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Diffstat (limited to '3rdparty/libuv/src/unix/spinlock.h')
-rw-r--r--3rdparty/libuv/src/unix/spinlock.h53
1 files changed, 0 insertions, 53 deletions
diff --git a/3rdparty/libuv/src/unix/spinlock.h b/3rdparty/libuv/src/unix/spinlock.h
deleted file mode 100644
index a20c83cc601..00000000000
--- a/3rdparty/libuv/src/unix/spinlock.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/* Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifndef UV_SPINLOCK_H_
-#define UV_SPINLOCK_H_
-
-#include "internal.h" /* ACCESS_ONCE, UV_UNUSED */
-#include "atomic-ops.h"
-
-#define UV_SPINLOCK_INITIALIZER { 0 }
-
-typedef struct {
- int lock;
-} uv_spinlock_t;
-
-UV_UNUSED(static void uv_spinlock_init(uv_spinlock_t* spinlock));
-UV_UNUSED(static void uv_spinlock_lock(uv_spinlock_t* spinlock));
-UV_UNUSED(static void uv_spinlock_unlock(uv_spinlock_t* spinlock));
-UV_UNUSED(static int uv_spinlock_trylock(uv_spinlock_t* spinlock));
-
-UV_UNUSED(static void uv_spinlock_init(uv_spinlock_t* spinlock)) {
- ACCESS_ONCE(int, spinlock->lock) = 0;
-}
-
-UV_UNUSED(static void uv_spinlock_lock(uv_spinlock_t* spinlock)) {
- while (!uv_spinlock_trylock(spinlock)) cpu_relax();
-}
-
-UV_UNUSED(static void uv_spinlock_unlock(uv_spinlock_t* spinlock)) {
- ACCESS_ONCE(int, spinlock->lock) = 0;
-}
-
-UV_UNUSED(static int uv_spinlock_trylock(uv_spinlock_t* spinlock)) {
- /* TODO(bnoordhuis) Maybe change to a ticket lock to guarantee fair queueing.
- * Not really critical until we have locks that are (frequently) contended
- * for by several threads.
- */
- return 0 == cmpxchgi(&spinlock->lock, 0, 1);
-}
-
-#endif /* UV_SPINLOCK_H_ */