/* * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Further, this software is distributed without any warranty that it is * free of the rightful claim of any third person regarding infringement * or the like. Any license provided herein, whether implied or * otherwise, applies only to this software file. Patent licenses, if * any, provided herein do not apply to combinations of this program with * other software, or any other product whatsoever. * * You should have received a copy of the GNU General Public License along * with this program; if not, write the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston MA 02111-1307, USA. * * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, * Mountain View, CA 94043, or: * * http://www.sgi.com * * For further information regarding this notice, see: * * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ * */ /* $Id$ */ /********************************************************** * * OS Test - Silicon Graphics, Inc. * * TEST IDENTIFIER : sbrk01 * * EXECUTED BY : anyone * * TEST TITLE : Basic test for sbrk(2) * * PARENT DOCUMENT : usctpl01 * * TEST CASE TOTAL : 2 * * WALL CLOCK TIME : 1 * * CPU TYPES : ALL * * AUTHOR : William Roske * * CO-PILOT : Dave Fenner * * DATE STARTED : 06/05/92 * * INITIAL RELEASE : UNICOS 7.0 * * TEST CASES * * 1.) sbrk(2) returns...(See Description) * * INPUT SPECIFICATIONS * The standard options for system call tests are accepted. * (See the parse_opts(3) man page). * * OUTPUT SPECIFICATIONS * * DURATION * Terminates - with frequency and infinite modes. * * SIGNALS * Uses SIGUSR1 to pause before test if option set. * (See the parse_opts(3) man page). * * RESOURCES * None * * ENVIRONMENTAL NEEDS * No run-time environmental needs. * * SPECIAL PROCEDURAL REQUIREMENTS * None * * INTERCASE DEPENDENCIES * None * * DETAILED DESCRIPTION * This is a Phase I test for the sbrk(2) system call. It is intended * to provide a limited exposure of the system call, for now. It * should/will be extended when full functional tests are written for * sbrk(2). * * 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, Issue a PASS message. * * Cleanup: * Print errno log and/or timing stats if options given * * *#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#**/ #include #include #include #include #include #include "test.h" #include "usctest.h" void setup(); void cleanup(); char *TCID="sbrk01"; /* Test program identifier. */ int TST_TOTAL=2; /* Total number of test cases. */ extern int Tst_count; /* Test Case counter for tst_* routines */ int Increment; /* Amount to make change size by */ int main(int ac, char **av) { int lc; /* loop counter */ const char *msg; /* message returned from parse_opts */ long tret; /*************************************************************** * parse standard options ***************************************************************/ if ( (msg=parse_opts(ac, av, (option_t *) NULL, NULL)) != (char *) NULL ) { tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); tst_exit(0); } /*************************************************************** * perform global setup for test ***************************************************************/ setup(); #ifdef __CYGWIN__ /* we need to initialize output buffer before first sbrk. otherwise, when memory is freed bu second sbrk, fwrite will fail */ tst_resm(TINFO, "Entering test"); #endif /*************************************************************** * check looping state if -c option given ***************************************************************/ for (lc=0; TEST_LOOPING(lc); lc++) { /* reset Tst_count in case we are looping. */ Tst_count=0; /* * TEST CASE: * Increase by 8192 bytes */ Increment = 8192; /* Call sbrk(2) */ #if defined(sgi) tret=(long)sbrk(Increment); /* Remove -64 IRIX compiler warning */ TEST_ERRNO=errno; #else TEST(sbrk(Increment)); tret=TEST_RETURN; #endif /* check return code */ if ( tret == -1 ) { TEST_ERROR_LOG(TEST_ERRNO); tst_resm(TFAIL, "sbrk - Increase by 8192 bytes failed, errno=%d : %s", TEST_ERRNO, strerror(TEST_ERRNO)); } else { /*************************************************************** * only perform functional verification if flag set (-f not given) ***************************************************************/ if ( STD_FUNCTIONAL_TEST ) { /* No Verification test, yet... */ tst_resm(TPASS, "sbrk - Increase by 8192 bytes returned %d", tret); } } /* * TEST CASE: * Decrease to original size */ Increment=(Increment * -1); /* Call sbrk(2) */ #ifdef CRAY TEST(sbrk(Increment)); tret=TEST_RETURN; #else tret=(long)sbrk(Increment); TEST_ERRNO=errno; #endif /* check return code */ if ( tret == -1 ) { TEST_ERROR_LOG(TEST_ERRNO); tst_resm(TFAIL, "sbrk - Decrease to original size failed, errno=%d : %s", TEST_ERRNO, strerror(TEST_ERRNO)); } else { /*************************************************************** * only perform functional verification if flag set (-f not given) ***************************************************************/ if ( STD_FUNCTIONAL_TEST ) { /* No Verification test, yet... */ tst_resm(TPASS, "sbrk - Decrease to original size returned %d", tret); } } } /* End for TEST_LOOPING */ /*************************************************************** * cleanup and exit ***************************************************************/ cleanup(); return 0; } /* End main */ /*************************************************************** * setup() - performs all ONE TIME setup for this test. ***************************************************************/ void setup() { /* capture signals */ tst_sig(NOFORK, DEF_HANDLER, cleanup); /* make a temp dir and cd to it */ tst_tmpdir(); /* Pause if that option was specified */ TEST_PAUSE; } /* End setup() */ /*************************************************************** * 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; /* remove files and temp dir */ tst_rmdir(); /* exit with return code appropriate for results */ tst_exit(); } /* End cleanup() */