/* Low level interface to ptrace, for GDB when running under Unix.
- Copyright 1986-87, 1989, 1991-92, 1995, 1998 Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GDB.
#include "frame.h"
#include "inferior.h"
#include "command.h"
-#include "signals.h"
#include "serial.h"
#include "terminal.h"
#include "target.h"
#include <sys/select.h>
#endif
-#ifdef HAVE_TERMIOS
-#define PROCESS_GROUP_TYPE pid_t
-#endif
-
-#ifdef HAVE_TERMIO
-#define PROCESS_GROUP_TYPE int
-#endif
-
-#ifdef HAVE_SGTTY
-#ifdef SHORT_PGRP
-/* This is only used for the ultra. Does it have pid_t? */
-#define PROCESS_GROUP_TYPE short
-#else
-#define PROCESS_GROUP_TYPE int
-#endif
-#endif /* sgtty */
+#include "inflow.h"
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
\f
/* Record terminal status separately for debugger and inferior. */
-static serial_t stdin_serial;
+static struct serial *stdin_serial;
/* TTY state for the inferior. We save it whenever the inferior stops, and
restore it when it resumes. */
case no:
return 0;
case have_not_checked:
- /* Get all the current tty settings (including whether we have a tty at
- all!). Can't do this in _initialize_inflow because SERIAL_FDOPEN
- won't work until the serial_ops_list is initialized. */
+ /* Get all the current tty settings (including whether we have a
+ tty at all!). Can't do this in _initialize_inflow because
+ serial_fdopen() won't work until the serial_ops_list is
+ initialized. */
#ifdef F_GETFL
tflags_ours = fcntl (0, F_GETFL, 0);
#endif
gdb_has_a_terminal_flag = no;
- stdin_serial = SERIAL_FDOPEN (0);
+ stdin_serial = serial_fdopen (0);
if (stdin_serial != NULL)
{
- our_ttystate = SERIAL_GET_TTY_STATE (stdin_serial);
+ our_ttystate = serial_get_tty_state (stdin_serial);
if (our_ttystate != NULL)
{
#define OOPSY(what) \
if (result == -1) \
fprintf_unfiltered(gdb_stderr, "[%s failed in terminal_inferior: %s]\n", \
- what, strerror (errno))
+ what, safe_strerror (errno))
static void terminal_ours_1 (int);
{
if (gdb_has_a_terminal ())
{
- /* We could just as well copy our_ttystate (if we felt like adding
- a new function SERIAL_COPY_TTY_STATE). */
+ /* We could just as well copy our_ttystate (if we felt like
+ adding a new function serial_copy_tty_state()). */
if (inferior_ttystate)
- free (inferior_ttystate);
- inferior_ttystate = SERIAL_GET_TTY_STATE (stdin_serial);
+ xfree (inferior_ttystate);
+ inferior_ttystate = serial_get_tty_state (stdin_serial);
#ifdef PROCESS_GROUP_TYPE
inferior_process_group = pgrp;
}
}
+/* Save the terminal settings again. This is necessary for the TUI
+ when it switches to TUI or non-TUI mode; curses changes the terminal
+ and gdb must be able to restore it correctly. */
+
+void
+terminal_save_ours (void)
+{
+ if (gdb_has_a_terminal ())
+ {
+ /* We could just as well copy our_ttystate (if we felt like adding
+ a new function serial_copy_tty_state). */
+ if (our_ttystate)
+ xfree (our_ttystate);
+ our_ttystate = serial_get_tty_state (stdin_serial);
+ }
+}
+
void
terminal_init_inferior (void)
{
debugging target with a version of target_terminal_init_inferior which
passes in the process group to a generic routine which does all the work
(and the non-threaded child_terminal_init_inferior can just pass in
- inferior_pid to the same routine). */
+ inferior_ptid to the same routine). */
/* We assume INFERIOR_PID is also the child's process group. */
- terminal_init_inferior_with_pgrp (PIDGET (inferior_pid));
+ terminal_init_inferior_with_pgrp (PIDGET (inferior_ptid));
#endif /* PROCESS_GROUP_TYPE */
}
/* Because we were careful to not change in or out of raw mode in
terminal_ours, we will not change in our out of raw mode with
this call, so we don't flush any input. */
- result = SERIAL_SET_TTY_STATE (stdin_serial, inferior_ttystate);
+ result = serial_set_tty_state (stdin_serial, inferior_ttystate);
OOPSY ("setting tty state");
if (!job_control)
if (!terminal_is_ours)
{
+#ifdef SIGTTOU
/* Ignore this signal since it will happen when we try to set the
pgrp. */
- void (*osigttou) ();
+ void (*osigttou) () = NULL;
+#endif
int result;
terminal_is_ours = 1;
#endif
if (inferior_ttystate)
- free (inferior_ttystate);
- inferior_ttystate = SERIAL_GET_TTY_STATE (stdin_serial);
+ xfree (inferior_ttystate);
+ inferior_ttystate = serial_get_tty_state (stdin_serial);
#ifdef HAVE_TERMIOS
inferior_process_group = tcgetpgrp (0);
#endif
though, since readline will deal with raw mode when/if it needs to.
*/
- SERIAL_NOFLUSH_SET_TTY_STATE (stdin_serial, our_ttystate,
+ serial_noflush_set_tty_state (stdin_serial, our_ttystate,
inferior_ttystate);
if (job_control)
such situations as well. */
if (result == -1)
fprintf_unfiltered (gdb_stderr, "[tcsetpgrp failed in terminal_ours: %s]\n",
- strerror (errno));
+ safe_strerror (errno));
#endif
#endif /* termios */
(int) inferior_process_group);
#endif
- SERIAL_PRINT_TTY_STATE (stdin_serial, inferior_ttystate, gdb_stdout);
+ serial_print_tty_state (stdin_serial, inferior_ttystate, gdb_stdout);
}
\f
/* NEW_TTY_PREFORK is called before forking a new child process,
void
new_tty (void)
{
- register int tty;
+ int tty;
if (inferior_thisrun_terminal == 0)
return;
static void
kill_command (char *arg, int from_tty)
{
- /* FIXME: This should not really be inferior_pid (or target_has_execution).
+ /* FIXME: This should not really be inferior_ptid (or target_has_execution).
It should be a distinct flag that indicates that a target is active, cuz
some targets don't have processes! */
- if (inferior_pid == 0)
+ if (ptid_equal (inferior_ptid, null_ptid))
error ("The program is not being run.");
if (!query ("Kill the program being debugged? "))
error ("Not confirmed.");
if (target_has_stack)
{
printf_filtered ("In %s,\n", target_longname);
- if (selected_frame == NULL)
+ if (deprecated_selected_frame == NULL)
fputs_filtered ("No selected stack frame.\n", gdb_stdout);
else
- print_stack_frame (selected_frame, selected_frame_level, 1);
+ print_stack_frame (deprecated_selected_frame,
+ frame_relative_level (deprecated_selected_frame), 1);
}
}
\f
pass_signal (int signo)
{
#ifndef _WIN32
- kill (PIDGET (inferior_pid), SIGINT);
+ kill (PIDGET (inferior_ptid), SIGINT);
#endif
}
{
#ifndef _WIN32
if ((*target_activity_function) ())
- kill (inferior_pid, SIGINT);
+ kill (PIDGET (inferior_ptid), SIGINT);
#endif
}
}
set_sigio_trap (void)
{
if (target_activity_function)
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
void
clear_sigio_trap (void)
{
if (target_activity_function)
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
#endif /* No SIGIO. */
\f
if (job_control)
{
-#if defined (NEED_POSIX_SETPGID) || (defined (HAVE_TERMIOS) && defined (HAVE_SETPGID))
- /* setpgid (0, 0) is supposed to work and mean the same thing as
- this, but on Ultrix 4.2A it fails with EPERM (and
+#if defined (HAVE_TERMIOS) || defined (TIOCGPGRP)
+#ifdef HAVE_SETPGID
+ /* The call setpgid (0, 0) is supposed to work and mean the same
+ thing as this, but on Ultrix 4.2A it fails with EPERM (and
setpgid (getpid (), getpid ()) succeeds). */
retval = setpgid (getpid (), getpid ());
#else
-#if defined (TIOCGPGRP)
-#if defined(USG) && !defined(SETPGRP_ARGS)
+#ifdef HAVE_SETPGRP
+#ifdef SETPGRP_VOID
retval = setpgrp ();
#else
retval = setpgrp (getpid (), getpid ());
-#endif /* USG */
-#endif /* TIOCGPGRP. */
-#endif /* NEED_POSIX_SETPGID */
+#endif
+#endif /* HAVE_SETPGRP */
+#endif /* HAVE_SETPGID */
+#endif /* defined (HAVE_TERMIOS) || defined (TIOCGPGRP) */
}
+
return retval;
}
add_com ("kill", class_run, kill_command,
"Kill execution of program being debugged.");
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
terminal_is_ours = 1;
projects / deliverable / binutils-gdb.git / blobdiff