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Add placeholders for loadAcquire and storeRelease in the atomics

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This should be replaced later with proper loadAcquire and storeRelease
functions in the architectures that require them. The code right now
is enough for x86, x86-64 and IA-64. It's probably not good for ARM
and MIPS.

Change-Id: Iaa28a18cad64772539662439c2c14690ec26940f
Reviewed-on: http://codereview.qt-project.org/5029
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
This commit is contained in:
Thiago Macieira 2011-07-02 12:02:10 +02:00 committed by Qt by Nokia
parent 0c59eb1156
commit 5613c9722a
1 changed files with 10 additions and 0 deletions
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10
src/corelib/thread/qbasicatomic.h
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@ -96,6 +96,11 @@ public:
// Atomic API, implemented in qatomic_XXX.h
int load() const { return _q_value; }
int loadAcquire() { return _q_value; }
void store(int newValue) { _q_value = newValue; }
void storeRelease(int newValue) { _q_value = newValue; }
static bool isReferenceCountingNative();
static bool isReferenceCountingWaitFree();
@ -185,6 +190,11 @@ public:
// Atomic API, implemented in qatomic_XXX.h
T *load() const { return _q_value; }
T *loadAcquire() { return _q_value; }
void store(T *newValue) { _q_value = newValue; }
void storeRelease(T *newValue) { _q_value = newValue; }
static bool isTestAndSetNative();
static bool isTestAndSetWaitFree();