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MPI_Win_get_info - Retrieves active window info hints
#include <mpi.h>
int MPI_Win_get_info(MPI_Win win, MPI_Info *info_used)
INCLUDE ’mpif.h’
MPI_WIN_GET_INFO(WIN, INFO_USED, IERROR)
INTEGER COMM, INFO_USED, IERROR
- win
- Window from which to receive active info hints
- info_used
- New info object returned with all active hints on this
window.
- IERROR
- Fortran only: Error status (integer).
MPI_Win_get_info
returns a new info object containing the hints of the window associated
with win. The current setting of all hints actually used by the system related
to this window is returned in info_used. If no such hints exist, a handle
to a newly created info object is returned that contains no key/value pair.
The user is responsible for freeing info_used via MPI_Info_free.
Almost
all MPI routines return an error value; C routines as the value of the
function and Fortran routines in the last argument.
Before the error value
is returned, the current MPI error handler is called. By default, this error
handler aborts the MPI job, except for I/O function errors. The error handler
may be changed with MPI_Comm_set_errhandler; the predefined error handler
MPI_ERRORS_RETURN may be used to cause error values to be returned. Note
that MPI does not guarantee that an MPI program can continue past an error.
MPI_Win_set_info, MPI_Win_free
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