libwebsocket_service_fd: EAGAIN is harmless, treat like EINTR
libwebsocket_service_fd: EAGAIN is harmless, treat like EINTR

Only tested on linux.

Signed-off-by: Alon Levy <816c907b754fa7b5d4bb5eb91e0fc01e5510e64d@redhat.com>

jmillan/libwebsockets,PureSwift/libwebsockets,sartura/libwebsockets,pebble/libwebsockets,eagafonov/libwebsockets,cambridgehackers/libwebsockets,mushroomgithub/libwebsockets,mushroomgithub/libwebsockets,lukasz-skalski/libwebsockets,gameclosure/libwebsockets,turbulenz/libwebsockets,GroundControl-Solutions/libwebsockets,RobertoMalatesta/libwebsockets,tn0502/libwebsockets,RobertoMalatesta/libwebsockets,peeracle/libwebsockets,sanyaade-teachings/libwebsockets,dumganhar/libwebsockets,GroundControl-Solutions/libwebsockets,cambridgehackers/libwebsockets,pebble/libwebsockets,GroundControl-Solutions/libwebsockets,sanyaade-teachings/libwebsockets,maws/libwebsockets,Chilledheart/libwebsockets,pombredanne/libwebsockets,PureSwift/libwebsockets,mushroomgithub/libwebsockets,ralight/libwebsockets,antmicro/libwebsockets,SoapyMan/libwebsockets,JoakimSoderberg/libwebsockets,pebble/libwebsockets,SoapyMan/libwebsockets,kaostao/libwebsockets,cambridgehackers/libwebsockets,sartura/libwebsockets,FabianAussems/libwebsockets,PureSwift/libwebsockets,mralexgray/libwebsockets-xcode,PureSwift/libwebsockets,RobertoMalatesta/libwebsockets,abligh/libwebsockets,canopy-project/libwebsockets-canopy,DaYeSquad/libwebsockets,IOPOINT/libwebsockets,antmicro/libwebsockets,ralight/libwebsockets,pebble/libwebsockets,GroundControl-Solutions/libwebsockets,giovanni-liboni/libwebsockets,wenqiwooo/syslog-libwebsockets,wenqiwooo/syslog-libwebsockets,antmicro/libwebsockets,sartura/libwebsockets,sanyaade-teachings/libwebsockets,labatrockwell/libwebsockets,ralight/libwebsockets,wenqiwooo/syslog-libwebsockets,maws/libwebsockets,tn0502/libwebsockets,turbulenz/libwebsockets,peeracle/libwebsockets,pankona/libwebsockets,dumganhar/libwebsockets,tn0502/libwebsockets,ralight/libwebsockets,mralexgray/libwebsockets-xcode,sartura/libwebsockets,pankona/libwebsockets,pombredanne/libwebsockets,RobertoMalatesta/libwebsockets,labatrockwell/libwebsockets,sartura/libwebsockets,ralight/libwebsockets,mushroomgithub/libwebsockets,JoakimSoderberg/libwebsockets,SoapyMan/libwebsockets,abligh/libwebsockets,dtebbs/libwebsockets,DaYeSquad/libwebsockets,SoapyMan/libwebsockets,pankona/libwebsockets,cambridgehackers/libwebsockets,dumganhar/libwebsockets,lukasz-skalski/libwebsockets,dumganhar/libwebsockets,gameclosure/libwebsockets,giovanni-liboni/libwebsockets,maws/libwebsockets,giovanni-liboni/libwebsockets,pankona/libwebsockets,gameclosure/libwebsockets,dtebbs/libwebsockets,pombredanne/libwebsockets,canopy-project/libwebsockets-canopy,Chilledheart/libwebsockets,weimingtom/libwebsockets,FabianAussems/libwebsockets,eagafonov/libwebsockets,pombredanne/libwebsockets,giovanni-liboni/libwebsockets,kaostao/libwebsockets,kaostao/libwebsockets,antmicro/libwebsockets,sartura/libwebsockets,turbulenz/libwebsockets,DaYeSquad/libwebsockets,Chilledheart/libwebsockets,DaYeSquad/libwebsockets,IOPOINT/libwebsockets,gameclosure/libwebsockets,sanyaade-teachings/libwebsockets,canopy-project/libwebsockets-canopy,dtebbs/libwebsockets,labatrockwell/libwebsockets,dtebbs/libwebsockets,maws/libwebsockets,weimingtom/libwebsockets,abligh/libwebsockets,jmillan/libwebsockets,dumganhar/libwebsockets,tn0502/libwebsockets,PureSwift/libwebsockets,JoakimSoderberg/libwebsockets,SoapyMan/libwebsockets,sartura/libwebsockets,mralexgray/libwebsockets-xcode,jmillan/libwebsockets,eagafonov/libwebsockets,lukasz-skalski/libwebsockets,abligh/libwebsockets,wenqiwooo/syslog-libwebsockets,peeracle/libwebsockets,mralexgray/libwebsockets-xcode,lukasz-skalski/libwebsockets,FabianAussems/libwebsockets,GroundControl-Solutions/libwebsockets,kaostao/libwebsockets,FabianAussems/libwebsockets,DaYeSquad/libwebsockets,jmillan/libwebsockets,peeracle/libwebsockets,labatrockwell/libwebsockets,Chilledheart/libwebsockets,eagafonov/libwebsockets,peeracle/libwebsockets,weimingtom/libwebsockets,weimingtom/libwebsockets,JoakimSoderberg/libwebsockets,IOPOINT/libwebsockets