| 1 | /* $Id: FastInfoBlocks.h 1666 2004-11-22 22:32:54Z bird $ */
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| 2 | /** @file
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| 3 | *
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| 4 | * Fast InfoBlock Access.
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| 5 | *
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| 6 | * Copyright (c) 2003-2004 knut st. osmundsen <[email protected]>
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| 7 | *
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| 8 | *
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| 9 | * This file is part of InnoTek LIBC.
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| 10 | *
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| 11 | * InnoTek LIBC is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU Lesser General Public License as published
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| 13 | * by the Free Software Foundation; either version 2 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * InnoTek LIBC is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU Lesser General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU Lesser General Public License
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| 22 | * along with InnoTek LIBC; if not, write to the Free Software
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| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 24 | *
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| 25 | */
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| 26 |
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| 27 | #ifndef __InnoTekLIBC_FastInfoBlocks_h__
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| 28 | #define __InnoTekLIBC_FastInfoBlocks_h__
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| 29 |
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| 30 | #include <sys/cdefs.h>
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| 31 |
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| 32 | __BEGIN_DECLS
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| 33 |
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| 34 |
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| 35 | /**
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| 36 | * Gets the current Process ID.
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| 37 | */
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| 38 | #if 0
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| 39 | #define fibGetPid() (__libc_GpFIBPIB->pib_ulpid)
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| 40 | #else
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| 41 | #define fibGetPid() (__libc_GpFIBLIS->pidCurrent)
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| 42 | #endif
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| 43 |
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| 44 | /**
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| 45 | * Gets the Parent Process ID.
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| 46 | */
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| 47 | #if 0
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| 48 | #define fibGetPPid() (__libc_GpFIBPIB->pib_ulppid)
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| 49 | #else
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| 50 | #define fibGetPPid() (__libc_GpFIBLIS->pidParent)
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| 51 | #endif
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| 52 |
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| 53 | /**
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| 54 | * Gets the current Thread ID.
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| 55 | */
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| 56 | #define fibGetTid() (__libc_GpFIBLIS->tidCurrent)
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| 57 |
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| 58 | /**
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| 59 | * Gets the current Thread ID plus the current PID.
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| 60 | * Very suitable for identifying global owernships.
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| 61 | */
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| 62 | #define fibGetTidPid() ((unsigned)__libc_GpFIBLIS->tidCurrent | ((unsigned)__libc_GpFIBLIS->pidCurrent << 16))
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| 63 |
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| 64 | /**
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| 65 | * Gets the handle of the executable of this process.
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| 66 | */
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| 67 | #if 1
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| 68 | #define fibGetExeHandle() (__libc_GpFIBPIB->pib_hmte)
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| 69 | #else
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| 70 | #define fibGetExeHandle() (__libc_GpFIBLIS->hmod)
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| 71 | #endif
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| 72 |
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| 73 | /**
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| 74 | * Gets the Environment Selector.
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| 75 | */
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| 76 | #define fibGetEnvSel() (__libc_GpFIBLIS->selEnv)
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| 77 |
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| 78 | /**
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| 79 | * Gets the Environment Selector.
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| 80 | */
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| 81 | #define fibGetCmdLineOff() (__libc_GpFIBLIS->offCmdLine)
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| 82 |
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| 83 | /**
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| 84 | * Gets the Environment Pointer (32bit FLAT pointer).
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| 85 | */
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| 86 | #if 1
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| 87 | #define fibGetEnv() (__libc_GpFIBPIB->pib_pchenv)
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| 88 | #else
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| 89 | #define fibGetEnv() ( ((fibGetEnvSel() & ~7) << 13) )
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| 90 | #endif
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| 91 |
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| 92 | /**
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| 93 | * Gets the Commandline Pointer (32bit FLAT pointer).
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| 94 | */
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| 95 | #if 1
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| 96 | #define fibGetCmdLine() (__libc_GpFIBPIB->pib_pchcmd)
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| 97 | #else
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| 98 | #define fibGetCmdLine() ( ((fibGetEnvSel() & ~7) << 13) | fibGetCmdLineOff() )
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| 99 | #endif
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| 100 |
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| 101 |
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| 102 | /**
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| 103 | * Gets the Process Status.
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| 104 | */
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| 105 | #define fibGetProcessStatus() ((volatile unsigned char)__libc_GpFIBLIS->rfProcStatus)
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| 106 | /** Is this process in an exit list? */
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| 107 | #define fibIsInExitList() (fibGetProcessStatus() & 1)
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| 108 | /** Is the process exitting. */
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| 109 | #define fibIsInExit() (fibGetProcessStatus() & (0x40/*dying*/ | 0x04/*exiting all*/ | 0x02/*Exiting Thread 1*/ | 0x01/* ExitList */))
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| 110 |
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| 111 |
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| 112 | /**
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| 113 | * Gets the Process Type.
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| 114 | */
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| 115 | #define fibGetProcessType() (__libc_GpFIBLIS->typeProcess)
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| 116 |
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| 117 | /** Is this a Detached (daemon) process? */
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| 118 | #define fibIsDetachedProcess() (fibGetProcessType() == 4)
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| 119 | /** Is this a PM process? */
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| 120 | #define fibIsPMProcess() (fibGetProcessType() == 3)
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| 121 | /** Is this a VIO (windowed console) process? */
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| 122 | #define fibIsVIOProcess() (fibGetProcessType() == 2)
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| 123 | /** Is this a VDM (Virtual Dos Mode) process? */
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| 124 | #define fibIsVDMProcess() (fibGetProcessType() == 1)
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| 125 | /** Is this a full screen process? */
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| 126 | #define fibIsFullScreeProcess() (fibGetProcessType() == 0)
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| 127 |
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| 128 |
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| 129 | /**
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| 130 | * System stuff
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| 131 | */
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| 132 | #define fibGetMsCount() (__libc_GpFIBGIS->SIS_MsCount)
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| 133 |
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| 134 |
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| 135 |
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| 136 | /*******************************************************************************
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| 137 | * Global Variables *
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| 138 | *******************************************************************************/
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| 139 | #pragma pack(1)
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| 140 |
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| 141 | /**
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| 142 | * Local Info Segment (per process).
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| 143 | */
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| 144 | extern struct __libc_GpFIBLIS_s
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| 145 | {
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| 146 | unsigned short pidCurrent; /* Current process ID */
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| 147 | unsigned short pidParent; /* Process ID of parent */
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| 148 | unsigned short prtyCurrent; /* Current thread priority */
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| 149 | unsigned short tidCurrent; /* Current thread ID */
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| 150 | unsigned short sgCurrent; /* Screengroup */
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| 151 | unsigned char rfProcStatus; /* Process status bits */
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| 152 | unsigned char LIS_fillbyte1; /* filler byte */
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| 153 | unsigned short fFoureground; /* Current process is in foreground */
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| 154 | unsigned char typeProcess; /* Current process type */
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| 155 | unsigned char LIS_fillbyte2; /* filler byte */
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| 156 |
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| 157 | unsigned short selEnv; /* @@V1 Environment selector */
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| 158 | unsigned short offCmdLine; /* @@V1 Offset of command line start */
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| 159 | unsigned short cbDataSegment; /* @@V1 Length of Data Segment */
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| 160 | unsigned short cbStack; /* @@V1 STACKSIZE from the .EXE file */
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| 161 | unsigned short cbHeap; /* @@V1 HEAPSIZE from the .EXE file */
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| 162 | unsigned short hmod; /* @@V1 Module handle of the application */
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| 163 | unsigned short selDS; /* @@V1 Data Segment Handle of application */
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| 164 |
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| 165 | unsigned short LIS_PackSel; /* First tiled selector in this EXE */
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| 166 | unsigned short LIS_PackShrSel; /* First selector above shared arena */
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| 167 | unsigned short LIS_PackPckSel; /* First selector above packed arena */
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| 168 | } * __libc_GpFIBLIS;
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| 169 |
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| 170 | /**
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| 171 | * Global Info Segment (system)
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| 172 | */
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| 173 | extern struct __libc_GpFIBGIS_s
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| 174 | {
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| 175 | /* Time (offset 0x00) */
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| 176 | unsigned long SIS_BigTime; /* Time from 1-1-1970 in seconds */
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| 177 | unsigned long SIS_MsCount; /* Freerunning milliseconds counter */
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| 178 | unsigned char SIS_HrsTime; /* Hours */
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| 179 | unsigned char SIS_MinTime; /* Minutes */
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| 180 | unsigned char SIS_SecTime; /* Seconds */
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| 181 | unsigned char SIS_HunTime; /* Hundredths of seconds */
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| 182 | unsigned short SIS_TimeZone; /* Timezone in min from GMT (Set to EST) */
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| 183 | unsigned short SIS_ClkIntrvl; /* Timer interval (units=0.0001 secs) */
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| 184 |
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| 185 | /* Date (offset 0x10) */
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| 186 | unsigned char SIS_DayDate; /* Day-of-month (1-31) */
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| 187 | unsigned char SIS_MonDate; /* Month (1-12) */
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| 188 | unsigned short SIS_YrsDate; /* Year (>= 1980) */
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| 189 | unsigned char SIS_DOWDate; /* Day-of-week (1-1-80 = Tues = 3) */
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| 190 |
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| 191 | /* Version (offset 0x15) */
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| 192 | unsigned char SIS_VerMajor; /* Major version number */
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| 193 | unsigned char SIS_VerMinor; /* Minor version number */
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| 194 | unsigned char SIS_RevLettr; /* Revision letter */
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| 195 |
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| 196 | /* System Status (offset 0x18) */
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| 197 | unsigned char SIS_CurScrnGrp; /* Fgnd screen group # */
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| 198 | unsigned char SIS_MaxScrnGrp; /* Maximum number of screen groups */
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| 199 | unsigned char SIS_HugeShfCnt; /* Shift count for huge segments */
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| 200 | unsigned char SIS_ProtMdOnly; /* Protect-mode-only indicator */
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| 201 | unsigned short SIS_FgndPID; /* Foreground process ID */
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| 202 |
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| 203 | /* Scheduler Parms (offset 0x1E) */
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| 204 | unsigned char SIS_Dynamic; /* Dynamic variation flag (1=enabled) */
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| 205 | unsigned char SIS_MaxWait; /* Maxwait (seconds) */
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| 206 | unsigned short SIS_MinSlice; /* Minimum timeslice (milliseconds) */
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| 207 | unsigned short SIS_MaxSlice; /* Maximum timeslice (milliseconds) */
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| 208 |
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| 209 | /* Boot Drive (offset 0x24) */
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| 210 | unsigned short SIS_BootDrv; /* Drive from which system was booted */
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| 211 |
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| 212 | /* RAS Major Event Code Table (offset 0x26) */
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| 213 | unsigned char SIS_mec_table[32]; /* Table of RAS Major Event Codes (MECs) */
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| 214 |
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| 215 | /* Additional Session Data (offset 0x46) */
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| 216 | unsigned char SIS_MaxVioWinSG; /* Max. no. of VIO windowable SG's */
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| 217 | unsigned char SIS_MaxPresMgrSG; /* Max. no. of Presentation Manager SG's */
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| 218 |
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| 219 | /* Error logging Information (offset 0x48) */
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| 220 | unsigned short SIS_SysLog; /* Error Logging Status */
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| 221 |
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| 222 | /* Additional RAS Information (offset 0x4A) */
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| 223 | unsigned short SIS_MMIOBase; /* Memory mapped I/O selector */
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| 224 | unsigned long SIS_MMIOAddr; /* Memory mapped I/O address */
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| 225 |
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| 226 | /* Additional 2.0 Data (offset 0x50) */
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| 227 | unsigned char SIS_MaxVDMs; /* Max. no. of Virtual DOS machines */
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| 228 | unsigned char SIS_Reserved;
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| 229 | } * __libc_GpFIBGIS;
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| 230 |
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| 231 |
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| 232 | /**
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| 233 | * Process Info Block.
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| 234 | */
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| 235 | extern struct __libc_GpFIBPIB_s
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| 236 | {
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| 237 | unsigned long pib_ulpid; /* Process I.D. */
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| 238 | unsigned long pib_ulppid; /* Parent process I.D. */
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| 239 | unsigned long pib_hmte; /* Program (.EXE) module handle */
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| 240 | char * pib_pchcmd; /* Command line pointer */
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| 241 | char * pib_pchenv; /* Environment pointer */
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| 242 | unsigned long pib_flstatus; /* Process' status bits */
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| 243 | unsigned long pib_ultype; /* Process' type code */
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| 244 | } * __libc_GpFIBPIB;
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| 245 |
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| 246 | #pragma pack()
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| 247 |
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| 248 |
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| 249 | int __libc_back_fibInit(int fForced);
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| 250 | void __libc_Back_fibDumpAll(void);
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| 251 |
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| 252 |
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| 253 | __END_DECLS
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| 254 |
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| 255 | #endif
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| 256 |
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