1 files changed, 24 insertions, 0 deletions
diff --git a/include/bh/internal/thread.h b/include/bh/internal/thread.h
index 34e2f76..8ef9487 100644
--- a/include/bh/internal/thread.h
+++ b/include/bh/internal/thread.h
@@ -6,6 +6,8 @@
 
 #define BH_THREAD_DONE      0x0100
 
+#define BH_MAX_TLS          32
+
 #if defined(BH_USE_PTHREAD)
 #include "thread_posix.h"
 #elif defined(BH_USE_WINTHREAD)
@@ -33,6 +35,18 @@ struct bh_thread_pool_s
     int shutdown;
 };
 
+typedef struct bh_tls_info_s
+{
+    size_t counter;
+    bh_spinlock_t lock;
+    bh_generic_cb_t cleanup[BH_MAX_TLS];
+} bh_tls_info_t;
+
+typedef struct bh_tls_s
+{
+    void *data[BH_MAX_TLS];
+} bh_tls_t;
+
 void bh_task_init(bh_task_t *task,
                   void (*func)(void *),
                   void *data,
@@ -42,4 +56,14 @@ void bh_task_destroy(bh_task_t *task);
 
 void bh_thread_pool_worker(void *arg);
 
+void bh_spinlock_init(bh_spinlock_t *lock);
+
+void bh_spinlock_destroy(bh_spinlock_t *lock);
+
+bh_tls_info_t *bh_tls_info(void);
+
+bh_tls_t *bh_tls_fetch(void);
+
+void bh_tls_cleanup(void);
+
 #endif /* BH_INTERNAL_THREAD_H */