Process scheduler status is stored as numeric values behind the RUNSTATUS field. So, here are the values corresponding to each value.

FIELDVALUE XLATSHORTNAME 
---------- ------------- 
1          Cancel    
2          Delete    
3          Error     
4          Hold      
5          Queued    
6          Initiated 
7          Processing
8          Cancelled 
9          Success   
10         No Success
11         Posted    
12         Not Posted
13         Resend    
14         Posting   
15         Generated 
16         Pending