Portable interface to the CPU cycle counter. More...
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Data Structures | |
struct | hr_time |
timer structure More... | |
Functions | |
unsigned long | hardclock (void) |
Return the CPU cycle counter value. | |
unsigned long | get_timer (struct hr_time *val, int reset) |
Return the elapsed time in milliseconds. | |
void | set_alarm (int seconds) |
Setup an alarm clock. | |
void | m_sleep (int milliseconds) |
Sleep for a certain amount of time. | |
Variables | |
volatile int | alarmed |
Portable interface to the CPU cycle counter.
Copyright (C) 2006-2013, Brainspark B.V.
This file is part of PolarSSL (http://www.polarssl.org) Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
All rights reserved.
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.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Definition in file timing.h.
unsigned long get_timer | ( | struct hr_time * | val, | |
int | reset | |||
) |
Return the elapsed time in milliseconds.
val | points to a timer structure | |
reset | if set to 1, the timer is restarted |
Definition at line 259 of file timing.c.
References _hr_time::start.
unsigned long hardclock | ( | void | ) |
Return the CPU cycle counter value.
Definition at line 197 of file timing.c.
References tv_init.
Referenced by hardclock_poll().
void m_sleep | ( | int | milliseconds | ) |
void set_alarm | ( | int | seconds | ) |
Setup an alarm clock.
seconds | delay before the "alarmed" flag is set |
Definition at line 293 of file timing.c.
References sighandler().