author | alanb |
Wed, 30 Nov 2011 10:57:51 +0000 | |
changeset 11116 | 3e486ce0019d |
parent 7668 | d4a77089c587 |
child 14342 | 8435a30053c1 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
7668 | 2 |
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 10 |
* |
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
5506 | 21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
2 | 24 |
*/ |
25 |
||
26 |
#include "jni.h" |
|
27 |
#include "jni_util.h" |
|
28 |
||
29 |
/* |
|
30 |
* Prototypes for functions in io_util_md.c called from io_util, |
|
31 |
* FileDescriptor.c, FileInputStream.c, FileOutputStream.c |
|
32 |
*/ |
|
33 |
WCHAR* pathToNTPath(JNIEnv *env, jstring path, jboolean throwFNFE); |
|
34 |
WCHAR* fileToNTPath(JNIEnv *env, jobject file, jfieldID id); |
|
35 |
WCHAR* getPrefixed(const WCHAR* path, int pathlen); |
|
6885
5605d7d60c9c
6983520: java/io/pathNames/GeneralWin32.java fails with jdk7-b108 (win)
alanb
parents:
5506
diff
changeset
|
36 |
WCHAR* currentDir(int di); |
2 | 37 |
int currentDirLength(const WCHAR* path, int pathlen); |
38 |
void fileOpen(JNIEnv *env, jobject this, jstring path, jfieldID fid, int flags); |
|
39 |
int handleAvailable(jlong fd, jlong *pbytes); |
|
40 |
JNIEXPORT int handleSync(jlong fd); |
|
41 |
int handleSetLength(jlong fd, jlong length); |
|
11116
3e486ce0019d
7030624: size_t usages in src/windows/native/java/io/io_util_md.c need to be re-visited
alanb
parents:
7668
diff
changeset
|
42 |
JNIEXPORT jint handleRead(jlong fd, void *buf, jint len); |
3e486ce0019d
7030624: size_t usages in src/windows/native/java/io/io_util_md.c need to be re-visited
alanb
parents:
7668
diff
changeset
|
43 |
JNIEXPORT jint handleWrite(jlong fd, const void *buf, jint len); |
3e486ce0019d
7030624: size_t usages in src/windows/native/java/io/io_util_md.c need to be re-visited
alanb
parents:
7668
diff
changeset
|
44 |
JNIEXPORT jint handleAppend(jlong fd, const void *buf, jint len); |
2 | 45 |
jint handleClose(JNIEnv *env, jobject this, jfieldID fid); |
46 |
jlong handleLseek(jlong fd, jlong offset, jint whence); |
|
47 |
||
48 |
/* |
|
49 |
* Returns an opaque handle to file named by "path". If an error occurs, |
|
50 |
* returns -1 and an exception is pending. |
|
51 |
*/ |
|
52 |
jlong winFileHandleOpen(JNIEnv *env, jstring path, int flags); |
|
53 |
||
54 |
/* |
|
55 |
* Macros to use the right data type for file descriptors |
|
56 |
*/ |
|
57 |
#define FD jlong |
|
58 |
||
59 |
/* |
|
60 |
* Macros to set/get fd from the java.io.FileDescriptor. |
|
61 |
* If GetObjectField returns null, SET_FD will stop and GET_FD |
|
62 |
* will simply return -1 to avoid crashing VM. |
|
63 |
*/ |
|
64 |
#define SET_FD(this, fd, fid) \ |
|
65 |
if ((*env)->GetObjectField(env, (this), (fid)) != NULL) \ |
|
66 |
(*env)->SetLongField(env, (*env)->GetObjectField(env, (this), (fid)), IO_handle_fdID, (fd)) |
|
67 |
||
68 |
#define GET_FD(this, fid) \ |
|
69 |
((*env)->GetObjectField(env, (this), (fid)) == NULL) ? \ |
|
70 |
-1 : (*env)->GetLongField(env, (*env)->GetObjectField(env, (this), (fid)), IO_handle_fdID) |
|
71 |
||
72 |
/* |
|
73 |
* Macros to set/get fd when inside java.io.FileDescriptor |
|
74 |
*/ |
|
75 |
#define THIS_FD(obj) (*env)->GetLongField(env, obj, IO_handle_fdID) |
|
76 |
||
77 |
/* |
|
7515
43202796198e
6709457: (fc) lock/tryLock() throws IOException "Access is denied" when file opened for append [win]
alanb
parents:
6885
diff
changeset
|
78 |
* Route the routines away from VM |
2 | 79 |
*/ |
7515
43202796198e
6709457: (fc) lock/tryLock() throws IOException "Access is denied" when file opened for append [win]
alanb
parents:
6885
diff
changeset
|
80 |
#define IO_Append handleAppend |
2 | 81 |
#define IO_Write handleWrite |
82 |
#define IO_Sync handleSync |
|
83 |
#define IO_Read handleRead |
|
84 |
#define IO_Lseek handleLseek |
|
85 |
#define IO_Available handleAvailable |
|
86 |
#define IO_SetLength handleSetLength |
|
87 |
||
88 |
/* |
|
89 |
* Setting the handle field in Java_java_io_FileDescriptor_set for |
|
90 |
* standard handles stdIn, stdOut, stdErr |
|
91 |
*/ |
|
92 |
#define SET_HANDLE(fd) \ |
|
93 |
if (fd == 0) { \ |
|
94 |
return (jlong)GetStdHandle(STD_INPUT_HANDLE); \ |
|
95 |
} else if (fd == 1) { \ |
|
96 |
return (jlong)GetStdHandle(STD_OUTPUT_HANDLE); \ |
|
97 |
} else if (fd == 2) { \ |
|
98 |
return (jlong)GetStdHandle(STD_ERROR_HANDLE); \ |
|
99 |
} else { \ |
|
100 |
return (jlong)-1; \ |
|
101 |
} \ |
|
102 |
||
103 |
/* INVALID_FILE_ATTRIBUTES is not defined in VC++6.0's header files but |
|
104 |
* in later release. Keep here just in case someone is still using VC++6.0 |
|
105 |
*/ |
|
106 |
#ifndef INVALID_FILE_ATTRIBUTES |
|
107 |
#define INVALID_FILE_ATTRIBUTES ((DWORD)-1) |
|
108 |
#endif |