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-rw-r--r--libguile/scmsigs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/scmsigs.c b/libguile/scmsigs.c
index da2c3d195..36143afc4 100644
--- a/libguile/scmsigs.c
+++ b/libguile/scmsigs.c
@@ -336,7 +336,7 @@ SCM_DEFINE (scm_sigaction_for_thread, "sigaction", 1, 3, 0,
scm_i_ensure_signal_delivery_thread ();
scm_dynwind_begin (0);
- scm_dynwind_pthread_mutex_lock (&signal_handler_lock);
+ scm_i_dynwind_pthread_mutex_lock (&signal_handler_lock);
scm_dynwind_block_asyncs ();
old_handler = SCM_SIMPLE_VECTOR_REF (*signal_handlers, csig);