view auto/lib/google-perftools/conf @ 9208:2ed3f57dca0a

QUIC: fixed unsent MTU probe acknowledgement. Previously if an MTU probe send failed early in ngx_quic_frame_sendto() due to allocation error or congestion control, the application level packet number was not increased, but was still saved as MTU probe packet number. Later when a packet with this number was acknowledged, the unsent MTU probe was acknowledged as well. This could result in discovering a bigger MTU than supported by the path, which could lead to EMSGSIZE (Message too long) errors while sending further packets. The problem existed since PMTUD was introduced in 58afcd72446f (1.25.2). Back then only the unlikely memory allocation error could trigger it. However in efcdaa66df2e congestion control was added to ngx_quic_frame_sendto() which can now trigger the issue with a higher probability.
author Roman Arutyunyan <arut@nginx.com>
date Wed, 14 Feb 2024 16:56:28 +0400
parents f7e79596baf2
children
line wrap: on
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# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


    ngx_feature="Google perftools"
    ngx_feature_name=
    ngx_feature_run=no
    ngx_feature_incs=
    ngx_feature_path=
    ngx_feature_libs="-lprofiler"
    ngx_feature_test="void ProfilerStop(void);
                      ProfilerStop()"
    . auto/feature


if [ $ngx_found = no ]; then

    # FreeBSD port

    ngx_feature="Google perftools in /usr/local/"

    if [ $NGX_RPATH = YES ]; then
        ngx_feature_libs="-R/usr/local/lib -L/usr/local/lib -lprofiler"
    else
        ngx_feature_libs="-L/usr/local/lib -lprofiler"
    fi

    . auto/feature
fi


if [ $ngx_found = no ]; then

    # MacPorts

    ngx_feature="Google perftools in /opt/local/"

    if [ $NGX_RPATH = YES ]; then
        ngx_feature_libs="-R/opt/local/lib -L/opt/local/lib -lprofiler"
    else
        ngx_feature_libs="-L/opt/local/lib -lprofiler"
    fi

    . auto/feature
fi


if [ $ngx_found = yes ]; then
    CORE_LIBS="$CORE_LIBS $ngx_feature_libs"

else

cat << END

$0: error: the Google perftools module requires the Google perftools
library. You can either do not enable the module or install the library.

END

    exit 1
fi