47 lines
909 B
C
47 lines
909 B
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) Crackerjack Project., 2007
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* Copyright (c) Manas Kumar Nayak maknayak@in.ibm.com>
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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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* This test if waitid() syscall leaves the si_pid set to 0 with WNOHANG flag
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* when no child was waited for.
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*/
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#include <sys/wait.h>
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#include "tst_test.h"
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static siginfo_t *infop;
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static void run(void)
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{
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pid_t pid_child;
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pid_child = SAFE_FORK();
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if (!pid_child) {
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TST_CHECKPOINT_WAIT(0);
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return;
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}
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memset(infop, 0, sizeof(*infop));
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TST_EXP_PASS(waitid(P_ALL, pid_child, infop, WNOHANG | WEXITED));
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TST_EXP_EQ_LI(infop->si_pid, 0);
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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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.bufs = (struct tst_buffers[]) {
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{&infop, .size = sizeof(*infop)},
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{}
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}
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};
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