blob: b15bd68dc76bab21d901fd0872618a00f4f4a12b [file] [log] [blame]
// 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.
package syscall
import "unsafe"
func setTimespec(sec, nsec int64) Timespec {
return Timespec{Sec: sec, Nsec: nsec}
}
func setTimeval(sec, usec int64) Timeval {
return Timeval{Sec: sec, Usec: int32(usec)}
}
//sysnb gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
func Gettimeofday(tv *Timeval) error {
// The tv passed to gettimeofday must be non-nil.
// Before macOS Sierra (10.12), tv was otherwise unused and
// the answers came back in the two registers.
// As of Sierra, gettimeofday return zeros and populates
// tv itself.
sec, usec, err := gettimeofday(tv)
if err != nil {
return err
}
if sec != 0 || usec != 0 {
tv.Sec = sec
tv.Usec = usec
}
return nil
}
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 (cmsg *Cmsghdr) SetLen(length int) {
cmsg.Len = uint32(length)
}
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
var length = uint64(count)
_, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
written = int(length)
if e1 != 0 {
err = e1
}
return
}
func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)