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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 1.276 by root, Wed Apr 3 03:03:53 2019 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#include "perliol.h"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <limits.h> 20#include <limits.h>
17#include <fcntl.h> 21#include <fcntl.h>
18#include <sched.h> 22#include <sched.h>
19 23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
36#endif
37
20/* perl namespace pollution */ 38/* perl namespace pollution */
21#undef VERSION 39#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 40
72/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
73/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
74#undef readdir 43#undef readdir
75#undef opendir 44#undef opendir
76#undef closedir 45#undef closedir
77 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
78#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
79 84
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else 85#else
86# define VAL64 NV 86
87# define SvVAL64 SvNV 87 #include <sys/time.h>
88# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <unistd.h>
90 #include <utime.h>
91 #include <signal.h>
92
93 #define EIO_STRUCT_STAT Stat_t
94
89#endif 95#endif
90 96
91/*****************************************************************************/ 97/*****************************************************************************/
92 98
93#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
101 107
102/*****************************************************************************/ 108/*****************************************************************************/
103 109
104static HV *stash; 110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
171
105typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
108 175
109#define AIO_REQ_KLASS "IO::AIO::REQ" 176static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 177
112#define EIO_REQ_MEMBERS \ 178#define EIO_REQ_MEMBERS \
113 SV *callback; \ 179 SV *callback; \
114 SV *sv1, *sv2; \ 180 SV *sv1, *sv2; \
181 SV *sv3, *sv4; \
115 STRLEN stroffset; \ 182 STRLEN stroffset; \
116 SV *self; 183 SV *self;
117 184
118#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
119 186
120#include "libeio/eio.h" 187#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
146 188
147static int req_invoke (eio_req *req); 189static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 190#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 191static void req_destroy (eio_req *grp);
150#define EIO_DESTROY(req) req_destroy (req) 192#define EIO_DESTROY(req) req_destroy (req)
151 193
194#include "libeio/eio.c"
195
196#if !HAVE_POSIX_FADVISE
197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
198#endif
199
200#if !HAVE_POSIX_MADVISE
201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
202#endif
203
204#ifndef MAP_ANONYMOUS
205# ifdef MAP_ANON
206# define MAP_ANONYMOUS MAP_ANON
207# else
208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
209# endif
210#endif
211
212#ifndef makedev
213# define makedev(maj,min) (((maj) << 8) | (min))
214#endif
215#ifndef major
216# define major(dev) ((dev) >> 8)
217#endif
218#ifndef minor
219# define minor(dev) ((dev) & 0xff)
220#endif
221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
228# define PAGESIZE sysconf (_SC_PAGESIZE)
229#endif
230
231/*****************************************************************************/
232
233#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS ()
236#endif
237
238#if !_POSIX_MEMORY_PROTECTION
239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
244#endif
245
246#define FOREIGN_MAGIC PERL_MAGIC_ext
247
248static int ecb_cold
249mmap_free (pTHX_ SV *sv, MAGIC *mg)
250{
251 int old_errno = errno;
252 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
253 errno = old_errno;
254
255 mg->mg_obj = 0; /* just in case */
256
257 SvREADONLY_off (sv);
258
259 if (SvPVX (sv) != mg->mg_ptr)
260 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
261
262 SvCUR_set (sv, 0);
263 SvPVX (sv) = 0;
264 SvOK_off (sv);
265
266 return 0;
267}
268
269static MGVTBL mmap_vtbl = {
270 0, 0, 0, 0, mmap_free
271};
272
273static int ecb_cold
274sysfree_free (pTHX_ SV *sv, MAGIC *mg)
275{
276 free (mg->mg_ptr);
277 mg->mg_obj = 0; /* just in case */
278
279 SvREADONLY_off (sv);
280
281 if (SvPVX (sv) != mg->mg_ptr)
282 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
283
284 SvCUR_set (sv, 0);
285 SvPVX (sv) = 0;
286 SvOK_off (sv);
287
288 return 0;
289}
290
291static MGVTBL sysfree_vtbl = {
292 0, 0, 0, 0, sysfree_free
293};
294
295/*****************************************************************************/
296
297/* helper: set scalar to foreign ptr with custom free */
298ecb_noinline
299static void
300sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
301{
302 sv_force_normal (sv);
303
304 /* we store the length in mg_obj, as namlen is I32 :/ */
305 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
306 ->mg_obj = (SV *)length;
307
308 SvUPGRADE (sv, SVt_PV); /* nop... */
309
310 if (SvLEN (sv))
311 Safefree (SvPVX (sv));
312
313 SvPVX (sv) = (char *)addr;
314 SvCUR_set (sv, length);
315 SvLEN_set (sv, 0);
316 SvPOK_only (sv);
317}
318
319static void
320sv_clear_foreign (SV *sv)
321{
322 /* todo: iterate over magic and only free ours, but of course */
323 /* the perl5porters will call that (correct) behaviour buggy */
324 sv_unmagic (sv, FOREIGN_MAGIC);
325}
326
327/*****************************************************************************/
328
329/* defines all sorts of constants to 0 unless they are already defined */
330/* also provides const_iv_ and const_niv_ macros for them */
331#include "def0.h"
332
333/*****************************************************************************/
334
335static void
336fiemap (eio_req *req)
337{
338 req->result = -1;
339
340#if HAVE_FIEMAP
341 /* assume some c99 */
342 struct fiemap *fiemap = 0;
343 size_t end_offset;
344 int count = req->int3;
345
346 req->flags |= EIO_FLAG_PTR1_FREE;
347
348 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
349 /* increase in 3.5kb steps */
350 if (count < 0)
351 count = 8;
352
353 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
354 errno = ENOMEM;
355 if (!fiemap)
356 return;
357
358 req->ptr1 = fiemap;
359
360 fiemap->fm_start = req->offs;
361 fiemap->fm_length = req->size;
362 fiemap->fm_flags = req->int2;
363 fiemap->fm_extent_count = count;
364
365 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
366 return;
367
368 if (req->int3 >= 0 /* not autosizing */
369 || !fiemap->fm_mapped_extents /* no more extents */
370 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
371 goto done;
372
373 /* else we have to loop -
374 * it would be tempting (actually I tried that first) to just query the
375 * number of extents needed, but linux often feels like not returning all
376 * extents, without telling us it left any out. this complicates
377 * this quite a bit.
378 */
379
380 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
381
382 for (;;)
383 {
384 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
385 char scratch[3072];
386 struct fiemap *incmap = (struct fiemap *)scratch;
387
388 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
389 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
390 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
391 incmap->fm_flags = fiemap->fm_flags;
392 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
393
394 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
395 return;
396
397 if (!incmap->fm_mapped_extents)
398 goto done;
399
400 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
401 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
402 errno = ENOMEM;
403 if (!fiemap)
404 return;
405
406 req->ptr1 = fiemap;
407
408 for (count = 0; count < incmap->fm_mapped_extents; ++count)
409 {
410 struct fiemap_extent *e = incmap->fm_extents + count;
411
412 if (e->fe_logical + e->fe_length >= end_offset)
413 goto done;
414
415 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
416
417 if (e->fe_flags & FIEMAP_EXTENT_LAST)
418 goto done;
419
420 }
421 }
422
423done:
424 req->result = 0;
425
426#else
427 errno = ENOSYS;
428#endif
429}
430
431/*****************************************************************************/
432
433static int close_fd; /* dummy fd to close fds via dup2 */
434
435#if HAVE_STATX
436static struct statx stx;
437#define statx_offsetof(member) offsetof (struct statx, member)
438#define eio__statx statx
439#else
440#define statx_offsetof(member) 0
441#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
442#endif
443
152enum { 444enum {
153 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 445 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
154}; 446};
155 447
156#include "libeio/eio.c"
157
158typedef eio_req *aio_req; 448typedef eio_req *aio_req;
159typedef eio_req *aio_req_ornot; 449typedef eio_req *aio_req_ornot;
450typedef eio_wd aio_wd;
160 451
161static SV *on_next_submit; 452static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 453static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 454static int max_outstanding;
164 455
165static int respipe_osf [2];
166static s_epipe respipe; 456static s_epipe respipe;
167 457
168static void req_destroy (aio_req req); 458static void req_destroy (aio_req req);
169static void req_cancel (aio_req req); 459static void req_cancel (aio_req req);
170 460
171static void want_poll (void) 461static void
462want_poll (void)
172{ 463{
173 /* write a dummy byte to the pipe so fh becomes ready */ 464 /* write a dummy byte to the pipe so fh becomes ready */
174 s_epipe_signal (&respipe); 465 s_epipe_signal (&respipe);
175} 466}
176 467
177static void done_poll (void) 468static void
469done_poll (void)
178{ 470{
179 /* read any signals sent by the worker threads */ 471 /* read any signals sent by the worker threads */
180 s_epipe_drain (&respipe); 472 s_epipe_drain (&respipe);
181} 473}
182 474
183/* must be called at most once */ 475/* must be called at most once */
184static SV *req_sv (aio_req req, const char *klass) 476ecb_noinline
477static SV *
478req_sv (aio_req req, HV *stash)
185{ 479{
186 if (!req->self) 480 if (!req->self)
187 { 481 {
188 req->self = (SV *)newHV (); 482 req->self = (SV *)newHV ();
189 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 483 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190 } 484 }
191 485
192 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 486 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193} 487}
194 488
195static aio_req SvAIO_REQ (SV *sv) 489static SV *
490newSVaio_wd (aio_wd wd)
491{
492 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
493}
494
495ecb_noinline
496static aio_req
497SvAIO_REQ (SV *sv)
196{ 498{
197 MAGIC *mg; 499 MAGIC *mg;
198 500
199 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 501 if (!SvROK (sv)
502 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
503 || (SvSTASH (SvRV (sv)) != aio_grp_stash
504 && SvSTASH (SvRV (sv)) != aio_req_stash
505 && !sv_derived_from (sv, "IO::AIO::REQ")))
200 croak ("object of class " AIO_REQ_KLASS " expected"); 506 croak ("object of class IO::AIO::REQ expected");
201 507
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 508 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 509
204 return mg ? (aio_req)mg->mg_ptr : 0; 510 return mg ? (aio_req)mg->mg_ptr : 0;
205} 511}
206 512
513static aio_wd
514SvAIO_WD (SV *sv)
515{
516 if (!SvROK (sv)
517 || SvTYPE (SvRV (sv)) != SVt_PVMG
518 || SvSTASH (SvRV (sv)) != aio_wd_stash)
519 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
520
521 return (aio_wd)(long)SvIVX (SvRV (sv));
522}
523
524static SV *
525newmortalFH (int fd, int flags)
526{
527 if (fd < 0)
528 return &PL_sv_undef;
529
530 GV *gv = (GV *)sv_newmortal ();
531 char sym[64];
532 int symlen;
533
534 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
535 gv_init (gv, aio_stash, sym, symlen, 0);
536
537 symlen = snprintf (
538 sym,
539 sizeof (sym),
540 "%s&=%d",
541 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
542 fd
543 );
544
545 return do_open (gv, sym, symlen, 0, 0, 0, 0)
546 ? (SV *)gv : &PL_sv_undef;
547}
548
549static void
207static void aio_grp_feed (aio_req grp) 550aio_grp_feed (aio_req grp)
208{ 551{
209 if (grp->sv2 && SvOK (grp->sv2)) 552 if (grp->sv2 && SvOK (grp->sv2))
210 { 553 {
211 dSP; 554 dSP;
212 555
213 ENTER; 556 ENTER;
214 SAVETMPS; 557 SAVETMPS;
215 PUSHMARK (SP); 558 PUSHMARK (SP);
216 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 559 XPUSHs (req_sv (grp, aio_grp_stash));
217 PUTBACK; 560 PUTBACK;
218 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 561 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
219 SPAGAIN; 562 SPAGAIN;
220 FREETMPS; 563 FREETMPS;
221 LEAVE; 564 LEAVE;
222 } 565 }
223} 566}
224 567
568ecb_noinline
569static void
225static void req_submit (eio_req *req) 570req_submit (eio_req *req)
226{ 571{
227 eio_submit (req); 572 eio_submit (req);
228 573
229 if (expect_false (on_next_submit)) 574 if (expect_false (on_next_submit))
230 { 575 {
… …
237 PUTBACK; 582 PUTBACK;
238 call_sv (cb, G_DISCARD | G_EVAL); 583 call_sv (cb, G_DISCARD | G_EVAL);
239 } 584 }
240} 585}
241 586
587static int
242static int req_invoke (eio_req *req) 588req_invoke (eio_req *req)
243{ 589{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 590 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 591 SvREADONLY_off (req->sv2);
248 592
249 if (!EIO_CANCELLED (req) && req->callback) 593 if (!EIO_CANCELLED (req) && req->callback)
250 { 594 {
595 dSP;
596 static SV *sv_result_cache; /* caches the result integer SV */
597 SV *sv_result;
598
251 ENTER; 599 ENTER;
252 SAVETMPS; 600 SAVETMPS;
253 PUSHMARK (SP); 601 PUSHMARK (SP);
254 EXTEND (SP, 1); 602 EXTEND (SP, 1);
255 603
604 /* do not recreate the result IV from scratch each time */
605 if (expect_true (sv_result_cache))
606 {
607 sv_result = sv_result_cache; sv_result_cache = 0;
608 SvIV_set (sv_result, req->result);
609 SvIOK_only (sv_result);
610 }
611 else
612 {
613 sv_result = newSViv (req->result);
614 SvREADONLY_on (sv_result);
615 }
616
256 switch (req->type) 617 switch (req->type)
257 { 618 {
619 case EIO_WD_OPEN:
620 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
621 break;
622
258 case EIO_READDIR: 623 case EIO_READDIR:
259 { 624 {
260 SV *rv = &PL_sv_undef; 625 SV *rv = &PL_sv_undef;
261 626
262 if (req->result >= 0) 627 if (req->result >= 0)
… …
315 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 680 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
316 } 681 }
317 break; 682 break;
318 683
319 case EIO_OPEN: 684 case EIO_OPEN:
685 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
686 break;
687
688 case EIO_STATVFS:
689 case EIO_FSTATVFS:
320 { 690 {
321 /* convert fd to fh */
322 SV *fh = &PL_sv_undef; 691 SV *rv = &PL_sv_undef;
323 692
693#ifndef _WIN32
324 if (req->result >= 0) 694 if (req->result >= 0)
325 { 695 {
696 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
326 GV *gv = (GV *)sv_newmortal (); 697 HV *hv = newHV ();
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 698 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
328 char sym [64]; 699 * chooses to make it a struct.
329 int symlen;
330 700 */
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 701 unsigned long fsid = 0;
332 gv_init (gv, stash, sym, symlen, 0); 702 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
333 703
334 symlen = snprintf ( 704 rv = sv_2mortal (newRV_noinc ((SV *)hv));
335 sym,
336 sizeof (sym),
337 "%s&=%d",
338 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
339 (int)req->result
340 );
341 705
342 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 706 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
343 fh = (SV *)gv; 707 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
708 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
709 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
710 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
711 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
712 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
713 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
714 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
715 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
716 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
344 } 717 }
718#endif
345 719
346 PUSHs (fh); 720 PUSHs (rv);
347 } 721 }
722
348 break; 723 break;
349 724
350 case EIO_GROUP: 725 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 726 req->int1 = 2; /* mark group as finished */
352 727
… …
364 case EIO_NOP: 739 case EIO_NOP:
365 case EIO_BUSY: 740 case EIO_BUSY:
366 break; 741 break;
367 742
368 case EIO_READLINK: 743 case EIO_READLINK:
744 case EIO_REALPATH:
369 if (req->result > 0) 745 if (req->result > 0)
370 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 746 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371 break; 747 break;
372 748
373 case EIO_STAT: 749 case EIO_STAT:
374 case EIO_LSTAT: 750 case EIO_LSTAT:
375 case EIO_FSTAT: 751 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 752 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
753
377 PL_laststatval = req->result; 754 if (!(PL_laststatval = req->result))
755 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 756 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 757
758 PUSHs (sv_result);
759 break;
760
761 case EIO_SEEK:
762 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
380 break; 763 break;
381 764
382 case EIO_READ: 765 case EIO_READ:
383 { 766 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 767 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 768 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 769 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 770 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 771 PUSHs (sv_result);
389 } 772 }
390 break; 773 break;
391 774
392 case EIO_DUP2: 775 case EIO_SLURP:
776 {
777 if (req->result >= 0)
778 {
779 /* if length was originally not known, we steal the malloc'ed memory */
780 if (req->flags & EIO_FLAG_PTR2_FREE)
781 {
782 req->flags &= ~EIO_FLAG_PTR2_FREE;
783 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
784 }
785 else
786 {
787 SvCUR_set (req->sv2, req->result);
788 *SvEND (req->sv2) = 0;
789 SvPOK_only (req->sv2);
790 }
791
792 SvSETMAGIC (req->sv2);
793 }
794
795 PUSHs (sv_result);
796 }
797 break;
798
799 case EIO_CUSTOM:
800 if (req->feed == fiemap)
801 {
802#if HAVE_FIEMAP
803 if (!req->result)
804 {
805 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
806
807 if (fiemap->fm_extent_count)
808 {
809 AV *av = newAV ();
810 int i;
811
812 while (fiemap->fm_mapped_extents)
813 {
814 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
815 AV *ext_av = newAV ();
816
817 av_store (ext_av, 3, newSVuv (extent->fe_flags));
818 av_store (ext_av, 2, newSVval64 (extent->fe_length));
819 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
820 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
821
822 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
823 }
824
825 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
826 }
827 else
828 {
829 SvIV_set (sv_result, fiemap->fm_mapped_extents);
830 PUSHs (sv_result);
831 }
832 }
833#endif
834 }
835 else
836 PUSHs (sv_result);
837 break;
838
839#if 0
840 case EIO_CLOSE:
841 PerlIOUnix_refcnt_dec (req->int1);
842 break;
843#endif
844
845 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393 if (req->result > 0) 846 if (req->result > 0)
394 req->result = 0; 847 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 848 /* FALLTHROUGH */
396 849
397 default: 850 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 851 PUSHs (sv_result);
399 break; 852 break;
400 } 853 }
401 854
402 errno = req->errorno; 855 errno = req->errorno;
403 856
404 PUTBACK; 857 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 858 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 859 SPAGAIN;
407 860
861 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
862 SvREFCNT_dec (sv_result);
863 else
864 sv_result_cache = sv_result;
865
408 FREETMPS; 866 FREETMPS;
409 LEAVE; 867 LEAVE;
410 868
411 PUTBACK; 869 PUTBACK;
412 } 870 }
413 871
414 return !!SvTRUE (ERRSV); 872 return !!SvTRUE (ERRSV);
415} 873}
416 874
875static void
417static void req_destroy (aio_req req) 876req_destroy (aio_req req)
418{ 877{
419 if (req->self) 878 if (req->self)
420 { 879 {
421 sv_unmagic (req->self, PERL_MAGIC_ext); 880 sv_unmagic (req->self, PERL_MAGIC_ext);
422 SvREFCNT_dec (req->self); 881 SvREFCNT_dec (req->self);
423 } 882 }
424 883
425 SvREFCNT_dec (req->sv1); 884 SvREFCNT_dec (req->sv1);
426 SvREFCNT_dec (req->sv2); 885 SvREFCNT_dec (req->sv2);
886 SvREFCNT_dec (req->sv3);
887 SvREFCNT_dec (req->sv4);
427 SvREFCNT_dec (req->callback); 888 SvREFCNT_dec (req->callback);
428 889
429 Safefree (req); 890 free (req);
430} 891}
431 892
893static void
432static void req_cancel_subs (aio_req grp) 894req_cancel_subs (aio_req grp)
433{ 895{
434 aio_req sub;
435
436 if (grp->type != EIO_GROUP) 896 if (grp->type != EIO_GROUP)
437 return; 897 return;
438 898
439 SvREFCNT_dec (grp->sv2); 899 SvREFCNT_dec (grp->sv2);
440 grp->sv2 = 0; 900 grp->sv2 = 0;
441 901
442 eio_grp_cancel (grp); 902 eio_grp_cancel (grp);
443} 903}
444 904
905ecb_cold
445static void 906static void
446create_respipe (void) 907create_respipe (void)
447{ 908{
448 if (s_epipe_renew (&respipe)) 909 if (s_epipe_renew (&respipe))
449 croak ("unable to initialize result pipe"); 910 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} 911}
454 912
455static void poll_wait (void) 913static void
914poll_wait (void)
456{ 915{
457 while (eio_nreqs ()) 916 while (eio_nreqs ())
458 { 917 {
459 int size; 918 int size;
460 919
461 X_LOCK (reslock); 920 X_LOCK (EIO_POOL->reslock);
462 size = res_queue.size; 921 size = EIO_POOL->res_queue.size;
463 X_UNLOCK (reslock); 922 X_UNLOCK (EIO_POOL->reslock);
464 923
465 if (size) 924 if (size)
466 return; 925 return;
467 926
468 etp_maybe_start_thread (); 927 etp_maybe_start_thread (EIO_POOL);
469 928
470 s_epipe_wait (&respipe); 929 s_epipe_wait (&respipe);
471 } 930 }
472} 931}
473 932
474static int poll_cb (void) 933static int
934poll_cb (void)
475{ 935{
476 for (;;) 936 for (;;)
477 { 937 {
478 int res = eio_poll (); 938 int res = eio_poll ();
479 939
… …
485 945
486 poll_wait (); 946 poll_wait ();
487 } 947 }
488} 948}
489 949
490static void atfork_child (void) 950ecb_cold
951static void
952reinit (void)
491{ 953{
492 create_respipe (); 954 create_respipe ();
955
956 if (eio_init (want_poll, done_poll) < 0)
957 croak ("IO::AIO: unable to initialise eio library");
493} 958}
959
960/*****************************************************************************/
494 961
495static SV * 962static SV *
496get_cb (SV *cb_sv) 963get_cb (SV *cb_sv)
497{ 964{
498 SvGETMAGIC (cb_sv); 965 SvGETMAGIC (cb_sv);
499 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 966 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
500} 967}
501 968
969ecb_noinline
970static aio_req ecb_noinline
971dreq (SV *callback)
972{
973 SV *cb_cv;
974 aio_req req;
975 int req_pri = next_pri;
976 next_pri = EIO_PRI_DEFAULT;
977
978 cb_cv = get_cb (callback);
979
980 req = calloc (sizeof (*req), 1);
981 if (!req)
982 croak ("out of memory during eio_req allocation");
983
984 req->callback = SvREFCNT_inc (cb_cv);
985 req->pri = req_pri;
986
987 return req;
988}
989
502#define dREQ \ 990#define dREQ \
503 SV *cb_cv; \ 991 aio_req req = dreq (callback); \
504 aio_req req; \
505 int req_pri = next_pri; \
506 next_pri = EIO_PRI_DEFAULT; \
507 \
508 cb_cv = get_cb (callback); \
509 \
510 Newz (0, req, 1, eio_req); \
511 if (!req) \
512 croak ("out of memory during eio_req allocation"); \
513 \
514 req->callback = SvREFCNT_inc (cb_cv); \
515 req->pri = req_pri
516 992
517#define REQ_SEND \ 993#define REQ_SEND \
518 PUTBACK; \ 994 PUTBACK; \
519 req_submit (req); \ 995 req_submit (req); \
520 SPAGAIN; \ 996 SPAGAIN; \
521 \ 997 \
522 if (GIMME_V != G_VOID) \ 998 if (GIMME_V != G_VOID) \
523 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 999 XPUSHs (req_sv (req, aio_req_stash));
1000
1001/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1002ecb_inline
1003void
1004req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1005{
1006 if (expect_false (SvROK (path)))
1007 {
1008 SV *rv = SvRV (path);
1009 SV *wdob;
1010
1011 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1012 {
1013 path = AvARRAY (rv)[1];
1014 wdob = AvARRAY (rv)[0];
1015
1016 if (SvOK (wdob))
1017 {
1018 *wd = SvAIO_WD (wdob);
1019 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1020 }
1021 else
1022 *wd = EIO_INVALID_WD;
1023 }
1024 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1025 {
1026 *wd = (aio_wd)(long)SvIVX (rv);
1027 *wdsv = SvREFCNT_inc_NN (rv);
1028 *ptr = ".";
1029 return; /* path set to "." */
1030 }
1031 else
1032 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1033 }
1034
1035 *pathsv = newSVsv (path);
1036 *ptr = SvPVbyte_nolen (*pathsv);
1037}
1038
1039ecb_noinline
1040static void
1041req_set_path1 (aio_req req, SV *path)
1042{
1043 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1044}
1045
1046ecb_noinline
1047static void
1048req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1049{
1050 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1051
1052 switch (SvTYPE (rv))
1053 {
1054 case SVt_PVIO:
1055 case SVt_PVLV:
1056 case SVt_PVGV:
1057 req->type = type_fh;
1058 req->sv1 = newSVsv (fh_or_path);
1059 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1060 break;
1061
1062 default:
1063 req->type = type_path;
1064 req_set_path1 (req, fh_or_path);
1065 break;
1066 }
1067}
1068
1069/*****************************************************************************/
1070
1071static void
1072ts_set (struct timespec *ts, NV value)
1073{
1074 ts->tv_sec = value;
1075 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1076}
1077
1078static NV
1079ts_get (const struct timespec *ts)
1080{
1081 return ts->tv_sec + ts->tv_nsec * 1e-9;
1082}
1083
1084/*****************************************************************************/
1085
1086XS(boot_IO__AIO) ecb_cold;
524 1087
525MODULE = IO::AIO PACKAGE = IO::AIO 1088MODULE = IO::AIO PACKAGE = IO::AIO
526 1089
527PROTOTYPES: ENABLE 1090PROTOTYPES: ENABLE
528 1091
… …
530{ 1093{
531 static const struct { 1094 static const struct {
532 const char *name; 1095 const char *name;
533 IV iv; 1096 IV iv;
534 } *civ, const_iv[] = { 1097 } *civ, const_iv[] = {
535# define const_iv(name, value) { # name, (IV) value }, 1098# define const_niv(name, value) { # name, (IV) value },
1099# define const_iv(name) { # name, (IV) name },
536# define const_eio(name) { # name, (IV) EIO_ ## name }, 1100# define const_eio(name) { # name, (IV) EIO_ ## name },
537 const_iv (EXDEV , EXDEV) 1101
1102 /* you have to re-run ./gendef0 after adding/removing any constants here */
1103 /* the first block can be undef if missing */
538 const_iv (ENOSYS , ENOSYS) 1104 const_iv (ENOSYS)
539 const_iv (O_RDONLY, O_RDONLY) 1105 const_iv (EXDEV)
540 const_iv (O_WRONLY, O_WRONLY) 1106 const_iv (EBADR)
541 const_iv (O_CREAT , O_CREAT) 1107
542 const_iv (O_TRUNC , O_TRUNC) 1108 /* for lseek */
543#ifndef _WIN32 1109 const_iv (SEEK_DATA)
544 const_iv (S_IFIFO , S_IFIFO) 1110 const_iv (SEEK_HOLE)
545#endif 1111
546 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1112 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1113 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1114 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1115 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1116 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1117 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1118
1119 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1120 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1121 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1122 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1123 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1124
1125 /* the second block will be 0 when missing */
1126 const_iv (O_ACCMODE)
1127
1128 const_iv (O_RDONLY)
1129 const_iv (O_WRONLY)
1130 const_iv (O_RDWR)
1131 const_iv (O_CREAT)
1132 const_iv (O_TRUNC)
1133 const_iv (O_EXCL)
1134 const_iv (O_APPEND)
1135
1136 const_iv (O_ASYNC)
1137 const_iv (O_DIRECT)
1138 const_iv (O_NOATIME)
1139
1140 const_iv (O_CLOEXEC)
1141 const_iv (O_NOCTTY)
1142 const_iv (O_NOFOLLOW)
1143 const_iv (O_NONBLOCK)
1144 const_iv (O_EXEC)
1145 const_iv (O_SEARCH)
1146 const_iv (O_DIRECTORY)
1147 const_iv (O_DSYNC)
1148 const_iv (O_RSYNC)
1149 const_iv (O_SYNC)
1150 const_iv (O_PATH)
1151 const_iv (O_TMPFILE)
1152 const_iv (O_TTY_INIT)
1153
1154 const_iv (S_IFIFO)
1155 const_iv (S_IFCHR)
1156 const_iv (S_IFBLK)
1157 const_iv (S_IFLNK)
1158 const_iv (S_IFREG)
1159 const_iv (S_IFDIR)
1160 const_iv (S_IFWHT)
1161 const_iv (S_IFSOCK)
1162 const_iv (S_IFMT)
1163
1164 const_iv (ST_RDONLY)
1165 const_iv (ST_NOSUID)
1166 const_iv (ST_NODEV)
1167 const_iv (ST_NOEXEC)
1168 const_iv (ST_SYNCHRONOUS)
1169 const_iv (ST_MANDLOCK)
1170 const_iv (ST_WRITE)
1171 const_iv (ST_APPEND)
1172 const_iv (ST_IMMUTABLE)
1173 const_iv (ST_NOATIME)
1174 const_iv (ST_NODIRATIME)
1175 const_iv (ST_RELATIME)
1176
1177 const_iv (PROT_NONE)
1178 const_iv (PROT_EXEC)
1179 const_iv (PROT_READ)
1180 const_iv (PROT_WRITE)
1181
1182 const_iv (MAP_PRIVATE)
1183 const_iv (MAP_SHARED)
1184 const_iv (MAP_FIXED)
1185 const_iv (MAP_ANONYMOUS)
1186
1187 /* linuxish */
1188 const_iv (MAP_LOCKED)
1189 const_iv (MAP_NORESERVE)
1190 const_iv (MAP_POPULATE)
1191 const_iv (MAP_NONBLOCK)
1192 const_iv (MAP_GROWSDOWN)
1193 const_iv (MAP_32BIT)
1194 const_iv (MAP_HUGETLB)
1195 const_iv (MAP_STACK)
1196
1197 const_iv (MREMAP_MAYMOVE)
1198 const_iv (MREMAP_FIXED)
1199
1200 const_iv (F_DUPFD_CLOEXEC)
1201
1202 const_iv (MSG_CMSG_CLOEXEC)
1203 const_iv (SOCK_CLOEXEC)
1204
1205 const_iv (F_OFD_GETLK)
1206 const_iv (F_OFD_SETLK)
1207 const_iv (F_OFD_GETLKW)
1208
1209 const_iv (FIFREEZE)
1210 const_iv (FITHAW)
1211 const_iv (FITRIM)
1212 const_iv (FICLONE)
1213 const_iv (FICLONERANGE)
1214 const_iv (FIDEDUPERANGE)
1215
1216 const_iv (FS_IOC_GETFLAGS)
1217 const_iv (FS_IOC_SETFLAGS)
1218 const_iv (FS_IOC_GETVERSION)
1219 const_iv (FS_IOC_SETVERSION)
1220 const_iv (FS_IOC_FIEMAP)
1221 const_iv (FS_IOC_FSGETXATTR)
1222 const_iv (FS_IOC_FSSETXATTR)
1223 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1224 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1225 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1226
1227 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1228
1229 const_iv (FS_SECRM_FL)
1230 const_iv (FS_UNRM_FL)
1231 const_iv (FS_COMPR_FL)
1232 const_iv (FS_SYNC_FL)
1233 const_iv (FS_IMMUTABLE_FL)
1234 const_iv (FS_APPEND_FL)
1235 const_iv (FS_NODUMP_FL)
1236 const_iv (FS_NOATIME_FL)
1237 const_iv (FS_DIRTY_FL)
1238 const_iv (FS_COMPRBLK_FL)
1239 const_iv (FS_NOCOMP_FL)
1240 const_iv (FS_ENCRYPT_FL)
1241 const_iv (FS_BTREE_FL)
1242 const_iv (FS_INDEX_FL)
1243 const_iv (FS_JOURNAL_DATA_FL)
1244 const_iv (FS_NOTAIL_FL)
1245 const_iv (FS_DIRSYNC_FL)
1246 const_iv (FS_TOPDIR_FL)
1247 const_iv (FS_FL_USER_MODIFIABLE)
1248
1249 const_iv (FS_XFLAG_REALTIME)
1250 const_iv (FS_XFLAG_PREALLOC)
1251 const_iv (FS_XFLAG_IMMUTABLE)
1252 const_iv (FS_XFLAG_APPEND)
1253 const_iv (FS_XFLAG_SYNC)
1254 const_iv (FS_XFLAG_NOATIME)
1255 const_iv (FS_XFLAG_NODUMP)
1256 const_iv (FS_XFLAG_RTINHERIT)
1257 const_iv (FS_XFLAG_PROJINHERIT)
1258 const_iv (FS_XFLAG_NOSYMLINKS)
1259 const_iv (FS_XFLAG_EXTSIZE)
1260 const_iv (FS_XFLAG_EXTSZINHERIT)
1261 const_iv (FS_XFLAG_NODEFRAG)
1262 const_iv (FS_XFLAG_FILESTREAM)
1263 const_iv (FS_XFLAG_DAX)
1264 const_iv (FS_XFLAG_HASATTR)
1265
1266 const_iv (FIEMAP_FLAG_SYNC)
1267 const_iv (FIEMAP_FLAG_XATTR)
1268 const_iv (FIEMAP_FLAGS_COMPAT)
1269 const_iv (FIEMAP_EXTENT_LAST)
1270 const_iv (FIEMAP_EXTENT_UNKNOWN)
1271 const_iv (FIEMAP_EXTENT_DELALLOC)
1272 const_iv (FIEMAP_EXTENT_ENCODED)
1273 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1274 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1275 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1276 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1277 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1278 const_iv (FIEMAP_EXTENT_MERGED)
1279 const_iv (FIEMAP_EXTENT_SHARED)
1280
1281 const_iv (SPLICE_F_MOVE)
1282 const_iv (SPLICE_F_NONBLOCK)
1283 const_iv (SPLICE_F_MORE)
1284 const_iv (SPLICE_F_GIFT)
1285
1286 const_iv (EFD_CLOEXEC)
1287 const_iv (EFD_NONBLOCK)
1288 const_iv (EFD_SEMAPHORE)
1289
1290 const_iv (MFD_CLOEXEC)
1291 const_iv (MFD_ALLOW_SEALING)
1292 const_iv (MFD_HUGETLB)
1293
1294 const_iv (CLOCK_REALTIME)
1295 const_iv (CLOCK_MONOTONIC)
1296 const_iv (CLOCK_BOOTTIME)
1297 const_iv (CLOCK_REALTIME_ALARM)
1298 const_iv (CLOCK_BOOTTIME_ALARM)
1299
1300 const_iv (TFD_NONBLOCK)
1301 const_iv (TFD_CLOEXEC)
1302
1303 const_iv (TFD_TIMER_ABSTIME)
1304 const_iv (TFD_TIMER_CANCEL_ON_SET)
1305
1306 const_iv (STATX_TYPE)
1307 const_iv (STATX_MODE)
1308 const_iv (STATX_NLINK)
1309 const_iv (STATX_UID)
1310 const_iv (STATX_GID)
1311 const_iv (STATX_ATIME)
1312 const_iv (STATX_MTIME)
1313 const_iv (STATX_CTIME)
1314 const_iv (STATX_INO)
1315 const_iv (STATX_SIZE)
1316 const_iv (STATX_BLOCKS)
1317 const_iv (STATX_BASIC_STATS)
1318 const_iv (STATX_ALL)
1319 const_iv (STATX_BTIME)
1320 const_iv (STATX_ATTR_COMPRESSED)
1321 const_iv (STATX_ATTR_IMMUTABLE)
1322 const_iv (STATX_ATTR_APPEND)
1323 const_iv (STATX_ATTR_NODUMP)
1324 const_iv (STATX_ATTR_ENCRYPTED)
1325 const_iv (STATX_ATTR_AUTOMOUNT)
1326
1327 /* these are libeio constants, and are independent of gendef0 */
1328 const_eio (SEEK_SET)
1329 const_eio (SEEK_CUR)
1330 const_eio (SEEK_END)
1331
1332 const_eio (MCL_FUTURE)
1333 const_eio (MCL_CURRENT)
1334 const_eio (MCL_ONFAULT)
1335
1336 const_eio (MS_ASYNC)
1337 const_eio (MS_INVALIDATE)
1338 const_eio (MS_SYNC)
1339
1340 const_eio (MT_MODIFY)
552 1341
553 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1342 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554 const_eio (SYNC_FILE_RANGE_WRITE) 1343 const_eio (SYNC_FILE_RANGE_WRITE)
555 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1344 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1345
1346 const_eio (FALLOC_FL_KEEP_SIZE)
1347 const_eio (FALLOC_FL_PUNCH_HOLE)
1348 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1349 const_eio (FALLOC_FL_ZERO_RANGE)
1350 const_eio (FALLOC_FL_INSERT_RANGE)
1351 const_eio (FALLOC_FL_UNSHARE_RANGE)
1352
1353 const_eio (RENAME_NOREPLACE)
1354 const_eio (RENAME_EXCHANGE)
1355 const_eio (RENAME_WHITEOUT)
556 1356
557 const_eio (READDIR_DENTS) 1357 const_eio (READDIR_DENTS)
558 const_eio (READDIR_DIRS_FIRST) 1358 const_eio (READDIR_DIRS_FIRST)
559 const_eio (READDIR_STAT_ORDER) 1359 const_eio (READDIR_STAT_ORDER)
560 const_eio (READDIR_FOUND_UNKNOWN) 1360 const_eio (READDIR_FOUND_UNKNOWN)
… …
568 const_eio (DT_LNK) 1368 const_eio (DT_LNK)
569 const_eio (DT_SOCK) 1369 const_eio (DT_SOCK)
570 const_eio (DT_WHT) 1370 const_eio (DT_WHT)
571 }; 1371 };
572 1372
573 stash = gv_stashpv ("IO::AIO", 1); 1373 aio_stash = gv_stashpv ("IO::AIO" , 1);
1374 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1375 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1376 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
574 1377
575 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1378 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
576 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1379 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
577 1380
578 create_respipe (); 1381 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
579 1382
580 if (eio_init (want_poll, done_poll) < 0) 1383 /* allocate dummy pipe fd for aio_close */
581 croak ("IO::AIO: unable to initialise eio library"); 1384 {
1385 int pipefd [2];
582 1386
583 /* atfork child called in fifo order, so before eio's handler */ 1387 if (
584 X_THREAD_ATFORK (0, 0, atfork_child); 1388#ifdef _WIN32
585} 1389 _pipe (pipefd, 1, _O_BINARY) < 0
1390#else
1391 pipe (pipefd) < 0
1392 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1393#endif
1394 || close (pipefd [1]) < 0
1395 )
1396 croak ("IO::AIO: unable to create dummy pipe for aio_close");
586 1397
1398 close_fd = pipefd [0];
1399 }
1400
1401 reinit ();
1402}
1403
587void 1404void
1405reinit ()
1406 PROTOTYPE:
1407
1408void
588max_poll_reqs (int nreqs) 1409max_poll_reqs (unsigned int nreqs)
589 PROTOTYPE: $ 1410 PROTOTYPE: $
590 CODE: 1411 CODE:
591 eio_set_max_poll_reqs (nreqs); 1412 eio_set_max_poll_reqs (nreqs);
592 1413
593void 1414void
… …
595 PROTOTYPE: $ 1416 PROTOTYPE: $
596 CODE: 1417 CODE:
597 eio_set_max_poll_time (nseconds); 1418 eio_set_max_poll_time (nseconds);
598 1419
599void 1420void
600min_parallel (int nthreads) 1421min_parallel (unsigned int nthreads)
601 PROTOTYPE: $ 1422 PROTOTYPE: $
602 CODE: 1423 CODE:
603 eio_set_min_parallel (nthreads); 1424 eio_set_min_parallel (nthreads);
604 1425
605void 1426void
606max_parallel (int nthreads) 1427max_parallel (unsigned int nthreads)
607 PROTOTYPE: $ 1428 PROTOTYPE: $
608 CODE: 1429 CODE:
609 eio_set_max_parallel (nthreads); 1430 eio_set_max_parallel (nthreads);
610 1431
611void 1432void
612max_idle (int nthreads) 1433max_idle (unsigned int nthreads)
613 PROTOTYPE: $ 1434 PROTOTYPE: $
614 CODE: 1435 CODE:
615 eio_set_max_idle (nthreads); 1436 eio_set_max_idle (nthreads);
616 1437
617void 1438void
1439idle_timeout (unsigned int seconds)
1440 PROTOTYPE: $
1441 CODE:
1442 eio_set_idle_timeout (seconds);
1443
1444void
618max_outstanding (int maxreqs) 1445max_outstanding (unsigned int maxreqs)
619 PROTOTYPE: $ 1446 PROTOTYPE: $
620 CODE: 1447 CODE:
621 max_outstanding = maxreqs; 1448 max_outstanding = maxreqs;
622 1449
623void 1450void
624aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1451aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
625 PROTOTYPE: $$$;$
626 PPCODE: 1452 PPCODE:
627{ 1453{
628 dREQ; 1454 dREQ;
629 1455
1456 req->type = EIO_WD_OPEN;
1457 req_set_path1 (req, pathname);
1458
1459 REQ_SEND;
1460}
1461
1462void
1463aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1464 PPCODE:
1465{
1466 dREQ;
1467
630 req->type = EIO_OPEN; 1468 req->type = EIO_OPEN;
631 req->sv1 = newSVsv (pathname); 1469 req_set_path1 (req, pathname);
632 req->ptr1 = SvPVbyte_nolen (req->sv1);
633 req->int1 = flags; 1470 req->int1 = flags;
634 req->int2 = mode; 1471 req->int2 = mode;
635 1472
636 REQ_SEND; 1473 REQ_SEND;
637} 1474}
638 1475
639void 1476void
640aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1477aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
641 PROTOTYPE: $;$
642 ALIAS: 1478 ALIAS:
643 aio_fsync = EIO_FSYNC 1479 aio_fsync = EIO_FSYNC
644 aio_fdatasync = EIO_FDATASYNC 1480 aio_fdatasync = EIO_FDATASYNC
1481 aio_syncfs = EIO_SYNCFS
645 PPCODE: 1482 PPCODE:
646{ 1483{
647 int fd = s_fileno_croak (fh, 0); 1484 int fd = s_fileno_croak (fh, 0);
648 dREQ; 1485 dREQ;
649 1486
650 req->type = ix; 1487 req->type = ix;
651 req->sv1 = newSVsv (fh); 1488 req->sv1 = newSVsv (fh);
652 req->int1 = fd; 1489 req->int1 = fd;
653 1490
654 REQ_SEND (req); 1491 REQ_SEND;
655} 1492}
656 1493
657void 1494void
658aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1495aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
659 PROTOTYPE: $$$$;$
660 PPCODE: 1496 PPCODE:
661{ 1497{
662 int fd = s_fileno_croak (fh, 0); 1498 int fd = s_fileno_croak (fh, 0);
663 dREQ; 1499 dREQ;
664 1500
665 req->type = EIO_SYNC_FILE_RANGE; 1501 req->type = EIO_SYNC_FILE_RANGE;
666 req->sv1 = newSVsv (fh); 1502 req->sv1 = newSVsv (fh);
667 req->int1 = fd; 1503 req->int1 = fd;
668 req->offs = offset; 1504 req->offs = offset;
669 req->size = nbytes; 1505 req->size = nbytes;
670 req->int2 = flags; 1506 req->int2 = flags;
671 1507
672 REQ_SEND (req); 1508 REQ_SEND;
673} 1509}
674 1510
675void 1511void
676aio_close (SV *fh, SV *callback=&PL_sv_undef) 1512aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
677 PROTOTYPE: $;$
678 PPCODE: 1513 PPCODE:
679{ 1514{
680 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
681 int fd = s_fileno_croak (fh, 0); 1515 int fd = s_fileno_croak (fh, 0);
682 dREQ; 1516 dREQ;
683 1517
684 if (close_pipe < 0) 1518 req->type = EIO_FALLOCATE;
1519 req->sv1 = newSVsv (fh);
1520 req->int1 = fd;
1521 req->int2 = mode;
1522 req->offs = offset;
1523 req->size = len;
1524
1525 REQ_SEND;
1526}
1527
1528void
1529aio_close (SV *fh, SV *callback = &PL_sv_undef)
1530 PPCODE:
1531{
1532 int fd = s_fileno_croak (fh, 0);
1533 dREQ;
1534#if 0
1535 /* partially duplicate logic in s_fileno */
1536 SvGETMAGIC (fh);
1537
1538 if (SvROK (fh))
1539 {
1540 fh = SvRV (fh);
1541 SvGETMAGIC (fh);
1542 }
1543
1544 if (SvTYPE (fh) == SVt_PVGV)
685 { 1545 {
686 int pipefd [2]; 1546 /* perl filehandle */
1547 PerlIOUnix_refcnt_inc (fd);
1548 do_close ((GV *)fh, 1);
687 1549
688 if (pipe (pipefd) < 0 1550 req->type = EIO_CLOSE;
689 || close (pipefd [1]) < 0 1551 req->int1 = fd;
690 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1552 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
691 abort (); /*D*/
692
693 close_pipe = pipefd [0];
694 } 1553 }
695 1554 else
1555#endif
1556 {
1557 /* fd number */
696 req->type = EIO_DUP2; 1558 req->type = EIO_DUP2;
697 req->int1 = close_pipe; 1559 req->int1 = close_fd;
1560 req->sv2 = newSVsv (fh);
1561 req->int2 = fd;
1562 }
1563
1564 REQ_SEND;
1565}
1566
1567void
1568aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1569 PPCODE:
1570{
1571 int fd = s_fileno_croak (fh, 0);
1572 dREQ;
1573
1574 req->type = EIO_SEEK;
698 req->sv2 = newSVsv (fh); 1575 req->sv1 = newSVsv (fh);
699 req->int2 = fd; 1576 req->int1 = fd;
1577 req->offs = SvVAL64 (offset);
1578 req->int2 = whence;
700 1579
701 REQ_SEND (req); 1580 REQ_SEND;
702} 1581}
703 1582
704void 1583void
705aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1584aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
706 ALIAS: 1585 ALIAS:
707 aio_read = EIO_READ 1586 aio_read = EIO_READ
708 aio_write = EIO_WRITE 1587 aio_write = EIO_WRITE
709 PROTOTYPE: $$$$$;$
710 PPCODE: 1588 PPCODE:
711{ 1589{
712 STRLEN svlen; 1590 STRLEN svlen;
713 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1591 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
714 char *svptr = SvPVbyte (data, svlen); 1592 char *svptr = SvPVbyte (data, svlen);
… …
727 len = svlen - dataoffset; 1605 len = svlen - dataoffset;
728 } 1606 }
729 else 1607 else
730 { 1608 {
731 /* read: check type and grow scalar as necessary */ 1609 /* read: check type and grow scalar as necessary */
732 SvUPGRADE (data, SVt_PV); 1610 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
733 svptr = SvGROW (data, len + dataoffset + 1); 1611 svptr = sv_grow (data, len + dataoffset + 1);
1612 else if (SvCUR (data) < len + dataoffset)
1613 croak ("length + dataoffset outside of scalar, and cannot grow");
734 } 1614 }
735 1615
736 { 1616 {
737 dREQ; 1617 dREQ;
738 1618
… …
754 REQ_SEND; 1634 REQ_SEND;
755 } 1635 }
756} 1636}
757 1637
758void 1638void
759aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1639aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
760 PROTOTYPE: $$;$ 1640 ALIAS:
1641 aio_ioctl = EIO_IOCTL
1642 aio_fcntl = EIO_FCNTL
761 PPCODE: 1643 PPCODE:
762{ 1644{
763 SV *data; 1645 int fd = s_fileno_croak (fh, 0);
1646 char *svptr;
1647
1648 if (SvPOK (arg) || !SvNIOK (arg))
1649 {
1650 STRLEN svlen;
1651 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1652#ifdef IOCPARM_LEN
1653 STRLEN need = IOCPARM_LEN (request);
1654#else
1655 STRLEN need = 256;
1656#endif
1657
1658 if (svlen < need)
1659 svptr = SvGROW (arg, need);
1660 }
1661 else
1662 svptr = (char *)SvIV (arg);
1663
1664 {
1665 dREQ;
1666
1667 req->type = ix;
1668 req->sv1 = newSVsv (fh);
1669 req->int1 = fd;
1670 req->int2 = (long)request;
1671 req->sv2 = SvREFCNT_inc (arg);
1672 req->ptr2 = svptr;
1673
1674 REQ_SEND;
1675 }
1676}
1677
1678void
1679aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1680 ALIAS:
1681 aio_readlink = EIO_READLINK
1682 aio_realpath = EIO_REALPATH
1683 PPCODE:
1684{
764 dREQ; 1685 dREQ;
765 1686
766 req->type = EIO_READLINK; 1687 req->type = ix;
767 req->sv1 = newSVsv (path); 1688 req_set_path1 (req, pathname);
768 req->ptr1 = SvPVbyte_nolen (req->sv1);
769 1689
770 REQ_SEND; 1690 REQ_SEND;
771} 1691}
772 1692
773void 1693void
774aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1694aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
775 PROTOTYPE: $$$$;$
776 PPCODE: 1695 PPCODE:
777{ 1696{
778 int ifd = s_fileno_croak (in_fh , 0); 1697 int ifd = s_fileno_croak (in_fh , 0);
779 int ofd = s_fileno_croak (out_fh, 1); 1698 int ofd = s_fileno_croak (out_fh, 1);
780 dREQ; 1699 dREQ;
781 1700
782 req->type = EIO_SENDFILE; 1701 req->type = EIO_SENDFILE;
783 req->sv1 = newSVsv (out_fh); 1702 req->sv1 = newSVsv (out_fh);
784 req->int1 = ofd; 1703 req->int1 = ofd;
… …
789 1708
790 REQ_SEND; 1709 REQ_SEND;
791} 1710}
792 1711
793void 1712void
794aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1713aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
795 PROTOTYPE: $$$;$
796 PPCODE: 1714 PPCODE:
797{ 1715{
798 int fd = s_fileno_croak (fh, 0); 1716 int fd = s_fileno_croak (fh, 0);
799 dREQ; 1717 dREQ;
800 1718
801 req->type = EIO_READAHEAD; 1719 req->type = EIO_READAHEAD;
802 req->sv1 = newSVsv (fh); 1720 req->sv1 = newSVsv (fh);
803 req->int1 = fd; 1721 req->int1 = fd;
… …
806 1724
807 REQ_SEND; 1725 REQ_SEND;
808} 1726}
809 1727
810void 1728void
811aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1729aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
812 ALIAS: 1730 ALIAS:
813 aio_stat = EIO_STAT 1731 aio_stat = EIO_STAT
814 aio_lstat = EIO_LSTAT 1732 aio_lstat = EIO_LSTAT
1733 aio_statvfs = EIO_STATVFS
815 PPCODE: 1734 PPCODE:
816{ 1735{
817 dREQ; 1736 dREQ;
818 1737
819 req->sv1 = newSVsv (fh_or_path); 1738 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
820
821 if (SvPOK (req->sv1))
822 {
823 req->type = ix;
824 req->ptr1 = SvPVbyte_nolen (req->sv1);
825 }
826 else
827 {
828 req->type = EIO_FSTAT;
829 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830 }
831 1739
832 REQ_SEND; 1740 REQ_SEND;
833} 1741}
834 1742
835void 1743void
1744st_xtime ()
1745 ALIAS:
1746 st_atime = 0x01
1747 st_mtime = 0x02
1748 st_ctime = 0x04
1749 st_btime = 0x08
1750 st_xtime = 0x0f
1751 PPCODE:
1752 EXTEND (SP, 4);
1753 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1754 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1755 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1756 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1757
1758void
1759st_xtimensec ()
1760 ALIAS:
1761 st_atimensec = 0x01
1762 st_mtimensec = 0x02
1763 st_ctimensec = 0x04
1764 st_btimensec = 0x08
1765 st_xtimensec = 0x0f
1766 st_btimesec = 0x10
1767 st_gen = 0x20
1768 PPCODE:
1769 EXTEND (SP, 4);
1770 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1771 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1772 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1773 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1774 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1775 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1776
1777UV
1778major (UV dev)
1779 ALIAS:
1780 minor = 1
1781 CODE:
1782 RETVAL = ix ? minor (dev) : major (dev);
1783 OUTPUT:
1784 RETVAL
1785
1786UV
1787makedev (UV maj, UV min)
1788 CODE:
1789 RETVAL = makedev (maj, min);
1790 OUTPUT:
1791 RETVAL
1792
1793void
836aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1794aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
837 PPCODE: 1795 PPCODE:
838{ 1796{
839 dREQ; 1797 dREQ;
840 1798
841 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1799 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
842 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1800 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
843 req->sv1 = newSVsv (fh_or_path); 1801 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
844
845 if (SvPOK (req->sv1))
846 {
847 req->type = EIO_UTIME;
848 req->ptr1 = SvPVbyte_nolen (req->sv1);
849 }
850 else
851 {
852 req->type = EIO_FUTIME;
853 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
854 }
855 1802
856 REQ_SEND; 1803 REQ_SEND;
857} 1804}
858 1805
859void 1806void
860aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1807aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
861 PPCODE: 1808 PPCODE:
862{ 1809{
863 dREQ; 1810 dREQ;
864 1811
865 req->sv1 = newSVsv (fh_or_path);
866 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1812 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
867 1813 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
868 if (SvPOK (req->sv1))
869 {
870 req->type = EIO_TRUNCATE;
871 req->ptr1 = SvPVbyte_nolen (req->sv1);
872 }
873 else
874 {
875 req->type = EIO_FTRUNCATE;
876 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
877 }
878 1814
879 REQ_SEND; 1815 REQ_SEND;
880} 1816}
881 1817
882void 1818void
883aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1819aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
884 ALIAS:
885 aio_chmod = EIO_CHMOD
886 aio_mkdir = EIO_MKDIR
887 PPCODE: 1820 PPCODE:
888{ 1821{
889 dREQ; 1822 dREQ;
890 1823
891 req->int2 = mode; 1824 req->int2 = mode;
892 req->sv1 = newSVsv (fh_or_path); 1825 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
893
894 if (SvPOK (req->sv1))
895 {
896 req->type = ix;
897 req->ptr1 = SvPVbyte_nolen (req->sv1);
898 }
899 else
900 {
901 req->type = EIO_FCHMOD;
902 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
903 }
904 1826
905 REQ_SEND; 1827 REQ_SEND;
906} 1828}
907 1829
908void 1830void
909aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1831aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
910 PPCODE: 1832 PPCODE:
911{ 1833{
912 dREQ; 1834 dREQ;
913 1835
914 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1836 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
915 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1837 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
916 req->sv1 = newSVsv (fh_or_path); 1838 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
917
918 if (SvPOK (req->sv1))
919 {
920 req->type = EIO_CHOWN;
921 req->ptr1 = SvPVbyte_nolen (req->sv1);
922 }
923 else
924 {
925 req->type = EIO_FCHOWN;
926 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
927 }
928 1839
929 REQ_SEND; 1840 REQ_SEND;
930} 1841}
931 1842
932void 1843void
933aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1844aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
934 PPCODE: 1845 PPCODE:
935{ 1846{
936 dREQ; 1847 dREQ;
937 1848
938 req->type = EIO_READDIR; 1849 req->type = EIO_READDIR;
939 req->sv1 = newSVsv (pathname);
940 req->ptr1 = SvPVbyte_nolen (req->sv1);
941 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1850 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
942 1851
943 if (flags & EIO_READDIR_DENTS) 1852 if (flags & EIO_READDIR_DENTS)
944 req->int1 |= EIO_READDIR_CUSTOM2; 1853 req->int1 |= EIO_READDIR_CUSTOM2;
945 1854
1855 req_set_path1 (req, pathname);
1856
946 REQ_SEND; 1857 REQ_SEND;
947} 1858}
948 1859
949void 1860void
1861aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1862 PPCODE:
1863{
1864 dREQ;
1865
1866 req->type = EIO_MKDIR;
1867 req->int2 = mode;
1868 req_set_path1 (req, pathname);
1869
1870 REQ_SEND;
1871}
1872
1873void
950aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1874aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
951 ALIAS: 1875 ALIAS:
952 aio_unlink = EIO_UNLINK 1876 aio_unlink = EIO_UNLINK
953 aio_rmdir = EIO_RMDIR 1877 aio_rmdir = EIO_RMDIR
954 aio_readdir = EIO_READDIR 1878 aio_readdir = EIO_READDIR
955 PPCODE: 1879 PPCODE:
956{ 1880{
957 dREQ; 1881 dREQ;
958 1882
959 req->type = ix; 1883 req->type = ix;
960 req->sv1 = newSVsv (pathname); 1884 req_set_path1 (req, pathname);
961 req->ptr1 = SvPVbyte_nolen (req->sv1);
962 1885
963 REQ_SEND; 1886 REQ_SEND;
964} 1887}
965 1888
966void 1889void
967aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1890aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
968 ALIAS: 1891 ALIAS:
969 aio_link = EIO_LINK 1892 aio_link = EIO_LINK
970 aio_symlink = EIO_SYMLINK 1893 aio_symlink = EIO_SYMLINK
971 aio_rename = EIO_RENAME 1894 aio_rename = EIO_RENAME
972 PPCODE: 1895 PPCODE:
973{ 1896{
1897 eio_wd wd2 = 0;
974 dREQ; 1898 dREQ;
975 1899
976 req->type = ix; 1900 req->type = ix;
977 req->sv1 = newSVsv (oldpath); 1901 req_set_path1 (req, oldpath);
978 req->ptr1 = SvPVbyte_nolen (req->sv1); 1902 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
979 req->sv2 = newSVsv (newpath); 1903 req->int3 = (long)wd2;
980 req->ptr2 = SvPVbyte_nolen (req->sv2);
981 1904
982 REQ_SEND; 1905 REQ_SEND;
983} 1906}
984 1907
985void 1908void
1909aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1910 PPCODE:
1911{
1912 eio_wd wd2 = 0;
1913 dREQ;
1914
1915 req->type = EIO_RENAME;
1916 req_set_path1 (req, oldpath);
1917 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1918 req->int2 = flags;
1919 req->int3 = (long)wd2;
1920
1921 REQ_SEND;
1922}
1923
1924void
986aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1925aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
987 PPCODE: 1926 PPCODE:
988{ 1927{
989 dREQ; 1928 dREQ;
990 1929
991 req->type = EIO_MKNOD; 1930 req->type = EIO_MKNOD;
992 req->sv1 = newSVsv (pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 req->int2 = (mode_t)mode; 1931 req->int2 = (mode_t)mode;
995 req->offs = dev; 1932 req->offs = dev;
1933 req_set_path1 (req, pathname);
996 1934
997 REQ_SEND; 1935 REQ_SEND;
998} 1936}
999 1937
1000void 1938void
1939aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1940 ALIAS:
1941 aio_mtouch = EIO_MTOUCH
1942 aio_msync = EIO_MSYNC
1943 PPCODE:
1944{
1945 STRLEN svlen;
1946 char *svptr = SvPVbyte (data, svlen);
1947 UV len = SvUV (length);
1948
1949 if (flags < 0)
1950 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1951
1952 if (offset < 0)
1953 offset += svlen;
1954
1955 if (offset < 0 || offset > svlen)
1956 croak ("offset outside of scalar");
1957
1958 if (!SvOK (length) || len + offset > svlen)
1959 len = svlen - offset;
1960
1961 {
1962 dREQ;
1963
1964 req->type = ix;
1965 req->sv2 = SvREFCNT_inc (data);
1966 req->ptr2 = (char *)svptr + offset;
1967 req->size = len;
1968 req->int1 = flags;
1969
1970 REQ_SEND;
1971 }
1972}
1973
1974void
1975aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1976 PPCODE:
1977{
1978 STRLEN svlen;
1979 char *svptr = SvPVbyte (data, svlen);
1980 UV len = SvUV (length);
1981
1982 if (offset < 0)
1983 offset += svlen;
1984
1985 if (offset < 0 || offset > svlen)
1986 croak ("offset outside of scalar");
1987
1988 if (!SvOK (length) || len + offset > svlen)
1989 len = svlen - offset;
1990
1991 {
1992 dREQ;
1993
1994 req->type = EIO_MLOCK;
1995 req->sv2 = SvREFCNT_inc (data);
1996 req->ptr2 = (char *)svptr + offset;
1997 req->size = len;
1998
1999 REQ_SEND;
2000 }
2001}
2002
2003void
2004aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2005 PPCODE:
2006{
2007 dREQ;
2008
2009 req->type = EIO_MLOCKALL;
2010 req->int1 = flags;
2011
2012 REQ_SEND;
2013}
2014
2015void
2016aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2017 PPCODE:
2018{
2019 int fd = s_fileno_croak (fh, 0);
2020 dREQ;
2021
2022 req->type = EIO_CUSTOM;
2023 req->sv1 = newSVsv (fh);
2024 req->int1 = fd;
2025
2026 req->feed = fiemap;
2027#if HAVE_FIEMAP
2028 /* keep our fingers crossed that the next two types are 64 bit */
2029 req->offs = start;
2030 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2031 req->int2 = flags;
2032 req->int3 = SvOK (count) ? SvIV (count) : -1;
2033#endif
2034
2035 REQ_SEND;
2036}
2037
2038void
2039aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2040 PPCODE:
2041{
2042 char *svptr = 0;
2043
2044 sv_clear_foreign (data);
2045
2046 if (length) /* known length, directly read into scalar */
2047 {
2048 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2049 svptr = sv_grow (data, length + 1);
2050 else if (SvCUR (data) < length)
2051 croak ("length outside of scalar, and cannot grow");
2052 else
2053 svptr = SvPVbyte_nolen (data);
2054 }
2055
2056 {
2057 dREQ;
2058
2059 req->type = EIO_SLURP;
2060 req_set_path1 (req, pathname);
2061 req->offs = offset;
2062 req->size = length;
2063 req->sv2 = SvREFCNT_inc (data);
2064 req->ptr2 = svptr;
2065
2066 if (!SvREADONLY (data))
2067 {
2068 SvREADONLY_on (data);
2069 req->flags |= FLAG_SV2_RO_OFF;
2070 }
2071
2072 REQ_SEND;
2073 }
2074}
2075
2076void
1001aio_busy (double delay, SV *callback=&PL_sv_undef) 2077aio_busy (double delay, SV *callback = &PL_sv_undef)
1002 PPCODE: 2078 PPCODE:
1003{ 2079{
1004 dREQ; 2080 dREQ;
1005 2081
1006 req->type = EIO_BUSY; 2082 req->type = EIO_BUSY;
… …
1008 2084
1009 REQ_SEND; 2085 REQ_SEND;
1010} 2086}
1011 2087
1012void 2088void
1013aio_group (SV *callback=&PL_sv_undef) 2089aio_group (SV *callback = &PL_sv_undef)
1014 PROTOTYPE: ;$
1015 PPCODE: 2090 PPCODE:
1016{ 2091{
1017 dREQ; 2092 dREQ;
1018 2093
1019 req->type = EIO_GROUP; 2094 req->type = EIO_GROUP;
1020 2095
2096 PUTBACK;
1021 req_submit (req); 2097 req_submit (req);
2098 SPAGAIN;
2099
1022 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2100 XPUSHs (req_sv (req, aio_grp_stash));
1023} 2101}
1024 2102
1025void 2103void
1026aio_nop (SV *callback=&PL_sv_undef) 2104aio_nop (SV *callback = &PL_sv_undef)
1027 ALIAS: 2105 ALIAS:
1028 aio_nop = EIO_NOP 2106 aio_nop = EIO_NOP
1029 aio_sync = EIO_SYNC 2107 aio_sync = EIO_SYNC
1030 PPCODE: 2108 PPCODE:
1031{ 2109{
… …
1035 2113
1036 REQ_SEND; 2114 REQ_SEND;
1037} 2115}
1038 2116
1039int 2117int
1040aioreq_pri (int pri = 0) 2118aioreq_pri (int pri = NO_INIT)
1041 PROTOTYPE: ;$
1042 CODE: 2119 CODE:
1043 RETVAL = next_pri; 2120 RETVAL = next_pri;
1044 if (items > 0) 2121 if (items > 0)
1045 { 2122 {
1046 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2123 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1058 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2135 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1059 next_pri = nice; 2136 next_pri = nice;
1060 2137
1061void 2138void
1062flush () 2139flush ()
1063 PROTOTYPE:
1064 CODE: 2140 CODE:
1065 while (eio_nreqs ()) 2141 while (eio_nreqs ())
1066 { 2142 {
1067 poll_wait (); 2143 poll_wait ();
1068 poll_cb (); 2144 poll_cb ();
1069 } 2145 }
1070 2146
1071int 2147int
1072poll() 2148poll ()
1073 PROTOTYPE:
1074 CODE: 2149 CODE:
1075 poll_wait (); 2150 poll_wait ();
1076 RETVAL = poll_cb (); 2151 RETVAL = poll_cb ();
1077 OUTPUT: 2152 OUTPUT:
1078 RETVAL 2153 RETVAL
1079 2154
1080int 2155int
1081poll_fileno() 2156poll_fileno ()
1082 PROTOTYPE:
1083 CODE: 2157 CODE:
1084 RETVAL = s_epipe_fd (&respipe); 2158 RETVAL = s_epipe_fd (&respipe);
1085 OUTPUT: 2159 OUTPUT:
1086 RETVAL 2160 RETVAL
1087 2161
1088int 2162int
1089poll_cb(...) 2163poll_cb (...)
1090 PROTOTYPE: 2164 PROTOTYPE:
1091 CODE: 2165 CODE:
1092 RETVAL = poll_cb (); 2166 RETVAL = poll_cb ();
1093 OUTPUT: 2167 OUTPUT:
1094 RETVAL 2168 RETVAL
1095 2169
1096void 2170void
1097poll_wait() 2171poll_wait ()
1098 PROTOTYPE:
1099 CODE: 2172 CODE:
1100 poll_wait (); 2173 poll_wait ();
1101 2174
1102int 2175int
1103nreqs() 2176nreqs ()
1104 PROTOTYPE:
1105 CODE: 2177 CODE:
1106 RETVAL = eio_nreqs (); 2178 RETVAL = eio_nreqs ();
1107 OUTPUT: 2179 OUTPUT:
1108 RETVAL 2180 RETVAL
1109 2181
1110int 2182int
1111nready() 2183nready ()
1112 PROTOTYPE:
1113 CODE: 2184 CODE:
1114 RETVAL = eio_nready (); 2185 RETVAL = eio_nready ();
1115 OUTPUT: 2186 OUTPUT:
1116 RETVAL 2187 RETVAL
1117 2188
1118int 2189int
1119npending() 2190npending ()
1120 PROTOTYPE:
1121 CODE: 2191 CODE:
1122 RETVAL = eio_npending (); 2192 RETVAL = eio_npending ();
1123 OUTPUT: 2193 OUTPUT:
1124 RETVAL 2194 RETVAL
1125 2195
1126int 2196int
1127nthreads() 2197nthreads ()
1128 PROTOTYPE:
1129 CODE: 2198 CODE:
1130 RETVAL = eio_nthreads (); 2199 RETVAL = eio_nthreads ();
1131 OUTPUT: 2200 OUTPUT:
1132 RETVAL 2201 RETVAL
1133 2202
1134int 2203int
1135fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2204fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136 PROTOTYPE: $$$$
1137 CODE: 2205 CODE:
1138#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139 RETVAL = posix_fadvise (fh, offset, length, advice); 2206 RETVAL = posix_fadvise (fh, offset, length, advice);
1140#else
1141 RETVAL = errno = ENOSYS;
1142#endif
1143 OUTPUT: 2207 OUTPUT:
1144 RETVAL 2208 RETVAL
1145 2209
1146ssize_t 2210IV
1147sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2211sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148 PROTOTYPE: $$$$
1149 CODE: 2212 CODE:
1150 eio_sendfile_sync (ofh, ifh, offset, count); 2213 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2214 OUTPUT:
2215 RETVAL
2216
2217void
2218mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2219 PPCODE:
2220 sv_clear_foreign (scalar);
2221{
2222 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2223 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2224 if (addr == (void *)-1)
2225 XSRETURN_NO;
2226
2227 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2228
2229 if (!(prot & PROT_WRITE))
2230 SvREADONLY_on (scalar);
2231
2232 XSRETURN_YES;
2233}
2234
2235void
2236munmap (SV *scalar)
2237 CODE:
2238 sv_clear_foreign (scalar);
2239
2240SV *
2241mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2242 CODE:
2243{
2244 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2245 void *new;
2246
2247 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2248 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2249
2250 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2251
2252 RETVAL = &PL_sv_no;
2253
2254 if (new != (void *)-1)
2255 {
2256 RETVAL = new == (void *)mg->mg_ptr
2257 ? newSVpvn ("0 but true", 10)
2258 : &PL_sv_yes;
2259
2260 mg->mg_ptr = (char *)new;
2261 mg->mg_obj = (SV *)new_length;
2262
2263 SvPVX (scalar) = mg->mg_ptr;
2264 SvCUR_set (scalar, new_length);
2265 }
2266}
2267 OUTPUT:
2268 RETVAL
2269
2270int
2271madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2272 ALIAS:
2273 mprotect = 1
2274 CODE:
2275{
2276 STRLEN svlen;
2277 void *addr = SvPVbyte (scalar, svlen);
2278 STRLEN len = SvUV (length);
2279
2280 if (offset < 0)
2281 offset += svlen;
2282
2283 if (offset < 0 || offset > svlen)
2284 croak ("offset outside of scalar");
2285
2286 if (!SvOK (length) || len + offset > svlen)
2287 len = svlen - offset;
2288
2289 addr = (void *)(((intptr_t)addr) + offset);
2290 eio_page_align (&addr, &len);
2291
2292 switch (ix)
2293 {
2294 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2295 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2296 }
2297}
2298 OUTPUT:
2299 RETVAL
2300
2301int
2302munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2303 CODE:
2304{
2305 STRLEN svlen;
2306 void *addr = SvPVbyte (scalar, svlen);
2307 size_t len = SvUV (length);
2308
2309 if (offset < 0)
2310 offset += svlen;
2311
2312 if (offset < 0 || offset > svlen)
2313 croak ("offset outside of scalar");
2314
2315 if (!SvOK (length) || len + offset > svlen)
2316 len = svlen - offset;
2317
2318 addr = (void *)(((intptr_t)addr) + offset);
2319 eio_page_align (&addr, &len);
2320#if _POSIX_MEMLOCK_RANGE
2321 RETVAL = munlock (addr, len);
2322#else
2323 RETVAL = EIO_ENOSYS ();
2324#endif
2325}
2326 OUTPUT:
2327 RETVAL
2328
2329int
2330mlockall (int flags)
2331 PROTOTYPE: $;
2332 CODE:
2333 RETVAL = eio_mlockall_sync (flags);
2334 OUTPUT:
2335 RETVAL
2336
2337int
2338munlockall ()
2339 CODE:
2340#if _POSIX_MEMLOCK
2341 munlockall ();
2342#else
2343 RETVAL = EIO_ENOSYS ();
2344#endif
2345 OUTPUT:
2346 RETVAL
2347
2348int
2349statx (SV8 *pathname, int flags, UV mask)
2350 CODE:
2351{
2352 /* undocumented, and might go away, and anyway, should use eio_statx */
2353 SV *wdsv = 0;
2354 SV *pathsv = 0;
2355 eio_wd wd = EIO_CWD;
2356 void *ptr;
2357 int res;
2358
2359 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2360 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2361
2362 SvREFCNT_dec (pathsv);
2363 SvREFCNT_dec (wdsv);
2364}
2365 OUTPUT:
2366 RETVAL
2367
2368U32
2369stx_mode ()
2370 PROTOTYPE:
2371 CODE:
2372#if HAVE_STATX
2373 RETVAL = stx.stx_mode;
2374#else
2375 XSRETURN_UNDEF;
2376#endif
2377 OUTPUT:
2378 RETVAL
2379
2380#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2381#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2382#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2383#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2384#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2385#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2386#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2387#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2388#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2389#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2390#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2391#define STATX_OFFSET_size statx_offsetof (stx_size)
2392#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2393#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2394#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2395#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2396#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2397#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2398
2399U32
2400stx_mask ()
2401 PROTOTYPE:
2402 ALIAS:
2403 stx_mask = STATX_OFFSET_mask
2404 stx_blksize = STATX_OFFSET_blksize
2405 stx_nlink = STATX_OFFSET_nlink
2406 stx_uid = STATX_OFFSET_uid
2407 stx_gid = STATX_OFFSET_gid
2408 stx_rdev_major = STATX_OFFSET_rdev_major
2409 stx_rdev_minor = STATX_OFFSET_rdev_minor
2410 stx_dev_major = STATX_OFFSET_dev_major
2411 stx_dev_minor = STATX_OFFSET_dev_minor
2412 CODE:
2413#if HAVE_STATX
2414 RETVAL = *(__u32 *)((char *)&stx + ix);
2415#else
2416 XSRETURN_UNDEF;
2417#endif
2418 OUTPUT:
2419 RETVAL
2420
2421VAL64
2422stx_attributes ()
2423 PROTOTYPE:
2424 ALIAS:
2425 stx_attributes = STATX_OFFSET_attributes
2426 stx_ino = STATX_OFFSET_ino
2427 stx_size = STATX_OFFSET_size
2428 stx_blocks = STATX_OFFSET_blocks
2429 stx_attributes_mask = STATX_OFFSET_attributes_mask
2430 CODE:
2431#if HAVE_STATX
2432 RETVAL = *(__u64 *)((char *)&stx + ix);
2433#else
2434 XSRETURN_UNDEF;
2435#endif
2436 OUTPUT:
2437 RETVAL
2438
2439NV
2440stx_atime ()
2441 PROTOTYPE:
2442 ALIAS:
2443 stx_atime = STATX_OFFSET_atime
2444 stx_btime = STATX_OFFSET_btime
2445 stx_ctime = STATX_OFFSET_ctime
2446 stx_mtime = STATX_OFFSET_mtime
2447 CODE:
2448#if HAVE_STATX
2449 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2450 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2451#else
2452 XSRETURN_UNDEF;
2453#endif
2454 OUTPUT:
2455 RETVAL
2456
2457VAL64
2458stx_atimesec ()
2459 PROTOTYPE:
2460 ALIAS:
2461 stx_atimesec = STATX_OFFSET_atime
2462 stx_btimesec = STATX_OFFSET_btime
2463 stx_ctimesec = STATX_OFFSET_ctime
2464 stx_mtimesec = STATX_OFFSET_mtime
2465 CODE:
2466#if HAVE_STATX
2467 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2468 RETVAL = ts->tv_sec;
2469#else
2470 XSRETURN_UNDEF;
2471#endif
2472 OUTPUT:
2473 RETVAL
2474
2475U32
2476stx_atimensec ()
2477 PROTOTYPE:
2478 ALIAS:
2479 stx_atimensec = STATX_OFFSET_atime
2480 stx_btimensec = STATX_OFFSET_btime
2481 stx_ctimensec = STATX_OFFSET_ctime
2482 stx_mtimensec = STATX_OFFSET_mtime
2483 CODE:
2484#if HAVE_STATX
2485 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2486 RETVAL = ts->tv_nsec;
2487#else
2488 RETVAL = 0;
2489#endif
2490 OUTPUT:
2491 RETVAL
2492
2493int
2494splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2495 CODE:
2496{
2497#if HAVE_LINUX_SPLICE
2498 loff_t off_in_, off_out_;
2499 RETVAL = splice (
2500 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2501 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2502 length, flags
2503 );
2504#else
2505 RETVAL = EIO_ENOSYS ();
2506#endif
2507}
2508 OUTPUT:
2509 RETVAL
2510
2511int
2512tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2513 CODE:
2514#if HAVE_LINUX_SPLICE
2515 RETVAL = tee (rfh, wfh, length, flags);
2516#else
2517 RETVAL = EIO_ENOSYS ();
2518#endif
2519 OUTPUT:
2520 RETVAL
2521
2522int
2523pipesize (aio_rfd rfh, int new_size = -1)
2524 PROTOTYPE: $;$
2525 CODE:
2526#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2527 if (new_size >= 0)
2528 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2529 else
2530 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2531#else
2532 errno = ENOSYS;
2533 RETVAL = -1;
2534#endif
2535 OUTPUT:
2536 RETVAL
2537
2538void
2539pipe2 (int flags = 0)
2540 PROTOTYPE: ;$
2541 PPCODE:
2542{
2543 int fd[2];
2544 int res;
2545
2546 if (flags)
2547#if HAVE_PIPE2
2548 res = pipe2 (fd, flags);
2549#else
2550 res = (errno = ENOSYS, -1);
2551#endif
2552 else
2553 res = pipe (fd);
2554
2555 if (!res)
2556 {
2557 EXTEND (SP, 2);
2558 PUSHs (newmortalFH (fd[0], O_RDONLY));
2559 PUSHs (newmortalFH (fd[1], O_WRONLY));
2560 }
2561}
2562
2563void
2564eventfd (unsigned int initval = 0, int flags = 0)
2565 PPCODE:
2566{
2567 int fd;
2568#if HAVE_EVENTFD
2569 fd = eventfd (initval, flags);
2570#else
2571 fd = (errno = ENOSYS, -1);
2572#endif
2573
2574 XPUSHs (newmortalFH (fd, O_RDWR));
2575}
2576
2577void
2578timerfd_create (int clockid, int flags = 0)
2579 PPCODE:
2580{
2581 int fd;
2582#if HAVE_TIMERFD
2583 fd = timerfd_create (clockid, flags);
2584#else
2585 fd = (errno = ENOSYS, -1);
2586#endif
2587
2588 XPUSHs (newmortalFH (fd, O_RDWR));
2589}
2590
2591void
2592timerfd_settime (SV *fh, int flags, NV interval, NV value)
2593 PPCODE:
2594{
2595 int fd = s_fileno_croak (fh, 0);
2596#if HAVE_TIMERFD
2597 int res;
2598 struct itimerspec its, ots;
2599
2600 ts_set (&its.it_interval, interval);
2601 ts_set (&its.it_value , value);
2602 res = timerfd_settime (fd, flags, &its, &ots);
2603
2604 if (!res)
2605 {
2606 EXTEND (SP, 2);
2607 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2608 PUSHs (newSVnv (ts_get (&ots.it_value)));
2609 }
2610#else
2611 errno = ENOSYS;
2612#endif
2613}
2614
2615void
2616timerfd_gettime (SV *fh)
2617 PPCODE:
2618{
2619 int fd = s_fileno_croak (fh, 0);
2620#if HAVE_TIMERFD
2621 int res;
2622 struct itimerspec ots;
2623 res = timerfd_gettime (fd, &ots);
2624
2625 if (!res)
2626 {
2627 EXTEND (SP, 2);
2628 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2629 PUSHs (newSVnv (ts_get (&ots.it_value)));
2630 }
2631#else
2632 errno = ENOSYS;
2633#endif
2634}
2635
2636void
2637memfd_create (SV8 *pathname, int flags = 0)
2638 PPCODE:
2639{
2640 int fd;
2641#if HAVE_MEMFD_CREATE
2642 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2643#else
2644 fd = (errno = ENOSYS, -1);
2645#endif
2646
2647 XPUSHs (newmortalFH (fd, O_RDWR));
2648}
2649
2650UV
2651get_fdlimit ()
2652 CODE:
2653#if HAVE_RLIMITS
2654 struct rlimit rl;
2655 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2656 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2657#endif
2658 XSRETURN_UNDEF;
2659 OUTPUT:
2660 RETVAL
2661
2662void
2663min_fdlimit (UV limit = 0x7fffffffU)
2664 CODE:
2665{
2666#if HAVE_RLIMITS
2667 struct rlimit rl;
2668 rlim_t orig_rlim_max;
2669 UV bit;
2670
2671 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2672 goto fail;
2673
2674 if (rl.rlim_cur == RLIM_INFINITY)
2675 XSRETURN_YES;
2676
2677 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2678
2679 if (rl.rlim_cur < limit)
2680 {
2681 rl.rlim_cur = limit;
2682
2683 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2684 rl.rlim_max = rl.rlim_cur;
2685 }
2686
2687 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2688 XSRETURN_YES;
2689
2690 if (errno == EPERM)
2691 {
2692 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2693 /* our limit overflows a system-wide limit */
2694 /* try an adaptive algorithm, but do not lower the hardlimit */
2695 rl.rlim_max = 0;
2696 for (bit = 0x40000000U; bit; bit >>= 1)
2697 {
2698 rl.rlim_max |= bit;
2699 rl.rlim_cur = rl.rlim_max;
2700
2701 /* nevr decrease the hard limit */
2702 if (rl.rlim_max < orig_rlim_max)
2703 break;
2704
2705 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2706 rl.rlim_max &= ~bit; /* too high, remove bit again */
2707 }
2708
2709 /* now, raise the soft limit to the max permitted */
2710 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2711 {
2712 rl.rlim_cur = rl.rlim_max;
2713 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2714 errno = EPERM;
2715 }
2716 }
2717#endif
2718 fail:
2719 XSRETURN_UNDEF;
2720}
1151 2721
1152void _on_next_submit (SV *cb) 2722void _on_next_submit (SV *cb)
1153 CODE: 2723 CODE:
1154 SvREFCNT_dec (on_next_submit); 2724 SvREFCNT_dec (on_next_submit);
1155 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2725 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1156 2726
1157PROTOTYPES: DISABLE 2727PROTOTYPES: DISABLE
1158 2728
2729MODULE = IO::AIO PACKAGE = IO::AIO::WD
2730
2731BOOT:
2732{
2733 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2734 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2735}
2736
2737void
2738DESTROY (SV *self)
2739 CODE:
2740{
2741 aio_wd wd = SvAIO_WD (self);
2742#if HAVE_AT
2743 {
2744 SV *callback = &PL_sv_undef;
2745 dREQ; /* clobbers next_pri :/ */
2746 next_pri = req->pri; /* restore next_pri */
2747 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2748 req->type = EIO_WD_CLOSE;
2749 req->wd = wd;
2750 REQ_SEND;
2751 }
2752#else
2753 eio_wd_close_sync (wd);
2754#endif
2755}
2756
1159MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2757MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1160 2758
1161void 2759void
1162cancel (aio_req_ornot req) 2760cancel (aio_req_ornot req)
1163 CODE: 2761 CODE:
1164 eio_cancel (req); 2762 eio_cancel (req);
1165 2763
1166void 2764void
1167cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2765cb (aio_req_ornot req, SV *callback = NO_INIT)
1168 PPCODE: 2766 PPCODE:
1169{ 2767{
1170 if (GIMME_V != G_VOID) 2768 if (GIMME_V != G_VOID)
1171 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2769 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1172 2770
1173 if (items > 1) 2771 if (items > 1)
1174 { 2772 {
1175 SV *cb_cv =get_cb (callback); 2773 SV *cb_cv = get_cb (callback);
1176 2774
1177 SvREFCNT_dec (req->callback); 2775 SvREFCNT_dec (req->callback);
1178 req->callback = SvREFCNT_inc (cb_cv); 2776 req->callback = SvREFCNT_inc (cb_cv);
1179 } 2777 }
1180} 2778}
… …
1237limit (aio_req grp, int limit) 2835limit (aio_req grp, int limit)
1238 CODE: 2836 CODE:
1239 eio_grp_limit (grp, limit); 2837 eio_grp_limit (grp, limit);
1240 2838
1241void 2839void
1242feed (aio_req grp, SV *callback=&PL_sv_undef) 2840feed (aio_req grp, SV *callback = &PL_sv_undef)
1243 CODE: 2841 CODE:
1244{ 2842{
1245 SvREFCNT_dec (grp->sv2); 2843 SvREFCNT_dec (grp->sv2);
1246 grp->sv2 = newSVsv (callback); 2844 grp->sv2 = newSVsv (callback);
1247 grp->feed = aio_grp_feed; 2845 grp->feed = aio_grp_feed;

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