Further integrate MDB key archival into config.

[redis.git] / src / ae_epoll.c

diff --git a/src/ae_epoll.c b/src/ae_epoll.c
index d48977b6533c689f3b89e814a5bdd4b94855946b..4823c281eac87f0cbf448a918c7b75b9275ca804 100644 (file)
--- a/src/ae_epoll.c
+++ b/src/ae_epoll.c
@@ -1,20 +1,56 @@
 /* Linux epoll(2) based ae.c module
- * Copyright (C) 2009-2010 Salvatore Sanfilippo - antirez@gmail.com
- * Released under the BSD license. See the COPYING file for more info. */
+ *
+ * Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither the name of Redis nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
 
 #include <sys/epoll.h>
 
 typedef struct aeApiState {
     int epfd;
-    struct epoll_event events[AE_SETSIZE];
+    struct epoll_event *events;
 } aeApiState;
 
 static int aeApiCreate(aeEventLoop *eventLoop) {
     aeApiState *state = zmalloc(sizeof(aeApiState));
 
     if (!state) return -1;
+    state->events = zmalloc(sizeof(struct epoll_event)*eventLoop->setsize);
+    if (!state->events) {
+        zfree(state);
+        return -1;
+    }
     state->epfd = epoll_create(1024); /* 1024 is just an hint for the kernel */
-    if (state->epfd == -1) return -1;
+    if (state->epfd == -1) {
+        zfree(state->events);
+        zfree(state);
+        return -1;
+    }
     eventLoop->apidata = state;
     return 0;
 }
@@ -23,6 +59,7 @@ static void aeApiFree(aeEventLoop *eventLoop) {
     aeApiState *state = eventLoop->apidata;
 
     close(state->epfd);
+    zfree(state->events);
     zfree(state);
 }
 
@@ -67,7 +104,7 @@ static int aeApiPoll(aeEventLoop *eventLoop, struct timeval *tvp) {
     aeApiState *state = eventLoop->apidata;
     int retval, numevents = 0;
 
-    retval = epoll_wait(state->epfd,state->events,AE_SETSIZE,
+    retval = epoll_wait(state->epfd,state->events,eventLoop->setsize,
             tvp ? (tvp->tv_sec*1000 + tvp->tv_usec/1000) : -1);
     if (retval > 0) {
         int j;
@@ -79,6 +116,8 @@ static int aeApiPoll(aeEventLoop *eventLoop, struct timeval *tvp) {
 
             if (e->events & EPOLLIN) mask |= AE_READABLE;
             if (e->events & EPOLLOUT) mask |= AE_WRITABLE;
+            if (e->events & EPOLLERR) mask |= AE_WRITABLE;
+            if (e->events & EPOLLHUP) mask |= AE_WRITABLE;
             eventLoop->fired[j].fd = e->data.fd;
             eventLoop->fired[j].mask = mask;
         }