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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" |
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92 | |
111 | |
93 | #include "libeio/eio.h" |
112 | #include "libeio/eio.h" |
94 | |
113 | |
95 | static int req_invoke (eio_req *req); |
114 | static int req_invoke (eio_req *req); |
96 | #define EIO_FINISH(req) req_invoke (req) |
115 | #define EIO_FINISH(req) req_invoke (req) |
97 | static void aio_grp_feed (eio_req *grp); |
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98 | #define EIO_FEED(req) aio_grp_feed (req) |
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99 | static void req_destroy (eio_req *grp); |
116 | static void req_destroy (eio_req *grp); |
100 | #define EIO_DESTROY(req) req_destroy (req) |
117 | #define EIO_DESTROY(req) req_destroy (req) |
101 | |
118 | |
102 | enum { |
119 | enum { |
103 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
120 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
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175 | |
192 | |
176 | static void req_submit (eio_req *req) |
193 | static void req_submit (eio_req *req) |
177 | { |
194 | { |
178 | eio_submit (req); |
195 | eio_submit (req); |
179 | |
196 | |
180 | if (on_next_submit) |
197 | if (expect_false (on_next_submit)) |
181 | { |
198 | { |
182 | dSP; |
199 | dSP; |
183 | SV *cb = sv_2mortal (on_next_submit); |
200 | SV *cb = sv_2mortal (on_next_submit); |
184 | |
201 | |
185 | on_next_submit = 0; |
202 | on_next_submit = 0; |
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195 | dSP; |
212 | dSP; |
196 | |
213 | |
197 | if (req->flags & FLAG_SV2_RO_OFF) |
214 | if (req->flags & FLAG_SV2_RO_OFF) |
198 | SvREADONLY_off (req->sv2); |
215 | SvREADONLY_off (req->sv2); |
199 | |
216 | |
200 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
217 | if (!EIO_CANCELLED (req) && req->callback) |
201 | { |
218 | { |
202 | ENTER; |
219 | ENTER; |
203 | SAVETMPS; |
220 | SAVETMPS; |
204 | PUSHMARK (SP); |
221 | PUSHMARK (SP); |
205 | EXTEND (SP, 1); |
222 | EXTEND (SP, 1); |
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442 | static void atfork_child (void) |
459 | static void atfork_child (void) |
443 | { |
460 | { |
444 | create_respipe (); |
461 | create_respipe (); |
445 | } |
462 | } |
446 | |
463 | |
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464 | static SV * |
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465 | get_cb (SV *cb_sv) |
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466 | { |
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467 | HV *st; |
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468 | GV *gvp; |
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469 | CV *cv; |
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470 | |
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471 | if (!SvOK (cb_sv)) |
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472 | return 0; |
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473 | |
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474 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
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475 | |
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476 | if (!cv) |
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477 | croak ("IO::AIO callback must be undef or a CODE reference"); |
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478 | |
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479 | return (SV *)cv; |
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480 | } |
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481 | |
447 | #define dREQ \ |
482 | #define dREQ \ |
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483 | SV *cb_cv; \ |
448 | aio_req req; \ |
484 | aio_req req; \ |
449 | int req_pri = next_pri; \ |
485 | int req_pri = next_pri; \ |
450 | next_pri = EIO_PRI_DEFAULT; \ |
486 | next_pri = EIO_PRI_DEFAULT; \ |
451 | \ |
487 | \ |
452 | if (SvOK (callback) && !SvROK (callback)) \ |
488 | cb_cv = get_cb (callback); \ |
453 | croak ("callback must be undef or of reference type"); \ |
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454 | \ |
489 | \ |
455 | Newz (0, req, 1, eio_req); \ |
490 | Newz (0, req, 1, eio_req); \ |
456 | if (!req) \ |
491 | if (!req) \ |
457 | croak ("out of memory during eio_req allocation"); \ |
492 | croak ("out of memory during eio_req allocation"); \ |
458 | \ |
493 | \ |
459 | req->callback = newSVsv (callback); \ |
494 | req->callback = SvREFCNT_inc (cb_cv); \ |
460 | req->pri = req_pri |
495 | req->pri = req_pri |
461 | |
496 | |
462 | #define REQ_SEND \ |
497 | #define REQ_SEND \ |
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498 | PUTBACK; \ |
463 | req_submit (req); \ |
499 | req_submit (req); \ |
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500 | SPAGAIN; \ |
464 | \ |
501 | \ |
465 | if (GIMME_V != G_VOID) \ |
502 | if (GIMME_V != G_VOID) \ |
466 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
503 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
467 | |
504 | |
468 | MODULE = IO::AIO PACKAGE = IO::AIO |
505 | MODULE = IO::AIO PACKAGE = IO::AIO |
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479 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
516 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
480 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
517 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
481 | #ifndef _WIN32 |
518 | #ifndef _WIN32 |
482 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
519 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
483 | #endif |
520 | #endif |
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521 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
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522 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); |
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523 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); |
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524 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); |
484 | |
525 | |
485 | create_respipe (); |
526 | create_respipe (); |
486 | |
527 | |
487 | if (eio_init (want_poll, done_poll) < 0) |
528 | if (eio_init (want_poll, done_poll) < 0) |
488 | croak ("IO::AIO: unable to initialise eio library"); |
529 | croak ("IO::AIO: unable to initialise eio library"); |
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554 | dREQ; |
595 | dREQ; |
555 | |
596 | |
556 | req->type = ix; |
597 | req->type = ix; |
557 | req->sv1 = newSVsv (fh); |
598 | req->sv1 = newSVsv (fh); |
558 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
599 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
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600 | |
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601 | REQ_SEND (req); |
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602 | } |
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603 | |
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604 | void |
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605 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
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606 | PROTOTYPE: $$$$;$ |
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607 | PPCODE: |
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608 | { |
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609 | dREQ; |
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610 | |
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611 | req->type = EIO_SYNC_FILE_RANGE; |
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612 | req->sv1 = newSVsv (fh); |
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613 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
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614 | req->offs = SvVAL64 (offset); |
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615 | req->size = SvVAL64 (nbytes); |
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616 | req->int2 = flags; |
559 | |
617 | |
560 | REQ_SEND (req); |
618 | REQ_SEND (req); |
561 | } |
619 | } |
562 | |
620 | |
563 | void |
621 | void |
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888 | { |
946 | { |
889 | dREQ; |
947 | dREQ; |
890 | |
948 | |
891 | req->type = EIO_GROUP; |
949 | req->type = EIO_GROUP; |
892 | |
950 | |
893 | eio_submit (req); |
951 | req_submit (req); |
894 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
952 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
895 | } |
953 | } |
896 | |
954 | |
897 | void |
955 | void |
898 | aio_nop (SV *callback=&PL_sv_undef) |
956 | aio_nop (SV *callback=&PL_sv_undef) |
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1017 | CODE: |
1075 | CODE: |
1018 | eio_cancel (req); |
1076 | eio_cancel (req); |
1019 | |
1077 | |
1020 | void |
1078 | void |
1021 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1079 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1022 | CODE: |
1080 | PPCODE: |
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1081 | { |
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1082 | if (GIMME_V != G_VOID) |
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1083 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
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1084 | |
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1085 | if (items > 1) |
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1086 | { |
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1087 | SV *cb_cv = get_cb (callback); |
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1088 | |
1023 | SvREFCNT_dec (req->callback); |
1089 | SvREFCNT_dec (req->callback); |
1024 | req->callback = newSVsv (callback); |
1090 | req->callback = SvREFCNT_inc (cb_cv); |
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1091 | } |
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1092 | } |
1025 | |
1093 | |
1026 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1094 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1027 | |
1095 | |
1028 | void |
1096 | void |
1029 | add (aio_req grp, ...) |
1097 | add (aio_req grp, ...) |
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1084 | void |
1152 | void |
1085 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1153 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1086 | CODE: |
1154 | CODE: |
1087 | { |
1155 | { |
1088 | SvREFCNT_dec (grp->sv2); |
1156 | SvREFCNT_dec (grp->sv2); |
1089 | grp->sv2 = newSVsv (callback); |
1157 | grp->sv2 = newSVsv (callback); |
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1158 | grp->feed = aio_grp_feed; |
1090 | |
1159 | |
1091 | if (grp->int2 <= 0) |
1160 | if (grp->int2 <= 0) |
1092 | grp->int2 = 2; |
1161 | grp->int2 = 2; |
1093 | |
1162 | |
1094 | eio_grp_limit (grp, grp->int2); |
1163 | eio_grp_limit (grp, grp->int2); |