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From: "crrodriguez at opensuse dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/17252] New: getrandom and getentropy syscall
Date: Sun, 10 Aug 2014 17:04:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17252

            Bug ID: 17252
           Summary: getrandom and getentropy syscall
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: crrodriguez at opensuse dot org
                CC: drepper.fsp at gmail dot com

Hi:

Recently a getrandom() system call was added to the linux kernel

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c6e9d6f38894798696f23c8084ca7edbf16ee895

Please add the relevant system call wrappers to glibc under _GNU_SOURCE guard
and a getentropy() wrapper under _BSD_SOURCE for compatibility.

Ideally, if the system call is not found in the running kernel, fallback to
emulation by reading /dev/urandom in the default case or /dev/random if 
GRND_RANDOM is used.

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