static void drcomd_daemon(struct drcom_handle *h)
{
int s;
int r;
s = init_daemon_socket();
if(s < 0)
exit(-1);
if(setup_sig_handlers()<0){
logerr("sig handlers not setup, exit.\n");
exit(1);
}
loginfo("drcomd %s started.\n", DRCOM_VERSION);
while (1) {
int maxfd;
fd_set readfds;
FD_ZERO(&readfds);
FD_SET(s, &readfds);
FD_SET(sigusr1_pipe[READ_END], &readfds);
maxfd = s;
if(maxfd < sigusr1_pipe[READ_END])
maxfd = sigusr1_pipe[READ_END];
unblock_sigusr1();
r = select(maxfd+1, &readfds, NULL,NULL, NULL);
if(r<0){
if(errno != EINTR)
logerr("signal caught\n");
continue;
}
if(FD_ISSET(sigusr1_pipe[READ_END], &readfds)){
char buf[256];
int *sig = (int*)buf;
read(sigusr1_pipe[READ_END], &buf, sizeof(buf));
do_signals(h, *sig);
}
if(!FD_ISSET(s, &readfds))
continue;
block_sigusr1();
do_one_client(s, h);
}
/* FIXME:
* drcom_clean_up();
* drcom_destroy_handle();
* close_daemon_socket();
*/
}
void Scheduler::int_sig()
{
//收到中断信号，如果当前正在Scheduler中则不做处理
if(p_curcontext == NULL || p_curcontext == &ucontext)
return;
printf("%d\n",&(*p_curcontext));
//否则，将上下文切换回Scheduler
swapcontext(p_curcontext,&Scheduler::ucontext);
//回到coroutine，开启动SIGUSR1
unblock_sigusr1();
printf("i'm come back %d\n",&(*p_curcontext));
}
void Scheduler::sleep(uthread_id utid,int t)
{
if(utid == INVAID_ID)
return;
assert(threads[utid]);
time_t now = time(NULL);
now += t;
printf("wake up time %u\n",now);
//插入到sleep列表中
sleepList.push_back(std::make_pair(threads[utid],now));
//保存当前上下文切换回scheduler
threads[utid]->SetStatus(SLEEP);
ucontext_t &cur_context = threads[utid]->GetContext();
swapcontext(&cur_context,&Scheduler::ucontext);
//回到coroutine，开启动SIGUSR1
unblock_sigusr1();
}
void delete_per_thread_struct(void *arg)
{
#ifdef MQ_HEART_BEAT
block_sigusr1();
pthread_setspecific(g_msg_que_key,NULL);
pts_t pts = (pts_t)arg;
//从heart_beat中移除
hb_t hb = get_heart_beat();
mutex_lock(hb->mtx);
dlist_remove(&pts->hnode);
mutex_unlock(hb->mtx);
free(pts);
unblock_sigusr1();
#else
pthread_setspecific(g_msg_que_key,NULL);
free(arg);
#endif
#ifdef _DEBUG
printf("delete_per_thread_struct\n");
#endif
}
void delete_per_thread_que(void *arg)
{
#ifdef MQ_HEART_BEAT
block_sigusr1();
#endif
ptq_t ptq = (ptq_t)arg;
if(ptq->mode == MSGQ_WRITE){
dlist_remove(&ptq->write_que.pnode);
}
//销毁local_que中所有消息
lnode *n;
if(ptq->destroy_function){
while((n = LLIST_POP(lnode*,&ptq->local_que))!=NULL)
ptq->destroy_function((void*)n);
}
condition_destroy(&ptq->cond);
ref_decrease(&ptq->que->refbase);
free(ptq);
#ifdef MQ_HEART_BEAT
unblock_sigusr1();
#endif
printf("delete_per_thread_que\n");
}
