Mercurial > hg > nginx
view auto/modules @ 3293:8abb88374c6c
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> |
---|---|
date | Wed, 04 Nov 2009 19:41:08 +0000 |
parents | 6060225e9261 |
children | e6967a1dc8e9 |
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# Copyright (C) Igor Sysoev if [ $EVENT_SELECT = NO -a $EVENT_FOUND = NO ]; then EVENT_SELECT=YES fi if [ $EVENT_SELECT = YES ]; then have=NGX_HAVE_SELECT . auto/have CORE_SRCS="$CORE_SRCS $SELECT_SRCS" EVENT_MODULES="$EVENT_MODULES $SELECT_MODULE" fi if [ $EVENT_POLL = NO -a $EVENT_FOUND = NO ]; then EVENT_POLL=YES fi if [ $EVENT_POLL = YES ]; then have=NGX_HAVE_POLL . auto/have CORE_SRCS="$CORE_SRCS $POLL_SRCS" EVENT_MODULES="$EVENT_MODULES $POLL_MODULE" fi if [ $NGX_TEST_BUILD_DEVPOLL = YES ]; then have=NGX_HAVE_DEVPOLL . auto/have have=NGX_TEST_BUILD_DEVPOLL . auto/have EVENT_MODULES="$EVENT_MODULES $DEVPOLL_MODULE" CORE_SRCS="$CORE_SRCS $DEVPOLL_SRCS" fi if [ $NGX_TEST_BUILD_EVENTPORT = YES ]; then have=NGX_HAVE_EVENTPORT . auto/have have=NGX_TEST_BUILD_EVENTPORT . auto/have EVENT_MODULES="$EVENT_MODULES $EVENTPORT_MODULE" CORE_SRCS="$CORE_SRCS $EVENTPORT_SRCS" fi if [ $NGX_TEST_BUILD_EPOLL = YES ]; then have=NGX_HAVE_EPOLL . auto/have have=NGX_HAVE_EVENTFD . auto/have have=NGX_TEST_BUILD_EPOLL . auto/have EVENT_MODULES="$EVENT_MODULES $EPOLL_MODULE" CORE_SRCS="$CORE_SRCS $EPOLL_SRCS" fi if [ $NGX_TEST_BUILD_RTSIG = YES ]; then have=NGX_HAVE_RTSIG . auto/have have=NGX_TEST_BUILD_RTSIG . auto/have EVENT_MODULES="$EVENT_MODULES $RTSIG_MODULE" CORE_SRCS="$CORE_SRCS $RTSIG_SRCS" fi if [ $NGX_TEST_BUILD_SOLARIS_SENDFILEV = YES ]; then have=NGX_TEST_BUILD_SOLARIS_SENDFILEV . auto/have CORE_SRCS="$CORE_SRCS $SOLARIS_SENDFILEV_SRCS" fi if [ $HTTP != YES ]; then have=NGX_CRYPT . auto/nohave CRYPT_LIB= fi if [ $HTTP_CACHE = YES ]; then USE_MD5=YES have=NGX_HTTP_CACHE . auto/have HTTP_SRCS="$HTTP_SRCS $HTTP_FILE_CACHE_SRCS" fi if [ $HTTP_SSI = YES ]; then HTTP_POSTPONE=YES fi if [ $HTTP_ADDITION = YES ]; then HTTP_POSTPONE=YES fi # the module order is important # ngx_http_static_module # ngx_http_gzip_static_module # ngx_http_dav_module # ngx_http_autoindex_module # ngx_http_index_module # ngx_http_random_index_module # # ngx_http_access_module # ngx_http_realip_module # # # the filter order is important # ngx_http_write_filter # ngx_http_header_filter # ngx_http_chunked_filter # ngx_http_range_header_filter # ngx_http_gzip_filter # ngx_http_postpone_filter # ngx_http_charset_filter # ngx_http_ssi_filter # ngx_http_xslt_filter # ngx_http_image_filter_filter # ngx_http_sub_filter # ngx_http_addition_filter # ngx_http_userid_filter # ngx_http_headers_filter # ngx_http_copy_filter # ngx_http_range_body_filter # ngx_http_not_modified_filter HTTP_FILTER_MODULES="$HTTP_WRITE_FILTER_MODULE \ $HTTP_HEADER_FILTER_MODULE \ $HTTP_CHUNKED_FILTER_MODULE \ $HTTP_RANGE_HEADER_FILTER_MODULE" if [ $HTTP_GZIP = YES ]; then have=NGX_HTTP_GZIP . auto/have USE_ZLIB=YES HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_GZIP_FILTER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_GZIP_SRCS" fi if [ $HTTP_POSTPONE = YES ]; then HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_POSTPONE_FILTER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_POSTPONE_FILTER_SRCS" fi if [ $HTTP_CHARSET = YES ]; then have=NGX_HTTP_CHARSET . auto/have HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_CHARSET_FILTER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_CHARSET_SRCS" fi if [ $HTTP_SSI = YES ]; then have=NGX_HTTP_SSI . auto/have HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_SSI_FILTER_MODULE" HTTP_DEPS="$HTTP_DEPS $HTTP_SSI_DEPS" HTTP_SRCS="$HTTP_SRCS $HTTP_SSI_SRCS" fi if [ $HTTP_XSLT = YES ]; then USE_LIBXSLT=YES HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_XSLT_FILTER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_XSLT_SRCS" fi if [ $HTTP_IMAGE_FILTER = YES ]; then USE_LIBGD=YES HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_IMAGE_FILTER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_IMAGE_SRCS" fi if [ $HTTP_SUB = YES ]; then HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_SUB_FILTER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_SUB_SRCS" fi if [ $HTTP_ADDITION = YES ]; then HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_ADDITION_FILTER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_ADDITION_SRCS" fi if [ $HTTP_USERID = YES ]; then HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_USERID_FILTER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_USERID_SRCS" fi HTTP_MODULES="$HTTP_MODULES $HTTP_STATIC_MODULE" if [ $HTTP_GZIP_STATIC = YES ]; then have=NGX_HTTP_GZIP . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_GZIP_STATIC_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_GZIP_STATIC_SRCS" fi if [ $HTTP_DAV = YES ]; then have=NGX_HTTP_DAV . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_DAV_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_DAV_SRCS" fi if [ $HTTP_AUTOINDEX = YES ]; then have=NGX_HTTP_AUTOINDEX . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_AUTOINDEX_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_AUTOINDEX_SRCS" fi HTTP_MODULES="$HTTP_MODULES $HTTP_INDEX_MODULE" if [ $HTTP_RANDOM_INDEX = YES ]; then have=NGX_HTTP_RANDOM_INDEX . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_RANDOM_INDEX_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_RANDOM_INDEX_SRCS" fi if [ $HTTP_AUTH_BASIC = YES ]; then have=NGX_HTTP_AUTH_BASIC . auto/have have=NGX_CRYPT . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_AUTH_BASIC_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_AUTH_BASIC_SRCS" CORE_LIBS="$CORE_LIBS $CRYPT_LIB" fi if [ $HTTP_ACCESS = YES ]; then have=NGX_HTTP_ACCESS . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_ACCESS_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_ACCESS_SRCS" fi if [ $HTTP_LIMIT_ZONE = YES ]; then HTTP_MODULES="$HTTP_MODULES $HTTP_LIMIT_ZONE_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_LIMIT_ZONE_SRCS" fi if [ $HTTP_LIMIT_REQ = YES ]; then HTTP_MODULES="$HTTP_MODULES $HTTP_LIMIT_REQ_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_LIMIT_REQ_SRCS" fi if [ $HTTP_REALIP = YES ]; then have=NGX_HTTP_REALIP . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_REALIP_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_REALIP_SRCS" fi if [ $HTTP_STATUS = YES ]; then have=NGX_HTTP_STATUS . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_STATUS_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_STATUS_SRCS" fi if [ $HTTP_GEO = YES ]; then have=NGX_HTTP_GEO . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_GEO_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_GEO_SRCS" fi if [ $HTTP_GEOIP = YES ]; then have=NGX_HTTP_GEOIP . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_GEOIP_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_GEOIP_SRCS" fi if [ $HTTP_MAP = YES ]; then have=NGX_HTTP_MAP . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_MAP_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_MAP_SRCS" fi if [ $HTTP_REFERER = YES ]; then HTTP_MODULES="$HTTP_MODULES $HTTP_REFERER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_REFERER_SRCS" fi if [ $HTTP_REWRITE = YES -a $USE_PCRE != DISABLED ]; then have=NGX_HTTP_REWRITE . auto/have USE_PCRE=YES HTTP_MODULES="$HTTP_MODULES $HTTP_REWRITE_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_REWRITE_SRCS" fi if [ $HTTP_SSL = YES ]; then USE_OPENSSL=YES have=NGX_HTTP_SSL . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_SSL_MODULE" HTTP_DEPS="$HTTP_DEPS $HTTP_SSL_DEPS" HTTP_SRCS="$HTTP_SRCS $HTTP_SSL_SRCS" fi if [ $HTTP_PROXY = YES ]; then have=NGX_HTTP_PROXY . auto/have #USE_MD5=YES HTTP_MODULES="$HTTP_MODULES $HTTP_PROXY_MODULE" HTTP_DEPS="$HTTP_DEPS $HTTP_PROXY_DEPS" HTTP_SRCS="$HTTP_SRCS $HTTP_PROXY_SRCS" fi if [ $HTTP_FASTCGI = YES ]; then HTTP_MODULES="$HTTP_MODULES $HTTP_FASTCGI_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_FASTCGI_SRCS" fi if [ $HTTP_PERL = YES ]; then USE_PERL=YES have=NGX_HTTP_PERL . auto/have HTTP_MODULES="$HTTP_MODULES $HTTP_PERL_MODULE" HTTP_INCS="$HTTP_INCS $HTTP_PERL_INCS" HTTP_DEPS="$HTTP_DEPS $HTTP_PERL_DEPS" HTTP_SRCS="$HTTP_SRCS $HTTP_PERL_SRCS" fi if [ $HTTP_MEMCACHED = YES ]; then HTTP_MODULES="$HTTP_MODULES $HTTP_MEMCACHED_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_MEMCACHED_SRCS" fi if [ $HTTP_EMPTY_GIF = YES ]; then HTTP_MODULES="$HTTP_MODULES $HTTP_EMPTY_GIF_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_EMPTY_GIF_SRCS" fi if [ $HTTP_BROWSER = YES ]; then HTTP_MODULES="$HTTP_MODULES $HTTP_BROWSER_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_BROWSER_SRCS" fi if [ $HTTP_SECURE_LINK = YES ]; then USE_MD5=YES HTTP_MODULES="$HTTP_MODULES $HTTP_SECURE_LINK_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_SECURE_LINK_SRCS" fi if [ $HTTP_FLV = YES ]; then HTTP_MODULES="$HTTP_MODULES $HTTP_FLV_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_FLV_SRCS" fi if [ $HTTP_UPSTREAM_IP_HASH = YES ]; then HTTP_MODULES="$HTTP_MODULES $HTTP_UPSTREAM_IP_HASH_MODULE" HTTP_SRCS="$HTTP_SRCS $HTTP_UPSTREAM_IP_HASH_SRCS" fi if [ $HTTP_STUB_STATUS = YES ]; then have=NGX_STAT_STUB . auto/have HTTP_MODULES="$HTTP_MODULES ngx_http_stub_status_module" HTTP_SRCS="$HTTP_SRCS src/http/modules/ngx_http_stub_status_module.c" fi #if [ -r $NGX_OBJS/auto ]; then # . $NGX_OBJS/auto #fi if test -n "$NGX_ADDONS"; then echo configuring additional modules for ngx_addon_dir in $NGX_ADDONS do echo "adding module in $ngx_addon_dir" if test -f $ngx_addon_dir/config; then . $ngx_addon_dir/config echo " + $ngx_addon_name was configured" else echo "$0: error: no $ngx_addon_dir/config was found" exit 1 fi done fi if [ $MAIL_SSL = YES ]; then have=NGX_MAIL_SSL . auto/have USE_OPENSSL=YES fi modules="$CORE_MODULES $EVENT_MODULES" if [ $USE_OPENSSL = YES ]; then modules="$modules $OPENSSL_MODULE" CORE_DEPS="$CORE_DEPS $OPENSSL_DEPS" CORE_SRCS="$CORE_SRCS $OPENSSL_SRCS" fi if [ $HTTP = YES ]; then modules="$modules $HTTP_MODULES $HTTP_FILTER_MODULES \ $HTTP_HEADERS_FILTER_MODULE \ $HTTP_AUX_FILTER_MODULES \ $HTTP_COPY_FILTER_MODULE \ $HTTP_RANGE_BODY_FILTER_MODULE \ $HTTP_NOT_MODIFIED_FILTER_MODULE" NGX_ADDON_DEPS="$NGX_ADDON_DEPS \$(HTTP_DEPS)" fi if [ $MAIL = YES ]; then modules="$modules $MAIL_MODULES" if [ $MAIL_SSL = YES ]; then modules="$modules $MAIL_SSL_MODULE" MAIL_DEPS="$MAIL_DEPS $MAIL_SSL_DEPS" MAIL_SRCS="$MAIL_SRCS $MAIL_SSL_SRCS" fi if [ $MAIL_POP3 = YES ]; then modules="$modules $MAIL_POP3_MODULE" MAIL_DEPS="$MAIL_DEPS $MAIL_POP3_DEPS" MAIL_SRCS="$MAIL_SRCS $MAIL_POP3_SRCS" fi if [ $MAIL_IMAP = YES ]; then modules="$modules $MAIL_IMAP_MODULE" MAIL_DEPS="$MAIL_DEPS $MAIL_IMAP_DEPS" MAIL_SRCS="$MAIL_SRCS $MAIL_IMAP_SRCS" fi if [ $MAIL_SMTP = YES ]; then modules="$modules $MAIL_SMTP_MODULE" MAIL_DEPS="$MAIL_DEPS $MAIL_SMTP_DEPS" MAIL_SRCS="$MAIL_SRCS $MAIL_SMTP_SRCS" fi modules="$modules $MAIL_AUTH_HTTP_MODULE" MAIL_SRCS="$MAIL_SRCS $MAIL_AUTH_HTTP_SRCS" modules="$modules $MAIL_PROXY_MODULE" MAIL_SRCS="$MAIL_SRCS $MAIL_PROXY_SRCS" fi if [ $NGX_GOOGLE_PERFTOOLS = YES ]; then modules="$modules $NGX_GOOGLE_PERFTOOLS_MODULE" NGX_MISC_SRCS="$NGX_MISC_SRCS $NGX_GOOGLE_PERFTOOLS_SRCS" fi if [ $NGX_CPP_TEST = YES ]; then NGX_MISC_SRCS="$NGX_MISC_SRCS $NGX_CPP_TEST_SRCS" fi cat << END > $NGX_MODULES_C #include <ngx_config.h> #include <ngx_core.h> $NGX_PRAGMA END for mod in $modules do echo "extern ngx_module_t $mod;" >> $NGX_MODULES_C done echo >> $NGX_MODULES_C echo 'ngx_module_t *ngx_modules[] = {' >> $NGX_MODULES_C for mod in $modules do echo " &$mod," >> $NGX_MODULES_C done cat << END >> $NGX_MODULES_C NULL }; END