101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
/***********************************************************************
|
|
* 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"))
|
|
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
|
|
}
|