[LTP] [PATCH 16/21] Add sigreturn01 test for sigreturn syscall

[Manas Kumar Nayak <maknayak@in.ibm.com>]

Signed-off-by: Manas Kumar Nayak <maknayak@in.ibm.com>,
To: LTP List <ltp-list@lists.sourceforge.net>,
Cc: Deepakraj B Himavantharaj <deepakraj@in.ibm.com>,
Cc: Subrata Modak <subrata@linux.vnet.ibm.com>,
Cc: Masatake YAMATO <yamato@redhat.com>,
---

--- ltp-intermediate-20090518-manas-work-original/testcases/kernel/syscalls/sigreturn/Makefile	1970-01-01 05:30:00.000000000 +0530
+++ ltp-intermediate-20090518-manas-work/testcases/kernel/syscalls/sigreturn/Makefile	2009-05-18 14:23:39.000000000 +0530
@@ -0,0 +1,31 @@
+#
+#  Copyright (c) International Business Machines  Corp., 2009
+#
+#  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 St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+
+CFLAGS += -I../../../../include -Wall
+LDLIBS += -L../../../../lib -lltp
+
+SRCS    = $(wildcard *.c)
+TARGETS = $(patsubst %.c,%,$(SRCS))
+
+all: $(TARGETS)
+
+install:
+	@set -e; for i in $(TARGETS); do ln -f $$i ../../../bin/$$i ; done
+
+clean:
+	rm -f $(TARGETS)
--- ltp-intermediate-20090518-manas-work-original/testcases/kernel/syscalls/sigreturn/sigreturn01.c	1970-01-01 05:30:00.000000000 +0530
+++ ltp-intermediate-20090518-manas-work/testcases/kernel/syscalls/sigreturn/sigreturn01.c	2009-05-18 23:13:19.000000000 +0530
@@ -0,0 +1,172 @@
+/******************************************************************************/
+/* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA    */
+/*                                                                            */
+/******************************************************************************/
+/******************************************************************************/
+/*                                                                            */
+/* File:        sigreturn01.c                                           */
+/*                                                                            */
+/* Description: This tests the sigreturn() syscall  
+	sigreturn - return from signal handler and cleanup stack frame.	
+	When the Linux kernel creates the stack frame for a signal handler, 
+	a call to sigreturn() is inserted into the stack frame so that the
+	signal handler will call sigreturn() upon return. This inserted call
+	to sigreturn() cleans up the stack so that the process can restart 
+	from where it was interrupted by the signal.  		
+		                    */
+/*                                                                            */
+/* Usage:  <for command-line>                                                 */
+/* sigreturn01 [-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:   sigreturn01                                             */
+/* History:     Porting from Crackerjack to LTP is done by                    */
+/*              Manas Kumar Nayak maknayak@in.ibm.com>                        */
+/******************************************************************************/
+#include <limits.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <pwd.h>
+#include <grp.h>
+#include <string.h>
+#include <sys/param.h>
+#include <stdio.h>
+#include <errno.h>
+
+/* Harness Specific Include Files. */
+#include "test.h"
+#include "usctest.h"
+#include "linux_syscall_numbers.h"
+
+/* Extern Global Variables */
+extern int Tst_count;           /* counter for tst_xxx routines.         */
+extern char *TESTDIR;           /* temporary dir created by tst_tmpdir() */
+
+/* Global Variables */
+char *TCID = "sigreturn01";  /* Test program identifier.*/
+int  testno;
+int  TST_TOTAL = 2;                   /* 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() {
+        /* Remove tmp dir and all files in it */
+        TEST_CLEANUP;
+        tst_rmdir();
+
+        /* Exit with appropriate return code. */
+        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();
+}
+
+
+#define PRINT(X) fprintf(stdout,"%s\n", X)
+
+int ngexit(void);
+
+int main(int ac, char **av) {
+        int retval = 0;
+        unsigned long parm = 0;
+	int lc;                 /* loop counter */
+        char *msg;              /* message returned from parse_opts */
+	
+        /* parse standard options */
+        if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){
+             tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg);
+             tst_exit();
+           }
+
+        setup();
+
+        /* Check looping state if -i option given */
+        for (lc = 0; TEST_LOOPING(lc); ++lc) {
+                Tst_count = 0;
+                for (testno = 0; testno < TST_TOTAL; ++testno) {
+                    TEST(retval = sigreturn(parm)); 
+                    if(TEST_RETURN > 0 ) {
+                 	tst_resm(TFAIL, "%s ERROR!! sigreturn never return- errno = %d : %s", TCID, TEST_ERRNO, strerror(TEST_ERRNO));
+			cleanup();
+                        tst_exit();
+                     }
+                     else if (TEST_RETURN <= 0 ){
+        	 	   tst_resm(TPASS, "sigreturn call succeeded: result = %d ",TEST_RETURN);
+                     }
+
+	            parm = 0xffffffff;
+		    TEST(retval = sigreturn(parm)); 
+                    if(TEST_RETURN > 0 ) {
+                 	tst_resm(TFAIL, "%s ERROR!! sigreturn never return- errno = %d : %s", TCID, TEST_ERRNO, strerror(TEST_ERRNO));
+			cleanup();
+			tst_exit();
+                     }
+                     else if (TEST_RETURN <= 0 ){
+        	 	   tst_resm(TPASS, "sigreturn call succeeded: result = %d ",TEST_RETURN);
+                     }
+                }
+        }	
+	cleanup();
+        tst_exit();
+}
+
--- ltp-intermediate-20090518-manas-work-original/runtest/syscalls	2009-05-18 23:07:42.000000000 +0530
+++ ltp-intermediate-20090518-manas-work/runtest/syscalls	2009-05-18 23:16:19.000000000 +0530
@@ -1035,6 +1035,7 @@ sigpending02 sigpending02
 sigprocmask01 sigprocmask01
 
 sigrelse01 sigrelse01
+sigreturn01 sigreturn01
 
 sigsuspend01 sigsuspend01
 

---
Regards--
Manas


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