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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 1.181 by root, Tue Feb 15 03:21:41 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 S_IFIFO
214# define S_IFIFO 0
215#endif
216#ifndef S_IFCHR
217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
236#endif
237
238#ifndef MAP_ANONYMOUS
239# ifdef MAP_ANON
240# define MAP_ANONYMOUS MAP_ANON
241# else
242# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243# endif
244#endif
245#ifndef MAP_HUGETLB
246# define MAP_HUGETLB 0
247#endif
248#ifndef MAP_LOCKED
249# define MAP_LOCKED 0
250#endif
251#ifndef MAP_NORESERVE
252# define MAP_NORESERVE 0
253#endif
254#ifndef MAP_POPULATE
255# define MAP_POPULATE 0
256#endif
257#ifndef MAP_NONBLOCK
258# define MAP_NONBLOCK 0
259#endif
260
261#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min))
263#endif
264#ifndef major
265# define major(dev) ((dev) >> 8)
266#endif
267#ifndef minor
268# define minor(dev) ((dev) & 0xff)
269#endif
270
271#ifndef PAGESIZE
272# define PAGESIZE sysconf (_SC_PAGESIZE)
143#endif 273#endif
144 274
145static int req_invoke (eio_req *req); 275static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 276#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 277static void req_destroy (eio_req *grp);
… …
239 } 369 }
240} 370}
241 371
242static int req_invoke (eio_req *req) 372static int req_invoke (eio_req *req)
243{ 373{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 374 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 375 SvREADONLY_off (req->sv2);
248 376
249 if (!EIO_CANCELLED (req) && req->callback) 377 if (!EIO_CANCELLED (req) && req->callback)
250 { 378 {
379 dSP;
380 static SV *sv_result_cache; /* caches the result integer SV */
381 SV *sv_result;
382
251 ENTER; 383 ENTER;
252 SAVETMPS; 384 SAVETMPS;
253 PUSHMARK (SP); 385 PUSHMARK (SP);
254 EXTEND (SP, 1); 386 EXTEND (SP, 1);
387
388 /* do not recreate the result IV from scratch each time */
389 if (expect_true (sv_result_cache))
390 {
391 sv_result = sv_result_cache; sv_result_cache = 0;
392 SvIV_set (sv_result, req->result);
393 SvIOK_only (sv_result);
394 }
395 else
396 {
397 sv_result = newSViv (req->result);
398 SvREADONLY_on (sv_result);
399 }
255 400
256 switch (req->type) 401 switch (req->type)
257 { 402 {
258 case EIO_READDIR: 403 case EIO_READDIR:
259 { 404 {
… …
345 490
346 PUSHs (fh); 491 PUSHs (fh);
347 } 492 }
348 break; 493 break;
349 494
495 case EIO_STATVFS:
496 case EIO_FSTATVFS:
497 {
498 SV *rv = &PL_sv_undef;
499
500 if (req->result >= 0)
501 {
502 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503 HV *hv = newHV ();
504
505 rv = sv_2mortal (newRV_noinc ((SV *)hv));
506
507 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
508 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
509 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
510 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
511 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
512 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
513 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
514 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
515 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
516 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
517 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518 }
519
520 PUSHs (rv);
521 }
522
523 break;
524
350 case EIO_GROUP: 525 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 526 req->int1 = 2; /* mark group as finished */
352 527
353 if (req->sv1) 528 if (req->sv1)
354 { 529 {
… …
374 case EIO_LSTAT: 549 case EIO_LSTAT:
375 case EIO_FSTAT: 550 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 552 PL_laststatval = req->result;
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 554 PUSHs (sv_result);
380 break; 555 break;
381 556
382 case EIO_READ: 557 case EIO_READ:
383 { 558 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 560 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 561 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 563 PUSHs (sv_result);
389 } 564 }
390 break; 565 break;
391 566
392 case EIO_DUP2: 567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393 if (req->result > 0) 568 if (req->result > 0)
394 req->result = 0; 569 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
396 571
397 default: 572 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 573 PUSHs (sv_result);
399 break; 574 break;
400 } 575 }
401 576
402 errno = req->errorno; 577 errno = req->errorno;
403 578
404 PUTBACK; 579 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 580 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 581 SPAGAIN;
582
583 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
584 SvREFCNT_dec (sv_result);
585 else
586 sv_result_cache = sv_result;
407 587
408 FREETMPS; 588 FREETMPS;
409 LEAVE; 589 LEAVE;
410 590
411 PUTBACK; 591 PUTBACK;
… …
486 666
487static void atfork_child (void) 667static void atfork_child (void)
488{ 668{
489 create_respipe (); 669 create_respipe ();
490} 670}
671
672/*****************************************************************************/
673
674#if !_POSIX_MAPPED_FILES
675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
676# define munmap(addr,length) (errno = ENOSYS, -1)
677#endif
678
679#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
681# define PROT_NONE 0
682# define PROT_WRITE 0
683# define MAP_PRIVATE 0
684# define MAP_SHARED 0
685# define MAP_FIXED 0
686#endif
687
688#define MMAP_MAGIC PERL_MAGIC_ext
689
690static int
691mmap_free (pTHX_ SV *sv, MAGIC *mg)
692{
693 int old_errno = errno;
694 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695 errno = old_errno;
696
697 mg->mg_obj = 0; /* just in case */
698
699 SvREADONLY_off (sv);
700
701 if (SvPVX (sv) != mg->mg_ptr)
702 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
703
704 SvCUR_set (sv, 0);
705 SvPVX (sv) = 0;
706 SvOK_off (sv);
707
708 return 0;
709}
710
711static MGVTBL mmap_vtbl = {
712 0, 0, 0, 0, mmap_free
713};
714
715/*****************************************************************************/
491 716
492static SV * 717static SV *
493get_cb (SV *cb_sv) 718get_cb (SV *cb_sv)
494{ 719{
495 SvGETMAGIC (cb_sv); 720 SvGETMAGIC (cb_sv);
… …
527{ 752{
528 static const struct { 753 static const struct {
529 const char *name; 754 const char *name;
530 IV iv; 755 IV iv;
531 } *civ, const_iv[] = { 756 } *civ, const_iv[] = {
532# define const_iv(name, value) { # name, (IV) value }, 757# define const_niv(name, value) { # name, (IV) value },
758# define const_iv(name) { # name, (IV) name },
533# define const_eio(name) { # name, (IV) EIO_ ## name }, 759# define const_eio(name) { # name, (IV) EIO_ ## name },
534 const_iv (EXDEV , EXDEV) 760 const_iv (EXDEV)
535 const_iv (ENOSYS , ENOSYS) 761 const_iv (ENOSYS)
536 const_iv (O_RDONLY, O_RDONLY) 762 const_iv (O_RDONLY)
537 const_iv (O_WRONLY, O_WRONLY) 763 const_iv (O_WRONLY)
764 const_iv (O_RDWR)
538 const_iv (O_CREAT , O_CREAT) 765 const_iv (O_CREAT)
539 const_iv (O_TRUNC , O_TRUNC) 766 const_iv (O_TRUNC)
540#ifndef _WIN32 767 const_iv (O_EXCL)
768 const_iv (O_APPEND)
769
541 const_iv (S_IFIFO , S_IFIFO) 770 const_iv (S_IFIFO)
542#endif 771 const_iv (S_IFCHR)
772 const_iv (S_IFBLK)
773 const_iv (S_IFLNK)
774 const_iv (S_IFREG)
775 const_iv (S_IFDIR)
776 const_iv (S_IFWHT)
777 const_iv (S_IFSOCK)
778 const_iv (S_IFMT)
779
543 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 785 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
786
787 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
788 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
789 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
790 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
791 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
792
793 const_iv (ST_RDONLY)
794 const_iv (ST_NOSUID)
795 const_iv (ST_NODEV)
796 const_iv (ST_NOEXEC)
797 const_iv (ST_SYNCHRONOUS)
798 const_iv (ST_MANDLOCK)
799 const_iv (ST_WRITE)
800 const_iv (ST_APPEND)
801 const_iv (ST_IMMUTABLE)
802 const_iv (ST_NOATIME)
803 const_iv (ST_NODIRATIME)
804 const_iv (ST_RELATIME)
805
806 const_iv (PROT_NONE)
807 const_iv (PROT_EXEC)
808 const_iv (PROT_READ)
809 const_iv (PROT_WRITE)
810
811 /*const_iv (MAP_FIXED)*/
812 const_iv (MAP_PRIVATE)
813 const_iv (MAP_SHARED)
814 const_iv (MAP_ANONYMOUS)
815
816 /* linuxish */
817 const_iv (MAP_HUGETLB)
818 const_iv (MAP_LOCKED)
819 const_iv (MAP_NORESERVE)
820 const_iv (MAP_POPULATE)
821 const_iv (MAP_NONBLOCK)
822
823 const_eio (MCL_FUTURE)
824 const_eio (MCL_CURRENT)
549 825
550 const_eio (MS_ASYNC) 826 const_eio (MS_ASYNC)
551 const_eio (MS_INVALIDATE) 827 const_eio (MS_INVALIDATE)
552 const_eio (MS_SYNC) 828 const_eio (MS_SYNC)
553 829
… …
578 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 854 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
579 855
580 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 856 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
581 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 857 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
582 858
859 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860
583 create_respipe (); 861 create_respipe ();
584 862
585 if (eio_init (want_poll, done_poll) < 0) 863 if (eio_init (want_poll, done_poll) < 0)
586 croak ("IO::AIO: unable to initialise eio library"); 864 croak ("IO::AIO: unable to initialise eio library");
587 865
588 /* atfork child called in fifo order, so before eio's handler */ 866 /* atfork child called in fifo order, so before eio's handler */
589 X_THREAD_ATFORK (0, 0, atfork_child); 867 X_THREAD_ATFORK (0, 0, atfork_child);
590} 868}
591 869
592void 870void
593max_poll_reqs (int nreqs) 871max_poll_reqs (unsigned int nreqs)
594 PROTOTYPE: $ 872 PROTOTYPE: $
595 CODE: 873 CODE:
596 eio_set_max_poll_reqs (nreqs); 874 eio_set_max_poll_reqs (nreqs);
597 875
598void 876void
… …
600 PROTOTYPE: $ 878 PROTOTYPE: $
601 CODE: 879 CODE:
602 eio_set_max_poll_time (nseconds); 880 eio_set_max_poll_time (nseconds);
603 881
604void 882void
605min_parallel (int nthreads) 883min_parallel (unsigned int nthreads)
606 PROTOTYPE: $ 884 PROTOTYPE: $
607 CODE: 885 CODE:
608 eio_set_min_parallel (nthreads); 886 eio_set_min_parallel (nthreads);
609 887
610void 888void
611max_parallel (int nthreads) 889max_parallel (unsigned int nthreads)
612 PROTOTYPE: $ 890 PROTOTYPE: $
613 CODE: 891 CODE:
614 eio_set_max_parallel (nthreads); 892 eio_set_max_parallel (nthreads);
615 893
616void 894void
617max_idle (int nthreads) 895max_idle (unsigned int nthreads)
618 PROTOTYPE: $ 896 PROTOTYPE: $
619 CODE: 897 CODE:
620 eio_set_max_idle (nthreads); 898 eio_set_max_idle (nthreads);
621 899
622void 900void
901idle_timeout (unsigned int seconds)
902 PROTOTYPE: $
903 CODE:
904 eio_set_idle_timeout (seconds);
905
906void
623max_outstanding (int maxreqs) 907max_outstanding (unsigned int maxreqs)
624 PROTOTYPE: $ 908 PROTOTYPE: $
625 CODE: 909 CODE:
626 max_outstanding = maxreqs; 910 max_outstanding = maxreqs;
627 911
628void 912void
629aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 913aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
630 PROTOTYPE: $$$;$
631 PPCODE: 914 PPCODE:
632{ 915{
633 dREQ; 916 dREQ;
634 917
635 req->type = EIO_OPEN; 918 req->type = EIO_OPEN;
… …
641 REQ_SEND; 924 REQ_SEND;
642} 925}
643 926
644void 927void
645aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 928aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
646 PROTOTYPE: $;$
647 ALIAS: 929 ALIAS:
648 aio_fsync = EIO_FSYNC 930 aio_fsync = EIO_FSYNC
649 aio_fdatasync = EIO_FDATASYNC 931 aio_fdatasync = EIO_FDATASYNC
650 PPCODE: 932 PPCODE:
651{ 933{
… …
659 REQ_SEND (req); 941 REQ_SEND (req);
660} 942}
661 943
662void 944void
663aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 945aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
664 PROTOTYPE: $$$$;$
665 PPCODE: 946 PPCODE:
666{ 947{
667 int fd = s_fileno_croak (fh, 0); 948 int fd = s_fileno_croak (fh, 0);
668 dREQ; 949 dREQ;
669 950
… …
677 REQ_SEND (req); 958 REQ_SEND (req);
678} 959}
679 960
680void 961void
681aio_close (SV *fh, SV *callback=&PL_sv_undef) 962aio_close (SV *fh, SV *callback=&PL_sv_undef)
682 PROTOTYPE: $;$
683 PPCODE: 963 PPCODE:
684{ 964{
685 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
686 int fd = s_fileno_croak (fh, 0); 966 int fd = s_fileno_croak (fh, 0);
687 dREQ; 967 dREQ;
… …
709void 989void
710aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 990aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
711 ALIAS: 991 ALIAS:
712 aio_read = EIO_READ 992 aio_read = EIO_READ
713 aio_write = EIO_WRITE 993 aio_write = EIO_WRITE
714 PROTOTYPE: $$$$$;$
715 PPCODE: 994 PPCODE:
716{ 995{
717 STRLEN svlen; 996 STRLEN svlen;
718 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 997 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
719 char *svptr = SvPVbyte (data, svlen); 998 char *svptr = SvPVbyte (data, svlen);
… …
760 } 1039 }
761} 1040}
762 1041
763void 1042void
764aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
765 PROTOTYPE: $$;$
766 PPCODE: 1044 PPCODE:
767{ 1045{
768 SV *data; 1046 SV *data;
769 dREQ; 1047 dREQ;
770 1048
… …
775 REQ_SEND; 1053 REQ_SEND;
776} 1054}
777 1055
778void 1056void
779aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1057aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
780 PROTOTYPE: $$$$;$
781 PPCODE: 1058 PPCODE:
782{ 1059{
783 int ifd = s_fileno_croak (in_fh , 0); 1060 int ifd = s_fileno_croak (in_fh , 0);
784 int ofd = s_fileno_croak (out_fh, 1); 1061 int ofd = s_fileno_croak (out_fh, 1);
785 dREQ; 1062 dREQ;
… …
795 REQ_SEND; 1072 REQ_SEND;
796} 1073}
797 1074
798void 1075void
799aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1076aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
800 PROTOTYPE: $$$;$
801 PPCODE: 1077 PPCODE:
802{ 1078{
803 int fd = s_fileno_croak (fh, 0); 1079 int fd = s_fileno_croak (fh, 0);
804 dREQ; 1080 dREQ;
805 1081
… …
813} 1089}
814 1090
815void 1091void
816aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1092aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
817 ALIAS: 1093 ALIAS:
818 aio_stat = EIO_STAT 1094 aio_stat = EIO_STAT
819 aio_lstat = EIO_LSTAT 1095 aio_lstat = EIO_LSTAT
1096 aio_statvfs = EIO_STATVFS
820 PPCODE: 1097 PPCODE:
821{ 1098{
822 dREQ; 1099 dREQ;
823 1100
824 req->sv1 = newSVsv (fh_or_path); 1101 req->sv1 = newSVsv (fh_or_path);
… …
828 req->type = ix; 1105 req->type = ix;
829 req->ptr1 = SvPVbyte_nolen (req->sv1); 1106 req->ptr1 = SvPVbyte_nolen (req->sv1);
830 } 1107 }
831 else 1108 else
832 { 1109 {
833 req->type = EIO_FSTAT; 1110 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
834 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1111 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
835 } 1112 }
836 1113
837 REQ_SEND; 1114 REQ_SEND;
838} 1115}
1116
1117UV
1118major (UV dev)
1119 ALIAS:
1120 minor = 1
1121 CODE:
1122 RETVAL = ix ? major (dev) : minor (dev);
1123 OUTPUT:
1124 RETVAL
1125
1126UV
1127makedev (UV maj, UV min)
1128 CODE:
1129 RETVAL = makedev (maj, min);
1130 OUTPUT:
1131 RETVAL
839 1132
840void 1133void
841aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1134aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
842 PPCODE: 1135 PPCODE:
843{ 1136{
… …
1005void 1298void
1006aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1299aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1007 ALIAS: 1300 ALIAS:
1008 aio_mtouch = EIO_MTOUCH 1301 aio_mtouch = EIO_MTOUCH
1009 aio_msync = EIO_MSYNC 1302 aio_msync = EIO_MSYNC
1010 PROTOTYPE: $$$$;$
1011 PPCODE: 1303 PPCODE:
1012{ 1304{
1013 STRLEN svlen; 1305 STRLEN svlen;
1306 char *svptr = SvPVbyte (data, svlen);
1014 UV len = SvUV (length); 1307 UV len = SvUV (length);
1015 char *svptr = SvPVbyte (data, svlen);
1016 1308
1017 if (offset < 0) 1309 if (offset < 0)
1018 offset += svlen; 1310 offset += svlen;
1019 1311
1020 if (offset < 0 || offset > svlen) 1312 if (offset < 0 || offset > svlen)
… …
1025 1317
1026 { 1318 {
1027 dREQ; 1319 dREQ;
1028 1320
1029 req->type = ix; 1321 req->type = ix;
1030 req->size = len;
1031 req->sv2 = SvREFCNT_inc (data); 1322 req->sv2 = SvREFCNT_inc (data);
1032 req->ptr2 = (char *)svptr + offset; 1323 req->ptr2 = (char *)svptr + offset;
1324 req->size = len;
1033 req->int1 = flags; 1325 req->int1 = flags;
1034 1326
1035 REQ_SEND; 1327 REQ_SEND;
1036 } 1328 }
1037} 1329}
1038 1330
1039void 1331void
1332aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1333 PPCODE:
1334{
1335 STRLEN svlen;
1336 char *svptr = SvPVbyte (data, svlen);
1337 UV len = SvUV (length);
1338
1339 if (offset < 0)
1340 offset += svlen;
1341
1342 if (offset < 0 || offset > svlen)
1343 croak ("offset outside of scalar");
1344
1345 if (!SvOK (length) || len + offset > svlen)
1346 len = svlen - offset;
1347
1348 {
1349 dREQ;
1350
1351 req->type = EIO_MLOCK;
1352 req->sv2 = SvREFCNT_inc (data);
1353 req->ptr2 = (char *)svptr + offset;
1354 req->size = len;
1355
1356 REQ_SEND;
1357 }
1358}
1359
1360void
1361aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1362 PPCODE:
1363{
1364 dREQ;
1365
1366 req->type = EIO_MLOCKALL;
1367 req->int1 = flags;
1368
1369 REQ_SEND;
1370}
1371
1372void
1040aio_busy (double delay, SV *callback=&PL_sv_undef) 1373aio_busy (double delay, SV *callback=&PL_sv_undef)
1041 PPCODE: 1374 PPCODE:
1042{ 1375{
1043 dREQ; 1376 dREQ;
1044 1377
… …
1048 REQ_SEND; 1381 REQ_SEND;
1049} 1382}
1050 1383
1051void 1384void
1052aio_group (SV *callback=&PL_sv_undef) 1385aio_group (SV *callback=&PL_sv_undef)
1053 PROTOTYPE: ;$
1054 PPCODE: 1386 PPCODE:
1055{ 1387{
1056 dREQ; 1388 dREQ;
1057 1389
1058 req->type = EIO_GROUP; 1390 req->type = EIO_GROUP;
… …
1075 REQ_SEND; 1407 REQ_SEND;
1076} 1408}
1077 1409
1078int 1410int
1079aioreq_pri (int pri = 0) 1411aioreq_pri (int pri = 0)
1080 PROTOTYPE: ;$
1081 CODE: 1412 CODE:
1082 RETVAL = next_pri; 1413 RETVAL = next_pri;
1083 if (items > 0) 1414 if (items > 0)
1084 { 1415 {
1085 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1416 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1097 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1428 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1098 next_pri = nice; 1429 next_pri = nice;
1099 1430
1100void 1431void
1101flush () 1432flush ()
1102 PROTOTYPE:
1103 CODE: 1433 CODE:
1104 while (eio_nreqs ()) 1434 while (eio_nreqs ())
1105 { 1435 {
1106 poll_wait (); 1436 poll_wait ();
1107 poll_cb (); 1437 poll_cb ();
1108 } 1438 }
1109 1439
1110int 1440int
1111poll() 1441poll ()
1112 PROTOTYPE:
1113 CODE: 1442 CODE:
1114 poll_wait (); 1443 poll_wait ();
1115 RETVAL = poll_cb (); 1444 RETVAL = poll_cb ();
1116 OUTPUT: 1445 OUTPUT:
1117 RETVAL 1446 RETVAL
1118 1447
1119int 1448int
1120poll_fileno() 1449poll_fileno ()
1121 PROTOTYPE:
1122 CODE: 1450 CODE:
1123 RETVAL = s_epipe_fd (&respipe); 1451 RETVAL = s_epipe_fd (&respipe);
1124 OUTPUT: 1452 OUTPUT:
1125 RETVAL 1453 RETVAL
1126 1454
1127int 1455int
1128poll_cb(...) 1456poll_cb (...)
1129 PROTOTYPE: 1457 PROTOTYPE:
1130 CODE: 1458 CODE:
1131 RETVAL = poll_cb (); 1459 RETVAL = poll_cb ();
1132 OUTPUT: 1460 OUTPUT:
1133 RETVAL 1461 RETVAL
1134 1462
1135void 1463void
1136poll_wait() 1464poll_wait ()
1137 PROTOTYPE:
1138 CODE: 1465 CODE:
1139 poll_wait (); 1466 poll_wait ();
1140 1467
1141int 1468int
1142nreqs() 1469nreqs ()
1143 PROTOTYPE:
1144 CODE: 1470 CODE:
1145 RETVAL = eio_nreqs (); 1471 RETVAL = eio_nreqs ();
1146 OUTPUT: 1472 OUTPUT:
1147 RETVAL 1473 RETVAL
1148 1474
1149int 1475int
1150nready() 1476nready ()
1151 PROTOTYPE:
1152 CODE: 1477 CODE:
1153 RETVAL = eio_nready (); 1478 RETVAL = eio_nready ();
1154 OUTPUT: 1479 OUTPUT:
1155 RETVAL 1480 RETVAL
1156 1481
1157int 1482int
1158npending() 1483npending ()
1159 PROTOTYPE:
1160 CODE: 1484 CODE:
1161 RETVAL = eio_npending (); 1485 RETVAL = eio_npending ();
1162 OUTPUT: 1486 OUTPUT:
1163 RETVAL 1487 RETVAL
1164 1488
1165int 1489int
1166nthreads() 1490nthreads ()
1167 PROTOTYPE:
1168 CODE: 1491 CODE:
1169 RETVAL = eio_nthreads (); 1492 RETVAL = eio_nthreads ();
1170 OUTPUT: 1493 OUTPUT:
1171 RETVAL 1494 RETVAL
1172 1495
1173int 1496int
1174fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1497fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1175 PROTOTYPE: $$$$
1176 CODE: 1498 CODE:
1177#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1178 RETVAL = posix_fadvise (fh, offset, length, advice); 1499 RETVAL = posix_fadvise (fh, offset, length, advice);
1179#else
1180 RETVAL = errno = ENOSYS;
1181#endif
1182 OUTPUT: 1500 OUTPUT:
1183 RETVAL 1501 RETVAL
1184 1502
1185ssize_t 1503ssize_t
1186sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1504sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1187 PROTOTYPE: $$$$
1188 CODE: 1505 CODE:
1189 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1506 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1190 OUTPUT: 1507 OUTPUT:
1191 RETVAL 1508 RETVAL
1192 1509
1510void
1511mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1512 PPCODE:
1513 sv_unmagic (scalar, MMAP_MAGIC);
1514{
1515 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1516 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1517 if (addr == (void *)-1)
1518 XSRETURN_NO;
1519
1520 sv_force_normal (scalar);
1521
1522 /* we store the length in mg_obj, as namlen is I32 :/ */
1523 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1524 ->mg_obj = (SV *)length;
1525
1526 SvUPGRADE (scalar, SVt_PV); /* nop... */
1527
1528 if (!(prot & PROT_WRITE))
1529 SvREADONLY_on (scalar);
1530
1531 if (SvLEN (scalar))
1532 Safefree (SvPVX (scalar));
1533
1534 SvPVX (scalar) = (char *)addr;
1535 SvCUR_set (scalar, length);
1536 SvLEN_set (scalar, 0);
1537 SvPOK_only (scalar);
1538
1539 XSRETURN_YES;
1540}
1541
1542void
1543munmap (SV *scalar)
1544 CODE:
1545 sv_unmagic (scalar, MMAP_MAGIC);
1546
1547int
1548madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1549 ALIAS:
1550 mprotect = 1
1551 CODE:
1552{
1553 STRLEN svlen;
1554 void *addr = SvPVbyte (scalar, svlen);
1555 size_t len = SvUV (length);
1556
1557 if (offset < 0)
1558 offset += svlen;
1559
1560 if (offset < 0 || offset > svlen)
1561 croak ("offset outside of scalar");
1562
1563 if (!SvOK (length) || len + offset > svlen)
1564 len = svlen - offset;
1565
1566 addr = (void *)(((intptr_t)addr) + offset);
1567 eio_page_align (&addr, &len);
1568
1569 switch (ix)
1570 {
1571 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1572 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1573 }
1574}
1575 OUTPUT:
1576 RETVAL
1577
1578int
1579munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1580 CODE:
1581{
1582 STRLEN svlen;
1583 void *addr = SvPVbyte (scalar, svlen);
1584 size_t len = SvUV (length);
1585
1586 if (offset < 0)
1587 offset += svlen;
1588
1589 if (offset < 0 || offset > svlen)
1590 croak ("offset outside of scalar");
1591
1592 if (!SvOK (length) || len + offset > svlen)
1593 len = svlen - offset;
1594
1595 addr = (void *)(((intptr_t)addr) + offset);
1596 eio_page_align (&addr, &len);
1597#if _POSIX_MEMLOCK_RANGE
1598 RETVAL = munlock (addr, len);
1599#else
1600 RETVAL = ((errno = ENOSYS), -1);
1601#endif
1602}
1603 OUTPUT:
1604 RETVAL
1605
1606int
1607munlockall ()
1608 CODE:
1609#if _POSIX_MEMLOCK
1610 munlockall ();
1611#else
1612 RETVAL = -1;
1613 errno = ENOSYS;
1614#endif
1615 OUTPUT:
1616 RETVAL
1617
1193void _on_next_submit (SV *cb) 1618void _on_next_submit (SV *cb)
1194 CODE: 1619 CODE:
1195 SvREFCNT_dec (on_next_submit); 1620 SvREFCNT_dec (on_next_submit);
1196 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1621 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1197 1622

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