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comparison src/signal.c @ 272:c5d627a313b1 r21-0b34

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Import from CVS: tag r21-0b34
author cvs
date Mon, 13 Aug 2007 10:28:48 +0200
parents 677f6a0ee643
children ca9a9ec9c1c1
comparison
equal deleted inserted replaced
271:c7b7086b0a39 272:c5d627a313b1
18 along with XEmacs; see the file COPYING. If not, write to 18 along with XEmacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */ 20 Boston, MA 02111-1307, USA. */
21 21
22 /* Synched up with: Not synched with FSF. Split out of keyboard.c. */ 22 /* Synched up with: Not synched with FSF. Split out of keyboard.c. */
23
24 /* Just to make sure we don't use any global vars below */
25 #define DONT_DECLARE_MAC_VARS
26 23
27 #include <config.h> 24 #include <config.h>
28 #include "lisp.h" 25 #include "lisp.h"
29 26
30 #include "console.h" 27 #include "console.h"
32 #include "frame.h" 29 #include "frame.h"
33 #include "sysdep.h" 30 #include "sysdep.h"
34 #include "syssignal.h" 31 #include "syssignal.h"
35 #include "systime.h" 32 #include "systime.h"
36 33
34 #ifdef HAVE_UNISTD_H
35 #include <unistd.h>
36 #endif
37 #include <errno.h> 37 #include <errno.h>
38 38
39 /* Set to 1 when a quit-check signal (either a SIGIO interrupt or 39 /* Set to 1 when a quit-check signal (either a SIGIO interrupt or
40 the asynch. timeout for poll-for-quit) occurs. The QUITP 40 the asynch. timeout for poll-for-quit) occurs. The QUITP
41 macro may look at this. */ 41 macro may look at this. */
307 /* If asynch. timeouts are blocked, then don't do anything now, 307 /* If asynch. timeouts are blocked, then don't do anything now,
308 but make this function get called again next QUIT. 308 but make this function get called again next QUIT.
309 309
310 #### This is a bit inefficient because there will be function call 310 #### This is a bit inefficient because there will be function call
311 overhead each time QUIT occurs. */ 311 overhead each time QUIT occurs. */
312 312
313 if (!NILP (Vinhibit_quit)) 313 if (!NILP (Vinhibit_quit))
314 { 314 {
315 something_happened = 1; 315 something_happened = 1;
316 alarm_happened = 1; 316 alarm_happened = 1;
317 return; 317 return;
357 in XEmacs). It will always be nil if XEmacs is not inside of 357 in XEmacs). It will always be nil if XEmacs is not inside of
358 an asynchronout timeout or process callback. 358 an asynchronout timeout or process callback.
359 */ 359 */
360 ()) 360 ())
361 { 361 {
362 return ((waiting_for_user_input_p) ? Qt : Qnil); 362 return waiting_for_user_input_p ? Qt : Qnil;
363 } 363 }
364 364
365 365
366 /**********************************************************************/ 366 /**********************************************************************/
367 /* Control-G checking */ 367 /* Control-G checking */
469 dont_check_for_quit = 1; 469 dont_check_for_quit = 1;
470 } 470 }
471 471
472 /* The effect of this function is to set Vquit_flag if the user pressed 472 /* The effect of this function is to set Vquit_flag if the user pressed
473 ^G and discard the ^G, so as to not notice the same ^G again. */ 473 ^G and discard the ^G, so as to not notice the same ^G again. */
474 int 474 int
475 check_quit (void) 475 check_quit (void)
476 { 476 {
477 /* dont_check_for_quit is set in two circumstances: 477 /* dont_check_for_quit is set in two circumstances:
478 478
479 (1) when we are in the process of changing the window 479 (1) when we are in the process of changing the window
518 handle_alarm_going_off (); 518 handle_alarm_going_off ();
519 } 519 }
520 return check_quit (); 520 return check_quit ();
521 } 521 }
522 522
523 523
524 524
525 void 525 void
526 init_poll_for_quit (void) 526 init_poll_for_quit (void)
527 { 527 {
528 #if !defined (SIGIO) && !defined (DONT_POLL_FOR_QUIT) 528 #if !defined (SIGIO) && !defined (DONT_POLL_FOR_QUIT)