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commit: ef43dd8ef64ded5f0627b7b8e84ef21262012902 |
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Author: Zac Medico <zmedico <AT> gentoo <DOT> org> |
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AuthorDate: Sat Jan 30 12:44:19 2021 +0000 |
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Commit: Zac Medico <zmedico <AT> gentoo <DOT> org> |
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CommitDate: Mon Feb 8 04:47:20 2021 +0000 |
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URL: https://gitweb.gentoo.org/proj/portage.git/commit/?id=ef43dd8e |
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|
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portage.getpid: call os.getpid() lazily |
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|
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Call os.getpid() lazily, which eliminates getpid calls when possible |
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after os.fork() in the portage.process module. |
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|
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Bug: https://bugs.gentoo.org/767913 |
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Reviewed-by: Brian Dolbec <dolsen <AT> gentoo.org> |
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Signed-off-by: Zac Medico <zmedico <AT> gentoo.org> |
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|
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lib/portage/__init__.py | 4 +++- |
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1 file changed, 3 insertions(+), 1 deletion(-) |
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|
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diff --git a/lib/portage/__init__.py b/lib/portage/__init__.py |
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index 3c9f78497..24c9d8b89 100644 |
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--- a/lib/portage/__init__.py |
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+++ b/lib/portage/__init__.py |
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@@ -375,7 +375,7 @@ _sync_mode = False |
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class _ForkWatcher: |
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@staticmethod |
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def hook(_ForkWatcher): |
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- _ForkWatcher.current_pid = _os.getpid() |
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+ _ForkWatcher.current_pid = None |
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# Force instantiation of a new event loop policy as a workaround |
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# for https://bugs.python.org/issue22087. |
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asyncio.set_event_loop_policy(None) |
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@@ -388,6 +388,8 @@ def getpid(): |
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""" |
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Cached version of os.getpid(). ForkProcess updates the cache. |
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""" |
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+ if _ForkWatcher.current_pid is None: |
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+ _ForkWatcher.current_pid = _os.getpid() |
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return _ForkWatcher.current_pid |
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|
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def _get_stdin(): |
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