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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs.
Revision 1.191 by root, Tue Jul 19 05:00:11 2011 UTC

… …
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <limits.h> 16#include <limits.h>
17#include <fcntl.h> 17#include <fcntl.h>
18#include <sched.h> 18#include <sched.h>
19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
23
20/* perl namespace pollution */ 24/* perl namespace pollution */
21#undef VERSION 25#undef VERSION
22
23#ifdef _WIN32
24
25# define EIO_STRUCT_DIRENT Direntry_t
26# undef malloc
27# undef free
28
29// perl overrides all those nice win32 functions
30# undef open
31# undef read
32# undef write
33# undef send
34# undef recv
35# undef stat
36# undef fstat
37# define lstat stat
38# undef truncate
39# undef ftruncate
40# undef open
41# undef close
42# undef unlink
43# undef rmdir
44# undef rename
45# undef lseek
46
47# define chown(a,b,c) (errno = ENOSYS, -1)
48# define fchown(a,b,c) (errno = ENOSYS, -1)
49# define fchmod(a,b) (errno = ENOSYS, -1)
50# define symlink(a,b) (errno = ENOSYS, -1)
51# define readlink(a,b,c) (errno = ENOSYS, -1)
52# define mknod(a,b,c) (errno = ENOSYS, -1)
53# define truncate(a,b) (errno = ENOSYS, -1)
54# define ftruncate(fd,o) chsize ((fd), (o))
55# define fsync(fd) _commit (fd)
56# define opendir(fd) (errno = ENOSYS, 0)
57# define readdir(fd) (errno = ENOSYS, -1)
58# define closedir(fd) (errno = ENOSYS, -1)
59# define mkdir(a,b) mkdir (a)
60
61#else
62
63# include <sys/time.h>
64# include <sys/select.h>
65# include <unistd.h>
66# include <utime.h>
67# include <signal.h>
68# define EIO_STRUCT_DIRENT struct dirent
69
70#endif
71 26
72/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
73/* with thread-unsafe versions, imagine that :( */ 28/* with thread-unsafe versions, imagine that :( */
74#undef readdir 29#undef readdir
75#undef opendir 30#undef opendir
76#undef closedir 31#undef closedir
32
33#ifdef _WIN32
34
35 // perl overrides all those nice libc functions
36
37 #undef malloc
38 #undef free
39 #undef open
40 #undef read
41 #undef write
42 #undef send
43 #undef recv
44 #undef stat
45 #undef lstat
46 #undef fstat
47 #undef truncate
48 #undef ftruncate
49 #undef open
50 #undef link
51 #undef close
52 #undef unlink
53 #undef mkdir
54 #undef rmdir
55 #undef rename
56 #undef lseek
57 #undef opendir
58 #undef readdir
59 #undef closedir
60 #undef chmod
61 #undef fchmod
62 #undef dup
63 #undef dup2
64 #undef abort
65 #undef pipe
66
67#else
68
69 #include <sys/time.h>
70 #include <sys/select.h>
71 #include <unistd.h>
72 #include <utime.h>
73 #include <signal.h>
74
75#endif
77 76
78#define EIO_STRUCT_STAT Stat_t 77#define EIO_STRUCT_STAT Stat_t
79 78
80/* use NV for 32 bit perls as it allows larger offsets */ 79/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8 80#if IVSIZE >= 8
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 98#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 99#define expect_true(expr) expect ((expr) != 0, 1)
101 100
102/*****************************************************************************/ 101/*****************************************************************************/
103 102
104static HV *stash;
105typedef SV SV8; /* byte-sv, used for argument-checking */ 103typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 104typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 105typedef int aio_wfd; /* write file descriptor */
108 106
109#define AIO_REQ_KLASS "IO::AIO::REQ" 107static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 108
112#define EIO_REQ_MEMBERS \ 109#define EIO_REQ_MEMBERS \
113 SV *callback; \ 110 SV *callback; \
114 SV *sv1, *sv2; \ 111 SV *sv1, *sv2; \
115 STRLEN stroffset; \ 112 STRLEN stroffset; \
116 SV *self; 113 SV *self;
117 114
118#define EIO_NO_WRAPPERS 1 115#define EIO_NO_WRAPPERS 1
119 116
117#include "libeio/config.h"
120#include "libeio/eio.h" 118#include "libeio/eio.h"
121
122#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0
129#endif
130
131#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0
133#endif
134
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138
139#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0
141#endif
142
143#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0
145#endif
146 119
147static int req_invoke (eio_req *req); 120static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 121#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 122static void req_destroy (eio_req *grp);
150#define EIO_DESTROY(req) req_destroy (req) 123#define EIO_DESTROY(req) req_destroy (req)
151 124
125#include "libeio/eio.c"
126
127/* Linux/others */
128#ifndef O_ASYNC
129# define O_ASYNC 0
130#endif
131#ifndef O_DIRECT
132# define O_DIRECT 0
133#endif
134#ifndef O_NOATIME
135# define O_NOATIME 0
136#endif
137
138/* POSIX */
139#ifndef O_CLOEXEC
140# define O_CLOEXEC 0
141#endif
142#ifndef O_NOFOLLOW
143# define O_NOFOLLOW 0
144#endif
145#ifndef O_NOCTTY
146# define O_NOCTTY 0
147#endif
148#ifndef O_NONBLOCK
149# define O_NONBLOCK 0
150#endif
151#ifndef O_EXEC
152# define O_EXEC 0
153#endif
154#ifndef O_SEARCH
155# define O_SEARCH 0
156#endif
157#ifndef O_DIRECTORY
158# define O_DIRECTORY 0
159#endif
160#ifndef O_DSYNC
161# define O_DSYNC 0
162#endif
163#ifndef O_RSYNC
164# define O_RSYNC 0
165#endif
166#ifndef O_SYNC
167# define O_SYNC 0
168#endif
169#ifndef O_TTY_INIT
170# define O_TTY_INIT 0
171#endif
172
173#ifndef POSIX_FADV_NORMAL
174# define POSIX_FADV_NORMAL 0
175#endif
176#ifndef POSIX_FADV_SEQUENTIAL
177# define POSIX_FADV_SEQUENTIAL 0
178#endif
179#ifndef POSIX_FADV_RANDOM
180# define POSIX_FADV_RANDOM 0
181#endif
182#ifndef POSIX_FADV_NOREUSE
183# define POSIX_FADV_NOREUSE 0
184#endif
185#ifndef POSIX_FADV_WILLNEED
186# define POSIX_FADV_WILLNEED 0
187#endif
188#ifndef POSIX_FADV_DONTNEED
189# define POSIX_FADV_DONTNEED 0
190#endif
191
192#if !HAVE_POSIX_FADVISE
193# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
194#endif
195
196#ifndef POSIX_MADV_NORMAL
197# define POSIX_MADV_NORMAL 0
198#endif
199#ifndef POSIX_MADV_SEQUENTIAL
200# define POSIX_MADV_SEQUENTIAL 0
201#endif
202#ifndef POSIX_MADV_RANDOM
203# define POSIX_MADV_RANDOM 0
204#endif
205#ifndef POSIX_MADV_WILLNEED
206# define POSIX_MADV_WILLNEED 0
207#endif
208#ifndef POSIX_MADV_DONTNEED
209# define POSIX_MADV_DONTNEED 0
210#endif
211
212#if !HAVE_POSIX_MADVISE
213# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
214#endif
215
216#ifndef PROT_NONE
217# define PROT_NONE 0
218#endif
219#ifndef PROT_READ
220# define PROT_READ 0
221#endif
222#ifndef PROT_WRITE
223# define PROT_READ 0
224#endif
225#ifndef PROT_EXEC
226# define PROT_EXEC 0
227#endif
228
229#ifndef ST_RDONLY
230# define ST_RDONLY 0
231#endif
232#ifndef ST_NOSUID
233# define ST_NOSUID 0
234#endif
235#ifndef ST_NODEV
236# define ST_NODEV 0
237#endif
238#ifndef ST_NOEXEC
239# define ST_NOEXEC 0
240#endif
241#ifndef ST_SYNCHRONOUS
242# define ST_SYNCHRONOUS 0
243#endif
244#ifndef ST_MANDLOCK
245# define ST_MANDLOCK 0
246#endif
247#ifndef ST_WRITE
248# define ST_WRITE 0
249#endif
250#ifndef ST_APPEND
251# define ST_APPEND 0
252#endif
253#ifndef ST_IMMUTABLE
254# define ST_IMMUTABLE 0
255#endif
256#ifndef ST_NOATIME
257# define ST_NOATIME 0
258#endif
259#ifndef ST_NODIRATIME
260# define ST_NODIRATIME 0
261#endif
262#ifndef ST_RELATIME
263# define ST_RELATIME 0
264#endif
265
266#ifndef S_IFIFO
267# define S_IFIFO 0
268#endif
269#ifndef S_IFCHR
270# define S_IFCHR 0
271#endif
272#ifndef S_IFBLK
273# define S_IFBLK 0
274#endif
275#ifndef S_IFLNK
276# define S_IFLNK 0
277#endif
278#ifndef S_IFREG
279# define S_IFREG 0
280#endif
281#ifndef S_IFDIR
282# define S_IFDIR 0
283#endif
284#ifndef S_IFWHT
285# define S_IFWHT 0
286#endif
287#ifndef S_IFSOCK
288# define S_IFSOCK 0
289#endif
290
291#ifndef MAP_ANONYMOUS
292# ifdef MAP_ANON
293# define MAP_ANONYMOUS MAP_ANON
294# else
295# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
296# endif
297#endif
298#ifndef MAP_HUGETLB
299# define MAP_HUGETLB 0
300#endif
301#ifndef MAP_LOCKED
302# define MAP_LOCKED 0
303#endif
304#ifndef MAP_NORESERVE
305# define MAP_NORESERVE 0
306#endif
307#ifndef MAP_POPULATE
308# define MAP_POPULATE 0
309#endif
310#ifndef MAP_NONBLOCK
311# define MAP_NONBLOCK 0
312#endif
313
314#ifndef makedev
315# define makedev(maj,min) (((maj) << 8) | (min))
316#endif
317#ifndef major
318# define major(dev) ((dev) >> 8)
319#endif
320#ifndef minor
321# define minor(dev) ((dev) & 0xff)
322#endif
323
324#ifndef PAGESIZE
325# define PAGESIZE sysconf (_SC_PAGESIZE)
326#endif
327
152enum { 328enum {
153 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 329 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
154}; 330};
155 331
156#include "libeio/eio.c"
157
158typedef eio_req *aio_req; 332typedef eio_req *aio_req;
159typedef eio_req *aio_req_ornot; 333typedef eio_req *aio_req_ornot;
160 334
161static SV *on_next_submit; 335static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 336static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 337static int max_outstanding;
164 338
165static int respipe_osf [2];
166static s_epipe respipe; 339static s_epipe respipe;
167 340
168static void req_destroy (aio_req req); 341static void req_destroy (aio_req req);
169static void req_cancel (aio_req req); 342static void req_cancel (aio_req req);
170 343
… …
179 /* read any signals sent by the worker threads */ 352 /* read any signals sent by the worker threads */
180 s_epipe_drain (&respipe); 353 s_epipe_drain (&respipe);
181} 354}
182 355
183/* must be called at most once */ 356/* must be called at most once */
184static SV *req_sv (aio_req req, const char *klass) 357static SV *req_sv (aio_req req, HV *stash)
185{ 358{
186 if (!req->self) 359 if (!req->self)
187 { 360 {
188 req->self = (SV *)newHV (); 361 req->self = (SV *)newHV ();
189 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190 } 363 }
191 364
192 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193} 366}
194 367
195static aio_req SvAIO_REQ (SV *sv) 368static aio_req SvAIO_REQ (SV *sv)
196{ 369{
197 MAGIC *mg; 370 MAGIC *mg;
198 371
199 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 372 if (!SvROK (sv)
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ")))
200 croak ("object of class " AIO_REQ_KLASS " expected"); 376 croak ("object of class IO::AIO::REQ expected");
201 377
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 379
204 return mg ? (aio_req)mg->mg_ptr : 0; 380 return mg ? (aio_req)mg->mg_ptr : 0;
205} 381}
… …
211 dSP; 387 dSP;
212 388
213 ENTER; 389 ENTER;
214 SAVETMPS; 390 SAVETMPS;
215 PUSHMARK (SP); 391 PUSHMARK (SP);
216 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 392 XPUSHs (req_sv (grp, aio_grp_stash));
217 PUTBACK; 393 PUTBACK;
218 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 394 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
219 SPAGAIN; 395 SPAGAIN;
220 FREETMPS; 396 FREETMPS;
221 LEAVE; 397 LEAVE;
… …
239 } 415 }
240} 416}
241 417
242static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
243{ 419{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
248 422
249 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
250 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
251 ENTER; 429 ENTER;
252 SAVETMPS; 430 SAVETMPS;
253 PUSHMARK (SP); 431 PUSHMARK (SP);
254 EXTEND (SP, 1); 432 EXTEND (SP, 1);
433
434 /* do not recreate the result IV from scratch each time */
435 if (expect_true (sv_result_cache))
436 {
437 sv_result = sv_result_cache; sv_result_cache = 0;
438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
440 }
441 else
442 {
443 sv_result = newSViv (req->result);
444 SvREADONLY_on (sv_result);
445 }
255 446
256 switch (req->type) 447 switch (req->type)
257 { 448 {
258 case EIO_READDIR: 449 case EIO_READDIR:
259 { 450 {
… …
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 518 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
328 char sym [64]; 519 char sym [64];
329 int symlen; 520 int symlen;
330 521
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 522 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332 gv_init (gv, stash, sym, symlen, 0); 523 gv_init (gv, aio_stash, sym, symlen, 0);
333 524
334 symlen = snprintf ( 525 symlen = snprintf (
335 sym, 526 sym,
336 sizeof (sym), 527 sizeof (sym),
337 "%s&=%d", 528 "%s&=%d",
… …
345 536
346 PUSHs (fh); 537 PUSHs (fh);
347 } 538 }
348 break; 539 break;
349 540
541 case EIO_STATVFS:
542 case EIO_FSTATVFS:
543 {
544 SV *rv = &PL_sv_undef;
545
546#ifndef _WIN32
547 if (req->result >= 0)
548 {
549 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
550 HV *hv = newHV ();
551
552 rv = sv_2mortal (newRV_noinc ((SV *)hv));
553
554 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
555 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
556 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
557 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
558 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
559 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
560 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
561 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
562 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
563 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
564 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
565 }
566#endif
567
568 PUSHs (rv);
569 }
570
571 break;
572
350 case EIO_GROUP: 573 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 574 req->int1 = 2; /* mark group as finished */
352 575
353 if (req->sv1) 576 if (req->sv1)
354 { 577 {
… …
364 case EIO_NOP: 587 case EIO_NOP:
365 case EIO_BUSY: 588 case EIO_BUSY:
366 break; 589 break;
367 590
368 case EIO_READLINK: 591 case EIO_READLINK:
592 case EIO_REALPATH:
369 if (req->result > 0) 593 if (req->result > 0)
370 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 594 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371 break; 595 break;
372 596
373 case EIO_STAT: 597 case EIO_STAT:
374 case EIO_LSTAT: 598 case EIO_LSTAT:
375 case EIO_FSTAT: 599 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 600 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 601 PL_laststatval = req->result;
602 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 603 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 604 PUSHs (sv_result);
380 break; 605 break;
381 606
382 case EIO_READ: 607 case EIO_READ:
383 { 608 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 609 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 610 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 611 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 612 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 613 PUSHs (sv_result);
389 } 614 }
390 break; 615 break;
391 616
392 case EIO_DUP2: 617 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393 if (req->result > 0) 618 if (req->result > 0)
394 req->result = 0; 619 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 620 /* FALLTHROUGH */
396 621
397 default: 622 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 623 PUSHs (sv_result);
399 break; 624 break;
400 } 625 }
401 626
402 errno = req->errorno; 627 errno = req->errorno;
403 628
404 PUTBACK; 629 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 630 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 631 SPAGAIN;
632
633 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
634 SvREFCNT_dec (sv_result);
635 else
636 sv_result_cache = sv_result;
407 637
408 FREETMPS; 638 FREETMPS;
409 LEAVE; 639 LEAVE;
410 640
411 PUTBACK; 641 PUTBACK;
… …
429 Safefree (req); 659 Safefree (req);
430} 660}
431 661
432static void req_cancel_subs (aio_req grp) 662static void req_cancel_subs (aio_req grp)
433{ 663{
434 aio_req sub;
435
436 if (grp->type != EIO_GROUP) 664 if (grp->type != EIO_GROUP)
437 return; 665 return;
438 666
439 SvREFCNT_dec (grp->sv2); 667 SvREFCNT_dec (grp->sv2);
440 grp->sv2 = 0; 668 grp->sv2 = 0;
441 669
442 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
443} 671}
444 672
445static void
446create_respipe (void) 673static void create_respipe (void)
447{ 674{
448 if (s_epipe_renew (&respipe)) 675 if (s_epipe_renew (&respipe))
449 croak ("unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
450
451 respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]);
452 respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]);
453} 677}
454 678
455static void poll_wait (void) 679static void poll_wait (void)
456{ 680{
457 while (eio_nreqs ()) 681 while (eio_nreqs ())
… …
485 709
486 poll_wait (); 710 poll_wait ();
487 } 711 }
488} 712}
489 713
490static void atfork_child (void) 714static void ecb_cold
715reinit (void)
491{ 716{
492 create_respipe (); 717 create_respipe ();
493}
494 718
495static SV * 719 if (eio_init (want_poll, done_poll) < 0)
720 croak ("IO::AIO: unable to initialise eio library");
721}
722
723/*****************************************************************************/
724
725#if !_POSIX_MAPPED_FILES
726# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
727# define munmap(addr,length) (errno = ENOSYS, -1)
728#endif
729
730#if !_POSIX_MEMORY_PROTECTION
731# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
732# define PROT_NONE 0
733# define PROT_WRITE 0
734# define MAP_PRIVATE 0
735# define MAP_SHARED 0
736# define MAP_FIXED 0
737#endif
738
739#define MMAP_MAGIC PERL_MAGIC_ext
740
741static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
742{
743 int old_errno = errno;
744 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
745 errno = old_errno;
746
747 mg->mg_obj = 0; /* just in case */
748
749 SvREADONLY_off (sv);
750
751 if (SvPVX (sv) != mg->mg_ptr)
752 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
753
754 SvCUR_set (sv, 0);
755 SvPVX (sv) = 0;
756 SvOK_off (sv);
757
758 return 0;
759}
760
761static MGVTBL mmap_vtbl = {
762 0, 0, 0, 0, mmap_free
763};
764
765/*****************************************************************************/
766
496get_cb (SV *cb_sv) 767static SV * get_cb (SV *cb_sv)
497{ 768{
498 SvGETMAGIC (cb_sv); 769 SvGETMAGIC (cb_sv);
499 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 770 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
500} 771}
501 772
… …
518 PUTBACK; \ 789 PUTBACK; \
519 req_submit (req); \ 790 req_submit (req); \
520 SPAGAIN; \ 791 SPAGAIN; \
521 \ 792 \
522 if (GIMME_V != G_VOID) \ 793 if (GIMME_V != G_VOID) \
523 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 794 XPUSHs (req_sv (req, aio_req_stash));
524 795
525MODULE = IO::AIO PACKAGE = IO::AIO 796MODULE = IO::AIO PACKAGE = IO::AIO
526 797
527PROTOTYPES: ENABLE 798PROTOTYPES: ENABLE
528 799
… …
530{ 801{
531 static const struct { 802 static const struct {
532 const char *name; 803 const char *name;
533 IV iv; 804 IV iv;
534 } *civ, const_iv[] = { 805 } *civ, const_iv[] = {
535# define const_iv(name, value) { # name, (IV) value }, 806# define const_niv(name, value) { # name, (IV) value },
807# define const_iv(name) { # name, (IV) name },
536# define const_eio(name) { # name, (IV) EIO_ ## name }, 808# define const_eio(name) { # name, (IV) EIO_ ## name },
537 const_iv (EXDEV , EXDEV) 809 const_iv (EXDEV)
538 const_iv (ENOSYS , ENOSYS) 810 const_iv (ENOSYS)
539 const_iv (O_RDONLY, O_RDONLY) 811 const_iv (O_RDONLY)
540 const_iv (O_WRONLY, O_WRONLY) 812 const_iv (O_WRONLY)
813 const_iv (O_RDWR)
541 const_iv (O_CREAT , O_CREAT) 814 const_iv (O_CREAT)
542 const_iv (O_TRUNC , O_TRUNC) 815 const_iv (O_TRUNC)
543#ifndef _WIN32 816 const_iv (O_EXCL)
817 const_iv (O_APPEND)
818
819 const_iv (O_ASYNC)
820 const_iv (O_DIRECT)
821 const_iv (O_NOATIME)
822
823 const_iv (O_CLOEXEC)
824 const_iv (O_NOCTTY)
825 const_iv (O_NOFOLLOW)
826 const_iv (O_NONBLOCK)
827 const_iv (O_EXEC)
828 const_iv (O_SEARCH)
829 const_iv (O_DIRECTORY)
830 const_iv (O_DSYNC)
831 const_iv (O_RSYNC)
832 const_iv (O_SYNC)
833 const_iv (O_TTY_INIT)
834
544 const_iv (S_IFIFO , S_IFIFO) 835 const_iv (S_IFIFO)
545#endif 836 const_iv (S_IFCHR)
837 const_iv (S_IFBLK)
838 const_iv (S_IFLNK)
839 const_iv (S_IFREG)
840 const_iv (S_IFDIR)
841 const_iv (S_IFWHT)
842 const_iv (S_IFSOCK)
843 const_iv (S_IFMT)
844
546 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 845 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 846 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 847 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 848 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 849 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 850 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
851
852 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
853 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
854 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
855 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
856 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
857
858 const_iv (ST_RDONLY)
859 const_iv (ST_NOSUID)
860 const_iv (ST_NODEV)
861 const_iv (ST_NOEXEC)
862 const_iv (ST_SYNCHRONOUS)
863 const_iv (ST_MANDLOCK)
864 const_iv (ST_WRITE)
865 const_iv (ST_APPEND)
866 const_iv (ST_IMMUTABLE)
867 const_iv (ST_NOATIME)
868 const_iv (ST_NODIRATIME)
869 const_iv (ST_RELATIME)
870
871 const_iv (PROT_NONE)
872 const_iv (PROT_EXEC)
873 const_iv (PROT_READ)
874 const_iv (PROT_WRITE)
875
876 /*const_iv (MAP_FIXED)*/
877 const_iv (MAP_PRIVATE)
878 const_iv (MAP_SHARED)
879 const_iv (MAP_ANONYMOUS)
880
881 /* linuxish */
882 const_iv (MAP_HUGETLB)
883 const_iv (MAP_LOCKED)
884 const_iv (MAP_NORESERVE)
885 const_iv (MAP_POPULATE)
886 const_iv (MAP_NONBLOCK)
887
888 const_eio (MCL_FUTURE)
889 const_eio (MCL_CURRENT)
890
891 const_eio (MS_ASYNC)
892 const_eio (MS_INVALIDATE)
893 const_eio (MS_SYNC)
894
895 const_eio (MT_MODIFY)
552 896
553 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 897 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554 const_eio (SYNC_FILE_RANGE_WRITE) 898 const_eio (SYNC_FILE_RANGE_WRITE)
555 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 899 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
900
901 const_eio (FALLOC_FL_KEEP_SIZE)
556 902
557 const_eio (READDIR_DENTS) 903 const_eio (READDIR_DENTS)
558 const_eio (READDIR_DIRS_FIRST) 904 const_eio (READDIR_DIRS_FIRST)
559 const_eio (READDIR_STAT_ORDER) 905 const_eio (READDIR_STAT_ORDER)
560 const_eio (READDIR_FOUND_UNKNOWN) 906 const_eio (READDIR_FOUND_UNKNOWN)
… …
568 const_eio (DT_LNK) 914 const_eio (DT_LNK)
569 const_eio (DT_SOCK) 915 const_eio (DT_SOCK)
570 const_eio (DT_WHT) 916 const_eio (DT_WHT)
571 }; 917 };
572 918
573 stash = gv_stashpv ("IO::AIO", 1); 919 aio_stash = gv_stashpv ("IO::AIO" , 1);
920 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
921 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
574 922
575 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 923 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
576 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 924 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
577 925
578 create_respipe (); 926 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
579 927
580 if (eio_init (want_poll, done_poll) < 0) 928 reinit ();
581 croak ("IO::AIO: unable to initialise eio library");
582
583 /* atfork child called in fifo order, so before eio's handler */
584 X_THREAD_ATFORK (0, 0, atfork_child);
585} 929}
586 930
587void 931void
932reinit ()
933 PROTOTYPE:
934 CODE:
935 reinit ();
936
937void
588max_poll_reqs (int nreqs) 938max_poll_reqs (unsigned int nreqs)
589 PROTOTYPE: $ 939 PROTOTYPE: $
590 CODE: 940 CODE:
591 eio_set_max_poll_reqs (nreqs); 941 eio_set_max_poll_reqs (nreqs);
592 942
593void 943void
… …
595 PROTOTYPE: $ 945 PROTOTYPE: $
596 CODE: 946 CODE:
597 eio_set_max_poll_time (nseconds); 947 eio_set_max_poll_time (nseconds);
598 948
599void 949void
600min_parallel (int nthreads) 950min_parallel (unsigned int nthreads)
601 PROTOTYPE: $ 951 PROTOTYPE: $
602 CODE: 952 CODE:
603 eio_set_min_parallel (nthreads); 953 eio_set_min_parallel (nthreads);
604 954
605void 955void
606max_parallel (int nthreads) 956max_parallel (unsigned int nthreads)
607 PROTOTYPE: $ 957 PROTOTYPE: $
608 CODE: 958 CODE:
609 eio_set_max_parallel (nthreads); 959 eio_set_max_parallel (nthreads);
610 960
611void 961void
612max_idle (int nthreads) 962max_idle (unsigned int nthreads)
613 PROTOTYPE: $ 963 PROTOTYPE: $
614 CODE: 964 CODE:
615 eio_set_max_idle (nthreads); 965 eio_set_max_idle (nthreads);
616 966
617void 967void
968idle_timeout (unsigned int seconds)
969 PROTOTYPE: $
970 CODE:
971 eio_set_idle_timeout (seconds);
972
973void
618max_outstanding (int maxreqs) 974max_outstanding (unsigned int maxreqs)
619 PROTOTYPE: $ 975 PROTOTYPE: $
620 CODE: 976 CODE:
621 max_outstanding = maxreqs; 977 max_outstanding = maxreqs;
622 978
623void 979void
624aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 980aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
625 PROTOTYPE: $$$;$
626 PPCODE: 981 PPCODE:
627{ 982{
628 dREQ; 983 dREQ;
629 984
630 req->type = EIO_OPEN; 985 req->type = EIO_OPEN;
… …
636 REQ_SEND; 991 REQ_SEND;
637} 992}
638 993
639void 994void
640aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 995aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
641 PROTOTYPE: $;$
642 ALIAS: 996 ALIAS:
643 aio_fsync = EIO_FSYNC 997 aio_fsync = EIO_FSYNC
644 aio_fdatasync = EIO_FDATASYNC 998 aio_fdatasync = EIO_FDATASYNC
645 PPCODE: 999 PPCODE:
646{ 1000{
… …
654 REQ_SEND (req); 1008 REQ_SEND (req);
655} 1009}
656 1010
657void 1011void
658aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1012aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
659 PROTOTYPE: $$$$;$
660 PPCODE: 1013 PPCODE:
661{ 1014{
662 int fd = s_fileno_croak (fh, 0); 1015 int fd = s_fileno_croak (fh, 0);
663 dREQ; 1016 dREQ;
664 1017
… …
671 1024
672 REQ_SEND (req); 1025 REQ_SEND (req);
673} 1026}
674 1027
675void 1028void
676aio_close (SV *fh, SV *callback=&PL_sv_undef) 1029aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
677 PROTOTYPE: $;$
678 PPCODE: 1030 PPCODE:
679{ 1031{
680 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
681 int fd = s_fileno_croak (fh, 0); 1032 int fd = s_fileno_croak (fh, 0);
682 dREQ; 1033 dREQ;
683 1034
684 if (close_pipe < 0) 1035 req->type = EIO_FALLOCATE;
1036 req->sv1 = newSVsv (fh);
1037 req->int1 = fd;
1038 req->int2 = mode;
1039 req->offs = offset;
1040 req->size = len;
1041
1042 REQ_SEND (req);
1043}
1044
1045void
1046aio_close (SV *fh, SV *callback=&PL_sv_undef)
1047 PPCODE:
1048{
1049 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1050 int fd = s_fileno_croak (fh, 0);
1051 dREQ;
1052
1053 if (expect_false (close_fd < 0))
685 { 1054 {
686 int pipefd [2]; 1055 int pipefd [2];
687 1056
1057 if (
1058#ifdef _WIN32
1059 _pipe (pipefd, 1, _O_BINARY) < 0
1060#else
688 if (pipe (pipefd) < 0 1061 pipe (pipefd) < 0
689 || close (pipefd [1]) < 0
690 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1062 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1063#endif
1064 || close (pipefd [1]) < 0
1065 )
691 abort (); /*D*/ 1066 abort (); /*D*/
692 1067
693 close_pipe = pipefd [0]; 1068 close_fd = pipefd [0];
694 } 1069 }
695 1070
696 req->type = EIO_DUP2; 1071 req->type = EIO_DUP2;
697 req->int1 = close_pipe; 1072 req->int1 = close_fd;
698 req->sv2 = newSVsv (fh); 1073 req->sv2 = newSVsv (fh);
699 req->int2 = fd; 1074 req->int2 = fd;
700 1075
701 REQ_SEND (req); 1076 REQ_SEND (req);
702} 1077}
… …
704void 1079void
705aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1080aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
706 ALIAS: 1081 ALIAS:
707 aio_read = EIO_READ 1082 aio_read = EIO_READ
708 aio_write = EIO_WRITE 1083 aio_write = EIO_WRITE
709 PROTOTYPE: $$$$$;$
710 PPCODE: 1084 PPCODE:
711{ 1085{
712 STRLEN svlen; 1086 STRLEN svlen;
713 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1087 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
714 char *svptr = SvPVbyte (data, svlen); 1088 char *svptr = SvPVbyte (data, svlen);
… …
755 } 1129 }
756} 1130}
757 1131
758void 1132void
759aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1133aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
760 PROTOTYPE: $$;$ 1134 ALIAS:
1135 aio_readlink = EIO_READLINK
1136 aio_realpath = EIO_REALPATH
761 PPCODE: 1137 PPCODE:
762{ 1138{
763 SV *data;
764 dREQ; 1139 dREQ;
765 1140
766 req->type = EIO_READLINK; 1141 req->type = ix;
767 req->sv1 = newSVsv (path); 1142 req->sv1 = newSVsv (path);
768 req->ptr1 = SvPVbyte_nolen (req->sv1); 1143 req->ptr1 = SvPVbyte_nolen (req->sv1);
769 1144
770 REQ_SEND; 1145 REQ_SEND;
771} 1146}
772 1147
773void 1148void
774aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1149aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
775 PROTOTYPE: $$$$;$
776 PPCODE: 1150 PPCODE:
777{ 1151{
778 int ifd = s_fileno_croak (in_fh , 0); 1152 int ifd = s_fileno_croak (in_fh , 0);
779 int ofd = s_fileno_croak (out_fh, 1); 1153 int ofd = s_fileno_croak (out_fh, 1);
780 dREQ; 1154 dREQ;
… …
790 REQ_SEND; 1164 REQ_SEND;
791} 1165}
792 1166
793void 1167void
794aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1168aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
795 PROTOTYPE: $$$;$
796 PPCODE: 1169 PPCODE:
797{ 1170{
798 int fd = s_fileno_croak (fh, 0); 1171 int fd = s_fileno_croak (fh, 0);
799 dREQ; 1172 dREQ;
800 1173
… …
808} 1181}
809 1182
810void 1183void
811aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1184aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
812 ALIAS: 1185 ALIAS:
813 aio_stat = EIO_STAT 1186 aio_stat = EIO_STAT
814 aio_lstat = EIO_LSTAT 1187 aio_lstat = EIO_LSTAT
1188 aio_statvfs = EIO_STATVFS
815 PPCODE: 1189 PPCODE:
816{ 1190{
817 dREQ; 1191 dREQ;
818 1192
819 req->sv1 = newSVsv (fh_or_path); 1193 req->sv1 = newSVsv (fh_or_path);
… …
823 req->type = ix; 1197 req->type = ix;
824 req->ptr1 = SvPVbyte_nolen (req->sv1); 1198 req->ptr1 = SvPVbyte_nolen (req->sv1);
825 } 1199 }
826 else 1200 else
827 { 1201 {
828 req->type = EIO_FSTAT; 1202 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
829 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1203 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830 } 1204 }
831 1205
832 REQ_SEND; 1206 REQ_SEND;
833} 1207}
1208
1209UV
1210major (UV dev)
1211 ALIAS:
1212 minor = 1
1213 CODE:
1214 RETVAL = ix ? major (dev) : minor (dev);
1215 OUTPUT:
1216 RETVAL
1217
1218UV
1219makedev (UV maj, UV min)
1220 CODE:
1221 RETVAL = makedev (maj, min);
1222 OUTPUT:
1223 RETVAL
834 1224
835void 1225void
836aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1226aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
837 PPCODE: 1227 PPCODE:
838{ 1228{
… …
996 1386
997 REQ_SEND; 1387 REQ_SEND;
998} 1388}
999 1389
1000void 1390void
1391aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1392 ALIAS:
1393 aio_mtouch = EIO_MTOUCH
1394 aio_msync = EIO_MSYNC
1395 PPCODE:
1396{
1397 STRLEN svlen;
1398 char *svptr = SvPVbyte (data, svlen);
1399 UV len = SvUV (length);
1400
1401 if (offset < 0)
1402 offset += svlen;
1403
1404 if (offset < 0 || offset > svlen)
1405 croak ("offset outside of scalar");
1406
1407 if (!SvOK (length) || len + offset > svlen)
1408 len = svlen - offset;
1409
1410 {
1411 dREQ;
1412
1413 req->type = ix;
1414 req->sv2 = SvREFCNT_inc (data);
1415 req->ptr2 = (char *)svptr + offset;
1416 req->size = len;
1417 req->int1 = flags;
1418
1419 REQ_SEND;
1420 }
1421}
1422
1423void
1424aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1425 PPCODE:
1426{
1427 STRLEN svlen;
1428 char *svptr = SvPVbyte (data, svlen);
1429 UV len = SvUV (length);
1430
1431 if (offset < 0)
1432 offset += svlen;
1433
1434 if (offset < 0 || offset > svlen)
1435 croak ("offset outside of scalar");
1436
1437 if (!SvOK (length) || len + offset > svlen)
1438 len = svlen - offset;
1439
1440 {
1441 dREQ;
1442
1443 req->type = EIO_MLOCK;
1444 req->sv2 = SvREFCNT_inc (data);
1445 req->ptr2 = (char *)svptr + offset;
1446 req->size = len;
1447
1448 REQ_SEND;
1449 }
1450}
1451
1452void
1453aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1454 PPCODE:
1455{
1456 dREQ;
1457
1458 req->type = EIO_MLOCKALL;
1459 req->int1 = flags;
1460
1461 REQ_SEND;
1462}
1463
1464void
1001aio_busy (double delay, SV *callback=&PL_sv_undef) 1465aio_busy (double delay, SV *callback=&PL_sv_undef)
1002 PPCODE: 1466 PPCODE:
1003{ 1467{
1004 dREQ; 1468 dREQ;
1005 1469
… …
1009 REQ_SEND; 1473 REQ_SEND;
1010} 1474}
1011 1475
1012void 1476void
1013aio_group (SV *callback=&PL_sv_undef) 1477aio_group (SV *callback=&PL_sv_undef)
1014 PROTOTYPE: ;$
1015 PPCODE: 1478 PPCODE:
1016{ 1479{
1017 dREQ; 1480 dREQ;
1018 1481
1019 req->type = EIO_GROUP; 1482 req->type = EIO_GROUP;
1020 1483
1021 req_submit (req); 1484 req_submit (req);
1022 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1485 XPUSHs (req_sv (req, aio_grp_stash));
1023} 1486}
1024 1487
1025void 1488void
1026aio_nop (SV *callback=&PL_sv_undef) 1489aio_nop (SV *callback=&PL_sv_undef)
1027 ALIAS: 1490 ALIAS:
… …
1036 REQ_SEND; 1499 REQ_SEND;
1037} 1500}
1038 1501
1039int 1502int
1040aioreq_pri (int pri = 0) 1503aioreq_pri (int pri = 0)
1041 PROTOTYPE: ;$
1042 CODE: 1504 CODE:
1043 RETVAL = next_pri; 1505 RETVAL = next_pri;
1044 if (items > 0) 1506 if (items > 0)
1045 { 1507 {
1046 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1508 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1058 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1520 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1059 next_pri = nice; 1521 next_pri = nice;
1060 1522
1061void 1523void
1062flush () 1524flush ()
1063 PROTOTYPE:
1064 CODE: 1525 CODE:
1065 while (eio_nreqs ()) 1526 while (eio_nreqs ())
1066 { 1527 {
1067 poll_wait (); 1528 poll_wait ();
1068 poll_cb (); 1529 poll_cb ();
1069 } 1530 }
1070 1531
1071int 1532int
1072poll() 1533poll ()
1073 PROTOTYPE:
1074 CODE: 1534 CODE:
1075 poll_wait (); 1535 poll_wait ();
1076 RETVAL = poll_cb (); 1536 RETVAL = poll_cb ();
1077 OUTPUT: 1537 OUTPUT:
1078 RETVAL 1538 RETVAL
1079 1539
1080int 1540int
1081poll_fileno() 1541poll_fileno ()
1082 PROTOTYPE:
1083 CODE: 1542 CODE:
1084 RETVAL = s_epipe_fd (&respipe); 1543 RETVAL = s_epipe_fd (&respipe);
1085 OUTPUT: 1544 OUTPUT:
1086 RETVAL 1545 RETVAL
1087 1546
1088int 1547int
1089poll_cb(...) 1548poll_cb (...)
1090 PROTOTYPE: 1549 PROTOTYPE:
1091 CODE: 1550 CODE:
1092 RETVAL = poll_cb (); 1551 RETVAL = poll_cb ();
1093 OUTPUT: 1552 OUTPUT:
1094 RETVAL 1553 RETVAL
1095 1554
1096void 1555void
1097poll_wait() 1556poll_wait ()
1098 PROTOTYPE:
1099 CODE: 1557 CODE:
1100 poll_wait (); 1558 poll_wait ();
1101 1559
1102int 1560int
1103nreqs() 1561nreqs ()
1104 PROTOTYPE:
1105 CODE: 1562 CODE:
1106 RETVAL = eio_nreqs (); 1563 RETVAL = eio_nreqs ();
1107 OUTPUT: 1564 OUTPUT:
1108 RETVAL 1565 RETVAL
1109 1566
1110int 1567int
1111nready() 1568nready ()
1112 PROTOTYPE:
1113 CODE: 1569 CODE:
1114 RETVAL = eio_nready (); 1570 RETVAL = eio_nready ();
1115 OUTPUT: 1571 OUTPUT:
1116 RETVAL 1572 RETVAL
1117 1573
1118int 1574int
1119npending() 1575npending ()
1120 PROTOTYPE:
1121 CODE: 1576 CODE:
1122 RETVAL = eio_npending (); 1577 RETVAL = eio_npending ();
1123 OUTPUT: 1578 OUTPUT:
1124 RETVAL 1579 RETVAL
1125 1580
1126int 1581int
1127nthreads() 1582nthreads ()
1128 PROTOTYPE:
1129 CODE: 1583 CODE:
1130 RETVAL = eio_nthreads (); 1584 RETVAL = eio_nthreads ();
1131 OUTPUT: 1585 OUTPUT:
1132 RETVAL 1586 RETVAL
1133 1587
1134int 1588int
1135fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1589fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136 PROTOTYPE: $$$$
1137 CODE: 1590 CODE:
1138#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139 RETVAL = posix_fadvise (fh, offset, length, advice); 1591 RETVAL = posix_fadvise (fh, offset, length, advice);
1140#else
1141 RETVAL = errno = ENOSYS;
1142#endif
1143 OUTPUT: 1592 OUTPUT:
1144 RETVAL 1593 RETVAL
1145 1594
1146ssize_t 1595IV
1147sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1596sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148 PROTOTYPE: $$$$
1149 CODE: 1597 CODE:
1150 eio_sendfile_sync (ofh, ifh, offset, count); 1598 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1599 OUTPUT:
1600 RETVAL
1601
1602void
1603mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1604 PPCODE:
1605 sv_unmagic (scalar, MMAP_MAGIC);
1606{
1607 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1608 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1609 if (addr == (void *)-1)
1610 XSRETURN_NO;
1611
1612 sv_force_normal (scalar);
1613
1614 /* we store the length in mg_obj, as namlen is I32 :/ */
1615 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1616 ->mg_obj = (SV *)length;
1617
1618 SvUPGRADE (scalar, SVt_PV); /* nop... */
1619
1620 if (!(prot & PROT_WRITE))
1621 SvREADONLY_on (scalar);
1622
1623 if (SvLEN (scalar))
1624 Safefree (SvPVX (scalar));
1625
1626 SvPVX (scalar) = (char *)addr;
1627 SvCUR_set (scalar, length);
1628 SvLEN_set (scalar, 0);
1629 SvPOK_only (scalar);
1630
1631 XSRETURN_YES;
1632}
1633
1634void
1635munmap (SV *scalar)
1636 CODE:
1637 sv_unmagic (scalar, MMAP_MAGIC);
1638
1639int
1640madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1641 ALIAS:
1642 mprotect = 1
1643 CODE:
1644{
1645 STRLEN svlen;
1646 void *addr = SvPVbyte (scalar, svlen);
1647 size_t len = SvUV (length);
1648
1649 if (offset < 0)
1650 offset += svlen;
1651
1652 if (offset < 0 || offset > svlen)
1653 croak ("offset outside of scalar");
1654
1655 if (!SvOK (length) || len + offset > svlen)
1656 len = svlen - offset;
1657
1658 addr = (void *)(((intptr_t)addr) + offset);
1659 eio_page_align (&addr, &len);
1660
1661 switch (ix)
1662 {
1663 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1664 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1665 }
1666}
1667 OUTPUT:
1668 RETVAL
1669
1670int
1671munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1672 CODE:
1673{
1674 STRLEN svlen;
1675 void *addr = SvPVbyte (scalar, svlen);
1676 size_t len = SvUV (length);
1677
1678 if (offset < 0)
1679 offset += svlen;
1680
1681 if (offset < 0 || offset > svlen)
1682 croak ("offset outside of scalar");
1683
1684 if (!SvOK (length) || len + offset > svlen)
1685 len = svlen - offset;
1686
1687 addr = (void *)(((intptr_t)addr) + offset);
1688 eio_page_align (&addr, &len);
1689#if _POSIX_MEMLOCK_RANGE
1690 RETVAL = munlock (addr, len);
1691#else
1692 RETVAL = ((errno = ENOSYS), -1);
1693#endif
1694}
1695 OUTPUT:
1696 RETVAL
1697
1698int
1699munlockall ()
1700 CODE:
1701#if _POSIX_MEMLOCK
1702 munlockall ();
1703#else
1704 RETVAL = -1;
1705 errno = ENOSYS;
1706#endif
1707 OUTPUT:
1708 RETVAL
1151 1709
1152void _on_next_submit (SV *cb) 1710void _on_next_submit (SV *cb)
1153 CODE: 1711 CODE:
1154 SvREFCNT_dec (on_next_submit); 1712 SvREFCNT_dec (on_next_submit);
1155 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1713 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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