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* fork-child.c: Don't include frame.h. Include terminal.h.

Browse Source 
(fork_inferior): Call new_tty_postfork after forking adn adding
	the child to the inferior list.
	* inferior.h (new_tty_prefork, gdb_has_a_terminal): Don't declare
	here.
	* inflow.c (struct terminal_info): Remove const qualifier from
	`run_terminal' field.
	(inferior_thisrun_terminal): Tweak comment.
	(inflow_inferior_exit): Release the `run_terminal' field.
	(copy_terminal_info): New function.
	(new_tty_postfork): New function.
	* terminal.h (new_tty_prefork, new_tty, new_tty_postfork,
	(copy_terminal_info, gdb_has_a_terminal, gdb_setpgid): Declare.
	* inf-ptrace.c: Include terminal.h.
	(inf_ptrace_follow_fork): Copy the parent's terminal info to the
	child.
	* linux-nat.c: Include terminal.h.
	(linux_child_follow_fork): Copy the parent's terminal info to the
	child.
	* inf-ttrace.c: Include terminal.h.
	(inf_ttrace_follow_fork): Copy the parent's terminal info to the
	child.
This commit is contained in:
Pedro Alves
2009-05-19 02:46:45 +00:00
parent b523320162
commit 191c4426c1
8 changed files with 91 additions and 17 deletions
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35
gdb/inflow.c
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@@ -67,7 +67,7 @@ struct terminal_info
{
/* The name of the tty (from the `tty' command) that we gave to the
inferior when it was started. */
const char *run_terminal;
char *run_terminal;
/* TTY state. We save it whenever the inferior stops, and restore
it when it resumes. */
@@ -109,9 +109,9 @@ static void (*sigquit_ours) ();
/* The name of the tty (from the `tty' command) that we're giving to
the inferior when starting it up. This is only (and should only
be) used as a transient global by new_tty_prefork, new_tty and
create_tty_session, called from fork_inferior, while forking a new
child. */
be) used as a transient global by new_tty_prefork,
create_tty_session, new_tty and new_tty_postfork, all called from
fork_inferior, while forking a new child. */
static const char *inferior_thisrun_terminal;
/* Nonzero if our terminal settings are in effect. Zero if the
@@ -485,10 +485,19 @@ inflow_inferior_exit (int pid)
{
struct inferior *inf = find_inferior_pid (pid);
xfree (inf->terminal_info->run_terminal);
xfree (inf->terminal_info);
inf->terminal_info = NULL;
}
void
copy_terminal_info (struct inferior *to, struct inferior *from)
{
*to->terminal_info = *from->terminal_info;
if (from->terminal_info->run_terminal)
to->terminal_info->run_terminal = from->terminal_info->run_terminal;
}
void
term_info (char *arg, int from_tty)
{
@@ -668,6 +677,24 @@ new_tty (void)
close (tty);
#endif /* !go32 && !win32 */
}
/* NEW_TTY_POSTFORK is called after forking a new child process, and
adding it to the inferior table, to store the TTYNAME being used by
the child, or null if it sharing the terminal with gdb. */
void
new_tty_postfork (void)
{
/* Save the name for later, for determining whether we and the child
are sharing a tty. */
if (inferior_thisrun_terminal)
current_inferior ()->terminal_info->run_terminal
= xstrdup (inferior_thisrun_terminal);
inferior_thisrun_terminal = NULL;
}
/* Kill the inferior process. Make us have no inferior. */