| // 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 |
| // UNSUPPORTED: darwin |
| // This test provokes a data race under FreeBSD |
| // XFAIL: freebsd |
| |
| #include "test.h" |
| |
| #include <errno.h> |
| #include <pthread.h> |
| #include <string.h> |
| |
| char buffer[1000]; |
| |
| void *Thread(void *p) { |
| barrier_wait(&barrier); |
| strerror_r(TEST_ERROR, buffer, sizeof(buffer)); |
| return 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 |
