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ucommon/platform.h

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00001 // Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
00002 //
00003 // This file is part of GNU uCommon C++.
00004 //
00005 // GNU uCommon C++ is free software: you can redistribute it and/or modify
00006 // it under the terms of the GNU Lesser General Public License as published 
00007 // by the Free Software Foundation, either version 3 of the License, or
00008 // (at your option) any later version.
00009 //
00010 // GNU uCommon C++ is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 // GNU Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public License
00016 // along with GNU uCommon C++.  If not, see <http://www.gnu.org/licenses/>.
00017 
00027 #ifndef _UCOMMON_PLATFORM_H_
00028 #define _UCOMMON_PLATFORM_H_
00029 #define UCOMMON_ABI 3
00030 
00042 #define UCOMMON_NAMESPACE   ucc
00043 #define NAMESPACE_UCOMMON   namespace ucc {
00044 #define END_NAMESPACE       }
00045 
00046 #ifndef _REENTRANT
00047 #define _REENTRANT 1
00048 #endif
00049 
00050 #ifndef __PTH__
00051 #ifndef _THREADSAFE
00052 #define _THREADSAFE 1
00053 #endif
00054 
00055 #ifndef _POSIX_PTHREAD_SEMANTICS
00056 #define _POSIX_PTHREAD_SEMANTICS
00057 #endif
00058 #endif
00059 
00060 #if defined(__GNUC__) && (__GNUC < 3) && !defined(_GNU_SOURCE)
00061 #define _GNU_SOURCE
00062 #endif
00063 
00064 #if __GNUC__ > 3 || (__GNUC__ == 3 && (__GNU_MINOR__ > 3))
00065 #define __PRINTF(x,y)   __attribute__ ((format (printf, x, y)))
00066 #define __SCANF(x, y) __attribute__ ((format (scanf, x, y)))
00067 #define __MALLOC      __attribute__ ((malloc))
00068 #endif
00069 
00070 #ifndef __MALLOC
00071 #define __PRINTF(x, y)
00072 #define __SCANF(x, y)
00073 #define __MALLOC
00074 #endif
00075 
00076 #ifndef DEBUG
00077 #ifndef NDEBUG
00078 #define NDEBUG
00079 #endif
00080 #endif
00081 
00082 #ifdef  DEBUG
00083 #ifdef  NDEBUG
00084 #undef  NDEBUG
00085 #endif
00086 #endif
00087 
00088 // see if we are building for or using extended stdc++ runtime library support
00089 
00090 #if defined(NEW_STDCPP) || defined(OLD_STDCPP)
00091 #define _UCOMMON_EXTENDED_
00092 #endif
00093 
00094 // see if targetting legacy microsoft windows platform 
00095 
00096 #if defined(_MSC_VER) || defined(WIN32) || defined(_WIN32)
00097 #define _MSWINDOWS_
00098 
00099 //#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0501
00100 //#undef    _WIN32_WINNT
00101 //#define   _WIN32_WINNT 0x0501
00102 //#endif
00103 
00104 //#ifndef _WIN32_WINNT
00105 //#define   _WIN32_WINNT 0x0501
00106 //#endif
00107 
00108 #pragma warning(disable: 4996)
00109 #pragma warning(disable: 4355)
00110 #pragma warning(disable: 4290)
00111 #pragma warning(disable: 4291)
00112 
00113 #if defined(__BORLANDC__) && !defined(__MT__)
00114 #error Please enable multithreading
00115 #endif
00116 
00117 #if defined(_MSC_VER) && !defined(_MT)
00118 #error Please enable multithreading (Project -> Settings -> C/C++ -> Code Generation -> Use Runtime Library)
00119 #endif
00120 
00121 // Require for compiling with critical sections.
00122 #ifndef _WIN32_WINNT
00123 #define _WIN32_WINNT 0x0501
00124 #endif
00125 
00126 // Make sure we're consistent with _WIN32_WINNT
00127 #ifndef WINVER
00128 #define WINVER _WIN32_WINNT
00129 #endif
00130 
00131 #ifndef WIN32_LEAN_AND_MEAN
00132 #define WIN32_LEAN_AND_MEAN
00133 #endif
00134 
00135 #include <winsock2.h>
00136 #include <ws2tcpip.h>
00137 
00138 #if defined(_MSC_VER)
00139 typedef signed long ssize_t;
00140 typedef int pid_t;
00141 #endif
00142 
00143 #include <process.h>
00144 #ifndef __EXPORT
00145 #ifdef  UCOMMON_STATIC
00146 #define __EXPORT
00147 #else
00148 #define __EXPORT    __declspec(dllimport)
00149 #endif
00150 #endif
00151 #define __LOCAL
00152 #elif UCOMMON_VISIBILITY > 0
00153 #define __EXPORT    __attribute__ ((visibility("default")))
00154 #define __LOCAL     __attribute__ ((visibility("hidden")))
00155 #else
00156 #define __EXPORT
00157 #define __LOCAL
00158 #endif
00159 
00160 #ifdef  _MSWINDOWS_
00161 
00162 #define _UWIN
00163 
00164 #include <sys/stat.h>
00165 #include <io.h>
00166 
00167 typedef DWORD pthread_t;
00168 typedef CRITICAL_SECTION pthread_mutex_t;
00169 typedef char *caddr_t;
00170 typedef HANDLE fd_t;
00171 typedef SOCKET socket_t;
00172 
00173 typedef struct timespec {
00174     time_t tv_sec;
00175     long  tv_nsec;
00176 } timespec_t;
00177 
00178 extern "C" {
00179 
00180 int cpr_setenv(const char *s, const char *v, int p);
00181 
00182 inline int setenv(const char *s, const char *v, int overwrite)
00183     {return cpr_setenv(s, v, overwrite);};
00184 
00185 inline void sleep(int seconds)
00186     {::Sleep((seconds * 1000l));};
00187 
00188 inline void pthread_exit(void *p)
00189     {_endthreadex((DWORD)p);};
00190 
00191 inline pthread_t pthread_self(void)
00192     {return (pthread_t)GetCurrentThreadId();};
00193 
00194 inline int pthread_mutex_init(pthread_mutex_t *mutex, void *x)
00195     {InitializeCriticalSection(mutex); return 0;};
00196 
00197 inline void pthread_mutex_destroy(pthread_mutex_t *mutex)
00198     {DeleteCriticalSection(mutex);};
00199 
00200 inline void pthread_mutex_lock(pthread_mutex_t *mutex)
00201     {EnterCriticalSection(mutex);};
00202 
00203 inline void pthread_mutex_unlock(pthread_mutex_t *mutex)
00204     {LeaveCriticalSection(mutex);};
00205 
00206 inline char *strdup(const char *s)
00207     {return _strdup(s);};
00208 
00209 inline int stricmp(const char *s1, const char *s2)
00210     {return _stricmp(s1, s2);};
00211 
00212 inline int strnicmp(const char *s1, const char *s2, size_t l)
00213     {return _strnicmp(s1, s2, l);};
00214 };
00215 
00216 #elif defined(__PTH__)
00217 
00218 #include <pth.h>
00219 #include <sys/wait.h>
00220 
00221 typedef int socket_t;
00222 typedef int fd_t;
00223 #define INVALID_SOCKET -1
00224 #define INVALID_HANDLE_VALUE -1
00225 #include <signal.h>
00226 
00227 #define pthread_mutex_t pth_mutex_t
00228 #define pthread_cond_t pth_cond_t
00229 #define pthread_t pth_t
00230 
00231 inline int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset)
00232     {return pth_sigmask(how, set, oset);};
00233 
00234 inline void pthread_exit(void *p)
00235     {pth_exit(p);};
00236 
00237 inline void pthread_kill(pthread_t tid, int sig)
00238     {pth_raise(tid, sig);};
00239 
00240 inline int pthread_mutex_init(pthread_mutex_t *mutex, void *x)
00241     {return pth_mutex_init(mutex) != 0;};
00242 
00243 inline void pthread_mutex_destroy(pthread_mutex_t *mutex)
00244     {};
00245 
00246 inline void pthread_mutex_lock(pthread_mutex_t *mutex)
00247     {pth_mutex_acquire(mutex, 0, NULL);};
00248 
00249 inline void pthread_mutex_unlock(pthread_mutex_t *mutex)
00250     {pth_mutex_release(mutex);};
00251 
00252 inline void pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
00253     {pth_cond_await(cond, mutex, NULL);};
00254 
00255 inline void pthread_cond_signal(pthread_cond_t *cond)
00256     {pth_cond_notify(cond, FALSE);};
00257 
00258 inline void pthread_cond_broadcast(pthread_cond_t *cond)
00259     {pth_cond_notify(cond, TRUE);};
00260 
00261 #else
00262 
00263 #include <pthread.h>
00264 
00265 typedef int socket_t;
00266 typedef int fd_t;
00267 #define INVALID_SOCKET -1
00268 #define INVALID_HANDLE_VALUE -1
00269 #include <signal.h>
00270 
00271 #endif
00272 
00273 #ifdef _MSC_VER
00274 typedef signed __int8 int8_t;
00275 typedef unsigned __int8 uint8_t;
00276 typedef signed __int16 int16_t;
00277 typedef unsigned __int16 uint16_t;
00278 typedef signed __int32 int32_t;
00279 typedef unsigned __int32 uint32_t;
00280 typedef signed __int64 int64_t;
00281 typedef unsigned __int64 uint64_t;
00282 typedef char *caddr_t;
00283 
00284 #if defined(_MSC_VER)
00285 #include <stdio.h>
00286 #define snprintf _snprintf
00287 #define vsnprintf _vsnprintf
00288 #endif
00289     
00290 #else
00291 
00292 #include <sys/stat.h>
00293 #include <sys/types.h>
00294 #include <stdint.h>
00295 #include <unistd.h>
00296 
00297 #endif
00298 
00299 typedef void (*sighandler_t)(int);  
00300 typedef unsigned long timeout_t;    
00302 #include <stdlib.h>
00303 #include <errno.h>
00304 
00305 #ifdef  _MSWINDOWS_
00306 #ifndef ENETDOWN
00307 #define ENETDOWN        ((int)(WSAENETDOWN))
00308 #endif
00309 #ifndef EINPROGRESS
00310 #define EINPROGRESS     ((int)(WSAEINPROGRESS))
00311 #endif
00312 #ifndef ENOPROTOOPT
00313 #define ENOPROTOOPT     ((int)(WSAENOPROTOOPT))
00314 #endif
00315 #ifndef EADDRINUSE
00316 #define EADDRINUSE      ((int)(WSAEADDRINUSE))
00317 #endif
00318 #ifndef EADDRNOTAVAIL
00319 #define EADDRNOTAVAIL   ((int)(WSAEADDRNOTAVAIL))
00320 #endif
00321 #ifndef ENETUNREACH
00322 #define ENETUNREACH     ((int)(WSAENETUNREACH))
00323 #endif
00324 #ifndef EHOSTUNREACH
00325 #define EHOSTUNREACH    ((int)(WSAEHOSTUNREACH))
00326 #endif
00327 #ifndef EHOSTDOWN
00328 #define EHOSTDOWN       ((int)(WSAEHOSTDOWN))
00329 #endif
00330 #ifndef ENETRESET
00331 #define ENETRESET       ((int)(WSAENETRESET))
00332 #endif
00333 #ifndef ECONNABORTED
00334 #define ECONNABORTED    ((int)(WSAECONNABORTED))
00335 #endif
00336 #ifndef ECONNRESET
00337 #define ECONNRESET      ((int)(WSAECONNRESET))
00338 #endif
00339 #ifndef EISCONN
00340 #define EISCONN         ((int)(WSAEISCONN))
00341 #endif
00342 #ifndef ENOTCONN        
00343 #define ENOTCONN        ((int)(WSAENOTCONN))
00344 #endif
00345 #ifndef ESHUTDOWN
00346 #define ESHUTDOWN       ((int)(WSAESHUTDOWN))
00347 #endif
00348 #ifndef ETIMEDOUT
00349 #define ETIMEDOUT       ((int)(WSAETIMEDOUT))
00350 #endif
00351 #ifndef ECONNREFUSED
00352 #define ECONNREFUSED    ((int)(WSAECONNREFUSED))
00353 #endif
00354 #endif
00355 
00362 __EXPORT void cpr_runtime_error(const char *text);
00363 
00370 extern "C" __EXPORT void *cpr_memalloc(size_t size) __MALLOC;
00371 
00381 extern "C" __EXPORT void *cpr_memassign(size_t size, caddr_t address, size_t known) __MALLOC;
00382 
00389 extern "C" __EXPORT void cpr_memswap(void *mem1, void *mem2, size_t size);
00390 
00391 #ifndef _UCOMMON_EXTENDED_
00392 
00397 inline void *operator new(size_t size)
00398     {return cpr_memalloc(size);};
00399 
00405 inline void *operator new[](size_t size)
00406     {return cpr_memalloc(size);};
00407 #endif
00408 
00409 #ifndef _UCOMMON_EXTENDED_
00410 
00418 inline void *operator new[](size_t size, caddr_t address)
00419     {return cpr_memassign(size, address, size);};
00420 
00430 inline void *operator new[](size_t size, caddr_t address, size_t known)
00431     {return cpr_memassign(size, address, known);};
00432 #endif
00433 
00443 inline void *operator new(size_t size, size_t extra)
00444     {return cpr_memalloc(size + extra);}
00445 
00454 inline void *operator new(size_t size, caddr_t address)
00455     {return cpr_memassign(size, address, size);}
00456 
00467 inline void *operator new(size_t size, caddr_t address, size_t known)
00468     {return cpr_memassign(size, address, known);}
00469 
00470 #ifndef _UCOMMON_EXTENDED_
00471 
00475 inline void operator delete(void *object)
00476     {free(object);}
00477 
00482 inline void operator delete[](void *array)
00483     {free(array);}
00484 
00485 #ifdef  __GNUC__
00486 extern "C" __EXPORT void __cxa_pure_virtual(void);
00487 #endif
00488 #endif
00489 
00490 #ifndef DEBUG
00491 #ifndef NDEBUG
00492 #define NDEBUG
00493 #endif
00494 #endif
00495 
00496 #ifdef  DEBUG
00497 #ifdef  NDEBUG
00498 #undef  NDEBUG
00499 #endif
00500 #endif
00501 
00502 #include <assert.h>
00503 #ifdef  DEBUG
00504 #define crit(x, text)   assert(x)
00505 #else
00506 #define crit(x, text) if(!(x)) cpr_runtime_error(text)
00507 #endif
00508 
00515 template<class T>
00516 inline T *init(T *memory)
00517     {return ((memory) ? new(((caddr_t)memory)) T : NULL);}
00518 
00519 extern "C" {
00520 
00521     __EXPORT uint16_t lsb_getshort(uint8_t *b);
00522     __EXPORT uint32_t lsb_getlong(uint8_t *b);
00523     __EXPORT uint16_t msb_getshort(uint8_t *b);
00524     __EXPORT uint32_t msb_getlong(uint8_t *b);
00525 
00526     __EXPORT void lsb_setshort(uint8_t *b, uint16_t v);
00527     __EXPORT void lsb_setlong(uint8_t *b, uint32_t v);
00528     __EXPORT void msb_setshort(uint8_t *b, uint16_t v);
00529     __EXPORT void msb_setlong(uint8_t *b, uint32_t v);
00530 
00531 }
00532 
00533 #endif

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