github.com/Aayushi-Bansal/sys@v0.0.0-20180118120756-90d962a959d8/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 type SockaddrDatalink struct { 22 Len uint8 23 Family uint8 24 Index uint16 25 Type uint8 26 Nlen uint8 27 Alen uint8 28 Slen uint8 29 Data [24]int8 30 raw RawSockaddrDatalink 31 } 32 33 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) 34 35 func nametomib(name string) (mib []_C_int, err error) { 36 i := sort.Search(len(sysctlMib), func(i int) bool { 37 return sysctlMib[i].ctlname >= name 38 }) 39 if i < len(sysctlMib) && sysctlMib[i].ctlname == name { 40 return sysctlMib[i].ctloid, nil 41 } 42 return nil, EINVAL 43 } 44 45 func direntIno(buf []byte) (uint64, bool) { 46 return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno)) 47 } 48 49 func direntReclen(buf []byte) (uint64, bool) { 50 return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) 51 } 52 53 func direntNamlen(buf []byte) (uint64, bool) { 54 return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) 55 } 56 57 //sysnb pipe(p *[2]_C_int) (err error) 58 func Pipe(p []int) (err error) { 59 if len(p) != 2 { 60 return EINVAL 61 } 62 var pp [2]_C_int 63 err = pipe(&pp) 64 p[0] = int(pp[0]) 65 p[1] = int(pp[1]) 66 return 67 } 68 69 //sys getdents(fd int, buf []byte) (n int, err error) 70 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 71 return getdents(fd, buf) 72 } 73 74 const ImplementsGetwd = true 75 76 //sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD 77 78 func Getwd() (string, error) { 79 var buf [PathMax]byte 80 _, err := Getcwd(buf[0:]) 81 if err != nil { 82 return "", err 83 } 84 n := clen(buf[:]) 85 if n < 1 { 86 return "", EINVAL 87 } 88 return string(buf[:n]), nil 89 } 90 91 // TODO 92 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 93 return -1, ENOSYS 94 } 95 96 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { 97 var _p0 unsafe.Pointer 98 var bufsize uintptr 99 if len(buf) > 0 { 100 _p0 = unsafe.Pointer(&buf[0]) 101 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) 102 } 103 r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags)) 104 n = int(r0) 105 if e1 != 0 { 106 err = e1 107 } 108 return 109 } 110 111 func setattrlistTimes(path string, times []Timespec, flags int) error { 112 // used on Darwin for UtimesNano 113 return ENOSYS 114 } 115 116 //sys ioctl(fd int, req uint, arg uintptr) (err error) 117 118 // ioctl itself should not be exposed directly, but additional get/set 119 // functions for specific types are permissible. 120 121 // IoctlSetInt performs an ioctl operation which sets an integer value 122 // on fd, using the specified request number. 123 func IoctlSetInt(fd int, req uint, value int) error { 124 return ioctl(fd, req, uintptr(value)) 125 } 126 127 func IoctlSetWinsize(fd int, req uint, value *Winsize) error { 128 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 129 } 130 131 func IoctlSetTermios(fd int, req uint, value *Termios) error { 132 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 133 } 134 135 // IoctlGetInt performs an ioctl operation which gets an integer value 136 // from fd, using the specified request number. 137 func IoctlGetInt(fd int, req uint) (int, error) { 138 var value int 139 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 140 return value, err 141 } 142 143 func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { 144 var value Winsize 145 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 146 return &value, err 147 } 148 149 func IoctlGetTermios(fd int, req uint) (*Termios, error) { 150 var value Termios 151 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 152 return &value, err 153 } 154 155 func Uname(uname *Utsname) error { 156 mib := []_C_int{CTL_KERN, KERN_OSTYPE} 157 n := unsafe.Sizeof(uname.Sysname) 158 if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { 159 return err 160 } 161 162 mib = []_C_int{CTL_KERN, KERN_HOSTNAME} 163 n = unsafe.Sizeof(uname.Nodename) 164 if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { 165 return err 166 } 167 168 mib = []_C_int{CTL_KERN, KERN_OSRELEASE} 169 n = unsafe.Sizeof(uname.Release) 170 if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { 171 return err 172 } 173 174 mib = []_C_int{CTL_KERN, KERN_VERSION} 175 n = unsafe.Sizeof(uname.Version) 176 if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { 177 return err 178 } 179 180 // The version might have newlines or tabs in it, convert them to 181 // spaces. 182 for i, b := range uname.Version { 183 if b == '\n' || b == '\t' { 184 if i == len(uname.Version)-1 { 185 uname.Version[i] = 0 186 } else { 187 uname.Version[i] = ' ' 188 } 189 } 190 } 191 192 mib = []_C_int{CTL_HW, HW_MACHINE} 193 n = unsafe.Sizeof(uname.Machine) 194 if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { 195 return err 196 } 197 198 return nil 199 } 200 201 /* 202 * Exposed directly 203 */ 204 //sys Access(path string, mode uint32) (err error) 205 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 206 //sys Chdir(path string) (err error) 207 //sys Chflags(path string, flags int) (err error) 208 //sys Chmod(path string, mode uint32) (err error) 209 //sys Chown(path string, uid int, gid int) (err error) 210 //sys Chroot(path string) (err error) 211 //sys Close(fd int) (err error) 212 //sys Dup(fd int) (nfd int, err error) 213 //sys Dup2(from int, to int) (err error) 214 //sys Exit(code int) 215 //sys Fchdir(fd int) (err error) 216 //sys Fchflags(fd int, flags int) (err error) 217 //sys Fchmod(fd int, mode uint32) (err error) 218 //sys Fchown(fd int, uid int, gid int) (err error) 219 //sys Flock(fd int, how int) (err error) 220 //sys Fpathconf(fd int, name int) (val int, err error) 221 //sys Fstat(fd int, stat *Stat_t) (err error) 222 //sys Fstatfs(fd int, stat *Statfs_t) (err error) 223 //sys Fsync(fd int) (err error) 224 //sys Ftruncate(fd int, length int64) (err error) 225 //sysnb Getegid() (egid int) 226 //sysnb Geteuid() (uid int) 227 //sysnb Getgid() (gid int) 228 //sysnb Getpgid(pid int) (pgid int, err error) 229 //sysnb Getpgrp() (pgrp int) 230 //sysnb Getpid() (pid int) 231 //sysnb Getppid() (ppid int) 232 //sys Getpriority(which int, who int) (prio int, err error) 233 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 234 //sysnb Getrusage(who int, rusage *Rusage) (err error) 235 //sysnb Getsid(pid int) (sid int, err error) 236 //sysnb Gettimeofday(tv *Timeval) (err error) 237 //sysnb Getuid() (uid int) 238 //sys Issetugid() (tainted bool) 239 //sys Kill(pid int, signum syscall.Signal) (err error) 240 //sys Kqueue() (fd int, err error) 241 //sys Lchown(path string, uid int, gid int) (err error) 242 //sys Link(path string, link string) (err error) 243 //sys Listen(s int, backlog int) (err error) 244 //sys Lstat(path string, stat *Stat_t) (err error) 245 //sys Mkdir(path string, mode uint32) (err error) 246 //sys Mkfifo(path string, mode uint32) (err error) 247 //sys Mknod(path string, mode uint32, dev int) (err error) 248 //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 249 //sys Open(path string, mode int, perm uint32) (fd int, err error) 250 //sys Pathconf(path string, name int) (val int, err error) 251 //sys Pread(fd int, p []byte, offset int64) (n int, err error) 252 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 253 //sys read(fd int, p []byte) (n int, err error) 254 //sys Readlink(path string, buf []byte) (n int, err error) 255 //sys Rename(from string, to string) (err error) 256 //sys Revoke(path string) (err error) 257 //sys Rmdir(path string) (err error) 258 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 259 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 260 //sysnb Setegid(egid int) (err error) 261 //sysnb Seteuid(euid int) (err error) 262 //sysnb Setgid(gid int) (err error) 263 //sys Setlogin(name string) (err error) 264 //sysnb Setpgid(pid int, pgid int) (err error) 265 //sys Setpriority(which int, who int, prio int) (err error) 266 //sysnb Setregid(rgid int, egid int) (err error) 267 //sysnb Setreuid(ruid int, euid int) (err error) 268 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 269 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 270 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 271 //sysnb Setsid() (pid int, err error) 272 //sysnb Settimeofday(tp *Timeval) (err error) 273 //sysnb Setuid(uid int) (err error) 274 //sys Stat(path string, stat *Stat_t) (err error) 275 //sys Statfs(path string, stat *Statfs_t) (err error) 276 //sys Symlink(path string, link string) (err error) 277 //sys Sync() (err error) 278 //sys Truncate(path string, length int64) (err error) 279 //sys Umask(newmask int) (oldmask int) 280 //sys Unlink(path string) (err error) 281 //sys Unmount(path string, flags int) (err error) 282 //sys write(fd int, p []byte) (n int, err error) 283 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 284 //sys munmap(addr uintptr, length uintptr) (err error) 285 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 286 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 287 //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) 288 289 /* 290 * Unimplemented 291 */ 292 // __getcwd 293 // __semctl 294 // __syscall 295 // __sysctl 296 // adjfreq 297 // break 298 // clock_getres 299 // clock_gettime 300 // clock_settime 301 // closefrom 302 // execve 303 // faccessat 304 // fchmodat 305 // fchownat 306 // fcntl 307 // fhopen 308 // fhstat 309 // fhstatfs 310 // fork 311 // fstatat 312 // futimens 313 // getfh 314 // getgid 315 // getitimer 316 // getlogin 317 // getresgid 318 // getresuid 319 // getrtable 320 // getthrid 321 // ktrace 322 // lfs_bmapv 323 // lfs_markv 324 // lfs_segclean 325 // lfs_segwait 326 // linkat 327 // mincore 328 // minherit 329 // mkdirat 330 // mkfifoat 331 // mknodat 332 // mount 333 // mquery 334 // msgctl 335 // msgget 336 // msgrcv 337 // msgsnd 338 // nfssvc 339 // nnpfspioctl 340 // openat 341 // preadv 342 // profil 343 // pwritev 344 // quotactl 345 // readlinkat 346 // readv 347 // reboot 348 // renameat 349 // rfork 350 // sched_yield 351 // semget 352 // semop 353 // setgroups 354 // setitimer 355 // setrtable 356 // setsockopt 357 // shmat 358 // shmctl 359 // shmdt 360 // shmget 361 // sigaction 362 // sigaltstack 363 // sigpending 364 // sigprocmask 365 // sigreturn 366 // sigsuspend 367 // symlinkat 368 // sysarch 369 // syscall 370 // threxit 371 // thrsigdivert 372 // thrsleep 373 // thrwakeup 374 // unlinkat 375 // vfork 376 // writev