77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/**
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* @file psreadwriteutil.h
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* @version $Format:%h%d$
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*
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* Util funtion for chechking errno.
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*
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*/
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/*
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* Copyright (c) 2019 INSIDE Secure Corporation
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* All Rights Reserved
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*
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* The latest version of this code is available at http://www.matrixssl.org
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*
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* This software is open source; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This General Public License does NOT permit incorporating this software
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* into proprietary programs. If you are unable to comply with the GPL, a
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* commercial license for this software may be purchased from INSIDE at
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* http://www.insidesecure.com/
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*
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* This program is distributed in WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; 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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* http://www.gnu.org/copyleft/gpl.html
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*/
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/******************************************************************************/
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#ifndef INCLUDE_GUARD_PSREADWRITEUTIL_H
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#define INCLUDE_GUARD_PSREADWRITEUTIL_H 1
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#include "osdep_errno.h"
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#include "pscompilerdep.h"
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/*
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Return whether the errno passed as a parameter tells that the
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operation would block.
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@param err errno following a read or write
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@retval 1 operation would block.
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@retval 0 operation would not block.
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*/
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static inline int psCheckWouldBlock (int err)
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{
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switch (err)
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{
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# ifdef EAGAIN
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case EAGAIN:
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# endif
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# ifdef EWOULDBLOCK
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# ifdef EAGAIN
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# if EWOULDBLOCK != EAGAIN
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case EWOULDBLOCK:
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# endif
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# else
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case EWOULDBLOCK:
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# endif
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# endif
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return 1;
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default:
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break;
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}
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return 0;
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}
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#endif /* INCLUDE_GUARD_PSREADWRITEUTIL_H */
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/* end of psreadwriteutil.h */
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