github.com/mfpierre/corectl@v0.5.6/Godeps/_workspace/src/golang.org/x/sys/unix/syscall_darwin_amd64.go (about)

     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  // +build amd64,darwin
     6  
     7  package unix
     8  
     9  import (
    10  	"syscall"
    11  	"unsafe"
    12  )
    13  
    14  //sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
    15  
    16  func Getpagesize() int { return 4096 }
    17  
    18  func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
    19  
    20  func NsecToTimespec(nsec int64) (ts Timespec) {
    21  	ts.Sec = nsec / 1e9
    22  	ts.Nsec = nsec % 1e9
    23  	return
    24  }
    25  
    26  func NsecToTimeval(nsec int64) (tv Timeval) {
    27  	nsec += 999 // round up to microsecond
    28  	tv.Usec = int32(nsec % 1e9 / 1e3)
    29  	tv.Sec = int64(nsec / 1e9)
    30  	return
    31  }
    32  
    33  //sysnb	gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
    34  func Gettimeofday(tv *Timeval) (err error) {
    35  	// The tv passed to gettimeofday must be non-nil
    36  	// but is otherwise unused.  The answers come back
    37  	// in the two registers.
    38  	sec, usec, err := gettimeofday(tv)
    39  	tv.Sec = sec
    40  	tv.Usec = usec
    41  	return err
    42  }
    43  
    44  func SetKevent(k *Kevent_t, fd, mode, flags int) {
    45  	k.Ident = uint64(fd)
    46  	k.Filter = int16(mode)
    47  	k.Flags = uint16(flags)
    48  }
    49  
    50  func (iov *Iovec) SetLen(length int) {
    51  	iov.Len = uint64(length)
    52  }
    53  
    54  func (msghdr *Msghdr) SetControllen(length int) {
    55  	msghdr.Controllen = uint32(length)
    56  }
    57  
    58  func (cmsg *Cmsghdr) SetLen(length int) {
    59  	cmsg.Len = uint32(length)
    60  }
    61  
    62  func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
    63  	var length = uint64(count)
    64  
    65  	_, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
    66  
    67  	written = int(length)
    68  
    69  	if e1 != 0 {
    70  		err = e1
    71  	}
    72  	return
    73  }
    74  
    75  func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
    76  
    77  // SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
    78  // of darwin/amd64 the syscall is called sysctl instead of __sysctl.
    79  const SYS___SYSCTL = SYS_SYSCTL