1 // RUN: %clangxx_tsan %s -o %t -framework Foundation -std=c++11 2 // RUN: %run %t 2>&1 | FileCheck %s 3 4 #import <Foundation/Foundation.h> 5 #import <libkern/OSAtomic.h> 6 7 #include <thread> 8 9 #include "../test.h" 10 11 typedef struct { 12 void *next; 13 long data; 14 } ListItem; 15 16 OSQueueHead q; 17 18 int main(int argc, const char *argv[]) { 19 barrier_init(&barrier, 2); 20 21 std::thread t1([] { 22 ListItem *li = new ListItem{nullptr, 42}; 23 OSAtomicEnqueue(&q, li, 0); 24 barrier_wait(&barrier); 25 }); 26 27 std::thread t2([] { 28 barrier_wait(&barrier); 29 ListItem *li = (ListItem *)OSAtomicDequeue(&q, 0); 30 fprintf(stderr, "data = %ld\n", li->data); 31 }); 32 33 t1.join(); 34 t2.join(); 35 36 fprintf(stderr, "done\n"); 37 38 return 0; 39 } 40 41 // CHECK: data = 42 42 // CHECK: done 43 // CHECK-NOT: WARNING: ThreadSanitizer 44
