63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
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* Copyright (c) International Business Machines Corp., 2001
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* 07/2001 Ported by Wayne Boyer
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*/
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/*\
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* [Description]
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*
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* Verify that setpgid(2) syscall fails with:
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*
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* - EINVAL when given pgid is less than 0.
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* - ESRCH when pid is not the calling process and not a child of
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* the calling process.
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* - EPERM when an attempt was made to move a process into a process
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* group in a different session.
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*/
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#include <errno.h>
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#include <unistd.h>
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#include "tst_test.h"
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static pid_t pgid, pid, ppid, init_pgid;
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static pid_t negative_pid = -1;
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static struct tcase {
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pid_t *pid;
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pid_t *pgid;
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int error;
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} tcases[] = {
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{&pid, &negative_pid, EINVAL},
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{&ppid, &pgid, ESRCH},
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{&pid, &init_pgid, EPERM}
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};
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static void setup(void)
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{
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pid = getpid();
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ppid = getppid();
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pgid = getpgrp();
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/*
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* Getting pgid of init/systemd process to use it as a
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* process group from a different session for EPERM test
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*/
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init_pgid = SAFE_GETPGID(1);
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}
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static void run(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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TST_EXP_FAIL(setpgid(*tc->pid, *tc->pgid), tc->error,
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"setpgid(%d, %d)", *tc->pid, *tc->pgid);
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}
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static struct tst_test test = {
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.setup = setup,
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.test = run,
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.tcnt = ARRAY_SIZE(tcases)
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};
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