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glibc  2.9
select.c
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00001 /* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <sys/time.h>
00020 #include <sys/types.h>
00021 #include <errno.h>
00022 
00023 /* Check the first NFDS descriptors each in READFDS (if not NULL) for read
00024    readiness, in WRITEFDS (if not NULL) for write readiness, and in EXCEPTFDS
00025    (if not NULL) for exceptional conditions.  If TIMEOUT is not NULL, time out
00026    after waiting the interval specified therein.  Returns the number of ready
00027    descriptors, or -1 for errors.  */
00028 int
00029 __select (nfds, readfds, writefds, exceptfds, timeout)
00030      int nfds;
00031      fd_set *readfds;
00032      fd_set *writefds;
00033      fd_set *exceptfds;
00034      struct timeval *timeout;
00035 {
00036   __set_errno (ENOSYS);
00037   return -1;
00038 }
00039 libc_hidden_def (__select)
00040 stub_warning (select)
00041 
00042 weak_alias (__select, select)
00043 #include <stub-tag.h>