rtProcInitExePath-solaris.cpp revision 92453c7e11969eccff568c08178524f057247426
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/* $Id$ */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/** @file
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * IPRT - rtProcInitName, Solaris.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/*
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * Copyright (C) 2006-2008 Oracle Corporation
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * available from http://www.virtualbox.org. This file is free software;
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * you can redistribute it and/or modify it under the terms of the GNU
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * General Public License (GPL) as published by the Free Software
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * The contents of this file may alternatively be used under the terms
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * of the Common Development and Distribution License Version 1.0
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * VirtualBox OSE distribution, in which case the provisions of the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * CDDL are applicable instead of those of the GPL.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * You may elect to license modified versions of this file under the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * terms and conditions of either the GPL or the CDDL or both.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/*******************************************************************************
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync* Header Files *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync*******************************************************************************/
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#define LOG_GROUP RTLOGGROUP_PROCESS
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#include <unistd.h>
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#include <errno.h>
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#include <iprt/string.h>
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#include <iprt/assert.h>
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#include <iprt/err.h>
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#include <iprt/path.h>
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#include "internal/process.h"
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#include "internal/path.h"
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsyncDECLHIDDEN(int) rtProcInitExePath(char *pszPath, size_t cchPath)
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync{
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync /*
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * Read the /proc/<pid>/path/a.out link, convert to native and return it.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync char szProcFile[80];
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync RTStrPrintf(szProcFile, sizeof(szProcFile), "/proc/%ld/path/a.out", (long)getpid());
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync int cchLink = readlink(szProcFile, pszPath, cchPath - 1);
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync if (cchLink > 0 && (size_t)cchLink <= cchPath - 1)
{
pszPath[cchLink] = '\0';
char const *pszTmp;
int rc = rtPathFromNative(&pszTmp, pszPath, NULL);
AssertMsgRCReturn(rc, ("rc=%Rrc pszLink=\"%s\"\nhex: %.*Rhxs\n", rc, pszPath, cchLink, pszPath), rc);
if (pszTmp != pszPath)
{
rc = RTStrCopy(pszPath, cchPath, pszTmp);
rtPathFreeIprt(pszTmp, pszPath);
}
return rc;
}
int err = errno;
int rc = RTErrConvertFromErrno(err);
AssertMsgFailed(("rc=%Rrc err=%d cchLink=%d\n", rc, err, cchLink));
return rc;
}