BPX4FSY (fsync) example

The following code writes file descriptor changes to permanent storage. For the callable service, see fsync (BPX1FSY, BPX4FSY) — Write changes to permanent storage. AMODE 31 callers use BPX1FSY (fsync) example.

                                              
       MVC   FILEDESC,..           File descriptor from open            
         SPACE ,                                                        
         CALL  BPX4FSY,              Write changes to permanent storage+
               (FILEDESC,            Input: File descriptor            +
               RETVAL,               Return value: 0 or -1             +
               RETCODE,              Return code                       +
               RSNCODE),             Reason code                       +
               MF=(E,PLIST)          ----------------------------------