Mercurial > hg > nginx-quic
view auto/lib/libatomic/conf @ 8441:81d491f0dc8c quic
QUIC: unroll and inline ngx_quic_varint_len()/ngx_quic_build_int().
According to profiling, those two are among most frequently called,
so inlining is generally useful, and unrolling should help with it.
Further, this fixes undefined behaviour seen with invalid values.
Inspired by Yu Liu.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Sat, 22 May 2021 18:40:45 +0300 |
parents | d620f497c50f |
children |
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# Copyright (C) Igor Sysoev # Copyright (C) Nginx, Inc. if [ $NGX_LIBATOMIC != YES ]; then have=NGX_HAVE_LIBATOMIC . auto/have CORE_INCS="$CORE_INCS $NGX_LIBATOMIC/src" LINK_DEPS="$LINK_DEPS $NGX_LIBATOMIC/src/libatomic_ops.a" CORE_LIBS="$CORE_LIBS $NGX_LIBATOMIC/src/libatomic_ops.a" else ngx_feature="atomic_ops library" ngx_feature_name=NGX_HAVE_LIBATOMIC ngx_feature_run=yes ngx_feature_incs="#define AO_REQUIRE_CAS #include <atomic_ops.h>" ngx_feature_path= ngx_feature_libs="-latomic_ops" ngx_feature_test="long n = 0; if (!AO_compare_and_swap(&n, 0, 1)) return 1; if (AO_fetch_and_add(&n, 1) != 1) return 1; if (n != 2) return 1; AO_nop();" . auto/feature if [ $ngx_found = yes ]; then CORE_LIBS="$CORE_LIBS $ngx_feature_libs" else cat << END $0: error: libatomic_ops library was not found. END exit 1 fi fi