[SCM] Hurd branch, master, updated. v0.5-551-g87fad50

[Samuel Thibault]

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      from  29a30c44bb8cecb341df211bcb3b330f515c9003 (commit)

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- Log -----------------------------------------------------------------
commit 87fad50310f2bd0dcc990e80e23b09768918cf5b
Author: Samuel Thibault <address@hidden>
Date:   Sat Jan 3 17:44:01 2015 +0100

    Backport Linux changes for proper TCP EOF handling
    
    Notably when remote eagerly sends a RST: we want to return EOF to the
    application, not EPIPE.
    
    * pfinet/linux-src/net/ipv4/tcp_output.c (tcp_connect): Set sk->done to 0.
    * pfinet/linux-src/net/ipv4/tcp_input.c (tcp_fin): Set RCV_SHUTDOWN, and
    sk->done to 1.
    * pfinet/linux-src/net/ipv4/tcp.c (tcp_recv_urg): Only return ENOTCONN when
    we never actually connect.  Always return 0 when reception is closed.
    (tcp_recvmsg): When any data is available, ignore errors and EOF.  When no
    data is available, first check for reception being closed, then for errors.

-----------------------------------------------------------------------

Summary of changes:
 pfinet/linux-src/net/ipv4/tcp.c        |   59 ++++++++++++++-----------------
 pfinet/linux-src/net/ipv4/tcp_input.c  |    3 ++
 pfinet/linux-src/net/ipv4/tcp_output.c |    1 +
 3 files changed, 31 insertions(+), 32 deletions(-)


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