Sun Java System Web Server 7.0 Update 3 NSAPI Developer's Guide

Example

/* Register the log_close function, passing it NULL */ 
/* to close a log file when the server is */
/* restarted or shutdown. */
daemon_atrestart(log_close, NULL);
NSAPI_PUBLIC void log_close(void *parameter)
                   {system_fclose(global_logfd);}