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/* ---------------------------------------------------------------------------
*
* (c) The GHC Team, 2010
*
* Inter-Capability message passing
*
* --------------------------------------------------------------------------*/
#pragma once
#include "Capability.h"
#include "Updates.h" // for DEBUG_FILL_SLOP
#include "Schedule.h" // for SCHED_INTERRUPTING
#include "SMPClosureOps.h"
#include "BeginPrivate.h"
uint32_t messageBlackHole(Capability *cap, MessageBlackHole *msg);
StgTSO * blackHoleOwner (StgClosure *bh);
#if defined(THREADED_RTS)
void executeMessage (Capability *cap, Message *m);
void sendMessage (Capability *from_cap, Capability *to_cap, Message *msg);
#endif
INLINE_HEADER void
doneWithMsgThrowTo (Capability *cap, MessageThrowTo *m)
{
// The message better be locked (unless we are running single-threaded,
// where we are a bit more lenient (#19075) or we got here from
// deleteAllThreads() due to RTS shutdown).
ASSERT(getNumCapabilities() == 1 || m->header.info == &stg_WHITEHOLE_info || getSchedState() == SCHED_INTERRUPTING);
IF_NONMOVING_WRITE_BARRIER_ENABLED {
updateRemembSetPushMessageThrowTo(cap, m);
}
OVERWRITING_CLOSURE((StgClosure*)m);
unlockClosure((StgClosure*)m, &stg_MSG_NULL_info);
LDV_RECORD_CREATE(m);
}
#include "EndPrivate.h"
#if defined(THREADED_RTS) && defined(PROF_SPIN)
extern volatile StgWord64 whitehole_executeMessage_spin;
#endif
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