/* ----------------------------------------------------------------------------
- * $Id: RtsAPI.c,v 1.34 2002/04/13 05:28:04 sof Exp $
+ * $Id: RtsAPI.c,v 1.37 2002/12/02 14:33:10 simonmar Exp $
*
* (c) The GHC Team, 1998-2001
*
#include "OSThreads.h"
#include "Schedule.h"
-#if defined(THREADED_RTS)
-#define WAIT_MAIN_THREAD(tso,ret) waitThread_(tso,ret,rtsFalse)
-#define WAIT_EXT_THREAD(tso,ret) waitThread_(tso,ret,rtsTrue)
-#else
-#define WAIT_MAIN_THREAD(tso,ret) waitThread(tso,ret)
-#define WAIT_EXT_THREAD(tso,ret) waitThread(tso,ret)
-#endif
-
#if defined(RTS_SUPPORTS_THREADS)
/* Cheesy locking scheme while waiting for the
* RTS API to change.
HaskellObj
rts_apply (HaskellObj f, HaskellObj arg)
{
- StgAP_UPD *ap = (StgAP_UPD *)alloc(AP_sizeW(1));
- SET_HDR(ap, &stg_AP_UPD_info, CCS_SYSTEM);
- ap->n_args = 1;
- ap->fun = f;
- ap->payload[0] = arg;
- return (StgClosure *)ap;
+ StgClosure *ap;
+
+ ap = (StgClosure *)alloc(sizeofW(StgClosure) + 2);
+ SET_HDR(ap, (StgInfoTable *)&stg_ap_2_upd_info, CCS_SYSTEM);
+ ap->payload[0] = f;
+ ap->payload[1] = arg;
+ return (StgClosure *)ap;
}
/* ----------------------------------------------------------------------------
Deconstructing Haskell objects
+
+ We would like to assert that we have the right kind of object in
+ each case, but this is problematic because in GHCi the info table
+ for the D# constructor (say) might be dynamically loaded. Hence we
+ omit these assertions for now.
------------------------------------------------------------------------- */
HsChar
rts_getChar (HaskellObj p)
{
- if ( p->header.info == Czh_con_info ||
- p->header.info == Czh_static_info) {
+ // See comment above:
+ // ASSERT(p->header.info == Czh_con_info ||
+ // p->header.info == Czh_static_info);
return (StgChar)(StgWord)(p->payload[0]);
- } else {
- barf("rts_getChar: not a Char");
- }
}
HsInt
rts_getInt (HaskellObj p)
{
- if ( 1 ||
- p->header.info == Izh_con_info ||
- p->header.info == Izh_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == Izh_con_info ||
+ // p->header.info == Izh_static_info);
return (HsInt)(p->payload[0]);
- } else {
- barf("rts_getInt: not an Int");
- }
}
HsInt8
rts_getInt8 (HaskellObj p)
{
- if ( 1 ||
- p->header.info == I8zh_con_info ||
- p->header.info == I8zh_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == I8zh_con_info ||
+ // p->header.info == I8zh_static_info);
return (HsInt8)(HsInt)(p->payload[0]);
- } else {
- barf("rts_getInt8: not an Int8");
- }
}
HsInt16
rts_getInt16 (HaskellObj p)
{
- if ( 1 ||
- p->header.info == I16zh_con_info ||
- p->header.info == I16zh_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == I16zh_con_info ||
+ // p->header.info == I16zh_static_info);
return (HsInt16)(HsInt)(p->payload[0]);
- } else {
- barf("rts_getInt16: not an Int16");
- }
}
HsInt32
rts_getInt32 (HaskellObj p)
{
- if ( 1 ||
- p->header.info == I32zh_con_info ||
- p->header.info == I32zh_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == I32zh_con_info ||
+ // p->header.info == I32zh_static_info);
return (HsInt32)(p->payload[0]);
- } else {
- barf("rts_getInt32: not an Int32");
- }
}
HsInt64
rts_getInt64 (HaskellObj p)
{
- HsInt64* tmp;
- if ( 1 ||
- p->header.info == I64zh_con_info ||
- p->header.info == I64zh_static_info ) {
+ HsInt64* tmp;
+ // See comment above:
+ // ASSERT(p->header.info == I64zh_con_info ||
+ // p->header.info == I64zh_static_info);
tmp = (HsInt64*)&(p->payload[0]);
return *tmp;
- } else {
- barf("rts_getInt64: not an Int64");
- }
}
HsWord
rts_getWord (HaskellObj p)
{
- if ( 1 || /* see above comment */
- p->header.info == Wzh_con_info ||
- p->header.info == Wzh_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == Wzh_con_info ||
+ // p->header.info == Wzh_static_info);
return (HsWord)(p->payload[0]);
- } else {
- barf("rts_getWord: not a Word");
- }
}
HsWord8
rts_getWord8 (HaskellObj p)
{
- if ( 1 || /* see above comment */
- p->header.info == W8zh_con_info ||
- p->header.info == W8zh_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == W8zh_con_info ||
+ // p->header.info == W8zh_static_info);
return (HsWord8)(HsWord)(p->payload[0]);
- } else {
- barf("rts_getWord8: not a Word8");
- }
}
HsWord16
rts_getWord16 (HaskellObj p)
{
- if ( 1 || /* see above comment */
- p->header.info == W16zh_con_info ||
- p->header.info == W16zh_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == W16zh_con_info ||
+ // p->header.info == W16zh_static_info);
return (HsWord16)(HsWord)(p->payload[0]);
- } else {
- barf("rts_getWord16: not a Word16");
- }
}
HsWord32
rts_getWord32 (HaskellObj p)
{
- if ( 1 || /* see above comment */
- p->header.info == W32zh_con_info ||
- p->header.info == W32zh_static_info ) {
- return (unsigned int)(p->payload[0]);
- } else {
- barf("rts_getWord: not a Word");
- }
+ // See comment above:
+ // ASSERT(p->header.info == W32zh_con_info ||
+ // p->header.info == W32zh_static_info);
+ return (HsWord32)(p->payload[0]);
}
HsWord64
rts_getWord64 (HaskellObj p)
{
- HsWord64* tmp;
- if ( 1 || /* see above comment */
- p->header.info == W64zh_con_info ||
- p->header.info == W64zh_static_info ) {
+ HsWord64* tmp;
+ // See comment above:
+ // ASSERT(p->header.info == W64zh_con_info ||
+ // p->header.info == W64zh_static_info);
tmp = (HsWord64*)&(p->payload[0]);
return *tmp;
- } else {
- barf("rts_getWord64: not a Word64");
- }
}
HsFloat
rts_getFloat (HaskellObj p)
{
- if ( p->header.info == Fzh_con_info ||
- p->header.info == Fzh_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == Fzh_con_info ||
+ // p->header.info == Fzh_static_info);
return (float)(PK_FLT((P_)p->payload));
- } else {
- barf("rts_getFloat: not a Float");
- }
}
HsDouble
rts_getDouble (HaskellObj p)
{
- if ( p->header.info == Dzh_con_info ||
- p->header.info == Dzh_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == Dzh_con_info ||
+ // p->header.info == Dzh_static_info);
return (double)(PK_DBL((P_)p->payload));
- } else {
- barf("rts_getDouble: not a Double");
- }
}
HsStablePtr
rts_getStablePtr (HaskellObj p)
{
- if ( p->header.info == StablePtr_con_info ||
- p->header.info == StablePtr_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == StablePtr_con_info ||
+ // p->header.info == StablePtr_static_info);
return (StgStablePtr)(p->payload[0]);
- } else {
- barf("rts_getStablePtr: not a StablePtr");
- }
}
HsPtr
rts_getPtr (HaskellObj p)
{
- if ( p->header.info == Ptr_con_info ||
- p->header.info == Ptr_static_info ) {
+ // See comment above:
+ // ASSERT(p->header.info == Ptr_con_info ||
+ // p->header.info == Ptr_static_info);
return (void *)(p->payload[0]);
- } else {
- barf("rts_getPtr: not an Ptr");
- }
}
#ifdef COMPILER /* GHC has em, Hugs doesn't */
tso = createGenThread(RtsFlags.GcFlags.initialStkSize, p);
releaseAllocLock();
- scheduleExtThread(tso);
- return WAIT_EXT_THREAD(tso, ret);
+ return scheduleWaitThread(tso,ret);
}
SchedulerStatus
tso = createGenThread(stack_size, p);
releaseAllocLock();
- scheduleExtThread(tso);
- return WAIT_EXT_THREAD(tso, ret);
+ return scheduleWaitThread(tso,ret);
}
/*
tso = createStrictIOThread(RtsFlags.GcFlags.initialStkSize, p);
releaseAllocLock();
- scheduleExtThread(tso);
- return WAIT_EXT_THREAD(tso, ret);
+ return scheduleWaitThread(tso,ret);
}
/*
tso = createStrictIOThread(RtsFlags.GcFlags.initialStkSize, p);
releaseAllocLock();
scheduleThread(tso);
- return WAIT_MAIN_THREAD(tso, ret);
+ return waitThread(tso, ret);
}
/*
p = (StgClosure *)deRefStablePtr(s);
tso = createStrictIOThread(RtsFlags.GcFlags.initialStkSize, p);
releaseAllocLock();
- scheduleExtThread(tso);
- stat = WAIT_EXT_THREAD(tso, &r);
+ stat = scheduleWaitThread(tso,&r);
if (stat == Success) {
ASSERT(r != NULL);
tso = createIOThread(stack_size, p);
releaseAllocLock();
- scheduleExtThread(tso);
- return WAIT_EXT_THREAD(tso, ret);
+ return scheduleWaitThread(tso,ret);
}
/* Convenience function for decoding the returned status. */
projects / ghc-hetmet.git / blobdiff