[NaCl SDK] Support non blocking TCP/UDP

native_client_sdk/src/libraries/nacl_io/kernel_intercept.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <errno.h>
 
 #include "nacl_io/kernel_intercept.h"
 #include "nacl_io/kernel_proxy.h"
 #include "nacl_io/kernel_wrap.h"
 #include "nacl_io/osmman.h"
@@ skipping 113 matching lines @@
 int ki_umount(const char *path) {
   ON_NOSYS_RETURN(-1);
   return s_kp->umount(path);
 }
 
 int ki_open(const char *path, int oflag) {
   ON_NOSYS_RETURN(-1);
   return s_kp->open(path, oflag);
 }
 
+int ki_pipe(int pipefds[2]) {
+  ON_NOSYS_RETURN(-1);
+  return s_kp->pipe(pipefds);
+}
+
 ssize_t ki_read(int fd, void *buf, size_t nbyte) {
   ON_NOSYS_RETURN(-1);
   return s_kp->read(fd, buf, nbyte);
 }
 
 ssize_t ki_write(int fd, const void *buf, size_t nbyte) {
   ON_NOSYS_RETURN(-1);
   return s_kp->write(fd, buf, nbyte);
 }
 
@@ skipping 206 matching lines @@
 }
 
 int ki_socket(int domain, int type, int protocol) {
   return s_kp->socket(domain, type, protocol);
 }
 
 int ki_socketpair(int domain, int type, int protocol, int* sv) {
   return s_kp->socketpair(domain, type, protocol, sv);
 }
 #endif  // PROVIDES_SOCKET_API