| … | |
… | |
| 11 | #include <stddef.h> |
11 | #include <stddef.h> |
| 12 | #include <stdlib.h> |
12 | #include <stdlib.h> |
| 13 | #include <errno.h> |
13 | #include <errno.h> |
| 14 | #include <sys/types.h> |
14 | #include <sys/types.h> |
| 15 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
|
|
16 | #include <sys/statvfs.h> |
| 16 | #include <limits.h> |
17 | #include <limits.h> |
| 17 | #include <fcntl.h> |
18 | #include <fcntl.h> |
| 18 | #include <sched.h> |
19 | #include <sched.h> |
|
|
20 | |
|
|
21 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
|
|
22 | # include <sys/mman.h> |
|
|
23 | #endif |
| 19 | |
24 | |
| 20 | /* perl namespace pollution */ |
25 | /* perl namespace pollution */ |
| 21 | #undef VERSION |
26 | #undef VERSION |
| 22 | |
27 | |
| 23 | #ifdef _WIN32 |
28 | #ifdef _WIN32 |
| … | |
… | |
| 113 | STRLEN stroffset; \ |
118 | STRLEN stroffset; \ |
| 114 | SV *self; |
119 | SV *self; |
| 115 | |
120 | |
| 116 | #define EIO_NO_WRAPPERS 1 |
121 | #define EIO_NO_WRAPPERS 1 |
| 117 | |
122 | |
|
|
123 | #include "libeio/config.h" |
| 118 | #include "libeio/eio.h" |
124 | #include "libeio/eio.h" |
| 119 | |
125 | |
| 120 | #ifndef POSIX_FADV_NORMAL |
126 | #ifndef POSIX_FADV_NORMAL |
| 121 | # define POSIX_FADV_NORMAL 0 |
127 | # define POSIX_FADV_NORMAL 0 |
| 122 | # define NO_FADVISE 1 |
|
|
| 123 | #endif |
128 | #endif |
| 124 | |
|
|
| 125 | #ifndef POSIX_FADV_SEQUENTIAL |
129 | #ifndef POSIX_FADV_SEQUENTIAL |
| 126 | # define POSIX_FADV_SEQUENTIAL 0 |
130 | # define POSIX_FADV_SEQUENTIAL 0 |
| 127 | #endif |
131 | #endif |
| 128 | |
|
|
| 129 | #ifndef POSIX_FADV_RANDOM |
132 | #ifndef POSIX_FADV_RANDOM |
| 130 | # define POSIX_FADV_RANDOM 0 |
133 | # define POSIX_FADV_RANDOM 0 |
| 131 | #endif |
134 | #endif |
| 132 | |
|
|
| 133 | #ifndef POSIX_FADV_NOREUSE |
135 | #ifndef POSIX_FADV_NOREUSE |
| 134 | # define POSIX_FADV_NOREUSE 0 |
136 | # define POSIX_FADV_NOREUSE 0 |
| 135 | #endif |
137 | #endif |
| 136 | |
|
|
| 137 | #ifndef POSIX_FADV_WILLNEED |
138 | #ifndef POSIX_FADV_WILLNEED |
| 138 | # define POSIX_FADV_WILLNEED 0 |
139 | # define POSIX_FADV_WILLNEED 0 |
| 139 | #endif |
140 | #endif |
| 140 | |
|
|
| 141 | #ifndef POSIX_FADV_DONTNEED |
141 | #ifndef POSIX_FADV_DONTNEED |
| 142 | # define POSIX_FADV_DONTNEED 0 |
142 | # define POSIX_FADV_DONTNEED 0 |
|
|
143 | #endif |
|
|
144 | |
|
|
145 | #if !HAVE_POSIX_FADVISE |
|
|
146 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
|
|
147 | #endif |
|
|
148 | |
|
|
149 | #ifndef POSIX_MADV_NORMAL |
|
|
150 | # define POSIX_MADV_NORMAL 0 |
|
|
151 | #endif |
|
|
152 | #ifndef POSIX_MADV_SEQUENTIAL |
|
|
153 | # define POSIX_MADV_SEQUENTIAL 0 |
|
|
154 | #endif |
|
|
155 | #ifndef POSIX_MADV_RANDOM |
|
|
156 | # define POSIX_MADV_RANDOM 0 |
|
|
157 | #endif |
|
|
158 | #ifndef POSIX_MADV_WILLNEED |
|
|
159 | # define POSIX_MADV_WILLNEED 0 |
|
|
160 | #endif |
|
|
161 | #ifndef POSIX_MADV_DONTNEED |
|
|
162 | # define POSIX_MADV_DONTNEED 0 |
|
|
163 | #endif |
|
|
164 | |
|
|
165 | #if !HAVE_POSIX_MADVISE |
|
|
166 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
|
|
167 | #endif |
|
|
168 | |
|
|
169 | #ifndef PROT_NONE |
|
|
170 | # define PROT_NONE 0 |
|
|
171 | #endif |
|
|
172 | #ifndef PROT_READ |
|
|
173 | # define PROT_READ 0 |
|
|
174 | #endif |
|
|
175 | #ifndef PROT_WRITE |
|
|
176 | # define PROT_READ 0 |
|
|
177 | #endif |
|
|
178 | #ifndef PROT_EXEC |
|
|
179 | # define PROT_EXEC 0 |
|
|
180 | #endif |
|
|
181 | |
|
|
182 | #ifndef ST_NODEV |
|
|
183 | # define ST_NODEV 0 |
|
|
184 | #endif |
|
|
185 | #ifndef ST_NOEXEC |
|
|
186 | # define ST_NOEXEC 0 |
|
|
187 | #endif |
|
|
188 | #ifndef ST_SYNCHRONOUS |
|
|
189 | # define ST_SYNCHRONOUS 0 |
|
|
190 | #endif |
|
|
191 | #ifndef ST_MANDLOCK |
|
|
192 | # define ST_MANDLOCK 0 |
|
|
193 | #endif |
|
|
194 | #ifndef ST_WRITE |
|
|
195 | # define ST_WRITE 0 |
|
|
196 | #endif |
|
|
197 | #ifndef ST_APPEND |
|
|
198 | # define ST_APPEND 0 |
|
|
199 | #endif |
|
|
200 | #ifndef ST_IMMUTABLE |
|
|
201 | # define ST_IMMUTABLE 0 |
|
|
202 | #endif |
|
|
203 | #ifndef ST_NOATIME |
|
|
204 | # define ST_NOATIME 0 |
|
|
205 | #endif |
|
|
206 | #ifndef ST_NODIRATIME |
|
|
207 | # define ST_NODIRATIME 0 |
|
|
208 | #endif |
|
|
209 | #ifndef ST_RELATIME |
|
|
210 | # define ST_RELATIME 0 |
|
|
211 | #endif |
|
|
212 | |
|
|
213 | #ifndef S_IFIFO |
|
|
214 | # define S_IFIFO 0 |
|
|
215 | #endif |
|
|
216 | #ifndef S_IFCHR |
|
|
217 | # define S_IFCHR 0 |
|
|
218 | #endif |
|
|
219 | #ifndef S_IFBLK |
|
|
220 | # define S_IFBLK 0 |
|
|
221 | #endif |
|
|
222 | #ifndef S_IFLNK |
|
|
223 | # define S_IFLNK 0 |
|
|
224 | #endif |
|
|
225 | #ifndef S_IFREG |
|
|
226 | # define S_IFREG 0 |
|
|
227 | #endif |
|
|
228 | #ifndef S_IFDIR |
|
|
229 | # define S_IFDIR 0 |
|
|
230 | #endif |
|
|
231 | #ifndef S_IFWHT |
|
|
232 | # define S_IFWHT 0 |
|
|
233 | #endif |
|
|
234 | #ifndef S_IFSOCK |
|
|
235 | # define S_IFSOCK 0 |
|
|
236 | #endif |
|
|
237 | |
|
|
238 | #ifndef MAP_ANONYMOUS |
|
|
239 | # ifdef MAP_ANON |
|
|
240 | # define MAP_ANONYMOUS MAP_ANON |
|
|
241 | # else |
|
|
242 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
|
|
243 | # endif |
|
|
244 | #endif |
|
|
245 | #ifndef MAP_HUGETLB |
|
|
246 | # define MAP_HUGETLB 0 |
|
|
247 | #endif |
|
|
248 | #ifndef MAP_LOCKED |
|
|
249 | # define MAP_LOCKED 0 |
|
|
250 | #endif |
|
|
251 | #ifndef MAP_NORESERVE |
|
|
252 | # define MAP_NORESERVE 0 |
|
|
253 | #endif |
|
|
254 | #ifndef MAP_POPULATE |
|
|
255 | # define MAP_POPULATE 0 |
|
|
256 | #endif |
|
|
257 | #ifndef MAP_NONBLOCK |
|
|
258 | # define MAP_NONBLOCK 0 |
|
|
259 | #endif |
|
|
260 | |
|
|
261 | #ifndef makedev |
|
|
262 | # define makedev(maj,min) (((maj) << 8) | (min)) |
|
|
263 | #endif |
|
|
264 | #ifndef major |
|
|
265 | # define major(dev) ((dev) >> 8) |
|
|
266 | #endif |
|
|
267 | #ifndef minor |
|
|
268 | # define minor(dev) ((dev) & 0xff) |
|
|
269 | #endif |
|
|
270 | |
|
|
271 | #ifndef PAGESIZE |
|
|
272 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
| 143 | #endif |
273 | #endif |
| 144 | |
274 | |
| 145 | static int req_invoke (eio_req *req); |
275 | static int req_invoke (eio_req *req); |
| 146 | #define EIO_FINISH(req) req_invoke (req) |
276 | #define EIO_FINISH(req) req_invoke (req) |
| 147 | static void req_destroy (eio_req *grp); |
277 | static void req_destroy (eio_req *grp); |
| … | |
… | |
| 239 | } |
369 | } |
| 240 | } |
370 | } |
| 241 | |
371 | |
| 242 | static int req_invoke (eio_req *req) |
372 | static int req_invoke (eio_req *req) |
| 243 | { |
373 | { |
| 244 | dSP; |
|
|
| 245 | |
|
|
| 246 | if (req->flags & FLAG_SV2_RO_OFF) |
374 | if (req->flags & FLAG_SV2_RO_OFF) |
| 247 | SvREADONLY_off (req->sv2); |
375 | SvREADONLY_off (req->sv2); |
| 248 | |
376 | |
| 249 | if (!EIO_CANCELLED (req) && req->callback) |
377 | if (!EIO_CANCELLED (req) && req->callback) |
| 250 | { |
378 | { |
|
|
379 | dSP; |
|
|
380 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
381 | SV *sv_result; |
|
|
382 | |
| 251 | ENTER; |
383 | ENTER; |
| 252 | SAVETMPS; |
384 | SAVETMPS; |
| 253 | PUSHMARK (SP); |
385 | PUSHMARK (SP); |
| 254 | EXTEND (SP, 1); |
386 | EXTEND (SP, 1); |
|
|
387 | |
|
|
388 | /* do not recreate the result IV from scratch each time */ |
|
|
389 | if (expect_true (sv_result_cache)) |
|
|
390 | { |
|
|
391 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
392 | SvIV_set (sv_result, req->result); |
|
|
393 | SvIOK_only (sv_result); |
|
|
394 | } |
|
|
395 | else |
|
|
396 | { |
|
|
397 | sv_result = newSViv (req->result); |
|
|
398 | SvREADONLY_on (sv_result); |
|
|
399 | } |
| 255 | |
400 | |
| 256 | switch (req->type) |
401 | switch (req->type) |
| 257 | { |
402 | { |
| 258 | case EIO_READDIR: |
403 | case EIO_READDIR: |
| 259 | { |
404 | { |
| … | |
… | |
| 345 | |
490 | |
| 346 | PUSHs (fh); |
491 | PUSHs (fh); |
| 347 | } |
492 | } |
| 348 | break; |
493 | break; |
| 349 | |
494 | |
|
|
495 | case EIO_STATVFS: |
|
|
496 | case EIO_FSTATVFS: |
|
|
497 | { |
|
|
498 | SV *rv = &PL_sv_undef; |
|
|
499 | |
|
|
500 | if (req->result >= 0) |
|
|
501 | { |
|
|
502 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
503 | HV *hv = newHV (); |
|
|
504 | |
|
|
505 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
506 | |
|
|
507 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
508 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
509 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
510 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
511 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
512 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
513 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
514 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
515 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
516 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
517 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
518 | } |
|
|
519 | |
|
|
520 | PUSHs (rv); |
|
|
521 | } |
|
|
522 | |
|
|
523 | break; |
|
|
524 | |
| 350 | case EIO_GROUP: |
525 | case EIO_GROUP: |
| 351 | req->int1 = 2; /* mark group as finished */ |
526 | req->int1 = 2; /* mark group as finished */ |
| 352 | |
527 | |
| 353 | if (req->sv1) |
528 | if (req->sv1) |
| 354 | { |
529 | { |
| … | |
… | |
| 374 | case EIO_LSTAT: |
549 | case EIO_LSTAT: |
| 375 | case EIO_FSTAT: |
550 | case EIO_FSTAT: |
| 376 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
551 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
| 377 | PL_laststatval = req->result; |
552 | PL_laststatval = req->result; |
| 378 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
553 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
| 379 | PUSHs (sv_2mortal (newSViv (req->result))); |
554 | PUSHs (sv_result); |
| 380 | break; |
555 | break; |
| 381 | |
556 | |
| 382 | case EIO_READ: |
557 | case EIO_READ: |
| 383 | { |
558 | { |
| 384 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
559 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
| 385 | *SvEND (req->sv2) = 0; |
560 | *SvEND (req->sv2) = 0; |
| 386 | SvPOK_only (req->sv2); |
561 | SvPOK_only (req->sv2); |
| 387 | SvSETMAGIC (req->sv2); |
562 | SvSETMAGIC (req->sv2); |
| 388 | PUSHs (sv_2mortal (newSViv (req->result))); |
563 | PUSHs (sv_result); |
| 389 | } |
564 | } |
| 390 | break; |
565 | break; |
| 391 | |
566 | |
| 392 | case EIO_DUP2: |
567 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
| 393 | if (req->result > 0) |
568 | if (req->result > 0) |
| 394 | req->result = 0; |
569 | SvIV_set (sv_result, 0); |
| 395 | /* FALLTHROUGH */ |
570 | /* FALLTHROUGH */ |
| 396 | |
571 | |
| 397 | default: |
572 | default: |
| 398 | PUSHs (sv_2mortal (newSViv (req->result))); |
573 | PUSHs (sv_result); |
| 399 | break; |
574 | break; |
| 400 | } |
575 | } |
| 401 | |
576 | |
| 402 | errno = req->errorno; |
577 | errno = req->errorno; |
| 403 | |
578 | |
| 404 | PUTBACK; |
579 | PUTBACK; |
| 405 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
580 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
| 406 | SPAGAIN; |
581 | SPAGAIN; |
|
|
582 | |
|
|
583 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
584 | SvREFCNT_dec (sv_result); |
|
|
585 | else |
|
|
586 | sv_result_cache = sv_result; |
| 407 | |
587 | |
| 408 | FREETMPS; |
588 | FREETMPS; |
| 409 | LEAVE; |
589 | LEAVE; |
| 410 | |
590 | |
| 411 | PUTBACK; |
591 | PUTBACK; |
| … | |
… | |
| 486 | |
666 | |
| 487 | static void atfork_child (void) |
667 | static void atfork_child (void) |
| 488 | { |
668 | { |
| 489 | create_respipe (); |
669 | create_respipe (); |
| 490 | } |
670 | } |
|
|
671 | |
|
|
672 | /*****************************************************************************/ |
|
|
673 | |
|
|
674 | #if !_POSIX_MAPPED_FILES |
|
|
675 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
676 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
677 | #endif |
|
|
678 | |
|
|
679 | #if !_POSIX_MEMORY_PROTECTION |
|
|
680 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
681 | # define PROT_NONE 0 |
|
|
682 | # define PROT_WRITE 0 |
|
|
683 | # define MAP_PRIVATE 0 |
|
|
684 | # define MAP_SHARED 0 |
|
|
685 | # define MAP_FIXED 0 |
|
|
686 | #endif |
|
|
687 | |
|
|
688 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
689 | |
|
|
690 | static int |
|
|
691 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
692 | { |
|
|
693 | int old_errno = errno; |
|
|
694 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
695 | errno = old_errno; |
|
|
696 | |
|
|
697 | mg->mg_obj = 0; /* just in case */ |
|
|
698 | |
|
|
699 | SvREADONLY_off (sv); |
|
|
700 | |
|
|
701 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
702 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
703 | |
|
|
704 | SvCUR_set (sv, 0); |
|
|
705 | SvPVX (sv) = 0; |
|
|
706 | SvOK_off (sv); |
|
|
707 | |
|
|
708 | return 0; |
|
|
709 | } |
|
|
710 | |
|
|
711 | static MGVTBL mmap_vtbl = { |
|
|
712 | 0, 0, 0, 0, mmap_free |
|
|
713 | }; |
|
|
714 | |
|
|
715 | /*****************************************************************************/ |
| 491 | |
716 | |
| 492 | static SV * |
717 | static SV * |
| 493 | get_cb (SV *cb_sv) |
718 | get_cb (SV *cb_sv) |
| 494 | { |
719 | { |
| 495 | SvGETMAGIC (cb_sv); |
720 | SvGETMAGIC (cb_sv); |
| … | |
… | |
| 527 | { |
752 | { |
| 528 | static const struct { |
753 | static const struct { |
| 529 | const char *name; |
754 | const char *name; |
| 530 | IV iv; |
755 | IV iv; |
| 531 | } *civ, const_iv[] = { |
756 | } *civ, const_iv[] = { |
| 532 | # define const_iv(name, value) { # name, (IV) value }, |
757 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
758 | # define const_iv(name) { # name, (IV) name }, |
| 533 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
759 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
| 534 | const_iv (EXDEV , EXDEV) |
760 | const_iv (EXDEV) |
| 535 | const_iv (ENOSYS , ENOSYS) |
761 | const_iv (ENOSYS) |
| 536 | const_iv (O_RDONLY, O_RDONLY) |
762 | const_iv (O_RDONLY) |
| 537 | const_iv (O_WRONLY, O_WRONLY) |
763 | const_iv (O_WRONLY) |
|
|
764 | const_iv (O_RDWR) |
| 538 | const_iv (O_CREAT , O_CREAT) |
765 | const_iv (O_CREAT) |
| 539 | const_iv (O_TRUNC , O_TRUNC) |
766 | const_iv (O_TRUNC) |
| 540 | #ifndef _WIN32 |
767 | const_iv (O_EXCL) |
|
|
768 | const_iv (O_APPEND) |
|
|
769 | |
| 541 | const_iv (S_IFIFO , S_IFIFO) |
770 | const_iv (S_IFIFO) |
| 542 | #endif |
771 | const_iv (S_IFCHR) |
|
|
772 | const_iv (S_IFBLK) |
|
|
773 | const_iv (S_IFLNK) |
|
|
774 | const_iv (S_IFREG) |
|
|
775 | const_iv (S_IFDIR) |
|
|
776 | const_iv (S_IFWHT) |
|
|
777 | const_iv (S_IFSOCK) |
|
|
778 | const_iv (S_IFMT) |
|
|
779 | |
| 543 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
780 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
| 544 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
781 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
| 545 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
782 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
| 546 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
783 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
| 547 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
784 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
| 548 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
785 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
786 | |
|
|
787 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
788 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
789 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
790 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
791 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
792 | |
|
|
793 | const_iv (ST_RDONLY) |
|
|
794 | const_iv (ST_NOSUID) |
|
|
795 | const_iv (ST_NODEV) |
|
|
796 | const_iv (ST_NOEXEC) |
|
|
797 | const_iv (ST_SYNCHRONOUS) |
|
|
798 | const_iv (ST_MANDLOCK) |
|
|
799 | const_iv (ST_WRITE) |
|
|
800 | const_iv (ST_APPEND) |
|
|
801 | const_iv (ST_IMMUTABLE) |
|
|
802 | const_iv (ST_NOATIME) |
|
|
803 | const_iv (ST_NODIRATIME) |
|
|
804 | const_iv (ST_RELATIME) |
|
|
805 | |
|
|
806 | const_iv (PROT_NONE) |
|
|
807 | const_iv (PROT_EXEC) |
|
|
808 | const_iv (PROT_READ) |
|
|
809 | const_iv (PROT_WRITE) |
|
|
810 | |
|
|
811 | /*const_iv (MAP_FIXED)*/ |
|
|
812 | const_iv (MAP_PRIVATE) |
|
|
813 | const_iv (MAP_SHARED) |
|
|
814 | const_iv (MAP_ANONYMOUS) |
|
|
815 | |
|
|
816 | /* linuxish */ |
|
|
817 | const_iv (MAP_HUGETLB) |
|
|
818 | const_iv (MAP_LOCKED) |
|
|
819 | const_iv (MAP_NORESERVE) |
|
|
820 | const_iv (MAP_POPULATE) |
|
|
821 | const_iv (MAP_NONBLOCK) |
|
|
822 | |
|
|
823 | const_eio (MCL_FUTURE) |
|
|
824 | const_eio (MCL_CURRENT) |
|
|
825 | |
|
|
826 | const_eio (MS_ASYNC) |
|
|
827 | const_eio (MS_INVALIDATE) |
|
|
828 | const_eio (MS_SYNC) |
|
|
829 | |
|
|
830 | const_eio (MT_MODIFY) |
| 549 | |
831 | |
| 550 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
832 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
| 551 | const_eio (SYNC_FILE_RANGE_WRITE) |
833 | const_eio (SYNC_FILE_RANGE_WRITE) |
| 552 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
834 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
| 553 | |
835 | |
| … | |
… | |
| 572 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
854 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
| 573 | |
855 | |
| 574 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
856 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
| 575 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
857 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
| 576 | |
858 | |
|
|
859 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
860 | |
| 577 | create_respipe (); |
861 | create_respipe (); |
| 578 | |
862 | |
| 579 | if (eio_init (want_poll, done_poll) < 0) |
863 | if (eio_init (want_poll, done_poll) < 0) |
| 580 | croak ("IO::AIO: unable to initialise eio library"); |
864 | croak ("IO::AIO: unable to initialise eio library"); |
| 581 | |
865 | |
| … | |
… | |
| 619 | CODE: |
903 | CODE: |
| 620 | max_outstanding = maxreqs; |
904 | max_outstanding = maxreqs; |
| 621 | |
905 | |
| 622 | void |
906 | void |
| 623 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
907 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
| 624 | PROTOTYPE: $$$;$ |
|
|
| 625 | PPCODE: |
908 | PPCODE: |
| 626 | { |
909 | { |
| 627 | dREQ; |
910 | dREQ; |
| 628 | |
911 | |
| 629 | req->type = EIO_OPEN; |
912 | req->type = EIO_OPEN; |
| … | |
… | |
| 635 | REQ_SEND; |
918 | REQ_SEND; |
| 636 | } |
919 | } |
| 637 | |
920 | |
| 638 | void |
921 | void |
| 639 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
922 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
| 640 | PROTOTYPE: $;$ |
|
|
| 641 | ALIAS: |
923 | ALIAS: |
| 642 | aio_fsync = EIO_FSYNC |
924 | aio_fsync = EIO_FSYNC |
| 643 | aio_fdatasync = EIO_FDATASYNC |
925 | aio_fdatasync = EIO_FDATASYNC |
| 644 | PPCODE: |
926 | PPCODE: |
| 645 | { |
927 | { |
| … | |
… | |
| 653 | REQ_SEND (req); |
935 | REQ_SEND (req); |
| 654 | } |
936 | } |
| 655 | |
937 | |
| 656 | void |
938 | void |
| 657 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
939 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
| 658 | PROTOTYPE: $$$$;$ |
|
|
| 659 | PPCODE: |
940 | PPCODE: |
| 660 | { |
941 | { |
| 661 | int fd = s_fileno_croak (fh, 0); |
942 | int fd = s_fileno_croak (fh, 0); |
| 662 | dREQ; |
943 | dREQ; |
| 663 | |
944 | |
| … | |
… | |
| 671 | REQ_SEND (req); |
952 | REQ_SEND (req); |
| 672 | } |
953 | } |
| 673 | |
954 | |
| 674 | void |
955 | void |
| 675 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
956 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
| 676 | PROTOTYPE: $;$ |
|
|
| 677 | PPCODE: |
957 | PPCODE: |
| 678 | { |
958 | { |
| 679 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
959 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
| 680 | int fd = s_fileno_croak (fh, 0); |
960 | int fd = s_fileno_croak (fh, 0); |
| 681 | dREQ; |
961 | dREQ; |
| … | |
… | |
| 703 | void |
983 | void |
| 704 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
984 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
| 705 | ALIAS: |
985 | ALIAS: |
| 706 | aio_read = EIO_READ |
986 | aio_read = EIO_READ |
| 707 | aio_write = EIO_WRITE |
987 | aio_write = EIO_WRITE |
| 708 | PROTOTYPE: $$$$$;$ |
|
|
| 709 | PPCODE: |
988 | PPCODE: |
| 710 | { |
989 | { |
| 711 | STRLEN svlen; |
990 | STRLEN svlen; |
| 712 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
991 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
| 713 | char *svptr = SvPVbyte (data, svlen); |
992 | char *svptr = SvPVbyte (data, svlen); |
| … | |
… | |
| 754 | } |
1033 | } |
| 755 | } |
1034 | } |
| 756 | |
1035 | |
| 757 | void |
1036 | void |
| 758 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1037 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
| 759 | PROTOTYPE: $$;$ |
|
|
| 760 | PPCODE: |
1038 | PPCODE: |
| 761 | { |
1039 | { |
| 762 | SV *data; |
1040 | SV *data; |
| 763 | dREQ; |
1041 | dREQ; |
| 764 | |
1042 | |
| … | |
… | |
| 769 | REQ_SEND; |
1047 | REQ_SEND; |
| 770 | } |
1048 | } |
| 771 | |
1049 | |
| 772 | void |
1050 | void |
| 773 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1051 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
| 774 | PROTOTYPE: $$$$;$ |
|
|
| 775 | PPCODE: |
1052 | PPCODE: |
| 776 | { |
1053 | { |
| 777 | int ifd = s_fileno_croak (in_fh , 0); |
1054 | int ifd = s_fileno_croak (in_fh , 0); |
| 778 | int ofd = s_fileno_croak (out_fh, 1); |
1055 | int ofd = s_fileno_croak (out_fh, 1); |
| 779 | dREQ; |
1056 | dREQ; |
| … | |
… | |
| 789 | REQ_SEND; |
1066 | REQ_SEND; |
| 790 | } |
1067 | } |
| 791 | |
1068 | |
| 792 | void |
1069 | void |
| 793 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1070 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
| 794 | PROTOTYPE: $$$;$ |
|
|
| 795 | PPCODE: |
1071 | PPCODE: |
| 796 | { |
1072 | { |
| 797 | int fd = s_fileno_croak (fh, 0); |
1073 | int fd = s_fileno_croak (fh, 0); |
| 798 | dREQ; |
1074 | dREQ; |
| 799 | |
1075 | |
| … | |
… | |
| 807 | } |
1083 | } |
| 808 | |
1084 | |
| 809 | void |
1085 | void |
| 810 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1086 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
| 811 | ALIAS: |
1087 | ALIAS: |
| 812 | aio_stat = EIO_STAT |
1088 | aio_stat = EIO_STAT |
| 813 | aio_lstat = EIO_LSTAT |
1089 | aio_lstat = EIO_LSTAT |
|
|
1090 | aio_statvfs = EIO_STATVFS |
| 814 | PPCODE: |
1091 | PPCODE: |
| 815 | { |
1092 | { |
| 816 | dREQ; |
1093 | dREQ; |
| 817 | |
1094 | |
| 818 | req->sv1 = newSVsv (fh_or_path); |
1095 | req->sv1 = newSVsv (fh_or_path); |
| … | |
… | |
| 822 | req->type = ix; |
1099 | req->type = ix; |
| 823 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1100 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
| 824 | } |
1101 | } |
| 825 | else |
1102 | else |
| 826 | { |
1103 | { |
| 827 | req->type = EIO_FSTAT; |
1104 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
| 828 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1105 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
| 829 | } |
1106 | } |
| 830 | |
1107 | |
| 831 | REQ_SEND; |
1108 | REQ_SEND; |
| 832 | } |
1109 | } |
|
|
1110 | |
|
|
1111 | UV |
|
|
1112 | major (UV dev) |
|
|
1113 | ALIAS: |
|
|
1114 | minor = 1 |
|
|
1115 | CODE: |
|
|
1116 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1117 | OUTPUT: |
|
|
1118 | RETVAL |
|
|
1119 | |
|
|
1120 | UV |
|
|
1121 | makedev (UV maj, UV min) |
|
|
1122 | CODE: |
|
|
1123 | RETVAL = makedev (maj, min); |
|
|
1124 | OUTPUT: |
|
|
1125 | RETVAL |
| 833 | |
1126 | |
| 834 | void |
1127 | void |
| 835 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1128 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
| 836 | PPCODE: |
1129 | PPCODE: |
| 837 | { |
1130 | { |
| … | |
… | |
| 995 | |
1288 | |
| 996 | REQ_SEND; |
1289 | REQ_SEND; |
| 997 | } |
1290 | } |
| 998 | |
1291 | |
| 999 | void |
1292 | void |
|
|
1293 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1294 | ALIAS: |
|
|
1295 | aio_mtouch = EIO_MTOUCH |
|
|
1296 | aio_msync = EIO_MSYNC |
|
|
1297 | PPCODE: |
|
|
1298 | { |
|
|
1299 | STRLEN svlen; |
|
|
1300 | char *svptr = SvPVbyte (data, svlen); |
|
|
1301 | UV len = SvUV (length); |
|
|
1302 | |
|
|
1303 | if (offset < 0) |
|
|
1304 | offset += svlen; |
|
|
1305 | |
|
|
1306 | if (offset < 0 || offset > svlen) |
|
|
1307 | croak ("offset outside of scalar"); |
|
|
1308 | |
|
|
1309 | if (!SvOK (length) || len + offset > svlen) |
|
|
1310 | len = svlen - offset; |
|
|
1311 | |
|
|
1312 | { |
|
|
1313 | dREQ; |
|
|
1314 | |
|
|
1315 | req->type = ix; |
|
|
1316 | req->sv2 = SvREFCNT_inc (data); |
|
|
1317 | req->ptr2 = (char *)svptr + offset; |
|
|
1318 | req->size = len; |
|
|
1319 | req->int1 = flags; |
|
|
1320 | |
|
|
1321 | REQ_SEND; |
|
|
1322 | } |
|
|
1323 | } |
|
|
1324 | |
|
|
1325 | void |
|
|
1326 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1327 | PPCODE: |
|
|
1328 | { |
|
|
1329 | STRLEN svlen; |
|
|
1330 | char *svptr = SvPVbyte (data, svlen); |
|
|
1331 | UV len = SvUV (length); |
|
|
1332 | |
|
|
1333 | if (offset < 0) |
|
|
1334 | offset += svlen; |
|
|
1335 | |
|
|
1336 | if (offset < 0 || offset > svlen) |
|
|
1337 | croak ("offset outside of scalar"); |
|
|
1338 | |
|
|
1339 | if (!SvOK (length) || len + offset > svlen) |
|
|
1340 | len = svlen - offset; |
|
|
1341 | |
|
|
1342 | { |
|
|
1343 | dREQ; |
|
|
1344 | |
|
|
1345 | req->type = EIO_MLOCK; |
|
|
1346 | req->sv2 = SvREFCNT_inc (data); |
|
|
1347 | req->ptr2 = (char *)svptr + offset; |
|
|
1348 | req->size = len; |
|
|
1349 | |
|
|
1350 | REQ_SEND; |
|
|
1351 | } |
|
|
1352 | } |
|
|
1353 | |
|
|
1354 | void |
|
|
1355 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1356 | PPCODE: |
|
|
1357 | { |
|
|
1358 | dREQ; |
|
|
1359 | |
|
|
1360 | req->type = EIO_MLOCKALL; |
|
|
1361 | req->int1 = flags; |
|
|
1362 | |
|
|
1363 | REQ_SEND; |
|
|
1364 | } |
|
|
1365 | |
|
|
1366 | void |
| 1000 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1367 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
| 1001 | PPCODE: |
1368 | PPCODE: |
| 1002 | { |
1369 | { |
| 1003 | dREQ; |
1370 | dREQ; |
| 1004 | |
1371 | |
| … | |
… | |
| 1008 | REQ_SEND; |
1375 | REQ_SEND; |
| 1009 | } |
1376 | } |
| 1010 | |
1377 | |
| 1011 | void |
1378 | void |
| 1012 | aio_group (SV *callback=&PL_sv_undef) |
1379 | aio_group (SV *callback=&PL_sv_undef) |
| 1013 | PROTOTYPE: ;$ |
|
|
| 1014 | PPCODE: |
1380 | PPCODE: |
| 1015 | { |
1381 | { |
| 1016 | dREQ; |
1382 | dREQ; |
| 1017 | |
1383 | |
| 1018 | req->type = EIO_GROUP; |
1384 | req->type = EIO_GROUP; |
| … | |
… | |
| 1035 | REQ_SEND; |
1401 | REQ_SEND; |
| 1036 | } |
1402 | } |
| 1037 | |
1403 | |
| 1038 | int |
1404 | int |
| 1039 | aioreq_pri (int pri = 0) |
1405 | aioreq_pri (int pri = 0) |
| 1040 | PROTOTYPE: ;$ |
|
|
| 1041 | CODE: |
1406 | CODE: |
| 1042 | RETVAL = next_pri; |
1407 | RETVAL = next_pri; |
| 1043 | if (items > 0) |
1408 | if (items > 0) |
| 1044 | { |
1409 | { |
| 1045 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1410 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
| … | |
… | |
| 1057 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1422 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
| 1058 | next_pri = nice; |
1423 | next_pri = nice; |
| 1059 | |
1424 | |
| 1060 | void |
1425 | void |
| 1061 | flush () |
1426 | flush () |
| 1062 | PROTOTYPE: |
|
|
| 1063 | CODE: |
1427 | CODE: |
| 1064 | while (eio_nreqs ()) |
1428 | while (eio_nreqs ()) |
| 1065 | { |
1429 | { |
| 1066 | poll_wait (); |
1430 | poll_wait (); |
| 1067 | poll_cb (); |
1431 | poll_cb (); |
| 1068 | } |
1432 | } |
| 1069 | |
1433 | |
| 1070 | int |
1434 | int |
| 1071 | poll() |
1435 | poll () |
| 1072 | PROTOTYPE: |
|
|
| 1073 | CODE: |
1436 | CODE: |
| 1074 | poll_wait (); |
1437 | poll_wait (); |
| 1075 | RETVAL = poll_cb (); |
1438 | RETVAL = poll_cb (); |
| 1076 | OUTPUT: |
1439 | OUTPUT: |
| 1077 | RETVAL |
1440 | RETVAL |
| 1078 | |
1441 | |
| 1079 | int |
1442 | int |
| 1080 | poll_fileno() |
1443 | poll_fileno () |
| 1081 | PROTOTYPE: |
|
|
| 1082 | CODE: |
1444 | CODE: |
| 1083 | RETVAL = s_epipe_fd (&respipe); |
1445 | RETVAL = s_epipe_fd (&respipe); |
| 1084 | OUTPUT: |
1446 | OUTPUT: |
| 1085 | RETVAL |
1447 | RETVAL |
| 1086 | |
1448 | |
| 1087 | int |
1449 | int |
| 1088 | poll_cb(...) |
1450 | poll_cb (...) |
| 1089 | PROTOTYPE: |
1451 | PROTOTYPE: |
| 1090 | CODE: |
1452 | CODE: |
| 1091 | RETVAL = poll_cb (); |
1453 | RETVAL = poll_cb (); |
| 1092 | OUTPUT: |
1454 | OUTPUT: |
| 1093 | RETVAL |
1455 | RETVAL |
| 1094 | |
1456 | |
| 1095 | void |
1457 | void |
| 1096 | poll_wait() |
1458 | poll_wait () |
| 1097 | PROTOTYPE: |
|
|
| 1098 | CODE: |
1459 | CODE: |
| 1099 | poll_wait (); |
1460 | poll_wait (); |
| 1100 | |
1461 | |
| 1101 | int |
1462 | int |
| 1102 | nreqs() |
1463 | nreqs () |
| 1103 | PROTOTYPE: |
|
|
| 1104 | CODE: |
1464 | CODE: |
| 1105 | RETVAL = eio_nreqs (); |
1465 | RETVAL = eio_nreqs (); |
| 1106 | OUTPUT: |
1466 | OUTPUT: |
| 1107 | RETVAL |
1467 | RETVAL |
| 1108 | |
1468 | |
| 1109 | int |
1469 | int |
| 1110 | nready() |
1470 | nready () |
| 1111 | PROTOTYPE: |
|
|
| 1112 | CODE: |
1471 | CODE: |
| 1113 | RETVAL = eio_nready (); |
1472 | RETVAL = eio_nready (); |
| 1114 | OUTPUT: |
1473 | OUTPUT: |
| 1115 | RETVAL |
1474 | RETVAL |
| 1116 | |
1475 | |
| 1117 | int |
1476 | int |
| 1118 | npending() |
1477 | npending () |
| 1119 | PROTOTYPE: |
|
|
| 1120 | CODE: |
1478 | CODE: |
| 1121 | RETVAL = eio_npending (); |
1479 | RETVAL = eio_npending (); |
| 1122 | OUTPUT: |
1480 | OUTPUT: |
| 1123 | RETVAL |
1481 | RETVAL |
| 1124 | |
1482 | |
| 1125 | int |
1483 | int |
| 1126 | nthreads() |
1484 | nthreads () |
| 1127 | PROTOTYPE: |
|
|
| 1128 | CODE: |
1485 | CODE: |
| 1129 | RETVAL = eio_nthreads (); |
1486 | RETVAL = eio_nthreads (); |
| 1130 | OUTPUT: |
1487 | OUTPUT: |
| 1131 | RETVAL |
1488 | RETVAL |
| 1132 | |
1489 | |
| 1133 | int |
1490 | int |
| 1134 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1491 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
| 1135 | PROTOTYPE: $$$$ |
|
|
| 1136 | CODE: |
1492 | CODE: |
| 1137 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
| 1138 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1493 | RETVAL = posix_fadvise (fh, offset, length, advice); |
| 1139 | #else |
|
|
| 1140 | RETVAL = errno = ENOSYS; |
|
|
| 1141 | #endif |
|
|
| 1142 | OUTPUT: |
1494 | OUTPUT: |
| 1143 | RETVAL |
1495 | RETVAL |
| 1144 | |
1496 | |
| 1145 | ssize_t |
1497 | ssize_t |
| 1146 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1498 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
| 1147 | PROTOTYPE: $$$$ |
|
|
| 1148 | CODE: |
1499 | CODE: |
| 1149 | eio_sendfile_sync (ofh, ifh, offset, count); |
1500 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1501 | OUTPUT: |
|
|
1502 | RETVAL |
|
|
1503 | |
|
|
1504 | void |
|
|
1505 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1506 | PPCODE: |
|
|
1507 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1508 | { |
|
|
1509 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1510 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1511 | if (addr == (void *)-1) |
|
|
1512 | XSRETURN_NO; |
|
|
1513 | |
|
|
1514 | sv_force_normal (scalar); |
|
|
1515 | |
|
|
1516 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1517 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1518 | ->mg_obj = (SV *)length; |
|
|
1519 | |
|
|
1520 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1521 | |
|
|
1522 | if (!(prot & PROT_WRITE)) |
|
|
1523 | SvREADONLY_on (scalar); |
|
|
1524 | |
|
|
1525 | if (SvLEN (scalar)) |
|
|
1526 | Safefree (SvPVX (scalar)); |
|
|
1527 | |
|
|
1528 | SvPVX (scalar) = (char *)addr; |
|
|
1529 | SvCUR_set (scalar, length); |
|
|
1530 | SvLEN_set (scalar, 0); |
|
|
1531 | SvPOK_only (scalar); |
|
|
1532 | |
|
|
1533 | XSRETURN_YES; |
|
|
1534 | } |
|
|
1535 | |
|
|
1536 | void |
|
|
1537 | munmap (SV *scalar) |
|
|
1538 | CODE: |
|
|
1539 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1540 | |
|
|
1541 | int |
|
|
1542 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1543 | ALIAS: |
|
|
1544 | mprotect = 1 |
|
|
1545 | CODE: |
|
|
1546 | { |
|
|
1547 | STRLEN svlen; |
|
|
1548 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1549 | size_t len = SvUV (length); |
|
|
1550 | |
|
|
1551 | if (offset < 0) |
|
|
1552 | offset += svlen; |
|
|
1553 | |
|
|
1554 | if (offset < 0 || offset > svlen) |
|
|
1555 | croak ("offset outside of scalar"); |
|
|
1556 | |
|
|
1557 | if (!SvOK (length) || len + offset > svlen) |
|
|
1558 | len = svlen - offset; |
|
|
1559 | |
|
|
1560 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1561 | eio_page_align (&addr, &len); |
|
|
1562 | |
|
|
1563 | switch (ix) |
|
|
1564 | { |
|
|
1565 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1566 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1567 | } |
|
|
1568 | } |
|
|
1569 | OUTPUT: |
|
|
1570 | RETVAL |
|
|
1571 | |
|
|
1572 | int |
|
|
1573 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1574 | CODE: |
|
|
1575 | { |
|
|
1576 | STRLEN svlen; |
|
|
1577 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1578 | size_t len = SvUV (length); |
|
|
1579 | |
|
|
1580 | if (offset < 0) |
|
|
1581 | offset += svlen; |
|
|
1582 | |
|
|
1583 | if (offset < 0 || offset > svlen) |
|
|
1584 | croak ("offset outside of scalar"); |
|
|
1585 | |
|
|
1586 | if (!SvOK (length) || len + offset > svlen) |
|
|
1587 | len = svlen - offset; |
|
|
1588 | |
|
|
1589 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1590 | eio_page_align (&addr, &len); |
|
|
1591 | #if _POSIX_MEMLOCK_RANGE |
|
|
1592 | RETVAL = munlock (addr, len); |
|
|
1593 | #else |
|
|
1594 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1595 | #endif |
|
|
1596 | } |
|
|
1597 | OUTPUT: |
|
|
1598 | RETVAL |
|
|
1599 | |
|
|
1600 | int |
|
|
1601 | munlockall () |
|
|
1602 | CODE: |
|
|
1603 | #if _POSIX_MEMLOCK |
|
|
1604 | munlockall (); |
|
|
1605 | #else |
|
|
1606 | RETVAL = -1; |
|
|
1607 | errno = ENOSYS; |
|
|
1608 | #endif |
|
|
1609 | OUTPUT: |
|
|
1610 | RETVAL |
| 1150 | |
1611 | |
| 1151 | void _on_next_submit (SV *cb) |
1612 | void _on_next_submit (SV *cb) |
| 1152 | CODE: |
1613 | CODE: |
| 1153 | SvREFCNT_dec (on_next_submit); |
1614 | SvREFCNT_dec (on_next_submit); |
| 1154 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1615 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
