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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.135 by root, Sun Apr 19 13:06:15 2009 UTC vs.
Revision 1.187 by root, Sat Jul 16 16:46:10 2011 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>
14#include <limits.h> 16#include <limits.h>
15#include <fcntl.h> 17#include <fcntl.h>
16#include <sched.h> 18#include <sched.h>
17 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
23
18/* perl namespace pollution */ 24/* perl namespace pollution */
19#undef VERSION 25#undef VERSION
26
27/* perl stupidly overrides readdir and maybe others */
28/* with thread-unsafe versions, imagine that :( */
29#undef readdir
30#undef opendir
31#undef closedir
20 32
21#ifdef _WIN32 33#ifdef _WIN32
22 34
23# define EIO_STRUCT_DIRENT Direntry_t 35# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc 36# undef malloc
28# undef open 40# undef open
29# undef read 41# undef read
30# undef write 42# undef write
31# undef send 43# undef send
32# undef recv 44# undef recv
33# undef stat 45# undef lstat
34# undef fstat
35# define lstat stat
36# undef truncate 46# undef truncate
37# undef ftruncate 47# undef ftruncate
38# undef open 48# undef open
49# undef link
39# undef close 50# undef close
40# undef unlink 51# undef unlink
52# undef mkdir
41# undef rmdir 53# undef rmdir
42# undef rename 54# undef rename
43# undef lseek 55# undef lseek
56# undef opendir
57# undef readdir
58# undef closedir
59# undef chmod
60# undef fchmod
44 61
45# define chown(a,b,c) (errno = ENOSYS, -1)
46# define fchown(a,b,c) (errno = ENOSYS, -1)
47# define fchmod(a,b) (errno = ENOSYS, -1)
48# define symlink(a,b) (errno = ENOSYS, -1)
49# define readlink(a,b,c) (errno = ENOSYS, -1)
50# define mknod(a,b,c) (errno = ENOSYS, -1)
51# define truncate(a,b) (errno = ENOSYS, -1)
52# define ftruncate(fd,o) chsize ((fd), (o))
53# define fsync(fd) _commit (fd)
54# define opendir(fd) (errno = ENOSYS, 0) 62# define opendir(fd) EIO_ERRNO (ENOSYS, 0)
55# define readdir(fd) (errno = ENOSYS, -1) 63# define readdir(fd) EIO_ENOSYS ()
56# define closedir(fd) (errno = ENOSYS, -1) 64# define closedir(fd) EIO_ENOSYS ()
57# define mkdir(a,b) mkdir (a)
58 65
59#else 66#else
60 67
61# include <sys/time.h> 68# include <sys/time.h>
62# include <sys/select.h> 69# include <sys/select.h>
63# include <unistd.h> 70# include <unistd.h>
64# include <utime.h> 71# include <utime.h>
65# include <signal.h> 72# include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67 73
68#endif 74#endif
69
70/* perl stupidly overrides readdir and maybe others */
71/* with thread-unsafe versions, imagine that :( */
72#undef readdir
73#undef opendir
74#undef closedir
75 75
76#define EIO_STRUCT_STAT Stat_t 76#define EIO_STRUCT_STAT Stat_t
77 77
78/* use NV for 32 bit perls as it allows larger offsets */ 78/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8 79#if IVSIZE >= 8
80# define VAL64 IV
80# define SvVAL64 SvIV 81# define SvVAL64 SvIV
82# define newSVval64 newSViv
81#else 83#else
84# define VAL64 NV
82# define SvVAL64 SvNV 85# define SvVAL64 SvNV
86# define newSVval64 newSVnv
83#endif 87#endif
84 88
85/*****************************************************************************/ 89/*****************************************************************************/
86 90
87#if __GNUC__ >= 3 91#if __GNUC__ >= 3
93#define expect_false(expr) expect ((expr) != 0, 0) 97#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 98#define expect_true(expr) expect ((expr) != 0, 1)
95 99
96/*****************************************************************************/ 100/*****************************************************************************/
97 101
98static HV *stash;
99typedef SV SV8; /* byte-sv, used for argument-checking */ 102typedef SV SV8; /* byte-sv, used for argument-checking */
103typedef int aio_rfd; /* read file desriptor */
104typedef int aio_wfd; /* write file descriptor */
100 105
101#define AIO_REQ_KLASS "IO::AIO::REQ" 106static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103 107
104#define EIO_REQ_MEMBERS \ 108#define EIO_REQ_MEMBERS \
105 SV *callback; \ 109 SV *callback; \
106 SV *sv1, *sv2; \ 110 SV *sv1, *sv2; \
107 STRLEN stroffset; \ 111 STRLEN stroffset; \
108 SV *self; 112 SV *self;
109 113
110#define EIO_NO_WRAPPERS 1 114#define EIO_NO_WRAPPERS 1
111 115
116#include "libeio/config.h"
112#include "libeio/eio.h" 117#include "libeio/eio.h"
118
119/* Linux/others */
120#ifndef O_ASYNC
121# define O_ASYNC 0
122#endif
123#ifndef O_DIRECT
124# define O_DIRECT 0
125#endif
126#ifndef O_NOATIME
127# define O_NOATIME 0
128#endif
129
130/* POSIX */
131#ifndef O_CLOEXEC
132# define O_CLOEXEC 0
133#endif
134#ifndef O_NOFOLLOW
135# define O_NOFOLLOW 0
136#endif
137#ifndef O_NOCTTY
138# define O_NOCTTY 0
139#endif
140#ifndef O_NONBLOCK
141# define O_NONBLOCK 0
142#endif
143#ifndef O_EXEC
144# define O_EXEC 0
145#endif
146#ifndef O_SEARCH
147# define O_SEARCH 0
148#endif
149#ifndef O_DIRECTORY
150# define O_DIRECTORY 0
151#endif
152#ifndef O_DSYNC
153# define O_DSYNC 0
154#endif
155#ifndef O_RSYNC
156# define O_RSYNC 0
157#endif
158#ifndef O_SYNC
159# define O_SYNC 0
160#endif
161#ifndef O_TTY_INIT
162# define O_TTY_INIT 0
163#endif
164
165#ifndef POSIX_FADV_NORMAL
166# define POSIX_FADV_NORMAL 0
167#endif
168#ifndef POSIX_FADV_SEQUENTIAL
169# define POSIX_FADV_SEQUENTIAL 0
170#endif
171#ifndef POSIX_FADV_RANDOM
172# define POSIX_FADV_RANDOM 0
173#endif
174#ifndef POSIX_FADV_NOREUSE
175# define POSIX_FADV_NOREUSE 0
176#endif
177#ifndef POSIX_FADV_WILLNEED
178# define POSIX_FADV_WILLNEED 0
179#endif
180#ifndef POSIX_FADV_DONTNEED
181# define POSIX_FADV_DONTNEED 0
182#endif
183
184#if !HAVE_POSIX_FADVISE
185# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
186#endif
187
188#ifndef POSIX_MADV_NORMAL
189# define POSIX_MADV_NORMAL 0
190#endif
191#ifndef POSIX_MADV_SEQUENTIAL
192# define POSIX_MADV_SEQUENTIAL 0
193#endif
194#ifndef POSIX_MADV_RANDOM
195# define POSIX_MADV_RANDOM 0
196#endif
197#ifndef POSIX_MADV_WILLNEED
198# define POSIX_MADV_WILLNEED 0
199#endif
200#ifndef POSIX_MADV_DONTNEED
201# define POSIX_MADV_DONTNEED 0
202#endif
203
204#if !HAVE_POSIX_MADVISE
205# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
206#endif
207
208#ifndef PROT_NONE
209# define PROT_NONE 0
210#endif
211#ifndef PROT_READ
212# define PROT_READ 0
213#endif
214#ifndef PROT_WRITE
215# define PROT_READ 0
216#endif
217#ifndef PROT_EXEC
218# define PROT_EXEC 0
219#endif
220
221#ifndef ST_RDONLY
222# define ST_RDONLY 0
223#endif
224#ifndef ST_NOSUID
225# define ST_NOSUID 0
226#endif
227#ifndef ST_NODEV
228# define ST_NODEV 0
229#endif
230#ifndef ST_NOEXEC
231# define ST_NOEXEC 0
232#endif
233#ifndef ST_SYNCHRONOUS
234# define ST_SYNCHRONOUS 0
235#endif
236#ifndef ST_MANDLOCK
237# define ST_MANDLOCK 0
238#endif
239#ifndef ST_WRITE
240# define ST_WRITE 0
241#endif
242#ifndef ST_APPEND
243# define ST_APPEND 0
244#endif
245#ifndef ST_IMMUTABLE
246# define ST_IMMUTABLE 0
247#endif
248#ifndef ST_NOATIME
249# define ST_NOATIME 0
250#endif
251#ifndef ST_NODIRATIME
252# define ST_NODIRATIME 0
253#endif
254#ifndef ST_RELATIME
255# define ST_RELATIME 0
256#endif
257
258#ifndef S_IFIFO
259# define S_IFIFO 0
260#endif
261#ifndef S_IFCHR
262# define S_IFCHR 0
263#endif
264#ifndef S_IFBLK
265# define S_IFBLK 0
266#endif
267#ifndef S_IFLNK
268# define S_IFLNK 0
269#endif
270#ifndef S_IFREG
271# define S_IFREG 0
272#endif
273#ifndef S_IFDIR
274# define S_IFDIR 0
275#endif
276#ifndef S_IFWHT
277# define S_IFWHT 0
278#endif
279#ifndef S_IFSOCK
280# define S_IFSOCK 0
281#endif
282
283#ifndef MAP_ANONYMOUS
284# ifdef MAP_ANON
285# define MAP_ANONYMOUS MAP_ANON
286# else
287# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
288# endif
289#endif
290#ifndef MAP_HUGETLB
291# define MAP_HUGETLB 0
292#endif
293#ifndef MAP_LOCKED
294# define MAP_LOCKED 0
295#endif
296#ifndef MAP_NORESERVE
297# define MAP_NORESERVE 0
298#endif
299#ifndef MAP_POPULATE
300# define MAP_POPULATE 0
301#endif
302#ifndef MAP_NONBLOCK
303# define MAP_NONBLOCK 0
304#endif
305
306#ifndef makedev
307# define makedev(maj,min) (((maj) << 8) | (min))
308#endif
309#ifndef major
310# define major(dev) ((dev) >> 8)
311#endif
312#ifndef minor
313# define minor(dev) ((dev) & 0xff)
314#endif
315
316#ifndef PAGESIZE
317# define PAGESIZE sysconf (_SC_PAGESIZE)
318#endif
113 319
114static int req_invoke (eio_req *req); 320static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 321#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 322static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 323#define EIO_DESTROY(req) req_destroy (req)
127 333
128static SV *on_next_submit; 334static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 335static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 336static int max_outstanding;
131 337
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 338static s_epipe respipe;
133 339
134static void req_destroy (aio_req req); 340static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 341static void req_cancel (aio_req req);
136 342
137static void want_poll (void) 343static void want_poll (void)
138{ 344{
139 /* write a dummy byte to the pipe so fh becomes ready */ 345 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 346 s_epipe_signal (&respipe);
141} 347}
142 348
143static void done_poll (void) 349static void done_poll (void)
144{ 350{
145 /* read any signals sent by the worker threads */ 351 /* read any signals sent by the worker threads */
146 char buf [4]; 352 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 353}
150 354
151/* must be called at most once */ 355/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 356static SV *req_sv (aio_req req, HV *stash)
153{ 357{
154 if (!req->self) 358 if (!req->self)
155 { 359 {
156 req->self = (SV *)newHV (); 360 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 361 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 362 }
159 363
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 364 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 365}
162 366
163static aio_req SvAIO_REQ (SV *sv) 367static aio_req SvAIO_REQ (SV *sv)
164{ 368{
165 MAGIC *mg; 369 MAGIC *mg;
166 370
167 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 371 if (!SvROK (sv)
372 || (SvSTASH (SvRV (sv)) != aio_grp_stash
373 && SvSTASH (SvRV (sv)) != aio_req_stash
374 && !sv_derived_from (sv, "IO::AIO::REQ")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 375 croak ("object of class IO::AIO::REQ expected");
169 376
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 377 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 378
172 return mg ? (aio_req)mg->mg_ptr : 0; 379 return mg ? (aio_req)mg->mg_ptr : 0;
173} 380}
179 dSP; 386 dSP;
180 387
181 ENTER; 388 ENTER;
182 SAVETMPS; 389 SAVETMPS;
183 PUSHMARK (SP); 390 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 391 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 392 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 393 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 394 SPAGAIN;
188 FREETMPS; 395 FREETMPS;
189 LEAVE; 396 LEAVE;
207 } 414 }
208} 415}
209 416
210static int req_invoke (eio_req *req) 417static int req_invoke (eio_req *req)
211{ 418{
212 dSP;
213
214 if (req->flags & FLAG_SV2_RO_OFF) 419 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2); 420 SvREADONLY_off (req->sv2);
216 421
217 if (!EIO_CANCELLED (req) && req->callback) 422 if (!EIO_CANCELLED (req) && req->callback)
218 { 423 {
424 dSP;
425 static SV *sv_result_cache; /* caches the result integer SV */
426 SV *sv_result;
427
219 ENTER; 428 ENTER;
220 SAVETMPS; 429 SAVETMPS;
221 PUSHMARK (SP); 430 PUSHMARK (SP);
222 EXTEND (SP, 1); 431 EXTEND (SP, 1);
432
433 /* do not recreate the result IV from scratch each time */
434 if (expect_true (sv_result_cache))
435 {
436 sv_result = sv_result_cache; sv_result_cache = 0;
437 SvIV_set (sv_result, req->result);
438 SvIOK_only (sv_result);
439 }
440 else
441 {
442 sv_result = newSViv (req->result);
443 SvREADONLY_on (sv_result);
444 }
223 445
224 switch (req->type) 446 switch (req->type)
225 { 447 {
226 case EIO_READDIR: 448 case EIO_READDIR:
227 { 449 {
228 SV *rv = &PL_sv_undef; 450 SV *rv = &PL_sv_undef;
229 451
230 if (req->result >= 0) 452 if (req->result >= 0)
231 { 453 {
232 int i; 454 int i;
233 char *buf = req->ptr2; 455 char *names = (char *)req->ptr2;
456 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 457 AV *av = newAV ();
235 458
236 av_extend (av, req->result - 1); 459 av_extend (av, req->result - 1);
237 460
238 for (i = 0; i < req->result; ++i) 461 for (i = 0; i < req->result; ++i)
239 { 462 {
240 SV *sv = newSVpv (buf, 0); 463 if (req->int1 & EIO_READDIR_DENTS)
464 {
465 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241 466
467 if (req->int1 & EIO_READDIR_CUSTOM2)
468 {
469 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
470 AV *avent = newAV ();
471
472 av_extend (avent, 2);
473
474 if (!sv_type [ent->type])
475 {
476 sv_type [ent->type] = newSViv (ent->type);
477 SvREADONLY_on (sv_type [ent->type]);
478 }
479
480 av_store (avent, 0, namesv);
481 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
482 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
483
484 av_store (av, i, newRV_noinc ((SV *)avent));
485 }
486 else
242 av_store (av, i, sv); 487 av_store (av, i, namesv);
488
489 ++ent;
490 }
491 else
492 {
493 SV *name = newSVpv (names, 0);
494 av_store (av, i, name);
243 buf += SvCUR (sv) + 1; 495 names += SvCUR (name) + 1;
496 }
244 } 497 }
245 498
246 rv = sv_2mortal (newRV_noinc ((SV *)av)); 499 rv = sv_2mortal (newRV_noinc ((SV *)av));
247 } 500 }
248 501
249 PUSHs (rv); 502 PUSHs (rv);
503
504 if (req->int1 & EIO_READDIR_CUSTOM1)
505 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
250 } 506 }
251 break; 507 break;
252 508
253 case EIO_OPEN: 509 case EIO_OPEN:
254 { 510 {
260 GV *gv = (GV *)sv_newmortal (); 516 GV *gv = (GV *)sv_newmortal ();
261 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 517 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
262 char sym [64]; 518 char sym [64];
263 int symlen; 519 int symlen;
264 520
265 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 521 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266 gv_init (gv, stash, sym, symlen, 0); 522 gv_init (gv, aio_stash, sym, symlen, 0);
267 523
268 symlen = snprintf ( 524 symlen = snprintf (
269 sym, 525 sym,
270 sizeof (sym), 526 sizeof (sym),
271 "%s&=%d", 527 "%s&=%d",
272 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 528 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273 req->result 529 (int)req->result
274 ); 530 );
275 531
276 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 532 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277 fh = (SV *)gv; 533 fh = (SV *)gv;
278 } 534 }
279 535
280 PUSHs (fh); 536 PUSHs (fh);
281 } 537 }
538 break;
539
540 case EIO_STATVFS:
541 case EIO_FSTATVFS:
542 {
543 SV *rv = &PL_sv_undef;
544
545#ifndef _WIN32
546 if (req->result >= 0)
547 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV ();
550
551 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
555 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 }
565#endif
566
567 PUSHs (rv);
568 }
569
282 break; 570 break;
283 571
284 case EIO_GROUP: 572 case EIO_GROUP:
285 req->int1 = 2; /* mark group as finished */ 573 req->int1 = 2; /* mark group as finished */
286 574
298 case EIO_NOP: 586 case EIO_NOP:
299 case EIO_BUSY: 587 case EIO_BUSY:
300 break; 588 break;
301 589
302 case EIO_READLINK: 590 case EIO_READLINK:
591 case EIO_REALPATH:
303 if (req->result > 0) 592 if (req->result > 0)
304 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 593 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
305 break; 594 break;
306 595
307 case EIO_STAT: 596 case EIO_STAT:
308 case EIO_LSTAT: 597 case EIO_LSTAT:
309 case EIO_FSTAT: 598 case EIO_FSTAT:
310 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 599 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
311 PL_laststatval = req->result; 600 PL_laststatval = req->result;
312 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 601 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
313 PUSHs (sv_2mortal (newSViv (req->result))); 602 PUSHs (sv_result);
314 break; 603 break;
315 604
316 case EIO_READ: 605 case EIO_READ:
606 {
317 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 607 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
318 *SvEND (req->sv2) = 0; 608 *SvEND (req->sv2) = 0;
319 PUSHs (sv_2mortal (newSViv (req->result))); 609 SvPOK_only (req->sv2);
610 SvSETMAGIC (req->sv2);
611 PUSHs (sv_result);
612 }
320 break; 613 break;
321 614
322 case EIO_DUP2: 615 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
323 if (req->result > 0) 616 if (req->result > 0)
324 req->result = 0; 617 SvIV_set (sv_result, 0);
325 /* FALLTHROUGH */ 618 /* FALLTHROUGH */
326 619
327 default: 620 default:
328 PUSHs (sv_2mortal (newSViv (req->result))); 621 PUSHs (sv_result);
329 break; 622 break;
330 } 623 }
331 624
332 errno = req->errorno; 625 errno = req->errorno;
333 626
334 PUTBACK; 627 PUTBACK;
335 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 628 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
336 SPAGAIN; 629 SPAGAIN;
630
631 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
632 SvREFCNT_dec (sv_result);
633 else
634 sv_result_cache = sv_result;
337 635
338 FREETMPS; 636 FREETMPS;
339 LEAVE; 637 LEAVE;
340 638
341 PUTBACK; 639 PUTBACK;
370 grp->sv2 = 0; 668 grp->sv2 = 0;
371 669
372 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
373} 671}
374 672
375#ifdef USE_SOCKETS_AS_HANDLES
376# define TO_SOCKET(x) (win32_get_osfhandle (x))
377#else
378# define TO_SOCKET(x) (x)
379#endif
380
381static void
382create_respipe (void) 673static void create_respipe (void)
383{ 674{
384 int old_readfd = respipe [0];
385
386 if (respipe [1] >= 0)
387 respipe_close (TO_SOCKET (respipe [1]));
388
389#ifdef _WIN32
390 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
391#else
392 if (pipe (respipe)) 675 if (s_epipe_renew (&respipe))
393#endif
394 croak ("unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
395
396 if (old_readfd >= 0)
397 {
398 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
399 croak ("unable to initialize result pipe(2)");
400
401 respipe_close (respipe [0]);
402 respipe [0] = old_readfd;
403 }
404
405#ifdef _WIN32
406 int arg = 1;
407 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
408 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
409#else
410 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
411 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
412#endif
413 croak ("unable to initialize result pipe(3)");
414
415 respipe_osf [0] = TO_SOCKET (respipe [0]);
416 respipe_osf [1] = TO_SOCKET (respipe [1]);
417} 677}
418 678
419static void poll_wait (void) 679static void poll_wait (void)
420{ 680{
421 fd_set rfd;
422
423 while (eio_nreqs ()) 681 while (eio_nreqs ())
424 { 682 {
425 int size; 683 int size;
426 684
427 X_LOCK (reslock); 685 X_LOCK (reslock);
431 if (size) 689 if (size)
432 return; 690 return;
433 691
434 etp_maybe_start_thread (); 692 etp_maybe_start_thread ();
435 693
436 FD_ZERO (&rfd); 694 s_epipe_wait (&respipe);
437 FD_SET (respipe [0], &rfd);
438
439 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
440 } 695 }
441} 696}
442 697
443static int poll_cb (void) 698static int poll_cb (void)
444{ 699{
459static void atfork_child (void) 714static void atfork_child (void)
460{ 715{
461 create_respipe (); 716 create_respipe ();
462} 717}
463 718
464static SV * 719/*****************************************************************************/
465get_cb (SV *cb_sv)
466{
467 HV *st;
468 GV *gvp;
469 CV *cv;
470 720
471 if (!SvOK (cb_sv)) 721#if !_POSIX_MAPPED_FILES
722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
723# define munmap(addr,length) (errno = ENOSYS, -1)
724#endif
725
726#if !_POSIX_MEMORY_PROTECTION
727# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
728# define PROT_NONE 0
729# define PROT_WRITE 0
730# define MAP_PRIVATE 0
731# define MAP_SHARED 0
732# define MAP_FIXED 0
733#endif
734
735#define MMAP_MAGIC PERL_MAGIC_ext
736
737static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
738{
739 int old_errno = errno;
740 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741 errno = old_errno;
742
743 mg->mg_obj = 0; /* just in case */
744
745 SvREADONLY_off (sv);
746
747 if (SvPVX (sv) != mg->mg_ptr)
748 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
749
750 SvCUR_set (sv, 0);
751 SvPVX (sv) = 0;
752 SvOK_off (sv);
753
472 return 0; 754 return 0;
755}
473 756
474 cv = sv_2cv (cb_sv, &st, &gvp, 0); 757static MGVTBL mmap_vtbl = {
758 0, 0, 0, 0, mmap_free
759};
475 760
476 if (!cv) 761/*****************************************************************************/
477 croak ("IO::AIO callback must be undef or a CODE reference");
478 762
479 return (SV *)cv; 763static SV * get_cb (SV *cb_sv)
764{
765 SvGETMAGIC (cb_sv);
766 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
480} 767}
481 768
482#define dREQ \ 769#define dREQ \
483 SV *cb_cv; \ 770 SV *cb_cv; \
484 aio_req req; \ 771 aio_req req; \
498 PUTBACK; \ 785 PUTBACK; \
499 req_submit (req); \ 786 req_submit (req); \
500 SPAGAIN; \ 787 SPAGAIN; \
501 \ 788 \
502 if (GIMME_V != G_VOID) \ 789 if (GIMME_V != G_VOID) \
503 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 790 XPUSHs (req_sv (req, aio_req_stash));
504 791
505MODULE = IO::AIO PACKAGE = IO::AIO 792MODULE = IO::AIO PACKAGE = IO::AIO
506 793
507PROTOTYPES: ENABLE 794PROTOTYPES: ENABLE
508 795
509BOOT: 796BOOT:
510{ 797{
798 static const struct {
799 const char *name;
800 IV iv;
801 } *civ, const_iv[] = {
802# define const_niv(name, value) { # name, (IV) value },
803# define const_iv(name) { # name, (IV) name },
804# define const_eio(name) { # name, (IV) EIO_ ## name },
805 const_iv (EXDEV)
806 const_iv (ENOSYS)
807 const_iv (O_RDONLY)
808 const_iv (O_WRONLY)
809 const_iv (O_RDWR)
810 const_iv (O_CREAT)
811 const_iv (O_TRUNC)
812 const_iv (O_EXCL)
813 const_iv (O_APPEND)
814
815 const_iv (O_ASYNC)
816 const_iv (O_DIRECT)
817 const_iv (O_NOATIME)
818
819 const_iv (O_CLOEXEC)
820 const_iv (O_NOCTTY)
821 const_iv (O_NOFOLLOW)
822 const_iv (O_NONBLOCK)
823 const_iv (O_EXEC)
824 const_iv (O_SEARCH)
825 const_iv (O_DIRECTORY)
826 const_iv (O_DSYNC)
827 const_iv (O_RSYNC)
828 const_iv (O_SYNC)
829 const_iv (O_TTY_INIT)
830
831 const_iv (S_IFIFO)
832 const_iv (S_IFCHR)
833 const_iv (S_IFBLK)
834 const_iv (S_IFLNK)
835 const_iv (S_IFREG)
836 const_iv (S_IFDIR)
837 const_iv (S_IFWHT)
838 const_iv (S_IFSOCK)
839 const_iv (S_IFMT)
840
841 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
842 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
843 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
844 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
845 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
846 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
847
848 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
849 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
850 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
851 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
852 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
853
854 const_iv (ST_RDONLY)
855 const_iv (ST_NOSUID)
856 const_iv (ST_NODEV)
857 const_iv (ST_NOEXEC)
858 const_iv (ST_SYNCHRONOUS)
859 const_iv (ST_MANDLOCK)
860 const_iv (ST_WRITE)
861 const_iv (ST_APPEND)
862 const_iv (ST_IMMUTABLE)
863 const_iv (ST_NOATIME)
864 const_iv (ST_NODIRATIME)
865 const_iv (ST_RELATIME)
866
867 const_iv (PROT_NONE)
868 const_iv (PROT_EXEC)
869 const_iv (PROT_READ)
870 const_iv (PROT_WRITE)
871
872 /*const_iv (MAP_FIXED)*/
873 const_iv (MAP_PRIVATE)
874 const_iv (MAP_SHARED)
875 const_iv (MAP_ANONYMOUS)
876
877 /* linuxish */
878 const_iv (MAP_HUGETLB)
879 const_iv (MAP_LOCKED)
880 const_iv (MAP_NORESERVE)
881 const_iv (MAP_POPULATE)
882 const_iv (MAP_NONBLOCK)
883
884 const_eio (MCL_FUTURE)
885 const_eio (MCL_CURRENT)
886
887 const_eio (MS_ASYNC)
888 const_eio (MS_INVALIDATE)
889 const_eio (MS_SYNC)
890
891 const_eio (MT_MODIFY)
892
893 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
894 const_eio (SYNC_FILE_RANGE_WRITE)
895 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896
897 const_eio (FALLOC_FL_KEEP_SIZE)
898
899 const_eio (READDIR_DENTS)
900 const_eio (READDIR_DIRS_FIRST)
901 const_eio (READDIR_STAT_ORDER)
902 const_eio (READDIR_FOUND_UNKNOWN)
903
904 const_eio (DT_UNKNOWN)
905 const_eio (DT_FIFO)
906 const_eio (DT_CHR)
907 const_eio (DT_DIR)
908 const_eio (DT_BLK)
909 const_eio (DT_REG)
910 const_eio (DT_LNK)
911 const_eio (DT_SOCK)
912 const_eio (DT_WHT)
913 };
914
511 stash = gv_stashpv ("IO::AIO", 1); 915 aio_stash = gv_stashpv ("IO::AIO" , 1);
916 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
512 918
513 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 919 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
514 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
515 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
516 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
517 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
518#ifndef _WIN32
519 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
520#endif
521 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
522 newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));
523 newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));
524 newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));
525 921
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923
526 create_respipe (); 924 create_respipe ();
527 925
528 if (eio_init (want_poll, done_poll) < 0) 926 if (eio_init (want_poll, done_poll) < 0)
529 croak ("IO::AIO: unable to initialise eio library"); 927 croak ("IO::AIO: unable to initialise eio library");
530 928
531 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
532 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
533} 931}
534 932
535void 933void
536max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
537 PROTOTYPE: $ 935 PROTOTYPE: $
538 CODE: 936 CODE:
539 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
540 938
541void 939void
543 PROTOTYPE: $ 941 PROTOTYPE: $
544 CODE: 942 CODE:
545 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
546 944
547void 945void
548min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
549 PROTOTYPE: $ 947 PROTOTYPE: $
550 CODE: 948 CODE:
551 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
552 950
553void 951void
554max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
555 PROTOTYPE: $ 953 PROTOTYPE: $
556 CODE: 954 CODE:
557 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
558 956
559void 957void
560max_idle (int nthreads) 958max_idle (unsigned int nthreads)
561 PROTOTYPE: $ 959 PROTOTYPE: $
562 CODE: 960 CODE:
563 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
564 962
565void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
566max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
567 PROTOTYPE: $ 971 PROTOTYPE: $
568 CODE: 972 CODE:
569 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
570 974
571void 975void
572aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 976aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
573 PROTOTYPE: $$$;$
574 PPCODE: 977 PPCODE:
575{ 978{
576 dREQ; 979 dREQ;
577 980
578 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
584 REQ_SEND; 987 REQ_SEND;
585} 988}
586 989
587void 990void
588aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
589 PROTOTYPE: $;$
590 ALIAS: 992 ALIAS:
591 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
592 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
593 PPCODE: 995 PPCODE:
594{ 996{
997 int fd = s_fileno_croak (fh, 0);
595 dREQ; 998 dREQ;
596 999
597 req->type = ix; 1000 req->type = ix;
598 req->sv1 = newSVsv (fh); 1001 req->sv1 = newSVsv (fh);
599 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1002 req->int1 = fd;
600 1003
601 REQ_SEND (req); 1004 REQ_SEND (req);
602} 1005}
603 1006
604void 1007void
605aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
606 PROTOTYPE: $$$$;$
607 PPCODE: 1009 PPCODE:
608{ 1010{
1011 int fd = s_fileno_croak (fh, 0);
609 dREQ; 1012 dREQ;
610 1013
611 req->type = EIO_SYNC_FILE_RANGE; 1014 req->type = EIO_SYNC_FILE_RANGE;
612 req->sv1 = newSVsv (fh); 1015 req->sv1 = newSVsv (fh);
613 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1016 req->int1 = fd;
614 req->offs = SvVAL64 (offset); 1017 req->offs = offset;
615 req->size = SvVAL64 (nbytes); 1018 req->size = nbytes;
616 req->int2 = flags; 1019 req->int2 = flags;
617 1020
618 REQ_SEND (req); 1021 REQ_SEND (req);
619} 1022}
620 1023
621void 1024void
1025aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1026 PPCODE:
1027{
1028 int fd = s_fileno_croak (fh, 0);
1029 dREQ;
1030
1031 req->type = EIO_FALLOCATE;
1032 req->sv1 = newSVsv (fh);
1033 req->int1 = fd;
1034 req->int2 = mode;
1035 req->offs = offset;
1036 req->size = len;
1037
1038 REQ_SEND (req);
1039}
1040
1041void
622aio_close (SV *fh, SV *callback=&PL_sv_undef) 1042aio_close (SV *fh, SV *callback=&PL_sv_undef)
623 PROTOTYPE: $;$
624 PPCODE: 1043 PPCODE:
625{ 1044{
626 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1045 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1046 int fd = s_fileno_croak (fh, 0);
627 dREQ; 1047 dREQ;
628 1048
629 if (close_pipe < 0) 1049 if (expect_false (close_fd < 0))
630 { 1050 {
1051#ifdef _WIN32
1052 close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);
1053#else
631 int pipefd [2]; 1054 int pipefd [2];
632 1055
633 if (pipe (pipefd) < 0 1056 if (pipe (pipefd) < 0
634 || close (pipefd [1]) < 0 1057 || close (pipefd [1]) < 0
635 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1058 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
636 abort (); /*D*/ 1059 abort (); /*D*/
637 1060
638 close_pipe = pipefd [0]; 1061 close_fd = pipefd [0];
1062#endif
639 } 1063 }
640 1064
641 req->type = EIO_DUP2; 1065 req->type = EIO_DUP2;
642 req->int1 = close_pipe; 1066 req->int1 = close_fd;
643 req->sv2 = newSVsv (fh); 1067 req->sv2 = newSVsv (fh);
644 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1068 req->int2 = fd;
645 1069
646 REQ_SEND (req); 1070 REQ_SEND (req);
647} 1071}
648 1072
649void 1073void
650aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1074aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
651 ALIAS: 1075 ALIAS:
652 aio_read = EIO_READ 1076 aio_read = EIO_READ
653 aio_write = EIO_WRITE 1077 aio_write = EIO_WRITE
654 PROTOTYPE: $$$$$;$
655 PPCODE: 1078 PPCODE:
656{ 1079{
657 STRLEN svlen; 1080 STRLEN svlen;
1081 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
658 char *svptr = SvPVbyte (data, svlen); 1082 char *svptr = SvPVbyte (data, svlen);
659 UV len = SvUV (length); 1083 UV len = SvUV (length);
660 int fd;
661
662 if (SvTYPE (data) > SVt_PVMG)
663 croak ("illegal data argument '%s', must be plain scalar string", SvPV_nolen (data));
664
665 SvUPGRADE (data, SVt_PV);
666 SvPOK_only (data);
667 1084
668 if (dataoffset < 0) 1085 if (dataoffset < 0)
669 dataoffset += svlen; 1086 dataoffset += svlen;
670 1087
671 if (dataoffset < 0 || dataoffset > svlen) 1088 if (dataoffset < 0 || dataoffset > svlen)
677 if (!SvOK (length) || len + dataoffset > svlen) 1094 if (!SvOK (length) || len + dataoffset > svlen)
678 len = svlen - dataoffset; 1095 len = svlen - dataoffset;
679 } 1096 }
680 else 1097 else
681 { 1098 {
682 /* read: grow scalar as necessary */ 1099 /* read: check type and grow scalar as necessary */
1100 SvUPGRADE (data, SVt_PV);
683 svptr = SvGROW (data, len + dataoffset + 1); 1101 svptr = SvGROW (data, len + dataoffset + 1);
684 } 1102 }
685
686 if (len < 0)
687 croak ("length must not be negative");
688
689 fd = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))
690 : IoOFP (sv_2io (fh)));
691
692 if (fd < 0)
693 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
694 1103
695 { 1104 {
696 dREQ; 1105 dREQ;
697 1106
698 req->type = ix; 1107 req->type = ix;
714 } 1123 }
715} 1124}
716 1125
717void 1126void
718aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1127aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
719 PROTOTYPE: $$;$ 1128 ALIAS:
1129 aio_readlink = EIO_READLINK
1130 aio_realpath = EIO_REALPATH
720 PPCODE: 1131 PPCODE:
721{ 1132{
722 SV *data; 1133 SV *data;
723 dREQ; 1134 dREQ;
724 1135
725 req->type = EIO_READLINK; 1136 req->type = ix;
726 req->sv1 = newSVsv (path); 1137 req->sv1 = newSVsv (path);
727 req->ptr1 = SvPVbyte_nolen (req->sv1); 1138 req->ptr1 = SvPVbyte_nolen (req->sv1);
728 1139
729 REQ_SEND; 1140 REQ_SEND;
730} 1141}
731 1142
732void 1143void
733aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1144aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
734 PROTOTYPE: $$$$;$
735 PPCODE: 1145 PPCODE:
736{ 1146{
1147 int ifd = s_fileno_croak (in_fh , 0);
1148 int ofd = s_fileno_croak (out_fh, 1);
737 dREQ; 1149 dREQ;
738 1150
739 req->type = EIO_SENDFILE; 1151 req->type = EIO_SENDFILE;
740 req->sv1 = newSVsv (out_fh); 1152 req->sv1 = newSVsv (out_fh);
741 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1153 req->int1 = ofd;
742 req->sv2 = newSVsv (in_fh); 1154 req->sv2 = newSVsv (in_fh);
743 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1155 req->int2 = ifd;
744 req->offs = SvVAL64 (in_offset); 1156 req->offs = in_offset;
745 req->size = length; 1157 req->size = length;
746 1158
747 REQ_SEND; 1159 REQ_SEND;
748} 1160}
749 1161
750void 1162void
751aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1163aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
752 PROTOTYPE: $$$;$
753 PPCODE: 1164 PPCODE:
754{ 1165{
1166 int fd = s_fileno_croak (fh, 0);
755 dREQ; 1167 dREQ;
756 1168
757 req->type = EIO_READAHEAD; 1169 req->type = EIO_READAHEAD;
758 req->sv1 = newSVsv (fh); 1170 req->sv1 = newSVsv (fh);
759 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1171 req->int1 = fd;
760 req->offs = SvVAL64 (offset); 1172 req->offs = offset;
761 req->size = length; 1173 req->size = length;
762 1174
763 REQ_SEND; 1175 REQ_SEND;
764} 1176}
765 1177
766void 1178void
767aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1179aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
768 ALIAS: 1180 ALIAS:
769 aio_stat = EIO_STAT 1181 aio_stat = EIO_STAT
770 aio_lstat = EIO_LSTAT 1182 aio_lstat = EIO_LSTAT
1183 aio_statvfs = EIO_STATVFS
771 PPCODE: 1184 PPCODE:
772{ 1185{
773 dREQ; 1186 dREQ;
774 1187
775 req->sv1 = newSVsv (fh_or_path); 1188 req->sv1 = newSVsv (fh_or_path);
779 req->type = ix; 1192 req->type = ix;
780 req->ptr1 = SvPVbyte_nolen (req->sv1); 1193 req->ptr1 = SvPVbyte_nolen (req->sv1);
781 } 1194 }
782 else 1195 else
783 { 1196 {
784 req->type = EIO_FSTAT; 1197 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
785 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1198 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
786 } 1199 }
787 1200
788 REQ_SEND; 1201 REQ_SEND;
789} 1202}
1203
1204UV
1205major (UV dev)
1206 ALIAS:
1207 minor = 1
1208 CODE:
1209 RETVAL = ix ? major (dev) : minor (dev);
1210 OUTPUT:
1211 RETVAL
1212
1213UV
1214makedev (UV maj, UV min)
1215 CODE:
1216 RETVAL = makedev (maj, min);
1217 OUTPUT:
1218 RETVAL
790 1219
791void 1220void
792aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1221aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
793 PPCODE: 1222 PPCODE:
794{ 1223{
884 1313
885 REQ_SEND; 1314 REQ_SEND;
886} 1315}
887 1316
888void 1317void
1318aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
1319 PPCODE:
1320{
1321 dREQ;
1322
1323 req->type = EIO_READDIR;
1324 req->sv1 = newSVsv (pathname);
1325 req->ptr1 = SvPVbyte_nolen (req->sv1);
1326 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1327
1328 if (flags & EIO_READDIR_DENTS)
1329 req->int1 |= EIO_READDIR_CUSTOM2;
1330
1331 REQ_SEND;
1332}
1333
1334void
889aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1335aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
890 ALIAS: 1336 ALIAS:
891 aio_unlink = EIO_UNLINK 1337 aio_unlink = EIO_UNLINK
892 aio_rmdir = EIO_RMDIR 1338 aio_rmdir = EIO_RMDIR
893 aio_readdir = EIO_READDIR 1339 aio_readdir = EIO_READDIR
935 1381
936 REQ_SEND; 1382 REQ_SEND;
937} 1383}
938 1384
939void 1385void
1386aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1387 ALIAS:
1388 aio_mtouch = EIO_MTOUCH
1389 aio_msync = EIO_MSYNC
1390 PPCODE:
1391{
1392 STRLEN svlen;
1393 char *svptr = SvPVbyte (data, svlen);
1394 UV len = SvUV (length);
1395
1396 if (offset < 0)
1397 offset += svlen;
1398
1399 if (offset < 0 || offset > svlen)
1400 croak ("offset outside of scalar");
1401
1402 if (!SvOK (length) || len + offset > svlen)
1403 len = svlen - offset;
1404
1405 {
1406 dREQ;
1407
1408 req->type = ix;
1409 req->sv2 = SvREFCNT_inc (data);
1410 req->ptr2 = (char *)svptr + offset;
1411 req->size = len;
1412 req->int1 = flags;
1413
1414 REQ_SEND;
1415 }
1416}
1417
1418void
1419aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1420 PPCODE:
1421{
1422 STRLEN svlen;
1423 char *svptr = SvPVbyte (data, svlen);
1424 UV len = SvUV (length);
1425
1426 if (offset < 0)
1427 offset += svlen;
1428
1429 if (offset < 0 || offset > svlen)
1430 croak ("offset outside of scalar");
1431
1432 if (!SvOK (length) || len + offset > svlen)
1433 len = svlen - offset;
1434
1435 {
1436 dREQ;
1437
1438 req->type = EIO_MLOCK;
1439 req->sv2 = SvREFCNT_inc (data);
1440 req->ptr2 = (char *)svptr + offset;
1441 req->size = len;
1442
1443 REQ_SEND;
1444 }
1445}
1446
1447void
1448aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1449 PPCODE:
1450{
1451 dREQ;
1452
1453 req->type = EIO_MLOCKALL;
1454 req->int1 = flags;
1455
1456 REQ_SEND;
1457}
1458
1459void
940aio_busy (double delay, SV *callback=&PL_sv_undef) 1460aio_busy (double delay, SV *callback=&PL_sv_undef)
941 PPCODE: 1461 PPCODE:
942{ 1462{
943 dREQ; 1463 dREQ;
944 1464
948 REQ_SEND; 1468 REQ_SEND;
949} 1469}
950 1470
951void 1471void
952aio_group (SV *callback=&PL_sv_undef) 1472aio_group (SV *callback=&PL_sv_undef)
953 PROTOTYPE: ;$
954 PPCODE: 1473 PPCODE:
955{ 1474{
956 dREQ; 1475 dREQ;
957 1476
958 req->type = EIO_GROUP; 1477 req->type = EIO_GROUP;
959 1478
960 req_submit (req); 1479 req_submit (req);
961 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1480 XPUSHs (req_sv (req, aio_grp_stash));
962} 1481}
963 1482
964void 1483void
965aio_nop (SV *callback=&PL_sv_undef) 1484aio_nop (SV *callback=&PL_sv_undef)
966 ALIAS: 1485 ALIAS:
975 REQ_SEND; 1494 REQ_SEND;
976} 1495}
977 1496
978int 1497int
979aioreq_pri (int pri = 0) 1498aioreq_pri (int pri = 0)
980 PROTOTYPE: ;$
981 CODE: 1499 CODE:
982 RETVAL = next_pri; 1500 RETVAL = next_pri;
983 if (items > 0) 1501 if (items > 0)
984 { 1502 {
985 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1503 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
997 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1515 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
998 next_pri = nice; 1516 next_pri = nice;
999 1517
1000void 1518void
1001flush () 1519flush ()
1002 PROTOTYPE:
1003 CODE: 1520 CODE:
1004 while (eio_nreqs ()) 1521 while (eio_nreqs ())
1005 { 1522 {
1006 poll_wait (); 1523 poll_wait ();
1007 poll_cb (); 1524 poll_cb ();
1008 } 1525 }
1009 1526
1010int 1527int
1011poll() 1528poll ()
1012 PROTOTYPE:
1013 CODE: 1529 CODE:
1014 poll_wait (); 1530 poll_wait ();
1015 RETVAL = poll_cb (); 1531 RETVAL = poll_cb ();
1016 OUTPUT: 1532 OUTPUT:
1017 RETVAL 1533 RETVAL
1018 1534
1019int 1535int
1020poll_fileno() 1536poll_fileno ()
1021 PROTOTYPE:
1022 CODE: 1537 CODE:
1023 RETVAL = respipe [0]; 1538 RETVAL = s_epipe_fd (&respipe);
1024 OUTPUT: 1539 OUTPUT:
1025 RETVAL 1540 RETVAL
1026 1541
1027int 1542int
1028poll_cb(...) 1543poll_cb (...)
1029 PROTOTYPE: 1544 PROTOTYPE:
1030 CODE: 1545 CODE:
1031 RETVAL = poll_cb (); 1546 RETVAL = poll_cb ();
1032 OUTPUT: 1547 OUTPUT:
1033 RETVAL 1548 RETVAL
1034 1549
1035void 1550void
1036poll_wait() 1551poll_wait ()
1037 PROTOTYPE:
1038 CODE: 1552 CODE:
1039 poll_wait (); 1553 poll_wait ();
1040 1554
1041int 1555int
1042nreqs() 1556nreqs ()
1043 PROTOTYPE:
1044 CODE: 1557 CODE:
1045 RETVAL = eio_nreqs (); 1558 RETVAL = eio_nreqs ();
1046 OUTPUT: 1559 OUTPUT:
1047 RETVAL 1560 RETVAL
1048 1561
1049int 1562int
1050nready() 1563nready ()
1051 PROTOTYPE:
1052 CODE: 1564 CODE:
1053 RETVAL = eio_nready (); 1565 RETVAL = eio_nready ();
1054 OUTPUT: 1566 OUTPUT:
1055 RETVAL 1567 RETVAL
1056 1568
1057int 1569int
1058npending() 1570npending ()
1059 PROTOTYPE:
1060 CODE: 1571 CODE:
1061 RETVAL = eio_npending (); 1572 RETVAL = eio_npending ();
1062 OUTPUT: 1573 OUTPUT:
1063 RETVAL 1574 RETVAL
1064 1575
1065int 1576int
1066nthreads() 1577nthreads ()
1067 PROTOTYPE:
1068 CODE: 1578 CODE:
1069 RETVAL = eio_nthreads (); 1579 RETVAL = eio_nthreads ();
1070 OUTPUT: 1580 OUTPUT:
1071 RETVAL 1581 RETVAL
1072 1582
1583int
1584fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1585 CODE:
1586 RETVAL = posix_fadvise (fh, offset, length, advice);
1587 OUTPUT:
1588 RETVAL
1589
1590ssize_t
1591sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1592 CODE:
1593 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1594 OUTPUT:
1595 RETVAL
1596
1597void
1598mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1599 PPCODE:
1600 sv_unmagic (scalar, MMAP_MAGIC);
1601{
1602 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1603 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1604 if (addr == (void *)-1)
1605 XSRETURN_NO;
1606
1607 sv_force_normal (scalar);
1608
1609 /* we store the length in mg_obj, as namlen is I32 :/ */
1610 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1611 ->mg_obj = (SV *)length;
1612
1613 SvUPGRADE (scalar, SVt_PV); /* nop... */
1614
1615 if (!(prot & PROT_WRITE))
1616 SvREADONLY_on (scalar);
1617
1618 if (SvLEN (scalar))
1619 Safefree (SvPVX (scalar));
1620
1621 SvPVX (scalar) = (char *)addr;
1622 SvCUR_set (scalar, length);
1623 SvLEN_set (scalar, 0);
1624 SvPOK_only (scalar);
1625
1626 XSRETURN_YES;
1627}
1628
1629void
1630munmap (SV *scalar)
1631 CODE:
1632 sv_unmagic (scalar, MMAP_MAGIC);
1633
1634int
1635madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1636 ALIAS:
1637 mprotect = 1
1638 CODE:
1639{
1640 STRLEN svlen;
1641 void *addr = SvPVbyte (scalar, svlen);
1642 size_t len = SvUV (length);
1643
1644 if (offset < 0)
1645 offset += svlen;
1646
1647 if (offset < 0 || offset > svlen)
1648 croak ("offset outside of scalar");
1649
1650 if (!SvOK (length) || len + offset > svlen)
1651 len = svlen - offset;
1652
1653 addr = (void *)(((intptr_t)addr) + offset);
1654 eio_page_align (&addr, &len);
1655
1656 switch (ix)
1657 {
1658 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1659 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1660 }
1661}
1662 OUTPUT:
1663 RETVAL
1664
1665int
1666munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1667 CODE:
1668{
1669 STRLEN svlen;
1670 void *addr = SvPVbyte (scalar, svlen);
1671 size_t len = SvUV (length);
1672
1673 if (offset < 0)
1674 offset += svlen;
1675
1676 if (offset < 0 || offset > svlen)
1677 croak ("offset outside of scalar");
1678
1679 if (!SvOK (length) || len + offset > svlen)
1680 len = svlen - offset;
1681
1682 addr = (void *)(((intptr_t)addr) + offset);
1683 eio_page_align (&addr, &len);
1684#if _POSIX_MEMLOCK_RANGE
1685 RETVAL = munlock (addr, len);
1686#else
1687 RETVAL = ((errno = ENOSYS), -1);
1688#endif
1689}
1690 OUTPUT:
1691 RETVAL
1692
1693int
1694munlockall ()
1695 CODE:
1696#if _POSIX_MEMLOCK
1697 munlockall ();
1698#else
1699 RETVAL = -1;
1700 errno = ENOSYS;
1701#endif
1702 OUTPUT:
1703 RETVAL
1704
1073void _on_next_submit (SV *cb) 1705void _on_next_submit (SV *cb)
1074 CODE: 1706 CODE:
1075 SvREFCNT_dec (on_next_submit); 1707 SvREFCNT_dec (on_next_submit);
1076 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1708 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1077 1709
1091 if (GIMME_V != G_VOID) 1723 if (GIMME_V != G_VOID)
1092 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1724 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1093 1725
1094 if (items > 1) 1726 if (items > 1)
1095 { 1727 {
1096 SV *cb_cv = get_cb (callback); 1728 SV *cb_cv =get_cb (callback);
1097 1729
1098 SvREFCNT_dec (req->callback); 1730 SvREFCNT_dec (req->callback);
1099 req->callback = SvREFCNT_inc (cb_cv); 1731 req->callback = SvREFCNT_inc (cb_cv);
1100 } 1732 }
1101} 1733}
1138 AV *av; 1770 AV *av;
1139 1771
1140 grp->errorno = errno; 1772 grp->errorno = errno;
1141 1773
1142 av = newAV (); 1774 av = newAV ();
1775 av_extend (av, items - 1);
1143 1776
1144 for (i = 1; i < items; ++i ) 1777 for (i = 1; i < items; ++i )
1145 av_push (av, newSVsv (ST (i))); 1778 av_push (av, newSVsv (ST (i)));
1146 1779
1147 SvREFCNT_dec (grp->sv1); 1780 SvREFCNT_dec (grp->sv1);

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