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[/] [or1k/] [trunk/] [linux/] [uClibc/] [test/] [unistd/] [vfork.c] - Rev 1765
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/* vi: set sw=4 ts=4: */ /* * vfork test for uClibc * * Copyright (C) 2000,2001 by Erik Andersen <andersen@uclibc.org> * Written by Erik Andersen <andersen@uclibc.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Library General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License * for more details. * * You should have received a copy of the GNU Library General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <sys/wait.h> #include <sys/types.h> int main(void) { pid_t pid; int status, wpid; char *argv[] = { "/bin/ls", "-laF", NULL, }; clearenv(); if ((pid = vfork()) == 0) { printf("Hi. I'm the child process...\n"); execvp(argv[0], argv); _exit(0); } printf("Hello. I'm the parent process.\n"); while (1) { wpid = wait(&status); if (wpid > 0 && wpid != pid) { continue; } if (wpid == pid) break; } printf("Child process exited.\nGoodbye.\n"); return EXIT_SUCCESS; } /* Local Variables: c-file-style: "linux" c-basic-offset: 4 tab-width: 4 End: */