src/system/kernel/lib/kernel_errno.cpp

   1 /*
   2  * Copyright 2003-2007, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "thread.h"
   8
   9 #include <errno.h>
  10
  11
  12 /*!
  13         Kernel space storage for "errno", located in the thread structure
  14         (user "errno" can't be changed from kernel internal POSIX calls)
  15 */
  16 int *
  17 _errnop(void)
  18 {
  19         Thread *thread = thread_get_current_thread();
  20
  21         return &thread->kernel_errno;
  22 }
  23