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sysconfig.h

Go to the documentation of this file.

#ifndef SYSCONFIG_H
#define SYSCONFIG_H

/* \def __BORLANDC__
 Manifest constant present in all Borland compilers that contains the
 compiler version number.  
 */

/* \def __CYGWIN__
 Manifest constant present in cygwin compilers.
 */

/* \def _MSC_VER
 Manifest constant present in all Microsoft Visual C compilers that
 contains the compiler version number.
 */

#if ( defined (__WIN32__) || defined (_WIN32) ) && !defined (WIN32)
 #define WIN32 1
#elif defined(__CYGWIN__)
 #define UNIX 1
#endif

#if !defined(UNIX) && !defined(WIN32) && !defined(__cplusplus)
 #error Unsupported compiler and/or operating system.
 #error Please update sysconfig.h with your compiler or OS information.
#endif

#ifdef WIN32
 #define WIN32_LEAN_AND_MEAN 1
#endif

// BC++ uses _MT which is a manifest constant picked by compiler options.
// VC++ 6.0 compiler options by default are multi-threaded
#ifdef UNIX
 #define _MULTI_THREADED
#endif

// Disable some noise and blather from VC++ compiler
#ifdef _MSC_VER
 #pragma warning(disable:4786)  // names over 255 characters in templates
 #pragma warning(disable:4068)  // unknown pragma warnings
 #pragma warning(disable:4101)  // unreferenced variables
#endif

// C++ STL headers used
#include <iostream>
#include <fstream>
#include <list>
#include <queue>
#include <string>
#include <exception>
// C++ wrappers for C stdlib functions
#include <cstdio>
#include <ctime>
#if defined(WIN32) && defined(__BORLANDC__) 
 #include <cprocess>
#endif

using namespace std;

#if defined(WIN32)
 #include <winsock2.h>
#else
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
#endif

// For threading - Borland has a cprocess header - see above
#if defined(WIN32) && defined(_MSC_VER)
 #include <process.h>
#endif

// Additional headers required for Unix.
#if defined(UNIX)
 #include <pthread.h>   // pthreads library
 #include <unistd.h>
 #include <stdarg.h>    // for variable arguments - used by Log
#endif
#pragma hdrstop

/*
  This is a feeble attempt to minimize the changes to this code for
  Cygwin/Unix by making use of macros that disguise, hide, morph and
  otherwise obfuscate the code.  With the side effect of confusing
  programmers looking at it.  So I lied above when I said I'd be careful.
 */
#if defined(WIN32)
 // Thread stuff
 typedef unsigned long THREADHANDLE_T;
 #define StartThread(T_HANDLE, FUNCTION, STACKSIZE, ARGS) \
   T_HANDLE = _beginthread((FUNCTION), (STACKSIZE), (ARGS));
#elif defined(UNIX)
 // Network stuff
 typedef int SOCKET;
 #define INVALID_SOCKET -1  // Better look for side-effects with this! - 0 on Windows
 #define SOCKET_ERROR -1
 #define WSAEWOULDBLOCK EWOULDBLOCK  // Used in Server and Socket
 #define SD_SEND SHUT_WR             // Used in Server::Disconnect
 #define closesocket(X) close(X)
 #define WSAGetLastError(X) errno
 #define ioctlsocket(X,Y,Z) ioctl(X,Y,Z) 
 // Synchronization stuff
 #define InitializeCriticalSection(X) *(X) = PTHREAD_MUTEX_INITIALIZER;
 #define DeleteCriticalSection(X) 
 #define CRITICAL_SECTION pthread_mutex_t
 #define EnterCriticalSection(X)  pthread_mutex_lock(X);
 #define LeaveCriticalSection(X)  pthread_mutex_unlock(X);

 // Thread stuff
 typedef pthread_t THREADHANDLE_T;
 #define StartThread(T_HANDLE, FUNCTION, STACKSIZE, ARGS) \
   pthread_create(&(T_HANDLE), NULL, (FUNCTION), (ARGS));
 #define WaitForSingleObject(T_HANDLE, WAIT) \
   pthread_join(*(T_HANDLE), NULL)
#endif

#endif // SYSCONFIG_H

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