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Merge pull request #21706 from bfredl/notermios

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refactor(pty): remove old logic for inheriting termios from host terminal
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bfredl 2023-01-11 13:19:01 +01:00 committed by GitHub
commit 80a02d1cef
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2 changed files with 2 additions and 37 deletions
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9
src/nvim/main.c
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@ -279,15 +279,6 @@ int main(int argc, char **argv)
// argument list "global_alist".
command_line_scan(&params);
#ifndef MSWIN
int tty_fd = params.input_isatty
? STDIN_FILENO
: (params.output_isatty
? STDOUT_FILENO
: (params.err_isatty ? STDERR_FILENO : -1));
pty_process_save_termios(tty_fd);
#endif
nlua_init(argv, argc, params.lua_arg0);
TIME_MSG("init lua interpreter");

30
src/nvim/os/pty_process_unix.c
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@ -160,39 +160,13 @@ static pid_t forkpty(int *amaster, char *name, struct termios *termp, struct win
#endif
/// termios saved at startup (for TUI) or initialized by pty_process_spawn().
static struct termios termios_default;
/// Saves the termios properties associated with `tty_fd`.
///
/// @param tty_fd TTY file descriptor, or -1 if not in a terminal.
void pty_process_save_termios(int tty_fd)
{
if (embedded_mode) {
// TODO(bfredl): currently we cannot use the state of the host terminal in
// the server. when the TUI process launches the server, the state has already
// changed. we would need to serialize termios_default in the TUI process and
// transmit it. Altough, just always using the clean slate of init_termios() might
// be preferrable anyway.
return;
}
if (tty_fd == -1) {
return;
}
int rv = tcgetattr(tty_fd, &termios_default);
if (rv != 0) {
ELOG("tcgetattr failed (tty_fd=%d): %s", tty_fd, strerror(errno));
} else {
DLOG("tty_fd=%d", tty_fd);
}
}
/// @returns zero on success, or negative error code
int pty_process_spawn(PtyProcess *ptyproc)
FUNC_ATTR_NONNULL_ALL
{
// termios initialized at first use
static struct termios termios_default;
if (!termios_default.c_cflag) {
// TODO(jkeyes): We could pass NULL to forkpty() instead ...
init_termios(&termios_default);
}