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Kernel: Add anonymous files, created with sys$anon_create()

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This patch adds a new AnonymousFile class which is a File backed by
an AnonymousVMObject that can only be mmap'ed and nothing else, really.

I'm hoping that this can become a replacement for shbufs. :^)
This commit is contained in:
Andreas Kling 2021-01-15 11:28:07 +01:00
parent 96f8fcdcba
commit fb4993f067
8 changed files with 191 additions and 1 deletions
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Kernel/Process.h
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@ -368,6 +368,7 @@ public:
int sys$prctl(int option, FlatPtr arg1, FlatPtr arg2);
int sys$set_coredump_metadata(Userspace<const Syscall::SC_set_coredump_metadata_params*>);
void sys$abort();
int sys$anon_create(size_t, int options);
template<bool sockname, typename Params>
int get_sock_or_peer_name(const Params&);