Mercurial > hg > nginx-quic
annotate auto/os/linux @ 6679:40e8ce405859
Stream: postpone session initialization under accept mutex.
Previously, it was possible that some system calls could be
invoked while holding the accept mutex. This is clearly
wrong as it prevents incoming connections from being accepted
as quickly as possible.
author | Dmitry Volyntsev <xeioex@nginx.com> |
---|---|
date | Tue, 06 Sep 2016 21:28:13 +0300 |
parents | 6acaa638fa07 |
children | c1524829af3d |
rev | line source |
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444
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1 |
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2 # Copyright (C) Igor Sysoev |
4412 | 3 # Copyright (C) Nginx, Inc. |
444
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5 |
509 | 6 have=NGX_LINUX . auto/have_headers |
455 | 7 |
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8 CORE_INCS="$UNIX_INCS" |
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9 CORE_DEPS="$UNIX_DEPS $LINUX_DEPS" |
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10 CORE_SRCS="$UNIX_SRCS $LINUX_SRCS" |
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11 |
455 | 12 ngx_spacer=' |
13 ' | |
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15 cc_aux_flags="$CC_AUX_FLAGS" |
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16 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" |
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17 |
461 | 18 |
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19 # Linux kernel version |
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20 |
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21 version=$((`uname -r \ |
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22 | sed -n -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/ \ |
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23 \1*256*256+\2*256+\3/p' \ |
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24 -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1*256*256+\2*256/p'`)) |
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477 | 26 version=${version:-0} |
27 | |
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28 |
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29 # posix_fadvise64() had been implemented in 2.5.60 |
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30 |
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31 if [ $version -lt 132412 ]; then |
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32 have=NGX_HAVE_POSIX_FADVISE . auto/nohave |
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33 fi |
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34 |
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35 # epoll, EPOLLET version |
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36 |
455 | 37 ngx_feature="epoll" |
469 | 38 ngx_feature_name="NGX_HAVE_EPOLL" |
591 | 39 ngx_feature_run=yes |
455 | 40 ngx_feature_incs="#include <sys/epoll.h>" |
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41 ngx_feature_path= |
455 | 42 ngx_feature_libs= |
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43 ngx_feature_test="int efd = 0; |
455 | 44 struct epoll_event ee; |
45 ee.events = EPOLLIN|EPOLLOUT|EPOLLET; | |
46 ee.data.ptr = NULL; | |
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47 (void) ee; |
455 | 48 efd = epoll_create(100); |
49 if (efd == -1) return 1;" | |
50 . auto/feature | |
248
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51 |
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52 if [ $ngx_found = yes ]; then |
469 | 53 have=NGX_HAVE_CLEAR_EVENT . auto/have |
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54 CORE_SRCS="$CORE_SRCS $EPOLL_SRCS" |
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55 EVENT_MODULES="$EVENT_MODULES $EPOLL_MODULE" |
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56 EVENT_FOUND=YES |
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57 |
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58 |
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59 # EPOLLRDHUP appeared in Linux 2.6.17, glibc 2.8 |
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60 |
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61 ngx_feature="EPOLLRDHUP" |
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62 ngx_feature_name="NGX_HAVE_EPOLLRDHUP" |
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63 ngx_feature_run=no |
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64 ngx_feature_incs="#include <sys/epoll.h>" |
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65 ngx_feature_path= |
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66 ngx_feature_libs= |
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67 ngx_feature_test="int efd = 0, fd = 0; |
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68 struct epoll_event ee; |
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69 ee.events = EPOLLIN|EPOLLRDHUP|EPOLLET; |
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70 ee.data.ptr = NULL; |
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71 epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ee)" |
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72 . auto/feature |
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73 |
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74 |
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75 # EPOLLEXCLUSIVE appeared in Linux 4.5, glibc 2.24 |
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76 |
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77 ngx_feature="EPOLLEXCLUSIVE" |
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78 ngx_feature_name="NGX_HAVE_EPOLLEXCLUSIVE" |
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79 ngx_feature_run=no |
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80 ngx_feature_incs="#include <sys/epoll.h>" |
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81 ngx_feature_path= |
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82 ngx_feature_libs= |
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83 ngx_feature_test="int efd = 0, fd = 0; |
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84 struct epoll_event ee; |
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85 ee.events = EPOLLIN|EPOLLEXCLUSIVE; |
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86 ee.data.ptr = NULL; |
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87 epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ee)" |
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88 . auto/feature |
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89 fi |
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90 |
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91 |
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92 # O_PATH and AT_EMPTY_PATH were introduced in 2.6.39, glibc 2.14 |
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93 |
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94 ngx_feature="O_PATH" |
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95 ngx_feature_name="NGX_HAVE_O_PATH" |
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96 ngx_feature_run=no |
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97 ngx_feature_incs="#include <sys/types.h> |
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98 #include <sys/stat.h> |
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99 #include <fcntl.h>" |
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100 ngx_feature_path= |
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101 ngx_feature_libs= |
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102 ngx_feature_test="int fd; struct stat sb; |
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103 fd = openat(AT_FDCWD, \".\", O_PATH|O_DIRECTORY|O_NOFOLLOW); |
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104 if (fstatat(fd, \"\", &sb, AT_EMPTY_PATH) != 0) return 1" |
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105 . auto/feature |
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106 |
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107 |
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108 # sendfile() |
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109 |
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110 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE" |
455 | 111 ngx_feature="sendfile()" |
469 | 112 ngx_feature_name="NGX_HAVE_SENDFILE" |
591 | 113 ngx_feature_run=yes |
114 ngx_feature_incs="#include <sys/sendfile.h> | |
2598 | 115 #include <errno.h>" |
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116 ngx_feature_path= |
455 | 117 ngx_feature_libs= |
118 ngx_feature_test="int s = 0, fd = 1; | |
119 ssize_t n; off_t off = 0; | |
591 | 120 n = sendfile(s, fd, &off, 1); |
121 if (n == -1 && errno == ENOSYS) return 1" | |
455 | 122 . auto/feature |
248
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123 |
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124 if [ $ngx_found = yes ]; then |
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125 CORE_SRCS="$CORE_SRCS $LINUX_SENDFILE_SRCS" |
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126 fi |
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127 |
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128 |
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129 # sendfile64() |
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130 |
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fix Linux sendfile32() test broken in 0.3.36
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131 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" |
455 | 132 ngx_feature="sendfile64()" |
469 | 133 ngx_feature_name="NGX_HAVE_SENDFILE64" |
591 | 134 ngx_feature_run=yes |
135 ngx_feature_incs="#include <sys/sendfile.h> | |
2598 | 136 #include <errno.h>" |
875
7af8276b1c2f
test PCRE in FreeBSD, Linux, and NetBSD
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137 ngx_feature_path= |
455 | 138 ngx_feature_libs= |
139 ngx_feature_test="int s = 0, fd = 1; | |
140 ssize_t n; off_t off = 0; | |
591 | 141 n = sendfile(s, fd, &off, 1); |
142 if (n == -1 && errno == ENOSYS) return 1" | |
455 | 143 . auto/feature |
196
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144 |
253
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nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
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145 |
455 | 146 ngx_include="sys/prctl.h"; . auto/include |
147 | |
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nginx-0.0.2-2004-02-09-10:46:43 import
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148 # prctl(PR_SET_DUMPABLE) |
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149 |
455 | 150 ngx_feature="prctl(PR_SET_DUMPABLE)" |
469 | 151 ngx_feature_name="NGX_HAVE_PR_SET_DUMPABLE" |
455 | 152 ngx_feature_run=yes |
153 ngx_feature_incs="#include <sys/prctl.h>" | |
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test PCRE in FreeBSD, Linux, and NetBSD
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154 ngx_feature_path= |
455 | 155 ngx_feature_libs= |
156 ngx_feature_test="if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) return 1" | |
157 . auto/feature | |
577 | 158 |
159 | |
160 # sched_setaffinity() | |
161 | |
162 ngx_feature="sched_setaffinity()" | |
163 ngx_feature_name="NGX_HAVE_SCHED_SETAFFINITY" | |
164 ngx_feature_run=no | |
165 ngx_feature_incs="#include <sched.h>" | |
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166 ngx_feature_path= |
577 | 167 ngx_feature_libs= |
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worker_cpu_affinity: cleaned up Linux implementation, added FreeBSD support.
Ruslan Ermilov <ru@nginx.com>
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168 ngx_feature_test="cpu_set_t mask; |
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169 CPU_ZERO(&mask); |
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170 sched_setaffinity(0, sizeof(cpu_set_t), &mask)" |
577 | 171 . auto/feature |
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172 |
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173 |
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autoconfigure crypt_r(): uclibc has no crypt_r()
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174 # crypt_r() |
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175 |
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176 ngx_feature="crypt_r()" |
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177 ngx_feature_name="NGX_HAVE_GNU_CRYPT_R" |
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178 ngx_feature_run=no |
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179 ngx_feature_incs="#include <crypt.h>" |
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180 ngx_feature_path= |
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181 ngx_feature_libs=-lcrypt |
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182 ngx_feature_test="struct crypt_data cd; |
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183 crypt_r(\"key\", \"salt\", &cd);" |
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184 . auto/feature |
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185 |
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186 |
2615 | 187 ngx_include="sys/vfs.h"; . auto/include |
188 | |
189 | |
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fix GNU strerror_r() detection, the bug has been inroduced in r2600
Igor Sysoev <igor@sysoev.ru>
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190 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" |