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Support basic mmap'ing of a file!

All right, we can now mmap() a file and it gets magically paged in from fs
in response to an NP page fault. This is really cool :^)

I need to refactor this to support sharing of read-only file-backed pages,
but it's cool to just have something working.
This commit is contained in:
Andreas Kling 2018-11-08 12:59:16 +01:00
parent fdbd9f1e27
commit 3c8064a787
8 changed files with 141 additions and 14 deletions

View file

@ -14,6 +14,8 @@
#define PROT_EXEC 0x4
#define PROT_NONE 0x0
#define MAP_FAILED ((void*)-1)
__BEGIN_DECLS
void* mmap(void* addr, size_t, int prot, int flags, int fd, off_t);