IBM User Guide for Java V7 on Windows > Reference > Command-line options > JVM command-line options

-Xrs

Disables signal handling in the JVM.

-Xrs

Setting -Xrs prevents the Java™ run time environment from handling any internally or externally generated signals such as SIGSEGV and SIGABRT. Any signals raised are handled by the default operating system handlers. Disabling signal handling in the JVM reduces performance by approximately 2-4%, depending on the application.

Note: Linux always uses SIGUSR1.

-Xrs:sync

On Windows systems, hardware exceptions are not handled by the JVM when this option is specified. However, the Windows CTRL_BREAK_EVENT signal, triggered by the Ctrl-Break key combination, is still handled by the JVM. As with -Xrs, the use of -Xrs:sync reduces performance by approximately 2-4%, depending on the application.

Parent: JVM command-line options

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