mirror of git://git.psyced.org/git/psyclpc
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
#ifndef MY_RUSAGE_H__
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#define MY_RUSAGE_H__
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/*------------------------------------------------------------------
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* Portable rusage related definitions and prototypes.
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*
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* Use this file instead of <rusage.h> and others.
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*------------------------------------------------------------------
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*/
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#include "driver.h"
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#ifdef GETRUSAGE_VIA_SYSCALL /* hpux */
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# include <sys/syscall.h>
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# define getrusage(a, b) syscall(SYS_GETRUSAGE, a, b)
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#endif
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#if defined(HAVE_GETRUSAGE)
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# if defined(RUSAGE_USEC) || defined(__hpux__)
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# define RUSAGE_TIME(t) ( (t).tv_sec * 1000 + (t).tv_usec / 1000 )
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# else
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# if defined(solaris)
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/* the header files are POSIX, but the function is BSD :-( */
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# define RUSAGE_TIME(t) ( (t).tv_sec * 1000 + (t).tv_nsec / 1000 )
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# else
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# define RUSAGE_TIME(t) ( (t).tv_sec * 1000 + (t).tv_nsec / 1000000 )
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# endif /* ! solaris */
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# endif /* RUSAGE_USEC */
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# ifdef HAVE_SYS_TIME_H
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# include <sys/time.h> /* Needed on some systems for sys/resource.h */
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# endif
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# ifdef HAVE_SYS_RUSAGE_H /* solaris */
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# include <sys/rusage.h>
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# endif /* HAVE_SYS_RUSAGE */
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# include <sys/resource.h>
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# ifdef sun
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extern int getpagesize();
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# endif
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# if defined(sun) || defined(ultrix)
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extern int getrusage (int, struct rusage *);
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# endif
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#else /* !HAVE_GETRUSAGE */
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# undef GETRUSAGE_RESTRICTED
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# define GETRUSAGE_RESTRICTED
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# define RUSAGE_SELF 0
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# if defined(POSIX) && (HAVE_SYSCONF)
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/* there is actually a system that pretends to be POSIX, prototypes sysconf,
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* but does not have it.
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*/
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# define TIMES_FREQ sysconf(_SC_CLK_TCK)
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# else /* !POSIX */
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# include <sys/time.h>
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# include <sys/times.h>
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# include <time.h>
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# define TIMES_FREQ CLK_TCK
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# ifndef CLK_TCK
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# define CLK_TCK CLOCKS_PER_SEC
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# ifndef CLOCKS_PER_SEC
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# define CLOCKS_PER_SEC 60
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# endif /* !CLOCKS_PER_SEC */
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# endif /* !CLK_TCK */
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# endif /* !POSIX */
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# define RUSAGE_TIME(t) ( (t) * 1000 / TIMES_FREQ )
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struct rusage {
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long ru_utime, ru_stime;
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};
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extern int getrusage(int, struct rusage*);
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/* Implemented in port.c */
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#endif /* HAVE_GETRUSAGE */
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#ifndef RUSAGE_SELF
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# define RUSAGE_SELF 0
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#endif
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#endif /* MY_RUSAGE_H__ */
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