lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * vfork test for uClibc |
| 4 | * Copyright (C) 2000-2006 by Erik Andersen <andersen@uclibc.org> |
| 5 | * |
| 6 | * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| 7 | */ |
| 8 | |
| 9 | #include <stdio.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <unistd.h> |
| 12 | #include <sys/wait.h> |
| 13 | #include <sys/types.h> |
| 14 | |
| 15 | |
| 16 | int main(void) |
| 17 | { |
| 18 | pid_t pid; |
| 19 | int status, wpid; |
| 20 | char *argv[] = { |
| 21 | "/bin/ls", |
| 22 | "-laF", |
| 23 | NULL, |
| 24 | }; |
| 25 | |
| 26 | clearenv(); |
| 27 | if ((pid = vfork()) == 0) { |
| 28 | printf("Hi. I'm the child process...\n"); |
| 29 | execvp(argv[0], argv); |
| 30 | _exit(0); |
| 31 | } |
| 32 | |
| 33 | printf("Hello. I'm the parent process.\n"); |
| 34 | while (1) { |
| 35 | wpid = wait(&status); |
| 36 | if (wpid > 0 && wpid != pid) { |
| 37 | continue; |
| 38 | } |
| 39 | if (wpid == pid) |
| 40 | break; |
| 41 | } |
| 42 | |
| 43 | printf("Child process exited.\nGoodbye.\n"); |
| 44 | return EXIT_SUCCESS; |
| 45 | } |
| 46 | |
| 47 | /* |
| 48 | Local Variables: |
| 49 | c-file-style: "linux" |
| 50 | c-basic-offset: 4 |
| 51 | tab-width: 4 |
| 52 | End: |
| 53 | */ |