src/system/libroot/posix/glibc/libio/flockfile.c

   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 "libioP.h"
   8
   9
  10 #undef _IO_flockfile
  11 #undef _IO_funlockfile
  12
  13
  14 void
  15 _IO_flockfile(_IO_FILE *stream)
  16 {
  17         __libc_lock_lock_recursive(*stream->_lock);
  18 }
  19
  20
  21 void
  22 _IO_funlockfile(_IO_FILE *stream)
  23 {
  24         __libc_lock_unlock_recursive(*stream->_lock);
  25 }
  26
  27
  28 int
  29 _IO_ftrylockfile(_IO_FILE *stream)
  30 {
  31         // ToDo: that code has probably never been tested!
  32         //return __libc_lock_trylock_recursive(*stream->_lock);
  33         return 1;
  34 }
  35
  36 weak_alias (_IO_flockfile, flockfile);
  37 weak_alias (_IO_funlockfile, funlockfile);
  38 weak_alias (_IO_ftrylockfile, ftrylockfile);