github.com/jgarto/itcv@v0.0.0-20180826224514-4eea09c1aa0d/_vendor/src/golang.org/x/sys/unix/syscall_dragonfly.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 // FreeBSD 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 "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 [12]int8 26 Rcf uint16 27 Route [16]uint16 28 raw RawSockaddrDatalink 29 } 30 31 // Translate "kern.hostname" to []_C_int{0,1,2,3}. 32 func nametomib(name string) (mib []_C_int, err error) { 33 const siz = unsafe.Sizeof(mib[0]) 34 35 // NOTE(rsc): It seems strange to set the buffer to have 36 // size CTL_MAXNAME+2 but use only CTL_MAXNAME 37 // as the size. I don't know why the +2 is here, but the 38 // kernel uses +2 for its own implementation of this function. 39 // I am scared that if we don't include the +2 here, the kernel 40 // will silently write 2 words farther than we specify 41 // and we'll get memory corruption. 42 var buf [CTL_MAXNAME + 2]_C_int 43 n := uintptr(CTL_MAXNAME) * siz 44 45 p := (*byte)(unsafe.Pointer(&buf[0])) 46 bytes, err := ByteSliceFromString(name) 47 if err != nil { 48 return nil, err 49 } 50 51 // Magic sysctl: "setting" 0.3 to a string name 52 // lets you read back the array of integers form. 53 if err = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); err != nil { 54 return nil, err 55 } 56 return buf[0 : n/siz], nil 57 } 58 59 func direntIno(buf []byte) (uint64, bool) { 60 return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino)) 61 } 62 63 func direntReclen(buf []byte) (uint64, bool) { 64 namlen, ok := direntNamlen(buf) 65 if !ok { 66 return 0, false 67 } 68 return (16 + namlen + 1 + 7) & ^7, true 69 } 70 71 func direntNamlen(buf []byte) (uint64, bool) { 72 return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) 73 } 74 75 //sysnb pipe() (r int, w int, err error) 76 77 func Pipe(p []int) (err error) { 78 if len(p) != 2 { 79 return EINVAL 80 } 81 p[0], p[1], err = pipe() 82 return 83 } 84 85 //sys extpread(fd int, p []byte, flags int, offset int64) (n int, err error) 86 func Pread(fd int, p []byte, offset int64) (n int, err error) { 87 return extpread(fd, p, 0, offset) 88 } 89 90 //sys extpwrite(fd int, p []byte, flags int, offset int64) (n int, err error) 91 func Pwrite(fd int, p []byte, offset int64) (n int, err error) { 92 return extpwrite(fd, p, 0, offset) 93 } 94 95 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { 96 var _p0 unsafe.Pointer 97 var bufsize uintptr 98 if len(buf) > 0 { 99 _p0 = unsafe.Pointer(&buf[0]) 100 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) 101 } 102 r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags)) 103 n = int(r0) 104 if e1 != 0 { 105 err = e1 106 } 107 return 108 } 109 110 /* 111 * Exposed directly 112 */ 113 //sys Access(path string, mode uint32) (err error) 114 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 115 //sys Chdir(path string) (err error) 116 //sys Chflags(path string, flags int) (err error) 117 //sys Chmod(path string, mode uint32) (err error) 118 //sys Chown(path string, uid int, gid int) (err error) 119 //sys Chroot(path string) (err error) 120 //sys Close(fd int) (err error) 121 //sys Dup(fd int) (nfd int, err error) 122 //sys Dup2(from int, to int) (err error) 123 //sys Exit(code int) 124 //sys Fchdir(fd int) (err error) 125 //sys Fchflags(fd int, flags int) (err error) 126 //sys Fchmod(fd int, mode uint32) (err error) 127 //sys Fchown(fd int, uid int, gid int) (err error) 128 //sys Flock(fd int, how int) (err error) 129 //sys Fpathconf(fd int, name int) (val int, err error) 130 //sys Fstat(fd int, stat *Stat_t) (err error) 131 //sys Fstatfs(fd int, stat *Statfs_t) (err error) 132 //sys Fsync(fd int) (err error) 133 //sys Ftruncate(fd int, length int64) (err error) 134 //sys Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) 135 //sys Getdtablesize() (size int) 136 //sysnb Getegid() (egid int) 137 //sysnb Geteuid() (uid int) 138 //sysnb Getgid() (gid int) 139 //sysnb Getpgid(pid int) (pgid int, err error) 140 //sysnb Getpgrp() (pgrp int) 141 //sysnb Getpid() (pid int) 142 //sysnb Getppid() (ppid int) 143 //sys Getpriority(which int, who int) (prio int, err error) 144 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 145 //sysnb Getrusage(who int, rusage *Rusage) (err error) 146 //sysnb Getsid(pid int) (sid int, err error) 147 //sysnb Gettimeofday(tv *Timeval) (err error) 148 //sysnb Getuid() (uid int) 149 //sys Issetugid() (tainted bool) 150 //sys Kill(pid int, signum syscall.Signal) (err error) 151 //sys Kqueue() (fd int, err error) 152 //sys Lchown(path string, uid int, gid int) (err error) 153 //sys Link(path string, link string) (err error) 154 //sys Listen(s int, backlog int) (err error) 155 //sys Lstat(path string, stat *Stat_t) (err error) 156 //sys Mkdir(path string, mode uint32) (err error) 157 //sys Mkfifo(path string, mode uint32) (err error) 158 //sys Mknod(path string, mode uint32, dev int) (err error) 159 //sys Mlock(b []byte) (err error) 160 //sys Mlockall(flags int) (err error) 161 //sys Mprotect(b []byte, prot int) (err error) 162 //sys Munlock(b []byte) (err error) 163 //sys Munlockall() (err error) 164 //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 165 //sys Open(path string, mode int, perm uint32) (fd int, err error) 166 //sys Pathconf(path string, name int) (val int, err error) 167 //sys read(fd int, p []byte) (n int, err error) 168 //sys Readlink(path string, buf []byte) (n int, err error) 169 //sys Rename(from string, to string) (err error) 170 //sys Revoke(path string) (err error) 171 //sys Rmdir(path string) (err error) 172 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 173 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 174 //sysnb Setegid(egid int) (err error) 175 //sysnb Seteuid(euid int) (err error) 176 //sysnb Setgid(gid int) (err error) 177 //sys Setlogin(name string) (err error) 178 //sysnb Setpgid(pid int, pgid int) (err error) 179 //sys Setpriority(which int, who int, prio int) (err error) 180 //sysnb Setregid(rgid int, egid int) (err error) 181 //sysnb Setreuid(ruid int, euid int) (err error) 182 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 183 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 184 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 185 //sysnb Setsid() (pid int, err error) 186 //sysnb Settimeofday(tp *Timeval) (err error) 187 //sysnb Setuid(uid int) (err error) 188 //sys Stat(path string, stat *Stat_t) (err error) 189 //sys Statfs(path string, stat *Statfs_t) (err error) 190 //sys Symlink(path string, link string) (err error) 191 //sys Sync() (err error) 192 //sys Truncate(path string, length int64) (err error) 193 //sys Umask(newmask int) (oldmask int) 194 //sys Undelete(path string) (err error) 195 //sys Unlink(path string) (err error) 196 //sys Unmount(path string, flags int) (err error) 197 //sys write(fd int, p []byte) (n int, err error) 198 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 199 //sys munmap(addr uintptr, length uintptr) (err error) 200 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 201 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 202 203 /* 204 * Unimplemented 205 * TODO(jsing): Update this list for DragonFly. 206 */ 207 // Profil 208 // Sigaction 209 // Sigprocmask 210 // Getlogin 211 // Sigpending 212 // Sigaltstack 213 // Ioctl 214 // Reboot 215 // Execve 216 // Vfork 217 // Sbrk 218 // Sstk 219 // Ovadvise 220 // Mincore 221 // Setitimer 222 // Swapon 223 // Select 224 // Sigsuspend 225 // Readv 226 // Writev 227 // Nfssvc 228 // Getfh 229 // Quotactl 230 // Mount 231 // Csops 232 // Waitid 233 // Add_profil 234 // Kdebug_trace 235 // Sigreturn 236 // Mmap 237 // Atsocket 238 // Kqueue_from_portset_np 239 // Kqueue_portset 240 // Getattrlist 241 // Setattrlist 242 // Getdirentriesattr 243 // Searchfs 244 // Delete 245 // Copyfile 246 // Poll 247 // Watchevent 248 // Waitevent 249 // Modwatch 250 // Getxattr 251 // Fgetxattr 252 // Setxattr 253 // Fsetxattr 254 // Removexattr 255 // Fremovexattr 256 // Listxattr 257 // Flistxattr 258 // Fsctl 259 // Initgroups 260 // Posix_spawn 261 // Nfsclnt 262 // Fhopen 263 // Minherit 264 // Semsys 265 // Msgsys 266 // Shmsys 267 // Semctl 268 // Semget 269 // Semop 270 // Msgctl 271 // Msgget 272 // Msgsnd 273 // Msgrcv 274 // Shmat 275 // Shmctl 276 // Shmdt 277 // Shmget 278 // Shm_open 279 // Shm_unlink 280 // Sem_open 281 // Sem_close 282 // Sem_unlink 283 // Sem_wait 284 // Sem_trywait 285 // Sem_post 286 // Sem_getvalue 287 // Sem_init 288 // Sem_destroy 289 // Open_extended 290 // Umask_extended 291 // Stat_extended 292 // Lstat_extended 293 // Fstat_extended 294 // Chmod_extended 295 // Fchmod_extended 296 // Access_extended 297 // Settid 298 // Gettid 299 // Setsgroups 300 // Getsgroups 301 // Setwgroups 302 // Getwgroups 303 // Mkfifo_extended 304 // Mkdir_extended 305 // Identitysvc 306 // Shared_region_check_np 307 // Shared_region_map_np 308 // __pthread_mutex_destroy 309 // __pthread_mutex_init 310 // __pthread_mutex_lock 311 // __pthread_mutex_trylock 312 // __pthread_mutex_unlock 313 // __pthread_cond_init 314 // __pthread_cond_destroy 315 // __pthread_cond_broadcast 316 // __pthread_cond_signal 317 // Setsid_with_pid 318 // __pthread_cond_timedwait 319 // Aio_fsync 320 // Aio_return 321 // Aio_suspend 322 // Aio_cancel 323 // Aio_error 324 // Aio_read 325 // Aio_write 326 // Lio_listio 327 // __pthread_cond_wait 328 // Iopolicysys 329 // __pthread_kill 330 // __pthread_sigmask 331 // __sigwait 332 // __disable_threadsignal 333 // __pthread_markcancel 334 // __pthread_canceled 335 // __semwait_signal 336 // Proc_info 337 // Stat64_extended 338 // Lstat64_extended 339 // Fstat64_extended 340 // __pthread_chdir 341 // __pthread_fchdir 342 // Audit 343 // Auditon 344 // Getauid 345 // Setauid 346 // Getaudit 347 // Setaudit 348 // Getaudit_addr 349 // Setaudit_addr 350 // Auditctl 351 // Bsdthread_create 352 // Bsdthread_terminate 353 // Stack_snapshot 354 // Bsdthread_register 355 // Workq_open 356 // Workq_ops 357 // __mac_execve 358 // __mac_syscall 359 // __mac_get_file 360 // __mac_set_file 361 // __mac_get_link 362 // __mac_set_link 363 // __mac_get_proc 364 // __mac_set_proc 365 // __mac_get_fd 366 // __mac_set_fd 367 // __mac_get_pid 368 // __mac_get_lcid 369 // __mac_get_lctx 370 // __mac_set_lctx 371 // Setlcid 372 // Read_nocancel 373 // Write_nocancel 374 // Open_nocancel 375 // Close_nocancel 376 // Wait4_nocancel 377 // Recvmsg_nocancel 378 // Sendmsg_nocancel 379 // Recvfrom_nocancel 380 // Accept_nocancel 381 // Msync_nocancel 382 // Fcntl_nocancel 383 // Select_nocancel 384 // Fsync_nocancel 385 // Connect_nocancel 386 // Sigsuspend_nocancel 387 // Readv_nocancel 388 // Writev_nocancel 389 // Sendto_nocancel 390 // Pread_nocancel 391 // Pwrite_nocancel 392 // Waitid_nocancel 393 // Poll_nocancel 394 // Msgsnd_nocancel 395 // Msgrcv_nocancel 396 // Sem_wait_nocancel 397 // Aio_suspend_nocancel 398 // __sigwait_nocancel 399 // __semwait_signal_nocancel 400 // __mac_mount 401 // __mac_get_mount 402 // __mac_getfsstat