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comparison src/signal.c @ 223:2c611d1463a6 r20-4b10

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Import from CVS: tag r20-4b10
author cvs
date Mon, 13 Aug 2007 10:10:54 +0200
parents 41ff10fd062f
children 677f6a0ee643
comparison
equal deleted inserted replaced
222:aae4c8b01452 223:2c611d1463a6
178 Do NOT set alarm_happened, because we don't want anyone 178 Do NOT set alarm_happened, because we don't want anyone
179 looking at the timeout queue. We didn't set it and 179 looking at the timeout queue. We didn't set it and
180 it needs to stay the way it is. */ 180 it needs to stay the way it is. */
181 quit_check_signal_happened = 1; 181 quit_check_signal_happened = 1;
182 182
183 #ifdef _WIN32
184 can_break_system_calls = 0;
185 #else
183 /* can_break_system_calls is set when we want to break out of 186 /* can_break_system_calls is set when we want to break out of
184 non-interruptible system calls. */ 187 non-interruptible system calls. */
185 if (can_break_system_calls) 188 if (can_break_system_calls)
186 { 189 {
187 /* reset the flag for safety and such. Do this *before* 190 /* reset the flag for safety and such. Do this *before*
190 can_break_system_calls = 0; 193 can_break_system_calls = 0;
191 EMACS_UNBLOCK_SIGNAL (signo); 194 EMACS_UNBLOCK_SIGNAL (signo);
192 EMACS_REESTABLISH_SIGNAL (signo, alarm_signal); 195 EMACS_REESTABLISH_SIGNAL (signo, alarm_signal);
193 LONGJMP (break_system_call_jump, 0); 196 LONGJMP (break_system_call_jump, 0);
194 } 197 }
198 #endif
195 199
196 EMACS_REESTABLISH_SIGNAL (signo, alarm_signal); 200 EMACS_REESTABLISH_SIGNAL (signo, alarm_signal);
197 SIGRETURN; 201 SIGRETURN;
198 } 202 }
199 203
205 place to do arbitrary stuff like run asynch. handlers, but 209 place to do arbitrary stuff like run asynch. handlers, but
206 it needs to know whether the poll-for-quit asynch. timeout 210 it needs to know whether the poll-for-quit asynch. timeout
207 went off. Rather than put the code in to compute this 211 went off. Rather than put the code in to compute this
208 specially, we just set this flag. Should fix this. */ 212 specially, we just set this flag. Should fix this. */
209 quit_check_signal_happened = 1; 213 quit_check_signal_happened = 1;
214
215 #ifdef HAVE_UNIXOID_EVENT_LOOP
210 signal_fake_event (); 216 signal_fake_event ();
217 #endif
211 218
212 EMACS_REESTABLISH_SIGNAL (signo, alarm_signal); 219 EMACS_REESTABLISH_SIGNAL (signo, alarm_signal);
213 SIGRETURN; 220 SIGRETURN;
214 } 221 }
215 222
436 #endif /* ! (defined (ERROR_CHECKING) && defined (MACROIZE_ERROR_CHECKING)) */ 443 #endif /* ! (defined (ERROR_CHECKING) && defined (MACROIZE_ERROR_CHECKING)) */
437 { 444 {
438 /* Else request quit when it's safe */ 445 /* Else request quit when it's safe */
439 Vquit_flag = Qt; 446 Vquit_flag = Qt;
440 sigint_happened = 1; 447 sigint_happened = 1;
448 #ifdef HAVE_UNIXOID_EVENT_LOOP
441 signal_fake_event (); 449 signal_fake_event ();
450 #endif
442 } 451 }
443 errno = old_errno; 452 errno = old_errno;
444 SIGRETURN; 453 SIGRETURN;
445 } 454 }
446 455