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fix memory accounting with ephemerons and dead threads

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svn: r5757
This commit is contained in:
Matthew Flatt 2007-03-08 09:17:40 +00:00
parent cd3fe00778
commit db2822daa7
2 changed files with 21 additions and 5 deletions
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12
src/mzscheme/gc2/newgc.c
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@ -1216,9 +1216,11 @@ inline static void mark_threads(int owner)
for(work = threads; work; work = work->next)
if(work->owner == owner) {
normal_thread_mark(work->thread);
if (work->thread == scheme_current_thread) {
GC_mark_variable_stack(GC_variable_stack, 0, gc_stack_base);
if (((Scheme_Thread *)work->thread)->running) {
normal_thread_mark(work->thread);
if (work->thread == scheme_current_thread) {
GC_mark_variable_stack(GC_variable_stack, 0, gc_stack_base);
}
}
}
}
@ -1657,6 +1659,7 @@ static void do_btc_accounting(void)
}
mark_table[scheme_thread_type] = &BTC_thread_mark;
mark_table[scheme_custodian_type] = &BTC_custodian_mark;
mark_table[ephemeron_tag] = btc_mark_ephemeron;
/* clear the memory use numbers out */
for(i = 1; i < owner_table_top; i++)
@ -1686,6 +1689,7 @@ static void do_btc_accounting(void)
mark_table[scheme_thread_type] = normal_thread_mark;
mark_table[scheme_custodian_type] = normal_custodian_mark;
mark_table[ephemeron_tag] = mark_ephemeron;
in_unsafe_allocation_mode = 0;
doing_memory_accounting = 0;
old_btc_mark = new_btc_mark;
@ -1774,8 +1778,6 @@ static unsigned long custodian_super_require(void *c)
unsigned long req = 0, r;
struct account_hook *work = hooks;
printf("check: %p\n", c);
while(work) {
if ((work->type == MZACCT_REQUIRE) && (c == work->c2)) {
r = work->amount + custodian_super_require(work->c1);

14
src/mzscheme/gc2/weak.c
View File

@ -9,6 +9,7 @@
init_weak_boxes zero_weak_boxes
GC_malloc_ephemeron
size_ephemeron, mark_ephemeron, fixup_ephemeron
btc_mark_ephemeron [ifdef NEW_BTC_ACCOUNT]
init_ephemerons mark_ready_ephemerons zero_remaining_ephemerons
num_last_seen_ephemerons
Requires:
@ -266,6 +267,19 @@ static int mark_ephemeron(void *p)
return gcBYTES_TO_WORDS(sizeof(GC_Ephemeron));
}
#ifdef NEWGC_BTC_ACCOUNT
static int btc_mark_ephemeron(void *p)
{
GC_Ephemeron *eph = (GC_Ephemeron *)p;
gcMARK(eph->key);
gcMARK(eph->val);
return gcBYTES_TO_WORDS(sizeof(GC_Ephemeron));
}
#endif
static int fixup_ephemeron(void *p)
{
GC_Ephemeron *eph = (GC_Ephemeron *)p;