36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/* This is file GETRUSAG.C */
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/*
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** Copyright (C) 1991 DJ Delorie
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**
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** This file is distributed under the terms listed in the document
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** "copying.dj".
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** A copy of "copying.dj" should accompany this file; if not, a copy
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** should be available from where this file was obtained. This file
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** may not be distributed without a verbatim copy of "copying.dj".
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**
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** This file is distributed WITHOUT ANY WARRANTY; without even the implied
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** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include <sys/time.h>
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#include <sys/resource.h>
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static struct timeval old_time = {0,0};
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int getrusage(int who, struct rusage *rusage)
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{
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struct timeval now;
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bzero(rusage, sizeof(struct rusage));
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if (old_time.tv_sec == 0)
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gettimeofday(&old_time, 0);
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gettimeofday(&now, 0);
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rusage->ru_utime.tv_usec = now.tv_usec - old_time.tv_usec;
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rusage->ru_utime.tv_sec = now.tv_sec - old_time.tv_sec;
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if (rusage->ru_utime.tv_usec < 0)
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{
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rusage->ru_utime.tv_usec += 1000000;
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rusage->ru_utime.tv_sec -= 1;
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}
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return 0;
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}
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