******************************************************************  * Copyright (c) 2002, Intel Corporation. All rights reserved. * Created by:  julie.n.fleischer REMOVE-THIS AT intel DOT com * This file is licensed under the GPL license.  For the full content * of this license, see the COPYING file at the top level of this * source tree.         Addapted by J. Vidal <jvidal@disca.upv.es> to RTLinux 10-12-02. ******************************************************************TEST: 1-1.c * Test that timer_gettime() sets sets itimerspec.it_value to the * amount of time remaining. * - Create and arm a timer. * - Call timer_gettime(). * - Ensure the value returned is within ACCEPTABLEDELTA less than *   the value set. * * Signal SIGCONT will be used so that it will not affect the test if * the timer expires. * Clock CLOCK_REALTIME will be used.******************************************************************TEST: 1-2.c * Test that timer_gettime() sets sets itimerspec.it_value to the * amount of time remaining in the middle of a timer. * - Create and arm a timer for TIMERSEC seconds. * - Sleep for SLEEPSEC < TIMERSEC. * - Call timer_gettime(). * - Ensure the value returned is within ACCEPTABLEDELTA less than *   TIMERSEC-SLEEPSEC. * * Signal SIGCONT will be used so that it will not affect the test if * the timer expires. * Clock CLOCK_REALTIME will be used.******************************************************************TEST: 1-3.c * Test that timer_gettime() sets sets itimerspec.it_value to the * amount of time remaining in the middle of a timer. * - Create and arm a timer for TIMERNSEC nanoseconds. * - Sleep for SLEEPNSEC < TIMERNSEC. * - Call timer_gettime(). * - Ensure the value returned is within ACCEPTABLEDELTA less than *   TIMERNSEC-SLEEPNSEC. * * Signal SIGCONT will be used so that it will not affect the test if * the timer expires. * Clock CLOCK_REALTIME will be used.	 * Algorithm for determining success:	 * - itsget must be < itsset	 * - itsset-itsget nsec must be <= ACCEPTABLEDELTA******************************************************************TEST: 1-4.c * Test that timer_gettime() sets itimerspec.it_value to the amount of * time remaining after it has expired once and is reloaded.  Also * test that timer_gettime() sets itimerspec.it_interval to the * interval remaining. * - Create and arm a timer for TIMERVALSEC seconds with interval *   TIMERINTERVALSEC seconds. * - Sleep for SLEEPSEC > TIMERVALSEC, but < TIMERINTERVAL seconds * - Call timer_gettime(). * - Ensure the value returned is within ACCEPTABLEDELTA less than *   TIMERINTERVALSEC - (SLEEPSEC-TIMERVALSEC). * - Ensure that interval TIMERINTERVALSEC is returned. * * Signal SIGCONT will be used so that it will not affect the test if * the timer expires. * Clock CLOCK_REALTIME will be used.	 * Check interval first	 * Check value next	 * value should be < TIMERINTERVALSEC - (SLEEPSEC-TIMERVALSEC)******************************************************************TEST: 2-1.c * * Test that timer_gettime() sets itimerspec.it_value = 0 if the timer * was previously disarmed because it had just been created. * * For this test, signal SIGCONT will be used so that the test will * not abort.  Clock CLOCK_REALTIME will be used.******************************************************************TEST: 2-2.c * * Test that timer_gettime() sets itimerspec.it_value = 0 if  * the timer was previously disarmed because it had just expired with * no repeating interval. * * For this test, signal SIGCONT will be used so that the test will * not abort.  Clock CLOCK_REALTIME will be used.	 * set up timer that will expire	 * let timer expire (just call sleep())******************************************************************TEST: 3-1.c * Test that timer_gettime() returns a relative amount even on * absolute timers. * - Create and arm an absolute timer. * - Call timer_gettime() * - Ensure the value returned is within ACCEPTABLEDELTA less than *   the value set.  If it is, the values returned were indeed relative. * * Signal SIGCONT will be used so that it will not affect the test if * the timer expires. * Clock CLOCK_REALTIME will be used.******************************************************************TEST: 6-1.c * * Test that timer_gettime() sets errno = EINVAL if no timers have been * created yet and it is called with a bogus timer ID.******************************************************************TEST: 6-2.c * * Test that timer_gettime() sets errno = EINVAL timerid != a timer ID * created via timer_create().  [Try to set timerid to a timer ID * created + 1.] * * For this test, signal SIGCONT will be used, clock CLOCK_REALTIME * will be used.