[lwip-commits] [SCM] lwIP - A Lightweight TCPIP stack branch, master, updated. master_at_STABLE-2_0_0-731-gd4c8a1a

[Joel Cunningham]

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- Log -----------------------------------------------------------------
commit d4c8a1ac78024d25ea75dcb193988d1f668feb8c
Author: Joel Cunningham <address@hidden>
Date:   Wed May 31 19:36:39 2017 -0500

    netconn: switch gethostbyname to use tcpip_send_msg_wait_sem (task #14523)
    
    This switches netconn_gethostbyname to use tcpip_send_msg_wait_sem to
    take advantage of core locking support when enabled.
    
    tcpip_send_msg_wait_sem handles blocking for the non-core locking case,
    so we can remove the manual blocking in netconn_gethostbyname. For the
    core locking case, we need to block if waiting on DNS callback. To
    achieve this, we unlock the core and wait in lwip_netconn_do_gethostbyname.
    This is the similar approach that netconn_write takes when it needs to
    block to continue the write (see lwip_netconn_do_write)
    
    This improves performance in the core locking case and is no change
    for the non-core locking case

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

Summary of changes:
 CHANGELOG         |  3 +++
 src/api/api_lib.c | 10 +++-------
 src/api/api_msg.c | 10 ++++++++++
 3 files changed, 16 insertions(+), 7 deletions(-)


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