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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs.
Revision 1.294 by root, Sat Apr 9 19:34:05 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
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
36#endif
37
38/* perl namespace pollution */
39#undef VERSION
40
41/* perl stupidly overrides readdir and maybe others */
42/* with thread-unsafe versions, imagine that :( */
43#undef readdir
44#undef opendir
45#undef closedir
46
18#ifdef _WIN32 47#ifdef _WIN32
19 48
20# define EIO_STRUCT_DIRENT Direntry_t
21# undef malloc
22# undef free
23
24// perl overrides all those nice win32 functions 49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
25# undef open 53 #undef open
26# undef read 54 #undef read
27# undef write 55 #undef write
28# undef send 56 #undef send
29# undef recv 57 #undef recv
30# undef stat 58 #undef stat
59 #undef lstat
31# undef fstat 60 #undef fstat
32# define lstat stat
33# undef truncate 61 #undef truncate
34# undef ftruncate 62 #undef ftruncate
35# undef open 63 #undef open
64 #undef link
36# undef close 65 #undef close
37# undef unlink 66 #undef unlink
67 #undef mkdir
38# undef rmdir 68 #undef rmdir
39# undef rename 69 #undef rename
40# undef lseek 70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80 #undef utime
41 81
42# define chown(a,b,c) (errno = ENOSYS, -1) 82 #define EIO_STRUCT_STAT struct _stati64
43# define fchown(a,b,c) (errno = ENOSYS, -1) 83 #define EIO_STRUCT_STATI64
44# define fchmod(a,b) (errno = ENOSYS, -1)
45# define symlink(a,b) (errno = ENOSYS, -1)
46# define readlink(a,b,c) (errno = ENOSYS, -1)
47# define mknod(a,b,c) (errno = ENOSYS, -1)
48# define truncate(a,b) (errno = ENOSYS, -1)
49# define ftruncate(fd,o) chsize ((fd), (o))
50# define fsync(fd) _commit (fd)
51# define opendir(fd) (errno = ENOSYS, 0)
52# define readdir(fd) (errno = ENOSYS, -1)
53# define closedir(fd) (errno = ENOSYS, -1)
54# define mkdir(a,b) mkdir (a)
55 84
56#else 85#else
57 86
58# include <sys/time.h> 87 #include <sys/time.h>
59# include <sys/select.h> 88 #include <sys/select.h>
89 #include <sys/wait.h>
60# include <unistd.h> 90 #include <unistd.h>
61# include <utime.h> 91 #include <utime.h>
62# include <signal.h> 92 #include <signal.h>
63# define EIO_STRUCT_DIRENT struct dirent
64 93
65#endif
66
67#define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
68 95
69/* use NV for 32 bit perls as it allows larger offsets */ 96#endif
70#if IVSIZE >= 8 97
71# define SvVAL64 SvIV 98/*****************************************************************************/
99
100#if __GNUC__ >= 3
101# define expect(expr,value) __builtin_expect ((expr),(value))
72#else 102#else
73# define SvVAL64 SvNV 103# define expect(expr,value) (expr)
74#endif 104#endif
75 105
76static HV *stash; 106#define expect_false(expr) expect ((expr) != 0, 0)
107#define expect_true(expr) expect ((expr) != 0, 1)
108
109/*****************************************************************************/
110
111#include "config.h"
112
113#if HAVE_SYS_MKDEV_H
114# include <sys/mkdev.h>
115#elif HAVE_SYS_SYSMACROS_H
116# include <sys/sysmacros.h>
117#endif
118
119#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
120# include <sys/mman.h>
121#endif
122
123#if HAVE_SYS_UIO_H
124# include <sys/uio.h>
125#endif
126
127#if HAVE_ST_XTIMENSEC
128# define ATIMENSEC PL_statcache.st_atimensec
129# define MTIMENSEC PL_statcache.st_mtimensec
130# define CTIMENSEC PL_statcache.st_ctimensec
131#elif HAVE_ST_XTIMESPEC
132# define ATIMENSEC PL_statcache.st_atim.tv_nsec
133# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
134# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
135#else
136# define ATIMENSEC 0
137# define MTIMENSEC 0
138# define CTIMENSEC 0
139#endif
140
141#if HAVE_ST_BIRTHTIMENSEC
142# define BTIMESEC PL_statcache.st_birthtime
143# define BTIMENSEC PL_statcache.st_birthtimensec
144#elif HAVE_ST_BIRTHTIMESPEC
145# define BTIMESEC PL_statcache.st_birthtim.tv_sec
146# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
147#else
148# define BTIMESEC 0
149# define BTIMENSEC 0
150#endif
151
152#if HAVE_ST_GEN
153# define ST_GEN PL_statcache.st_gen
154#else
155# define ST_GEN 0
156#endif
157
158#include "schmorp.h"
159
160#if HAVE_EVENTFD
161# include <sys/eventfd.h>
162#endif
163
164#if HAVE_TIMERFD
165# include <sys/timerfd.h>
166#endif
167
168#if HAVE_RLIMITS
169 #include <sys/time.h>
170 #include <sys/resource.h>
171#endif
172
77typedef SV SV8; /* byte-sv, used for argument-checking */ 173typedef SV SV8; /* byte-sv, used for argument-checking */
174typedef int aio_rfd; /* read file desriptor */
175typedef int aio_wfd; /* write file descriptor */
78 176
79#define AIO_REQ_KLASS "IO::AIO::REQ" 177static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
80#define AIO_GRP_KLASS "IO::AIO::GRP"
81 178
82#define EIO_COMMON \ 179#define EIO_REQ_MEMBERS \
83 SV *callback; \ 180 SV *callback; \
84 SV *sv1, *sv2; \ 181 SV *sv1, *sv2; \
182 SV *sv3, *sv4; \
85 STRLEN stroffset; \ 183 STRLEN stroffset; \
86 SV *self 184 SV *self;
185
186#define EIO_NO_WRAPPERS 1
87 187
88#include "libeio/eio.h" 188#include "libeio/eio.h"
89 189
90static int req_invoke (eio_req *req); 190static int req_invoke (eio_req *req);
91#define EIO_FINISH(req) req_invoke (req) 191#define EIO_FINISH(req) req_invoke (req)
92static void aio_grp_feed (eio_req *grp);
93#define EIO_FEED(req) aio_grp_feed (req)
94static void req_destroy (eio_req *grp); 192static void req_destroy (eio_req *grp);
95#define EIO_DESTROY(req) req_destroy (req) 193#define EIO_DESTROY(req) req_destroy (req)
194
195#include "libeio/eio.c"
196
197#if !HAVE_POSIX_FADVISE
198# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
199#endif
200
201#if !HAVE_POSIX_MADVISE
202# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
203#endif
204
205#ifndef MAP_ANONYMOUS
206# ifdef MAP_ANON
207# define MAP_ANONYMOUS MAP_ANON
208# else
209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
210# endif
211#endif
212
213#ifndef makedev
214# define makedev(maj,min) (((maj) << 8) | (min))
215#endif
216#ifndef major
217# define major(dev) ((dev) >> 8)
218#endif
219#ifndef minor
220# define minor(dev) ((dev) & 0xff)
221#endif
222
223/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
224#ifdef __sun
225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
229# define PAGESIZE sysconf (_SC_PAGESIZE)
230#endif
231
232/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
233#ifdef __sun
234# undef HAVE_SYSCALL
235#endif
236
237#if HAVE_SYSCALL
238#include <sys/syscall.h>
239#else
240# define syscall(nr,...) (errno = ENOSYS, -1)
241#endif
242
243/*****************************************************************************/
244
245#if !_POSIX_MAPPED_FILES
246# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
247# define munmap(addr,length) EIO_ENOSYS ()
248#endif
249
250#if !_POSIX_MEMORY_PROTECTION
251# define mprotect(addr,len,prot) EIO_ENOSYS ()
252#endif
253
254#if !MREMAP_MAYMOVE
255# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
256#endif
257
258#define FOREIGN_MAGIC PERL_MAGIC_ext
259
260static int ecb_cold
261mmap_free (pTHX_ SV *sv, MAGIC *mg)
262{
263 int old_errno = errno;
264 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
265 errno = old_errno;
266
267 mg->mg_obj = 0; /* just in case */
268
269 SvREADONLY_off (sv);
270
271 if (SvPVX (sv) != mg->mg_ptr)
272 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
273
274 SvCUR_set (sv, 0);
275 SvPVX (sv) = 0;
276 SvOK_off (sv);
277
278 return 0;
279}
280
281static MGVTBL mmap_vtbl = {
282 0, 0, 0, 0, mmap_free
283};
284
285static int ecb_cold
286sysfree_free (pTHX_ SV *sv, MAGIC *mg)
287{
288 free (mg->mg_ptr);
289 mg->mg_obj = 0; /* just in case */
290
291 SvREADONLY_off (sv);
292
293 if (SvPVX (sv) != mg->mg_ptr)
294 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
295
296 SvCUR_set (sv, 0);
297 SvPVX (sv) = 0;
298 SvOK_off (sv);
299
300 return 0;
301}
302
303static MGVTBL sysfree_vtbl = {
304 0, 0, 0, 0, sysfree_free
305};
306
307/*****************************************************************************/
308
309/* helper: set scalar to foreign ptr with custom free */
310ecb_noinline
311static void
312sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
313{
314 sv_force_normal (sv);
315
316 /* we store the length in mg_obj, as namlen is I32 :/ */
317 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
318 ->mg_obj = (SV *)length;
319
320 SvUPGRADE (sv, SVt_PV); /* nop... */
321
322 if (SvLEN (sv))
323 Safefree (SvPVX (sv));
324
325 SvPVX (sv) = (char *)addr;
326 SvCUR_set (sv, length);
327 SvLEN_set (sv, 0);
328 SvPOK_only (sv);
329}
330
331static void
332sv_clear_foreign (SV *sv)
333{
334 /* todo: iterate over magic and only free ours, but of course */
335 /* the perl5porters will call that (correct) behaviour buggy */
336 sv_unmagic (sv, FOREIGN_MAGIC);
337}
338
339/*****************************************************************************/
340
341/* defines all sorts of constants to 0 unless they are already defined */
342/* also provides const_iv_ and const_niv_ macros for them */
343#include "def0.h"
344
345/*****************************************************************************/
346
347static void
348fiemap (eio_req *req)
349{
350 req->result = -1;
351
352#if HAVE_FIEMAP
353 /* assume some c99 */
354 struct fiemap *fiemap = 0;
355 size_t end_offset;
356 int count = req->int3;
357
358 req->flags |= EIO_FLAG_PTR1_FREE;
359
360 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
361 /* increase in fixed steps */
362 if (count < 0)
363 count = 8;
364
365 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
366 errno = ENOMEM;
367 if (!fiemap)
368 return;
369
370 req->ptr1 = fiemap;
371
372 fiemap->fm_start = req->offs;
373 fiemap->fm_length = req->size;
374 fiemap->fm_flags = req->int2;
375 fiemap->fm_extent_count = count;
376
377 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
378 return;
379
380 if (req->int3 >= 0 /* not autosizing */
381 || !fiemap->fm_mapped_extents /* no more extents */
382 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
383 goto done;
384
385 /* else we have to loop -
386 * it would be tempting (actually I tried that first) to just query the
387 * number of extents needed, but linux often feels like not returning all
388 * extents, without telling us it left any out. this complicates
389 * this quite a bit.
390 */
391
392 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
393
394 for (;;)
395 {
396 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
397 char scratch[3072];
398 struct fiemap *incmap = (struct fiemap *)scratch;
399
400 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
401 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
402 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
403 incmap->fm_flags = fiemap->fm_flags;
404 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
405
406 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
407 return;
408
409 if (!incmap->fm_mapped_extents)
410 goto done;
411
412 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
413 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
414 errno = ENOMEM;
415 if (!fiemap)
416 return;
417
418 req->ptr1 = fiemap;
419
420 for (count = 0; count < incmap->fm_mapped_extents; ++count)
421 {
422 struct fiemap_extent *e = incmap->fm_extents + count;
423
424 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
425
426 if (e->fe_logical >= end_offset)
427 goto done;
428
429 if (e->fe_flags & FIEMAP_EXTENT_LAST)
430 goto done;
431
432 }
433 }
434
435done:
436 req->result = 0;
437
438#else
439 errno = ENOSYS;
440#endif
441}
442
443/*****************************************************************************/
444
445static int close_fd; /* dummy fd to close fds via dup2 */
446
447#if HAVE_STATX
448static struct statx stx;
449#define statx_offsetof(member) offsetof (struct statx, member)
450#define eio__statx statx
451#else
452#define statx_offsetof(member) 0
453#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
454#endif
96 455
97enum { 456enum {
98 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
99}; 458};
100 459
101#include "libeio/eio.c"
102
103typedef eio_req *aio_req; 460typedef eio_req *aio_req;
104typedef eio_req *aio_req_ornot; 461typedef eio_req *aio_req_ornot;
462typedef eio_wd aio_wd;
105 463
106static SV *on_next_submit; 464static SV *on_next_submit;
107static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; 465static int next_pri = EIO_PRI_DEFAULT;
108static int max_outstanding; 466static int max_outstanding;
109 467
110static int respipe_osf [2], respipe [2] = { -1, -1 }; 468static s_epipe respipe;
111 469
112static void req_destroy (aio_req req); 470static void req_destroy (aio_req req);
113static void req_cancel (aio_req req); 471static void req_cancel (aio_req req);
114 472
115static void want_poll (void) 473static void
474want_poll (void)
116{ 475{
117 /* write a dummy byte to the pipe so fh becomes ready */ 476 /* write a dummy byte to the pipe so fh becomes ready */
118 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 477 s_epipe_signal (&respipe);
119} 478}
120 479
121static void done_poll (void) 480static void
481done_poll (void)
122{ 482{
123 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
124 char buf [4]; 484 s_epipe_drain (&respipe);
125 while (respipe_read (respipe [0], buf, 4) == 4)
126 ;
127} 485}
128 486
129/* must be called at most once */ 487/* must be called at most once */
130static SV *req_sv (aio_req req, const char *klass) 488ecb_noinline
489static SV *
490req_sv (aio_req req, HV *stash)
131{ 491{
132 if (!req->self) 492 if (!req->self)
133 { 493 {
134 req->self = (SV *)newHV (); 494 req->self = (SV *)newHV ();
135 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 495 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136 } 496 }
137 497
138 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 498 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139} 499}
140 500
141static aio_req SvAIO_REQ (SV *sv) 501static SV *
502newSVaio_wd (aio_wd wd)
503{
504 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
505}
506
507ecb_noinline
508static aio_req
509SvAIO_REQ (SV *sv)
142{ 510{
143 MAGIC *mg; 511 MAGIC *mg;
144 512
145 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 513 if (!SvROK (sv)
514 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
515 || (SvSTASH (SvRV (sv)) != aio_grp_stash
516 && SvSTASH (SvRV (sv)) != aio_req_stash
517 && !sv_derived_from (sv, "IO::AIO::REQ")))
146 croak ("object of class " AIO_REQ_KLASS " expected"); 518 croak ("object of class IO::AIO::REQ expected");
147 519
148 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 520 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149 521
150 return mg ? (aio_req)mg->mg_ptr : 0; 522 return mg ? (aio_req)mg->mg_ptr : 0;
151} 523}
152 524
525static aio_wd
526SvAIO_WD (SV *sv)
527{
528 if (!SvROK (sv)
529 || SvTYPE (SvRV (sv)) != SVt_PVMG
530 || SvSTASH (SvRV (sv)) != aio_wd_stash)
531 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
532
533 return (aio_wd)(long)SvIVX (SvRV (sv));
534}
535
536static SV *
537newmortalFH (int fd, int flags)
538{
539 if (fd < 0)
540 return &PL_sv_undef;
541
542 GV *gv = (GV *)sv_newmortal ();
543 char sym[64];
544 int symlen;
545
546 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
547 gv_init (gv, aio_stash, sym, symlen, 0);
548
549 symlen = snprintf (
550 sym,
551 sizeof (sym),
552 "%s&=%d",
553 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
554 fd
555 );
556
557 return do_open (gv, sym, symlen, 0, 0, 0, 0)
558 ? (SV *)gv : &PL_sv_undef;
559}
560
561static void
153static void aio_grp_feed (aio_req grp) 562aio_grp_feed (aio_req grp)
154{ 563{
155 if (grp->sv2 && SvOK (grp->sv2)) 564 if (grp->sv2 && SvOK (grp->sv2))
156 { 565 {
157 dSP; 566 dSP;
158 567
159 ENTER; 568 ENTER;
160 SAVETMPS; 569 SAVETMPS;
161 PUSHMARK (SP); 570 PUSHMARK (SP);
162 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 571 XPUSHs (req_sv (grp, aio_grp_stash));
163 PUTBACK; 572 PUTBACK;
164 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 573 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165 SPAGAIN; 574 SPAGAIN;
166 FREETMPS; 575 FREETMPS;
167 LEAVE; 576 LEAVE;
168 } 577 }
169} 578}
170 579
580ecb_noinline
581static void
171static void req_submit (eio_req *req) 582req_submit (eio_req *req)
172{ 583{
173 eio_submit (req); 584 eio_submit (req);
174 585
175 if (on_next_submit) 586 if (expect_false (on_next_submit))
176 { 587 {
177 dSP; 588 dSP;
178 SV *cb = sv_2mortal (on_next_submit); 589 SV *cb = sv_2mortal (on_next_submit);
179 590
180 on_next_submit = 0; 591 on_next_submit = 0;
… …
183 PUTBACK; 594 PUTBACK;
184 call_sv (cb, G_DISCARD | G_EVAL); 595 call_sv (cb, G_DISCARD | G_EVAL);
185 } 596 }
186} 597}
187 598
599static int
188static int req_invoke (eio_req *req) 600req_invoke (eio_req *req)
189{ 601{
190 dSP;
191
192 if (req->flags & FLAG_SV2_RO_OFF) 602 if (req->flags & FLAG_SV2_RO_OFF)
193 SvREADONLY_off (req->sv2); 603 SvREADONLY_off (req->sv2);
194 604
195 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 605 if (!EIO_CANCELLED (req) && req->callback)
196 { 606 {
607 dSP;
608 static SV *sv_result_cache; /* caches the result integer SV */
609 SV *sv_result;
610
197 ENTER; 611 ENTER;
198 SAVETMPS; 612 SAVETMPS;
199 PUSHMARK (SP); 613 PUSHMARK (SP);
200 EXTEND (SP, 1); 614 EXTEND (SP, 1);
201 615
616 /* do not recreate the result IV from scratch each time */
617 if (expect_true (sv_result_cache))
618 {
619 sv_result = sv_result_cache; sv_result_cache = 0;
620 SvIV_set (sv_result, req->result);
621 SvIOK_only (sv_result);
622 }
623 else
624 {
625 sv_result = newSViv (req->result);
626 SvREADONLY_on (sv_result);
627 }
628
202 switch (req->type) 629 switch (req->type)
203 { 630 {
631 case EIO_WD_OPEN:
632 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
633 break;
634
204 case EIO_READDIR: 635 case EIO_READDIR:
205 { 636 {
206 SV *rv = &PL_sv_undef; 637 SV *rv = &PL_sv_undef;
207 638
208 if (req->result >= 0) 639 if (req->result >= 0)
209 { 640 {
210 int i; 641 int i;
211 char *buf = req->ptr2; 642 char *names = (char *)req->ptr2;
643 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
212 AV *av = newAV (); 644 AV *av = newAV ();
213 645
214 av_extend (av, req->result - 1); 646 av_extend (av, req->result - 1);
215 647
216 for (i = 0; i < req->result; ++i) 648 for (i = 0; i < req->result; ++i)
217 { 649 {
218 SV *sv = newSVpv (buf, 0); 650 if (req->int1 & EIO_READDIR_DENTS)
651 {
652 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
219 653
654 if (req->int1 & EIO_READDIR_CUSTOM2)
655 {
656 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
657 AV *avent = newAV ();
658
659 av_extend (avent, 2);
660
661 if (!sv_type [ent->type])
662 {
663 sv_type [ent->type] = newSViv (ent->type);
664 SvREADONLY_on (sv_type [ent->type]);
665 }
666
667 av_store (avent, 0, namesv);
668 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
669 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
670
671 av_store (av, i, newRV_noinc ((SV *)avent));
672 }
673 else
220 av_store (av, i, sv); 674 av_store (av, i, namesv);
675
676 ++ent;
677 }
678 else
679 {
680 SV *name = newSVpv (names, 0);
681 av_store (av, i, name);
221 buf += SvCUR (sv) + 1; 682 names += SvCUR (name) + 1;
683 }
222 } 684 }
223 685
224 rv = sv_2mortal (newRV_noinc ((SV *)av)); 686 rv = sv_2mortal (newRV_noinc ((SV *)av));
225 } 687 }
226 688
227 PUSHs (rv); 689 PUSHs (rv);
690
691 if (req->int1 & EIO_READDIR_CUSTOM1)
692 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
228 } 693 }
229 break; 694 break;
230 695
231 case EIO_OPEN: 696 case EIO_OPEN:
697 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
698 break;
699
700 case EIO_STATVFS:
701 case EIO_FSTATVFS:
232 { 702 {
233 /* convert fd to fh */
234 SV *fh = &PL_sv_undef; 703 SV *rv = &PL_sv_undef;
235 704
705#ifndef _WIN32
236 if (req->result >= 0) 706 if (req->result >= 0)
237 { 707 {
708 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
238 GV *gv = (GV *)sv_newmortal (); 709 HV *hv = newHV ();
239 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 710 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
240 char sym [64]; 711 * chooses to make it a struct.
241 int symlen;
242 712 */
243 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 713 unsigned long fsid = 0;
244 gv_init (gv, stash, sym, symlen, 0); 714 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
245 715
246 symlen = snprintf ( 716 rv = sv_2mortal (newRV_noinc ((SV *)hv));
247 sym,
248 sizeof (sym),
249 "%s&=%d",
250 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
251 req->result
252 );
253 717
254 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 718 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
255 fh = (SV *)gv; 719 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
720 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
721 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
722 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
723 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
724 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
725 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
726 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
727 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
728 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
256 } 729 }
730#endif
257 731
258 PUSHs (fh); 732 PUSHs (rv);
259 } 733 }
734
260 break; 735 break;
261 736
262 case EIO_GROUP: 737 case EIO_GROUP:
263 req->int1 = 2; /* mark group as finished */ 738 req->int1 = 2; /* mark group as finished */
264 739
… …
276 case EIO_NOP: 751 case EIO_NOP:
277 case EIO_BUSY: 752 case EIO_BUSY:
278 break; 753 break;
279 754
280 case EIO_READLINK: 755 case EIO_READLINK:
756 case EIO_REALPATH:
281 if (req->result > 0) 757 if (req->result > 0)
282 { 758 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
283 SvCUR_set (req->sv2, req->result);
284 *SvEND (req->sv2) = 0;
285 PUSHs (req->sv2);
286 }
287 break; 759 break;
288 760
289 case EIO_STAT: 761 case EIO_STAT:
290 case EIO_LSTAT: 762 case EIO_LSTAT:
291 case EIO_FSTAT: 763 case EIO_FSTAT:
292 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 764 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
765
293 PL_laststatval = req->result; 766 if (!(PL_laststatval = req->result))
767 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
294 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 768 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
295 PUSHs (sv_2mortal (newSViv (req->result))); 769
770 PUSHs (sv_result);
296 break; 771 break;
297 772
773 case EIO_SEEK:
774 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
775 break;
776
298 case EIO_READ: 777 case EIO_READ:
778 {
299 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 779 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
300 *SvEND (req->sv2) = 0; 780 *SvEND (req->sv2) = 0;
301 PUSHs (sv_2mortal (newSViv (req->result))); 781 SvPOK_only (req->sv2);
782 SvSETMAGIC (req->sv2);
783 PUSHs (sv_result);
784 }
302 break; 785 break;
303 786
304 case EIO_DUP2: 787 case EIO_SLURP:
788 {
789 if (req->result >= 0)
790 {
791 /* if length was originally not known, we steal the malloc'ed memory */
792 if (req->flags & EIO_FLAG_PTR2_FREE)
793 {
794 req->flags &= ~EIO_FLAG_PTR2_FREE;
795 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
796 }
797 else
798 {
799 SvCUR_set (req->sv2, req->result);
800 *SvEND (req->sv2) = 0;
801 SvPOK_only (req->sv2);
802 }
803
804 SvSETMAGIC (req->sv2);
805 }
806
807 PUSHs (sv_result);
808 }
809 break;
810
811 case EIO_CUSTOM:
812 if (req->feed == fiemap)
813 {
814#if HAVE_FIEMAP
815 if (!req->result)
816 {
817 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
818
819 if (fiemap->fm_extent_count)
820 {
821 AV *av = newAV ();
822 int i;
823
824 while (fiemap->fm_mapped_extents)
825 {
826 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
827 AV *ext_av = newAV ();
828
829 av_store (ext_av, 3, newSVuv (extent->fe_flags));
830 av_store (ext_av, 2, newSVval64 (extent->fe_length));
831 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
832 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
833
834 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
835 }
836
837 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
838 }
839 else
840 {
841 SvIV_set (sv_result, fiemap->fm_mapped_extents);
842 PUSHs (sv_result);
843 }
844 }
845#endif
846 }
847 else
848 PUSHs (sv_result);
849 break;
850
851#if 0
852 case EIO_CLOSE:
853 PerlIOUnix_refcnt_dec (req->int1);
854 break;
855#endif
856
857 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
305 if (req->result > 0) 858 if (req->result > 0)
306 req->result = 0; 859 SvIV_set (sv_result, 0);
307 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
308 861
309 default: 862 default:
310 PUSHs (sv_2mortal (newSViv (req->result))); 863 PUSHs (sv_result);
311 break; 864 break;
312 } 865 }
313 866
314 errno = req->errorno; 867 errno = req->errorno;
315 868
316 PUTBACK; 869 PUTBACK;
317 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 870 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
318 SPAGAIN; 871 SPAGAIN;
319 872
873 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
874 SvREFCNT_dec (sv_result);
875 else
876 sv_result_cache = sv_result;
877
320 FREETMPS; 878 FREETMPS;
321 LEAVE; 879 LEAVE;
322 880
323 PUTBACK; 881 PUTBACK;
324 } 882 }
325 883
326 return !!SvTRUE (ERRSV); 884 return !!SvTRUE (ERRSV);
327} 885}
328 886
887static void
329static void req_destroy (aio_req req) 888req_destroy (aio_req req)
330{ 889{
331 if (req->self) 890 if (req->self)
332 { 891 {
333 sv_unmagic (req->self, PERL_MAGIC_ext); 892 sv_unmagic (req->self, PERL_MAGIC_ext);
334 SvREFCNT_dec (req->self); 893 SvREFCNT_dec (req->self);
335 } 894 }
336 895
337 SvREFCNT_dec (req->sv1); 896 SvREFCNT_dec (req->sv1);
338 SvREFCNT_dec (req->sv2); 897 SvREFCNT_dec (req->sv2);
898 SvREFCNT_dec (req->sv3);
899 SvREFCNT_dec (req->sv4);
339 SvREFCNT_dec (req->callback); 900 SvREFCNT_dec (req->callback);
340 901
341 Safefree (req); 902 free (req);
342} 903}
343 904
905static void
344static void req_cancel_subs (aio_req grp) 906req_cancel_subs (aio_req grp)
345{ 907{
346 aio_req sub;
347
348 if (grp->type != EIO_GROUP) 908 if (grp->type != EIO_GROUP)
349 return; 909 return;
350 910
351 SvREFCNT_dec (grp->sv2); 911 SvREFCNT_dec (grp->sv2);
352 grp->sv2 = 0; 912 grp->sv2 = 0;
353 913
354 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
355} 915}
356 916
357#ifdef USE_SOCKETS_AS_HANDLES 917ecb_cold
358# define TO_SOCKET(x) (win32_get_osfhandle (x))
359#else
360# define TO_SOCKET(x) (x)
361#endif
362
363static void 918static void
364create_respipe (void) 919create_respipe (void)
365{ 920{
366 int old_readfd = respipe [0];
367
368 if (respipe [1] >= 0)
369 respipe_close (TO_SOCKET (respipe [1]));
370
371#ifdef _WIN32
372 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
373#else
374 if (pipe (respipe)) 921 if (s_epipe_renew (&respipe))
375#endif
376 croak ("unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
377
378 if (old_readfd >= 0)
379 {
380 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
381 croak ("unable to initialize result pipe(2)");
382
383 respipe_close (respipe [0]);
384 respipe [0] = old_readfd;
385 }
386
387#ifdef _WIN32
388 int arg = 1;
389 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
390 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
391#else
392 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
393 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
394#endif
395 croak ("unable to initialize result pipe(3)");
396
397 respipe_osf [0] = TO_SOCKET (respipe [0]);
398 respipe_osf [1] = TO_SOCKET (respipe [1]);
399} 923}
400 924
401static void poll_wait (void) 925static void
926poll_wait (void)
402{ 927{
403 fd_set rfd;
404
405 while (eio_nreqs ()) 928 while (eio_nreqs ())
406 { 929 {
407 int size; 930 int size;
408 931
409 X_LOCK (reslock); 932 X_LOCK (EIO_POOL->reslock);
410 size = res_queue.size; 933 size = EIO_POOL->res_queue.size;
411 X_UNLOCK (reslock); 934 X_UNLOCK (EIO_POOL->reslock);
412 935
413 if (size) 936 if (size)
414 return; 937 return;
415 938
416 maybe_start_thread (); 939 etp_maybe_start_thread (EIO_POOL);
417 940
418 FD_ZERO (&rfd); 941 s_epipe_wait (&respipe);
419 FD_SET (respipe [0], &rfd);
420
421 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
422 } 942 }
423} 943}
424 944
425static int poll_cb (void) 945static int
946poll_cb (void)
426{ 947{
427 int res; 948 for (;;)
428
429 do
430 { 949 {
431 res = eio_poll (); 950 int res = eio_poll ();
432 951
433 if (res > 0) 952 if (res > 0)
434 croak (0); 953 croak (0);
954
955 if (!max_outstanding || max_outstanding > eio_nreqs ())
956 return res;
957
958 poll_wait ();
435 } 959 }
436 while (max_outstanding && max_outstanding <= eio_nreqs ());
437
438 return res;
439} 960}
440 961
441static void atfork_child (void) 962ecb_cold
963static void
964reinit (void)
442{ 965{
443 create_respipe (); 966 create_respipe ();
967
968 if (eio_init (want_poll, done_poll) < 0)
969 croak ("IO::AIO: unable to initialise eio library");
970}
971
972/*****************************************************************************/
973
974static SV *
975get_cb (SV *cb_sv)
976{
977 SvGETMAGIC (cb_sv);
978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
979}
980
981ecb_noinline
982static aio_req ecb_noinline
983dreq (SV *callback)
984{
985 SV *cb_cv;
986 aio_req req;
987 int req_pri = next_pri;
988 next_pri = EIO_PRI_DEFAULT;
989
990 cb_cv = get_cb (callback);
991
992 req = calloc (sizeof (*req), 1);
993 if (!req)
994 croak ("out of memory during eio_req allocation");
995
996 req->callback = SvREFCNT_inc (cb_cv);
997 req->pri = req_pri;
998
999 return req;
444} 1000}
445 1001
446#define dREQ \ 1002#define dREQ \
447 aio_req req; \ 1003 aio_req req = dreq (callback); \
448 int req_pri = next_pri; \
449 next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \
450 \
451 if (SvOK (callback) && !SvROK (callback)) \
452 croak ("callback must be undef or of reference type"); \
453 \
454 Newz (0, req, 1, eio_req); \
455 if (!req) \
456 croak ("out of memory during eio_req allocation"); \
457 \
458 req->callback = newSVsv (callback); \
459 req->pri = req_pri
460 1004
461#define REQ_SEND \ 1005#define REQ_SEND \
1006 PUTBACK; \
462 req_submit (req); \ 1007 req_submit (req); \
1008 SPAGAIN; \
463 \ 1009 \
464 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
465 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 1011 XPUSHs (req_sv (req, aio_req_stash));
466 1012
1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1014ecb_inline
1015void
1016req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1017{
1018 if (expect_false (SvROK (path)))
1019 {
1020 SV *rv = SvRV (path);
1021 SV *wdob;
1022
1023 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1024 {
1025 path = AvARRAY (rv)[1];
1026 wdob = AvARRAY (rv)[0];
1027
1028 if (SvOK (wdob))
1029 {
1030 *wd = SvAIO_WD (wdob);
1031 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1032 }
1033 else
1034 *wd = EIO_INVALID_WD;
1035 }
1036 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1037 {
1038 *wd = (aio_wd)(long)SvIVX (rv);
1039 *wdsv = SvREFCNT_inc_NN (rv);
1040 *ptr = ".";
1041 return; /* path set to "." */
1042 }
1043 else
1044 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1045 }
1046
1047 *pathsv = newSVsv (path);
1048 *ptr = SvPVbyte_nolen (*pathsv);
1049}
1050
1051ecb_noinline
1052static void
1053req_set_path1 (aio_req req, SV *path)
1054{
1055 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1056}
1057
1058ecb_noinline
1059static void
1060req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1061{
1062 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1063
1064 switch (SvTYPE (rv))
1065 {
1066 case SVt_PVIO:
1067 case SVt_PVLV:
1068 case SVt_PVGV:
1069 req->type = type_fh;
1070 req->sv1 = newSVsv (fh_or_path);
1071 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072 break;
1073
1074 default:
1075 req->type = type_path;
1076 req_set_path1 (req, fh_or_path);
1077 break;
1078 }
1079}
1080
1081/*****************************************************************************/
1082
1083static void
1084ts_set (struct timespec *ts, NV value)
1085{
1086 ts->tv_sec = value;
1087 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1088}
1089
1090static NV
1091ts_get (const struct timespec *ts)
1092{
1093 return ts->tv_sec + ts->tv_nsec * 1e-9;
1094}
1095
1096/*****************************************************************************/
1097
1098XS(boot_IO__AIO) ecb_cold;
1099
467MODULE = IO::AIO PACKAGE = IO::AIO 1100MODULE = IO::AIO PACKAGE = IO::AIO
468 1101
469PROTOTYPES: ENABLE 1102PROTOTYPES: ENABLE
470 1103
471BOOT: 1104BOOT:
472{ 1105{
1106 static const struct {
1107 const char *name;
1108 IV iv;
1109 } *civ, const_iv[] = {
1110# define const_niv(name, value) { # name, (IV) value },
1111# define const_iv(name) { # name, (IV) name },
1112# define const_eio(name) { # name, (IV) EIO_ ## name },
1113
1114 /* you have to re-run ./gendef0 after adding/removing any constants here */
1115 /* the first block can be undef if missing */
1116 const_iv (ENOSYS)
1117 const_iv (EXDEV)
1118 const_iv (EBADR)
1119
1120 /* for lseek */
1121 const_iv (SEEK_DATA)
1122 const_iv (SEEK_HOLE)
1123
1124 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1125 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1126 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1127 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1128 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1129 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1130
1131 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1132 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1133 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1134 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1135 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1136
1137 /* the second block will be 0 when missing */
1138 const_iv (O_ACCMODE)
1139
1140 const_iv (O_RDONLY)
1141 const_iv (O_WRONLY)
1142 const_iv (O_RDWR)
1143 const_iv (O_CREAT)
1144 const_iv (O_TRUNC)
1145 const_iv (O_EXCL)
1146 const_iv (O_APPEND)
1147
1148 const_iv (O_ASYNC)
1149 const_iv (O_DIRECT)
1150 const_iv (O_NOATIME)
1151
1152 const_iv (O_CLOEXEC)
1153 const_iv (O_NOCTTY)
1154 const_iv (O_NOFOLLOW)
1155 const_iv (O_NONBLOCK)
1156 const_iv (O_EXEC)
1157 const_iv (O_SEARCH)
1158 const_iv (O_DIRECTORY)
1159 const_iv (O_DSYNC)
1160 const_iv (O_RSYNC)
1161 const_iv (O_SYNC)
1162 const_iv (O_PATH)
1163 const_iv (O_TMPFILE)
1164 const_iv (O_TTY_INIT)
1165
1166 const_iv (S_IFIFO)
1167 const_iv (S_IFCHR)
1168 const_iv (S_IFBLK)
1169 const_iv (S_IFLNK)
1170 const_iv (S_IFREG)
1171 const_iv (S_IFDIR)
1172 const_iv (S_IFWHT)
1173 const_iv (S_IFSOCK)
1174 const_iv (S_IFMT)
1175
1176 const_iv (ST_RDONLY)
1177 const_iv (ST_NOSUID)
1178 const_iv (ST_NODEV)
1179 const_iv (ST_NOEXEC)
1180 const_iv (ST_SYNCHRONOUS)
1181 const_iv (ST_MANDLOCK)
1182 const_iv (ST_WRITE)
1183 const_iv (ST_APPEND)
1184 const_iv (ST_IMMUTABLE)
1185 const_iv (ST_NOATIME)
1186 const_iv (ST_NODIRATIME)
1187 const_iv (ST_RELATIME)
1188
1189 const_iv (PROT_NONE)
1190 const_iv (PROT_EXEC)
1191 const_iv (PROT_READ)
1192 const_iv (PROT_WRITE)
1193
1194 const_iv (MAP_PRIVATE)
1195 const_iv (MAP_SHARED)
1196 const_iv (MAP_FIXED)
1197 const_iv (MAP_ANONYMOUS)
1198
1199 /* linuxish */
1200 const_iv (MAP_LOCKED)
1201 const_iv (MAP_NORESERVE)
1202 const_iv (MAP_POPULATE)
1203 const_iv (MAP_NONBLOCK)
1204 const_iv (MAP_GROWSDOWN)
1205 const_iv (MAP_32BIT)
1206 const_iv (MAP_HUGETLB)
1207 const_iv (MAP_STACK)
1208 const_iv (MAP_FIXED_NOREPLACE)
1209 const_iv (MAP_SHARED_VALIDATE)
1210 const_iv (MAP_SYNC)
1211 const_iv (MAP_UNINITIALIZED)
1212
1213 const_iv (MREMAP_MAYMOVE)
1214 const_iv (MREMAP_FIXED)
1215
1216 const_iv (MSG_CMSG_CLOEXEC)
1217 const_iv (SOCK_CLOEXEC)
1218
1219 const_iv (F_DUPFD_CLOEXEC)
1220
1221 const_iv (F_ADD_SEALS)
1222 const_iv (F_GET_SEALS)
1223 const_iv (F_SEAL_SEAL)
1224 const_iv (F_SEAL_SHRINK)
1225 const_iv (F_SEAL_GROW)
1226 const_iv (F_SEAL_WRITE)
1227
1228 const_iv (F_OFD_GETLK)
1229 const_iv (F_OFD_SETLK)
1230 const_iv (F_OFD_GETLKW)
1231
1232 const_iv (FIFREEZE)
1233 const_iv (FITHAW)
1234 const_iv (FITRIM)
1235 const_iv (FICLONE)
1236 const_iv (FICLONERANGE)
1237 const_iv (FIDEDUPERANGE)
1238
1239 const_iv (FS_IOC_GETFLAGS)
1240 const_iv (FS_IOC_SETFLAGS)
1241 const_iv (FS_IOC_GETVERSION)
1242 const_iv (FS_IOC_SETVERSION)
1243 const_iv (FS_IOC_FIEMAP)
1244 const_iv (FS_IOC_FSGETXATTR)
1245 const_iv (FS_IOC_FSSETXATTR)
1246 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1247 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1248 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1249
1250 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1251
1252 const_iv (FS_SECRM_FL)
1253 const_iv (FS_UNRM_FL)
1254 const_iv (FS_COMPR_FL)
1255 const_iv (FS_SYNC_FL)
1256 const_iv (FS_IMMUTABLE_FL)
1257 const_iv (FS_APPEND_FL)
1258 const_iv (FS_NODUMP_FL)
1259 const_iv (FS_NOATIME_FL)
1260 const_iv (FS_DIRTY_FL)
1261 const_iv (FS_COMPRBLK_FL)
1262 const_iv (FS_NOCOMP_FL)
1263 const_iv (FS_ENCRYPT_FL)
1264 const_iv (FS_BTREE_FL)
1265 const_iv (FS_INDEX_FL)
1266 const_iv (FS_JOURNAL_DATA_FL)
1267 const_iv (FS_NOTAIL_FL)
1268 const_iv (FS_DIRSYNC_FL)
1269 const_iv (FS_TOPDIR_FL)
1270 const_iv (FS_FL_USER_MODIFIABLE)
1271
1272 const_iv (FS_XFLAG_REALTIME)
1273 const_iv (FS_XFLAG_PREALLOC)
1274 const_iv (FS_XFLAG_IMMUTABLE)
1275 const_iv (FS_XFLAG_APPEND)
1276 const_iv (FS_XFLAG_SYNC)
1277 const_iv (FS_XFLAG_NOATIME)
1278 const_iv (FS_XFLAG_NODUMP)
1279 const_iv (FS_XFLAG_RTINHERIT)
1280 const_iv (FS_XFLAG_PROJINHERIT)
1281 const_iv (FS_XFLAG_NOSYMLINKS)
1282 const_iv (FS_XFLAG_EXTSIZE)
1283 const_iv (FS_XFLAG_EXTSZINHERIT)
1284 const_iv (FS_XFLAG_NODEFRAG)
1285 const_iv (FS_XFLAG_FILESTREAM)
1286 const_iv (FS_XFLAG_DAX)
1287 const_iv (FS_XFLAG_HASATTR)
1288
1289 const_iv (FIEMAP_FLAG_SYNC)
1290 const_iv (FIEMAP_FLAG_XATTR)
1291 const_iv (FIEMAP_FLAGS_COMPAT)
1292 const_iv (FIEMAP_EXTENT_LAST)
1293 const_iv (FIEMAP_EXTENT_UNKNOWN)
1294 const_iv (FIEMAP_EXTENT_DELALLOC)
1295 const_iv (FIEMAP_EXTENT_ENCODED)
1296 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1297 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1298 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1299 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1300 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1301 const_iv (FIEMAP_EXTENT_MERGED)
1302 const_iv (FIEMAP_EXTENT_SHARED)
1303
1304 const_iv (SPLICE_F_MOVE)
1305 const_iv (SPLICE_F_NONBLOCK)
1306 const_iv (SPLICE_F_MORE)
1307 const_iv (SPLICE_F_GIFT)
1308
1309 const_iv (EFD_CLOEXEC)
1310 const_iv (EFD_NONBLOCK)
1311 const_iv (EFD_SEMAPHORE)
1312
1313 const_iv (MFD_CLOEXEC)
1314 const_iv (MFD_ALLOW_SEALING)
1315 const_iv (MFD_HUGETLB)
1316 const_iv (MFD_HUGETLB_2MB)
1317 const_iv (MFD_HUGETLB_1GB)
1318
1319 const_iv (CLOCK_REALTIME)
1320 const_iv (CLOCK_MONOTONIC)
1321 const_iv (CLOCK_BOOTTIME)
1322 const_iv (CLOCK_REALTIME_ALARM)
1323 const_iv (CLOCK_BOOTTIME_ALARM)
1324
1325 const_iv (TFD_NONBLOCK)
1326 const_iv (TFD_CLOEXEC)
1327
1328 const_iv (TFD_TIMER_ABSTIME)
1329 const_iv (TFD_TIMER_CANCEL_ON_SET)
1330
1331 const_iv (STATX_TYPE)
1332 const_iv (STATX_MODE)
1333 const_iv (STATX_NLINK)
1334 const_iv (STATX_UID)
1335 const_iv (STATX_GID)
1336 const_iv (STATX_ATIME)
1337 const_iv (STATX_MTIME)
1338 const_iv (STATX_CTIME)
1339 const_iv (STATX_INO)
1340 const_iv (STATX_SIZE)
1341 const_iv (STATX_BLOCKS)
1342 const_iv (STATX_BASIC_STATS)
1343 const_iv (STATX_ALL)
1344 const_iv (STATX_BTIME)
1345 const_iv (STATX_ATTR_COMPRESSED)
1346 const_iv (STATX_ATTR_IMMUTABLE)
1347 const_iv (STATX_ATTR_APPEND)
1348 const_iv (STATX_ATTR_NODUMP)
1349 const_iv (STATX_ATTR_ENCRYPTED)
1350 const_iv (STATX_ATTR_AUTOMOUNT)
1351
1352 const_iv (AT_FDCWD)
1353 const_iv (AT_SYMLINK_NOFOLLOW)
1354 const_iv (AT_EACCESS)
1355 const_iv (AT_REMOVEDIR)
1356 const_iv (AT_SYMLINK_FOLLOW)
1357 const_iv (AT_NO_AUTOMOUNT)
1358 const_iv (AT_EMPTY_PATH)
1359 const_iv (AT_STATX_SYNC_TYPE)
1360 const_iv (AT_STATX_AS_STAT)
1361 const_iv (AT_STATX_FORCE_SYNC)
1362 const_iv (AT_STATX_DONT_SYNC)
1363 const_iv (AT_RECURSIVE)
1364
1365 const_iv (OPEN_TREE_CLONE)
1366
1367 const_iv (FSOPEN_CLOEXEC)
1368
1369 const_iv (FSPICK_CLOEXEC)
1370 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1371 const_iv (FSPICK_NO_AUTOMOUNT)
1372 const_iv (FSPICK_EMPTY_PATH)
1373
1374 const_iv (MOVE_MOUNT_F_SYMLINKS)
1375 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1376 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1377 const_iv (MOVE_MOUNT_T_SYMLINKS)
1378 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1379 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1380
1381 /* waitid */
1382 const_iv (P_PID)
1383 const_iv (P_PIDFD)
1384 const_iv (P_PGID)
1385 const_iv (P_ALL)
1386
1387 const_iv (FSCONFIG_SET_FLAG)
1388 const_iv (FSCONFIG_SET_STRING)
1389 const_iv (FSCONFIG_SET_BINARY)
1390 const_iv (FSCONFIG_SET_PATH)
1391 const_iv (FSCONFIG_SET_PATH_EMPTY)
1392 const_iv (FSCONFIG_SET_FD)
1393 const_iv (FSCONFIG_CMD_CREATE)
1394 const_iv (FSCONFIG_CMD_RECONFIGURE)
1395
1396 const_iv (MOUNT_ATTR_RDONLY)
1397 const_iv (MOUNT_ATTR_NOSUID)
1398 const_iv (MOUNT_ATTR_NODEV)
1399 const_iv (MOUNT_ATTR_NOEXEC)
1400 const_iv (MOUNT_ATTR__ATIME)
1401 const_iv (MOUNT_ATTR_RELATIME)
1402 const_iv (MOUNT_ATTR_NOATIME)
1403 const_iv (MOUNT_ATTR_STRICTATIME)
1404 const_iv (MOUNT_ATTR_NODIRATIME)
1405
1406 /* these are libeio constants, and are independent of gendef0 */
1407 const_eio (SEEK_SET)
1408 const_eio (SEEK_CUR)
1409 const_eio (SEEK_END)
1410
1411 const_eio (MCL_FUTURE)
1412 const_eio (MCL_CURRENT)
1413 const_eio (MCL_ONFAULT)
1414
1415 const_eio (MS_ASYNC)
1416 const_eio (MS_INVALIDATE)
1417 const_eio (MS_SYNC)
1418
1419 const_eio (MT_MODIFY)
1420
1421 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1422 const_eio (SYNC_FILE_RANGE_WRITE)
1423 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1424
1425 const_eio (FALLOC_FL_KEEP_SIZE)
1426 const_eio (FALLOC_FL_PUNCH_HOLE)
1427 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1428 const_eio (FALLOC_FL_ZERO_RANGE)
1429 const_eio (FALLOC_FL_INSERT_RANGE)
1430 const_eio (FALLOC_FL_UNSHARE_RANGE)
1431
1432 const_eio (RENAME_NOREPLACE)
1433 const_eio (RENAME_EXCHANGE)
1434 const_eio (RENAME_WHITEOUT)
1435
1436 const_eio (READDIR_DENTS)
1437 const_eio (READDIR_DIRS_FIRST)
1438 const_eio (READDIR_STAT_ORDER)
1439 const_eio (READDIR_FOUND_UNKNOWN)
1440
1441 const_eio (DT_UNKNOWN)
1442 const_eio (DT_FIFO)
1443 const_eio (DT_CHR)
1444 const_eio (DT_DIR)
1445 const_eio (DT_BLK)
1446 const_eio (DT_REG)
1447 const_eio (DT_LNK)
1448 const_eio (DT_SOCK)
1449 const_eio (DT_WHT)
1450 };
1451
473 stash = gv_stashpv ("IO::AIO", 1); 1452 aio_stash = gv_stashpv ("IO::AIO" , 1);
1453 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1454 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1455 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
474 1456
475 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 1457 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
476 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1458 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
477 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 1459
478 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 1460 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
479 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 1461
1462 /* allocate dummy pipe fd for aio_close */
1463 {
1464 int pipefd [2];
1465
1466 if (
480#ifdef _WIN32 1467#ifdef _WIN32
481 X_MUTEX_CHECK (wrklock); 1468 _pipe (pipefd, 1, _O_BINARY) < 0
482 X_MUTEX_CHECK (reslock);
483 X_MUTEX_CHECK (reqlock);
484 X_MUTEX_CHECK (reqwait);
485 X_MUTEX_CHECK (preadwritelock);
486 X_MUTEX_CHECK (readdirlock);
487
488 X_COND_CHECK (reqwait);
489#else 1469#else
490 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 1470 pipe (pipefd) < 0
1471 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
491#endif 1472#endif
1473 || close (pipefd [1]) < 0
1474 )
1475 croak ("IO::AIO: unable to create dummy pipe for aio_close");
492 1476
493 create_respipe (); 1477 close_fd = pipefd [0];
1478 }
494 1479
495 if (eio_init (want_poll, done_poll) < 0) 1480 reinit ();
496 croak ("IO::AIO: unable to initialise eio library");
497
498 /* atfork child called in fifo order, so before eio's handler */
499 X_THREAD_ATFORK (0, 0, atfork_child);
500} 1481}
501 1482
502void 1483void
1484reinit ()
1485 PROTOTYPE:
1486
1487void
503max_poll_reqs (int nreqs) 1488max_poll_reqs (unsigned int nreqs)
504 PROTOTYPE: $ 1489 PROTOTYPE: $
505 CODE: 1490 CODE:
506 eio_set_max_poll_reqs (nreqs); 1491 eio_set_max_poll_reqs (nreqs);
507 1492
508void 1493void
… …
510 PROTOTYPE: $ 1495 PROTOTYPE: $
511 CODE: 1496 CODE:
512 eio_set_max_poll_time (nseconds); 1497 eio_set_max_poll_time (nseconds);
513 1498
514void 1499void
515min_parallel (int nthreads) 1500min_parallel (unsigned int nthreads)
516 PROTOTYPE: $ 1501 PROTOTYPE: $
517 CODE: 1502 CODE:
518 eio_set_min_parallel (nthreads); 1503 eio_set_min_parallel (nthreads);
519 1504
520void 1505void
521max_parallel (int nthreads) 1506max_parallel (unsigned int nthreads)
522 PROTOTYPE: $ 1507 PROTOTYPE: $
523 CODE: 1508 CODE:
524 eio_set_max_parallel (nthreads); 1509 eio_set_max_parallel (nthreads);
525 1510
526void 1511void
527max_idle (int nthreads) 1512max_idle (unsigned int nthreads)
528 PROTOTYPE: $ 1513 PROTOTYPE: $
529 CODE: 1514 CODE:
530 eio_set_max_idle (nthreads); 1515 eio_set_max_idle (nthreads);
531 1516
532void 1517void
1518idle_timeout (unsigned int seconds)
1519 PROTOTYPE: $
1520 CODE:
1521 eio_set_idle_timeout (seconds);
1522
1523void
533max_outstanding (int maxreqs) 1524max_outstanding (unsigned int maxreqs)
534 PROTOTYPE: $ 1525 PROTOTYPE: $
535 CODE: 1526 CODE:
536 max_outstanding = maxreqs; 1527 max_outstanding = maxreqs;
537 1528
538void 1529void
539aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1530aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
540 PROTOTYPE: $$$;$
541 PPCODE: 1531 PPCODE:
542{ 1532{
543 dREQ; 1533 dREQ;
544 1534
1535 req->type = EIO_WD_OPEN;
1536 req_set_path1 (req, pathname);
1537
1538 REQ_SEND;
1539}
1540
1541void
1542aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1543 PPCODE:
1544{
1545 dREQ;
1546
545 req->type = EIO_OPEN; 1547 req->type = EIO_OPEN;
546 req->sv1 = newSVsv (pathname); 1548 req_set_path1 (req, pathname);
547 req->ptr1 = SvPVbyte_nolen (req->sv1);
548 req->int1 = flags; 1549 req->int1 = flags;
549 req->int2 = mode; 1550 req->int2 = mode;
550 1551
551 REQ_SEND; 1552 REQ_SEND;
552} 1553}
553 1554
554void 1555void
555aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1556aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
556 PROTOTYPE: $;$
557 ALIAS: 1557 ALIAS:
558 aio_fsync = EIO_FSYNC 1558 aio_fsync = EIO_FSYNC
559 aio_fdatasync = EIO_FDATASYNC 1559 aio_fdatasync = EIO_FDATASYNC
1560 aio_syncfs = EIO_SYNCFS
560 PPCODE: 1561 PPCODE:
561{ 1562{
1563 int fd = s_fileno_croak (fh, 0);
562 dREQ; 1564 dREQ;
563 1565
564 req->type = ix; 1566 req->type = ix;
565 req->sv1 = newSVsv (fh); 1567 req->sv1 = newSVsv (fh);
566 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1568 req->int1 = fd;
567 1569
568 REQ_SEND (req); 1570 REQ_SEND;
569} 1571}
570 1572
571void 1573void
572aio_close (SV *fh, SV *callback=&PL_sv_undef) 1574aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
573 PROTOTYPE: $;$
574 PPCODE: 1575 PPCODE:
575{ 1576{
576 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1577 int fd = s_fileno_croak (fh, 0);
577 dREQ; 1578 dREQ;
578 1579
579 if (close_pipe < 0) 1580 req->type = EIO_SYNC_FILE_RANGE;
1581 req->sv1 = newSVsv (fh);
1582 req->int1 = fd;
1583 req->offs = offset;
1584 req->size = nbytes;
1585 req->int2 = flags;
1586
1587 REQ_SEND;
1588}
1589
1590void
1591aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1592 PPCODE:
1593{
1594 int fd = s_fileno_croak (fh, 0);
1595 dREQ;
1596
1597 req->type = EIO_FALLOCATE;
1598 req->sv1 = newSVsv (fh);
1599 req->int1 = fd;
1600 req->int2 = mode;
1601 req->offs = offset;
1602 req->size = len;
1603
1604 REQ_SEND;
1605}
1606
1607void
1608aio_close (SV *fh, SV *callback = &PL_sv_undef)
1609 PPCODE:
1610{
1611 int fd = s_fileno_croak (fh, 0);
1612 dREQ;
1613#if 0
1614 /* partially duplicate logic in s_fileno */
1615 SvGETMAGIC (fh);
1616
1617 if (SvROK (fh))
1618 {
1619 fh = SvRV (fh);
1620 SvGETMAGIC (fh);
1621 }
1622
1623 if (SvTYPE (fh) == SVt_PVGV)
580 { 1624 {
581 int pipefd [2]; 1625 /* perl filehandle */
1626 PerlIOUnix_refcnt_inc (fd);
1627 do_close ((GV *)fh, 1);
582 1628
583 if (pipe (pipefd) < 0 1629 req->type = EIO_CLOSE;
584 || close (pipefd [1]) < 0 1630 req->int1 = fd;
585 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1631 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
586 abort (); /*D*/
587
588 close_pipe = pipefd [0];
589 } 1632 }
590 1633 else
1634#endif
1635 {
1636 /* fd number */
591 req->type = EIO_DUP2; 1637 req->type = EIO_DUP2;
592 req->int1 = close_pipe; 1638 req->int1 = close_fd;
1639 req->sv2 = newSVsv (fh);
1640 req->int2 = fd;
1641 }
1642
1643 REQ_SEND;
1644}
1645
1646void
1647aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1648 PPCODE:
1649{
1650 int fd = s_fileno_croak (fh, 0);
1651 dREQ;
1652
1653 req->type = EIO_SEEK;
593 req->sv2 = newSVsv (fh); 1654 req->sv1 = newSVsv (fh);
594 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1655 req->int1 = fd;
1656 req->offs = SvVAL64 (offset);
1657 req->int2 = whence;
595 1658
596 REQ_SEND (req); 1659 REQ_SEND;
597} 1660}
598 1661
599void 1662void
600aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1663aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
601 ALIAS: 1664 ALIAS:
602 aio_read = EIO_READ 1665 aio_read = EIO_READ
603 aio_write = EIO_WRITE 1666 aio_write = EIO_WRITE
604 PROTOTYPE: $$$$$;$
605 PPCODE: 1667 PPCODE:
606{ 1668{
607 STRLEN svlen; 1669 STRLEN svlen;
1670 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
608 char *svptr = SvPVbyte (data, svlen); 1671 char *svptr = SvPVbyte (data, svlen);
609 UV len = SvUV (length); 1672 UV len = SvUV (length);
610
611 SvUPGRADE (data, SVt_PV);
612 SvPOK_on (data);
613 1673
614 if (dataoffset < 0) 1674 if (dataoffset < 0)
615 dataoffset += svlen; 1675 dataoffset += svlen;
616 1676
617 if (dataoffset < 0 || dataoffset > svlen) 1677 if (dataoffset < 0 || dataoffset > svlen)
… …
623 if (!SvOK (length) || len + dataoffset > svlen) 1683 if (!SvOK (length) || len + dataoffset > svlen)
624 len = svlen - dataoffset; 1684 len = svlen - dataoffset;
625 } 1685 }
626 else 1686 else
627 { 1687 {
628 /* read: grow scalar as necessary */ 1688 /* read: check type and grow scalar as necessary */
1689 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
629 svptr = SvGROW (data, len + dataoffset + 1); 1690 svptr = sv_grow (data, len + dataoffset + 1);
1691 else if (SvCUR (data) < len + dataoffset)
1692 croak ("length + dataoffset outside of scalar, and cannot grow");
630 } 1693 }
631
632 if (len < 0)
633 croak ("length must not be negative");
634 1694
635 { 1695 {
636 dREQ; 1696 dREQ;
637 1697
638 req->type = ix; 1698 req->type = ix;
639 req->sv1 = newSVsv (fh); 1699 req->sv1 = newSVsv (fh);
640 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 1700 req->int1 = fd;
641 : IoOFP (sv_2io (fh)));
642 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1701 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
643 req->size = len; 1702 req->size = len;
644 req->sv2 = SvREFCNT_inc (data); 1703 req->sv2 = SvREFCNT_inc (data);
645 req->ptr2 = (char *)svptr + dataoffset; 1704 req->ptr2 = (char *)svptr + dataoffset;
646 req->stroffset = dataoffset; 1705 req->stroffset = dataoffset;
… …
654 REQ_SEND; 1713 REQ_SEND;
655 } 1714 }
656} 1715}
657 1716
658void 1717void
659aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1718aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
660 PROTOTYPE: $$;$ 1719 ALIAS:
1720 aio_ioctl = EIO_IOCTL
1721 aio_fcntl = EIO_FCNTL
661 PPCODE: 1722 PPCODE:
662{ 1723{
663 SV *data; 1724 int fd = s_fileno_croak (fh, 0);
1725 char *svptr;
1726
1727 if (SvPOK (arg) || !SvNIOK (arg))
1728 {
1729 STRLEN svlen;
1730 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1731#ifdef IOCPARM_LEN
1732 STRLEN need = IOCPARM_LEN (request);
1733#else
1734 STRLEN need = 256;
1735#endif
1736
1737 if (svlen < need)
1738 svptr = SvGROW (arg, need);
1739 }
1740 else
1741 svptr = (char *)SvIV (arg);
1742
1743 {
1744 dREQ;
1745
1746 req->type = ix;
1747 req->sv1 = newSVsv (fh);
1748 req->int1 = fd;
1749 req->int2 = (long)request;
1750 req->sv2 = SvREFCNT_inc (arg);
1751 req->ptr2 = svptr;
1752
1753 REQ_SEND;
1754 }
1755}
1756
1757void
1758aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1759 ALIAS:
1760 aio_readlink = EIO_READLINK
1761 aio_realpath = EIO_REALPATH
1762 PPCODE:
1763{
664 dREQ; 1764 dREQ;
665 1765
666 data = newSV (NAME_MAX);
667 SvPOK_on (data);
668
669 req->type = EIO_READLINK; 1766 req->type = ix;
670 req->sv1 = newSVsv (path); 1767 req_set_path1 (req, pathname);
671 req->ptr1 = SvPVbyte_nolen (req->sv1);
672 req->sv2 = data;
673 req->ptr2 = SvPVbyte_nolen (data);
674 1768
675 REQ_SEND; 1769 REQ_SEND;
676} 1770}
677 1771
678void 1772void
679aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1773aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
680 PROTOTYPE: $$$$;$
681 PPCODE: 1774 PPCODE:
682{ 1775{
1776 int ifd = s_fileno_croak (in_fh , 0);
1777 int ofd = s_fileno_croak (out_fh, 1);
683 dREQ; 1778 dREQ;
684 1779
685 req->type = EIO_SENDFILE; 1780 req->type = EIO_SENDFILE;
686 req->sv1 = newSVsv (out_fh); 1781 req->sv1 = newSVsv (out_fh);
687 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1782 req->int1 = ofd;
688 req->sv2 = newSVsv (in_fh); 1783 req->sv2 = newSVsv (in_fh);
689 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1784 req->int2 = ifd;
690 req->offs = SvVAL64 (in_offset); 1785 req->offs = in_offset;
691 req->size = length; 1786 req->size = length;
692 1787
693 REQ_SEND; 1788 REQ_SEND;
694} 1789}
695 1790
696void 1791void
697aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1792aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
698 PROTOTYPE: $$$;$
699 PPCODE: 1793 PPCODE:
700{ 1794{
1795 int fd = s_fileno_croak (fh, 0);
701 dREQ; 1796 dREQ;
702 1797
703 req->type = EIO_READAHEAD; 1798 req->type = EIO_READAHEAD;
704 req->sv1 = newSVsv (fh); 1799 req->sv1 = newSVsv (fh);
705 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1800 req->int1 = fd;
706 req->offs = SvVAL64 (offset); 1801 req->offs = offset;
707 req->size = length; 1802 req->size = length;
708 1803
709 REQ_SEND; 1804 REQ_SEND;
710} 1805}
711 1806
712void 1807void
713aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1808aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
714 ALIAS: 1809 ALIAS:
715 aio_stat = EIO_STAT 1810 aio_stat = EIO_STAT
716 aio_lstat = EIO_LSTAT 1811 aio_lstat = EIO_LSTAT
1812 aio_statvfs = EIO_STATVFS
717 PPCODE: 1813 PPCODE:
718{ 1814{
719 dREQ; 1815 dREQ;
720 1816
721 req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); 1817 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
722 if (!req->ptr2)
723 {
724 req_destroy (req);
725 croak ("out of memory during aio_stat statdata allocation");
726 }
727
728 req->flags |= EIO_FLAG_PTR2_FREE;
729 req->sv1 = newSVsv (fh_or_path);
730
731 if (SvPOK (fh_or_path))
732 {
733 req->type = ix;
734 req->ptr1 = SvPVbyte_nolen (req->sv1);
735 }
736 else
737 {
738 req->type = EIO_FSTAT;
739 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
740 }
741 1818
742 REQ_SEND; 1819 REQ_SEND;
743} 1820}
744 1821
745void 1822void
1823st_xtime ()
1824 ALIAS:
1825 st_atime = 0x01
1826 st_mtime = 0x02
1827 st_ctime = 0x04
1828 st_btime = 0x08
1829 st_xtime = 0x0f
1830 PPCODE:
1831 EXTEND (SP, 4);
1832 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1833 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1834 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1835 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1836
1837void
1838st_xtimensec ()
1839 ALIAS:
1840 st_atimensec = 0x01
1841 st_mtimensec = 0x02
1842 st_ctimensec = 0x04
1843 st_btimensec = 0x08
1844 st_xtimensec = 0x0f
1845 st_btimesec = 0x10
1846 st_gen = 0x20
1847 PPCODE:
1848 EXTEND (SP, 4);
1849 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1850 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1851 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1852 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1853 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1854 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1855
1856UV
1857major (UV dev)
1858 ALIAS:
1859 minor = 1
1860 CODE:
1861 RETVAL = ix ? minor (dev) : major (dev);
1862 OUTPUT:
1863 RETVAL
1864
1865UV
1866makedev (UV maj, UV min)
1867 CODE:
1868 RETVAL = makedev (maj, min);
1869 OUTPUT:
1870 RETVAL
1871
1872void
746aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1873aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
747 PPCODE: 1874 PPCODE:
748{ 1875{
749 dREQ; 1876 dREQ;
750 1877
751 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1878 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
752 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1879 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
753 req->sv1 = newSVsv (fh_or_path); 1880 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
754
755 if (SvPOK (fh_or_path))
756 {
757 req->type = EIO_UTIME;
758 req->ptr1 = SvPVbyte_nolen (req->sv1);
759 }
760 else
761 {
762 req->type = EIO_FUTIME;
763 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
764 }
765 1881
766 REQ_SEND; 1882 REQ_SEND;
767} 1883}
768 1884
769void 1885void
770aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1886aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
771 PPCODE: 1887 PPCODE:
772{ 1888{
773 dREQ; 1889 dREQ;
774 1890
775 req->sv1 = newSVsv (fh_or_path);
776 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1891 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
777 1892 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
778 if (SvPOK (fh_or_path))
779 {
780 req->type = EIO_TRUNCATE;
781 req->ptr1 = SvPVbyte_nolen (req->sv1);
782 }
783 else
784 {
785 req->type = EIO_FTRUNCATE;
786 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
787 }
788 1893
789 REQ_SEND; 1894 REQ_SEND;
790} 1895}
791 1896
792void 1897void
793aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1898aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
794 ALIAS:
795 aio_chmod = EIO_CHMOD
796 aio_fchmod = EIO_FCHMOD
797 aio_mkdir = EIO_MKDIR
798 PPCODE: 1899 PPCODE:
799{ 1900{
800 dREQ; 1901 dREQ;
801 1902
802 req->type = ix;
803 req->int2 = mode; 1903 req->int2 = mode;
804 req->sv1 = newSVsv (fh_or_path); 1904 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
805
806 if (ix == EIO_FCHMOD)
807 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
808 else
809 req->ptr1 = SvPVbyte_nolen (req->sv1);
810 1905
811 REQ_SEND; 1906 REQ_SEND;
812} 1907}
813 1908
814void 1909void
815aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1910aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
816 PPCODE: 1911 PPCODE:
817{ 1912{
818 dREQ; 1913 dREQ;
819 1914
820 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1915 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
821 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1916 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
822 req->sv1 = newSVsv (fh_or_path); 1917 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
823
824 if (SvPOK (fh_or_path))
825 {
826 req->type = EIO_CHOWN;
827 req->ptr1 = SvPVbyte_nolen (req->sv1);
828 }
829 else
830 {
831 req->type = EIO_FCHOWN;
832 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
833 }
834 1918
835 REQ_SEND; 1919 REQ_SEND;
836} 1920}
837 1921
838void 1922void
1923aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1924 PPCODE:
1925{
1926 dREQ;
1927
1928 req->type = EIO_READDIR;
1929 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1930
1931 if (flags & EIO_READDIR_DENTS)
1932 req->int1 |= EIO_READDIR_CUSTOM2;
1933
1934 req_set_path1 (req, pathname);
1935
1936 REQ_SEND;
1937}
1938
1939void
1940aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1941 PPCODE:
1942{
1943 dREQ;
1944
1945 req->type = EIO_MKDIR;
1946 req->int2 = mode;
1947 req_set_path1 (req, pathname);
1948
1949 REQ_SEND;
1950}
1951
1952void
839aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1953aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
840 ALIAS: 1954 ALIAS:
841 aio_unlink = EIO_UNLINK 1955 aio_unlink = EIO_UNLINK
842 aio_rmdir = EIO_RMDIR 1956 aio_rmdir = EIO_RMDIR
843 aio_readdir = EIO_READDIR 1957 aio_readdir = EIO_READDIR
844 PPCODE: 1958 PPCODE:
845{ 1959{
846 dREQ; 1960 dREQ;
847 1961
848 req->type = ix; 1962 req->type = ix;
849 req->sv1 = newSVsv (pathname); 1963 req_set_path1 (req, pathname);
850 req->ptr1 = SvPVbyte_nolen (req->sv1);
851 1964
852 REQ_SEND; 1965 REQ_SEND;
853} 1966}
854 1967
855void 1968void
856aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1969aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
857 ALIAS: 1970 ALIAS:
858 aio_link = EIO_LINK 1971 aio_link = EIO_LINK
859 aio_symlink = EIO_SYMLINK 1972 aio_symlink = EIO_SYMLINK
860 aio_rename = EIO_RENAME 1973 aio_rename = EIO_RENAME
861 PPCODE: 1974 PPCODE:
862{ 1975{
1976 eio_wd wd2 = 0;
863 dREQ; 1977 dREQ;
864 1978
865 req->type = ix; 1979 req->type = ix;
866 req->sv1 = newSVsv (oldpath); 1980 req_set_path1 (req, oldpath);
867 req->ptr1 = SvPVbyte_nolen (req->sv1); 1981 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
868 req->sv2 = newSVsv (newpath); 1982 req->int3 = (long)wd2;
869 req->ptr2 = SvPVbyte_nolen (req->sv2);
870 1983
871 REQ_SEND; 1984 REQ_SEND;
872} 1985}
873 1986
874void 1987void
1988aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1989 PPCODE:
1990{
1991 eio_wd wd2 = 0;
1992 dREQ;
1993
1994 req->type = EIO_RENAME;
1995 req_set_path1 (req, oldpath);
1996 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1997 req->int2 = flags;
1998 req->int3 = (long)wd2;
1999
2000 REQ_SEND;
2001}
2002
2003void
875aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2004aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
876 PPCODE: 2005 PPCODE:
877{ 2006{
878 dREQ; 2007 dREQ;
879 2008
880 req->type = EIO_MKNOD; 2009 req->type = EIO_MKNOD;
881 req->sv1 = newSVsv (pathname);
882 req->ptr1 = SvPVbyte_nolen (req->sv1);
883 req->int2 = (mode_t)mode; 2010 req->int2 = (mode_t)mode;
884 req->offs = dev; 2011 req->offs = dev;
2012 req_set_path1 (req, pathname);
885 2013
886 REQ_SEND; 2014 REQ_SEND;
887} 2015}
888 2016
889void 2017void
2018aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
2019 ALIAS:
2020 aio_mtouch = EIO_MTOUCH
2021 aio_msync = EIO_MSYNC
2022 PPCODE:
2023{
2024 STRLEN svlen;
2025 char *svptr = SvPVbyte (data, svlen);
2026 UV len = SvUV (length);
2027
2028 if (flags < 0)
2029 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
2030
2031 if (offset < 0)
2032 offset += svlen;
2033
2034 if (offset < 0 || offset > svlen)
2035 croak ("offset outside of scalar");
2036
2037 if (!SvOK (length) || len + offset > svlen)
2038 len = svlen - offset;
2039
2040 {
2041 dREQ;
2042
2043 req->type = ix;
2044 req->sv2 = SvREFCNT_inc (data);
2045 req->ptr2 = (char *)svptr + offset;
2046 req->size = len;
2047 req->int1 = flags;
2048
2049 REQ_SEND;
2050 }
2051}
2052
2053void
2054aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2055 PPCODE:
2056{
2057 STRLEN svlen;
2058 char *svptr = SvPVbyte (data, svlen);
2059 UV len = SvUV (length);
2060
2061 if (offset < 0)
2062 offset += svlen;
2063
2064 if (offset < 0 || offset > svlen)
2065 croak ("offset outside of scalar");
2066
2067 if (!SvOK (length) || len + offset > svlen)
2068 len = svlen - offset;
2069
2070 {
2071 dREQ;
2072
2073 req->type = EIO_MLOCK;
2074 req->sv2 = SvREFCNT_inc (data);
2075 req->ptr2 = (char *)svptr + offset;
2076 req->size = len;
2077
2078 REQ_SEND;
2079 }
2080}
2081
2082void
2083aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2084 PPCODE:
2085{
2086 dREQ;
2087
2088 req->type = EIO_MLOCKALL;
2089 req->int1 = flags;
2090
2091 REQ_SEND;
2092}
2093
2094void
2095aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2096 PPCODE:
2097{
2098 int fd = s_fileno_croak (fh, 0);
2099 dREQ;
2100
2101 req->type = EIO_CUSTOM;
2102 req->sv1 = newSVsv (fh);
2103 req->int1 = fd;
2104
2105 req->feed = fiemap;
2106#if HAVE_FIEMAP
2107 /* keep our fingers crossed that the next two types are 64 bit */
2108 req->offs = start;
2109 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2110 req->int2 = flags;
2111 req->int3 = SvOK (count) ? SvIV (count) : -1;
2112#endif
2113
2114 REQ_SEND;
2115}
2116
2117void
2118aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2119 PPCODE:
2120{
2121 char *svptr = 0;
2122
2123 sv_clear_foreign (data);
2124
2125 if (length) /* known length, directly read into scalar */
2126 {
2127 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2128 svptr = sv_grow (data, length + 1);
2129 else if (SvCUR (data) < length)
2130 croak ("length outside of scalar, and cannot grow");
2131 else
2132 svptr = SvPVbyte_nolen (data);
2133 }
2134
2135 {
2136 dREQ;
2137
2138 req->type = EIO_SLURP;
2139 req_set_path1 (req, pathname);
2140 req->offs = offset;
2141 req->size = length;
2142 req->sv2 = SvREFCNT_inc (data);
2143 req->ptr2 = svptr;
2144
2145 if (!SvREADONLY (data))
2146 {
2147 SvREADONLY_on (data);
2148 req->flags |= FLAG_SV2_RO_OFF;
2149 }
2150
2151 REQ_SEND;
2152 }
2153}
2154
2155void
890aio_busy (double delay, SV *callback=&PL_sv_undef) 2156aio_busy (double delay, SV *callback = &PL_sv_undef)
891 PPCODE: 2157 PPCODE:
892{ 2158{
893 dREQ; 2159 dREQ;
894 2160
895 req->type = EIO_BUSY; 2161 req->type = EIO_BUSY;
… …
897 2163
898 REQ_SEND; 2164 REQ_SEND;
899} 2165}
900 2166
901void 2167void
902aio_group (SV *callback=&PL_sv_undef) 2168aio_group (SV *callback = &PL_sv_undef)
903 PROTOTYPE: ;$
904 PPCODE: 2169 PPCODE:
905{ 2170{
906 dREQ; 2171 dREQ;
907 2172
908 req->type = EIO_GROUP; 2173 req->type = EIO_GROUP;
909 2174
2175 PUTBACK;
910 eio_submit (req); 2176 req_submit (req);
2177 SPAGAIN;
2178
911 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2179 XPUSHs (req_sv (req, aio_grp_stash));
912} 2180}
913 2181
914void 2182void
915aio_nop (SV *callback=&PL_sv_undef) 2183aio_nop (SV *callback = &PL_sv_undef)
916 ALIAS: 2184 ALIAS:
917 aio_nop = EIO_NOP 2185 aio_nop = EIO_NOP
918 aio_sync = EIO_SYNC 2186 aio_sync = EIO_SYNC
919 PPCODE: 2187 PPCODE:
920{ 2188{
… …
924 2192
925 REQ_SEND; 2193 REQ_SEND;
926} 2194}
927 2195
928int 2196int
929aioreq_pri (int pri = 0) 2197aioreq_pri (int pri = NO_INIT)
930 PROTOTYPE: ;$
931 CODE: 2198 CODE:
932 RETVAL = next_pri - EIO_PRI_BIAS; 2199 RETVAL = next_pri;
933 if (items > 0) 2200 if (items > 0)
934 { 2201 {
935 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2202 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
936 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; 2203 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
937 next_pri = pri + EIO_PRI_BIAS; 2204 next_pri = pri;
938 } 2205 }
939 OUTPUT: 2206 OUTPUT:
940 RETVAL 2207 RETVAL
941 2208
942void 2209void
943aioreq_nice (int nice = 0) 2210aioreq_nice (int nice = 0)
944 CODE: 2211 CODE:
945 nice = next_pri - nice; 2212 nice = next_pri - nice;
946 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; 2213 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
947 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2214 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
948 next_pri = nice + EIO_PRI_BIAS; 2215 next_pri = nice;
949 2216
950void 2217void
951flush () 2218flush ()
952 PROTOTYPE:
953 CODE: 2219 CODE:
954 while (eio_nreqs ()) 2220 while (eio_nreqs ())
955 { 2221 {
956 poll_wait (); 2222 poll_wait ();
957 poll_cb (); 2223 poll_cb ();
958 } 2224 }
959 2225
960int 2226int
961poll() 2227poll ()
962 PROTOTYPE:
963 CODE: 2228 CODE:
964 poll_wait (); 2229 poll_wait ();
965 RETVAL = poll_cb (); 2230 RETVAL = poll_cb ();
966 OUTPUT: 2231 OUTPUT:
967 RETVAL 2232 RETVAL
968 2233
969int 2234int
970poll_fileno() 2235poll_fileno ()
971 PROTOTYPE:
972 CODE: 2236 CODE:
973 RETVAL = respipe [0]; 2237 RETVAL = s_epipe_fd (&respipe);
974 OUTPUT: 2238 OUTPUT:
975 RETVAL 2239 RETVAL
976 2240
977int 2241int
978poll_cb(...) 2242poll_cb (...)
979 PROTOTYPE: 2243 PROTOTYPE:
980 CODE: 2244 CODE:
981 RETVAL = poll_cb (); 2245 RETVAL = poll_cb ();
982 OUTPUT: 2246 OUTPUT:
983 RETVAL 2247 RETVAL
984 2248
985void 2249void
986poll_wait() 2250poll_wait ()
987 PROTOTYPE:
988 CODE: 2251 CODE:
989 poll_wait (); 2252 poll_wait ();
990 2253
991int 2254int
992nreqs() 2255nreqs ()
993 PROTOTYPE:
994 CODE: 2256 CODE:
995 RETVAL = eio_nreqs (); 2257 RETVAL = eio_nreqs ();
996 OUTPUT: 2258 OUTPUT:
997 RETVAL 2259 RETVAL
998 2260
999int 2261int
1000nready() 2262nready ()
1001 PROTOTYPE:
1002 CODE: 2263 CODE:
1003 RETVAL = eio_nready (); 2264 RETVAL = eio_nready ();
1004 OUTPUT: 2265 OUTPUT:
1005 RETVAL 2266 RETVAL
1006 2267
1007int 2268int
1008npending() 2269npending ()
1009 PROTOTYPE:
1010 CODE: 2270 CODE:
1011 RETVAL = eio_npending (); 2271 RETVAL = eio_npending ();
1012 OUTPUT: 2272 OUTPUT:
1013 RETVAL 2273 RETVAL
1014 2274
1015int 2275int
1016nthreads() 2276nthreads ()
2277 CODE:
2278 RETVAL = eio_nthreads ();
2279 OUTPUT:
2280 RETVAL
2281
2282int
2283fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
2284 CODE:
2285 RETVAL = posix_fadvise (fh, offset, length, advice);
2286 OUTPUT:
2287 RETVAL
2288
2289IV
2290sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2291 CODE:
2292 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2293 OUTPUT:
2294 RETVAL
2295
2296void
2297mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2298 PPCODE:
2299 sv_clear_foreign (scalar);
2300{
2301 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2302 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2303 if (addr == (void *)-1)
2304 XSRETURN_NO;
2305
2306 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2307
2308 if (!(prot & PROT_WRITE))
2309 SvREADONLY_on (scalar);
2310
2311 XSRETURN_YES;
2312}
2313
2314void
2315munmap (SV *scalar)
2316 CODE:
2317 sv_clear_foreign (scalar);
2318
2319SV *
2320mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2321 CODE:
2322{
2323 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2324 void *new;
2325
2326 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2327 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2328
2329 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2330
2331 RETVAL = &PL_sv_no;
2332
2333 if (new != (void *)-1)
2334 {
2335 RETVAL = new == (void *)mg->mg_ptr
2336 ? newSVpvn ("0 but true", 10)
2337 : &PL_sv_yes;
2338
2339 mg->mg_ptr = (char *)new;
2340 mg->mg_obj = (SV *)new_length;
2341
2342 SvPVX (scalar) = mg->mg_ptr;
2343 SvCUR_set (scalar, new_length);
2344 }
2345}
2346 OUTPUT:
2347 RETVAL
2348
2349int
2350madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2351 ALIAS:
2352 mprotect = 1
2353 CODE:
2354{
2355 STRLEN svlen;
2356 void *addr = SvPVbyte (scalar, svlen);
2357 STRLEN len = SvUV (length);
2358
2359 if (offset < 0)
2360 offset += svlen;
2361
2362 if (offset < 0 || offset > svlen)
2363 croak ("offset outside of scalar");
2364
2365 if (!SvOK (length) || len + offset > svlen)
2366 len = svlen - offset;
2367
2368 addr = (void *)(((intptr_t)addr) + offset);
2369 eio_page_align (&addr, &len);
2370
2371 switch (ix)
2372 {
2373 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2374 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2375 }
2376}
2377 OUTPUT:
2378 RETVAL
2379
2380int
2381munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2382 CODE:
2383{
2384 STRLEN svlen;
2385 void *addr = SvPVbyte (scalar, svlen);
2386 size_t len = SvUV (length);
2387
2388 if (offset < 0)
2389 offset += svlen;
2390
2391 if (offset < 0 || offset > svlen)
2392 croak ("offset outside of scalar");
2393
2394 if (!SvOK (length) || len + offset > svlen)
2395 len = svlen - offset;
2396
2397 addr = (void *)(((intptr_t)addr) + offset);
2398 eio_page_align (&addr, &len);
2399#if _POSIX_MEMLOCK_RANGE
2400 RETVAL = munlock (addr, len);
2401#else
2402 RETVAL = EIO_ENOSYS ();
2403#endif
2404}
2405 OUTPUT:
2406 RETVAL
2407
2408int
2409mlockall (int flags)
2410 PROTOTYPE: $;
2411 CODE:
2412 RETVAL = eio_mlockall_sync (flags);
2413 OUTPUT:
2414 RETVAL
2415
2416int
2417munlockall ()
2418 CODE:
2419#if _POSIX_MEMLOCK
2420 munlockall ();
2421#else
2422 RETVAL = EIO_ENOSYS ();
2423#endif
2424 OUTPUT:
2425 RETVAL
2426
2427int
2428statx (SV8 *pathname, int flags, UV mask)
2429 CODE:
2430{
2431 /* undocumented, and might go away, and anyway, should use eio_statx */
2432 SV *wdsv = 0;
2433 SV *pathsv = 0;
2434 eio_wd wd = EIO_CWD;
2435 void *ptr;
2436 int res;
2437
2438 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2439 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2440
2441 SvREFCNT_dec (pathsv);
2442 SvREFCNT_dec (wdsv);
2443}
2444 OUTPUT:
2445 RETVAL
2446
2447U32
2448stx_mode ()
1017 PROTOTYPE: 2449 PROTOTYPE:
1018 CODE: 2450 CODE:
1019 if (WORDACCESS_UNSAFE) X_LOCK (wrklock); 2451#if HAVE_STATX
1020 RETVAL = started; 2452 RETVAL = stx.stx_mode;
1021 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); 2453#else
2454 XSRETURN_UNDEF;
2455#endif
1022 OUTPUT: 2456 OUTPUT:
1023 RETVAL 2457 RETVAL
2458
2459#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2460#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2461#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2462#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2463#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2464#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2465#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2466#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2467#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2468#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2469#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2470#define STATX_OFFSET_size statx_offsetof (stx_size)
2471#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2472#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2473#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2474#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2475#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2476#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2477
2478U32
2479stx_mask ()
2480 PROTOTYPE:
2481 ALIAS:
2482 stx_mask = STATX_OFFSET_mask
2483 stx_blksize = STATX_OFFSET_blksize
2484 stx_nlink = STATX_OFFSET_nlink
2485 stx_uid = STATX_OFFSET_uid
2486 stx_gid = STATX_OFFSET_gid
2487 stx_rdev_major = STATX_OFFSET_rdev_major
2488 stx_rdev_minor = STATX_OFFSET_rdev_minor
2489 stx_dev_major = STATX_OFFSET_dev_major
2490 stx_dev_minor = STATX_OFFSET_dev_minor
2491 CODE:
2492#if HAVE_STATX
2493 RETVAL = *(__u32 *)((char *)&stx + ix);
2494#else
2495 XSRETURN_UNDEF;
2496#endif
2497 OUTPUT:
2498 RETVAL
2499
2500VAL64
2501stx_attributes ()
2502 PROTOTYPE:
2503 ALIAS:
2504 stx_attributes = STATX_OFFSET_attributes
2505 stx_ino = STATX_OFFSET_ino
2506 stx_size = STATX_OFFSET_size
2507 stx_blocks = STATX_OFFSET_blocks
2508 stx_attributes_mask = STATX_OFFSET_attributes_mask
2509 CODE:
2510#if HAVE_STATX
2511 RETVAL = *(__u64 *)((char *)&stx + ix);
2512#else
2513 XSRETURN_UNDEF;
2514#endif
2515 OUTPUT:
2516 RETVAL
2517
2518NV
2519stx_atime ()
2520 PROTOTYPE:
2521 ALIAS:
2522 stx_atime = STATX_OFFSET_atime
2523 stx_btime = STATX_OFFSET_btime
2524 stx_ctime = STATX_OFFSET_ctime
2525 stx_mtime = STATX_OFFSET_mtime
2526 CODE:
2527#if HAVE_STATX
2528 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2529 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2530#else
2531 XSRETURN_UNDEF;
2532#endif
2533 OUTPUT:
2534 RETVAL
2535
2536VAL64
2537stx_atimesec ()
2538 PROTOTYPE:
2539 ALIAS:
2540 stx_atimesec = STATX_OFFSET_atime
2541 stx_btimesec = STATX_OFFSET_btime
2542 stx_ctimesec = STATX_OFFSET_ctime
2543 stx_mtimesec = STATX_OFFSET_mtime
2544 CODE:
2545#if HAVE_STATX
2546 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2547 RETVAL = ts->tv_sec;
2548#else
2549 XSRETURN_UNDEF;
2550#endif
2551 OUTPUT:
2552 RETVAL
2553
2554U32
2555stx_atimensec ()
2556 PROTOTYPE:
2557 ALIAS:
2558 stx_atimensec = STATX_OFFSET_atime
2559 stx_btimensec = STATX_OFFSET_btime
2560 stx_ctimensec = STATX_OFFSET_ctime
2561 stx_mtimensec = STATX_OFFSET_mtime
2562 CODE:
2563#if HAVE_STATX
2564 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2565 RETVAL = ts->tv_nsec;
2566#else
2567 RETVAL = 0;
2568#endif
2569 OUTPUT:
2570 RETVAL
2571
2572void
2573accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2574 PPCODE:
2575{
2576 SV *retval;
2577#if HAVE_ACCEPT4
2578 socklen_t salen_ = salen ? salen + 1 : 0;
2579
2580 if (salen)
2581 {
2582 sv_upgrade (sockaddr, SVt_PV);
2583 sv_grow (sockaddr, salen_);
2584 }
2585
2586 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2587
2588 retval = newmortalFH (res, O_RDWR);
2589
2590 if (res >= 0 && salen > 0)
2591 {
2592 if (salen_ > salen + 1)
2593 salen_ = salen + 1;
2594
2595 SvPOK_only (sockaddr);
2596 SvCUR_set (sockaddr, salen_);
2597 }
2598#else
2599 errno = ENOSYS;
2600 retval = &PL_sv_undef;
2601#endif
2602 XPUSHs (retval);
2603}
2604
2605ssize_t
2606splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2607 CODE:
2608{
2609#if HAVE_LINUX_SPLICE
2610 loff_t off_in_, off_out_;
2611 RETVAL = splice (
2612 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2613 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2614 length, flags
2615 );
2616#else
2617 RETVAL = EIO_ENOSYS ();
2618#endif
2619}
2620 OUTPUT:
2621 RETVAL
2622
2623ssize_t
2624tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2625 CODE:
2626#if HAVE_LINUX_SPLICE
2627 RETVAL = tee (rfh, wfh, length, flags);
2628#else
2629 RETVAL = EIO_ENOSYS ();
2630#endif
2631 OUTPUT:
2632 RETVAL
2633
2634int
2635pipesize (aio_rfd rfh, int new_size = -1)
2636 PROTOTYPE: $;$
2637 CODE:
2638#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2639 if (new_size >= 0)
2640 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2641 else
2642 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2643#else
2644 errno = ENOSYS;
2645 RETVAL = -1;
2646#endif
2647 OUTPUT:
2648 RETVAL
2649
2650void
2651pipe2 (int flags = 0)
2652 PROTOTYPE: ;$
2653 PPCODE:
2654{
2655 int fd[2];
2656 int res;
2657
2658 if (flags)
2659#if HAVE_PIPE2
2660 res = pipe2 (fd, flags);
2661#else
2662 res = (errno = ENOSYS, -1);
2663#endif
2664 else
2665 res = pipe (fd);
2666
2667 if (!res)
2668 {
2669 EXTEND (SP, 2);
2670 PUSHs (newmortalFH (fd[0], O_RDONLY));
2671 PUSHs (newmortalFH (fd[1], O_WRONLY));
2672 }
2673}
2674
2675void
2676pidfd_open (int pid, unsigned int flags = 0)
2677 PPCODE:
2678{
2679 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2680 int fd = syscall (SYS_pidfd_open, pid, flags);
2681 XPUSHs (newmortalFH (fd, O_RDWR));
2682}
2683
2684int
2685pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2686 PPCODE:
2687{
2688 int res;
2689#if HAVE_SIGINFO_T
2690 siginfo_t si = { 0 };
2691
2692 if (SvOK (siginfo))
2693 {
2694 HV *hv;
2695 SV **svp;
2696
2697 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2698 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2699
2700 hv = (HV *)SvRV (siginfo);
2701
2702 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2703 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2704 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2705 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2706 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2707 }
2708
2709 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2710 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2711#else
2712 res = (errno = ENOSYS, -1);
2713#endif
2714
2715 XPUSHs (sv_2mortal (newSViv (res)));
2716}
2717
2718void
2719pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2720 PPCODE:
2721{
2722 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2723 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2724 XPUSHs (newmortalFH (fd, O_RDWR));
2725}
2726
2727void
2728eventfd (unsigned int initval = 0, int flags = 0)
2729 PPCODE:
2730{
2731 int fd;
2732#if HAVE_EVENTFD
2733 fd = eventfd (initval, flags);
2734#else
2735 fd = (errno = ENOSYS, -1);
2736#endif
2737
2738 XPUSHs (newmortalFH (fd, O_RDWR));
2739}
2740
2741void
2742timerfd_create (int clockid, int flags = 0)
2743 PPCODE:
2744{
2745 int fd;
2746#if HAVE_TIMERFD
2747 fd = timerfd_create (clockid, flags);
2748#else
2749 fd = (errno = ENOSYS, -1);
2750#endif
2751
2752 XPUSHs (newmortalFH (fd, O_RDWR));
2753}
2754
2755void
2756timerfd_settime (SV *fh, int flags, NV interval, NV value)
2757 PPCODE:
2758{
2759 int fd = s_fileno_croak (fh, 0);
2760#if HAVE_TIMERFD
2761 int res;
2762 struct itimerspec its, ots;
2763
2764 ts_set (&its.it_interval, interval);
2765 ts_set (&its.it_value , value);
2766 res = timerfd_settime (fd, flags, &its, &ots);
2767
2768 if (!res)
2769 {
2770 EXTEND (SP, 2);
2771 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2772 PUSHs (newSVnv (ts_get (&ots.it_value)));
2773 }
2774#else
2775 errno = ENOSYS;
2776#endif
2777}
2778
2779void
2780timerfd_gettime (SV *fh)
2781 PPCODE:
2782{
2783 int fd = s_fileno_croak (fh, 0);
2784#if HAVE_TIMERFD
2785 int res;
2786 struct itimerspec ots;
2787 res = timerfd_gettime (fd, &ots);
2788
2789 if (!res)
2790 {
2791 EXTEND (SP, 2);
2792 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2793 PUSHs (newSVnv (ts_get (&ots.it_value)));
2794 }
2795#else
2796 errno = ENOSYS;
2797#endif
2798}
2799
2800void
2801memfd_create (SV8 *pathname, int flags = 0)
2802 PPCODE:
2803{
2804 int fd;
2805#if HAVE_MEMFD_CREATE
2806 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2807#else
2808 fd = (errno = ENOSYS, -1);
2809#endif
2810
2811 XPUSHs (newmortalFH (fd, O_RDWR));
2812}
2813
2814UV
2815get_fdlimit ()
2816 CODE:
2817#if HAVE_RLIMITS
2818 struct rlimit rl;
2819 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2820 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2821#endif
2822 XSRETURN_UNDEF;
2823 OUTPUT:
2824 RETVAL
2825
2826void
2827min_fdlimit (UV limit = 0x7fffffffU)
2828 CODE:
2829{
2830#if HAVE_RLIMITS
2831 struct rlimit rl;
2832 rlim_t orig_rlim_max;
2833 UV bit;
2834
2835 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2836 goto fail;
2837
2838 if (rl.rlim_cur == RLIM_INFINITY)
2839 XSRETURN_YES;
2840
2841 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2842
2843 if (rl.rlim_cur < limit)
2844 {
2845 rl.rlim_cur = limit;
2846
2847 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2848 rl.rlim_max = rl.rlim_cur;
2849 }
2850
2851 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2852 XSRETURN_YES;
2853
2854 if (errno == EPERM)
2855 {
2856 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2857 /* our limit overflows a system-wide limit */
2858 /* try an adaptive algorithm, but do not lower the hardlimit */
2859 rl.rlim_max = 0;
2860 for (bit = 0x40000000U; bit; bit >>= 1)
2861 {
2862 rl.rlim_max |= bit;
2863 rl.rlim_cur = rl.rlim_max;
2864
2865 /* never decrease the hard limit */
2866 if (rl.rlim_max < orig_rlim_max)
2867 break;
2868
2869 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2870 rl.rlim_max &= ~bit; /* too high, remove bit again */
2871 }
2872
2873 /* now, raise the soft limit to the max permitted */
2874 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2875 {
2876 rl.rlim_cur = rl.rlim_max;
2877 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2878 errno = EPERM;
2879 }
2880 }
2881#endif
2882 fail:
2883 XSRETURN_UNDEF;
2884}
1024 2885
1025void _on_next_submit (SV *cb) 2886void _on_next_submit (SV *cb)
1026 CODE: 2887 CODE:
1027 SvREFCNT_dec (on_next_submit); 2888 SvREFCNT_dec (on_next_submit);
1028 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2889 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1029 2890
1030PROTOTYPES: DISABLE 2891PROTOTYPES: DISABLE
1031 2892
2893MODULE = IO::AIO PACKAGE = IO::AIO::WD
2894
2895BOOT:
2896{
2897 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2898 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2899}
2900
2901void
2902DESTROY (SV *self)
2903 CODE:
2904{
2905 aio_wd wd = SvAIO_WD (self);
2906#if HAVE_AT
2907 {
2908 SV *callback = &PL_sv_undef;
2909 dREQ; /* clobbers next_pri :/ */
2910 next_pri = req->pri; /* restore next_pri */
2911 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2912 req->type = EIO_WD_CLOSE;
2913 req->wd = wd;
2914 REQ_SEND;
2915 }
2916#else
2917 eio_wd_close_sync (wd);
2918#endif
2919}
2920
1032MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2921MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1033 2922
1034void 2923void
1035cancel (aio_req_ornot req) 2924cancel (aio_req_ornot req)
1036 CODE: 2925 CODE:
1037 eio_cancel (req); 2926 eio_cancel (req);
1038 2927
1039void 2928void
1040cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2929cb (aio_req_ornot req, SV *callback = NO_INIT)
1041 CODE: 2930 PPCODE:
2931{
2932 if (GIMME_V != G_VOID)
2933 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
2934
2935 if (items > 1)
2936 {
2937 SV *cb_cv = get_cb (callback);
2938
1042 SvREFCNT_dec (req->callback); 2939 SvREFCNT_dec (req->callback);
1043 req->callback = newSVsv (callback); 2940 req->callback = SvREFCNT_inc (cb_cv);
2941 }
2942}
1044 2943
1045MODULE = IO::AIO PACKAGE = IO::AIO::GRP 2944MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1046 2945
1047void 2946void
1048add (aio_req grp, ...) 2947add (aio_req grp, ...)
… …
1080 AV *av; 2979 AV *av;
1081 2980
1082 grp->errorno = errno; 2981 grp->errorno = errno;
1083 2982
1084 av = newAV (); 2983 av = newAV ();
2984 av_extend (av, items - 1);
1085 2985
1086 for (i = 1; i < items; ++i ) 2986 for (i = 1; i < items; ++i )
1087 av_push (av, newSVsv (ST (i))); 2987 av_push (av, newSVsv (ST (i)));
1088 2988
1089 SvREFCNT_dec (grp->sv1); 2989 SvREFCNT_dec (grp->sv1);
… …
1099limit (aio_req grp, int limit) 2999limit (aio_req grp, int limit)
1100 CODE: 3000 CODE:
1101 eio_grp_limit (grp, limit); 3001 eio_grp_limit (grp, limit);
1102 3002
1103void 3003void
1104feed (aio_req grp, SV *callback=&PL_sv_undef) 3004feed (aio_req grp, SV *callback = &PL_sv_undef)
1105 CODE: 3005 CODE:
1106{ 3006{
1107 SvREFCNT_dec (grp->sv2); 3007 SvREFCNT_dec (grp->sv2);
1108 grp->sv2 = newSVsv (callback); 3008 grp->sv2 = newSVsv (callback);
3009 grp->feed = aio_grp_feed;
1109 3010
1110 if (grp->int2 <= 0) 3011 if (grp->int2 <= 0)
1111 grp->int2 = 2; 3012 grp->int2 = 2;
1112 3013
1113 eio_grp_limit (grp, grp->int2); 3014 eio_grp_limit (grp, grp->int2);

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