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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/syscall/syscall_netbsd.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-upstream.tar.xz golang-1.20-upstream.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/syscall/syscall_netbsd.go')
-rw-r--r-- | src/syscall/syscall_netbsd.go | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/src/syscall/syscall_netbsd.go b/src/syscall/syscall_netbsd.go new file mode 100644 index 0000000..333dd3a --- /dev/null +++ b/src/syscall/syscall_netbsd.go @@ -0,0 +1,245 @@ +// 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 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) + +const ( + _SYS_DUP3 = SYS_DUP3 + _F_DUP2FD_CLOEXEC = 0 +) + +type SockaddrDatalink struct { + Len uint8 + Family uint8 + Index uint16 + Type uint8 + Nlen uint8 + Alen uint8 + Slen uint8 + Data [12]int8 + raw RawSockaddrDatalink +} + +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 +} + +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) (err 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 paccept(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, sigmask *sigset, 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 = paccept(fd, &rsa, &len, nil, 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 +} + +/* + * 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 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 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 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, flag int) (err error) +//sys getcwd(buf []byte) (n int, err error) = SYS___GETCWD +//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL |