Dan Hollis ([log in to unmask]) wrote:
 
>: POSIX.1 does not define a memory locking facility, but POSIX.4 does:
>
>: Lock entire program into memory:
>: int mlockall(int flags);
>: int munlockall(void);
>
>: Lock portions into memory:
>: int mlock(void *address, size_t length);
>: int munlock(void *address, size_t length);
>
>: Reference:
>: Programming for the real world - POSIX.4
>: Bill O. Gallmeister, 548pp.
>: ISBN 1-56592-074-0
>: (C) 1995 O'Reilly & Associates, Inc.
>
>: p.193-200 - "Keeping your memory handy : UNIX and POSIX memory locking"
 
 Realtime OSs tend to implement POSIX.4 before other OSs.  Realtime OSs
 include VxWorks, Linx, and HP-RT.
 
Rick Ehrhart
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