Always initialize session cache locks lazily.

net/third_party/nss/ssl/sslimpl.h

 /*
  * This file is PRIVATE to SSL and should be the first thing included by
  * any SSL implementation file.
  *
  * ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
@@ skipping 1356 matching lines @@
 extern SECStatus   ssl2_HandleClientHelloMessage(sslSocket *ss);
 extern SECStatus   ssl2_HandleServerHelloMessage(sslSocket *ss);
 extern int         ssl2_StartGatherBytes(sslSocket *ss, sslGather *gs, 
                                          unsigned int count);
 
 extern SECStatus   ssl_CreateSecurityInfo(sslSocket *ss);
 extern SECStatus   ssl_CopySecurityInfo(sslSocket *ss, sslSocket *os);
 extern void        ssl_ResetSecurityInfo(sslSecurityInfo *sec, PRBool doMemset);
 extern void        ssl_DestroySecurityInfo(sslSecurityInfo *sec);
 
-extern sslSocket * ssl_DupSocket(sslSocket *old);
-
 extern void        ssl_PrintBuf(sslSocket *ss, const char *msg, const void *cp, int len);
 extern void        ssl_DumpMsg(sslSocket *ss, unsigned char *bp, unsigned len);
 
 extern int         ssl_SendSavedWriteData(sslSocket *ss);
 extern SECStatus ssl_SaveWriteData(sslSocket *ss, 
                                    const void* p, unsigned int l);
 extern SECStatus ssl2_BeginClientHandshake(sslSocket *ss);
 extern SECStatus ssl2_BeginServerHandshake(sslSocket *ss);
 extern int       ssl_Do1stHandshake(sslSocket *ss);
 
@@ skipping 423 matching lines @@
 extern PRBool
 ssl_SetWrappingKey(SSLWrappedSymWrappingKey *wswk);
 
 /* get rid of the symmetric wrapping key references. */
 extern SECStatus SSL3_ShutdownServerCache(void);
 
 extern SECStatus ssl_InitSymWrapKeysLock(void);
 
 extern SECStatus ssl_FreeSymWrapKeysLock(void);
 
-extern SECStatus ssl_InitSessionCacheLocks(PRBool lazyInit);
-
-extern SECStatus ssl_FreeSessionCacheLocks(void);
+extern SECStatus ssl_InitSessionCacheLocks(void);
 
 /***************** platform client auth ****************/
 
 #ifdef NSS_PLATFORM_CLIENT_AUTH
 // Releases the platform key.
 extern void ssl_FreePlatformKey(PlatformKey key);
 
 // Implement the client CertificateVerify message for SSL3/TLS1.0
 extern SECStatus ssl3_PlatformSignHashes(SSL3Hashes *hash,
                                          PlatformKey key, SECItem *buf,
@@ skipping 78 matching lines @@
 #elif defined(_WIN32_WCE)
 #define SSL_GETPID GetCurrentProcessId
 #elif defined(WIN32)
 extern int __cdecl _getpid(void);
 #define SSL_GETPID _getpid
 #else
 #define SSL_GETPID() 0
 #endif
 
 #endif /* __sslimpl_h_ */