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Title: [3.12] gh-104372: Drop the GIL around the vfork() call. (GH-104782) by miss-islington · Pull Request #104942 · python/cpython · GitHub

Open Graph Title: [3.12] gh-104372: Drop the GIL around the vfork() call. (GH-104782) by miss-islington · Pull Request #104942 · python/cpython

X Title: [3.12] gh-104372: Drop the GIL around the vfork() call. (GH-104782) by miss-islington · Pull Request #104942 · python/cpython

Description: On Linux where the subprocess module can use the vfork syscall for faster spawning, prevent the parent process from blocking other threads by dropping the GIL while it waits for the vfork'ed child ...

Open Graph Description: On Linux where the subprocess module can use the vfork syscall for faster spawning, prevent the parent process from blocking other threads by dropping the GIL while it waits for the vfork'ed ch...

X Description: On Linux where the subprocess module can use the vfork syscall for faster spawning, prevent the parent process from blocking other threads by dropping the GIL while it waits for the vfork'e...

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subprocess can block all Python threads when using vfork() until the child process exec() succeeds or fails. #104372 https://github.com/python/cpython/issues/104372
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