/usr/include/ucommon/platform.h is in libucommon-dev 7.0.0-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (C) 2015 Cherokees of Idaho.
//
// This file is part of GNU uCommon C++.
//
// GNU uCommon C++ is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU uCommon C++ is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with GNU uCommon C++. If not, see <http://www.gnu.org/licenses/>.
/**
* Various miscellaneous platform specific headers and defines.
* This is used to support ucommon on different platforms. The ucommon
* library assumes at least a real posix threading library is present or
* will build thread support native on Microsoft Windows legacy platform.
* This header also deals with issues related to common base types.
* @file ucommon/platform.h
*/
#include <cstdlib>
#include <cstddef>
#if __cplusplus >= 201103L
#include <memory>
#endif
#if defined(sun) && defined(unix)
#include <malloc.h>
#endif
#ifndef _UCOMMON_PLATFORM_H_
#define _UCOMMON_PLATFORM_H_
#define UCOMMON_ABI 7
#ifndef UCOMMON_SYSRUNTIME
#ifndef NEW_STDCPP
#define NEW_STDCPP
#endif
#define _UCOMMON_EXTENDED_
#include <stdexcept>
#define __THROW_SIZE(x) throw std::length_error(x)
#define __THROW_RANGE(x) throw std::out_of_range(x)
#define __THROW_RUNTIME(x) throw std::runtime_error(x)
#define __THROW_ALLOC() throw std::bad_alloc()
#define __THROW_DEREF(v) if(v == nullptr) \
throw std::runtime_error("Dereference NULL")
#define __THROW_UNDEF(v,x) if(v == nullptr) throw std::runtime_error(x)
#else
#define __THROW_RANGE(x) abort()
#define __THROW_SIZE(x) abort()
#define __THROW_RUNTIME(x) abort()
#define __THROW_ALLOC() abort()
#define __THROW_DEREF(v) if(v == nullptr) abort()
#define __THROW_UNDEF(v,x) if(v == nullptr) abort()
#endif
/**
* Common namespace for all ucommon objects.
* We are using a common namespace to easily separate ucommon from other
* libraries. This namespace usage is set to the package name and controlled
* by macros so future changes will be hidden from user applications so long
* as the namespace macros (UCOMMON_NAMESPACE, NAMESPACE_UCOMMON,
* END_NAMESPACE) are used in place of direct namespace declarations.
* @namespace ucommon
*/
#define UCOMMON_NAMESPACE ucommon
#define NAMESPACE_UCOMMON namespace ucommon {
#define END_NAMESPACE }
#ifndef _REENTRANT
#define _REENTRANT 1
#endif
#ifndef __PTH__
#ifndef _THREADSAFE
#define _THREADSAFE 1
#endif
#ifndef _POSIX_PTHREAD_SEMANTICS
#define _POSIX_PTHREAD_SEMANTICS
#endif
#endif
#if !defined(__GNUC__) && !defined(__has_feature) && !defined(_MSC_VER)
#define UCOMMON_RTTI 1
#endif
#if __GNUC__ > 3 && defined(__GXX_RTTI)
#define UCOMMON_RTTI 1
#endif
#if defined(_MSC_VER) && defined(_CPPRTTI)
#define UCOMMON_RTTI 1
#endif
#if defined(__has_feature)
#if __has_feature(cxx_rtti)
#define UCOMMON_RTTI 1
#endif
#endif
#ifdef UCOMMON_RTTI
#define __PROTOCOL virtual
template<typename T, typename S>
T protocol_cast(S *s) {
return dynamic_cast<T>(s);
}
#else
#define __PROTOCOL
template<typename T, typename S>
T protocol_cast(S *s) {
return static_cast<T>(s);
}
#endif
#if defined(__GNUC__) && (__GNUC < 3) && !defined(_GNU_SOURCE)
#define _GNU_SOURCE
#endif
#if !defined(__GNUC_PREREQ__)
#if defined(__GNUC__) && defined(__GNUC_MINOR__)
#define __GNUC_PREREQ__(maj, min) ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
#else
#define __GNUC_PREREQ__(maj, min) 0
#endif
#endif
#if __GNUC_PREREQ__(3,3)
#define __PRINTF(x,y) __attribute__ ((format (printf, x, y)))
#define __SCANF(x, y) __attribute__ ((format (scanf, x, y)))
#define __MALLOC __attribute__ ((malloc))
#define __NORETURN __attribute__ ((__noreturn__))
#endif
#define __UNUSED(x) (void)x
#if __cplusplus >= 201103L
#define __ALIGNED(x) alignas(x)
#else
#ifdef _MSC_VER
#define __ALIGNED(x) __declspec(align(x))
#else
#define __ALIGNED(x) __attribute__(align(x))
#endif
#endif
#if __cplusplus < 201103L
#define __FINAL
#define __OVERRIDE
#define __DELETED
#define __DELETE_COPY(x) inline x(const x&);\
inline x& operator=(const x&)
#define __DELETE_DEFAULTS(x) inline x();\
__DELETE_COPY(x)
#else
#define __FINAL final
#define __OVERRIDE override
#define __DELETED =delete
#define __DELETE_COPY(x) inline x(const x&) =delete;\
inline x& operator=(const x&) =delete
#define __DELETE_DEFAULTS(x) inline x() =delete;\
__DELETE_COPY(x)
#endif
#if __cplusplus <= 199711L && !defined(_MSC_VER)
#if defined(__GNUC_MINOR__) && !defined(__clang__)
#define nullptr __null
#elif !defined(__clang__) || (defined(__clang__) && defined(__linux__))
const class nullptr_t
{
public:
template<class T>
inline operator T*() const {
return 0;
}
template<class C, class T>
inline operator T C::*() const {
return 0;
}
private:
void operator&() const;
} nullptr = {};
#endif
#endif
#ifndef __MALLOC
#define __PRINTF(x, y)
#define __SCANF(x, y)
#define __MALLOC
#endif
#ifndef DEBUG
#ifndef NDEBUG
#define NDEBUG
#endif
#endif
#ifdef DEBUG
#ifdef NDEBUG
#undef NDEBUG
#endif
#endif
// see if targeting legacy Microsoft windows platform
#if defined(_MSC_VER) || defined(WIN32) || defined(_WIN32)
#define _MSWINDOWS_
#if defined(_MSC_VER)
#define NOMINMAX
#if _MSC_VER < 1500
#warning "Probably won't build, need VS >= 2010 or later"
#endif
#endif
// minimum required version requires conditional
#ifdef _WIN32_WINNT
#if _WIN32_WINNT < 0x0600
#undef _WIN32_WINNT
#undef WINVER
#endif
#endif
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0600
#endif
#ifdef _MSC_VER
#pragma warning(disable: 4251)
#pragma warning(disable: 4996)
#pragma warning(disable: 4355)
#pragma warning(disable: 4290)
#pragma warning(disable: 4291)
#endif
#if defined(__BORLANDC__) && !defined(__MT__)
#error Please enable multithreading
#endif
#if defined(_MSC_VER) && !defined(_MT)
#error Please enable multithreading (Project -> Settings -> C/C++ -> Code Generation -> Use Runtime Library)
#endif
// Make sure we're consistent with _WIN32_WINNT
#ifndef WINVER
#define WINVER _WIN32_WINNT
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#include <ws2tcpip.h>
#if defined(_MSC_VER)
typedef int socksize_t;
typedef int socklen_t;
typedef signed long ssize_t;
typedef int pid_t;
#else
typedef size_t sockword_t;
typedef size_t socksize_t;
#endif
#include <process.h>
#ifndef __EXPORT
#ifdef UCOMMON_STATIC
#define __EXPORT
#else
#define __EXPORT __declspec(dllimport)
#endif
#endif
#define __LOCAL
// if runtime mode then non-runtime libraries are static on windows...
#if defined(UCOMMON_RUNTIME) || defined(UCOMMON_STATIC)
#define __SHARED
#else
#define __SHARED __EXPORT
#endif
#else
typedef size_t socksize_t;
#define __EXPORT __attribute__ ((visibility("default")))
#define __LOCAL __attribute__ ((visibility("hidden")))
#define __SHARED __attribute__ ((visibility("default")))
#endif
#ifdef _MSWINDOWS_
#define _UWIN
#include <sys/stat.h>
#include <io.h>
// gcc mingw can do native high performance win32 conditionals...
#if defined(UCOMMON_WINPTHREAD) && __GNUC_PREREQ__(4, 8) && !defined(UCOMMON_SYSRUNTIME)
#define __MINGW_WINPTHREAD__
#include <pthread.h> // gnu libstdc++ now requires a win pthread
typedef size_t stacksize_t;
#else
#define _MSTHREADS_
typedef DWORD pthread_t;
typedef DWORD pthread_key_t;
typedef unsigned stacksize_t;
typedef CRITICAL_SECTION pthread_mutex_t;
#endif
typedef char *caddr_t;
typedef HANDLE fd_t;
typedef SOCKET socket_t;
#ifdef _MSC_VER
typedef struct timespec {
time_t tv_sec;
long tv_nsec;
} timespec_t;
#endif
inline void sleep(int seconds)
{::Sleep((seconds * 1000l));}
extern "C" {
#define __SERVICE(id, argc, argv) void WINAPI service_##id(DWORD argc, LPSTR *argv)
#define SERVICE_MAIN(id, argc, argv) void WINAPI service_##id(DWORD argc, LPSTR *argv)
typedef LPSERVICE_MAIN_FUNCTION cpr_service_t;
#ifdef _MSTHREADS_
inline void pthread_exit(void *p)
{_endthreadex((DWORD)0);}
inline pthread_t pthread_self(void)
{return (pthread_t)GetCurrentThreadId();}
inline int pthread_mutex_init(pthread_mutex_t *mutex, void *x)
{InitializeCriticalSection(mutex); return 0;}
inline void pthread_mutex_destroy(pthread_mutex_t *mutex)
{DeleteCriticalSection(mutex);}
inline void pthread_mutex_lock(pthread_mutex_t *mutex)
{EnterCriticalSection(mutex);}
inline void pthread_mutex_unlock(pthread_mutex_t *mutex)
{LeaveCriticalSection(mutex);}
#endif
}
#elif defined(__PTH__)
#include <pth.h>
#include <sys/wait.h>
typedef size_t stacksize_t;
typedef int socket_t;
typedef int fd_t;
#define INVALID_SOCKET -1
#define INVALID_HANDLE_VALUE -1
#include <signal.h>
#define pthread_mutex_t pth_mutex_t
#define pthread_cond_t pth_cond_t
#define pthread_t pth_t
inline int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset)
{return pth_sigmask(how, set, oset);};
inline void pthread_exit(void *p)
{pth_exit(p);};
inline void pthread_kill(pthread_t tid, int sig)
{pth_raise(tid, sig);};
inline int pthread_mutex_init(pthread_mutex_t *mutex, void *x)
{return pth_mutex_init(mutex) != 0;};
inline void pthread_mutex_destroy(pthread_mutex_t *mutex)
{};
inline void pthread_mutex_lock(pthread_mutex_t *mutex)
{pth_mutex_acquire(mutex, 0, nullptr);};
inline void pthread_mutex_unlock(pthread_mutex_t *mutex)
{pth_mutex_release(mutex);};
inline void pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
{pth_cond_await(cond, mutex, nullptr);};
inline void pthread_cond_signal(pthread_cond_t *cond)
{pth_cond_notify(cond, FALSE);};
inline void pthread_cond_broadcast(pthread_cond_t *cond)
{pth_cond_notify(cond, TRUE);};
#else
#include <pthread.h>
typedef size_t stacksize_t;
typedef int socket_t;
typedef int fd_t;
#define INVALID_SOCKET -1
#define INVALID_HANDLE_VALUE -1
#include <signal.h>
#endif
#ifdef _MSC_VER
typedef signed __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef signed __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef signed __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
typedef char *caddr_t;
#include <stdio.h>
#define snprintf(p, s, f, ...) _snprintf_s(p, s, _TRUNCATE, f, __VA_ARGS__)
#define vsnprintf(p, s, f, a) _vsnprintf_s(p, s, _TRUNCATE, f, a)
#else
#include <sys/stat.h>
#include <sys/types.h>
#include <stdint.h>
#include <unistd.h>
#include <stdio.h>
#endif
#undef getchar
#undef putchar
#ifndef _GNU_SOURCE
typedef void (*sighandler_t)(int); /**< Convenient typedef for signal handlers. */
#endif
typedef unsigned long timeout_t;
#include <cctype>
#include <climits>
#include <cerrno>
#ifndef UCOMMON_RUNTIME
#include <new>
#endif
#ifdef _MSWINDOWS_
#ifndef ENETDOWN
#define ENETDOWN ((int)(WSAENETDOWN))
#endif
#ifndef EINPROGRESS
#define EINPROGRESS ((int)(WSAEINPROGRESS))
#endif
#ifndef ENOPROTOOPT
#define ENOPROTOOPT ((int)(WSAENOPROTOOPT))
#endif
#ifndef EADDRINUSE
#define EADDRINUSE ((int)(WSAEADDRINUSE))
#endif
#ifndef EADDRNOTAVAIL
#define EADDRNOTAVAIL ((int)(WSAEADDRNOTAVAIL))
#endif
#ifndef ENETUNREACH
#define ENETUNREACH ((int)(WSAENETUNREACH))
#endif
#ifndef EHOSTUNREACH
#define EHOSTUNREACH ((int)(WSAEHOSTUNREACH))
#endif
#ifndef EHOSTDOWN
#define EHOSTDOWN ((int)(WSAEHOSTDOWN))
#endif
#ifndef ENETRESET
#define ENETRESET ((int)(WSAENETRESET))
#endif
#ifndef ECONNABORTED
#define ECONNABORTED ((int)(WSAECONNABORTED))
#endif
#ifndef ECONNRESET
#define ECONNRESET ((int)(WSAECONNRESET))
#endif
#ifndef EISCONN
#define EISCONN ((int)(WSAEISCONN))
#endif
#ifndef ENOTCONN
#define ENOTCONN ((int)(WSAENOTCONN))
#endif
#ifndef ESHUTDOWN
#define ESHUTDOWN ((int)(WSAESHUTDOWN))
#endif
#ifndef ETIMEDOUT
#define ETIMEDOUT ((int)(WSAETIMEDOUT))
#endif
#ifndef ECONNREFUSED
#define ECONNREFUSED ((int)(WSAECONNREFUSED))
#endif
#endif
#ifndef DEBUG
#ifndef NDEBUG
#define NDEBUG
#endif
#endif
#ifdef DEBUG
#ifdef NDEBUG
#undef NDEBUG
#endif
#endif
#ifndef __PROGRAM
#define __PROGRAM(c,v) extern "C" int main(int c, char **v)
#define PROGRAM_MAIN(argc, argv) extern "C" int main(int argc, char **argv)
#define PROGRAM_EXIT(code) return code
#endif
#ifndef __SERVICE
#define __SERVICE(id, c, v) void service_##id(int c, char **v)
#define SERVICE_MAIN(id, argc, argv) void service_##id(int argc, char **argv)
typedef void (*cpr_service_t)(int argc, char **argv);
#endif
#include <assert.h>
#ifdef DEBUG
#define crit(x, text) assert(x)
#else
#define crit(x, text) if(!(x)) cpr_runtime_error(text)
#endif
/**
* Template function to initialize memory by invoking default constructor.
* If NULL is passed, then NULL is returned without any constructor called.
* @param memory to initialize.
* @return memory initialized.
*/
template<class T>
inline T *init(T *memory)
{return ((memory) ? new(((void *)memory)) T : nullptr);}
typedef long Integer;
typedef unsigned long Unsigned;
typedef double Real;
typedef uint8_t ubyte_t;
/**
* Matching function for strdup().
* @param string to release from allocated memory.
*/
inline void strfree(char *str)
{::free(str);}
template<class T, class S>
inline T polypointer_cast(S *s)
{
#if defined(DEBUG) && defined(UCOMMON_RTTI)
if(s == nullptr)
return nullptr;
T ptr = dynamic_cast<T>(s);
__THROW_DEREF(ptr);
return ptr;
#else
return static_cast<T>(s);
#endif
}
template<class T, class S>
inline T polyconst_cast(S *s)
{
return const_cast<T>(polypointer_cast<T>(s));
}
template<class T, class S>
inline T polystatic_cast(S *s)
{
return static_cast<T>(s);
}
template<class T, class S>
inline T polydynamic_cast(S *s)
{
#if defined(UCOMMON_RTTI)
return dynamic_cast<T>(s);
#else
return static_cast<T>(s);
#endif
}
template<class T, class S>
inline T& polyreference_cast(S *s)
{
__THROW_DEREF(s);
return *(static_cast<T*>(s));
}
template<typename T>
inline T& reference_cast(T *pointer) {
__THROW_DEREF(pointer);
return *pointer;
}
template<typename T>
inline const T immutable_cast(T p)
{
return static_cast<const T>(p);
}
#endif
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