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) {
32 #ifdef USE_REENTRANT_API
33 #define REENTRANTSMALLSIZE 256 /* Make something up. */
34 #define REENTRANTUSUALSIZE 4096 /* Make something up. */
36 PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
37 #endif /* HAS_ASCTIME_R */
39 #endif /* HAS_CRYPT_R */
41 PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
42 #endif /* HAS_CTIME_R */
44 #endif /* HAS_DRAND48_R */
46 # if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
47 PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
48 if (PL_reentrant_buffer->_grent_size == (size_t) -1)
49 PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
51 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
52 PL_reentrant_buffer->_grent_size = SIABUFSIZ;
55 PL_reentrant_buffer->_grent_size = BUFSIZ;
57 PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
61 #endif /* HAS_GETGRNAM_R */
62 #ifdef HAS_GETHOSTBYNAME_R
63 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
64 PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
66 #endif /* HAS_GETHOSTBYNAME_R */
68 PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
69 #endif /* HAS_GETLOGIN_R */
70 #ifdef HAS_GETNETBYNAME_R
71 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
72 PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
74 #endif /* HAS_GETNETBYNAME_R */
75 #ifdef HAS_GETPROTOBYNAME_R
76 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
77 PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
79 #endif /* HAS_GETPROTOBYNAME_R */
81 # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
82 PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
83 if (PL_reentrant_buffer->_pwent_size == (size_t) -1)
84 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
86 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
87 PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
90 PL_reentrant_buffer->_pwent_size = BUFSIZ;
92 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
96 #endif /* HAS_GETPWNAM_R */
97 #ifdef HAS_GETSERVBYNAME_R
98 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
99 PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
101 #endif /* HAS_GETSERVBYNAME_R */
102 #ifdef HAS_GETSPNAM_R
103 # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
104 PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
105 if (PL_reentrant_buffer->_spent_size == (size_t) -1)
106 PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
108 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
109 PL_reentrant_buffer->_spent_size = SIABUFSIZ;
112 PL_reentrant_buffer->_spent_size = BUFSIZ;
114 PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
118 #endif /* HAS_GETSPNAM_R */
120 #endif /* HAS_RANDOM_R */
122 /* This is the size Solaris recommends.
123 * (though we go static, should use pathconf() instead) */
124 PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
125 #endif /* HAS_READDIR_R */
126 #ifdef HAS_READDIR64_R
127 /* This is the size Solaris recommends.
128 * (though we go static, should use pathconf() instead) */
129 PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
130 #endif /* HAS_READDIR64_R */
131 #ifdef HAS_SETLOCALE_R
132 PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
133 #endif /* HAS_SETLOCALE_R */
135 #endif /* HAS_SRANDOM_R */
136 #ifdef HAS_STRERROR_R
137 PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
138 #endif /* HAS_STRERROR_R */
140 PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
141 #endif /* HAS_TTYNAME_R */
143 #endif /* USE_REENTRANT_API */
147 Perl_reentrant_init(pTHX) {
148 #ifdef USE_REENTRANT_API
149 Newx(PL_reentrant_buffer, 1, REENTR);
150 Perl_reentrant_size(aTHX);
152 Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
153 #endif /* HAS_ASCTIME_R */
155 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
156 PL_reentrant_buffer->_crypt_struct_buffer = 0;
158 #endif /* HAS_CRYPT_R */
160 Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
161 #endif /* HAS_CTIME_R */
163 #endif /* HAS_DRAND48_R */
164 #ifdef HAS_GETGRNAM_R
165 # ifdef USE_GRENT_FPTR
166 PL_reentrant_buffer->_grent_fptr = NULL;
168 Newx(PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
169 #endif /* HAS_GETGRNAM_R */
170 #ifdef HAS_GETHOSTBYNAME_R
171 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
172 Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
174 #endif /* HAS_GETHOSTBYNAME_R */
175 #ifdef HAS_GETLOGIN_R
176 Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
177 #endif /* HAS_GETLOGIN_R */
178 #ifdef HAS_GETNETBYNAME_R
179 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
180 Newx(PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
182 #endif /* HAS_GETNETBYNAME_R */
183 #ifdef HAS_GETPROTOBYNAME_R
184 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
185 Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
187 #endif /* HAS_GETPROTOBYNAME_R */
188 #ifdef HAS_GETPWNAM_R
189 # ifdef USE_PWENT_FPTR
190 PL_reentrant_buffer->_pwent_fptr = NULL;
192 Newx(PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
193 #endif /* HAS_GETPWNAM_R */
194 #ifdef HAS_GETSERVBYNAME_R
195 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
196 Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
198 #endif /* HAS_GETSERVBYNAME_R */
199 #ifdef HAS_GETSPNAM_R
200 # ifdef USE_SPENT_FPTR
201 PL_reentrant_buffer->_spent_fptr = NULL;
203 Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
204 #endif /* HAS_GETSPNAM_R */
206 #endif /* HAS_RANDOM_R */
208 PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
209 #endif /* HAS_READDIR_R */
210 #ifdef HAS_READDIR64_R
211 PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
212 #endif /* HAS_READDIR64_R */
213 #ifdef HAS_SETLOCALE_R
214 Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
215 #endif /* HAS_SETLOCALE_R */
217 #endif /* HAS_SRANDOM_R */
218 #ifdef HAS_STRERROR_R
219 Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
220 #endif /* HAS_STRERROR_R */
222 Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
223 #endif /* HAS_TTYNAME_R */
225 #endif /* USE_REENTRANT_API */
229 Perl_reentrant_free(pTHX) {
230 #ifdef USE_REENTRANT_API
232 Safefree(PL_reentrant_buffer->_asctime_buffer);
233 #endif /* HAS_ASCTIME_R */
235 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
236 Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
238 #endif /* HAS_CRYPT_R */
240 Safefree(PL_reentrant_buffer->_ctime_buffer);
241 #endif /* HAS_CTIME_R */
243 #endif /* HAS_DRAND48_R */
244 #ifdef HAS_GETGRNAM_R
245 Safefree(PL_reentrant_buffer->_grent_buffer);
246 #endif /* HAS_GETGRNAM_R */
247 #ifdef HAS_GETHOSTBYNAME_R
248 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
249 Safefree(PL_reentrant_buffer->_hostent_buffer);
251 #endif /* HAS_GETHOSTBYNAME_R */
252 #ifdef HAS_GETLOGIN_R
253 Safefree(PL_reentrant_buffer->_getlogin_buffer);
254 #endif /* HAS_GETLOGIN_R */
255 #ifdef HAS_GETNETBYNAME_R
256 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
257 Safefree(PL_reentrant_buffer->_netent_buffer);
259 #endif /* HAS_GETNETBYNAME_R */
260 #ifdef HAS_GETPROTOBYNAME_R
261 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
262 Safefree(PL_reentrant_buffer->_protoent_buffer);
264 #endif /* HAS_GETPROTOBYNAME_R */
265 #ifdef HAS_GETPWNAM_R
266 Safefree(PL_reentrant_buffer->_pwent_buffer);
267 #endif /* HAS_GETPWNAM_R */
268 #ifdef HAS_GETSERVBYNAME_R
269 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
270 Safefree(PL_reentrant_buffer->_servent_buffer);
272 #endif /* HAS_GETSERVBYNAME_R */
273 #ifdef HAS_GETSPNAM_R
274 Safefree(PL_reentrant_buffer->_spent_buffer);
275 #endif /* HAS_GETSPNAM_R */
277 #endif /* HAS_RANDOM_R */
279 Safefree(PL_reentrant_buffer->_readdir_struct);
280 #endif /* HAS_READDIR_R */
281 #ifdef HAS_READDIR64_R
282 Safefree(PL_reentrant_buffer->_readdir64_struct);
283 #endif /* HAS_READDIR64_R */
284 #ifdef HAS_SETLOCALE_R
285 Safefree(PL_reentrant_buffer->_setlocale_buffer);
286 #endif /* HAS_SETLOCALE_R */
288 #endif /* HAS_SRANDOM_R */
289 #ifdef HAS_STRERROR_R
290 Safefree(PL_reentrant_buffer->_strerror_buffer);
291 #endif /* HAS_STRERROR_R */
293 Safefree(PL_reentrant_buffer->_ttyname_buffer);
294 #endif /* HAS_TTYNAME_R */
296 Safefree(PL_reentrant_buffer);
297 #endif /* USE_REENTRANT_API */
301 Perl_reentrant_retry(const char *f, ...)
306 #ifdef USE_REENTRANT_API
307 /* Easier to special case this here than in embed.pl. (Look at what it
308 generates for proto.h) */
309 PERL_ARGS_ASSERT_REENTRANT_RETRY;
313 #ifdef USE_REENTRANT_API
314 # 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)
317 # if defined(USE_SERVENT_BUFFER)
320 # if defined(USE_HOSTENT_BUFFER)
323 # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
327 switch (PL_op->op_type) {
328 #ifdef USE_HOSTENT_BUFFER
333 #ifdef PERL_REENTRANT_MAXSIZE
334 if (PL_reentrant_buffer->_hostent_size <=
335 PERL_REENTRANT_MAXSIZE / 2)
338 PL_reentrant_buffer->_hostent_size *= 2;
339 Renew(PL_reentrant_buffer->_hostent_buffer,
340 PL_reentrant_buffer->_hostent_size, char);
341 switch (PL_op->op_type) {
343 p0 = va_arg(ap, void *);
344 asize = va_arg(ap, size_t);
345 anint = va_arg(ap, int);
346 retptr = gethostbyaddr(p0, asize, anint); break;
348 p0 = va_arg(ap, void *);
349 retptr = gethostbyname((char *)p0); break;
351 retptr = gethostent(); break;
353 SETERRNO(ERANGE, LIB_INVARG);
360 #ifdef USE_GRENT_BUFFER
365 #ifdef PERL_REENTRANT_MAXSIZE
366 if (PL_reentrant_buffer->_grent_size <=
367 PERL_REENTRANT_MAXSIZE / 2)
371 PL_reentrant_buffer->_grent_size *= 2;
372 Renew(PL_reentrant_buffer->_grent_buffer,
373 PL_reentrant_buffer->_grent_size, char);
374 switch (PL_op->op_type) {
376 p0 = va_arg(ap, void *);
377 retptr = getgrnam((char *)p0); break;
379 #if Gid_t_size < INTSIZE
380 gid = (Gid_t)va_arg(ap, int);
382 gid = va_arg(ap, Gid_t);
384 retptr = getgrgid(gid); break;
386 retptr = getgrent(); break;
388 SETERRNO(ERANGE, LIB_INVARG);
395 #ifdef USE_NETENT_BUFFER
400 #ifdef PERL_REENTRANT_MAXSIZE
401 if (PL_reentrant_buffer->_netent_size <=
402 PERL_REENTRANT_MAXSIZE / 2)
406 PL_reentrant_buffer->_netent_size *= 2;
407 Renew(PL_reentrant_buffer->_netent_buffer,
408 PL_reentrant_buffer->_netent_size, char);
409 switch (PL_op->op_type) {
411 net = va_arg(ap, Netdb_net_t);
412 anint = va_arg(ap, int);
413 retptr = getnetbyaddr(net, anint); break;
415 p0 = va_arg(ap, void *);
416 retptr = getnetbyname((char *)p0); break;
418 retptr = getnetent(); break;
420 SETERRNO(ERANGE, LIB_INVARG);
427 #ifdef USE_PWENT_BUFFER
432 #ifdef PERL_REENTRANT_MAXSIZE
433 if (PL_reentrant_buffer->_pwent_size <=
434 PERL_REENTRANT_MAXSIZE / 2)
438 PL_reentrant_buffer->_pwent_size *= 2;
439 Renew(PL_reentrant_buffer->_pwent_buffer,
440 PL_reentrant_buffer->_pwent_size, char);
441 switch (PL_op->op_type) {
443 p0 = va_arg(ap, void *);
444 retptr = getpwnam((char *)p0); break;
446 #if Uid_t_size < INTSIZE
447 uid = (Uid_t)va_arg(ap, int);
449 uid = va_arg(ap, Uid_t);
451 retptr = getpwuid(uid); break;
453 retptr = getpwent(); break;
455 SETERRNO(ERANGE, LIB_INVARG);
462 #ifdef USE_PROTOENT_BUFFER
467 #ifdef PERL_REENTRANT_MAXSIZE
468 if (PL_reentrant_buffer->_protoent_size <=
469 PERL_REENTRANT_MAXSIZE / 2)
472 PL_reentrant_buffer->_protoent_size *= 2;
473 Renew(PL_reentrant_buffer->_protoent_buffer,
474 PL_reentrant_buffer->_protoent_size, char);
475 switch (PL_op->op_type) {
477 p0 = va_arg(ap, void *);
478 retptr = getprotobyname((char *)p0); break;
480 anint = va_arg(ap, int);
481 retptr = getprotobynumber(anint); break;
483 retptr = getprotoent(); break;
485 SETERRNO(ERANGE, LIB_INVARG);
492 #ifdef USE_SERVENT_BUFFER
497 #ifdef PERL_REENTRANT_MAXSIZE
498 if (PL_reentrant_buffer->_servent_size <=
499 PERL_REENTRANT_MAXSIZE / 2)
502 PL_reentrant_buffer->_servent_size *= 2;
503 Renew(PL_reentrant_buffer->_servent_buffer,
504 PL_reentrant_buffer->_servent_size, char);
505 switch (PL_op->op_type) {
507 p0 = va_arg(ap, void *);
508 p1 = va_arg(ap, void *);
509 retptr = getservbyname((char *)p0, (char *)p1); break;
511 anint = va_arg(ap, int);
512 p0 = va_arg(ap, void *);
513 retptr = getservbyport(anint, (char *)p0); break;
515 retptr = getservent(); break;
517 SETERRNO(ERANGE, LIB_INVARG);
525 /* Not known how to retry, so just fail. */