Copyright (C) 1990, Digital Equipment Corporation |All rights reserved. | See the file COPYRIGHT for a full description. | Last modified on Fri Nov 18 15:44:19 PST 1994 by kalsow | modified on Sun Feb 21 14:15:00 PST 1993 by jdd | modified on Wed Jan 27 22:27:27 PST 1993 by mjordan
RTOS
is a private interface that provides the low-level,
OS-specific memory allocation and shutdown routines.
INTERFACERTOS ; PROCEDURE Exit (n: INTEGER);
Terminate current process with return code n
.
PROCEDURE Crash ();
Terminate current process with a crash
<* EXTERNAL "RTOS__GetMemory" *> PROCEDURE GetMemory (size: INTEGER): ADDRESS;
Return the address of size
bytes of unused storage
PROCEDURE LockHeap ();
Enters an allocator/collector critical section; the same thread may enter the critical section multiple times.
PROCEDURE UnlockHeap ();
Leaves the critical section.
PROCEDURE BroadcastHeap ();
Restarts all threads that called WaitHeap
sometime after the
allocator/collector critical section is released.
PROCEDURE WaitHeap ();
Blocks the caller until BroadcastHeap
has been called and
the allocator/collector critical section is released. The
caller must be in the critical section.
PROCEDURE Write (a: ADDRESS; n: INTEGER);
Write then
bytes beginning at addressa
to the standard error output file or console.
END RTOS.