Source file src/pkg/syscall/syscall_darwin_arm64.go

     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 "unsafe"
     8	
     9	func setTimespec(sec, nsec int64) Timespec {
    10		return Timespec{Sec: int64(sec), Nsec: int64(nsec)}
    11	}
    12	
    13	func setTimeval(sec, usec int64) Timeval {
    14		return Timeval{Sec: int64(sec), Usec: int32(usec)}
    15	}
    16	
    17	//sys	Fstat(fd int, stat *Stat_t) (err error)
    18	//sys	Fstatfs(fd int, stat *Statfs_t) (err error)
    19	//sysnb	Gettimeofday(tp *Timeval) (err error)
    20	//sys	Lstat(path string, stat *Stat_t) (err error)
    21	//sys	Stat(path string, stat *Stat_t) (err error)
    22	//sys	Statfs(path string, stat *Statfs_t) (err error)
    23	//sys   fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
    24	
    25	// Marked nosplit because it is called from forkAndExecInChild where
    26	// stack growth is forbidden.
    27	//go:nosplit
    28	func ptrace(request int, pid int, addr uintptr, data uintptr) error {
    29		return ENOTSUP
    30	}
    31	
    32	func SetKevent(k *Kevent_t, fd, mode, flags int) {
    33		k.Ident = uint64(fd)
    34		k.Filter = int16(mode)
    35		k.Flags = uint16(flags)
    36	}
    37	
    38	func (iov *Iovec) SetLen(length int) {
    39		iov.Len = uint64(length)
    40	}
    41	
    42	func (msghdr *Msghdr) SetControllen(length int) {
    43		msghdr.Controllen = uint32(length)
    44	}
    45	
    46	func (cmsg *Cmsghdr) SetLen(length int) {
    47		cmsg.Len = uint32(length)
    48	}
    49	
    50	func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
    51		var length = uint64(count)
    52	
    53		_, _, e1 := syscall6(funcPC(libc_sendfile_trampoline), uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
    54	
    55		written = int(length)
    56	
    57		if e1 != 0 {
    58			err = e1
    59		}
    60		return
    61	}
    62	
    63	func libc_sendfile_trampoline()
    64	
    65	//go:linkname libc_sendfile libc_sendfile
    66	//go:cgo_import_dynamic libc_sendfile sendfile "/usr/lib/libSystem.B.dylib"
    67	
    68	// Implemented in the runtime package (runtime/sys_darwin_64.go)
    69	func syscallX(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
    70	
    71	func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic
    72	

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