/* 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-- */ }