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[kernel] Give processes and threads self handles

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It was not consistent how processes got handles to themselves or their
threads, ending up with double entries. Now make such handles automatic
and expose them with new self_handle() methods.
This commit is contained in:
Justin C. Miller
2021-01-06 23:14:39 -08:00
parent 1325706c7c
commit 14ed6af433
6 changed files with 18 additions and 4 deletions
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6
src/kernel/objects/process.cpp
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@@ -21,13 +21,16 @@ process::process() :
m_state {state::running}
{
s_processes.append(this);
j6_handle_t self = add_handle(this);
kassert(self == self_handle(), "Process self-handle is not 0");
}
// The "kernel process"-only constructor
process::process(page_table *kpml4) :
kobject {kobject::type::process},
m_space {kpml4},
m_next_handle {0},
m_next_handle {self_handle()+1},
m_state {state::running}
{
}
@@ -120,6 +123,7 @@ process::thread_exited(thread *th)
kassert(&th->m_parent == this, "Process got thread_exited for non-child!");
uint32_t status = th->m_return_code;
m_threads.remove_swap(th);
remove_handle(th->self_handle());
delete th;
if (m_threads.count() == 0) {