105 lines
3.5 KiB
C
105 lines
3.5 KiB
C
/*
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* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
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* Copyright (C) 2005-2012 Colin Leroy <colin@colino.net> & the Claws Mail team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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* This is a (quite naive) timer, to help determine the speed of various
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* functions of Claws. By default START_TIMING() and END_TIMING() are NOPS,
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* so that nothing gets printed out. If you change the #if, however, you'll
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* be able to get functions timing information. As the implementation is
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* naive, START_TIMING("message"); must be present just at the end of a
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* declaration block (or compilation would fail with gcc 2.x), and the
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* END_TIMING() call must be in the same scope.
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*/
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#ifndef __TIMING_H__
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#define __TIMING_H__
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#include <glib.h>
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#include <sys/time.h>
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#ifdef HAVE_CONFIG_H
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#include "claws-features.h"
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#endif
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#include "utils.h"
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# define mytimersub(a, b, result) \
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do { \
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(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
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(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
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if ((result)->tv_usec < 0) { \
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--(result)->tv_sec; \
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(result)->tv_usec += 1000000; \
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} \
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} while (0)
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#if 0 /* set to 0 to measure times at various places */
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#define START_TIMING(str) do {} while(0);
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#define END_TIMING() do {} while(0);
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#else
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#ifdef G_OS_WIN32
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#include <w32lib.h>
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/* no {} by purpose */
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#define START_TIMING(str) \
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LARGE_INTEGER frequency; \
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LARGE_INTEGER start; \
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LARGE_INTEGER end; \
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LARGE_INTEGER diff; \
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const char *timing_name=str; \
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QueryPerformanceFrequency (&frequency); \
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QueryPerformanceCounter (&start);
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#define END_TIMING() \
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QueryPerformanceCounter (&end); \
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diff.QuadPart = \
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(end.QuadPart - start.QuadPart) \
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* 1000000/frequency.QuadPart; \
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debug_print("TIMING %s: %ds%03dms\n", timing_name, \
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(unsigned int) (diff.QuadPart / 1000000), \
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(unsigned int) ((diff.QuadPart / 1000) % 1000));
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#else
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/* no {} by purpose */
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#define START_TIMING(str) \
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struct timeval start; \
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struct timeval end; \
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struct timeval diff; \
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const char *timing_name=str; \
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gettimeofday(&start, NULL);
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#ifdef __GLIBC__
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#define END_TIMING() \
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gettimeofday(&end, NULL); \
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mytimersub(&end, &start, &diff); \
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debug_print("TIMING %s %s: %ds%03dms\n", \
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__FUNCTION__, \
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timing_name, (unsigned int)diff.tv_sec, \
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(unsigned int)diff.tv_usec/1000);
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#else
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#define END_TIMING() \
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gettimeofday(&end, NULL); \
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mytimersub(&end, &start, &diff); \
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debug_print("TIMING %s: %ds%03dms\n", \
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timing_name, (unsigned int)diff.tv_sec, \
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(unsigned int)diff.tv_usec/1000);
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#endif
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#endif
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#endif
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#endif
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