-#ifndef _LINUX_RING_BUFFER_BACKEND_INTERNAL_H
-#define _LINUX_RING_BUFFER_BACKEND_INTERNAL_H
+#ifndef _LIB_RING_BUFFER_BACKEND_INTERNAL_H
+#define _LIB_RING_BUFFER_BACKEND_INTERNAL_H
/*
- * linux/ringbuffer/backend_internal.h
- *
- * Copyright (C) 2008-2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * lib/ringbuffer/backend_internal.h
*
* Ring buffer backend (internal helpers).
*
- * Dual LGPL v2.1/GPL v2 license.
+ * Copyright (C) 2008-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * 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; only
+ * version 2.1 of the License.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "../../wrapper/ringbuffer/config.h"
extern void _lib_ring_buffer_memset(struct lib_ring_buffer_backend *bufb,
size_t offset, int c, size_t len,
ssize_t pagecpy);
-extern void _lib_ring_buffer_copy_from_user(struct lib_ring_buffer_backend *bufb,
+extern void _lib_ring_buffer_copy_from_user_inatomic(struct lib_ring_buffer_backend *bufb,
size_t offset, const void *src,
size_t len, ssize_t pagecpy);
/*
* Must be executed at subbuffer delivery when the writer has _exclusive_
- * subbuffer access. See ring_buffer_check_deliver() for details.
- * ring_buffer_get_records_count() must be called to get the records count
- * before this function, because it resets the records_commit count.
+ * subbuffer access. See lib_ring_buffer_check_deliver() for details.
+ * lib_ring_buffer_get_records_count() must be called to get the records
+ * count before this function, because it resets the records_commit
+ * count.
*/
static inline
unsigned long subbuffer_count_records_overrun(
} while (0)
/*
- * We use __copy_from_user to copy userspace data since we already
+ * We use __copy_from_user_inatomic to copy userspace data since we already
* did the access_ok for the whole range.
*/
static inline
-unsigned long lib_ring_buffer_do_copy_from_user(void *dest,
+unsigned long lib_ring_buffer_do_copy_from_user_inatomic(void *dest,
const void __user *src,
unsigned long len)
{
- return __copy_from_user(dest, src, len);
+ return __copy_from_user_inatomic(dest, src, len);
}
/*
dest[i] = c;
}
-#endif /* _LINUX_RING_BUFFER_BACKEND_INTERNAL_H */
+#endif /* _LIB_RING_BUFFER_BACKEND_INTERNAL_H */