src/include/platform_interface.h - platform/external/libmicrohttpd - Git at Google

 /*
   This file is part of libmicrohttpd
   Copyright (C) 2014 Karlson2k (Evgeny Grin)

   This library 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 2.1 of the License, or (at your option) any later version.

   This library 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 this library.
   If not, see <http://www.gnu.org/licenses/>.
 */

 /**
  * @file include/platform_interface.h
  * @brief  internal platform abstraction functions
  * @author Karlson2k (Evgeny Grin)
  */

 #ifndef MHD_PLATFORM_INTERFACE_H
 #define MHD_PLATFORM_INTERFACE_H

 #include "platform.h"
 #if defined(_WIN32) && !defined(__CYGWIN__)
 #include "w32functions.h"
 #endif

 /* *****************************
      General function mapping
    *****************************/
 #if !defined(_WIN32) || defined(__CYGWIN__)
 /**
  * Check two strings case-insensitive equality
  * @param a first string to check
  * @param b second string to check
  * @return boolean true if strings are equal, boolean false if strings are unequal
  */
 #define MHD_str_equal_caseless_(a,b) (0==strcasecmp((a),(b)))
 #else
 /**
  * Check two strings case-insensitive equality
  * @param a first string to check
  * @param b second string to check
  * @return boolean true if strings are equal, boolean false if strings are unequal
  */
 #define MHD_str_equal_caseless_(a,b) (0==_stricmp((a),(b)))
 #endif

 #if !defined(_WIN32) || defined(__CYGWIN__)
 /**
  * Check not more than n chars in two strings case-insensitive equality
  * @param a first string to check
  * @param b second string to check
  * @param n maximum number of chars to check
  * @return boolean true if strings are equal, boolean false if strings are unequal
  */
 #define MHD_str_equal_caseless_n_(a,b,n) (0==strncasecmp((a),(b),(n)))
 #else
 /**
  * Check not more than n chars in two strings case-insensitive equality
  * @param a first string to check
  * @param b second string to check
  * @param n maximum number of chars to check
  * @return boolean true if strings are equal, boolean false if strings are unequal
  */
 #define MHD_str_equal_caseless_n_(a,b,n) (0==_strnicmp((a),(b),(n)))
 #endif

 /* Platform-independent snprintf name */
 #if !defined(_WIN32) || defined(__CYGWIN__)
 #define MHD_snprintf_ snprintf
 #else
 #define MHD_snprintf_ W32_snprintf
 #endif


 /* MHD_socket_close_(fd) close any FDs (non-W32) / close only socket FDs (W32) */
 #if !defined(_WIN32) || defined(__CYGWIN__)
 #define MHD_socket_close_(fd) close((fd))
 #else
 #define MHD_socket_close_(fd) closesocket((fd))
 #endif

 /* MHD_socket_errno_ is errno of last function (non-W32) / errno of last socket function (W32) */
 #if !defined(_WIN32) || defined(__CYGWIN__)
 #define MHD_socket_errno_ errno
 #else
 #define MHD_socket_errno_ MHD_W32_errno_from_winsock_()
 #endif

 /* MHD_socket_last_strerr_ is description string of last errno (non-W32) /
  *                            description string of last socket error (W32) */
 #if !defined(_WIN32) || defined(__CYGWIN__)
 #define MHD_socket_last_strerr_() strerror(errno)
 #else
 #define MHD_socket_last_strerr_() MHD_W32_strerror_last_winsock_()
 #endif

 /* MHD_strerror_ is strerror (both non-W32/W32) */
 #if !defined(_WIN32) || defined(__CYGWIN__)
 #define MHD_strerror_(errnum) strerror((errnum))
 #else
 #define MHD_strerror_(errnum) MHD_W32_strerror_((errnum))
 #endif

 /* MHD_set_socket_errno_ set errno to errnum (non-W32) / set socket last error to errnum (W32) */
 #if !defined(_WIN32) || defined(__CYGWIN__)
 #define MHD_set_socket_errno_(errnum) errno=(errnum)
 #else
 #define MHD_set_socket_errno_(errnum) MHD_W32_set_last_winsock_error_((errnum))
 #endif

 /* MHD_SYS_select_ is wrapper macro for system select() function */
 #if !defined(MHD_WINSOCK_SOCKETS)
 #define MHD_SYS_select_(n,r,w,e,t) select((n),(r),(w),(e),(t))
 #else
 #define MHD_SYS_select_(n,r,w,e,t) select((int)0,(r),(w),(e),(t))
 #endif

 #if defined(HAVE_POLL)
 /* MHD_sys_poll_ is wrapper macro for system poll() function */
 #if !defined(MHD_WINSOCK_SOCKETS)
 #define MHD_sys_poll_ poll
 #else  /* MHD_WINSOCK_SOCKETS */
 #define MHD_sys_poll_ WSAPoll
 #endif /* MHD_WINSOCK_SOCKETS */
 #endif /* HAVE_POLL */

 /* MHD_pipe_ create pipe (!MHD_DONT_USE_PIPES) /
  *           create two connected sockets (MHD_DONT_USE_PIPES) */
 #ifndef MHD_DONT_USE_PIPES
 #define MHD_pipe_(fdarr) pipe((fdarr))
 #else /* MHD_DONT_USE_PIPES */
 #if !defined(_WIN32) || defined(__CYGWIN__)
 #define MHD_pipe_(fdarr) socketpair(AF_LOCAL, SOCK_STREAM, 0, (fdarr))
 #else /* !defined(_WIN32) || defined(__CYGWIN__) */
 #define MHD_pipe_(fdarr) MHD_W32_pair_of_sockets_((fdarr))
 #endif /* !defined(_WIN32) || defined(__CYGWIN__) */
 #endif /* MHD_DONT_USE_PIPES */

 /* MHD_pipe_errno_ is errno of last function (!MHD_DONT_USE_PIPES) /
  *                    errno of last emulated pipe function (MHD_DONT_USE_PIPES) */
 #ifndef MHD_DONT_USE_PIPES
 #define MHD_pipe_errno_ errno
 #else
 #define MHD_pipe_errno_ MHD_socket_errno_
 #endif

 /* MHD_pipe_last_strerror_ is description string of last errno (!MHD_DONT_USE_PIPES) /
  *                            description string of last pipe error (MHD_DONT_USE_PIPES) */
 #ifndef MHD_DONT_USE_PIPES
 #define MHD_pipe_last_strerror_() strerror(errno)
 #else
 #define MHD_pipe_last_strerror_() MHD_socket_last_strerr_()
 #endif

 /* MHD_pipe_write_ write data to real pipe (!MHD_DONT_USE_PIPES) /
  *                 write data to emulated pipe (MHD_DONT_USE_PIPES) */
 #ifndef MHD_DONT_USE_PIPES
 #define MHD_pipe_write_(fd, ptr, sz) write((fd), (const void*)(ptr), (sz))
 #else
 #define MHD_pipe_write_(fd, ptr, sz) send((fd), (const char*)(ptr), (sz), 0)
 #endif

 /* MHD_pipe_read_ read data from real pipe (!MHD_DONT_USE_PIPES) /
  *                read data from emulated pipe (MHD_DONT_USE_PIPES) */
 #ifndef MHD_DONT_USE_PIPES
 #define MHD_pipe_read_(fd, ptr, sz) read((fd), (void*)(ptr), (sz))
 #else
 #define MHD_pipe_read_(fd, ptr, sz) recv((fd), (char*)(ptr), (sz), 0)
 #endif

 /* MHD_pipe_close_(fd) close any FDs (non-W32) /
  *                     close emulated pipe FDs (W32) */
 #ifndef MHD_DONT_USE_PIPES
 #define MHD_pipe_close_(fd) close((fd))
 #else
 #define MHD_pipe_close_(fd) MHD_socket_close_((fd))
 #endif

 /* MHD_INVALID_PIPE_ is a value of bad pipe FD */
 #ifndef MHD_DONT_USE_PIPES
 #define MHD_INVALID_PIPE_ (-1)
 #else
 #define MHD_INVALID_PIPE_ MHD_INVALID_SOCKET
 #endif

 #if !defined(_WIN32) || defined(__CYGWIN__)
 #define MHD_random_() random()
 #else
 #define MHD_random_() MHD_W32_random_()
 #endif

 #if defined(MHD_USE_POSIX_THREADS)
 typedef pthread_t MHD_thread_handle_;
 #elif defined(MHD_USE_W32_THREADS)
 #include <windows.h>
 typedef HANDLE MHD_thread_handle_;
 #else
 #error "No threading API is available."
 #endif

 #if defined(MHD_USE_POSIX_THREADS)
 #define MHD_THRD_RTRN_TYPE_ void*
 #define MHD_THRD_CALL_SPEC_
 #elif defined(MHD_USE_W32_THREADS)
 #define MHD_THRD_RTRN_TYPE_ unsigned
 #define MHD_THRD_CALL_SPEC_ __stdcall
 #endif

 #if defined(MHD_USE_POSIX_THREADS)
 /**
  * Wait until specified thread is ended
  * @param thread ID to watch
  * @return zero on success, nonzero on failure
  */
 #define MHD_join_thread_(thread) pthread_join((thread), NULL)
 #elif defined(MHD_USE_W32_THREADS)
 /**
  * Wait until specified thread is ended
  * Close thread handle on success
  * @param thread handle to watch
  * @return zero on success, nonzero on failure
  */
 #define MHD_join_thread_(thread) (WAIT_OBJECT_0 == WaitForSingleObject((thread), INFINITE) ? (CloseHandle((thread)), 0) : 1 )
 #endif

 #if defined(MHD_USE_W32_THREADS)
 #define MHD_W32_MUTEX_ 1
 #include <windows.h>
 typedef CRITICAL_SECTION MHD_mutex_;
 #elif defined(HAVE_PTHREAD_H) && defined(MHD_USE_POSIX_THREADS)
 #define MHD_PTHREAD_MUTEX_ 1
 typedef pthread_mutex_t MHD_mutex_;
 #else
 #error "No base mutex API is available."
 #endif

 #if defined(MHD_PTHREAD_MUTEX_)
 /**
  * Create new mutex.
  * @param mutex pointer to the mutex
  * @return #MHD_YES on success, #MHD_NO on failure
  */
 #define MHD_mutex_create_(mutex) \
   ((0 == pthread_mutex_init ((mutex), NULL)) ? MHD_YES : MHD_NO)
 #elif defined(MHD_W32_MUTEX_)
 /**
  * Create new mutex.
  * @param mutex pointer to mutex
  * @return #MHD_YES on success, #MHD_NO on failure
  */
 #define MHD_mutex_create_(mutex) \
   ((NULL != (mutex) && 0 != InitializeCriticalSectionAndSpinCount((mutex),2000)) ? MHD_YES : MHD_NO)
 #endif

 #if defined(MHD_PTHREAD_MUTEX_)
 /**
  * Destroy previously created mutex.
  * @param mutex pointer to mutex
  * @return #MHD_YES on success, #MHD_NO on failure
  */
 #define MHD_mutex_destroy_(mutex) \
   ((0 == pthread_mutex_destroy ((mutex))) ? MHD_YES : MHD_NO)
 #elif defined(MHD_W32_MUTEX_)
 /**
  * Destroy previously created mutex.
  * @param mutex pointer to mutex
  * @return #MHD_YES on success, #MHD_NO on failure
  */
 #define MHD_mutex_destroy_(mutex) \
   ((NULL != (mutex)) ? (DeleteCriticalSection(mutex), MHD_YES) : MHD_NO)
 #endif

 #if defined(MHD_PTHREAD_MUTEX_)
 /**
  * Acquire lock on previously created mutex.
  * If mutex was already locked by other thread, function
  * blocks until mutex becomes available.
  * @param mutex pointer to mutex
  * @return #MHD_YES on success, #MHD_NO on failure
  */
 #define MHD_mutex_lock_(mutex) \
   ((0 == pthread_mutex_lock((mutex))) ? MHD_YES : MHD_NO)
 #elif defined(MHD_W32_MUTEX_)
 /**
  * Acquire lock on previously created mutex.
  * If mutex was already locked by other thread, function
  * blocks until mutex becomes available.
  * @param mutex pointer to mutex
  * @return #MHD_YES on success, #MHD_NO on failure
  */
 #define MHD_mutex_lock_(mutex) \
   ((NULL != (mutex)) ? (EnterCriticalSection((mutex)), MHD_YES) : MHD_NO)
 #endif

 #if defined(MHD_PTHREAD_MUTEX_)
 /**
  * Try to acquire lock on previously created mutex.
  * Function returns immediately.
  * @param mutex pointer to mutex
  * @return #MHD_YES if mutex is locked, #MHD_NO if
  * mutex was not locked.
  */
 #define MHD_mutex_trylock_(mutex) \
   ((0 == pthread_mutex_trylock((mutex))) ? MHD_YES : MHD_NO)
 #elif defined(MHD_W32_MUTEX_)
 /**
  * Try to acquire lock on previously created mutex.
  * Function returns immediately.
  * @param mutex pointer to mutex
  * @return #MHD_YES if mutex is locked, #MHD_NO if
  * mutex was not locked.
  */
 #define MHD_mutex_trylock_(mutex) \
   ((NULL != (mutex) && 0 != TryEnterCriticalSection ((mutex))) ? MHD_YES : MHD_NO)
 #endif

 #if defined(MHD_PTHREAD_MUTEX_)
 /**
  * Unlock previously created and locked mutex.
  * @param mutex pointer to mutex
  * @return #MHD_YES on success, #MHD_NO on failure
  */
 #define MHD_mutex_unlock_(mutex) \
   ((0 == pthread_mutex_unlock((mutex))) ? MHD_YES : MHD_NO)
 #elif defined(MHD_W32_MUTEX_)
 /**
  * Unlock previously created and locked mutex.
  * @param mutex pointer to mutex
  * @return #MHD_YES on success, #MHD_NO on failure
  */
 #define MHD_mutex_unlock_(mutex) \
   ((NULL != (mutex)) ? (LeaveCriticalSection((mutex)), MHD_YES) : MHD_NO)
 #endif

 #endif // MHD_PLATFORM_INTERFACE_H
	/*
	This file is part of libmicrohttpd
	Copyright (C) 2014 Karlson2k (Evgeny Grin)

	This library 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 2.1 of the License, or (at your option) any later version.

	This library 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 this library.
	If not, see <http://www.gnu.org/licenses/>.
	*/

	/**
	* @file include/platform_interface.h
	* @brief internal platform abstraction functions
	* @author Karlson2k (Evgeny Grin)
	*/

	#ifndef MHD_PLATFORM_INTERFACE_H
	#define MHD_PLATFORM_INTERFACE_H

	#include "platform.h"
	#if defined(_WIN32) && !defined(__CYGWIN__)
	#include "w32functions.h"
	#endif

	/* *****************************
	General function mapping
	*****************************/
	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	/**
	* Check two strings case-insensitive equality
	* @param a first string to check
	* @param b second string to check
	* @return boolean true if strings are equal, boolean false if strings are unequal
	*/
	#define MHD_str_equal_caseless_(a,b) (0==strcasecmp((a),(b)))
	#else
	/**
	* Check two strings case-insensitive equality
	* @param a first string to check
	* @param b second string to check
	* @return boolean true if strings are equal, boolean false if strings are unequal
	*/
	#define MHD_str_equal_caseless_(a,b) (0==_stricmp((a),(b)))
	#endif

	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	/**
	* Check not more than n chars in two strings case-insensitive equality
	* @param a first string to check
	* @param b second string to check
	* @param n maximum number of chars to check
	* @return boolean true if strings are equal, boolean false if strings are unequal
	*/
	#define MHD_str_equal_caseless_n_(a,b,n) (0==strncasecmp((a),(b),(n)))
	#else
	/**
	* Check not more than n chars in two strings case-insensitive equality
	* @param a first string to check
	* @param b second string to check
	* @param n maximum number of chars to check
	* @return boolean true if strings are equal, boolean false if strings are unequal
	*/
	#define MHD_str_equal_caseless_n_(a,b,n) (0==_strnicmp((a),(b),(n)))
	#endif

	/* Platform-independent snprintf name */
	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	#define MHD_snprintf_ snprintf
	#else
	#define MHD_snprintf_ W32_snprintf
	#endif



	/* MHD_socket_close_(fd) close any FDs (non-W32) / close only socket FDs (W32) */
	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	#define MHD_socket_close_(fd) close((fd))
	#else
	#define MHD_socket_close_(fd) closesocket((fd))
	#endif

	/* MHD_socket_errno_ is errno of last function (non-W32) / errno of last socket function (W32) */
	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	#define MHD_socket_errno_ errno
	#else
	#define MHD_socket_errno_ MHD_W32_errno_from_winsock_()
	#endif

	/* MHD_socket_last_strerr_ is description string of last errno (non-W32) /
	* description string of last socket error (W32) */
	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	#define MHD_socket_last_strerr_() strerror(errno)
	#else
	#define MHD_socket_last_strerr_() MHD_W32_strerror_last_winsock_()
	#endif

	/* MHD_strerror_ is strerror (both non-W32/W32) */
	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	#define MHD_strerror_(errnum) strerror((errnum))
	#else
	#define MHD_strerror_(errnum) MHD_W32_strerror_((errnum))
	#endif

	/* MHD_set_socket_errno_ set errno to errnum (non-W32) / set socket last error to errnum (W32) */
	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	#define MHD_set_socket_errno_(errnum) errno=(errnum)
	#else
	#define MHD_set_socket_errno_(errnum) MHD_W32_set_last_winsock_error_((errnum))
	#endif

	/* MHD_SYS_select_ is wrapper macro for system select() function */
	#if !defined(MHD_WINSOCK_SOCKETS)
	#define MHD_SYS_select_(n,r,w,e,t) select((n),(r),(w),(e),(t))
	#else
	#define MHD_SYS_select_(n,r,w,e,t) select((int)0,(r),(w),(e),(t))
	#endif

	#if defined(HAVE_POLL)
	/* MHD_sys_poll_ is wrapper macro for system poll() function */
	#if !defined(MHD_WINSOCK_SOCKETS)
	#define MHD_sys_poll_ poll
	#else /* MHD_WINSOCK_SOCKETS */
	#define MHD_sys_poll_ WSAPoll
	#endif /* MHD_WINSOCK_SOCKETS */
	#endif /* HAVE_POLL */

	/* MHD_pipe_ create pipe (!MHD_DONT_USE_PIPES) /
	* create two connected sockets (MHD_DONT_USE_PIPES) */
	#ifndef MHD_DONT_USE_PIPES
	#define MHD_pipe_(fdarr) pipe((fdarr))
	#else /* MHD_DONT_USE_PIPES */
	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	#define MHD_pipe_(fdarr) socketpair(AF_LOCAL, SOCK_STREAM, 0, (fdarr))
	#else /* !defined(_WIN32) \|\| defined(__CYGWIN__) */
	#define MHD_pipe_(fdarr) MHD_W32_pair_of_sockets_((fdarr))
	#endif /* !defined(_WIN32) \|\| defined(__CYGWIN__) */
	#endif /* MHD_DONT_USE_PIPES */

	/* MHD_pipe_errno_ is errno of last function (!MHD_DONT_USE_PIPES) /
	* errno of last emulated pipe function (MHD_DONT_USE_PIPES) */
	#ifndef MHD_DONT_USE_PIPES
	#define MHD_pipe_errno_ errno
	#else
	#define MHD_pipe_errno_ MHD_socket_errno_
	#endif

	/* MHD_pipe_last_strerror_ is description string of last errno (!MHD_DONT_USE_PIPES) /
	* description string of last pipe error (MHD_DONT_USE_PIPES) */
	#ifndef MHD_DONT_USE_PIPES
	#define MHD_pipe_last_strerror_() strerror(errno)
	#else
	#define MHD_pipe_last_strerror_() MHD_socket_last_strerr_()
	#endif

	/* MHD_pipe_write_ write data to real pipe (!MHD_DONT_USE_PIPES) /
	* write data to emulated pipe (MHD_DONT_USE_PIPES) */
	#ifndef MHD_DONT_USE_PIPES
	#define MHD_pipe_write_(fd, ptr, sz) write((fd), (const void*)(ptr), (sz))
	#else
	#define MHD_pipe_write_(fd, ptr, sz) send((fd), (const char*)(ptr), (sz), 0)
	#endif

	/* MHD_pipe_read_ read data from real pipe (!MHD_DONT_USE_PIPES) /
	* read data from emulated pipe (MHD_DONT_USE_PIPES) */
	#ifndef MHD_DONT_USE_PIPES
	#define MHD_pipe_read_(fd, ptr, sz) read((fd), (void*)(ptr), (sz))
	#else
	#define MHD_pipe_read_(fd, ptr, sz) recv((fd), (char*)(ptr), (sz), 0)
	#endif

	/* MHD_pipe_close_(fd) close any FDs (non-W32) /
	* close emulated pipe FDs (W32) */
	#ifndef MHD_DONT_USE_PIPES
	#define MHD_pipe_close_(fd) close((fd))
	#else
	#define MHD_pipe_close_(fd) MHD_socket_close_((fd))
	#endif

	/* MHD_INVALID_PIPE_ is a value of bad pipe FD */
	#ifndef MHD_DONT_USE_PIPES
	#define MHD_INVALID_PIPE_ (-1)
	#else
	#define MHD_INVALID_PIPE_ MHD_INVALID_SOCKET
	#endif

	#if !defined(_WIN32) \|\| defined(__CYGWIN__)
	#define MHD_random_() random()
	#else
	#define MHD_random_() MHD_W32_random_()
	#endif

	#if defined(MHD_USE_POSIX_THREADS)
	typedef pthread_t MHD_thread_handle_;
	#elif defined(MHD_USE_W32_THREADS)
	#include <windows.h>
	typedef HANDLE MHD_thread_handle_;
	#else
	#error "No threading API is available."
	#endif

	#if defined(MHD_USE_POSIX_THREADS)
	#define MHD_THRD_RTRN_TYPE_ void*
	#define MHD_THRD_CALL_SPEC_
	#elif defined(MHD_USE_W32_THREADS)
	#define MHD_THRD_RTRN_TYPE_ unsigned
	#define MHD_THRD_CALL_SPEC_ __stdcall
	#endif

	#if defined(MHD_USE_POSIX_THREADS)
	/**
	* Wait until specified thread is ended
	* @param thread ID to watch
	* @return zero on success, nonzero on failure
	*/
	#define MHD_join_thread_(thread) pthread_join((thread), NULL)
	#elif defined(MHD_USE_W32_THREADS)
	/**
	* Wait until specified thread is ended
	* Close thread handle on success
	* @param thread handle to watch
	* @return zero on success, nonzero on failure
	*/
	#define MHD_join_thread_(thread) (WAIT_OBJECT_0 == WaitForSingleObject((thread), INFINITE) ? (CloseHandle((thread)), 0) : 1 )
	#endif

	#if defined(MHD_USE_W32_THREADS)
	#define MHD_W32_MUTEX_ 1
	#include <windows.h>
	typedef CRITICAL_SECTION MHD_mutex_;
	#elif defined(HAVE_PTHREAD_H) && defined(MHD_USE_POSIX_THREADS)
	#define MHD_PTHREAD_MUTEX_ 1
	typedef pthread_mutex_t MHD_mutex_;
	#else
	#error "No base mutex API is available."
	#endif

	#if defined(MHD_PTHREAD_MUTEX_)
	/**
	* Create new mutex.
	* @param mutex pointer to the mutex
	* @return #MHD_YES on success, #MHD_NO on failure
	*/
	#define MHD_mutex_create_(mutex) \
	((0 == pthread_mutex_init ((mutex), NULL)) ? MHD_YES : MHD_NO)
	#elif defined(MHD_W32_MUTEX_)
	/**
	* Create new mutex.
	* @param mutex pointer to mutex
	* @return #MHD_YES on success, #MHD_NO on failure
	*/
	#define MHD_mutex_create_(mutex) \
	((NULL != (mutex) && 0 != InitializeCriticalSectionAndSpinCount((mutex),2000)) ? MHD_YES : MHD_NO)
	#endif

	#if defined(MHD_PTHREAD_MUTEX_)
	/**
	* Destroy previously created mutex.
	* @param mutex pointer to mutex
	* @return #MHD_YES on success, #MHD_NO on failure
	*/
	#define MHD_mutex_destroy_(mutex) \
	((0 == pthread_mutex_destroy ((mutex))) ? MHD_YES : MHD_NO)
	#elif defined(MHD_W32_MUTEX_)
	/**
	* Destroy previously created mutex.
	* @param mutex pointer to mutex
	* @return #MHD_YES on success, #MHD_NO on failure
	*/
	#define MHD_mutex_destroy_(mutex) \
	((NULL != (mutex)) ? (DeleteCriticalSection(mutex), MHD_YES) : MHD_NO)
	#endif

	#if defined(MHD_PTHREAD_MUTEX_)
	/**
	* Acquire lock on previously created mutex.
	* If mutex was already locked by other thread, function
	* blocks until mutex becomes available.
	* @param mutex pointer to mutex
	* @return #MHD_YES on success, #MHD_NO on failure
	*/
	#define MHD_mutex_lock_(mutex) \
	((0 == pthread_mutex_lock((mutex))) ? MHD_YES : MHD_NO)
	#elif defined(MHD_W32_MUTEX_)
	/**
	* Acquire lock on previously created mutex.
	* If mutex was already locked by other thread, function
	* blocks until mutex becomes available.
	* @param mutex pointer to mutex
	* @return #MHD_YES on success, #MHD_NO on failure
	*/
	#define MHD_mutex_lock_(mutex) \
	((NULL != (mutex)) ? (EnterCriticalSection((mutex)), MHD_YES) : MHD_NO)
	#endif

	#if defined(MHD_PTHREAD_MUTEX_)
	/**
	* Try to acquire lock on previously created mutex.
	* Function returns immediately.
	* @param mutex pointer to mutex
	* @return #MHD_YES if mutex is locked, #MHD_NO if
	* mutex was not locked.
	*/
	#define MHD_mutex_trylock_(mutex) \
	((0 == pthread_mutex_trylock((mutex))) ? MHD_YES : MHD_NO)
	#elif defined(MHD_W32_MUTEX_)
	/**
	* Try to acquire lock on previously created mutex.
	* Function returns immediately.
	* @param mutex pointer to mutex
	* @return #MHD_YES if mutex is locked, #MHD_NO if
	* mutex was not locked.
	*/
	#define MHD_mutex_trylock_(mutex) \
	((NULL != (mutex) && 0 != TryEnterCriticalSection ((mutex))) ? MHD_YES : MHD_NO)
	#endif

	#if defined(MHD_PTHREAD_MUTEX_)
	/**
	* Unlock previously created and locked mutex.
	* @param mutex pointer to mutex
	* @return #MHD_YES on success, #MHD_NO on failure
	*/
	#define MHD_mutex_unlock_(mutex) \
	((0 == pthread_mutex_unlock((mutex))) ? MHD_YES : MHD_NO)
	#elif defined(MHD_W32_MUTEX_)
	/**
	* Unlock previously created and locked mutex.
	* @param mutex pointer to mutex
	* @return #MHD_YES on success, #MHD_NO on failure
	*/
	#define MHD_mutex_unlock_(mutex) \
	((NULL != (mutex)) ? (LeaveCriticalSection((mutex)), MHD_YES) : MHD_NO)
	#endif

	#endif // MHD_PLATFORM_INTERFACE_H