pike.git
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src
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pike_rusage.h
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pike.git/src/pike_rusage.h:1:
/* || This file is part of Pike. For copyright information see COPYRIGHT. || Pike is distributed under GPL, LGPL and MPL. See the file COPYING || for more information.
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|| $Id: pike_rusage.h,v 1.
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|| $Id: pike_rusage.h,v 1.
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*/ #ifndef PIKE_RUSAGE_H #define PIKE_RUSAGE_H /* Prototypes begin here */ typedef long pike_rusage_t[29]; int pike_get_rusage(pike_rusage_t rusage_values); long *low_rusage(void); /* get_cpu_time returns the consumed cpu time (both in kernel and user
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* space, if applicable), or zero if it couldn't be read. */
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* space, if applicable), or zero if it couldn't be read.
Note that
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*
many systems have fairly poor resolution, e.g. on Linux x86 it's
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* only 0.01 second. gettimeofday can therefore be a better choice to
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* measure small time intervals. *
/
#ifdef INT64
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/* The time is returned in nanoseconds.
(There's no guarantee that the
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*
returned value has nanosecond resolution.) *
/
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/* The time is returned in nanoseconds. */
typedef INT64 cpu_time_t; #define LONG_CPU_TIME #define CPU_TIME_TICKS /* per second */ ((cpu_time_t) 1000000000) #define CPU_TIME_UNIT "ns" #else /* The time is returned in milliseconds. (Note that the value will * wrap after about 49 days.) */ typedef unsigned long cpu_time_t; #define CPU_TIME_TICKS /* per second */ ((cpu_time_t) 1000) #define CPU_TIME_UNIT "ms"