Return codes for the REXX exits

Table 1 shows the return codes that the IRXINITX, IRXITTS, IRXITMV, IRXTERMX, and the exec processing exit support.

Table 1. Return codes for the REXX exits
Return code (decimal)	Description
0	Exit processing was successful. REXX processing continues.
Non-zero	Exit processing was unsuccessful. REXX processing terminates and sets register 15 to 20.

Table 2 shows the return codes the exec initialization and exec termination exits support.

Table 2. Return codes for the exec initialization and termination exits
Return code (decimal)	Description
0	Exit processing was successful. REXX processing continues.
Non-zero	Exit processing was unsuccessful. The exec is not executed. REXX issues a message that indicates a failure in a system service.

Note that the attention handling exit does not support any return codes in register 15. It does support a return code placed in the attention handling routine control block. See Attention handling control block for more information on the attention handling control block.