WSAOVERLAPPED
WSAOVERLAPPED ±¸Á¶Ã¼´Â ¿À¹ö·¦ I/O ¿¬»êÀÇ ½ÃÀÛ°ú µÚÀÌÀº ÀÛ¾÷ ¿Ï·áÀÇ »çÀÌ¿¡¼ÀÇ Åë½Å¼ö´ÜÀ» Á¦°øÇÕ´Ï´Ù. WSAOVERLAPPED ±¸Á¶Ã¼´Â Win32 OVERLAPPED ±¸Á¶Ã¼¿Í ȣȯ¼ºÀÌ ÀÖµµ·Ï µðÀÚÀÎ µÇ¾ú½À´Ï´Ù.
typedef struct _WSAOVERLAPPED {
DWORD Internal;
DWORD InternalHigh;
DWORD
Offset;
DWORD OffsetHigh;
WSAEVENT
hEvent;
} WSAOVERLAPPED, FAR * LPWSAOVERLAPPED;
Members
Internal
ÀÌ ¿¹ºñ Çʵå´Â ¿À¹ö·¦ I/O°¡
½ÇÇàµÇ´Â °÷¿¡¼ ³»ºÎÀûÀ¸·Î »ç¿ëµË´Ï´Ù. ¼³Ä¡°¡´ÉÇÑ ÆÄÀÏ ½Ã½ºÅÛ(IFS, Installable
File System) ÇÚµéÀÎ ¼ÒÄÏÀ» »ý¼ºÇÏ´Â ¼ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡¼, ÀÌ Çʵå´Â ±âº» ¿î¿µÃ¼Á¦¿¡¼
»ç¿ëµË´Ï´Ù. ´Ù¸¥ ¼ºñ½º ÇÁ·Î¹ÙÀÌ´õ(IFS ÇÁ·Î¹ÙÀÌ´õ°¡ ¾Æ´Ñ)¿¡¼ ÇÊ¿äÇÒ ¶§ ÀÌ
Çʵå´Â ÀÚÀ¯·ÎÀÌ »ç¿ë ÇÒ ¼ö ÀÖ½À´Ï´Ù.
InternalHigh
ÀÌ ¿¹ºñ Çʵå´Â ¿À¹ö·¦ I/O°¡
½ÇÇàµÇ´Â °÷¿¡¼ ³»ºÎÀûÀ¸·Î »ç¿ëµË´Ï´Ù. IFS ÇÚµéÀÎ ¼ÒÄÏÀ» »ý¼ºÇÏ´Â ¼ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡¼,
ÀÌ Çʵå´Â ±âº» ¿î¿µÃ¼Á¦¿¡¼ »ç¿ëµË´Ï´Ù. IFS °¡ ¾Æ´Ñ ÇÁ·Î¹ÙÀÌ´õ´Â ÇÊ¿äÇÒ ¶§ ÀÌ
Çʵ带 ÀÚÀ¯·ÎÀÌ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.
Offset
ÀÌ Çʵå´Â ¼ºñ½º ÇÁ·Î¹ÙÀÌ´õ°¡
»ç¿ëÇϱâ À§ÇØ ¿¹¾àµÇ¾î ÀÖ½À´Ï´Ù.
OffsetHigh
ÀÌ Çʵå´Â ¼ºñ½º ÇÁ·Î¹ÙÀÌ´õ°¡
»ç¿ëÇϱâ À§ÇØ ¿¹¾àµÇ¾î ÀÖ½À´Ï´Ù.
Event
¿À¹ö·¦ I/O¿¬»êÀÌ I/O ¿Ï·á ·çƾÀÌ
¾ø´Â »óÅ¿¡¼ ¹ß»ýµÇ¾ú´Ù¸é(lpCompletionRoutine ÀÌ NULLÀÏ °æ¿ì), ÀÌ Çʵå´Â
¿Ã¹Ù¸¥ WSAEVENT
°´Ã¼³ª NULLÀ» °¡Á®¾ß ÇÕ´Ï´Ù. ¹Ý¸é, lpCompletionRoutine ÀÌ NULL ÀÌ ¾Æ´Ï¶ó¸é,
¾îÇø®ÄÉÀ̼ÇÀº ÇÊ¿äÇÑ °æ¿ì ÀÌ Çʵ带 ÀÚÀ¯·ÎÀÌ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.