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-rw-r--r--sysdeps/stub/libc-lock.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/stub/libc-lock.h b/sysdeps/stub/libc-lock.h
index 158a221718..d0a82fea21 100644
--- a/sysdeps/stub/libc-lock.h
+++ b/sysdeps/stub/libc-lock.h
@@ -48,6 +48,9 @@
 /* Lock the named lock variable.  */
 #define __libc_lock_lock(NAME)
 
+/* Try tp lock the named lock variable.  */
+#define __libc_lock_trylock(NAME)
+
 /* Unlock the named lock variable.  */
 #define __libc_lock_unlock(NAME)
 
@@ -58,4 +61,7 @@
 #define __libc_cleanup_region_end(DOIT)
 
 
+/* We need protable names for some of the functions.  */
+#define __libc_mutex_unlock
+
 #endif	/* libc-lock.h */