Fixed semaphore_t queueing behavior and added in_callback assertions.
Fixed semaphore_t queueing behavior and added in_callback assertions.

ayumilong/rethinkdb,bpradipt/rethinkdb,grandquista/rethinkdb,RubenKelevra/rethinkdb,yakovenkodenis/rethinkdb,RubenKelevra/rethinkdb,bpradipt/rethinkdb,ajose01/rethinkdb,nviennot/rethinkdb,grandquista/rethinkdb,nviennot/rethinkdb,wujf/rethinkdb,mcanthony/rethinkdb,bchavez/rethinkdb,urandu/rethinkdb,Qinusty/rethinkdb,wkennington/rethinkdb,gavioto/rethinkdb,rrampage/rethinkdb,sebadiaz/rethinkdb,dparnell/rethinkdb,JackieXie168/rethinkdb,spblightadv/rethinkdb,niieani/rethinkdb,losywee/rethinkdb,nviennot/rethinkdb,sontek/rethinkdb,sbusso/rethinkdb,spblightadv/rethinkdb,gdi2290/rethinkdb,4talesa/rethinkdb,wkennington/rethinkdb,nviennot/rethinkdb,losywee/rethinkdb,mcanthony/rethinkdb,wkennington/rethinkdb,dparnell/rethinkdb,gdi2290/rethinkdb,captainpete/rethinkdb,tempbottle/rethinkdb,yakovenkodenis/rethinkdb,dparnell/rethinkdb,matthaywardwebdesign/rethinkdb,mquandalle/rethinkdb,sontek/rethinkdb,ajose01/rethinkdb,grandquista/rethinkdb,ayumilong/rethinkdb,urandu/rethinkdb,RubenKelevra/rethinkdb,niieani/rethinkdb,pap/rethinkdb,nviennot/rethinkdb,victorbriz/rethinkdb,Wilbeibi/rethinkdb,bchavez/rethinkdb,robertjpayne/rethinkdb,sontek/rethinkdb,elkingtonmcb/rethinkdb,dparnell/rethinkdb,bpradipt/rethinkdb,elkingtonmcb/rethinkdb,scripni/rethinkdb,yaolinz/rethinkdb,ajose01/rethinkdb,matthaywardwebdesign/rethinkdb,gavioto/rethinkdb,urandu/rethinkdb,lenstr/rethinkdb,elkingtonmcb/rethinkdb,greyhwndz/rethinkdb,eliangidoni/rethinkdb,yakovenkodenis/rethinkdb,greyhwndz/rethinkdb,pap/rethinkdb,captainpete/rethinkdb,bpradipt/rethinkdb,bpradipt/rethinkdb,robertjpayne/rethinkdb,dparnell/rethinkdb,eliangidoni/rethinkdb,Wilbeibi/rethinkdb,grandquista/rethinkdb,captainpete/rethinkdb,Wilbeibi/rethinkdb,sebadiaz/rethinkdb,ayumilong/rethinkdb,sontek/rethinkdb,sebadiaz/rethinkdb,yaolinz/rethinkdb,gdi2290/rethinkdb,bchavez/rethinkdb,Wilbeibi/rethinkdb,bpradipt/rethinkdb,greyhwndz/rethinkdb,rrampage/rethinkdb,greyhwndz/rethinkdb,nviennot/rethinkdb,greyhwndz/rethinkdb,wojons/rethinkdb,wojons/rethinkdb,Qinusty/rethinkdb,gavioto/rethinkdb,bchavez/rethinkdb,4talesa/rethinkdb,eliangidoni/rethinkdb,victorbriz/rethinkdb,JackieXie168/rethinkdb,Wilbeibi/rethinkdb,pap/rethinkdb,bpradipt/rethinkdb,grandquista/rethinkdb,gavioto/rethinkdb,marshall007/rethinkdb,mbroadst/rethinkdb,gdi2290/rethinkdb,ayumilong/rethinkdb,JackieXie168/rethinkdb,captainpete/rethinkdb,alash3al/rethinkdb,rrampage/rethinkdb,mquandalle/rethinkdb,KSanthanam/rethinkdb,sebadiaz/rethinkdb,JackieXie168/rethinkdb,mquandalle/rethinkdb,marshall007/rethinkdb,eliangidoni/rethinkdb,victorbriz/rethinkdb,marshall007/rethinkdb,alash3al/rethinkdb,Qinusty/rethinkdb,wujf/rethinkdb,sbusso/rethinkdb,yaolinz/rethinkdb,captainpete/rethinkdb,KSanthanam/rethinkdb,jmptrader/rethinkdb,4talesa/rethinkdb,RubenKelevra/rethinkdb,catroot/rethinkdb,sebadiaz/rethinkdb,ajose01/rethinkdb,bchavez/rethinkdb,urandu/rethinkdb,wojons/rethinkdb,bchavez/rethinkdb,urandu/rethinkdb,mquandalle/rethinkdb,rrampage/rethinkdb,jfriedly/rethinkdb,KSanthanam/rethinkdb,KSanthanam/rethinkdb,mcanthony/rethinkdb,jesseditson/rethinkdb,Wilbeibi/rethinkdb,sontek/rethinkdb,KSanthanam/rethinkdb,lenstr/rethinkdb,robertjpayne/rethinkdb,robertjpayne/rethinkdb,gavioto/rethinkdb,Qinusty/rethinkdb,sbusso/rethinkdb,niieani/rethinkdb,mquandalle/rethinkdb,catroot/rethinkdb,mquandalle/rethinkdb,jmptrader/rethinkdb,gdi2290/rethinkdb,gavioto/rethinkdb,AtnNn/rethinkdb,marshall007/rethinkdb,sbusso/rethinkdb,ayumilong/rethinkdb,wujf/rethinkdb,alash3al/rethinkdb,ajose01/rethinkdb,AntouanK/rethinkdb,4talesa/rethinkdb,wojons/rethinkdb,scripni/rethinkdb,4talesa/rethinkdb,Wilbeibi/rethinkdb,victorbriz/rethinkdb,AtnNn/rethinkdb,tempbottle/rethinkdb,mcanthony/rethinkdb,yakovenkodenis/rethinkdb,eliangidoni/rethinkdb,jfriedly/rethinkdb,robertjpayne/rethinkdb,yaolinz/rethinkdb,jmptrader/rethinkdb,yakovenkodenis/rethinkdb,mbroadst/rethinkdb,ajose01/rethinkdb,sontek/rethinkdb,spblightadv/rethinkdb,ajose01/rethinkdb,victorbriz/rethinkdb,wojons/rethinkdb,losywee/rethinkdb,catroot/rethinkdb,catroot/rethinkdb,lenstr/rethinkdb,losywee/rethinkdb,elkingtonmcb/rethinkdb,wujf/rethinkdb,KSanthanam/rethinkdb,niieani/rethinkdb,captainpete/rethinkdb,gdi2290/rethinkdb,wujf/rethinkdb,matthaywardwebdesign/rethinkdb,scripni/rethinkdb,tempbottle/rethinkdb,RubenKelevra/rethinkdb,victorbriz/rethinkdb,jesseditson/rethinkdb,sontek/rethinkdb,yaolinz/rethinkdb,lenstr/rethinkdb,tempbottle/rethinkdb,AtnNn/rethinkdb,elkingtonmcb/rethinkdb,wojons/rethinkdb,robertjpayne/rethinkdb,niieani/rethinkdb,jfriedly/rethinkdb,scripni/rethinkdb,captainpete/rethinkdb,lenstr/rethinkdb,JackieXie168/rethinkdb,Qinusty/rethinkdb,Qinusty/rethinkdb,rrampage/rethinkdb,mbroadst/rethinkdb,alash3al/rethinkdb,Wilbeibi/rethinkdb,jesseditson/rethinkdb,yaolinz/rethinkdb,yaolinz/rethinkdb,pap/rethinkdb,AtnNn/rethinkdb,scripni/rethinkdb,catroot/rethinkdb,mcanthony/rethinkdb,mquandalle/rethinkdb,robertjpayne/rethinkdb,scripni/rethinkdb,spblightadv/rethinkdb,JackieXie168/rethinkdb,matthaywardwebdesign/rethinkdb,AtnNn/rethinkdb,lenstr/rethinkdb,urandu/rethinkdb,AntouanK/rethinkdb,wojons/rethinkdb,grandquista/rethinkdb,jfriedly/rethinkdb,spblightadv/rethinkdb,AntouanK/rethinkdb,nviennot/rethinkdb,jmptrader/rethinkdb,wkennington/rethinkdb,jfriedly/rethinkdb,yaolinz/rethinkdb,wkennington/rethinkdb,tempbottle/rethinkdb,lenstr/rethinkdb,Qinusty/rethinkdb,bchavez/rethinkdb,losywee/rethinkdb,dparnell/rethinkdb,tempbottle/rethinkdb,pap/rethinkdb,losywee/rethinkdb,pap/rethinkdb,AtnNn/rethinkdb,wujf/rethinkdb,RubenKelevra/rethinkdb,KSanthanam/rethinkdb,wkennington/rethinkdb,matthaywardwebdesign/rethinkdb,scripni/rethinkdb,alash3al/rethinkdb,spblightadv/rethinkdb,jesseditson/rethinkdb,alash3al/rethinkdb,mbroadst/rethinkdb,marshall007/rethinkdb,jfriedly/rethinkdb,rrampage/rethinkdb,bchavez/rethinkdb,RubenKelevra/rethinkdb,mcanthony/rethinkdb,grandquista/rethinkdb,catroot/rethinkdb,ayumilong/rethinkdb,grandquista/rethinkdb,ayumilong/rethinkdb,AtnNn/rethinkdb,greyhwndz/rethinkdb,ayumilong/rethinkdb,sontek/rethinkdb,jmptrader/rethinkdb,elkingtonmcb/rethinkdb,matthaywardwebdesign/rethinkdb,sbusso/rethinkdb,jesseditson/rethinkdb,mbroadst/rethinkdb,greyhwndz/rethinkdb,mquandalle/rethinkdb,Qinusty/rethinkdb,mcanthony/rethinkdb,wujf/rethinkdb,sebadiaz/rethinkdb,victorbriz/rethinkdb,victorbriz/rethinkdb,jmptrader/rethinkdb,dparnell/rethinkdb,bchavez/rethinkdb,gavioto/rethinkdb,AntouanK/rethinkdb,scripni/rethinkdb,mbroadst/rethinkdb,jfriedly/rethinkdb,yakovenkodenis/rethinkdb,catroot/rethinkdb,elkingtonmcb/rethinkdb,sebadiaz/rethinkdb,mbroadst/rethinkdb,sbusso/rethinkdb,wkennington/rethinkdb,marshall007/rethinkdb,elkingtonmcb/rethinkdb,pap/rethinkdb,ajose01/rethinkdb,niieani/rethinkdb,niieani/rethinkdb,4talesa/rethinkdb,pap/rethinkdb,jesseditson/rethinkdb,mcanthony/rethinkdb,spblightadv/rethinkdb,rrampage/rethinkdb,gavioto/rethinkdb,eliangidoni/rethinkdb,bpradipt/rethinkdb,dparnell/rethinkdb,alash3al/rethinkdb,AntouanK/rethinkdb,mbroadst/rethinkdb,urandu/rethinkdb,gdi2290/rethinkdb,jmptrader/rethinkdb,urandu/rethinkdb,nviennot/rethinkdb,jesseditson/rethinkdb,niieani/rethinkdb,RubenKelevra/rethinkdb,losywee/rethinkdb,JackieXie168/rethinkdb,eliangidoni/rethinkdb,yakovenkodenis/rethinkdb,robertjpayne/rethinkdb,marshall007/rethinkdb,captainpete/rethinkdb,matthaywardwebdesign/rethinkdb,tempbottle/rethinkdb,jesseditson/rethinkdb,mbroadst/rethinkdb,jmptrader/rethinkdb,JackieXie168/rethinkdb,sbusso/rethinkdb,losywee/rethinkdb,greyhwndz/rethinkdb,sbusso/rethinkdb,AntouanK/rethinkdb,eliangidoni/rethinkdb,marshall007/rethinkdb,4talesa/rethinkdb,4talesa/rethinkdb,wojons/rethinkdb,AntouanK/rethinkdb,catroot/rethinkdb,eliangidoni/rethinkdb,bpradipt/rethinkdb,AtnNn/rethinkdb,alash3al/rethinkdb,JackieXie168/rethinkdb,yakovenkodenis/rethinkdb,spblightadv/rethinkdb,dparnell/rethinkdb,KSanthanam/rethinkdb,Qinusty/rethinkdb,rrampage/rethinkdb,matthaywardwebdesign/rethinkdb,jfriedly/rethinkdb,robertjpayne/rethinkdb,sebadiaz/rethinkdb,lenstr/rethinkdb,tempbottle/rethinkdb,AntouanK/rethinkdb,grandquista/rethinkdb,wkennington/rethinkdb