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Implement MI notification for new threads.

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* doc/observer.texi (new_thread): Document.
        * observer.sh: Forward declare struct thread_info.
        * thread.c (add_thread): Notify observer.

        * interps.h (interp_init_ftype): New parameter
        top_level.
        (interp_set): Likewise.
        (top_level_interpreter_data): Declare.
        * interps.c (interp_set): New parameter top_level.
        Pass it to interpreter's init function.  Remember
        top level interpreter.
        (interpreter_exec_cmd): Adjust.
        (top_level_interpreter_data): New.
        * main.c (captured_main): Pass 1 for top_level
        parameter of interp_set.
	* cli/cli-interp.c (cli_interpreter_init): New
        parameter top_level.
        * tui/tui-interp.c (tui_init): New parameter top_level.

        * mi/mi-interp.c (mi_new_thread): New.
        (mi_interpreter_init): If top level, register
        observer for new threads.

        * Makefile.in (mi-interp.o, thread.o): Update dependencies.
This commit is contained in:
Vladimir Prus
2008-03-14 17:21:08 +00:00
parent 0f2830ff5e
commit 683f2885af
11 changed files with 92 additions and 17 deletions
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39
gdb/interps.c
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@ -81,6 +81,7 @@ void _initialize_interpreter (void);
static struct interp *interp_list = NULL;
static struct interp *current_interpreter = NULL;
static struct interp *top_level_interpreter = NULL;
static int interpreter_initialized = 0;
@ -124,16 +125,27 @@ interp_add (struct interp *interp)
init proc is successful, return 1, if it fails, set the old
interpreter back in place and return 0. If we can't restore the
old interpreter, then raise an internal error, since we are in
pretty bad shape at this point. */
pretty bad shape at this point.
The TOP_LEVEL parameter tells if this new interpreter is
the top-level one. The top-level is what is requested
on the command line, and is responsible for reporting general
notification about target state changes. For example, if
MI is the top-level interpreter, then it will always report
events such as target stops and new thread creation, even if they
are caused by CLI commands. */
int
interp_set (struct interp *interp)
interp_set (struct interp *interp, int top_level)
{
struct interp *old_interp = current_interpreter;
int first_time = 0;
char buffer[64];
/* If we already have an interpreter, then trying to
set top level interpreter is kinda pointless. */
gdb_assert (!top_level || !current_interpreter);
gdb_assert (!top_level || !top_level_interpreter);
if (current_interpreter != NULL)
{
do_all_continuations ();
@ -152,6 +164,8 @@ interp_set (struct interp *interp)
}
current_interpreter = interp;
if (top_level)
top_level_interpreter = interp;
/* We use interpreter_p for the "set interpreter" variable, so we need
to make sure we have a malloc'ed copy for the set command to free. */
@ -171,7 +185,7 @@ interp_set (struct interp *interp)
{
if (interp->procs->init_proc != NULL)
{
interp->data = interp->procs->init_proc ();
interp->data = interp->procs->init_proc (top_level);
}
interp->inited = 1;
}
@ -182,7 +196,7 @@ interp_set (struct interp *interp)
if (interp->procs->resume_proc != NULL
&& (!interp->procs->resume_proc (interp->data)))
{
if (old_interp == NULL || !interp_set (old_interp))
if (old_interp == NULL || !interp_set (old_interp, 0))
internal_error (__FILE__, __LINE__,
_("Failed to initialize new interp \"%s\" %s"),
interp->name, "and could not restore old interp!\n");
@ -390,7 +404,7 @@ interpreter_exec_cmd (char *args, int from_tty)
old_quiet = interp_set_quiet (old_interp, 1);
use_quiet = interp_set_quiet (interp_to_use, 1);
if (!interp_set (interp_to_use))
if (!interp_set (interp_to_use, 0))
error (_("Could not switch to interpreter \"%s\"."), prules[0]);
for (i = 1; i < nrules; i++)
@ -398,14 +412,14 @@ interpreter_exec_cmd (char *args, int from_tty)
struct gdb_exception e = interp_exec (interp_to_use, prules[i]);
if (e.reason < 0)
{
interp_set (old_interp);
interp_set (old_interp, 0);
interp_set_quiet (interp_to_use, use_quiet);
interp_set_quiet (old_interp, old_quiet);
error (_("error in command: \"%s\"."), prules[i]);
}
}
interp_set (old_interp);
interp_set (old_interp, 0);
interp_set_quiet (interp_to_use, use_quiet);
interp_set_quiet (old_interp, old_quiet);
}
@ -462,6 +476,13 @@ interpreter_completer (char *text, char *word)
return matches;
}
extern void *
top_level_interpreter_data (void)
{
gdb_assert (top_level_interpreter);
return top_level_interpreter->data;
}
/* This just adds the "interpreter-exec" command. */
void
_initialize_interpreter (void)