pipewire/pinos/client/sig.h
Wim Taymans 361d2b6a87 pinos: Use correct spa/ include paths
Don't include spa/include/spa/... but just spa/..., as otherwise it is
not possible to include these (installed) header files externally.
2017-05-11 11:49:13 +02:00

70 lines
2.4 KiB
C

/* Pinos
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __PINOS_SIGNAL_H__
#define __PINOS_SIGNAL_H__
#include <spa/list.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _PinosSignal PinosSignal;
typedef struct _PinosListener PinosListener;
struct _PinosListener {
SpaList link;
void (*notify) (void *);
};
#define PINOS_SIGNAL(name,func) \
union { \
SpaList listeners; \
void (*notify) func; \
} name;
#define pinos_signal_init(signal) \
spa_list_init (&(signal)->listeners);
#define pinos_signal_add(signal,listener,func) \
do { \
__typeof__((signal)->notify) n = (func); \
(listener)->notify = (void (*) (void *)) n; \
spa_list_insert ((signal)->listeners.prev, &(listener)->link); \
} while (false);
static inline void
pinos_signal_remove (PinosListener *listener)
{
spa_list_remove (&listener->link);
}
#define pinos_signal_emit(signal,...) \
do { \
PinosListener *l, *next; \
spa_list_for_each_safe (l, next, &(signal)->listeners, link) \
((__typeof__((signal)->notify))l->notify) (l,__VA_ARGS__); \
} while (false);
#ifdef __cplusplus
}
#endif
#endif /* __PINOS_SIGNAL_H__ */