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Kernel: Protect Thread::m_name with a spinlock

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This replaces manually grabbing the thread's main lock.

This lets us remove the `get_thread_name` and `set_thread_name` syscalls
from the big lock. :^)
This commit is contained in:
Sam Atkins 2023-02-04 14:11:35 +00:00 • committed by Andreas Kling
parent fe7b08dad7
commit 1014aefe64
5 changed files with 27 additions and 27 deletions
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2
Kernel/FileSystem/SysFS/Subsystems/Kernel/Processes.cpp
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@ -118,7 +118,7 @@ ErrorOr<void> SysFSOverallProcesses::try_generate(KBufferBuilder& builder)
TRY(thread_object.add("lock_count"sv, thread.lock_count()));
#endif
TRY(thread_object.add("tid"sv, thread.tid().value()));
TRY(thread_object.add("name"sv, thread.name()));
TRY(thread.name().with([&](auto& thread_name) { return thread_object.add("name"sv, thread_name->view()); }));
TRY(thread_object.add("times_scheduled"sv, thread.times_scheduled()));
TRY(thread_object.add("time_user"sv, thread.time_in_user()));
TRY(thread_object.add("time_kernel"sv, thread.time_in_kernel()));