#include "inflow.h"
#include "gdbcmd.h"
+#ifdef HAVE_TERMIOS_H
+#include <termios.h>
+#endif
+#include "job-control.h"
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#define O_NOCTTY 0
#endif
-extern void _initialize_inflow (void);
-
static void pass_signal (int);
static void child_terminal_ours_1 (int);
it when it resumes. */
serial_ttystate ttystate;
-#ifdef PROCESS_GROUP_TYPE
+#ifdef HAVE_TERMIOS_H
/* Process group. Saved and restored just like ttystate. */
- PROCESS_GROUP_TYPE process_group;
+ pid_t process_group;
#endif
/* fcntl flags. Saved and restored just like ttystate. */
static struct terminal_info *get_inflow_inferior_data (struct inferior *);
-#ifdef PROCESS_GROUP_TYPE
+#ifdef HAVE_TERMIOS_H
/* Return the process group of the current inferior. */
-PROCESS_GROUP_TYPE
+pid_t
inferior_process_group (void)
{
return get_inflow_inferior_data (current_inferior ())->process_group;
int terminal_is_ours;
-#ifdef PROCESS_GROUP_TYPE
-static PROCESS_GROUP_TYPE
-gdb_getpgrp (void)
-{
- int process_group = -1;
-
-#ifdef HAVE_TERMIOS
- process_group = tcgetpgrp (0);
-#endif
-#ifdef HAVE_TERMIO
- process_group = getpgrp ();
-#endif
-#ifdef HAVE_SGTTY
- ioctl (0, TIOCGPGRP, &process_group);
-#endif
- return process_group;
-}
-#endif
-
/* See terminal.h. */
void
#ifdef F_GETFL
our_terminal_info.tflags = fcntl (0, F_GETFL, 0);
#endif
-#ifdef PROCESS_GROUP_TYPE
- our_terminal_info.process_group = gdb_getpgrp ();
+#ifdef HAVE_TERMIOS_H
+ our_terminal_info.process_group = tcgetpgrp (0);
#endif
}
}
struct inferior *inf = current_inferior ();
struct terminal_info *tinfo = get_inflow_inferior_data (inf);
-#ifdef PROCESS_GROUP_TYPE
+#ifdef HAVE_TERMIOS_H
/* Store the process group even without a terminal as it is used not
only to reset the tty foreground process group, but also to
interrupt the inferior. */
void
child_terminal_init (struct target_ops *self)
{
-#ifdef PROCESS_GROUP_TYPE
+#ifdef HAVE_TERMIOS_H
/* This is for Lynx, and should be cleaned up by having Lynx be a
- separate debugging target with a version of target_terminal_init
+ separate debugging target with a version of target_terminal::init
which passes in the process group to a generic routine which does
all the work (and the non-threaded child_terminal_init can just
pass in inferior_ptid to the same routine). */
/* We assume INFERIOR_PID is also the child's process group. */
child_terminal_init_with_pgrp (ptid_get_pid (inferior_ptid));
-#endif /* PROCESS_GROUP_TYPE */
+#endif /* HAVE_TERMIOS_H */
}
/* Put the inferior's terminal settings into effect.
int result;
#ifdef F_GETFL
- /* Is there a reason this is being done twice? It happens both
- places we use F_SETFL, so I'm inclined to think perhaps there
- is some reason, however perverse. Perhaps not though... */
- result = fcntl (0, F_SETFL, tinfo->tflags);
result = fcntl (0, F_SETFL, tinfo->tflags);
OOPSY ("fcntl F_SETFL");
#endif
- /* 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,
- tinfo->ttystate);
+ result = serial_set_tty_state (stdin_serial, tinfo->ttystate);
OOPSY ("setting tty state");
if (!job_control)
if (job_control)
{
-#ifdef HAVE_TERMIOS
+#ifdef HAVE_TERMIOS_H
result = tcsetpgrp (0, tinfo->process_group);
if (!inf->attach_flag)
OOPSY ("tcsetpgrp");
#endif
-
-#ifdef HAVE_SGTTY
- result = ioctl (0, TIOCSPGRP, &tinfo->process_group);
- if (!inf->attach_flag)
- OOPSY ("TIOCSPGRP");
-#endif
}
-
}
terminal_is_ours = 0;
}
xfree (tinfo->ttystate);
tinfo->ttystate = serial_get_tty_state (stdin_serial);
-#ifdef PROCESS_GROUP_TYPE
+#ifdef HAVE_TERMIOS_H
if (!inf->attach_flag)
- /* If setpgrp failed in terminal_inferior, this would give us
+ /* If tcsetpgrp failed in terminal_inferior, this would give us
our process group instead of the inferior's. See
terminal_inferior for details. */
- tinfo->process_group = gdb_getpgrp ();
+ tinfo->process_group = tcgetpgrp (0);
#endif
- /* Here we used to set ICANON in our ttystate, but I believe this
- was an artifact from before when we used readline. Readline sets
- the tty state when it needs to.
- FIXME-maybe: However, query() expects non-raw mode and doesn't
- use readline. Maybe query should use readline (on the other hand,
- this only matters for HAVE_SGTTY, not termio or termios, I think). */
-
- /* Set tty state to our_ttystate. We don't change in our out of raw
- mode, to avoid flushing input. We need to do the same thing
- regardless of output_only, because we don't have separate
- terminal_is_ours and terminal_is_ours_for_output flags. It's OK,
- though, since readline will deal with raw mode when/if it needs
- to. */
-
- serial_noflush_set_tty_state (stdin_serial, our_terminal_info.ttystate,
- tinfo->ttystate);
+ /* Set tty state to our_ttystate. */
+ serial_set_tty_state (stdin_serial, our_terminal_info.ttystate);
if (job_control)
{
-#ifdef HAVE_TERMIOS
+#ifdef HAVE_TERMIOS_H
result = tcsetpgrp (0, our_terminal_info.process_group);
#if 0
/* This fails on Ultrix with EINVAL if you run the testsuite
safe_strerror (errno));
#endif
#endif /* termios */
-
-#ifdef HAVE_SGTTY
- result = ioctl (0, TIOCSPGRP, &our_terminal_info.process_group);
-#endif
}
#ifdef SIGTTOU
#ifdef F_GETFL
tinfo->tflags = fcntl (0, F_GETFL, 0);
-
- /* Is there a reason this is being done twice? It happens both
- places we use F_SETFL, so I'm inclined to think perhaps there
- is some reason, however perverse. Perhaps not though... */
- result = fcntl (0, F_SETFL, our_terminal_info.tflags);
result = fcntl (0, F_SETFL, our_terminal_info.tflags);
#endif
}
}
void
-term_info (char *arg, int from_tty)
+info_terminal_command (char *arg, int from_tty)
{
- target_terminal_info (arg, from_tty);
+ target_terminal::info (arg, from_tty);
}
void
printf_filtered ("\n");
}
-#ifdef PROCESS_GROUP_TYPE
+#ifdef HAVE_TERMIOS_H
printf_filtered ("Process group = %d\n", (int) tinfo->process_group);
#endif
#endif /* HAVE_SETSID */
}
-/* This is here because this is where we figure out whether we (probably)
- have job control. Just using job_control only does part of it because
- setpgid or setpgrp might not exist on a system without job control.
- It might be considered misplaced (on the other hand, process groups and
- job control are closely related to ttys).
-
- For a more clean implementation, in libiberty, put a setpgid which merely
- calls setpgrp and a setpgrp which does nothing (any system with job control
- will have one or the other). */
-int
-gdb_setpgid (void)
-{
- int retval = 0;
-
- if (job_control)
- {
-#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
-#ifdef HAVE_SETPGRP
-#ifdef SETPGRP_VOID
- retval = setpgrp ();
-#else
- retval = setpgrp (getpid (), getpid ());
-#endif
-#endif /* HAVE_SETPGRP */
-#endif /* HAVE_SETPGID */
-#endif /* defined (HAVE_TERMIOS) || defined (TIOCGPGRP) */
- }
-
- return retval;
-}
-
/* Get all the current tty settings (including whether we have a
tty at all!). We can't do this in _initialize_inflow because
serial_fdopen() won't work until the serial_ops_list is
void
_initialize_inflow (void)
{
- add_info ("terminal", term_info,
+ add_info ("terminal", info_terminal_command,
_("Print inferior's saved terminal status."));
terminal_is_ours = 1;
- /* OK, figure out whether we have job control. If neither termios nor
- sgtty (i.e. termio or go32), leave job_control 0. */
-
-#if defined (HAVE_TERMIOS)
- /* Do all systems with termios have the POSIX way of identifying job
- control? I hope so. */
-#ifdef _POSIX_JOB_CONTROL
- job_control = 1;
-#else
-#ifdef _SC_JOB_CONTROL
- job_control = sysconf (_SC_JOB_CONTROL);
-#else
- job_control = 0; /* Have to assume the worst. */
-#endif /* _SC_JOB_CONTROL */
-#endif /* _POSIX_JOB_CONTROL */
-#endif /* HAVE_TERMIOS */
-
-#ifdef HAVE_SGTTY
-#ifdef TIOCGPGRP
- job_control = 1;
-#else
- job_control = 0;
-#endif /* TIOCGPGRP */
-#endif /* sgtty */
+ /* OK, figure out whether we have job control. */
+ have_job_control ();
observer_attach_inferior_exit (inflow_inferior_exit);
projects / deliverable / binutils-gdb.git / blobdiff