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remove unused spinlock. 

This just removes spinlock as it is not used anymore.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-Id: <1439220437-23957-6-git-send-email-fred.konrad@greensocs.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
KONRAD Frederic 2015-08-10 17:27:03 +02:00 committed by Paolo Bonzini
parent 677ef6230b
commit 2496ff1311
1 changed files with 0 additions and 49 deletions
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49
include/exec/spinlock.h
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@ -1,49 +0,0 @@
/*
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
/* configure guarantees us that we have pthreads on any host except
* mingw32, which doesn't support any of the user-only targets.
* So we can simply assume we have pthread mutexes here.
*/
#if defined(CONFIG_USER_ONLY)
#include <pthread.h>
#define spin_lock pthread_mutex_lock
#define spin_unlock pthread_mutex_unlock
#define spinlock_t pthread_mutex_t
#define SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
#else
/* Empty implementations, on the theory that system mode emulation
* is single-threaded. This means that these functions should only
* be used from code run in the TCG cpu thread, and cannot protect
* data structures which might also be accessed from the IO thread
* or from signal handlers.
*/
typedef int spinlock_t;
#define SPIN_LOCK_UNLOCKED 0
static inline void spin_lock(spinlock_t *lock)
{
}
static inline void spin_unlock(spinlock_t *lock)
{
}
#endif