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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.174 by root, Mon Nov 1 22:03:43 2010 UTC vs.
Revision 1.300 by root, Wed Sep 28 08:24:25 2022 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 20#include <limits.h>
18#include <fcntl.h> 21#include <fcntl.h>
19#include <sched.h> 22#include <sched.h>
20 23
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
24
25/* perl namespace pollution */ 24/* perl namespace pollution */
26#undef VERSION 25#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 26
77/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 28/* with thread-unsafe versions, imagine that :( */
79#undef readdir 29#undef readdir
80#undef opendir 30#undef opendir
81#undef closedir 31#undef closedir
82 32
33#ifdef _WIN32
34
35 // perl overrides all those nice libc functions
36
37 #undef malloc
38 #undef free
39 #undef open
40 #undef read
41 #undef write
42 #undef send
43 #undef recv
44 #undef stat
45 #undef lstat
46 #undef fstat
47 #undef truncate
48 #undef ftruncate
49 #undef open
50 #undef link
51 #undef close
52 #undef unlink
53 #undef mkdir
54 #undef rmdir
55 #undef rename
56 #undef lseek
57 #undef opendir
58 #undef readdir
59 #undef closedir
60 #undef chmod
61 #undef fchmod
62 #undef dup
63 #undef dup2
64 #undef abort
65 #undef pipe
66 #undef utime
67
68 #define EIO_STRUCT_STAT struct _stati64
69 #define EIO_STRUCT_STATI64
70
71#else
72
73 #include <sys/time.h>
74 #include <sys/select.h>
75 #include <sys/wait.h>
76 #include <unistd.h>
77 #include <utime.h>
78 #include <signal.h>
79
83#define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STAT Stat_t
84 81
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else
91# define VAL64 NV
92# define SvVAL64 SvNV
93# define newSVval64 newSVnv
94#endif 82#endif
95 83
96/*****************************************************************************/ 84/*****************************************************************************/
97 85
98#if __GNUC__ >= 3 86#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 92#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 93#define expect_true(expr) expect ((expr) != 0, 1)
106 94
107/*****************************************************************************/ 95/*****************************************************************************/
108 96
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
109typedef 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;
110typedef int aio_rfd; /* read file desriptor */ 184typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 185typedef int aio_wfd; /* write file descriptor */
112 186
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 187static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 188
115#define EIO_REQ_MEMBERS \ 189#define EIO_REQ_MEMBERS \
116 SV *callback; \ 190 SV *callback; \
117 SV *sv1, *sv2; \ 191 SV *sv1, *sv2; \
192 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 193 STRLEN stroffset; \
119 SV *self; 194 SV *self;
120 195
121#define EIO_NO_WRAPPERS 1 196#define EIO_NO_WRAPPERS 1
122 197
123#include "libeio/eio.h" 198#include "libeio/eio.h"
124 199
125#ifndef POSIX_FADV_NORMAL 200static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 201#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 202static void req_destroy (eio_req *grp);
128#endif 203#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 204
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 205#include "libeio/eio.c"
206
207#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 208# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 209#endif
148 210
149#ifndef POSIX_MADV_NORMAL 211#if !HAVE_POSIX_MADVISE
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef PROT_NONE
171# define PROT_NONE 0
172#endif
173#ifndef PROT_READ
174# define PROT_READ 0
175#endif
176#ifndef PROT_WRITE
177# define PROT_READ 0
178#endif
179#ifndef PROT_EXEC
180# define PROT_EXEC 0
181#endif
182
183#ifndef ST_NODEV
184# define ST_NODEV 0
185#endif
186#ifndef ST_NOEXEC
187# define ST_NOEXEC 0
188#endif
189#ifndef ST_SYNCHRONOUS
190# define ST_SYNCHRONOUS 0
191#endif
192#ifndef ST_MANDLOCK
193# define ST_MANDLOCK 0
194#endif
195#ifndef ST_WRITE
196# define ST_WRITE 0
197#endif
198#ifndef ST_APPEND
199# define ST_APPEND 0
200#endif
201#ifndef ST_IMMUTABLE
202# define ST_IMMUTABLE 0
203#endif
204#ifndef ST_NOATIME
205# define ST_NOATIME 0
206#endif
207#ifndef ST_NODIRATIME
208# define ST_NODIRATIME 0
209#endif
210#ifndef ST_RELATIME
211# define ST_RELATIME 0
212#endif 213#endif
213 214
214#ifndef MAP_ANONYMOUS 215#ifndef MAP_ANONYMOUS
215# ifdef MAP_ANON 216# ifdef MAP_ANON
216# define MAP_ANONYMOUS MAP_ANON 217# define MAP_ANONYMOUS MAP_ANON
217# else 218# else
218# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 219# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
219# endif 220# endif
220#endif 221#endif
221#ifndef MAP_HUGETLB
222# define MAP_HUGETLB 0
223#endif
224#ifndef MAP_LOCKED
225# define MAP_LOCKED 0
226#endif
227#ifndef MAP_NORESERVE
228# define MAP_NORESERVE 0
229#endif
230#ifndef MAP_POPULATE
231# define MAP_POPULATE 0
232#endif
233#ifndef MAP_NONBLOCK
234# define MAP_NONBLOCK 0
235#endif
236 222
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
237#ifndef PAGESIZE 235# undef PAGESIZE
236#endif
237
238#if PAGESIZE <= 0
238# define PAGESIZE sysconf (_SC_PAGESIZE) 239# define PAGESIZE sysconf (_SC_PAGESIZE)
239#endif 240#endif
240 241
241static int req_invoke (eio_req *req); 242/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
242#define EIO_FINISH(req) req_invoke (req) 243#ifdef __sun
243static void req_destroy (eio_req *grp); 244# undef HAVE_SYSCALL
244#define EIO_DESTROY(req) req_destroy (req) 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
245 465
246enum { 466enum {
247 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 467 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
248}; 468};
249 469
250#include "libeio/eio.c"
251
252typedef eio_req *aio_req; 470typedef eio_req *aio_req;
253typedef eio_req *aio_req_ornot; 471typedef eio_req *aio_req_ornot;
472typedef eio_wd aio_wd;
254 473
255static SV *on_next_submit; 474static SV *on_next_submit;
256static int next_pri = EIO_PRI_DEFAULT; 475static int next_pri = EIO_PRI_DEFAULT;
257static int max_outstanding; 476static int max_outstanding;
258 477
259static s_epipe respipe; 478static s_epipe respipe;
260 479
261static void req_destroy (aio_req req); 480static void req_destroy (aio_req req);
262static void req_cancel (aio_req req); 481static void req_cancel (aio_req req);
263 482
264static void want_poll (void) 483static void
484want_poll (void)
265{ 485{
266 /* write a dummy byte to the pipe so fh becomes ready */ 486 /* write a dummy byte to the pipe so fh becomes ready */
267 s_epipe_signal (&respipe); 487 s_epipe_signal (&respipe);
268} 488}
269 489
270static void done_poll (void) 490static void
491done_poll (void)
271{ 492{
272 /* read any signals sent by the worker threads */ 493 /* read any signals sent by the worker threads */
273 s_epipe_drain (&respipe); 494 s_epipe_drain (&respipe);
274} 495}
275 496
276/* must be called at most once */ 497/* must be called at most once */
498ecb_noinline
499static SV *
277static SV *req_sv (aio_req req, HV *stash) 500req_sv (aio_req req, HV *stash)
278{ 501{
279 if (!req->self) 502 if (!req->self)
280 { 503 {
281 req->self = (SV *)newHV (); 504 req->self = (SV *)newHV ();
282 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 505 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
283 } 506 }
284 507
285 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 508 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
286} 509}
287 510
288static 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)
289{ 520{
290 MAGIC *mg; 521 MAGIC *mg;
291 522
292 if (!SvROK (sv) 523 if (!SvROK (sv)
524 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
293 || (SvSTASH (SvRV (sv)) != aio_grp_stash 525 || (SvSTASH (SvRV (sv)) != aio_grp_stash
294 && SvSTASH (SvRV (sv)) != aio_req_stash 526 && SvSTASH (SvRV (sv)) != aio_req_stash
295 && !sv_derived_from (sv, "IO::AIO::REQ"))) 527 && !sv_derived_from (sv, "IO::AIO::REQ")))
296 croak ("object of class IO::AIO::REQ expected"); 528 croak ("object of class IO::AIO::REQ expected");
297 529
298 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 530 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
299 531
300 return mg ? (aio_req)mg->mg_ptr : 0; 532 return mg ? (aio_req)mg->mg_ptr : 0;
301} 533}
302 534
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
303static void aio_grp_feed (aio_req grp) 572aio_grp_feed (aio_req grp)
304{ 573{
305 if (grp->sv2 && SvOK (grp->sv2)) 574 if (grp->sv2 && SvOK (grp->sv2))
306 { 575 {
307 dSP; 576 dSP;
308 577
… …
316 FREETMPS; 585 FREETMPS;
317 LEAVE; 586 LEAVE;
318 } 587 }
319} 588}
320 589
590ecb_noinline
591static void
321static void req_submit (eio_req *req) 592req_submit (eio_req *req)
322{ 593{
323 eio_submit (req); 594 eio_submit (req);
324 595
325 if (expect_false (on_next_submit)) 596 if (expect_false (on_next_submit))
326 { 597 {
… …
333 PUTBACK; 604 PUTBACK;
334 call_sv (cb, G_DISCARD | G_EVAL); 605 call_sv (cb, G_DISCARD | G_EVAL);
335 } 606 }
336} 607}
337 608
609static int
338static int req_invoke (eio_req *req) 610req_invoke (eio_req *req)
339{ 611{
340 if (req->flags & FLAG_SV2_RO_OFF) 612 if (req->flags & FLAG_SV2_RO_OFF)
341 SvREADONLY_off (req->sv2); 613 SvREADONLY_off (req->sv2);
342 614
343 if (!EIO_CANCELLED (req) && req->callback) 615 if (!EIO_CANCELLED (req) && req->callback)
… …
354 /* do not recreate the result IV from scratch each time */ 626 /* do not recreate the result IV from scratch each time */
355 if (expect_true (sv_result_cache)) 627 if (expect_true (sv_result_cache))
356 { 628 {
357 sv_result = sv_result_cache; sv_result_cache = 0; 629 sv_result = sv_result_cache; sv_result_cache = 0;
358 SvIV_set (sv_result, req->result); 630 SvIV_set (sv_result, req->result);
631 SvIOK_only (sv_result);
359 } 632 }
360 else 633 else
361 { 634 {
362 sv_result = newSViv (req->result); 635 sv_result = newSViv (req->result);
363 SvREADONLY_on (sv_result); 636 SvREADONLY_on (sv_result);
364 } 637 }
365 638
366 switch (req->type) 639 switch (req->type)
367 { 640 {
641 case EIO_WD_OPEN:
642 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
643 break;
644
368 case EIO_READDIR: 645 case EIO_READDIR:
369 { 646 {
370 SV *rv = &PL_sv_undef; 647 SV *rv = &PL_sv_undef;
371 648
372 if (req->result >= 0) 649 if (req->result >= 0)
… …
425 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))));
426 } 703 }
427 break; 704 break;
428 705
429 case EIO_OPEN: 706 case EIO_OPEN:
430 { 707 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
431 /* convert fd to fh */
432 SV *fh = &PL_sv_undef;
433
434 if (req->result >= 0)
435 {
436 GV *gv = (GV *)sv_newmortal ();
437 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
438 char sym [64];
439 int symlen;
440
441 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
442 gv_init (gv, aio_stash, sym, symlen, 0);
443
444 symlen = snprintf (
445 sym,
446 sizeof (sym),
447 "%s&=%d",
448 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
449 (int)req->result
450 );
451
452 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
453 fh = (SV *)gv;
454 }
455
456 PUSHs (fh);
457 }
458 break; 708 break;
459 709
460 case EIO_STATVFS: 710 case EIO_STATVFS:
461 case EIO_FSTATVFS: 711 case EIO_FSTATVFS:
462 { 712 {
463 SV *rv = &PL_sv_undef; 713 SV *rv = &PL_sv_undef;
464 714
715#ifndef _WIN32
465 if (req->result >= 0) 716 if (req->result >= 0)
466 { 717 {
467 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 718 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468 HV *hv = newHV (); 719 HV *hv = newHV ();
720 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
721 * chooses to make it a struct.
722 */
723 unsigned long fsid = 0;
724 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
469 725
470 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 726 rv = sv_2mortal (newRV_noinc ((SV *)hv));
471 727
472 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 728 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
473 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 729 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
475 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 731 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
476 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 732 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
477 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 733 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
478 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 734 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
479 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 735 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 736 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
481 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 737 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 738 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483 } 739 }
740#endif
484 741
485 PUSHs (rv); 742 PUSHs (rv);
486 } 743 }
487 744
488 break; 745 break;
… …
504 case EIO_NOP: 761 case EIO_NOP:
505 case EIO_BUSY: 762 case EIO_BUSY:
506 break; 763 break;
507 764
508 case EIO_READLINK: 765 case EIO_READLINK:
766 case EIO_REALPATH:
509 if (req->result > 0) 767 if (req->result > 0)
510 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 768 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511 break; 769 break;
512 770
513 case EIO_STAT: 771 case EIO_STAT:
514 case EIO_LSTAT: 772 case EIO_LSTAT:
515 case EIO_FSTAT: 773 case EIO_FSTAT:
516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 774 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
775
517 PL_laststatval = req->result; 776 if (!(PL_laststatval = req->result))
777 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 778 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
779
519 PUSHs (sv_result); 780 PUSHs (sv_result);
781 break;
782
783 case EIO_SEEK:
784 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
520 break; 785 break;
521 786
522 case EIO_READ: 787 case EIO_READ:
523 { 788 {
524 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));
… …
527 SvSETMAGIC (req->sv2); 792 SvSETMAGIC (req->sv2);
528 PUSHs (sv_result); 793 PUSHs (sv_result);
529 } 794 }
530 break; 795 break;
531 796
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
532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 867 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
533 if (req->result > 0) 868 if (req->result > 0)
534 SvIV_set (sv_result, 0); 869 SvIV_set (sv_result, 0);
535 /* FALLTHROUGH */ 870 /* FALLTHROUGH */
536 871
537 default: 872 default:
… …
557 } 892 }
558 893
559 return !!SvTRUE (ERRSV); 894 return !!SvTRUE (ERRSV);
560} 895}
561 896
897static void
562static void req_destroy (aio_req req) 898req_destroy (aio_req req)
563{ 899{
564 if (req->self) 900 if (req->self)
565 { 901 {
566 sv_unmagic (req->self, PERL_MAGIC_ext); 902 sv_unmagic (req->self, PERL_MAGIC_ext);
567 SvREFCNT_dec (req->self); 903 SvREFCNT_dec (req->self);
568 } 904 }
569 905
570 SvREFCNT_dec (req->sv1); 906 SvREFCNT_dec (req->sv1);
571 SvREFCNT_dec (req->sv2); 907 SvREFCNT_dec (req->sv2);
908 SvREFCNT_dec (req->sv3);
909 SvREFCNT_dec (req->sv4);
572 SvREFCNT_dec (req->callback); 910 SvREFCNT_dec (req->callback);
573 911
574 Safefree (req); 912 free (req);
575} 913}
576 914
915static void
577static void req_cancel_subs (aio_req grp) 916req_cancel_subs (aio_req grp)
578{ 917{
579 aio_req sub;
580
581 if (grp->type != EIO_GROUP) 918 if (grp->type != EIO_GROUP)
582 return; 919 return;
583 920
584 SvREFCNT_dec (grp->sv2); 921 SvREFCNT_dec (grp->sv2);
585 grp->sv2 = 0; 922 grp->sv2 = 0;
586 923
587 eio_grp_cancel (grp); 924 eio_grp_cancel (grp);
588} 925}
589 926
927ecb_cold
590static void 928static void
591create_respipe (void) 929create_respipe (void)
592{ 930{
593 if (s_epipe_renew (&respipe)) 931 if (s_epipe_renew (&respipe))
594 croak ("IO::AIO: unable to initialize result pipe"); 932 croak ("IO::AIO: unable to initialize result pipe");
595} 933}
596 934
597static void poll_wait (void) 935static void
936poll_wait (void)
598{ 937{
599 while (eio_nreqs ()) 938 while (eio_nreqs ())
600 { 939 {
601 int size; 940 int size;
602 941
603 X_LOCK (reslock); 942 X_LOCK (EIO_POOL->reslock);
604 size = res_queue.size; 943 size = EIO_POOL->res_queue.size;
605 X_UNLOCK (reslock); 944 X_UNLOCK (EIO_POOL->reslock);
606 945
607 if (size) 946 if (size)
608 return; 947 return;
609 948
610 etp_maybe_start_thread (); 949 etp_maybe_start_thread (EIO_POOL);
611 950
612 s_epipe_wait (&respipe); 951 s_epipe_wait (&respipe);
613 } 952 }
614} 953}
615 954
616static int poll_cb (void) 955static int
956poll_cb (void)
617{ 957{
618 for (;;) 958 for (;;)
619 { 959 {
620 int res = eio_poll (); 960 int res = eio_poll ();
621 961
… …
627 967
628 poll_wait (); 968 poll_wait ();
629 } 969 }
630} 970}
631 971
632static void atfork_child (void) 972ecb_cold
973static void
974reinit (void)
633{ 975{
634 create_respipe (); 976 create_respipe ();
635}
636 977
637/*****************************************************************************/ 978 if (eio_init (want_poll, done_poll) < 0)
638 979 croak ("IO::AIO: unable to initialise eio library");
639#if !_POSIX_MAPPED_FILES
640# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
641# define munmap(addr,length) (errno = ENOSYS, -1)
642# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
643# define PROT_NONE 0
644# define PROT_WRITE 0
645# define MAP_PRIVATE 0
646# define MAP_SHARED 0
647# define MAP_FIXED 0
648#endif
649
650#define MMAP_MAGIC PERL_MAGIC_ext
651
652static int
653mmap_free (pTHX_ SV *sv, MAGIC *mg)
654{
655 int old_errno = errno;
656 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
657 errno = old_errno;
658
659 mg->mg_obj = 0; /* just in case */
660
661 SvREADONLY_off (sv);
662
663 if (SvPVX (sv) != mg->mg_ptr)
664 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
665
666 SvCUR_set (sv, 0);
667 SvPVX (sv) = 0;
668 SvOK_off (sv);
669
670 return 0;
671} 980}
672
673static MGVTBL mmap_vtbl = {
674 0, 0, 0, 0, mmap_free
675};
676 981
677/*****************************************************************************/ 982/*****************************************************************************/
678 983
679static SV * 984static SV *
680get_cb (SV *cb_sv) 985get_cb (SV *cb_sv)
681{ 986{
682 SvGETMAGIC (cb_sv); 987 SvGETMAGIC (cb_sv);
683 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 988 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
684} 989}
685 990
991ecb_noinline
992static aio_req ecb_noinline
993dreq (SV *callback)
994{
995 SV *cb_cv;
996 aio_req req;
997 int req_pri = next_pri;
998 next_pri = EIO_PRI_DEFAULT;
999
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
1009 return req;
1010}
1011
686#define dREQ \ 1012#define dREQ \
687 SV *cb_cv; \ 1013 aio_req req = dreq (callback); \
688 aio_req req; \
689 int req_pri = next_pri; \
690 next_pri = EIO_PRI_DEFAULT; \
691 \
692 cb_cv = get_cb (callback); \
693 \
694 Newz (0, req, 1, eio_req); \
695 if (!req) \
696 croak ("out of memory during eio_req allocation"); \
697 \
698 req->callback = SvREFCNT_inc (cb_cv); \
699 req->pri = req_pri
700 1014
701#define REQ_SEND \ 1015#define REQ_SEND \
702 PUTBACK; \ 1016 PUTBACK; \
703 req_submit (req); \ 1017 req_submit (req); \
704 SPAGAIN; \ 1018 SPAGAIN; \
705 \ 1019 \
706 if (GIMME_V != G_VOID) \ 1020 if (GIMME_V != G_VOID) \
707 XPUSHs (req_sv (req, aio_req_stash)); 1021 XPUSHs (req_sv (req, aio_req_stash));
708 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
1062static void
1063req_set_path1 (aio_req req, SV *path)
1064{
1065 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1066}
1067
1068ecb_noinline
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;
1073
1074 switch (SvTYPE (rv))
1075 {
1076 case SVt_PVIO:
1077 case SVt_PVLV:
1078 case SVt_PVGV:
1079 req->type = type_fh;
1080 req->sv1 = newSVsv (fh_or_path);
1081 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1082 break;
1083
1084 default:
1085 req->type = type_path;
1086 req_set_path1 (req, fh_or_path);
1087 break;
1088 }
1089}
1090
1091/*****************************************************************************/
1092
1093static void
1094ts_set (struct timespec *ts, NV value)
1095{
1096 ts->tv_sec = value;
1097 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1098}
1099
1100static NV
1101ts_get (const struct timespec *ts)
1102{
1103 return ts->tv_sec + ts->tv_nsec * 1e-9;
1104}
1105
1106/*****************************************************************************/
1107
1108/* extract a ref-to-array of strings into a temporary c style string vector */
1109static char **
1110extract_stringvec (SV *sv, const char *croakmsg)
1111{
1112 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1113 croak ("%s", croakmsg);
1114
1115 AV *av = (AV *)SvRV (sv);
1116 int i, nelem = av_len (av) + 1;
1117 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1118
1119 for (i = 0; i < nelem; ++i)
1120 {
1121 SV **e = av_fetch (av, i, 0);
1122
1123 if (e && *e)
1124 vecp[i] = SvPVbyte_nolen (*e);
1125 else
1126 vecp[i] = "";
1127 }
1128
1129 vecp[nelem] = 0;
1130
1131 return vecp;
1132}
1133
1134/*****************************************************************************/
1135
1136XS(boot_IO__AIO) ecb_cold;
1137
709MODULE = IO::AIO PACKAGE = IO::AIO 1138MODULE = IO::AIO PACKAGE = IO::AIO
710 1139
711PROTOTYPES: ENABLE 1140PROTOTYPES: ENABLE
712 1141
713BOOT: 1142BOOT:
… …
717 IV iv; 1146 IV iv;
718 } *civ, const_iv[] = { 1147 } *civ, const_iv[] = {
719# define const_niv(name, value) { # name, (IV) value }, 1148# define const_niv(name, value) { # name, (IV) value },
720# define const_iv(name) { # name, (IV) name }, 1149# define const_iv(name) { # name, (IV) name },
721# define const_eio(name) { # name, (IV) EIO_ ## name }, 1150# define const_eio(name) { # name, (IV) EIO_ ## name },
1151
1152 /* you have to re-run ./gendef0 after adding/removing any constants here */
1153 /* the first block can be undef if missing */
1154 const_iv (ENOSYS)
722 const_iv (EXDEV) 1155 const_iv (EXDEV)
723 const_iv (ENOSYS) 1156 const_iv (EBADR)
1157
1158 /* for lseek */
1159 const_iv (SEEK_DATA)
1160 const_iv (SEEK_HOLE)
1161
1162 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1163 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1164 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1165 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1166 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1167 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1168
1169 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1170 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1171 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1172 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1173 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1174
1175 /* the second block will be 0 when missing */
1176 const_iv (O_ACCMODE)
1177
724 const_iv (O_RDONLY) 1178 const_iv (O_RDONLY)
725 const_iv (O_WRONLY) 1179 const_iv (O_WRONLY)
726 const_iv (O_RDWR) 1180 const_iv (O_RDWR)
727 const_iv (O_CREAT) 1181 const_iv (O_CREAT)
728 const_iv (O_TRUNC) 1182 const_iv (O_TRUNC)
729 const_iv (O_EXCL) 1183 const_iv (O_EXCL)
730 const_iv (O_APPEND) 1184 const_iv (O_APPEND)
731#ifndef _WIN32 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
732 const_iv (S_IFIFO) 1204 const_iv (S_IFIFO)
733#endif 1205 const_iv (S_IFCHR)
734 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1206 const_iv (S_IFBLK)
735 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1207 const_iv (S_IFLNK)
736 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1208 const_iv (S_IFREG)
737 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1209 const_iv (S_IFDIR)
738 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1210 const_iv (S_IFWHT)
739 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1211 const_iv (S_IFSOCK)
740 1212 const_iv (S_IFMT)
741 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
742 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
743 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
744 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
745 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
746 1213
747 const_iv (ST_RDONLY) 1214 const_iv (ST_RDONLY)
748 const_iv (ST_NOSUID) 1215 const_iv (ST_NOSUID)
749 const_iv (ST_NODEV) 1216 const_iv (ST_NODEV)
750 const_iv (ST_NOEXEC) 1217 const_iv (ST_NOEXEC)
… …
760 const_iv (PROT_NONE) 1227 const_iv (PROT_NONE)
761 const_iv (PROT_EXEC) 1228 const_iv (PROT_EXEC)
762 const_iv (PROT_READ) 1229 const_iv (PROT_READ)
763 const_iv (PROT_WRITE) 1230 const_iv (PROT_WRITE)
764 1231
765 /*const_iv (MAP_FIXED)*/
766 const_iv (MAP_PRIVATE) 1232 const_iv (MAP_PRIVATE)
767 const_iv (MAP_SHARED) 1233 const_iv (MAP_SHARED)
1234 const_iv (MAP_FIXED)
768 const_iv (MAP_ANONYMOUS) 1235 const_iv (MAP_ANONYMOUS)
769 1236
770 /* linuxish */ 1237 /* linuxish */
771 const_iv (MAP_HUGETLB)
772 const_iv (MAP_LOCKED) 1238 const_iv (MAP_LOCKED)
773 const_iv (MAP_NORESERVE) 1239 const_iv (MAP_NORESERVE)
774 const_iv (MAP_POPULATE) 1240 const_iv (MAP_POPULATE)
775 const_iv (MAP_NONBLOCK) 1241 const_iv (MAP_NONBLOCK)
1242 const_iv (MAP_GROWSDOWN)
1243 const_iv (MAP_32BIT)
1244 const_iv (MAP_HUGETLB)
1245 const_iv (MAP_STACK)
1246 const_iv (MAP_FIXED_NOREPLACE)
1247 const_iv (MAP_SHARED_VALIDATE)
1248 const_iv (MAP_SYNC)
1249 const_iv (MAP_UNINITIALIZED)
1250
1251 const_iv (MREMAP_MAYMOVE)
1252 const_iv (MREMAP_FIXED)
1253
1254 const_iv (MSG_CMSG_CLOEXEC)
1255 const_iv (SOCK_CLOEXEC)
1256
1257 const_iv (F_DUPFD_CLOEXEC)
1258
1259 const_iv (F_ADD_SEALS)
1260 const_iv (F_GET_SEALS)
1261 const_iv (F_SEAL_SEAL)
1262 const_iv (F_SEAL_SHRINK)
1263 const_iv (F_SEAL_GROW)
1264 const_iv (F_SEAL_WRITE)
1265
1266 const_iv (F_OFD_GETLK)
1267 const_iv (F_OFD_SETLK)
1268 const_iv (F_OFD_GETLKW)
1269
1270 const_iv (FIFREEZE)
1271 const_iv (FITHAW)
1272 const_iv (FITRIM)
1273 const_iv (FICLONE)
1274 const_iv (FICLONERANGE)
1275 const_iv (FIDEDUPERANGE)
1276
1277 const_iv (FS_IOC_GETFLAGS)
1278 const_iv (FS_IOC_SETFLAGS)
1279 const_iv (FS_IOC_GETVERSION)
1280 const_iv (FS_IOC_SETVERSION)
1281#if HAVE_FIEMAP /* broken on musl for, like, foreever */
1282 const_iv (FS_IOC_FIEMAP)
1283#endif
1284 const_iv (FS_IOC_FSGETXATTR)
1285 const_iv (FS_IOC_FSSETXATTR)
1286 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1287 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1288 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1289
1290 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1291
1292 const_iv (FS_SECRM_FL)
1293 const_iv (FS_UNRM_FL)
1294 const_iv (FS_COMPR_FL)
1295 const_iv (FS_SYNC_FL)
1296 const_iv (FS_IMMUTABLE_FL)
1297 const_iv (FS_APPEND_FL)
1298 const_iv (FS_NODUMP_FL)
1299 const_iv (FS_NOATIME_FL)
1300 const_iv (FS_DIRTY_FL)
1301 const_iv (FS_COMPRBLK_FL)
1302 const_iv (FS_NOCOMP_FL)
1303 const_iv (FS_ENCRYPT_FL)
1304 const_iv (FS_BTREE_FL)
1305 const_iv (FS_INDEX_FL)
1306 const_iv (FS_JOURNAL_DATA_FL)
1307 const_iv (FS_NOTAIL_FL)
1308 const_iv (FS_DIRSYNC_FL)
1309 const_iv (FS_TOPDIR_FL)
1310 const_iv (FS_FL_USER_MODIFIABLE)
1311
1312 const_iv (FS_XFLAG_REALTIME)
1313 const_iv (FS_XFLAG_PREALLOC)
1314 const_iv (FS_XFLAG_IMMUTABLE)
1315 const_iv (FS_XFLAG_APPEND)
1316 const_iv (FS_XFLAG_SYNC)
1317 const_iv (FS_XFLAG_NOATIME)
1318 const_iv (FS_XFLAG_NODUMP)
1319 const_iv (FS_XFLAG_RTINHERIT)
1320 const_iv (FS_XFLAG_PROJINHERIT)
1321 const_iv (FS_XFLAG_NOSYMLINKS)
1322 const_iv (FS_XFLAG_EXTSIZE)
1323 const_iv (FS_XFLAG_EXTSZINHERIT)
1324 const_iv (FS_XFLAG_NODEFRAG)
1325 const_iv (FS_XFLAG_FILESTREAM)
1326 const_iv (FS_XFLAG_DAX)
1327 const_iv (FS_XFLAG_HASATTR)
1328
1329 const_iv (FIEMAP_FLAG_SYNC)
1330 const_iv (FIEMAP_FLAG_XATTR)
1331 const_iv (FIEMAP_FLAGS_COMPAT)
1332 const_iv (FIEMAP_EXTENT_LAST)
1333 const_iv (FIEMAP_EXTENT_UNKNOWN)
1334 const_iv (FIEMAP_EXTENT_DELALLOC)
1335 const_iv (FIEMAP_EXTENT_ENCODED)
1336 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1337 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1338 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1339 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1340 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1341 const_iv (FIEMAP_EXTENT_MERGED)
1342 const_iv (FIEMAP_EXTENT_SHARED)
1343
1344 const_iv (SPLICE_F_MOVE)
1345 const_iv (SPLICE_F_NONBLOCK)
1346 const_iv (SPLICE_F_MORE)
1347 const_iv (SPLICE_F_GIFT)
1348
1349 const_iv (EFD_CLOEXEC)
1350 const_iv (EFD_NONBLOCK)
1351 const_iv (EFD_SEMAPHORE)
1352
1353 const_iv (MFD_CLOEXEC)
1354 const_iv (MFD_ALLOW_SEALING)
1355 const_iv (MFD_HUGETLB)
1356 const_iv (MFD_HUGETLB_2MB)
1357 const_iv (MFD_HUGETLB_1GB)
1358
1359 const_iv (CLOCK_REALTIME)
1360 const_iv (CLOCK_MONOTONIC)
1361 const_iv (CLOCK_BOOTTIME)
1362 const_iv (CLOCK_REALTIME_ALARM)
1363 const_iv (CLOCK_BOOTTIME_ALARM)
1364
1365 const_iv (TFD_NONBLOCK)
1366 const_iv (TFD_CLOEXEC)
1367
1368 const_iv (TFD_TIMER_ABSTIME)
1369 const_iv (TFD_TIMER_CANCEL_ON_SET)
1370
1371 const_iv (STATX_TYPE)
1372 const_iv (STATX_MODE)
1373 const_iv (STATX_NLINK)
1374 const_iv (STATX_UID)
1375 const_iv (STATX_GID)
1376 const_iv (STATX_ATIME)
1377 const_iv (STATX_MTIME)
1378 const_iv (STATX_CTIME)
1379 const_iv (STATX_INO)
1380 const_iv (STATX_SIZE)
1381 const_iv (STATX_BLOCKS)
1382 const_iv (STATX_BASIC_STATS)
1383 const_iv (STATX_ALL)
1384 const_iv (STATX_BTIME)
1385 const_iv (STATX_ATTR_COMPRESSED)
1386 const_iv (STATX_ATTR_IMMUTABLE)
1387 const_iv (STATX_ATTR_APPEND)
1388 const_iv (STATX_ATTR_NODUMP)
1389 const_iv (STATX_ATTR_ENCRYPTED)
1390 const_iv (STATX_ATTR_AUTOMOUNT)
1391
1392 const_iv (AT_FDCWD)
1393 const_iv (AT_SYMLINK_NOFOLLOW)
1394 const_iv (AT_EACCESS)
1395 const_iv (AT_REMOVEDIR)
1396 const_iv (AT_SYMLINK_FOLLOW)
1397 const_iv (AT_NO_AUTOMOUNT)
1398 const_iv (AT_EMPTY_PATH)
1399 const_iv (AT_STATX_SYNC_TYPE)
1400 const_iv (AT_STATX_AS_STAT)
1401 const_iv (AT_STATX_FORCE_SYNC)
1402 const_iv (AT_STATX_DONT_SYNC)
1403 const_iv (AT_RECURSIVE)
1404
1405 const_iv (OPEN_TREE_CLONE)
1406
1407 const_iv (FSOPEN_CLOEXEC)
1408
1409 const_iv (FSPICK_CLOEXEC)
1410 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1411 const_iv (FSPICK_NO_AUTOMOUNT)
1412 const_iv (FSPICK_EMPTY_PATH)
1413
1414 const_iv (MOVE_MOUNT_F_SYMLINKS)
1415 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1416 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1417 const_iv (MOVE_MOUNT_T_SYMLINKS)
1418 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1419 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1420
1421 /* waitid */
1422 const_iv (P_PID)
1423 const_iv (P_PIDFD)
1424 const_iv (P_PGID)
1425 const_iv (P_ALL)
1426
1427 const_iv (FSCONFIG_SET_FLAG)
1428 const_iv (FSCONFIG_SET_STRING)
1429 const_iv (FSCONFIG_SET_BINARY)
1430 const_iv (FSCONFIG_SET_PATH)
1431 const_iv (FSCONFIG_SET_PATH_EMPTY)
1432 const_iv (FSCONFIG_SET_FD)
1433 const_iv (FSCONFIG_CMD_CREATE)
1434 const_iv (FSCONFIG_CMD_RECONFIGURE)
1435
1436 const_iv (MOUNT_ATTR_RDONLY)
1437 const_iv (MOUNT_ATTR_NOSUID)
1438 const_iv (MOUNT_ATTR_NODEV)
1439 const_iv (MOUNT_ATTR_NOEXEC)
1440 const_iv (MOUNT_ATTR__ATIME)
1441 const_iv (MOUNT_ATTR_RELATIME)
1442 const_iv (MOUNT_ATTR_NOATIME)
1443 const_iv (MOUNT_ATTR_STRICTATIME)
1444 const_iv (MOUNT_ATTR_NODIRATIME)
1445
1446 /* sys/mount.h */
1447 const_iv (MS_RDONLY)
1448 const_iv (MS_NOSUID)
1449 const_iv (MS_NODEV)
1450 const_iv (MS_NOEXEC)
1451 const_iv (MS_SYNCHRONOUS)
1452 const_iv (MS_REMOUNT)
1453 const_iv (MS_MANDLOCK)
1454 const_iv (MS_DIRSYNC)
1455 const_iv (MS_NOATIME)
1456 const_iv (MS_NODIRATIME)
1457 const_iv (MS_BIND)
1458 const_iv (MS_MOVE)
1459 const_iv (MS_REC)
1460 const_iv (MS_SILENT)
1461 const_iv (MS_POSIXACL)
1462 const_iv (MS_UNBINDABLE)
1463 const_iv (MS_PRIVATE)
1464 const_iv (MS_SLAVE)
1465 const_iv (MS_SHARED)
1466 const_iv (MS_RELATIME)
1467 const_iv (MS_KERNMOUNT)
1468 const_iv (MS_I_VERSION)
1469 const_iv (MS_STRICTATIME)
1470 const_iv (MS_LAZYTIME)
1471 const_iv (MS_ACTIVE)
1472 const_iv (MS_NOUSER)
1473 const_iv (MS_RMT_MASK)
1474 const_iv (MS_MGC_VAL)
1475 const_iv (MS_MGC_MSK)
1476
1477 const_iv (MNT_FORCE)
1478 const_iv (MNT_DETACH)
1479 const_iv (MNT_EXPIRE)
1480 const_iv (UMOUNT_NOFOLLOW)
1481
1482 const_iv (BLKROSET)
1483 const_iv (BLKROGET)
1484 const_iv (BLKRRPART)
1485 const_iv (BLKGETSIZE)
1486 const_iv (BLKFLSBUF)
1487 const_iv (BLKRASET)
1488 const_iv (BLKRAGET)
1489 const_iv (BLKFRASET)
1490 const_iv (BLKFRAGET)
1491 const_iv (BLKSECTSET)
1492 const_iv (BLKSECTGET)
1493 const_iv (BLKSSZGET)
1494 const_iv (BLKBSZGET)
1495 const_iv (BLKBSZSET)
1496 const_iv (BLKGETSIZE64)
1497
1498 /* these are libeio constants, and are independent of gendef0 */
1499 const_eio (SEEK_SET)
1500 const_eio (SEEK_CUR)
1501 const_eio (SEEK_END)
776 1502
777 const_eio (MCL_FUTURE) 1503 const_eio (MCL_FUTURE)
778 const_eio (MCL_CURRENT) 1504 const_eio (MCL_CURRENT)
1505 const_eio (MCL_ONFAULT)
779 1506
780 const_eio (MS_ASYNC) 1507 const_eio (MS_ASYNC)
781 const_eio (MS_INVALIDATE) 1508 const_eio (MS_INVALIDATE)
782 const_eio (MS_SYNC) 1509 const_eio (MS_SYNC)
783 1510
784 const_eio (MT_MODIFY) 1511 const_eio (MT_MODIFY)
785 1512
786 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1513 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
787 const_eio (SYNC_FILE_RANGE_WRITE) 1514 const_eio (SYNC_FILE_RANGE_WRITE)
788 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1515 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1516
1517 const_eio (FALLOC_FL_KEEP_SIZE)
1518 const_eio (FALLOC_FL_PUNCH_HOLE)
1519 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1520 const_eio (FALLOC_FL_ZERO_RANGE)
1521 const_eio (FALLOC_FL_INSERT_RANGE)
1522 const_eio (FALLOC_FL_UNSHARE_RANGE)
1523
1524 const_eio (RENAME_NOREPLACE)
1525 const_eio (RENAME_EXCHANGE)
1526 const_eio (RENAME_WHITEOUT)
789 1527
790 const_eio (READDIR_DENTS) 1528 const_eio (READDIR_DENTS)
791 const_eio (READDIR_DIRS_FIRST) 1529 const_eio (READDIR_DIRS_FIRST)
792 const_eio (READDIR_STAT_ORDER) 1530 const_eio (READDIR_STAT_ORDER)
793 const_eio (READDIR_FOUND_UNKNOWN) 1531 const_eio (READDIR_FOUND_UNKNOWN)
… …
804 }; 1542 };
805 1543
806 aio_stash = gv_stashpv ("IO::AIO" , 1); 1544 aio_stash = gv_stashpv ("IO::AIO" , 1);
807 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1545 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
808 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1546 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1547 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
809 1548
810 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1549 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
811 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1550 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
812 1551
813 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1552 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
814 1553
815 create_respipe (); 1554 /* allocate dummy pipe fd for aio_close */
1555 {
1556 int pipefd [2];
816 1557
817 if (eio_init (want_poll, done_poll) < 0) 1558 if (
818 croak ("IO::AIO: unable to initialise eio library"); 1559#ifdef _WIN32
1560 _pipe (pipefd, 1, _O_BINARY) < 0
1561#else
1562 pipe (pipefd) < 0
1563 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1564#endif
1565 || close (pipefd [1]) < 0
1566 )
1567 croak ("IO::AIO: unable to create dummy pipe for aio_close");
819 1568
820 /* atfork child called in fifo order, so before eio's handler */ 1569 close_fd = pipefd [0];
821 X_THREAD_ATFORK (0, 0, atfork_child); 1570 }
822}
823 1571
1572 reinit ();
1573}
1574
824void 1575void
1576reinit ()
1577 PROTOTYPE:
1578
1579void
825max_poll_reqs (int nreqs) 1580max_poll_reqs (unsigned int nreqs)
826 PROTOTYPE: $ 1581 PROTOTYPE: $
827 CODE: 1582 CODE:
828 eio_set_max_poll_reqs (nreqs); 1583 eio_set_max_poll_reqs (nreqs);
829 1584
830void 1585void
… …
832 PROTOTYPE: $ 1587 PROTOTYPE: $
833 CODE: 1588 CODE:
834 eio_set_max_poll_time (nseconds); 1589 eio_set_max_poll_time (nseconds);
835 1590
836void 1591void
837min_parallel (int nthreads) 1592min_parallel (unsigned int nthreads)
838 PROTOTYPE: $ 1593 PROTOTYPE: $
839 CODE: 1594 CODE:
840 eio_set_min_parallel (nthreads); 1595 eio_set_min_parallel (nthreads);
841 1596
842void 1597void
843max_parallel (int nthreads) 1598max_parallel (unsigned int nthreads)
844 PROTOTYPE: $ 1599 PROTOTYPE: $
845 CODE: 1600 CODE:
846 eio_set_max_parallel (nthreads); 1601 eio_set_max_parallel (nthreads);
847 1602
848void 1603void
849max_idle (int nthreads) 1604max_idle (unsigned int nthreads)
850 PROTOTYPE: $ 1605 PROTOTYPE: $
851 CODE: 1606 CODE:
852 eio_set_max_idle (nthreads); 1607 eio_set_max_idle (nthreads);
853 1608
854void 1609void
1610idle_timeout (unsigned int seconds)
1611 PROTOTYPE: $
1612 CODE:
1613 eio_set_idle_timeout (seconds);
1614
1615void
855max_outstanding (int maxreqs) 1616max_outstanding (unsigned int maxreqs)
856 PROTOTYPE: $ 1617 PROTOTYPE: $
857 CODE: 1618 CODE:
858 max_outstanding = maxreqs; 1619 max_outstanding = maxreqs;
859 1620
860void 1621void
861aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1622aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
862 PPCODE: 1623 PPCODE:
863{ 1624{
864 dREQ; 1625 dREQ;
865 1626
1627 req->type = EIO_WD_OPEN;
1628 req_set_path1 (req, pathname);
1629
1630 REQ_SEND;
1631}
1632
1633void
1634aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1635 PPCODE:
1636{
1637 dREQ;
1638
866 req->type = EIO_OPEN; 1639 req->type = EIO_OPEN;
867 req->sv1 = newSVsv (pathname); 1640 req_set_path1 (req, pathname);
868 req->ptr1 = SvPVbyte_nolen (req->sv1);
869 req->int1 = flags; 1641 req->int1 = flags;
870 req->int2 = mode; 1642 req->int2 = mode;
871 1643
872 REQ_SEND; 1644 REQ_SEND;
873} 1645}
874 1646
875void 1647void
876aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1648aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
877 ALIAS: 1649 ALIAS:
878 aio_fsync = EIO_FSYNC 1650 aio_fsync = EIO_FSYNC
879 aio_fdatasync = EIO_FDATASYNC 1651 aio_fdatasync = EIO_FDATASYNC
1652 aio_syncfs = EIO_SYNCFS
880 PPCODE: 1653 PPCODE:
881{ 1654{
882 int fd = s_fileno_croak (fh, 0); 1655 int fd = s_fileno_croak (fh, 0);
883 dREQ; 1656 dREQ;
884 1657
885 req->type = ix; 1658 req->type = ix;
886 req->sv1 = newSVsv (fh); 1659 req->sv1 = newSVsv (fh);
887 req->int1 = fd; 1660 req->int1 = fd;
888 1661
889 REQ_SEND (req); 1662 REQ_SEND;
890} 1663}
891 1664
892void 1665void
893aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1666aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
894 PPCODE: 1667 PPCODE:
895{ 1668{
896 int fd = s_fileno_croak (fh, 0); 1669 int fd = s_fileno_croak (fh, 0);
897 dREQ; 1670 dREQ;
898 1671
899 req->type = EIO_SYNC_FILE_RANGE; 1672 req->type = EIO_SYNC_FILE_RANGE;
900 req->sv1 = newSVsv (fh); 1673 req->sv1 = newSVsv (fh);
901 req->int1 = fd; 1674 req->int1 = fd;
902 req->offs = offset; 1675 req->offs = offset;
903 req->size = nbytes; 1676 req->size = nbytes;
904 req->int2 = flags; 1677 req->int2 = flags;
905 1678
906 REQ_SEND (req); 1679 REQ_SEND;
907} 1680}
908 1681
909void 1682void
910aio_close (SV *fh, SV *callback=&PL_sv_undef) 1683aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
911 PPCODE: 1684 PPCODE:
912{ 1685{
913 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
914 int fd = s_fileno_croak (fh, 0); 1686 int fd = s_fileno_croak (fh, 0);
915 dREQ; 1687 dREQ;
916 1688
917 if (close_pipe < 0) 1689 req->type = EIO_FALLOCATE;
1690 req->sv1 = newSVsv (fh);
1691 req->int1 = fd;
1692 req->int2 = mode;
1693 req->offs = offset;
1694 req->size = len;
1695
1696 REQ_SEND;
1697}
1698
1699void
1700aio_close (SV *fh, SV *callback = &PL_sv_undef)
1701 PPCODE:
1702{
1703 int fd = s_fileno_croak (fh, 0);
1704 dREQ;
1705#if 0
1706 /* partially duplicate logic in s_fileno */
1707 SvGETMAGIC (fh);
1708
1709 if (SvROK (fh))
1710 {
1711 fh = SvRV (fh);
1712 SvGETMAGIC (fh);
1713 }
1714
1715 if (SvTYPE (fh) == SVt_PVGV)
918 { 1716 {
919 int pipefd [2]; 1717 /* perl filehandle */
1718 PerlIOUnix_refcnt_inc (fd);
1719 do_close ((GV *)fh, 1);
920 1720
921 if (pipe (pipefd) < 0 1721 req->type = EIO_CLOSE;
922 || close (pipefd [1]) < 0 1722 req->int1 = fd;
923 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1723 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
924 abort (); /*D*/
925
926 close_pipe = pipefd [0];
927 } 1724 }
928 1725 else
1726#endif
1727 {
1728 /* fd number */
929 req->type = EIO_DUP2; 1729 req->type = EIO_DUP2;
930 req->int1 = close_pipe; 1730 req->int1 = close_fd;
1731 req->sv2 = newSVsv (fh);
1732 req->int2 = fd;
1733 }
1734
1735 REQ_SEND;
1736}
1737
1738void
1739aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1740 PPCODE:
1741{
1742 int fd = s_fileno_croak (fh, 0);
1743 dREQ;
1744
1745 req->type = EIO_SEEK;
931 req->sv2 = newSVsv (fh); 1746 req->sv1 = newSVsv (fh);
932 req->int2 = fd; 1747 req->int1 = fd;
1748 req->offs = SvVAL64 (offset);
1749 req->int2 = whence;
933 1750
934 REQ_SEND (req); 1751 REQ_SEND;
935} 1752}
936 1753
937void 1754void
938aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1755aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
939 ALIAS: 1756 ALIAS:
940 aio_read = EIO_READ 1757 aio_read = EIO_READ
941 aio_write = EIO_WRITE 1758 aio_write = EIO_WRITE
942 PPCODE: 1759 PPCODE:
943{ 1760{
… …
959 len = svlen - dataoffset; 1776 len = svlen - dataoffset;
960 } 1777 }
961 else 1778 else
962 { 1779 {
963 /* read: check type and grow scalar as necessary */ 1780 /* read: check type and grow scalar as necessary */
964 SvUPGRADE (data, SVt_PV); 1781 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
965 svptr = SvGROW (data, len + dataoffset + 1); 1782 svptr = sv_grow (data, len + dataoffset + 1);
1783 else if (SvCUR (data) < len + dataoffset)
1784 croak ("length + dataoffset outside of scalar, and cannot grow");
966 } 1785 }
967 1786
968 { 1787 {
969 dREQ; 1788 dREQ;
970 1789
… …
986 REQ_SEND; 1805 REQ_SEND;
987 } 1806 }
988} 1807}
989 1808
990void 1809void
991aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1810aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1811 ALIAS:
1812 aio_ioctl = EIO_IOCTL
1813 aio_fcntl = EIO_FCNTL
992 PPCODE: 1814 PPCODE:
993{ 1815{
994 SV *data; 1816 int fd = s_fileno_croak (fh, 0);
1817 char *svptr;
1818
1819 if (SvPOK (arg) || !SvNIOK (arg))
1820 {
1821 STRLEN svlen;
1822 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1823#ifdef IOCPARM_LEN
1824 STRLEN need = IOCPARM_LEN (request);
1825#else
1826 STRLEN need = 256;
1827#endif
1828
1829 if (svlen < need)
1830 svptr = SvGROW (arg, need);
1831 }
1832 else
1833 svptr = (char *)SvIV (arg);
1834
1835 {
1836 dREQ;
1837
1838 req->type = ix;
1839 req->sv1 = newSVsv (fh);
1840 req->int1 = fd;
1841 req->int2 = (long)request;
1842 req->sv2 = SvREFCNT_inc (arg);
1843 req->ptr2 = svptr;
1844
1845 REQ_SEND;
1846 }
1847}
1848
1849void
1850aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1851 ALIAS:
1852 aio_readlink = EIO_READLINK
1853 aio_realpath = EIO_REALPATH
1854 PPCODE:
1855{
995 dREQ; 1856 dREQ;
996 1857
997 req->type = EIO_READLINK; 1858 req->type = ix;
998 req->sv1 = newSVsv (path); 1859 req_set_path1 (req, pathname);
999 req->ptr1 = SvPVbyte_nolen (req->sv1);
1000 1860
1001 REQ_SEND; 1861 REQ_SEND;
1002} 1862}
1003 1863
1004void 1864void
1005aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1865aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1006 PPCODE: 1866 PPCODE:
1007{ 1867{
1008 int ifd = s_fileno_croak (in_fh , 0); 1868 int ifd = s_fileno_croak (in_fh , 0);
1009 int ofd = s_fileno_croak (out_fh, 1); 1869 int ofd = s_fileno_croak (out_fh, 1);
1010 dREQ; 1870 dREQ;
1011 1871
1012 req->type = EIO_SENDFILE; 1872 req->type = EIO_SENDFILE;
1013 req->sv1 = newSVsv (out_fh); 1873 req->sv1 = newSVsv (out_fh);
1014 req->int1 = ofd; 1874 req->int1 = ofd;
… …
1019 1879
1020 REQ_SEND; 1880 REQ_SEND;
1021} 1881}
1022 1882
1023void 1883void
1024aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1884aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1025 PPCODE: 1885 PPCODE:
1026{ 1886{
1027 int fd = s_fileno_croak (fh, 0); 1887 int fd = s_fileno_croak (fh, 0);
1028 dREQ; 1888 dREQ;
1029 1889
1030 req->type = EIO_READAHEAD; 1890 req->type = EIO_READAHEAD;
1031 req->sv1 = newSVsv (fh); 1891 req->sv1 = newSVsv (fh);
1032 req->int1 = fd; 1892 req->int1 = fd;
… …
1035 1895
1036 REQ_SEND; 1896 REQ_SEND;
1037} 1897}
1038 1898
1039void 1899void
1040aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1900aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1041 ALIAS: 1901 ALIAS:
1042 aio_stat = EIO_STAT 1902 aio_stat = EIO_STAT
1043 aio_lstat = EIO_LSTAT 1903 aio_lstat = EIO_LSTAT
1044 aio_statvfs = EIO_STATVFS 1904 aio_statvfs = EIO_STATVFS
1045 PPCODE: 1905 PPCODE:
1046{ 1906{
1047 dREQ; 1907 dREQ;
1048 1908
1049 req->sv1 = newSVsv (fh_or_path); 1909 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1050
1051 if (SvPOK (req->sv1))
1052 {
1053 req->type = ix;
1054 req->ptr1 = SvPVbyte_nolen (req->sv1);
1055 }
1056 else
1057 {
1058 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1059 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1060 }
1061 1910
1062 REQ_SEND; 1911 REQ_SEND;
1063} 1912}
1064 1913
1065void 1914void
1915st_xtime ()
1916 ALIAS:
1917 st_atime = 0x01
1918 st_mtime = 0x02
1919 st_ctime = 0x04
1920 st_btime = 0x08
1921 st_xtime = 0x0f
1922 PPCODE:
1923 EXTEND (SP, 4);
1924 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1925 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1926 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1927 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1928
1929void
1930st_xtimensec ()
1931 ALIAS:
1932 st_atimensec = 0x01
1933 st_mtimensec = 0x02
1934 st_ctimensec = 0x04
1935 st_btimensec = 0x08
1936 st_xtimensec = 0x0f
1937 st_btimesec = 0x10
1938 st_gen = 0x20
1939 PPCODE:
1940 EXTEND (SP, 4);
1941 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1942 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1943 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1944 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1945 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1946 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1947
1948UV
1949major (UV dev)
1950 ALIAS:
1951 minor = 1
1952 CODE:
1953 RETVAL = ix ? minor (dev) : major (dev);
1954 OUTPUT:
1955 RETVAL
1956
1957UV
1958makedev (UV maj, UV min)
1959 CODE:
1960 RETVAL = makedev (maj, min);
1961 OUTPUT:
1962 RETVAL
1963
1964void
1066aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1965aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1067 PPCODE: 1966 PPCODE:
1068{ 1967{
1069 dREQ; 1968 dREQ;
1070 1969
1071 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1970 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1072 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1971 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1073 req->sv1 = newSVsv (fh_or_path); 1972 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1074
1075 if (SvPOK (req->sv1))
1076 {
1077 req->type = EIO_UTIME;
1078 req->ptr1 = SvPVbyte_nolen (req->sv1);
1079 }
1080 else
1081 {
1082 req->type = EIO_FUTIME;
1083 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1084 }
1085 1973
1086 REQ_SEND; 1974 REQ_SEND;
1087} 1975}
1088 1976
1089void 1977void
1090aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1978aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1091 PPCODE: 1979 PPCODE:
1092{ 1980{
1093 dREQ; 1981 dREQ;
1094 1982
1095 req->sv1 = newSVsv (fh_or_path);
1096 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1983 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1097 1984 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1098 if (SvPOK (req->sv1))
1099 {
1100 req->type = EIO_TRUNCATE;
1101 req->ptr1 = SvPVbyte_nolen (req->sv1);
1102 }
1103 else
1104 {
1105 req->type = EIO_FTRUNCATE;
1106 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1107 }
1108 1985
1109 REQ_SEND; 1986 REQ_SEND;
1110} 1987}
1111 1988
1112void 1989void
1113aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1990aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1114 ALIAS:
1115 aio_chmod = EIO_CHMOD
1116 aio_mkdir = EIO_MKDIR
1117 PPCODE: 1991 PPCODE:
1118{ 1992{
1119 dREQ; 1993 dREQ;
1120 1994
1121 req->int2 = mode; 1995 req->int2 = mode;
1122 req->sv1 = newSVsv (fh_or_path); 1996 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1123
1124 if (SvPOK (req->sv1))
1125 {
1126 req->type = ix;
1127 req->ptr1 = SvPVbyte_nolen (req->sv1);
1128 }
1129 else
1130 {
1131 req->type = EIO_FCHMOD;
1132 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1133 }
1134 1997
1135 REQ_SEND; 1998 REQ_SEND;
1136} 1999}
1137 2000
1138void 2001void
1139aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 2002aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1140 PPCODE: 2003 PPCODE:
1141{ 2004{
1142 dREQ; 2005 dREQ;
1143 2006
1144 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 2007 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1145 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 2008 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1146 req->sv1 = newSVsv (fh_or_path); 2009 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1147
1148 if (SvPOK (req->sv1))
1149 {
1150 req->type = EIO_CHOWN;
1151 req->ptr1 = SvPVbyte_nolen (req->sv1);
1152 }
1153 else
1154 {
1155 req->type = EIO_FCHOWN;
1156 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1157 }
1158 2010
1159 REQ_SEND; 2011 REQ_SEND;
1160} 2012}
1161 2013
1162void 2014void
1163aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 2015aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1164 PPCODE: 2016 PPCODE:
1165{ 2017{
1166 dREQ; 2018 dREQ;
1167 2019
1168 req->type = EIO_READDIR; 2020 req->type = EIO_READDIR;
1169 req->sv1 = newSVsv (pathname);
1170 req->ptr1 = SvPVbyte_nolen (req->sv1);
1171 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 2021 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1172 2022
1173 if (flags & EIO_READDIR_DENTS) 2023 if (flags & EIO_READDIR_DENTS)
1174 req->int1 |= EIO_READDIR_CUSTOM2; 2024 req->int1 |= EIO_READDIR_CUSTOM2;
1175 2025
2026 req_set_path1 (req, pathname);
2027
1176 REQ_SEND; 2028 REQ_SEND;
1177} 2029}
1178 2030
1179void 2031void
2032aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
2033 PPCODE:
2034{
2035 dREQ;
2036
2037 req->type = EIO_MKDIR;
2038 req->int2 = mode;
2039 req_set_path1 (req, pathname);
2040
2041 REQ_SEND;
2042}
2043
2044void
1180aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 2045aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1181 ALIAS: 2046 ALIAS:
1182 aio_unlink = EIO_UNLINK 2047 aio_unlink = EIO_UNLINK
1183 aio_rmdir = EIO_RMDIR 2048 aio_rmdir = EIO_RMDIR
1184 aio_readdir = EIO_READDIR 2049 aio_readdir = EIO_READDIR
1185 PPCODE: 2050 PPCODE:
1186{ 2051{
1187 dREQ; 2052 dREQ;
1188 2053
1189 req->type = ix; 2054 req->type = ix;
1190 req->sv1 = newSVsv (pathname); 2055 req_set_path1 (req, pathname);
1191 req->ptr1 = SvPVbyte_nolen (req->sv1);
1192 2056
1193 REQ_SEND; 2057 REQ_SEND;
1194} 2058}
1195 2059
1196void 2060void
1197aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 2061aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1198 ALIAS: 2062 ALIAS:
1199 aio_link = EIO_LINK 2063 aio_link = EIO_LINK
1200 aio_symlink = EIO_SYMLINK 2064 aio_symlink = EIO_SYMLINK
1201 aio_rename = EIO_RENAME 2065 aio_rename = EIO_RENAME
1202 PPCODE: 2066 PPCODE:
1203{ 2067{
2068 eio_wd wd2 = 0;
1204 dREQ; 2069 dREQ;
1205 2070
1206 req->type = ix; 2071 req->type = ix;
1207 req->sv1 = newSVsv (oldpath); 2072 req_set_path1 (req, oldpath);
1208 req->ptr1 = SvPVbyte_nolen (req->sv1); 2073 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1209 req->sv2 = newSVsv (newpath); 2074 req->int3 = (long)wd2;
1210 req->ptr2 = SvPVbyte_nolen (req->sv2);
1211 2075
1212 REQ_SEND; 2076 REQ_SEND;
1213} 2077}
1214 2078
1215void 2079void
2080aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
2081 PPCODE:
2082{
2083 eio_wd wd2 = 0;
2084 dREQ;
2085
2086 req->type = EIO_RENAME;
2087 req_set_path1 (req, oldpath);
2088 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
2089 req->int2 = flags;
2090 req->int3 = (long)wd2;
2091
2092 REQ_SEND;
2093}
2094
2095void
1216aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2096aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1217 PPCODE: 2097 PPCODE:
1218{ 2098{
1219 dREQ; 2099 dREQ;
1220 2100
1221 req->type = EIO_MKNOD; 2101 req->type = EIO_MKNOD;
1222 req->sv1 = newSVsv (pathname);
1223 req->ptr1 = SvPVbyte_nolen (req->sv1);
1224 req->int2 = (mode_t)mode; 2102 req->int2 = (mode_t)mode;
1225 req->offs = dev; 2103 req->offs = dev;
2104 req_set_path1 (req, pathname);
1226 2105
1227 REQ_SEND; 2106 REQ_SEND;
1228} 2107}
1229 2108
1230void 2109void
1231aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2110aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1232 ALIAS: 2111 ALIAS:
1233 aio_mtouch = EIO_MTOUCH 2112 aio_mtouch = EIO_MTOUCH
1234 aio_msync = EIO_MSYNC 2113 aio_msync = EIO_MSYNC
1235 PPCODE: 2114 PPCODE:
1236{ 2115{
1237 STRLEN svlen; 2116 STRLEN svlen;
1238 char *svptr = SvPVbyte (data, svlen); 2117 char *svptr = SvPVbyte (data, svlen);
1239 UV len = SvUV (length); 2118 UV len = SvUV (length);
2119
2120 if (flags < 0)
2121 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1240 2122
1241 if (offset < 0) 2123 if (offset < 0)
1242 offset += svlen; 2124 offset += svlen;
1243 2125
1244 if (offset < 0 || offset > svlen) 2126 if (offset < 0 || offset > svlen)
… …
1259 REQ_SEND; 2141 REQ_SEND;
1260 } 2142 }
1261} 2143}
1262 2144
1263void 2145void
1264aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2146aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1265 PPCODE: 2147 PPCODE:
1266{ 2148{
1267 STRLEN svlen; 2149 STRLEN svlen;
1268 char *svptr = SvPVbyte (data, svlen); 2150 char *svptr = SvPVbyte (data, svlen);
1269 UV len = SvUV (length); 2151 UV len = SvUV (length);
… …
1288 REQ_SEND; 2170 REQ_SEND;
1289 } 2171 }
1290} 2172}
1291 2173
1292void 2174void
1293aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2175aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1294 PPCODE: 2176 PPCODE:
1295{ 2177{
1296 dREQ; 2178 dREQ;
1297 2179
1298 req->type = EIO_MLOCKALL; 2180 req->type = EIO_MLOCKALL;
… …
1300 2182
1301 REQ_SEND; 2183 REQ_SEND;
1302} 2184}
1303 2185
1304void 2186void
2187aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2188 PPCODE:
2189{
2190 int fd = s_fileno_croak (fh, 0);
2191 dREQ;
2192
2193 req->type = EIO_CUSTOM;
2194 req->sv1 = newSVsv (fh);
2195 req->int1 = fd;
2196
2197 req->feed = fiemap;
2198#if HAVE_FIEMAP
2199 /* keep our fingers crossed that the next two types are 64 bit */
2200 req->offs = start;
2201 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2202 req->int2 = flags;
2203 req->int3 = SvOK (count) ? SvIV (count) : -1;
2204#endif
2205
2206 REQ_SEND;
2207}
2208
2209void
2210aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2211 PPCODE:
2212{
2213 char *svptr = 0;
2214
2215 sv_clear_foreign (data);
2216
2217 if (length) /* known length, directly read into scalar */
2218 {
2219 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2220 svptr = sv_grow (data, length + 1);
2221 else if (SvCUR (data) < length)
2222 croak ("length outside of scalar, and cannot grow");
2223 else
2224 svptr = SvPVbyte_nolen (data);
2225 }
2226
2227 {
2228 dREQ;
2229
2230 req->type = EIO_SLURP;
2231 req_set_path1 (req, pathname);
2232 req->offs = offset;
2233 req->size = length;
2234 req->sv2 = SvREFCNT_inc (data);
2235 req->ptr2 = svptr;
2236
2237 if (!SvREADONLY (data))
2238 {
2239 SvREADONLY_on (data);
2240 req->flags |= FLAG_SV2_RO_OFF;
2241 }
2242
2243 REQ_SEND;
2244 }
2245}
2246
2247void
1305aio_busy (double delay, SV *callback=&PL_sv_undef) 2248aio_busy (double delay, SV *callback = &PL_sv_undef)
1306 PPCODE: 2249 PPCODE:
1307{ 2250{
1308 dREQ; 2251 dREQ;
1309 2252
1310 req->type = EIO_BUSY; 2253 req->type = EIO_BUSY;
… …
1312 2255
1313 REQ_SEND; 2256 REQ_SEND;
1314} 2257}
1315 2258
1316void 2259void
1317aio_group (SV *callback=&PL_sv_undef) 2260aio_group (SV *callback = &PL_sv_undef)
1318 PPCODE: 2261 PPCODE:
1319{ 2262{
1320 dREQ; 2263 dREQ;
1321 2264
1322 req->type = EIO_GROUP; 2265 req->type = EIO_GROUP;
1323 2266
2267 PUTBACK;
1324 req_submit (req); 2268 req_submit (req);
2269 SPAGAIN;
2270
1325 XPUSHs (req_sv (req, aio_grp_stash)); 2271 XPUSHs (req_sv (req, aio_grp_stash));
1326} 2272}
1327 2273
1328void 2274void
1329aio_nop (SV *callback=&PL_sv_undef) 2275aio_nop (SV *callback = &PL_sv_undef)
1330 ALIAS: 2276 ALIAS:
1331 aio_nop = EIO_NOP 2277 aio_nop = EIO_NOP
1332 aio_sync = EIO_SYNC 2278 aio_sync = EIO_SYNC
1333 PPCODE: 2279 PPCODE:
1334{ 2280{
… …
1338 2284
1339 REQ_SEND; 2285 REQ_SEND;
1340} 2286}
1341 2287
1342int 2288int
1343aioreq_pri (int pri = 0) 2289aioreq_pri (int pri = NO_INIT)
1344 CODE: 2290 CODE:
1345 RETVAL = next_pri; 2291 RETVAL = next_pri;
1346 if (items > 0) 2292 if (items > 0)
1347 { 2293 {
1348 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2294 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1430 CODE: 2376 CODE:
1431 RETVAL = posix_fadvise (fh, offset, length, advice); 2377 RETVAL = posix_fadvise (fh, offset, length, advice);
1432 OUTPUT: 2378 OUTPUT:
1433 RETVAL 2379 RETVAL
1434 2380
1435ssize_t 2381IV
1436sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2382sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1437 CODE: 2383 CODE:
1438 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2384 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1439 OUTPUT: 2385 OUTPUT:
1440 RETVAL 2386 RETVAL
1441 2387
1442void 2388void
1443mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2389mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1444 PPCODE: 2390 PPCODE:
1445 sv_unmagic (scalar, MMAP_MAGIC); 2391 sv_clear_foreign (scalar);
1446{ 2392{
1447 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2393 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1448 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2394 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1449 if (addr == (void *)-1) 2395 if (addr == (void *)-1)
1450 XSRETURN_NO; 2396 XSRETURN_NO;
1451 2397
1452 sv_force_normal (scalar); 2398 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1453
1454 /* we store the length in mg_obj, as namlen is I32 :/ */
1455 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1456 ->mg_obj = (SV *)length;
1457
1458 SvUPGRADE (scalar, SVt_PV); /* nop... */
1459 2399
1460 if (!(prot & PROT_WRITE)) 2400 if (!(prot & PROT_WRITE))
1461 SvREADONLY_on (scalar); 2401 SvREADONLY_on (scalar);
1462 2402
1463 if (SvLEN (scalar))
1464 Safefree (SvPVX (scalar));
1465
1466 SvPVX (scalar) = (char *)addr;
1467 SvCUR_set (scalar, length);
1468 SvLEN_set (scalar, 0);
1469 SvPOK_only (scalar);
1470
1471 XSRETURN_YES; 2403 XSRETURN_YES;
1472} 2404}
1473 2405
1474void 2406void
1475munmap (SV *scalar) 2407munmap (SV *scalar)
1476 CODE: 2408 CODE:
1477 sv_unmagic (scalar, MMAP_MAGIC); 2409 sv_clear_foreign (scalar);
2410
2411SV *
2412mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2413 CODE:
2414{
2415 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2416 void *new;
2417
2418 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2419 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2420
2421 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2422
2423 RETVAL = &PL_sv_no;
2424
2425 if (new != (void *)-1)
2426 {
2427 RETVAL = new == (void *)mg->mg_ptr
2428 ? newSVpvn ("0 but true", 10)
2429 : &PL_sv_yes;
2430
2431 mg->mg_ptr = (char *)new;
2432 mg->mg_obj = (SV *)new_length;
2433
2434 SvPVX (scalar) = mg->mg_ptr;
2435 SvCUR_set (scalar, new_length);
2436 }
2437}
2438 OUTPUT:
2439 RETVAL
1478 2440
1479int 2441int
1480madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2442madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1481 ALIAS: 2443 ALIAS:
1482 mprotect = 1 2444 mprotect = 1
1483 CODE: 2445 CODE:
1484{ 2446{
1485 STRLEN svlen; 2447 STRLEN svlen;
1486 void *addr = SvPVbyte (scalar, svlen); 2448 void *addr = SvPVbyte (scalar, svlen);
1487 size_t len = SvUV (length); 2449 STRLEN len = SvUV (length);
1488 2450
1489 if (offset < 0) 2451 if (offset < 0)
1490 offset += svlen; 2452 offset += svlen;
1491 2453
1492 if (offset < 0 || offset > svlen) 2454 if (offset < 0 || offset > svlen)
… …
1506} 2468}
1507 OUTPUT: 2469 OUTPUT:
1508 RETVAL 2470 RETVAL
1509 2471
1510int 2472int
1511munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2473munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1512 CODE: 2474 CODE:
1513{ 2475{
1514 STRLEN svlen; 2476 STRLEN svlen;
1515 void *addr = SvPVbyte (scalar, svlen); 2477 void *addr = SvPVbyte (scalar, svlen);
1516 size_t len = SvUV (length); 2478 size_t len = SvUV (length);
1517 2479
1518 if (offset < 0) 2480 if (offset < 0)
1519 offset += svlen; 2481 offset += svlen;
1520 2482
… …
1524 if (!SvOK (length) || len + offset > svlen) 2486 if (!SvOK (length) || len + offset > svlen)
1525 len = svlen - offset; 2487 len = svlen - offset;
1526 2488
1527 addr = (void *)(((intptr_t)addr) + offset); 2489 addr = (void *)(((intptr_t)addr) + offset);
1528 eio_page_align (&addr, &len); 2490 eio_page_align (&addr, &len);
1529#if _POSIX_MEMLOCK 2491#if _POSIX_MEMLOCK_RANGE
1530 RETVAL = munlock (addr, len); 2492 RETVAL = munlock (addr, len);
1531#else 2493#else
1532 RETVAL = ((errno = ENOSYS), -1); 2494 RETVAL = EIO_ENOSYS ();
1533#endif 2495#endif
1534} 2496}
1535 OUTPUT: 2497 OUTPUT:
2498 RETVAL
2499
2500int
2501mlockall (int flags)
2502 PROTOTYPE: $;
2503 CODE:
2504 RETVAL = eio_mlockall_sync (flags);
2505 OUTPUT:
1536 RETVAL 2506 RETVAL
1537 2507
1538int 2508int
1539munlockall () 2509munlockall ()
1540 CODE: 2510 CODE:
1541#if _POSIX_MEMLOCK 2511#if _POSIX_MEMLOCK
1542 munlockall (); 2512 munlockall ();
1543#else 2513#else
1544 RETVAL = -1; 2514 RETVAL = EIO_ENOSYS ();
1545 errno = ENOSYS;
1546#endif 2515#endif
1547 OUTPUT: 2516 OUTPUT:
1548 RETVAL 2517 RETVAL
2518
2519int
2520statx (SV8 *pathname, int flags, UV mask)
2521 CODE:
2522{
2523 /* undocumented, and might go away, and anyway, should use eio_statx */
2524 SV *wdsv = 0;
2525 SV *pathsv = 0;
2526 eio_wd wd = EIO_CWD;
2527 void *ptr;
2528 int res;
2529
2530 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2531 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2532
2533 SvREFCNT_dec (pathsv);
2534 SvREFCNT_dec (wdsv);
2535}
2536 OUTPUT:
2537 RETVAL
2538
2539U32
2540stx_mode ()
2541 PROTOTYPE:
2542 CODE:
2543#if HAVE_STATX
2544 RETVAL = stx.stx_mode;
2545#else
2546 XSRETURN_UNDEF;
2547#endif
2548 OUTPUT:
2549 RETVAL
2550
2551#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2552#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2553#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2554#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2555#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2556#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2557#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2558#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2559#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2560#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2561#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2562#define STATX_OFFSET_size statx_offsetof (stx_size)
2563#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2564#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2565#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2566#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2567#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2568#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2569
2570U32
2571stx_mask ()
2572 PROTOTYPE:
2573 ALIAS:
2574 stx_mask = STATX_OFFSET_mask
2575 stx_blksize = STATX_OFFSET_blksize
2576 stx_nlink = STATX_OFFSET_nlink
2577 stx_uid = STATX_OFFSET_uid
2578 stx_gid = STATX_OFFSET_gid
2579 stx_rdev_major = STATX_OFFSET_rdev_major
2580 stx_rdev_minor = STATX_OFFSET_rdev_minor
2581 stx_dev_major = STATX_OFFSET_dev_major
2582 stx_dev_minor = STATX_OFFSET_dev_minor
2583 CODE:
2584#if HAVE_STATX
2585 RETVAL = *(__u32 *)((char *)&stx + ix);
2586#else
2587 XSRETURN_UNDEF;
2588#endif
2589 OUTPUT:
2590 RETVAL
2591
2592VAL64
2593stx_attributes ()
2594 PROTOTYPE:
2595 ALIAS:
2596 stx_attributes = STATX_OFFSET_attributes
2597 stx_ino = STATX_OFFSET_ino
2598 stx_size = STATX_OFFSET_size
2599 stx_blocks = STATX_OFFSET_blocks
2600 stx_attributes_mask = STATX_OFFSET_attributes_mask
2601 CODE:
2602#if HAVE_STATX
2603 RETVAL = *(__u64 *)((char *)&stx + ix);
2604#else
2605 XSRETURN_UNDEF;
2606#endif
2607 OUTPUT:
2608 RETVAL
2609
2610NV
2611stx_atime ()
2612 PROTOTYPE:
2613 ALIAS:
2614 stx_atime = STATX_OFFSET_atime
2615 stx_btime = STATX_OFFSET_btime
2616 stx_ctime = STATX_OFFSET_ctime
2617 stx_mtime = STATX_OFFSET_mtime
2618 CODE:
2619#if HAVE_STATX
2620 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2621 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2622#else
2623 XSRETURN_UNDEF;
2624#endif
2625 OUTPUT:
2626 RETVAL
2627
2628VAL64
2629stx_atimesec ()
2630 PROTOTYPE:
2631 ALIAS:
2632 stx_atimesec = STATX_OFFSET_atime
2633 stx_btimesec = STATX_OFFSET_btime
2634 stx_ctimesec = STATX_OFFSET_ctime
2635 stx_mtimesec = STATX_OFFSET_mtime
2636 CODE:
2637#if HAVE_STATX
2638 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2639 RETVAL = ts->tv_sec;
2640#else
2641 XSRETURN_UNDEF;
2642#endif
2643 OUTPUT:
2644 RETVAL
2645
2646U32
2647stx_atimensec ()
2648 PROTOTYPE:
2649 ALIAS:
2650 stx_atimensec = STATX_OFFSET_atime
2651 stx_btimensec = STATX_OFFSET_btime
2652 stx_ctimensec = STATX_OFFSET_ctime
2653 stx_mtimensec = STATX_OFFSET_mtime
2654 CODE:
2655#if HAVE_STATX
2656 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2657 RETVAL = ts->tv_nsec;
2658#else
2659 RETVAL = 0;
2660#endif
2661 OUTPUT:
2662 RETVAL
2663
2664void
2665accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2666 PPCODE:
2667{
2668 SV *retval;
2669#if HAVE_ACCEPT4
2670 socklen_t salen_ = salen ? salen + 1 : 0;
2671
2672 if (salen)
2673 {
2674 sv_upgrade (sockaddr, SVt_PV);
2675 sv_grow (sockaddr, salen_);
2676 }
2677
2678 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2679
2680 retval = newmortalFH (res, O_RDWR);
2681
2682 if (res >= 0 && salen > 0)
2683 {
2684 if (salen_ > salen + 1)
2685 salen_ = salen + 1;
2686
2687 SvPOK_only (sockaddr);
2688 SvCUR_set (sockaddr, salen_);
2689 }
2690#else
2691 errno = ENOSYS;
2692 retval = &PL_sv_undef;
2693#endif
2694 XPUSHs (retval);
2695}
2696
2697ssize_t
2698splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2699 CODE:
2700{
2701#if HAVE_LINUX_SPLICE
2702 loff_t off_in_, off_out_;
2703 RETVAL = splice (
2704 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2705 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2706 length, flags
2707 );
2708#else
2709 RETVAL = EIO_ENOSYS ();
2710#endif
2711}
2712 OUTPUT:
2713 RETVAL
2714
2715ssize_t
2716tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2717 CODE:
2718#if HAVE_LINUX_SPLICE
2719 RETVAL = tee (rfh, wfh, length, flags);
2720#else
2721 RETVAL = EIO_ENOSYS ();
2722#endif
2723 OUTPUT:
2724 RETVAL
2725
2726int
2727pipesize (aio_rfd rfh, int new_size = -1)
2728 PROTOTYPE: $;$
2729 CODE:
2730#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2731 if (new_size >= 0)
2732 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2733 else
2734 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2735#else
2736 errno = ENOSYS;
2737 RETVAL = -1;
2738#endif
2739 OUTPUT:
2740 RETVAL
2741
2742void
2743pipe2 (int flags = 0)
2744 PROTOTYPE: ;$
2745 PPCODE:
2746{
2747 int fd[2];
2748 int res;
2749
2750 if (flags)
2751#if HAVE_PIPE2
2752 res = pipe2 (fd, flags);
2753#else
2754 res = (errno = ENOSYS, -1);
2755#endif
2756 else
2757 res = pipe (fd);
2758
2759 if (!res)
2760 {
2761 EXTEND (SP, 2);
2762 PUSHs (newmortalFH (fd[0], O_RDONLY));
2763 PUSHs (newmortalFH (fd[1], O_WRONLY));
2764 }
2765}
2766
2767void
2768pidfd_open (int pid, unsigned int flags = 0)
2769 PPCODE:
2770{
2771 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2772 int fd = syscall (SYS_pidfd_open, pid, flags);
2773 XPUSHs (newmortalFH (fd, O_RDWR));
2774}
2775
2776int
2777pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2778 PPCODE:
2779{
2780 int res;
2781#if HAVE_SIGINFO_T
2782 siginfo_t si = { 0 };
2783
2784 if (SvOK (siginfo))
2785 {
2786 HV *hv;
2787 SV **svp;
2788
2789 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2790 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2791
2792 hv = (HV *)SvRV (siginfo);
2793
2794 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2795 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2796 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2797 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2798 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2799 }
2800
2801 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2802 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2803#else
2804 res = (errno = ENOSYS, -1);
2805#endif
2806
2807 XPUSHs (sv_2mortal (newSViv (res)));
2808}
2809
2810void
2811pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2812 PPCODE:
2813{
2814 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2815 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2816 XPUSHs (newmortalFH (fd, O_RDWR));
2817}
2818
2819void
2820eventfd (unsigned int initval = 0, int flags = 0)
2821 PPCODE:
2822{
2823 int fd;
2824#if HAVE_EVENTFD
2825 fd = eventfd (initval, flags);
2826#else
2827 fd = (errno = ENOSYS, -1);
2828#endif
2829
2830 XPUSHs (newmortalFH (fd, O_RDWR));
2831}
2832
2833void
2834timerfd_create (int clockid, int flags = 0)
2835 PPCODE:
2836{
2837 int fd;
2838#if HAVE_TIMERFD
2839 fd = timerfd_create (clockid, flags);
2840#else
2841 fd = (errno = ENOSYS, -1);
2842#endif
2843
2844 XPUSHs (newmortalFH (fd, O_RDWR));
2845}
2846
2847void
2848timerfd_settime (SV *fh, int flags, NV interval, NV value)
2849 PPCODE:
2850{
2851 int fd = s_fileno_croak (fh, 0);
2852#if HAVE_TIMERFD
2853 int res;
2854 struct itimerspec its, ots;
2855
2856 ts_set (&its.it_interval, interval);
2857 ts_set (&its.it_value , value);
2858 res = timerfd_settime (fd, flags, &its, &ots);
2859
2860 if (!res)
2861 {
2862 EXTEND (SP, 2);
2863 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2864 PUSHs (newSVnv (ts_get (&ots.it_value)));
2865 }
2866#else
2867 errno = ENOSYS;
2868#endif
2869}
2870
2871void
2872timerfd_gettime (SV *fh)
2873 PPCODE:
2874{
2875 int fd = s_fileno_croak (fh, 0);
2876#if HAVE_TIMERFD
2877 int res;
2878 struct itimerspec ots;
2879 res = timerfd_gettime (fd, &ots);
2880
2881 if (!res)
2882 {
2883 EXTEND (SP, 2);
2884 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2885 PUSHs (newSVnv (ts_get (&ots.it_value)));
2886 }
2887#else
2888 errno = ENOSYS;
2889#endif
2890}
2891
2892void
2893memfd_create (octet_string pathname, int flags = 0)
2894 PPCODE:
2895{
2896 int fd;
2897#if HAVE_MEMFD_CREATE
2898 fd = memfd_create (pathname, flags);
2899#else
2900 fd = (errno = ENOSYS, -1);
2901#endif
2902
2903 XPUSHs (newmortalFH (fd, O_RDWR));
2904}
2905
2906int
2907fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2908 CODE:
2909{
2910 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2911 char **envp, **argv;
2912 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2913 if (!SvOK (envs))
2914 {
2915 extern char **environ;
2916 envp = environ;
2917 }
2918 else
2919 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2920#if HAVE_FEXECVE
2921 RETVAL = fexecve (fd, argv, envp);
2922#else
2923 RETVAL = (errno = ENOSYS, -1);
2924#endif
2925}
2926 OUTPUT: RETVAL
2927
2928int
2929mount (octet_string special, octet_string path, octet_string fstype, UV flags = 0, octet_string_ornull data = 0)
2930 CODE:
2931#if HAVE_MOUNT
2932 RETVAL = mount (special, path, fstype, flags, data);
2933#else
2934 RETVAL = (errno = ENOSYS, -1);
2935#endif
2936 OUTPUT: RETVAL
2937
2938int
2939umount (octet_string path, int flags = 0)
2940 CODE:
2941 if (flags)
2942#if HAVE_UMOUNT2
2943 RETVAL = umount2 (path, flags);
2944#else
2945 RETVAL = (errno = ENOSYS, -1);
2946#endif
2947 else
2948#if HAVE_UMOUNT
2949 RETVAL = umount (path);
2950#else
2951 RETVAL = (errno = ENOSYS, -1);
2952#endif
2953 OUTPUT: RETVAL
2954
2955UV
2956get_fdlimit ()
2957 CODE:
2958#if HAVE_RLIMITS
2959 struct rlimit rl;
2960 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2961 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2962#endif
2963 XSRETURN_UNDEF;
2964 OUTPUT:
2965 RETVAL
2966
2967void
2968min_fdlimit (UV limit = 0x7fffffffU)
2969 CODE:
2970{
2971#if HAVE_RLIMITS
2972 struct rlimit rl;
2973 rlim_t orig_rlim_max;
2974 UV bit;
2975
2976 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2977 goto fail;
2978
2979 if (rl.rlim_cur == RLIM_INFINITY)
2980 XSRETURN_YES;
2981
2982 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2983
2984 if (rl.rlim_cur < limit)
2985 {
2986 rl.rlim_cur = limit;
2987
2988 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2989 rl.rlim_max = rl.rlim_cur;
2990 }
2991
2992 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2993 XSRETURN_YES;
2994
2995 if (errno == EPERM)
2996 {
2997 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2998 /* our limit overflows a system-wide limit */
2999 /* try an adaptive algorithm, but do not lower the hardlimit */
3000 rl.rlim_max = 0;
3001 for (bit = 0x40000000U; bit; bit >>= 1)
3002 {
3003 rl.rlim_max |= bit;
3004 rl.rlim_cur = rl.rlim_max;
3005
3006 /* never decrease the hard limit */
3007 if (rl.rlim_max < orig_rlim_max)
3008 break;
3009
3010 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
3011 rl.rlim_max &= ~bit; /* too high, remove bit again */
3012 }
3013
3014 /* now, raise the soft limit to the max permitted */
3015 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
3016 {
3017 rl.rlim_cur = rl.rlim_max;
3018 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
3019 errno = EPERM;
3020 }
3021 }
3022#endif
3023 fail:
3024 XSRETURN_UNDEF;
3025}
1549 3026
1550void _on_next_submit (SV *cb) 3027void _on_next_submit (SV *cb)
1551 CODE: 3028 CODE:
1552 SvREFCNT_dec (on_next_submit); 3029 SvREFCNT_dec (on_next_submit);
1553 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 3030 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1554 3031
1555PROTOTYPES: DISABLE 3032PROTOTYPES: DISABLE
1556 3033
3034MODULE = IO::AIO PACKAGE = IO::AIO::WD
3035
3036BOOT:
3037{
3038 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
3039 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
3040}
3041
3042void
3043DESTROY (SV *self)
3044 CODE:
3045{
3046 aio_wd wd = SvAIO_WD (self);
3047#if HAVE_AT
3048 {
3049 SV *callback = &PL_sv_undef;
3050 dREQ; /* clobbers next_pri :/ */
3051 next_pri = req->pri; /* restore next_pri */
3052 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
3053 req->type = EIO_WD_CLOSE;
3054 req->wd = wd;
3055 REQ_SEND;
3056 }
3057#else
3058 eio_wd_close_sync (wd);
3059#endif
3060}
3061
1557MODULE = IO::AIO PACKAGE = IO::AIO::REQ 3062MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1558 3063
1559void 3064void
1560cancel (aio_req_ornot req) 3065cancel (aio_req_ornot req)
1561 CODE: 3066 CODE:
1562 eio_cancel (req); 3067 eio_cancel (req);
1563 3068
1564void 3069void
1565cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 3070cb (aio_req_ornot req, SV *callback = NO_INIT)
1566 PPCODE: 3071 PPCODE:
1567{ 3072{
1568 if (GIMME_V != G_VOID) 3073 if (GIMME_V != G_VOID)
1569 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 3074 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1570 3075
1571 if (items > 1) 3076 if (items > 1)
1572 { 3077 {
1573 SV *cb_cv =get_cb (callback); 3078 SV *cb_cv = get_cb (callback);
1574 3079
1575 SvREFCNT_dec (req->callback); 3080 SvREFCNT_dec (req->callback);
1576 req->callback = SvREFCNT_inc (cb_cv); 3081 req->callback = SvREFCNT_inc (cb_cv);
1577 } 3082 }
1578} 3083}
… …
1635limit (aio_req grp, int limit) 3140limit (aio_req grp, int limit)
1636 CODE: 3141 CODE:
1637 eio_grp_limit (grp, limit); 3142 eio_grp_limit (grp, limit);
1638 3143
1639void 3144void
1640feed (aio_req grp, SV *callback=&PL_sv_undef) 3145feed (aio_req grp, SV *callback = &PL_sv_undef)
1641 CODE: 3146 CODE:
1642{ 3147{
1643 SvREFCNT_dec (grp->sv2); 3148 SvREFCNT_dec (grp->sv2);
1644 grp->sv2 = newSVsv (callback); 3149 grp->sv2 = newSVsv (callback);
1645 grp->feed = aio_grp_feed; 3150 grp->feed = aio_grp_feed;

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