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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs.
Revision 1.179 by root, Fri Jan 7 21:47:15 2011 UTC

… …
11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
16#include <limits.h> 17#include <limits.h>
17#include <fcntl.h> 18#include <fcntl.h>
18#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
19 24
20/* perl namespace pollution */ 25/* perl namespace pollution */
21#undef VERSION 26#undef VERSION
22 27
23#ifdef _WIN32 28#ifdef _WIN32
… …
113 STRLEN stroffset; \ 118 STRLEN stroffset; \
114 SV *self; 119 SV *self;
115 120
116#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
117 122
123#include "libeio/config.h"
118#include "libeio/eio.h" 124#include "libeio/eio.h"
119 125
120#ifndef POSIX_FADV_NORMAL 126#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0 127# define POSIX_FADV_NORMAL 0
122# define NO_FADVISE 1
123#endif 128#endif
124
125#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
126# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
127#endif 131#endif
128
129#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
130# define POSIX_FADV_RANDOM 0 133# define POSIX_FADV_RANDOM 0
131#endif 134#endif
132
133#ifndef POSIX_FADV_NOREUSE 135#ifndef POSIX_FADV_NOREUSE
134# define POSIX_FADV_NOREUSE 0 136# define POSIX_FADV_NOREUSE 0
135#endif 137#endif
136
137#ifndef POSIX_FADV_WILLNEED 138#ifndef POSIX_FADV_WILLNEED
138# define POSIX_FADV_WILLNEED 0 139# define POSIX_FADV_WILLNEED 0
139#endif 140#endif
140
141#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 142# define POSIX_FADV_DONTNEED 0
143#endif
144
145#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif
148
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif
212
213#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON
216# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif
219#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235
236#ifndef PAGESIZE
237# define PAGESIZE sysconf (_SC_PAGESIZE)
143#endif 238#endif
144 239
145static int req_invoke (eio_req *req); 240static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 241#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 242static void req_destroy (eio_req *grp);
… …
239 } 334 }
240} 335}
241 336
242static int req_invoke (eio_req *req) 337static int req_invoke (eio_req *req)
243{ 338{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 339 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 340 SvREADONLY_off (req->sv2);
248 341
249 if (!EIO_CANCELLED (req) && req->callback) 342 if (!EIO_CANCELLED (req) && req->callback)
250 { 343 {
344 dSP;
345 static SV *sv_result_cache; /* caches the result integer SV */
346 SV *sv_result;
347
251 ENTER; 348 ENTER;
252 SAVETMPS; 349 SAVETMPS;
253 PUSHMARK (SP); 350 PUSHMARK (SP);
254 EXTEND (SP, 1); 351 EXTEND (SP, 1);
352
353 /* do not recreate the result IV from scratch each time */
354 if (expect_true (sv_result_cache))
355 {
356 sv_result = sv_result_cache; sv_result_cache = 0;
357 SvIV_set (sv_result, req->result);
358 SvIOK_only (sv_result);
359 }
360 else
361 {
362 sv_result = newSViv (req->result);
363 SvREADONLY_on (sv_result);
364 }
255 365
256 switch (req->type) 366 switch (req->type)
257 { 367 {
258 case EIO_READDIR: 368 case EIO_READDIR:
259 { 369 {
… …
345 455
346 PUSHs (fh); 456 PUSHs (fh);
347 } 457 }
348 break; 458 break;
349 459
460 case EIO_STATVFS:
461 case EIO_FSTATVFS:
462 {
463 SV *rv = &PL_sv_undef;
464
465 if (req->result >= 0)
466 {
467 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468 HV *hv = newHV ();
469
470 rv = sv_2mortal (newRV_noinc ((SV *)hv));
471
472 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
473 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
474 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
475 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
476 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
477 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
478 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
479 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
481 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483 }
484
485 PUSHs (rv);
486 }
487
488 break;
489
350 case EIO_GROUP: 490 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 491 req->int1 = 2; /* mark group as finished */
352 492
353 if (req->sv1) 493 if (req->sv1)
354 { 494 {
… …
374 case EIO_LSTAT: 514 case EIO_LSTAT:
375 case EIO_FSTAT: 515 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 517 PL_laststatval = req->result;
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 519 PUSHs (sv_result);
380 break; 520 break;
381 521
382 case EIO_READ: 522 case EIO_READ:
383 { 523 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 524 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 525 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 526 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 527 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 528 PUSHs (sv_result);
389 } 529 }
390 break; 530 break;
391 531
392 case EIO_DUP2: 532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393 if (req->result > 0) 533 if (req->result > 0)
394 req->result = 0; 534 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 535 /* FALLTHROUGH */
396 536
397 default: 537 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 538 PUSHs (sv_result);
399 break; 539 break;
400 } 540 }
401 541
402 errno = req->errorno; 542 errno = req->errorno;
403 543
404 PUTBACK; 544 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 545 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 546 SPAGAIN;
547
548 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
549 SvREFCNT_dec (sv_result);
550 else
551 sv_result_cache = sv_result;
407 552
408 FREETMPS; 553 FREETMPS;
409 LEAVE; 554 LEAVE;
410 555
411 PUTBACK; 556 PUTBACK;
… …
486 631
487static void atfork_child (void) 632static void atfork_child (void)
488{ 633{
489 create_respipe (); 634 create_respipe ();
490} 635}
636
637/*****************************************************************************/
638
639#if !_POSIX_MAPPED_FILES
640# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
641# define munmap(addr,length) (errno = ENOSYS, -1)
642#endif
643
644#if !_POSIX_MEMORY_PROTECTION
645# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
646# define PROT_NONE 0
647# define PROT_WRITE 0
648# define MAP_PRIVATE 0
649# define MAP_SHARED 0
650# define MAP_FIXED 0
651#endif
652
653#define MMAP_MAGIC PERL_MAGIC_ext
654
655static int
656mmap_free (pTHX_ SV *sv, MAGIC *mg)
657{
658 int old_errno = errno;
659 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
660 errno = old_errno;
661
662 mg->mg_obj = 0; /* just in case */
663
664 SvREADONLY_off (sv);
665
666 if (SvPVX (sv) != mg->mg_ptr)
667 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
668
669 SvCUR_set (sv, 0);
670 SvPVX (sv) = 0;
671 SvOK_off (sv);
672
673 return 0;
674}
675
676static MGVTBL mmap_vtbl = {
677 0, 0, 0, 0, mmap_free
678};
679
680/*****************************************************************************/
491 681
492static SV * 682static SV *
493get_cb (SV *cb_sv) 683get_cb (SV *cb_sv)
494{ 684{
495 SvGETMAGIC (cb_sv); 685 SvGETMAGIC (cb_sv);
… …
527{ 717{
528 static const struct { 718 static const struct {
529 const char *name; 719 const char *name;
530 IV iv; 720 IV iv;
531 } *civ, const_iv[] = { 721 } *civ, const_iv[] = {
532# define const_iv(name, value) { # name, (IV) value }, 722# define const_niv(name, value) { # name, (IV) value },
723# define const_iv(name) { # name, (IV) name },
533# define const_eio(name) { # name, (IV) EIO_ ## name }, 724# define const_eio(name) { # name, (IV) EIO_ ## name },
534 const_iv (EXDEV , EXDEV) 725 const_iv (EXDEV)
535 const_iv (ENOSYS , ENOSYS) 726 const_iv (ENOSYS)
536 const_iv (O_RDONLY, O_RDONLY) 727 const_iv (O_RDONLY)
537 const_iv (O_WRONLY, O_WRONLY) 728 const_iv (O_WRONLY)
729 const_iv (O_RDWR)
538 const_iv (O_CREAT , O_CREAT) 730 const_iv (O_CREAT)
539 const_iv (O_TRUNC , O_TRUNC) 731 const_iv (O_TRUNC)
732 const_iv (O_EXCL)
733 const_iv (O_APPEND)
540#ifndef _WIN32 734#ifndef _WIN32
541 const_iv (S_IFIFO , S_IFIFO) 735 const_iv (S_IFIFO)
542#endif 736#endif
543 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 737 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 738 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 739 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 740 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 741 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 742 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
743
744 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
745 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
746 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
747 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
748 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
749
750 const_iv (ST_RDONLY)
751 const_iv (ST_NOSUID)
752 const_iv (ST_NODEV)
753 const_iv (ST_NOEXEC)
754 const_iv (ST_SYNCHRONOUS)
755 const_iv (ST_MANDLOCK)
756 const_iv (ST_WRITE)
757 const_iv (ST_APPEND)
758 const_iv (ST_IMMUTABLE)
759 const_iv (ST_NOATIME)
760 const_iv (ST_NODIRATIME)
761 const_iv (ST_RELATIME)
762
763 const_iv (PROT_NONE)
764 const_iv (PROT_EXEC)
765 const_iv (PROT_READ)
766 const_iv (PROT_WRITE)
767
768 /*const_iv (MAP_FIXED)*/
769 const_iv (MAP_PRIVATE)
770 const_iv (MAP_SHARED)
771 const_iv (MAP_ANONYMOUS)
772
773 /* linuxish */
774 const_iv (MAP_HUGETLB)
775 const_iv (MAP_LOCKED)
776 const_iv (MAP_NORESERVE)
777 const_iv (MAP_POPULATE)
778 const_iv (MAP_NONBLOCK)
779
780 const_eio (MCL_FUTURE)
781 const_eio (MCL_CURRENT)
549 782
550 const_eio (MS_ASYNC) 783 const_eio (MS_ASYNC)
551 const_eio (MS_INVALIDATE) 784 const_eio (MS_INVALIDATE)
552 const_eio (MS_SYNC) 785 const_eio (MS_SYNC)
553 786
… …
578 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 811 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
579 812
580 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 813 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
581 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 814 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
582 815
816 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
817
583 create_respipe (); 818 create_respipe ();
584 819
585 if (eio_init (want_poll, done_poll) < 0) 820 if (eio_init (want_poll, done_poll) < 0)
586 croak ("IO::AIO: unable to initialise eio library"); 821 croak ("IO::AIO: unable to initialise eio library");
587 822
… …
625 CODE: 860 CODE:
626 max_outstanding = maxreqs; 861 max_outstanding = maxreqs;
627 862
628void 863void
629aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 864aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
630 PROTOTYPE: $$$;$
631 PPCODE: 865 PPCODE:
632{ 866{
633 dREQ; 867 dREQ;
634 868
635 req->type = EIO_OPEN; 869 req->type = EIO_OPEN;
… …
641 REQ_SEND; 875 REQ_SEND;
642} 876}
643 877
644void 878void
645aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 879aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
646 PROTOTYPE: $;$
647 ALIAS: 880 ALIAS:
648 aio_fsync = EIO_FSYNC 881 aio_fsync = EIO_FSYNC
649 aio_fdatasync = EIO_FDATASYNC 882 aio_fdatasync = EIO_FDATASYNC
650 PPCODE: 883 PPCODE:
651{ 884{
… …
659 REQ_SEND (req); 892 REQ_SEND (req);
660} 893}
661 894
662void 895void
663aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 896aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
664 PROTOTYPE: $$$$;$
665 PPCODE: 897 PPCODE:
666{ 898{
667 int fd = s_fileno_croak (fh, 0); 899 int fd = s_fileno_croak (fh, 0);
668 dREQ; 900 dREQ;
669 901
… …
677 REQ_SEND (req); 909 REQ_SEND (req);
678} 910}
679 911
680void 912void
681aio_close (SV *fh, SV *callback=&PL_sv_undef) 913aio_close (SV *fh, SV *callback=&PL_sv_undef)
682 PROTOTYPE: $;$
683 PPCODE: 914 PPCODE:
684{ 915{
685 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 916 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
686 int fd = s_fileno_croak (fh, 0); 917 int fd = s_fileno_croak (fh, 0);
687 dREQ; 918 dREQ;
… …
709void 940void
710aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 941aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
711 ALIAS: 942 ALIAS:
712 aio_read = EIO_READ 943 aio_read = EIO_READ
713 aio_write = EIO_WRITE 944 aio_write = EIO_WRITE
714 PROTOTYPE: $$$$$;$
715 PPCODE: 945 PPCODE:
716{ 946{
717 STRLEN svlen; 947 STRLEN svlen;
718 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 948 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
719 char *svptr = SvPVbyte (data, svlen); 949 char *svptr = SvPVbyte (data, svlen);
… …
760 } 990 }
761} 991}
762 992
763void 993void
764aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 994aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
765 PROTOTYPE: $$;$
766 PPCODE: 995 PPCODE:
767{ 996{
768 SV *data; 997 SV *data;
769 dREQ; 998 dREQ;
770 999
… …
775 REQ_SEND; 1004 REQ_SEND;
776} 1005}
777 1006
778void 1007void
779aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1008aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
780 PROTOTYPE: $$$$;$
781 PPCODE: 1009 PPCODE:
782{ 1010{
783 int ifd = s_fileno_croak (in_fh , 0); 1011 int ifd = s_fileno_croak (in_fh , 0);
784 int ofd = s_fileno_croak (out_fh, 1); 1012 int ofd = s_fileno_croak (out_fh, 1);
785 dREQ; 1013 dREQ;
… …
795 REQ_SEND; 1023 REQ_SEND;
796} 1024}
797 1025
798void 1026void
799aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1027aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
800 PROTOTYPE: $$$;$
801 PPCODE: 1028 PPCODE:
802{ 1029{
803 int fd = s_fileno_croak (fh, 0); 1030 int fd = s_fileno_croak (fh, 0);
804 dREQ; 1031 dREQ;
805 1032
… …
813} 1040}
814 1041
815void 1042void
816aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1043aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
817 ALIAS: 1044 ALIAS:
818 aio_stat = EIO_STAT 1045 aio_stat = EIO_STAT
819 aio_lstat = EIO_LSTAT 1046 aio_lstat = EIO_LSTAT
1047 aio_statvfs = EIO_STATVFS
820 PPCODE: 1048 PPCODE:
821{ 1049{
822 dREQ; 1050 dREQ;
823 1051
824 req->sv1 = newSVsv (fh_or_path); 1052 req->sv1 = newSVsv (fh_or_path);
… …
828 req->type = ix; 1056 req->type = ix;
829 req->ptr1 = SvPVbyte_nolen (req->sv1); 1057 req->ptr1 = SvPVbyte_nolen (req->sv1);
830 } 1058 }
831 else 1059 else
832 { 1060 {
833 req->type = EIO_FSTAT; 1061 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
834 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1062 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
835 } 1063 }
836 1064
837 REQ_SEND; 1065 REQ_SEND;
838} 1066}
… …
1005void 1233void
1006aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1234aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1007 ALIAS: 1235 ALIAS:
1008 aio_mtouch = EIO_MTOUCH 1236 aio_mtouch = EIO_MTOUCH
1009 aio_msync = EIO_MSYNC 1237 aio_msync = EIO_MSYNC
1010 PROTOTYPE: $$$$;$
1011 PPCODE: 1238 PPCODE:
1012{ 1239{
1013 STRLEN svlen; 1240 STRLEN svlen;
1241 char *svptr = SvPVbyte (data, svlen);
1014 UV len = SvUV (length); 1242 UV len = SvUV (length);
1015 char *svptr = SvPVbyte (data, svlen);
1016 1243
1017 if (offset < 0) 1244 if (offset < 0)
1018 offset += svlen; 1245 offset += svlen;
1019 1246
1020 if (offset < 0 || offset > svlen) 1247 if (offset < 0 || offset > svlen)
… …
1025 1252
1026 { 1253 {
1027 dREQ; 1254 dREQ;
1028 1255
1029 req->type = ix; 1256 req->type = ix;
1030 req->size = len;
1031 req->sv2 = SvREFCNT_inc (data); 1257 req->sv2 = SvREFCNT_inc (data);
1032 req->ptr2 = (char *)svptr + offset; 1258 req->ptr2 = (char *)svptr + offset;
1259 req->size = len;
1033 req->int1 = flags; 1260 req->int1 = flags;
1034 1261
1035 REQ_SEND; 1262 REQ_SEND;
1036 } 1263 }
1037} 1264}
1038 1265
1039void 1266void
1267aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1268 PPCODE:
1269{
1270 STRLEN svlen;
1271 char *svptr = SvPVbyte (data, svlen);
1272 UV len = SvUV (length);
1273
1274 if (offset < 0)
1275 offset += svlen;
1276
1277 if (offset < 0 || offset > svlen)
1278 croak ("offset outside of scalar");
1279
1280 if (!SvOK (length) || len + offset > svlen)
1281 len = svlen - offset;
1282
1283 {
1284 dREQ;
1285
1286 req->type = EIO_MLOCK;
1287 req->sv2 = SvREFCNT_inc (data);
1288 req->ptr2 = (char *)svptr + offset;
1289 req->size = len;
1290
1291 REQ_SEND;
1292 }
1293}
1294
1295void
1296aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1297 PPCODE:
1298{
1299 dREQ;
1300
1301 req->type = EIO_MLOCKALL;
1302 req->int1 = flags;
1303
1304 REQ_SEND;
1305}
1306
1307void
1040aio_busy (double delay, SV *callback=&PL_sv_undef) 1308aio_busy (double delay, SV *callback=&PL_sv_undef)
1041 PPCODE: 1309 PPCODE:
1042{ 1310{
1043 dREQ; 1311 dREQ;
1044 1312
… …
1048 REQ_SEND; 1316 REQ_SEND;
1049} 1317}
1050 1318
1051void 1319void
1052aio_group (SV *callback=&PL_sv_undef) 1320aio_group (SV *callback=&PL_sv_undef)
1053 PROTOTYPE: ;$
1054 PPCODE: 1321 PPCODE:
1055{ 1322{
1056 dREQ; 1323 dREQ;
1057 1324
1058 req->type = EIO_GROUP; 1325 req->type = EIO_GROUP;
… …
1075 REQ_SEND; 1342 REQ_SEND;
1076} 1343}
1077 1344
1078int 1345int
1079aioreq_pri (int pri = 0) 1346aioreq_pri (int pri = 0)
1080 PROTOTYPE: ;$
1081 CODE: 1347 CODE:
1082 RETVAL = next_pri; 1348 RETVAL = next_pri;
1083 if (items > 0) 1349 if (items > 0)
1084 { 1350 {
1085 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1351 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1097 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1363 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1098 next_pri = nice; 1364 next_pri = nice;
1099 1365
1100void 1366void
1101flush () 1367flush ()
1102 PROTOTYPE:
1103 CODE: 1368 CODE:
1104 while (eio_nreqs ()) 1369 while (eio_nreqs ())
1105 { 1370 {
1106 poll_wait (); 1371 poll_wait ();
1107 poll_cb (); 1372 poll_cb ();
1108 } 1373 }
1109 1374
1110int 1375int
1111poll() 1376poll ()
1112 PROTOTYPE:
1113 CODE: 1377 CODE:
1114 poll_wait (); 1378 poll_wait ();
1115 RETVAL = poll_cb (); 1379 RETVAL = poll_cb ();
1116 OUTPUT: 1380 OUTPUT:
1117 RETVAL 1381 RETVAL
1118 1382
1119int 1383int
1120poll_fileno() 1384poll_fileno ()
1121 PROTOTYPE:
1122 CODE: 1385 CODE:
1123 RETVAL = s_epipe_fd (&respipe); 1386 RETVAL = s_epipe_fd (&respipe);
1124 OUTPUT: 1387 OUTPUT:
1125 RETVAL 1388 RETVAL
1126 1389
1127int 1390int
1128poll_cb(...) 1391poll_cb (...)
1129 PROTOTYPE: 1392 PROTOTYPE:
1130 CODE: 1393 CODE:
1131 RETVAL = poll_cb (); 1394 RETVAL = poll_cb ();
1132 OUTPUT: 1395 OUTPUT:
1133 RETVAL 1396 RETVAL
1134 1397
1135void 1398void
1136poll_wait() 1399poll_wait ()
1137 PROTOTYPE:
1138 CODE: 1400 CODE:
1139 poll_wait (); 1401 poll_wait ();
1140 1402
1141int 1403int
1142nreqs() 1404nreqs ()
1143 PROTOTYPE:
1144 CODE: 1405 CODE:
1145 RETVAL = eio_nreqs (); 1406 RETVAL = eio_nreqs ();
1146 OUTPUT: 1407 OUTPUT:
1147 RETVAL 1408 RETVAL
1148 1409
1149int 1410int
1150nready() 1411nready ()
1151 PROTOTYPE:
1152 CODE: 1412 CODE:
1153 RETVAL = eio_nready (); 1413 RETVAL = eio_nready ();
1154 OUTPUT: 1414 OUTPUT:
1155 RETVAL 1415 RETVAL
1156 1416
1157int 1417int
1158npending() 1418npending ()
1159 PROTOTYPE:
1160 CODE: 1419 CODE:
1161 RETVAL = eio_npending (); 1420 RETVAL = eio_npending ();
1162 OUTPUT: 1421 OUTPUT:
1163 RETVAL 1422 RETVAL
1164 1423
1165int 1424int
1166nthreads() 1425nthreads ()
1167 PROTOTYPE:
1168 CODE: 1426 CODE:
1169 RETVAL = eio_nthreads (); 1427 RETVAL = eio_nthreads ();
1170 OUTPUT: 1428 OUTPUT:
1171 RETVAL 1429 RETVAL
1172 1430
1173int 1431int
1174fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1432fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1175 PROTOTYPE: $$$$
1176 CODE: 1433 CODE:
1177#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1178 RETVAL = posix_fadvise (fh, offset, length, advice); 1434 RETVAL = posix_fadvise (fh, offset, length, advice);
1179#else
1180 RETVAL = errno = ENOSYS;
1181#endif
1182 OUTPUT: 1435 OUTPUT:
1183 RETVAL 1436 RETVAL
1184 1437
1185ssize_t 1438ssize_t
1186sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1439sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1187 PROTOTYPE: $$$$
1188 CODE: 1440 CODE:
1189 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1441 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1190 OUTPUT: 1442 OUTPUT:
1191 RETVAL 1443 RETVAL
1192 1444
1445void
1446mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1447 PPCODE:
1448 sv_unmagic (scalar, MMAP_MAGIC);
1449{
1450 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1451 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1452 if (addr == (void *)-1)
1453 XSRETURN_NO;
1454
1455 sv_force_normal (scalar);
1456
1457 /* we store the length in mg_obj, as namlen is I32 :/ */
1458 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1459 ->mg_obj = (SV *)length;
1460
1461 SvUPGRADE (scalar, SVt_PV); /* nop... */
1462
1463 if (!(prot & PROT_WRITE))
1464 SvREADONLY_on (scalar);
1465
1466 if (SvLEN (scalar))
1467 Safefree (SvPVX (scalar));
1468
1469 SvPVX (scalar) = (char *)addr;
1470 SvCUR_set (scalar, length);
1471 SvLEN_set (scalar, 0);
1472 SvPOK_only (scalar);
1473
1474 XSRETURN_YES;
1475}
1476
1477void
1478munmap (SV *scalar)
1479 CODE:
1480 sv_unmagic (scalar, MMAP_MAGIC);
1481
1482int
1483madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1484 ALIAS:
1485 mprotect = 1
1486 CODE:
1487{
1488 STRLEN svlen;
1489 void *addr = SvPVbyte (scalar, svlen);
1490 size_t len = SvUV (length);
1491
1492 if (offset < 0)
1493 offset += svlen;
1494
1495 if (offset < 0 || offset > svlen)
1496 croak ("offset outside of scalar");
1497
1498 if (!SvOK (length) || len + offset > svlen)
1499 len = svlen - offset;
1500
1501 addr = (void *)(((intptr_t)addr) + offset);
1502 eio_page_align (&addr, &len);
1503
1504 switch (ix)
1505 {
1506 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1507 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1508 }
1509}
1510 OUTPUT:
1511 RETVAL
1512
1513int
1514munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1515 CODE:
1516{
1517 STRLEN svlen;
1518 void *addr = SvPVbyte (scalar, svlen);
1519 size_t len = SvUV (length);
1520
1521 if (offset < 0)
1522 offset += svlen;
1523
1524 if (offset < 0 || offset > svlen)
1525 croak ("offset outside of scalar");
1526
1527 if (!SvOK (length) || len + offset > svlen)
1528 len = svlen - offset;
1529
1530 addr = (void *)(((intptr_t)addr) + offset);
1531 eio_page_align (&addr, &len);
1532#if _POSIX_MEMLOCK_RANGE
1533 RETVAL = munlock (addr, len);
1534#else
1535 RETVAL = ((errno = ENOSYS), -1);
1536#endif
1537}
1538 OUTPUT:
1539 RETVAL
1540
1541int
1542munlockall ()
1543 CODE:
1544#if _POSIX_MEMLOCK
1545 munlockall ();
1546#else
1547 RETVAL = -1;
1548 errno = ENOSYS;
1549#endif
1550 OUTPUT:
1551 RETVAL
1552
1193void _on_next_submit (SV *cb) 1553void _on_next_submit (SV *cb)
1194 CODE: 1554 CODE:
1195 SvREFCNT_dec (on_next_submit); 1555 SvREFCNT_dec (on_next_submit);
1196 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1556 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1197 1557

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