aewl
changeset 65:4f7b232bd72d
if stdin writer stops working, dwm consumed much IO load because it still tried to select on this fd, fixed
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Fri, 14 Jul 2006 17:30:37 +0200 |
| parents | 46d44d185464 |
| children | 50450aa24a46 |
| files | main.c |
| diffstat | 1 files changed, 7 insertions(+), 3 deletions(-) [+] |
line diff
1.1 --- a/main.c Fri Jul 14 13:27:01 2006 +0200 1.2 +++ b/main.c Fri Jul 14 17:30:37 2006 +0200 1.3 @@ -190,6 +190,7 @@ 1.4 fd_set rd; 1.5 XSetWindowAttributes wa; 1.6 unsigned int mask; 1.7 + Bool readstdin = True; 1.8 Window w; 1.9 XEvent ev; 1.10 1.11 @@ -283,7 +284,8 @@ 1.12 Mainloop: 1.13 while(running) { 1.14 FD_ZERO(&rd); 1.15 - FD_SET(STDIN_FILENO, &rd); 1.16 + if(readstdin) 1.17 + FD_SET(STDIN_FILENO, &rd); 1.18 FD_SET(ConnectionNumber(dpy), &rd); 1.19 1.20 i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0); 1.21 @@ -299,11 +301,13 @@ 1.22 (handler[ev.type])(&ev); /* call handler */ 1.23 } 1.24 } 1.25 - if(FD_ISSET(STDIN_FILENO, &rd)) { 1.26 + if(readstdin && FD_ISSET(STDIN_FILENO, &rd)) { 1.27 i = n = 0; 1.28 for(;;) { 1.29 if((i = getchar()) == EOF) { 1.30 - stext[0] = 0; 1.31 + /* broken pipe/end of producer */ 1.32 + readstdin = False; 1.33 + strcpy(stext, "broken pipe"); 1.34 goto Mainloop; 1.35 } 1.36 if(i == '\n' || n >= sizeof(stext) - 1)