win32: Fix external compilation using libimobiledevice-glue/thread.h

When using mutex_t data type externally, compilation might fail if
CRITICAL_SECTION is not defined, so we just define our own copy.

1 files changed, 15 insertions, 2 deletions

diff --git a/include/libimobiledevice-glue/thread.h b/include/libimobiledevice-glue/thread.h
index a960410..b9c0bd0 100644
--- a/include/libimobiledevice-glue/thread.h
+++ b/include/libimobiledevice-glue/thread.h
@@ -27,8 +27,21 @@
 #ifdef WIN32
 typedef void* HANDLE;
 typedef HANDLE THREAD_T;
-struct _RTL_CRITICAL_SECTION;
-typedef struct _RTL_CRITICAL_SECTION mutex_t;
+#pragma pack(push, 8)
+struct _CRITICAL_SECTION_ST {
+	void* DebugInfo;
+	long LockCount;
+	long RecursionCount;
+	HANDLE OwningThread;
+	HANDLE LockSemaphore;
+#if defined(_WIN64)
+	unsigned __int64 SpinCount;
+#else
+	unsigned long SpinCount;
+#endif
+};
+#pragma pack(pop)
+typedef struct _CRITICAL_SECTION_ST mutex_t;
 typedef struct {
 	HANDLE sem;
 } cond_t;