1 files changed, 0 insertions, 69 deletions
diff --git a/components/libc/pthreads/pthread_spin.c b/components/libc/pthreads/pthread_spin.c
deleted file mode 100644
index 3f3dc1593c..0000000000
--- a/components/libc/pthreads/pthread_spin.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2010-10-26     Bernard      the first version
- */
-
-#include <pthread.h>
-
-int pthread_spin_init (pthread_spinlock_t *lock, int pshared)
-{
-    if (!lock)
-        return EINVAL;
-
-    lock->lock = 0;
-
-    return 0;
-}
-
-int pthread_spin_destroy (pthread_spinlock_t *lock)
-{
-    if (!lock)
-        return EINVAL;
-
-    return 0;
-}
-
-int pthread_spin_lock (pthread_spinlock_t *lock)
-{
-    if (!lock)
-        return EINVAL;
-
-    while (!(lock->lock))
-    {
-        lock->lock = 1;
-    }
-
-    return 0;
-}
-
-int pthread_spin_trylock (pthread_spinlock_t *lock)
-{
-    if (!lock)
-        return EINVAL;
-
-    if (!(lock->lock))
-    {
-        lock->lock = 1;
-
-        return 0;
-    }
-
-    return EBUSY;
-}
-
-int pthread_spin_unlock (pthread_spinlock_t *lock)
-{
-    if (!lock)
-        return EINVAL;
-    if (!(lock->lock))
-        return EPERM;
-
-    lock->lock = 0;
-
-    return 0;
-}