// Copyright 2009,2010 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // NetBSD system calls. // This file is compiled as ordinary Go code, // but it is also input to mksyscall, // which parses the //sys lines and generates system call stubs. // Note that sometimes we use a lowercase //sys name and wrap // it in our own nicer implementation, either here or in // syscall_bsd.go or syscall_unix.go. package unix import ( "syscall" "unsafe" ) // SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets. type SockaddrDatalink struct { Len uint8 Family uint8 Index uint16 Type uint8 Nlen uint8 Alen uint8 Slen uint8 Data [12]int8 raw RawSockaddrDatalink } func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) { var olen uintptr // Get a list of all sysctl nodes below the given MIB by performing // a sysctl for the given MIB with CTL_QUERY appended. mib = append(mib, CTL_QUERY) qnode := Sysctlnode{Flags: SYSCTL_VERS_1} qp := (*byte)(unsafe.Pointer(&qnode)) sz := unsafe.Sizeof(qnode) if err = sysctl(mib, nil, &olen, qp, sz); err != nil { return nil, err } // Now that we know the size, get the actual nodes. nodes = make([]Sysctlnode, olen/sz) np := (*byte)(unsafe.Pointer(&nodes[0])) if err = sysctl(mib, np, &olen, qp, sz); err != nil { return nil, err } return nodes, nil } func nametomib(name string) (mib []_C_int, err error) { // Split name into components. var parts []string last := 0 for i := 0; i < len(name); i++ { if name[i] == '.' { parts = append(parts, name[last:i]) last = i + 1 } } parts = append(parts, name[last:]) // Discover the nodes and construct the MIB OID. for partno, part := range parts { nodes, err := sysctlNodes(mib) if err != nil { return nil, err } for _, node := range nodes { n := make([]byte, 0) for i := range node.Name { if node.Name[i] != 0 { n = append(n, byte(node.Name[i])) } } if string(n) == part { mib = append(mib, _C_int(node.Num)) break } } if len(mib) != partno+1 { return nil, EINVAL } } return mib, nil } //sysnb pipe() (fd1 int, fd2 int, err error) func Pipe(p []int) (err error) { if len(p) != 2 { return EINVAL } p[0], p[1], err = pipe() return } //sys getdents(fd int, buf []byte) (n int, err error) func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { return getdents(fd, buf) } const ImplementsGetwd = true //sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD func Getwd() (string, error) { var buf [PathMax]byte _, err := Getcwd(buf[0:]) if err != nil { return "", err } n := clen(buf[:]) if n < 1 { return "", EINVAL } return string(buf[:n]), nil } // TODO func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { return -1, ENOSYS } func setattrlistTimes(path string, times []Timespec, flags int) error { // used on Darwin for UtimesNano return ENOSYS } //sys ioctl(fd int, req uint, arg uintptr) (err error) // ioctl itself should not be exposed directly, but additional get/set // functions for specific types are permissible. // IoctlSetInt performs an ioctl operation which sets an integer value // on fd, using the specified request number. func IoctlSetInt(fd int, req uint, value int) error { return ioctl(fd, req, uintptr(value)) } func ioctlSetWinsize(fd int, req uint, value *Winsize) error { return ioctl(fd, req, uintptr(unsafe.Pointer(value))) } func ioctlSetTermios(fd int, req uint, value *Termios) error { return ioctl(fd, req, uintptr(unsafe.Pointer(value))) } // IoctlGetInt performs an ioctl operation which gets an integer value // from fd, using the specified request number. func IoctlGetInt(fd int, req uint) (int, error) { var value int err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) return value, err } func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { var value Winsize err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) return &value, err } func IoctlGetTermios(fd int, req uint) (*Termios, error) { var value Termios err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) return &value, err } func Uname(uname *Utsname) error { mib := []_C_int{CTL_KERN, KERN_OSTYPE} n := unsafe.Sizeof(uname.Sysname) if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { return err } mib = []_C_int{CTL_KERN, KERN_HOSTNAME} n = unsafe.Sizeof(uname.Nodename) if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { return err } mib = []_C_int{CTL_KERN, KERN_OSRELEASE} n = unsafe.Sizeof(uname.Release) if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { return err } mib = []_C_int{CTL_KERN, KERN_VERSION} n = unsafe.Sizeof(uname.Version) if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { return err } // The version might have newlines or tabs in it, convert them to // spaces. for i, b := range uname.Version { if b == '\n' || b == '\t' { if i == len(uname.Version)-1 { uname.Version[i] = 0 } else { uname.Version[i] = ' ' } } } mib = []_C_int{CTL_HW, HW_MACHINE} n = unsafe.Sizeof(uname.Machine) if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { return err } return nil } /* * Exposed directly */ //sys Access(path string, mode uint32) (err error) //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) //sys Chdir(path string) (err error) //sys Chflags(path string, flags int) (err error) //sys Chmod(path string, mode uint32) (err error) //sys Chown(path string, uid int, gid int) (err error) //sys Chroot(path string) (err error) //sys Close(fd int) (err error) //sys Dup(fd int) (nfd int, err error) //sys Dup2(from int, to int) (err error) //sys Exit(code int) //sys ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) //sys ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) //sys ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) //sys ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) //sys ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) //sys ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) //sys ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) //sys ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) //sys ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) //sys ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) //sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) //sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE //sys Fchdir(fd int) (err error) //sys Fchflags(fd int, flags int) (err error) //sys Fchmod(fd int, mode uint32) (err error) //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) //sys Fchown(fd int, uid int, gid int) (err error) //sys Flock(fd int, how int) (err error) //sys Fpathconf(fd int, name int) (val int, err error) //sys Fstat(fd int, stat *Stat_t) (err error) //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) //sys Fsync(fd int) (err error) //sys Ftruncate(fd int, length int64) (err error) //sysnb Getegid() (egid int) //sysnb Geteuid() (uid int) //sysnb Getgid() (gid int) //sysnb Getpgid(pid int) (pgid int, err error) //sysnb Getpgrp() (pgrp int) //sysnb Getpid() (pid int) //sysnb Getppid() (ppid int) //sys Getpriority(which int, who int) (prio int, err error) //sysnb Getrlimit(which int, lim *Rlimit) (err error) //sysnb Getrusage(who int, rusage *Rusage) (err error) //sysnb Getsid(pid int) (sid int, err error) //sysnb Gettimeofday(tv *Timeval) (err error) //sysnb Getuid() (uid int) //sys Issetugid() (tainted bool) //sys Kill(pid int, signum syscall.Signal) (err error) //sys Kqueue() (fd int, err error) //sys Lchown(path string, uid int, gid int) (err error) //sys Link(path string, link string) (err error) //sys Listen(s int, backlog int) (err error) //sys Lstat(path string, stat *Stat_t) (err error) //sys Mkdir(path string, mode uint32) (err error) //sys Mkfifo(path string, mode uint32) (err error) //sys Mknod(path string, mode uint32, dev int) (err error) //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) //sys Open(path string, mode int, perm uint32) (fd int, err error) //sys Pathconf(path string, name int) (val int, err error) //sys Pread(fd int, p []byte, offset int64) (n int, err error) //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) //sys read(fd int, p []byte) (n int, err error) //sys Readlink(path string, buf []byte) (n int, err error) //sys Rename(from string, to string) (err error) //sys Revoke(path string) (err error) //sys Rmdir(path string) (err error) //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) //sysnb Setegid(egid int) (err error) //sysnb Seteuid(euid int) (err error) //sysnb Setgid(gid int) (err error) //sysnb Setpgid(pid int, pgid int) (err error) //sys Setpriority(which int, who int, prio int) (err error) //sysnb Setregid(rgid int, egid int) (err error) //sysnb Setreuid(ruid int, euid int) (err error) //sysnb Setrlimit(which int, lim *Rlimit) (err error) //sysnb Setsid() (pid int, err error) //sysnb Settimeofday(tp *Timeval) (err error) //sysnb Setuid(uid int) (err error) //sys Stat(path string, stat *Stat_t) (err error) //sys Symlink(path string, link string) (err error) //sys Sync() (err error) //sys Truncate(path string, length int64) (err error) //sys Umask(newmask int) (oldmask int) //sys Unlink(path string) (err error) //sys Unmount(path string, flags int) (err error) //sys write(fd int, p []byte) (n int, err error) //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) //sys munmap(addr uintptr, length uintptr) (err error) //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) /* * Unimplemented */ // ____semctl13 // __clone // __fhopen40 // __fhstat40 // __fhstatvfs140 // __fstat30 // __getcwd // __getfh30 // __getlogin // __lstat30 // __mount50 // __msgctl13 // __msync13 // __ntp_gettime30 // __posix_chown // __posix_fchown // __posix_lchown // __posix_rename // __setlogin // __shmctl13 // __sigaction_sigtramp // __sigaltstack14 // __sigpending14 // __sigprocmask14 // __sigsuspend14 // __sigtimedwait // __stat30 // __syscall // __vfork14 // _ksem_close // _ksem_destroy // _ksem_getvalue // _ksem_init // _ksem_open // _ksem_post // _ksem_trywait // _ksem_unlink // _ksem_wait // _lwp_continue // _lwp_create // _lwp_ctl // _lwp_detach // _lwp_exit // _lwp_getname // _lwp_getprivate // _lwp_kill // _lwp_park // _lwp_self // _lwp_setname // _lwp_setprivate // _lwp_suspend // _lwp_unpark // _lwp_unpark_all // _lwp_wait // _lwp_wakeup // _pset_bind // _sched_getaffinity // _sched_getparam // _sched_setaffinity // _sched_setparam // acct // aio_cancel // aio_error // aio_fsync // aio_read // aio_return // aio_suspend // aio_write // break // clock_getres // clock_gettime // clock_settime // compat_09_ogetdomainname // compat_09_osetdomainname // compat_09_ouname // compat_10_omsgsys // compat_10_osemsys // compat_10_oshmsys // compat_12_fstat12 // compat_12_getdirentries // compat_12_lstat12 // compat_12_msync // compat_12_oreboot // compat_12_oswapon // compat_12_stat12 // compat_13_sigaction13 // compat_13_sigaltstack13 // compat_13_sigpending13 // compat_13_sigprocmask13 // compat_13_sigreturn13 // compat_13_sigsuspend13 // compat_14___semctl // compat_14_msgctl // compat_14_shmctl // compat_16___sigaction14 // compat_16___sigreturn14 // compat_20_fhstatfs // compat_20_fstatfs // compat_20_getfsstat // compat_20_statfs // compat_30___fhstat30 // compat_30___fstat13 // compat_30___lstat13 // compat_30___stat13 // compat_30_fhopen // compat_30_fhstat // compat_30_fhstatvfs1 // compat_30_getdents // compat_30_getfh // compat_30_ntp_gettime // compat_30_socket // compat_40_mount // compat_43_fstat43 // compat_43_lstat43 // compat_43_oaccept // compat_43_ocreat // compat_43_oftruncate // compat_43_ogetdirentries // compat_43_ogetdtablesize // compat_43_ogethostid // compat_43_ogethostname // compat_43_ogetkerninfo // compat_43_ogetpagesize // compat_43_ogetpeername // compat_43_ogetrlimit // compat_43_ogetsockname // compat_43_okillpg // compat_43_olseek // compat_43_ommap // compat_43_oquota // compat_43_orecv // compat_43_orecvfrom // compat_43_orecvmsg // compat_43_osend // compat_43_osendmsg // compat_43_osethostid // compat_43_osethostname // compat_43_osetrlimit // compat_43_osigblock // compat_43_osigsetmask // compat_43_osigstack // compat_43_osigvec // compat_43_otruncate // compat_43_owait // compat_43_stat43 // execve // extattr_delete_fd // extattr_delete_file // extattr_delete_link // extattr_get_fd // extattr_get_file // extattr_get_link // extattr_list_fd // extattr_list_file // extattr_list_link // extattr_set_fd // extattr_set_file // extattr_set_link // extattrctl // fchroot // fdatasync // fgetxattr // fktrace // flistxattr // fork // fremovexattr // fsetxattr // fstatvfs1 // fsync_range // getcontext // getitimer // getvfsstat // getxattr // ktrace // lchflags // lchmod // lfs_bmapv // lfs_markv // lfs_segclean // lfs_segwait // lgetxattr // lio_listio // listxattr // llistxattr // lremovexattr // lseek // lsetxattr // lutimes // madvise // mincore // minherit // modctl // mq_close // mq_getattr // mq_notify // mq_open // mq_receive // mq_send // mq_setattr // mq_timedreceive // mq_timedsend // mq_unlink // mremap // msgget // msgrcv // msgsnd // nfssvc // ntp_adjtime // pmc_control // pmc_get_info // pollts // preadv // profil // pselect // pset_assign // pset_create // pset_destroy // ptrace // pwritev // quotactl // rasctl // readv // reboot // removexattr // sa_enable // sa_preempt // sa_register // sa_setconcurrency // sa_stacks // sa_yield // sbrk // sched_yield // semconfig // semget // semop // setcontext // setitimer // setxattr // shmat // shmdt // shmget // sstk // statvfs1 // swapctl // sysarch // syscall // timer_create // timer_delete // timer_getoverrun // timer_gettime // timer_settime // undelete // utrace // uuidgen // vadvise // vfork // writev