stxxl::request_queue_impl_worker Class Reference

Detailed Description

Implementation of request queue worker threads. Worker threads can be started by start_thread and stopped with stop_thread. The queue state is checked before termination and updated afterwards.

Definition at line 43 of file request_queue_impl_worker.h.

Inheritance diagram for stxxl::request_queue_impl_worker:

Collaboration diagram for stxxl::request_queue_impl_worker:

Protected Types
enum	thread_state { NOT_RUNNING, RUNNING, TERMINATING, TERMINATED }
typedef pthread_t	thread_type

Protected Member Functions
void	start_thread (void *(*worker)(void *), void *arg, thread_type &t, state< thread_state > &s)
void	stop_thread (thread_type &t, state< thread_state > &s, semaphore &sem)

Additional Inherited Members
Public Types inherited from stxxl::request_queue
enum	priority_op { READ, WRITE, NONE }
Public Member Functions inherited from stxxl::request_queue
virtual	~request_queue ()
virtual void	add_request (request_ptr &req)=0
virtual bool	cancel_request (request_ptr &req)=0
virtual void	set_priority_op (priority_op p)

Member Typedef Documentation

typedef pthread_t stxxl::request_queue_impl_worker::thread_type

protected

Definition at line 53 of file request_queue_impl_worker.h.

Member Enumeration Documentation

enum stxxl::request_queue_impl_worker::thread_state

protected

Enumerator
NOT_RUNNING
RUNNING
TERMINATING
TERMINATED

Definition at line 46 of file request_queue_impl_worker.h.

Member Function Documentation

void stxxl::request_queue_impl_worker::start_thread ( void *(*)(void *)  worker, void *  arg, thread_type &  t, state< thread_state > &  s  )

protected

Definition at line 35 of file request_queue_impl_worker.cpp.

References stxxl::state< ValueType >::set_to(), and STXXL_CHECK_PTHREAD_CALL.

Referenced by stxxl::linuxaio_queue::linuxaio_queue(), stxxl::request_queue_impl_1q::request_queue_impl_1q(), and stxxl::request_queue_impl_qwqr::request_queue_impl_qwqr().

void stxxl::request_queue_impl_worker::stop_thread ( thread_type &  t, state< thread_state > &  s, semaphore &  sem  )

protected

Definition at line 48 of file request_queue_impl_worker.cpp.

References stxxl::state< ValueType >::set_to(), and STXXL_CHECK_PTHREAD_CALL.

Referenced by stxxl::linuxaio_queue::~linuxaio_queue(), stxxl::request_queue_impl_1q::~request_queue_impl_1q(), and stxxl::request_queue_impl_qwqr::~request_queue_impl_qwqr().

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The documentation for this class was generated from the following files:

• include/stxxl/bits/io/request_queue_impl_worker.h
• lib/io/request_queue_impl_worker.cpp