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syscall_openbsd.go
// 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. // OpenBSD 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 syscall import "unsafe" func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) type SockaddrDatalink struct { Len uint8 Family uint8 Index uint16 Type uint8 Nlen uint8 Alen uint8 Slen uint8 Data [24]int8 raw RawSockaddrDatalink } func nametomib(name string) (mib []_C_int, err error) { // Perform lookup via a binary search left := 0 right := len(sysctlMib) - 1 for { idx := int(uint(left+right) >> 1) switch { case name == sysctlMib[idx].ctlname: return sysctlMib[idx].ctloid, nil case name > sysctlMib[idx].ctlname: left = idx + 1 default: right = idx - 1 } if left > right { break } } return nil, EINVAL } func direntIno(buf []byte) (uint64, bool) { return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno)) } func direntReclen(buf []byte) (uint64, bool) { return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) } func direntNamlen(buf []byte) (uint64, bool) { return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) } func Pipe(p []int) error { return Pipe2(p, 0) } //sysnb pipe2(p *[2]_C_int, flags int) (err error) func Pipe2(p []int, flags int) error { if len(p) != 2 { return EINVAL } var pp [2]_C_int err := pipe2(&pp, flags) if err == nil { p[0] = int(pp[0]) p[1] = int(pp[1]) } return err } //sys accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) { var rsa RawSockaddrAny var len _Socklen = SizeofSockaddrAny nfd, err = accept4(fd, &rsa, &len, flags) if err != nil { return } if len > SizeofSockaddrAny { panic("RawSockaddrAny too small") } sa, err = anyToSockaddr(&rsa) if err != nil { Close(nfd) nfd = 0 } 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) } // TODO, see golang.org/issue/5847 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { return -1, ENOSYS } func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { var bufptr *Statfs_t var bufsize uintptr if len(buf) > 0 { bufptr = &buf[0] bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) } return getfsstat(bufptr, bufsize, flags) } /* * 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 dup3(from int, to int, flags int) (err error) //sys Fchdir(fd int) (err error) //sys Fchflags(fd int, flags int) (err error) //sys Fchmod(fd int, mode uint32) (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 Fstatfs(fd int, stat *Statfs_t) (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 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 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) //sys Setlogin(name string) (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 Statfs(path string, stat *Statfs_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 writev(fd int, iovecs []Iovec) (n uintptr, 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 getfsstat(stat *Statfs_t, bufsize uintptr, flags int) (n int, err error) //sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
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