X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=quit.h;h=a33543968a87c3926ff11e94bcdb15c7cdd58b03;hb=f1be666c7d78939ad775078d290bec2758fa29a2;hp=57de7a003a59d48ee51f3a4143c6e3241f1b2656;hpb=726f63884db0132f01745f1fb4465e6621088ccf;p=platform%2Fupstream%2Fbash.git diff --git a/quit.h b/quit.h index 57de7a0..a335439 100644 --- a/quit.h +++ b/quit.h @@ -16,18 +16,38 @@ You should have received a copy of the GNU General Public License along with Bash; see the file COPYING. If not, write to the Free Software - Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ -#if !defined (__QUIT_H__) -#define __QUIT_H__ +#if !defined (_QUIT_H_) +#define _QUIT_H_ /* Non-zero means SIGINT has already ocurred. */ -extern int interrupt_state; - -extern void throw_to_top_level (); - -/* Macro to call a great deal. SIGINT just sets above variable. When - it is safe, put QUIT in the code, and the "interrupt" will take place. */ -#define QUIT if (interrupt_state) throw_to_top_level () - -#endif /* __QUIT_H__ */ +extern volatile int interrupt_state; +extern volatile int terminating_signal; + +/* Macro to call a great deal. SIGINT just sets the interrupt_state variable. + When it is safe, put QUIT in the code, and the "interrupt" will take + place. The same scheme is used for terminating signals (e.g., SIGHUP) + and the terminating_signal variable. That calls a function which will + end up exiting the shell. */ +#define QUIT \ + do { \ + if (terminating_signal) termsig_handler (terminating_signal); \ + if (interrupt_state) throw_to_top_level (); \ + } while (0) + +#define SETINTERRUPT interrupt_state = 1 +#define CLRINTERRUPT interrupt_state = 0 + +#define ADDINTERRUPT interrupt_state++ +#define DELINTERRUPT interrupt_state-- + +/* The same sort of thing, this time just for signals that would ordinarily + cause the shell to terminate. */ + +#define CHECK_TERMSIG \ + do { \ + if (terminating_signal) termsig_handler (terminating_signal); \ + } while (0) + +#endif /* _QUIT_H_ */