/******************************************************************************/
/* Copyright (c) Crackerjack Project., 2007                                   */
/*                                                                            */
/* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    */
/*                                                                            */
/******************************************************************************/
/******************************************************************************/
/*                                                                            */
/* File:        rt_sigaction03.c                                              */
/*                                                                            */
/* Description: This tests the rt_sigaction() syscall                         */
/*		rt_sigaction Expected EINVAL error check                      */
/*                                                                            */
/* Usage:  <for command-line>                                                 */
/* rt_sigaction03 [-c n] [-e][-i n] [-I x] [-p x] [-t]                        */
/*      where,  -c n : Run n copies concurrently.                             */
/*              -e   : Turn on errno logging.                                 */
/*              -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.                                */
/*                                                                            */
/* Total Tests: 1                                                             */
/*                                                                            */
/* Test Name:   rt_sigaction03                                             */
/* History:     Porting from Crackerjack to LTP is done by                    */
/*              Manas Kumar Nayak maknayak@in.ibm.com>                        */
/******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <sys/syscall.h>
#include <string.h>

/* Harness Specific Include Files. */
#include "test.h"
#include "usctest.h"
#include "linux_syscall_numbers.h"

#define INVAL_SIGSETSIZE -1

/* Extern Global Variables */

/* Global Variables */
char *TCID = "rt_sigaction03";	/* Test program identifier. */
int testno;
int TST_TOTAL = 1;		/* total number of tests in this file.   */

/* Extern Global Functions */
/******************************************************************************/
/*                                                                            */
/* Function:    cleanup                                                       */
/*                                                                            */
/* Description: Performs all one time clean up for this test on successful    */
/*              completion,  premature exit or  failure. Closes all temporary */
/*              files, removes all temporary directories exits the test with  */
/*              appropriate return code by calling tst_exit() function.       */
/*                                                                            */
/* Input:       None.                                                         */
/*                                                                            */
/* Output:      None.                                                         */
/*                                                                            */
/* Return:      On failure - Exits calling tst_exit(). Non '0' return code.   */
/*              On success - Exits calling tst_exit(). With '0' return code.  */
/*                                                                            */
/******************************************************************************/
extern void cleanup()
{

	TEST_CLEANUP;
	tst_rmdir();

	tst_exit();
}

/* Local  Functions */
/******************************************************************************/
/*                                                                            */
/* Function:    setup                                                         */
/*                                                                            */
/* Description: Performs all one time setup for this test. This function is   */
/*              typically used to capture signals, create temporary dirs      */
/*              and temporary files that may be used in the course of this    */
/*              test.                                                         */
/*                                                                            */
/* Input:       None.                                                         */
/*                                                                            */
/* Output:      None.                                                         */
/*                                                                            */
/* Return:      On failure - Exits by calling cleanup().                      */
/*              On success - returns 0.                                       */
/*                                                                            */
/******************************************************************************/
void setup()
{
	/* Capture signals if any */
	/* Create temporary directories */
	TEST_PAUSE;
	tst_tmpdir();
}

int test_flags[] =
    { SA_RESETHAND | SA_SIGINFO, SA_RESETHAND, SA_RESETHAND | SA_SIGINFO,
SA_RESETHAND | SA_SIGINFO, SA_NOMASK };
char *test_flags_list[] =
    { "SA_RESETHAND|SA_SIGINFO", "SA_RESETHAND", "SA_RESETHAND|SA_SIGINFO",
"SA_RESETHAND|SA_SIGINFO", "SA_NOMASK" };

struct test_case_t {
	int exp_errno;
	char *errdesc;
} test_cases[] = {
	{
	EINVAL, "EINVAL"}
};

void handler(int sig)
{
	tst_resm(TINFO, "Signal Handler Called with signal number %d\n", sig);
	return;
}

int set_handler(int sig, int sig_to_mask, int mask_flags)
{
	struct sigaction sa, oldaction;

	sa.sa_sigaction = (void *)handler;
	sa.sa_flags = mask_flags;
	sigemptyset(&sa.sa_mask);
	sigaddset(&sa.sa_mask, sig_to_mask);

	/*                                                              *
	 * long sys_rt_sigaction (int sig, const struct sigaction *act, *
	 * truct sigaction *oact, size_t sigsetsize);                   *
	 * EINVAL:                                                      *
	 * sigsetsize was not equivalent to the size of a sigset_t type *
	 */

	TEST(ltp_syscall
	     (__NR_rt_sigaction, sig, &sa, &oldaction, INVAL_SIGSETSIZE));
	if (TEST_RETURN == 0) {
		return 0;
	} else {
		return TEST_RETURN;
	}
}

int main(int ac, char **av)
{
	int signal, flag;
	int lc;
	char *msg;

	if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) {
		tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
		tst_exit();
	}

	setup();

	for (lc = 0; TEST_LOOPING(lc); ++lc) {
		Tst_count = 0;
		for (testno = 0; testno < TST_TOTAL; ++testno) {

			for (signal = SIGRTMIN; signal <= (SIGRTMAX); signal++) {	//signal for 34 to 65
				for (flag = 0; flag < 5; flag++) {
					TEST(set_handler
					     (signal, 0, test_flags[flag]));
					if ((TEST_RETURN == -1)
					    && (TEST_ERRNO ==
						test_cases[0].exp_errno)) {
						tst_resm(TINFO,
							 "sa.sa_flags = %s ",
							 test_flags_list[flag]);
						tst_resm(TPASS,
							 "%s failure with sig: %d as expected errno  = %s : %s",
							 TCID, signal,
							 test_cases[0].errdesc,
							 strerror(TEST_ERRNO));
					} else {
						tst_resm(TFAIL,
							 "rt_sigaction call succeeded: result = %ld got error %d:but expected  %d",
							 TEST_RETURN,
							 TEST_ERRNO,
							 test_cases[0].
							 exp_errno);
						tst_resm(TINFO,
							 "sa.sa_flags = %s ",
							 test_flags_list[flag]);
					}
				}
				printf("\n");
			}

		}
	}
	cleanup();
	tst_exit();
}