File: [local] / prex / usr / lib / posix / file / __file.c (download)
Revision 1.1.1.1 (vendor branch), Tue Aug 19 12:47:00 2008 UTC (16 years ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_8_BASE, HEAD Changes since 1.1: +0 -0 lines
Initial import of Prex, Portable Real-time Embedded POSIX microkernel system.
I have totally new directions in my development (more focused on real hardware, not virtual one).
Old hacks are available in prex-old module. They will be carefully re-designed and merged soon.
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/*
* Copyright (c) 2007, Kohsuke Ohtani
* All rights reserved.
*
* 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.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <prex/prex.h>
#include <prex/posix.h>
#include <server/object.h>
#include <server/stdmsg.h>
#include <server/fs.h>
#include <stddef.h>
object_t __fs_obj;
/*
* This is called first when task is started
*/
void
__file_init(void)
{
int err;
/*
* Look up file system server
*/
err = object_lookup(OBJNAME_FS, &__fs_obj);
if (err)
__fs_obj = 0;
}
/*
* Clean up
*/
void
__file_exit(void)
{
struct msg m;
/* Notify to file system server */
if (__fs_obj != 0) {
m.hdr.code = FS_EXIT;
msg_send(__fs_obj, &m, sizeof(m));
}
}
/*
* Notify to file system server.
* This routine is used by native task which uses file system.
*/
void
fslib_init(void)
{
struct msg m;
if (__fs_obj == 0)
__file_init();
m.hdr.code = FS_REGISTER;
msg_send(__fs_obj, &m, sizeof(m));
}
/*
* Clean up (native task)
*/
void
fslib_exit(void)
{
__file_exit();
}