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| author | Mattias Andrée <maandree@kth.se> | 2016-08-05 13:29:06 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2016-08-05 13:29:06 +0200 |
| commit | cb28632c128848993c7a829af15eaadfc0db7115 (patch) | |
| tree | c31b10c3de324da485699c3d4111d1c89d44521f /src | |
| parent | derp (diff) | |
| download | cg-tools-cb28632c128848993c7a829af15eaadfc0db7115.tar.gz cg-tools-cb28632c128848993c7a829af15eaadfc0db7115.tar.bz2 cg-tools-cb28632c128848993c7a829af15eaadfc0db7115.tar.xz | |
Reset revents before polling
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src')
| -rw-r--r-- | src/cg-base.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/cg-base.c b/src/cg-base.c index 9056e42..5aa9246 100644 --- a/src/cg-base.c +++ b/src/cg-base.c @@ -265,6 +265,7 @@ int synchronise(int timeout) if (flush_pending > 0) pollfd.events |= POLLOUT; + pollfd.revents = 0; if (poll(&pollfd, (nfds_t)1, timeout) < 0) return -1; @@ -277,8 +278,11 @@ int synchronise(int timeout) if ((timeout < 0) && (pending_recvs > 0)) if (!(pollfd.revents & (POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI))) - if (poll(&pollfd, (nfds_t)1, -1) < 0) - return -1; + { + pollfd.revents = 0; + if (poll(&pollfd, (nfds_t)1, -1) < 0) + return -1; + } sync: if (pollfd.revents & (POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI | POLLERR | POLLHUP | POLLNVAL)) @@ -430,6 +434,7 @@ static int get_crtc_info(void) else pollfd.events &= ~POLLOUT; + pollfd.revents = 0; if (poll(&pollfd, (nfds_t)1, -1) < 0) goto fail; |