(initialize_sockets): Don't initialize Winsock more than once.

1 files changed, 4 insertions, 0 deletions

diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index bede01aaa0b..af7c10cac7d 100644
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -390,8 +390,11 @@ void __cdecl close_winsock ()
 
 void initialize_sockets ()
 {
+  static done = FALSE;
   WSADATA wsaData;
 
+  if (done) return;
+
   /* Initialize the WinSock2 library.  */
   if (WSAStartup (MAKEWORD (2, 0), &wsaData))
     {
@@ -400,6 +403,7 @@ void initialize_sockets ()
     }
 
   atexit (close_winsock);
+  done = TRUE;
 }
 #endif /* WINDOWSNT */