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Can't use signal handler for nx_eventhandler() 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@1387 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2008-12-01 23:40:44 +00:00
parent 1c27ff92e2
commit 4b7a4b0417
7 changed files with 438 additions and 323 deletions
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6
nuttx/configs/sim/nx/defconfig
View File

@ -123,9 +123,9 @@ CONFIG_DEV_LOWCONSOLE=n
#
CONFIG_DISABLE_CLOCK=n
CONFIG_DISABLE_POSIX_TIMERS=y
CONFIG_DISABLE_PTHREAD=y
CONFIG_DISABLE_PTHREAD=n
CONFIG_DISABLE_SIGNALS=n
CONFIG_DISABLE_MQUEUE=y
CONFIG_DISABLE_MQUEUE=n
CONFIG_DISABLE_MOUNTPOINT=y
CONFIG_DISABLE_ENVIRON=y
CONFIG_DISABLE_POLL=y
@ -343,7 +343,7 @@ CONFIG_NXGLIB_DISABLE_32BPP=y
CONFIG_NXGL_PACKEDMSFIRST=n
CONFIG_NX_MOUSE=y
CONFIG_NX_KBD=n
CONFIG_NX_BLOCKING=n
CONFIG_NX_BLOCKING=y
CONFIG_NX_MXSERVERMSGS=32
CONFIG_NX_MXCLIENTMSGS=16

6
nuttx/configs/sim/nx/defconfig-x11
View File

@ -123,9 +123,9 @@ CONFIG_DEV_LOWCONSOLE=n
#
CONFIG_DISABLE_CLOCK=n
CONFIG_DISABLE_POSIX_TIMERS=y
CONFIG_DISABLE_PTHREAD=y
CONFIG_DISABLE_PTHREAD=n
CONFIG_DISABLE_SIGNALS=n
CONFIG_DISABLE_MQUEUE=y
CONFIG_DISABLE_MQUEUE=n
CONFIG_DISABLE_MOUNTPOINT=y
CONFIG_DISABLE_ENVIRON=y
CONFIG_DISABLE_POLL=y
@ -343,7 +343,7 @@ CONFIG_NXGLIB_DISABLE_32BPP=n
CONFIG_NXGL_PACKEDMSFIRST=n
CONFIG_NX_MOUSE=y
CONFIG_NX_KBD=n
CONFIG_NX_BLOCKING=n
CONFIG_NX_BLOCKING=y
CONFIG_NX_MXSERVERMSGS=32
CONFIG_NX_MXCLIENTMSGS=16

12
nuttx/examples/README.txt
View File

@ -74,11 +74,21 @@ examples/nx
CONFIG_EXAMPLES_NX_STACKSIZE -- The stacksize to use when creating
the NX server. Default 2048
CONFIG_EXAMPLES_NX_CLIENTPRIO -- The client priority. Default: 80
CONFIG_EXAMPLES_NX_CLIENTPRIO -- The client priority. Default: 100
CONFIG_EXAMPLES_NX_SERVERPRIO -- The server priority. Default: 120
CONFIG_EXAMPLES_NX_LISTENERPRIO -- The priority of the event listener
thread. Default 80.
CONFIG_EXAMPLES_NX_NOTIFYSIGNO -- The signal number to use with
nx_eventnotify(). Default: 4
If CONFIG_NX_MULTIUSER is defined, then the example also expects the
following settings and will generate an error if they are not as expected:
CONFIG_DISABLE_MQUEUE=n
CONFIG_DISABLE_SIGNALS=n
CONFIG_DISABLE_PTHREAD=n
CONFIG_NX_BLOCKING=y
examples/null
^^^^^^^^^^^^^

2
nuttx/examples/nx/Makefile
View File

@ -39,7 +39,7 @@
ASRCS =
AOBJS = $(ASRCS:.S=$(OBJEXT))
CSRCS = nx_main.c
CSRCS = nx_main.c nx_events.c
ifeq ($(CONFIG_NX_MULTIUSER),y)
CSRCS += nx_server.c
endif

319
nuttx/examples/nx/nx_events.c Normal file
View File

@ -0,0 +1,319 @@
/****************************************************************************
* examples/nx/nx_events.c
*
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdlib.h>
#include <semaphore.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/nx.h>
#include "nx_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void nxeg_redraw1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean morem, FAR void *arg);
static void nxeg_redraw2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean more, FAR void *arg);
static void nxeg_position1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg);
static void nxeg_position2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg);
#ifdef CONFIG_NX_MOUSE
static void nxeg_mousein1(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg);
static void nxeg_mousein2(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg);
#endif
#ifdef CONFIG_NX_KBD
static void nxeg_kbdin(NXWINDOW hwnd, ubyte nch, const ubyte *ch);
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
const struct nx_callback_s g_nxcb1 =
{
nxeg_redraw1, /* redraw */
nxeg_position1 /* position */
#ifdef CONFIG_NX_MOUSE
, nxeg_mousein1 /* mousein */
#endif
#ifdef CONFIG_NX_KBD
, nxeg_kbdin1 /* my kbdin */
#endif
};
const struct nx_callback_s g_nxcb2 =
{
nxeg_redraw2, /* redraw */
nxeg_position2 /* position */
#ifdef CONFIG_NX_MOUSE
, nxeg_mousein2 /* mousein */
#endif
#ifdef CONFIG_NX_KBD
, nxeg_kbdin2 /* my kbdin */
#endif
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxeg_redraw1
****************************************************************************/
static void nxeg_redraw1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean more, FAR void *arg)
{
message("nxeg_redraw%d: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
(int)arg, hwnd,
rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
more ? "TRUE" : "FALSE");
nx_fill(hwnd, rect, g_color1);
}
/****************************************************************************
* Name: nxeg_redraw2
****************************************************************************/
static void nxeg_redraw2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean more, FAR void *arg)
{
message("nxeg_redraw%d: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
(int)arg, hwnd,
rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
more ? "TRUE" : "FALSE");
nx_fill(hwnd, rect, g_color2);
}
/****************************************************************************
* Name: nxeg_position1
****************************************************************************/
static void nxeg_position1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg)
{
/* Report the position */
message("nxeg_position%d: hwnd=%p size={(%d,%d),(%d,%d)} pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
arg, hwnd,
size->pt1.x, size->pt1.y, size->pt2.x, size->pt2.y,
pos->x, pos->y,
bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
/* Have we picked off the window bounds yet? */
if (!b_haveresolution)
{
/* Save the window limits (these should be the same for all places and all windows */
g_xres = bounds->pt2.x;
g_yres = bounds->pt2.y;
b_haveresolution = TRUE;
sem_post(&g_semevent);
message("nxeg_position2: Have xres=%d yres=%d\n", g_xres, g_yres);
}
}
/****************************************************************************
* Name: nxeg_position2
****************************************************************************/
static void nxeg_position2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg)
{
/* Report the position */
message("nxeg_position%d: hwnd=%p size={(%d,%d),(%d,%d)} pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
arg, hwnd,
size->pt1.x, size->pt1.y, size->pt2.x, size->pt2.y,
pos->x, pos->y,
bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
}
/****************************************************************************
* Name: nxeg_mousein1
****************************************************************************/
#ifdef CONFIG_NX_MOUSE
static void nxeg_mousein1(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg)
{
message("nxeg_mousein%d: hwnd=%p pos=(%d,%d) button=%02x\n",
(int)arg, hwnd, pos->x, pos->y, buttons);
}
#endif
/****************************************************************************
* Name: nxeg_mousein2
****************************************************************************/
#ifdef CONFIG_NX_MOUSE
static void nxeg_mousein2(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg)
{
message("nxeg_mousein%d: hwnd=%p pos=(%d,%d) button=%02x\n",
(int)arg, hwnd, pos->x, pos->y, buttons);
}
#endif
/****************************************************************************
* Name: nxeg_kbdinfo
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxeg_kbdinfo(ubyte nch, const ubyte *ch)
{
int i;
for (i = 0; i < nch; i++)
{
if (isprint(ch[i]))
{
message(" ch[%d]= (%02x)", i, ch[i]);
}
else
{
message(" ch[%d]=%c (%02x)", i, ch[i], ch[i]);
}
}
}
#endif
/****************************************************************************
* Name: nxeg_kbdin1
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxeg_kbdin1(NXWINDOW hwnd, ubyte nch, const ubyte *ch)
{
message("nxeg_kbdin1: hwnd=%p nch=%d\n", hwnd, nch);
nxeg_kbdinfo(nch, ch);
}
#endif
/****************************************************************************
* Name: nxeg_kbdin2
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxeg_kbdin2(NXWINDOW hwnd, ubyte nch, const ubyte *ch)
{
message("nxeg_kbdin2: hwnd=%p nch=%d\n", hwnd, nch);
nxeg_kbdinfo(nch, ch);
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_listenerthread
****************************************************************************/
#ifdef CONFIG_NX_MULTIUSER
FAR void *nx_listenerthread(FAR void *arg)
{
int ret;
/* Set up to catch a signal */
/* Process events forever */
for (;;)
{
/* Handle the next event. If we were configured blocking, then
* we will stay right here until the next event is received. Since
* we have dedicated a while thread to servicing events, it would
* be most natural to also select CONFIG_NX_BLOCKING -- if not, the
* following would be a tight infinite loop (unless we added addition
* logic with nx_eventnotify and sigwait to pace it).
*/
ret = nx_eventhandler(g_hnx);
if (ret < 0)
{
/* An error occurred... assume that we have lost connection with
* the server.
*/
message("nx_listenerthread: Lost server connection: %d\n", errno);
exit(NXEXIT_LOSTSERVERCONN);
}
/* If we received a message, we must be connected */
if (!g_connected)
{
g_connected = TRUE;
sem_post(&g_semevent);
message("nx_listenerthread: Connected\n");
}
}
}
#endif

58
nuttx/examples/nx/nx_internal.h
View File

@ -42,6 +42,7 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <semaphore.h>
/****************************************************************************
* Definitions
@ -94,11 +95,20 @@
# ifdef CONFIG_DISABLE_SIGNALS
# error "This example requires signal support (CONFIG_DISABLE_SIGNALS=n)"
# endif
# ifdef CONFIG_DISABLE_PTHREAD
# error "This example requires pthread support (CONFIG_DISABLE_PTHREAD=n)"
# endif
# ifndef CONFIG_NX_BLOCKING
# error "This example depends on CONFIG_NX_BLOCKING"
# endif
# ifndef CONFIG_EXAMPLES_NX_STACKSIZE
# define CONFIG_EXAMPLES_NX_STACKSIZE 2048
# endif
# ifndef CONFIG_EXAMPLES_NX_LISTENERPRIO
# define CONFIG_EXAMPLES_NX_LISTENERPRIO 100
# endif
# ifndef CONFIG_EXAMPLES_NX_CLIENTPRIO
# define CONFIG_EXAMPLES_NX_CLIENTPRIO 80
# define CONFIG_EXAMPLES_NX_CLIENTPRIO 100
# endif
# ifndef CONFIG_EXAMPLES_NX_SERVERPRIO
# define CONFIG_EXAMPLES_NX_SERVERPRIO 120
@ -132,16 +142,62 @@
* Public Types
****************************************************************************/
enum exitcode_e
{
NXEXIT_SUCCESS = 0,
NXEXIT_SIGPROCMASK,
NXEXIT_SCHEDSETPARAM,
NXEXIT_EVENTNOTIFY,
NXEXIT_TASKCREATE,
NXEXIT_PTHREADCREATE,
NXEXIT_FBINITIALIZE,
NXEXIT_FBGETVPLANE,
NXEXIT_NXOPEN,
NXEXIT_NXCONNECT,
NXEXIT_NXSETBGCOLOR,
NXEXIT_NXOPENWINDOW,
NXEXIT_NXSETSIZE,
NXEXIT_NXSETPOSITION,
NXEXIT_NXCLOSEWINDOW,
NXEXIT_LOSTSERVERCONN
};
/****************************************************************************
* Public Variables
****************************************************************************/
/* The connecton handler */
extern NXHANDLE g_hnx;
/* NX callback vtables */
extern const struct nx_callback_s g_nxcb1;
extern const struct nx_callback_s g_nxcb2;
/* The screen resolution */
nxgl_coord_t g_xres;
nxgl_coord_t g_yres;
extern boolean b_haveresolution;
#ifdef CONFIG_NX_MULTIUSER
extern boolean g_connected;
#endif
extern sem_t g_semevent;
/* Colors used to fill window 1 & 2 */
extern nxgl_mxpixel_t g_color1[CONFIG_NX_NPLANES];
extern nxgl_mxpixel_t g_color2[CONFIG_NX_NPLANES];
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#if defined(CONFIG_NXGRAPHICS) && defined(CONFIG_NX_MULTIUSER)
extern int nx_servertask(int argc, char *argv[]);
extern FAR void *nx_listenerthread(FAR void *arg);
#endif
#endif /* __EXAMPLES_NX_NX_INTERNAL_H */

358
nuttx/examples/nx/nx_main.c
View File

@ -44,7 +44,7 @@
#include <stdlib.h>
#include <unistd.h>
#include <sched.h>
#include <signal.h>
#include <pthread.h>
#include <errno.h>
#include <debug.h>
@ -61,209 +61,44 @@
* Private Types
****************************************************************************/
enum exitcode_e
{
NXEXIT_SUCCESS = 0,
NXEXIT_SIGPROCMASK,
NXEXIT_SIGACTION,
NXEXIT_EVENTNOTIFY,
NXEXIT_TASKCREATE,
NXEXIT_FBINITIALIZE,
NXEXIT_FBGETVPLANE,
NXEXIT_NXOPEN,
NXEXIT_NXCONNECT,
NXEXIT_NXSETBGCOLOR,
NXEXIT_NXOPENWINDOW,
NXEXIT_NXSETSIZE,
NXEXIT_NXSETPOSITION,
NXEXIT_NXCLOSEWINDOW
};
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void nxeg_redraw1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean morem, FAR void *arg);
static void nxeg_redraw2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean more, FAR void *arg);
static void nxeg_position1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg);
static void nxeg_position2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg);
#ifdef CONFIG_NX_MOUSE
static void nxeg_mousein1(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg);
static void nxeg_mousein2(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg);
#endif
#ifdef CONFIG_NX_KBD
static void nxeg_kbdin(NXWINDOW hwnd, ubyte nch, const ubyte *ch);
#endif
/****************************************************************************
* Private Data
****************************************************************************/
static const struct nx_callback_s g_nxcb1 =
{
nxeg_redraw1, /* redraw */
nxeg_position1 /* position */
#ifdef CONFIG_NX_MOUSE
, nxeg_mousein1 /* mousein */
#endif
#ifdef CONFIG_NX_KBD
, nxeg_kbdin1 /* my kbdin */
#endif
};
static int g_exitcode = NXEXIT_SUCCESS;
static const struct nx_callback_s g_nxcb2 =
{
nxeg_redraw2, /* redraw */
nxeg_position2 /* position */
#ifdef CONFIG_NX_MOUSE
, nxeg_mousein2 /* mousein */
#endif
#ifdef CONFIG_NX_KBD
, nxeg_kbdin2 /* my kbdin */
#endif
};
/****************************************************************************
* Public Data
****************************************************************************/
/* The connecton handler */
static NXHANDLE g_hnx = NULL;
static int g_exitcode = NXEXIT_SUCCESS;
/* Initialized to zero, incremented when connected */
#ifdef CONFIG_NX_MULTIUSER
static boolean g_connected = FALSE;
#endif
static boolean b_haveresolution = FALSE;
static sem_t g_semevent = {0};
NXHANDLE g_hnx = NULL;
/* The screen resolution */
static nxgl_coord_t g_xres;
static nxgl_coord_t g_yres;
nxgl_coord_t g_xres;
nxgl_coord_t g_yres;
boolean b_haveresolution = FALSE;
#ifdef CONFIG_NX_MULTIUSER
boolean g_connected = FALSE;
#endif
sem_t g_semevent = {0};
/* Colors used to fill window 1 & 2 */
static nxgl_mxpixel_t g_color1[CONFIG_NX_NPLANES];
static nxgl_mxpixel_t g_color2[CONFIG_NX_NPLANES];
nxgl_mxpixel_t g_color1[CONFIG_NX_NPLANES];
nxgl_mxpixel_t g_color2[CONFIG_NX_NPLANES];
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxeg_redraw1
****************************************************************************/
static void nxeg_redraw1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean more, FAR void *arg)
{
message("nxeg_redraw%d: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
(int)arg, hwnd,
rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
more ? "TRUE" : "FALSE");
nx_fill(hwnd, rect, g_color1);
}
/****************************************************************************
* Name: nxeg_redraw2
****************************************************************************/
static void nxeg_redraw2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean more, FAR void *arg)
{
message("nxeg_redraw%d: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
(int)arg, hwnd,
rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
more ? "TRUE" : "FALSE");
nx_fill(hwnd, rect, g_color2);
}
/****************************************************************************
* Name: nxeg_position1
****************************************************************************/
static void nxeg_position1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg)
{
/* Report the position */
message("nxeg_position%d: hwnd=%p size={(%d,%d),(%d,%d)} pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
arg, hwnd,
size->pt1.x, size->pt1.y, size->pt2.x, size->pt2.y,
pos->x, pos->y,
bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
/* Have we picked off the window bounds yet? */
if (!b_haveresolution)
{
/* Save the window limits (these should be the same for all places and all windows */
g_xres = bounds->pt2.x;
g_yres = bounds->pt2.y;
b_haveresolution = TRUE;
sem_post(&g_semevent);
message("nxeg_position2: Have xres=%d yres=%d\n", g_xres, g_yres);
}
}
/****************************************************************************
* Name: nxeg_position2
****************************************************************************/
static void nxeg_position2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg)
{
/* Report the position */
message("nxeg_position%d: hwnd=%p size={(%d,%d),(%d,%d)} pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
arg, hwnd,
size->pt1.x, size->pt1.y, size->pt2.x, size->pt2.y,
pos->x, pos->y,
bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
}
/****************************************************************************
* Name: nxeg_mousein1
****************************************************************************/
#ifdef CONFIG_NX_MOUSE
static void nxeg_mousein1(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg)
{
message("nxeg_mousein%d: hwnd=%p pos=(%d,%d) button=%02x\n",
(int)arg, hwnd, pos->x, pos->y, buttons);
}
#endif
/****************************************************************************
* Name: nxeg_mousein2
****************************************************************************/
#ifdef CONFIG_NX_MOUSE
static void nxeg_mousein2(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg)
{
message("nxeg_mousein%d: hwnd=%p pos=(%d,%d) button=%02x\n",
(int)arg, hwnd, pos->x, pos->y, buttons);
}
#endif
/****************************************************************************
* Name: nxeg_drivemouse
****************************************************************************/
@ -287,85 +122,6 @@ static void nxeg_drivemouse(void)
}
#endif
/****************************************************************************
* Name: nxeg_kbdinfo
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxeg_kbdinfo(ubyte nch, const ubyte *ch)
{
int i;
for (i = 0; i < nch; i++)
{
if (isprint(ch[i]))
{
message(" ch[%d]= (%02x)", i, ch[i]);
}
else
{
message(" ch[%d]=%c (%02x)", i, ch[i], ch[i]);
}
}
}
#endif
/****************************************************************************
* Name: nxeg_kbdin1
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxeg_kbdin1(NXWINDOW hwnd, ubyte nch, const ubyte *ch)
{
message("nxeg_kbdin1: hwnd=%p nch=%d\n", hwnd, nch);
nxeg_kbdinfo(nch, ch);
}
#endif
/****************************************************************************
* Name: nxeg_kbdin2
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxeg_kbdin2(NXWINDOW hwnd, ubyte nch, const ubyte *ch)
{
message("nxeg_kbdin2: hwnd=%p nch=%d\n", hwnd, nch);
nxeg_kbdinfo(nch, ch);
}
#endif
/****************************************************************************
* Name: nxeg_suinitialize
****************************************************************************/
#ifdef CONFIG_NX_MULTIUSER
static void nxeg_sigaction(int signo, FAR siginfo_t *info, FAR void *context)
{
int ret;
/* I know... you are not supposed to call printf from signal handlers */
message("nxeg_sigaction: received signo=%d\n", signo);
ret = nx_eventhandler(g_hnx);
/* If we received a message, we must be connected */
if (!g_connected)
{
g_connected = TRUE;
sem_post(&g_semevent);
message("nxeg_sigaction: Connected\n");
}
/* Request notification of further incoming events */
ret = nx_eventnotify(g_hnx, CONFIG_EXAMPLES_NX_NOTIFYSIGNO);
if (ret < 0)
{
message("nxeg_sigaction: nx_eventnotify failed: %d\n", errno);
}
}
#endif
/****************************************************************************
* Name: nxeg_suinitialize
****************************************************************************/
@ -416,35 +172,19 @@ static inline int nxeg_suinitialize(void)
#ifdef CONFIG_NX_MULTIUSER
static inline int nxeg_muinitialize(void)
{
struct sigaction act;
sigset_t sigset;
struct sched_param param;
pthread_t thread;
pid_t servrid;
int ret;
/* Set up to catch a signal */
/* Set the client task priority */
message("nxeg_initialize: Unmasking signal %d\n" , CONFIG_EXAMPLES_NX_NOTIFYSIGNO);
(void)sigemptyset(&sigset);
(void)sigaddset(&sigset, CONFIG_EXAMPLES_NX_NOTIFYSIGNO);
ret = sigprocmask(SIG_UNBLOCK, &sigset, NULL);
param.sched_priority = CONFIG_EXAMPLES_NX_CLIENTPRIO;
ret = sched_setparam(0, &param);
if (ret < 0)
{
message("nxeg_initialize: sigprocmask failed: \n", ret);
g_exitcode = NXEXIT_SIGPROCMASK;
return ERROR;
}
message("nxeg_initialize: Registering signal handler\n" );
act.sa_sigaction = nxeg_sigaction;
act.sa_flags = SA_SIGINFO;
(void)sigfillset(&act.sa_mask);
(void)sigdelset(&act.sa_mask, CONFIG_EXAMPLES_NX_NOTIFYSIGNO);
ret = sigaction(CONFIG_EXAMPLES_NX_NOTIFYSIGNO, &act, NULL);
if (ret < 0)
{
message("nxeg_initialize: sigaction failed: %d\n" , ret);
g_exitcode = NXEXIT_SIGACTION;
message("nxeg_initialize: sched_setparam failed: %d\n" , ret);
g_exitcode = NXEXIT_SCHEDSETPARAM;
return ERROR;
}
@ -462,22 +202,30 @@ static inline int nxeg_muinitialize(void)
/* Wait a bit to let the server get started */
sleep(2);
sleep(1);
/* Connect to the server */
g_hnx = nx_connect();
if (g_hnx)
{
/* Request notification of incoming events */
pthread_attr_t attr;
ret = nx_eventnotify(g_hnx, CONFIG_EXAMPLES_NX_NOTIFYSIGNO);
if (ret < 0)
/* Start a separate thread to listen for server events. This is probably
* the least efficient way to do this, but it makes this example flow more
* smoothly.
*/
(void)pthread_attr_init(&attr);
param.sched_priority = CONFIG_EXAMPLES_NX_LISTENERPRIO;
(void)pthread_attr_setschedparam(&attr, &param);
(void)pthread_attr_setstacksize(&attr, CONFIG_EXAMPLES_NX_STACKSIZE);
ret = pthread_create(&thread, &attr, nx_listenerthread, NULL);
if (ret != 0)
{
message("nxeg_initialize: nx_eventnotify failed: %d\n", errno);
(void)nx_disconnect(g_hnx);
g_hnx = NULL;
g_exitcode = NXEXIT_EVENTNOTIFY;
printf("nxeg_initialize: pthread_create failed: %d\n", ret);
g_exitcode = NXEXIT_PTHREADCREATE;
return ERROR;
}
@ -485,33 +233,16 @@ static inline int nxeg_muinitialize(void)
while (!g_connected)
{
/* Assuming that the incoming message queue is configured non-blocking,
* we can poll the event handler here. This accounts for the case where
* the server is higher prioirty than the client. In that case, the
* server will have already responded to the connection request BEFORE
* the nx_eventnotify was called.
*/
/* Wait for the listener thread to wake us up when we really
* are connected.
*/
ret = nx_eventhandler(g_hnx);
if (ret == 0)
{
/* If a message was received, then we are connected */
g_connected = TRUE;
}
/* Otherwise, we will have to wait for the event handler to wake up up
* when we really are connected.
*/
else
{
(void)sem_wait(&g_semevent);
}
(void)sem_wait(&g_semevent);
}
}
else
{
message("user_start: nx_connect failed: %d\n", errno);
message("nxeg_initialize: nx_connect failed: %d\n", errno);
g_exitcode = NXEXIT_NXCONNECT;
return ERROR;
}
@ -589,7 +320,6 @@ int user_start(int argc, char *argv[])
g_exitcode = NXEXIT_NXSETBGCOLOR;
goto errout_with_nx;
}
(void)nx_eventhandler(g_hnx); /* Check for server events -- normally done in a loop */
/* Create window #1 */