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Add an accessor function os.FD.Fd() to get the file

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descriptor.  Use it in the PollServer code.

6g currently accepts this code without this change, but it
should not.  Test case for the bug is bug133.go.

R=rsc
DELTA=10  (0 added, 0 deleted, 10 changed)
OCL=23451
CL=23486
This commit is contained in:
Ian Lance Taylor 2009-01-26 11:10:14 -08:00
parent 2a4f4dd842
commit a01bdb4ae0
2 changed files with 10 additions and 10 deletions
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8
src/lib/net/fd.go
View File

@ -84,19 +84,19 @@ 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 {
if err = _SetNonblock(s.pr.Fd); err != nil {
Error:
s.pr.Close();
s.pw.Close();
return nil, err
}
if err = _SetNonblock(s.pw.fd); err != nil {
if err = _SetNonblock(s.pw.Fd); err != nil {
goto Error
}
if s.poll, err = NewPollster(); err != nil {
goto Error
}
if err = s.poll.AddFD(s.pr.fd, 'r', true); err != nil {
if err = s.poll.AddFD(s.pr.Fd, 'r', true); err != nil {
s.poll.Close();
goto Error
}
@ -142,7 +142,7 @@ func (s *_PollServer) Run() {
print("_PollServer WaitFD: ", err.String(), "\n");
return
}
if fd == s.pr.fd {
if fd == s.pr.Fd {
// Drain our wakeup pipe.
for nn, e := s.pr.Read(scratch); nn > 0; {
nn, e = s.pr.Read(scratch)

12
src/lib/os/os_file.go
View File

@ -9,7 +9,7 @@ import os "os"
// FDs are wrappers for file descriptors
type FD struct {
fd int64
Fd int64
}
func NewFD(fd int64) *FD {
@ -48,8 +48,8 @@ func (fd *FD) Close() *Error {
if fd == nil {
return EINVAL
}
r, e := syscall.Close(fd.fd);
fd.fd = -1; // so it can't be closed again
r, e := syscall.Close(fd.Fd);
fd.Fd = -1; // so it can't be closed again
return ErrnoToError(e)
}
@ -59,7 +59,7 @@ func (fd *FD) Read(b []byte) (ret int, err *Error) {
}
var r, e int64;
if len(b) > 0 { // because we access b[0]
r, e = syscall.Read(fd.fd, &b[0], int64(len(b)));
r, e = syscall.Read(fd.Fd, &b[0], int64(len(b)));
if r < 0 {
r = 0
}
@ -73,7 +73,7 @@ func (fd *FD) Write(b []byte) (ret int, err *Error) {
}
var r, e int64;
if len(b) > 0 { // because we access b[0]
r, e = syscall.Write(fd.fd, &b[0], int64(len(b)));
r, e = syscall.Write(fd.Fd, &b[0], int64(len(b)));
if r < 0 {
r = 0
}
@ -89,7 +89,7 @@ func (fd *FD) WriteString(s string) (ret int, err *Error) {
if !syscall.StringToBytes(b, s) {
return 0, EINVAL
}
r, e := syscall.Write(fd.fd, &b[0], int64(len(s)));
r, e := syscall.Write(fd.Fd, &b[0], int64(len(s)));
if r < 0 {
r = 0
}