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authorIgor Sysoev <igor@sysoev.ru>2004-02-11 07:19:26 +0000
committerIgor Sysoev <igor@sysoev.ru>2004-02-11 07:19:26 +0000
commitdfe63ad1833a8d6d9398371ba595a1d8a19d6148 (patch)
tree6e3d88fea11d0a4f35e0672937aa945b8f5d4916 /src/event/modules/ngx_epoll_module.c
parent54498db7a2a2e7e74fba61ec073b248da05e999e (diff)
downloadnginx-dfe63ad1833a8d6d9398371ba595a1d8a19d6148.tar.gz
nginx-0.0.2-2004-02-11-10:19:26 import
Diffstat (limited to 'src/event/modules/ngx_epoll_module.c')
-rw-r--r--src/event/modules/ngx_epoll_module.c99
1 files changed, 21 insertions, 78 deletions
diff --git a/src/event/modules/ngx_epoll_module.c b/src/event/modules/ngx_epoll_module.c
index 0b2b7d258..111432b91 100644
--- a/src/event/modules/ngx_epoll_module.c
+++ b/src/event/modules/ngx_epoll_module.c
@@ -111,8 +111,8 @@ ngx_event_module_t ngx_epoll_module_ctx = {
ngx_epoll_del_event, /* delete an event */
ngx_epoll_add_event, /* enable an event */
ngx_epoll_del_event, /* disable an event */
- NULL, /* add an connection */
- NULL, /* delete an connection */
+ ngx_epoll_add_connection, /* add an connection */
+ ngx_epoll_del_connection, /* delete an connection */
ngx_epoll_process_events, /* process the events */
ngx_epoll_init, /* init the events */
ngx_epoll_done, /* done the events */
@@ -167,11 +167,7 @@ static int ngx_epoll_init(ngx_cycle_t *cycle)
ngx_event_actions = ngx_epoll_module_ctx.actions;
-#if (HAVE_CLEAR_EVENT)
- ngx_event_flags = NGX_USE_CLEAR_EVENT;
-#else
- ngx_event_flags = NGX_USE_LEVEL_EVENT;
-#endif
+ ngx_event_flags = NGX_USE_EDGE_EVENT;
return NGX_OK;
}
@@ -195,53 +191,33 @@ static void ngx_epoll_done(ngx_cycle_t *cycle)
static int ngx_epoll_add_event(ngx_event_t *ev, int event, u_int flags)
{
- int op, prev;
- ngx_event_t *e;
- ngx_connection_t *c;
struct epoll_event ee;
+ ngx_connection_t *c;
c = ev->data;
+#if (NGX_READ_EVENT != EPOLLIN) || (NGX_WRITE_EVENT != EPOLLOUT)
if (event == NGX_READ_EVENT) {
- e = c->write;
- prev = EPOLLOUT;
-#if (NGX_READ_EVENT != EPOLLIN)
event = EPOLLIN;
-#endif
} else {
- e = c->read;
- prev = EPOLLIN;
-#if (NGX_WRITE_EVENT != EPOLLOUT)
event = EPOLLOUT;
-#endif
- }
-
- if (e->active) {
- op = EPOLL_CTL_MOD;
- event |= prev;
-
- } else {
- op = EPOLL_CTL_ADD;
}
+#endif
- ee.events = event | flags;
- ee.data.ptr = (void *) ((uintptr_t) c | ev->instance);
+ ee.events = event|EPOLLET;
+ ee.data.ptr = (void *) ((uintptr_t) c | c->read->instance);
- ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
- "epoll add event: fd:%d op:%d ev:%08X",
- c->fd, op, ee.events);
+ ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
+ "epoll add event: fd:%d ev:%08X", c->fd, ee.events);
- if (epoll_ctl(ep, op, c->fd, &ee) == -1) {
- ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
- "epoll_ctl(%d, %d) failed", op, c->fd);
+ if (epoll_ctl(ep, EPOLL_CTL_ADD, c->fd, &ee) == -1) {
+ ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
+ "epoll_ctl(EPOLL_CTL_MOD, %d) failed", c->fd);
return NGX_ERROR;
}
ev->active = 1;
-#if 0
- ev->oneshot = (flags & NGX_ONESHOT_EVENT) ? 1 : 0;
-#endif
return NGX_OK;
}
@@ -249,51 +225,20 @@ static int ngx_epoll_add_event(ngx_event_t *ev, int event, u_int flags)
static int ngx_epoll_del_event(ngx_event_t *ev, int event, u_int flags)
{
- int op, prev;
- ngx_event_t *e;
- ngx_connection_t *c;
struct epoll_event ee;
-
- /*
- * when the file descriptor is closed the epoll automatically deletes
- * it from its queue so we do not need to delete explicity the event
- * before the closing the file descriptor.
- */
-
- if (flags & NGX_CLOSE_EVENT) {
- ev->active = 0;
- return NGX_OK;
- }
+ ngx_connection_t *c;
c = ev->data;
- if (event == NGX_READ_EVENT) {
- e = c->write;
- prev = EPOLLOUT;
+ ee.events = 0;
+ ee.data.ptr = NULL;
- } else {
- e = c->read;
- prev = EPOLLIN;
- }
+ ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
+ "epoll del event: fd:%d", c->fd);
- if (e->active) {
- op = EPOLL_CTL_MOD;
- ee.events = prev | flags;
- ee.data.ptr = (void *) ((uintptr_t) c | ev->instance);
-
- } else {
- op = EPOLL_CTL_DEL;
- ee.events = 0;
- ee.data.ptr = NULL;
- }
-
- ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
- "epoll del event: fd:%d op:%d ev:%08X",
- c->fd, op, ee.events);
-
- if (epoll_ctl(ep, op, c->fd, &ee) == -1) {
- ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
- "epoll_ctl(%d, %d) failed", op, c->fd);
+ if (epoll_ctl(ep, EPOLL_CTL_DEL, c->fd, &ee) == -1) {
+ ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
+ "epoll_ctl(EPOLL_CTL_MOD, %d) failed", c->fd);
return NGX_ERROR;
}
@@ -303,7 +248,6 @@ static int ngx_epoll_del_event(ngx_event_t *ev, int event, u_int flags)
}
-#if 0
static int ngx_epoll_add_connection(ngx_connection_t *c)
{
struct epoll_event ee;
@@ -334,7 +278,6 @@ static int ngx_epoll_del_connection(ngx_connection_t *c)
return NGX_OK;
}
-#endif
int ngx_epoll_process_events(ngx_log_t *log)