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6201a963f1
enforce rule: all kernel data structures and constants go in syscall module. move things that should be in syscall out of net. make net a single package. R=r OCL=15985 CL=15994
109 lines
2.9 KiB
Go
109 lines
2.9 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Low-level socket interface.
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// Only for implementing net package.
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// DO NOT USE DIRECTLY.
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package syscall
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import "syscall"
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export func SockaddrToSockaddrInet4(s *Sockaddr) *SockaddrInet4;
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export func SockaddrToSockaddrInet6(s *Sockaddr) *SockaddrInet6;
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export func SockaddrInet4ToSockaddr(s *SockaddrInet4) *Sockaddr;
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export func SockaddrInet6ToSockaddr(s *SockaddrInet6) *Sockaddr;
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export func socket(domain, proto, typ int64) (ret int64, err int64) {
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r1, r2, e := Syscall(SYS_SOCKET, domain, proto, typ);
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return r1, e
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}
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export func connect(fd int64, sa *Sockaddr) (ret int64, err int64) {
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r1, r2, e := Syscall(SYS_CONNECT, fd, SockaddrPtr(sa), int64(sa.len));
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return r1, e
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}
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export func bind(fd int64, sa *Sockaddr) (ret int64, err int64) {
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r1, r2, e := Syscall(SYS_BIND, fd, SockaddrPtr(sa), int64(sa.len));
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return r1, e
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}
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export func listen(fd, n int64) (ret int64, err int64) {
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r1, r2, e := Syscall(SYS_LISTEN, fd, n, 0);
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return r1, e
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}
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export func accept(fd int64, sa *Sockaddr) (ret int64, err int64) {
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n := SizeofSockaddr;
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r1, r2, e := Syscall(SYS_ACCEPT, fd, SockaddrPtr(sa), Int32Ptr(&n));
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return r1, e
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}
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export func setsockopt(fd, level, opt, valueptr, length int64) (ret int64, err int64) {
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if fd < 0 {
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return -1, EINVAL
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}
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r1, r2, e := Syscall6(SYS_SETSOCKOPT, fd, level, opt, valueptr, length, 0);
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return r1, e
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}
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export func setsockopt_int(fd, level, opt int64, value int) int64 {
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n := int32(opt);
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r1, e := setsockopt(fd, level, opt, Int32Ptr(&n), 4)
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return e
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}
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export func setsockopt_tv(fd, level, opt, nsec int64) int64 {
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var tv Timeval;
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nsec += 999;
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tv.sec = int64(nsec/1000000000);
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tv.usec = uint32(nsec%1000000000);
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r1, e := setsockopt(fd, level, opt, TimevalPtr(&tv), 4)
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return e
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}
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export func setsockopt_linger(fd, level, opt int64, sec int) int64 {
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var l Linger;
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if sec != 0 {
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l.yes = 1;
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l.sec = sec
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} else {
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l.yes = 0;
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l.sec = 0
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}
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r1, err := setsockopt(fd, level, opt, LingerPtr(&l), 8)
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return err
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}
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/*
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export func getsockopt(fd, level, opt, valueptr, lenptr int64) (ret int64, errno int64) {
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r1, r2, err := Syscall6(SYS_GETSOCKOPT, fd, level, opt, valueptr, lenptr, 0);
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return r1, err;
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}
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*/
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export func kqueue() (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_KQUEUE, 0, 0, 0);
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return r1, err
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}
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export func kevent(kq int64, changes, events *[]Kevent, timeout *Timespec) (ret int64, errno int64) {
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var nchange, changeptr, nevent, eventptr int64;
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nchange = 0;
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changeptr = 0;
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nevent = 0;
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eventptr = 0;
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if changes != nil && len(changes) > 0 {
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changeptr = KeventPtr(&changes[0]);
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nchange = int64(len(changes))
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}
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if events != nil && len(events) > 0 {
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eventptr = KeventPtr(&events[0]);
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nevent = int64(len(events))
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}
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r1, r2, err := Syscall6(SYS_KEVENT, kq, changeptr, nchange,
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eventptr, nevent, TimespecPtr(timeout));
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return r1, err
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}
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