File: mutex_double_lock.cpp

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (26 lines) | stat: -rw-r--r-- 733 bytes parent folder | download | duplicates (26) 
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