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grefcount.h

/* 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: * * |[<!-- language="C" --> * 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: * * |[<!-- language="C" --> * 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__ */

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docroot: /var/www/469ed2f6-4d4b-4a8a-9f5e-ee4ef04d3bc8/public_html

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curdir: /usr/include/glib-2.0/glib

	.		4096
	..		4096
	deprecated		4096
X	galloca.h		5435
X	garray.h		13835
X	gasyncqueue.h		5775
X	gatomic.h		35198
X	gbacktrace.h		2842
X	gbase64.h		2372
X	gbitlock.h		4382
X	gbookmarkfile.h		14843
X	gbytes.h		3710
X	gcharset.h		1627
X	gchecksum.h		3709
X	gconvert.h		5972
X	gdataset.h		6522
X	gdate.h		12159
X	gdatetime.h		14446
X	gdir.h		1871
X	genviron.h		2413
X	gerror.h		11385
X	gfileutils.h		7903
X	ggettext.h		2473
X	ghash.h		8613
X	ghmac.h		3341
X	ghook.h		6407
X	ghostutils.h		1505
X	gi18n-lib.h		1419
X	gi18n.h		1216
X	giochannel.h		14059
X	gkeyfile.h		14962
X	glib-autocleanups.h		5125
X	glib-typeof.h		1706
X	glib-visibility.h		45012
X	glist.h		6979
X	gmacros.h		52195
X	gmain.h		30434
X	gmappedfile.h		2035
X	gmarkup.h		11051
X	gmem.h		15943
X	gmessages.h		28006
X	gnode.h		8749
X	goption.h		16635
X	gpathbuf.h		2467
X	gpattern.h		2359
X	gpoll.h		4174
X	gprimes.h		1743
X	gprintf.h		2033
X	gqsort.h		1548
X	gquark.h		2737
X	gqueue.h		7799
X	grand.h		3230
X	grcbox.h		3856
X	grefcount.h		5196
X	grefstring.h		1917
X	gregex.h		28664
X	gscanner.h		8910
X	gsequence.h		8860
X	gshell.h		1801
X	gslice.h		4664
X	gslist.h		6600
X	gspawn.h		14250
X	gstdio.h		6301
X	gstrfuncs.h		19603
X	gstring.h		11540
X	gstringchunk.h		2179
X	gstrvbuilder.h		1923
X	gtestutils.h		40563
X	gthread.h		26423
X	gthreadpool.h		4357
X	gtimer.h		2625
X	gtimezone.h		3954
X	gtrashstack.h		1955
X	gtree.h		6588
X	gtypes.h		20553
X	gunicode.h		43212
X	guri.h		16495
X	gutils.h		14245
X	guuid.h		1291
X	gvariant.h		30690
X	gvarianttype.h		13040
X	gversion.h		2030
X	gversionmacros.h		13468