/**************************************************************************
*
- * Copyright 2011 Jose Fonseca
+ * Copyright 2011-2012 Jose Fonseca
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
namespace os {
- class recursive_mutex
+ /**
+ * Base class for mutex and recursive_mutex.
+ */
+ class _base_mutex
{
public:
#ifdef _WIN32
typedef pthread_mutex_t native_handle_type;
#endif
- recursive_mutex(void) {
+ _base_mutex(void) {
#ifdef _WIN32
InitializeCriticalSection(&_native_handle);
#else
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
- pthread_mutex_init(&_native_handle, NULL);
+ pthread_mutex_init(&_native_handle, &attr);
pthread_mutexattr_destroy(&attr);
#endif
}
- ~recursive_mutex() {
+ ~_base_mutex() {
#ifdef _WIN32
DeleteCriticalSection(&_native_handle);
#else
#endif
}
- private:
+ native_handle_type & native_handle() {
+ return _native_handle;
+ }
+
+ protected:
native_handle_type _native_handle;
};
+ /**
+ * Same interface as std::mutex.
+ */
+ class mutex : public _base_mutex
+ {
+ public:
+ inline
+ mutex(void) {
+#ifdef _WIN32
+ InitializeCriticalSection(&_native_handle);
+#else
+ pthread_mutex_init(&_native_handle, NULL);
+#endif
+ }
+ };
+
+
+ /**
+ * Same interface as std::recursive_mutex.
+ */
+ class recursive_mutex : public _base_mutex
+ {
+ public:
+ inline
+ recursive_mutex(void) {
+#ifdef _WIN32
+ InitializeCriticalSection(&_native_handle);
+#else
+ pthread_mutexattr_t attr;
+ pthread_mutexattr_init(&attr);
+ pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+ pthread_mutex_init(&_native_handle, &attr);
+ pthread_mutexattr_destroy(&attr);
+#endif
+ }
+ };
+
+
+ /**
+ * Same interface as std::unique_lock;
+ */
+ template< class Mutex >
+ class unique_lock
+ {
+ public:
+ typedef Mutex mutex_type;
+
+ inline explicit
+ unique_lock(mutex_type & mutex) :
+ _mutex(&mutex)
+ {
+ _mutex->lock();
+ }
+
+ inline
+ ~unique_lock() {
+ _mutex->unlock();
+ }
+
+ inline void
+ lock() {
+ _mutex->lock();
+ }
+
+ inline void
+ unlock() {
+ _mutex->unlock();
+ }
+
+ mutex_type *
+ mutex() const {
+ return _mutex;
+ }
+
+ protected:
+ mutex_type *_mutex;
+ };
+
+
+ /**
+ * Same interface as std::condition_variable
+ */
+ class condition_variable
+ {
+ public:
+#ifdef _WIN32
+ /* FIXME */
+#else
+ typedef pthread_cond_t native_handle_type;
+#endif
+
+ condition_variable() {
+#ifdef _WIN32
+ /* FIXME */
+#else
+ pthread_cond_init(&_native_handle, NULL);
+#endif
+ }
+
+ ~condition_variable() {
+#ifdef _WIN32
+ /* FIXME */
+#else
+ pthread_cond_destroy(&_native_handle);
+#endif
+ }
+
+ inline void
+ signal(void) {
+#ifdef _WIN32
+ /* FIXME */
+#else
+ pthread_cond_signal(&_native_handle);
+#endif
+ }
+
+ inline void
+ wait(unique_lock<mutex> & lock) {
+#ifdef _WIN32
+ /* FIXME */
+#else
+ pthread_cond_wait(&_native_handle, &lock.mutex()->native_handle());
+#endif
+ }
+
+ protected:
+ native_handle_type _native_handle;
+ };
+
+
+ /**
+ * Same interface as boost::thread_specific_ptr.
+ */
template <typename T>
class thread_specific_ptr
{
}
};
+
+ /**
+ * Same interface as std::thread
+ */
+ class thread {
+ public:
+#ifdef _WIN32
+ /* FIXME */
+#else
+ typedef pthread_t native_handle_type;
+#endif
+
+ template< class Function, class Arg >
+ explicit thread( Function& f, Arg & arg ) {
+#ifdef _WIN32
+ /* FIXME */
+#else
+ pthread_create(&_native_handle, NULL, f, arg);
+#endif
+ }
+
+ inline void
+ join() {
+#ifdef _WIN32
+ /* FIXME */
+#else
+ pthread_join(_native_handle, NULL);
+#endif
+ }
+
+ private:
+ native_handle_type _native_handle;
+ };
+
} /* namespace os */
#endif /* _OS_THREAD_HPP_ */