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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 1.186 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 || _POSIX_MAPPED_FILES 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
178#endif 250#endif
179#ifndef MCL_FUTURE 251#ifndef S_IFCHR
180# define MCL_FUTURE 0 252# 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
181#endif 271#endif
182 272
183#ifndef MAP_ANONYMOUS 273#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 274# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 275# define MAP_ANONYMOUS MAP_ANON
… …
199#ifndef MAP_POPULATE 289#ifndef MAP_POPULATE
200# define MAP_POPULATE 0 290# define MAP_POPULATE 0
201#endif 291#endif
202#ifndef MAP_NONBLOCK 292#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0 293# 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)
204#endif 304#endif
205 305
206#ifndef PAGESIZE 306#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE) 307# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 308#endif
… …
304 } 404 }
305} 405}
306 406
307static int req_invoke (eio_req *req) 407static int req_invoke (eio_req *req)
308{ 408{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 409 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 410 SvREADONLY_off (req->sv2);
313 411
314 if (!EIO_CANCELLED (req) && req->callback) 412 if (!EIO_CANCELLED (req) && req->callback)
315 { 413 {
414 dSP;
415 static SV *sv_result_cache; /* caches the result integer SV */
416 SV *sv_result;
417
316 ENTER; 418 ENTER;
317 SAVETMPS; 419 SAVETMPS;
318 PUSHMARK (SP); 420 PUSHMARK (SP);
319 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 }
320 435
321 switch (req->type) 436 switch (req->type)
322 { 437 {
323 case EIO_READDIR: 438 case EIO_READDIR:
324 { 439 {
… …
459 case EIO_NOP: 574 case EIO_NOP:
460 case EIO_BUSY: 575 case EIO_BUSY:
461 break; 576 break;
462 577
463 case EIO_READLINK: 578 case EIO_READLINK:
579 case EIO_REALPATH:
464 if (req->result > 0) 580 if (req->result > 0)
465 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 581 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
466 break; 582 break;
467 583
468 case EIO_STAT: 584 case EIO_STAT:
469 case EIO_LSTAT: 585 case EIO_LSTAT:
470 case EIO_FSTAT: 586 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 587 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
472 PL_laststatval = req->result; 588 PL_laststatval = req->result;
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 589 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 590 PUSHs (sv_result);
475 break; 591 break;
476 592
477 case EIO_READ: 593 case EIO_READ:
478 { 594 {
479 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));
480 *SvEND (req->sv2) = 0; 596 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 597 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 598 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 599 PUSHs (sv_result);
484 } 600 }
485 break; 601 break;
486 602
487 case EIO_DUP2: 603 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 604 if (req->result > 0)
489 req->result = 0; 605 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 606 /* FALLTHROUGH */
491 607
492 default: 608 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 609 PUSHs (sv_result);
494 break; 610 break;
495 } 611 }
496 612
497 errno = req->errorno; 613 errno = req->errorno;
498 614
499 PUTBACK; 615 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 616 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 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;
502 623
503 FREETMPS; 624 FREETMPS;
504 LEAVE; 625 LEAVE;
505 626
506 PUTBACK; 627 PUTBACK;
… …
535 grp->sv2 = 0; 656 grp->sv2 = 0;
536 657
537 eio_grp_cancel (grp); 658 eio_grp_cancel (grp);
538} 659}
539 660
540static void
541create_respipe (void) 661static void create_respipe (void)
542{ 662{
543 if (s_epipe_renew (&respipe)) 663 if (s_epipe_renew (&respipe))
544 croak ("IO::AIO: unable to initialize result pipe"); 664 croak ("IO::AIO: unable to initialize result pipe");
545} 665}
546 666
… …
589#if !_POSIX_MAPPED_FILES 709#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 710# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1) 711# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif 712#endif
593 713
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
594#define MMAP_MAGIC PERL_MAGIC_ext 723#define MMAP_MAGIC PERL_MAGIC_ext
595 724
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg) 725static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{ 726{
599 int old_errno = errno; 727 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 728 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno; 729 errno = old_errno;
602 730
603 mg->mg_obj = 0; /* just in case */ 731 mg->mg_obj = 0; /* just in case */
604 732
605 SvREADONLY_off (sv); 733 SvREADONLY_off (sv);
734
735 if (SvPVX (sv) != mg->mg_ptr)
736 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
737
606 SvCUR_set (sv, 0); 738 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 739 SvPVX (sv) = 0;
609 SvOK_off (sv); 740 SvOK_off (sv);
610 741
611 return 0; 742 return 0;
612} 743}
… …
615 0, 0, 0, 0, mmap_free 746 0, 0, 0, 0, mmap_free
616}; 747};
617 748
618/*****************************************************************************/ 749/*****************************************************************************/
619 750
620static SV *
621get_cb (SV *cb_sv) 751static SV * get_cb (SV *cb_sv)
622{ 752{
623 SvGETMAGIC (cb_sv); 753 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 754 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625} 755}
626 756
… …
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 792# define const_eio(name) { # name, (IV) EIO_ ## name },
663 const_iv (EXDEV) 793 const_iv (EXDEV)
664 const_iv (ENOSYS) 794 const_iv (ENOSYS)
665 const_iv (O_RDONLY) 795 const_iv (O_RDONLY)
666 const_iv (O_WRONLY) 796 const_iv (O_WRONLY)
797 const_iv (O_RDWR)
667 const_iv (O_CREAT) 798 const_iv (O_CREAT)
668 const_iv (O_TRUNC) 799 const_iv (O_TRUNC)
669#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
670 const_iv (S_IFIFO) 819 const_iv (S_IFIFO)
671#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
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 829 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 830 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 831 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 832 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 833 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 834 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
835
836 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
837 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
838 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
839 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
840 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678 841
679 const_iv (ST_RDONLY) 842 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 843 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 844 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 845 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 850 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 851 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 852 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 853 const_iv (ST_RELATIME)
691 854
855 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 856 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 857 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 858 const_iv (PROT_WRITE)
696 859
697 /*const_iv (MAP_FIXED)*/ 860 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 861 const_iv (MAP_PRIVATE)
… …
704 const_iv (MAP_LOCKED) 867 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 868 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 869 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 870 const_iv (MAP_NONBLOCK)
708 871
709 const_iv (MCL_FUTURE) 872 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 873 const_eio (MCL_CURRENT)
711 874
712 const_eio (MS_ASYNC) 875 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 876 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 877 const_eio (MS_SYNC)
715 878
716 const_eio (MT_MODIFY) 879 const_eio (MT_MODIFY)
717 880
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 881 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE) 882 const_eio (SYNC_FILE_RANGE_WRITE)
720 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 883 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
884
885 const_eio (FALLOC_FL_KEEP_SIZE)
721 886
722 const_eio (READDIR_DENTS) 887 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST) 888 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER) 889 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN) 890 const_eio (READDIR_FOUND_UNKNOWN)
… …
752 /* atfork child called in fifo order, so before eio's handler */ 917 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child); 918 X_THREAD_ATFORK (0, 0, atfork_child);
754} 919}
755 920
756void 921void
757max_poll_reqs (int nreqs) 922max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 923 PROTOTYPE: $
759 CODE: 924 CODE:
760 eio_set_max_poll_reqs (nreqs); 925 eio_set_max_poll_reqs (nreqs);
761 926
762void 927void
… …
764 PROTOTYPE: $ 929 PROTOTYPE: $
765 CODE: 930 CODE:
766 eio_set_max_poll_time (nseconds); 931 eio_set_max_poll_time (nseconds);
767 932
768void 933void
769min_parallel (int nthreads) 934min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 935 PROTOTYPE: $
771 CODE: 936 CODE:
772 eio_set_min_parallel (nthreads); 937 eio_set_min_parallel (nthreads);
773 938
774void 939void
775max_parallel (int nthreads) 940max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 941 PROTOTYPE: $
777 CODE: 942 CODE:
778 eio_set_max_parallel (nthreads); 943 eio_set_max_parallel (nthreads);
779 944
780void 945void
781max_idle (int nthreads) 946max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 947 PROTOTYPE: $
783 CODE: 948 CODE:
784 eio_set_max_idle (nthreads); 949 eio_set_max_idle (nthreads);
785 950
786void 951void
952idle_timeout (unsigned int seconds)
953 PROTOTYPE: $
954 CODE:
955 eio_set_idle_timeout (seconds);
956
957void
787max_outstanding (int maxreqs) 958max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 959 PROTOTYPE: $
789 CODE: 960 CODE:
790 max_outstanding = maxreqs; 961 max_outstanding = maxreqs;
791 962
792void 963void
793aio_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)
794 PROTOTYPE: $$$;$
795 PPCODE: 965 PPCODE:
796{ 966{
797 dREQ; 967 dREQ;
798 968
799 req->type = EIO_OPEN; 969 req->type = EIO_OPEN;
… …
805 REQ_SEND; 975 REQ_SEND;
806} 976}
807 977
808void 978void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 979aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 980 ALIAS:
812 aio_fsync = EIO_FSYNC 981 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 982 aio_fdatasync = EIO_FDATASYNC
814 PPCODE: 983 PPCODE:
815{ 984{
… …
823 REQ_SEND (req); 992 REQ_SEND (req);
824} 993}
825 994
826void 995void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 996aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 997 PPCODE:
830{ 998{
831 int fd = s_fileno_croak (fh, 0); 999 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1000 dREQ;
833 1001
… …
840 1008
841 REQ_SEND (req); 1009 REQ_SEND (req);
842} 1010}
843 1011
844void 1012void
1013aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1014 PPCODE:
1015{
1016 int fd = s_fileno_croak (fh, 0);
1017 dREQ;
1018
1019 req->type = EIO_FALLOCATE;
1020 req->sv1 = newSVsv (fh);
1021 req->int1 = fd;
1022 req->int2 = mode;
1023 req->offs = offset;
1024 req->size = len;
1025
1026 REQ_SEND (req);
1027}
1028
1029void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1030aio_close (SV *fh, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1031 PPCODE:
848{ 1032{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1033 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1034 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1035 dREQ;
… …
873void 1057void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1058aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875 ALIAS: 1059 ALIAS:
876 aio_read = EIO_READ 1060 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1061 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1062 PPCODE:
880{ 1063{
881 STRLEN svlen; 1064 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1065 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1066 char *svptr = SvPVbyte (data, svlen);
… …
924 } 1107 }
925} 1108}
926 1109
927void 1110void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1111aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
929 PROTOTYPE: $$;$ 1112 ALIAS:
1113 aio_readlink = EIO_READLINK
1114 aio_realpath = EIO_REALPATH
930 PPCODE: 1115 PPCODE:
931{ 1116{
932 SV *data; 1117 SV *data;
933 dREQ; 1118 dREQ;
934 1119
935 req->type = EIO_READLINK; 1120 req->type = ix;
936 req->sv1 = newSVsv (path); 1121 req->sv1 = newSVsv (path);
937 req->ptr1 = SvPVbyte_nolen (req->sv1); 1122 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1123
939 REQ_SEND; 1124 REQ_SEND;
940} 1125}
941 1126
942void 1127void
943aio_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)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1129 PPCODE:
946{ 1130{
947 int ifd = s_fileno_croak (in_fh , 0); 1131 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1132 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1133 dREQ;
… …
959 REQ_SEND; 1143 REQ_SEND;
960} 1144}
961 1145
962void 1146void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1147aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1148 PPCODE:
966{ 1149{
967 int fd = s_fileno_croak (fh, 0); 1150 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1151 dREQ;
969 1152
… …
1000 } 1183 }
1001 1184
1002 REQ_SEND; 1185 REQ_SEND;
1003} 1186}
1004 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
1005void 1204void
1006aio_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)
1007 PPCODE: 1206 PPCODE:
1008{ 1207{
1009 dREQ; 1208 dREQ;
… …
1170void 1369void
1171aio_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)
1172 ALIAS: 1371 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1372 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1373 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1374 PPCODE:
1177{ 1375{
1178 STRLEN svlen; 1376 STRLEN svlen;
1377 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1378 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1379
1182 if (offset < 0) 1380 if (offset < 0)
1183 offset += svlen; 1381 offset += svlen;
1184 1382
1185 if (offset < 0 || offset > svlen) 1383 if (offset < 0 || offset > svlen)
… …
1190 1388
1191 { 1389 {
1192 dREQ; 1390 dREQ;
1193 1391
1194 req->type = ix; 1392 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1393 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1394 req->ptr2 = (char *)svptr + offset;
1395 req->size = len;
1198 req->int1 = flags; 1396 req->int1 = flags;
1199 1397
1200 REQ_SEND; 1398 REQ_SEND;
1201 } 1399 }
1202} 1400}
1203 1401
1204void 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
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1444aio_busy (double delay, SV *callback=&PL_sv_undef)
1206 PPCODE: 1445 PPCODE:
1207{ 1446{
1208 dREQ; 1447 dREQ;
1209 1448
… …
1213 REQ_SEND; 1452 REQ_SEND;
1214} 1453}
1215 1454
1216void 1455void
1217aio_group (SV *callback=&PL_sv_undef) 1456aio_group (SV *callback=&PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1457 PPCODE:
1220{ 1458{
1221 dREQ; 1459 dREQ;
1222 1460
1223 req->type = EIO_GROUP; 1461 req->type = EIO_GROUP;
… …
1240 REQ_SEND; 1478 REQ_SEND;
1241} 1479}
1242 1480
1243int 1481int
1244aioreq_pri (int pri = 0) 1482aioreq_pri (int pri = 0)
1245 PROTOTYPE: ;$
1246 CODE: 1483 CODE:
1247 RETVAL = next_pri; 1484 RETVAL = next_pri;
1248 if (items > 0) 1485 if (items > 0)
1249 { 1486 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1487 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1499 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1500 next_pri = nice;
1264 1501
1265void 1502void
1266flush () 1503flush ()
1267 PROTOTYPE:
1268 CODE: 1504 CODE:
1269 while (eio_nreqs ()) 1505 while (eio_nreqs ())
1270 { 1506 {
1271 poll_wait (); 1507 poll_wait ();
1272 poll_cb (); 1508 poll_cb ();
1273 } 1509 }
1274 1510
1275int 1511int
1276poll() 1512poll ()
1277 PROTOTYPE:
1278 CODE: 1513 CODE:
1279 poll_wait (); 1514 poll_wait ();
1280 RETVAL = poll_cb (); 1515 RETVAL = poll_cb ();
1281 OUTPUT: 1516 OUTPUT:
1282 RETVAL 1517 RETVAL
1283 1518
1284int 1519int
1285poll_fileno() 1520poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1521 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1522 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1523 OUTPUT:
1290 RETVAL 1524 RETVAL
1291 1525
1292int 1526int
1293poll_cb(...) 1527poll_cb (...)
1294 PROTOTYPE: 1528 PROTOTYPE:
1295 CODE: 1529 CODE:
1296 RETVAL = poll_cb (); 1530 RETVAL = poll_cb ();
1297 OUTPUT: 1531 OUTPUT:
1298 RETVAL 1532 RETVAL
1299 1533
1300void 1534void
1301poll_wait() 1535poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1536 CODE:
1304 poll_wait (); 1537 poll_wait ();
1305 1538
1306int 1539int
1307nreqs() 1540nreqs ()
1308 PROTOTYPE:
1309 CODE: 1541 CODE:
1310 RETVAL = eio_nreqs (); 1542 RETVAL = eio_nreqs ();
1311 OUTPUT: 1543 OUTPUT:
1312 RETVAL 1544 RETVAL
1313 1545
1314int 1546int
1315nready() 1547nready ()
1316 PROTOTYPE:
1317 CODE: 1548 CODE:
1318 RETVAL = eio_nready (); 1549 RETVAL = eio_nready ();
1319 OUTPUT: 1550 OUTPUT:
1320 RETVAL 1551 RETVAL
1321 1552
1322int 1553int
1323npending() 1554npending ()
1324 PROTOTYPE:
1325 CODE: 1555 CODE:
1326 RETVAL = eio_npending (); 1556 RETVAL = eio_npending ();
1327 OUTPUT: 1557 OUTPUT:
1328 RETVAL 1558 RETVAL
1329 1559
1330int 1560int
1331nthreads() 1561nthreads ()
1332 PROTOTYPE:
1333 CODE: 1562 CODE:
1334 RETVAL = eio_nthreads (); 1563 RETVAL = eio_nthreads ();
1335 OUTPUT: 1564 OUTPUT:
1336 RETVAL 1565 RETVAL
1337 1566
1338int 1567int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1568fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1569 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1570 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1571 OUTPUT:
1348 RETVAL 1572 RETVAL
1349 1573
1350ssize_t 1574ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1575sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1576 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1577 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1578 OUTPUT:
1356 RETVAL 1579 RETVAL
1357 1580
1358void 1581void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1582mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1583 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1584 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1585{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1586 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1587 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1588 if (addr == (void *)-1)
1367 XSRETURN_NO; 1589 XSRETURN_NO;
1368 1590
1591 sv_force_normal (scalar);
1592
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1593 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1594 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1595 ->mg_obj = (SV *)length;
1372 1596
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1597 SvUPGRADE (scalar, SVt_PV); /* nop... */
1598
1374 if (!(prot & PROT_WRITE)) 1599 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1600 SvREADONLY_on (scalar);
1601
1602 if (SvLEN (scalar))
1603 Safefree (SvPVX (scalar));
1376 1604
1377 SvPVX (scalar) = (char *)addr; 1605 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1606 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1607 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1608 SvPOK_only (scalar);
… …
1382 XSRETURN_YES; 1610 XSRETURN_YES;
1383} 1611}
1384 1612
1385void 1613void
1386munmap (SV *scalar) 1614munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1615 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1616 sv_unmagic (scalar, MMAP_MAGIC);
1390 1617
1391int 1618int
1392mlockall (int flags) 1619madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1620 ALIAS:
1621 mprotect = 1
1394 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);
1395#if _POSIX_MEMLOCK 1668#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1669 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 1670#else
1402 RETVAL = -1; 1671 RETVAL = ((errno = ENOSYS), -1);
1403 errno = ENOSYS;
1404#endif 1672#endif
1673}
1405 OUTPUT: 1674 OUTPUT:
1406 RETVAL 1675 RETVAL
1407 1676
1408int 1677int
1409munlockall () 1678munlockall ()
1410 PROTOTYPE:
1411 CODE: 1679 CODE:
1412#if _POSIX_MEMLOCK 1680#if _POSIX_MEMLOCK
1413 munlockall (); 1681 munlockall ();
1414#else 1682#else
1415 RETVAL = -1; 1683 RETVAL = -1;

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