osdSockUnsentCount.c File Reference

#include "osiSock.h"
#include <mstcpip.h>

Include dependency graph for osdSockUnsentCount.c:

Go to the source code of this file.

Macros
#define	EPICS_PRIVATE_API

Functions
int	epicsSocketUnsentCount (SOCKET sock)

Macro Definition Documentation

#define EPICS_PRIVATE_API

Definition at line 6 of file osdSockUnsentCount.c.

Function Documentation

int epicsSocketUnsentCount

(

SOCKET

sock

)

Definition at line 14 of file osdSockUnsentCount.c.

                                        {
#ifdef SIO_TCP_INFO
/* Windows 10 Version 1703 / Server 2016 */
    DWORD infoVersion = 0, bytesReturned;
    TCP_INFO_v0 tcpInfo;
    int status;
    if ((status = WSAIoctl(sock, SIO_TCP_INFO, &infoVersion, sizeof(infoVersion),
        &tcpInfo, sizeof(tcpInfo), &bytesReturned, NULL, NULL)) == 0)
        return tcpInfo.BytesInFlight;
#endif
    return -1;
}