5a4bd9a069
Changed some stuff in the doxyfile and added a directory structure for future manual pages.
84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
/*
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* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
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* RWTH Aachen University
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of MetalSVM.
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*/
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/**
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* @author Stefan Lankes
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* @file include/metalsvm/time.h
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* @brief Time related functions
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*/
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#ifndef __TIME_H__
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#define __TIME_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef uint32_t clock_t;
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struct tms {
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clock_t tms_utime;
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clock_t tms_stime;
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clock_t tms_cutime;
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clock_t tms_cstime;
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};
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#ifndef CLOCKS_PER_SEC
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// newlib's default value
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#define CLOCKS_PER_SEC 1000
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#endif
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/** @brief Determines the time in CLK_TCK's
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*
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* System call, which returns the value of time in CLK_TCK's
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*/
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int sys_times(struct tms*, clock_t* clock);
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/** @brief Initialize Timer interrupts
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*
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* This procedure installs IRQ handlers for timer interrupts
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*/
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int timer_init(void);
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/** @brief Initialized a timer
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*
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* @param ticks Amount of ticks to wait
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* @return
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* - 0 on success
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*/
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int timer_wait(unsigned int ticks);
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/** @brief Returns the current number of ticks.
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* @return Current number of ticks
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*/
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uint64_t get_clock_tick(void);
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/** @brief sleep some seconds
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*
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* This function sleeps some seconds
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*
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* @param sec Amount of seconds to wait
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*/
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static inline void sleep(unsigned int sec) { timer_wait(sec*TIMER_FREQ); }
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#ifdef __cplusplus
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}
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#endif
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#endif
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