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