| 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) 2010-2022 Oracle and/or its affiliates.
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| 7 | *
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| 8 | * This file is part of VirtualBox base platform packages, as
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| 9 | * available from https://www.virtualbox.org.
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| 10 | *
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| 11 | * This program is free software; you can redistribute it and/or
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| 12 | * modify it under the terms of the GNU General Public License
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| 13 | * as published by the Free Software Foundation, in version 3 of the
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| 14 | * License.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful, but
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| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 19 | * General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 23 | *
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| 24 | * The contents of this file may alternatively be used under the terms
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| 25 | * of the Common Development and Distribution License Version 1.0
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| 26 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 27 | * in the VirtualBox distribution, in which case the provisions of the
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| 28 | * CDDL are applicable instead of those of the GPL.
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| 29 | *
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| 30 | * You may elect to license modified versions of this file under the
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| 31 | * terms and conditions of either the GPL or the CDDL or both.
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| 32 | *
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| 33 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 34 | */
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| 35 |
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| 36 | #ifndef IPRT_INCLUDED_coredumper_h
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| 37 | #define IPRT_INCLUDED_coredumper_h
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| 38 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 39 | # pragma once
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| 40 | #endif
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| 41 |
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| 42 | #include <iprt/cdefs.h>
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| 43 | #include <iprt/types.h>
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| 44 |
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| 45 | RT_C_DECLS_BEGIN
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| 46 |
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| 47 | /** @defgroup grp_rt_coredumper RTCoreDumper - Core Dumper.
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| 48 | * @ingroup grp_rt
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| 49 | * @{
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| 50 | */
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| 51 |
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| 52 | /** @name RTCoreDumperSetup flags
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| 53 | * @{ */
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| 54 | /** Override system core dumper. Registers handlers for
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| 55 | * SIGSEGV/SIGTRAP/SIGBUS. */
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| 56 | #define RTCOREDUMPER_FLAGS_REPLACE_SYSTEM_DUMP RT_BIT(0)
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| 57 | /** Allow taking live process dumps (without killing process). Registers handler
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| 58 | * for SIGUSR2. */
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| 59 | #define RTCOREDUMPER_FLAGS_LIVE_CORE RT_BIT(1)
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| 60 | /** @} */
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| 61 |
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| 62 | /**
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| 63 | * Take a core dump of the current process without terminating it.
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| 64 | *
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| 65 | * @returns IPRT status code.
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| 66 | * @param pszOutputFile Name of the core file. If NULL use the
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| 67 | * default naming scheme.
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| 68 | * @param fLiveCore When true, the process is not killed after
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| 69 | * taking a core. Otherwise it will be killed. This
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| 70 | * works in conjuction with the flags set during
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| 71 | * RTCoreDumperSetup().
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| 72 | */
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| 73 | RTDECL(int) RTCoreDumperTakeDump(const char *pszOutputFile, bool fLiveCore);
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| 74 |
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| 75 | /**
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| 76 | * Sets up and enables the core dumper.
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| 77 | *
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| 78 | * Installs signal / unhandled exception handlers for catching fatal errors
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| 79 | * that should result in a core dump. If you wish to install your own handlers
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| 80 | * you should do that after calling this function and make sure you pass on
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| 81 | * events you don't handle.
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| 82 | *
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| 83 | * This can be called multiple times to change the settings without needing to
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| 84 | * call RTCoreDumperDisable in between.
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| 85 | *
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| 86 | * @param pszOutputDir The directory to store the cores in. If NULL
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| 87 | * the current directory will be used.
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| 88 | * @param fFlags Setup flags, 0 in NOT a valid flag, it must be
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| 89 | * one or more of RTCOREDUMPER_FLAGS_*.
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| 90 | */
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| 91 | RTDECL(int) RTCoreDumperSetup(const char *pszOutputDir, uint32_t fFlags);
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| 92 |
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| 93 | /**
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| 94 | * Disables the core dumper, i.e. undoes what RTCoreDumperSetup did.
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| 95 | *
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| 96 | * @returns IPRT status code.
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| 97 | */
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| 98 | RTDECL(int) RTCoreDumperDisable(void);
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| 99 |
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| 100 | /** @} */
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| 101 |
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| 102 | RT_C_DECLS_END
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| 103 |
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| 104 | #endif /* !IPRT_INCLUDED_coredumper_h */
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| 105 |
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