ARCHIVE/rippled
1
0
Fork 0
mirror of https://github.com/XRPLF/rippled.git synced 2025-12-03 09:25:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix for atomic aliasing in Clang or GCC builds

Browse Source
This commit is contained in:
Vinnie Falco
2013-07-02 14:49:23 -07:00
parent ec672b939b
commit 147e0e78b9
1 changed files with 9 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
Subtrees/beast/modules/beast_core/memory/beast_Atomic.h
View File

@@ -148,10 +148,15 @@ public:
volatile Type value;
private:
static inline Type castFrom32Bit (int32 value) noexcept { return *(Type*) &value; }
static inline Type castFrom64Bit (int64 value) noexcept { return *(Type*) &value; }
static inline int32 castTo32Bit (Type value) noexcept { return *(int32*) &value; }
static inline int64 castTo64Bit (Type value) noexcept { return *(int64*) &value; }
#if BEAST_CLANG || __GNUC__ >= 4
#define BEAST_ATTRIBUTE_MAY_ALIAS __attribute__((__may_alias__))
#else
#define BEAST_ATTRIBUTE_MAY_ALIAS
#endif
static inline Type castFrom32Bit (int32 value) noexcept { Type * BEAST_ATTRIBUTE_MAY_ALIAS tmp = (Type*)&value; return *tmp; }
static inline Type castFrom64Bit (int64 value) noexcept { Type * BEAST_ATTRIBUTE_MAY_ALIAS tmp = (Type*)&value; return *tmp; }
static inline int32 castTo32Bit (Type value) noexcept { int32 * BEAST_ATTRIBUTE_MAY_ALIAS tmp = (int32*)&value; return *tmp; }
static inline int64 castTo64Bit (Type value) noexcept { int64 * BEAST_ATTRIBUTE_MAY_ALIAS tmp = (int64*)&value; return *tmp; }
Type operator++ (int); // better to just use pre-increment with atomics..
Type operator-- (int);