mirror of https://gitee.com/bigwinds/arangodb
132 lines
4.5 KiB
C
132 lines
4.5 KiB
C
////////////////////////////////////////////////////////////////////////////////
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/// @brief windows utilties
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Dr. Oreste Costa-Panaia
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/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef TRIAGENS_BASICS_C_WIN_UTILS_H
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#define TRIAGENS_BASICS_C_WIN_UTILS_H 1
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#include <WinSock2.h>
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/* Constants rounded for 21 decimals.
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#define M_E 2.71828182845904523536
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#define M_LOG2E 1.44269504088896340736
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#define M_LOG10E 0.434294481903251827651
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#define M_LN2 0.693147180559945309417
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#define M_LN10 2.30258509299404568402
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#define M_PI 3.14159265358979323846
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#define M_PI_2 1.57079632679489661923
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#define M_PI_4 0.785398163397448309616
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#define M_1_PI 0.318309886183790671538
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#define M_2_PI 0.636619772367581343076
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#define M_1_SQRTPI 0.564189583547756286948
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#define M_2_SQRTPI 1.12837916709551257390
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#define M_SQRT2 1.41421356237309504880
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#define M_SQRT_2 0.707106781186547524401
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Windows_Utilties
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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// .............................................................................
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// Called before anything else starts - initialises whatever is required to be
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// initalised.
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// .............................................................................
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typedef enum {
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TRI_WIN_FINAL_SET_INVALID_HANLE_HANDLER,
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TRI_WIN_FINAL_WSASTARTUP_FUNCTION_CALL
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}
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TRI_win_finalise_e;
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typedef enum {
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TRI_WIN_INITIAL_SET_DEBUG_FLAG,
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TRI_WIN_INITIAL_SET_INVALID_HANLE_HANDLER,
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TRI_WIN_INITIAL_SET_MAX_STD_IO,
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TRI_WIN_INITIAL_WSASTARTUP_FUNCTION_CALL
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}
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TRI_win_initialise_e;
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int finaliseWindows (const TRI_win_finalise_e, const char*);
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int initialiseWindows (const TRI_win_initialise_e, const char*);
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// .............................................................................
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// windows equivalent of ftruncate (the truncation of an open file) is
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// _chsize
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// .............................................................................
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int ftruncate (int, long);
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// .............................................................................
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// windows does not have a function called getpagesize -- create one here
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// .............................................................................
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int getpagesize (void);
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// .............................................................................
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// This function uses the CreateFile windows method rather than _open which
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// then will allow the application to rename files on the fly.
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// .............................................................................
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int TRI_createFile (const char* filename, int openFlags, int modeFlags);
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int TRI_openFile (const char* filename, int openFlags);
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// .............................................................................
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// the sleep function in windows is for milliseconds, on linux it is for seconds
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// this provides a translation
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// .............................................................................
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void TRI_sleep(unsigned long);
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// .............................................................................
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// there is no usleep (micro sleep) in windows, so we create one here
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// .............................................................................
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void TRI_usleep(unsigned long);
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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#ifdef __cplusplus
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}
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#endif
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#endif
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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