File: mutex_double_lock.cpp

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (26 lines) | stat: -rw-r--r-- 733 bytes parent folder | download | duplicates (29) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include "test.h"

void *ThreadFunc(void *m) {
  AnnotateRWLockAcquired(__FILE__, __LINE__, m, 1);
  return 0;
}

int main() {
  int m = 0;
  AnnotateRWLockAcquired(__FILE__, __LINE__, &m, 1);
  pthread_t th;
  pthread_create(&th, 0, ThreadFunc, &m);
  pthread_join(th, 0);
  return 0;
}

// CHECK: WARNING: ThreadSanitizer: double lock of a mutex
// CHECK:     #0 AnnotateRWLockAcquired
// CHECK:     #1 ThreadFunc
// CHECK: Location is stack of main thread.
// CHECK:   Mutex {{.*}} created at:
// CHECK:     #0 AnnotateRWLockAcquired
// CHECK:     #1 main
// CHECK: SUMMARY: ThreadSanitizer: double lock of a mutex {{.*}}mutex_double_lock.cpp{{.*}}ThreadFunc