69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
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* Copyright (c) International Business Machines Corp., 2001
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program.
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*
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* History
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* 07/2001 John George
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* -Ported
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* 04/2002 wjhuie sigset cleanups
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*/
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/*
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* DESCRIPTION
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* Tests to see if pids returned from fork and waitpid are same.
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*
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* ALGORITHM
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* Check proper functioning of waitpid with pid = -1 and arg = WNOHANG
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*/
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#include "waitpid_common.h"
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static void do_child_1(void)
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{
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pid_t pid;
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int i;
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int status;
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for (i = 0; i < MAXKIDS; i++) {
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if (i == (MAXKIDS / 2))
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SAFE_SETPGID(0, 0);
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pid = SAFE_FORK();
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if (pid == 0)
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do_exit(0);
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fork_kid_pid[i] = pid;
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}
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/* Check that waitpid with WNOHANG returns zero */
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if (TST_TRACE(waitpid_ret_test(-1, &status, WNOHANG, 0, 0)))
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return;
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TST_CHECKPOINT_WAKE2(0, MAXKIDS);
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if (TST_TRACE(reap_children(-1, WNOHANG, fork_kid_pid, MAXKIDS)))
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return;
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tst_res(TPASS, "Test PASSED");
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}
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static struct tst_test test = {
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.forks_child = 1,
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.needs_checkpoints = 1,
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.setup = waitpid_setup,
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.cleanup = waitpid_cleanup,
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.test_all = waitpid_test,
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};
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