[Bug debuginfod/29123] New: MHD_USE_EPOLL doesn't work

[Bug debuginfod/29123] New: MHD_USE_EPOLL doesn't work

[mark at klomp dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29123

            Bug ID: 29123
           Summary: MHD_USE_EPOLL doesn't work
           Product: elfutils
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: debuginfod
          Assignee: unassigned at sourceware dot org
          Reporter: mark at klomp dot org
                CC: elfutils-devel at sourceware dot org
  Target Milestone: ---

There are two issues with the use of MHD_USE_EPOLL with libmicrohttp.

- MHD_USE_EPOLL isn't a define but an enum value, so this doesn't work:

#ifdef MHD_USE_EPOLL
                           | MHD_USE_EPOLL
#endif

- MHD_USE_EPOLL doesn't work together with MHD_USE_THREAD_PER_CONNECTION
  when both are defined in mhd_flags MHD_start_daemon fails.

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[Bug debuginfod/29123] MHD_USE_EPOLL doesn't work

[fche at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29123

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fche at redhat dot com

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
might need to use #if MHD_VERSION >= 0xsomething to protect it better

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[Bug debuginfod/29123] MHD_USE_EPOLL doesn't work

[mark at klomp dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29123

Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at sourceware dot org   |mark at klomp dot org

--- Comment #2 from Mark Wielaard <mark at klomp dot org> ---
Proposed patch:
https://sourceware.org/pipermail/elfutils-devel/2022q2/005014.html

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[Bug debuginfod/29123] MHD_USE_EPOLL doesn't work

[mark at klomp dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29123

Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|ASSIGNED                    |RESOLVED

--- Comment #3 from Mark Wielaard <mark at klomp dot org> ---
commit 4b42d9ad28dc0820dc537b442e9dd88138a4b980
Author: Mark Wielaard <mark@klomp.org>
Date:   Fri May 6 00:29:28 2022 +0200

    debuginfod: Use MHD_USE_EPOLL for libmicrohttpd version 0.9.51 or higher

    Also disable MHD_USE_THREAD_PER_CONNECTION when using MHD_USE_EPOLL.

    https://sourceware.org/bugzilla/show_bug.cgi?id=29123

    Signed-off-by: Mark Wielaard <mark@klomp.org>

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