:orphan: # 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. ## See Also [](ch_vectors), `Vec`, `VecRestoreArray()`, `VecGetArrayRead()`, `VecLockReadPush()`, `VecLockReadPop()` ## Level advanced ## Location src/vec/vec/interface/rvector.c --- [Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/vec/vec/interface/rvector.c) [Index of all Vec routines](index.md) [Table of Contents for all manual pages](/manualpages/index.md) [Index of all manual pages](/manualpages/singleindex.md)