syscall_darwin_amd64.go

     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 (
     8  	"internal/abi"
     9  	"unsafe"
    10  )
    11  
    12  func setTimespec(sec, nsec int64) Timespec {
    13  	return Timespec{Sec: sec, Nsec: nsec}
    14  }
    15  
    16  func setTimeval(sec, usec int64) Timeval {
    17  	return Timeval{Sec: sec, Usec: int32(usec)}
    18  }
    19  
    20  //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_fstat64
    21  //sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_fstatfs64
    22  //sysnb	Gettimeofday(tp *Timeval) (err error)
    23  //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_lstat64
    24  //sys	Stat(path string, stat *Stat_t) (err error) = SYS_stat64
    25  //sys	Statfs(path string, stat *Statfs_t) (err error) = SYS_statfs64
    26  //sys   fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_fstatat64
    27  //sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
    28  
    29  func SetKevent(k *Kevent_t, fd, mode, flags int) {
    30  	k.Ident = uint64(fd)
    31  	k.Filter = int16(mode)
    32  	k.Flags = uint16(flags)
    33  }
    34  
    35  func (iov *Iovec) SetLen(length int) {
    36  	iov.Len = uint64(length)
    37  }
    38  
    39  func (msghdr *Msghdr) SetControllen(length int) {
    40  	msghdr.Controllen = uint32(length)
    41  }
    42  
    43  func (cmsg *Cmsghdr) SetLen(length int) {
    44  	cmsg.Len = uint32(length)
    45  }
    46  
    47  func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
    48  	var length = uint64(count)
    49  
    50  	_, _, e1 := syscall6(abi.FuncPCABI0(libc_sendfile_trampoline), uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
    51  
    52  	written = int(length)
    53  
    54  	if e1 != 0 {
    55  		err = e1
    56  	}
    57  	return
    58  }
    59  
    60  func libc_sendfile_trampoline()
    61  
    62  //go:cgo_import_dynamic libc_sendfile sendfile "/usr/lib/libSystem.B.dylib"
    63  
    64  func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
    65
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