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-rw-r--r--src/VBox/Runtime/r3/win/tls-win.cpp104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/win/tls-win.cpp b/src/VBox/Runtime/r3/win/tls-win.cpp
new file mode 100644
index 00000000..f50c6073
--- /dev/null
+++ b/src/VBox/Runtime/r3/win/tls-win.cpp
@@ -0,0 +1,104 @@
+/* $Id: tls-win.cpp $ */
+/** @file
+ * IPRT - Thread Local Storage (TLS), Win32.
+ */
+
+/*
+ * Copyright (C) 2008-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#define LOG_GROUP RTLOGGROUP_THREAD
+#include <iprt/win/windows.h>
+
+#include <iprt/thread.h>
+#include <iprt/log.h>
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+#include "internal/thread.h"
+
+
+AssertCompile(sizeof(RTTLS) >= sizeof(DWORD));
+
+
+RTR3DECL(RTTLS) RTTlsAlloc(void)
+{
+ DWORD iTls = TlsAlloc();
+ return iTls != TLS_OUT_OF_INDEXES ? (RTTLS)iTls : NIL_RTTLS;
+}
+
+
+RTR3DECL(int) RTTlsAllocEx(PRTTLS piTls, PFNRTTLSDTOR pfnDestructor)
+{
+ AssertReturn(!pfnDestructor, VERR_NOT_SUPPORTED);
+ DWORD iTls = TlsAlloc();
+ if (iTls != TLS_OUT_OF_INDEXES)
+ {
+ Assert((RTTLS)iTls != NIL_RTTLS);
+ *piTls = (RTTLS)iTls;
+ Assert((DWORD)*piTls == iTls);
+ return VINF_SUCCESS;
+ }
+
+ return VERR_NO_MEMORY;
+}
+
+
+RTR3DECL(int) RTTlsFree(RTTLS iTls)
+{
+ if (iTls == NIL_RTTLS)
+ return VINF_SUCCESS;
+ if (TlsFree((DWORD)iTls))
+ return VINF_SUCCESS;
+ return RTErrConvertFromWin32(GetLastError());
+}
+
+
+RTR3DECL(void *) RTTlsGet(RTTLS iTls)
+{
+ return TlsGetValue((DWORD)iTls);
+}
+
+
+RTR3DECL(int) RTTlsGetEx(RTTLS iTls, void **ppvValue)
+{
+ void *pv = TlsGetValue((DWORD)iTls);
+ if (pv)
+ {
+ *ppvValue = pv;
+ return VINF_SUCCESS;
+ }
+
+ /* TlsGetValue always updates last error */
+ *ppvValue = NULL;
+ return RTErrConvertFromWin32(GetLastError());
+}
+
+
+RTR3DECL(int) RTTlsSet(RTTLS iTls, void *pvValue)
+{
+ if (TlsSetValue((DWORD)iTls, pvValue))
+ return VINF_SUCCESS;
+ return RTErrConvertFromWin32(GetLastError());
+}
+