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-rw-r--r--common/threads.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/common/threads.h b/common/threads.h
index ffd7fac5..9a6fe1f7 100644
--- a/common/threads.h
+++ b/common/threads.h
@@ -237,6 +237,7 @@ int alsem_init(alsem_t *sem, unsigned int initial);
void alsem_destroy(alsem_t *sem);
int alsem_post(alsem_t *sem);
int alsem_wait(alsem_t *sem);
+int alsem_trywait(alsem_t *sem);
int altss_create(altss_t *tss_id, altss_dtor_t callback);
void altss_delete(altss_t tss_id);