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/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <config.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <isc/app.h>
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#include <isc/magic.h>
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#include <isc/mutex.h>
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#include <isc/once.h>
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#include <isc/util.h>
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static isc_mutex_t createlock;
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static isc_once_t once = ISC_ONCE_INIT;
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static isc_appctxcreatefunc_t appctx_createfunc = NULL;
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static isc_mutex_t runninglock;
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static bool is_running = false;
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#define ISCAPI_APPMETHODS_VALID(m) ISC_MAGIC_VALID(m, ISCAPI_APPMETHODS_MAGIC)
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static void
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initialize(void) {
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RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS);
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RUNTIME_CHECK(isc_mutex_init(&runninglock) == ISC_R_SUCCESS);
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}
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isc_result_t
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isc_app_register(isc_appctxcreatefunc_t createfunc) {
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isc_result_t result = ISC_R_SUCCESS;
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RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
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LOCK(&createlock);
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if (appctx_createfunc == NULL)
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appctx_createfunc = createfunc;
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else
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result = ISC_R_EXISTS;
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UNLOCK(&createlock);
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return (result);
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}
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isc_result_t
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isc_appctx_create(isc_mem_t *mctx, isc_appctx_t **ctxp) {
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isc_result_t result;
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if (isc_bind9)
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return (isc__appctx_create(mctx, ctxp));
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LOCK(&createlock);
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REQUIRE(appctx_createfunc != NULL);
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result = (*appctx_createfunc)(mctx, ctxp);
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UNLOCK(&createlock);
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return (result);
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}
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void
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isc_appctx_destroy(isc_appctx_t **ctxp) {
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REQUIRE(ctxp != NULL && ISCAPI_APPCTX_VALID(*ctxp));
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if (isc_bind9)
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isc__appctx_destroy(ctxp);
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else
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(*ctxp)->methods->ctxdestroy(ctxp);
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ENSURE(*ctxp == NULL);
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}
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isc_result_t
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isc_app_ctxstart(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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if (isc_bind9)
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return (isc__app_ctxstart(ctx));
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return (ctx->methods->ctxstart(ctx));
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}
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isc_result_t
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isc_app_ctxrun(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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if (isc_bind9)
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return (isc__app_ctxrun(ctx));
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return (ctx->methods->ctxrun(ctx));
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}
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isc_result_t
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isc_app_ctxonrun(isc_appctx_t *ctx, isc_mem_t *mctx,
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isc_task_t *task, isc_taskaction_t action,
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void *arg)
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{
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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if (isc_bind9)
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return (isc__app_ctxonrun(ctx, mctx, task, action, arg));
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return (ctx->methods->ctxonrun(ctx, mctx, task, action, arg));
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}
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isc_result_t
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isc_app_ctxsuspend(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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if (isc_bind9)
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return (isc__app_ctxsuspend(ctx));
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return (ctx->methods->ctxsuspend(ctx));
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}
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isc_result_t
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isc_app_ctxshutdown(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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if (isc_bind9)
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return (isc__app_ctxshutdown(ctx));
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return (ctx->methods->ctxshutdown(ctx));
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}
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void
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isc_app_ctxfinish(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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if (isc_bind9)
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isc__app_ctxfinish(ctx);
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ctx->methods->ctxfinish(ctx);
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}
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void
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isc_appctx_settaskmgr(isc_appctx_t *ctx, isc_taskmgr_t *taskmgr) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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REQUIRE(taskmgr != NULL);
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if (isc_bind9)
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isc__appctx_settaskmgr(ctx, taskmgr);
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ctx->methods->settaskmgr(ctx, taskmgr);
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}
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void
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isc_appctx_setsocketmgr(isc_appctx_t *ctx, isc_socketmgr_t *socketmgr) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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REQUIRE(socketmgr != NULL);
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if (isc_bind9)
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isc__appctx_setsocketmgr(ctx, socketmgr);
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ctx->methods->setsocketmgr(ctx, socketmgr);
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}
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void
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isc_appctx_settimermgr(isc_appctx_t *ctx, isc_timermgr_t *timermgr) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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REQUIRE(timermgr != NULL);
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if (isc_bind9)
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isc__appctx_settimermgr(ctx, timermgr);
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ctx->methods->settimermgr(ctx, timermgr);
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}
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isc_result_t
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isc_app_start(void) {
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if (isc_bind9)
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return (isc__app_start());
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return (ISC_R_NOTIMPLEMENTED);
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}
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isc_result_t
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isc_app_onrun(isc_mem_t *mctx, isc_task_t *task,
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isc_taskaction_t action, void *arg)
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{
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if (isc_bind9)
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return (isc__app_onrun(mctx, task, action, arg));
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return (ISC_R_NOTIMPLEMENTED);
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}
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isc_result_t
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isc_app_run() {
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if (isc_bind9) {
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isc_result_t result;
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RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
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LOCK(&runninglock);
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is_running = true;
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UNLOCK(&runninglock);
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result = isc__app_run();
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LOCK(&runninglock);
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is_running = false;
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UNLOCK(&runninglock);
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return (result);
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}
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return (ISC_R_NOTIMPLEMENTED);
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}
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bool
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isc_app_isrunning() {
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bool running;
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RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
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LOCK(&runninglock);
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running = is_running;
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UNLOCK(&runninglock);
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return (running);
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}
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isc_result_t
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isc_app_shutdown(void) {
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if (isc_bind9)
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return (isc__app_shutdown());
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return (ISC_R_NOTIMPLEMENTED);
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}
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isc_result_t
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isc_app_reload(void) {
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if (isc_bind9)
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return (isc__app_reload());
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return (ISC_R_NOTIMPLEMENTED);
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}
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void
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isc_app_finish(void) {
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if (!isc_bind9)
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return;
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isc__app_finish();
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}
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void
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isc_app_block(void) {
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if (!isc_bind9)
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return;
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isc__app_block();
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}
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void
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isc_app_unblock(void) {
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if (!isc_bind9)
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return;
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isc__app_unblock();
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}
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