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#ifndef CYGONCE_SIGSETJMP_H
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#define CYGONCE_SIGSETJMP_H
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//=============================================================================
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//
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// sigsetjmp.h
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//
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// POSIX sigsetjmp header
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//
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//=============================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): nickg, jlarmour
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// Contributors:
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// Date: 2000-03-17
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// Purpose: POSIX sigsetjmp header
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// Description: This header contains all the definitions needed to support
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// the POSIX sigsetjmp/siglongjmp API under eCos.
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//
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// Usage: This file must be included indirectly via
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// the C library setjmp.h header.
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//
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <signal.h>
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#include <cyg/hal/hal_arch.h> // hal_jmp_buf
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//=============================================================================
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// sigjmp_buf structure
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// The API requires this to be an array type, but this array actually
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// contains three fields:
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// 0..sizeof(hal_jmp_buf)-1 HAL jump buffer
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// sizeof(hal_jmp_buf) savemask value (an int)
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// sizeof(hal_jmp_buf)+sizeof(int)... sigset_t containing saved mask
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typedef struct {
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hal_jmp_buf __jmp_buf;
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int __savemask;
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sigset_t __sigsavemask;
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} sigjmp_buf[1];
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//=============================================================================
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// sigsetjmp() macro
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#define sigsetjmp( _env_, _savemask_ ) \
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( \
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((_env_)[0].__savemask = _savemask_), \
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((_savemask_)?pthread_sigmask(SIG_BLOCK,NULL,&((_env_)[0].__sigsavemask)):0),\
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hal_setjmp((_env_)[0].__jmp_buf) \
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)
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//=============================================================================
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// siglongjmp function
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__externC void siglongjmp( sigjmp_buf env, int val );
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//-----------------------------------------------------------------------------
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#endif // ifndef CYGONCE_SIGSETJMP_H
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// End of sigsetjmp.h
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