FreeNOS
close.cpp
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1 /*
2  * Copyright (C) 2009 Niek Linnenbank
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include <FileSystemClient.h>
19 #include "errno.h"
20 #include "unistd.h"
21 
22 int close(int fildes)
23 {
24  const FileSystemClient fs;
25 
26  const FileSystem::Result result = fs.closeFile(fildes);
27  if (result != FileSystem::Success)
28  {
29  errno = ENOENT;
30  return -1;
31  }
32 
33  return 0;
34 }
errno
C int errno
The lvalue errno is used by many functions to return error values.
FileSystemClient
FileSystemClient provides a simple interface to a FileSystemServer.
Definition: FileSystemClient.h:42
FileSystem::Success
@ Success
Definition: FileSystem.h:54
close
int close(int fildes)
Close a file descriptor.
Definition: close.cpp:22
FileSystemClient::closeFile
FileSystem::Result closeFile(const Size descriptor) const
Close a file.
Definition: FileSystemClient.cpp:218
unistd.h
ENOENT
#define ENOENT
No such file or directory.
Definition: errno.h:178
FileSystemClient.h
FileSystem::Result
Result
Result code for filesystem Actions.
Definition: FileSystem.h:52
errno.h