| 1 | /* $Id: RTProcDaemonize-generic.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - RTProcDaemonize, generic implementation.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2010-2024 Oracle and/or its affiliates.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox base platform packages, as
|
|---|
| 10 | * available from https://www.virtualbox.org.
|
|---|
| 11 | *
|
|---|
| 12 | * This program is free software; you can redistribute it and/or
|
|---|
| 13 | * modify it under the terms of the GNU General Public License
|
|---|
| 14 | * as published by the Free Software Foundation, in version 3 of the
|
|---|
| 15 | * License.
|
|---|
| 16 | *
|
|---|
| 17 | * This program is distributed in the hope that it will be useful, but
|
|---|
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 20 | * General Public License for more details.
|
|---|
| 21 | *
|
|---|
| 22 | * You should have received a copy of the GNU General Public License
|
|---|
| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
|---|
| 24 | *
|
|---|
| 25 | * The contents of this file may alternatively be used under the terms
|
|---|
| 26 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
|
|---|
| 28 | * in the VirtualBox distribution, in which case the provisions of the
|
|---|
| 29 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 30 | *
|
|---|
| 31 | * You may elect to license modified versions of this file under the
|
|---|
| 32 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 33 | *
|
|---|
| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 |
|
|---|
| 38 | /*********************************************************************************************************************************
|
|---|
| 39 | * Header Files *
|
|---|
| 40 | *********************************************************************************************************************************/
|
|---|
| 41 | #define LOG_GROUP RTLOGGROUP_PROCESS
|
|---|
| 42 | #include <iprt/process.h>
|
|---|
| 43 | #include "internal/iprt.h"
|
|---|
| 44 |
|
|---|
| 45 | #include <iprt/assert.h>
|
|---|
| 46 | #include <iprt/env.h>
|
|---|
| 47 | #include <iprt/errcore.h>
|
|---|
| 48 | #include <iprt/file.h>
|
|---|
| 49 | #include <iprt/mem.h>
|
|---|
| 50 | #include <iprt/string.h>
|
|---|
| 51 | #include "internal/process.h"
|
|---|
| 52 |
|
|---|
| 53 |
|
|---|
| 54 | RTR3DECL(int) RTProcDaemonize(const char * const *papszArgs, const char *pszDaemonizedOpt)
|
|---|
| 55 | {
|
|---|
| 56 | /*
|
|---|
| 57 | * Get the executable name.
|
|---|
| 58 | * If this asserts, it's probably because rtR3Init hasn't been called.
|
|---|
| 59 | */
|
|---|
| 60 | char szExecPath[RTPATH_MAX];
|
|---|
| 61 | AssertReturn(RTProcGetExecutablePath(szExecPath, sizeof(szExecPath)) == szExecPath, VERR_WRONG_ORDER);
|
|---|
| 62 |
|
|---|
| 63 | /*
|
|---|
| 64 | * Create a copy of the argument list with the daemonized option appended.
|
|---|
| 65 | */
|
|---|
| 66 | unsigned cArgs = 0;
|
|---|
| 67 | while (papszArgs[cArgs])
|
|---|
| 68 | cArgs++;
|
|---|
| 69 |
|
|---|
| 70 | char const **papszNewArgs = (char const **)RTMemAlloc(sizeof(const char *) * (cArgs + 2));
|
|---|
| 71 | if (!papszNewArgs)
|
|---|
| 72 | return VERR_NO_MEMORY;
|
|---|
| 73 | for (unsigned i = 0; i < cArgs; i++)
|
|---|
| 74 | papszNewArgs[i] = papszArgs[i];
|
|---|
| 75 | papszNewArgs[cArgs] = pszDaemonizedOpt;
|
|---|
| 76 | papszNewArgs[cArgs + 1] = NULL;
|
|---|
| 77 |
|
|---|
| 78 | /*
|
|---|
| 79 | * Open the bitbucket handles and create the detached process.
|
|---|
| 80 | */
|
|---|
| 81 | RTHANDLE hStdIn;
|
|---|
| 82 | int rc = RTFileOpenBitBucket(&hStdIn.u.hFile, RTFILE_O_READ);
|
|---|
| 83 | if (RT_SUCCESS(rc))
|
|---|
| 84 | {
|
|---|
| 85 | hStdIn.enmType = RTHANDLETYPE_FILE;
|
|---|
| 86 |
|
|---|
| 87 | RTHANDLE hStdOutAndErr;
|
|---|
| 88 | rc = RTFileOpenBitBucket(&hStdOutAndErr.u.hFile, RTFILE_O_WRITE);
|
|---|
| 89 | if (RT_SUCCESS(rc))
|
|---|
| 90 | {
|
|---|
| 91 | hStdOutAndErr.enmType = RTHANDLETYPE_FILE;
|
|---|
| 92 |
|
|---|
| 93 | rc = RTProcCreateEx(szExecPath, papszNewArgs, RTENV_DEFAULT,
|
|---|
| 94 | RTPROC_FLAGS_DETACHED | RTPROC_FLAGS_SAME_CONTRACT,
|
|---|
| 95 | &hStdIn, &hStdOutAndErr, &hStdOutAndErr,
|
|---|
| 96 | NULL /*pszAsUser*/, NULL /*pszPassword*/, NULL /*pExtraData*/, NULL /*phProcess*/);
|
|---|
| 97 |
|
|---|
| 98 | RTFileClose(hStdOutAndErr.u.hFile);
|
|---|
| 99 | }
|
|---|
| 100 |
|
|---|
| 101 | RTFileClose(hStdIn.u.hFile);
|
|---|
| 102 | }
|
|---|
| 103 | RTMemFree(papszNewArgs);
|
|---|
| 104 | return rc;
|
|---|
| 105 | }
|
|---|
| 106 |
|
|---|
