lib: Reset libbabeltrace2 to SONANE 0

[babeltrace.git] / include / babeltrace / compat / mman-internal.h

diff --git a/include/babeltrace/compat/mman-internal.h b/include/babeltrace/compat/mman-internal.h
index 061e244ba3c1daef1fe720389896088294800f34..9f494526617469f5292a7341ee803a5ab26c9cda 100644 (file)
--- a/include/babeltrace/compat/mman-internal.h
+++ b/include/babeltrace/compat/mman-internal.h
@@ -2,9 +2,7 @@
 #define _BABELTRACE_COMPAT_MMAN_H
 
 /*
- * babeltrace/compat/mman.h
- *
- * Copyright (C) 2015  Michael Jeanson <mjeanson@efficios.com>
+ * Copyright (C) 2015-2016  Michael Jeanson <mjeanson@efficios.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -25,8 +23,51 @@
  * SOFTWARE.
  */
 
+#ifdef __MINGW32__
+
+#include <sys/types.h>
+
+#define PROT_NONE      0x0
+#define PROT_READ      0x1
+#define PROT_WRITE     0x2
+#define PROT_EXEC      0x4
+
+#define MAP_FILE       0
+#define MAP_SHARED     1
+#define MAP_PRIVATE    2
+#define MAP_TYPE       0xF
+#define MAP_FIXED      0x10
+#define MAP_ANONYMOUS  0x20
+#define MAP_ANON       MAP_ANONYMOUS
+#define MAP_FAILED     ((void *) -1)
+
+/*
+ * Note that some platforms (e.g. Windows) do not allow read-only
+ * mappings to exceed the file's size (even within a page).
+ */
+void *bt_mmap(void *addr, size_t length, int prot, int flags, int fd,
+       off_t offset);
+
+int bt_munmap(void *addr, size_t length);
+
+#else /* __MINGW32__ */
+
 #include <sys/mman.h>
 
+static inline
+void *bt_mmap(void *addr, size_t length, int prot, int flags, int fd,
+       off_t offset)
+{
+       return (void *) mmap(addr, length, prot, flags, fd, offset);
+}
+
+static inline
+int bt_munmap(void *addr, size_t length)
+{
+       return munmap(addr, length);
+}
+#endif /* __MINGW32__ */
+
 #ifndef MAP_ANONYMOUS
 # ifdef MAP_ANON
 #   define MAP_ANONYMOUS MAP_ANON