diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/r3/win/tls-win.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-upstream.tar.xz virtualbox-upstream.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/r3/win/tls-win.cpp')
-rw-r--r-- | src/VBox/Runtime/r3/win/tls-win.cpp | 104 |
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()); +} + |