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Diffstat (limited to '')
| -rw-r--r-- | include/ck_spinlock.h | 61 |
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 */ |