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