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// 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
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