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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.151 by root, Tue Jul 14 00:13:36 2009 UTC vs.
Revision 1.295 by root, Mon Sep 5 00:03:32 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"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <limits.h> 20#include <limits.h>
17#include <fcntl.h> 21#include <fcntl.h>
18#include <sched.h> 22#include <sched.h>
19 23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
36#endif
37
20/* perl namespace pollution */ 38/* perl namespace pollution */
21#undef VERSION 39#undef VERSION
22
23#ifdef _WIN32
24
25# define EIO_STRUCT_DIRENT Direntry_t
26# undef malloc
27# undef free
28
29// perl overrides all those nice win32 functions
30# undef open
31# undef read
32# undef write
33# undef send
34# undef recv
35# undef stat
36# undef fstat
37# define lstat stat
38# undef truncate
39# undef ftruncate
40# undef open
41# undef close
42# undef unlink
43# undef rmdir
44# undef rename
45# undef lseek
46
47# define chown(a,b,c) (errno = ENOSYS, -1)
48# define fchown(a,b,c) (errno = ENOSYS, -1)
49# define fchmod(a,b) (errno = ENOSYS, -1)
50# define symlink(a,b) (errno = ENOSYS, -1)
51# define readlink(a,b,c) (errno = ENOSYS, -1)
52# define mknod(a,b,c) (errno = ENOSYS, -1)
53# define truncate(a,b) (errno = ENOSYS, -1)
54# define ftruncate(fd,o) chsize ((fd), (o))
55# define fsync(fd) _commit (fd)
56# define opendir(fd) (errno = ENOSYS, 0)
57# define readdir(fd) (errno = ENOSYS, -1)
58# define closedir(fd) (errno = ENOSYS, -1)
59# define mkdir(a,b) mkdir (a)
60
61#else
62
63# include <sys/time.h>
64# include <sys/select.h>
65# include <unistd.h>
66# include <utime.h>
67# include <signal.h>
68# define EIO_STRUCT_DIRENT struct dirent
69
70#endif
71 40
72/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
73/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
74#undef readdir 43#undef readdir
75#undef opendir 44#undef opendir
76#undef closedir 45#undef closedir
77 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
78#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
79 84
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else 85#else
86# define VAL64 NV 86
87# define SvVAL64 SvNV 87 #include <sys/time.h>
88# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <sys/wait.h>
90 #include <unistd.h>
91 #include <utime.h>
92 #include <signal.h>
93
94 #define EIO_STRUCT_STAT Stat_t
95
89#endif 96#endif
90 97
91/*****************************************************************************/ 98/*****************************************************************************/
92 99
93#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
101 108
102/*****************************************************************************/ 109/*****************************************************************************/
103 110
104static HV *stash; 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
105typedef SV SV8; /* byte-sv, used for argument-checking */ 173typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 174typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 175typedef int aio_wfd; /* write file descriptor */
108 176
109#define AIO_REQ_KLASS "IO::AIO::REQ" 177static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 178
112#define EIO_REQ_MEMBERS \ 179#define EIO_REQ_MEMBERS \
113 SV *callback; \ 180 SV *callback; \
114 SV *sv1, *sv2; \ 181 SV *sv1, *sv2; \
182 SV *sv3, *sv4; \
115 STRLEN stroffset; \ 183 STRLEN stroffset; \
116 SV *self; 184 SV *self;
117 185
118#define EIO_NO_WRAPPERS 1 186#define EIO_NO_WRAPPERS 1
119 187
120#include "libeio/eio.h" 188#include "libeio/eio.h"
121
122#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0
129#endif
130
131#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0
133#endif
134
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138
139#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0
141#endif
142
143#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0
145#endif
146 189
147static int req_invoke (eio_req *req); 190static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 191#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 192static void req_destroy (eio_req *grp);
150#define EIO_DESTROY(req) req_destroy (req) 193#define EIO_DESTROY(req) req_destroy (req)
151 194
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
455
152enum { 456enum {
153 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
154}; 458};
155 459
156#include "libeio/eio.c"
157
158typedef eio_req *aio_req; 460typedef eio_req *aio_req;
159typedef eio_req *aio_req_ornot; 461typedef eio_req *aio_req_ornot;
462typedef eio_wd aio_wd;
160 463
161static SV *on_next_submit; 464static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 465static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 466static int max_outstanding;
164 467
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 468static s_epipe respipe;
166 469
167static void req_destroy (aio_req req); 470static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 471static void req_cancel (aio_req req);
169 472
170static void want_poll (void) 473static void
474want_poll (void)
171{ 475{
172 /* write a dummy byte to the pipe so fh becomes ready */ 476 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 477 s_epipe_signal (&respipe);
174} 478}
175 479
176static void done_poll (void) 480static void
481done_poll (void)
177{ 482{
178 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
179 char buf [4]; 484 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 485}
183 486
184/* must be called at most once */ 487/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 488ecb_noinline
489static SV *
490req_sv (aio_req req, HV *stash)
186{ 491{
187 if (!req->self) 492 if (!req->self)
188 { 493 {
189 req->self = (SV *)newHV (); 494 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 495 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 496 }
192 497
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 498 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 499}
195 500
196static 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)
197{ 510{
198 MAGIC *mg; 511 MAGIC *mg;
199 512
200 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")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 518 croak ("object of class IO::AIO::REQ expected");
202 519
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 520 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 521
205 return mg ? (aio_req)mg->mg_ptr : 0; 522 return mg ? (aio_req)mg->mg_ptr : 0;
206} 523}
207 524
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
208static void aio_grp_feed (aio_req grp) 562aio_grp_feed (aio_req grp)
209{ 563{
210 if (grp->sv2 && SvOK (grp->sv2)) 564 if (grp->sv2 && SvOK (grp->sv2))
211 { 565 {
212 dSP; 566 dSP;
213 567
214 ENTER; 568 ENTER;
215 SAVETMPS; 569 SAVETMPS;
216 PUSHMARK (SP); 570 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 571 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 572 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 573 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 574 SPAGAIN;
221 FREETMPS; 575 FREETMPS;
222 LEAVE; 576 LEAVE;
223 } 577 }
224} 578}
225 579
580ecb_noinline
581static void
226static void req_submit (eio_req *req) 582req_submit (eio_req *req)
227{ 583{
228 eio_submit (req); 584 eio_submit (req);
229 585
230 if (expect_false (on_next_submit)) 586 if (expect_false (on_next_submit))
231 { 587 {
… …
238 PUTBACK; 594 PUTBACK;
239 call_sv (cb, G_DISCARD | G_EVAL); 595 call_sv (cb, G_DISCARD | G_EVAL);
240 } 596 }
241} 597}
242 598
599static int
243static int req_invoke (eio_req *req) 600req_invoke (eio_req *req)
244{ 601{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 602 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 603 SvREADONLY_off (req->sv2);
249 604
250 if (!EIO_CANCELLED (req) && req->callback) 605 if (!EIO_CANCELLED (req) && req->callback)
251 { 606 {
607 dSP;
608 static SV *sv_result_cache; /* caches the result integer SV */
609 SV *sv_result;
610
252 ENTER; 611 ENTER;
253 SAVETMPS; 612 SAVETMPS;
254 PUSHMARK (SP); 613 PUSHMARK (SP);
255 EXTEND (SP, 1); 614 EXTEND (SP, 1);
256 615
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
257 switch (req->type) 629 switch (req->type)
258 { 630 {
631 case EIO_WD_OPEN:
632 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
633 break;
634
259 case EIO_READDIR: 635 case EIO_READDIR:
260 { 636 {
261 SV *rv = &PL_sv_undef; 637 SV *rv = &PL_sv_undef;
262 638
263 if (req->result >= 0) 639 if (req->result >= 0)
… …
316 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 692 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
317 } 693 }
318 break; 694 break;
319 695
320 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:
321 { 702 {
322 /* convert fd to fh */
323 SV *fh = &PL_sv_undef; 703 SV *rv = &PL_sv_undef;
324 704
705#ifndef _WIN32
325 if (req->result >= 0) 706 if (req->result >= 0)
326 { 707 {
708 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
327 GV *gv = (GV *)sv_newmortal (); 709 HV *hv = newHV ();
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 710 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
329 char sym [64]; 711 * chooses to make it a struct.
330 int symlen;
331 712 */
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 713 unsigned long fsid = 0;
333 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));
334 715
335 symlen = snprintf ( 716 rv = sv_2mortal (newRV_noinc ((SV *)hv));
336 sym,
337 sizeof (sym),
338 "%s&=%d",
339 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
340 (int)req->result
341 );
342 717
343 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 718 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
344 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);
345 } 729 }
730#endif
346 731
347 PUSHs (fh); 732 PUSHs (rv);
348 } 733 }
734
349 break; 735 break;
350 736
351 case EIO_GROUP: 737 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 738 req->int1 = 2; /* mark group as finished */
353 739
… …
365 case EIO_NOP: 751 case EIO_NOP:
366 case EIO_BUSY: 752 case EIO_BUSY:
367 break; 753 break;
368 754
369 case EIO_READLINK: 755 case EIO_READLINK:
756 case EIO_REALPATH:
370 if (req->result > 0) 757 if (req->result > 0)
371 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 758 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
372 break; 759 break;
373 760
374 case EIO_STAT: 761 case EIO_STAT:
375 case EIO_LSTAT: 762 case EIO_LSTAT:
376 case EIO_FSTAT: 763 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 764 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
765
378 PL_laststatval = req->result; 766 if (!(PL_laststatval = req->result))
767 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 768 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 769
770 PUSHs (sv_result);
771 break;
772
773 case EIO_SEEK:
774 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
381 break; 775 break;
382 776
383 case EIO_READ: 777 case EIO_READ:
384 { 778 {
385 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));
386 *SvEND (req->sv2) = 0; 780 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 781 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 782 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 783 PUSHs (sv_result);
390 } 784 }
391 break; 785 break;
392 786
393 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 */
394 if (req->result > 0) 858 if (req->result > 0)
395 req->result = 0; 859 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
397 861
398 default: 862 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 863 PUSHs (sv_result);
400 break; 864 break;
401 } 865 }
402 866
403 errno = req->errorno; 867 errno = req->errorno;
404 868
405 PUTBACK; 869 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 870 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 871 SPAGAIN;
408 872
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
409 FREETMPS; 878 FREETMPS;
410 LEAVE; 879 LEAVE;
411 880
412 PUTBACK; 881 PUTBACK;
413 } 882 }
414 883
415 return !!SvTRUE (ERRSV); 884 return !!SvTRUE (ERRSV);
416} 885}
417 886
887static void
418static void req_destroy (aio_req req) 888req_destroy (aio_req req)
419{ 889{
420 if (req->self) 890 if (req->self)
421 { 891 {
422 sv_unmagic (req->self, PERL_MAGIC_ext); 892 sv_unmagic (req->self, PERL_MAGIC_ext);
423 SvREFCNT_dec (req->self); 893 SvREFCNT_dec (req->self);
424 } 894 }
425 895
426 SvREFCNT_dec (req->sv1); 896 SvREFCNT_dec (req->sv1);
427 SvREFCNT_dec (req->sv2); 897 SvREFCNT_dec (req->sv2);
898 SvREFCNT_dec (req->sv3);
899 SvREFCNT_dec (req->sv4);
428 SvREFCNT_dec (req->callback); 900 SvREFCNT_dec (req->callback);
429 901
430 Safefree (req); 902 free (req);
431} 903}
432 904
905static void
433static void req_cancel_subs (aio_req grp) 906req_cancel_subs (aio_req grp)
434{ 907{
435 aio_req sub;
436
437 if (grp->type != EIO_GROUP) 908 if (grp->type != EIO_GROUP)
438 return; 909 return;
439 910
440 SvREFCNT_dec (grp->sv2); 911 SvREFCNT_dec (grp->sv2);
441 grp->sv2 = 0; 912 grp->sv2 = 0;
442 913
443 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
444} 915}
445 916
446#ifdef USE_SOCKETS_AS_HANDLES 917ecb_cold
447# define TO_SOCKET(x) (win32_get_osfhandle (x))
448#else
449# define TO_SOCKET(x) (x)
450#endif
451
452static void 918static void
453create_respipe (void) 919create_respipe (void)
454{ 920{
455 int old_readfd = respipe [0];
456
457 if (respipe [1] >= 0)
458 respipe_close (TO_SOCKET (respipe [1]));
459
460#ifdef _WIN32
461 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
462#else
463 if (pipe (respipe)) 921 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
466
467 if (old_readfd >= 0)
468 {
469 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
470 croak ("unable to initialize result pipe(2)");
471
472 respipe_close (respipe [0]);
473 respipe [0] = old_readfd;
474 }
475
476#ifdef _WIN32
477 int arg = 1;
478 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
479 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
480#else
481 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
482 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
483#endif
484 croak ("unable to initialize result pipe(3)");
485
486 respipe_osf [0] = TO_SOCKET (respipe [0]);
487 respipe_osf [1] = TO_SOCKET (respipe [1]);
488} 923}
489 924
490static void poll_wait (void) 925static void
926poll_wait (void)
491{ 927{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 928 while (eio_nreqs ())
495 { 929 {
496 int size; 930 int size;
497 931
498 X_LOCK (reslock); 932 X_LOCK (EIO_POOL->reslock);
499 size = res_queue.size; 933 size = EIO_POOL->res_queue.size;
500 X_UNLOCK (reslock); 934 X_UNLOCK (EIO_POOL->reslock);
501 935
502 if (size) 936 if (size)
503 return; 937 return;
504 938
505 etp_maybe_start_thread (); 939 etp_maybe_start_thread (EIO_POOL);
506 940
507 FD_ZERO (&rfd); 941 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 942 }
512} 943}
513 944
514static int poll_cb (void) 945static int
946poll_cb (void)
515{ 947{
516 for (;;) 948 for (;;)
517 { 949 {
518 int res = eio_poll (); 950 int res = eio_poll ();
519 951
… …
525 957
526 poll_wait (); 958 poll_wait ();
527 } 959 }
528} 960}
529 961
530static void atfork_child (void) 962ecb_cold
963static void
964reinit (void)
531{ 965{
532 create_respipe (); 966 create_respipe ();
967
968 if (eio_init (want_poll, done_poll) < 0)
969 croak ("IO::AIO: unable to initialise eio library");
533} 970}
971
972/*****************************************************************************/
534 973
535static SV * 974static SV *
536get_cb (SV *cb_sv) 975get_cb (SV *cb_sv)
537{ 976{
538 HV *st; 977 SvGETMAGIC (cb_sv);
539 GV *gvp; 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{
540 CV *cv; 985 SV *cb_cv;
986 aio_req req;
987 int req_pri = next_pri;
988 next_pri = EIO_PRI_DEFAULT;
541 989
542 if (!SvOK (cb_sv)) 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
543 return 0; 999 return req;
544
545 cv = sv_2cv (cb_sv, &st, &gvp, 0);
546
547 if (!cv)
548 croak ("IO::AIO callback must be undef or a CODE reference");
549
550 return (SV *)cv;
551} 1000}
552 1001
553#define dREQ \ 1002#define dREQ \
554 SV *cb_cv; \ 1003 aio_req req = dreq (callback); \
555 aio_req req; \
556 int req_pri = next_pri; \
557 next_pri = EIO_PRI_DEFAULT; \
558 \
559 cb_cv = get_cb (callback); \
560 \
561 Newz (0, req, 1, eio_req); \
562 if (!req) \
563 croak ("out of memory during eio_req allocation"); \
564 \
565 req->callback = SvREFCNT_inc (cb_cv); \
566 req->pri = req_pri
567 1004
568#define REQ_SEND \ 1005#define REQ_SEND \
569 PUTBACK; \ 1006 PUTBACK; \
570 req_submit (req); \ 1007 req_submit (req); \
571 SPAGAIN; \ 1008 SPAGAIN; \
572 \ 1009 \
573 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
574 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 1011 XPUSHs (req_sv (req, aio_req_stash));
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
1098/* extract a ref-to-array of strings into a temporary c style string vector */
1099static char **
1100extract_stringvec (SV *sv, const char *croakmsg)
1101{
1102 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1103 croak (croakmsg);
1104
1105 AV *av = (AV *)SvRV (sv);
1106 int i, nelem = av_len (av) + 1;
1107 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1108
1109 for (i = 0; i < nelem; ++i)
1110 {
1111 SV **e = av_fetch (av, i, 0);
1112
1113 if (e && *e)
1114 vecp[i] = SvPVbyte_nolen (*e);
1115 else
1116 vecp[i] = "";
1117 }
1118
1119 vecp[nelem] = 0;
1120
1121 return vecp;
1122}
1123
1124/*****************************************************************************/
1125
1126XS(boot_IO__AIO) ecb_cold;
575 1127
576MODULE = IO::AIO PACKAGE = IO::AIO 1128MODULE = IO::AIO PACKAGE = IO::AIO
577 1129
578PROTOTYPES: ENABLE 1130PROTOTYPES: ENABLE
579 1131
… …
581{ 1133{
582 static const struct { 1134 static const struct {
583 const char *name; 1135 const char *name;
584 IV iv; 1136 IV iv;
585 } *civ, const_iv[] = { 1137 } *civ, const_iv[] = {
586# define const_iv(name, value) { # name, (IV) value }, 1138# define const_niv(name, value) { # name, (IV) value },
1139# define const_iv(name) { # name, (IV) name },
587# define const_eio(name) { # name, (IV) EIO_ ## name }, 1140# define const_eio(name) { # name, (IV) EIO_ ## name },
588 const_iv (EXDEV , EXDEV) 1141
1142 /* you have to re-run ./gendef0 after adding/removing any constants here */
1143 /* the first block can be undef if missing */
589 const_iv (ENOSYS , ENOSYS) 1144 const_iv (ENOSYS)
590 const_iv (O_RDONLY, O_RDONLY) 1145 const_iv (EXDEV)
591 const_iv (O_WRONLY, O_WRONLY) 1146 const_iv (EBADR)
592 const_iv (O_CREAT , O_CREAT) 1147
593 const_iv (O_TRUNC , O_TRUNC) 1148 /* for lseek */
594#ifndef _WIN32 1149 const_iv (SEEK_DATA)
595 const_iv (S_IFIFO , S_IFIFO) 1150 const_iv (SEEK_HOLE)
596#endif 1151
597 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1152 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
598 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1153 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
599 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1154 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
600 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1155 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
601 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1156 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
602 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1157 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1158
1159 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1160 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1161 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1162 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1163 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1164
1165 /* the second block will be 0 when missing */
1166 const_iv (O_ACCMODE)
1167
1168 const_iv (O_RDONLY)
1169 const_iv (O_WRONLY)
1170 const_iv (O_RDWR)
1171 const_iv (O_CREAT)
1172 const_iv (O_TRUNC)
1173 const_iv (O_EXCL)
1174 const_iv (O_APPEND)
1175
1176 const_iv (O_ASYNC)
1177 const_iv (O_DIRECT)
1178 const_iv (O_NOATIME)
1179
1180 const_iv (O_CLOEXEC)
1181 const_iv (O_NOCTTY)
1182 const_iv (O_NOFOLLOW)
1183 const_iv (O_NONBLOCK)
1184 const_iv (O_EXEC)
1185 const_iv (O_SEARCH)
1186 const_iv (O_DIRECTORY)
1187 const_iv (O_DSYNC)
1188 const_iv (O_RSYNC)
1189 const_iv (O_SYNC)
1190 const_iv (O_PATH)
1191 const_iv (O_TMPFILE)
1192 const_iv (O_TTY_INIT)
1193
1194 const_iv (S_IFIFO)
1195 const_iv (S_IFCHR)
1196 const_iv (S_IFBLK)
1197 const_iv (S_IFLNK)
1198 const_iv (S_IFREG)
1199 const_iv (S_IFDIR)
1200 const_iv (S_IFWHT)
1201 const_iv (S_IFSOCK)
1202 const_iv (S_IFMT)
1203
1204 const_iv (ST_RDONLY)
1205 const_iv (ST_NOSUID)
1206 const_iv (ST_NODEV)
1207 const_iv (ST_NOEXEC)
1208 const_iv (ST_SYNCHRONOUS)
1209 const_iv (ST_MANDLOCK)
1210 const_iv (ST_WRITE)
1211 const_iv (ST_APPEND)
1212 const_iv (ST_IMMUTABLE)
1213 const_iv (ST_NOATIME)
1214 const_iv (ST_NODIRATIME)
1215 const_iv (ST_RELATIME)
1216
1217 const_iv (PROT_NONE)
1218 const_iv (PROT_EXEC)
1219 const_iv (PROT_READ)
1220 const_iv (PROT_WRITE)
1221
1222 const_iv (MAP_PRIVATE)
1223 const_iv (MAP_SHARED)
1224 const_iv (MAP_FIXED)
1225 const_iv (MAP_ANONYMOUS)
1226
1227 /* linuxish */
1228 const_iv (MAP_LOCKED)
1229 const_iv (MAP_NORESERVE)
1230 const_iv (MAP_POPULATE)
1231 const_iv (MAP_NONBLOCK)
1232 const_iv (MAP_GROWSDOWN)
1233 const_iv (MAP_32BIT)
1234 const_iv (MAP_HUGETLB)
1235 const_iv (MAP_STACK)
1236 const_iv (MAP_FIXED_NOREPLACE)
1237 const_iv (MAP_SHARED_VALIDATE)
1238 const_iv (MAP_SYNC)
1239 const_iv (MAP_UNINITIALIZED)
1240
1241 const_iv (MREMAP_MAYMOVE)
1242 const_iv (MREMAP_FIXED)
1243
1244 const_iv (MSG_CMSG_CLOEXEC)
1245 const_iv (SOCK_CLOEXEC)
1246
1247 const_iv (F_DUPFD_CLOEXEC)
1248
1249 const_iv (F_ADD_SEALS)
1250 const_iv (F_GET_SEALS)
1251 const_iv (F_SEAL_SEAL)
1252 const_iv (F_SEAL_SHRINK)
1253 const_iv (F_SEAL_GROW)
1254 const_iv (F_SEAL_WRITE)
1255
1256 const_iv (F_OFD_GETLK)
1257 const_iv (F_OFD_SETLK)
1258 const_iv (F_OFD_GETLKW)
1259
1260 const_iv (FIFREEZE)
1261 const_iv (FITHAW)
1262 const_iv (FITRIM)
1263 const_iv (FICLONE)
1264 const_iv (FICLONERANGE)
1265 const_iv (FIDEDUPERANGE)
1266
1267 const_iv (FS_IOC_GETFLAGS)
1268 const_iv (FS_IOC_SETFLAGS)
1269 const_iv (FS_IOC_GETVERSION)
1270 const_iv (FS_IOC_SETVERSION)
1271 const_iv (FS_IOC_FIEMAP)
1272 const_iv (FS_IOC_FSGETXATTR)
1273 const_iv (FS_IOC_FSSETXATTR)
1274 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1275 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1276 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1277
1278 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1279
1280 const_iv (FS_SECRM_FL)
1281 const_iv (FS_UNRM_FL)
1282 const_iv (FS_COMPR_FL)
1283 const_iv (FS_SYNC_FL)
1284 const_iv (FS_IMMUTABLE_FL)
1285 const_iv (FS_APPEND_FL)
1286 const_iv (FS_NODUMP_FL)
1287 const_iv (FS_NOATIME_FL)
1288 const_iv (FS_DIRTY_FL)
1289 const_iv (FS_COMPRBLK_FL)
1290 const_iv (FS_NOCOMP_FL)
1291 const_iv (FS_ENCRYPT_FL)
1292 const_iv (FS_BTREE_FL)
1293 const_iv (FS_INDEX_FL)
1294 const_iv (FS_JOURNAL_DATA_FL)
1295 const_iv (FS_NOTAIL_FL)
1296 const_iv (FS_DIRSYNC_FL)
1297 const_iv (FS_TOPDIR_FL)
1298 const_iv (FS_FL_USER_MODIFIABLE)
1299
1300 const_iv (FS_XFLAG_REALTIME)
1301 const_iv (FS_XFLAG_PREALLOC)
1302 const_iv (FS_XFLAG_IMMUTABLE)
1303 const_iv (FS_XFLAG_APPEND)
1304 const_iv (FS_XFLAG_SYNC)
1305 const_iv (FS_XFLAG_NOATIME)
1306 const_iv (FS_XFLAG_NODUMP)
1307 const_iv (FS_XFLAG_RTINHERIT)
1308 const_iv (FS_XFLAG_PROJINHERIT)
1309 const_iv (FS_XFLAG_NOSYMLINKS)
1310 const_iv (FS_XFLAG_EXTSIZE)
1311 const_iv (FS_XFLAG_EXTSZINHERIT)
1312 const_iv (FS_XFLAG_NODEFRAG)
1313 const_iv (FS_XFLAG_FILESTREAM)
1314 const_iv (FS_XFLAG_DAX)
1315 const_iv (FS_XFLAG_HASATTR)
1316
1317 const_iv (FIEMAP_FLAG_SYNC)
1318 const_iv (FIEMAP_FLAG_XATTR)
1319 const_iv (FIEMAP_FLAGS_COMPAT)
1320 const_iv (FIEMAP_EXTENT_LAST)
1321 const_iv (FIEMAP_EXTENT_UNKNOWN)
1322 const_iv (FIEMAP_EXTENT_DELALLOC)
1323 const_iv (FIEMAP_EXTENT_ENCODED)
1324 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1325 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1326 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1327 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1328 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1329 const_iv (FIEMAP_EXTENT_MERGED)
1330 const_iv (FIEMAP_EXTENT_SHARED)
1331
1332 const_iv (SPLICE_F_MOVE)
1333 const_iv (SPLICE_F_NONBLOCK)
1334 const_iv (SPLICE_F_MORE)
1335 const_iv (SPLICE_F_GIFT)
1336
1337 const_iv (EFD_CLOEXEC)
1338 const_iv (EFD_NONBLOCK)
1339 const_iv (EFD_SEMAPHORE)
1340
1341 const_iv (MFD_CLOEXEC)
1342 const_iv (MFD_ALLOW_SEALING)
1343 const_iv (MFD_HUGETLB)
1344 const_iv (MFD_HUGETLB_2MB)
1345 const_iv (MFD_HUGETLB_1GB)
1346
1347 const_iv (CLOCK_REALTIME)
1348 const_iv (CLOCK_MONOTONIC)
1349 const_iv (CLOCK_BOOTTIME)
1350 const_iv (CLOCK_REALTIME_ALARM)
1351 const_iv (CLOCK_BOOTTIME_ALARM)
1352
1353 const_iv (TFD_NONBLOCK)
1354 const_iv (TFD_CLOEXEC)
1355
1356 const_iv (TFD_TIMER_ABSTIME)
1357 const_iv (TFD_TIMER_CANCEL_ON_SET)
1358
1359 const_iv (STATX_TYPE)
1360 const_iv (STATX_MODE)
1361 const_iv (STATX_NLINK)
1362 const_iv (STATX_UID)
1363 const_iv (STATX_GID)
1364 const_iv (STATX_ATIME)
1365 const_iv (STATX_MTIME)
1366 const_iv (STATX_CTIME)
1367 const_iv (STATX_INO)
1368 const_iv (STATX_SIZE)
1369 const_iv (STATX_BLOCKS)
1370 const_iv (STATX_BASIC_STATS)
1371 const_iv (STATX_ALL)
1372 const_iv (STATX_BTIME)
1373 const_iv (STATX_ATTR_COMPRESSED)
1374 const_iv (STATX_ATTR_IMMUTABLE)
1375 const_iv (STATX_ATTR_APPEND)
1376 const_iv (STATX_ATTR_NODUMP)
1377 const_iv (STATX_ATTR_ENCRYPTED)
1378 const_iv (STATX_ATTR_AUTOMOUNT)
1379
1380 const_iv (AT_FDCWD)
1381 const_iv (AT_SYMLINK_NOFOLLOW)
1382 const_iv (AT_EACCESS)
1383 const_iv (AT_REMOVEDIR)
1384 const_iv (AT_SYMLINK_FOLLOW)
1385 const_iv (AT_NO_AUTOMOUNT)
1386 const_iv (AT_EMPTY_PATH)
1387 const_iv (AT_STATX_SYNC_TYPE)
1388 const_iv (AT_STATX_AS_STAT)
1389 const_iv (AT_STATX_FORCE_SYNC)
1390 const_iv (AT_STATX_DONT_SYNC)
1391 const_iv (AT_RECURSIVE)
1392
1393 const_iv (OPEN_TREE_CLONE)
1394
1395 const_iv (FSOPEN_CLOEXEC)
1396
1397 const_iv (FSPICK_CLOEXEC)
1398 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1399 const_iv (FSPICK_NO_AUTOMOUNT)
1400 const_iv (FSPICK_EMPTY_PATH)
1401
1402 const_iv (MOVE_MOUNT_F_SYMLINKS)
1403 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1404 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1405 const_iv (MOVE_MOUNT_T_SYMLINKS)
1406 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1407 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1408
1409 /* waitid */
1410 const_iv (P_PID)
1411 const_iv (P_PIDFD)
1412 const_iv (P_PGID)
1413 const_iv (P_ALL)
1414
1415 const_iv (FSCONFIG_SET_FLAG)
1416 const_iv (FSCONFIG_SET_STRING)
1417 const_iv (FSCONFIG_SET_BINARY)
1418 const_iv (FSCONFIG_SET_PATH)
1419 const_iv (FSCONFIG_SET_PATH_EMPTY)
1420 const_iv (FSCONFIG_SET_FD)
1421 const_iv (FSCONFIG_CMD_CREATE)
1422 const_iv (FSCONFIG_CMD_RECONFIGURE)
1423
1424 const_iv (MOUNT_ATTR_RDONLY)
1425 const_iv (MOUNT_ATTR_NOSUID)
1426 const_iv (MOUNT_ATTR_NODEV)
1427 const_iv (MOUNT_ATTR_NOEXEC)
1428 const_iv (MOUNT_ATTR__ATIME)
1429 const_iv (MOUNT_ATTR_RELATIME)
1430 const_iv (MOUNT_ATTR_NOATIME)
1431 const_iv (MOUNT_ATTR_STRICTATIME)
1432 const_iv (MOUNT_ATTR_NODIRATIME)
1433
1434 /* these are libeio constants, and are independent of gendef0 */
1435 const_eio (SEEK_SET)
1436 const_eio (SEEK_CUR)
1437 const_eio (SEEK_END)
1438
1439 const_eio (MCL_FUTURE)
1440 const_eio (MCL_CURRENT)
1441 const_eio (MCL_ONFAULT)
1442
1443 const_eio (MS_ASYNC)
1444 const_eio (MS_INVALIDATE)
1445 const_eio (MS_SYNC)
1446
1447 const_eio (MT_MODIFY)
603 1448
604 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1449 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
605 const_eio (SYNC_FILE_RANGE_WRITE) 1450 const_eio (SYNC_FILE_RANGE_WRITE)
606 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1451 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1452
1453 const_eio (FALLOC_FL_KEEP_SIZE)
1454 const_eio (FALLOC_FL_PUNCH_HOLE)
1455 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1456 const_eio (FALLOC_FL_ZERO_RANGE)
1457 const_eio (FALLOC_FL_INSERT_RANGE)
1458 const_eio (FALLOC_FL_UNSHARE_RANGE)
1459
1460 const_eio (RENAME_NOREPLACE)
1461 const_eio (RENAME_EXCHANGE)
1462 const_eio (RENAME_WHITEOUT)
607 1463
608 const_eio (READDIR_DENTS) 1464 const_eio (READDIR_DENTS)
609 const_eio (READDIR_DIRS_FIRST) 1465 const_eio (READDIR_DIRS_FIRST)
610 const_eio (READDIR_STAT_ORDER) 1466 const_eio (READDIR_STAT_ORDER)
611 const_eio (READDIR_FOUND_UNKNOWN) 1467 const_eio (READDIR_FOUND_UNKNOWN)
… …
619 const_eio (DT_LNK) 1475 const_eio (DT_LNK)
620 const_eio (DT_SOCK) 1476 const_eio (DT_SOCK)
621 const_eio (DT_WHT) 1477 const_eio (DT_WHT)
622 }; 1478 };
623 1479
624 stash = gv_stashpv ("IO::AIO", 1); 1480 aio_stash = gv_stashpv ("IO::AIO" , 1);
1481 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1482 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1483 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
625 1484
626 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1485 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
627 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1486 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
628 1487
629 create_respipe (); 1488 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
630 1489
631 if (eio_init (want_poll, done_poll) < 0) 1490 /* allocate dummy pipe fd for aio_close */
632 croak ("IO::AIO: unable to initialise eio library"); 1491 {
1492 int pipefd [2];
633 1493
634 /* atfork child called in fifo order, so before eio's handler */ 1494 if (
635 X_THREAD_ATFORK (0, 0, atfork_child); 1495#ifdef _WIN32
636} 1496 _pipe (pipefd, 1, _O_BINARY) < 0
1497#else
1498 pipe (pipefd) < 0
1499 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1500#endif
1501 || close (pipefd [1]) < 0
1502 )
1503 croak ("IO::AIO: unable to create dummy pipe for aio_close");
637 1504
1505 close_fd = pipefd [0];
1506 }
1507
1508 reinit ();
1509}
1510
638void 1511void
1512reinit ()
1513 PROTOTYPE:
1514
1515void
639max_poll_reqs (int nreqs) 1516max_poll_reqs (unsigned int nreqs)
640 PROTOTYPE: $ 1517 PROTOTYPE: $
641 CODE: 1518 CODE:
642 eio_set_max_poll_reqs (nreqs); 1519 eio_set_max_poll_reqs (nreqs);
643 1520
644void 1521void
… …
646 PROTOTYPE: $ 1523 PROTOTYPE: $
647 CODE: 1524 CODE:
648 eio_set_max_poll_time (nseconds); 1525 eio_set_max_poll_time (nseconds);
649 1526
650void 1527void
651min_parallel (int nthreads) 1528min_parallel (unsigned int nthreads)
652 PROTOTYPE: $ 1529 PROTOTYPE: $
653 CODE: 1530 CODE:
654 eio_set_min_parallel (nthreads); 1531 eio_set_min_parallel (nthreads);
655 1532
656void 1533void
657max_parallel (int nthreads) 1534max_parallel (unsigned int nthreads)
658 PROTOTYPE: $ 1535 PROTOTYPE: $
659 CODE: 1536 CODE:
660 eio_set_max_parallel (nthreads); 1537 eio_set_max_parallel (nthreads);
661 1538
662void 1539void
663max_idle (int nthreads) 1540max_idle (unsigned int nthreads)
664 PROTOTYPE: $ 1541 PROTOTYPE: $
665 CODE: 1542 CODE:
666 eio_set_max_idle (nthreads); 1543 eio_set_max_idle (nthreads);
667 1544
668void 1545void
1546idle_timeout (unsigned int seconds)
1547 PROTOTYPE: $
1548 CODE:
1549 eio_set_idle_timeout (seconds);
1550
1551void
669max_outstanding (int maxreqs) 1552max_outstanding (unsigned int maxreqs)
670 PROTOTYPE: $ 1553 PROTOTYPE: $
671 CODE: 1554 CODE:
672 max_outstanding = maxreqs; 1555 max_outstanding = maxreqs;
673 1556
674void 1557void
675aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1558aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
676 PROTOTYPE: $$$;$
677 PPCODE: 1559 PPCODE:
678{ 1560{
679 dREQ; 1561 dREQ;
680 1562
1563 req->type = EIO_WD_OPEN;
1564 req_set_path1 (req, pathname);
1565
1566 REQ_SEND;
1567}
1568
1569void
1570aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1571 PPCODE:
1572{
1573 dREQ;
1574
681 req->type = EIO_OPEN; 1575 req->type = EIO_OPEN;
682 req->sv1 = newSVsv (pathname); 1576 req_set_path1 (req, pathname);
683 req->ptr1 = SvPVbyte_nolen (req->sv1);
684 req->int1 = flags; 1577 req->int1 = flags;
685 req->int2 = mode; 1578 req->int2 = mode;
686 1579
687 REQ_SEND; 1580 REQ_SEND;
688} 1581}
689 1582
690void 1583void
691aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1584aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
692 PROTOTYPE: $;$
693 ALIAS: 1585 ALIAS:
694 aio_fsync = EIO_FSYNC 1586 aio_fsync = EIO_FSYNC
695 aio_fdatasync = EIO_FDATASYNC 1587 aio_fdatasync = EIO_FDATASYNC
1588 aio_syncfs = EIO_SYNCFS
696 PPCODE: 1589 PPCODE:
697{ 1590{
698 int fd = s_fileno_croak (fh, 0); 1591 int fd = s_fileno_croak (fh, 0);
699 dREQ; 1592 dREQ;
700 1593
701 req->type = ix; 1594 req->type = ix;
702 req->sv1 = newSVsv (fh); 1595 req->sv1 = newSVsv (fh);
703 req->int1 = fd; 1596 req->int1 = fd;
704 1597
705 REQ_SEND (req); 1598 REQ_SEND;
706} 1599}
707 1600
708void 1601void
709aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1602aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
710 PROTOTYPE: $$$$;$
711 PPCODE: 1603 PPCODE:
712{ 1604{
713 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
714 dREQ; 1606 dREQ;
715 1607
716 req->type = EIO_SYNC_FILE_RANGE; 1608 req->type = EIO_SYNC_FILE_RANGE;
717 req->sv1 = newSVsv (fh); 1609 req->sv1 = newSVsv (fh);
718 req->int1 = fd; 1610 req->int1 = fd;
719 req->offs = offset; 1611 req->offs = offset;
720 req->size = nbytes; 1612 req->size = nbytes;
721 req->int2 = flags; 1613 req->int2 = flags;
722 1614
723 REQ_SEND (req); 1615 REQ_SEND;
724} 1616}
725 1617
726void 1618void
727aio_close (SV *fh, SV *callback=&PL_sv_undef) 1619aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
728 PROTOTYPE: $;$
729 PPCODE: 1620 PPCODE:
730{ 1621{
731 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
732 int fd = s_fileno_croak (fh, 0); 1622 int fd = s_fileno_croak (fh, 0);
733 dREQ; 1623 dREQ;
734 1624
735 if (close_pipe < 0) 1625 req->type = EIO_FALLOCATE;
1626 req->sv1 = newSVsv (fh);
1627 req->int1 = fd;
1628 req->int2 = mode;
1629 req->offs = offset;
1630 req->size = len;
1631
1632 REQ_SEND;
1633}
1634
1635void
1636aio_close (SV *fh, SV *callback = &PL_sv_undef)
1637 PPCODE:
1638{
1639 int fd = s_fileno_croak (fh, 0);
1640 dREQ;
1641#if 0
1642 /* partially duplicate logic in s_fileno */
1643 SvGETMAGIC (fh);
1644
1645 if (SvROK (fh))
1646 {
1647 fh = SvRV (fh);
1648 SvGETMAGIC (fh);
1649 }
1650
1651 if (SvTYPE (fh) == SVt_PVGV)
736 { 1652 {
737 int pipefd [2]; 1653 /* perl filehandle */
1654 PerlIOUnix_refcnt_inc (fd);
1655 do_close ((GV *)fh, 1);
738 1656
739 if (pipe (pipefd) < 0 1657 req->type = EIO_CLOSE;
740 || close (pipefd [1]) < 0 1658 req->int1 = fd;
741 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1659 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
742 abort (); /*D*/
743
744 close_pipe = pipefd [0];
745 } 1660 }
746 1661 else
1662#endif
1663 {
1664 /* fd number */
747 req->type = EIO_DUP2; 1665 req->type = EIO_DUP2;
748 req->int1 = close_pipe; 1666 req->int1 = close_fd;
1667 req->sv2 = newSVsv (fh);
1668 req->int2 = fd;
1669 }
1670
1671 REQ_SEND;
1672}
1673
1674void
1675aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1676 PPCODE:
1677{
1678 int fd = s_fileno_croak (fh, 0);
1679 dREQ;
1680
1681 req->type = EIO_SEEK;
749 req->sv2 = newSVsv (fh); 1682 req->sv1 = newSVsv (fh);
750 req->int2 = fd; 1683 req->int1 = fd;
1684 req->offs = SvVAL64 (offset);
1685 req->int2 = whence;
751 1686
752 REQ_SEND (req); 1687 REQ_SEND;
753} 1688}
754 1689
755void 1690void
756aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1691aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
757 ALIAS: 1692 ALIAS:
758 aio_read = EIO_READ 1693 aio_read = EIO_READ
759 aio_write = EIO_WRITE 1694 aio_write = EIO_WRITE
760 PROTOTYPE: $$$$$;$
761 PPCODE: 1695 PPCODE:
762{ 1696{
763 STRLEN svlen; 1697 STRLEN svlen;
764 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1698 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
765 char *svptr = SvPVbyte (data, svlen); 1699 char *svptr = SvPVbyte (data, svlen);
… …
778 len = svlen - dataoffset; 1712 len = svlen - dataoffset;
779 } 1713 }
780 else 1714 else
781 { 1715 {
782 /* read: check type and grow scalar as necessary */ 1716 /* read: check type and grow scalar as necessary */
783 SvUPGRADE (data, SVt_PV); 1717 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
784 svptr = SvGROW (data, len + dataoffset + 1); 1718 svptr = sv_grow (data, len + dataoffset + 1);
1719 else if (SvCUR (data) < len + dataoffset)
1720 croak ("length + dataoffset outside of scalar, and cannot grow");
785 } 1721 }
786 1722
787 { 1723 {
788 dREQ; 1724 dREQ;
789 1725
… …
805 REQ_SEND; 1741 REQ_SEND;
806 } 1742 }
807} 1743}
808 1744
809void 1745void
810aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1746aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
811 PROTOTYPE: $$;$ 1747 ALIAS:
1748 aio_ioctl = EIO_IOCTL
1749 aio_fcntl = EIO_FCNTL
812 PPCODE: 1750 PPCODE:
813{ 1751{
814 SV *data; 1752 int fd = s_fileno_croak (fh, 0);
1753 char *svptr;
1754
1755 if (SvPOK (arg) || !SvNIOK (arg))
1756 {
1757 STRLEN svlen;
1758 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1759#ifdef IOCPARM_LEN
1760 STRLEN need = IOCPARM_LEN (request);
1761#else
1762 STRLEN need = 256;
1763#endif
1764
1765 if (svlen < need)
1766 svptr = SvGROW (arg, need);
1767 }
1768 else
1769 svptr = (char *)SvIV (arg);
1770
1771 {
1772 dREQ;
1773
1774 req->type = ix;
1775 req->sv1 = newSVsv (fh);
1776 req->int1 = fd;
1777 req->int2 = (long)request;
1778 req->sv2 = SvREFCNT_inc (arg);
1779 req->ptr2 = svptr;
1780
1781 REQ_SEND;
1782 }
1783}
1784
1785void
1786aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1787 ALIAS:
1788 aio_readlink = EIO_READLINK
1789 aio_realpath = EIO_REALPATH
1790 PPCODE:
1791{
815 dREQ; 1792 dREQ;
816 1793
817 req->type = EIO_READLINK; 1794 req->type = ix;
818 req->sv1 = newSVsv (path); 1795 req_set_path1 (req, pathname);
819 req->ptr1 = SvPVbyte_nolen (req->sv1);
820 1796
821 REQ_SEND; 1797 REQ_SEND;
822} 1798}
823 1799
824void 1800void
825aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1801aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
826 PROTOTYPE: $$$$;$
827 PPCODE: 1802 PPCODE:
828{ 1803{
829 int ifd = s_fileno_croak (in_fh , 0); 1804 int ifd = s_fileno_croak (in_fh , 0);
830 int ofd = s_fileno_croak (out_fh, 1); 1805 int ofd = s_fileno_croak (out_fh, 1);
831 dREQ; 1806 dREQ;
832 1807
833 req->type = EIO_SENDFILE; 1808 req->type = EIO_SENDFILE;
834 req->sv1 = newSVsv (out_fh); 1809 req->sv1 = newSVsv (out_fh);
835 req->int1 = ofd; 1810 req->int1 = ofd;
… …
840 1815
841 REQ_SEND; 1816 REQ_SEND;
842} 1817}
843 1818
844void 1819void
845aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1820aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
846 PROTOTYPE: $$$;$
847 PPCODE: 1821 PPCODE:
848{ 1822{
849 int fd = s_fileno_croak (fh, 0); 1823 int fd = s_fileno_croak (fh, 0);
850 dREQ; 1824 dREQ;
851 1825
852 req->type = EIO_READAHEAD; 1826 req->type = EIO_READAHEAD;
853 req->sv1 = newSVsv (fh); 1827 req->sv1 = newSVsv (fh);
854 req->int1 = fd; 1828 req->int1 = fd;
… …
857 1831
858 REQ_SEND; 1832 REQ_SEND;
859} 1833}
860 1834
861void 1835void
862aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1836aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
863 ALIAS: 1837 ALIAS:
864 aio_stat = EIO_STAT 1838 aio_stat = EIO_STAT
865 aio_lstat = EIO_LSTAT 1839 aio_lstat = EIO_LSTAT
1840 aio_statvfs = EIO_STATVFS
866 PPCODE: 1841 PPCODE:
867{ 1842{
868 dREQ; 1843 dREQ;
869 1844
870 req->sv1 = newSVsv (fh_or_path); 1845 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
871
872 if (SvPOK (req->sv1))
873 {
874 req->type = ix;
875 req->ptr1 = SvPVbyte_nolen (req->sv1);
876 }
877 else
878 {
879 req->type = EIO_FSTAT;
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
881 }
882 1846
883 REQ_SEND; 1847 REQ_SEND;
884} 1848}
885 1849
886void 1850void
1851st_xtime ()
1852 ALIAS:
1853 st_atime = 0x01
1854 st_mtime = 0x02
1855 st_ctime = 0x04
1856 st_btime = 0x08
1857 st_xtime = 0x0f
1858 PPCODE:
1859 EXTEND (SP, 4);
1860 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1861 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1862 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1863 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1864
1865void
1866st_xtimensec ()
1867 ALIAS:
1868 st_atimensec = 0x01
1869 st_mtimensec = 0x02
1870 st_ctimensec = 0x04
1871 st_btimensec = 0x08
1872 st_xtimensec = 0x0f
1873 st_btimesec = 0x10
1874 st_gen = 0x20
1875 PPCODE:
1876 EXTEND (SP, 4);
1877 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1878 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1879 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1880 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1881 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1882 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1883
1884UV
1885major (UV dev)
1886 ALIAS:
1887 minor = 1
1888 CODE:
1889 RETVAL = ix ? minor (dev) : major (dev);
1890 OUTPUT:
1891 RETVAL
1892
1893UV
1894makedev (UV maj, UV min)
1895 CODE:
1896 RETVAL = makedev (maj, min);
1897 OUTPUT:
1898 RETVAL
1899
1900void
887aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1901aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
888 PPCODE: 1902 PPCODE:
889{ 1903{
890 dREQ; 1904 dREQ;
891 1905
892 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1906 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
893 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1907 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
894 req->sv1 = newSVsv (fh_or_path); 1908 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
895
896 if (SvPOK (req->sv1))
897 {
898 req->type = EIO_UTIME;
899 req->ptr1 = SvPVbyte_nolen (req->sv1);
900 }
901 else
902 {
903 req->type = EIO_FUTIME;
904 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
905 }
906 1909
907 REQ_SEND; 1910 REQ_SEND;
908} 1911}
909 1912
910void 1913void
911aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1914aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
912 PPCODE: 1915 PPCODE:
913{ 1916{
914 dREQ; 1917 dREQ;
915 1918
916 req->sv1 = newSVsv (fh_or_path);
917 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1919 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
918 1920 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
919 if (SvPOK (req->sv1))
920 {
921 req->type = EIO_TRUNCATE;
922 req->ptr1 = SvPVbyte_nolen (req->sv1);
923 }
924 else
925 {
926 req->type = EIO_FTRUNCATE;
927 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
928 }
929 1921
930 REQ_SEND; 1922 REQ_SEND;
931} 1923}
932 1924
933void 1925void
934aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1926aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
935 ALIAS:
936 aio_chmod = EIO_CHMOD
937 aio_mkdir = EIO_MKDIR
938 PPCODE: 1927 PPCODE:
939{ 1928{
940 dREQ; 1929 dREQ;
941 1930
942 req->int2 = mode; 1931 req->int2 = mode;
943 req->sv1 = newSVsv (fh_or_path); 1932 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
944
945 if (SvPOK (req->sv1))
946 {
947 req->type = ix;
948 req->ptr1 = SvPVbyte_nolen (req->sv1);
949 }
950 else
951 {
952 req->type = EIO_FCHMOD;
953 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
954 }
955 1933
956 REQ_SEND; 1934 REQ_SEND;
957} 1935}
958 1936
959void 1937void
960aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1938aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
961 PPCODE: 1939 PPCODE:
962{ 1940{
963 dREQ; 1941 dREQ;
964 1942
965 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1943 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
966 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1944 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
967 req->sv1 = newSVsv (fh_or_path); 1945 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
968
969 if (SvPOK (req->sv1))
970 {
971 req->type = EIO_CHOWN;
972 req->ptr1 = SvPVbyte_nolen (req->sv1);
973 }
974 else
975 {
976 req->type = EIO_FCHOWN;
977 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
978 }
979 1946
980 REQ_SEND; 1947 REQ_SEND;
981} 1948}
982 1949
983void 1950void
984aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1951aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
985 PPCODE: 1952 PPCODE:
986{ 1953{
987 dREQ; 1954 dREQ;
988 1955
989 req->type = EIO_READDIR; 1956 req->type = EIO_READDIR;
990 req->sv1 = newSVsv (pathname);
991 req->ptr1 = SvPVbyte_nolen (req->sv1);
992 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1957 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
993 1958
994 if (flags & EIO_READDIR_DENTS) 1959 if (flags & EIO_READDIR_DENTS)
995 req->int1 |= EIO_READDIR_CUSTOM2; 1960 req->int1 |= EIO_READDIR_CUSTOM2;
996 1961
1962 req_set_path1 (req, pathname);
1963
997 REQ_SEND; 1964 REQ_SEND;
998} 1965}
999 1966
1000void 1967void
1968aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1969 PPCODE:
1970{
1971 dREQ;
1972
1973 req->type = EIO_MKDIR;
1974 req->int2 = mode;
1975 req_set_path1 (req, pathname);
1976
1977 REQ_SEND;
1978}
1979
1980void
1001aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1981aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1002 ALIAS: 1982 ALIAS:
1003 aio_unlink = EIO_UNLINK 1983 aio_unlink = EIO_UNLINK
1004 aio_rmdir = EIO_RMDIR 1984 aio_rmdir = EIO_RMDIR
1005 aio_readdir = EIO_READDIR 1985 aio_readdir = EIO_READDIR
1006 PPCODE: 1986 PPCODE:
1007{ 1987{
1008 dREQ; 1988 dREQ;
1009 1989
1010 req->type = ix; 1990 req->type = ix;
1011 req->sv1 = newSVsv (pathname); 1991 req_set_path1 (req, pathname);
1012 req->ptr1 = SvPVbyte_nolen (req->sv1);
1013 1992
1014 REQ_SEND; 1993 REQ_SEND;
1015} 1994}
1016 1995
1017void 1996void
1018aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1997aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1019 ALIAS: 1998 ALIAS:
1020 aio_link = EIO_LINK 1999 aio_link = EIO_LINK
1021 aio_symlink = EIO_SYMLINK 2000 aio_symlink = EIO_SYMLINK
1022 aio_rename = EIO_RENAME 2001 aio_rename = EIO_RENAME
1023 PPCODE: 2002 PPCODE:
1024{ 2003{
2004 eio_wd wd2 = 0;
1025 dREQ; 2005 dREQ;
1026 2006
1027 req->type = ix; 2007 req->type = ix;
1028 req->sv1 = newSVsv (oldpath); 2008 req_set_path1 (req, oldpath);
1029 req->ptr1 = SvPVbyte_nolen (req->sv1); 2009 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1030 req->sv2 = newSVsv (newpath); 2010 req->int3 = (long)wd2;
1031 req->ptr2 = SvPVbyte_nolen (req->sv2);
1032 2011
1033 REQ_SEND; 2012 REQ_SEND;
1034} 2013}
1035 2014
1036void 2015void
2016aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
2017 PPCODE:
2018{
2019 eio_wd wd2 = 0;
2020 dREQ;
2021
2022 req->type = EIO_RENAME;
2023 req_set_path1 (req, oldpath);
2024 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
2025 req->int2 = flags;
2026 req->int3 = (long)wd2;
2027
2028 REQ_SEND;
2029}
2030
2031void
1037aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2032aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1038 PPCODE: 2033 PPCODE:
1039{ 2034{
1040 dREQ; 2035 dREQ;
1041 2036
1042 req->type = EIO_MKNOD; 2037 req->type = EIO_MKNOD;
1043 req->sv1 = newSVsv (pathname);
1044 req->ptr1 = SvPVbyte_nolen (req->sv1);
1045 req->int2 = (mode_t)mode; 2038 req->int2 = (mode_t)mode;
1046 req->offs = dev; 2039 req->offs = dev;
2040 req_set_path1 (req, pathname);
1047 2041
1048 REQ_SEND; 2042 REQ_SEND;
1049} 2043}
1050 2044
1051void 2045void
2046aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
2047 ALIAS:
2048 aio_mtouch = EIO_MTOUCH
2049 aio_msync = EIO_MSYNC
2050 PPCODE:
2051{
2052 STRLEN svlen;
2053 char *svptr = SvPVbyte (data, svlen);
2054 UV len = SvUV (length);
2055
2056 if (flags < 0)
2057 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
2058
2059 if (offset < 0)
2060 offset += svlen;
2061
2062 if (offset < 0 || offset > svlen)
2063 croak ("offset outside of scalar");
2064
2065 if (!SvOK (length) || len + offset > svlen)
2066 len = svlen - offset;
2067
2068 {
2069 dREQ;
2070
2071 req->type = ix;
2072 req->sv2 = SvREFCNT_inc (data);
2073 req->ptr2 = (char *)svptr + offset;
2074 req->size = len;
2075 req->int1 = flags;
2076
2077 REQ_SEND;
2078 }
2079}
2080
2081void
2082aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2083 PPCODE:
2084{
2085 STRLEN svlen;
2086 char *svptr = SvPVbyte (data, svlen);
2087 UV len = SvUV (length);
2088
2089 if (offset < 0)
2090 offset += svlen;
2091
2092 if (offset < 0 || offset > svlen)
2093 croak ("offset outside of scalar");
2094
2095 if (!SvOK (length) || len + offset > svlen)
2096 len = svlen - offset;
2097
2098 {
2099 dREQ;
2100
2101 req->type = EIO_MLOCK;
2102 req->sv2 = SvREFCNT_inc (data);
2103 req->ptr2 = (char *)svptr + offset;
2104 req->size = len;
2105
2106 REQ_SEND;
2107 }
2108}
2109
2110void
2111aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2112 PPCODE:
2113{
2114 dREQ;
2115
2116 req->type = EIO_MLOCKALL;
2117 req->int1 = flags;
2118
2119 REQ_SEND;
2120}
2121
2122void
2123aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2124 PPCODE:
2125{
2126 int fd = s_fileno_croak (fh, 0);
2127 dREQ;
2128
2129 req->type = EIO_CUSTOM;
2130 req->sv1 = newSVsv (fh);
2131 req->int1 = fd;
2132
2133 req->feed = fiemap;
2134#if HAVE_FIEMAP
2135 /* keep our fingers crossed that the next two types are 64 bit */
2136 req->offs = start;
2137 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2138 req->int2 = flags;
2139 req->int3 = SvOK (count) ? SvIV (count) : -1;
2140#endif
2141
2142 REQ_SEND;
2143}
2144
2145void
2146aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2147 PPCODE:
2148{
2149 char *svptr = 0;
2150
2151 sv_clear_foreign (data);
2152
2153 if (length) /* known length, directly read into scalar */
2154 {
2155 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2156 svptr = sv_grow (data, length + 1);
2157 else if (SvCUR (data) < length)
2158 croak ("length outside of scalar, and cannot grow");
2159 else
2160 svptr = SvPVbyte_nolen (data);
2161 }
2162
2163 {
2164 dREQ;
2165
2166 req->type = EIO_SLURP;
2167 req_set_path1 (req, pathname);
2168 req->offs = offset;
2169 req->size = length;
2170 req->sv2 = SvREFCNT_inc (data);
2171 req->ptr2 = svptr;
2172
2173 if (!SvREADONLY (data))
2174 {
2175 SvREADONLY_on (data);
2176 req->flags |= FLAG_SV2_RO_OFF;
2177 }
2178
2179 REQ_SEND;
2180 }
2181}
2182
2183void
1052aio_busy (double delay, SV *callback=&PL_sv_undef) 2184aio_busy (double delay, SV *callback = &PL_sv_undef)
1053 PPCODE: 2185 PPCODE:
1054{ 2186{
1055 dREQ; 2187 dREQ;
1056 2188
1057 req->type = EIO_BUSY; 2189 req->type = EIO_BUSY;
… …
1059 2191
1060 REQ_SEND; 2192 REQ_SEND;
1061} 2193}
1062 2194
1063void 2195void
1064aio_group (SV *callback=&PL_sv_undef) 2196aio_group (SV *callback = &PL_sv_undef)
1065 PROTOTYPE: ;$
1066 PPCODE: 2197 PPCODE:
1067{ 2198{
1068 dREQ; 2199 dREQ;
1069 2200
1070 req->type = EIO_GROUP; 2201 req->type = EIO_GROUP;
1071 2202
2203 PUTBACK;
1072 req_submit (req); 2204 req_submit (req);
2205 SPAGAIN;
2206
1073 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2207 XPUSHs (req_sv (req, aio_grp_stash));
1074} 2208}
1075 2209
1076void 2210void
1077aio_nop (SV *callback=&PL_sv_undef) 2211aio_nop (SV *callback = &PL_sv_undef)
1078 ALIAS: 2212 ALIAS:
1079 aio_nop = EIO_NOP 2213 aio_nop = EIO_NOP
1080 aio_sync = EIO_SYNC 2214 aio_sync = EIO_SYNC
1081 PPCODE: 2215 PPCODE:
1082{ 2216{
… …
1086 2220
1087 REQ_SEND; 2221 REQ_SEND;
1088} 2222}
1089 2223
1090int 2224int
1091aioreq_pri (int pri = 0) 2225aioreq_pri (int pri = NO_INIT)
1092 PROTOTYPE: ;$
1093 CODE: 2226 CODE:
1094 RETVAL = next_pri; 2227 RETVAL = next_pri;
1095 if (items > 0) 2228 if (items > 0)
1096 { 2229 {
1097 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2230 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1109 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2242 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1110 next_pri = nice; 2243 next_pri = nice;
1111 2244
1112void 2245void
1113flush () 2246flush ()
1114 PROTOTYPE:
1115 CODE: 2247 CODE:
1116 while (eio_nreqs ()) 2248 while (eio_nreqs ())
1117 { 2249 {
1118 poll_wait (); 2250 poll_wait ();
1119 poll_cb (); 2251 poll_cb ();
1120 } 2252 }
1121 2253
1122int 2254int
1123poll() 2255poll ()
1124 PROTOTYPE:
1125 CODE: 2256 CODE:
1126 poll_wait (); 2257 poll_wait ();
1127 RETVAL = poll_cb (); 2258 RETVAL = poll_cb ();
1128 OUTPUT: 2259 OUTPUT:
1129 RETVAL 2260 RETVAL
1130 2261
1131int 2262int
1132poll_fileno() 2263poll_fileno ()
1133 PROTOTYPE:
1134 CODE: 2264 CODE:
1135 RETVAL = respipe [0]; 2265 RETVAL = s_epipe_fd (&respipe);
1136 OUTPUT: 2266 OUTPUT:
1137 RETVAL 2267 RETVAL
1138 2268
1139int 2269int
1140poll_cb(...) 2270poll_cb (...)
1141 PROTOTYPE: 2271 PROTOTYPE:
1142 CODE: 2272 CODE:
1143 RETVAL = poll_cb (); 2273 RETVAL = poll_cb ();
1144 OUTPUT: 2274 OUTPUT:
1145 RETVAL 2275 RETVAL
1146 2276
1147void 2277void
1148poll_wait() 2278poll_wait ()
1149 PROTOTYPE:
1150 CODE: 2279 CODE:
1151 poll_wait (); 2280 poll_wait ();
1152 2281
1153int 2282int
1154nreqs() 2283nreqs ()
1155 PROTOTYPE:
1156 CODE: 2284 CODE:
1157 RETVAL = eio_nreqs (); 2285 RETVAL = eio_nreqs ();
1158 OUTPUT: 2286 OUTPUT:
1159 RETVAL 2287 RETVAL
1160 2288
1161int 2289int
1162nready() 2290nready ()
1163 PROTOTYPE:
1164 CODE: 2291 CODE:
1165 RETVAL = eio_nready (); 2292 RETVAL = eio_nready ();
1166 OUTPUT: 2293 OUTPUT:
1167 RETVAL 2294 RETVAL
1168 2295
1169int 2296int
1170npending() 2297npending ()
1171 PROTOTYPE:
1172 CODE: 2298 CODE:
1173 RETVAL = eio_npending (); 2299 RETVAL = eio_npending ();
1174 OUTPUT: 2300 OUTPUT:
1175 RETVAL 2301 RETVAL
1176 2302
1177int 2303int
1178nthreads() 2304nthreads ()
1179 PROTOTYPE:
1180 CODE: 2305 CODE:
1181 RETVAL = eio_nthreads (); 2306 RETVAL = eio_nthreads ();
1182 OUTPUT: 2307 OUTPUT:
1183 RETVAL 2308 RETVAL
1184 2309
1185int 2310int
1186fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2311fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1187 PROTOTYPE: $$$$
1188 CODE: 2312 CODE:
1189#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1190 RETVAL = posix_fadvise (fh, offset, length, advice); 2313 RETVAL = posix_fadvise (fh, offset, length, advice);
1191#else
1192 RETVAL = errno = ENOSYS;
1193#endif
1194 OUTPUT: 2314 OUTPUT:
1195 RETVAL 2315 RETVAL
1196 2316
2317IV
2318sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2319 CODE:
2320 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2321 OUTPUT:
2322 RETVAL
2323
2324void
2325mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2326 PPCODE:
2327 sv_clear_foreign (scalar);
2328{
2329 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2330 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2331 if (addr == (void *)-1)
2332 XSRETURN_NO;
2333
2334 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2335
2336 if (!(prot & PROT_WRITE))
2337 SvREADONLY_on (scalar);
2338
2339 XSRETURN_YES;
2340}
2341
2342void
2343munmap (SV *scalar)
2344 CODE:
2345 sv_clear_foreign (scalar);
2346
2347SV *
2348mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2349 CODE:
2350{
2351 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2352 void *new;
2353
2354 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2355 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2356
2357 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2358
2359 RETVAL = &PL_sv_no;
2360
2361 if (new != (void *)-1)
2362 {
2363 RETVAL = new == (void *)mg->mg_ptr
2364 ? newSVpvn ("0 but true", 10)
2365 : &PL_sv_yes;
2366
2367 mg->mg_ptr = (char *)new;
2368 mg->mg_obj = (SV *)new_length;
2369
2370 SvPVX (scalar) = mg->mg_ptr;
2371 SvCUR_set (scalar, new_length);
2372 }
2373}
2374 OUTPUT:
2375 RETVAL
2376
2377int
2378madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2379 ALIAS:
2380 mprotect = 1
2381 CODE:
2382{
2383 STRLEN svlen;
2384 void *addr = SvPVbyte (scalar, svlen);
2385 STRLEN len = SvUV (length);
2386
2387 if (offset < 0)
2388 offset += svlen;
2389
2390 if (offset < 0 || offset > svlen)
2391 croak ("offset outside of scalar");
2392
2393 if (!SvOK (length) || len + offset > svlen)
2394 len = svlen - offset;
2395
2396 addr = (void *)(((intptr_t)addr) + offset);
2397 eio_page_align (&addr, &len);
2398
2399 switch (ix)
2400 {
2401 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2402 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2403 }
2404}
2405 OUTPUT:
2406 RETVAL
2407
2408int
2409munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2410 CODE:
2411{
2412 STRLEN svlen;
2413 void *addr = SvPVbyte (scalar, svlen);
2414 size_t len = SvUV (length);
2415
2416 if (offset < 0)
2417 offset += svlen;
2418
2419 if (offset < 0 || offset > svlen)
2420 croak ("offset outside of scalar");
2421
2422 if (!SvOK (length) || len + offset > svlen)
2423 len = svlen - offset;
2424
2425 addr = (void *)(((intptr_t)addr) + offset);
2426 eio_page_align (&addr, &len);
2427#if _POSIX_MEMLOCK_RANGE
2428 RETVAL = munlock (addr, len);
2429#else
2430 RETVAL = EIO_ENOSYS ();
2431#endif
2432}
2433 OUTPUT:
2434 RETVAL
2435
2436int
2437mlockall (int flags)
2438 PROTOTYPE: $;
2439 CODE:
2440 RETVAL = eio_mlockall_sync (flags);
2441 OUTPUT:
2442 RETVAL
2443
2444int
2445munlockall ()
2446 CODE:
2447#if _POSIX_MEMLOCK
2448 munlockall ();
2449#else
2450 RETVAL = EIO_ENOSYS ();
2451#endif
2452 OUTPUT:
2453 RETVAL
2454
2455int
2456statx (SV8 *pathname, int flags, UV mask)
2457 CODE:
2458{
2459 /* undocumented, and might go away, and anyway, should use eio_statx */
2460 SV *wdsv = 0;
2461 SV *pathsv = 0;
2462 eio_wd wd = EIO_CWD;
2463 void *ptr;
2464 int res;
2465
2466 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2467 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2468
2469 SvREFCNT_dec (pathsv);
2470 SvREFCNT_dec (wdsv);
2471}
2472 OUTPUT:
2473 RETVAL
2474
2475U32
2476stx_mode ()
2477 PROTOTYPE:
2478 CODE:
2479#if HAVE_STATX
2480 RETVAL = stx.stx_mode;
2481#else
2482 XSRETURN_UNDEF;
2483#endif
2484 OUTPUT:
2485 RETVAL
2486
2487#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2488#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2489#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2490#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2491#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2492#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2493#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2494#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2495#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2496#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2497#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2498#define STATX_OFFSET_size statx_offsetof (stx_size)
2499#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2500#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2501#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2502#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2503#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2504#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2505
2506U32
2507stx_mask ()
2508 PROTOTYPE:
2509 ALIAS:
2510 stx_mask = STATX_OFFSET_mask
2511 stx_blksize = STATX_OFFSET_blksize
2512 stx_nlink = STATX_OFFSET_nlink
2513 stx_uid = STATX_OFFSET_uid
2514 stx_gid = STATX_OFFSET_gid
2515 stx_rdev_major = STATX_OFFSET_rdev_major
2516 stx_rdev_minor = STATX_OFFSET_rdev_minor
2517 stx_dev_major = STATX_OFFSET_dev_major
2518 stx_dev_minor = STATX_OFFSET_dev_minor
2519 CODE:
2520#if HAVE_STATX
2521 RETVAL = *(__u32 *)((char *)&stx + ix);
2522#else
2523 XSRETURN_UNDEF;
2524#endif
2525 OUTPUT:
2526 RETVAL
2527
2528VAL64
2529stx_attributes ()
2530 PROTOTYPE:
2531 ALIAS:
2532 stx_attributes = STATX_OFFSET_attributes
2533 stx_ino = STATX_OFFSET_ino
2534 stx_size = STATX_OFFSET_size
2535 stx_blocks = STATX_OFFSET_blocks
2536 stx_attributes_mask = STATX_OFFSET_attributes_mask
2537 CODE:
2538#if HAVE_STATX
2539 RETVAL = *(__u64 *)((char *)&stx + ix);
2540#else
2541 XSRETURN_UNDEF;
2542#endif
2543 OUTPUT:
2544 RETVAL
2545
2546NV
2547stx_atime ()
2548 PROTOTYPE:
2549 ALIAS:
2550 stx_atime = STATX_OFFSET_atime
2551 stx_btime = STATX_OFFSET_btime
2552 stx_ctime = STATX_OFFSET_ctime
2553 stx_mtime = STATX_OFFSET_mtime
2554 CODE:
2555#if HAVE_STATX
2556 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2557 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2558#else
2559 XSRETURN_UNDEF;
2560#endif
2561 OUTPUT:
2562 RETVAL
2563
2564VAL64
2565stx_atimesec ()
2566 PROTOTYPE:
2567 ALIAS:
2568 stx_atimesec = STATX_OFFSET_atime
2569 stx_btimesec = STATX_OFFSET_btime
2570 stx_ctimesec = STATX_OFFSET_ctime
2571 stx_mtimesec = STATX_OFFSET_mtime
2572 CODE:
2573#if HAVE_STATX
2574 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2575 RETVAL = ts->tv_sec;
2576#else
2577 XSRETURN_UNDEF;
2578#endif
2579 OUTPUT:
2580 RETVAL
2581
2582U32
2583stx_atimensec ()
2584 PROTOTYPE:
2585 ALIAS:
2586 stx_atimensec = STATX_OFFSET_atime
2587 stx_btimensec = STATX_OFFSET_btime
2588 stx_ctimensec = STATX_OFFSET_ctime
2589 stx_mtimensec = STATX_OFFSET_mtime
2590 CODE:
2591#if HAVE_STATX
2592 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2593 RETVAL = ts->tv_nsec;
2594#else
2595 RETVAL = 0;
2596#endif
2597 OUTPUT:
2598 RETVAL
2599
2600void
2601accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2602 PPCODE:
2603{
2604 SV *retval;
2605#if HAVE_ACCEPT4
2606 socklen_t salen_ = salen ? salen + 1 : 0;
2607
2608 if (salen)
2609 {
2610 sv_upgrade (sockaddr, SVt_PV);
2611 sv_grow (sockaddr, salen_);
2612 }
2613
2614 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2615
2616 retval = newmortalFH (res, O_RDWR);
2617
2618 if (res >= 0 && salen > 0)
2619 {
2620 if (salen_ > salen + 1)
2621 salen_ = salen + 1;
2622
2623 SvPOK_only (sockaddr);
2624 SvCUR_set (sockaddr, salen_);
2625 }
2626#else
2627 errno = ENOSYS;
2628 retval = &PL_sv_undef;
2629#endif
2630 XPUSHs (retval);
2631}
2632
1197ssize_t 2633ssize_t
1198sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2634splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1199 PROTOTYPE: $$$$
1200 CODE: 2635 CODE:
1201 eio_sendfile_sync (ofh, ifh, offset, count); 2636{
2637#if HAVE_LINUX_SPLICE
2638 loff_t off_in_, off_out_;
2639 RETVAL = splice (
2640 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2641 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2642 length, flags
2643 );
2644#else
2645 RETVAL = EIO_ENOSYS ();
2646#endif
2647}
2648 OUTPUT:
2649 RETVAL
2650
2651ssize_t
2652tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2653 CODE:
2654#if HAVE_LINUX_SPLICE
2655 RETVAL = tee (rfh, wfh, length, flags);
2656#else
2657 RETVAL = EIO_ENOSYS ();
2658#endif
2659 OUTPUT:
2660 RETVAL
2661
2662int
2663pipesize (aio_rfd rfh, int new_size = -1)
2664 PROTOTYPE: $;$
2665 CODE:
2666#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2667 if (new_size >= 0)
2668 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2669 else
2670 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2671#else
2672 errno = ENOSYS;
2673 RETVAL = -1;
2674#endif
2675 OUTPUT:
2676 RETVAL
2677
2678void
2679pipe2 (int flags = 0)
2680 PROTOTYPE: ;$
2681 PPCODE:
2682{
2683 int fd[2];
2684 int res;
2685
2686 if (flags)
2687#if HAVE_PIPE2
2688 res = pipe2 (fd, flags);
2689#else
2690 res = (errno = ENOSYS, -1);
2691#endif
2692 else
2693 res = pipe (fd);
2694
2695 if (!res)
2696 {
2697 EXTEND (SP, 2);
2698 PUSHs (newmortalFH (fd[0], O_RDONLY));
2699 PUSHs (newmortalFH (fd[1], O_WRONLY));
2700 }
2701}
2702
2703void
2704pidfd_open (int pid, unsigned int flags = 0)
2705 PPCODE:
2706{
2707 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2708 int fd = syscall (SYS_pidfd_open, pid, flags);
2709 XPUSHs (newmortalFH (fd, O_RDWR));
2710}
2711
2712int
2713pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2714 PPCODE:
2715{
2716 int res;
2717#if HAVE_SIGINFO_T
2718 siginfo_t si = { 0 };
2719
2720 if (SvOK (siginfo))
2721 {
2722 HV *hv;
2723 SV **svp;
2724
2725 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2726 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2727
2728 hv = (HV *)SvRV (siginfo);
2729
2730 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2731 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2732 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2733 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2734 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2735 }
2736
2737 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2738 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2739#else
2740 res = (errno = ENOSYS, -1);
2741#endif
2742
2743 XPUSHs (sv_2mortal (newSViv (res)));
2744}
2745
2746void
2747pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2748 PPCODE:
2749{
2750 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2751 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2752 XPUSHs (newmortalFH (fd, O_RDWR));
2753}
2754
2755void
2756eventfd (unsigned int initval = 0, int flags = 0)
2757 PPCODE:
2758{
2759 int fd;
2760#if HAVE_EVENTFD
2761 fd = eventfd (initval, flags);
2762#else
2763 fd = (errno = ENOSYS, -1);
2764#endif
2765
2766 XPUSHs (newmortalFH (fd, O_RDWR));
2767}
2768
2769void
2770timerfd_create (int clockid, int flags = 0)
2771 PPCODE:
2772{
2773 int fd;
2774#if HAVE_TIMERFD
2775 fd = timerfd_create (clockid, flags);
2776#else
2777 fd = (errno = ENOSYS, -1);
2778#endif
2779
2780 XPUSHs (newmortalFH (fd, O_RDWR));
2781}
2782
2783void
2784timerfd_settime (SV *fh, int flags, NV interval, NV value)
2785 PPCODE:
2786{
2787 int fd = s_fileno_croak (fh, 0);
2788#if HAVE_TIMERFD
2789 int res;
2790 struct itimerspec its, ots;
2791
2792 ts_set (&its.it_interval, interval);
2793 ts_set (&its.it_value , value);
2794 res = timerfd_settime (fd, flags, &its, &ots);
2795
2796 if (!res)
2797 {
2798 EXTEND (SP, 2);
2799 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2800 PUSHs (newSVnv (ts_get (&ots.it_value)));
2801 }
2802#else
2803 errno = ENOSYS;
2804#endif
2805}
2806
2807void
2808timerfd_gettime (SV *fh)
2809 PPCODE:
2810{
2811 int fd = s_fileno_croak (fh, 0);
2812#if HAVE_TIMERFD
2813 int res;
2814 struct itimerspec ots;
2815 res = timerfd_gettime (fd, &ots);
2816
2817 if (!res)
2818 {
2819 EXTEND (SP, 2);
2820 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2821 PUSHs (newSVnv (ts_get (&ots.it_value)));
2822 }
2823#else
2824 errno = ENOSYS;
2825#endif
2826}
2827
2828void
2829memfd_create (SV8 *pathname, int flags = 0)
2830 PPCODE:
2831{
2832 int fd;
2833#if HAVE_MEMFD_CREATE
2834 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2835#else
2836 fd = (errno = ENOSYS, -1);
2837#endif
2838
2839 XPUSHs (newmortalFH (fd, O_RDWR));
2840}
2841
2842int
2843fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2844 CODE:
2845{
2846 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2847 char **envp, **argv;
2848 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2849 if (!SvOK (envs))
2850 {
2851 extern char **environ;
2852 envp = environ;
2853 }
2854 else
2855 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2856#if _POSIX_VERSION >= 200809L
2857 RETVAL = fexecve (fd, argv, envp);
2858#else
2859 RETVAL = (errno = ENOSYS, -1);
2860#endif
2861}
2862 OUTPUT: RETVAL
2863
2864UV
2865get_fdlimit ()
2866 CODE:
2867#if HAVE_RLIMITS
2868 struct rlimit rl;
2869 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2870 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2871#endif
2872 XSRETURN_UNDEF;
2873 OUTPUT:
2874 RETVAL
2875
2876void
2877min_fdlimit (UV limit = 0x7fffffffU)
2878 CODE:
2879{
2880#if HAVE_RLIMITS
2881 struct rlimit rl;
2882 rlim_t orig_rlim_max;
2883 UV bit;
2884
2885 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2886 goto fail;
2887
2888 if (rl.rlim_cur == RLIM_INFINITY)
2889 XSRETURN_YES;
2890
2891 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2892
2893 if (rl.rlim_cur < limit)
2894 {
2895 rl.rlim_cur = limit;
2896
2897 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2898 rl.rlim_max = rl.rlim_cur;
2899 }
2900
2901 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2902 XSRETURN_YES;
2903
2904 if (errno == EPERM)
2905 {
2906 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2907 /* our limit overflows a system-wide limit */
2908 /* try an adaptive algorithm, but do not lower the hardlimit */
2909 rl.rlim_max = 0;
2910 for (bit = 0x40000000U; bit; bit >>= 1)
2911 {
2912 rl.rlim_max |= bit;
2913 rl.rlim_cur = rl.rlim_max;
2914
2915 /* never decrease the hard limit */
2916 if (rl.rlim_max < orig_rlim_max)
2917 break;
2918
2919 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2920 rl.rlim_max &= ~bit; /* too high, remove bit again */
2921 }
2922
2923 /* now, raise the soft limit to the max permitted */
2924 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2925 {
2926 rl.rlim_cur = rl.rlim_max;
2927 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2928 errno = EPERM;
2929 }
2930 }
2931#endif
2932 fail:
2933 XSRETURN_UNDEF;
2934}
1202 2935
1203void _on_next_submit (SV *cb) 2936void _on_next_submit (SV *cb)
1204 CODE: 2937 CODE:
1205 SvREFCNT_dec (on_next_submit); 2938 SvREFCNT_dec (on_next_submit);
1206 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2939 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1207 2940
1208PROTOTYPES: DISABLE 2941PROTOTYPES: DISABLE
1209 2942
2943MODULE = IO::AIO PACKAGE = IO::AIO::WD
2944
2945BOOT:
2946{
2947 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2948 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2949}
2950
2951void
2952DESTROY (SV *self)
2953 CODE:
2954{
2955 aio_wd wd = SvAIO_WD (self);
2956#if HAVE_AT
2957 {
2958 SV *callback = &PL_sv_undef;
2959 dREQ; /* clobbers next_pri :/ */
2960 next_pri = req->pri; /* restore next_pri */
2961 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2962 req->type = EIO_WD_CLOSE;
2963 req->wd = wd;
2964 REQ_SEND;
2965 }
2966#else
2967 eio_wd_close_sync (wd);
2968#endif
2969}
2970
1210MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2971MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1211 2972
1212void 2973void
1213cancel (aio_req_ornot req) 2974cancel (aio_req_ornot req)
1214 CODE: 2975 CODE:
1215 eio_cancel (req); 2976 eio_cancel (req);
1216 2977
1217void 2978void
1218cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2979cb (aio_req_ornot req, SV *callback = NO_INIT)
1219 PPCODE: 2980 PPCODE:
1220{ 2981{
1221 if (GIMME_V != G_VOID) 2982 if (GIMME_V != G_VOID)
1222 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2983 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1223 2984
… …
1288limit (aio_req grp, int limit) 3049limit (aio_req grp, int limit)
1289 CODE: 3050 CODE:
1290 eio_grp_limit (grp, limit); 3051 eio_grp_limit (grp, limit);
1291 3052
1292void 3053void
1293feed (aio_req grp, SV *callback=&PL_sv_undef) 3054feed (aio_req grp, SV *callback = &PL_sv_undef)
1294 CODE: 3055 CODE:
1295{ 3056{
1296 SvREFCNT_dec (grp->sv2); 3057 SvREFCNT_dec (grp->sv2);
1297 grp->sv2 = newSVsv (callback); 3058 grp->sv2 = newSVsv (callback);
1298 grp->feed = aio_grp_feed; 3059 grp->feed = aio_grp_feed;

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