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/*
* Copyright (c) 2015-2023 Dmitry V. Levin <ldv@strace.io>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
static int
logit_(const char *const str)
{
return !chdir(str);
}
#define prefix "fork-f."
#define logit(arg) logit_(prefix arg)
int main(int ac, char **av)
{
if (ac < 1)
return 1;
if (ac > 1)
return logit("exec");
logit("start");
int child_wait_fds[2];
(void) close(0);
if (pipe(child_wait_fds))
perror_msg_and_fail("pipe");
pid_t pid = fork();
if (pid < 0)
perror_msg_and_fail("fork");
if (!pid) {
close(child_wait_fds[1]);
if (read(0, child_wait_fds, sizeof(int)))
_exit(2);
char *const args[] = { av[0], (char *) "", NULL };
if (logit("child") || execve(args[0], args, args + 1))
_exit(2);
}
close(0);
logit("parent");
close(child_wait_fds[1]);
int status;
assert(wait(&status) == pid);
assert(status == 0);
pid_t ppid = getpid();
logit("finish");
printf("%-5d chdir(\"%sstart\")" RVAL_ENOENT
"%-5d chdir(\"%sparent\")" RVAL_ENOENT
"%-5d chdir(\"%schild\")" RVAL_ENOENT
"%-5d chdir(\"%sexec\")" RVAL_ENOENT
"%-5d chdir(\"%sfinish\")" RVAL_ENOENT,
ppid, prefix,
ppid, prefix,
pid, prefix,
pid, prefix,
ppid, prefix);
return 0;
}
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