VecLockGetLocation#
Return the source code location where a Vec was most recently read-locked
Synopsis#
#include "petscvec.h"
PetscErrorCode VecLockGetLocation(Vec x, const char *file[], const char *func[], int *line)
Not Collective
Input Parameter#
x - the vector
Output Parameters#
file - the source file name of the most recent
VecLockReadPush(), orNULLif none is activefunc - the function name of the most recent
VecLockReadPush(), orNULLif none is activeline - the source line number of the most recent
VecLockReadPush(), or 0 if none is active
Notes#
Only produces meaningful output when PETSc is built with PETSC_USE_DEBUG; otherwise NULL and 0 are returned.
Intended to help debug read-lock violations reported by VecGetArray() and similar routines.
If the location was not recorded, the returned strings explain whether the stack exceeded PETSCSTACKSIZE
or function markers may be missing or mismatched, and line is 0.
See Also#
Vec, VecLockGet(), VecLockReadPush(), VecLockReadPop(), VecGetArray()
Level#
developer
Location#
Examples#
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages