llvm-project/compiler-rt/test/tsan/global_race2.cc

26 lines
533 B
C++

// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include "test.h"
int x;
void *Thread(void *a) {
barrier_wait(&barrier);
x = 1;
return 0;
}
int main() {
barrier_init(&barrier, 2);
print_address("addr2=", 1, &x);
pthread_t t;
pthread_create(&t, 0, Thread, 0);
x = 0;
barrier_wait(&barrier);
pthread_join(t, 0);
}
// CHECK: addr2=[[ADDR2:0x[0-9,a-f]+]]
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Location is global 'x' {{(of size 4 )?}}at [[ADDR2]] ({{.*}}+0x{{[0-9,a-f]+}})