int flags;
do
+ {
flags= fcntl(ptr->fd, F_GETFL, 0);
+ }
while (flags == -1 && (errno == EINTR || errno == EAGAIN));
unlikely (flags == -1)
int rval;
do
+ {
rval= fcntl(ptr->fd, F_SETFL, flags | O_NONBLOCK);
+ }
while (rval == -1 && (errno == EINTR || errno == EAGAIN));
unlikely (rval == -1)