On Mon, Apr 12, 2021 at 12:22 PM <kevin.j.wheat...@gmail.com> wrote: > > From: Kevin Wheatley <kevin.j.wheat...@gmail.com> > > This fix moves the potential definition of _GNU_SOURCE prior to > any includes of system header files as required by the documentation > https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html > > This corrects the CPU_COUNT macro availability, resulting in > sched_getaffinity() being called on Linux systems. This then correctly > returns the number of CPUs when run under containers and other cases > where processor affinity has been setup prior to running FFmpeg >
bump As an FYI the issue is triggered because the inclusion of the other system headers prior to the _GNU_SOURCE definition results in the CPU_COUNT macro not being defined, and so the affinity based CPU counting fails to be used and so the cpu count is incorrectly returned. Kevin _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
