| // Copyright (C) 1999-2005 Open Source Telecom Corporation. |
| // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. |
| // |
| // 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| // |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| // |
| // This exception applies only to the code released under the name GNU |
| // Common C++. If you copy code from other releases into a copy of GNU |
| // Common C++, as the General Public License permits, the exception does |
| // not apply to the code that you add in this way. To avoid misleading |
| // anyone as to the status of such modified files, you must delete |
| // this exception notice from them. |
| // |
| // If you write modifications of your own for GNU Common C++, it is your choice |
| // whether to permit this exception to apply to your modifications. |
| // If you do not wish that, delete this exception notice. |
| // |
| |
| #include <cc++/config.h> |
| #include <cc++/export.h> |
| #include <cc++/thread.h> |
| #include "private.h" |
| |
| #ifdef CCXX_NAMESPACES |
| namespace ost { |
| #endif |
| |
| #ifndef WIN32 |
| |
| #ifdef HAVE_HIRES_TIMER |
| TimerPort::TimerPort() |
| { |
| struct timespec ts; |
| active = false; |
| |
| #if defined(CLOCK_MONOTONIC) && defined(USE_MONOTONIC_TIMER) |
| ::clock_gettime(CLOCK_MONOTONIC, &ts); |
| #else |
| ::clock_gettime(CLOCK_REALTIME, &ts); |
| #endif |
| timer.tv_sec = ts.tv_sec; |
| timer.tv_usec = ts.tv_nsec / 1000; |
| } |
| #else |
| TimerPort::TimerPort() |
| { |
| active = false; |
| SysTime::getTimeOfDay(&timer); |
| } |
| #endif |
| |
| void TimerPort::setTimer(timeout_t timeout) |
| { |
| #ifdef HAVE_HIRES_TIMER |
| struct timespec ts; |
| #if defined(CLOCK_MONOTONIC) && defined(USE_MONOTONIC_TIMER) |
| ::clock_gettime(CLOCK_MONOTONIC, &ts); |
| #else |
| ::clock_gettime(CLOCK_REALTIME, &ts); |
| #endif |
| timer.tv_sec = ts.tv_sec; |
| timer.tv_usec = ts.tv_nsec / 1000l; |
| #else |
| SysTime::getTimeOfDay(&timer); |
| #endif |
| active = false; |
| if(timeout) |
| incTimer(timeout); |
| } |
| |
| void TimerPort::incTimer(timeout_t timeout) |
| { |
| int secs = timeout / 1000; |
| int usecs = (timeout % 1000) * 1000; |
| |
| timer.tv_usec += usecs; |
| if(timer.tv_usec > 1000000l) { |
| ++timer.tv_sec; |
| timer.tv_usec %= 1000000l; |
| } |
| timer.tv_sec += secs; |
| active = true; |
| } |
| |
| void TimerPort::decTimer(timeout_t timeout) |
| { |
| int secs = timeout / 1000; |
| int usecs = (timeout % 1000) * 1000; |
| |
| if(timer.tv_usec < usecs) { |
| --timer.tv_sec; |
| timer.tv_usec = 1000000l + timer.tv_usec - usecs; |
| } |
| else |
| timer.tv_usec -= usecs; |
| |
| timer.tv_sec -= secs; |
| active = true; |
| } |
| |
| #ifdef HAVE_HIRES_TIMER |
| void TimerPort::sleepTimer(void) |
| { |
| struct timespec ts; |
| ts.tv_sec = timer.tv_sec; |
| ts.tv_nsec = timer.tv_usec * 1000l; |
| |
| #if defined(CLOCK_MONOTONIC) && defined(USE_MONOTONIC_TIMER) |
| ::clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &ts, NULL); |
| #else |
| ::clock_nanosleep(CLOCK_REALTIME, TIMER_ABSTIME, &ts, NULL); |
| #endif |
| } |
| #else |
| void TimerPort::sleepTimer(void) |
| { |
| timeout_t remaining = getTimer(); |
| if(remaining && remaining != TIMEOUT_INF) |
| Thread::sleep(remaining); |
| } |
| #endif |
| |
| void TimerPort::endTimer(void) |
| { |
| active = false; |
| } |
| |
| timeout_t TimerPort::getTimer(void) const |
| { |
| #ifdef HAVE_HIRES_TIMER |
| struct timespec now; |
| #else |
| struct timeval now; |
| #endif |
| long diff; |
| |
| if(!active) |
| return TIMEOUT_INF; |
| |
| #ifdef HAVE_HIRES_TIMER |
| #if defined(CLOCK_MONOTONIC) && defined(USE_MONOTONIC_TIMER) |
| ::clock_gettime(CLOCK_MONOTONIC, &now); |
| #else |
| ::clock_gettime(CLOCK_REALTIME, &now); |
| #endif |
| diff = (timer.tv_sec - now.tv_sec) * 1000l; |
| diff += (timer.tv_usec - (now.tv_nsec / 1000)) / 1000l; |
| #else |
| SysTime::getTimeOfDay(&now); |
| diff = (timer.tv_sec - now.tv_sec) * 1000l; |
| diff += (timer.tv_usec - now.tv_usec) / 1000l; |
| #endif |
| |
| if(diff < 0) |
| return 0l; |
| |
| return diff; |
| } |
| |
| timeout_t TimerPort::getElapsed(void) const |
| { |
| #ifdef HAVE_HIRES_TIMER |
| struct timespec now; |
| #else |
| struct timeval now; |
| #endif |
| long diff; |
| |
| if(!active) |
| return TIMEOUT_INF; |
| |
| #ifdef HAVE_HIRES_TIMER |
| #if defined(CLOCK_MONOTONIC) && defined(USE_MONOTONIC_TIMER) |
| ::clock_gettime(CLOCK_MONOTONIC, &now); |
| #else |
| ::clock_gettime(CLOCK_REALTIME, &now); |
| #endif |
| diff = (now.tv_sec - timer.tv_sec) * 1000l; |
| diff += ((now.tv_nsec / 1000l) - timer.tv_usec) / 1000l; |
| #else |
| SysTime::getTimeOfDay(&now); |
| diff = (now.tv_sec -timer.tv_sec) * 1000l; |
| diff += (now.tv_usec - timer.tv_usec) / 1000l; |
| #endif |
| if(diff < 0) |
| return 0; |
| return diff; |
| } |
| #else // WIN32 |
| TimerPort::TimerPort() |
| { |
| active = false; |
| timer = GetTickCount(); |
| } |
| |
| void TimerPort::setTimer(timeout_t timeout) |
| { |
| timer = GetTickCount(); |
| active = false; |
| if(timeout) |
| incTimer(timeout); |
| } |
| |
| void TimerPort::incTimer(timeout_t timeout) |
| { |
| timer += timeout; |
| active = true; |
| } |
| |
| void TimerPort::decTimer(timeout_t timeout) |
| { |
| timer -= timeout; |
| active = true; |
| } |
| |
| void TimerPort::sleepTimer(void) |
| { |
| timeout_t remaining = getTimer(); |
| if(remaining && remaining != TIMEOUT_INF) |
| Thread::sleep(remaining); |
| } |
| |
| void TimerPort::endTimer(void) |
| { |
| active = false; |
| } |
| |
| timeout_t TimerPort::getTimer(void) const |
| { |
| DWORD now; |
| long diff; |
| |
| if(!active) |
| return TIMEOUT_INF; |
| |
| now = GetTickCount(); |
| diff = timer - now; |
| |
| if(diff < 0) |
| return 0l; |
| |
| return diff; |
| } |
| |
| timeout_t TimerPort::getElapsed(void) const |
| { |
| DWORD now; |
| long diff; |
| |
| if(!active) |
| return TIMEOUT_INF; |
| |
| now = GetTickCount(); |
| diff = now - timer; |
| |
| if(diff < 0) |
| return 0l; |
| |
| return diff; |
| } |
| #endif |
| |
| #ifdef CCXX_NAMESPACES |
| } |
| #endif |
| |
| /** EMACS ** |
| * Local variables: |
| * mode: c++ |
| * c-basic-offset: 4 |
| * End: |
| */ |