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| // RUN: %clangxx_tsan %s -o %t -framework Foundation -std=c++11
// RUN: %run %t 2>&1 | FileCheck %s
#import <Foundation/Foundation.h>
#import <libkern/OSAtomic.h>
#include <thread>
#include "../test.h"
typedef struct {
void *next;
long data;
} ListItem;
OSQueueHead q;
int main(int argc, const char *argv[]) {
barrier_init(&barrier, 2);
std::thread t1([] {
ListItem *li = new ListItem{nullptr, 42};
OSAtomicEnqueue(&q, li, 0);
barrier_wait(&barrier);
});
std::thread t2([] {
barrier_wait(&barrier);
ListItem *li = (ListItem *)OSAtomicDequeue(&q, 0);
fprintf(stderr, "data = %ld\n", li->data);
});
t1.join();
t2.join();
fprintf(stderr, "done\n");
return 0;
}
// CHECK: data = 42
// CHECK: done
// CHECK-NOT: WARNING: ThreadSanitizer
|