lib/posix-*: Remove hard dependency on posix-fdtab #1437
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This change makes posix-fdtab no longer a hard dependency of posix-eventfd, allowing non-fd parts of its functionality to work without the former selected. Signed-off-by: Andrei Tatar <[email protected]>
This change makes posix-fdtab no longer a hard dependency of posix-pipe, allowing non-fd parts of its functionality to work without the former selected. Signed-off-by: Andrei Tatar <[email protected]>
This change makes posix-fdtab no longer a hard dependency of posix-timerfd, allowing non-fd parts of its functionality to work without the former selected. Signed-off-by: Andrei Tatar <[email protected]>
This change makes posix-fdtab no longer a hard dependency of posix-socket, allowing socket operations using the internal API without needing a userspace-visible fdtab. Signed-off-by: Andrei Tatar <[email protected]>
This change removes posix-fdtab as a hard dependency to posix-tty, allowing the use of the latter without a userspace-visible fd table. The functionality to open file descriptors 0, 1, and 2 at boot remains dependent on posix-fdtab. Signed-off-by: Andrei Tatar <[email protected]>
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Description of changes
This changeset removes
posix-fdtabas a hard dependency from allposix-*libraries that provide file implementations.This improves modularity, allowing for files to be used internally without exposing a userspace-visible file descriptor, nor requiring a file descriptor table at all.
Naturally, support for file-specific binary syscalls continues to require fdtab, as file descriptors are the only interface for userspace to pass file references to the kernel.
Prerequisite checklist
checkpatch.ukon your commit series before opening this PR;Base target
x86_64or N/A]kvm,xenor N/A]app-python3or N/A]Additional configuration
N/A