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- /* This is file GETRUSAG.C */
- /*
- ** Copyright (C) 1993 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
- **
- ** This file is distributed under the terms listed in the document
- ** "copying.dj", available from DJ Delorie at the address above.
- ** A copy of "copying.dj" should accompany this file; if not, a copy
- ** should be available from where this file was obtained. This file
- ** may not be distributed without a verbatim copy of "copying.dj".
- **
- ** This file is distributed WITHOUT ANY WARRANTY; without even the implied
- ** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #include <sys/time.h>
- #include <sys/resource.h>
-
- static struct timeval old_time = {0,0};
-
- int getrusage(int who, struct rusage *rusage)
- {
- struct timeval now;
- bzero(rusage, sizeof(struct rusage));
- if (old_time.tv_sec == 0)
- gettimeofday(&old_time, 0);
- gettimeofday(&now, 0);
- rusage->ru_utime.tv_usec = now.tv_usec - old_time.tv_usec;
- rusage->ru_utime.tv_sec = now.tv_sec - old_time.tv_sec;
- if (rusage->ru_utime.tv_usec < 0)
- {
- rusage->ru_utime.tv_usec += 1000000;
- rusage->ru_utime.tv_sec -= 1;
- }
- return 0;
- }
-