6785442: ConcurrentLinkedQueue.remove() and poll() can both remove the same element
6493942: ConcurrentLinkedQueue.remove sometimes very slow
Summary: new algorithm for handling concurrent linked lists
Reviewed-by: martin
#! /bin/sh## This file is used by adlc.make to selectively update generated# adlc files. Because source and target diretories are relative# paths, this file is copied to the target build directory before# use.## adlc-updater <file> <source-dir> <target-dir>#fix_lines() { # repair bare #line directives in $1 to refer to $2 awk < $1 > $1+ ' /^#line 999999$/ {print "#line " (NR+1) " \"" F2 "\""; next} {print} ' F2=$2 mv $1+ $1}[ -f $3/$1 ] && (fix_lines $2/$1 $3/$1; cmp -s $2/$1 $3/$1) || \( [ -f $3/$1 ] && echo Updating $3/$1 ; touch $2/made-change ; mv $2/$1 $3/$1 )