95 строки
2.7 KiB
C
95 строки
2.7 KiB
C
/*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "mpi.h"
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#include "mpi/c/bindings.h"
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#include "class/ompi_list.h"
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#include "info/info.h"
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#include <stdlib.h>
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#include <string.h>
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#include "errhandler/errhandler.h"
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#include "communicator/communicator.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Info_set = PMPI_Info_set
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "mpi/c/profile/defines.h"
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#endif
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/**
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* MPI_Info_set - Set a (key, value) pair in an 'MPI_Info' object
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*
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* @param key null-terminated character string of the index key
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* @param value null-terminated character string of the value
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* @param info info object (handle)
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*
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* @retval MPI_SUCCESS
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* @retval MPI_ERR_ARG
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* @retval MPI_ERR_INFO_KEY
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* @retval MPI_ERR_INFO_VAL
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* @retval MPI_ERR_INFO_NOKEY
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* @retval MPI_ERR_INTERN
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*
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* MPI_Info_set adds the (key,value) pair to info, and overrides
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* teh value if for the same key a previsou value was set. key and
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* value must be NULL terminated strings in C. In fortan, leading
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* and trailing spaces in key and value are stripped. If either
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* key or value is greater than the allowed maxima, MPI_ERR_INFO_KEY
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* and MPI_ERR_INFO_VALUE are raised
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*/
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int MPI_Info_set(MPI_Info info, char *key, char *value) {
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int err;
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int key_length;
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int value_length;
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/*
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* Error conditions are
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* 1. MPI_ERR_ARG if
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* - info is NULL
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* 2. MPI_ERR_SYSRESOURCE
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* - No storage space available for the new value
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* 3. MPI_ERR_INFO_KEY
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* - Key length exceeded MPI_MAX_KEY_VAL
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* 3. MPI_ERR_INFO_VAL
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* - value length exceeded MPI_MAX_KEY_VAL
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*/
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if (MPI_PARAM_CHECK) {
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if (NULL == info){
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return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_ARG,
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"MPI_Info_set");
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}
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key_length = (key) ? strlen (key) : 0;
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if ( (0 == key_length) || (MPI_MAX_INFO_KEY <= key_length)) {
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return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_INFO_KEY,
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"MPI_Info_set");
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}
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value_length = (value) ? strlen (value) : 0;
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if ( (0 == value_length) || (MPI_MAX_INFO_KEY <= value_length)) {
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return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_INFO_VALUE,
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"MPI_Info_set");
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}
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}
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/*
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* If all is right with the arguments, then call the back-end
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* allocator.
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*/
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err = ompi_info_set (info, key, value);
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if (MPI_ERR_SYSRESOURCE == err) {
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return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_SYSRESOURCE,
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"MPI_Info_set");
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}
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return err;
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}
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