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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.163 by root, Sun Jan 10 23:44:02 2010 UTC vs.
Revision 1.185 by root, Thu Jul 7 22:36:18 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 23#endif
24 24
25/* perl namespace pollution */ 25/* perl namespace pollution */
26#undef VERSION 26#undef VERSION
… …
118 STRLEN stroffset; \ 118 STRLEN stroffset; \
119 SV *self; 119 SV *self;
120 120
121#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
122 122
123#include "libeio/config.h"
123#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
124 171
125#ifndef POSIX_FADV_NORMAL 172#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0 173# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif 174#endif
129#ifndef POSIX_FADV_SEQUENTIAL 175#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 176# define POSIX_FADV_SEQUENTIAL 0
131#endif 177#endif
132#ifndef POSIX_FADV_RANDOM 178#ifndef POSIX_FADV_RANDOM
… …
140#endif 186#endif
141#ifndef POSIX_FADV_DONTNEED 187#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 188# define POSIX_FADV_DONTNEED 0
143#endif 189#endif
144 190
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
145#ifndef ST_NODEV 228#ifndef ST_NODEV
146# define ST_NODEV 0 229# define ST_NODEV 0
147#endif 230#endif
148#ifndef ST_NOEXEC 231#ifndef ST_NOEXEC
149# define ST_NOEXEC 0 232# define ST_NOEXEC 0
… …
171#endif 254#endif
172#ifndef ST_RELATIME 255#ifndef ST_RELATIME
173# define ST_RELATIME 0 256# define ST_RELATIME 0
174#endif 257#endif
175 258
176#ifndef MCL_CURRENT 259#ifndef S_IFIFO
177# define MCL_CURRENT 0 260# define S_IFIFO 0
178#endif 261#endif
179#ifndef MCL_FUTURE 262#ifndef S_IFCHR
180# 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
181#endif 282#endif
182 283
183#ifndef MAP_ANONYMOUS 284#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 285# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 286# define MAP_ANONYMOUS MAP_ANON
… …
199#ifndef MAP_POPULATE 300#ifndef MAP_POPULATE
200# define MAP_POPULATE 0 301# define MAP_POPULATE 0
201#endif 302#endif
202#ifndef MAP_NONBLOCK 303#ifndef MAP_NONBLOCK
203# 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)
204#endif 315#endif
205 316
206#ifndef PAGESIZE 317#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE) 318# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 319#endif
… …
304 } 415 }
305} 416}
306 417
307static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
308{ 419{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
313 422
314 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
315 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
316 ENTER; 429 ENTER;
317 SAVETMPS; 430 SAVETMPS;
318 PUSHMARK (SP); 431 PUSHMARK (SP);
319 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 }
320 446
321 switch (req->type) 447 switch (req->type)
322 { 448 {
323 case EIO_READDIR: 449 case EIO_READDIR:
324 { 450 {
… …
459 case EIO_NOP: 585 case EIO_NOP:
460 case EIO_BUSY: 586 case EIO_BUSY:
461 break; 587 break;
462 588
463 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
464 if (req->result > 0) 591 if (req->result > 0)
465 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
466 break; 593 break;
467 594
468 case EIO_STAT: 595 case EIO_STAT:
469 case EIO_LSTAT: 596 case EIO_LSTAT:
470 case EIO_FSTAT: 597 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
472 PL_laststatval = req->result; 599 PL_laststatval = req->result;
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 601 PUSHs (sv_result);
475 break; 602 break;
476 603
477 case EIO_READ: 604 case EIO_READ:
478 { 605 {
479 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));
480 *SvEND (req->sv2) = 0; 607 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 608 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 610 PUSHs (sv_result);
484 } 611 }
485 break; 612 break;
486 613
487 case EIO_DUP2: 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 615 if (req->result > 0)
489 req->result = 0; 616 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
491 618
492 default: 619 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 620 PUSHs (sv_result);
494 break; 621 break;
495 } 622 }
496 623
497 errno = req->errorno; 624 errno = req->errorno;
498 625
499 PUTBACK; 626 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 627 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 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;
502 634
503 FREETMPS; 635 FREETMPS;
504 LEAVE; 636 LEAVE;
505 637
506 PUTBACK; 638 PUTBACK;
… …
535 grp->sv2 = 0; 667 grp->sv2 = 0;
536 668
537 eio_grp_cancel (grp); 669 eio_grp_cancel (grp);
538} 670}
539 671
540static void
541create_respipe (void) 672static void create_respipe (void)
542{ 673{
543 if (s_epipe_renew (&respipe)) 674 if (s_epipe_renew (&respipe))
544 croak ("IO::AIO: unable to initialize result pipe"); 675 croak ("IO::AIO: unable to initialize result pipe");
545} 676}
546 677
… …
589#if !_POSIX_MAPPED_FILES 720#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1) 722# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif 723#endif
593 724
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
716 const_eio (MT_MODIFY) 890 const_eio (MT_MODIFY)
717 891
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 892 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE) 893 const_eio (SYNC_FILE_RANGE_WRITE)
720 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 894 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
895
896 const_eio (FALLOC_FL_KEEP_SIZE)
721 897
722 const_eio (READDIR_DENTS) 898 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST) 899 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER) 900 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN) 901 const_eio (READDIR_FOUND_UNKNOWN)
… …
752 /* atfork child called in fifo order, so before eio's handler */ 928 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child); 929 X_THREAD_ATFORK (0, 0, atfork_child);
754} 930}
755 931
756void 932void
757max_poll_reqs (int nreqs) 933max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 934 PROTOTYPE: $
759 CODE: 935 CODE:
760 eio_set_max_poll_reqs (nreqs); 936 eio_set_max_poll_reqs (nreqs);
761 937
762void 938void
… …
764 PROTOTYPE: $ 940 PROTOTYPE: $
765 CODE: 941 CODE:
766 eio_set_max_poll_time (nseconds); 942 eio_set_max_poll_time (nseconds);
767 943
768void 944void
769min_parallel (int nthreads) 945min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 946 PROTOTYPE: $
771 CODE: 947 CODE:
772 eio_set_min_parallel (nthreads); 948 eio_set_min_parallel (nthreads);
773 949
774void 950void
775max_parallel (int nthreads) 951max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 952 PROTOTYPE: $
777 CODE: 953 CODE:
778 eio_set_max_parallel (nthreads); 954 eio_set_max_parallel (nthreads);
779 955
780void 956void
781max_idle (int nthreads) 957max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 958 PROTOTYPE: $
783 CODE: 959 CODE:
784 eio_set_max_idle (nthreads); 960 eio_set_max_idle (nthreads);
785 961
786void 962void
963idle_timeout (unsigned int seconds)
964 PROTOTYPE: $
965 CODE:
966 eio_set_idle_timeout (seconds);
967
968void
787max_outstanding (int maxreqs) 969max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 970 PROTOTYPE: $
789 CODE: 971 CODE:
790 max_outstanding = maxreqs; 972 max_outstanding = maxreqs;
791 973
792void 974void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 975aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 976 PPCODE:
796{ 977{
797 dREQ; 978 dREQ;
798 979
799 req->type = EIO_OPEN; 980 req->type = EIO_OPEN;
… …
805 REQ_SEND; 986 REQ_SEND;
806} 987}
807 988
808void 989void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 990aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 991 ALIAS:
812 aio_fsync = EIO_FSYNC 992 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 993 aio_fdatasync = EIO_FDATASYNC
814 PPCODE: 994 PPCODE:
815{ 995{
… …
823 REQ_SEND (req); 1003 REQ_SEND (req);
824} 1004}
825 1005
826void 1006void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1007aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1008 PPCODE:
830{ 1009{
831 int fd = s_fileno_croak (fh, 0); 1010 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1011 dREQ;
833 1012
… …
840 1019
841 REQ_SEND (req); 1020 REQ_SEND (req);
842} 1021}
843 1022
844void 1023void
1024aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1025 PPCODE:
1026{
1027 int fd = s_fileno_croak (fh, 0);
1028 dREQ;
1029
1030 req->type = EIO_FALLOCATE;
1031 req->sv1 = newSVsv (fh);
1032 req->int1 = fd;
1033 req->int2 = mode;
1034 req->offs = offset;
1035 req->size = len;
1036
1037 REQ_SEND (req);
1038}
1039
1040void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1041aio_close (SV *fh, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1042 PPCODE:
848{ 1043{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1044 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1045 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1046 dREQ;
… …
873void 1068void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1069aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875 ALIAS: 1070 ALIAS:
876 aio_read = EIO_READ 1071 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1072 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1073 PPCODE:
880{ 1074{
881 STRLEN svlen; 1075 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1076 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1077 char *svptr = SvPVbyte (data, svlen);
… …
924 } 1118 }
925} 1119}
926 1120
927void 1121void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1122aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
929 PROTOTYPE: $$;$ 1123 ALIAS:
1124 aio_readlink = EIO_READLINK
1125 aio_realpath = EIO_REALPATH
930 PPCODE: 1126 PPCODE:
931{ 1127{
932 SV *data; 1128 SV *data;
933 dREQ; 1129 dREQ;
934 1130
935 req->type = EIO_READLINK; 1131 req->type = ix;
936 req->sv1 = newSVsv (path); 1132 req->sv1 = newSVsv (path);
937 req->ptr1 = SvPVbyte_nolen (req->sv1); 1133 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1134
939 REQ_SEND; 1135 REQ_SEND;
940} 1136}
941 1137
942void 1138void
943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1139aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1140 PPCODE:
946{ 1141{
947 int ifd = s_fileno_croak (in_fh , 0); 1142 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1143 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1144 dREQ;
… …
959 REQ_SEND; 1154 REQ_SEND;
960} 1155}
961 1156
962void 1157void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1158aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1159 PPCODE:
966{ 1160{
967 int fd = s_fileno_croak (fh, 0); 1161 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1162 dREQ;
969 1163
… …
1000 } 1194 }
1001 1195
1002 REQ_SEND; 1196 REQ_SEND;
1003} 1197}
1004 1198
1199UV
1200major (UV dev)
1201 ALIAS:
1202 minor = 1
1203 CODE:
1204 RETVAL = ix ? major (dev) : minor (dev);
1205 OUTPUT:
1206 RETVAL
1207
1208UV
1209makedev (UV maj, UV min)
1210 CODE:
1211 RETVAL = makedev (maj, min);
1212 OUTPUT:
1213 RETVAL
1214
1005void 1215void
1006aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1216aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1007 PPCODE: 1217 PPCODE:
1008{ 1218{
1009 dREQ; 1219 dREQ;
… …
1170void 1380void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1381aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172 ALIAS: 1382 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1383 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1384 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1385 PPCODE:
1177{ 1386{
1178 STRLEN svlen; 1387 STRLEN svlen;
1388 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1389 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1390
1182 if (offset < 0) 1391 if (offset < 0)
1183 offset += svlen; 1392 offset += svlen;
1184 1393
1185 if (offset < 0 || offset > svlen) 1394 if (offset < 0 || offset > svlen)
… …
1190 1399
1191 { 1400 {
1192 dREQ; 1401 dREQ;
1193 1402
1194 req->type = ix; 1403 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1404 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1405 req->ptr2 = (char *)svptr + offset;
1406 req->size = len;
1198 req->int1 = flags; 1407 req->int1 = flags;
1199 1408
1200 REQ_SEND; 1409 REQ_SEND;
1201 } 1410 }
1202} 1411}
1203 1412
1204void 1413void
1414aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1415 PPCODE:
1416{
1417 STRLEN svlen;
1418 char *svptr = SvPVbyte (data, svlen);
1419 UV len = SvUV (length);
1420
1421 if (offset < 0)
1422 offset += svlen;
1423
1424 if (offset < 0 || offset > svlen)
1425 croak ("offset outside of scalar");
1426
1427 if (!SvOK (length) || len + offset > svlen)
1428 len = svlen - offset;
1429
1430 {
1431 dREQ;
1432
1433 req->type = EIO_MLOCK;
1434 req->sv2 = SvREFCNT_inc (data);
1435 req->ptr2 = (char *)svptr + offset;
1436 req->size = len;
1437
1438 REQ_SEND;
1439 }
1440}
1441
1442void
1443aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1444 PPCODE:
1445{
1446 dREQ;
1447
1448 req->type = EIO_MLOCKALL;
1449 req->int1 = flags;
1450
1451 REQ_SEND;
1452}
1453
1454void
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1455aio_busy (double delay, SV *callback=&PL_sv_undef)
1206 PPCODE: 1456 PPCODE:
1207{ 1457{
1208 dREQ; 1458 dREQ;
1209 1459
… …
1213 REQ_SEND; 1463 REQ_SEND;
1214} 1464}
1215 1465
1216void 1466void
1217aio_group (SV *callback=&PL_sv_undef) 1467aio_group (SV *callback=&PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1468 PPCODE:
1220{ 1469{
1221 dREQ; 1470 dREQ;
1222 1471
1223 req->type = EIO_GROUP; 1472 req->type = EIO_GROUP;
… …
1240 REQ_SEND; 1489 REQ_SEND;
1241} 1490}
1242 1491
1243int 1492int
1244aioreq_pri (int pri = 0) 1493aioreq_pri (int pri = 0)
1245 PROTOTYPE: ;$
1246 CODE: 1494 CODE:
1247 RETVAL = next_pri; 1495 RETVAL = next_pri;
1248 if (items > 0) 1496 if (items > 0)
1249 { 1497 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1498 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1510 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1511 next_pri = nice;
1264 1512
1265void 1513void
1266flush () 1514flush ()
1267 PROTOTYPE:
1268 CODE: 1515 CODE:
1269 while (eio_nreqs ()) 1516 while (eio_nreqs ())
1270 { 1517 {
1271 poll_wait (); 1518 poll_wait ();
1272 poll_cb (); 1519 poll_cb ();
1273 } 1520 }
1274 1521
1275int 1522int
1276poll() 1523poll ()
1277 PROTOTYPE:
1278 CODE: 1524 CODE:
1279 poll_wait (); 1525 poll_wait ();
1280 RETVAL = poll_cb (); 1526 RETVAL = poll_cb ();
1281 OUTPUT: 1527 OUTPUT:
1282 RETVAL 1528 RETVAL
1283 1529
1284int 1530int
1285poll_fileno() 1531poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1532 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1533 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1534 OUTPUT:
1290 RETVAL 1535 RETVAL
1291 1536
1292int 1537int
1293poll_cb(...) 1538poll_cb (...)
1294 PROTOTYPE: 1539 PROTOTYPE:
1295 CODE: 1540 CODE:
1296 RETVAL = poll_cb (); 1541 RETVAL = poll_cb ();
1297 OUTPUT: 1542 OUTPUT:
1298 RETVAL 1543 RETVAL
1299 1544
1300void 1545void
1301poll_wait() 1546poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1547 CODE:
1304 poll_wait (); 1548 poll_wait ();
1305 1549
1306int 1550int
1307nreqs() 1551nreqs ()
1308 PROTOTYPE:
1309 CODE: 1552 CODE:
1310 RETVAL = eio_nreqs (); 1553 RETVAL = eio_nreqs ();
1311 OUTPUT: 1554 OUTPUT:
1312 RETVAL 1555 RETVAL
1313 1556
1314int 1557int
1315nready() 1558nready ()
1316 PROTOTYPE:
1317 CODE: 1559 CODE:
1318 RETVAL = eio_nready (); 1560 RETVAL = eio_nready ();
1319 OUTPUT: 1561 OUTPUT:
1320 RETVAL 1562 RETVAL
1321 1563
1322int 1564int
1323npending() 1565npending ()
1324 PROTOTYPE:
1325 CODE: 1566 CODE:
1326 RETVAL = eio_npending (); 1567 RETVAL = eio_npending ();
1327 OUTPUT: 1568 OUTPUT:
1328 RETVAL 1569 RETVAL
1329 1570
1330int 1571int
1331nthreads() 1572nthreads ()
1332 PROTOTYPE:
1333 CODE: 1573 CODE:
1334 RETVAL = eio_nthreads (); 1574 RETVAL = eio_nthreads ();
1335 OUTPUT: 1575 OUTPUT:
1336 RETVAL 1576 RETVAL
1337 1577
1338int 1578int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1579fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1580 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1581 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1582 OUTPUT:
1348 RETVAL 1583 RETVAL
1349 1584
1350ssize_t 1585ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1586sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1587 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1588 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1589 OUTPUT:
1356 RETVAL 1590 RETVAL
1357 1591
1358void 1592void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1593mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1594 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1595 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1596{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1597 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1598 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1599 if (addr == (void *)-1)
1367 XSRETURN_NO; 1600 XSRETURN_NO;
1368 1601
1602 sv_force_normal (scalar);
1603
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1604 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1605 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1606 ->mg_obj = (SV *)length;
1372 1607
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1608 SvUPGRADE (scalar, SVt_PV); /* nop... */
1609
1374 if (!(prot & PROT_WRITE)) 1610 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1611 SvREADONLY_on (scalar);
1612
1613 if (SvLEN (scalar))
1614 Safefree (SvPVX (scalar));
1376 1615
1377 SvPVX (scalar) = (char *)addr; 1616 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1617 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1618 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1619 SvPOK_only (scalar);
… …
1382 XSRETURN_YES; 1621 XSRETURN_YES;
1383} 1622}
1384 1623
1385void 1624void
1386munmap (SV *scalar) 1625munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1626 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1627 sv_unmagic (scalar, MMAP_MAGIC);
1390 1628
1391int 1629int
1392mlockall (int flags) 1630madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1631 ALIAS:
1632 mprotect = 1
1394 CODE: 1633 CODE:
1634{
1635 STRLEN svlen;
1636 void *addr = SvPVbyte (scalar, svlen);
1637 size_t len = SvUV (length);
1638
1639 if (offset < 0)
1640 offset += svlen;
1641
1642 if (offset < 0 || offset > svlen)
1643 croak ("offset outside of scalar");
1644
1645 if (!SvOK (length) || len + offset > svlen)
1646 len = svlen - offset;
1647
1648 addr = (void *)(((intptr_t)addr) + offset);
1649 eio_page_align (&addr, &len);
1650
1651 switch (ix)
1652 {
1653 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1654 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1655 }
1656}
1657 OUTPUT:
1658 RETVAL
1659
1660int
1661munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1662 CODE:
1663{
1664 STRLEN svlen;
1665 void *addr = SvPVbyte (scalar, svlen);
1666 size_t len = SvUV (length);
1667
1668 if (offset < 0)
1669 offset += svlen;
1670
1671 if (offset < 0 || offset > svlen)
1672 croak ("offset outside of scalar");
1673
1674 if (!SvOK (length) || len + offset > svlen)
1675 len = svlen - offset;
1676
1677 addr = (void *)(((intptr_t)addr) + offset);
1678 eio_page_align (&addr, &len);
1395#if _POSIX_MEMLOCK 1679#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1680 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 1681#else
1402 RETVAL = -1; 1682 RETVAL = ((errno = ENOSYS), -1);
1403 errno = ENOSYS;
1404#endif 1683#endif
1684}
1405 OUTPUT: 1685 OUTPUT:
1406 RETVAL 1686 RETVAL
1407 1687
1408int 1688int
1409munlockall () 1689munlockall ()
1410 PROTOTYPE:
1411 CODE: 1690 CODE:
1412#if _POSIX_MEMLOCK 1691#if _POSIX_MEMLOCK
1413 munlockall (); 1692 munlockall ();
1414#else 1693#else
1415 RETVAL = -1; 1694 RETVAL = -1;

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