dcethread-util.h   [plain text]


/*
 * Copyright (c) 2010 Apple Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Portions of this software have been released under the following terms:
 *
 * (c) Copyright 1989-1993 OPEN SOFTWARE FOUNDATION, INC.
 * (c) Copyright 1989-1993 HEWLETT-PACKARD COMPANY
 * (c) Copyright 1989-1993 DIGITAL EQUIPMENT CORPORATION
 *
 * To anyone who acknowledges that this file is provided "AS IS"
 * without any express or implied warranty:
 * permission to use, copy, modify, and distribute this file for any
 * purpose is hereby granted without fee, provided that the above
 * copyright notices and this notice appears in all source code copies,
 * and that none of the names of Open Software Foundation, Inc., Hewlett-
 * Packard Company or Digital Equipment Corporation be used
 * in advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission.  Neither Open Software
 * Foundation, Inc., Hewlett-Packard Company nor Digital
 * Equipment Corporation makes any representations about the suitability
 * of this software for any purpose.
 *
 * Copyright (c) 2007, Novell, Inc. All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Novell Inc. nor the names of its contributors
 *     may be used to endorse or promote products derived from this
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @APPLE_LICENSE_HEADER_END@
 */

#ifndef __DCETHREAD_UTIL_H__
#define __DCETHREAD_UTIL_H__

#include <errno.h>

#include "dcethread-exception.h"

int dcethread__set_errno(int err);

#define DCETHREAD_BEGIN_SYSCALL \
    do                                                                  \
    {                                                                   \
        if (dcethread__begin_block (dcethread__self(), NULL, NULL, NULL, NULL)) \
        {                                                               \
            dcethread__dispatchinterrupt(dcethread__self());            \
            return dcethread__set_errno(EINTR);                         \
        }                                                               \
    } while (0)

#define DCETHREAD_END_SYSCALL                                           \
    do                                                                  \
    {                                                                   \
        if (dcethread__end_block (dcethread__self(), NULL, NULL))       \
        {                                                               \
            dcethread__dispatchinterrupt(dcethread__self());            \
            return dcethread__set_errno(EINTR);                         \
        }                                                               \
    } while (0)

#define DCETHREAD_SYSCALL(type, expr)      \
    do					   \
    {					   \
        type ret;                          \
        int err;                           \
	DCETHREAD_BEGIN_SYSCALL;	   \
    	ret = (expr);			   \
	err = errno;			   \
	DCETHREAD_END_SYSCALL;		   \
        errno = err;			   \
        return ret;			   \
    } while(0);

#define DCETHREAD_WRAP_THROW_TYPE(type, expr)				\
    do									\
    {									\
        type ret = (expr);						\
        if (ret < 0)							\
	    dcethread__exc_raise(dcethread__exc_from_errno(errno), __FILE__, __LINE__); \
	return ret;							\
    } while (0);							\

#define DCETHREAD_WRAP_THROW(expr) DCETHREAD_WRAP_THROW_TYPE(int, expr)

#endif