diff options
author | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
---|---|---|
committer | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
commit | 8a365179eafdf3aea98e60ab9f5882b200d4c759 (patch) | |
tree | 4f38d6d4cd80bd0b6e22e2bb534c3f117ce44e56 /nuttx/sched/timer_delete.c | |
download | px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.gz px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.bz2 px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.zip |
Fresh import of the PX4 firmware sources.
Diffstat (limited to 'nuttx/sched/timer_delete.c')
-rw-r--r-- | nuttx/sched/timer_delete.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/nuttx/sched/timer_delete.c b/nuttx/sched/timer_delete.c new file mode 100644 index 000000000..c497c414e --- /dev/null +++ b/nuttx/sched/timer_delete.c @@ -0,0 +1,106 @@ +/******************************************************************************** + * timer_delete.c + * + * Copyright (C) 2007, 2008 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 "timer_internal.h" + +#ifndef CONFIG_DISABLE_POSIX_TIMERS + +/******************************************************************************** + * Definitions + ********************************************************************************/ + +/******************************************************************************** + * Private Data + ********************************************************************************/ + +/******************************************************************************** + * Public Data + ********************************************************************************/ + +/******************************************************************************** + * Private Functions + ********************************************************************************/ + +/******************************************************************************** + * Public Functions + ********************************************************************************/ + +/******************************************************************************** + * Name: timer_delete + * + * Description: + * The timer_delete() function deletes the specified timer, timerid, previously + * created by the timer_create() function. If the timer is armed when + * timer_delete() is called, the timer will be automatically disarmed before + * removal. The disposition of pending signals for the deleted timer is + * unspecified. + * + * Parameters: + * timerid - The per-thread timer, previously created by the call to + * timer_create(), to be deleted. + * + * Return Value: + * If the call succeeds, timer_create() will return 0 (OK). Otherwise, the + * function will return a value of -1 (ERROR) and set errno to indicate the + * error. + * + * EINVAL - The timer specified timerid is not valid. + * + * Assumptions: + * + ********************************************************************************/ + +int timer_delete(timer_t timerid) +{ + int ret = timer_release((FAR struct posix_timer_s *)timerid); + if (ret < 0) + { + set_errno(-ret); + return ERROR; + } + + return OK; +} + +#endif /* CONFIG_DISABLE_POSIX_TIMERS */ |