diff options
| -rw-r--r-- | src/sighook.c | 2 | ||||
| -rw-r--r-- | tests/sighook.c | 7 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/sighook.c b/src/sighook.c index 4356fdb..0cc81fa 100644 --- a/src/sighook.c +++ b/src/sighook.c @@ -291,6 +291,8 @@ static void sigpop(struct siglist *list, struct sighook *hook) { rcu_update(hook->self, next); if (next) { next->self = hook->self; + } else { + list->tail = &list->head; } } diff --git a/tests/sighook.c b/tests/sighook.c index d785a55..0cb8de2 100644 --- a/tests/sighook.c +++ b/tests/sighook.c @@ -60,6 +60,13 @@ void check_sighook(void) { return; } + // Check that we can unregister and re-register a hook + sigunhook(hook); + hook = sighook(SIGALRM, alrm_hook, NULL, SH_CONTINUE); + if (!bfs_echeck(hook, "sighook(SIGALRM)")) { + return; + } + // Create a timer that sends SIGALRM every 100 microseconds struct timespec ival = { .tv_nsec = 100 * 1000 }; struct timer *timer = xtimer_start(&ival); |