diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_dragonfly.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_dragonfly.go | 541 |
1 files changed, 541 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go new file mode 100644 index 0000000..5af108a --- /dev/null +++ b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go @@ -0,0 +1,541 @@ +// 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 + } + p[0], p[1], err = pipe() + 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. + p[0], p[1], err = pipe2(&pp, flags) + 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 +} + +func setattrlistTimes(path string, times []Timespec, flags int) error { + // used on Darwin for UtimesNano + return ENOSYS +} + +//sys ioctl(fd int, req uint, arg uintptr) (err error) + +//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 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 Setrlimit(which int, lim *Rlimit) (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 readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ +//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE +//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) + +/* + * Unimplemented + * TODO(jsing): Update this list for DragonFly. + */ +// Profil +// Sigaction +// Sigprocmask +// Getlogin +// Sigpending +// Sigaltstack +// Reboot +// Execve +// Vfork +// Sbrk +// Sstk +// Ovadvise +// Mincore +// Setitimer +// Swapon +// Select +// Sigsuspend +// Readv +// Writev +// Nfssvc +// Getfh +// Quotactl +// Mount +// Csops +// Waitid +// Add_profil +// Kdebug_trace +// Sigreturn +// Atsocket +// Kqueue_from_portset_np +// Kqueue_portset +// Getattrlist +// Setattrlist +// Getdirentriesattr +// Searchfs +// Delete +// Copyfile +// Watchevent +// Waitevent +// Modwatch +// Getxattr +// Fgetxattr +// Setxattr +// Fsetxattr +// Removexattr +// Fremovexattr +// Listxattr +// Flistxattr +// Fsctl +// Initgroups +// Posix_spawn +// Nfsclnt +// Fhopen +// Minherit +// Semsys +// Msgsys +// Shmsys +// Semctl +// Semget +// Semop +// Msgctl +// Msgget +// Msgsnd +// Msgrcv +// Shmat +// Shmctl +// Shmdt +// Shmget +// Shm_open +// Shm_unlink +// Sem_open +// Sem_close +// Sem_unlink +// Sem_wait +// Sem_trywait +// Sem_post +// Sem_getvalue +// Sem_init +// Sem_destroy +// Open_extended +// Umask_extended +// Stat_extended +// Lstat_extended +// Fstat_extended +// Chmod_extended +// Fchmod_extended +// Access_extended +// Settid +// Gettid +// Setsgroups +// Getsgroups +// Setwgroups +// Getwgroups +// Mkfifo_extended +// Mkdir_extended +// Identitysvc +// Shared_region_check_np +// Shared_region_map_np +// __pthread_mutex_destroy +// __pthread_mutex_init +// __pthread_mutex_lock +// __pthread_mutex_trylock +// __pthread_mutex_unlock +// __pthread_cond_init +// __pthread_cond_destroy +// __pthread_cond_broadcast +// __pthread_cond_signal +// Setsid_with_pid +// __pthread_cond_timedwait +// Aio_fsync +// Aio_return +// Aio_suspend +// Aio_cancel +// Aio_error +// Aio_read +// Aio_write +// Lio_listio +// __pthread_cond_wait +// Iopolicysys +// __pthread_kill +// __pthread_sigmask +// __sigwait +// __disable_threadsignal +// __pthread_markcancel +// __pthread_canceled +// __semwait_signal +// Proc_info +// Stat64_extended +// Lstat64_extended +// Fstat64_extended +// __pthread_chdir +// __pthread_fchdir +// Audit +// Auditon +// Getauid +// Setauid +// Getaudit +// Setaudit +// Getaudit_addr +// Setaudit_addr +// Auditctl +// Bsdthread_create +// Bsdthread_terminate +// Stack_snapshot +// Bsdthread_register +// Workq_open +// Workq_ops +// __mac_execve +// __mac_syscall +// __mac_get_file +// __mac_set_file +// __mac_get_link +// __mac_set_link +// __mac_get_proc +// __mac_set_proc +// __mac_get_fd +// __mac_set_fd +// __mac_get_pid +// __mac_get_lcid +// __mac_get_lctx +// __mac_set_lctx +// Setlcid +// Read_nocancel +// Write_nocancel +// Open_nocancel +// Close_nocancel +// Wait4_nocancel +// Recvmsg_nocancel +// Sendmsg_nocancel +// Recvfrom_nocancel +// Accept_nocancel +// Fcntl_nocancel +// Select_nocancel +// Fsync_nocancel +// Connect_nocancel +// Sigsuspend_nocancel +// Readv_nocancel +// Writev_nocancel +// Sendto_nocancel +// Pread_nocancel +// Pwrite_nocancel +// Waitid_nocancel +// Msgsnd_nocancel +// Msgrcv_nocancel +// Sem_wait_nocancel +// Aio_suspend_nocancel +// __sigwait_nocancel +// __semwait_signal_nocancel +// __mac_mount +// __mac_get_mount +// __mac_getfsstat |