pixman xkbcomp libX11 libXau mesa fontconfig xserver xkeyboard-config git update 7 jan 2013

fontconfig: 17eda89ed2e24a3fc5f68538dd7fd9ada8efb087
xserver: bd91b05b631f13afd1f7a9d6cbc4f0c5408b523a
xkeyboard-config: 4779e2745094ebe0c06364b4099d7067ae750d07
libX11: cd25cab4b5b957641183ce72dd1ae0424aff1663
libXau: e04364efccbb3bb4cfc5f4cb491ffa1faaaacbdb
mesa: afec10df373f342f058aab66c622237964a4a147
pixman: 35cc965514ca6e665c18411fcf66db826d559c2a
xkbcomp: e4f767913338052527538d429931e8abd8c3fb88

1 files changed, 127 insertions, 0 deletions

diff --git a/fontconfig/src/fcmutex.h b/fontconfig/src/fcmutex.h
new file mode 100644
index 000000000..556a05efc
--- /dev/null
+++ b/fontconfig/src/fcmutex.h
@@ -0,0 +1,127 @@
+/*
+ * Atomic int and pointer 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 _FCMUTEX_H_
+#define _FCMUTEX_H_
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define FC_STMT_START do
+#define FC_STMT_END while (0)
+
+/* mutex */
+
+/* We need external help for these */
+
+#if 0
+
+
+#elif !defined(FC_NO_MT) && defined(_MSC_VER) || defined(__MINGW32__)
+
+#include "fcwindows.h"
+typedef CRITICAL_SECTION fc_mutex_impl_t;
+#define FC_MUTEX_IMPL_INIT	{ NULL, 0, 0, NULL, NULL, 0 }
+#define fc_mutex_impl_init(M)	InitializeCriticalSection (M)
+#define fc_mutex_impl_lock(M)	EnterCriticalSection (M)
+#define fc_mutex_impl_unlock(M)	LeaveCriticalSection (M)
+#define fc_mutex_impl_finish(M)	DeleteCriticalSection (M)
+
+
+#elif !defined(FC_NO_MT) && (defined(HAVE_PTHREAD) || defined(__APPLE__))
+
+#include <pthread.h>
+typedef pthread_mutex_t fc_mutex_impl_t;
+#define FC_MUTEX_IMPL_INIT	PTHREAD_MUTEX_INITIALIZER
+#define fc_mutex_impl_init(M)	pthread_mutex_init (M, NULL)
+#define fc_mutex_impl_lock(M)	pthread_mutex_lock (M)
+#define fc_mutex_impl_unlock(M)	pthread_mutex_unlock (M)
+#define fc_mutex_impl_finish(M)	pthread_mutex_destroy (M)
+
+
+#elif !defined(FC_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES)
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_YIELD)
+# include <sched.h>
+# define FC_SCHED_YIELD() sched_yield ()
+#else
+# define FC_SCHED_YIELD() FC_STMT_START {} FC_STMT_END
+#endif
+
+/* This actually is not a totally awful implementation. */
+typedef volatile int fc_mutex_impl_t;
+#define FC_MUTEX_IMPL_INIT	0
+#define fc_mutex_impl_init(M)	*(M) = 0
+#define fc_mutex_impl_lock(M)	FC_STMT_START { while (__sync_lock_test_and_set((M), 1)) FC_SCHED_YIELD (); } FC_STMT_END
+#define fc_mutex_impl_unlock(M)	__sync_lock_release (M)
+#define fc_mutex_impl_finish(M)	FC_STMT_START {} FC_STMT_END
+
+
+#elif !defined(FC_NO_MT)
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_YIELD)
+# include <sched.h>
+# define FC_SCHED_YIELD() sched_yield ()
+#else
+# define FC_SCHED_YIELD() FC_STMT_START {} FC_STMT_END
+#endif
+
+#define FC_MUTEX_INT_NIL 1 /* Warn that fallback implementation is in use. */
+typedef volatile int fc_mutex_impl_t;
+#define FC_MUTEX_IMPL_INIT	0
+#define fc_mutex_impl_init(M)	*(M) = 0
+#define fc_mutex_impl_lock(M)	FC_STMT_START { while (*(M)) FC_SCHED_YIELD (); (*(M))++; } FC_STMT_END
+#define fc_mutex_impl_unlock(M)	(*(M))--;
+#define fc_mutex_impl_finish(M)	FC_STMT_START {} FC_STMT_END
+
+
+#else /* FC_NO_MT */
+
+typedef int fc_mutex_impl_t;
+#define FC_MUTEX_IMPL_INIT	0
+#define fc_mutex_impl_init(M)	FC_STMT_START {} FC_STMT_END
+#define fc_mutex_impl_lock(M)	FC_STMT_START {} FC_STMT_END
+#define fc_mutex_impl_unlock(M)	FC_STMT_START {} FC_STMT_END
+#define fc_mutex_impl_finish(M)	FC_STMT_START {} FC_STMT_END
+
+#endif
+
+
+#define FC_MUTEX_INIT		{FC_MUTEX_IMPL_INIT}
+typedef fc_mutex_impl_t FcMutex;
+static inline void FcMutexInit   (FcMutex *m) { fc_mutex_impl_init (m);   }
+static inline void FcMutexLock   (FcMutex *m) { fc_mutex_impl_lock (m);   }
+static inline void FcMutexUnlock (FcMutex *m) { fc_mutex_impl_unlock (m); }
+static inline void FcMutexFinish (FcMutex *m) { fc_mutex_impl_finish (m); }
+
+
+#endif /* _FCMUTEX_H_ */