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Restore terminal modes after sending SIGCONT

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Fixes #2214

Thanks to @bruce-hill for the patch.
This commit is contained in:
ridiculousfish 2019-09-01 17:08:51 -07:00
parent 068aba1902
commit 9fd9f70346
1 changed files with 16 additions and 15 deletions
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31
src/proc.cpp
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@ -823,7 +823,7 @@ pid_t terminal_acquire_before_builtin(int job_pgid) {
/// Returns control of the terminal to the shell, and saves the terminal attribute state to the job,
/// so that we can restore the terminal ownership to the job at a later time.
static bool terminal_return_from_job(job_t *j) {
static bool terminal_return_from_job(job_t *j, int restore_attrs) {
errno = 0;
if (j->pgid == 0) {
debug(2, "terminal_return_from_job() returning early due to no process group");
@ -845,19 +845,17 @@ static bool terminal_return_from_job(job_t *j) {
return false;
}
// Disabling this per
// https://github.com/adityagodbole/fish-shell/commit/9d229cd18c3e5c25a8bd37e9ddd3b67ddc2d1b72 On
// Linux, 'cd . ; ftp' prevents you from typing into the ftp prompt. See
// https://github.com/fish-shell/fish-shell/issues/121
#if 0
// Restore the shell's terminal modes.
if (tcsetattr(STDIN_FILENO, TCSADRAIN, &shell_modes) == -1) {
if (errno == EIO) redirect_tty_output();
debug(1, _(L"Could not return shell to foreground"));
wperror(L"tcsetattr");
return false;
}
#endif
// Need to restore the terminal's attributes or `bind \cF fg` will put the
// terminal into a broken state (until "enter" is pressed).
// See: https://github.com/fish-shell/fish-shell/issues/2114
if (restore_attrs) {
if (tcsetattr(STDIN_FILENO, TCSADRAIN, &shell_modes) == -1) {
if (errno == EIO) redirect_tty_output();
debug(1, _(L"Could not return shell to foreground"));
wperror(L"tcsetattr");
return false;
}
}
return true;
}
@ -876,7 +874,10 @@ void job_t::continue_job(parser_t &parser, bool reclaim_foreground_pgrp, bool se
bool term_transferred = false;
cleanup_t take_term_back([&]() {
if (term_transferred && reclaim_foreground_pgrp) {
terminal_return_from_job(this);
// Only restore terminal attrs if we're continuing a job. See:
// https://github.com/fish-shell/fish-shell/issues/121
// https://github.com/fish-shell/fish-shell/issues/2114
terminal_return_from_job(this, send_sigcont);
}
});