/* Routine to duplicate an attribute list */
int MPIR_Attr_dup_list(int handle, MPIR_Attribute * old_attrs, MPIR_Attribute ** new_attr)
{
MPIR_Attribute *p, *new_p, **next_new_attr_ptr = new_attr;
void *new_value = NULL;
int mpi_errno = MPI_SUCCESS;
for (p = old_attrs; p != NULL; p = p->next) {
/* call the attribute copy function (if any) */
int flag = 0;
mpi_errno = MPIR_Call_attr_copy(handle, p, &new_value, &flag);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
if (!flag)
continue;
/* If flag was returned as true, then insert this attribute into the
* new list (new_attr) */
/* duplicate the attribute by creating new storage, copying the
* attribute value, and invoking the copy function */
new_p = MPID_Attr_alloc();
/* --BEGIN ERROR HANDLING-- */
if (!new_p) {
mpi_errno =
MPIR_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__,
MPI_ERR_OTHER, "**nomem", 0);
goto fn_fail;
}
/* --END ERROR HANDLING-- */
if (!*new_attr) {
*new_attr = new_p;
}
*(next_new_attr_ptr) = new_p;
new_p->keyval = p->keyval;
/* Remember that we need this keyval */
MPII_Keyval_add_ref(p->keyval);
new_p->attrType = p->attrType;
new_p->pre_sentinal = 0;
/* FIXME: This is not correct in some cases (size(MPI_Aint)>
* sizeof(intptr_t)) */
new_p->value = (MPII_Attr_val_t) (intptr_t) new_value;
new_p->post_sentinal = 0;
new_p->next = 0;
next_new_attr_ptr = &(new_p->next);
} /* for(;;) */
fn_exit:
return mpi_errno;
fn_fail:
goto fn_exit;
}
int MPIR_Comm_set_attr_impl(MPIR_Comm * comm_ptr, int comm_keyval, void *attribute_val,
MPIR_Attr_type attrType)
{
int mpi_errno = MPI_SUCCESS;
MPII_Keyval *keyval_ptr = NULL;
MPIR_Attribute *p;
MPIR_ERR_CHKANDJUMP(comm_keyval == MPI_KEYVAL_INVALID, mpi_errno, MPI_ERR_KEYVAL,
"**keyvalinvalid");
/* CHANGE FOR MPI 2.2: Look for attribute. They are ordered by when they
* were added, with the most recent first. This uses
* a simple linear list algorithm because few applications use more than a
* handful of attributes */
MPII_Keyval_get_ptr(comm_keyval, keyval_ptr);
MPIR_Assert(keyval_ptr != NULL);
/* printf("Setting attr val to %x\n", attribute_val); */
p = comm_ptr->attributes;
while (p) {
if (p->keyval->handle == keyval_ptr->handle) {
/* If found, call the delete function before replacing the
* attribute */
mpi_errno = MPIR_Call_attr_delete(comm_ptr->handle, p);
if (mpi_errno) {
goto fn_fail;
}
p->attrType = attrType;
/* FIXME: This code is incorrect in some cases, particularly
* in the case where intptr_t is different from MPI_Aint,
* since in that case, the Fortran 9x interface will provide
* more bytes in the attribute_val than this allows. The
* dual casts are a sign that this is faulty. This will
* need to be fixed in the type/win set_attr routines as
* well. */
p->value = (MPII_Attr_val_t) (intptr_t) attribute_val;
/* printf("Updating attr at %x\n", &p->value); */
/* Does not change the reference count on the keyval */
break;
}
p = p->next;
}
/* CHANGE FOR MPI 2.2: If not found, add at the beginning */
if (!p) {
MPIR_Attribute *new_p = MPID_Attr_alloc();
MPIR_ERR_CHKANDJUMP(!new_p, mpi_errno, MPI_ERR_OTHER, "**nomem");
/* Did not find in list. Add at end */
new_p->keyval = keyval_ptr;
new_p->attrType = attrType;
new_p->pre_sentinal = 0;
/* FIXME: See the comment above on this dual cast. */
new_p->value = (MPII_Attr_val_t) (intptr_t) attribute_val;
new_p->post_sentinal = 0;
new_p->next = comm_ptr->attributes;
MPII_Keyval_add_ref(keyval_ptr);
comm_ptr->attributes = new_p;
/* printf("Creating attr at %x\n", &new_p->value); */
}
/* Here is where we could add a hook for the device to detect attribute
* value changes, using something like
* MPID_Comm_attr_hook(comm_ptr, keyval, attribute_val);
*/
fn_exit:
return mpi_errno;
fn_fail:
goto fn_exit;
}
int MPII_Type_set_attr(MPI_Datatype datatype, int type_keyval, void *attribute_val,
MPIR_Attr_type attrType )
{
static const char FCNAME[] = "MPII_Type_set_attr";
int mpi_errno = MPI_SUCCESS;
MPIR_Datatype *type_ptr = NULL;
MPII_Keyval *keyval_ptr = NULL;
MPIR_Attribute *p, **old_p;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPIR_TYPE_SET_ATTR);
MPIR_ERRTEST_INITIALIZED_ORDIE();
/* The thread lock prevents a valid attr delete on the same datatype
but in a different thread from causing problems */
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPIR_TYPE_SET_ATTR);
/* Validate parameters, especially handles needing to be converted */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
MPIR_ERRTEST_KEYVAL(type_keyval, MPIR_DATATYPE, "datatype", mpi_errno);
MPIR_ERRTEST_KEYVAL_PERM(type_keyval, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
# endif
/* Convert MPI object handles to object pointers */
MPID_Datatype_get_ptr( datatype, type_ptr );
MPII_Keyval_get_ptr( type_keyval, keyval_ptr );
/* Validate parameters and objects (post conversion) */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
/* Validate type_ptr */
MPIR_Datatype_valid_ptr( type_ptr, mpi_errno );
/* If type_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. This uses
a simple linear list algorithm because few applications use more than a
handful of attributes */
old_p = &type_ptr->attributes;
p = type_ptr->attributes;
while (p) {
if (p->keyval->handle == keyval_ptr->handle) {
/* If found, call the delete function before replacing the
attribute */
mpi_errno = MPIR_Call_attr_delete( datatype, p );
/* --BEGIN ERROR HANDLING-- */
if (mpi_errno) {
goto fn_fail;
}
/* --END ERROR HANDLING-- */
p->value = (MPII_Attr_val_t)(intptr_t)attribute_val;
p->attrType = attrType;
break;
}
else if (p->keyval->handle > keyval_ptr->handle) {
MPIR_Attribute *new_p = MPID_Attr_alloc();
MPIR_ERR_CHKANDJUMP1(!new_p,mpi_errno,MPI_ERR_OTHER,
"**nomem","**nomem %s", "MPIR_Attribute" );
new_p->keyval = keyval_ptr;
new_p->attrType = attrType;
new_p->pre_sentinal = 0;
new_p->value = (MPII_Attr_val_t)(intptr_t)attribute_val;
new_p->post_sentinal = 0;
new_p->next = p->next;
MPII_Keyval_add_ref( keyval_ptr );
p->next = new_p;
break;
}
old_p = &p->next;
p = p->next;
}
if (!p)
{
MPIR_Attribute *new_p = MPID_Attr_alloc();
MPIR_ERR_CHKANDJUMP1(!new_p,mpi_errno,MPI_ERR_OTHER,
"**nomem","**nomem %s", "MPIR_Attribute" );
/* Did not find in list. Add at end */
new_p->keyval = keyval_ptr;
new_p->attrType = attrType;
new_p->pre_sentinal = 0;
new_p->value = (MPII_Attr_val_t)(intptr_t)attribute_val;
new_p->post_sentinal = 0;
new_p->next = 0;
MPII_Keyval_add_ref( keyval_ptr );
*old_p = new_p;
}
/* Here is where we could add a hook for the device to detect attribute
value changes, using something like
MPID_Type_attr_hook( type_ptr, keyval, attribute_val );
*/
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPIR_TYPE_SET_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_type_set_attr",
"**mpi_type_set_attr %D %d %p", datatype, type_keyval, attribute_val);
}
# endif
mpi_errno = MPIR_Err_return_comm( NULL, FCNAME, mpi_errno );
goto fn_exit;
/* --END ERROR HANDLING-- */
}
