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mariadb/mit-pthreads/include/pthread/kernel.h
bk@work.mysql.com f4c589ff6c Import changeset
2000-07-31 21:29:14 +02:00

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/* ==== kernel.h ============================================================
* Copyright (c) 1993 by Chris Provenzano, proven@mit.edu
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Chris Provenzano.
* 4. The name of Chris Provenzano may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``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 CHRIS PROVENZANO 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.
*
* $Id$
*
* Description : mutex header.
*
* 1.00 93/07/22 proven
* -Started coding this file.
*/
/*
* Defines only for the pthread user kernel.
*/
#if defined(PTHREAD_KERNEL)
#ifdef __GNUC__
#include <assert.h>
#endif
#ifdef __ASSERT_FUNCTION
#define PANIC() panic_kernel( __FILE__, __LINE__, __ASSERT_FUNCTION )
#else
#define PANIC() panic_kernel( __FILE__, __LINE__, (const char *)0 )
#endif
/* Time each rr thread gets */
#define PTHREAD_RR_TIMEOUT 100000000
/* Set the errno value */
#define SET_ERRNO(x) \
{ \
if (!pthread_run->error_p) { \
pthread_run->error_p = &pthread_run->error; \
} \
(*(pthread_run->error_p)) = x; \
}
/* Globals only the internals should see */
extern struct pthread_prio_queue * pthread_current_prio_queue;
extern volatile int pthread_kernel_lock;
#endif