42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
# Copyright (c) 2010, 2011 Nicira, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at:
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import signal
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def _signal_status_msg(type_, signr):
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s = "%s by signal %d" % (type_, signr)
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for name in signal.__dict__:
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if name.startswith("SIG") and getattr(signal, name) == signr:
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return "%s (%s)" % (s, name)
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return s
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def status_msg(status):
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"""Given 'status', which is a process status in the form reported by
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waitpid(2) and returned by process_status(), returns a string describing
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how the process terminated."""
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if os.WIFEXITED(status):
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s = "exit status %d" % os.WEXITSTATUS(status)
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elif os.WIFSIGNALED(status):
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s = _signal_status_msg("killed", os.WTERMSIG(status))
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elif os.WIFSTOPPED(status):
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s = _signal_status_msg("stopped", os.WSTOPSIG(status))
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else:
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s = "terminated abnormally (%x)" % status
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if os.WCOREDUMP(status):
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s += ", core dumped"
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return s
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