changes in memory mount and socket subsystem to port thttpd

libraries/nacl-mounts/net/SocketSubSystem.h

 // Copyright (c) 2012 The Native Client Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PACKAGES_LIBRARIES_NACL_MOUNTS_BASE_SOCKET_SUBSYSTEM_H_
 #define PACKAGES_LIBRARIES_NACL_MOUNTS_BASE_SOCKET_SUBSYSTEM_H_
 
 #include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
 
 #include <map>
 #include <string>
 
 #include "../base/KernelProxy.h"
 #include "../net/BaseSocketSubSystem.h"
 #include "../net/Socket.h"
 #include "../ppapi/cpp/private/host_resolver_private.h"
 #include "ppapi/cpp/file_ref.h"
 #include "ppapi/cpp/file_system.h"
 #include "ppapi/utility/completion_callback_factory.h"
 
 // current limitations:
 // cannot close in another thread
 
 class SocketSubSystem : public BaseSocketSubSystem {
  public:
-  explicit SocketSubSystem(pp::Instance* instance);
+  SocketSubSystem(pp::Instance* instance);
   virtual ~SocketSubSystem();
   pp::Instance* instance() { return pp_instance_; }
 
   // Syscall implementations
   int close(Socket* stream);
   int read(Socket* stream, char* buf, size_t count, size_t* nread);
   int write(Socket* stream, const char* buf, size_t count, size_t* nwrote);
   int seek(Socket* stream, nacl_abi_off_t offset, int whence,
            nacl_abi_off_t* new_offset);
   int fstat(Socket* stream, nacl_abi_stat* out);
 
   int fcntl(Socket* stream, int cmd, va_list ap);
   int ioctl(Socket* stream, int request, va_list ap);
+  int setsockopt(Socket* stream, int level, int optname,
+           const void* optval, socklen_t optlen);
 
   uint32_t gethostbyname(const char* name);
   int connect(Socket** stream, const sockaddr* serv_addr, socklen_t addrlen);
   int bind(Socket** stream, const sockaddr* addr, socklen_t addrlen);
   int shutdown(Socket* stream, int how);
   int listen(Socket* stream, int backlog);
   Socket* accept(Socket* stream, struct sockaddr *addr,
       socklen_t* addrlen);
   int getaddrinfo(const char* hostname, const char* servname,
     const addrinfo* hints, addrinfo** res);
@@ skipping 24 matching lines @@
   void OnResolve(int32_t result, GetAddrInfoParams* params, int32_t* pres);
 
   pp::CompletionCallbackFactory<SocketSubSystem, ThreadSafeRefCount> factory_;
   pp::HostResolverPrivate* host_resolver_;
 
   DISALLOW_COPY_AND_ASSIGN(SocketSubSystem);
 };
 
 #endif  // PACKAGES_LIBRARIES_NACL_MOUNTS_BASE_SOCKET_SUBSYSTEM_H_