test/tsan/blacklist2.cc

   1 // Test that blacklisted functions are still contained in the stack trace.
   2
   3 // RUN: %clangxx_tsan -O1 %s -fsanitize-blacklist=%p/Helpers/blacklist.txt -o %t
   4 // RUN: %deflake %run %t 2>&1 | FileCheck %s
   5 #include <pthread.h>
   6 #include <stdio.h>
   7 #include <unistd.h>
   8
   9 int Global;
  10
  11 void *Thread1(void *x) {
  12   sleep(1);
  13   // CHECK: ThreadSanitizer: data race
  14   // CHECK: Write of size 4
  15   // CHECK: #0 Thread1{{.*}}blacklist2.cc:[[@LINE+1]]
  16   Global++;
  17   return NULL;
  18 }
  19
  20 void TouchGlobal() {
  21   // CHECK: Previous write of size 4
  22   // CHECK: #0 TouchGlobal(){{.*}}blacklist2.cc:[[@LINE+1]]
  23   Global--;
  24 }
  25
  26 void CallTouchGlobal() {
  27   // CHECK: #1 CallTouchGlobal{{.*}}blacklist2.cc:[[@LINE+1]]
  28   TouchGlobal();
  29 }
  30
  31 void *Blacklisted_Thread2(void *x) {
  32   Global--;
  33   // CHECK: #2 Blacklisted_Thread2{{.*}}blacklist2.cc:[[@LINE+1]]
  34   CallTouchGlobal();
  35   return NULL;
  36 }
  37
  38 int main() {
  39   pthread_t t[2];
  40   pthread_create(&t[0], NULL, Thread1, NULL);
  41   pthread_create(&t[1], NULL, Blacklisted_Thread2, NULL);
  42   pthread_join(t[0], NULL);
  43   pthread_join(t[1], NULL);
  44   printf("PASS\n");
  45   return 0;
  46 }