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#

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

Level#

beginner

Location#

src/vec/vec/interface/rvector.c


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Index of all Vec routines
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Index of all manual pages