llvm-project

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// Test that ignorelisted functions are still contained in the stack trace.
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// RUN: echo "fun:*Ignorelisted_Thread2*" > %t.ignorelist
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// RUN: echo "fun:*CallTouchGlobal*" >> %t.ignorelist
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// RUN: %clangxx_tsan -O1 %s -fsanitize-ignorelist=%t.ignorelist -o %t
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// RUN: %deflake %run %t 2>&1 | FileCheck %s
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#include "test.h"
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int Global;
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void *Thread1(void *x) {
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  barrier_wait(&barrier);
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  // CHECK: ThreadSanitizer: data race
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  // CHECK: Write of size 4
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  // CHECK: #0 Thread1{{.*}}ignorelist2.cpp:[[@LINE+1]]
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  Global++;
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  return NULL;
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}
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__attribute__((noinline)) void TouchGlobal() {
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  // CHECK: Previous write of size 4
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  // CHECK: #0 TouchGlobal{{.*}}ignorelist2.cpp:[[@LINE+1]]
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  Global--;
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}
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__attribute__((noinline)) void CallTouchGlobal() {
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  // CHECK: #1 CallTouchGlobal{{.*}}ignorelist2.cpp:[[@LINE+1]]
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  TouchGlobal();
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}
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void *Ignorelisted_Thread2(void *x) {
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  Global--;
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  // CHECK: #2 Ignorelisted_Thread2{{.*}}ignorelist2.cpp:[[@LINE+1]]
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  CallTouchGlobal();
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  barrier_wait(&barrier);
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  return NULL;
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}
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int main() {
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  barrier_init(&barrier, 2);
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  pthread_t t[2];
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  pthread_create(&t[0], NULL, Thread1, NULL);
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  pthread_create(&t[1], NULL, Ignorelisted_Thread2, NULL);
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  pthread_join(t[0], NULL);
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  pthread_join(t[1], NULL);
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  fprintf(stderr, "PASS\n");
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  return 0;
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}
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