git.saurik.com Git - apple/libpthread.git/blame_incremental

... / ...

Commit	Line	Data
	1	#include <assert.h>
	2	#include <pthread.h>
	3	#include <stdint.h>
	4	#include <stdio.h>
	5	#include <unistd.h>
	6	#include <mach/mach.h>
	7
	8	#include <darwintest.h>
	9
	10	#define WAITTIME (100 * 1000)
	11
	12	static inline void*
	13	test(void)
	14	{
	15	static uintptr_t idx;
	16	return (void*)idx;
	17	}
	18
	19	static void *
	20	thread(void *param)
	21	{
	22	usleep(WAITTIME);
	23	return param;
	24	}
	25
	26	/*
	27	static void *
	28	thread1(void *param)
	29	{
	30	int res;
	31	pthread_t p = param;
	32
	33	usleep(WAITTIME);
	34	res = pthread_join(p, NULL);
	35	assert(res == 0);
	36	return 0;
	37	}
	38	*/
	39
	40	T_DECL(join, "pthread_join",
	41	T_META_ALL_VALID_ARCHS(YES))
	42	{
	43	int res;
	44	kern_return_t kr;
	45	pthread_t p = NULL;
	46	void param, value;
	47
	48	param = test();
	49	res = pthread_create(&p, NULL, thread, param);
	50	T_ASSERT_POSIX_ZERO(res, "pthread_create");
	51	value = NULL;
	52	res = pthread_join(p, &value);
	53	T_ASSERT_POSIX_ZERO(res, "pthread_join");
	54	T_ASSERT_EQ_PTR(param, value, "early join value");
	55
	56	param = test();
	57	res = pthread_create(&p, NULL, thread, param);
	58	T_ASSERT_POSIX_ZERO(res, "pthread_create");
	59	usleep(3 * WAITTIME);
	60	value = NULL;
	61	res = pthread_join(p, &value);
	62	T_ASSERT_POSIX_ZERO(res, "pthread_join");
	63	T_ASSERT_EQ_PTR(param, value, "late join value");
	64
	65	param = test();
	66	res = pthread_create_suspended_np(&p, NULL, thread, param);
	67	T_ASSERT_POSIX_ZERO(res, "pthread_create_suspended_np");
	68	kr = thread_resume(pthread_mach_thread_np(p));
	69	T_ASSERT_EQ_INT(kr, 0, "thread_resume");
	70	value = NULL;
	71	res = pthread_join(p, &value);
	72	T_ASSERT_POSIX_ZERO(res, "pthread_join");
	73	T_ASSERT_EQ_PTR(param, value, "suspended early join value");
	74
	75	param = test();
	76	res = pthread_create_suspended_np(&p, NULL, thread, param);
	77	T_ASSERT_POSIX_ZERO(res, "pthread_create_suspended_np");
	78	kr = thread_resume(pthread_mach_thread_np(p));
	79	T_ASSERT_EQ_INT(kr, 0, "thread_resume");
	80	usleep(3 * WAITTIME);
	81	value = NULL;
	82	res = pthread_join(p, &value);
	83	T_ASSERT_POSIX_ZERO(res, "pthread_join");
	84	T_ASSERT_EQ_PTR(param, value, "suspended late join value");
	85
	86	// This test is supposed to test joining on the main thread. It's not
	87	// clear how to express this with libdarwintest for now.
	88	/*
	89	test();
	90	param = pthread_self();
	91	res = pthread_create_suspended_np(&p, NULL, thread1, param);
	92	T_ASSERT_POSIX_ZERO(res, "pthread_create_suspended_np");
	93	res = pthread_detach(p);
	94	T_ASSERT_POSIX_ZERO(res, "pthread_detach");
	95	kr = thread_resume(pthread_mach_thread_np(p));
	96	T_ASSERT_EQ_INT(kr, 0, "thread_resume");
	97	pthread_exit(0);
	98	*/
	99	}
	100
	101	static void *
	102	thread_stub(__unused void *arg)
	103	{
	104	return NULL;
	105	}
	106
	107	T_DECL(pthread_join_stress, "pthread_join in a loop")
	108	{
	109	for (int i = 0; i < 1000; i++) {
	110	pthread_t th[16];
	111	for (int j = 0; j < i%16; j++){
	112	T_QUIET; T_ASSERT_POSIX_SUCCESS(pthread_create(&th[j], NULL, thread_stub, NULL), NULL);
	113	}
	114	for (int j = i%16; j >= 0; j--){
	115	T_QUIET; T_ASSERT_POSIX_SUCCESS(pthread_join(th[j], NULL), NULL);
	116	}
	117	}
	118	T_PASS("Success!");
	119	}