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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 1.176 by root, Thu Dec 2 10:04:47 2010 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_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 }
359 else
360 {
361 sv_result = newSViv (req->result);
362 SvREADONLY_on (sv_result);
363 }
255 364
256 switch (req->type) 365 switch (req->type)
257 { 366 {
258 case EIO_READDIR: 367 case EIO_READDIR:
259 { 368 {
… …
345 454
346 PUSHs (fh); 455 PUSHs (fh);
347 } 456 }
348 break; 457 break;
349 458
459 case EIO_STATVFS:
460 case EIO_FSTATVFS:
461 {
462 SV *rv = &PL_sv_undef;
463
464 if (req->result >= 0)
465 {
466 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
467 HV *hv = newHV ();
468
469 rv = sv_2mortal (newRV_noinc ((SV *)hv));
470
471 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
472 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
473 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
474 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
475 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
476 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
477 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
478 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
479 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
480 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
481 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
482 }
483
484 PUSHs (rv);
485 }
486
487 break;
488
350 case EIO_GROUP: 489 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 490 req->int1 = 2; /* mark group as finished */
352 491
353 if (req->sv1) 492 if (req->sv1)
354 { 493 {
… …
374 case EIO_LSTAT: 513 case EIO_LSTAT:
375 case EIO_FSTAT: 514 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 515 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 516 PL_laststatval = req->result;
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 517 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 518 PUSHs (sv_result);
380 break; 519 break;
381 520
382 case EIO_READ: 521 case EIO_READ:
383 { 522 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 523 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 524 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 525 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 526 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 527 PUSHs (sv_result);
389 } 528 }
390 break; 529 break;
391 530
392 case EIO_DUP2: 531 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
393 if (req->result > 0) 532 if (req->result > 0)
394 req->result = 0; 533 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 534 /* FALLTHROUGH */
396 535
397 default: 536 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 537 PUSHs (sv_result);
399 break; 538 break;
400 } 539 }
401 540
402 errno = req->errorno; 541 errno = req->errorno;
403 542
404 PUTBACK; 543 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 544 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 545 SPAGAIN;
546
547 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
548 SvREFCNT_dec (sv_result);
549 else
550 sv_result_cache = sv_result;
407 551
408 FREETMPS; 552 FREETMPS;
409 LEAVE; 553 LEAVE;
410 554
411 PUTBACK; 555 PUTBACK;
… …
486 630
487static void atfork_child (void) 631static void atfork_child (void)
488{ 632{
489 create_respipe (); 633 create_respipe ();
490} 634}
635
636/*****************************************************************************/
637
638#if !_POSIX_MAPPED_FILES
639# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
640# define munmap(addr,length) (errno = ENOSYS, -1)
641# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
642# define PROT_NONE 0
643# define PROT_WRITE 0
644# define MAP_PRIVATE 0
645# define MAP_SHARED 0
646# define MAP_FIXED 0
647#endif
648
649#define MMAP_MAGIC PERL_MAGIC_ext
650
651static int
652mmap_free (pTHX_ SV *sv, MAGIC *mg)
653{
654 int old_errno = errno;
655 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
656 errno = old_errno;
657
658 mg->mg_obj = 0; /* just in case */
659
660 SvREADONLY_off (sv);
661
662 if (SvPVX (sv) != mg->mg_ptr)
663 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
664
665 SvCUR_set (sv, 0);
666 SvPVX (sv) = 0;
667 SvOK_off (sv);
668
669 return 0;
670}
671
672static MGVTBL mmap_vtbl = {
673 0, 0, 0, 0, mmap_free
674};
675
676/*****************************************************************************/
491 677
492static SV * 678static SV *
493get_cb (SV *cb_sv) 679get_cb (SV *cb_sv)
494{ 680{
495 SvGETMAGIC (cb_sv); 681 SvGETMAGIC (cb_sv);
… …
527{ 713{
528 static const struct { 714 static const struct {
529 const char *name; 715 const char *name;
530 IV iv; 716 IV iv;
531 } *civ, const_iv[] = { 717 } *civ, const_iv[] = {
532# define const_iv(name, value) { # name, (IV) value }, 718# define const_niv(name, value) { # name, (IV) value },
719# define const_iv(name) { # name, (IV) name },
533# define const_eio(name) { # name, (IV) EIO_ ## name }, 720# define const_eio(name) { # name, (IV) EIO_ ## name },
534 const_iv (EXDEV , EXDEV) 721 const_iv (EXDEV)
535 const_iv (ENOSYS , ENOSYS) 722 const_iv (ENOSYS)
536 const_iv (O_RDONLY, O_RDONLY) 723 const_iv (O_RDONLY)
537 const_iv (O_WRONLY, O_WRONLY) 724 const_iv (O_WRONLY)
725 const_iv (O_RDWR)
538 const_iv (O_CREAT , O_CREAT) 726 const_iv (O_CREAT)
539 const_iv (O_TRUNC , O_TRUNC) 727 const_iv (O_TRUNC)
728 const_iv (O_EXCL)
729 const_iv (O_APPEND)
540#ifndef _WIN32 730#ifndef _WIN32
541 const_iv (S_IFIFO , S_IFIFO) 731 const_iv (S_IFIFO)
542#endif 732#endif
543 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 733 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 734 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 735 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 736 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 737 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 738 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
739
740 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
741 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
742 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
743 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
744 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
745
746 const_iv (ST_RDONLY)
747 const_iv (ST_NOSUID)
748 const_iv (ST_NODEV)
749 const_iv (ST_NOEXEC)
750 const_iv (ST_SYNCHRONOUS)
751 const_iv (ST_MANDLOCK)
752 const_iv (ST_WRITE)
753 const_iv (ST_APPEND)
754 const_iv (ST_IMMUTABLE)
755 const_iv (ST_NOATIME)
756 const_iv (ST_NODIRATIME)
757 const_iv (ST_RELATIME)
758
759 const_iv (PROT_NONE)
760 const_iv (PROT_EXEC)
761 const_iv (PROT_READ)
762 const_iv (PROT_WRITE)
763
764 /*const_iv (MAP_FIXED)*/
765 const_iv (MAP_PRIVATE)
766 const_iv (MAP_SHARED)
767 const_iv (MAP_ANONYMOUS)
768
769 /* linuxish */
770 const_iv (MAP_HUGETLB)
771 const_iv (MAP_LOCKED)
772 const_iv (MAP_NORESERVE)
773 const_iv (MAP_POPULATE)
774 const_iv (MAP_NONBLOCK)
775
776 const_eio (MCL_FUTURE)
777 const_eio (MCL_CURRENT)
549 778
550 const_eio (MS_ASYNC) 779 const_eio (MS_ASYNC)
551 const_eio (MS_INVALIDATE) 780 const_eio (MS_INVALIDATE)
552 const_eio (MS_SYNC) 781 const_eio (MS_SYNC)
553 782
… …
578 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 807 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
579 808
580 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 809 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
581 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 810 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
582 811
812 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
813
583 create_respipe (); 814 create_respipe ();
584 815
585 if (eio_init (want_poll, done_poll) < 0) 816 if (eio_init (want_poll, done_poll) < 0)
586 croak ("IO::AIO: unable to initialise eio library"); 817 croak ("IO::AIO: unable to initialise eio library");
587 818
… …
625 CODE: 856 CODE:
626 max_outstanding = maxreqs; 857 max_outstanding = maxreqs;
627 858
628void 859void
629aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 860aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
630 PROTOTYPE: $$$;$
631 PPCODE: 861 PPCODE:
632{ 862{
633 dREQ; 863 dREQ;
634 864
635 req->type = EIO_OPEN; 865 req->type = EIO_OPEN;
… …
641 REQ_SEND; 871 REQ_SEND;
642} 872}
643 873
644void 874void
645aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 875aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
646 PROTOTYPE: $;$
647 ALIAS: 876 ALIAS:
648 aio_fsync = EIO_FSYNC 877 aio_fsync = EIO_FSYNC
649 aio_fdatasync = EIO_FDATASYNC 878 aio_fdatasync = EIO_FDATASYNC
650 PPCODE: 879 PPCODE:
651{ 880{
… …
659 REQ_SEND (req); 888 REQ_SEND (req);
660} 889}
661 890
662void 891void
663aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 892aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
664 PROTOTYPE: $$$$;$
665 PPCODE: 893 PPCODE:
666{ 894{
667 int fd = s_fileno_croak (fh, 0); 895 int fd = s_fileno_croak (fh, 0);
668 dREQ; 896 dREQ;
669 897
… …
677 REQ_SEND (req); 905 REQ_SEND (req);
678} 906}
679 907
680void 908void
681aio_close (SV *fh, SV *callback=&PL_sv_undef) 909aio_close (SV *fh, SV *callback=&PL_sv_undef)
682 PROTOTYPE: $;$
683 PPCODE: 910 PPCODE:
684{ 911{
685 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 912 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
686 int fd = s_fileno_croak (fh, 0); 913 int fd = s_fileno_croak (fh, 0);
687 dREQ; 914 dREQ;
… …
709void 936void
710aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 937aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
711 ALIAS: 938 ALIAS:
712 aio_read = EIO_READ 939 aio_read = EIO_READ
713 aio_write = EIO_WRITE 940 aio_write = EIO_WRITE
714 PROTOTYPE: $$$$$;$
715 PPCODE: 941 PPCODE:
716{ 942{
717 STRLEN svlen; 943 STRLEN svlen;
718 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 944 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
719 char *svptr = SvPVbyte (data, svlen); 945 char *svptr = SvPVbyte (data, svlen);
… …
760 } 986 }
761} 987}
762 988
763void 989void
764aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 990aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
765 PROTOTYPE: $$;$
766 PPCODE: 991 PPCODE:
767{ 992{
768 SV *data; 993 SV *data;
769 dREQ; 994 dREQ;
770 995
… …
775 REQ_SEND; 1000 REQ_SEND;
776} 1001}
777 1002
778void 1003void
779aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1004aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
780 PROTOTYPE: $$$$;$
781 PPCODE: 1005 PPCODE:
782{ 1006{
783 int ifd = s_fileno_croak (in_fh , 0); 1007 int ifd = s_fileno_croak (in_fh , 0);
784 int ofd = s_fileno_croak (out_fh, 1); 1008 int ofd = s_fileno_croak (out_fh, 1);
785 dREQ; 1009 dREQ;
… …
795 REQ_SEND; 1019 REQ_SEND;
796} 1020}
797 1021
798void 1022void
799aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1023aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
800 PROTOTYPE: $$$;$
801 PPCODE: 1024 PPCODE:
802{ 1025{
803 int fd = s_fileno_croak (fh, 0); 1026 int fd = s_fileno_croak (fh, 0);
804 dREQ; 1027 dREQ;
805 1028
… …
813} 1036}
814 1037
815void 1038void
816aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1039aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
817 ALIAS: 1040 ALIAS:
818 aio_stat = EIO_STAT 1041 aio_stat = EIO_STAT
819 aio_lstat = EIO_LSTAT 1042 aio_lstat = EIO_LSTAT
1043 aio_statvfs = EIO_STATVFS
820 PPCODE: 1044 PPCODE:
821{ 1045{
822 dREQ; 1046 dREQ;
823 1047
824 req->sv1 = newSVsv (fh_or_path); 1048 req->sv1 = newSVsv (fh_or_path);
… …
828 req->type = ix; 1052 req->type = ix;
829 req->ptr1 = SvPVbyte_nolen (req->sv1); 1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
830 } 1054 }
831 else 1055 else
832 { 1056 {
833 req->type = EIO_FSTAT; 1057 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
834 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1058 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
835 } 1059 }
836 1060
837 REQ_SEND; 1061 REQ_SEND;
838} 1062}
… …
1005void 1229void
1006aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1230aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1007 ALIAS: 1231 ALIAS:
1008 aio_mtouch = EIO_MTOUCH 1232 aio_mtouch = EIO_MTOUCH
1009 aio_msync = EIO_MSYNC 1233 aio_msync = EIO_MSYNC
1010 PROTOTYPE: $$$$;$
1011 PPCODE: 1234 PPCODE:
1012{ 1235{
1013 STRLEN svlen; 1236 STRLEN svlen;
1237 char *svptr = SvPVbyte (data, svlen);
1014 UV len = SvUV (length); 1238 UV len = SvUV (length);
1015 char *svptr = SvPVbyte (data, svlen);
1016 1239
1017 if (offset < 0) 1240 if (offset < 0)
1018 offset += svlen; 1241 offset += svlen;
1019 1242
1020 if (offset < 0 || offset > svlen) 1243 if (offset < 0 || offset > svlen)
… …
1025 1248
1026 { 1249 {
1027 dREQ; 1250 dREQ;
1028 1251
1029 req->type = ix; 1252 req->type = ix;
1030 req->size = len;
1031 req->sv2 = SvREFCNT_inc (data); 1253 req->sv2 = SvREFCNT_inc (data);
1032 req->ptr2 = (char *)svptr + offset; 1254 req->ptr2 = (char *)svptr + offset;
1255 req->size = len;
1033 req->int1 = flags; 1256 req->int1 = flags;
1034 1257
1035 REQ_SEND; 1258 REQ_SEND;
1036 } 1259 }
1037} 1260}
1038 1261
1039void 1262void
1263aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1264 PPCODE:
1265{
1266 STRLEN svlen;
1267 char *svptr = SvPVbyte (data, svlen);
1268 UV len = SvUV (length);
1269
1270 if (offset < 0)
1271 offset += svlen;
1272
1273 if (offset < 0 || offset > svlen)
1274 croak ("offset outside of scalar");
1275
1276 if (!SvOK (length) || len + offset > svlen)
1277 len = svlen - offset;
1278
1279 {
1280 dREQ;
1281
1282 req->type = EIO_MLOCK;
1283 req->sv2 = SvREFCNT_inc (data);
1284 req->ptr2 = (char *)svptr + offset;
1285 req->size = len;
1286
1287 REQ_SEND;
1288 }
1289}
1290
1291void
1292aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1293 PPCODE:
1294{
1295 dREQ;
1296
1297 req->type = EIO_MLOCKALL;
1298 req->int1 = flags;
1299
1300 REQ_SEND;
1301}
1302
1303void
1040aio_busy (double delay, SV *callback=&PL_sv_undef) 1304aio_busy (double delay, SV *callback=&PL_sv_undef)
1041 PPCODE: 1305 PPCODE:
1042{ 1306{
1043 dREQ; 1307 dREQ;
1044 1308
… …
1048 REQ_SEND; 1312 REQ_SEND;
1049} 1313}
1050 1314
1051void 1315void
1052aio_group (SV *callback=&PL_sv_undef) 1316aio_group (SV *callback=&PL_sv_undef)
1053 PROTOTYPE: ;$
1054 PPCODE: 1317 PPCODE:
1055{ 1318{
1056 dREQ; 1319 dREQ;
1057 1320
1058 req->type = EIO_GROUP; 1321 req->type = EIO_GROUP;
… …
1075 REQ_SEND; 1338 REQ_SEND;
1076} 1339}
1077 1340
1078int 1341int
1079aioreq_pri (int pri = 0) 1342aioreq_pri (int pri = 0)
1080 PROTOTYPE: ;$
1081 CODE: 1343 CODE:
1082 RETVAL = next_pri; 1344 RETVAL = next_pri;
1083 if (items > 0) 1345 if (items > 0)
1084 { 1346 {
1085 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1347 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1097 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1359 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1098 next_pri = nice; 1360 next_pri = nice;
1099 1361
1100void 1362void
1101flush () 1363flush ()
1102 PROTOTYPE:
1103 CODE: 1364 CODE:
1104 while (eio_nreqs ()) 1365 while (eio_nreqs ())
1105 { 1366 {
1106 poll_wait (); 1367 poll_wait ();
1107 poll_cb (); 1368 poll_cb ();
1108 } 1369 }
1109 1370
1110int 1371int
1111poll() 1372poll ()
1112 PROTOTYPE:
1113 CODE: 1373 CODE:
1114 poll_wait (); 1374 poll_wait ();
1115 RETVAL = poll_cb (); 1375 RETVAL = poll_cb ();
1116 OUTPUT: 1376 OUTPUT:
1117 RETVAL 1377 RETVAL
1118 1378
1119int 1379int
1120poll_fileno() 1380poll_fileno ()
1121 PROTOTYPE:
1122 CODE: 1381 CODE:
1123 RETVAL = s_epipe_fd (&respipe); 1382 RETVAL = s_epipe_fd (&respipe);
1124 OUTPUT: 1383 OUTPUT:
1125 RETVAL 1384 RETVAL
1126 1385
1127int 1386int
1128poll_cb(...) 1387poll_cb (...)
1129 PROTOTYPE: 1388 PROTOTYPE:
1130 CODE: 1389 CODE:
1131 RETVAL = poll_cb (); 1390 RETVAL = poll_cb ();
1132 OUTPUT: 1391 OUTPUT:
1133 RETVAL 1392 RETVAL
1134 1393
1135void 1394void
1136poll_wait() 1395poll_wait ()
1137 PROTOTYPE:
1138 CODE: 1396 CODE:
1139 poll_wait (); 1397 poll_wait ();
1140 1398
1141int 1399int
1142nreqs() 1400nreqs ()
1143 PROTOTYPE:
1144 CODE: 1401 CODE:
1145 RETVAL = eio_nreqs (); 1402 RETVAL = eio_nreqs ();
1146 OUTPUT: 1403 OUTPUT:
1147 RETVAL 1404 RETVAL
1148 1405
1149int 1406int
1150nready() 1407nready ()
1151 PROTOTYPE:
1152 CODE: 1408 CODE:
1153 RETVAL = eio_nready (); 1409 RETVAL = eio_nready ();
1154 OUTPUT: 1410 OUTPUT:
1155 RETVAL 1411 RETVAL
1156 1412
1157int 1413int
1158npending() 1414npending ()
1159 PROTOTYPE:
1160 CODE: 1415 CODE:
1161 RETVAL = eio_npending (); 1416 RETVAL = eio_npending ();
1162 OUTPUT: 1417 OUTPUT:
1163 RETVAL 1418 RETVAL
1164 1419
1165int 1420int
1166nthreads() 1421nthreads ()
1167 PROTOTYPE:
1168 CODE: 1422 CODE:
1169 RETVAL = eio_nthreads (); 1423 RETVAL = eio_nthreads ();
1170 OUTPUT: 1424 OUTPUT:
1171 RETVAL 1425 RETVAL
1172 1426
1173int 1427int
1174fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1428fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1175 PROTOTYPE: $$$$
1176 CODE: 1429 CODE:
1177#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1178 RETVAL = posix_fadvise (fh, offset, length, advice); 1430 RETVAL = posix_fadvise (fh, offset, length, advice);
1179#else
1180 RETVAL = errno = ENOSYS;
1181#endif
1182 OUTPUT: 1431 OUTPUT:
1183 RETVAL 1432 RETVAL
1184 1433
1185ssize_t 1434ssize_t
1186sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1435sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1187 PROTOTYPE: $$$$
1188 CODE: 1436 CODE:
1189 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1437 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1190 OUTPUT: 1438 OUTPUT:
1191 RETVAL 1439 RETVAL
1192 1440
1441void
1442mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1443 PPCODE:
1444 sv_unmagic (scalar, MMAP_MAGIC);
1445{
1446 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1447 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1448 if (addr == (void *)-1)
1449 XSRETURN_NO;
1450
1451 sv_force_normal (scalar);
1452
1453 /* we store the length in mg_obj, as namlen is I32 :/ */
1454 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1455 ->mg_obj = (SV *)length;
1456
1457 SvUPGRADE (scalar, SVt_PV); /* nop... */
1458
1459 if (!(prot & PROT_WRITE))
1460 SvREADONLY_on (scalar);
1461
1462 if (SvLEN (scalar))
1463 Safefree (SvPVX (scalar));
1464
1465 SvPVX (scalar) = (char *)addr;
1466 SvCUR_set (scalar, length);
1467 SvLEN_set (scalar, 0);
1468 SvPOK_only (scalar);
1469
1470 XSRETURN_YES;
1471}
1472
1473void
1474munmap (SV *scalar)
1475 CODE:
1476 sv_unmagic (scalar, MMAP_MAGIC);
1477
1478int
1479madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1480 ALIAS:
1481 mprotect = 1
1482 CODE:
1483{
1484 STRLEN svlen;
1485 void *addr = SvPVbyte (scalar, svlen);
1486 size_t len = SvUV (length);
1487
1488 if (offset < 0)
1489 offset += svlen;
1490
1491 if (offset < 0 || offset > svlen)
1492 croak ("offset outside of scalar");
1493
1494 if (!SvOK (length) || len + offset > svlen)
1495 len = svlen - offset;
1496
1497 addr = (void *)(((intptr_t)addr) + offset);
1498 eio_page_align (&addr, &len);
1499
1500 switch (ix)
1501 {
1502 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1503 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1504 }
1505}
1506 OUTPUT:
1507 RETVAL
1508
1509int
1510munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1511 CODE:
1512{
1513 STRLEN svlen;
1514 void *addr = SvPVbyte (scalar, svlen);
1515 size_t len = SvUV (length);
1516
1517 if (offset < 0)
1518 offset += svlen;
1519
1520 if (offset < 0 || offset > svlen)
1521 croak ("offset outside of scalar");
1522
1523 if (!SvOK (length) || len + offset > svlen)
1524 len = svlen - offset;
1525
1526 addr = (void *)(((intptr_t)addr) + offset);
1527 eio_page_align (&addr, &len);
1528#if _POSIX_MEMLOCK
1529 RETVAL = munlock (addr, len);
1530#else
1531 RETVAL = ((errno = ENOSYS), -1);
1532#endif
1533}
1534 OUTPUT:
1535 RETVAL
1536
1537int
1538munlockall ()
1539 CODE:
1540#if _POSIX_MEMLOCK
1541 munlockall ();
1542#else
1543 RETVAL = -1;
1544 errno = ENOSYS;
1545#endif
1546 OUTPUT:
1547 RETVAL
1548
1193void _on_next_submit (SV *cb) 1549void _on_next_submit (SV *cb)
1194 CODE: 1550 CODE:
1195 SvREFCNT_dec (on_next_submit); 1551 SvREFCNT_dec (on_next_submit);
1196 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1552 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1197 1553

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