/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2001 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpiimpl.h"
#include "attr.h"
/* -- Begin Profiling Symbol Block for routine MPI_Win_delete_attr */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Win_delete_attr = PMPI_Win_delete_attr
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Win_delete_attr MPI_Win_delete_attr
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Win_delete_attr as PMPI_Win_delete_attr
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Win_delete_attr(MPI_Win win, int win_keyval)
__attribute__ ((weak, alias("PMPI_Win_delete_attr")));
#endif
/* -- End Profiling Symbol Block */
/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
the MPI routines */
#ifndef MPICH_MPI_FROM_PMPI
#undef MPI_Win_delete_attr
#define MPI_Win_delete_attr PMPI_Win_delete_attr
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Win_delete_attr
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Win_delete_attr - Deletes an attribute value associated with a key on
a datatype
Input Parameters:
+ win - window from which the attribute is deleted (handle)
- win_keyval - key value (integer)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_WIN
.N MPI_ERR_KEYVAL
.N MPI_ERR_OTHER
@*/
int MPI_Win_delete_attr(MPI_Win win, int win_keyval)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Win *win_ptr = NULL;
MPIR_Attribute *p, **old_p;
MPII_Keyval *keyval_ptr = 0;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_WIN_DELETE_ATTR);
MPIR_ERRTEST_INITIALIZED_ORDIE();
/* The thread lock prevents a valid attr delete on the same window
* but in a different thread from causing problems */
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_WIN_DELETE_ATTR);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_WIN(win, mpi_errno);
MPIR_ERRTEST_KEYVAL(win_keyval, MPIR_WIN, "window", mpi_errno);
MPIR_ERRTEST_KEYVAL_PERM(win_keyval, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif
/* Convert MPI object handles to object pointers */
MPIR_Win_get_ptr(win, win_ptr);
MPII_Keyval_get_ptr(win_keyval, keyval_ptr);
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
/* Validate win_ptr */
MPIR_Win_valid_ptr(win_ptr, mpi_errno);
/* If win_ptr is not valid, it will be reset to null */
/* Validate keyval_ptr */
MPII_Keyval_valid_ptr(keyval_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
/* Look for attribute. They are ordered by keyval handle */
old_p = &win_ptr->attributes;
p = win_ptr->attributes;
while (p) {
if (p->keyval->handle == keyval_ptr->handle) {
break;
}
old_p = &p->next;
p = p->next;
}
/* We can't unlock yet, because we must not free the attribute until
* we know whether the delete function has returned with a 0 status
* code */
if (p) {
/* Run the delete function, if any, and then free the attribute
* storage */
mpi_errno = MPIR_Call_attr_delete(win, p);
/* --BEGIN ERROR HANDLING-- */
if (!mpi_errno) {
int in_use;
/* We found the attribute. Remove it from the list */
*old_p = p->next;
/* Decrement the use of the keyval */
MPII_Keyval_release_ref(p->keyval, &in_use);
if (!in_use) {
MPIR_Handle_obj_free(&MPII_Keyval_mem, p->keyval);
}
MPID_Attr_free(p);
}
/* --END ERROR HANDLING-- */
}
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_WIN_DELETE_ATTR);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
#ifdef HAVE_ERROR_CHECKING
{
mpi_errno =
MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_win_delete_attr", "**mpi_win_delete_attr %W %d", win,
win_keyval);
}
#endif
mpi_errno = MPIR_Err_return_win(win_ptr, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}