File: bad-signal-to-kill-thread.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (38 lines) | stat: -rw-r--r-- 1,122 bytes parent folder | download | duplicates (21)
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
// RUN: %check_clang_tidy %s bugprone-bad-signal-to-kill-thread %t

#define SIGTERM 15
#define SIGINT 2
using pthread_t = int;
using pthread_attr_t = int;

int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
                   void *(*start_routine)(void *), void *arg);

int pthread_kill(pthread_t thread, int sig);

int pthread_cancel(pthread_t thread);

void *test_func_return_a_pointer(void *foo);

int main() {
  int result;
  pthread_t thread;

  if ((result = pthread_create(&thread, nullptr, test_func_return_a_pointer, 0)) != 0) {
  }
  if ((result = pthread_kill(thread, SIGTERM)) != 0) {
    // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: thread should not be terminated by raising the 'SIGTERM' signal [bugprone-bad-signal-to-kill-thread]
  }

  //compliant solution
  if ((result = pthread_cancel(thread)) != 0) {
  }

  if ((result = pthread_kill(thread, SIGINT)) != 0) {
  }
  if ((result = pthread_kill(thread, 0xF)) != 0) {
    // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: thread should not be terminated by raising the 'SIGTERM' signal [bugprone-bad-signal-to-kill-thread]
  }

  return 0;
}