85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/****************************************************************************
|
|
* sched/signal/sig_removependingsignal.c
|
|
*
|
|
* 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 <unistd.h>
|
|
#include <signal.h>
|
|
#include <time.h>
|
|
#include <assert.h>
|
|
#include <debug.h>
|
|
#include <sched.h>
|
|
|
|
#include <nuttx/irq.h>
|
|
#include <nuttx/arch.h>
|
|
#include <nuttx/wdog.h>
|
|
#include <nuttx/kmalloc.h>
|
|
|
|
#include "signal/signal.h"
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxsig_remove_pendingsignal
|
|
*
|
|
* Description:
|
|
* Remove the specified signal from the signal pending list
|
|
*
|
|
****************************************************************************/
|
|
|
|
FAR sigpendq_t *nxsig_remove_pendingsignal(FAR struct tcb_s *stcb, int signo)
|
|
{
|
|
FAR struct task_group_s *group = stcb->group;
|
|
FAR sigpendq_t *currsig;
|
|
FAR sigpendq_t *prevsig;
|
|
irqstate_t flags;
|
|
|
|
DEBUGASSERT(group);
|
|
|
|
flags = enter_critical_section();
|
|
|
|
for (prevsig = NULL,
|
|
currsig = (FAR sigpendq_t *)group->tg_sigpendingq.head;
|
|
(currsig && currsig->info.si_signo != signo);
|
|
prevsig = currsig, currsig = currsig->flink);
|
|
|
|
if (currsig)
|
|
{
|
|
if (prevsig)
|
|
{
|
|
sq_remafter((FAR sq_entry_t *)prevsig, &group->tg_sigpendingq);
|
|
}
|
|
else
|
|
{
|
|
sq_remfirst(&group->tg_sigpendingq);
|
|
}
|
|
}
|
|
|
|
leave_critical_section(flags);
|
|
|
|
return currsig;
|
|
}
|