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/***********************************************************************
* Copyright (c) 2015, Cryptonector LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
**********************************************************************/
#include <config.h>
#include <sys/types.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#ifdef WIN32
#include <process.h>
#ifdef getpid
#undef getpid
#endif
#define getpid _getpid
#else
#include <unistd.h>
#endif
#include "roken.h"
int main(int argc, char **argv)
{
/*
* XXXrcd: let's see how much further the tests get when we disable this
* on Windows.
*/
#ifndef WIN32
char *ends;
long n;
int fd = -1;
pid_t parent = getpid();
pid_t child;
if (argc == 2 && strcmp(argv[1], "--reexec") != 0)
errx(1, "Usage: test-detach [--reexec] [--daemon-child FD]");
if (argc == 3 || argc == 4) {
parent = getppid();
errno = 0;
n = strtol(argv[2], &ends, 10);
fd = n;
if (errno != 0)
err(1, "Usage: test-detach [--daemon-child fd]");
if (n < 0 || ends == NULL || *ends != '\0' || n != fd)
errx(1, "Usage: test-detach [--daemon-child fd]");
} else {
if (argc == 2)
/* Make sure we re-exec on the child-side of fork() (not WIN32) */
putenv("ROKEN_DETACH_USE_EXEC=1");
fd = roken_detach_prep(argc, argv, "--daemon-child");
if (fd == -1)
errx(1, "bad");
}
if (parent == getpid())
errx(1, "detach prep failed");
child = getpid();
roken_detach_finish(NULL, fd);
if (child != getpid())
errx(1, "detach finish failed");
/*
* These printfs will not appear: stderr will have been replaced
* with /dev/null.
*/
fprintf(stderr, "Now should be the child: %ld, wrote to parent\n", (long)getpid());
sleep(5);
fprintf(stderr, "Daemon child done\n");
return 0;
#else
return 0;
#endif
}
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