SVR5 and SCO OpenServer 5

RequestExclusive(D3pccard)

RequestExclusive -- request exclusive use of card in a socket

Synopsis (Unsupported service)

   #include <sys/types.h>
   #include <sys/lcs.h>
   #include <sys/lss.h>
   
   int CardServices (RequestExclusive, ClientHandle_t *pClientHandle,
                     int n1, int RelReqExclusiveLen,
                     RelReqExclusive_t *pRelReqExclusive,
   	   	  rm_key_t key);

Description

RequestExclusive( ) is used by a Client to request CardServices to grant it monopoly of use of a card in a socket. CardServices checks with the other registered Clients to see if another Client still wants access to the card. If so, CardServices refuses the RequestExclusive request.

Arguments

pClientHandle: Pointer to a ClientHandle(D4pccard) structure.
n1: NULL
RelReqExclusiveLen: Length of the RelReqExclusive(D4pccard) structure.
pRelReqExclusive: Pointer to a RelReqExclusive(D4pccard) structure.
key: Resource manager key.

Return values

UNSUPPORTED_SERVICE: Service not currently supported.

Usage

The return from the service does not include an indication of whether the request for exclusive use was granted but the grant or denial is passed to the client's callback handler instead.

Context and synchronization

Interrupt, initialization, or user context

Hardware applicability

All

Version applicability

pccard: 3

References

ClientHandle(D4pccard), RelReqExclusive(D4pccard)