… | |
… | |
65 | # include <signal.h> |
65 | # include <signal.h> |
66 | # define EIO_STRUCT_DIRENT struct dirent |
66 | # define EIO_STRUCT_DIRENT struct dirent |
67 | |
67 | |
68 | #endif |
68 | #endif |
69 | |
69 | |
|
|
70 | /* perl stupidly overrides readdir and maybe others */ |
|
|
71 | /* with thread-unsafe versions, imagine that :( */ |
|
|
72 | #undef readdir |
|
|
73 | #undef opendir |
|
|
74 | #undef closedir |
|
|
75 | |
70 | #define EIO_STRUCT_STAT Stat_t |
76 | #define EIO_STRUCT_STAT Stat_t |
71 | |
77 | |
72 | /* use NV for 32 bit perls as it allows larger offsets */ |
78 | /* use NV for 32 bit perls as it allows larger offsets */ |
73 | #if IVSIZE >= 8 |
79 | #if IVSIZE >= 8 |
74 | # define SvVAL64 SvIV |
80 | # define SvVAL64 SvIV |
75 | #else |
81 | #else |
76 | # define SvVAL64 SvNV |
82 | # define SvVAL64 SvNV |
77 | #endif |
83 | #endif |
78 | |
84 | |
|
|
85 | /*****************************************************************************/ |
|
|
86 | |
|
|
87 | #if __GNUC__ >= 3 |
|
|
88 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
89 | #else |
|
|
90 | # define expect(expr,value) (expr) |
|
|
91 | #endif |
|
|
92 | |
|
|
93 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
94 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
95 | |
|
|
96 | /*****************************************************************************/ |
|
|
97 | |
79 | static HV *stash; |
98 | static HV *stash; |
80 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
99 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
81 | |
100 | |
82 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
101 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
83 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
102 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
84 | |
103 | |
85 | #define EIO_COMMON \ |
104 | #define EIO_REQ_MEMBERS \ |
86 | SV *callback; \ |
105 | SV *callback; \ |
87 | SV *sv1, *sv2; \ |
106 | SV *sv1, *sv2; \ |
88 | STRLEN stroffset; \ |
107 | STRLEN stroffset; \ |
89 | SV *self |
108 | SV *self; |
|
|
109 | |
|
|
110 | #define EIO_NO_WRAPPERS 1 |
90 | |
111 | |
91 | #include "libeio/eio.h" |
112 | #include "libeio/eio.h" |
92 | |
113 | |
93 | static int req_invoke (eio_req *req); |
114 | static int req_invoke (eio_req *req); |
94 | #define EIO_FINISH(req) req_invoke (req) |
115 | #define EIO_FINISH(req) req_invoke (req) |
95 | static void aio_grp_feed (eio_req *grp); |
|
|
96 | #define EIO_FEED(req) aio_grp_feed (req) |
|
|
97 | static void req_destroy (eio_req *grp); |
116 | static void req_destroy (eio_req *grp); |
98 | #define EIO_DESTROY(req) req_destroy (req) |
117 | #define EIO_DESTROY(req) req_destroy (req) |
99 | |
118 | |
100 | enum { |
119 | enum { |
101 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
120 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
… | |
… | |
105 | |
124 | |
106 | typedef eio_req *aio_req; |
125 | typedef eio_req *aio_req; |
107 | typedef eio_req *aio_req_ornot; |
126 | typedef eio_req *aio_req_ornot; |
108 | |
127 | |
109 | static SV *on_next_submit; |
128 | static SV *on_next_submit; |
110 | static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; |
129 | static int next_pri = EIO_PRI_DEFAULT; |
111 | static int max_outstanding; |
130 | static int max_outstanding; |
112 | |
131 | |
113 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
132 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
114 | |
133 | |
115 | static void req_destroy (aio_req req); |
134 | static void req_destroy (aio_req req); |
… | |
… | |
173 | |
192 | |
174 | static void req_submit (eio_req *req) |
193 | static void req_submit (eio_req *req) |
175 | { |
194 | { |
176 | eio_submit (req); |
195 | eio_submit (req); |
177 | |
196 | |
178 | if (on_next_submit) |
197 | if (expect_false (on_next_submit)) |
179 | { |
198 | { |
180 | dSP; |
199 | dSP; |
181 | SV *cb = sv_2mortal (on_next_submit); |
200 | SV *cb = sv_2mortal (on_next_submit); |
182 | |
201 | |
183 | on_next_submit = 0; |
202 | on_next_submit = 0; |
… | |
… | |
193 | dSP; |
212 | dSP; |
194 | |
213 | |
195 | if (req->flags & FLAG_SV2_RO_OFF) |
214 | if (req->flags & FLAG_SV2_RO_OFF) |
196 | SvREADONLY_off (req->sv2); |
215 | SvREADONLY_off (req->sv2); |
197 | |
216 | |
198 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
217 | if (!EIO_CANCELLED (req) && req->callback) |
199 | { |
218 | { |
200 | ENTER; |
219 | ENTER; |
201 | SAVETMPS; |
220 | SAVETMPS; |
202 | PUSHMARK (SP); |
221 | PUSHMARK (SP); |
203 | EXTEND (SP, 1); |
222 | EXTEND (SP, 1); |
… | |
… | |
410 | X_UNLOCK (reslock); |
429 | X_UNLOCK (reslock); |
411 | |
430 | |
412 | if (size) |
431 | if (size) |
413 | return; |
432 | return; |
414 | |
433 | |
415 | maybe_start_thread (); |
434 | etp_maybe_start_thread (); |
416 | |
435 | |
417 | FD_ZERO (&rfd); |
436 | FD_ZERO (&rfd); |
418 | FD_SET (respipe [0], &rfd); |
437 | FD_SET (respipe [0], &rfd); |
419 | |
438 | |
420 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
439 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
421 | } |
440 | } |
422 | } |
441 | } |
423 | |
442 | |
424 | static int poll_cb (void) |
443 | static int poll_cb (void) |
425 | { |
444 | { |
426 | int res; |
445 | for (;;) |
427 | |
|
|
428 | do |
|
|
429 | { |
446 | { |
430 | res = eio_poll (); |
447 | int res = eio_poll (); |
431 | |
448 | |
432 | if (res > 0) |
449 | if (res > 0) |
433 | croak (0); |
450 | croak (0); |
|
|
451 | |
|
|
452 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
453 | return res; |
|
|
454 | |
|
|
455 | poll_wait (); |
434 | } |
456 | } |
435 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
|
|
436 | |
|
|
437 | return res; |
|
|
438 | } |
457 | } |
439 | |
458 | |
440 | static void atfork_child (void) |
459 | static void atfork_child (void) |
441 | { |
460 | { |
442 | create_respipe (); |
461 | create_respipe (); |
443 | } |
462 | } |
444 | |
463 | |
|
|
464 | static SV * |
|
|
465 | get_cb (SV *cb_sv) |
|
|
466 | { |
|
|
467 | HV *st; |
|
|
468 | GV *gvp; |
|
|
469 | CV *cv; |
|
|
470 | |
|
|
471 | if (!SvOK (cb_sv)) |
|
|
472 | return 0; |
|
|
473 | |
|
|
474 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
|
|
475 | |
|
|
476 | if (!cv) |
|
|
477 | croak ("IO::AIO callback must be undef or a CODE reference"); |
|
|
478 | |
|
|
479 | return (SV *)cv; |
|
|
480 | } |
|
|
481 | |
445 | #define dREQ \ |
482 | #define dREQ \ |
|
|
483 | SV *cb_cv; \ |
446 | aio_req req; \ |
484 | aio_req req; \ |
447 | int req_pri = next_pri; \ |
485 | int req_pri = next_pri; \ |
448 | next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ |
486 | next_pri = EIO_PRI_DEFAULT; \ |
449 | \ |
487 | \ |
450 | if (SvOK (callback) && !SvROK (callback)) \ |
488 | cb_cv = get_cb (callback); \ |
451 | croak ("callback must be undef or of reference type"); \ |
|
|
452 | \ |
489 | \ |
453 | Newz (0, req, 1, eio_req); \ |
490 | Newz (0, req, 1, eio_req); \ |
454 | if (!req) \ |
491 | if (!req) \ |
455 | croak ("out of memory during eio_req allocation"); \ |
492 | croak ("out of memory during eio_req allocation"); \ |
456 | \ |
493 | \ |
457 | req->callback = newSVsv (callback); \ |
494 | req->callback = SvREFCNT_inc (cb_cv); \ |
458 | req->pri = req_pri |
495 | req->pri = req_pri |
459 | |
496 | |
460 | #define REQ_SEND \ |
497 | #define REQ_SEND \ |
|
|
498 | PUTBACK; \ |
461 | req_submit (req); \ |
499 | req_submit (req); \ |
|
|
500 | SPAGAIN; \ |
462 | \ |
501 | \ |
463 | if (GIMME_V != G_VOID) \ |
502 | if (GIMME_V != G_VOID) \ |
464 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
503 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
465 | |
504 | |
466 | MODULE = IO::AIO PACKAGE = IO::AIO |
505 | MODULE = IO::AIO PACKAGE = IO::AIO |
… | |
… | |
474 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
513 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
475 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
514 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
476 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
515 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
477 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
516 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
478 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
517 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
479 | #ifdef _WIN32 |
518 | #ifndef _WIN32 |
480 | X_MUTEX_CHECK (wrklock); |
|
|
481 | X_MUTEX_CHECK (reslock); |
|
|
482 | X_MUTEX_CHECK (reqlock); |
|
|
483 | X_MUTEX_CHECK (reqwait); |
|
|
484 | X_MUTEX_CHECK (preadwritelock); |
|
|
485 | X_MUTEX_CHECK (readdirlock); |
|
|
486 | |
|
|
487 | X_COND_CHECK (reqwait); |
|
|
488 | #else |
|
|
489 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
519 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
490 | #endif |
520 | #endif |
|
|
521 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
522 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); |
|
|
523 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); |
|
|
524 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); |
491 | |
525 | |
492 | create_respipe (); |
526 | create_respipe (); |
493 | |
527 | |
494 | if (eio_init (want_poll, done_poll) < 0) |
528 | if (eio_init (want_poll, done_poll) < 0) |
495 | croak ("IO::AIO: unable to initialise eio library"); |
529 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
561 | dREQ; |
595 | dREQ; |
562 | |
596 | |
563 | req->type = ix; |
597 | req->type = ix; |
564 | req->sv1 = newSVsv (fh); |
598 | req->sv1 = newSVsv (fh); |
565 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
599 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
600 | |
|
|
601 | REQ_SEND (req); |
|
|
602 | } |
|
|
603 | |
|
|
604 | void |
|
|
605 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
|
|
606 | PROTOTYPE: $$$$;$ |
|
|
607 | PPCODE: |
|
|
608 | { |
|
|
609 | dREQ; |
|
|
610 | |
|
|
611 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
612 | req->sv1 = newSVsv (fh); |
|
|
613 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
614 | req->offs = SvVAL64 (offset); |
|
|
615 | req->size = SvVAL64 (nbytes); |
|
|
616 | req->int2 = flags; |
566 | |
617 | |
567 | REQ_SEND (req); |
618 | REQ_SEND (req); |
568 | } |
619 | } |
569 | |
620 | |
570 | void |
621 | void |
… | |
… | |
787 | req->int2 = mode; |
838 | req->int2 = mode; |
788 | req->sv1 = newSVsv (fh_or_path); |
839 | req->sv1 = newSVsv (fh_or_path); |
789 | |
840 | |
790 | if (SvPOK (req->sv1)) |
841 | if (SvPOK (req->sv1)) |
791 | { |
842 | { |
|
|
843 | req->type = ix; |
|
|
844 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
845 | } |
|
|
846 | else |
|
|
847 | { |
792 | req->type = EIO_FCHMOD; |
848 | req->type = EIO_FCHMOD; |
793 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
849 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
794 | } |
|
|
795 | else |
|
|
796 | { |
|
|
797 | req->type = ix; |
|
|
798 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
799 | } |
850 | } |
800 | |
851 | |
801 | REQ_SEND; |
852 | REQ_SEND; |
802 | } |
853 | } |
803 | |
854 | |
… | |
… | |
895 | { |
946 | { |
896 | dREQ; |
947 | dREQ; |
897 | |
948 | |
898 | req->type = EIO_GROUP; |
949 | req->type = EIO_GROUP; |
899 | |
950 | |
900 | eio_submit (req); |
951 | req_submit (req); |
901 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
952 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
902 | } |
953 | } |
903 | |
954 | |
904 | void |
955 | void |
905 | aio_nop (SV *callback=&PL_sv_undef) |
956 | aio_nop (SV *callback=&PL_sv_undef) |
… | |
… | |
917 | |
968 | |
918 | int |
969 | int |
919 | aioreq_pri (int pri = 0) |
970 | aioreq_pri (int pri = 0) |
920 | PROTOTYPE: ;$ |
971 | PROTOTYPE: ;$ |
921 | CODE: |
972 | CODE: |
922 | RETVAL = next_pri - EIO_PRI_BIAS; |
973 | RETVAL = next_pri; |
923 | if (items > 0) |
974 | if (items > 0) |
924 | { |
975 | { |
925 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
976 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
926 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
977 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
927 | next_pri = pri + EIO_PRI_BIAS; |
978 | next_pri = pri; |
928 | } |
979 | } |
929 | OUTPUT: |
980 | OUTPUT: |
930 | RETVAL |
981 | RETVAL |
931 | |
982 | |
932 | void |
983 | void |
933 | aioreq_nice (int nice = 0) |
984 | aioreq_nice (int nice = 0) |
934 | CODE: |
985 | CODE: |
935 | nice = next_pri - nice; |
986 | nice = next_pri - nice; |
936 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
987 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
937 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
988 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
938 | next_pri = nice + EIO_PRI_BIAS; |
989 | next_pri = nice; |
939 | |
990 | |
940 | void |
991 | void |
941 | flush () |
992 | flush () |
942 | PROTOTYPE: |
993 | PROTOTYPE: |
943 | CODE: |
994 | CODE: |
… | |
… | |
1004 | |
1055 | |
1005 | int |
1056 | int |
1006 | nthreads() |
1057 | nthreads() |
1007 | PROTOTYPE: |
1058 | PROTOTYPE: |
1008 | CODE: |
1059 | CODE: |
1009 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1060 | RETVAL = eio_nthreads (); |
1010 | RETVAL = started; |
|
|
1011 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
|
|
1012 | OUTPUT: |
1061 | OUTPUT: |
1013 | RETVAL |
1062 | RETVAL |
1014 | |
1063 | |
1015 | void _on_next_submit (SV *cb) |
1064 | void _on_next_submit (SV *cb) |
1016 | CODE: |
1065 | CODE: |
… | |
… | |
1026 | CODE: |
1075 | CODE: |
1027 | eio_cancel (req); |
1076 | eio_cancel (req); |
1028 | |
1077 | |
1029 | void |
1078 | void |
1030 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1079 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1031 | CODE: |
1080 | PPCODE: |
|
|
1081 | { |
|
|
1082 | if (GIMME_V != G_VOID) |
|
|
1083 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1084 | |
|
|
1085 | if (items > 1) |
|
|
1086 | { |
|
|
1087 | SV *cb_cv = get_cb (callback); |
|
|
1088 | |
1032 | SvREFCNT_dec (req->callback); |
1089 | SvREFCNT_dec (req->callback); |
1033 | req->callback = newSVsv (callback); |
1090 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1091 | } |
|
|
1092 | } |
1034 | |
1093 | |
1035 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1094 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1036 | |
1095 | |
1037 | void |
1096 | void |
1038 | add (aio_req grp, ...) |
1097 | add (aio_req grp, ...) |
… | |
… | |
1093 | void |
1152 | void |
1094 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1153 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1095 | CODE: |
1154 | CODE: |
1096 | { |
1155 | { |
1097 | SvREFCNT_dec (grp->sv2); |
1156 | SvREFCNT_dec (grp->sv2); |
1098 | grp->sv2 = newSVsv (callback); |
1157 | grp->sv2 = newSVsv (callback); |
|
|
1158 | grp->feed = aio_grp_feed; |
1099 | |
1159 | |
1100 | if (grp->int2 <= 0) |
1160 | if (grp->int2 <= 0) |
1101 | grp->int2 = 2; |
1161 | grp->int2 = 2; |
1102 | |
1162 | |
1103 | eio_grp_limit (grp, grp->int2); |
1163 | eio_grp_limit (grp, grp->int2); |