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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.185 by root, Thu Jul 7 22:36:18 2011 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 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#if HAVE_SYSCALL
322#define EIO_FINISH(req) req_invoke (req) 232#include <sys/syscall.h>
323static void req_destroy (eio_req *grp); 233#else
324#define EIO_DESTROY(req) req_destroy (req) 234# define syscall(nr,...) (errno = ENOSYS, -1)
235#endif
236
237/*****************************************************************************/
238
239#if !_POSIX_MAPPED_FILES
240# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
241# define munmap(addr,length) EIO_ENOSYS ()
242#endif
243
244#if !_POSIX_MEMORY_PROTECTION
245# define mprotect(addr,len,prot) EIO_ENOSYS ()
246#endif
247
248#if !MREMAP_MAYMOVE
249# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
250#endif
251
252#define FOREIGN_MAGIC PERL_MAGIC_ext
253
254static int ecb_cold
255mmap_free (pTHX_ SV *sv, MAGIC *mg)
256{
257 int old_errno = errno;
258 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
259 errno = old_errno;
260
261 mg->mg_obj = 0; /* just in case */
262
263 SvREADONLY_off (sv);
264
265 if (SvPVX (sv) != mg->mg_ptr)
266 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
267
268 SvCUR_set (sv, 0);
269 SvPVX (sv) = 0;
270 SvOK_off (sv);
271
272 return 0;
273}
274
275static MGVTBL mmap_vtbl = {
276 0, 0, 0, 0, mmap_free
277};
278
279static int ecb_cold
280sysfree_free (pTHX_ SV *sv, MAGIC *mg)
281{
282 free (mg->mg_ptr);
283 mg->mg_obj = 0; /* just in case */
284
285 SvREADONLY_off (sv);
286
287 if (SvPVX (sv) != mg->mg_ptr)
288 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
289
290 SvCUR_set (sv, 0);
291 SvPVX (sv) = 0;
292 SvOK_off (sv);
293
294 return 0;
295}
296
297static MGVTBL sysfree_vtbl = {
298 0, 0, 0, 0, sysfree_free
299};
300
301/*****************************************************************************/
302
303/* helper: set scalar to foreign ptr with custom free */
304ecb_noinline
305static void
306sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
307{
308 sv_force_normal (sv);
309
310 /* we store the length in mg_obj, as namlen is I32 :/ */
311 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
312 ->mg_obj = (SV *)length;
313
314 SvUPGRADE (sv, SVt_PV); /* nop... */
315
316 if (SvLEN (sv))
317 Safefree (SvPVX (sv));
318
319 SvPVX (sv) = (char *)addr;
320 SvCUR_set (sv, length);
321 SvLEN_set (sv, 0);
322 SvPOK_only (sv);
323}
324
325static void
326sv_clear_foreign (SV *sv)
327{
328 /* todo: iterate over magic and only free ours, but of course */
329 /* the perl5porters will call that (correct) behaviour buggy */
330 sv_unmagic (sv, FOREIGN_MAGIC);
331}
332
333/*****************************************************************************/
334
335/* defines all sorts of constants to 0 unless they are already defined */
336/* also provides const_iv_ and const_niv_ macros for them */
337#include "def0.h"
338
339/*****************************************************************************/
340
341static void
342fiemap (eio_req *req)
343{
344 req->result = -1;
345
346#if HAVE_FIEMAP
347 /* assume some c99 */
348 struct fiemap *fiemap = 0;
349 size_t end_offset;
350 int count = req->int3;
351
352 req->flags |= EIO_FLAG_PTR1_FREE;
353
354 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
355 /* increase in fixed steps */
356 if (count < 0)
357 count = 8;
358
359 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
360 errno = ENOMEM;
361 if (!fiemap)
362 return;
363
364 req->ptr1 = fiemap;
365
366 fiemap->fm_start = req->offs;
367 fiemap->fm_length = req->size;
368 fiemap->fm_flags = req->int2;
369 fiemap->fm_extent_count = count;
370
371 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
372 return;
373
374 if (req->int3 >= 0 /* not autosizing */
375 || !fiemap->fm_mapped_extents /* no more extents */
376 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
377 goto done;
378
379 /* else we have to loop -
380 * it would be tempting (actually I tried that first) to just query the
381 * number of extents needed, but linux often feels like not returning all
382 * extents, without telling us it left any out. this complicates
383 * this quite a bit.
384 */
385
386 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
387
388 for (;;)
389 {
390 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
391 char scratch[3072];
392 struct fiemap *incmap = (struct fiemap *)scratch;
393
394 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
395 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
396 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
397 incmap->fm_flags = fiemap->fm_flags;
398 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
399
400 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
401 return;
402
403 if (!incmap->fm_mapped_extents)
404 goto done;
405
406 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
407 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
408 errno = ENOMEM;
409 if (!fiemap)
410 return;
411
412 req->ptr1 = fiemap;
413
414 for (count = 0; count < incmap->fm_mapped_extents; ++count)
415 {
416 struct fiemap_extent *e = incmap->fm_extents + count;
417
418 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
419
420 if (e->fe_logical >= end_offset)
421 goto done;
422
423 if (e->fe_flags & FIEMAP_EXTENT_LAST)
424 goto done;
425
426 }
427 }
428
429done:
430 req->result = 0;
431
432#else
433 errno = ENOSYS;
434#endif
435}
436
437/*****************************************************************************/
438
439static int close_fd; /* dummy fd to close fds via dup2 */
440
441#if HAVE_STATX
442static struct statx stx;
443#define statx_offsetof(member) offsetof (struct statx, member)
444#define eio__statx statx
445#else
446#define statx_offsetof(member) 0
447#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
448#endif
325 449
326enum { 450enum {
327 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 451 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328}; 452};
329 453
330#include "libeio/eio.c"
331
332typedef eio_req *aio_req; 454typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 455typedef eio_req *aio_req_ornot;
456typedef eio_wd aio_wd;
334 457
335static SV *on_next_submit; 458static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 459static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 460static int max_outstanding;
338 461
339static s_epipe respipe; 462static s_epipe respipe;
340 463
341static void req_destroy (aio_req req); 464static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 465static void req_cancel (aio_req req);
343 466
344static void want_poll (void) 467static void
468want_poll (void)
345{ 469{
346 /* write a dummy byte to the pipe so fh becomes ready */ 470 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 471 s_epipe_signal (&respipe);
348} 472}
349 473
350static void done_poll (void) 474static void
475done_poll (void)
351{ 476{
352 /* read any signals sent by the worker threads */ 477 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 478 s_epipe_drain (&respipe);
354} 479}
355 480
356/* must be called at most once */ 481/* must be called at most once */
482ecb_noinline
483static SV *
357static SV *req_sv (aio_req req, HV *stash) 484req_sv (aio_req req, HV *stash)
358{ 485{
359 if (!req->self) 486 if (!req->self)
360 { 487 {
361 req->self = (SV *)newHV (); 488 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 489 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 490 }
364 491
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 492 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 493}
367 494
368static aio_req SvAIO_REQ (SV *sv) 495static SV *
496newSVaio_wd (aio_wd wd)
497{
498 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
499}
500
501ecb_noinline
502static aio_req
503SvAIO_REQ (SV *sv)
369{ 504{
370 MAGIC *mg; 505 MAGIC *mg;
371 506
372 if (!SvROK (sv) 507 if (!SvROK (sv)
508 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 509 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 510 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 511 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 512 croak ("object of class IO::AIO::REQ expected");
377 513
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 514 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 515
380 return mg ? (aio_req)mg->mg_ptr : 0; 516 return mg ? (aio_req)mg->mg_ptr : 0;
381} 517}
382 518
519static aio_wd
520SvAIO_WD (SV *sv)
521{
522 if (!SvROK (sv)
523 || SvTYPE (SvRV (sv)) != SVt_PVMG
524 || SvSTASH (SvRV (sv)) != aio_wd_stash)
525 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
526
527 return (aio_wd)(long)SvIVX (SvRV (sv));
528}
529
530static SV *
531newmortalFH (int fd, int flags)
532{
533 if (fd < 0)
534 return &PL_sv_undef;
535
536 GV *gv = (GV *)sv_newmortal ();
537 char sym[64];
538 int symlen;
539
540 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
541 gv_init (gv, aio_stash, sym, symlen, 0);
542
543 symlen = snprintf (
544 sym,
545 sizeof (sym),
546 "%s&=%d",
547 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
548 fd
549 );
550
551 return do_open (gv, sym, symlen, 0, 0, 0, 0)
552 ? (SV *)gv : &PL_sv_undef;
553}
554
555static void
383static void aio_grp_feed (aio_req grp) 556aio_grp_feed (aio_req grp)
384{ 557{
385 if (grp->sv2 && SvOK (grp->sv2)) 558 if (grp->sv2 && SvOK (grp->sv2))
386 { 559 {
387 dSP; 560 dSP;
388 561
… …
396 FREETMPS; 569 FREETMPS;
397 LEAVE; 570 LEAVE;
398 } 571 }
399} 572}
400 573
574ecb_noinline
575static void
401static void req_submit (eio_req *req) 576req_submit (eio_req *req)
402{ 577{
403 eio_submit (req); 578 eio_submit (req);
404 579
405 if (expect_false (on_next_submit)) 580 if (expect_false (on_next_submit))
406 { 581 {
… …
413 PUTBACK; 588 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 589 call_sv (cb, G_DISCARD | G_EVAL);
415 } 590 }
416} 591}
417 592
593static int
418static int req_invoke (eio_req *req) 594req_invoke (eio_req *req)
419{ 595{
420 if (req->flags & FLAG_SV2_RO_OFF) 596 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 597 SvREADONLY_off (req->sv2);
422 598
423 if (!EIO_CANCELLED (req) && req->callback) 599 if (!EIO_CANCELLED (req) && req->callback)
… …
444 SvREADONLY_on (sv_result); 620 SvREADONLY_on (sv_result);
445 } 621 }
446 622
447 switch (req->type) 623 switch (req->type)
448 { 624 {
625 case EIO_WD_OPEN:
626 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
627 break;
628
449 case EIO_READDIR: 629 case EIO_READDIR:
450 { 630 {
451 SV *rv = &PL_sv_undef; 631 SV *rv = &PL_sv_undef;
452 632
453 if (req->result >= 0) 633 if (req->result >= 0)
… …
506 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 686 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
507 } 687 }
508 break; 688 break;
509 689
510 case EIO_OPEN: 690 case EIO_OPEN:
511 { 691 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; 692 break;
540 693
541 case EIO_STATVFS: 694 case EIO_STATVFS:
542 case EIO_FSTATVFS: 695 case EIO_FSTATVFS:
543 { 696 {
544 SV *rv = &PL_sv_undef; 697 SV *rv = &PL_sv_undef;
545 698
699#ifndef _WIN32
546 if (req->result >= 0) 700 if (req->result >= 0)
547 { 701 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 702 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV (); 703 HV *hv = newHV ();
704 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
705 * chooses to make it a struct.
706 */
707 unsigned long fsid = 0;
708 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550 709
551 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 710 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552 711
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 712 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); 713 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); 715 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); 716 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); 717 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); 718 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); 719 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); 720 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 721 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); 722 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 } 723 }
724#endif
565 725
566 PUSHs (rv); 726 PUSHs (rv);
567 } 727 }
568 728
569 break; 729 break;
… …
593 break; 753 break;
594 754
595 case EIO_STAT: 755 case EIO_STAT:
596 case EIO_LSTAT: 756 case EIO_LSTAT:
597 case EIO_FSTAT: 757 case EIO_FSTAT:
598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 758 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
759
599 PL_laststatval = req->result; 760 if (!(PL_laststatval = req->result))
761 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 762 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
763
601 PUSHs (sv_result); 764 PUSHs (sv_result);
765 break;
766
767 case EIO_SEEK:
768 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
602 break; 769 break;
603 770
604 case EIO_READ: 771 case EIO_READ:
605 { 772 {
606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 773 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
609 SvSETMAGIC (req->sv2); 776 SvSETMAGIC (req->sv2);
610 PUSHs (sv_result); 777 PUSHs (sv_result);
611 } 778 }
612 break; 779 break;
613 780
781 case EIO_SLURP:
782 {
783 if (req->result >= 0)
784 {
785 /* if length was originally not known, we steal the malloc'ed memory */
786 if (req->flags & EIO_FLAG_PTR2_FREE)
787 {
788 req->flags &= ~EIO_FLAG_PTR2_FREE;
789 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
790 }
791 else
792 {
793 SvCUR_set (req->sv2, req->result);
794 *SvEND (req->sv2) = 0;
795 SvPOK_only (req->sv2);
796 }
797
798 SvSETMAGIC (req->sv2);
799 }
800
801 PUSHs (sv_result);
802 }
803 break;
804
805 case EIO_CUSTOM:
806 if (req->feed == fiemap)
807 {
808#if HAVE_FIEMAP
809 if (!req->result)
810 {
811 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
812
813 if (fiemap->fm_extent_count)
814 {
815 AV *av = newAV ();
816 int i;
817
818 while (fiemap->fm_mapped_extents)
819 {
820 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
821 AV *ext_av = newAV ();
822
823 av_store (ext_av, 3, newSVuv (extent->fe_flags));
824 av_store (ext_av, 2, newSVval64 (extent->fe_length));
825 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
826 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
827
828 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
829 }
830
831 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
832 }
833 else
834 {
835 SvIV_set (sv_result, fiemap->fm_mapped_extents);
836 PUSHs (sv_result);
837 }
838 }
839#endif
840 }
841 else
842 PUSHs (sv_result);
843 break;
844
845#if 0
846 case EIO_CLOSE:
847 PerlIOUnix_refcnt_dec (req->int1);
848 break;
849#endif
850
614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 851 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
615 if (req->result > 0) 852 if (req->result > 0)
616 SvIV_set (sv_result, 0); 853 SvIV_set (sv_result, 0);
617 /* FALLTHROUGH */ 854 /* FALLTHROUGH */
618 855
… …
639 } 876 }
640 877
641 return !!SvTRUE (ERRSV); 878 return !!SvTRUE (ERRSV);
642} 879}
643 880
881static void
644static void req_destroy (aio_req req) 882req_destroy (aio_req req)
645{ 883{
646 if (req->self) 884 if (req->self)
647 { 885 {
648 sv_unmagic (req->self, PERL_MAGIC_ext); 886 sv_unmagic (req->self, PERL_MAGIC_ext);
649 SvREFCNT_dec (req->self); 887 SvREFCNT_dec (req->self);
650 } 888 }
651 889
652 SvREFCNT_dec (req->sv1); 890 SvREFCNT_dec (req->sv1);
653 SvREFCNT_dec (req->sv2); 891 SvREFCNT_dec (req->sv2);
892 SvREFCNT_dec (req->sv3);
893 SvREFCNT_dec (req->sv4);
654 SvREFCNT_dec (req->callback); 894 SvREFCNT_dec (req->callback);
655 895
656 Safefree (req); 896 free (req);
657} 897}
658 898
899static void
659static void req_cancel_subs (aio_req grp) 900req_cancel_subs (aio_req grp)
660{ 901{
661 aio_req sub;
662
663 if (grp->type != EIO_GROUP) 902 if (grp->type != EIO_GROUP)
664 return; 903 return;
665 904
666 SvREFCNT_dec (grp->sv2); 905 SvREFCNT_dec (grp->sv2);
667 grp->sv2 = 0; 906 grp->sv2 = 0;
668 907
669 eio_grp_cancel (grp); 908 eio_grp_cancel (grp);
670} 909}
671 910
911ecb_cold
912static void
672static void create_respipe (void) 913create_respipe (void)
673{ 914{
674 if (s_epipe_renew (&respipe)) 915 if (s_epipe_renew (&respipe))
675 croak ("IO::AIO: unable to initialize result pipe"); 916 croak ("IO::AIO: unable to initialize result pipe");
676} 917}
677 918
678static void poll_wait (void) 919static void
920poll_wait (void)
679{ 921{
680 while (eio_nreqs ()) 922 while (eio_nreqs ())
681 { 923 {
682 int size; 924 int size;
683 925
684 X_LOCK (reslock); 926 X_LOCK (EIO_POOL->reslock);
685 size = res_queue.size; 927 size = EIO_POOL->res_queue.size;
686 X_UNLOCK (reslock); 928 X_UNLOCK (EIO_POOL->reslock);
687 929
688 if (size) 930 if (size)
689 return; 931 return;
690 932
691 etp_maybe_start_thread (); 933 etp_maybe_start_thread (EIO_POOL);
692 934
693 s_epipe_wait (&respipe); 935 s_epipe_wait (&respipe);
694 } 936 }
695} 937}
696 938
697static int poll_cb (void) 939static int
940poll_cb (void)
698{ 941{
699 for (;;) 942 for (;;)
700 { 943 {
701 int res = eio_poll (); 944 int res = eio_poll ();
702 945
… …
708 951
709 poll_wait (); 952 poll_wait ();
710 } 953 }
711} 954}
712 955
713static void atfork_child (void) 956ecb_cold
957static void
958reinit (void)
714{ 959{
715 create_respipe (); 960 create_respipe ();
961
962 if (eio_init (want_poll, done_poll) < 0)
963 croak ("IO::AIO: unable to initialise eio library");
716} 964}
717 965
718/*****************************************************************************/ 966/*****************************************************************************/
719 967
720#if !_POSIX_MAPPED_FILES 968static 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) 969get_cb (SV *cb_sv)
763{ 970{
764 SvGETMAGIC (cb_sv); 971 SvGETMAGIC (cb_sv);
765 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 972 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
766} 973}
767 974
975ecb_noinline
976static aio_req ecb_noinline
977dreq (SV *callback)
978{
979 SV *cb_cv;
980 aio_req req;
981 int req_pri = next_pri;
982 next_pri = EIO_PRI_DEFAULT;
983
984 cb_cv = get_cb (callback);
985
986 req = calloc (sizeof (*req), 1);
987 if (!req)
988 croak ("out of memory during eio_req allocation");
989
990 req->callback = SvREFCNT_inc (cb_cv);
991 req->pri = req_pri;
992
993 return req;
994}
995
768#define dREQ \ 996#define dREQ \
769 SV *cb_cv; \ 997 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
782 998
783#define REQ_SEND \ 999#define REQ_SEND \
784 PUTBACK; \ 1000 PUTBACK; \
785 req_submit (req); \ 1001 req_submit (req); \
786 SPAGAIN; \ 1002 SPAGAIN; \
787 \ 1003 \
788 if (GIMME_V != G_VOID) \ 1004 if (GIMME_V != G_VOID) \
789 XPUSHs (req_sv (req, aio_req_stash)); 1005 XPUSHs (req_sv (req, aio_req_stash));
790 1006
1007/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1008ecb_inline
1009void
1010req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1011{
1012 if (expect_false (SvROK (path)))
1013 {
1014 SV *rv = SvRV (path);
1015 SV *wdob;
1016
1017 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1018 {
1019 path = AvARRAY (rv)[1];
1020 wdob = AvARRAY (rv)[0];
1021
1022 if (SvOK (wdob))
1023 {
1024 *wd = SvAIO_WD (wdob);
1025 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1026 }
1027 else
1028 *wd = EIO_INVALID_WD;
1029 }
1030 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1031 {
1032 *wd = (aio_wd)(long)SvIVX (rv);
1033 *wdsv = SvREFCNT_inc_NN (rv);
1034 *ptr = ".";
1035 return; /* path set to "." */
1036 }
1037 else
1038 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1039 }
1040
1041 *pathsv = newSVsv (path);
1042 *ptr = SvPVbyte_nolen (*pathsv);
1043}
1044
1045ecb_noinline
1046static void
1047req_set_path1 (aio_req req, SV *path)
1048{
1049 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1050}
1051
1052ecb_noinline
1053static void
1054req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1055{
1056 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1057
1058 switch (SvTYPE (rv))
1059 {
1060 case SVt_PVIO:
1061 case SVt_PVLV:
1062 case SVt_PVGV:
1063 req->type = type_fh;
1064 req->sv1 = newSVsv (fh_or_path);
1065 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1066 break;
1067
1068 default:
1069 req->type = type_path;
1070 req_set_path1 (req, fh_or_path);
1071 break;
1072 }
1073}
1074
1075/*****************************************************************************/
1076
1077static void
1078ts_set (struct timespec *ts, NV value)
1079{
1080 ts->tv_sec = value;
1081 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1082}
1083
1084static NV
1085ts_get (const struct timespec *ts)
1086{
1087 return ts->tv_sec + ts->tv_nsec * 1e-9;
1088}
1089
1090/*****************************************************************************/
1091
1092XS(boot_IO__AIO) ecb_cold;
1093
791MODULE = IO::AIO PACKAGE = IO::AIO 1094MODULE = IO::AIO PACKAGE = IO::AIO
792 1095
793PROTOTYPES: ENABLE 1096PROTOTYPES: ENABLE
794 1097
795BOOT: 1098BOOT:
… …
799 IV iv; 1102 IV iv;
800 } *civ, const_iv[] = { 1103 } *civ, const_iv[] = {
801# define const_niv(name, value) { # name, (IV) value }, 1104# define const_niv(name, value) { # name, (IV) value },
802# define const_iv(name) { # name, (IV) name }, 1105# define const_iv(name) { # name, (IV) name },
803# define const_eio(name) { # name, (IV) EIO_ ## name }, 1106# define const_eio(name) { # name, (IV) EIO_ ## name },
1107
1108 /* you have to re-run ./gendef0 after adding/removing any constants here */
1109 /* the first block can be undef if missing */
1110 const_iv (ENOSYS)
804 const_iv (EXDEV) 1111 const_iv (EXDEV)
805 const_iv (ENOSYS) 1112 const_iv (EBADR)
1113
1114 /* for lseek */
1115 const_iv (SEEK_DATA)
1116 const_iv (SEEK_HOLE)
1117
1118 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1119 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1120 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1121 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1122 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1123 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1124
1125 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1126 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1127 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1128 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1129 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1130
1131 /* the second block will be 0 when missing */
1132 const_iv (O_ACCMODE)
1133
806 const_iv (O_RDONLY) 1134 const_iv (O_RDONLY)
807 const_iv (O_WRONLY) 1135 const_iv (O_WRONLY)
808 const_iv (O_RDWR) 1136 const_iv (O_RDWR)
809 const_iv (O_CREAT) 1137 const_iv (O_CREAT)
810 const_iv (O_TRUNC) 1138 const_iv (O_TRUNC)
… …
823 const_iv (O_SEARCH) 1151 const_iv (O_SEARCH)
824 const_iv (O_DIRECTORY) 1152 const_iv (O_DIRECTORY)
825 const_iv (O_DSYNC) 1153 const_iv (O_DSYNC)
826 const_iv (O_RSYNC) 1154 const_iv (O_RSYNC)
827 const_iv (O_SYNC) 1155 const_iv (O_SYNC)
1156 const_iv (O_PATH)
1157 const_iv (O_TMPFILE)
828 const_iv (O_TTY_INIT) 1158 const_iv (O_TTY_INIT)
829 1159
830 const_iv (S_IFIFO) 1160 const_iv (S_IFIFO)
831 const_iv (S_IFCHR) 1161 const_iv (S_IFCHR)
832 const_iv (S_IFBLK) 1162 const_iv (S_IFBLK)
… …
834 const_iv (S_IFREG) 1164 const_iv (S_IFREG)
835 const_iv (S_IFDIR) 1165 const_iv (S_IFDIR)
836 const_iv (S_IFWHT) 1166 const_iv (S_IFWHT)
837 const_iv (S_IFSOCK) 1167 const_iv (S_IFSOCK)
838 const_iv (S_IFMT) 1168 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 1169
853 const_iv (ST_RDONLY) 1170 const_iv (ST_RDONLY)
854 const_iv (ST_NOSUID) 1171 const_iv (ST_NOSUID)
855 const_iv (ST_NODEV) 1172 const_iv (ST_NODEV)
856 const_iv (ST_NOEXEC) 1173 const_iv (ST_NOEXEC)
… …
866 const_iv (PROT_NONE) 1183 const_iv (PROT_NONE)
867 const_iv (PROT_EXEC) 1184 const_iv (PROT_EXEC)
868 const_iv (PROT_READ) 1185 const_iv (PROT_READ)
869 const_iv (PROT_WRITE) 1186 const_iv (PROT_WRITE)
870 1187
871 /*const_iv (MAP_FIXED)*/
872 const_iv (MAP_PRIVATE) 1188 const_iv (MAP_PRIVATE)
873 const_iv (MAP_SHARED) 1189 const_iv (MAP_SHARED)
1190 const_iv (MAP_FIXED)
874 const_iv (MAP_ANONYMOUS) 1191 const_iv (MAP_ANONYMOUS)
875 1192
876 /* linuxish */ 1193 /* linuxish */
877 const_iv (MAP_HUGETLB)
878 const_iv (MAP_LOCKED) 1194 const_iv (MAP_LOCKED)
879 const_iv (MAP_NORESERVE) 1195 const_iv (MAP_NORESERVE)
880 const_iv (MAP_POPULATE) 1196 const_iv (MAP_POPULATE)
881 const_iv (MAP_NONBLOCK) 1197 const_iv (MAP_NONBLOCK)
1198 const_iv (MAP_GROWSDOWN)
1199 const_iv (MAP_32BIT)
1200 const_iv (MAP_HUGETLB)
1201 const_iv (MAP_STACK)
1202
1203 const_iv (MREMAP_MAYMOVE)
1204 const_iv (MREMAP_FIXED)
1205
1206 const_iv (MSG_CMSG_CLOEXEC)
1207 const_iv (SOCK_CLOEXEC)
1208
1209 const_iv (F_DUPFD_CLOEXEC)
1210
1211 const_iv (F_ADD_SEALS)
1212 const_iv (F_GET_SEALS)
1213 const_iv (F_SEAL_SEAL)
1214 const_iv (F_SEAL_SHRINK)
1215 const_iv (F_SEAL_GROW)
1216 const_iv (F_SEAL_WRITE)
1217
1218 const_iv (F_OFD_GETLK)
1219 const_iv (F_OFD_SETLK)
1220 const_iv (F_OFD_GETLKW)
1221
1222 const_iv (FIFREEZE)
1223 const_iv (FITHAW)
1224 const_iv (FITRIM)
1225 const_iv (FICLONE)
1226 const_iv (FICLONERANGE)
1227 const_iv (FIDEDUPERANGE)
1228
1229 const_iv (FS_IOC_GETFLAGS)
1230 const_iv (FS_IOC_SETFLAGS)
1231 const_iv (FS_IOC_GETVERSION)
1232 const_iv (FS_IOC_SETVERSION)
1233 const_iv (FS_IOC_FIEMAP)
1234 const_iv (FS_IOC_FSGETXATTR)
1235 const_iv (FS_IOC_FSSETXATTR)
1236 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1237 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1238 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1239
1240 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1241
1242 const_iv (FS_SECRM_FL)
1243 const_iv (FS_UNRM_FL)
1244 const_iv (FS_COMPR_FL)
1245 const_iv (FS_SYNC_FL)
1246 const_iv (FS_IMMUTABLE_FL)
1247 const_iv (FS_APPEND_FL)
1248 const_iv (FS_NODUMP_FL)
1249 const_iv (FS_NOATIME_FL)
1250 const_iv (FS_DIRTY_FL)
1251 const_iv (FS_COMPRBLK_FL)
1252 const_iv (FS_NOCOMP_FL)
1253 const_iv (FS_ENCRYPT_FL)
1254 const_iv (FS_BTREE_FL)
1255 const_iv (FS_INDEX_FL)
1256 const_iv (FS_JOURNAL_DATA_FL)
1257 const_iv (FS_NOTAIL_FL)
1258 const_iv (FS_DIRSYNC_FL)
1259 const_iv (FS_TOPDIR_FL)
1260 const_iv (FS_FL_USER_MODIFIABLE)
1261
1262 const_iv (FS_XFLAG_REALTIME)
1263 const_iv (FS_XFLAG_PREALLOC)
1264 const_iv (FS_XFLAG_IMMUTABLE)
1265 const_iv (FS_XFLAG_APPEND)
1266 const_iv (FS_XFLAG_SYNC)
1267 const_iv (FS_XFLAG_NOATIME)
1268 const_iv (FS_XFLAG_NODUMP)
1269 const_iv (FS_XFLAG_RTINHERIT)
1270 const_iv (FS_XFLAG_PROJINHERIT)
1271 const_iv (FS_XFLAG_NOSYMLINKS)
1272 const_iv (FS_XFLAG_EXTSIZE)
1273 const_iv (FS_XFLAG_EXTSZINHERIT)
1274 const_iv (FS_XFLAG_NODEFRAG)
1275 const_iv (FS_XFLAG_FILESTREAM)
1276 const_iv (FS_XFLAG_DAX)
1277 const_iv (FS_XFLAG_HASATTR)
1278
1279 const_iv (FIEMAP_FLAG_SYNC)
1280 const_iv (FIEMAP_FLAG_XATTR)
1281 const_iv (FIEMAP_FLAGS_COMPAT)
1282 const_iv (FIEMAP_EXTENT_LAST)
1283 const_iv (FIEMAP_EXTENT_UNKNOWN)
1284 const_iv (FIEMAP_EXTENT_DELALLOC)
1285 const_iv (FIEMAP_EXTENT_ENCODED)
1286 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1287 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1288 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1289 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1290 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1291 const_iv (FIEMAP_EXTENT_MERGED)
1292 const_iv (FIEMAP_EXTENT_SHARED)
1293
1294 const_iv (SPLICE_F_MOVE)
1295 const_iv (SPLICE_F_NONBLOCK)
1296 const_iv (SPLICE_F_MORE)
1297 const_iv (SPLICE_F_GIFT)
1298
1299 const_iv (EFD_CLOEXEC)
1300 const_iv (EFD_NONBLOCK)
1301 const_iv (EFD_SEMAPHORE)
1302
1303 const_iv (MFD_CLOEXEC)
1304 const_iv (MFD_ALLOW_SEALING)
1305 const_iv (MFD_HUGETLB)
1306
1307 const_iv (CLOCK_REALTIME)
1308 const_iv (CLOCK_MONOTONIC)
1309 const_iv (CLOCK_BOOTTIME)
1310 const_iv (CLOCK_REALTIME_ALARM)
1311 const_iv (CLOCK_BOOTTIME_ALARM)
1312
1313 const_iv (TFD_NONBLOCK)
1314 const_iv (TFD_CLOEXEC)
1315
1316 const_iv (TFD_TIMER_ABSTIME)
1317 const_iv (TFD_TIMER_CANCEL_ON_SET)
1318
1319 const_iv (STATX_TYPE)
1320 const_iv (STATX_MODE)
1321 const_iv (STATX_NLINK)
1322 const_iv (STATX_UID)
1323 const_iv (STATX_GID)
1324 const_iv (STATX_ATIME)
1325 const_iv (STATX_MTIME)
1326 const_iv (STATX_CTIME)
1327 const_iv (STATX_INO)
1328 const_iv (STATX_SIZE)
1329 const_iv (STATX_BLOCKS)
1330 const_iv (STATX_BASIC_STATS)
1331 const_iv (STATX_ALL)
1332 const_iv (STATX_BTIME)
1333 const_iv (STATX_ATTR_COMPRESSED)
1334 const_iv (STATX_ATTR_IMMUTABLE)
1335 const_iv (STATX_ATTR_APPEND)
1336 const_iv (STATX_ATTR_NODUMP)
1337 const_iv (STATX_ATTR_ENCRYPTED)
1338 const_iv (STATX_ATTR_AUTOMOUNT)
1339
1340 const_iv (AT_FDCWD)
1341 const_iv (AT_SYMLINK_NOFOLLOW)
1342 const_iv (AT_EACCESS)
1343 const_iv (AT_REMOVEDIR)
1344 const_iv (AT_SYMLINK_FOLLOW)
1345 const_iv (AT_NO_AUTOMOUNT)
1346 const_iv (AT_EMPTY_PATH)
1347 const_iv (AT_STATX_SYNC_TYPE)
1348 const_iv (AT_STATX_AS_STAT)
1349 const_iv (AT_STATX_FORCE_SYNC)
1350 const_iv (AT_STATX_DONT_SYNC)
1351 const_iv (AT_RECURSIVE)
1352
1353 const_iv (OPEN_TREE_CLONE)
1354
1355 const_iv (FSOPEN_CLOEXEC)
1356
1357 const_iv (FSPICK_CLOEXEC)
1358 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1359 const_iv (FSPICK_NO_AUTOMOUNT)
1360 const_iv (FSPICK_EMPTY_PATH)
1361
1362 const_iv (MOVE_MOUNT_F_SYMLINKS)
1363 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1364 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1365 const_iv (MOVE_MOUNT_T_SYMLINKS)
1366 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1367 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1368
1369 /* these are libeio constants, and are independent of gendef0 */
1370 const_eio (SEEK_SET)
1371 const_eio (SEEK_CUR)
1372 const_eio (SEEK_END)
882 1373
883 const_eio (MCL_FUTURE) 1374 const_eio (MCL_FUTURE)
884 const_eio (MCL_CURRENT) 1375 const_eio (MCL_CURRENT)
1376 const_eio (MCL_ONFAULT)
885 1377
886 const_eio (MS_ASYNC) 1378 const_eio (MS_ASYNC)
887 const_eio (MS_INVALIDATE) 1379 const_eio (MS_INVALIDATE)
888 const_eio (MS_SYNC) 1380 const_eio (MS_SYNC)
889 1381
… …
892 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1384 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
893 const_eio (SYNC_FILE_RANGE_WRITE) 1385 const_eio (SYNC_FILE_RANGE_WRITE)
894 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1386 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
895 1387
896 const_eio (FALLOC_FL_KEEP_SIZE) 1388 const_eio (FALLOC_FL_KEEP_SIZE)
1389 const_eio (FALLOC_FL_PUNCH_HOLE)
1390 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1391 const_eio (FALLOC_FL_ZERO_RANGE)
1392 const_eio (FALLOC_FL_INSERT_RANGE)
1393 const_eio (FALLOC_FL_UNSHARE_RANGE)
1394
1395 const_eio (RENAME_NOREPLACE)
1396 const_eio (RENAME_EXCHANGE)
1397 const_eio (RENAME_WHITEOUT)
897 1398
898 const_eio (READDIR_DENTS) 1399 const_eio (READDIR_DENTS)
899 const_eio (READDIR_DIRS_FIRST) 1400 const_eio (READDIR_DIRS_FIRST)
900 const_eio (READDIR_STAT_ORDER) 1401 const_eio (READDIR_STAT_ORDER)
901 const_eio (READDIR_FOUND_UNKNOWN) 1402 const_eio (READDIR_FOUND_UNKNOWN)
… …
912 }; 1413 };
913 1414
914 aio_stash = gv_stashpv ("IO::AIO" , 1); 1415 aio_stash = gv_stashpv ("IO::AIO" , 1);
915 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1416 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
916 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1417 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1418 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
917 1419
918 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1420 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
919 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1421 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
920 1422
921 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1423 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
922 1424
923 create_respipe (); 1425 /* allocate dummy pipe fd for aio_close */
1426 {
1427 int pipefd [2];
924 1428
925 if (eio_init (want_poll, done_poll) < 0) 1429 if (
926 croak ("IO::AIO: unable to initialise eio library"); 1430#ifdef _WIN32
1431 _pipe (pipefd, 1, _O_BINARY) < 0
1432#else
1433 pipe (pipefd) < 0
1434 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1435#endif
1436 || close (pipefd [1]) < 0
1437 )
1438 croak ("IO::AIO: unable to create dummy pipe for aio_close");
927 1439
928 /* atfork child called in fifo order, so before eio's handler */ 1440 close_fd = pipefd [0];
929 X_THREAD_ATFORK (0, 0, atfork_child); 1441 }
1442
1443 reinit ();
930} 1444}
1445
1446void
1447reinit ()
1448 PROTOTYPE:
931 1449
932void 1450void
933max_poll_reqs (unsigned int nreqs) 1451max_poll_reqs (unsigned int nreqs)
934 PROTOTYPE: $ 1452 PROTOTYPE: $
935 CODE: 1453 CODE:
… …
970 PROTOTYPE: $ 1488 PROTOTYPE: $
971 CODE: 1489 CODE:
972 max_outstanding = maxreqs; 1490 max_outstanding = maxreqs;
973 1491
974void 1492void
975aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1493aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
976 PPCODE: 1494 PPCODE:
977{ 1495{
978 dREQ; 1496 dREQ;
979 1497
1498 req->type = EIO_WD_OPEN;
1499 req_set_path1 (req, pathname);
1500
1501 REQ_SEND;
1502}
1503
1504void
1505aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1506 PPCODE:
1507{
1508 dREQ;
1509
980 req->type = EIO_OPEN; 1510 req->type = EIO_OPEN;
981 req->sv1 = newSVsv (pathname); 1511 req_set_path1 (req, pathname);
982 req->ptr1 = SvPVbyte_nolen (req->sv1);
983 req->int1 = flags; 1512 req->int1 = flags;
984 req->int2 = mode; 1513 req->int2 = mode;
985 1514
986 REQ_SEND; 1515 REQ_SEND;
987} 1516}
988 1517
989void 1518void
990aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1519aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
991 ALIAS: 1520 ALIAS:
992 aio_fsync = EIO_FSYNC 1521 aio_fsync = EIO_FSYNC
993 aio_fdatasync = EIO_FDATASYNC 1522 aio_fdatasync = EIO_FDATASYNC
1523 aio_syncfs = EIO_SYNCFS
994 PPCODE: 1524 PPCODE:
995{ 1525{
996 int fd = s_fileno_croak (fh, 0); 1526 int fd = s_fileno_croak (fh, 0);
997 dREQ; 1527 dREQ;
998 1528
999 req->type = ix; 1529 req->type = ix;
1000 req->sv1 = newSVsv (fh); 1530 req->sv1 = newSVsv (fh);
1001 req->int1 = fd; 1531 req->int1 = fd;
1002 1532
1003 REQ_SEND (req); 1533 REQ_SEND;
1004} 1534}
1005 1535
1006void 1536void
1007aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1537aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1008 PPCODE: 1538 PPCODE:
1009{ 1539{
1010 int fd = s_fileno_croak (fh, 0); 1540 int fd = s_fileno_croak (fh, 0);
1011 dREQ; 1541 dREQ;
1012 1542
1013 req->type = EIO_SYNC_FILE_RANGE; 1543 req->type = EIO_SYNC_FILE_RANGE;
1014 req->sv1 = newSVsv (fh); 1544 req->sv1 = newSVsv (fh);
1015 req->int1 = fd; 1545 req->int1 = fd;
1016 req->offs = offset; 1546 req->offs = offset;
1017 req->size = nbytes; 1547 req->size = nbytes;
1018 req->int2 = flags; 1548 req->int2 = flags;
1019 1549
1020 REQ_SEND (req); 1550 REQ_SEND;
1021} 1551}
1022 1552
1023void 1553void
1024aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1554aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1025 PPCODE: 1555 PPCODE:
1026{ 1556{
1027 int fd = s_fileno_croak (fh, 0); 1557 int fd = s_fileno_croak (fh, 0);
1028 dREQ; 1558 dREQ;
1029 1559
1030 req->type = EIO_FALLOCATE; 1560 req->type = EIO_FALLOCATE;
1031 req->sv1 = newSVsv (fh); 1561 req->sv1 = newSVsv (fh);
1032 req->int1 = fd; 1562 req->int1 = fd;
1033 req->int2 = mode; 1563 req->int2 = mode;
1034 req->offs = offset; 1564 req->offs = offset;
1035 req->size = len; 1565 req->size = len;
1036 1566
1037 REQ_SEND (req); 1567 REQ_SEND;
1038} 1568}
1039 1569
1040void 1570void
1041aio_close (SV *fh, SV *callback=&PL_sv_undef) 1571aio_close (SV *fh, SV *callback = &PL_sv_undef)
1042 PPCODE: 1572 PPCODE:
1043{ 1573{
1044 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1045 int fd = s_fileno_croak (fh, 0); 1574 int fd = s_fileno_croak (fh, 0);
1046 dREQ; 1575 dREQ;
1576#if 0
1577 /* partially duplicate logic in s_fileno */
1578 SvGETMAGIC (fh);
1047 1579
1048 if (close_pipe < 0) 1580 if (SvROK (fh))
1581 {
1582 fh = SvRV (fh);
1583 SvGETMAGIC (fh);
1584 }
1585
1586 if (SvTYPE (fh) == SVt_PVGV)
1049 { 1587 {
1050 int pipefd [2]; 1588 /* perl filehandle */
1589 PerlIOUnix_refcnt_inc (fd);
1590 do_close ((GV *)fh, 1);
1051 1591
1052 if (pipe (pipefd) < 0 1592 req->type = EIO_CLOSE;
1053 || close (pipefd [1]) < 0 1593 req->int1 = fd;
1054 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1594 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1055 abort (); /*D*/
1056
1057 close_pipe = pipefd [0];
1058 } 1595 }
1059 1596 else
1597#endif
1598 {
1599 /* fd number */
1060 req->type = EIO_DUP2; 1600 req->type = EIO_DUP2;
1061 req->int1 = close_pipe; 1601 req->int1 = close_fd;
1602 req->sv2 = newSVsv (fh);
1603 req->int2 = fd;
1604 }
1605
1606 REQ_SEND;
1607}
1608
1609void
1610aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1611 PPCODE:
1612{
1613 int fd = s_fileno_croak (fh, 0);
1614 dREQ;
1615
1616 req->type = EIO_SEEK;
1062 req->sv2 = newSVsv (fh); 1617 req->sv1 = newSVsv (fh);
1063 req->int2 = fd; 1618 req->int1 = fd;
1619 req->offs = SvVAL64 (offset);
1620 req->int2 = whence;
1064 1621
1065 REQ_SEND (req); 1622 REQ_SEND;
1066} 1623}
1067 1624
1068void 1625void
1069aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1626aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1070 ALIAS: 1627 ALIAS:
1071 aio_read = EIO_READ 1628 aio_read = EIO_READ
1072 aio_write = EIO_WRITE 1629 aio_write = EIO_WRITE
1073 PPCODE: 1630 PPCODE:
1074{ 1631{
… …
1090 len = svlen - dataoffset; 1647 len = svlen - dataoffset;
1091 } 1648 }
1092 else 1649 else
1093 { 1650 {
1094 /* read: check type and grow scalar as necessary */ 1651 /* read: check type and grow scalar as necessary */
1095 SvUPGRADE (data, SVt_PV); 1652 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1096 svptr = SvGROW (data, len + dataoffset + 1); 1653 svptr = sv_grow (data, len + dataoffset + 1);
1654 else if (SvCUR (data) < len + dataoffset)
1655 croak ("length + dataoffset outside of scalar, and cannot grow");
1097 } 1656 }
1098 1657
1099 { 1658 {
1100 dREQ; 1659 dREQ;
1101 1660
… …
1117 REQ_SEND; 1676 REQ_SEND;
1118 } 1677 }
1119} 1678}
1120 1679
1121void 1680void
1681aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1682 ALIAS:
1683 aio_ioctl = EIO_IOCTL
1684 aio_fcntl = EIO_FCNTL
1685 PPCODE:
1686{
1687 int fd = s_fileno_croak (fh, 0);
1688 char *svptr;
1689
1690 if (SvPOK (arg) || !SvNIOK (arg))
1691 {
1692 STRLEN svlen;
1693 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1694#ifdef IOCPARM_LEN
1695 STRLEN need = IOCPARM_LEN (request);
1696#else
1697 STRLEN need = 256;
1698#endif
1699
1700 if (svlen < need)
1701 svptr = SvGROW (arg, need);
1702 }
1703 else
1704 svptr = (char *)SvIV (arg);
1705
1706 {
1707 dREQ;
1708
1709 req->type = ix;
1710 req->sv1 = newSVsv (fh);
1711 req->int1 = fd;
1712 req->int2 = (long)request;
1713 req->sv2 = SvREFCNT_inc (arg);
1714 req->ptr2 = svptr;
1715
1716 REQ_SEND;
1717 }
1718}
1719
1720void
1122aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1721aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1123 ALIAS: 1722 ALIAS:
1124 aio_readlink = EIO_READLINK 1723 aio_readlink = EIO_READLINK
1125 aio_realpath = EIO_REALPATH 1724 aio_realpath = EIO_REALPATH
1126 PPCODE: 1725 PPCODE:
1127{ 1726{
1128 SV *data;
1129 dREQ; 1727 dREQ;
1130 1728
1131 req->type = ix; 1729 req->type = ix;
1132 req->sv1 = newSVsv (path); 1730 req_set_path1 (req, pathname);
1133 req->ptr1 = SvPVbyte_nolen (req->sv1);
1134 1731
1135 REQ_SEND; 1732 REQ_SEND;
1136} 1733}
1137 1734
1138void 1735void
1139aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1736aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1140 PPCODE: 1737 PPCODE:
1141{ 1738{
1142 int ifd = s_fileno_croak (in_fh , 0); 1739 int ifd = s_fileno_croak (in_fh , 0);
1143 int ofd = s_fileno_croak (out_fh, 1); 1740 int ofd = s_fileno_croak (out_fh, 1);
1144 dREQ; 1741 dREQ;
1145 1742
1146 req->type = EIO_SENDFILE; 1743 req->type = EIO_SENDFILE;
1147 req->sv1 = newSVsv (out_fh); 1744 req->sv1 = newSVsv (out_fh);
1148 req->int1 = ofd; 1745 req->int1 = ofd;
… …
1153 1750
1154 REQ_SEND; 1751 REQ_SEND;
1155} 1752}
1156 1753
1157void 1754void
1158aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1755aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1159 PPCODE: 1756 PPCODE:
1160{ 1757{
1161 int fd = s_fileno_croak (fh, 0); 1758 int fd = s_fileno_croak (fh, 0);
1162 dREQ; 1759 dREQ;
1163 1760
1164 req->type = EIO_READAHEAD; 1761 req->type = EIO_READAHEAD;
1165 req->sv1 = newSVsv (fh); 1762 req->sv1 = newSVsv (fh);
1166 req->int1 = fd; 1763 req->int1 = fd;
… …
1169 1766
1170 REQ_SEND; 1767 REQ_SEND;
1171} 1768}
1172 1769
1173void 1770void
1174aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1771aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1175 ALIAS: 1772 ALIAS:
1176 aio_stat = EIO_STAT 1773 aio_stat = EIO_STAT
1177 aio_lstat = EIO_LSTAT 1774 aio_lstat = EIO_LSTAT
1178 aio_statvfs = EIO_STATVFS 1775 aio_statvfs = EIO_STATVFS
1179 PPCODE: 1776 PPCODE:
1180{ 1777{
1181 dREQ; 1778 dREQ;
1182 1779
1183 req->sv1 = newSVsv (fh_or_path); 1780 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1184
1185 if (SvPOK (req->sv1))
1186 {
1187 req->type = ix;
1188 req->ptr1 = SvPVbyte_nolen (req->sv1);
1189 }
1190 else
1191 {
1192 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1193 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1194 }
1195 1781
1196 REQ_SEND; 1782 REQ_SEND;
1197} 1783}
1784
1785void
1786st_xtime ()
1787 ALIAS:
1788 st_atime = 0x01
1789 st_mtime = 0x02
1790 st_ctime = 0x04
1791 st_btime = 0x08
1792 st_xtime = 0x0f
1793 PPCODE:
1794 EXTEND (SP, 4);
1795 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1796 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1797 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1798 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1799
1800void
1801st_xtimensec ()
1802 ALIAS:
1803 st_atimensec = 0x01
1804 st_mtimensec = 0x02
1805 st_ctimensec = 0x04
1806 st_btimensec = 0x08
1807 st_xtimensec = 0x0f
1808 st_btimesec = 0x10
1809 st_gen = 0x20
1810 PPCODE:
1811 EXTEND (SP, 4);
1812 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1813 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1814 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1815 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1816 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1817 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1198 1818
1199UV 1819UV
1200major (UV dev) 1820major (UV dev)
1201 ALIAS: 1821 ALIAS:
1202 minor = 1 1822 minor = 1
1203 CODE: 1823 CODE:
1204 RETVAL = ix ? major (dev) : minor (dev); 1824 RETVAL = ix ? minor (dev) : major (dev);
1205 OUTPUT: 1825 OUTPUT:
1206 RETVAL 1826 RETVAL
1207 1827
1208UV 1828UV
1209makedev (UV maj, UV min) 1829makedev (UV maj, UV min)
… …
1211 RETVAL = makedev (maj, min); 1831 RETVAL = makedev (maj, min);
1212 OUTPUT: 1832 OUTPUT:
1213 RETVAL 1833 RETVAL
1214 1834
1215void 1835void
1216aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1836aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1217 PPCODE: 1837 PPCODE:
1218{ 1838{
1219 dREQ; 1839 dREQ;
1220 1840
1221 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1841 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1222 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1842 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1223 req->sv1 = newSVsv (fh_or_path); 1843 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1224
1225 if (SvPOK (req->sv1))
1226 {
1227 req->type = EIO_UTIME;
1228 req->ptr1 = SvPVbyte_nolen (req->sv1);
1229 }
1230 else
1231 {
1232 req->type = EIO_FUTIME;
1233 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1234 }
1235 1844
1236 REQ_SEND; 1845 REQ_SEND;
1237} 1846}
1238 1847
1239void 1848void
1240aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1849aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1241 PPCODE: 1850 PPCODE:
1242{ 1851{
1243 dREQ; 1852 dREQ;
1244 1853
1245 req->sv1 = newSVsv (fh_or_path);
1246 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1854 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1247 1855 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1248 if (SvPOK (req->sv1))
1249 {
1250 req->type = EIO_TRUNCATE;
1251 req->ptr1 = SvPVbyte_nolen (req->sv1);
1252 }
1253 else
1254 {
1255 req->type = EIO_FTRUNCATE;
1256 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1257 }
1258 1856
1259 REQ_SEND; 1857 REQ_SEND;
1260} 1858}
1261 1859
1262void 1860void
1263aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1861aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1264 ALIAS:
1265 aio_chmod = EIO_CHMOD
1266 aio_mkdir = EIO_MKDIR
1267 PPCODE: 1862 PPCODE:
1268{ 1863{
1269 dREQ; 1864 dREQ;
1270 1865
1271 req->int2 = mode; 1866 req->int2 = mode;
1272 req->sv1 = newSVsv (fh_or_path); 1867 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1273
1274 if (SvPOK (req->sv1))
1275 {
1276 req->type = ix;
1277 req->ptr1 = SvPVbyte_nolen (req->sv1);
1278 }
1279 else
1280 {
1281 req->type = EIO_FCHMOD;
1282 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1283 }
1284 1868
1285 REQ_SEND; 1869 REQ_SEND;
1286} 1870}
1287 1871
1288void 1872void
1289aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1873aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1290 PPCODE: 1874 PPCODE:
1291{ 1875{
1292 dREQ; 1876 dREQ;
1293 1877
1294 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1878 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1295 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1879 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1296 req->sv1 = newSVsv (fh_or_path); 1880 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1297
1298 if (SvPOK (req->sv1))
1299 {
1300 req->type = EIO_CHOWN;
1301 req->ptr1 = SvPVbyte_nolen (req->sv1);
1302 }
1303 else
1304 {
1305 req->type = EIO_FCHOWN;
1306 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1307 }
1308 1881
1309 REQ_SEND; 1882 REQ_SEND;
1310} 1883}
1311 1884
1312void 1885void
1313aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1886aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1314 PPCODE: 1887 PPCODE:
1315{ 1888{
1316 dREQ; 1889 dREQ;
1317 1890
1318 req->type = EIO_READDIR; 1891 req->type = EIO_READDIR;
1319 req->sv1 = newSVsv (pathname);
1320 req->ptr1 = SvPVbyte_nolen (req->sv1);
1321 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1892 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1322 1893
1323 if (flags & EIO_READDIR_DENTS) 1894 if (flags & EIO_READDIR_DENTS)
1324 req->int1 |= EIO_READDIR_CUSTOM2; 1895 req->int1 |= EIO_READDIR_CUSTOM2;
1325 1896
1897 req_set_path1 (req, pathname);
1898
1326 REQ_SEND; 1899 REQ_SEND;
1327} 1900}
1328 1901
1329void 1902void
1903aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1904 PPCODE:
1905{
1906 dREQ;
1907
1908 req->type = EIO_MKDIR;
1909 req->int2 = mode;
1910 req_set_path1 (req, pathname);
1911
1912 REQ_SEND;
1913}
1914
1915void
1330aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1916aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1331 ALIAS: 1917 ALIAS:
1332 aio_unlink = EIO_UNLINK 1918 aio_unlink = EIO_UNLINK
1333 aio_rmdir = EIO_RMDIR 1919 aio_rmdir = EIO_RMDIR
1334 aio_readdir = EIO_READDIR 1920 aio_readdir = EIO_READDIR
1335 PPCODE: 1921 PPCODE:
1336{ 1922{
1337 dREQ; 1923 dREQ;
1338 1924
1339 req->type = ix; 1925 req->type = ix;
1340 req->sv1 = newSVsv (pathname); 1926 req_set_path1 (req, pathname);
1341 req->ptr1 = SvPVbyte_nolen (req->sv1);
1342 1927
1343 REQ_SEND; 1928 REQ_SEND;
1344} 1929}
1345 1930
1346void 1931void
1347aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1932aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1348 ALIAS: 1933 ALIAS:
1349 aio_link = EIO_LINK 1934 aio_link = EIO_LINK
1350 aio_symlink = EIO_SYMLINK 1935 aio_symlink = EIO_SYMLINK
1351 aio_rename = EIO_RENAME 1936 aio_rename = EIO_RENAME
1352 PPCODE: 1937 PPCODE:
1353{ 1938{
1939 eio_wd wd2 = 0;
1354 dREQ; 1940 dREQ;
1355 1941
1356 req->type = ix; 1942 req->type = ix;
1357 req->sv1 = newSVsv (oldpath); 1943 req_set_path1 (req, oldpath);
1358 req->ptr1 = SvPVbyte_nolen (req->sv1); 1944 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1359 req->sv2 = newSVsv (newpath); 1945 req->int3 = (long)wd2;
1360 req->ptr2 = SvPVbyte_nolen (req->sv2);
1361 1946
1362 REQ_SEND; 1947 REQ_SEND;
1363} 1948}
1364 1949
1365void 1950void
1951aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1952 PPCODE:
1953{
1954 eio_wd wd2 = 0;
1955 dREQ;
1956
1957 req->type = EIO_RENAME;
1958 req_set_path1 (req, oldpath);
1959 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1960 req->int2 = flags;
1961 req->int3 = (long)wd2;
1962
1963 REQ_SEND;
1964}
1965
1966void
1366aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1967aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1367 PPCODE: 1968 PPCODE:
1368{ 1969{
1369 dREQ; 1970 dREQ;
1370 1971
1371 req->type = EIO_MKNOD; 1972 req->type = EIO_MKNOD;
1372 req->sv1 = newSVsv (pathname);
1373 req->ptr1 = SvPVbyte_nolen (req->sv1);
1374 req->int2 = (mode_t)mode; 1973 req->int2 = (mode_t)mode;
1375 req->offs = dev; 1974 req->offs = dev;
1975 req_set_path1 (req, pathname);
1376 1976
1377 REQ_SEND; 1977 REQ_SEND;
1378} 1978}
1379 1979
1380void 1980void
1381aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1981aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1382 ALIAS: 1982 ALIAS:
1383 aio_mtouch = EIO_MTOUCH 1983 aio_mtouch = EIO_MTOUCH
1384 aio_msync = EIO_MSYNC 1984 aio_msync = EIO_MSYNC
1385 PPCODE: 1985 PPCODE:
1386{ 1986{
1387 STRLEN svlen; 1987 STRLEN svlen;
1388 char *svptr = SvPVbyte (data, svlen); 1988 char *svptr = SvPVbyte (data, svlen);
1389 UV len = SvUV (length); 1989 UV len = SvUV (length);
1990
1991 if (flags < 0)
1992 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1390 1993
1391 if (offset < 0) 1994 if (offset < 0)
1392 offset += svlen; 1995 offset += svlen;
1393 1996
1394 if (offset < 0 || offset > svlen) 1997 if (offset < 0 || offset > svlen)
… …
1409 REQ_SEND; 2012 REQ_SEND;
1410 } 2013 }
1411} 2014}
1412 2015
1413void 2016void
1414aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2017aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1415 PPCODE: 2018 PPCODE:
1416{ 2019{
1417 STRLEN svlen; 2020 STRLEN svlen;
1418 char *svptr = SvPVbyte (data, svlen); 2021 char *svptr = SvPVbyte (data, svlen);
1419 UV len = SvUV (length); 2022 UV len = SvUV (length);
… …
1438 REQ_SEND; 2041 REQ_SEND;
1439 } 2042 }
1440} 2043}
1441 2044
1442void 2045void
1443aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2046aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1444 PPCODE: 2047 PPCODE:
1445{ 2048{
1446 dREQ; 2049 dREQ;
1447 2050
1448 req->type = EIO_MLOCKALL; 2051 req->type = EIO_MLOCKALL;
… …
1450 2053
1451 REQ_SEND; 2054 REQ_SEND;
1452} 2055}
1453 2056
1454void 2057void
2058aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2059 PPCODE:
2060{
2061 int fd = s_fileno_croak (fh, 0);
2062 dREQ;
2063
2064 req->type = EIO_CUSTOM;
2065 req->sv1 = newSVsv (fh);
2066 req->int1 = fd;
2067
2068 req->feed = fiemap;
2069#if HAVE_FIEMAP
2070 /* keep our fingers crossed that the next two types are 64 bit */
2071 req->offs = start;
2072 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2073 req->int2 = flags;
2074 req->int3 = SvOK (count) ? SvIV (count) : -1;
2075#endif
2076
2077 REQ_SEND;
2078}
2079
2080void
2081aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2082 PPCODE:
2083{
2084 char *svptr = 0;
2085
2086 sv_clear_foreign (data);
2087
2088 if (length) /* known length, directly read into scalar */
2089 {
2090 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2091 svptr = sv_grow (data, length + 1);
2092 else if (SvCUR (data) < length)
2093 croak ("length outside of scalar, and cannot grow");
2094 else
2095 svptr = SvPVbyte_nolen (data);
2096 }
2097
2098 {
2099 dREQ;
2100
2101 req->type = EIO_SLURP;
2102 req_set_path1 (req, pathname);
2103 req->offs = offset;
2104 req->size = length;
2105 req->sv2 = SvREFCNT_inc (data);
2106 req->ptr2 = svptr;
2107
2108 if (!SvREADONLY (data))
2109 {
2110 SvREADONLY_on (data);
2111 req->flags |= FLAG_SV2_RO_OFF;
2112 }
2113
2114 REQ_SEND;
2115 }
2116}
2117
2118void
1455aio_busy (double delay, SV *callback=&PL_sv_undef) 2119aio_busy (double delay, SV *callback = &PL_sv_undef)
1456 PPCODE: 2120 PPCODE:
1457{ 2121{
1458 dREQ; 2122 dREQ;
1459 2123
1460 req->type = EIO_BUSY; 2124 req->type = EIO_BUSY;
… …
1462 2126
1463 REQ_SEND; 2127 REQ_SEND;
1464} 2128}
1465 2129
1466void 2130void
1467aio_group (SV *callback=&PL_sv_undef) 2131aio_group (SV *callback = &PL_sv_undef)
1468 PPCODE: 2132 PPCODE:
1469{ 2133{
1470 dREQ; 2134 dREQ;
1471 2135
1472 req->type = EIO_GROUP; 2136 req->type = EIO_GROUP;
1473 2137
2138 PUTBACK;
1474 req_submit (req); 2139 req_submit (req);
2140 SPAGAIN;
2141
1475 XPUSHs (req_sv (req, aio_grp_stash)); 2142 XPUSHs (req_sv (req, aio_grp_stash));
1476} 2143}
1477 2144
1478void 2145void
1479aio_nop (SV *callback=&PL_sv_undef) 2146aio_nop (SV *callback = &PL_sv_undef)
1480 ALIAS: 2147 ALIAS:
1481 aio_nop = EIO_NOP 2148 aio_nop = EIO_NOP
1482 aio_sync = EIO_SYNC 2149 aio_sync = EIO_SYNC
1483 PPCODE: 2150 PPCODE:
1484{ 2151{
… …
1488 2155
1489 REQ_SEND; 2156 REQ_SEND;
1490} 2157}
1491 2158
1492int 2159int
1493aioreq_pri (int pri = 0) 2160aioreq_pri (int pri = NO_INIT)
1494 CODE: 2161 CODE:
1495 RETVAL = next_pri; 2162 RETVAL = next_pri;
1496 if (items > 0) 2163 if (items > 0)
1497 { 2164 {
1498 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2165 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1580 CODE: 2247 CODE:
1581 RETVAL = posix_fadvise (fh, offset, length, advice); 2248 RETVAL = posix_fadvise (fh, offset, length, advice);
1582 OUTPUT: 2249 OUTPUT:
1583 RETVAL 2250 RETVAL
1584 2251
1585ssize_t 2252IV
1586sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2253sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1587 CODE: 2254 CODE:
1588 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2255 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1589 OUTPUT: 2256 OUTPUT:
1590 RETVAL 2257 RETVAL
1591 2258
1592void 2259void
1593mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2260mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1594 PPCODE: 2261 PPCODE:
1595 sv_unmagic (scalar, MMAP_MAGIC); 2262 sv_clear_foreign (scalar);
1596{ 2263{
1597 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2264 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1598 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2265 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1599 if (addr == (void *)-1) 2266 if (addr == (void *)-1)
1600 XSRETURN_NO; 2267 XSRETURN_NO;
1601 2268
1602 sv_force_normal (scalar); 2269 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1603
1604 /* we store the length in mg_obj, as namlen is I32 :/ */
1605 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1606 ->mg_obj = (SV *)length;
1607
1608 SvUPGRADE (scalar, SVt_PV); /* nop... */
1609 2270
1610 if (!(prot & PROT_WRITE)) 2271 if (!(prot & PROT_WRITE))
1611 SvREADONLY_on (scalar); 2272 SvREADONLY_on (scalar);
1612 2273
1613 if (SvLEN (scalar))
1614 Safefree (SvPVX (scalar));
1615
1616 SvPVX (scalar) = (char *)addr;
1617 SvCUR_set (scalar, length);
1618 SvLEN_set (scalar, 0);
1619 SvPOK_only (scalar);
1620
1621 XSRETURN_YES; 2274 XSRETURN_YES;
1622} 2275}
1623 2276
1624void 2277void
1625munmap (SV *scalar) 2278munmap (SV *scalar)
1626 CODE: 2279 CODE:
1627 sv_unmagic (scalar, MMAP_MAGIC); 2280 sv_clear_foreign (scalar);
2281
2282SV *
2283mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2284 CODE:
2285{
2286 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2287 void *new;
2288
2289 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2290 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2291
2292 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2293
2294 RETVAL = &PL_sv_no;
2295
2296 if (new != (void *)-1)
2297 {
2298 RETVAL = new == (void *)mg->mg_ptr
2299 ? newSVpvn ("0 but true", 10)
2300 : &PL_sv_yes;
2301
2302 mg->mg_ptr = (char *)new;
2303 mg->mg_obj = (SV *)new_length;
2304
2305 SvPVX (scalar) = mg->mg_ptr;
2306 SvCUR_set (scalar, new_length);
2307 }
2308}
2309 OUTPUT:
2310 RETVAL
1628 2311
1629int 2312int
1630madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2313madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1631 ALIAS: 2314 ALIAS:
1632 mprotect = 1 2315 mprotect = 1
1633 CODE: 2316 CODE:
1634{ 2317{
1635 STRLEN svlen; 2318 STRLEN svlen;
1636 void *addr = SvPVbyte (scalar, svlen); 2319 void *addr = SvPVbyte (scalar, svlen);
1637 size_t len = SvUV (length); 2320 STRLEN len = SvUV (length);
1638 2321
1639 if (offset < 0) 2322 if (offset < 0)
1640 offset += svlen; 2323 offset += svlen;
1641 2324
1642 if (offset < 0 || offset > svlen) 2325 if (offset < 0 || offset > svlen)
… …
1656} 2339}
1657 OUTPUT: 2340 OUTPUT:
1658 RETVAL 2341 RETVAL
1659 2342
1660int 2343int
1661munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2344munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1662 CODE: 2345 CODE:
1663{ 2346{
1664 STRLEN svlen; 2347 STRLEN svlen;
1665 void *addr = SvPVbyte (scalar, svlen); 2348 void *addr = SvPVbyte (scalar, svlen);
1666 size_t len = SvUV (length); 2349 size_t len = SvUV (length);
1667 2350
1668 if (offset < 0) 2351 if (offset < 0)
1669 offset += svlen; 2352 offset += svlen;
1670 2353
… …
1677 addr = (void *)(((intptr_t)addr) + offset); 2360 addr = (void *)(((intptr_t)addr) + offset);
1678 eio_page_align (&addr, &len); 2361 eio_page_align (&addr, &len);
1679#if _POSIX_MEMLOCK_RANGE 2362#if _POSIX_MEMLOCK_RANGE
1680 RETVAL = munlock (addr, len); 2363 RETVAL = munlock (addr, len);
1681#else 2364#else
1682 RETVAL = ((errno = ENOSYS), -1); 2365 RETVAL = EIO_ENOSYS ();
1683#endif 2366#endif
1684} 2367}
1685 OUTPUT: 2368 OUTPUT:
2369 RETVAL
2370
2371int
2372mlockall (int flags)
2373 PROTOTYPE: $;
2374 CODE:
2375 RETVAL = eio_mlockall_sync (flags);
2376 OUTPUT:
1686 RETVAL 2377 RETVAL
1687 2378
1688int 2379int
1689munlockall () 2380munlockall ()
1690 CODE: 2381 CODE:
1691#if _POSIX_MEMLOCK 2382#if _POSIX_MEMLOCK
1692 munlockall (); 2383 munlockall ();
1693#else 2384#else
1694 RETVAL = -1; 2385 RETVAL = EIO_ENOSYS ();
1695 errno = ENOSYS;
1696#endif 2386#endif
1697 OUTPUT: 2387 OUTPUT:
1698 RETVAL 2388 RETVAL
2389
2390int
2391statx (SV8 *pathname, int flags, UV mask)
2392 CODE:
2393{
2394 /* undocumented, and might go away, and anyway, should use eio_statx */
2395 SV *wdsv = 0;
2396 SV *pathsv = 0;
2397 eio_wd wd = EIO_CWD;
2398 void *ptr;
2399 int res;
2400
2401 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2402 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2403
2404 SvREFCNT_dec (pathsv);
2405 SvREFCNT_dec (wdsv);
2406}
2407 OUTPUT:
2408 RETVAL
2409
2410U32
2411stx_mode ()
2412 PROTOTYPE:
2413 CODE:
2414#if HAVE_STATX
2415 RETVAL = stx.stx_mode;
2416#else
2417 XSRETURN_UNDEF;
2418#endif
2419 OUTPUT:
2420 RETVAL
2421
2422#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2423#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2424#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2425#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2426#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2427#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2428#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2429#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2430#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2431#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2432#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2433#define STATX_OFFSET_size statx_offsetof (stx_size)
2434#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2435#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2436#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2437#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2438#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2439#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2440
2441U32
2442stx_mask ()
2443 PROTOTYPE:
2444 ALIAS:
2445 stx_mask = STATX_OFFSET_mask
2446 stx_blksize = STATX_OFFSET_blksize
2447 stx_nlink = STATX_OFFSET_nlink
2448 stx_uid = STATX_OFFSET_uid
2449 stx_gid = STATX_OFFSET_gid
2450 stx_rdev_major = STATX_OFFSET_rdev_major
2451 stx_rdev_minor = STATX_OFFSET_rdev_minor
2452 stx_dev_major = STATX_OFFSET_dev_major
2453 stx_dev_minor = STATX_OFFSET_dev_minor
2454 CODE:
2455#if HAVE_STATX
2456 RETVAL = *(__u32 *)((char *)&stx + ix);
2457#else
2458 XSRETURN_UNDEF;
2459#endif
2460 OUTPUT:
2461 RETVAL
2462
2463VAL64
2464stx_attributes ()
2465 PROTOTYPE:
2466 ALIAS:
2467 stx_attributes = STATX_OFFSET_attributes
2468 stx_ino = STATX_OFFSET_ino
2469 stx_size = STATX_OFFSET_size
2470 stx_blocks = STATX_OFFSET_blocks
2471 stx_attributes_mask = STATX_OFFSET_attributes_mask
2472 CODE:
2473#if HAVE_STATX
2474 RETVAL = *(__u64 *)((char *)&stx + ix);
2475#else
2476 XSRETURN_UNDEF;
2477#endif
2478 OUTPUT:
2479 RETVAL
2480
2481NV
2482stx_atime ()
2483 PROTOTYPE:
2484 ALIAS:
2485 stx_atime = STATX_OFFSET_atime
2486 stx_btime = STATX_OFFSET_btime
2487 stx_ctime = STATX_OFFSET_ctime
2488 stx_mtime = STATX_OFFSET_mtime
2489 CODE:
2490#if HAVE_STATX
2491 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2492 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2493#else
2494 XSRETURN_UNDEF;
2495#endif
2496 OUTPUT:
2497 RETVAL
2498
2499VAL64
2500stx_atimesec ()
2501 PROTOTYPE:
2502 ALIAS:
2503 stx_atimesec = STATX_OFFSET_atime
2504 stx_btimesec = STATX_OFFSET_btime
2505 stx_ctimesec = STATX_OFFSET_ctime
2506 stx_mtimesec = STATX_OFFSET_mtime
2507 CODE:
2508#if HAVE_STATX
2509 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2510 RETVAL = ts->tv_sec;
2511#else
2512 XSRETURN_UNDEF;
2513#endif
2514 OUTPUT:
2515 RETVAL
2516
2517U32
2518stx_atimensec ()
2519 PROTOTYPE:
2520 ALIAS:
2521 stx_atimensec = STATX_OFFSET_atime
2522 stx_btimensec = STATX_OFFSET_btime
2523 stx_ctimensec = STATX_OFFSET_ctime
2524 stx_mtimensec = STATX_OFFSET_mtime
2525 CODE:
2526#if HAVE_STATX
2527 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2528 RETVAL = ts->tv_nsec;
2529#else
2530 RETVAL = 0;
2531#endif
2532 OUTPUT:
2533 RETVAL
2534
2535void
2536accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2537 PPCODE:
2538{
2539 SV *retval;
2540#if HAVE_ACCEPT4
2541 socklen_t salen_ = salen ? salen + 1 : 0;
2542
2543 if (salen)
2544 {
2545 sv_upgrade (sockaddr, SVt_PV);
2546 sv_grow (sockaddr, salen_);
2547 }
2548
2549 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2550
2551 retval = newmortalFH (res, O_RDWR);
2552
2553 if (res >= 0 && salen > 0)
2554 {
2555 if (salen_ > salen + 1)
2556 salen_ = salen + 1;
2557
2558 SvPOK_only (sockaddr);
2559 SvCUR_set (sockaddr, salen_);
2560 }
2561#else
2562 errno = ENOSYS;
2563 retval = &PL_sv_undef;
2564#endif
2565 XPUSHs (retval);
2566}
2567
2568ssize_t
2569splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2570 CODE:
2571{
2572#if HAVE_LINUX_SPLICE
2573 loff_t off_in_, off_out_;
2574 RETVAL = splice (
2575 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2576 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2577 length, flags
2578 );
2579#else
2580 RETVAL = EIO_ENOSYS ();
2581#endif
2582}
2583 OUTPUT:
2584 RETVAL
2585
2586ssize_t
2587tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2588 CODE:
2589#if HAVE_LINUX_SPLICE
2590 RETVAL = tee (rfh, wfh, length, flags);
2591#else
2592 RETVAL = EIO_ENOSYS ();
2593#endif
2594 OUTPUT:
2595 RETVAL
2596
2597int
2598pipesize (aio_rfd rfh, int new_size = -1)
2599 PROTOTYPE: $;$
2600 CODE:
2601#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2602 if (new_size >= 0)
2603 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2604 else
2605 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2606#else
2607 errno = ENOSYS;
2608 RETVAL = -1;
2609#endif
2610 OUTPUT:
2611 RETVAL
2612
2613void
2614pipe2 (int flags = 0)
2615 PROTOTYPE: ;$
2616 PPCODE:
2617{
2618 int fd[2];
2619 int res;
2620
2621 if (flags)
2622#if HAVE_PIPE2
2623 res = pipe2 (fd, flags);
2624#else
2625 res = (errno = ENOSYS, -1);
2626#endif
2627 else
2628 res = pipe (fd);
2629
2630 if (!res)
2631 {
2632 EXTEND (SP, 2);
2633 PUSHs (newmortalFH (fd[0], O_RDONLY));
2634 PUSHs (newmortalFH (fd[1], O_WRONLY));
2635 }
2636}
2637
2638void
2639pidfd_open (int pid, unsigned int flags = 0)
2640 PPCODE:
2641{
2642 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2643 int fd = syscall (SYS_pidfd_open, pid, flags);
2644 XPUSHs (newmortalFH (fd, O_RDWR));
2645}
2646
2647int
2648pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2649 PPCODE:
2650{
2651 int res;
2652 siginfo_t si = { 0 };
2653
2654 if (SvOK (siginfo))
2655 {
2656 HV *hv;
2657 SV **svp;
2658
2659 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2660 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2661
2662 hv = (HV *)SvRV (siginfo);
2663
2664 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2665 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2666 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2667 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2668 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2669 }
2670
2671 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2672 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2673
2674 XPUSHs (sv_2mortal (newSViv (res)));
2675}
2676
2677void
2678pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2679 PPCODE:
2680{
2681 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2682 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2683 XPUSHs (newmortalFH (fd, O_RDWR));
2684}
2685
2686void
2687eventfd (unsigned int initval = 0, int flags = 0)
2688 PPCODE:
2689{
2690 int fd;
2691#if HAVE_EVENTFD
2692 fd = eventfd (initval, flags);
2693#else
2694 fd = (errno = ENOSYS, -1);
2695#endif
2696
2697 XPUSHs (newmortalFH (fd, O_RDWR));
2698}
2699
2700void
2701timerfd_create (int clockid, int flags = 0)
2702 PPCODE:
2703{
2704 int fd;
2705#if HAVE_TIMERFD
2706 fd = timerfd_create (clockid, flags);
2707#else
2708 fd = (errno = ENOSYS, -1);
2709#endif
2710
2711 XPUSHs (newmortalFH (fd, O_RDWR));
2712}
2713
2714void
2715timerfd_settime (SV *fh, int flags, NV interval, NV value)
2716 PPCODE:
2717{
2718 int fd = s_fileno_croak (fh, 0);
2719#if HAVE_TIMERFD
2720 int res;
2721 struct itimerspec its, ots;
2722
2723 ts_set (&its.it_interval, interval);
2724 ts_set (&its.it_value , value);
2725 res = timerfd_settime (fd, flags, &its, &ots);
2726
2727 if (!res)
2728 {
2729 EXTEND (SP, 2);
2730 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2731 PUSHs (newSVnv (ts_get (&ots.it_value)));
2732 }
2733#else
2734 errno = ENOSYS;
2735#endif
2736}
2737
2738void
2739timerfd_gettime (SV *fh)
2740 PPCODE:
2741{
2742 int fd = s_fileno_croak (fh, 0);
2743#if HAVE_TIMERFD
2744 int res;
2745 struct itimerspec ots;
2746 res = timerfd_gettime (fd, &ots);
2747
2748 if (!res)
2749 {
2750 EXTEND (SP, 2);
2751 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2752 PUSHs (newSVnv (ts_get (&ots.it_value)));
2753 }
2754#else
2755 errno = ENOSYS;
2756#endif
2757}
2758
2759void
2760memfd_create (SV8 *pathname, int flags = 0)
2761 PPCODE:
2762{
2763 int fd;
2764#if HAVE_MEMFD_CREATE
2765 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2766#else
2767 fd = (errno = ENOSYS, -1);
2768#endif
2769
2770 XPUSHs (newmortalFH (fd, O_RDWR));
2771}
2772
2773UV
2774get_fdlimit ()
2775 CODE:
2776#if HAVE_RLIMITS
2777 struct rlimit rl;
2778 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2779 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2780#endif
2781 XSRETURN_UNDEF;
2782 OUTPUT:
2783 RETVAL
2784
2785void
2786min_fdlimit (UV limit = 0x7fffffffU)
2787 CODE:
2788{
2789#if HAVE_RLIMITS
2790 struct rlimit rl;
2791 rlim_t orig_rlim_max;
2792 UV bit;
2793
2794 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2795 goto fail;
2796
2797 if (rl.rlim_cur == RLIM_INFINITY)
2798 XSRETURN_YES;
2799
2800 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2801
2802 if (rl.rlim_cur < limit)
2803 {
2804 rl.rlim_cur = limit;
2805
2806 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2807 rl.rlim_max = rl.rlim_cur;
2808 }
2809
2810 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2811 XSRETURN_YES;
2812
2813 if (errno == EPERM)
2814 {
2815 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2816 /* our limit overflows a system-wide limit */
2817 /* try an adaptive algorithm, but do not lower the hardlimit */
2818 rl.rlim_max = 0;
2819 for (bit = 0x40000000U; bit; bit >>= 1)
2820 {
2821 rl.rlim_max |= bit;
2822 rl.rlim_cur = rl.rlim_max;
2823
2824 /* never decrease the hard limit */
2825 if (rl.rlim_max < orig_rlim_max)
2826 break;
2827
2828 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2829 rl.rlim_max &= ~bit; /* too high, remove bit again */
2830 }
2831
2832 /* now, raise the soft limit to the max permitted */
2833 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2834 {
2835 rl.rlim_cur = rl.rlim_max;
2836 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2837 errno = EPERM;
2838 }
2839 }
2840#endif
2841 fail:
2842 XSRETURN_UNDEF;
2843}
1699 2844
1700void _on_next_submit (SV *cb) 2845void _on_next_submit (SV *cb)
1701 CODE: 2846 CODE:
1702 SvREFCNT_dec (on_next_submit); 2847 SvREFCNT_dec (on_next_submit);
1703 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2848 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1704 2849
1705PROTOTYPES: DISABLE 2850PROTOTYPES: DISABLE
1706 2851
2852MODULE = IO::AIO PACKAGE = IO::AIO::WD
2853
2854BOOT:
2855{
2856 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2857 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2858}
2859
2860void
2861DESTROY (SV *self)
2862 CODE:
2863{
2864 aio_wd wd = SvAIO_WD (self);
2865#if HAVE_AT
2866 {
2867 SV *callback = &PL_sv_undef;
2868 dREQ; /* clobbers next_pri :/ */
2869 next_pri = req->pri; /* restore next_pri */
2870 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2871 req->type = EIO_WD_CLOSE;
2872 req->wd = wd;
2873 REQ_SEND;
2874 }
2875#else
2876 eio_wd_close_sync (wd);
2877#endif
2878}
2879
1707MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2880MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1708 2881
1709void 2882void
1710cancel (aio_req_ornot req) 2883cancel (aio_req_ornot req)
1711 CODE: 2884 CODE:
1712 eio_cancel (req); 2885 eio_cancel (req);
1713 2886
1714void 2887void
1715cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2888cb (aio_req_ornot req, SV *callback = NO_INIT)
1716 PPCODE: 2889 PPCODE:
1717{ 2890{
1718 if (GIMME_V != G_VOID) 2891 if (GIMME_V != G_VOID)
1719 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2892 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1720 2893
1721 if (items > 1) 2894 if (items > 1)
1722 { 2895 {
1723 SV *cb_cv =get_cb (callback); 2896 SV *cb_cv = get_cb (callback);
1724 2897
1725 SvREFCNT_dec (req->callback); 2898 SvREFCNT_dec (req->callback);
1726 req->callback = SvREFCNT_inc (cb_cv); 2899 req->callback = SvREFCNT_inc (cb_cv);
1727 } 2900 }
1728} 2901}
… …
1785limit (aio_req grp, int limit) 2958limit (aio_req grp, int limit)
1786 CODE: 2959 CODE:
1787 eio_grp_limit (grp, limit); 2960 eio_grp_limit (grp, limit);
1788 2961
1789void 2962void
1790feed (aio_req grp, SV *callback=&PL_sv_undef) 2963feed (aio_req grp, SV *callback = &PL_sv_undef)
1791 CODE: 2964 CODE:
1792{ 2965{
1793 SvREFCNT_dec (grp->sv2); 2966 SvREFCNT_dec (grp->sv2);
1794 grp->sv2 = newSVsv (callback); 2967 grp->sv2 = newSVsv (callback);
1795 grp->feed = aio_grp_feed; 2968 grp->feed = aio_grp_feed;

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