diff options
Diffstat (limited to 'src/unix_signal.c')
| -rw-r--r-- | src/unix_signal.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/src/unix_signal.c b/src/unix_signal.c deleted file mode 100644 index e2d9581..0000000 --- a/src/unix_signal.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * pa-sink-ctl - NCurses based Pulseaudio control client - * Copyright (C) 2011 Benjamin Franzke <benjaminfranzke@googlemail.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <signal.h> -#include <glib.h> -#include "unix_signal.h" - -static GPtrArray *signal_data = NULL; - -typedef struct _UnixSignalData { - guint source_id; - GMainContext *context; - gboolean triggered; - gint signum; -} UnixSignalData; - -typedef struct _UnixSignalSource { - GSource source; - UnixSignalData *data; -} UnixSignalSource; - -static void -handler(gint signum); - -struct sigaction act_handler = { - .sa_handler = handler -}; -struct sigaction act_null = { - .sa_handler = NULL -}; - -static inline UnixSignalData * -unix_signal_data(guint index) -{ - return (UnixSignalData *) g_ptr_array_index(signal_data, index); -} - -static void -handler(gint signum) -{ - g_assert(signal_data != NULL); - for (guint i = 0; i < signal_data->len; ++i) - if (unix_signal_data(i)->signum == signum) - unix_signal_data(i)->triggered = TRUE; - sigaction(signum, &act_handler, NULL); -} - -static gboolean -check(GSource *source) -{ - UnixSignalSource *signal_source = (UnixSignalSource *) source; - - return signal_source->data->triggered; -} - -static gboolean -prepare(GSource *source, gint *timeout_) -{ - UnixSignalSource *signal_source = (UnixSignalSource*) source; - - if (signal_source->data->context == NULL) { - g_main_context_ref(signal_source->data->context = - g_source_get_context(source)); - signal_source->data->source_id = g_source_get_id(source); - } - - *timeout_ = -1; - - return signal_source->data->triggered; -} - -static gboolean -dispatch(GSource *source, GSourceFunc callback, gpointer user_data) -{ - UnixSignalSource *signal_source = (UnixSignalSource *) source; - - signal_source->data->triggered = FALSE; - - return callback(user_data) ? TRUE : FALSE; -} - -static void -finalize(GSource *source) -{ - UnixSignalSource *signal_source = (UnixSignalSource*) source; - - sigaction(signal_source->data->signum, &act_null, NULL); - g_main_context_unref(signal_source->data->context); - g_ptr_array_remove_fast(signal_data, signal_source->data); - if (signal_data->len == 0) - signal_data = (GPtrArray*) g_ptr_array_free(signal_data, TRUE); - g_free(signal_source->data); - -} -static GSourceFuncs SourceFuncs = -{ - .prepare = prepare, - .check = check, - .dispatch = dispatch, - .finalize = finalize, - .closure_callback = NULL, .closure_marshal = NULL -}; - -static void -unix_signal_source_init(GSource *source, gint signum) -{ - UnixSignalSource *signal_source = (UnixSignalSource *) source; - - signal_source->data = g_new(UnixSignalData, 1); - signal_source->data->triggered = FALSE; - signal_source->data->signum = signum; - signal_source->data->context = NULL; - - if (signal_data == NULL) - signal_data = g_ptr_array_new(); - g_ptr_array_add(signal_data, signal_source->data); -} - -GSource * -unix_signal_source_new(gint signum) -{ - GSource *source = g_source_new(&SourceFuncs, sizeof(UnixSignalSource)); - - unix_signal_source_init(source, signum); - sigaction(signum, &act_handler, NULL); - - return source; -} - -guint -unix_signal_add_full(gint priority, gint signum, GSourceFunc function, - gpointer data, GDestroyNotify notify) -{ - guint id; - GSource *source = unix_signal_source_new(signum); - g_return_val_if_fail(function != NULL, 0); - - if (priority != G_PRIORITY_DEFAULT) - g_source_set_priority (source, priority); - g_source_set_callback(source, function, data, notify); - id = g_source_attach(source, NULL); - g_source_unref(source); - - return id; -} - -guint unix_signal_add(gint signum, GSourceFunc function, gpointer data) -{ - return unix_signal_add_full(G_PRIORITY_DEFAULT, signum, - function, data, NULL); -} |