Create a branch for cmake bringup.

svn path=/branches/cmake-bringup/; revision=48236

lib/sdk/crt/misc/tls.c

@@ -0,0 +1,102 @@
+#include <precomp.h>
+#include <stdlib.h>
+#include <internal/tls.h>
+#include <internal/rterror.h>
+
+
+static unsigned long TlsIndex = (unsigned long)-1;
+
+
+static void InitThreadData(PTHREADDATA ThreadData)
+{
+   ThreadData->terrno = 0;
+   ThreadData->tdoserrno = 0;
+
+   ThreadData->fpecode = 0;
+
+   ThreadData->tnext = 1;
+
+   /* FIXME: init more thread local data */
+
+}
+
+
+int CreateThreadData(void)
+{
+   PTHREADDATA ThreadData;
+
+   TlsIndex = TlsAlloc();
+   if (TlsIndex == (unsigned long)-1)
+     return FALSE;
+
+   ThreadData = (PTHREADDATA)calloc(1, sizeof(THREADDATA));
+   if (ThreadData == NULL)
+     return FALSE;
+
+   if(!TlsSetValue(TlsIndex, (LPVOID)ThreadData))
+     return FALSE;
+
+   InitThreadData(ThreadData);
+
+   return TRUE;
+}
+
+
+void DestroyThreadData(void)
+{
+   if (TlsIndex != (unsigned long)-1)
+     {
+	TlsFree(TlsIndex);
+	TlsIndex = (unsigned long)-1;
+     }
+}
+
+
+void FreeThreadData(PTHREADDATA ThreadData)
+{
+   if (TlsIndex != (unsigned long)-1)
+     {
+	if (ThreadData == NULL)
+	   ThreadData = TlsGetValue(TlsIndex);
+
+	if (ThreadData != NULL)
+	  {
+	     /* FIXME: free more thread local data */
+
+	     free(ThreadData);
+	  }
+
+	TlsSetValue(TlsIndex, NULL);
+     }
+}
+
+
+PTHREADDATA GetThreadData(void)
+{
+   PTHREADDATA ThreadData;
+   DWORD LastError;
+
+   LastError = GetLastError();
+   ThreadData = TlsGetValue(TlsIndex);
+   if (ThreadData == NULL)
+     {
+	ThreadData = (PTHREADDATA)calloc(1, sizeof(THREADDATA));
+	if (ThreadData != NULL)
+	  {
+	     TlsSetValue(TlsIndex, (LPVOID)ThreadData);
+
+	     InitThreadData(ThreadData);
+	  }
+	else
+	  {
+	    _amsg_exit(_RT_THREAD); /* write message and die */
+	  }
+     }
+
+   SetLastError(LastError);
+
+   return ThreadData;
+}
+
+/* EOF */
+