nginx: src/core/ngx_thread

annotate src/core/ngx_thread_pool.c @ 6026:25fda43e3bcb

Thread pools: fixed the waiting tasks accounting. Behave like POSIX semaphores. If N worker threads are waiting for tasks, at least that number of tasks should be allowed to be put into the queue.

author	Ruslan Ermilov <ru@nginx.com>
date	Thu, 19 Mar 2015 13:00:48 +0300
parents	32099b107191
children	67717d4e4f47

rev	line source
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	1
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	2 /*
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	3 * Copyright (C) Nginx, Inc.
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	4 * Copyright (C) Valentin V. Bartenev
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	5 * Copyright (C) Ruslan Ermilov
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	6 */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	7
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	8
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	9 #include <ngx_config.h>
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	10 #include <ngx_core.h>
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	11 #include <ngx_thread_pool.h>
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	12
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	13
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	14 typedef struct {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	15 ngx_array_t pools;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	16 } ngx_thread_pool_conf_t;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	17
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	18
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	19 typedef struct {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	20 ngx_thread_mutex_t mtx;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	21 ngx_thread_task_t *first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	22 ngx_thread_task_t **last;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	23 } ngx_thread_pool_queue_t;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	24
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	25
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	26 struct ngx_thread_pool_s {
6025 32099b107191 Thread pools: keep waiting tasks counter in ngx_thread_pool_t. Ruslan Ermilov <ru@nginx.com> parents: 6018 diff changeset	27 ngx_thread_pool_queue_t queue;
6026 25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	28 ngx_int_t waiting;
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	29 ngx_thread_cond_t cond;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	30
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	31 ngx_log_t *log;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	32 ngx_pool_t *pool;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	33
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	34 ngx_str_t name;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	35 ngx_uint_t threads;
6026 25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	36 ngx_int_t max_queue;
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	37
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	38 u_char *file;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	39 ngx_uint_t line;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	40 };
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	41
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	42
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	43 static ngx_int_t ngx_thread_pool_init(ngx_thread_pool_t tp, ngx_log_t log,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	44 ngx_pool_t *pool);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	45 static ngx_int_t ngx_thread_pool_queue_init(ngx_thread_pool_queue_t *queue,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	46 ngx_log_t *log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	47 static ngx_int_t ngx_thread_pool_queue_destroy(ngx_thread_pool_queue_t *queue,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	48 ngx_log_t *log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	49 static void ngx_thread_pool_destroy(ngx_thread_pool_t *tp);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	50
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	51 static void ngx_thread_pool_cycle(void data);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	52 static void ngx_thread_pool_handler(ngx_event_t *ev);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	53
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	54 static char ngx_thread_pool(ngx_conf_t cf, ngx_command_t cmd, void conf);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	55
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	56 static void ngx_thread_pool_create_conf(ngx_cycle_t cycle);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	57 static char ngx_thread_pool_init_conf(ngx_cycle_t cycle, void *conf);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	58
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	59 static ngx_int_t ngx_thread_pool_init_worker(ngx_cycle_t *cycle);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	60 static void ngx_thread_pool_exit_worker(ngx_cycle_t *cycle);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	61
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	62
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	63 static ngx_command_t ngx_thread_pool_commands[] = {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	64
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	65 { ngx_string("thread_pool"),
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	66 NGX_MAIN_CONF\|NGX_DIRECT_CONF\|NGX_CONF_TAKE23,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	67 ngx_thread_pool,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	68 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	69 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	70 NULL },
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	71
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	72 ngx_null_command
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	73 };
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	74
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	75
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	76 static ngx_core_module_t ngx_thread_pool_module_ctx = {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	77 ngx_string("thread_pool"),
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	78 ngx_thread_pool_create_conf,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	79 ngx_thread_pool_init_conf
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	80 };
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	81
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	82
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	83 ngx_module_t ngx_thread_pool_module = {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	84 NGX_MODULE_V1,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	85 &ngx_thread_pool_module_ctx, /* module context */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	86 ngx_thread_pool_commands, /* module directives */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	87 NGX_CORE_MODULE, /* module type */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	88 NULL, /* init master */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	89 NULL, /* init module */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	90 ngx_thread_pool_init_worker, /* init process */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	91 NULL, /* init thread */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	92 NULL, /* exit thread */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	93 ngx_thread_pool_exit_worker, /* exit process */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	94 NULL, /* exit master */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	95 NGX_MODULE_V1_PADDING
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	96 };
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	97
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	98
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	99 static ngx_str_t ngx_thread_pool_default = ngx_string("default");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	100
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	101 static ngx_uint_t ngx_thread_pool_task_id;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	102 static ngx_thread_pool_queue_t ngx_thread_pool_done;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	103
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	104
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	105 static ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	106 ngx_thread_pool_init(ngx_thread_pool_t tp, ngx_log_t log, ngx_pool_t *pool)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	107 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	108 int err;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	109 pthread_t tid;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	110 ngx_uint_t n;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	111 pthread_attr_t attr;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	112
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	113 if (ngx_notify == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	114 ngx_log_error(NGX_LOG_ALERT, log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	115 "the configured event method cannot be used with thread pools");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	116 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	117 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	118
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	119 if (ngx_thread_pool_queue_init(&tp->queue, log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	120 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	121 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	122
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	123 if (ngx_thread_cond_create(&tp->cond, log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	124 (void) ngx_thread_pool_queue_destroy(&tp->queue, log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	125 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	126 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	127
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	128 tp->log = log;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	129 tp->pool = pool;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	130
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	131 err = pthread_attr_init(&attr);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	132 if (err) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	133 ngx_log_error(NGX_LOG_ALERT, log, err,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	134 "pthread_attr_init() failed");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	135 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	136 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	137
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	138 #if 0
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	139 err = pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	140 if (err) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	141 ngx_log_error(NGX_LOG_ALERT, log, err,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	142 "pthread_attr_setstacksize() failed");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	143 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	144 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	145 #endif
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	146
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	147 for (n = 0; n < tp->threads; n++) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	148 err = pthread_create(&tid, &attr, ngx_thread_pool_cycle, tp);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	149 if (err) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	150 ngx_log_error(NGX_LOG_ALERT, log, err,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	151 "pthread_create() failed");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	152 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	153 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	154 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	155
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	156 (void) pthread_attr_destroy(&attr);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	157
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	158 return NGX_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	159 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	160
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	161
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	162 static ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	163 ngx_thread_pool_queue_init(ngx_thread_pool_queue_t queue, ngx_log_t log)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	164 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	165 queue->first = NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	166 queue->last = &queue->first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	167
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	168 return ngx_thread_mutex_create(&queue->mtx, log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	169 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	170
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	171
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	172 static ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	173 ngx_thread_pool_queue_destroy(ngx_thread_pool_queue_t queue, ngx_log_t log)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	174 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	175 return ngx_thread_mutex_destroy(&queue->mtx, log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	176 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	177
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	178
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	179 static void
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	180 ngx_thread_pool_destroy(ngx_thread_pool_t *tp)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	181 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	182 /* TODO: exit threads */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	183
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	184 (void) ngx_thread_cond_destroy(&tp->cond, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	185 (void) ngx_thread_pool_queue_destroy(&tp->queue, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	186 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	187
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	188
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	189 ngx_thread_task_t *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	190 ngx_thread_task_alloc(ngx_pool_t *pool, size_t size)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	191 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	192 ngx_thread_task_t *task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	193
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	194 task = ngx_pcalloc(pool, sizeof(ngx_thread_task_t) + size);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	195 if (task == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	196 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	197 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	198
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	199 task->ctx = task + 1;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	200
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	201 return task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	202 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	203
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	204
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	205 ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	206 ngx_thread_task_post(ngx_thread_pool_t tp, ngx_thread_task_t task)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	207 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	208 if (task->event.active) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	209 ngx_log_error(NGX_LOG_ALERT, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	210 "task #%ui already active", task->id);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	211 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	212 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	213
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	214 if (ngx_thread_mutex_lock(&tp->queue.mtx, tp->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	215 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	216 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	217
6025 32099b107191 Thread pools: keep waiting tasks counter in ngx_thread_pool_t. Ruslan Ermilov <ru@nginx.com> parents: 6018 diff changeset	218 if (tp->waiting >= tp->max_queue) {
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	219 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	220
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	221 ngx_log_error(NGX_LOG_ERR, tp->log, 0,
6026 25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	222 "thread pool \"%V\" queue overflow: %i tasks waiting",
6025 32099b107191 Thread pools: keep waiting tasks counter in ngx_thread_pool_t. Ruslan Ermilov <ru@nginx.com> parents: 6018 diff changeset	223 &tp->name, tp->waiting);
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	224 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	225 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	226
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	227 task->event.active = 1;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	228
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	229 task->id = ngx_thread_pool_task_id++;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	230 task->next = NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	231
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	232 if (ngx_thread_cond_signal(&tp->cond, tp->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	233 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	234 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	235 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	236
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	237 *tp->queue.last = task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	238 tp->queue.last = &task->next;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	239
6025 32099b107191 Thread pools: keep waiting tasks counter in ngx_thread_pool_t. Ruslan Ermilov <ru@nginx.com> parents: 6018 diff changeset	240 tp->waiting++;
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	241
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	242 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	243
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	244 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	245 "task #%ui added to thread pool \"%V\"",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	246 task->id, &tp->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	247
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	248 return NGX_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	249 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	250
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	251
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	252 static void *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	253 ngx_thread_pool_cycle(void *data)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	254 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	255 ngx_thread_pool_t *tp = data;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	256
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	257 int err;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	258 sigset_t set;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	259 ngx_thread_task_t *task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	260
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	261 #if 0
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	262 ngx_time_update();
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	263 #endif
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	264
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	265 ngx_log_debug1(NGX_LOG_DEBUG_CORE, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	266 "thread in pool \"%V\" started", &tp->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	267
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	268 sigfillset(&set);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	269
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	270 sigdelset(&set, SIGILL);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	271 sigdelset(&set, SIGFPE);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	272 sigdelset(&set, SIGSEGV);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	273 sigdelset(&set, SIGBUS);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	274
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	275 err = pthread_sigmask(SIG_BLOCK, &set, NULL);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	276 if (err) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	277 ngx_log_error(NGX_LOG_ALERT, tp->log, err, "pthread_sigmask() failed");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	278 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	279 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	280
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	281 for ( ;; ) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	282 if (ngx_thread_mutex_lock(&tp->queue.mtx, tp->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	283 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	284 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	285
6026 25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	286 /* the number may become negative */
25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	287 tp->waiting--;
25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	288
25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	289 while (tp->queue.first == NULL) {
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	290 if (ngx_thread_cond_wait(&tp->cond, &tp->queue.mtx, tp->log)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	291 != NGX_OK)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	292 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	293 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	294 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	295 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	296 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	297
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	298 task = tp->queue.first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	299 tp->queue.first = task->next;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	300
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	301 if (tp->queue.first == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	302 tp->queue.last = &tp->queue.first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	303 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	304
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	305 if (ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	306 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	307 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	308
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	309 #if 0
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	310 ngx_time_update();
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	311 #endif
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	312
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	313 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	314 "run task #%ui in thread pool \"%V\"",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	315 task->id, &tp->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	316
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	317 task->handler(task->ctx, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	318
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	319 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	320 "complete task #%ui in thread pool \"%V\"",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	321 task->id, &tp->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	322
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	323 task->next = NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	324
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	325 if (ngx_thread_mutex_lock(&ngx_thread_pool_done.mtx, tp->log)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	326 != NGX_OK)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	327 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	328 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	329 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	330
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	331 *ngx_thread_pool_done.last = task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	332 ngx_thread_pool_done.last = &task->next;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	333
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	334 if (ngx_thread_mutex_unlock(&ngx_thread_pool_done.mtx, tp->log)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	335 != NGX_OK)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	336 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	337 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	338 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	339
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	340 (void) ngx_notify(ngx_thread_pool_handler);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	341 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	342 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	343
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	344
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	345 static void
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	346 ngx_thread_pool_handler(ngx_event_t *ev)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	347 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	348 ngx_event_t *event;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	349 ngx_thread_task_t *task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	350
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	351 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "thread pool handler");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	352
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	353 if (ngx_thread_mutex_lock(&ngx_thread_pool_done.mtx, ev->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	354 return;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	355 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	356
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	357 task = ngx_thread_pool_done.first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	358 ngx_thread_pool_done.first = NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	359 ngx_thread_pool_done.last = &ngx_thread_pool_done.first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	360
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	361 if (ngx_thread_mutex_unlock(&ngx_thread_pool_done.mtx, ev->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	362 return;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	363 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	364
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	365 while (task) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	366 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	367 "run completion handler for task #%ui", task->id);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	368
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	369 event = &task->event;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	370 task = task->next;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	371
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	372 event->complete = 1;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	373 event->active = 0;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	374
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	375 event->handler(event);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	376 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	377 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	378
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	379
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	380 static void *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	381 ngx_thread_pool_create_conf(ngx_cycle_t *cycle)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	382 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	383 ngx_thread_pool_conf_t *tcf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	384
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	385 tcf = ngx_pcalloc(cycle->pool, sizeof(ngx_thread_pool_conf_t));
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	386 if (tcf == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	387 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	388 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	389
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	390 if (ngx_array_init(&tcf->pools, cycle->pool, 4,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	391 sizeof(ngx_thread_pool_t *))
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	392 != NGX_OK)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	393 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	394 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	395 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	396
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	397 return tcf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	398 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	399
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	400
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	401 static char *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	402 ngx_thread_pool_init_conf(ngx_cycle_t cycle, void conf)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	403 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	404 ngx_thread_pool_conf_t *tcf = conf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	405
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	406 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	407 ngx_thread_pool_t **tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	408
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	409 tpp = tcf->pools.elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	410
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	411 for (i = 0; i < tcf->pools.nelts; i++) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	412
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	413 if (tpp[i]->threads) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	414 continue;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	415 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	416
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	417 if (tpp[i]->name.len == ngx_thread_pool_default.len
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	418 && ngx_strncmp(tpp[i]->name.data, ngx_thread_pool_default.data,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	419 ngx_thread_pool_default.len)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	420 == 0)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	421 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	422 tpp[i]->threads = 32;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	423 tpp[i]->max_queue = 65536;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	424 continue;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	425 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	426
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	427 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	428 "unknown thread pool \"%V\" in %s:%ui",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	429 &tpp[i]->name, tpp[i]->file, tpp[i]->line);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	430
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	431 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	432 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	433
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	434 return NGX_CONF_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	435 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	436
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	437
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	438 static char *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	439 ngx_thread_pool(ngx_conf_t cf, ngx_command_t cmd, void *conf)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	440 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	441 ngx_str_t *value;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	442 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	443 ngx_thread_pool_t *tp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	444
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	445 value = cf->args->elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	446
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	447 tp = ngx_thread_pool_add(cf, &value[1]);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	448
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	449 if (tp == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	450 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	451 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	452
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	453 if (tp->threads) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	454 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	455 "duplicate thread pool \"%V\"", &tp->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	456 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	457 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	458
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	459 tp->max_queue = 65536;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	460
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	461 for (i = 2; i < cf->args->nelts; i++) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	462
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	463 if (ngx_strncmp(value[i].data, "threads=", 8) == 0) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	464
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	465 tp->threads = ngx_atoi(value[i].data + 8, value[i].len - 8);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	466
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	467 if (tp->threads == (ngx_uint_t) NGX_ERROR \|\| tp->threads == 0) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	468 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	469 "invalid threads value \"%V\"", &value[i]);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	470 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	471 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	472
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	473 continue;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	474 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	475
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	476 if (ngx_strncmp(value[i].data, "max_queue=", 10) == 0) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	477
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	478 tp->max_queue = ngx_atoi(value[i].data + 10, value[i].len - 10);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	479
6026 25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	480 if (tp->max_queue == NGX_ERROR) {
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	481 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	482 "invalid max_queue value \"%V\"", &value[i]);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	483 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	484 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	485
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	486 continue;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	487 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	488 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	489
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	490 if (tp->threads == 0) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	491 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	492 "\"%V\" must have \"threads\" parameter",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	493 &cmd->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	494 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	495 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	496
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	497 return NGX_CONF_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	498 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	499
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	500
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	501 ngx_thread_pool_t *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	502 ngx_thread_pool_add(ngx_conf_t cf, ngx_str_t name)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	503 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	504 ngx_thread_pool_t tp, *tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	505 ngx_thread_pool_conf_t *tcf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	506
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	507 if (name == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	508 name = &ngx_thread_pool_default;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	509 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	510
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	511 tp = ngx_thread_pool_get(cf->cycle, name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	512
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	513 if (tp) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	514 return tp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	515 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	516
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	517 tp = ngx_pcalloc(cf->pool, sizeof(ngx_thread_pool_t));
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	518 if (tp == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	519 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	520 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	521
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	522 tp->name = *name;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	523 tp->file = cf->conf_file->file.name.data;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	524 tp->line = cf->conf_file->line;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	525
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	526 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cf->cycle->conf_ctx,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	527 ngx_thread_pool_module);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	528
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	529 tpp = ngx_array_push(&tcf->pools);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	530 if (tpp == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	531 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	532 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	533
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	534 *tpp = tp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	535
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	536 return tp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	537 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	538
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	539
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	540 ngx_thread_pool_t *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	541 ngx_thread_pool_get(ngx_cycle_t cycle, ngx_str_t name)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	542 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	543 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	544 ngx_thread_pool_t **tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	545 ngx_thread_pool_conf_t *tcf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	546
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	547 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	548 ngx_thread_pool_module);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	549
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	550 tpp = tcf->pools.elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	551
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	552 for (i = 0; i < tcf->pools.nelts; i++) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	553
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	554 if (tpp[i]->name.len == name->len
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	555 && ngx_strncmp(tpp[i]->name.data, name->data, name->len) == 0)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	556 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	557 return tpp[i];
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	558 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	559 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	560
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	561 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	562 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	563
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	564
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	565 static ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	566 ngx_thread_pool_init_worker(ngx_cycle_t *cycle)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	567 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	568 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	569 ngx_thread_pool_t **tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	570 ngx_thread_pool_conf_t *tcf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	571
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	572 if (ngx_process != NGX_PROCESS_WORKER
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	573 && ngx_process != NGX_PROCESS_SINGLE)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	574 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	575 return NGX_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	576 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	577
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	578 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	579 ngx_thread_pool_module);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	580
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	581 if (tcf == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	582 return NGX_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	583 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	584
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	585 if (ngx_thread_pool_queue_init(&ngx_thread_pool_done, cycle->log)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	586 != NGX_OK)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	587 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	588 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	589 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	590
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	591 tpp = tcf->pools.elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	592
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	593 for (i = 0; i < tcf->pools.nelts; i++) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	594 if (ngx_thread_pool_init(tpp[i], cycle->log, cycle->pool) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	595 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	596 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	597 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	598
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	599 return NGX_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	600 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	601
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	602
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	603 static void
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	604 ngx_thread_pool_exit_worker(ngx_cycle_t *cycle)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	605 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	606 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	607 ngx_thread_pool_t **tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	608 ngx_thread_pool_conf_t *tcf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	609
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	610 if (ngx_process != NGX_PROCESS_WORKER
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	611 && ngx_process != NGX_PROCESS_SINGLE)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	612 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	613 return;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	614 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	615
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	616 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	617 ngx_thread_pool_module);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	618
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	619 if (tcf == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	620 return;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	621 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	622
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	623 tpp = tcf->pools.elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	624
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	625 for (i = 0; i < tcf->pools.nelts; i++) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	626 ngx_thread_pool_destroy(tpp[i]);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	627 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	628
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	629 (void) ngx_thread_pool_queue_destroy(&ngx_thread_pool_done, cycle->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	630 }

Mercurial > hg > nginx

annotate src/core/ngx_thread_pool.c @ 6026:25fda43e3bcb