user/libc: preparation for dlmalloc port

1 files changed, 18 insertions, 0 deletions

diff --git a/src/user/lib/include/sys/mman.h b/src/user/lib/include/sys/mman.h
new file mode 100644
index 0000000..074ebe2
--- /dev/null
+++ b/src/user/lib/include/sys/mman.h
@@ -0,0 +1,18 @@
+#pragma once
+#include <camellia/flags.h>
+#include <sys/types.h>
+
+#define MMAP_UNSUPPORTED 0xFFFF
+
+#define PROT_EXEC 1
+#define PROT_NONE MMAP_UNSUPPORTED
+#define PROT_READ 1
+#define PROT_WRITE 1
+
+#define MAP_FIXED MMAP_UNSUPPORTED
+#define MAP_PRIVATE 0
+#define MAP_SHARED MMAP_UNSUPPORTED
+#define MAP_ANONYMOUS 1
+
+void *mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off);
+int munmap(void *addr, size_t len);