-/* Copyright (C) 1995,1996, 2000, 2001, 2003, 2006, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996, 2000, 2001, 2003, 2006, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
/* {Object Properties}
*/
+static SCM object_whash;
+static scm_i_pthread_mutex_t whash_mutex = SCM_I_PTHREAD_MUTEX_INITIALIZER;
+
SCM_DEFINE (scm_object_properties, "object-properties", 1, 0, 0,
(SCM obj),
"Return @var{obj}'s property list.")
#define FUNC_NAME s_scm_object_properties
{
- return scm_hashq_ref (scm_object_whash, obj, SCM_EOL);
+ SCM ret;
+
+ scm_i_pthread_mutex_lock (&whash_mutex);
+ ret = scm_hashq_ref (object_whash, obj, SCM_EOL);
+ scm_i_pthread_mutex_unlock (&whash_mutex);
+
+ return ret;
}
#undef FUNC_NAME
"Set @var{obj}'s property list to @var{alist}.")
#define FUNC_NAME s_scm_set_object_properties_x
{
- SCM handle = scm_hashq_create_handle_x (scm_object_whash, obj, alist);
- SCM_SETCDR (handle, alist);
+ scm_i_pthread_mutex_lock (&whash_mutex);
+ scm_hashq_set_x (object_whash, obj, alist);
+ scm_i_pthread_mutex_unlock (&whash_mutex);
+
return alist;
}
#undef FUNC_NAME
"to @var{value}.")
#define FUNC_NAME s_scm_set_object_property_x
{
- SCM h;
+ SCM alist;
SCM assoc;
- h = scm_hashq_create_handle_x (scm_object_whash, obj, SCM_EOL);
- SCM_CRITICAL_SECTION_START;
- assoc = scm_assq (key, SCM_CDR (h));
+
+ scm_i_pthread_mutex_lock (&whash_mutex);
+ alist = scm_hashq_ref (object_whash, obj, SCM_EOL);
+ assoc = scm_assq (key, alist);
if (SCM_NIMP (assoc))
SCM_SETCDR (assoc, value);
else
- {
- assoc = scm_acons (key, value, SCM_CDR (h));
- SCM_SETCDR (h, assoc);
- }
- SCM_CRITICAL_SECTION_END;
+ scm_hashq_set_x (object_whash, obj, scm_acons (key, value, alist));
+ scm_i_pthread_mutex_unlock (&whash_mutex);
+
return value;
}
#undef FUNC_NAME
void
scm_init_objprop ()
{
- scm_object_whash = scm_make_weak_key_hash_table (SCM_UNDEFINED);
+ object_whash = scm_make_weak_key_hash_table (SCM_UNDEFINED);
#include "libguile/objprop.x"
}