File: death-callback.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 (42 lines) | stat: -rw-r--r-- 1,138 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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
// RUN: %clangxx_msan -DERROR %s -o %t && not %run %t 2>&1 | \
// RUN:     FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOCB
// RUN: %clangxx_msan -DERROR -DMSANCB_SET %s -o %t && not %run %t 2>&1 | \
// RUN:     FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-CB
// RUN: %clangxx_msan -DERROR -DMSANCB_SET -DMSANCB_CLEAR %s -o %t && not %run %t 2>&1 | \
// RUN:     FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOCB
// RUN: %clangxx_msan -DMSANCB_SET %s -o %t && %run %t 2>&1 | \
// RUN:     FileCheck %s --check-prefixes=SUCCEED,CHECK-NOCB

#include <sanitizer/msan_interface.h>
#include <stdio.h>
#include <stdlib.h>

void cb(void) {
  fprintf(stderr, "msan-death-callback\n");
}

int main(int argc, char **argv) {
  int *volatile p = (int *)malloc(sizeof(int));
  *p = 42;
  free(p);

#ifdef MSANCB_SET
  __msan_set_death_callback(cb);
#endif

#ifdef MSANCB_CLEAR
  __msan_set_death_callback(0);
#endif

#ifdef ERROR
  if (*p)
    exit(0);
#endif
  // CHECK-CB: msan-death-callback
  // CHECK-NOCB-NOT: msan-death-callback

  // CHECK-NOT: done
  // SUCCEED: done
  fprintf(stderr, "done\n");
  return 0;
}