Date: Tue, 03 Dec 2019 23:12:20 +0000 From: bugzilla-noreply@freebsd.org To: emulation@FreeBSD.org Subject: [Bug 240590] Linuxulator: EPOLLONESHOT is broken Message-ID: <bug-240590-4077-FDUaKTpYPN@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-240590-4077@https.bugs.freebsd.org/bugzilla/> References: <bug-240590-4077@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240590 --- Comment #10 from commit-hook@freebsd.org --- A commit references this bug: Author: wulf Date: Tue Dec 3 23:11:41 UTC 2019 New revision: 355372 URL: https://svnweb.freebsd.org/changeset/base/355372 Log: MFC r355065 - r355068: Linux epoll improvements. r355065: Linux epoll: Don't deregister file descriptor after EPOLLONESHOT is fired Linux epoll does not remove descriptor after one-shot event has been triggered. Set EV_DISPATCH kqueue flag rather then EV_ONESHOT to get the same behavi= or. Required by Linux Steam client. PR: 240590 Reported by: Alex S <iwtcex@gmail.com> Reviewed by: emaste, imp Differential Revision: https://reviews.freebsd.org/D22513 r355066: Linux epoll: Check both read and write kqueue events existence in EPOLL_CTL_ADD Linux epoll EPOLL_CTL_ADD op handler should always check registration of both EVFILT_READ and EVFILT_WRITE kevents to deceide if supplied file descriptor fd is already registered with epoll instance. Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D22515 r355067: Linux epoll: Register events with zero event mask Such an events are legal and should be interpreted as EPOLLERR | EPOLLHUP. Register a disabled kqueue event in that case as we do not support EPOLLH= UP yet. Required by Linux Steam client. PR: 240590 Reported by: Alex S <iwtcex@gmail.com> Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D22516 r355068: Linux epoll: Allow passing of any negative timeout value to epoll_wait Linux epoll allow passing of any negative timeout value to epoll_wait() to cause unbound blocking Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D22517 Changes: _U stable/12/ stable/12/sys/compat/linux/linux_event.c stable/12/sys/compat/linux/linux_event.h --=20 You are receiving this mail because: You are on the CC list for the bug.=
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