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wmsun: Smart display refresh for fewer wake-ups and better responsiveness.

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Patch by Peter Colberg <peterc@gmx.net> for Debian bug #446681 [1].

[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=446681
This commit is contained in:
Doug Torrance 2015-06-14 17:04:52 -05:00 committed by Carlos R. Mafra
parent c968d3f755
commit debdd1b74e
1 changed files with 11 additions and 2 deletions
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13
wmsun/wmsun.c
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@ -61,7 +61,7 @@
/*
* Delay between refreshes (in microseconds)
*/
#define DELAY 10000L
#define DELAY 1000000L
#define WMSUN_VERSION "1.03"
#define DegPerRad 57.29577951308232087680
@ -108,6 +108,8 @@ int main(int argc, char *argv[]) {
long CurrentLocalTime, CurrentGMTTime, date;
double UT, val, LTRise, LTSet, LocalHour, hour24();
int H, M;
struct timeval timeout;
fd_set xfdset;
@ -254,6 +256,11 @@ int main(int argc, char *argv[]) {
/*
* Add X display to file descriptor set for polling.
*/
FD_ZERO(&xfdset);
FD_SET(ConnectionNumber(display), &xfdset);
@ -285,7 +292,9 @@ int main(int argc, char *argv[]) {
* Redraw and wait for next update
*/
RedrawWindow();
usleep(DELAY);
timeout.tv_sec = DELAY / 1000000L;
timeout.tv_usec = DELAY % 1000000L;
select(ConnectionNumber(display) + 1, &xfdset, NULL, NULL, &timeout);
}