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opt / golang / 1.22.0 / src / cmd / vendor / golang.org / x / sys / unix /

📁 ..
📄 .gitignore(16 B)
📄 README.md(8.48 KB)
📄 affinity_linux.go(1.88 KB)
📄 aliases.go(396 B)
📄 asm_aix_ppc64.s(407 B)
📄 asm_bsd_386.s(696 B)
📄 asm_bsd_amd64.s(722 B)
📄 asm_bsd_arm.s(686 B)
📄 asm_bsd_arm64.s(709 B)
📄 asm_bsd_ppc64.s(716 B)
📄 asm_bsd_riscv64.s(711 B)
📄 asm_linux_386.s(1.44 KB)
📄 asm_linux_amd64.s(1.18 KB)
📄 asm_linux_arm.s(1.11 KB)
📄 asm_linux_arm64.s(1.08 KB)
📄 asm_linux_loong64.s(1.16 KB)
📄 asm_linux_mips64x.s(1.14 KB)
📄 asm_linux_mipsx.s(1.14 KB)
📄 asm_linux_ppc64x.s(909 B)
📄 asm_linux_riscv64.s(1.02 KB)
📄 asm_linux_s390x.s(1.12 KB)
📄 asm_openbsd_mips64.s(677 B)
📄 asm_solaris_amd64.s(423 B)
📄 asm_zos_s390x.s(8.4 KB)
📄 bluetooth_linux.go(680 B)
📄 cap_freebsd.go(5.01 KB)
📄 constants.go(318 B)
📄 dev_aix_ppc.go(739 B)
📄 dev_aix_ppc64.go(858 B)
📄 dev_darwin.go(747 B)
📄 dev_dragonfly.go(1.01 KB)
📄 dev_freebsd.go(1013 B)
📄 dev_linux.go(1.54 KB)
📄 dev_netbsd.go(913 B)
📄 dev_openbsd.go(918 B)
📄 dev_zos.go(830 B)
📄 dirent.go(3.01 KB)
📄 endian_big.go(330 B)
📄 endian_little.go(358 B)
📄 env_unix.go(645 B)
📄 epoll_zos.go(5.02 KB)
📄 fcntl.go(1.05 KB)
📄 fcntl_darwin.go(806 B)
📄 fcntl_linux_32bit.go(436 B)
📄 fdset.go(781 B)
📄 fstatfs_zos.go(4.07 KB)
📄 gccgo.go(1.91 KB)
📄 gccgo_c.c(1.49 KB)
📄 gccgo_linux_amd64.go(436 B)
📄 ifreq_linux.go(4.27 KB)
📄 ioctl_linux.go(8.07 KB)
📄 ioctl_signed.go(2.2 KB)
📄 ioctl_unsigned.go(2.26 KB)
📄 ioctl_zos.go(2.03 KB)
📄 mkall.sh(8.11 KB)
📄 mkerrors.sh(19.56 KB)
📄 mmap_nomremap.go(336 B)
📄 mremap.go(1.36 KB)
📄 pagesize_unix.go(389 B)
📄 pledge_openbsd.go(2.33 KB)
📄 ptrace_darwin.go(315 B)
📄 ptrace_ios.go(284 B)
📄 race.go(629 B)
📄 race0.go(553 B)
📄 readdirent_getdents.go(401 B)
📄 readdirent_getdirentries.go(698 B)
📄 sockcmsg_dragonfly.go(544 B)
📄 sockcmsg_linux.go(2.6 KB)
📄 sockcmsg_unix.go(3.14 KB)
📄 sockcmsg_unix_other.go(1.2 KB)
📄 syscall.go(2.81 KB)
📄 syscall_aix.go(16.1 KB)
📄 syscall_aix_ppc.go(1.27 KB)
📄 syscall_aix_ppc64.go(1.9 KB)
📄 syscall_bsd.go(14.96 KB)
📄 syscall_darwin.go(20.72 KB)
📄 syscall_darwin_amd64.go(1.49 KB)
📄 syscall_darwin_arm64.go(1.41 KB)
📄 syscall_darwin_libSystem.go(1.21 KB)
📄 syscall_dragonfly.go(11.18 KB)
📄 syscall_dragonfly_amd64.go(1.25 KB)
📄 syscall_freebsd.go(15.34 KB)
📄 syscall_freebsd_386.go(1.48 KB)
📄 syscall_freebsd_amd64.go(1.44 KB)
📄 syscall_freebsd_arm.go(1.35 KB)
📄 syscall_freebsd_arm64.go(1.31 KB)
📄 syscall_freebsd_riscv64.go(1.32 KB)
📄 syscall_hurd.go(635 B)
📄 syscall_hurd_386.go(447 B)
📄 syscall_illumos.go(1.76 KB)
📄 syscall_linux.go(74.41 KB)
📄 syscall_linux_386.go(8.88 KB)
📄 syscall_linux_alarm.go(440 B)
📄 syscall_linux_amd64.go(5.28 KB)
📄 syscall_linux_amd64_gc.go(290 B)
📄 syscall_linux_arm.go(6.94 KB)
📄 syscall_linux_arm64.go(5.97 KB)
📄 syscall_linux_gc.go(495 B)
📄 syscall_linux_gc_386.go(585 B)
📄 syscall_linux_gc_arm.go(411 B)
📄 syscall_linux_gccgo_386.go(986 B)
📄 syscall_linux_gccgo_arm.go(596 B)
📄 syscall_linux_loong64.go(6.66 KB)
📄 syscall_linux_mips64x.go(5.83 KB)
📄 syscall_linux_mipsx.go(5.81 KB)
📄 syscall_linux_ppc.go(6.85 KB)
📄 syscall_linux_ppc64x.go(4.98 KB)
📄 syscall_linux_riscv64.go(6.13 KB)
📄 syscall_linux_s390x.go(9.29 KB)
📄 syscall_linux_sparc64.go(4.37 KB)
📄 syscall_netbsd.go(12.35 KB)
📄 syscall_netbsd_386.go(819 B)
📄 syscall_netbsd_amd64.go(814 B)
📄 syscall_netbsd_arm.go(819 B)
📄 syscall_netbsd_arm64.go(814 B)
📄 syscall_openbsd.go(11.04 KB)
📄 syscall_openbsd_386.go(1000 B)
📄 syscall_openbsd_amd64.go(990 B)
📄 syscall_openbsd_arm.go(1000 B)
📄 syscall_openbsd_arm64.go(990 B)
📄 syscall_openbsd_libc.go(1.1 KB)
📄 syscall_openbsd_mips64.go(955 B)
📄 syscall_openbsd_ppc64.go(990 B)
📄 syscall_openbsd_riscv64.go(994 B)
📄 syscall_solaris.go(31.11 KB)
📄 syscall_solaris_amd64.go(593 B)
📄 syscall_unix.go(16.45 KB)
📄 syscall_unix_gc.go(640 B)
📄 syscall_unix_gc_ppc64x.go(786 B)
📄 syscall_zos_s390x.go(52.88 KB)
📄 sysvshm_linux.go(521 B)
📄 sysvshm_unix.go(1.42 KB)
📄 sysvshm_unix_other.go(398 B)
📄 timestruct.go(2.2 KB)
📄 unveil_openbsd.go(1.19 KB)
📄 xattr_bsd.go(5.66 KB)
📄 zerrors_aix_ppc.go(52.42 KB)
📄 zerrors_aix_ppc64.go(52.67 KB)
📄 zerrors_darwin_amd64.go(87.45 KB)
📄 zerrors_darwin_arm64.go(87.45 KB)
📄 zerrors_dragonfly_amd64.go(70.7 KB)
📄 zerrors_freebsd_386.go(79.55 KB)
📄 zerrors_freebsd_amd64.go(79.44 KB)
📄 zerrors_freebsd_arm.go(79.19 KB)
📄 zerrors_freebsd_arm64.go(79.22 KB)
📄 zerrors_freebsd_riscv64.go(83.75 KB)
📄 zerrors_linux.go(180.01 KB)
📄 zerrors_linux_386.go(33.98 KB)
📄 zerrors_linux_amd64.go(34 KB)
📄 zerrors_linux_arm.go(34.22 KB)
📄 zerrors_linux_arm64.go(34.05 KB)
📄 zerrors_linux_loong64.go(33.73 KB)
📄 zerrors_linux_mips.go(34.54 KB)
📄 zerrors_linux_mips64.go(34.54 KB)
📄 zerrors_linux_mips64le.go(34.55 KB)
📄 zerrors_linux_mipsle.go(34.54 KB)
📄 zerrors_linux_ppc.go(36.62 KB)
📄 zerrors_linux_ppc64.go(36.79 KB)
📄 zerrors_linux_ppc64le.go(36.8 KB)
📄 zerrors_linux_riscv64.go(33.59 KB)
📄 zerrors_linux_s390x.go(36.53 KB)
📄 zerrors_linux_sparc64.go(38.61 KB)
📄 zerrors_netbsd_386.go(72.76 KB)
📄 zerrors_netbsd_amd64.go(72.35 KB)
📄 zerrors_netbsd_arm.go(71.89 KB)
📄 zerrors_netbsd_arm64.go(72.35 KB)
📄 zerrors_openbsd_386.go(78.55 KB)
📄 zerrors_openbsd_amd64.go(78.55 KB)
📄 zerrors_openbsd_arm.go(78.54 KB)
📄 zerrors_openbsd_arm64.go(78.55 KB)
📄 zerrors_openbsd_mips64.go(78.55 KB)
📄 zerrors_openbsd_ppc64.go(78.51 KB)
📄 zerrors_openbsd_riscv64.go(78.47 KB)
📄 zerrors_solaris_amd64.go(59 KB)
📄 zerrors_zos_s390x.go(34.47 KB)
📄 zptrace_armnn_linux.go(1.17 KB)
📄 zptrace_linux_arm64.go(721 B)
📄 zptrace_mipsnn_linux.go(1.36 KB)
📄 zptrace_mipsnnle_linux.go(1.41 KB)
📄 zptrace_x86_linux.go(1.81 KB)
📄 zsyscall_aix_ppc.go(35.68 KB)
📄 zsyscall_aix_ppc64.go(30.04 KB)
📄 zsyscall_aix_ppc64_gc.go(42.43 KB)
📄 zsyscall_aix_ppc64_gccgo.go(30.85 KB)
📄 zsyscall_darwin_amd64.go(66.74 KB)
📄 zsyscall_darwin_amd64.s(29.28 KB)
📄 zsyscall_darwin_arm64.go(66.69 KB)
📄 zsyscall_darwin_arm64.s(29.21 KB)
📄 zsyscall_dragonfly_amd64.go(38.79 KB)
📄 zsyscall_freebsd_386.go(45.09 KB)
📄 zsyscall_freebsd_amd64.go(44.9 KB)
📄 zsyscall_freebsd_arm.go(45.13 KB)
📄 zsyscall_freebsd_arm64.go(44.9 KB)
📄 zsyscall_freebsd_riscv64.go(44.91 KB)
📄 zsyscall_illumos_amd64.go(2.63 KB)
📄 zsyscall_linux.go(54.29 KB)
📄 zsyscall_linux_386.go(12.11 KB)
📄 zsyscall_linux_amd64.go(16.5 KB)
📄 zsyscall_linux_arm.go(15.61 KB)
📄 zsyscall_linux_arm64.go(14.22 KB)
📄 zsyscall_linux_loong64.go(12.61 KB)
📄 zsyscall_linux_mips.go(16.76 KB)
📄 zsyscall_linux_mips64.go(16.27 KB)
📄 zsyscall_linux_mips64le.go(16.01 KB)
📄 zsyscall_linux_mipsle.go(16.76 KB)
📄 zsyscall_linux_ppc.go(16.83 KB)
📄 zsyscall_linux_ppc64.go(17.79 KB)
📄 zsyscall_linux_ppc64le.go(17.79 KB)
📄 zsyscall_linux_riscv64.go(14.2 KB)
📄 zsyscall_linux_s390x.go(12.11 KB)
📄 zsyscall_linux_sparc64.go(16.43 KB)
📄 zsyscall_netbsd_386.go(44.13 KB)
📄 zsyscall_netbsd_amd64.go(43.94 KB)
📄 zsyscall_netbsd_arm.go(44.13 KB)
📄 zsyscall_netbsd_arm64.go(43.94 KB)
📄 zsyscall_openbsd_386.go(57.67 KB)
📄 zsyscall_openbsd_386.s(26.7 KB)
📄 zsyscall_openbsd_amd64.go(57.52 KB)
📄 zsyscall_openbsd_amd64.s(26.7 KB)
📄 zsyscall_openbsd_arm.go(57.69 KB)
📄 zsyscall_openbsd_arm.s(26.7 KB)
📄 zsyscall_openbsd_arm64.go(57.52 KB)
📄 zsyscall_openbsd_arm64.s(26.7 KB)
📄 zsyscall_openbsd_mips64.go(57.52 KB)
📄 zsyscall_openbsd_mips64.s(26.7 KB)
📄 zsyscall_openbsd_ppc64.go(57.52 KB)
📄 zsyscall_openbsd_ppc64.s(27.51 KB)
📄 zsyscall_openbsd_riscv64.go(57.53 KB)
📄 zsyscall_openbsd_riscv64.s(26.7 KB)
📄 zsyscall_solaris_amd64.go(59.74 KB)
📄 zsyscall_zos_s390x.go(29.82 KB)
📄 zsysctl_openbsd_386.go(11.93 KB)
📄 zsysctl_openbsd_amd64.go(11.93 KB)
📄 zsysctl_openbsd_arm.go(11.93 KB)
📄 zsysctl_openbsd_arm64.go(11.93 KB)
📄 zsysctl_openbsd_mips64.go(11.93 KB)
📄 zsysctl_openbsd_ppc64.go(11.93 KB)
📄 zsysctl_openbsd_riscv64.go(11.97 KB)
📄 zsysnum_darwin_amd64.go(17.84 KB)
📄 zsysnum_darwin_arm64.go(17.76 KB)
📄 zsysnum_dragonfly_amd64.go(27.61 KB)
📄 zsysnum_freebsd_386.go(36.09 KB)
📄 zsysnum_freebsd_amd64.go(36.1 KB)
📄 zsysnum_freebsd_arm.go(36.09 KB)
📄 zsysnum_freebsd_arm64.go(36.1 KB)
📄 zsysnum_freebsd_riscv64.go(36.1 KB)
📄 zsysnum_linux_386.go(17.38 KB)
📄 zsysnum_linux_amd64.go(12.59 KB)
📄 zsysnum_linux_arm.go(15.99 KB)
📄 zsysnum_linux_arm64.go(10.69 KB)
📄 zsysnum_linux_loong64.go(10.48 KB)
📄 zsysnum_linux_mips.go(17.27 KB)
📄 zsysnum_linux_mips64.go(12.74 KB)
📄 zsysnum_linux_mips64le.go(12.74 KB)
📄 zsysnum_linux_mipsle.go(17.28 KB)
📄 zsysnum_linux_ppc.go(17.02 KB)
📄 zsysnum_linux_ppc64.go(13.95 KB)
📄 zsysnum_linux_ppc64le.go(13.96 KB)
📄 zsysnum_linux_riscv64.go(10.71 KB)
📄 zsysnum_linux_s390x.go(12.84 KB)
📄 zsysnum_linux_sparc64.go(13.26 KB)
📄 zsysnum_netbsd_386.go(25.72 KB)
📄 zsysnum_netbsd_amd64.go(25.73 KB)
📄 zsysnum_netbsd_arm.go(25.72 KB)
📄 zsysnum_netbsd_arm64.go(25.71 KB)
📄 zsysnum_openbsd_386.go(17.91 KB)
📄 zsysnum_openbsd_amd64.go(17.91 KB)
📄 zsysnum_openbsd_arm.go(17.91 KB)
📄 zsysnum_openbsd_arm64.go(17.82 KB)
📄 zsysnum_openbsd_mips64.go(18.05 KB)
📄 zsysnum_openbsd_ppc64.go(17.76 KB)
📄 zsysnum_openbsd_riscv64.go(17.83 KB)
📄 zsysnum_zos_s390x.go(116.99 KB)
📄 ztypes_aix_ppc.go(4.91 KB)
📄 ztypes_aix_ppc64.go(4.98 KB)
📄 ztypes_darwin_amd64.go(12.4 KB)
📄 ztypes_darwin_arm64.go(12.4 KB)
📄 ztypes_dragonfly_amd64.go(6.91 KB)
📄 ztypes_freebsd_386.go(9.63 KB)
📄 ztypes_freebsd_amd64.go(9.68 KB)
📄 ztypes_freebsd_arm.go(9.5 KB)
📄 ztypes_freebsd_arm64.go(9.39 KB)
📄 ztypes_freebsd_riscv64.go(9.46 KB)
📄 ztypes_linux.go(246.65 KB)
📄 ztypes_linux_386.go(12.37 KB)
📄 ztypes_linux_amd64.go(12.56 KB)
📄 ztypes_linux_arm.go(12.33 KB)
📄 ztypes_linux_arm64.go(12.21 KB)
📄 ztypes_linux_loong64.go(12.23 KB)
📄 ztypes_linux_mips.go(12.39 KB)
📄 ztypes_linux_mips64.go(12.26 KB)
📄 ztypes_linux_mips64le.go(12.27 KB)
📄 ztypes_linux_mipsle.go(12.4 KB)
📄 ztypes_linux_ppc.go(12.57 KB)
📄 ztypes_linux_ppc64.go(12.4 KB)
📄 ztypes_linux_ppc64le.go(12.41 KB)
📄 ztypes_linux_riscv64.go(13.44 KB)
📄 ztypes_linux_s390x.go(12.7 KB)
📄 ztypes_linux_sparc64.go(12.26 KB)
📄 ztypes_netbsd_386.go(9.46 KB)
📄 ztypes_netbsd_amd64.go(9.65 KB)
📄 ztypes_netbsd_arm.go(9.59 KB)
📄 ztypes_netbsd_arm64.go(9.65 KB)
📄 ztypes_openbsd_386.go(9.24 KB)
📄 ztypes_openbsd_amd64.go(9.25 KB)
📄 ztypes_openbsd_arm.go(9.38 KB)
📄 ztypes_openbsd_arm64.go(9.26 KB)
📄 ztypes_openbsd_mips64.go(9.26 KB)
📄 ztypes_openbsd_ppc64.go(9.28 KB)
📄 ztypes_openbsd_riscv64.go(9.29 KB)
📄 ztypes_solaris_amd64.go(7.53 KB)
📄 ztypes_zos_s390x.go(6.66 KB)

Editing: syscall_dragonfly.go

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// DragonFly BSD system calls.
// This file is compiled as ordinary Go code,
// but it is also input to mksyscall,
// which parses the //sys lines and generates system call stubs.
// Note that sometimes we use a lowercase //sys name and wrap
// it in our own nicer implementation, either here or in
// syscall_bsd.go or syscall_unix.go.

package unix

import (
	"sync"
	"unsafe"
)

// See version list in https://github.com/DragonFlyBSD/DragonFlyBSD/blob/master/sys/sys/param.h
var (
	osreldateOnce sync.Once
	osreldate     uint32
)

// First __DragonFly_version after September 2019 ABI changes
// http://lists.dragonflybsd.org/pipermail/users/2019-September/358280.html
const _dragonflyABIChangeVersion = 500705

func supportsABI(ver uint32) bool {
	osreldateOnce.Do(func() { osreldate, _ = SysctlUint32("kern.osreldate") })
	return osreldate >= ver
}

// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
type SockaddrDatalink struct {
	Len    uint8
	Family uint8
	Index  uint16
	Type   uint8
	Nlen   uint8
	Alen   uint8
	Slen   uint8
	Data   [12]int8
	Rcf    uint16
	Route  [16]uint16
	raw    RawSockaddrDatalink
}

func anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
	return nil, EAFNOSUPPORT
}

// Translate "kern.hostname" to []_C_int{0,1,2,3}.
func nametomib(name string) (mib []_C_int, err error) {
	const siz = unsafe.Sizeof(mib[0])

// NOTE(rsc): It seems strange to set the buffer to have
	// size CTL_MAXNAME+2 but use only CTL_MAXNAME
	// as the size. I don't know why the +2 is here, but the
	// kernel uses +2 for its own implementation of this function.
	// I am scared that if we don't include the +2 here, the kernel
	// will silently write 2 words farther than we specify
	// and we'll get memory corruption.
	var buf [CTL_MAXNAME + 2]_C_int
	n := uintptr(CTL_MAXNAME) * siz

p := (*byte)(unsafe.Pointer(&buf[0]))
	bytes, err := ByteSliceFromString(name)
	if err != nil {
		return nil, err
	}

// Magic sysctl: "setting" 0.3 to a string name
	// lets you read back the array of integers form.
	if err = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); err != nil {
		return nil, err
	}
	return buf[0 : n/siz], nil
}

func direntIno(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
}

func direntReclen(buf []byte) (uint64, bool) {
	namlen, ok := direntNamlen(buf)
	if !ok {
		return 0, false
	}
	return (16 + namlen + 1 + 7) &^ 7, true
}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}

//sysnb	pipe() (r int, w int, err error)

func Pipe(p []int) (err error) {
	if len(p) != 2 {
		return EINVAL
	}
	r, w, err := pipe()
	if err == nil {
		p[0], p[1] = r, w
	}
	return
}

//sysnb	pipe2(p *[2]_C_int, flags int) (r int, w int, err error)

func Pipe2(p []int, flags int) (err error) {
	if len(p) != 2 {
		return EINVAL
	}
	var pp [2]_C_int
	// pipe2 on dragonfly takes an fds array as an argument, but still
	// returns the file descriptors.
	r, w, err := pipe2(&pp, flags)
	if err == nil {
		p[0], p[1] = r, w
	}
	return err
}

//sys	extpread(fd int, p []byte, flags int, offset int64) (n int, err error)

func pread(fd int, p []byte, offset int64) (n int, err error) {
	return extpread(fd, p, 0, offset)
}

//sys	extpwrite(fd int, p []byte, flags int, offset int64) (n int, err error)

func pwrite(fd int, p []byte, offset int64) (n int, err error) {
	return extpwrite(fd, p, 0, offset)
}

func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
	var rsa RawSockaddrAny
	var len _Socklen = SizeofSockaddrAny
	nfd, err = accept4(fd, &rsa, &len, flags)
	if err != nil {
		return
	}
	if len > SizeofSockaddrAny {
		panic("RawSockaddrAny too small")
	}
	sa, err = anyToSockaddr(fd, &rsa)
	if err != nil {
		Close(nfd)
		nfd = 0
	}
	return
}

//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD

func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
	var _p0 unsafe.Pointer
	var bufsize uintptr
	if len(buf) > 0 {
		_p0 = unsafe.Pointer(&buf[0])
		bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
	}
	r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
	n = int(r0)
	if e1 != 0 {
		err = e1
	}
	return
}

//sys	ioctl(fd int, req uint, arg uintptr) (err error)
//sys	ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL

//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL

func sysctlUname(mib []_C_int, old *byte, oldlen *uintptr) error {
	err := sysctl(mib, old, oldlen, nil, 0)
	if err != nil {
		// Utsname members on Dragonfly are only 32 bytes and
		// the syscall returns ENOMEM in case the actual value
		// is longer.
		if err == ENOMEM {
			err = nil
		}
	}
	return err
}

func Uname(uname *Utsname) error {
	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
	n := unsafe.Sizeof(uname.Sysname)
	if err := sysctlUname(mib, &uname.Sysname[0], &n); err != nil {
		return err
	}
	uname.Sysname[unsafe.Sizeof(uname.Sysname)-1] = 0

mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
	n = unsafe.Sizeof(uname.Nodename)
	if err := sysctlUname(mib, &uname.Nodename[0], &n); err != nil {
		return err
	}
	uname.Nodename[unsafe.Sizeof(uname.Nodename)-1] = 0

mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
	n = unsafe.Sizeof(uname.Release)
	if err := sysctlUname(mib, &uname.Release[0], &n); err != nil {
		return err
	}
	uname.Release[unsafe.Sizeof(uname.Release)-1] = 0

mib = []_C_int{CTL_KERN, KERN_VERSION}
	n = unsafe.Sizeof(uname.Version)
	if err := sysctlUname(mib, &uname.Version[0], &n); err != nil {
		return err
	}

// The version might have newlines or tabs in it, convert them to
	// spaces.
	for i, b := range uname.Version {
		if b == '\n' || b == '\t' {
			if i == len(uname.Version)-1 {
				uname.Version[i] = 0
			} else {
				uname.Version[i] = ' '
			}
		}
	}

mib = []_C_int{CTL_HW, HW_MACHINE}
	n = unsafe.Sizeof(uname.Machine)
	if err := sysctlUname(mib, &uname.Machine[0], &n); err != nil {
		return err
	}
	uname.Machine[unsafe.Sizeof(uname.Machine)-1] = 0

return nil
}

func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
	if raceenabled {
		raceReleaseMerge(unsafe.Pointer(&ioSync))
	}
	return sendfile(outfd, infd, offset, count)
}

/*
 * Exposed directly
 */
//sys	Access(path string, mode uint32) (err error)
//sys	Adjtime(delta *Timeval, olddelta *Timeval) (err error)
//sys	Chdir(path string) (err error)
//sys	Chflags(path string, flags int) (err error)
//sys	Chmod(path string, mode uint32) (err error)
//sys	Chown(path string, uid int, gid int) (err error)
//sys	Chroot(path string) (err error)
//sys	ClockGettime(clockid int32, time *Timespec) (err error)
//sys	Close(fd int) (err error)
//sys	Dup(fd int) (nfd int, err error)
//sys	Dup2(from int, to int) (err error)
//sys	Exit(code int)
//sys	Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)
//sys	Fchmod(fd int, mode uint32) (err error)
//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
//sys	Flock(fd int, how int) (err error)
//sys	Fpathconf(fd int, name int) (val int, err error)
//sys	Fstat(fd int, stat *Stat_t) (err error)
//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
//sys	Fstatfs(fd int, stat *Statfs_t) (err error)
//sys	Fsync(fd int) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sys	Getdents(fd int, buf []byte) (n int, err error)
//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error)
//sys	Getdtablesize() (size int)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (uid int)
//sysnb	Getgid() (gid int)
//sysnb	Getpgid(pid int) (pgid int, err error)
//sysnb	Getpgrp() (pgrp int)
//sysnb	Getpid() (pid int)
//sysnb	Getppid() (ppid int)
//sys	Getpriority(which int, who int) (prio int, err error)
//sysnb	Getrlimit(which int, lim *Rlimit) (err error)
//sysnb	Getrusage(who int, rusage *Rusage) (err error)
//sysnb	Getsid(pid int) (sid int, err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)
//sysnb	Getuid() (uid int)
//sys	Issetugid() (tainted bool)
//sys	Kill(pid int, signum syscall.Signal) (err error)
//sys	Kqueue() (fd int, err error)
//sys	Lchown(path string, uid int, gid int) (err error)
//sys	Link(path string, link string) (err error)
//sys	Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
//sys	Listen(s int, backlog int) (err error)
//sys	Lstat(path string, stat *Stat_t) (err error)
//sys	Mkdir(path string, mode uint32) (err error)
//sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
//sys	Mkfifo(path string, mode uint32) (err error)
//sys	Mknod(path string, mode uint32, dev int) (err error)
//sys	Mknodat(fd int, path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	read(fd int, p []byte) (n int, err error)
//sys	Readlink(path string, buf []byte) (n int, err error)
//sys	Rename(from string, to string) (err error)
//sys	Renameat(fromfd int, from string, tofd int, to string) (err error)
//sys	Revoke(path string) (err error)
//sys	Rmdir(path string) (err error)
//sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
//sysnb	Setegid(egid int) (err error)
//sysnb	Seteuid(euid int) (err error)
//sysnb	Setgid(gid int) (err error)
//sys	Setlogin(name string) (err error)
//sysnb	Setpgid(pid int, pgid int) (err error)
//sys	Setpriority(which int, who int, prio int) (err error)
//sysnb	Setregid(rgid int, egid int) (err error)
//sysnb	Setreuid(ruid int, euid int) (err error)
//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
//sysnb	Setsid() (pid int, err error)
//sysnb	Settimeofday(tp *Timeval) (err error)
//sysnb	Setuid(uid int) (err error)
//sys	Stat(path string, stat *Stat_t) (err error)
//sys	Statfs(path string, stat *Statfs_t) (err error)
//sys	Symlink(path string, link string) (err error)
//sys	Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
//sys	Sync() (err error)
//sys	Truncate(path string, length int64) (err error)
//sys	Umask(newmask int) (oldmask int)
//sys	Undelete(path string) (err error)
//sys	Unlink(path string) (err error)
//sys	Unlinkat(dirfd int, path string, flags int) (err error)
//sys	Unmount(path string, flags int) (err error)
//sys	write(fd int, p []byte) (n int, err error)
//sys	mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
//sys	munmap(addr uintptr, length uintptr) (err error)
//sys	accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error)
//sys	utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)

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Editing: syscall_dragonfly.go

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