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Merge 39a8b34e4afbb42c37fa89fc2dcc8537d682c5ef into e3ca4a767a68d127df548d82669aba3689bd84f4

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Thomas Fischer 2024-05-24 13:28:58 +03:00 committed by GitHub
commit 62e3578bfd
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src/wsocket.c
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@ -127,7 +127,19 @@ int socket_connect(p_socket ps, SA *addr, socklen_t len, p_timeout tm) {
if (connect(*ps, addr, len) == 0) return IO_DONE;
/* make sure the system is trying to connect */
err = WSAGetLastError();
if (err == WSAEISCONN) return IO_DONE; // already connected?
// hotfix for nonblocking, slow TCP connections not returning instantly
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms737625(v=vs.85).aspx
// "Note In order to preserve backward compatibility, this error is reported as WSAEINVAL to Windows Sockets 1.1 applications that link to either Winsock.dll or Wsock32.dll."
// The only other valid reason to get WSAINVAL is that: The parameter s is a listening socket. So we hope that doesn't happen here.
if (err == WSAEINVAL) {
return WSAEALREADY;
}
if (err != WSAEWOULDBLOCK && err != WSAEINPROGRESS) return err;
/* zero timeout case optimization */
if (timeout_iszero(tm)) return IO_TIMEOUT;
/* we wait until something happens */