The following code causes the file associated with this
mapped area to be updated with the contents of storage.
For the callable service, see
msync (BPX1MSY, BPX4MSY) — Synchronize memory with physical storage.
AMODE 31 callers use
BPX1MSY (msync) example.
MVC FILEDESC,.. File descriptor
SPACE ,
CALL BPX4MSY, synchronize memory with storage +
(MAP_ADDRESS, Input: address of mapped area +
MAP_LENGTH, Input: area length +
=A(MS_SYNC), Input: sync options +
RETVAL, Return value: 0 or -1 +
RETCODE, Return code +
RSNCODE), Reason code +
MF=(E,PLIST) ----------------------------------