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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.161 by root, Sun Jan 10 20:28:43 2010 UTC vs.
Revision 1.186 by root, Thu Jul 14 22:36:17 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>
17#include <limits.h> 16#include <limits.h>
18#include <fcntl.h> 17#include <fcntl.h>
19#include <sched.h> 18#include <sched.h>
20 19
21#if _POSIX_MEMLOCK 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 21# include <sys/mman.h>
23#endif 22#endif
24 23
25/* perl namespace pollution */ 24/* perl namespace pollution */
26#undef VERSION 25#undef VERSION
… …
47# undef unlink 46# undef unlink
48# undef rmdir 47# undef rmdir
49# undef rename 48# undef rename
50# undef lseek 49# undef lseek
51 50
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0) 51# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1) 52# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1) 53# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65 54
66#else 55#else
67 56
68# include <sys/time.h> 57# include <sys/time.h>
69# include <sys/select.h> 58# include <sys/select.h>
… …
118 STRLEN stroffset; \ 107 STRLEN stroffset; \
119 SV *self; 108 SV *self;
120 109
121#define EIO_NO_WRAPPERS 1 110#define EIO_NO_WRAPPERS 1
122 111
112#include "libeio/config.h"
123#include "libeio/eio.h" 113#include "libeio/eio.h"
114
115/* Linux/others */
116#ifndef O_ASYNC
117# define O_ASYNC 0
118#endif
119#ifndef O_DIRECT
120# define O_DIRECT 0
121#endif
122#ifndef O_NOATIME
123# define O_NOATIME 0
124#endif
125
126/* POSIX */
127#ifndef O_CLOEXEC
128# define O_CLOEXEC 0
129#endif
130#ifndef O_NOFOLLOW
131# define O_NOFOLLOW 0
132#endif
133#ifndef O_NOCTTY
134# define O_NOCTTY 0
135#endif
136#ifndef O_NONBLOCK
137# define O_NONBLOCK 0
138#endif
139#ifndef O_EXEC
140# define O_EXEC 0
141#endif
142#ifndef O_SEARCH
143# define O_SEARCH 0
144#endif
145#ifndef O_DIRECTORY
146# define O_DIRECTORY 0
147#endif
148#ifndef O_DSYNC
149# define O_DSYNC 0
150#endif
151#ifndef O_RSYNC
152# define O_RSYNC 0
153#endif
154#ifndef O_SYNC
155# define O_SYNC 0
156#endif
157#ifndef O_TTY_INIT
158# define O_TTY_INIT 0
159#endif
124 160
125#ifndef POSIX_FADV_NORMAL 161#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0 162# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif 163#endif
129#ifndef POSIX_FADV_SEQUENTIAL 164#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 165# define POSIX_FADV_SEQUENTIAL 0
131#endif 166#endif
132#ifndef POSIX_FADV_RANDOM 167#ifndef POSIX_FADV_RANDOM
… …
140#endif 175#endif
141#ifndef POSIX_FADV_DONTNEED 176#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 177# define POSIX_FADV_DONTNEED 0
143#endif 178#endif
144 179
180#if !HAVE_POSIX_FADVISE
181# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
182#endif
183
184#ifndef POSIX_MADV_NORMAL
185# define POSIX_MADV_NORMAL 0
186#endif
187#ifndef POSIX_MADV_SEQUENTIAL
188# define POSIX_MADV_SEQUENTIAL 0
189#endif
190#ifndef POSIX_MADV_RANDOM
191# define POSIX_MADV_RANDOM 0
192#endif
193#ifndef POSIX_MADV_WILLNEED
194# define POSIX_MADV_WILLNEED 0
195#endif
196#ifndef POSIX_MADV_DONTNEED
197# define POSIX_MADV_DONTNEED 0
198#endif
199
200#if !HAVE_POSIX_MADVISE
201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
202#endif
203
204#ifndef PROT_NONE
205# define PROT_NONE 0
206#endif
207#ifndef PROT_READ
208# define PROT_READ 0
209#endif
210#ifndef PROT_WRITE
211# define PROT_READ 0
212#endif
213#ifndef PROT_EXEC
214# define PROT_EXEC 0
215#endif
216
145#ifndef ST_NODEV 217#ifndef ST_NODEV
146# define ST_NODEV 0 218# define ST_NODEV 0
147#endif 219#endif
148#ifndef ST_NOEXEC 220#ifndef ST_NOEXEC
149# define ST_NOEXEC 0 221# define ST_NOEXEC 0
… …
171#endif 243#endif
172#ifndef ST_RELATIME 244#ifndef ST_RELATIME
173# define ST_RELATIME 0 245# define ST_RELATIME 0
174#endif 246#endif
175 247
176#ifndef MCL_CURRENT 248#ifndef S_IFIFO
177# define MCL_CURRENT 0 249# define S_IFIFO 0
250#endif
251#ifndef S_IFCHR
252# define S_IFCHR 0
253#endif
254#ifndef S_IFBLK
255# define S_IFBLK 0
256#endif
257#ifndef S_IFLNK
258# define S_IFLNK 0
259#endif
260#ifndef S_IFREG
261# define S_IFREG 0
262#endif
263#ifndef S_IFDIR
264# define S_IFDIR 0
265#endif
266#ifndef S_IFWHT
267# define S_IFWHT 0
268#endif
269#ifndef S_IFSOCK
270# define S_IFSOCK 0
271#endif
272
273#ifndef MAP_ANONYMOUS
274# ifdef MAP_ANON
275# define MAP_ANONYMOUS MAP_ANON
276# else
277# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
178#endif 278# endif
179#ifndef MCL_FUTURE 279#endif
180# define MCL_FUTURE 0 280#ifndef MAP_HUGETLB
281# define MAP_HUGETLB 0
282#endif
283#ifndef MAP_LOCKED
284# define MAP_LOCKED 0
285#endif
286#ifndef MAP_NORESERVE
287# define MAP_NORESERVE 0
288#endif
289#ifndef MAP_POPULATE
290# define MAP_POPULATE 0
291#endif
292#ifndef MAP_NONBLOCK
293# define MAP_NONBLOCK 0
294#endif
295
296#ifndef makedev
297# define makedev(maj,min) (((maj) << 8) | (min))
298#endif
299#ifndef major
300# define major(dev) ((dev) >> 8)
301#endif
302#ifndef minor
303# define minor(dev) ((dev) & 0xff)
304#endif
305
306#ifndef PAGESIZE
307# define PAGESIZE sysconf (_SC_PAGESIZE)
181#endif 308#endif
182 309
183static int req_invoke (eio_req *req); 310static int req_invoke (eio_req *req);
184#define EIO_FINISH(req) req_invoke (req) 311#define EIO_FINISH(req) req_invoke (req)
185static void req_destroy (eio_req *grp); 312static void req_destroy (eio_req *grp);
… …
277 } 404 }
278} 405}
279 406
280static int req_invoke (eio_req *req) 407static int req_invoke (eio_req *req)
281{ 408{
282 dSP;
283
284 if (req->flags & FLAG_SV2_RO_OFF) 409 if (req->flags & FLAG_SV2_RO_OFF)
285 SvREADONLY_off (req->sv2); 410 SvREADONLY_off (req->sv2);
286 411
287 if (!EIO_CANCELLED (req) && req->callback) 412 if (!EIO_CANCELLED (req) && req->callback)
288 { 413 {
414 dSP;
415 static SV *sv_result_cache; /* caches the result integer SV */
416 SV *sv_result;
417
289 ENTER; 418 ENTER;
290 SAVETMPS; 419 SAVETMPS;
291 PUSHMARK (SP); 420 PUSHMARK (SP);
292 EXTEND (SP, 1); 421 EXTEND (SP, 1);
422
423 /* do not recreate the result IV from scratch each time */
424 if (expect_true (sv_result_cache))
425 {
426 sv_result = sv_result_cache; sv_result_cache = 0;
427 SvIV_set (sv_result, req->result);
428 SvIOK_only (sv_result);
429 }
430 else
431 {
432 sv_result = newSViv (req->result);
433 SvREADONLY_on (sv_result);
434 }
293 435
294 switch (req->type) 436 switch (req->type)
295 { 437 {
296 case EIO_READDIR: 438 case EIO_READDIR:
297 { 439 {
… …
432 case EIO_NOP: 574 case EIO_NOP:
433 case EIO_BUSY: 575 case EIO_BUSY:
434 break; 576 break;
435 577
436 case EIO_READLINK: 578 case EIO_READLINK:
579 case EIO_REALPATH:
437 if (req->result > 0) 580 if (req->result > 0)
438 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 581 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
439 break; 582 break;
440 583
441 case EIO_STAT: 584 case EIO_STAT:
442 case EIO_LSTAT: 585 case EIO_LSTAT:
443 case EIO_FSTAT: 586 case EIO_FSTAT:
444 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 587 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
445 PL_laststatval = req->result; 588 PL_laststatval = req->result;
446 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 589 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
447 PUSHs (sv_2mortal (newSViv (req->result))); 590 PUSHs (sv_result);
448 break; 591 break;
449 592
450 case EIO_READ: 593 case EIO_READ:
451 { 594 {
452 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 595 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
453 *SvEND (req->sv2) = 0; 596 *SvEND (req->sv2) = 0;
454 SvPOK_only (req->sv2); 597 SvPOK_only (req->sv2);
455 SvSETMAGIC (req->sv2); 598 SvSETMAGIC (req->sv2);
456 PUSHs (sv_2mortal (newSViv (req->result))); 599 PUSHs (sv_result);
457 } 600 }
458 break; 601 break;
459 602
460 case EIO_DUP2: 603 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
461 if (req->result > 0) 604 if (req->result > 0)
462 req->result = 0; 605 SvIV_set (sv_result, 0);
463 /* FALLTHROUGH */ 606 /* FALLTHROUGH */
464 607
465 default: 608 default:
466 PUSHs (sv_2mortal (newSViv (req->result))); 609 PUSHs (sv_result);
467 break; 610 break;
468 } 611 }
469 612
470 errno = req->errorno; 613 errno = req->errorno;
471 614
472 PUTBACK; 615 PUTBACK;
473 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 616 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
474 SPAGAIN; 617 SPAGAIN;
618
619 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
620 SvREFCNT_dec (sv_result);
621 else
622 sv_result_cache = sv_result;
475 623
476 FREETMPS; 624 FREETMPS;
477 LEAVE; 625 LEAVE;
478 626
479 PUTBACK; 627 PUTBACK;
… …
508 grp->sv2 = 0; 656 grp->sv2 = 0;
509 657
510 eio_grp_cancel (grp); 658 eio_grp_cancel (grp);
511} 659}
512 660
513static void
514create_respipe (void) 661static void create_respipe (void)
515{ 662{
516 if (s_epipe_renew (&respipe)) 663 if (s_epipe_renew (&respipe))
517 croak ("IO::AIO: unable to initialize result pipe"); 664 croak ("IO::AIO: unable to initialize result pipe");
518} 665}
519 666
… …
555static void atfork_child (void) 702static void atfork_child (void)
556{ 703{
557 create_respipe (); 704 create_respipe ();
558} 705}
559 706
560static SV * 707/*****************************************************************************/
708
709#if !_POSIX_MAPPED_FILES
710# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
711# define munmap(addr,length) (errno = ENOSYS, -1)
712#endif
713
714#if !_POSIX_MEMORY_PROTECTION
715# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
716# define PROT_NONE 0
717# define PROT_WRITE 0
718# define MAP_PRIVATE 0
719# define MAP_SHARED 0
720# define MAP_FIXED 0
721#endif
722
723#define MMAP_MAGIC PERL_MAGIC_ext
724
725static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
726{
727 int old_errno = errno;
728 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
729 errno = old_errno;
730
731 mg->mg_obj = 0; /* just in case */
732
733 SvREADONLY_off (sv);
734
735 if (SvPVX (sv) != mg->mg_ptr)
736 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
737
738 SvCUR_set (sv, 0);
739 SvPVX (sv) = 0;
740 SvOK_off (sv);
741
742 return 0;
743}
744
745static MGVTBL mmap_vtbl = {
746 0, 0, 0, 0, mmap_free
747};
748
749/*****************************************************************************/
750
561get_cb (SV *cb_sv) 751static SV * get_cb (SV *cb_sv)
562{ 752{
563 SvGETMAGIC (cb_sv); 753 SvGETMAGIC (cb_sv);
564 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 754 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
565} 755}
566 756
… …
595{ 785{
596 static const struct { 786 static const struct {
597 const char *name; 787 const char *name;
598 IV iv; 788 IV iv;
599 } *civ, const_iv[] = { 789 } *civ, const_iv[] = {
600# define const_iv(name, value) { # name, (IV) value }, 790# define const_niv(name, value) { # name, (IV) value },
791# define const_iv(name) { # name, (IV) name },
601# define const_eio(name) { # name, (IV) EIO_ ## name }, 792# define const_eio(name) { # name, (IV) EIO_ ## name },
602 const_iv (EXDEV , EXDEV) 793 const_iv (EXDEV)
603 const_iv (ENOSYS , ENOSYS) 794 const_iv (ENOSYS)
604 const_iv (O_RDONLY, O_RDONLY) 795 const_iv (O_RDONLY)
605 const_iv (O_WRONLY, O_WRONLY) 796 const_iv (O_WRONLY)
797 const_iv (O_RDWR)
606 const_iv (O_CREAT , O_CREAT) 798 const_iv (O_CREAT)
607 const_iv (O_TRUNC , O_TRUNC) 799 const_iv (O_TRUNC)
608#ifndef _WIN32 800 const_iv (O_EXCL)
801 const_iv (O_APPEND)
802
803 const_iv (O_ASYNC)
804 const_iv (O_DIRECT)
805 const_iv (O_NOATIME)
806
807 const_iv (O_CLOEXEC)
808 const_iv (O_NOCTTY)
809 const_iv (O_NOFOLLOW)
810 const_iv (O_NONBLOCK)
811 const_iv (O_EXEC)
812 const_iv (O_SEARCH)
813 const_iv (O_DIRECTORY)
814 const_iv (O_DSYNC)
815 const_iv (O_RSYNC)
816 const_iv (O_SYNC)
817 const_iv (O_TTY_INIT)
818
609 const_iv (S_IFIFO , S_IFIFO) 819 const_iv (S_IFIFO)
610#endif 820 const_iv (S_IFCHR)
821 const_iv (S_IFBLK)
822 const_iv (S_IFLNK)
823 const_iv (S_IFREG)
824 const_iv (S_IFDIR)
825 const_iv (S_IFWHT)
826 const_iv (S_IFSOCK)
827 const_iv (S_IFMT)
828
611 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 829 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
612 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 830 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
613 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 831 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
614 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 832 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
615 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 833 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
616 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 834 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
617 835
618 const_iv (ST_RDONLY , ST_RDONLY) 836 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
619 const_iv (ST_NOSUID , ST_NOSUID) 837 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
620 const_iv (ST_NODEV , ST_NODEV) 838 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
621 const_iv (ST_NOEXEC , ST_NOEXEC) 839 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
840 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
841
842 const_iv (ST_RDONLY)
843 const_iv (ST_NOSUID)
844 const_iv (ST_NODEV)
845 const_iv (ST_NOEXEC)
622 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 846 const_iv (ST_SYNCHRONOUS)
623 const_iv (ST_MANDLOCK , ST_MANDLOCK) 847 const_iv (ST_MANDLOCK)
624 const_iv (ST_WRITE , ST_WRITE) 848 const_iv (ST_WRITE)
625 const_iv (ST_APPEND , ST_APPEND) 849 const_iv (ST_APPEND)
626 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 850 const_iv (ST_IMMUTABLE)
627 const_iv (ST_NOATIME , ST_NOATIME) 851 const_iv (ST_NOATIME)
628 const_iv (ST_NODIRATIME , ST_NODIRATIME) 852 const_iv (ST_NODIRATIME)
629 const_iv (ST_RELATIME , ST_RELATIME) 853 const_iv (ST_RELATIME)
630 854
631 const_iv (MCL_FUTURE , MCL_FUTURE) 855 const_iv (PROT_NONE)
632 const_iv (MCL_CURRENT , MCL_CURRENT) 856 const_iv (PROT_EXEC)
857 const_iv (PROT_READ)
858 const_iv (PROT_WRITE)
859
860 /*const_iv (MAP_FIXED)*/
861 const_iv (MAP_PRIVATE)
862 const_iv (MAP_SHARED)
863 const_iv (MAP_ANONYMOUS)
864
865 /* linuxish */
866 const_iv (MAP_HUGETLB)
867 const_iv (MAP_LOCKED)
868 const_iv (MAP_NORESERVE)
869 const_iv (MAP_POPULATE)
870 const_iv (MAP_NONBLOCK)
871
872 const_eio (MCL_FUTURE)
873 const_eio (MCL_CURRENT)
633 874
634 const_eio (MS_ASYNC) 875 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 876 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 877 const_eio (MS_SYNC)
637 878
638 const_eio (MT_MODIFY) 879 const_eio (MT_MODIFY)
639 880
640 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 881 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641 const_eio (SYNC_FILE_RANGE_WRITE) 882 const_eio (SYNC_FILE_RANGE_WRITE)
642 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 883 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
884
885 const_eio (FALLOC_FL_KEEP_SIZE)
643 886
644 const_eio (READDIR_DENTS) 887 const_eio (READDIR_DENTS)
645 const_eio (READDIR_DIRS_FIRST) 888 const_eio (READDIR_DIRS_FIRST)
646 const_eio (READDIR_STAT_ORDER) 889 const_eio (READDIR_STAT_ORDER)
647 const_eio (READDIR_FOUND_UNKNOWN) 890 const_eio (READDIR_FOUND_UNKNOWN)
… …
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 905 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663 906
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 907 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 908 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
666 909
910 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
911
667 create_respipe (); 912 create_respipe ();
668 913
669 if (eio_init (want_poll, done_poll) < 0) 914 if (eio_init (want_poll, done_poll) < 0)
670 croak ("IO::AIO: unable to initialise eio library"); 915 croak ("IO::AIO: unable to initialise eio library");
671 916
672 /* atfork child called in fifo order, so before eio's handler */ 917 /* atfork child called in fifo order, so before eio's handler */
673 X_THREAD_ATFORK (0, 0, atfork_child); 918 X_THREAD_ATFORK (0, 0, atfork_child);
674} 919}
675 920
676void 921void
677max_poll_reqs (int nreqs) 922max_poll_reqs (unsigned int nreqs)
678 PROTOTYPE: $ 923 PROTOTYPE: $
679 CODE: 924 CODE:
680 eio_set_max_poll_reqs (nreqs); 925 eio_set_max_poll_reqs (nreqs);
681 926
682void 927void
… …
684 PROTOTYPE: $ 929 PROTOTYPE: $
685 CODE: 930 CODE:
686 eio_set_max_poll_time (nseconds); 931 eio_set_max_poll_time (nseconds);
687 932
688void 933void
689min_parallel (int nthreads) 934min_parallel (unsigned int nthreads)
690 PROTOTYPE: $ 935 PROTOTYPE: $
691 CODE: 936 CODE:
692 eio_set_min_parallel (nthreads); 937 eio_set_min_parallel (nthreads);
693 938
694void 939void
695max_parallel (int nthreads) 940max_parallel (unsigned int nthreads)
696 PROTOTYPE: $ 941 PROTOTYPE: $
697 CODE: 942 CODE:
698 eio_set_max_parallel (nthreads); 943 eio_set_max_parallel (nthreads);
699 944
700void 945void
701max_idle (int nthreads) 946max_idle (unsigned int nthreads)
702 PROTOTYPE: $ 947 PROTOTYPE: $
703 CODE: 948 CODE:
704 eio_set_max_idle (nthreads); 949 eio_set_max_idle (nthreads);
705 950
706void 951void
952idle_timeout (unsigned int seconds)
953 PROTOTYPE: $
954 CODE:
955 eio_set_idle_timeout (seconds);
956
957void
707max_outstanding (int maxreqs) 958max_outstanding (unsigned int maxreqs)
708 PROTOTYPE: $ 959 PROTOTYPE: $
709 CODE: 960 CODE:
710 max_outstanding = maxreqs; 961 max_outstanding = maxreqs;
711 962
712void 963void
713aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 964aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
714 PROTOTYPE: $$$;$
715 PPCODE: 965 PPCODE:
716{ 966{
717 dREQ; 967 dREQ;
718 968
719 req->type = EIO_OPEN; 969 req->type = EIO_OPEN;
… …
725 REQ_SEND; 975 REQ_SEND;
726} 976}
727 977
728void 978void
729aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 979aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730 PROTOTYPE: $;$
731 ALIAS: 980 ALIAS:
732 aio_fsync = EIO_FSYNC 981 aio_fsync = EIO_FSYNC
733 aio_fdatasync = EIO_FDATASYNC 982 aio_fdatasync = EIO_FDATASYNC
734 PPCODE: 983 PPCODE:
735{ 984{
… …
743 REQ_SEND (req); 992 REQ_SEND (req);
744} 993}
745 994
746void 995void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 996aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE: 997 PPCODE:
750{ 998{
751 int fd = s_fileno_croak (fh, 0); 999 int fd = s_fileno_croak (fh, 0);
752 dREQ; 1000 dREQ;
753 1001
… …
760 1008
761 REQ_SEND (req); 1009 REQ_SEND (req);
762} 1010}
763 1011
764void 1012void
1013aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1014 PPCODE:
1015{
1016 int fd = s_fileno_croak (fh, 0);
1017 dREQ;
1018
1019 req->type = EIO_FALLOCATE;
1020 req->sv1 = newSVsv (fh);
1021 req->int1 = fd;
1022 req->int2 = mode;
1023 req->offs = offset;
1024 req->size = len;
1025
1026 REQ_SEND (req);
1027}
1028
1029void
765aio_close (SV *fh, SV *callback=&PL_sv_undef) 1030aio_close (SV *fh, SV *callback=&PL_sv_undef)
766 PROTOTYPE: $;$
767 PPCODE: 1031 PPCODE:
768{ 1032{
769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1033 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0); 1034 int fd = s_fileno_croak (fh, 0);
771 dREQ; 1035 dREQ;
… …
793void 1057void
794aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1058aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
795 ALIAS: 1059 ALIAS:
796 aio_read = EIO_READ 1060 aio_read = EIO_READ
797 aio_write = EIO_WRITE 1061 aio_write = EIO_WRITE
798 PROTOTYPE: $$$$$;$
799 PPCODE: 1062 PPCODE:
800{ 1063{
801 STRLEN svlen; 1064 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1065 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803 char *svptr = SvPVbyte (data, svlen); 1066 char *svptr = SvPVbyte (data, svlen);
… …
844 } 1107 }
845} 1108}
846 1109
847void 1110void
848aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1111aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
849 PROTOTYPE: $$;$ 1112 ALIAS:
1113 aio_readlink = EIO_READLINK
1114 aio_realpath = EIO_REALPATH
850 PPCODE: 1115 PPCODE:
851{ 1116{
852 SV *data; 1117 SV *data;
853 dREQ; 1118 dREQ;
854 1119
855 req->type = EIO_READLINK; 1120 req->type = ix;
856 req->sv1 = newSVsv (path); 1121 req->sv1 = newSVsv (path);
857 req->ptr1 = SvPVbyte_nolen (req->sv1); 1122 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 1123
859 REQ_SEND; 1124 REQ_SEND;
860} 1125}
861 1126
862void 1127void
863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1128aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
864 PROTOTYPE: $$$$;$
865 PPCODE: 1129 PPCODE:
866{ 1130{
867 int ifd = s_fileno_croak (in_fh , 0); 1131 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1); 1132 int ofd = s_fileno_croak (out_fh, 1);
869 dREQ; 1133 dREQ;
… …
879 REQ_SEND; 1143 REQ_SEND;
880} 1144}
881 1145
882void 1146void
883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1147aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$;$
885 PPCODE: 1148 PPCODE:
886{ 1149{
887 int fd = s_fileno_croak (fh, 0); 1150 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1151 dREQ;
889 1152
… …
920 } 1183 }
921 1184
922 REQ_SEND; 1185 REQ_SEND;
923} 1186}
924 1187
1188UV
1189major (UV dev)
1190 ALIAS:
1191 minor = 1
1192 CODE:
1193 RETVAL = ix ? major (dev) : minor (dev);
1194 OUTPUT:
1195 RETVAL
1196
1197UV
1198makedev (UV maj, UV min)
1199 CODE:
1200 RETVAL = makedev (maj, min);
1201 OUTPUT:
1202 RETVAL
1203
925void 1204void
926aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1205aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
927 PPCODE: 1206 PPCODE:
928{ 1207{
929 dREQ; 1208 dREQ;
… …
1090void 1369void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1370aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS: 1371 ALIAS:
1093 aio_mtouch = EIO_MTOUCH 1372 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC 1373 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE: 1374 PPCODE:
1097{ 1375{
1098 STRLEN svlen; 1376 STRLEN svlen;
1377 char *svptr = SvPVbyte (data, svlen);
1099 UV len = SvUV (length); 1378 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101 1379
1102 if (offset < 0) 1380 if (offset < 0)
1103 offset += svlen; 1381 offset += svlen;
1104 1382
1105 if (offset < 0 || offset > svlen) 1383 if (offset < 0 || offset > svlen)
… …
1110 1388
1111 { 1389 {
1112 dREQ; 1390 dREQ;
1113 1391
1114 req->type = ix; 1392 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data); 1393 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset; 1394 req->ptr2 = (char *)svptr + offset;
1395 req->size = len;
1118 req->int1 = flags; 1396 req->int1 = flags;
1119 1397
1120 REQ_SEND; 1398 REQ_SEND;
1121 } 1399 }
1122} 1400}
1123 1401
1124void 1402void
1403aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1404 PPCODE:
1405{
1406 STRLEN svlen;
1407 char *svptr = SvPVbyte (data, svlen);
1408 UV len = SvUV (length);
1409
1410 if (offset < 0)
1411 offset += svlen;
1412
1413 if (offset < 0 || offset > svlen)
1414 croak ("offset outside of scalar");
1415
1416 if (!SvOK (length) || len + offset > svlen)
1417 len = svlen - offset;
1418
1419 {
1420 dREQ;
1421
1422 req->type = EIO_MLOCK;
1423 req->sv2 = SvREFCNT_inc (data);
1424 req->ptr2 = (char *)svptr + offset;
1425 req->size = len;
1426
1427 REQ_SEND;
1428 }
1429}
1430
1431void
1432aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1433 PPCODE:
1434{
1435 dREQ;
1436
1437 req->type = EIO_MLOCKALL;
1438 req->int1 = flags;
1439
1440 REQ_SEND;
1441}
1442
1443void
1125aio_busy (double delay, SV *callback=&PL_sv_undef) 1444aio_busy (double delay, SV *callback=&PL_sv_undef)
1126 PPCODE: 1445 PPCODE:
1127{ 1446{
1128 dREQ; 1447 dREQ;
1129 1448
… …
1133 REQ_SEND; 1452 REQ_SEND;
1134} 1453}
1135 1454
1136void 1455void
1137aio_group (SV *callback=&PL_sv_undef) 1456aio_group (SV *callback=&PL_sv_undef)
1138 PROTOTYPE: ;$
1139 PPCODE: 1457 PPCODE:
1140{ 1458{
1141 dREQ; 1459 dREQ;
1142 1460
1143 req->type = EIO_GROUP; 1461 req->type = EIO_GROUP;
… …
1160 REQ_SEND; 1478 REQ_SEND;
1161} 1479}
1162 1480
1163int 1481int
1164aioreq_pri (int pri = 0) 1482aioreq_pri (int pri = 0)
1165 PROTOTYPE: ;$
1166 CODE: 1483 CODE:
1167 RETVAL = next_pri; 1484 RETVAL = next_pri;
1168 if (items > 0) 1485 if (items > 0)
1169 { 1486 {
1170 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1487 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1182 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1499 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183 next_pri = nice; 1500 next_pri = nice;
1184 1501
1185void 1502void
1186flush () 1503flush ()
1187 PROTOTYPE:
1188 CODE: 1504 CODE:
1189 while (eio_nreqs ()) 1505 while (eio_nreqs ())
1190 { 1506 {
1191 poll_wait (); 1507 poll_wait ();
1192 poll_cb (); 1508 poll_cb ();
1193 } 1509 }
1194 1510
1195int 1511int
1196poll() 1512poll ()
1197 PROTOTYPE:
1198 CODE: 1513 CODE:
1199 poll_wait (); 1514 poll_wait ();
1200 RETVAL = poll_cb (); 1515 RETVAL = poll_cb ();
1201 OUTPUT: 1516 OUTPUT:
1202 RETVAL 1517 RETVAL
1203 1518
1204int 1519int
1205poll_fileno() 1520poll_fileno ()
1206 PROTOTYPE:
1207 CODE: 1521 CODE:
1208 RETVAL = s_epipe_fd (&respipe); 1522 RETVAL = s_epipe_fd (&respipe);
1209 OUTPUT: 1523 OUTPUT:
1210 RETVAL 1524 RETVAL
1211 1525
1212int 1526int
1213poll_cb(...) 1527poll_cb (...)
1214 PROTOTYPE: 1528 PROTOTYPE:
1215 CODE: 1529 CODE:
1216 RETVAL = poll_cb (); 1530 RETVAL = poll_cb ();
1217 OUTPUT: 1531 OUTPUT:
1218 RETVAL 1532 RETVAL
1219 1533
1220void 1534void
1221poll_wait() 1535poll_wait ()
1222 PROTOTYPE:
1223 CODE: 1536 CODE:
1224 poll_wait (); 1537 poll_wait ();
1225 1538
1226int 1539int
1227nreqs() 1540nreqs ()
1228 PROTOTYPE:
1229 CODE: 1541 CODE:
1230 RETVAL = eio_nreqs (); 1542 RETVAL = eio_nreqs ();
1231 OUTPUT: 1543 OUTPUT:
1232 RETVAL 1544 RETVAL
1233 1545
1234int 1546int
1235nready() 1547nready ()
1236 PROTOTYPE:
1237 CODE: 1548 CODE:
1238 RETVAL = eio_nready (); 1549 RETVAL = eio_nready ();
1239 OUTPUT: 1550 OUTPUT:
1240 RETVAL 1551 RETVAL
1241 1552
1242int 1553int
1243npending() 1554npending ()
1244 PROTOTYPE:
1245 CODE: 1555 CODE:
1246 RETVAL = eio_npending (); 1556 RETVAL = eio_npending ();
1247 OUTPUT: 1557 OUTPUT:
1248 RETVAL 1558 RETVAL
1249 1559
1250int 1560int
1251nthreads() 1561nthreads ()
1252 PROTOTYPE:
1253 CODE: 1562 CODE:
1254 RETVAL = eio_nthreads (); 1563 RETVAL = eio_nthreads ();
1255 OUTPUT: 1564 OUTPUT:
1256 RETVAL 1565 RETVAL
1257 1566
1258int 1567int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1568fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE: 1569 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1570 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT: 1571 OUTPUT:
1268 RETVAL 1572 RETVAL
1269 1573
1270ssize_t 1574ssize_t
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1575sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE: 1576 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1577 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1578 OUTPUT:
1276 RETVAL 1579 RETVAL
1277 1580
1581void
1582mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1583 PPCODE:
1584 sv_unmagic (scalar, MMAP_MAGIC);
1585{
1586 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1587 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1588 if (addr == (void *)-1)
1589 XSRETURN_NO;
1590
1591 sv_force_normal (scalar);
1592
1593 /* we store the length in mg_obj, as namlen is I32 :/ */
1594 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1595 ->mg_obj = (SV *)length;
1596
1597 SvUPGRADE (scalar, SVt_PV); /* nop... */
1598
1599 if (!(prot & PROT_WRITE))
1600 SvREADONLY_on (scalar);
1601
1602 if (SvLEN (scalar))
1603 Safefree (SvPVX (scalar));
1604
1605 SvPVX (scalar) = (char *)addr;
1606 SvCUR_set (scalar, length);
1607 SvLEN_set (scalar, 0);
1608 SvPOK_only (scalar);
1609
1610 XSRETURN_YES;
1611}
1612
1613void
1614munmap (SV *scalar)
1615 CODE:
1616 sv_unmagic (scalar, MMAP_MAGIC);
1617
1278int 1618int
1279mlockall (int flags) 1619madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1280 PROTOTYPE: $ 1620 ALIAS:
1621 mprotect = 1
1281 CODE: 1622 CODE:
1623{
1624 STRLEN svlen;
1625 void *addr = SvPVbyte (scalar, svlen);
1626 size_t len = SvUV (length);
1627
1628 if (offset < 0)
1629 offset += svlen;
1630
1631 if (offset < 0 || offset > svlen)
1632 croak ("offset outside of scalar");
1633
1634 if (!SvOK (length) || len + offset > svlen)
1635 len = svlen - offset;
1636
1637 addr = (void *)(((intptr_t)addr) + offset);
1638 eio_page_align (&addr, &len);
1639
1640 switch (ix)
1641 {
1642 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1643 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1644 }
1645}
1646 OUTPUT:
1647 RETVAL
1648
1649int
1650munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1651 CODE:
1652{
1653 STRLEN svlen;
1654 void *addr = SvPVbyte (scalar, svlen);
1655 size_t len = SvUV (length);
1656
1657 if (offset < 0)
1658 offset += svlen;
1659
1660 if (offset < 0 || offset > svlen)
1661 croak ("offset outside of scalar");
1662
1663 if (!SvOK (length) || len + offset > svlen)
1664 len = svlen - offset;
1665
1666 addr = (void *)(((intptr_t)addr) + offset);
1667 eio_page_align (&addr, &len);
1282#if _POSIX_MEMLOCK 1668#if _POSIX_MEMLOCK_RANGE
1283#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1669 RETVAL = munlock (addr, len);
1284 extern int mallopt (int, int);
1285 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1286#endif
1287 mlockall (flags);
1288#else 1670#else
1289 RETVAL ＝-1; 1671 RETVAL = ((errno = ENOSYS), -1);
1290 errno = ENOSYS;
1291#endif 1672#endif
1673}
1292 OUTPUT: 1674 OUTPUT:
1293 RETVAL 1675 RETVAL
1294 1676
1295int 1677int
1296munlockall () 1678munlockall ()
1297 PROTOTYPE:
1298 CODE: 1679 CODE:
1299#if _POSIX_MEMLOCK 1680#if _POSIX_MEMLOCK
1300 munlockall (); 1681 munlockall ();
1301#else 1682#else
1302 RETVAL ＝-1; 1683 RETVAL = -1;
1303 errno = ENOSYS; 1684 errno = ENOSYS;
1304#endif 1685#endif
1305 OUTPUT: 1686 OUTPUT:
1306 RETVAL 1687 RETVAL
1307 1688

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