newlib-cygwin/winsup/testsuite/winsup.api/ltp/select03.c

283 lines
7.8 KiB
C

/*
* 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 <errno.h>
#include <signal.h>
#include <fcntl.h> /* For open system call parameters. */
#include <signal.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include "test.h"
#include "usctest.h"
#define FILENAME "select03"
extern void setup();
extern void cleanup();
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() */