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openmpi/opal/threads/condition.c
Brian Barrett 6ef938de3f * Per the Developer's meeting today, restructure the threading in Open MPI a bit
more:
  - Remove OPAL_ENABLE_MULTI_THREADS, since it didn't really do anything
    correctly.  Opal always has threads enabled at this point.
  - Remove OMPI_ENABLE_PROGRESS_THREADS, since this hasn't worked in
    8 years and it has performance issues we'll never be able to
    overcome.  Note that we have plans for re-adding async progress, using
    a hybrid protocol of async and sync sends.
  - OMPI_ENABLE_THREAD_MULTIPLE now determines whether the thread lock
    macros do the check or not.
  - Condition variables are ALWAYS polling right now, which fixes the thread
    live-lock currently found when THREAD_MULTIPLE is turned on.

This commit was SVN r29891.
2013-12-13 19:40:12 +00:00

39 строки
1.1 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/threads/condition.h"
static void opal_condition_construct(opal_condition_t *c)
{
c->c_waiting = 0;
c->c_signaled = 0;
}
static void opal_condition_destruct(opal_condition_t *c)
{
}
OBJ_CLASS_INSTANCE(opal_condition_t,
opal_object_t,
opal_condition_construct,
opal_condition_destruct);