When killing a frozen process, take all its children with it. Closes #377.
When killing a frozen process, take all its children with it. Closes #377.

mesonbuild/meson,MathieuDuponchelle/meson,mesonbuild/meson,trhd/meson,MathieuDuponchelle/meson,pexip/meson,fmuellner/meson,wberrier/meson,jpakkane/meson,wberrier/meson,winksaville/meson,jeandet/meson,fmuellner/meson,mesonbuild/meson,mesonbuild/meson,jpakkane/meson,pexip/meson,pexip/meson,becm/meson,jeandet/meson,jeandet/meson,jpakkane/meson,rhd/meson,wberrier/meson,aaronp24/meson,wberrier/meson,jpakkane/meson,thiblahute/meson,centricular/meson,becm/meson,jpakkane/meson,rhd/meson,thiblahute/meson,MathieuDuponchelle/meson,rhd/meson,pexip/meson,MathieuDuponchelle/meson,germandiagogomez/meson,aaronp24/meson,centricular/meson,fmuellner/meson,wberrier/meson,thiblahute/meson,fmuellner/meson,centricular/meson,MathieuDuponchelle/meson,pexip/meson,fmuellner/meson,thiblahute/meson,thiblahute/meson,becm/meson,winksaville/meson,pexip/meson,wberrier/meson,ernestask/meson,trhd/meson,mesonbuild/meson,winksaville/meson,jeandet/meson,jeandet/meson,winksaville/meson,rhd/meson,germandiagogomez/meson,fmuellner/meson,thiblahute/meson,wberrier/meson,QuLogic/meson,thiblahute/meson,QuLogic/meson,centricular/meson,mesonbuild/meson,trhd/meson,pexip/meson,ernestask/meson,becm/meson,becm/meson,jeandet/meson,jpakkane/meson,becm/meson,rhd/meson,trhd/meson,pexip/meson,ernestask/meson,MathieuDuponchelle/meson,becm/meson,jpakkane/meson,trhd/meson,winksaville/meson,pexip/meson,germandiagogomez/meson,germandiagogomez/meson,rhd/meson,jpakkane/meson,germandiagogomez/meson,QuLogic/meson,aaronp24/meson,germandiagogomez/meson,aaronp24/meson,ernestask/meson,aaronp24/meson,thiblahute/meson,QuLogic/meson,wberrier/meson,jeandet/meson,ernestask/meson,mesonbuild/meson,becm/meson,pexip/meson,ernestask/meson,becm/meson,QuLogic/meson,rhd/meson,MathieuDuponchelle/meson,mesonbuild/meson,aaronp24/meson,aaronp24/meson,MathieuDuponchelle/meson,ernestask/meson,fmuellner/meson,centricular/meson,jpakkane/meson,fmuellner/meson,trhd/meson,mesonbuild/meson,jeandet/meson,becm/meson,ernestask/meson,QuLogic/meson,jeandet/meson,ernestask/meson,aaronp24/meson,QuLogic/meson,MathieuDuponchelle/meson,rhd/meson,QuLogic/meson,winksaville/meson,thiblahute/meson,trhd/meson,winksaville/meson,centricular/meson,winksaville/meson,centricular/meson,germandiagogomez/meson,centricular/meson,aaronp24/meson,fmuellner/meson,mesonbuild/meson,QuLogic/meson,trhd/meson,trhd/meson