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 syscall 14 15 import "unsafe" 16 17 type SockaddrDatalink struct { 18 Len uint8 19 Family uint8 20 Index uint16 21 Type uint8 22 Nlen uint8 23 Alen uint8 24 Slen uint8 25 Data [24]int8 26 raw RawSockaddrDatalink 27 } 28 29 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) 30 31 func nametomib(name string) (mib []_C_int, err error) { 32 33 // Perform lookup via a binary search 34 left := 0 35 right := len(sysctlMib) - 1 36 for { 37 idx := left + (right-left)/2 38 switch { 39 case name == sysctlMib[idx].ctlname: 40 return sysctlMib[idx].ctloid, nil 41 case name > sysctlMib[idx].ctlname: 42 left = idx + 1 43 default: 44 right = idx - 1 45 } 46 if left > right { 47 break 48 } 49 } 50 return nil, EINVAL 51 } 52 53 func direntIno(buf []byte) (uint64, bool) { 54 return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno)) 55 } 56 57 func direntReclen(buf []byte) (uint64, bool) { 58 return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) 59 } 60 61 func direntNamlen(buf []byte) (uint64, bool) { 62 return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) 63 } 64 65 //sysnb pipe(p *[2]_C_int) (err error) 66 func Pipe(p []int) (err error) { 67 if len(p) != 2 { 68 return EINVAL 69 } 70 var pp [2]_C_int 71 err = pipe(&pp) 72 p[0] = int(pp[0]) 73 p[1] = int(pp[1]) 74 return 75 } 76 77 //sys getdents(fd int, buf []byte) (n int, err error) 78 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 79 return getdents(fd, buf) 80 } 81 82 // TODO 83 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 84 return -1, ENOSYS 85 } 86 87 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { 88 var _p0 unsafe.Pointer 89 var bufsize uintptr 90 if len(buf) > 0 { 91 _p0 = unsafe.Pointer(&buf[0]) 92 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) 93 } 94 r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags)) 95 n = int(r0) 96 if e1 != 0 { 97 err = e1 98 } 99 return 100 } 101 102 func setattrlistTimes(path string, times []Timespec) error { 103 // used on Darwin for UtimesNano 104 return ENOSYS 105 } 106 107 /* 108 * Exposed directly 109 */ 110 //sys Access(path string, mode uint32) (err error) 111 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 112 //sys Chdir(path string) (err error) 113 //sys Chflags(path string, flags int) (err error) 114 //sys Chmod(path string, mode uint32) (err error) 115 //sys Chown(path string, uid int, gid int) (err error) 116 //sys Chroot(path string) (err error) 117 //sys Close(fd int) (err error) 118 //sys Dup(fd int) (nfd int, err error) 119 //sys Dup2(from int, to int) (err error) 120 //sys Fchdir(fd int) (err error) 121 //sys Fchflags(fd int, flags int) (err error) 122 //sys Fchmod(fd int, mode uint32) (err error) 123 //sys Fchown(fd int, uid int, gid int) (err error) 124 //sys Flock(fd int, how int) (err error) 125 //sys Fpathconf(fd int, name int) (val int, err error) 126 //sys Fstat(fd int, stat *Stat_t) (err error) 127 //sys Fstatfs(fd int, stat *Statfs_t) (err error) 128 //sys Fsync(fd int) (err error) 129 //sys Ftruncate(fd int, length int64) (err error) 130 //sysnb Getegid() (egid int) 131 //sysnb Geteuid() (uid int) 132 //sysnb Getgid() (gid int) 133 //sysnb Getpgid(pid int) (pgid int, err error) 134 //sysnb Getpgrp() (pgrp int) 135 //sysnb Getpid() (pid int) 136 //sysnb Getppid() (ppid int) 137 //sys Getpriority(which int, who int) (prio int, err error) 138 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 139 //sysnb Getrusage(who int, rusage *Rusage) (err error) 140 //sysnb Getsid(pid int) (sid int, err error) 141 //sysnb Gettimeofday(tv *Timeval) (err error) 142 //sysnb Getuid() (uid int) 143 //sys Issetugid() (tainted bool) 144 //sys Kill(pid int, signum Signal) (err error) 145 //sys Kqueue() (fd int, err error) 146 //sys Lchown(path string, uid int, gid int) (err error) 147 //sys Link(path string, link string) (err error) 148 //sys Listen(s int, backlog int) (err error) 149 //sys Lstat(path string, stat *Stat_t) (err error) 150 //sys Mkdir(path string, mode uint32) (err error) 151 //sys Mkfifo(path string, mode uint32) (err error) 152 //sys Mknod(path string, mode uint32, dev int) (err error) 153 //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 154 //sys Open(path string, mode int, perm uint32) (fd int, err error) 155 //sys Pathconf(path string, name int) (val int, err error) 156 //sys Pread(fd int, p []byte, offset int64) (n int, err error) 157 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 158 //sys read(fd int, p []byte) (n int, err error) 159 //sys Readlink(path string, buf []byte) (n int, err error) 160 //sys Rename(from string, to string) (err error) 161 //sys Revoke(path string) (err error) 162 //sys Rmdir(path string) (err error) 163 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 164 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 165 //sysnb Setegid(egid int) (err error) 166 //sysnb Seteuid(euid int) (err error) 167 //sysnb Setgid(gid int) (err error) 168 //sys Setlogin(name string) (err error) 169 //sysnb Setpgid(pid int, pgid int) (err error) 170 //sys Setpriority(which int, who int, prio int) (err error) 171 //sysnb Setregid(rgid int, egid int) (err error) 172 //sysnb Setreuid(ruid int, euid int) (err error) 173 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 174 //sysnb Setsid() (pid int, err error) 175 //sysnb Settimeofday(tp *Timeval) (err error) 176 //sysnb Setuid(uid int) (err error) 177 //sys Stat(path string, stat *Stat_t) (err error) 178 //sys Statfs(path string, stat *Statfs_t) (err error) 179 //sys Symlink(path string, link string) (err error) 180 //sys Sync() (err error) 181 //sys Truncate(path string, length int64) (err error) 182 //sys Umask(newmask int) (oldmask int) 183 //sys Unlink(path string) (err error) 184 //sys Unmount(path string, flags int) (err error) 185 //sys write(fd int, p []byte) (n int, err error) 186 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 187 //sys munmap(addr uintptr, length uintptr) (err error) 188 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 189 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 190 //sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) 191 192 /* 193 * Unimplemented 194 */ 195 // __getcwd 196 // __semctl 197 // __syscall 198 // __sysctl 199 // adjfreq 200 // break 201 // clock_getres 202 // clock_gettime 203 // clock_settime 204 // closefrom 205 // execve 206 // faccessat 207 // fchmodat 208 // fchownat 209 // fcntl 210 // fhopen 211 // fhstat 212 // fhstatfs 213 // fork 214 // fstatat 215 // futimens 216 // getfh 217 // getgid 218 // getitimer 219 // getlogin 220 // getresgid 221 // getresuid 222 // getrtable 223 // getthrid 224 // ioctl 225 // ktrace 226 // lfs_bmapv 227 // lfs_markv 228 // lfs_segclean 229 // lfs_segwait 230 // linkat 231 // mincore 232 // minherit 233 // mkdirat 234 // mkfifoat 235 // mknodat 236 // mlock 237 // mlockall 238 // mount 239 // mquery 240 // msgctl 241 // msgget 242 // msgrcv 243 // msgsnd 244 // munlock 245 // munlockall 246 // nfssvc 247 // nnpfspioctl 248 // openat 249 // poll 250 // preadv 251 // profil 252 // pwritev 253 // quotactl 254 // readlinkat 255 // readv 256 // reboot 257 // renameat 258 // rfork 259 // sched_yield 260 // semget 261 // semop 262 // setgroups 263 // setitimer 264 // setresgid 265 // setresuid 266 // setrtable 267 // setsockopt 268 // shmat 269 // shmctl 270 // shmdt 271 // shmget 272 // sigaction 273 // sigaltstack 274 // sigpending 275 // sigprocmask 276 // sigreturn 277 // sigsuspend 278 // symlinkat 279 // sysarch 280 // syscall 281 // threxit 282 // thrsigdivert 283 // thrsleep 284 // thrwakeup 285 // unlinkat 286 // vfork 287 // writev 288
