File: pthreadlock_state.c

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 (60 lines) | stat: -rw-r--r-- 1,854 bytes parent folder | download | duplicates (15)
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.unix.PthreadLock,debug.ExprInspection 2>&1 %s | FileCheck %s

#include "Inputs/system-header-simulator-for-pthread-lock.h"

#define NULL 0

void clang_analyzer_printState(void);

pthread_mutex_t mtx;

void test(void) {
  clang_analyzer_printState();
  // CHECK:    "checker_messages": null

  pthread_mutex_init(&mtx, NULL);
  clang_analyzer_printState();
  // CHECK:    { "checker": "alpha.core.PthreadLockBase", "messages": [
  // CHECK-NEXT:      "Mutex states:",
  // CHECK-NEXT:      "mtx: unlocked",
  // CHECK-NEXT:      ""
  // CHECK-NEXT:    ]}

  pthread_mutex_lock(&mtx);
  clang_analyzer_printState();
  // CHECK:    { "checker": "alpha.core.PthreadLockBase", "messages": [
  // CHECK-NEXT:      "Mutex states:",
  // CHECK-NEXT:      "mtx: locked",
  // CHECK-NEXT:      "Mutex lock order:",
  // CHECK-NEXT:      "mtx",
  // CHECK-NEXT:      ""
  // CHECK-NEXT:    ]}

  pthread_mutex_unlock(&mtx);
  clang_analyzer_printState();
  // CHECK:    { "checker": "alpha.core.PthreadLockBase", "messages": [
  // CHECK-NEXT:      "Mutex states:",
  // CHECK-NEXT:      "mtx: unlocked",
  // CHECK-NEXT:      ""
  // CHECK-NEXT:    ]}

  int ret = pthread_mutex_destroy(&mtx);
  clang_analyzer_printState();
  // CHECK:    { "checker": "alpha.core.PthreadLockBase", "messages": [
  // CHECK-NEXT:      "Mutex states:",
  // CHECK-NEXT:      "mtx: unlocked, possibly destroyed",
  // CHECK-NEXT:      "Mutexes in unresolved possibly destroyed state:",
  // CHECK-NEXT:      "mtx: conj_$
  // CHECK-NEXT:      ""
  // CHECK-NEXT:    ]}

  if (ret)
    return;

  clang_analyzer_printState();
  // CHECK:    { "checker": "alpha.core.PthreadLockBase", "messages": [
  // CHECK-NEXT:      "Mutex states:",
  // CHECK-NEXT:      "mtx: destroyed",
  // CHECK-NEXT:      ""
  // CHECK-NEXT:    ]}
}