aboutsummaryrefslogtreecommitdiffstats
path: root/gc/pcr_interface.c
diff options
context:
space:
mode:
authorFumitoshi UKAI <ukai@debian.or.jp>2003-03-09 19:43:05 +0000
committerFumitoshi UKAI <ukai@debian.or.jp>2003-03-09 19:43:05 +0000
commit1dff73dfd6accb9bae971dd0f1ce15a182b0f75b (patch)
tree90442e8c55bb3e5d8aade44a20152d2d8e297608 /gc/pcr_interface.c
parentautoconficate (diff)
downloadw3m-1dff73dfd6accb9bae971dd0f1ce15a182b0f75b.tar.gz
w3m-1dff73dfd6accb9bae971dd0f1ce15a182b0f75b.zip
remove gc
Diffstat (limited to '')
-rw-r--r--gc/pcr_interface.c178
1 files changed, 0 insertions, 178 deletions
diff --git a/gc/pcr_interface.c b/gc/pcr_interface.c
deleted file mode 100644
index 7bf02a4..0000000
--- a/gc/pcr_interface.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
- *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
- *
- * Permission is hereby granted to use or copy this program
- * for any purpose, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- */
-# include "private/gc_priv.h"
-
-# ifdef PCR
-/*
- * Note that POSIX PCR requires an ANSI C compiler. Hence we are allowed
- * to make the same assumption here.
- * We wrap all of the allocator functions to avoid questions of
- * compatibility between the prototyped and nonprototyped versions of the f
- */
-# include "config/PCR_StdTypes.h"
-# include "mm/PCR_MM.h"
-# include <errno.h>
-
-# define MY_MAGIC 17L
-# define MY_DEBUGMAGIC 42L
-
-void * GC_AllocProc(size_t size, PCR_Bool ptrFree, PCR_Bool clear )
-{
- if (ptrFree) {
- void * result = (void *)GC_malloc_atomic(size);
- if (clear && result != 0) BZERO(result, size);
- return(result);
- } else {
- return((void *)GC_malloc(size));
- }
-}
-
-void * GC_DebugAllocProc(size_t size, PCR_Bool ptrFree, PCR_Bool clear )
-{
- if (ptrFree) {
- void * result = (void *)GC_debug_malloc_atomic(size, __FILE__,
- __LINE__);
- if (clear && result != 0) BZERO(result, size);
- return(result);
- } else {
- return((void *)GC_debug_malloc(size, __FILE__, __LINE__));
- }
-}
-
-# define GC_ReallocProc GC_realloc
-void * GC_DebugReallocProc(void * old_object, size_t new_size_in_bytes)
-{
- return(GC_debug_realloc(old_object, new_size_in_bytes, __FILE__, __LINE__));
-}
-
-# define GC_FreeProc GC_free
-# define GC_DebugFreeProc GC_debug_free
-
-typedef struct {
- PCR_ERes (*ed_proc)(void *p, size_t size, PCR_Any data);
- GC_bool ed_pointerfree;
- PCR_ERes ed_fail_code;
- PCR_Any ed_client_data;
-} enumerate_data;
-
-void GC_enumerate_block(h, ed)
-register struct hblk *h;
-enumerate_data * ed;
-{
- register hdr * hhdr;
- register int sz;
- word *p;
- word * lim;
-
- hhdr = HDR(h);
- sz = hhdr -> hb_sz;
- if (sz >= 0 && ed -> ed_pointerfree
- || sz <= 0 && !(ed -> ed_pointerfree)) return;
- if (sz < 0) sz = -sz;
- lim = (word *)(h+1) - sz;
- p = (word *)h;
- do {
- if (PCR_ERes_IsErr(ed -> ed_fail_code)) return;
- ed -> ed_fail_code =
- (*(ed -> ed_proc))(p, WORDS_TO_BYTES(sz), ed -> ed_client_data);
- p+= sz;
- } while (p <= lim);
-}
-
-struct PCR_MM_ProcsRep * GC_old_allocator = 0;
-
-PCR_ERes GC_EnumerateProc(
- PCR_Bool ptrFree,
- PCR_ERes (*proc)(void *p, size_t size, PCR_Any data),
- PCR_Any data
-)
-{
- enumerate_data ed;
-
- ed.ed_proc = proc;
- ed.ed_pointerfree = ptrFree;
- ed.ed_fail_code = PCR_ERes_okay;
- ed.ed_client_data = data;
- GC_apply_to_all_blocks(GC_enumerate_block, &ed);
- if (ed.ed_fail_code != PCR_ERes_okay) {
- return(ed.ed_fail_code);
- } else {
- /* Also enumerate objects allocated by my predecessors */
- return((*(GC_old_allocator->mmp_enumerate))(ptrFree, proc, data));
- }
-}
-
-void GC_DummyFreeProc(void *p) {}
-
-void GC_DummyShutdownProc(void) {}
-
-struct PCR_MM_ProcsRep GC_Rep = {
- MY_MAGIC,
- GC_AllocProc,
- GC_ReallocProc,
- GC_DummyFreeProc, /* mmp_free */
- GC_FreeProc, /* mmp_unsafeFree */
- GC_EnumerateProc,
- GC_DummyShutdownProc /* mmp_shutdown */
-};
-
-struct PCR_MM_ProcsRep GC_DebugRep = {
- MY_DEBUGMAGIC,
- GC_DebugAllocProc,
- GC_DebugReallocProc,
- GC_DummyFreeProc, /* mmp_free */
- GC_DebugFreeProc, /* mmp_unsafeFree */
- GC_EnumerateProc,
- GC_DummyShutdownProc /* mmp_shutdown */
-};
-
-GC_bool GC_use_debug = 0;
-
-void GC_pcr_install()
-{
- PCR_MM_Install((GC_use_debug? &GC_DebugRep : &GC_Rep), &GC_old_allocator);
-}
-
-PCR_ERes
-PCR_GC_Setup(void)
-{
- return PCR_ERes_okay;
-}
-
-PCR_ERes
-PCR_GC_Run(void)
-{
-
- if( !PCR_Base_TestPCRArg("-nogc") ) {
- GC_quiet = ( PCR_Base_TestPCRArg("-gctrace") ? 0 : 1 );
- GC_use_debug = (GC_bool)PCR_Base_TestPCRArg("-debug_alloc");
- GC_init();
- if( !PCR_Base_TestPCRArg("-nogc_incremental") ) {
- /*
- * awful hack to test whether VD is implemented ...
- */
- if( PCR_VD_Start( 0, NIL, 0) != PCR_ERes_FromErr(ENOSYS) ) {
- GC_enable_incremental();
- }
- }
- }
- return PCR_ERes_okay;
-}
-
-void GC_push_thread_structures(void)
-{
- /* PCR doesn't work unless static roots are pushed. Can't get here. */
- ABORT("In GC_push_thread_structures()");
-}
-
-# endif