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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.149 by root, Tue Jun 30 07:33:58 2009 UTC vs.
Revision 1.296 by root, Mon Sep 5 08:43:58 2022 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
9
10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
8 13
9#include <stddef.h> 14#include <stddef.h>
10#include <stdlib.h> 15#include <stdlib.h>
11#include <errno.h> 16#include <errno.h>
12#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
13#include <sys/stat.h> 19#include <sys/stat.h>
14#include <limits.h> 20#include <limits.h>
15#include <fcntl.h> 21#include <fcntl.h>
16#include <sched.h> 22#include <sched.h>
17 23
18/* perl namespace pollution */ 24/* perl namespace pollution */
19#undef VERSION 25#undef VERSION
20
21#ifdef _WIN32
22
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions
28# undef open
29# undef read
30# undef write
31# undef send
32# undef recv
33# undef stat
34# undef fstat
35# define lstat stat
36# undef truncate
37# undef ftruncate
38# undef open
39# undef close
40# undef unlink
41# undef rmdir
42# undef rename
43# undef lseek
44
45# define chown(a,b,c) (errno = ENOSYS, -1)
46# define fchown(a,b,c) (errno = ENOSYS, -1)
47# define fchmod(a,b) (errno = ENOSYS, -1)
48# define symlink(a,b) (errno = ENOSYS, -1)
49# define readlink(a,b,c) (errno = ENOSYS, -1)
50# define mknod(a,b,c) (errno = ENOSYS, -1)
51# define truncate(a,b) (errno = ENOSYS, -1)
52# define ftruncate(fd,o) chsize ((fd), (o))
53# define fsync(fd) _commit (fd)
54# define opendir(fd) (errno = ENOSYS, 0)
55# define readdir(fd) (errno = ENOSYS, -1)
56# define closedir(fd) (errno = ENOSYS, -1)
57# define mkdir(a,b) mkdir (a)
58
59#else
60
61# include <sys/time.h>
62# include <sys/select.h>
63# include <unistd.h>
64# include <utime.h>
65# include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67
68#endif
69 26
70/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
71/* with thread-unsafe versions, imagine that :( */ 28/* with thread-unsafe versions, imagine that :( */
72#undef readdir 29#undef readdir
73#undef opendir 30#undef opendir
74#undef closedir 31#undef closedir
75 32
33#ifdef _WIN32
34
35 // perl overrides all those nice libc functions
36
37 #undef malloc
38 #undef free
39 #undef open
40 #undef read
41 #undef write
42 #undef send
43 #undef recv
44 #undef stat
45 #undef lstat
46 #undef fstat
47 #undef truncate
48 #undef ftruncate
49 #undef open
50 #undef link
51 #undef close
52 #undef unlink
53 #undef mkdir
54 #undef rmdir
55 #undef rename
56 #undef lseek
57 #undef opendir
58 #undef readdir
59 #undef closedir
60 #undef chmod
61 #undef fchmod
62 #undef dup
63 #undef dup2
64 #undef abort
65 #undef pipe
66 #undef utime
67
68 #define EIO_STRUCT_STAT struct _stati64
76#define EIO_STRUCT_STAT Stat_t 69 #define EIO_STRUCT_STATI64
77 70
78/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8
80# define VAL64 IV
81# define SvVAL64 SvIV
82# define newSVval64 newSViv
83#else 71#else
84# define VAL64 NV 72
85# define SvVAL64 SvNV 73 #include <sys/time.h>
86# define newSVval64 newSVnv 74 #include <sys/select.h>
75 #include <sys/wait.h>
76 #include <unistd.h>
77 #include <utime.h>
78 #include <signal.h>
79
80 #define EIO_STRUCT_STAT Stat_t
81
87#endif 82#endif
88 83
89/*****************************************************************************/ 84/*****************************************************************************/
90 85
91#if __GNUC__ >= 3 86#if __GNUC__ >= 3
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 92#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 93#define expect_true(expr) expect ((expr) != 0, 1)
99 94
100/*****************************************************************************/ 95/*****************************************************************************/
101 96
102static HV *stash; 97#include "config.h"
98
99#if HAVE_SYS_MKDEV_H
100# include <sys/mkdev.h>
101#elif HAVE_SYS_SYSMACROS_H
102# include <sys/sysmacros.h>
103#endif
104
105#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
106# include <sys/mman.h>
107#endif
108
109#if HAVE_SYS_UIO_H
110# include <sys/uio.h>
111#endif
112
113/* MUST be included before linux/fs.h, as the latter includes
114 * linux/mount.h, which is incompatible to sys/mount.h
115 */
116#if HAVE_SYS_MOUNT_H
117# include <sys/mount.h>
118#endif
119
120/* the incompetent fool that created musl keeps __linux__, refuses
121 * to implement any linux standard apis, and also has no way to test
122 * for his broken implementation. don't complain to me if this fails
123 * for you.
124 */
125#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
126# include <linux/fs.h> /* MUST be included after sys/mount.h */
127# ifdef FS_IOC_FIEMAP
128# include <linux/types.h>
129# include <linux/fiemap.h>
130# undef HAVE_FIEMAP
131# define HAVE_FIEMAP 1
132# endif
133#endif
134
135#if HAVE_ST_XTIMENSEC
136# define ATIMENSEC PL_statcache.st_atimensec
137# define MTIMENSEC PL_statcache.st_mtimensec
138# define CTIMENSEC PL_statcache.st_ctimensec
139#elif HAVE_ST_XTIMESPEC
140# define ATIMENSEC PL_statcache.st_atim.tv_nsec
141# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
142# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
143#else
144# define ATIMENSEC 0
145# define MTIMENSEC 0
146# define CTIMENSEC 0
147#endif
148
149#if HAVE_ST_BIRTHTIMENSEC
150# define BTIMESEC PL_statcache.st_birthtime
151# define BTIMENSEC PL_statcache.st_birthtimensec
152#elif HAVE_ST_BIRTHTIMESPEC
153# define BTIMESEC PL_statcache.st_birthtim.tv_sec
154# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
155#else
156# define BTIMESEC 0
157# define BTIMENSEC 0
158#endif
159
160#if HAVE_ST_GEN
161# define ST_GEN PL_statcache.st_gen
162#else
163# define ST_GEN 0
164#endif
165
166#include "schmorp.h"
167
168#if HAVE_EVENTFD
169# include <sys/eventfd.h>
170#endif
171
172#if HAVE_TIMERFD
173# include <sys/timerfd.h>
174#endif
175
176#if HAVE_RLIMITS
177 #include <sys/time.h>
178 #include <sys/resource.h>
179#endif
180
103typedef SV SV8; /* byte-sv, used for argument-checking */ 181typedef SV SV8; /* byte-sv, used for argument-checking */
182typedef char *octet_string;
183typedef char *octet_string_ornull;
104typedef int aio_rfd; /* read file desriptor */ 184typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 185typedef int aio_wfd; /* write file descriptor */
106 186
107#define AIO_REQ_KLASS "IO::AIO::REQ" 187static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 188
110#define EIO_REQ_MEMBERS \ 189#define EIO_REQ_MEMBERS \
111 SV *callback; \ 190 SV *callback; \
112 SV *sv1, *sv2; \ 191 SV *sv1, *sv2; \
192 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 193 STRLEN stroffset; \
114 SV *self; 194 SV *self;
115 195
116#define EIO_NO_WRAPPERS 1 196#define EIO_NO_WRAPPERS 1
117 197
118#include "libeio/eio.h" 198#include "libeio/eio.h"
119
120#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0
122# define NO_FADVISE 1
123#endif
124
125#ifndef POSIX_FADV_SEQUENTIAL
126# define POSIX_FADV_SEQUENTIAL 0
127#endif
128
129#ifndef POSIX_FADV_RANDOM
130# define POSIX_FADV_RANDOM 0
131#endif
132
133#ifndef POSIX_FADV_NOREUSE
134# define POSIX_FADV_NOREUSE 0
135#endif
136
137#ifndef POSIX_FADV_WILLNEED
138# define POSIX_FADV_WILLNEED 0
139#endif
140
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 199
145static int req_invoke (eio_req *req); 200static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 201#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 202static void req_destroy (eio_req *grp);
148#define EIO_DESTROY(req) req_destroy (req) 203#define EIO_DESTROY(req) req_destroy (req)
149 204
205#include "libeio/eio.c"
206
207#if !HAVE_POSIX_FADVISE
208# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
209#endif
210
211#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef MAP_ANONYMOUS
216# ifdef MAP_ANON
217# define MAP_ANONYMOUS MAP_ANON
218# else
219# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
220# endif
221#endif
222
223#ifndef makedev
224# define makedev(maj,min) (((maj) << 8) | (min))
225#endif
226#ifndef major
227# define major(dev) ((dev) >> 8)
228#endif
229#ifndef minor
230# define minor(dev) ((dev) & 0xff)
231#endif
232
233/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
234#ifdef __sun
235# undef PAGESIZE
236#endif
237
238#if PAGESIZE <= 0
239# define PAGESIZE sysconf (_SC_PAGESIZE)
240#endif
241
242/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
243#ifdef __sun
244# undef HAVE_SYSCALL
245#endif
246
247#if HAVE_SYSCALL
248#include <sys/syscall.h>
249#else
250# define syscall(nr,...) (errno = ENOSYS, -1)
251#endif
252
253/*****************************************************************************/
254
255#if !_POSIX_MAPPED_FILES
256# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
257# define munmap(addr,length) EIO_ENOSYS ()
258#endif
259
260#if !_POSIX_MEMORY_PROTECTION
261# define mprotect(addr,len,prot) EIO_ENOSYS ()
262#endif
263
264#if !MREMAP_MAYMOVE
265# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
266#endif
267
268#define FOREIGN_MAGIC PERL_MAGIC_ext
269
270static int ecb_cold
271mmap_free (pTHX_ SV *sv, MAGIC *mg)
272{
273 int old_errno = errno;
274 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
275 errno = old_errno;
276
277 mg->mg_obj = 0; /* just in case */
278
279 SvREADONLY_off (sv);
280
281 if (SvPVX (sv) != mg->mg_ptr)
282 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
283
284 SvCUR_set (sv, 0);
285 SvPVX (sv) = 0;
286 SvOK_off (sv);
287
288 return 0;
289}
290
291static MGVTBL mmap_vtbl = {
292 0, 0, 0, 0, mmap_free
293};
294
295static int ecb_cold
296sysfree_free (pTHX_ SV *sv, MAGIC *mg)
297{
298 free (mg->mg_ptr);
299 mg->mg_obj = 0; /* just in case */
300
301 SvREADONLY_off (sv);
302
303 if (SvPVX (sv) != mg->mg_ptr)
304 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
305
306 SvCUR_set (sv, 0);
307 SvPVX (sv) = 0;
308 SvOK_off (sv);
309
310 return 0;
311}
312
313static MGVTBL sysfree_vtbl = {
314 0, 0, 0, 0, sysfree_free
315};
316
317/*****************************************************************************/
318
319/* helper: set scalar to foreign ptr with custom free */
320ecb_noinline
321static void
322sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
323{
324 sv_force_normal (sv);
325
326 /* we store the length in mg_obj, as namlen is I32 :/ */
327 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
328 ->mg_obj = (SV *)length;
329
330 SvUPGRADE (sv, SVt_PV); /* nop... */
331
332 if (SvLEN (sv))
333 Safefree (SvPVX (sv));
334
335 SvPVX (sv) = (char *)addr;
336 SvCUR_set (sv, length);
337 SvLEN_set (sv, 0);
338 SvPOK_only (sv);
339}
340
341static void
342sv_clear_foreign (SV *sv)
343{
344 /* todo: iterate over magic and only free ours, but of course */
345 /* the perl5porters will call that (correct) behaviour buggy */
346 sv_unmagic (sv, FOREIGN_MAGIC);
347}
348
349/*****************************************************************************/
350
351/* defines all sorts of constants to 0 unless they are already defined */
352/* also provides const_iv_ and const_niv_ macros for them */
353#include "def0.h"
354
355/*****************************************************************************/
356
357static void
358fiemap (eio_req *req)
359{
360 req->result = -1;
361
362#if HAVE_FIEMAP
363 /* assume some c99 */
364 struct fiemap *fiemap = 0;
365 size_t end_offset;
366 int count = req->int3;
367
368 req->flags |= EIO_FLAG_PTR1_FREE;
369
370 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
371 /* increase in fixed steps */
372 if (count < 0)
373 count = 8;
374
375 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
376 errno = ENOMEM;
377 if (!fiemap)
378 return;
379
380 req->ptr1 = fiemap;
381
382 fiemap->fm_start = req->offs;
383 fiemap->fm_length = req->size;
384 fiemap->fm_flags = req->int2;
385 fiemap->fm_extent_count = count;
386
387 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
388 return;
389
390 if (req->int3 >= 0 /* not autosizing */
391 || !fiemap->fm_mapped_extents /* no more extents */
392 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
393 goto done;
394
395 /* else we have to loop -
396 * it would be tempting (actually I tried that first) to just query the
397 * number of extents needed, but linux often feels like not returning all
398 * extents, without telling us it left any out. this complicates
399 * this quite a bit.
400 */
401
402 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
403
404 for (;;)
405 {
406 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
407 char scratch[3072];
408 struct fiemap *incmap = (struct fiemap *)scratch;
409
410 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
411 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
412 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
413 incmap->fm_flags = fiemap->fm_flags;
414 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
415
416 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
417 return;
418
419 if (!incmap->fm_mapped_extents)
420 goto done;
421
422 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
423 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
424 errno = ENOMEM;
425 if (!fiemap)
426 return;
427
428 req->ptr1 = fiemap;
429
430 for (count = 0; count < incmap->fm_mapped_extents; ++count)
431 {
432 struct fiemap_extent *e = incmap->fm_extents + count;
433
434 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
435
436 if (e->fe_logical >= end_offset)
437 goto done;
438
439 if (e->fe_flags & FIEMAP_EXTENT_LAST)
440 goto done;
441
442 }
443 }
444
445done:
446 req->result = 0;
447
448#else
449 errno = ENOSYS;
450#endif
451}
452
453/*****************************************************************************/
454
455static int close_fd; /* dummy fd to close fds via dup2 */
456
457#if HAVE_STATX
458static struct statx stx;
459#define statx_offsetof(member) offsetof (struct statx, member)
460#define eio__statx statx
461#else
462#define statx_offsetof(member) 0
463#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
464#endif
465
150enum { 466enum {
151 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 467 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152}; 468};
153 469
154#include "libeio/eio.c"
155
156typedef eio_req *aio_req; 470typedef eio_req *aio_req;
157typedef eio_req *aio_req_ornot; 471typedef eio_req *aio_req_ornot;
472typedef eio_wd aio_wd;
158 473
159static SV *on_next_submit; 474static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 475static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 476static int max_outstanding;
162 477
163static int respipe_osf [2], respipe [2] = { -1, -1 }; 478static s_epipe respipe;
164 479
165static void req_destroy (aio_req req); 480static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 481static void req_cancel (aio_req req);
167 482
168static void want_poll (void) 483static void
484want_poll (void)
169{ 485{
170 /* write a dummy byte to the pipe so fh becomes ready */ 486 /* write a dummy byte to the pipe so fh becomes ready */
171 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 487 s_epipe_signal (&respipe);
172} 488}
173 489
174static void done_poll (void) 490static void
491done_poll (void)
175{ 492{
176 /* read any signals sent by the worker threads */ 493 /* read any signals sent by the worker threads */
177 char buf [4]; 494 s_epipe_drain (&respipe);
178 while (respipe_read (respipe [0], buf, 4) == 4)
179 ;
180} 495}
181 496
182/* must be called at most once */ 497/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 498ecb_noinline
499static SV *
500req_sv (aio_req req, HV *stash)
184{ 501{
185 if (!req->self) 502 if (!req->self)
186 { 503 {
187 req->self = (SV *)newHV (); 504 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 505 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 506 }
190 507
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 508 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 509}
193 510
194static aio_req SvAIO_REQ (SV *sv) 511static SV *
512newSVaio_wd (aio_wd wd)
513{
514 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
515}
516
517ecb_noinline
518static aio_req
519SvAIO_REQ (SV *sv)
195{ 520{
196 MAGIC *mg; 521 MAGIC *mg;
197 522
198 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 523 if (!SvROK (sv)
524 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
525 || (SvSTASH (SvRV (sv)) != aio_grp_stash
526 && SvSTASH (SvRV (sv)) != aio_req_stash
527 && !sv_derived_from (sv, "IO::AIO::REQ")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 528 croak ("object of class IO::AIO::REQ expected");
200 529
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 530 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 531
203 return mg ? (aio_req)mg->mg_ptr : 0; 532 return mg ? (aio_req)mg->mg_ptr : 0;
204} 533}
205 534
535static aio_wd
536SvAIO_WD (SV *sv)
537{
538 if (!SvROK (sv)
539 || SvTYPE (SvRV (sv)) != SVt_PVMG
540 || SvSTASH (SvRV (sv)) != aio_wd_stash)
541 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
542
543 return (aio_wd)(long)SvIVX (SvRV (sv));
544}
545
546static SV *
547newmortalFH (int fd, int flags)
548{
549 if (fd < 0)
550 return &PL_sv_undef;
551
552 GV *gv = (GV *)sv_newmortal ();
553 char sym[64];
554 int symlen;
555
556 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
557 gv_init (gv, aio_stash, sym, symlen, 0);
558
559 symlen = snprintf (
560 sym,
561 sizeof (sym),
562 "%s&=%d",
563 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
564 fd
565 );
566
567 return do_open (gv, sym, symlen, 0, 0, 0, 0)
568 ? (SV *)gv : &PL_sv_undef;
569}
570
571static void
206static void aio_grp_feed (aio_req grp) 572aio_grp_feed (aio_req grp)
207{ 573{
208 if (grp->sv2 && SvOK (grp->sv2)) 574 if (grp->sv2 && SvOK (grp->sv2))
209 { 575 {
210 dSP; 576 dSP;
211 577
212 ENTER; 578 ENTER;
213 SAVETMPS; 579 SAVETMPS;
214 PUSHMARK (SP); 580 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 581 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 582 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 583 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 584 SPAGAIN;
219 FREETMPS; 585 FREETMPS;
220 LEAVE; 586 LEAVE;
221 } 587 }
222} 588}
223 589
590ecb_noinline
591static void
224static void req_submit (eio_req *req) 592req_submit (eio_req *req)
225{ 593{
226 eio_submit (req); 594 eio_submit (req);
227 595
228 if (expect_false (on_next_submit)) 596 if (expect_false (on_next_submit))
229 { 597 {
… …
236 PUTBACK; 604 PUTBACK;
237 call_sv (cb, G_DISCARD | G_EVAL); 605 call_sv (cb, G_DISCARD | G_EVAL);
238 } 606 }
239} 607}
240 608
609static int
241static int req_invoke (eio_req *req) 610req_invoke (eio_req *req)
242{ 611{
243 dSP;
244
245 if (req->flags & FLAG_SV2_RO_OFF) 612 if (req->flags & FLAG_SV2_RO_OFF)
246 SvREADONLY_off (req->sv2); 613 SvREADONLY_off (req->sv2);
247 614
248 if (!EIO_CANCELLED (req) && req->callback) 615 if (!EIO_CANCELLED (req) && req->callback)
249 { 616 {
617 dSP;
618 static SV *sv_result_cache; /* caches the result integer SV */
619 SV *sv_result;
620
250 ENTER; 621 ENTER;
251 SAVETMPS; 622 SAVETMPS;
252 PUSHMARK (SP); 623 PUSHMARK (SP);
253 EXTEND (SP, 1); 624 EXTEND (SP, 1);
254 625
626 /* do not recreate the result IV from scratch each time */
627 if (expect_true (sv_result_cache))
628 {
629 sv_result = sv_result_cache; sv_result_cache = 0;
630 SvIV_set (sv_result, req->result);
631 SvIOK_only (sv_result);
632 }
633 else
634 {
635 sv_result = newSViv (req->result);
636 SvREADONLY_on (sv_result);
637 }
638
255 switch (req->type) 639 switch (req->type)
256 { 640 {
641 case EIO_WD_OPEN:
642 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
643 break;
644
257 case EIO_READDIR: 645 case EIO_READDIR:
258 { 646 {
259 SV *rv = &PL_sv_undef; 647 SV *rv = &PL_sv_undef;
260 648
261 if (req->result >= 0) 649 if (req->result >= 0)
… …
314 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 702 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
315 } 703 }
316 break; 704 break;
317 705
318 case EIO_OPEN: 706 case EIO_OPEN:
707 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
708 break;
709
710 case EIO_STATVFS:
711 case EIO_FSTATVFS:
319 { 712 {
320 /* convert fd to fh */
321 SV *fh = &PL_sv_undef; 713 SV *rv = &PL_sv_undef;
322 714
715#ifndef _WIN32
323 if (req->result >= 0) 716 if (req->result >= 0)
324 { 717 {
718 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
325 GV *gv = (GV *)sv_newmortal (); 719 HV *hv = newHV ();
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 720 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
327 char sym [64]; 721 * chooses to make it a struct.
328 int symlen;
329 722 */
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 723 unsigned long fsid = 0;
331 gv_init (gv, stash, sym, symlen, 0); 724 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
332 725
333 symlen = snprintf ( 726 rv = sv_2mortal (newRV_noinc ((SV *)hv));
334 sym,
335 sizeof (sym),
336 "%s&=%d",
337 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
338 (int)req->result
339 );
340 727
341 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 728 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
342 fh = (SV *)gv; 729 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
730 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
731 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
732 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
733 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
734 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
735 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
736 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
737 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
738 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
343 } 739 }
740#endif
344 741
345 PUSHs (fh); 742 PUSHs (rv);
346 } 743 }
744
347 break; 745 break;
348 746
349 case EIO_GROUP: 747 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 748 req->int1 = 2; /* mark group as finished */
351 749
… …
363 case EIO_NOP: 761 case EIO_NOP:
364 case EIO_BUSY: 762 case EIO_BUSY:
365 break; 763 break;
366 764
367 case EIO_READLINK: 765 case EIO_READLINK:
766 case EIO_REALPATH:
368 if (req->result > 0) 767 if (req->result > 0)
369 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 768 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370 break; 769 break;
371 770
372 case EIO_STAT: 771 case EIO_STAT:
373 case EIO_LSTAT: 772 case EIO_LSTAT:
374 case EIO_FSTAT: 773 case EIO_FSTAT:
375 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 774 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
775
376 PL_laststatval = req->result; 776 if (!(PL_laststatval = req->result))
777 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
377 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 778 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378 PUSHs (sv_2mortal (newSViv (req->result))); 779
780 PUSHs (sv_result);
781 break;
782
783 case EIO_SEEK:
784 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
379 break; 785 break;
380 786
381 case EIO_READ: 787 case EIO_READ:
382 { 788 {
383 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 789 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
384 *SvEND (req->sv2) = 0; 790 *SvEND (req->sv2) = 0;
385 SvPOK_only (req->sv2); 791 SvPOK_only (req->sv2);
386 SvSETMAGIC (req->sv2); 792 SvSETMAGIC (req->sv2);
387 PUSHs (sv_2mortal (newSViv (req->result))); 793 PUSHs (sv_result);
388 } 794 }
389 break; 795 break;
390 796
391 case EIO_DUP2: 797 case EIO_SLURP:
798 {
799 if (req->result >= 0)
800 {
801 /* if length was originally not known, we steal the malloc'ed memory */
802 if (req->flags & EIO_FLAG_PTR2_FREE)
803 {
804 req->flags &= ~EIO_FLAG_PTR2_FREE;
805 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
806 }
807 else
808 {
809 SvCUR_set (req->sv2, req->result);
810 *SvEND (req->sv2) = 0;
811 SvPOK_only (req->sv2);
812 }
813
814 SvSETMAGIC (req->sv2);
815 }
816
817 PUSHs (sv_result);
818 }
819 break;
820
821 case EIO_CUSTOM:
822 if (req->feed == fiemap)
823 {
824#if HAVE_FIEMAP
825 if (!req->result)
826 {
827 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
828
829 if (fiemap->fm_extent_count)
830 {
831 AV *av = newAV ();
832 int i;
833
834 while (fiemap->fm_mapped_extents)
835 {
836 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
837 AV *ext_av = newAV ();
838
839 av_store (ext_av, 3, newSVuv (extent->fe_flags));
840 av_store (ext_av, 2, newSVval64 (extent->fe_length));
841 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
842 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
843
844 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
845 }
846
847 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
848 }
849 else
850 {
851 SvIV_set (sv_result, fiemap->fm_mapped_extents);
852 PUSHs (sv_result);
853 }
854 }
855#endif
856 }
857 else
858 PUSHs (sv_result);
859 break;
860
861#if 0
862 case EIO_CLOSE:
863 PerlIOUnix_refcnt_dec (req->int1);
864 break;
865#endif
866
867 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
392 if (req->result > 0) 868 if (req->result > 0)
393 req->result = 0; 869 SvIV_set (sv_result, 0);
394 /* FALLTHROUGH */ 870 /* FALLTHROUGH */
395 871
396 default: 872 default:
397 PUSHs (sv_2mortal (newSViv (req->result))); 873 PUSHs (sv_result);
398 break; 874 break;
399 } 875 }
400 876
401 errno = req->errorno; 877 errno = req->errorno;
402 878
403 PUTBACK; 879 PUTBACK;
404 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 880 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405 SPAGAIN; 881 SPAGAIN;
406 882
883 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
884 SvREFCNT_dec (sv_result);
885 else
886 sv_result_cache = sv_result;
887
407 FREETMPS; 888 FREETMPS;
408 LEAVE; 889 LEAVE;
409 890
410 PUTBACK; 891 PUTBACK;
411 } 892 }
412 893
413 return !!SvTRUE (ERRSV); 894 return !!SvTRUE (ERRSV);
414} 895}
415 896
897static void
416static void req_destroy (aio_req req) 898req_destroy (aio_req req)
417{ 899{
418 if (req->self) 900 if (req->self)
419 { 901 {
420 sv_unmagic (req->self, PERL_MAGIC_ext); 902 sv_unmagic (req->self, PERL_MAGIC_ext);
421 SvREFCNT_dec (req->self); 903 SvREFCNT_dec (req->self);
422 } 904 }
423 905
424 SvREFCNT_dec (req->sv1); 906 SvREFCNT_dec (req->sv1);
425 SvREFCNT_dec (req->sv2); 907 SvREFCNT_dec (req->sv2);
908 SvREFCNT_dec (req->sv3);
909 SvREFCNT_dec (req->sv4);
426 SvREFCNT_dec (req->callback); 910 SvREFCNT_dec (req->callback);
427 911
428 Safefree (req); 912 free (req);
429} 913}
430 914
915static void
431static void req_cancel_subs (aio_req grp) 916req_cancel_subs (aio_req grp)
432{ 917{
433 aio_req sub;
434
435 if (grp->type != EIO_GROUP) 918 if (grp->type != EIO_GROUP)
436 return; 919 return;
437 920
438 SvREFCNT_dec (grp->sv2); 921 SvREFCNT_dec (grp->sv2);
439 grp->sv2 = 0; 922 grp->sv2 = 0;
440 923
441 eio_grp_cancel (grp); 924 eio_grp_cancel (grp);
442} 925}
443 926
444#ifdef USE_SOCKETS_AS_HANDLES 927ecb_cold
445# define TO_SOCKET(x) (win32_get_osfhandle (x))
446#else
447# define TO_SOCKET(x) (x)
448#endif
449
450static void 928static void
451create_respipe (void) 929create_respipe (void)
452{ 930{
453 int old_readfd = respipe [0];
454
455 if (respipe [1] >= 0)
456 respipe_close (TO_SOCKET (respipe [1]));
457
458#ifdef _WIN32
459 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460#else
461 if (pipe (respipe)) 931 if (s_epipe_renew (&respipe))
462#endif
463 croak ("unable to initialize result pipe"); 932 croak ("IO::AIO: unable to initialize result pipe");
464
465 if (old_readfd >= 0)
466 {
467 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468 croak ("unable to initialize result pipe(2)");
469
470 respipe_close (respipe [0]);
471 respipe [0] = old_readfd;
472 }
473
474#ifdef _WIN32
475 int arg = 1;
476 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478#else
479 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481#endif
482 croak ("unable to initialize result pipe(3)");
483
484 respipe_osf [0] = TO_SOCKET (respipe [0]);
485 respipe_osf [1] = TO_SOCKET (respipe [1]);
486} 933}
487 934
488static void poll_wait (void) 935static void
936poll_wait (void)
489{ 937{
490 fd_set rfd;
491
492 while (eio_nreqs ()) 938 while (eio_nreqs ())
493 { 939 {
494 int size; 940 int size;
495 941
496 X_LOCK (reslock); 942 X_LOCK (EIO_POOL->reslock);
497 size = res_queue.size; 943 size = EIO_POOL->res_queue.size;
498 X_UNLOCK (reslock); 944 X_UNLOCK (EIO_POOL->reslock);
499 945
500 if (size) 946 if (size)
501 return; 947 return;
502 948
503 etp_maybe_start_thread (); 949 etp_maybe_start_thread (EIO_POOL);
504 950
505 FD_ZERO (&rfd); 951 s_epipe_wait (&respipe);
506 FD_SET (respipe [0], &rfd);
507
508 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509 } 952 }
510} 953}
511 954
512static int poll_cb (void) 955static int
956poll_cb (void)
513{ 957{
514 for (;;) 958 for (;;)
515 { 959 {
516 int res = eio_poll (); 960 int res = eio_poll ();
517 961
… …
523 967
524 poll_wait (); 968 poll_wait ();
525 } 969 }
526} 970}
527 971
528static void atfork_child (void) 972ecb_cold
973static void
974reinit (void)
529{ 975{
530 create_respipe (); 976 create_respipe ();
977
978 if (eio_init (want_poll, done_poll) < 0)
979 croak ("IO::AIO: unable to initialise eio library");
531} 980}
981
982/*****************************************************************************/
532 983
533static SV * 984static SV *
534get_cb (SV *cb_sv) 985get_cb (SV *cb_sv)
535{ 986{
536 HV *st; 987 SvGETMAGIC (cb_sv);
537 GV *gvp; 988 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
989}
990
991ecb_noinline
992static aio_req ecb_noinline
993dreq (SV *callback)
994{
538 CV *cv; 995 SV *cb_cv;
996 aio_req req;
997 int req_pri = next_pri;
998 next_pri = EIO_PRI_DEFAULT;
539 999
540 if (!SvOK (cb_sv)) 1000 cb_cv = get_cb (callback);
1001
1002 req = calloc (sizeof (*req), 1);
1003 if (!req)
1004 croak ("out of memory during eio_req allocation");
1005
1006 req->callback = SvREFCNT_inc (cb_cv);
1007 req->pri = req_pri;
1008
541 return 0; 1009 return req;
542
543 cv = sv_2cv (cb_sv, &st, &gvp, 0);
544
545 if (!cv)
546 croak ("IO::AIO callback must be undef or a CODE reference");
547
548 return (SV *)cv;
549} 1010}
550 1011
551#define dREQ \ 1012#define dREQ \
552 SV *cb_cv; \ 1013 aio_req req = dreq (callback); \
553 aio_req req; \
554 int req_pri = next_pri; \
555 next_pri = EIO_PRI_DEFAULT; \
556 \
557 cb_cv = get_cb (callback); \
558 \
559 Newz (0, req, 1, eio_req); \
560 if (!req) \
561 croak ("out of memory during eio_req allocation"); \
562 \
563 req->callback = SvREFCNT_inc (cb_cv); \
564 req->pri = req_pri
565 1014
566#define REQ_SEND \ 1015#define REQ_SEND \
567 PUTBACK; \ 1016 PUTBACK; \
568 req_submit (req); \ 1017 req_submit (req); \
569 SPAGAIN; \ 1018 SPAGAIN; \
570 \ 1019 \
571 if (GIMME_V != G_VOID) \ 1020 if (GIMME_V != G_VOID) \
572 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 1021 XPUSHs (req_sv (req, aio_req_stash));
573 1022
1023/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1024ecb_inline
1025void
1026req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1027{
1028 if (expect_false (SvROK (path)))
1029 {
1030 SV *rv = SvRV (path);
1031 SV *wdob;
1032
1033 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1034 {
1035 path = AvARRAY (rv)[1];
1036 wdob = AvARRAY (rv)[0];
1037
1038 if (SvOK (wdob))
1039 {
1040 *wd = SvAIO_WD (wdob);
1041 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1042 }
1043 else
1044 *wd = EIO_INVALID_WD;
1045 }
1046 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1047 {
1048 *wd = (aio_wd)(long)SvIVX (rv);
1049 *wdsv = SvREFCNT_inc_NN (rv);
1050 *ptr = ".";
1051 return; /* path set to "." */
1052 }
1053 else
1054 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1055 }
1056
1057 *pathsv = newSVsv (path);
1058 *ptr = SvPVbyte_nolen (*pathsv);
1059}
1060
1061ecb_noinline
574static int 1062static void
575extract_fd (SV *fh, int wr) 1063req_set_path1 (aio_req req, SV *path)
576{ 1064{
577 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); 1065 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1066}
578 1067
579 if (fd < 0) 1068ecb_noinline
580 croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); 1069static void
1070req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1071{
1072 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
581 1073
1074 switch (SvTYPE (rv))
1075 {
1076 case SVt_PVIO:
1077 case SVt_PVLV:
1078 case SVt_PVGV:
1079 req->type = type_fh;
1080 req->sv1 = newSVsv (fh_or_path);
1081 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1082 break;
1083
1084 default:
1085 req->type = type_path;
1086 req_set_path1 (req, fh_or_path);
1087 break;
1088 }
1089}
1090
1091/*****************************************************************************/
1092
1093static void
1094ts_set (struct timespec *ts, NV value)
1095{
1096 ts->tv_sec = value;
1097 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1098}
1099
1100static NV
1101ts_get (const struct timespec *ts)
1102{
1103 return ts->tv_sec + ts->tv_nsec * 1e-9;
1104}
1105
1106/*****************************************************************************/
1107
1108/* extract a ref-to-array of strings into a temporary c style string vector */
1109static char **
1110extract_stringvec (SV *sv, const char *croakmsg)
1111{
1112 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1113 croak (croakmsg);
1114
1115 AV *av = (AV *)SvRV (sv);
1116 int i, nelem = av_len (av) + 1;
1117 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1118
1119 for (i = 0; i < nelem; ++i)
1120 {
1121 SV **e = av_fetch (av, i, 0);
1122
1123 if (e && *e)
1124 vecp[i] = SvPVbyte_nolen (*e);
1125 else
1126 vecp[i] = "";
1127 }
1128
1129 vecp[nelem] = 0;
1130
582 return fd; 1131 return vecp;
583} 1132}
1133
1134/*****************************************************************************/
1135
1136XS(boot_IO__AIO) ecb_cold;
584 1137
585MODULE = IO::AIO PACKAGE = IO::AIO 1138MODULE = IO::AIO PACKAGE = IO::AIO
586 1139
587PROTOTYPES: ENABLE 1140PROTOTYPES: ENABLE
588 1141
… …
590{ 1143{
591 static const struct { 1144 static const struct {
592 const char *name; 1145 const char *name;
593 IV iv; 1146 IV iv;
594 } *civ, const_iv[] = { 1147 } *civ, const_iv[] = {
595# define const_iv(name, value) { # name, (IV) value }, 1148# define const_niv(name, value) { # name, (IV) value },
1149# define const_iv(name) { # name, (IV) name },
596# define const_eio(name) { # name, (IV) EIO_ ## name }, 1150# define const_eio(name) { # name, (IV) EIO_ ## name },
597 const_iv (EXDEV , EXDEV) 1151
1152 /* you have to re-run ./gendef0 after adding/removing any constants here */
1153 /* the first block can be undef if missing */
598 const_iv (ENOSYS , ENOSYS) 1154 const_iv (ENOSYS)
599 const_iv (O_RDONLY, O_RDONLY) 1155 const_iv (EXDEV)
600 const_iv (O_WRONLY, O_WRONLY) 1156 const_iv (EBADR)
601 const_iv (O_CREAT , O_CREAT) 1157
602 const_iv (O_TRUNC , O_TRUNC) 1158 /* for lseek */
603#ifndef _WIN32 1159 const_iv (SEEK_DATA)
604 const_iv (S_IFIFO , S_IFIFO) 1160 const_iv (SEEK_HOLE)
605#endif 1161
606 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1162 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1163 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1164 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1165 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1166 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1167 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1168
1169 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1170 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1171 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1172 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1173 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1174
1175 /* the second block will be 0 when missing */
1176 const_iv (O_ACCMODE)
1177
1178 const_iv (O_RDONLY)
1179 const_iv (O_WRONLY)
1180 const_iv (O_RDWR)
1181 const_iv (O_CREAT)
1182 const_iv (O_TRUNC)
1183 const_iv (O_EXCL)
1184 const_iv (O_APPEND)
1185
1186 const_iv (O_ASYNC)
1187 const_iv (O_DIRECT)
1188 const_iv (O_NOATIME)
1189
1190 const_iv (O_CLOEXEC)
1191 const_iv (O_NOCTTY)
1192 const_iv (O_NOFOLLOW)
1193 const_iv (O_NONBLOCK)
1194 const_iv (O_EXEC)
1195 const_iv (O_SEARCH)
1196 const_iv (O_DIRECTORY)
1197 const_iv (O_DSYNC)
1198 const_iv (O_RSYNC)
1199 const_iv (O_SYNC)
1200 const_iv (O_PATH)
1201 const_iv (O_TMPFILE)
1202 const_iv (O_TTY_INIT)
1203
1204 const_iv (S_IFIFO)
1205 const_iv (S_IFCHR)
1206 const_iv (S_IFBLK)
1207 const_iv (S_IFLNK)
1208 const_iv (S_IFREG)
1209 const_iv (S_IFDIR)
1210 const_iv (S_IFWHT)
1211 const_iv (S_IFSOCK)
1212 const_iv (S_IFMT)
1213
1214 const_iv (ST_RDONLY)
1215 const_iv (ST_NOSUID)
1216 const_iv (ST_NODEV)
1217 const_iv (ST_NOEXEC)
1218 const_iv (ST_SYNCHRONOUS)
1219 const_iv (ST_MANDLOCK)
1220 const_iv (ST_WRITE)
1221 const_iv (ST_APPEND)
1222 const_iv (ST_IMMUTABLE)
1223 const_iv (ST_NOATIME)
1224 const_iv (ST_NODIRATIME)
1225 const_iv (ST_RELATIME)
1226
1227 const_iv (PROT_NONE)
1228 const_iv (PROT_EXEC)
1229 const_iv (PROT_READ)
1230 const_iv (PROT_WRITE)
1231
1232 const_iv (MAP_PRIVATE)
1233 const_iv (MAP_SHARED)
1234 const_iv (MAP_FIXED)
1235 const_iv (MAP_ANONYMOUS)
1236
1237 /* linuxish */
1238 const_iv (MAP_LOCKED)
1239 const_iv (MAP_NORESERVE)
1240 const_iv (MAP_POPULATE)
1241 const_iv (MAP_NONBLOCK)
1242 const_iv (MAP_GROWSDOWN)
1243 const_iv (MAP_32BIT)
1244 const_iv (MAP_HUGETLB)
1245 const_iv (MAP_STACK)
1246 const_iv (MAP_FIXED_NOREPLACE)
1247 const_iv (MAP_SHARED_VALIDATE)
1248 const_iv (MAP_SYNC)
1249 const_iv (MAP_UNINITIALIZED)
1250
1251 const_iv (MREMAP_MAYMOVE)
1252 const_iv (MREMAP_FIXED)
1253
1254 const_iv (MSG_CMSG_CLOEXEC)
1255 const_iv (SOCK_CLOEXEC)
1256
1257 const_iv (F_DUPFD_CLOEXEC)
1258
1259 const_iv (F_ADD_SEALS)
1260 const_iv (F_GET_SEALS)
1261 const_iv (F_SEAL_SEAL)
1262 const_iv (F_SEAL_SHRINK)
1263 const_iv (F_SEAL_GROW)
1264 const_iv (F_SEAL_WRITE)
1265
1266 const_iv (F_OFD_GETLK)
1267 const_iv (F_OFD_SETLK)
1268 const_iv (F_OFD_GETLKW)
1269
1270 const_iv (FIFREEZE)
1271 const_iv (FITHAW)
1272 const_iv (FITRIM)
1273 const_iv (FICLONE)
1274 const_iv (FICLONERANGE)
1275 const_iv (FIDEDUPERANGE)
1276
1277 const_iv (FS_IOC_GETFLAGS)
1278 const_iv (FS_IOC_SETFLAGS)
1279 const_iv (FS_IOC_GETVERSION)
1280 const_iv (FS_IOC_SETVERSION)
1281 const_iv (FS_IOC_FIEMAP)
1282 const_iv (FS_IOC_FSGETXATTR)
1283 const_iv (FS_IOC_FSSETXATTR)
1284 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1285 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1286 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1287
1288 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1289
1290 const_iv (FS_SECRM_FL)
1291 const_iv (FS_UNRM_FL)
1292 const_iv (FS_COMPR_FL)
1293 const_iv (FS_SYNC_FL)
1294 const_iv (FS_IMMUTABLE_FL)
1295 const_iv (FS_APPEND_FL)
1296 const_iv (FS_NODUMP_FL)
1297 const_iv (FS_NOATIME_FL)
1298 const_iv (FS_DIRTY_FL)
1299 const_iv (FS_COMPRBLK_FL)
1300 const_iv (FS_NOCOMP_FL)
1301 const_iv (FS_ENCRYPT_FL)
1302 const_iv (FS_BTREE_FL)
1303 const_iv (FS_INDEX_FL)
1304 const_iv (FS_JOURNAL_DATA_FL)
1305 const_iv (FS_NOTAIL_FL)
1306 const_iv (FS_DIRSYNC_FL)
1307 const_iv (FS_TOPDIR_FL)
1308 const_iv (FS_FL_USER_MODIFIABLE)
1309
1310 const_iv (FS_XFLAG_REALTIME)
1311 const_iv (FS_XFLAG_PREALLOC)
1312 const_iv (FS_XFLAG_IMMUTABLE)
1313 const_iv (FS_XFLAG_APPEND)
1314 const_iv (FS_XFLAG_SYNC)
1315 const_iv (FS_XFLAG_NOATIME)
1316 const_iv (FS_XFLAG_NODUMP)
1317 const_iv (FS_XFLAG_RTINHERIT)
1318 const_iv (FS_XFLAG_PROJINHERIT)
1319 const_iv (FS_XFLAG_NOSYMLINKS)
1320 const_iv (FS_XFLAG_EXTSIZE)
1321 const_iv (FS_XFLAG_EXTSZINHERIT)
1322 const_iv (FS_XFLAG_NODEFRAG)
1323 const_iv (FS_XFLAG_FILESTREAM)
1324 const_iv (FS_XFLAG_DAX)
1325 const_iv (FS_XFLAG_HASATTR)
1326
1327 const_iv (FIEMAP_FLAG_SYNC)
1328 const_iv (FIEMAP_FLAG_XATTR)
1329 const_iv (FIEMAP_FLAGS_COMPAT)
1330 const_iv (FIEMAP_EXTENT_LAST)
1331 const_iv (FIEMAP_EXTENT_UNKNOWN)
1332 const_iv (FIEMAP_EXTENT_DELALLOC)
1333 const_iv (FIEMAP_EXTENT_ENCODED)
1334 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1335 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1336 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1337 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1338 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1339 const_iv (FIEMAP_EXTENT_MERGED)
1340 const_iv (FIEMAP_EXTENT_SHARED)
1341
1342 const_iv (SPLICE_F_MOVE)
1343 const_iv (SPLICE_F_NONBLOCK)
1344 const_iv (SPLICE_F_MORE)
1345 const_iv (SPLICE_F_GIFT)
1346
1347 const_iv (EFD_CLOEXEC)
1348 const_iv (EFD_NONBLOCK)
1349 const_iv (EFD_SEMAPHORE)
1350
1351 const_iv (MFD_CLOEXEC)
1352 const_iv (MFD_ALLOW_SEALING)
1353 const_iv (MFD_HUGETLB)
1354 const_iv (MFD_HUGETLB_2MB)
1355 const_iv (MFD_HUGETLB_1GB)
1356
1357 const_iv (CLOCK_REALTIME)
1358 const_iv (CLOCK_MONOTONIC)
1359 const_iv (CLOCK_BOOTTIME)
1360 const_iv (CLOCK_REALTIME_ALARM)
1361 const_iv (CLOCK_BOOTTIME_ALARM)
1362
1363 const_iv (TFD_NONBLOCK)
1364 const_iv (TFD_CLOEXEC)
1365
1366 const_iv (TFD_TIMER_ABSTIME)
1367 const_iv (TFD_TIMER_CANCEL_ON_SET)
1368
1369 const_iv (STATX_TYPE)
1370 const_iv (STATX_MODE)
1371 const_iv (STATX_NLINK)
1372 const_iv (STATX_UID)
1373 const_iv (STATX_GID)
1374 const_iv (STATX_ATIME)
1375 const_iv (STATX_MTIME)
1376 const_iv (STATX_CTIME)
1377 const_iv (STATX_INO)
1378 const_iv (STATX_SIZE)
1379 const_iv (STATX_BLOCKS)
1380 const_iv (STATX_BASIC_STATS)
1381 const_iv (STATX_ALL)
1382 const_iv (STATX_BTIME)
1383 const_iv (STATX_ATTR_COMPRESSED)
1384 const_iv (STATX_ATTR_IMMUTABLE)
1385 const_iv (STATX_ATTR_APPEND)
1386 const_iv (STATX_ATTR_NODUMP)
1387 const_iv (STATX_ATTR_ENCRYPTED)
1388 const_iv (STATX_ATTR_AUTOMOUNT)
1389
1390 const_iv (AT_FDCWD)
1391 const_iv (AT_SYMLINK_NOFOLLOW)
1392 const_iv (AT_EACCESS)
1393 const_iv (AT_REMOVEDIR)
1394 const_iv (AT_SYMLINK_FOLLOW)
1395 const_iv (AT_NO_AUTOMOUNT)
1396 const_iv (AT_EMPTY_PATH)
1397 const_iv (AT_STATX_SYNC_TYPE)
1398 const_iv (AT_STATX_AS_STAT)
1399 const_iv (AT_STATX_FORCE_SYNC)
1400 const_iv (AT_STATX_DONT_SYNC)
1401 const_iv (AT_RECURSIVE)
1402
1403 const_iv (OPEN_TREE_CLONE)
1404
1405 const_iv (FSOPEN_CLOEXEC)
1406
1407 const_iv (FSPICK_CLOEXEC)
1408 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1409 const_iv (FSPICK_NO_AUTOMOUNT)
1410 const_iv (FSPICK_EMPTY_PATH)
1411
1412 const_iv (MOVE_MOUNT_F_SYMLINKS)
1413 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1414 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1415 const_iv (MOVE_MOUNT_T_SYMLINKS)
1416 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1417 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1418
1419 /* waitid */
1420 const_iv (P_PID)
1421 const_iv (P_PIDFD)
1422 const_iv (P_PGID)
1423 const_iv (P_ALL)
1424
1425 const_iv (FSCONFIG_SET_FLAG)
1426 const_iv (FSCONFIG_SET_STRING)
1427 const_iv (FSCONFIG_SET_BINARY)
1428 const_iv (FSCONFIG_SET_PATH)
1429 const_iv (FSCONFIG_SET_PATH_EMPTY)
1430 const_iv (FSCONFIG_SET_FD)
1431 const_iv (FSCONFIG_CMD_CREATE)
1432 const_iv (FSCONFIG_CMD_RECONFIGURE)
1433
1434 const_iv (MOUNT_ATTR_RDONLY)
1435 const_iv (MOUNT_ATTR_NOSUID)
1436 const_iv (MOUNT_ATTR_NODEV)
1437 const_iv (MOUNT_ATTR_NOEXEC)
1438 const_iv (MOUNT_ATTR__ATIME)
1439 const_iv (MOUNT_ATTR_RELATIME)
1440 const_iv (MOUNT_ATTR_NOATIME)
1441 const_iv (MOUNT_ATTR_STRICTATIME)
1442 const_iv (MOUNT_ATTR_NODIRATIME)
1443
1444 /* sys/mount.h */
1445 const_iv (MS_RDONLY)
1446 const_iv (MS_NOSUID)
1447 const_iv (MS_NODEV)
1448 const_iv (MS_NOEXEC)
1449 const_iv (MS_SYNCHRONOUS)
1450 const_iv (MS_REMOUNT)
1451 const_iv (MS_MANDLOCK)
1452 const_iv (MS_DIRSYNC)
1453 const_iv (MS_NOATIME)
1454 const_iv (MS_NODIRATIME)
1455 const_iv (MS_BIND)
1456 const_iv (MS_MOVE)
1457 const_iv (MS_REC)
1458 const_iv (MS_SILENT)
1459 const_iv (MS_POSIXACL)
1460 const_iv (MS_UNBINDABLE)
1461 const_iv (MS_PRIVATE)
1462 const_iv (MS_SLAVE)
1463 const_iv (MS_SHARED)
1464 const_iv (MS_RELATIME)
1465 const_iv (MS_KERNMOUNT)
1466 const_iv (MS_I_VERSION)
1467 const_iv (MS_STRICTATIME)
1468 const_iv (MS_LAZYTIME)
1469 const_iv (MS_ACTIVE)
1470 const_iv (MS_NOUSER)
1471 const_iv (MS_RMT_MASK)
1472 const_iv (MS_MGC_VAL)
1473 const_iv (MS_MGC_MSK)
1474
1475 const_iv (MNT_FORCE)
1476 const_iv (MNT_DETACH)
1477 const_iv (MNT_EXPIRE)
1478 const_iv (UMOUNT_NOFOLLOW)
1479
1480 const_iv (BLKROSET)
1481 const_iv (BLKROGET)
1482 const_iv (BLKRRPART)
1483 const_iv (BLKGETSIZE)
1484 const_iv (BLKFLSBUF)
1485 const_iv (BLKRASET)
1486 const_iv (BLKRAGET)
1487 const_iv (BLKFRASET)
1488 const_iv (BLKFRAGET)
1489 const_iv (BLKSECTSET)
1490 const_iv (BLKSECTGET)
1491 const_iv (BLKSSZGET)
1492 const_iv (BLKBSZGET)
1493 const_iv (BLKBSZSET)
1494 const_iv (BLKGETSIZE64)
1495
1496 /* these are libeio constants, and are independent of gendef0 */
1497 const_eio (SEEK_SET)
1498 const_eio (SEEK_CUR)
1499 const_eio (SEEK_END)
1500
1501 const_eio (MCL_FUTURE)
1502 const_eio (MCL_CURRENT)
1503 const_eio (MCL_ONFAULT)
1504
1505 const_eio (MS_ASYNC)
1506 const_eio (MS_INVALIDATE)
1507 const_eio (MS_SYNC)
1508
1509 const_eio (MT_MODIFY)
612 1510
613 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1511 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614 const_eio (SYNC_FILE_RANGE_WRITE) 1512 const_eio (SYNC_FILE_RANGE_WRITE)
615 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1513 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1514
1515 const_eio (FALLOC_FL_KEEP_SIZE)
1516 const_eio (FALLOC_FL_PUNCH_HOLE)
1517 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1518 const_eio (FALLOC_FL_ZERO_RANGE)
1519 const_eio (FALLOC_FL_INSERT_RANGE)
1520 const_eio (FALLOC_FL_UNSHARE_RANGE)
1521
1522 const_eio (RENAME_NOREPLACE)
1523 const_eio (RENAME_EXCHANGE)
1524 const_eio (RENAME_WHITEOUT)
616 1525
617 const_eio (READDIR_DENTS) 1526 const_eio (READDIR_DENTS)
618 const_eio (READDIR_DIRS_FIRST) 1527 const_eio (READDIR_DIRS_FIRST)
619 const_eio (READDIR_STAT_ORDER) 1528 const_eio (READDIR_STAT_ORDER)
620 const_eio (READDIR_FOUND_UNKNOWN) 1529 const_eio (READDIR_FOUND_UNKNOWN)
… …
628 const_eio (DT_LNK) 1537 const_eio (DT_LNK)
629 const_eio (DT_SOCK) 1538 const_eio (DT_SOCK)
630 const_eio (DT_WHT) 1539 const_eio (DT_WHT)
631 }; 1540 };
632 1541
633 stash = gv_stashpv ("IO::AIO", 1); 1542 aio_stash = gv_stashpv ("IO::AIO" , 1);
1543 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1544 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1545 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
634 1546
635 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1547 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
636 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1548 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
637 1549
638 create_respipe (); 1550 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
639 1551
640 if (eio_init (want_poll, done_poll) < 0) 1552 /* allocate dummy pipe fd for aio_close */
641 croak ("IO::AIO: unable to initialise eio library"); 1553 {
1554 int pipefd [2];
642 1555
643 /* atfork child called in fifo order, so before eio's handler */ 1556 if (
644 X_THREAD_ATFORK (0, 0, atfork_child); 1557#ifdef _WIN32
645} 1558 _pipe (pipefd, 1, _O_BINARY) < 0
1559#else
1560 pipe (pipefd) < 0
1561 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1562#endif
1563 || close (pipefd [1]) < 0
1564 )
1565 croak ("IO::AIO: unable to create dummy pipe for aio_close");
646 1566
1567 close_fd = pipefd [0];
1568 }
1569
1570 reinit ();
1571}
1572
647void 1573void
1574reinit ()
1575 PROTOTYPE:
1576
1577void
648max_poll_reqs (int nreqs) 1578max_poll_reqs (unsigned int nreqs)
649 PROTOTYPE: $ 1579 PROTOTYPE: $
650 CODE: 1580 CODE:
651 eio_set_max_poll_reqs (nreqs); 1581 eio_set_max_poll_reqs (nreqs);
652 1582
653void 1583void
… …
655 PROTOTYPE: $ 1585 PROTOTYPE: $
656 CODE: 1586 CODE:
657 eio_set_max_poll_time (nseconds); 1587 eio_set_max_poll_time (nseconds);
658 1588
659void 1589void
660min_parallel (int nthreads) 1590min_parallel (unsigned int nthreads)
661 PROTOTYPE: $ 1591 PROTOTYPE: $
662 CODE: 1592 CODE:
663 eio_set_min_parallel (nthreads); 1593 eio_set_min_parallel (nthreads);
664 1594
665void 1595void
666max_parallel (int nthreads) 1596max_parallel (unsigned int nthreads)
667 PROTOTYPE: $ 1597 PROTOTYPE: $
668 CODE: 1598 CODE:
669 eio_set_max_parallel (nthreads); 1599 eio_set_max_parallel (nthreads);
670 1600
671void 1601void
672max_idle (int nthreads) 1602max_idle (unsigned int nthreads)
673 PROTOTYPE: $ 1603 PROTOTYPE: $
674 CODE: 1604 CODE:
675 eio_set_max_idle (nthreads); 1605 eio_set_max_idle (nthreads);
676 1606
677void 1607void
1608idle_timeout (unsigned int seconds)
1609 PROTOTYPE: $
1610 CODE:
1611 eio_set_idle_timeout (seconds);
1612
1613void
678max_outstanding (int maxreqs) 1614max_outstanding (unsigned int maxreqs)
679 PROTOTYPE: $ 1615 PROTOTYPE: $
680 CODE: 1616 CODE:
681 max_outstanding = maxreqs; 1617 max_outstanding = maxreqs;
682 1618
683void 1619void
684aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1620aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
685 PROTOTYPE: $$$;$
686 PPCODE: 1621 PPCODE:
687{ 1622{
688 dREQ; 1623 dREQ;
689 1624
1625 req->type = EIO_WD_OPEN;
1626 req_set_path1 (req, pathname);
1627
1628 REQ_SEND;
1629}
1630
1631void
1632aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1633 PPCODE:
1634{
1635 dREQ;
1636
690 req->type = EIO_OPEN; 1637 req->type = EIO_OPEN;
691 req->sv1 = newSVsv (pathname); 1638 req_set_path1 (req, pathname);
692 req->ptr1 = SvPVbyte_nolen (req->sv1);
693 req->int1 = flags; 1639 req->int1 = flags;
694 req->int2 = mode; 1640 req->int2 = mode;
695 1641
696 REQ_SEND; 1642 REQ_SEND;
697} 1643}
698 1644
699void 1645void
700aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1646aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
701 PROTOTYPE: $;$
702 ALIAS: 1647 ALIAS:
703 aio_fsync = EIO_FSYNC 1648 aio_fsync = EIO_FSYNC
704 aio_fdatasync = EIO_FDATASYNC 1649 aio_fdatasync = EIO_FDATASYNC
1650 aio_syncfs = EIO_SYNCFS
705 PPCODE: 1651 PPCODE:
706{ 1652{
707 int fd = extract_fd (fh, 0); 1653 int fd = s_fileno_croak (fh, 0);
708 dREQ; 1654 dREQ;
709 1655
710 req->type = ix; 1656 req->type = ix;
711 req->sv1 = newSVsv (fh); 1657 req->sv1 = newSVsv (fh);
712 req->int1 = fd; 1658 req->int1 = fd;
713 1659
714 REQ_SEND (req); 1660 REQ_SEND;
715} 1661}
716 1662
717void 1663void
718aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1664aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
719 PROTOTYPE: $$$$;$
720 PPCODE: 1665 PPCODE:
721{ 1666{
722 int fd = extract_fd (fh, 0); 1667 int fd = s_fileno_croak (fh, 0);
723 dREQ; 1668 dREQ;
724 1669
725 req->type = EIO_SYNC_FILE_RANGE; 1670 req->type = EIO_SYNC_FILE_RANGE;
726 req->sv1 = newSVsv (fh); 1671 req->sv1 = newSVsv (fh);
727 req->int1 = fd; 1672 req->int1 = fd;
728 req->offs = offset; 1673 req->offs = offset;
729 req->size = nbytes; 1674 req->size = nbytes;
730 req->int2 = flags; 1675 req->int2 = flags;
731 1676
732 REQ_SEND (req); 1677 REQ_SEND;
733} 1678}
734 1679
735void 1680void
736aio_close (SV *fh, SV *callback=&PL_sv_undef) 1681aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
737 PROTOTYPE: $;$
738 PPCODE: 1682 PPCODE:
739{ 1683{
740 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1684 int fd = s_fileno_croak (fh, 0);
741 int fd = extract_fd (fh, 0);
742 dREQ; 1685 dREQ;
743 1686
744 if (close_pipe < 0) 1687 req->type = EIO_FALLOCATE;
1688 req->sv1 = newSVsv (fh);
1689 req->int1 = fd;
1690 req->int2 = mode;
1691 req->offs = offset;
1692 req->size = len;
1693
1694 REQ_SEND;
1695}
1696
1697void
1698aio_close (SV *fh, SV *callback = &PL_sv_undef)
1699 PPCODE:
1700{
1701 int fd = s_fileno_croak (fh, 0);
1702 dREQ;
1703#if 0
1704 /* partially duplicate logic in s_fileno */
1705 SvGETMAGIC (fh);
1706
1707 if (SvROK (fh))
1708 {
1709 fh = SvRV (fh);
1710 SvGETMAGIC (fh);
1711 }
1712
1713 if (SvTYPE (fh) == SVt_PVGV)
745 { 1714 {
746 int pipefd [2]; 1715 /* perl filehandle */
1716 PerlIOUnix_refcnt_inc (fd);
1717 do_close ((GV *)fh, 1);
747 1718
748 if (pipe (pipefd) < 0 1719 req->type = EIO_CLOSE;
749 || close (pipefd [1]) < 0 1720 req->int1 = fd;
750 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1721 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
751 abort (); /*D*/
752
753 close_pipe = pipefd [0];
754 } 1722 }
755 1723 else
1724#endif
1725 {
1726 /* fd number */
756 req->type = EIO_DUP2; 1727 req->type = EIO_DUP2;
757 req->int1 = close_pipe; 1728 req->int1 = close_fd;
1729 req->sv2 = newSVsv (fh);
1730 req->int2 = fd;
1731 }
1732
1733 REQ_SEND;
1734}
1735
1736void
1737aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1738 PPCODE:
1739{
1740 int fd = s_fileno_croak (fh, 0);
1741 dREQ;
1742
1743 req->type = EIO_SEEK;
758 req->sv2 = newSVsv (fh); 1744 req->sv1 = newSVsv (fh);
759 req->int2 = fd; 1745 req->int1 = fd;
1746 req->offs = SvVAL64 (offset);
1747 req->int2 = whence;
760 1748
761 REQ_SEND (req); 1749 REQ_SEND;
762} 1750}
763 1751
764void 1752void
765aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1753aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
766 ALIAS: 1754 ALIAS:
767 aio_read = EIO_READ 1755 aio_read = EIO_READ
768 aio_write = EIO_WRITE 1756 aio_write = EIO_WRITE
769 PROTOTYPE: $$$$$;$
770 PPCODE: 1757 PPCODE:
771{ 1758{
772 STRLEN svlen; 1759 STRLEN svlen;
773 int fd = extract_fd (fh, ix == EIO_WRITE); 1760 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774 char *svptr = SvPVbyte (data, svlen); 1761 char *svptr = SvPVbyte (data, svlen);
775 UV len = SvUV (length); 1762 UV len = SvUV (length);
776 1763
777 if (dataoffset < 0) 1764 if (dataoffset < 0)
778 dataoffset += svlen; 1765 dataoffset += svlen;
… …
787 len = svlen - dataoffset; 1774 len = svlen - dataoffset;
788 } 1775 }
789 else 1776 else
790 { 1777 {
791 /* read: check type and grow scalar as necessary */ 1778 /* read: check type and grow scalar as necessary */
792 SvUPGRADE (data, SVt_PV); 1779 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
793 svptr = SvGROW (data, len + dataoffset + 1); 1780 svptr = sv_grow (data, len + dataoffset + 1);
1781 else if (SvCUR (data) < len + dataoffset)
1782 croak ("length + dataoffset outside of scalar, and cannot grow");
794 } 1783 }
795 1784
796 { 1785 {
797 dREQ; 1786 dREQ;
798 1787
… …
814 REQ_SEND; 1803 REQ_SEND;
815 } 1804 }
816} 1805}
817 1806
818void 1807void
819aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1808aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
820 PROTOTYPE: $$;$ 1809 ALIAS:
1810 aio_ioctl = EIO_IOCTL
1811 aio_fcntl = EIO_FCNTL
821 PPCODE: 1812 PPCODE:
822{ 1813{
823 SV *data; 1814 int fd = s_fileno_croak (fh, 0);
1815 char *svptr;
1816
1817 if (SvPOK (arg) || !SvNIOK (arg))
1818 {
1819 STRLEN svlen;
1820 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1821#ifdef IOCPARM_LEN
1822 STRLEN need = IOCPARM_LEN (request);
1823#else
1824 STRLEN need = 256;
1825#endif
1826
1827 if (svlen < need)
1828 svptr = SvGROW (arg, need);
1829 }
1830 else
1831 svptr = (char *)SvIV (arg);
1832
1833 {
1834 dREQ;
1835
1836 req->type = ix;
1837 req->sv1 = newSVsv (fh);
1838 req->int1 = fd;
1839 req->int2 = (long)request;
1840 req->sv2 = SvREFCNT_inc (arg);
1841 req->ptr2 = svptr;
1842
1843 REQ_SEND;
1844 }
1845}
1846
1847void
1848aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1849 ALIAS:
1850 aio_readlink = EIO_READLINK
1851 aio_realpath = EIO_REALPATH
1852 PPCODE:
1853{
824 dREQ; 1854 dREQ;
825 1855
826 req->type = EIO_READLINK; 1856 req->type = ix;
827 req->sv1 = newSVsv (path); 1857 req_set_path1 (req, pathname);
828 req->ptr1 = SvPVbyte_nolen (req->sv1);
829 1858
830 REQ_SEND; 1859 REQ_SEND;
831} 1860}
832 1861
833void 1862void
834aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
835 PROTOTYPE: $$$$;$
836 PPCODE: 1864 PPCODE:
837{ 1865{
838 int ifd = extract_fd (in_fh , 0); 1866 int ifd = s_fileno_croak (in_fh , 0);
839 int ofd = extract_fd (out_fh, 0); 1867 int ofd = s_fileno_croak (out_fh, 1);
840 dREQ; 1868 dREQ;
841 1869
842 req->type = EIO_SENDFILE; 1870 req->type = EIO_SENDFILE;
843 req->sv1 = newSVsv (out_fh); 1871 req->sv1 = newSVsv (out_fh);
844 req->int1 = ofd; 1872 req->int1 = ofd;
… …
849 1877
850 REQ_SEND; 1878 REQ_SEND;
851} 1879}
852 1880
853void 1881void
854aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1882aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
855 PROTOTYPE: $$$;$
856 PPCODE: 1883 PPCODE:
857{ 1884{
858 int fd = extract_fd (fh, 0); 1885 int fd = s_fileno_croak (fh, 0);
859 dREQ; 1886 dREQ;
860 1887
861 req->type = EIO_READAHEAD; 1888 req->type = EIO_READAHEAD;
862 req->sv1 = newSVsv (fh); 1889 req->sv1 = newSVsv (fh);
863 req->int1 = fd; 1890 req->int1 = fd;
… …
866 1893
867 REQ_SEND; 1894 REQ_SEND;
868} 1895}
869 1896
870void 1897void
871aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1898aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
872 ALIAS: 1899 ALIAS:
873 aio_stat = EIO_STAT 1900 aio_stat = EIO_STAT
874 aio_lstat = EIO_LSTAT 1901 aio_lstat = EIO_LSTAT
1902 aio_statvfs = EIO_STATVFS
875 PPCODE: 1903 PPCODE:
876{ 1904{
877 dREQ; 1905 dREQ;
878 1906
879 req->sv1 = newSVsv (fh_or_path); 1907 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
880
881 if (SvPOK (req->sv1))
882 {
883 req->type = ix;
884 req->ptr1 = SvPVbyte_nolen (req->sv1);
885 }
886 else
887 {
888 req->type = EIO_FSTAT;
889 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890 }
891 1908
892 REQ_SEND; 1909 REQ_SEND;
893} 1910}
894 1911
895void 1912void
1913st_xtime ()
1914 ALIAS:
1915 st_atime = 0x01
1916 st_mtime = 0x02
1917 st_ctime = 0x04
1918 st_btime = 0x08
1919 st_xtime = 0x0f
1920 PPCODE:
1921 EXTEND (SP, 4);
1922 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1923 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1924 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1925 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1926
1927void
1928st_xtimensec ()
1929 ALIAS:
1930 st_atimensec = 0x01
1931 st_mtimensec = 0x02
1932 st_ctimensec = 0x04
1933 st_btimensec = 0x08
1934 st_xtimensec = 0x0f
1935 st_btimesec = 0x10
1936 st_gen = 0x20
1937 PPCODE:
1938 EXTEND (SP, 4);
1939 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1940 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1941 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1942 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1943 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1944 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1945
1946UV
1947major (UV dev)
1948 ALIAS:
1949 minor = 1
1950 CODE:
1951 RETVAL = ix ? minor (dev) : major (dev);
1952 OUTPUT:
1953 RETVAL
1954
1955UV
1956makedev (UV maj, UV min)
1957 CODE:
1958 RETVAL = makedev (maj, min);
1959 OUTPUT:
1960 RETVAL
1961
1962void
896aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1963aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
897 PPCODE: 1964 PPCODE:
898{ 1965{
899 dREQ; 1966 dREQ;
900 1967
901 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1968 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
902 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1969 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
903 req->sv1 = newSVsv (fh_or_path); 1970 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
904
905 if (SvPOK (req->sv1))
906 {
907 req->type = EIO_UTIME;
908 req->ptr1 = SvPVbyte_nolen (req->sv1);
909 }
910 else
911 {
912 req->type = EIO_FUTIME;
913 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
914 }
915 1971
916 REQ_SEND; 1972 REQ_SEND;
917} 1973}
918 1974
919void 1975void
920aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1976aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
921 PPCODE: 1977 PPCODE:
922{ 1978{
923 dREQ; 1979 dREQ;
924 1980
925 req->sv1 = newSVsv (fh_or_path);
926 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1981 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
927 1982 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
928 if (SvPOK (req->sv1))
929 {
930 req->type = EIO_TRUNCATE;
931 req->ptr1 = SvPVbyte_nolen (req->sv1);
932 }
933 else
934 {
935 req->type = EIO_FTRUNCATE;
936 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
937 }
938 1983
939 REQ_SEND; 1984 REQ_SEND;
940} 1985}
941 1986
942void 1987void
943aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1988aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
944 ALIAS:
945 aio_chmod = EIO_CHMOD
946 aio_mkdir = EIO_MKDIR
947 PPCODE: 1989 PPCODE:
948{ 1990{
949 dREQ; 1991 dREQ;
950 1992
951 req->int2 = mode; 1993 req->int2 = mode;
952 req->sv1 = newSVsv (fh_or_path); 1994 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
953
954 if (SvPOK (req->sv1))
955 {
956 req->type = ix;
957 req->ptr1 = SvPVbyte_nolen (req->sv1);
958 }
959 else
960 {
961 req->type = EIO_FCHMOD;
962 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
963 }
964 1995
965 REQ_SEND; 1996 REQ_SEND;
966} 1997}
967 1998
968void 1999void
969aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 2000aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
970 PPCODE: 2001 PPCODE:
971{ 2002{
972 dREQ; 2003 dREQ;
973 2004
974 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 2005 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
975 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 2006 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
976 req->sv1 = newSVsv (fh_or_path); 2007 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
977
978 if (SvPOK (req->sv1))
979 {
980 req->type = EIO_CHOWN;
981 req->ptr1 = SvPVbyte_nolen (req->sv1);
982 }
983 else
984 {
985 req->type = EIO_FCHOWN;
986 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
987 }
988 2008
989 REQ_SEND; 2009 REQ_SEND;
990} 2010}
991 2011
992void 2012void
993aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 2013aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
994 PPCODE: 2014 PPCODE:
995{ 2015{
996 dREQ; 2016 dREQ;
997 2017
998 req->type = EIO_READDIR; 2018 req->type = EIO_READDIR;
999 req->sv1 = newSVsv (pathname);
1000 req->ptr1 = SvPVbyte_nolen (req->sv1);
1001 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 2019 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1002 2020
1003 if (flags & EIO_READDIR_DENTS) 2021 if (flags & EIO_READDIR_DENTS)
1004 req->int1 |= EIO_READDIR_CUSTOM2; 2022 req->int1 |= EIO_READDIR_CUSTOM2;
1005 2023
2024 req_set_path1 (req, pathname);
2025
1006 REQ_SEND; 2026 REQ_SEND;
1007} 2027}
1008 2028
1009void 2029void
2030aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
2031 PPCODE:
2032{
2033 dREQ;
2034
2035 req->type = EIO_MKDIR;
2036 req->int2 = mode;
2037 req_set_path1 (req, pathname);
2038
2039 REQ_SEND;
2040}
2041
2042void
1010aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 2043aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1011 ALIAS: 2044 ALIAS:
1012 aio_unlink = EIO_UNLINK 2045 aio_unlink = EIO_UNLINK
1013 aio_rmdir = EIO_RMDIR 2046 aio_rmdir = EIO_RMDIR
1014 aio_readdir = EIO_READDIR 2047 aio_readdir = EIO_READDIR
1015 PPCODE: 2048 PPCODE:
1016{ 2049{
1017 dREQ; 2050 dREQ;
1018 2051
1019 req->type = ix; 2052 req->type = ix;
1020 req->sv1 = newSVsv (pathname); 2053 req_set_path1 (req, pathname);
1021 req->ptr1 = SvPVbyte_nolen (req->sv1);
1022 2054
1023 REQ_SEND; 2055 REQ_SEND;
1024} 2056}
1025 2057
1026void 2058void
1027aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 2059aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1028 ALIAS: 2060 ALIAS:
1029 aio_link = EIO_LINK 2061 aio_link = EIO_LINK
1030 aio_symlink = EIO_SYMLINK 2062 aio_symlink = EIO_SYMLINK
1031 aio_rename = EIO_RENAME 2063 aio_rename = EIO_RENAME
1032 PPCODE: 2064 PPCODE:
1033{ 2065{
2066 eio_wd wd2 = 0;
1034 dREQ; 2067 dREQ;
1035 2068
1036 req->type = ix; 2069 req->type = ix;
1037 req->sv1 = newSVsv (oldpath); 2070 req_set_path1 (req, oldpath);
1038 req->ptr1 = SvPVbyte_nolen (req->sv1); 2071 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1039 req->sv2 = newSVsv (newpath); 2072 req->int3 = (long)wd2;
1040 req->ptr2 = SvPVbyte_nolen (req->sv2);
1041 2073
1042 REQ_SEND; 2074 REQ_SEND;
1043} 2075}
1044 2076
1045void 2077void
2078aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
2079 PPCODE:
2080{
2081 eio_wd wd2 = 0;
2082 dREQ;
2083
2084 req->type = EIO_RENAME;
2085 req_set_path1 (req, oldpath);
2086 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
2087 req->int2 = flags;
2088 req->int3 = (long)wd2;
2089
2090 REQ_SEND;
2091}
2092
2093void
1046aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2094aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1047 PPCODE: 2095 PPCODE:
1048{ 2096{
1049 dREQ; 2097 dREQ;
1050 2098
1051 req->type = EIO_MKNOD; 2099 req->type = EIO_MKNOD;
1052 req->sv1 = newSVsv (pathname);
1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
1054 req->int2 = (mode_t)mode; 2100 req->int2 = (mode_t)mode;
1055 req->offs = dev; 2101 req->offs = dev;
2102 req_set_path1 (req, pathname);
1056 2103
1057 REQ_SEND; 2104 REQ_SEND;
1058} 2105}
1059 2106
1060void 2107void
2108aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
2109 ALIAS:
2110 aio_mtouch = EIO_MTOUCH
2111 aio_msync = EIO_MSYNC
2112 PPCODE:
2113{
2114 STRLEN svlen;
2115 char *svptr = SvPVbyte (data, svlen);
2116 UV len = SvUV (length);
2117
2118 if (flags < 0)
2119 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
2120
2121 if (offset < 0)
2122 offset += svlen;
2123
2124 if (offset < 0 || offset > svlen)
2125 croak ("offset outside of scalar");
2126
2127 if (!SvOK (length) || len + offset > svlen)
2128 len = svlen - offset;
2129
2130 {
2131 dREQ;
2132
2133 req->type = ix;
2134 req->sv2 = SvREFCNT_inc (data);
2135 req->ptr2 = (char *)svptr + offset;
2136 req->size = len;
2137 req->int1 = flags;
2138
2139 REQ_SEND;
2140 }
2141}
2142
2143void
2144aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2145 PPCODE:
2146{
2147 STRLEN svlen;
2148 char *svptr = SvPVbyte (data, svlen);
2149 UV len = SvUV (length);
2150
2151 if (offset < 0)
2152 offset += svlen;
2153
2154 if (offset < 0 || offset > svlen)
2155 croak ("offset outside of scalar");
2156
2157 if (!SvOK (length) || len + offset > svlen)
2158 len = svlen - offset;
2159
2160 {
2161 dREQ;
2162
2163 req->type = EIO_MLOCK;
2164 req->sv2 = SvREFCNT_inc (data);
2165 req->ptr2 = (char *)svptr + offset;
2166 req->size = len;
2167
2168 REQ_SEND;
2169 }
2170}
2171
2172void
2173aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2174 PPCODE:
2175{
2176 dREQ;
2177
2178 req->type = EIO_MLOCKALL;
2179 req->int1 = flags;
2180
2181 REQ_SEND;
2182}
2183
2184void
2185aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2186 PPCODE:
2187{
2188 int fd = s_fileno_croak (fh, 0);
2189 dREQ;
2190
2191 req->type = EIO_CUSTOM;
2192 req->sv1 = newSVsv (fh);
2193 req->int1 = fd;
2194
2195 req->feed = fiemap;
2196#if HAVE_FIEMAP
2197 /* keep our fingers crossed that the next two types are 64 bit */
2198 req->offs = start;
2199 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2200 req->int2 = flags;
2201 req->int3 = SvOK (count) ? SvIV (count) : -1;
2202#endif
2203
2204 REQ_SEND;
2205}
2206
2207void
2208aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2209 PPCODE:
2210{
2211 char *svptr = 0;
2212
2213 sv_clear_foreign (data);
2214
2215 if (length) /* known length, directly read into scalar */
2216 {
2217 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2218 svptr = sv_grow (data, length + 1);
2219 else if (SvCUR (data) < length)
2220 croak ("length outside of scalar, and cannot grow");
2221 else
2222 svptr = SvPVbyte_nolen (data);
2223 }
2224
2225 {
2226 dREQ;
2227
2228 req->type = EIO_SLURP;
2229 req_set_path1 (req, pathname);
2230 req->offs = offset;
2231 req->size = length;
2232 req->sv2 = SvREFCNT_inc (data);
2233 req->ptr2 = svptr;
2234
2235 if (!SvREADONLY (data))
2236 {
2237 SvREADONLY_on (data);
2238 req->flags |= FLAG_SV2_RO_OFF;
2239 }
2240
2241 REQ_SEND;
2242 }
2243}
2244
2245void
1061aio_busy (double delay, SV *callback=&PL_sv_undef) 2246aio_busy (double delay, SV *callback = &PL_sv_undef)
1062 PPCODE: 2247 PPCODE:
1063{ 2248{
1064 dREQ; 2249 dREQ;
1065 2250
1066 req->type = EIO_BUSY; 2251 req->type = EIO_BUSY;
… …
1068 2253
1069 REQ_SEND; 2254 REQ_SEND;
1070} 2255}
1071 2256
1072void 2257void
1073aio_group (SV *callback=&PL_sv_undef) 2258aio_group (SV *callback = &PL_sv_undef)
1074 PROTOTYPE: ;$
1075 PPCODE: 2259 PPCODE:
1076{ 2260{
1077 dREQ; 2261 dREQ;
1078 2262
1079 req->type = EIO_GROUP; 2263 req->type = EIO_GROUP;
1080 2264
2265 PUTBACK;
1081 req_submit (req); 2266 req_submit (req);
2267 SPAGAIN;
2268
1082 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2269 XPUSHs (req_sv (req, aio_grp_stash));
1083} 2270}
1084 2271
1085void 2272void
1086aio_nop (SV *callback=&PL_sv_undef) 2273aio_nop (SV *callback = &PL_sv_undef)
1087 ALIAS: 2274 ALIAS:
1088 aio_nop = EIO_NOP 2275 aio_nop = EIO_NOP
1089 aio_sync = EIO_SYNC 2276 aio_sync = EIO_SYNC
1090 PPCODE: 2277 PPCODE:
1091{ 2278{
… …
1095 2282
1096 REQ_SEND; 2283 REQ_SEND;
1097} 2284}
1098 2285
1099int 2286int
1100aioreq_pri (int pri = 0) 2287aioreq_pri (int pri = NO_INIT)
1101 PROTOTYPE: ;$
1102 CODE: 2288 CODE:
1103 RETVAL = next_pri; 2289 RETVAL = next_pri;
1104 if (items > 0) 2290 if (items > 0)
1105 { 2291 {
1106 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2292 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1118 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2304 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1119 next_pri = nice; 2305 next_pri = nice;
1120 2306
1121void 2307void
1122flush () 2308flush ()
1123 PROTOTYPE:
1124 CODE: 2309 CODE:
1125 while (eio_nreqs ()) 2310 while (eio_nreqs ())
1126 { 2311 {
1127 poll_wait (); 2312 poll_wait ();
1128 poll_cb (); 2313 poll_cb ();
1129 } 2314 }
1130 2315
1131int 2316int
1132poll() 2317poll ()
1133 PROTOTYPE:
1134 CODE: 2318 CODE:
1135 poll_wait (); 2319 poll_wait ();
1136 RETVAL = poll_cb (); 2320 RETVAL = poll_cb ();
1137 OUTPUT: 2321 OUTPUT:
1138 RETVAL 2322 RETVAL
1139 2323
1140int 2324int
1141poll_fileno() 2325poll_fileno ()
1142 PROTOTYPE:
1143 CODE: 2326 CODE:
1144 RETVAL = respipe [0]; 2327 RETVAL = s_epipe_fd (&respipe);
1145 OUTPUT: 2328 OUTPUT:
1146 RETVAL 2329 RETVAL
1147 2330
1148int 2331int
1149poll_cb(...) 2332poll_cb (...)
1150 PROTOTYPE: 2333 PROTOTYPE:
1151 CODE: 2334 CODE:
1152 RETVAL = poll_cb (); 2335 RETVAL = poll_cb ();
1153 OUTPUT: 2336 OUTPUT:
1154 RETVAL 2337 RETVAL
1155 2338
1156void 2339void
1157poll_wait() 2340poll_wait ()
1158 PROTOTYPE:
1159 CODE: 2341 CODE:
1160 poll_wait (); 2342 poll_wait ();
1161 2343
1162int 2344int
1163nreqs() 2345nreqs ()
1164 PROTOTYPE:
1165 CODE: 2346 CODE:
1166 RETVAL = eio_nreqs (); 2347 RETVAL = eio_nreqs ();
1167 OUTPUT: 2348 OUTPUT:
1168 RETVAL 2349 RETVAL
1169 2350
1170int 2351int
1171nready() 2352nready ()
1172 PROTOTYPE:
1173 CODE: 2353 CODE:
1174 RETVAL = eio_nready (); 2354 RETVAL = eio_nready ();
1175 OUTPUT: 2355 OUTPUT:
1176 RETVAL 2356 RETVAL
1177 2357
1178int 2358int
1179npending() 2359npending ()
1180 PROTOTYPE:
1181 CODE: 2360 CODE:
1182 RETVAL = eio_npending (); 2361 RETVAL = eio_npending ();
1183 OUTPUT: 2362 OUTPUT:
1184 RETVAL 2363 RETVAL
1185 2364
1186int 2365int
1187nthreads() 2366nthreads ()
1188 PROTOTYPE:
1189 CODE: 2367 CODE:
1190 RETVAL = eio_nthreads (); 2368 RETVAL = eio_nthreads ();
1191 OUTPUT: 2369 OUTPUT:
1192 RETVAL 2370 RETVAL
1193 2371
1194int 2372int
1195fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2373fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1196 PROTOTYPE: $$$$
1197 CODE: 2374 CODE:
1198{
1199 #if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1200 RETVAL = posix_fadvise (fh, offset, length, advice); 2375 RETVAL = posix_fadvise (fh, offset, length, advice);
1201 #else
1202 RETVAL = errno = ENOSYS;
1203 #endif
1204}
1205 OUTPUT: 2376 OUTPUT:
1206 RETVAL 2377 RETVAL
1207 2378
2379IV
2380sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2381 CODE:
2382 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2383 OUTPUT:
2384 RETVAL
2385
2386void
2387mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2388 PPCODE:
2389 sv_clear_foreign (scalar);
2390{
2391 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2392 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2393 if (addr == (void *)-1)
2394 XSRETURN_NO;
2395
2396 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2397
2398 if (!(prot & PROT_WRITE))
2399 SvREADONLY_on (scalar);
2400
2401 XSRETURN_YES;
2402}
2403
2404void
2405munmap (SV *scalar)
2406 CODE:
2407 sv_clear_foreign (scalar);
2408
2409SV *
2410mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2411 CODE:
2412{
2413 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2414 void *new;
2415
2416 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2417 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2418
2419 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2420
2421 RETVAL = &PL_sv_no;
2422
2423 if (new != (void *)-1)
2424 {
2425 RETVAL = new == (void *)mg->mg_ptr
2426 ? newSVpvn ("0 but true", 10)
2427 : &PL_sv_yes;
2428
2429 mg->mg_ptr = (char *)new;
2430 mg->mg_obj = (SV *)new_length;
2431
2432 SvPVX (scalar) = mg->mg_ptr;
2433 SvCUR_set (scalar, new_length);
2434 }
2435}
2436 OUTPUT:
2437 RETVAL
2438
2439int
2440madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2441 ALIAS:
2442 mprotect = 1
2443 CODE:
2444{
2445 STRLEN svlen;
2446 void *addr = SvPVbyte (scalar, svlen);
2447 STRLEN len = SvUV (length);
2448
2449 if (offset < 0)
2450 offset += svlen;
2451
2452 if (offset < 0 || offset > svlen)
2453 croak ("offset outside of scalar");
2454
2455 if (!SvOK (length) || len + offset > svlen)
2456 len = svlen - offset;
2457
2458 addr = (void *)(((intptr_t)addr) + offset);
2459 eio_page_align (&addr, &len);
2460
2461 switch (ix)
2462 {
2463 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2464 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2465 }
2466}
2467 OUTPUT:
2468 RETVAL
2469
2470int
2471munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2472 CODE:
2473{
2474 STRLEN svlen;
2475 void *addr = SvPVbyte (scalar, svlen);
2476 size_t len = SvUV (length);
2477
2478 if (offset < 0)
2479 offset += svlen;
2480
2481 if (offset < 0 || offset > svlen)
2482 croak ("offset outside of scalar");
2483
2484 if (!SvOK (length) || len + offset > svlen)
2485 len = svlen - offset;
2486
2487 addr = (void *)(((intptr_t)addr) + offset);
2488 eio_page_align (&addr, &len);
2489#if _POSIX_MEMLOCK_RANGE
2490 RETVAL = munlock (addr, len);
2491#else
2492 RETVAL = EIO_ENOSYS ();
2493#endif
2494}
2495 OUTPUT:
2496 RETVAL
2497
2498int
2499mlockall (int flags)
2500 PROTOTYPE: $;
2501 CODE:
2502 RETVAL = eio_mlockall_sync (flags);
2503 OUTPUT:
2504 RETVAL
2505
2506int
2507munlockall ()
2508 CODE:
2509#if _POSIX_MEMLOCK
2510 munlockall ();
2511#else
2512 RETVAL = EIO_ENOSYS ();
2513#endif
2514 OUTPUT:
2515 RETVAL
2516
2517int
2518statx (SV8 *pathname, int flags, UV mask)
2519 CODE:
2520{
2521 /* undocumented, and might go away, and anyway, should use eio_statx */
2522 SV *wdsv = 0;
2523 SV *pathsv = 0;
2524 eio_wd wd = EIO_CWD;
2525 void *ptr;
2526 int res;
2527
2528 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2529 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2530
2531 SvREFCNT_dec (pathsv);
2532 SvREFCNT_dec (wdsv);
2533}
2534 OUTPUT:
2535 RETVAL
2536
2537U32
2538stx_mode ()
2539 PROTOTYPE:
2540 CODE:
2541#if HAVE_STATX
2542 RETVAL = stx.stx_mode;
2543#else
2544 XSRETURN_UNDEF;
2545#endif
2546 OUTPUT:
2547 RETVAL
2548
2549#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2550#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2551#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2552#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2553#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2554#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2555#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2556#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2557#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2558#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2559#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2560#define STATX_OFFSET_size statx_offsetof (stx_size)
2561#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2562#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2563#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2564#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2565#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2566#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2567
2568U32
2569stx_mask ()
2570 PROTOTYPE:
2571 ALIAS:
2572 stx_mask = STATX_OFFSET_mask
2573 stx_blksize = STATX_OFFSET_blksize
2574 stx_nlink = STATX_OFFSET_nlink
2575 stx_uid = STATX_OFFSET_uid
2576 stx_gid = STATX_OFFSET_gid
2577 stx_rdev_major = STATX_OFFSET_rdev_major
2578 stx_rdev_minor = STATX_OFFSET_rdev_minor
2579 stx_dev_major = STATX_OFFSET_dev_major
2580 stx_dev_minor = STATX_OFFSET_dev_minor
2581 CODE:
2582#if HAVE_STATX
2583 RETVAL = *(__u32 *)((char *)&stx + ix);
2584#else
2585 XSRETURN_UNDEF;
2586#endif
2587 OUTPUT:
2588 RETVAL
2589
2590VAL64
2591stx_attributes ()
2592 PROTOTYPE:
2593 ALIAS:
2594 stx_attributes = STATX_OFFSET_attributes
2595 stx_ino = STATX_OFFSET_ino
2596 stx_size = STATX_OFFSET_size
2597 stx_blocks = STATX_OFFSET_blocks
2598 stx_attributes_mask = STATX_OFFSET_attributes_mask
2599 CODE:
2600#if HAVE_STATX
2601 RETVAL = *(__u64 *)((char *)&stx + ix);
2602#else
2603 XSRETURN_UNDEF;
2604#endif
2605 OUTPUT:
2606 RETVAL
2607
2608NV
2609stx_atime ()
2610 PROTOTYPE:
2611 ALIAS:
2612 stx_atime = STATX_OFFSET_atime
2613 stx_btime = STATX_OFFSET_btime
2614 stx_ctime = STATX_OFFSET_ctime
2615 stx_mtime = STATX_OFFSET_mtime
2616 CODE:
2617#if HAVE_STATX
2618 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2619 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2620#else
2621 XSRETURN_UNDEF;
2622#endif
2623 OUTPUT:
2624 RETVAL
2625
2626VAL64
2627stx_atimesec ()
2628 PROTOTYPE:
2629 ALIAS:
2630 stx_atimesec = STATX_OFFSET_atime
2631 stx_btimesec = STATX_OFFSET_btime
2632 stx_ctimesec = STATX_OFFSET_ctime
2633 stx_mtimesec = STATX_OFFSET_mtime
2634 CODE:
2635#if HAVE_STATX
2636 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2637 RETVAL = ts->tv_sec;
2638#else
2639 XSRETURN_UNDEF;
2640#endif
2641 OUTPUT:
2642 RETVAL
2643
2644U32
2645stx_atimensec ()
2646 PROTOTYPE:
2647 ALIAS:
2648 stx_atimensec = STATX_OFFSET_atime
2649 stx_btimensec = STATX_OFFSET_btime
2650 stx_ctimensec = STATX_OFFSET_ctime
2651 stx_mtimensec = STATX_OFFSET_mtime
2652 CODE:
2653#if HAVE_STATX
2654 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2655 RETVAL = ts->tv_nsec;
2656#else
2657 RETVAL = 0;
2658#endif
2659 OUTPUT:
2660 RETVAL
2661
2662void
2663accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2664 PPCODE:
2665{
2666 SV *retval;
2667#if HAVE_ACCEPT4
2668 socklen_t salen_ = salen ? salen + 1 : 0;
2669
2670 if (salen)
2671 {
2672 sv_upgrade (sockaddr, SVt_PV);
2673 sv_grow (sockaddr, salen_);
2674 }
2675
2676 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2677
2678 retval = newmortalFH (res, O_RDWR);
2679
2680 if (res >= 0 && salen > 0)
2681 {
2682 if (salen_ > salen + 1)
2683 salen_ = salen + 1;
2684
2685 SvPOK_only (sockaddr);
2686 SvCUR_set (sockaddr, salen_);
2687 }
2688#else
2689 errno = ENOSYS;
2690 retval = &PL_sv_undef;
2691#endif
2692 XPUSHs (retval);
2693}
2694
1208ssize_t 2695ssize_t
1209sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2696splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1210 PROTOTYPE: $$$$
1211 CODE: 2697 CODE:
1212 eio_sendfile_sync (ofh, ifh, offset, count); 2698{
2699#if HAVE_LINUX_SPLICE
2700 loff_t off_in_, off_out_;
2701 RETVAL = splice (
2702 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2703 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2704 length, flags
2705 );
2706#else
2707 RETVAL = EIO_ENOSYS ();
2708#endif
2709}
2710 OUTPUT:
2711 RETVAL
2712
2713ssize_t
2714tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2715 CODE:
2716#if HAVE_LINUX_SPLICE
2717 RETVAL = tee (rfh, wfh, length, flags);
2718#else
2719 RETVAL = EIO_ENOSYS ();
2720#endif
2721 OUTPUT:
2722 RETVAL
2723
2724int
2725pipesize (aio_rfd rfh, int new_size = -1)
2726 PROTOTYPE: $;$
2727 CODE:
2728#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2729 if (new_size >= 0)
2730 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2731 else
2732 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2733#else
2734 errno = ENOSYS;
2735 RETVAL = -1;
2736#endif
2737 OUTPUT:
2738 RETVAL
2739
2740void
2741pipe2 (int flags = 0)
2742 PROTOTYPE: ;$
2743 PPCODE:
2744{
2745 int fd[2];
2746 int res;
2747
2748 if (flags)
2749#if HAVE_PIPE2
2750 res = pipe2 (fd, flags);
2751#else
2752 res = (errno = ENOSYS, -1);
2753#endif
2754 else
2755 res = pipe (fd);
2756
2757 if (!res)
2758 {
2759 EXTEND (SP, 2);
2760 PUSHs (newmortalFH (fd[0], O_RDONLY));
2761 PUSHs (newmortalFH (fd[1], O_WRONLY));
2762 }
2763}
2764
2765void
2766pidfd_open (int pid, unsigned int flags = 0)
2767 PPCODE:
2768{
2769 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2770 int fd = syscall (SYS_pidfd_open, pid, flags);
2771 XPUSHs (newmortalFH (fd, O_RDWR));
2772}
2773
2774int
2775pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2776 PPCODE:
2777{
2778 int res;
2779#if HAVE_SIGINFO_T
2780 siginfo_t si = { 0 };
2781
2782 if (SvOK (siginfo))
2783 {
2784 HV *hv;
2785 SV **svp;
2786
2787 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2788 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2789
2790 hv = (HV *)SvRV (siginfo);
2791
2792 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2793 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2794 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2795 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2796 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2797 }
2798
2799 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2800 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2801#else
2802 res = (errno = ENOSYS, -1);
2803#endif
2804
2805 XPUSHs (sv_2mortal (newSViv (res)));
2806}
2807
2808void
2809pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2810 PPCODE:
2811{
2812 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2813 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2814 XPUSHs (newmortalFH (fd, O_RDWR));
2815}
2816
2817void
2818eventfd (unsigned int initval = 0, int flags = 0)
2819 PPCODE:
2820{
2821 int fd;
2822#if HAVE_EVENTFD
2823 fd = eventfd (initval, flags);
2824#else
2825 fd = (errno = ENOSYS, -1);
2826#endif
2827
2828 XPUSHs (newmortalFH (fd, O_RDWR));
2829}
2830
2831void
2832timerfd_create (int clockid, int flags = 0)
2833 PPCODE:
2834{
2835 int fd;
2836#if HAVE_TIMERFD
2837 fd = timerfd_create (clockid, flags);
2838#else
2839 fd = (errno = ENOSYS, -1);
2840#endif
2841
2842 XPUSHs (newmortalFH (fd, O_RDWR));
2843}
2844
2845void
2846timerfd_settime (SV *fh, int flags, NV interval, NV value)
2847 PPCODE:
2848{
2849 int fd = s_fileno_croak (fh, 0);
2850#if HAVE_TIMERFD
2851 int res;
2852 struct itimerspec its, ots;
2853
2854 ts_set (&its.it_interval, interval);
2855 ts_set (&its.it_value , value);
2856 res = timerfd_settime (fd, flags, &its, &ots);
2857
2858 if (!res)
2859 {
2860 EXTEND (SP, 2);
2861 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2862 PUSHs (newSVnv (ts_get (&ots.it_value)));
2863 }
2864#else
2865 errno = ENOSYS;
2866#endif
2867}
2868
2869void
2870timerfd_gettime (SV *fh)
2871 PPCODE:
2872{
2873 int fd = s_fileno_croak (fh, 0);
2874#if HAVE_TIMERFD
2875 int res;
2876 struct itimerspec ots;
2877 res = timerfd_gettime (fd, &ots);
2878
2879 if (!res)
2880 {
2881 EXTEND (SP, 2);
2882 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2883 PUSHs (newSVnv (ts_get (&ots.it_value)));
2884 }
2885#else
2886 errno = ENOSYS;
2887#endif
2888}
2889
2890void
2891memfd_create (octet_string pathname, int flags = 0)
2892 PPCODE:
2893{
2894 int fd;
2895#if HAVE_MEMFD_CREATE
2896 fd = memfd_create (pathname, flags);
2897#else
2898 fd = (errno = ENOSYS, -1);
2899#endif
2900
2901 XPUSHs (newmortalFH (fd, O_RDWR));
2902}
2903
2904int
2905fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2906 CODE:
2907{
2908 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2909 char **envp, **argv;
2910 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2911 if (!SvOK (envs))
2912 {
2913 extern char **environ;
2914 envp = environ;
2915 }
2916 else
2917 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2918#if _POSIX_VERSION >= 200809L
2919 RETVAL = fexecve (fd, argv, envp);
2920#else
2921 RETVAL = (errno = ENOSYS, -1);
2922#endif
2923}
2924 OUTPUT: RETVAL
2925
2926int
2927mount (octet_string special, octet_string path, octet_string fstype, UV flags = 0, octet_string_ornull data = 0)
2928 OUTPUT: RETVAL
2929
2930int
2931umount (octet_string path, int flags = 0)
2932 CODE:
2933 if (flags)
2934#if HAVE_UMOUNT2
2935 RETVAL = umount2 (path, flags);
2936#else
2937 RETVAL = (errno = ENOSYS, -1);
2938#endif
2939 else
2940 RETVAL = umount (path);
2941 OUTPUT: RETVAL
2942
2943UV
2944get_fdlimit ()
2945 CODE:
2946#if HAVE_RLIMITS
2947 struct rlimit rl;
2948 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2949 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2950#endif
2951 XSRETURN_UNDEF;
2952 OUTPUT:
2953 RETVAL
2954
2955void
2956min_fdlimit (UV limit = 0x7fffffffU)
2957 CODE:
2958{
2959#if HAVE_RLIMITS
2960 struct rlimit rl;
2961 rlim_t orig_rlim_max;
2962 UV bit;
2963
2964 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2965 goto fail;
2966
2967 if (rl.rlim_cur == RLIM_INFINITY)
2968 XSRETURN_YES;
2969
2970 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2971
2972 if (rl.rlim_cur < limit)
2973 {
2974 rl.rlim_cur = limit;
2975
2976 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2977 rl.rlim_max = rl.rlim_cur;
2978 }
2979
2980 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2981 XSRETURN_YES;
2982
2983 if (errno == EPERM)
2984 {
2985 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2986 /* our limit overflows a system-wide limit */
2987 /* try an adaptive algorithm, but do not lower the hardlimit */
2988 rl.rlim_max = 0;
2989 for (bit = 0x40000000U; bit; bit >>= 1)
2990 {
2991 rl.rlim_max |= bit;
2992 rl.rlim_cur = rl.rlim_max;
2993
2994 /* never decrease the hard limit */
2995 if (rl.rlim_max < orig_rlim_max)
2996 break;
2997
2998 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2999 rl.rlim_max &= ~bit; /* too high, remove bit again */
3000 }
3001
3002 /* now, raise the soft limit to the max permitted */
3003 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
3004 {
3005 rl.rlim_cur = rl.rlim_max;
3006 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
3007 errno = EPERM;
3008 }
3009 }
3010#endif
3011 fail:
3012 XSRETURN_UNDEF;
3013}
1213 3014
1214void _on_next_submit (SV *cb) 3015void _on_next_submit (SV *cb)
1215 CODE: 3016 CODE:
1216 SvREFCNT_dec (on_next_submit); 3017 SvREFCNT_dec (on_next_submit);
1217 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 3018 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1218 3019
1219PROTOTYPES: DISABLE 3020PROTOTYPES: DISABLE
1220 3021
3022MODULE = IO::AIO PACKAGE = IO::AIO::WD
3023
3024BOOT:
3025{
3026 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
3027 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
3028}
3029
3030void
3031DESTROY (SV *self)
3032 CODE:
3033{
3034 aio_wd wd = SvAIO_WD (self);
3035#if HAVE_AT
3036 {
3037 SV *callback = &PL_sv_undef;
3038 dREQ; /* clobbers next_pri :/ */
3039 next_pri = req->pri; /* restore next_pri */
3040 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
3041 req->type = EIO_WD_CLOSE;
3042 req->wd = wd;
3043 REQ_SEND;
3044 }
3045#else
3046 eio_wd_close_sync (wd);
3047#endif
3048}
3049
1221MODULE = IO::AIO PACKAGE = IO::AIO::REQ 3050MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1222 3051
1223void 3052void
1224cancel (aio_req_ornot req) 3053cancel (aio_req_ornot req)
1225 CODE: 3054 CODE:
1226 eio_cancel (req); 3055 eio_cancel (req);
1227 3056
1228void 3057void
1229cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 3058cb (aio_req_ornot req, SV *callback = NO_INIT)
1230 PPCODE: 3059 PPCODE:
1231{ 3060{
1232 if (GIMME_V != G_VOID) 3061 if (GIMME_V != G_VOID)
1233 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 3062 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1234 3063
… …
1299limit (aio_req grp, int limit) 3128limit (aio_req grp, int limit)
1300 CODE: 3129 CODE:
1301 eio_grp_limit (grp, limit); 3130 eio_grp_limit (grp, limit);
1302 3131
1303void 3132void
1304feed (aio_req grp, SV *callback=&PL_sv_undef) 3133feed (aio_req grp, SV *callback = &PL_sv_undef)
1305 CODE: 3134 CODE:
1306{ 3135{
1307 SvREFCNT_dec (grp->sv2); 3136 SvREFCNT_dec (grp->sv2);
1308 grp->sv2 = newSVsv (callback); 3137 grp->sv2 = newSVsv (callback);
1309 grp->feed = aio_grp_feed; 3138 grp->feed = aio_grp_feed;

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