llvm-project/compiler-rt/lib/tsan/lit_tests/stack_race.cc

23 lines
408 B
C++

// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stddef.h>
#include <unistd.h>
void *Thread(void *a) {
sleep(1);
*(int*)a = 43;
return 0;
}
int main() {
int Var = 42;
pthread_t t;
pthread_create(&t, 0, Thread, &Var);
Var = 43;
pthread_join(t, 0);
}
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Location is stack of main thread.