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Diffstat (limited to 'nuttx/sched/timer_gettime.c')
-rw-r--r-- | nuttx/sched/timer_gettime.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/nuttx/sched/timer_gettime.c b/nuttx/sched/timer_gettime.c deleted file mode 100644 index 7598dbec5..000000000 --- a/nuttx/sched/timer_gettime.c +++ /dev/null @@ -1,123 +0,0 @@ -/******************************************************************************** - * timer_gettime.c - * - * Copyright (C) 2007 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ********************************************************************************/ - -/******************************************************************************** - * Included Files - ********************************************************************************/ - -#include <nuttx/config.h> - -#include <time.h> -#include <errno.h> - -#include "clock_internal.h" -#include "timer_internal.h" - -#ifndef CONFIG_DISABLE_POSIX_TIMERS - -/******************************************************************************** - * Definitions - ********************************************************************************/ - -/******************************************************************************** - * Private Data - ********************************************************************************/ - -/******************************************************************************** - * Public Data - ********************************************************************************/ - -/******************************************************************************** - * Private Functions - ********************************************************************************/ - -/******************************************************************************** - * Public Functions - ********************************************************************************/ - -/******************************************************************************** - * Name: timer_gettime - * - * Description: - * The timer_gettime() function will store the amount of time until the - * specified timer, timerid, expires and the reload value of the timer into the - * space pointed to by the value argument. The it_value member of this structure - * will contain the amount of time before the timer expires, or zero if the timer - * is disarmed. This value is returned as the interval until timer expiration, - * even if the timer was armed with absolute time. The it_interval member of - * value will contain the reload value last set by timer_settime(). - * - * Parameters: - * timerid - The pre-thread timer, previously created by the call to - * timer_create(), whose remaining time count will be returned.. - * - * Return Value: - * If the timer_gettime() succeeds, a value of 0 (OK) will be returned. - * If an error occurs, the value -1 (ERROR) will be returned, and errno set to - * indicate the error. - * - * EINVAL - The timerid argument does not correspond to an ID returned by - * timer_create() but not yet deleted by timer_delete(). - * - * Assumptions/Limitations: - * Due to the asynchronous operation of this function, the time reported - * by this function could be significantly more than that actual time - * remaining on the timer at any time. - * - ********************************************************************************/ - -int timer_gettime(timer_t timerid, FAR struct itimerspec *value) -{ - FAR struct posix_timer_s *timer = (FAR struct posix_timer_s *)timerid; - int ticks; - - if (!timer || !value) - { - set_errno(EINVAL); - return ERROR; - } - - /* Get the number of ticks before the underlying watchdog expires */ - - ticks = wd_gettime(timer->pt_wdog); - - /* Convert that to a struct timespec and return it */ - - (void)clock_ticks2time(ticks, &value->it_value); - (void)clock_ticks2time(timer->pt_last, &value->it_interval); - return OK; -} - -#endif /* CONFIG_DISABLE_POSIX_TIMERS */ |