mysqld::runtime Namespace Reference

Functions
bool	is_daemon ()
	Prediacate to test if we're currently executing in the daemon process. More...
int	mysqld_daemonize ()
	Daemonize mysqld. More...
void	signal_parent (int pipe_write_fd, char status)
	Signal parent to exit. More...

Function Documentation

is_daemon()

bool mysqld::runtime::is_daemon

(

)

Prediacate to test if we're currently executing in the daemon process.

Return values

true	if this is the daemon
false	otherwise

mysqld_daemonize()

int mysqld::runtime::mysqld_daemonize

(

)

Daemonize mysqld.

This function does sysv style of daemonization of mysqld.

Return values

fd	In daemon; file descriptor for the write end of the status pipe.
-1	In parent, if successful.
-2	In parent, in case of errors.

signal_parent()

void mysqld::runtime::signal_parent	(	int	pipe_write_fd,
		char	status
	)

Signal parent to exit.

Parameters

pipe_write_fd	File Descriptor of write end of pipe.
status	status of the initialization done by grand child. 1 means initialization complete and the server is ready to accept client connections. 0 means initialization aborted due to some failure.

Note

This function writes the status to write end of pipe. This notifies the parent which is block on read end of pipe.