| 1 | // natWin32Process.cc - Native side of Win32 process code.
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| 2 |
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| 3 | /* Copyright (C) 2003 Free Software Foundation
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| 4 |
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| 5 | This file is part of libgcj.
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| 6 |
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| 7 | This software is copyrighted work licensed under the terms of the
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| 8 | Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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| 9 | details. */
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| 10 |
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| 11 | #include <config.h>
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| 12 |
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| 13 | #include <stdio.h>
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| 14 |
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| 15 | #define WIN32_LEAN_AND_MEAN
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| 16 | #include <windows.h>
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| 17 |
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| 18 | // Conflicts with the definition in "java/lang/reflect/Modifier.h"
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| 19 | #undef STRICT
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| 20 |
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| 21 | #include <gcj/cni.h>
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| 22 | #include <jvm.h>
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| 23 |
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| 24 | #include <java/lang/ConcreteProcess.h>
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| 25 | #include <java/lang/IllegalThreadStateException.h>
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| 26 | #include <java/lang/InterruptedException.h>
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| 27 | #include <java/lang/NullPointerException.h>
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| 28 | #include <java/lang/Thread.h>
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| 29 | #include <java/io/File.h>
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| 30 | #include <java/io/FileDescriptor.h>
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| 31 | #include <java/io/FileInputStream.h>
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| 32 | #include <java/io/FileOutputStream.h>
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| 33 | #include <java/io/IOException.h>
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| 34 | #include <java/lang/OutOfMemoryError.h>
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| 35 |
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| 36 | void
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| 37 | java::lang::ConcreteProcess::cleanup (void)
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| 38 | {
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| 39 | if (inputStream != NULL)
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| 40 | {
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| 41 | inputStream->close ();
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| 42 | inputStream = NULL;
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| 43 | }
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| 44 |
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| 45 | if (outputStream != NULL)
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| 46 | {
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| 47 | outputStream->close ();
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| 48 | outputStream = NULL;
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| 49 | }
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| 50 |
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| 51 | if (errorStream != NULL)
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| 52 | {
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| 53 | errorStream->close ();
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| 54 | errorStream = NULL;
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| 55 | }
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| 56 | }
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| 57 |
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| 58 | void
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| 59 | java::lang::ConcreteProcess::destroy (void)
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| 60 | {
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| 61 | if (! hasExited ())
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| 62 | {
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| 63 | // Kill it forcibly and assign an (arbitrary) exit code of 0.
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| 64 | TerminateProcess ((HANDLE) procHandle, 0);
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| 65 | exitCode = 0;
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| 66 |
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| 67 | cleanup ();
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | jboolean
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| 72 | java::lang::ConcreteProcess::hasExited (void)
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| 73 | {
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| 74 | DWORD exitStatus;
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| 75 |
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| 76 | if (GetExitCodeProcess ((HANDLE) procHandle, &exitStatus) != 0)
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| 77 | {
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| 78 | // NOTE: STILL_ACTIVE is defined as "259" by Win32 - if the
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| 79 | // child actually exits with this return code, we have a
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| 80 | // problem here. See MSDN documentation on GetExitCodeProcess( ).
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| 81 |
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| 82 | if (exitStatus == STILL_ACTIVE)
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| 83 | return false;
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| 84 | else
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| 85 | {
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| 86 | cleanup ();
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| 87 | exitCode = exitStatus;
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| 88 | return true;
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| 89 | }
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| 90 | }
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| 91 | else
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| 92 | return true;
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| 93 | }
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| 94 |
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| 95 | jint
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| 96 | java::lang::ConcreteProcess::waitFor (void)
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| 97 | {
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| 98 | if (! hasExited ())
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| 99 | {
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| 100 | DWORD exitStatus = 0UL;
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| 101 |
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| 102 | // FIXME: The wait should be interruptible.
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| 103 | WaitForSingleObject ((HANDLE) procHandle, INFINITE);
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| 104 |
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| 105 | GetExitCodeProcess ((HANDLE) procHandle, &exitStatus);
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| 106 | exitCode = exitStatus;
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| 107 |
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| 108 | cleanup ();
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| 109 | }
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| 110 |
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| 111 | return exitCode;
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| 112 | }
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| 113 |
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| 114 | static char *
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| 115 | new_string (jstring string)
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| 116 | {
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| 117 | jsize s = _Jv_GetStringUTFLength (string);
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