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fix(events): crash on SIGTSTP (Ctrl-Z) #33258

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Problem:
Nvim crashes on receive SIGTSTP (Ctrl-Z) since 4dabeff308.

Solution:
* Don't exit on SIGTSTP (not a deadly signal).
* Avoid SIGTSTP handler in os/signal.c.

Co-authored-by: 27Onion Nebell <zzy20080201@gmail.com>
This commit is contained in:
phanium
2025-04-02 23:12:19 +08:00
committed by GitHub
parent 3af43cffa0
commit 0b61bc8982
2 changed files with 7 additions and 2 deletions
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6
src/nvim/os/signal.c
View File

@@ -212,10 +212,14 @@ static void on_signal(SignalWatcher *handle, int signum, void *data)
// Ignore // Ignore
break; break;
#endif #endif
case SIGTERM:
#ifdef SIGTSTP #ifdef SIGTSTP
case SIGTSTP: case SIGTSTP:
if (p_awa) {
autowrite_all();
}
break;
#endif #endif
case SIGTERM:
#ifdef SIGQUIT #ifdef SIGQUIT
case SIGQUIT: case SIGQUIT:
#endif #endif

3
src/nvim/tui/tui.c
View File

@@ -1576,7 +1576,8 @@ void tui_suspend(TUIData *tui)
tui_terminal_stop(tui); tui_terminal_stop(tui);
stream_set_blocking(tui->input.in_fd, true); // normalize stream (#2598) stream_set_blocking(tui->input.in_fd, true); // normalize stream (#2598)
kill(0, SIGTSTP); // Avoid os/signal.c SIGTSTP handler. ex_stop calls auto_writeall. #33258
kill(0, SIGSTOP);
tui_terminal_start(tui); tui_terminal_start(tui);
tui_terminal_after_startup(tui); tui_terminal_after_startup(tui);