Move most platform-specific code into overlay directories

[libs/core.git] / source / core / unix / mutex.cpp

diff --git a/source/core/unix/mutex.cpp b/source/core/unix/mutex.cpp
new file mode 100644 (file)
index 0000000..15e5c9a
--- /dev/null
+++ b/source/core/unix/mutex.cpp
@@ -0,0 +1,41 @@
+#include <cerrno>
+#include <pthread.h>
+#include "mutex.h"
+#include "mutex_private.h"
+#include "systemerror.h"
+
+namespace Msp {
+
+Mutex::Mutex():
+       priv(new Private)
+{
+       pthread_mutex_init(&priv->mutex, 0);
+}
+
+Mutex::~Mutex()
+{
+       pthread_mutex_destroy(&priv->mutex);
+       delete priv;
+}
+
+void Mutex::lock()
+{
+       if(int err = pthread_mutex_lock(&priv->mutex))
+               throw system_error("pthread_mutex_lock", err);
+}
+
+bool Mutex::trylock()
+{
+       int err = pthread_mutex_trylock(&priv->mutex);
+       if(err && err!=EBUSY)
+               throw system_error("pthread_mutex_trylock", err);
+       return !err;
+}
+
+void Mutex::unlock()
+{
+       if(int err = pthread_mutex_unlock(&priv->mutex))
+               throw system_error("pthread_mutex_unlock", err);
+}
+
+} // namespace Msp