class sun.nio.ch.FileDispatcherImpl extends sun.nio.ch.FileDispatcher
minor version: 0
major version: 59
flags: flags: (0x0020) ACC_SUPER
this_class: sun.nio.ch.FileDispatcherImpl
super_class: sun.nio.ch.FileDispatcher
{
private static final jdk.internal.access.JavaIOFileDescriptorAccess fdAccess;
descriptor: Ljdk/internal/access/JavaIOFileDescriptorAccess;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: invokestatic sun.nio.ch.IOUtil.load:()V
1: invokestatic sun.nio.ch.FileDispatcherImpl.init:()V
2: invokestatic jdk.internal.access.SharedSecrets.getJavaIOFileDescriptorAccess:()Ljdk/internal/access/JavaIOFileDescriptorAccess;
3: putstatic sun.nio.ch.FileDispatcherImpl.fdAccess:Ljdk/internal/access/JavaIOFileDescriptorAccess;
4: return
LocalVariableTable:
Start End Slot Name Signature
void <init>();
descriptor: ()V
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial sun.nio.ch.FileDispatcher.<init>:()V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lsun/nio/ch/FileDispatcherImpl;
int read(java.io.FileDescriptor, long, int);
descriptor: (Ljava/io/FileDescriptor;JI)I
flags: (0x0000)
Code:
stack=4, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 4 0: aload 1
lload 2
iload 4
invokestatic sun.nio.ch.FileDispatcherImpl.read0:(Ljava/io/FileDescriptor;JI)I
ireturn
end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 address J
0 1 4 len I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
int pread(java.io.FileDescriptor, long, int, long);
descriptor: (Ljava/io/FileDescriptor;JIJ)I
flags: (0x0000)
Code:
stack=6, locals=7, args_size=5
start local 0 start local 1 start local 2 start local 4 start local 5 0: aload 1
lload 2
iload 4
lload 5
invokestatic sun.nio.ch.FileDispatcherImpl.pread0:(Ljava/io/FileDescriptor;JIJ)I
ireturn
end local 5 end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 address J
0 1 4 len I
0 1 5 position J
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
position
long readv(java.io.FileDescriptor, long, int);
descriptor: (Ljava/io/FileDescriptor;JI)J
flags: (0x0000)
Code:
stack=4, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 4 0: aload 1
lload 2
iload 4
invokestatic sun.nio.ch.FileDispatcherImpl.readv0:(Ljava/io/FileDescriptor;JI)J
lreturn
end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 address J
0 1 4 len I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
int write(java.io.FileDescriptor, long, int);
descriptor: (Ljava/io/FileDescriptor;JI)I
flags: (0x0000)
Code:
stack=4, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 4 0: aload 1
lload 2
iload 4
invokestatic sun.nio.ch.FileDispatcherImpl.write0:(Ljava/io/FileDescriptor;JI)I
ireturn
end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 address J
0 1 4 len I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
int pwrite(java.io.FileDescriptor, long, int, long);
descriptor: (Ljava/io/FileDescriptor;JIJ)I
flags: (0x0000)
Code:
stack=6, locals=7, args_size=5
start local 0 start local 1 start local 2 start local 4 start local 5 0: aload 1
lload 2
iload 4
lload 5
invokestatic sun.nio.ch.FileDispatcherImpl.pwrite0:(Ljava/io/FileDescriptor;JIJ)I
ireturn
end local 5 end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 address J
0 1 4 len I
0 1 5 position J
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
position
long writev(java.io.FileDescriptor, long, int);
descriptor: (Ljava/io/FileDescriptor;JI)J
flags: (0x0000)
Code:
stack=4, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 4 0: aload 1
lload 2
iload 4
invokestatic sun.nio.ch.FileDispatcherImpl.writev0:(Ljava/io/FileDescriptor;JI)J
lreturn
end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 address J
0 1 4 len I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
long seek(java.io.FileDescriptor, long);
descriptor: (Ljava/io/FileDescriptor;J)J
flags: (0x0000)
Code:
stack=3, locals=4, args_size=3
start local 0 start local 1 start local 2 0: aload 1
lload 2
invokestatic sun.nio.ch.FileDispatcherImpl.seek0:(Ljava/io/FileDescriptor;J)J
lreturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 offset J
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
offset
int force(java.io.FileDescriptor, boolean);
descriptor: (Ljava/io/FileDescriptor;Z)I
flags: (0x0000)
Code:
stack=2, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 1
iload 2
invokestatic sun.nio.ch.FileDispatcherImpl.force0:(Ljava/io/FileDescriptor;Z)I
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 metaData Z
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
metaData
int truncate(java.io.FileDescriptor, long);
descriptor: (Ljava/io/FileDescriptor;J)I
flags: (0x0000)
Code:
stack=3, locals=4, args_size=3
start local 0 start local 1 start local 2 0: aload 1
lload 2
invokestatic sun.nio.ch.FileDispatcherImpl.truncate0:(Ljava/io/FileDescriptor;J)I
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 size J
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
size
long size(java.io.FileDescriptor);
descriptor: (Ljava/io/FileDescriptor;)J
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 1
invokestatic sun.nio.ch.FileDispatcherImpl.size0:(Ljava/io/FileDescriptor;)J
lreturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
int lock(java.io.FileDescriptor, boolean, long, long, boolean);
descriptor: (Ljava/io/FileDescriptor;ZJJZ)I
flags: (0x0000)
Code:
stack=7, locals=8, args_size=6
start local 0 start local 1 start local 2 start local 3 start local 5 start local 7 0: aload 1
iload 2
lload 3
lload 5
iload 7
invokestatic sun.nio.ch.FileDispatcherImpl.lock0:(Ljava/io/FileDescriptor;ZJJZ)I
ireturn
end local 7 end local 5 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
0 1 2 blocking Z
0 1 3 pos J
0 1 5 size J
0 1 7 shared Z
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
blocking
pos
size
shared
void release(java.io.FileDescriptor, long, long);
descriptor: (Ljava/io/FileDescriptor;JJ)V
flags: (0x0000)
Code:
stack=5, locals=6, args_size=4
start local 0 start local 1 start local 2 start local 4 0: aload 1
lload 2
lload 4
invokestatic sun.nio.ch.FileDispatcherImpl.release0:(Ljava/io/FileDescriptor;JJ)V
1: return
end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lsun/nio/ch/FileDispatcherImpl;
0 2 1 fd Ljava/io/FileDescriptor;
0 2 2 pos J
0 2 4 size J
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
pos
size
void close(java.io.FileDescriptor);
descriptor: (Ljava/io/FileDescriptor;)V
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: getstatic sun.nio.ch.FileDispatcherImpl.fdAccess:Ljdk/internal/access/JavaIOFileDescriptorAccess;
aload 1
invokeinterface jdk.internal.access.JavaIOFileDescriptorAccess.close:(Ljava/io/FileDescriptor;)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lsun/nio/ch/FileDispatcherImpl;
0 2 1 fd Ljava/io/FileDescriptor;
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
void preClose(java.io.FileDescriptor);
descriptor: (Ljava/io/FileDescriptor;)V
flags: (0x0000)
Code:
stack=1, locals=2, args_size=2
start local 0 start local 1 0: aload 1
invokestatic sun.nio.ch.FileDispatcherImpl.preClose0:(Ljava/io/FileDescriptor;)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lsun/nio/ch/FileDispatcherImpl;
0 2 1 fd Ljava/io/FileDescriptor;
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
java.io.FileDescriptor duplicateForMapping(java.io.FileDescriptor);
descriptor: (Ljava/io/FileDescriptor;)Ljava/io/FileDescriptor;
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: new java.io.FileDescriptor
dup
invokespecial java.io.FileDescriptor.<init>:()V
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 fd Ljava/io/FileDescriptor;
MethodParameters:
Name Flags
fd
boolean canTransferToDirectly(java.nio.channels.SelectableChannel);
descriptor: (Ljava/nio/channels/SelectableChannel;)Z
flags: (0x0000)
Code:
stack=1, locals=2, args_size=2
start local 0 start local 1 0: iconst_1
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
0 1 1 sc Ljava/nio/channels/SelectableChannel;
MethodParameters:
Name Flags
sc
boolean transferToDirectlyNeedsPositionLock();
descriptor: ()Z
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: iconst_0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lsun/nio/ch/FileDispatcherImpl;
int setDirectIO(java.io.FileDescriptor, java.lang.String);
descriptor: (Ljava/io/FileDescriptor;Ljava/lang/String;)I
flags: (0x0000)
Code:
stack=4, locals=5, args_size=3
start local 0 start local 1 start local 2 0: iconst_m1
istore 3
start local 3 1: aload 1
invokestatic sun.nio.ch.FileDispatcherImpl.setDirect0:(Ljava/io/FileDescriptor;)I
istore 3
2: goto 7
StackMap locals: sun.nio.ch.FileDispatcherImpl java.io.FileDescriptor java.lang.String int
StackMap stack: java.io.IOException
3: astore 4
start local 4 4: new java.lang.UnsupportedOperationException
dup
5: ldc "Error setting up DirectIO"
aload 4
6: invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
athrow
end local 4 7: StackMap locals:
StackMap stack:
iload 3
ireturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lsun/nio/ch/FileDispatcherImpl;
0 8 1 fd Ljava/io/FileDescriptor;
0 8 2 path Ljava/lang/String;
1 8 3 result I
4 7 4 e Ljava/io/IOException;
Exception table:
from to target type
1 2 3 Class java.io.IOException
MethodParameters:
Name Flags
fd
path
static native int read0(java.io.FileDescriptor, long, int);
descriptor: (Ljava/io/FileDescriptor;JI)I
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
static native int pread0(java.io.FileDescriptor, long, int, long);
descriptor: (Ljava/io/FileDescriptor;JIJ)I
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
position
static native long readv0(java.io.FileDescriptor, long, int);
descriptor: (Ljava/io/FileDescriptor;JI)J
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
static native int write0(java.io.FileDescriptor, long, int);
descriptor: (Ljava/io/FileDescriptor;JI)I
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
static native int pwrite0(java.io.FileDescriptor, long, int, long);
descriptor: (Ljava/io/FileDescriptor;JIJ)I
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
position
static native long writev0(java.io.FileDescriptor, long, int);
descriptor: (Ljava/io/FileDescriptor;JI)J
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
address
len
static native int force0(java.io.FileDescriptor, boolean);
descriptor: (Ljava/io/FileDescriptor;Z)I
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
metaData
static native long seek0(java.io.FileDescriptor, long);
descriptor: (Ljava/io/FileDescriptor;J)J
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
offset
static native int truncate0(java.io.FileDescriptor, long);
descriptor: (Ljava/io/FileDescriptor;J)I
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
size
static native long size0(java.io.FileDescriptor);
descriptor: (Ljava/io/FileDescriptor;)J
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
static native int lock0(java.io.FileDescriptor, boolean, long, long, boolean);
descriptor: (Ljava/io/FileDescriptor;ZJJZ)I
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
blocking
pos
size
shared
static native void release0(java.io.FileDescriptor, long, long);
descriptor: (Ljava/io/FileDescriptor;JJ)V
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
pos
size
static native void close0(java.io.FileDescriptor);
descriptor: (Ljava/io/FileDescriptor;)V
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
static native void preClose0(java.io.FileDescriptor);
descriptor: (Ljava/io/FileDescriptor;)V
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
static native void closeIntFD(int);
descriptor: (I)V
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
static native int setDirect0(java.io.FileDescriptor);
descriptor: (Ljava/io/FileDescriptor;)I
flags: (0x0108) ACC_STATIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
fd
static native void init();
descriptor: ()V
flags: (0x0108) ACC_STATIC, ACC_NATIVE
}
SourceFile: "FileDispatcherImpl.java"