static Res rankBufInit(Buffer buffer, Pool pool, Bool isMutator, ArgList args)
{
Rank rank = BUFFER_RANK_DEFAULT;
Res res;
ArgStruct arg;
AVERT(ArgList, args);
if (ArgPick(&arg, args, MPS_KEY_RANK))
rank = arg.val.rank;
AVERT(Rank, rank);
/* Initialize the superclass fields first via next-method call */
res = NextMethod(Buffer, RankBuf, init)(buffer, pool, isMutator, args);
if (res != ResOK)
return res;
BufferSetRankSet(buffer, RankSetSingle(rank));
SetClassOfPoly(buffer, CLASS(RankBuf));
AVERC(RankBuf, buffer);
EVENT4(BufferInitRank, buffer, pool, BOOLOF(buffer->isMutator), rank);
return ResOK;
}
static Res MFSInit(Pool pool, Arena arena, PoolClass klass, ArgList args)
{
Size extendBy = MFS_EXTEND_BY_DEFAULT;
Bool extendSelf = TRUE;
Size unitSize;
MFS mfs;
ArgStruct arg;
Res res;
AVER(pool != NULL);
AVERT(Arena, arena);
AVERT(ArgList, args);
UNUSED(klass); /* used for debug pools only */
ArgRequire(&arg, args, MPS_KEY_MFS_UNIT_SIZE);
unitSize = arg.val.size;
if (ArgPick(&arg, args, MPS_KEY_EXTEND_BY))
extendBy = arg.val.size;
if (ArgPick(&arg, args, MFSExtendSelf))
extendSelf = arg.val.b;
AVER(unitSize > 0);
AVER(extendBy > 0);
AVERT(Bool, extendSelf);
res = NextMethod(Pool, MFSPool, init)(pool, arena, klass, args);
if (res != ResOK)
goto failNextInit;
mfs = CouldBeA(MFSPool, pool);
mfs->unroundedUnitSize = unitSize;
if (unitSize < UNIT_MIN)
unitSize = UNIT_MIN;
unitSize = SizeAlignUp(unitSize, MPS_PF_ALIGN);
if (extendBy < unitSize)
extendBy = unitSize;
extendBy = SizeArenaGrains(extendBy, arena);
mfs->extendBy = extendBy;
mfs->extendSelf = extendSelf;
mfs->unitSize = unitSize;
mfs->freeList = NULL;
mfs->tractList = NULL;
mfs->total = 0;
mfs->free = 0;
SetClassOfPoly(pool, CLASS(MFSPool));
mfs->sig = MFSSig;
AVERC(MFS, mfs);
EVENT5(PoolInitMFS, pool, arena, extendBy, BOOLOF(extendSelf), unitSize);
return ResOK;
failNextInit:
AVER(res != ResOK);
return res;
}
static Res BufferAbsInit(Buffer buffer, Pool pool, Bool isMutator, ArgList args)
{
Arena arena;
AVER(buffer != NULL);
AVERT(Pool, pool);
AVER(BoolCheck(isMutator));
AVERT(ArgList, args);
/* Superclass init */
InstInit(CouldBeA(Inst, buffer));
arena = PoolArena(pool);
/* Initialize the buffer. See <code/mpmst.h> for a definition of
the structure. sig and serial comes later .init.sig-serial */
buffer->arena = arena;
buffer->pool = pool;
RingInit(&buffer->poolRing);
buffer->isMutator = isMutator;
if (ArenaGlobals(arena)->bufferLogging) {
buffer->mode = BufferModeLOGGED;
} else {
buffer->mode = 0;
}
buffer->fillSize = 0.0;
buffer->emptySize = 0.0;
buffer->alignment = PoolAlignment(pool);
buffer->base = (Addr)0;
buffer->initAtFlip = (Addr)0;
/* In the next three assignments we really mean zero, not NULL, because
the bit pattern is compared. It's pretty unlikely we'll encounter
a platform where this makes a difference. */
buffer->ap_s.init = (mps_addr_t)0;
buffer->ap_s.alloc = (mps_addr_t)0;
buffer->ap_s.limit = (mps_addr_t)0;
buffer->poolLimit = (Addr)0;
buffer->rampCount = 0;
/* .init.sig-serial: Now the vanilla stuff is initialized, sign the
buffer and give it a serial number. It can then be safely checked
in subclass methods. */
buffer->serial = pool->bufferSerial; /* .trans.mod */
++pool->bufferSerial;
SetClassOfPoly(buffer, CLASS(Buffer));
buffer->sig = BufferSig;
AVERT(Buffer, buffer);
/* Attach the initialized buffer to the pool. */
RingAppend(&pool->bufferRing, &buffer->poolRing);
EVENT3(BufferInit, buffer, pool, BOOLOF(buffer->isMutator));
return ResOK;
}
static Res MFSInit(Pool pool, ArgList args)
{
Size extendBy = MFS_EXTEND_BY_DEFAULT;
Bool extendSelf = TRUE;
Size unitSize;
MFS mfs;
Arena arena;
ArgStruct arg;
AVER(pool != NULL);
AVERT(ArgList, args);
ArgRequire(&arg, args, MPS_KEY_MFS_UNIT_SIZE);
unitSize = arg.val.size;
if (ArgPick(&arg, args, MPS_KEY_EXTEND_BY))
extendBy = arg.val.size;
if (ArgPick(&arg, args, MFSExtendSelf))
extendSelf = arg.val.b;
AVERT(Bool, extendSelf);
mfs = PoolPoolMFS(pool);
arena = PoolArena(pool);
mfs->unroundedUnitSize = unitSize;
if (unitSize < UNIT_MIN)
unitSize = UNIT_MIN;
unitSize = SizeAlignUp(unitSize, MPS_PF_ALIGN);
if (extendBy < unitSize)
extendBy = unitSize;
extendBy = SizeArenaGrains(extendBy, arena);
mfs->extendBy = extendBy;
mfs->extendSelf = extendSelf;
mfs->unitSize = unitSize;
mfs->freeList = NULL;
mfs->tractList = NULL;
mfs->total = 0;
mfs->free = 0;
mfs->sig = MFSSig;
AVERT(MFS, mfs);
EVENT5(PoolInitMFS, pool, arena, extendBy, BOOLOF(extendSelf), unitSize);
return ResOK;
}
static Res segBufInit(Buffer buffer, Pool pool, Bool isMutator, ArgList args)
{
SegBuf segbuf;
Res res;
/* Initialize the superclass fields first via next-method call */
res = NextMethod(Buffer, SegBuf, init)(buffer, pool, isMutator, args);
if (res != ResOK)
return res;
segbuf = CouldBeA(SegBuf, buffer);
segbuf->seg = NULL;
segbuf->rankSet = RankSetEMPTY;
SetClassOfPoly(buffer, CLASS(SegBuf));
segbuf->sig = SegBufSig;
AVERC(SegBuf, segbuf);
EVENT3(BufferInitSeg, buffer, pool, BOOLOF(buffer->isMutator));
return ResOK;
}
