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/*
* Copyright (c) 1994 by Xerox Corporation. All rights reserved.
* Copyright (c) 1996 by Silicon Graphics. All rights reserved.
* Copyright (c) 1998 by Fergus Henderson. All rights reserved.
* Copyright (c) 2000-2009 by Hewlett-Packard Development Company.
* All rights reserved.
*
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
*
* Permission is hereby granted to use or copy this program
* for any purpose, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*/
#ifndef GC_DARWIN_STOP_WORLD_H
#define GC_DARWIN_STOP_WORLD_H
#if !defined(GC_DARWIN_THREADS)
# error darwin_stop_world.h included without GC_DARWIN_THREADS defined
#endif
#include <mach/mach.h>
#include <mach/thread_act.h>
struct thread_stop_info {
mach_port_t mach_thread;
ptr_t stack_ptr; /* Valid only when thread is in a "blocked" state. */
};
#ifndef DARWIN_DONT_PARSE_STACK
GC_INNER ptr_t GC_FindTopOfStack(unsigned long);
#endif
#ifdef MPROTECT_VDB
GC_INNER void GC_mprotect_stop(void);
GC_INNER void GC_mprotect_resume(void);
#endif
#if defined(PARALLEL_MARK) && !defined(GC_NO_THREADS_DISCOVERY)
GC_INNER GC_bool GC_is_mach_marker(thread_act_t);
#endif
#endif
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