Integrate TLDK with NGINX

Created a clone of nginx (from https://github.com/nginx/nginx)
to demonstrate and benchmark TLDK library integrated with real
world application.
A new nginx module is created and and BSD socket-like API is implemented
on top of native TLDK API.
Note, that right now only minimalistic subset of socket-like API is provided:
- accept
- close
- readv
- recv
- writev
so only limited nginx functionality is available for a moment.

Change-Id: Ie1efe9349a0538da4348a48fb8306cbf636b5a92
Signed-off-by: Mohammad Abdul Awal <mohammad.abdul.awal@intel.com>
Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
Signed-off-by: Remy Horton <remy.horton@intel.com>
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/app/nginx/auto/lib/libatomic/conf b/app/nginx/auto/lib/libatomic/conf
new file mode 100644
index 0000000..d1e484a
--- /dev/null
+++ b/app/nginx/auto/lib/libatomic/conf
@@ -0,0 +1,43 @@
+
+# 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