DR_ApInitIPC
DR_ApInitIPC — opens the connection to the driver.
Syntax
#include <cogent.h>
int DR_ApInitIPC( | char* | taskname, |
| | char* | admin_name); |
Arguments
- taskname
- The name of the user's application. It can be
any unique name in the system's namespace.
- admin_name
- The taskname of the driver (see drcif_ad, dr5136dn, or dr5136pfb in the respective
Cogent Driver manuals). The driver PID can also
be used.
Returns
The integer value
0 (DR_API_OK) if the
IPC system initialized successfully, otherwise the following
error may be reported:
DR_API_ERROR
Description
This function opens the connection
to the driver. If the Cascade NameServer (nserve) is
available, then it is used to locate the driver by name, otherwise
the QNX nameloc service is used. Send and reply
message buffers are created with a default size of 2048
bytes. Subsequent IPC messages greater than 2048 bytes in length
will be truncated.
Example:
char *taskname = "dr_test";
char *admin_name = "/dr/cif";
if (argc > 1)
{
taskname = argv[1];
if (argc > 2)
admin_name = argv[2];
}
if (!DR_ApInitIPC (taskname, admin_name))
{
printf ("Successfully connected %s to %s\n\n",
taskname, admin_name);
}
else
printf ("Failed to connect %s to %s\n", argv[0], argv[1]);
