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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/r3/linux/RTThreadGetNativeState-linux.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.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/linux/RTThreadGetNativeState-linux.cpp')
-rw-r--r-- | src/VBox/Runtime/r3/linux/RTThreadGetNativeState-linux.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/linux/RTThreadGetNativeState-linux.cpp b/src/VBox/Runtime/r3/linux/RTThreadGetNativeState-linux.cpp new file mode 100644 index 00000000..066fa966 --- /dev/null +++ b/src/VBox/Runtime/r3/linux/RTThreadGetNativeState-linux.cpp @@ -0,0 +1,111 @@ +/* $Id: RTThreadGetNativeState-linux.cpp $ */ +/** @file + * IPRT - RTThreadGetNativeState, linux implementation. + */ + +/* + * Copyright (C) 2010-2019 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_PROCESS +#include <iprt/thread.h> +#include "internal/iprt.h" + +#include <iprt/assert.h> +#include <iprt/ctype.h> +#include <iprt/errcore.h> +#include <iprt/string.h> + +#include "internal/thread.h" + +#include <unistd.h> +#include <sys/fcntl.h> + + +RTDECL(RTTHREADNATIVESTATE) RTThreadGetNativeState(RTTHREAD hThread) +{ + RTTHREADNATIVESTATE enmRet = RTTHREADNATIVESTATE_INVALID; + PRTTHREADINT pThread = rtThreadGet(hThread); + if (pThread) + { + enmRet = RTTHREADNATIVESTATE_UNKNOWN; + + char szName[512]; + RTStrPrintf(szName, sizeof(szName), "/proc/self/task/%u/stat", pThread->tid); + int fd = open(szName, O_RDONLY, 0); + if (fd >= 0) + { + ssize_t cch = read(fd, szName, sizeof(szName) - 1); + close(fd); + if (cch > 0) + { + szName[cch] = '\0'; + + /* skip the pid, the (comm name) and stop at the status char. */ + const char *psz = szName; + while ( *psz + && ( *psz != ')' + || !RT_C_IS_SPACE(psz[1]) + || !RT_C_IS_ALPHA(psz[2]) + || !RT_C_IS_SPACE(psz[3]) + ) + ) + psz++; + if (*psz == ')') + { + switch (psz[2]) + { + case 'R': /* running */ + enmRet = RTTHREADNATIVESTATE_RUNNING; + break; + + case 'S': /* sleeping */ + case 'D': /* disk sleeping */ + enmRet = RTTHREADNATIVESTATE_BLOCKED; + break; + + case 'T': /* stopped or tracking stop */ + enmRet = RTTHREADNATIVESTATE_SUSPENDED; + break; + + case 'Z': /* zombie */ + case 'X': /* dead */ + enmRet = RTTHREADNATIVESTATE_TERMINATED; + break; + + default: + AssertMsgFailed(("state=%c\n", psz[2])); + enmRet = RTTHREADNATIVESTATE_UNKNOWN; + break; + } + } + else + AssertMsgFailed(("stat='%s'\n", szName)); + } + } + rtThreadRelease(pThread); + } + return enmRet; +} + |