ppc: use std::mutex for host spinlocks

Use the C++ standard mutex implementation for the non-Windows PPC
spinlock wrapper instead of depending on GLib mutex types.

This keeps the shared PPC coordinator free of an extra host runtime
dependency when it is built outside Windows.

diff --git a/ppc/ppc.cpp b/ppc/ppc.cpp
index b9b315c3caa84879430ddff20c643e33e9cb62d7..4ec0953bcb9b848485d3b05f6f02ab9242302648 100644 (file)
--- a/ppc/ppc.cpp
+++ b/ppc/ppc.cpp
@@ -47,8 +47,8 @@ static volatile bool ppc_spinlock_waiting;
 static CRITICAL_SECTION ppc_cs1, ppc_cs2;
 static bool ppc_cs_initialized;
 #else
-#include <glib.h>
-static GMutex mutex, mutex2;
+#include <mutex>
+static std::mutex ppc_mutex, ppc_mutex2;
 #endif
 
 void uae_ppc_spinlock_get(void)
@@ -60,11 +60,11 @@ void uae_ppc_spinlock_get(void)
        ppc_spinlock_waiting = false;
        LeaveCriticalSection(&ppc_cs2);
 #else
-       g_mutex_lock(&mutex2);
+       ppc_mutex2.lock();
        ppc_spinlock_waiting = true;
-       g_mutex_lock(&mutex);
+       ppc_mutex.lock();
        ppc_spinlock_waiting = false;
-       g_mutex_unlock(&mutex2);
+       ppc_mutex2.unlock();
 #endif
 #if SPINLOCK_DEBUG
        if (spinlock_cnt != 0)
@@ -83,7 +83,7 @@ void uae_ppc_spinlock_release(void)
 #ifdef WIN32_SPINLOCK
        LeaveCriticalSection(&ppc_cs1);
 #else
-       g_mutex_unlock(&mutex);
+       ppc_mutex.unlock();
 #endif
 }