ensure revents fields are initialized before calling poll()

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6476 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/asterisk.c b/asterisk.c
index d50499d..d6a41b5 100755 (executable)
--- a/asterisk.c
+++ b/asterisk.c
@@ -436,8 +436,10 @@ static void *netconsole(void *vconsole)
        for(;;) {
                fds[0].fd = con->fd;
                fds[0].events = POLLIN;
+               fds[0].revents = 0;
                fds[1].fd = con->p[0];
                fds[1].events = POLLIN;
+               fds[1].revents = 0;
 
                res = poll(fds, 2, -1);
                if (res < 0) {

diff --git a/channel.c b/channel.c
index 338a568..7f94cde 100755 (executable)
--- a/channel.c
+++ b/channel.c
@@ -1246,6 +1246,7 @@ struct ast_channel *ast_waitfor_nandfds(struct ast_channel **c, int n, int *fds,
                        if (c[x]->fds[y] > -1) {
                                pfds[max].fd = c[x]->fds[y];
                                pfds[max].events = POLLIN | POLLPRI;
+                               pfds[max].revents = 0;
                                max++;
                        }
                }
@@ -1255,6 +1256,7 @@ struct ast_channel *ast_waitfor_nandfds(struct ast_channel **c, int n, int *fds,
                if (fds[x] > -1) {
                        pfds[max].fd = fds[x];
                        pfds[max].events = POLLIN | POLLPRI;
+                       pfds[max].revents = 0;
                        max++;
                }
        }

diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index c741cb6..45c7597 100755 (executable)
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -2645,6 +2645,7 @@ int       x;
                                        size = READ_SIZE;
                                fds[0].fd = fd;
                                fds[0].events = POLLPRI | POLLOUT;
+                               fds[0].revents = 0;
                                res = poll(fds, 1, -1);
                                if (!res) {
                                        ast_log(LOG_DEBUG, "poll (for write) ret. 0 on channel %d\n", p->channel);
@@ -6271,6 +6272,7 @@ static void *do_monitor(void *data)
                                        /* This needs to be watched, as it lacks an owner */
                                        pfds[count].fd = i->subs[SUB_REAL].zfd;
                                        pfds[count].events = POLLPRI;
+                                       pfds[count].revents = 0;
                                        /* Message waiting or r2 channels also get watched for reading */
 #ifdef ZAPATA_R2
                                        if (i->cidspill || i->r2)
@@ -7831,6 +7833,7 @@ static void *pri_dchannel(void *vpri)
                                break;
                        fds[i].fd = pri->fds[i];
                        fds[i].events = POLLIN | POLLPRI;
+                       fds[i].revents = 0;
                }
                numdchans = i;
                time(&t);
@@ -10785,6 +10788,7 @@ static int zt_sendtext(struct ast_channel *c, const char *text)
                        size = READ_SIZE;
                fds[0].fd = fd;
                fds[0].events = POLLOUT | POLLPRI;
+               fds[0].revents = 0;
                res = poll(fds, 1, -1);
                if (!res) {
                        ast_log(LOG_DEBUG, "poll (for write) ret. 0 on channel %d\n", p->channel);

diff --git a/io.c b/io.c
index 9fd4e6d..9c95811 100755 (executable)
--- a/io.c
+++ b/io.c
@@ -165,6 +165,7 @@ int *ast_io_add(struct io_context *ioc, int fd, ast_io_cb callback, short events
         */
        ioc->fds[ioc->fdcnt].fd = fd;
        ioc->fds[ioc->fdcnt].events = events;
+       ioc->fds[ioc->fdcnt].revents = 0;
        ioc->ior[ioc->fdcnt].callback = callback;
        ioc->ior[ioc->fdcnt].data = data;
        ioc->ior[ioc->fdcnt].id = (int *)malloc(sizeof(int));