Ryan Malloy
a7f62e5d7e
- Library source from AN721SW (cp210xmanufacturing_1.0.tar.gz) - Manufacturing tool source (cp210xsmt) - Builds 64-bit shared library with: make LIB_ARCH=64 - Datasheets and app notes in docs/
93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// CCriticalSectionLock.h
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/////////////////////////////////////////////////////////////////////////////
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#ifndef CRITICAL_SECTION_LOCK_H
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#define CRITICAL_SECTION_LOCK_H
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#if defined(_WIN32)
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#include "Types.h"
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#elif defined(__APPLE__)
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#include <CoreServices/CoreServices.h>
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#include <pthread.h>
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#include "Types.h"
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#elif defined(__linux__)
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#include "Types.h"
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#include <pthread.h>
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#include <string.h>
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#include <unistd.h>
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#else
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#error "error: Unsupported OS type"
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#endif
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#include "silabs_sal.h"
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class CCriticalSectionLock
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{
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// Constructor/Destructor
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public:
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inline CCriticalSectionLock() throw()
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{
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#if defined(_WIN32)
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InitializeCriticalSection(&m_cs);
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#else
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pthread_mutexattr_t attr;
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// Create a mutex object with recursive behavior
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//
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// This means that you can call pthread_mutex_lock()
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// more than once from the same thread before calling
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// pthread_mutex_unlock().
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//
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// Doing the same using the default mutex attributes
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// would cause deadlock.
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//
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pthread_mutexattr_init(&attr);
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pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
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pthread_mutex_init(&m_cs, &attr);
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pthread_mutexattr_destroy(&attr);
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#endif
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}
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inline ~CCriticalSectionLock() throw()
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{
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#if defined(_WIN32)
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DeleteCriticalSection(&m_cs);
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#else
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pthread_mutex_destroy(&m_cs);
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#endif
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}
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// Public Methods
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public:
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#pragma warning(suppress: 26135) // The _Acquires_lock_() annotation seems like it is correct, but clearly isn't as Warning 26135 is still generated. TODO: resolve.
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_Acquires_lock_(m_cs)
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inline void Lock() throw()
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{
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#if defined(_WIN32)
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EnterCriticalSection(&m_cs);
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#else
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pthread_mutex_lock(&m_cs);
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#endif
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}
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#pragma warning(suppress: 26135) // The _Acquires_lock_() annotation seems like it is correct, but clearly isn't as Warning 26135 is still generated. TODO: resolve.
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_Releases_lock_(m_cs)
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inline void Unlock() throw()
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{
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#if defined(_WIN32)
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LeaveCriticalSection(&m_cs);
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#else
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pthread_mutex_unlock(&m_cs);
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#endif
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}
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// Protected Members
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protected:
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#if defined(_WIN32)
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CRITICAL_SECTION m_cs;
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#else
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pthread_mutex_t m_cs;
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#endif
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};
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#endif // CRITICAL_SECTION_LOCK_H
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