187 lines
4.8 KiB
C
187 lines
4.8 KiB
C
/*
|
|
*
|
|
* Copyright (c) International Business Machines Corp., 2001
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
|
|
* the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
/*
|
|
* Test Name: getpid01
|
|
*
|
|
* Test Description:
|
|
* Verify that getpid() system call gets the process ID of the of the
|
|
* calling process.
|
|
*
|
|
* Expected Result:
|
|
* getpid() should return pid of the process on success.
|
|
*
|
|
* Algorithm:
|
|
* Setup:
|
|
* Setup signal handling.
|
|
* Pause for SIGUSR1 if option specified.
|
|
*
|
|
* Test:
|
|
* Loop if the proper options are given.
|
|
* Execute system call
|
|
* Check return code, if system call failed (return=-1)
|
|
* Log the errno and Issue a FAIL message.
|
|
* Otherwise,
|
|
* Verify the Functionality of system call
|
|
* if successful,
|
|
* Issue Functionality-Pass message.
|
|
* Otherwise,
|
|
* Issue Functionality-Fail message.
|
|
* Cleanup:
|
|
* Print errno log and/or timing stats if options given
|
|
*
|
|
* Usage: <for command-line>
|
|
* getpid01 [-c n] [-f] [-i n] [-I x] [-P x] [-t]
|
|
* where, -c n : Run n copies concurrently.
|
|
* -f : Turn off functionality Testing.
|
|
* -i n : Execute test n times.
|
|
* -I x : Execute test for x seconds.
|
|
* -P x : Pause for x seconds between iterations.
|
|
* -t : Turn on syscall timing.
|
|
*
|
|
* HISTORY
|
|
* 07/2001 Ported by Wayne Boyer
|
|
*
|
|
* RESTRICTIONS:
|
|
* None.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <signal.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include "test.h"
|
|
#include "usctest.h"
|
|
|
|
void setup(); /* Main setup function of test */
|
|
void cleanup(void) __attribute__((noreturn)); /* cleanup function for the test */
|
|
|
|
const char *TCID="getpid01"; /* Test program identifier. */
|
|
int TST_TOTAL=1; /* Total number of test cases. */
|
|
extern int Tst_count; /* Test Case counter for tst_* routines */
|
|
|
|
int
|
|
main(int ac, char **av)
|
|
{
|
|
int lc; /* loop counter */
|
|
const char *msg; /* message returned from parse_opts */
|
|
pid_t proc_id; /* process id of the test process */
|
|
pid_t pid; /* process id of the child process */
|
|
pid_t pproc_id; /* parent process id */
|
|
int status; /* exit status of child process */
|
|
|
|
/* Parse standard options given to run the test. */
|
|
msg = parse_opts(ac, av, (option_t *) NULL, NULL);
|
|
if (msg != (char *) NULL) {
|
|
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
|
|
tst_exit();
|
|
}
|
|
|
|
/* Perform global setup for test */
|
|
setup();
|
|
|
|
/* Check looping state if -i option given */
|
|
for (lc = 0; TEST_LOOPING(lc); lc++) {
|
|
/* Reset Tst_count in case we are looping. */
|
|
Tst_count=0;
|
|
|
|
/*
|
|
* Invoke getpid() to get the process id of
|
|
* the test process.
|
|
*/
|
|
TEST(getpid());
|
|
|
|
/* Save the process id returned by getpid() */
|
|
proc_id = TEST_RETURN;
|
|
|
|
/*
|
|
* Perform functional verification if test
|
|
* executed without (-f) option.
|
|
*/
|
|
if (STD_FUNCTIONAL_TEST) {
|
|
/* Fork a child now */
|
|
if ((pid = fork()) < 0) {
|
|
tst_resm(TFAIL, "fork() failed to create child,"
|
|
" error=%d", TEST_ERRNO);
|
|
} else if (pid == 0) { /* Child process */
|
|
/* Get the parent process id */
|
|
pproc_id = getppid();
|
|
|
|
/* Verify if the two process IDs match */
|
|
if (pproc_id != proc_id) {
|
|
exit(1);
|
|
}
|
|
exit(0);
|
|
} else { /* parent process */
|
|
wait(&status);
|
|
|
|
/* Check exit status of child */
|
|
if (WEXITSTATUS(status) != 0) {
|
|
tst_resm(TFAIL, "getpid() returned "
|
|
"invalid pid %d", proc_id);
|
|
} else {
|
|
tst_resm(TPASS, "Functionality of "
|
|
"getpid() successful");
|
|
}
|
|
}
|
|
} else {
|
|
tst_resm(TPASS, "call succeeded");
|
|
}
|
|
} /* End for TEST_LOOPING */
|
|
|
|
/* Call cleanup() to undo setup done for the test. */
|
|
cleanup();
|
|
|
|
/*NOTREACHED*/
|
|
} /* End main */
|
|
|
|
/*
|
|
* setup() - performs all ONE TIME setup for this test.
|
|
* Setup signal catching function.
|
|
*/
|
|
void
|
|
setup()
|
|
{
|
|
/* capture signals */
|
|
tst_sig(FORK, DEF_HANDLER, cleanup);
|
|
|
|
/* Pause if that option was specified */
|
|
TEST_PAUSE;
|
|
}
|
|
|
|
|
|
/*
|
|
* cleanup() - performs all ONE TIME cleanup for this test at
|
|
* completion or premature exit.
|
|
*/
|
|
void
|
|
cleanup()
|
|
{
|
|
/*
|
|
* print timing stats if that option was specified.
|
|
* print errno log if that option was specified.
|
|
*/
|
|
TEST_CLEANUP;
|
|
|
|
/* exit with return code appropriate for results */
|
|
tst_exit();
|
|
}
|