| // Copyright 2009 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. |
| |
| // This package contains an interface to the low-level operating system |
| // primitives. The details vary depending on the underlying system. |
| // Its primary use is inside other packages that provide a more portable |
| // interface to the system, such as "os", "time" and "net". Use those |
| // packages rather than this one if you can. |
| // For details of the functions and data types in this package consult |
| // the manuals for the appropriate operating system. |
| // These calls return errno == 0 to indicate success; otherwise |
| // errno is an operating system error number describing the failure. |
| package syscall |
| |
| func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr) |
| func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) |
| func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr) |
| |
| // StringByteSlice returns a NUL-terminated slice of bytes |
| // containing the text of s. |
| func StringByteSlice(s string) []byte { |
| a := make([]byte, len(s)+1) |
| copy(a, s) |
| return a |
| } |
| |
| // StringBytePtr returns a pointer to a NUL-terminated array of bytes |
| // containing the text of s. |
| func StringBytePtr(s string) *byte { return &StringByteSlice(s)[0] } |