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107 lines
2.4 KiB
107 lines
2.4 KiB
/*
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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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* getppid02.c
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*
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* DESCRIPTION
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* Testcase to check the basic functionality of the getppid() syscall.
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*
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* USAGE: <for command-line>
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* getppid02 [-c n] [-f] [-i n] [-I x] [-P x] [-t]
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* where, -c n : Run n copies concurrently.
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* -f : Turn off functionality Testing.
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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 Ported by Wayne Boyer
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*
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* RESTRICTIONS
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* None
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*/
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <errno.h>
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#include "test.h"
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#include "safe_macros.h"
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char *TCID = "getppid02";
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int TST_TOTAL = 1;
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void setup(void);
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void cleanup(void);
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int main(int ac, char **av)
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{
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int lc;
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int status;
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pid_t pid, ppid;
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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tst_count = 0;
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ppid = getpid();
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pid = FORK_OR_VFORK();
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if (pid == -1)
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tst_brkm(TBROK, cleanup, "fork failed");
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if (pid == 0) {
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TEST(getppid());
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if (TEST_RETURN != ppid)
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errx(1, "getppid failed (%ld != %d)",
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TEST_RETURN, ppid);
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else
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printf("return value and parent's pid "
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"value match\n");
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exit(0);
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} else {
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SAFE_WAIT(cleanup, &status);
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if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
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tst_resm(TFAIL,
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"getppid functionality incorrect");
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}
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}
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cleanup();
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tst_exit();
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}
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void setup(void)
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{
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tst_sig(FORK, DEF_HANDLER, cleanup);
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TEST_PAUSE;
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}
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void cleanup(void)
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{
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}
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