Changeset 23 for trunk/kernel/syscalls/sys_opendir.c

Timestamp:

Jun 18, 2017, 10:06:41 PM (7 years ago)

Author:

alain

Message:

Introduce syscalls.

File:

• trunk/kernel/syscalls/sys_opendir.c (modified) (2 diffs)

trunk/kernel/syscalls/sys_opendir.c

@@ -1 +1 @@
 /*
- * kern/sys_opendir.c - open a directory
+ * sys_opendir.c - open a directory.
  * 
- * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless
- * Copyright (c) 2011,2012 UPMC Sorbonne Universites
+ * Author        Alain Greiner (2016,2017)
  *
- * This file is part of ALMOS-kernel.
+ * Copyright (c) UPMC Sorbonne Universites
  *
- * ALMOS-kernel is free software; you can redistribute it and/or modify it
+ * This file is part of ALMOS-MKH.
+ *
+ * ALMOS-MKH is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2.0 of the License.
  *
- * ALMOS-kernel is distributed in the hope that it will be useful, but
+ * ALMOS-MKH is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
@@ -17 +18 @@
  *
  * You should have received a copy of the GNU General Public License
- * along with ALMOS-kernel; if not, write to the Free Software Foundation,
+ * along with ALMOS-MKH; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <hal_types.h>
 #include <vfs.h>
-#include <sys-vfs.h>
-#include <process.h>
-#include <thread.h>
-#include <spinlock.h>
+#include <syscalls.h>
 
 ///////////////////////////////////
 int sys_opendir ( char * pathname )
 {
-        error_t             err;
-        struct vfs_file_s   file;
-        struct ku_obj       ku_path;
-        thread_t          * this    = current_thread;
-        process_t         * process = current_process;
-        uint32_t            fd        = (uint32_t)-1;
-        uint32_t            mode      = 0;
-   
-        if( process_fd_array_full( process ) )
-        {
-                this->info.errno = ENFILE;
-            return fd;
-        }
+        uint32_t   mode  = 0;
+    uint32_t   flags = O_DIR;
 
-        KU_BUFF(ku_path, pathname);
-
-        rwlock_rdlock( &process->cwd_lock );
-
-        err = vfs_opendir( &process->vfs_cwd , &ku_path , mode , &file );
-        if( err )
-        {
-                this->info.errno = (err < 0 ) ? -err : err;
-            rwlock_unlock( &process->cwd_lock );
-            return fd;
-        }
-
-        err = process_fd_set( process , &file , &fd);
-        if( err )
-        {
-                vfs_close(&file, NULL);
-                this->info.errno = err;
-        }
-   
-        rwlock_unlock( &process->cwd_lock );
-        return fd;
+    return sys_open( pathname , flags , mode );
 }