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Kernel: Make PerformanceEventBuffer::add_process fallible with ErrorOr

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This commit is contained in:
Idan Horowitz
2022-01-11 21:50:12 +02:00
parent d2ffcfb762
commit 8a4654a924
4 changed files with 22 additions and 16 deletions
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11
Kernel/Process.cpp
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@@ -788,11 +788,12 @@ void Process::tracer_trap(Thread& thread, const RegisterState& regs)
bool Process::create_perf_events_buffer_if_needed()
{
if (!m_perf_event_buffer) {
m_perf_event_buffer = PerformanceEventBuffer::try_create_with_size(4 * MiB);
m_perf_event_buffer->add_process(*this, ProcessEventType::Create);
}
return !!m_perf_event_buffer;
if (m_perf_event_buffer)
return true;
m_perf_event_buffer = PerformanceEventBuffer::try_create_with_size(4 * MiB);
if (!m_perf_event_buffer)
return false;
return !m_perf_event_buffer->add_process(*this, ProcessEventType::Create).is_error();
}
void Process::delete_perf_events_buffer()