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

Timestamp:

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

Author:

alain

Message:

Introduce syscalls.

File:

• trunk/kernel/syscalls/sys_mmap.c (modified) (5 diffs)

trunk/kernel/syscalls/sys_mmap.c

@@ -1 +1 @@
 /*
- * kern/sys_mmap.c - map files, memory or devices into process's 
- *                   virtual address space
+ * sys_mmap.c - map files, memory or devices into process virtual address space
  * 
- * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless
- * Copyright (c) 2011,2012 UPMC Sorbonne Universites
+ * Authors       Ghassan Almaless (2008,2009,2010,2011,2012)
+ *               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
@@ -18 +19 @@
  *
  * 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 <errno.h>
 #include <thread.h>
+#include <printk.h>
 #include <vfs.h>
-#include <sys-vfs.h>
 #include <process.h>
 #include <vmm.h>
 
 ///////////////////////////////////
-int sys_mmap( mmap_attr_t * mattr )
+int sys_mmap( mmap_attr_t * attr )
 {
+    printk("\n[WARNING] function %s not implemented\n", __FUNCTION__ );
+    return 0;
+/*    
         error_t err;
         uint_t count;
@@ -46 +51 @@
         file = NULL;
 
-        if((err = cpu_copy_from_uspace(&attr, mattr, sizeof(mmap_attr_t))))
+        if((err = cpu_copy_from_uspace(&attr, attr, sizeof(mmap_attr_t))))
         {
                 printk(INFO, "%s: failed, copying from uspace @%x\n",
                        __FUNCTION__, 
-                       mattr);
+                       attr);
 
                 this->info.errno = EFAULT;
@@ -82 +87 @@
         else
         {      
-                /* FIXEME: possible concurent delete of file from another bugy thread closing it */
+                // FIXME: possible concurent delete of file from another bugy thread closing it 
                 if((attr.fd >= CONFIG_TASK_FILE_MAX_NR) || (process_fd_lookup(process, attr.fd, &file)))
                 {
@@ -145 +150 @@
 
         return (int)VM_FAILED;
-}
+*/
+}  // end sys_mmap()