1 files changed, 49 insertions, 0 deletions
diff --git a/mysys/my_net.c b/mysys/my_net.c
new file mode 100644
index 00000000000..1c91f7ff802
--- /dev/null
+++ b/mysys/my_net.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
+/* thread safe version of some common functions */
+
+#include "mysys_priv.h"
+#include <m_string.h>
+
+/* for thread safe my_inet_ntoa */
+#if !defined(MSDOS) && !defined(__WIN__)
+#include <netdb.h>
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#endif /* !defined(MSDOS) && !defined(__WIN__) */
+
+#ifndef THREAD
+#define pthread_mutex_lock(A)
+#define pthread_mutex_unlock(A)
+#endif
+
+void my_inet_ntoa(struct in_addr in, char *buf)
+{
+  char *ptr;
+  pthread_mutex_lock(&THR_LOCK_net);
+  ptr=inet_ntoa(in);
+  strmov(buf,ptr);
+  pthread_mutex_unlock(&THR_LOCK_net);
+}