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26 lines
513 B
C
26 lines
513 B
C
#include "socket.h"
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#ifndef __MINGW32__
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#endif
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#include <errno.h>
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#if defined(TCP_FASTOPEN) && !defined(SOL_TCP) && defined(IPPROTO_TCP)
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#define SOL_TCP IPPROTO_TCP
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#endif
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int socket_fastopen(int s) {
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#if defined(SOL_TCP) && defined(TCP_FASTOPEN)
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return setsockopt(s,SOL_TCP,TCP_FASTOPEN,(int[]){ 5 }, sizeof(int));
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#else
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#ifdef ENOPROTOOPT
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errno=ENOPROTOOPT;
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#else
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errno=ENOSYS;
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#endif
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return -1;
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#endif
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}
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