64853565e842613f357c60b93b225c671b43ede5
[packages/trusty/cirros-testvm.git] / cirros-testvm / src-cirros / buildroot-2015.05 / package / qt / 0003-fix-const-atomics.patch
1 From d4d07dac01796b2aa0fb501c14865cab7e42b3a9 Mon Sep 17 00:00:00 2001
2 From: Mischa Jonker <mischa.jonker@synopsys.com>
3 Date: Sun, 4 Nov 2012 11:42:04 +0100
4 Subject: [PATCH] Fix const-related build error in generic atomic ops
5
6 It's still not entirely const-correct though. In all other architectures
7 this is obfuscated through the use of inline asm (which the compiler
8 doesn't check). This patch obfuscates through const_cast
9 ---
10  src/corelib/arch/generic/qatomic_generic_unix.cpp |    8 ++++----
11  src/corelib/arch/qatomic_generic.h                |    2 +-
12  2 files changed, 5 insertions(+), 5 deletions(-)
13
14 diff --git a/src/corelib/arch/generic/qatomic_generic_unix.cpp b/src/corelib/arch/generic/qatomic_generic_unix.cpp
15 index 1c6cbf0..6fce81d 100644
16 --- a/src/corelib/arch/generic/qatomic_generic_unix.cpp
17 +++ b/src/corelib/arch/generic/qatomic_generic_unix.cpp
18 @@ -85,13 +85,13 @@ int QBasicAtomicInt_fetchAndAddOrdered(volatile int *_q_value, int valueToAdd)
19  
20  Q_CORE_EXPORT
21  bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *_q_value,
22 -                                           void *expectedValue,
23 -                                           void *newValue)
24 +                                           const void *expectedValue,
25 +                                           const void *newValue)
26  {
27      bool returnValue = false;
28      pthread_mutex_lock(&qAtomicMutex);
29      if (*_q_value == expectedValue) {
30 -        *_q_value = newValue;
31 +        *_q_value = const_cast<void*>(newValue);
32          returnValue = true;
33      }
34      pthread_mutex_unlock(&qAtomicMutex);
35 diff --git a/src/corelib/arch/qatomic_generic.h b/src/corelib/arch/qatomic_generic.h
36 index 621a767..4c14679 100644
37 --- a/src/corelib/arch/qatomic_generic.h
38 +++ b/src/corelib/arch/qatomic_generic.h
39 @@ -105,7 +105,7 @@ Q_CORE_EXPORT bool QBasicAtomicInt_testAndSetOrdered(volatile int *, int, int);
40  Q_CORE_EXPORT int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *, int);
41  Q_CORE_EXPORT int QBasicAtomicInt_fetchAndAddOrdered(volatile int *, int);
42  
43 -Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *, void *, void *);
44 +Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *, const void *, const void *);
45  Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *, void *);
46  Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *, qptrdiff);
47  
48 -- 
49 1.7.0.4
50