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* remote.c (clear_threads_parsing_context): New.

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(remote_threads_info): Delete unused null_cleanup.  Install a
	cleanup to clear the threads_parsing_context in case parsing
	throws.
This commit is contained in:
Pedro Alves 2010-05-06 00:15:29 +00:00
parent 8c5630cb08
commit 02357a4aaf
2 changed files with 30 additions and 4 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2010-05-06 Pedro Alves <pedro@codesourcery.com>
* remote.c (clear_threads_parsing_context): New.
(remote_threads_info): Delete unused null_cleanup. Install a
cleanup to clear the threads_parsing_context in case parsing
throws.
2010-05-05 Michael Snyder <msnyder@vmware.com>
* c-exp.y (parse_string_or_char): Delete unused variable.

27
gdb/remote.c
View File

@ -2482,6 +2482,21 @@ const struct gdb_xml_element threads_elements[] = {
{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
};
/* Discard the contents of the constructed thread info context. */
static void
clear_threads_parsing_context (void *p)
{
struct threads_parsing_context *context = p;
int i;
struct thread_item *item;
for (i = 0; VEC_iterate (thread_item_t, context->items, i, item); ++i)
xfree (item->extra);
VEC_free (thread_item_t, context->items);
}
#endif
/*
@ -2512,15 +2527,20 @@ remote_threads_info (struct target_ops *ops)
{
struct gdb_xml_parser *parser;
struct threads_parsing_context context;
struct cleanup *back_to = make_cleanup (null_cleanup, NULL);
struct cleanup *clear_parsing_context;
context.items = 0;
/* Note: this parser cleanup is already guarded by BACK_TO
above. */
parser = gdb_xml_create_parser_and_cleanup (_("threads"),
threads_elements,
&context);
gdb_xml_use_dtd (parser, "threads.dtd");
clear_parsing_context
= make_cleanup (clear_threads_parsing_context, &context);
if (gdb_xml_parse (parser, xml) == 0)
{
int i;
@ -2542,13 +2562,12 @@ remote_threads_info (struct target_ops *ops)
info = demand_private_info (item->ptid);
info->core = item->core;
info->extra = item->extra;
item->extra = 0;
item->extra = NULL;
}
xfree (item->extra);
}
}
VEC_free (thread_item_t, context.items);
do_cleanups (clear_parsing_context);
}
do_cleanups (back_to);