Axel Dörfler
77b1fd2243
and adapted all Jamfiles. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15630 a95241bf-73f2-0310-859d-f6bbb57e9c96
46 lines
715 B
C++
46 lines
715 B
C++
/*
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* Copyright 2005, Axel Dörfler, [email protected].
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* Distributed under the terms of the MIT License.
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*/
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#include <OS.h>
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#include <stdio.h>
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#ifdef __HAIKU__
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# include <syscalls.h>
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#else
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extern "C" void _kclose_(int fd);
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#endif
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int
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main(int argc, char **argv)
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{
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const int32 loops = 100000;
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bigtime_t startTime = system_time();
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for (int32 i = 0; i < loops; i++) {
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#ifdef __HAIKU__
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// _kern_null();
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_kern_close(-1);
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#else
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_kclose_(-1);
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#endif
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}
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bigtime_t runTime = system_time() - startTime;
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// empty loop time
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startTime = system_time();
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for (int32 i = 0; i < loops; i++)
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;
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runTime -= system_time() - startTime;
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printf("%f usecs/syscall\n", 1.0 * runTime / loops);
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return 0;
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}
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