30 lines
603 B
C++
30 lines
603 B
C++
// RUN: %clang_tsan -O1 %s -o %t && %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s
|
|
#include <pthread.h>
|
|
#include <stdio.h>
|
|
|
|
int RacyGlobal;
|
|
|
|
void *Thread1(void *x) {
|
|
RacyGlobal = 42;
|
|
return NULL;
|
|
}
|
|
|
|
void *Thread2(void *x) {
|
|
RacyGlobal = 43;
|
|
return NULL;
|
|
}
|
|
|
|
int main() {
|
|
pthread_t t[2];
|
|
pthread_create(&t[0], NULL, Thread1, NULL);
|
|
pthread_create(&t[1], NULL, Thread2, NULL);
|
|
pthread_join(t[0], NULL);
|
|
pthread_join(t[1], NULL);
|
|
fprintf(stderr, "OK\n");
|
|
return 0;
|
|
}
|
|
|
|
// CHECK-NOT: failed to open suppressions file
|
|
// CHECK-NOT: WARNING: ThreadSanitizer: data race
|
|
|