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check for errors in all pollfd structs from qt_safe_poll()

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2021-09-24 16:41:23 +03:00
parent 468c246c4a
commit ac9859be7c
1 changed files with 5 additions and 3 deletions
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8
src/core/kernel/qcore_unix_p.h
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@ -262,9 +262,11 @@ static inline int qt_safe_poll(struct pollfd *fds, nfds_t nfds, int timeout)
{
int ret;
Q_EINTR_LOOP(ret, ::poll(fds, nfds, timeout));
if ((fds->revents & POLLERR) != 0 || (fds->revents & POLLHUP) != 0 || (fds->revents & POLLNVAL) != 0) {
// select() compat
return -1;
for (nfds_t i = 0; i < nfds; i++) {
if ((fds[i].revents & POLLERR) != 0 || (fds[i].revents & POLLHUP) != 0 || (fds[i].revents & POLLNVAL) != 0) {
// select() compat
return -1;
}
}
return ret;
}