RTS tidyup sweep, first phase

[ghc-hetmet.git] / rts / sm / OSMem.h

diff --git a/rts/sm/OSMem.h b/rts/sm/OSMem.h
index dcf8eb7..3dbca23 100644 (file)
--- a/rts/sm/OSMem.h
+++ b/rts/sm/OSMem.h
@@ -6,8 +6,13 @@
  *
  * ---------------------------------------------------------------------------*/
 
+#ifndef SM_OSMEM_H
+#define SM_OSMEM_H
+
 void osMemInit(void);
 void *osGetMBlocks(nat n);
 void osFreeAllMBlocks(void);
 lnat getPageSize (void);
 void setExecutable (void *p, lnat len, rtsBool exec);
+
+#endif /* SM_OSMEM_H */