MPE/iX Intrinsics Reference Manual (32650-90875)

Chapter 6 275
Command Definitions (FLUSHLOG-GETUSERMODE)
FSETMODE
FSETMODE
NM and CM callable.
Controls the following access modes of files or devices:
• Issuing carriage return and line feed to terminal after a terminal read.
• Reporting tape automatic error recovery.
• Guaranteeing chronological order of user program write requests.
• Blocking program execution until physical completion of write requests.
NOTE FSETMODE is ignored for message files
Syntax
I16V U16V
FSETMODE(
filenum,modeflags );
Parameters
filenum 16-bit signed integer by value (required)
Passes the file number of the file whose access modes are to be set.
modeflags 16-bit unsigned integer by value (required)
Passes the access mode option:
Bits Value/Meaning
15:1 Controls chronological order of user program writes. This mode controls
write requests to the file from all writers on the system.
0 Do not change the write queue where this file is being
accessed
1 Access this file through the serial write queue
(ASC) Not used for asynchronous serial devices.
(KSAM) Set this bit to zero.
NOTE A file placed on the serial write queue remains until the file is purged.
Bits Value/Meaning
14:1 Controls
blocking of program execution until completion of physical write
operations. This mode controls writes to filenum only from the calling process.
0
Return control to the program from a write request without
waiting for completion of the physical write operation