Adding upstream version 0.6.0.upstream/0.6.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/include/ck_spinlock.h b/include/ck_spinlock.h
new file mode 100644
index 0000000..e9585f2
--- /dev/null
+++ b/include/ck_spinlock.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2010-2015 Samy Al Bahra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef CK_SPINLOCK_H
+#define CK_SPINLOCK_H
+
+#include "spinlock/anderson.h"
+#include "spinlock/cas.h"
+#include "spinlock/clh.h"
+#include "spinlock/dec.h"
+#include "spinlock/fas.h"
+#include "spinlock/hclh.h"
+#include "spinlock/mcs.h"
+#include "spinlock/ticket.h"
+
+/*
+ * On tested x86, x86_64, PPC64 and SPARC64 targets,
+ * ck_spinlock_fas proved to have lowest latency
+ * in fast path testing or negligible degradation
+ * from faster but less robust implementations.
+ */
+#define CK_SPINLOCK_INITIALIZER CK_SPINLOCK_FAS_INITIALIZER
+#define ck_spinlock_t		ck_spinlock_fas_t
+#define ck_spinlock_init(x)	ck_spinlock_fas_init(x)
+#define ck_spinlock_lock(x)	ck_spinlock_fas_lock(x)
+#define ck_spinlock_lock_eb(x)	ck_spinlock_fas_lock_eb(x)
+#define ck_spinlock_unlock(x)	ck_spinlock_fas_unlock(x)
+#define ck_spinlock_locked(x)	ck_spinlock_fas_locked(x)
+#define ck_spinlock_trylock(x)	ck_spinlock_fas_trylock(x)
+
+CK_ELIDE_PROTOTYPE(ck_spinlock, ck_spinlock_t,
+    ck_spinlock_locked, ck_spinlock_lock,
+    ck_spinlock_locked, ck_spinlock_unlock)
+
+CK_ELIDE_TRYLOCK_PROTOTYPE(ck_spinlock, ck_spinlock_t,
+    ck_spinlock_locked, ck_spinlock_trylock)
+
+#endif /* CK_SPINLOCK_H */