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authorjb <jb@FreeBSD.org>2008-03-28 00:08:47 +0000
committerjb <jb@FreeBSD.org>2008-03-28 00:08:47 +0000
commit291b24b7551a7f0ab80c6cc152155e317f53be0a (patch)
tree9edd0223cc16fd15bec321b8d36de00f35487d3b /sys/compat/opensolaris/kern/opensolaris_atomic.c
parent5794ada908cc2e195ebcb0217b7164e3bd207e1b (diff)
downloadFreeBSD-src-291b24b7551a7f0ab80c6cc152155e317f53be0a.zip
FreeBSD-src-291b24b7551a7f0ab80c6cc152155e317f53be0a.tar.gz
Remove files that have been repo copied to their new location
in cddl-specific parts of the source tree.
Diffstat (limited to 'sys/compat/opensolaris/kern/opensolaris_atomic.c')
-rw-r--r--sys/compat/opensolaris/kern/opensolaris_atomic.c133
1 files changed, 0 insertions, 133 deletions
diff --git a/sys/compat/opensolaris/kern/opensolaris_atomic.c b/sys/compat/opensolaris/kern/opensolaris_atomic.c
deleted file mode 100644
index fb6ef2e..0000000
--- a/sys/compat/opensolaris/kern/opensolaris_atomic.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*-
- * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
- * 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 AUTHORS 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 AUTHORS 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/lock.h>
-#include <sys/mutex.h>
-#include <sys/atomic.h>
-
-#ifdef _KERNEL
-#include <sys/kernel.h>
-
-struct mtx atomic_mtx;
-MTX_SYSINIT(atomic, &atomic_mtx, "atomic", MTX_DEF);
-#else
-#include <pthread.h>
-
-#define mtx_lock(lock) pthread_mutex_lock(lock)
-#define mtx_unlock(lock) pthread_mutex_unlock(lock)
-
-static pthread_mutex_t atomic_mtx;
-
-static __attribute__((constructor)) void
-atomic_init(void)
-{
- pthread_mutex_init(&atomic_mtx, NULL);
-}
-#endif
-
-#ifndef __LP64__
-void
-atomic_add_64(volatile uint64_t *target, int64_t delta)
-{
-
- mtx_lock(&atomic_mtx);
- *target += delta;
- mtx_unlock(&atomic_mtx);
-}
-#endif
-
-uint64_t
-atomic_add_64_nv(volatile uint64_t *target, int64_t delta)
-{
- uint64_t newval;
-
- mtx_lock(&atomic_mtx);
- newval = (*target += delta);
- mtx_unlock(&atomic_mtx);
- return (newval);
-}
-
-#if defined(__sparc64__) || defined(__powerpc__) || defined(__arm__)
-void
-atomic_or_8(volatile uint8_t *target, uint8_t value)
-{
- mtx_lock(&atomic_mtx);
- *target |= value;
- mtx_unlock(&atomic_mtx);
-}
-#endif
-
-uint8_t
-atomic_or_8_nv(volatile uint8_t *target, uint8_t value)
-{
- uint8_t newval;
-
- mtx_lock(&atomic_mtx);
- newval = (*target |= value);
- mtx_unlock(&atomic_mtx);
- return (newval);
-}
-
-#ifndef __LP64__
-void *
-atomic_cas_ptr(volatile void *target, void *cmp, void *newval)
-{
- void *oldval, **trg;
-
- mtx_lock(&atomic_mtx);
- trg = __DEVOLATILE(void **, target);
- oldval = *trg;
- if (oldval == cmp)
- *trg = newval;
- mtx_unlock(&atomic_mtx);
- return (oldval);
-}
-#endif
-
-#ifndef __sparc64__
-uint64_t
-atomic_cas_64(volatile uint64_t *target, uint64_t cmp, uint64_t newval)
-{
- uint64_t oldval;
-
- mtx_lock(&atomic_mtx);
- oldval = *target;
- if (oldval == cmp)
- *target = newval;
- mtx_unlock(&atomic_mtx);
- return (oldval);
-}
-#endif
-
-void
-membar_producer(void)
-{
- /* nothing */
-}
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