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// Test for threads spawned with wqthread_start
// 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="report_objects=1:use_stacks=0:use_registers=0" not %run %t-async 2>&1 | FileCheck %s
// RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0" 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:
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