| rpm 4.20.1
    The RPM Package Manager | 
Signal Queue API. More...

| Functions | |
| int | rpmsqBlock (int op) | 
Signal Queue API.
| int rpmsqBlock | ( | int | op | ) | 
Block or unblock (almost) all signals. The operation is "reference counted" so the calls can be nested, and signals are only unblocked when the reference count falls to zero.
| op | SIG_BLOCK/SIG_UNBLOCK |