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Fix: compat poll: add missing empty revents checks
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
ust-thread.c
diff --git
a/src/bin/lttng-sessiond/ust-thread.c
b/src/bin/lttng-sessiond/ust-thread.c
index 080afa53a692487d2e7bc12f29ae0bee9c932f72..d0ea32480892a4511685b2ea36ff98ac0f30085b 100644
(file)
--- a/
src/bin/lttng-sessiond/ust-thread.c
+++ b/
src/bin/lttng-sessiond/ust-thread.c
@@
-91,6
+91,11
@@
restart:
revents = LTTNG_POLL_GETEV(&events, i);
pollfd = LTTNG_POLL_GETFD(&events, i);
revents = LTTNG_POLL_GETEV(&events, i);
pollfd = LTTNG_POLL_GETFD(&events, i);
+ if (!revents) {
+ /* No activity for this FD (poll implementation). */
+ continue;
+ }
+
/* Thread quit pipe has been closed. Killing thread. */
ret = sessiond_check_thread_quit_pipe(pollfd, revents);
if (ret) {
/* Thread quit pipe has been closed. Killing thread. */
ret = sessiond_check_thread_quit_pipe(pollfd, revents);
if (ret) {
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