valgrind: avoid complaints from plugin loading
[platform/upstream/libwebsockets.git] / lib / libuv.c
index e74e81d..fbb8c8d 100644 (file)
@@ -31,14 +31,50 @@ lws_feature_status_libuv(struct lws_context_creation_info *info)
 }
 
 static void
+lws_uv_idle(uv_idle_t *handle
+#if UV_VERSION_MAJOR == 0
+               , int status
+#endif
+)
+{
+       struct lws_context_per_thread *pt = lws_container_of(handle,
+                                       struct lws_context_per_thread, uv_idle);
+
+//     lwsl_debug("%s\n", __func__);
+
+       /*
+        * is there anybody with pending stuff that needs service forcing?
+        */
+       if (!lws_service_adjust_timeout(pt->context, 1, pt->tid)) {
+               /* -1 timeout means just do forced service */
+               _lws_plat_service_tsi(pt->context, -1, pt->tid);
+               /* still somebody left who wants forced service? */
+               if (!lws_service_adjust_timeout(pt->context, 1, pt->tid))
+                       /* yes... come back again later */
+//                     lwsl_debug("%s: done again\n", __func__);
+               return;
+       }
+
+       /* there is nobody who needs service forcing, shut down idle */
+       uv_idle_stop(handle);
+
+       //lwsl_debug("%s: done stop\n", __func__);
+}
+
+static void
 lws_io_cb(uv_poll_t *watcher, int status, int revents)
 {
-       struct lws_io_watcher *lws_io = container_of(watcher,
+       struct lws_io_watcher *lws_io = lws_container_of(watcher,
                                        struct lws_io_watcher, uv_watcher);
-       struct lws_context *context = lws_io->context;
+       struct lws *wsi = lws_container_of(lws_io, struct lws, w_read);
+       struct lws_context *context = wsi->context;
        struct lws_pollfd eventfd;
 
+#if defined(WIN32) || defined(_WIN32)
+       eventfd.fd = watcher->socket;
+#else
        eventfd.fd = watcher->io_watcher.fd;
+#endif
        eventfd.events = 0;
        eventfd.revents = 0;
 
@@ -63,12 +99,14 @@ lws_io_cb(uv_poll_t *watcher, int status, int revents)
                }
        }
        lws_service_fd(context, &eventfd);
+
+       uv_idle_start(&context->pt[(int)wsi->tsi].uv_idle, lws_uv_idle);
 }
 
 LWS_VISIBLE void
 lws_uv_sigint_cb(uv_signal_t *watcher, int signum)
 {
-       lwsl_info("internal signal handler caught signal %d\n", signum);
+       lwsl_err("internal signal handler caught signal %d\n", signum);
        lws_libuv_stop(watcher->data);
 }
 
@@ -86,43 +124,110 @@ lws_uv_sigint_cfg(struct lws_context *context, int use_uv_sigint,
 }
 
 static void
-lws_uv_timeout_cb(uv_timer_t *timer)
+lws_uv_timeout_cb(uv_timer_t *timer
+#if UV_VERSION_MAJOR == 0
+               , int status
+#endif
+)
 {
-       struct lws_context_per_thread *pt = container_of(timer,
+       struct lws_context_per_thread *pt = lws_container_of(timer,
                        struct lws_context_per_thread, uv_timeout_watcher);
 
+       if (pt->context->requested_kill)
+               return;
+
        lwsl_debug("%s\n", __func__);
-       /* do timeout check only */
+
        lws_service_fd_tsi(pt->context, NULL, pt->tid);
 }
 
-static const int sigs[] = { SIGINT, SIGTERM, SIGSEGV, SIGFPE };
+static const int sigs[] = { SIGINT, SIGTERM, SIGSEGV, SIGFPE, SIGHUP };
+
+int
+lws_uv_initvhost(struct lws_vhost* vh, struct lws* wsi)
+{
+       struct lws_context_per_thread *pt;
+       int n;
+
+       if (!LWS_LIBUV_ENABLED(vh->context))
+               return 0;
+       if (!wsi)
+               wsi = vh->lserv_wsi;
+       if (!wsi)
+               return 0;
+       if (wsi->w_read.context)
+               return 0;
+
+       pt = &vh->context->pt[(int)wsi->tsi];
+       if (!pt->io_loop_uv)
+               return 0;
+
+       wsi->w_read.context = vh->context;
+       n = uv_poll_init_socket(pt->io_loop_uv,
+                               &wsi->w_read.uv_watcher, wsi->desc.sockfd);
+       if (n) {
+               lwsl_err("uv_poll_init failed %d, sockfd=%p\n",
+                                n, (void *)(lws_intptr_t)wsi->desc.sockfd);
+
+               return -1;
+       }
+       lws_libuv_io(wsi, LWS_EV_START | LWS_EV_READ);
+
+       return 0;
+}
+
+/*
+ * This needs to be called after vhosts have been defined.
+ *
+ * If later, after server start, another vhost is added, this must be
+ * called again to bind the vhost
+ */
 
 LWS_VISIBLE int
 lws_uv_initloop(struct lws_context *context, uv_loop_t *loop, int tsi)
 {
        struct lws_context_per_thread *pt = &context->pt[tsi];
        struct lws_vhost *vh = context->vhost_list;
-       int status = 0, n;
+       int status = 0, n, ns, first = 1;
 
-       if (!loop) {
-               loop = lws_malloc(sizeof(*loop));
-               uv_loop_init(loop);
-               pt->ev_loop_foreign = 0;
-       } else
-               pt->ev_loop_foreign = 1;
-
-       pt->io_loop_uv = loop;
+       if (!pt->io_loop_uv) {
+               if (!loop) {
+                       loop = lws_malloc(sizeof(*loop));
+                       if (!loop) {
+                               lwsl_err("OOM\n");
+                               return -1;
+                       }
+       #if UV_VERSION_MAJOR > 0
+                       uv_loop_init(loop);
+       #else
+                       lwsl_err("This libuv is too old to work...\n");
+                       return 1;
+       #endif
+                       pt->ev_loop_foreign = 0;
+               } else {
+                       lwsl_notice(" Using foreign event loop...\n");
+                       pt->ev_loop_foreign = 1;
+               }
 
-       if (pt->context->use_ev_sigint) {
-               assert(ARRAY_SIZE(sigs) <= ARRAY_SIZE(pt->signals));
-               for (n = 0; n < ARRAY_SIZE(sigs); n++) {
-                       uv_signal_init(loop, &pt->signals[n]);
-                       pt->signals[n].data = pt->context;
-                       uv_signal_start(&pt->signals[n],
-                                       context->lws_uv_sigint_cb, sigs[n]);
+               pt->io_loop_uv = loop;
+               uv_idle_init(loop, &pt->uv_idle);
+
+               ns = ARRAY_SIZE(sigs);
+               if (lws_check_opt(context->options,
+                                 LWS_SERVER_OPTION_UV_NO_SIGSEGV_SIGFPE_SPIN))
+                       ns = 2;
+
+               if (pt->context->use_ev_sigint) {
+                       assert(ns <= ARRAY_SIZE(pt->signals));
+                       for (n = 0; n < ns; n++) {
+                               uv_signal_init(loop, &pt->signals[n]);
+                               pt->signals[n].data = pt->context;
+                               uv_signal_start(&pt->signals[n],
+                                               context->lws_uv_sigint_cb, sigs[n]);
+                       }
                }
-       }
+       } else
+               first = 0;
 
        /*
         * Initialize the accept wsi read watcher with all the listening sockets
@@ -132,38 +237,43 @@ lws_uv_initloop(struct lws_context *context, uv_loop_t *loop, int tsi)
         * initialized until after context creation.
         */
        while (vh) {
-               if (vh->lserv_wsi) {
-                       vh->lserv_wsi->w_read.context = context;
-                       uv_poll_init(pt->io_loop_uv,
-                                    &vh->lserv_wsi->w_read.uv_watcher,
-                                    vh->lserv_wsi->sock);
-                       uv_poll_start(&vh->lserv_wsi->w_read.uv_watcher,
-                                     UV_READABLE, lws_io_cb);
-               }
+               if (lws_uv_initvhost(vh, vh->lserv_wsi) == -1)
+                       return -1;
                vh = vh->vhost_next;
        }
 
-       uv_timer_init(pt->io_loop_uv, &pt->uv_timeout_watcher);
-       uv_timer_start(&pt->uv_timeout_watcher, lws_uv_timeout_cb, 1000, 1000);
+       if (first) {
+               uv_timer_init(pt->io_loop_uv, &pt->uv_timeout_watcher);
+               uv_timer_start(&pt->uv_timeout_watcher, lws_uv_timeout_cb,
+                              10, 1000);
+       }
 
        return status;
 }
 
-void lws_uv_close_cb(uv_handle_t *handle)
+static void lws_uv_close_cb(uv_handle_t *handle)
 {
+       //lwsl_err("%s: handle %p\n", __func__, handle);
+}
 
+static void lws_uv_walk_cb(uv_handle_t *handle, void *arg)
+{
+       if (!uv_is_closing(handle))
+               uv_close(handle, lws_uv_close_cb);
 }
 
-void lws_uv_walk_cb(uv_handle_t *handle, void *arg)
+LWS_VISIBLE void
+lws_close_all_handles_in_loop(uv_loop_t *loop)
 {
-       uv_close(handle, lws_uv_close_cb);
+       uv_walk(loop, lws_uv_walk_cb, NULL);
 }
 
 void
 lws_libuv_destroyloop(struct lws_context *context, int tsi)
 {
        struct lws_context_per_thread *pt = &context->pt[tsi];
-       int m;
+//     struct lws_context *ctx;
+       int m, budget = 100, ns;
 
        if (!lws_check_opt(context->options, LWS_SERVER_OPTION_LIBUV))
                return;
@@ -171,23 +281,51 @@ lws_libuv_destroyloop(struct lws_context *context, int tsi)
        if (!pt->io_loop_uv)
                return;
 
-       if (context->use_ev_sigint)
+       lwsl_notice("%s: closing signals + timers context %p\n", __func__, context);
+
+       if (context->use_ev_sigint) {
                uv_signal_stop(&pt->w_sigint.uv_watcher);
-       for (m = 0; m < ARRAY_SIZE(sigs); m++)
-               uv_signal_stop(&pt->signals[m]);
-       if (!pt->ev_loop_foreign) {
-               uv_stop(pt->io_loop_uv);
-               uv_walk(pt->io_loop_uv, lws_uv_walk_cb, NULL);
-               while (uv_run(pt->io_loop_uv, UV_RUN_NOWAIT));
-               m = uv_loop_close(pt->io_loop_uv);
-               if (m == UV_EBUSY)
-                       lwsl_debug("%s: uv_loop_close: UV_EBUSY\n", __func__);
-               lws_free(pt->io_loop_uv);
+
+               ns = ARRAY_SIZE(sigs);
+               if (lws_check_opt(context->options, LWS_SERVER_OPTION_UV_NO_SIGSEGV_SIGFPE_SPIN))
+                       ns = 2;
+
+               for (m = 0; m < ns; m++) {
+                       uv_signal_stop(&pt->signals[m]);
+                       uv_close((uv_handle_t *)&pt->signals[m], lws_uv_close_cb);
+               }
        }
+
+       uv_timer_stop(&pt->uv_timeout_watcher);
+       uv_close((uv_handle_t *)&pt->uv_timeout_watcher, lws_uv_close_cb);
+
+       uv_idle_stop(&pt->uv_idle);
+       uv_close((uv_handle_t *)&pt->uv_idle, lws_uv_close_cb);
+
+       if (pt->ev_loop_foreign)
+               return;
+
+       while (budget-- && uv_run(pt->io_loop_uv, UV_RUN_NOWAIT))
+               ;
+
+       lwsl_notice("%s: closing all loop handles context %p\n", __func__, context);
+
+       uv_stop(pt->io_loop_uv);
+
+       uv_walk(pt->io_loop_uv, lws_uv_walk_cb, NULL);
+
+       while (uv_run(pt->io_loop_uv, UV_RUN_NOWAIT))
+               ;
+#if UV_VERSION_MAJOR > 0
+       m = uv_loop_close(pt->io_loop_uv);
+       if (m == UV_EBUSY)
+               lwsl_err("%s: uv_loop_close: UV_EBUSY\n", __func__);
+#endif
+       lws_free(pt->io_loop_uv);
 }
 
 void
-lws_libuv_accept(struct lws *wsi, int accept_fd)
+lws_libuv_accept(struct lws *wsi, lws_sock_file_fd_type desc)
 {
        struct lws_context *context = lws_get_context(wsi);
        struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
@@ -198,8 +336,12 @@ lws_libuv_accept(struct lws *wsi, int accept_fd)
        lwsl_debug("%s: new wsi %p\n", __func__, wsi);
 
        wsi->w_read.context = context;
-
-       uv_poll_init(pt->io_loop_uv, &wsi->w_read.uv_watcher, accept_fd);
+       if (wsi->mode == LWSCM_RAW_FILEDESC)
+               uv_poll_init(pt->io_loop_uv, &wsi->w_read.uv_watcher,
+                            (int)desc.filefd);
+       else
+               uv_poll_init_socket(pt->io_loop_uv, &wsi->w_read.uv_watcher,
+                                   desc.sockfd);
 }
 
 void
@@ -207,22 +349,32 @@ lws_libuv_io(struct lws *wsi, int flags)
 {
        struct lws_context *context = lws_get_context(wsi);
        struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
+#if defined(WIN32) || defined(_WIN32)
+       int current_events = wsi->w_read.uv_watcher.events &
+                            (UV_READABLE | UV_WRITABLE);
+#else
        int current_events = wsi->w_read.uv_watcher.io_watcher.pevents &
                             (UV_READABLE | UV_WRITABLE);
+#endif
        struct lws_io_watcher *w = &wsi->w_read;
 
        if (!LWS_LIBUV_ENABLED(context))
                return;
 
-       lwsl_debug("%s: wsi: %p, flags:%d\n", __func__, wsi, flags);
+       // lwsl_notice("%s: wsi: %p, flags:0x%x\n", __func__, wsi, flags);
 
-       if (!pt->io_loop_uv) {
+       // w->context is set after the loop is initialized
+
+       if (!pt->io_loop_uv || !w->context) {
                lwsl_info("%s: no io loop yet\n", __func__);
                return;
        }
 
-       assert((flags & (LWS_EV_START | LWS_EV_STOP)) &&
-              (flags & (LWS_EV_READ | LWS_EV_WRITE)));
+       if (!((flags & (LWS_EV_START | LWS_EV_STOP)) &&
+             (flags & (LWS_EV_READ | LWS_EV_WRITE)))) {
+               lwsl_err("%s: assert: flags %d", __func__, flags);
+               assert(0);
+       }
 
        if (flags & LWS_EV_START) {
                if (flags & LWS_EV_WRITE)
@@ -255,9 +407,8 @@ lws_libuv_init_fd_table(struct lws_context *context)
        if (!LWS_LIBUV_ENABLED(context))
                return 0;
 
-       for (n = 0; n < context->count_threads; n++) {
+       for (n = 0; n < context->count_threads; n++)
                context->pt[n].w_sigint.context = context;
-       }
 
        return 1;
 }
@@ -269,15 +420,25 @@ lws_libuv_run(const struct lws_context *context, int tsi)
                uv_run(context->pt[tsi].io_loop_uv, 0);
 }
 
+LWS_VISIBLE void
+lws_libuv_stop_without_kill(const struct lws_context *context, int tsi)
+{
+       if (context->pt[tsi].io_loop_uv && LWS_LIBUV_ENABLED(context))
+               uv_stop(context->pt[tsi].io_loop_uv);
+}
+
 static void
 lws_libuv_kill(const struct lws_context *context)
 {
        int n;
 
+       lwsl_notice("%s\n", __func__);
+
        for (n = 0; n < context->count_threads; n++)
-               if (context->pt[n].io_loop_uv && LWS_LIBUV_ENABLED(context))
+               if (context->pt[n].io_loop_uv &&
+                   LWS_LIBUV_ENABLED(context) )//&&
+                   //!context->pt[n].ev_loop_foreign)
                        uv_stop(context->pt[n].io_loop_uv);
-       // TODO uv_stop check foreign loop? or not?
 }
 
 /*
@@ -293,6 +454,9 @@ lws_libuv_stop(struct lws_context *context)
        struct lws_context_per_thread *pt;
        int n, m;
 
+       if (context->requested_kill)
+               return;
+
        context->requested_kill = 1;
 
        m = context->count_threads;
@@ -303,9 +467,9 @@ lws_libuv_stop(struct lws_context *context)
 
                for (n = 0; (unsigned int)n < context->pt[m].fds_count; n++) {
                        struct lws *wsi = wsi_from_fd(context, pt->fds[n].fd);
+
                        if (!wsi)
                                continue;
-
                        lws_close_free_wsi(wsi,
                                LWS_CLOSE_STATUS_NOSTATUS_CONTEXT_DESTROY
                                /* no protocol close */);
@@ -313,6 +477,7 @@ lws_libuv_stop(struct lws_context *context)
                }
        }
 
+       lwsl_info("%s: feels everything closed\n", __func__);
        if (context->count_wsi_allocated == 0)
                lws_libuv_kill(context);
 }
@@ -329,12 +494,28 @@ lws_uv_getloop(struct lws_context *context, int tsi)
 static void
 lws_libuv_closewsi(uv_handle_t* handle)
 {
-       struct lws *n = NULL, *wsi = (struct lws *)(((void *)handle) -
-                         (void *)(&n->w_read.uv_watcher));
+       struct lws *n = NULL, *wsi = (struct lws *)(((char *)handle) -
+                         (char *)(&n->w_read.uv_watcher));
        struct lws_context *context = lws_get_context(wsi);
+       int lspd = 0;
+
+       if (wsi->mode == LWSCM_SERVER_LISTENER &&
+           wsi->context->deprecated) {
+               lspd = 1;
+               context->deprecation_pending_listen_close_count--;
+               if (!context->deprecation_pending_listen_close_count)
+                       lspd = 2;
+       }
 
        lws_close_free_wsi_final(wsi);
 
+       if (lspd == 2 && context->deprecation_cb) {
+               lwsl_notice("calling deprecation callback\n");
+               context->deprecation_cb();
+       }
+
+       //lwsl_notice("%s: ctx %p: wsi left %d\n", __func__, context, context->count_wsi_allocated);
+
        if (context->requested_kill && context->count_wsi_allocated == 0)
                lws_libuv_kill(context);
 }
@@ -345,9 +526,197 @@ lws_libuv_closehandle(struct lws *wsi)
        struct lws_context *context = lws_get_context(wsi);
 
        /* required to defer actual deletion until libuv has processed it */
-
        uv_close((uv_handle_t*)&wsi->w_read.uv_watcher, lws_libuv_closewsi);
 
        if (context->requested_kill && context->count_wsi_allocated == 0)
                lws_libuv_kill(context);
 }
+
+static void
+lws_libuv_closewsi_m(uv_handle_t* handle)
+{
+       lws_sockfd_type sockfd = (lws_sockfd_type)(lws_intptr_t)handle->data;
+
+       compatible_close(sockfd);
+}
+
+void
+lws_libuv_closehandle_manually(struct lws *wsi)
+{
+       uv_handle_t *h = (void *)&wsi->w_read.uv_watcher;
+
+       h->data = (void *)(lws_intptr_t)wsi->desc.sockfd;
+       /* required to defer actual deletion until libuv has processed it */
+       uv_close((uv_handle_t*)&wsi->w_read.uv_watcher, lws_libuv_closewsi_m);
+}
+
+int
+lws_libuv_check_watcher_active(struct lws *wsi)
+{
+       uv_handle_t *h = (void *)&wsi->w_read.uv_watcher;
+
+       return uv_is_active(h);
+}
+
+
+#if defined(LWS_WITH_PLUGINS) && (UV_VERSION_MAJOR > 0)
+
+LWS_VISIBLE int
+lws_plat_plugins_init(struct lws_context *context, const char * const *d)
+{
+       struct lws_plugin_capability lcaps;
+       struct lws_plugin *plugin;
+       lws_plugin_init_func initfunc;
+       int m, ret = 0;
+       void *v;
+       uv_dirent_t dent;
+       uv_fs_t req;
+       char path[256];
+       uv_lib_t lib;
+       int pofs = 0;
+
+#if  defined(__MINGW32__) || !defined(WIN32)
+       pofs = 3;
+#endif
+
+       lib.errmsg = NULL;
+       lib.handle = NULL;
+
+       uv_loop_init(&context->pu_loop);
+
+       lwsl_notice("  Plugins:\n");
+
+       while (d && *d) {
+
+               lwsl_notice("  Scanning %s\n", *d);
+               m =uv_fs_scandir(&context->pu_loop, &req, *d, 0, NULL);
+               if (m < 1) {
+                       lwsl_err("Scandir on %s failed\n", *d);
+                       return 1;
+               }
+
+               while (uv_fs_scandir_next(&req, &dent) != UV_EOF) {
+                       if (strlen(dent.name) < 7)
+                               continue;
+
+                       lwsl_notice("   %s\n", dent.name);
+
+                       lws_snprintf(path, sizeof(path) - 1, "%s/%s", *d, dent.name);
+                       if (uv_dlopen(path, &lib)) {
+                               uv_dlerror(&lib);
+                               lwsl_err("Error loading DSO: %s\n", lib.errmsg);
+                               goto bail;
+                       }
+
+                       /* we could open it, can we get his init function? */
+
+#if !defined(WIN32) && !defined(__MINGW32__)
+                       m = lws_snprintf(path, sizeof(path) - 1, "init_%s",
+                                    dent.name + pofs /* snip lib... */);
+                       path[m - 3] = '\0'; /* snip the .so */
+#else
+                       m = lws_snprintf(path, sizeof(path) - 1, "init_%s",
+                                    dent.name + pofs);
+                       path[m - 4] = '\0'; /* snip the .dll */
+#endif
+                       if (uv_dlsym(&lib, path, &v)) {
+                               uv_dlerror(&lib);
+                               lwsl_err("Failed to get %s on %s: %s", path,
+                                               dent.name, lib.errmsg);
+                               uv_dlclose(&lib);
+                               goto bail;
+                       }
+                       initfunc = (lws_plugin_init_func)v;
+                       lcaps.api_magic = LWS_PLUGIN_API_MAGIC;
+                       m = initfunc(context, &lcaps);
+                       if (m) {
+                               lwsl_err("Initializing %s failed %d\n", dent.name, m);
+                               goto skip;
+                       }
+
+                       plugin = lws_malloc(sizeof(*plugin));
+                       if (!plugin) {
+                               uv_dlclose(&lib);
+                               lwsl_err("OOM\n");
+                               goto bail;
+                       }
+                       plugin->list = context->plugin_list;
+                       context->plugin_list = plugin;
+                       strncpy(plugin->name, dent.name, sizeof(plugin->name) - 1);
+                       plugin->name[sizeof(plugin->name) - 1] = '\0';
+                       plugin->lib = lib;
+                       plugin->caps = lcaps;
+                       context->plugin_protocol_count += lcaps.count_protocols;
+                       context->plugin_extension_count += lcaps.count_extensions;
+
+                       continue;
+
+skip:
+                       uv_dlclose(&lib);
+               }
+bail:
+               uv_fs_req_cleanup(&req);
+               d++;
+       }
+
+       return ret;
+}
+
+LWS_VISIBLE int
+lws_plat_plugins_destroy(struct lws_context *context)
+{
+       struct lws_plugin *plugin = context->plugin_list, *p;
+       lws_plugin_destroy_func func;
+       char path[256];
+       void *v;
+       int m;
+       int pofs = 0;
+
+#if  defined(__MINGW32__) || !defined(WIN32)
+       pofs = 3;
+#endif
+
+       if (!plugin)
+               return 0;
+
+       // lwsl_notice("%s\n", __func__);
+
+       while (plugin) {
+               p = plugin;
+
+#if !defined(WIN32) && !defined(__MINGW32__)
+               m = lws_snprintf(path, sizeof(path) - 1, "destroy_%s", plugin->name + pofs);
+               path[m - 3] = '\0';
+#else
+               m = lws_snprintf(path, sizeof(path) - 1, "destroy_%s", plugin->name + pofs);
+               path[m - 4] = '\0';
+#endif
+
+               if (uv_dlsym(&plugin->lib, path, &v)) {
+                       uv_dlerror(&plugin->lib);
+                       lwsl_err("Failed to get %s on %s: %s", path,
+                                       plugin->name, plugin->lib.errmsg);
+               } else {
+                       func = (lws_plugin_destroy_func)v;
+                       m = func(context);
+                       if (m)
+                               lwsl_err("Destroying %s failed %d\n",
+                                               plugin->name, m);
+               }
+
+               uv_dlclose(&p->lib);
+               plugin = p->list;
+               p->list = NULL;
+               free(p);
+       }
+
+       context->plugin_list = NULL;
+
+       while (uv_loop_close(&context->pu_loop))
+               ;
+
+       return 0;
+}
+
+#endif
+