A thread can obtain the invocation context of a current procedure by using this function. Format LIB$X86_GET_CURR_INVO_CONTEXT(invo_context)
1 – Returns
Zero This facilitates use in the implementation of the C language unwind setjmp or longjmp function. Check the LIBICB$L_ALERT_CODE field of the invocation context block for further status indication.
2 – Argument
invo_context OpenVMS usage: invo_context_blk type: structure access: modify mechanism: by reference Address of an invocation context block into which the procedure context of the caller will be written.