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https://github.com/RGBCube/serenity
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8cbb7f101f
This will allow us to implement different behaviors depending on the role of the descriptor a File is being accessed through.
35 lines
756 B
C++
35 lines
756 B
C++
#include <Kernel/ProcessTracer.h>
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#include <AK/kstdio.h>
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ProcessTracer::ProcessTracer(pid_t pid)
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: m_pid(pid)
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{
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}
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ProcessTracer::~ProcessTracer()
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{
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}
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void ProcessTracer::did_syscall(dword function, dword arg1, dword arg2, dword arg3, dword result)
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{
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CallData data = { function, arg1, arg2, arg3, result };
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m_calls.enqueue(data);
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}
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int ProcessTracer::read(FileDescriptor&, byte* buffer, int buffer_size)
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{
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if (m_calls.is_empty())
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return 0;
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auto data = m_calls.dequeue();
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// FIXME: This should not be an assertion.
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ASSERT(buffer_size == sizeof(data));
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memcpy(buffer, &data, sizeof(data));
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return sizeof(data);
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}
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String ProcessTracer::absolute_path() const
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{
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return String::format("tracer:%d", m_pid);
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}
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