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Kernel: Protect Process::m_name with a spinlock

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This also lets us remove the `get_process_name` and `set_process_name`
syscalls from the big lock. :^)
This commit is contained in:
Sam Atkins 2023-02-04 13:01:46 +00:00 • committed by Andreas Kling
parent b26ecca970
commit fe7b08dad7
13 changed files with 102 additions and 42 deletions
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4
Kernel/Syscalls/thread.cpp
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@ -47,7 +47,9 @@ ErrorOr<FlatPtr> Process::sys$create_thread(void* (*entry)(void*), Userspace<Sys
// We know this thread is not the main_thread,
// So give it a unique name until the user calls $set_thread_name on it
auto new_thread_name = TRY(KString::formatted("{} [{}]", m_name, thread->tid().value()));
auto new_thread_name = TRY(name().with([&](auto& process_name) {
return KString::formatted("{} [{}]", process_name->view(), thread->tid().value());
}));
thread->set_name(move(new_thread_name));
if (!is_thread_joinable)