Mercurial > hg > nginx-quic
annotate auto/unix @ 3440:88741ec7731a stable-0.7
merge r3294, r3305:
Fix a bug introduced in r2032: After a child process has read a terminate
message from a channel, the process tries to read the channel again.
The kernel (at least FreeBSD) may preempt the process and sends a SIGIO
signal to a master process. The master process sends a new terminate message,
the kernel switches again to the the child process, and the child process
reads the messages instead of an EAGAIN error. And this may repeat over
and over. Being that the child process can not exit the cycle and test
the termination flag set by the message handler.
The fix disallow the master process to send a new terminate message on
SIGIO signal reception. It may send the message only on SIGALARM signal.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 01 Feb 2010 15:49:36 +0000 |
parents | cb3d4dc8c6db |
children | 65481698535c |
rev | line source |
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1 |
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2 # Copyright (C) Igor Sysoev |
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4 |
479 | 5 have=NGX_HAVE_UNIX_DOMAIN . auto/have |
6 | |
583 | 7 ngx_feature_libs= |
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493 | 9 |
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10 # C types |
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12 ngx_type="int"; . auto/types/sizeof |
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14 ngx_type="long"; . auto/types/sizeof |
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16 ngx_type="long long"; . auto/types/sizeof |
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18 ngx_type="void *"; . auto/types/sizeof; ngx_ptr_size=$ngx_size |
493 | 19 ngx_param=NGX_PTR_SIZE; ngx_value=$ngx_size; . auto/types/value |
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22 # POSIX types |
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23 |
665 | 24 case "$NGX_AUTO_CONFIG_H" in |
25 /*) | |
26 NGX_INCLUDE_AUTO_CONFIG_H="#include \"$NGX_AUTO_CONFIG_H\"" | |
27 ;; | |
28 *) | |
29 NGX_INCLUDE_AUTO_CONFIG_H="#include \"../$NGX_AUTO_CONFIG_H\"" | |
30 ;; | |
31 esac | |
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32 |
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33 ngx_type="uint64_t"; ngx_types="u_int64_t"; . auto/types/typedef |
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34 |
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35 ngx_type="sig_atomic_t"; ngx_types="int"; . auto/types/typedef |
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36 . auto/types/sizeof |
477 | 37 ngx_param=NGX_SIG_ATOMIC_T_SIZE; ngx_value=$ngx_size; . auto/types/value |
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38 |
515 | 39 ngx_type="socklen_t"; ngx_types="int"; . auto/types/typedef |
196
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40 |
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41 ngx_type="in_addr_t"; ngx_types="uint32_t"; . auto/types/typedef |
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42 |
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43 ngx_type="in_port_t"; ngx_types="u_short"; . auto/types/typedef |
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44 |
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45 ngx_type="rlim_t"; ngx_types="int"; . auto/types/typedef |
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46 |
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47 . auto/types/uintptr_t |
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49 . auto/endianess |
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50 |
473 | 51 ngx_type="size_t"; . auto/types/sizeof |
477 | 52 ngx_param=NGX_MAX_SIZE_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value |
53 ngx_param=NGX_SIZE_T_LEN; ngx_value=$ngx_max_len; . auto/types/value | |
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54 |
473 | 55 ngx_type="off_t"; . auto/types/sizeof |
477 | 56 ngx_param=NGX_MAX_OFF_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value |
57 ngx_param=NGX_OFF_T_LEN; ngx_value=$ngx_max_len; . auto/types/value | |
473 | 58 |
59 ngx_type="time_t"; . auto/types/sizeof | |
477 | 60 ngx_param=NGX_TIME_T_SIZE; ngx_value=$ngx_size; . auto/types/value |
61 ngx_param=NGX_TIME_T_LEN; ngx_value=$ngx_max_len; . auto/types/value | |
195
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62 |
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63 |
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64 # syscalls, libc calls and some features |
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65 |
455 | 66 |
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67 if [ $NGX_IPV6 = YES ]; then |
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68 ngx_feature="AF_INET6" |
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69 ngx_feature_name="NGX_HAVE_INET6" |
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70 ngx_feature_run=no |
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71 ngx_feature_incs="#include <sys/socket.h> |
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72 #include <netinet/in.h> |
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73 #include <arpa/inet.h>" |
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74 ngx_feature_path= |
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75 ngx_feature_libs= |
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76 ngx_feature_test="struct sockaddr_in6 sin6; |
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77 sin6.sin6_family = AF_INET6;" |
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78 . auto/feature |
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79 fi |
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80 |
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81 |
467 | 82 ngx_feature="setproctitle()" |
469 | 83 ngx_feature_name="NGX_HAVE_SETPROCTITLE" |
467 | 84 ngx_feature_run=no |
85 ngx_feature_incs= | |
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86 ngx_feature_path= |
509 | 87 ngx_feature_libs=$NGX_SETPROCTITLE_LIB |
467 | 88 ngx_feature_test="setproctitle(\"test\");" |
89 . auto/feature | |
90 | |
91 | |
455 | 92 ngx_feature="pread()" |
469 | 93 ngx_feature_name="NGX_HAVE_PREAD" |
455 | 94 ngx_feature_run=no |
95 ngx_feature_incs= | |
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96 ngx_feature_path= |
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97 ngx_feature_libs= |
455 | 98 ngx_feature_test="char buf[1]; ssize_t n; n = pread(0, buf, 1, 0)" |
99 . auto/feature | |
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100 |
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101 |
455 | 102 ngx_feature="pwrite()" |
469 | 103 ngx_feature_name="NGX_HAVE_PWRITE" |
455 | 104 ngx_feature_run=no |
105 ngx_feature_incs= | |
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106 ngx_feature_path= |
455 | 107 ngx_feature_libs= |
108 ngx_feature_test="char buf[1]; ssize_t n; n = pwrite(1, buf, 1, 0)" | |
109 . auto/feature | |
195
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110 |
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111 |
455 | 112 ngx_feature="strerror_r()" |
469 | 113 ngx_feature_name="NGX_HAVE_STRERROR_R" |
461 | 114 ngx_feature_run=yes |
455 | 115 ngx_feature_incs="#include <string.h>" |
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116 ngx_feature_path= |
455 | 117 ngx_feature_libs= |
485 | 118 ngx_feature_test="char buf[1024]; long n; n = strerror_r(1, buf, 1024); |
119 if (n < 0 || n > 1024) return 1;" | |
455 | 120 . auto/feature |
212
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121 |
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122 |
461 | 123 # GNU style strerror_r() returns not length, but pointer |
124 | |
125 ngx_feature="gnu style strerror_r()" | |
469 | 126 ngx_feature_name="NGX_HAVE_GNU_STRERROR_R" |
461 | 127 ngx_feature_run=yes |
455 | 128 ngx_feature_incs="#include <string.h>" |
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129 ngx_feature_path= |
455 | 130 ngx_feature_libs= |
485 | 131 ngx_feature_test="char buf[1024]; long n; n = strerror_r(1, buf, 1024); |
132 if (n >= 0 && n < 1024) return 1;" | |
455 | 133 . auto/feature |
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134 |
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135 |
455 | 136 ngx_feature="localtime_r()" |
469 | 137 ngx_feature_name="NGX_HAVE_LOCALTIME_R" |
455 | 138 ngx_feature_run=no |
139 ngx_feature_incs="#include <time.h>" | |
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140 ngx_feature_path= |
455 | 141 ngx_feature_libs= |
142 ngx_feature_test="struct tm t; time_t c=0; localtime_r(&c, &t)" | |
143 . auto/feature | |
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144 |
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145 |
455 | 146 ngx_feature="posix_memalign()" |
469 | 147 ngx_feature_name="NGX_HAVE_POSIX_MEMALIGN" |
455 | 148 ngx_feature_run=no |
149 ngx_feature_incs="#include <stdlib.h>" | |
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150 ngx_feature_path= |
455 | 151 ngx_feature_libs= |
152 ngx_feature_test="void *p; int n; n = posix_memalign(&p, 4096, 4096)" | |
153 . auto/feature | |
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154 |
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155 |
455 | 156 ngx_feature="memalign()" |
469 | 157 ngx_feature_name="NGX_HAVE_MEMALIGN" |
455 | 158 ngx_feature_run=no |
159 ngx_feature_incs="#include <stdlib.h>" | |
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160 ngx_feature_path= |
455 | 161 ngx_feature_libs= |
162 ngx_feature_test="void *p; p = memalign(4096, 4096)" | |
163 . auto/feature | |
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164 |
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165 |
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166 ngx_feature="mmap(MAP_ANON|MAP_SHARED)" |
469 | 167 ngx_feature_name="NGX_HAVE_MAP_ANON" |
455 | 168 ngx_feature_run=yes |
169 ngx_feature_incs="#include <sys/mman.h>" | |
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170 ngx_feature_path= |
455 | 171 ngx_feature_libs= |
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172 ngx_feature_test="void *p; |
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173 p = mmap(NULL, 4096, PROT_READ|PROT_WRITE, |
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174 MAP_ANON|MAP_SHARED, -1, 0); |
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175 if (p == MAP_FAILED) return 1;" |
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176 . auto/feature |
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177 |
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178 |
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179 ngx_feature='mmap("/dev/zero", MAP_SHARED)' |
469 | 180 ngx_feature_name="NGX_HAVE_MAP_DEVZERO" |
455 | 181 ngx_feature_run=yes |
182 ngx_feature_incs="#include <sys/mman.h> | |
2598 | 183 #include <sys/stat.h> |
184 #include <fcntl.h>" | |
875
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test PCRE in FreeBSD, Linux, and NetBSD
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185 ngx_feature_path= |
455 | 186 ngx_feature_libs= |
358
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187 ngx_feature_test='void *p; int fd; |
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188 fd = open("/dev/zero", O_RDWR); |
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189 p = mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); |
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190 if (p == MAP_FAILED) return 1;' |
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191 . auto/feature |
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192 |
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193 |
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194 ngx_feature="System V shared memory" |
469 | 195 ngx_feature_name="NGX_HAVE_SYSVSHM" |
455 | 196 ngx_feature_run=yes |
197 ngx_feature_incs="#include <sys/ipc.h> | |
2598 | 198 #include <sys/shm.h>" |
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test PCRE in FreeBSD, Linux, and NetBSD
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199 ngx_feature_path= |
455 | 200 ngx_feature_libs= |
358
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201 ngx_feature_test="int id; |
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202 id = shmget(IPC_PRIVATE, 4096, (SHM_R|SHM_W|IPC_CREAT)); |
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203 if (id == -1) return 1; |
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204 shmctl(id, IPC_RMID, NULL);" |
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205 . auto/feature |
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206 |
355
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207 |
358
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208 ngx_feature="struct msghdr.msg_control" |
469 | 209 ngx_feature_name="NGX_HAVE_MSGHDR_MSG_CONTROL" |
455 | 210 ngx_feature_run=no |
211 ngx_feature_incs="#include <sys/socket.h>" | |
875
7af8276b1c2f
test PCRE in FreeBSD, Linux, and NetBSD
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212 ngx_feature_path= |
455 | 213 ngx_feature_libs= |
358
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214 ngx_feature_test="struct msghdr msg; msg.msg_control = NULL" |
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215 . auto/feature |
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216 |
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217 |
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218 ngx_feature="ioctl(FIONBIO)" |
469 | 219 ngx_feature_name="NGX_HAVE_FIONBIO" |
455 | 220 ngx_feature_run=no |
221 ngx_feature_incs="#include <sys/ioctl.h> | |
2598 | 222 $NGX_INCLUDE_SYS_FILIO_H" |
875
7af8276b1c2f
test PCRE in FreeBSD, Linux, and NetBSD
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parents:
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223 ngx_feature_path= |
455 | 224 ngx_feature_libs= |
358
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225 ngx_feature_test="int i; i = FIONBIO" |
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226 . auto/feature |
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227 |
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228 |
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229 ngx_feature="struct tm.tm_gmtoff" |
469 | 230 ngx_feature_name="NGX_HAVE_GMTOFF" |
455 | 231 ngx_feature_run=no |
232 ngx_feature_incs="#include <time.h>" | |
875
7af8276b1c2f
test PCRE in FreeBSD, Linux, and NetBSD
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233 ngx_feature_path= |
455 | 234 ngx_feature_libs= |
358
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235 ngx_feature_test="struct tm tm; tm.tm_gmtoff = 0" |
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236 . auto/feature |
2234
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237 |
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238 |
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239 ngx_feature="struct dirent.d_namlen" |
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240 ngx_feature_name="NGX_HAVE_D_NAMLEN" |
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*) autoconfigure struct dirent capabilities
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241 ngx_feature_run=no |
c7c319896bb4
*) autoconfigure struct dirent capabilities
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242 ngx_feature_incs="#include <dirent.h>" |
c7c319896bb4
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243 ngx_feature_path= |
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244 ngx_feature_libs= |
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*) autoconfigure struct dirent capabilities
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245 ngx_feature_test="struct dirent dir; dir.d_namlen = 0" |
c7c319896bb4
*) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
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246 . auto/feature |
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247 |
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*) autoconfigure struct dirent capabilities
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248 |
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*) autoconfigure struct dirent capabilities
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249 ngx_feature="struct dirent.d_type" |
c7c319896bb4
*) autoconfigure struct dirent capabilities
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|
250 ngx_feature_name="NGX_HAVE_D_TYPE" |
c7c319896bb4
*) autoconfigure struct dirent capabilities
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251 ngx_feature_run=no |
c7c319896bb4
*) autoconfigure struct dirent capabilities
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|
252 ngx_feature_incs="#include <dirent.h>" |
c7c319896bb4
*) autoconfigure struct dirent capabilities
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|
253 ngx_feature_path= |
c7c319896bb4
*) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
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|
254 ngx_feature_libs= |
c7c319896bb4
*) autoconfigure struct dirent capabilities
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875
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|
255 ngx_feature_test="struct dirent dir; dir.d_type = DT_REG" |
c7c319896bb4
*) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
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|
256 . auto/feature |