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2493f121dc
Call Describe functions from test cases so that we get coverage. Copied from Perforce Change: 186000 ServerID: perforce.ravenbrook.com
115 lines
3.8 KiB
C
115 lines
3.8 KiB
C
/* th.h: THREAD MANAGER
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*
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* $Id$
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* Copyright (c) 2001 Ravenbrook Limited. See end of file for license.
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*
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* .purpose: Provides thread suspension facilities to the shield.
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* See <design/thread-manager/>. Each thread has to be
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* individually registered and deregistered with an arena.
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*/
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#ifndef th_h
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#define th_h
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#include "mpmtypes.h"
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#include "ring.h"
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#define ThreadSig ((Sig)0x519286ED) /* SIGnature THREaD */
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extern Bool ThreadCheck(Thread thread);
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/* ThreadCheckSimple
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*
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* Simple thread-safe check of a thread object.
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*/
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extern Bool ThreadCheckSimple(Thread thread);
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extern Res ThreadDescribe(Thread thread, mps_lib_FILE *stream, Count depth);
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/* Register/Deregister
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*
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* Explicitly register/deregister a thread on the arena threadRing.
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* Register returns a "Thread" value which needs to be used
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* for deregistration.
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*
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* Threads must not be multiply registered in the same arena.
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*/
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extern Res ThreadRegister(Thread *threadReturn, Arena arena);
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extern void ThreadDeregister(Thread thread, Arena arena);
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/* ThreadRingSuspend/Resume
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*
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* These functions suspend/resume the threads on the ring.
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* If the current thread is among them, it is not suspended,
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* nor is any attempt to resume it made.
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*/
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extern void ThreadRingSuspend(Ring threadRing);
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extern void ThreadRingResume(Ring threadRing);
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/* ThreadRingThread
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*
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* Return the thread from an element of the Arena's
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* thread ring.
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*/
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extern Thread ThreadRingThread(Ring threadRing);
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extern Arena ThreadArena(Thread thread);
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extern Res ThreadScan(ScanState ss, Thread thread, void *stackBot);
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#endif /* th_h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
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* All rights reserved. This is an open source license. Contact
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* Ravenbrook for commercial licensing options.
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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 are
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* met:
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*
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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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*
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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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*
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* 3. Redistributions in any form must be accompanied by information on how
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* to obtain complete source code for this software and any accompanying
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* software that uses this software. The source code must either be
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* included in the distribution or be available for no more than the cost
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* of distribution plus a nominal fee, and must be freely redistributable
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* under reasonable conditions. For an executable file, complete source
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* code means the source code for all modules it contains. It does not
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* include source code for modules or files that typically accompany the
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* major components of the operating system on which the executable file
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* runs.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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