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Kernel: Add jail semantics to methods iterating over thread lists

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We should consider whether the selected Thread is within the same jail
or not.
Therefore let's make it clear to callers with jail semantics if a called
method checks if the desired Thread object is within the same jail.

As for Thread::for_each_* methods, currently nothing in the kernel
codebase needs iteration with consideration for jails, so the old
Thread::for_each* were simply renamed to include "ignoring_jails" suffix
in their names.
This commit is contained in:
Liav A 2023-09-09 18:09:42 +03:00 • committed by Andrew Kaster
parent 3a55a1b592
commit cbaa3465a8
7 changed files with 36 additions and 17 deletions
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2
Kernel/FileSystem/ProcFS/ProcessExposed.cpp
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@ -41,7 +41,7 @@ ErrorOr<NonnullRefPtr<Inode>> Process::lookup_as_directory(ProcFS& procfs, Strin
ErrorOr<void> Process::procfs_get_thread_stack(ThreadID thread_id, KBufferBuilder& builder) const
{
auto array = TRY(JsonArraySerializer<>::try_create(builder));
auto thread = Thread::from_tid(thread_id);
auto thread = Thread::from_tid_in_same_jail(thread_id);
if (!thread)
return ESRCH;
auto current_process_credentials = Process::current().credentials();