Line data    Source code

       1             : #ifdef __PLUMED_HAS_ASMJIT
       2             : // This file is part of AsmJit project <https://asmjit.com>
       3             : //
       4             : // See asmjit.h or LICENSE.md for license and copyright information
       5             : // SPDX-License-Identifier: Zlib
       6             : 
       7             : #ifndef ASMJIT_CORE_OSUTILS_P_H_INCLUDED
       8             : #define ASMJIT_CORE_OSUTILS_P_H_INCLUDED
       9             : 
      10             : #include "osutils.h"
      11             : 
      12             : ASMJIT_BEGIN_NAMESPACE
      13             : 
      14             : //! \cond INTERNAL
      15             : //! \addtogroup asmjit_utilities
      16             : //! \{
      17             : 
      18             : #if defined(_WIN32)
      19             : 
      20             : // Windows implementation.
      21             : static_assert(sizeof(Lock::Handle) == sizeof(CRITICAL_SECTION), "asmjit::Lock::Handle layout must match CRITICAL_SECTION");
      22             : static_assert(alignof(Lock::Handle) == alignof(CRITICAL_SECTION), "asmjit::Lock::Handle alignment must match CRITICAL_SECTION");
      23             : 
      24             : ASMJIT_FORCE_INLINE Lock::Lock() noexcept { InitializeCriticalSection(reinterpret_cast<CRITICAL_SECTION*>(&_handle)); }
      25             : ASMJIT_FORCE_INLINE Lock::~Lock() noexcept { DeleteCriticalSection(reinterpret_cast<CRITICAL_SECTION*>(&_handle)); }
      26             : ASMJIT_FORCE_INLINE void Lock::lock() noexcept { EnterCriticalSection(reinterpret_cast<CRITICAL_SECTION*>(&_handle)); }
      27             : ASMJIT_FORCE_INLINE void Lock::unlock() noexcept { LeaveCriticalSection(reinterpret_cast<CRITICAL_SECTION*>(&_handle)); }
      28             : 
      29             : #elif !defined(__EMSCRIPTEN__)
      30             : 
      31             : // PThread implementation.
      32             : #ifdef PTHREAD_MUTEX_INITIALIZER
      33       27422 : ASMJIT_FORCE_INLINE Lock::Lock() noexcept : _handle(PTHREAD_MUTEX_INITIALIZER) {}
      34             : #else
      35             : ASMJIT_FORCE_INLINE Lock::Lock() noexcept { pthread_mutex_init(&_handle, nullptr); }
      36             : #endif
      37       27422 : ASMJIT_FORCE_INLINE Lock::~Lock() noexcept { pthread_mutex_destroy(&_handle); }
      38       27592 : ASMJIT_FORCE_INLINE void Lock::lock() noexcept { pthread_mutex_lock(&_handle); }
      39       27592 : ASMJIT_FORCE_INLINE void Lock::unlock() noexcept { pthread_mutex_unlock(&_handle); }
      40             : 
      41             : #else
      42             : 
      43             : // Dummy implementation - Emscripten or other unsupported platform.
      44             : ASMJIT_FORCE_INLINE Lock::Lock() noexcept {}
      45             : ASMJIT_FORCE_INLINE Lock::~Lock() noexcept {}
      46             : ASMJIT_FORCE_INLINE void Lock::lock() noexcept {}
      47             : ASMJIT_FORCE_INLINE void Lock::unlock() noexcept {}
      48             : 
      49             : #endif
      50             : 
      51             : //! Scoped lock.
      52             : class LockGuard {
      53             : public:
      54             :   ASMJIT_NONCOPYABLE(LockGuard)
      55             : 
      56             :   Lock& _target;
      57             : 
      58             :   inline LockGuard(Lock& target) noexcept
      59             :     : _target(target) { _target.lock(); }
      60       27592 :   inline ~LockGuard() noexcept { _target.unlock(); }
      61             : };
      62             : 
      63             : //! \}
      64             : //! \endcond
      65             : 
      66             : ASMJIT_END_NAMESPACE
      67             : 
      68             : #endif // ASMJIT_CORE_OSUTILS_P_H_INCLUDED
      69             : 
      70             : 
      71             : #endif // __PLUMED_HAS_ASMJIT