21 lines
566 B
C
21 lines
566 B
C
#pragma once
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// ke_semaphore.h - counting semaphore
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#include <stdint.h>
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#include <ob_object.h>
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#include <ke_spinlock.h>
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#include <ke_list.h>
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#include <ke_status.h>
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typedef struct SEMAPHORE {
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OBJECT Header;
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SPINLOCK Lock;
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int32_t Count;
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int32_t MaxCount;
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LIST_ENTRY WaitList;
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} SEMAPHORE;
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KSTATUS SemaphoreCreate(int32_t initial, int32_t max, SEMAPHORE **out);
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KSTATUS KeWaitSemaphore(SEMAPHORE* semaphore);
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KSTATUS KeTrySemaphore(SEMAPHORE* semaphore);
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void KeSignalSemaphore(SEMAPHORE* semaphore);
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