MSG_DONTWAIT
ret = recv(fds[0].fd, &dummy, sizeof(dummy), MSG_DONTWAIT);
if (flags & (MSG_FNONBLOCKING|MSG_DONTWAIT))
(((flags & MSG_DONTWAIT) == 0 &&
if (flags & (MSG_FNONBLOCKING|MSG_DONTWAIT)) {
if (m == NULL || (((flags & MSG_DONTWAIT) == 0 &&
if (flags & (MSG_FNONBLOCKING|MSG_DONTWAIT)) {
#define SBLOCKWAIT(f) (((f) & MSG_DONTWAIT) ? M_NOWAIT : M_WAITOK)
if (flags & (MSG_FNONBLOCKING|MSG_DONTWAIT))
if (flags & (MSG_FNONBLOCKING|MSG_DONTWAIT))
flags = MSG_DONTWAIT;
flags = MSG_DONTWAIT;
flags = MSG_DONTWAIT;
error = nbssn_recvhdr(nbp, &savelen, &rpcode, MSG_DONTWAIT, td);
flags = MSG_DONTWAIT;
flags = MSG_DONTWAIT;
int mflags = MSG_DONTWAIT;
mflags = MSG_DONTWAIT;