1 | /* |
---|
2 | * kern/sys_mkfifo.c - creates a FIFO named file |
---|
3 | * |
---|
4 | * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless |
---|
5 | * Copyright (c) 2011,2012 UPMC Sorbonne Universites |
---|
6 | * |
---|
7 | * This file is part of ALMOS-kernel. |
---|
8 | * |
---|
9 | * ALMOS-kernel is free software; you can redistribute it and/or modify it |
---|
10 | * under the terms of the GNU General Public License as published by |
---|
11 | * the Free Software Foundation; version 2.0 of the License. |
---|
12 | * |
---|
13 | * ALMOS-kernel is distributed in the hope that it will be useful, but |
---|
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
16 | * General Public License for more details. |
---|
17 | * |
---|
18 | * You should have received a copy of the GNU General Public License |
---|
19 | * along with ALMOS-kernel; if not, write to the Free Software Foundation, |
---|
20 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
---|
21 | */ |
---|
22 | |
---|
23 | #include <kdmsg.h> |
---|
24 | #include <vfs.h> |
---|
25 | #include <sys-vfs.h> |
---|
26 | #include <task.h> |
---|
27 | #include <thread.h> |
---|
28 | |
---|
29 | int sys_mkfifo (char *pathname, uint_t mode) |
---|
30 | { |
---|
31 | register error_t err = 0; |
---|
32 | struct task_s *task = current_task; |
---|
33 | struct ku_obj ku_path; |
---|
34 | |
---|
35 | current_thread->info.errno = ENOSYS; |
---|
36 | return -1; |
---|
37 | |
---|
38 | KU_BUFF(ku_path, pathname); |
---|
39 | rwlock_rdlock(&task->cwd_lock); |
---|
40 | if((err = vfs_mkfifo(&task->vfs_cwd, &ku_path, mode))) |
---|
41 | { |
---|
42 | printk(INFO, "INFO: sys_mkfifo: Thread %x, CPU %d, Error Code %d\n", |
---|
43 | current_thread, |
---|
44 | cpu_get_id(), |
---|
45 | err); |
---|
46 | |
---|
47 | rwlock_unlock(&task->cwd_lock); |
---|
48 | return -1; |
---|
49 | } |
---|
50 | rwlock_unlock(&task->cwd_lock); |
---|
51 | |
---|
52 | return 0; |
---|
53 | } |
---|