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35 lines
1.3 KiB
C++
35 lines
1.3 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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time/clock.cpp
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Get process execution time.
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*******************************************************************************/
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#include <time.h>
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// TODO: This function is crap and has been replaced by clock_gettime.
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extern "C" clock_t clock()
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{
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struct timespec now;
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if ( clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &now) < 0 )
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return -1;
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static_assert(CLOCKS_PER_SEC == 1000000, "CLOCKS_PER_SEC == 1000000");
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return (clock_t) now.tv_sec * 1000000 + (clock_t) now.tv_sec / 1000;
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}
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