115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
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/*
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* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
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*
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*/
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/*
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* AUTHOR : Richard Logan
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* CO-PILOT : Glen Overby
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* DATE STARTED : 02/24/93
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*
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* TEST CASES
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* 1.) select(2) to fd of system pipe with no I/O and small timeout
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*/
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#include <errno.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include "test.h"
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#include "safe_macros.h"
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static void setup(void);
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char *TCID = "select02";
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int TST_TOTAL = 1;
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int Fd[2];
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fd_set saved_Readfds, saved_Writefds;
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fd_set Readfds, Writefds;
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int main(int ac, char **av)
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{
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int lc;
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struct timeval timeout;
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long test_time = 0; /* in usecs */
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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tst_count = 0;
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test_time = ((lc % 2000) * 100000); /* 100 milli-seconds */
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if (test_time > 1000000 * 60)
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test_time = test_time % (1000000 * 60);
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timeout.tv_sec = test_time / 1000000;
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timeout.tv_usec = test_time - (timeout.tv_sec * 1000000);
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Readfds = saved_Readfds;
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Writefds = saved_Writefds;
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TEST(select(5, &Readfds, &Writefds, 0, &timeout));
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if (TEST_RETURN == -1) {
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tst_resm(TFAIL,
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"%d select(5, &Readfds, &Writefds, 0, &timeout) failed, errno=%d\n",
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lc, errno);
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} else {
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tst_resm(TPASS,
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"select(5, &Readfds, &Writefds, 0, &timeout) timeout = %ld usecs",
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test_time);
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}
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}
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tst_exit();
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}
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static void setup(void)
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{
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tst_sig(FORK, DEF_HANDLER, NULL);
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TEST_PAUSE;
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SAFE_PIPE(NULL, Fd);
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FD_ZERO(&saved_Readfds);
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FD_ZERO(&saved_Writefds);
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FD_SET(Fd[0], &saved_Readfds);
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FD_SET(Fd[1], &saved_Writefds);
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}
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