compiler-rt/test/tsan/ignorelist2.cpp

   1 // Test that ignorelisted functions are still contained in the stack trace.
   2
   3 // RUN: echo "fun:*Ignorelisted_Thread2*" > %t.ignorelist
   4 // RUN: echo "fun:*CallTouchGlobal*" >> %t.ignorelist
   5
   6 // RUN: %clangxx_tsan -O1 %s -fsanitize-ignorelist=%t.ignorelist -o %t
   7 // RUN: %deflake %run %t 2>&1 | FileCheck %s
   8 #include "test.h"
   9
  10 int Global;
  11
  12 void *Thread1(void *x) {
  13   barrier_wait(&barrier);
  14   // CHECK: ThreadSanitizer: data race
  15   // CHECK: Write of size 4
  16   // CHECK: #0 Thread1{{.*}}ignorelist2.cpp:[[@LINE+1]]
  17   Global++;
  18   return NULL;
  19 }
  20
  21 __attribute__((noinline)) void TouchGlobal() {
  22   // CHECK: Previous write of size 4
  23   // CHECK: #0 TouchGlobal{{.*}}ignorelist2.cpp:[[@LINE+1]]
  24   Global--;
  25 }
  26
  27 __attribute__((noinline)) void CallTouchGlobal() {
  28   // CHECK: #1 CallTouchGlobal{{.*}}ignorelist2.cpp:[[@LINE+1]]
  29   TouchGlobal();
  30 }
  31
  32 void *Ignorelisted_Thread2(void *x) {
  33   Global--;
  34   // CHECK: #2 Ignorelisted_Thread2{{.*}}ignorelist2.cpp:[[@LINE+1]]
  35   CallTouchGlobal();
  36   barrier_wait(&barrier);
  37   return NULL;
  38 }
  39
  40 int main() {
  41   barrier_init(&barrier, 2);
  42   pthread_t t[2];
  43   pthread_create(&t[0], NULL, Thread1, NULL);
  44   pthread_create(&t[1], NULL, Ignorelisted_Thread2, NULL);
  45   pthread_join(t[0], NULL);
  46   pthread_join(t[1], NULL);
  47   fprintf(stderr, "PASS\n");
  48   return 0;
  49 }