51 lines
2.4 KiB
Diff
51 lines
2.4 KiB
Diff
From d4d07dac01796b2aa0fb501c14865cab7e42b3a9 Mon Sep 17 00:00:00 2001
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From: Mischa Jonker <mischa.jonker@synopsys.com>
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Date: Sun, 4 Nov 2012 11:42:04 +0100
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Subject: [PATCH] Fix const-related build error in generic atomic ops
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It's still not entirely const-correct though. In all other architectures
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this is obfuscated through the use of inline asm (which the compiler
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doesn't check). This patch obfuscates through const_cast
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---
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src/corelib/arch/generic/qatomic_generic_unix.cpp | 8 ++++----
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src/corelib/arch/qatomic_generic.h | 2 +-
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2 files changed, 5 insertions(+), 5 deletions(-)
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diff --git a/src/corelib/arch/generic/qatomic_generic_unix.cpp b/src/corelib/arch/generic/qatomic_generic_unix.cpp
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index 1c6cbf0..6fce81d 100644
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--- a/src/corelib/arch/generic/qatomic_generic_unix.cpp
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+++ b/src/corelib/arch/generic/qatomic_generic_unix.cpp
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@@ -85,13 +85,13 @@ int QBasicAtomicInt_fetchAndAddOrdered(volatile int *_q_value, int valueToAdd)
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Q_CORE_EXPORT
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bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *_q_value,
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- void *expectedValue,
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- void *newValue)
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+ const void *expectedValue,
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+ const void *newValue)
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{
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bool returnValue = false;
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pthread_mutex_lock(&qAtomicMutex);
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if (*_q_value == expectedValue) {
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- *_q_value = newValue;
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+ *_q_value = const_cast<void*>(newValue);
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returnValue = true;
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}
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pthread_mutex_unlock(&qAtomicMutex);
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diff --git a/src/corelib/arch/qatomic_generic.h b/src/corelib/arch/qatomic_generic.h
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index 621a767..4c14679 100644
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--- a/src/corelib/arch/qatomic_generic.h
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+++ b/src/corelib/arch/qatomic_generic.h
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@@ -105,7 +105,7 @@ Q_CORE_EXPORT bool QBasicAtomicInt_testAndSetOrdered(volatile int *, int, int);
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Q_CORE_EXPORT int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *, int);
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Q_CORE_EXPORT int QBasicAtomicInt_fetchAndAddOrdered(volatile int *, int);
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-Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *, void *, void *);
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+Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *, const void *, const void *);
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Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *, void *);
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Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *, qptrdiff);
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--
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1.7.0.4
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