Add a new "pseudo" platform for POSIX

src/platform-linux.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Platform specific code for Linux goes here
+// Platform specific code for Linux goes here. For the POSIX comaptible parts
+// the implementation is in platform-posix.cc.
 
 #include <pthread.h>
 #include <semaphore.h>
 #include <signal.h>
 #include <sys/time.h>
 #include <sys/resource.h>
-#include <sys/socket.h>
 #include <sys/types.h>
 #include <stdlib.h>
 
 // Ubuntu Dapper requires memory pages to be marked as
 // executable. Otherwise, OS raises an exception when executing code
 // in that page.
 #include <sys/types.h>  // mmap & munmap
 #include <sys/mman.h>   // mmap & munmap
 #include <sys/stat.h>   // open
 #include <fcntl.h>      // open
 #include <unistd.h>     // sysconf
 #ifdef __GLIBC__
 #include <execinfo.h>   // backtrace, backtrace_symbols
 #endif  // def __GLIBC__
 #include <strings.h>    // index
 #include <errno.h>
 #include <stdarg.h>
 
-#include <arpa/inet.h>
-#include <netinet/in.h>
-#include <netdb.h>
-
 #undef MAP_TYPE
 
 #include "v8.h"
 
 #include "platform.h"
 
 
 namespace v8 { namespace internal {
 
 // 0 is never a valid thread id on Linux since tids and pids share a
@@ skipping 572 matching lines @@
     CHECK(result == -1 && errno == EINTR);  // Signal caused spurious wakeup.
   }
 }
 
 
 Semaphore* OS::CreateSemaphore(int count) {
   return new LinuxSemaphore(count);
 }
 
 
-// ----------------------------------------------------------------------------
-// Linux socket support.
-//
-
-class LinuxSocket : public Socket {
- public:
-  explicit LinuxSocket() {
-    // Create the socket.
-    socket_ = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-  }
-  explicit LinuxSocket(int socket): socket_(socket) { }
-  virtual ~LinuxSocket() { Shutdown(); }
-
-  // Server initialization.
-  bool Bind(const int port);
-  bool Listen(int backlog) const;
-  Socket* Accept() const;
-
-  // Client initialization.
-  bool Connect(const char* host, const char* port);
-
-  // Shutdown socket for both read and write.
-  bool Shutdown();
-
-  // Data Transimission
-  int Send(const char* data, int len) const;
-  int Receive(char* data, int len) const;
-
-  bool SetReuseAddress(bool reuse_address);
-
-  bool IsValid() const { return socket_ != -1; }
-
- private:
-  int socket_;
-};
-
-
-bool LinuxSocket::Bind(const int port) {
-  if (!IsValid())  {
-    return false;
-  }
-
-  sockaddr_in addr;
-  memset(&addr, 0, sizeof(addr));
-  addr.sin_family = AF_INET;
-  addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-  addr.sin_port = htons(port);
-  int status = bind(socket_,
-                    reinterpret_cast<struct sockaddr *>(&addr),
-                    sizeof(addr));
-  return status == 0;
-}
-
-
-bool LinuxSocket::Listen(int backlog) const {
-  if (!IsValid()) {
-    return false;
-  }
-
-  int status = listen(socket_, backlog);
-  return status == 0;
-}
-
-
-Socket* LinuxSocket::Accept() const {
-  if (!IsValid()) {
-    return NULL;
-  }
-
-  int socket = accept(socket_, NULL, NULL);
-  if (socket == -1) {
-    return NULL;
-  } else {
-    return new LinuxSocket(socket);
-  }
-}
-
-
-bool LinuxSocket::Connect(const char* host, const char* port) {
-  if (!IsValid()) {
-    return false;
-  }
-
-  // Lookup host and port.
-  struct addrinfo *result = NULL;
-  struct addrinfo hints;
-  memset(&hints, 0, sizeof(addrinfo));
-  hints.ai_family = AF_INET;
-  hints.ai_socktype = SOCK_STREAM;
-  hints.ai_protocol = IPPROTO_TCP;
-  int status = getaddrinfo(host, port, &hints, &result);
-  if (status != 0) {
-    return false;
-  }
-
-  // Connect.
-  status = connect(socket_, result->ai_addr, result->ai_addrlen);
-  freeaddrinfo(result);
-  return status == 0;
-}
-
-
-bool LinuxSocket::Shutdown() {
-  if (IsValid()) {
-    // Shutdown socket for both read and write.
-    int status = shutdown(socket_, SHUT_RDWR);
-    close(socket_);
-    socket_ = -1;
-    return status == 0;
-  }
-  return true;
-}
-
-
-int LinuxSocket::Send(const char* data, int len) const {
-  int status = send(socket_, data, len, 0);
-  return status;
-}
-
-
-int LinuxSocket::Receive(char* data, int len) const {
-  int status = recv(socket_, data, len, 0);
-  return status;
-}
-
-
-bool LinuxSocket::SetReuseAddress(bool reuse_address) {
-  int on = reuse_address ? 1 : 0;
-  int status = setsockopt(socket_, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
-  return status == 0;
-}
-
-
-bool Socket::Setup() {
-  // Nothing to do on Linux.
-  return true;
-}
-
-
-int Socket::LastError() {
-  return errno;
-}
-
-
-uint16_t Socket::HToN(uint16_t value) {
-  return htons(value);
-}
-
-
-uint16_t Socket::NToH(uint16_t value) {
-  return ntohs(value);
-}
-
-
-uint32_t Socket::HToN(uint32_t value) {
-  return htonl(value);
-}
-
-
-uint32_t Socket::NToH(uint32_t value) {
-  return ntohl(value);
-}
-
-
-Socket* OS::CreateSocket() {
-  return new LinuxSocket();
-}
-
-
 #ifdef ENABLE_LOGGING_AND_PROFILING
 
 static Sampler* active_sampler_ = NULL;
 
 static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
   // Ucontext is a glibc extension - no profiling on Android at the moment.
 #ifdef __GLIBC__
   USE(info);
   if (signal != SIGPROF) return;
   if (active_sampler_ == NULL) return;
@@ skipping 83 matching lines @@
   }
 
   // This sampler is no longer the active sampler.
   active_sampler_ = NULL;
   active_ = false;
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal