libgo: Remove unnecessary EINTR checks.

We always use SA_RESTART with signals, so
read/write/etc. should never return EINTR.

From-SVN: r171802

diff --git a/libgo/go/net/fd.go b/libgo/go/net/fd.go
index 7e4b83a..cd1a21d 100644 (file)
--- a/libgo/go/net/fd.go
+++ b/libgo/go/net/fd.go
@@ -376,7 +376,7 @@ func (fd *netFD) Read(p []byte) (n int, err os.Error) {
        for {
                var errno int
                n, errno = syscall.Read(fd.sysfile.Fd(), p)
-               if (errno == syscall.EAGAIN || errno == syscall.EINTR) && fd.rdeadline >= 0 {
+               if errno == syscall.EAGAIN && fd.rdeadline >= 0 {
                        pollserver.WaitRead(fd)
                        continue
                }
@@ -411,7 +411,7 @@ func (fd *netFD) ReadFrom(p []byte) (n int, sa syscall.Sockaddr, err os.Error) {
        for {
                var errno int
                n, sa, errno = syscall.Recvfrom(fd.sysfd, p, 0)
-               if (errno == syscall.EAGAIN || errno == syscall.EINTR) && fd.rdeadline >= 0 {
+               if errno == syscall.EAGAIN && fd.rdeadline >= 0 {
                        pollserver.WaitRead(fd)
                        continue
                }
@@ -444,7 +444,7 @@ func (fd *netFD) ReadMsg(p []byte, oob []byte) (n, oobn, flags int, sa syscall.S
        for {
                var errno int
                n, oobn, flags, sa, errno = syscall.Recvmsg(fd.sysfd, p, oob, 0)
-               if (errno == syscall.EAGAIN || errno == syscall.EINTR) && fd.rdeadline >= 0 {
+               if errno == syscall.EAGAIN && fd.rdeadline >= 0 {
                        pollserver.WaitRead(fd)
                        continue
                }
@@ -490,7 +490,7 @@ func (fd *netFD) Write(p []byte) (n int, err os.Error) {
                if nn == len(p) {
                        break
                }
-               if (errno == syscall.EAGAIN || errno == syscall.EINTR) && fd.wdeadline >= 0 {
+               if errno == syscall.EAGAIN && fd.wdeadline >= 0 {
                        pollserver.WaitWrite(fd)
                        continue
                }
@@ -526,7 +526,7 @@ func (fd *netFD) WriteTo(p []byte, sa syscall.Sockaddr) (n int, err os.Error) {
        var oserr os.Error
        for {
                errno := syscall.Sendto(fd.sysfd, p, 0, sa)
-               if (errno == syscall.EAGAIN || errno == syscall.EINTR) && fd.wdeadline >= 0 {
+               if errno == syscall.EAGAIN && fd.wdeadline >= 0 {
                        pollserver.WaitWrite(fd)
                        continue
                }
@@ -560,7 +560,7 @@ func (fd *netFD) WriteMsg(p []byte, oob []byte, sa syscall.Sockaddr) (n int, oob
        for {
                var errno int
                errno = syscall.Sendmsg(fd.sysfd, p, oob, sa, 0)
-               if (errno == syscall.EAGAIN || errno == syscall.EINTR) && fd.wdeadline >= 0 {
+               if errno == syscall.EAGAIN && fd.wdeadline >= 0 {
                        pollserver.WaitWrite(fd)
                        continue
                }
@@ -598,7 +598,7 @@ func (fd *netFD) accept(toAddr func(syscall.Sockaddr) Addr) (nfd *netFD, err os.
                        return nil, os.EINVAL
                }
                s, sa, e = syscall.Accept(fd.sysfd)
-               if e != syscall.EAGAIN && e != syscall.EINTR {
+               if e != syscall.EAGAIN {
                        break
                }
                syscall.ForkLock.RUnlock()