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tests: use nanosleep instead of usleep

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man usleep says that bahaviour of using usleep with SIGALRM signal
is unspecified. So create our own usleep that calls nanosleep instead.

Signed-off-by: Marek Chalupa <mchqwerty@gmail.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Marek Chalupa 2014-09-09 11:11:52 +02:00 • committed by Pekka Paalanen
parent 44bf13ba0f
commit d837741166
1 changed files with 19 additions and 4 deletions
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23
tests/display-test.c
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@ -333,6 +333,21 @@ register_reading(struct wl_display *display)
assert(wl_display_flush(display) >= 0);
}
#define USEC_TO_NSEC(n) (1000 * (n))
/* since we are using alarm() and SIGABRT, we can not
* use usleep function (see 'man usleep') */
static void
test_usleep(useconds_t usec)
{
struct timespec ts = {
.tv_sec = 0,
.tv_nsec = USEC_TO_NSEC(usec)
};
assert(nanosleep(&ts, NULL) == 0);
}
/* create thread that will call prepare+read so that
* it will block */
static pthread_t
@ -349,8 +364,8 @@ create_thread(struct client *c, void *(*func)(void*))
* so call usleep once again after the loop ends - it should
* be sufficient... */
while (c->display_stopped == 0)
usleep(500);
usleep(10000);
test_usleep(500);
test_usleep(10000);
return thread;
}
@ -517,8 +532,8 @@ threading_read_after_error(void)
/* make sure thread is sleeping */
while (c->display_stopped == 0)
usleep(500);
usleep(10000);
test_usleep(500);
test_usleep(10000);
assert(wl_display_read_events(c->wl_display) == -1);