diff options
Diffstat (limited to 'libguile/strports.c')
-rw-r--r-- | libguile/strports.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libguile/strports.c b/libguile/strports.c index 14cc93f81..d1b293c21 100644 --- a/libguile/strports.c +++ b/libguile/strports.c @@ -534,13 +534,16 @@ SCM_DEFINE (scm_eval_string_in_module, "eval-string", 1, 1, 0, "procedure returns.") #define FUNC_NAME s_scm_eval_string_in_module { - static SCM eval_string = SCM_BOOL_F, k_module = SCM_BOOL_F; + static SCM eval_string = SCM_UNDEFINED, k_module = SCM_UNDEFINED; + static scm_i_pthread_mutex_t init_mutex = SCM_I_PTHREAD_MUTEX_INITIALIZER; - if (scm_is_false (eval_string)) + scm_i_scm_pthread_mutex_lock (&init_mutex); + if (SCM_UNBNDP (eval_string)) { - eval_string = scm_c_public_lookup ("ice-9 eval-string", "eval-string"); + eval_string = scm_c_public_variable ("ice-9 eval-string", "eval-string"); k_module = scm_from_locale_keyword ("module"); } + scm_i_pthread_mutex_unlock (&init_mutex); if (SCM_UNBNDP (module)) module = scm_current_module (); |