From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Sun, 7 Dec 2025 20:10:31 +0100
Subject: Add build system scaffolding and libc headers

---
 include/sys/mman.h | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 include/sys/mman.h

(limited to 'include/sys/mman.h')

diff --git a/include/sys/mman.h b/include/sys/mman.h
new file mode 100644
index 00000000..3e5dbf96
--- /dev/null
+++ b/include/sys/mman.h
@@ -0,0 +1,34 @@
+#ifndef __SYS_MMAN_H
+#define __SYS_MMAN_H
+
+typedef __SIZE_TYPE__ size_t;
+typedef __INT64_TYPE__ off_t;
+typedef __UINT32_TYPE__ mode_t;
+
+#define PROT_NONE  0
+#define PROT_READ  1
+#define PROT_WRITE 2
+#define PROT_EXEC  4
+
+#define MAP_FAILED ((void *)-1)
+
+#define MAP_FIXED     0x10
+#define MAP_ANON      0x20
+#define MAP_ANONYMOUS MAP_ANON
+#define MAP_PRIVATE   0x02
+#define MAP_SHARED    0x01
+
+#define MAP_NORESERVE 0x04000
+#define MAP_POPULATE  0x08000
+
+#define POSIX_MADV_NORMAL     0
+#define POSIX_MADV_RANDOM     1
+#define POSIX_MADV_SEQUENTIAL 2
+#define POSIX_MADV_WILLNEED   3
+#define POSIX_MADV_DONTNEED   4
+
+void *mmap(void *, size_t, int, int, int, off_t);
+int munmap(void *, size_t);
+int posix_madvise(void *, size_t, int);
+
+#endif
-- 
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