diff options
| author | auth12 <[email protected]> | 2020-07-19 11:45:43 -0700 |
|---|---|---|
| committer | auth12 <[email protected]> | 2020-07-19 11:45:43 -0700 |
| commit | 4e6a09d486ed462ee4cf38c3735a12d530dc09d4 (patch) | |
| tree | a67ccac41fef7a412b4357fbe54582cc4b692863 /client/asmjit/core/osutils_p.h | |
| parent | Deleted asmjit submodule (diff) | |
| download | loader-4e6a09d486ed462ee4cf38c3735a12d530dc09d4.tar.xz loader-4e6a09d486ed462ee4cf38c3735a12d530dc09d4.zip | |
Added asmjit.
Fixed solution file.
Diffstat (limited to 'client/asmjit/core/osutils_p.h')
| -rw-r--r-- | client/asmjit/core/osutils_p.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/client/asmjit/core/osutils_p.h b/client/asmjit/core/osutils_p.h new file mode 100644 index 0000000..31db308 --- /dev/null +++ b/client/asmjit/core/osutils_p.h @@ -0,0 +1,94 @@ +// AsmJit - Machine code generation for C++ +// +// * Official AsmJit Home Page: https://asmjit.com +// * Official Github Repository: https://github.com/asmjit/asmjit +// +// Copyright (c) 2008-2020 The AsmJit Authors +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. + +#ifndef ASMJIT_CORE_OSUTILS_P_H_INCLUDED +#define ASMJIT_CORE_OSUTILS_P_H_INCLUDED + +#include "../core/osutils.h" + +ASMJIT_BEGIN_NAMESPACE + +//! \cond INTERNAL +//! \addtogroup asmjit_utilities +//! \{ + +// ============================================================================ +// [asmjit::Lock] +// ============================================================================ + +#if defined(_WIN32) + +// Windows implementation. +static_assert(sizeof(Lock::Handle) == sizeof(CRITICAL_SECTION), "asmjit::Lock::Handle layout must match CRITICAL_SECTION"); +static_assert(alignof(Lock::Handle) == alignof(CRITICAL_SECTION), "asmjit::Lock::Handle alignment must match CRITICAL_SECTION"); + +inline Lock::Lock() noexcept { InitializeCriticalSection(reinterpret_cast<CRITICAL_SECTION*>(&_handle)); } +inline Lock::~Lock() noexcept { DeleteCriticalSection(reinterpret_cast<CRITICAL_SECTION*>(&_handle)); } +inline void Lock::lock() noexcept { EnterCriticalSection(reinterpret_cast<CRITICAL_SECTION*>(&_handle)); } +inline void Lock::unlock() noexcept { LeaveCriticalSection(reinterpret_cast<CRITICAL_SECTION*>(&_handle)); } + +#elif !defined(__EMSCRIPTEN__) + +// PThread implementation. +#ifdef PTHREAD_MUTEX_INITIALIZER +inline Lock::Lock() noexcept : _handle(PTHREAD_MUTEX_INITIALIZER) {} +#else +inline Lock::Lock() noexcept { pthread_mutex_init(&_handle, nullptr); } +#endif +inline Lock::~Lock() noexcept { pthread_mutex_destroy(&_handle); } +inline void Lock::lock() noexcept { pthread_mutex_lock(&_handle); } +inline void Lock::unlock() noexcept { pthread_mutex_unlock(&_handle); } + +#else + +// Dummy implementation - Emscripten or other unsupported platform. +inline Lock::Lock() noexcept {} +inline Lock::~Lock() noexcept {} +inline void Lock::lock() noexcept {} +inline void Lock::unlock() noexcept {} + +#endif + +// ============================================================================ +// [asmjit::LockGuard] +// ============================================================================ + +//! Scoped lock. +class LockGuard { +public: + ASMJIT_NONCOPYABLE(LockGuard) + + Lock& _target; + + inline LockGuard(Lock& target) noexcept + : _target(target) { _target.lock(); } + inline ~LockGuard() noexcept { _target.unlock(); } +}; + +//! \} +//! \endcond + +ASMJIT_END_NAMESPACE + +#endif // ASMJIT_CORE_OSUTILS_P_H_INCLUDED + |