/* Routine to duplicate an attribute list */ int MPIR_Attr_dup_list( int handle, MPID_Attribute *old_attrs, MPID_Attribute **new_attr ) { MPID_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 */ MPIR_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(MPIU_Pint)) */ new_p->value = (MPID_AttrVal_t)(MPIU_Pint)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_WinSetAttr( MPI_Win win, int win_keyval, void *attribute_val, MPIR_AttrType attrType ) { static const char FCNAME[] = "MPI_Win_set_attr"; int mpi_errno = MPI_SUCCESS; MPID_Win *win_ptr = NULL; MPID_Keyval *keyval_ptr = NULL; MPID_Attribute *p, **old_p; MPID_MPI_STATE_DECL(MPID_STATE_MPIR_WIN_SET_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 */ MPIU_THREAD_CS_ENTER(ALLFUNC,); MPID_MPI_FUNC_ENTER(MPID_STATE_MPIR_WIN_SET_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, MPID_WIN, "window", mpi_errno); MPIR_ERRTEST_KEYVAL_PERM(win_keyval, mpi_errno); } MPID_END_ERROR_CHECKS; } # endif /* Convert MPI object handles to object pointers */ MPID_Win_get_ptr( win, win_ptr ); MPID_Keyval_get_ptr( win_keyval, keyval_ptr ); /* Validate parameters and objects (post conversion) */ # ifdef HAVE_ERROR_CHECKING { MPID_BEGIN_ERROR_CHECKS; { /* Validate win_ptr */ MPID_Win_valid_ptr( win_ptr, mpi_errno ); /* If win_ptr is not valid, it will be reset to null */ /* Validate keyval */ MPID_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 = &win_ptr->attributes; p = win_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( win, p ); /* --BEGIN ERROR HANDLING-- */ if (mpi_errno) { /* FIXME : communicator of window? */ goto fn_fail; } /* --END ERROR HANDLING-- */ p->value = (MPID_AttrVal_t)(MPIR_Pint)attribute_val; p->attrType = attrType; /* Does not change the reference count on the keyval */ break; } else if (p->keyval->handle > keyval_ptr->handle) { MPID_Attribute *new_p = MPID_Attr_alloc(); MPIU_ERR_CHKANDJUMP1(!new_p,mpi_errno,MPI_ERR_OTHER, "**nomem", "**nomem %s", "MPID_Attribute" ); new_p->keyval = keyval_ptr; new_p->attrType = attrType; new_p->pre_sentinal = 0; new_p->value = (MPID_AttrVal_t)(MPIR_Pint)attribute_val; new_p->post_sentinal = 0; new_p->next = p->next; MPIR_Keyval_add_ref( keyval_ptr ); p->next = new_p; break; } old_p = &p->next; p = p->next; } if (!p) { MPID_Attribute *new_p = MPID_Attr_alloc(); MPIU_ERR_CHKANDJUMP1(!new_p,mpi_errno,MPI_ERR_OTHER, "**nomem", "**nomem %s", "MPID_Attribute" ); /* Did not find in list. Add at end */ new_p->attrType = attrType; new_p->keyval = keyval_ptr; new_p->pre_sentinal = 0; new_p->value = (MPID_AttrVal_t)(MPIR_Pint)attribute_val; new_p->post_sentinal = 0; new_p->next = 0; MPIR_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_Dev_win_attr_hook( win_ptr, keyval, attribute_val ); */ /* ... end of body of routine ... */ fn_exit: MPID_MPI_FUNC_EXIT(MPID_STATE_MPIR_WIN_SET_ATTR); MPIU_THREAD_CS_EXIT(ALLFUNC,); 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_set_attr", "**mpi_win_set_attr %W %d %p", win, win_keyval, attribute_val); } # endif mpi_errno = MPIR_Err_return_win( win_ptr, FCNAME, mpi_errno ); goto fn_exit; /* --END ERROR HANDLING-- */ }