/usr/lib/grass70/include/grass/iostream/rtimer.h is in grass-dev 7.0.3-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* MODULE: iostream
*
* COPYRIGHT (C) 2007 Laura Toma
*
*
* Iostream is a library that implements streams, external memory
* sorting on streams, and an external memory priority queue on
* streams. These are the fundamental components used in external
* memory algorithms.
* Credits: The library was developed by Laura Toma. The kernel of
* class STREAM is based on the similar class existent in the GPL TPIE
* project developed at Duke University. The sorting and priority
* queue have been developed by Laura Toma based on communications
* with Rajiv Wickremesinghe. The library was developed as part of
* porting Terraflow to GRASS in 2001. PEARL upgrades in 2003 by
* Rajiv Wickremesinghe as part of the Terracost project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details. *
* **************************************************************************/
#ifndef RTIMER_H
#define RTIMER_H
#ifdef __MINGW32__
#include <time.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
typedef struct {
time_t tv1, tv2;
} Rtimer;
#define rt_start(rt) \
if((time(&(rt.tv1)) == ((time_t) -1))) { \
perror("time"); \
exit(1); \
}
/* doesn't really stop, just updates endtimes */
#define rt_stop(rt) \
if((time(&(rt.tv2)) == ((time_t) -1))) { \
perror("time"); \
exit(1); \
}
#define rt_u_useconds(rt) rt_w_useconds(rt)
#define rt_s_useconds(rt) rt_w_useconds(rt)
#define rt_w_useconds(rt) (1.0e6 * (rt.tv2 - rt.tv1))
#else /* __MINGW32__ */
#include <sys/time.h>
#include <sys/resource.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
typedef struct {
struct rusage rut1, rut2;
struct timeval tv1, tv2;
} Rtimer;
#define rt_start(rt) \
if((getrusage(RUSAGE_SELF, &rt.rut1) < 0) \
|| (gettimeofday(&(rt.tv1), NULL) < 0)) { \
perror("rusage/gettimeofday"); \
exit(1); \
}
/* doesn't really stop, just updates endtimes */
#define rt_stop(rt) \
if((getrusage(RUSAGE_SELF, &rt.rut2) < 0) \
|| (gettimeofday(&(rt.tv2), NULL) < 0)) { \
perror("rusage/gettimeofday"); \
exit(1); \
}
#define rt_u_useconds(rt) \
(((double)rt.rut2.ru_utime.tv_usec + \
(double)rt.rut2.ru_utime.tv_sec*1000000) \
- ((double)rt.rut1.ru_utime.tv_usec + \
(double)rt.rut1.ru_utime.tv_sec*1000000))
#define rt_s_useconds(rt) \
(((double)rt.rut2.ru_stime.tv_usec + \
(double)rt.rut2.ru_stime.tv_sec*1000000) \
- ((double)rt.rut1.ru_stime.tv_usec + \
(double)rt.rut1.ru_stime.tv_sec*1000000))
#define rt_w_useconds(rt) \
(((double)rt.tv2.tv_usec + \
(double)rt.tv2.tv_sec*1000000) \
- ((double)rt.tv1.tv_usec + \
(double)rt.tv1.tv_sec*1000000))
#endif /* __MINGW32__ */
/* not required to be called, but makes values print as 0.
obviously a hack */
#define rt_zero(rt) bzero(&(rt),sizeof(Rtimer));
#define rt_seconds(rt) (rt_w_useconds(rt)/1000000)
#define rt_sprint(buf, rt) rt_sprint_safe(buf,rt)
char * rt_sprint_safe(char *buf, Rtimer rt);
#endif /* RTIMER_H */
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