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Make the tty pipes non-blocking

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Kovid Goyal 2022-07-03 11:05:14 +05:30
parent a4883e6d41
commit 5098792723
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 3 additions and 1 deletions
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4
prewarm-launcher.h
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@ -205,6 +205,7 @@ open_pty(void) {
while (openpty(&child_master_fd, &child_slave_fd, child_tty_name, &self_termios, &self_winsize) == -1) {
if (errno != EINTR) return false;
}
set_blocking(child_master_fd, false);
return true;
}
@ -233,6 +234,7 @@ setup_signal_handler(void) {
int fds[2];
if (pipe(fds) != 0) return false;
signal_read_fd = fds[0]; signal_write_fd = fds[1];
set_blocking(signal_read_fd, false); set_blocking(signal_write_fd, false);
struct sigaction act = {.sa_sigaction=handle_signal, .sa_flags=SA_SIGINFO | SA_RESTART};
if (sigaction(SIGWINCH, &act, NULL) != 0) return false;
return true;
@ -445,7 +447,7 @@ static void
use_prewarmed_process(int argc, char *argv[]) {
const char *env_addr = getenv("KITTY_PREWARM_SOCKET");
if (!env_addr || !*env_addr || !is_prewarmable(argc, argv)) return;
self_ttyfd = safe_open(ctermid(NULL), O_RDWR, 0);
self_ttyfd = safe_open(ctermid(NULL), O_RDWR | O_NONBLOCK, 0);
#define fail(s) { print_error(s, errno); cleanup(); return; }
if (self_ttyfd == -1) fail("Failed to open controlling terminal");
if (!get_window_size()) fail("Failed to get window size of controlling terminal");