1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
2 /*
3 * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
4 * University Research and Technology
5 * Corporation. All rights reserved.
6 * Copyright (c) 2004-2005 The University of Tennessee and The University
7 * of Tennessee Research Foundation. All rights
8 * reserved.
9 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
10 * University of Stuttgart. All rights reserved.
11 * Copyright (c) 2004-2005 The Regents of the University of California.
12 * All rights reserved.
13 * Copyright (c) 2013 Los Alamos National Security, LLC. All rights
14 * reserved.
15 * Copyright (c) 2015 Research Organization for Information Science
16 * and Technology (RIST). All rights reserved.
17 * Copyright (c) 2017 Cisco Systems, Inc. All rights reserved
18 * $COPYRIGHT$
19 *
20 * Additional copyrights may follow
21 *
22 * $HEADER$
23 */
24
25 #include "ompi_config.h"
26
27 #include "ompi/mpi/c/bindings.h"
28 #include "ompi/runtime/params.h"
29 #include "ompi/communicator/communicator.h"
30 #include "ompi/errhandler/errhandler.h"
31 #include "ompi/info/info.h"
32 #include <stdlib.h>
33 #include <string.h>
34
35 #if OMPI_BUILD_MPI_PROFILING
36 #if OPAL_HAVE_WEAK_SYMBOLS
37 #pragma weak MPI_Info_delete = PMPI_Info_delete
38 #endif
39 #define MPI_Info_delete PMPI_Info_delete
40 #endif
41
42 static const char FUNC_NAME[] = "MPI_Info_delete";
43
44
45 /**
46 * Delete a (key,value) pair from "info"
47 *
48 * @param info MPI_Info handle on which we need to operate
49 * @param key The key portion of the (key,value) pair that
50 * needs to be deleted
51 *
52 * @retval MPI_SUCCESS If the (key,val) pair was deleted
53 * @retval MPI_ERR_INFO
54 * @retval MPI_ERR_INFO_KEYY
55 */
56 int MPI_Info_delete(MPI_Info info, const char *key) {
57 int key_length;
58 int err;
59
60 /**
61 * This function merely deletes the (key,val) pair in info
62 */
63 if (MPI_PARAM_CHECK) {
64 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
65 if (NULL == info || MPI_INFO_NULL == info ||
66 ompi_info_is_freed(info)) {
67 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
68 FUNC_NAME);
69 }
70
71 key_length = (key) ? (int)strlen (key) : 0;
72 if ((NULL == key) || (0 == key_length) ||
73 (MPI_MAX_INFO_KEY <= key_length)) {
74 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO_KEY,
75 FUNC_NAME);
76 }
77 }
78
79 OPAL_CR_ENTER_LIBRARY();
80
81 err = ompi_info_delete (info, key);
82
83 // Note that ompi_info_delete() (i.e., opal_info_delete()) will
84 // return OPAL_ERR_NOT_FOUND if there was no corresponding key to
85 // delete. Per MPI-3.1, we need to convert that to
86 // MPI_ERR_INFO_NOKEY.
87 if (OPAL_ERR_NOT_FOUND == err) {
88 err = MPI_ERR_INFO_NOKEY;
89 }
90
91 OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, FUNC_NAME);
92 }