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prism_set_log_handler

prism_sys

Function prism_set_log_handler 

Source 
pub unsafe extern "C" fn prism_set_log_handler(
    handler: PrismLogHandler,
) -> PrismLogHandler
Expand description

Installs the handler that receives log messages, replacing any previously installed handler.

§Safety

handler.fn_, if set, must be safe to call with handler.userdata from prism’s logging thread, and that userdata must outlive the handler.