1 files changed, 75 insertions, 0 deletions
diff --git a/src/pulse/mainloop-api.c b/src/pulse/mainloop-api.c
new file mode 100644
index 0000000..4ea0061
--- /dev/null
+++ b/src/pulse/mainloop-api.c
@@ -0,0 +1,75 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+
+  PulseAudio 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/i18n.h>
+#include <pulsecore/macro.h>
+
+#include "mainloop-api.h"
+
+struct once_info {
+    void (*callback)(pa_mainloop_api*m, void *userdata);
+    void *userdata;
+};
+
+static void once_callback(pa_mainloop_api *m, pa_defer_event *e, void *userdata) {
+    struct once_info *i = userdata;
+
+    pa_assert(m);
+    pa_assert(i);
+
+    pa_assert(i->callback);
+    i->callback(m, i->userdata);
+
+    pa_assert(m->defer_free);
+    m->defer_free(e);
+}
+
+static void free_callback(pa_mainloop_api *m, pa_defer_event *e, void *userdata) {
+    struct once_info *i = userdata;
+
+    pa_assert(m);
+    pa_assert(i);
+    pa_xfree(i);
+}
+
+void pa_mainloop_api_once(pa_mainloop_api* m, void (*callback)(pa_mainloop_api *m, void *userdata), void *userdata) {
+    struct once_info *i;
+    pa_defer_event *e;
+
+    pa_assert(m);
+    pa_assert(callback);
+
+    pa_init_i18n();
+
+    i = pa_xnew(struct once_info, 1);
+    i->callback = callback;
+    i->userdata = userdata;
+
+    pa_assert(m->defer_new);
+    pa_assert_se(e = m->defer_new(m, once_callback, i));
+    m->defer_set_destroy(e, free_callback);
+}