Revision 92b61ec7
| b/lib/utils.py | ||
|---|---|---|
| 2578 | 2578 |
@ivar called: tracks whether any of the signals have been raised |
| 2579 | 2579 |
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| 2580 | 2580 |
""" |
| 2581 |
def __init__(self, signum): |
|
| 2581 |
def __init__(self, signum, handler_fn=None):
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|
| 2582 | 2582 |
"""Constructs a new SignalHandler instance. |
| 2583 | 2583 |
|
| 2584 | 2584 |
@type signum: int or list of ints |
| 2585 | 2585 |
@param signum: Single signal number or set of signal numbers |
| 2586 |
@type handler_fn: callable |
|
| 2587 |
@param handler_fn: Signal handling function |
|
| 2586 | 2588 |
|
| 2587 | 2589 |
""" |
| 2590 |
assert handler_fn is None or callable(handler_fn) |
|
| 2591 |
|
|
| 2588 | 2592 |
self.signum = set(signum) |
| 2589 | 2593 |
self.called = False |
| 2590 | 2594 |
|
| 2595 |
self._handler_fn = handler_fn |
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| 2596 |
|
|
| 2591 | 2597 |
self._previous = {}
|
| 2592 | 2598 |
try: |
| 2593 | 2599 |
for signum in self.signum: |
| ... | ... | |
| 2628 | 2634 |
""" |
| 2629 | 2635 |
self.called = False |
| 2630 | 2636 |
|
| 2631 |
# we don't care about arguments, but we leave them named for the future |
|
| 2632 |
def _HandleSignal(self, signum, frame): # pylint: disable-msg=W0613 |
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| 2637 |
def _HandleSignal(self, signum, frame): |
|
| 2633 | 2638 |
"""Actual signal handling function. |
| 2634 | 2639 |
|
| 2635 | 2640 |
""" |
| ... | ... | |
| 2637 | 2642 |
# solution in Python -- there are no atomic types. |
| 2638 | 2643 |
self.called = True |
| 2639 | 2644 |
|
| 2645 |
if self._handler_fn: |
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| 2646 |
self._handler_fn(signum, frame) |
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| 2647 |
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| 2640 | 2648 |
|
| 2641 | 2649 |
class FieldSet(object): |
| 2642 | 2650 |
"""A simple field set. |
Also available in: Unified diff