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46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin dragonfly freebsd hurd linux netbsd openbsd solaris
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package syscall
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//extern __go_syscall6
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func syscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) uintptr
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// Do a system call. We look at the size of uintptr to see how to pass
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// the arguments, so that we don't pass a 64-bit value when the function
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// expects a 32-bit one.
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func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) {
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Entersyscall()
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SetErrno(0)
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r := syscall6(trap, a1, a2, a3, 0, 0, 0)
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err = GetErrno()
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Exitsyscall()
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return r, 0, err
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}
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func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) {
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Entersyscall()
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SetErrno(0)
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r := syscall6(trap, a1, a2, a3, a4, a5, a6)
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err = GetErrno()
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Exitsyscall()
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return r, 0, err
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}
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func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) {
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SetErrno(0)
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r := syscall6(trap, a1, a2, a3, 0, 0, 0)
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err = GetErrno()
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return r, 0, err
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}
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func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) {
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SetErrno(0)
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r := syscall6(trap, a1, a2, a3, a4, a5, a6)
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err = GetErrno()
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return r, 0, err
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}
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