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1// Test for threads spawned with wqthread_start2// RUN: %clangxx_lsan %s -DDISPATCH_ASYNC -o %t-async -framework Foundation3// RUN: %clangxx_lsan %s -DDISPATCH_SYNC -o %t-sync -framework Foundation4// RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0" not %run %t-async 2>&1 | FileCheck %s5// RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0" not %run %t-sync 2>&1 | FileCheck %s6 7#include <dispatch/dispatch.h>8#include <pthread.h>9#include <stdlib.h>10 11#include "sanitizer_common/print_address.h"12 13bool done = false;14 15void worker_do_leak(int size) {16 void *p = malloc(size);17 print_address("Test alloc: ", 1, p);18 done = true;19}20 21#if DISPATCH_ASYNC22// Tests for the Grand Central Dispatch. See23// http://developer.apple.com/library/mac/#documentation/Performance/Reference/GCD_libdispatch_Ref/Reference/reference.html24// for the reference.25void TestGCDDispatch() {26 dispatch_queue_t queue = dispatch_get_global_queue(0, 0);27 dispatch_block_t block = ^{28 worker_do_leak(1337);29 };30 // dispatch_async() runs the task on a worker thread that does not go through31 // pthread_create(). We need to verify that LeakSanitizer notices that the32 // thread has started.33 dispatch_async(queue, block);34 while (!done)35 pthread_yield_np();36}37#elif DISPATCH_SYNC38void TestGCDDispatch() {39 dispatch_queue_t queue = dispatch_get_global_queue(2, 0);40 dispatch_block_t block = ^{41 worker_do_leak(1337);42 };43 // dispatch_sync() runs the task on a worker thread that does not go through44 // pthread_create(). We need to verify that LeakSanitizer notices that the45 // thread has started.46 dispatch_sync(queue, block);47}48#endif49 50int main() {51 TestGCDDispatch();52 return 0;53}54 55// CHECK: Test alloc: [[addr:0x[0-9,a-f]+]]56// CHECK: LeakSanitizer: detected memory leaks57// CHECK: [[addr]] (1337 bytes)58// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer:59