1 // Copyright 2015 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package syscall 6 7 import "unsafe" 8 9 func setTimespec(sec, nsec int64) Timespec { 10 return Timespec{Sec: int64(sec), Nsec: int64(nsec)} 11 } 12 13 func setTimeval(sec, usec int64) Timeval { 14 return Timeval{Sec: int64(sec), Usec: int32(usec)} 15 } 16 17 //sysnb gettimeofday(tp *Timeval) (sec int64, usec int32, err error) 18 func Gettimeofday(tv *Timeval) error { 19 // The tv passed to gettimeofday must be non-nil 20 // but is otherwise unused. The answers come back 21 // in the two registers. 22 sec, usec, err := gettimeofday(tv) 23 if err != nil { 24 return err 25 } 26 if sec != 0 || usec != 0 { 27 tv.Sec = sec 28 tv.Usec = usec 29 } 30 return nil 31 } 32 33 func SetKevent(k *Kevent_t, fd, mode, flags int) { 34 k.Ident = uint64(fd) 35 k.Filter = int16(mode) 36 k.Flags = uint16(flags) 37 } 38 39 func (iov *Iovec) SetLen(length int) { 40 iov.Len = uint64(length) 41 } 42 43 func (msghdr *Msghdr) SetControllen(length int) { 44 msghdr.Controllen = uint32(length) 45 } 46 47 func (cmsg *Cmsghdr) SetLen(length int) { 48 cmsg.Len = uint32(length) 49 } 50 51 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 52 var length = uint64(count) 53 54 _, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0) 55 56 written = int(length) 57 58 if e1 != 0 { 59 err = e1 60 } 61 return 62 } 63 64 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic 65
