int MPIDI_CH3I_Progress_finalize(void)
{
int mpi_errno;
MPIDI_CH3I_Connection_t *conn = NULL;
MPIR_FUNC_VERBOSE_STATE_DECL(MPID_STATE_MPIDI_CH3I_PROGRESS_FINALIZE);
MPIR_FUNC_VERBOSE_ENTER(MPID_STATE_MPIDI_CH3I_PROGRESS_FINALIZE);
/* Shut down the listener */
mpi_errno = MPIDU_CH3I_ShutdownListener();
if (mpi_errno != MPI_SUCCESS) { MPIR_ERR_POP(mpi_errno); }
/* Close open connections */
MPIDI_CH3I_Sock_close_open_sockets(MPIDI_CH3I_sock_set,(void**) &conn);
while (conn != NULL) {
conn->state = CONN_STATE_CLOSING;
mpi_errno = MPIDI_CH3_Sockconn_handle_close_event(conn);
if (mpi_errno) { MPIR_ERR_POP(mpi_errno); }
MPIDI_CH3I_Sock_close_open_sockets(MPIDI_CH3I_sock_set,(void**) &conn);
}
/*
* MT: in a multi-threaded environment, finalize() should signal any
* thread(s) blocking on MPIDI_CH3I_Sock_wait() and wait for
* those * threads to complete before destroying the progress engine
* data structures.
*/
MPIDI_CH3I_Sock_destroy_set(MPIDI_CH3I_sock_set);
MPIDI_CH3I_Sock_finalize();
MPIR_THREAD_CHECK_BEGIN;
/* FIXME should be appropriately abstracted somehow */
# if defined(MPICH_IS_THREADED) && (MPICH_THREAD_GRANULARITY == MPICH_THREAD_GRANULARITY__GLOBAL)
{
int err;
MPID_Thread_cond_destroy(&MPIDI_CH3I_progress_completion_cond, &err);
MPIR_Assert(err == 0);
}
# endif
MPIR_THREAD_CHECK_END;
fn_exit:
MPIR_FUNC_VERBOSE_EXIT(MPID_STATE_MPIDI_CH3I_PROGRESS_FINALIZE);
return mpi_errno;
fn_fail:
goto fn_exit;
}
int MPIR_Finalize_async_thread(void)
{
int mpi_errno = MPI_SUCCESS;
#if MPICH_THREAD_LEVEL == MPI_THREAD_MULTIPLE
MPIR_Request *request_ptr = NULL;
MPI_Request request;
MPI_Status status;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPIR_FINALIZE_ASYNC_THREAD);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPIR_FINALIZE_ASYNC_THREAD);
mpi_errno = MPID_Isend(NULL, 0, MPI_CHAR, 0, WAKE_TAG, progress_comm_ptr,
MPIR_CONTEXT_INTRA_PT2PT, &request_ptr);
MPIR_Assert(!mpi_errno);
request = request_ptr->handle;
mpi_errno = MPIR_Wait_impl(&request, &status);
MPIR_Assert(!mpi_errno);
/* XXX DJG why is this unlock/lock necessary? Should we just YIELD here or later? */
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPID_Thread_mutex_lock(&progress_mutex, &mpi_errno);
MPIR_Assert(!mpi_errno);
while (!progress_thread_done) {
MPID_Thread_cond_wait(&progress_cond, &progress_mutex, &mpi_errno);
MPIR_Assert(!mpi_errno);
}
MPID_Thread_mutex_unlock(&progress_mutex, &mpi_errno);
MPIR_Assert(!mpi_errno);
mpi_errno = MPIR_Comm_free_impl(progress_comm_ptr);
MPIR_Assert(!mpi_errno);
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPID_Thread_cond_destroy(&progress_cond, &mpi_errno);
MPIR_Assert(!mpi_errno);
MPID_Thread_mutex_destroy(&progress_mutex, &mpi_errno);
MPIR_Assert(!mpi_errno);
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPIR_FINALIZE_ASYNC_THREAD);
#endif /* MPICH_THREAD_LEVEL == MPI_THREAD_MULTIPLE */
return mpi_errno;
}
int MPIDI_CH3I_Progress_finalize(void)
{
int mpi_errno;
MPIDI_STATE_DECL(MPID_STATE_MPIDI_CH3I_PROGRESS_FINALIZE);
MPIDI_FUNC_ENTER(MPID_STATE_MPIDI_CH3I_PROGRESS_FINALIZE);
/* Shut down the listener */
mpi_errno = MPIDU_CH3I_ShutdownListener();
if (mpi_errno != MPI_SUCCESS) { MPIU_ERR_POP(mpi_errno); }
/* FIXME: Cleanly shutdown other socks and free connection structures.
(close protocol?) */
/*
* MT: in a multi-threaded environment, finalize() should signal any
* thread(s) blocking on MPIDU_Sock_wait() and wait for
* those * threads to complete before destroying the progress engine
* data structures.
*/
MPIDU_Sock_destroy_set(MPIDI_CH3I_sock_set);
MPIDU_Sock_finalize();
MPIU_THREAD_CHECK_BEGIN
/* FIXME should be appropriately abstracted somehow */
# if defined(MPICH_IS_THREADED) && (MPIU_THREAD_GRANULARITY == MPIU_THREAD_GRANULARITY_GLOBAL)
{
int err;
MPID_Thread_cond_destroy(&MPIDI_CH3I_progress_completion_cond, &err);
MPIU_Assert(err == 0);
}
# endif
MPIU_THREAD_CHECK_END
fn_exit:
MPIDI_FUNC_EXIT(MPID_STATE_MPIDI_CH3I_PROGRESS_FINALIZE);
return mpi_errno;
fn_fail:
goto fn_exit;
}
