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/* -----------------------------------------------------------------------------
*
* (c) The GHC Team, 1998-2004
*
* Stable Pointers: A stable pointer is represented as an index into
* the stable pointer table.
*
* StgStablePtr used to be a synonym for StgWord, but stable pointers
* are guaranteed to be void* on the C-side, so we have to do some
* occasional casting. Size is not a matter, because StgWord is always
* the same size as a void*.
*
* ---------------------------------------------------------------------------*/
#ifndef STABLE_H
#define STABLE_H
#include "sm/GC.h" // for evac_fn below
#include "BeginPrivate.h"
void freeStablePtr ( StgStablePtr sp );
/* Use the "Unsafe" one after manually locking with stableLock/stableUnlock */
void freeStablePtrUnsafe ( StgStablePtr sp );
void initStableTables ( void );
void exitStableTables ( void );
StgWord lookupStableName ( StgPtr p );
/* Call given function on every stable ptr. markStableTables depends
* on the function updating its pointers in case the object is
* moved. */
/* TODO: This also remembers old stable name addresses, which isn't
* necessary in some contexts markStableTables is called from.
* Consider splitting it.
*/
void markStableTables ( evac_fn evac, void *user );
void threadStableTables ( evac_fn evac, void *user );
void gcStableTables ( void );
void updateStableTables ( rtsBool full );
void stableLock ( void );
void stableUnlock ( void );
#ifdef THREADED_RTS
// needed by Schedule.c:forkProcess()
extern Mutex stable_mutex;
#endif
#include "EndPrivate.h"
#endif /* STABLE_H */
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