XRootD
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 
44 #include "XrdSys/XrdSysPlatform.hh"
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 #define Symb_Fcntl64 UNIX_PFX "fcntl64"
85 #define Retv_Fcntl64 int
86 #define Args_Fcntl64 int, int, ...
87 
88 #define Symb_Fdatasync UNIX_PFX "fdatasync"
89 #define Retv_Fdatasync int
90 #define Args_Fdatasync int
91 
92 #define Symb_Fflush UNIX_PFX "fflush"
93 #define Retv_Fflush int
94 #define Args_Fflush FILE *
95 
96 #define Symb_Fopen UNIX_PFX "fopen"
97 #define Retv_Fopen FILE *
98 #define Args_Fopen const char *, const char *
99 
100 #define Symb_Fopen64 UNIX_PFX "fopen64"
101 #define Retv_Fopen64 FILE *
102 #define Args_Fopen64 const char *, const char *
103 
104 #define Symb_Fread UNIX_PFX "fread"
105 #define Retv_Fread size_t
106 #define Args_Fread void *, size_t, size_t, FILE *
107 
108 #define Symb_Fseek UNIX_PFX "fseek"
109 #define Retv_Fseek int
110 #define Args_Fseek FILE *, long, int
111 
112 #define Symb_Fseeko UNIX_PFX "fseeko"
113 #define Retv_Fseeko int
114 #define Args_Fseeko FILE *, off_t, int
115 
116 #define Symb_Fseeko64 UNIX_PFX "fseeko64"
117 #define Retv_Fseeko64 int
118 #define Args_Fseeko64 FILE *, off64_t, int
119 
120 #if defined(__linux__) and defined(_STAT_VER)
121 #define Symb_Fstat UNIX_PFX "__fxstat"
122 #define Retv_Fstat int
123 #define Args_Fstat int, int, struct stat *
124 #else
125 #define Symb_Fstat UNIX_PFX "fstat"
126 #define Retv_Fstat int
127 #define Args_Fstat int, struct stat *
128 #endif
129 
130 #if defined(__linux__) and defined(_STAT_VER)
131 #define Symb_Fstat64 UNIX_PFX "__fxstat64"
132 #define Retv_Fstat64 int
133 #define Args_Fstat64 int, int, struct stat64 *
134 #else
135 #define Symb_Fstat64 UNIX_PFX "fstat64"
136 #define Retv_Fstat64 int
137 #define Args_Fstat64 int, struct stat64 *
138 #endif
139 
140 #define Symb_Fsync UNIX_PFX "fsync"
141 #define Retv_Fsync int
142 #define Args_Fsync int
143 
144 #define Symb_Ftell UNIX_PFX "ftell"
145 #define Retv_Ftell long
146 #define Args_Ftell FILE *
147 
148 #define Symb_Ftello UNIX_PFX "ftello"
149 #define Retv_Ftello off_t
150 #define Args_Ftello FILE *
151 
152 #define Symb_Ftello64 UNIX_PFX "ftello64"
153 #define Retv_Ftello64 off64_t
154 #define Args_Ftello64 FILE *
155 
156 #define Symb_Ftruncate UNIX_PFX "ftruncate"
157 #define Retv_Ftruncate int
158 #define Args_Ftruncate int, off_t
159 
160 #define Symb_Ftruncate64 UNIX_PFX "ftruncate64"
161 #define Retv_Ftruncate64 int
162 #define Args_Ftruncate64 int, off64_t
163 
164 #define Symb_Fwrite UNIX_PFX "fwrite"
165 #define Retv_Fwrite int
166 #define Args_Fwrite const void *, size_t, size_t, FILE *
167 
168 #define Symb_Fgetxattr UNIX_PFX "fgetxattr"
169 #define Retv_Fgetxattr ssize_t
170 #define Args_Fgetxattr int, const char *, const void *, size_t
171 
172 #define Symb_Getxattr UNIX_PFX "getxattr"
173 #define Retv_Getxattr ssize_t
174 #define Args_Getxattr const char *, const char *, const void *, size_t
175 
176 #define Symb_Lgetxattr UNIX_PFX "lgetxattr"
177 #define Retv_Lgetxattr ssize_t
178 #define Args_Lgetxattr const char *, const char *, const void *, size_t
179 
180 #define Symb_Lseek UNIX_PFX "lseek"
181 #define Retv_Lseek off_t
182 #define Args_Lseek int, off_t, int
183 
184 #define Symb_Lseek64 UNIX_PFX "lseek64"
185 #define Retv_Lseek64 off64_t
186 #define Args_Lseek64 int, off64_t, int
187 
188 #if defined(__linux__) and defined(_STAT_VER)
189 #define Symb_Lstat UNIX_PFX "__lxstat"
190 #define Retv_Lstat int
191 #define Args_Lstat int, const char *, struct stat *
192 #else
193 #define Symb_Lstat UNIX_PFX "lstat"
194 #define Retv_Lstat int
195 #define Args_Lstat const char *, struct stat *
196 #endif
197 
198 #if defined(__linux__) and defined(_STAT_VER)
199 #define Symb_Lstat64 UNIX_PFX "__lxstat64"
200 #define Retv_Lstat64 int
201 #define Args_Lstat64 int, const char *, struct stat64 *
202 #else
203 #define Symb_Lstat64 UNIX_PFX "lstat64"
204 #define Retv_Lstat64 int
205 #define Args_Lstat64 const char *, struct stat64 *
206 #endif
207 
208 #define Symb_Mkdir UNIX_PFX "mkdir"
209 #define Retv_Mkdir int
210 #define Args_Mkdir const char *, mode_t
211 
212 #define Symb_Open UNIX_PFX "open"
213 #define Retv_Open int
214 #define Args_Open const char *, int, ...
215 
216 #define Symb_Open64 UNIX_PFX "open64"
217 #define Retv_Open64 int
218 #define Args_Open64 const char *, int, ...
219 
220 #define Symb_Opendir UNIX_PFX "opendir"
221 #define Retv_Opendir DIR *
222 #define Args_Opendir const char *
223 
224 #define Symb_Pathconf UNIX_PFX "pathconf"
225 #define Retv_Pathconf long
226 #define Args_Pathconf const char *, int
227 
228 #define Symb_Pread UNIX_PFX "pread"
229 #define Retv_Pread ssize_t
230 #define Args_Pread int, void *, size_t, off_t
231 
232 #define Symb_Pread64 UNIX_PFX "pread64"
233 #define Retv_Pread64 ssize_t
234 #define Args_Pread64 int, void *, size_t, off64_t
235 
236 #define Symb_Pwrite UNIX_PFX "pwrite"
237 #define Retv_Pwrite ssize_t
238 #define Args_Pwrite int, const void *, size_t, off_t
239 
240 #define Symb_Pwrite64 UNIX_PFX "pwrite64"
241 #define Retv_Pwrite64 ssize_t
242 #define Args_Pwrite64 int, const void *, size_t, off64_t
243 
244 #define Symb_Read UNIX_PFX "read"
245 #define Retv_Read ssize_t
246 #define Args_Read int, void *, size_t
247 
248 #define Symb_Readv UNIX_PFX "readv"
249 #define Retv_Readv ssize_t
250 #define Args_Readv int, const struct iovec *, int
251 
252 #define Symb_Readdir UNIX_PFX "readdir"
253 #define Retv_Readdir struct dirent *
254 #define Args_Readdir DIR *
255 
256 #define Symb_Readdir64 UNIX_PFX "readdir64"
257 #define Retv_Readdir64 struct dirent64 *
258 #define Args_Readdir64 DIR *
259 
260 #define Symb_Readdir_r UNIX_PFX "readdir_r"
261 #define Retv_Readdir_r int
262 #define Args_Readdir_r DIR *, struct dirent *, struct dirent **
263 
264 #define Symb_Readdir64_r UNIX_PFX "readdir64_r"
265 #define Retv_Readdir64_r int
266 #define Args_Readdir64_r DIR *, struct dirent64 *, struct dirent64 **
267 
268 #define Symb_Rename UNIX_PFX "rename"
269 #define Retv_Rename int
270 #define Args_Rename const char *, const char *
271 
272 #define Symb_Rewinddir UNIX_PFX "rewinddir"
273 #define Retv_Rewinddir void
274 #define Args_Rewinddir DIR *
275 
276 #define Symb_Rmdir UNIX_PFX "rmdir"
277 #define Retv_Rmdir int
278 #define Args_Rmdir const char *
279 
280 #define Symb_Seekdir UNIX_PFX "seekdir"
281 #define Retv_Seekdir void
282 #define Args_Seekdir DIR *, long
283 
284 #ifdef __linux__
285 #define Symb_Stat UNIX_PFX "__xstat"
286 #define Retv_Stat int
287 #define Args_Stat int, const char *, struct stat *
288 #else
289 #define Symb_Stat UNIX_PFX "stat"
290 #define Retv_Stat int
291 #define Args_Stat const char *, struct stat *
292 #endif
293 
294 #if defined(__linux__) and defined(_STAT_VER)
295 #define Symb_Stat64 UNIX_PFX "__xstat64"
296 #define Retv_Stat64 int
297 #define Args_Stat64 int, const char *, struct stat64 *
298 #else
299 #define Symb_Stat64 UNIX_PFX "stat64"
300 #define Retv_Stat64 int
301 #define Args_Stat64 const char *, struct stat64 *
302 #endif
303 
304 #define Symb_Statfs UNIX_PFX "statfs"
305 #define Retv_Statfs int
306 #define Args_Statfs const char *, struct statfs *
307 
308 #define Symb_Statfs64 UNIX_PFX "statfs64"
309 #define Retv_Statfs64 int
310 #define Args_Statfs64 const char *, struct statfs64 *
311 
312 #define Symb_Statvfs UNIX_PFX "statvfs"
313 #define Retv_Statvfs int
314 #define Args_Statvfs const char *, struct statvfs *
315 
316 #define Symb_Statvfs64 UNIX_PFX "statvfs64"
317 #define Retv_Statvfs64 int
318 #define Args_Statvfs64 const char *, struct statvfs64 *
319 
320 #define Symb_Telldir UNIX_PFX "telldir"
321 #define Retv_Telldir long
322 #define Args_Telldir DIR *
323 
324 #define Symb_Truncate UNIX_PFX "truncate"
325 #define Retv_Truncate int
326 #define Args_Truncate const char *, off_t
327 
328 #define Symb_Truncate64 UNIX_PFX "truncate64"
329 #define Retv_Truncate64 int
330 #define Args_Truncate64 const char *, off64_t
331 
332 #define Symb_Unlink UNIX_PFX "unlink"
333 #define Retv_Unlink int
334 #define Args_Unlink const char *
335 
336 #define Symb_Write UNIX_PFX "write"
337 #define Retv_Write ssize_t
338 #define Args_Write int, const void *, size_t
339 
340 #define Symb_Writev UNIX_PFX "writev"
341 #define Retv_Writev ssize_t
342 #define Args_Writev int, const struct iovec *, int
343 
344 /******************************************************************************/
345 /* C a l l O u t V e c t o r D e f i n i t i o n */
346 /******************************************************************************/
347 
349 {public:
350  int Init(int *X=0) {if (!Done) Done = Resolve(); return 0;}
351 
415 
416  int Load_Error(const char *epname, int retv=-1);
417 
418  XrdPosixLinkage() : Done(0) {Init();}
420 
421 private:
422 int Done;
423 void Missing(const char *);
424 int Resolve();
425 };
426 // Warning! This class is meant to be defined as a static object.
427 #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)