78 lines
1.4 KiB
C
78 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2018 Linux Test Project
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* Copyright (c) 2015 Cyril Hrubis <chrubis@suse.cz>
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* Copyright (c) International Business Machines Corp., 2001
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*
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* Ported to LTP: Wayne Boyer
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* 04/2008 Roy Lee <roylee@andestech.com>
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*/
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/*
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* Attempt to execve(2) a file which is being opened by another process for
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* writing fails with ETXTBSY.
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*/
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "tst_test.h"
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#define TEST_APP "execve_child"
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static void do_child(void);
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static void verify_execve(void)
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{
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pid_t pid;
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char *argv[2] = {TEST_APP, NULL};
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pid = SAFE_FORK();
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if (pid == 0)
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do_child();
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TST_CHECKPOINT_WAIT(0);
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TEST(execve(TEST_APP, argv, environ));
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if (TST_ERR != ETXTBSY)
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tst_res(TFAIL | TTERRNO, "execve succeeded, expected failure");
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else
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tst_res(TPASS | TTERRNO, "execve failed as expected");
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TST_CHECKPOINT_WAKE(0);
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}
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static void do_child(void)
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{
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int fd = SAFE_OPEN(TEST_APP, O_WRONLY);
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TST_CHECKPOINT_WAKE_AND_WAIT(0);
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SAFE_CLOSE(fd);
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exit(0);
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}
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static const char *const resource_files[] = {
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TEST_APP,
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NULL,
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};
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static struct tst_test test = {
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.test_all = verify_execve,
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.forks_child = 1,
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.child_needs_reinit = 1,
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.needs_checkpoints = 1,
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.resource_files = resource_files,
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};
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