File: posix_spawn.c

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (42 lines) | stat: -rw-r--r-- 1,076 bytes parent folder | download | duplicates (25) 
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: %clang %s -o %t && %run %t 2>&1 | FileCheck %s
//
// Older versions of Android do not have certain posix_spawn* functions.
// UNSUPPORTED: android

#include <assert.h>
#include <spawn.h>
#include <stdio.h>
#include <sys/wait.h>

int main(int argc, char **argv) {
  if (argc > 1) {
    // CHECK: SPAWNED
    // CHECK: SPAWNED
    printf("SPAWNED\n");
    return 0;
  }

  posix_spawnattr_t attr = {0};
  posix_spawn_file_actions_t file_actions = {0};

  char *const args[] = {
      argv[0], "2", "3", "4", "2", "3", "4", "2", "3", "4",
      "2",     "3", "4", "2", "3", "4", "2", "3", "4", NULL,
  };
  char *const env[] = {
      "A=B", "A=B", "A=B", "A=B", "A=B", "A=B", "A=B", "A=B", "A=B", "A=B",
      "A=B", "A=B", "A=B", "A=B", "A=B", "A=B", "A=B", "A=B", "A=B", NULL,
  };

  pid_t pid;
  int s = posix_spawn(&pid, argv[0], &file_actions, &attr, args, env);
  assert(!s);

  waitpid(pid, &s, WUNTRACED | WCONTINUED);

  s = posix_spawnp(&pid, argv[0], &file_actions, &attr, args, env);
  assert(!s);

  waitpid(pid, &s, WUNTRACED | WCONTINUED);
  return 0;
}