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.
8 #define PERLIO_NOT_STDIO 1
15 #if defined(I_FCNTL) || defined(HAS_FCNTL)
21 typedef PerlIO * InputStream;
22 typedef PerlIO * OutputStream;
24 #define PERLIO_IS_STDIO 1
26 typedef FILE * InputStream;
27 typedef FILE * OutputStream;
30 #include "patchlevel.h"
32 #if (PATCHLEVEL < 3) || ((PATCHLEVEL == 3) && (SUBVERSION < 22))
34 # define MY_start_subparse(fmt,flags) start_subparse()
36 # if (PATCHLEVEL == 3) && (SUBVERSION == 22)
38 # define MY_start_subparse(fmt,flags) start_subparse(flags)
40 /* 5.003_23 onwards */
41 # define MY_start_subparse(fmt,flags) start_subparse(fmt,flags)
46 #define gv_stashpvn(str,len,flags) gv_stashpv(str,flags)
52 croak("%s not implemented on this architecture", s);
58 #define PerlIO_fileno(f) fileno(f)
62 io_blocking(InputStream f, int block)
69 #if defined(HAS_FCNTL)
70 RETVAL = fcntl(PerlIO_fileno(f), F_GETFL, 0);
75 #if defined(O_NDELAY) && O_NDELAY != O_NONBLOCK
76 /* Ooops has O_NDELAY too - make sure we don't
77 * get SysV behaviour by mistake
79 RETVAL = RETVAL & O_NONBLOCK ? 0 : 1;
81 if ((mode & O_NDELAY) || ((block == 0) && !(mode & O_NONBLOCK))) {
83 mode = (mode & ~O_NDELAY) | O_NONBLOCK;
84 ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
88 else if ((mode & O_NDELAY) || ((block > 0) && (mode & O_NONBLOCK))) {
90 mode &= ~(O_NONBLOCK | O_NDELAY);
91 ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
97 RETVAL = RETVAL & O_NONBLOCK ? 0 : 1;
99 if ((block == 0) && !(mode & O_NONBLOCK)) {
102 ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
106 else if ((block > 0) && (mode & O_NONBLOCK)) {
109 ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
115 /* Not POSIX - better have O_NDELAY or we can't cope.
116 * for BSD-ish machines this is an acceptable alternative
117 * for SysV we can't tell "would block" from EOF but that is
120 RETVAL = RETVAL & O_NDELAY ? 0 : 1;
122 if ((block == 0) && !(mode & O_NDELAY)) {
125 ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
129 else if ((block > 0) && (mode & O_NDELAY)) {
132 ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
144 MODULE = IO PACKAGE = IO::Seekable PREFIX = f
153 PerlIO_getpos(handle, &pos);
155 fgetpos(handle, &pos);
157 ST(0) = sv_2mortal(newSVpv((char*)&pos, sizeof(Fpos_t)));
160 ST(0) = &PL_sv_undef;
171 if (handle && (p = SvPV(pos,len)) && len == sizeof(Fpos_t))
173 RETVAL = PerlIO_setpos(handle, (Fpos_t*)p);
175 RETVAL = fsetpos(handle, (Fpos_t*)p);
184 MODULE = IO PACKAGE = IO::File PREFIX = f
187 new_tmpfile(packname = "IO::File")
194 fp = PerlIO_tmpfile();
198 gv = (GV*)SvREFCNT_inc(newGVgen(packname));
199 hv_delete(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), G_DISCARD);
200 if (do_open(gv, "+>&", 3, FALSE, 0, 0, fp)) {
201 ST(0) = sv_2mortal(newRV((SV*)gv));
202 sv_bless(ST(0), gv_stashpv(packname, TRUE));
203 SvREFCNT_dec(gv); /* undo increment in newRV() */
206 ST(0) = &PL_sv_undef;
210 MODULE = IO PACKAGE = IO::Poll
218 int nfd = (items - 1) / 2;
219 SV *tmpsv = NEWSV(999,nfd * sizeof(struct pollfd));
220 struct pollfd *fds = (struct pollfd *)SvPVX(tmpsv);
222 for(i=1, j=0 ; j < nfd ; j++) {
223 fds[j].fd = SvIV(ST(i));
225 fds[j].events = SvIV(ST(i));
229 if((ret = poll(fds,nfd,timeout)) >= 0) {
230 for(i=1, j=0 ; j < nfd ; j++) {
231 sv_setiv(ST(i), fds[j].fd); i++;
232 sv_setiv(ST(i), fds[j].revents); i++;
238 not_here("IO::Poll::poll");
242 MODULE = IO PACKAGE = IO::Handle PREFIX = io_
245 io_blocking(handle,blk=-1)
251 int ret = io_blocking(handle, items == 1 ? -1 : blk ? 1 : 0);
258 MODULE = IO PACKAGE = IO::Handle PREFIX = f
268 RETVAL = PerlIO_ungetc(handle, c);
270 RETVAL = ungetc(c, handle);
285 RETVAL = PerlIO_error(handle);
287 RETVAL = ferror(handle);
302 PerlIO_clearerr(handle);
323 IoFLAGS(io) |= IOf_UNTAINT;
342 RETVAL = PerlIO_flush(handle);
344 RETVAL = Fflush(handle);
356 char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), BUFSIZ) : 0;
359 #ifdef PERLIO_IS_STDIO
362 not_here("IO::Handle::setbuf");
366 setvbuf(handle, buf, type, size)
368 char * buf = SvPOK(ST(1)) ? sv_grow(ST(1), SvIV(ST(3))) : 0;
372 /* Should check HAS_SETVBUF once Configure tests for that */
373 #if defined(PERLIO_IS_STDIO) && defined(_IOFBF)
374 if (!handle) /* Try input stream. */
375 handle = IoIFP(sv_2io(ST(0)));
377 RETVAL = setvbuf(handle, buf, type, size);
383 RETVAL = (SysRet) not_here("IO::Handle::setvbuf");
395 RETVAL = fsync(PerlIO_fileno(handle));
401 RETVAL = (SysRet) not_here("IO::Handle::sync");
411 * constant subs for IO::Poll
413 stash = gv_stashpvn("IO::Poll", 8, TRUE);
415 newCONSTSUB(stash,"POLLIN",newSViv(POLLIN));
418 newCONSTSUB(stash,"POLLPRI", newSViv(POLLPRI));
421 newCONSTSUB(stash,"POLLOUT", newSViv(POLLOUT));
424 newCONSTSUB(stash,"POLLRDNORM", newSViv(POLLRDNORM));
427 newCONSTSUB(stash,"POLLWRNORM", newSViv(POLLWRNORM));
430 newCONSTSUB(stash,"POLLRDBAND", newSViv(POLLRDBAND));
433 newCONSTSUB(stash,"POLLWRBAND", newSViv(POLLWRBAND));
436 newCONSTSUB(stash,"POLLNORM", newSViv(POLLNORM));
439 newCONSTSUB(stash,"POLLERR", newSViv(POLLERR));
442 newCONSTSUB(stash,"POLLHUP", newSViv(POLLHUP));
445 newCONSTSUB(stash,"POLLNVAL", newSViv(POLLNVAL));
448 * constant subs for IO::Handle
450 stash = gv_stashpvn("IO::Handle", 10, TRUE);
452 newCONSTSUB(stash,"_IOFBF", newSViv(_IOFBF));
455 newCONSTSUB(stash,"_IOLBF", newSViv(_IOLBF));
458 newCONSTSUB(stash,"_IONBF", newSViv(_IONBF));
461 newCONSTSUB(stash,"SEEK_SET", newSViv(SEEK_SET));
464 newCONSTSUB(stash,"SEEK_CUR", newSViv(SEEK_CUR));
467 newCONSTSUB(stash,"SEEK_END", newSViv(SEEK_END));
470 * constant subs for IO
472 stash = gv_stashpvn("IO", 2, TRUE);
474 newCONSTSUB(stash,"EINPROGRESS", newSViv(EINPROGRESS));