Mercurial > hg > nginx
annotate src/misc/ngx_google_perftools_module.c @ 4728:fc62b72f7597 stable-1.2
Merge of r4690: conflicting wildcard server names fix.
With previous code wildcard names were added to hash even if conflict
was detected. This resulted in identical names in hash and segfault
later in ngx_hash_wildcard_init().
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 02 Jul 2012 16:59:34 +0000 |
parents | d620f497c50f |
children | a27e0c7e198c |
rev | line source |
---|---|
1949 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
1949 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 | |
11 /* | |
3478
eb8660fecc12
fix a comment and a style fix
Igor Sysoev <igor@sysoev.ru>
parents:
1949
diff
changeset
|
12 * declare Profiler interface here because |
1949 | 13 * <google/profiler.h> is C++ header file |
14 */ | |
15 | |
16 int ProfilerStart(u_char* fname); | |
17 void ProfilerStop(void); | |
18 void ProfilerRegisterThread(void); | |
19 | |
20 | |
21 static void *ngx_google_perftools_create_conf(ngx_cycle_t *cycle); | |
22 static ngx_int_t ngx_google_perftools_worker(ngx_cycle_t *cycle); | |
23 | |
24 | |
25 typedef struct { | |
26 ngx_str_t profiles; | |
27 } ngx_google_perftools_conf_t; | |
28 | |
29 | |
30 static ngx_command_t ngx_google_perftools_commands[] = { | |
31 | |
32 { ngx_string("google_perftools_profiles"), | |
33 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
34 ngx_conf_set_str_slot, | |
35 0, | |
36 offsetof(ngx_google_perftools_conf_t, profiles), | |
37 NULL }, | |
38 | |
39 ngx_null_command | |
40 }; | |
41 | |
42 | |
43 static ngx_core_module_t ngx_google_perftools_module_ctx = { | |
44 ngx_string("google_perftools"), | |
45 ngx_google_perftools_create_conf, | |
46 NULL | |
47 }; | |
48 | |
49 | |
50 ngx_module_t ngx_google_perftools_module = { | |
51 NGX_MODULE_V1, | |
52 &ngx_google_perftools_module_ctx, /* module context */ | |
53 ngx_google_perftools_commands, /* module directives */ | |
54 NGX_CORE_MODULE, /* module type */ | |
55 NULL, /* init master */ | |
56 NULL, /* init module */ | |
57 ngx_google_perftools_worker, /* init process */ | |
58 NULL, /* init thread */ | |
59 NULL, /* exit thread */ | |
60 NULL, /* exit process */ | |
61 NULL, /* exit master */ | |
62 NGX_MODULE_V1_PADDING | |
63 }; | |
64 | |
65 | |
66 static void * | |
67 ngx_google_perftools_create_conf(ngx_cycle_t *cycle) | |
68 { | |
69 ngx_google_perftools_conf_t *gptcf; | |
70 | |
71 gptcf = ngx_pcalloc(cycle->pool, sizeof(ngx_google_perftools_conf_t)); | |
72 if (gptcf == NULL) { | |
73 return NULL; | |
74 } | |
75 | |
76 /* | |
3480 | 77 * set by ngx_pcalloc() |
1949 | 78 * |
79 * gptcf->profiles = { 0, NULL }; | |
80 */ | |
81 | |
82 return gptcf; | |
83 } | |
84 | |
85 | |
86 static ngx_int_t | |
87 ngx_google_perftools_worker(ngx_cycle_t *cycle) | |
88 { | |
89 u_char *profile; | |
90 ngx_google_perftools_conf_t *gptcf; | |
91 | |
92 gptcf = (ngx_google_perftools_conf_t *) | |
93 ngx_get_conf(cycle->conf_ctx, ngx_google_perftools_module); | |
94 | |
95 if (gptcf->profiles.len == 0) { | |
96 return NGX_OK; | |
97 } | |
98 | |
99 profile = ngx_alloc(gptcf->profiles.len + NGX_INT_T_LEN + 2, cycle->log); | |
100 if (profile == NULL) { | |
101 return NGX_OK; | |
102 } | |
103 | |
104 if (getenv("CPUPROFILE")) { | |
105 /* disable inherited Profiler enabled in master process */ | |
106 ProfilerStop(); | |
107 } | |
108 | |
109 ngx_sprintf(profile, "%V.%d%Z", &gptcf->profiles, ngx_pid); | |
110 | |
111 if (ProfilerStart(profile)) { | |
112 /* start ITIMER_PROF timer */ | |
113 ProfilerRegisterThread(); | |
114 | |
115 } else { | |
116 ngx_log_error(NGX_LOG_CRIT, cycle->log, ngx_errno, | |
117 "ProfilerStart(%s) failed", profile); | |
118 } | |
119 | |
120 ngx_free(profile); | |
121 | |
122 return NGX_OK; | |
123 } | |
124 | |
125 | |
126 /* ProfilerStop() is called on Profiler destruction */ |