The td_ta_setconcurrency() function sets the desired concurrency level for the process identified by ta_p to level, just as if a thread within the process had called thr_setconcurrency(3C).
RETURN VALUES
TD_OK
The call completed successfully.
TD_BADTA
An invalid internal process handle was passed in.
TD_BADPH
There is a NULL external process handle associated with this internal process handle. TD_NOCAPAB The client did not implement the ps_kill(3PROC) function in the imported interface.
TD_DBERR
A call to one of the imported interface routines failed.
TD_ERR
A libc_db internal error occurred.
ATTRIBUTES
See attributes(5) for description of the following attributes: