| // Test for threads spawned with wqthread_start |
| // RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0" |
| // RUN: %clangxx_lsan %s -DDISPATCH_ASYNC -o %t-async -framework Foundation |
| // RUN: %clangxx_lsan %s -DDISPATCH_SYNC -o %t-sync -framework Foundation |
| // RUN: %env_lsan_opts=$LSAN_BASE not %run %t-async 2>&1 | FileCheck %s |
| // RUN: %env_lsan_opts=$LSAN_BASE not %run %t-sync 2>&1 | FileCheck %s |
| |
| #include <dispatch/dispatch.h> |
| #include <pthread.h> |
| #include <stdlib.h> |
| |
| #include "sanitizer_common/print_address.h" |
| |
| bool done = false; |
| |
| void worker_do_leak(int size) { |
| void *p = malloc(size); |
| print_address("Test alloc: ", 1, p); |
| done = true; |
| } |
| |
| #if DISPATCH_ASYNC |
| // Tests for the Grand Central Dispatch. See |
| // http://developer.apple.com/library/mac/#documentation/Performance/Reference/GCD_libdispatch_Ref/Reference/reference.html |
| // for the reference. |
| void TestGCDDispatch() { |
| dispatch_queue_t queue = dispatch_get_global_queue(0, 0); |
| dispatch_block_t block = ^{ |
| worker_do_leak(1337); |
| }; |
| // dispatch_async() runs the task on a worker thread that does not go through |
| // pthread_create(). We need to verify that LeakSanitizer notices that the |
| // thread has started. |
| dispatch_async(queue, block); |
| while (!done) |
| pthread_yield_np(); |
| } |
| #elif DISPATCH_SYNC |
| void TestGCDDispatch() { |
| dispatch_queue_t queue = dispatch_get_global_queue(2, 0); |
| dispatch_block_t block = ^{ |
| worker_do_leak(1337); |
| }; |
| // dispatch_sync() runs the task on a worker thread that does not go through |
| // pthread_create(). We need to verify that LeakSanitizer notices that the |
| // thread has started. |
| dispatch_sync(queue, block); |
| } |
| #endif |
| |
| int main() { |
| TestGCDDispatch(); |
| return 0; |
| } |
| |
| // CHECK: Test alloc: [[addr:0x[0-9,a-f]+]] |
| // CHECK: LeakSanitizer: detected memory leaks |
| // CHECK: [[addr]] (1337 bytes) |
| // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: |