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Thread safety fixes

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@6623 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
richard 2000-05-27 05:05:10 +00:00
parent 9f1d5b4c80
commit 1ea145548c
2 changed files with 33 additions and 13 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2000-05-27 Richard Frith-Macdonald <rfm@gnu.org>
* Source/NSBundle.m: Protect all use of map tables of bundles
using lock - should make class thread-safe.
2000-05-25 Adam Fedor <fedor@gnu.org>
* Headers/gnustep/base/GSIArray.h: remove config.h

41
Source/NSBundle.m
View file

@ -307,6 +307,7 @@ _bundle_load_callback(Class theClass, Category *theCategory)
void *key;
NSBundle *bundle;
[load_lock lock];
enumerate = NSEnumerateMapTable(_bundles);
while (NSNextMapEnumeratorPair(&enumerate, &key, (void **)&bundle))
{
@ -316,6 +317,7 @@ _bundle_load_callback(Class theClass, Category *theCategory)
[array addObject: bundle];
}
}
[load_lock unlock];
return array;
}
@ -379,6 +381,7 @@ _bundle_load_callback(Class theClass, Category *theCategory)
if (!aClass)
return nil;
[load_lock lock];
bundle = nil;
enumerate = NSEnumerateMapTable(_bundles);
while (NSNextMapEnumeratorPair(&enumerate, &key, (void **)&bundle))
@ -389,6 +392,7 @@ _bundle_load_callback(Class theClass, Category *theCategory)
break;
bundle = nil;
}
[load_lock unlock];
if (!bundle)
{
/* Is it in the main bundle? */
@ -422,13 +426,16 @@ _bundle_load_callback(Class theClass, Category *theCategory)
}
/* Check if we were already initialized for this directory */
[load_lock lock];
if (_bundles)
{
NSBundle* bundle = (NSBundle *)NSMapGet(_bundles, path);
if (bundle)
{
RETAIN(bundle); /* retain - look as if we were alloc'ed */
[load_lock unlock];
[self dealloc];
return RETAIN(bundle); /* retain - look as if we were alloc'ed */
return bundle;
}
}
if (_releasedBundles)
@ -438,18 +445,26 @@ _bundle_load_callback(Class theClass, Category *theCategory)
{
NSMapInsert(_bundles, path, loaded);
NSMapRemove(_releasedBundles, path);
RETAIN(loaded); /* retain - look as if we were alloc'ed */
[load_lock unlock];
[self dealloc];
return RETAIN(loaded); /* retain - look as if we were alloc'ed */
return loaded;
}
}
[load_lock unlock];
if (stat([path cString], &statbuf) != 0)
{
NSDebugMLLog(@"NSBundle", @"Could not access path %s for bundle", [path cString]);
NSDebugMLLog(@"NSBundle", @"Could not access path %@ for bundle", path);
//[self dealloc];
//return nil;
}
_path = [path copy];
_bundleType = (unsigned int)NSBUNDLE_BUNDLE;
if (self == _mainBundle)
_bundleType = (unsigned int)NSBUNDLE_APPLICATION;
[load_lock lock];
if (!_bundles)
{
@ -458,14 +473,9 @@ _bundle_load_callback(Class theClass, Category *theCategory)
_releasedBundles = NSCreateMapTable(NSObjectMapKeyCallBacks,
NSNonOwnedPointerMapValueCallBacks, 0);
}
NSMapInsert(_bundles, _path, self);
[load_lock unlock];
_path = [path copy];
_bundleType = (unsigned int)NSBUNDLE_BUNDLE;
if (self == _mainBundle)
_bundleType = (unsigned int)NSBUNDLE_APPLICATION;
NSMapInsert(_bundles, _path, self);
return self;
}
@ -479,15 +489,18 @@ _bundle_load_callback(Class theClass, Category *theCategory)
{
if ([self retainCount] == 1)
{
[load_lock lock];
if (self == NSMapGet(_releasedBundles, _path))
{
[load_lock unlock];
[NSException raise: NSGenericException
format: @"Bundle for path %@ released too many times", _path];
}
NSMapRemove(_bundles, _path);
NSMapInsert(_releasedBundles, _path, self);
return;
NSMapRemove(_bundles, _path);
NSMapInsert(_releasedBundles, _path, self);
[load_lock unlock];
return;
}
}
[super release];
@ -495,9 +508,11 @@ _bundle_load_callback(Class theClass, Category *theCategory)
- (void) dealloc
{
if (_path)
if (_path != nil)
{
[load_lock lock];
NSMapRemove(_bundles, _path);
[load_lock unlock];
RELEASE(_path);
}
TEST_RELEASE(_bundleClasses);