[Bug libc/10422] New: eventfd/signalfd do not work with < 2.6.27 kernel

["aurelien at aurel32 dot net" <sourceware-bugzilla at sourceware dot org>]

eventfd/signalfd were working correctly up to glibc 2.8. Starting with glibc 
2.9, glibc 2.10 and git version, a glibc compiled against >= 2.6.27 kernels 
headers has non functional eventfd/signalfd when used on < 2.6.27 kernels. The 
reason is the inconditional use of the new syscall without trying the old 
syscall.

Note that the 2.6.27 kernel version correspond to the one on x86_64, it varies 
a bit depending on the architecture.

Patch will follow.

-- 
           Summary: eventfd/signalfd do not work with < 2.6.27 kernel
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper at redhat dot com
        ReportedBy: aurelien at aurel32 dot net
                CC: glibc-bugs at sources dot redhat dot com
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://sourceware.org/bugzilla/show_bug.cgi?id=10422

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