bsedos.h

这是DOS系统的源代码,汇编写的,值得看看,对开发操作系统的人员有价值

/***************************************************************************\
*
* Module Name: BSEDOS.H
*
* OS/2 Base Include File
*
* This file is compatible with OS/2 version 1.0.
*
* Copyright (c) 1988  Microsoft Corporation
*
*****************************************************************************
*
* Subcomponents marked with "+" are partially included by default
*
*   #define:                To include:
*
* + INCL_DOSPROCESS         Process and thread support
*   INCL_DOSINFOSEG         InfoSeg support
* + INCL_DOSFILEMGR         File Management
* + INCL_DOSMEMMGR          Memory Management
* + INCL_DOSSEMAPHORES      Semaphore support
* + INCL_DOSDATETIME        Date/Time and Timer support
*   INCL_DOSMODULEMGR       Module manager
* + INCL_DOSRESOURCES       Resource support
*   INCL_DOSNLS             National Language Support
*   INCL_DOSMISC            Miscellaneous
*   INCL_DOSSIGNALS         Signals
*   INCL_DOSMONITORS        Monitors
*   INCL_DOSQUEUES          Queues
*   INCL_DOSSESMGR          Session Manager Support
*
\***************************************************************************/

#define INCL_DOSINCLUDED

#ifdef INCL_DOS

#define INCL_DOSPROCESS
#define INCL_DOSINFOSEG
#define INCL_DOSFILEMGR
#define INCL_DOSMEMMGR
#define INCL_DOSMISC
#define INCL_DOSSEMAPHORES
#define INCL_DOSDATETIME
#define INCL_DOSMODULEMGR
#define INCL_DOSRESOURCES
#define INCL_DOSNLS
#define INCL_DOSSIGNALS
#define INCL_DOSMONITORS
#define INCL_DOSQUEUES
#define INCL_DOSSESMGR

#endif /* INCL_DOS */

#ifdef INCL_ERRORS
#define INCL_DOSERRORS
#endif /* INCL_ERRORS */

#if (defined(INCL_DOSPROCESS) | !defined(INCL_NOCOMMON))

/*** General services */

USHORT APIENTRY DosBeep(USHORT, USHORT);

/*** Process and Thread support */

VOID APIENTRY DosExit(USHORT, USHORT);

/* DosExit codes */

#define EXIT_THREAD         0
#define EXIT_PROCESS        1

#endif /* common INCL_DOSPROCESS stuff */

#ifdef INCL_DOSPROCESS

typedef struct _PIDINFO {         /* pidi */
    PID pid;
    TID tid;
    PID pidParent;
} PIDINFO;
typedef PIDINFO FAR *PPIDINFO;

USHORT APIENTRY DosCreateThread(VOID (FAR *)(VOID), PTID, PBYTE);
USHORT APIENTRY DosResumeThread(TID);
USHORT APIENTRY DosSuspendThread(TID);

/* Action code values */

#define DCWA_PROCESS        0
#define DCWA_PROCESSTREE    1

/* Wait option values */

#define DCWW_WAIT   0
#define DCWW_NOWAIT 1

typedef struct _RESULTCODES {     /* resc */
    USHORT codeTerminate;
    USHORT codeResult;
} RESULTCODES;
typedef RESULTCODES FAR *PRESULTCODES;

USHORT APIENTRY DosCWait(USHORT, USHORT, PRESULTCODES, PPID, PID);
USHORT APIENTRY DosSleep(ULONG);

/* codeTerminate values (also passed to ExitList routines) */

#define TC_EXIT          0
#define TC_HARDERROR     1
#define TC_TRAP          2
#define TC_KILLPROCESS   3

VOID   APIENTRY DosEnterCritSec(VOID);
VOID   APIENTRY DosExitCritSec(VOID);
USHORT APIENTRY DosExitList(USHORT, VOID (FAR *)(USHORT));

/* DosExitList functions */

#define EXLST_ADD       1
#define EXLST_REMOVE    2
#define EXLST_EXIT      3

USHORT APIENTRY DosExecPgm(PCHAR, USHORT, USHORT, PSZ, PSZ, PRESULTCODES, PSZ);

/* DosExecPgm functions */

#define EXEC_SYNC           0
#define EXEC_ASYNC          1
#define EXEC_ASYNCRESULT    2
#define EXEC_TRACE          3
#define EXEC_BACKGROUND     4
#define EXEC_LOAD           5

USHORT APIENTRY DosGetPid(PPIDINFO);

USHORT APIENTRY DosGetPrty(USHORT, PUSHORT, USHORT);
USHORT APIENTRY DosSetPrty(USHORT, USHORT, SHORT, USHORT);

/* Priority scopes */

#define PRTYS_PROCESS       0
#define PRTYS_PROCESSTREE   1
#define PRTYS_THREAD        2

/* Priority classes */

#define PRTYC_NOCHANGE      0
#define PRTYC_IDLETIME      1
#define PRTYC_REGULAR       2
#define PRTYC_TIMECRITICAL  3

USHORT APIENTRY DosKillProcess(USHORT, PID);

#define DKP_PROCESS         0
#define DKP_PROCESSTREE     1

#endif /* INCL_DOSPROCESS */


/*** InfoSeg support */

#ifdef INCL_DOSINFOSEG

/* Global Info Seg */

typedef struct _GINFOSEG {      /* gis */
    ULONG   time;
    ULONG   msecs;
    UCHAR   hour;
    UCHAR   minutes;
    UCHAR   seconds;
    UCHAR   hundredths;
    USHORT  timezone;
    USHORT  cusecTimerInterval;
    UCHAR   day;
    UCHAR   month;
    USHORT  year;
    UCHAR   weekday;
    UCHAR   uchMajorVersion;
    UCHAR   uchMinorVersion;
    UCHAR   chRevisionLetter;
    UCHAR   sgCurrent;
    UCHAR   sgMax;
    UCHAR   cHugeShift;
    UCHAR   fProtectModeOnly;
    USHORT  pidForeground;
    UCHAR   fDynamicSched;
    UCHAR   csecMaxWait;
    USHORT  cmsecMinSlice;
    USHORT  cmsecMaxSlice;
    USHORT  bootdrive;
    UCHAR   amecRAS[32];
} GINFOSEG;
typedef GINFOSEG FAR *PGINFOSEG;

/* Local Info Seg */

typedef struct _LINFOSEG {      /* lis */
    PID     pidCurrent;
    PID     pidParent;
    USHORT  prtyCurrent;
    TID     tidCurrent;
    USHORT  sgCurrent;
    USHORT  sgSub;
    BOOL    fForeground;
} LINFOSEG;
typedef LINFOSEG FAR *PLINFOSEG;

/* Process Type codes (local info seg typeProcess field) */

#define PT_FULLSCREEN       0
#define PT_REALMODE         1
#define PT_WINDOWABLEVIO    2
#define PT_PM               3
#define PT_DETACHED         4

USHORT APIENTRY DosGetInfoSeg(PSEL, PSEL);

/* Helper macros used to convert selector to PINFOSEG or LINFOSEG */

#define MAKEPGINFOSEG(sel)  ((PGINFOSEG)MAKEP(sel, 0))
#define MAKEPLINFOSEG(sel)  ((PLINFOSEG)MAKEP(sel, 0))

#endif /* INCL_DOSINFOSEG */

#if (defined(INCL_DOSFILEMGR) | !defined(INCL_NOCOMMON))

/*** File manager */

USHORT APIENTRY DosOpen(PSZ, PHFILE, PUSHORT, ULONG, USHORT, USHORT, USHORT, ULONG);
USHORT APIENTRY DosClose(HFILE);
USHORT APIENTRY DosRead(HFILE, PVOID, USHORT, PUSHORT);
USHORT APIENTRY DosWrite(HFILE, PVOID, USHORT, PUSHORT);

/* File time and date types */

typedef struct _FILESTATUS {    /* fsts */
    FDATE  fdateCreation;
    FTIME  ftimeCreation;
    FDATE  fdateLastAccess;
    FTIME  ftimeLastAccess;
    FDATE  fdateLastWrite;
    FTIME  ftimeLastWrite;
    ULONG  cbFile;
    ULONG  cbFileAlloc;
    USHORT attrFile;
} FILESTATUS;
typedef FILESTATUS FAR *PFILESTATUS;

typedef struct _FSALLOCATE {    /* fsalloc */
    ULONG  idFileSystem;
    ULONG  cSectorUnit;
    ULONG  cUnit;
    ULONG  cUnitAvail;
    USHORT cbSector;
} FSALLOCATE;
typedef FSALLOCATE FAR *PFSALLOCATE;

typedef SHANDLE HDIR;        /* hdir */
typedef HDIR FAR *PHDIR;

USHORT APIENTRY DosDelete(PSZ, ULONG);
USHORT APIENTRY DosDupHandle(HFILE, PHFILE);

USHORT APIENTRY DosQFHandState(HFILE, PUSHORT);
USHORT APIENTRY DosSetFHandState(HFILE, USHORT);
USHORT APIENTRY DosQHandType(HFILE, PUSHORT, PUSHORT);

USHORT APIENTRY DosReadAsync (HFILE, PULONG, PUSHORT, PVOID, USHORT, PUSHORT);
USHORT APIENTRY DosWriteAsync(HFILE, PULONG, PUSHORT, PVOID, USHORT, PUSHORT);

USHORT APIENTRY DosFindFirst(PSZ, PHDIR, USHORT, PFILEFINDBUF, USHORT, PUSHORT, ULONG);
USHORT APIENTRY DosFindNext(HDIR, PFILEFINDBUF, USHORT, PUSHORT);
USHORT APIENTRY DosFindClose(HDIR);

USHORT APIENTRY DosNewSize(HFILE, ULONG);
USHORT APIENTRY DosBufReset(HFILE);

USHORT APIENTRY DosChgFilePtr(HFILE, LONG, USHORT, PULONG);

USHORT APIENTRY DosFileLocks(HFILE, PLONG, PLONG);

USHORT APIENTRY DosMove(PSZ, PSZ, ULONG);
USHORT APIENTRY DosMkdir(PSZ, ULONG);
USHORT APIENTRY DosRmdir(PSZ, ULONG);
USHORT APIENTRY DosSelectDisk(USHORT);
USHORT APIENTRY DosQCurDisk(PUSHORT, PULONG);

USHORT APIENTRY DosChdir(PSZ, ULONG);
USHORT APIENTRY DosQCurDir(USHORT, PBYTE, PUSHORT);

USHORT APIENTRY DosQFSInfo(USHORT, USHORT, PBYTE, USHORT);
USHORT APIENTRY DosSetFSInfo(USHORT, USHORT, PBYTE, USHORT);
USHORT APIENTRY DosQVerify(PUSHORT);
USHORT APIENTRY DosSetVerify(USHORT);
USHORT APIENTRY DosSetMaxFH(USHORT);

USHORT APIENTRY DosQFileInfo(HFILE, USHORT, PFILESTATUS, USHORT);
USHORT APIENTRY DosSetFileInfo(HFILE, USHORT, PFILESTATUS, USHORT);

USHORT APIENTRY DosQFileMode(PSZ, PUSHORT, ULONG);
USHORT APIENTRY DosSetFileMode(PSZ, USHORT, ULONG);

#endif /* common INCL_DOSFILEMGR */

#if (defined(INCL_DOSMEMMGR) | !defined(INCL_NOCOMMON))
/*** Memory management */

USHORT APIENTRY DosAllocSeg(USHORT, PSEL, USHORT);
USHORT APIENTRY DosReallocSeg(USHORT, SEL);
USHORT APIENTRY DosFreeSeg(SEL);
USHORT APIENTRY DosGiveSeg(SEL, PID, PSEL);
USHORT APIENTRY DosGetSeg(SEL);

/* Segment attribute flags (used with DosAllocSeg) */

#define SEG_GIVEABLE        0x0001