Exemple #1
0
void init_child(int childno)
{
	cpu_set_t set;
	pid_t pid = getpid();

	this_child = childno;

	set_seed(childno);

	shm->kill_count[childno] = 0;

	disable_coredumps();

	if (sched_getaffinity(pid, sizeof(set), &set) == 0) {
		CPU_ZERO(&set);
		CPU_SET(childno, &set);
		sched_setaffinity(pid, sizeof(set), &set);
	}

	shm->child_syscall_count[childno] = 0;

	set_make_it_fail();

	if (rand() % 100 < 50)
		use_fpu();

	shm->num_mappings[childno] = 0;
	shm->mappings[childno] = zmalloc(sizeof(struct map));
	INIT_LIST_HEAD(&shm->mappings[childno]->list);
}
Exemple #2
0
void init_child(int childno)
{
	cpu_set_t set;
	pid_t pid = getpid();
	char childname[17];

	this_child = childno;

	set_seed(childno);

	shm->kill_count[childno] = 0;

	shm->num_mappings[childno] = 0;
	shm->mappings[childno] = zmalloc(sizeof(struct map));
	INIT_LIST_HEAD(&shm->mappings[childno]->list);

	setup_page_maps();

	if (sched_getaffinity(pid, sizeof(set), &set) == 0) {
		CPU_ZERO(&set);
		CPU_SET(childno, &set);
		sched_setaffinity(pid, sizeof(set), &set);
	}

	shm->child_syscall_count[childno] = 0;

	memset(childname, 0, sizeof(childname));
	sprintf(childname, "trinity-c%d", childno);
	prctl(PR_SET_NAME, (unsigned long) &childname);

	oom_score_adj(500);

	/* Wait for parent to set our pidslot */
	while (shm->pids[childno] != getpid()) {
		int ret = 0;

		/* Make sure parent is actually alive to wait for us. */
		ret = pid_alive(shm->mainpid);
		if (ret != 0) {
			shm->exit_reason = EXIT_SHM_CORRUPTION;
			outputerr(BUGTXT "parent (%d) went away!\n", shm->mainpid);
			sleep(20000);
		}
	}

	/* Wait for all the children to start up. */
	while (shm->ready == FALSE)
		sleep(1);

	set_make_it_fail();

	if (rand() % 100 < 50)
		use_fpu();

	mask_signals_child();

	disable_coredumps();
}