1*aca3beaaSApple OSS Distributions #include <darwintest.h>
2*aca3beaaSApple OSS Distributions #include <pthread.h>
3*aca3beaaSApple OSS Distributions #include <sys/syscall.h>
4*aca3beaaSApple OSS Distributions #include <unistd.h>
5*aca3beaaSApple OSS Distributions
6*aca3beaaSApple OSS Distributions #include <mach/mach_init.h>
7*aca3beaaSApple OSS Distributions #include <mach/mach_port.h>
8*aca3beaaSApple OSS Distributions #include <mach/mk_timer.h>
9*aca3beaaSApple OSS Distributions #include <mach/task.h>
10*aca3beaaSApple OSS Distributions
11*aca3beaaSApple OSS Distributions #define die(w) errx(1, (w))
12*aca3beaaSApple OSS Distributions #define edie(w) err(1, (w))
13*aca3beaaSApple OSS Distributions #define expect(e) if (-1 == (e)) edie(#e)
14*aca3beaaSApple OSS Distributions
15*aca3beaaSApple OSS Distributions static void *
racer(void * data)16*aca3beaaSApple OSS Distributions racer(void *data)
17*aca3beaaSApple OSS Distributions {
18*aca3beaaSApple OSS Distributions for (;;) {
19*aca3beaaSApple OSS Distributions mk_timer_destroy(*(mach_port_t *)data);
20*aca3beaaSApple OSS Distributions }
21*aca3beaaSApple OSS Distributions
22*aca3beaaSApple OSS Distributions return NULL;
23*aca3beaaSApple OSS Distributions }
24*aca3beaaSApple OSS Distributions
25*aca3beaaSApple OSS Distributions T_DECL(thread_call_race_71455282,
26*aca3beaaSApple OSS Distributions "rdar://71455282",
27*aca3beaaSApple OSS Distributions T_META_IGNORECRASHES(".*thread_call_race_71455282.*"))
28*aca3beaaSApple OSS Distributions {
29*aca3beaaSApple OSS Distributions mach_port_t timer = MACH_PORT_NULL;
30*aca3beaaSApple OSS Distributions pthread_t t;
31*aca3beaaSApple OSS Distributions size_t n;
32*aca3beaaSApple OSS Distributions
33*aca3beaaSApple OSS Distributions /* we will violate mach rules so ignore crashes here */
34*aca3beaaSApple OSS Distributions T_ASSERT_MACH_SUCCESS(task_set_exc_guard_behavior(mach_task_self(), 0),
35*aca3beaaSApple OSS Distributions "task_set_exc_guard_behavior");
36*aca3beaaSApple OSS Distributions
37*aca3beaaSApple OSS Distributions for (n = 0; n < 4; ++n) {
38*aca3beaaSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(pthread_create(&t, NULL, racer, &timer),
39*aca3beaaSApple OSS Distributions "pthread_create");
40*aca3beaaSApple OSS Distributions }
41*aca3beaaSApple OSS Distributions
42*aca3beaaSApple OSS Distributions T_LOG("racing");
43*aca3beaaSApple OSS Distributions for (size_t i = 0; i < 1000; i++) {
44*aca3beaaSApple OSS Distributions timer = mk_timer_create();
45*aca3beaaSApple OSS Distributions mk_timer_arm(timer, 1);
46*aca3beaaSApple OSS Distributions mk_timer_destroy(timer);
47*aca3beaaSApple OSS Distributions timer = MACH_PORT_NULL;
48*aca3beaaSApple OSS Distributions }
49*aca3beaaSApple OSS Distributions
50*aca3beaaSApple OSS Distributions T_PASS("didn't panic");
51*aca3beaaSApple OSS Distributions T_END;
52*aca3beaaSApple OSS Distributions }
53