… | |
… | |
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 | |
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70 | /* perl stupidly overrides readdir and maybe others */ |
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71 | /* with thread-unsafe versions, imagine that :( */ |
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72 | #undef readdir |
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73 | #undef opendir |
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74 | #undef closedir |
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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 | |
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85 | /*****************************************************************************/ |
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86 | |
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87 | #if __GNUC__ >= 3 |
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88 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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89 | #else |
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90 | # define expect(expr,value) (expr) |
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91 | #endif |
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92 | |
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93 | #define expect_false(expr) expect ((expr) != 0, 0) |
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94 | #define expect_true(expr) expect ((expr) != 0, 1) |
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95 | |
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96 | /*****************************************************************************/ |
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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; |
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109 | |
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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) |
… | |
… | |
105 | |
126 | |
106 | typedef eio_req *aio_req; |
127 | typedef eio_req *aio_req; |
107 | typedef eio_req *aio_req_ornot; |
128 | typedef eio_req *aio_req_ornot; |
108 | |
129 | |
109 | static SV *on_next_submit; |
130 | static SV *on_next_submit; |
110 | static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; |
131 | static int next_pri = EIO_PRI_DEFAULT; |
111 | static int max_outstanding; |
132 | static int max_outstanding; |
112 | |
133 | |
113 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
134 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
114 | |
135 | |
115 | static void req_destroy (aio_req req); |
136 | static void req_destroy (aio_req req); |
… | |
… | |
173 | |
194 | |
174 | static void req_submit (eio_req *req) |
195 | static void req_submit (eio_req *req) |
175 | { |
196 | { |
176 | eio_submit (req); |
197 | eio_submit (req); |
177 | |
198 | |
178 | if (on_next_submit) |
199 | if (expect_false (on_next_submit)) |
179 | { |
200 | { |
180 | dSP; |
201 | dSP; |
181 | SV *cb = sv_2mortal (on_next_submit); |
202 | SV *cb = sv_2mortal (on_next_submit); |
182 | |
203 | |
183 | on_next_submit = 0; |
204 | on_next_submit = 0; |
… | |
… | |
193 | dSP; |
214 | dSP; |
194 | |
215 | |
195 | if (req->flags & FLAG_SV2_RO_OFF) |
216 | if (req->flags & FLAG_SV2_RO_OFF) |
196 | SvREADONLY_off (req->sv2); |
217 | SvREADONLY_off (req->sv2); |
197 | |
218 | |
198 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
219 | if (!EIO_CANCELLED (req) && req->callback) |
199 | { |
220 | { |
200 | ENTER; |
221 | ENTER; |
201 | SAVETMPS; |
222 | SAVETMPS; |
202 | PUSHMARK (SP); |
223 | PUSHMARK (SP); |
203 | EXTEND (SP, 1); |
224 | EXTEND (SP, 1); |
… | |
… | |
410 | X_UNLOCK (reslock); |
431 | X_UNLOCK (reslock); |
411 | |
432 | |
412 | if (size) |
433 | if (size) |
413 | return; |
434 | return; |
414 | |
435 | |
415 | maybe_start_thread (); |
436 | etp_maybe_start_thread (); |
416 | |
437 | |
417 | FD_ZERO (&rfd); |
438 | FD_ZERO (&rfd); |
418 | FD_SET (respipe [0], &rfd); |
439 | FD_SET (respipe [0], &rfd); |
419 | |
440 | |
420 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
441 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
421 | } |
442 | } |
422 | } |
443 | } |
423 | |
444 | |
424 | static int poll_cb (void) |
445 | static int poll_cb (void) |
425 | { |
446 | { |
426 | int res; |
447 | for (;;) |
427 | |
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428 | do |
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429 | { |
448 | { |
430 | res = eio_poll (); |
449 | int res = eio_poll (); |
431 | |
450 | |
432 | if (res > 0) |
451 | if (res > 0) |
433 | croak (0); |
452 | croak (0); |
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453 | |
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454 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
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455 | return res; |
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456 | |
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457 | poll_wait (); |
434 | } |
458 | } |
435 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
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436 | |
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437 | return res; |
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438 | } |
459 | } |
439 | |
460 | |
440 | static void atfork_child (void) |
461 | static void atfork_child (void) |
441 | { |
462 | { |
442 | create_respipe (); |
463 | create_respipe (); |
443 | } |
464 | } |
444 | |
465 | |
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466 | static SV * |
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467 | get_cb (SV *cb_sv) |
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468 | { |
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469 | HV *st; |
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470 | GV *gvp; |
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471 | CV *cv; |
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472 | |
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473 | if (!SvOK (cb_sv)) |
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474 | return 0; |
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475 | |
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476 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
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477 | |
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478 | if (!cv) |
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479 | croak ("IO::AIO callback must be undef or a CODE reference"); |
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480 | |
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481 | return (SV *)cv; |
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482 | } |
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483 | |
445 | #define dREQ \ |
484 | #define dREQ \ |
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485 | SV *cb_cv; \ |
446 | aio_req req; \ |
486 | aio_req req; \ |
447 | int req_pri = next_pri; \ |
487 | int req_pri = next_pri; \ |
448 | next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ |
488 | next_pri = EIO_PRI_DEFAULT; \ |
449 | \ |
489 | \ |
450 | if (SvOK (callback) && !SvROK (callback)) \ |
490 | cb_cv = get_cb (callback); \ |
451 | croak ("callback must be undef or of reference type"); \ |
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452 | \ |
491 | \ |
453 | Newz (0, req, 1, eio_req); \ |
492 | Newz (0, req, 1, eio_req); \ |
454 | if (!req) \ |
493 | if (!req) \ |
455 | croak ("out of memory during eio_req allocation"); \ |
494 | croak ("out of memory during eio_req allocation"); \ |
456 | \ |
495 | \ |
457 | req->callback = newSVsv (callback); \ |
496 | req->callback = SvREFCNT_inc (cb_cv); \ |
458 | req->pri = req_pri |
497 | req->pri = req_pri |
459 | |
498 | |
460 | #define REQ_SEND \ |
499 | #define REQ_SEND \ |
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500 | PUTBACK; \ |
461 | req_submit (req); \ |
501 | req_submit (req); \ |
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502 | SPAGAIN; \ |
462 | \ |
503 | \ |
463 | if (GIMME_V != G_VOID) \ |
504 | if (GIMME_V != G_VOID) \ |
464 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
505 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
465 | |
506 | |
466 | MODULE = IO::AIO PACKAGE = IO::AIO |
507 | MODULE = IO::AIO PACKAGE = IO::AIO |
… | |
… | |
474 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
515 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
475 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
516 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
476 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
517 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
477 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
518 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
478 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
519 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
479 | #ifdef _WIN32 |
520 | #ifndef _WIN32 |
480 | X_MUTEX_CHECK (wrklock); |
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481 | X_MUTEX_CHECK (reslock); |
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482 | X_MUTEX_CHECK (reqlock); |
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483 | X_MUTEX_CHECK (reqwait); |
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484 | X_MUTEX_CHECK (preadwritelock); |
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485 | X_MUTEX_CHECK (readdirlock); |
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486 | |
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487 | X_COND_CHECK (reqwait); |
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488 | #else |
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489 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
521 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
490 | #endif |
522 | #endif |
491 | |
523 | |
492 | create_respipe (); |
524 | create_respipe (); |
493 | |
525 | |
… | |
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895 | { |
927 | { |
896 | dREQ; |
928 | dREQ; |
897 | |
929 | |
898 | req->type = EIO_GROUP; |
930 | req->type = EIO_GROUP; |
899 | |
931 | |
900 | eio_submit (req); |
932 | req_submit (req); |
901 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
933 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
902 | } |
934 | } |
903 | |
935 | |
904 | void |
936 | void |
905 | aio_nop (SV *callback=&PL_sv_undef) |
937 | aio_nop (SV *callback=&PL_sv_undef) |
… | |
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917 | |
949 | |
918 | int |
950 | int |
919 | aioreq_pri (int pri = 0) |
951 | aioreq_pri (int pri = 0) |
920 | PROTOTYPE: ;$ |
952 | PROTOTYPE: ;$ |
921 | CODE: |
953 | CODE: |
922 | RETVAL = next_pri - EIO_PRI_BIAS; |
954 | RETVAL = next_pri; |
923 | if (items > 0) |
955 | if (items > 0) |
924 | { |
956 | { |
925 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
957 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
926 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
958 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
927 | next_pri = pri + EIO_PRI_BIAS; |
959 | next_pri = pri; |
928 | } |
960 | } |
929 | OUTPUT: |
961 | OUTPUT: |
930 | RETVAL |
962 | RETVAL |
931 | |
963 | |
932 | void |
964 | void |
933 | aioreq_nice (int nice = 0) |
965 | aioreq_nice (int nice = 0) |
934 | CODE: |
966 | CODE: |
935 | nice = next_pri - nice; |
967 | nice = next_pri - nice; |
936 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
968 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
937 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
969 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
938 | next_pri = nice + EIO_PRI_BIAS; |
970 | next_pri = nice; |
939 | |
971 | |
940 | void |
972 | void |
941 | flush () |
973 | flush () |
942 | PROTOTYPE: |
974 | PROTOTYPE: |
943 | CODE: |
975 | CODE: |
… | |
… | |
1004 | |
1036 | |
1005 | int |
1037 | int |
1006 | nthreads() |
1038 | nthreads() |
1007 | PROTOTYPE: |
1039 | PROTOTYPE: |
1008 | CODE: |
1040 | CODE: |
1009 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1041 | RETVAL = eio_nthreads (); |
1010 | RETVAL = started; |
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|
1011 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
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|
1012 | OUTPUT: |
1042 | OUTPUT: |
1013 | RETVAL |
1043 | RETVAL |
1014 | |
1044 | |
1015 | void _on_next_submit (SV *cb) |
1045 | void _on_next_submit (SV *cb) |
1016 | CODE: |
1046 | CODE: |
… | |
… | |
1026 | CODE: |
1056 | CODE: |
1027 | eio_cancel (req); |
1057 | eio_cancel (req); |
1028 | |
1058 | |
1029 | void |
1059 | void |
1030 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1060 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1031 | CODE: |
1061 | PPCODE: |
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|
1062 | { |
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|
1063 | if (GIMME_V != G_VOID) |
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1064 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
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|
1065 | |
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1066 | if (items > 1) |
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1067 | { |
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1068 | SV *cb_cv = get_cb (callback); |
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|
1069 | |
1032 | SvREFCNT_dec (req->callback); |
1070 | SvREFCNT_dec (req->callback); |
1033 | req->callback = newSVsv (callback); |
1071 | req->callback = SvREFCNT_inc (cb_cv); |
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|
1072 | } |
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|
1073 | } |
1034 | |
1074 | |
1035 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1075 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1036 | |
1076 | |
1037 | void |
1077 | void |
1038 | add (aio_req grp, ...) |
1078 | add (aio_req grp, ...) |