66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
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* Copyright (c) 2014 Cyril Hrubis <chrubis@suse.cz>
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* Copyright (C) 2021 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
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*/
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/*\
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* [Description]
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*
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* Tests setpgid() erorrs:
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*
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* - EPERM The calling process, process specified by pid and the target
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* process group must be in the same session.
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*
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* - EACCESS Proccess cannot change process group ID of a child after child
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* has performed exec()
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*/
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#include <unistd.h>
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#include <sys/wait.h>
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#include "tst_test.h"
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#define TEST_APP "setpgid03_child"
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static void do_child(void)
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{
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SAFE_SETSID();
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TST_CHECKPOINT_WAKE_AND_WAIT(0);
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}
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static void run(void)
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{
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pid_t child_pid;
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child_pid = SAFE_FORK();
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if (!child_pid) {
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do_child();
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return;
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}
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TST_CHECKPOINT_WAIT(0);
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TST_EXP_FAIL(setpgid(child_pid, getppid()), EPERM);
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TST_CHECKPOINT_WAKE(0);
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/* child after exec() we are no longer allowed to set pgid */
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child_pid = SAFE_FORK();
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if (!child_pid)
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SAFE_EXECLP(TEST_APP, TEST_APP, NULL);
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TST_CHECKPOINT_WAIT(0);
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TST_EXP_FAIL(setpgid(child_pid, getppid()), EACCES);
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TST_CHECKPOINT_WAKE(0);
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}
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static struct tst_test test = {
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.test_all = run,
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.forks_child = 1,
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.needs_checkpoints = 1,
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};
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