1.1 --- a/resource_server.cc Fri Apr 02 01:27:50 2021 +0200
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,131 +0,0 @@
1.4 -/*
1.5 - * Resource server functionality.
1.6 - *
1.7 - * Copyright (C) 2018, 2019, 2020, 2021 Paul Boddie <paul@boddie.org.uk>
1.8 - *
1.9 - * This program is free software; you can redistribute it and/or
1.10 - * modify it under the terms of the GNU General Public License as
1.11 - * published by the Free Software Foundation; either version 2 of
1.12 - * the License, or (at your option) any later version.
1.13 - *
1.14 - * This program is distributed in the hope that it will be useful,
1.15 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 - * GNU General Public License for more details.
1.18 - *
1.19 - * You should have received a copy of the GNU General Public License
1.20 - * along with this program; if not, write to the Free Software
1.21 - * Foundation, Inc., 51 Franklin Street, Fifth Floor,
1.22 - * Boston, MA 02110-1301, USA
1.23 - */
1.24 -
1.25 -#include <l4/sys/types.h>
1.26 -
1.27 -#include <pthread-l4.h>
1.28 -#include <pthread.h>
1.29 -
1.30 -#include "resource_server.h"
1.31 -
1.32 -
1.33 -
1.34 -/* Convenience server methods. */
1.35 -
1.36 -/* Bind to a named IPC gate capability. */
1.37 -
1.38 -long ResourceServer::bind(const char *name)
1.39 -{
1.40 - return ipc_server_bind(name, (l4_umword_t) _resource, &_config->server);
1.41 -}
1.42 -
1.43 -/* Start in the same thread with no deletion notifications or finalisation. */
1.44 -
1.45 -long ResourceServer::start()
1.46 -{
1.47 - resource_init_config(_config, _resource);
1.48 - _config->thread = pthread_l4_cap(pthread_self());
1.49 - return resource_start_config(_config, _resource);
1.50 -}
1.51 -
1.52 -/* Start a new thread with deletion notifications and finalisation. */
1.53 -
1.54 -long ResourceServer::start_thread()
1.55 -{
1.56 - pthread_t thread;
1.57 - pthread_attr_t attr;
1.58 - long err;
1.59 -
1.60 - pthread_attr_init(&attr);
1.61 - pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
1.62 -
1.63 - resource_init_config(_config, _resource);
1.64 -
1.65 - err = pthread_create(&thread, &attr, ipc_server_start_mainloop, _config);
1.66 - if (err)
1.67 - return err;
1.68 -
1.69 - resource_set_config_threaded(_config, pthread_l4_cap(thread), 1);
1.70 -
1.71 - return resource_start_config(_config, _resource);
1.72 -}
1.73 -
1.74 -
1.75 -
1.76 -/* Initialise a server configuration for a resource. */
1.77 -
1.78 -void resource_init_config(ipc_server_config_type *config, Resource *resource)
1.79 -{
1.80 - config->handler_obj = resource->interface();
1.81 - config->finaliser_obj = resource;
1.82 - config->expected_items = resource->expected_items();
1.83 - config->handler = resource->handler();
1.84 -}
1.85 -
1.86 -/* Set a configuration to be threaded. */
1.87 -
1.88 -void resource_set_config_threaded(ipc_server_config_type *config,
1.89 - l4_cap_idx_t thread, int new_thread)
1.90 -{
1.91 - config->finaliser = resource_thread_finaliser;
1.92 - config->new_thread = new_thread;
1.93 - config->thread = thread;
1.94 - config->notifications = 1;
1.95 -}
1.96 -
1.97 -/* Activate a resource and start a server for it. */
1.98 -
1.99 -long resource_start_config(ipc_server_config_type *config, Resource *resource)
1.100 -{
1.101 - resource->activate();
1.102 - long err = ipc_server_start_config(config);
1.103 -
1.104 - /* Discard any server resources if starting it failed. */
1.105 -
1.106 - if (err)
1.107 - {
1.108 - ipc_server_finalise_config(config);
1.109 - ipc_server_discard_thread(config);
1.110 - }
1.111 -
1.112 - return err;
1.113 -}
1.114 -
1.115 -
1.116 -
1.117 -/* A finaliser for exposed resources. */
1.118 -
1.119 -void resource_thread_finaliser(ipc_server_config_type *config)
1.120 -{
1.121 - Resource *resource = reinterpret_cast<Resource *>(config->finaliser_obj);
1.122 -
1.123 - /* Close and delete the resource. */
1.124 -
1.125 - resource->close();
1.126 - delete resource;
1.127 -
1.128 - /* Release the capabilities. */
1.129 -
1.130 - ipc_server_finalise_config(config);
1.131 - delete config;
1.132 -}
1.133 -
1.134 -// vim: tabstop=2 expandtab shiftwidth=2