1 files changed, 106 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..6c7293e8
--- /dev/null
+++ b/src/VBox/Runtime/generic/RTProcDaemonize-generic.cpp
@@ -0,0 +1,106 @@
+/* $Id: RTProcDaemonize-generic.cpp $ */
+/** @file
+ * IPRT - RTProcDaemonize, generic implementation.
+ */
+
+/*
+ * Copyright (C) 2010-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   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 /*pExtraData*/, NULL /*phProcess*/);
+
+            RTFileClose(hStdOutAndErr.u.hFile);
+        }
+
+        RTFileClose(hStdIn.u.hFile);
+    }
+    RTMemFree(papszNewArgs);
+    return rc;
+}
+