PetscViewerCreate_HDF5: check viewer is serial if HDF5 is serial (!4196) · Merge requests · PETSc / petsc

Vaclav Hapla requested to merge haplav/check-hdf5-parallel into release Jul 28, 2021

to prevent unclear errors like

HDF5-DIAG: Error detected in HDF5 (1.12.1) thread 0:
  ...
  #006: H5FDsec2.c line 1002 in H5FD__sec2_lock(): unable to lock file, errno = 35, error message = 'Resource temporarily unavailable'
    major: Virtual File Layer
    minor: Unable to lock file

Edited Jul 28, 2021 by Vaclav Hapla

PetscViewerCreate_HDF5: check viewer is serial if HDF5 is serial

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