src/java.base/unix/native/libnet/net_util_md.h

*** 34,43 ****
--- 34,44 ----
  
  #include <sys/poll.h>
  
  int NET_Timeout(int s, long timeout);
  int NET_Read(int s, void* buf, size_t len);
+ int NET_NonBlockingRead(int s, void* buf, size_t len);
  int NET_RecvFrom(int s, void *buf, int len, unsigned int flags,
                   struct sockaddr *from, socklen_t *fromlen);
  int NET_ReadV(int s, const struct iovec * vector, int count);
  int NET_Send(int s, void *msg, int len, unsigned int flags);
  int NET_SendTo(int s, const void *msg, int len,  unsigned  int