socket_poll.h

 
#pragma once
 
#ifndef _WIN32
#include <sys/poll.h>
#else
#if defined(NTDDI_VERSION) && (!defined(NTDDI_VISTA) || (NTDDI_VERSION < NTDDI_VISTA))
// These are only defined in winsock2.h on newer windows but we need them everywhere.
#define POLLRDNORM 0x0100
#define POLLRDBAND 0x0200
#define POLLIN (POLLRDNORM | POLLRDBAND)
#define POLLPRI 0x0400
 
#define POLLWRNORM 0x0010
#define POLLOUT (POLLWRNORM)
#define POLLWRBAND 0x0020
 
#define POLLERR 0x0001
#define POLLHUP 0x0002
#define POLLNVAL 0x0004
 
struct pollfd {
    SOCKET fd;
    SHORT events;
    SHORT revents;
};
#endif  // old windows
#endif  // ndef _WIN32
 
namespace mongo {
bool isPollSupported();
int socketPoll(pollfd* fdarray, unsigned long nfds, int timeout);
}