Merge remote-tracking branch 'origin/released'

* origin/released:
  pixman xkbcomp libX11 libXau mesa fontconfig xserver xkeyboard-config git update 7 jan 2013

Conflicts:
	fontconfig/src/fcatomic.c
	pixman/pixman/pixman-mmx.c
	pixman/pixman/pixman-sse2.c
	xorg-server/dix/dispatch.c
	xorg-server/hw/xwin/wincursor.c
	xorg-server/hw/xwin/winmsg.c
	xorg-server/hw/xwin/winscrinit.c
	xorg-server/hw/xwin/winsetsp.c
	xorg-server/hw/xwin/winwin32rootless.c
	xorg-server/xfixes/cursor.c

1 files changed, 121 insertions, 0 deletions

diff --git a/fontconfig/src/fcatomic.h b/fontconfig/src/fcatomic.h
new file mode 100644
index 000000000..72ae37280
--- /dev/null
+++ b/fontconfig/src/fcatomic.h
@@ -0,0 +1,121 @@
+/*
+ * Mutex operations.  Originally copied from HarfBuzz.
+ *
+ * Copyright © 2007  Chris Wilson
+ * Copyright © 2009,2010  Red Hat, Inc.
+ * Copyright © 2011,2012,2013  Google, Inc.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Contributor(s):
+ *	Chris Wilson <chris@chris-wilson.co.uk>
+ * Red Hat Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef _FCATOMIC_H_
+#define _FCATOMIC_H_
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+
+/* atomic_int */
+
+/* We need external help for these */
+
+#if 0
+
+
+#elif !defined(FC_NO_MT) && defined(_MSC_VER) || defined(__MINGW32__)
+
+#include "fcwindows.h"
+
+/* mingw32 does not have MemoryBarrier.
+ * MemoryBarrier may be defined as a macro or a function.
+ * Just make a failsafe version for ourselves. */
+#ifdef MemoryBarrier
+#define HBMemoryBarrier MemoryBarrier
+#else
+static inline void HBMemoryBarrier (void) {
+  long dummy = 0;
+  InterlockedExchange (&dummy, 1);
+}
+#endif
+
+typedef LONG fc_atomic_int_t;
+#define fc_atomic_int_add(AI, V)	InterlockedExchangeAdd (&(AI), (V))
+
+#define fc_atomic_ptr_get(P)		(HBMemoryBarrier (), (void *) *(P))
+#define fc_atomic_ptr_cmpexch(P,O,N)	(InterlockedCompareExchangePointer ((void **) (P), (void *) (N), (void *) (O)) == (void *) (O))
+
+
+#elif !defined(FC_NO_MT) && defined(__APPLE__)
+
+#include <libkern/OSAtomic.h>
+
+typedef int fc_atomic_int_t;
+#define fc_atomic_int_add(AI, V)	(OSAtomicAdd32Barrier ((V), &(AI)) - (V))
+
+#define fc_atomic_ptr_get(P)		(OSMemoryBarrier (), (void *) *(P))
+#define fc_atomic_ptr_cmpexch(P,O,N)	OSAtomicCompareAndSwapPtrBarrier ((void *) (O), (void *) (N), (void **) (P))
+
+
+#elif !defined(FC_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES)
+
+typedef int fc_atomic_int_t;
+#define fc_atomic_int_add(AI, V)	__sync_fetch_and_add (&(AI), (V))
+
+#define fc_atomic_ptr_get(P)		(void *) (__sync_synchronize (), *(P))
+#define fc_atomic_ptr_cmpexch(P,O,N)	__sync_bool_compare_and_swap ((P), (O), (N))
+
+
+#elif !defined(FC_NO_MT)
+
+#define FC_ATOMIC_INT_NIL 1 /* Warn that fallback implementation is in use. */
+typedef volatile int fc_atomic_int_t;
+#define fc_atomic_int_add(AI, V)	(((AI) += (V)) - (V))
+
+#define fc_atomic_ptr_get(P)		((void *) *(P))
+#define fc_atomic_ptr_cmpexch(P,O,N)	(* (void * volatile *) (P) == (void *) (O) ? (* (void * volatile *) (P) = (void *) (N), FcTrue) : FcFalse)
+
+
+#else /* FC_NO_MT */
+
+typedef int fc_atomic_int_t;
+#define fc_atomic_int_add(AI, V)	(((AI) += (V)) - (V))
+
+#define fc_atomic_ptr_get(P)		((void *) *(P))
+#define fc_atomic_ptr_cmpexch(P,O,N)	(* (void **) (P) == (void *) (O) ? (* (void **) (P) = (void *) (N), FcTrue) : FcFalse)
+
+#endif
+
+/* reference count */
+#define FC_REF_CONSTANT_VALUE ((fc_atomic_int_t) -1)
+#define FC_REF_CONSTANT {FC_REF_CONSTANT_VALUE}
+typedef struct _FcRef { fc_atomic_int_t count; } FcRef;
+static inline void   FcRefInit     (FcRef *r, int v) { r->count = v; }
+static inline int    FcRefInc      (FcRef *r) { return fc_atomic_int_add (r->count, +1); }
+static inline int    FcRefDec      (FcRef *r) { return fc_atomic_int_add (r->count, -1); }
+static inline int    FcRefAdd      (FcRef *r, int v) { return fc_atomic_int_add (r->count, v); }
+static inline void   FcRefSetConst (FcRef *r) { r->count = FC_REF_CONSTANT_VALUE; }
+static inline FcBool FcRefIsConst  (const FcRef *r) { return r->count == FC_REF_CONSTANT_VALUE; }
+
+#endif /* _FCATOMIC_H_ */