| /* |
| * 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/ |
| * |
| */ |
| /* |
| * AUTHOR : Richard Logan |
| * CO-PILOT : Glen Overby |
| * DATE STARTED : 02/24/93 |
| * |
| * TEST CASES |
| * 1.) select(2) to fd of system pipe with no I/O and small timeout |
| */ |
| #include <errno.h> |
| #include <signal.h> |
| #include <fcntl.h> |
| #include <signal.h> |
| #include <sys/param.h> |
| #include <sys/types.h> |
| #include <sys/time.h> |
| |
| #include "test.h" |
| #include "safe_macros.h" |
| |
| static void setup(void); |
| |
| char *TCID = "select02"; |
| int TST_TOTAL = 1; |
| |
| int Fd[2]; |
| fd_set saved_Readfds, saved_Writefds; |
| fd_set Readfds, Writefds; |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| struct timeval timeout; |
| long test_time = 0; /* in usecs */ |
| |
| tst_parse_opts(ac, av, NULL, NULL); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| tst_count = 0; |
| |
| test_time = ((lc % 2000) * 100000); /* 100 milli-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; |
| |
| TEST(select(5, &Readfds, &Writefds, 0, &timeout)); |
| |
| if (TEST_RETURN == -1) { |
| tst_resm(TFAIL, |
| "%d select(5, &Readfds, &Writefds, 0, &timeout) failed, errno=%d\n", |
| lc, errno); |
| } else { |
| tst_resm(TPASS, |
| "select(5, &Readfds, &Writefds, 0, &timeout) timeout = %ld usecs", |
| test_time); |
| } |
| |
| } |
| |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| tst_sig(FORK, DEF_HANDLER, NULL); |
| |
| TEST_PAUSE; |
| |
| SAFE_PIPE(NULL, Fd); |
| |
| FD_ZERO(&saved_Readfds); |
| FD_ZERO(&saved_Writefds); |
| FD_SET(Fd[0], &saved_Readfds); |
| FD_SET(Fd[1], &saved_Writefds); |
| } |