diff options
Diffstat (limited to 'lib/readline/callback.c')
| -rw-r--r-- | lib/readline/callback.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/lib/readline/callback.c b/lib/readline/callback.c index fafe5a5a..cc3ce11f 100644 --- a/lib/readline/callback.c +++ b/lib/readline/callback.c @@ -50,6 +50,14 @@ _rl_callback_func_t *_rl_callback_func = 0; _rl_callback_generic_arg *_rl_callback_data = 0; +/* Applications can set this to non-zero to have readline's signal handlers + installed during the entire duration of reading a complete line, as in + readline-6.2. This should be used with care, because it can result in + readline receiving signals and not handling them until it's called again + via rl_callback_read_char, thereby stealing them from the application. + By default, signal handlers are only active while readline is active. */ +int rl_persistent_signal_handlers = 0; + /* **************************************************************** */ /* */ /* Callback Readline Functions */ @@ -82,6 +90,11 @@ _rl_callback_newline () if (rl_prep_term_function) (*rl_prep_term_function) (_rl_meta_flag); + +#if defined (HANDLE_SIGNALS) + if (rl_persistent_signal_handlers) + rl_set_signals (); +#endif } readline_internal_setup (); @@ -103,7 +116,8 @@ rl_callback_handler_install (prompt, linefunc) #if defined (HANDLE_SIGNALS) #define CALLBACK_READ_RETURN() \ do { \ - rl_clear_signals (); \ + if (rl_persistent_signal_handlers == 0) \ + rl_clear_signals (); \ return; \ } while (0) #else @@ -140,7 +154,8 @@ rl_callback_read_char () #if defined (HANDLE_SIGNALS) /* Install signal handlers only when readline has control. */ - rl_set_signals (); + if (rl_persistent_signal_handlers == 0) + rl_set_signals (); #endif do |