34 lines
680 B
C
34 lines
680 B
C
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#pragma once
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#include <glacier/container/intrusive_list.h>
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#include <glacier/memory/ref_ptr.h>
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#include "include/ztypes.h"
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#include "object/kernel_object.h"
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#include "object/thread.h"
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class Semaphore;
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template <>
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struct KernelObjectTag<Semaphore> {
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static const uint64_t type = KernelObject::SEMAPHORE;
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};
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class Semaphore : public KernelObject {
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public:
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uint64_t TypeTag() override { return KernelObject::SEMAPHORE; }
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static uint64_t DefaultPermissions() {
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return kZionPerm_Wait | kZionPerm_Signal;
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}
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static glcr::RefPtr<Semaphore> Create();
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void Wait();
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void Signal();
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private:
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uint8_t lock_ = 0;
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glcr::IntrusiveList<Thread> blocked_threads_;
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};
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