selftests/seccomp/seccomp_bpf.c

2549 	struct tsync_sibling sibling[TSYNC_SIBLINGS];
2571 	memset(&self->sibling, 0, sizeof(self->sibling));
2586 	self->sibling[0].tid = 0;
2587 	self->sibling[0].cond = &self->cond;
2588 	self->sibling[0].started = &self->started;
2589 	self->sibling[0].mutex = &self->mutex;
2590 	self->sibling[0].diverge = 0;
2591 	self->sibling[0].num_waits = 1;
2592 	self->sibling[0].prog = &self->root_prog;
2593 	self->sibling[0].metadata = _metadata;
2594 	self->sibling[1].tid = 0;
2595 	self->sibling[1].cond = &self->cond;
2596 	self->sibling[1].started = &self->started;
2597 	self->sibling[1].mutex = &self->mutex;
2598 	self->sibling[1].diverge = 0;
2599 	self->sibling[1].prog = &self->root_prog;
2600 	self->sibling[1].num_waits = 1;
2601 	self->sibling[1].metadata = _metadata;
2614 		struct tsync_sibling *s = &self->sibling[sib];
2661 void tsync_start_sibling(struct tsync_sibling *sibling)
2663 	pthread_create(&sibling->tid, NULL, tsync_sibling, (void *)sibling);
2695 	self->sibling[0].diverge = 1;
2696 	tsync_start_sibling(&self->sibling[0]);
2697 	tsync_start_sibling(&self->sibling[1]);
2711 	/* Ensure diverging sibling failed to call prctl. */
2712 	PTHREAD_JOIN(self->sibling[0].tid, &status);
2714 	PTHREAD_JOIN(self->sibling[1].tid, &status);
2734 	tsync_start_sibling(&self->sibling[0]);
2735 	tsync_start_sibling(&self->sibling[1]);
2754 	PTHREAD_JOIN(self->sibling[0].tid, &status);
2756 	PTHREAD_JOIN(self->sibling[1].tid, &status);
2765 	tsync_start_sibling(&self->sibling[0]);
2766 	tsync_start_sibling(&self->sibling[1]);
2780 	PTHREAD_JOIN(self->sibling[0].tid, &status);
2782 	PTHREAD_JOIN(self->sibling[1].tid, &status);
2792 	tsync_start_sibling(&self->sibling[0]);
2793 	tsync_start_sibling(&self->sibling[1]);
2820 	PTHREAD_JOIN(self->sibling[0].tid, &status);
2822 	PTHREAD_JOIN(self->sibling[1].tid, &status);
2842 	self->sibling[0].diverge = 1;
2843 	tsync_start_sibling(&self->sibling[0]);
2844 	tsync_start_sibling(&self->sibling[1]);
2853 	ASSERT_EQ(self->sibling[0].system_tid, ret) {
2854 		TH_LOG("Did not fail on diverged sibling.");
2865 	PTHREAD_JOIN(self->sibling[0].tid, &status);
2867 	PTHREAD_JOIN(self->sibling[1].tid, &status);
2887 	self->sibling[0].diverge = 1;
2888 	tsync_start_sibling(&self->sibling[0]);
2889 	tsync_start_sibling(&self->sibling[1]);
2900 		TH_LOG("Did not return ESRCH for diverged sibling.");
2903 		TH_LOG("Did not fail on diverged sibling.");
2914 	PTHREAD_JOIN(self->sibling[0].tid, &status);
2916 	PTHREAD_JOIN(self->sibling[1].tid, &status);
2936 	self->sibling[0].diverge = 1;
2937 	tsync_start_sibling(&self->sibling[0]);
2938 	tsync_start_sibling(&self->sibling[1]);
2955 	ASSERT_EQ(ret, self->sibling[0].system_tid) {
2956 		TH_LOG("Did not fail on diverged sibling.");
2959 	if (ret == self->sibling[0].system_tid)
2967 	self->sibling[!sib].num_waits += 1;
2974 	PTHREAD_JOIN(self->sibling[sib].tid, &status);
2977 	while (!kill(self->sibling[sib].system_tid, 0))
2979 	/* Switch to the remaining sibling */
2985 		TH_LOG("Expected the remaining sibling to sync");
2990 	/* If remaining sibling didn't have a chance to wake up during
2993 	if (self->sibling[sib].num_waits > 1)
2994 		self->sibling[sib].num_waits = 1;
2999 	PTHREAD_JOIN(self->sibling[sib].tid, &status);
3002 	while (!kill(self->sibling[sib].system_tid, 0))
3699  * Check that a pid in a sibling (i.e. unrelated) namespace shows up as 0, i.e.
3740 	/* Create the sibling ns, and sibling in it. */
4878 		pthread_t sibling;
4884 		ret = pthread_create(&sibling, NULL,