A signal set service must meet the requirements for an I/O object service, as well as the additional requirements listed below.
In the table below, X
denotes
a signal set service class, a
denotes a value of type X
,
b
denotes a value of type
X::implementation_type
, ec
denotes a value of type error_code
,
n
denotes a value of type
int
, and sh
denotes a value meeting SignalHandler
requirements.
Table 28. SignalSetService requirements
expression |
return type |
assertion/note |
---|---|---|
|
From IoObjectService
requirements. |
|
|
From IoObjectService
requirements. Implicitly clears the registered signals as if by
calling |
|
a.add(b, n, ec);
|
|
|
a.remove(b, n, ec);
|
|
|
a.clear(b, ec);
|
|
|
a.cancel(b, ec);
|
|
|
|
|
pre: |