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* ext/thread/thread.c (remove_one): Preserve List invariants;

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submitted by: MenTaLguY <mental AT rydia.net>
  in [ruby-core:10598] and [ruby-bugs:PR#9388].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@12113 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
knu 2007-03-20 22:26:18 +00:00
parent 59aac16283
commit 1bb22ded25
2 changed files with 13 additions and 2 deletions
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9
ext/thread/thread.c
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@ -163,13 +163,18 @@ static void
remove_one(List *list, VALUE value)
{
Entry **ref;
Entry *prev;
Entry *entry;
for (ref = &list->entries, entry = list->entries;
for (ref = &list->entries, prev = NULL, entry = list->entries;
entry != NULL;
ref = &entry->next, entry = entry->next) {
ref = &entry->next, prev = entry, entry = entry->next) {
if (entry->value == value) {
*ref = entry->next;
list->size--;
if (!entry->next) {
list->last_entry = prev;
}
recycle_entries(list, entry, entry);
break;
}