bugfix: prevent SIGSEGV in event timer rbtree during worker shutdown#2497

zhuizhuhaomeng merged 1 commit intoopenresty:masteropenresty/lua-nginx-module:masterfrom

climagabriel:fix-segv-rbtree-on-worker-shutdownclimagabriel/lua-nginx-module:fix-segv-rbtree-on-worker-shutdownCopy head branch name to clipboard