/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as * applicable. * * Licensed 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. */#include "apr_arch_threadproc.h"#include <nks/thread.h>#include "apr_private.h"#include "apr_pools.h"#include "apr_signal.h"#include "apr_strings.h"#include <assert.h>#if APR_HAS_THREADS && APR_HAVE_PTHREAD_H#include <pthread.h>#endifAPR_DECLARE(apr_status_t) apr_proc_kill(apr_proc_t *proc, int signum){    return APR_ENOTIMPL;}void apr_signal_init(apr_pool_t *pglobal){}const char *apr_signal_description_get(int signum){    switch (signum)    {    case SIGABRT:        return "Abort";    case SIGFPE:        return "Arithmetic exception";    case SIGILL:        return "Illegal instruction";    case SIGINT:        return "Interrupt";    case SIGSEGV:        return "Segmentation fault";    case SIGTERM:        return "Terminated";    case SIGPOLL:        return "Pollable event occurred";    default:        return "unknown signal (not supported)";    }}static void *signal_thread_func(void *signal_handler){    return NULL;}APR_DECLARE(apr_status_t) apr_setup_signal_thread(void){    int rv = 0;    return rv;}APR_DECLARE(apr_status_t) apr_signal_block(int signum){    return APR_ENOTIMPL;}APR_DECLARE(apr_status_t) apr_signal_unblock(int signum){    return APR_ENOTIMPL;}