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Name	Size	Permission
deprecated	[ DIR ]	drwxr-xr-x
galloca.h	3.82 KB	-rw-r--r--
garray.h	9.3 KB	-rw-r--r--
gasyncqueue.h	5.53 KB	-rw-r--r--
gatomic.h	14.75 KB	-rw-r--r--
gbacktrace.h	2.51 KB	-rw-r--r--
gbase64.h	2.27 KB	-rw-r--r--
gbitlock.h	2.83 KB	-rw-r--r--
gbookmarkfile.h	9.41 KB	-rw-r--r--
gbytes.h	3.26 KB	-rw-r--r--
gcharset.h	1.3 KB	-rw-r--r--
gchecksum.h	3.77 KB	-rw-r--r--
gconvert.h	5.79 KB	-rw-r--r--
gdataset.h	6.1 KB	-rw-r--r--
gdate.h	11.47 KB	-rw-r--r--
gdatetime.h	11.96 KB	-rw-r--r--
gdir.h	1.6 KB	-rw-r--r--
genviron.h	2.31 KB	-rw-r--r--
gerror.h	3.85 KB	-rw-r--r--
gfileutils.h	5.51 KB	-rw-r--r--
ggettext.h	2.37 KB	-rw-r--r--
ghash.h	7.37 KB	-rw-r--r--
ghmac.h	3.39 KB	-rw-r--r--
ghook.h	6.21 KB	-rw-r--r--
ghostutils.h	1.42 KB	-rw-r--r--
gi18n-lib.h	1.34 KB	-rw-r--r--
gi18n.h	1.14 KB	-rw-r--r--
giochannel.h	13.63 KB	-rw-r--r--
gkeyfile.h	14.62 KB	-rw-r--r--
glib-autocleanups.h	4.04 KB	-rw-r--r--
glist.h	5.69 KB	-rw-r--r--
gmacros.h	18.21 KB	-rw-r--r--
gmain.h	23.61 KB	-rw-r--r--
gmappedfile.h	1.97 KB	-rw-r--r--
gmarkup.h	10.62 KB	-rw-r--r--
gmem.h	13.01 KB	-rw-r--r--
gmessages.h	24.81 KB	-rw-r--r--
gnode.h	8.91 KB	-rw-r--r--
goption.h	15.65 KB	-rw-r--r--
gpattern.h	1.74 KB	-rw-r--r--
gpoll.h	4.03 KB	-rw-r--r--
gprimes.h	1.65 KB	-rw-r--r--
gprintf.h	1.94 KB	-rw-r--r--
gqsort.h	1.46 KB	-rw-r--r--
gquark.h	2.63 KB	-rw-r--r--
gqueue.h	6.97 KB	-rw-r--r--
grand.h	3.11 KB	-rw-r--r--
gregex.h	27.44 KB	-rw-r--r--
gscanner.h	8.47 KB	-rw-r--r--
gsequence.h	8.6 KB	-rw-r--r--
gshell.h	1.71 KB	-rw-r--r--
gslice.h	3.81 KB	-rw-r--r--
gslist.h	5.46 KB	-rw-r--r--
gspawn.h	10.77 KB	-rw-r--r--
gstdio.h	4.73 KB	-rw-r--r--
gstrfuncs.h	12.82 KB	-rw-r--r--
gstring.h	7.79 KB	-rw-r--r--
gstringchunk.h	2.08 KB	-rw-r--r--
gtestutils.h	23.64 KB	-rw-r--r--
gthread.h	11.34 KB	-rw-r--r--
gthreadpool.h	3.73 KB	-rw-r--r--
gtimer.h	2.31 KB	-rw-r--r--
gtimezone.h	3.41 KB	-rw-r--r--
gtrashstack.h	1.74 KB	-rw-r--r--
gtree.h	4.1 KB	-rw-r--r--
gtypes.h	18.98 KB	-rw-r--r--
gunicode.h	38.2 KB	-rw-r--r--
gurifuncs.h	2.65 KB	-rw-r--r--
gutils.h	11.04 KB	-rw-r--r--
guuid.h	1.26 KB	-rw-r--r--
gvariant.h	28.83 KB	-rw-r--r--
gvarianttype.h	12.81 KB	-rw-r--r--
gversion.h	1.93 KB	-rw-r--r--
gversionmacros.h	16.33 KB	-rw-r--r--
gwin32.h	4.56 KB	-rw-r--r--

Code Editor : gatomic.h

/*
 * Copyright © 2011 Ryan Lortie
 *
 * 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/>.
 *
 * Author: Ryan Lortie <desrt@desrt.ca>
 */

#ifndef __G_ATOMIC_H__
#define __G_ATOMIC_H__

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

#include <glib/gtypes.h>

G_BEGIN_DECLS

GLIB_AVAILABLE_IN_ALL
gint                    g_atomic_int_get                      (const volatile gint *atomic);
GLIB_AVAILABLE_IN_ALL
void                    g_atomic_int_set                      (volatile gint  *atomic,
                                                               gint            newval);
GLIB_AVAILABLE_IN_ALL
void                    g_atomic_int_inc                      (volatile gint  *atomic);
GLIB_AVAILABLE_IN_ALL
gboolean                g_atomic_int_dec_and_test             (volatile gint  *atomic);
GLIB_AVAILABLE_IN_ALL
gboolean                g_atomic_int_compare_and_exchange     (volatile gint  *atomic,
                                                               gint            oldval,
                                                               gint            newval);
GLIB_AVAILABLE_IN_ALL
gint                    g_atomic_int_add                      (volatile gint  *atomic,
                                                               gint            val);
GLIB_AVAILABLE_IN_2_30
guint                   g_atomic_int_and                      (volatile guint *atomic,
                                                               guint           val);
GLIB_AVAILABLE_IN_2_30
guint                   g_atomic_int_or                       (volatile guint *atomic,
                                                               guint           val);
GLIB_AVAILABLE_IN_ALL
guint                   g_atomic_int_xor                      (volatile guint *atomic,
                                                               guint           val);

GLIB_AVAILABLE_IN_ALL
gpointer                g_atomic_pointer_get                  (const volatile void *atomic);
GLIB_AVAILABLE_IN_ALL
void                    g_atomic_pointer_set                  (volatile void  *atomic,
                                                               gpointer        newval);
GLIB_AVAILABLE_IN_ALL
gboolean                g_atomic_pointer_compare_and_exchange (volatile void  *atomic,
                                                               gpointer        oldval,
                                                               gpointer        newval);
GLIB_AVAILABLE_IN_ALL
gssize                  g_atomic_pointer_add                  (volatile void  *atomic,
                                                               gssize          val);
GLIB_AVAILABLE_IN_2_30
gsize                   g_atomic_pointer_and                  (volatile void  *atomic,
                                                               gsize           val);
GLIB_AVAILABLE_IN_2_30
gsize                   g_atomic_pointer_or                   (volatile void  *atomic,
                                                               gsize           val);
GLIB_AVAILABLE_IN_ALL
gsize                   g_atomic_pointer_xor                  (volatile void  *atomic,
                                                               gsize           val);

GLIB_DEPRECATED_IN_2_30_FOR(g_atomic_int_add)
gint                    g_atomic_int_exchange_and_add         (volatile gint  *atomic,
                                                               gint            val);

G_END_DECLS

#if defined(G_ATOMIC_LOCK_FREE) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)

/* We prefer the new C11-style atomic extension of GCC if available */
#if defined(__ATOMIC_SEQ_CST) && !defined(__clang__)

/* This assumes sizeof(int) is 4: gatomic.c statically
 * asserts that (using G_STATIC_ASSERT at top-level in a header was
 * problematic, see #730932) */

#define g_atomic_int_get(atomic) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ *(atomic) : 1);                                  \
    (gint) __atomic_load_4 ((atomic), __ATOMIC_SEQ_CST);                     \
  }))
#define g_atomic_int_set(atomic, newval) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ (newval) : 1);                                   \
    __atomic_store_4 ((atomic), (newval), __ATOMIC_SEQ_CST);                 \
  }))

#if GLIB_SIZEOF_VOID_P == 8

#define g_atomic_pointer_get(atomic) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (gpointer) __atomic_load_8 ((atomic), __ATOMIC_SEQ_CST);                 \
  }))
#define g_atomic_pointer_set(atomic, newval) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (void) (0 ? (gpointer) *(atomic) : NULL);                                \
    __atomic_store_8 ((atomic), (gsize) (newval), __ATOMIC_SEQ_CST);         \
  }))

#else /* GLIB_SIZEOF_VOID_P == 8 */

/* This assumes that if sizeof(void *) is not 8, then it is 4:
 * gatomic.c statically asserts that (using G_STATIC_ASSERT
 * at top-level in a header was problematic, see #730932) */

#define g_atomic_pointer_get(atomic) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (gpointer) __atomic_load_4 ((atomic), __ATOMIC_SEQ_CST);                 \
  }))
#define g_atomic_pointer_set(atomic, newval) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (void) (0 ? (gpointer) *(atomic) : NULL);                                \
    __atomic_store_4 ((atomic), (gsize) (newval), __ATOMIC_SEQ_CST);         \
  }))

#endif /* GLIB_SIZEOF_VOID_P == 8 */

#else /* defined(__ATOMIC_SEQ_CST) */

#define g_atomic_int_get(atomic) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ *(atomic) : 1);                                  \
    __sync_synchronize ();                                                   \
    (gint) *(atomic);                                                        \
  }))
#define g_atomic_int_set(atomic, newval) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ (newval) : 1);                                   \
    *(atomic) = (newval);                                                    \
    __sync_synchronize ();                                                   \
  }))
#define g_atomic_pointer_get(atomic) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    __sync_synchronize ();                                                   \
    (gpointer) *(atomic);                                                    \
  }))
#define g_atomic_pointer_set(atomic, newval) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (void) (0 ? (gpointer) *(atomic) : NULL);                                \
    *(atomic) = (__typeof__ (*(atomic))) (gsize) (newval);                   \
    __sync_synchronize ();                                                   \
  }))

#endif /* !defined(__ATOMIC_SEQ_CST) */

#define g_atomic_int_inc(atomic) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ *(atomic) : 1);                                  \
    (void) __sync_fetch_and_add ((atomic), 1);                               \
  }))
#define g_atomic_int_dec_and_test(atomic) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ *(atomic) : 1);                                  \
    __sync_fetch_and_sub ((atomic), 1) == 1;                                 \
  }))
#define g_atomic_int_compare_and_exchange(atomic, oldval, newval) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ (newval) ^ (oldval) : 1);                        \
    (gboolean) __sync_bool_compare_and_swap ((atomic), (oldval), (newval));  \
  }))
#define g_atomic_int_add(atomic, val) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ (val) : 1);                                      \
    (gint) __sync_fetch_and_add ((atomic), (val));                           \
  }))
#define g_atomic_int_and(atomic, val) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ (val) : 1);                                      \
    (guint) __sync_fetch_and_and ((atomic), (val));                          \
  }))
#define g_atomic_int_or(atomic, val) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ (val) : 1);                                      \
    (guint) __sync_fetch_and_or ((atomic), (val));                           \
  }))
#define g_atomic_int_xor(atomic, val) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint));                     \
    (void) (0 ? *(atomic) ^ (val) : 1);                                      \
    (guint) __sync_fetch_and_xor ((atomic), (val));                          \
  }))

#define g_atomic_pointer_compare_and_exchange(atomic, oldval, newval) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (void) (0 ? (gpointer) *(atomic) : NULL);                                \
    (gboolean) __sync_bool_compare_and_swap ((atomic), (oldval), (newval));  \
  }))
#define g_atomic_pointer_add(atomic, val) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (void) (0 ? (gpointer) *(atomic) : NULL);                                \
    (void) (0 ? (val) ^ (val) : 1);                                          \
    (gssize) __sync_fetch_and_add ((atomic), (val));                         \
  }))
#define g_atomic_pointer_and(atomic, val) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (void) (0 ? (gpointer) *(atomic) : NULL);                                \
    (void) (0 ? (val) ^ (val) : 1);                                          \
    (gsize) __sync_fetch_and_and ((atomic), (val));                          \
  }))
#define g_atomic_pointer_or(atomic, val) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (void) (0 ? (gpointer) *(atomic) : NULL);                                \
    (void) (0 ? (val) ^ (val) : 1);                                          \
    (gsize) __sync_fetch_and_or ((atomic), (val));                           \
  }))
#define g_atomic_pointer_xor(atomic, val) \
  (G_GNUC_EXTENSION ({                                                       \
    G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));                 \
    (void) (0 ? (gpointer) *(atomic) : NULL);                                \
    (void) (0 ? (val) ^ (val) : 1);                                          \
    (gsize) __sync_fetch_and_xor ((atomic), (val));                          \
  }))

#else /* defined(G_ATOMIC_LOCK_FREE) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) */

#define g_atomic_int_get(atomic) \
  (g_atomic_int_get ((gint *) (atomic)))
#define g_atomic_int_set(atomic, newval) \
  (g_atomic_int_set ((gint *) (atomic), (gint) (newval)))
#define g_atomic_int_compare_and_exchange(atomic, oldval, newval) \
  (g_atomic_int_compare_and_exchange ((gint *) (atomic), (oldval), (newval)))
#define g_atomic_int_add(atomic, val) \
  (g_atomic_int_add ((gint *) (atomic), (val)))
#define g_atomic_int_and(atomic, val) \
  (g_atomic_int_and ((guint *) (atomic), (val)))
#define g_atomic_int_or(atomic, val) \
  (g_atomic_int_or ((guint *) (atomic), (val)))
#define g_atomic_int_xor(atomic, val) \
  (g_atomic_int_xor ((guint *) (atomic), (val)))
#define g_atomic_int_inc(atomic) \
  (g_atomic_int_inc ((gint *) (atomic)))
#define g_atomic_int_dec_and_test(atomic) \
  (g_atomic_int_dec_and_test ((gint *) (atomic)))

#define g_atomic_pointer_get(atomic) \
  (g_atomic_pointer_get (atomic))
#define g_atomic_pointer_set(atomic, newval) \
  (g_atomic_pointer_set ((atomic), (gpointer) (newval)))
#define g_atomic_pointer_compare_and_exchange(atomic, oldval, newval) \
  (g_atomic_pointer_compare_and_exchange ((atomic), (gpointer) (oldval), (gpointer) (newval)))
#define g_atomic_pointer_add(atomic, val) \
  (g_atomic_pointer_add ((atomic), (gssize) (val)))
#define g_atomic_pointer_and(atomic, val) \
  (g_atomic_pointer_and ((atomic), (gsize) (val)))
#define g_atomic_pointer_or(atomic, val) \
  (g_atomic_pointer_or ((atomic), (gsize) (val)))
#define g_atomic_pointer_xor(atomic, val) \
  (g_atomic_pointer_xor ((atomic), (gsize) (val)))

#endif /* defined(__GNUC__) && defined(G_ATOMIC_OP_USE_GCC_BUILTINS) */

#endif /* __G_ATOMIC_H__ */

${this.title}

Code Editor : gatomic.h