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authorMatthias-Christian Ott <ott@enolink.de>2008-06-14 23:24:12 +0200
committerMatthias-Christian Ott <ott@enolink.de>2008-06-14 23:24:12 +0200
commitf9a0524f9430147a3e4a0d200cb3bbd54d1448a4 (patch)
tree302c841b83e9be705defb0ab1af51ce1fa656c08
parenta49919a10c11c141f1bfb8414d5c8d2ca9d4a90e (diff)
add select(2)-based i/o multiplexing
-rw-r--r--std.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/std.c b/std.c
index 961ca55..fbabaa4 100644
--- a/std.c
+++ b/std.c
@@ -263,20 +263,32 @@ ungetch(int c) {
int
main(int argc, char *argv[]) {
+ fd_set rfds;
+ int r;
+
if(argc == 2 && !strcmp("-v", argv[1]))
eprint("std-"VERSION", © 2008 Matthias-Christian Ott\n");
else if(argc == 1)
eprint("usage: st [-v]\n");
getpty();
shell();
+ FD_ZERO(&rfds);
+ FD_SET(STDIN_FILENO, &rfds);
+ FD_SET(ptm, &rfds);
for(;;) {
- c = getch();
- switch(c) {
- case '\033':
- parseesc();
- break;
- default:
- putchar(c);
+ r = select(ptm + 1, &rfds, NULL, NULL, NULL);
+ if(r == -1)
+ eprintn("error, cannot select");
+ if(FD_ISSET(ptm, &rfds)) {
+ c = getch();
+ switch(c) {
+ case '\033':
+ parseesc();
+ break;
+ default:
+ putchar(c);
+ }
+ fflush(stdout);
}
}
return 0;