1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/mac/GTMGarbageCollection.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,72 @@
1.4 +//
1.5 +// GTMGarbageCollection.h
1.6 +//
1.7 +// Copyright 2007-2008 Google Inc.
1.8 +//
1.9 +// Licensed under the Apache License, Version 2.0 (the "License"); you may not
1.10 +// use this file except in compliance with the License. You may obtain a copy
1.11 +// of the License at
1.12 +//
1.13 +// http://www.apache.org/licenses/LICENSE-2.0
1.14 +//
1.15 +// Unless required by applicable law or agreed to in writing, software
1.16 +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
1.17 +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
1.18 +// License for the specific language governing permissions and limitations under
1.19 +// the License.
1.20 +//
1.21 +
1.22 +#import <Foundation/Foundation.h>
1.23 +
1.24 +#import "GTMDefines.h"
1.25 +
1.26 +// This allows us to easily move our code from GC to non GC.
1.27 +// They are no-ops unless we are require Leopard or above.
1.28 +// See
1.29 +// http://developer.apple.com/documentation/Cocoa/Conceptual/GarbageCollection/index.html
1.30 +// and
1.31 +// http://developer.apple.com/documentation/Cocoa/Conceptual/GarbageCollection/Articles/gcCoreFoundation.html#//apple_ref/doc/uid/TP40006687-SW1
1.32 +// for details.
1.33 +
1.34 +#if (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5) && !GTM_IPHONE_SDK
1.35 +// General use would be to call this through GTMCFAutorelease
1.36 +// but there may be a reason the you want to make something collectable
1.37 +// but not autoreleased, especially in pure GC code where you don't
1.38 +// want to bother with the nop autorelease. Done as a define instead of an
1.39 +// inline so that tools like Clang's scan-build don't report code as leaking.
1.40 +#define GTMNSMakeCollectable(cf) ((id)NSMakeCollectable(cf))
1.41 +
1.42 +// GTMNSMakeUncollectable is for global maps, etc. that we don't
1.43 +// want released ever. You should still retain these in non-gc code.
1.44 +GTM_INLINE void GTMNSMakeUncollectable(id object) {
1.45 + [[NSGarbageCollector defaultCollector] disableCollectorForPointer:object];
1.46 +}
1.47 +
1.48 +// Hopefully no code really needs this, but GTMIsGarbageCollectionEnabled is
1.49 +// a common way to check at runtime if GC is on.
1.50 +// There are some places where GC doesn't work w/ things w/in Apple's
1.51 +// frameworks, so this is here so GTM unittests and detect it, and not run
1.52 +// individual tests to work around bugs in Apple's frameworks.
1.53 +GTM_INLINE BOOL GTMIsGarbageCollectionEnabled(void) {
1.54 + return ([NSGarbageCollector defaultCollector] != nil);
1.55 +}
1.56 +
1.57 +#else
1.58 +
1.59 +#define GTMNSMakeCollectable(cf) ((id)(cf))
1.60 +
1.61 +GTM_INLINE void GTMNSMakeUncollectable(id object) {
1.62 +}
1.63 +
1.64 +GTM_INLINE BOOL GTMIsGarbageCollectionEnabled(void) {
1.65 + return NO;
1.66 +}
1.67 +
1.68 +#endif
1.69 +
1.70 +// GTMCFAutorelease makes a CF object collectable in GC mode, or adds it
1.71 +// to the autorelease pool in non-GC mode. Either way it is taken care
1.72 +// of. Done as a define instead of an inline so that tools like Clang's
1.73 +// scan-build don't report code as leaking.
1.74 +#define GTMCFAutorelease(cf) ([GTMNSMakeCollectable(cf) autorelease])
1.75 +
