OpenMPI 0.1.1

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osc_rdma_obj_convert.h
1 /*
2 * Copyright (c) 2004-2005 The Trustees of Indiana University.
3 * All rights reserved.
4 * Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
5 * All rights reserved.
6 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
7 * University of Stuttgart. All rights reserved.
8 * Copyright (c) 2004-2005 The Regents of the University of California.
9 * All rights reserved.
10 * Copyright (c) 2007 Los Alamos National Security, LLC. All rights
11 * reserved.
12 * Copyright (c) 2010 IBM Corporation. All rights reserved.
13 * $COPYRIGHT$
14 *
15 * Additional copyrights may follow
16 *
17 * $HEADER$
18 */
19
20 /*
21 * utility functions for dealing with remote datatype and op structures
22 */
23
24 /**
25 * Convert a window index number into a module instance.
26 */
27 static inline ompi_osc_rdma_module_t*
28 ompi_osc_rdma_windx_to_module(uint32_t windx)
29 {
30 int ret;
31 ompi_osc_rdma_module_t *module;
32
33 /* find the right module and dispatch */
34 OPAL_THREAD_LOCK(&mca_osc_rdma_component.c_lock);
35 ret = opal_hash_table_get_value_uint32(&mca_osc_rdma_component.c_modules,
36 windx,
37 (void**) (&module));
38 OPAL_THREAD_UNLOCK(&mca_osc_rdma_component.c_lock);
39 if (OMPI_SUCCESS != ret) {
40 opal_output(0, "Could not translate windx %d to a local MPI_Win instance",
41 windx);
42 return NULL;
43 }
44
45 return module;
46 }
ompi_osc_rdma_module_t
Definition: osc_rdma.h:111
OPAL_THREAD_LOCK
#define OPAL_THREAD_LOCK(mutex)
Lock a mutex if opal_using_threads() says that multiple threads may be active in the process...
Definition: mutex.h:223
OPAL_THREAD_UNLOCK
#define OPAL_THREAD_UNLOCK(mutex)
Unlock a mutex if opal_using_threads() says that multiple threads may be active in the process...
Definition: mutex.h:309
opal_output
OPAL_DECLSPEC void opal_output(int output_id, const char *format,...) __opal_attribute_format__(__printf__
Main function to send output to a stream.
ompi_osc_rdma_component_t::c_modules
opal_hash_table_t c_modules
List of ompi_osc_rdma_module_ts currently in existance.
Definition: osc_rdma.h:55
ompi_osc_rdma_component_t::c_lock
opal_mutex_t c_lock
lock access to datastructures in the component structure
Definition: osc_rdma.h:50
opal_hash_table_get_value_uint32
OPAL_DECLSPEC int opal_hash_table_get_value_uint32(opal_hash_table_t *table, uint32_t key, void **ptr)
Retrieve value via uint32_t key.
Definition: opal_hash_table.c:128