Mercurial > hg > nginx
annotate src/core/ngx_shmtx.h @ 4104:84f34973684c
Version bump.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 14 Sep 2011 15:20:01 +0000 |
parents | 0daede16d68b |
children | 3f6040cd731e 4919fb357a5d |
rev | line source |
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611 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #ifndef _NGX_SHMTX_H_INCLUDED_ | |
8 #define _NGX_SHMTX_H_INCLUDED_ | |
9 | |
10 | |
11 #include <ngx_config.h> | |
12 #include <ngx_core.h> | |
13 | |
14 | |
15 typedef struct { | |
16 #if (NGX_HAVE_ATOMIC_OPS) | |
17 ngx_atomic_t *lock; | |
3909
0daede16d68b
use POSIX semaphores in shmtx instead of sched_yield()
Igor Sysoev <igor@sysoev.ru>
parents:
2563
diff
changeset
|
18 #if (NGX_HAVE_POSIX_SEM) |
0daede16d68b
use POSIX semaphores in shmtx instead of sched_yield()
Igor Sysoev <igor@sysoev.ru>
parents:
2563
diff
changeset
|
19 ngx_uint_t semaphore; |
0daede16d68b
use POSIX semaphores in shmtx instead of sched_yield()
Igor Sysoev <igor@sysoev.ru>
parents:
2563
diff
changeset
|
20 sem_t sem; |
0daede16d68b
use POSIX semaphores in shmtx instead of sched_yield()
Igor Sysoev <igor@sysoev.ru>
parents:
2563
diff
changeset
|
21 #endif |
611 | 22 #else |
23 ngx_fd_t fd; | |
24 u_char *name; | |
25 #endif | |
3909
0daede16d68b
use POSIX semaphores in shmtx instead of sched_yield()
Igor Sysoev <igor@sysoev.ru>
parents:
2563
diff
changeset
|
26 ngx_uint_t spin; |
611 | 27 } ngx_shmtx_t; |
28 | |
29 | |
860
201d017ea470
slab allocator in shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
611
diff
changeset
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30 ngx_int_t ngx_shmtx_create(ngx_shmtx_t *mtx, void *addr, u_char *name); |
611 | 31 void ngx_shmtx_destory(ngx_shmtx_t *mtx); |
3909
0daede16d68b
use POSIX semaphores in shmtx instead of sched_yield()
Igor Sysoev <igor@sysoev.ru>
parents:
2563
diff
changeset
|
32 ngx_uint_t ngx_shmtx_trylock(ngx_shmtx_t *mtx); |
0daede16d68b
use POSIX semaphores in shmtx instead of sched_yield()
Igor Sysoev <igor@sysoev.ru>
parents:
2563
diff
changeset
|
33 void ngx_shmtx_lock(ngx_shmtx_t *mtx); |
0daede16d68b
use POSIX semaphores in shmtx instead of sched_yield()
Igor Sysoev <igor@sysoev.ru>
parents:
2563
diff
changeset
|
34 void ngx_shmtx_unlock(ngx_shmtx_t *mtx); |
611 | 35 |
36 | |
37 #endif /* _NGX_SHMTX_H_INCLUDED_ */ |