From 6f1414e10297b75a58a92b678444fd277abc9a4f Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sun, 3 Apr 2011 12:08:34 -0400 Subject: revert to deleting kernel-level timer from cancellation handler this is necessary in order to avoid breaking timer_getoverrun in the last run of the timer event handler, if it has not yet finished. --- src/time/timer_create.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/time/timer_create.c') diff --git a/src/time/timer_create.c b/src/time/timer_create.c index f02abb86..5d362c7e 100644 --- a/src/time/timer_create.c +++ b/src/time/timer_create.c @@ -24,6 +24,12 @@ void __sigtimer_handler(pthread_t self) pthread_setcancelstate(st, 0); } +static void cleanup(void *p) +{ + pthread_t self = p; + __syscall(SYS_timer_delete, self->result); +} + static void *start(void *arg) { pthread_t self = __pthread_self(); @@ -35,10 +41,12 @@ static void *start(void *arg) self->start_arg = args->sev->sigev_value.sival_ptr; self->result = (void *)-1; + pthread_cleanup_push(cleanup, self); pthread_barrier_wait(&args->b); pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, 0); /* Loop on async-signal-safe cancellation point */ for (;;) sleep(1); + pthread_cleanup_pop(0); return 0; } -- cgit v1.2.1