mirror of
https://github.com/golang/sys.git
synced 2026-02-08 19:56:04 +03:00
2977c7732d
The existing ptrace wrapper accepts pointer argument as an uintptr which often points to the memory allocated in Go. This violates unsafe.Pointer safety rules. For golang/go#58387 Change-Id: Ib3b4c50368725191f0862c6c7c6d46b0568523c7 Reviewed-on: https://go-review.googlesource.com/c/sys/+/469835 Run-TryBot: Ian Lance Taylor <iant@google.com> Reviewed-by: Bryan Mills <bcmills@google.com> Run-TryBot: Bryan Mills <bcmills@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com>
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
// 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 amd64 && freebsd
|
|
// +build amd64,freebsd
|
|
|
|
package unix
|
|
|
|
import (
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
func setTimespec(sec, nsec int64) Timespec {
|
|
return Timespec{Sec: sec, Nsec: nsec}
|
|
}
|
|
|
|
func setTimeval(sec, usec int64) Timeval {
|
|
return Timeval{Sec: sec, Usec: usec}
|
|
}
|
|
|
|
func SetKevent(k *Kevent_t, fd, mode, flags int) {
|
|
k.Ident = uint64(fd)
|
|
k.Filter = int16(mode)
|
|
k.Flags = uint16(flags)
|
|
}
|
|
|
|
func (iov *Iovec) SetLen(length int) {
|
|
iov.Len = uint64(length)
|
|
}
|
|
|
|
func (msghdr *Msghdr) SetControllen(length int) {
|
|
msghdr.Controllen = uint32(length)
|
|
}
|
|
|
|
func (msghdr *Msghdr) SetIovlen(length int) {
|
|
msghdr.Iovlen = int32(length)
|
|
}
|
|
|
|
func (cmsg *Cmsghdr) SetLen(length int) {
|
|
cmsg.Len = uint32(length)
|
|
}
|
|
|
|
func (d *PtraceIoDesc) SetLen(length int) {
|
|
d.Len = uint64(length)
|
|
}
|
|
|
|
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
|
|
var writtenOut uint64 = 0
|
|
_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0)
|
|
|
|
written = int(writtenOut)
|
|
|
|
if e1 != 0 {
|
|
err = e1
|
|
}
|
|
return
|
|
}
|
|
|
|
func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
|
|
|
|
func PtraceGetFsBase(pid int, fsbase *int64) (err error) {
|
|
return ptracePtr(PT_GETFSBASE, pid, unsafe.Pointer(fsbase), 0)
|
|
}
|