… | |
… | |
15 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
16 | #include <sys/statvfs.h> |
16 | #include <sys/statvfs.h> |
17 | #include <limits.h> |
17 | #include <limits.h> |
18 | #include <fcntl.h> |
18 | #include <fcntl.h> |
19 | #include <sched.h> |
19 | #include <sched.h> |
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|
20 | |
|
|
21 | #if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES |
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|
22 | # include <sys/mman.h> |
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|
23 | #endif |
20 | |
24 | |
21 | /* perl namespace pollution */ |
25 | /* perl namespace pollution */ |
22 | #undef VERSION |
26 | #undef VERSION |
23 | |
27 | |
24 | #ifdef _WIN32 |
28 | #ifdef _WIN32 |
… | |
… | |
120 | |
124 | |
121 | #ifndef POSIX_FADV_NORMAL |
125 | #ifndef POSIX_FADV_NORMAL |
122 | # define POSIX_FADV_NORMAL 0 |
126 | # define POSIX_FADV_NORMAL 0 |
123 | # define NO_FADVISE 1 |
127 | # define NO_FADVISE 1 |
124 | #endif |
128 | #endif |
125 | |
|
|
126 | #ifndef POSIX_FADV_SEQUENTIAL |
129 | #ifndef POSIX_FADV_SEQUENTIAL |
127 | # define POSIX_FADV_SEQUENTIAL 0 |
130 | # define POSIX_FADV_SEQUENTIAL 0 |
128 | #endif |
131 | #endif |
129 | |
|
|
130 | #ifndef POSIX_FADV_RANDOM |
132 | #ifndef POSIX_FADV_RANDOM |
131 | # define POSIX_FADV_RANDOM 0 |
133 | # define POSIX_FADV_RANDOM 0 |
132 | #endif |
134 | #endif |
133 | |
|
|
134 | #ifndef POSIX_FADV_NOREUSE |
135 | #ifndef POSIX_FADV_NOREUSE |
135 | # define POSIX_FADV_NOREUSE 0 |
136 | # define POSIX_FADV_NOREUSE 0 |
136 | #endif |
137 | #endif |
137 | |
|
|
138 | #ifndef POSIX_FADV_WILLNEED |
138 | #ifndef POSIX_FADV_WILLNEED |
139 | # define POSIX_FADV_WILLNEED 0 |
139 | # define POSIX_FADV_WILLNEED 0 |
140 | #endif |
140 | #endif |
141 | |
|
|
142 | #ifndef POSIX_FADV_DONTNEED |
141 | #ifndef POSIX_FADV_DONTNEED |
143 | # define POSIX_FADV_DONTNEED 0 |
142 | # define POSIX_FADV_DONTNEED 0 |
144 | #endif |
143 | #endif |
145 | |
144 | |
|
|
145 | #ifndef POSIX_MADV_NORMAL |
|
|
146 | # define POSIX_MADV_NORMAL 0 |
|
|
147 | # define NO_MADVISE 1 |
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|
148 | #endif |
|
|
149 | #ifndef POSIX_MADV_SEQUENTIAL |
|
|
150 | # define POSIX_MADV_SEQUENTIAL 0 |
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|
151 | #endif |
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|
152 | #ifndef POSIX_MADV_RANDOM |
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|
153 | # define POSIX_MADV_RANDOM 0 |
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|
154 | #endif |
|
|
155 | #ifndef POSIX_MADV_WILLNEED |
|
|
156 | # define POSIX_MADV_WILLNEED 0 |
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157 | #endif |
|
|
158 | #ifndef POSIX_MADV_DONTNEED |
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159 | # define POSIX_MADV_DONTNEED 0 |
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160 | #endif |
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161 | |
146 | #ifndef ST_NODEV |
162 | #ifndef ST_NODEV |
147 | # define ST_NODEV 0 |
163 | # define ST_NODEV 0 |
148 | #endif |
164 | #endif |
149 | |
|
|
150 | #ifndef ST_NOEXEC |
165 | #ifndef ST_NOEXEC |
151 | # define ST_NOEXEC 0 |
166 | # define ST_NOEXEC 0 |
152 | #endif |
167 | #endif |
153 | |
|
|
154 | #ifndef ST_SYNCHRONOUS |
168 | #ifndef ST_SYNCHRONOUS |
155 | # define ST_SYNCHRONOUS 0 |
169 | # define ST_SYNCHRONOUS 0 |
156 | #endif |
170 | #endif |
157 | |
|
|
158 | #ifndef ST_MANDLOCK |
171 | #ifndef ST_MANDLOCK |
159 | # define ST_MANDLOCK 0 |
172 | # define ST_MANDLOCK 0 |
160 | #endif |
173 | #endif |
161 | |
|
|
162 | #ifndef ST_WRITE |
174 | #ifndef ST_WRITE |
163 | # define ST_WRITE 0 |
175 | # define ST_WRITE 0 |
164 | #endif |
176 | #endif |
165 | |
|
|
166 | #ifndef ST_APPEND |
177 | #ifndef ST_APPEND |
167 | # define ST_APPEND 0 |
178 | # define ST_APPEND 0 |
168 | #endif |
179 | #endif |
169 | |
|
|
170 | #ifndef ST_IMMUTABLE |
180 | #ifndef ST_IMMUTABLE |
171 | # define ST_IMMUTABLE 0 |
181 | # define ST_IMMUTABLE 0 |
172 | #endif |
182 | #endif |
173 | |
|
|
174 | #ifndef ST_NOATIME |
183 | #ifndef ST_NOATIME |
175 | # define ST_NOATIME 0 |
184 | # define ST_NOATIME 0 |
176 | #endif |
185 | #endif |
177 | |
|
|
178 | #ifndef ST_NODIRATIME |
186 | #ifndef ST_NODIRATIME |
179 | # define ST_NODIRATIME 0 |
187 | # define ST_NODIRATIME 0 |
180 | #endif |
188 | #endif |
181 | |
|
|
182 | #ifndef ST_RELATIME |
189 | #ifndef ST_RELATIME |
183 | # define ST_RELATIME 0 |
190 | # define ST_RELATIME 0 |
|
|
191 | #endif |
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192 | |
|
|
193 | #ifndef MCL_CURRENT |
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|
194 | # define MCL_CURRENT 0 |
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|
195 | #endif |
|
|
196 | #ifndef MCL_FUTURE |
|
|
197 | # define MCL_FUTURE 0 |
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198 | #endif |
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199 | |
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|
200 | #ifndef MAP_ANONYMOUS |
|
|
201 | # ifdef MAP_ANON |
|
|
202 | # define MAP_ANONYMOUS MAP_ANON |
|
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203 | # else |
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|
204 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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205 | # endif |
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206 | #endif |
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|
207 | #ifndef MAP_HUGETLB |
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208 | # define MAP_HUGETLB 0 |
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209 | #endif |
|
|
210 | #ifndef MAP_LOCKED |
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211 | # define MAP_LOCKED 0 |
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212 | #endif |
|
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213 | #ifndef MAP_NORESERVE |
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214 | # define MAP_NORESERVE 0 |
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215 | #endif |
|
|
216 | #ifndef MAP_POPULATE |
|
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217 | # define MAP_POPULATE 0 |
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218 | #endif |
|
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219 | #ifndef MAP_NONBLOCK |
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|
220 | # define MAP_NONBLOCK 0 |
|
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221 | #endif |
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222 | |
|
|
223 | #ifndef PAGESIZE |
|
|
224 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
184 | #endif |
225 | #endif |
185 | |
226 | |
186 | static int req_invoke (eio_req *req); |
227 | static int req_invoke (eio_req *req); |
187 | #define EIO_FINISH(req) req_invoke (req) |
228 | #define EIO_FINISH(req) req_invoke (req) |
188 | static void req_destroy (eio_req *grp); |
229 | static void req_destroy (eio_req *grp); |
… | |
… | |
280 | } |
321 | } |
281 | } |
322 | } |
282 | |
323 | |
283 | static int req_invoke (eio_req *req) |
324 | static int req_invoke (eio_req *req) |
284 | { |
325 | { |
285 | dSP; |
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|
286 | |
|
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287 | if (req->flags & FLAG_SV2_RO_OFF) |
326 | if (req->flags & FLAG_SV2_RO_OFF) |
288 | SvREADONLY_off (req->sv2); |
327 | SvREADONLY_off (req->sv2); |
289 | |
328 | |
290 | if (!EIO_CANCELLED (req) && req->callback) |
329 | if (!EIO_CANCELLED (req) && req->callback) |
291 | { |
330 | { |
|
|
331 | dSP; |
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|
332 | static SV *sv_result_cache; /* caches the result integer SV */ |
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|
333 | SV *sv_result; |
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334 | |
292 | ENTER; |
335 | ENTER; |
293 | SAVETMPS; |
336 | SAVETMPS; |
294 | PUSHMARK (SP); |
337 | PUSHMARK (SP); |
295 | EXTEND (SP, 1); |
338 | EXTEND (SP, 1); |
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339 | |
|
|
340 | /* do not recreate the result IV from scratch each time */ |
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341 | if (expect_true (sv_result_cache)) |
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342 | { |
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343 | sv_result = sv_result_cache; sv_result_cache = 0; |
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344 | SvIV_set (sv_result, req->result); |
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345 | } |
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346 | else |
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347 | { |
|
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348 | sv_result = newSViv (req->result); |
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349 | SvREADONLY_on (sv_result); |
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|
350 | } |
296 | |
351 | |
297 | switch (req->type) |
352 | switch (req->type) |
298 | { |
353 | { |
299 | case EIO_READDIR: |
354 | case EIO_READDIR: |
300 | { |
355 | { |
… | |
… | |
445 | case EIO_LSTAT: |
500 | case EIO_LSTAT: |
446 | case EIO_FSTAT: |
501 | case EIO_FSTAT: |
447 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
502 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
448 | PL_laststatval = req->result; |
503 | PL_laststatval = req->result; |
449 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
504 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
450 | PUSHs (sv_2mortal (newSViv (req->result))); |
505 | PUSHs (sv_result); |
451 | break; |
506 | break; |
452 | |
507 | |
453 | case EIO_READ: |
508 | case EIO_READ: |
454 | { |
509 | { |
455 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
510 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
456 | *SvEND (req->sv2) = 0; |
511 | *SvEND (req->sv2) = 0; |
457 | SvPOK_only (req->sv2); |
512 | SvPOK_only (req->sv2); |
458 | SvSETMAGIC (req->sv2); |
513 | SvSETMAGIC (req->sv2); |
459 | PUSHs (sv_2mortal (newSViv (req->result))); |
514 | PUSHs (sv_result); |
460 | } |
515 | } |
461 | break; |
516 | break; |
462 | |
517 | |
463 | case EIO_DUP2: |
518 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
464 | if (req->result > 0) |
519 | if (req->result > 0) |
465 | req->result = 0; |
520 | SvIV_set (sv_result, 0); |
466 | /* FALLTHROUGH */ |
521 | /* FALLTHROUGH */ |
467 | |
522 | |
468 | default: |
523 | default: |
469 | PUSHs (sv_2mortal (newSViv (req->result))); |
524 | PUSHs (sv_result); |
470 | break; |
525 | break; |
471 | } |
526 | } |
472 | |
527 | |
473 | errno = req->errorno; |
528 | errno = req->errorno; |
474 | |
529 | |
475 | PUTBACK; |
530 | PUTBACK; |
476 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
531 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
477 | SPAGAIN; |
532 | SPAGAIN; |
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|
533 | |
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|
534 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
535 | SvREFCNT_dec (sv_result); |
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|
536 | else |
|
|
537 | sv_result_cache = sv_result; |
478 | |
538 | |
479 | FREETMPS; |
539 | FREETMPS; |
480 | LEAVE; |
540 | LEAVE; |
481 | |
541 | |
482 | PUTBACK; |
542 | PUTBACK; |
… | |
… | |
557 | |
617 | |
558 | static void atfork_child (void) |
618 | static void atfork_child (void) |
559 | { |
619 | { |
560 | create_respipe (); |
620 | create_respipe (); |
561 | } |
621 | } |
|
|
622 | |
|
|
623 | /*****************************************************************************/ |
|
|
624 | |
|
|
625 | #if !_POSIX_MAPPED_FILES |
|
|
626 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
627 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
628 | #endif |
|
|
629 | |
|
|
630 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
631 | |
|
|
632 | static int |
|
|
633 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
634 | { |
|
|
635 | int old_errno = errno; |
|
|
636 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
637 | errno = old_errno; |
|
|
638 | |
|
|
639 | mg->mg_obj = 0; /* just in case */ |
|
|
640 | |
|
|
641 | SvREADONLY_off (sv); |
|
|
642 | |
|
|
643 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
644 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
645 | |
|
|
646 | SvCUR_set (sv, 0); |
|
|
647 | SvPVX (sv) = 0; |
|
|
648 | SvOK_off (sv); |
|
|
649 | |
|
|
650 | return 0; |
|
|
651 | } |
|
|
652 | |
|
|
653 | static MGVTBL mmap_vtbl = { |
|
|
654 | 0, 0, 0, 0, mmap_free |
|
|
655 | }; |
|
|
656 | |
|
|
657 | /*****************************************************************************/ |
562 | |
658 | |
563 | static SV * |
659 | static SV * |
564 | get_cb (SV *cb_sv) |
660 | get_cb (SV *cb_sv) |
565 | { |
661 | { |
566 | SvGETMAGIC (cb_sv); |
662 | SvGETMAGIC (cb_sv); |
… | |
… | |
598 | { |
694 | { |
599 | static const struct { |
695 | static const struct { |
600 | const char *name; |
696 | const char *name; |
601 | IV iv; |
697 | IV iv; |
602 | } *civ, const_iv[] = { |
698 | } *civ, const_iv[] = { |
603 | # define const_iv(name, value) { # name, (IV) value }, |
699 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
700 | # define const_iv(name) { # name, (IV) name }, |
604 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
701 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
605 | const_iv (EXDEV , EXDEV) |
702 | const_iv (EXDEV) |
606 | const_iv (ENOSYS , ENOSYS) |
703 | const_iv (ENOSYS) |
607 | const_iv (O_RDONLY, O_RDONLY) |
704 | const_iv (O_RDONLY) |
608 | const_iv (O_WRONLY, O_WRONLY) |
705 | const_iv (O_WRONLY) |
|
|
706 | const_iv (O_RDWR) |
609 | const_iv (O_CREAT , O_CREAT) |
707 | const_iv (O_CREAT) |
610 | const_iv (O_TRUNC , O_TRUNC) |
708 | const_iv (O_TRUNC) |
|
|
709 | const_iv (O_EXCL) |
|
|
710 | const_iv (O_APPEND) |
611 | #ifndef _WIN32 |
711 | #ifndef _WIN32 |
612 | const_iv (S_IFIFO , S_IFIFO) |
712 | const_iv (S_IFIFO) |
613 | #endif |
713 | #endif |
614 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
714 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
615 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
715 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
616 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
716 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
617 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
717 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
618 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
718 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
619 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
719 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
620 | |
720 | |
621 | const_iv (ST_RDONLY , ST_RDONLY) |
721 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
622 | const_iv (ST_NOSUID , ST_NOSUID) |
722 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
623 | const_iv (ST_NODEV , ST_NODEV) |
723 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
624 | const_iv (ST_NOEXEC , ST_NOEXEC) |
724 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
725 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
726 | |
|
|
727 | const_iv (ST_RDONLY) |
|
|
728 | const_iv (ST_NOSUID) |
|
|
729 | const_iv (ST_NODEV) |
|
|
730 | const_iv (ST_NOEXEC) |
625 | const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) |
731 | const_iv (ST_SYNCHRONOUS) |
626 | const_iv (ST_MANDLOCK , ST_MANDLOCK) |
732 | const_iv (ST_MANDLOCK) |
627 | const_iv (ST_WRITE , ST_WRITE) |
733 | const_iv (ST_WRITE) |
628 | const_iv (ST_APPEND , ST_APPEND) |
734 | const_iv (ST_APPEND) |
629 | const_iv (ST_IMMUTABLE , ST_IMMUTABLE) |
735 | const_iv (ST_IMMUTABLE) |
630 | const_iv (ST_NOATIME , ST_NOATIME) |
736 | const_iv (ST_NOATIME) |
631 | const_iv (ST_NODIRATIME , ST_NODIRATIME) |
737 | const_iv (ST_NODIRATIME) |
632 | const_iv (ST_RELATIME , ST_RELATIME) |
738 | const_iv (ST_RELATIME) |
|
|
739 | |
|
|
740 | const_iv (PROT_EXEC) |
|
|
741 | const_iv (PROT_NONE) |
|
|
742 | const_iv (PROT_READ) |
|
|
743 | const_iv (PROT_WRITE) |
|
|
744 | |
|
|
745 | /*const_iv (MAP_FIXED)*/ |
|
|
746 | const_iv (MAP_PRIVATE) |
|
|
747 | const_iv (MAP_SHARED) |
|
|
748 | const_iv (MAP_ANONYMOUS) |
|
|
749 | |
|
|
750 | /* linuxish */ |
|
|
751 | const_iv (MAP_HUGETLB) |
|
|
752 | const_iv (MAP_LOCKED) |
|
|
753 | const_iv (MAP_NORESERVE) |
|
|
754 | const_iv (MAP_POPULATE) |
|
|
755 | const_iv (MAP_NONBLOCK) |
|
|
756 | |
|
|
757 | const_iv (MCL_FUTURE) |
|
|
758 | const_iv (MCL_CURRENT) |
633 | |
759 | |
634 | const_eio (MS_ASYNC) |
760 | const_eio (MS_ASYNC) |
635 | const_eio (MS_INVALIDATE) |
761 | const_eio (MS_INVALIDATE) |
636 | const_eio (MS_SYNC) |
762 | const_eio (MS_SYNC) |
637 | |
763 | |
… | |
… | |
661 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
787 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
662 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
788 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
663 | |
789 | |
664 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
790 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
665 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
791 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
792 | |
|
|
793 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
666 | |
794 | |
667 | create_respipe (); |
795 | create_respipe (); |
668 | |
796 | |
669 | if (eio_init (want_poll, done_poll) < 0) |
797 | if (eio_init (want_poll, done_poll) < 0) |
670 | croak ("IO::AIO: unable to initialise eio library"); |
798 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
1260 | PROTOTYPE: $$$$ |
1388 | PROTOTYPE: $$$$ |
1261 | CODE: |
1389 | CODE: |
1262 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1390 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1263 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1391 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1264 | #else |
1392 | #else |
1265 | RETVAL = errno = ENOSYS; |
1393 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
1266 | #endif |
1394 | #endif |
1267 | OUTPUT: |
1395 | OUTPUT: |
1268 | RETVAL |
1396 | RETVAL |
1269 | |
1397 | |
1270 | ssize_t |
1398 | ssize_t |
… | |
… | |
1273 | CODE: |
1401 | CODE: |
1274 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1402 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1275 | OUTPUT: |
1403 | OUTPUT: |
1276 | RETVAL |
1404 | RETVAL |
1277 | |
1405 | |
|
|
1406 | void |
|
|
1407 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1408 | PROTOTYPE: $$$$$;$ |
|
|
1409 | PPCODE: |
|
|
1410 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1411 | { |
|
|
1412 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1413 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1414 | if (addr == (void *)-1) |
|
|
1415 | XSRETURN_NO; |
|
|
1416 | |
|
|
1417 | sv_force_normal (scalar); |
|
|
1418 | |
|
|
1419 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1420 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1421 | ->mg_obj = (SV *)length; |
|
|
1422 | |
|
|
1423 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1424 | |
|
|
1425 | if (!(prot & PROT_WRITE)) |
|
|
1426 | SvREADONLY_on (scalar); |
|
|
1427 | |
|
|
1428 | if (SvLEN (scalar)) |
|
|
1429 | Safefree (SvPVX (scalar)); |
|
|
1430 | |
|
|
1431 | SvPVX (scalar) = (char *)addr; |
|
|
1432 | SvCUR_set (scalar, length); |
|
|
1433 | SvLEN_set (scalar, 0); |
|
|
1434 | SvPOK_only (scalar); |
|
|
1435 | |
|
|
1436 | XSRETURN_YES; |
|
|
1437 | } |
|
|
1438 | |
|
|
1439 | void |
|
|
1440 | munmap (SV *scalar) |
|
|
1441 | PROTOTYPE: $ |
|
|
1442 | CODE: |
|
|
1443 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1444 | |
|
|
1445 | int |
|
|
1446 | madvise (SV *scalar, off_t offset, off_t length, IV advice) |
|
|
1447 | PROTOTYPE: $$$$ |
|
|
1448 | CODE: |
|
|
1449 | { |
|
|
1450 | char *addr = SvPV_nolen (scalar) + offset; |
|
|
1451 | |
|
|
1452 | if (!SvOK (ST (2))) |
|
|
1453 | length = SvCUR (scalar) - offset; |
|
|
1454 | |
|
|
1455 | if (addr >= SvEND (scalar) || length <= 0) |
|
|
1456 | XSRETURN_EMPTY; |
|
|
1457 | |
|
|
1458 | #if _XOPEN_SOURCE >= 600 && !NO_MADVISE |
|
|
1459 | RETVAL = posix_madvise (addr, length, advice); |
|
|
1460 | #else |
|
|
1461 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
|
|
1462 | #endif |
|
|
1463 | } |
|
|
1464 | OUTPUT: |
|
|
1465 | RETVAL |
|
|
1466 | |
|
|
1467 | int |
|
|
1468 | mlockall (int flags) |
|
|
1469 | PROTOTYPE: $ |
|
|
1470 | CODE: |
|
|
1471 | #if _POSIX_MEMLOCK |
|
|
1472 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1473 | extern int mallopt (int, int); |
|
|
1474 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1475 | #endif |
|
|
1476 | mlockall (flags); |
|
|
1477 | #else |
|
|
1478 | RETVAL = -1; |
|
|
1479 | errno = ENOSYS; |
|
|
1480 | #endif |
|
|
1481 | OUTPUT: |
|
|
1482 | RETVAL |
|
|
1483 | |
|
|
1484 | int |
|
|
1485 | munlockall () |
|
|
1486 | PROTOTYPE: |
|
|
1487 | CODE: |
|
|
1488 | #if _POSIX_MEMLOCK |
|
|
1489 | munlockall (); |
|
|
1490 | #else |
|
|
1491 | RETVAL = -1; |
|
|
1492 | errno = ENOSYS; |
|
|
1493 | #endif |
|
|
1494 | OUTPUT: |
|
|
1495 | RETVAL |
|
|
1496 | |
1278 | void _on_next_submit (SV *cb) |
1497 | void _on_next_submit (SV *cb) |
1279 | CODE: |
1498 | CODE: |
1280 | SvREFCNT_dec (on_next_submit); |
1499 | SvREFCNT_dec (on_next_submit); |
1281 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1500 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1282 | |
1501 | |