René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"CPython should not assume that pthread_self returns the same value in fork parent and child","articleBody":"Summarized from https://github.com/SerenityOS/serenity/issues/25263 by request of @colesbury:\r\n\r\nIt seems that at least Python 3.13 relies on pthread_self returning the same value in both the parent and the child process.\r\n[PyThread_get_thread_ident_ex](https://github.com/python/cpython/blob/3.13/Python/thread_pthread.h#L349)\r\n\r\nPOSIX doesn't seem to mention if the value returned by pthread_self should be inherited by the child process.  \r\n[pthread_self](https://pubs.opengroup.org/onlinepubs/9799919799/functions/pthread_self.html)\r\n[fork](https://pubs.opengroup.org/onlinepubs/9799919799/functions/fork.html)\r\n\r\n(It is the case on Linux, Hurd, FreeBSD, OpenBSD, Cygwin. It isn't on SerenityOS, and also not on Solaris 9/HP-UX 11 per https://bugs.python.org/issue7242.\r\n\r\nIt looks like the code add broke things is from this commit https://github.com/python/cpython/commit/e21057b99967eb5323320e6d1121955e0cd2985e added in https://github.com/python/cpython/pull/118523 as part of https://github.com/python/cpython/issues/117657\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-126692\n* gh-126765\n* gh-127121\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/nico","@type":"Person","name":"nico"},"datePublished":"2024-11-11T15:33:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/126688/cpython/issues/126688"}