include: add multiple-inclusion guards

diff --git a/include/atomic b/include/atomic
index 8bbd988406b09e1fa8d374967b39ef7cc6263432..52198375aff4221a58d86326209216f5dc35e93d 100644 (file)
--- a/include/atomic
+++ b/include/atomic
@@ -1,3 +1,6 @@
+#ifndef __CXX_ATOMIC__
+#define __CXX_ATOMIC__
 
 #include "impatomic.h"
 
+#endif /* __CXX_ATOMIC__ */

diff --git a/include/stdatomic.h b/include/stdatomic.h
index 17e98a67f9480ae95de40d001665fd2acc8bbc5e..035f848d33b648eaad450e7c29d38b7b422c5060 100644 (file)
--- a/include/stdatomic.h
+++ b/include/stdatomic.h
@@ -1,3 +1,5 @@
+#ifndef __STDATOMIC_H__
+#define __STDATOMIC_H__
 
 #include "impatomic.h"
 
@@ -59,3 +61,4 @@ using std::memory_order_seq_cst;
 
 #endif
 
+#endif /* __STDATOMIC_H__ */