Commit | Line | Data |
cf7fe8a2 |
1 | /* |
2 | * Copyright (c) 1997-8 Graham Barr <gbarr@pobox.com>. All rights reserved. |
3 | * This program is free software; you can redistribute it and/or |
4 | * modify it under the same terms as Perl itself. |
5 | */ |
6 | |
6e22d046 |
7 | #define PERL_EXT_IO |
8 | |
c5be433b |
9 | #define PERL_NO_GET_CONTEXT |
8add82fc |
10 | #include "EXTERN.h" |
760ac839 |
11 | #define PERLIO_NOT_STDIO 1 |
8add82fc |
12 | #include "perl.h" |
13 | #include "XSUB.h" |
cf7fe8a2 |
14 | #include "poll.h" |
8add82fc |
15 | #ifdef I_UNISTD |
16 | # include <unistd.h> |
17 | #endif |
cf7fe8a2 |
18 | #if defined(I_FCNTL) || defined(HAS_FCNTL) |
760ac839 |
19 | # include <fcntl.h> |
20 | #endif |
8add82fc |
21 | |
63a347c7 |
22 | #ifndef SIOCATMARK |
23 | # ifdef I_SYS_SOCKIO |
24 | # include <sys/sockio.h> |
25 | # endif |
26 | #endif |
27 | |
2a0cf753 |
28 | #ifdef PerlIO |
eb44fba6 |
29 | #if defined(MACOS_TRADITIONAL) && defined(USE_SFIO) |
824215e2 |
30 | #define PERLIO_IS_STDIO 1 |
31 | #undef setbuf |
32 | #undef setvbuf |
33 | #define setvbuf _stdsetvbuf |
34 | #define setbuf(f,b) ( __sf_setbuf(f,b) ) |
35 | #endif |
8add82fc |
36 | typedef int SysRet; |
760ac839 |
37 | typedef PerlIO * InputStream; |
38 | typedef PerlIO * OutputStream; |
2a0cf753 |
39 | #else |
40 | #define PERLIO_IS_STDIO 1 |
41 | typedef int SysRet; |
42 | typedef FILE * InputStream; |
43 | typedef FILE * OutputStream; |
44 | #endif |
8add82fc |
45 | |
cceca5ed |
46 | #define MY_start_subparse(fmt,flags) start_subparse(fmt,flags) |
cf7fe8a2 |
47 | |
48 | #ifndef gv_stashpvn |
49 | #define gv_stashpvn(str,len,flags) gv_stashpv(str,flags) |
50 | #endif |
51 | |
7698c435 |
52 | static int not_here(const char *s) __attribute__noreturn__; |
8add82fc |
53 | static int |
7698c435 |
54 | not_here(const char *s) |
8add82fc |
55 | { |
56 | croak("%s not implemented on this architecture", s); |
c38693a5 |
57 | NORETURN_FUNCTION_END; |
8add82fc |
58 | } |
59 | |
cf7fe8a2 |
60 | |
61 | #ifndef PerlIO |
62 | #define PerlIO_fileno(f) fileno(f) |
8add82fc |
63 | #endif |
cf7fe8a2 |
64 | |
65 | static int |
e87a358a |
66 | io_blocking(pTHX_ InputStream f, int block) |
cf7fe8a2 |
67 | { |
91f3b821 |
68 | #if defined(HAS_FCNTL) |
cf7fe8a2 |
69 | int RETVAL; |
70 | if(!f) { |
71 | errno = EBADF; |
72 | return -1; |
73 | } |
cf7fe8a2 |
74 | RETVAL = fcntl(PerlIO_fileno(f), F_GETFL, 0); |
75 | if (RETVAL >= 0) { |
76 | int mode = RETVAL; |
3b2f3eeb |
77 | int newmode = mode; |
cf7fe8a2 |
78 | #ifdef O_NONBLOCK |
766a733e |
79 | /* POSIX style */ |
cf7fe8a2 |
80 | |
3b2f3eeb |
81 | # ifndef O_NDELAY |
82 | # define O_NDELAY O_NONBLOCK |
83 | # endif |
84 | /* Note: UNICOS and UNICOS/mk a F_GETFL returns an O_NDELAY |
6fd254a4 |
85 | * after a successful F_SETFL of an O_NONBLOCK. */ |
86 | RETVAL = RETVAL & (O_NONBLOCK | O_NDELAY) ? 0 : 1; |
87 | |
3b2f3eeb |
88 | if (block == 0) { |
89 | newmode &= ~O_NDELAY; |
90 | newmode |= O_NONBLOCK; |
91 | } else if (block > 0) { |
92 | newmode &= ~(O_NDELAY|O_NONBLOCK); |
cf7fe8a2 |
93 | } |
8add82fc |
94 | #else |
cf7fe8a2 |
95 | /* Not POSIX - better have O_NDELAY or we can't cope. |
96 | * for BSD-ish machines this is an acceptable alternative |
766a733e |
97 | * for SysV we can't tell "would block" from EOF but that is |
cf7fe8a2 |
98 | * the way SysV is... |
99 | */ |
100 | RETVAL = RETVAL & O_NDELAY ? 0 : 1; |
101 | |
3b2f3eeb |
102 | if (block == 0) { |
103 | newmode |= O_NDELAY; |
104 | } else if (block > 0) { |
105 | newmode &= ~O_NDELAY; |
106 | } |
107 | #endif |
108 | if (newmode != mode) { |
7698c435 |
109 | const int ret = fcntl(PerlIO_fileno(f),F_SETFL,newmode); |
3b2f3eeb |
110 | if (ret < 0) |
cf7fe8a2 |
111 | RETVAL = ret; |
3b2f3eeb |
112 | } |
cf7fe8a2 |
113 | } |
114 | return RETVAL; |
8add82fc |
115 | #else |
91f3b821 |
116 | return -1; |
8add82fc |
117 | #endif |
8add82fc |
118 | } |
119 | |
8add82fc |
120 | MODULE = IO PACKAGE = IO::Seekable PREFIX = f |
121 | |
8063af02 |
122 | void |
8add82fc |
123 | fgetpos(handle) |
124 | InputStream handle |
125 | CODE: |
8add82fc |
126 | if (handle) { |
2a0cf753 |
127 | #ifdef PerlIO |
766a733e |
128 | ST(0) = sv_2mortal(newSV(0)); |
129 | if (PerlIO_getpos(handle, ST(0)) != 0) { |
130 | ST(0) = &PL_sv_undef; |
131 | } |
2a0cf753 |
132 | #else |
766a733e |
133 | if (fgetpos(handle, &pos)) { |
a6a714bd |
134 | ST(0) = &PL_sv_undef; |
135 | } else { |
136 | ST(0) = sv_2mortal(newSVpv((char*)&pos, sizeof(Fpos_t))); |
137 | } |
766a733e |
138 | #endif |
8add82fc |
139 | } |
140 | else { |
a1ea39dc |
141 | ST(0) = &PL_sv_undef; |
8add82fc |
142 | errno = EINVAL; |
143 | } |
8add82fc |
144 | |
145 | SysRet |
146 | fsetpos(handle, pos) |
147 | InputStream handle |
148 | SV * pos |
149 | CODE: |
766a733e |
150 | if (handle) { |
2a0cf753 |
151 | #ifdef PerlIO |
766a733e |
152 | RETVAL = PerlIO_setpos(handle, pos); |
2a0cf753 |
153 | #else |
766a733e |
154 | char *p; |
155 | STRLEN len; |
156 | if ((p = SvPV(pos,len)) && len == sizeof(Fpos_t)) { |
157 | RETVAL = fsetpos(handle, (Fpos_t*)p); |
158 | } |
159 | else { |
160 | RETVAL = -1; |
161 | errno = EINVAL; |
162 | } |
2a0cf753 |
163 | #endif |
766a733e |
164 | } |
8add82fc |
165 | else { |
166 | RETVAL = -1; |
167 | errno = EINVAL; |
168 | } |
8add82fc |
169 | OUTPUT: |
170 | RETVAL |
171 | |
172 | MODULE = IO PACKAGE = IO::File PREFIX = f |
173 | |
8063af02 |
174 | void |
8add82fc |
175 | new_tmpfile(packname = "IO::File") |
7698c435 |
176 | const char * packname |
a375a877 |
177 | PREINIT: |
178 | OutputStream fp; |
179 | GV *gv; |
8add82fc |
180 | CODE: |
2a0cf753 |
181 | #ifdef PerlIO |
a375a877 |
182 | fp = PerlIO_tmpfile(); |
2a0cf753 |
183 | #else |
a375a877 |
184 | fp = tmpfile(); |
2a0cf753 |
185 | #endif |
a375a877 |
186 | gv = (GV*)SvREFCNT_inc(newGVgen(packname)); |
187 | hv_delete(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), G_DISCARD); |
188 | if (do_open(gv, "+>&", 3, FALSE, 0, 0, fp)) { |
6d5cdeed |
189 | ST(0) = sv_2mortal(newRV((SV*)gv)); |
a375a877 |
190 | sv_bless(ST(0), gv_stashpv(packname, TRUE)); |
cf7fe8a2 |
191 | SvREFCNT_dec(gv); /* undo increment in newRV() */ |
a375a877 |
192 | } |
193 | else { |
a1ea39dc |
194 | ST(0) = &PL_sv_undef; |
a375a877 |
195 | SvREFCNT_dec(gv); |
196 | } |
8add82fc |
197 | |
cf7fe8a2 |
198 | MODULE = IO PACKAGE = IO::Poll |
199 | |
766a733e |
200 | void |
cf7fe8a2 |
201 | _poll(timeout,...) |
202 | int timeout; |
203 | PPCODE: |
204 | { |
205 | #ifdef HAS_POLL |
7698c435 |
206 | const int nfd = (items - 1) / 2; |
cf7fe8a2 |
207 | SV *tmpsv = NEWSV(999,nfd * sizeof(struct pollfd)); |
208 | struct pollfd *fds = (struct pollfd *)SvPVX(tmpsv); |
209 | int i,j,ret; |
210 | for(i=1, j=0 ; j < nfd ; j++) { |
211 | fds[j].fd = SvIV(ST(i)); |
212 | i++; |
7c436af3 |
213 | fds[j].events = (short)SvIV(ST(i)); |
cf7fe8a2 |
214 | i++; |
215 | fds[j].revents = 0; |
216 | } |
217 | if((ret = poll(fds,nfd,timeout)) >= 0) { |
218 | for(i=1, j=0 ; j < nfd ; j++) { |
219 | sv_setiv(ST(i), fds[j].fd); i++; |
220 | sv_setiv(ST(i), fds[j].revents); i++; |
221 | } |
222 | } |
223 | SvREFCNT_dec(tmpsv); |
224 | XSRETURN_IV(ret); |
225 | #else |
226 | not_here("IO::Poll::poll"); |
227 | #endif |
228 | } |
229 | |
230 | MODULE = IO PACKAGE = IO::Handle PREFIX = io_ |
231 | |
232 | void |
233 | io_blocking(handle,blk=-1) |
234 | InputStream handle |
235 | int blk |
236 | PROTOTYPE: $;$ |
237 | CODE: |
238 | { |
7698c435 |
239 | const int ret = io_blocking(aTHX_ handle, items == 1 ? -1 : blk ? 1 : 0); |
cf7fe8a2 |
240 | if(ret >= 0) |
241 | XSRETURN_IV(ret); |
242 | else |
243 | XSRETURN_UNDEF; |
244 | } |
245 | |
8add82fc |
246 | MODULE = IO PACKAGE = IO::Handle PREFIX = f |
247 | |
8add82fc |
248 | int |
249 | ungetc(handle, c) |
250 | InputStream handle |
251 | int c |
252 | CODE: |
253 | if (handle) |
2a0cf753 |
254 | #ifdef PerlIO |
760ac839 |
255 | RETVAL = PerlIO_ungetc(handle, c); |
2a0cf753 |
256 | #else |
257 | RETVAL = ungetc(c, handle); |
258 | #endif |
8add82fc |
259 | else { |
260 | RETVAL = -1; |
261 | errno = EINVAL; |
262 | } |
263 | OUTPUT: |
264 | RETVAL |
265 | |
266 | int |
267 | ferror(handle) |
268 | InputStream handle |
269 | CODE: |
270 | if (handle) |
2a0cf753 |
271 | #ifdef PerlIO |
760ac839 |
272 | RETVAL = PerlIO_error(handle); |
2a0cf753 |
273 | #else |
274 | RETVAL = ferror(handle); |
275 | #endif |
276 | else { |
277 | RETVAL = -1; |
278 | errno = EINVAL; |
279 | } |
280 | OUTPUT: |
281 | RETVAL |
282 | |
283 | int |
284 | clearerr(handle) |
285 | InputStream handle |
286 | CODE: |
287 | if (handle) { |
288 | #ifdef PerlIO |
289 | PerlIO_clearerr(handle); |
290 | #else |
291 | clearerr(handle); |
292 | #endif |
293 | RETVAL = 0; |
294 | } |
8add82fc |
295 | else { |
296 | RETVAL = -1; |
59629a13 |
297 | errno = EINVAL; |
298 | } |
299 | OUTPUT: |
300 | RETVAL |
301 | |
302 | int |
303 | untaint(handle) |
304 | SV * handle |
305 | CODE: |
7a4c00b4 |
306 | #ifdef IOf_UNTAINT |
59629a13 |
307 | IO * io; |
308 | io = sv_2io(handle); |
309 | if (io) { |
310 | IoFLAGS(io) |= IOf_UNTAINT; |
311 | RETVAL = 0; |
312 | } |
313 | else { |
7a4c00b4 |
314 | #endif |
59629a13 |
315 | RETVAL = -1; |
8add82fc |
316 | errno = EINVAL; |
7a4c00b4 |
317 | #ifdef IOf_UNTAINT |
8add82fc |
318 | } |
7a4c00b4 |
319 | #endif |
8add82fc |
320 | OUTPUT: |
321 | RETVAL |
322 | |
323 | SysRet |
324 | fflush(handle) |
325 | OutputStream handle |
326 | CODE: |
327 | if (handle) |
2a0cf753 |
328 | #ifdef PerlIO |
760ac839 |
329 | RETVAL = PerlIO_flush(handle); |
2a0cf753 |
330 | #else |
331 | RETVAL = Fflush(handle); |
332 | #endif |
8add82fc |
333 | else { |
334 | RETVAL = -1; |
335 | errno = EINVAL; |
336 | } |
337 | OUTPUT: |
338 | RETVAL |
339 | |
340 | void |
c46a0ec2 |
341 | setbuf(handle, ...) |
8add82fc |
342 | OutputStream handle |
8add82fc |
343 | CODE: |
344 | if (handle) |
760ac839 |
345 | #ifdef PERLIO_IS_STDIO |
c46a0ec2 |
346 | { |
347 | char *buf = items == 2 && SvPOK(ST(1)) ? |
348 | sv_grow(ST(1), BUFSIZ) : 0; |
8add82fc |
349 | setbuf(handle, buf); |
c46a0ec2 |
350 | } |
760ac839 |
351 | #else |
352 | not_here("IO::Handle::setbuf"); |
353 | #endif |
8add82fc |
354 | |
355 | SysRet |
c46a0ec2 |
356 | setvbuf(...) |
8add82fc |
357 | CODE: |
c46a0ec2 |
358 | if (items != 4) |
359 | Perl_croak(aTHX_ "Usage: IO::Handle::setvbuf(handle, buf, type, size)"); |
1eeb0f31 |
360 | #if defined(PERLIO_IS_STDIO) && defined(_IOFBF) && defined(HAS_SETVBUF) |
c46a0ec2 |
361 | { |
362 | OutputStream handle = 0; |
363 | char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), SvIV(ST(3))) : 0; |
364 | int type; |
365 | int size; |
366 | |
367 | if (items == 4) { |
368 | handle = IoOFP(sv_2io(ST(0))); |
369 | buf = SvPOK(ST(1)) ? sv_grow(ST(1), SvIV(ST(3))) : 0; |
370 | type = (int)SvIV(ST(2)); |
371 | size = (int)SvIV(ST(3)); |
372 | } |
d924de76 |
373 | if (!handle) /* Try input stream. */ |
374 | handle = IoIFP(sv_2io(ST(0))); |
c46a0ec2 |
375 | if (items == 4 && handle) |
8add82fc |
376 | RETVAL = setvbuf(handle, buf, type, size); |
377 | else { |
378 | RETVAL = -1; |
379 | errno = EINVAL; |
380 | } |
c46a0ec2 |
381 | } |
8add82fc |
382 | #else |
61839fa9 |
383 | RETVAL = (SysRet) not_here("IO::Handle::setvbuf"); |
760ac839 |
384 | #endif |
8add82fc |
385 | OUTPUT: |
386 | RETVAL |
387 | |
388 | |
cf7fe8a2 |
389 | SysRet |
390 | fsync(handle) |
391 | OutputStream handle |
392 | CODE: |
393 | #ifdef HAS_FSYNC |
394 | if(handle) |
395 | RETVAL = fsync(PerlIO_fileno(handle)); |
396 | else { |
397 | RETVAL = -1; |
398 | errno = EINVAL; |
399 | } |
400 | #else |
401 | RETVAL = (SysRet) not_here("IO::Handle::sync"); |
402 | #endif |
403 | OUTPUT: |
404 | RETVAL |
405 | |
406 | |
63a347c7 |
407 | MODULE = IO PACKAGE = IO::Socket |
408 | |
409 | SysRet |
410 | sockatmark (sock) |
411 | InputStream sock |
412 | PROTOTYPE: $ |
413 | PREINIT: |
06c912bc |
414 | int fd; |
63a347c7 |
415 | CODE: |
416 | { |
417 | fd = PerlIO_fileno(sock); |
418 | #ifdef HAS_SOCKATMARK |
06c912bc |
419 | RETVAL = sockatmark(fd); |
63a347c7 |
420 | #else |
06c912bc |
421 | { |
422 | int flag = 0; |
6d087280 |
423 | # ifdef SIOCATMARK |
6e22d046 |
424 | # if defined(NETWARE) || defined(WIN32) |
2986a63f |
425 | if (ioctl(fd, SIOCATMARK, (void*)&flag) != 0) |
f754b6e0 |
426 | # else |
427 | if (ioctl(fd, SIOCATMARK, &flag) != 0) |
428 | # endif |
06c912bc |
429 | XSRETURN_UNDEF; |
63a347c7 |
430 | # else |
06c912bc |
431 | not_here("IO::Socket::atmark"); |
432 | # endif |
433 | RETVAL = flag; |
434 | } |
63a347c7 |
435 | #endif |
436 | } |
437 | OUTPUT: |
438 | RETVAL |
439 | |
cf7fe8a2 |
440 | BOOT: |
441 | { |
442 | HV *stash; |
443 | /* |
444 | * constant subs for IO::Poll |
445 | */ |
446 | stash = gv_stashpvn("IO::Poll", 8, TRUE); |
447 | #ifdef POLLIN |
448 | newCONSTSUB(stash,"POLLIN",newSViv(POLLIN)); |
449 | #endif |
450 | #ifdef POLLPRI |
451 | newCONSTSUB(stash,"POLLPRI", newSViv(POLLPRI)); |
452 | #endif |
453 | #ifdef POLLOUT |
454 | newCONSTSUB(stash,"POLLOUT", newSViv(POLLOUT)); |
455 | #endif |
456 | #ifdef POLLRDNORM |
457 | newCONSTSUB(stash,"POLLRDNORM", newSViv(POLLRDNORM)); |
458 | #endif |
459 | #ifdef POLLWRNORM |
460 | newCONSTSUB(stash,"POLLWRNORM", newSViv(POLLWRNORM)); |
461 | #endif |
462 | #ifdef POLLRDBAND |
463 | newCONSTSUB(stash,"POLLRDBAND", newSViv(POLLRDBAND)); |
464 | #endif |
465 | #ifdef POLLWRBAND |
466 | newCONSTSUB(stash,"POLLWRBAND", newSViv(POLLWRBAND)); |
467 | #endif |
468 | #ifdef POLLNORM |
469 | newCONSTSUB(stash,"POLLNORM", newSViv(POLLNORM)); |
470 | #endif |
471 | #ifdef POLLERR |
472 | newCONSTSUB(stash,"POLLERR", newSViv(POLLERR)); |
473 | #endif |
474 | #ifdef POLLHUP |
475 | newCONSTSUB(stash,"POLLHUP", newSViv(POLLHUP)); |
476 | #endif |
477 | #ifdef POLLNVAL |
478 | newCONSTSUB(stash,"POLLNVAL", newSViv(POLLNVAL)); |
479 | #endif |
480 | /* |
481 | * constant subs for IO::Handle |
482 | */ |
483 | stash = gv_stashpvn("IO::Handle", 10, TRUE); |
484 | #ifdef _IOFBF |
485 | newCONSTSUB(stash,"_IOFBF", newSViv(_IOFBF)); |
486 | #endif |
487 | #ifdef _IOLBF |
488 | newCONSTSUB(stash,"_IOLBF", newSViv(_IOLBF)); |
489 | #endif |
490 | #ifdef _IONBF |
491 | newCONSTSUB(stash,"_IONBF", newSViv(_IONBF)); |
492 | #endif |
493 | #ifdef SEEK_SET |
494 | newCONSTSUB(stash,"SEEK_SET", newSViv(SEEK_SET)); |
495 | #endif |
496 | #ifdef SEEK_CUR |
497 | newCONSTSUB(stash,"SEEK_CUR", newSViv(SEEK_CUR)); |
498 | #endif |
499 | #ifdef SEEK_END |
500 | newCONSTSUB(stash,"SEEK_END", newSViv(SEEK_END)); |
501 | #endif |
cf7fe8a2 |
502 | } |
63a347c7 |
503 | |