annotate src/os/unix/ngx_process.h @ 502:89dc5654117c NGINX_0_7_63

nginx 0.7.63 *) Security: now "/../" are disabled in "Destination" request header line. *) Change: minimum supported OpenSSL version is 0.9.7. *) Change: the "ask" parameter of the "ssl_verify_client" directive was changed to the "optional" parameter and now it checks a client certificate if it was offered. Thanks to Brice Figureau. *) Feature: now the "-V" switch shows TLS SNI support. *) Feature: the $ssl_client_verify variable. Thanks to Brice Figureau. *) Feature: the "ssl_crl" directive. Thanks to Brice Figureau. *) Bugfix: the $ssl_client_cert variable usage corrupted memory; the bug had appeared in 0.7.7. Thanks to Sergey Zhuravlev. *) Feature: now the start cache loader runs in a separate process; this should improve large caches handling. *) Feature: now temporary files and permanent storage area may reside at different file systems. *) Bugfix: nginx counted incorrectly disk cache size. *) Change: now directive "gzip_disable msie6" does not disable gzipping for MSIE 6.0 SV1. *) Bugfix: nginx always added "Vary: Accept-Encoding" response header line, if both "gzip_static" and "gzip_vary" were on. *) Feature: the "proxy" parameter of the "geo" directive. *) Feature: the ngx_http_geoip_module. *) Feature: the "limit_rate_after" directive. Thanks to Ivan Debnar. *) Feature: the "limit_req_log_level" and "limit_conn_log_level" directives. *) Bugfix: now "limit_req" directive conforms to the leaky bucket algorithm. Thanks to Maxim Dounin. *) Bugfix: in ngx_http_limit_req_module. Thanks to Maxim Dounin. *) Bugfix: now nginx allows underscores in a request method. *) Bugfix: "proxy_pass_header" and "fastcgi_pass_header" directives did not pass to a client the "X-Accel-Redirect", "X-Accel-Limit-Rate", "X-Accel-Buffering", and "X-Accel-Charset" lines from backend response header. Thanks to Maxim Dounin. *) Bugfix: in handling "Last-Modified" and "Accept-Ranges" backend response header lines; the bug had appeared in 0.7.44. Thanks to Maxim Dounin. *) Feature: the "image_filter_transparency" directive. *) Feature: the "image_filter" directive supports variables for setting size. *) Bugfix: in PNG alpha-channel support in the ngx_http_image_filter_module. *) Bugfix: in transparency support in the ngx_http_image_filter_module. *) Feature: now several "perl_modules" directives may be used. *) Bugfix: ngx_http_perl_module responses did not work in subrequests. *) Bugfix: nginx sent '\0' in a "Location" response header line on MKCOL request. Thanks to Xie Zhenye. *) Bugfix: an "error_page" directive did not redirect a 413 error; the bug had appeared in 0.6.10. *) Bugfix: in memory allocation error handling. Thanks to Maxim Dounin and Kirill A. Korinskiy.
author Igor Sysoev <http://sysoev.ru>
date Mon, 26 Oct 2009 00:00:00 +0300
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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_PROCESS_H_INCLUDED_
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8 #define _NGX_PROCESS_H_INCLUDED_
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11 #include <ngx_setproctitle.h>
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14 typedef pid_t ngx_pid_t;
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16 #define NGX_INVALID_PID -1
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18 typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
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20 typedef struct {
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21 ngx_pid_t pid;
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22 int status;
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23 ngx_socket_t channel[2];
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25 ngx_spawn_proc_pt proc;
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26 void *data;
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27 char *name;
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29 unsigned respawn:1;
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30 unsigned just_spawn:1;
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31 unsigned detached:1;
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32 unsigned exiting:1;
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33 unsigned exited:1;
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34 } ngx_process_t;
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37 typedef struct {
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38 char *path;
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39 char *name;
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40 char *const *argv;
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41 char *const *envp;
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42 } ngx_exec_ctx_t;
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45 #define NGX_MAX_PROCESSES 1024
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47 #define NGX_PROCESS_NORESPAWN -1
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48 #define NGX_PROCESS_JUST_SPAWN -2
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49 #define NGX_PROCESS_RESPAWN -3
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50 #define NGX_PROCESS_JUST_RESPAWN -4
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51 #define NGX_PROCESS_DETACHED -5
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54 #define ngx_getpid getpid
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56 #ifndef ngx_log_pid
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57 #define ngx_log_pid ngx_pid
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58 #endif
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61 ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
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62 ngx_spawn_proc_pt proc, void *data, char *name, ngx_int_t respawn);
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63 ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
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64 ngx_int_t ngx_init_signals(ngx_log_t *log);
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65 void ngx_debug_point(void);
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68 #if (NGX_HAVE_SCHED_YIELD)
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69 #define ngx_sched_yield() sched_yield()
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70 #else
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71 #define ngx_sched_yield() usleep(1)
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72 #endif
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75 extern int ngx_argc;
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76 extern char **ngx_argv;
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77 extern char **ngx_os_argv;
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79 extern ngx_pid_t ngx_pid;
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80 extern ngx_socket_t ngx_channel;
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81 extern ngx_int_t ngx_process_slot;
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82 extern ngx_int_t ngx_last_process;
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83 extern ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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86 #endif /* _NGX_PROCESS_H_INCLUDED_ */