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Considerations for setting the Sync to OS Thread Allowed option

There are a number of options to consider when setting the Sync to OS Thread Allowed option.

With the Sync to OS Thread Allowed support:

  1. The application developer or assembler requests behavior by setting the special application environment entry env-entry in the deployment descriptor: com.ibm.websphere.security.SyncToOSThread=true|false.

  2. The system administrator grants the request made by the application developer or assembler using an application server configuration setting.

  3. The resource access control facility (RACF ) administrator controls if Sync to OS Thread Allowed can be used by defining a FACILITY class profile with an optional SURROGAT class profile to refine the control.

We can select the Sync to OS Thread Allowed option at development time or at assembly time:


Related concepts

  • Java thread identity and an operating system thread identity
  • When to use application Synch to OS Thread Allowed
  • JEE identity and an operating system thread identity
  • Application Synch to OS Thread Allowed
  • Connection Manager RunAs Identity Enabled and system security

  • z/OS security options
  • Summary of controls