DosSMDoAppReq

Perform an application request to start, stop, etc. a child session. This can only be called by the shell that owns the Session Manager.

Syntax

DOSSMDOAPPREQ (appreq)

Parameters

appreq (APPREQ*)

16:16 pointer to an appreq structure:

struct APPREQ {
    short unknown;
    short length;       /* length of structure */
    short type;         /* request type */
    short rc;           /* return code */
    short sessid;       /* session id */
    short pid;          /* process id */
    short tid;          /* thread id */
    short flgs1;        /* flags 1 */
    long sema1;         /* semaphore 1 ? */
    long sema2;         /* semaphore 2 ? */
    long sema3;         /* semaphore 3 ? */
    short qstatus;      /* internal queueing status */
    short flgs2;        /* flags 2 */
    char param[1];      /* variable length data */
};

whereas:

type

=0 start

=1 select

=2 set

=3 stop

flgs1

bit 0 called from 32 bit code

bit 1-6 seamless session bits ?

bit 7 VDM start session

bit 8 ?

flgs2

=0 terminate child

=1 terminate all children

param

variable length field to store different parameters depending on DosStart/Stop/Set/SelectSession

Return Code

APIRET16 Pascal far