**************************************************************************/
/*
- * Simple OS abstraction.
+ * OS native thread abstraction.
*
- * Mimics C++11 / boost threads.
+ * Mimics C++11 threads.
*/
#ifndef _OS_THREAD_HPP_
wait(unique_lock<mutex> & lock) {
mutex::native_handle_type & mutex_native_handle = lock.mutex()->native_handle();
#ifdef _WIN32
- /* FIXME */
SleepConditionVariableCS(&_native_handle, &mutex_native_handle, INFINITE);
#else
pthread_cond_wait(&_native_handle, &mutex_native_handle);
/**
- * Same interface as boost::thread_specific_ptr.
+ * Same interface as std::thread
*/
- template <typename T>
- class thread_specific_ptr
- {
- private:
-#ifdef _WIN32
- DWORD dwTlsIndex;
-#else
- pthread_key_t key;
-
- static void destructor(void *ptr) {
- delete static_cast<T *>(ptr);
- }
-#endif
-
+ class thread {
public:
- thread_specific_ptr(void) {
#ifdef _WIN32
- dwTlsIndex = TlsAlloc();
-#else
- pthread_key_create(&key, &destructor);
-#endif
- }
-
- ~thread_specific_ptr() {
-#ifdef _WIN32
- TlsFree(dwTlsIndex);
-#else
- pthread_key_delete(key);
-#endif
- }
-
- T* get(void) const {
- void *ptr;
-#ifdef _WIN32
- ptr = TlsGetValue(dwTlsIndex);
+ typedef HANDLE native_handle_type;
#else
- ptr = pthread_getspecific(key);
+ typedef pthread_t native_handle_type;
#endif
- return static_cast<T*>(ptr);
- }
- T* operator -> (void) const
+ inline
+ thread() :
+ _native_handle(0)
{
- return get();
}
- T& operator * (void) const
+ inline
+ thread(thread &other) :
+ _native_handle(other._native_handle)
{
- return *get();
}
- void reset(T* new_value=0) {
- T * old_value = get();
- set(new_value);
- if (old_value) {
- delete old_value;
- }
- }
-
- T* release (void) {
- T * old_value = get();
- set(0);
- return old_value;
- }
-
-private:
- void set(T* new_value) {
-#ifdef _WIN32
- TlsSetValue(dwTlsIndex, new_value);
-#else
- pthread_setspecific(key, new_value);
-#endif
- }
- };
-
-
- /**
- * Same interface as std::thread
- */
- class thread {
- public:
-#ifdef _WIN32
- typedef HANDLE native_handle_type;
-#else
- typedef pthread_t native_handle_type;
-#endif
-
template< class Function, class Arg >
explicit thread( Function& f, Arg arg ) {
#ifdef _WIN32
- /* FIXME */
DWORD id = 0;
_native_handle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)f, (LPVOID)arg, 0, &id);
#else
- pthread_create(&_native_handle, NULL, f, arg);
+ pthread_create(&_native_handle, NULL, ( void *(*) (void *))f, arg);
#endif
}
+ inline bool
+ joinable(void) const {
+ return _native_handle != 0;
+ }
+
inline void
join() {
#ifdef _WIN32