H5Fstart_swmr_write

fnherr_t H5Fstart_swmr_write(hid_t file_id)

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

This function must be called after creating all groups, datasets, and attributes, but before writing data in SWMR mode.

Parameters

file_idFile identifier

Returns

Non-negative on success, negative on failure.