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// NetBSD 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 13package unix 14 15import ( 16 "runtime" 17 "syscall" 18 "unsafe" 19) 20 21// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets. 22type 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 [12]int8 31 raw RawSockaddrDatalink 32} 33 34func anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { 35 return nil, EAFNOSUPPORT 36} 37 38func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) 39 40func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) { 41 var olen uintptr 42 43 // Get a list of all sysctl nodes below the given MIB by performing 44 // a sysctl for the given MIB with CTL_QUERY appended. 45 mib = append(mib, CTL_QUERY) 46 qnode := Sysctlnode{Flags: SYSCTL_VERS_1} 47 qp := (*byte)(unsafe.Pointer(&qnode)) 48 sz := unsafe.Sizeof(qnode) 49 if err = sysctl(mib, nil, &olen, qp, sz); err != nil { 50 return nil, err 51 } 52 53 // Now that we know the size, get the actual nodes. 54 nodes = make([]Sysctlnode, olen/sz) 55 np := (*byte)(unsafe.Pointer(&nodes[0])) 56 if err = sysctl(mib, np, &olen, qp, sz); err != nil { 57 return nil, err 58 } 59 60 return nodes, nil 61} 62 63func nametomib(name string) (mib []_C_int, err error) { 64 // Split name into components. 65 var parts []string 66 last := 0 67 for i := 0; i < len(name); i++ { 68 if name[i] == '.' { 69 parts = append(parts, name[last:i]) 70 last = i + 1 71 } 72 } 73 parts = append(parts, name[last:]) 74 75 // Discover the nodes and construct the MIB OID. 76 for partno, part := range parts { 77 nodes, err := sysctlNodes(mib) 78 if err != nil { 79 return nil, err 80 } 81 for _, node := range nodes { 82 n := make([]byte, 0) 83 for i := range node.Name { 84 if node.Name[i] != 0 { 85 n = append(n, byte(node.Name[i])) 86 } 87 } 88 if string(n) == part { 89 mib = append(mib, _C_int(node.Num)) 90 break 91 } 92 } 93 if len(mib) != partno+1 { 94 return nil, EINVAL 95 } 96 } 97 98 return mib, nil 99} 100 101func direntIno(buf []byte) (uint64, bool) { 102 return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno)) 103} 104 105func direntReclen(buf []byte) (uint64, bool) { 106 return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) 107} 108 109func direntNamlen(buf []byte) (uint64, bool) { 110 return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) 111} 112 113//sysnb pipe() (fd1 int, fd2 int, err error) 114 115func Pipe(p []int) (err error) { 116 if len(p) != 2 { 117 return EINVAL 118 } 119 p[0], p[1], err = pipe() 120 return 121} 122 123//sysnb pipe2(p *[2]_C_int, flags int) (err error) 124 125func Pipe2(p []int, flags int) error { 126 if len(p) != 2 { 127 return EINVAL 128 } 129 var pp [2]_C_int 130 err := pipe2(&pp, flags) 131 p[0] = int(pp[0]) 132 p[1] = int(pp[1]) 133 return err 134} 135 136//sys Getdents(fd int, buf []byte) (n int, err error) 137 138func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 139 n, err = Getdents(fd, buf) 140 if err != nil || basep == nil { 141 return 142 } 143 144 var off int64 145 off, err = Seek(fd, 0, 1 /* SEEK_CUR */) 146 if err != nil { 147 *basep = ^uintptr(0) 148 return 149 } 150 *basep = uintptr(off) 151 if unsafe.Sizeof(*basep) == 8 { 152 return 153 } 154 if off>>32 != 0 { 155 // We can't stuff the offset back into a uintptr, so any 156 // future calls would be suspect. Generate an error. 157 // EIO is allowed by getdirentries. 158 err = EIO 159 } 160 return 161} 162 163//sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD 164 165// TODO 166func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 167 return -1, ENOSYS 168} 169 170func setattrlistTimes(path string, times []Timespec, flags int) error { 171 // used on Darwin for UtimesNano 172 return ENOSYS 173} 174 175//sys ioctl(fd int, req uint, arg uintptr) (err error) 176 177//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL 178 179func IoctlGetPtmget(fd int, req uint) (*Ptmget, error) { 180 var value Ptmget 181 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 182 runtime.KeepAlive(value) 183 return &value, err 184} 185 186func Uname(uname *Utsname) error { 187 mib := []_C_int{CTL_KERN, KERN_OSTYPE} 188 n := unsafe.Sizeof(uname.Sysname) 189 if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { 190 return err 191 } 192 193 mib = []_C_int{CTL_KERN, KERN_HOSTNAME} 194 n = unsafe.Sizeof(uname.Nodename) 195 if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { 196 return err 197 } 198 199 mib = []_C_int{CTL_KERN, KERN_OSRELEASE} 200 n = unsafe.Sizeof(uname.Release) 201 if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { 202 return err 203 } 204 205 mib = []_C_int{CTL_KERN, KERN_VERSION} 206 n = unsafe.Sizeof(uname.Version) 207 if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { 208 return err 209 } 210 211 // The version might have newlines or tabs in it, convert them to 212 // spaces. 213 for i, b := range uname.Version { 214 if b == '\n' || b == '\t' { 215 if i == len(uname.Version)-1 { 216 uname.Version[i] = 0 217 } else { 218 uname.Version[i] = ' ' 219 } 220 } 221 } 222 223 mib = []_C_int{CTL_HW, HW_MACHINE} 224 n = unsafe.Sizeof(uname.Machine) 225 if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { 226 return err 227 } 228 229 return nil 230} 231 232func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 233 if raceenabled { 234 raceReleaseMerge(unsafe.Pointer(&ioSync)) 235 } 236 return sendfile(outfd, infd, offset, count) 237} 238 239func Fstatvfs(fd int, buf *Statvfs_t) (err error) { 240 return Fstatvfs1(fd, buf, ST_WAIT) 241} 242 243func Statvfs(path string, buf *Statvfs_t) (err error) { 244 return Statvfs1(path, buf, ST_WAIT) 245} 246 247/* 248 * Exposed directly 249 */ 250//sys Access(path string, mode uint32) (err error) 251//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 252//sys Chdir(path string) (err error) 253//sys Chflags(path string, flags int) (err error) 254//sys Chmod(path string, mode uint32) (err error) 255//sys Chown(path string, uid int, gid int) (err error) 256//sys Chroot(path string) (err error) 257//sys Close(fd int) (err error) 258//sys Dup(fd int) (nfd int, err error) 259//sys Dup2(from int, to int) (err error) 260//sys Dup3(from int, to int, flags int) (err error) 261//sys Exit(code int) 262//sys ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 263//sys ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 264//sys ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) 265//sys ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 266//sys ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 267//sys ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 268//sys ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) 269//sys ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 270//sys ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 271//sys ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 272//sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) 273//sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 274//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) 275//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE 276//sys Fchdir(fd int) (err error) 277//sys Fchflags(fd int, flags int) (err error) 278//sys Fchmod(fd int, mode uint32) (err error) 279//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) 280//sys Fchown(fd int, uid int, gid int) (err error) 281//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) 282//sys Flock(fd int, how int) (err error) 283//sys Fpathconf(fd int, name int) (val int, err error) 284//sys Fstat(fd int, stat *Stat_t) (err error) 285//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) 286//sys Fstatvfs1(fd int, buf *Statvfs_t, flags int) (err error) = SYS_FSTATVFS1 287//sys Fsync(fd int) (err error) 288//sys Ftruncate(fd int, length int64) (err error) 289//sysnb Getegid() (egid int) 290//sysnb Geteuid() (uid int) 291//sysnb Getgid() (gid int) 292//sysnb Getpgid(pid int) (pgid int, err error) 293//sysnb Getpgrp() (pgrp int) 294//sysnb Getpid() (pid int) 295//sysnb Getppid() (ppid int) 296//sys Getpriority(which int, who int) (prio int, err error) 297//sysnb Getrlimit(which int, lim *Rlimit) (err error) 298//sysnb Getrusage(who int, rusage *Rusage) (err error) 299//sysnb Getsid(pid int) (sid int, err error) 300//sysnb Gettimeofday(tv *Timeval) (err error) 301//sysnb Getuid() (uid int) 302//sys Issetugid() (tainted bool) 303//sys Kill(pid int, signum syscall.Signal) (err error) 304//sys Kqueue() (fd int, err error) 305//sys Lchown(path string, uid int, gid int) (err error) 306//sys Link(path string, link string) (err error) 307//sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) 308//sys Listen(s int, backlog int) (err error) 309//sys Lstat(path string, stat *Stat_t) (err error) 310//sys Mkdir(path string, mode uint32) (err error) 311//sys Mkdirat(dirfd int, path string, mode uint32) (err error) 312//sys Mkfifo(path string, mode uint32) (err error) 313//sys Mkfifoat(dirfd int, path string, mode uint32) (err error) 314//sys Mknod(path string, mode uint32, dev int) (err error) 315//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) 316//sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 317//sys Open(path string, mode int, perm uint32) (fd int, err error) 318//sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) 319//sys Pathconf(path string, name int) (val int, err error) 320//sys Pread(fd int, p []byte, offset int64) (n int, err error) 321//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 322//sys read(fd int, p []byte) (n int, err error) 323//sys Readlink(path string, buf []byte) (n int, err error) 324//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) 325//sys Rename(from string, to string) (err error) 326//sys Renameat(fromfd int, from string, tofd int, to string) (err error) 327//sys Revoke(path string) (err error) 328//sys Rmdir(path string) (err error) 329//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 330//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) 331//sysnb Setegid(egid int) (err error) 332//sysnb Seteuid(euid int) (err error) 333//sysnb Setgid(gid int) (err error) 334//sysnb Setpgid(pid int, pgid int) (err error) 335//sys Setpriority(which int, who int, prio int) (err error) 336//sysnb Setregid(rgid int, egid int) (err error) 337//sysnb Setreuid(ruid int, euid int) (err error) 338//sysnb Setrlimit(which int, lim *Rlimit) (err error) 339//sysnb Setsid() (pid int, err error) 340//sysnb Settimeofday(tp *Timeval) (err error) 341//sysnb Setuid(uid int) (err error) 342//sys Stat(path string, stat *Stat_t) (err error) 343//sys Statvfs1(path string, buf *Statvfs_t, flags int) (err error) = SYS_STATVFS1 344//sys Symlink(path string, link string) (err error) 345//sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) 346//sys Sync() (err error) 347//sys Truncate(path string, length int64) (err error) 348//sys Umask(newmask int) (oldmask int) 349//sys Unlink(path string) (err error) 350//sys Unlinkat(dirfd int, path string, flags int) (err error) 351//sys Unmount(path string, flags int) (err error) 352//sys write(fd int, p []byte) (n int, err error) 353//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 354//sys munmap(addr uintptr, length uintptr) (err error) 355//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 356//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 357//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) 358 359/* 360 * Unimplemented 361 */ 362// ____semctl13 363// __clone 364// __fhopen40 365// __fhstat40 366// __fhstatvfs140 367// __fstat30 368// __getcwd 369// __getfh30 370// __getlogin 371// __lstat30 372// __mount50 373// __msgctl13 374// __msync13 375// __ntp_gettime30 376// __posix_chown 377// __posix_fchown 378// __posix_lchown 379// __posix_rename 380// __setlogin 381// __shmctl13 382// __sigaction_sigtramp 383// __sigaltstack14 384// __sigpending14 385// __sigprocmask14 386// __sigsuspend14 387// __sigtimedwait 388// __stat30 389// __syscall 390// __vfork14 391// _ksem_close 392// _ksem_destroy 393// _ksem_getvalue 394// _ksem_init 395// _ksem_open 396// _ksem_post 397// _ksem_trywait 398// _ksem_unlink 399// _ksem_wait 400// _lwp_continue 401// _lwp_create 402// _lwp_ctl 403// _lwp_detach 404// _lwp_exit 405// _lwp_getname 406// _lwp_getprivate 407// _lwp_kill 408// _lwp_park 409// _lwp_self 410// _lwp_setname 411// _lwp_setprivate 412// _lwp_suspend 413// _lwp_unpark 414// _lwp_unpark_all 415// _lwp_wait 416// _lwp_wakeup 417// _pset_bind 418// _sched_getaffinity 419// _sched_getparam 420// _sched_setaffinity 421// _sched_setparam 422// acct 423// aio_cancel 424// aio_error 425// aio_fsync 426// aio_read 427// aio_return 428// aio_suspend 429// aio_write 430// break 431// clock_getres 432// clock_gettime 433// clock_settime 434// compat_09_ogetdomainname 435// compat_09_osetdomainname 436// compat_09_ouname 437// compat_10_omsgsys 438// compat_10_osemsys 439// compat_10_oshmsys 440// compat_12_fstat12 441// compat_12_getdirentries 442// compat_12_lstat12 443// compat_12_msync 444// compat_12_oreboot 445// compat_12_oswapon 446// compat_12_stat12 447// compat_13_sigaction13 448// compat_13_sigaltstack13 449// compat_13_sigpending13 450// compat_13_sigprocmask13 451// compat_13_sigreturn13 452// compat_13_sigsuspend13 453// compat_14___semctl 454// compat_14_msgctl 455// compat_14_shmctl 456// compat_16___sigaction14 457// compat_16___sigreturn14 458// compat_20_fhstatfs 459// compat_20_fstatfs 460// compat_20_getfsstat 461// compat_20_statfs 462// compat_30___fhstat30 463// compat_30___fstat13 464// compat_30___lstat13 465// compat_30___stat13 466// compat_30_fhopen 467// compat_30_fhstat 468// compat_30_fhstatvfs1 469// compat_30_getdents 470// compat_30_getfh 471// compat_30_ntp_gettime 472// compat_30_socket 473// compat_40_mount 474// compat_43_fstat43 475// compat_43_lstat43 476// compat_43_oaccept 477// compat_43_ocreat 478// compat_43_oftruncate 479// compat_43_ogetdirentries 480// compat_43_ogetdtablesize 481// compat_43_ogethostid 482// compat_43_ogethostname 483// compat_43_ogetkerninfo 484// compat_43_ogetpagesize 485// compat_43_ogetpeername 486// compat_43_ogetrlimit 487// compat_43_ogetsockname 488// compat_43_okillpg 489// compat_43_olseek 490// compat_43_ommap 491// compat_43_oquota 492// compat_43_orecv 493// compat_43_orecvfrom 494// compat_43_orecvmsg 495// compat_43_osend 496// compat_43_osendmsg 497// compat_43_osethostid 498// compat_43_osethostname 499// compat_43_osetrlimit 500// compat_43_osigblock 501// compat_43_osigsetmask 502// compat_43_osigstack 503// compat_43_osigvec 504// compat_43_otruncate 505// compat_43_owait 506// compat_43_stat43 507// execve 508// extattr_delete_fd 509// extattr_delete_file 510// extattr_delete_link 511// extattr_get_fd 512// extattr_get_file 513// extattr_get_link 514// extattr_list_fd 515// extattr_list_file 516// extattr_list_link 517// extattr_set_fd 518// extattr_set_file 519// extattr_set_link 520// extattrctl 521// fchroot 522// fdatasync 523// fgetxattr 524// fktrace 525// flistxattr 526// fork 527// fremovexattr 528// fsetxattr 529// fstatvfs1 530// fsync_range 531// getcontext 532// getitimer 533// getvfsstat 534// getxattr 535// ktrace 536// lchflags 537// lchmod 538// lfs_bmapv 539// lfs_markv 540// lfs_segclean 541// lfs_segwait 542// lgetxattr 543// lio_listio 544// listxattr 545// llistxattr 546// lremovexattr 547// lseek 548// lsetxattr 549// lutimes 550// madvise 551// mincore 552// minherit 553// modctl 554// mq_close 555// mq_getattr 556// mq_notify 557// mq_open 558// mq_receive 559// mq_send 560// mq_setattr 561// mq_timedreceive 562// mq_timedsend 563// mq_unlink 564// mremap 565// msgget 566// msgrcv 567// msgsnd 568// nfssvc 569// ntp_adjtime 570// pmc_control 571// pmc_get_info 572// pollts 573// preadv 574// profil 575// pselect 576// pset_assign 577// pset_create 578// pset_destroy 579// ptrace 580// pwritev 581// quotactl 582// rasctl 583// readv 584// reboot 585// removexattr 586// sa_enable 587// sa_preempt 588// sa_register 589// sa_setconcurrency 590// sa_stacks 591// sa_yield 592// sbrk 593// sched_yield 594// semconfig 595// semget 596// semop 597// setcontext 598// setitimer 599// setxattr 600// shmat 601// shmdt 602// shmget 603// sstk 604// statvfs1 605// swapctl 606// sysarch 607// syscall 608// timer_create 609// timer_delete 610// timer_getoverrun 611// timer_gettime 612// timer_settime 613// undelete 614// utrace 615// uuidgen 616// vadvise 617// vfork 618// writev 619