1  /* errno.c -- functions for getting and setting errno
       2  
       3     Copyright 2010 The Go Authors. All rights reserved.
       4     Use of this source code is governed by a BSD-style
       5     license that can be found in the LICENSE file.  */
       6  #include <errno.h>
       7  #include <stdint.h>
       8  
       9  #include "runtime.h"
      10  
      11  /* errno is typically a macro. These functions set 
      12     and get errno specific to the libc being used.  */
      13  
      14  uintptr_t GetErrno(void) __asm__ (GOSYM_PREFIX "syscall.GetErrno");
      15  void SetErrno(uintptr_t) __asm__ (GOSYM_PREFIX "syscall.SetErrno");
      16  
      17  uintptr_t
      18  GetErrno(void)
      19  {
      20    return (uintptr_t) errno;
      21  }
      22  
      23  void
      24  SetErrno(uintptr_t value)
      25  {
      26    errno = (int) value;
      27  }