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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.183 by root, Tue Jul 5 09:24:11 2011 UTC vs.
Revision 1.287 by root, Tue Dec 29 15:28:02 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 <sys/wait.h>
90 #include <unistd.h>
91 #include <utime.h>
92 #include <signal.h>
93
94 #define EIO_STRUCT_STAT Stat_t
95
94#endif 96#endif
95 97
96/*****************************************************************************/ 98/*****************************************************************************/
97 99
98#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
106 108
107/*****************************************************************************/ 109/*****************************************************************************/
108 110
111#include "config.h"
112
113#if HAVE_SYS_MKDEV_H
114# include <sys/mkdev.h>
115#elif HAVE_SYS_SYSMACROS_H
116# include <sys/sysmacros.h>
117#endif
118
119#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
120# include <sys/mman.h>
121#endif
122
123#if HAVE_SYS_UIO_H
124# include <sys/uio.h>
125#endif
126
127#if HAVE_ST_XTIMENSEC
128# define ATIMENSEC PL_statcache.st_atimensec
129# define MTIMENSEC PL_statcache.st_mtimensec
130# define CTIMENSEC PL_statcache.st_ctimensec
131#elif HAVE_ST_XTIMESPEC
132# define ATIMENSEC PL_statcache.st_atim.tv_nsec
133# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
134# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
135#else
136# define ATIMENSEC 0
137# define MTIMENSEC 0
138# define CTIMENSEC 0
139#endif
140
141#if HAVE_ST_BIRTHTIMENSEC
142# define BTIMESEC PL_statcache.st_birthtime
143# define BTIMENSEC PL_statcache.st_birthtimensec
144#elif HAVE_ST_BIRTHTIMESPEC
145# define BTIMESEC PL_statcache.st_birthtim.tv_sec
146# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
147#else
148# define BTIMESEC 0
149# define BTIMENSEC 0
150#endif
151
152#if HAVE_ST_GEN
153# define ST_GEN PL_statcache.st_gen
154#else
155# define ST_GEN 0
156#endif
157
158#include "schmorp.h"
159
160#if HAVE_EVENTFD
161# include <sys/eventfd.h>
162#endif
163
164#if HAVE_TIMERFD
165# include <sys/timerfd.h>
166#endif
167
168#if HAVE_RLIMITS
169 #include <sys/time.h>
170 #include <sys/resource.h>
171#endif
172
109typedef SV SV8; /* byte-sv, used for argument-checking */ 173typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 174typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 175typedef int aio_wfd; /* write file descriptor */
112 176
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 177static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 178
115#define EIO_REQ_MEMBERS \ 179#define EIO_REQ_MEMBERS \
116 SV *callback; \ 180 SV *callback; \
117 SV *sv1, *sv2; \ 181 SV *sv1, *sv2; \
182 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 183 STRLEN stroffset; \
119 SV *self; 184 SV *self;
120 185
121#define EIO_NO_WRAPPERS 1 186#define EIO_NO_WRAPPERS 1
122 187
123#include "libeio/config.h"
124#include "libeio/eio.h" 188#include "libeio/eio.h"
125 189
126/* Linux/others */ 190static int req_invoke (eio_req *req);
127#ifndef O_ASYNC 191#define EIO_FINISH(req) req_invoke (req)
128# define O_ASYNC 0 192static void req_destroy (eio_req *grp);
129#endif 193#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
136 194
137/* POSIX */ 195#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
190 196
191#if !HAVE_POSIX_FADVISE 197#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 198# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif 199#endif
194 200
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 201#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 202# 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 203#endif
283 204
284#ifndef MAP_ANONYMOUS 205#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON 206# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON 207# define MAP_ANONYMOUS MAP_ANON
287# else 208# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif 210# endif
290#endif 211#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
306 212
307#ifndef makedev 213#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min)) 214# define makedev(maj,min) (((maj) << 8) | (min))
309#endif 215#endif
310#ifndef major 216#ifndef major
… …
312#endif 218#endif
313#ifndef minor 219#ifndef minor
314# define minor(dev) ((dev) & 0xff) 220# define minor(dev) ((dev) & 0xff)
315#endif 221#endif
316 222
223/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
224#ifdef __sun
317#ifndef PAGESIZE 225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
318# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
319#endif 230#endif
320 231
321static int req_invoke (eio_req *req); 232#if HAVE_SYSCALL
322#define EIO_FINISH(req) req_invoke (req) 233#include <sys/syscall.h>
323static void req_destroy (eio_req *grp); 234#else
324#define EIO_DESTROY(req) req_destroy (req) 235# define syscall(nr,...) (errno = ENOSYS, -1)
236#endif
237
238/*****************************************************************************/
239
240#if !_POSIX_MAPPED_FILES
241# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
242# define munmap(addr,length) EIO_ENOSYS ()
243#endif
244
245#if !_POSIX_MEMORY_PROTECTION
246# define mprotect(addr,len,prot) EIO_ENOSYS ()
247#endif
248
249#if !MREMAP_MAYMOVE
250# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
251#endif
252
253#define FOREIGN_MAGIC PERL_MAGIC_ext
254
255static int ecb_cold
256mmap_free (pTHX_ SV *sv, MAGIC *mg)
257{
258 int old_errno = errno;
259 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
260 errno = old_errno;
261
262 mg->mg_obj = 0; /* just in case */
263
264 SvREADONLY_off (sv);
265
266 if (SvPVX (sv) != mg->mg_ptr)
267 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
268
269 SvCUR_set (sv, 0);
270 SvPVX (sv) = 0;
271 SvOK_off (sv);
272
273 return 0;
274}
275
276static MGVTBL mmap_vtbl = {
277 0, 0, 0, 0, mmap_free
278};
279
280static int ecb_cold
281sysfree_free (pTHX_ SV *sv, MAGIC *mg)
282{
283 free (mg->mg_ptr);
284 mg->mg_obj = 0; /* just in case */
285
286 SvREADONLY_off (sv);
287
288 if (SvPVX (sv) != mg->mg_ptr)
289 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
290
291 SvCUR_set (sv, 0);
292 SvPVX (sv) = 0;
293 SvOK_off (sv);
294
295 return 0;
296}
297
298static MGVTBL sysfree_vtbl = {
299 0, 0, 0, 0, sysfree_free
300};
301
302/*****************************************************************************/
303
304/* helper: set scalar to foreign ptr with custom free */
305ecb_noinline
306static void
307sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
308{
309 sv_force_normal (sv);
310
311 /* we store the length in mg_obj, as namlen is I32 :/ */
312 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
313 ->mg_obj = (SV *)length;
314
315 SvUPGRADE (sv, SVt_PV); /* nop... */
316
317 if (SvLEN (sv))
318 Safefree (SvPVX (sv));
319
320 SvPVX (sv) = (char *)addr;
321 SvCUR_set (sv, length);
322 SvLEN_set (sv, 0);
323 SvPOK_only (sv);
324}
325
326static void
327sv_clear_foreign (SV *sv)
328{
329 /* todo: iterate over magic and only free ours, but of course */
330 /* the perl5porters will call that (correct) behaviour buggy */
331 sv_unmagic (sv, FOREIGN_MAGIC);
332}
333
334/*****************************************************************************/
335
336/* defines all sorts of constants to 0 unless they are already defined */
337/* also provides const_iv_ and const_niv_ macros for them */
338#include "def0.h"
339
340/*****************************************************************************/
341
342static void
343fiemap (eio_req *req)
344{
345 req->result = -1;
346
347#if HAVE_FIEMAP
348 /* assume some c99 */
349 struct fiemap *fiemap = 0;
350 size_t end_offset;
351 int count = req->int3;
352
353 req->flags |= EIO_FLAG_PTR1_FREE;
354
355 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
356 /* increase in fixed steps */
357 if (count < 0)
358 count = 8;
359
360 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
361 errno = ENOMEM;
362 if (!fiemap)
363 return;
364
365 req->ptr1 = fiemap;
366
367 fiemap->fm_start = req->offs;
368 fiemap->fm_length = req->size;
369 fiemap->fm_flags = req->int2;
370 fiemap->fm_extent_count = count;
371
372 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
373 return;
374
375 if (req->int3 >= 0 /* not autosizing */
376 || !fiemap->fm_mapped_extents /* no more extents */
377 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
378 goto done;
379
380 /* else we have to loop -
381 * it would be tempting (actually I tried that first) to just query the
382 * number of extents needed, but linux often feels like not returning all
383 * extents, without telling us it left any out. this complicates
384 * this quite a bit.
385 */
386
387 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
388
389 for (;;)
390 {
391 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
392 char scratch[3072];
393 struct fiemap *incmap = (struct fiemap *)scratch;
394
395 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
396 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
397 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
398 incmap->fm_flags = fiemap->fm_flags;
399 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
400
401 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
402 return;
403
404 if (!incmap->fm_mapped_extents)
405 goto done;
406
407 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
408 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
409 errno = ENOMEM;
410 if (!fiemap)
411 return;
412
413 req->ptr1 = fiemap;
414
415 for (count = 0; count < incmap->fm_mapped_extents; ++count)
416 {
417 struct fiemap_extent *e = incmap->fm_extents + count;
418
419 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
420
421 if (e->fe_logical >= end_offset)
422 goto done;
423
424 if (e->fe_flags & FIEMAP_EXTENT_LAST)
425 goto done;
426
427 }
428 }
429
430done:
431 req->result = 0;
432
433#else
434 errno = ENOSYS;
435#endif
436}
437
438/*****************************************************************************/
439
440static int close_fd; /* dummy fd to close fds via dup2 */
441
442#if HAVE_STATX
443static struct statx stx;
444#define statx_offsetof(member) offsetof (struct statx, member)
445#define eio__statx statx
446#else
447#define statx_offsetof(member) 0
448#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
449#endif
325 450
326enum { 451enum {
327 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 452 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328}; 453};
329 454
330#include "libeio/eio.c"
331
332typedef eio_req *aio_req; 455typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 456typedef eio_req *aio_req_ornot;
457typedef eio_wd aio_wd;
334 458
335static SV *on_next_submit; 459static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 460static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 461static int max_outstanding;
338 462
339static s_epipe respipe; 463static s_epipe respipe;
340 464
341static void req_destroy (aio_req req); 465static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 466static void req_cancel (aio_req req);
343 467
344static void want_poll (void) 468static void
469want_poll (void)
345{ 470{
346 /* write a dummy byte to the pipe so fh becomes ready */ 471 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 472 s_epipe_signal (&respipe);
348} 473}
349 474
350static void done_poll (void) 475static void
476done_poll (void)
351{ 477{
352 /* read any signals sent by the worker threads */ 478 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 479 s_epipe_drain (&respipe);
354} 480}
355 481
356/* must be called at most once */ 482/* must be called at most once */
483ecb_noinline
484static SV *
357static SV *req_sv (aio_req req, HV *stash) 485req_sv (aio_req req, HV *stash)
358{ 486{
359 if (!req->self) 487 if (!req->self)
360 { 488 {
361 req->self = (SV *)newHV (); 489 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 490 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 491 }
364 492
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 493 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 494}
367 495
368static aio_req SvAIO_REQ (SV *sv) 496static SV *
497newSVaio_wd (aio_wd wd)
498{
499 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
500}
501
502ecb_noinline
503static aio_req
504SvAIO_REQ (SV *sv)
369{ 505{
370 MAGIC *mg; 506 MAGIC *mg;
371 507
372 if (!SvROK (sv) 508 if (!SvROK (sv)
509 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 510 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 511 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 512 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 513 croak ("object of class IO::AIO::REQ expected");
377 514
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 515 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 516
380 return mg ? (aio_req)mg->mg_ptr : 0; 517 return mg ? (aio_req)mg->mg_ptr : 0;
381} 518}
382 519
520static aio_wd
521SvAIO_WD (SV *sv)
522{
523 if (!SvROK (sv)
524 || SvTYPE (SvRV (sv)) != SVt_PVMG
525 || SvSTASH (SvRV (sv)) != aio_wd_stash)
526 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
527
528 return (aio_wd)(long)SvIVX (SvRV (sv));
529}
530
531static SV *
532newmortalFH (int fd, int flags)
533{
534 if (fd < 0)
535 return &PL_sv_undef;
536
537 GV *gv = (GV *)sv_newmortal ();
538 char sym[64];
539 int symlen;
540
541 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
542 gv_init (gv, aio_stash, sym, symlen, 0);
543
544 symlen = snprintf (
545 sym,
546 sizeof (sym),
547 "%s&=%d",
548 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
549 fd
550 );
551
552 return do_open (gv, sym, symlen, 0, 0, 0, 0)
553 ? (SV *)gv : &PL_sv_undef;
554}
555
556static void
383static void aio_grp_feed (aio_req grp) 557aio_grp_feed (aio_req grp)
384{ 558{
385 if (grp->sv2 && SvOK (grp->sv2)) 559 if (grp->sv2 && SvOK (grp->sv2))
386 { 560 {
387 dSP; 561 dSP;
388 562
… …
396 FREETMPS; 570 FREETMPS;
397 LEAVE; 571 LEAVE;
398 } 572 }
399} 573}
400 574
575ecb_noinline
576static void
401static void req_submit (eio_req *req) 577req_submit (eio_req *req)
402{ 578{
403 eio_submit (req); 579 eio_submit (req);
404 580
405 if (expect_false (on_next_submit)) 581 if (expect_false (on_next_submit))
406 { 582 {
… …
413 PUTBACK; 589 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 590 call_sv (cb, G_DISCARD | G_EVAL);
415 } 591 }
416} 592}
417 593
594static int
418static int req_invoke (eio_req *req) 595req_invoke (eio_req *req)
419{ 596{
420 if (req->flags & FLAG_SV2_RO_OFF) 597 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 598 SvREADONLY_off (req->sv2);
422 599
423 if (!EIO_CANCELLED (req) && req->callback) 600 if (!EIO_CANCELLED (req) && req->callback)
… …
444 SvREADONLY_on (sv_result); 621 SvREADONLY_on (sv_result);
445 } 622 }
446 623
447 switch (req->type) 624 switch (req->type)
448 { 625 {
626 case EIO_WD_OPEN:
627 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
628 break;
629
449 case EIO_READDIR: 630 case EIO_READDIR:
450 { 631 {
451 SV *rv = &PL_sv_undef; 632 SV *rv = &PL_sv_undef;
452 633
453 if (req->result >= 0) 634 if (req->result >= 0)
… …
506 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 687 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
507 } 688 }
508 break; 689 break;
509 690
510 case EIO_OPEN: 691 case EIO_OPEN:
511 { 692 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; 693 break;
540 694
541 case EIO_STATVFS: 695 case EIO_STATVFS:
542 case EIO_FSTATVFS: 696 case EIO_FSTATVFS:
543 { 697 {
544 SV *rv = &PL_sv_undef; 698 SV *rv = &PL_sv_undef;
545 699
700#ifndef _WIN32
546 if (req->result >= 0) 701 if (req->result >= 0)
547 { 702 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 703 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV (); 704 HV *hv = newHV ();
705 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
706 * chooses to make it a struct.
707 */
708 unsigned long fsid = 0;
709 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550 710
551 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 711 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552 712
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 713 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); 714 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); 716 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); 717 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); 718 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); 719 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); 720 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); 721 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 722 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); 723 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 } 724 }
725#endif
565 726
566 PUSHs (rv); 727 PUSHs (rv);
567 } 728 }
568 729
569 break; 730 break;
… …
593 break; 754 break;
594 755
595 case EIO_STAT: 756 case EIO_STAT:
596 case EIO_LSTAT: 757 case EIO_LSTAT:
597 case EIO_FSTAT: 758 case EIO_FSTAT:
598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 759 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
760
599 PL_laststatval = req->result; 761 if (!(PL_laststatval = req->result))
762 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 763 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
764
601 PUSHs (sv_result); 765 PUSHs (sv_result);
766 break;
767
768 case EIO_SEEK:
769 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
602 break; 770 break;
603 771
604 case EIO_READ: 772 case EIO_READ:
605 { 773 {
606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 774 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
609 SvSETMAGIC (req->sv2); 777 SvSETMAGIC (req->sv2);
610 PUSHs (sv_result); 778 PUSHs (sv_result);
611 } 779 }
612 break; 780 break;
613 781
782 case EIO_SLURP:
783 {
784 if (req->result >= 0)
785 {
786 /* if length was originally not known, we steal the malloc'ed memory */
787 if (req->flags & EIO_FLAG_PTR2_FREE)
788 {
789 req->flags &= ~EIO_FLAG_PTR2_FREE;
790 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
791 }
792 else
793 {
794 SvCUR_set (req->sv2, req->result);
795 *SvEND (req->sv2) = 0;
796 SvPOK_only (req->sv2);
797 }
798
799 SvSETMAGIC (req->sv2);
800 }
801
802 PUSHs (sv_result);
803 }
804 break;
805
806 case EIO_CUSTOM:
807 if (req->feed == fiemap)
808 {
809#if HAVE_FIEMAP
810 if (!req->result)
811 {
812 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
813
814 if (fiemap->fm_extent_count)
815 {
816 AV *av = newAV ();
817 int i;
818
819 while (fiemap->fm_mapped_extents)
820 {
821 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
822 AV *ext_av = newAV ();
823
824 av_store (ext_av, 3, newSVuv (extent->fe_flags));
825 av_store (ext_av, 2, newSVval64 (extent->fe_length));
826 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
827 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
828
829 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
830 }
831
832 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
833 }
834 else
835 {
836 SvIV_set (sv_result, fiemap->fm_mapped_extents);
837 PUSHs (sv_result);
838 }
839 }
840#endif
841 }
842 else
843 PUSHs (sv_result);
844 break;
845
846#if 0
847 case EIO_CLOSE:
848 PerlIOUnix_refcnt_dec (req->int1);
849 break;
850#endif
851
614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 852 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
615 if (req->result > 0) 853 if (req->result > 0)
616 SvIV_set (sv_result, 0); 854 SvIV_set (sv_result, 0);
617 /* FALLTHROUGH */ 855 /* FALLTHROUGH */
618 856
… …
639 } 877 }
640 878
641 return !!SvTRUE (ERRSV); 879 return !!SvTRUE (ERRSV);
642} 880}
643 881
882static void
644static void req_destroy (aio_req req) 883req_destroy (aio_req req)
645{ 884{
646 if (req->self) 885 if (req->self)
647 { 886 {
648 sv_unmagic (req->self, PERL_MAGIC_ext); 887 sv_unmagic (req->self, PERL_MAGIC_ext);
649 SvREFCNT_dec (req->self); 888 SvREFCNT_dec (req->self);
650 } 889 }
651 890
652 SvREFCNT_dec (req->sv1); 891 SvREFCNT_dec (req->sv1);
653 SvREFCNT_dec (req->sv2); 892 SvREFCNT_dec (req->sv2);
893 SvREFCNT_dec (req->sv3);
894 SvREFCNT_dec (req->sv4);
654 SvREFCNT_dec (req->callback); 895 SvREFCNT_dec (req->callback);
655 896
656 Safefree (req); 897 free (req);
657} 898}
658 899
900static void
659static void req_cancel_subs (aio_req grp) 901req_cancel_subs (aio_req grp)
660{ 902{
661 aio_req sub;
662
663 if (grp->type != EIO_GROUP) 903 if (grp->type != EIO_GROUP)
664 return; 904 return;
665 905
666 SvREFCNT_dec (grp->sv2); 906 SvREFCNT_dec (grp->sv2);
667 grp->sv2 = 0; 907 grp->sv2 = 0;
668 908
669 eio_grp_cancel (grp); 909 eio_grp_cancel (grp);
670} 910}
671 911
912ecb_cold
672static void 913static void
673create_respipe (void) 914create_respipe (void)
674{ 915{
675 if (s_epipe_renew (&respipe)) 916 if (s_epipe_renew (&respipe))
676 croak ("IO::AIO: unable to initialize result pipe"); 917 croak ("IO::AIO: unable to initialize result pipe");
677} 918}
678 919
679static void poll_wait (void) 920static void
921poll_wait (void)
680{ 922{
681 while (eio_nreqs ()) 923 while (eio_nreqs ())
682 { 924 {
683 int size; 925 int size;
684 926
685 X_LOCK (reslock); 927 X_LOCK (EIO_POOL->reslock);
686 size = res_queue.size; 928 size = EIO_POOL->res_queue.size;
687 X_UNLOCK (reslock); 929 X_UNLOCK (EIO_POOL->reslock);
688 930
689 if (size) 931 if (size)
690 return; 932 return;
691 933
692 etp_maybe_start_thread (); 934 etp_maybe_start_thread (EIO_POOL);
693 935
694 s_epipe_wait (&respipe); 936 s_epipe_wait (&respipe);
695 } 937 }
696} 938}
697 939
698static int poll_cb (void) 940static int
941poll_cb (void)
699{ 942{
700 for (;;) 943 for (;;)
701 { 944 {
702 int res = eio_poll (); 945 int res = eio_poll ();
703 946
… …
709 952
710 poll_wait (); 953 poll_wait ();
711 } 954 }
712} 955}
713 956
714static void atfork_child (void) 957ecb_cold
958static void
959reinit (void)
715{ 960{
716 create_respipe (); 961 create_respipe ();
717}
718 962
719/*****************************************************************************/ 963 if (eio_init (want_poll, done_poll) < 0)
720 964 croak ("IO::AIO: unable to initialise eio library");
721#if !_POSIX_MAPPED_FILES
722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
723# define munmap(addr,length) (errno = ENOSYS, -1)
724#endif
725
726#if !_POSIX_MEMORY_PROTECTION
727# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
728# define PROT_NONE 0
729# define PROT_WRITE 0
730# define MAP_PRIVATE 0
731# define MAP_SHARED 0
732# define MAP_FIXED 0
733#endif
734
735#define MMAP_MAGIC PERL_MAGIC_ext
736
737static int
738mmap_free (pTHX_ SV *sv, MAGIC *mg)
739{
740 int old_errno = errno;
741 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742 errno = old_errno;
743
744 mg->mg_obj = 0; /* just in case */
745
746 SvREADONLY_off (sv);
747
748 if (SvPVX (sv) != mg->mg_ptr)
749 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
751 SvCUR_set (sv, 0);
752 SvPVX (sv) = 0;
753 SvOK_off (sv);
754
755 return 0;
756} 965}
757
758static MGVTBL mmap_vtbl = {
759 0, 0, 0, 0, mmap_free
760};
761 966
762/*****************************************************************************/ 967/*****************************************************************************/
763 968
764static SV * 969static SV *
765get_cb (SV *cb_sv) 970get_cb (SV *cb_sv)
766{ 971{
767 SvGETMAGIC (cb_sv); 972 SvGETMAGIC (cb_sv);
768 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 973 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
769} 974}
770 975
976ecb_noinline
977static aio_req ecb_noinline
978dreq (SV *callback)
979{
980 SV *cb_cv;
981 aio_req req;
982 int req_pri = next_pri;
983 next_pri = EIO_PRI_DEFAULT;
984
985 cb_cv = get_cb (callback);
986
987 req = calloc (sizeof (*req), 1);
988 if (!req)
989 croak ("out of memory during eio_req allocation");
990
991 req->callback = SvREFCNT_inc (cb_cv);
992 req->pri = req_pri;
993
994 return req;
995}
996
771#define dREQ \ 997#define dREQ \
772 SV *cb_cv; \ 998 aio_req req = dreq (callback); \
773 aio_req req; \
774 int req_pri = next_pri; \
775 next_pri = EIO_PRI_DEFAULT; \
776 \
777 cb_cv = get_cb (callback); \
778 \
779 Newz (0, req, 1, eio_req); \
780 if (!req) \
781 croak ("out of memory during eio_req allocation"); \
782 \
783 req->callback = SvREFCNT_inc (cb_cv); \
784 req->pri = req_pri
785 999
786#define REQ_SEND \ 1000#define REQ_SEND \
787 PUTBACK; \ 1001 PUTBACK; \
788 req_submit (req); \ 1002 req_submit (req); \
789 SPAGAIN; \ 1003 SPAGAIN; \
790 \ 1004 \
791 if (GIMME_V != G_VOID) \ 1005 if (GIMME_V != G_VOID) \
792 XPUSHs (req_sv (req, aio_req_stash)); 1006 XPUSHs (req_sv (req, aio_req_stash));
793 1007
1008/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1009ecb_inline
1010void
1011req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1012{
1013 if (expect_false (SvROK (path)))
1014 {
1015 SV *rv = SvRV (path);
1016 SV *wdob;
1017
1018 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1019 {
1020 path = AvARRAY (rv)[1];
1021 wdob = AvARRAY (rv)[0];
1022
1023 if (SvOK (wdob))
1024 {
1025 *wd = SvAIO_WD (wdob);
1026 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1027 }
1028 else
1029 *wd = EIO_INVALID_WD;
1030 }
1031 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1032 {
1033 *wd = (aio_wd)(long)SvIVX (rv);
1034 *wdsv = SvREFCNT_inc_NN (rv);
1035 *ptr = ".";
1036 return; /* path set to "." */
1037 }
1038 else
1039 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1040 }
1041
1042 *pathsv = newSVsv (path);
1043 *ptr = SvPVbyte_nolen (*pathsv);
1044}
1045
1046ecb_noinline
1047static void
1048req_set_path1 (aio_req req, SV *path)
1049{
1050 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1051}
1052
1053ecb_noinline
1054static void
1055req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1056{
1057 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1058
1059 switch (SvTYPE (rv))
1060 {
1061 case SVt_PVIO:
1062 case SVt_PVLV:
1063 case SVt_PVGV:
1064 req->type = type_fh;
1065 req->sv1 = newSVsv (fh_or_path);
1066 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1067 break;
1068
1069 default:
1070 req->type = type_path;
1071 req_set_path1 (req, fh_or_path);
1072 break;
1073 }
1074}
1075
1076/*****************************************************************************/
1077
1078static void
1079ts_set (struct timespec *ts, NV value)
1080{
1081 ts->tv_sec = value;
1082 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1083}
1084
1085static NV
1086ts_get (const struct timespec *ts)
1087{
1088 return ts->tv_sec + ts->tv_nsec * 1e-9;
1089}
1090
1091/*****************************************************************************/
1092
1093XS(boot_IO__AIO) ecb_cold;
1094
794MODULE = IO::AIO PACKAGE = IO::AIO 1095MODULE = IO::AIO PACKAGE = IO::AIO
795 1096
796PROTOTYPES: ENABLE 1097PROTOTYPES: ENABLE
797 1098
798BOOT: 1099BOOT:
… …
802 IV iv; 1103 IV iv;
803 } *civ, const_iv[] = { 1104 } *civ, const_iv[] = {
804# define const_niv(name, value) { # name, (IV) value }, 1105# define const_niv(name, value) { # name, (IV) value },
805# define const_iv(name) { # name, (IV) name }, 1106# define const_iv(name) { # name, (IV) name },
806# define const_eio(name) { # name, (IV) EIO_ ## name }, 1107# define const_eio(name) { # name, (IV) EIO_ ## name },
1108
1109 /* you have to re-run ./gendef0 after adding/removing any constants here */
1110 /* the first block can be undef if missing */
1111 const_iv (ENOSYS)
807 const_iv (EXDEV) 1112 const_iv (EXDEV)
808 const_iv (ENOSYS) 1113 const_iv (EBADR)
1114
1115 /* for lseek */
1116 const_iv (SEEK_DATA)
1117 const_iv (SEEK_HOLE)
1118
1119 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1120 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1121 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1122 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1123 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1124 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1125
1126 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1127 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1128 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1129 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1130 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1131
1132 /* the second block will be 0 when missing */
1133 const_iv (O_ACCMODE)
1134
809 const_iv (O_RDONLY) 1135 const_iv (O_RDONLY)
810 const_iv (O_WRONLY) 1136 const_iv (O_WRONLY)
811 const_iv (O_RDWR) 1137 const_iv (O_RDWR)
812 const_iv (O_CREAT) 1138 const_iv (O_CREAT)
813 const_iv (O_TRUNC) 1139 const_iv (O_TRUNC)
… …
826 const_iv (O_SEARCH) 1152 const_iv (O_SEARCH)
827 const_iv (O_DIRECTORY) 1153 const_iv (O_DIRECTORY)
828 const_iv (O_DSYNC) 1154 const_iv (O_DSYNC)
829 const_iv (O_RSYNC) 1155 const_iv (O_RSYNC)
830 const_iv (O_SYNC) 1156 const_iv (O_SYNC)
1157 const_iv (O_PATH)
1158 const_iv (O_TMPFILE)
831 const_iv (O_TTY_INIT) 1159 const_iv (O_TTY_INIT)
832 1160
833 const_iv (S_IFIFO) 1161 const_iv (S_IFIFO)
834 const_iv (S_IFCHR) 1162 const_iv (S_IFCHR)
835 const_iv (S_IFBLK) 1163 const_iv (S_IFBLK)
… …
837 const_iv (S_IFREG) 1165 const_iv (S_IFREG)
838 const_iv (S_IFDIR) 1166 const_iv (S_IFDIR)
839 const_iv (S_IFWHT) 1167 const_iv (S_IFWHT)
840 const_iv (S_IFSOCK) 1168 const_iv (S_IFSOCK)
841 const_iv (S_IFMT) 1169 const_iv (S_IFMT)
842
843 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
844 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
845 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
846 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
847 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
848 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
849
850 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
851 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
852 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
853 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
854 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
855 1170
856 const_iv (ST_RDONLY) 1171 const_iv (ST_RDONLY)
857 const_iv (ST_NOSUID) 1172 const_iv (ST_NOSUID)
858 const_iv (ST_NODEV) 1173 const_iv (ST_NODEV)
859 const_iv (ST_NOEXEC) 1174 const_iv (ST_NOEXEC)
… …
869 const_iv (PROT_NONE) 1184 const_iv (PROT_NONE)
870 const_iv (PROT_EXEC) 1185 const_iv (PROT_EXEC)
871 const_iv (PROT_READ) 1186 const_iv (PROT_READ)
872 const_iv (PROT_WRITE) 1187 const_iv (PROT_WRITE)
873 1188
874 /*const_iv (MAP_FIXED)*/
875 const_iv (MAP_PRIVATE) 1189 const_iv (MAP_PRIVATE)
876 const_iv (MAP_SHARED) 1190 const_iv (MAP_SHARED)
1191 const_iv (MAP_FIXED)
877 const_iv (MAP_ANONYMOUS) 1192 const_iv (MAP_ANONYMOUS)
878 1193
879 /* linuxish */ 1194 /* linuxish */
880 const_iv (MAP_HUGETLB)
881 const_iv (MAP_LOCKED) 1195 const_iv (MAP_LOCKED)
882 const_iv (MAP_NORESERVE) 1196 const_iv (MAP_NORESERVE)
883 const_iv (MAP_POPULATE) 1197 const_iv (MAP_POPULATE)
884 const_iv (MAP_NONBLOCK) 1198 const_iv (MAP_NONBLOCK)
1199 const_iv (MAP_GROWSDOWN)
1200 const_iv (MAP_32BIT)
1201 const_iv (MAP_HUGETLB)
1202 const_iv (MAP_STACK)
1203
1204 const_iv (MREMAP_MAYMOVE)
1205 const_iv (MREMAP_FIXED)
1206
1207 const_iv (MSG_CMSG_CLOEXEC)
1208 const_iv (SOCK_CLOEXEC)
1209
1210 const_iv (F_DUPFD_CLOEXEC)
1211
1212 const_iv (F_ADD_SEALS)
1213 const_iv (F_GET_SEALS)
1214 const_iv (F_SEAL_SEAL)
1215 const_iv (F_SEAL_SHRINK)
1216 const_iv (F_SEAL_GROW)
1217 const_iv (F_SEAL_WRITE)
1218
1219 const_iv (F_OFD_GETLK)
1220 const_iv (F_OFD_SETLK)
1221 const_iv (F_OFD_GETLKW)
1222
1223 const_iv (FIFREEZE)
1224 const_iv (FITHAW)
1225 const_iv (FITRIM)
1226 const_iv (FICLONE)
1227 const_iv (FICLONERANGE)
1228 const_iv (FIDEDUPERANGE)
1229
1230 const_iv (FS_IOC_GETFLAGS)
1231 const_iv (FS_IOC_SETFLAGS)
1232 const_iv (FS_IOC_GETVERSION)
1233 const_iv (FS_IOC_SETVERSION)
1234 const_iv (FS_IOC_FIEMAP)
1235 const_iv (FS_IOC_FSGETXATTR)
1236 const_iv (FS_IOC_FSSETXATTR)
1237 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1238 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1239 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1240
1241 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1242
1243 const_iv (FS_SECRM_FL)
1244 const_iv (FS_UNRM_FL)
1245 const_iv (FS_COMPR_FL)
1246 const_iv (FS_SYNC_FL)
1247 const_iv (FS_IMMUTABLE_FL)
1248 const_iv (FS_APPEND_FL)
1249 const_iv (FS_NODUMP_FL)
1250 const_iv (FS_NOATIME_FL)
1251 const_iv (FS_DIRTY_FL)
1252 const_iv (FS_COMPRBLK_FL)
1253 const_iv (FS_NOCOMP_FL)
1254 const_iv (FS_ENCRYPT_FL)
1255 const_iv (FS_BTREE_FL)
1256 const_iv (FS_INDEX_FL)
1257 const_iv (FS_JOURNAL_DATA_FL)
1258 const_iv (FS_NOTAIL_FL)
1259 const_iv (FS_DIRSYNC_FL)
1260 const_iv (FS_TOPDIR_FL)
1261 const_iv (FS_FL_USER_MODIFIABLE)
1262
1263 const_iv (FS_XFLAG_REALTIME)
1264 const_iv (FS_XFLAG_PREALLOC)
1265 const_iv (FS_XFLAG_IMMUTABLE)
1266 const_iv (FS_XFLAG_APPEND)
1267 const_iv (FS_XFLAG_SYNC)
1268 const_iv (FS_XFLAG_NOATIME)
1269 const_iv (FS_XFLAG_NODUMP)
1270 const_iv (FS_XFLAG_RTINHERIT)
1271 const_iv (FS_XFLAG_PROJINHERIT)
1272 const_iv (FS_XFLAG_NOSYMLINKS)
1273 const_iv (FS_XFLAG_EXTSIZE)
1274 const_iv (FS_XFLAG_EXTSZINHERIT)
1275 const_iv (FS_XFLAG_NODEFRAG)
1276 const_iv (FS_XFLAG_FILESTREAM)
1277 const_iv (FS_XFLAG_DAX)
1278 const_iv (FS_XFLAG_HASATTR)
1279
1280 const_iv (FIEMAP_FLAG_SYNC)
1281 const_iv (FIEMAP_FLAG_XATTR)
1282 const_iv (FIEMAP_FLAGS_COMPAT)
1283 const_iv (FIEMAP_EXTENT_LAST)
1284 const_iv (FIEMAP_EXTENT_UNKNOWN)
1285 const_iv (FIEMAP_EXTENT_DELALLOC)
1286 const_iv (FIEMAP_EXTENT_ENCODED)
1287 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1288 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1289 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1290 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1291 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1292 const_iv (FIEMAP_EXTENT_MERGED)
1293 const_iv (FIEMAP_EXTENT_SHARED)
1294
1295 const_iv (SPLICE_F_MOVE)
1296 const_iv (SPLICE_F_NONBLOCK)
1297 const_iv (SPLICE_F_MORE)
1298 const_iv (SPLICE_F_GIFT)
1299
1300 const_iv (EFD_CLOEXEC)
1301 const_iv (EFD_NONBLOCK)
1302 const_iv (EFD_SEMAPHORE)
1303
1304 const_iv (MFD_CLOEXEC)
1305 const_iv (MFD_ALLOW_SEALING)
1306 const_iv (MFD_HUGETLB)
1307
1308 const_iv (CLOCK_REALTIME)
1309 const_iv (CLOCK_MONOTONIC)
1310 const_iv (CLOCK_BOOTTIME)
1311 const_iv (CLOCK_REALTIME_ALARM)
1312 const_iv (CLOCK_BOOTTIME_ALARM)
1313
1314 const_iv (TFD_NONBLOCK)
1315 const_iv (TFD_CLOEXEC)
1316
1317 const_iv (TFD_TIMER_ABSTIME)
1318 const_iv (TFD_TIMER_CANCEL_ON_SET)
1319
1320 const_iv (STATX_TYPE)
1321 const_iv (STATX_MODE)
1322 const_iv (STATX_NLINK)
1323 const_iv (STATX_UID)
1324 const_iv (STATX_GID)
1325 const_iv (STATX_ATIME)
1326 const_iv (STATX_MTIME)
1327 const_iv (STATX_CTIME)
1328 const_iv (STATX_INO)
1329 const_iv (STATX_SIZE)
1330 const_iv (STATX_BLOCKS)
1331 const_iv (STATX_BASIC_STATS)
1332 const_iv (STATX_ALL)
1333 const_iv (STATX_BTIME)
1334 const_iv (STATX_ATTR_COMPRESSED)
1335 const_iv (STATX_ATTR_IMMUTABLE)
1336 const_iv (STATX_ATTR_APPEND)
1337 const_iv (STATX_ATTR_NODUMP)
1338 const_iv (STATX_ATTR_ENCRYPTED)
1339 const_iv (STATX_ATTR_AUTOMOUNT)
1340
1341 const_iv (AT_FDCWD)
1342 const_iv (AT_SYMLINK_NOFOLLOW)
1343 const_iv (AT_EACCESS)
1344 const_iv (AT_REMOVEDIR)
1345 const_iv (AT_SYMLINK_FOLLOW)
1346 const_iv (AT_NO_AUTOMOUNT)
1347 const_iv (AT_EMPTY_PATH)
1348 const_iv (AT_STATX_SYNC_TYPE)
1349 const_iv (AT_STATX_AS_STAT)
1350 const_iv (AT_STATX_FORCE_SYNC)
1351 const_iv (AT_STATX_DONT_SYNC)
1352 const_iv (AT_RECURSIVE)
1353
1354 const_iv (OPEN_TREE_CLONE)
1355
1356 const_iv (FSOPEN_CLOEXEC)
1357
1358 const_iv (FSPICK_CLOEXEC)
1359 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1360 const_iv (FSPICK_NO_AUTOMOUNT)
1361 const_iv (FSPICK_EMPTY_PATH)
1362
1363 const_iv (MOVE_MOUNT_F_SYMLINKS)
1364 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1365 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1366 const_iv (MOVE_MOUNT_T_SYMLINKS)
1367 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1368 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1369
1370 /* waitid */
1371 const_iv (P_PID)
1372 const_iv (P_PIDFD)
1373 const_iv (P_PGID)
1374 const_iv (P_ALL)
1375
1376 /* these are libeio constants, and are independent of gendef0 */
1377 const_eio (SEEK_SET)
1378 const_eio (SEEK_CUR)
1379 const_eio (SEEK_END)
885 1380
886 const_eio (MCL_FUTURE) 1381 const_eio (MCL_FUTURE)
887 const_eio (MCL_CURRENT) 1382 const_eio (MCL_CURRENT)
1383 const_eio (MCL_ONFAULT)
888 1384
889 const_eio (MS_ASYNC) 1385 const_eio (MS_ASYNC)
890 const_eio (MS_INVALIDATE) 1386 const_eio (MS_INVALIDATE)
891 const_eio (MS_SYNC) 1387 const_eio (MS_SYNC)
892 1388
893 const_eio (MT_MODIFY) 1389 const_eio (MT_MODIFY)
894 1390
895 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1391 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
896 const_eio (SYNC_FILE_RANGE_WRITE) 1392 const_eio (SYNC_FILE_RANGE_WRITE)
897 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1393 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1394
1395 const_eio (FALLOC_FL_KEEP_SIZE)
1396 const_eio (FALLOC_FL_PUNCH_HOLE)
1397 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1398 const_eio (FALLOC_FL_ZERO_RANGE)
1399 const_eio (FALLOC_FL_INSERT_RANGE)
1400 const_eio (FALLOC_FL_UNSHARE_RANGE)
1401
1402 const_eio (RENAME_NOREPLACE)
1403 const_eio (RENAME_EXCHANGE)
1404 const_eio (RENAME_WHITEOUT)
898 1405
899 const_eio (READDIR_DENTS) 1406 const_eio (READDIR_DENTS)
900 const_eio (READDIR_DIRS_FIRST) 1407 const_eio (READDIR_DIRS_FIRST)
901 const_eio (READDIR_STAT_ORDER) 1408 const_eio (READDIR_STAT_ORDER)
902 const_eio (READDIR_FOUND_UNKNOWN) 1409 const_eio (READDIR_FOUND_UNKNOWN)
… …
913 }; 1420 };
914 1421
915 aio_stash = gv_stashpv ("IO::AIO" , 1); 1422 aio_stash = gv_stashpv ("IO::AIO" , 1);
916 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1423 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1424 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1425 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918 1426
919 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1427 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1428 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921 1429
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1430 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923 1431
924 create_respipe (); 1432 /* allocate dummy pipe fd for aio_close */
1433 {
1434 int pipefd [2];
925 1435
926 if (eio_init (want_poll, done_poll) < 0) 1436 if (
927 croak ("IO::AIO: unable to initialise eio library"); 1437#ifdef _WIN32
1438 _pipe (pipefd, 1, _O_BINARY) < 0
1439#else
1440 pipe (pipefd) < 0
1441 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1442#endif
1443 || close (pipefd [1]) < 0
1444 )
1445 croak ("IO::AIO: unable to create dummy pipe for aio_close");
928 1446
929 /* atfork child called in fifo order, so before eio's handler */ 1447 close_fd = pipefd [0];
930 X_THREAD_ATFORK (0, 0, atfork_child); 1448 }
1449
1450 reinit ();
931} 1451}
1452
1453void
1454reinit ()
1455 PROTOTYPE:
932 1456
933void 1457void
934max_poll_reqs (unsigned int nreqs) 1458max_poll_reqs (unsigned int nreqs)
935 PROTOTYPE: $ 1459 PROTOTYPE: $
936 CODE: 1460 CODE:
… …
971 PROTOTYPE: $ 1495 PROTOTYPE: $
972 CODE: 1496 CODE:
973 max_outstanding = maxreqs; 1497 max_outstanding = maxreqs;
974 1498
975void 1499void
976aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1500aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
977 PPCODE: 1501 PPCODE:
978{ 1502{
979 dREQ; 1503 dREQ;
980 1504
1505 req->type = EIO_WD_OPEN;
1506 req_set_path1 (req, pathname);
1507
1508 REQ_SEND;
1509}
1510
1511void
1512aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1513 PPCODE:
1514{
1515 dREQ;
1516
981 req->type = EIO_OPEN; 1517 req->type = EIO_OPEN;
982 req->sv1 = newSVsv (pathname); 1518 req_set_path1 (req, pathname);
983 req->ptr1 = SvPVbyte_nolen (req->sv1);
984 req->int1 = flags; 1519 req->int1 = flags;
985 req->int2 = mode; 1520 req->int2 = mode;
986 1521
987 REQ_SEND; 1522 REQ_SEND;
988} 1523}
989 1524
990void 1525void
991aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1526aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
992 ALIAS: 1527 ALIAS:
993 aio_fsync = EIO_FSYNC 1528 aio_fsync = EIO_FSYNC
994 aio_fdatasync = EIO_FDATASYNC 1529 aio_fdatasync = EIO_FDATASYNC
1530 aio_syncfs = EIO_SYNCFS
995 PPCODE: 1531 PPCODE:
996{ 1532{
997 int fd = s_fileno_croak (fh, 0); 1533 int fd = s_fileno_croak (fh, 0);
998 dREQ; 1534 dREQ;
999 1535
1000 req->type = ix; 1536 req->type = ix;
1001 req->sv1 = newSVsv (fh); 1537 req->sv1 = newSVsv (fh);
1002 req->int1 = fd; 1538 req->int1 = fd;
1003 1539
1004 REQ_SEND (req); 1540 REQ_SEND;
1005} 1541}
1006 1542
1007void 1543void
1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1544aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1009 PPCODE: 1545 PPCODE:
1010{ 1546{
1011 int fd = s_fileno_croak (fh, 0); 1547 int fd = s_fileno_croak (fh, 0);
1012 dREQ; 1548 dREQ;
1013 1549
1014 req->type = EIO_SYNC_FILE_RANGE; 1550 req->type = EIO_SYNC_FILE_RANGE;
1015 req->sv1 = newSVsv (fh); 1551 req->sv1 = newSVsv (fh);
1016 req->int1 = fd; 1552 req->int1 = fd;
1017 req->offs = offset; 1553 req->offs = offset;
1018 req->size = nbytes; 1554 req->size = nbytes;
1019 req->int2 = flags; 1555 req->int2 = flags;
1020 1556
1021 REQ_SEND (req); 1557 REQ_SEND;
1022} 1558}
1023 1559
1024void 1560void
1025aio_close (SV *fh, SV *callback=&PL_sv_undef) 1561aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1026 PPCODE: 1562 PPCODE:
1027{ 1563{
1028 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1029 int fd = s_fileno_croak (fh, 0); 1564 int fd = s_fileno_croak (fh, 0);
1030 dREQ; 1565 dREQ;
1031 1566
1032 if (close_pipe < 0) 1567 req->type = EIO_FALLOCATE;
1568 req->sv1 = newSVsv (fh);
1569 req->int1 = fd;
1570 req->int2 = mode;
1571 req->offs = offset;
1572 req->size = len;
1573
1574 REQ_SEND;
1575}
1576
1577void
1578aio_close (SV *fh, SV *callback = &PL_sv_undef)
1579 PPCODE:
1580{
1581 int fd = s_fileno_croak (fh, 0);
1582 dREQ;
1583#if 0
1584 /* partially duplicate logic in s_fileno */
1585 SvGETMAGIC (fh);
1586
1587 if (SvROK (fh))
1588 {
1589 fh = SvRV (fh);
1590 SvGETMAGIC (fh);
1591 }
1592
1593 if (SvTYPE (fh) == SVt_PVGV)
1033 { 1594 {
1034 int pipefd [2]; 1595 /* perl filehandle */
1596 PerlIOUnix_refcnt_inc (fd);
1597 do_close ((GV *)fh, 1);
1035 1598
1036 if (pipe (pipefd) < 0 1599 req->type = EIO_CLOSE;
1037 || close (pipefd [1]) < 0 1600 req->int1 = fd;
1038 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1601 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1039 abort (); /*D*/
1040
1041 close_pipe = pipefd [0];
1042 } 1602 }
1043 1603 else
1604#endif
1605 {
1606 /* fd number */
1044 req->type = EIO_DUP2; 1607 req->type = EIO_DUP2;
1045 req->int1 = close_pipe; 1608 req->int1 = close_fd;
1609 req->sv2 = newSVsv (fh);
1610 req->int2 = fd;
1611 }
1612
1613 REQ_SEND;
1614}
1615
1616void
1617aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1618 PPCODE:
1619{
1620 int fd = s_fileno_croak (fh, 0);
1621 dREQ;
1622
1623 req->type = EIO_SEEK;
1046 req->sv2 = newSVsv (fh); 1624 req->sv1 = newSVsv (fh);
1047 req->int2 = fd; 1625 req->int1 = fd;
1626 req->offs = SvVAL64 (offset);
1627 req->int2 = whence;
1048 1628
1049 REQ_SEND (req); 1629 REQ_SEND;
1050} 1630}
1051 1631
1052void 1632void
1053aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1633aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1054 ALIAS: 1634 ALIAS:
1055 aio_read = EIO_READ 1635 aio_read = EIO_READ
1056 aio_write = EIO_WRITE 1636 aio_write = EIO_WRITE
1057 PPCODE: 1637 PPCODE:
1058{ 1638{
… …
1074 len = svlen - dataoffset; 1654 len = svlen - dataoffset;
1075 } 1655 }
1076 else 1656 else
1077 { 1657 {
1078 /* read: check type and grow scalar as necessary */ 1658 /* read: check type and grow scalar as necessary */
1079 SvUPGRADE (data, SVt_PV); 1659 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1080 svptr = SvGROW (data, len + dataoffset + 1); 1660 svptr = sv_grow (data, len + dataoffset + 1);
1661 else if (SvCUR (data) < len + dataoffset)
1662 croak ("length + dataoffset outside of scalar, and cannot grow");
1081 } 1663 }
1082 1664
1083 { 1665 {
1084 dREQ; 1666 dREQ;
1085 1667
… …
1101 REQ_SEND; 1683 REQ_SEND;
1102 } 1684 }
1103} 1685}
1104 1686
1105void 1687void
1688aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1689 ALIAS:
1690 aio_ioctl = EIO_IOCTL
1691 aio_fcntl = EIO_FCNTL
1692 PPCODE:
1693{
1694 int fd = s_fileno_croak (fh, 0);
1695 char *svptr;
1696
1697 if (SvPOK (arg) || !SvNIOK (arg))
1698 {
1699 STRLEN svlen;
1700 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1701#ifdef IOCPARM_LEN
1702 STRLEN need = IOCPARM_LEN (request);
1703#else
1704 STRLEN need = 256;
1705#endif
1706
1707 if (svlen < need)
1708 svptr = SvGROW (arg, need);
1709 }
1710 else
1711 svptr = (char *)SvIV (arg);
1712
1713 {
1714 dREQ;
1715
1716 req->type = ix;
1717 req->sv1 = newSVsv (fh);
1718 req->int1 = fd;
1719 req->int2 = (long)request;
1720 req->sv2 = SvREFCNT_inc (arg);
1721 req->ptr2 = svptr;
1722
1723 REQ_SEND;
1724 }
1725}
1726
1727void
1106aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1728aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1107 ALIAS: 1729 ALIAS:
1108 aio_readlink = EIO_READLINK 1730 aio_readlink = EIO_READLINK
1109 aio_realpath = EIO_REALPATH 1731 aio_realpath = EIO_REALPATH
1110 PPCODE: 1732 PPCODE:
1111{ 1733{
1112 SV *data;
1113 dREQ; 1734 dREQ;
1114 1735
1115 req->type = ix; 1736 req->type = ix;
1116 req->sv1 = newSVsv (path); 1737 req_set_path1 (req, pathname);
1117 req->ptr1 = SvPVbyte_nolen (req->sv1);
1118 1738
1119 REQ_SEND; 1739 REQ_SEND;
1120} 1740}
1121 1741
1122void 1742void
1123aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1743aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1124 PPCODE: 1744 PPCODE:
1125{ 1745{
1126 int ifd = s_fileno_croak (in_fh , 0); 1746 int ifd = s_fileno_croak (in_fh , 0);
1127 int ofd = s_fileno_croak (out_fh, 1); 1747 int ofd = s_fileno_croak (out_fh, 1);
1128 dREQ; 1748 dREQ;
1129 1749
1130 req->type = EIO_SENDFILE; 1750 req->type = EIO_SENDFILE;
1131 req->sv1 = newSVsv (out_fh); 1751 req->sv1 = newSVsv (out_fh);
1132 req->int1 = ofd; 1752 req->int1 = ofd;
… …
1137 1757
1138 REQ_SEND; 1758 REQ_SEND;
1139} 1759}
1140 1760
1141void 1761void
1142aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1762aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1143 PPCODE: 1763 PPCODE:
1144{ 1764{
1145 int fd = s_fileno_croak (fh, 0); 1765 int fd = s_fileno_croak (fh, 0);
1146 dREQ; 1766 dREQ;
1147 1767
1148 req->type = EIO_READAHEAD; 1768 req->type = EIO_READAHEAD;
1149 req->sv1 = newSVsv (fh); 1769 req->sv1 = newSVsv (fh);
1150 req->int1 = fd; 1770 req->int1 = fd;
… …
1153 1773
1154 REQ_SEND; 1774 REQ_SEND;
1155} 1775}
1156 1776
1157void 1777void
1158aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1778aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1159 ALIAS: 1779 ALIAS:
1160 aio_stat = EIO_STAT 1780 aio_stat = EIO_STAT
1161 aio_lstat = EIO_LSTAT 1781 aio_lstat = EIO_LSTAT
1162 aio_statvfs = EIO_STATVFS 1782 aio_statvfs = EIO_STATVFS
1163 PPCODE: 1783 PPCODE:
1164{ 1784{
1165 dREQ; 1785 dREQ;
1166 1786
1167 req->sv1 = newSVsv (fh_or_path); 1787 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1168
1169 if (SvPOK (req->sv1))
1170 {
1171 req->type = ix;
1172 req->ptr1 = SvPVbyte_nolen (req->sv1);
1173 }
1174 else
1175 {
1176 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1177 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1178 }
1179 1788
1180 REQ_SEND; 1789 REQ_SEND;
1181} 1790}
1791
1792void
1793st_xtime ()
1794 ALIAS:
1795 st_atime = 0x01
1796 st_mtime = 0x02
1797 st_ctime = 0x04
1798 st_btime = 0x08
1799 st_xtime = 0x0f
1800 PPCODE:
1801 EXTEND (SP, 4);
1802 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1803 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1804 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1805 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1806
1807void
1808st_xtimensec ()
1809 ALIAS:
1810 st_atimensec = 0x01
1811 st_mtimensec = 0x02
1812 st_ctimensec = 0x04
1813 st_btimensec = 0x08
1814 st_xtimensec = 0x0f
1815 st_btimesec = 0x10
1816 st_gen = 0x20
1817 PPCODE:
1818 EXTEND (SP, 4);
1819 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1820 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1821 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1822 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1823 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1824 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1182 1825
1183UV 1826UV
1184major (UV dev) 1827major (UV dev)
1185 ALIAS: 1828 ALIAS:
1186 minor = 1 1829 minor = 1
1187 CODE: 1830 CODE:
1188 RETVAL = ix ? major (dev) : minor (dev); 1831 RETVAL = ix ? minor (dev) : major (dev);
1189 OUTPUT: 1832 OUTPUT:
1190 RETVAL 1833 RETVAL
1191 1834
1192UV 1835UV
1193makedev (UV maj, UV min) 1836makedev (UV maj, UV min)
… …
1195 RETVAL = makedev (maj, min); 1838 RETVAL = makedev (maj, min);
1196 OUTPUT: 1839 OUTPUT:
1197 RETVAL 1840 RETVAL
1198 1841
1199void 1842void
1200aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1843aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1201 PPCODE: 1844 PPCODE:
1202{ 1845{
1203 dREQ; 1846 dREQ;
1204 1847
1205 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1848 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1206 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1849 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1207 req->sv1 = newSVsv (fh_or_path); 1850 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1208
1209 if (SvPOK (req->sv1))
1210 {
1211 req->type = EIO_UTIME;
1212 req->ptr1 = SvPVbyte_nolen (req->sv1);
1213 }
1214 else
1215 {
1216 req->type = EIO_FUTIME;
1217 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1218 }
1219 1851
1220 REQ_SEND; 1852 REQ_SEND;
1221} 1853}
1222 1854
1223void 1855void
1224aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1856aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1225 PPCODE: 1857 PPCODE:
1226{ 1858{
1227 dREQ; 1859 dREQ;
1228 1860
1229 req->sv1 = newSVsv (fh_or_path);
1230 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1861 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1231 1862 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1232 if (SvPOK (req->sv1))
1233 {
1234 req->type = EIO_TRUNCATE;
1235 req->ptr1 = SvPVbyte_nolen (req->sv1);
1236 }
1237 else
1238 {
1239 req->type = EIO_FTRUNCATE;
1240 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241 }
1242 1863
1243 REQ_SEND; 1864 REQ_SEND;
1244} 1865}
1245 1866
1246void 1867void
1247aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1868aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1248 ALIAS:
1249 aio_chmod = EIO_CHMOD
1250 aio_mkdir = EIO_MKDIR
1251 PPCODE: 1869 PPCODE:
1252{ 1870{
1253 dREQ; 1871 dREQ;
1254 1872
1255 req->int2 = mode; 1873 req->int2 = mode;
1256 req->sv1 = newSVsv (fh_or_path); 1874 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1257
1258 if (SvPOK (req->sv1))
1259 {
1260 req->type = ix;
1261 req->ptr1 = SvPVbyte_nolen (req->sv1);
1262 }
1263 else
1264 {
1265 req->type = EIO_FCHMOD;
1266 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1267 }
1268 1875
1269 REQ_SEND; 1876 REQ_SEND;
1270} 1877}
1271 1878
1272void 1879void
1273aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1880aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1274 PPCODE: 1881 PPCODE:
1275{ 1882{
1276 dREQ; 1883 dREQ;
1277 1884
1278 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1885 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1279 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1886 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1280 req->sv1 = newSVsv (fh_or_path); 1887 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1281
1282 if (SvPOK (req->sv1))
1283 {
1284 req->type = EIO_CHOWN;
1285 req->ptr1 = SvPVbyte_nolen (req->sv1);
1286 }
1287 else
1288 {
1289 req->type = EIO_FCHOWN;
1290 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1291 }
1292 1888
1293 REQ_SEND; 1889 REQ_SEND;
1294} 1890}
1295 1891
1296void 1892void
1297aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1893aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1298 PPCODE: 1894 PPCODE:
1299{ 1895{
1300 dREQ; 1896 dREQ;
1301 1897
1302 req->type = EIO_READDIR; 1898 req->type = EIO_READDIR;
1303 req->sv1 = newSVsv (pathname);
1304 req->ptr1 = SvPVbyte_nolen (req->sv1);
1305 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1899 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1306 1900
1307 if (flags & EIO_READDIR_DENTS) 1901 if (flags & EIO_READDIR_DENTS)
1308 req->int1 |= EIO_READDIR_CUSTOM2; 1902 req->int1 |= EIO_READDIR_CUSTOM2;
1309 1903
1904 req_set_path1 (req, pathname);
1905
1310 REQ_SEND; 1906 REQ_SEND;
1311} 1907}
1312 1908
1313void 1909void
1910aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1911 PPCODE:
1912{
1913 dREQ;
1914
1915 req->type = EIO_MKDIR;
1916 req->int2 = mode;
1917 req_set_path1 (req, pathname);
1918
1919 REQ_SEND;
1920}
1921
1922void
1314aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1923aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1315 ALIAS: 1924 ALIAS:
1316 aio_unlink = EIO_UNLINK 1925 aio_unlink = EIO_UNLINK
1317 aio_rmdir = EIO_RMDIR 1926 aio_rmdir = EIO_RMDIR
1318 aio_readdir = EIO_READDIR 1927 aio_readdir = EIO_READDIR
1319 PPCODE: 1928 PPCODE:
1320{ 1929{
1321 dREQ; 1930 dREQ;
1322 1931
1323 req->type = ix; 1932 req->type = ix;
1324 req->sv1 = newSVsv (pathname); 1933 req_set_path1 (req, pathname);
1325 req->ptr1 = SvPVbyte_nolen (req->sv1);
1326 1934
1327 REQ_SEND; 1935 REQ_SEND;
1328} 1936}
1329 1937
1330void 1938void
1331aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1939aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1332 ALIAS: 1940 ALIAS:
1333 aio_link = EIO_LINK 1941 aio_link = EIO_LINK
1334 aio_symlink = EIO_SYMLINK 1942 aio_symlink = EIO_SYMLINK
1335 aio_rename = EIO_RENAME 1943 aio_rename = EIO_RENAME
1336 PPCODE: 1944 PPCODE:
1337{ 1945{
1946 eio_wd wd2 = 0;
1338 dREQ; 1947 dREQ;
1339 1948
1340 req->type = ix; 1949 req->type = ix;
1341 req->sv1 = newSVsv (oldpath); 1950 req_set_path1 (req, oldpath);
1342 req->ptr1 = SvPVbyte_nolen (req->sv1); 1951 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1343 req->sv2 = newSVsv (newpath); 1952 req->int3 = (long)wd2;
1344 req->ptr2 = SvPVbyte_nolen (req->sv2);
1345 1953
1346 REQ_SEND; 1954 REQ_SEND;
1347} 1955}
1348 1956
1349void 1957void
1958aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1959 PPCODE:
1960{
1961 eio_wd wd2 = 0;
1962 dREQ;
1963
1964 req->type = EIO_RENAME;
1965 req_set_path1 (req, oldpath);
1966 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1967 req->int2 = flags;
1968 req->int3 = (long)wd2;
1969
1970 REQ_SEND;
1971}
1972
1973void
1350aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1974aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1351 PPCODE: 1975 PPCODE:
1352{ 1976{
1353 dREQ; 1977 dREQ;
1354 1978
1355 req->type = EIO_MKNOD; 1979 req->type = EIO_MKNOD;
1356 req->sv1 = newSVsv (pathname);
1357 req->ptr1 = SvPVbyte_nolen (req->sv1);
1358 req->int2 = (mode_t)mode; 1980 req->int2 = (mode_t)mode;
1359 req->offs = dev; 1981 req->offs = dev;
1982 req_set_path1 (req, pathname);
1360 1983
1361 REQ_SEND; 1984 REQ_SEND;
1362} 1985}
1363 1986
1364void 1987void
1365aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1988aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1366 ALIAS: 1989 ALIAS:
1367 aio_mtouch = EIO_MTOUCH 1990 aio_mtouch = EIO_MTOUCH
1368 aio_msync = EIO_MSYNC 1991 aio_msync = EIO_MSYNC
1369 PPCODE: 1992 PPCODE:
1370{ 1993{
1371 STRLEN svlen; 1994 STRLEN svlen;
1372 char *svptr = SvPVbyte (data, svlen); 1995 char *svptr = SvPVbyte (data, svlen);
1373 UV len = SvUV (length); 1996 UV len = SvUV (length);
1997
1998 if (flags < 0)
1999 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1374 2000
1375 if (offset < 0) 2001 if (offset < 0)
1376 offset += svlen; 2002 offset += svlen;
1377 2003
1378 if (offset < 0 || offset > svlen) 2004 if (offset < 0 || offset > svlen)
… …
1393 REQ_SEND; 2019 REQ_SEND;
1394 } 2020 }
1395} 2021}
1396 2022
1397void 2023void
1398aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2024aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1399 PPCODE: 2025 PPCODE:
1400{ 2026{
1401 STRLEN svlen; 2027 STRLEN svlen;
1402 char *svptr = SvPVbyte (data, svlen); 2028 char *svptr = SvPVbyte (data, svlen);
1403 UV len = SvUV (length); 2029 UV len = SvUV (length);
… …
1422 REQ_SEND; 2048 REQ_SEND;
1423 } 2049 }
1424} 2050}
1425 2051
1426void 2052void
1427aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2053aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1428 PPCODE: 2054 PPCODE:
1429{ 2055{
1430 dREQ; 2056 dREQ;
1431 2057
1432 req->type = EIO_MLOCKALL; 2058 req->type = EIO_MLOCKALL;
… …
1434 2060
1435 REQ_SEND; 2061 REQ_SEND;
1436} 2062}
1437 2063
1438void 2064void
2065aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2066 PPCODE:
2067{
2068 int fd = s_fileno_croak (fh, 0);
2069 dREQ;
2070
2071 req->type = EIO_CUSTOM;
2072 req->sv1 = newSVsv (fh);
2073 req->int1 = fd;
2074
2075 req->feed = fiemap;
2076#if HAVE_FIEMAP
2077 /* keep our fingers crossed that the next two types are 64 bit */
2078 req->offs = start;
2079 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2080 req->int2 = flags;
2081 req->int3 = SvOK (count) ? SvIV (count) : -1;
2082#endif
2083
2084 REQ_SEND;
2085}
2086
2087void
2088aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2089 PPCODE:
2090{
2091 char *svptr = 0;
2092
2093 sv_clear_foreign (data);
2094
2095 if (length) /* known length, directly read into scalar */
2096 {
2097 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2098 svptr = sv_grow (data, length + 1);
2099 else if (SvCUR (data) < length)
2100 croak ("length outside of scalar, and cannot grow");
2101 else
2102 svptr = SvPVbyte_nolen (data);
2103 }
2104
2105 {
2106 dREQ;
2107
2108 req->type = EIO_SLURP;
2109 req_set_path1 (req, pathname);
2110 req->offs = offset;
2111 req->size = length;
2112 req->sv2 = SvREFCNT_inc (data);
2113 req->ptr2 = svptr;
2114
2115 if (!SvREADONLY (data))
2116 {
2117 SvREADONLY_on (data);
2118 req->flags |= FLAG_SV2_RO_OFF;
2119 }
2120
2121 REQ_SEND;
2122 }
2123}
2124
2125void
1439aio_busy (double delay, SV *callback=&PL_sv_undef) 2126aio_busy (double delay, SV *callback = &PL_sv_undef)
1440 PPCODE: 2127 PPCODE:
1441{ 2128{
1442 dREQ; 2129 dREQ;
1443 2130
1444 req->type = EIO_BUSY; 2131 req->type = EIO_BUSY;
… …
1446 2133
1447 REQ_SEND; 2134 REQ_SEND;
1448} 2135}
1449 2136
1450void 2137void
1451aio_group (SV *callback=&PL_sv_undef) 2138aio_group (SV *callback = &PL_sv_undef)
1452 PPCODE: 2139 PPCODE:
1453{ 2140{
1454 dREQ; 2141 dREQ;
1455 2142
1456 req->type = EIO_GROUP; 2143 req->type = EIO_GROUP;
1457 2144
2145 PUTBACK;
1458 req_submit (req); 2146 req_submit (req);
2147 SPAGAIN;
2148
1459 XPUSHs (req_sv (req, aio_grp_stash)); 2149 XPUSHs (req_sv (req, aio_grp_stash));
1460} 2150}
1461 2151
1462void 2152void
1463aio_nop (SV *callback=&PL_sv_undef) 2153aio_nop (SV *callback = &PL_sv_undef)
1464 ALIAS: 2154 ALIAS:
1465 aio_nop = EIO_NOP 2155 aio_nop = EIO_NOP
1466 aio_sync = EIO_SYNC 2156 aio_sync = EIO_SYNC
1467 PPCODE: 2157 PPCODE:
1468{ 2158{
… …
1472 2162
1473 REQ_SEND; 2163 REQ_SEND;
1474} 2164}
1475 2165
1476int 2166int
1477aioreq_pri (int pri = 0) 2167aioreq_pri (int pri = NO_INIT)
1478 CODE: 2168 CODE:
1479 RETVAL = next_pri; 2169 RETVAL = next_pri;
1480 if (items > 0) 2170 if (items > 0)
1481 { 2171 {
1482 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2172 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1564 CODE: 2254 CODE:
1565 RETVAL = posix_fadvise (fh, offset, length, advice); 2255 RETVAL = posix_fadvise (fh, offset, length, advice);
1566 OUTPUT: 2256 OUTPUT:
1567 RETVAL 2257 RETVAL
1568 2258
1569ssize_t 2259IV
1570sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2260sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1571 CODE: 2261 CODE:
1572 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2262 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1573 OUTPUT: 2263 OUTPUT:
1574 RETVAL 2264 RETVAL
1575 2265
1576void 2266void
1577mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2267mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1578 PPCODE: 2268 PPCODE:
1579 sv_unmagic (scalar, MMAP_MAGIC); 2269 sv_clear_foreign (scalar);
1580{ 2270{
1581 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2271 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1582 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2272 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1583 if (addr == (void *)-1) 2273 if (addr == (void *)-1)
1584 XSRETURN_NO; 2274 XSRETURN_NO;
1585 2275
1586 sv_force_normal (scalar); 2276 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1587
1588 /* we store the length in mg_obj, as namlen is I32 :/ */
1589 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1590 ->mg_obj = (SV *)length;
1591
1592 SvUPGRADE (scalar, SVt_PV); /* nop... */
1593 2277
1594 if (!(prot & PROT_WRITE)) 2278 if (!(prot & PROT_WRITE))
1595 SvREADONLY_on (scalar); 2279 SvREADONLY_on (scalar);
1596 2280
1597 if (SvLEN (scalar))
1598 Safefree (SvPVX (scalar));
1599
1600 SvPVX (scalar) = (char *)addr;
1601 SvCUR_set (scalar, length);
1602 SvLEN_set (scalar, 0);
1603 SvPOK_only (scalar);
1604
1605 XSRETURN_YES; 2281 XSRETURN_YES;
1606} 2282}
1607 2283
1608void 2284void
1609munmap (SV *scalar) 2285munmap (SV *scalar)
1610 CODE: 2286 CODE:
1611 sv_unmagic (scalar, MMAP_MAGIC); 2287 sv_clear_foreign (scalar);
2288
2289SV *
2290mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2291 CODE:
2292{
2293 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2294 void *new;
2295
2296 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2297 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2298
2299 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2300
2301 RETVAL = &PL_sv_no;
2302
2303 if (new != (void *)-1)
2304 {
2305 RETVAL = new == (void *)mg->mg_ptr
2306 ? newSVpvn ("0 but true", 10)
2307 : &PL_sv_yes;
2308
2309 mg->mg_ptr = (char *)new;
2310 mg->mg_obj = (SV *)new_length;
2311
2312 SvPVX (scalar) = mg->mg_ptr;
2313 SvCUR_set (scalar, new_length);
2314 }
2315}
2316 OUTPUT:
2317 RETVAL
1612 2318
1613int 2319int
1614madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2320madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1615 ALIAS: 2321 ALIAS:
1616 mprotect = 1 2322 mprotect = 1
1617 CODE: 2323 CODE:
1618{ 2324{
1619 STRLEN svlen; 2325 STRLEN svlen;
1620 void *addr = SvPVbyte (scalar, svlen); 2326 void *addr = SvPVbyte (scalar, svlen);
1621 size_t len = SvUV (length); 2327 STRLEN len = SvUV (length);
1622 2328
1623 if (offset < 0) 2329 if (offset < 0)
1624 offset += svlen; 2330 offset += svlen;
1625 2331
1626 if (offset < 0 || offset > svlen) 2332 if (offset < 0 || offset > svlen)
… …
1640} 2346}
1641 OUTPUT: 2347 OUTPUT:
1642 RETVAL 2348 RETVAL
1643 2349
1644int 2350int
1645munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2351munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1646 CODE: 2352 CODE:
1647{ 2353{
1648 STRLEN svlen; 2354 STRLEN svlen;
1649 void *addr = SvPVbyte (scalar, svlen); 2355 void *addr = SvPVbyte (scalar, svlen);
1650 size_t len = SvUV (length); 2356 size_t len = SvUV (length);
1651 2357
1652 if (offset < 0) 2358 if (offset < 0)
1653 offset += svlen; 2359 offset += svlen;
1654 2360
… …
1661 addr = (void *)(((intptr_t)addr) + offset); 2367 addr = (void *)(((intptr_t)addr) + offset);
1662 eio_page_align (&addr, &len); 2368 eio_page_align (&addr, &len);
1663#if _POSIX_MEMLOCK_RANGE 2369#if _POSIX_MEMLOCK_RANGE
1664 RETVAL = munlock (addr, len); 2370 RETVAL = munlock (addr, len);
1665#else 2371#else
1666 RETVAL = ((errno = ENOSYS), -1); 2372 RETVAL = EIO_ENOSYS ();
1667#endif 2373#endif
1668} 2374}
1669 OUTPUT: 2375 OUTPUT:
2376 RETVAL
2377
2378int
2379mlockall (int flags)
2380 PROTOTYPE: $;
2381 CODE:
2382 RETVAL = eio_mlockall_sync (flags);
2383 OUTPUT:
1670 RETVAL 2384 RETVAL
1671 2385
1672int 2386int
1673munlockall () 2387munlockall ()
1674 CODE: 2388 CODE:
1675#if _POSIX_MEMLOCK 2389#if _POSIX_MEMLOCK
1676 munlockall (); 2390 munlockall ();
1677#else 2391#else
1678 RETVAL = -1; 2392 RETVAL = EIO_ENOSYS ();
1679 errno = ENOSYS;
1680#endif 2393#endif
1681 OUTPUT: 2394 OUTPUT:
1682 RETVAL 2395 RETVAL
2396
2397int
2398statx (SV8 *pathname, int flags, UV mask)
2399 CODE:
2400{
2401 /* undocumented, and might go away, and anyway, should use eio_statx */
2402 SV *wdsv = 0;
2403 SV *pathsv = 0;
2404 eio_wd wd = EIO_CWD;
2405 void *ptr;
2406 int res;
2407
2408 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2409 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2410
2411 SvREFCNT_dec (pathsv);
2412 SvREFCNT_dec (wdsv);
2413}
2414 OUTPUT:
2415 RETVAL
2416
2417U32
2418stx_mode ()
2419 PROTOTYPE:
2420 CODE:
2421#if HAVE_STATX
2422 RETVAL = stx.stx_mode;
2423#else
2424 XSRETURN_UNDEF;
2425#endif
2426 OUTPUT:
2427 RETVAL
2428
2429#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2430#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2431#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2432#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2433#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2434#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2435#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2436#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2437#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2438#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2439#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2440#define STATX_OFFSET_size statx_offsetof (stx_size)
2441#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2442#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2443#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2444#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2445#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2446#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2447
2448U32
2449stx_mask ()
2450 PROTOTYPE:
2451 ALIAS:
2452 stx_mask = STATX_OFFSET_mask
2453 stx_blksize = STATX_OFFSET_blksize
2454 stx_nlink = STATX_OFFSET_nlink
2455 stx_uid = STATX_OFFSET_uid
2456 stx_gid = STATX_OFFSET_gid
2457 stx_rdev_major = STATX_OFFSET_rdev_major
2458 stx_rdev_minor = STATX_OFFSET_rdev_minor
2459 stx_dev_major = STATX_OFFSET_dev_major
2460 stx_dev_minor = STATX_OFFSET_dev_minor
2461 CODE:
2462#if HAVE_STATX
2463 RETVAL = *(__u32 *)((char *)&stx + ix);
2464#else
2465 XSRETURN_UNDEF;
2466#endif
2467 OUTPUT:
2468 RETVAL
2469
2470VAL64
2471stx_attributes ()
2472 PROTOTYPE:
2473 ALIAS:
2474 stx_attributes = STATX_OFFSET_attributes
2475 stx_ino = STATX_OFFSET_ino
2476 stx_size = STATX_OFFSET_size
2477 stx_blocks = STATX_OFFSET_blocks
2478 stx_attributes_mask = STATX_OFFSET_attributes_mask
2479 CODE:
2480#if HAVE_STATX
2481 RETVAL = *(__u64 *)((char *)&stx + ix);
2482#else
2483 XSRETURN_UNDEF;
2484#endif
2485 OUTPUT:
2486 RETVAL
2487
2488NV
2489stx_atime ()
2490 PROTOTYPE:
2491 ALIAS:
2492 stx_atime = STATX_OFFSET_atime
2493 stx_btime = STATX_OFFSET_btime
2494 stx_ctime = STATX_OFFSET_ctime
2495 stx_mtime = STATX_OFFSET_mtime
2496 CODE:
2497#if HAVE_STATX
2498 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2499 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2500#else
2501 XSRETURN_UNDEF;
2502#endif
2503 OUTPUT:
2504 RETVAL
2505
2506VAL64
2507stx_atimesec ()
2508 PROTOTYPE:
2509 ALIAS:
2510 stx_atimesec = STATX_OFFSET_atime
2511 stx_btimesec = STATX_OFFSET_btime
2512 stx_ctimesec = STATX_OFFSET_ctime
2513 stx_mtimesec = STATX_OFFSET_mtime
2514 CODE:
2515#if HAVE_STATX
2516 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2517 RETVAL = ts->tv_sec;
2518#else
2519 XSRETURN_UNDEF;
2520#endif
2521 OUTPUT:
2522 RETVAL
2523
2524U32
2525stx_atimensec ()
2526 PROTOTYPE:
2527 ALIAS:
2528 stx_atimensec = STATX_OFFSET_atime
2529 stx_btimensec = STATX_OFFSET_btime
2530 stx_ctimensec = STATX_OFFSET_ctime
2531 stx_mtimensec = STATX_OFFSET_mtime
2532 CODE:
2533#if HAVE_STATX
2534 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2535 RETVAL = ts->tv_nsec;
2536#else
2537 RETVAL = 0;
2538#endif
2539 OUTPUT:
2540 RETVAL
2541
2542void
2543accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2544 PPCODE:
2545{
2546 SV *retval;
2547#if HAVE_ACCEPT4
2548 socklen_t salen_ = salen ? salen + 1 : 0;
2549
2550 if (salen)
2551 {
2552 sv_upgrade (sockaddr, SVt_PV);
2553 sv_grow (sockaddr, salen_);
2554 }
2555
2556 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2557
2558 retval = newmortalFH (res, O_RDWR);
2559
2560 if (res >= 0 && salen > 0)
2561 {
2562 if (salen_ > salen + 1)
2563 salen_ = salen + 1;
2564
2565 SvPOK_only (sockaddr);
2566 SvCUR_set (sockaddr, salen_);
2567 }
2568#else
2569 errno = ENOSYS;
2570 retval = &PL_sv_undef;
2571#endif
2572 XPUSHs (retval);
2573}
2574
2575ssize_t
2576splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2577 CODE:
2578{
2579#if HAVE_LINUX_SPLICE
2580 loff_t off_in_, off_out_;
2581 RETVAL = splice (
2582 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2583 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2584 length, flags
2585 );
2586#else
2587 RETVAL = EIO_ENOSYS ();
2588#endif
2589}
2590 OUTPUT:
2591 RETVAL
2592
2593ssize_t
2594tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2595 CODE:
2596#if HAVE_LINUX_SPLICE
2597 RETVAL = tee (rfh, wfh, length, flags);
2598#else
2599 RETVAL = EIO_ENOSYS ();
2600#endif
2601 OUTPUT:
2602 RETVAL
2603
2604int
2605pipesize (aio_rfd rfh, int new_size = -1)
2606 PROTOTYPE: $;$
2607 CODE:
2608#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2609 if (new_size >= 0)
2610 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2611 else
2612 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2613#else
2614 errno = ENOSYS;
2615 RETVAL = -1;
2616#endif
2617 OUTPUT:
2618 RETVAL
2619
2620void
2621pipe2 (int flags = 0)
2622 PROTOTYPE: ;$
2623 PPCODE:
2624{
2625 int fd[2];
2626 int res;
2627
2628 if (flags)
2629#if HAVE_PIPE2
2630 res = pipe2 (fd, flags);
2631#else
2632 res = (errno = ENOSYS, -1);
2633#endif
2634 else
2635 res = pipe (fd);
2636
2637 if (!res)
2638 {
2639 EXTEND (SP, 2);
2640 PUSHs (newmortalFH (fd[0], O_RDONLY));
2641 PUSHs (newmortalFH (fd[1], O_WRONLY));
2642 }
2643}
2644
2645void
2646pidfd_open (int pid, unsigned int flags = 0)
2647 PPCODE:
2648{
2649 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2650 int fd = syscall (SYS_pidfd_open, pid, flags);
2651 XPUSHs (newmortalFH (fd, O_RDWR));
2652}
2653
2654int
2655pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2656 PPCODE:
2657{
2658 int res;
2659 siginfo_t si = { 0 };
2660
2661 if (SvOK (siginfo))
2662 {
2663 HV *hv;
2664 SV **svp;
2665
2666 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2667 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2668
2669 hv = (HV *)SvRV (siginfo);
2670
2671 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2672 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2673 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2674 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2675 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2676 }
2677
2678 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2679 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2680
2681 XPUSHs (sv_2mortal (newSViv (res)));
2682}
2683
2684void
2685pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2686 PPCODE:
2687{
2688 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2689 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2690 XPUSHs (newmortalFH (fd, O_RDWR));
2691}
2692
2693void
2694eventfd (unsigned int initval = 0, int flags = 0)
2695 PPCODE:
2696{
2697 int fd;
2698#if HAVE_EVENTFD
2699 fd = eventfd (initval, flags);
2700#else
2701 fd = (errno = ENOSYS, -1);
2702#endif
2703
2704 XPUSHs (newmortalFH (fd, O_RDWR));
2705}
2706
2707void
2708timerfd_create (int clockid, int flags = 0)
2709 PPCODE:
2710{
2711 int fd;
2712#if HAVE_TIMERFD
2713 fd = timerfd_create (clockid, flags);
2714#else
2715 fd = (errno = ENOSYS, -1);
2716#endif
2717
2718 XPUSHs (newmortalFH (fd, O_RDWR));
2719}
2720
2721void
2722timerfd_settime (SV *fh, int flags, NV interval, NV value)
2723 PPCODE:
2724{
2725 int fd = s_fileno_croak (fh, 0);
2726#if HAVE_TIMERFD
2727 int res;
2728 struct itimerspec its, ots;
2729
2730 ts_set (&its.it_interval, interval);
2731 ts_set (&its.it_value , value);
2732 res = timerfd_settime (fd, flags, &its, &ots);
2733
2734 if (!res)
2735 {
2736 EXTEND (SP, 2);
2737 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2738 PUSHs (newSVnv (ts_get (&ots.it_value)));
2739 }
2740#else
2741 errno = ENOSYS;
2742#endif
2743}
2744
2745void
2746timerfd_gettime (SV *fh)
2747 PPCODE:
2748{
2749 int fd = s_fileno_croak (fh, 0);
2750#if HAVE_TIMERFD
2751 int res;
2752 struct itimerspec ots;
2753 res = timerfd_gettime (fd, &ots);
2754
2755 if (!res)
2756 {
2757 EXTEND (SP, 2);
2758 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2759 PUSHs (newSVnv (ts_get (&ots.it_value)));
2760 }
2761#else
2762 errno = ENOSYS;
2763#endif
2764}
2765
2766void
2767memfd_create (SV8 *pathname, int flags = 0)
2768 PPCODE:
2769{
2770 int fd;
2771#if HAVE_MEMFD_CREATE
2772 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2773#else
2774 fd = (errno = ENOSYS, -1);
2775#endif
2776
2777 XPUSHs (newmortalFH (fd, O_RDWR));
2778}
2779
2780UV
2781get_fdlimit ()
2782 CODE:
2783#if HAVE_RLIMITS
2784 struct rlimit rl;
2785 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2786 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2787#endif
2788 XSRETURN_UNDEF;
2789 OUTPUT:
2790 RETVAL
2791
2792void
2793min_fdlimit (UV limit = 0x7fffffffU)
2794 CODE:
2795{
2796#if HAVE_RLIMITS
2797 struct rlimit rl;
2798 rlim_t orig_rlim_max;
2799 UV bit;
2800
2801 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2802 goto fail;
2803
2804 if (rl.rlim_cur == RLIM_INFINITY)
2805 XSRETURN_YES;
2806
2807 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2808
2809 if (rl.rlim_cur < limit)
2810 {
2811 rl.rlim_cur = limit;
2812
2813 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2814 rl.rlim_max = rl.rlim_cur;
2815 }
2816
2817 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2818 XSRETURN_YES;
2819
2820 if (errno == EPERM)
2821 {
2822 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2823 /* our limit overflows a system-wide limit */
2824 /* try an adaptive algorithm, but do not lower the hardlimit */
2825 rl.rlim_max = 0;
2826 for (bit = 0x40000000U; bit; bit >>= 1)
2827 {
2828 rl.rlim_max |= bit;
2829 rl.rlim_cur = rl.rlim_max;
2830
2831 /* never decrease the hard limit */
2832 if (rl.rlim_max < orig_rlim_max)
2833 break;
2834
2835 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2836 rl.rlim_max &= ~bit; /* too high, remove bit again */
2837 }
2838
2839 /* now, raise the soft limit to the max permitted */
2840 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2841 {
2842 rl.rlim_cur = rl.rlim_max;
2843 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2844 errno = EPERM;
2845 }
2846 }
2847#endif
2848 fail:
2849 XSRETURN_UNDEF;
2850}
1683 2851
1684void _on_next_submit (SV *cb) 2852void _on_next_submit (SV *cb)
1685 CODE: 2853 CODE:
1686 SvREFCNT_dec (on_next_submit); 2854 SvREFCNT_dec (on_next_submit);
1687 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2855 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1688 2856
1689PROTOTYPES: DISABLE 2857PROTOTYPES: DISABLE
1690 2858
2859MODULE = IO::AIO PACKAGE = IO::AIO::WD
2860
2861BOOT:
2862{
2863 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2864 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2865}
2866
2867void
2868DESTROY (SV *self)
2869 CODE:
2870{
2871 aio_wd wd = SvAIO_WD (self);
2872#if HAVE_AT
2873 {
2874 SV *callback = &PL_sv_undef;
2875 dREQ; /* clobbers next_pri :/ */
2876 next_pri = req->pri; /* restore next_pri */
2877 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2878 req->type = EIO_WD_CLOSE;
2879 req->wd = wd;
2880 REQ_SEND;
2881 }
2882#else
2883 eio_wd_close_sync (wd);
2884#endif
2885}
2886
1691MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2887MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1692 2888
1693void 2889void
1694cancel (aio_req_ornot req) 2890cancel (aio_req_ornot req)
1695 CODE: 2891 CODE:
1696 eio_cancel (req); 2892 eio_cancel (req);
1697 2893
1698void 2894void
1699cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2895cb (aio_req_ornot req, SV *callback = NO_INIT)
1700 PPCODE: 2896 PPCODE:
1701{ 2897{
1702 if (GIMME_V != G_VOID) 2898 if (GIMME_V != G_VOID)
1703 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2899 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1704 2900
1705 if (items > 1) 2901 if (items > 1)
1706 { 2902 {
1707 SV *cb_cv =get_cb (callback); 2903 SV *cb_cv = get_cb (callback);
1708 2904
1709 SvREFCNT_dec (req->callback); 2905 SvREFCNT_dec (req->callback);
1710 req->callback = SvREFCNT_inc (cb_cv); 2906 req->callback = SvREFCNT_inc (cb_cv);
1711 } 2907 }
1712} 2908}
… …
1769limit (aio_req grp, int limit) 2965limit (aio_req grp, int limit)
1770 CODE: 2966 CODE:
1771 eio_grp_limit (grp, limit); 2967 eio_grp_limit (grp, limit);
1772 2968
1773void 2969void
1774feed (aio_req grp, SV *callback=&PL_sv_undef) 2970feed (aio_req grp, SV *callback = &PL_sv_undef)
1775 CODE: 2971 CODE:
1776{ 2972{
1777 SvREFCNT_dec (grp->sv2); 2973 SvREFCNT_dec (grp->sv2);
1778 grp->sv2 = newSVsv (callback); 2974 grp->sv2 = newSVsv (callback);
1779 grp->feed = aio_grp_feed; 2975 grp->feed = aio_grp_feed;

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