Guard against double pollset shutdown completion
Guard against double pollset shutdown completion

grani/grpc,matt-kwong/grpc,murgatroid99/grpc,PeterFaiman/ruby-grpc-minimal,msiedlarek/grpc,deepaklukose/grpc,deepaklukose/grpc,madongfly/grpc,Vizerai/grpc,LuminateWireless/grpc,w4-sjcho/grpc,a11r/grpc,ipylypiv/grpc,thunderboltsid/grpc,carl-mastrangelo/grpc,murgatroid99/grpc,madongfly/grpc,wangyikai/grpc,w4-sjcho/grpc,hstefan/grpc,grpc/grpc,ofrobots/grpc,wangyikai/grpc,baylabs/grpc,LuminateWireless/grpc,jcanizales/grpc,doubi-workshop/grpc,royalharsh/grpc,sreecha/grpc,miselin/grpc,wcevans/grpc,grpc/grpc,hstefan/grpc,simonkuang/grpc,royalharsh/grpc,mehrdada/grpc,soltanmm-google/grpc,ksophocleous/grpc,maxwell-demon/grpc,baylabs/grpc,simonkuang/grpc,thinkerou/grpc,greasypizza/grpc,infinit/grpc,larsonmpdx/grpc,daniel-j-born/grpc,soltanmm-google/grpc,a11r/grpc,hstefan/grpc,Vizerai/grpc,kriswuollett/grpc,jboeuf/grpc,tamihiro/grpc,matt-kwong/grpc,chrisdunelm/grpc,Vizerai/grpc,maxwell-demon/grpc,chrisdunelm/grpc,bjori/grpc,tengyifei/grpc,thunderboltsid/grpc,soltanmm-google/grpc,ppietrasa/grpc,thunderboltsid/grpc,jtattermusch/grpc,simonkuang/grpc,infinit/grpc,apolcyn/grpc,yongni/grpc,baylabs/grpc,wangyikai/grpc,philcleveland/grpc,cgvarela/grpc,crast/grpc,LuminateWireless/grpc,pszemus/grpc,leifurhauks/grpc,simonkuang/grpc,ananthonline/grpc,jcanizales/grpc,matt-kwong/grpc,mehrdada/grpc,podsvirov/grpc,LuminateWireless/grpc,soltanmm-google/grpc,baylabs/grpc,geffzhang/grpc,ksophocleous/grpc,tamihiro/grpc,yugui/grpc,yang-g/grpc,tamihiro/grpc,ipylypiv/grpc,simonkuang/grpc,ctiller/grpc,JoeWoo/grpc,ppietrasa/grpc,fichter/grpc,wangyikai/grpc,donnadionne/grpc,cgvarela/grpc,rjshade/grpc,ksophocleous/grpc,chrisdunelm/grpc,leifurhauks/grpc,hstefan/grpc,muxi/grpc,ejona86/grpc,vsco/grpc,kpayson64/grpc,msmania/grpc,pszemus/grpc,miselin/grpc,muxi/grpc,tempbottle/grpc,y-zeng/grpc,xtopsoft/grpc,carl-mastrangelo/grpc,bjori/grpc,zhimingxie/grpc,vsco/grpc,ejona86/grpc,ejona86/grpc,pmarks-net/grpc,tengyifei/grpc,simonkuang/grpc,greasypizza/grpc,ananthonline/grpc,yugui/grpc,wcevans/grpc,vjpai/grpc,carl-mastrangelo/grpc,fuchsia-mirror/third_party-grpc,crast/grpc,andrewpollock/grpc,yinsu/grpc,tempbottle/grpc,soltanmm/grpc,kskalski/grpc,yang-g/grpc,muxi/grpc,xtopsoft/grpc,greasypizza/grpc,fuchsia-mirror/third_party-grpc,leifurhauks/grpc,geffzhang/grpc,a-veitch/grpc,dgquintas/grpc,ofrobots/grpc,ncteisen/grpc,pszemus/grpc,maxwell-demon/grpc,stanley-cheung/grpc,PeterFaiman/ruby-grpc-minimal,murgatroid99/grpc,VcamX/grpc,malexzx/grpc,ctiller/grpc,dklempner/grpc,a11r/grpc,tempbottle/grpc,apolcyn/grpc,malexzx/grpc,vsco/grpc,wcevans/grpc,y-zeng/grpc,perumaalgoog/grpc,geffzhang/grpc,royalharsh/grpc,7anner/grpc,xtopsoft/grpc,soltanmm/grpc,tempbottle/grpc,yinsu/grpc,thinkerou/grpc,ejona86/grpc,deepaklukose/grpc,dklempner/grpc,firebase/grpc,soltanmm/grpc,thinkerou/grpc,perumaalgoog/grpc,yongni/grpc,muxi/grpc,fichter/grpc,greasypizza/grpc,madongfly/grpc,7anner/grpc,ipylypiv/grpc,podsvirov/grpc,nicolasnoble/grpc,grpc/grpc,bogdandrutu/grpc,kumaralokgithub/grpc,adelez/grpc,Vizerai/grpc,dklempner/grpc,yang-g/grpc,yinsu/grpc,makdharma/grpc,makdharma/grpc,msiedlarek/grpc,soltanmm/grpc,dgquintas/grpc,tempbottle/grpc,tamihiro/grpc,vjpai/grpc,ananthonline/grpc,jtattermusch/grpc,apolcyn/grpc,nicolasnoble/grpc,kpayson64/grpc,goldenbull/grpc,tengyifei/grpc,donnadionne/grpc,grani/grpc,carl-mastrangelo/grpc,yongni/grpc,doubi-workshop/grpc,PeterFaiman/ruby-grpc-minimal,MakMukhi/grpc,baylabs/grpc,goldenbull/grpc,fuchsia-mirror/third_party-grpc,doubi-workshop/grpc,quizlet/grpc,tamihiro/grpc,arkmaxim/grpc,PeterFaiman/ruby-grpc-minimal,wangyikai/grpc,jboeuf/grpc,madongfly/grpc,stanley-cheung/grpc,tamihiro/grpc,w4-sjcho/grpc,thinkerou/grpc,philcleveland/grpc,chrisdunelm/grpc,ctiller/grpc,ppietrasa/grpc,pszemus/grpc,perumaalgoog/grpc,carl-mastrangelo/grpc,vjpai/grpc,soltanmm-google/grpc,sreecha/grpc,goldenbull/grpc,ncteisen/grpc,sreecha/grpc,JoeWoo/grpc,bogdandrutu/grpc,vjpai/grpc,firebase/grpc,fichter/grpc,donnadionne/grpc,rjshade/grpc,mehrdada/grpc,PeterFaiman/ruby-grpc-minimal,yang-g/grpc,JoeWoo/grpc,perumaalgoog/grpc,daniel-j-born/grpc,philcleveland/grpc,7anner/grpc,vjpai/grpc,makdharma/grpc,y-zeng/grpc,fichter/grpc,JoeWoo/grpc,donnadionne/grpc,matt-kwong/grpc,yinsu/grpc,apolcyn/grpc,maxwell-demon/grpc,larsonmpdx/grpc,thinkerou/grpc,donnadionne/grpc,muxi/grpc,greasypizza/grpc,Crevil/grpc,chrisdunelm/grpc,ejona86/grpc,kumaralokgithub/grpc,infinit/grpc,ipylypiv/grpc,pszemus/grpc,apolcyn/grpc,ofrobots/grpc,LuminateWireless/grpc,fichter/grpc,podsvirov/grpc,ppietrasa/grpc,ofrobots/grpc,malexzx/grpc,LuminateWireless/grpc,crast/grpc,bogdandrutu/grpc,geffzhang/grpc,donnadionne/grpc,yugui/grpc,PeterFaiman/ruby-grpc-minimal,VcamX/grpc,yongni/grpc,pszemus/grpc,jcanizales/grpc,cgvarela/grpc,carl-mastrangelo/grpc,a11r/grpc,ejona86/grpc,soltanmm/grpc,vsco/grpc,dklempner/grpc,soltanmm/grpc,kriswuollett/grpc,Crevil/grpc,MakMukhi/grpc,greasypizza/grpc,firebase/grpc,msmania/grpc,kskalski/grpc,fuchsia-mirror/third_party-grpc,soltanmm/grpc,surround-io/grpc,yugui/grpc,andrewpollock/grpc,hstefan/grpc,pszemus/grpc,malexzx/grpc,msmania/grpc,goldenbull/grpc,jboeuf/grpc,larsonmpdx/grpc,arkmaxim/grpc,thunderboltsid/grpc,infinit/grpc,wcevans/grpc,MakMukhi/grpc,w4-sjcho/grpc,stanley-cheung/grpc,grpc/grpc,Vizerai/grpc,jboeuf/grpc,y-zeng/grpc,sreecha/grpc,kskalski/grpc,jboeuf/grpc,ctiller/grpc,miselin/grpc,jtattermusch/grpc,ananthonline/grpc,Vizerai/grpc,ppietrasa/grpc,podsvirov/grpc,ipylypiv/grpc,kumaralokgithub/grpc,wangyikai/grpc,pmarks-net/grpc,zhimingxie/grpc,ejona86/grpc,doubi-workshop/grpc,ctiller/grpc,jboeuf/grpc,ofrobots/grpc,muxi/grpc,ejona86/grpc,adelez/grpc,VcamX/grpc,grpc/grpc,y-zeng/grpc,kpayson64/grpc,cgvarela/grpc,adelez/grpc,bjori/grpc,adelez/grpc,pszemus/grpc,meisterpeeps/grpc,carl-mastrangelo/grpc,thunderboltsid/grpc,surround-io/grpc,7anner/grpc,PeterFaiman/ruby-grpc-minimal,stanley-cheung/grpc,arkmaxim/grpc,ctiller/grpc,msmania/grpc,wangyikai/grpc,maxwell-demon/grpc,quizlet/grpc,Vizerai/grpc,arkmaxim/grpc,philcleveland/grpc,rjshade/grpc,dklempner/grpc,ctiller/grpc,msiedlarek/grpc,surround-io/grpc,vsco/grpc,msmania/grpc,msiedlarek/grpc,perumaalgoog/grpc,wcevans/grpc,bjori/grpc,a-veitch/grpc,dgquintas/grpc,ctiller/grpc,murgatroid99/grpc,yugui/grpc,daniel-j-born/grpc,infinit/grpc,ofrobots/grpc,grpc/grpc,thinkerou/grpc,msiedlarek/grpc,wcevans/grpc,andrewpollock/grpc,fuchsia-mirror/third_party-grpc,ejona86/grpc,larsonmpdx/grpc,xtopsoft/grpc,VcamX/grpc,sreecha/grpc,fichter/grpc,a-veitch/grpc,mehrdada/grpc,Crevil/grpc,podsvirov/grpc,mehrdada/grpc,matt-kwong/grpc,MakMukhi/grpc,philcleveland/grpc,maxwell-demon/grpc,firebase/grpc,yugui/grpc,matt-kwong/grpc,andrewpollock/grpc,apolcyn/grpc,y-zeng/grpc,Crevil/grpc,zhimingxie/grpc,jcanizales/grpc,y-zeng/grpc,baylabs/grpc,bogdandrutu/grpc,geffzhang/grpc,bjori/grpc,bogdandrutu/grpc,leifurhauks/grpc,ncteisen/grpc,carl-mastrangelo/grpc,ksophocleous/grpc,jtattermusch/grpc,jboeuf/grpc,perumaalgoog/grpc,carl-mastrangelo/grpc,dgquintas/grpc,wangyikai/grpc,ncteisen/grpc,sreecha/grpc,vsco/grpc,fuchsia-mirror/third_party-grpc,murgatroid99/grpc,kpayson64/grpc,a-veitch/grpc,msmania/grpc,royalharsh/grpc,doubi-workshop/grpc,thinkerou/grpc,kriswuollett/grpc,kskalski/grpc,greasypizza/grpc,andrewpollock/grpc,yang-g/grpc,JoeWoo/grpc,VcamX/grpc,ksophocleous/grpc,quizlet/grpc,jtattermusch/grpc,w4-sjcho/grpc,makdharma/grpc,larsonmpdx/grpc,thinkerou/grpc,ofrobots/grpc,fuchsia-mirror/third_party-grpc,JoeWoo/grpc,yugui/grpc,wcevans/grpc,kskalski/grpc,jtattermusch/grpc,jtattermusch/grpc,donnadionne/grpc,a11r/grpc,grani/grpc,kumaralokgithub/grpc,kskalski/grpc,podsvirov/grpc,ejona86/grpc,carl-mastrangelo/grpc,MakMukhi/grpc,yinsu/grpc,ipylypiv/grpc,ncteisen/grpc,carl-mastrangelo/grpc,w4-sjcho/grpc,ipylypiv/grpc,zhimingxie/grpc,nicolasnoble/grpc,makdharma/grpc,deepaklukose/grpc,muxi/grpc,jboeuf/grpc,Vizerai/grpc,xtopsoft/grpc,nicolasnoble/grpc,doubi-workshop/grpc,soltanmm-google/grpc,murgatroid99/grpc,madongfly/grpc,goldenbull/grpc,wcevans/grpc,miselin/grpc,kumaralokgithub/grpc,geffzhang/grpc,bogdandrutu/grpc,xtopsoft/grpc,Crevil/grpc,7anner/grpc,kpayson64/grpc,quizlet/grpc,w4-sjcho/grpc,7anner/grpc,firebase/grpc,msmania/grpc,grani/grpc,vsco/grpc,soltanmm/grpc,jtattermusch/grpc,chrisdunelm/grpc,grpc/grpc,VcamX/grpc,ncteisen/grpc,baylabs/grpc,crast/grpc,stanley-cheung/grpc,mehrdada/grpc,ppietrasa/grpc,podsvirov/grpc,murgatroid99/grpc,makdharma/grpc,nicolasnoble/grpc,hstefan/grpc,ofrobots/grpc,dklempner/grpc,arkmaxim/grpc,perumaalgoog/grpc,miselin/grpc,stanley-cheung/grpc,soltanmm-google/grpc,mehrdada/grpc,yang-g/grpc,murgatroid99/grpc,donnadionne/grpc,hstefan/grpc,tengyifei/grpc,JoeWoo/grpc,malexzx/grpc,andrewpollock/grpc,geffzhang/grpc,ananthonline/grpc,maxwell-demon/grpc,zhimingxie/grpc,yongni/grpc,chrisdunelm/grpc,a11r/grpc,carl-mastrangelo/grpc,murgatroid99/grpc,pmarks-net/grpc,sreecha/grpc,meisterpeeps/grpc,surround-io/grpc,dklempner/grpc,ctiller/grpc,jtattermusch/grpc,sreecha/grpc,andrewpollock/grpc,simonkuang/grpc,daniel-j-born/grpc,nicolasnoble/grpc,dgquintas/grpc,pmarks-net/grpc,geffzhang/grpc,larsonmpdx/grpc,ppietrasa/grpc,grpc/grpc,ananthonline/grpc,ncteisen/grpc,surround-io/grpc,quizlet/grpc,bogdandrutu/grpc,simonkuang/grpc,firebase/grpc,makdharma/grpc,quizlet/grpc,firebase/grpc,VcamX/grpc,yinsu/grpc,vjpai/grpc,kpayson64/grpc,thunderboltsid/grpc,crast/grpc,vjpai/grpc,gpndata/grpc,goldenbull/grpc,apolcyn/grpc,donnadionne/grpc,PeterFaiman/ruby-grpc-minimal,adelez/grpc,wcevans/grpc,simonkuang/grpc,Vizerai/grpc,yinsu/grpc,royalharsh/grpc,ksophocleous/grpc,perumaalgoog/grpc,matt-kwong/grpc,MakMukhi/grpc,fichter/grpc,pmarks-net/grpc,VcamX/grpc,thinkerou/grpc,thinkerou/grpc,kriswuollett/grpc,grani/grpc,grani/grpc,jcanizales/grpc,cgvarela/grpc,firebase/grpc,a-veitch/grpc,adelez/grpc,dklempner/grpc,adelez/grpc,kumaralokgithub/grpc,leifurhauks/grpc,msiedlarek/grpc,tengyifei/grpc,msiedlarek/grpc,firebase/grpc,msiedlarek/grpc,tengyifei/grpc,fuchsia-mirror/third_party-grpc,fuchsia-mirror/third_party-grpc,dklempner/grpc,mehrdada/grpc,infinit/grpc,infinit/grpc,thunderboltsid/grpc,cgvarela/grpc,matt-kwong/grpc,ctiller/grpc,VcamX/grpc,royalharsh/grpc,tengyifei/grpc,miselin/grpc,madongfly/grpc,meisterpeeps/grpc,baylabs/grpc,kpayson64/grpc,arkmaxim/grpc,kriswuollett/grpc,stanley-cheung/grpc,MakMukhi/grpc,ipylypiv/grpc,donnadionne/grpc,ctiller/grpc,tempbottle/grpc,Vizerai/grpc,perumaalgoog/grpc,nicolasnoble/grpc,fuchsia-mirror/third_party-grpc,daniel-j-born/grpc,cgvarela/grpc,daniel-j-born/grpc,tengyifei/grpc,philcleveland/grpc,jcanizales/grpc,sreecha/grpc,a11r/grpc,bogdandrutu/grpc,JoeWoo/grpc,quizlet/grpc,adelez/grpc,rjshade/grpc,ksophocleous/grpc,leifurhauks/grpc,kpayson64/grpc,vsco/grpc,PeterFaiman/ruby-grpc-minimal,deepaklukose/grpc,podsvirov/grpc,philcleveland/grpc,nicolasnoble/grpc,LuminateWireless/grpc,gpndata/grpc,crast/grpc,goldenbull/grpc,doubi-workshop/grpc,stanley-cheung/grpc,vjpai/grpc,baylabs/grpc,bjori/grpc,miselin/grpc,tamihiro/grpc,hstefan/grpc,kriswuollett/grpc,Crevil/grpc,quizlet/grpc,w4-sjcho/grpc,arkmaxim/grpc,yinsu/grpc,gpndata/grpc,vjpai/grpc,jboeuf/grpc,grpc/grpc,muxi/grpc,ofrobots/grpc,ncteisen/grpc,wangyikai/grpc,pszemus/grpc,deepaklukose/grpc,greasypizza/grpc,rjshade/grpc,kpayson64/grpc,gpndata/grpc,ejona86/grpc,crast/grpc,miselin/grpc,gpndata/grpc,leifurhauks/grpc,yongni/grpc,dgquintas/grpc,meisterpeeps/grpc,murgatroid99/grpc,daniel-j-born/grpc,kpayson64/grpc,chrisdunelm/grpc,yongni/grpc,dgquintas/grpc,xtopsoft/grpc,rjshade/grpc,msmania/grpc,mehrdada/grpc,firebase/grpc,makdharma/grpc,adelez/grpc,pmarks-net/grpc,malexzx/grpc,pszemus/grpc,surround-io/grpc,thinkerou/grpc,pszemus/grpc,madongfly/grpc,malexzx/grpc,vsco/grpc,goldenbull/grpc,muxi/grpc,meisterpeeps/grpc,rjshade/grpc,maxwell-demon/grpc,fichter/grpc,pmarks-net/grpc,kskalski/grpc,meisterpeeps/grpc,jtattermusch/grpc,crast/grpc,grpc/grpc,deepaklukose/grpc,madongfly/grpc,xtopsoft/grpc,7anner/grpc,thunderboltsid/grpc,ppietrasa/grpc,zhimingxie/grpc,larsonmpdx/grpc,tamihiro/grpc,deepaklukose/grpc,MakMukhi/grpc,Crevil/grpc,nicolasnoble/grpc,soltanmm-google/grpc,msmania/grpc,y-zeng/grpc,a-veitch/grpc,bjori/grpc,chrisdunelm/grpc,jtattermusch/grpc,jboeuf/grpc,surround-io/grpc,ppietrasa/grpc,apolcyn/grpc,rjshade/grpc,firebase/grpc,grani/grpc,yang-g/grpc,deepaklukose/grpc,arkmaxim/grpc,andrewpollock/grpc,dgquintas/grpc,larsonmpdx/grpc,jboeuf/grpc,Crevil/grpc,kriswuollett/grpc,grpc/grpc,meisterpeeps/grpc,mehrdada/grpc,tempbottle/grpc,ananthonline/grpc,stanley-cheung/grpc,apolcyn/grpc,ejona86/grpc,PeterFaiman/ruby-grpc-minimal,firebase/grpc,msiedlarek/grpc,ksophocleous/grpc,gpndata/grpc,andrewpollock/grpc,kriswuollett/grpc,bjori/grpc,royalharsh/grpc,kskalski/grpc,royalharsh/grpc,sreecha/grpc,meisterpeeps/grpc,philcleveland/grpc,royalharsh/grpc,donnadionne/grpc,yugui/grpc,nicolasnoble/grpc,infinit/grpc,kskalski/grpc,zhimingxie/grpc,dgquintas/grpc,grani/grpc,ctiller/grpc,LuminateWireless/grpc,soltanmm/grpc,yongni/grpc,zhimingxie/grpc,mehrdada/grpc,makdharma/grpc,kriswuollett/grpc,doubi-workshop/grpc,gpndata/grpc,surround-io/grpc,sreecha/grpc,LuminateWireless/grpc,y-zeng/grpc,doubi-workshop/grpc,sreecha/grpc,mehrdada/grpc,pszemus/grpc,ananthonline/grpc,cgvarela/grpc,a11r/grpc,madongfly/grpc,leifurhauks/grpc,leifurhauks/grpc,yang-g/grpc,ncteisen/grpc,JoeWoo/grpc,tengyifei/grpc,muxi/grpc,ncteisen/grpc,7anner/grpc,nicolasnoble/grpc,ncteisen/grpc,a-veitch/grpc,bogdandrutu/grpc,yinsu/grpc,tempbottle/grpc,grpc/grpc,Crevil/grpc,yang-g/grpc,nicolasnoble/grpc,ncteisen/grpc,goldenbull/grpc,larsonmpdx/grpc,bjori/grpc,philcleveland/grpc,thinkerou/grpc,ananthonline/grpc,gpndata/grpc,jcanizales/grpc,tamihiro/grpc,yugui/grpc,infinit/grpc,pmarks-net/grpc,chrisdunelm/grpc,jcanizales/grpc,jtattermusch/grpc,kumaralokgithub/grpc,jboeuf/grpc,malexzx/grpc,muxi/grpc,MakMukhi/grpc,miselin/grpc,daniel-j-born/grpc,stanley-cheung/grpc,pmarks-net/grpc,a11r/grpc,kpayson64/grpc,grani/grpc,dgquintas/grpc,vjpai/grpc,matt-kwong/grpc,greasypizza/grpc,a-veitch/grpc,jcanizales/grpc,w4-sjcho/grpc,zhimingxie/grpc,7anner/grpc,chrisdunelm/grpc,a-veitch/grpc,arkmaxim/grpc,podsvirov/grpc,stanley-cheung/grpc,yongni/grpc,donnadionne/grpc,quizlet/grpc,kumaralokgithub/grpc,vjpai/grpc,hstefan/grpc,daniel-j-born/grpc,Vizerai/grpc,thunderboltsid/grpc,soltanmm-google/grpc,rjshade/grpc,maxwell-demon/grpc,malexzx/grpc,dgquintas/grpc,muxi/grpc,ipylypiv/grpc,kumaralokgithub/grpc,geffzhang/grpc,vjpai/grpc,stanley-cheung/grpc