Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_posix_init.c @ 7162:8b84d60ef13d
Fixed "changing binary" when reaper is not init.
On some systems, it's possible that reaper of orphaned processes is
set to something other than "init" process. On such systems, the
changing binary procedure did not work.
The fix is to check if PPID has changed, instead of assuming it's
always 1 for orphaned processes.
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Tue, 28 Nov 2017 12:00:24 +0300 |
parents | 56fc55e32f23 |
children | 057adb2a9d23 |
rev | line source |
---|---|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
1 |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
2 /* |
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
5 */ |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
6 |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_config.h> |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #include <ngx_core.h> |
539 | 10 #include <nginx.h> |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
11 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
12 |
473 | 13 ngx_int_t ngx_ncpu; |
14 ngx_int_t ngx_max_sockets; | |
15 ngx_uint_t ngx_inherited_nonblocking; | |
16 ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; | |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
17 |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
18 |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
19 struct rlimit rlmt; |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
20 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
21 |
355
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
354
diff
changeset
|
22 ngx_os_io_t ngx_os_io = { |
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
354
diff
changeset
|
23 ngx_unix_recv, |
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
354
diff
changeset
|
24 ngx_readv_chain, |
1689 | 25 ngx_udp_unix_recv, |
2434
f80631ca01c6
set send() slot for POSIX systems
Igor Sysoev <igor@sysoev.ru>
parents:
1689
diff
changeset
|
26 ngx_unix_send, |
6436 | 27 ngx_udp_unix_send, |
6692 | 28 ngx_udp_unix_sendmsg_chain, |
355
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
354
diff
changeset
|
29 ngx_writev_chain, |
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
354
diff
changeset
|
30 0 |
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
354
diff
changeset
|
31 }; |
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
354
diff
changeset
|
32 |
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
354
diff
changeset
|
33 |
539 | 34 ngx_int_t |
35 ngx_os_init(ngx_log_t *log) | |
455 | 36 { |
6651
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6436
diff
changeset
|
37 ngx_time_t *tp; |
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6436
diff
changeset
|
38 ngx_uint_t n; |
860
201d017ea470
slab allocator in shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
800
diff
changeset
|
39 |
539 | 40 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
41 if (ngx_os_specific_init(log) != NGX_OK) { | |
42 return NGX_ERROR; | |
43 } | |
44 #endif | |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
45 |
5826
16013b71feed
Added ngx_init_setproctitle() return code check.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5701
diff
changeset
|
46 if (ngx_init_setproctitle(log) != NGX_OK) { |
16013b71feed
Added ngx_init_setproctitle() return code check.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5701
diff
changeset
|
47 return NGX_ERROR; |
16013b71feed
Added ngx_init_setproctitle() return code check.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5701
diff
changeset
|
48 } |
509 | 49 |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
252
diff
changeset
|
50 ngx_pagesize = getpagesize(); |
589 | 51 ngx_cacheline_size = NGX_CPU_CACHE_LINE; |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
252
diff
changeset
|
52 |
860
201d017ea470
slab allocator in shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
800
diff
changeset
|
53 for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ } |
201d017ea470
slab allocator in shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
800
diff
changeset
|
54 |
4459
ccb2f8e3d08d
Added ngx_ncpu detection for most *nix platforms.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
55 #if (NGX_HAVE_SC_NPROCESSORS_ONLN) |
373
018569a8f09c
nginx-0.0.7-2004-06-30-19:30:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
56 if (ngx_ncpu == 0) { |
4459
ccb2f8e3d08d
Added ngx_ncpu detection for most *nix platforms.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
57 ngx_ncpu = sysconf(_SC_NPROCESSORS_ONLN); |
ccb2f8e3d08d
Added ngx_ncpu detection for most *nix platforms.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
58 } |
ccb2f8e3d08d
Added ngx_ncpu detection for most *nix platforms.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
59 #endif |
ccb2f8e3d08d
Added ngx_ncpu detection for most *nix platforms.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
60 |
ccb2f8e3d08d
Added ngx_ncpu detection for most *nix platforms.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
61 if (ngx_ncpu < 1) { |
373
018569a8f09c
nginx-0.0.7-2004-06-30-19:30:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
62 ngx_ncpu = 1; |
018569a8f09c
nginx-0.0.7-2004-06-30-19:30:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
63 } |
018569a8f09c
nginx-0.0.7-2004-06-30-19:30:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
64 |
611 | 65 ngx_cpuinfo(); |
66 | |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
67 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
68 ngx_log_error(NGX_LOG_ALERT, log, errno, |
6315
cb31017e961b
Core: fix typo in error message.
Piotr Sikora <piotrsikora@google.com>
parents:
5826
diff
changeset
|
69 "getrlimit(RLIMIT_NOFILE) failed"); |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
70 return NGX_ERROR; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
71 } |
577 | 72 |
563 | 73 ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur; |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
74 |
3786 | 75 #if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4) |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
76 ngx_inherited_nonblocking = 1; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
77 #else |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
78 ngx_inherited_nonblocking = 0; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
79 #endif |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
80 |
6651
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6436
diff
changeset
|
81 tp = ngx_timeofday(); |
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6436
diff
changeset
|
82 srandom(((unsigned) ngx_pid << 16) ^ tp->sec ^ tp->msec); |
800 | 83 |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
84 return NGX_OK; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
85 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
86 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
87 |
539 | 88 void |
89 ngx_os_status(ngx_log_t *log) | |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
90 { |
5701
1209b8a7b077
Configure: the --build= option.
Ruslan Ermilov <ru@nginx.com>
parents:
4759
diff
changeset
|
91 ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER_BUILD); |
541 | 92 |
557 | 93 #ifdef NGX_COMPILER |
94 ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER); | |
95 #endif | |
96 | |
539 | 97 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
98 ngx_os_specific_status(log); | |
99 #endif | |
100 | |
531 | 101 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
461 | 102 "getrlimit(RLIMIT_NOFILE): %r:%r", |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
103 rlmt.rlim_cur, rlmt.rlim_max); |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
104 } |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
105 |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
106 |
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4459
diff
changeset
|
107 #if 0 |
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4459
diff
changeset
|
108 |
539 | 109 ngx_int_t |
110 ngx_posix_post_conf_init(ngx_log_t *log) | |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 ngx_fd_t pp[2]; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 if (pipe(pp) == -1) { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed"); |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 return NGX_ERROR; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 if (dup2(pp[1], STDERR_FILENO) == -1) { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 return NGX_ERROR; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
124 if (pp[1] > STDERR_FILENO) { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 if (close(pp[1]) == -1) { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 return NGX_ERROR; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 return NGX_OK; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 } |
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4459
diff
changeset
|
133 |
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4459
diff
changeset
|
134 #endif |