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/* ---------------------------------------------------------------------------
*
* (c) The GHC Team, 2006
*
* Thread-related functionality
*
* --------------------------------------------------------------------------*/
#ifndef THREADS_H
#define THREADS_H
#include "BeginPrivate.h"
#define END_BLOCKED_EXCEPTIONS_QUEUE ((MessageThrowTo*)END_TSO_QUEUE)
StgTSO * unblockOne (Capability *cap, StgTSO *tso);
StgTSO * unblockOne_ (Capability *cap, StgTSO *tso, bool allow_migrate);
void checkBlockingQueues (Capability *cap, StgTSO *tso);
void tryWakeupThread (Capability *cap, StgTSO *tso);
void migrateThread (Capability *from, StgTSO *tso, Capability *to);
// Wakes up a thread on a Capability (probably a different Capability
// from the one held by the current Task).
//
#ifdef THREADED_RTS
void wakeupThreadOnCapability (Capability *cap,
Capability *other_cap,
StgTSO *tso);
#endif
void updateThunk (Capability *cap, StgTSO *tso,
StgClosure *thunk, StgClosure *val);
bool removeThreadFromQueue (Capability *cap, StgTSO **queue, StgTSO *tso);
bool removeThreadFromDeQueue (Capability *cap, StgTSO **head, StgTSO **tail, StgTSO *tso);
StgBool isThreadBound (StgTSO* tso);
// Overfow/underflow
void threadStackOverflow (Capability *cap, StgTSO *tso);
W_ threadStackUnderflow (Capability *cap, StgTSO *tso);
bool performTryPutMVar(Capability *cap, StgMVar *mvar, StgClosure *value);
#ifdef DEBUG
void printThreadBlockage (StgTSO *tso);
void printThreadStatus (StgTSO *t);
void printAllThreads (void);
void printThreadQueue (StgTSO *t);
#endif
#include "EndPrivate.h"
#endif /* THREADS_H */
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