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Length: 2333 (0x91d)
Types: TextFile
Notes: UNIX file
Names: »sched.h«
└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
└─⟦2d53db1df⟧ UNIX V7 Filesystem
└─ ⟦this⟧ »sys/z8001/h/sched.h«
/* (-lgl * The information contained herein is a trade secret of Mark Williams * Company, and is confidential information. It is provided under a * license agreement, and may be copied or disclosed only under the * terms of that agreement. Any reproduction or disclosure of this * material without the express written authorization of Mark Williams * Company or persuant to the license agreement is unlawful. * * COHERENT Version 0.7.3 * Copyright (c) 1982, 1983, 1984. * An unpublished work by Mark Williams Company, Chicago. * All rights reserved. -lgl) */ /* * Commodore scheduling parameters. * A tick is currently 1/100th of a second. * These values have not been particularly * well tuned. */ #ifndef SCHED_H #define SCHED_H /* * Update parameters. All values are in ticks. The processor value * update interval is always 1. */ #define NCRTICK 10 /* Processor time slice */ #define NSUTICK 20 /* Swap value update interval */ #define NSRTICK 50 /* Swap run update interval */ /* * Values. */ #define CVNOSIG 256 /* Lower priorities can interrupt */ #define CVCLOCK 1 /* Core value update */ #define SVCLOCK 16 /* Swap value update */ #define CVCHILD 32767 /* Initial child core value */ #define IVCHILD 16 /* Importance */ #define SVCHILD 4096 /* Initial child swap value */ #define RVCHILD 0 /* Response value */ /* * Swapper. */ #define CVSWAP 256 #define IVSWAP 0 #define SVSWAP 0 /* * Waiting for block I/O to complete. */ #define CVBLKIO 32767 #define IVBLKIO 32767 #define SVBLKIO 0 /* * Waiting for a gate to open. */ #define CVGATE 16384 #define IVGATE 3 #define SVGATE 0 /* * Terminal output. */ #define CVTTOUT 256 #define IVTTOUT 0 #define SVTTOUT 0 /* * Waiting for free clists. */ #define CVCLIST 256 #define IVCLIST 0 #define SVCLIST 0 /* * Process trace. */ #define CVPTSET 256 #define IVPTSET 0 #define SVPTSET 0 /* * Process trace stop. */ #define CVPTRET 256 #define IVPTRET 0 #define SVPTRET 0 /* * Waiting for a pipe. */ #define CVPIPE 0 #define IVPIPE 0 #define SVPIPE 0 /* * Terminal input. */ #define CVTTIN 255 #define IVTTIN 1 #define SVTTIN 32767 /* * Pause. */ #define CVPAUSE 0 #define IVPAUSE -64 #define SVPAUSE 0 /* * Wait. */ #define CVWAIT 128 #define IVWAIT -128 #define SVWAIT 4096 #endif