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# Copyright 1999-2020 Gentoo Authors |
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# Copyright 1999-2020 Gentoo Authors |
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# Distributed under the terms of the GNU General Public License v2 |
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# Distributed under the terms of the GNU General Public License v2 |
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import atexit |
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import collections |
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import collections |
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import logging |
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import logging |
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import operator |
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import operator |
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Lines 14-19
import textwrap
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import time |
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import time |
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import warnings |
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import warnings |
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from itertools import chain |
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from itertools import chain |
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from pathlib import Path |
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import portage |
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import portage |
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portage.proxy.lazyimport.lazyimport(globals(), |
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portage.proxy.lazyimport.lazyimport(globals(), |
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Lines 2632-2644
def apply_priorities(settings):
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nice(settings) |
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nice(settings) |
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def nice(settings): |
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def nice(settings): |
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try: |
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autogroup_file = Path("/proc/self/autogroup") |
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os.nice(int(settings.get("PORTAGE_NICENESS", "0"))) |
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except (OSError, ValueError) as e: |
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nice_value : str = settings.get("PORTAGE_NICENESS", "0") |
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out = portage.output.EOutput() |
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out.eerror("Failed to change nice value to '%s'" % \ |
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if not autogroup_file.is_file(): |
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settings.get("PORTAGE_NICENESS", "0")) |
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# Autogroup scheduling is not enabled on this system, |
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out.eerror("%s\n" % str(e)) |
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# continue using good ol' os.nice(). |
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try: |
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os.nice(int(nice_value)) |
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except (OSError, ValueError) as e: |
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out = portage.output.EOutput() |
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out.eerror("Failed to change nice value to '%s'" % \ |
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settings.get("PORTAGE_NICENESS", "0")) |
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out.eerror("%s\n" % str(e)) |
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return |
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with autogroup_file.open('r+') as f: |
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line = f.readline() |
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original_autogroup_nice_value = line.split(' ')[2] |
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# We need to restore the original nice value of the |
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# autogroup, as otherwise the session, e.g. the |
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# terminal where protage was executed in, would |
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# continue running with that value. |
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atexit.register( |
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lambda value: autogroup_file.open('w').write(value), |
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original_autogroup_nice_value |
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) |
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try: |
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f.write(nice_value) |
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except (OSError) as e: |
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out = portage.output.EOutput() |
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out.eerror("Failed to change nice value to '%s'" % \ |
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settings.get("PORTAGE_NICENESS", "0")) |
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out.eerror("%s\n" % str(e)) |
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def ionice(settings): |
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def ionice(settings): |
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