Mercurial > hg > nginx
view auto/unix @ 3755:76e3a93821b1
fix race condition if during reconfiguration two cache managers try
to delete old inactive entries: one of them removes a entry just locked by
other manager from the queue and the rbtree as long inactive entry,
causes the latter manager to segfault leaving cache mutex locked,
the bug has been introduced in r3727
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 02 Sep 2010 14:31:47 +0000 |
parents | 65481698535c |
children | e294f37401c0 |
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# Copyright (C) Igor Sysoev have=NGX_HAVE_UNIX_DOMAIN . auto/have ngx_feature_libs= # C types ngx_type="int"; . auto/types/sizeof ngx_type="long"; . auto/types/sizeof ngx_type="long long"; . auto/types/sizeof ngx_type="void *"; . auto/types/sizeof; ngx_ptr_size=$ngx_size ngx_param=NGX_PTR_SIZE; ngx_value=$ngx_size; . auto/types/value # POSIX types case "$NGX_AUTO_CONFIG_H" in /*) NGX_INCLUDE_AUTO_CONFIG_H="#include \"$NGX_AUTO_CONFIG_H\"" ;; *) NGX_INCLUDE_AUTO_CONFIG_H="#include \"../$NGX_AUTO_CONFIG_H\"" ;; esac ngx_type="uint64_t"; ngx_types="u_int64_t"; . auto/types/typedef ngx_type="sig_atomic_t"; ngx_types="int"; . auto/types/typedef . auto/types/sizeof ngx_param=NGX_SIG_ATOMIC_T_SIZE; ngx_value=$ngx_size; . auto/types/value ngx_type="socklen_t"; ngx_types="int"; . auto/types/typedef ngx_type="in_addr_t"; ngx_types="uint32_t"; . auto/types/typedef ngx_type="in_port_t"; ngx_types="u_short"; . auto/types/typedef ngx_type="rlim_t"; ngx_types="int"; . auto/types/typedef . auto/types/uintptr_t . auto/endianess ngx_type="size_t"; . auto/types/sizeof ngx_param=NGX_MAX_SIZE_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value ngx_param=NGX_SIZE_T_LEN; ngx_value=$ngx_max_len; . auto/types/value ngx_type="off_t"; . auto/types/sizeof ngx_param=NGX_MAX_OFF_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value ngx_param=NGX_OFF_T_LEN; ngx_value=$ngx_max_len; . auto/types/value ngx_type="time_t"; . auto/types/sizeof ngx_param=NGX_TIME_T_SIZE; ngx_value=$ngx_size; . auto/types/value ngx_param=NGX_TIME_T_LEN; ngx_value=$ngx_max_len; . auto/types/value # syscalls, libc calls and some features if [ $NGX_IPV6 = YES ]; then ngx_feature="AF_INET6" ngx_feature_name="NGX_HAVE_INET6" ngx_feature_run=no ngx_feature_incs="#include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="struct sockaddr_in6 sin6; sin6.sin6_family = AF_INET6;" . auto/feature fi ngx_feature="setproctitle()" ngx_feature_name="NGX_HAVE_SETPROCTITLE" ngx_feature_run=no ngx_feature_incs= ngx_feature_path= ngx_feature_libs=$NGX_SETPROCTITLE_LIB ngx_feature_test="setproctitle(\"test\");" . auto/feature ngx_feature="pread()" ngx_feature_name="NGX_HAVE_PREAD" ngx_feature_run=no ngx_feature_incs= ngx_feature_path= ngx_feature_libs= ngx_feature_test="char buf[1]; ssize_t n; n = pread(0, buf, 1, 0)" . auto/feature ngx_feature="pwrite()" ngx_feature_name="NGX_HAVE_PWRITE" ngx_feature_run=no ngx_feature_incs= ngx_feature_path= ngx_feature_libs= ngx_feature_test="char buf[1]; ssize_t n; n = pwrite(1, buf, 1, 0)" . auto/feature ngx_feature="strerror_r()" ngx_feature_name="NGX_HAVE_STRERROR_R" ngx_feature_run=yes ngx_feature_incs="#include <string.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="char buf[1024]; long n; n = strerror_r(1, buf, 1024); if (n < 0 || n > 1024) return 1;" . auto/feature # GNU style strerror_r() returns not length, but pointer ngx_feature="gnu style strerror_r()" ngx_feature_name="NGX_HAVE_GNU_STRERROR_R" ngx_feature_run=yes ngx_feature_incs="#include <string.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="char buf[1024]; long n; n = strerror_r(1, buf, 1024); if (n >= 0 && n < 1024) return 1;" . auto/feature ngx_feature="sys_errlist[]" ngx_feature_name="NGX_HAVE_SYS_ERRLIST" ngx_feature_run=yes ngx_feature_incs="#include <stdio.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="int n = sys_nerr; const char *p = sys_errlist[1];" . auto/feature ngx_feature="localtime_r()" ngx_feature_name="NGX_HAVE_LOCALTIME_R" ngx_feature_run=no ngx_feature_incs="#include <time.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="struct tm t; time_t c=0; localtime_r(&c, &t)" . auto/feature ngx_feature="posix_memalign()" ngx_feature_name="NGX_HAVE_POSIX_MEMALIGN" ngx_feature_run=no ngx_feature_incs="#include <stdlib.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="void *p; int n; n = posix_memalign(&p, 4096, 4096)" . auto/feature ngx_feature="memalign()" ngx_feature_name="NGX_HAVE_MEMALIGN" ngx_feature_run=no ngx_feature_incs="#include <stdlib.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="void *p; p = memalign(4096, 4096)" . auto/feature ngx_feature="mmap(MAP_ANON|MAP_SHARED)" ngx_feature_name="NGX_HAVE_MAP_ANON" ngx_feature_run=yes ngx_feature_incs="#include <sys/mman.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="void *p; p = mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_ANON|MAP_SHARED, -1, 0); if (p == MAP_FAILED) return 1;" . auto/feature ngx_feature='mmap("/dev/zero", MAP_SHARED)' ngx_feature_name="NGX_HAVE_MAP_DEVZERO" ngx_feature_run=yes ngx_feature_incs="#include <sys/mman.h> #include <sys/stat.h> #include <fcntl.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test='void *p; int fd; fd = open("/dev/zero", O_RDWR); p = mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); if (p == MAP_FAILED) return 1;' . auto/feature ngx_feature="System V shared memory" ngx_feature_name="NGX_HAVE_SYSVSHM" ngx_feature_run=yes ngx_feature_incs="#include <sys/ipc.h> #include <sys/shm.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="int id; id = shmget(IPC_PRIVATE, 4096, (SHM_R|SHM_W|IPC_CREAT)); if (id == -1) return 1; shmctl(id, IPC_RMID, NULL);" . auto/feature ngx_feature="struct msghdr.msg_control" ngx_feature_name="NGX_HAVE_MSGHDR_MSG_CONTROL" ngx_feature_run=no ngx_feature_incs="#include <sys/socket.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="struct msghdr msg; msg.msg_control = NULL" . auto/feature ngx_feature="ioctl(FIONBIO)" ngx_feature_name="NGX_HAVE_FIONBIO" ngx_feature_run=no ngx_feature_incs="#include <sys/ioctl.h> $NGX_INCLUDE_SYS_FILIO_H" ngx_feature_path= ngx_feature_libs= ngx_feature_test="int i; i = FIONBIO" . auto/feature ngx_feature="struct tm.tm_gmtoff" ngx_feature_name="NGX_HAVE_GMTOFF" ngx_feature_run=no ngx_feature_incs="#include <time.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="struct tm tm; tm.tm_gmtoff = 0" . auto/feature ngx_feature="struct dirent.d_namlen" ngx_feature_name="NGX_HAVE_D_NAMLEN" ngx_feature_run=no ngx_feature_incs="#include <dirent.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="struct dirent dir; dir.d_namlen = 0" . auto/feature ngx_feature="struct dirent.d_type" ngx_feature_name="NGX_HAVE_D_TYPE" ngx_feature_run=no ngx_feature_incs="#include <dirent.h>" ngx_feature_path= ngx_feature_libs= ngx_feature_test="struct dirent dir; dir.d_type = DT_REG" . auto/feature