mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 03:19:40 +00:00
48f4f0564e
Always prefer non deprecated APIs by default and provide compatibility glue for older glib versions when necessary.
136 lines
4.9 KiB
C
136 lines
4.9 KiB
C
/*
|
|
* glibcompat.h - System-dependent definitions
|
|
*
|
|
* Copyright (C) 2012 Intel Corporation
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2.1
|
|
* 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef GLIB_COMPAT_H
|
|
#define GLIB_COMPAT_H
|
|
|
|
#include <glib.h>
|
|
#include <glib-object.h>
|
|
|
|
#define G_COMPAT_DEFINE(new_api, new_args, old_api, old_args) \
|
|
static inline void \
|
|
new_api new_args \
|
|
{ \
|
|
old_api old_args; \
|
|
}
|
|
|
|
#if !GLIB_CHECK_VERSION(2,27,2)
|
|
static inline void
|
|
g_list_free_full(GList *list, GDestroyNotify free_func)
|
|
{
|
|
g_list_foreach(list, (GFunc)free_func, NULL);
|
|
g_list_free(list);
|
|
}
|
|
#endif
|
|
|
|
#if !GLIB_CHECK_VERSION(2,28,0)
|
|
static inline void
|
|
g_clear_object_inline(volatile GObject **object_ptr)
|
|
{
|
|
gpointer * const ptr = (gpointer)object_ptr;
|
|
gpointer old;
|
|
|
|
do {
|
|
old = g_atomic_pointer_get(ptr);
|
|
} while G_UNLIKELY(!g_atomic_pointer_compare_and_exchange(ptr, old, NULL));
|
|
|
|
if (old)
|
|
g_object_unref(old);
|
|
}
|
|
#undef g_clear_object
|
|
#define g_clear_object(obj) g_clear_object_inline((volatile GObject **)(obj))
|
|
#endif
|
|
|
|
#if !GLIB_CHECK_VERSION(2,31,2)
|
|
typedef GStaticMutex GCompatMutex;
|
|
G_COMPAT_DEFINE(g_compat_mutex_init, (GCompatMutex *mutex),
|
|
g_static_mutex_init, (mutex))
|
|
G_COMPAT_DEFINE(g_compat_mutex_clear, (GCompatMutex *mutex),
|
|
g_static_mutex_free, (mutex))
|
|
G_COMPAT_DEFINE(g_compat_mutex_lock, (GCompatMutex *mutex),
|
|
g_static_mutex_lock, (mutex))
|
|
G_COMPAT_DEFINE(g_compat_mutex_unlock, (GCompatMutex *mutex),
|
|
g_static_mutex_unlock, (mutex))
|
|
|
|
typedef GStaticRecMutex GCompatRecMutex;
|
|
G_COMPAT_DEFINE(g_compat_rec_mutex_init, (GCompatRecMutex *mutex),
|
|
g_static_rec_mutex_init, (mutex))
|
|
G_COMPAT_DEFINE(g_compat_rec_mutex_clear, (GCompatRecMutex *mutex),
|
|
g_static_rec_mutex_free, (mutex))
|
|
G_COMPAT_DEFINE(g_compat_rec_mutex_lock, (GCompatRecMutex *mutex),
|
|
g_static_rec_mutex_lock, (mutex))
|
|
G_COMPAT_DEFINE(g_compat_rec_mutex_unlock, (GCompatRecMutex *mutex),
|
|
g_static_rec_mutex_unlock, (mutex))
|
|
|
|
typedef GCond *GCompatCond;
|
|
G_COMPAT_DEFINE(g_compat_cond_init, (GCompatCond *cond),
|
|
*cond = g_cond_new, ())
|
|
G_COMPAT_DEFINE(g_compat_cond_clear, (GCompatCond *cond),
|
|
if (*cond) g_cond_free, (*cond))
|
|
G_COMPAT_DEFINE(g_compat_cond_signal, (GCompatCond *cond),
|
|
g_cond_signal, (*cond))
|
|
G_COMPAT_DEFINE(g_compat_cond_broadcast, (GCompatCond *cond),
|
|
g_cond_broadcast, (*cond))
|
|
|
|
static inline gboolean
|
|
g_cond_wait_until(GCompatCond *cond, GStaticMutex *mutex, gint64 end_time)
|
|
{
|
|
gint64 diff_time;
|
|
GTimeVal timeout;
|
|
|
|
diff_time = end_time - g_get_monotonic_time();
|
|
g_get_current_time(&timeout);
|
|
g_time_val_add(&timeout, diff_time > 0 ? diff_time : 0);
|
|
return g_cond_timed_wait(*cond, g_static_mutex_get_mutex(mutex), &timeout);
|
|
}
|
|
|
|
#define GMutex GCompatMutex
|
|
#undef g_mutex_init
|
|
#define g_mutex_init(mutex) g_compat_mutex_init(mutex)
|
|
#undef g_mutex_clear
|
|
#define g_mutex_clear(mutex) g_compat_mutex_clear(mutex)
|
|
#undef g_mutex_lock
|
|
#define g_mutex_lock(mutex) g_compat_mutex_lock(mutex)
|
|
#undef g_mutex_unlock
|
|
#define g_mutex_unlock(mutex) g_compat_mutex_unlock(mutex)
|
|
|
|
#define GRecMutex GCompatRecMutex
|
|
#undef g_rec_mutex_init
|
|
#define g_rec_mutex_init(mutex) g_compat_rec_mutex_init(mutex)
|
|
#undef g_rec_mutex_clear
|
|
#define g_rec_mutex_clear(mutex) g_compat_rec_mutex_clear(mutex)
|
|
#undef g_rec_mutex_lock
|
|
#define g_rec_mutex_lock(mutex) g_compat_rec_mutex_lock(mutex)
|
|
#undef g_rec_mutex_unlock
|
|
#define g_rec_mutex_unlock(mutex) g_compat_rec_mutex_unlock(mutex)
|
|
|
|
#define GCond GCompatCond
|
|
#undef g_cond_init
|
|
#define g_cond_init(cond) g_compat_cond_init(cond)
|
|
#undef g_cond_clear
|
|
#define g_cond_clear(cond) g_compat_cond_clear(cond)
|
|
#undef g_cond_signal
|
|
#define g_cond_signal(cond) g_compat_cond_signal(cond)
|
|
#endif
|
|
|
|
#undef G_COMPAT_DEFINE
|
|
|
|
#endif /* GLIB_COMPAT_H */
|