github.com/fletavendor/sys@v0.0.0-20181107165924-66b7b1311ac8/unix/syscall_openbsd.go (about) 1 // Copyright 2009,2010 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 // OpenBSD system calls. 6 // This file is compiled as ordinary Go code, 7 // but it is also input to mksyscall, 8 // which parses the //sys lines and generates system call stubs. 9 // Note that sometimes we use a lowercase //sys name and wrap 10 // it in our own nicer implementation, either here or in 11 // syscall_bsd.go or syscall_unix.go. 12 13 package unix 14 15 import ( 16 "sort" 17 "syscall" 18 "unsafe" 19 ) 20 21 // SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets. 22 type SockaddrDatalink struct { 23 Len uint8 24 Family uint8 25 Index uint16 26 Type uint8 27 Nlen uint8 28 Alen uint8 29 Slen uint8 30 Data [24]int8 31 raw RawSockaddrDatalink 32 } 33 34 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) 35 36 func nametomib(name string) (mib []_C_int, err error) { 37 i := sort.Search(len(sysctlMib), func(i int) bool { 38 return sysctlMib[i].ctlname >= name 39 }) 40 if i < len(sysctlMib) && sysctlMib[i].ctlname == name { 41 return sysctlMib[i].ctloid, nil 42 } 43 return nil, EINVAL 44 } 45 46 func SysctlUvmexp(name string) (*Uvmexp, error) { 47 mib, err := sysctlmib(name) 48 if err != nil { 49 return nil, err 50 } 51 52 n := uintptr(SizeofUvmexp) 53 var u Uvmexp 54 if err := sysctl(mib, (*byte)(unsafe.Pointer(&u)), &n, nil, 0); err != nil { 55 return nil, err 56 } 57 if n != SizeofUvmexp { 58 return nil, EIO 59 } 60 return &u, nil 61 } 62 63 //sysnb pipe(p *[2]_C_int) (err error) 64 func Pipe(p []int) (err error) { 65 if len(p) != 2 { 66 return EINVAL 67 } 68 var pp [2]_C_int 69 err = pipe(&pp) 70 p[0] = int(pp[0]) 71 p[1] = int(pp[1]) 72 return 73 } 74 75 //sys getdents(fd int, buf []byte) (n int, err error) 76 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 77 return getdents(fd, buf) 78 } 79 80 const ImplementsGetwd = true 81 82 //sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD 83 84 func Getwd() (string, error) { 85 var buf [PathMax]byte 86 _, err := Getcwd(buf[0:]) 87 if err != nil { 88 return "", err 89 } 90 n := clen(buf[:]) 91 if n < 1 { 92 return "", EINVAL 93 } 94 return string(buf[:n]), nil 95 } 96 97 // TODO 98 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 99 return -1, ENOSYS 100 } 101 102 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { 103 var _p0 unsafe.Pointer 104 var bufsize uintptr 105 if len(buf) > 0 { 106 _p0 = unsafe.Pointer(&buf[0]) 107 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) 108 } 109 r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags)) 110 n = int(r0) 111 if e1 != 0 { 112 err = e1 113 } 114 return 115 } 116 117 func setattrlistTimes(path string, times []Timespec, flags int) error { 118 // used on Darwin for UtimesNano 119 return ENOSYS 120 } 121 122 //sys ioctl(fd int, req uint, arg uintptr) (err error) 123 124 // ioctl itself should not be exposed directly, but additional get/set 125 // functions for specific types are permissible. 126 127 // IoctlSetInt performs an ioctl operation which sets an integer value 128 // on fd, using the specified request number. 129 func IoctlSetInt(fd int, req uint, value int) error { 130 return ioctl(fd, req, uintptr(value)) 131 } 132 133 func ioctlSetWinsize(fd int, req uint, value *Winsize) error { 134 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 135 } 136 137 func ioctlSetTermios(fd int, req uint, value *Termios) error { 138 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 139 } 140 141 // IoctlGetInt performs an ioctl operation which gets an integer value 142 // from fd, using the specified request number. 143 func IoctlGetInt(fd int, req uint) (int, error) { 144 var value int 145 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 146 return value, err 147 } 148 149 func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { 150 var value Winsize 151 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 152 return &value, err 153 } 154 155 func IoctlGetTermios(fd int, req uint) (*Termios, error) { 156 var value Termios 157 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 158 return &value, err 159 } 160 161 //sys ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error) 162 163 func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) { 164 if len(fds) == 0 { 165 return ppoll(nil, 0, timeout, sigmask) 166 } 167 return ppoll(&fds[0], len(fds), timeout, sigmask) 168 } 169 170 func Uname(uname *Utsname) error { 171 mib := []_C_int{CTL_KERN, KERN_OSTYPE} 172 n := unsafe.Sizeof(uname.Sysname) 173 if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { 174 return err 175 } 176 177 mib = []_C_int{CTL_KERN, KERN_HOSTNAME} 178 n = unsafe.Sizeof(uname.Nodename) 179 if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { 180 return err 181 } 182 183 mib = []_C_int{CTL_KERN, KERN_OSRELEASE} 184 n = unsafe.Sizeof(uname.Release) 185 if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { 186 return err 187 } 188 189 mib = []_C_int{CTL_KERN, KERN_VERSION} 190 n = unsafe.Sizeof(uname.Version) 191 if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { 192 return err 193 } 194 195 // The version might have newlines or tabs in it, convert them to 196 // spaces. 197 for i, b := range uname.Version { 198 if b == '\n' || b == '\t' { 199 if i == len(uname.Version)-1 { 200 uname.Version[i] = 0 201 } else { 202 uname.Version[i] = ' ' 203 } 204 } 205 } 206 207 mib = []_C_int{CTL_HW, HW_MACHINE} 208 n = unsafe.Sizeof(uname.Machine) 209 if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { 210 return err 211 } 212 213 return nil 214 } 215 216 /* 217 * Exposed directly 218 */ 219 //sys Access(path string, mode uint32) (err error) 220 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 221 //sys Chdir(path string) (err error) 222 //sys Chflags(path string, flags int) (err error) 223 //sys Chmod(path string, mode uint32) (err error) 224 //sys Chown(path string, uid int, gid int) (err error) 225 //sys Chroot(path string) (err error) 226 //sys Close(fd int) (err error) 227 //sys Dup(fd int) (nfd int, err error) 228 //sys Dup2(from int, to int) (err error) 229 //sys Exit(code int) 230 //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) 231 //sys Fchdir(fd int) (err error) 232 //sys Fchflags(fd int, flags int) (err error) 233 //sys Fchmod(fd int, mode uint32) (err error) 234 //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) 235 //sys Fchown(fd int, uid int, gid int) (err error) 236 //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) 237 //sys Flock(fd int, how int) (err error) 238 //sys Fpathconf(fd int, name int) (val int, err error) 239 //sys Fstat(fd int, stat *Stat_t) (err error) 240 //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) 241 //sys Fstatfs(fd int, stat *Statfs_t) (err error) 242 //sys Fsync(fd int) (err error) 243 //sys Ftruncate(fd int, length int64) (err error) 244 //sysnb Getegid() (egid int) 245 //sysnb Geteuid() (uid int) 246 //sysnb Getgid() (gid int) 247 //sysnb Getpgid(pid int) (pgid int, err error) 248 //sysnb Getpgrp() (pgrp int) 249 //sysnb Getpid() (pid int) 250 //sysnb Getppid() (ppid int) 251 //sys Getpriority(which int, who int) (prio int, err error) 252 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 253 //sysnb Getrtable() (rtable int, err error) 254 //sysnb Getrusage(who int, rusage *Rusage) (err error) 255 //sysnb Getsid(pid int) (sid int, err error) 256 //sysnb Gettimeofday(tv *Timeval) (err error) 257 //sysnb Getuid() (uid int) 258 //sys Issetugid() (tainted bool) 259 //sys Kill(pid int, signum syscall.Signal) (err error) 260 //sys Kqueue() (fd int, err error) 261 //sys Lchown(path string, uid int, gid int) (err error) 262 //sys Link(path string, link string) (err error) 263 //sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) 264 //sys Listen(s int, backlog int) (err error) 265 //sys Lstat(path string, stat *Stat_t) (err error) 266 //sys Mkdir(path string, mode uint32) (err error) 267 //sys Mkdirat(dirfd int, path string, mode uint32) (err error) 268 //sys Mkfifo(path string, mode uint32) (err error) 269 //sys Mkfifoat(dirfd int, path string, mode uint32) (err error) 270 //sys Mknod(path string, mode uint32, dev int) (err error) 271 //sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) 272 //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 273 //sys Open(path string, mode int, perm uint32) (fd int, err error) 274 //sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) 275 //sys Pathconf(path string, name int) (val int, err error) 276 //sys Pread(fd int, p []byte, offset int64) (n int, err error) 277 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 278 //sys read(fd int, p []byte) (n int, err error) 279 //sys Readlink(path string, buf []byte) (n int, err error) 280 //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) 281 //sys Rename(from string, to string) (err error) 282 //sys Renameat(fromfd int, from string, tofd int, to string) (err error) 283 //sys Revoke(path string) (err error) 284 //sys Rmdir(path string) (err error) 285 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 286 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 287 //sysnb Setegid(egid int) (err error) 288 //sysnb Seteuid(euid int) (err error) 289 //sysnb Setgid(gid int) (err error) 290 //sys Setlogin(name string) (err error) 291 //sysnb Setpgid(pid int, pgid int) (err error) 292 //sys Setpriority(which int, who int, prio int) (err error) 293 //sysnb Setregid(rgid int, egid int) (err error) 294 //sysnb Setreuid(ruid int, euid int) (err error) 295 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 296 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 297 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 298 //sysnb Setrtable(rtable int) (err error) 299 //sysnb Setsid() (pid int, err error) 300 //sysnb Settimeofday(tp *Timeval) (err error) 301 //sysnb Setuid(uid int) (err error) 302 //sys Stat(path string, stat *Stat_t) (err error) 303 //sys Statfs(path string, stat *Statfs_t) (err error) 304 //sys Symlink(path string, link string) (err error) 305 //sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) 306 //sys Sync() (err error) 307 //sys Truncate(path string, length int64) (err error) 308 //sys Umask(newmask int) (oldmask int) 309 //sys Unlink(path string) (err error) 310 //sys Unlinkat(dirfd int, path string, flags int) (err error) 311 //sys Unmount(path string, flags int) (err error) 312 //sys write(fd int, p []byte) (n int, err error) 313 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 314 //sys munmap(addr uintptr, length uintptr) (err error) 315 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 316 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 317 //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) 318 319 /* 320 * Unimplemented 321 */ 322 // __getcwd 323 // __semctl 324 // __syscall 325 // __sysctl 326 // adjfreq 327 // break 328 // clock_getres 329 // clock_gettime 330 // clock_settime 331 // closefrom 332 // execve 333 // fcntl 334 // fhopen 335 // fhstat 336 // fhstatfs 337 // fork 338 // futimens 339 // getfh 340 // getgid 341 // getitimer 342 // getlogin 343 // getresgid 344 // getresuid 345 // getthrid 346 // ktrace 347 // lfs_bmapv 348 // lfs_markv 349 // lfs_segclean 350 // lfs_segwait 351 // mincore 352 // minherit 353 // mount 354 // mquery 355 // msgctl 356 // msgget 357 // msgrcv 358 // msgsnd 359 // nfssvc 360 // nnpfspioctl 361 // preadv 362 // profil 363 // pwritev 364 // quotactl 365 // readv 366 // reboot 367 // renameat 368 // rfork 369 // sched_yield 370 // semget 371 // semop 372 // setgroups 373 // setitimer 374 // setsockopt 375 // shmat 376 // shmctl 377 // shmdt 378 // shmget 379 // sigaction 380 // sigaltstack 381 // sigpending 382 // sigprocmask 383 // sigreturn 384 // sigsuspend 385 // sysarch 386 // syscall 387 // threxit 388 // thrsigdivert 389 // thrsleep 390 // thrwakeup 391 // vfork 392 // writev