annotate src/core/ngx_shmtx.h @ 650:4d05413aebad NGINX_1_1_9

nginx 1.1.9 *) Change: now double quotes are encoded in an "echo" SSI-command output. Thanks to Zaur Abasmirzoev. *) Feature: the "valid" parameter of the "resolver" directive. By default TTL returned by a DNS server is used. Thanks to Kirill A. Korinskiy. *) Bugfix: nginx might hang after a worker process abnormal termination. *) Bugfix: a segmentation fault might occur in a worker process if SNI was used; the bug had appeared in 1.1.2. *) Bugfix: in the "keepalive_disable" directive; the bug had appeared in 1.1.8. Thanks to Alexander Usov. *) Bugfix: SIGWINCH signal did not work after first binary upgrade; the bug had appeared in 1.1.1. *) Bugfix: backend responses with length not matching "Content-Length" header line are no longer cached. *) Bugfix: in the "scgi_param" directive, if complex parameters were used. *) Bugfix: in the "epoll" event method. Thanks to Yichun Zhang. *) Bugfix: in the ngx_http_flv_module. Thanks to Piotr Sikora. *) Bugfix: in the ngx_http_mp4_module. *) Bugfix: IPv6 addresses are now handled properly in a request line and in a "Host" request header line. *) Bugfix: "add_header" and "expires" directives did not work if a request was proxied and response status code was 206. *) Bugfix: nginx could not be built on FreeBSD 10. *) Bugfix: nginx could not be built on AIX.
author Igor Sysoev <http://sysoev.ru>
date Mon, 28 Nov 2011 00:00:00 +0400
parents d4da38525468
children d0f7a625f27c
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_SHMTX_H_INCLUDED_
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8 #define _NGX_SHMTX_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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15 typedef struct {
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16 ngx_atomic_t lock;
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17 #if (NGX_HAVE_POSIX_SEM)
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18 ngx_atomic_t wait;
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19 #endif
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20 } ngx_shmtx_sh_t;
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23 typedef struct {
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24 #if (NGX_HAVE_ATOMIC_OPS)
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25 ngx_atomic_t *lock;
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26 #if (NGX_HAVE_POSIX_SEM)
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27 ngx_atomic_t *wait;
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28 ngx_uint_t semaphore;
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29 sem_t sem;
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30 #endif
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31 #else
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32 ngx_fd_t fd;
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33 u_char *name;
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34 #endif
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35 ngx_uint_t spin;
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36 } ngx_shmtx_t;
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39 ngx_int_t ngx_shmtx_create(ngx_shmtx_t *mtx, ngx_shmtx_sh_t *addr,
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40 u_char *name);
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41 void ngx_shmtx_destory(ngx_shmtx_t *mtx);
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42 ngx_uint_t ngx_shmtx_trylock(ngx_shmtx_t *mtx);
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43 void ngx_shmtx_lock(ngx_shmtx_t *mtx);
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44 void ngx_shmtx_unlock(ngx_shmtx_t *mtx);
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45 ngx_uint_t ngx_shmtx_force_unlock(ngx_shmtx_t *mtx, ngx_pid_t pid);
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48 #endif /* _NGX_SHMTX_H_INCLUDED_ */