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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.160 by root, Thu Jan 7 18:25:51 2010 UTC vs.
Revision 1.184 by root, Tue Jul 5 20:34:42 2011 UTC

… …
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h> 16#include <sys/statvfs.h>
17#include <limits.h> 17#include <limits.h>
18#include <fcntl.h> 18#include <fcntl.h>
19#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
20 24
21/* perl namespace pollution */ 25/* perl namespace pollution */
22#undef VERSION 26#undef VERSION
23 27
24#ifdef _WIN32 28#ifdef _WIN32
… …
114 STRLEN stroffset; \ 118 STRLEN stroffset; \
115 SV *self; 119 SV *self;
116 120
117#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
118 122
123#include "libeio/config.h"
119#include "libeio/eio.h" 124#include "libeio/eio.h"
125
126/* Linux/others */
127#ifndef O_ASYNC
128# define O_ASYNC 0
129#endif
130#ifndef O_DIRECT
131# define O_DIRECT 0
132#endif
133#ifndef O_NOATIME
134# define O_NOATIME 0
135#endif
136
137/* POSIX */
138#ifndef O_CLOEXEC
139# define O_CLOEXEC 0
140#endif
141#ifndef O_NOFOLLOW
142# define O_NOFOLLOW 0
143#endif
144#ifndef O_NOCTTY
145# define O_NOCTTY 0
146#endif
147#ifndef O_NONBLOCK
148# define O_NONBLOCK 0
149#endif
150#ifndef O_EXEC
151# define O_EXEC 0
152#endif
153#ifndef O_SEARCH
154# define O_SEARCH 0
155#endif
156#ifndef O_DIRECTORY
157# define O_DIRECTORY 0
158#endif
159#ifndef O_DSYNC
160# define O_DSYNC 0
161#endif
162#ifndef O_RSYNC
163# define O_RSYNC 0
164#endif
165#ifndef O_SYNC
166# define O_SYNC 0
167#endif
168#ifndef O_TTY_INIT
169# define O_TTY_INIT 0
170#endif
120 171
121#ifndef POSIX_FADV_NORMAL 172#ifndef POSIX_FADV_NORMAL
122# define POSIX_FADV_NORMAL 0 173# define POSIX_FADV_NORMAL 0
123# define NO_FADVISE 1
124#endif 174#endif
125
126#ifndef POSIX_FADV_SEQUENTIAL 175#ifndef POSIX_FADV_SEQUENTIAL
127# define POSIX_FADV_SEQUENTIAL 0 176# define POSIX_FADV_SEQUENTIAL 0
128#endif 177#endif
129
130#ifndef POSIX_FADV_RANDOM 178#ifndef POSIX_FADV_RANDOM
131# define POSIX_FADV_RANDOM 0 179# define POSIX_FADV_RANDOM 0
132#endif 180#endif
133
134#ifndef POSIX_FADV_NOREUSE 181#ifndef POSIX_FADV_NOREUSE
135# define POSIX_FADV_NOREUSE 0 182# define POSIX_FADV_NOREUSE 0
136#endif 183#endif
137
138#ifndef POSIX_FADV_WILLNEED 184#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0 185# define POSIX_FADV_WILLNEED 0
140#endif 186#endif
141
142#ifndef POSIX_FADV_DONTNEED 187#ifndef POSIX_FADV_DONTNEED
143# define POSIX_FADV_DONTNEED 0 188# define POSIX_FADV_DONTNEED 0
144#endif 189#endif
145 190
191#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif
194
195#ifndef POSIX_MADV_NORMAL
196# define POSIX_MADV_NORMAL 0
197#endif
198#ifndef POSIX_MADV_SEQUENTIAL
199# define POSIX_MADV_SEQUENTIAL 0
200#endif
201#ifndef POSIX_MADV_RANDOM
202# define POSIX_MADV_RANDOM 0
203#endif
204#ifndef POSIX_MADV_WILLNEED
205# define POSIX_MADV_WILLNEED 0
206#endif
207#ifndef POSIX_MADV_DONTNEED
208# define POSIX_MADV_DONTNEED 0
209#endif
210
211#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef PROT_NONE
216# define PROT_NONE 0
217#endif
218#ifndef PROT_READ
219# define PROT_READ 0
220#endif
221#ifndef PROT_WRITE
222# define PROT_READ 0
223#endif
224#ifndef PROT_EXEC
225# define PROT_EXEC 0
226#endif
227
146#ifndef ST_NODEV 228#ifndef ST_NODEV
147# define ST_NODEV 0 229# define ST_NODEV 0
148#endif 230#endif
149
150#ifndef ST_NOEXEC 231#ifndef ST_NOEXEC
151# define ST_NOEXEC 0 232# define ST_NOEXEC 0
152#endif 233#endif
153
154#ifndef ST_SYNCHRONOUS 234#ifndef ST_SYNCHRONOUS
155# define ST_SYNCHRONOUS 0 235# define ST_SYNCHRONOUS 0
156#endif 236#endif
157
158#ifndef ST_MANDLOCK 237#ifndef ST_MANDLOCK
159# define ST_MANDLOCK 0 238# define ST_MANDLOCK 0
160#endif 239#endif
161
162#ifndef ST_WRITE 240#ifndef ST_WRITE
163# define ST_WRITE 0 241# define ST_WRITE 0
164#endif 242#endif
165
166#ifndef ST_APPEND 243#ifndef ST_APPEND
167# define ST_APPEND 0 244# define ST_APPEND 0
168#endif 245#endif
169
170#ifndef ST_IMMUTABLE 246#ifndef ST_IMMUTABLE
171# define ST_IMMUTABLE 0 247# define ST_IMMUTABLE 0
172#endif 248#endif
173
174#ifndef ST_NOATIME 249#ifndef ST_NOATIME
175# define ST_NOATIME 0 250# define ST_NOATIME 0
176#endif 251#endif
177
178#ifndef ST_NODIRATIME 252#ifndef ST_NODIRATIME
179# define ST_NODIRATIME 0 253# define ST_NODIRATIME 0
180#endif 254#endif
181
182#ifndef ST_RELATIME 255#ifndef ST_RELATIME
183# define ST_RELATIME 0 256# define ST_RELATIME 0
257#endif
258
259#ifndef S_IFIFO
260# define S_IFIFO 0
261#endif
262#ifndef S_IFCHR
263# define S_IFCHR 0
264#endif
265#ifndef S_IFBLK
266# define S_IFBLK 0
267#endif
268#ifndef S_IFLNK
269# define S_IFLNK 0
270#endif
271#ifndef S_IFREG
272# define S_IFREG 0
273#endif
274#ifndef S_IFDIR
275# define S_IFDIR 0
276#endif
277#ifndef S_IFWHT
278# define S_IFWHT 0
279#endif
280#ifndef S_IFSOCK
281# define S_IFSOCK 0
282#endif
283
284#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON
287# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif
290#endif
291#ifndef MAP_HUGETLB
292# define MAP_HUGETLB 0
293#endif
294#ifndef MAP_LOCKED
295# define MAP_LOCKED 0
296#endif
297#ifndef MAP_NORESERVE
298# define MAP_NORESERVE 0
299#endif
300#ifndef MAP_POPULATE
301# define MAP_POPULATE 0
302#endif
303#ifndef MAP_NONBLOCK
304# define MAP_NONBLOCK 0
305#endif
306
307#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min))
309#endif
310#ifndef major
311# define major(dev) ((dev) >> 8)
312#endif
313#ifndef minor
314# define minor(dev) ((dev) & 0xff)
315#endif
316
317#ifndef PAGESIZE
318# define PAGESIZE sysconf (_SC_PAGESIZE)
184#endif 319#endif
185 320
186static int req_invoke (eio_req *req); 321static int req_invoke (eio_req *req);
187#define EIO_FINISH(req) req_invoke (req) 322#define EIO_FINISH(req) req_invoke (req)
188static void req_destroy (eio_req *grp); 323static void req_destroy (eio_req *grp);
… …
280 } 415 }
281} 416}
282 417
283static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
284{ 419{
285 dSP;
286
287 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
288 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
289 422
290 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
291 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
292 ENTER; 429 ENTER;
293 SAVETMPS; 430 SAVETMPS;
294 PUSHMARK (SP); 431 PUSHMARK (SP);
295 EXTEND (SP, 1); 432 EXTEND (SP, 1);
433
434 /* do not recreate the result IV from scratch each time */
435 if (expect_true (sv_result_cache))
436 {
437 sv_result = sv_result_cache; sv_result_cache = 0;
438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
440 }
441 else
442 {
443 sv_result = newSViv (req->result);
444 SvREADONLY_on (sv_result);
445 }
296 446
297 switch (req->type) 447 switch (req->type)
298 { 448 {
299 case EIO_READDIR: 449 case EIO_READDIR:
300 { 450 {
… …
435 case EIO_NOP: 585 case EIO_NOP:
436 case EIO_BUSY: 586 case EIO_BUSY:
437 break; 587 break;
438 588
439 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
440 if (req->result > 0) 591 if (req->result > 0)
441 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
442 break; 593 break;
443 594
444 case EIO_STAT: 595 case EIO_STAT:
445 case EIO_LSTAT: 596 case EIO_LSTAT:
446 case EIO_FSTAT: 597 case EIO_FSTAT:
447 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
448 PL_laststatval = req->result; 599 PL_laststatval = req->result;
449 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
450 PUSHs (sv_2mortal (newSViv (req->result))); 601 PUSHs (sv_result);
451 break; 602 break;
452 603
453 case EIO_READ: 604 case EIO_READ:
454 { 605 {
455 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
456 *SvEND (req->sv2) = 0; 607 *SvEND (req->sv2) = 0;
457 SvPOK_only (req->sv2); 608 SvPOK_only (req->sv2);
458 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
459 PUSHs (sv_2mortal (newSViv (req->result))); 610 PUSHs (sv_result);
460 } 611 }
461 break; 612 break;
462 613
463 case EIO_DUP2: 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
464 if (req->result > 0) 615 if (req->result > 0)
465 req->result = 0; 616 SvIV_set (sv_result, 0);
466 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
467 618
468 default: 619 default:
469 PUSHs (sv_2mortal (newSViv (req->result))); 620 PUSHs (sv_result);
470 break; 621 break;
471 } 622 }
472 623
473 errno = req->errorno; 624 errno = req->errorno;
474 625
475 PUTBACK; 626 PUTBACK;
476 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 627 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
477 SPAGAIN; 628 SPAGAIN;
629
630 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
631 SvREFCNT_dec (sv_result);
632 else
633 sv_result_cache = sv_result;
478 634
479 FREETMPS; 635 FREETMPS;
480 LEAVE; 636 LEAVE;
481 637
482 PUTBACK; 638 PUTBACK;
… …
511 grp->sv2 = 0; 667 grp->sv2 = 0;
512 668
513 eio_grp_cancel (grp); 669 eio_grp_cancel (grp);
514} 670}
515 671
516static void
517create_respipe (void) 672static void create_respipe (void)
518{ 673{
519 if (s_epipe_renew (&respipe)) 674 if (s_epipe_renew (&respipe))
520 croak ("IO::AIO: unable to initialize result pipe"); 675 croak ("IO::AIO: unable to initialize result pipe");
521} 676}
522 677
… …
558static void atfork_child (void) 713static void atfork_child (void)
559{ 714{
560 create_respipe (); 715 create_respipe ();
561} 716}
562 717
563static SV * 718/*****************************************************************************/
719
720#if !_POSIX_MAPPED_FILES
721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
722# define munmap(addr,length) (errno = ENOSYS, -1)
723#endif
724
725#if !_POSIX_MEMORY_PROTECTION
726# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
727# define PROT_NONE 0
728# define PROT_WRITE 0
729# define MAP_PRIVATE 0
730# define MAP_SHARED 0
731# define MAP_FIXED 0
732#endif
733
734#define MMAP_MAGIC PERL_MAGIC_ext
735
736static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
737{
738 int old_errno = errno;
739 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
740 errno = old_errno;
741
742 mg->mg_obj = 0; /* just in case */
743
744 SvREADONLY_off (sv);
745
746 if (SvPVX (sv) != mg->mg_ptr)
747 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
748
749 SvCUR_set (sv, 0);
750 SvPVX (sv) = 0;
751 SvOK_off (sv);
752
753 return 0;
754}
755
756static MGVTBL mmap_vtbl = {
757 0, 0, 0, 0, mmap_free
758};
759
760/*****************************************************************************/
761
564get_cb (SV *cb_sv) 762static SV * get_cb (SV *cb_sv)
565{ 763{
566 SvGETMAGIC (cb_sv); 764 SvGETMAGIC (cb_sv);
567 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 765 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
568} 766}
569 767
… …
598{ 796{
599 static const struct { 797 static const struct {
600 const char *name; 798 const char *name;
601 IV iv; 799 IV iv;
602 } *civ, const_iv[] = { 800 } *civ, const_iv[] = {
603# define const_iv(name, value) { # name, (IV) value }, 801# define const_niv(name, value) { # name, (IV) value },
802# define const_iv(name) { # name, (IV) name },
604# define const_eio(name) { # name, (IV) EIO_ ## name }, 803# define const_eio(name) { # name, (IV) EIO_ ## name },
605 const_iv (EXDEV , EXDEV) 804 const_iv (EXDEV)
606 const_iv (ENOSYS , ENOSYS) 805 const_iv (ENOSYS)
607 const_iv (O_RDONLY, O_RDONLY) 806 const_iv (O_RDONLY)
608 const_iv (O_WRONLY, O_WRONLY) 807 const_iv (O_WRONLY)
808 const_iv (O_RDWR)
609 const_iv (O_CREAT , O_CREAT) 809 const_iv (O_CREAT)
610 const_iv (O_TRUNC , O_TRUNC) 810 const_iv (O_TRUNC)
611#ifndef _WIN32 811 const_iv (O_EXCL)
812 const_iv (O_APPEND)
813
814 const_iv (O_ASYNC)
815 const_iv (O_DIRECT)
816 const_iv (O_NOATIME)
817
818 const_iv (O_CLOEXEC)
819 const_iv (O_NOCTTY)
820 const_iv (O_NOFOLLOW)
821 const_iv (O_NONBLOCK)
822 const_iv (O_EXEC)
823 const_iv (O_SEARCH)
824 const_iv (O_DIRECTORY)
825 const_iv (O_DSYNC)
826 const_iv (O_RSYNC)
827 const_iv (O_SYNC)
828 const_iv (O_TTY_INIT)
829
612 const_iv (S_IFIFO , S_IFIFO) 830 const_iv (S_IFIFO)
613#endif 831 const_iv (S_IFCHR)
832 const_iv (S_IFBLK)
833 const_iv (S_IFLNK)
834 const_iv (S_IFREG)
835 const_iv (S_IFDIR)
836 const_iv (S_IFWHT)
837 const_iv (S_IFSOCK)
838 const_iv (S_IFMT)
839
614 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 840 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 841 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 842 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 843 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 844 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 845 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620 846
621 const_iv (ST_RDONLY , ST_RDONLY) 847 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
622 const_iv (ST_NOSUID , ST_NOSUID) 848 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
623 const_iv (ST_NODEV , ST_NODEV) 849 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
624 const_iv (ST_NOEXEC , ST_NOEXEC) 850 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
851 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
852
853 const_iv (ST_RDONLY)
854 const_iv (ST_NOSUID)
855 const_iv (ST_NODEV)
856 const_iv (ST_NOEXEC)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 857 const_iv (ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK) 858 const_iv (ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE) 859 const_iv (ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND) 860 const_iv (ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 861 const_iv (ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME) 862 const_iv (ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME) 863 const_iv (ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME) 864 const_iv (ST_RELATIME)
865
866 const_iv (PROT_NONE)
867 const_iv (PROT_EXEC)
868 const_iv (PROT_READ)
869 const_iv (PROT_WRITE)
870
871 /*const_iv (MAP_FIXED)*/
872 const_iv (MAP_PRIVATE)
873 const_iv (MAP_SHARED)
874 const_iv (MAP_ANONYMOUS)
875
876 /* linuxish */
877 const_iv (MAP_HUGETLB)
878 const_iv (MAP_LOCKED)
879 const_iv (MAP_NORESERVE)
880 const_iv (MAP_POPULATE)
881 const_iv (MAP_NONBLOCK)
882
883 const_eio (MCL_FUTURE)
884 const_eio (MCL_CURRENT)
633 885
634 const_eio (MS_ASYNC) 886 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 887 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 888 const_eio (MS_SYNC)
637 889
… …
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 914 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663 915
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 916 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 917 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
666 918
919 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
920
667 create_respipe (); 921 create_respipe ();
668 922
669 if (eio_init (want_poll, done_poll) < 0) 923 if (eio_init (want_poll, done_poll) < 0)
670 croak ("IO::AIO: unable to initialise eio library"); 924 croak ("IO::AIO: unable to initialise eio library");
671 925
672 /* atfork child called in fifo order, so before eio's handler */ 926 /* atfork child called in fifo order, so before eio's handler */
673 X_THREAD_ATFORK (0, 0, atfork_child); 927 X_THREAD_ATFORK (0, 0, atfork_child);
674} 928}
675 929
676void 930void
677max_poll_reqs (int nreqs) 931max_poll_reqs (unsigned int nreqs)
678 PROTOTYPE: $ 932 PROTOTYPE: $
679 CODE: 933 CODE:
680 eio_set_max_poll_reqs (nreqs); 934 eio_set_max_poll_reqs (nreqs);
681 935
682void 936void
… …
684 PROTOTYPE: $ 938 PROTOTYPE: $
685 CODE: 939 CODE:
686 eio_set_max_poll_time (nseconds); 940 eio_set_max_poll_time (nseconds);
687 941
688void 942void
689min_parallel (int nthreads) 943min_parallel (unsigned int nthreads)
690 PROTOTYPE: $ 944 PROTOTYPE: $
691 CODE: 945 CODE:
692 eio_set_min_parallel (nthreads); 946 eio_set_min_parallel (nthreads);
693 947
694void 948void
695max_parallel (int nthreads) 949max_parallel (unsigned int nthreads)
696 PROTOTYPE: $ 950 PROTOTYPE: $
697 CODE: 951 CODE:
698 eio_set_max_parallel (nthreads); 952 eio_set_max_parallel (nthreads);
699 953
700void 954void
701max_idle (int nthreads) 955max_idle (unsigned int nthreads)
702 PROTOTYPE: $ 956 PROTOTYPE: $
703 CODE: 957 CODE:
704 eio_set_max_idle (nthreads); 958 eio_set_max_idle (nthreads);
705 959
706void 960void
961idle_timeout (unsigned int seconds)
962 PROTOTYPE: $
963 CODE:
964 eio_set_idle_timeout (seconds);
965
966void
707max_outstanding (int maxreqs) 967max_outstanding (unsigned int maxreqs)
708 PROTOTYPE: $ 968 PROTOTYPE: $
709 CODE: 969 CODE:
710 max_outstanding = maxreqs; 970 max_outstanding = maxreqs;
711 971
712void 972void
713aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 973aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
714 PROTOTYPE: $$$;$
715 PPCODE: 974 PPCODE:
716{ 975{
717 dREQ; 976 dREQ;
718 977
719 req->type = EIO_OPEN; 978 req->type = EIO_OPEN;
… …
725 REQ_SEND; 984 REQ_SEND;
726} 985}
727 986
728void 987void
729aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 988aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730 PROTOTYPE: $;$
731 ALIAS: 989 ALIAS:
732 aio_fsync = EIO_FSYNC 990 aio_fsync = EIO_FSYNC
733 aio_fdatasync = EIO_FDATASYNC 991 aio_fdatasync = EIO_FDATASYNC
734 PPCODE: 992 PPCODE:
735{ 993{
… …
743 REQ_SEND (req); 1001 REQ_SEND (req);
744} 1002}
745 1003
746void 1004void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1005aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE: 1006 PPCODE:
750{ 1007{
751 int fd = s_fileno_croak (fh, 0); 1008 int fd = s_fileno_croak (fh, 0);
752 dREQ; 1009 dREQ;
753 1010
… …
761 REQ_SEND (req); 1018 REQ_SEND (req);
762} 1019}
763 1020
764void 1021void
765aio_close (SV *fh, SV *callback=&PL_sv_undef) 1022aio_close (SV *fh, SV *callback=&PL_sv_undef)
766 PROTOTYPE: $;$
767 PPCODE: 1023 PPCODE:
768{ 1024{
769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1025 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0); 1026 int fd = s_fileno_croak (fh, 0);
771 dREQ; 1027 dREQ;
… …
793void 1049void
794aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1050aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
795 ALIAS: 1051 ALIAS:
796 aio_read = EIO_READ 1052 aio_read = EIO_READ
797 aio_write = EIO_WRITE 1053 aio_write = EIO_WRITE
798 PROTOTYPE: $$$$$;$
799 PPCODE: 1054 PPCODE:
800{ 1055{
801 STRLEN svlen; 1056 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1057 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803 char *svptr = SvPVbyte (data, svlen); 1058 char *svptr = SvPVbyte (data, svlen);
… …
844 } 1099 }
845} 1100}
846 1101
847void 1102void
848aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1103aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
849 PROTOTYPE: $$;$ 1104 ALIAS:
1105 aio_readlink = EIO_READLINK
1106 aio_realpath = EIO_REALPATH
850 PPCODE: 1107 PPCODE:
851{ 1108{
852 SV *data; 1109 SV *data;
853 dREQ; 1110 dREQ;
854 1111
855 req->type = EIO_READLINK; 1112 req->type = ix;
856 req->sv1 = newSVsv (path); 1113 req->sv1 = newSVsv (path);
857 req->ptr1 = SvPVbyte_nolen (req->sv1); 1114 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 1115
859 REQ_SEND; 1116 REQ_SEND;
860} 1117}
861 1118
862void 1119void
863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1120aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
864 PROTOTYPE: $$$$;$
865 PPCODE: 1121 PPCODE:
866{ 1122{
867 int ifd = s_fileno_croak (in_fh , 0); 1123 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1); 1124 int ofd = s_fileno_croak (out_fh, 1);
869 dREQ; 1125 dREQ;
… …
879 REQ_SEND; 1135 REQ_SEND;
880} 1136}
881 1137
882void 1138void
883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1139aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$;$
885 PPCODE: 1140 PPCODE:
886{ 1141{
887 int fd = s_fileno_croak (fh, 0); 1142 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1143 dREQ;
889 1144
… …
920 } 1175 }
921 1176
922 REQ_SEND; 1177 REQ_SEND;
923} 1178}
924 1179
1180UV
1181major (UV dev)
1182 ALIAS:
1183 minor = 1
1184 CODE:
1185 RETVAL = ix ? major (dev) : minor (dev);
1186 OUTPUT:
1187 RETVAL
1188
1189UV
1190makedev (UV maj, UV min)
1191 CODE:
1192 RETVAL = makedev (maj, min);
1193 OUTPUT:
1194 RETVAL
1195
925void 1196void
926aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1197aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
927 PPCODE: 1198 PPCODE:
928{ 1199{
929 dREQ; 1200 dREQ;
… …
1090void 1361void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1362aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS: 1363 ALIAS:
1093 aio_mtouch = EIO_MTOUCH 1364 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC 1365 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE: 1366 PPCODE:
1097{ 1367{
1098 STRLEN svlen; 1368 STRLEN svlen;
1369 char *svptr = SvPVbyte (data, svlen);
1099 UV len = SvUV (length); 1370 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101 1371
1102 if (offset < 0) 1372 if (offset < 0)
1103 offset += svlen; 1373 offset += svlen;
1104 1374
1105 if (offset < 0 || offset > svlen) 1375 if (offset < 0 || offset > svlen)
… …
1110 1380
1111 { 1381 {
1112 dREQ; 1382 dREQ;
1113 1383
1114 req->type = ix; 1384 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data); 1385 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset; 1386 req->ptr2 = (char *)svptr + offset;
1387 req->size = len;
1118 req->int1 = flags; 1388 req->int1 = flags;
1119 1389
1120 REQ_SEND; 1390 REQ_SEND;
1121 } 1391 }
1122} 1392}
1123 1393
1124void 1394void
1395aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1396 PPCODE:
1397{
1398 STRLEN svlen;
1399 char *svptr = SvPVbyte (data, svlen);
1400 UV len = SvUV (length);
1401
1402 if (offset < 0)
1403 offset += svlen;
1404
1405 if (offset < 0 || offset > svlen)
1406 croak ("offset outside of scalar");
1407
1408 if (!SvOK (length) || len + offset > svlen)
1409 len = svlen - offset;
1410
1411 {
1412 dREQ;
1413
1414 req->type = EIO_MLOCK;
1415 req->sv2 = SvREFCNT_inc (data);
1416 req->ptr2 = (char *)svptr + offset;
1417 req->size = len;
1418
1419 REQ_SEND;
1420 }
1421}
1422
1423void
1424aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1425 PPCODE:
1426{
1427 dREQ;
1428
1429 req->type = EIO_MLOCKALL;
1430 req->int1 = flags;
1431
1432 REQ_SEND;
1433}
1434
1435void
1125aio_busy (double delay, SV *callback=&PL_sv_undef) 1436aio_busy (double delay, SV *callback=&PL_sv_undef)
1126 PPCODE: 1437 PPCODE:
1127{ 1438{
1128 dREQ; 1439 dREQ;
1129 1440
… …
1133 REQ_SEND; 1444 REQ_SEND;
1134} 1445}
1135 1446
1136void 1447void
1137aio_group (SV *callback=&PL_sv_undef) 1448aio_group (SV *callback=&PL_sv_undef)
1138 PROTOTYPE: ;$
1139 PPCODE: 1449 PPCODE:
1140{ 1450{
1141 dREQ; 1451 dREQ;
1142 1452
1143 req->type = EIO_GROUP; 1453 req->type = EIO_GROUP;
… …
1160 REQ_SEND; 1470 REQ_SEND;
1161} 1471}
1162 1472
1163int 1473int
1164aioreq_pri (int pri = 0) 1474aioreq_pri (int pri = 0)
1165 PROTOTYPE: ;$
1166 CODE: 1475 CODE:
1167 RETVAL = next_pri; 1476 RETVAL = next_pri;
1168 if (items > 0) 1477 if (items > 0)
1169 { 1478 {
1170 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1479 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1182 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1491 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183 next_pri = nice; 1492 next_pri = nice;
1184 1493
1185void 1494void
1186flush () 1495flush ()
1187 PROTOTYPE:
1188 CODE: 1496 CODE:
1189 while (eio_nreqs ()) 1497 while (eio_nreqs ())
1190 { 1498 {
1191 poll_wait (); 1499 poll_wait ();
1192 poll_cb (); 1500 poll_cb ();
1193 } 1501 }
1194 1502
1195int 1503int
1196poll() 1504poll ()
1197 PROTOTYPE:
1198 CODE: 1505 CODE:
1199 poll_wait (); 1506 poll_wait ();
1200 RETVAL = poll_cb (); 1507 RETVAL = poll_cb ();
1201 OUTPUT: 1508 OUTPUT:
1202 RETVAL 1509 RETVAL
1203 1510
1204int 1511int
1205poll_fileno() 1512poll_fileno ()
1206 PROTOTYPE:
1207 CODE: 1513 CODE:
1208 RETVAL = s_epipe_fd (&respipe); 1514 RETVAL = s_epipe_fd (&respipe);
1209 OUTPUT: 1515 OUTPUT:
1210 RETVAL 1516 RETVAL
1211 1517
1212int 1518int
1213poll_cb(...) 1519poll_cb (...)
1214 PROTOTYPE: 1520 PROTOTYPE:
1215 CODE: 1521 CODE:
1216 RETVAL = poll_cb (); 1522 RETVAL = poll_cb ();
1217 OUTPUT: 1523 OUTPUT:
1218 RETVAL 1524 RETVAL
1219 1525
1220void 1526void
1221poll_wait() 1527poll_wait ()
1222 PROTOTYPE:
1223 CODE: 1528 CODE:
1224 poll_wait (); 1529 poll_wait ();
1225 1530
1226int 1531int
1227nreqs() 1532nreqs ()
1228 PROTOTYPE:
1229 CODE: 1533 CODE:
1230 RETVAL = eio_nreqs (); 1534 RETVAL = eio_nreqs ();
1231 OUTPUT: 1535 OUTPUT:
1232 RETVAL 1536 RETVAL
1233 1537
1234int 1538int
1235nready() 1539nready ()
1236 PROTOTYPE:
1237 CODE: 1540 CODE:
1238 RETVAL = eio_nready (); 1541 RETVAL = eio_nready ();
1239 OUTPUT: 1542 OUTPUT:
1240 RETVAL 1543 RETVAL
1241 1544
1242int 1545int
1243npending() 1546npending ()
1244 PROTOTYPE:
1245 CODE: 1547 CODE:
1246 RETVAL = eio_npending (); 1548 RETVAL = eio_npending ();
1247 OUTPUT: 1549 OUTPUT:
1248 RETVAL 1550 RETVAL
1249 1551
1250int 1552int
1251nthreads() 1553nthreads ()
1252 PROTOTYPE:
1253 CODE: 1554 CODE:
1254 RETVAL = eio_nthreads (); 1555 RETVAL = eio_nthreads ();
1255 OUTPUT: 1556 OUTPUT:
1256 RETVAL 1557 RETVAL
1257 1558
1258int 1559int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1560fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE: 1561 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1562 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT: 1563 OUTPUT:
1268 RETVAL 1564 RETVAL
1269 1565
1270ssize_t 1566ssize_t
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1567sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE: 1568 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1569 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1570 OUTPUT:
1276 RETVAL 1571 RETVAL
1277 1572
1573void
1574mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1575 PPCODE:
1576 sv_unmagic (scalar, MMAP_MAGIC);
1577{
1578 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1579 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1580 if (addr == (void *)-1)
1581 XSRETURN_NO;
1582
1583 sv_force_normal (scalar);
1584
1585 /* we store the length in mg_obj, as namlen is I32 :/ */
1586 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1587 ->mg_obj = (SV *)length;
1588
1589 SvUPGRADE (scalar, SVt_PV); /* nop... */
1590
1591 if (!(prot & PROT_WRITE))
1592 SvREADONLY_on (scalar);
1593
1594 if (SvLEN (scalar))
1595 Safefree (SvPVX (scalar));
1596
1597 SvPVX (scalar) = (char *)addr;
1598 SvCUR_set (scalar, length);
1599 SvLEN_set (scalar, 0);
1600 SvPOK_only (scalar);
1601
1602 XSRETURN_YES;
1603}
1604
1605void
1606munmap (SV *scalar)
1607 CODE:
1608 sv_unmagic (scalar, MMAP_MAGIC);
1609
1610int
1611madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1612 ALIAS:
1613 mprotect = 1
1614 CODE:
1615{
1616 STRLEN svlen;
1617 void *addr = SvPVbyte (scalar, svlen);
1618 size_t len = SvUV (length);
1619
1620 if (offset < 0)
1621 offset += svlen;
1622
1623 if (offset < 0 || offset > svlen)
1624 croak ("offset outside of scalar");
1625
1626 if (!SvOK (length) || len + offset > svlen)
1627 len = svlen - offset;
1628
1629 addr = (void *)(((intptr_t)addr) + offset);
1630 eio_page_align (&addr, &len);
1631
1632 switch (ix)
1633 {
1634 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1635 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1636 }
1637}
1638 OUTPUT:
1639 RETVAL
1640
1641int
1642munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1643 CODE:
1644{
1645 STRLEN svlen;
1646 void *addr = SvPVbyte (scalar, svlen);
1647 size_t len = SvUV (length);
1648
1649 if (offset < 0)
1650 offset += svlen;
1651
1652 if (offset < 0 || offset > svlen)
1653 croak ("offset outside of scalar");
1654
1655 if (!SvOK (length) || len + offset > svlen)
1656 len = svlen - offset;
1657
1658 addr = (void *)(((intptr_t)addr) + offset);
1659 eio_page_align (&addr, &len);
1660#if _POSIX_MEMLOCK_RANGE
1661 RETVAL = munlock (addr, len);
1662#else
1663 RETVAL = ((errno = ENOSYS), -1);
1664#endif
1665}
1666 OUTPUT:
1667 RETVAL
1668
1669int
1670munlockall ()
1671 CODE:
1672#if _POSIX_MEMLOCK
1673 munlockall ();
1674#else
1675 RETVAL = -1;
1676 errno = ENOSYS;
1677#endif
1678 OUTPUT:
1679 RETVAL
1680
1278void _on_next_submit (SV *cb) 1681void _on_next_submit (SV *cb)
1279 CODE: 1682 CODE:
1280 SvREFCNT_dec (on_next_submit); 1683 SvREFCNT_dec (on_next_submit);
1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1684 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282 1685

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