qbit/go
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update Go tree to use new syscall package.

Browse Source 
R=r
DELTA=713  (109 added, 386 deleted, 218 changed)
OCL=29707
CL=29722
This commit is contained in:
Russ Cox 2009-06-01 22:14:39 -07:00
parent 278b1ab053
commit 9e0fec9c9c
25 changed files with 292 additions and 570 deletions
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14
doc/progs/file.go
View File

@ -10,11 +10,11 @@ import (
)
type File struct {
fd int64; // file descriptor number
fd int; // file descriptor number
name string; // file name at Open time
}
func newFile(fd int64, name string) *File {
func newFile(fd int, name string) *File {
if fd < 0 {
return nil
}
@ -27,7 +27,7 @@ var (
Stderr = newFile(2, "/dev/stderr");
)
func Open(name string, mode int64, perm int64) (file *File, err os.Error) {
func Open(name string, mode int, perm int) (file *File, err os.Error) {
r, e := syscall.Open(name, mode, perm);
return newFile(r, name), os.ErrnoToError(e)
}
@ -36,16 +36,16 @@ func (file *File) Close() os.Error {
if file == nil {
return os.EINVAL
}
r, e := syscall.Close(file.fd);
e := syscall.Close(file.fd);
file.fd = -1; // so it can't be closed again
return nil
return os.ErrnoToError(e);
}
func (file *File) Read(b []byte) (ret int, err os.Error) {
if file == nil {
return -1, os.EINVAL
}
r, e := syscall.Read(file.fd, &b[0], int64(len(b)));
r, e := syscall.Read(file.fd, b);
return int(r), os.ErrnoToError(e)
}
@ -53,7 +53,7 @@ func (file *File) Write(b []byte) (ret int, err os.Error) {
if file == nil {
return -1, os.EINVAL
}
r, e := syscall.Write(file.fd, &b[0], int64(len(b)));
r, e := syscall.Write(file.fd, b);
return int(r), os.ErrnoToError(e)
}

2
doc/progs/run
View File

@ -46,7 +46,7 @@ function testitpipe {
testit helloworld "" "Hello, world; or Καλημέρα κόσμε; or こんにちは 世界"
testit helloworld3 "" "hello, world can't open file; err=No such file or directory"
testit helloworld3 "" "hello, world can't open file; err=no such file or directory"
testit echo "hello, world" "hello, world"
testit sum "" "6"

2
src/lib/exec/exec.go
View File

@ -139,7 +139,7 @@ Error:
// Setting options to 0 waits for p to exit;
// other options cause Wait to return for other
// process events; see package os for details.
func (p *Cmd) Wait(options uint64) (*os.Waitmsg, os.Error) {
func (p *Cmd) Wait(options int) (*os.Waitmsg, os.Error) {
if p.Pid < 0 {
return nil, os.EINVAL;
}

5
src/lib/net/Makefile
View File

@ -3,7 +3,7 @@
# license that can be found in the LICENSE file.
# DO NOT EDIT. Automatically generated by gobuild.
# gobuild -m dnsclient.go dnsconfig.go dnsmsg.go fd.go fd_${GOOS}.go ip.go net.go net_${GOOS}.go parse.go port.go >Makefile
# gobuild -m dnsclient.go dnsconfig.go dnsmsg.go fd.go fd_${GOOS}.go ip.go net.go parse.go port.go >Makefile
D=
@ -51,7 +51,6 @@ O2=\
O3=\
dnsconfig.$O\
fd.$O\
net_$(GOOS).$O\
O4=\
net.$O\
@ -72,7 +71,7 @@ a2: $(O2)
rm -f $(O2)
a3: $(O3)
$(AR) grc _obj$D/net.a dnsconfig.$O fd.$O net_$(GOOS).$O
$(AR) grc _obj$D/net.a dnsconfig.$O fd.$O
rm -f $(O3)
a4: $(O4)

62
src/lib/net/fd.go
View File

@ -17,7 +17,7 @@ import (
// Network file descriptor.
type netFD struct {
// immutable until Close
fd int64;
fd int;
file *os.File;
cr chan *netFD;
cw chan *netFD;
@ -37,28 +37,6 @@ type netFD struct {
ncr, ncw int;
}
// Make reads and writes on fd return EAGAIN instead of blocking.
func setNonblock(fd int64) os.Error {
flags, e := syscall.Fcntl(fd, syscall.F_GETFL, 0);
if e != 0 {
return os.ErrnoToError(e)
}
flags, e = syscall.Fcntl(fd, syscall.F_SETFL, flags | syscall.O_NONBLOCK);
if e != 0 {
return os.ErrnoToError(e)
}
return nil
}
// Make reads/writes blocking; last gasp, so no error checking.
func setBlock(fd int64) {
flags, e := syscall.Fcntl(fd, syscall.F_GETFL, 0);
if e != 0 {
return;
}
syscall.Fcntl(fd, syscall.F_SETFL, flags & ^syscall.O_NONBLOCK);
}
// A pollServer helps FDs determine when to retry a non-blocking
// read or write after they get EAGAIN. When an FD needs to wait,
// send the fd on s.cr (for a read) or s.cw (for a write) to pass the
@ -91,7 +69,7 @@ func setBlock(fd int64) {
type pollServer struct {
cr, cw chan *netFD; // buffered >= 1
pr, pw *os.File;
pending map[int64] *netFD;
pending map[int] *netFD;
poll *pollster; // low-level OS hooks
deadline int64; // next deadline (nsec since 1970)
}
@ -104,23 +82,26 @@ func newPollServer() (s *pollServer, err os.Error) {
if s.pr, s.pw, err = os.Pipe(); err != nil {
return nil, err
}
if err = setNonblock(s.pr.Fd()); err != nil {
var e int;
if e = syscall.SetNonblock(s.pr.Fd(), true); e != 0 {
Errno:
err = os.ErrnoToError(e);
Error:
s.pr.Close();
s.pw.Close();
return nil, err
return nil, err;
}
if err = setNonblock(s.pw.Fd()); err != nil {
goto Error
if e = syscall.SetNonblock(s.pw.Fd(), true); e != 0 {
goto Errno;
}
if s.poll, err = newpollster(); err != nil {
goto Error
goto Error;
}
if err = s.poll.AddFD(s.pr.Fd(), 'r', true); err != nil {
s.poll.Close();
goto Error
}
s.pending = make(map[int64] *netFD);
s.pending = make(map[int] *netFD);
go s.Run();
return s, nil
}
@ -168,7 +149,7 @@ func (s *pollServer) AddFD(fd *netFD, mode int) {
}
}
func (s *pollServer) LookupFD(fd int64, mode int) *netFD {
func (s *pollServer) LookupFD(fd int, mode int) *netFD {
key := fd << 1;
if mode == 'w' {
key++;
@ -318,12 +299,12 @@ func _StartServer() {
pollserver = p
}
func newFD(fd int64, net, laddr, raddr string) (f *netFD, err os.Error) {
func newFD(fd int, net, laddr, raddr string) (f *netFD, err os.Error) {
if pollserver == nil {
once.Do(_StartServer);
}
if err = setNonblock(fd); err != nil {
return nil, err
if e := syscall.SetNonblock(fd, true); e != 0 {
return nil, os.ErrnoToError(e);
}
f = new(netFD);
f.fd = fd;
@ -347,7 +328,7 @@ func (fd *netFD) Close() os.Error {
// we can handle the extra OS processes.
// Otherwise we'll need to use the pollserver
// for Close too. Sigh.
setBlock(fd.file.Fd());
syscall.SetNonblock(fd.file.Fd(), false);
e := fd.file.Close();
fd.file = nil;
@ -406,9 +387,9 @@ func (fd *netFD) Write(p []byte) (n int, err os.Error) {
return nn, err
}
func sockaddrToHostPort(sa *syscall.Sockaddr) (hostport string, err os.Error)
func sockaddrToString(sa syscall.Sockaddr) (name string, err os.Error)
func (fd *netFD) Accept(sa *syscall.Sockaddr) (nfd *netFD, err os.Error) {
func (fd *netFD) accept() (nfd *netFD, err os.Error) {
if fd == nil || fd.file == nil {
return nil, os.EINVAL
}
@ -417,9 +398,10 @@ func (fd *netFD) Accept(sa *syscall.Sockaddr) (nfd *netFD, err os.Error) {
// It is okay to hold the lock across syscall.Accept
// because we have put fd.fd into non-blocking mode.
syscall.ForkLock.RLock();
var s, e int64;
var s, e int;
var sa syscall.Sockaddr;
for {
s, e = syscall.Accept(fd.fd, sa);
s, sa, e = syscall.Accept(fd.fd);
if e != syscall.EAGAIN {
break;
}
@ -434,7 +416,7 @@ func (fd *netFD) Accept(sa *syscall.Sockaddr) (nfd *netFD, err os.Error) {
syscall.CloseOnExec(s);
syscall.ForkLock.RUnlock();
raddr, err1 := sockaddrToHostPort(sa);
raddr, err1 := sockaddrToString(sa);
if err1 != nil {
raddr = "invalid-address";
}

26
src/lib/net/fd_darwin.go
View File

@ -15,14 +15,14 @@ import (
var kqueuePhaseError = &Error{"kqueue phase error"}
type pollster struct {
kq int64;
kq int;
eventbuf [10]syscall.Kevent_t;
events []syscall.Kevent_t;
}
func newpollster() (p *pollster, err os.Error) {
p = new(pollster);
var e int64;
var e int;
if p.kq, e = syscall.Kqueue(); e != 0 {
return nil, os.ErrnoToError(e)
}
@ -30,7 +30,7 @@ func newpollster() (p *pollster, err os.Error) {
return p, nil
}
func (p *pollster) AddFD(fd int64, mode int, repeat bool) os.Error {
func (p *pollster) AddFD(fd int, mode int, repeat bool) os.Error {
var kmode int16;
if mode == 'r' {
kmode = syscall.EVFILT_READ
@ -39,7 +39,7 @@ func (p *pollster) AddFD(fd int64, mode int, repeat bool) os.Error {
}
var events [1]syscall.Kevent_t;
ev := &events[0];
ev.Ident = fd;
ev.Ident = uint64(fd);
ev.Filter = kmode;
// EV_ADD - add event to kqueue list
@ -55,16 +55,16 @@ func (p *pollster) AddFD(fd int64, mode int, repeat bool) os.Error {
if e != 0 {
return os.ErrnoToError(e)
}
if n != 1 || (ev.Flags & syscall.EV_ERROR) == 0 || ev.Ident != fd || ev.Filter != kmode {
if n != 1 || (ev.Flags & syscall.EV_ERROR) == 0 || ev.Ident != uint64(fd) || ev.Filter != kmode {
return kqueuePhaseError
}
if ev.Data != 0 {
return os.ErrnoToError(ev.Data)
return os.ErrnoToError(int(ev.Data))
}
return nil
}
func (p *pollster) DelFD(fd int64, mode int) {
func (p *pollster) DelFD(fd int, mode int) {
var kmode int16;
if mode == 'r' {
kmode = syscall.EVFILT_READ
@ -73,7 +73,7 @@ func (p *pollster) DelFD(fd int64, mode int) {
}
var events [1]syscall.Kevent_t;
ev := &events[0];
ev.Ident = fd;
ev.Ident = uint64(fd);
ev.Filter = kmode;
// EV_DELETE - delete event from kqueue list
@ -83,7 +83,7 @@ func (p *pollster) DelFD(fd int64, mode int) {
syscall.Kevent(p.kq, &events, &events, nil);
}
func (p *pollster) WaitFD(nsec int64) (fd int64, mode int, err os.Error) {
func (p *pollster) WaitFD(nsec int64) (fd int, mode int, err os.Error) {
var t *syscall.Timespec;
for len(p.events) == 0 {
if nsec > 0 {
@ -91,7 +91,8 @@ func (p *pollster) WaitFD(nsec int64) (fd int64, mode int, err os.Error) {
t = new(syscall.Timespec);
}
t.Sec = nsec / 1e9;
t.Nsec = uint64(nsec % 1e9);
t.Nsec = int64(nsec % 1e9);
// *t = syscall.NsecToTimespec(nsec);
}
nn, e := syscall.Kevent(p.kq, nil, &p.eventbuf, t);
if e != 0 {
@ -107,7 +108,7 @@ func (p *pollster) WaitFD(nsec int64) (fd int64, mode int, err os.Error) {
}
ev := &p.events[0];
p.events = p.events[1:len(p.events)];
fd = ev.Ident;
fd = int(ev.Ident);
if ev.Filter == syscall.EVFILT_READ {
mode = 'r'
} else {
@ -117,6 +118,5 @@ func (p *pollster) WaitFD(nsec int64) (fd int64, mode int, err os.Error) {
}
func (p *pollster) Close() os.Error {
r, e := syscall.Close(p.kq);
return os.ErrnoToError(e)
return os.ErrnoToError(syscall.Close(p.kq))
}

39
src/lib/net/fd_linux.go
View File

@ -18,27 +18,27 @@ const (
)
type pollster struct {
epfd int64;
epfd int;
// Events we're already waiting for
events map[int64] uint32;
events map[int] uint32;
}
func newpollster() (p *pollster, err os.Error) {
p = new(pollster);
var e int64;
var e int;
// The arg to epoll_create is a hint to the kernel
// about the number of FDs we will care about.
// We don't know.
if p.epfd, e = syscall.Epoll_create(16); e != 0 {
if p.epfd, e = syscall.EpollCreate(16); e != 0 {
return nil, os.ErrnoToError(e)
}
p.events = make(map[int64] uint32);
p.events = make(map[int] uint32);
return p, nil
}
func (p *pollster) AddFD(fd int64, mode int, repeat bool) os.Error {
func (p *pollster) AddFD(fd int, mode int, repeat bool) os.Error {
var ev syscall.EpollEvent;
var already bool;
ev.Fd = int32(fd);
@ -52,20 +52,20 @@ func (p *pollster) AddFD(fd int64, mode int, repeat bool) os.Error {
ev.Events |= writeFlags;
}
var op int64;
var op int;
if already {
op = syscall.EPOLL_CTL_MOD;
} else {
op = syscall.EPOLL_CTL_ADD;
}
if e := syscall.Epoll_ctl(p.epfd, op, fd, &ev); e != 0 {
if e := syscall.EpollCtl(p.epfd, op, fd, &ev); e != 0 {
return os.ErrnoToError(e)
}
p.events[fd] = ev.Events;
return nil
}
func (p *pollster) StopWaiting(fd int64, bits uint) {
func (p *pollster) StopWaiting(fd int, bits uint) {
events, already := p.events[fd];
if !already {
print("Epoll unexpected fd=", fd, "\n");
@ -86,19 +86,19 @@ func (p *pollster) StopWaiting(fd int64, bits uint) {
var ev syscall.EpollEvent;
ev.Fd = int32(fd);
ev.Events = events;
if e := syscall.Epoll_ctl(p.epfd, syscall.EPOLL_CTL_MOD, fd, &ev); e != 0 {
if e := syscall.EpollCtl(p.epfd, syscall.EPOLL_CTL_MOD, fd, &ev); e != 0 {
print("Epoll modify fd=", fd, ": ", os.ErrnoToError(e).String(), "\n");
}
p.events[fd] = events;
} else {
if e := syscall.Epoll_ctl(p.epfd, syscall.EPOLL_CTL_DEL, fd, nil); e != 0 {
if e := syscall.EpollCtl(p.epfd, syscall.EPOLL_CTL_DEL, fd, nil); e != 0 {
print("Epoll delete fd=", fd, ": ", os.ErrnoToError(e).String(), "\n");
}
p.events[fd] = 0, false;
}
}
func (p *pollster) DelFD(fd int64, mode int) {
func (p *pollster) DelFD(fd int, mode int) {
if mode == 'r' {
p.StopWaiting(fd, readFlags);
} else {
@ -106,17 +106,17 @@ func (p *pollster) DelFD(fd int64, mode int) {
}
}
func (p *pollster) WaitFD(nsec int64) (fd int64, mode int, err os.Error) {
func (p *pollster) WaitFD(nsec int64) (fd int, mode int, err os.Error) {
// Get an event.
var evarray [1]syscall.EpollEvent;
ev := &evarray[0];
var msec int64 = -1;
var msec int = -1;
if nsec > 0 {
msec = (nsec + 1e6 - 1)/1e6;
msec = int((nsec + 1e6 - 1)/1e6);
}
n, e := syscall.Epoll_wait(p.epfd, &evarray, msec);
n, e := syscall.EpollWait(p.epfd, &evarray, msec);
for e == syscall.EAGAIN || e == syscall.EINTR {
n, e = syscall.Epoll_wait(p.epfd, &evarray, msec);
n, e = syscall.EpollWait(p.epfd, &evarray, msec);
}
if e != 0 {
return -1, 0, os.ErrnoToError(e);
@ -124,7 +124,7 @@ func (p *pollster) WaitFD(nsec int64) (fd int64, mode int, err os.Error) {
if n == 0 {
return -1, 0, nil;
}
fd = int64(ev.Fd);
fd = int(ev.Fd);
if ev.Events & writeFlags != 0 {
p.StopWaiting(fd, writeFlags);
@ -146,6 +146,5 @@ func (p *pollster) WaitFD(nsec int64) (fd int64, mode int, err os.Error) {
}
func (p *pollster) Close() os.Error {
r, e := syscall.Close(p.epfd);
return os.ErrnoToError(e);
return os.ErrnoToError(syscall.Close(p.epfd));
}

152
src/lib/net/net.go
View File

@ -113,6 +113,12 @@ func kernelSupportsIPv6() bool {
var preferIPv4 = !kernelSupportsIPv6()
// TODO(rsc): if syscall.OS == "linux", we're supposd to read
// /proc/sys/net/core/somaxconn,
// to take advantage of kernels that have raised the limit.
func listenBacklog() int {
return syscall.SOMAXCONN
}
func LookupHost(name string) (cname string, addrs []string, err os.Error)
@ -212,20 +218,48 @@ func hostPortToIP(net, hostport, mode string) (ip IP, iport int, err os.Error) {
return addr, p, nil
}
// Convert socket address into "host:port".
func sockaddrToHostPort(sa *syscall.Sockaddr) (hostport string, err os.Error) {
switch sa.Family {
case syscall.AF_INET, syscall.AF_INET6:
addr, port, e := sockaddrToIP(sa);
if e != nil {
return "", e
}
host := addr.String();
return joinHostPort(host, strconv.Itoa(port)), nil;
default:
return "", UnknownSocketFamily
func sockaddrToString(sa syscall.Sockaddr) (name string, err os.Error) {
switch a := sa.(type) {
case *syscall.SockaddrInet4:
return joinHostPort(IP(&a.Addr).String(), strconv.Itoa(a.Port)), nil;
case *syscall.SockaddrInet6:
return joinHostPort(IP(&a.Addr).String(), strconv.Itoa(a.Port)), nil;
case *syscall.SockaddrUnix:
return a.Name, nil;
}
return "", nil // not reached
return "", UnknownSocketFamily
}
func ipToSockaddr(family int, ip IP, port int) (syscall.Sockaddr, os.Error) {
switch family {
case syscall.AF_INET:
if ip = ip.To4(); ip == nil {
return nil, os.EINVAL
}
s := new(syscall.SockaddrInet4);
for i := 0; i < IPv4len; i++ {
s.Addr[i] = ip[i];
}
s.Port = port;
return s, nil;
case syscall.AF_INET6:
// IPv4 callers use 0.0.0.0 to mean "announce on any available address".
// In IPv6 mode, Linux treats that as meaning "announce on 0.0.0.0",
// which it refuses to do. Rewrite to the IPv6 all zeros.
if p4 := ip.To4(); p4 != nil && p4[0] == 0 && p4[1] == 0 && p4[2] == 0 && p4[3] == 0 {
ip = IPzero;
}
if ip = ip.To16(); ip == nil {
return nil, os.EINVAL
}
s := new(syscall.SockaddrInet6);
for i := 0; i < IPv6len; i++ {
s.Addr[i] = ip[i];
}
s.Port = port;
return s, nil;
}
return nil, os.EINVAL;
}
// Boolean to int.
@ -237,7 +271,7 @@ func boolint(b bool) int {
}
// Generic socket creation.
func socket(net, laddr, raddr string, f, p, t int64, la, ra *syscall.Sockaddr) (fd *netFD, err os.Error) {
func socket(net, laddr, raddr string, f, p, t int, la, ra syscall.Sockaddr) (fd *netFD, err os.Error) {
// See ../syscall/exec.go for description of ForkLock.
syscall.ForkLock.RLock();
s, e := syscall.Socket(f, p, t);
@ -249,11 +283,11 @@ func socket(net, laddr, raddr string, f, p, t int64, la, ra *syscall.Sockaddr) (
syscall.ForkLock.RUnlock();
// Allow reuse of recently-used addresses.
syscall.Setsockopt_int(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1);
syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1);
var r int64;
if la != nil {
r, e = syscall.Bind(s, la);
e = syscall.Bind(s, la);
if e != 0 {
syscall.Close(s);
return nil, os.ErrnoToError(e)
@ -261,7 +295,7 @@ func socket(net, laddr, raddr string, f, p, t int64, la, ra *syscall.Sockaddr) (
}
if ra != nil {
r, e = syscall.Connect(s, ra);
e = syscall.Connect(s, ra);
if e != 0 {
syscall.Close(s);
return nil, os.ErrnoToError(e)
@ -291,7 +325,7 @@ func (c *connBase) File() *os.File {
return c.fd.file;
}
func (c *connBase) sysFD() int64 {
func (c *connBase) sysFD() int {
if c == nil || c.fd == nil {
return -1;
}
@ -335,20 +369,21 @@ func (c *connBase) Close() os.Error {
}
func setsockopt_int(fd, level, opt int64, value int) os.Error {
return os.ErrnoToError(syscall.Setsockopt_int(fd, level, opt, value));
func setsockoptInt(fd, level, opt int, value int) os.Error {
return os.ErrnoToError(syscall.SetsockoptInt(fd, level, opt, value));
}
func setsockopt_tv(fd, level, opt int64, nsec int64) os.Error {
return os.ErrnoToError(syscall.Setsockopt_tv(fd, level, opt, nsec));
func setsockoptNsec(fd, level, opt int, nsec int64) os.Error {
var tv = syscall.NsecToTimeval(nsec);
return os.ErrnoToError(syscall.SetsockoptTimeval(fd, level, opt, &tv));
}
func (c *connBase) SetReadBuffer(bytes int) os.Error {
return setsockopt_int(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_RCVBUF, bytes);
return setsockoptInt(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_RCVBUF, bytes);
}
func (c *connBase) SetWriteBuffer(bytes int) os.Error {
return setsockopt_int(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_SNDBUF, bytes);
return setsockoptInt(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_SNDBUF, bytes);
}
func (c *connBase) SetReadTimeout(nsec int64) os.Error {
@ -369,7 +404,7 @@ func (c *connBase) SetTimeout(nsec int64) os.Error {
}
func (c *connBase) SetReuseAddr(reuse bool) os.Error {
return setsockopt_int(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_REUSEADDR, boolint(reuse));
return setsockoptInt(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_REUSEADDR, boolint(reuse));
}
func (c *connBase) BindToDevice(dev string) os.Error {
@ -378,22 +413,30 @@ func (c *connBase) BindToDevice(dev string) os.Error {
}
func (c *connBase) SetDontRoute(dontroute bool) os.Error {
return setsockopt_int(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_DONTROUTE, boolint(dontroute));
return setsockoptInt(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_DONTROUTE, boolint(dontroute));
}
func (c *connBase) SetKeepAlive(keepalive bool) os.Error {
return setsockopt_int(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, boolint(keepalive));
return setsockoptInt(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, boolint(keepalive));
}
func (c *connBase) SetLinger(sec int) os.Error {
e := syscall.Setsockopt_linger(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_LINGER, sec);
var l syscall.Linger;
if sec >= 0 {
l.Onoff = 1;
l.Linger = int32(sec);
} else {
l.Onoff = 0;
l.Linger = 0;
}
e := syscall.SetsockoptLinger(c.sysFD(), syscall.SOL_SOCKET, syscall.SO_LINGER, &l);
return os.ErrnoToError(e);
}
// Internet sockets (TCP, UDP)
func internetSocket(net, laddr, raddr string, proto int64, mode string) (fd *netFD, err os.Error) {
func internetSocket(net, laddr, raddr string, proto int, mode string) (fd *netFD, err os.Error) {
// Parse addresses (unless they are empty).
var lip, rip IP;
var lport, rport int;
@ -430,25 +473,22 @@ func internetSocket(net, laddr, raddr string, proto int64, mode string) (fd *net
}
}
var cvt func(addr IP, port int) (sa *syscall.Sockaddr, err os.Error);
var family int64;
var family int;
if vers == 4 {
cvt = v4ToSockaddr;
family = syscall.AF_INET
} else {
cvt = v6ToSockaddr;
family = syscall.AF_INET6
}
var la, ra *syscall.Sockaddr;
var la, ra syscall.Sockaddr;
if lip != nil {
la, lerr = cvt(lip, lport);
la, lerr = ipToSockaddr(family, lip, lport);
if lerr != nil {
return nil, lerr
}
}
if rip != nil {
ra, rerr = cvt(rip, rport);
ra, rerr = ipToSockaddr(family, rip, rport);
if rerr != nil {
return nil, rerr
}
@ -471,7 +511,7 @@ func (c *ConnTCP) SetNoDelay(nodelay bool) os.Error {
if c == nil {
return os.EINVAL
}
return setsockopt_int(c.sysFD(), syscall.IPPROTO_TCP, syscall.TCP_NODELAY, boolint(nodelay))
return setsockoptInt(c.sysFD(), syscall.IPPROTO_TCP, syscall.TCP_NODELAY, boolint(nodelay))
}
func newConnTCP(fd *netFD, raddr string) *ConnTCP {
@ -535,7 +575,7 @@ func DialUDP(net, laddr, raddr string) (c *ConnUDP, err os.Error) {
// Unix domain sockets
func unixSocket(net, laddr, raddr string, mode string) (fd *netFD, err os.Error) {
var proto int64;
var proto int;
switch net {
default:
return nil, UnknownNetwork;
@ -545,7 +585,7 @@ func unixSocket(net, laddr, raddr string, mode string) (fd *netFD, err os.Error)
proto = syscall.SOCK_DGRAM;
}
var la, ra *syscall.Sockaddr;
var la, ra syscall.Sockaddr;
switch mode {
case "dial":
if laddr != "" {
@ -554,19 +594,13 @@ func unixSocket(net, laddr, raddr string, mode string) (fd *netFD, err os.Error)
if raddr == "" {
return nil, MissingAddress;
}
ra, err = unixToSockaddr(raddr);
if err != nil {
return nil, err;
}
ra = &syscall.SockaddrUnix{Name: raddr};
case "listen":
if laddr == "" {
return nil, MissingAddress;
}
la, err = unixToSockaddr(laddr);
if err != nil {
return nil, err;
}
la = &syscall.SockaddrUnix{Name: laddr};
if raddr != "" {
return nil, BadAddress;
}
@ -636,7 +670,7 @@ func ListenUnix(net, laddr string) (l *ListenerUnix, err os.Error) {
}
fd = fd1;
}
r, e1 := syscall.Listen(fd.fd, 8); // listenBacklog());
e1 := syscall.Listen(fd.fd, 8); // listenBacklog());
if e1 != 0 {
syscall.Close(fd.fd);
return nil, os.ErrnoToError(e1);
@ -650,17 +684,11 @@ func (l *ListenerUnix) AcceptUnix() (c *ConnUnix, raddr string, err os.Error) {
if l == nil || l.fd == nil || l.fd.fd < 0 {
return nil, "", os.EINVAL
}
var sa syscall.Sockaddr;
fd, e := l.fd.Accept(&sa);
fd, e := l.fd.accept();
if e != nil {
return nil, "", e
}
raddr, err = sockaddrToUnix(&sa);
if err != nil {
fd.Close();
return nil, "", err
}
return newConnUnix(fd, raddr), raddr, nil
return newConnUnix(fd, fd.raddr), raddr, nil
}
// Accept implements the Accept method in the Listener interface;
@ -765,7 +793,7 @@ func ListenTCP(net, laddr string) (l *ListenerTCP, err os.Error) {
if e != nil {
return nil, e
}
r, e1 := syscall.Listen(fd.fd, listenBacklog());
e1 := syscall.Listen(fd.fd, listenBacklog());
if e1 != 0 {
syscall.Close(fd.fd);
return nil, os.ErrnoToError(e1)
@ -781,17 +809,11 @@ func (l *ListenerTCP) AcceptTCP() (c *ConnTCP, raddr string, err os.Error) {
if l == nil || l.fd == nil || l.fd.fd < 0 {
return nil, "", os.EINVAL
}
var sa syscall.Sockaddr;
fd, e := l.fd.Accept(&sa);
fd, e := l.fd.accept();
if e != nil {
return nil, "", e
}
raddr, err = sockaddrToHostPort(&sa);
if err != nil {
fd.Close();
return nil, "", err
}
return newConnTCP(fd, raddr), raddr, nil
return newConnTCP(fd, fd.raddr), fd.raddr, nil
}
// Accept implements the Accept method in the Listener interface;

100
src/lib/net/net_darwin.go
View File

@ -1,100 +0,0 @@
// Copyright 2009 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.
package net
import (
"net";
"os";
"syscall";
"unsafe";
)
func v4ToSockaddr(p IP, port int) (sa1 *syscall.Sockaddr, err os.Error) {
p = p.To4();
if p == nil || port < 0 || port > 0xFFFF {
return nil, os.EINVAL
}
sa := new(syscall.SockaddrInet4);
sa.Len = syscall.SizeofSockaddrInet4;
sa.Family = syscall.AF_INET;
sa.Port[0] = byte(port>>8);
sa.Port[1] = byte(port);
for i := 0; i < IPv4len; i++ {
sa.Addr[i] = p[i]
}
return (*syscall.Sockaddr)(unsafe.Pointer(sa)), nil
}
func v6ToSockaddr(p IP, port int) (sa1 *syscall.Sockaddr, err os.Error) {
p = p.To16();
if p == nil || port < 0 || port > 0xFFFF {
return nil, os.EINVAL
}
sa := new(syscall.SockaddrInet6);
sa.Len = syscall.SizeofSockaddrInet6;
sa.Family = syscall.AF_INET6;
sa.Port[0] = byte(port>>8);
sa.Port[1] = byte(port);
for i := 0; i < IPv6len; i++ {
sa.Addr[i] = p[i]
}
return (*syscall.Sockaddr)(unsafe.Pointer(sa)), nil
}
func sockaddrToIP(sa1 *syscall.Sockaddr) (p IP, port int, err os.Error) {
switch sa1.Family {
case syscall.AF_INET:
sa := (*syscall.SockaddrInet4)(unsafe.Pointer(sa1));
a := IP(&sa.Addr).To16();
if a == nil {
return nil, 0, os.EINVAL
}
return a, int(sa.Port[0])<<8 + int(sa.Port[1]), nil;
case syscall.AF_INET6:
sa := (*syscall.SockaddrInet6)(unsafe.Pointer(sa1));
a := IP(&sa.Addr).To16();
if a == nil {
return nil, 0, os.EINVAL
}
return nil, int(sa.Port[0])<<8 + int(sa.Port[1]), nil;
default:
return nil, 0, os.EINVAL
}
return nil, 0, nil // not reached
}
func listenBacklog() int64 {
return syscall.SOMAXCONN
}
func unixToSockaddr(name string) (sa1 *syscall.Sockaddr, err os.Error) {
sa := new(syscall.SockaddrUnix);
n := len(name);
if n >= len(sa.Path) || n == 0 {
return nil, os.EINVAL;
}
sa.Len = byte(3 + n); // 2 for Family, Len; 1 for NUL
sa.Family = syscall.AF_UNIX;
for i := 0; i < len(name); i++ {
sa.Path[i] = name[i];
}
return (*syscall.Sockaddr)(unsafe.Pointer(sa)), nil;
}
func sockaddrToUnix(sa1 *syscall.Sockaddr) (string, os.Error) {
if sa1.Family != syscall.AF_UNIX || sa1.Len < 3 || sa1.Len > syscall.SizeofSockaddrUnix {
return "", os.EINVAL;
}
sa := (*syscall.SockaddrUnix)(unsafe.Pointer(sa1));
n := int(sa.Len) - 3; // subtract leading Family, Len, terminating NUL
for i := 0; i < n; i++ {
if sa.Path[i] == 0 {
// found early NUL; assume Len is overestimating
n = i;
break;
}
}
return string(sa.Path[0:n]), nil;
}

124
src/lib/net/net_linux.go
View File

@ -1,124 +0,0 @@
// Copyright 2009 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.
package net
import (
"net";
"os";
"syscall";
"unsafe";
)
func v4ToSockaddr(p IP, port int) (sa1 *syscall.Sockaddr, err os.Error) {
p = p.To4();
if p == nil || port < 0 || port > 0xFFFF {
return nil, os.EINVAL
}
sa := new(syscall.SockaddrInet4);
sa.Family = syscall.AF_INET;
sa.Port[0] = byte(port>>8);
sa.Port[1] = byte(port);
for i := 0; i < IPv4len; i++ {
sa.Addr[i] = p[i]
}
return (*syscall.Sockaddr)(unsafe.Pointer(sa)), nil
}
func v6ToSockaddr(p IP, port int) (sa1 *syscall.Sockaddr, err os.Error) {
p = p.To16();
if p == nil || port < 0 || port > 0xFFFF {
return nil, os.EINVAL
}
// IPv4 callers use 0.0.0.0 to mean "announce on any available address".
// In IPv6 mode, Linux treats that as meaning "announce on 0.0.0.0",
// which it refuses to do. Rewrite to the IPv6 all zeros.
if p4 := p.To4(); p4 != nil && p4[0] == 0 && p4[1] == 0 && p4[2] == 0 && p4[3] == 0 {
p = IPzero;
}
sa := new(syscall.SockaddrInet6);
sa.Family = syscall.AF_INET6;
sa.Port[0] = byte(port>>8);
sa.Port[1] = byte(port);
for i := 0; i < IPv6len; i++ {
sa.Addr[i] = p[i]
}
return (*syscall.Sockaddr)(unsafe.Pointer(sa)), nil
}
func sockaddrToIP(sa1 *syscall.Sockaddr) (p IP, port int, err os.Error) {
switch sa1.Family {
case syscall.AF_INET:
sa := (*syscall.SockaddrInet4)(unsafe.Pointer(sa1));
a := IP(&sa.Addr).To16();
if a == nil {
return nil, 0, os.EINVAL
}
return a, int(sa.Port[0])<<8 + int(sa.Port[1]), nil;
case syscall.AF_INET6:
sa := (*syscall.SockaddrInet6)(unsafe.Pointer(sa1));
a := IP(&sa.Addr).To16();
if a == nil {
return nil, 0, os.EINVAL
}
return a, int(sa.Port[0])<<8 + int(sa.Port[1]), nil;
default:
return nil, 0, os.EINVAL
}
return nil, 0, nil // not reached
}
func listenBacklog() int64 {
// TODO: Read the limit from /proc/sys/net/core/somaxconn,
// to take advantage of kernels that have raised the limit.
return syscall.SOMAXCONN
}
func unixToSockaddr(name string) (sa1 *syscall.Sockaddr, err os.Error) {
sa := new(syscall.SockaddrUnix);
n := len(name);
if n >= len(sa.Path) || n == 0 {
return nil, os.EINVAL;
}
sa.Family = syscall.AF_UNIX;
for i := 0; i < len(name); i++ {
sa.Path[i] = name[i];
}
// Special case: @ in first position indicates
// an abstract socket, which has no file system
// representation and starts with a NUL byte
// when talking to the kernel about it.
if sa.Path[0] == '@' {
sa.Path[0] = 0;
}
sa.Length = 1 + int64(n) + 1; // family, name, \0
return (*syscall.Sockaddr)(unsafe.Pointer(sa)), nil;
}
func sockaddrToUnix(sa1 *syscall.Sockaddr) (string, os.Error) {
if sa1.Family != syscall.AF_UNIX {
return "", os.EINVAL;
}
sa := (*syscall.SockaddrUnix)(unsafe.Pointer(sa1));
// @ special case (see comment in unixToSockaddr).
if sa.Path[0] == 0 {
// Not friendly to overwrite in place but
// okay in an internal function.
// The caller doesn't care if we do.
sa.Path[0] = '@';
}
// count length of path
n := 0;
for n < len(sa.Path) && sa.Path[n] != 0 {
n++;
}
return string(sa.Path[0:n]), nil;
}

2
src/lib/net/timeout_test.go
View File

@ -30,7 +30,7 @@ func testTimeout(t *testing.T, network, addr string) {
}
}
func TestTmeoutUDP(t *testing.T) {
func TestTimeoutUDP(t *testing.T) {
testTimeout(t, "udp", "127.0.0.1:53");
}

13
src/lib/os/Makefile
View File

@ -3,7 +3,7 @@
# license that can be found in the LICENSE file.
# DO NOT EDIT. Automatically generated by gobuild.
# gobuild -m dir_${GOARCH}_${GOOS}.go env.go error.go file.go path.go proc_${GOOS}.go stat_${GOARCH}_${GOOS}.go time.go types.go exec.go user.go getwd.go >Makefile
# gobuild -m dir_${GOARCH}_${GOOS}.go env.go error.go file.go path.go stat_${GOARCH}_${GOOS}.go time.go types.go exec.go proc.go getwd.go >Makefile
D=
@ -41,16 +41,15 @@ coverage: packages
O1=\
error.$O\
proc_$(GOOS).$O\
types.$O\
O2=\
env.$O\
proc.$O\
stat_$(GOARCH)_$(GOOS).$O\
time.$O\
user.$O\
O3=\
env.$O\
file.$O\
O4=\
@ -64,15 +63,15 @@ phases: a1 a2 a3 a4
_obj$D/os.a: phases
a1: $(O1)
$(AR) grc _obj$D/os.a error.$O proc_$(GOOS).$O types.$O
$(AR) grc _obj$D/os.a error.$O types.$O
rm -f $(O1)
a2: $(O2)
$(AR) grc _obj$D/os.a env.$O stat_$(GOARCH)_$(GOOS).$O time.$O user.$O
$(AR) grc _obj$D/os.a proc.$O stat_$(GOARCH)_$(GOOS).$O time.$O
rm -f $(O2)
a3: $(O3)
$(AR) grc _obj$D/os.a file.$O
$(AR) grc _obj$D/os.a env.$O file.$O
rm -f $(O3)
a4: $(O4)

20
src/lib/os/dir_amd64_darwin.go
View File

@ -32,25 +32,31 @@ func readdirnames(file *File, count int) (names []string, err Error) {
for count != 0 {
// Refill the buffer if necessary
if d.bufp >= d.nbuf {
var errno int64;
// Final argument is (basep *int64) and the syscall doesn't take nil.
d.nbuf, errno = syscall.Getdirentries(file.fd, &d.buf[0], int64(len(d.buf)), new(int64));
if d.nbuf < 0 {
var errno int;
d.bufp = 0;
// Final argument is (basep *uintptr) and the syscall doesn't take nil.
d.nbuf, errno = syscall.Getdirentries(file.fd, d.buf, new(uintptr));
if errno != 0 {
d.nbuf = 0;
return names, ErrnoToError(errno)
}
if d.nbuf == 0 {
break // EOF
}
d.bufp = 0;
}
// Drain the buffer
for count != 0 && d.bufp < d.nbuf {
dirent := (*syscall.Dirent)(unsafe.Pointer(&d.buf[d.bufp]));
d.bufp += int64(dirent.Reclen);
if dirent.Reclen == 0 {
d.bufp = d.nbuf;
break
}
d.bufp += int(dirent.Reclen);
if dirent.Ino == 0 { // File absent in directory.
continue
}
var name = string(dirent.Name[0:dirent.Namlen]);
bytes := (*[len(dirent.Name)]byte)(unsafe.Pointer(&dirent.Name[0]));
var name = string(bytes[0:dirent.Namlen]);
if name == "." || name == ".." { // Useless names
continue
}

10
src/lib/os/dir_amd64_linux.go
View File

@ -41,9 +41,8 @@ func readdirnames(file *File, count int) (names []string, err Error) {
for count != 0 {
// Refill the buffer if necessary
if d.bufp >= d.nbuf {
var errno int64;
dbuf := (*syscall.Dirent)(unsafe.Pointer(&d.buf[0]));
d.nbuf, errno = syscall.Getdents(file.fd, dbuf, int64(len(d.buf)));
var errno int;
d.nbuf, errno = syscall.Getdents(file.fd, d.buf);
if d.nbuf < 0 {
return names, ErrnoToError(errno)
}
@ -55,11 +54,12 @@ func readdirnames(file *File, count int) (names []string, err Error) {
// Drain the buffer
for count != 0 && d.bufp < d.nbuf {
dirent := (*syscall.Dirent)(unsafe.Pointer(&d.buf[d.bufp]));
d.bufp += int64(dirent.Reclen);
d.bufp += int(dirent.Reclen);
if dirent.Ino == 0 { // File absent in directory.
continue
}
var name = string(dirent.Name[0:clen(&dirent.Name)]);
bytes := (*[len(dirent.Name)]byte)(unsafe.Pointer(&dirent.Name[0]));
var name = string(bytes[0:clen(bytes)]);
if name == "." || name == ".." { // Useless names
continue
}

5
src/lib/os/error.go
View File

@ -27,12 +27,12 @@ func NewError(s string) Error {
// wrappers to convert the error number into an Error.
type Errno int64
func (e Errno) String() string {
return syscall.Errstr(int64(e))
return syscall.Errstr(int(e))
}
// ErrnoToError converts errno to an Error (underneath, an Errno).
// It returns nil for the "no error" errno.
func ErrnoToError(errno int64) Error {
func ErrnoToError(errno int) Error {
if errno == 0 {
return nil
}
@ -41,7 +41,6 @@ func ErrnoToError(errno int64) Error {
// Commonly known Unix errors.
var (
ENONE Error = Errno(syscall.ENONE);
EPERM Error = Errno(syscall.EPERM);
ENOENT Error = Errno(syscall.ENOENT);
ESRCH Error = Errno(syscall.ESRCH);

8
src/lib/os/exec.go
View File

@ -20,7 +20,7 @@ func ForkExec(argv0 string, argv []string, envv []string, dir string, fd []*File
(pid int, err Error)
{
// Create array of integer (system) fds.
intfd := make([]int64, len(fd));
intfd := make([]int, len(fd));
for i, f := range(fd) {
if f == nil {
intfd[i] = -1;
@ -64,20 +64,20 @@ const (
WNOHANG = syscall.WNOHANG; // Don't wait if no process has exited.
WSTOPPED = syscall.WSTOPPED; // If set, status of stopped subprocesses is also reported.
WUNTRACED = WSTOPPED;
WRUSAGE = 1<<60; // Record resource usage.
WRUSAGE = 1<<30; // Record resource usage.
)
// Wait waits for process pid to exit or stop, and then returns a
// Waitmsg describing its status and an Error, if any. The options
// (WNOHANG etc.) affect the behavior of the Wait call.
func Wait(pid int, options uint64) (w *Waitmsg, err Error) {
func Wait(pid int, options int) (w *Waitmsg, err Error) {
var status syscall.WaitStatus;
var rusage *syscall.Rusage;
if options & WRUSAGE != 0 {
rusage = new(syscall.Rusage);
options ^= WRUSAGE;
}
pid1, e := syscall.Wait4(int64(pid), &status, int64(options), rusage);
pid1, e := syscall.Wait4(pid, &status, options, rusage);
if e != 0 {
return nil, ErrnoToError(e);
}

107
src/lib/os/file.go
View File

@ -14,20 +14,20 @@ import (
// Auxiliary information if the File describes a directory
type dirInfo struct {
buf []byte; // buffer for directory I/O
nbuf int64; // length of buf; return value from Getdirentries
bufp int64; // location of next record in buf.
nbuf int; // length of buf; return value from Getdirentries
bufp int; // location of next record in buf.
}
// File represents an open file descriptor.
type File struct {
fd int64;
fd int;
name string;
dirinfo *dirInfo; // nil unless directory being read
nepipe int; // number of consecutive EPIPE in Write
}
// Fd returns the integer Unix file descriptor referencing the open file.
func (file *File) Fd() int64 {
func (file *File) Fd() int {
return file.fd
}
@ -37,7 +37,7 @@ func (file *File) Name() string {
}
// NewFile returns a new File with the given file descriptor and name.
func NewFile(file int64, name string) *File {
func NewFile(file int, name string) *File {
if file < 0 {
return nil
}
@ -72,7 +72,7 @@ const (
// if applicable. If successful, methods on the returned File can be used for I/O.
// It returns the File and an Error, if any.
func Open(name string, flag int, perm int) (file *File, err Error) {
r, e := syscall.Open(name, int64(flag | syscall.O_CLOEXEC), int64(perm));
r, e := syscall.Open(name, flag | syscall.O_CLOEXEC, perm);
if e != 0 {
return nil, ErrnoToError(e);
}
@ -92,9 +92,9 @@ func (file *File) Close() Error {
if file == nil {
return EINVAL
}
r, e := syscall.Close(file.fd);
err := ErrnoToError(syscall.Close(file.fd));
file.fd = -1; // so it can't be closed again
return ErrnoToError(e)
return err;
}
// Read reads up to len(b) bytes from the File.
@ -105,14 +105,11 @@ func (file *File) Read(b []byte) (ret int, err Error) {
if file == nil {
return 0, EINVAL
}
var r, e int64;
if len(b) > 0 { // because we access b[0]
r, e = syscall.Read(file.fd, &b[0], int64(len(b)));
if r < 0 {
r = 0
}
n, e := syscall.Read(file.fd, b);
if n < 0 {
n = 0;
}
return int(r), ErrnoToError(e)
return n, ErrnoToError(e);
}
// Write writes len(b) bytes to the File.
@ -122,12 +119,9 @@ func (file *File) Write(b []byte) (ret int, err Error) {
if file == nil {
return 0, EINVAL
}
var r, e int64;
if len(b) > 0 { // because we access b[0]
r, e = syscall.Write(file.fd, &b[0], int64(len(b)));
if r < 0 {
r = 0
}
n, e := syscall.Write(file.fd, b);
if n < 0 {
n = 0
}
if e == syscall.EPIPE {
file.nepipe++;
@ -137,7 +131,7 @@ func (file *File) Write(b []byte) (ret int, err Error) {
} else {
file.nepipe = 0;
}
return int(r), ErrnoToError(e)
return n, ErrnoToError(e)
}
// Seek sets the offset for the next Read or Write on file to offset, interpreted
@ -145,7 +139,7 @@ func (file *File) Write(b []byte) (ret int, err Error) {
// relative to the current offset, and 2 means relative to the end.
// It returns the new offset and an Error, if any.
func (file *File) Seek(offset int64, whence int) (ret int64, err Error) {
r, e := syscall.Seek(file.fd, offset, int64(whence));
r, e := syscall.Seek(file.fd, offset, whence);
if e != 0 {
return -1, ErrnoToError(e)
}
@ -161,7 +155,9 @@ func (file *File) WriteString(s string) (ret int, err Error) {
if file == nil {
return 0, EINVAL
}
r, e := syscall.Write(file.fd, syscall.StringBytePtr(s), int64(len(s)));
b := syscall.StringByteSlice(s);
b = b[0:len(b)-1];
r, e := syscall.Write(file.fd, b);
if r < 0 {
r = 0
}
@ -171,11 +167,11 @@ func (file *File) WriteString(s string) (ret int, err Error) {
// Pipe returns a connected pair of Files; reads from r return bytes written to w.
// It returns the files and an Error, if any.
func Pipe() (r *File, w *File, err Error) {
var p [2]int64;
var p [2]int;
// See ../syscall/exec.go for description of lock.
syscall.ForkLock.RLock();
ret, e := syscall.Pipe(&p);
e := syscall.Pipe(&p);
if e != 0 {
syscall.ForkLock.RUnlock();
return nil, nil, ErrnoToError(e)
@ -190,8 +186,7 @@ func Pipe() (r *File, w *File, err Error) {
// Mkdir creates a new directory with the specified name and permission bits.
// It returns an error, if any.
func Mkdir(name string, perm int) Error {
r, e := syscall.Mkdir(name, int64(perm));
return ErrnoToError(e)
return ErrnoToError(syscall.Mkdir(name, perm));
}
// Stat returns a Dir structure describing the named file and an error, if any.
@ -201,13 +196,13 @@ func Mkdir(name string, perm int) Error {
// the link itself and has dir.FollowedSymlink set to false.
func Stat(name string) (dir *Dir, err Error) {
var lstat, stat syscall.Stat_t;
r, e := syscall.Lstat(name, &lstat);
e := syscall.Lstat(name, &lstat);
if e != 0 {
return nil, ErrnoToError(e);
}
statp := &lstat;
if lstat.Mode & syscall.S_IFMT == syscall.S_IFLNK {
r, e := syscall.Stat(name, &stat);
e := syscall.Stat(name, &stat);
if e == 0 {
statp = &stat;
}
@ -219,7 +214,7 @@ func Stat(name string) (dir *Dir, err Error) {
// It returns the Dir and an error, if any.
func (file *File) Stat() (dir *Dir, err Error) {
var stat syscall.Stat_t;
r, e := syscall.Fstat(file.fd, &stat);
e := syscall.Fstat(file.fd, &stat);
if e != 0 {
return nil, ErrnoToError(e)
}
@ -231,7 +226,7 @@ func (file *File) Stat() (dir *Dir, err Error) {
// symbolic link. Lstat makes no attempt to follow the link.
func Lstat(name string) (dir *Dir, err Error) {
var stat syscall.Stat_t;
r, e := syscall.Lstat(name, &stat);
e := syscall.Lstat(name, &stat);
if e != 0 {
return nil, ErrnoToError(e)
}
@ -280,15 +275,13 @@ func (file *File) Readdir(count int) (dirs []Dir, err Error) {
// Chdir changes the current working directory to the named directory.
func Chdir(dir string) Error {
r, e := syscall.Chdir(dir);
return ErrnoToError(e);
return ErrnoToError(syscall.Chdir(dir));
}
// Chdir changes the current working directory to the file,
// which must be a directory.
func (f *File) Chdir() Error {
r, e := syscall.Fchdir(f.fd);
return ErrnoToError(e);
return ErrnoToError(syscall.Fchdir(f.fd));
}
// Remove removes the named file or directory.
@ -297,11 +290,11 @@ func Remove(name string) Error {
// whether name is a file or directory.
// Try both: it is cheaper on average than
// doing a Stat plus the right one.
r, e := syscall.Unlink(name);
e := syscall.Unlink(name);
if e == 0 {
return nil;
}
r1, e1 := syscall.Rmdir(name);
e1 := syscall.Rmdir(name);
if e1 == 0 {
return nil;
}
@ -323,26 +316,25 @@ func Remove(name string) Error {
// Link creates a hard link.
func Link(oldname, newname string) Error {
r, e := syscall.Link(oldname, newname);
return ErrnoToError(e);
return ErrnoToError(syscall.Link(oldname, newname));
}
// Symlink creates a symbolic link.
func Symlink(oldname, newname string) Error {
r, e := syscall.Symlink(oldname, newname);
return ErrnoToError(e);
return ErrnoToError(syscall.Symlink(oldname, newname));
}
// Readlink reads the contents of a symbolic link: the destination of
// the link. It returns the contents and an Error, if any.
func Readlink(name string) (string, Error) {
for len := int64(128); ; len *= 2 {
for len := 128; ; len *= 2 {
b := make([]byte, len);
r, e := syscall.Readlink(name, &b[0], len);
if r == -1 {
n, e := syscall.Readlink(name, b);
if e != 0 {
return "", ErrnoToError(e);
} else if r < len {
return string(b[0:r]), nil;
}
if n < len {
return string(b[0:n]), nil;
}
}
// Silence 6g.
@ -352,47 +344,40 @@ func Readlink(name string) (string, Error) {
// Chmod changes the mode of the named file to mode.
// If the file is a symbolic link, it changes the uid and gid of the link's target.
func Chmod(name string, mode int) Error {
r, e := syscall.Chmod(name, int64(mode));
return ErrnoToError(e);
return ErrnoToError(syscall.Chmod(name, mode));
}
// Chmod changes the mode of the file to mode.
func (f *File) Chmod(mode int) Error {
r, e := syscall.Fchmod(f.fd, int64(mode));
return ErrnoToError(e);
return ErrnoToError(syscall.Fchmod(f.fd, mode));
}
// Chown changes the numeric uid and gid of the named file.
// If the file is a symbolic link, it changes the uid and gid of the link's target.
func Chown(name string, uid, gid int) Error {
r, e := syscall.Chown(name, int64(uid), int64(gid));
return ErrnoToError(e);
return ErrnoToError(syscall.Chown(name, uid, gid));
}
// Lchown changes the numeric uid and gid of the named file.
// If the file is a symbolic link, it changes the uid and gid of the link itself.
func Lchown(name string, uid, gid int) Error {
r, e := syscall.Lchown(name, int64(uid), int64(gid));
return ErrnoToError(e);
return ErrnoToError(syscall.Lchown(name, uid, gid));
}
// Chown changes the numeric uid and gid of the named file.
func (f *File) Chown(uid, gid int) Error {
r, e := syscall.Fchown(f.fd, int64(uid), int64(gid));
return ErrnoToError(e);
return ErrnoToError(syscall.Fchown(f.fd, uid, gid));
}
// Truncate changes the size of the named file.
// If the file is a symbolic link, it changes the size of the link's target.
func Truncate(name string, size int64) Error {
r, e := syscall.Truncate(name, size);
return ErrnoToError(e);
return ErrnoToError(syscall.Truncate(name, size));
}
// Truncate changes the size of the file.
// It does not change the I/O offset.
func (f *File) Truncate(size int64) Error {
r, e := syscall.Ftruncate(f.fd, size);
return ErrnoToError(e);
return ErrnoToError(syscall.Ftruncate(f.fd, size));
}

50
src/lib/os/proc.go Normal file
View File

@ -0,0 +1,50 @@
// Copyright 2009 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.
// Process etc.
package os
import (
"syscall";
"os";
"unsafe";
)
var Args []string; // provided by runtime
var Envs []string; // provided by runtime
// Getuid returns the numeric user id of the caller.
func Getuid() int {
return syscall.Getuid();
}
// Geteuid returns the numeric effective user id of the caller.
func Geteuid() int {
return syscall.Geteuid();
}
// Getgid returns the numeric group id of the caller.
func Getgid() int {
return syscall.Getgid();
}
// Getegid returns the numeric effective group id of the caller.
func Getegid() int {
return syscall.Getegid();
}
// Getgroups returns a list of the numeric ids of groups that the caller belongs to.
func Getgroups() ([]int, os.Error) {
gids, errno := syscall.Getgroups();
return gids, ErrnoToError(errno);
}
// Exit causes the current program to exit with the given status code.
// Conventionally, code zero indicates success, non-zero an error.
func Exit(code int) {
syscall.Exit(code);
}

20
src/lib/os/proc_darwin.go
View File

@ -1,20 +0,0 @@
// Copyright 2009 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.
package os
import (
"os";
"syscall";
)
var Args []string; // provided by runtime
var Envs []string; // provided by runtime
// Exit causes the current program to exit with the given status code.
// Conventionally, code zero indicates success, non-zero an error.
func Exit(code int) {
syscall.Syscall(syscall.SYS_EXIT, int64(code), 0, 0)
}

10
src/lib/os/stat_amd64_darwin.go
View File

@ -21,12 +21,12 @@ func dirFromStat(name string, dir *Dir, lstat, stat *syscall.Stat_t) *Dir {
dir.Uid = stat.Uid;
dir.Gid = stat.Gid;
dir.Rdev = uint64(stat.Rdev);
dir.Size = stat.Size;
dir.Size = uint64(stat.Size);
dir.Blksize = uint64(stat.Blksize);
dir.Blocks = stat.Blocks;
dir.Atime_ns = uint64(stat.Atime.Sec) * 1e9 + stat.Atime.Nsec;
dir.Mtime_ns = uint64(stat.Mtime.Sec) * 1e9 + stat.Mtime.Nsec;
dir.Ctime_ns = uint64(stat.Ctime.Sec) * 1e9 + stat.Atime.Nsec;
dir.Blocks = uint64(stat.Blocks);
dir.Atime_ns = uint64(syscall.TimespecToNsec(stat.Atimespec));
dir.Mtime_ns = uint64(syscall.TimespecToNsec(stat.Mtimespec));
dir.Ctime_ns = uint64(syscall.TimespecToNsec(stat.Ctimespec));
for i := len(name) - 1; i >= 0; i-- {
if name[i] == '/' {
name = name[i+1:len(name)];

6
src/lib/os/stat_amd64_linux.go
View File

@ -24,9 +24,9 @@ func dirFromStat(name string, dir *Dir, lstat, stat *syscall.Stat_t) *Dir {
dir.Size = uint64(stat.Size);
dir.Blksize = uint64(stat.Blksize);
dir.Blocks = uint64(stat.Blocks);
dir.Atime_ns = uint64(stat.Atime.Sec) * 1e9 + stat.Atime.Nsec;
dir.Mtime_ns = uint64(stat.Mtime.Sec) * 1e9 + stat.Mtime.Nsec;
dir.Ctime_ns = uint64(stat.Ctime.Sec) * 1e9 + stat.Atime.Nsec;
dir.Atime_ns = uint64(syscall.TimespecToNsec(stat.Atim));
dir.Mtime_ns = uint64(syscall.TimespecToNsec(stat.Mtim));
dir.Ctime_ns = uint64(syscall.TimespecToNsec(stat.Ctim));
for i := len(name) - 1; i >= 0; i-- {
if name[i] == '/' {
name = name[i+1:len(name)];

7
src/lib/os/time.go
View File

@ -15,11 +15,10 @@ import (
// time is thus 1e9*sec+nsec, in nanoseconds. The zero of
// time is the Unix epoch.
func Time() (sec int64, nsec int64, err Error) {
var errno int64;
sec, nsec, errno = syscall.Gettimeofday();
if errno != 0 {
var tv syscall.Timeval;
if errno := syscall.Gettimeofday(&tv); errno != 0 {
return 0, 0, ErrnoToError(errno)
}
return sec, nsec, nil
return int64(tv.Sec), int64(tv.Usec)*1000, err;
}

64
src/lib/os/user.go
View File

@ -1,64 +0,0 @@
// Copyright 2009 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.
// User ids etc.
package os
import (
"syscall";
"os";
"unsafe";
)
// Getuid returns the numeric user id of the caller.
func Getuid() int {
u, r2, e := syscall.Syscall(syscall.SYS_GETUID, 0, 0, 0);
return int(u);
}
// Geteuid returns the numeric effective user id of the caller.
func Geteuid() int {
u, r2, e := syscall.Syscall(syscall.SYS_GETEUID, 0, 0, 0);
return int(u);
}
// Getgid returns the numeric group id of the caller.
func Getgid() int {
g, r2, e := syscall.Syscall(syscall.SYS_GETGID, 0, 0, 0);
return int(g);
}
// Getegid returns the numeric effective group id of the caller.
func Getegid() int {
g, r2, e := syscall.Syscall(syscall.SYS_GETEGID, 0, 0, 0);
return int(g);
}
// Getgroups returns a list of the numeric ids of groups that the caller belongs to.
func Getgroups() ([]int, os.Error) {
// first call asks how many there are.
r1, r2, err := syscall.Syscall(syscall.SYS_GETGROUPS, 0, 0, 0);
if err != 0 {
return nil, ErrnoToError(err);
}
// Sanity check group count.
// On Linux, max is 1<<16; on BSD, OS X, max is 16.
if r1 < 0 || r1 > 1<<20 {
return nil, EINVAL;
}
a := make([]int, r1);
if r1 > 0 {
tmp := make([]uint32, r1);
r1, r2, err = syscall.Syscall(syscall.SYS_GETGROUPS, r1, int64(uintptr(unsafe.Pointer(&tmp[0]))), 0);
if err != 0 {
return nil, ErrnoToError(err);
}
for i := 0; i < len(a); i++ {
a[i] = int(tmp[i]);
}
}
return a[0:r1], nil;
}

7
src/lib/time/sleep.go
View File

@ -13,10 +13,5 @@ import (
// Sleep pauses the current goroutine for ns nanoseconds.
// It returns os.EINTR if interrupted.
func Sleep(ns int64) os.Error {
var tv syscall.Timeval;
syscall.Nstotimeval(ns, &tv);
r1, r2, err := syscall.Syscall6(syscall.SYS_SELECT, 0, 0, 0, 0,
int64(uintptr(unsafe.Pointer(&tv))), 0);
return os.ErrnoToError(err);
return os.ErrnoToError(syscall.Sleep(ns));
}

7
test/sigchld.go
View File

@ -8,12 +8,7 @@ package main
import "syscall"
func getpid() int64 {
r1, r2, err := syscall.Syscall(syscall.SYS_GETPID, 0, 0, 0);
return r1;
}
func main() {
syscall.Syscall(syscall.SYS_KILL, getpid(), syscall.SIGCHLD, 0);
syscall.Syscall(syscall.SYS_KILL, uintptr(syscall.Getpid()), syscall.SIGCHLD, 0);
println("survived SIGCHLD");
}