github.com/juelite/golang.org-x-sys@v0.0.0-20181121071242-7b69e1c5db33/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 "syscall" 17 "unsafe" 18 ) 19 20 type SockaddrDatalink struct { 21 Len uint8 22 Family uint8 23 Index uint16 24 Type uint8 25 Nlen uint8 26 Alen uint8 27 Slen uint8 28 Data [24]int8 29 raw RawSockaddrDatalink 30 } 31 32 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) 33 34 func nametomib(name string) (mib []_C_int, err error) { 35 36 // Perform lookup via a binary search 37 left := 0 38 right := len(sysctlMib) - 1 39 for { 40 idx := left + (right-left)/2 41 switch { 42 case name == sysctlMib[idx].ctlname: 43 return sysctlMib[idx].ctloid, nil 44 case name > sysctlMib[idx].ctlname: 45 left = idx + 1 46 default: 47 right = idx - 1 48 } 49 if left > right { 50 break 51 } 52 } 53 return nil, EINVAL 54 } 55 56 // ParseDirent parses up to max directory entries in buf, 57 // appending the names to names. It returns the number 58 // bytes consumed from buf, the number of entries added 59 // to names, and the new names slice. 60 func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { 61 origlen := len(buf) 62 for max != 0 && len(buf) > 0 { 63 dirent := (*Dirent)(unsafe.Pointer(&buf[0])) 64 if dirent.Reclen == 0 { 65 buf = nil 66 break 67 } 68 buf = buf[dirent.Reclen:] 69 if dirent.Fileno == 0 { // File absent in directory. 70 continue 71 } 72 bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) 73 var name = string(bytes[0:dirent.Namlen]) 74 if name == "." || name == ".." { // Useless names 75 continue 76 } 77 max-- 78 count++ 79 names = append(names, name) 80 } 81 return origlen - len(buf), count, names 82 } 83 84 //sysnb pipe(p *[2]_C_int) (err error) 85 func Pipe(p []int) (err error) { 86 if len(p) != 2 { 87 return EINVAL 88 } 89 var pp [2]_C_int 90 err = pipe(&pp) 91 p[0] = int(pp[0]) 92 p[1] = int(pp[1]) 93 return 94 } 95 96 //sys getdents(fd int, buf []byte) (n int, err error) 97 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 98 return getdents(fd, buf) 99 } 100 101 // TODO 102 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 103 return -1, ENOSYS 104 } 105 106 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { 107 var _p0 unsafe.Pointer 108 var bufsize uintptr 109 if len(buf) > 0 { 110 _p0 = unsafe.Pointer(&buf[0]) 111 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) 112 } 113 r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags)) 114 use(unsafe.Pointer(_p0)) 115 n = int(r0) 116 if e1 != 0 { 117 err = e1 118 } 119 return 120 } 121 122 /* 123 * Exposed directly 124 */ 125 //sys Access(path string, mode uint32) (err error) 126 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 127 //sys Chdir(path string) (err error) 128 //sys Chflags(path string, flags int) (err error) 129 //sys Chmod(path string, mode uint32) (err error) 130 //sys Chown(path string, uid int, gid int) (err error) 131 //sys Chroot(path string) (err error) 132 //sys Close(fd int) (err error) 133 //sys Dup(fd int) (nfd int, err error) 134 //sys Dup2(from int, to int) (err error) 135 //sys Exit(code int) 136 //sys Fchdir(fd int) (err error) 137 //sys Fchflags(fd int, flags int) (err error) 138 //sys Fchmod(fd int, mode uint32) (err error) 139 //sys Fchown(fd int, uid int, gid int) (err error) 140 //sys Flock(fd int, how int) (err error) 141 //sys Fpathconf(fd int, name int) (val int, err error) 142 //sys Fstat(fd int, stat *Stat_t) (err error) 143 //sys Fstatfs(fd int, stat *Statfs_t) (err error) 144 //sys Fsync(fd int) (err error) 145 //sys Ftruncate(fd int, length int64) (err error) 146 //sysnb Getegid() (egid int) 147 //sysnb Geteuid() (uid int) 148 //sysnb Getgid() (gid int) 149 //sysnb Getpgid(pid int) (pgid int, err error) 150 //sysnb Getpgrp() (pgrp int) 151 //sysnb Getpid() (pid int) 152 //sysnb Getppid() (ppid int) 153 //sys Getpriority(which int, who int) (prio int, err error) 154 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 155 //sysnb Getrusage(who int, rusage *Rusage) (err error) 156 //sysnb Getsid(pid int) (sid int, err error) 157 //sysnb Gettimeofday(tv *Timeval) (err error) 158 //sysnb Getuid() (uid int) 159 //sys Issetugid() (tainted bool) 160 //sys Kill(pid int, signum syscall.Signal) (err error) 161 //sys Kqueue() (fd int, err error) 162 //sys Lchown(path string, uid int, gid int) (err error) 163 //sys Link(path string, link string) (err error) 164 //sys Listen(s int, backlog int) (err error) 165 //sys Lstat(path string, stat *Stat_t) (err error) 166 //sys Mkdir(path string, mode uint32) (err error) 167 //sys Mkfifo(path string, mode uint32) (err error) 168 //sys Mknod(path string, mode uint32, dev int) (err error) 169 //sys Mlock(b []byte) (err error) 170 //sys Mlockall(flags int) (err error) 171 //sys Mprotect(b []byte, prot int) (err error) 172 //sys Munlock(b []byte) (err error) 173 //sys Munlockall() (err error) 174 //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 175 //sys Open(path string, mode int, perm uint32) (fd int, err error) 176 //sys Pathconf(path string, name int) (val int, err error) 177 //sys Pread(fd int, p []byte, offset int64) (n int, err error) 178 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 179 //sys read(fd int, p []byte) (n int, err error) 180 //sys Readlink(path string, buf []byte) (n int, err error) 181 //sys Rename(from string, to string) (err error) 182 //sys Revoke(path string) (err error) 183 //sys Rmdir(path string) (err error) 184 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 185 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 186 //sysnb Setegid(egid int) (err error) 187 //sysnb Seteuid(euid int) (err error) 188 //sysnb Setgid(gid int) (err error) 189 //sys Setlogin(name string) (err error) 190 //sysnb Setpgid(pid int, pgid int) (err error) 191 //sys Setpriority(which int, who int, prio int) (err error) 192 //sysnb Setregid(rgid int, egid int) (err error) 193 //sysnb Setreuid(ruid int, euid int) (err error) 194 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 195 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 196 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 197 //sysnb Setsid() (pid int, err error) 198 //sysnb Settimeofday(tp *Timeval) (err error) 199 //sysnb Setuid(uid int) (err error) 200 //sys Stat(path string, stat *Stat_t) (err error) 201 //sys Statfs(path string, stat *Statfs_t) (err error) 202 //sys Symlink(path string, link string) (err error) 203 //sys Sync() (err error) 204 //sys Truncate(path string, length int64) (err error) 205 //sys Umask(newmask int) (oldmask int) 206 //sys Unlink(path string) (err error) 207 //sys Unmount(path string, flags int) (err error) 208 //sys write(fd int, p []byte) (n int, err error) 209 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 210 //sys munmap(addr uintptr, length uintptr) (err error) 211 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 212 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 213 214 /* 215 * Unimplemented 216 */ 217 // __getcwd 218 // __semctl 219 // __syscall 220 // __sysctl 221 // adjfreq 222 // break 223 // clock_getres 224 // clock_gettime 225 // clock_settime 226 // closefrom 227 // execve 228 // faccessat 229 // fchmodat 230 // fchownat 231 // fcntl 232 // fhopen 233 // fhstat 234 // fhstatfs 235 // fork 236 // fstatat 237 // futimens 238 // getfh 239 // getgid 240 // getitimer 241 // getlogin 242 // getresgid 243 // getresuid 244 // getrtable 245 // getthrid 246 // ioctl 247 // ktrace 248 // lfs_bmapv 249 // lfs_markv 250 // lfs_segclean 251 // lfs_segwait 252 // linkat 253 // mincore 254 // minherit 255 // mkdirat 256 // mkfifoat 257 // mknodat 258 // mount 259 // mquery 260 // msgctl 261 // msgget 262 // msgrcv 263 // msgsnd 264 // nfssvc 265 // nnpfspioctl 266 // openat 267 // poll 268 // preadv 269 // profil 270 // pwritev 271 // quotactl 272 // readlinkat 273 // readv 274 // reboot 275 // renameat 276 // rfork 277 // sched_yield 278 // semget 279 // semop 280 // setgroups 281 // setitimer 282 // setrtable 283 // setsockopt 284 // shmat 285 // shmctl 286 // shmdt 287 // shmget 288 // sigaction 289 // sigaltstack 290 // sigpending 291 // sigprocmask 292 // sigreturn 293 // sigsuspend 294 // symlinkat 295 // sysarch 296 // syscall 297 // threxit 298 // thrsigdivert 299 // thrsleep 300 // thrwakeup 301 // unlinkat 302 // utimensat 303 // vfork 304 // writev