github.com/dorkamotorka/go/src@v0.0.0-20230614113921-187095f0e316/syscall/syscall_darwin_arm64.go (about)

     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  
     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)
    21  //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
    22  //sysnb	Gettimeofday(tp *Timeval) (err error)
    23  //sys	Lstat(path string, stat *Stat_t) (err error)
    24  //sys	Stat(path string, stat *Stat_t) (err error)
    25  //sys	Statfs(path string, stat *Statfs_t) (err error)
    26  //sys	fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
    27  //sys	ptrace1(request int, pid int, addr uintptr, data uintptr) (err error) = SYS_ptrace
    28  //sys	ptrace1Ptr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) = SYS_ptrace
    29  
    30  func SetKevent(k *Kevent_t, fd, mode, flags int) {
    31  	k.Ident = uint64(fd)
    32  	k.Filter = int16(mode)
    33  	k.Flags = uint16(flags)
    34  }
    35  
    36  func (iov *Iovec) SetLen(length int) {
    37  	iov.Len = uint64(length)
    38  }
    39  
    40  func (msghdr *Msghdr) SetControllen(length int) {
    41  	msghdr.Controllen = uint32(length)
    42  }
    43  
    44  func (cmsg *Cmsghdr) SetLen(length int) {
    45  	cmsg.Len = uint32(length)
    46  }
    47  
    48  func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
    49  	var length = uint64(count)
    50  
    51  	_, _, e1 := syscall6(abi.FuncPCABI0(libc_sendfile_trampoline), uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
    52  
    53  	written = int(length)
    54  
    55  	if e1 != 0 {
    56  		err = e1
    57  	}
    58  	return
    59  }
    60  
    61  func libc_sendfile_trampoline()
    62  
    63  //go:cgo_import_dynamic libc_sendfile sendfile "/usr/lib/libSystem.B.dylib"
    64  
    65  // Implemented in the runtime package (runtime/sys_darwin_64.go)
    66  func syscallX(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
    67  
    68  func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic