# VecLockGet#

Gets the current lock status of a vector

## Synopsis#

#include "petscvec.h"
PetscErrorCode VecLockGet(Vec x, PetscInt *state)


Logically Collective

## Input Parameter#

• x - the vector

## Output Parameter#

• state - greater than zero indicates the vector is locked for read; less then zero indicates the vector is locked for write; equal to zero means the vector is unlocked, that is, it is free to read or write.

Vectors and Parallel Data, Vec, VecRestoreArray(), VecGetArrayRead(), VecLockReadPush(), VecLockReadPop()