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[glibc.git] / sysdeps / generic / select.c
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1 /* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <sys/time.h>
20 #include <sys/types.h>
21 #include <errno.h>
23 /* Check the first NFDS descriptors each in READFDS (if not NULL) for read
24 readiness, in WRITEFDS (if not NULL) for write readiness, and in EXCEPTFDS
25 (if not NULL) for exceptional conditions. If TIMEOUT is not NULL, time out
26 after waiting the interval specified therein. Returns the number of ready
27 descriptors, or -1 for errors. */
28 int
29 __select (nfds, readfds, writefds, exceptfds, timeout)
30 int nfds;
31 fd_set *readfds;
32 fd_set *writefds;
33 fd_set *exceptfds;
34 struct timeval *timeout;
36 __set_errno (ENOSYS);
37 return -1;
39 stub_warning (select)
41 weak_alias (__select, select)
42 #include <stub-tag.h>