53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
#include "scheduler/process.h"
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#include "debug/debug.h"
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#include "memory/paging_util.h"
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#include "memory/physical_memory.h"
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#include "scheduler/scheduler.h"
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#include "scheduler/thread.h"
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namespace {
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static uint64_t gNextId = 1;
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}
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SharedPtr<Process> Process::RootProcess() {
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SharedPtr<Process> proc(new Process(0));
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proc->threads_.PushBack(Thread::RootThread(*proc));
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proc->next_thread_id_ = 1;
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return proc;
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}
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Process::Process() : id_(gNextId++), state_(RUNNING) {}
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void Process::CreateThread(uint64_t entry) {
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Thread* thread = new Thread(*this, next_thread_id_++, entry);
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threads_.PushBack(thread);
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gScheduler->Enqueue(thread);
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}
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SharedPtr<Thread> Process::GetThread(uint64_t tid) {
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auto iter = threads_.begin();
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while (iter != threads_.end()) {
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if (iter->tid() == tid) {
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return *iter;
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}
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++iter;
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}
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panic("Bad thread access.");
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return nullptr;
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}
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void Process::CheckState() {
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auto iter = threads_.begin();
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while (iter != threads_.end()) {
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if (iter->GetState() != Thread::FINISHED) {
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return;
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}
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++iter;
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}
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state_ = FINISHED;
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}
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