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authorAnselm R. Garbe <garbeam@wmii.de>2006-07-14 17:30:37 +0200
committerAnselm R. Garbe <garbeam@wmii.de>2006-07-14 17:30:37 +0200
commit5b44976a2d8bdd1397727663ce019374d6b2730a (patch)
tree2376691581648321ea368e5846541a1ac08abe71
parent6475be926bef4916ce632988a2fa408a637babc7 (diff)
if stdin writer stops working, dwm consumed much IO load because it still tried to select on this fd, fixed
-rw-r--r--main.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/main.c b/main.c
index 42c9d8a..b59ff96 100644
--- a/main.c
+++ b/main.c
@@ -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)