blob: 92b31d7d0dabdbea7e669e343f045994a155dfda (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// RUN: %clang_tsan %s -o %t -framework Foundation
// RUN: %run %t 2>&1 | FileCheck %s
#import <Foundation/Foundation.h>
long global;
void handler(void *arg) {
fprintf(stderr, "global = %ld\n", global);
dispatch_sync(dispatch_get_main_queue(), ^{
CFRunLoopStop(CFRunLoopGetCurrent());
});
}
int main(int argc, const char *argv[]) {
dispatch_queue_t queue =
dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT);
dispatch_source_t source =
dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
dispatch_source_set_timer(source, dispatch_walltime(NULL, 0), 1e9, 5);
global = 42;
dispatch_source_set_cancel_handler_f(source, &handler);
dispatch_resume(source);
dispatch_cancel(source);
CFRunLoopRun();
return 0;
}
// CHECK: global = 42
// CHECK-NOT: WARNING: ThreadSanitizer
|