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XrdPosixLinkage.hh
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1#ifndef _XRDPOSIXLINKAGE_H_
2#define _XRDPOSIXLINKAGE_H_
3/******************************************************************************/
4/* */
5/* X r d P o s i x L i n k a g e . h h */
6/* */
7/* (c) 2005 by the Board of Trustees of the Leland Stanford, Jr., University */
8/* All Rights Reserved */
9/* Produced by Andrew Hanushevsky for Stanford University under contract */
10/* DE-AC02-76-SFO0515 with the Department of Energy */
11/* */
12/* This file is part of the XRootD software suite. */
13/* */
14/* XRootD is free software: you can redistribute it and/or modify it under */
15/* the terms of the GNU Lesser General Public License as published by the */
16/* Free Software Foundation, either version 3 of the License, or (at your */
17/* option) any later version. */
18/* */
19/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
20/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
21/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
22/* License for more details. */
23/* */
24/* You should have received a copy of the GNU Lesser General Public License */
25/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
26/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
27/* */
28/* The copyright holder's institutional names and contributor's names may not */
29/* be used to endorse or promote products derived from this software without */
30/* specific prior written permission of the institution or contributor. */
31/******************************************************************************/
32
33#include <sys/types.h>
34#include <sys/stat.h>
35#include <sys/statvfs.h>
36#include <dirent.h>
37#include <cerrno>
38#include <fcntl.h>
39#include <cstdio>
40#include <unistd.h>
41
45
46/******************************************************************************/
47/* Posix Symbols vs Return Valus and Arguments */
48/******************************************************************************/
49
50//#ifdef __linux__
51//#define UNIX_PFX "__"
52//#else
53#define UNIX_PFX
54//#endif
55
56#define Symb_Access UNIX_PFX "access"
57#define Retv_Access int
58#define Args_Access const char *path, int amode
59
60#define Symb_Acl UNIX_PFX "acl"
61#define Retv_Acl int
62#define Args_Acl const char *, int, int, void *
63
64#define Symb_Chdir UNIX_PFX "chdir"
65#define Retv_Chdir int
66#define Args_Chdir const char *path
67
68#define Symb_Close UNIX_PFX "close"
69#define Retv_Close int
70#define Args_Close int
71
72#define Symb_Closedir UNIX_PFX "closedir"
73#define Retv_Closedir int
74#define Args_Closedir DIR *
75
76#define Symb_Fclose UNIX_PFX "fclose"
77#define Retv_Fclose int
78#define Args_Fclose FILE *
79
80#define Symb_Fcntl UNIX_PFX "fcntl"
81#define Retv_Fcntl int
82#define Args_Fcntl int, int, ...
83
84#ifdef __APPLE__
85#define Symb_Fcntl64 UNIX_PFX "fcntl"
86#define Retv_Fcntl64 int
87#define Args_Fcntl64 int, int, ...
88#else
89#define Symb_Fcntl64 UNIX_PFX "fcntl64"
90#define Retv_Fcntl64 int
91#define Args_Fcntl64 int, int, ...
92#endif
93
94#define Symb_Fdatasync UNIX_PFX "fdatasync"
95#define Retv_Fdatasync int
96#define Args_Fdatasync int
97
98#define Symb_Fflush UNIX_PFX "fflush"
99#define Retv_Fflush int
100#define Args_Fflush FILE *
101
102#define Symb_Fopen UNIX_PFX "fopen"
103#define Retv_Fopen FILE *
104#define Args_Fopen const char *, const char *
105
106#ifdef __APPLE__
107#define Symb_Fopen64 UNIX_PFX "fopen"
108#define Retv_Fopen64 FILE *
109#define Args_Fopen64 const char *, const char *
110#else
111#define Symb_Fopen64 UNIX_PFX "fopen64"
112#define Retv_Fopen64 FILE *
113#define Args_Fopen64 const char *, const char *
114#endif
115
116#define Symb_Fread UNIX_PFX "fread"
117#define Retv_Fread size_t
118#define Args_Fread void *, size_t, size_t, FILE *
119
120#define Symb_Fseek UNIX_PFX "fseek"
121#define Retv_Fseek int
122#define Args_Fseek FILE *, long, int
123
124#define Symb_Fseeko UNIX_PFX "fseeko"
125#define Retv_Fseeko int
126#define Args_Fseeko FILE *, off_t, int
127
128#ifdef __APPLE__
129#define Symb_Fseeko64 UNIX_PFX "fseeko"
130#define Retv_Fseeko64 int
131#define Args_Fseeko64 FILE *, off64_t, int
132#else
133#define Symb_Fseeko64 UNIX_PFX "fseeko64"
134#define Retv_Fseeko64 int
135#define Args_Fseeko64 FILE *, off64_t, int
136#endif
137
138#if defined(__linux__) and defined(_STAT_VER)
139#define Symb_Fstat UNIX_PFX "__fxstat"
140#define Retv_Fstat int
141#define Args_Fstat int, int, struct stat *
142#else
143#define Symb_Fstat UNIX_PFX "fstat"
144#define Retv_Fstat int
145#define Args_Fstat int, struct stat *
146#endif
147
148#if defined(__linux__) and defined(_STAT_VER)
149#define Symb_Fstat64 UNIX_PFX "__fxstat64"
150#define Retv_Fstat64 int
151#define Args_Fstat64 int, int, struct stat64 *
152#else
153#ifdef __APPLE__
154#define Symb_Fstat64 UNIX_PFX "fstat"
155#define Retv_Fstat64 int
156#define Args_Fstat64 int, struct stat64 *
157#else
158#define Symb_Fstat64 UNIX_PFX "fstat64"
159#define Retv_Fstat64 int
160#define Args_Fstat64 int, struct stat64 *
161#endif
162#endif
163
164#define Symb_Fsync UNIX_PFX "fsync"
165#define Retv_Fsync int
166#define Args_Fsync int
167
168#define Symb_Ftell UNIX_PFX "ftell"
169#define Retv_Ftell long
170#define Args_Ftell FILE *
171
172#define Symb_Ftello UNIX_PFX "ftello"
173#define Retv_Ftello off_t
174#define Args_Ftello FILE *
175
176#ifdef __APPLE__
177#define Symb_Ftello64 UNIX_PFX "ftello"
178#define Retv_Ftello64 off64_t
179#define Args_Ftello64 FILE *
180#else
181#define Symb_Ftello64 UNIX_PFX "ftello64"
182#define Retv_Ftello64 off64_t
183#define Args_Ftello64 FILE *
184#endif
185
186#define Symb_Ftruncate UNIX_PFX "ftruncate"
187#define Retv_Ftruncate int
188#define Args_Ftruncate int, off_t
189
190#ifdef __APPLE__
191#define Symb_Ftruncate64 UNIX_PFX "ftruncate"
192#define Retv_Ftruncate64 int
193#define Args_Ftruncate64 int, off64_t
194#else
195#define Symb_Ftruncate64 UNIX_PFX "ftruncate64"
196#define Retv_Ftruncate64 int
197#define Args_Ftruncate64 int, off64_t
198#endif
199
200#define Symb_Fwrite UNIX_PFX "fwrite"
201#define Retv_Fwrite int
202#define Args_Fwrite const void *, size_t, size_t, FILE *
203
204#define Symb_Fgetxattr UNIX_PFX "fgetxattr"
205#define Retv_Fgetxattr ssize_t
206#define Args_Fgetxattr int, const char *, const void *, size_t
207
208#define Symb_Getxattr UNIX_PFX "getxattr"
209#define Retv_Getxattr ssize_t
210#define Args_Getxattr const char *, const char *, const void *, size_t
211
212#define Symb_Lgetxattr UNIX_PFX "lgetxattr"
213#define Retv_Lgetxattr ssize_t
214#define Args_Lgetxattr const char *, const char *, const void *, size_t
215
216#define Symb_Lseek UNIX_PFX "lseek"
217#define Retv_Lseek off_t
218#define Args_Lseek int, off_t, int
219
220#ifdef __APPLE__
221#define Symb_Lseek64 UNIX_PFX "lseek"
222#define Retv_Lseek64 off64_t
223#define Args_Lseek64 int, off64_t, int
224#else
225#define Symb_Lseek64 UNIX_PFX "lseek64"
226#define Retv_Lseek64 off64_t
227#define Args_Lseek64 int, off64_t, int
228#endif
229
230#if defined(__linux__) and defined(_STAT_VER)
231#define Symb_Lstat UNIX_PFX "__lxstat"
232#define Retv_Lstat int
233#define Args_Lstat int, const char *, struct stat *
234#else
235#define Symb_Lstat UNIX_PFX "lstat"
236#define Retv_Lstat int
237#define Args_Lstat const char *, struct stat *
238#endif
239
240#if defined(__linux__) and defined(_STAT_VER)
241#define Symb_Lstat64 UNIX_PFX "__lxstat64"
242#define Retv_Lstat64 int
243#define Args_Lstat64 int, const char *, struct stat64 *
244#else
245#ifdef __APPLE__
246#define Symb_Lstat64 UNIX_PFX "lstat"
247#define Retv_Lstat64 int
248#define Args_Lstat64 const char *, struct stat64 *
249#else
250#define Symb_Lstat64 UNIX_PFX "lstat64"
251#define Retv_Lstat64 int
252#define Args_Lstat64 const char *, struct stat64 *
253#endif
254#endif
255
256#define Symb_Mkdir UNIX_PFX "mkdir"
257#define Retv_Mkdir int
258#define Args_Mkdir const char *, mode_t
259
260#define Symb_Open UNIX_PFX "open"
261#define Retv_Open int
262#define Args_Open const char *, int, ...
263
264#ifdef __APPLE__
265#define Symb_Open64 UNIX_PFX "open"
266#define Retv_Open64 int
267#define Args_Open64 const char *, int, ...
268#else
269#define Symb_Open64 UNIX_PFX "open64"
270#define Retv_Open64 int
271#define Args_Open64 const char *, int, ...
272#endif
273
274#define Symb_Opendir UNIX_PFX "opendir"
275#define Retv_Opendir DIR *
276#define Args_Opendir const char *
277
278#define Symb_Pathconf UNIX_PFX "pathconf"
279#define Retv_Pathconf long
280#define Args_Pathconf const char *, int
281
282#define Symb_Pread UNIX_PFX "pread"
283#define Retv_Pread ssize_t
284#define Args_Pread int, void *, size_t, off_t
285
286#ifdef __APPLE__
287#define Symb_Pread64 UNIX_PFX "pread"
288#define Retv_Pread64 ssize_t
289#define Args_Pread64 int, void *, size_t, off64_t
290#else
291#define Symb_Pread64 UNIX_PFX "pread64"
292#define Retv_Pread64 ssize_t
293#define Args_Pread64 int, void *, size_t, off64_t
294#endif
295
296#define Symb_Pwrite UNIX_PFX "pwrite"
297#define Retv_Pwrite ssize_t
298#define Args_Pwrite int, const void *, size_t, off_t
299
300#ifdef __APPLE__
301#define Symb_Pwrite64 UNIX_PFX "pwrite"
302#define Retv_Pwrite64 ssize_t
303#define Args_Pwrite64 int, const void *, size_t, off64_t
304#else
305#define Symb_Pwrite64 UNIX_PFX "pwrite64"
306#define Retv_Pwrite64 ssize_t
307#define Args_Pwrite64 int, const void *, size_t, off64_t
308#endif
309
310#define Symb_Read UNIX_PFX "read"
311#define Retv_Read ssize_t
312#define Args_Read int, void *, size_t
313
314#define Symb_Readv UNIX_PFX "readv"
315#define Retv_Readv ssize_t
316#define Args_Readv int, const struct iovec *, int
317
318#define Symb_Readdir UNIX_PFX "readdir"
319#define Retv_Readdir struct dirent *
320#define Args_Readdir DIR *
321
322#ifdef __APPLE__
323#define Symb_Readdir64 UNIX_PFX "readdir"
324#define Retv_Readdir64 struct dirent *
325#define Args_Readdir64 DIR *
326#else
327#define Symb_Readdir64 UNIX_PFX "readdir64"
328#define Retv_Readdir64 struct dirent64 *
329#define Args_Readdir64 DIR *
330#endif
331
332#define Symb_Readdir_r UNIX_PFX "readdir_r"
333#define Retv_Readdir_r int
334#define Args_Readdir_r DIR *, struct dirent *, struct dirent **
335
336#ifdef __APPLE__
337#define Symb_Readdir64_r UNIX_PFX "readdir_r"
338#define Retv_Readdir64_r int
339#define Args_Readdir64_r DIR *, struct dirent64 *, struct dirent64 **
340#else
341#define Symb_Readdir64_r UNIX_PFX "readdir64_r"
342#define Retv_Readdir64_r int
343#define Args_Readdir64_r DIR *, struct dirent64 *, struct dirent64 **
344#endif
345
346#define Symb_Rename UNIX_PFX "rename"
347#define Retv_Rename int
348#define Args_Rename const char *, const char *
349
350#define Symb_Rewinddir UNIX_PFX "rewinddir"
351#define Retv_Rewinddir void
352#define Args_Rewinddir DIR *
353
354#define Symb_Rmdir UNIX_PFX "rmdir"
355#define Retv_Rmdir int
356#define Args_Rmdir const char *
357
358#define Symb_Seekdir UNIX_PFX "seekdir"
359#define Retv_Seekdir void
360#define Args_Seekdir DIR *, long
361
362#ifdef __linux__
363#define Symb_Stat UNIX_PFX "__xstat"
364#define Retv_Stat int
365#define Args_Stat int, const char *, struct stat *
366#else
367#define Symb_Stat UNIX_PFX "stat"
368#define Retv_Stat int
369#define Args_Stat const char *, struct stat *
370#endif
371
372#if defined(__linux__) and defined(_STAT_VER)
373#define Symb_Stat64 UNIX_PFX "__xstat64"
374#define Retv_Stat64 int
375#define Args_Stat64 int, const char *, struct stat64 *
376#else
377#ifdef __APPLE__
378#define Symb_Stat64 UNIX_PFX "stat"
379#define Retv_Stat64 int
380#define Args_Stat64 const char *, struct stat64 *
381#else
382#define Symb_Stat64 UNIX_PFX "stat64"
383#define Retv_Stat64 int
384#define Args_Stat64 const char *, struct stat64 *
385#endif
386#endif
387
388#define Symb_Statfs UNIX_PFX "statfs"
389#define Retv_Statfs int
390#define Args_Statfs const char *, struct statfs *
391
392#ifdef __APPLE__
393#define Symb_Statfs64 UNIX_PFX "statfs"
394#define Retv_Statfs64 int
395#define Args_Statfs64 const char *, struct statfs64 *
396#else
397#define Symb_Statfs64 UNIX_PFX "statfs64"
398#define Retv_Statfs64 int
399#define Args_Statfs64 const char *, struct statfs64 *
400#endif
401
402#define Symb_Statvfs UNIX_PFX "statvfs"
403#define Retv_Statvfs int
404#define Args_Statvfs const char *, struct statvfs *
405
406#ifdef __APPLE__
407#define Symb_Statvfs64 UNIX_PFX "statvfs"
408#define Retv_Statvfs64 int
409#define Args_Statvfs64 const char *, struct statvfs64 *
410#else
411#define Symb_Statvfs64 UNIX_PFX "statvfs64"
412#define Retv_Statvfs64 int
413#define Args_Statvfs64 const char *, struct statvfs64 *
414#endif
415
416#define Symb_Telldir UNIX_PFX "telldir"
417#define Retv_Telldir long
418#define Args_Telldir DIR *
419
420#define Symb_Truncate UNIX_PFX "truncate"
421#define Retv_Truncate int
422#define Args_Truncate const char *, off_t
423
424#ifdef __APPLE__
425#define Symb_Truncate64 UNIX_PFX "truncate"
426#define Retv_Truncate64 int
427#define Args_Truncate64 const char *, off64_t
428#else
429#define Symb_Truncate64 UNIX_PFX "truncate64"
430#define Retv_Truncate64 int
431#define Args_Truncate64 const char *, off64_t
432#endif
433
434#define Symb_Unlink UNIX_PFX "unlink"
435#define Retv_Unlink int
436#define Args_Unlink const char *
437
438#define Symb_Write UNIX_PFX "write"
439#define Retv_Write ssize_t
440#define Args_Write int, const void *, size_t
441
442#define Symb_Writev UNIX_PFX "writev"
443#define Retv_Writev ssize_t
444#define Args_Writev int, const struct iovec *, int
445
446/******************************************************************************/
447/* C a l l O u t V e c t o r D e f i n i t i o n */
448/******************************************************************************/
449
451{public:
452 int Init(int *X=0) {if (!Done) Done = Resolve(); return 0;}
453
517
518 int Load_Error(const char *epname, int retv=-1);
519
520 XrdPosixLinkage() : Done(0) {Init();}
522
523private:
524int Done;
525void Missing(const char *);
526int Resolve();
527};
528// Warning! This class is meant to be defined as a static object.
529#endif
#define Args_Fseeko64
#define Retv_Truncate
#define Args_Readdir64_r
#define Retv_Telldir
#define Args_Fseeko
#define Args_Pread
#define Retv_Pread64
#define Retv_Fwrite
#define Retv_Lstat
#define Args_Lgetxattr
#define Args_Fcntl64
#define Retv_Truncate64
#define Args_Lstat
#define Args_Fopen64
#define Retv_Fseek
#define Retv_Ftello64
#define Args_Seekdir
#define Retv_Fcntl
#define Args_Read
#define Args_Write
#define Args_Writev
#define Args_Readdir64
#define Args_Telldir
#define Retv_Close
#define Retv_Statvfs64
#define Args_Fcntl
#define Retv_Statfs
#define Retv_Fcntl64
#define Args_Truncate
#define Args_Acl
#define Args_Fopen
#define Retv_Unlink
#define Args_Fseek
#define Retv_Readdir64
#define Args_Closedir
#define Args_Stat64
#define Retv_Statvfs
#define Args_Ftello
#define Args_Fgetxattr
#define Retv_Ftello
#define Args_Access
#define Args_Statfs64
#define Retv_Stat
#define Retv_Getxattr
#define Retv_Write
#define Retv_Closedir
#define Args_Statfs
#define Retv_Fstat64
#define Args_Fread
#define Args_Fsync
#define Args_Stat
#define Retv_Access
#define Retv_Lseek64
#define Retv_Fsync
#define Args_Open
#define Retv_Ftruncate
#define Args_Ftruncate
#define Retv_Fstat
#define Retv_Chdir
#define Retv_Fclose
#define Retv_Lstat64
#define Args_Fstat
#define Retv_Fseeko64
#define Args_Fflush
#define Args_Lstat64
#define Retv_Pread
#define Args_Close
#define Retv_Opendir
#define Retv_Lgetxattr
#define Args_Pwrite64
#define Args_Chdir
#define Args_Pathconf
#define Retv_Fopen64
#define Retv_Readdir64_r
#define Args_Readdir_r
#define Args_Fstat64
#define Retv_Ftell
#define Args_Truncate64
#define Retv_Acl
#define Args_Ftruncate64
#define Retv_Pwrite
#define Args_Fdatasync
#define Retv_Pwrite64
#define Args_Fclose
#define Args_Ftell
#define Args_Rmdir
#define Retv_Mkdir
#define Retv_Seekdir
#define Retv_Rewinddir
#define Args_Readdir
#define Args_Rewinddir
#define Args_Getxattr
#define Retv_Fdatasync
#define Retv_Fflush
#define Retv_Readdir
#define Retv_Fread
#define Retv_Open64
#define Retv_Stat64
#define Retv_Ftruncate64
#define Args_Statvfs
#define Retv_Writev
#define Args_Rename
#define Retv_Rename
#define Retv_Fgetxattr
#define Args_Mkdir
#define Args_Pread64
#define Retv_Fseeko
#define Args_Open64
#define Args_Statvfs64
#define Retv_Statfs64
#define Args_Opendir
#define Retv_Pathconf
#define Retv_Read
#define Retv_Readv
#define Args_Readv
#define Args_Pwrite
#define Args_Ftello64
#define Retv_Readdir_r
#define Retv_Fopen
#define Retv_Lseek
#define Retv_Open
#define Args_Unlink
#define Retv_Rmdir
#define Args_Fwrite
#define Args_Lseek64
#define Args_Lseek
Retv_Opendir(* Opendir)(Args_Opendir)
Retv_Mkdir(* Mkdir)(Args_Mkdir)
Retv_Fcntl(* Fcntl)(Args_Fcntl)
int Init(int *X=0)
Retv_Readdir64(* Readdir64)(Args_Readdir64)
Retv_Fflush(* Fflush)(Args_Fflush)
Retv_Fstat64(* Fstat64)(Args_Fstat64)
Retv_Fclose(* Fclose)(Args_Fclose)
Retv_Fseek(* Fseek)(Args_Fseek)
Retv_Fdatasync(* Fdatasync)(Args_Fdatasync)
Retv_Fwrite(* Fwrite)(Args_Fwrite)
Retv_Acl(* Acl)(Args_Acl)
Retv_Writev(* Writev)(Args_Writev)
Retv_Read(* Read)(Args_Read)
Retv_Stat(* Stat)(Args_Stat)
Retv_Fseeko(* Fseeko)(Args_Fseeko)
Retv_Fsync(* Fsync)(Args_Fsync)
Retv_Rename(* Rename)(Args_Rename)
Retv_Close(* Close)(Args_Close)
Retv_Statfs64(* Statfs64)(Args_Statfs64)
Retv_Statvfs(* Statvfs)(Args_Statvfs)
Retv_Lgetxattr(* Lgetxattr)(Args_Lgetxattr)
Retv_Ftruncate64(* Ftruncate64)(Args_Ftruncate64)
Retv_Lseek(* Lseek)(Args_Lseek)
Retv_Ftello(* Ftello)(Args_Ftello)
Retv_Pread(* Pread)(Args_Pread)
Retv_Rewinddir(* Rewinddir)(Args_Rewinddir)
Retv_Readdir(* Readdir)(Args_Readdir)
Retv_Lseek64(* Lseek64)(Args_Lseek64)
Retv_Statvfs64(* Statvfs64)(Args_Statvfs64)
Retv_Truncate64(* Truncate64)(Args_Truncate64)
Retv_Truncate(* Truncate)(Args_Truncate)
Retv_Ftell(* Ftell)(Args_Ftell)
Retv_Fread(* Fread)(Args_Fread)
Retv_Open64(* Open64)(Args_Open64)
Retv_Fopen64(* Fopen64)(Args_Fopen64)
Retv_Fopen(* Fopen)(Args_Fopen)
Retv_Telldir(* Telldir)(Args_Telldir)
Retv_Fseeko64(* Fseeko64)(Args_Fseeko64)
Retv_Readv(* Readv)(Args_Readv)
Retv_Stat64(* Stat64)(Args_Stat64)
Retv_Statfs(* Statfs)(Args_Statfs)
Retv_Pwrite(* Pwrite)(Args_Pwrite)
Retv_Pread64(* Pread64)(Args_Pread64)
Retv_Readdir64_r(* Readdir64_r)(Args_Readdir64_r)
Retv_Fcntl64(* Fcntl64)(Args_Fcntl64)
Retv_Seekdir(* Seekdir)(Args_Seekdir)
Retv_Lstat64(* Lstat64)(Args_Lstat64)
Retv_Chdir(* Chdir)(Args_Chdir)
Retv_Getxattr(* Getxattr)(Args_Getxattr)
Retv_Open(* Open)(Args_Open)
Retv_Access(* Access)(Args_Access)
Retv_Ftruncate(* Ftruncate)(Args_Ftruncate)
Retv_Closedir(* Closedir)(Args_Closedir)
Retv_Pathconf(* Pathconf)(Args_Pathconf)
Retv_Lstat(* Lstat)(Args_Lstat)
Retv_Write(* Write)(Args_Write)
Retv_Readdir_r(* Readdir_r)(Args_Readdir_r)
Retv_Rmdir(* Rmdir)(Args_Rmdir)
Retv_Fgetxattr(* Fgetxattr)(Args_Fgetxattr)
Retv_Fstat(* Fstat)(Args_Fstat)
Retv_Unlink(* Unlink)(Args_Unlink)
Retv_Pwrite64(* Pwrite64)(Args_Pwrite64)
int Load_Error(const char *epname, int retv=-1)
Retv_Ftello64(* Ftello64)(Args_Ftello64)