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annotate src/event/modules/ngx_devpoll_module.c @ 6018:466bd63b63d1

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Thread pools implementation.
author Valentin Bartenev <vbart@nginx.com>
date Sat, 14 Mar 2015 17:37:07 +0300
parents 3f5f0ab59b35
children 4652f8f26b12
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
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1
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c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
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4 * Copyright (C) Nginx, Inc.
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c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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5 */
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6
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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7
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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8 #include <ngx_config.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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9 #include <ngx_core.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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10 #include <ngx_event.h>
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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12
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2ff194b74f1e nginx-0.1.9-RELEASE import
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13 #if (NGX_TEST_BUILD_DEVPOLL)
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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14
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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15 /* Solaris declarations */
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16
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17 #define POLLREMOVE 0x0800
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18 #define DP_POLL 0xD001
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19 #define DP_ISPOLLED 0xD002
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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20
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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21 struct dvpoll {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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22 struct pollfd *dp_fds;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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23 int dp_nfds;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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24 int dp_timeout;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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25 };
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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26
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27 #endif
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28
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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30 typedef struct {
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31 ngx_uint_t changes;
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32 ngx_uint_t events;
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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33 } ngx_devpoll_conf_t;
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35
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36 static ngx_int_t ngx_devpoll_init(ngx_cycle_t *cycle, ngx_msec_t timer);
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37 static void ngx_devpoll_done(ngx_cycle_t *cycle);
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38 static ngx_int_t ngx_devpoll_add_event(ngx_event_t *ev, ngx_int_t event,
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39 ngx_uint_t flags);
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40 static ngx_int_t ngx_devpoll_del_event(ngx_event_t *ev, ngx_int_t event,
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41 ngx_uint_t flags);
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42 static ngx_int_t ngx_devpoll_set_event(ngx_event_t *ev, ngx_int_t event,
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43 ngx_uint_t flags);
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44 static ngx_int_t ngx_devpoll_process_events(ngx_cycle_t *cycle,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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45 ngx_msec_t timer, ngx_uint_t flags);
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46
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be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
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47 static void *ngx_devpoll_create_conf(ngx_cycle_t *cycle);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
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48 static char *ngx_devpoll_init_conf(ngx_cycle_t *cycle, void *conf);
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83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
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49
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8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
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50 static int dp = -1;
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51 static struct pollfd *change_list, *event_list;
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52 static ngx_uint_t nchanges, max_changes, nevents;
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53
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
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54 static ngx_event_t **change_index;
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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57 static ngx_str_t devpoll_name = ngx_string("/dev/poll");
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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58
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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59 static ngx_command_t ngx_devpoll_commands[] = {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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60
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61 { ngx_string("devpoll_changes"),
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62 NGX_EVENT_CONF|NGX_CONF_TAKE1,
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63 ngx_conf_set_num_slot,
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64 0,
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65 offsetof(ngx_devpoll_conf_t, changes),
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66 NULL },
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67
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68 { ngx_string("devpoll_events"),
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69 NGX_EVENT_CONF|NGX_CONF_TAKE1,
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70 ngx_conf_set_num_slot,
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71 0,
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72 offsetof(ngx_devpoll_conf_t, events),
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73 NULL },
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74
499
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75 ngx_null_command
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76 };
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c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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78
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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79 ngx_event_module_t ngx_devpoll_module_ctx = {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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80 &devpoll_name,
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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81 ngx_devpoll_create_conf, /* create configuration */
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82 ngx_devpoll_init_conf, /* init configuration */
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83
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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84 {
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85 ngx_devpoll_add_event, /* add an event */
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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86 ngx_devpoll_del_event, /* delete an event */
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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87 ngx_devpoll_add_event, /* enable an event */
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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88 ngx_devpoll_del_event, /* disable an event */
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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89 NULL, /* add an connection */
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90 NULL, /* delete an connection */
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466bd63b63d1 Thread pools implementation.
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91 NULL, /* trigger a notify */
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5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
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92 NULL, /* process the changes */
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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93 ngx_devpoll_process_events, /* process the events */
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94 ngx_devpoll_init, /* init the events */
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95 ngx_devpoll_done, /* done the events */
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96 }
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97
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98 };
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99
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100 ngx_module_t ngx_devpoll_module = {
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9b8c906f6e63 nginx-0.1.29-RELEASE import
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101 NGX_MODULE_V1,
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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102 &ngx_devpoll_module_ctx, /* module context */
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103 ngx_devpoll_commands, /* module directives */
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
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104 NGX_EVENT_MODULE, /* module type */
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105 NULL, /* init master */
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106 NULL, /* init module */
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107 NULL, /* init process */
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108 NULL, /* init thread */
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109 NULL, /* exit thread */
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110 NULL, /* exit process */
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111 NULL, /* exit master */
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112 NGX_MODULE_V1_PADDING
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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113 };
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114
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115
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116 static ngx_int_t
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117 ngx_devpoll_init(ngx_cycle_t *cycle, ngx_msec_t timer)
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118 {
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2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import
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119 size_t n;
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120 ngx_devpoll_conf_t *dpcf;
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121
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
122 dpcf = ngx_event_get_conf(cycle->conf_ctx, ngx_devpoll_module);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
123
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
124 if (dp == -1) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
125 dp = open("/dev/poll", O_RDWR);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
126
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
127 if (dp == -1) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
128 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
129 "open(/dev/poll) failed");
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
130 return NGX_ERROR;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
131 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
132 }
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
133
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
134 if (max_changes < dpcf->changes) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
135 if (nchanges) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
136 n = nchanges * sizeof(struct pollfd);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
137 if (write(dp, change_list, n) != (ssize_t) n) {
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
138 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
139 "write(/dev/poll) failed");
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
140 return NGX_ERROR;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
141 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
142
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
143 nchanges = 0;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
144 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
145
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
146 if (change_list) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
147 ngx_free(change_list);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
148 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
149
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
150 change_list = ngx_alloc(sizeof(struct pollfd) * dpcf->changes,
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
151 cycle->log);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
152 if (change_list == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
153 return NGX_ERROR;
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
154 }
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
155
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
156 if (change_index) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
157 ngx_free(change_index);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
158 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
159
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
160 change_index = ngx_alloc(sizeof(ngx_event_t *) * dpcf->changes,
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
161 cycle->log);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
162 if (change_index == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
163 return NGX_ERROR;
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
164 }
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
165 }
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
166
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
167 max_changes = dpcf->changes;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
168
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
169 if (nevents < dpcf->events) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
170 if (event_list) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
171 ngx_free(event_list);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
172 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
174 event_list = ngx_alloc(sizeof(struct pollfd) * dpcf->events,
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
175 cycle->log);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
176 if (event_list == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
177 return NGX_ERROR;
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
178 }
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
179 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
181 nevents = dpcf->events;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
182
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
183 ngx_io = ngx_os_io;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
185 ngx_event_actions = ngx_devpoll_module_ctx.actions;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
186
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
187 ngx_event_flags = NGX_USE_LEVEL_EVENT|NGX_USE_FD_EVENT;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
193 static void
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
194 ngx_devpoll_done(ngx_cycle_t *cycle)
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
195 {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
196 if (close(dp) == -1) {
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
197 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
198 "close(/dev/poll) failed");
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
199 }
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
200
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
201 dp = -1;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
202
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
203 ngx_free(change_list);
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
204 ngx_free(event_list);
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
205 ngx_free(change_index);
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
206
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
207 change_list = NULL;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
208 event_list = NULL;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
209 change_index = NULL;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
210 max_changes = 0;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
211 nchanges = 0;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
212 nevents = 0;
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
213 }
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
214
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
215
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
216 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
217 ngx_devpoll_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218 {
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
219 #if (NGX_DEBUG)
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
220 ngx_connection_t *c;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
221 #endif
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
222
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
223 #if (NGX_READ_EVENT != POLLIN)
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
224 event = (event == NGX_READ_EVENT) ? POLLIN : POLLOUT;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
225 #endif
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
226
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
227 #if (NGX_DEBUG)
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
228 c = ev->data;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
229 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
230 "devpoll add event: fd:%d ev:%04Xi", c->fd, event);
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
231 #endif
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
232
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
233 ev->active = 1;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
234
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
235 return ngx_devpoll_set_event(ev, event, 0);
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
236 }
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
237
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
238
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
239 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
240 ngx_devpoll_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
241 {
109
a9bc21d63fe4 nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
242 ngx_event_t *e;
a9bc21d63fe4 nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
243 ngx_connection_t *c;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244
110
152567c11325 nginx-0.0.1-2003-07-02-22:51:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 109
diff changeset
245 c = ev->data;
152567c11325 nginx-0.0.1-2003-07-02-22:51:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 109
diff changeset
246
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
247 #if (NGX_READ_EVENT != POLLIN)
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
248 event = (event == NGX_READ_EVENT) ? POLLIN : POLLOUT;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
249 #endif
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
250
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
251 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
252 "devpoll del event: fd:%d ev:%04Xi", c->fd, event);
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
253
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
254 if (ngx_devpoll_set_event(ev, POLLREMOVE, flags) == NGX_ERROR) {
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
255 return NGX_ERROR;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
256 }
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
257
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
258 ev->active = 0;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
259
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
260 if (flags & NGX_CLOSE_EVENT) {
1431
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
261 e = (event == POLLIN) ? c->write : c->read;
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
262
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
263 if (e) {
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
264 e->active = 0;
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
265 }
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
266
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
267 return NGX_OK;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
268 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
269
1432
f53e88c49563 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 1431
diff changeset
270 /* restore the pair event if it exists */
109
a9bc21d63fe4 nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
271
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
272 if (event == POLLIN) {
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
273 e = c->write;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
274 event = POLLOUT;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
275
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
276 } else {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
277 e = c->read;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
278 event = POLLIN;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
279 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
280
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
281 if (e && e->active) {
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
282 return ngx_devpoll_set_event(e, event, 0);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
283 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
284
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
285 return NGX_OK;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
286 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
287
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
288
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
289 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
290 ngx_devpoll_set_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
291 {
194
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 179
diff changeset
292 size_t n;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
293 ngx_connection_t *c;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
294
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
295 c = ev->data;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
296
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
297 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
298 "devpoll fd:%d ev:%04Xi fl:%04Xi", c->fd, event, flags);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
299
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
300 if (nchanges >= max_changes) {
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
301 ngx_log_error(NGX_LOG_WARN, ev->log, 0,
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
302 "/dev/pool change list is filled up");
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
303
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
304 n = nchanges * sizeof(struct pollfd);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
305 if (write(dp, change_list, n) != (ssize_t) n) {
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
306 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
307 "write(/dev/poll) failed");
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
308 return NGX_ERROR;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
309 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
310
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
311 nchanges = 0;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
312 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
313
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
314 change_list[nchanges].fd = c->fd;
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
315 change_list[nchanges].events = (short) event;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
316 change_list[nchanges].revents = 0;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
317
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
318 change_index[nchanges] = ev;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
319 ev->index = nchanges;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
320
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
321 nchanges++;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
322
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
323 if (flags & NGX_CLOSE_EVENT) {
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
324 n = nchanges * sizeof(struct pollfd);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
325 if (write(dp, change_list, n) != (ssize_t) n) {
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
326 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
327 "write(/dev/poll) failed");
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
328 return NGX_ERROR;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
329 }
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
330
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
331 nchanges = 0;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
332 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
333
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
334 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
335 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
336
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
337
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
338 ngx_int_t
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
339 ngx_devpoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
340 ngx_uint_t flags)
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
341 {
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
342 int events, revents, rc;
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
343 size_t n;
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
344 ngx_fd_t fd;
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
345 ngx_err_t err;
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
346 ngx_int_t i;
5170
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
347 ngx_uint_t level, instance;
5821
3f5f0ab59b35 Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents: 5820
diff changeset
348 ngx_event_t *rev, *wev;
3f5f0ab59b35 Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents: 5820
diff changeset
349 ngx_queue_t *queue;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
350 ngx_connection_t *c;
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
351 struct pollfd pfd;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
352 struct dvpoll dvp;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
353
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
354 /* NGX_TIMER_INFINITE == INFTIM */
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
355
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
356 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
357 "devpoll timer: %M", timer);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
358
47
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
359 if (nchanges) {
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
360 n = nchanges * sizeof(struct pollfd);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
361 if (write(dp, change_list, n) != (ssize_t) n) {
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
362 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
47
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
363 "write(/dev/poll) failed");
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
364 return NGX_ERROR;
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
365 }
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
366
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
367 nchanges = 0;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
368 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
369
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 39
diff changeset
370 dvp.dp_fds = event_list;
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
371 dvp.dp_nfds = (int) nevents;
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 39
diff changeset
372 dvp.dp_timeout = timer;
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 39
diff changeset
373 events = ioctl(dp, DP_POLL, &dvp);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
374
3043
a66d6dfd53f1 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
375 err = (events == -1) ? ngx_errno : 0;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
376
3473
0299cf5856fc do not update time in the timer signal handler,
Igor Sysoev <igor@sysoev.ru>
parents: 3043
diff changeset
377 if (flags & NGX_UPDATE_TIME || ngx_event_timer_alarm) {
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
378 ngx_time_update();
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
379 }
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 167
diff changeset
380
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
381 if (err) {
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
382 if (err == NGX_EINTR) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
383
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
384 if (ngx_event_timer_alarm) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
385 ngx_event_timer_alarm = 0;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
386 return NGX_OK;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
387 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
388
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
389 level = NGX_LOG_INFO;
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
390
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
391 } else {
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
392 level = NGX_LOG_ALERT;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
393 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
394
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
395 ngx_log_error(level, cycle->log, err, "ioctl(DP_POLL) failed");
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
396 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
397 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
398
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
399 if (events == 0) {
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
400 if (timer != NGX_TIMER_INFINITE) {
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
401 return NGX_OK;
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
402 }
114
ac69ab96328d nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 110
diff changeset
403
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
404 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
405 "ioctl(DP_POLL) returned no events without timeout");
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
406 return NGX_ERROR;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
407 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
408
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
409 for (i = 0; i < events; i++) {
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
410
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
411 fd = event_list[i].fd;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
412 revents = event_list[i].revents;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
413
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
414 c = ngx_cycle->files[fd];
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
415
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
416 if (c == NULL || c->fd == -1) {
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
417
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
418 pfd.fd = fd;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
419 pfd.events = 0;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
420 pfd.revents = 0;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
421
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
422 rc = ioctl(dp, DP_ISPOLLED, &pfd);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
423
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
424 switch (rc) {
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
425
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
426 case -1:
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
427 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
5327
6b479db5b52b Format specifier fixes in error logging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 5172
diff changeset
428 "ioctl(DP_ISPOLLED) failed for socket %d, event %04Xd",
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
429 fd, revents);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
430 break;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
431
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
432 case 0:
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
433 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
434 "phantom event %04Xd for closed and removed socket %d",
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
435 revents, fd);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
436 break;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
437
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
438 default:
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
439 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
440 "unexpected event %04Xd for closed and removed socket %d, ",
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
441 "ioctl(DP_ISPOLLED) returned rc:%d, fd:%d, event %04Xd",
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
442 revents, fd, rc, pfd.fd, pfd.revents);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
443
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
444 pfd.fd = fd;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
445 pfd.events = POLLREMOVE;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
446 pfd.revents = 0;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
447
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
448 if (write(dp, &pfd, sizeof(struct pollfd))
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
449 != (ssize_t) sizeof(struct pollfd))
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
450 {
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
451 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
5327
6b479db5b52b Format specifier fixes in error logging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 5172
diff changeset
452 "write(/dev/poll) for %d failed", fd);
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
453 }
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
454
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
455 if (close(fd) == -1) {
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
456 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
457 "close(%d) failed", fd);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
458 }
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
459
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
460 break;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
461 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
462
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
463 continue;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
464 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
465
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
466 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
467 "devpoll: fd:%d, ev:%04Xd, rev:%04Xd",
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
468 fd, event_list[i].events, revents);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
469
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
470 if (revents & (POLLERR|POLLHUP|POLLNVAL)) {
1141
2b16d3959c2b fix building without --with-debug on Solaris
Igor Sysoev <igor@sysoev.ru>
parents: 1128
diff changeset
471 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
472 "ioctl(DP_POLL) error fd:%d ev:%04Xd rev:%04Xd",
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
473 fd, event_list[i].events, revents);
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
474 }
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
475
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
476 if (revents & ~(POLLIN|POLLOUT|POLLERR|POLLHUP|POLLNVAL)) {
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
477 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
478 "strange ioctl(DP_POLL) events "
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
479 "fd:%d ev:%04Xd rev:%04Xd",
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
480 fd, event_list[i].events, revents);
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
481 }
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
482
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
483 if ((revents & (POLLERR|POLLHUP|POLLNVAL))
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
484 && (revents & (POLLIN|POLLOUT)) == 0)
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
485 {
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
486 /*
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
487 * if the error events were returned without POLLIN or POLLOUT,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
488 * then add these flags to handle the events at least in one
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
489 * active handler
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
490 */
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
491
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
492 revents |= POLLIN|POLLOUT;
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
493 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
494
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
495 rev = c->read;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
496
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
497 if ((revents & POLLIN) && rev->active) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
498 rev->ready = 1;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
499
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
500 if (flags & NGX_POST_EVENTS) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
501 queue = rev->accept ? &ngx_posted_accept_events
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
502 : &ngx_posted_events;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
503
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
504 ngx_post_event(rev, queue);
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
505
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
506 } else {
5170
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
507 instance = rev->instance;
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
508
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
509 rev->handler(rev);
5170
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
510
5172
a4d21534cbf4 Events: fixed typos in two previous commits.
Valentin Bartenev <vbart@nginx.com>
parents: 5170
diff changeset
511 if (c->fd == -1 || rev->instance != instance) {
5170
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
512 continue;
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
513 }
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
514 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
515 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
516
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
517 wev = c->write;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
518
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
519 if ((revents & POLLOUT) && wev->active) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
520 wev->ready = 1;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
521
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
522 if (flags & NGX_POST_EVENTS) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
523 ngx_post_event(wev, &ngx_posted_events);
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
524
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
525 } else {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
526 wev->handler(wev);
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
527 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
528 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
529 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
530
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
531 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
532 }
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
533
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
534
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
535 static void *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
536 ngx_devpoll_create_conf(ngx_cycle_t *cycle)
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
537 {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
538 ngx_devpoll_conf_t *dpcf;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
539
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
540 dpcf = ngx_palloc(cycle->pool, sizeof(ngx_devpoll_conf_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
541 if (dpcf == NULL) {
2912
c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents: 1433
diff changeset
542 return NULL;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
543 }
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
544
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
545 dpcf->changes = NGX_CONF_UNSET;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
546 dpcf->events = NGX_CONF_UNSET;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
547
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
548 return dpcf;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
549 }
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
550
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
551
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
552 static char *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
553 ngx_devpoll_init_conf(ngx_cycle_t *cycle, void *conf)
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
554 {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
555 ngx_devpoll_conf_t *dpcf = conf;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
556
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
557 ngx_conf_init_uint_value(dpcf->changes, 32);
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
558 ngx_conf_init_uint_value(dpcf->events, 32);
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
559
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
560 return NGX_CONF_OK;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
561 }