pmt: initial 3.0.2 update

include/parted/timer.h

@@ -0,0 +1,66 @@
+/*
+    libparted - a library for manipulating disk partitions
+    Copyright (C) 2001-2002, 2007, 2009-2014, 2019-2023 Free Software
+    Foundation, Inc.
+
+    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/>.
+*/
+
+/**
+ * \addtogroup PedTimer
+ * @{
+ */
+
+/** \file timer.h */
+
+#ifndef PED_TIMER_H_INCLUDED
+#define PED_TIMER_H_INCLUDED
+
+#include <time.h>
+
+typedef struct _PedTimer PedTimer;
+
+typedef void PedTimerHandler (PedTimer* timer, void* context);
+
+/*
+ * Structure keeping track of progress and time
+ */
+struct _PedTimer {
+	float			frac;		/**< fraction of operation done */
+	time_t			start;		/**< time of start of op */
+	time_t			now;		/**< time of last update (now!) */
+	time_t			predicted_end;	/**< expected finish time */
+	const char*		state_name;	/**< eg: "copying data" */
+	PedTimerHandler*	handler;	/**< who to notify on updates */
+	void*			context;	/**< context to pass to handler */
+};
+
+extern PedTimer* ped_timer_new (PedTimerHandler* handler, void* context);
+extern void ped_timer_destroy (PedTimer* timer);
+
+/* a nested timer automatically notifies it's parent.  You should only
+ * create one when you are going to use it (not before)
+ */
+extern PedTimer* ped_timer_new_nested (PedTimer* parent, float nest_frac);
+extern void ped_timer_destroy_nested (PedTimer* timer);
+
+extern void ped_timer_touch (PedTimer* timer);
+extern void ped_timer_reset (PedTimer* timer);
+extern void ped_timer_update (PedTimer* timer, float new_frac);
+extern void ped_timer_set_state_name (PedTimer* timer, const char* state_name);
+
+#endif /* PED_TIMER_H_INCLUDED */
+
+
+/** @} */