1 files changed, 109 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..7cc8d0a2
--- /dev/null
+++ b/src/VBox/Runtime/r3/posix/tls-posix.cpp
@@ -0,0 +1,109 @@
+/* $Id: tls-posix.cpp $ */
+/** @file
+ * IPRT - Thread Local Storage (TLS), POSIX.
+ */
+
+/*
+ * Copyright (C) 2008-2020 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 <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;
+}
+