/* Fork a Unix child process, and set up to debug it, for GDB.
Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
- 2001, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2001, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Cygnus Support.
#include "defs.h"
#include "gdb_string.h"
-#include "frame.h" /* required by inferior.h */
#include "inferior.h"
+#include "terminal.h"
#include "target.h"
#include "gdb_wait.h"
#include "gdb_vfork.h"
int shell = 0;
static char **argv;
const char *inferior_io_terminal = get_inferior_io_terminal ();
+ struct inferior *inf;
/* If no exec file handed to us, get it from the exec-file command
-- with a good, common error message if none is specified. */
assuming that every other character is a separate
argument. */
int argc = (strlen (allargs) + 1) / 2 + 2;
+
argv = (char **) xmalloc (argc * sizeof (*argv));
argv[0] = exec_file;
breakup_args (allargs, &argv[1]);
/* Restore our environment in case a vforked child clob'd it. */
environ = save_our_env;
- init_thread_list ();
+ if (!have_inferiors ())
+ init_thread_list ();
+
+ inf = current_inferior ();
- add_inferior (pid);
+ inferior_appeared (inf, pid);
/* Needed for wait_for_inferior stuff below. */
inferior_ptid = pid_to_ptid (pid);
+ new_tty_postfork ();
+
/* We have something that executes now. We'll be running through
the shell at this point, but the pid shouldn't change. Targets
supporting MT should fill this task's ptid with more data as soon
{
int pending_execs = ntraps;
int terminal_initted = 0;
+ ptid_t resume_ptid;
+
+ if (target_supports_multi_process ())
+ resume_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
+ else
+ resume_ptid = minus_one_ptid;
/* The process was started by the fork that created it, but it will
have stopped one instruction after execing the shell. Here we
while (1)
{
int resume_signal = TARGET_SIGNAL_0;
- ptid_t resume_ptid;
ptid_t event_ptid;
struct target_waitstatus ws;
memset (&ws, 0, sizeof (ws));
- event_ptid = target_wait (pid_to_ptid (-1), &ws);
+ event_ptid = target_wait (resume_ptid, &ws, 0);
if (ws.kind == TARGET_WAITKIND_IGNORE)
/* The inferior didn't really stop, keep waiting. */
break;
}
- /* In all-stop mode, resume all threads. */
- if (!non_stop)
- resume_ptid = pid_to_ptid (-1);
- else
- resume_ptid = event_ptid;
-
if (resume_signal != TARGET_SIGNAL_TRAP)
{
/* Let shell child handle its own signals in its own way. */
}
/* Mark all threads non-executing. */
- set_executing (pid_to_ptid (-1), 0);
-
- stop_pc = read_pc ();
+ set_executing (resume_ptid, 0);
}
/* Implement the "unset exec-wrapper" command. */
exec_wrapper = NULL;
}
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_fork_child;
+
void
_initialize_fork_child (void)
{