mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-10-31 22:25:38 -04:00
3dada4731c
Meson puts the directory of the source file in the include path and then it picks up our signal.h instead of the system one...
70 lines
2.4 KiB
C
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/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__ */
|