source: trunk/kernel/syscalls/sys_mkfifo.c @ 8

Last change on this file since 8 was 1, checked in by alain, 8 years ago

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File size: 1.5 KB
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[1]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
29int 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}
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