| // Copyright 2011 The Go Authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style | 
 | // license that can be found in the LICENSE file. | 
 |  | 
 | package syscall | 
 |  | 
 | // Constants | 
 | const ( | 
 | 	// Invented values to support what package os expects. | 
 | 	O_CREAT    = 0x02000 | 
 | 	O_APPEND   = 0x00400 | 
 | 	O_NOCTTY   = 0x00000 | 
 | 	O_NONBLOCK = 0x00000 | 
 | 	O_SYNC     = 0x00000 | 
 | 	O_ASYNC    = 0x00000 | 
 |  | 
 | 	S_IFMT   = 0x1f000 | 
 | 	S_IFIFO  = 0x1000 | 
 | 	S_IFCHR  = 0x2000 | 
 | 	S_IFDIR  = 0x4000 | 
 | 	S_IFBLK  = 0x6000 | 
 | 	S_IFREG  = 0x8000 | 
 | 	S_IFLNK  = 0xa000 | 
 | 	S_IFSOCK = 0xc000 | 
 | ) | 
 |  | 
 | // Errors | 
 | var ( | 
 | 	EINVAL       = NewError("bad arg in system call") | 
 | 	ENOTDIR      = NewError("not a directory") | 
 | 	EISDIR       = NewError("file is a directory") | 
 | 	ENOENT       = NewError("file does not exist") | 
 | 	EEXIST       = NewError("file already exists") | 
 | 	EMFILE       = NewError("no free file descriptors") | 
 | 	EIO          = NewError("i/o error") | 
 | 	ENAMETOOLONG = NewError("file name too long") | 
 | 	EINTR        = NewError("interrupted") | 
 | 	EPERM        = NewError("permission denied") | 
 | 	EBUSY        = NewError("no free devices") | 
 | 	ETIMEDOUT    = NewError("connection timed out") | 
 | 	EPLAN9       = NewError("not supported by plan 9") | 
 |  | 
 | 	// The following errors do not correspond to any | 
 | 	// Plan 9 system messages. Invented to support | 
 | 	// what package os and others expect. | 
 | 	EACCES       = NewError("access permission denied") | 
 | 	EAFNOSUPPORT = NewError("address family not supported by protocol") | 
 | 	ESPIPE       = NewError("illegal seek") | 
 | ) | 
 |  | 
 | // Notes | 
 | const ( | 
 | 	SIGABRT = Note("abort") | 
 | 	SIGALRM = Note("alarm") | 
 | 	SIGHUP  = Note("hangup") | 
 | 	SIGINT  = Note("interrupt") | 
 | 	SIGKILL = Note("kill") | 
 | 	SIGTERM = Note("interrupt") | 
 | ) |