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-rw-r--r--mysql/extra/yassl/src/lock.cpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/mysql/extra/yassl/src/lock.cpp b/mysql/extra/yassl/src/lock.cpp
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+/*
+ Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ MA 02110-1301 USA.
+*/
+
+/* Locking functions
+ */
+
+#include "runtime.hpp"
+#include "lock.hpp"
+
+
+namespace yaSSL {
+
+
+#ifdef MULTI_THREADED
+ #ifdef _WIN32
+
+ Mutex::Mutex()
+ {
+ InitializeCriticalSection(&cs_);
+ }
+
+
+ Mutex::~Mutex()
+ {
+ DeleteCriticalSection(&cs_);
+ }
+
+
+ Mutex::Lock::Lock(Mutex& lm) : mutex_(lm)
+ {
+ EnterCriticalSection(&mutex_.cs_);
+ }
+
+
+ Mutex::Lock::~Lock()
+ {
+ LeaveCriticalSection(&mutex_.cs_);
+ }
+
+ #else // _WIN32
+
+ Mutex::Mutex()
+ {
+ pthread_mutex_init(&mutex_, 0);
+ }
+
+
+ Mutex::~Mutex()
+ {
+ pthread_mutex_destroy(&mutex_);
+ }
+
+
+ Mutex::Lock::Lock(Mutex& lm) : mutex_(lm)
+ {
+ pthread_mutex_lock(&mutex_.mutex_);
+ }
+
+
+ Mutex::Lock::~Lock()
+ {
+ pthread_mutex_unlock(&mutex_.mutex_);
+ }
+
+
+ #endif // _WIN32
+#endif // MULTI_THREADED
+
+
+
+} // namespace yaSSL
+