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* io.c (read_all): should return given string even if data read is

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empty.  [ruby-dev:22207]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5159 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2003-12-10 08:26:36 +00:00
parent 6395c3b38d
commit f449c04a36
7 changed files with 23 additions and 26 deletions
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28
lib/weakref.rb
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@ -16,24 +16,24 @@ class WeakRef<Delegator
class RefError<StandardError
end
ID_MAP = {} # obj -> [ref,...]
ID_REV_MAP = {} # ref -> obj
@@id_map = {} # obj -> [ref,...]
@@id_rev_map = {} # ref -> obj
@@final = lambda{|id|
__old_status = Thread.critical
Thread.critical = true
begin
rids = ID_MAP[id]
rids = @@id_map[id]
if rids
for rid in rids
ID_REV_MAP.delete(rid)
@@id_rev_map.delete(rid)
end
ID_MAP.delete(id)
@@id_map.delete(id)
end
rid = ID_REV_MAP[id]
rid = @@id_rev_map[id]
if rid
ID_REV_MAP.delete(id)
ID_MAP[rid].delete(id)
ID_MAP.delete(rid) if ID_MAP[rid].empty?
@@id_rev_map.delete(id)
@@id_map[rid].delete(id)
@@id_map.delete(rid) if @@id_map[rid].empty?
end
ensure
Thread.critical = __old_status
@ -48,16 +48,16 @@ class WeakRef<Delegator
__old_status = Thread.critical
begin
Thread.critical = true
ID_MAP[@__id] = [] unless ID_MAP[@__id]
@@id_map[@__id] = [] unless @@id_map[@__id]
ensure
Thread.critical = __old_status
end
ID_MAP[@__id].push self.__id__
ID_REV_MAP[self.__id__] = @__id
@@id_map[@__id].push self.__id__
@@id_rev_map[self.__id__] = @__id
end
def __getobj__
unless ID_REV_MAP[self.__id__] == @__id
unless @@id_rev_map[self.__id__] == @__id
raise RefError, "Illegal Reference - probably recycled", caller(2)
end
begin
@ -68,7 +68,7 @@ class WeakRef<Delegator
end
def weakref_alive?
ID_REV_MAP[self.__id__] == @__id
@@id_rev_map[self.__id__] == @__id
end
end