1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
--- a/ipaq-sleep.c.org 2006-01-20 19:43:14.000000000 +0200
+++ a/ipaq-sleep.c 2007-12-26 06:26:32.000000000 +0200
@@ -27,14 +27,14 @@
#include <X11/Xlib.h>
#include <X11/extensions/scrnsaver.h>
-#undef DEBUG
+#define DEBUG
int irqs[MAX_IRQS]; /* irqs to examine have a value of 1 */
long v, irq_count[MAX_IRQS]; /* holds previous counters of the irq's */
int sleep_idle=3 * 60; /* in seconds */
int dim_idle=1 * 60; /* in seconds */
int daemonize=1;
-int sleep_time = DEFAULT_SLEEP_TIME;
+int sleep_time = 1; //DEFAULT_SLEEP_TIME;
int cpu=1;
int apm=1;
int dimming=1;
@@ -57,6 +57,7 @@
Window root; /* The root window (which holds MIT_SCREEN_SAVER
info). */
XScreenSaverInfo *info; /* The MIT_SCREEN_SAVER info object. */
+int xfd = -1;
int init() {
int first_event, first_error;
@@ -69,6 +70,8 @@
else {
XScreenSaverQueryExtension(dpy, &first_event, &first_error);
root = DefaultRootWindow(dpy);
+ XSelectInput(dpy, root, KeyPressMask | KeyReleaseMask | PointerMotionMask);
+ xfd = ConnectionNumber(dpy);
info = XScreenSaverAllocInfo();
#ifdef DEBUG
if (debug)
@@ -108,7 +111,7 @@
if (fgets (buf, 32, input))
{
if (!strncmp (buf, "on ", 3))
- r = atoi (buf + 4);
+ r = atoi (buf + 3);
else
r = -1;
}
@@ -189,7 +192,7 @@
if (strcmp(func, Lflag)==0) {
dim_level=atoi(value);
#ifdef DEBUG
- if (debug) fprintf(dgfp, "dim_idle=%d\n", dim_idle);
+ if (debug) fprintf(dgfp, "dim_level=%d\n", dim_idle);
#endif
}
if (strcmp(func, aflag)==0) {
@@ -282,6 +285,12 @@
dimming=0;
}
}
+ if (strcmp(func, Lflag)==0) {
+ dim_level=atoi(value);
+#ifdef DEBUG
+ if (debug) fprintf(dgfp, "dim_level=%d\n", dim_idle);
+#endif
+ }
if (strcmp(func, aflag)==0) {
apm=atoi(value);
#ifdef DEBUG
@@ -487,8 +496,11 @@
return(1);
}
+ if (info.ac_line_status == AC_LINE_STATUS_UNKNOWN || info.battery_status == BATTERY_STATUS_UNKNOWN)
+ return(0);
+
#ifdef DEBUG
- if (debug) fprintf(dgfp,"You are NOT on external power. Its all good.....\n");
+ if (debug) fprintf(dgfp,"You are NOT on external power. Line status: %d, battery status: %d.\n", info.ac_line_status, info.battery_status);
#endif
runtime = info.battery_time;
if (apm && runtime >= 0 && runtime < battery_level)
@@ -587,12 +599,17 @@
}
+/* X idle status checked every sleep_time,
+ other boring and expensive stuff - sleep_time * CYCLE_INTERLEAVE */
+#define CYCLE_INTERLEAVE 10
+
/* Keep checking the interrupts. As long as there is activity, do nothing. */
void main_loop (void) {
- int activity, i, total_unused=0, apm_active=0, old_apm=0;
+ int activity, i, apm_active=0, old_apm=0, last_active = time(NULL);
int dimmed=0, current_bl=32;
int newIdle, oldIdle, lastIdle, oldTime, newTime;
char iline[64];
+ int cycle = 0;
Time idleTime; /* milliseconds */
FILE *f;
@@ -656,6 +673,9 @@
if (dimming && !dimmed && !apm_active) {
if ((newIdle-oldIdle)>=dim_idle) {
current_bl = read_backlight ();
+#ifdef DEBUG
+ if (debug) fprintf(dgfp, "Dim timeout. Current bl value=%d, setting to=%d\n", current_bl, dim_level);
+#endif
set_backlight (dim_level);
dimmed=1;
}
@@ -664,6 +684,11 @@
lastIdle=newIdle;
}
+
+ cycle++;
+ cycle %= CYCLE_INTERLEAVE;
+ if (cycle)
+ goto sleep;
apm_active=check_apm();
if (apm_active) {
@@ -698,17 +723,15 @@
}
if (activity) {
- total_unused = 0;
+ last_active = time(NULL);
}
else {
- total_unused += sleep_time;
- if (total_unused >= sleep_idle && sleeping) {
+ if (time(NULL) - last_active >= sleep_idle && sleeping) {
if (check_cpu() || check_PID() || probe_IRQs()) {
#ifdef DEBUG
if (debug) fprintf(dgfp,"You cannot sleep at this time! Not going to sleep....\n");
#endif
- total_unused=0;
oldIdle=newIdle;
}
else {
@@ -718,24 +741,37 @@
do_sleep ();
set_backlight (current_bl);
dimmed=0;
- total_unused=0;
+ last_active = time(NULL);
}
}
}
+sleep:
#ifdef DEBUG
if (debug) fflush(dgfp);
#endif
- sleep(sleep_time);
+ {
+ struct timeval tv;
+ fd_set readset;
+ FD_ZERO(&readset);
+ if (xfd != -1)
+ FD_SET(xfd, &readset);
+ tv.tv_sec = 1;
+ tv.tv_usec = 0;
+#ifdef DEBUG
+ if (debug) fprintf(dgfp, "select=%d, tv_sec=%d, tv_usec=%d\n", select(xfd+1, &readset, NULL, NULL, &tv), tv.tv_sec, tv.tv_usec);
+#endif
+ }
+
newTime=time(NULL);
- if (oldTime && newTime-sleep_time > oldTime +1) {
+ if (oldTime && newTime-sleep_time > oldTime +2) {
#ifdef DEBUG
if (debug)
- fprintf(stderr, "%i sec sleep; resetting timer and resetting dimmer...", (int)(newTime - oldTime));
+ fprintf(dgfp, "%i sec sleep, apparently, was suspended; resetting timer and resetting dimmer...", (int)(newTime - oldTime));
#endif
- total_unused=0;
+ last_active = time(NULL);
query_idle(&idleTime);
lastIdle=oldIdle=(int)idleTime;
|
