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 5 package syscall 6 7 import "unsafe" 8 9 func setTimespec(sec, nsec int64) Timespec { 10 return Timespec{Sec: sec, Nsec: nsec} 11 } 12 13 func 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 26 func 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 32 func (iov *Iovec) SetLen(length int) { 33 iov.Len = uint64(length) 34 } 35 36 func (msghdr *Msghdr) SetControllen(length int) { 37 msghdr.Controllen = uint32(length) 38 } 39 40 func (cmsg *Cmsghdr) SetLen(length int) { 41 cmsg.Len = uint32(length) 42 } 43 44 func 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 57 func 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) 63 func syscallX(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) 64 65 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) 66
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