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From: "Zac Medico" <zmedico@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/portage:master commit in: pym/portage/dbapi/, pym/_emerge/
Date: Thu, 16 Feb 2012 00:33:29 +0000 (UTC)	[thread overview]
Message-ID: <1329352390.46107423f4a039af6528d14cb86123a05a67f85f.zmedico@gentoo> (raw)

commit:     46107423f4a039af6528d14cb86123a05a67f85f
Author:     Zac Medico <zmedico <AT> gentoo <DOT> org>
AuthorDate: Thu Feb 16 00:33:10 2012 +0000
Commit:     Zac Medico <zmedico <AT> gentoo <DOT> org>
CommitDate: Thu Feb 16 00:33:10 2012 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=46107423

Comment about _setup_pipes / PyPy GC interaction.

---
 pym/_emerge/EbuildFetcher.py       |    6 +++++-
 pym/portage/dbapi/_MergeProcess.py |    6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/pym/_emerge/EbuildFetcher.py b/pym/_emerge/EbuildFetcher.py
index c0175b3..f6dab54 100644
--- a/pym/_emerge/EbuildFetcher.py
+++ b/pym/_emerge/EbuildFetcher.py
@@ -171,7 +171,11 @@ class EbuildFetcher(SpawnProcess):
 			return [pid]
 
 		# TODO: Find out why PyPy 1.8 with close_fds=True triggers
-		# "[Errno 9] Bad file descriptor" in subprocesses.
+		# "[Errno 9] Bad file descriptor" in subprocesses. It could
+		# be due to garbage collection of file objects that were not
+		# closed before going out of scope, since PyPy's garbage
+		# collector does not support the refcounting semantics that
+		# CPython does.
 		close_fds = platform.python_implementation() != 'PyPy'
 		portage.process._setup_pipes(fd_pipes, close_fds=close_fds)
 

diff --git a/pym/portage/dbapi/_MergeProcess.py b/pym/portage/dbapi/_MergeProcess.py
index 21d43dd..9a185b4 100644
--- a/pym/portage/dbapi/_MergeProcess.py
+++ b/pym/portage/dbapi/_MergeProcess.py
@@ -157,7 +157,11 @@ class MergeProcess(SpawnProcess):
 		os.close(elog_reader_fd)
 
 		# TODO: Find out why PyPy 1.8 with close_fds=True triggers
-		# "[Errno 9] Bad file descriptor" in subprocesses.
+		# "[Errno 9] Bad file descriptor" in subprocesses. It could
+		# be due to garbage collection of file objects that were not
+		# closed before going out of scope, since PyPy's garbage
+		# collector does not support the refcounting semantics that
+		# CPython does.
 		close_fds = platform.python_implementation() != 'PyPy'
 		portage.process._setup_pipes(fd_pipes, close_fds=close_fds)
 



             reply	other threads:[~2012-02-16  0:45 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-16  0:33 Zac Medico [this message]
  -- strict thread matches above, loose matches on Subject: below --
2017-04-03 20:03 [gentoo-commits] proj/portage:master commit in: pym/portage/dbapi/, pym/_emerge/ Zac Medico
2015-08-30 23:44 Zac Medico
2014-11-20  4:08 Zac Medico
2014-02-24  9:23 Alexander Berntsen
2013-03-13  5:56 Zac Medico
2013-01-23 16:19 Zac Medico
2013-01-05 15:20 Zac Medico
2012-12-23  5:33 Arfrever Frehtes Taifersar Arahesis
2012-11-24 21:57 Zac Medico
2012-04-22 18:57 Zac Medico
2012-04-21  6:51 Zac Medico
2012-02-17 22:19 Zac Medico
2012-02-14 23:40 Zac Medico
2012-02-10  1:28 Zac Medico
2012-02-08  1:16 Zac Medico
2012-02-08  0:36 Zac Medico
2011-10-28  2:34 Zac Medico
2011-10-16 20:26 Zac Medico
2011-10-15  5:10 Zac Medico
2011-06-03 10:16 Zac Medico
2011-05-24  5:31 Zac Medico
2011-05-24  0:33 Zac Medico
2011-05-09  5:16 Zac Medico
2011-03-26  7:39 Zac Medico
2011-03-26  3:24 Zac Medico
2011-03-25  4:34 Zac Medico
2011-03-25  4:34 Zac Medico
2011-03-25  4:34 Zac Medico

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