2cb47cb4c8
crash_prog was introduced to force-crash a userspace program since _exit may not yet be implemented. However, the new versions of OS161 already have the exact same logic as crash_prog in stdlib/exit.
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
|
|
* The President and Fellows of Harvard College.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY 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 UNIVERSITY 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.
|
|
*/
|
|
|
|
/*
|
|
* closetest.c
|
|
*
|
|
* Tests the close syscall
|
|
*
|
|
* This should run correctly when open and close are implemented correctly.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <err.h>
|
|
#include <test161/test161.h>
|
|
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
|
|
// Assume argument passing is *not* supported.
|
|
|
|
(void) argc;
|
|
(void) argv;
|
|
|
|
int ret, fd = -1;
|
|
// Try to open a file and then close it
|
|
fd = open("/bin/true", O_RDONLY);
|
|
if(fd < 0) {
|
|
err(-1, "Open syscall failed");
|
|
}
|
|
else if(fd < 3) {
|
|
warnx("Open syscall returned number(%d) used by standard file descriptors (0,1,2)", fd);
|
|
}
|
|
|
|
ret = close(fd);
|
|
if(ret) {
|
|
err(1, "Failed to close file\n");
|
|
}
|
|
|
|
// Can we close 0?
|
|
ret = close(0);
|
|
if(ret) {
|
|
err(1, "Failed to close STDIN\n");
|
|
}
|
|
|
|
|
|
success(TEST161_SUCCESS, SECRET, "/testbin/closetest");
|
|
return 0;
|
|
}
|