syscall, net: Add Recvmsg and Sendmsg on Linux.
Working on issue 1101.
R=rsc
CC=golang-dev
https://golang.org/cl/2331044
diff --git a/src/pkg/syscall/syscall_linux_386.go b/src/pkg/syscall/syscall_linux_386.go
index 88b3034..bf5dd47 100644
--- a/src/pkg/syscall/syscall_linux_386.go
+++ b/src/pkg/syscall/syscall_linux_386.go
@@ -151,6 +151,16 @@
return
}
+func recvmsg(s int, msg *Msghdr, flags int) (n int, errno int) {
+ n, errno = socketcall(_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0)
+ return
+}
+
+func sendmsg(s int, msg *Msghdr, flags int) (errno int) {
+ _, errno = socketcall(_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0)
+ return
+}
+
func Listen(s int, n int) (errno int) {
_, errno = socketcall(_LISTEN, uintptr(s), uintptr(n), 0, 0, 0, 0)
return
@@ -176,3 +186,15 @@
func (r *PtraceRegs) PC() uint64 { return uint64(uint32(r.Eip)) }
func (r *PtraceRegs) SetPC(pc uint64) { r.Eip = int32(pc) }
+
+func (iov *Iovec) SetLen(length int) {
+ iov.Len = uint32(length)
+}
+
+func (msghdr *Msghdr) SetControllen(length int) {
+ msghdr.Controllen = uint32(length)
+}
+
+func (cmsg *Cmsghdr) SetLen(length int) {
+ cmsg.Len = uint32(length)
+}
