#include <Kernel/ProcessTracer.h>
#include <AK/kstdio.h>

ProcessTracer::ProcessTracer(pid_t pid)
    : m_pid(pid)
{

}

ProcessTracer::~ProcessTracer()
{

}

void ProcessTracer::did_syscall(dword function, dword arg1, dword arg2, dword arg3, dword result)
{
    CallData data = { function, arg1, arg2, arg3, result };
    m_calls.enqueue(data);
}

int ProcessTracer::read(byte* buffer, int buffer_size)
{
    if (!m_calls.is_empty()) {
        auto data = m_calls.dequeue();
        // FIXME: This should not be an assertion.
        ASSERT(buffer_size == sizeof(data));
        memcpy(buffer, &data, sizeof(data));
        return sizeof(data);
    }
    return 0;
}