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Diffstat (limited to 'pr/src/md/windows/w16gc.c')
-rw-r--r-- | pr/src/md/windows/w16gc.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/pr/src/md/windows/w16gc.c b/pr/src/md/windows/w16gc.c new file mode 100644 index 00000000..1a84bef4 --- /dev/null +++ b/pr/src/md/windows/w16gc.c @@ -0,0 +1,67 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* + * The contents of this file are subject to the Netscape Public License + * Version 1.0 (the "NPL"); you may not use this file except in + * compliance with the NPL. You may obtain a copy of the NPL at + * http://www.mozilla.org/NPL/ + * + * Software distributed under the NPL is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL + * for the specific language governing rights and limitations under the + * NPL. + * + * The Initial Developer of this code under the NPL is Netscape + * Communications Corporation. Portions created by Netscape are + * Copyright (C) 1998 Netscape Communications Corporation. All Rights + * Reserved. + */ + +#include "primpl.h" +#include <sys/timeb.h> + +PRWord * +_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np) +{ + if (isCurrent) + { + _MD_SAVE_CONTEXT(t); + } + /* + ** In Win16 because the premption is "cooperative" it can never be the + ** case that a register holds the sole reference to an object. It + ** will always have been pushed onto the stack before the thread + ** switch... So don't bother to scan the registers... + */ + *np = 0; + + return (PRWord *) CONTEXT(t); +} + +#if 0 +#ifndef SPORT_MODEL + +#define MAX_SEGMENT_SIZE (65536l - 4096l) + +/************************************************************************/ +/* +** Machine dependent GC Heap management routines: +** _MD_GrowGCHeap +*/ +/************************************************************************/ + +extern void * +_MD_GrowGCHeap(uint32 *sizep) +{ + void *addr; + + if( *sizep > MAX_SEGMENT_SIZE ) { + *sizep = MAX_SEGMENT_SIZE; + } + + addr = malloc((size_t)*sizep); + return addr; +} + +#endif /* SPORT_MODEL */ +#endif /* 0 */ + |