/* This is an example quickhitter test based on tests/link03.c. The comments have been changed to explain how the quickhit package can be used */ /* * 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: quickhit.c,v 1.2 2000/10/10 21:57:51 nstraz Exp $ */ /********************************************************** * * OS Test - Silicon Graphics, Inc. * * TEST IDENTIFIER : link03 * * EXECUTED BY : anyone * * TEST TITLE : multi links tests * * PARENT DOCUMENT : usctpl01 * * TEST CASE TOTAL : 2 * * WALL CLOCK TIME : 1 * * CPU TYPES : ALL * * AUTHOR : Richard Logan * * CO-PILOT : William Roske * * DATE STARTED : 03/31/94 * * INITIAL RELEASE : UNICOS 7.0 * * TEST CASES * * 1.) link(2) returns...(See Description) * * INPUT SPECIFICATIONS * The standard options for system call tests are accepted. * (See the parse_opts(3) man page). * -N #links : Use #links links every iteration * * 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 link(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 * link(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 <sys/types.h> #include <sys/fcntl.h> #include <sys/stat.h> #include <errno.h> #include <string.h> #include <signal.h> /* test.h and usctest.h are the two header files that are required by the * quickhit package. They contain function and macro declarations which you * can use in your test programs */ #include "test.h" #include "usctest.h" /* The setup and cleanup functions are basic parts of a test case. These * steps are usually put in separate functions for clarity. The help function * is only needed when you are adding new command line options. */ void setup(); void help(); void cleanup(); char *TCID="link03"; /* Test program identifier. */ int TST_TOTAL=2; /* Total number of test cases. */ extern int Tst_count; /* Test Case counter for tst_* routines */ extern int Tst_nobuf; int exp_enos[]={0, 0}; #define BASENAME "lkfile" char Basename[255]; char Fname[255]; int Nlinks=0; /* To add command line options you need to declare a structure to pass to * parse_opts(). options is the structure used in this example. The format is * the string that should be added to optstring in getopt(3), an integer that * will be used as a flag if the option is given, and a pointer to a string that * should receive the optarg parameter from getopt(3). Here we add a -N * option. Long options are not supported at this time. */ char *Nlinkarg; int Nflag=0; /* for test specific parse_opts options */ option_t options[] = { { "N:", &Nflag, &Nlinkarg }, /* -N #links */ { NULL, NULL, NULL } }; /*********************************************************************** * Main ***********************************************************************/ int main(int ac, char **av) { int lc; /* loop counter */ char *msg; /* message returned from parse_opts */ struct stat fbuf, lbuf; int cnt; int nlinks; char lname[255]; Tst_nobuf=1; /*************************************************************** * parse standard options ***************************************************************/ /* start off by parsing the command line options. We provide a function * that understands many common options to control looping. If you are not * adding any new options, pass NULL in place of options and &help. */ if ( (msg=parse_opts(ac, av, options, &help)) != (char *) NULL ) { tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); tst_exit(); } if ( Nflag ) { if (sscanf(Nlinkarg, "%i", &Nlinks) != 1 ) { tst_brkm(TBROK, NULL, "--N option arg is not a number"); tst_exit(); } if ( Nlinks > 1000 ) { tst_resm(TWARN, "--N option arg > 1000 - may get errno:%d (EMLINK)", EMLINK); } } /*************************************************************** * perform global setup for test ***************************************************************/ /* Next you should run a setup routine to make sure your environment is * sane. */ setup(); /* set the expected errnos... */ TEST_EXP_ENOS(exp_enos); /*************************************************************** * check looping state ***************************************************************/ /* TEST_LOOPING() is a macro that will make sure the test continues * looping according to the standard command line args. */ for (lc=0; TEST_LOOPING(lc); lc++) { /* reset Tst_count in case we are looping. */ Tst_count=0; if ( Nlinks ) nlinks = Nlinks; else /* min of 10 links and max of a 100 links */ nlinks = (lc%90)+10; for(cnt=1; cnt < nlinks; cnt++) { sprintf(lname, "%s%d", Basename, cnt); /* * Call link(2) */ /* Use the TEST() macro to wrap your syscalls. It saves the return * to TEST_RETURN and the errno to TEST_ERRNO */ TEST(link(Fname, lname)); /* check return code */ if ( TEST_RETURN == -1 ) { /* To gather stats on errnos returned, log the errno */ TEST_ERROR_LOG(TEST_ERRNO); /* If you determine that testing shouldn't continue, report your * results using tst_brkm(). The remaining test cases will be * marked broken. TFAIL is the result type for a test failure, * cleanup is the cleanup routine to call, and the rest is your * message in printf form. */ tst_brkm(TFAIL, cleanup, "link(%s, %s) Failed, errno=%d : %s", Fname, lname, TEST_ERRNO, strerror(TEST_ERRNO)); } } /*************************************************************** * only perform functional verification if flag set (-f not given) ***************************************************************/ if ( STD_FUNCTIONAL_TEST ) { stat(Fname, &fbuf); for(cnt=1; cnt < nlinks; cnt++) { sprintf(lname, "%s%d", Basename, cnt); stat(lname, &lbuf); if ( fbuf.st_nlink <= 1 || lbuf.st_nlink <= 1 || (fbuf.st_nlink != lbuf.st_nlink) ) { /* When you have results to report, and testing can * continue, use tst_resm() to record those results. Use * TFAIL if the test case failed and your message in printf * style. */ tst_resm(TFAIL, "link(%s, %s[1-%d]) ret %d for %d files, stat values do not match %d %d", Fname, Basename, nlinks, TEST_RETURN, nlinks, fbuf.st_nlink, lbuf.st_nlink); break; } } if ( cnt >= nlinks ) { /* Here the test case passed so we use TPASS */ tst_resm(TPASS, "link(%s, %s[1-%d]) ret %d for %d files, stat linkcounts match %d", Fname, Basename, nlinks, TEST_RETURN, nlinks, fbuf.st_nlink); } } else Tst_count++; /* Here we clean up after the test case so we can do another iteration. */ for(cnt=1; cnt < nlinks; cnt++) { sprintf(lname, "%s%d", Basename, cnt); if (unlink(lname) == -1) { tst_res(TWARN, "unlink(%s) Failed, errno=%d : %s", Fname, errno, strerror(errno)); } } } /* End for TEST_LOOPING */ /*************************************************************** * cleanup and exit ***************************************************************/ cleanup(); return 0; } /* End main */ /*************************************************************** * help ***************************************************************/ /* The custom help() function is really simple. Just write your help message to * standard out. Your help function will be called after the standard options * have been printed */ void help() { printf(" -N #links : create #links hard links every iteration\n"); } /*************************************************************** * setup() - performs all ONE TIME setup for this test. ***************************************************************/ void setup() { int fd; /* You will want to enable some signal handling so you can capture * unexpected signals like SIGSEGV. */ tst_sig(NOFORK, DEF_HANDLER, cleanup); /* Pause if that option was specified */ /* One cavet that hasn't been fixed yet. TEST_PAUSE contains the code to * fork the test with the -c option. You want to make sure you do this * before you create your temporary directory. */ TEST_PAUSE; /* If you are doing any file work, you should use a temporary directory. We * provide tst_tmpdir() which will create a uniquely named temporary * directory and cd into it. You can now create files in the current * directory without worrying. */ tst_tmpdir(); sprintf(Fname,"%s_%d", BASENAME, getpid()); if ((fd = open(Fname,O_RDWR|O_CREAT,0700)) == -1) { tst_brkm(TBROK, cleanup, "open(%s, O_RDWR|O_CREAT,0700) Failed, errno=%d : %s", Fname, errno, strerror(errno)); } else if (close(fd) == -1) { tst_res(TWARN, "close(%s) Failed, errno=%d : %s", Fname, errno, strerror(errno)); } sprintf(Basename, "%s_%d.", BASENAME, getpid()); } /*************************************************************** * 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; /* If you use a temporary directory, you need to be sure you remove it. Use * tst_rmdir() to do it automatically. */ tst_rmdir(); /* exit with return code appropriate for results */ tst_exit(); }