1 files changed, 60 insertions, 0 deletions
diff --git a/security/nss/lib/ssl/sslinit.c b/security/nss/lib/ssl/sslinit.c
new file mode 100644
index 0000000000..07d57ce6ed
--- /dev/null
+++ b/security/nss/lib/ssl/sslinit.c
@@ -0,0 +1,60 @@
+/*
+ * NSS utility functions
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "prtypes.h"
+#include "prinit.h"
+#include "seccomon.h"
+#include "secerr.h"
+#include "ssl.h"
+#include "sslimpl.h"
+#include "sslproto.h"
+
+static int ssl_isInited = 0;
+static PRCallOnceType ssl_init = { 0 };
+PR_STATIC_ASSERT(sizeof(unsigned long) <= sizeof(PRUint64));
+
+PRStatus
+ssl_InitCallOnce(void *arg)
+{
+    int *error = (int *)arg;
+    SECStatus rv;
+
+    rv = ssl_InitializePRErrorTable();
+    if (rv != SECSuccess) {
+        *error = SEC_ERROR_NO_MEMORY;
+        return PR_FAILURE;
+    }
+#ifdef DEBUG
+    ssl3_CheckCipherSuiteOrderConsistency();
+#endif
+
+    rv = ssl3_ApplyNSSPolicy();
+    if (rv != SECSuccess) {
+        *error = PORT_GetError();
+        return PR_FAILURE;
+    }
+    return PR_SUCCESS;
+}
+
+SECStatus
+ssl_Init(void)
+{
+    PRStatus nrv;
+
+    /* short circuit test if we are already inited */
+    if (!ssl_isInited) {
+        int error;
+        /* only do this once at init time, block all others until we are done */
+        nrv = PR_CallOnceWithArg(&ssl_init, ssl_InitCallOnce, &error);
+        if (nrv != PR_SUCCESS) {
+            PORT_SetError(error);
+            return SECFailure;
+        }
+        ssl_isInited = 1;
+    }
+    return SECSuccess;
+}