[issue12372] semaphore errors on AIX 7.1

Charles-François Natali added the comment: Patch committed: this should fix POSIX semaphores failures on AIX. Reshmi, thanks for reporting this! -- resolution: -> fixed stage: commit review -> committed/rejected status: open -> closed ___ Python tra

[issue12372] semaphore errors on AIX 7.1

Roundup Robot added the comment: New changeset 44a02d6b74e4 by Charles-François Natali in branch 'default': Merge - Issue #12372: POSIX semaphores are broken on AIX: don't use them. http://hg.python.org/cpython/rev/44a02d6b74e4 -- ___ Python tracker

[issue12372] semaphore errors on AIX 7.1

Roundup Robot added the comment: New changeset f0475f78d45c by Charles-François Natali in branch '3.2': Issue #12372: POSIX semaphores are broken on AIX: don't use them. http://hg.python.org/cpython/rev/f0475f78d45c -- ___ Python tracker

[issue12372] semaphore errors on AIX 7.1

Roundup Robot added the comment: New changeset f5a7d413638d by Charles-François Natali in branch '2.7': Issue #12372: POSIX semaphores are broken on AIX: don't use them. http://hg.python.org/cpython/rev/f5a7d413638d -- nosy: +python-dev ___ Python tr

[issue12372] semaphore errors on AIX 7.1

Antoine Pitrou added the comment: The patch looks fine to me. > in the finance industry in particular Ha, I've seen that. There are even proprietary desktop applications for AIX! -- stage: patch review -> commit review type: -> behavior versions: +Python 3.2, Python 3.3 -Python 2.6,

[issue12372] semaphore errors on AIX 7.1

Changes by Charles-François Natali : -- nosy: +pitrou ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://ma

[issue12372] semaphore errors on AIX 7.1

Sébastien Sablé added the comment: Hi, sorry for the late reply. > STINNER Victor added the comment: > > At least, I would like to know if Sébastien Sablé (the author of the original > patch) changed his opinion about this issue since 2007 ;-) I haven't changed my mind concerning this patc

[issue12372] semaphore errors on AIX 7.1

Charles-François Natali added the comment: So, what do we do now? -- ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubsc

[issue12372] semaphore errors on AIX 7.1

Charles-François Natali added the comment: > Nobody is able to get more information, or maybe nobody wants to dig this > issue. It would be better to get the real cause of the issue, Well, it looks like a libc or kernel bug, and we probably can't do much about it. Just falling back to mutex +

[issue12372] semaphore errors on AIX 7.1

STINNER Victor added the comment: It is the fourth issue for the same problem, other issues: - #1106262 (AIX 5, 2005) - #1234 (duplicate of #1106262, 2007) - #9700 (AIX 6) The initial issue was related to semaphores and fork() (msg60639). Pass pshared=1 to sem_init() gets around this issue,

[issue12372] semaphore errors on AIX 7.1

Charles-François Natali added the comment: Patch attached. I've used a wildcard so that it won't break when AIX 8 goes out (and it's POSIX). -- keywords: +needs review, patch nosy: +haypo, neologix stage: -> patch review Added file: http://bugs.python.org/file22428/aix_broken_sem.diff

[issue12372] semaphore errors on AIX 7.1

New submission from reshmi george : The same problem that was reported in issue 9700 is appearing on AIX 7.1. The following message has been seen when running multi-process python program: sem_trywait: Permission denied sem_post: Permission denied sem_wait: Permission denied sem_post: Permission