use x-macros to simplify weak-jack implementation

1 files changed, 104 insertions, 346 deletions

diff --git a/libs/backends/jack/weak_libjack.c b/libs/backends/jack/weak_libjack.c
index 51cc0e9851..e48f11b89d 100644
--- a/libs/backends/jack/weak_libjack.c
+++ b/libs/backends/jack/weak_libjack.c
@@ -37,13 +37,6 @@ int have_libjack (void) {
 #include <dlfcn.h>
 #endif
 
-#include <jack/jack.h>
-#include <jack/ringbuffer.h>
-#include <jack/transport.h>
-#include <jack/midiport.h>
-#include <jack/session.h>
-#include <jack/thread.h>
-
 static void* lib_open(const char* const so) {
 #ifdef PLATFORM_WINDOWS
 	return (void*) LoadLibraryA(so);
@@ -69,109 +62,24 @@ typedef void * __attribute__ ((__may_alias__)) pvoid_t;
 #define MAPSYM(SYM, FAIL) *(pvoid_t *)(&_j._ ## SYM) = lib_symbol(lib, "jack_" # SYM); \
 	if (!_j._ ## SYM) err |= FAIL;
 #endif
+
 typedef void (* func_t) (void);
 
 /* function pointers to the real jack API */
 static struct WeakJack {
-	func_t _client_open;
-	func_t _client_close;
-	func_t _get_client_name;
-
-	func_t _get_buffer_size;
-	func_t _get_sample_rate;
-	func_t _frames_since_cycle_start;
-	func_t _frame_time;
-	func_t _last_frame_time;
-	func_t _cpu_load;
-	func_t _is_realtime;
-
-	func_t _set_freewheel;
-	func_t _set_buffer_size;
-
-	func_t _on_shutdown;
-	func_t _on_info_shutdown;
-	func_t _set_process_callback;
-	func_t _set_freewheel_callback;
-	func_t _set_buffer_size_callback;
-	func_t _set_sample_rate_callback;
-	func_t _set_port_registration_callback;
-	func_t _set_port_connect_callback;
-	func_t _set_graph_order_callback;
-	func_t _set_xrun_callback;
-	func_t _set_latency_callback;
-	func_t _set_error_function;
-
-	func_t _activate;
-	func_t _deactivate;
-
-	func_t _recompute_total_latencies;
-	func_t _port_get_total_latency;
-	func_t _port_get_latency_range;
-	func_t _port_set_latency_range;
-	func_t _port_get_buffer;
-	func_t _port_request_monitor;
-	func_t _port_ensure_monitor;
-	func_t _port_monitoring_input;
-
-	func_t _port_name;
-	func_t _port_flags;
-	func_t _get_ports;
-	func_t _port_name_size;
-	func_t _port_type_size;
-	func_t _port_type_get_buffer_size;
-	func_t _port_by_name;
-	func_t _port_by_id;
-	func_t _port_register;
-	func_t _port_unregister;
-	func_t _port_type;
-	func_t _port_get_connections;
-	func_t _port_get_all_connections;
-	func_t _port_set_name;
-	func_t _port_disconnect;
-	func_t _connect;
-	func_t _disconnect;
-	func_t _free;
-	func_t _cycle_wait;
-	func_t _cycle_signal;
-	func_t _set_process_thread;
-	func_t _set_thread_init_callback;
-
-	func_t _get_current_transport_frame;
-	func_t _transport_locate;
-	func_t _transport_start;
-	func_t _transport_stop;
-	func_t _transport_query;
-	func_t _set_sync_callback;
-	func_t _set_timebase_callback;
-	func_t _release_timebase;
-
-	func_t _midi_get_event_count;
-	func_t _midi_event_get;
-	func_t _midi_event_write;
-	func_t _midi_clear_buffer;
-
-	func_t _set_session_callback;
-	func_t _session_reply;
-	func_t _session_event_free;
-
-	func_t _ringbuffer_create;
-	func_t _ringbuffer_free;
-	func_t _ringbuffer_reset;
-	func_t _ringbuffer_read_advance;
-	func_t _ringbuffer_write_advance;
-	func_t _ringbuffer_read_space;
-	func_t _ringbuffer_write_space;
-	func_t _ringbuffer_read;
-	func_t _ringbuffer_write;
-	func_t _ringbuffer_mlock;
-
-	func_t _client_real_time_priority;
-	func_t _client_max_real_time_priority;
-	func_t _acquire_real_time_scheduling;
-	func_t _drop_real_time_scheduling;
-	func_t _client_stop_thread;
-	func_t _client_kill_thread;
-	func_t _client_create_thread;
+	func_t _client_open; // special case due to varargs
+
+#define JCFUN(ERR, RTYPE, NAME, RVAL)              func_t _ ## NAME ;
+#define JPFUN(ERR, RTYPE, NAME, DEF, ARGS, RVAL)   func_t _ ## NAME ;
+#define JXFUN(ERR, RTYPE, NAME, DEF, ARGS, CODE)   func_t _ ## NAME ;
+#define JVFUN(ERR, NAME, DEF, ARGS, CODE)          func_t _ ## NAME ;
+
+#include "weak_libjack.def"
+
+#undef JCFUN
+#undef JPFUN
+#undef JXFUN
+#undef JVFUN
 } _j;
 
 static int _status = -1;
@@ -207,107 +115,38 @@ static void init_weak_jack(void)
 		return;
 	}
 
+	/* found library, now lookup functions */
 	MAPSYM(client_open, 2)
-	MAPSYM(client_close, 1)
-	MAPSYM(get_client_name, 1)
-	MAPSYM(get_sample_rate, 1)
-	MAPSYM(get_buffer_size, 1)
-	MAPSYM(frames_since_cycle_start, 1)
-	MAPSYM(frame_time, 1)
-	MAPSYM(last_frame_time, 1)
-	MAPSYM(cpu_load, 1)
-	MAPSYM(is_realtime, 1)
-	MAPSYM(set_freewheel, 1)
-	MAPSYM(set_buffer_size, 1)
-	MAPSYM(on_shutdown, 0)
-	MAPSYM(on_info_shutdown, 0)
-	MAPSYM(set_process_callback, 1)
-	MAPSYM(set_freewheel_callback, 1)
-	MAPSYM(set_buffer_size_callback, 1)
-	MAPSYM(set_sample_rate_callback, 1)
-	MAPSYM(set_port_registration_callback, 1)
-	MAPSYM(set_port_connect_callback, 1)
-	MAPSYM(set_graph_order_callback, 1)
-	MAPSYM(set_xrun_callback, 1)
-	MAPSYM(set_latency_callback, 1)
-	MAPSYM(set_error_function, 1)
-	MAPSYM(activate, 1)
-	MAPSYM(deactivate, 1)
-	MAPSYM(recompute_total_latencies, 0)
-	MAPSYM(port_get_total_latency, 0)
-	MAPSYM(port_get_latency_range, 0)
-	MAPSYM(port_set_latency_range, 0)
-	MAPSYM(port_get_buffer, 1)
-	MAPSYM(port_request_monitor, 1)
-	MAPSYM(port_ensure_monitor, 1)
-	MAPSYM(port_monitoring_input, 1)
-	MAPSYM(port_name, 1)
-	MAPSYM(port_flags, 1)
-	MAPSYM(get_ports, 1)
-	MAPSYM(port_name_size, 1)
-	MAPSYM(port_type_size, 1)
-	MAPSYM(port_type_get_buffer_size, 1)
-	MAPSYM(port_by_name, 1)
-	MAPSYM(port_by_id, 1)
-	MAPSYM(port_register, 1)
-	MAPSYM(port_unregister, 1)
-	MAPSYM(port_type, 1)
-	MAPSYM(port_get_connections, 1)
-	MAPSYM(port_get_all_connections, 1)
-	MAPSYM(port_set_name, 1)
-	MAPSYM(port_disconnect, 1)
-	MAPSYM(connect, 1)
-	MAPSYM(disconnect, 1)
-	MAPSYM(free, 0)
-	MAPSYM(cycle_wait, 0)
-	MAPSYM(cycle_signal, 0)
-	MAPSYM(set_process_thread, 0)
-	MAPSYM(set_thread_init_callback, 0)
-	MAPSYM(get_current_transport_frame, 1)
-	MAPSYM(transport_locate, 1)
-	MAPSYM(transport_start, 1)
-	MAPSYM(transport_stop, 1)
-	MAPSYM(transport_query, 1)
-	MAPSYM(set_sync_callback, 1)
-	MAPSYM(set_timebase_callback, 1)
-	MAPSYM(release_timebase, 1)
-	MAPSYM(midi_get_event_count, 1)
-	MAPSYM(midi_event_get, 1)
-	MAPSYM(midi_event_write, 1)
-	MAPSYM(midi_clear_buffer, 1)
-	MAPSYM(set_session_callback, 0)
-	MAPSYM(session_reply, 0)
-	MAPSYM(session_event_free, 0)
-	MAPSYM(ringbuffer_create, 1)
-	MAPSYM(ringbuffer_free, 1)
-	MAPSYM(ringbuffer_reset, 1)
-	MAPSYM(ringbuffer_read_advance, 1)
-	MAPSYM(ringbuffer_write_advance, 1)
-	MAPSYM(ringbuffer_read_space, 1)
-	MAPSYM(ringbuffer_write_space, 1)
-	MAPSYM(ringbuffer_read, 1)
-	MAPSYM(ringbuffer_write, 1)
-	MAPSYM(ringbuffer_mlock, 0)
-	MAPSYM(client_real_time_priority, 0)
-	MAPSYM(client_max_real_time_priority, 0)
-	MAPSYM(acquire_real_time_scheduling, 0)
-	MAPSYM(client_create_thread, 0)
-	MAPSYM(drop_real_time_scheduling, 0)
-	MAPSYM(client_stop_thread, 0)
-	MAPSYM(client_kill_thread, 0)
+
+#define JCFUN(ERR, RTYPE, NAME, RVAL)             MAPSYM(NAME, ERR)
+#define JPFUN(ERR, RTYPE, NAME, DEF, ARGS, RVAL)  MAPSYM(NAME, ERR)
+#define JXFUN(ERR, RTYPE, NAME, DEF, ARGS, CODE)  MAPSYM(NAME, ERR)
+#define JVFUN(ERR, NAME, DEF, ARGS, CODE)         MAPSYM(NAME, ERR)
+
+#include "weak_libjack.def"
+
+#undef JCFUN
+#undef JPFUN
+#undef JXFUN
+#undef JVFUN
 
 	/* if a required symbol is not found, disable JACK completly */
 	if (err) {
 		_j._client_open = NULL;
 	}
-
 	_status = err;
 }
 
 /*******************************************************************************
- * Macros to wrap jack API
+ * helper macros
  */
 
+#if defined(__GNUC__) && (__GNUC__ > 2) && !defined(NDEBUG)
+#define likely(expr) (__builtin_expect (!!(expr), 1))
+#else
+#define likely(expr) (expr)
+#endif
+
 #ifndef NDEBUG
 # define WJACK_WARNING(NAME) \
 	fprintf(stderr, "*** WEAK-JACK: function 'jack_%s' ignored\n", "" # NAME);
@@ -315,10 +154,51 @@ static void init_weak_jack(void)
 # define WJACK_WARNING(NAME) ;
 #endif
 
-/* abstraction for jack_client functions */
-#define JCFUN(RTYPE, NAME, RVAL) \
+/******************************************************************************
+ * JACK API wrapper functions.
+ *
+ * if a function pointer is set in the static struct WeakJack _j,
+ * the function is called directly.
+ * Otherwise a dummy NOOP implementation is provided.
+ * The latter is mainly for compile-time warnings.
+ *
+ * If libjack is not found, jack_client_open() will fail.
+ * In that case the application should not call any other libjack
+ * functions. Hence a real implementation is not needed.
+ * (jack ringbuffer may be an exception for some apps)
+ */
+
+/* expand ellipsis for jack-session */
+jack_client_t * WJACK_client_open2 (const char *client_name, jack_options_t options, jack_status_t *status, const char *uuid) {
+	if (_j._client_open) {
+		return ((jack_client_t* (*)(const char *, jack_options_t, jack_status_t *, ...))(_j._client_open))(client_name, options, status, uuid);
+	} else {
+		WJACK_WARNING(client_open);
+		if (status) *status = 0;
+		return NULL;
+	}
+}
+
+jack_client_t * WJACK_client_open1 (const char *client_name, jack_options_t options, jack_status_t *status) {
+	if (_j._client_open) {
+		return ((jack_client_t* (*)(const char *, jack_options_t, jack_status_t *, ...))_j._client_open)(client_name, options, status);
+	} else {
+		WJACK_WARNING(client_open);
+		if (status) *status = 0;
+		return NULL;
+	}
+}
+
+/*******************************************************************************
+ * Macros to wrap jack API
+ */
+
+/* abstraction for jack_client functions
+ *  rtype jack_function_name (jack_client_t *client) { return rval; }
+ */
+#define JCFUN(ERR, RTYPE, NAME, RVAL) \
 	RTYPE WJACK_ ## NAME (jack_client_t *client) { \
-		if (_j._ ## NAME) { \
+		if likely(_j._ ## NAME) { \
 			return ((RTYPE (*)(jack_client_t *client)) _j._ ## NAME)(client); \
 		} else { \
 			WJACK_WARNING(NAME) \
@@ -326,10 +206,12 @@ static void init_weak_jack(void)
 		} \
 	}
 
-/* abstraction for NOOP functions */
-#define JPFUN(RTYPE, NAME, DEF, ARGS, RVAL) \
+/* abstraction for NOOP functions with return value
+ *  rtype jack_function_name (ARGS) { return rval; }
+ */
+#define JPFUN(ERR, RTYPE, NAME, DEF, ARGS, RVAL) \
 	RTYPE WJACK_ ## NAME DEF { \
-		if (_j._ ## NAME) { \
+		if likely(_j._ ## NAME) { \
 			return ((RTYPE (*)DEF) _j._ ## NAME) ARGS; \
 		} else { \
 			WJACK_WARNING(NAME) \
@@ -337,10 +219,15 @@ static void init_weak_jack(void)
 		} \
 	}
 
-/* abstraction for functions with return-value-pointer args */
-#define JXFUN(RTYPE, NAME, DEF, ARGS, CODE) \
+/* abstraction for functions that need custom code.
+ * e.g. functions with return-value-pointer args,
+ * use CODE to initialize value
+ *
+ *  rtype jack_function_name (ARGS) { CODE }
+ */
+#define JXFUN(ERR, RTYPE, NAME, DEF, ARGS, CODE) \
 	RTYPE WJACK_ ## NAME DEF { \
-		if (_j._ ## NAME) { \
+		if likely(_j._ ## NAME) { \
 			return ((RTYPE (*)DEF) _j._ ## NAME) ARGS; \
 		} else { \
 			WJACK_WARNING(NAME) \
@@ -348,153 +235,24 @@ static void init_weak_jack(void)
 		} \
 	}
 
-/* abstraction for void functions with return-value-pointer args */
-#define JVFUN(RTYPE, NAME, DEF, ARGS, CODE) \
-	RTYPE WJACK_ ## NAME DEF { \
-		if (_j._ ## NAME) { \
-			((RTYPE (*)DEF) _j._ ## NAME) ARGS; \
+/* abstraction for void functions with return-value-pointer args
+ *  void jack_function_name (ARGS) { CODE }
+ */
+#define JVFUN(ERR, NAME, DEF, ARGS, CODE) \
+	void WJACK_ ## NAME DEF { \
+		if likely(_j._ ## NAME) { \
+			((void (*)DEF) _j._ ## NAME) ARGS; \
 		} else { \
 			WJACK_WARNING(NAME) \
 			CODE \
 		} \
 	}
 
-/******************************************************************************
- * wrapper functions.
- *
- * if a function pointer is set in the static struct WeakJack _j,
- * call the function, if not a dummy NOOP implementation is provided.
- *
- * The latter is mainly for the benefit for compile-time (warnings),
- * if libjack is not found, jack_client_open() will fail and none
- * of the application will never call any of the other functions.
- */
+#include "weak_libjack.def"
 
-/* <jack/jack.h> */
+#undef JCFUN
+#undef JPFUN
+#undef JXFUN
+#undef JVFUN
 
-/* expand ellipsis for jack-session */
-jack_client_t * WJACK_client_open2 (const char *client_name, jack_options_t options, jack_status_t *status, const char *uuid) {
-	if (_j._client_open) {
-		return ((jack_client_t* (*)(const char *, jack_options_t, jack_status_t *, ...))(_j._client_open))(client_name, options, status, uuid);
-	} else {
-		WJACK_WARNING(client_open);
-		if (status) *status = 0;
-		return NULL;
-	}
-}
-
-jack_client_t * WJACK_client_open1 (const char *client_name, jack_options_t options, jack_status_t *status) {
-	if (_j._client_open) {
-		return ((jack_client_t* (*)(const char *, jack_options_t, jack_status_t *, ...))_j._client_open)(client_name, options, status);
-	} else {
-		WJACK_WARNING(client_open);
-		if (status) *status = 0;
-		return NULL;
-	}
-}
-
-JCFUN(int,   client_close, 0)
-JCFUN(char*, get_client_name, NULL)
-JVFUN(void,  on_shutdown, (jack_client_t *c, JackShutdownCallback s, void *a), (c,s,a),)
-JVFUN(void,  on_info_shutdown, (jack_client_t *c, JackInfoShutdownCallback s, void *a), (c,s,a),)
-
-JPFUN(int,   set_process_callback, (jack_client_t *c, JackProcessCallback p, void *a), (c,p,a), -1)
-JPFUN(int,   set_freewheel_callback, (jack_client_t *c, JackFreewheelCallback p, void *a), (c,p,a), -1)
-JPFUN(int,   set_buffer_size_callback, (jack_client_t *c, JackBufferSizeCallback p, void *a), (c,p,a), -1)
-JPFUN(int,   set_sample_rate_callback, (jack_client_t *c, JackSampleRateCallback p, void *a), (c,p,a), -1)
-JPFUN(int,   set_port_registration_callback, (jack_client_t *c, JackPortRegistrationCallback p, void *a), (c,p,a), -1)
-JPFUN(int,   set_port_connect_callback, (jack_client_t *c, JackPortConnectCallback p, void *a), (c,p,a), -1)
-JPFUN(int,   set_graph_order_callback, (jack_client_t *c, JackGraphOrderCallback g, void *a), (c,g,a), -1)
-JPFUN(int,   set_xrun_callback, (jack_client_t *c, JackXRunCallback g, void *a), (c,g,a), -1)
-JPFUN(int,   set_latency_callback, (jack_client_t *c, JackLatencyCallback g, void *a), (c,g,a), -1)
-JVFUN(void,  set_error_function, (void (*f)(const char *)), (f),)
-
-JCFUN(int,   activate, -1)
-JCFUN(int,   deactivate, -1)
-
-JCFUN(jack_nframes_t, get_sample_rate, 0)
-JCFUN(jack_nframes_t, get_buffer_size, 0)
-JPFUN(jack_nframes_t, frames_since_cycle_start, (const jack_client_t *c), (c), 0)
-JPFUN(jack_nframes_t, frame_time, (const jack_client_t *c), (c), 0)
-JPFUN(jack_nframes_t, last_frame_time, (const jack_client_t *c), (c), 0)
-JCFUN(float,          cpu_load, 0)
-JCFUN(int,            is_realtime, 0)
-
-JPFUN(int, set_freewheel, (jack_client_t *c, int o), (c,o), 0)
-JPFUN(int, set_buffer_size, (jack_client_t *c, jack_nframes_t b), (c,b), 0)
-
-JCFUN(int,            recompute_total_latencies, 0)
-JPFUN(jack_nframes_t, port_get_total_latency, (jack_client_t *c, jack_port_t *p), (c,p), 0)
-JVFUN(void,           port_get_latency_range, (jack_port_t *p, jack_latency_callback_mode_t m, jack_latency_range_t *r), (p,m,r), if (r) {r->min = r->max = 0;})
-JVFUN(void,           port_set_latency_range, (jack_port_t *p, jack_latency_callback_mode_t m, jack_latency_range_t *r), (p,m,r),)
-JPFUN(void*,          port_get_buffer, (jack_port_t *p, jack_nframes_t n), (p,n), NULL)
-JPFUN(int,            port_request_monitor, (jack_port_t *p, int o), (p,o), 0)
-JPFUN(int,            port_ensure_monitor, (jack_port_t *p, int o), (p,o), 0)
-JPFUN(int,            port_monitoring_input, (jack_port_t *p), (p), 0)
-
-JPFUN(const char*,    port_name, (const jack_port_t *p), (p), NULL)
-JPFUN(int,            port_flags, (const jack_port_t *p), (p), 0)
-JPFUN(const char**,   get_ports,(jack_client_t *c, const char *p, const char *t, unsigned long f), (c,p,t,f), NULL)
-JPFUN(int,            port_name_size, (void), (), 0)
-JPFUN(int,            port_type_size, (void), (), 0)
-JPFUN(size_t,         port_type_get_buffer_size, (jack_client_t *c, const char *t), (c,t), 0)
-JPFUN(jack_port_t*,   port_by_name, (jack_client_t *c, const char *n), (c,n), NULL)
-JPFUN(jack_port_t*,   port_by_id, (jack_client_t *c, jack_port_id_t i), (c,i), NULL)
-JPFUN(jack_port_t*,   port_register, (jack_client_t *c, const char *n, const char *t, unsigned long f, unsigned long b), (c,n,t,f,b), NULL)
-JPFUN(int,            port_unregister, (jack_client_t *c, jack_port_t *p), (c,p), 0)
-JPFUN(const char *,   port_type, (const jack_port_t *p), (p), 0)
-JPFUN(const char **,  port_get_connections, (const jack_port_t *p), (p), 0)
-JPFUN(const char **,  port_get_all_connections, (const jack_client_t *c, const jack_port_t *p), (c,p), 0)
-JPFUN(int,            port_set_name, (jack_port_t *p, const char *n), (p,n), 0)
-JPFUN(int,            port_disconnect, (jack_client_t *c, jack_port_t *p), (c,p), 0)
-JPFUN(int,            connect, (jack_client_t *c, const char *s, const char *d), (c,s,d), -1)
-JPFUN(int,            disconnect, (jack_client_t *c, const char *s, const char *d), (c,s,d), -1)
-JVFUN(void,           free, (void *p), (p), free(p);)
-JCFUN(jack_nframes_t, cycle_wait, 0)
-JVFUN(void,           cycle_signal, (jack_client_t *c, int s), (c,s),)
-JPFUN(int,            set_process_thread, (jack_client_t *c, JackThreadCallback p, void *a), (c,p,a), -1)
-JPFUN(int,            set_thread_init_callback, (jack_client_t *c, JackThreadInitCallback p, void *a), (c,p,a), -1)
-
-JPFUN(int,  transport_locate, (jack_client_t *c, jack_nframes_t f), (c,f), 0)
-JVFUN(void, transport_start, (jack_client_t *c), (c),)
-JVFUN(void, transport_stop, (jack_client_t *c), (c),)
-JPFUN(jack_nframes_t, get_current_transport_frame, (const jack_client_t *c), (c), 0)
-JXFUN(jack_transport_state_t, transport_query, (const jack_client_t *c, jack_position_t *p), (c,p), memset(p, 0, sizeof(jack_position_t)); return 0;)
-JPFUN(int,  set_sync_callback, (jack_client_t *c, JackSyncCallback p, void *a), (c,p,a), -1)
-JPFUN(int,  set_timebase_callback, (jack_client_t *c, int l, JackTimebaseCallback p, void *a), (c,l,p,a), -1)
-JCFUN(int,  release_timebase, 0)
-
-/* <jack/midiport.h> */
-JPFUN(uint32_t, midi_get_event_count, (void* p), (p), 0)
-JPFUN(int,      midi_event_get, (jack_midi_event_t *e, void *p, uint32_t i), (e,p,i), -1)
-JPFUN(int,      midi_event_write, (void *b, jack_nframes_t t, const jack_midi_data_t *d, size_t s), (b,t,d,s), -1)
-JVFUN(void,     midi_clear_buffer, (void *b), (b),)
-
-/* <jack/session.h> */
-JPFUN(int, set_session_callback, (jack_client_t *c, JackSessionCallback s, void *a), (c,s,a), -1)
-JPFUN(int, session_reply, (jack_client_t *c, jack_session_event_t *e), (c,e), -1)
-JVFUN(void, session_event_free, (jack_session_event_t *e), (e), )
-
-/* <jack/ringbuffer.h> */
-JPFUN(jack_ringbuffer_t *, ringbuffer_create, (size_t s), (s), NULL)
-JVFUN(void, ringbuffer_free, (jack_ringbuffer_t *rb), (rb), )
-JVFUN(void, ringbuffer_reset, (jack_ringbuffer_t *rb), (rb), )
-JVFUN(void, ringbuffer_read_advance, (jack_ringbuffer_t *rb, size_t c), (rb,c), )
-JVFUN(void, ringbuffer_write_advance, (jack_ringbuffer_t *rb, size_t c), (rb,c), )
-JPFUN(size_t, ringbuffer_read_space, (const jack_ringbuffer_t *rb), (rb), 0)
-JPFUN(size_t, ringbuffer_write_space, (const jack_ringbuffer_t *rb), (rb), 0)
-JPFUN(size_t, ringbuffer_read, (jack_ringbuffer_t *rb, char *d, size_t c), (rb,d,c), 0)
-JPFUN(size_t, ringbuffer_write, (jack_ringbuffer_t *rb, const char *s, size_t c), (rb,s,c), 0)
-JPFUN(int, ringbuffer_mlock, (jack_ringbuffer_t *rb), (rb), 0)
-
-/* <jack/thread.h> */
-JCFUN(int, client_real_time_priority, 0)
-JCFUN(int, client_max_real_time_priority, 0)
-JPFUN(int, acquire_real_time_scheduling, (jack_native_thread_t t, int p), (t,p), 0)
-JPFUN(int, drop_real_time_scheduling, (jack_native_thread_t t), (t), 0)
-JPFUN(int, client_stop_thread, (jack_client_t* c, jack_native_thread_t t), (c,t), 0)
-JPFUN(int, client_kill_thread, (jack_client_t* c, jack_native_thread_t t), (c,t), 0)
-JPFUN(int, client_create_thread, \
-		(jack_client_t* c, jack_native_thread_t *t, int p, int r, void *(*f)(void*), void *a), (c,t,p,r,f,a), 0)
-
-#endif
+#endif // end USE_WEAK_JACK