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-rw-r--r--include/ruby/intern.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index 7321a022a9..472166d995 100644
--- a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -802,7 +802,7 @@ VALUE rb_thread_io_blocking_region(rb_blocking_function_t *func, void *data1, in
#define RUBY_UBF_PROCESS ((rb_unblock_function_t *)-1)
VALUE rb_mutex_new(void);
VALUE rb_mutex_locked_p(VALUE mutex);
-VALUE rb_mutex_try_lock(VALUE mutex);
+VALUE rb_mutex_trylock(VALUE mutex);
VALUE rb_mutex_lock(VALUE mutex);
VALUE rb_mutex_unlock(VALUE mutex);
VALUE rb_mutex_sleep(VALUE self, VALUE timeout);