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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
dlltsk16.c
Abstract:
This module implements 32 equivalents of OS/2 V1.21 Thread/Task
API Calls. These are called from 16->32 thunks (i386\doscalls.asm).
Other related calls are in dllldr16.c.
Author:
Yaron Shamir (YaronS) 30-May-1991
Revision History:
--*/
#define INCL_OS2V20_MEMORY
#define INCL_OS2V20_FILESYS
#define INCL_OS2V20_TASKING
#define INCL_OS2V20_ERRORS
#include "os2dll.h"
#include "os2dll16.h"
typedef struct _RESULTCODES16 {
USHORT ExitReason;
USHORT ExitResult;
} RESULTCODES16, *PRESULTCODES16;
APIRET
DosGetPID(
PPIDINFO16 pidi
)
{
pidi->pid = (USHORT)Od2Process->Pib.ProcessId;
pidi->tid = (USHORT)(Od2CurrentThreadId());
pidi->pidParent = (USHORT)Od2Process->Pib.ParentProcessId;
return (NO_ERROR);
}
APIRET
DosGetPPID(
ULONG pidChild,
PUSHORT ppidParent
)
{
OS2_API_MSG m;
POS2_DOSGETPPID_MSG a = &m.u.DosGetPPID;
APIRET rc;
try
{
Od2ProbeForWrite(ppidParent, sizeof(USHORT), 1);
}
except (EXCEPTION_EXECUTE_HANDLER) {
Od2ExitGP();
}
a->ChildPid = (PID)pidChild;
rc = Od2CallSubsystem( &m, NULL, Os2GetPPID, sizeof( *a ) );
if (rc == NO_ERROR) {
*ppidParent = (USHORT)a->ParentPid;
}
return(rc);
}
APIRET
Dos16ExitList(
ULONG OrderCode,
PFNEXITLIST ExitRoutine
)
{
return( Od2ExitList( OrderCode,
(PFNEXITLIST) (FLATTOFARPTR((ULONG)(ExitRoutine))),
FALSE ) );
}
APIRET
Dos16ExecPgm(
OUT PSZ ErrorText OPTIONAL,
IN LONG MaximumErrorTextLength,
IN ULONG Flags,
IN PSZ Arguments OPTIONAL,
IN PSZ Variables OPTIONAL,
OUT PRESULTCODES16 pResultCodes16,
IN PSZ ImageFileName)
{
RESULTCODES ResultCodes;
APIRET rc;
try
{
Od2ProbeForWrite(pResultCodes16, sizeof(PRESULTCODES16), 1);
} except( EXCEPTION_EXECUTE_HANDLER )
{
Od2ExitGP();
}
ResultCodes.ExitReason = (ULONG)pResultCodes16->ExitReason;
ResultCodes.ExitResult = (ULONG)pResultCodes16->ExitResult;
rc = DosExecPgm(ErrorText,
MaximumErrorTextLength,
Flags,
Arguments,
Variables,
&ResultCodes,
ImageFileName);
pResultCodes16->ExitReason = (USHORT)ResultCodes.ExitReason;
pResultCodes16->ExitResult = (USHORT)ResultCodes.ExitResult;
return(rc);
}
APIRET
Dos16WaitChild(
IN ULONG WaitTarget,
IN ULONG WaitOption,
OUT PRESULTCODES16 pResultCodes16,
OUT PPID16 pResultProcessId16,
IN PID ProcessId
)
{
RESULTCODES ResultCodes;
PID ResultProcessId;
APIRET rc;
try
{
Od2ProbeForWrite(pResultCodes16, sizeof(PRESULTCODES16), 1);
Od2ProbeForWrite(pResultProcessId16, sizeof(PPID16), 1);
} except( EXCEPTION_EXECUTE_HANDLER )
{
Od2ExitGP();
}
ResultProcessId = (PID) *pResultProcessId16;
ResultCodes.ExitReason = (ULONG)pResultCodes16->ExitReason;
ResultCodes.ExitResult = (ULONG)pResultCodes16->ExitResult;
rc = DosWaitChild( WaitTarget,
WaitOption,
&ResultCodes,
&ResultProcessId,
ProcessId);
pResultCodes16->ExitReason = (USHORT)ResultCodes.ExitReason;
pResultCodes16->ExitResult = (USHORT)ResultCodes.ExitResult;
*pResultProcessId16 = (PID16)ResultProcessId;
return(rc);
}
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