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Merge "double checked locking pattern is not safe on SMP"

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This commit is contained in:
Mathias Agopian 2012-04-17 14:22:45 -07:00 committed by Android (Google) Code Review
commit fe668f4682
1 changed files with 5 additions and 4 deletions
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9
libs/binder/ProcessState.cpp
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@ -73,10 +73,11 @@ protected:
sp<ProcessState> ProcessState::self() sp<ProcessState> ProcessState::self()
{ {
if (gProcess != NULL) return gProcess; Mutex::Autolock _l(gProcessMutex);
if (gProcess != NULL) {
AutoMutex _l(gProcessMutex); return gProcess;
if (gProcess == NULL) gProcess = new ProcessState; }
gProcess = new ProcessState;
return gProcess; return gProcess;
} }