This patch, mainly from Rainer Orth, in PR 56171 fixes passing a file descriptor on Solaris. Bootstrapped and ran Go testsuite on x86_64-unknown-linux-gnu. Committed to mainline.
Ian
diff -r 3b1c3cceaf02 libgo/Makefile.am --- a/libgo/Makefile.am Wed Feb 20 11:41:05 2013 -0800 +++ b/libgo/Makefile.am Wed Feb 20 12:01:58 2013 -0800 @@ -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 diff -r 3b1c3cceaf02 libgo/go/syscall/sockcmsg_unix.go --- a/libgo/go/syscall/sockcmsg_unix.go Wed Feb 20 11:41:05 2013 -0800 +++ b/libgo/go/syscall/sockcmsg_unix.go Wed Feb 20 12:01:58 2013 -0800 @@ -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 } diff -r 3b1c3cceaf02 libgo/go/syscall/socket.go --- a/libgo/go/syscall/socket.go Wed Feb 20 11:41:05 2013 -0800 +++ b/libgo/go/syscall/socket.go Wed Feb 20 12:01:58 2013 -0800 @@ -177,9 +177,6 @@ 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() if err != nil { @@ -188,9 +185,6 @@ 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() if err != nil { @@ -199,9 +193,6 @@ 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 { return -1, EAFNOSUPPORT @@ -210,9 +201,6 @@ 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 err = socketpair(domain, typ, proto, &fdx) @@ -223,9 +211,6 @@ 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 vallen := Socklen_t(1) @@ -326,9 +311,6 @@ 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() if err != nil { @@ -337,9 +319,6 @@ 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 var rsa RawSockaddrAny @@ -374,9 +353,6 @@ 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 var salen Socklen_t diff -r 3b1c3cceaf02 libgo/go/syscall/socket_posix.go --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libgo/go/syscall/socket_posix.go Wed Feb 20 12:01:58 2013 -0800 @@ -0,0 +1,32 @@ +// 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 + diff -r 3b1c3cceaf02 libgo/go/syscall/socket_xnet.go --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libgo/go/syscall/socket_xnet.go Wed Feb 20 12:01:58 2013 -0800 @@ -0,0 +1,33 @@ +// 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 +