2542 	struct tsync_sibling sibling[TSYNC_SIBLINGS];  in FIXTURE()  local
2564 	memset(&self->sibling, 0, sizeof(self->sibling));  in FIXTURE_SETUP()
2579 	self->sibling[0].tid = 0;  in FIXTURE_SETUP()
2580 	self->sibling[0].cond = &self->cond;  in FIXTURE_SETUP()
2581 	self->sibling[0].started = &self->started;  in FIXTURE_SETUP()
2582 	self->sibling[0].mutex = &self->mutex;  in FIXTURE_SETUP()
2583 	self->sibling[0].diverge = 0;  in FIXTURE_SETUP()
2584 	self->sibling[0].num_waits = 1;  in FIXTURE_SETUP()
2585 	self->sibling[0].prog = &self->root_prog;  in FIXTURE_SETUP()
2586 	self->sibling[0].metadata = _metadata;  in FIXTURE_SETUP()
2587 	self->sibling[1].tid = 0;  in FIXTURE_SETUP()
2588 	self->sibling[1].cond = &self->cond;  in FIXTURE_SETUP()
2589 	self->sibling[1].started = &self->started;  in FIXTURE_SETUP()
2590 	self->sibling[1].mutex = &self->mutex;  in FIXTURE_SETUP()
2591 	self->sibling[1].diverge = 0;  in FIXTURE_SETUP()
2592 	self->sibling[1].prog = &self->root_prog;  in FIXTURE_SETUP()
2593 	self->sibling[1].num_waits = 1;  in FIXTURE_SETUP()
2594 	self->sibling[1].metadata = _metadata;  in FIXTURE_SETUP()
2607 		struct tsync_sibling *s = &self->sibling[sib];  in FIXTURE_TEARDOWN()
2654 void tsync_start_sibling(struct tsync_sibling *sibling)  in tsync_start_sibling()  argument
2656 	pthread_create(&sibling->tid, NULL, tsync_sibling, (void *)sibling);  in tsync_start_sibling()
2688 	self->sibling[0].diverge = 1;  in TEST_F()
2689 	tsync_start_sibling(&self->sibling[0]);  in TEST_F()
2690 	tsync_start_sibling(&self->sibling[1]);  in TEST_F()
2704 	/* Ensure diverging sibling failed to call prctl. */  in TEST_F()
2705 	PTHREAD_JOIN(self->sibling[0].tid, &status);  in TEST_F()
2707 	PTHREAD_JOIN(self->sibling[1].tid, &status);  in TEST_F()
2727 	tsync_start_sibling(&self->sibling[0]);  in TEST_F()
2728 	tsync_start_sibling(&self->sibling[1]);  in TEST_F()
2747 	PTHREAD_JOIN(self->sibling[0].tid, &status);  in TEST_F()
2749 	PTHREAD_JOIN(self->sibling[1].tid, &status);  in TEST_F()
2758 	tsync_start_sibling(&self->sibling[0]);  in TEST_F()
2759 	tsync_start_sibling(&self->sibling[1]);  in TEST_F()
2773 	PTHREAD_JOIN(self->sibling[0].tid, &status);  in TEST_F()
2775 	PTHREAD_JOIN(self->sibling[1].tid, &status);  in TEST_F()
2785 	tsync_start_sibling(&self->sibling[0]);  in TEST_F()
2786 	tsync_start_sibling(&self->sibling[1]);  in TEST_F()
2813 	PTHREAD_JOIN(self->sibling[0].tid, &status);  in TEST_F()
2815 	PTHREAD_JOIN(self->sibling[1].tid, &status);  in TEST_F()
2835 	self->sibling[0].diverge = 1;  in TEST_F()
2836 	tsync_start_sibling(&self->sibling[0]);  in TEST_F()
2837 	tsync_start_sibling(&self->sibling[1]);  in TEST_F()
2846 	ASSERT_EQ(self->sibling[0].system_tid, ret) {  in TEST_F()
2847 		TH_LOG("Did not fail on diverged sibling.");  in TEST_F()
2858 	PTHREAD_JOIN(self->sibling[0].tid, &status);  in TEST_F()
2860 	PTHREAD_JOIN(self->sibling[1].tid, &status);  in TEST_F()
2880 	self->sibling[0].diverge = 1;  in TEST_F()
2881 	tsync_start_sibling(&self->sibling[0]);  in TEST_F()
2882 	tsync_start_sibling(&self->sibling[1]);  in TEST_F()
2893 		TH_LOG("Did not return ESRCH for diverged sibling.");  in TEST_F()
2896 		TH_LOG("Did not fail on diverged sibling.");  in TEST_F()
2907 	PTHREAD_JOIN(self->sibling[0].tid, &status);  in TEST_F()
2909 	PTHREAD_JOIN(self->sibling[1].tid, &status);  in TEST_F()
2924 	 * Sibling 0 will have its own seccomp policy  in TEST_F()
2925 	 * and Sibling 1 will not be under seccomp at  in TEST_F()
2926 	 * all. Sibling 1 will enter seccomp and 0  in TEST_F()
2929 	self->sibling[0].diverge = 1;  in TEST_F()
2930 	tsync_start_sibling(&self->sibling[0]);  in TEST_F()
2931 	tsync_start_sibling(&self->sibling[1]);  in TEST_F()
2948 	ASSERT_EQ(ret, self->sibling[0].system_tid) {  in TEST_F()
2949 		TH_LOG("Did not fail on diverged sibling.");  in TEST_F()
2952 	if (ret == self->sibling[0].system_tid)  in TEST_F()
2960 	self->sibling[!sib].num_waits += 1;  in TEST_F()
2967 	PTHREAD_JOIN(self->sibling[sib].tid, &status);  in TEST_F()
2970 	while (!kill(self->sibling[sib].system_tid, 0))  in TEST_F()
2972 	/* Switch to the remaining sibling */  in TEST_F()
2978 		TH_LOG("Expected the remaining sibling to sync");  in TEST_F()
2983 	/* If remaining sibling didn't have a chance to wake up during  in TEST_F()
2986 	if (self->sibling[sib].num_waits > 1)  in TEST_F()
2987 		self->sibling[sib].num_waits = 1;  in TEST_F()
2992 	PTHREAD_JOIN(self->sibling[sib].tid, &status);  in TEST_F()
2995 	while (!kill(self->sibling[sib].system_tid, 0))  in TEST_F()
3690  * Check that a pid in a sibling (i.e. unrelated) namespace shows up as 0, i.e.
3726 	/* Create the sibling ns, and sibling in it. */  in TEST()