File.startSwmrWrite

void startSwmrWrite()

Enables SWMR (Single Writer Multiple Reader) write mode for the file.

This function should be called after creating all datasets and attributes, but before writing data in SWMR mode. Once enabled, SWMR mode cannot be disabled.

Requirements:

  • File must be opened with H5F_ACC.RDWR
  • File must use the latest file format (set via file access property list)
  • All datasets must already be created

    Throws

    HDF5Exception if enabling SWMR mode fails