mirror of
https://github.com/python/cpython.git
synced 2024-11-28 16:45:42 +01:00
acbe8da4f8
* Makefile: removed superfluous AR=ar, fixed misleading comment. * ceval.c: fixed debugging code; save/restore errors in locals_2_fast. * intrcheck.c: for SunOS etc., turn off syscall resumption. * regexpr.h: bump number of registers to 100.
164 lines
3.3 KiB
C
164 lines
3.3 KiB
C
/***********************************************************
|
|
Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
|
|
Amsterdam, The Netherlands.
|
|
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
provided that the above copyright notice appear in all copies and that
|
|
both that copyright notice and this permission notice appear in
|
|
supporting documentation, and that the names of Stichting Mathematisch
|
|
Centrum or CWI not be used in advertising or publicity pertaining to
|
|
distribution of the software without specific, written prior permission.
|
|
|
|
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
|
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
|
|
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
|
|
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
******************************************************************/
|
|
|
|
/* Check for interrupts */
|
|
|
|
#ifdef THINK_C
|
|
/* This is for THINK C 4.0.
|
|
For 3.0, you may have to remove the signal stuff. */
|
|
#include <MacHeaders>
|
|
#define macintosh
|
|
#endif
|
|
|
|
#include "PROTO.h"
|
|
#include "intrcheck.h"
|
|
|
|
|
|
#ifdef MSDOS
|
|
|
|
/* This might work for MS-DOS (untested though): */
|
|
|
|
void
|
|
initintr()
|
|
{
|
|
}
|
|
|
|
int
|
|
intrcheck()
|
|
{
|
|
int interrupted = 0;
|
|
while (kbhit()) {
|
|
if (getch() == '\003')
|
|
interrupted = 1;
|
|
}
|
|
return interrupted;
|
|
}
|
|
|
|
#define OK
|
|
|
|
#endif
|
|
|
|
|
|
#ifdef macintosh
|
|
|
|
#ifdef applec /* MPW */
|
|
#include <OSEvents.h>
|
|
#include <SysEqu.h>
|
|
#endif
|
|
|
|
#include <signal.h>
|
|
#include "sigtype.h"
|
|
|
|
static int interrupted;
|
|
|
|
static SIGTYPE intcatcher PROTO((int));
|
|
static SIGTYPE
|
|
intcatcher(sig)
|
|
int sig;
|
|
{
|
|
interrupted = 1;
|
|
signal(SIGINT, intcatcher);
|
|
}
|
|
|
|
void
|
|
initintr()
|
|
{
|
|
if (signal(SIGINT, SIG_IGN) != SIG_IGN)
|
|
signal(SIGINT, intcatcher);
|
|
}
|
|
|
|
int
|
|
intrcheck()
|
|
{
|
|
register EvQElPtr q;
|
|
|
|
q = (EvQElPtr) GetEvQHdr()->qHead;
|
|
|
|
for (; q; q = (EvQElPtr)q->qLink) {
|
|
if (q->evtQWhat == keyDown &&
|
|
(char)q->evtQMessage == '.' &&
|
|
(q->evtQModifiers & cmdKey) != 0) {
|
|
FlushEvents(keyDownMask, 0);
|
|
interrupted = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (interrupted) {
|
|
interrupted = 0;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define OK
|
|
|
|
#endif /* macintosh */
|
|
|
|
|
|
#ifndef OK
|
|
|
|
/* Default version -- for real operating systems and for Standard C */
|
|
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include "sigtype.h"
|
|
|
|
static int interrupted;
|
|
|
|
/* ARGSUSED */
|
|
static SIGTYPE
|
|
intcatcher(sig)
|
|
int sig; /* Not used by required by interface */
|
|
{
|
|
interrupted = 1;
|
|
signal(SIGINT, intcatcher);
|
|
}
|
|
|
|
void
|
|
initintr()
|
|
{
|
|
if (signal(SIGINT, SIG_IGN) != SIG_IGN)
|
|
signal(SIGINT, intcatcher);
|
|
#ifdef SV_INTERRUPT
|
|
/* This is for SunOS and other modern BSD derivatives.
|
|
It means that system calls (like read()) are not restarted
|
|
after an interrupt. This is necessary so interrupting a
|
|
read() or readline() call works as expected.
|
|
XXX On old BSD (pure 4.2 or older) you may have to do this
|
|
differently! */
|
|
siginterrupt(SIGINT, 1);
|
|
#endif
|
|
}
|
|
|
|
int
|
|
intrcheck()
|
|
{
|
|
if (!interrupted)
|
|
return 0;
|
|
interrupted = 0;
|
|
return 1;
|
|
}
|
|
|
|
#endif /* !OK */
|