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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_system_thread_entry.c	Lines:	31	31	100.0 %
Date:	2026-03-06 19:21:09	Branches:	15	15	100.0 %


/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 * Copyright (c) 2026-present Eclipse ThreadX contributors
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** GUIX Component                                                        */
/**                                                                       */
/**   System Management (System)                                          */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

#include "gx_api.h"
#include "gx_system.h"

#if !defined(GX_THREAD_SLEEPING)
#define GX_THREAD_SLEEPING
#endif

#if !defined(GX_THREAD_AWAKE)
#define GX_THREAD_AWAKE
#endif

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_system_thread_entry                             PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This is the main processing thread for GUIX. All events and drawing */
/*    are done from the context of this thread.                           */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    id                                    Thread ID                     */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    tx_mutex_get                          Get protection mutex          */
/*    tx_mutex_put                          Release protection mutex      */
/*    tx_queue_receive                      Receive GUIX events from queue*/
/*    _gx_system_dirty_mark                 Mark a widget as dirty        */
/*    _gx_system_error_process              Process system errors         */
/*    _gx_system_event_dispatch             Dispatch GUIX events          */
/*    _gx_system_canvas_refresh             Refresh the canvas            */
/*    _gx_system_timer_update               Update active system timers   */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    ThreadX                                                             */
/*                                                                        */
/**************************************************************************/
VOID  _gx_system_thread_entry(ULONG id)
{

UINT status = GX_FAILURE;

#ifdef GX_THREADX_BINDING
ULONG    event_memory[GX_EVENT_ULONGS];
#else
GX_EVENT event_memory;
#endif

GX_EVENT  *event_ptr;
GX_WIDGET *widget;

    GX_PARAMETER_NOT_USED(id);

    /* Loop to process GUIX events.  */
    while (1)
    {
#ifdef GX_THREADX_BINDING
        /* Pickup event from event queue.  */
        status =  tx_queue_receive(&_gx_system_event_queue, &event_memory[0], TX_NO_WAIT);

        /* Was there an event?  */
        if (status == TX_QUEUE_EMPTY)
        {
            /* No event to process, so re-draw dirty widgets */
            _gx_system_canvas_refresh();

            /* Now block this thread until an event is received.  */
            GX_THREAD_SLEEPING
            status = tx_queue_receive(&_gx_system_event_queue, &event_memory[0], TX_WAIT_FOREVER);
            if (status == TX_SUCCESS)
            {
                status = GX_SUCCESS;
            }
        }
#else
        /* here for generic RTOS binding */
        status = GX_EVENT_POP(&event_memory, GX_FALSE);
        if (status == GX_FAILURE)
        {
            _gx_system_canvas_refresh();
            GX_THREAD_SLEEPING
            status = GX_EVENT_POP(&event_memory, GX_TRUE);
        }
#endif

        /* Check for a successful status.  */
        if (status == GX_SUCCESS)
        {
            GX_THREAD_AWAKE
            /* Setup a pointer to the event.  */
            event_ptr =  (GX_EVENT *)(&event_memory);

            switch (event_ptr -> gx_event_type)
            {
            /* Determine if a redraw event is present.  */
            case GX_EVENT_REDRAW:
                /* Yes, a redraw event is present, detect and process the dirty area(s).  */
                widget = (GX_WIDGET *)_gx_system_root_window_created_list;
                while (widget)
                {
                    _gx_system_dirty_mark(widget);
                    widget = widget -> gx_widget_next;
                }
                break;

            case GX_EVENT_TERMINATE:
                return;

            case GX_EVENT_TIMER:
                if (event_ptr ->gx_event_target == GX_NULL)
                {
                    /* the event is from gx_system_timer_expiration */
                    _gx_system_timer_update(event_ptr -> gx_event_payload.gx_event_ulongdata);
                }
                else
                {
                    _gx_system_event_dispatch(event_ptr);
                }
                break;

            case 0:
                /* the event has been purged */
                break;

            default:
                /* Dispatch the event to GUIX proper window/widget.  */
                _gx_system_event_dispatch(event_ptr);
                break;
            }
        }
        else
        {
            /* Error receiving event - call system error handler.  */
            _gx_system_error_process(GX_SYSTEM_EVENT_RECEIVE_ERROR);

            /* Return to exit the system thread.  */
            return;
        }
    }
}



Generated by: GCOVR (Version 4.1)

Line	Branch	Exec	Source
1			/***************************************************************************
2			* Copyright (c) 2024 Microsoft Corporation
3			* Copyright (c) 2026-present Eclipse ThreadX contributors
4			*
5			* This program and the accompanying materials are made available under the
6			* terms of the MIT License which is available at
7			* https://opensource.org/licenses/MIT.
8			*
9			* SPDX-License-Identifier: MIT
10			**************************************************************************/
11
12
13			/**************************************************************************/
14			/**************************************************************************/
15			/** */
16			/** GUIX Component */
17			/** */
18			/** System Management (System) */
19			/** */
20			/**************************************************************************/
21
22			#define GX_SOURCE_CODE
23
24
25			/* Include necessary system files. */
26
27			#include "gx_api.h"
28			#include "gx_system.h"
29
30			#if !defined(GX_THREAD_SLEEPING)
31			#define GX_THREAD_SLEEPING
32			#endif
33
34			#if !defined(GX_THREAD_AWAKE)
35			#define GX_THREAD_AWAKE
36			#endif
37
38			/**************************************************************************/
39			/* */
40			/* FUNCTION RELEASE */
41			/* */
42			/* _gx_system_thread_entry PORTABLE C */
43			/* 6.1 */
44			/* AUTHOR */
45			/* */
46			/* Kenneth Maxwell, Microsoft Corporation */
47			/* */
48			/* DESCRIPTION */
49			/* */
50			/* This is the main processing thread for GUIX. All events and drawing */
51			/* are done from the context of this thread. */
52			/* */
53			/* INPUT */
54			/* */
55			/* id Thread ID */
56			/* */
57			/* OUTPUT */
58			/* */
59			/* None */
60			/* */
61			/* CALLS */
62			/* */
63			/* tx_mutex_get Get protection mutex */
64			/* tx_mutex_put Release protection mutex */
65			/* tx_queue_receive Receive GUIX events from queue*/
66			/* _gx_system_dirty_mark Mark a widget as dirty */
67			/* _gx_system_error_process Process system errors */
68			/* _gx_system_event_dispatch Dispatch GUIX events */
69			/* _gx_system_canvas_refresh Refresh the canvas */
70			/* _gx_system_timer_update Update active system timers */
71			/* */
72			/* CALLED BY */
73			/* */
74			/* ThreadX */
75			/* */
76			/**************************************************************************/
77		727	VOID _gx_system_thread_entry(ULONG id)
78			{
79
80		727	UINT status = GX_FAILURE;
81
82			#ifdef GX_THREADX_BINDING
83			ULONG event_memory[GX_EVENT_ULONGS];
84			#else
85			GX_EVENT event_memory;
86			#endif
87
88			GX_EVENT *event_ptr;
89			GX_WIDGET *widget;
90
91			GX_PARAMETER_NOT_USED(id);
92
93			/* Loop to process GUIX events. */
94			while (1)
95			{
96			#ifdef GX_THREADX_BINDING
97			/* Pickup event from event queue. */
98		159973	status = tx_queue_receive(&_gx_system_event_queue, &event_memory[0], TX_NO_WAIT);
99
100			/* Was there an event? */
101	✓✓	159973	if (status == TX_QUEUE_EMPTY)
102			{
103			/* No event to process, so re-draw dirty widgets */
104		148530	_gx_system_canvas_refresh();
105
106			/* Now block this thread until an event is received. */
107			GX_THREAD_SLEEPING
108		148530	status = tx_queue_receive(&_gx_system_event_queue, &event_memory[0], TX_WAIT_FOREVER);
109	✓✓	147806	if (status == TX_SUCCESS)
110			{
111		147805	status = GX_SUCCESS;
112			}
113			}
114			#else
115			/* here for generic RTOS binding */
116			status = GX_EVENT_POP(&event_memory, GX_FALSE);
117			if (status == GX_FAILURE)
118			{
119			_gx_system_canvas_refresh();
120			GX_THREAD_SLEEPING
121			status = GX_EVENT_POP(&event_memory, GX_TRUE);
122			}
123			#endif
124
125			/* Check for a successful status. */
126	✓✓	159249	if (status == GX_SUCCESS)
127			{
128			GX_THREAD_AWAKE
129			/* Setup a pointer to the event. */
130		159248	event_ptr = (GX_EVENT *)(&event_memory);
131
132	✓✓✓✓ ✓	159248	switch (event_ptr -> gx_event_type)
133			{
134			/* Determine if a redraw event is present. */
135		76018	case GX_EVENT_REDRAW:
136			/* Yes, a redraw event is present, detect and process the dirty area(s). */
137		76018	widget = (GX_WIDGET *)_gx_system_root_window_created_list;
138	✓✓	207740	while (widget)
139			{
140		131722	_gx_system_dirty_mark(widget);
141		131722	widget = widget -> gx_widget_next;
142			}
143		76018	break;
144
145		1	case GX_EVENT_TERMINATE:
146		1	return;
147
148		11351	case GX_EVENT_TIMER:
149	✓✓	11351	if (event_ptr ->gx_event_target == GX_NULL)
150			{
151			/* the event is from gx_system_timer_expiration */
152		8241	_gx_system_timer_update(event_ptr -> gx_event_payload.gx_event_ulongdata);
153			}
154			else
155			{
156		3110	_gx_system_event_dispatch(event_ptr);
157			}
158		11351	break;
159
160		368	case 0:
161			/* the event has been purged */
162		368	break;
163
164		71510	default:
165			/* Dispatch the event to GUIX proper window/widget. */
166		71510	_gx_system_event_dispatch(event_ptr);
167		71509	break;
168			}
169			}
170			else
171			{
172			/* Error receiving event - call system error handler. */
173		1	_gx_system_error_process(GX_SYSTEM_EVENT_RECEIVE_ERROR);
174
175			/* Return to exit the system thread. */
176		1	return;
177			}
178			}
179			}
180