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Name	Size	Permission	Date
deprecated	[ DIR ]	drwxr-xr-x	2026-05-27 07:02
galloca.h	5.31 KB	-rw-r--r--	2024-07-08 14:03
garray.h	13.51 KB	-rw-r--r--	2024-07-08 14:03
gasyncqueue.h	5.64 KB	-rw-r--r--	2024-07-08 14:03
gatomic.h	34.37 KB	-rw-r--r--	2024-07-08 14:03
gbacktrace.h	2.78 KB	-rw-r--r--	2024-07-08 14:03
gbase64.h	2.32 KB	-rw-r--r--	2024-07-08 14:03
gbitlock.h	4.28 KB	-rw-r--r--	2024-07-08 14:03
gbookmarkfile.h	14.5 KB	-rw-r--r--	2024-07-08 14:03
gbytes.h	3.62 KB	-rw-r--r--	2024-07-08 14:03
gcharset.h	1.59 KB	-rw-r--r--	2024-07-08 14:03
gchecksum.h	3.62 KB	-rw-r--r--	2024-07-08 14:03
gconvert.h	5.83 KB	-rw-r--r--	2024-07-08 14:03
gdataset.h	6.37 KB	-rw-r--r--	2024-07-08 14:03
gdate.h	11.87 KB	-rw-r--r--	2024-07-08 14:03
gdatetime.h	14.11 KB	-rw-r--r--	2024-07-08 14:03
gdir.h	1.83 KB	-rw-r--r--	2024-07-08 14:03
genviron.h	2.36 KB	-rw-r--r--	2024-07-08 14:03
gerror.h	11.12 KB	-rw-r--r--	2024-07-08 14:03
gfileutils.h	7.72 KB	-rw-r--r--	2024-07-08 14:03
ggettext.h	2.42 KB	-rw-r--r--	2024-07-08 14:03
ghash.h	8.41 KB	-rw-r--r--	2024-07-08 14:03
ghmac.h	3.26 KB	-rw-r--r--	2024-07-08 14:03
ghook.h	6.26 KB	-rw-r--r--	2024-07-08 14:03
ghostutils.h	1.47 KB	-rw-r--r--	2024-07-08 14:03
gi18n-lib.h	1.39 KB	-rw-r--r--	2024-07-08 14:03
gi18n.h	1.19 KB	-rw-r--r--	2024-07-08 14:03
giochannel.h	13.73 KB	-rw-r--r--	2024-07-08 14:03
gkeyfile.h	14.61 KB	-rw-r--r--	2024-07-08 14:03
glib-autocleanups.h	5 KB	-rw-r--r--	2024-07-08 14:03
glib-typeof.h	1.67 KB	-rw-r--r--	2024-07-08 14:03
glib-visibility.h	43.96 KB	-rw-r--r--	2026-04-23 00:00
glist.h	6.82 KB	-rw-r--r--	2024-07-08 14:03
gmacros.h	50.97 KB	-rw-r--r--	2024-07-08 14:03
gmain.h	29.72 KB	-rw-r--r--	2024-07-08 14:03
gmappedfile.h	1.99 KB	-rw-r--r--	2024-07-08 14:03
gmarkup.h	10.79 KB	-rw-r--r--	2024-07-08 14:03
gmem.h	15.57 KB	-rw-r--r--	2024-07-08 14:03
gmessages.h	27.35 KB	-rw-r--r--	2024-07-08 14:03
gnode.h	8.54 KB	-rw-r--r--	2024-07-08 14:03
goption.h	16.25 KB	-rw-r--r--	2024-07-08 14:03
gpathbuf.h	2.41 KB	-rw-r--r--	2024-07-08 14:03
gpattern.h	2.3 KB	-rw-r--r--	2024-07-08 14:03
gpoll.h	4.08 KB	-rw-r--r--	2024-07-08 14:03
gprimes.h	1.7 KB	-rw-r--r--	2024-07-08 14:03
gprintf.h	1.99 KB	-rw-r--r--	2024-07-08 14:03
gqsort.h	1.51 KB	-rw-r--r--	2024-07-08 14:03
gquark.h	2.67 KB	-rw-r--r--	2024-07-08 14:03
gqueue.h	7.62 KB	-rw-r--r--	2024-07-08 14:03
grand.h	3.15 KB	-rw-r--r--	2024-07-08 14:03
grcbox.h	3.77 KB	-rw-r--r--	2024-07-08 14:03
grefcount.h	5.07 KB	-rw-r--r--	2024-07-08 14:03
grefstring.h	1.87 KB	-rw-r--r--	2024-07-08 14:03
gregex.h	27.99 KB	-rw-r--r--	2024-07-08 14:03
gscanner.h	8.7 KB	-rw-r--r--	2024-07-08 14:03
gsequence.h	8.65 KB	-rw-r--r--	2024-07-08 14:03
gshell.h	1.76 KB	-rw-r--r--	2024-07-08 14:03
gslice.h	4.55 KB	-rw-r--r--	2024-07-08 14:03
gslist.h	6.45 KB	-rw-r--r--	2024-07-08 14:03
gspawn.h	13.92 KB	-rw-r--r--	2024-07-08 14:03
gstdio.h	6.15 KB	-rw-r--r--	2024-07-08 14:03
gstrfuncs.h	19.14 KB	-rw-r--r--	2024-07-08 14:03
gstring.h	11.27 KB	-rw-r--r--	2024-07-08 14:03
gstringchunk.h	2.13 KB	-rw-r--r--	2024-07-08 14:03
gstrvbuilder.h	1.88 KB	-rw-r--r--	2024-07-08 14:03
gtestutils.h	39.61 KB	-rw-r--r--	2024-07-08 14:03
gthread.h	25.8 KB	-rw-r--r--	2024-07-08 14:03
gthreadpool.h	4.25 KB	-rw-r--r--	2024-07-08 14:03
gtimer.h	2.56 KB	-rw-r--r--	2024-07-08 14:03
gtimezone.h	3.86 KB	-rw-r--r--	2024-07-08 14:03
gtrashstack.h	1.91 KB	-rw-r--r--	2024-07-08 14:03
gtree.h	6.43 KB	-rw-r--r--	2024-07-08 14:03
gtypes.h	20.07 KB	-rw-r--r--	2024-07-08 14:03
gunicode.h	42.2 KB	-rw-r--r--	2024-07-08 14:03
guri.h	16.11 KB	-rw-r--r--	2024-07-08 14:03
gutils.h	13.91 KB	-rw-r--r--	2024-07-08 14:03
guuid.h	1.26 KB	-rw-r--r--	2024-07-08 14:03
gvariant.h	29.97 KB	-rw-r--r--	2024-07-08 14:03
gvarianttype.h	12.73 KB	-rw-r--r--	2024-07-08 14:03
gversion.h	1.98 KB	-rw-r--r--	2024-07-08 14:03
gversionmacros.h	13.15 KB	-rw-r--r--	2026-04-23 00:00

Rename

/* grefcount.h: Reference counting
 *
 * Copyright 2018  Emmanuele Bassi
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef __GREFCOUNT_H__
#define __GREFCOUNT_H__

#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif

#include <glib/gatomic.h>
#include <glib/gtypes.h>

G_BEGIN_DECLS

GLIB_AVAILABLE_IN_2_58
void            g_ref_count_init                (grefcount       *rc);
GLIB_AVAILABLE_IN_2_58
void            g_ref_count_inc                 (grefcount       *rc);
GLIB_AVAILABLE_IN_2_58
gboolean        g_ref_count_dec                 (grefcount       *rc);
GLIB_AVAILABLE_IN_2_58
gboolean        g_ref_count_compare             (grefcount       *rc,
                                                 gint             val);

GLIB_AVAILABLE_IN_2_58
void            g_atomic_ref_count_init         (gatomicrefcount *arc);
GLIB_AVAILABLE_IN_2_58
void            g_atomic_ref_count_inc          (gatomicrefcount *arc);
GLIB_AVAILABLE_IN_2_58
gboolean        g_atomic_ref_count_dec          (gatomicrefcount *arc);
GLIB_AVAILABLE_IN_2_58
gboolean        g_atomic_ref_count_compare      (gatomicrefcount *arc,
                                                 gint             val);

/**
 * G_REF_COUNT_INIT:
 *
 * Evaluates to the initial reference count for `grefcount`.
 *
 * This macro is useful for initializing `grefcount` fields inside
 * structures, for instance:
 *
 * |[
 * typedef struct {
 *   grefcount ref_count;
 *   char *name;
 *   char *address;
 * } Person;
 *
 * static const Person default_person = {
 *   .ref_count = G_REF_COUNT_INIT,
 *   .name = "Default name",
 *   .address = "Default address",
 * };
 * ]|
 *
 * Since: 2.78
 */
#define G_REF_COUNT_INIT          -1 \
  GLIB_AVAILABLE_MACRO_IN_2_78

/**
 * G_ATOMIC_REF_COUNT_INIT:
 *
 * Evaluates to the initial reference count for `gatomicrefcount`.
 *
 * This macro is useful for initializing `gatomicrefcount` fields inside
 * structures, for instance:
 *
 * |[
 * typedef struct {
 *   gatomicrefcount ref_count;
 *   char *name;
 *   char *address;
 * } Person;
 *
 * static const Person default_person = {
 *   .ref_count = G_ATOMIC_REF_COUNT_INIT,
 *   .name = "Default name",
 *   .address = "Default address",
 * };
 * ]|
 *
 * Since: 2.78
 */
#define G_ATOMIC_REF_COUNT_INIT   1 \
  GLIB_AVAILABLE_MACRO_IN_2_78

/* On GCC we can use __extension__ to inline the API without using
 * ancillary functions; we only do this when disabling checks, as
 * it disables warnings when saturating the reference counters
 */
#if defined(__GNUC__) && defined(G_DISABLE_CHECKS)

# define g_ref_count_init(rc) \
  (G_GNUC_EXTENSION ({ \
    G_STATIC_ASSERT (sizeof *(rc) == sizeof (grefcount)); \
    (void) (0 ? *(rc) ^ *(rc) : 1); \
    *(rc) = -1; \
  }))

# define g_ref_count_inc(rc) \
  (G_GNUC_EXTENSION ({ \
    G_STATIC_ASSERT (sizeof *(rc) == sizeof (grefcount)); \
    (void) (0 ? *(rc) ^ *(rc) : 1); \
    if (*(rc) == G_MININT) ; else { \
      *(rc) -= 1; \
    } \
  }))

# define g_ref_count_dec(rc) \
  (G_GNUC_EXTENSION ({ \
    G_STATIC_ASSERT (sizeof *(rc) == sizeof (grefcount)); \
    grefcount __rc = *(rc); \
    __rc += 1; \
    if (__rc == 0) ; else { \
      *(rc) = __rc; \
    } \
    (gboolean) (__rc == 0); \
  }))

# define g_ref_count_compare(rc,val) \
  (G_GNUC_EXTENSION ({ \
    G_STATIC_ASSERT (sizeof *(rc) == sizeof (grefcount)); \
    (void) (0 ? *(rc) ^ (val) : 1); \
    (gboolean) (*(rc) == -(val)); \
  }))

# define g_atomic_ref_count_init(rc) \
  (G_GNUC_EXTENSION ({ \
    G_STATIC_ASSERT (sizeof *(rc) == sizeof (gatomicrefcount)); \
    (void) (0 ? *(rc) ^ *(rc) : 1); \
    *(rc) = 1; \
  }))

# define g_atomic_ref_count_inc(rc) \
  (G_GNUC_EXTENSION ({ \
    G_STATIC_ASSERT (sizeof *(rc) == sizeof (gatomicrefcount)); \
    (void) (0 ? *(rc) ^ *(rc) : 1); \
    (void) (g_atomic_int_get (rc) == G_MAXINT ? 0 : g_atomic_int_inc ((rc))); \
  }))

# define g_atomic_ref_count_dec(rc) \
  (G_GNUC_EXTENSION ({ \
    G_STATIC_ASSERT (sizeof *(rc) == sizeof (gatomicrefcount)); \
    (void) (0 ? *(rc) ^ *(rc) : 1); \
    g_atomic_int_dec_and_test ((rc)); \
  }))

# define g_atomic_ref_count_compare(rc,val) \
  (G_GNUC_EXTENSION ({ \
    G_STATIC_ASSERT (sizeof *(rc) == sizeof (gatomicrefcount)); \
    (void) (0 ? *(rc) ^ (val) : 1); \
    (gboolean) (g_atomic_int_get (rc) == (val)); \
  }))

#endif /* __GNUC__ && G_DISABLE_CHECKS */

G_END_DECLS

#endif /* __GREFCOUNT_H__ */