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Diffstat (limited to 'cpukit/include/rtems/imfsimpl.h')
-rw-r--r-- | cpukit/include/rtems/imfsimpl.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/cpukit/include/rtems/imfsimpl.h b/cpukit/include/rtems/imfsimpl.h new file mode 100644 index 0000000000..db1ae32af7 --- /dev/null +++ b/cpukit/include/rtems/imfsimpl.h @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @brief This header file contains interfaces used by the implementation of + * the In-Memory File System. + */ + +/* + * Copyright (C) 2013, 2018 embedded brains GmbH + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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. + */ + +#ifndef _RTEMS_IMFSIMPL_H +#define _RTEMS_IMFSIMPL_H + +#include <rtems/imfs.h> +#include <rtems/score/timecounter.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @addtogroup IMFS + * + * @{ + */ + +static inline time_t _IMFS_get_time( void ) +{ + struct bintime now; + + /* Use most efficient way to get the time in seconds (CLOCK_REALTIME) */ + _Timecounter_Getbintime( &now ); + + return now.sec; +} + +static inline void IMFS_update_atime( IMFS_jnode_t *jnode ) +{ + jnode->stat_atime = _IMFS_get_time(); +} + +static inline void IMFS_update_mtime( IMFS_jnode_t *jnode ) +{ + jnode->stat_mtime = _IMFS_get_time(); +} + +static inline void IMFS_update_ctime( IMFS_jnode_t *jnode ) +{ + jnode->stat_ctime = _IMFS_get_time(); +} + +static inline void IMFS_mtime_ctime_update( IMFS_jnode_t *jnode ) +{ + time_t now; + + now = _IMFS_get_time(); + + jnode->stat_mtime = now; + jnode->stat_ctime = now; +} + +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif /* _RTEMS_IMFSIMPL_H */ |