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SharedBuffer: Split the creation and share steps

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This allows us to seal a buffer *before* anyone else has access to it
(well, ok, the creating process still does, but you can't win them all).

It also means that a SharedBuffer can be shared with multiple clients:
all you need is to have access to it to share it on again.
This commit is contained in:
Robin Burchell 2019-07-18 09:52:22 +02:00 • committed by Andreas Kling
parent f60d7e5d1f
commit b907608e46
12 changed files with 58 additions and 22 deletions
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Kernel/Syscall.h
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@ -83,6 +83,7 @@ struct timeval;
__ENUMERATE_SYSCALL(listen) \
__ENUMERATE_SYSCALL(connect) \
__ENUMERATE_SYSCALL(create_shared_buffer) \
__ENUMERATE_SYSCALL(share_buffer_with) \
__ENUMERATE_SYSCALL(get_shared_buffer) \
__ENUMERATE_SYSCALL(release_shared_buffer) \
__ENUMERATE_SYSCALL(link) \