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MPI_Win_delete_attr

Langue: en

Version: 173477 (fedora - 06/07/09)

Autres sections - même nom

Section: 4 (Pilotes et protocoles réseau)

NAME

MPI_Win_delete_attr - Deletes an attribute value associated with a key on a datatype

SYNOPSIS

 int MPI_Win_delete_attr(MPI_Win win, int win_keyval)
 

INPUT PARAMETERS

win
- window from which the attribute is deleted (handle)
win_keyval
- key value (integer)

THREAD AND INTERRUPT SAFETY

This routine is thread-safe. This means that this routine may be safely used by multiple threads without the need for any user-provided thread locks. However, the routine is not interrupt safe. Typically, this is due to the use of memory allocation routines such as malloc or other non-MPICH runtime routines that are themselves not interrupt-safe.

NOTES FOR FORTRAN

All MPI routines in Fortran (except for MPI_WTIME and MPI_WTICK ) have an additional argument ierr at the end of the argument list. ierr is an integer and has the same meaning as the return value of the routine in C. In Fortran, MPI routines are subroutines, and are invoked with the call statement.

All MPI objects (e.g., MPI_Datatype , MPI_Comm ) are of type INTEGER in Fortran.

ERRORS

All MPI routines (except MPI_Wtime and MPI_Wtick ) return an error value; C routines as the value of the function and Fortran routines in the last argument. Before the value is returned, the current MPI error handler is called. By default, this error handler aborts the MPI job. The error handler may be changed with MPI_Comm_set_errhandler (for communicators), MPI_File_set_errhandler (for files), and MPI_Win_set_errhandler (for RMA windows). The MPI-1 routine MPI_Errhandler_set may be used but its use is deprecated. The predefined error handler MPI_ERRORS_RETURN may be used to cause error values to be returned. Note that MPI does not guarentee that an MPI program can continue past an error; however, MPI implementations will attempt to continue whenever possible.

MPI_SUCCESS
- No error; MPI routine completed successfully.
MPI_ERR_WIN
- Invalid MPI window object
MPI_ERR_KEYVAL
- Invalid keyval
MPI_ERR_OTHER
- Other error; use MPI_Error_string to get more information about this error code.

LOCATION

win_delete_attr.c
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