/* * 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 : select03 * * EXECUTED BY : anyone * * TEST TITLE : select of fd of a named-pipe (FIFO) * * PARENT DOCUMENT : usctpl01 * * TEST CASE TOTAL : 1 * * WALL CLOCK TIME : 1 * * CPU TYPES : ALL * * AUTHOR : Richard Logan * * CO-PILOT : Glen Overby * * DATE STARTED : 02/24/93 * * INITIAL RELEASE : UNICOS 7.0 * * TEST CASES * * 1.) select(2) of fd of a named-pipe (FIFO) with no I/O and small timeout value * * 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 select(2) system call. It is intended * to provide a limited exposure of the system call, for now. * * 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 /* For open system call parameters. */ #include #include #include #include #include #include "test.h" #include "usctest.h" #define FILENAME "select03" extern void setup(); extern void cleanup(); const char *TCID="select03"; /* Test program identifier. */ int TST_TOTAL=1; /* Total number of test cases. */ extern int Tst_count; /* Test Case counter for tst_* routines */ int Fd; fd_set saved_Readfds, saved_Writefds; fd_set Readfds, Writefds; /*********************************************************************** * MAIN ***********************************************************************/ int main(int ac, char **av) { int lc; /* loop counter */ const char *msg; /* message returned from parse_opts */ struct timeval timeout; long test_time = 0; /* in usecs */ /*************************************************************** * parse standard options, and exit if there is an error ***************************************************************/ if ( (msg=parse_opts(ac, av, (option_t *) NULL, NULL)) != (char *) NULL ) { tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); tst_exit(); } /*************************************************************** * perform global setup for test ***************************************************************/ setup(); /*************************************************************** * 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; /* * Assigning the specified seconds within the timeval structure. */ test_time = ((lc%2000)*100000); /* 100 milli-seconds */ /* * Bound the time to a value less than 60 seconds */ if ( test_time > 1000000 * 60 ) test_time = test_time % (1000000 * 60); timeout.tv_sec = test_time / 1000000; timeout.tv_usec = test_time - (timeout.tv_sec * 1000000); Readfds = saved_Readfds; Writefds = saved_Writefds; /* Call the system call being tested. */ TEST(select(5, &Readfds, &Writefds, 0, &timeout)); /* check return code */ if ( TEST_RETURN == -1 ) { TEST_ERROR_LOG(TEST_ERRNO); tst_resm(TFAIL, "%d select(5, &Readfds, &Writefds, 0, &timeout) failed errno=%d\n", lc, errno); } else { /*************************************************************** * only perform functional verification if flag set (-f not given) ***************************************************************/ if ( STD_FUNCTIONAL_TEST ) { /* Perform functional verification here */ tst_resm(TPASS, "select(5, &Readfds, &Writefds, 0, &timeout) timeout = %ld usecs", test_time); } } } /* 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(FORK, DEF_HANDLER, cleanup); /* create a temporary directory and go to it */ tst_tmpdir(); /* make and open FIFO */ if ( mkfifo(FILENAME, 0777) == -1 ) { tst_brkm(TBROK, cleanup, "mkfifo(%s, 0777) failed, errno=%d", FILENAME, errno); } if ((Fd=open(FILENAME, O_RDWR)) == -1 ) { tst_brkm(TBROK, cleanup, "open(%s, O_RDWR) failed, errno=%d", FILENAME, errno); } /* * Initializing and assigning the standard output file descriptor to * fd_set for select. */ FD_ZERO(&saved_Readfds); FD_ZERO(&saved_Writefds); FD_SET(Fd, &saved_Readfds); FD_SET(Fd, &saved_Writefds); /* 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 temporary directory and all files in it. */ tst_rmdir(); /* exit with return code appropriate for results */ tst_exit(); } /* End cleanup() */