Hi,
On Mon, Aug 29, 2011 at 9:55 PM, Arnaud Lacombe <lacombar@xxxxxxxxx> wrote:
> Hi,
>
> On Sun, Aug 21, 2011 at 9:04 PM, Davidlohr Bueso <dave@xxxxxxx> wrote:
>> From: Davidlohr Bueso <dave@xxxxxxx>
>>
>> I recently got bitten in the ass when pressing Ctrl-C and lost all my current configuration changes. This patch captures SIGINT and allows the user to save any changes.
>> Some code refactoring was made in order to handle the exit behavior.
>>
>> Signed-off-by: Davidlohr Bueso <dave@xxxxxxx>
>> Signed-off-by: Arnaud Lacombe <lacombar@xxxxxxxxx>
>> ---
>> scripts/kconfig/mconf.c | 86 ++++++++++++++++++++++++++++------------------
>> 1 files changed, 52 insertions(+), 34 deletions(-)
>>
>> diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
>> index 820d2b6..19e200d 100644
>> --- a/scripts/kconfig/mconf.c
>> +++ b/scripts/kconfig/mconf.c
>> @@ -15,6 +15,7 @@
>> #include <stdarg.h>
>> #include <stdlib.h>
>> #include <string.h>
>> +#include <signal.h>
>> #include <unistd.h>
>> #include <locale.h>
>>
>> @@ -272,6 +273,7 @@ static struct menu *current_menu;
>> static int child_count;
>> static int single_menu_mode;
>> static int show_all_options;
>> +static int saved_x, saved_y;
>>
>> static void conf(struct menu *menu);
>> static void conf_choice(struct menu *menu);
>> @@ -792,9 +794,54 @@ static void conf_save(void)
>> }
>> }
>>
>> +static int handle_exit(void)
>> +{
>> + int res;
>> +
>> + dialog_clear();
>> + if (conf_get_changed())
>> + res = dialog_yesno(NULL,
>> + _("Do you wish to save your new configuration ?\n"
>> + "<ESC><ESC> to continue."),
>> + 6, 60);
>> + else
>> + res = -1;
>> +
>> + end_dialog(saved_x, saved_y);
>> +
>> + switch (res) {
>> + case 0:
>> + if (conf_write(filename)) {
>> + fprintf(stderr, _("\n\n"
>> + "Error while writing of the configuration.\n"
>> + "Your configuration changes were NOT saved."
>> + "\n\n"));
>> + return 1;
>> + }
>> + /* fall through */
>> + case -1:
>> + printf(_("\n\n"
>> + "*** End of the configuration.\n"
>> + "*** Execute 'make' to start the build or try 'make help'."
>> + "\n\n"));
>> + res = 0;
>> + break;
>> + default:
>> + fprintf(stderr, _("\n\n"
>> + "Your configuration changes were NOT saved."
>> + "\n\n"));
>> + }
>> +
>> + return res;
>> +}
>> +
>> +static void sig_handler(int signo)
>> +{
>> + exit(handle_exit());
>> +}
>> +
> Actually, no matter what handle_exit() returns, the process will
> return error code 130 and make will abort. I'd suggest to get rid of
> the call to exit(), and only keep handle_exit().
>
> any objection ?
>
stupid me... we need the call to exit(2), but its argument do not seem
to be used.
- Arnaud
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