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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs.
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC

3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
14#include <limits.h> 17#include <limits.h>
15#include <fcntl.h> 18#include <fcntl.h>
16#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
24
25#if !_POSIX_MAPPED_FILES
26# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
27# define munmap(addr,length) (errno = ENOSYS, -1)
28#endif
29
30/* perl namespace pollution */
31#undef VERSION
17 32
18#ifdef _WIN32 33#ifdef _WIN32
19 34
20# define EIO_STRUCT_DIRENT Direntry_t 35# define EIO_STRUCT_DIRENT Direntry_t
21# undef malloc 36# undef malloc
62# include <signal.h> 77# include <signal.h>
63# define EIO_STRUCT_DIRENT struct dirent 78# define EIO_STRUCT_DIRENT struct dirent
64 79
65#endif 80#endif
66 81
82/* perl stupidly overrides readdir and maybe others */
83/* with thread-unsafe versions, imagine that :( */
84#undef readdir
85#undef opendir
86#undef closedir
87
67#define EIO_STRUCT_STAT Stat_t 88#define EIO_STRUCT_STAT Stat_t
68 89
69/* use NV for 32 bit perls as it allows larger offsets */ 90/* use NV for 32 bit perls as it allows larger offsets */
70#if IVSIZE >= 8 91#if IVSIZE >= 8
92# define VAL64 IV
71# define SvVAL64 SvIV 93# define SvVAL64 SvIV
94# define newSVval64 newSViv
72#else 95#else
96# define VAL64 NV
73# define SvVAL64 SvNV 97# define SvVAL64 SvNV
98# define newSVval64 newSVnv
74#endif 99#endif
75 100
76static HV *stash; 101/*****************************************************************************/
102
103#if __GNUC__ >= 3
104# define expect(expr,value) __builtin_expect ((expr),(value))
105#else
106# define expect(expr,value) (expr)
107#endif
108
109#define expect_false(expr) expect ((expr) != 0, 0)
110#define expect_true(expr) expect ((expr) != 0, 1)
111
112/*****************************************************************************/
113
77typedef SV SV8; /* byte-sv, used for argument-checking */ 114typedef SV SV8; /* byte-sv, used for argument-checking */
115typedef int aio_rfd; /* read file desriptor */
116typedef int aio_wfd; /* write file descriptor */
78 117
79#define AIO_REQ_KLASS "IO::AIO::REQ" 118static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
80#define AIO_GRP_KLASS "IO::AIO::GRP"
81 119
82#define EIO_COMMON \ 120#define EIO_REQ_MEMBERS \
83 SV *callback; \ 121 SV *callback; \
84 SV *sv1, *sv2; \ 122 SV *sv1, *sv2; \
85 STRLEN stroffset; \ 123 STRLEN stroffset; \
86 SV *self 124 SV *self;
125
126#define EIO_NO_WRAPPERS 1
87 127
88#include "libeio/eio.h" 128#include "libeio/eio.h"
129
130#ifndef POSIX_FADV_NORMAL
131# define POSIX_FADV_NORMAL 0
132# define NO_FADVISE 1
133#endif
134#ifndef POSIX_FADV_SEQUENTIAL
135# define POSIX_FADV_SEQUENTIAL 0
136#endif
137#ifndef POSIX_FADV_RANDOM
138# define POSIX_FADV_RANDOM 0
139#endif
140#ifndef POSIX_FADV_NOREUSE
141# define POSIX_FADV_NOREUSE 0
142#endif
143#ifndef POSIX_FADV_WILLNEED
144# define POSIX_FADV_WILLNEED 0
145#endif
146#ifndef POSIX_FADV_DONTNEED
147# define POSIX_FADV_DONTNEED 0
148#endif
149
150#ifndef ST_NODEV
151# define ST_NODEV 0
152#endif
153#ifndef ST_NOEXEC
154# define ST_NOEXEC 0
155#endif
156#ifndef ST_SYNCHRONOUS
157# define ST_SYNCHRONOUS 0
158#endif
159#ifndef ST_MANDLOCK
160# define ST_MANDLOCK 0
161#endif
162#ifndef ST_WRITE
163# define ST_WRITE 0
164#endif
165#ifndef ST_APPEND
166# define ST_APPEND 0
167#endif
168#ifndef ST_IMMUTABLE
169# define ST_IMMUTABLE 0
170#endif
171#ifndef ST_NOATIME
172# define ST_NOATIME 0
173#endif
174#ifndef ST_NODIRATIME
175# define ST_NODIRATIME 0
176#endif
177#ifndef ST_RELATIME
178# define ST_RELATIME 0
179#endif
180
181#ifndef MCL_CURRENT
182# define MCL_CURRENT 0
183#endif
184#ifndef MCL_FUTURE
185# define MCL_FUTURE 0
186#endif
187
188#ifndef MAP_ANONYMOUS
189# ifdef MAP_ANON
190# define MAP_ANONYMOUS MAP_ANON
191# else
192# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
193# endif
194#endif
195#ifndef MAP_HUGETLB
196# define MAP_HUGETLB 0
197#endif
198#ifndef MAP_LOCKED
199# define MAP_LOCKED 0
200#endif
201#ifndef MAP_NORESERVE
202# define MAP_NORESERVE 0
203#endif
204#ifndef MAP_POPULATE
205# define MAP_POPULATE 0
206#endif
207#ifndef MAP_NONBLOCK
208# define MAP_NONBLOCK 0
209#endif
210
211#ifndef PAGESIZE
212# define PAGESIZE sysconf (_SC_PAGESIZE)
213#endif
89 214
90static int req_invoke (eio_req *req); 215static int req_invoke (eio_req *req);
91#define EIO_FINISH(req) req_invoke (req) 216#define EIO_FINISH(req) req_invoke (req)
92static void aio_grp_feed (eio_req *grp);
93#define EIO_FEED(req) aio_grp_feed (req)
94static void req_destroy (eio_req *grp); 217static void req_destroy (eio_req *grp);
95#define EIO_DESTROY(req) req_destroy (req) 218#define EIO_DESTROY(req) req_destroy (req)
96 219
97enum { 220enum {
98 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 221 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
102 225
103typedef eio_req *aio_req; 226typedef eio_req *aio_req;
104typedef eio_req *aio_req_ornot; 227typedef eio_req *aio_req_ornot;
105 228
106static SV *on_next_submit; 229static SV *on_next_submit;
107static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; 230static int next_pri = EIO_PRI_DEFAULT;
108static int max_outstanding; 231static int max_outstanding;
109 232
110static int respipe_osf [2], respipe [2] = { -1, -1 }; 233static s_epipe respipe;
111 234
112static void req_destroy (aio_req req); 235static void req_destroy (aio_req req);
113static void req_cancel (aio_req req); 236static void req_cancel (aio_req req);
114 237
115static void want_poll (void) 238static void want_poll (void)
116{ 239{
117 /* write a dummy byte to the pipe so fh becomes ready */ 240 /* write a dummy byte to the pipe so fh becomes ready */
118 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 241 s_epipe_signal (&respipe);
119} 242}
120 243
121static void done_poll (void) 244static void done_poll (void)
122{ 245{
123 /* read any signals sent by the worker threads */ 246 /* read any signals sent by the worker threads */
124 char buf [4]; 247 s_epipe_drain (&respipe);
125 while (respipe_read (respipe [0], buf, 4) == 4)
126 ;
127} 248}
128 249
129/* must be called at most once */ 250/* must be called at most once */
130static SV *req_sv (aio_req req, const char *klass) 251static SV *req_sv (aio_req req, HV *stash)
131{ 252{
132 if (!req->self) 253 if (!req->self)
133 { 254 {
134 req->self = (SV *)newHV (); 255 req->self = (SV *)newHV ();
135 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 256 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136 } 257 }
137 258
138 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 259 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139} 260}
140 261
141static aio_req SvAIO_REQ (SV *sv) 262static aio_req SvAIO_REQ (SV *sv)
142{ 263{
143 MAGIC *mg; 264 MAGIC *mg;
144 265
145 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 266 if (!SvROK (sv)
267 || (SvSTASH (SvRV (sv)) != aio_grp_stash
268 && SvSTASH (SvRV (sv)) != aio_req_stash
269 && !sv_derived_from (sv, "IO::AIO::REQ")))
146 croak ("object of class " AIO_REQ_KLASS " expected"); 270 croak ("object of class IO::AIO::REQ expected");
147 271
148 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 272 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149 273
150 return mg ? (aio_req)mg->mg_ptr : 0; 274 return mg ? (aio_req)mg->mg_ptr : 0;
151} 275}
157 dSP; 281 dSP;
158 282
159 ENTER; 283 ENTER;
160 SAVETMPS; 284 SAVETMPS;
161 PUSHMARK (SP); 285 PUSHMARK (SP);
162 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 286 XPUSHs (req_sv (grp, aio_grp_stash));
163 PUTBACK; 287 PUTBACK;
164 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 288 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165 SPAGAIN; 289 SPAGAIN;
166 FREETMPS; 290 FREETMPS;
167 LEAVE; 291 LEAVE;
170 294
171static void req_submit (eio_req *req) 295static void req_submit (eio_req *req)
172{ 296{
173 eio_submit (req); 297 eio_submit (req);
174 298
175 if (on_next_submit) 299 if (expect_false (on_next_submit))
176 { 300 {
177 dSP; 301 dSP;
178 SV *cb = sv_2mortal (on_next_submit); 302 SV *cb = sv_2mortal (on_next_submit);
179 303
180 on_next_submit = 0; 304 on_next_submit = 0;
190 dSP; 314 dSP;
191 315
192 if (req->flags & FLAG_SV2_RO_OFF) 316 if (req->flags & FLAG_SV2_RO_OFF)
193 SvREADONLY_off (req->sv2); 317 SvREADONLY_off (req->sv2);
194 318
195 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 319 if (!EIO_CANCELLED (req) && req->callback)
196 { 320 {
197 ENTER; 321 ENTER;
198 SAVETMPS; 322 SAVETMPS;
199 PUSHMARK (SP); 323 PUSHMARK (SP);
200 EXTEND (SP, 1); 324 EXTEND (SP, 1);
206 SV *rv = &PL_sv_undef; 330 SV *rv = &PL_sv_undef;
207 331
208 if (req->result >= 0) 332 if (req->result >= 0)
209 { 333 {
210 int i; 334 int i;
211 char *buf = req->ptr2; 335 char *names = (char *)req->ptr2;
336 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
212 AV *av = newAV (); 337 AV *av = newAV ();
213 338
214 av_extend (av, req->result - 1); 339 av_extend (av, req->result - 1);
215 340
216 for (i = 0; i < req->result; ++i) 341 for (i = 0; i < req->result; ++i)
217 { 342 {
218 SV *sv = newSVpv (buf, 0); 343 if (req->int1 & EIO_READDIR_DENTS)
344 {
345 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
219 346
347 if (req->int1 & EIO_READDIR_CUSTOM2)
348 {
349 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
350 AV *avent = newAV ();
351
352 av_extend (avent, 2);
353
354 if (!sv_type [ent->type])
355 {
356 sv_type [ent->type] = newSViv (ent->type);
357 SvREADONLY_on (sv_type [ent->type]);
358 }
359
360 av_store (avent, 0, namesv);
361 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
362 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
363
364 av_store (av, i, newRV_noinc ((SV *)avent));
365 }
366 else
220 av_store (av, i, sv); 367 av_store (av, i, namesv);
368
369 ++ent;
370 }
371 else
372 {
373 SV *name = newSVpv (names, 0);
374 av_store (av, i, name);
221 buf += SvCUR (sv) + 1; 375 names += SvCUR (name) + 1;
376 }
222 } 377 }
223 378
224 rv = sv_2mortal (newRV_noinc ((SV *)av)); 379 rv = sv_2mortal (newRV_noinc ((SV *)av));
225 } 380 }
226 381
227 PUSHs (rv); 382 PUSHs (rv);
383
384 if (req->int1 & EIO_READDIR_CUSTOM1)
385 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
228 } 386 }
229 break; 387 break;
230 388
231 case EIO_OPEN: 389 case EIO_OPEN:
232 { 390 {
238 GV *gv = (GV *)sv_newmortal (); 396 GV *gv = (GV *)sv_newmortal ();
239 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 397 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
240 char sym [64]; 398 char sym [64];
241 int symlen; 399 int symlen;
242 400
243 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 401 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
244 gv_init (gv, stash, sym, symlen, 0); 402 gv_init (gv, aio_stash, sym, symlen, 0);
245 403
246 symlen = snprintf ( 404 symlen = snprintf (
247 sym, 405 sym,
248 sizeof (sym), 406 sizeof (sym),
249 "%s&=%d", 407 "%s&=%d",
250 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 408 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
251 req->result 409 (int)req->result
252 ); 410 );
253 411
254 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 412 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
255 fh = (SV *)gv; 413 fh = (SV *)gv;
256 } 414 }
257 415
258 PUSHs (fh); 416 PUSHs (fh);
259 } 417 }
418 break;
419
420 case EIO_STATVFS:
421 case EIO_FSTATVFS:
422 {
423 SV *rv = &PL_sv_undef;
424
425 if (req->result >= 0)
426 {
427 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428 HV *hv = newHV ();
429
430 rv = sv_2mortal (newRV_noinc ((SV *)hv));
431
432 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
433 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
434 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
435 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
436 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
437 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
438 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
439 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
440 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
441 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
442 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
443 }
444
445 PUSHs (rv);
446 }
447
260 break; 448 break;
261 449
262 case EIO_GROUP: 450 case EIO_GROUP:
263 req->int1 = 2; /* mark group as finished */ 451 req->int1 = 2; /* mark group as finished */
264 452
277 case EIO_BUSY: 465 case EIO_BUSY:
278 break; 466 break;
279 467
280 case EIO_READLINK: 468 case EIO_READLINK:
281 if (req->result > 0) 469 if (req->result > 0)
282 { 470 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
283 SvCUR_set (req->sv2, req->result);
284 *SvEND (req->sv2) = 0;
285 PUSHs (req->sv2);
286 }
287 break; 471 break;
288 472
289 case EIO_STAT: 473 case EIO_STAT:
290 case EIO_LSTAT: 474 case EIO_LSTAT:
291 case EIO_FSTAT: 475 case EIO_FSTAT:
294 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 478 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
295 PUSHs (sv_2mortal (newSViv (req->result))); 479 PUSHs (sv_2mortal (newSViv (req->result)));
296 break; 480 break;
297 481
298 case EIO_READ: 482 case EIO_READ:
483 {
299 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 484 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
300 *SvEND (req->sv2) = 0; 485 *SvEND (req->sv2) = 0;
486 SvPOK_only (req->sv2);
487 SvSETMAGIC (req->sv2);
301 PUSHs (sv_2mortal (newSViv (req->result))); 488 PUSHs (sv_2mortal (newSViv (req->result)));
489 }
302 break; 490 break;
303 491
304 case EIO_DUP2: 492 case EIO_DUP2:
305 if (req->result > 0) 493 if (req->result > 0)
306 req->result = 0; 494 req->result = 0;
352 grp->sv2 = 0; 540 grp->sv2 = 0;
353 541
354 eio_grp_cancel (grp); 542 eio_grp_cancel (grp);
355} 543}
356 544
357#ifdef USE_SOCKETS_AS_HANDLES
358# define TO_SOCKET(x) (win32_get_osfhandle (x))
359#else
360# define TO_SOCKET(x) (x)
361#endif
362
363static void 545static void
364create_respipe (void) 546create_respipe (void)
365{ 547{
366 int old_readfd = respipe [0];
367
368 if (respipe [1] >= 0)
369 respipe_close (TO_SOCKET (respipe [1]));
370
371#ifdef _WIN32
372 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
373#else
374 if (pipe (respipe)) 548 if (s_epipe_renew (&respipe))
375#endif
376 croak ("unable to initialize result pipe"); 549 croak ("IO::AIO: unable to initialize result pipe");
377
378 if (old_readfd >= 0)
379 {
380 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
381 croak ("unable to initialize result pipe(2)");
382
383 respipe_close (respipe [0]);
384 respipe [0] = old_readfd;
385 }
386
387#ifdef _WIN32
388 int arg = 1;
389 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
390 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
391#else
392 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
393 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
394#endif
395 croak ("unable to initialize result pipe(3)");
396
397 respipe_osf [0] = TO_SOCKET (respipe [0]);
398 respipe_osf [1] = TO_SOCKET (respipe [1]);
399} 550}
400 551
401static void poll_wait (void) 552static void poll_wait (void)
402{ 553{
403 fd_set rfd;
404
405 while (eio_nreqs ()) 554 while (eio_nreqs ())
406 { 555 {
407 int size; 556 int size;
408 557
409 X_LOCK (reslock); 558 X_LOCK (reslock);
411 X_UNLOCK (reslock); 560 X_UNLOCK (reslock);
412 561
413 if (size) 562 if (size)
414 return; 563 return;
415 564
416 maybe_start_thread (); 565 etp_maybe_start_thread ();
417 566
418 FD_ZERO (&rfd); 567 s_epipe_wait (&respipe);
419 FD_SET (respipe [0], &rfd);
420
421 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
422 } 568 }
423} 569}
424 570
425static int poll_cb (void) 571static int poll_cb (void)
426{ 572{
427 int res; 573 for (;;)
428
429 do
430 { 574 {
431 res = eio_poll (); 575 int res = eio_poll ();
432 576
433 if (res > 0) 577 if (res > 0)
434 croak (0); 578 croak (0);
579
580 if (!max_outstanding || max_outstanding > eio_nreqs ())
581 return res;
582
583 poll_wait ();
435 } 584 }
436 while (max_outstanding && max_outstanding <= eio_nreqs ());
437
438 return res;
439} 585}
440 586
441static void atfork_child (void) 587static void atfork_child (void)
442{ 588{
443 create_respipe (); 589 create_respipe ();
444} 590}
445 591
592/*****************************************************************************/
593
594#define MMAP_MAGIC PERL_MAGIC_ext
595
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{
599 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno;
602
603 mg->mg_obj = 0; /* just in case */
604
605 SvREADONLY_off (sv);
606 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0;
609 SvOK_off (sv);
610
611 return 0;
612}
613
614static MGVTBL mmap_vtbl = {
615 0, 0, 0, 0, mmap_free
616};
617
618/*****************************************************************************/
619
620static SV *
621get_cb (SV *cb_sv)
622{
623 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625}
626
446#define dREQ \ 627#define dREQ \
628 SV *cb_cv; \
447 aio_req req; \ 629 aio_req req; \
448 int req_pri = next_pri; \ 630 int req_pri = next_pri; \
449 next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ 631 next_pri = EIO_PRI_DEFAULT; \
450 \ 632 \
451 if (SvOK (callback) && !SvROK (callback)) \ 633 cb_cv = get_cb (callback); \
452 croak ("callback must be undef or of reference type"); \
453 \ 634 \
454 Newz (0, req, 1, eio_req); \ 635 Newz (0, req, 1, eio_req); \
455 if (!req) \ 636 if (!req) \
456 croak ("out of memory during eio_req allocation"); \ 637 croak ("out of memory during eio_req allocation"); \
457 \ 638 \
458 req->callback = newSVsv (callback); \ 639 req->callback = SvREFCNT_inc (cb_cv); \
459 req->pri = req_pri 640 req->pri = req_pri
460 641
461#define REQ_SEND \ 642#define REQ_SEND \
643 PUTBACK; \
462 req_submit (req); \ 644 req_submit (req); \
645 SPAGAIN; \
463 \ 646 \
464 if (GIMME_V != G_VOID) \ 647 if (GIMME_V != G_VOID) \
465 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 648 XPUSHs (req_sv (req, aio_req_stash));
466 649
467MODULE = IO::AIO PACKAGE = IO::AIO 650MODULE = IO::AIO PACKAGE = IO::AIO
468 651
469PROTOTYPES: ENABLE 652PROTOTYPES: ENABLE
470 653
471BOOT: 654BOOT:
472{ 655{
473 stash = gv_stashpv ("IO::AIO", 1); 656 static const struct {
474 657 const char *name;
475 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 658 IV iv;
476 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 659 } *civ, const_iv[] = {
477 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 660# define const_niv(name, value) { # name, (IV) value },
478 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 661# define const_iv(name) { # name, (IV) name },
479 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 662# define const_eio(name) { # name, (IV) EIO_ ## name },
663 const_iv (EXDEV)
664 const_iv (ENOSYS)
665 const_iv (O_RDONLY)
666 const_iv (O_WRONLY)
667 const_iv (O_CREAT)
668 const_iv (O_TRUNC)
480#ifdef _WIN32 669#ifndef _WIN32
481 X_MUTEX_CHECK (wrklock); 670 const_iv (S_IFIFO)
482 X_MUTEX_CHECK (reslock);
483 X_MUTEX_CHECK (reqlock);
484 X_MUTEX_CHECK (reqwait);
485 X_MUTEX_CHECK (preadwritelock);
486 X_MUTEX_CHECK (readdirlock);
487
488 X_COND_CHECK (reqwait);
489#else
490 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
491#endif 671#endif
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
492 678
679 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC)
683 const_iv (ST_SYNCHRONOUS)
684 const_iv (ST_MANDLOCK)
685 const_iv (ST_WRITE)
686 const_iv (ST_APPEND)
687 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME)
691
692 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ)
695 const_iv (PROT_WRITE)
696
697 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE)
699 const_iv (MAP_SHARED)
700 const_iv (MAP_ANONYMOUS)
701
702 /* linuxish */
703 const_iv (MAP_HUGETLB)
704 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK)
708
709 const_iv (MCL_FUTURE)
710 const_iv (MCL_CURRENT)
711
712 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC)
715
716 const_eio (MT_MODIFY)
717
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE)
720 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
721
722 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN)
726
727 const_eio (DT_UNKNOWN)
728 const_eio (DT_FIFO)
729 const_eio (DT_CHR)
730 const_eio (DT_DIR)
731 const_eio (DT_BLK)
732 const_eio (DT_REG)
733 const_eio (DT_LNK)
734 const_eio (DT_SOCK)
735 const_eio (DT_WHT)
736 };
737
738 aio_stash = gv_stashpv ("IO::AIO" , 1);
739 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
741
742 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
743 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
744
745 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746
493 create_respipe (); 747 create_respipe ();
494 748
495 if (eio_init (want_poll, done_poll) < 0) 749 if (eio_init (want_poll, done_poll) < 0)
496 croak ("IO::AIO: unable to initialise eio library"); 750 croak ("IO::AIO: unable to initialise eio library");
497 751
498 /* atfork child called in fifo order, so before eio's handler */ 752 /* atfork child called in fifo order, so before eio's handler */
499 X_THREAD_ATFORK (0, 0, atfork_child); 753 X_THREAD_ATFORK (0, 0, atfork_child);
500} 754}
501 755
502void 756void
503max_poll_reqs (int nreqs) 757max_poll_reqs (int nreqs)
504 PROTOTYPE: $ 758 PROTOTYPE: $
557 ALIAS: 811 ALIAS:
558 aio_fsync = EIO_FSYNC 812 aio_fsync = EIO_FSYNC
559 aio_fdatasync = EIO_FDATASYNC 813 aio_fdatasync = EIO_FDATASYNC
560 PPCODE: 814 PPCODE:
561{ 815{
816 int fd = s_fileno_croak (fh, 0);
562 dREQ; 817 dREQ;
563 818
564 req->type = ix; 819 req->type = ix;
565 req->sv1 = newSVsv (fh); 820 req->sv1 = newSVsv (fh);
566 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 821 req->int1 = fd;
822
823 REQ_SEND (req);
824}
825
826void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE:
830{
831 int fd = s_fileno_croak (fh, 0);
832 dREQ;
833
834 req->type = EIO_SYNC_FILE_RANGE;
835 req->sv1 = newSVsv (fh);
836 req->int1 = fd;
837 req->offs = offset;
838 req->size = nbytes;
839 req->int2 = flags;
567 840
568 REQ_SEND (req); 841 REQ_SEND (req);
569} 842}
570 843
571void 844void
572aio_close (SV *fh, SV *callback=&PL_sv_undef) 845aio_close (SV *fh, SV *callback=&PL_sv_undef)
573 PROTOTYPE: $;$ 846 PROTOTYPE: $;$
574 PPCODE: 847 PPCODE:
575{ 848{
576 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0);
577 dREQ; 851 dREQ;
578 852
579 if (close_pipe < 0) 853 if (close_pipe < 0)
580 { 854 {
581 int pipefd [2]; 855 int pipefd [2];
589 } 863 }
590 864
591 req->type = EIO_DUP2; 865 req->type = EIO_DUP2;
592 req->int1 = close_pipe; 866 req->int1 = close_pipe;
593 req->sv2 = newSVsv (fh); 867 req->sv2 = newSVsv (fh);
594 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 868 req->int2 = fd;
595 869
596 REQ_SEND (req); 870 REQ_SEND (req);
597} 871}
598 872
599void 873void
603 aio_write = EIO_WRITE 877 aio_write = EIO_WRITE
604 PROTOTYPE: $$$$$;$ 878 PROTOTYPE: $$$$$;$
605 PPCODE: 879 PPCODE:
606{ 880{
607 STRLEN svlen; 881 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
608 char *svptr = SvPVbyte (data, svlen); 883 char *svptr = SvPVbyte (data, svlen);
609 UV len = SvUV (length); 884 UV len = SvUV (length);
610
611 SvUPGRADE (data, SVt_PV);
612 SvPOK_on (data);
613 885
614 if (dataoffset < 0) 886 if (dataoffset < 0)
615 dataoffset += svlen; 887 dataoffset += svlen;
616 888
617 if (dataoffset < 0 || dataoffset > svlen) 889 if (dataoffset < 0 || dataoffset > svlen)
623 if (!SvOK (length) || len + dataoffset > svlen) 895 if (!SvOK (length) || len + dataoffset > svlen)
624 len = svlen - dataoffset; 896 len = svlen - dataoffset;
625 } 897 }
626 else 898 else
627 { 899 {
628 /* read: grow scalar as necessary */ 900 /* read: check type and grow scalar as necessary */
901 SvUPGRADE (data, SVt_PV);
629 svptr = SvGROW (data, len + dataoffset + 1); 902 svptr = SvGROW (data, len + dataoffset + 1);
630 } 903 }
631 904
632 if (len < 0)
633 croak ("length must not be negative");
634
635 { 905 {
636 dREQ; 906 dREQ;
637 907
638 req->type = ix; 908 req->type = ix;
639 req->sv1 = newSVsv (fh); 909 req->sv1 = newSVsv (fh);
640 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 910 req->int1 = fd;
641 : IoOFP (sv_2io (fh)));
642 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 911 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
643 req->size = len; 912 req->size = len;
644 req->sv2 = SvREFCNT_inc (data); 913 req->sv2 = SvREFCNT_inc (data);
645 req->ptr2 = (char *)svptr + dataoffset; 914 req->ptr2 = (char *)svptr + dataoffset;
646 req->stroffset = dataoffset; 915 req->stroffset = dataoffset;
661 PPCODE: 930 PPCODE:
662{ 931{
663 SV *data; 932 SV *data;
664 dREQ; 933 dREQ;
665 934
666 data = newSV (NAME_MAX);
667 SvPOK_on (data);
668
669 req->type = EIO_READLINK; 935 req->type = EIO_READLINK;
670 req->sv1 = newSVsv (path); 936 req->sv1 = newSVsv (path);
671 req->ptr1 = SvPVbyte_nolen (req->sv1); 937 req->ptr1 = SvPVbyte_nolen (req->sv1);
672 req->sv2 = data;
673 req->ptr2 = SvPVbyte_nolen (data);
674 938
675 REQ_SEND; 939 REQ_SEND;
676} 940}
677 941
678void 942void
679aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
680 PROTOTYPE: $$$$;$ 944 PROTOTYPE: $$$$;$
681 PPCODE: 945 PPCODE:
682{ 946{
947 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1);
683 dREQ; 949 dREQ;
684 950
685 req->type = EIO_SENDFILE; 951 req->type = EIO_SENDFILE;
686 req->sv1 = newSVsv (out_fh); 952 req->sv1 = newSVsv (out_fh);
687 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 953 req->int1 = ofd;
688 req->sv2 = newSVsv (in_fh); 954 req->sv2 = newSVsv (in_fh);
689 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 955 req->int2 = ifd;
690 req->offs = SvVAL64 (in_offset); 956 req->offs = in_offset;
691 req->size = length; 957 req->size = length;
692 958
693 REQ_SEND; 959 REQ_SEND;
694} 960}
695 961
696void 962void
697aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
698 PROTOTYPE: $$$;$ 964 PROTOTYPE: $$$;$
699 PPCODE: 965 PPCODE:
700{ 966{
967 int fd = s_fileno_croak (fh, 0);
701 dREQ; 968 dREQ;
702 969
703 req->type = EIO_READAHEAD; 970 req->type = EIO_READAHEAD;
704 req->sv1 = newSVsv (fh); 971 req->sv1 = newSVsv (fh);
705 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 972 req->int1 = fd;
706 req->offs = SvVAL64 (offset); 973 req->offs = offset;
707 req->size = length; 974 req->size = length;
708 975
709 REQ_SEND; 976 REQ_SEND;
710} 977}
711 978
712void 979void
713aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 980aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
714 ALIAS: 981 ALIAS:
715 aio_stat = EIO_STAT 982 aio_stat = EIO_STAT
716 aio_lstat = EIO_LSTAT 983 aio_lstat = EIO_LSTAT
984 aio_statvfs = EIO_STATVFS
717 PPCODE: 985 PPCODE:
718{ 986{
719 dREQ; 987 dREQ;
720 988
721 req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
722 if (!req->ptr2)
723 {
724 req_destroy (req);
725 croak ("out of memory during aio_stat statdata allocation");
726 }
727
728 req->flags |= EIO_FLAG_PTR2_FREE;
729 req->sv1 = newSVsv (fh_or_path); 989 req->sv1 = newSVsv (fh_or_path);
730 990
731 if (SvPOK (fh_or_path)) 991 if (SvPOK (req->sv1))
732 { 992 {
733 req->type = ix; 993 req->type = ix;
734 req->ptr1 = SvPVbyte_nolen (req->sv1); 994 req->ptr1 = SvPVbyte_nolen (req->sv1);
735 } 995 }
736 else 996 else
737 { 997 {
738 req->type = EIO_FSTAT; 998 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
739 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 999 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
740 } 1000 }
741 1001
742 REQ_SEND; 1002 REQ_SEND;
743} 1003}
750 1010
751 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1011 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
752 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1012 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
753 req->sv1 = newSVsv (fh_or_path); 1013 req->sv1 = newSVsv (fh_or_path);
754 1014
755 if (SvPOK (fh_or_path)) 1015 if (SvPOK (req->sv1))
756 { 1016 {
757 req->type = EIO_UTIME; 1017 req->type = EIO_UTIME;
758 req->ptr1 = SvPVbyte_nolen (req->sv1); 1018 req->ptr1 = SvPVbyte_nolen (req->sv1);
759 } 1019 }
760 else 1020 else
773 dREQ; 1033 dREQ;
774 1034
775 req->sv1 = newSVsv (fh_or_path); 1035 req->sv1 = newSVsv (fh_or_path);
776 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1036 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
777 1037
778 if (SvPOK (fh_or_path)) 1038 if (SvPOK (req->sv1))
779 { 1039 {
780 req->type = EIO_TRUNCATE; 1040 req->type = EIO_TRUNCATE;
781 req->ptr1 = SvPVbyte_nolen (req->sv1); 1041 req->ptr1 = SvPVbyte_nolen (req->sv1);
782 } 1042 }
783 else 1043 else
791 1051
792void 1052void
793aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1053aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
794 ALIAS: 1054 ALIAS:
795 aio_chmod = EIO_CHMOD 1055 aio_chmod = EIO_CHMOD
796 aio_fchmod = EIO_FCHMOD
797 aio_mkdir = EIO_MKDIR 1056 aio_mkdir = EIO_MKDIR
798 PPCODE: 1057 PPCODE:
799{ 1058{
800 dREQ; 1059 dREQ;
801 1060
802 req->type = ix;
803 req->int2 = mode; 1061 req->int2 = mode;
804 req->sv1 = newSVsv (fh_or_path); 1062 req->sv1 = newSVsv (fh_or_path);
805 1063
806 if (ix == EIO_FCHMOD) 1064 if (SvPOK (req->sv1))
807 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1065 {
1066 req->type = ix;
1067 req->ptr1 = SvPVbyte_nolen (req->sv1);
1068 }
808 else 1069 else
809 req->ptr1 = SvPVbyte_nolen (req->sv1); 1070 {
1071 req->type = EIO_FCHMOD;
1072 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073 }
810 1074
811 REQ_SEND; 1075 REQ_SEND;
812} 1076}
813 1077
814void 1078void
819 1083
820 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1084 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
821 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1085 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
822 req->sv1 = newSVsv (fh_or_path); 1086 req->sv1 = newSVsv (fh_or_path);
823 1087
824 if (SvPOK (fh_or_path)) 1088 if (SvPOK (req->sv1))
825 { 1089 {
826 req->type = EIO_CHOWN; 1090 req->type = EIO_CHOWN;
827 req->ptr1 = SvPVbyte_nolen (req->sv1); 1091 req->ptr1 = SvPVbyte_nolen (req->sv1);
828 } 1092 }
829 else 1093 else
834 1098
835 REQ_SEND; 1099 REQ_SEND;
836} 1100}
837 1101
838void 1102void
1103aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
1104 PPCODE:
1105{
1106 dREQ;
1107
1108 req->type = EIO_READDIR;
1109 req->sv1 = newSVsv (pathname);
1110 req->ptr1 = SvPVbyte_nolen (req->sv1);
1111 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112
1113 if (flags & EIO_READDIR_DENTS)
1114 req->int1 |= EIO_READDIR_CUSTOM2;
1115
1116 REQ_SEND;
1117}
1118
1119void
839aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1120aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
840 ALIAS: 1121 ALIAS:
841 aio_unlink = EIO_UNLINK 1122 aio_unlink = EIO_UNLINK
842 aio_rmdir = EIO_RMDIR 1123 aio_rmdir = EIO_RMDIR
843 aio_readdir = EIO_READDIR 1124 aio_readdir = EIO_READDIR
885 1166
886 REQ_SEND; 1167 REQ_SEND;
887} 1168}
888 1169
889void 1170void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172 ALIAS:
1173 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE:
1177{
1178 STRLEN svlen;
1179 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181
1182 if (offset < 0)
1183 offset += svlen;
1184
1185 if (offset < 0 || offset > svlen)
1186 croak ("offset outside of scalar");
1187
1188 if (!SvOK (length) || len + offset > svlen)
1189 len = svlen - offset;
1190
1191 {
1192 dREQ;
1193
1194 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset;
1198 req->int1 = flags;
1199
1200 REQ_SEND;
1201 }
1202}
1203
1204void
890aio_busy (double delay, SV *callback=&PL_sv_undef) 1205aio_busy (double delay, SV *callback=&PL_sv_undef)
891 PPCODE: 1206 PPCODE:
892{ 1207{
893 dREQ; 1208 dREQ;
894 1209
905{ 1220{
906 dREQ; 1221 dREQ;
907 1222
908 req->type = EIO_GROUP; 1223 req->type = EIO_GROUP;
909 1224
910 eio_submit (req); 1225 req_submit (req);
911 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1226 XPUSHs (req_sv (req, aio_grp_stash));
912} 1227}
913 1228
914void 1229void
915aio_nop (SV *callback=&PL_sv_undef) 1230aio_nop (SV *callback=&PL_sv_undef)
916 ALIAS: 1231 ALIAS:
927 1242
928int 1243int
929aioreq_pri (int pri = 0) 1244aioreq_pri (int pri = 0)
930 PROTOTYPE: ;$ 1245 PROTOTYPE: ;$
931 CODE: 1246 CODE:
932 RETVAL = next_pri - EIO_PRI_BIAS; 1247 RETVAL = next_pri;
933 if (items > 0) 1248 if (items > 0)
934 { 1249 {
935 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
936 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; 1251 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
937 next_pri = pri + EIO_PRI_BIAS; 1252 next_pri = pri;
938 } 1253 }
939 OUTPUT: 1254 OUTPUT:
940 RETVAL 1255 RETVAL
941 1256
942void 1257void
943aioreq_nice (int nice = 0) 1258aioreq_nice (int nice = 0)
944 CODE: 1259 CODE:
945 nice = next_pri - nice; 1260 nice = next_pri - nice;
946 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; 1261 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
947 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
948 next_pri = nice + EIO_PRI_BIAS; 1263 next_pri = nice;
949 1264
950void 1265void
951flush () 1266flush ()
952 PROTOTYPE: 1267 PROTOTYPE:
953 CODE: 1268 CODE:
968 1283
969int 1284int
970poll_fileno() 1285poll_fileno()
971 PROTOTYPE: 1286 PROTOTYPE:
972 CODE: 1287 CODE:
973 RETVAL = respipe [0]; 1288 RETVAL = s_epipe_fd (&respipe);
974 OUTPUT: 1289 OUTPUT:
975 RETVAL 1290 RETVAL
976 1291
977int 1292int
978poll_cb(...) 1293poll_cb(...)
1014 1329
1015int 1330int
1016nthreads() 1331nthreads()
1017 PROTOTYPE: 1332 PROTOTYPE:
1018 CODE: 1333 CODE:
1019 if (WORDACCESS_UNSAFE) X_LOCK (wrklock); 1334 RETVAL = eio_nthreads ();
1020 RETVAL = started;
1021 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1022 OUTPUT: 1335 OUTPUT:
1023 RETVAL 1336 RETVAL
1024 1337
1338int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT:
1348 RETVAL
1349
1350ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT:
1356 RETVAL
1357
1358void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC);
1363{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1)
1367 XSRETURN_NO;
1368
1369 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length;
1372
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */
1374 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar);
1376
1377 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar);
1381
1382 XSRETURN_YES;
1383}
1384
1385void
1386munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC);
1390
1391int
1392mlockall (int flags)
1393 PROTOTYPE: $
1394 CODE:
1395#if _POSIX_MEMLOCK
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else
1402 RETVAL = -1;
1403 errno = ENOSYS;
1404#endif
1405 OUTPUT:
1406 RETVAL
1407
1408int
1409munlockall ()
1410 PROTOTYPE:
1411 CODE:
1412#if _POSIX_MEMLOCK
1413 munlockall ();
1414#else
1415 RETVAL = -1;
1416 errno = ENOSYS;
1417#endif
1418 OUTPUT:
1419 RETVAL
1420
1025void _on_next_submit (SV *cb) 1421void _on_next_submit (SV *cb)
1026 CODE: 1422 CODE:
1027 SvREFCNT_dec (on_next_submit); 1423 SvREFCNT_dec (on_next_submit);
1028 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1424 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1029 1425
1036 CODE: 1432 CODE:
1037 eio_cancel (req); 1433 eio_cancel (req);
1038 1434
1039void 1435void
1040cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 1436cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1041 CODE: 1437 PPCODE:
1438{
1439 if (GIMME_V != G_VOID)
1440 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1441
1442 if (items > 1)
1443 {
1444 SV *cb_cv =get_cb (callback);
1445
1042 SvREFCNT_dec (req->callback); 1446 SvREFCNT_dec (req->callback);
1043 req->callback = newSVsv (callback); 1447 req->callback = SvREFCNT_inc (cb_cv);
1448 }
1449}
1044 1450
1045MODULE = IO::AIO PACKAGE = IO::AIO::GRP 1451MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1046 1452
1047void 1453void
1048add (aio_req grp, ...) 1454add (aio_req grp, ...)
1080 AV *av; 1486 AV *av;
1081 1487
1082 grp->errorno = errno; 1488 grp->errorno = errno;
1083 1489
1084 av = newAV (); 1490 av = newAV ();
1491 av_extend (av, items - 1);
1085 1492
1086 for (i = 1; i < items; ++i ) 1493 for (i = 1; i < items; ++i )
1087 av_push (av, newSVsv (ST (i))); 1494 av_push (av, newSVsv (ST (i)));
1088 1495
1089 SvREFCNT_dec (grp->sv1); 1496 SvREFCNT_dec (grp->sv1);
1103void 1510void
1104feed (aio_req grp, SV *callback=&PL_sv_undef) 1511feed (aio_req grp, SV *callback=&PL_sv_undef)
1105 CODE: 1512 CODE:
1106{ 1513{
1107 SvREFCNT_dec (grp->sv2); 1514 SvREFCNT_dec (grp->sv2);
1108 grp->sv2 = newSVsv (callback); 1515 grp->sv2 = newSVsv (callback);
1516 grp->feed = aio_grp_feed;
1109 1517
1110 if (grp->int2 <= 0) 1518 if (grp->int2 <= 0)
1111 grp->int2 = 2; 1519 grp->int2 = 2;
1112 1520
1113 eio_grp_limit (grp, grp->int2); 1521 eio_grp_limit (grp, grp->int2);

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