move sys mman bits to cbindgen

include/bits/sys/mman.h

@@ -1,6 +0,0 @@
-#ifndef _BITS_SYS_MMAN_H
-#define _BITS_SYS_MMAN_H
-
-#define MAP_FAILED ((void *) -1)
-
-#endif

src/header/sys_mman/cbindgen.toml

@@ -1,6 +1,6 @@
 sys_includes = ["stdarg.h", "stdint.h", "sys/types.h"]
 include_guard = "_SYS_MMAN_H"
-trailer = "#include <bits/sys/mman.h>"
+trailer = "#define MAP_FAILED ((void *) -1)"
 language = "C"
 style = "Tag"
 no_includes = true

src/header/sys_mman/mod.rs

@@ -34,6 +34,7 @@ pub const MAP_TYPE: c_int = 0x000F;
 pub const MAP_ANON: c_int = 0x0020;
 pub const MAP_ANONYMOUS: c_int = MAP_ANON;
 pub const MAP_STACK: c_int = 0x20000;
+/// cbindgen:ignore
 pub const MAP_FAILED: *mut c_void = usize::wrapping_neg(1) as *mut c_void;
 
 pub const MREMAP_MAYMOVE: c_int = 1;