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Initial Spring 2016 commit.

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Geoffrey Challen
2015-12-23 00:50:04 +00:00
commit cafa9f5690
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kern/include/threadprivate.h Normal file
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/*
* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
* The President and Fellows of Harvard College.
*
* 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 the University 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 THE UNIVERSITY 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 UNIVERSITY 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.
*/
#ifndef _THREADPRIVATE_H_
#define _THREADPRIVATE_H_
struct thread; /* from <thread.h> */
struct thread_machdep; /* from <machine/thread.h> */
struct switchframe; /* from <machine/switchframe.h> */
/*
* Subsystem-private thread defs.
*
* This file is to be used only by the thread subsystem. However, it
* has to be placed in the public include directory (rather than the
* threads directory) so the machine-dependent thread code can include
* it. This is one of the drawbacks of putting all machine-dependent
* material in a single directory: it exposes what ought to be private
* interfaces.
*/
/*
* Private thread functions.
*/
/* Entry point for new threads. */
void thread_startup(void (*entrypoint)(void *data1, unsigned long data2),
void *data1, unsigned long data2);
/* Initialize or clean up the machine-dependent portion of struct thread */
void thread_machdep_init(struct thread_machdep *tm);
void thread_machdep_cleanup(struct thread_machdep *tm);
/*
* Machine-dependent functions for working on switchframes.
*
* Note that while the functions themselves are machine-dependent, their
* declarations are not.
*/
/* Assembler-level context switch. */
void switchframe_switch(struct switchframe **prev, struct switchframe **next);
/* Thread initialization */
void switchframe_init(struct thread *,
void (*entrypoint)(void *data1, unsigned long data2),
void *data1, unsigned long data2);
#endif /* _THREADPRIVATE_H_ */