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