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- Examine the error code from the screen saver and act accordingly.

Browse Source 
0	success
	EAGAIN	try again later
	other	don't call this screen saver again
- Test flags consistently to examine the status of the screen saver.
	scrn_blanked: the screen saver is running
	scp->status & SAVER_RUNNING: the saver is running in this vty
- Correctlyu preserve status flag bits in set/restore_scrn_saver_mdoe().
This commit is contained in:
Kazutaka YOKOTA 1999-01-17 14:23:15 +00:00
parent bc27c8dcdc
commit 6d479db3c3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=42748
1 changed files with 28 additions and 18 deletions
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46
sys/dev/syscons/syscons.c
View File

@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: syscons.c,v 1.290 1999/01/11 03:18:27 yokota Exp $
* $Id: syscons.c,v 1.291 1999/01/13 01:14:26 yokota Exp $
*/
#include "sc.h"
@ -162,6 +162,7 @@ static long scrn_time_stamp;
static int saver_mode = CONS_LKM_SAVER; /* LKM/user saver */
static int run_scrn_saver = FALSE; /* should run the saver? */
static int scrn_idle = FALSE; /* about to run the saver */
static int scrn_saver_failed;
u_char scr_map[256];
u_char scr_rmap[256];
static int initial_video_mode; /* initial video mode # */
@ -274,7 +275,7 @@ static void scsplash_saver(int show);
static int add_scrn_saver(void (*this_saver)(int));
static int remove_scrn_saver(void (*this_saver)(int));
static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border);
static int restore_scrn_saver_mode(scr_stat *scp);
static int restore_scrn_saver_mode(scr_stat *scp, int changemode);
static void stop_scrn_saver(void (*saver)(int));
static int wait_scrn_saver_stop(void);
#define scsplash_stick(stick) (sticky_splash = (stick))
@ -1942,7 +1943,7 @@ sccnupdate(scr_stat *scp)
if (!run_scrn_saver)
scrn_idle = FALSE;
if ((saver_mode != CONS_LKM_SAVER) || !scrn_idle)
if (scp->status & SAVER_RUNNING)
if (scrn_blanked)
stop_scrn_saver(current_saver);
if (scp != cur_console || blink_in_progress || switch_in_progress)
@ -2004,8 +2005,6 @@ scrn_timer(void *arg)
}
}
scp = cur_console;
/* should we stop the screen saver? */
getmicrouptime(&tv);
if (panicstr || shutdown_in_progress)
@ -2019,7 +2018,7 @@ scrn_timer(void *arg)
run_scrn_saver = TRUE;
}
if ((saver_mode != CONS_LKM_SAVER) || !scrn_idle)
if (scp->status & SAVER_RUNNING)
if (scrn_blanked)
stop_scrn_saver(current_saver);
/* should we just return ? */
@ -2031,12 +2030,13 @@ scrn_timer(void *arg)
}
/* Update the screen */
scp = cur_console;
if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING))
scrn_update(scp, TRUE);
/* should we activate the screen saver? */
if ((saver_mode == CONS_LKM_SAVER) && scrn_idle)
if (!ISGRAPHSC(scp) || (scp->status & SAVER_RUNNING))
if (!ISGRAPHSC(scp) || scrn_blanked)
(*current_saver)(TRUE);
if (arg)
@ -2122,6 +2122,7 @@ scsplash_callback(int event)
switch (event) {
case SPLASH_INIT:
scrn_saver_failed = FALSE;
if (add_scrn_saver(scsplash_saver) == 0) {
run_scrn_saver = TRUE;
if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) {
@ -2149,7 +2150,6 @@ static void
scsplash_saver(int show)
{
static int busy = FALSE;
static int failed = FALSE;
scr_stat *scp;
if (busy)
@ -2158,21 +2158,27 @@ scsplash_saver(int show)
scp = cur_console;
if (show) {
if (!failed) {
if (!scrn_saver_failed) {
if (!scrn_blanked)
set_scrn_saver_mode(scp, -1, NULL, 0);
if (splash(scp->adp, TRUE) == 0) {
switch (splash(scp->adp, TRUE)) {
case 0: /* succeeded */
scrn_blanked = TRUE;
} else {
failed = TRUE;
break;
case EAGAIN: /* try later */
restore_scrn_saver_mode(scp, FALSE);
break;
default:
scrn_saver_failed = TRUE;
scsplash_stick(FALSE);
printf("scsplash_saver(): failed to put up the image\n");
restore_scrn_saver_mode(scp);
restore_scrn_saver_mode(scp, TRUE);
break;
}
}
} else if (!sticky_splash) {
if (scrn_blanked && (splash(scp->adp, FALSE) == 0)) {
restore_scrn_saver_mode(scp);
restore_scrn_saver_mode(scp, TRUE);
scrn_blanked = FALSE;
}
}
@ -2224,7 +2230,7 @@ set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border)
s = spltty();
scp->splash_save_mode = scp->mode;
scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE);
scp->status &= ~PIXEL_MODE;
scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
scp->status |= (UNKNOWN_MODE | SAVER_RUNNING);
splx(s);
if (mode < 0)
@ -2248,7 +2254,7 @@ set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border)
}
static int
restore_scrn_saver_mode(scr_stat *scp)
restore_scrn_saver_mode(scr_stat *scp, int changemode)
{
int mode;
int status;
@ -2259,8 +2265,12 @@ restore_scrn_saver_mode(scr_stat *scp)
mode = scp->mode;
status = scp->status;
scp->mode = scp->splash_save_mode;
scp->status &= ~(UNKNOWN_MODE | GRAPHICS_MODE | SAVER_RUNNING);
scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
scp->status |= scp->splash_save_status;
if (!changemode) {
splx(s);
return 0;
}
if (set_mode(scp) == 0) {
load_palette(scp->adp, palette);
splx(s);
@ -2328,8 +2338,8 @@ switch_scr(scr_stat *scp, u_int next_scr)
{
/* delay switch if actively updating screen */
if (scrn_blanked || write_in_progress || blink_in_progress) {
sc_touch_scrn_saver();
delayed_next_scr = next_scr+1;
sc_touch_scrn_saver();
return 0;
}