| 1 | /* $Id: tstRTProcWait.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase - RTProcWait.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #include <iprt/initterm.h>
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| 42 | #include <iprt/process.h>
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| 43 | #include <iprt/thread.h>
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| 44 | #include <iprt/stream.h>
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| 45 | #include <iprt/semaphore.h>
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| 46 | #include <iprt/env.h>
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| 47 | #include <iprt/errcore.h>
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| 48 | #include <iprt/string.h>
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| 49 |
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| 50 |
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| 51 |
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| 52 |
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| 53 | typedef struct SpawnerArgs
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| 54 | {
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| 55 | RTPROCESS Process;
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| 56 | const char *pszExe;
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| 57 | } SPAWNERARGS, *PSPAWNERARGS;
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| 58 |
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| 59 |
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| 60 | DECLCALLBACK(int) SpawnerThread(RTTHREAD Thread, void *pvUser)
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| 61 | {
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| 62 | RT_NOREF1(Thread);
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| 63 | PSPAWNERARGS pArgs = (PSPAWNERARGS)pvUser;
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| 64 | pArgs->Process = NIL_RTPROCESS;
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| 65 | const char *apszArgs[3] = { pArgs->pszExe, "child", NULL };
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| 66 | return RTProcCreate(apszArgs[0], apszArgs, RTENV_DEFAULT, 0, &pArgs->Process);
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| 67 | }
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| 68 |
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| 69 |
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| 70 | static int DisplaySignalList(void)
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| 71 | {
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| 72 | for (int iSig = 0; iSig < 128; iSig++)
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| 73 | RTPrintf("%4d: %s\n", iSig, RTProcSignalName(iSig));
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| 74 | return 0;
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| 75 | }
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| 76 |
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| 77 |
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| 78 | int main(int argc, char **argv)
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| 79 | {
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| 80 | RTR3InitExe(argc, &argv, 0);
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| 81 | if (argc == 2 && !strcmp(argv[1], "child"))
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| 82 | return 42;
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| 83 | if (argc == 2 && !strcmp(argv[1], "signal-list"))
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| 84 | return DisplaySignalList();
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| 85 |
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| 86 | RTPrintf("tstRTWait: spawning a child in a separate thread and waits for it in the main thread...\n");
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| 87 | RTTHREAD Thread;
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| 88 | SPAWNERARGS Args = { NIL_RTPROCESS, argv[0] };
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| 89 | int rc = RTThreadCreate(&Thread, SpawnerThread, &Args, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "SPAWNER");
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| 90 | if (RT_SUCCESS(rc))
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| 91 | {
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| 92 | /* Wait for it to complete. */
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| 93 | int rc2;
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| 94 | rc = RTThreadWait(Thread, RT_INDEFINITE_WAIT, &rc2);
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| 95 | if (RT_SUCCESS(rc))
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| 96 | rc = rc2;
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| 97 | if (RT_SUCCESS(rc))
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| 98 | {
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| 99 | /* wait for the process to complete */
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| 100 | RTPROCSTATUS Status;
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| 101 | rc = RTProcWait(Args.Process, 0, &Status);
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| 102 | if (RT_SUCCESS(rc))
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| 103 | {
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| 104 | if ( Status.enmReason == RTPROCEXITREASON_NORMAL
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| 105 | && Status.iStatus == 42)
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| 106 | RTPrintf("tstRTWait: Success!\n");
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| 107 | else
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| 108 | {
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| 109 | rc = VERR_GENERAL_FAILURE;
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| 110 | if (Status.enmReason != RTPROCEXITREASON_NORMAL)
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| 111 | RTPrintf("tstRTWait: Expected exit reason RTPROCEXITREASON_NORMAL, got %d.\n", Status.enmReason);
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| 112 | else
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| 113 | RTPrintf("tstRTWait: Expected exit status 42, got %d.\n", Status.iStatus);
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| 114 | }
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| 115 | }
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| 116 | else
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| 117 | RTPrintf("tstRTWait: RTProcWait failed with rc=%Rrc!\n", rc);
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| 118 | }
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| 119 | else
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| 120 | RTPrintf("tstRTWait: RTThreadWait or SpawnerThread failed with rc=%Rrc!\n", rc);
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| 121 | }
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| 122 | else
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| 123 | RTPrintf("tstRTWait: RTThreadCreate failed with rc=%Rrc!\n", rc);
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| 124 |
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| 125 | /*
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| 126 | * Check signal names while we're here (excuse: relevant to reporting wait results).
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| 127 | */
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| 128 | for (int iSig = 0; iSig < 256; iSig++)
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| 129 | {
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| 130 | const char *pszSig = RTProcSignalName(iSig);
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| 131 | if (!RTStrStartsWith(pszSig, "SIG") || pszSig[3] == '\0')
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| 132 | {
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| 133 | RTPrintf("tstWait: error: RTProcSignalName(%d) -> '%s'\n", iSig, pszSig);
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| 134 | rc = -1;
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| 135 | }
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| 136 | }
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| 137 |
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| 138 | return RT_SUCCESS(rc) ? 0 : 1;
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| 139 | }
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