glsl: No need to lock in _mesa_glsl_release_types

This function only gets called while mesa is unloading, so there's
no potential of racing or multiple calls at the same time. So let's
just get rid of the locking.

Signed-off-by: Erik Faye-Lund <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Brian Paul <[email protected]>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/glsl/glsl_types.cpp b/src/glsl/glsl_types.cpp
index f675e90cb0d..c6223808bb8 100644
--- a/src/glsl/glsl_types.cpp
+++ b/src/glsl/glsl_types.cpp
@@ -324,8 +324,10 @@ const glsl_type *glsl_type::get_scalar_type() const
 void
 _mesa_glsl_release_types(void)
 {
-   mtx_lock(&glsl_type::mutex);
-
+   /* Should only be called during atexit (either when unloading shared
+    * object, or if process terminates), so no mutex-locking should be
+    * necessary.
+    */
    if (glsl_type::array_types != NULL) {
       hash_table_dtor(glsl_type::array_types);
       glsl_type::array_types = NULL;
@@ -335,8 +337,6 @@ _mesa_glsl_release_types(void)
       hash_table_dtor(glsl_type::record_types);
       glsl_type::record_types = NULL;
    }
-
-   mtx_unlock(&glsl_type::mutex);
 }