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

33 lines
894 B
C++

// RUN: %clangxx_tsan -O1 -DTEST_ERROR=ERANGE %s -o %t && %run %t 2>&1 | FileCheck --check-prefixes=CHECK,CHECK-SYS %s
// RUN: %clangxx_tsan -O1 -DTEST_ERROR=-1 %s -o %t && not %run %t 2>&1 | FileCheck --check-prefixes=CHECK,CHECK-USER %s
// This test is for GNU specific version of strerror_r()
// UNSUPPORTED: darwin, netbsd, freebsd
#include "test.h"
#include <errno.h>
#include <pthread.h>
#include <string.h>
char buffer[1000];
void *Thread(void *p) {
barrier_wait(&barrier);
return strerror_r(TEST_ERROR, buffer, sizeof(buffer));
}
int main() {
barrier_init(&barrier, 2);
pthread_t th;
pthread_create(&th, 0, Thread, 0);
strerror_r(TEST_ERROR, buffer, sizeof(buffer));
barrier_wait(&barrier);
pthread_join(th, 0);
fprintf(stderr, "DONE\n");
}
// CHECK-USER: WARNING: ThreadSanitizer: data race
// CHECK-SYS-NOT: WARNING: ThreadSanitizer: data race
// CHECK: DONE