1 /* 2 * Copyright 2002-2008, Axel Dörfler, axeld@pinc-software.de. 3 * Copyright 2013, Ingo Weinhold, ingo_weinhold@gmx.de. 4 * All rights reserved. Distributed under the terms of the MIT License. 5 * 6 * Copyright 2001-2002, Travis Geiselbrecht. All rights reserved. 7 * Distributed under the terms of the NewOS License. 8 */ 9 #ifndef _SYSTEM_VFS_DEFS_H 10 #define _SYSTEM_VFS_DEFS_H 11 12 13 #include <limits.h> 14 #include <sys/stat.h> 15 16 #include <SupportDefs.h> 17 18 19 struct fd_info { 20 int number; 21 int32 open_mode; 22 dev_t device; 23 ino_t node; 24 }; 25 26 27 /* maximum write size to a pipe/FIFO that is guaranteed not to be interleaved 28 with other writes (aka {PIPE_BUF}; must be >= _POSIX_PIPE_BUF) */ 29 #define VFS_FIFO_ATOMIC_WRITE_SIZE PIPE_BUF 30 31 /* pipe/FIFO buffer capacity */ 32 #define VFS_FIFO_BUFFER_CAPACITY (64 * 1024) 33 34 // make sure the constant values are sane 35 #if VFS_FIFO_ATOMIC_WRITE_SIZE < _POSIX_PIPE_BUF 36 # error VFS_FIFO_ATOMIC_WRITE_SIZE < _POSIX_PIPE_BUF! 37 #endif 38 39 40 #endif /* _SYSTEM_VFS_DEFS_H */ 41