On 2025/3/20 16:32, Johannes Berg wrote: > On Wed, 2025-03-19 at 21:55 +0800, Tiwei Bie wrote: >> Directly creating helper threads with VM_CLONE using clone can >> compromise the thread safety of errno. Since all these helper >> threads have been converted to use os_run_helper_thread(), let's >> prevent using this flag in run_helper_thread(). >> > > I notice that now there's only one user left, the SIGWINCH handler, > maybe we could change that too? Anyway not related to this patch, of > course.
After taking a closer look, changing the SIGWINCH handler seems to be tricky. It requires setting itself up as a session leader and configuring the controlling terminal. So it seems that it can't be turned into a real thread.. Regards, Tiwei
