File: mutex_lock_destroyed.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (28 lines) | stat: -rw-r--r-- 794 bytes parent folder | download | duplicates (22) 
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
27
28
 
// RUN: %clangxx_tsan %s -o %t
// RUN: %deflake %run %t | FileCheck %s
// RUN: %deflake %run %t 1 | FileCheck %s

// The pthread_mutex_lock interceptor assumes incompatible internals w/ NetBSD
// XFAIL: target={{.*netbsd.*}}

#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
  pthread_mutex_t *m = (pthread_mutex_t *)malloc(sizeof(pthread_mutex_t));
  pthread_mutex_init(m, 0);
  pthread_mutex_lock(m);
  pthread_mutex_unlock(m);
  pthread_mutex_destroy(m);

  if (argc > 1 && argv[1][0] == '1')
    free(m);

  pthread_mutex_lock(m);
  // CHECK: WARNING: ThreadSanitizer: use of an invalid mutex (e.g. uninitialized or destroyed)
  // CHECK:   #0 pthread_mutex_lock
  // CHECK:   #1 main {{.*}}mutex_lock_destroyed.cpp:[[@LINE-3]]

  return 0;
}