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author | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
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committer | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
commit | 8a365179eafdf3aea98e60ab9f5882b200d4c759 (patch) | |
tree | 4f38d6d4cd80bd0b6e22e2bb534c3f117ce44e56 /nuttx/sched/pthread_kill.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/pthread_kill.c')
-rw-r--r-- | nuttx/sched/pthread_kill.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/nuttx/sched/pthread_kill.c b/nuttx/sched/pthread_kill.c new file mode 100644 index 000000000..5a1506c0c --- /dev/null +++ b/nuttx/sched/pthread_kill.c @@ -0,0 +1,95 @@ +/************************************************************************ + * sched/pthread_kill.c + * + * Copyright (C) 2007, 2009, 2011 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 <sys/types.h> +#include <signal.h> +#include <pthread.h> +#include <errno.h> +#include <debug.h> + +/************************************************************************ + * Global Functions + ************************************************************************/ + +/************************************************************************ + * Name: pthread_kill + * + * Description: + * The pthread_kill() system call can be used to send any signal to a + * thread. See kill() for further information as this is just a simple + * wrapper around the kill() function. + * + * Parameters: + * thread - The id of the thread to receive the signal. Only positive, + * non-zero values of 'thread' are supported. + * signo - The signal number to send. If 'signo' is zero, no signal is + * sent, but all error checking is performed. + * + * Return Value: + * On success the signal was send and zero is returned. On error one + * of the following error numbers is returned. + * + * EINVAL An invalid signal was specified. + * EPERM The thread does not have permission to send the + * signal to the target thread. + * ESRCH No thread could be found corresponding to that + * specified by the given thread ID + * ENOSYS Do not support sending signals to process groups. + * + * Assumptions: + * + ************************************************************************/ + +int pthread_kill(pthread_t thread, int signo) +{ + int ret; + + set_errno(EINVAL); + ret = kill((pid_t)thread, signo); + if (ret != OK) + { + ret = get_errno(); + } + + return ret; +} + + |