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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.184 by root, Tue Jul 5 20:34:42 2011 UTC

… …
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 20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 22# include <sys/mman.h>
23#endif
24
25#if !_POSIX_MAPPED_FILES
26# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
27# define munmap(addr,length) (errno = ENOSYS, -1)
28#endif 23#endif
29 24
30/* perl namespace pollution */ 25/* perl namespace pollution */
31#undef VERSION 26#undef VERSION
32 27
… …
123 STRLEN stroffset; \ 118 STRLEN stroffset; \
124 SV *self; 119 SV *self;
125 120
126#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
127 122
123#include "libeio/config.h"
128#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
129 171
130#ifndef POSIX_FADV_NORMAL 172#ifndef POSIX_FADV_NORMAL
131# define POSIX_FADV_NORMAL 0 173# define POSIX_FADV_NORMAL 0
132# define NO_FADVISE 1
133#endif 174#endif
134#ifndef POSIX_FADV_SEQUENTIAL 175#ifndef POSIX_FADV_SEQUENTIAL
135# define POSIX_FADV_SEQUENTIAL 0 176# define POSIX_FADV_SEQUENTIAL 0
136#endif 177#endif
137#ifndef POSIX_FADV_RANDOM 178#ifndef POSIX_FADV_RANDOM
… …
145#endif 186#endif
146#ifndef POSIX_FADV_DONTNEED 187#ifndef POSIX_FADV_DONTNEED
147# define POSIX_FADV_DONTNEED 0 188# define POSIX_FADV_DONTNEED 0
148#endif 189#endif
149 190
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
150#ifndef ST_NODEV 228#ifndef ST_NODEV
151# define ST_NODEV 0 229# define ST_NODEV 0
152#endif 230#endif
153#ifndef ST_NOEXEC 231#ifndef ST_NOEXEC
154# define ST_NOEXEC 0 232# define ST_NOEXEC 0
… …
176#endif 254#endif
177#ifndef ST_RELATIME 255#ifndef ST_RELATIME
178# define ST_RELATIME 0 256# define ST_RELATIME 0
179#endif 257#endif
180 258
181#ifndef MCL_CURRENT 259#ifndef S_IFIFO
182# define MCL_CURRENT 0 260# define S_IFIFO 0
183#endif 261#endif
184#ifndef MCL_FUTURE 262#ifndef S_IFCHR
185# define MCL_FUTURE 0 263# 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
186#endif 282#endif
187 283
188#ifndef MAP_ANONYMOUS 284#ifndef MAP_ANONYMOUS
189# ifdef MAP_ANON 285# ifdef MAP_ANON
190# define MAP_ANONYMOUS MAP_ANON 286# define MAP_ANONYMOUS MAP_ANON
… …
204#ifndef MAP_POPULATE 300#ifndef MAP_POPULATE
205# define MAP_POPULATE 0 301# define MAP_POPULATE 0
206#endif 302#endif
207#ifndef MAP_NONBLOCK 303#ifndef MAP_NONBLOCK
208# define MAP_NONBLOCK 0 304# 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)
209#endif 315#endif
210 316
211#ifndef PAGESIZE 317#ifndef PAGESIZE
212# define PAGESIZE sysconf (_SC_PAGESIZE) 318# define PAGESIZE sysconf (_SC_PAGESIZE)
213#endif 319#endif
… …
309 } 415 }
310} 416}
311 417
312static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
313{ 419{
314 dSP;
315
316 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
317 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
318 422
319 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
320 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
321 ENTER; 429 ENTER;
322 SAVETMPS; 430 SAVETMPS;
323 PUSHMARK (SP); 431 PUSHMARK (SP);
324 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 }
325 446
326 switch (req->type) 447 switch (req->type)
327 { 448 {
328 case EIO_READDIR: 449 case EIO_READDIR:
329 { 450 {
… …
464 case EIO_NOP: 585 case EIO_NOP:
465 case EIO_BUSY: 586 case EIO_BUSY:
466 break; 587 break;
467 588
468 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
469 if (req->result > 0) 591 if (req->result > 0)
470 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471 break; 593 break;
472 594
473 case EIO_STAT: 595 case EIO_STAT:
474 case EIO_LSTAT: 596 case EIO_LSTAT:
475 case EIO_FSTAT: 597 case EIO_FSTAT:
476 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
477 PL_laststatval = req->result; 599 PL_laststatval = req->result;
478 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479 PUSHs (sv_2mortal (newSViv (req->result))); 601 PUSHs (sv_result);
480 break; 602 break;
481 603
482 case EIO_READ: 604 case EIO_READ:
483 { 605 {
484 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));
485 *SvEND (req->sv2) = 0; 607 *SvEND (req->sv2) = 0;
486 SvPOK_only (req->sv2); 608 SvPOK_only (req->sv2);
487 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
488 PUSHs (sv_2mortal (newSViv (req->result))); 610 PUSHs (sv_result);
489 } 611 }
490 break; 612 break;
491 613
492 case EIO_DUP2: 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493 if (req->result > 0) 615 if (req->result > 0)
494 req->result = 0; 616 SvIV_set (sv_result, 0);
495 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
496 618
497 default: 619 default:
498 PUSHs (sv_2mortal (newSViv (req->result))); 620 PUSHs (sv_result);
499 break; 621 break;
500 } 622 }
501 623
502 errno = req->errorno; 624 errno = req->errorno;
503 625
504 PUTBACK; 626 PUTBACK;
505 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 627 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506 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;
507 634
508 FREETMPS; 635 FREETMPS;
509 LEAVE; 636 LEAVE;
510 637
511 PUTBACK; 638 PUTBACK;
… …
540 grp->sv2 = 0; 667 grp->sv2 = 0;
541 668
542 eio_grp_cancel (grp); 669 eio_grp_cancel (grp);
543} 670}
544 671
545static void
546create_respipe (void) 672static void create_respipe (void)
547{ 673{
548 if (s_epipe_renew (&respipe)) 674 if (s_epipe_renew (&respipe))
549 croak ("IO::AIO: unable to initialize result pipe"); 675 croak ("IO::AIO: unable to initialize result pipe");
550} 676}
551 677
… …
589 create_respipe (); 715 create_respipe ();
590} 716}
591 717
592/*****************************************************************************/ 718/*****************************************************************************/
593 719
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
594#define MMAP_MAGIC PERL_MAGIC_ext 734#define MMAP_MAGIC PERL_MAGIC_ext
595 735
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg) 736static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{ 737{
599 int old_errno = errno; 738 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 739 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno; 740 errno = old_errno;
602 741
603 mg->mg_obj = 0; /* just in case */ 742 mg->mg_obj = 0; /* just in case */
604 743
605 SvREADONLY_off (sv); 744 SvREADONLY_off (sv);
745
746 if (SvPVX (sv) != mg->mg_ptr)
747 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
748
606 SvCUR_set (sv, 0); 749 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 750 SvPVX (sv) = 0;
609 SvOK_off (sv); 751 SvOK_off (sv);
610 752
611 return 0; 753 return 0;
612} 754}
… …
615 0, 0, 0, 0, mmap_free 757 0, 0, 0, 0, mmap_free
616}; 758};
617 759
618/*****************************************************************************/ 760/*****************************************************************************/
619 761
620static SV *
621get_cb (SV *cb_sv) 762static SV * get_cb (SV *cb_sv)
622{ 763{
623 SvGETMAGIC (cb_sv); 764 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 765 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625} 766}
626 767
… …
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 803# define const_eio(name) { # name, (IV) EIO_ ## name },
663 const_iv (EXDEV) 804 const_iv (EXDEV)
664 const_iv (ENOSYS) 805 const_iv (ENOSYS)
665 const_iv (O_RDONLY) 806 const_iv (O_RDONLY)
666 const_iv (O_WRONLY) 807 const_iv (O_WRONLY)
808 const_iv (O_RDWR)
667 const_iv (O_CREAT) 809 const_iv (O_CREAT)
668 const_iv (O_TRUNC) 810 const_iv (O_TRUNC)
669#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
670 const_iv (S_IFIFO) 830 const_iv (S_IFIFO)
671#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
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 840 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 841 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 842 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 843 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 844 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 845 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
846
847 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
848 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
849 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
850 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
851 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678 852
679 const_iv (ST_RDONLY) 853 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 854 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 855 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 856 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 861 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 862 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 863 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 864 const_iv (ST_RELATIME)
691 865
866 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 867 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 868 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 869 const_iv (PROT_WRITE)
696 870
697 /*const_iv (MAP_FIXED)*/ 871 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 872 const_iv (MAP_PRIVATE)
… …
704 const_iv (MAP_LOCKED) 878 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 879 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 880 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 881 const_iv (MAP_NONBLOCK)
708 882
709 const_iv (MCL_FUTURE) 883 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 884 const_eio (MCL_CURRENT)
711 885
712 const_eio (MS_ASYNC) 886 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 887 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 888 const_eio (MS_SYNC)
715 889
… …
752 /* atfork child called in fifo order, so before eio's handler */ 926 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child); 927 X_THREAD_ATFORK (0, 0, atfork_child);
754} 928}
755 929
756void 930void
757max_poll_reqs (int nreqs) 931max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 932 PROTOTYPE: $
759 CODE: 933 CODE:
760 eio_set_max_poll_reqs (nreqs); 934 eio_set_max_poll_reqs (nreqs);
761 935
762void 936void
… …
764 PROTOTYPE: $ 938 PROTOTYPE: $
765 CODE: 939 CODE:
766 eio_set_max_poll_time (nseconds); 940 eio_set_max_poll_time (nseconds);
767 941
768void 942void
769min_parallel (int nthreads) 943min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 944 PROTOTYPE: $
771 CODE: 945 CODE:
772 eio_set_min_parallel (nthreads); 946 eio_set_min_parallel (nthreads);
773 947
774void 948void
775max_parallel (int nthreads) 949max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 950 PROTOTYPE: $
777 CODE: 951 CODE:
778 eio_set_max_parallel (nthreads); 952 eio_set_max_parallel (nthreads);
779 953
780void 954void
781max_idle (int nthreads) 955max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 956 PROTOTYPE: $
783 CODE: 957 CODE:
784 eio_set_max_idle (nthreads); 958 eio_set_max_idle (nthreads);
785 959
786void 960void
961idle_timeout (unsigned int seconds)
962 PROTOTYPE: $
963 CODE:
964 eio_set_idle_timeout (seconds);
965
966void
787max_outstanding (int maxreqs) 967max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 968 PROTOTYPE: $
789 CODE: 969 CODE:
790 max_outstanding = maxreqs; 970 max_outstanding = maxreqs;
791 971
792void 972void
793aio_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)
794 PROTOTYPE: $$$;$
795 PPCODE: 974 PPCODE:
796{ 975{
797 dREQ; 976 dREQ;
798 977
799 req->type = EIO_OPEN; 978 req->type = EIO_OPEN;
… …
805 REQ_SEND; 984 REQ_SEND;
806} 985}
807 986
808void 987void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 988aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 989 ALIAS:
812 aio_fsync = EIO_FSYNC 990 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 991 aio_fdatasync = EIO_FDATASYNC
814 PPCODE: 992 PPCODE:
815{ 993{
… …
823 REQ_SEND (req); 1001 REQ_SEND (req);
824} 1002}
825 1003
826void 1004void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1005aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1006 PPCODE:
830{ 1007{
831 int fd = s_fileno_croak (fh, 0); 1008 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1009 dREQ;
833 1010
… …
841 REQ_SEND (req); 1018 REQ_SEND (req);
842} 1019}
843 1020
844void 1021void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1022aio_close (SV *fh, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1023 PPCODE:
848{ 1024{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1025 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1026 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1027 dREQ;
… …
873void 1049void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1050aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875 ALIAS: 1051 ALIAS:
876 aio_read = EIO_READ 1052 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1053 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1054 PPCODE:
880{ 1055{
881 STRLEN svlen; 1056 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1057 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1058 char *svptr = SvPVbyte (data, svlen);
… …
924 } 1099 }
925} 1100}
926 1101
927void 1102void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1103aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
929 PROTOTYPE: $$;$ 1104 ALIAS:
1105 aio_readlink = EIO_READLINK
1106 aio_realpath = EIO_REALPATH
930 PPCODE: 1107 PPCODE:
931{ 1108{
932 SV *data; 1109 SV *data;
933 dREQ; 1110 dREQ;
934 1111
935 req->type = EIO_READLINK; 1112 req->type = ix;
936 req->sv1 = newSVsv (path); 1113 req->sv1 = newSVsv (path);
937 req->ptr1 = SvPVbyte_nolen (req->sv1); 1114 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1115
939 REQ_SEND; 1116 REQ_SEND;
940} 1117}
941 1118
942void 1119void
943aio_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)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1121 PPCODE:
946{ 1122{
947 int ifd = s_fileno_croak (in_fh , 0); 1123 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1124 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1125 dREQ;
… …
959 REQ_SEND; 1135 REQ_SEND;
960} 1136}
961 1137
962void 1138void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1139aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1140 PPCODE:
966{ 1141{
967 int fd = s_fileno_croak (fh, 0); 1142 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1143 dREQ;
969 1144
… …
1000 } 1175 }
1001 1176
1002 REQ_SEND; 1177 REQ_SEND;
1003} 1178}
1004 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
1005void 1196void
1006aio_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)
1007 PPCODE: 1198 PPCODE:
1008{ 1199{
1009 dREQ; 1200 dREQ;
… …
1170void 1361void
1171aio_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)
1172 ALIAS: 1363 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1364 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1365 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1366 PPCODE:
1177{ 1367{
1178 STRLEN svlen; 1368 STRLEN svlen;
1369 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1370 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1371
1182 if (offset < 0) 1372 if (offset < 0)
1183 offset += svlen; 1373 offset += svlen;
1184 1374
1185 if (offset < 0 || offset > svlen) 1375 if (offset < 0 || offset > svlen)
… …
1190 1380
1191 { 1381 {
1192 dREQ; 1382 dREQ;
1193 1383
1194 req->type = ix; 1384 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1385 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1386 req->ptr2 = (char *)svptr + offset;
1387 req->size = len;
1198 req->int1 = flags; 1388 req->int1 = flags;
1199 1389
1200 REQ_SEND; 1390 REQ_SEND;
1201 } 1391 }
1202} 1392}
1203 1393
1204void 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
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1436aio_busy (double delay, SV *callback=&PL_sv_undef)
1206 PPCODE: 1437 PPCODE:
1207{ 1438{
1208 dREQ; 1439 dREQ;
1209 1440
… …
1213 REQ_SEND; 1444 REQ_SEND;
1214} 1445}
1215 1446
1216void 1447void
1217aio_group (SV *callback=&PL_sv_undef) 1448aio_group (SV *callback=&PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1449 PPCODE:
1220{ 1450{
1221 dREQ; 1451 dREQ;
1222 1452
1223 req->type = EIO_GROUP; 1453 req->type = EIO_GROUP;
… …
1240 REQ_SEND; 1470 REQ_SEND;
1241} 1471}
1242 1472
1243int 1473int
1244aioreq_pri (int pri = 0) 1474aioreq_pri (int pri = 0)
1245 PROTOTYPE: ;$
1246 CODE: 1475 CODE:
1247 RETVAL = next_pri; 1476 RETVAL = next_pri;
1248 if (items > 0) 1477 if (items > 0)
1249 { 1478 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1479 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1491 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1492 next_pri = nice;
1264 1493
1265void 1494void
1266flush () 1495flush ()
1267 PROTOTYPE:
1268 CODE: 1496 CODE:
1269 while (eio_nreqs ()) 1497 while (eio_nreqs ())
1270 { 1498 {
1271 poll_wait (); 1499 poll_wait ();
1272 poll_cb (); 1500 poll_cb ();
1273 } 1501 }
1274 1502
1275int 1503int
1276poll() 1504poll ()
1277 PROTOTYPE:
1278 CODE: 1505 CODE:
1279 poll_wait (); 1506 poll_wait ();
1280 RETVAL = poll_cb (); 1507 RETVAL = poll_cb ();
1281 OUTPUT: 1508 OUTPUT:
1282 RETVAL 1509 RETVAL
1283 1510
1284int 1511int
1285poll_fileno() 1512poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1513 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1514 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1515 OUTPUT:
1290 RETVAL 1516 RETVAL
1291 1517
1292int 1518int
1293poll_cb(...) 1519poll_cb (...)
1294 PROTOTYPE: 1520 PROTOTYPE:
1295 CODE: 1521 CODE:
1296 RETVAL = poll_cb (); 1522 RETVAL = poll_cb ();
1297 OUTPUT: 1523 OUTPUT:
1298 RETVAL 1524 RETVAL
1299 1525
1300void 1526void
1301poll_wait() 1527poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1528 CODE:
1304 poll_wait (); 1529 poll_wait ();
1305 1530
1306int 1531int
1307nreqs() 1532nreqs ()
1308 PROTOTYPE:
1309 CODE: 1533 CODE:
1310 RETVAL = eio_nreqs (); 1534 RETVAL = eio_nreqs ();
1311 OUTPUT: 1535 OUTPUT:
1312 RETVAL 1536 RETVAL
1313 1537
1314int 1538int
1315nready() 1539nready ()
1316 PROTOTYPE:
1317 CODE: 1540 CODE:
1318 RETVAL = eio_nready (); 1541 RETVAL = eio_nready ();
1319 OUTPUT: 1542 OUTPUT:
1320 RETVAL 1543 RETVAL
1321 1544
1322int 1545int
1323npending() 1546npending ()
1324 PROTOTYPE:
1325 CODE: 1547 CODE:
1326 RETVAL = eio_npending (); 1548 RETVAL = eio_npending ();
1327 OUTPUT: 1549 OUTPUT:
1328 RETVAL 1550 RETVAL
1329 1551
1330int 1552int
1331nthreads() 1553nthreads ()
1332 PROTOTYPE:
1333 CODE: 1554 CODE:
1334 RETVAL = eio_nthreads (); 1555 RETVAL = eio_nthreads ();
1335 OUTPUT: 1556 OUTPUT:
1336 RETVAL 1557 RETVAL
1337 1558
1338int 1559int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1560fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1561 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1562 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1563 OUTPUT:
1348 RETVAL 1564 RETVAL
1349 1565
1350ssize_t 1566ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1567sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1568 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1569 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1570 OUTPUT:
1356 RETVAL 1571 RETVAL
1357 1572
1358void 1573void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1574mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1575 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1576 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1577{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1578 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1579 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1580 if (addr == (void *)-1)
1367 XSRETURN_NO; 1581 XSRETURN_NO;
1368 1582
1583 sv_force_normal (scalar);
1584
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1585 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1586 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1587 ->mg_obj = (SV *)length;
1372 1588
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1589 SvUPGRADE (scalar, SVt_PV); /* nop... */
1590
1374 if (!(prot & PROT_WRITE)) 1591 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1592 SvREADONLY_on (scalar);
1593
1594 if (SvLEN (scalar))
1595 Safefree (SvPVX (scalar));
1376 1596
1377 SvPVX (scalar) = (char *)addr; 1597 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1598 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1599 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1600 SvPOK_only (scalar);
… …
1382 XSRETURN_YES; 1602 XSRETURN_YES;
1383} 1603}
1384 1604
1385void 1605void
1386munmap (SV *scalar) 1606munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1607 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1608 sv_unmagic (scalar, MMAP_MAGIC);
1390 1609
1391int 1610int
1392mlockall (int flags) 1611madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1612 ALIAS:
1613 mprotect = 1
1394 CODE: 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);
1395#if _POSIX_MEMLOCK 1660#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1661 RETVAL = munlock (addr, len);
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else 1662#else
1402 RETVAL = -1; 1663 RETVAL = ((errno = ENOSYS), -1);
1403 errno = ENOSYS;
1404#endif 1664#endif
1665}
1405 OUTPUT: 1666 OUTPUT:
1406 RETVAL 1667 RETVAL
1407 1668
1408int 1669int
1409munlockall () 1670munlockall ()
1410 PROTOTYPE:
1411 CODE: 1671 CODE:
1412#if _POSIX_MEMLOCK 1672#if _POSIX_MEMLOCK
1413 munlockall (); 1673 munlockall ();
1414#else 1674#else
1415 RETVAL = -1; 1675 RETVAL = -1;

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