| // 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. |
| |
| //go:build darwin || dragonfly || freebsd || hurd || linux || netbsd || openbsd || solaris |
| // +build darwin dragonfly freebsd hurd linux netbsd openbsd solaris |
| |
| package syscall |
| |
| //extern __go_syscall6 |
| func syscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) uintptr |
| |
| // Do a system call. We look at the size of uintptr to see how to pass |
| // the arguments, so that we don't pass a 64-bit value when the function |
| // expects a 32-bit one. |
| func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) { |
| Entersyscall() |
| SetErrno(0) |
| r := syscall6(trap, a1, a2, a3, 0, 0, 0) |
| err = GetErrno() |
| Exitsyscall() |
| return r, 0, err |
| } |
| |
| func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) { |
| Entersyscall() |
| SetErrno(0) |
| r := syscall6(trap, a1, a2, a3, a4, a5, a6) |
| err = GetErrno() |
| Exitsyscall() |
| return r, 0, err |
| } |
| |
| func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) { |
| SetErrno(0) |
| r := syscall6(trap, a1, a2, a3, 0, 0, 0) |
| err = GetErrno() |
| return r, 0, err |
| } |
| |
| func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) { |
| SetErrno(0) |
| r := syscall6(trap, a1, a2, a3, a4, a5, a6) |
| err = GetErrno() |
| return r, 0, err |
| } |