62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
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// This file is part of AsmJit project <https://asmjit.com>
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//
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// See asmjit.h or LICENSE.md for license and copyright information
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// SPDX-License-Identifier: Zlib
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#ifndef ASMJIT_CORE_OSUTILS_H_INCLUDED
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#define ASMJIT_CORE_OSUTILS_H_INCLUDED
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#include "../core/globals.h"
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ASMJIT_BEGIN_NAMESPACE
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//! \addtogroup asmjit_utilities
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//! \{
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//! Operating system utilities.
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namespace OSUtils {
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//! Gets the current CPU tick count, used for benchmarking (1ms resolution).
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ASMJIT_API uint32_t getTickCount() noexcept;
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};
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//! \cond INTERNAL
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//! Lock.
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//!
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//! Lock is internal, it cannot be used outside of AsmJit, however, its internal
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//! layout is exposed as it's used by some other classes, which are public.
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class Lock {
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public:
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ASMJIT_NONCOPYABLE(Lock)
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#if defined(_WIN32)
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#pragma pack(push, 8)
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struct ASMJIT_MAY_ALIAS Handle {
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void* DebugInfo;
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long LockCount;
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long RecursionCount;
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void* OwningThread;
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void* LockSemaphore;
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unsigned long* SpinCount;
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};
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Handle _handle;
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#pragma pack(pop)
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#elif !defined(__EMSCRIPTEN__)
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typedef pthread_mutex_t Handle;
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Handle _handle;
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#endif
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ASMJIT_FORCE_INLINE Lock() noexcept;
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ASMJIT_FORCE_INLINE ~Lock() noexcept;
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ASMJIT_FORCE_INLINE void lock() noexcept;
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ASMJIT_FORCE_INLINE void unlock() noexcept;
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};
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//! \endcond
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//! \}
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ASMJIT_END_NAMESPACE
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#endif // ASMJIT_CORE_OSUTILS_H_INCLUDED
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