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-rw-r--r--ace/ace_sys_mman.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/ace/ace_sys_mman.h b/ace/ace_sys_mman.h
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+/* -*- C++ -*- */
+
+//=============================================================================
+/**
+ * @file ace_sys_mman.h
+ *
+ * $Id$
+ *
+ * @author Douglas C. Schmidt (schmidt@cs.wustl.edu)
+ * @author etc
+ */
+//=============================================================================
+
+#ifndef ACE_ACE_SYS_MMAN_H
+#define ACE_ACE_SYS_MMAN_H
+#include "ace/pre.h"
+
+#include "ace/config-all.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#if defined (ACE_WIN32)
+// MMAP flags
+# define PROT_READ PAGE_READONLY
+# define PROT_WRITE PAGE_READWRITE
+# define PROT_RDWR PAGE_READWRITE
+/* If we can find suitable use for these flags, here they are:
+PAGE_WRITECOPY
+PAGE_EXECUTE
+PAGE_EXECUTE_READ
+PAGE_EXECUTE_READWRITE
+PAGE_EXECUTE_WRITECOPY
+PAGE_GUARD
+PAGE_NOACCESS
+PAGE_NOCACHE */
+#endif
+
+
+# if defined (ACE_LACKS_MMAP)
+# define PROT_READ 0
+# define PROT_WRITE 0
+# define PROT_EXEC 0
+# define PROT_NONE 0
+# define PROT_RDWR 0
+# define MAP_PRIVATE 0
+# define MAP_SHARED 0
+# define MAP_FIXED 0
+# endif /* ACE_LACKS_MMAP */
+
+// Fixes a problem with HP/UX.
+# if defined (ACE_HAS_BROKEN_MMAP_H)
+extern "C"
+{
+# include /**/ <sys/mman.h>
+}
+# elif !defined (ACE_LACKS_MMAP)
+# include /**/ <sys/mman.h>
+# endif /* ACE_HAS_BROKEN_MMAP_H */
+
+
+# if !defined (PROT_RDWR)
+# define PROT_RDWR (PROT_READ|PROT_WRITE)
+# endif /* PROT_RDWR */
+
+
+
+#endif /* ACE_ACE_SYS_MMAN_H */