freebsd-nq/test/tsan/default_options.cc

33 lines
601 B
C++

// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdio.h>
extern "C" const char *__tsan_default_options() {
return "report_bugs=0";
}
int Global;
void *Thread1(void *x) {
Global = 42;
return NULL;
}
void *Thread2(void *x) {
Global = 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, "DONE\n");
return 0;
}
// CHECK-NOT: WARNING: ThreadSanitizer: data race
// CHECK: DONE