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-rw-r--r--src/NextEvent.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/src/NextEvent.c b/src/NextEvent.c
index b1f7bc7..c8c9dd5 100644
--- a/src/NextEvent.c
+++ b/src/NextEvent.c
@@ -356,7 +356,21 @@ static int IoWait (
return Select (wf->nfds, &wf->rmask, &wf->wmask, &wf->emask,
wt->wait_time_ptr);
#else
- return poll (wf->fdlist, wf->fdlistlen, wt->poll_wait);
+ int ret = poll (wf->fdlist, wf->fdlistlen, wt->poll_wait);
+ /* If poll() returns an event we didn't expect, such as POLLNVAL, treat
+ * it as if it failed. */
+ if(ret >= 0) {
+ nfds_t i;
+ for (i=0; i < wf->fdlistlen; i++) {
+ struct pollfd *fd = &wf->fdlist[i];
+ if (fd->revents & ~fd->events) {
+ ret = -1;
+ errno = EIO;
+ break;
+ }
+ }
+ }
+ return ret;
#endif
}