#ifndef COSMOPOLITAN_LIBC_NT_IOCP_H_
#define COSMOPOLITAN_LIBC_NT_IOCP_H_
#include "libc/nt/struct/overlapped.h"
#include "libc/nt/struct/overlappedentry.h"
/*                            ââââ
                       âââââââââââââââââ
                      ââââââââââââââââââââ
                     ââââââââââââââââââââ  âââ
                     âââââââââââââââââââ   âââââââ        ââââââ
                    ââââââââââââââââââââ  âââââââââââââââââââââ
                   ââââââââââââââââââââ   âââââââââââââââââââââ
                   ââââââââââââââââââââ  âââââââââââââââââââââ
                  ââââââââââââââââââââ  ââââââââââââââââââââââ
                  ââââââ      âââââââ   âââââââââââââââââââââ
                                   ââ  âââââââââââââââââââââ
                  âââââââââââââââ      âââââââââââââââââââââ
                ââââââââââââââââââââ     ââââââââââââââââââ
               ââââââââââââââââââââ   ââ      ââââââ
               ââââââââââââââââââââ  âââââââ         âââââ   ââââââââââââ
              ââââââââââââââââââââ  ââââââââââââââââââââââ           ââââ
              âââââââââââââââââââ   âââââââââââââââââââââ            âââ
             ââââââââââââââââââââ  âââââââââââââââââââââ            âââ
             âââââââââââââââââââ   âââââââââââââââââââââ           âââ
            ââââââââââââââââââââ  âââââââââââââââââââââ           âââ
                            âââ  ââââââââââââââââââââââ          âââ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ
â cosmopolitan Â§ new technology Â» i/o completion ports                     ââ¬âââ¼
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/

#define kNtFileSkipCompletionPortOnSuccess 1
#define kNtFileSkipSetEventOnHandle        2

#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_

typedef void (*NtOverlappedCompletionRoutine)(
    uint32_t dwErrorCode, uint32_t dwNumberOfBytesTransfered,
    struct NtOverlapped *inout_lpOverlapped);

int64_t CreateIoCompletionPort(int64_t FileHandleOrNeg1,
                               int64_t opt_ExistingCompletionPortOrZero,
                               void *StatePointer,
                               uint32_t NumberOfConcurrentThreads);

bool32 GetQueuedCompletionStatus(int64_t CompletionPort,
                                 uint32_t *lpNumberOfBytesTransferred,
                                 void *StatePointerPointer,
                                 struct NtOverlapped **lpOverlapped,
                                 uint32_t dwMilliseconds);

bool32 GetQueuedCompletionStatusEx(
    int64_t CompletionPort,
    struct NtOverlappedEntry *out_lpCompletionPortEntries, uint32_t ulCount,
    uint32_t *out_ulNumEntriesRemoved, uint32_t dwMilliseconds,
    bool32 fAlertable);

bool32 PostQueuedCompletionStatus(int64_t CompletionPort,
                                  uint32_t dwNumberOfBytesTransferred,
                                  uint32_t *dwCompletionKey,
                                  struct NtOverlapped *opt_lpOverlapped);

bool32 SetFileCompletionNotificationModes(int64_t FileHandle,
                                          unsigned char Flags);

bool32 ReadFileEx(int64_t hFile, void *lpBuffer, uint32_t nNumberOfBytesToRead,
                  uint32_t *lpNumberOfBytesRead,
                  struct NtOverlapped *opt_lpOverlapped,
                  NtOverlappedCompletionRoutine lpCompletionRoutine);

bool32 WriteFileEx(int64_t hFile, const void *lpBuffer,
                   uint32_t nNumberOfBytesToWrite,
                   struct NtOverlapped *lpOverlapped,
                   NtOverlappedCompletionRoutine lpCompletionRoutine);

COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NT_IOCP_H_ */
