You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
760 B
35 lines
760 B
4 months ago
|
// RUN: %clang_tsan %s -o %t
|
||
|
|
// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not='ThreadSanitizer'
|
||
|
|
|
||
|
|
#include "dispatch/dispatch.h"
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
long global;
|
||
|
|
|
||
|
|
int main(int argc, const char *argv[]) {
|
||
|
|
dispatch_semaphore_t done = dispatch_semaphore_create(0);
|
||
|
|
|
||
|
|
dispatch_queue_t queue =
|
||
|
|
dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT);
|
||
|
|
|
||
|
|
dispatch_source_t source =
|
||
|
|
dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, SIGHUP, 0, queue);
|
||
|
|
|
||
|
|
global = 42;
|
||
|
|
|
||
|
|
dispatch_source_set_registration_handler(source, ^{
|
||
|
|
fprintf(stderr, "global = %ld\n", global);
|
||
|
|
|
||
|
|
dispatch_semaphore_signal(done);
|
||
|
|
});
|
||
|
|
|
||
|
|
dispatch_resume(source);
|
||
|
|
|
||
|
|
dispatch_semaphore_wait(done, DISPATCH_TIME_FOREVER);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: global = 42
|