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The WSACancelBlockingCall function has been removed in compliance with the Windows Sockets 2 specification, revision 2.2.0.
The function is not exported directly by WS2_32.DLL and Windows Sockets 2 applications should not use this function. Windows Sockets 1.1 applications that call this function are still supported through the WINSOCK.DLL and WSOCK32.DLL.
Blocking hooks are generally used to keep a single-threaded GUI application responsive during calls to blocking functions. Instead of using blocking hooks, an applications should use a separate thread (separate from the main GUI thread) for network activity.
Syntax
int WSAAPI WSACancelBlockingCall();
Return value
None
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | winsock2.h |