set self._gone if NSP is raised from within send_signal()
set self._gone if NSP is raised from within send_signal()

kiranvizru/psutil,djhaskin987/psutil,marmolu/psutil,creativewild/psutil,skyshe/psutil,end18/psutil,kiranvizru/psutil,skyshe/psutil,google-code-export/psutil,stupidcache/psutil,kiranvizru/psutil,huson2012/psutil,vmolsa/psutil,google-code-export/psutil,zhengzheng/psutil,stupidcache/psutil,anfedorov/psutil,peter-hst/psutil,djhaskin987/psutil,AlanZatarain/psutil,chjwang/psutil,nmani1905/psutil,tigerneil/psutil,vmolsa/psutil,skyshe/psutil,vmolsa/psutil,skyshe/psutil,huson2012/psutil,marmolu/psutil,end18/psutil,anfedorov/psutil,huson2012/psutil,google-code-export/psutil,jucapj/psutil,end18/psutil,PFZheng/psutil,end18/psutil,creativewild/psutil,chjwang/psutil,djhaskin987/psutil,nmani1905/psutil,stupidcache/psutil,tigerneil/psutil,google-code-export/psutil,AlanZatarain/psutil,Alwnikrotikz/psutil,shiva21/psutil,kiranvizru/psutil,djhaskin987/psutil,PFZheng/psutil,zhengzheng/psutil,peter-hst/psutil,creativewild/psutil,Alwnikrotikz/psutil,jucapj/psutil,tigerneil/psutil,shiva21/psutil,tigerneil/psutil,vmolsa/psutil