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* utils.c (request_quit): Re-establish signal handler regardless 

of USG.

	* config/mips/xm-irix4.h: Define HAVE_TERMIOS.
This commit is contained in:
Jim Kingdon 1994-01-15 03:43:01 +00:00
parent 9850662034
commit 44a09a68f2
3 changed files with 81 additions and 19 deletions
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8
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
Fri Jan 14 14:17:06 1994 Jim Kingdon (kingdon@lioth.cygnus.com)
* utils.c (request_quit): Re-establish signal handler regardless
of USG.
* config/mips/xm-irix4.h: Define HAVE_TERMIOS.
Fri Jan 14 21:55:39 1994 Jim Kingdon (kingdon@lioth.cygnus.com)
* i960-tdep.c: Include target.h.
@ -13,6 +20,7 @@ Fri Jan 14 11:06:10 1994 Jim Kingdon (kingdon@deneb.cygnus.com)
* config/nm-lynx.h: Fix child_wait prototype and include target.h.
Fri Jan 14 14:17:06 1994 Jim Kingdon (kingdon@lioth.cygnus.com)
>>>>>>> 1.2118
* Makefile.in (ALLPARAM): Add config/nm-lynx.h.

4
gdb/config/mips/xm-irix4.h
View File

@ -28,3 +28,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define PSIGNAL_IN_SIGNAL_H
#define BROKEN_SIGINFO_H /* <sys/siginfo.h> si_pid & si_uid are bogus */
/* Irix 4.0.1 and later have termios. Not sure about earlier versions. */
#undef HAVE_TERMIO
#define HAVE_TERMIOS

88
gdb/utils.c
View File

@ -402,6 +402,9 @@ print_sys_errmsg (string, errcode)
strcat (combined, ": ");
strcat (combined, err);
/* We want anything which was printed on stdout to come out first, before
this message. */
gdb_flush (gdb_stdout);
fprintf_unfiltered (gdb_stderr, "%s.\n", combined);
}
@ -413,10 +416,21 @@ quit ()
serial_t gdb_stdout_serial = serial_fdopen (1);
target_terminal_ours ();
wrap_here ((char *)0); /* Force out any pending output */
/* We want all output to appear now, before we print "Quit". We
have 3 levels of buffering we have to flush (it's possible that
some of these should be changed to flush the lower-level ones
too): */
/* 1. The _filtered buffer. */
wrap_here ((char *)0);
/* 2. The stdio buffer. */
gdb_flush (gdb_stdout);
gdb_flush (gdb_stderr);
/* 3. The system-level buffer. */
SERIAL_FLUSH_OUTPUT (gdb_stdout_serial);
SERIAL_UN_FDOPEN (gdb_stdout_serial);
/* Don't use *_filtered; we don't want to prompt the user to continue. */
@ -446,16 +460,49 @@ pollquit()
if (kbhit ())
{
int k = getkey ();
if (k == 1)
if (k == 1) {
quit_flag = 1;
else if (k == 2)
quit();
}
else if (k == 2) {
immediate_quit = 1;
quit ();
quit ();
}
else
{
/* We just ignore it */
fprintf_unfiltered (gdb_stderr, "CTRL-A to quit, CTRL-B to quit harder\n");
}
}
}
#endif
#endif
#ifdef __GO32__
void notice_quit()
{
if (kbhit ())
{
int k = getkey ();
if (k == 1) {
quit_flag = 1;
}
else if (k == 2)
{
immediate_quit = 1;
}
else
{
fprintf_unfiltered (gdb_stderr, "CTRL-A to quit, CTRL-B to quit harder\n");
}
}
}
#else
void notice_quit()
{
/* Done by signals */
}
#endif
/* Control C comes here */
void
@ -464,10 +511,10 @@ request_quit (signo)
{
quit_flag = 1;
#ifdef USG
/* Restore the signal handler. */
/* Restore the signal handler. Harmless with BSD-style signals, needed
for System V-style signals. So just always do it, rather than worrying
about USG defines and stuff like that. */
signal (signo, request_quit);
#endif
if (immediate_quit)
quit ();
@ -1075,16 +1122,6 @@ gdb_fopen (name, mode)
return fopen (name, mode);
}
/* Like fputs but pause after every screenful, and can wrap at points
other than the final character of a line.
Unlike fputs, fputs_filtered does not return a value.
It is OK for LINEBUFFER to be NULL, in which case just don't print
anything.
Note that a longjmp to top level may occur in this routine
(since prompt_for_continue may do so) so this routine should not be
called when cleanups are not in place. */
void
gdb_flush (stream)
FILE *stream;
@ -1092,6 +1129,19 @@ gdb_flush (stream)
fflush (stream);
}
/* Like fputs but if FILTER is true, pause after every screenful.
Regardless of FILTER can wrap at points other than the final
character of a line.
Unlike fputs, fputs_maybe_filtered does not return a value.
It is OK for LINEBUFFER to be NULL, in which case just don't print
anything.
Note that a longjmp to top level may occur in this routine (only if
FILTER is true) (since prompt_for_continue may do so) so this
routine should not be called when cleanups are not in place. */
static void
fputs_maybe_filtered (linebuffer, stream, filter)
const char *linebuffer;