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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.184 by root, Tue Jul 5 20:34:42 2011 UTC vs.
Revision 1.282 by root, Wed Feb 26 15:49:25 2020 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_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
22# include <sys/mman.h> 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
23#endif 36#endif
24 37
25/* perl namespace pollution */ 38/* perl namespace pollution */
26#undef VERSION 39#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 40
77/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
79#undef readdir 43#undef readdir
80#undef opendir 44#undef opendir
81#undef closedir 45#undef closedir
82 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
84 84
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 85#else
91# define VAL64 NV 86
92# define SvVAL64 SvNV 87 #include <sys/time.h>
93# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <unistd.h>
90 #include <utime.h>
91 #include <signal.h>
92
93 #define EIO_STRUCT_STAT Stat_t
94
94#endif 95#endif
95 96
96/*****************************************************************************/ 97/*****************************************************************************/
97 98
98#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
106 107
107/*****************************************************************************/ 108/*****************************************************************************/
108 109
110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
171
109typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
112 175
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 176static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 177
115#define EIO_REQ_MEMBERS \ 178#define EIO_REQ_MEMBERS \
116 SV *callback; \ 179 SV *callback; \
117 SV *sv1, *sv2; \ 180 SV *sv1, *sv2; \
181 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 182 STRLEN stroffset; \
119 SV *self; 183 SV *self;
120 184
121#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
122 186
123#include "libeio/config.h"
124#include "libeio/eio.h" 187#include "libeio/eio.h"
125 188
126/* Linux/others */ 189static int req_invoke (eio_req *req);
127#ifndef O_ASYNC 190#define EIO_FINISH(req) req_invoke (req)
128# define O_ASYNC 0 191static void req_destroy (eio_req *grp);
129#endif 192#define EIO_DESTROY(req) req_destroy (req)
130#ifndef O_DIRECT
131# define O_DIRECT 0
132#endif
133#ifndef O_NOATIME
134# define O_NOATIME 0
135#endif
136 193
137/* POSIX */ 194#include "libeio/eio.c"
138#ifndef O_CLOEXEC
139# define O_CLOEXEC 0
140#endif
141#ifndef O_NOFOLLOW
142# define O_NOFOLLOW 0
143#endif
144#ifndef O_NOCTTY
145# define O_NOCTTY 0
146#endif
147#ifndef O_NONBLOCK
148# define O_NONBLOCK 0
149#endif
150#ifndef O_EXEC
151# define O_EXEC 0
152#endif
153#ifndef O_SEARCH
154# define O_SEARCH 0
155#endif
156#ifndef O_DIRECTORY
157# define O_DIRECTORY 0
158#endif
159#ifndef O_DSYNC
160# define O_DSYNC 0
161#endif
162#ifndef O_RSYNC
163# define O_RSYNC 0
164#endif
165#ifndef O_SYNC
166# define O_SYNC 0
167#endif
168#ifndef O_TTY_INIT
169# define O_TTY_INIT 0
170#endif
171
172#ifndef POSIX_FADV_NORMAL
173# define POSIX_FADV_NORMAL 0
174#endif
175#ifndef POSIX_FADV_SEQUENTIAL
176# define POSIX_FADV_SEQUENTIAL 0
177#endif
178#ifndef POSIX_FADV_RANDOM
179# define POSIX_FADV_RANDOM 0
180#endif
181#ifndef POSIX_FADV_NOREUSE
182# define POSIX_FADV_NOREUSE 0
183#endif
184#ifndef POSIX_FADV_WILLNEED
185# define POSIX_FADV_WILLNEED 0
186#endif
187#ifndef POSIX_FADV_DONTNEED
188# define POSIX_FADV_DONTNEED 0
189#endif
190 195
191#if !HAVE_POSIX_FADVISE 196#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif 198#endif
194 199
195#ifndef POSIX_MADV_NORMAL
196# define POSIX_MADV_NORMAL 0
197#endif
198#ifndef POSIX_MADV_SEQUENTIAL
199# define POSIX_MADV_SEQUENTIAL 0
200#endif
201#ifndef POSIX_MADV_RANDOM
202# define POSIX_MADV_RANDOM 0
203#endif
204#ifndef POSIX_MADV_WILLNEED
205# define POSIX_MADV_WILLNEED 0
206#endif
207#ifndef POSIX_MADV_DONTNEED
208# define POSIX_MADV_DONTNEED 0
209#endif
210
211#if !HAVE_POSIX_MADVISE 200#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef PROT_NONE
216# define PROT_NONE 0
217#endif
218#ifndef PROT_READ
219# define PROT_READ 0
220#endif
221#ifndef PROT_WRITE
222# define PROT_READ 0
223#endif
224#ifndef PROT_EXEC
225# define PROT_EXEC 0
226#endif
227
228#ifndef ST_NODEV
229# define ST_NODEV 0
230#endif
231#ifndef ST_NOEXEC
232# define ST_NOEXEC 0
233#endif
234#ifndef ST_SYNCHRONOUS
235# define ST_SYNCHRONOUS 0
236#endif
237#ifndef ST_MANDLOCK
238# define ST_MANDLOCK 0
239#endif
240#ifndef ST_WRITE
241# define ST_WRITE 0
242#endif
243#ifndef ST_APPEND
244# define ST_APPEND 0
245#endif
246#ifndef ST_IMMUTABLE
247# define ST_IMMUTABLE 0
248#endif
249#ifndef ST_NOATIME
250# define ST_NOATIME 0
251#endif
252#ifndef ST_NODIRATIME
253# define ST_NODIRATIME 0
254#endif
255#ifndef ST_RELATIME
256# define ST_RELATIME 0
257#endif
258
259#ifndef S_IFIFO
260# define S_IFIFO 0
261#endif
262#ifndef S_IFCHR
263# define S_IFCHR 0
264#endif
265#ifndef S_IFBLK
266# define S_IFBLK 0
267#endif
268#ifndef S_IFLNK
269# define S_IFLNK 0
270#endif
271#ifndef S_IFREG
272# define S_IFREG 0
273#endif
274#ifndef S_IFDIR
275# define S_IFDIR 0
276#endif
277#ifndef S_IFWHT
278# define S_IFWHT 0
279#endif
280#ifndef S_IFSOCK
281# define S_IFSOCK 0
282#endif 202#endif
283 203
284#ifndef MAP_ANONYMOUS 204#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON 205# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON 206# define MAP_ANONYMOUS MAP_ANON
287# else 207# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif 209# endif
290#endif 210#endif
291#ifndef MAP_HUGETLB
292# define MAP_HUGETLB 0
293#endif
294#ifndef MAP_LOCKED
295# define MAP_LOCKED 0
296#endif
297#ifndef MAP_NORESERVE
298# define MAP_NORESERVE 0
299#endif
300#ifndef MAP_POPULATE
301# define MAP_POPULATE 0
302#endif
303#ifndef MAP_NONBLOCK
304# define MAP_NONBLOCK 0
305#endif
306 211
307#ifndef makedev 212#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min)) 213# define makedev(maj,min) (((maj) << 8) | (min))
309#endif 214#endif
310#ifndef major 215#ifndef major
… …
312#endif 217#endif
313#ifndef minor 218#ifndef minor
314# define minor(dev) ((dev) & 0xff) 219# define minor(dev) ((dev) & 0xff)
315#endif 220#endif
316 221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
317#ifndef PAGESIZE 224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
318# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
319#endif 229#endif
320 230
321static int req_invoke (eio_req *req); 231/*****************************************************************************/
322#define EIO_FINISH(req) req_invoke (req) 232
323static void req_destroy (eio_req *grp); 233#if !_POSIX_MAPPED_FILES
324#define EIO_DESTROY(req) req_destroy (req) 234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS ()
236#endif
237
238#if !_POSIX_MEMORY_PROTECTION
239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
244#endif
245
246#define FOREIGN_MAGIC PERL_MAGIC_ext
247
248static int ecb_cold
249mmap_free (pTHX_ SV *sv, MAGIC *mg)
250{
251 int old_errno = errno;
252 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
253 errno = old_errno;
254
255 mg->mg_obj = 0; /* just in case */
256
257 SvREADONLY_off (sv);
258
259 if (SvPVX (sv) != mg->mg_ptr)
260 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
261
262 SvCUR_set (sv, 0);
263 SvPVX (sv) = 0;
264 SvOK_off (sv);
265
266 return 0;
267}
268
269static MGVTBL mmap_vtbl = {
270 0, 0, 0, 0, mmap_free
271};
272
273static int ecb_cold
274sysfree_free (pTHX_ SV *sv, MAGIC *mg)
275{
276 free (mg->mg_ptr);
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 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 sysfree_vtbl = {
292 0, 0, 0, 0, sysfree_free
293};
294
295/*****************************************************************************/
296
297/* helper: set scalar to foreign ptr with custom free */
298ecb_noinline
299static void
300sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
301{
302 sv_force_normal (sv);
303
304 /* we store the length in mg_obj, as namlen is I32 :/ */
305 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
306 ->mg_obj = (SV *)length;
307
308 SvUPGRADE (sv, SVt_PV); /* nop... */
309
310 if (SvLEN (sv))
311 Safefree (SvPVX (sv));
312
313 SvPVX (sv) = (char *)addr;
314 SvCUR_set (sv, length);
315 SvLEN_set (sv, 0);
316 SvPOK_only (sv);
317}
318
319static void
320sv_clear_foreign (SV *sv)
321{
322 /* todo: iterate over magic and only free ours, but of course */
323 /* the perl5porters will call that (correct) behaviour buggy */
324 sv_unmagic (sv, FOREIGN_MAGIC);
325}
326
327/*****************************************************************************/
328
329/* defines all sorts of constants to 0 unless they are already defined */
330/* also provides const_iv_ and const_niv_ macros for them */
331#include "def0.h"
332
333/*****************************************************************************/
334
335static void
336fiemap (eio_req *req)
337{
338 req->result = -1;
339
340#if HAVE_FIEMAP
341 /* assume some c99 */
342 struct fiemap *fiemap = 0;
343 size_t end_offset;
344 int count = req->int3;
345
346 req->flags |= EIO_FLAG_PTR1_FREE;
347
348 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
349 /* increase in 3.5kb steps */
350 if (count < 0)
351 count = 8;
352
353 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
354 errno = ENOMEM;
355 if (!fiemap)
356 return;
357
358 req->ptr1 = fiemap;
359
360 fiemap->fm_start = req->offs;
361 fiemap->fm_length = req->size;
362 fiemap->fm_flags = req->int2;
363 fiemap->fm_extent_count = count;
364
365 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
366 return;
367
368 if (req->int3 >= 0 /* not autosizing */
369 || !fiemap->fm_mapped_extents /* no more extents */
370 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
371 goto done;
372
373 /* else we have to loop -
374 * it would be tempting (actually I tried that first) to just query the
375 * number of extents needed, but linux often feels like not returning all
376 * extents, without telling us it left any out. this complicates
377 * this quite a bit.
378 */
379
380 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
381
382 for (;;)
383 {
384 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
385 char scratch[3072];
386 struct fiemap *incmap = (struct fiemap *)scratch;
387
388 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
389 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
390 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
391 incmap->fm_flags = fiemap->fm_flags;
392 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
393
394 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
395 return;
396
397 if (!incmap->fm_mapped_extents)
398 goto done;
399
400 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
401 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
402 errno = ENOMEM;
403 if (!fiemap)
404 return;
405
406 req->ptr1 = fiemap;
407
408 for (count = 0; count < incmap->fm_mapped_extents; ++count)
409 {
410 struct fiemap_extent *e = incmap->fm_extents + count;
411
412 if (e->fe_logical + e->fe_length >= end_offset)
413 goto done;
414
415 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
416
417 if (e->fe_flags & FIEMAP_EXTENT_LAST)
418 goto done;
419
420 }
421 }
422
423done:
424 req->result = 0;
425
426#else
427 errno = ENOSYS;
428#endif
429}
430
431/*****************************************************************************/
432
433static int close_fd; /* dummy fd to close fds via dup2 */
434
435#if HAVE_STATX
436static struct statx stx;
437#define statx_offsetof(member) offsetof (struct statx, member)
438#define eio__statx statx
439#else
440#define statx_offsetof(member) 0
441#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
442#endif
325 443
326enum { 444enum {
327 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 445 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328}; 446};
329 447
330#include "libeio/eio.c"
331
332typedef eio_req *aio_req; 448typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 449typedef eio_req *aio_req_ornot;
450typedef eio_wd aio_wd;
334 451
335static SV *on_next_submit; 452static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 453static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 454static int max_outstanding;
338 455
339static s_epipe respipe; 456static s_epipe respipe;
340 457
341static void req_destroy (aio_req req); 458static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 459static void req_cancel (aio_req req);
343 460
344static void want_poll (void) 461static void
462want_poll (void)
345{ 463{
346 /* write a dummy byte to the pipe so fh becomes ready */ 464 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 465 s_epipe_signal (&respipe);
348} 466}
349 467
350static void done_poll (void) 468static void
469done_poll (void)
351{ 470{
352 /* read any signals sent by the worker threads */ 471 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 472 s_epipe_drain (&respipe);
354} 473}
355 474
356/* must be called at most once */ 475/* must be called at most once */
476ecb_noinline
477static SV *
357static SV *req_sv (aio_req req, HV *stash) 478req_sv (aio_req req, HV *stash)
358{ 479{
359 if (!req->self) 480 if (!req->self)
360 { 481 {
361 req->self = (SV *)newHV (); 482 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 483 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 484 }
364 485
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 486 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 487}
367 488
368static aio_req SvAIO_REQ (SV *sv) 489static SV *
490newSVaio_wd (aio_wd wd)
491{
492 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
493}
494
495ecb_noinline
496static aio_req
497SvAIO_REQ (SV *sv)
369{ 498{
370 MAGIC *mg; 499 MAGIC *mg;
371 500
372 if (!SvROK (sv) 501 if (!SvROK (sv)
502 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 503 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 504 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 505 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 506 croak ("object of class IO::AIO::REQ expected");
377 507
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 508 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 509
380 return mg ? (aio_req)mg->mg_ptr : 0; 510 return mg ? (aio_req)mg->mg_ptr : 0;
381} 511}
382 512
513static aio_wd
514SvAIO_WD (SV *sv)
515{
516 if (!SvROK (sv)
517 || SvTYPE (SvRV (sv)) != SVt_PVMG
518 || SvSTASH (SvRV (sv)) != aio_wd_stash)
519 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
520
521 return (aio_wd)(long)SvIVX (SvRV (sv));
522}
523
524static SV *
525newmortalFH (int fd, int flags)
526{
527 if (fd < 0)
528 return &PL_sv_undef;
529
530 GV *gv = (GV *)sv_newmortal ();
531 char sym[64];
532 int symlen;
533
534 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
535 gv_init (gv, aio_stash, sym, symlen, 0);
536
537 symlen = snprintf (
538 sym,
539 sizeof (sym),
540 "%s&=%d",
541 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
542 fd
543 );
544
545 return do_open (gv, sym, symlen, 0, 0, 0, 0)
546 ? (SV *)gv : &PL_sv_undef;
547}
548
549static void
383static void aio_grp_feed (aio_req grp) 550aio_grp_feed (aio_req grp)
384{ 551{
385 if (grp->sv2 && SvOK (grp->sv2)) 552 if (grp->sv2 && SvOK (grp->sv2))
386 { 553 {
387 dSP; 554 dSP;
388 555
… …
396 FREETMPS; 563 FREETMPS;
397 LEAVE; 564 LEAVE;
398 } 565 }
399} 566}
400 567
568ecb_noinline
569static void
401static void req_submit (eio_req *req) 570req_submit (eio_req *req)
402{ 571{
403 eio_submit (req); 572 eio_submit (req);
404 573
405 if (expect_false (on_next_submit)) 574 if (expect_false (on_next_submit))
406 { 575 {
… …
413 PUTBACK; 582 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 583 call_sv (cb, G_DISCARD | G_EVAL);
415 } 584 }
416} 585}
417 586
587static int
418static int req_invoke (eio_req *req) 588req_invoke (eio_req *req)
419{ 589{
420 if (req->flags & FLAG_SV2_RO_OFF) 590 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 591 SvREADONLY_off (req->sv2);
422 592
423 if (!EIO_CANCELLED (req) && req->callback) 593 if (!EIO_CANCELLED (req) && req->callback)
… …
444 SvREADONLY_on (sv_result); 614 SvREADONLY_on (sv_result);
445 } 615 }
446 616
447 switch (req->type) 617 switch (req->type)
448 { 618 {
619 case EIO_WD_OPEN:
620 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
621 break;
622
449 case EIO_READDIR: 623 case EIO_READDIR:
450 { 624 {
451 SV *rv = &PL_sv_undef; 625 SV *rv = &PL_sv_undef;
452 626
453 if (req->result >= 0) 627 if (req->result >= 0)
… …
506 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 680 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
507 } 681 }
508 break; 682 break;
509 683
510 case EIO_OPEN: 684 case EIO_OPEN:
511 { 685 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
512 /* convert fd to fh */
513 SV *fh = &PL_sv_undef;
514
515 if (req->result >= 0)
516 {
517 GV *gv = (GV *)sv_newmortal ();
518 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
519 char sym [64];
520 int symlen;
521
522 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
523 gv_init (gv, aio_stash, sym, symlen, 0);
524
525 symlen = snprintf (
526 sym,
527 sizeof (sym),
528 "%s&=%d",
529 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
530 (int)req->result
531 );
532
533 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
534 fh = (SV *)gv;
535 }
536
537 PUSHs (fh);
538 }
539 break; 686 break;
540 687
541 case EIO_STATVFS: 688 case EIO_STATVFS:
542 case EIO_FSTATVFS: 689 case EIO_FSTATVFS:
543 { 690 {
544 SV *rv = &PL_sv_undef; 691 SV *rv = &PL_sv_undef;
545 692
693#ifndef _WIN32
546 if (req->result >= 0) 694 if (req->result >= 0)
547 { 695 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 696 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV (); 697 HV *hv = newHV ();
698 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
699 * chooses to make it a struct.
700 */
701 unsigned long fsid = 0;
702 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550 703
551 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 704 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552 705
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 706 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 707 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 709 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 710 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 711 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 712 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 713 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 714 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 715 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 716 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 } 717 }
718#endif
565 719
566 PUSHs (rv); 720 PUSHs (rv);
567 } 721 }
568 722
569 break; 723 break;
… …
593 break; 747 break;
594 748
595 case EIO_STAT: 749 case EIO_STAT:
596 case EIO_LSTAT: 750 case EIO_LSTAT:
597 case EIO_FSTAT: 751 case EIO_FSTAT:
598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 752 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
753
599 PL_laststatval = req->result; 754 if (!(PL_laststatval = req->result))
755 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 756 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
757
601 PUSHs (sv_result); 758 PUSHs (sv_result);
759 break;
760
761 case EIO_SEEK:
762 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
602 break; 763 break;
603 764
604 case EIO_READ: 765 case EIO_READ:
605 { 766 {
606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 767 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
609 SvSETMAGIC (req->sv2); 770 SvSETMAGIC (req->sv2);
610 PUSHs (sv_result); 771 PUSHs (sv_result);
611 } 772 }
612 break; 773 break;
613 774
775 case EIO_SLURP:
776 {
777 if (req->result >= 0)
778 {
779 /* if length was originally not known, we steal the malloc'ed memory */
780 if (req->flags & EIO_FLAG_PTR2_FREE)
781 {
782 req->flags &= ~EIO_FLAG_PTR2_FREE;
783 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
784 }
785 else
786 {
787 SvCUR_set (req->sv2, req->result);
788 *SvEND (req->sv2) = 0;
789 SvPOK_only (req->sv2);
790 }
791
792 SvSETMAGIC (req->sv2);
793 }
794
795 PUSHs (sv_result);
796 }
797 break;
798
799 case EIO_CUSTOM:
800 if (req->feed == fiemap)
801 {
802#if HAVE_FIEMAP
803 if (!req->result)
804 {
805 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
806
807 if (fiemap->fm_extent_count)
808 {
809 AV *av = newAV ();
810 int i;
811
812 while (fiemap->fm_mapped_extents)
813 {
814 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
815 AV *ext_av = newAV ();
816
817 av_store (ext_av, 3, newSVuv (extent->fe_flags));
818 av_store (ext_av, 2, newSVval64 (extent->fe_length));
819 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
820 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
821
822 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
823 }
824
825 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
826 }
827 else
828 {
829 SvIV_set (sv_result, fiemap->fm_mapped_extents);
830 PUSHs (sv_result);
831 }
832 }
833#endif
834 }
835 else
836 PUSHs (sv_result);
837 break;
838
839#if 0
840 case EIO_CLOSE:
841 PerlIOUnix_refcnt_dec (req->int1);
842 break;
843#endif
844
614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 845 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
615 if (req->result > 0) 846 if (req->result > 0)
616 SvIV_set (sv_result, 0); 847 SvIV_set (sv_result, 0);
617 /* FALLTHROUGH */ 848 /* FALLTHROUGH */
618 849
… …
639 } 870 }
640 871
641 return !!SvTRUE (ERRSV); 872 return !!SvTRUE (ERRSV);
642} 873}
643 874
875static void
644static void req_destroy (aio_req req) 876req_destroy (aio_req req)
645{ 877{
646 if (req->self) 878 if (req->self)
647 { 879 {
648 sv_unmagic (req->self, PERL_MAGIC_ext); 880 sv_unmagic (req->self, PERL_MAGIC_ext);
649 SvREFCNT_dec (req->self); 881 SvREFCNT_dec (req->self);
650 } 882 }
651 883
652 SvREFCNT_dec (req->sv1); 884 SvREFCNT_dec (req->sv1);
653 SvREFCNT_dec (req->sv2); 885 SvREFCNT_dec (req->sv2);
886 SvREFCNT_dec (req->sv3);
887 SvREFCNT_dec (req->sv4);
654 SvREFCNT_dec (req->callback); 888 SvREFCNT_dec (req->callback);
655 889
656 Safefree (req); 890 free (req);
657} 891}
658 892
893static void
659static void req_cancel_subs (aio_req grp) 894req_cancel_subs (aio_req grp)
660{ 895{
661 aio_req sub;
662
663 if (grp->type != EIO_GROUP) 896 if (grp->type != EIO_GROUP)
664 return; 897 return;
665 898
666 SvREFCNT_dec (grp->sv2); 899 SvREFCNT_dec (grp->sv2);
667 grp->sv2 = 0; 900 grp->sv2 = 0;
668 901
669 eio_grp_cancel (grp); 902 eio_grp_cancel (grp);
670} 903}
671 904
905ecb_cold
906static void
672static void create_respipe (void) 907create_respipe (void)
673{ 908{
674 if (s_epipe_renew (&respipe)) 909 if (s_epipe_renew (&respipe))
675 croak ("IO::AIO: unable to initialize result pipe"); 910 croak ("IO::AIO: unable to initialize result pipe");
676} 911}
677 912
678static void poll_wait (void) 913static void
914poll_wait (void)
679{ 915{
680 while (eio_nreqs ()) 916 while (eio_nreqs ())
681 { 917 {
682 int size; 918 int size;
683 919
684 X_LOCK (reslock); 920 X_LOCK (EIO_POOL->reslock);
685 size = res_queue.size; 921 size = EIO_POOL->res_queue.size;
686 X_UNLOCK (reslock); 922 X_UNLOCK (EIO_POOL->reslock);
687 923
688 if (size) 924 if (size)
689 return; 925 return;
690 926
691 etp_maybe_start_thread (); 927 etp_maybe_start_thread (EIO_POOL);
692 928
693 s_epipe_wait (&respipe); 929 s_epipe_wait (&respipe);
694 } 930 }
695} 931}
696 932
697static int poll_cb (void) 933static int
934poll_cb (void)
698{ 935{
699 for (;;) 936 for (;;)
700 { 937 {
701 int res = eio_poll (); 938 int res = eio_poll ();
702 939
… …
708 945
709 poll_wait (); 946 poll_wait ();
710 } 947 }
711} 948}
712 949
713static void atfork_child (void) 950ecb_cold
951static void
952reinit (void)
714{ 953{
715 create_respipe (); 954 create_respipe ();
955
956 if (eio_init (want_poll, done_poll) < 0)
957 croak ("IO::AIO: unable to initialise eio library");
716} 958}
717 959
718/*****************************************************************************/ 960/*****************************************************************************/
719 961
720#if !_POSIX_MAPPED_FILES 962static SV *
721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
722# define munmap(addr,length) (errno = ENOSYS, -1)
723#endif
724
725#if !_POSIX_MEMORY_PROTECTION
726# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
727# define PROT_NONE 0
728# define PROT_WRITE 0
729# define MAP_PRIVATE 0
730# define MAP_SHARED 0
731# define MAP_FIXED 0
732#endif
733
734#define MMAP_MAGIC PERL_MAGIC_ext
735
736static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
737{
738 int old_errno = errno;
739 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
740 errno = old_errno;
741
742 mg->mg_obj = 0; /* just in case */
743
744 SvREADONLY_off (sv);
745
746 if (SvPVX (sv) != mg->mg_ptr)
747 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
748
749 SvCUR_set (sv, 0);
750 SvPVX (sv) = 0;
751 SvOK_off (sv);
752
753 return 0;
754}
755
756static MGVTBL mmap_vtbl = {
757 0, 0, 0, 0, mmap_free
758};
759
760/*****************************************************************************/
761
762static SV * get_cb (SV *cb_sv) 963get_cb (SV *cb_sv)
763{ 964{
764 SvGETMAGIC (cb_sv); 965 SvGETMAGIC (cb_sv);
765 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 966 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
766} 967}
767 968
969ecb_noinline
970static aio_req ecb_noinline
971dreq (SV *callback)
972{
973 SV *cb_cv;
974 aio_req req;
975 int req_pri = next_pri;
976 next_pri = EIO_PRI_DEFAULT;
977
978 cb_cv = get_cb (callback);
979
980 req = calloc (sizeof (*req), 1);
981 if (!req)
982 croak ("out of memory during eio_req allocation");
983
984 req->callback = SvREFCNT_inc (cb_cv);
985 req->pri = req_pri;
986
987 return req;
988}
989
768#define dREQ \ 990#define dREQ \
769 SV *cb_cv; \ 991 aio_req req = dreq (callback); \
770 aio_req req; \
771 int req_pri = next_pri; \
772 next_pri = EIO_PRI_DEFAULT; \
773 \
774 cb_cv = get_cb (callback); \
775 \
776 Newz (0, req, 1, eio_req); \
777 if (!req) \
778 croak ("out of memory during eio_req allocation"); \
779 \
780 req->callback = SvREFCNT_inc (cb_cv); \
781 req->pri = req_pri
782 992
783#define REQ_SEND \ 993#define REQ_SEND \
784 PUTBACK; \ 994 PUTBACK; \
785 req_submit (req); \ 995 req_submit (req); \
786 SPAGAIN; \ 996 SPAGAIN; \
787 \ 997 \
788 if (GIMME_V != G_VOID) \ 998 if (GIMME_V != G_VOID) \
789 XPUSHs (req_sv (req, aio_req_stash)); 999 XPUSHs (req_sv (req, aio_req_stash));
790 1000
1001/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1002ecb_inline
1003void
1004req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1005{
1006 if (expect_false (SvROK (path)))
1007 {
1008 SV *rv = SvRV (path);
1009 SV *wdob;
1010
1011 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1012 {
1013 path = AvARRAY (rv)[1];
1014 wdob = AvARRAY (rv)[0];
1015
1016 if (SvOK (wdob))
1017 {
1018 *wd = SvAIO_WD (wdob);
1019 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1020 }
1021 else
1022 *wd = EIO_INVALID_WD;
1023 }
1024 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1025 {
1026 *wd = (aio_wd)(long)SvIVX (rv);
1027 *wdsv = SvREFCNT_inc_NN (rv);
1028 *ptr = ".";
1029 return; /* path set to "." */
1030 }
1031 else
1032 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1033 }
1034
1035 *pathsv = newSVsv (path);
1036 *ptr = SvPVbyte_nolen (*pathsv);
1037}
1038
1039ecb_noinline
1040static void
1041req_set_path1 (aio_req req, SV *path)
1042{
1043 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1044}
1045
1046ecb_noinline
1047static void
1048req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1049{
1050 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1051
1052 switch (SvTYPE (rv))
1053 {
1054 case SVt_PVIO:
1055 case SVt_PVLV:
1056 case SVt_PVGV:
1057 req->type = type_fh;
1058 req->sv1 = newSVsv (fh_or_path);
1059 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1060 break;
1061
1062 default:
1063 req->type = type_path;
1064 req_set_path1 (req, fh_or_path);
1065 break;
1066 }
1067}
1068
1069/*****************************************************************************/
1070
1071static void
1072ts_set (struct timespec *ts, NV value)
1073{
1074 ts->tv_sec = value;
1075 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1076}
1077
1078static NV
1079ts_get (const struct timespec *ts)
1080{
1081 return ts->tv_sec + ts->tv_nsec * 1e-9;
1082}
1083
1084/*****************************************************************************/
1085
1086XS(boot_IO__AIO) ecb_cold;
1087
791MODULE = IO::AIO PACKAGE = IO::AIO 1088MODULE = IO::AIO PACKAGE = IO::AIO
792 1089
793PROTOTYPES: ENABLE 1090PROTOTYPES: ENABLE
794 1091
795BOOT: 1092BOOT:
… …
799 IV iv; 1096 IV iv;
800 } *civ, const_iv[] = { 1097 } *civ, const_iv[] = {
801# define const_niv(name, value) { # name, (IV) value }, 1098# define const_niv(name, value) { # name, (IV) value },
802# define const_iv(name) { # name, (IV) name }, 1099# define const_iv(name) { # name, (IV) name },
803# define const_eio(name) { # name, (IV) EIO_ ## name }, 1100# define const_eio(name) { # name, (IV) EIO_ ## name },
1101
1102 /* you have to re-run ./gendef0 after adding/removing any constants here */
1103 /* the first block can be undef if missing */
1104 const_iv (ENOSYS)
804 const_iv (EXDEV) 1105 const_iv (EXDEV)
805 const_iv (ENOSYS) 1106 const_iv (EBADR)
1107
1108 /* for lseek */
1109 const_iv (SEEK_DATA)
1110 const_iv (SEEK_HOLE)
1111
1112 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1113 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1114 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1115 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1116 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1117 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1118
1119 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1120 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1121 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1122 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1123 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1124
1125 /* the second block will be 0 when missing */
1126 const_iv (O_ACCMODE)
1127
806 const_iv (O_RDONLY) 1128 const_iv (O_RDONLY)
807 const_iv (O_WRONLY) 1129 const_iv (O_WRONLY)
808 const_iv (O_RDWR) 1130 const_iv (O_RDWR)
809 const_iv (O_CREAT) 1131 const_iv (O_CREAT)
810 const_iv (O_TRUNC) 1132 const_iv (O_TRUNC)
… …
823 const_iv (O_SEARCH) 1145 const_iv (O_SEARCH)
824 const_iv (O_DIRECTORY) 1146 const_iv (O_DIRECTORY)
825 const_iv (O_DSYNC) 1147 const_iv (O_DSYNC)
826 const_iv (O_RSYNC) 1148 const_iv (O_RSYNC)
827 const_iv (O_SYNC) 1149 const_iv (O_SYNC)
1150 const_iv (O_PATH)
1151 const_iv (O_TMPFILE)
828 const_iv (O_TTY_INIT) 1152 const_iv (O_TTY_INIT)
829 1153
830 const_iv (S_IFIFO) 1154 const_iv (S_IFIFO)
831 const_iv (S_IFCHR) 1155 const_iv (S_IFCHR)
832 const_iv (S_IFBLK) 1156 const_iv (S_IFBLK)
… …
834 const_iv (S_IFREG) 1158 const_iv (S_IFREG)
835 const_iv (S_IFDIR) 1159 const_iv (S_IFDIR)
836 const_iv (S_IFWHT) 1160 const_iv (S_IFWHT)
837 const_iv (S_IFSOCK) 1161 const_iv (S_IFSOCK)
838 const_iv (S_IFMT) 1162 const_iv (S_IFMT)
839
840 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
841 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
842 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
843 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
844 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
845 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
846
847 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
848 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
849 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
850 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
851 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
852 1163
853 const_iv (ST_RDONLY) 1164 const_iv (ST_RDONLY)
854 const_iv (ST_NOSUID) 1165 const_iv (ST_NOSUID)
855 const_iv (ST_NODEV) 1166 const_iv (ST_NODEV)
856 const_iv (ST_NOEXEC) 1167 const_iv (ST_NOEXEC)
… …
866 const_iv (PROT_NONE) 1177 const_iv (PROT_NONE)
867 const_iv (PROT_EXEC) 1178 const_iv (PROT_EXEC)
868 const_iv (PROT_READ) 1179 const_iv (PROT_READ)
869 const_iv (PROT_WRITE) 1180 const_iv (PROT_WRITE)
870 1181
871 /*const_iv (MAP_FIXED)*/
872 const_iv (MAP_PRIVATE) 1182 const_iv (MAP_PRIVATE)
873 const_iv (MAP_SHARED) 1183 const_iv (MAP_SHARED)
1184 const_iv (MAP_FIXED)
874 const_iv (MAP_ANONYMOUS) 1185 const_iv (MAP_ANONYMOUS)
875 1186
876 /* linuxish */ 1187 /* linuxish */
877 const_iv (MAP_HUGETLB)
878 const_iv (MAP_LOCKED) 1188 const_iv (MAP_LOCKED)
879 const_iv (MAP_NORESERVE) 1189 const_iv (MAP_NORESERVE)
880 const_iv (MAP_POPULATE) 1190 const_iv (MAP_POPULATE)
881 const_iv (MAP_NONBLOCK) 1191 const_iv (MAP_NONBLOCK)
1192 const_iv (MAP_GROWSDOWN)
1193 const_iv (MAP_32BIT)
1194 const_iv (MAP_HUGETLB)
1195 const_iv (MAP_STACK)
1196
1197 const_iv (MREMAP_MAYMOVE)
1198 const_iv (MREMAP_FIXED)
1199
1200 const_iv (MSG_CMSG_CLOEXEC)
1201 const_iv (SOCK_CLOEXEC)
1202
1203 const_iv (F_DUPFD_CLOEXEC)
1204
1205 const_iv (F_ADD_SEALS)
1206 const_iv (F_GET_SEALS)
1207 const_iv (F_SEAL_SEAL)
1208 const_iv (F_SEAL_SHRINK)
1209 const_iv (F_SEAL_GROW)
1210 const_iv (F_SEAL_WRITE)
1211
1212 const_iv (F_OFD_GETLK)
1213 const_iv (F_OFD_SETLK)
1214 const_iv (F_OFD_GETLKW)
1215
1216 const_iv (FIFREEZE)
1217 const_iv (FITHAW)
1218 const_iv (FITRIM)
1219 const_iv (FICLONE)
1220 const_iv (FICLONERANGE)
1221 const_iv (FIDEDUPERANGE)
1222
1223 const_iv (FS_IOC_GETFLAGS)
1224 const_iv (FS_IOC_SETFLAGS)
1225 const_iv (FS_IOC_GETVERSION)
1226 const_iv (FS_IOC_SETVERSION)
1227 const_iv (FS_IOC_FIEMAP)
1228 const_iv (FS_IOC_FSGETXATTR)
1229 const_iv (FS_IOC_FSSETXATTR)
1230 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1231 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1232 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1233
1234 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1235
1236 const_iv (FS_SECRM_FL)
1237 const_iv (FS_UNRM_FL)
1238 const_iv (FS_COMPR_FL)
1239 const_iv (FS_SYNC_FL)
1240 const_iv (FS_IMMUTABLE_FL)
1241 const_iv (FS_APPEND_FL)
1242 const_iv (FS_NODUMP_FL)
1243 const_iv (FS_NOATIME_FL)
1244 const_iv (FS_DIRTY_FL)
1245 const_iv (FS_COMPRBLK_FL)
1246 const_iv (FS_NOCOMP_FL)
1247 const_iv (FS_ENCRYPT_FL)
1248 const_iv (FS_BTREE_FL)
1249 const_iv (FS_INDEX_FL)
1250 const_iv (FS_JOURNAL_DATA_FL)
1251 const_iv (FS_NOTAIL_FL)
1252 const_iv (FS_DIRSYNC_FL)
1253 const_iv (FS_TOPDIR_FL)
1254 const_iv (FS_FL_USER_MODIFIABLE)
1255
1256 const_iv (FS_XFLAG_REALTIME)
1257 const_iv (FS_XFLAG_PREALLOC)
1258 const_iv (FS_XFLAG_IMMUTABLE)
1259 const_iv (FS_XFLAG_APPEND)
1260 const_iv (FS_XFLAG_SYNC)
1261 const_iv (FS_XFLAG_NOATIME)
1262 const_iv (FS_XFLAG_NODUMP)
1263 const_iv (FS_XFLAG_RTINHERIT)
1264 const_iv (FS_XFLAG_PROJINHERIT)
1265 const_iv (FS_XFLAG_NOSYMLINKS)
1266 const_iv (FS_XFLAG_EXTSIZE)
1267 const_iv (FS_XFLAG_EXTSZINHERIT)
1268 const_iv (FS_XFLAG_NODEFRAG)
1269 const_iv (FS_XFLAG_FILESTREAM)
1270 const_iv (FS_XFLAG_DAX)
1271 const_iv (FS_XFLAG_HASATTR)
1272
1273 const_iv (FIEMAP_FLAG_SYNC)
1274 const_iv (FIEMAP_FLAG_XATTR)
1275 const_iv (FIEMAP_FLAGS_COMPAT)
1276 const_iv (FIEMAP_EXTENT_LAST)
1277 const_iv (FIEMAP_EXTENT_UNKNOWN)
1278 const_iv (FIEMAP_EXTENT_DELALLOC)
1279 const_iv (FIEMAP_EXTENT_ENCODED)
1280 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1281 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1282 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1283 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1284 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1285 const_iv (FIEMAP_EXTENT_MERGED)
1286 const_iv (FIEMAP_EXTENT_SHARED)
1287
1288 const_iv (SPLICE_F_MOVE)
1289 const_iv (SPLICE_F_NONBLOCK)
1290 const_iv (SPLICE_F_MORE)
1291 const_iv (SPLICE_F_GIFT)
1292
1293 const_iv (EFD_CLOEXEC)
1294 const_iv (EFD_NONBLOCK)
1295 const_iv (EFD_SEMAPHORE)
1296
1297 const_iv (MFD_CLOEXEC)
1298 const_iv (MFD_ALLOW_SEALING)
1299 const_iv (MFD_HUGETLB)
1300
1301 const_iv (CLOCK_REALTIME)
1302 const_iv (CLOCK_MONOTONIC)
1303 const_iv (CLOCK_BOOTTIME)
1304 const_iv (CLOCK_REALTIME_ALARM)
1305 const_iv (CLOCK_BOOTTIME_ALARM)
1306
1307 const_iv (TFD_NONBLOCK)
1308 const_iv (TFD_CLOEXEC)
1309
1310 const_iv (TFD_TIMER_ABSTIME)
1311 const_iv (TFD_TIMER_CANCEL_ON_SET)
1312
1313 const_iv (STATX_TYPE)
1314 const_iv (STATX_MODE)
1315 const_iv (STATX_NLINK)
1316 const_iv (STATX_UID)
1317 const_iv (STATX_GID)
1318 const_iv (STATX_ATIME)
1319 const_iv (STATX_MTIME)
1320 const_iv (STATX_CTIME)
1321 const_iv (STATX_INO)
1322 const_iv (STATX_SIZE)
1323 const_iv (STATX_BLOCKS)
1324 const_iv (STATX_BASIC_STATS)
1325 const_iv (STATX_ALL)
1326 const_iv (STATX_BTIME)
1327 const_iv (STATX_ATTR_COMPRESSED)
1328 const_iv (STATX_ATTR_IMMUTABLE)
1329 const_iv (STATX_ATTR_APPEND)
1330 const_iv (STATX_ATTR_NODUMP)
1331 const_iv (STATX_ATTR_ENCRYPTED)
1332 const_iv (STATX_ATTR_AUTOMOUNT)
1333
1334 /* these are libeio constants, and are independent of gendef0 */
1335 const_eio (SEEK_SET)
1336 const_eio (SEEK_CUR)
1337 const_eio (SEEK_END)
882 1338
883 const_eio (MCL_FUTURE) 1339 const_eio (MCL_FUTURE)
884 const_eio (MCL_CURRENT) 1340 const_eio (MCL_CURRENT)
1341 const_eio (MCL_ONFAULT)
885 1342
886 const_eio (MS_ASYNC) 1343 const_eio (MS_ASYNC)
887 const_eio (MS_INVALIDATE) 1344 const_eio (MS_INVALIDATE)
888 const_eio (MS_SYNC) 1345 const_eio (MS_SYNC)
889 1346
890 const_eio (MT_MODIFY) 1347 const_eio (MT_MODIFY)
891 1348
892 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1349 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
893 const_eio (SYNC_FILE_RANGE_WRITE) 1350 const_eio (SYNC_FILE_RANGE_WRITE)
894 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1351 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1352
1353 const_eio (FALLOC_FL_KEEP_SIZE)
1354 const_eio (FALLOC_FL_PUNCH_HOLE)
1355 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1356 const_eio (FALLOC_FL_ZERO_RANGE)
1357 const_eio (FALLOC_FL_INSERT_RANGE)
1358 const_eio (FALLOC_FL_UNSHARE_RANGE)
1359
1360 const_eio (RENAME_NOREPLACE)
1361 const_eio (RENAME_EXCHANGE)
1362 const_eio (RENAME_WHITEOUT)
895 1363
896 const_eio (READDIR_DENTS) 1364 const_eio (READDIR_DENTS)
897 const_eio (READDIR_DIRS_FIRST) 1365 const_eio (READDIR_DIRS_FIRST)
898 const_eio (READDIR_STAT_ORDER) 1366 const_eio (READDIR_STAT_ORDER)
899 const_eio (READDIR_FOUND_UNKNOWN) 1367 const_eio (READDIR_FOUND_UNKNOWN)
… …
910 }; 1378 };
911 1379
912 aio_stash = gv_stashpv ("IO::AIO" , 1); 1380 aio_stash = gv_stashpv ("IO::AIO" , 1);
913 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1381 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
914 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1382 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1383 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
915 1384
916 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1385 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
917 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1386 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
918 1387
919 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1388 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
920 1389
921 create_respipe (); 1390 /* allocate dummy pipe fd for aio_close */
1391 {
1392 int pipefd [2];
922 1393
923 if (eio_init (want_poll, done_poll) < 0) 1394 if (
924 croak ("IO::AIO: unable to initialise eio library"); 1395#ifdef _WIN32
1396 _pipe (pipefd, 1, _O_BINARY) < 0
1397#else
1398 pipe (pipefd) < 0
1399 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1400#endif
1401 || close (pipefd [1]) < 0
1402 )
1403 croak ("IO::AIO: unable to create dummy pipe for aio_close");
925 1404
926 /* atfork child called in fifo order, so before eio's handler */ 1405 close_fd = pipefd [0];
927 X_THREAD_ATFORK (0, 0, atfork_child); 1406 }
1407
1408 reinit ();
928} 1409}
1410
1411void
1412reinit ()
1413 PROTOTYPE:
929 1414
930void 1415void
931max_poll_reqs (unsigned int nreqs) 1416max_poll_reqs (unsigned int nreqs)
932 PROTOTYPE: $ 1417 PROTOTYPE: $
933 CODE: 1418 CODE:
… …
968 PROTOTYPE: $ 1453 PROTOTYPE: $
969 CODE: 1454 CODE:
970 max_outstanding = maxreqs; 1455 max_outstanding = maxreqs;
971 1456
972void 1457void
973aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1458aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
974 PPCODE: 1459 PPCODE:
975{ 1460{
976 dREQ; 1461 dREQ;
977 1462
1463 req->type = EIO_WD_OPEN;
1464 req_set_path1 (req, pathname);
1465
1466 REQ_SEND;
1467}
1468
1469void
1470aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1471 PPCODE:
1472{
1473 dREQ;
1474
978 req->type = EIO_OPEN; 1475 req->type = EIO_OPEN;
979 req->sv1 = newSVsv (pathname); 1476 req_set_path1 (req, pathname);
980 req->ptr1 = SvPVbyte_nolen (req->sv1);
981 req->int1 = flags; 1477 req->int1 = flags;
982 req->int2 = mode; 1478 req->int2 = mode;
983 1479
984 REQ_SEND; 1480 REQ_SEND;
985} 1481}
986 1482
987void 1483void
988aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1484aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
989 ALIAS: 1485 ALIAS:
990 aio_fsync = EIO_FSYNC 1486 aio_fsync = EIO_FSYNC
991 aio_fdatasync = EIO_FDATASYNC 1487 aio_fdatasync = EIO_FDATASYNC
1488 aio_syncfs = EIO_SYNCFS
992 PPCODE: 1489 PPCODE:
993{ 1490{
994 int fd = s_fileno_croak (fh, 0); 1491 int fd = s_fileno_croak (fh, 0);
995 dREQ; 1492 dREQ;
996 1493
997 req->type = ix; 1494 req->type = ix;
998 req->sv1 = newSVsv (fh); 1495 req->sv1 = newSVsv (fh);
999 req->int1 = fd; 1496 req->int1 = fd;
1000 1497
1001 REQ_SEND (req); 1498 REQ_SEND;
1002} 1499}
1003 1500
1004void 1501void
1005aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1502aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1006 PPCODE: 1503 PPCODE:
1007{ 1504{
1008 int fd = s_fileno_croak (fh, 0); 1505 int fd = s_fileno_croak (fh, 0);
1009 dREQ; 1506 dREQ;
1010 1507
1011 req->type = EIO_SYNC_FILE_RANGE; 1508 req->type = EIO_SYNC_FILE_RANGE;
1012 req->sv1 = newSVsv (fh); 1509 req->sv1 = newSVsv (fh);
1013 req->int1 = fd; 1510 req->int1 = fd;
1014 req->offs = offset; 1511 req->offs = offset;
1015 req->size = nbytes; 1512 req->size = nbytes;
1016 req->int2 = flags; 1513 req->int2 = flags;
1017 1514
1018 REQ_SEND (req); 1515 REQ_SEND;
1019} 1516}
1020 1517
1021void 1518void
1022aio_close (SV *fh, SV *callback=&PL_sv_undef) 1519aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1023 PPCODE: 1520 PPCODE:
1024{ 1521{
1025 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1026 int fd = s_fileno_croak (fh, 0); 1522 int fd = s_fileno_croak (fh, 0);
1027 dREQ; 1523 dREQ;
1028 1524
1029 if (close_pipe < 0) 1525 req->type = EIO_FALLOCATE;
1526 req->sv1 = newSVsv (fh);
1527 req->int1 = fd;
1528 req->int2 = mode;
1529 req->offs = offset;
1530 req->size = len;
1531
1532 REQ_SEND;
1533}
1534
1535void
1536aio_close (SV *fh, SV *callback = &PL_sv_undef)
1537 PPCODE:
1538{
1539 int fd = s_fileno_croak (fh, 0);
1540 dREQ;
1541#if 0
1542 /* partially duplicate logic in s_fileno */
1543 SvGETMAGIC (fh);
1544
1545 if (SvROK (fh))
1546 {
1547 fh = SvRV (fh);
1548 SvGETMAGIC (fh);
1549 }
1550
1551 if (SvTYPE (fh) == SVt_PVGV)
1030 { 1552 {
1031 int pipefd [2]; 1553 /* perl filehandle */
1554 PerlIOUnix_refcnt_inc (fd);
1555 do_close ((GV *)fh, 1);
1032 1556
1033 if (pipe (pipefd) < 0 1557 req->type = EIO_CLOSE;
1034 || close (pipefd [1]) < 0 1558 req->int1 = fd;
1035 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1559 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1036 abort (); /*D*/
1037
1038 close_pipe = pipefd [0];
1039 } 1560 }
1040 1561 else
1562#endif
1563 {
1564 /* fd number */
1041 req->type = EIO_DUP2; 1565 req->type = EIO_DUP2;
1042 req->int1 = close_pipe; 1566 req->int1 = close_fd;
1567 req->sv2 = newSVsv (fh);
1568 req->int2 = fd;
1569 }
1570
1571 REQ_SEND;
1572}
1573
1574void
1575aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1576 PPCODE:
1577{
1578 int fd = s_fileno_croak (fh, 0);
1579 dREQ;
1580
1581 req->type = EIO_SEEK;
1043 req->sv2 = newSVsv (fh); 1582 req->sv1 = newSVsv (fh);
1044 req->int2 = fd; 1583 req->int1 = fd;
1584 req->offs = SvVAL64 (offset);
1585 req->int2 = whence;
1045 1586
1046 REQ_SEND (req); 1587 REQ_SEND;
1047} 1588}
1048 1589
1049void 1590void
1050aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1591aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1051 ALIAS: 1592 ALIAS:
1052 aio_read = EIO_READ 1593 aio_read = EIO_READ
1053 aio_write = EIO_WRITE 1594 aio_write = EIO_WRITE
1054 PPCODE: 1595 PPCODE:
1055{ 1596{
… …
1071 len = svlen - dataoffset; 1612 len = svlen - dataoffset;
1072 } 1613 }
1073 else 1614 else
1074 { 1615 {
1075 /* read: check type and grow scalar as necessary */ 1616 /* read: check type and grow scalar as necessary */
1076 SvUPGRADE (data, SVt_PV); 1617 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1077 svptr = SvGROW (data, len + dataoffset + 1); 1618 svptr = sv_grow (data, len + dataoffset + 1);
1619 else if (SvCUR (data) < len + dataoffset)
1620 croak ("length + dataoffset outside of scalar, and cannot grow");
1078 } 1621 }
1079 1622
1080 { 1623 {
1081 dREQ; 1624 dREQ;
1082 1625
… …
1098 REQ_SEND; 1641 REQ_SEND;
1099 } 1642 }
1100} 1643}
1101 1644
1102void 1645void
1646aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1647 ALIAS:
1648 aio_ioctl = EIO_IOCTL
1649 aio_fcntl = EIO_FCNTL
1650 PPCODE:
1651{
1652 int fd = s_fileno_croak (fh, 0);
1653 char *svptr;
1654
1655 if (SvPOK (arg) || !SvNIOK (arg))
1656 {
1657 STRLEN svlen;
1658 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1659#ifdef IOCPARM_LEN
1660 STRLEN need = IOCPARM_LEN (request);
1661#else
1662 STRLEN need = 256;
1663#endif
1664
1665 if (svlen < need)
1666 svptr = SvGROW (arg, need);
1667 }
1668 else
1669 svptr = (char *)SvIV (arg);
1670
1671 {
1672 dREQ;
1673
1674 req->type = ix;
1675 req->sv1 = newSVsv (fh);
1676 req->int1 = fd;
1677 req->int2 = (long)request;
1678 req->sv2 = SvREFCNT_inc (arg);
1679 req->ptr2 = svptr;
1680
1681 REQ_SEND;
1682 }
1683}
1684
1685void
1103aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1686aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1104 ALIAS: 1687 ALIAS:
1105 aio_readlink = EIO_READLINK 1688 aio_readlink = EIO_READLINK
1106 aio_realpath = EIO_REALPATH 1689 aio_realpath = EIO_REALPATH
1107 PPCODE: 1690 PPCODE:
1108{ 1691{
1109 SV *data;
1110 dREQ; 1692 dREQ;
1111 1693
1112 req->type = ix; 1694 req->type = ix;
1113 req->sv1 = newSVsv (path); 1695 req_set_path1 (req, pathname);
1114 req->ptr1 = SvPVbyte_nolen (req->sv1);
1115 1696
1116 REQ_SEND; 1697 REQ_SEND;
1117} 1698}
1118 1699
1119void 1700void
1120aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1701aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1121 PPCODE: 1702 PPCODE:
1122{ 1703{
1123 int ifd = s_fileno_croak (in_fh , 0); 1704 int ifd = s_fileno_croak (in_fh , 0);
1124 int ofd = s_fileno_croak (out_fh, 1); 1705 int ofd = s_fileno_croak (out_fh, 1);
1125 dREQ; 1706 dREQ;
1126 1707
1127 req->type = EIO_SENDFILE; 1708 req->type = EIO_SENDFILE;
1128 req->sv1 = newSVsv (out_fh); 1709 req->sv1 = newSVsv (out_fh);
1129 req->int1 = ofd; 1710 req->int1 = ofd;
… …
1134 1715
1135 REQ_SEND; 1716 REQ_SEND;
1136} 1717}
1137 1718
1138void 1719void
1139aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1720aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1140 PPCODE: 1721 PPCODE:
1141{ 1722{
1142 int fd = s_fileno_croak (fh, 0); 1723 int fd = s_fileno_croak (fh, 0);
1143 dREQ; 1724 dREQ;
1144 1725
1145 req->type = EIO_READAHEAD; 1726 req->type = EIO_READAHEAD;
1146 req->sv1 = newSVsv (fh); 1727 req->sv1 = newSVsv (fh);
1147 req->int1 = fd; 1728 req->int1 = fd;
… …
1150 1731
1151 REQ_SEND; 1732 REQ_SEND;
1152} 1733}
1153 1734
1154void 1735void
1155aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1736aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1156 ALIAS: 1737 ALIAS:
1157 aio_stat = EIO_STAT 1738 aio_stat = EIO_STAT
1158 aio_lstat = EIO_LSTAT 1739 aio_lstat = EIO_LSTAT
1159 aio_statvfs = EIO_STATVFS 1740 aio_statvfs = EIO_STATVFS
1160 PPCODE: 1741 PPCODE:
1161{ 1742{
1162 dREQ; 1743 dREQ;
1163 1744
1164 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1165
1166 if (SvPOK (req->sv1))
1167 {
1168 req->type = ix;
1169 req->ptr1 = SvPVbyte_nolen (req->sv1);
1170 }
1171 else
1172 {
1173 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1174 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1175 }
1176 1746
1177 REQ_SEND; 1747 REQ_SEND;
1178} 1748}
1749
1750void
1751st_xtime ()
1752 ALIAS:
1753 st_atime = 0x01
1754 st_mtime = 0x02
1755 st_ctime = 0x04
1756 st_btime = 0x08
1757 st_xtime = 0x0f
1758 PPCODE:
1759 EXTEND (SP, 4);
1760 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1761 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1762 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1763 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1764
1765void
1766st_xtimensec ()
1767 ALIAS:
1768 st_atimensec = 0x01
1769 st_mtimensec = 0x02
1770 st_ctimensec = 0x04
1771 st_btimensec = 0x08
1772 st_xtimensec = 0x0f
1773 st_btimesec = 0x10
1774 st_gen = 0x20
1775 PPCODE:
1776 EXTEND (SP, 4);
1777 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1778 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1779 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1780 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1781 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1782 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1179 1783
1180UV 1784UV
1181major (UV dev) 1785major (UV dev)
1182 ALIAS: 1786 ALIAS:
1183 minor = 1 1787 minor = 1
1184 CODE: 1788 CODE:
1185 RETVAL = ix ? major (dev) : minor (dev); 1789 RETVAL = ix ? minor (dev) : major (dev);
1186 OUTPUT: 1790 OUTPUT:
1187 RETVAL 1791 RETVAL
1188 1792
1189UV 1793UV
1190makedev (UV maj, UV min) 1794makedev (UV maj, UV min)
… …
1192 RETVAL = makedev (maj, min); 1796 RETVAL = makedev (maj, min);
1193 OUTPUT: 1797 OUTPUT:
1194 RETVAL 1798 RETVAL
1195 1799
1196void 1800void
1197aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1801aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1198 PPCODE: 1802 PPCODE:
1199{ 1803{
1200 dREQ; 1804 dREQ;
1201 1805
1202 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1806 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1203 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1807 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1204 req->sv1 = newSVsv (fh_or_path); 1808 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1205
1206 if (SvPOK (req->sv1))
1207 {
1208 req->type = EIO_UTIME;
1209 req->ptr1 = SvPVbyte_nolen (req->sv1);
1210 }
1211 else
1212 {
1213 req->type = EIO_FUTIME;
1214 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1215 }
1216 1809
1217 REQ_SEND; 1810 REQ_SEND;
1218} 1811}
1219 1812
1220void 1813void
1221aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1814aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1222 PPCODE: 1815 PPCODE:
1223{ 1816{
1224 dREQ; 1817 dREQ;
1225 1818
1226 req->sv1 = newSVsv (fh_or_path);
1227 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1819 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1228 1820 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1229 if (SvPOK (req->sv1))
1230 {
1231 req->type = EIO_TRUNCATE;
1232 req->ptr1 = SvPVbyte_nolen (req->sv1);
1233 }
1234 else
1235 {
1236 req->type = EIO_FTRUNCATE;
1237 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1238 }
1239 1821
1240 REQ_SEND; 1822 REQ_SEND;
1241} 1823}
1242 1824
1243void 1825void
1244aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1826aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1245 ALIAS:
1246 aio_chmod = EIO_CHMOD
1247 aio_mkdir = EIO_MKDIR
1248 PPCODE: 1827 PPCODE:
1249{ 1828{
1250 dREQ; 1829 dREQ;
1251 1830
1252 req->int2 = mode; 1831 req->int2 = mode;
1253 req->sv1 = newSVsv (fh_or_path); 1832 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1254
1255 if (SvPOK (req->sv1))
1256 {
1257 req->type = ix;
1258 req->ptr1 = SvPVbyte_nolen (req->sv1);
1259 }
1260 else
1261 {
1262 req->type = EIO_FCHMOD;
1263 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1264 }
1265 1833
1266 REQ_SEND; 1834 REQ_SEND;
1267} 1835}
1268 1836
1269void 1837void
1270aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1838aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1271 PPCODE: 1839 PPCODE:
1272{ 1840{
1273 dREQ; 1841 dREQ;
1274 1842
1275 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1843 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1276 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1844 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1277 req->sv1 = newSVsv (fh_or_path); 1845 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1278
1279 if (SvPOK (req->sv1))
1280 {
1281 req->type = EIO_CHOWN;
1282 req->ptr1 = SvPVbyte_nolen (req->sv1);
1283 }
1284 else
1285 {
1286 req->type = EIO_FCHOWN;
1287 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1288 }
1289 1846
1290 REQ_SEND; 1847 REQ_SEND;
1291} 1848}
1292 1849
1293void 1850void
1294aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1851aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1295 PPCODE: 1852 PPCODE:
1296{ 1853{
1297 dREQ; 1854 dREQ;
1298 1855
1299 req->type = EIO_READDIR; 1856 req->type = EIO_READDIR;
1300 req->sv1 = newSVsv (pathname);
1301 req->ptr1 = SvPVbyte_nolen (req->sv1);
1302 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1857 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1303 1858
1304 if (flags & EIO_READDIR_DENTS) 1859 if (flags & EIO_READDIR_DENTS)
1305 req->int1 |= EIO_READDIR_CUSTOM2; 1860 req->int1 |= EIO_READDIR_CUSTOM2;
1306 1861
1862 req_set_path1 (req, pathname);
1863
1307 REQ_SEND; 1864 REQ_SEND;
1308} 1865}
1309 1866
1310void 1867void
1868aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1869 PPCODE:
1870{
1871 dREQ;
1872
1873 req->type = EIO_MKDIR;
1874 req->int2 = mode;
1875 req_set_path1 (req, pathname);
1876
1877 REQ_SEND;
1878}
1879
1880void
1311aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1881aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1312 ALIAS: 1882 ALIAS:
1313 aio_unlink = EIO_UNLINK 1883 aio_unlink = EIO_UNLINK
1314 aio_rmdir = EIO_RMDIR 1884 aio_rmdir = EIO_RMDIR
1315 aio_readdir = EIO_READDIR 1885 aio_readdir = EIO_READDIR
1316 PPCODE: 1886 PPCODE:
1317{ 1887{
1318 dREQ; 1888 dREQ;
1319 1889
1320 req->type = ix; 1890 req->type = ix;
1321 req->sv1 = newSVsv (pathname); 1891 req_set_path1 (req, pathname);
1322 req->ptr1 = SvPVbyte_nolen (req->sv1);
1323 1892
1324 REQ_SEND; 1893 REQ_SEND;
1325} 1894}
1326 1895
1327void 1896void
1328aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1897aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1329 ALIAS: 1898 ALIAS:
1330 aio_link = EIO_LINK 1899 aio_link = EIO_LINK
1331 aio_symlink = EIO_SYMLINK 1900 aio_symlink = EIO_SYMLINK
1332 aio_rename = EIO_RENAME 1901 aio_rename = EIO_RENAME
1333 PPCODE: 1902 PPCODE:
1334{ 1903{
1904 eio_wd wd2 = 0;
1335 dREQ; 1905 dREQ;
1336 1906
1337 req->type = ix; 1907 req->type = ix;
1338 req->sv1 = newSVsv (oldpath); 1908 req_set_path1 (req, oldpath);
1339 req->ptr1 = SvPVbyte_nolen (req->sv1); 1909 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1340 req->sv2 = newSVsv (newpath); 1910 req->int3 = (long)wd2;
1341 req->ptr2 = SvPVbyte_nolen (req->sv2);
1342 1911
1343 REQ_SEND; 1912 REQ_SEND;
1344} 1913}
1345 1914
1346void 1915void
1916aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1917 PPCODE:
1918{
1919 eio_wd wd2 = 0;
1920 dREQ;
1921
1922 req->type = EIO_RENAME;
1923 req_set_path1 (req, oldpath);
1924 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1925 req->int2 = flags;
1926 req->int3 = (long)wd2;
1927
1928 REQ_SEND;
1929}
1930
1931void
1347aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1932aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1348 PPCODE: 1933 PPCODE:
1349{ 1934{
1350 dREQ; 1935 dREQ;
1351 1936
1352 req->type = EIO_MKNOD; 1937 req->type = EIO_MKNOD;
1353 req->sv1 = newSVsv (pathname);
1354 req->ptr1 = SvPVbyte_nolen (req->sv1);
1355 req->int2 = (mode_t)mode; 1938 req->int2 = (mode_t)mode;
1356 req->offs = dev; 1939 req->offs = dev;
1940 req_set_path1 (req, pathname);
1357 1941
1358 REQ_SEND; 1942 REQ_SEND;
1359} 1943}
1360 1944
1361void 1945void
1362aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1946aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1363 ALIAS: 1947 ALIAS:
1364 aio_mtouch = EIO_MTOUCH 1948 aio_mtouch = EIO_MTOUCH
1365 aio_msync = EIO_MSYNC 1949 aio_msync = EIO_MSYNC
1366 PPCODE: 1950 PPCODE:
1367{ 1951{
1368 STRLEN svlen; 1952 STRLEN svlen;
1369 char *svptr = SvPVbyte (data, svlen); 1953 char *svptr = SvPVbyte (data, svlen);
1370 UV len = SvUV (length); 1954 UV len = SvUV (length);
1955
1956 if (flags < 0)
1957 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1371 1958
1372 if (offset < 0) 1959 if (offset < 0)
1373 offset += svlen; 1960 offset += svlen;
1374 1961
1375 if (offset < 0 || offset > svlen) 1962 if (offset < 0 || offset > svlen)
… …
1390 REQ_SEND; 1977 REQ_SEND;
1391 } 1978 }
1392} 1979}
1393 1980
1394void 1981void
1395aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1982aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1396 PPCODE: 1983 PPCODE:
1397{ 1984{
1398 STRLEN svlen; 1985 STRLEN svlen;
1399 char *svptr = SvPVbyte (data, svlen); 1986 char *svptr = SvPVbyte (data, svlen);
1400 UV len = SvUV (length); 1987 UV len = SvUV (length);
… …
1419 REQ_SEND; 2006 REQ_SEND;
1420 } 2007 }
1421} 2008}
1422 2009
1423void 2010void
1424aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2011aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1425 PPCODE: 2012 PPCODE:
1426{ 2013{
1427 dREQ; 2014 dREQ;
1428 2015
1429 req->type = EIO_MLOCKALL; 2016 req->type = EIO_MLOCKALL;
… …
1431 2018
1432 REQ_SEND; 2019 REQ_SEND;
1433} 2020}
1434 2021
1435void 2022void
2023aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2024 PPCODE:
2025{
2026 int fd = s_fileno_croak (fh, 0);
2027 dREQ;
2028
2029 req->type = EIO_CUSTOM;
2030 req->sv1 = newSVsv (fh);
2031 req->int1 = fd;
2032
2033 req->feed = fiemap;
2034#if HAVE_FIEMAP
2035 /* keep our fingers crossed that the next two types are 64 bit */
2036 req->offs = start;
2037 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2038 req->int2 = flags;
2039 req->int3 = SvOK (count) ? SvIV (count) : -1;
2040#endif
2041
2042 REQ_SEND;
2043}
2044
2045void
2046aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2047 PPCODE:
2048{
2049 char *svptr = 0;
2050
2051 sv_clear_foreign (data);
2052
2053 if (length) /* known length, directly read into scalar */
2054 {
2055 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2056 svptr = sv_grow (data, length + 1);
2057 else if (SvCUR (data) < length)
2058 croak ("length outside of scalar, and cannot grow");
2059 else
2060 svptr = SvPVbyte_nolen (data);
2061 }
2062
2063 {
2064 dREQ;
2065
2066 req->type = EIO_SLURP;
2067 req_set_path1 (req, pathname);
2068 req->offs = offset;
2069 req->size = length;
2070 req->sv2 = SvREFCNT_inc (data);
2071 req->ptr2 = svptr;
2072
2073 if (!SvREADONLY (data))
2074 {
2075 SvREADONLY_on (data);
2076 req->flags |= FLAG_SV2_RO_OFF;
2077 }
2078
2079 REQ_SEND;
2080 }
2081}
2082
2083void
1436aio_busy (double delay, SV *callback=&PL_sv_undef) 2084aio_busy (double delay, SV *callback = &PL_sv_undef)
1437 PPCODE: 2085 PPCODE:
1438{ 2086{
1439 dREQ; 2087 dREQ;
1440 2088
1441 req->type = EIO_BUSY; 2089 req->type = EIO_BUSY;
… …
1443 2091
1444 REQ_SEND; 2092 REQ_SEND;
1445} 2093}
1446 2094
1447void 2095void
1448aio_group (SV *callback=&PL_sv_undef) 2096aio_group (SV *callback = &PL_sv_undef)
1449 PPCODE: 2097 PPCODE:
1450{ 2098{
1451 dREQ; 2099 dREQ;
1452 2100
1453 req->type = EIO_GROUP; 2101 req->type = EIO_GROUP;
1454 2102
2103 PUTBACK;
1455 req_submit (req); 2104 req_submit (req);
2105 SPAGAIN;
2106
1456 XPUSHs (req_sv (req, aio_grp_stash)); 2107 XPUSHs (req_sv (req, aio_grp_stash));
1457} 2108}
1458 2109
1459void 2110void
1460aio_nop (SV *callback=&PL_sv_undef) 2111aio_nop (SV *callback = &PL_sv_undef)
1461 ALIAS: 2112 ALIAS:
1462 aio_nop = EIO_NOP 2113 aio_nop = EIO_NOP
1463 aio_sync = EIO_SYNC 2114 aio_sync = EIO_SYNC
1464 PPCODE: 2115 PPCODE:
1465{ 2116{
… …
1469 2120
1470 REQ_SEND; 2121 REQ_SEND;
1471} 2122}
1472 2123
1473int 2124int
1474aioreq_pri (int pri = 0) 2125aioreq_pri (int pri = NO_INIT)
1475 CODE: 2126 CODE:
1476 RETVAL = next_pri; 2127 RETVAL = next_pri;
1477 if (items > 0) 2128 if (items > 0)
1478 { 2129 {
1479 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2130 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1561 CODE: 2212 CODE:
1562 RETVAL = posix_fadvise (fh, offset, length, advice); 2213 RETVAL = posix_fadvise (fh, offset, length, advice);
1563 OUTPUT: 2214 OUTPUT:
1564 RETVAL 2215 RETVAL
1565 2216
1566ssize_t 2217IV
1567sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2218sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1568 CODE: 2219 CODE:
1569 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2220 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1570 OUTPUT: 2221 OUTPUT:
1571 RETVAL 2222 RETVAL
1572 2223
1573void 2224void
1574mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2225mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1575 PPCODE: 2226 PPCODE:
1576 sv_unmagic (scalar, MMAP_MAGIC); 2227 sv_clear_foreign (scalar);
1577{ 2228{
1578 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2229 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1579 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2230 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1580 if (addr == (void *)-1) 2231 if (addr == (void *)-1)
1581 XSRETURN_NO; 2232 XSRETURN_NO;
1582 2233
1583 sv_force_normal (scalar); 2234 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1584
1585 /* we store the length in mg_obj, as namlen is I32 :/ */
1586 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1587 ->mg_obj = (SV *)length;
1588
1589 SvUPGRADE (scalar, SVt_PV); /* nop... */
1590 2235
1591 if (!(prot & PROT_WRITE)) 2236 if (!(prot & PROT_WRITE))
1592 SvREADONLY_on (scalar); 2237 SvREADONLY_on (scalar);
1593 2238
1594 if (SvLEN (scalar))
1595 Safefree (SvPVX (scalar));
1596
1597 SvPVX (scalar) = (char *)addr;
1598 SvCUR_set (scalar, length);
1599 SvLEN_set (scalar, 0);
1600 SvPOK_only (scalar);
1601
1602 XSRETURN_YES; 2239 XSRETURN_YES;
1603} 2240}
1604 2241
1605void 2242void
1606munmap (SV *scalar) 2243munmap (SV *scalar)
1607 CODE: 2244 CODE:
1608 sv_unmagic (scalar, MMAP_MAGIC); 2245 sv_clear_foreign (scalar);
2246
2247SV *
2248mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2249 CODE:
2250{
2251 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2252 void *new;
2253
2254 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2255 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2256
2257 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2258
2259 RETVAL = &PL_sv_no;
2260
2261 if (new != (void *)-1)
2262 {
2263 RETVAL = new == (void *)mg->mg_ptr
2264 ? newSVpvn ("0 but true", 10)
2265 : &PL_sv_yes;
2266
2267 mg->mg_ptr = (char *)new;
2268 mg->mg_obj = (SV *)new_length;
2269
2270 SvPVX (scalar) = mg->mg_ptr;
2271 SvCUR_set (scalar, new_length);
2272 }
2273}
2274 OUTPUT:
2275 RETVAL
1609 2276
1610int 2277int
1611madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2278madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1612 ALIAS: 2279 ALIAS:
1613 mprotect = 1 2280 mprotect = 1
1614 CODE: 2281 CODE:
1615{ 2282{
1616 STRLEN svlen; 2283 STRLEN svlen;
1617 void *addr = SvPVbyte (scalar, svlen); 2284 void *addr = SvPVbyte (scalar, svlen);
1618 size_t len = SvUV (length); 2285 STRLEN len = SvUV (length);
1619 2286
1620 if (offset < 0) 2287 if (offset < 0)
1621 offset += svlen; 2288 offset += svlen;
1622 2289
1623 if (offset < 0 || offset > svlen) 2290 if (offset < 0 || offset > svlen)
… …
1637} 2304}
1638 OUTPUT: 2305 OUTPUT:
1639 RETVAL 2306 RETVAL
1640 2307
1641int 2308int
1642munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2309munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1643 CODE: 2310 CODE:
1644{ 2311{
1645 STRLEN svlen; 2312 STRLEN svlen;
1646 void *addr = SvPVbyte (scalar, svlen); 2313 void *addr = SvPVbyte (scalar, svlen);
1647 size_t len = SvUV (length); 2314 size_t len = SvUV (length);
1648 2315
1649 if (offset < 0) 2316 if (offset < 0)
1650 offset += svlen; 2317 offset += svlen;
1651 2318
… …
1658 addr = (void *)(((intptr_t)addr) + offset); 2325 addr = (void *)(((intptr_t)addr) + offset);
1659 eio_page_align (&addr, &len); 2326 eio_page_align (&addr, &len);
1660#if _POSIX_MEMLOCK_RANGE 2327#if _POSIX_MEMLOCK_RANGE
1661 RETVAL = munlock (addr, len); 2328 RETVAL = munlock (addr, len);
1662#else 2329#else
1663 RETVAL = ((errno = ENOSYS), -1); 2330 RETVAL = EIO_ENOSYS ();
1664#endif 2331#endif
1665} 2332}
1666 OUTPUT: 2333 OUTPUT:
2334 RETVAL
2335
2336int
2337mlockall (int flags)
2338 PROTOTYPE: $;
2339 CODE:
2340 RETVAL = eio_mlockall_sync (flags);
2341 OUTPUT:
1667 RETVAL 2342 RETVAL
1668 2343
1669int 2344int
1670munlockall () 2345munlockall ()
1671 CODE: 2346 CODE:
1672#if _POSIX_MEMLOCK 2347#if _POSIX_MEMLOCK
1673 munlockall (); 2348 munlockall ();
1674#else 2349#else
1675 RETVAL = -1; 2350 RETVAL = EIO_ENOSYS ();
1676 errno = ENOSYS;
1677#endif 2351#endif
1678 OUTPUT: 2352 OUTPUT:
1679 RETVAL 2353 RETVAL
2354
2355int
2356statx (SV8 *pathname, int flags, UV mask)
2357 CODE:
2358{
2359 /* undocumented, and might go away, and anyway, should use eio_statx */
2360 SV *wdsv = 0;
2361 SV *pathsv = 0;
2362 eio_wd wd = EIO_CWD;
2363 void *ptr;
2364 int res;
2365
2366 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2367 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2368
2369 SvREFCNT_dec (pathsv);
2370 SvREFCNT_dec (wdsv);
2371}
2372 OUTPUT:
2373 RETVAL
2374
2375U32
2376stx_mode ()
2377 PROTOTYPE:
2378 CODE:
2379#if HAVE_STATX
2380 RETVAL = stx.stx_mode;
2381#else
2382 XSRETURN_UNDEF;
2383#endif
2384 OUTPUT:
2385 RETVAL
2386
2387#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2388#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2389#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2390#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2391#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2392#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2393#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2394#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2395#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2396#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2397#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2398#define STATX_OFFSET_size statx_offsetof (stx_size)
2399#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2400#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2401#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2402#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2403#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2404#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2405
2406U32
2407stx_mask ()
2408 PROTOTYPE:
2409 ALIAS:
2410 stx_mask = STATX_OFFSET_mask
2411 stx_blksize = STATX_OFFSET_blksize
2412 stx_nlink = STATX_OFFSET_nlink
2413 stx_uid = STATX_OFFSET_uid
2414 stx_gid = STATX_OFFSET_gid
2415 stx_rdev_major = STATX_OFFSET_rdev_major
2416 stx_rdev_minor = STATX_OFFSET_rdev_minor
2417 stx_dev_major = STATX_OFFSET_dev_major
2418 stx_dev_minor = STATX_OFFSET_dev_minor
2419 CODE:
2420#if HAVE_STATX
2421 RETVAL = *(__u32 *)((char *)&stx + ix);
2422#else
2423 XSRETURN_UNDEF;
2424#endif
2425 OUTPUT:
2426 RETVAL
2427
2428VAL64
2429stx_attributes ()
2430 PROTOTYPE:
2431 ALIAS:
2432 stx_attributes = STATX_OFFSET_attributes
2433 stx_ino = STATX_OFFSET_ino
2434 stx_size = STATX_OFFSET_size
2435 stx_blocks = STATX_OFFSET_blocks
2436 stx_attributes_mask = STATX_OFFSET_attributes_mask
2437 CODE:
2438#if HAVE_STATX
2439 RETVAL = *(__u64 *)((char *)&stx + ix);
2440#else
2441 XSRETURN_UNDEF;
2442#endif
2443 OUTPUT:
2444 RETVAL
2445
2446NV
2447stx_atime ()
2448 PROTOTYPE:
2449 ALIAS:
2450 stx_atime = STATX_OFFSET_atime
2451 stx_btime = STATX_OFFSET_btime
2452 stx_ctime = STATX_OFFSET_ctime
2453 stx_mtime = STATX_OFFSET_mtime
2454 CODE:
2455#if HAVE_STATX
2456 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2457 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2458#else
2459 XSRETURN_UNDEF;
2460#endif
2461 OUTPUT:
2462 RETVAL
2463
2464VAL64
2465stx_atimesec ()
2466 PROTOTYPE:
2467 ALIAS:
2468 stx_atimesec = STATX_OFFSET_atime
2469 stx_btimesec = STATX_OFFSET_btime
2470 stx_ctimesec = STATX_OFFSET_ctime
2471 stx_mtimesec = STATX_OFFSET_mtime
2472 CODE:
2473#if HAVE_STATX
2474 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2475 RETVAL = ts->tv_sec;
2476#else
2477 XSRETURN_UNDEF;
2478#endif
2479 OUTPUT:
2480 RETVAL
2481
2482U32
2483stx_atimensec ()
2484 PROTOTYPE:
2485 ALIAS:
2486 stx_atimensec = STATX_OFFSET_atime
2487 stx_btimensec = STATX_OFFSET_btime
2488 stx_ctimensec = STATX_OFFSET_ctime
2489 stx_mtimensec = STATX_OFFSET_mtime
2490 CODE:
2491#if HAVE_STATX
2492 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2493 RETVAL = ts->tv_nsec;
2494#else
2495 RETVAL = 0;
2496#endif
2497 OUTPUT:
2498 RETVAL
2499
2500void
2501accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2502 PPCODE:
2503{
2504 SV *retval;
2505#if HAVE_ACCEPT4
2506 socklen_t salen_ = salen ? salen + 1 : 0;
2507
2508 if (salen)
2509 {
2510 sv_upgrade (sockaddr, SVt_PV);
2511 sv_grow (sockaddr, salen_);
2512 }
2513
2514 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2515
2516 retval = newmortalFH (res, O_RDWR);
2517
2518 if (res >= 0 && salen > 0)
2519 {
2520 if (salen_ > salen + 1)
2521 salen_ = salen + 1;
2522
2523 SvPOK_only (sockaddr);
2524 SvCUR_set (sockaddr, salen_);
2525 }
2526#else
2527 errno = ENOSYS;
2528 retval = &PL_sv_undef;
2529#endif
2530 XPUSHs (retval);
2531}
2532
2533ssize_t
2534splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2535 CODE:
2536{
2537#if HAVE_LINUX_SPLICE
2538 loff_t off_in_, off_out_;
2539 RETVAL = splice (
2540 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2541 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2542 length, flags
2543 );
2544#else
2545 RETVAL = EIO_ENOSYS ();
2546#endif
2547}
2548 OUTPUT:
2549 RETVAL
2550
2551ssize_t
2552tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2553 CODE:
2554#if HAVE_LINUX_SPLICE
2555 RETVAL = tee (rfh, wfh, length, flags);
2556#else
2557 RETVAL = EIO_ENOSYS ();
2558#endif
2559 OUTPUT:
2560 RETVAL
2561
2562int
2563pipesize (aio_rfd rfh, int new_size = -1)
2564 PROTOTYPE: $;$
2565 CODE:
2566#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2567 if (new_size >= 0)
2568 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2569 else
2570 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2571#else
2572 errno = ENOSYS;
2573 RETVAL = -1;
2574#endif
2575 OUTPUT:
2576 RETVAL
2577
2578void
2579pipe2 (int flags = 0)
2580 PROTOTYPE: ;$
2581 PPCODE:
2582{
2583 int fd[2];
2584 int res;
2585
2586 if (flags)
2587#if HAVE_PIPE2
2588 res = pipe2 (fd, flags);
2589#else
2590 res = (errno = ENOSYS, -1);
2591#endif
2592 else
2593 res = pipe (fd);
2594
2595 if (!res)
2596 {
2597 EXTEND (SP, 2);
2598 PUSHs (newmortalFH (fd[0], O_RDONLY));
2599 PUSHs (newmortalFH (fd[1], O_WRONLY));
2600 }
2601}
2602
2603void
2604eventfd (unsigned int initval = 0, int flags = 0)
2605 PPCODE:
2606{
2607 int fd;
2608#if HAVE_EVENTFD
2609 fd = eventfd (initval, flags);
2610#else
2611 fd = (errno = ENOSYS, -1);
2612#endif
2613
2614 XPUSHs (newmortalFH (fd, O_RDWR));
2615}
2616
2617void
2618timerfd_create (int clockid, int flags = 0)
2619 PPCODE:
2620{
2621 int fd;
2622#if HAVE_TIMERFD
2623 fd = timerfd_create (clockid, flags);
2624#else
2625 fd = (errno = ENOSYS, -1);
2626#endif
2627
2628 XPUSHs (newmortalFH (fd, O_RDWR));
2629}
2630
2631void
2632timerfd_settime (SV *fh, int flags, NV interval, NV value)
2633 PPCODE:
2634{
2635 int fd = s_fileno_croak (fh, 0);
2636#if HAVE_TIMERFD
2637 int res;
2638 struct itimerspec its, ots;
2639
2640 ts_set (&its.it_interval, interval);
2641 ts_set (&its.it_value , value);
2642 res = timerfd_settime (fd, flags, &its, &ots);
2643
2644 if (!res)
2645 {
2646 EXTEND (SP, 2);
2647 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2648 PUSHs (newSVnv (ts_get (&ots.it_value)));
2649 }
2650#else
2651 errno = ENOSYS;
2652#endif
2653}
2654
2655void
2656timerfd_gettime (SV *fh)
2657 PPCODE:
2658{
2659 int fd = s_fileno_croak (fh, 0);
2660#if HAVE_TIMERFD
2661 int res;
2662 struct itimerspec ots;
2663 res = timerfd_gettime (fd, &ots);
2664
2665 if (!res)
2666 {
2667 EXTEND (SP, 2);
2668 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2669 PUSHs (newSVnv (ts_get (&ots.it_value)));
2670 }
2671#else
2672 errno = ENOSYS;
2673#endif
2674}
2675
2676void
2677memfd_create (SV8 *pathname, int flags = 0)
2678 PPCODE:
2679{
2680 int fd;
2681#if HAVE_MEMFD_CREATE
2682 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2683#else
2684 fd = (errno = ENOSYS, -1);
2685#endif
2686
2687 XPUSHs (newmortalFH (fd, O_RDWR));
2688}
2689
2690UV
2691get_fdlimit ()
2692 CODE:
2693#if HAVE_RLIMITS
2694 struct rlimit rl;
2695 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2696 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2697#endif
2698 XSRETURN_UNDEF;
2699 OUTPUT:
2700 RETVAL
2701
2702void
2703min_fdlimit (UV limit = 0x7fffffffU)
2704 CODE:
2705{
2706#if HAVE_RLIMITS
2707 struct rlimit rl;
2708 rlim_t orig_rlim_max;
2709 UV bit;
2710
2711 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2712 goto fail;
2713
2714 if (rl.rlim_cur == RLIM_INFINITY)
2715 XSRETURN_YES;
2716
2717 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2718
2719 if (rl.rlim_cur < limit)
2720 {
2721 rl.rlim_cur = limit;
2722
2723 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2724 rl.rlim_max = rl.rlim_cur;
2725 }
2726
2727 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2728 XSRETURN_YES;
2729
2730 if (errno == EPERM)
2731 {
2732 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2733 /* our limit overflows a system-wide limit */
2734 /* try an adaptive algorithm, but do not lower the hardlimit */
2735 rl.rlim_max = 0;
2736 for (bit = 0x40000000U; bit; bit >>= 1)
2737 {
2738 rl.rlim_max |= bit;
2739 rl.rlim_cur = rl.rlim_max;
2740
2741 /* never decrease the hard limit */
2742 if (rl.rlim_max < orig_rlim_max)
2743 break;
2744
2745 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2746 rl.rlim_max &= ~bit; /* too high, remove bit again */
2747 }
2748
2749 /* now, raise the soft limit to the max permitted */
2750 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2751 {
2752 rl.rlim_cur = rl.rlim_max;
2753 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2754 errno = EPERM;
2755 }
2756 }
2757#endif
2758 fail:
2759 XSRETURN_UNDEF;
2760}
1680 2761
1681void _on_next_submit (SV *cb) 2762void _on_next_submit (SV *cb)
1682 CODE: 2763 CODE:
1683 SvREFCNT_dec (on_next_submit); 2764 SvREFCNT_dec (on_next_submit);
1684 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2765 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1685 2766
1686PROTOTYPES: DISABLE 2767PROTOTYPES: DISABLE
1687 2768
2769MODULE = IO::AIO PACKAGE = IO::AIO::WD
2770
2771BOOT:
2772{
2773 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2774 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2775}
2776
2777void
2778DESTROY (SV *self)
2779 CODE:
2780{
2781 aio_wd wd = SvAIO_WD (self);
2782#if HAVE_AT
2783 {
2784 SV *callback = &PL_sv_undef;
2785 dREQ; /* clobbers next_pri :/ */
2786 next_pri = req->pri; /* restore next_pri */
2787 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2788 req->type = EIO_WD_CLOSE;
2789 req->wd = wd;
2790 REQ_SEND;
2791 }
2792#else
2793 eio_wd_close_sync (wd);
2794#endif
2795}
2796
1688MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2797MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1689 2798
1690void 2799void
1691cancel (aio_req_ornot req) 2800cancel (aio_req_ornot req)
1692 CODE: 2801 CODE:
1693 eio_cancel (req); 2802 eio_cancel (req);
1694 2803
1695void 2804void
1696cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2805cb (aio_req_ornot req, SV *callback = NO_INIT)
1697 PPCODE: 2806 PPCODE:
1698{ 2807{
1699 if (GIMME_V != G_VOID) 2808 if (GIMME_V != G_VOID)
1700 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2809 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1701 2810
1702 if (items > 1) 2811 if (items > 1)
1703 { 2812 {
1704 SV *cb_cv =get_cb (callback); 2813 SV *cb_cv = get_cb (callback);
1705 2814
1706 SvREFCNT_dec (req->callback); 2815 SvREFCNT_dec (req->callback);
1707 req->callback = SvREFCNT_inc (cb_cv); 2816 req->callback = SvREFCNT_inc (cb_cv);
1708 } 2817 }
1709} 2818}
… …
1766limit (aio_req grp, int limit) 2875limit (aio_req grp, int limit)
1767 CODE: 2876 CODE:
1768 eio_grp_limit (grp, limit); 2877 eio_grp_limit (grp, limit);
1769 2878
1770void 2879void
1771feed (aio_req grp, SV *callback=&PL_sv_undef) 2880feed (aio_req grp, SV *callback = &PL_sv_undef)
1772 CODE: 2881 CODE:
1773{ 2882{
1774 SvREFCNT_dec (grp->sv2); 2883 SvREFCNT_dec (grp->sv2);
1775 grp->sv2 = newSVsv (callback); 2884 grp->sv2 = newSVsv (callback);
1776 grp->feed = aio_grp_feed; 2885 grp->feed = aio_grp_feed;

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