| 1 | /** @file
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| 2 | * IPRT - Core Dumper.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2010-2019 Oracle Corporation
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * The contents of this file may alternatively be used under the terms
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| 17 | * of the Common Development and Distribution License Version 1.0
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| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 19 | * VirtualBox OSE distribution, in which case the provisions of the
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| 20 | * CDDL are applicable instead of those of the GPL.
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| 21 | *
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| 22 | * You may elect to license modified versions of this file under the
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| 23 | * terms and conditions of either the GPL or the CDDL or both.
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| 24 | */
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| 25 |
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| 26 | #ifndef IPRT_INCLUDED_coredumper_h
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| 27 | #define IPRT_INCLUDED_coredumper_h
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| 28 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 29 | # pragma once
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| 30 | #endif
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| 31 |
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| 32 | #include <iprt/cdefs.h>
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| 33 | #include <iprt/types.h>
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| 34 |
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| 35 | RT_C_DECLS_BEGIN
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| 36 |
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| 37 | /** @defgroup grp_rt_coredumper RTCoreDumper - Core Dumper.
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| 38 | * @ingroup grp_rt
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| 39 | * @{
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| 40 | */
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| 41 |
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| 42 | /** @name RTCoreDumperSetup flags
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| 43 | * @{ */
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| 44 | /** Override system core dumper. Registers handlers for
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| 45 | * SIGSEGV/SIGTRAP/SIGBUS. */
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| 46 | #define RTCOREDUMPER_FLAGS_REPLACE_SYSTEM_DUMP RT_BIT(0)
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| 47 | /** Allow taking live process dumps (without killing process). Registers handler
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| 48 | * for SIGUSR2. */
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| 49 | #define RTCOREDUMPER_FLAGS_LIVE_CORE RT_BIT(1)
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| 50 | /** @} */
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| 51 |
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| 52 | /**
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| 53 | * Take a core dump of the current process without terminating it.
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| 54 | *
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| 55 | * @returns IPRT status code.
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| 56 | * @param pszOutputFile Name of the core file. If NULL use the
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| 57 | * default naming scheme.
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| 58 | * @param fLiveCore When true, the process is not killed after
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| 59 | * taking a core. Otherwise it will be killed. This
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| 60 | * works in conjuction with the flags set during
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| 61 | * RTCoreDumperSetup().
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| 62 | */
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| 63 | RTDECL(int) RTCoreDumperTakeDump(const char *pszOutputFile, bool fLiveCore);
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| 64 |
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| 65 | /**
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| 66 | * Sets up and enables the core dumper.
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| 67 | *
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| 68 | * Installs signal / unhandled exception handlers for catching fatal errors
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| 69 | * that should result in a core dump. If you wish to install your own handlers
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| 70 | * you should do that after calling this function and make sure you pass on
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| 71 | * events you don't handle.
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| 72 | *
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| 73 | * This can be called multiple times to change the settings without needing to
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| 74 | * call RTCoreDumperDisable in between.
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| 75 | *
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| 76 | * @param pszOutputDir The directory to store the cores in. If NULL
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| 77 | * the current directory will be used.
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| 78 | * @param fFlags Setup flags, 0 in NOT a valid flag, it must be
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| 79 | * one or more of RTCOREDUMPER_FLAGS_*.
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| 80 | */
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| 81 | RTDECL(int) RTCoreDumperSetup(const char *pszOutputDir, uint32_t fFlags);
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| 82 |
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| 83 | /**
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| 84 | * Disables the core dumper, i.e. undoes what RTCoreDumperSetup did.
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| 85 | *
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| 86 | * @returns IPRT status code.
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| 87 | */
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| 88 | RTDECL(int) RTCoreDumperDisable(void);
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| 89 |
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| 90 | /** @} */
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| 91 |
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| 92 | RT_C_DECLS_END
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| 93 |
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| 94 | #endif /* !IPRT_INCLUDED_coredumper_h */
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| 95 |
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