110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
/* Implementation of the CPU_TIME intrinsic.
|
|
Copyright (C) 2003-2013 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU Fortran runtime library (libgfortran).
|
|
|
|
Libgfortran 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 3 of the License, or (at your option) any later version.
|
|
|
|
Libgfortran 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.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "libgfortran.h"
|
|
#include "time_1.h"
|
|
|
|
|
|
static void
|
|
__cpu_time_1 (long *sec, long *usec)
|
|
{
|
|
long user_sec, user_usec, system_sec, system_usec;
|
|
if (gf_cputime (&user_sec, &user_usec, &system_sec, &system_usec) == 0)
|
|
{
|
|
*sec = user_sec + system_sec;
|
|
*usec = user_usec + system_usec;
|
|
}
|
|
else
|
|
{
|
|
*sec = -1;
|
|
*usec = 0;
|
|
}
|
|
}
|
|
|
|
|
|
extern void cpu_time_4 (GFC_REAL_4 *);
|
|
iexport_proto(cpu_time_4);
|
|
|
|
void cpu_time_4 (GFC_REAL_4 *time)
|
|
{
|
|
long sec, usec;
|
|
__cpu_time_1 (&sec, &usec);
|
|
*time = sec + usec * GFC_REAL_4_LITERAL(1.e-6);
|
|
}
|
|
iexport(cpu_time_4);
|
|
|
|
extern void cpu_time_8 (GFC_REAL_8 *);
|
|
export_proto(cpu_time_8);
|
|
|
|
void cpu_time_8 (GFC_REAL_8 *time)
|
|
{
|
|
long sec, usec;
|
|
__cpu_time_1 (&sec, &usec);
|
|
*time = sec + usec * GFC_REAL_8_LITERAL(1.e-6);
|
|
}
|
|
|
|
#ifdef HAVE_GFC_REAL_10
|
|
extern void cpu_time_10 (GFC_REAL_10 *);
|
|
export_proto(cpu_time_10);
|
|
|
|
void cpu_time_10 (GFC_REAL_10 *time)
|
|
{
|
|
long sec, usec;
|
|
__cpu_time_1 (&sec, &usec);
|
|
*time = sec + usec * GFC_REAL_10_LITERAL(1.e-6);
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_GFC_REAL_16
|
|
extern void cpu_time_16 (GFC_REAL_16 *);
|
|
export_proto(cpu_time_16);
|
|
|
|
void cpu_time_16 (GFC_REAL_16 *time)
|
|
{
|
|
long sec, usec;
|
|
__cpu_time_1 (&sec, &usec);
|
|
*time = sec + usec * GFC_REAL_16_LITERAL(1.e-6);
|
|
}
|
|
#endif
|
|
|
|
extern void second_sub (GFC_REAL_4 *);
|
|
export_proto(second_sub);
|
|
|
|
void
|
|
second_sub (GFC_REAL_4 *s)
|
|
{
|
|
cpu_time_4 (s);
|
|
}
|
|
|
|
extern GFC_REAL_4 second (void);
|
|
export_proto(second);
|
|
|
|
GFC_REAL_4
|
|
second (void)
|
|
{
|
|
GFC_REAL_4 s;
|
|
cpu_time_4 (&s);
|
|
return s;
|
|
}
|