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Correctly restore terminal state on suspend

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This commit is contained in:
Maxime Coste 2019-09-12 21:48:48 +10:00
parent afd5006e8b
commit bfc07b53a2
1 changed files with 4 additions and 1 deletions
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5
src/ncurses_ui.cc
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@ -398,19 +398,22 @@ void NCursesUI::suspend()
{
bool mouse_enabled = m_mouse_enabled;
enable_mouse(false);
tcsetattr(STDIN_FILENO, TCSAFLUSH, &m_original_termios);
endwin();
auto current = set_signal_handler(SIGTSTP, SIG_DFL);
sigset_t unblock_sigtstp, old_mask;
sigemptyset(&unblock_sigtstp);
sigaddset(&unblock_sigtstp, SIGTSTP);
sigprocmask(SIG_UNBLOCK, &unblock_sigtstp, &old_mask);
tcsetattr(STDIN_FILENO, TCSAFLUSH, &m_original_termios);
raise(SIGTSTP); // suspend here
tcsetattr(STDIN_FILENO, TCSAFLUSH, &m_original_termios);
set_signal_handler(SIGTSTP, current);
sigprocmask(SIG_SETMASK, &old_mask, nullptr);
doupdate();
check_resize(true);
set_raw_mode();
enable_mouse(mouse_enabled);