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procedure property efficiency tweak

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* libguile/procprop.c (scm_procedure_property)
  scm_set_procedure_property_x): Fix to not call
  scm_procedure_properties(), and thus to avoid consing up the arity as
  well.
This commit is contained in:
Andy Wingo 2009-10-13 23:58:36 +02:00
parent 258344b4db
commit c783b0827c
1 changed files with 26 additions and 4 deletions
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30
libguile/procprop.c
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@ -194,7 +194,18 @@ SCM_DEFINE (scm_procedure_property, "procedure-property", 2, 0, 0,
/* avoid a cons in this case */
return scm_i_procedure_arity (proc);
else
return scm_assq_ref (scm_procedure_properties (proc), key);
{
SCM props;
if (SCM_CLOSUREP (proc))
props = SCM_PROCPROPS (proc);
else
{
scm_i_pthread_mutex_lock (&non_closure_props_lock);
props = scm_hashq_ref (non_closure_props, proc, SCM_EOL);
scm_i_pthread_mutex_unlock (&non_closure_props_lock);
}
return scm_assq_ref (props, key);
}
}
#undef FUNC_NAME
@ -208,9 +219,20 @@ SCM_DEFINE (scm_set_procedure_property_x, "set-procedure-property!", 3, 0, 0,
if (scm_is_eq (key, scm_sym_arity))
SCM_MISC_ERROR ("arity is a read-only property", SCM_EOL);
scm_set_procedure_properties_x
(proc,
scm_assq_set_x (scm_procedure_properties (proc), key, val));
if (SCM_CLOSUREP (proc))
SCM_SETPROCPROPS (proc,
scm_assq_set_x (SCM_PROCPROPS (proc), key, val));
else
{
scm_i_pthread_mutex_lock (&non_closure_props_lock);
scm_hashq_set_x (non_closure_props, proc,
scm_assq_set_x (scm_hashq_ref (non_closure_props, proc,
SCM_EOL),
key, val));
scm_i_pthread_mutex_unlock (&non_closure_props_lock);
}
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME