系统调用错误模块由webrick用于跨平台兼容性。
目前支持apache2,lighttpd,mongoose,plackup和webrick。
例: Syslog.open("webrick",Syslog::LOG_PID,Syslog::LOG_DAEMON|Syslog::LOG_LOCAL3) staticVALUEmSyslog_open
$IPR:cgi_runner.rb,v1.92002/09/2511:33:15gotoyuzoExp$ #Filelib/webrick/httpservlet/cgi_runner.rb,line11defsysread