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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/testcase/tstFork.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-upstream.tar.xz virtualbox-upstream.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/testcase/tstFork.cpp')
-rw-r--r-- | src/VBox/Runtime/testcase/tstFork.cpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstFork.cpp b/src/VBox/Runtime/testcase/tstFork.cpp new file mode 100644 index 00000000..58d3f5ea --- /dev/null +++ b/src/VBox/Runtime/testcase/tstFork.cpp @@ -0,0 +1,106 @@ +/* $Id: tstFork.cpp $ */ +/** @file + * IPRT Testcase - fork() issues. + */ + +/* + * Copyright (C) 2009-2019 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 * +*********************************************************************************************************************************/ +#include <iprt/test.h> +#include <iprt/process.h> +#include <iprt/stream.h> +#include <iprt/string.h> +#include <iprt/initterm.h> + +#ifndef RT_OS_WINDOWS +# include <unistd.h> +# include <sys/wait.h> +# include <errno.h> +#endif + + +int main() +{ + /* + * Init the runtime and stuff. + */ + RTTEST hTest; + int rc = RTTestInitAndCreate("tstFork", &hTest); + if (rc) + return rc; + RTTestBanner(hTest); + +#ifdef RT_OS_WINDOWS + RTTestPrintf(hTest, RTTESTLVL_ALWAYS, "Skipped\n"); +#else + /* + * Get values that are supposed to or change across the fork. + */ + RTPROCESS const ProcBefore = RTProcSelf(); + + /* + * Fork. + */ + pid_t pid = fork(); + if (pid == 0) + { + /* + * Check that the values has changed. + */ + rc = 0; + if (ProcBefore == RTProcSelf()) + { + RTTestFailed(hTest, "%RTproc == %RTproc [child]", ProcBefore, RTProcSelf()); + rc = 1; + } + return rc; + } + if (pid != -1) + { + /* + * Check that the values didn't change. + */ + RTTEST_CHECK(hTest, ProcBefore == RTProcSelf()); + + /* + * Wait for the child. + */ + rc = 1; + while ( waitpid(pid, &rc, 0) + && errno == EINTR) + rc = 1; + if (!WIFEXITED(rc) || WEXITSTATUS(rc) != 0) + RTTestFailed(hTest, "rc=%#x", rc); + } + else + RTTestFailed(hTest, "fork() failed: %d - %s", errno, strerror(errno)); +#endif + + /* + * Summary + */ + return RTTestSummaryAndDestroy(hTest); +} + |