87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/* ==== engine.h ============================================================
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* Copyright (c) 1993 by Chris Provenzano, proven@mit.edu
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Chris Provenzano.
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* 4. The name of Chris Provenzano may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <unistd.h>
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#include <setjmp.h>
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#include <sys/time.h>
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#if defined(PTHREAD_KERNEL)
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#include "machdep.h"
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#endif
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/*
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* New types
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*/
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typedef long semaphore;
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#define SIGMAX 31
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/*
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* New Strutures
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*/
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struct machdep_pthread {
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void *(*start_routine)(void *);
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void *start_argument;
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void *machdep_stack;
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struct itimerval machdep_timer;
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jmp_buf machdep_state;
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};
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/*
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* Static machdep_pthread initialization values.
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* For initial thread only.
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*/
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#define MACHDEP_PTHREAD_INIT \
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{ NULL, NULL, NULL, { { 0, 0 }, { 0, 0 } }, 0 }
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/*
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* Some fd flag defines that are necessary to distinguish between posix
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* behavior and bsd4.3 behavior.
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*/
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#define __FD_NONBLOCK O_NONBLOCK
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/*
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* New functions
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*/
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__BEGIN_DECLS
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#if defined(PTHREAD_KERNEL)
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int semaphore_text_and_set __P((semaphore *));
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int machdep_save_state __P((void));
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#endif
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__END_DECLS
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