/*
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* Copyright (C) 2010 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#include <errno.h>
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#include <pthread.h>
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#include <sys/select.h>
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#include <asm/xenomai/syscall.h>
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#include "internal.h"
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COBALT_IMPL(int, select, (int __nfds, fd_set *__restrict __readfds,
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fd_set *__restrict __writefds,
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fd_set *__restrict __exceptfds,
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struct timeval *__restrict __timeout))
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{
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int err, oldtype;
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pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
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err = XENOMAI_SYSCALL5(sc_cobalt_select, __nfds,
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__readfds, __writefds, __exceptfds, __timeout);
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pthread_setcanceltype(oldtype, NULL);
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if (err == -EADV || err == -EPERM || err == -ENOSYS)
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return __STD(select(__nfds, __readfds,
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__writefds, __exceptfds, __timeout));
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if (err >= 0)
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return err;
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errno = -err;
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return -1;
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}
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