No need to invoke Signal.interrupt if already terminated
No need to invoke Signal.interrupt if already terminated

eyu1988/ReactiveCocoa,zxq3220122/ReactiveCocoa,natan/ReactiveCocoa,DreamHill/ReactiveCocoa,rpowelll/ReactiveCocoa,imkerberos/ReactiveCocoa,cogddo/ReactiveCocoa,liufeigit/ReactiveCocoa,xiaoliyang/ReactiveCocoa,kevin-zqw/ReactiveCocoa,brasbug/ReactiveCocoa,takeshineshiro/ReactiveCocoa,dskatz22/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,jeelun/ReactiveCocoa,zhiwen1024/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,huiping192/ReactiveCocoa,hilllinux/ReactiveCocoa,wpstarnice/ReactiveCocoa,chao95957/ReactiveCocoa,yonekawa/ReactiveCocoa,Ray0218/ReactiveCocoa,gengjf/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,AlanJN/ReactiveCocoa,kaylio/ReactiveCocoa,LHDsimon/ReactiveCocoa,qq644531343/ReactiveCocoa,BrooksWon/ReactiveCocoa,CQXfly/ReactiveCocoa,ztchena/ReactiveCocoa,mtxs007/ReactiveCocoa,OneSmallTree/ReactiveCocoa,xumaolin/ReactiveCocoa,yoichitgy/ReactiveCocoa,windgo/ReactiveCocoa,zhaoguohui/ReactiveCocoa,almassapargali/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,sugar2010/ReactiveCocoa,dachaoisme/ReactiveCocoa,ShawnLeee/ReactiveCocoa,tonyli508/ReactiveCocoa,ceekayel/ReactiveCocoa,longv2go/ReactiveCocoa,jaylib/ReactiveCocoa,fhchina/ReactiveCocoa,kiurentu/ReactiveCocoa,BlessNeo/ReactiveCocoa,Ray0218/ReactiveCocoa,ericzhou2008/ReactiveCocoa,sandyway/ReactiveCocoa,Eveian/ReactiveCocoa,libiao88/ReactiveCocoa,leelili/ReactiveCocoa,shaohung001/ReactiveCocoa,j364960953/ReactiveCocoa,leichunfeng/ReactiveCocoa,longv2go/ReactiveCocoa,hbucius/ReactiveCocoa,calebd/ReactiveCocoa,yonekawa/ReactiveCocoa,buildo/ReactiveCocoa,goodheart/ReactiveCocoa,ohwutup/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,alvinvarghese/ReactiveCocoa,qq644531343/ReactiveCocoa,itschaitanya/ReactiveCocoa,jeelun/ReactiveCocoa,hj3938/ReactiveCocoa,brasbug/ReactiveCocoa,takeshineshiro/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,zxq3220122/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,tornade0913/ReactiveCocoa,zhigang1992/ReactiveCocoa,goodheart/ReactiveCocoa,fanghao085/ReactiveCocoa,smilypeda/ReactiveCocoa,esttorhe/ReactiveCocoa,luerhouhou/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,jackywpy/ReactiveCocoa,stupidfive/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,windgo/ReactiveCocoa,yoichitgy/ReactiveCocoa,wangqi211/ReactiveCocoa,tonyarnold/ReactiveCocoa,itschaitanya/ReactiveCocoa,ioshger0125/ReactiveCocoa,natan/ReactiveCocoa,ceekayel/ReactiveCocoa,ioshger0125/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,isghe/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,lixar/ReactiveCocoa,hoanganh6491/ReactiveCocoa,Khan/ReactiveCocoa,yizzuide/ReactiveCocoa,JohnJin007/ReactiveCocoa,andersio/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,huiping192/ReactiveCocoa,gengjf/ReactiveCocoa,tonyli508/ReactiveCocoa,howandhao/ReactiveCocoa,tonyli508/ReactiveCocoa,on99/ReactiveCocoa,Juraldinio/ReactiveCocoa,mxxiv/ReactiveCocoa,imkerberos/ReactiveCocoa,sandyway/ReactiveCocoa,zhukaixy/ReactiveCocoa,beni55/ReactiveCocoa,Farteen/ReactiveCocoa,SanChain/ReactiveCocoa,KJin99/ReactiveCocoa,sandyway/ReactiveCocoa,shaohung001/ReactiveCocoa,kevin-zqw/ReactiveCocoa,nikita-leonov/ReactiveCocoa,eyu1988/ReactiveCocoa,OneSmallTree/ReactiveCocoa,emodeqidao/ReactiveCocoa,fanghao085/ReactiveCocoa,libiao88/ReactiveCocoa,SuPair/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,tornade0913/ReactiveCocoa,tzongw/ReactiveCocoa,jam891/ReactiveCocoa,chieryw/ReactiveCocoa,fanghao085/ReactiveCocoa,hilllinux/ReactiveCocoa,sujeking/ReactiveCocoa,xiaobing2007/ReactiveCocoa,icepy/ReactiveCocoa,jsslai/ReactiveCocoa,Rupert-RR/ReactiveCocoa,ikesyo/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,cogddo/ReactiveCocoa,jaylib/ReactiveCocoa,pzw224/ReactiveCocoa,sdhzwm/ReactiveCocoa,goodheart/ReactiveCocoa,zxq3220122/ReactiveCocoa,yoichitgy/ReactiveCocoa,monkeydbobo/ReactiveCocoa,on99/ReactiveCocoa,Liquidsoul/ReactiveCocoa,sdhzwm/ReactiveCocoa,add715/ReactiveCocoa,Rupert-RR/ReactiveCocoa,almassapargali/ReactiveCocoa,zzzworm/ReactiveCocoa,smilypeda/ReactiveCocoa,richeterre/ReactiveCocoa,bensonday/ReactiveCocoa,zhenlove/ReactiveCocoa,mattpetters/ReactiveCocoa,llb1119/test,mtxs007/ReactiveCocoa,add715/ReactiveCocoa,jaylib/ReactiveCocoa,cstars135/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,Ricowere/ReactiveCocoa,kaylio/ReactiveCocoa,alvinvarghese/ReactiveCocoa,Khan/ReactiveCocoa,walkingsmarts/ReactiveCocoa,cstars135/ReactiveCocoa,andersio/ReactiveCocoa,mxxiv/ReactiveCocoa,add715/ReactiveCocoa,paulyoung/ReactiveCocoa,sugar2010/ReactiveCocoa,nickcheng/ReactiveCocoa,Ricowere/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,DreamHill/ReactiveCocoa,xulibao/ReactiveCocoa,WEIBP/ReactiveCocoa,JackLian/ReactiveCocoa,dullgrass/ReactiveCocoa,paulyoung/ReactiveCocoa,brasbug/ReactiveCocoa,towik/ReactiveCocoa,victorlin/ReactiveCocoa,Liquidsoul/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,libiao88/ReactiveCocoa,leichunfeng/ReactiveCocoa,buildo/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,FelixYin66/ReactiveCocoa,qq644531343/ReactiveCocoa,icepy/ReactiveCocoa,zzqiltw/ReactiveCocoa,hilllinux/ReactiveCocoa,jackywpy/ReactiveCocoa,dz1111/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,wangqi211/ReactiveCocoa,Ethan89/ReactiveCocoa,leichunfeng/ReactiveCocoa,stupidfive/ReactiveCocoa,tornade0913/ReactiveCocoa,DreamHill/ReactiveCocoa,isghe/ReactiveCocoa,bensonday/ReactiveCocoa,JohnJin007/ReactiveCocoa,200895045/ReactiveCocoa,stevielu/ReactiveCocoa,wpstarnice/ReactiveCocoa,taylormoonxu/ReactiveCocoa,Ethan89/ReactiveCocoa,xiaobing2007/ReactiveCocoa,xiaobing2007/ReactiveCocoa,bensonday/ReactiveCocoa,zzqiltw/ReactiveCocoa,tonyarnold/ReactiveCocoa,OneSmallTree/ReactiveCocoa,KuPai32G/ReactiveCocoa,xulibao/ReactiveCocoa,bscarano/ReactiveCocoa,clg0118/ReactiveCocoa,jam891/ReactiveCocoa,on99/ReactiveCocoa,richeterre/ReactiveCocoa,cnbin/ReactiveCocoa,Pingco/ReactiveCocoa,dullgrass/ReactiveCocoa,Eveian/ReactiveCocoa,esttorhe/ReactiveCocoa,FelixYin66/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,luerhouhou/ReactiveCocoa,pzw224/ReactiveCocoa,yytong/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,ikesyo/ReactiveCocoa,nikita-leonov/ReactiveCocoa,Farteen/ReactiveCocoa,luerhouhou/ReactiveCocoa,itschaitanya/ReactiveCocoa,alvinvarghese/ReactiveCocoa,ShawnLeee/ReactiveCocoa,SanChain/ReactiveCocoa,200895045/ReactiveCocoa,BrooksWon/ReactiveCocoa,kaylio/ReactiveCocoa,almassapargali/ReactiveCocoa,liufeigit/ReactiveCocoa,wangqi211/ReactiveCocoa,fhchina/ReactiveCocoa,SuPair/ReactiveCocoa,SuPair/ReactiveCocoa,Ricowere/ReactiveCocoa,Ray0218/ReactiveCocoa,paulyoung/ReactiveCocoa,KuPai32G/ReactiveCocoa,tzongw/ReactiveCocoa,jaylib/ReactiveCocoa,calebd/ReactiveCocoa,dskatz22/ReactiveCocoa,yonekawa/ReactiveCocoa,jsslai/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,vincentiss/ReactiveCocoa,loupman/ReactiveCocoa,Farteen/ReactiveCocoa,wpstarnice/ReactiveCocoa,yytong/ReactiveCocoa,xiaoliyang/ReactiveCocoa,bscarano/ReactiveCocoa,llb1119/test,JohnJin007/ReactiveCocoa,KJin99/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,Liquidsoul/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,clg0118/ReactiveCocoa,howandhao/ReactiveCocoa,towik/ReactiveCocoa,FelixYin66/ReactiveCocoa,leelili/ReactiveCocoa,natestedman/ReactiveCocoa,j364960953/ReactiveCocoa,Eveian/ReactiveCocoa,BlessNeo/ReactiveCocoa,Ethan89/ReactiveCocoa,Ricowere/ReactiveCocoa,Pingco/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,zhenlove/ReactiveCocoa,llb1119/test,CCOOOOLL/ReactiveCocoa,mxxiv/ReactiveCocoa,sdhzwm/ReactiveCocoa,jam891/ReactiveCocoa,cstars135/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,ddc391565320/ReactiveCocoa,KuPai32G/ReactiveCocoa,mtxs007/ReactiveCocoa,loupman/ReactiveCocoa,ddc391565320/ReactiveCocoa,zhigang1992/ReactiveCocoa,WEIBP/ReactiveCocoa,mattpetters/ReactiveCocoa,SanChain/ReactiveCocoa,rpowelll/ReactiveCocoa,monkeydbobo/ReactiveCocoa,fhchina/ReactiveCocoa,tzongw/ReactiveCocoa,longv2go/ReactiveCocoa,dz1111/ReactiveCocoa,zzqiltw/ReactiveCocoa,Pingco/ReactiveCocoa,ericzhou2008/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,ceekayel/ReactiveCocoa,windgo/ReactiveCocoa,takeshineshiro/ReactiveCocoa,walkingsmarts/ReactiveCocoa,hoanganh6491/ReactiveCocoa,tiger8888/ReactiveCocoa,nickcheng/ReactiveCocoa,chao95957/ReactiveCocoa,tonyarnold/ReactiveCocoa,shaohung001/ReactiveCocoa,AlanJN/ReactiveCocoa,jeelun/ReactiveCocoa,jrmiddle/ReactiveCocoa,eyu1988/ReactiveCocoa,zzzworm/ReactiveCocoa,kiurentu/ReactiveCocoa,JackLian/ReactiveCocoa,esttorhe/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,jackywpy/ReactiveCocoa,walkingsmarts/ReactiveCocoa,smilypeda/ReactiveCocoa,huiping192/ReactiveCocoa,Khan/ReactiveCocoa,KJin99/ReactiveCocoa,victorlin/ReactiveCocoa,LHDsimon/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,sujeking/ReactiveCocoa,AlanJN/ReactiveCocoa,gengjf/ReactiveCocoa,chieryw/ReactiveCocoa,jsslai/ReactiveCocoa,nikita-leonov/ReactiveCocoa,Rupert-RR/ReactiveCocoa,yizzuide/ReactiveCocoa,jrmiddle/ReactiveCocoa,buildo/ReactiveCocoa,dz1111/ReactiveCocoa,Juraldinio/ReactiveCocoa,vincentiss/ReactiveCocoa,sujeking/ReactiveCocoa,dullgrass/ReactiveCocoa,rpowelll/ReactiveCocoa,taylormoonxu/ReactiveCocoa,200895045/ReactiveCocoa,jrmiddle/ReactiveCocoa,zhukaixy/ReactiveCocoa,chieryw/ReactiveCocoa,xumaolin/ReactiveCocoa,zhiwen1024/ReactiveCocoa,hbucius/ReactiveCocoa,stevielu/ReactiveCocoa,kevin-zqw/ReactiveCocoa,tiger8888/ReactiveCocoa,ztchena/ReactiveCocoa,hj3938/ReactiveCocoa,dachaoisme/ReactiveCocoa,sugar2010/ReactiveCocoa,kiurentu/ReactiveCocoa,howandhao/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,loupman/ReactiveCocoa,mattpetters/ReactiveCocoa,BrooksWon/ReactiveCocoa,nickcheng/ReactiveCocoa,ohwutup/ReactiveCocoa,zhiwen1024/ReactiveCocoa,cnbin/ReactiveCocoa,yytong/ReactiveCocoa,LHDsimon/ReactiveCocoa,ericzhou2008/ReactiveCocoa,CQXfly/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,imkerberos/ReactiveCocoa,dskatz22/ReactiveCocoa,victorlin/ReactiveCocoa,Juraldinio/ReactiveCocoa,yizzuide/ReactiveCocoa,bscarano/ReactiveCocoa,stupidfive/ReactiveCocoa,clg0118/ReactiveCocoa,nickcheng/ReactiveCocoa,beni55/ReactiveCocoa,towik/ReactiveCocoa,hoanganh6491/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,liufeigit/ReactiveCocoa,WEIBP/ReactiveCocoa,xumaolin/ReactiveCocoa,zhaoguohui/ReactiveCocoa,zzzworm/ReactiveCocoa,ddc391565320/ReactiveCocoa,ohwutup/ReactiveCocoa,andersio/ReactiveCocoa,natan/ReactiveCocoa,BlessNeo/ReactiveCocoa,leelili/ReactiveCocoa,CQXfly/ReactiveCocoa,richeterre/ReactiveCocoa,natestedman/ReactiveCocoa,zhukaixy/ReactiveCocoa,huiping192/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,zhaoguohui/ReactiveCocoa,dachaoisme/ReactiveCocoa,ShawnLeee/ReactiveCocoa,esttorhe/ReactiveCocoa,chao95957/ReactiveCocoa,vincentiss/ReactiveCocoa,monkeydbobo/ReactiveCocoa,emodeqidao/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,isghe/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,xiaoliyang/ReactiveCocoa,ioshger0125/ReactiveCocoa,zhigang1992/ReactiveCocoa,tiger8888/ReactiveCocoa,lixar/ReactiveCocoa,j364960953/ReactiveCocoa,ztchena/ReactiveCocoa,hbucius/ReactiveCocoa,pzw224/ReactiveCocoa,lixar/ReactiveCocoa,natestedman/ReactiveCocoa,cnbin/ReactiveCocoa,beni55/ReactiveCocoa,hj3938/ReactiveCocoa,cogddo/ReactiveCocoa,JackLian/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,emodeqidao/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,taylormoonxu/ReactiveCocoa,xulibao/ReactiveCocoa,stevielu/ReactiveCocoa,icepy/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,zhenlove/ReactiveCocoa,calebd/ReactiveCocoa