/**
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* \file
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* Contains inline functions to explicitly mark data races that should not be changed.
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* This way, instruments like Clang's ThreadSanitizer can be told to ignore very specific instructions.
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*
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* Please keep this file and its methods organised:
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* * Increment, Decrement, Add, Subtract, Write, Read
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* * gint32 (""), guint32 ("Unsigned"),
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* gint64 ("64"), guint64 ("Unsigned64"),
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* gsize ("Size"), gboolean ("Bool"),
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* gpointer ("Pointer")
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*
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* Licensed under the MIT license. See LICENSE file in the project root for full license information.
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*/
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#ifndef _UNLOCKED_H_
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#define _UNLOCKED_H_
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#include <glib.h>
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#include <mono/utils/mono-compiler.h>
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#if MONO_HAS_CLANG_THREAD_SANITIZER
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#define MONO_UNLOCKED_ATTRS MONO_NO_SANITIZE_THREAD MONO_NEVER_INLINE static
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#elif defined(_MSC_VER)
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#define MONO_UNLOCKED_ATTRS MONO_ALWAYS_INLINE static
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#else
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#define MONO_UNLOCKED_ATTRS MONO_ALWAYS_INLINE static inline
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#endif
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MONO_UNLOCKED_ATTRS
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gint32
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UnlockedIncrement (volatile gint32 *val)
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{
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return ++*val;
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}
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MONO_UNLOCKED_ATTRS
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gint64
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UnlockedIncrement64 (volatile gint64 *val)
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{
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return ++*val;
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}
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MONO_UNLOCKED_ATTRS
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gint64
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UnlockedDecrement64 (volatile gint64 *val)
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{
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return --*val;
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}
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MONO_UNLOCKED_ATTRS
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gint32
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UnlockedDecrement (volatile gint32 *val)
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{
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return --*val;
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}
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MONO_UNLOCKED_ATTRS
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gint32
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UnlockedAdd (volatile gint32 *dest, gint32 add)
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{
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return *dest += add;
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}
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MONO_UNLOCKED_ATTRS
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gint64
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UnlockedAdd64 (volatile gint64 *dest, gint64 add)
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{
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return *dest += add;
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}
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MONO_UNLOCKED_ATTRS
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gdouble
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UnlockedAddDouble (volatile gdouble *dest, gdouble add)
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{
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return *dest += add;
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}
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MONO_UNLOCKED_ATTRS
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gint64
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UnlockedSubtract64 (volatile gint64 *dest, gint64 sub)
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{
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return *dest -= sub;
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}
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MONO_UNLOCKED_ATTRS
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void
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UnlockedWrite (volatile gint32 *dest, gint32 val)
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{
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*dest = val;
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}
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MONO_UNLOCKED_ATTRS
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void
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UnlockedWrite64 (volatile gint64 *dest, gint64 val)
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{
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*dest = val;
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}
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MONO_UNLOCKED_ATTRS
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void
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UnlockedWriteBool (volatile gboolean *dest, gboolean val)
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{
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*dest = val;
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}
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MONO_UNLOCKED_ATTRS
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void
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UnlockedWritePointer (volatile gpointer *dest, gpointer val)
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{
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*dest = val;
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}
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MONO_UNLOCKED_ATTRS
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gint32
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UnlockedRead (volatile gint32 *src)
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{
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return *src;
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}
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MONO_UNLOCKED_ATTRS
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gint64
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UnlockedRead64 (volatile gint64 *src)
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{
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return *src;
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}
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MONO_UNLOCKED_ATTRS
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gboolean
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UnlockedReadBool (volatile gboolean *src)
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{
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return *src;
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}
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MONO_UNLOCKED_ATTRS
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gpointer
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UnlockedReadPointer (volatile gpointer *src)
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{
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return *src;
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}
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#endif /* _UNLOCKED_H_ */
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