Zynh0722/dwm
1
0
Fork 0
forked from mirror/dwm
Code Pull requests Activity

if stdin writer stops working, dwm consumed much IO load because it still tried to select on this fd, fixed

Browse source
This commit is contained in:
Anselm R. Garbe 2006-07-14 17:30:37 +02:00
parent 6475be926b
commit 5b44976a2d
1 changed files with 7 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
main.c
View file

@ -190,6 +190,7 @@ main(int argc, char *argv[])
fd_set rd;
XSetWindowAttributes wa;
unsigned int mask;
Bool readstdin = True;
Window w;
XEvent ev;
@ -283,7 +284,8 @@ main(int argc, char *argv[])
Mainloop:
while(running) {
FD_ZERO(&rd);
FD_SET(STDIN_FILENO, &rd);
if(readstdin)
FD_SET(STDIN_FILENO, &rd);
FD_SET(ConnectionNumber(dpy), &rd);
i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0);
@ -299,11 +301,13 @@ Mainloop:
(handler[ev.type])(&ev); /* call handler */
}
}
if(FD_ISSET(STDIN_FILENO, &rd)) {
if(readstdin && FD_ISSET(STDIN_FILENO, &rd)) {
i = n = 0;
for(;;) {
if((i = getchar()) == EOF) {
stext[0] = 0;
/* broken pipe/end of producer */
readstdin = False;
strcpy(stext, "broken pipe");
goto Mainloop;
}
if(i == '\n' || n >= sizeof(stext) - 1)