Annotation of prex/usr/lib/posix/file/__file.c, Revision 1.1
1.1 ! nbrk 1: /*
! 2: * Copyright (c) 2007, Kohsuke Ohtani
! 3: * All rights reserved.
! 4: *
! 5: * Redistribution and use in source and binary forms, with or without
! 6: * modification, are permitted provided that the following conditions
! 7: * are met:
! 8: * 1. Redistributions of source code must retain the above copyright
! 9: * notice, this list of conditions and the following disclaimer.
! 10: * 2. Redistributions in binary form must reproduce the above copyright
! 11: * notice, this list of conditions and the following disclaimer in the
! 12: * documentation and/or other materials provided with the distribution.
! 13: * 3. Neither the name of the author nor the names of any co-contributors
! 14: * may be used to endorse or promote products derived from this software
! 15: * without specific prior written permission.
! 16: *
! 17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 27: * SUCH DAMAGE.
! 28: */
! 29:
! 30: #include <prex/prex.h>
! 31: #include <prex/posix.h>
! 32: #include <server/object.h>
! 33: #include <server/stdmsg.h>
! 34: #include <server/fs.h>
! 35:
! 36: #include <stddef.h>
! 37:
! 38: object_t __fs_obj;
! 39:
! 40: /*
! 41: * This is called first when task is started
! 42: */
! 43: void
! 44: __file_init(void)
! 45: {
! 46: int err;
! 47:
! 48: /*
! 49: * Look up file system server
! 50: */
! 51: err = object_lookup(OBJNAME_FS, &__fs_obj);
! 52: if (err)
! 53: __fs_obj = 0;
! 54: }
! 55:
! 56: /*
! 57: * Clean up
! 58: */
! 59: void
! 60: __file_exit(void)
! 61: {
! 62: struct msg m;
! 63:
! 64: /* Notify to file system server */
! 65: if (__fs_obj != 0) {
! 66: m.hdr.code = FS_EXIT;
! 67: msg_send(__fs_obj, &m, sizeof(m));
! 68: }
! 69: }
! 70:
! 71: /*
! 72: * Notify to file system server.
! 73: * This routine is used by native task which uses file system.
! 74: */
! 75: void
! 76: fslib_init(void)
! 77: {
! 78: struct msg m;
! 79:
! 80: if (__fs_obj == 0)
! 81: __file_init();
! 82:
! 83: m.hdr.code = FS_REGISTER;
! 84: msg_send(__fs_obj, &m, sizeof(m));
! 85: }
! 86:
! 87:
! 88: /*
! 89: * Clean up (native task)
! 90: */
! 91: void
! 92: fslib_exit(void)
! 93: {
! 94:
! 95: __file_exit();
! 96: }
! 97:
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