X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/fb293ccbddb43f427ea1f791d8603fbd18e703e6..e23d281e489c3cda134803b2e6302d1fc27e5948:/src/ae_epoll.c?ds=sidebyside diff --git a/src/ae_epoll.c b/src/ae_epoll.c index 5680b6a2..4823c281 100644 --- a/src/ae_epoll.c +++ b/src/ae_epoll.c @@ -1,20 +1,53 @@ /* 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 + * 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 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) { + zfree(state->events); zfree(state); return -1; } @@ -26,6 +59,7 @@ static void aeApiFree(aeEventLoop *eventLoop) { aeApiState *state = eventLoop->apidata; close(state->epfd); + zfree(state->events); zfree(state); } @@ -70,7 +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; @@ -82,6 +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; }