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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.115 by root, Sat May 10 18:06:41 2008 UTC vs.
Revision 1.123 by root, Sat May 17 12:17:25 2008 UTC

… …
12#include <sys/types.h> 12#include <sys/types.h>
13#include <sys/stat.h> 13#include <sys/stat.h>
14#include <limits.h> 14#include <limits.h>
15#include <fcntl.h> 15#include <fcntl.h>
16#include <sched.h> 16#include <sched.h>
17
18/* perl namespace pollution */
19#undef VERSION
17 20
18#ifdef _WIN32 21#ifdef _WIN32
19 22
20# define EIO_STRUCT_DIRENT Direntry_t 23# define EIO_STRUCT_DIRENT Direntry_t
21# undef malloc 24# undef malloc
… …
77typedef SV SV8; /* byte-sv, used for argument-checking */ 80typedef SV SV8; /* byte-sv, used for argument-checking */
78 81
79#define AIO_REQ_KLASS "IO::AIO::REQ" 82#define AIO_REQ_KLASS "IO::AIO::REQ"
80#define AIO_GRP_KLASS "IO::AIO::GRP" 83#define AIO_GRP_KLASS "IO::AIO::GRP"
81 84
82#define EIO_COMMON \ 85#define EIO_REQ_MEMBERS \
83 SV *callback; \ 86 SV *callback; \
84 SV *sv1, *sv2; \ 87 SV *sv1, *sv2; \
85 STRLEN stroffset; \ 88 STRLEN stroffset; \
86 SV *self 89 SV *self;
90
91#define EIO_NO_WRAPPERS 1
87 92
88#include "libeio/eio.h" 93#include "libeio/eio.h"
89 94
90static int req_invoke (eio_req *req); 95static int req_invoke (eio_req *req);
91#define EIO_FINISH(req) req_invoke (req) 96#define EIO_FINISH(req) req_invoke (req)
… …
101#include "libeio/eio.c" 106#include "libeio/eio.c"
102 107
103typedef eio_req *aio_req; 108typedef eio_req *aio_req;
104typedef eio_req *aio_req_ornot; 109typedef eio_req *aio_req_ornot;
105 110
106static unsigned int max_outstanding = 0x7fffffff; 111static SV *on_next_submit;
107 112static int next_pri = EIO_PRI_DEFAULT;
108static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; 113static int max_outstanding;
109 114
110static int respipe_osf [2], respipe [2] = { -1, -1 }; 115static int respipe_osf [2], respipe [2] = { -1, -1 };
111 116
112static void req_destroy (aio_req req); 117static void req_destroy (aio_req req);
113static void req_cancel (aio_req req); 118static void req_cancel (aio_req req);
… …
166 FREETMPS; 171 FREETMPS;
167 LEAVE; 172 LEAVE;
168 } 173 }
169} 174}
170 175
176static void req_submit (eio_req *req)
177{
178 eio_submit (req);
179
180 if (on_next_submit)
181 {
182 dSP;
183 SV *cb = sv_2mortal (on_next_submit);
184
185 on_next_submit = 0;
186
187 PUSHMARK (SP);
188 PUTBACK;
189 call_sv (cb, G_DISCARD | G_EVAL);
190 }
191}
192
171static int req_invoke (eio_req *req) 193static int req_invoke (eio_req *req)
172{ 194{
173 dSP; 195 dSP;
174 196
175 if (req->flags & FLAG_SV2_RO_OFF) 197 if (req->flags & FLAG_SV2_RO_OFF)
… …
260 case EIO_BUSY: 282 case EIO_BUSY:
261 break; 283 break;
262 284
263 case EIO_READLINK: 285 case EIO_READLINK:
264 if (req->result > 0) 286 if (req->result > 0)
265 { 287 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
266 SvCUR_set (req->sv2, req->result);
267 *SvEND (req->sv2) = 0;
268 PUSHs (req->sv2);
269 }
270 break; 288 break;
271 289
272 case EIO_STAT: 290 case EIO_STAT:
273 case EIO_LSTAT: 291 case EIO_LSTAT:
274 case EIO_FSTAT: 292 case EIO_FSTAT:
… …
394 X_UNLOCK (reslock); 412 X_UNLOCK (reslock);
395 413
396 if (size) 414 if (size)
397 return; 415 return;
398 416
399 maybe_start_thread (); 417 etp_maybe_start_thread ();
400 418
401 FD_ZERO (&rfd); 419 FD_ZERO (&rfd);
402 FD_SET (respipe [0], &rfd); 420 FD_SET (respipe [0], &rfd);
403 421
404 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); 422 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405 } 423 }
406} 424}
407 425
408static int poll_cb (void) 426static int poll_cb (void)
409{ 427{
428 int res;
429
430 do
431 {
410 int res = eio_poll (); 432 res = eio_poll ();
411 433
412 if (res > 0) 434 if (res > 0)
413 croak (0); 435 croak (0);
436 }
437 while (max_outstanding && max_outstanding <= eio_nreqs ());
414 438
415 return res; 439 return res;
440}
441
442static void atfork_child (void)
443{
444 create_respipe ();
416} 445}
417 446
418#define dREQ \ 447#define dREQ \
419 aio_req req; \ 448 aio_req req; \
420 int req_pri = next_pri; \ 449 int req_pri = next_pri; \
421 next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ 450 next_pri = EIO_PRI_DEFAULT; \
422 \ 451 \
423 if (SvOK (callback) && !SvROK (callback)) \ 452 if (SvOK (callback) && !SvROK (callback)) \
424 croak ("callback must be undef or of reference type"); \ 453 croak ("callback must be undef or of reference type"); \
425 \ 454 \
426 Newz (0, req, 1, eio_req); \ 455 Newz (0, req, 1, eio_req); \
… …
429 \ 458 \
430 req->callback = newSVsv (callback); \ 459 req->callback = newSVsv (callback); \
431 req->pri = req_pri 460 req->pri = req_pri
432 461
433#define REQ_SEND \ 462#define REQ_SEND \
434 eio_submit (req); \ 463 req_submit (req); \
435 \ 464 \
436 if (GIMME_V != G_VOID) \ 465 if (GIMME_V != G_VOID) \
437 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 466 XPUSHs (req_sv (req, AIO_REQ_KLASS));
438 467
439MODULE = IO::AIO PACKAGE = IO::AIO 468MODULE = IO::AIO PACKAGE = IO::AIO
… …
447 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 476 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
448 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 477 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
449 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 478 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
450 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 479 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
451 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 480 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
452#ifdef _WIN32 481#ifndef _WIN32
453 X_MUTEX_CHECK (wrklock);
454 X_MUTEX_CHECK (reslock);
455 X_MUTEX_CHECK (reqlock);
456 X_MUTEX_CHECK (reqwait);
457 X_MUTEX_CHECK (preadwritelock);
458 X_MUTEX_CHECK (readdirlock);
459
460 X_COND_CHECK (reqwait);
461#else
462 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 482 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
463#endif 483#endif
464 484
465 create_respipe (); 485 create_respipe ();
466 486
467 if (eio_init (want_poll, done_poll) < 0) 487 if (eio_init (want_poll, done_poll) < 0)
468 croak ("IO::AIO: unable to initialise eio library"); 488 croak ("IO::AIO: unable to initialise eio library");
489
490 /* atfork child called in fifo order, so before eio's handler */
491 X_THREAD_ATFORK (0, 0, atfork_child);
469} 492}
470 493
471void 494void
472max_poll_reqs (int nreqs) 495max_poll_reqs (int nreqs)
473 PROTOTYPE: $ 496 PROTOTYPE: $
… …
630 PPCODE: 653 PPCODE:
631{ 654{
632 SV *data; 655 SV *data;
633 dREQ; 656 dREQ;
634 657
635 data = newSV (NAME_MAX);
636 SvPOK_on (data);
637
638 req->type = EIO_READLINK; 658 req->type = EIO_READLINK;
639 req->sv1 = newSVsv (path); 659 req->sv1 = newSVsv (path);
640 req->ptr1 = SvPVbyte_nolen (req->sv1); 660 req->ptr1 = SvPVbyte_nolen (req->sv1);
641 req->sv2 = data;
642 req->ptr2 = SvPVbyte_nolen (data);
643 661
644 REQ_SEND; 662 REQ_SEND;
645} 663}
646 664
647void 665void
… …
685 aio_lstat = EIO_LSTAT 703 aio_lstat = EIO_LSTAT
686 PPCODE: 704 PPCODE:
687{ 705{
688 dREQ; 706 dREQ;
689 707
690 req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
691 if (!req->ptr2)
692 {
693 req_destroy (req);
694 croak ("out of memory during aio_stat statdata allocation");
695 }
696
697 req->flags |= EIO_FLAG_PTR2_FREE;
698 req->sv1 = newSVsv (fh_or_path); 708 req->sv1 = newSVsv (fh_or_path);
699 709
700 if (SvPOK (fh_or_path)) 710 if (SvPOK (req->sv1))
701 { 711 {
702 req->type = ix; 712 req->type = ix;
703 req->ptr1 = SvPVbyte_nolen (req->sv1); 713 req->ptr1 = SvPVbyte_nolen (req->sv1);
704 } 714 }
705 else 715 else
… …
719 729
720 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 730 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
721 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 731 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
722 req->sv1 = newSVsv (fh_or_path); 732 req->sv1 = newSVsv (fh_or_path);
723 733
724 if (SvPOK (fh_or_path)) 734 if (SvPOK (req->sv1))
725 { 735 {
726 req->type = EIO_UTIME; 736 req->type = EIO_UTIME;
727 req->ptr1 = SvPVbyte_nolen (req->sv1); 737 req->ptr1 = SvPVbyte_nolen (req->sv1);
728 } 738 }
729 else 739 else
… …
742 dREQ; 752 dREQ;
743 753
744 req->sv1 = newSVsv (fh_or_path); 754 req->sv1 = newSVsv (fh_or_path);
745 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 755 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
746 756
747 if (SvPOK (fh_or_path)) 757 if (SvPOK (req->sv1))
748 { 758 {
749 req->type = EIO_TRUNCATE; 759 req->type = EIO_TRUNCATE;
750 req->ptr1 = SvPVbyte_nolen (req->sv1); 760 req->ptr1 = SvPVbyte_nolen (req->sv1);
751 } 761 }
752 else 762 else
… …
760 770
761void 771void
762aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 772aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
763 ALIAS: 773 ALIAS:
764 aio_chmod = EIO_CHMOD 774 aio_chmod = EIO_CHMOD
765 aio_fchmod = EIO_FCHMOD
766 aio_mkdir = EIO_MKDIR 775 aio_mkdir = EIO_MKDIR
767 PPCODE: 776 PPCODE:
768{ 777{
769 dREQ; 778 dREQ;
770 779
771 req->type = ix;
772 req->int2 = mode; 780 req->int2 = mode;
773 req->sv1 = newSVsv (fh_or_path); 781 req->sv1 = newSVsv (fh_or_path);
774 782
775 if (ix == EIO_FCHMOD) 783 if (SvPOK (req->sv1))
776 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 784 {
785 req->type = ix;
786 req->ptr1 = SvPVbyte_nolen (req->sv1);
787 }
777 else 788 else
778 req->ptr1 = SvPVbyte_nolen (req->sv1); 789 {
790 req->type = EIO_FCHMOD;
791 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
792 }
779 793
780 REQ_SEND; 794 REQ_SEND;
781} 795}
782 796
783void 797void
… …
788 802
789 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 803 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
790 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 804 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
791 req->sv1 = newSVsv (fh_or_path); 805 req->sv1 = newSVsv (fh_or_path);
792 806
793 if (SvPOK (fh_or_path)) 807 if (SvPOK (req->sv1))
794 { 808 {
795 req->type = EIO_CHOWN; 809 req->type = EIO_CHOWN;
796 req->ptr1 = SvPVbyte_nolen (req->sv1); 810 req->ptr1 = SvPVbyte_nolen (req->sv1);
797 } 811 }
798 else 812 else
… …
896 910
897int 911int
898aioreq_pri (int pri = 0) 912aioreq_pri (int pri = 0)
899 PROTOTYPE: ;$ 913 PROTOTYPE: ;$
900 CODE: 914 CODE:
901 RETVAL = next_pri - EIO_PRI_BIAS; 915 RETVAL = next_pri;
902 if (items > 0) 916 if (items > 0)
903 { 917 {
904 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 918 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
905 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; 919 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
906 next_pri = pri + EIO_PRI_BIAS; 920 next_pri = pri;
907 } 921 }
908 OUTPUT: 922 OUTPUT:
909 RETVAL 923 RETVAL
910 924
911void 925void
912aioreq_nice (int nice = 0) 926aioreq_nice (int nice = 0)
913 CODE: 927 CODE:
914 nice = next_pri - nice; 928 nice = next_pri - nice;
915 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; 929 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
916 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 930 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
917 next_pri = nice + EIO_PRI_BIAS; 931 next_pri = nice;
918 932
919void 933void
920flush () 934flush ()
921 PROTOTYPE: 935 PROTOTYPE:
922 CODE: 936 CODE:
923 while (nreqs) 937 while (eio_nreqs ())
924 { 938 {
925 poll_wait (); 939 poll_wait ();
926 poll_cb (); 940 poll_cb ();
927 } 941 }
928 942
… …
983 997
984int 998int
985nthreads() 999nthreads()
986 PROTOTYPE: 1000 PROTOTYPE:
987 CODE: 1001 CODE:
988 if (WORDACCESS_UNSAFE) X_LOCK (wrklock); 1002 RETVAL = eio_nthreads ();
989 RETVAL = started;
990 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
991 OUTPUT: 1003 OUTPUT:
992 RETVAL 1004 RETVAL
1005
1006void _on_next_submit (SV *cb)
1007 CODE:
1008 SvREFCNT_dec (on_next_submit);
1009 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
993 1010
994PROTOTYPES: DISABLE 1011PROTOTYPES: DISABLE
995 1012
996MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1013MODULE = IO::AIO PACKAGE = IO::AIO::REQ
997 1014

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