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 # if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
45 PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
46 if (PL_reentrant_buffer->_grent_size == (size_t) -1)
47 PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
49 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
50 PL_reentrant_buffer->_grent_size = SIABUFSIZ;
53 PL_reentrant_buffer->_grent_size = BUFSIZ;
55 PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
59 #endif /* HAS_GETGRNAM_R */
60 #ifdef HAS_GETHOSTBYNAME_R
61 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
62 PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
64 #endif /* HAS_GETHOSTBYNAME_R */
66 PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
67 #endif /* HAS_GETLOGIN_R */
68 #ifdef HAS_GETNETBYNAME_R
69 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
70 PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
72 #endif /* HAS_GETNETBYNAME_R */
73 #ifdef HAS_GETPROTOBYNAME_R
74 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
75 PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
77 #endif /* HAS_GETPROTOBYNAME_R */
79 # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
80 PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
81 if (PL_reentrant_buffer->_pwent_size == (size_t) -1)
82 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
84 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
85 PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
88 PL_reentrant_buffer->_pwent_size = BUFSIZ;
90 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
94 #endif /* HAS_GETPWNAM_R */
95 #ifdef HAS_GETSERVBYNAME_R
96 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
97 PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
99 #endif /* HAS_GETSERVBYNAME_R */
100 #ifdef HAS_GETSPNAM_R
101 # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
102 PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
103 if (PL_reentrant_buffer->_spent_size == (size_t) -1)
104 PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
106 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
107 PL_reentrant_buffer->_spent_size = SIABUFSIZ;
110 PL_reentrant_buffer->_spent_size = BUFSIZ;
112 PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
116 #endif /* HAS_GETSPNAM_R */
118 /* This is the size Solaris recommends.
119 * (though we go static, should use pathconf() instead) */
120 PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
121 #endif /* HAS_READDIR_R */
122 #ifdef HAS_READDIR64_R
123 /* This is the size Solaris recommends.
124 * (though we go static, should use pathconf() instead) */
125 PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
126 #endif /* HAS_READDIR64_R */
127 #ifdef HAS_SETLOCALE_R
128 PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
129 #endif /* HAS_SETLOCALE_R */
130 #ifdef HAS_STRERROR_R
131 PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
132 #endif /* HAS_STRERROR_R */
134 PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
135 #endif /* HAS_TTYNAME_R */
137 #endif /* USE_REENTRANT_API */
141 Perl_reentrant_init(pTHX) {
142 #ifdef USE_REENTRANT_API
143 Newx(PL_reentrant_buffer, 1, REENTR);
144 Perl_reentrant_size(aTHX);
146 Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
147 #endif /* HAS_ASCTIME_R */
149 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
150 PL_reentrant_buffer->_crypt_struct_buffer = 0;
152 #endif /* HAS_CRYPT_R */
154 Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
155 #endif /* HAS_CTIME_R */
156 #ifdef HAS_GETGRNAM_R
157 # ifdef USE_GRENT_FPTR
158 PL_reentrant_buffer->_grent_fptr = NULL;
160 Newx(PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
161 #endif /* HAS_GETGRNAM_R */
162 #ifdef HAS_GETHOSTBYNAME_R
163 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
164 Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
166 #endif /* HAS_GETHOSTBYNAME_R */
167 #ifdef HAS_GETLOGIN_R
168 Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
169 #endif /* HAS_GETLOGIN_R */
170 #ifdef HAS_GETNETBYNAME_R
171 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
172 Newx(PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
174 #endif /* HAS_GETNETBYNAME_R */
175 #ifdef HAS_GETPROTOBYNAME_R
176 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
177 Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
179 #endif /* HAS_GETPROTOBYNAME_R */
180 #ifdef HAS_GETPWNAM_R
181 # ifdef USE_PWENT_FPTR
182 PL_reentrant_buffer->_pwent_fptr = NULL;
184 Newx(PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
185 #endif /* HAS_GETPWNAM_R */
186 #ifdef HAS_GETSERVBYNAME_R
187 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
188 Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
190 #endif /* HAS_GETSERVBYNAME_R */
191 #ifdef HAS_GETSPNAM_R
192 # ifdef USE_SPENT_FPTR
193 PL_reentrant_buffer->_spent_fptr = NULL;
195 Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
196 #endif /* HAS_GETSPNAM_R */
198 PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
199 #endif /* HAS_READDIR_R */
200 #ifdef HAS_READDIR64_R
201 PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
202 #endif /* HAS_READDIR64_R */
203 #ifdef HAS_SETLOCALE_R
204 Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
205 #endif /* HAS_SETLOCALE_R */
206 #ifdef HAS_STRERROR_R
207 Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
208 #endif /* HAS_STRERROR_R */
210 Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
211 #endif /* HAS_TTYNAME_R */
213 #endif /* USE_REENTRANT_API */
217 Perl_reentrant_free(pTHX) {
218 #ifdef USE_REENTRANT_API
220 Safefree(PL_reentrant_buffer->_asctime_buffer);
221 #endif /* HAS_ASCTIME_R */
223 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
224 Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
226 #endif /* HAS_CRYPT_R */
228 Safefree(PL_reentrant_buffer->_ctime_buffer);
229 #endif /* HAS_CTIME_R */
230 #ifdef HAS_GETGRNAM_R
231 Safefree(PL_reentrant_buffer->_grent_buffer);
232 #endif /* HAS_GETGRNAM_R */
233 #ifdef HAS_GETHOSTBYNAME_R
234 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
235 Safefree(PL_reentrant_buffer->_hostent_buffer);
237 #endif /* HAS_GETHOSTBYNAME_R */
238 #ifdef HAS_GETLOGIN_R
239 Safefree(PL_reentrant_buffer->_getlogin_buffer);
240 #endif /* HAS_GETLOGIN_R */
241 #ifdef HAS_GETNETBYNAME_R
242 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
243 Safefree(PL_reentrant_buffer->_netent_buffer);
245 #endif /* HAS_GETNETBYNAME_R */
246 #ifdef HAS_GETPROTOBYNAME_R
247 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
248 Safefree(PL_reentrant_buffer->_protoent_buffer);
250 #endif /* HAS_GETPROTOBYNAME_R */
251 #ifdef HAS_GETPWNAM_R
252 Safefree(PL_reentrant_buffer->_pwent_buffer);
253 #endif /* HAS_GETPWNAM_R */
254 #ifdef HAS_GETSERVBYNAME_R
255 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
256 Safefree(PL_reentrant_buffer->_servent_buffer);
258 #endif /* HAS_GETSERVBYNAME_R */
259 #ifdef HAS_GETSPNAM_R
260 Safefree(PL_reentrant_buffer->_spent_buffer);
261 #endif /* HAS_GETSPNAM_R */
263 Safefree(PL_reentrant_buffer->_readdir_struct);
264 #endif /* HAS_READDIR_R */
265 #ifdef HAS_READDIR64_R
266 Safefree(PL_reentrant_buffer->_readdir64_struct);
267 #endif /* HAS_READDIR64_R */
268 #ifdef HAS_SETLOCALE_R
269 Safefree(PL_reentrant_buffer->_setlocale_buffer);
270 #endif /* HAS_SETLOCALE_R */
271 #ifdef HAS_STRERROR_R
272 Safefree(PL_reentrant_buffer->_strerror_buffer);
273 #endif /* HAS_STRERROR_R */
275 Safefree(PL_reentrant_buffer->_ttyname_buffer);
276 #endif /* HAS_TTYNAME_R */
278 Safefree(PL_reentrant_buffer);
279 #endif /* USE_REENTRANT_API */
283 Perl_reentrant_retry(const char *f, ...)
287 #ifdef USE_REENTRANT_API
289 /* Easier to special case this here than in embed.pl. (Look at what it
290 generates for proto.h) */
291 PERL_ARGS_ASSERT_REENTRANT_RETRY;
295 #ifdef USE_REENTRANT_API
296 # 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)
299 # if defined(USE_SERVENT_BUFFER)
302 # if defined(USE_HOSTENT_BUFFER)
305 # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
309 switch (PL_op->op_type) {
310 #ifdef USE_HOSTENT_BUFFER
315 #ifdef PERL_REENTRANT_MAXSIZE
316 if (PL_reentrant_buffer->_hostent_size <=
317 PERL_REENTRANT_MAXSIZE / 2)
320 PL_reentrant_buffer->_hostent_size *= 2;
321 Renew(PL_reentrant_buffer->_hostent_buffer,
322 PL_reentrant_buffer->_hostent_size, char);
323 switch (PL_op->op_type) {
325 p0 = va_arg(ap, void *);
326 asize = va_arg(ap, size_t);
327 anint = va_arg(ap, int);
328 retptr = gethostbyaddr(p0, asize, anint); break;
330 p0 = va_arg(ap, void *);
331 retptr = gethostbyname((char *)p0); break;
333 retptr = gethostent(); break;
335 SETERRNO(ERANGE, LIB_INVARG);
342 #ifdef USE_GRENT_BUFFER
347 #ifdef PERL_REENTRANT_MAXSIZE
348 if (PL_reentrant_buffer->_grent_size <=
349 PERL_REENTRANT_MAXSIZE / 2)
353 PL_reentrant_buffer->_grent_size *= 2;
354 Renew(PL_reentrant_buffer->_grent_buffer,
355 PL_reentrant_buffer->_grent_size, char);
356 switch (PL_op->op_type) {
358 p0 = va_arg(ap, void *);
359 retptr = getgrnam((char *)p0); break;
361 #if Gid_t_size < INTSIZE
362 gid = (Gid_t)va_arg(ap, int);
364 gid = va_arg(ap, Gid_t);
366 retptr = getgrgid(gid); break;
368 retptr = getgrent(); break;
370 SETERRNO(ERANGE, LIB_INVARG);
377 #ifdef USE_NETENT_BUFFER
382 #ifdef PERL_REENTRANT_MAXSIZE
383 if (PL_reentrant_buffer->_netent_size <=
384 PERL_REENTRANT_MAXSIZE / 2)
388 PL_reentrant_buffer->_netent_size *= 2;
389 Renew(PL_reentrant_buffer->_netent_buffer,
390 PL_reentrant_buffer->_netent_size, char);
391 switch (PL_op->op_type) {
393 net = va_arg(ap, Netdb_net_t);
394 anint = va_arg(ap, int);
395 retptr = getnetbyaddr(net, anint); break;
397 p0 = va_arg(ap, void *);
398 retptr = getnetbyname((char *)p0); break;
400 retptr = getnetent(); break;
402 SETERRNO(ERANGE, LIB_INVARG);
409 #ifdef USE_PWENT_BUFFER
414 #ifdef PERL_REENTRANT_MAXSIZE
415 if (PL_reentrant_buffer->_pwent_size <=
416 PERL_REENTRANT_MAXSIZE / 2)
420 PL_reentrant_buffer->_pwent_size *= 2;
421 Renew(PL_reentrant_buffer->_pwent_buffer,
422 PL_reentrant_buffer->_pwent_size, char);
423 switch (PL_op->op_type) {
425 p0 = va_arg(ap, void *);
426 retptr = getpwnam((char *)p0); break;
428 #if Uid_t_size < INTSIZE
429 uid = (Uid_t)va_arg(ap, int);
431 uid = va_arg(ap, Uid_t);
433 retptr = getpwuid(uid); break;
434 #if defined(HAS_GETPWENT) || defined(HAS_GETPWENT_R)
436 retptr = getpwent(); break;
439 SETERRNO(ERANGE, LIB_INVARG);
446 #ifdef USE_PROTOENT_BUFFER
451 #ifdef PERL_REENTRANT_MAXSIZE
452 if (PL_reentrant_buffer->_protoent_size <=
453 PERL_REENTRANT_MAXSIZE / 2)
456 PL_reentrant_buffer->_protoent_size *= 2;
457 Renew(PL_reentrant_buffer->_protoent_buffer,
458 PL_reentrant_buffer->_protoent_size, char);
459 switch (PL_op->op_type) {
461 p0 = va_arg(ap, void *);
462 retptr = getprotobyname((char *)p0); break;
464 anint = va_arg(ap, int);
465 retptr = getprotobynumber(anint); break;
467 retptr = getprotoent(); break;
469 SETERRNO(ERANGE, LIB_INVARG);
476 #ifdef USE_SERVENT_BUFFER
481 #ifdef PERL_REENTRANT_MAXSIZE
482 if (PL_reentrant_buffer->_servent_size <=
483 PERL_REENTRANT_MAXSIZE / 2)
486 PL_reentrant_buffer->_servent_size *= 2;
487 Renew(PL_reentrant_buffer->_servent_buffer,
488 PL_reentrant_buffer->_servent_size, char);
489 switch (PL_op->op_type) {
491 p0 = va_arg(ap, void *);
492 p1 = va_arg(ap, void *);
493 retptr = getservbyname((char *)p0, (char *)p1); break;
495 anint = va_arg(ap, int);
496 p0 = va_arg(ap, void *);
497 retptr = getservbyport(anint, (char *)p0); break;
499 retptr = getservent(); break;
501 SETERRNO(ERANGE, LIB_INVARG);
509 /* Not known how to retry, so just fail. */