Exemple #1
0
isc_result_t
isc__nothread_wait_hack(isc_condition_t *cp, isc_mutex_t *mp) {
	isc_result_t result;

	UNUSED(cp);
	UNUSED(mp);

	INSIST(!in_recursive_evloop);
	in_recursive_evloop = ISC_TRUE;

	INSIST(*mp == 1); /* Mutex must be locked on entry. */
	--*mp;

	result = evloop(&isc_g_appctx);
	if (result == ISC_R_RELOAD)
		isc_g_appctx.want_reload = ISC_TRUE;
	if (signalled) {
		isc_g_appctx.want_shutdown = ISC_FALSE;
		signalled = ISC_FALSE;
	}

	++*mp;
	in_recursive_evloop = ISC_FALSE;
	return (ISC_R_SUCCESS);
}
Exemple #2
0
static void *event_loop(void *arg)
{
	net_client_t *nc = (net_client_t *)arg;

	evloop(nc->epfd,&nc->endgame);
	return NULL;
}
Exemple #3
0
static void *event_loop(void *arg)
{
	net_client_t *nc = (net_client_t *)arg;
    log_error(nc->log,"nc evloop thread id:%ld!",syscall(SYS_gettid));

	evloop(NULL,nc->epfd,&nc->endgame);
	return NULL;
}
Exemple #4
0
int
main(int argc,char *argv[])
{
	assert(argc >=3);
	rain_loger_init();
	rain_ctx_init(154);
	char *dir = malloc(1024);
	getcwd(dir,1024);
	strcat(dir,"/routine/");
	//printf("dir:%s %s %s %s\n",dir,argv[0],argv[1],argv[2]);
	rain_module_init(dir);
	free(dir);
	rain_timer_init();
	rain_rpc_init();
	rain_lifequeue_int();
	sig_init();
	rain_ctx_t * ctx = rain_ctx_new(0,argv[1],argv[2]);
	if(ctx == NULL){
		exit(-1);
	}
	//routine_t rid  = rain_ctx_getid(ctx);
	int len = 4;
	pthread_t threads[len];
	int i;
	for(i=0; i<len; i++){
		pthread_create(&threads[i],NULL,worker,NULL);
	}
	evloop(NULL);
	/*
	pthread_t thread_ev;
	pthread_create(&thread_ev,NULL,evloop,NULL);

	for(i=0; i<len; i++){
		pthread_join(threads[i],NULL);
	}
	pthread_join(thread_ev,NULL);*/
	exit(0);
}
Exemple #5
0
ISC_APPFUNC_SCOPE isc_result_t
isc__app_ctxrun(isc_appctx_t *ctx0) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
	int result;
	isc_event_t *event, *next_event;
	isc_task_t *task;
#ifdef USE_THREADS_SINGLECTX
	sigset_t sset;
	char strbuf[ISC_STRERRORSIZE];
#ifdef HAVE_SIGWAIT
	int sig;
#endif
#endif /* USE_THREADS_SINGLECTX */

	REQUIRE(VALID_APPCTX(ctx));

#ifdef HAVE_LINUXTHREADS
	REQUIRE(main_thread == pthread_self());
#endif

	LOCK(&ctx->lock);

	if (!ctx->running) {
		ctx->running = ISC_TRUE;

		/*
		 * Post any on-run events (in FIFO order).
		 */
		for (event = ISC_LIST_HEAD(ctx->on_run);
		     event != NULL;
		     event = next_event) {
			next_event = ISC_LIST_NEXT(event, ev_link);
			ISC_LIST_UNLINK(ctx->on_run, event, ev_link);
			task = event->ev_sender;
			event->ev_sender = NULL;
			isc_task_sendanddetach(&task, &event);
		}

	}

	UNLOCK(&ctx->lock);

#ifndef HAVE_SIGWAIT
	/*
	 * Catch SIGHUP.
	 *
	 * We do this here to ensure that the signal handler is installed
	 * (i.e. that it wasn't a "one-shot" handler).
	 */
	if (ctx == &isc_g_appctx) {
		result = handle_signal(SIGHUP, reload_action);
		if (result != ISC_R_SUCCESS)
			return (ISC_R_SUCCESS);
	}
#endif

#ifdef USE_THREADS_SINGLECTX
	/*
	 * When we are using multiple contexts, we don't rely on signals.
	 */
	if (ctx != &isc_g_appctx)
		return (ISC_R_SUCCESS);

	/*
	 * There is no danger if isc_app_shutdown() is called before we wait
	 * for signals.  Signals are blocked, so any such signal will simply
	 * be made pending and we will get it when we call sigwait().
	 */

	while (!ctx->want_shutdown) {
#ifdef HAVE_SIGWAIT
		/*
		 * Wait for SIGHUP, SIGINT, or SIGTERM.
		 */
		if (sigemptyset(&sset) != 0 ||
		    sigaddset(&sset, SIGHUP) != 0 ||
		    sigaddset(&sset, SIGINT) != 0 ||
		    sigaddset(&sset, SIGTERM) != 0) {
			isc__strerror(errno, strbuf, sizeof(strbuf));
			UNEXPECTED_ERROR(__FILE__, __LINE__,
					 "isc_app_run() sigsetops: %s", strbuf);
			return (ISC_R_UNEXPECTED);
		}

#ifndef HAVE_UNIXWARE_SIGWAIT
		result = sigwait(&sset, &sig);
		if (result == 0) {
			if (sig == SIGINT || sig == SIGTERM)
				ctx->want_shutdown = ISC_TRUE;
			else if (sig == SIGHUP)
				ctx->want_reload = ISC_TRUE;
		}

#else /* Using UnixWare sigwait semantics. */
		sig = sigwait(&sset);
		if (sig >= 0) {
			if (sig == SIGINT || sig == SIGTERM)
				ctx->want_shutdown = ISC_TRUE;
			else if (sig == SIGHUP)
				ctx->want_reload = ISC_TRUE;
		}

#endif /* HAVE_UNIXWARE_SIGWAIT */
#else  /* Don't have sigwait(). */
		/*
		 * Listen for all signals.
		 */
		if (sigemptyset(&sset) != 0) {
			isc__strerror(errno, strbuf, sizeof(strbuf));
			UNEXPECTED_ERROR(__FILE__, __LINE__,
					 "isc_app_run() sigsetops: %s",
					 strbuf);
			return (ISC_R_UNEXPECTED);
		}
		result = sigsuspend(&sset);
#endif /* HAVE_SIGWAIT */

		if (ctx->want_reload) {
			ctx->want_reload = ISC_FALSE;
			return (ISC_R_RELOAD);
		}

		if (ctx->want_shutdown && ctx->blocked)
			exit(1);
	}

#else /* USE_THREADS_SINGLECTX */

	(void)isc__taskmgr_dispatch(ctx->taskmgr);

	result = evloop(ctx);
	if (result != ISC_R_SUCCESS)
		return (result);

#endif /* USE_THREADS_SINGLECTX */

	return (ISC_R_SUCCESS);
}
Exemple #6
0
isc_result_t
isc__app_ctxrun(isc_appctx_t *ctx0) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
	int result;
	isc_event_t *event, *next_event;
	isc_task_t *task;
#ifdef ISC_PLATFORM_USETHREADS
	sigset_t sset;
	char strbuf[ISC_STRERRORSIZE];
#ifdef HAVE_SIGWAIT
	int sig;
#endif /* HAVE_SIGWAIT */
#endif /* ISC_PLATFORM_USETHREADS */

	REQUIRE(VALID_APPCTX(ctx));

#ifdef HAVE_LINUXTHREADS
	REQUIRE(main_thread == pthread_self());
#endif

	LOCK(&ctx->lock);

	if (!ctx->running) {
		ctx->running = ISC_TRUE;

		/*
		 * Post any on-run events (in FIFO order).
		 */
		for (event = ISC_LIST_HEAD(ctx->on_run);
		     event != NULL;
		     event = next_event) {
			next_event = ISC_LIST_NEXT(event, ev_link);
			ISC_LIST_UNLINK(ctx->on_run, event, ev_link);
			task = event->ev_sender;
			event->ev_sender = NULL;
			isc_task_sendanddetach(&task, &event);
		}

	}

	UNLOCK(&ctx->lock);

#ifndef ISC_PLATFORM_USETHREADS
	if (isc_bind9 && ctx == &isc_g_appctx) {
		result = handle_signal(SIGHUP, reload_action);
		if (result != ISC_R_SUCCESS)
			return (ISC_R_SUCCESS);
	}

	(void) isc__taskmgr_dispatch(ctx->taskmgr);
	result = evloop(ctx);
	return (result);
#else /* ISC_PLATFORM_USETHREADS */
	/*
	 * BIND9 internal tools using multiple contexts do not
	 * rely on signal.
	 */
	if (isc_bind9 && ctx != &isc_g_appctx)
		return (ISC_R_SUCCESS);

	/*
	 * There is no danger if isc_app_shutdown() is called before we
	 * wait for signals.  Signals are blocked, so any such signal will
	 * simply be made pending and we will get it when we call
	 * sigwait().
	 */
	while (!ctx->want_shutdown) {
#ifdef HAVE_SIGWAIT
		if (isc_bind9) {
			/*
			 * BIND9 internal; single context:
			 * Wait for SIGHUP, SIGINT, or SIGTERM.
			 */
			if (sigemptyset(&sset) != 0 ||
			    sigaddset(&sset, SIGHUP) != 0 ||
			    sigaddset(&sset, SIGINT) != 0 ||
			    sigaddset(&sset, SIGTERM) != 0) {
				isc__strerror(errno, strbuf, sizeof(strbuf));
				UNEXPECTED_ERROR(__FILE__, __LINE__,
						 "isc_app_run() sigsetops: %s",
						 strbuf);
				return (ISC_R_UNEXPECTED);
			}

#ifndef HAVE_UNIXWARE_SIGWAIT
			result = sigwait(&sset, &sig);
			if (result == 0) {
				if (sig == SIGINT || sig == SIGTERM)
					ctx->want_shutdown = ISC_TRUE;
				else if (sig == SIGHUP)
					ctx->want_reload = ISC_TRUE;
			}

#else /* Using UnixWare sigwait semantics. */
			sig = sigwait(&sset);
			if (sig >= 0) {
				if (sig == SIGINT || sig == SIGTERM)
					ctx->want_shutdown = ISC_TRUE;
				else if (sig == SIGHUP)
					ctx->want_reload = ISC_TRUE;
			}
#endif /* HAVE_UNIXWARE_SIGWAIT */
		} else {
			/*
			 * External, or BIND9 using multiple contexts:
			 * wait until woken up.
			 */
			LOCK(&ctx->readylock);
			if (ctx->want_shutdown) {
				/* shutdown() won the race. */
				UNLOCK(&ctx->readylock);
				break;
			}
			if (!ctx->want_reload)
				WAIT(&ctx->ready, &ctx->readylock);
			UNLOCK(&ctx->readylock);
		}
#else  /* Don't have sigwait(). */
		if (isc_bind9) {
			/*
			 * BIND9 internal; single context:
			 * Install a signal handler for SIGHUP, then wait for
			 * all signals.
			 */
			result = handle_signal(SIGHUP, reload_action);
			if (result != ISC_R_SUCCESS)
				return (ISC_R_SUCCESS);

			if (sigemptyset(&sset) != 0) {
				isc__strerror(errno, strbuf, sizeof(strbuf));
				UNEXPECTED_ERROR(__FILE__, __LINE__,
						 "isc_app_run() sigsetops: %s",
						 strbuf);
				return (ISC_R_UNEXPECTED);
			}
#ifdef HAVE_GPERFTOOLS_PROFILER
			if (sigaddset(&sset, SIGALRM) != 0) {
				isc__strerror(errno, strbuf, sizeof(strbuf));
				UNEXPECTED_ERROR(__FILE__, __LINE__,
						 "isc_app_run() sigsetops: %s",
						 strbuf);
				return (ISC_R_UNEXPECTED);
			}
#endif
			result = sigsuspend(&sset);
		} else {
			/*
			 * External, or BIND9 using multiple contexts:
			 * wait until woken up.
			 */
			LOCK(&ctx->readylock);
			if (ctx->want_shutdown) {
				/* shutdown() won the race. */
				UNLOCK(&ctx->readylock);
				break;
			}
			if (!ctx->want_reload)
				WAIT(&ctx->ready, &ctx->readylock);
			UNLOCK(&ctx->readylock);
		}
#endif /* HAVE_SIGWAIT */

		if (ctx->want_reload) {
			ctx->want_reload = ISC_FALSE;
			return (ISC_R_RELOAD);
		}

		if (ctx->want_shutdown && ctx->blocked)
			exit(1);
	}

	return (ISC_R_SUCCESS);
#endif /* ISC_PLATFORM_USETHREADS */
}