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, 61 insertions, 0 deletions

diff --git a/app/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h b/app/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h
new file mode 100644
index 0000000..5f28055
--- /dev/null
+++ b/app/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h
@@ -0,0 +1,61 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#if (NGX_PTR_SIZE == 4)
+#define NGX_CASA  ngx_casa
+#else
+#define NGX_CASA  ngx_casxa
+#endif
+
+
+ngx_atomic_uint_t
+ngx_casa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock);
+
+ngx_atomic_uint_t
+ngx_casxa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock);
+
+/* the code in src/os/unix/ngx_sunpro_sparc64.il */
+
+
+static ngx_inline ngx_atomic_uint_t
+ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
+    ngx_atomic_uint_t set)
+{
+    set = NGX_CASA(set, old, lock);
+
+    return (set == old);
+}
+
+
+static ngx_inline ngx_atomic_int_t
+ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
+{
+    ngx_atomic_uint_t  old, res;
+
+    old = *value;
+
+    for ( ;; ) {
+
+        res = old + add;
+
+        res = NGX_CASA(res, old, value);
+
+        if (res == old) {
+            return res;
+        }
+
+        old = res;
+    }
+}
+
+
+#define ngx_memory_barrier()                                                  \
+        __asm (".volatile");                                                  \
+        __asm ("membar #LoadLoad | #LoadStore | #StoreStore | #StoreLoad");   \
+        __asm (".nonvolatile")
+
+#define ngx_cpu_pause()