| /**************************************************************************** |
| * 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; |
| } |