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

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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
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8
main.c
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@ -190,6 +190,7 @@ main(int argc, char *argv[])
fd_set rd;
XSetWindowAttributes wa;
unsigned int mask;
Bool readstdin = True;
Window w;
XEvent ev;
@ -283,6 +284,7 @@ main(int argc, char *argv[])
Mainloop:
while(running) {
FD_ZERO(&rd);
if(readstdin)
FD_SET(STDIN_FILENO, &rd);
FD_SET(ConnectionNumber(dpy), &rd);
@ -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)