compatibility with Tru64 UNIX: fcntl(F_SETLK, F_WRLCK) returns EINVAL if busy
compatibility with Tru64 UNIX: fcntl(F_SETLK, F_WRLCK) returns EINVAL if busy

hy0kl/nginx,firebase/nginx,firebase/nginx,hy0kl/nginx,firebase/nginx,firebase/nginx,hy0kl/nginx