145 lines
3.3 KiB
C
145 lines
3.3 KiB
C
/*
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*
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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; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* NAME
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* waitpid04.c
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*
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* DESCRIPTION
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* test to check the error conditions in waitpid sys call
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*
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* USAGE: <for command-line>
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* waitpid04 [-c n] [-e] [-i n] [-I x] [-P x] [-t]
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* where, -c n : Run n copies concurrently.
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* -e : Turn on errno logging.
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* -i n : Execute test n times.
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* -I x : Execute test for x seconds.
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* -P x : Pause for x seconds between iterations.
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* -t : Turn on syscall timing.
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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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*
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* Restrictions
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* NONE
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*/
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#include <sys/signal.h>
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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 "test.h"
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static void setup(void);
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static void cleanup(void);
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char *TCID = "waitpid04";
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int TST_TOTAL = 1;
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#define INVAL_FLAG -1
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static int flag, condition_number;
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int main(int ac, char **av)
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{
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int pid, status, ret;
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int lc;
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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/* check for looping state if -i option is given */
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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/* reset tst_count in case we are looping */
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tst_count = 0;
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ret = waitpid(pid, &status, WNOHANG);
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flag = 0;
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condition_number = 1;
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if (ret != -1) {
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tst_resm(TFAIL, "condition %d test failed",
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condition_number);
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} else {
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if (errno != ECHILD) {
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tst_resm(TFAIL, "waitpid() set invalid "
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"errno, expected ECHILD, got: %d",
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errno);
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} else {
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tst_resm(TPASS, "condition %d test passed",
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condition_number);
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}
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}
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condition_number++;
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if (FORK_OR_VFORK() == 0)
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exit(0);
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pid = 1;
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ret = waitpid(pid, &status, WUNTRACED);
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flag = 0;
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if (ret != -1) {
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tst_resm(TFAIL, "condition %d test failed",
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condition_number);
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} else {
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if (errno != ECHILD) {
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tst_resm(TFAIL, "waitpid() set invalid "
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"errno, expected ECHILD, got: %d",
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errno);
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} else {
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tst_resm(TPASS, "condition %d test passed",
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condition_number);
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}
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}
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condition_number++;
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/* Option is Inval = INVAL_FLAG */
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ret = waitpid(pid, &status, INVAL_FLAG);
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flag = 0;
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if (ret != -1) {
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tst_resm(TFAIL, "condition %d test failed",
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condition_number);
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} else {
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if (errno != EINVAL) {
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tst_resm(TFAIL, "waitpid() set invalid "
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"errno, expected EINVAL, got: %d",
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errno);
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} else {
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tst_resm(TPASS, "condition %d test passed",
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condition_number);
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}
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}
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condition_number++;
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}
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cleanup();
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tst_exit();
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}
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static void setup(void)
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{
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TEST_PAUSE;
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}
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static void cleanup(void)
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{
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}
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