来自IBM:-XrsDisablessignalhandlingintheJVM.-XrsSetting-XrspreventstheJava™runtimeenvironmentfromhandlinganyinternallyorexternallygeneratedsignalssuchasSIGSEGVandSIGABRT.Anysignalsthatareraisedarehandledbythedefaultoperatingsystemhandlers.DisablingsignalhandlingintheJVMreducesperformancebyapproxima