HelenOS sources

root/uspace/lib/c/generic/io/klog.c

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DEFINITIONS

This source file includes following definitions.
  1. klog_write
  2. klog_read

/*
 * Copyright (c) 2013 Martin Sucha
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

/** @addtogroup libc
 * @{
 */
/** @file
 */

#include <libc.h>
#include <str.h>
#include <stddef.h>
#include <stdint.h>
#include <errno.h>
#include <abi/klog.h>
#include <io/klog.h>
#include <abi/log.h>

errno_t klog_write(log_level_t lvl, const void *buf, size_t size)
{
        return (errno_t) __SYSCALL4(SYS_KLOG, KLOG_WRITE, (sysarg_t) buf,
            size, lvl);
}

errno_t klog_read(void *data, size_t size, size_t *nread)
{
        return (errno_t) __SYSCALL5(SYS_KLOG, KLOG_READ, (uintptr_t) data,
            size, 0, (sysarg_t) nread);
}

/** @}
 */

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