diff options
Diffstat (limited to 'libjava/gnu/java/nio/channels/natFileChannelEcos.cc')
-rw-r--r-- | libjava/gnu/java/nio/channels/natFileChannelEcos.cc | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/libjava/gnu/java/nio/channels/natFileChannelEcos.cc b/libjava/gnu/java/nio/channels/natFileChannelEcos.cc new file mode 100644 index 00000000000..66713079a86 --- /dev/null +++ b/libjava/gnu/java/nio/channels/natFileChannelEcos.cc @@ -0,0 +1,159 @@ +// natFileDescriptor.cc - Native part of FileDescriptor class. + +/* Copyright (C) 1998, 1999, 2001, 2002 Free Software Foundation + + This file is part of libgcj. + +This software is copyrighted work licensed under the terms of the +Libgcj License. Please consult the file "LIBGCJ_LICENSE" for +details. */ + +#include <config.h> + +#include <errno.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/param.h> + +#include <gcj/cni.h> +#include <jvm.h> +#include <java/io/FileDescriptor.h> +#include <java/io/SyncFailedException.h> +#include <java/io/IOException.h> +#include <java/io/EOFException.h> +#include <java/lang/ArrayIndexOutOfBoundsException.h> +#include <java/lang/NullPointerException.h> +#include <java/lang/String.h> +#include <java/io/FileNotFoundException.h> + +extern "C" void diag_write_char (char c); + +static void +diag_write (char *data, int len) +{ + while (len > 0) + { + diag_write_char (*data++); + len--; + } +} + +#define NO_FSYNC_MESSAGE "sync unsupported" + +void +java::io::FileDescriptor::init(void) +{ + in = new java::io::FileDescriptor(0); + out = new java::io::FileDescriptor(1); + err = new java::io::FileDescriptor(2); +} + +jboolean +java::io::FileDescriptor::valid (void) +{ + return true; +} + +void +java::io::FileDescriptor::sync (void) +{ + // Some files don't support fsync. We don't bother reporting these + // as errors. +#ifdef HAVE_FSYNC +#else + throw new SyncFailedException (JvNewStringLatin1 (NO_FSYNC_MESSAGE)); +#endif +} + +jint +java::io::FileDescriptor::open (jstring path, jint jflags) +{ + return fd; +} + +void +java::io::FileDescriptor::write (jint b) +{ + char d = (char) b; + ::diag_write (&d, 1); +} + +void +java::io::FileDescriptor::write (jbyteArray b, jint offset, jint len) +{ + if (! b) + throw new java::lang::NullPointerException; + if (offset < 0 || len < 0 || offset + len > JvGetArrayLength (b)) + throw new java::lang::ArrayIndexOutOfBoundsException; + char *bytes = (char *)elements (b) + offset; + ::diag_write (bytes, len); +} + +void +java::io::FileDescriptor::close (void) +{ +} + +void +java::io::FileDescriptor::setLength (long) +{ +} + +jint +java::io::FileDescriptor::seek (jlong pos, jint whence, jboolean) +{ + JvAssert (whence == SET || whence == CUR); + return 0; +} + +jlong +java::io::FileDescriptor::getLength (void) +{ + return 0; +} + +jlong +java::io::FileDescriptor::getFilePointer (void) +{ + return 0; +} + +jint +java::io::FileDescriptor::read (void) +{ + return 0; +} + +jint +java::io::FileDescriptor::read (jbyteArray buffer, jint offset, jint count) +{ + return 0; +} + +jint +java::io::FileDescriptor::available (void) +{ + return 0; +} + +void +java::io::FileDescriptor::lock (jlong pos, jint len, jboolean shared) +{ + throw new IOException (JvNewStringLatin1 + ("java.io.FileDescriptor.lock() not implemented")); +} + +jboolean +java::io::FileDescriptor::tryLock (jlong pos, jint len, jboolean shared) +{ + throw new IOException (JvNewStringLatin1 + ("java.io.FileDescriptor.tryLock() not implemented")); +} + +void +java::io::FileDescriptor::unlock (jlong pos, jint len) +{ + throw new IOException (JvNewStringLatin1 + ("java.io.FileDescriptor.unlock() not implemented")); +} |