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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/generic/RTProcDaemonize-generic.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/VBox/Runtime/generic/RTProcDaemonize-generic.cpp b/src/VBox/Runtime/generic/RTProcDaemonize-generic.cpp new file mode 100644 index 00000000..07c33cfe --- /dev/null +++ b/src/VBox/Runtime/generic/RTProcDaemonize-generic.cpp @@ -0,0 +1,96 @@ +/* $Id: RTProcDaemonize-generic.cpp $ */ +/** @file + * IPRT - RTProcDaemonize, generic 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/process.h> +#include "internal/iprt.h" + +#include <iprt/assert.h> +#include <iprt/env.h> +#include <iprt/errcore.h> +#include <iprt/file.h> +#include <iprt/mem.h> +#include <iprt/string.h> +#include "internal/process.h" + + +RTR3DECL(int) RTProcDaemonize(const char * const *papszArgs, const char *pszDaemonizedOpt) +{ + /* + * Get the executable name. + * If this asserts, it's probably because rtR3Init hasn't been called. + */ + char szExecPath[RTPATH_MAX]; + AssertReturn(RTProcGetExecutablePath(szExecPath, sizeof(szExecPath)) == szExecPath, VERR_WRONG_ORDER); + + /* + * Create a copy of the argument list with the daemonized option appended. + */ + unsigned cArgs = 0; + while (papszArgs[cArgs]) + cArgs++; + + char const **papszNewArgs = (char const **)RTMemAlloc(sizeof(const char *) * (cArgs + 2)); + if (!papszNewArgs) + return VERR_NO_MEMORY; + for (unsigned i = 0; i < cArgs; i++) + papszNewArgs[i] = papszArgs[i]; + papszNewArgs[cArgs] = pszDaemonizedOpt; + papszNewArgs[cArgs + 1] = NULL; + + /* + * Open the bitbucket handles and create the detached process. + */ + RTHANDLE hStdIn; + int rc = RTFileOpenBitBucket(&hStdIn.u.hFile, RTFILE_O_READ); + if (RT_SUCCESS(rc)) + { + hStdIn.enmType = RTHANDLETYPE_FILE; + + RTHANDLE hStdOutAndErr; + rc = RTFileOpenBitBucket(&hStdOutAndErr.u.hFile, RTFILE_O_WRITE); + if (RT_SUCCESS(rc)) + { + hStdOutAndErr.enmType = RTHANDLETYPE_FILE; + + rc = RTProcCreateEx(szExecPath, papszNewArgs, RTENV_DEFAULT, + RTPROC_FLAGS_DETACHED | RTPROC_FLAGS_SAME_CONTRACT, + &hStdIn, &hStdOutAndErr, &hStdOutAndErr, + NULL /*pszAsUser*/, NULL /*pszPassword*/, NULL /*phProcess*/); + + RTFileClose(hStdOutAndErr.u.hFile); + } + + RTFileClose(hStdOutAndErr.u.hFile); + } + RTMemFree(papszNewArgs); + return rc; +} + |