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 5package syscall 6 7import "unsafe" 8 9func setTimespec(sec, nsec int64) Timespec { 10 return Timespec{Sec: int64(sec), Nsec: int64(nsec)} 11} 12 13func setTimeval(sec, usec int64) Timeval { 14 return Timeval{Sec: int64(sec), Usec: int32(usec)} 15} 16 17//sys Fstat(fd int, stat *Stat_t) (err error) 18//sys Fstatfs(fd int, stat *Statfs_t) (err error) 19//sysnb Gettimeofday(tp *Timeval) (err error) 20//sys Lstat(path string, stat *Stat_t) (err error) 21//sys Stat(path string, stat *Stat_t) (err error) 22//sys Statfs(path string, stat *Statfs_t) (err error) 23//sys fstatat(fd int, path string, stat *Stat_t, flags int) (err error) 24 25// Marked nosplit because it is called from forkAndExecInChild where 26// stack growth is forbidden. 27//go:nosplit 28func ptrace(request int, pid int, addr uintptr, data uintptr) error { 29 return ENOTSUP 30} 31 32func SetKevent(k *Kevent_t, fd, mode, flags int) { 33 k.Ident = uint64(fd) 34 k.Filter = int16(mode) 35 k.Flags = uint16(flags) 36} 37 38func (iov *Iovec) SetLen(length int) { 39 iov.Len = uint64(length) 40} 41 42func (msghdr *Msghdr) SetControllen(length int) { 43 msghdr.Controllen = uint32(length) 44} 45 46func (cmsg *Cmsghdr) SetLen(length int) { 47 cmsg.Len = uint32(length) 48} 49 50func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 51 var length = uint64(count) 52 53 _, _, e1 := syscall6(funcPC(libc_sendfile_trampoline), uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0) 54 55 written = int(length) 56 57 if e1 != 0 { 58 err = e1 59 } 60 return 61} 62 63func libc_sendfile_trampoline() 64 65//go:linkname libc_sendfile libc_sendfile 66//go:cgo_import_dynamic libc_sendfile sendfile "/usr/lib/libSystem.B.dylib" 67 68// Implemented in the runtime package (runtime/sys_darwin_64.go) 69func syscallX(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) 70 71func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic 72