1// Copyright 2009 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: sec, Nsec: nsec} 11} 12 13func setTimeval(sec, usec int64) Timeval { 14 return Timeval{Sec: sec, Usec: int32(usec)} 15} 16 17//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_fstat64 18//sys Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_fstatfs64 19//sysnb Gettimeofday(tp *Timeval) (err error) 20//sys Lstat(path string, stat *Stat_t) (err error) = SYS_lstat64 21//sys Stat(path string, stat *Stat_t) (err error) = SYS_stat64 22//sys Statfs(path string, stat *Statfs_t) (err error) = SYS_statfs64 23//sys fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_fstatat64 24//sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error) 25 26func SetKevent(k *Kevent_t, fd, mode, flags int) { 27 k.Ident = uint64(fd) 28 k.Filter = int16(mode) 29 k.Flags = uint16(flags) 30} 31 32func (iov *Iovec) SetLen(length int) { 33 iov.Len = uint64(length) 34} 35 36func (msghdr *Msghdr) SetControllen(length int) { 37 msghdr.Controllen = uint32(length) 38} 39 40func (cmsg *Cmsghdr) SetLen(length int) { 41 cmsg.Len = uint32(length) 42} 43 44func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 45 var length = uint64(count) 46 47 _, _, e1 := syscall6(funcPC(libc_sendfile_trampoline), uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0) 48 49 written = int(length) 50 51 if e1 != 0 { 52 err = e1 53 } 54 return 55} 56 57func libc_sendfile_trampoline() 58 59//go:linkname libc_sendfile libc_sendfile 60//go:cgo_import_dynamic libc_sendfile sendfile "/usr/lib/libSystem.B.dylib" 61 62// Implemented in the runtime package (runtime/sys_darwin_64.go) 63func syscallX(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) 64 65func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) 66