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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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85 | #define EIO_REQ_MEMBERS \ |
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) |
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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; |
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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 (); |
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456 | \ |
477 | \ |
457 | req->callback = newSVsv (callback); \ |
478 | req->callback = newSVsv (callback); \ |
458 | req->pri = req_pri |
479 | req->pri = req_pri |
459 | |
480 | |
460 | #define REQ_SEND \ |
481 | #define REQ_SEND \ |
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482 | PUTBACK; \ |
461 | req_submit (req); \ |
483 | req_submit (req); \ |
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484 | SPAGAIN; \ |
462 | \ |
485 | \ |
463 | if (GIMME_V != G_VOID) \ |
486 | if (GIMME_V != G_VOID) \ |
464 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
487 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
465 | |
488 | |
466 | MODULE = IO::AIO PACKAGE = IO::AIO |
489 | MODULE = IO::AIO PACKAGE = IO::AIO |
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474 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
497 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
475 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
498 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
476 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
499 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
477 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
500 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
478 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
501 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
479 | #ifdef _WIN32 |
502 | #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)); |
503 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
490 | #endif |
504 | #endif |
491 | |
505 | |
492 | create_respipe (); |
506 | create_respipe (); |
493 | |
507 | |
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895 | { |
909 | { |
896 | dREQ; |
910 | dREQ; |
897 | |
911 | |
898 | req->type = EIO_GROUP; |
912 | req->type = EIO_GROUP; |
899 | |
913 | |
900 | eio_submit (req); |
914 | req_submit (req); |
901 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
915 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
902 | } |
916 | } |
903 | |
917 | |
904 | void |
918 | void |
905 | aio_nop (SV *callback=&PL_sv_undef) |
919 | aio_nop (SV *callback=&PL_sv_undef) |
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1004 | |
1018 | |
1005 | int |
1019 | int |
1006 | nthreads() |
1020 | nthreads() |
1007 | PROTOTYPE: |
1021 | PROTOTYPE: |
1008 | CODE: |
1022 | CODE: |
1009 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1023 | RETVAL = eio_nthreads (); |
1010 | RETVAL = started; |
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1011 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
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1012 | OUTPUT: |
1024 | OUTPUT: |
1013 | RETVAL |
1025 | RETVAL |
1014 | |
1026 | |
1015 | void _on_next_submit (SV *cb) |
1027 | void _on_next_submit (SV *cb) |
1016 | CODE: |
1028 | CODE: |