[gofrontend] push by i...@golang.org - syscall: Solaris fixes for passing file descriptor.... on 2013-02-20 20:03 GMT

[gofro...@googlecode.com]

Revision: 7a758385dda3
Branch: default
Author: Ian Lance Taylor <ia...@golang.org>
Date: Wed Feb 20 12:03:21 2013
Log: syscall: Solaris fixes for passing file descriptor.

From Rainer Orth.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56171

R=iant
CC=gofrontend-dev
https://codereview.appspot.com/7398043
http://code.google.com/p/gofrontend/source/detail?r=7a758385dda3

Added:
/libgo/go/syscall/socket_posix.go
/libgo/go/syscall/socket_xnet.go
Modified:
/libgo/Makefile.am
/libgo/Makefile.in
/libgo/go/syscall/sockcmsg_unix.go
/libgo/go/syscall/socket.go

=======================================
--- /dev/null
+++ /libgo/go/syscall/socket_posix.go Wed Feb 20 12:03:21 2013
@@ -0,0 +1,31 @@
+// socket_posix.go -- Socket handling for generic POSIX systems.
+
+// Copyright 2013 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 syscall
+
+//sys bind(fd int, sa *RawSockaddrAny, len Socklen_t) (err error)
+//bind(fd _C_int, sa *RawSockaddrAny, len Socklen_t) _C_int
+
+//sys connect(s int, addr *RawSockaddrAny, addrlen Socklen_t) (err error)
+//connect(s _C_int, addr *RawSockaddrAny, addrlen Socklen_t) _C_int
+
+//sysnb socket(domain int, typ int, proto int) (fd int, err error)
+//socket(domain _C_int, typ _C_int, protocol _C_int) _C_int
+
+//sysnb socketpair(domain int, typ int, proto int, fd *[2]_C_int) (err
error)
+//socketpair(domain _C_int, typ _C_int, protocol _C_int, fd *[2]_C_int)
_C_int
+
+//sys getsockopt(s int, level int, name int, val uintptr, vallen
*Socklen_t) (err error)
+//getsockopt(s _C_int, level _C_int, name _C_int, val *byte, vallen
*Socklen_t) _C_int
+
+//sys sendto(s int, buf []byte, flags int, to *RawSockaddrAny, tolen
Socklen_t) (err error)
+//sendto(s _C_int, buf *byte, len Size_t, flags _C_int, to
*RawSockaddrAny, tolen Socklen_t) Ssize_t
+
+//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
+//recvmsg(s _C_int, msg *Msghdr, flags _C_int) Ssize_t
+
+//sys sendmsg(s int, msg *Msghdr, flags int) (err error)
+//sendmsg(s _C_int, msg *Msghdr, flags _C_int) Ssize_t
=======================================
--- /dev/null
+++ /libgo/go/syscall/socket_xnet.go Wed Feb 20 12:03:21 2013
@@ -0,0 +1,32 @@
+// socket_xnet.go -- Socket handling specific to Solaris.
+// Enforce use of XPG 4.2 versions of socket functions.
+
+// Copyright 2013 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 syscall
+
+//sys bind(fd int, sa *RawSockaddrAny, len Socklen_t) (err error)
+//__xnet_bind(fd _C_int, sa *RawSockaddrAny, len Socklen_t) _C_int
+
+//sys connect(s int, addr *RawSockaddrAny, addrlen Socklen_t) (err error)
+//__xnet_connect(s _C_int, addr *RawSockaddrAny, addrlen Socklen_t) _C_int
+
+//sysnb socket(domain int, typ int, proto int) (fd int, err error)
+//__xnet_socket(domain _C_int, typ _C_int, protocol _C_int) _C_int
+
+//sysnb socketpair(domain int, typ int, proto int, fd *[2]_C_int) (err
error)
+//__xnet_socketpair(domain _C_int, typ _C_int, protocol _C_int, fd
*[2]_C_int) _C_int
+
+//sys getsockopt(s int, level int, name int, val uintptr, vallen
*Socklen_t) (err error)
+//__xnet_getsockopt(s _C_int, level _C_int, name _C_int, val *byte, vallen
*Socklen_t) _C_int
+
+//sys sendto(s int, buf []byte, flags int, to *RawSockaddrAny, tolen
Socklen_t) (err error)
+//__xnet_sendto(s _C_int, buf *byte, len Size_t, flags _C_int, to
*RawSockaddrAny, tolen Socklen_t) Ssize_t
+
+//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
+//__xnet_recvmsg(s _C_int, msg *Msghdr, flags _C_int) Ssize_t
+
+//sys sendmsg(s int, msg *Msghdr, flags int) (err error)
+//__xnet_sendmsg(s _C_int, msg *Msghdr, flags _C_int) Ssize_t
=======================================
--- /libgo/Makefile.am Mon Feb 11 11:02:39 2013
+++ /libgo/Makefile.am Wed Feb 20 12:03:21 2013
@@ -1656,6 +1656,13 @@
endif
endif

+# Define socket functions.
+if LIBGO_IS_SOLARIS
+syscall_socket_os_file = go/syscall/socket_xnet.go
+else
+syscall_socket_os_file = go/syscall/socket_posix.go
+endif
+
# Support for uname.
if LIBGO_IS_SOLARIS
if LIBGO_IS_386
@@ -1722,6 +1729,7 @@
$(syscall_errstr_file) \
$(syscall_size_file) \
$(syscall_socket_file) \
+ $(syscall_socket_os_file) \
$(syscall_uname_file) \
$(syscall_netlink_file) \
$(syscall_lsf_file) \
@@ -1746,13 +1754,20 @@
go/syscall/passfd_test.go

libcalls.go: s-libcalls; @true
-s-libcalls: Makefile go/syscall/mksyscall.awk $(go_base_syscall_files)
+s-libcalls: libcalls-list go/syscall/mksyscall.awk $(go_base_syscall_files)
rm -f libcalls.go.tmp
- files=`echo $^ | sed -e 's/Makefile//' -e 's|[^
]*go/syscall/mksyscall.awk||'`; \
+ files=`echo $^ | sed -e 's/libcalls-list//' -e 's|[^
]*go/syscall/mksyscall.awk||'`; \
$(AWK) -f $(srcdir)/go/syscall/mksyscall.awk $${files} > libcalls.go.tmp
$(SHELL) $(srcdir)/../move-if-change libcalls.go.tmp libcalls.go
$(STAMP) $@

+libcalls-list: s-libcalls-list; @true
+s-libcalls-list: Makefile
+ rm -f libcalls-list.tmp
+ echo $(go_base_syscall_files) > libcalls-list.tmp
+ $(SHELL) $(srcdir)/../move-if-change libcalls-list.tmp libcalls-list
+ $(STAMP) $@
+
syscall_arch.go: s-syscall_arch; @true
s-syscall_arch: Makefile
rm -f syscall_arch.go.tmp
=======================================
--- /libgo/Makefile.in Mon Feb 11 11:02:39 2013
+++ /libgo/Makefile.in Wed Feb 20 12:03:21 2013
@@ -1849,6 +1849,10 @@

# Define socket sizes and types.
@LIBGO_IS_LINUX_TRUE@syscall_socket_file = go/syscall/socket_linux.go
epoll.go
+@LIBGO_IS_SOLARIS_FALSE@syscall_socket_os_file = go/syscall/socket_posix.go
+
+# Define socket functions.
+@LIBGO_IS_SOLARIS_TRUE@syscall_socket_os_file = go/syscall/socket_xnet.go
@LIBGO_IS_386_FALSE@@LIBGO_IS_SOLARIS_TRUE@syscall_uname_file =
go/syscall/libcall_uname.go

# Support for uname.
@@ -1894,6 +1898,7 @@
$(syscall_errstr_file) \
$(syscall_size_file) \
$(syscall_socket_file) \
+ $(syscall_socket_os_file) \
$(syscall_uname_file) \
$(syscall_netlink_file) \
$(syscall_lsf_file) \
@@ -4448,13 +4453,20 @@
$(STAMP) $@

libcalls.go: s-libcalls; @true
-s-libcalls: Makefile go/syscall/mksyscall.awk $(go_base_syscall_files)
+s-libcalls: libcalls-list go/syscall/mksyscall.awk $(go_base_syscall_files)
rm -f libcalls.go.tmp
- files=`echo $^ | sed -e 's/Makefile//' -e 's|[^
]*go/syscall/mksyscall.awk||'`; \
+ files=`echo $^ | sed -e 's/libcalls-list//' -e 's|[^
]*go/syscall/mksyscall.awk||'`; \
$(AWK) -f $(srcdir)/go/syscall/mksyscall.awk $${files} > libcalls.go.tmp
$(SHELL) $(srcdir)/../move-if-change libcalls.go.tmp libcalls.go
$(STAMP) $@

+libcalls-list: s-libcalls-list; @true
+s-libcalls-list: Makefile
+ rm -f libcalls-list.tmp
+ echo $(go_base_syscall_files) > libcalls-list.tmp
+ $(SHELL) $(srcdir)/../move-if-change libcalls-list.tmp libcalls-list
+ $(STAMP) $@
+
syscall_arch.go: s-syscall_arch; @true
s-syscall_arch: Makefile
rm -f syscall_arch.go.tmp
=======================================
--- /libgo/go/syscall/sockcmsg_unix.go Tue Jan 29 10:59:14 2013
+++ /libgo/go/syscall/sockcmsg_unix.go Wed Feb 20 12:03:21 2013
@@ -8,7 +8,10 @@

package syscall

-import "unsafe"
+import (
+ "runtime"
+ "unsafe"
+)

// Round the length of a raw sockaddr up to align it propery.
func cmsgAlignOf(salen int) int {
@@ -18,6 +21,11 @@
if darwinAMD64 {
salign = 4
}
+ // NOTE: Solaris always uses 32-bit alignment,
+ // cf. _CMSG_DATA_ALIGNMENT in <sys/socket.h>.
+ if runtime.GOOS == "solaris" {
+ salign = 4
+ }
if salen == 0 {
return salign
}
=======================================
--- /libgo/go/syscall/socket.go Sat Nov 24 12:20:02 2012
+++ /libgo/go/syscall/socket.go Wed Feb 20 12:03:21 2013
@@ -176,9 +176,6 @@
}
return anyToSockaddr(&rsa)
}
-
-//sys bind(fd int, sa *RawSockaddrAny, len Socklen_t) (err error)
-//bind(fd _C_int, sa *RawSockaddrAny, len Socklen_t) _C_int

func Bind(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
@@ -187,9 +184,6 @@
}
return bind(fd, ptr, n)
}
-
-//sys connect(s int, addr *RawSockaddrAny, addrlen Socklen_t) (err error)
-//connect(s _C_int, addr *RawSockaddrAny, addrlen Socklen_t) _C_int

func Connect(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
@@ -198,9 +192,6 @@
}
return connect(fd, ptr, n)
}
-
-//sysnb socket(domain int, typ int, proto int) (fd int, err error)
-//socket(domain _C_int, typ _C_int, protocol _C_int) _C_int

func Socket(domain, typ, proto int) (fd int, err error) {
if domain == AF_INET6 && SocketDisableIPv6 {
@@ -209,9 +200,6 @@
fd, err = socket(domain, typ, proto)
return
}
-
-//sysnb socketpair(domain int, typ int, proto int, fd *[2]_C_int) (err
error)
-//socketpair(domain _C_int, typ _C_int, protocol _C_int, fd *[2]_C_int)
_C_int

func Socketpair(domain, typ, proto int) (fd [2]int, err error) {
var fdx [2]_C_int
@@ -222,9 +210,6 @@
}
return
}
-
-//sys getsockopt(s int, level int, name int, val uintptr, vallen
*Socklen_t) (err error)
-//getsockopt(s _C_int, level _C_int, name _C_int, val *byte, vallen
*Socklen_t) _C_int

func GetsockoptByte(fd, level, opt int) (value byte, err error) {
var n byte
@@ -325,9 +310,6 @@
from, err = anyToSockaddr(&rsa)
return
}
-
-//sys sendto(s int, buf []byte, flags int, to *RawSockaddrAny, tolen
Socklen_t) (err error)
-//sendto(s _C_int, buf *byte, len Size_t, flags _C_int, to
*RawSockaddrAny, tolen Socklen_t) Ssize_t

func Sendto(fd int, p []byte, flags int, to Sockaddr) (err error) {
ptr, n, err := to.sockaddr()
@@ -336,9 +318,6 @@
}
return sendto(fd, p, flags, ptr, n)
}
-
-//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
-//recvmsg(s _C_int, msg *Msghdr, flags _C_int) Ssize_t

func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags
int, from Sockaddr, err error) {
var msg Msghdr
@@ -373,9 +352,6 @@
}
return
}
-
-//sys sendmsg(s int, msg *Msghdr, flags int) (err error)
-//sendmsg(s _C_int, msg *Msghdr, flags _C_int) Ssize_t

func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
var ptr *RawSockaddrAny