ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.140 by root, Wed Jun 3 12:24:49 2009 UTC vs.
Revision 1.152 by root, Tue Jul 14 00:32:27 2009 UTC

3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
75 77
76#define EIO_STRUCT_STAT Stat_t 78#define EIO_STRUCT_STAT Stat_t
77 79
78/* use NV for 32 bit perls as it allows larger offsets */ 80/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8 81#if IVSIZE >= 8
82# define VAL64 IV
80# define SvVAL64 SvIV 83# define SvVAL64 SvIV
84# define newSVval64 newSViv
81#else 85#else
86# define VAL64 NV
82# define SvVAL64 SvNV 87# define SvVAL64 SvNV
88# define newSVval64 newSVnv
83#endif 89#endif
84 90
85/*****************************************************************************/ 91/*****************************************************************************/
86 92
87#if __GNUC__ >= 3 93#if __GNUC__ >= 3
95 101
96/*****************************************************************************/ 102/*****************************************************************************/
97 103
98static HV *stash; 104static HV *stash;
99typedef SV SV8; /* byte-sv, used for argument-checking */ 105typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */
100 108
101#define AIO_REQ_KLASS "IO::AIO::REQ" 109#define AIO_REQ_KLASS "IO::AIO::REQ"
102#define AIO_GRP_KLASS "IO::AIO::GRP" 110#define AIO_GRP_KLASS "IO::AIO::GRP"
103 111
104#define EIO_REQ_MEMBERS \ 112#define EIO_REQ_MEMBERS \
108 SV *self; 116 SV *self;
109 117
110#define EIO_NO_WRAPPERS 1 118#define EIO_NO_WRAPPERS 1
111 119
112#include "libeio/eio.h" 120#include "libeio/eio.h"
121
122#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0
129#endif
130
131#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0
133#endif
134
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138
139#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0
141#endif
142
143#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0
145#endif
113 146
114static int req_invoke (eio_req *req); 147static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 148#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 149static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 150#define EIO_DESTROY(req) req_destroy (req)
228 SV *rv = &PL_sv_undef; 261 SV *rv = &PL_sv_undef;
229 262
230 if (req->result >= 0) 263 if (req->result >= 0)
231 { 264 {
232 int i; 265 int i;
233 char *buf = req->ptr2; 266 char *names = (char *)req->ptr2;
267 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 268 AV *av = newAV ();
235 269
236 av_extend (av, req->result - 1); 270 av_extend (av, req->result - 1);
237 271
238 for (i = 0; i < req->result; ++i) 272 for (i = 0; i < req->result; ++i)
239 { 273 {
240 SV *sv = newSVpv (buf, 0); 274 if (req->int1 & EIO_READDIR_DENTS)
275 {
276 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241 277
278 if (req->int1 & EIO_READDIR_CUSTOM2)
279 {
280 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
281 AV *avent = newAV ();
282
283 av_extend (avent, 2);
284
285 if (!sv_type [ent->type])
286 {
287 sv_type [ent->type] = newSViv (ent->type);
288 SvREADONLY_on (sv_type [ent->type]);
289 }
290
291 av_store (avent, 0, namesv);
292 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
293 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
294
295 av_store (av, i, newRV_noinc ((SV *)avent));
296 }
297 else
242 av_store (av, i, sv); 298 av_store (av, i, namesv);
299
300 ++ent;
301 }
302 else
303 {
304 SV *name = newSVpv (names, 0);
305 av_store (av, i, name);
243 buf += SvCUR (sv) + 1; 306 names += SvCUR (name) + 1;
307 }
244 } 308 }
245 309
246 rv = sv_2mortal (newRV_noinc ((SV *)av)); 310 rv = sv_2mortal (newRV_noinc ((SV *)av));
247 } 311 }
248 312
249 PUSHs (rv); 313 PUSHs (rv);
314
315 if (req->int1 & EIO_READDIR_CUSTOM1)
316 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
250 } 317 }
251 break; 318 break;
252 319
253 case EIO_OPEN: 320 case EIO_OPEN:
254 { 321 {
260 GV *gv = (GV *)sv_newmortal (); 327 GV *gv = (GV *)sv_newmortal ();
261 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
262 char sym [64]; 329 char sym [64];
263 int symlen; 330 int symlen;
264 331
265 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266 gv_init (gv, stash, sym, symlen, 0); 333 gv_init (gv, stash, sym, symlen, 0);
267 334
268 symlen = snprintf ( 335 symlen = snprintf (
269 sym, 336 sym,
270 sizeof (sym), 337 sizeof (sym),
271 "%s&=%d", 338 "%s&=%d",
272 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 339 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273 req->result 340 (int)req->result
274 ); 341 );
275 342
276 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 343 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277 fh = (SV *)gv; 344 fh = (SV *)gv;
278 } 345 }
466} 533}
467 534
468static SV * 535static SV *
469get_cb (SV *cb_sv) 536get_cb (SV *cb_sv)
470{ 537{
471 HV *st; 538 SvGETMAGIC (cb_sv);
472 GV *gvp; 539 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
473 CV *cv;
474
475 if (!SvOK (cb_sv))
476 return 0;
477
478 cv = sv_2cv (cb_sv, &st, &gvp, 0);
479
480 if (!cv)
481 croak ("IO::AIO callback must be undef or a CODE reference");
482
483 return (SV *)cv;
484} 540}
485 541
486#define dREQ \ 542#define dREQ \
487 SV *cb_cv; \ 543 SV *cb_cv; \
488 aio_req req; \ 544 aio_req req; \
504 SPAGAIN; \ 560 SPAGAIN; \
505 \ 561 \
506 if (GIMME_V != G_VOID) \ 562 if (GIMME_V != G_VOID) \
507 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 563 XPUSHs (req_sv (req, AIO_REQ_KLASS));
508 564
509static int
510extract_fd (SV *fh, int wr)
511{
512 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
513
514 if (fd < 0)
515 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
516
517 return fd;
518}
519
520MODULE = IO::AIO PACKAGE = IO::AIO 565MODULE = IO::AIO PACKAGE = IO::AIO
521 566
522PROTOTYPES: ENABLE 567PROTOTYPES: ENABLE
523 568
524BOOT: 569BOOT:
525{ 570{
526 stash = gv_stashpv ("IO::AIO", 1); 571 static const struct {
527 572 const char *name;
528 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 573 IV iv;
529 newCONSTSUB (stash, "ENOSYS", newSViv (ENOSYS)); 574 } *civ, const_iv[] = {
530 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 575# define const_iv(name, value) { # name, (IV) value },
531 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 576# define const_eio(name) { # name, (IV) EIO_ ## name },
532 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 577 const_iv (EXDEV , EXDEV)
533 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 578 const_iv (ENOSYS , ENOSYS)
579 const_iv (O_RDONLY, O_RDONLY)
580 const_iv (O_WRONLY, O_WRONLY)
581 const_iv (O_CREAT , O_CREAT)
582 const_iv (O_TRUNC , O_TRUNC)
534#ifndef _WIN32 583#ifndef _WIN32
535 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 584 const_iv (S_IFIFO , S_IFIFO)
536#endif 585#endif
537 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 586 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
538 newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); 587 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
539 newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); 588 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
540 newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); 589 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
590 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
591 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
541 592
593 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
594 const_eio (SYNC_FILE_RANGE_WRITE)
595 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
596
597 const_eio (READDIR_DENTS)
598 const_eio (READDIR_DIRS_FIRST)
599 const_eio (READDIR_STAT_ORDER)
600 const_eio (READDIR_FOUND_UNKNOWN)
601
602 const_eio (DT_UNKNOWN)
603 const_eio (DT_FIFO)
604 const_eio (DT_CHR)
605 const_eio (DT_DIR)
606 const_eio (DT_BLK)
607 const_eio (DT_REG)
608 const_eio (DT_LNK)
609 const_eio (DT_SOCK)
610 const_eio (DT_WHT)
611 };
612
613 stash = gv_stashpv ("IO::AIO", 1);
614
615 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
616 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
617
542 create_respipe (); 618 create_respipe ();
543 619
544 if (eio_init (want_poll, done_poll) < 0) 620 if (eio_init (want_poll, done_poll) < 0)
545 croak ("IO::AIO: unable to initialise eio library"); 621 croak ("IO::AIO: unable to initialise eio library");
546 622
547 /* atfork child called in fifo order, so before eio's handler */ 623 /* atfork child called in fifo order, so before eio's handler */
548 X_THREAD_ATFORK (0, 0, atfork_child); 624 X_THREAD_ATFORK (0, 0, atfork_child);
549} 625}
550 626
551void 627void
552max_poll_reqs (int nreqs) 628max_poll_reqs (int nreqs)
553 PROTOTYPE: $ 629 PROTOTYPE: $
606 ALIAS: 682 ALIAS:
607 aio_fsync = EIO_FSYNC 683 aio_fsync = EIO_FSYNC
608 aio_fdatasync = EIO_FDATASYNC 684 aio_fdatasync = EIO_FDATASYNC
609 PPCODE: 685 PPCODE:
610{ 686{
611 int fd = extract_fd (fh, 0); 687 int fd = s_fileno_croak (fh, 0);
612 dREQ; 688 dREQ;
613 689
614 req->type = ix; 690 req->type = ix;
615 req->sv1 = newSVsv (fh); 691 req->sv1 = newSVsv (fh);
616 req->int1 = fd; 692 req->int1 = fd;
617 693
618 REQ_SEND (req); 694 REQ_SEND (req);
619} 695}
620 696
621void 697void
622aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 698aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
623 PROTOTYPE: $$$$;$ 699 PROTOTYPE: $$$$;$
624 PPCODE: 700 PPCODE:
625{ 701{
626 int fd = extract_fd (fh, 0); 702 int fd = s_fileno_croak (fh, 0);
627 dREQ; 703 dREQ;
628 704
629 req->type = EIO_SYNC_FILE_RANGE; 705 req->type = EIO_SYNC_FILE_RANGE;
630 req->sv1 = newSVsv (fh); 706 req->sv1 = newSVsv (fh);
631 req->int1 = fd; 707 req->int1 = fd;
632 req->offs = SvVAL64 (offset); 708 req->offs = offset;
633 req->size = SvVAL64 (nbytes); 709 req->size = nbytes;
634 req->int2 = flags; 710 req->int2 = flags;
635 711
636 REQ_SEND (req); 712 REQ_SEND (req);
637} 713}
638 714
640aio_close (SV *fh, SV *callback=&PL_sv_undef) 716aio_close (SV *fh, SV *callback=&PL_sv_undef)
641 PROTOTYPE: $;$ 717 PROTOTYPE: $;$
642 PPCODE: 718 PPCODE:
643{ 719{
644 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 720 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
645 int fd = extract_fd (fh, 0); 721 int fd = s_fileno_croak (fh, 0);
646 dREQ; 722 dREQ;
647 723
648 if (close_pipe < 0) 724 if (close_pipe < 0)
649 { 725 {
650 int pipefd [2]; 726 int pipefd [2];
672 aio_write = EIO_WRITE 748 aio_write = EIO_WRITE
673 PROTOTYPE: $$$$$;$ 749 PROTOTYPE: $$$$$;$
674 PPCODE: 750 PPCODE:
675{ 751{
676 STRLEN svlen; 752 STRLEN svlen;
677 int fd = extract_fd (fh, ix == EIO_WRITE); 753 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
678 char *svptr = SvPVbyte (data, svlen); 754 char *svptr = SvPVbyte (data, svlen);
679 UV len = SvUV (length); 755 UV len = SvUV (length);
680 756
681 if (dataoffset < 0) 757 if (dataoffset < 0)
682 dataoffset += svlen; 758 dataoffset += svlen;
733 809
734 REQ_SEND; 810 REQ_SEND;
735} 811}
736 812
737void 813void
738aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 814aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
739 PROTOTYPE: $$$$;$ 815 PROTOTYPE: $$$$;$
740 PPCODE: 816 PPCODE:
741{ 817{
742 int ifd = extract_fd (in_fh , 0); 818 int ifd = s_fileno_croak (in_fh , 0);
743 int ofd = extract_fd (out_fh, 0); 819 int ofd = s_fileno_croak (out_fh, 1);
744 dREQ; 820 dREQ;
745 821
746 req->type = EIO_SENDFILE; 822 req->type = EIO_SENDFILE;
747 req->sv1 = newSVsv (out_fh); 823 req->sv1 = newSVsv (out_fh);
748 req->int1 = ofd; 824 req->int1 = ofd;
749 req->sv2 = newSVsv (in_fh); 825 req->sv2 = newSVsv (in_fh);
750 req->int2 = ifd; 826 req->int2 = ifd;
751 req->offs = SvVAL64 (in_offset); 827 req->offs = in_offset;
752 req->size = length; 828 req->size = length;
753 829
754 REQ_SEND; 830 REQ_SEND;
755} 831}
756 832
757void 833void
758aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 834aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
759 PROTOTYPE: $$$;$ 835 PROTOTYPE: $$$;$
760 PPCODE: 836 PPCODE:
761{ 837{
762 int fd = extract_fd (fh, 0); 838 int fd = s_fileno_croak (fh, 0);
763 dREQ; 839 dREQ;
764 840
765 req->type = EIO_READAHEAD; 841 req->type = EIO_READAHEAD;
766 req->sv1 = newSVsv (fh); 842 req->sv1 = newSVsv (fh);
767 req->int1 = fd; 843 req->int1 = fd;
768 req->offs = SvVAL64 (offset); 844 req->offs = offset;
769 req->size = length; 845 req->size = length;
770 846
771 REQ_SEND; 847 REQ_SEND;
772} 848}
773 849
889 req->type = EIO_FCHOWN; 965 req->type = EIO_FCHOWN;
890 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 966 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
891 } 967 }
892 968
893 REQ_SEND; 969 REQ_SEND;
970}
971
972void
973aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
974 PPCODE:
975{
976 dREQ;
977
978 req->type = EIO_READDIR;
979 req->sv1 = newSVsv (pathname);
980 req->ptr1 = SvPVbyte_nolen (req->sv1);
981 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
982
983 if (flags & EIO_READDIR_DENTS)
984 req->int1 |= EIO_READDIR_CUSTOM2;
985
986 REQ_SEND;
894} 987}
895 988
896void 989void
897aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 990aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
898 ALIAS: 991 ALIAS:
1076 CODE: 1169 CODE:
1077 RETVAL = eio_nthreads (); 1170 RETVAL = eio_nthreads ();
1078 OUTPUT: 1171 OUTPUT:
1079 RETVAL 1172 RETVAL
1080 1173
1174int
1175fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1176 PROTOTYPE: $$$$
1177 CODE:
1178#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1179 RETVAL = posix_fadvise (fh, offset, length, advice);
1180#else
1181 RETVAL = errno = ENOSYS;
1182#endif
1183 OUTPUT:
1184 RETVAL
1185
1186ssize_t
1187sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1188 PROTOTYPE: $$$$
1189 CODE:
1190 eio_sendfile_sync (ofh, ifh, offset, count);
1191
1081void _on_next_submit (SV *cb) 1192void _on_next_submit (SV *cb)
1082 CODE: 1193 CODE:
1083 SvREFCNT_dec (on_next_submit); 1194 SvREFCNT_dec (on_next_submit);
1084 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1195 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1085 1196
1099 if (GIMME_V != G_VOID) 1210 if (GIMME_V != G_VOID)
1100 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1211 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1101 1212
1102 if (items > 1) 1213 if (items > 1)
1103 { 1214 {
1104 SV *cb_cv = get_cb (callback); 1215 SV *cb_cv =get_cb (callback);
1105 1216
1106 SvREFCNT_dec (req->callback); 1217 SvREFCNT_dec (req->callback);
1107 req->callback = SvREFCNT_inc (cb_cv); 1218 req->callback = SvREFCNT_inc (cb_cv);
1108 } 1219 }
1109} 1220}
1146 AV *av; 1257 AV *av;
1147 1258
1148 grp->errorno = errno; 1259 grp->errorno = errno;
1149 1260
1150 av = newAV (); 1261 av = newAV ();
1262 av_extend (av, items - 1);
1151 1263
1152 for (i = 1; i < items; ++i ) 1264 for (i = 1; i < items; ++i )
1153 av_push (av, newSVsv (ST (i))); 1265 av_push (av, newSVsv (ST (i)));
1154 1266
1155 SvREFCNT_dec (grp->sv1); 1267 SvREFCNT_dec (grp->sv1);

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines