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7b2ddfa428
Adds AMF B.01.01 support - still needs alot of work git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@879 fd59a12c-fef9-0310-b244-a6a79926bd2f
100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/*
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* Copyright (c) 2005 MontaVista Software, Inc.
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*
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* All rights reserved.
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*
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* Author: Steven Dake (sdake@mvista.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the MontaVista Software, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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#include <semaphore.h>
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#include <errno.h>
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#include <string.h>
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struct timespec sleeptime = {
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.tv_sec = 0,
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.tv_nsec = 10000 /* 10 msec */
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};
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/*
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* The method by which the status is returned from execve
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* needs some performance enhancement
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*/
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int main (int argc, char **argv, char **envp)
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{
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pid_t pid;
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pid_t res;
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int status;
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int i;
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pid = fork();
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if (pid == -1) {
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printf ("openais-instantiate: could not fork process %s\n", strerror (errno));
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return (errno);
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}
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if (pid) {
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/*
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* Wait for a status code for at most 100 msec (10 * sleeptime)
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* if child never returns a code, it is assumed to have been instantiated
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*/
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for (i = 0; i < 10; i++) {
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res = waitpid (pid, &status, WNOHANG);
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if (res) {
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if (WEXITSTATUS(status) == 0) {
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printf ("openais-instantiate: component instantiated\n");
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return (0);
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} else {
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printf ("openais-instantiate: could not instantiate component (return code %d = %s)\n",
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WEXITSTATUS(status),
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strerror (WEXITSTATUS(status)));
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return (errno);
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}
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}
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nanosleep (&sleeptime, 0);
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}
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printf ("openais-instantiate: component instantiated\n");
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return (0);
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} else {
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printf ("childs pid %d\n", getpid());
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/*
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* child process
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*/
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res = execve (argv[1], &argv[2], envp);
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if (res == -1) {
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return (errno);
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}
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}
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return (0);
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}
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