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Diffstat (limited to 'sysdeps/standalone/filedesc.h')
-rw-r--r-- | sysdeps/standalone/filedesc.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/standalone/filedesc.h b/sysdeps/standalone/filedesc.h new file mode 100644 index 0000000000..bf3b6a9f0c --- /dev/null +++ b/sysdeps/standalone/filedesc.h @@ -0,0 +1,48 @@ +/* Copyright (C) 1994 Free Software Foundation, Inc. + Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil, + On-Line Applications Research Corporation. + +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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* + * This is the file descriptor used by the no OS implementation + * of __open, __read, __write, and __close. + */ + +#ifndef __FILEDESC_h +#define __FILEDESC_h + +#include <stdio_lim.h> + +#ifndef __DECLARE_FILE_DESCRIPTORS__ +#define FILEDESC_EXTERN extern +#else +#define FILEDESC_EXTERN +#endif + +typedef struct { + int in_use; /* 1 if in use, 0 otherwise */ + int flags; /* Flags from open */ +} __no_os_file_descriptor; + +#define __FD_Is_valid( _fd ) \ + ( (_fd) >= 0 && (_fd) < FOPEN_MAX ) + +FILEDESC_EXTERN __no_os_file_descriptor __FD_Table[ FOPEN_MAX ]; + +#endif |