/* * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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: readdir01.c,v 1.7 2009/03/23 13:36:01 subrata_modak Exp $ */ /********************************************************** * * OS Test - Silicon Graphics, Inc. * * TEST IDENTIFIER : readdir01 * * EXECUTED BY : anyone * * TEST TITLE : write multiple files and try to find them with readdir * * TEST CASE TOTAL : * * WALL CLOCK TIME : * * CPU TYPES : ALL * * AUTHOR : Nate Straz * * CO-PILOT : * * DATE STARTED : 02/16/2001 * * INITIAL RELEASE : Linux 2.4.x * * TEST CASES * * 1.) Create n files and check that readdir() finds n files * * 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 readdir(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 * readdir(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 #include #include #include "test.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 = "readdir01"; int TST_TOTAL = 2; #define BASENAME "readdirfile" char Basename[255]; char Fname[255]; int Nfiles = 0; char *Nfilearg; int Nflag = 0; option_t options[] = { {"N:", &Nflag, &Nfilearg}, /* -N #files */ {NULL, NULL, NULL} }; /*********************************************************************** * Main ***********************************************************************/ int main(int ac, char **av) { int lc; int cnt; int nfiles, fd; char fname[255]; DIR *test_dir; struct dirent *dptr; tst_parse_opts(ac, av, options, &help); if (Nflag) { if (sscanf(Nfilearg, "%i", &Nfiles) != 1) { tst_brkm(TBROK, NULL, "--N option arg is not a number"); } } /*************************************************************** * perform global setup for test ***************************************************************/ /* Next you should run a setup routine to make sure your environment is * sane. */ setup(); /*************************************************************** * 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++) { tst_count = 0; if (Nfiles) nfiles = Nfiles; else /* min of 10 links and max of a 100 links */ nfiles = (lc % 90) + 10; /* create a bunch of files to look at */ for (cnt = 0; cnt < nfiles; cnt++) { sprintf(fname, "%s%d", Basename, cnt); 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 (write(fd, "hello\n", 6) < 0) { tst_brkm(TBROK, cleanup, "write(%s, \"hello\\n\", 6) Failed, errno=%d : %s", fname, errno, strerror(errno)); } else if (close(fd) < 0) { tst_resm(TWARN, "close(%s) Failed, errno=%d : %s", fname, errno, strerror(errno)); } } if ((test_dir = opendir(".")) == NULL) { tst_resm(TFAIL, "opendir(\".\") Failed, errno=%d : %s", errno, strerror(errno)); } else { /* count the entries we find to see if any are missing */ cnt = 0; errno = 0; while ((dptr = readdir(test_dir)) != 0) { if (strcmp(dptr->d_name, ".") && strcmp(dptr->d_name, "..")) cnt++; } if (errno != 0) { tst_resm(TFAIL, "readir(test_dir) Failed on try %d, errno=%d : %s", cnt + 1, errno, strerror(errno)); } if (cnt == nfiles) { tst_resm(TPASS, "found all %d that were created", nfiles); } else if (cnt > nfiles) { tst_resm(TFAIL, "found more files than were created"); tst_resm(TINFO, "created: %d, found: %d", nfiles, cnt); } else { tst_resm(TFAIL, "found less files than were created"); tst_resm(TINFO, "created: %d, found: %d", nfiles, cnt); } } /* Here we clean up after the test case so we can do another iteration. */ for (cnt = 0; cnt < nfiles; cnt++) { sprintf(fname, "%s%d", Basename, cnt); if (unlink(fname) == -1) { tst_resm(TWARN, "unlink(%s) Failed, errno=%d : %s", Fname, errno, strerror(errno)); } } } /*************************************************************** * cleanup and exit ***************************************************************/ cleanup(); tst_exit(); } /*************************************************************** * 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(void) { printf(" -N #files : create #files files every iteration\n"); } /*************************************************************** * setup() - performs all ONE TIME setup for this test. ***************************************************************/ void setup(void) { /* You will want to enable some signal handling so you can capture * unexpected signals like SIGSEGV. */ tst_sig(NOFORK, DEF_HANDLER, cleanup); /* 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(Basename, "%s_%d.", BASENAME, getpid()); } /*************************************************************** * cleanup() - performs all ONE TIME cleanup for this test at * completion or premature exit. ***************************************************************/ void cleanup(void) { /* If you use a temporary directory, you need to be sure you remove it. Use * tst_rmdir() to do it automatically.$ */ tst_rmdir(); }