The non-callback API

Functions
jack_nframes_t	jack_thread_wait (jack_client_t *, int status) JACK_OPTIONAL_WEAK_DEPRECATED_EXPORT
jack_nframes_t	jack_cycle_wait (jack_client_t *client) JACK_OPTIONAL_WEAK_EXPORT
void	jack_cycle_signal (jack_client_t *client, int status) JACK_OPTIONAL_WEAK_EXPORT
int	jack_set_process_thread (jack_client_t *client, JackThreadCallback fun, void *arg) JACK_OPTIONAL_WEAK_EXPORT

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Detailed Description

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Function Documentation

void jack_cycle_signal	(	jack_client_t *	client,
		int	status
	)

Signal next clients in the graph.

Parameters:

client	- pointer to a JACK client structure
status	- if non-zero, calling thread should exit

jack_nframes_t jack_cycle_wait

(

jack_client_t *

client

)

Wait until this JACK client should process data.

Parameters:

client

- pointer to a JACK client structure

Returns:

the number of frames of data to process

int jack_set_process_thread	(	jack_client_t *	client,
		JackThreadCallback	fun,
		void *	arg
	)

Tell the Jack server to call thread_callback in the RT thread. Typical use are in conjunction with jack_cycle_wait and @ jack_cycle_signal functions. The code in the supplied function must be suitable for real-time execution. That means that it cannot call functions that might block for a long time. This includes all I/O functions (disk, TTY, network), malloc, free, printf, pthread_mutex_lock, sleep, wait, poll, select, pthread_join, pthread_cond_wait, etc, etc.

Returns:

0 on success, otherwise a non-zero error code.

jack_nframes_t jack_thread_wait	(	jack_client_t *	,
		int	status
	)

THIS FUNCTION IS DEPRECATED AND SHOULD NOT BE USED IN NEW JACK CLIENTS

It should be replace by use of @ jack_cycle_wait and @ jack_cycle_signal functions.