nginx: src/core/ngx_thread

annotate src/core/ngx_thread_pool.c @ 6039:fc36690e7f44

Thread pools: replaced completed tasks queue mutex with spinlock.

author	Valentin Bartenev <vbart@nginx.com>
date	Mon, 23 Mar 2015 17:51:21 +0300
parents	67717d4e4f47
children	adaedab1e662

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;
6039 fc36690e7f44 Thread pools: replaced completed tasks queue mutex with spinlock. Valentin Bartenev <vbart@nginx.com> parents: 6027 diff changeset	102 static ngx_atomic_t ngx_thread_pool_done_lock;
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	103 static ngx_thread_pool_queue_t ngx_thread_pool_done;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	106 static ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	107 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	108 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	109 int err;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	110 pthread_t tid;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	111 ngx_uint_t n;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	112 pthread_attr_t attr;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	113
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	114 if (ngx_notify == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	115 ngx_log_error(NGX_LOG_ALERT, log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	116 "the configured event method cannot be used with thread pools");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	117 return NGX_ERROR;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	120 if (ngx_thread_pool_queue_init(&tp->queue, log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	121 return NGX_ERROR;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	124 if (ngx_thread_cond_create(&tp->cond, log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	125 (void) ngx_thread_pool_queue_destroy(&tp->queue, log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	126 return NGX_ERROR;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	129 tp->log = log;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	130 tp->pool = pool;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	131
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	132 err = pthread_attr_init(&attr);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	133 if (err) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	134 ngx_log_error(NGX_LOG_ALERT, log, err,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	135 "pthread_attr_init() failed");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	136 return NGX_ERROR;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	139 #if 0
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	140 err = pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	141 if (err) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	142 ngx_log_error(NGX_LOG_ALERT, log, err,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	143 "pthread_attr_setstacksize() failed");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	144 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	145 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	146 #endif
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	147
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	148 for (n = 0; n < tp->threads; n++) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	149 err = pthread_create(&tid, &attr, ngx_thread_pool_cycle, tp);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	150 if (err) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	151 ngx_log_error(NGX_LOG_ALERT, log, err,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	152 "pthread_create() failed");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	153 return NGX_ERROR;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	157 (void) pthread_attr_destroy(&attr);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	158
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	159 return NGX_OK;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	163 static ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	164 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	165 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	166 queue->first = NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	167 queue->last = &queue->first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	168
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	169 return ngx_thread_mutex_create(&queue->mtx, log);
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	173 static ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	174 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	175 {
6027 67717d4e4f47 Thread pools: silence warning on process exit. Ruslan Ermilov <ru@nginx.com> parents: 6026 diff changeset	176 #if 0
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	177 return ngx_thread_mutex_destroy(&queue->mtx, log);
6027 67717d4e4f47 Thread pools: silence warning on process exit. Ruslan Ermilov <ru@nginx.com> parents: 6026 diff changeset	178 #else
67717d4e4f47 Thread pools: silence warning on process exit. Ruslan Ermilov <ru@nginx.com> parents: 6026 diff changeset	179 return NGX_OK;
67717d4e4f47 Thread pools: silence warning on process exit. Ruslan Ermilov <ru@nginx.com> parents: 6026 diff changeset	180 #endif
6018 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
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 static void
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	185 ngx_thread_pool_destroy(ngx_thread_pool_t *tp)
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 /* TODO: exit threads */
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	188
6027 67717d4e4f47 Thread pools: silence warning on process exit. Ruslan Ermilov <ru@nginx.com> parents: 6026 diff changeset	189 #if 0
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	190 (void) ngx_thread_cond_destroy(&tp->cond, tp->log);
6027 67717d4e4f47 Thread pools: silence warning on process exit. Ruslan Ermilov <ru@nginx.com> parents: 6026 diff changeset	191 #endif
67717d4e4f47 Thread pools: silence warning on process exit. Ruslan Ermilov <ru@nginx.com> parents: 6026 diff changeset	192
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	193 (void) ngx_thread_pool_queue_destroy(&tp->queue, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	194 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	195
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	196
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	197 ngx_thread_task_t *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	198 ngx_thread_task_alloc(ngx_pool_t *pool, size_t size)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	199 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	200 ngx_thread_task_t *task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	201
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	202 task = ngx_pcalloc(pool, sizeof(ngx_thread_task_t) + size);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	203 if (task == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	204 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	205 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	206
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	207 task->ctx = task + 1;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	208
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	209 return task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	210 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	211
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 ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	214 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	215 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	216 if (task->event.active) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	217 ngx_log_error(NGX_LOG_ALERT, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	218 "task #%ui already active", task->id);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	219 return NGX_ERROR;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	222 if (ngx_thread_mutex_lock(&tp->queue.mtx, tp->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	223 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	224 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	225
6025 32099b107191 Thread pools: keep waiting tasks counter in ngx_thread_pool_t. Ruslan Ermilov <ru@nginx.com> parents: 6018 diff changeset	226 if (tp->waiting >= tp->max_queue) {
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	227 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log);
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 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	230 "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	231 &tp->name, tp->waiting);
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	232 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	233 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	234
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	235 task->event.active = 1;
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 task->id = ngx_thread_pool_task_id++;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	238 task->next = NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	239
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	240 if (ngx_thread_cond_signal(&tp->cond, tp->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	241 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	242 return NGX_ERROR;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	245 *tp->queue.last = task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	246 tp->queue.last = &task->next;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	247
6025 32099b107191 Thread pools: keep waiting tasks counter in ngx_thread_pool_t. Ruslan Ermilov <ru@nginx.com> parents: 6018 diff changeset	248 tp->waiting++;
6018 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 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log);
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 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	253 "task #%ui added to thread pool \"%V\"",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	254 task->id, &tp->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	255
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	256 return NGX_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	257 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	258
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	259
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	260 static void *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	261 ngx_thread_pool_cycle(void *data)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	262 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	263 ngx_thread_pool_t *tp = data;
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 int err;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	266 sigset_t set;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	267 ngx_thread_task_t *task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	268
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	269 #if 0
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	270 ngx_time_update();
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	271 #endif
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	272
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	273 ngx_log_debug1(NGX_LOG_DEBUG_CORE, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	274 "thread in pool \"%V\" started", &tp->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	275
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	276 sigfillset(&set);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	277
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	278 sigdelset(&set, SIGILL);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	279 sigdelset(&set, SIGFPE);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	280 sigdelset(&set, SIGSEGV);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	281 sigdelset(&set, SIGBUS);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	282
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	283 err = pthread_sigmask(SIG_BLOCK, &set, NULL);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	284 if (err) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	285 ngx_log_error(NGX_LOG_ALERT, tp->log, err, "pthread_sigmask() failed");
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	286 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	287 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	288
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	289 for ( ;; ) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	290 if (ngx_thread_mutex_lock(&tp->queue.mtx, tp->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	291 return NULL;
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
6026 25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	294 /* the number may become negative */
25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	295 tp->waiting--;
25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	296
25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	297 while (tp->queue.first == NULL) {
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	298 if (ngx_thread_cond_wait(&tp->cond, &tp->queue.mtx, tp->log)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	299 != NGX_OK)
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 (void) ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	302 return NULL;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	306 task = tp->queue.first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	307 tp->queue.first = task->next;
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 (tp->queue.first == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	310 tp->queue.last = &tp->queue.first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	311 }
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 if (ngx_thread_mutex_unlock(&tp->queue.mtx, tp->log) != NGX_OK) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	314 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	315 }
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 #if 0
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	318 ngx_time_update();
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	319 #endif
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	320
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	321 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	322 "run task #%ui in thread pool \"%V\"",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	323 task->id, &tp->name);
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 task->handler(task->ctx, tp->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	326
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	327 ngx_log_debug2(NGX_LOG_DEBUG_CORE, tp->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	328 "complete task #%ui in thread pool \"%V\"",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	329 task->id, &tp->name);
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 task->next = NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	332
6039 fc36690e7f44 Thread pools: replaced completed tasks queue mutex with spinlock. Valentin Bartenev <vbart@nginx.com> parents: 6027 diff changeset	333 ngx_spinlock(&ngx_thread_pool_done_lock, 1, 2048);
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	334
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	335 *ngx_thread_pool_done.last = task;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	336 ngx_thread_pool_done.last = &task->next;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	337
6039 fc36690e7f44 Thread pools: replaced completed tasks queue mutex with spinlock. Valentin Bartenev <vbart@nginx.com> parents: 6027 diff changeset	338 ngx_unlock(&ngx_thread_pool_done_lock);
6018 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
6039 fc36690e7f44 Thread pools: replaced completed tasks queue mutex with spinlock. Valentin Bartenev <vbart@nginx.com> parents: 6027 diff changeset	353 ngx_spinlock(&ngx_thread_pool_done_lock, 1, 2048);
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	354
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	355 task = ngx_thread_pool_done.first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	356 ngx_thread_pool_done.first = NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	357 ngx_thread_pool_done.last = &ngx_thread_pool_done.first;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	358
6039 fc36690e7f44 Thread pools: replaced completed tasks queue mutex with spinlock. Valentin Bartenev <vbart@nginx.com> parents: 6027 diff changeset	359 ngx_unlock(&ngx_thread_pool_done_lock);
6018 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 while (task) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	362 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	363 "run completion handler for task #%ui", task->id);
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 event = &task->event;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	366 task = task->next;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	367
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	368 event->complete = 1;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	369 event->active = 0;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	370
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	371 event->handler(event);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	372 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	373 }
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	376 static void *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	377 ngx_thread_pool_create_conf(ngx_cycle_t *cycle)
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 ngx_thread_pool_conf_t *tcf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	380
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	381 tcf = ngx_pcalloc(cycle->pool, sizeof(ngx_thread_pool_conf_t));
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	382 if (tcf == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	383 return NULL;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	386 if (ngx_array_init(&tcf->pools, cycle->pool, 4,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	387 sizeof(ngx_thread_pool_t *))
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	388 != NGX_OK)
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 return NULL;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	391 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	392
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	393 return tcf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	394 }
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 static char *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	398 ngx_thread_pool_init_conf(ngx_cycle_t cycle, void conf)
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 ngx_thread_pool_conf_t *tcf = conf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	401
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	402 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	403 ngx_thread_pool_t **tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	404
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	405 tpp = tcf->pools.elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	406
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	407 for (i = 0; i < tcf->pools.nelts; i++) {
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 if (tpp[i]->threads) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	410 continue;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	411 }
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]->name.len == ngx_thread_pool_default.len
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	414 && ngx_strncmp(tpp[i]->name.data, ngx_thread_pool_default.data,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	415 ngx_thread_pool_default.len)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	416 == 0)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	417 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	418 tpp[i]->threads = 32;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	419 tpp[i]->max_queue = 65536;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	420 continue;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	423 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	424 "unknown thread pool \"%V\" in %s:%ui",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	425 &tpp[i]->name, tpp[i]->file, tpp[i]->line);
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 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	428 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	429
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	430 return NGX_CONF_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	431 }
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 static char *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	435 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	436 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	437 ngx_str_t *value;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	438 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	439 ngx_thread_pool_t *tp;
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 value = cf->args->elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	442
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	443 tp = ngx_thread_pool_add(cf, &value[1]);
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 if (tp == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	446 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	447 }
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->threads) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	450 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	451 "duplicate thread pool \"%V\"", &tp->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	452 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	453 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	454
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	455 tp->max_queue = 65536;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	456
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	457 for (i = 2; i < cf->args->nelts; i++) {
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 if (ngx_strncmp(value[i].data, "threads=", 8) == 0) {
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 tp->threads = ngx_atoi(value[i].data + 8, value[i].len - 8);
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 (tp->threads == (ngx_uint_t) NGX_ERROR \|\| tp->threads == 0) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	464 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	465 "invalid threads value \"%V\"", &value[i]);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	466 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	467 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	468
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	469 continue;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	470 }
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 if (ngx_strncmp(value[i].data, "max_queue=", 10) == 0) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	473
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	474 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	475
6026 25fda43e3bcb Thread pools: fixed the waiting tasks accounting. Ruslan Ermilov <ru@nginx.com> parents: 6025 diff changeset	476 if (tp->max_queue == NGX_ERROR) {
6018 466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	477 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	478 "invalid max_queue value \"%V\"", &value[i]);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	479 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	480 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	481
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	482 continue;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	483 }
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 if (tp->threads == 0) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	487 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	488 "\"%V\" must have \"threads\" parameter",
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	489 &cmd->name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	490 return NGX_CONF_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	491 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	492
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	493 return NGX_CONF_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	494 }
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 ngx_thread_pool_t *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	498 ngx_thread_pool_add(ngx_conf_t cf, ngx_str_t name)
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 ngx_thread_pool_t tp, *tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	501 ngx_thread_pool_conf_t *tcf;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	502
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	503 if (name == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	504 name = &ngx_thread_pool_default;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	505 }
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 tp = ngx_thread_pool_get(cf->cycle, name);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	508
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	509 if (tp) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	510 return tp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	511 }
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 tp = ngx_pcalloc(cf->pool, sizeof(ngx_thread_pool_t));
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	514 if (tp == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	515 return NULL;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	518 tp->name = *name;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	519 tp->file = cf->conf_file->file.name.data;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	520 tp->line = cf->conf_file->line;
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 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	523 ngx_thread_pool_module);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	524
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	525 tpp = ngx_array_push(&tcf->pools);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	526 if (tpp == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	527 return NULL;
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
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	530 *tpp = tp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	531
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	532 return tp;
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
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 ngx_thread_pool_t *
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	537 ngx_thread_pool_get(ngx_cycle_t cycle, ngx_str_t name)
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 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	540 ngx_thread_pool_t **tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	541 ngx_thread_pool_conf_t *tcf;
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 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	544 ngx_thread_pool_module);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	545
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	546 tpp = tcf->pools.elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	547
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	548 for (i = 0; i < tcf->pools.nelts; i++) {
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 if (tpp[i]->name.len == name->len
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	551 && ngx_strncmp(tpp[i]->name.data, name->data, name->len) == 0)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	552 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	553 return tpp[i];
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	554 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	555 }
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 NULL;
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 static ngx_int_t
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	562 ngx_thread_pool_init_worker(ngx_cycle_t *cycle)
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 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	565 ngx_thread_pool_t **tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	566 ngx_thread_pool_conf_t *tcf;
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 if (ngx_process != NGX_PROCESS_WORKER
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	569 && ngx_process != NGX_PROCESS_SINGLE)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	570 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	571 return NGX_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	572 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	573
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	574 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	575 ngx_thread_pool_module);
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 if (tcf == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	578 return NGX_OK;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	579 }
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 (ngx_thread_pool_queue_init(&ngx_thread_pool_done, cycle->log)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	582 != 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 return NGX_ERROR;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	585 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	586
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	587 tpp = tcf->pools.elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	588
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	589 for (i = 0; i < tcf->pools.nelts; i++) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	590 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	591 return NGX_ERROR;
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 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	594
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	595 return NGX_OK;
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 static void
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	600 ngx_thread_pool_exit_worker(ngx_cycle_t *cycle)
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 ngx_uint_t i;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	603 ngx_thread_pool_t **tpp;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	604 ngx_thread_pool_conf_t *tcf;
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 if (ngx_process != NGX_PROCESS_WORKER
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	607 && ngx_process != NGX_PROCESS_SINGLE)
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	608 {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	609 return;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	610 }
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	611
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	612 tcf = (ngx_thread_pool_conf_t *) ngx_get_conf(cycle->conf_ctx,
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	613 ngx_thread_pool_module);
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 if (tcf == NULL) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	616 return;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	617 }
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 tpp = tcf->pools.elts;
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	620
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	621 for (i = 0; i < tcf->pools.nelts; i++) {
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	622 ngx_thread_pool_destroy(tpp[i]);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	623 }
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 (void) ngx_thread_pool_queue_destroy(&ngx_thread_pool_done, cycle->log);
466bd63b63d1 Thread pools implementation. Valentin Bartenev <vbart@nginx.com> parents: diff changeset	626 }

Mercurial > hg > nginx

annotate src/core/ngx_thread_pool.c @ 6039:fc36690e7f44