1 files changed, 65 insertions, 0 deletions
diff --git a/libpthread/lockfile.c b/libpthread/lockfile.c
new file mode 100644
index 00000000..040cbfb4
--- /dev/null
+++ b/libpthread/lockfile.c
@@ -0,0 +1,65 @@
+/* lockfile - Handle locking and unlocking of streams.  Hurd cthreads version.
+   Copyright (C) 2000,01,02 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <cthreads.h>
+#include <pthread.h>		/* Must come before <stdio.h>! */
+#include <stdio.h>
+
+#ifdef _STDIO_USES_IOSTREAM
+
+void
+_cthreads_flockfile (_IO_FILE *fp)
+{
+  _IO_lock_lock (*fp->_lock);
+}
+
+void
+_cthreads_funlockfile (_IO_FILE *fp)
+{
+  _IO_lock_unlock (*fp->_lock);
+}
+
+int
+_cthreads_ftrylockfile (_IO_FILE *fp)
+{
+  return __libc_lock_trylock_recursive (*fp->_lock);
+}
+
+# undef 	_IO_flockfile
+# undef 	_IO_funlockfile
+# undef 	_IO_ftrylockfile
+# undef		flockfile
+# undef		funlockfile
+# undef		ftrylockfile
+
+void _IO_flockfile (_IO_FILE *)
+     __attribute__ ((alias ("_cthreads_flockfile")));
+void _IO_funlockfile (_IO_FILE *)
+     __attribute__ ((alias ("_cthreads_funlockfile")));
+int _IO_ftrylockfile (_IO_FILE *)
+     __attribute__ ((alias ("_cthreads_ftrylockfile")));
+
+void flockfile (_IO_FILE *)
+     __attribute__ ((alias ("_cthreads_flockfile")));
+void funlockfile (_IO_FILE *)
+     __attribute__ ((alias ("_cthreads_funlockfile")));
+int ftrylockfile (_IO_FILE *)
+     __attribute__ ((alias ("_cthreads_ftrylockfile")));
+
+#endif /* _STDIO_USES_IOSTREAM */