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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
commit | 16f504a9dca3fe3b70568f67b7d41241ae485288 (patch) | |
tree | c60f36ada0496ba928b7161059ba5ab1ab224f9d /src/VBox/Runtime/r3/posix/tls-posix.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.tar.xz virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.zip |
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/r3/posix/tls-posix.cpp')
-rw-r--r-- | src/VBox/Runtime/r3/posix/tls-posix.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/posix/tls-posix.cpp b/src/VBox/Runtime/r3/posix/tls-posix.cpp new file mode 100644 index 00000000..b623357c --- /dev/null +++ b/src/VBox/Runtime/r3/posix/tls-posix.cpp @@ -0,0 +1,119 @@ +/* $Id: tls-posix.cpp $ */ +/** @file + * IPRT - Thread Local Storage (TLS), POSIX. + */ + +/* + * Copyright (C) 2008-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox 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. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_THREAD +#include <errno.h> +#include <pthread.h> + +#include <iprt/thread.h> +#include <iprt/log.h> +#include <iprt/assert.h> +#include <iprt/errcore.h> + + +AssertCompile(sizeof(pthread_key_t) <= sizeof(RTTLS)); + + +RTR3DECL(RTTLS) RTTlsAlloc(void) +{ + pthread_key_t iTls = (pthread_key_t)NIL_RTTLS; + int rc = pthread_key_create(&iTls, NULL); + if (!rc) + { + Assert(iTls != (pthread_key_t)NIL_RTTLS); + return iTls; + } + return NIL_RTTLS; +} + + +RTR3DECL(int) RTTlsAllocEx(PRTTLS piTls, PFNRTTLSDTOR pfnDestructor) +{ + pthread_key_t iTls = (pthread_key_t)NIL_RTTLS; +#if defined(__GNUC__) && defined(RT_ARCH_X86) + int rc = pthread_key_create(&iTls, (void (*)(void*))pfnDestructor); +#else + int rc = pthread_key_create(&iTls, pfnDestructor); +#endif + if (!rc) + { + *piTls = iTls; + Assert((pthread_key_t)*piTls == iTls); + Assert(*piTls != NIL_RTTLS); + return VINF_SUCCESS; + } + return RTErrConvertFromErrno(rc); +} + + +RTR3DECL(int) RTTlsFree(RTTLS iTls) +{ + if (iTls == NIL_RTTLS) + return VINF_SUCCESS; + int rc = pthread_key_delete(iTls); + if (!rc) + return VINF_SUCCESS; + return RTErrConvertFromErrno(rc); +} + + +RTR3DECL(void *) RTTlsGet(RTTLS iTls) +{ + return pthread_getspecific(iTls); +} + + +RTR3DECL(int) RTTlsGetEx(RTTLS iTls, void **ppvValue) +{ + if (RT_UNLIKELY(iTls == NIL_RTTLS)) + return VERR_INVALID_PARAMETER; + *ppvValue = pthread_getspecific(iTls); + return VINF_SUCCESS; +} + + +RTR3DECL(int) RTTlsSet(RTTLS iTls, void *pvValue) +{ + int rc = pthread_setspecific(iTls, pvValue); + if (RT_UNLIKELY(rc != 0)) + return RTErrConvertFromErrno(rc); + return VINF_SUCCESS; +} + |