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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.143 by root, Sat Jun 6 19:44:17 2009 UTC vs.
Revision 1.299 by root, Mon Sep 26 10:30:53 2022 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"
9
10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
8 13
9#include <stddef.h> 14#include <stddef.h>
10#include <stdlib.h> 15#include <stdlib.h>
11#include <errno.h> 16#include <errno.h>
12#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
13#include <sys/stat.h> 19#include <sys/stat.h>
14#include <limits.h> 20#include <limits.h>
15#include <fcntl.h> 21#include <fcntl.h>
16#include <sched.h> 22#include <sched.h>
17 23
18/* perl namespace pollution */ 24/* perl namespace pollution */
19#undef VERSION 25#undef VERSION
20
21#ifdef _WIN32
22
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions
28# undef open
29# undef read
30# undef write
31# undef send
32# undef recv
33# undef stat
34# undef fstat
35# define lstat stat
36# undef truncate
37# undef ftruncate
38# undef open
39# undef close
40# undef unlink
41# undef rmdir
42# undef rename
43# undef lseek
44
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)
55# define readdir(fd) (errno = ENOSYS, -1)
56# define closedir(fd) (errno = ENOSYS, -1)
57# define mkdir(a,b) mkdir (a)
58
59#else
60
61# include <sys/time.h>
62# include <sys/select.h>
63# include <unistd.h>
64# include <utime.h>
65# include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67
68#endif
69 26
70/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
71/* with thread-unsafe versions, imagine that :( */ 28/* with thread-unsafe versions, imagine that :( */
72#undef readdir 29#undef readdir
73#undef opendir 30#undef opendir
74#undef closedir 31#undef closedir
75 32
33#ifdef _WIN32
34
35 // perl overrides all those nice libc functions
36
37 #undef malloc
38 #undef free
39 #undef open
40 #undef read
41 #undef write
42 #undef send
43 #undef recv
44 #undef stat
45 #undef lstat
46 #undef fstat
47 #undef truncate
48 #undef ftruncate
49 #undef open
50 #undef link
51 #undef close
52 #undef unlink
53 #undef mkdir
54 #undef rmdir
55 #undef rename
56 #undef lseek
57 #undef opendir
58 #undef readdir
59 #undef closedir
60 #undef chmod
61 #undef fchmod
62 #undef dup
63 #undef dup2
64 #undef abort
65 #undef pipe
66 #undef utime
67
68 #define EIO_STRUCT_STAT struct _stati64
69 #define EIO_STRUCT_STATI64
70
71#else
72
73 #include <sys/time.h>
74 #include <sys/select.h>
75 #include <sys/wait.h>
76 #include <unistd.h>
77 #include <utime.h>
78 #include <signal.h>
79
76#define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STAT Stat_t
77 81
78/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8
80# define SvVAL64 SvIV
81#else
82# define SvVAL64 SvNV
83#endif 82#endif
84 83
85/*****************************************************************************/ 84/*****************************************************************************/
86 85
87#if __GNUC__ >= 3 86#if __GNUC__ >= 3
… …
93#define expect_false(expr) expect ((expr) != 0, 0) 92#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 93#define expect_true(expr) expect ((expr) != 0, 1)
95 94
96/*****************************************************************************/ 95/*****************************************************************************/
97 96
98static HV *stash; 97#include "config.h"
98
99#if HAVE_SYS_MKDEV_H
100# include <sys/mkdev.h>
101#elif HAVE_SYS_SYSMACROS_H
102# include <sys/sysmacros.h>
103#endif
104
105#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
106# include <sys/mman.h>
107#endif
108
109#if HAVE_SYS_UIO_H
110# include <sys/uio.h>
111#endif
112
113/* MUST be included before linux/fs.h, as the latter includes
114 * linux/mount.h, which is incompatible to sys/mount.h
115 */
116#if HAVE_SYS_MOUNT_H
117# include <sys/mount.h>
118#endif
119
120/* the incompetent fool that created musl keeps __linux__, refuses
121 * to implement any linux standard apis, and also has no way to test
122 * for his broken implementation. don't complain to me if this fails
123 * for you.
124 */
125#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
126# include <linux/fs.h> /* MUST be included after sys/mount.h */
127# ifdef FS_IOC_FIEMAP
128# include <linux/types.h>
129# include <linux/fiemap.h>
130# undef HAVE_FIEMAP
131# define HAVE_FIEMAP 1
132# endif
133#endif
134
135#if HAVE_ST_XTIMENSEC
136# define ATIMENSEC PL_statcache.st_atimensec
137# define MTIMENSEC PL_statcache.st_mtimensec
138# define CTIMENSEC PL_statcache.st_ctimensec
139#elif HAVE_ST_XTIMESPEC
140# define ATIMENSEC PL_statcache.st_atim.tv_nsec
141# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
142# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
143#else
144# define ATIMENSEC 0
145# define MTIMENSEC 0
146# define CTIMENSEC 0
147#endif
148
149#if HAVE_ST_BIRTHTIMENSEC
150# define BTIMESEC PL_statcache.st_birthtime
151# define BTIMENSEC PL_statcache.st_birthtimensec
152#elif HAVE_ST_BIRTHTIMESPEC
153# define BTIMESEC PL_statcache.st_birthtim.tv_sec
154# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
155#else
156# define BTIMESEC 0
157# define BTIMENSEC 0
158#endif
159
160#if HAVE_ST_GEN
161# define ST_GEN PL_statcache.st_gen
162#else
163# define ST_GEN 0
164#endif
165
166#include "schmorp.h"
167
168#if HAVE_EVENTFD
169# include <sys/eventfd.h>
170#endif
171
172#if HAVE_TIMERFD
173# include <sys/timerfd.h>
174#endif
175
176#if HAVE_RLIMITS
177 #include <sys/time.h>
178 #include <sys/resource.h>
179#endif
180
99typedef SV SV8; /* byte-sv, used for argument-checking */ 181typedef SV SV8; /* byte-sv, used for argument-checking */
182typedef char *octet_string;
183typedef char *octet_string_ornull;
184typedef int aio_rfd; /* read file desriptor */
185typedef int aio_wfd; /* write file descriptor */
100 186
101#define AIO_REQ_KLASS "IO::AIO::REQ" 187static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103 188
104#define EIO_REQ_MEMBERS \ 189#define EIO_REQ_MEMBERS \
105 SV *callback; \ 190 SV *callback; \
106 SV *sv1, *sv2; \ 191 SV *sv1, *sv2; \
192 SV *sv3, *sv4; \
107 STRLEN stroffset; \ 193 STRLEN stroffset; \
108 SV *self; 194 SV *self;
109 195
110#define EIO_NO_WRAPPERS 1 196#define EIO_NO_WRAPPERS 1
111 197
… …
114static int req_invoke (eio_req *req); 200static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 201#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 202static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 203#define EIO_DESTROY(req) req_destroy (req)
118 204
205#include "libeio/eio.c"
206
207#if !HAVE_POSIX_FADVISE
208# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
209#endif
210
211#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef MAP_ANONYMOUS
216# ifdef MAP_ANON
217# define MAP_ANONYMOUS MAP_ANON
218# else
219# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
220# endif
221#endif
222
223#ifndef makedev
224# define makedev(maj,min) (((maj) << 8) | (min))
225#endif
226#ifndef major
227# define major(dev) ((dev) >> 8)
228#endif
229#ifndef minor
230# define minor(dev) ((dev) & 0xff)
231#endif
232
233/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
234#ifdef __sun
235# undef PAGESIZE
236#endif
237
238#if PAGESIZE <= 0
239# define PAGESIZE sysconf (_SC_PAGESIZE)
240#endif
241
242/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
243#ifdef __sun
244# undef HAVE_SYSCALL
245#endif
246
247#if HAVE_SYSCALL
248#include <sys/syscall.h>
249#else
250# define syscall(nr,...) (errno = ENOSYS, -1)
251#endif
252
253/*****************************************************************************/
254
255#if !_POSIX_MAPPED_FILES
256# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
257# define munmap(addr,length) EIO_ENOSYS ()
258#endif
259
260#if !_POSIX_MEMORY_PROTECTION
261# define mprotect(addr,len,prot) EIO_ENOSYS ()
262#endif
263
264#if !MREMAP_MAYMOVE
265# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
266#endif
267
268#define FOREIGN_MAGIC PERL_MAGIC_ext
269
270static int ecb_cold
271mmap_free (pTHX_ SV *sv, MAGIC *mg)
272{
273 int old_errno = errno;
274 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
275 errno = old_errno;
276
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::mmap-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 mmap_vtbl = {
292 0, 0, 0, 0, mmap_free
293};
294
295static int ecb_cold
296sysfree_free (pTHX_ SV *sv, MAGIC *mg)
297{
298 free (mg->mg_ptr);
299 mg->mg_obj = 0; /* just in case */
300
301 SvREADONLY_off (sv);
302
303 if (SvPVX (sv) != mg->mg_ptr)
304 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
305
306 SvCUR_set (sv, 0);
307 SvPVX (sv) = 0;
308 SvOK_off (sv);
309
310 return 0;
311}
312
313static MGVTBL sysfree_vtbl = {
314 0, 0, 0, 0, sysfree_free
315};
316
317/*****************************************************************************/
318
319/* helper: set scalar to foreign ptr with custom free */
320ecb_noinline
321static void
322sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
323{
324 sv_force_normal (sv);
325
326 /* we store the length in mg_obj, as namlen is I32 :/ */
327 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
328 ->mg_obj = (SV *)length;
329
330 SvUPGRADE (sv, SVt_PV); /* nop... */
331
332 if (SvLEN (sv))
333 Safefree (SvPVX (sv));
334
335 SvPVX (sv) = (char *)addr;
336 SvCUR_set (sv, length);
337 SvLEN_set (sv, 0);
338 SvPOK_only (sv);
339}
340
341static void
342sv_clear_foreign (SV *sv)
343{
344 /* todo: iterate over magic and only free ours, but of course */
345 /* the perl5porters will call that (correct) behaviour buggy */
346 sv_unmagic (sv, FOREIGN_MAGIC);
347}
348
349/*****************************************************************************/
350
351/* defines all sorts of constants to 0 unless they are already defined */
352/* also provides const_iv_ and const_niv_ macros for them */
353#include "def0.h"
354
355/*****************************************************************************/
356
357static void
358fiemap (eio_req *req)
359{
360 req->result = -1;
361
362#if HAVE_FIEMAP
363 /* assume some c99 */
364 struct fiemap *fiemap = 0;
365 size_t end_offset;
366 int count = req->int3;
367
368 req->flags |= EIO_FLAG_PTR1_FREE;
369
370 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
371 /* increase in fixed steps */
372 if (count < 0)
373 count = 8;
374
375 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
376 errno = ENOMEM;
377 if (!fiemap)
378 return;
379
380 req->ptr1 = fiemap;
381
382 fiemap->fm_start = req->offs;
383 fiemap->fm_length = req->size;
384 fiemap->fm_flags = req->int2;
385 fiemap->fm_extent_count = count;
386
387 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
388 return;
389
390 if (req->int3 >= 0 /* not autosizing */
391 || !fiemap->fm_mapped_extents /* no more extents */
392 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
393 goto done;
394
395 /* else we have to loop -
396 * it would be tempting (actually I tried that first) to just query the
397 * number of extents needed, but linux often feels like not returning all
398 * extents, without telling us it left any out. this complicates
399 * this quite a bit.
400 */
401
402 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
403
404 for (;;)
405 {
406 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
407 char scratch[3072];
408 struct fiemap *incmap = (struct fiemap *)scratch;
409
410 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
411 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
412 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
413 incmap->fm_flags = fiemap->fm_flags;
414 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
415
416 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
417 return;
418
419 if (!incmap->fm_mapped_extents)
420 goto done;
421
422 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
423 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
424 errno = ENOMEM;
425 if (!fiemap)
426 return;
427
428 req->ptr1 = fiemap;
429
430 for (count = 0; count < incmap->fm_mapped_extents; ++count)
431 {
432 struct fiemap_extent *e = incmap->fm_extents + count;
433
434 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
435
436 if (e->fe_logical >= end_offset)
437 goto done;
438
439 if (e->fe_flags & FIEMAP_EXTENT_LAST)
440 goto done;
441
442 }
443 }
444
445done:
446 req->result = 0;
447
448#else
449 errno = ENOSYS;
450#endif
451}
452
453/*****************************************************************************/
454
455static int close_fd; /* dummy fd to close fds via dup2 */
456
457#if HAVE_STATX
458static struct statx stx;
459#define statx_offsetof(member) offsetof (struct statx, member)
460#define eio__statx statx
461#else
462#define statx_offsetof(member) 0
463#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
464#endif
465
119enum { 466enum {
120 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 467 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121}; 468};
122 469
123#include "libeio/eio.c"
124
125typedef eio_req *aio_req; 470typedef eio_req *aio_req;
126typedef eio_req *aio_req_ornot; 471typedef eio_req *aio_req_ornot;
472typedef eio_wd aio_wd;
127 473
128static SV *on_next_submit; 474static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 475static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 476static int max_outstanding;
131 477
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 478static s_epipe respipe;
133 479
134static void req_destroy (aio_req req); 480static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 481static void req_cancel (aio_req req);
136 482
137static void want_poll (void) 483static void
484want_poll (void)
138{ 485{
139 /* write a dummy byte to the pipe so fh becomes ready */ 486 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 487 s_epipe_signal (&respipe);
141} 488}
142 489
143static void done_poll (void) 490static void
491done_poll (void)
144{ 492{
145 /* read any signals sent by the worker threads */ 493 /* read any signals sent by the worker threads */
146 char buf [4]; 494 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 495}
150 496
151/* must be called at most once */ 497/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 498ecb_noinline
499static SV *
500req_sv (aio_req req, HV *stash)
153{ 501{
154 if (!req->self) 502 if (!req->self)
155 { 503 {
156 req->self = (SV *)newHV (); 504 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 505 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 506 }
159 507
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 508 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 509}
162 510
163static aio_req SvAIO_REQ (SV *sv) 511static SV *
512newSVaio_wd (aio_wd wd)
513{
514 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
515}
516
517ecb_noinline
518static aio_req
519SvAIO_REQ (SV *sv)
164{ 520{
165 MAGIC *mg; 521 MAGIC *mg;
166 522
167 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 523 if (!SvROK (sv)
524 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
525 || (SvSTASH (SvRV (sv)) != aio_grp_stash
526 && SvSTASH (SvRV (sv)) != aio_req_stash
527 && !sv_derived_from (sv, "IO::AIO::REQ")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 528 croak ("object of class IO::AIO::REQ expected");
169 529
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 530 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 531
172 return mg ? (aio_req)mg->mg_ptr : 0; 532 return mg ? (aio_req)mg->mg_ptr : 0;
173} 533}
174 534
535static aio_wd
536SvAIO_WD (SV *sv)
537{
538 if (!SvROK (sv)
539 || SvTYPE (SvRV (sv)) != SVt_PVMG
540 || SvSTASH (SvRV (sv)) != aio_wd_stash)
541 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
542
543 return (aio_wd)(long)SvIVX (SvRV (sv));
544}
545
546static SV *
547newmortalFH (int fd, int flags)
548{
549 if (fd < 0)
550 return &PL_sv_undef;
551
552 GV *gv = (GV *)sv_newmortal ();
553 char sym[64];
554 int symlen;
555
556 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
557 gv_init (gv, aio_stash, sym, symlen, 0);
558
559 symlen = snprintf (
560 sym,
561 sizeof (sym),
562 "%s&=%d",
563 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
564 fd
565 );
566
567 return do_open (gv, sym, symlen, 0, 0, 0, 0)
568 ? (SV *)gv : &PL_sv_undef;
569}
570
571static void
175static void aio_grp_feed (aio_req grp) 572aio_grp_feed (aio_req grp)
176{ 573{
177 if (grp->sv2 && SvOK (grp->sv2)) 574 if (grp->sv2 && SvOK (grp->sv2))
178 { 575 {
179 dSP; 576 dSP;
180 577
181 ENTER; 578 ENTER;
182 SAVETMPS; 579 SAVETMPS;
183 PUSHMARK (SP); 580 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 581 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 582 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 583 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 584 SPAGAIN;
188 FREETMPS; 585 FREETMPS;
189 LEAVE; 586 LEAVE;
190 } 587 }
191} 588}
192 589
590ecb_noinline
591static void
193static void req_submit (eio_req *req) 592req_submit (eio_req *req)
194{ 593{
195 eio_submit (req); 594 eio_submit (req);
196 595
197 if (expect_false (on_next_submit)) 596 if (expect_false (on_next_submit))
198 { 597 {
… …
205 PUTBACK; 604 PUTBACK;
206 call_sv (cb, G_DISCARD | G_EVAL); 605 call_sv (cb, G_DISCARD | G_EVAL);
207 } 606 }
208} 607}
209 608
609static int
210static int req_invoke (eio_req *req) 610req_invoke (eio_req *req)
211{ 611{
212 dSP;
213
214 if (req->flags & FLAG_SV2_RO_OFF) 612 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2); 613 SvREADONLY_off (req->sv2);
216 614
217 if (!EIO_CANCELLED (req) && req->callback) 615 if (!EIO_CANCELLED (req) && req->callback)
218 { 616 {
617 dSP;
618 static SV *sv_result_cache; /* caches the result integer SV */
619 SV *sv_result;
620
219 ENTER; 621 ENTER;
220 SAVETMPS; 622 SAVETMPS;
221 PUSHMARK (SP); 623 PUSHMARK (SP);
222 EXTEND (SP, 1); 624 EXTEND (SP, 1);
223 625
626 /* do not recreate the result IV from scratch each time */
627 if (expect_true (sv_result_cache))
628 {
629 sv_result = sv_result_cache; sv_result_cache = 0;
630 SvIV_set (sv_result, req->result);
631 SvIOK_only (sv_result);
632 }
633 else
634 {
635 sv_result = newSViv (req->result);
636 SvREADONLY_on (sv_result);
637 }
638
224 switch (req->type) 639 switch (req->type)
225 { 640 {
641 case EIO_WD_OPEN:
642 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
643 break;
644
226 case EIO_READDIR: 645 case EIO_READDIR:
227 { 646 {
228 SV *rv = &PL_sv_undef; 647 SV *rv = &PL_sv_undef;
229 648
230 if (req->result >= 0) 649 if (req->result >= 0)
231 { 650 {
232 int i; 651 int i;
233 char *buf = req->ptr2; 652 char *names = (char *)req->ptr2;
653 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 654 AV *av = newAV ();
235 655
236 av_extend (av, req->result - 1); 656 av_extend (av, req->result - 1);
237 657
238 for (i = 0; i < req->result; ++i) 658 for (i = 0; i < req->result; ++i)
239 { 659 {
240 if (req->int1 & EIO_READDIR_DENTS) 660 if (req->int1 & EIO_READDIR_DENTS)
241 { 661 {
242 eio_dirent *ent = (eio_dirent *)buf;
243 SV *namesv = newSVpvn (ent->name, ent->namelen); 662 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244 663
245 if (req->int1 & EIO_READDIR_CUSTOM2) 664 if (req->int1 & EIO_READDIR_CUSTOM2)
246 { 665 {
247 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ 666 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248 AV *avent = newAV (); 667 AV *avent = newAV ();
… …
262 av_store (av, i, newRV_noinc ((SV *)avent)); 681 av_store (av, i, newRV_noinc ((SV *)avent));
263 } 682 }
264 else 683 else
265 av_store (av, i, namesv); 684 av_store (av, i, namesv);
266 685
267 buf += sizeof (eio_dirent); 686 ++ent;
268 } 687 }
269 else 688 else
270 { 689 {
271 SV *name = newSVpv (buf, 0); 690 SV *name = newSVpv (names, 0);
272 av_store (av, i, name); 691 av_store (av, i, name);
273 buf += SvCUR (name) + 1; 692 names += SvCUR (name) + 1;
274 } 693 }
275 } 694 }
276 695
277 rv = sv_2mortal (newRV_noinc ((SV *)av)); 696 rv = sv_2mortal (newRV_noinc ((SV *)av));
278 } 697 }
… …
283 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 702 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
284 } 703 }
285 break; 704 break;
286 705
287 case EIO_OPEN: 706 case EIO_OPEN:
707 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
708 break;
709
710 case EIO_STATVFS:
711 case EIO_FSTATVFS:
288 { 712 {
289 /* convert fd to fh */
290 SV *fh = &PL_sv_undef; 713 SV *rv = &PL_sv_undef;
291 714
715#ifndef _WIN32
292 if (req->result >= 0) 716 if (req->result >= 0)
293 { 717 {
718 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
294 GV *gv = (GV *)sv_newmortal (); 719 HV *hv = newHV ();
295 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 720 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
296 char sym [64]; 721 * chooses to make it a struct.
297 int symlen;
298 722 */
299 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 723 unsigned long fsid = 0;
300 gv_init (gv, stash, sym, symlen, 0); 724 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
301 725
302 symlen = snprintf ( 726 rv = sv_2mortal (newRV_noinc ((SV *)hv));
303 sym,
304 sizeof (sym),
305 "%s&=%d",
306 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307 req->result
308 );
309 727
310 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 728 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
311 fh = (SV *)gv; 729 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
730 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
731 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
732 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
733 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
734 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
735 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
736 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
737 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
738 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
312 } 739 }
740#endif
313 741
314 PUSHs (fh); 742 PUSHs (rv);
315 } 743 }
744
316 break; 745 break;
317 746
318 case EIO_GROUP: 747 case EIO_GROUP:
319 req->int1 = 2; /* mark group as finished */ 748 req->int1 = 2; /* mark group as finished */
320 749
… …
332 case EIO_NOP: 761 case EIO_NOP:
333 case EIO_BUSY: 762 case EIO_BUSY:
334 break; 763 break;
335 764
336 case EIO_READLINK: 765 case EIO_READLINK:
766 case EIO_REALPATH:
337 if (req->result > 0) 767 if (req->result > 0)
338 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 768 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
339 break; 769 break;
340 770
341 case EIO_STAT: 771 case EIO_STAT:
342 case EIO_LSTAT: 772 case EIO_LSTAT:
343 case EIO_FSTAT: 773 case EIO_FSTAT:
344 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 774 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
775
345 PL_laststatval = req->result; 776 if (!(PL_laststatval = req->result))
777 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
346 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 778 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347 PUSHs (sv_2mortal (newSViv (req->result))); 779
780 PUSHs (sv_result);
781 break;
782
783 case EIO_SEEK:
784 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
348 break; 785 break;
349 786
350 case EIO_READ: 787 case EIO_READ:
351 { 788 {
352 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 789 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
353 *SvEND (req->sv2) = 0; 790 *SvEND (req->sv2) = 0;
354 SvPOK_only (req->sv2); 791 SvPOK_only (req->sv2);
355 SvSETMAGIC (req->sv2); 792 SvSETMAGIC (req->sv2);
356 PUSHs (sv_2mortal (newSViv (req->result))); 793 PUSHs (sv_result);
357 } 794 }
358 break; 795 break;
359 796
360 case EIO_DUP2: 797 case EIO_SLURP:
798 {
799 if (req->result >= 0)
800 {
801 /* if length was originally not known, we steal the malloc'ed memory */
802 if (req->flags & EIO_FLAG_PTR2_FREE)
803 {
804 req->flags &= ~EIO_FLAG_PTR2_FREE;
805 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
806 }
807 else
808 {
809 SvCUR_set (req->sv2, req->result);
810 *SvEND (req->sv2) = 0;
811 SvPOK_only (req->sv2);
812 }
813
814 SvSETMAGIC (req->sv2);
815 }
816
817 PUSHs (sv_result);
818 }
819 break;
820
821 case EIO_CUSTOM:
822 if (req->feed == fiemap)
823 {
824#if HAVE_FIEMAP
825 if (!req->result)
826 {
827 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
828
829 if (fiemap->fm_extent_count)
830 {
831 AV *av = newAV ();
832 int i;
833
834 while (fiemap->fm_mapped_extents)
835 {
836 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
837 AV *ext_av = newAV ();
838
839 av_store (ext_av, 3, newSVuv (extent->fe_flags));
840 av_store (ext_av, 2, newSVval64 (extent->fe_length));
841 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
842 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
843
844 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
845 }
846
847 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
848 }
849 else
850 {
851 SvIV_set (sv_result, fiemap->fm_mapped_extents);
852 PUSHs (sv_result);
853 }
854 }
855#endif
856 }
857 else
858 PUSHs (sv_result);
859 break;
860
861#if 0
862 case EIO_CLOSE:
863 PerlIOUnix_refcnt_dec (req->int1);
864 break;
865#endif
866
867 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
361 if (req->result > 0) 868 if (req->result > 0)
362 req->result = 0; 869 SvIV_set (sv_result, 0);
363 /* FALLTHROUGH */ 870 /* FALLTHROUGH */
364 871
365 default: 872 default:
366 PUSHs (sv_2mortal (newSViv (req->result))); 873 PUSHs (sv_result);
367 break; 874 break;
368 } 875 }
369 876
370 errno = req->errorno; 877 errno = req->errorno;
371 878
372 PUTBACK; 879 PUTBACK;
373 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 880 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374 SPAGAIN; 881 SPAGAIN;
375 882
883 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
884 SvREFCNT_dec (sv_result);
885 else
886 sv_result_cache = sv_result;
887
376 FREETMPS; 888 FREETMPS;
377 LEAVE; 889 LEAVE;
378 890
379 PUTBACK; 891 PUTBACK;
380 } 892 }
381 893
382 return !!SvTRUE (ERRSV); 894 return !!SvTRUE (ERRSV);
383} 895}
384 896
897static void
385static void req_destroy (aio_req req) 898req_destroy (aio_req req)
386{ 899{
387 if (req->self) 900 if (req->self)
388 { 901 {
389 sv_unmagic (req->self, PERL_MAGIC_ext); 902 sv_unmagic (req->self, PERL_MAGIC_ext);
390 SvREFCNT_dec (req->self); 903 SvREFCNT_dec (req->self);
391 } 904 }
392 905
393 SvREFCNT_dec (req->sv1); 906 SvREFCNT_dec (req->sv1);
394 SvREFCNT_dec (req->sv2); 907 SvREFCNT_dec (req->sv2);
908 SvREFCNT_dec (req->sv3);
909 SvREFCNT_dec (req->sv4);
395 SvREFCNT_dec (req->callback); 910 SvREFCNT_dec (req->callback);
396 911
397 Safefree (req); 912 free (req);
398} 913}
399 914
915static void
400static void req_cancel_subs (aio_req grp) 916req_cancel_subs (aio_req grp)
401{ 917{
402 aio_req sub;
403
404 if (grp->type != EIO_GROUP) 918 if (grp->type != EIO_GROUP)
405 return; 919 return;
406 920
407 SvREFCNT_dec (grp->sv2); 921 SvREFCNT_dec (grp->sv2);
408 grp->sv2 = 0; 922 grp->sv2 = 0;
409 923
410 eio_grp_cancel (grp); 924 eio_grp_cancel (grp);
411} 925}
412 926
413#ifdef USE_SOCKETS_AS_HANDLES 927ecb_cold
414# define TO_SOCKET(x) (win32_get_osfhandle (x))
415#else
416# define TO_SOCKET(x) (x)
417#endif
418
419static void 928static void
420create_respipe (void) 929create_respipe (void)
421{ 930{
422 int old_readfd = respipe [0];
423
424 if (respipe [1] >= 0)
425 respipe_close (TO_SOCKET (respipe [1]));
426
427#ifdef _WIN32
428 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429#else
430 if (pipe (respipe)) 931 if (s_epipe_renew (&respipe))
431#endif
432 croak ("unable to initialize result pipe"); 932 croak ("IO::AIO: unable to initialize result pipe");
433
434 if (old_readfd >= 0)
435 {
436 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437 croak ("unable to initialize result pipe(2)");
438
439 respipe_close (respipe [0]);
440 respipe [0] = old_readfd;
441 }
442
443#ifdef _WIN32
444 int arg = 1;
445 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447#else
448 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450#endif
451 croak ("unable to initialize result pipe(3)");
452
453 respipe_osf [0] = TO_SOCKET (respipe [0]);
454 respipe_osf [1] = TO_SOCKET (respipe [1]);
455} 933}
456 934
457static void poll_wait (void) 935static void
936poll_wait (void)
458{ 937{
459 fd_set rfd;
460
461 while (eio_nreqs ()) 938 while (eio_nreqs ())
462 { 939 {
463 int size; 940 int size;
464 941
465 X_LOCK (reslock); 942 X_LOCK (EIO_POOL->reslock);
466 size = res_queue.size; 943 size = EIO_POOL->res_queue.size;
467 X_UNLOCK (reslock); 944 X_UNLOCK (EIO_POOL->reslock);
468 945
469 if (size) 946 if (size)
470 return; 947 return;
471 948
472 etp_maybe_start_thread (); 949 etp_maybe_start_thread (EIO_POOL);
473 950
474 FD_ZERO (&rfd); 951 s_epipe_wait (&respipe);
475 FD_SET (respipe [0], &rfd);
476
477 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478 } 952 }
479} 953}
480 954
481static int poll_cb (void) 955static int
956poll_cb (void)
482{ 957{
483 for (;;) 958 for (;;)
484 { 959 {
485 int res = eio_poll (); 960 int res = eio_poll ();
486 961
… …
492 967
493 poll_wait (); 968 poll_wait ();
494 } 969 }
495} 970}
496 971
497static void atfork_child (void) 972ecb_cold
973static void
974reinit (void)
498{ 975{
499 create_respipe (); 976 create_respipe ();
977
978 if (eio_init (want_poll, done_poll) < 0)
979 croak ("IO::AIO: unable to initialise eio library");
500} 980}
981
982/*****************************************************************************/
501 983
502static SV * 984static SV *
503get_cb (SV *cb_sv) 985get_cb (SV *cb_sv)
504{ 986{
505 HV *st; 987 SvGETMAGIC (cb_sv);
506 GV *gvp; 988 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
989}
990
991ecb_noinline
992static aio_req ecb_noinline
993dreq (SV *callback)
994{
507 CV *cv; 995 SV *cb_cv;
996 aio_req req;
997 int req_pri = next_pri;
998 next_pri = EIO_PRI_DEFAULT;
508 999
509 if (!SvOK (cb_sv)) 1000 cb_cv = get_cb (callback);
1001
1002 req = calloc (sizeof (*req), 1);
1003 if (!req)
1004 croak ("out of memory during eio_req allocation");
1005
1006 req->callback = SvREFCNT_inc (cb_cv);
1007 req->pri = req_pri;
1008
510 return 0; 1009 return req;
511
512 cv = sv_2cv (cb_sv, &st, &gvp, 0);
513
514 if (!cv)
515 croak ("IO::AIO callback must be undef or a CODE reference");
516
517 return (SV *)cv;
518} 1010}
519 1011
520#define dREQ \ 1012#define dREQ \
521 SV *cb_cv; \ 1013 aio_req req = dreq (callback); \
522 aio_req req; \
523 int req_pri = next_pri; \
524 next_pri = EIO_PRI_DEFAULT; \
525 \
526 cb_cv = get_cb (callback); \
527 \
528 Newz (0, req, 1, eio_req); \
529 if (!req) \
530 croak ("out of memory during eio_req allocation"); \
531 \
532 req->callback = SvREFCNT_inc (cb_cv); \
533 req->pri = req_pri
534 1014
535#define REQ_SEND \ 1015#define REQ_SEND \
536 PUTBACK; \ 1016 PUTBACK; \
537 req_submit (req); \ 1017 req_submit (req); \
538 SPAGAIN; \ 1018 SPAGAIN; \
539 \ 1019 \
540 if (GIMME_V != G_VOID) \ 1020 if (GIMME_V != G_VOID) \
541 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 1021 XPUSHs (req_sv (req, aio_req_stash));
542 1022
1023/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1024ecb_inline
1025void
1026req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1027{
1028 if (expect_false (SvROK (path)))
1029 {
1030 SV *rv = SvRV (path);
1031 SV *wdob;
1032
1033 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1034 {
1035 path = AvARRAY (rv)[1];
1036 wdob = AvARRAY (rv)[0];
1037
1038 if (SvOK (wdob))
1039 {
1040 *wd = SvAIO_WD (wdob);
1041 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1042 }
1043 else
1044 *wd = EIO_INVALID_WD;
1045 }
1046 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1047 {
1048 *wd = (aio_wd)(long)SvIVX (rv);
1049 *wdsv = SvREFCNT_inc_NN (rv);
1050 *ptr = ".";
1051 return; /* path set to "." */
1052 }
1053 else
1054 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1055 }
1056
1057 *pathsv = newSVsv (path);
1058 *ptr = SvPVbyte_nolen (*pathsv);
1059}
1060
1061ecb_noinline
543static int 1062static void
544extract_fd (SV *fh, int wr) 1063req_set_path1 (aio_req req, SV *path)
545{ 1064{
546 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); 1065 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1066}
547 1067
548 if (fd < 0) 1068ecb_noinline
549 croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); 1069static void
1070req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1071{
1072 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
550 1073
1074 switch (SvTYPE (rv))
1075 {
1076 case SVt_PVIO:
1077 case SVt_PVLV:
1078 case SVt_PVGV:
1079 req->type = type_fh;
1080 req->sv1 = newSVsv (fh_or_path);
1081 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1082 break;
1083
1084 default:
1085 req->type = type_path;
1086 req_set_path1 (req, fh_or_path);
1087 break;
1088 }
1089}
1090
1091/*****************************************************************************/
1092
1093static void
1094ts_set (struct timespec *ts, NV value)
1095{
1096 ts->tv_sec = value;
1097 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1098}
1099
1100static NV
1101ts_get (const struct timespec *ts)
1102{
1103 return ts->tv_sec + ts->tv_nsec * 1e-9;
1104}
1105
1106/*****************************************************************************/
1107
1108/* extract a ref-to-array of strings into a temporary c style string vector */
1109static char **
1110extract_stringvec (SV *sv, const char *croakmsg)
1111{
1112 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1113 croak ("%s", croakmsg);
1114
1115 AV *av = (AV *)SvRV (sv);
1116 int i, nelem = av_len (av) + 1;
1117 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1118
1119 for (i = 0; i < nelem; ++i)
1120 {
1121 SV **e = av_fetch (av, i, 0);
1122
1123 if (e && *e)
1124 vecp[i] = SvPVbyte_nolen (*e);
1125 else
1126 vecp[i] = "";
1127 }
1128
1129 vecp[nelem] = 0;
1130
551 return fd; 1131 return vecp;
552} 1132}
1133
1134/*****************************************************************************/
1135
1136XS(boot_IO__AIO) ecb_cold;
553 1137
554MODULE = IO::AIO PACKAGE = IO::AIO 1138MODULE = IO::AIO PACKAGE = IO::AIO
555 1139
556PROTOTYPES: ENABLE 1140PROTOTYPES: ENABLE
557 1141
558BOOT: 1142BOOT:
559{ 1143{
560 stash = gv_stashpv ("IO::AIO", 1);
561
562 static const struct { 1144 static const struct {
563 const char *name; 1145 const char *name;
564 IV iv; 1146 IV iv;
565 } *civ, const_iv[] = { 1147 } *civ, const_iv[] = {
566# define const_iv(name, value) { # name, (IV) value }, 1148# define const_niv(name, value) { # name, (IV) value },
1149# define const_iv(name) { # name, (IV) name },
567# define const_eio(name) { # name, (IV) EIO_ ## name }, 1150# define const_eio(name) { # name, (IV) EIO_ ## name },
568 const_iv (EXDEV , EXDEV) 1151
1152 /* you have to re-run ./gendef0 after adding/removing any constants here */
1153 /* the first block can be undef if missing */
569 const_iv (ENOSYS , ENOSYS) 1154 const_iv (ENOSYS)
1155 const_iv (EXDEV)
1156 const_iv (EBADR)
1157
1158 /* for lseek */
1159 const_iv (SEEK_DATA)
1160 const_iv (SEEK_HOLE)
1161
1162 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1163 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1164 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1165 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1166 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1167 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1168
1169 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1170 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1171 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1172 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1173 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1174
1175 /* the second block will be 0 when missing */
1176 const_iv (O_ACCMODE)
1177
570 const_iv (O_RDONLY, O_RDONLY) 1178 const_iv (O_RDONLY)
571 const_iv (O_WRONLY, O_WRONLY) 1179 const_iv (O_WRONLY)
1180 const_iv (O_RDWR)
572 const_iv (O_CREAT , O_CREAT) 1181 const_iv (O_CREAT)
573 const_iv (O_TRUNC , O_TRUNC) 1182 const_iv (O_TRUNC)
574#ifndef _WIN32 1183 const_iv (O_EXCL)
1184 const_iv (O_APPEND)
1185
1186 const_iv (O_ASYNC)
1187 const_iv (O_DIRECT)
1188 const_iv (O_NOATIME)
1189
1190 const_iv (O_CLOEXEC)
1191 const_iv (O_NOCTTY)
1192 const_iv (O_NOFOLLOW)
1193 const_iv (O_NONBLOCK)
1194 const_iv (O_EXEC)
1195 const_iv (O_SEARCH)
1196 const_iv (O_DIRECTORY)
1197 const_iv (O_DSYNC)
1198 const_iv (O_RSYNC)
1199 const_iv (O_SYNC)
1200 const_iv (O_PATH)
1201 const_iv (O_TMPFILE)
1202 const_iv (O_TTY_INIT)
1203
575 const_iv (S_IFIFO , S_IFIFO) 1204 const_iv (S_IFIFO)
1205 const_iv (S_IFCHR)
1206 const_iv (S_IFBLK)
1207 const_iv (S_IFLNK)
1208 const_iv (S_IFREG)
1209 const_iv (S_IFDIR)
1210 const_iv (S_IFWHT)
1211 const_iv (S_IFSOCK)
1212 const_iv (S_IFMT)
1213
1214 const_iv (ST_RDONLY)
1215 const_iv (ST_NOSUID)
1216 const_iv (ST_NODEV)
1217 const_iv (ST_NOEXEC)
1218 const_iv (ST_SYNCHRONOUS)
1219 const_iv (ST_MANDLOCK)
1220 const_iv (ST_WRITE)
1221 const_iv (ST_APPEND)
1222 const_iv (ST_IMMUTABLE)
1223 const_iv (ST_NOATIME)
1224 const_iv (ST_NODIRATIME)
1225 const_iv (ST_RELATIME)
1226
1227 const_iv (PROT_NONE)
1228 const_iv (PROT_EXEC)
1229 const_iv (PROT_READ)
1230 const_iv (PROT_WRITE)
1231
1232 const_iv (MAP_PRIVATE)
1233 const_iv (MAP_SHARED)
1234 const_iv (MAP_FIXED)
1235 const_iv (MAP_ANONYMOUS)
1236
1237 /* linuxish */
1238 const_iv (MAP_LOCKED)
1239 const_iv (MAP_NORESERVE)
1240 const_iv (MAP_POPULATE)
1241 const_iv (MAP_NONBLOCK)
1242 const_iv (MAP_GROWSDOWN)
1243 const_iv (MAP_32BIT)
1244 const_iv (MAP_HUGETLB)
1245 const_iv (MAP_STACK)
1246 const_iv (MAP_FIXED_NOREPLACE)
1247 const_iv (MAP_SHARED_VALIDATE)
1248 const_iv (MAP_SYNC)
1249 const_iv (MAP_UNINITIALIZED)
1250
1251 const_iv (MREMAP_MAYMOVE)
1252 const_iv (MREMAP_FIXED)
1253
1254 const_iv (MSG_CMSG_CLOEXEC)
1255 const_iv (SOCK_CLOEXEC)
1256
1257 const_iv (F_DUPFD_CLOEXEC)
1258
1259 const_iv (F_ADD_SEALS)
1260 const_iv (F_GET_SEALS)
1261 const_iv (F_SEAL_SEAL)
1262 const_iv (F_SEAL_SHRINK)
1263 const_iv (F_SEAL_GROW)
1264 const_iv (F_SEAL_WRITE)
1265
1266 const_iv (F_OFD_GETLK)
1267 const_iv (F_OFD_SETLK)
1268 const_iv (F_OFD_GETLKW)
1269
1270 const_iv (FIFREEZE)
1271 const_iv (FITHAW)
1272 const_iv (FITRIM)
1273 const_iv (FICLONE)
1274 const_iv (FICLONERANGE)
1275 const_iv (FIDEDUPERANGE)
1276
1277 const_iv (FS_IOC_GETFLAGS)
1278 const_iv (FS_IOC_SETFLAGS)
1279 const_iv (FS_IOC_GETVERSION)
1280 const_iv (FS_IOC_SETVERSION)
1281#if HAVE_FIEMAP /* broken on musl for, like, foreever */
1282 const_iv (FS_IOC_FIEMAP)
576#endif 1283#endif
1284 const_iv (FS_IOC_FSGETXATTR)
1285 const_iv (FS_IOC_FSSETXATTR)
1286 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1287 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1288 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1289
1290 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1291
1292 const_iv (FS_SECRM_FL)
1293 const_iv (FS_UNRM_FL)
1294 const_iv (FS_COMPR_FL)
1295 const_iv (FS_SYNC_FL)
1296 const_iv (FS_IMMUTABLE_FL)
1297 const_iv (FS_APPEND_FL)
1298 const_iv (FS_NODUMP_FL)
1299 const_iv (FS_NOATIME_FL)
1300 const_iv (FS_DIRTY_FL)
1301 const_iv (FS_COMPRBLK_FL)
1302 const_iv (FS_NOCOMP_FL)
1303 const_iv (FS_ENCRYPT_FL)
1304 const_iv (FS_BTREE_FL)
1305 const_iv (FS_INDEX_FL)
1306 const_iv (FS_JOURNAL_DATA_FL)
1307 const_iv (FS_NOTAIL_FL)
1308 const_iv (FS_DIRSYNC_FL)
1309 const_iv (FS_TOPDIR_FL)
1310 const_iv (FS_FL_USER_MODIFIABLE)
1311
1312 const_iv (FS_XFLAG_REALTIME)
1313 const_iv (FS_XFLAG_PREALLOC)
1314 const_iv (FS_XFLAG_IMMUTABLE)
1315 const_iv (FS_XFLAG_APPEND)
1316 const_iv (FS_XFLAG_SYNC)
1317 const_iv (FS_XFLAG_NOATIME)
1318 const_iv (FS_XFLAG_NODUMP)
1319 const_iv (FS_XFLAG_RTINHERIT)
1320 const_iv (FS_XFLAG_PROJINHERIT)
1321 const_iv (FS_XFLAG_NOSYMLINKS)
1322 const_iv (FS_XFLAG_EXTSIZE)
1323 const_iv (FS_XFLAG_EXTSZINHERIT)
1324 const_iv (FS_XFLAG_NODEFRAG)
1325 const_iv (FS_XFLAG_FILESTREAM)
1326 const_iv (FS_XFLAG_DAX)
1327 const_iv (FS_XFLAG_HASATTR)
1328
1329 const_iv (FIEMAP_FLAG_SYNC)
1330 const_iv (FIEMAP_FLAG_XATTR)
1331 const_iv (FIEMAP_FLAGS_COMPAT)
1332 const_iv (FIEMAP_EXTENT_LAST)
1333 const_iv (FIEMAP_EXTENT_UNKNOWN)
1334 const_iv (FIEMAP_EXTENT_DELALLOC)
1335 const_iv (FIEMAP_EXTENT_ENCODED)
1336 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1337 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1338 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1339 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1340 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1341 const_iv (FIEMAP_EXTENT_MERGED)
1342 const_iv (FIEMAP_EXTENT_SHARED)
1343
1344 const_iv (SPLICE_F_MOVE)
1345 const_iv (SPLICE_F_NONBLOCK)
1346 const_iv (SPLICE_F_MORE)
1347 const_iv (SPLICE_F_GIFT)
1348
1349 const_iv (EFD_CLOEXEC)
1350 const_iv (EFD_NONBLOCK)
1351 const_iv (EFD_SEMAPHORE)
1352
1353 const_iv (MFD_CLOEXEC)
1354 const_iv (MFD_ALLOW_SEALING)
1355 const_iv (MFD_HUGETLB)
1356 const_iv (MFD_HUGETLB_2MB)
1357 const_iv (MFD_HUGETLB_1GB)
1358
1359 const_iv (CLOCK_REALTIME)
1360 const_iv (CLOCK_MONOTONIC)
1361 const_iv (CLOCK_BOOTTIME)
1362 const_iv (CLOCK_REALTIME_ALARM)
1363 const_iv (CLOCK_BOOTTIME_ALARM)
1364
1365 const_iv (TFD_NONBLOCK)
1366 const_iv (TFD_CLOEXEC)
1367
1368 const_iv (TFD_TIMER_ABSTIME)
1369 const_iv (TFD_TIMER_CANCEL_ON_SET)
1370
1371 const_iv (STATX_TYPE)
1372 const_iv (STATX_MODE)
1373 const_iv (STATX_NLINK)
1374 const_iv (STATX_UID)
1375 const_iv (STATX_GID)
1376 const_iv (STATX_ATIME)
1377 const_iv (STATX_MTIME)
1378 const_iv (STATX_CTIME)
1379 const_iv (STATX_INO)
1380 const_iv (STATX_SIZE)
1381 const_iv (STATX_BLOCKS)
1382 const_iv (STATX_BASIC_STATS)
1383 const_iv (STATX_ALL)
1384 const_iv (STATX_BTIME)
1385 const_iv (STATX_ATTR_COMPRESSED)
1386 const_iv (STATX_ATTR_IMMUTABLE)
1387 const_iv (STATX_ATTR_APPEND)
1388 const_iv (STATX_ATTR_NODUMP)
1389 const_iv (STATX_ATTR_ENCRYPTED)
1390 const_iv (STATX_ATTR_AUTOMOUNT)
1391
1392 const_iv (AT_FDCWD)
1393 const_iv (AT_SYMLINK_NOFOLLOW)
1394 const_iv (AT_EACCESS)
1395 const_iv (AT_REMOVEDIR)
1396 const_iv (AT_SYMLINK_FOLLOW)
1397 const_iv (AT_NO_AUTOMOUNT)
1398 const_iv (AT_EMPTY_PATH)
1399 const_iv (AT_STATX_SYNC_TYPE)
1400 const_iv (AT_STATX_AS_STAT)
1401 const_iv (AT_STATX_FORCE_SYNC)
1402 const_iv (AT_STATX_DONT_SYNC)
1403 const_iv (AT_RECURSIVE)
1404
1405 const_iv (OPEN_TREE_CLONE)
1406
1407 const_iv (FSOPEN_CLOEXEC)
1408
1409 const_iv (FSPICK_CLOEXEC)
1410 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1411 const_iv (FSPICK_NO_AUTOMOUNT)
1412 const_iv (FSPICK_EMPTY_PATH)
1413
1414 const_iv (MOVE_MOUNT_F_SYMLINKS)
1415 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1416 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1417 const_iv (MOVE_MOUNT_T_SYMLINKS)
1418 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1419 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1420
1421 /* waitid */
1422 const_iv (P_PID)
1423 const_iv (P_PIDFD)
1424 const_iv (P_PGID)
1425 const_iv (P_ALL)
1426
1427 const_iv (FSCONFIG_SET_FLAG)
1428 const_iv (FSCONFIG_SET_STRING)
1429 const_iv (FSCONFIG_SET_BINARY)
1430 const_iv (FSCONFIG_SET_PATH)
1431 const_iv (FSCONFIG_SET_PATH_EMPTY)
1432 const_iv (FSCONFIG_SET_FD)
1433 const_iv (FSCONFIG_CMD_CREATE)
1434 const_iv (FSCONFIG_CMD_RECONFIGURE)
1435
1436 const_iv (MOUNT_ATTR_RDONLY)
1437 const_iv (MOUNT_ATTR_NOSUID)
1438 const_iv (MOUNT_ATTR_NODEV)
1439 const_iv (MOUNT_ATTR_NOEXEC)
1440 const_iv (MOUNT_ATTR__ATIME)
1441 const_iv (MOUNT_ATTR_RELATIME)
1442 const_iv (MOUNT_ATTR_NOATIME)
1443 const_iv (MOUNT_ATTR_STRICTATIME)
1444 const_iv (MOUNT_ATTR_NODIRATIME)
1445
1446 /* sys/mount.h */
1447 const_iv (MS_RDONLY)
1448 const_iv (MS_NOSUID)
1449 const_iv (MS_NODEV)
1450 const_iv (MS_NOEXEC)
1451 const_iv (MS_SYNCHRONOUS)
1452 const_iv (MS_REMOUNT)
1453 const_iv (MS_MANDLOCK)
1454 const_iv (MS_DIRSYNC)
1455 const_iv (MS_NOATIME)
1456 const_iv (MS_NODIRATIME)
1457 const_iv (MS_BIND)
1458 const_iv (MS_MOVE)
1459 const_iv (MS_REC)
1460 const_iv (MS_SILENT)
1461 const_iv (MS_POSIXACL)
1462 const_iv (MS_UNBINDABLE)
1463 const_iv (MS_PRIVATE)
1464 const_iv (MS_SLAVE)
1465 const_iv (MS_SHARED)
1466 const_iv (MS_RELATIME)
1467 const_iv (MS_KERNMOUNT)
1468 const_iv (MS_I_VERSION)
1469 const_iv (MS_STRICTATIME)
1470 const_iv (MS_LAZYTIME)
1471 const_iv (MS_ACTIVE)
1472 const_iv (MS_NOUSER)
1473 const_iv (MS_RMT_MASK)
1474 const_iv (MS_MGC_VAL)
1475 const_iv (MS_MGC_MSK)
1476
1477 const_iv (MNT_FORCE)
1478 const_iv (MNT_DETACH)
1479 const_iv (MNT_EXPIRE)
1480 const_iv (UMOUNT_NOFOLLOW)
1481
1482 const_iv (BLKROSET)
1483 const_iv (BLKROGET)
1484 const_iv (BLKRRPART)
1485 const_iv (BLKGETSIZE)
1486 const_iv (BLKFLSBUF)
1487 const_iv (BLKRASET)
1488 const_iv (BLKRAGET)
1489 const_iv (BLKFRASET)
1490 const_iv (BLKFRAGET)
1491 const_iv (BLKSECTSET)
1492 const_iv (BLKSECTGET)
1493 const_iv (BLKSSZGET)
1494 const_iv (BLKBSZGET)
1495 const_iv (BLKBSZSET)
1496 const_iv (BLKGETSIZE64)
1497
1498 /* these are libeio constants, and are independent of gendef0 */
1499 const_eio (SEEK_SET)
1500 const_eio (SEEK_CUR)
1501 const_eio (SEEK_END)
1502
1503 const_eio (MCL_FUTURE)
1504 const_eio (MCL_CURRENT)
1505 const_eio (MCL_ONFAULT)
1506
1507 const_eio (MS_ASYNC)
1508 const_eio (MS_INVALIDATE)
1509 const_eio (MS_SYNC)
1510
1511 const_eio (MT_MODIFY)
1512
577 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1513 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
578 const_eio (SYNC_FILE_RANGE_WRITE) 1514 const_eio (SYNC_FILE_RANGE_WRITE)
579 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1515 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1516
1517 const_eio (FALLOC_FL_KEEP_SIZE)
1518 const_eio (FALLOC_FL_PUNCH_HOLE)
1519 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1520 const_eio (FALLOC_FL_ZERO_RANGE)
1521 const_eio (FALLOC_FL_INSERT_RANGE)
1522 const_eio (FALLOC_FL_UNSHARE_RANGE)
1523
1524 const_eio (RENAME_NOREPLACE)
1525 const_eio (RENAME_EXCHANGE)
1526 const_eio (RENAME_WHITEOUT)
580 1527
581 const_eio (READDIR_DENTS) 1528 const_eio (READDIR_DENTS)
582 const_eio (READDIR_DIRS_FIRST) 1529 const_eio (READDIR_DIRS_FIRST)
583 const_eio (READDIR_STAT_ORDER) 1530 const_eio (READDIR_STAT_ORDER)
584 const_eio (READDIR_FOUND_UNKNOWN) 1531 const_eio (READDIR_FOUND_UNKNOWN)
… …
592 const_eio (DT_LNK) 1539 const_eio (DT_LNK)
593 const_eio (DT_SOCK) 1540 const_eio (DT_SOCK)
594 const_eio (DT_WHT) 1541 const_eio (DT_WHT)
595 }; 1542 };
596 1543
1544 aio_stash = gv_stashpv ("IO::AIO" , 1);
1545 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1546 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1547 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
1548
597 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1549 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
598 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1550 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
599 1551
600 create_respipe (); 1552 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
601 1553
602 if (eio_init (want_poll, done_poll) < 0) 1554 /* allocate dummy pipe fd for aio_close */
603 croak ("IO::AIO: unable to initialise eio library"); 1555 {
1556 int pipefd [2];
604 1557
605 /* atfork child called in fifo order, so before eio's handler */ 1558 if (
606 X_THREAD_ATFORK (0, 0, atfork_child); 1559#ifdef _WIN32
607} 1560 _pipe (pipefd, 1, _O_BINARY) < 0
1561#else
1562 pipe (pipefd) < 0
1563 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1564#endif
1565 || close (pipefd [1]) < 0
1566 )
1567 croak ("IO::AIO: unable to create dummy pipe for aio_close");
608 1568
1569 close_fd = pipefd [0];
1570 }
1571
1572 reinit ();
1573}
1574
609void 1575void
1576reinit ()
1577 PROTOTYPE:
1578
1579void
610max_poll_reqs (int nreqs) 1580max_poll_reqs (unsigned int nreqs)
611 PROTOTYPE: $ 1581 PROTOTYPE: $
612 CODE: 1582 CODE:
613 eio_set_max_poll_reqs (nreqs); 1583 eio_set_max_poll_reqs (nreqs);
614 1584
615void 1585void
… …
617 PROTOTYPE: $ 1587 PROTOTYPE: $
618 CODE: 1588 CODE:
619 eio_set_max_poll_time (nseconds); 1589 eio_set_max_poll_time (nseconds);
620 1590
621void 1591void
622min_parallel (int nthreads) 1592min_parallel (unsigned int nthreads)
623 PROTOTYPE: $ 1593 PROTOTYPE: $
624 CODE: 1594 CODE:
625 eio_set_min_parallel (nthreads); 1595 eio_set_min_parallel (nthreads);
626 1596
627void 1597void
628max_parallel (int nthreads) 1598max_parallel (unsigned int nthreads)
629 PROTOTYPE: $ 1599 PROTOTYPE: $
630 CODE: 1600 CODE:
631 eio_set_max_parallel (nthreads); 1601 eio_set_max_parallel (nthreads);
632 1602
633void 1603void
634max_idle (int nthreads) 1604max_idle (unsigned int nthreads)
635 PROTOTYPE: $ 1605 PROTOTYPE: $
636 CODE: 1606 CODE:
637 eio_set_max_idle (nthreads); 1607 eio_set_max_idle (nthreads);
638 1608
639void 1609void
1610idle_timeout (unsigned int seconds)
1611 PROTOTYPE: $
1612 CODE:
1613 eio_set_idle_timeout (seconds);
1614
1615void
640max_outstanding (int maxreqs) 1616max_outstanding (unsigned int maxreqs)
641 PROTOTYPE: $ 1617 PROTOTYPE: $
642 CODE: 1618 CODE:
643 max_outstanding = maxreqs; 1619 max_outstanding = maxreqs;
644 1620
645void 1621void
646aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1622aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
647 PROTOTYPE: $$$;$
648 PPCODE: 1623 PPCODE:
649{ 1624{
650 dREQ; 1625 dREQ;
651 1626
1627 req->type = EIO_WD_OPEN;
1628 req_set_path1 (req, pathname);
1629
1630 REQ_SEND;
1631}
1632
1633void
1634aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1635 PPCODE:
1636{
1637 dREQ;
1638
652 req->type = EIO_OPEN; 1639 req->type = EIO_OPEN;
653 req->sv1 = newSVsv (pathname); 1640 req_set_path1 (req, pathname);
654 req->ptr1 = SvPVbyte_nolen (req->sv1);
655 req->int1 = flags; 1641 req->int1 = flags;
656 req->int2 = mode; 1642 req->int2 = mode;
657 1643
658 REQ_SEND; 1644 REQ_SEND;
659} 1645}
660 1646
661void 1647void
662aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1648aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
663 PROTOTYPE: $;$
664 ALIAS: 1649 ALIAS:
665 aio_fsync = EIO_FSYNC 1650 aio_fsync = EIO_FSYNC
666 aio_fdatasync = EIO_FDATASYNC 1651 aio_fdatasync = EIO_FDATASYNC
1652 aio_syncfs = EIO_SYNCFS
667 PPCODE: 1653 PPCODE:
668{ 1654{
669 int fd = extract_fd (fh, 0); 1655 int fd = s_fileno_croak (fh, 0);
670 dREQ; 1656 dREQ;
671 1657
672 req->type = ix; 1658 req->type = ix;
673 req->sv1 = newSVsv (fh); 1659 req->sv1 = newSVsv (fh);
674 req->int1 = fd; 1660 req->int1 = fd;
675 1661
676 REQ_SEND (req); 1662 REQ_SEND;
677} 1663}
678 1664
679void 1665void
680aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 1666aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
681 PROTOTYPE: $$$$;$
682 PPCODE: 1667 PPCODE:
683{ 1668{
684 int fd = extract_fd (fh, 0); 1669 int fd = s_fileno_croak (fh, 0);
685 dREQ; 1670 dREQ;
686 1671
687 req->type = EIO_SYNC_FILE_RANGE; 1672 req->type = EIO_SYNC_FILE_RANGE;
688 req->sv1 = newSVsv (fh); 1673 req->sv1 = newSVsv (fh);
689 req->int1 = fd; 1674 req->int1 = fd;
1675 req->offs = offset;
1676 req->size = nbytes;
1677 req->int2 = flags;
1678
1679 REQ_SEND;
1680}
1681
1682void
1683aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1684 PPCODE:
1685{
1686 int fd = s_fileno_croak (fh, 0);
1687 dREQ;
1688
1689 req->type = EIO_FALLOCATE;
1690 req->sv1 = newSVsv (fh);
1691 req->int1 = fd;
1692 req->int2 = mode;
1693 req->offs = offset;
1694 req->size = len;
1695
1696 REQ_SEND;
1697}
1698
1699void
1700aio_close (SV *fh, SV *callback = &PL_sv_undef)
1701 PPCODE:
1702{
1703 int fd = s_fileno_croak (fh, 0);
1704 dREQ;
1705#if 0
1706 /* partially duplicate logic in s_fileno */
1707 SvGETMAGIC (fh);
1708
1709 if (SvROK (fh))
1710 {
1711 fh = SvRV (fh);
1712 SvGETMAGIC (fh);
1713 }
1714
1715 if (SvTYPE (fh) == SVt_PVGV)
1716 {
1717 /* perl filehandle */
1718 PerlIOUnix_refcnt_inc (fd);
1719 do_close ((GV *)fh, 1);
1720
1721 req->type = EIO_CLOSE;
1722 req->int1 = fd;
1723 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1724 }
1725 else
1726#endif
1727 {
1728 /* fd number */
1729 req->type = EIO_DUP2;
1730 req->int1 = close_fd;
1731 req->sv2 = newSVsv (fh);
1732 req->int2 = fd;
1733 }
1734
1735 REQ_SEND;
1736}
1737
1738void
1739aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1740 PPCODE:
1741{
1742 int fd = s_fileno_croak (fh, 0);
1743 dREQ;
1744
1745 req->type = EIO_SEEK;
1746 req->sv1 = newSVsv (fh);
1747 req->int1 = fd;
690 req->offs = SvVAL64 (offset); 1748 req->offs = SvVAL64 (offset);
691 req->size = SvVAL64 (nbytes);
692 req->int2 = flags; 1749 req->int2 = whence;
693 1750
694 REQ_SEND (req); 1751 REQ_SEND;
695} 1752}
696 1753
697void 1754void
698aio_close (SV *fh, SV *callback=&PL_sv_undef)
699 PROTOTYPE: $;$
700 PPCODE:
701{
702 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
703 int fd = extract_fd (fh, 0);
704 dREQ;
705
706 if (close_pipe < 0)
707 {
708 int pipefd [2];
709
710 if (pipe (pipefd) < 0
711 || close (pipefd [1]) < 0
712 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
713 abort (); /*D*/
714
715 close_pipe = pipefd [0];
716 }
717
718 req->type = EIO_DUP2;
719 req->int1 = close_pipe;
720 req->sv2 = newSVsv (fh);
721 req->int2 = fd;
722
723 REQ_SEND (req);
724}
725
726void
727aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1755aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
728 ALIAS: 1756 ALIAS:
729 aio_read = EIO_READ 1757 aio_read = EIO_READ
730 aio_write = EIO_WRITE 1758 aio_write = EIO_WRITE
731 PROTOTYPE: $$$$$;$
732 PPCODE: 1759 PPCODE:
733{ 1760{
734 STRLEN svlen; 1761 STRLEN svlen;
735 int fd = extract_fd (fh, ix == EIO_WRITE); 1762 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736 char *svptr = SvPVbyte (data, svlen); 1763 char *svptr = SvPVbyte (data, svlen);
737 UV len = SvUV (length); 1764 UV len = SvUV (length);
738 1765
739 if (dataoffset < 0) 1766 if (dataoffset < 0)
740 dataoffset += svlen; 1767 dataoffset += svlen;
… …
749 len = svlen - dataoffset; 1776 len = svlen - dataoffset;
750 } 1777 }
751 else 1778 else
752 { 1779 {
753 /* read: check type and grow scalar as necessary */ 1780 /* read: check type and grow scalar as necessary */
754 SvUPGRADE (data, SVt_PV); 1781 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
755 svptr = SvGROW (data, len + dataoffset + 1); 1782 svptr = sv_grow (data, len + dataoffset + 1);
1783 else if (SvCUR (data) < len + dataoffset)
1784 croak ("length + dataoffset outside of scalar, and cannot grow");
756 } 1785 }
757 1786
758 { 1787 {
759 dREQ; 1788 dREQ;
760 1789
… …
776 REQ_SEND; 1805 REQ_SEND;
777 } 1806 }
778} 1807}
779 1808
780void 1809void
781aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1810aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
782 PROTOTYPE: $$;$ 1811 ALIAS:
1812 aio_ioctl = EIO_IOCTL
1813 aio_fcntl = EIO_FCNTL
783 PPCODE: 1814 PPCODE:
784{ 1815{
785 SV *data; 1816 int fd = s_fileno_croak (fh, 0);
1817 char *svptr;
1818
1819 if (SvPOK (arg) || !SvNIOK (arg))
1820 {
1821 STRLEN svlen;
1822 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1823#ifdef IOCPARM_LEN
1824 STRLEN need = IOCPARM_LEN (request);
1825#else
1826 STRLEN need = 256;
1827#endif
1828
1829 if (svlen < need)
1830 svptr = SvGROW (arg, need);
1831 }
1832 else
1833 svptr = (char *)SvIV (arg);
1834
1835 {
1836 dREQ;
1837
1838 req->type = ix;
1839 req->sv1 = newSVsv (fh);
1840 req->int1 = fd;
1841 req->int2 = (long)request;
1842 req->sv2 = SvREFCNT_inc (arg);
1843 req->ptr2 = svptr;
1844
1845 REQ_SEND;
1846 }
1847}
1848
1849void
1850aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1851 ALIAS:
1852 aio_readlink = EIO_READLINK
1853 aio_realpath = EIO_REALPATH
1854 PPCODE:
1855{
786 dREQ; 1856 dREQ;
787 1857
788 req->type = EIO_READLINK; 1858 req->type = ix;
789 req->sv1 = newSVsv (path); 1859 req_set_path1 (req, pathname);
790 req->ptr1 = SvPVbyte_nolen (req->sv1);
791 1860
792 REQ_SEND; 1861 REQ_SEND;
793} 1862}
794 1863
795void 1864void
796aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1865aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
797 PROTOTYPE: $$$$;$
798 PPCODE: 1866 PPCODE:
799{ 1867{
800 int ifd = extract_fd (in_fh , 0); 1868 int ifd = s_fileno_croak (in_fh , 0);
801 int ofd = extract_fd (out_fh, 0); 1869 int ofd = s_fileno_croak (out_fh, 1);
802 dREQ; 1870 dREQ;
803 1871
804 req->type = EIO_SENDFILE; 1872 req->type = EIO_SENDFILE;
805 req->sv1 = newSVsv (out_fh); 1873 req->sv1 = newSVsv (out_fh);
806 req->int1 = ofd; 1874 req->int1 = ofd;
807 req->sv2 = newSVsv (in_fh); 1875 req->sv2 = newSVsv (in_fh);
808 req->int2 = ifd; 1876 req->int2 = ifd;
809 req->offs = SvVAL64 (in_offset); 1877 req->offs = in_offset;
810 req->size = length; 1878 req->size = length;
811 1879
812 REQ_SEND; 1880 REQ_SEND;
813} 1881}
814 1882
815void 1883void
816aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1884aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
817 PROTOTYPE: $$$;$
818 PPCODE: 1885 PPCODE:
819{ 1886{
820 int fd = extract_fd (fh, 0); 1887 int fd = s_fileno_croak (fh, 0);
821 dREQ; 1888 dREQ;
822 1889
823 req->type = EIO_READAHEAD; 1890 req->type = EIO_READAHEAD;
824 req->sv1 = newSVsv (fh); 1891 req->sv1 = newSVsv (fh);
825 req->int1 = fd; 1892 req->int1 = fd;
826 req->offs = SvVAL64 (offset); 1893 req->offs = offset;
827 req->size = length; 1894 req->size = length;
828 1895
829 REQ_SEND; 1896 REQ_SEND;
830} 1897}
831 1898
832void 1899void
833aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1900aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
834 ALIAS: 1901 ALIAS:
835 aio_stat = EIO_STAT 1902 aio_stat = EIO_STAT
836 aio_lstat = EIO_LSTAT 1903 aio_lstat = EIO_LSTAT
1904 aio_statvfs = EIO_STATVFS
837 PPCODE: 1905 PPCODE:
838{ 1906{
839 dREQ; 1907 dREQ;
840 1908
841 req->sv1 = newSVsv (fh_or_path); 1909 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
842
843 if (SvPOK (req->sv1))
844 {
845 req->type = ix;
846 req->ptr1 = SvPVbyte_nolen (req->sv1);
847 }
848 else
849 {
850 req->type = EIO_FSTAT;
851 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852 }
853 1910
854 REQ_SEND; 1911 REQ_SEND;
855} 1912}
856 1913
857void 1914void
1915st_xtime ()
1916 ALIAS:
1917 st_atime = 0x01
1918 st_mtime = 0x02
1919 st_ctime = 0x04
1920 st_btime = 0x08
1921 st_xtime = 0x0f
1922 PPCODE:
1923 EXTEND (SP, 4);
1924 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1925 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1926 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1927 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1928
1929void
1930st_xtimensec ()
1931 ALIAS:
1932 st_atimensec = 0x01
1933 st_mtimensec = 0x02
1934 st_ctimensec = 0x04
1935 st_btimensec = 0x08
1936 st_xtimensec = 0x0f
1937 st_btimesec = 0x10
1938 st_gen = 0x20
1939 PPCODE:
1940 EXTEND (SP, 4);
1941 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1942 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1943 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1944 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1945 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1946 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1947
1948UV
1949major (UV dev)
1950 ALIAS:
1951 minor = 1
1952 CODE:
1953 RETVAL = ix ? minor (dev) : major (dev);
1954 OUTPUT:
1955 RETVAL
1956
1957UV
1958makedev (UV maj, UV min)
1959 CODE:
1960 RETVAL = makedev (maj, min);
1961 OUTPUT:
1962 RETVAL
1963
1964void
858aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1965aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
859 PPCODE: 1966 PPCODE:
860{ 1967{
861 dREQ; 1968 dREQ;
862 1969
863 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1970 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
864 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1971 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
865 req->sv1 = newSVsv (fh_or_path); 1972 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
866
867 if (SvPOK (req->sv1))
868 {
869 req->type = EIO_UTIME;
870 req->ptr1 = SvPVbyte_nolen (req->sv1);
871 }
872 else
873 {
874 req->type = EIO_FUTIME;
875 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
876 }
877 1973
878 REQ_SEND; 1974 REQ_SEND;
879} 1975}
880 1976
881void 1977void
882aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1978aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
883 PPCODE: 1979 PPCODE:
884{ 1980{
885 dREQ; 1981 dREQ;
886 1982
887 req->sv1 = newSVsv (fh_or_path);
888 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1983 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
889 1984 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
890 if (SvPOK (req->sv1))
891 {
892 req->type = EIO_TRUNCATE;
893 req->ptr1 = SvPVbyte_nolen (req->sv1);
894 }
895 else
896 {
897 req->type = EIO_FTRUNCATE;
898 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
899 }
900 1985
901 REQ_SEND; 1986 REQ_SEND;
902} 1987}
903 1988
904void 1989void
905aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1990aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
906 ALIAS:
907 aio_chmod = EIO_CHMOD
908 aio_mkdir = EIO_MKDIR
909 PPCODE: 1991 PPCODE:
910{ 1992{
911 dREQ; 1993 dREQ;
912 1994
913 req->int2 = mode; 1995 req->int2 = mode;
914 req->sv1 = newSVsv (fh_or_path); 1996 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
915
916 if (SvPOK (req->sv1))
917 {
918 req->type = ix;
919 req->ptr1 = SvPVbyte_nolen (req->sv1);
920 }
921 else
922 {
923 req->type = EIO_FCHMOD;
924 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
925 }
926 1997
927 REQ_SEND; 1998 REQ_SEND;
928} 1999}
929 2000
930void 2001void
931aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 2002aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
932 PPCODE: 2003 PPCODE:
933{ 2004{
934 dREQ; 2005 dREQ;
935 2006
936 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 2007 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
937 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 2008 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
938 req->sv1 = newSVsv (fh_or_path); 2009 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
939
940 if (SvPOK (req->sv1))
941 {
942 req->type = EIO_CHOWN;
943 req->ptr1 = SvPVbyte_nolen (req->sv1);
944 }
945 else
946 {
947 req->type = EIO_FCHOWN;
948 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
949 }
950 2010
951 REQ_SEND; 2011 REQ_SEND;
952} 2012}
953 2013
954void 2014void
955aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 2015aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
956 PPCODE: 2016 PPCODE:
957{ 2017{
958 dREQ; 2018 dREQ;
959 2019
960 req->type = EIO_READDIR; 2020 req->type = EIO_READDIR;
961 req->sv1 = newSVsv (pathname);
962 req->ptr1 = SvPVbyte_nolen (req->sv1);
963 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 2021 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
964 2022
965 if (flags & EIO_READDIR_DENTS) 2023 if (flags & EIO_READDIR_DENTS)
966 req->int1 |= EIO_READDIR_CUSTOM2; 2024 req->int1 |= EIO_READDIR_CUSTOM2;
967 2025
2026 req_set_path1 (req, pathname);
2027
968 REQ_SEND; 2028 REQ_SEND;
969} 2029}
970 2030
971void 2031void
2032aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
2033 PPCODE:
2034{
2035 dREQ;
2036
2037 req->type = EIO_MKDIR;
2038 req->int2 = mode;
2039 req_set_path1 (req, pathname);
2040
2041 REQ_SEND;
2042}
2043
2044void
972aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 2045aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
973 ALIAS: 2046 ALIAS:
974 aio_unlink = EIO_UNLINK 2047 aio_unlink = EIO_UNLINK
975 aio_rmdir = EIO_RMDIR 2048 aio_rmdir = EIO_RMDIR
976 aio_readdir = EIO_READDIR 2049 aio_readdir = EIO_READDIR
977 PPCODE: 2050 PPCODE:
978{ 2051{
979 dREQ; 2052 dREQ;
980 2053
981 req->type = ix; 2054 req->type = ix;
982 req->sv1 = newSVsv (pathname); 2055 req_set_path1 (req, pathname);
983 req->ptr1 = SvPVbyte_nolen (req->sv1);
984 2056
985 REQ_SEND; 2057 REQ_SEND;
986} 2058}
987 2059
988void 2060void
989aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 2061aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
990 ALIAS: 2062 ALIAS:
991 aio_link = EIO_LINK 2063 aio_link = EIO_LINK
992 aio_symlink = EIO_SYMLINK 2064 aio_symlink = EIO_SYMLINK
993 aio_rename = EIO_RENAME 2065 aio_rename = EIO_RENAME
994 PPCODE: 2066 PPCODE:
995{ 2067{
2068 eio_wd wd2 = 0;
996 dREQ; 2069 dREQ;
997 2070
998 req->type = ix; 2071 req->type = ix;
999 req->sv1 = newSVsv (oldpath); 2072 req_set_path1 (req, oldpath);
1000 req->ptr1 = SvPVbyte_nolen (req->sv1); 2073 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1001 req->sv2 = newSVsv (newpath); 2074 req->int3 = (long)wd2;
1002 req->ptr2 = SvPVbyte_nolen (req->sv2);
1003 2075
1004 REQ_SEND; 2076 REQ_SEND;
1005} 2077}
1006 2078
1007void 2079void
2080aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
2081 PPCODE:
2082{
2083 eio_wd wd2 = 0;
2084 dREQ;
2085
2086 req->type = EIO_RENAME;
2087 req_set_path1 (req, oldpath);
2088 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
2089 req->int2 = flags;
2090 req->int3 = (long)wd2;
2091
2092 REQ_SEND;
2093}
2094
2095void
1008aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2096aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1009 PPCODE: 2097 PPCODE:
1010{ 2098{
1011 dREQ; 2099 dREQ;
1012 2100
1013 req->type = EIO_MKNOD; 2101 req->type = EIO_MKNOD;
1014 req->sv1 = newSVsv (pathname);
1015 req->ptr1 = SvPVbyte_nolen (req->sv1);
1016 req->int2 = (mode_t)mode; 2102 req->int2 = (mode_t)mode;
1017 req->offs = dev; 2103 req->offs = dev;
2104 req_set_path1 (req, pathname);
1018 2105
1019 REQ_SEND; 2106 REQ_SEND;
1020} 2107}
1021 2108
1022void 2109void
2110aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
2111 ALIAS:
2112 aio_mtouch = EIO_MTOUCH
2113 aio_msync = EIO_MSYNC
2114 PPCODE:
2115{
2116 STRLEN svlen;
2117 char *svptr = SvPVbyte (data, svlen);
2118 UV len = SvUV (length);
2119
2120 if (flags < 0)
2121 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
2122
2123 if (offset < 0)
2124 offset += svlen;
2125
2126 if (offset < 0 || offset > svlen)
2127 croak ("offset outside of scalar");
2128
2129 if (!SvOK (length) || len + offset > svlen)
2130 len = svlen - offset;
2131
2132 {
2133 dREQ;
2134
2135 req->type = ix;
2136 req->sv2 = SvREFCNT_inc (data);
2137 req->ptr2 = (char *)svptr + offset;
2138 req->size = len;
2139 req->int1 = flags;
2140
2141 REQ_SEND;
2142 }
2143}
2144
2145void
2146aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2147 PPCODE:
2148{
2149 STRLEN svlen;
2150 char *svptr = SvPVbyte (data, svlen);
2151 UV len = SvUV (length);
2152
2153 if (offset < 0)
2154 offset += svlen;
2155
2156 if (offset < 0 || offset > svlen)
2157 croak ("offset outside of scalar");
2158
2159 if (!SvOK (length) || len + offset > svlen)
2160 len = svlen - offset;
2161
2162 {
2163 dREQ;
2164
2165 req->type = EIO_MLOCK;
2166 req->sv2 = SvREFCNT_inc (data);
2167 req->ptr2 = (char *)svptr + offset;
2168 req->size = len;
2169
2170 REQ_SEND;
2171 }
2172}
2173
2174void
2175aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2176 PPCODE:
2177{
2178 dREQ;
2179
2180 req->type = EIO_MLOCKALL;
2181 req->int1 = flags;
2182
2183 REQ_SEND;
2184}
2185
2186void
2187aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2188 PPCODE:
2189{
2190 int fd = s_fileno_croak (fh, 0);
2191 dREQ;
2192
2193 req->type = EIO_CUSTOM;
2194 req->sv1 = newSVsv (fh);
2195 req->int1 = fd;
2196
2197 req->feed = fiemap;
2198#if HAVE_FIEMAP
2199 /* keep our fingers crossed that the next two types are 64 bit */
2200 req->offs = start;
2201 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2202 req->int2 = flags;
2203 req->int3 = SvOK (count) ? SvIV (count) : -1;
2204#endif
2205
2206 REQ_SEND;
2207}
2208
2209void
2210aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2211 PPCODE:
2212{
2213 char *svptr = 0;
2214
2215 sv_clear_foreign (data);
2216
2217 if (length) /* known length, directly read into scalar */
2218 {
2219 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2220 svptr = sv_grow (data, length + 1);
2221 else if (SvCUR (data) < length)
2222 croak ("length outside of scalar, and cannot grow");
2223 else
2224 svptr = SvPVbyte_nolen (data);
2225 }
2226
2227 {
2228 dREQ;
2229
2230 req->type = EIO_SLURP;
2231 req_set_path1 (req, pathname);
2232 req->offs = offset;
2233 req->size = length;
2234 req->sv2 = SvREFCNT_inc (data);
2235 req->ptr2 = svptr;
2236
2237 if (!SvREADONLY (data))
2238 {
2239 SvREADONLY_on (data);
2240 req->flags |= FLAG_SV2_RO_OFF;
2241 }
2242
2243 REQ_SEND;
2244 }
2245}
2246
2247void
1023aio_busy (double delay, SV *callback=&PL_sv_undef) 2248aio_busy (double delay, SV *callback = &PL_sv_undef)
1024 PPCODE: 2249 PPCODE:
1025{ 2250{
1026 dREQ; 2251 dREQ;
1027 2252
1028 req->type = EIO_BUSY; 2253 req->type = EIO_BUSY;
… …
1030 2255
1031 REQ_SEND; 2256 REQ_SEND;
1032} 2257}
1033 2258
1034void 2259void
1035aio_group (SV *callback=&PL_sv_undef) 2260aio_group (SV *callback = &PL_sv_undef)
1036 PROTOTYPE: ;$
1037 PPCODE: 2261 PPCODE:
1038{ 2262{
1039 dREQ; 2263 dREQ;
1040 2264
1041 req->type = EIO_GROUP; 2265 req->type = EIO_GROUP;
1042 2266
2267 PUTBACK;
1043 req_submit (req); 2268 req_submit (req);
2269 SPAGAIN;
2270
1044 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2271 XPUSHs (req_sv (req, aio_grp_stash));
1045} 2272}
1046 2273
1047void 2274void
1048aio_nop (SV *callback=&PL_sv_undef) 2275aio_nop (SV *callback = &PL_sv_undef)
1049 ALIAS: 2276 ALIAS:
1050 aio_nop = EIO_NOP 2277 aio_nop = EIO_NOP
1051 aio_sync = EIO_SYNC 2278 aio_sync = EIO_SYNC
1052 PPCODE: 2279 PPCODE:
1053{ 2280{
… …
1057 2284
1058 REQ_SEND; 2285 REQ_SEND;
1059} 2286}
1060 2287
1061int 2288int
1062aioreq_pri (int pri = 0) 2289aioreq_pri (int pri = NO_INIT)
1063 PROTOTYPE: ;$
1064 CODE: 2290 CODE:
1065 RETVAL = next_pri; 2291 RETVAL = next_pri;
1066 if (items > 0) 2292 if (items > 0)
1067 { 2293 {
1068 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2294 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1080 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2306 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1081 next_pri = nice; 2307 next_pri = nice;
1082 2308
1083void 2309void
1084flush () 2310flush ()
1085 PROTOTYPE:
1086 CODE: 2311 CODE:
1087 while (eio_nreqs ()) 2312 while (eio_nreqs ())
1088 { 2313 {
1089 poll_wait (); 2314 poll_wait ();
1090 poll_cb (); 2315 poll_cb ();
1091 } 2316 }
1092 2317
1093int 2318int
1094poll() 2319poll ()
1095 PROTOTYPE:
1096 CODE: 2320 CODE:
1097 poll_wait (); 2321 poll_wait ();
1098 RETVAL = poll_cb (); 2322 RETVAL = poll_cb ();
1099 OUTPUT: 2323 OUTPUT:
1100 RETVAL 2324 RETVAL
1101 2325
1102int 2326int
1103poll_fileno() 2327poll_fileno ()
1104 PROTOTYPE:
1105 CODE: 2328 CODE:
1106 RETVAL = respipe [0]; 2329 RETVAL = s_epipe_fd (&respipe);
1107 OUTPUT: 2330 OUTPUT:
1108 RETVAL 2331 RETVAL
1109 2332
1110int 2333int
1111poll_cb(...) 2334poll_cb (...)
1112 PROTOTYPE: 2335 PROTOTYPE:
1113 CODE: 2336 CODE:
1114 RETVAL = poll_cb (); 2337 RETVAL = poll_cb ();
1115 OUTPUT: 2338 OUTPUT:
1116 RETVAL 2339 RETVAL
1117 2340
1118void 2341void
1119poll_wait() 2342poll_wait ()
1120 PROTOTYPE:
1121 CODE: 2343 CODE:
1122 poll_wait (); 2344 poll_wait ();
1123 2345
1124int 2346int
1125nreqs() 2347nreqs ()
1126 PROTOTYPE:
1127 CODE: 2348 CODE:
1128 RETVAL = eio_nreqs (); 2349 RETVAL = eio_nreqs ();
1129 OUTPUT: 2350 OUTPUT:
1130 RETVAL 2351 RETVAL
1131 2352
1132int 2353int
1133nready() 2354nready ()
1134 PROTOTYPE:
1135 CODE: 2355 CODE:
1136 RETVAL = eio_nready (); 2356 RETVAL = eio_nready ();
1137 OUTPUT: 2357 OUTPUT:
1138 RETVAL 2358 RETVAL
1139 2359
1140int 2360int
1141npending() 2361npending ()
1142 PROTOTYPE:
1143 CODE: 2362 CODE:
1144 RETVAL = eio_npending (); 2363 RETVAL = eio_npending ();
1145 OUTPUT: 2364 OUTPUT:
1146 RETVAL 2365 RETVAL
1147 2366
1148int 2367int
1149nthreads() 2368nthreads ()
1150 PROTOTYPE:
1151 CODE: 2369 CODE:
1152 RETVAL = eio_nthreads (); 2370 RETVAL = eio_nthreads ();
1153 OUTPUT: 2371 OUTPUT:
1154 RETVAL 2372 RETVAL
1155 2373
2374int
2375fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
2376 CODE:
2377 RETVAL = posix_fadvise (fh, offset, length, advice);
2378 OUTPUT:
2379 RETVAL
2380
2381IV
2382sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2383 CODE:
2384 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2385 OUTPUT:
2386 RETVAL
2387
2388void
2389mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2390 PPCODE:
2391 sv_clear_foreign (scalar);
2392{
2393 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2394 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2395 if (addr == (void *)-1)
2396 XSRETURN_NO;
2397
2398 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2399
2400 if (!(prot & PROT_WRITE))
2401 SvREADONLY_on (scalar);
2402
2403 XSRETURN_YES;
2404}
2405
2406void
2407munmap (SV *scalar)
2408 CODE:
2409 sv_clear_foreign (scalar);
2410
2411SV *
2412mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2413 CODE:
2414{
2415 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2416 void *new;
2417
2418 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2419 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2420
2421 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2422
2423 RETVAL = &PL_sv_no;
2424
2425 if (new != (void *)-1)
2426 {
2427 RETVAL = new == (void *)mg->mg_ptr
2428 ? newSVpvn ("0 but true", 10)
2429 : &PL_sv_yes;
2430
2431 mg->mg_ptr = (char *)new;
2432 mg->mg_obj = (SV *)new_length;
2433
2434 SvPVX (scalar) = mg->mg_ptr;
2435 SvCUR_set (scalar, new_length);
2436 }
2437}
2438 OUTPUT:
2439 RETVAL
2440
2441int
2442madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2443 ALIAS:
2444 mprotect = 1
2445 CODE:
2446{
2447 STRLEN svlen;
2448 void *addr = SvPVbyte (scalar, svlen);
2449 STRLEN len = SvUV (length);
2450
2451 if (offset < 0)
2452 offset += svlen;
2453
2454 if (offset < 0 || offset > svlen)
2455 croak ("offset outside of scalar");
2456
2457 if (!SvOK (length) || len + offset > svlen)
2458 len = svlen - offset;
2459
2460 addr = (void *)(((intptr_t)addr) + offset);
2461 eio_page_align (&addr, &len);
2462
2463 switch (ix)
2464 {
2465 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2466 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2467 }
2468}
2469 OUTPUT:
2470 RETVAL
2471
2472int
2473munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2474 CODE:
2475{
2476 STRLEN svlen;
2477 void *addr = SvPVbyte (scalar, svlen);
2478 size_t len = SvUV (length);
2479
2480 if (offset < 0)
2481 offset += svlen;
2482
2483 if (offset < 0 || offset > svlen)
2484 croak ("offset outside of scalar");
2485
2486 if (!SvOK (length) || len + offset > svlen)
2487 len = svlen - offset;
2488
2489 addr = (void *)(((intptr_t)addr) + offset);
2490 eio_page_align (&addr, &len);
2491#if _POSIX_MEMLOCK_RANGE
2492 RETVAL = munlock (addr, len);
2493#else
2494 RETVAL = EIO_ENOSYS ();
2495#endif
2496}
2497 OUTPUT:
2498 RETVAL
2499
2500int
2501mlockall (int flags)
2502 PROTOTYPE: $;
2503 CODE:
2504 RETVAL = eio_mlockall_sync (flags);
2505 OUTPUT:
2506 RETVAL
2507
2508int
2509munlockall ()
2510 CODE:
2511#if _POSIX_MEMLOCK
2512 munlockall ();
2513#else
2514 RETVAL = EIO_ENOSYS ();
2515#endif
2516 OUTPUT:
2517 RETVAL
2518
2519int
2520statx (SV8 *pathname, int flags, UV mask)
2521 CODE:
2522{
2523 /* undocumented, and might go away, and anyway, should use eio_statx */
2524 SV *wdsv = 0;
2525 SV *pathsv = 0;
2526 eio_wd wd = EIO_CWD;
2527 void *ptr;
2528 int res;
2529
2530 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2531 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2532
2533 SvREFCNT_dec (pathsv);
2534 SvREFCNT_dec (wdsv);
2535}
2536 OUTPUT:
2537 RETVAL
2538
2539U32
2540stx_mode ()
2541 PROTOTYPE:
2542 CODE:
2543#if HAVE_STATX
2544 RETVAL = stx.stx_mode;
2545#else
2546 XSRETURN_UNDEF;
2547#endif
2548 OUTPUT:
2549 RETVAL
2550
2551#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2552#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2553#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2554#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2555#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2556#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2557#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2558#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2559#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2560#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2561#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2562#define STATX_OFFSET_size statx_offsetof (stx_size)
2563#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2564#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2565#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2566#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2567#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2568#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2569
2570U32
2571stx_mask ()
2572 PROTOTYPE:
2573 ALIAS:
2574 stx_mask = STATX_OFFSET_mask
2575 stx_blksize = STATX_OFFSET_blksize
2576 stx_nlink = STATX_OFFSET_nlink
2577 stx_uid = STATX_OFFSET_uid
2578 stx_gid = STATX_OFFSET_gid
2579 stx_rdev_major = STATX_OFFSET_rdev_major
2580 stx_rdev_minor = STATX_OFFSET_rdev_minor
2581 stx_dev_major = STATX_OFFSET_dev_major
2582 stx_dev_minor = STATX_OFFSET_dev_minor
2583 CODE:
2584#if HAVE_STATX
2585 RETVAL = *(__u32 *)((char *)&stx + ix);
2586#else
2587 XSRETURN_UNDEF;
2588#endif
2589 OUTPUT:
2590 RETVAL
2591
2592VAL64
2593stx_attributes ()
2594 PROTOTYPE:
2595 ALIAS:
2596 stx_attributes = STATX_OFFSET_attributes
2597 stx_ino = STATX_OFFSET_ino
2598 stx_size = STATX_OFFSET_size
2599 stx_blocks = STATX_OFFSET_blocks
2600 stx_attributes_mask = STATX_OFFSET_attributes_mask
2601 CODE:
2602#if HAVE_STATX
2603 RETVAL = *(__u64 *)((char *)&stx + ix);
2604#else
2605 XSRETURN_UNDEF;
2606#endif
2607 OUTPUT:
2608 RETVAL
2609
2610NV
2611stx_atime ()
2612 PROTOTYPE:
2613 ALIAS:
2614 stx_atime = STATX_OFFSET_atime
2615 stx_btime = STATX_OFFSET_btime
2616 stx_ctime = STATX_OFFSET_ctime
2617 stx_mtime = STATX_OFFSET_mtime
2618 CODE:
2619#if HAVE_STATX
2620 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2621 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2622#else
2623 XSRETURN_UNDEF;
2624#endif
2625 OUTPUT:
2626 RETVAL
2627
2628VAL64
2629stx_atimesec ()
2630 PROTOTYPE:
2631 ALIAS:
2632 stx_atimesec = STATX_OFFSET_atime
2633 stx_btimesec = STATX_OFFSET_btime
2634 stx_ctimesec = STATX_OFFSET_ctime
2635 stx_mtimesec = STATX_OFFSET_mtime
2636 CODE:
2637#if HAVE_STATX
2638 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2639 RETVAL = ts->tv_sec;
2640#else
2641 XSRETURN_UNDEF;
2642#endif
2643 OUTPUT:
2644 RETVAL
2645
2646U32
2647stx_atimensec ()
2648 PROTOTYPE:
2649 ALIAS:
2650 stx_atimensec = STATX_OFFSET_atime
2651 stx_btimensec = STATX_OFFSET_btime
2652 stx_ctimensec = STATX_OFFSET_ctime
2653 stx_mtimensec = STATX_OFFSET_mtime
2654 CODE:
2655#if HAVE_STATX
2656 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2657 RETVAL = ts->tv_nsec;
2658#else
2659 RETVAL = 0;
2660#endif
2661 OUTPUT:
2662 RETVAL
2663
2664void
2665accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2666 PPCODE:
2667{
2668 SV *retval;
2669#if HAVE_ACCEPT4
2670 socklen_t salen_ = salen ? salen + 1 : 0;
2671
2672 if (salen)
2673 {
2674 sv_upgrade (sockaddr, SVt_PV);
2675 sv_grow (sockaddr, salen_);
2676 }
2677
2678 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2679
2680 retval = newmortalFH (res, O_RDWR);
2681
2682 if (res >= 0 && salen > 0)
2683 {
2684 if (salen_ > salen + 1)
2685 salen_ = salen + 1;
2686
2687 SvPOK_only (sockaddr);
2688 SvCUR_set (sockaddr, salen_);
2689 }
2690#else
2691 errno = ENOSYS;
2692 retval = &PL_sv_undef;
2693#endif
2694 XPUSHs (retval);
2695}
2696
2697ssize_t
2698splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2699 CODE:
2700{
2701#if HAVE_LINUX_SPLICE
2702 loff_t off_in_, off_out_;
2703 RETVAL = splice (
2704 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2705 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2706 length, flags
2707 );
2708#else
2709 RETVAL = EIO_ENOSYS ();
2710#endif
2711}
2712 OUTPUT:
2713 RETVAL
2714
2715ssize_t
2716tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2717 CODE:
2718#if HAVE_LINUX_SPLICE
2719 RETVAL = tee (rfh, wfh, length, flags);
2720#else
2721 RETVAL = EIO_ENOSYS ();
2722#endif
2723 OUTPUT:
2724 RETVAL
2725
2726int
2727pipesize (aio_rfd rfh, int new_size = -1)
2728 PROTOTYPE: $;$
2729 CODE:
2730#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2731 if (new_size >= 0)
2732 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2733 else
2734 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2735#else
2736 errno = ENOSYS;
2737 RETVAL = -1;
2738#endif
2739 OUTPUT:
2740 RETVAL
2741
2742void
2743pipe2 (int flags = 0)
2744 PROTOTYPE: ;$
2745 PPCODE:
2746{
2747 int fd[2];
2748 int res;
2749
2750 if (flags)
2751#if HAVE_PIPE2
2752 res = pipe2 (fd, flags);
2753#else
2754 res = (errno = ENOSYS, -1);
2755#endif
2756 else
2757 res = pipe (fd);
2758
2759 if (!res)
2760 {
2761 EXTEND (SP, 2);
2762 PUSHs (newmortalFH (fd[0], O_RDONLY));
2763 PUSHs (newmortalFH (fd[1], O_WRONLY));
2764 }
2765}
2766
2767void
2768pidfd_open (int pid, unsigned int flags = 0)
2769 PPCODE:
2770{
2771 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2772 int fd = syscall (SYS_pidfd_open, pid, flags);
2773 XPUSHs (newmortalFH (fd, O_RDWR));
2774}
2775
2776int
2777pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2778 PPCODE:
2779{
2780 int res;
2781#if HAVE_SIGINFO_T
2782 siginfo_t si = { 0 };
2783
2784 if (SvOK (siginfo))
2785 {
2786 HV *hv;
2787 SV **svp;
2788
2789 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2790 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2791
2792 hv = (HV *)SvRV (siginfo);
2793
2794 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2795 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2796 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2797 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2798 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2799 }
2800
2801 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2802 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2803#else
2804 res = (errno = ENOSYS, -1);
2805#endif
2806
2807 XPUSHs (sv_2mortal (newSViv (res)));
2808}
2809
2810void
2811pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2812 PPCODE:
2813{
2814 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2815 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2816 XPUSHs (newmortalFH (fd, O_RDWR));
2817}
2818
2819void
2820eventfd (unsigned int initval = 0, int flags = 0)
2821 PPCODE:
2822{
2823 int fd;
2824#if HAVE_EVENTFD
2825 fd = eventfd (initval, flags);
2826#else
2827 fd = (errno = ENOSYS, -1);
2828#endif
2829
2830 XPUSHs (newmortalFH (fd, O_RDWR));
2831}
2832
2833void
2834timerfd_create (int clockid, int flags = 0)
2835 PPCODE:
2836{
2837 int fd;
2838#if HAVE_TIMERFD
2839 fd = timerfd_create (clockid, flags);
2840#else
2841 fd = (errno = ENOSYS, -1);
2842#endif
2843
2844 XPUSHs (newmortalFH (fd, O_RDWR));
2845}
2846
2847void
2848timerfd_settime (SV *fh, int flags, NV interval, NV value)
2849 PPCODE:
2850{
2851 int fd = s_fileno_croak (fh, 0);
2852#if HAVE_TIMERFD
2853 int res;
2854 struct itimerspec its, ots;
2855
2856 ts_set (&its.it_interval, interval);
2857 ts_set (&its.it_value , value);
2858 res = timerfd_settime (fd, flags, &its, &ots);
2859
2860 if (!res)
2861 {
2862 EXTEND (SP, 2);
2863 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2864 PUSHs (newSVnv (ts_get (&ots.it_value)));
2865 }
2866#else
2867 errno = ENOSYS;
2868#endif
2869}
2870
2871void
2872timerfd_gettime (SV *fh)
2873 PPCODE:
2874{
2875 int fd = s_fileno_croak (fh, 0);
2876#if HAVE_TIMERFD
2877 int res;
2878 struct itimerspec ots;
2879 res = timerfd_gettime (fd, &ots);
2880
2881 if (!res)
2882 {
2883 EXTEND (SP, 2);
2884 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2885 PUSHs (newSVnv (ts_get (&ots.it_value)));
2886 }
2887#else
2888 errno = ENOSYS;
2889#endif
2890}
2891
2892void
2893memfd_create (octet_string pathname, int flags = 0)
2894 PPCODE:
2895{
2896 int fd;
2897#if HAVE_MEMFD_CREATE
2898 fd = memfd_create (pathname, flags);
2899#else
2900 fd = (errno = ENOSYS, -1);
2901#endif
2902
2903 XPUSHs (newmortalFH (fd, O_RDWR));
2904}
2905
2906int
2907fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2908 CODE:
2909{
2910 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2911 char **envp, **argv;
2912 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2913 if (!SvOK (envs))
2914 {
2915 extern char **environ;
2916 envp = environ;
2917 }
2918 else
2919 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2920#if _POSIX_VERSION >= 200809L
2921 RETVAL = fexecve (fd, argv, envp);
2922#else
2923 RETVAL = (errno = ENOSYS, -1);
2924#endif
2925}
2926 OUTPUT: RETVAL
2927
2928int
2929mount (octet_string special, octet_string path, octet_string fstype, UV flags = 0, octet_string_ornull data = 0)
2930 CODE:
2931#if HAVE_MOUNT
2932 RETVAL = mount (special, path, fstype, flags, data);
2933#else
2934 RETVAL = (errno = ENOSYS, -1);
2935#endif
2936 OUTPUT: RETVAL
2937
2938int
2939umount (octet_string path, int flags = 0)
2940 CODE:
2941 if (flags)
2942#if HAVE_UMOUNT2
2943 RETVAL = umount2 (path, flags);
2944#else
2945 RETVAL = (errno = ENOSYS, -1);
2946#endif
2947 else
2948#if HAVE_UMOUNT
2949 RETVAL = umount (path);
2950#else
2951 RETVAL = (errno = ENOSYS, -1);
2952#endif
2953 OUTPUT: RETVAL
2954
2955UV
2956get_fdlimit ()
2957 CODE:
2958#if HAVE_RLIMITS
2959 struct rlimit rl;
2960 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2961 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2962#endif
2963 XSRETURN_UNDEF;
2964 OUTPUT:
2965 RETVAL
2966
2967void
2968min_fdlimit (UV limit = 0x7fffffffU)
2969 CODE:
2970{
2971#if HAVE_RLIMITS
2972 struct rlimit rl;
2973 rlim_t orig_rlim_max;
2974 UV bit;
2975
2976 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2977 goto fail;
2978
2979 if (rl.rlim_cur == RLIM_INFINITY)
2980 XSRETURN_YES;
2981
2982 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2983
2984 if (rl.rlim_cur < limit)
2985 {
2986 rl.rlim_cur = limit;
2987
2988 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2989 rl.rlim_max = rl.rlim_cur;
2990 }
2991
2992 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2993 XSRETURN_YES;
2994
2995 if (errno == EPERM)
2996 {
2997 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2998 /* our limit overflows a system-wide limit */
2999 /* try an adaptive algorithm, but do not lower the hardlimit */
3000 rl.rlim_max = 0;
3001 for (bit = 0x40000000U; bit; bit >>= 1)
3002 {
3003 rl.rlim_max |= bit;
3004 rl.rlim_cur = rl.rlim_max;
3005
3006 /* never decrease the hard limit */
3007 if (rl.rlim_max < orig_rlim_max)
3008 break;
3009
3010 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
3011 rl.rlim_max &= ~bit; /* too high, remove bit again */
3012 }
3013
3014 /* now, raise the soft limit to the max permitted */
3015 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
3016 {
3017 rl.rlim_cur = rl.rlim_max;
3018 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
3019 errno = EPERM;
3020 }
3021 }
3022#endif
3023 fail:
3024 XSRETURN_UNDEF;
3025}
3026
1156void _on_next_submit (SV *cb) 3027void _on_next_submit (SV *cb)
1157 CODE: 3028 CODE:
1158 SvREFCNT_dec (on_next_submit); 3029 SvREFCNT_dec (on_next_submit);
1159 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 3030 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160 3031
1161PROTOTYPES: DISABLE 3032PROTOTYPES: DISABLE
1162 3033
3034MODULE = IO::AIO PACKAGE = IO::AIO::WD
3035
3036BOOT:
3037{
3038 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
3039 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
3040}
3041
3042void
3043DESTROY (SV *self)
3044 CODE:
3045{
3046 aio_wd wd = SvAIO_WD (self);
3047#if HAVE_AT
3048 {
3049 SV *callback = &PL_sv_undef;
3050 dREQ; /* clobbers next_pri :/ */
3051 next_pri = req->pri; /* restore next_pri */
3052 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
3053 req->type = EIO_WD_CLOSE;
3054 req->wd = wd;
3055 REQ_SEND;
3056 }
3057#else
3058 eio_wd_close_sync (wd);
3059#endif
3060}
3061
1163MODULE = IO::AIO PACKAGE = IO::AIO::REQ 3062MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1164 3063
1165void 3064void
1166cancel (aio_req_ornot req) 3065cancel (aio_req_ornot req)
1167 CODE: 3066 CODE:
1168 eio_cancel (req); 3067 eio_cancel (req);
1169 3068
1170void 3069void
1171cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 3070cb (aio_req_ornot req, SV *callback = NO_INIT)
1172 PPCODE: 3071 PPCODE:
1173{ 3072{
1174 if (GIMME_V != G_VOID) 3073 if (GIMME_V != G_VOID)
1175 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 3074 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1176 3075
… …
1241limit (aio_req grp, int limit) 3140limit (aio_req grp, int limit)
1242 CODE: 3141 CODE:
1243 eio_grp_limit (grp, limit); 3142 eio_grp_limit (grp, limit);
1244 3143
1245void 3144void
1246feed (aio_req grp, SV *callback=&PL_sv_undef) 3145feed (aio_req grp, SV *callback = &PL_sv_undef)
1247 CODE: 3146 CODE:
1248{ 3147{
1249 SvREFCNT_dec (grp->sv2); 3148 SvREFCNT_dec (grp->sv2);
1250 grp->sv2 = newSVsv (callback); 3149 grp->sv2 = newSVsv (callback);
1251 grp->feed = aio_grp_feed; 3150 grp->feed = aio_grp_feed;

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