1 /* -*- buffer-read-only: t -*-
5 * Copyright (C) 2002, 2003, 2005, 2006, 2007 by Larry Wall and others
7 * You may distribute under the terms of either the GNU General Public
8 * License or the Artistic License, as specified in the README file.
10 * !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
11 * This file is built by regen/reentr.pl from data in regen/reentr.pl.
12 * Any changes made here will be lost!
14 * "Saruman," I said, standing away from him, "only one hand at a time can
15 * wield the One, and you know that well, so do not trouble to say we!"
17 * This file contains a collection of automatically created wrappers
18 * (created by running reentr.pl) for reentrant (thread-safe) versions of
19 * various library calls, such as getpwent_r. The wrapping is done so
20 * that other files like pp_sys.c calling those library functions need not
21 * care about the differences between various platforms' idiosyncrasies
22 * regarding these reentrant interfaces.
26 #define PERL_IN_REENTR_C
31 Perl_reentrant_size(pTHX) {
33 #ifdef USE_REENTRANT_API
34 #define REENTRANTSMALLSIZE 256 /* Make something up. */
35 #define REENTRANTUSUALSIZE 4096 /* Make something up. */
37 PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
38 #endif /* HAS_ASCTIME_R */
40 #endif /* HAS_CRYPT_R */
42 PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
43 #endif /* HAS_CTIME_R */
45 # if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
46 PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
47 if (PL_reentrant_buffer->_grent_size == (size_t) -1)
48 PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
50 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
51 PL_reentrant_buffer->_grent_size = SIABUFSIZ;
54 PL_reentrant_buffer->_grent_size = BUFSIZ;
56 PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
60 #endif /* HAS_GETGRNAM_R */
61 #ifdef HAS_GETHOSTBYNAME_R
62 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
63 PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
65 #endif /* HAS_GETHOSTBYNAME_R */
67 PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
68 #endif /* HAS_GETLOGIN_R */
69 #ifdef HAS_GETNETBYNAME_R
70 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
71 PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
73 #endif /* HAS_GETNETBYNAME_R */
74 #ifdef HAS_GETPROTOBYNAME_R
75 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
76 PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
78 #endif /* HAS_GETPROTOBYNAME_R */
80 # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
81 PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
82 if (PL_reentrant_buffer->_pwent_size == (size_t) -1)
83 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
85 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
86 PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
89 PL_reentrant_buffer->_pwent_size = BUFSIZ;
91 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
95 #endif /* HAS_GETPWNAM_R */
96 #ifdef HAS_GETSERVBYNAME_R
97 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
98 PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
100 #endif /* HAS_GETSERVBYNAME_R */
101 #ifdef HAS_GETSPNAM_R
102 # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
103 PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
104 if (PL_reentrant_buffer->_spent_size == (size_t) -1)
105 PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
107 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
108 PL_reentrant_buffer->_spent_size = SIABUFSIZ;
111 PL_reentrant_buffer->_spent_size = BUFSIZ;
113 PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
117 #endif /* HAS_GETSPNAM_R */
119 /* This is the size Solaris recommends.
120 * (though we go static, should use pathconf() instead) */
121 PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
122 #endif /* HAS_READDIR_R */
123 #ifdef HAS_READDIR64_R
124 /* This is the size Solaris recommends.
125 * (though we go static, should use pathconf() instead) */
126 PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
127 #endif /* HAS_READDIR64_R */
128 #ifdef HAS_SETLOCALE_R
129 PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
130 #endif /* HAS_SETLOCALE_R */
131 #ifdef HAS_STRERROR_R
132 PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
133 #endif /* HAS_STRERROR_R */
135 PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
136 #endif /* HAS_TTYNAME_R */
138 #endif /* USE_REENTRANT_API */
142 Perl_reentrant_init(pTHX) {
144 #ifdef USE_REENTRANT_API
145 Newx(PL_reentrant_buffer, 1, REENTR);
146 Perl_reentrant_size(aTHX);
148 Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
149 #endif /* HAS_ASCTIME_R */
151 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
152 PL_reentrant_buffer->_crypt_struct_buffer = 0;
154 #endif /* HAS_CRYPT_R */
156 Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
157 #endif /* HAS_CTIME_R */
158 #ifdef HAS_GETGRNAM_R
159 # ifdef USE_GRENT_FPTR
160 PL_reentrant_buffer->_grent_fptr = NULL;
162 Newx(PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
163 #endif /* HAS_GETGRNAM_R */
164 #ifdef HAS_GETHOSTBYNAME_R
165 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
166 Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
168 #endif /* HAS_GETHOSTBYNAME_R */
169 #ifdef HAS_GETLOGIN_R
170 Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
171 #endif /* HAS_GETLOGIN_R */
172 #ifdef HAS_GETNETBYNAME_R
173 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
174 Newx(PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
176 #endif /* HAS_GETNETBYNAME_R */
177 #ifdef HAS_GETPROTOBYNAME_R
178 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
179 Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
181 #endif /* HAS_GETPROTOBYNAME_R */
182 #ifdef HAS_GETPWNAM_R
183 # ifdef USE_PWENT_FPTR
184 PL_reentrant_buffer->_pwent_fptr = NULL;
186 Newx(PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
187 #endif /* HAS_GETPWNAM_R */
188 #ifdef HAS_GETSERVBYNAME_R
189 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
190 Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
192 #endif /* HAS_GETSERVBYNAME_R */
193 #ifdef HAS_GETSPNAM_R
194 # ifdef USE_SPENT_FPTR
195 PL_reentrant_buffer->_spent_fptr = NULL;
197 Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
198 #endif /* HAS_GETSPNAM_R */
200 PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
201 #endif /* HAS_READDIR_R */
202 #ifdef HAS_READDIR64_R
203 PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
204 #endif /* HAS_READDIR64_R */
205 #ifdef HAS_SETLOCALE_R
206 Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
207 #endif /* HAS_SETLOCALE_R */
208 #ifdef HAS_STRERROR_R
209 Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
210 #endif /* HAS_STRERROR_R */
212 Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
213 #endif /* HAS_TTYNAME_R */
215 #endif /* USE_REENTRANT_API */
219 Perl_reentrant_free(pTHX) {
221 #ifdef USE_REENTRANT_API
223 Safefree(PL_reentrant_buffer->_asctime_buffer);
224 #endif /* HAS_ASCTIME_R */
226 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
227 Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
229 #endif /* HAS_CRYPT_R */
231 Safefree(PL_reentrant_buffer->_ctime_buffer);
232 #endif /* HAS_CTIME_R */
233 #ifdef HAS_GETGRNAM_R
234 Safefree(PL_reentrant_buffer->_grent_buffer);
235 #endif /* HAS_GETGRNAM_R */
236 #ifdef HAS_GETHOSTBYNAME_R
237 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
238 Safefree(PL_reentrant_buffer->_hostent_buffer);
240 #endif /* HAS_GETHOSTBYNAME_R */
241 #ifdef HAS_GETLOGIN_R
242 Safefree(PL_reentrant_buffer->_getlogin_buffer);
243 #endif /* HAS_GETLOGIN_R */
244 #ifdef HAS_GETNETBYNAME_R
245 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
246 Safefree(PL_reentrant_buffer->_netent_buffer);
248 #endif /* HAS_GETNETBYNAME_R */
249 #ifdef HAS_GETPROTOBYNAME_R
250 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
251 Safefree(PL_reentrant_buffer->_protoent_buffer);
253 #endif /* HAS_GETPROTOBYNAME_R */
254 #ifdef HAS_GETPWNAM_R
255 Safefree(PL_reentrant_buffer->_pwent_buffer);
256 #endif /* HAS_GETPWNAM_R */
257 #ifdef HAS_GETSERVBYNAME_R
258 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
259 Safefree(PL_reentrant_buffer->_servent_buffer);
261 #endif /* HAS_GETSERVBYNAME_R */
262 #ifdef HAS_GETSPNAM_R
263 Safefree(PL_reentrant_buffer->_spent_buffer);
264 #endif /* HAS_GETSPNAM_R */
266 Safefree(PL_reentrant_buffer->_readdir_struct);
267 #endif /* HAS_READDIR_R */
268 #ifdef HAS_READDIR64_R
269 Safefree(PL_reentrant_buffer->_readdir64_struct);
270 #endif /* HAS_READDIR64_R */
271 #ifdef HAS_SETLOCALE_R
272 Safefree(PL_reentrant_buffer->_setlocale_buffer);
273 #endif /* HAS_SETLOCALE_R */
274 #ifdef HAS_STRERROR_R
275 Safefree(PL_reentrant_buffer->_strerror_buffer);
276 #endif /* HAS_STRERROR_R */
278 Safefree(PL_reentrant_buffer->_ttyname_buffer);
279 #endif /* HAS_TTYNAME_R */
281 Safefree(PL_reentrant_buffer);
282 #endif /* USE_REENTRANT_API */
286 Perl_reentrant_retry(const char *f, ...)
290 #ifdef USE_REENTRANT_API
292 /* Easier to special case this here than in embed.pl. (Look at what it
293 generates for proto.h) */
294 PERL_ARGS_ASSERT_REENTRANT_RETRY;
298 #ifdef USE_REENTRANT_API
299 # if defined(USE_HOSTENT_BUFFER) || defined(USE_GRENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PWENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
302 # if defined(USE_SERVENT_BUFFER)
305 # if defined(USE_HOSTENT_BUFFER)
308 # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
312 switch (PL_op->op_type) {
313 #ifdef USE_HOSTENT_BUFFER
318 #ifdef PERL_REENTRANT_MAXSIZE
319 if (PL_reentrant_buffer->_hostent_size <=
320 PERL_REENTRANT_MAXSIZE / 2)
323 PL_reentrant_buffer->_hostent_size *= 2;
324 Renew(PL_reentrant_buffer->_hostent_buffer,
325 PL_reentrant_buffer->_hostent_size, char);
326 switch (PL_op->op_type) {
328 p0 = va_arg(ap, void *);
329 asize = va_arg(ap, size_t);
330 anint = va_arg(ap, int);
331 retptr = gethostbyaddr(p0, asize, anint); break;
333 p0 = va_arg(ap, void *);
334 retptr = gethostbyname((char *)p0); break;
336 retptr = gethostent(); break;
338 SETERRNO(ERANGE, LIB_INVARG);
345 #ifdef USE_GRENT_BUFFER
350 #ifdef PERL_REENTRANT_MAXSIZE
351 if (PL_reentrant_buffer->_grent_size <=
352 PERL_REENTRANT_MAXSIZE / 2)
356 PL_reentrant_buffer->_grent_size *= 2;
357 Renew(PL_reentrant_buffer->_grent_buffer,
358 PL_reentrant_buffer->_grent_size, char);
359 switch (PL_op->op_type) {
361 p0 = va_arg(ap, void *);
362 retptr = getgrnam((char *)p0); break;
364 #if Gid_t_size < INTSIZE
365 gid = (Gid_t)va_arg(ap, int);
367 gid = va_arg(ap, Gid_t);
369 retptr = getgrgid(gid); break;
371 retptr = getgrent(); break;
373 SETERRNO(ERANGE, LIB_INVARG);
380 #ifdef USE_NETENT_BUFFER
385 #ifdef PERL_REENTRANT_MAXSIZE
386 if (PL_reentrant_buffer->_netent_size <=
387 PERL_REENTRANT_MAXSIZE / 2)
391 PL_reentrant_buffer->_netent_size *= 2;
392 Renew(PL_reentrant_buffer->_netent_buffer,
393 PL_reentrant_buffer->_netent_size, char);
394 switch (PL_op->op_type) {
396 net = va_arg(ap, Netdb_net_t);
397 anint = va_arg(ap, int);
398 retptr = getnetbyaddr(net, anint); break;
400 p0 = va_arg(ap, void *);
401 retptr = getnetbyname((char *)p0); break;
403 retptr = getnetent(); break;
405 SETERRNO(ERANGE, LIB_INVARG);
412 #ifdef USE_PWENT_BUFFER
417 #ifdef PERL_REENTRANT_MAXSIZE
418 if (PL_reentrant_buffer->_pwent_size <=
419 PERL_REENTRANT_MAXSIZE / 2)
423 PL_reentrant_buffer->_pwent_size *= 2;
424 Renew(PL_reentrant_buffer->_pwent_buffer,
425 PL_reentrant_buffer->_pwent_size, char);
426 switch (PL_op->op_type) {
428 p0 = va_arg(ap, void *);
429 retptr = getpwnam((char *)p0); break;
431 #if Uid_t_size < INTSIZE
432 uid = (Uid_t)va_arg(ap, int);
434 uid = va_arg(ap, Uid_t);
436 retptr = getpwuid(uid); break;
437 #if defined(HAS_GETPWENT) || defined(HAS_GETPWENT_R)
439 retptr = getpwent(); break;
442 SETERRNO(ERANGE, LIB_INVARG);
449 #ifdef USE_PROTOENT_BUFFER
454 #ifdef PERL_REENTRANT_MAXSIZE
455 if (PL_reentrant_buffer->_protoent_size <=
456 PERL_REENTRANT_MAXSIZE / 2)
459 PL_reentrant_buffer->_protoent_size *= 2;
460 Renew(PL_reentrant_buffer->_protoent_buffer,
461 PL_reentrant_buffer->_protoent_size, char);
462 switch (PL_op->op_type) {
464 p0 = va_arg(ap, void *);
465 retptr = getprotobyname((char *)p0); break;
467 anint = va_arg(ap, int);
468 retptr = getprotobynumber(anint); break;
470 retptr = getprotoent(); break;
472 SETERRNO(ERANGE, LIB_INVARG);
479 #ifdef USE_SERVENT_BUFFER
484 #ifdef PERL_REENTRANT_MAXSIZE
485 if (PL_reentrant_buffer->_servent_size <=
486 PERL_REENTRANT_MAXSIZE / 2)
489 PL_reentrant_buffer->_servent_size *= 2;
490 Renew(PL_reentrant_buffer->_servent_buffer,
491 PL_reentrant_buffer->_servent_size, char);
492 switch (PL_op->op_type) {
494 p0 = va_arg(ap, void *);
495 p1 = va_arg(ap, void *);
496 retptr = getservbyname((char *)p0, (char *)p1); break;
498 anint = va_arg(ap, int);
499 p0 = va_arg(ap, void *);
500 retptr = getservbyport(anint, (char *)p0); break;
502 retptr = getservent(); break;
504 SETERRNO(ERANGE, LIB_INVARG);
512 /* Not known how to retry, so just fail. */