nginx-vendor-current: src/event/ngx

comparison src/event/ngx_event.h @ 332:3a91bfeffaba NGINX_0_6_10

nginx 0.6.10 *) Feature: the "open_file_cache", "open_file_cache_retest", and "open_file_cache_errors" directives. *) Bugfix: socket leak; bug appeared in 0.6.7. *) Bugfix: a charset set by the "charset" directive was not appended to the "Content-Type" header set by $r->send_http_header(). *) Bugfix: a segmentation fault might occur in worker process if /dev/poll method was used.

author	Igor Sysoev <http://sysoev.ru>
date	Mon, 03 Sep 2007 00:00:00 +0400
parents	f7cd062ee035
children	583decdb82a4

comparison

equal deleted inserted replaced

-:b69d5e83bf82
+:3a91bfeffaba
 unsigned         write:1;
 unsigned         accept:1;
-/* used to detect the stale events in kqueue, rt signals and epoll */
+/* used to detect the stale events in kqueue, rtsig, and epoll */
 unsigned         instance:1;
 /*
 * the event was passed or would be passed to a kernel;
 * in aio mode - operation was posted.
 * kqueue in FreeBSD 4.1-4.2 has no NOTE_LOWAT so we need a separate flag.
 */
 #define NGX_USE_LOWAT_EVENT      0x00000010
 /*
-* The event filter requires to do i/o operation until EAGAIN:
+* The event filter requires to do i/o operation until EAGAIN: epoll, rtsig.
-* epoll, rt signals.
 */
 #define NGX_USE_GREEDY_EVENT     0x00000020
 /*
 * The event filter is epoll.
 */
 #define NGX_USE_EPOLL_EVENT      0x00000040
 /*
-* No need to add or delete the event filters: rt signals.
+* No need to add or delete the event filters: rtsig.
 */
 #define NGX_USE_RTSIG_EVENT      0x00000080
 /*
 * No need to add or delete the event filters: overlapped, aio_read,
 */
 #define NGX_USE_IOCP_EVENT       0x00000200
 /*
 * The event filter has no opaque data and requires file descriptors table:
-* poll, /dev/poll, rt signals.
+* poll, /dev/poll, rtsig.
 */
 #define NGX_USE_FD_EVENT         0x00000400
 /*
 * The event module handles periodic or absolute timer event by itself:
-* kqueue in FreeBSD 4.4 and NetBSD 2.0, Solaris 10's event ports.
+* kqueue in FreeBSD 4.4, NetBSD 2.0, and MacOSX 10.4, Solaris 10's event ports.
 */
 #define NGX_USE_TIMER_EVENT      0x00000800
 /*
 * All event filters on file descriptor are deleted after a notification:
 * Solaris 10's event ports.
 */
-#define NGX_USE_EVENTPORT_EVENT    0x00001000
+#define NGX_USE_EVENTPORT_EVENT  0x00001000
+/*
+* The event filter support vnode notifications: kqueue.
-/*
+*/
-* The event filter is deleted before the closing file.
+#define NGX_USE_VNODE_EVENT      0x00002000
-* Has no meaning for select, poll, kqueue, epoll.
-* /dev/poll:  we need to flush POLLREMOVE event before closing file
-*/
+/*
+* The event filter is deleted just before the closing file.
+* Has no meaning for select and poll.
+* kqueue, epoll, rtsig, eventport:  allows to avoid explicit delete,
+*                                   because filter automatically is deleted
+*                                   on file close,
+*
+* /dev/poll:                        we need to flush POLLREMOVE event
+*                                   before closing file.
+*/
 #define NGX_CLOSE_EVENT    1
+/*
+* disable temporarily event filter, this may avoid locks
+* in kernel malloc()/free(): kqueue.
+*/
 #define NGX_DISABLE_EVENT  2
+/*
+* event must be passed to kernel right now, do not wait until batch processing.
+*/
+#define NGX_FLUSH_EVENT    4
 /* these flags have a meaning only for kqueue */
 #define NGX_LOWAT_EVENT    0
 #define NGX_VNODE_EVENT    0
 #undef  NGX_VNODE_EVENT
 #define NGX_VNODE_EVENT    EVFILT_VNODE
 /*
-* NGX_CLOSE_EVENT and NGX_LOWAT_EVENT are the module flags and they would
+* NGX_CLOSE_EVENT, NGX_LOWAT_EVENT, and NGX_FLUSH_EVENT are the module flags
-* not go into a kernel so we need to choose the value that would not interfere
+* and they must not go into a kernel so we need to choose the value
-* with any existent and future kqueue flags.  kqueue has such values -
+* that must not interfere with any existent and future kqueue flags.
-* EV_FLAG1, EV_EOF and EV_ERROR.  They are reserved and cleared on a kernel
+* kqueue has such values - EV_FLAG1, EV_EOF, and EV_ERROR:
-* entrance.
+* they are reserved and cleared on a kernel entrance.
 */
 #undef  NGX_CLOSE_EVENT
 #define NGX_CLOSE_EVENT    EV_EOF
 #undef  NGX_LOWAT_EVENT
 #define NGX_LOWAT_EVENT    EV_FLAG1
+#undef  NGX_FLUSH_EVENT
+#define NGX_FLUSH_EVENT    EV_ERROR
 #define NGX_LEVEL_EVENT    0
 #define NGX_ONESHOT_EVENT  EV_ONESHOT
 #define NGX_CLEAR_EVENT    EV_CLEAR

Mercurial > hg > nginx-vendor-current

comparison src/event/ngx_event.h @ 332:3a91bfeffaba NGINX_0_6_10