void tube_delete(struct tube* tube) { if(!tube) return; tube_remove_bg_listen(tube); tube_remove_bg_write(tube); /* close fds after deleting commpoints, to be sure. * Also epoll does not like closing fd before event_del */ tube_close_read(tube); tube_close_write(tube); free(tube); }
void tube_delete(struct tube* tube) { if(!tube) return; tube_remove_bg_listen(tube); tube_remove_bg_write(tube); tube_close_read(tube); tube_close_write(tube); if(!WSACloseEvent(tube->event)) log_err("WSACloseEvent: %s", wsa_strerror(WSAGetLastError())); lock_basic_destroy(&tube->res_lock); verbose(VERB_ALGO, "tube deleted"); free(tube); }
/** the background thread func */ static void* libworker_dobg(void* arg) { /* setup */ uint32_t m; struct libworker* w = (struct libworker*)arg; struct ub_ctx* ctx; if(!w) { log_err("libunbound bg worker init failed, nomem"); return NULL; } ctx = w->ctx; log_thread_set(&w->thread_num); #ifdef THREADS_DISABLED /* we are forked */ w->is_bg_thread = 0; /* close non-used parts of the pipes */ tube_close_write(ctx->qq_pipe); tube_close_read(ctx->rr_pipe); #endif if(!tube_setup_bg_listen(ctx->qq_pipe, w->base, libworker_handle_control_cmd, w)) { log_err("libunbound bg worker init failed, no bglisten"); return NULL; } if(!tube_setup_bg_write(ctx->rr_pipe, w->base)) { log_err("libunbound bg worker init failed, no bgwrite"); return NULL; } /* do the work */ comm_base_dispatch(w->base); /* cleanup */ m = UB_LIBCMD_QUIT; w->want_quit = 1; tube_remove_bg_listen(w->ctx->qq_pipe); tube_remove_bg_write(w->ctx->rr_pipe); libworker_delete(w); (void)tube_write_msg(ctx->rr_pipe, (uint8_t*)&m, (uint32_t)sizeof(m), 0); #ifdef THREADS_DISABLED /* close pipes from forked process before exit */ tube_close_read(ctx->qq_pipe); tube_close_write(ctx->rr_pipe); #endif return NULL; }