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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 |
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80 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
86 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
81 | |
87 | |
82 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
88 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
83 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
89 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
84 | |
90 | |
85 | #define EIO_COMMON \ |
91 | #define EIO_REQ_MEMBERS \ |
86 | SV *callback; \ |
92 | SV *callback; \ |
87 | SV *sv1, *sv2; \ |
93 | SV *sv1, *sv2; \ |
88 | STRLEN stroffset; \ |
94 | STRLEN stroffset; \ |
89 | SV *self |
95 | SV *self; |
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96 | |
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97 | #define EIO_NO_WRAPPERS 1 |
90 | |
98 | |
91 | #include "libeio/eio.h" |
99 | #include "libeio/eio.h" |
92 | |
100 | |
93 | static int req_invoke (eio_req *req); |
101 | static int req_invoke (eio_req *req); |
94 | #define EIO_FINISH(req) req_invoke (req) |
102 | #define EIO_FINISH(req) req_invoke (req) |
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105 | |
113 | |
106 | typedef eio_req *aio_req; |
114 | typedef eio_req *aio_req; |
107 | typedef eio_req *aio_req_ornot; |
115 | typedef eio_req *aio_req_ornot; |
108 | |
116 | |
109 | static SV *on_next_submit; |
117 | static SV *on_next_submit; |
110 | static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; |
118 | static int next_pri = EIO_PRI_DEFAULT; |
111 | static int max_outstanding; |
119 | static int max_outstanding; |
112 | |
120 | |
113 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
121 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
114 | |
122 | |
115 | static void req_destroy (aio_req req); |
123 | static void req_destroy (aio_req req); |
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410 | X_UNLOCK (reslock); |
418 | X_UNLOCK (reslock); |
411 | |
419 | |
412 | if (size) |
420 | if (size) |
413 | return; |
421 | return; |
414 | |
422 | |
415 | maybe_start_thread (); |
423 | etp_maybe_start_thread (); |
416 | |
424 | |
417 | FD_ZERO (&rfd); |
425 | FD_ZERO (&rfd); |
418 | FD_SET (respipe [0], &rfd); |
426 | FD_SET (respipe [0], &rfd); |
419 | |
427 | |
420 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
428 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
421 | } |
429 | } |
422 | } |
430 | } |
423 | |
431 | |
424 | static int poll_cb (void) |
432 | static int poll_cb (void) |
425 | { |
433 | { |
426 | int res; |
434 | for (;;) |
427 | |
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428 | do |
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429 | { |
435 | { |
430 | res = eio_poll (); |
436 | int res = eio_poll (); |
431 | |
437 | |
432 | if (res > 0) |
438 | if (res > 0) |
433 | croak (0); |
439 | croak (0); |
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440 | |
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441 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
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442 | return res; |
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443 | |
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444 | poll_wait (); |
434 | } |
445 | } |
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 | } |
446 | } |
439 | |
447 | |
440 | static void atfork_child (void) |
448 | static void atfork_child (void) |
441 | { |
449 | { |
442 | create_respipe (); |
450 | create_respipe (); |
443 | } |
451 | } |
444 | |
452 | |
445 | #define dREQ \ |
453 | #define dREQ \ |
446 | aio_req req; \ |
454 | aio_req req; \ |
447 | int req_pri = next_pri; \ |
455 | int req_pri = next_pri; \ |
448 | next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ |
456 | next_pri = EIO_PRI_DEFAULT; \ |
449 | \ |
457 | \ |
450 | if (SvOK (callback) && !SvROK (callback)) \ |
458 | if (SvOK (callback) && !SvROK (callback)) \ |
451 | croak ("callback must be undef or of reference type"); \ |
459 | croak ("callback must be undef or of reference type"); \ |
452 | \ |
460 | \ |
453 | Newz (0, req, 1, eio_req); \ |
461 | Newz (0, req, 1, eio_req); \ |
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474 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
482 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
475 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
483 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
476 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
484 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
477 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
485 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
478 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
486 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
479 | #ifdef _WIN32 |
487 | #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)); |
488 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
490 | #endif |
489 | #endif |
491 | |
490 | |
492 | create_respipe (); |
491 | create_respipe (); |
493 | |
492 | |
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917 | |
916 | |
918 | int |
917 | int |
919 | aioreq_pri (int pri = 0) |
918 | aioreq_pri (int pri = 0) |
920 | PROTOTYPE: ;$ |
919 | PROTOTYPE: ;$ |
921 | CODE: |
920 | CODE: |
922 | RETVAL = next_pri - EIO_PRI_BIAS; |
921 | RETVAL = next_pri; |
923 | if (items > 0) |
922 | if (items > 0) |
924 | { |
923 | { |
925 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
924 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
926 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
925 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
927 | next_pri = pri + EIO_PRI_BIAS; |
926 | next_pri = pri; |
928 | } |
927 | } |
929 | OUTPUT: |
928 | OUTPUT: |
930 | RETVAL |
929 | RETVAL |
931 | |
930 | |
932 | void |
931 | void |
933 | aioreq_nice (int nice = 0) |
932 | aioreq_nice (int nice = 0) |
934 | CODE: |
933 | CODE: |
935 | nice = next_pri - nice; |
934 | nice = next_pri - nice; |
936 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
935 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
937 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
936 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
938 | next_pri = nice + EIO_PRI_BIAS; |
937 | next_pri = nice; |
939 | |
938 | |
940 | void |
939 | void |
941 | flush () |
940 | flush () |
942 | PROTOTYPE: |
941 | PROTOTYPE: |
943 | CODE: |
942 | CODE: |
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1004 | |
1003 | |
1005 | int |
1004 | int |
1006 | nthreads() |
1005 | nthreads() |
1007 | PROTOTYPE: |
1006 | PROTOTYPE: |
1008 | CODE: |
1007 | CODE: |
1009 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1008 | RETVAL = eio_nthreads (); |
1010 | RETVAL = started; |
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1011 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
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1012 | OUTPUT: |
1009 | OUTPUT: |
1013 | RETVAL |
1010 | RETVAL |
1014 | |
1011 | |
1015 | void _on_next_submit (SV *cb) |
1012 | void _on_next_submit (SV *cb) |
1016 | CODE: |
1013 | CODE: |