1 files changed, 64 insertions, 0 deletions
diff --git a/src/pulse/operation.h b/src/pulse/operation.h
new file mode 100644
index 0000000..302b85b
--- /dev/null
+++ b/src/pulse/operation.h
@@ -0,0 +1,64 @@
+#ifndef foooperationhfoo
+#define foooperationhfoo
+
+/***
+  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
+  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/>.
+***/
+
+#include <pulse/cdecl.h>
+#include <pulse/def.h>
+#include <pulse/version.h>
+
+/** \file
+ * Asynchronous operations */
+
+PA_C_DECL_BEGIN
+
+/** An asynchronous operation object */
+typedef struct pa_operation pa_operation;
+
+/** A callback for operation state changes */
+typedef void (*pa_operation_notify_cb_t) (pa_operation *o, void *userdata);
+
+/** Increase the reference count by one */
+pa_operation *pa_operation_ref(pa_operation *o);
+
+/** Decrease the reference count by one */
+void pa_operation_unref(pa_operation *o);
+
+/** Cancel the operation. Beware! This will not necessarily cancel the
+ * execution of the operation on the server side. However it will make
+ * sure that the callback associated with this operation will not be
+ * called anymore, effectively disabling the operation from the client
+ * side's view. */
+void pa_operation_cancel(pa_operation *o);
+
+/** Return the current status of the operation */
+pa_operation_state_t pa_operation_get_state(const pa_operation *o);
+
+/** Set the callback function that is called when the operation state
+ * changes. Usually this is not necessary, since the functions that
+ * create pa_operation objects already take a callback that is called
+ * when the operation finishes. Registering a state change callback is
+ * mainly useful, if you want to get called back also if the operation
+ * gets cancelled. \since 4.0 */
+void pa_operation_set_state_callback(pa_operation *o, pa_operation_notify_cb_t cb, void *userdata);
+
+PA_C_DECL_END
+
+#endif