From 532ffcf220017f193924c8cd9c8b38334edac328 Mon Sep 17 00:00:00 2001
From: Sean Hefty <sean.hefty@intel.com>
Date: Mon, 16 Aug 2010 15:03:51 -0700
Subject: [PATCH] librdmacm: initialize wsa

---
 trunk/ulp/librdmacm/src/addrinfo.cpp | 32 ++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/trunk/ulp/librdmacm/src/addrinfo.cpp b/trunk/ulp/librdmacm/src/addrinfo.cpp
index b9642fe6..acdc34de 100644
--- a/trunk/ulp/librdmacm/src/addrinfo.cpp
+++ b/trunk/ulp/librdmacm/src/addrinfo.cpp
@@ -36,11 +36,40 @@
 
 #include <windows.h>
 #include <winsock2.h>
+#include <stdio.h>
 
 #include "cma.h"
 #include <rdma/rdma_cma.h>
 #include <rdma/rdma_verbs.h>
 
+static DWORD addr_ref;
+
+static void ucma_startup(void)
+{
+	WSADATA wsadata;
+
+	EnterCriticalSection(&lock);
+	if (addr_ref++) {
+		goto out;
+	}
+
+	if (WSAStartup(MAKEWORD(2, 2), &wsadata)) {
+		addr_ref--;
+	}
+
+out:
+	LeaveCriticalSection(&lock);
+}
+
+static void ucma_shutdown(void)
+{
+	EnterCriticalSection(&lock);
+	if (--addr_ref == 0) {
+		WSACleanup();
+	}
+	LeaveCriticalSection(&lock);
+}
+
 static void ucma_convert_to_ai(struct addrinfo *ai, struct rdma_addrinfo *rai)
 {
 	memset(ai, 0, sizeof *ai);
@@ -136,10 +165,12 @@ int rdma_getaddrinfo(char *node, char *service,
 	struct addrinfo *ai;
 	int ret;
 
+	ucma_startup();
 	if (hints)
 		ucma_convert_to_ai(&ai_hints, hints);
 
 	ret = getaddrinfo(node, service, &ai_hints, &ai);
+printf("getaddrinfo %d\n", ret);
 	if (ret)
 		return ret;
 
@@ -208,4 +239,5 @@ void rdma_freeaddrinfo(struct rdma_addrinfo *res)
 
 		free(rai);
 	}
+	ucma_shutdown();
 }
-- 
2.46.0