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Fix race condition

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@28298 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2009-05-24 04:22:09 +00:00
parent 1bf97bc92e
commit cc3838db4d
2 changed files with 11 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2009-05-24 Richard Frith-Macdonald <rfm@gnu.org>
* Source/NSThread.m: Use lock to prevent race condition setting up
runloop info for thread.
2009-05-23 Richard Frith-Macdonald <rfm@gnu.org> 2009-05-23 Richard Frith-Macdonald <rfm@gnu.org>
* Source/NSKeyValueObserving.m: * Source/NSKeyValueObserving.m:

7
Source/NSThread.m
View file

@ -1057,7 +1057,12 @@ GSRunLoopInfoForThread(NSThread *aThread)
} }
if (((NSThread_ivars*)aThread)->_runLoopInfo == nil) if (((NSThread_ivars*)aThread)->_runLoopInfo == nil)
{ {
((NSThread_ivars*)aThread)->_runLoopInfo = [GSRunLoopThreadInfo new]; [gnustep_global_lock lock];
if (((NSThread_ivars*)aThread)->_runLoopInfo == nil)
{
((NSThread_ivars*)aThread)->_runLoopInfo = [GSRunLoopThreadInfo new];
}
[gnustep_global_lock unlock];
} }
info = ((NSThread_ivars*)aThread)->_runLoopInfo; info = ((NSThread_ivars*)aThread)->_runLoopInfo;
return info; return info;