diff options
| -rw-r--r-- | gtk/glib-compat.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gtk/glib-compat.h b/gtk/glib-compat.h index bd8f3de..aa750b2 100644 --- a/gtk/glib-compat.h +++ b/gtk/glib-compat.h @@ -106,4 +106,24 @@ GType spice_main_context_get_type (void) G_GNUC_CONST; # define G_SIGNAL_DEPRECATED (1 << 9) #endif +#ifndef g_clear_pointer +#define g_clear_pointer(pp, destroy) \ + G_STMT_START { \ + G_STATIC_ASSERT (sizeof *(pp) == sizeof (gpointer)); \ + /* Only one access, please */ \ + gpointer *_pp = (gpointer *) (pp); \ + gpointer _p; \ + /* This assignment is needed to avoid a gcc warning */ \ + GDestroyNotify _destroy = (GDestroyNotify) (destroy); \ + \ + (void) (0 ? (gpointer) *(pp) : 0); \ + do \ + _p = g_atomic_pointer_get (_pp); \ + while G_UNLIKELY (!g_atomic_pointer_compare_and_exchange (_pp, _p, NULL)); \ + \ + if (_p) \ + _destroy (_p); \ + } G_STMT_END +#endif + #endif /* GLIB_COMPAT_H */ |