| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/iPerf/compat/ Datei vom 30.0.2026 mit Größe 3 kB |
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Quelle delay.cpp Sprache: C |
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/*---------------------------------------------------------------
* Copyright (c) 1999,2000,2001,2002,2003 * The Board of Trustees of the University of Illinois * All Rights Reserved. *--------------------------------------------------------------- * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software (Iperf) and associated * documentation files (the "Software"), to deal in the Software * without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit * persons to whom the Software is furnished to do * so, subject to the following conditions: * * * Redistributions of source code must retain the above * copyright notice, this list of conditions and * the following disclaimers. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimers in the documentation and/or other materials * provided with the distribution. * * * Neither the names of the University of Illinois, NCSA, * nor the names of its contributors may be used to endorse * or promote products derived from this Software without * specific prior written permission. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * ________________________________________________________________ * National Laboratory for Applied Network Research * National Center for Supercomputing Applications * University of Illinois at Urbana-Champaign * http://www.ncsa.uiuc.edu * ________________________________________________________________ * * delay.c * by Mark Gates <mgates@nlanr.net> * ------------------------------------------------------------------- * accurate microsecond delay * ------------------------------------------------------------------- */ #include "Timestamp.hpp" #include "util.h" #include "delay.hpp" /* ------------------------------------------------------------------- * A micro-second delay function using POSIX nanosleep(). This allows a * higher timing resolution (under Linux e.g. it uses hrtimers), does not * affect any signals, and will use up remaining time when interrupted. * ------------------------------------------------------------------- */ void delay_loop(unsigned long usec) { struct timespec requested, remaining; requested.tv_sec = 0; requested.tv_nsec = usec * 1000L; while (nanosleep(&requested, &remaining) == -1) if (errno == EINTR) requested = remaining; else { WARN_errno(1, "nanosleep"); break; } } ¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28