add select(2)-based i/o multiplexing
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parent
a49919a10c
commit
f9a0524f94
1 changed files with 19 additions and 7 deletions
12
std.c
12
std.c
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@ -263,13 +263,23 @@ ungetch(int c) {
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int
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int
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main(int argc, char *argv[]) {
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main(int argc, char *argv[]) {
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fd_set rfds;
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int r;
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if(argc == 2 && !strcmp("-v", argv[1]))
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if(argc == 2 && !strcmp("-v", argv[1]))
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eprint("std-"VERSION", © 2008 Matthias-Christian Ott\n");
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eprint("std-"VERSION", © 2008 Matthias-Christian Ott\n");
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else if(argc == 1)
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else if(argc == 1)
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eprint("usage: st [-v]\n");
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eprint("usage: st [-v]\n");
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getpty();
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getpty();
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shell();
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shell();
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FD_ZERO(&rfds);
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FD_SET(STDIN_FILENO, &rfds);
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FD_SET(ptm, &rfds);
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for(;;) {
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for(;;) {
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r = select(ptm + 1, &rfds, NULL, NULL, NULL);
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if(r == -1)
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eprintn("error, cannot select");
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if(FD_ISSET(ptm, &rfds)) {
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c = getch();
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c = getch();
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switch(c) {
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switch(c) {
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case '\033':
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case '\033':
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@ -278,6 +288,8 @@ main(int argc, char *argv[]) {
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default:
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default:
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putchar(c);
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putchar(c);
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}
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}
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fflush(stdout);
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}
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}
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}
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return 0;
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return 0;
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}
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}
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