mirror of
https://github.com/apache/nuttx.git
synced 2026-09-30 11:03:53 +00:00
f39b15d28b
Implements the pthread_sigqueue Linux extension to pthreads. Follows a similar implementation to sigqueue, except targeting a specific thread through nxsig_dispatch. Signed-off-by: Matteo Golin <matteo.golin@gmail.com>
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/****************************************************************************
|
|
* sched/pthread/pthread_sigqueue.c
|
|
*
|
|
* SPDX-License-Identifer: Apache-2.0
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <errno.h>
|
|
#include <nuttx/debug.h>
|
|
#include <pthread.h>
|
|
#include <signal.h>
|
|
|
|
#include <nuttx/signal.h>
|
|
|
|
#include "sched/sched.h"
|
|
#include "signal/signal.h"
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
int pthread_sigqueue(pthread_t thread, int sig, const union sigval value)
|
|
{
|
|
#ifdef CONFIG_SCHED_HAVE_PARENT
|
|
FAR struct tcb_s *rtcb = this_task();
|
|
#endif
|
|
siginfo_t info;
|
|
int err;
|
|
|
|
sinfo("tid=%d sig=%d value=%d\n", thread, sig, value.sival_int);
|
|
|
|
/* Check if signal is valid */
|
|
|
|
if (!GOOD_SIGNO(sig))
|
|
{
|
|
return EINVAL;
|
|
}
|
|
|
|
/* Create the siginfo structure */
|
|
|
|
info.si_signo = sig;
|
|
info.si_code = SI_QUEUE;
|
|
info.si_errno = OK;
|
|
info.si_value = value;
|
|
#ifdef CONFIG_SCHED_HAVE_PARENT
|
|
info.si_pid = rtcb->pid;
|
|
info.si_status = OK;
|
|
#endif
|
|
info.si_user = NULL; /* Will be set in sig_dispatch.c */
|
|
|
|
/* Send the signal */
|
|
|
|
err = nxsig_dispatch((pid_t)thread, &info, true);
|
|
if (err < 0)
|
|
{
|
|
return -err;
|
|
}
|
|
|
|
return 0;
|
|
}
|