static void MFSTractFreeVisitor(Pool pool, Addr base, Size size,
void *closure)
{
AVER(closure == UNUSED_POINTER);
UNUSED(closure);
ArenaFree(base, size, pool);
}
static void MFSTractFreeVisitor(Pool pool, Addr base, Size size,
void *closureP, Size closureS)
{
UNUSED(closureP);
UNUSED(closureS);
ArenaFree(base, size, pool);
}
static void MFSTractFreeVisitor(Pool pool, Addr base, Size size,
void *closureP, Size closureS)
{
AVER(closureP == UNUSED_POINTER);
AVER(closureS == UNUSED_SIZE);
UNUSED(closureP);
UNUSED(closureS);
ArenaFree(base, size, pool);
}
Res SegAlloc(Seg *segReturn, SegClass klass, LocusPref pref,
Size size, Pool pool, ArgList args)
{
Res res;
Arena arena;
Seg seg;
Addr base;
void *p;
AVER(segReturn != NULL);
AVERT(SegClass, klass);
AVERT(LocusPref, pref);
AVER(size > (Size)0);
AVERT(Pool, pool);
arena = PoolArena(pool);
AVERT(Arena, arena);
AVER(SizeIsArenaGrains(size, arena));
/* allocate the memory from the arena */
res = ArenaAlloc(&base, pref, size, pool);
if (res != ResOK)
goto failArena;
/* allocate the segment object from the control pool */
res = ControlAlloc(&p, arena, klass->size);
if (res != ResOK)
goto failControl;
seg = p;
res = SegInit(seg, klass, pool, base, size, args);
if (res != ResOK)
goto failInit;
EVENT5(SegAlloc, arena, seg, SegBase(seg), size, pool);
*segReturn = seg;
return ResOK;
failInit:
ControlFree(arena, seg, klass->size);
failControl:
ArenaFree(base, size, pool);
failArena:
EVENT3(SegAllocFail, arena, size, pool);
return res;
}
void SegFree(Seg seg)
{
Arena arena;
Pool pool;
Addr base;
Size size, structSize;
AVERT(Seg, seg);
pool = SegPool(seg);
AVERT(Pool, pool);
arena = PoolArena(pool);
AVERT(Arena, arena);
base = SegBase(seg);
size = SegSize(seg);
structSize = ClassOfPoly(Seg, seg)->size;
SegFinish(seg);
ControlFree(arena, seg, structSize);
ArenaFree(base, size, pool);
EVENT2(SegFree, arena, seg);
}
