Applying a shortening proposal for the run loop of k0ga.

This commit is contained in:
Christoph Lohmann 2012-09-16 20:43:51 +02:00
parent 58a57a2305
commit 426887ccec

19
st.c
View file

@ -2329,13 +2329,13 @@ run(void) {
XEvent ev;
fd_set rfd;
int xfd = XConnectionNumber(xw.dpy), i;
struct timeval drawtimeout;
struct timeval drawtimeout, *tv = NULL;
for(;;) {
for(i = 0;; i++) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, NULL) < 0) {
if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
if(errno == EINTR)
continue;
die("select failed: %s\n", SERRNO);
@ -2345,23 +2345,20 @@ run(void) {
* Stop after a certain number of reads so the user does not
* feel like the system is stuttering.
*/
for(i = 0; i < 1000 && FD_ISSET(cmdfd, &rfd); i++) {
if(i < 1000 && FD_ISSET(cmdfd, &rfd)) {
ttyread();
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
/*
* Just wait a bit so it isn't disturbing the
* user and the system is able to write something.
*/
drawtimeout.tv_sec = 0;
drawtimeout.tv_usec = 5;
if(select(cmdfd+1, &rfd, NULL, NULL, &drawtimeout) < 0) {
if(errno == EINTR)
continue;
die("select failed: %s\n", SERRNO);
}
tv = &drawtimeout;
continue;
}
i = 0;
tv = NULL;
while(XPending(xw.dpy)) {
XNextEvent(xw.dpy, &ev);