add SWAP_FLAG_DISCARD to sys/swap.h

[musl] / include / sys / swap.h

diff --git a/include/sys/swap.h b/include/sys/swap.h
index c5824f1..11c0f92 100644 (file)
--- a/include/sys/swap.h
+++ b/include/sys/swap.h
@@ -1,11 +1,21 @@
 #ifndef _SYS_SWAP_H
 #define _SYS_SWAP_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 #define        SWAP_FLAG_PREFER        0x8000
 #define        SWAP_FLAG_PRIO_MASK     0x7fff
 #define        SWAP_FLAG_PRIO_SHIFT    0
+#define SWAP_FLAG_DISCARD       0x10000
 
 int swapon (const char *, int);
 int swapoff (const char *);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif