gstreamer/gst-libs/gst/glib-compat-private.h
2011-12-13 00:52:55 +00:00

135 lines
3.5 KiB
C

/*
* glib-compat.c
* Functions copied from glib 2.10
*
* Copyright 2005 David Schleef <ds@schleef.org>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GLIB_COMPAT_PRIVATE_H__
#define __GLIB_COMPAT_PRIVATE_H__
#include <glib.h>
G_BEGIN_DECLS
#if !GLIB_CHECK_VERSION(2,25,0)
#if defined (_MSC_VER) && !defined(_WIN64)
typedef struct _stat32 GStatBuf;
#else
typedef struct stat GStatBuf;
#endif
#endif
#if GLIB_CHECK_VERSION(2,26,0)
#define GLIB_HAS_GDATETIME
#endif
/* See bug #651514 */
#if GLIB_CHECK_VERSION(2,29,5)
#define G_ATOMIC_POINTER_COMPARE_AND_EXCHANGE(a,b,c) \
g_atomic_pointer_compare_and_exchange ((a),(b),(c))
#define G_ATOMIC_INT_COMPARE_AND_EXCHANGE(a,b,c) \
g_atomic_int_compare_and_exchange ((a),(b),(c))
#else
#define G_ATOMIC_POINTER_COMPARE_AND_EXCHANGE(a,b,c) \
g_atomic_pointer_compare_and_exchange ((volatile gpointer *)(a),(b),(c))
#define G_ATOMIC_INT_COMPARE_AND_EXCHANGE(a,b,c) \
g_atomic_int_compare_and_exchange ((volatile int *)(a),(b),(c))
#endif
/* See bug #651514 */
#if GLIB_CHECK_VERSION(2,29,5)
#define G_ATOMIC_INT_ADD(a,b) g_atomic_int_add ((a),(b))
#else
#define G_ATOMIC_INT_ADD(a,b) g_atomic_int_exchange_and_add ((a),(b))
#endif
/* copies */
#if GLIB_CHECK_VERSION (2, 31, 0)
#define g_mutex_new gst_g_mutex_new
static inline GMutex *
gst_g_mutex_new (void)
{
GMutex *mutex = g_slice_new (GMutex);
g_mutex_init (mutex);
return mutex;
}
#define g_mutex_free gst_g_mutex_free
static inline void
gst_g_mutex_free (GMutex *mutex)
{
g_mutex_clear (mutex);
g_slice_free (GMutex, mutex);
}
#define g_static_rec_mutex_init gst_g_static_rec_mutex_init
static inline void
gst_g_static_rec_mutex_init (GStaticRecMutex *mutex)
{
static const GStaticRecMutex init_mutex = G_STATIC_REC_MUTEX_INIT;
*mutex = init_mutex;
}
#define g_cond_new gst_g_cond_new
static inline GCond *
gst_g_cond_new (void)
{
GCond *cond = g_slice_new (GCond);
g_cond_init (cond);
return cond;
}
#define g_cond_free gst_g_cond_free
static inline void
gst_g_cond_free (GCond *cond)
{
g_cond_clear (cond);
g_slice_free (GCond, cond);
}
#define g_cond_timed_wait gst_g_cond_timed_wait
static inline gboolean
gst_g_cond_timed_wait (GCond *cond, GMutex *mutex, GTimeVal *abs_time)
{
gint64 end_time;
if (abs_time == NULL) {
g_cond_wait (cond, mutex);
return TRUE;
}
end_time = abs_time->tv_sec;
end_time *= 1000000;
end_time += abs_time->tv_usec;
/* would be nice if we had clock_rtoffset, but that didn't seem to
* make it into the kernel yet...
*/
/* if CLOCK_MONOTONIC is not defined then g_get_montonic_time() and
* g_get_real_time() are returning the same clock and we'd add ~0
*/
end_time += g_get_monotonic_time () - g_get_real_time ();
return g_cond_wait_until (cond, mutex, end_time);
}
#endif /* GLIB_CHECK_VERSION (2, 31, 0) */
/* adaptations */
G_END_DECLS
#endif