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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.165 by root, Sun May 9 20:42:55 2010 UTC vs.
Revision 1.270 by root, Thu Nov 29 21:51:22 2018 UTC

… …
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 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 19#include <limits.h>
18#include <fcntl.h> 20#include <fcntl.h>
19#include <sched.h> 21#include <sched.h>
20 22
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 23/* the incompetent fool that created musl keeps __linux__, refuses
22# include <sys/mman.h> 24 * to implement any linux standard apis, and also has no way to test
25 * for his broken iplementation. don't complain to me if this fails
26 * for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
23#endif 35#endif
24 36
25/* perl namespace pollution */ 37/* perl namespace pollution */
26#undef VERSION 38#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 39
77/* perl stupidly overrides readdir and maybe others */ 40/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 41/* with thread-unsafe versions, imagine that :( */
79#undef readdir 42#undef readdir
80#undef opendir 43#undef opendir
81#undef closedir 44#undef closedir
82 45
46#ifdef _WIN32
47
48 // perl overrides all those nice libc functions
49
50 #undef malloc
51 #undef free
52 #undef open
53 #undef read
54 #undef write
55 #undef send
56 #undef recv
57 #undef stat
58 #undef lstat
59 #undef fstat
60 #undef truncate
61 #undef ftruncate
62 #undef open
63 #undef link
64 #undef close
65 #undef unlink
66 #undef mkdir
67 #undef rmdir
68 #undef rename
69 #undef lseek
70 #undef opendir
71 #undef readdir
72 #undef closedir
73 #undef chmod
74 #undef fchmod
75 #undef dup
76 #undef dup2
77 #undef abort
78 #undef pipe
79 #undef utime
80
81 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 82 #define EIO_STRUCT_STATI64
84 83
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 84#else
91# define VAL64 NV 85
92# define SvVAL64 SvNV 86 #include <sys/time.h>
93# define newSVval64 newSVnv 87 #include <sys/select.h>
88 #include <unistd.h>
89 #include <utime.h>
90 #include <signal.h>
91
92 #define EIO_STRUCT_STAT Stat_t
93
94#endif 94#endif
95 95
96/*****************************************************************************/ 96/*****************************************************************************/
97 97
98#if __GNUC__ >= 3 98#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
106 106
107/*****************************************************************************/ 107/*****************************************************************************/
108 108
109#include "config.h"
110
111#if HAVE_SYS_MKDEV_H
112# include <sys/mkdev.h>
113#elif HAVE_SYS_SYSMACROS_H
114# include <sys/sysmacros.h>
115#endif
116
117#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
118# include <sys/mman.h>
119#endif
120
121#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec
124# define CTIMENSEC PL_statcache.st_ctimensec
125#elif HAVE_ST_XTIMESPEC
126# define ATIMENSEC PL_statcache.st_atim.tv_nsec
127# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
128# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
129#else
130# define ATIMENSEC 0
131# define MTIMENSEC 0
132# define CTIMENSEC 0
133#endif
134
135#if HAVE_ST_BIRTHTIMENSEC
136# define BTIMESEC PL_statcache.st_birthtime
137# define BTIMENSEC PL_statcache.st_birthtimensec
138#elif HAVE_ST_BIRTHTIMESPEC
139# define BTIMESEC PL_statcache.st_birthtim.tv_sec
140# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
141#else
142# define BTIMESEC 0
143# define BTIMENSEC 0
144#endif
145
146#if HAVE_ST_GEN
147# define ST_GEN PL_statcache.st_gen
148#else
149# define ST_GEN 0
150#endif
151
152#include "schmorp.h"
153
154#if HAVE_EVENTFD
155# include <sys/eventfd.h>
156#endif
157
158#if HAVE_TIMERFD
159# include <sys/timerfd.h>
160#endif
161
162#if HAVE_RLIMITS
163 #include <sys/time.h>
164 #include <sys/resource.h>
165#endif
166
109typedef SV SV8; /* byte-sv, used for argument-checking */ 167typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 168typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 169typedef int aio_wfd; /* write file descriptor */
112 170
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 171static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 172
115#define EIO_REQ_MEMBERS \ 173#define EIO_REQ_MEMBERS \
116 SV *callback; \ 174 SV *callback; \
117 SV *sv1, *sv2; \ 175 SV *sv1, *sv2; \
176 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 177 STRLEN stroffset; \
119 SV *self; 178 SV *self;
120 179
121#define EIO_NO_WRAPPERS 1 180#define EIO_NO_WRAPPERS 1
122 181
123#include "libeio/eio.h" 182#include "libeio/eio.h"
124 183
125#ifndef POSIX_FADV_NORMAL 184static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 185#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 186static void req_destroy (eio_req *grp);
128#endif 187#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 188
145#ifndef ST_NODEV 189#include "libeio/eio.c"
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175 190
176#ifndef MCL_CURRENT 191#if !HAVE_POSIX_FADVISE
177# define MCL_CURRENT 0 192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178#endif 193#endif
179#ifndef MCL_FUTURE 194
180# define MCL_FUTURE 0 195#if !HAVE_POSIX_MADVISE
196# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181#endif 197#endif
182 198
183#ifndef MAP_ANONYMOUS 199#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 200# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 201# define MAP_ANONYMOUS MAP_ANON
186# else 202# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 203# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif 204# endif
189#endif 205#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205 206
207#ifndef makedev
208# define makedev(maj,min) (((maj) << 8) | (min))
209#endif
210#ifndef major
211# define major(dev) ((dev) >> 8)
212#endif
213#ifndef minor
214# define minor(dev) ((dev) & 0xff)
215#endif
216
217/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
218#ifdef __sun
206#ifndef PAGESIZE 219# undef PAGESIZE
220#endif
221
222#if PAGESIZE <= 0
207# define PAGESIZE sysconf (_SC_PAGESIZE) 223# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 224#endif
209 225
210static int req_invoke (eio_req *req); 226/*****************************************************************************/
211#define EIO_FINISH(req) req_invoke (req) 227
212static void req_destroy (eio_req *grp); 228#if !_POSIX_MAPPED_FILES
213#define EIO_DESTROY(req) req_destroy (req) 229# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
230# define munmap(addr,length) EIO_ENOSYS ()
231#endif
232
233#if !_POSIX_MEMORY_PROTECTION
234# define mprotect(addr,len,prot) EIO_ENOSYS ()
235#endif
236
237#if !MREMAP_MAYMOVE
238# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
239#endif
240
241#define FOREIGN_MAGIC PERL_MAGIC_ext
242
243static int ecb_cold
244mmap_free (pTHX_ SV *sv, MAGIC *mg)
245{
246 int old_errno = errno;
247 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
248 errno = old_errno;
249
250 mg->mg_obj = 0; /* just in case */
251
252 SvREADONLY_off (sv);
253
254 if (SvPVX (sv) != mg->mg_ptr)
255 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
256
257 SvCUR_set (sv, 0);
258 SvPVX (sv) = 0;
259 SvOK_off (sv);
260
261 return 0;
262}
263
264static MGVTBL mmap_vtbl = {
265 0, 0, 0, 0, mmap_free
266};
267
268static int ecb_cold
269sysfree_free (pTHX_ SV *sv, MAGIC *mg)
270{
271 free (mg->mg_ptr);
272 mg->mg_obj = 0; /* just in case */
273
274 SvREADONLY_off (sv);
275
276 if (SvPVX (sv) != mg->mg_ptr)
277 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
278
279 SvCUR_set (sv, 0);
280 SvPVX (sv) = 0;
281 SvOK_off (sv);
282
283 return 0;
284}
285
286static MGVTBL sysfree_vtbl = {
287 0, 0, 0, 0, sysfree_free
288};
289
290/*****************************************************************************/
291
292/* helper: set scalar to foreign ptr with custom free */
293static void
294sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
295{
296 sv_force_normal (sv);
297
298 /* we store the length in mg_obj, as namlen is I32 :/ */
299 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
300 ->mg_obj = (SV *)length;
301
302 SvUPGRADE (sv, SVt_PV); /* nop... */
303
304 if (SvLEN (sv))
305 Safefree (SvPVX (sv));
306
307 SvPVX (sv) = (char *)addr;
308 SvCUR_set (sv, length);
309 SvLEN_set (sv, 0);
310 SvPOK_only (sv);
311}
312
313static void
314sv_clear_foreign (SV *sv)
315{
316 /* todo: iterate over magic and only free ours, but of course */
317 /* the perl5porters will call that (correct) behaviour buggy */
318 sv_unmagic (sv, FOREIGN_MAGIC);
319}
320
321/*****************************************************************************/
322
323/* defines all sorts of constants to 0 unless they are already defined */
324/* also provides const_iv_ and const_niv_ macros for them */
325#include "def0.h"
326
327/*****************************************************************************/
328
329static void
330fiemap (eio_req *req)
331{
332 req->result = -1;
333
334#if HAVE_FIEMAP
335 /* assume some c99 */
336 struct fiemap *fiemap = 0;
337 size_t end_offset;
338 int count = req->int3;
339
340 req->flags |= EIO_FLAG_PTR1_FREE;
341
342 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
343 /* increase in 3.5kb steps */
344 if (count < 0)
345 count = 8;
346
347 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
348 errno = ENOMEM;
349 if (!fiemap)
350 return;
351
352 req->ptr1 = fiemap;
353
354 fiemap->fm_start = req->offs;
355 fiemap->fm_length = req->size;
356 fiemap->fm_flags = req->int2;
357 fiemap->fm_extent_count = count;
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
360 return;
361
362 if (req->int3 >= 0 /* not autosizing */
363 || !fiemap->fm_mapped_extents /* no more extents */
364 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
365 goto done;
366
367 /* else we have to loop -
368 * it would be tempting (actually I tried that first) to just query the
369 * number of extents needed, but linux often feels like not returning all
370 * extents, without telling us it left any out. this complicates
371 * this quite a bit.
372 */
373
374 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
375
376 for (;;)
377 {
378 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
379 char scratch[3072];
380 struct fiemap *incmap = (struct fiemap *)scratch;
381
382 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
383 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
384 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
385 incmap->fm_flags = fiemap->fm_flags;
386 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
387
388 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
389 return;
390
391 if (!incmap->fm_mapped_extents)
392 goto done;
393
394 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
395 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
396 errno = ENOMEM;
397 if (!fiemap)
398 return;
399
400 req->ptr1 = fiemap;
401
402 for (count = 0; count < incmap->fm_mapped_extents; ++count)
403 {
404 struct fiemap_extent *e = incmap->fm_extents + count;
405
406 if (e->fe_logical + e->fe_length >= end_offset)
407 goto done;
408
409 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
410
411 if (e->fe_flags & FIEMAP_EXTENT_LAST)
412 goto done;
413
414 }
415 }
416
417done:
418 req->result = 0;
419
420#else
421 errno = ENOSYS;
422#endif
423}
424
425/*****************************************************************************/
426
427static int close_fd; /* dummy fd to close fds via dup2 */
214 428
215enum { 429enum {
216 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217}; 431};
218 432
219#include "libeio/eio.c"
220
221typedef eio_req *aio_req; 433typedef eio_req *aio_req;
222typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
223 436
224static SV *on_next_submit; 437static SV *on_next_submit;
225static int next_pri = EIO_PRI_DEFAULT; 438static int next_pri = EIO_PRI_DEFAULT;
226static int max_outstanding; 439static int max_outstanding;
227 440
228static s_epipe respipe; 441static s_epipe respipe;
229 442
230static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
231static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
232 445
233static void want_poll (void) 446static void
447want_poll (void)
234{ 448{
235 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
236 s_epipe_signal (&respipe); 450 s_epipe_signal (&respipe);
237} 451}
238 452
239static void done_poll (void) 453static void
454done_poll (void)
240{ 455{
241 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
242 s_epipe_drain (&respipe); 457 s_epipe_drain (&respipe);
243} 458}
244 459
245/* must be called at most once */ 460/* must be called at most once */
461static SV *
246static SV *req_sv (aio_req req, HV *stash) 462req_sv (aio_req req, HV *stash)
247{ 463{
248 if (!req->self) 464 if (!req->self)
249 { 465 {
250 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252 } 468 }
253 469
254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255} 471}
256 472
257static aio_req SvAIO_REQ (SV *sv) 473static SV *
474newSVaio_wd (aio_wd wd)
475{
476 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
477}
478
479static aio_req
480SvAIO_REQ (SV *sv)
258{ 481{
259 MAGIC *mg; 482 MAGIC *mg;
260 483
261 if (!SvROK (sv) 484 if (!SvROK (sv)
485 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash 486 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash 487 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ"))) 488 && !sv_derived_from (sv, "IO::AIO::REQ")))
265 croak ("object of class IO::AIO::REQ expected"); 489 croak ("object of class IO::AIO::REQ expected");
266 490
267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268 492
269 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
270} 494}
271 495
496static aio_wd
497SvAIO_WD (SV *sv)
498{
499 if (!SvROK (sv)
500 || SvTYPE (SvRV (sv)) != SVt_PVMG
501 || SvSTASH (SvRV (sv)) != aio_wd_stash)
502 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
503
504 return (aio_wd)(long)SvIVX (SvRV (sv));
505}
506
507static SV *
508newmortalFH (int fd, int flags)
509{
510 if (fd < 0)
511 return &PL_sv_undef;
512
513 GV *gv = (GV *)sv_newmortal ();
514 char sym[64];
515 int symlen;
516
517 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
518 gv_init (gv, aio_stash, sym, symlen, 0);
519
520 symlen = snprintf (
521 sym,
522 sizeof (sym),
523 "%s&=%d",
524 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
525 fd
526 );
527
528 return do_open (gv, sym, symlen, 0, 0, 0, 0)
529 ? (SV *)gv : &PL_sv_undef;
530}
531
532static void
272static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
273{ 534{
274 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
275 { 536 {
276 dSP; 537 dSP;
277 538
… …
285 FREETMPS; 546 FREETMPS;
286 LEAVE; 547 LEAVE;
287 } 548 }
288} 549}
289 550
551static void
290static void req_submit (eio_req *req) 552req_submit (eio_req *req)
291{ 553{
292 eio_submit (req); 554 eio_submit (req);
293 555
294 if (expect_false (on_next_submit)) 556 if (expect_false (on_next_submit))
295 { 557 {
… …
302 PUTBACK; 564 PUTBACK;
303 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
304 } 566 }
305} 567}
306 568
569static int
307static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
308{ 571{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
313 574
314 if (!EIO_CANCELLED (req) && req->callback) 575 if (!EIO_CANCELLED (req) && req->callback)
315 { 576 {
577 dSP;
316 static SV *sv_result_cache; /* caches the result integer SV */ 578 static SV *sv_result_cache; /* caches the result integer SV */
317 SV *sv_result; 579 SV *sv_result;
318 580
319 ENTER; 581 ENTER;
320 SAVETMPS; 582 SAVETMPS;
… …
324 /* do not recreate the result IV from scratch each time */ 586 /* do not recreate the result IV from scratch each time */
325 if (expect_true (sv_result_cache)) 587 if (expect_true (sv_result_cache))
326 { 588 {
327 sv_result = sv_result_cache; sv_result_cache = 0; 589 sv_result = sv_result_cache; sv_result_cache = 0;
328 SvIV_set (sv_result, req->result); 590 SvIV_set (sv_result, req->result);
591 SvIOK_only (sv_result);
329 } 592 }
330 else 593 else
331 { 594 {
332 sv_result = newSViv (req->result); 595 sv_result = newSViv (req->result);
333 SvREADONLY_on (sv_result); 596 SvREADONLY_on (sv_result);
334 } 597 }
335 598
336 switch (req->type) 599 switch (req->type)
337 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
338 case EIO_READDIR: 605 case EIO_READDIR:
339 { 606 {
340 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
341 608
342 if (req->result >= 0) 609 if (req->result >= 0)
… …
395 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 662 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
396 } 663 }
397 break; 664 break;
398 665
399 case EIO_OPEN: 666 case EIO_OPEN:
400 { 667 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
401 /* convert fd to fh */
402 SV *fh = &PL_sv_undef;
403
404 if (req->result >= 0)
405 {
406 GV *gv = (GV *)sv_newmortal ();
407 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
408 char sym [64];
409 int symlen;
410
411 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
412 gv_init (gv, aio_stash, sym, symlen, 0);
413
414 symlen = snprintf (
415 sym,
416 sizeof (sym),
417 "%s&=%d",
418 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
419 (int)req->result
420 );
421
422 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
423 fh = (SV *)gv;
424 }
425
426 PUSHs (fh);
427 }
428 break; 668 break;
429 669
430 case EIO_STATVFS: 670 case EIO_STATVFS:
431 case EIO_FSTATVFS: 671 case EIO_FSTATVFS:
432 { 672 {
433 SV *rv = &PL_sv_undef; 673 SV *rv = &PL_sv_undef;
434 674
675#ifndef _WIN32
435 if (req->result >= 0) 676 if (req->result >= 0)
436 { 677 {
437 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
438 HV *hv = newHV (); 679 HV *hv = newHV ();
680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
681 * chooses to make it a struct.
682 */
683 unsigned long fsid = 0;
684 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
439 685
440 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
441 687
442 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
443 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 689 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
445 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 691 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
446 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 692 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
447 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 693 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
448 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 694 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
449 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 695 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
450 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 696 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
451 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 697 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
452 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 698 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
453 } 699 }
700#endif
454 701
455 PUSHs (rv); 702 PUSHs (rv);
456 } 703 }
457 704
458 break; 705 break;
… …
474 case EIO_NOP: 721 case EIO_NOP:
475 case EIO_BUSY: 722 case EIO_BUSY:
476 break; 723 break;
477 724
478 case EIO_READLINK: 725 case EIO_READLINK:
726 case EIO_REALPATH:
479 if (req->result > 0) 727 if (req->result > 0)
480 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 728 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
481 break; 729 break;
482 730
483 case EIO_STAT: 731 case EIO_STAT:
484 case EIO_LSTAT: 732 case EIO_LSTAT:
485 case EIO_FSTAT: 733 case EIO_FSTAT:
486 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
487 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
488 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
739
489 PUSHs (sv_result); 740 PUSHs (sv_result);
741 break;
742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
490 break; 745 break;
491 746
492 case EIO_READ: 747 case EIO_READ:
493 { 748 {
494 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 749 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
497 SvSETMAGIC (req->sv2); 752 SvSETMAGIC (req->sv2);
498 PUSHs (sv_result); 753 PUSHs (sv_result);
499 } 754 }
500 break; 755 break;
501 756
502 case EIO_DUP2: 757 case EIO_SLURP:
758 {
759 if (req->result >= 0)
760 {
761 /* if length was originally not known, we steal the malloc'ed memory */
762 if (req->flags & EIO_FLAG_PTR2_FREE)
763 {
764 req->flags &= ~EIO_FLAG_PTR2_FREE;
765 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
766 }
767 else
768 {
769 SvCUR_set (req->sv2, req->result);
770 *SvEND (req->sv2) = 0;
771 SvPOK_only (req->sv2);
772 }
773
774 SvSETMAGIC (req->sv2);
775 }
776
777 PUSHs (sv_result);
778 }
779 break;
780
781 case EIO_CUSTOM:
782 if (req->feed == fiemap)
783 {
784#if HAVE_FIEMAP
785 if (!req->result)
786 {
787 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
788
789 if (fiemap->fm_extent_count)
790 {
791 AV *av = newAV ();
792 int i;
793
794 while (fiemap->fm_mapped_extents)
795 {
796 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
797 AV *ext_av = newAV ();
798
799 av_store (ext_av, 3, newSVuv (extent->fe_flags));
800 av_store (ext_av, 2, newSVval64 (extent->fe_length));
801 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
802 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
803
804 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
805 }
806
807 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
808 }
809 else
810 {
811 SvIV_set (sv_result, fiemap->fm_mapped_extents);
812 PUSHs (sv_result);
813 }
814 }
815#endif
816 }
817 else
818 PUSHs (sv_result);
819 break;
820
821 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
503 if (req->result > 0) 822 if (req->result > 0)
504 SvIV_set (sv_result, 0); 823 SvIV_set (sv_result, 0);
505 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
506 825
507 default: 826 default:
… …
527 } 846 }
528 847
529 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
530} 849}
531 850
851static void
532static void req_destroy (aio_req req) 852req_destroy (aio_req req)
533{ 853{
534 if (req->self) 854 if (req->self)
535 { 855 {
536 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
537 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
538 } 858 }
539 859
540 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
541 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
542 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
543 865
544 Safefree (req); 866 free (req);
545} 867}
546 868
869static void
547static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
548{ 871{
549 aio_req sub;
550
551 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
552 return; 873 return;
553 874
554 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
555 grp->sv2 = 0; 876 grp->sv2 = 0;
556 877
557 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
558} 879}
559 880
560static void 881static void ecb_cold
561create_respipe (void) 882create_respipe (void)
562{ 883{
563 if (s_epipe_renew (&respipe)) 884 if (s_epipe_renew (&respipe))
564 croak ("IO::AIO: unable to initialize result pipe"); 885 croak ("IO::AIO: unable to initialize result pipe");
565} 886}
566 887
567static void poll_wait (void) 888static void
889poll_wait (void)
568{ 890{
569 while (eio_nreqs ()) 891 while (eio_nreqs ())
570 { 892 {
571 int size; 893 int size;
572 894
573 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
574 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
575 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
576 898
577 if (size) 899 if (size)
578 return; 900 return;
579 901
580 etp_maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
581 903
582 s_epipe_wait (&respipe); 904 s_epipe_wait (&respipe);
583 } 905 }
584} 906}
585 907
586static int poll_cb (void) 908static int
909poll_cb (void)
587{ 910{
588 for (;;) 911 for (;;)
589 { 912 {
590 int res = eio_poll (); 913 int res = eio_poll ();
591 914
… …
597 920
598 poll_wait (); 921 poll_wait ();
599 } 922 }
600} 923}
601 924
602static void atfork_child (void) 925static void ecb_cold
926reinit (void)
603{ 927{
604 create_respipe (); 928 create_respipe ();
605}
606 929
607/*****************************************************************************/ 930 if (eio_init (want_poll, done_poll) < 0)
608 931 croak ("IO::AIO: unable to initialise eio library");
609#if !_POSIX_MAPPED_FILES
610# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
611# define munmap(addr,length) (errno = ENOSYS, -1)
612#endif
613
614#define MMAP_MAGIC PERL_MAGIC_ext
615
616static int
617mmap_free (pTHX_ SV *sv, MAGIC *mg)
618{
619 int old_errno = errno;
620 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
621 errno = old_errno;
622
623 mg->mg_obj = 0; /* just in case */
624
625 SvREADONLY_off (sv);
626 SvCUR_set (sv, 0);
627 SvLEN_set (sv, 0);
628 SvPVX (sv) = 0;
629 SvOK_off (sv);
630
631 return 0;
632} 932}
633
634static MGVTBL mmap_vtbl = {
635 0, 0, 0, 0, mmap_free
636};
637 933
638/*****************************************************************************/ 934/*****************************************************************************/
639 935
640static SV * 936static SV *
641get_cb (SV *cb_sv) 937get_cb (SV *cb_sv)
642{ 938{
643 SvGETMAGIC (cb_sv); 939 SvGETMAGIC (cb_sv);
644 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
645} 941}
646 942
943static aio_req ecb_noinline
944dreq (SV *callback)
945{
946 SV *cb_cv;
947 aio_req req;
948 int req_pri = next_pri;
949 next_pri = EIO_PRI_DEFAULT;
950
951 cb_cv = get_cb (callback);
952
953 req = calloc (sizeof (*req), 1);
954 if (!req)
955 croak ("out of memory during eio_req allocation");
956
957 req->callback = SvREFCNT_inc (cb_cv);
958 req->pri = req_pri;
959
960 return req;
961}
962
647#define dREQ \ 963#define dREQ \
648 SV *cb_cv; \ 964 aio_req req = dreq (callback); \
649 aio_req req; \
650 int req_pri = next_pri; \
651 next_pri = EIO_PRI_DEFAULT; \
652 \
653 cb_cv = get_cb (callback); \
654 \
655 Newz (0, req, 1, eio_req); \
656 if (!req) \
657 croak ("out of memory during eio_req allocation"); \
658 \
659 req->callback = SvREFCNT_inc (cb_cv); \
660 req->pri = req_pri
661 965
662#define REQ_SEND \ 966#define REQ_SEND \
663 PUTBACK; \ 967 PUTBACK; \
664 req_submit (req); \ 968 req_submit (req); \
665 SPAGAIN; \ 969 SPAGAIN; \
666 \ 970 \
667 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
668 XPUSHs (req_sv (req, aio_req_stash)); 972 XPUSHs (req_sv (req, aio_req_stash));
669 973
974ecb_inline void
975req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
976{
977 if (expect_false (SvROK (path)))
978 {
979 SV *rv = SvRV (path);
980 SV *wdob;
981
982 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
983 {
984 path = AvARRAY (rv)[1];
985 wdob = AvARRAY (rv)[0];
986
987 if (SvOK (wdob))
988 {
989 *wd = SvAIO_WD (wdob);
990 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
991 }
992 else
993 *wd = EIO_INVALID_WD;
994 }
995 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
996 {
997 *wd = (aio_wd)(long)SvIVX (rv);
998 *wdsv = SvREFCNT_inc_NN (rv);
999 *ptr = ".";
1000 return; /* path set to "." */
1001 }
1002 else
1003 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1004 }
1005
1006 *pathsv = newSVsv (path);
1007 *ptr = SvPVbyte_nolen (*pathsv);
1008}
1009
1010static void ecb_noinline
1011req_set_path1 (aio_req req, SV *path)
1012{
1013 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1014}
1015
1016static void ecb_noinline
1017req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1018{
1019 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1020
1021 switch (SvTYPE (rv))
1022 {
1023 case SVt_PVIO:
1024 case SVt_PVLV:
1025 case SVt_PVGV:
1026 req->type = type_fh;
1027 req->sv1 = newSVsv (fh_or_path);
1028 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1029 break;
1030
1031 default:
1032 req->type = type_path;
1033 req_set_path1 (req, fh_or_path);
1034 break;
1035 }
1036}
1037
1038/*****************************************************************************/
1039
1040static void
1041ts_set (struct timespec *ts, NV value)
1042{
1043 ts->tv_sec = value;
1044 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1045}
1046
1047static NV
1048ts_get (const struct timespec *ts)
1049{
1050 return ts->tv_sec + ts->tv_nsec * 1e-9;
1051}
1052
1053/*****************************************************************************/
1054
1055XS(boot_IO__AIO) ecb_cold;
1056
670MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
671 1058
672PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
673 1060
674BOOT: 1061BOOT:
… …
678 IV iv; 1065 IV iv;
679 } *civ, const_iv[] = { 1066 } *civ, const_iv[] = {
680# define const_niv(name, value) { # name, (IV) value }, 1067# define const_niv(name, value) { # name, (IV) value },
681# define const_iv(name) { # name, (IV) name }, 1068# define const_iv(name) { # name, (IV) name },
682# define const_eio(name) { # name, (IV) EIO_ ## name }, 1069# define const_eio(name) { # name, (IV) EIO_ ## name },
1070
1071 /* you have to re-run ./gendef0 after adding/removing any constants here */
1072 /* the first block can be undef if missing */
1073 const_iv (ENOSYS)
683 const_iv (EXDEV) 1074 const_iv (EXDEV)
684 const_iv (ENOSYS) 1075 const_iv (EBADR)
1076
1077 /* for lseek */
1078 const_iv (SEEK_DATA)
1079 const_iv (SEEK_HOLE)
1080
1081 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1082 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1083 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1084 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1085 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1086 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1087
1088 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1089 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1090 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1091 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1092 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1093
1094 /* the second block will be 0 when missing */
1095 const_iv (O_ACCMODE)
1096
685 const_iv (O_RDONLY) 1097 const_iv (O_RDONLY)
686 const_iv (O_WRONLY) 1098 const_iv (O_WRONLY)
687 const_iv (O_RDWR) 1099 const_iv (O_RDWR)
688 const_iv (O_CREAT) 1100 const_iv (O_CREAT)
689 const_iv (O_TRUNC) 1101 const_iv (O_TRUNC)
690 const_iv (O_EXCL) 1102 const_iv (O_EXCL)
691 const_iv (O_APPEND) 1103 const_iv (O_APPEND)
692#ifndef _WIN32 1104
1105 const_iv (O_ASYNC)
1106 const_iv (O_DIRECT)
1107 const_iv (O_NOATIME)
1108
1109 const_iv (O_CLOEXEC)
1110 const_iv (O_NOCTTY)
1111 const_iv (O_NOFOLLOW)
1112 const_iv (O_NONBLOCK)
1113 const_iv (O_EXEC)
1114 const_iv (O_SEARCH)
1115 const_iv (O_DIRECTORY)
1116 const_iv (O_DSYNC)
1117 const_iv (O_RSYNC)
1118 const_iv (O_SYNC)
1119 const_iv (O_PATH)
1120 const_iv (O_TMPFILE)
1121 const_iv (O_TTY_INIT)
1122
693 const_iv (S_IFIFO) 1123 const_iv (S_IFIFO)
694#endif 1124 const_iv (S_IFCHR)
695 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1125 const_iv (S_IFBLK)
696 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1126 const_iv (S_IFLNK)
697 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1127 const_iv (S_IFREG)
698 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1128 const_iv (S_IFDIR)
699 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1129 const_iv (S_IFWHT)
700 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1130 const_iv (S_IFSOCK)
1131 const_iv (S_IFMT)
701 1132
702 const_iv (ST_RDONLY) 1133 const_iv (ST_RDONLY)
703 const_iv (ST_NOSUID) 1134 const_iv (ST_NOSUID)
704 const_iv (ST_NODEV) 1135 const_iv (ST_NODEV)
705 const_iv (ST_NOEXEC) 1136 const_iv (ST_NOEXEC)
… …
710 const_iv (ST_IMMUTABLE) 1141 const_iv (ST_IMMUTABLE)
711 const_iv (ST_NOATIME) 1142 const_iv (ST_NOATIME)
712 const_iv (ST_NODIRATIME) 1143 const_iv (ST_NODIRATIME)
713 const_iv (ST_RELATIME) 1144 const_iv (ST_RELATIME)
714 1145
1146 const_iv (PROT_NONE)
715 const_iv (PROT_EXEC) 1147 const_iv (PROT_EXEC)
716 const_iv (PROT_NONE)
717 const_iv (PROT_READ) 1148 const_iv (PROT_READ)
718 const_iv (PROT_WRITE) 1149 const_iv (PROT_WRITE)
719 1150
720 /*const_iv (MAP_FIXED)*/
721 const_iv (MAP_PRIVATE) 1151 const_iv (MAP_PRIVATE)
722 const_iv (MAP_SHARED) 1152 const_iv (MAP_SHARED)
1153 const_iv (MAP_FIXED)
723 const_iv (MAP_ANONYMOUS) 1154 const_iv (MAP_ANONYMOUS)
724 1155
725 /* linuxish */ 1156 /* linuxish */
726 const_iv (MAP_HUGETLB)
727 const_iv (MAP_LOCKED) 1157 const_iv (MAP_LOCKED)
728 const_iv (MAP_NORESERVE) 1158 const_iv (MAP_NORESERVE)
729 const_iv (MAP_POPULATE) 1159 const_iv (MAP_POPULATE)
730 const_iv (MAP_NONBLOCK) 1160 const_iv (MAP_NONBLOCK)
1161 const_iv (MAP_GROWSDOWN)
1162 const_iv (MAP_32BIT)
1163 const_iv (MAP_HUGETLB)
1164 const_iv (MAP_STACK)
731 1165
1166 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED)
1168
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC)
1173
1174 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW)
1177
1178 const_iv (FIFREEZE)
1179 const_iv (FITHAW)
1180 const_iv (FITRIM)
1181 const_iv (FICLONE)
1182 const_iv (FICLONERANGE)
1183 const_iv (FIDEDUPERANGE)
1184
1185 const_iv (FS_IOC_GETFLAGS)
1186 const_iv (FS_IOC_SETFLAGS)
1187 const_iv (FS_IOC_GETVERSION)
1188 const_iv (FS_IOC_SETVERSION)
1189 const_iv (FS_IOC_FIEMAP)
1190 const_iv (FS_IOC_FSGETXATTR)
1191 const_iv (FS_IOC_FSSETXATTR)
1192 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1193 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1194 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1195
1196 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1197
1198 const_iv (FS_SECRM_FL)
1199 const_iv (FS_UNRM_FL)
1200 const_iv (FS_COMPR_FL)
1201 const_iv (FS_SYNC_FL)
1202 const_iv (FS_IMMUTABLE_FL)
1203 const_iv (FS_APPEND_FL)
1204 const_iv (FS_NODUMP_FL)
1205 const_iv (FS_NOATIME_FL)
1206 const_iv (FS_DIRTY_FL)
1207 const_iv (FS_COMPRBLK_FL)
1208 const_iv (FS_NOCOMP_FL)
1209 const_iv (FS_ENCRYPT_FL)
1210 const_iv (FS_BTREE_FL)
1211 const_iv (FS_INDEX_FL)
1212 const_iv (FS_JOURNAL_DATA_FL)
1213 const_iv (FS_NOTAIL_FL)
1214 const_iv (FS_DIRSYNC_FL)
1215 const_iv (FS_TOPDIR_FL)
1216 const_iv (FS_FL_USER_MODIFIABLE)
1217
1218 const_iv (FS_XFLAG_REALTIME)
1219 const_iv (FS_XFLAG_PREALLOC)
1220 const_iv (FS_XFLAG_IMMUTABLE)
1221 const_iv (FS_XFLAG_APPEND)
1222 const_iv (FS_XFLAG_SYNC)
1223 const_iv (FS_XFLAG_NOATIME)
1224 const_iv (FS_XFLAG_NODUMP)
1225 const_iv (FS_XFLAG_RTINHERIT)
1226 const_iv (FS_XFLAG_PROJINHERIT)
1227 const_iv (FS_XFLAG_NOSYMLINKS)
1228 const_iv (FS_XFLAG_EXTSIZE)
1229 const_iv (FS_XFLAG_EXTSZINHERIT)
1230 const_iv (FS_XFLAG_NODEFRAG)
1231 const_iv (FS_XFLAG_FILESTREAM)
1232 const_iv (FS_XFLAG_DAX)
1233 const_iv (FS_XFLAG_HASATTR)
1234
1235 const_iv (FIEMAP_FLAG_SYNC)
1236 const_iv (FIEMAP_FLAG_XATTR)
1237 const_iv (FIEMAP_FLAGS_COMPAT)
1238 const_iv (FIEMAP_EXTENT_LAST)
1239 const_iv (FIEMAP_EXTENT_UNKNOWN)
1240 const_iv (FIEMAP_EXTENT_DELALLOC)
1241 const_iv (FIEMAP_EXTENT_ENCODED)
1242 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1243 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1244 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1245 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1246 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1247 const_iv (FIEMAP_EXTENT_MERGED)
1248 const_iv (FIEMAP_EXTENT_SHARED)
1249
1250 const_iv (SPLICE_F_MOVE)
1251 const_iv (SPLICE_F_NONBLOCK)
1252 const_iv (SPLICE_F_MORE)
1253 const_iv (SPLICE_F_GIFT)
1254
1255 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE)
1258
1259 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM)
1264
1265 const_iv (TFD_NONBLOCK)
1266 const_iv (TFD_CLOEXEC)
1267
1268 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET)
1270
1271 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END)
1275
732 const_iv (MCL_FUTURE) 1276 const_eio (MCL_FUTURE)
733 const_iv (MCL_CURRENT) 1277 const_eio (MCL_CURRENT)
1278 const_eio (MCL_ONFAULT)
734 1279
735 const_eio (MS_ASYNC) 1280 const_eio (MS_ASYNC)
736 const_eio (MS_INVALIDATE) 1281 const_eio (MS_INVALIDATE)
737 const_eio (MS_SYNC) 1282 const_eio (MS_SYNC)
738 1283
739 const_eio (MT_MODIFY) 1284 const_eio (MT_MODIFY)
740 1285
741 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1286 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
742 const_eio (SYNC_FILE_RANGE_WRITE) 1287 const_eio (SYNC_FILE_RANGE_WRITE)
743 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1288 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1289
1290 const_eio (FALLOC_FL_KEEP_SIZE)
1291 const_eio (FALLOC_FL_PUNCH_HOLE)
1292 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1293 const_eio (FALLOC_FL_ZERO_RANGE)
1294 const_eio (FALLOC_FL_INSERT_RANGE)
1295 const_eio (FALLOC_FL_UNSHARE_RANGE)
1296
1297 const_eio (RENAME_NOREPLACE)
1298 const_eio (RENAME_EXCHANGE)
1299 const_eio (RENAME_WHITEOUT)
744 1300
745 const_eio (READDIR_DENTS) 1301 const_eio (READDIR_DENTS)
746 const_eio (READDIR_DIRS_FIRST) 1302 const_eio (READDIR_DIRS_FIRST)
747 const_eio (READDIR_STAT_ORDER) 1303 const_eio (READDIR_STAT_ORDER)
748 const_eio (READDIR_FOUND_UNKNOWN) 1304 const_eio (READDIR_FOUND_UNKNOWN)
… …
759 }; 1315 };
760 1316
761 aio_stash = gv_stashpv ("IO::AIO" , 1); 1317 aio_stash = gv_stashpv ("IO::AIO" , 1);
762 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1318 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
763 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1319 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1320 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
764 1321
765 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1322 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
766 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1323 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
767 1324
768 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1325 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
769 1326
770 create_respipe (); 1327 /* allocate dummy pipe fd for aio_close */
1328 {
1329 int pipefd [2];
771 1330
772 if (eio_init (want_poll, done_poll) < 0) 1331 if (
773 croak ("IO::AIO: unable to initialise eio library"); 1332#ifdef _WIN32
1333 _pipe (pipefd, 1, _O_BINARY) < 0
1334#else
1335 pipe (pipefd) < 0
1336 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1337#endif
1338 || close (pipefd [1]) < 0
1339 )
1340 croak ("IO::AIO: unable to create dummy pipe for aio_close");
774 1341
775 /* atfork child called in fifo order, so before eio's handler */ 1342 close_fd = pipefd [0];
776 X_THREAD_ATFORK (0, 0, atfork_child); 1343 }
777}
778 1344
1345 reinit ();
1346}
1347
779void 1348void
1349reinit ()
1350 PROTOTYPE:
1351
1352void
780max_poll_reqs (int nreqs) 1353max_poll_reqs (unsigned int nreqs)
781 PROTOTYPE: $ 1354 PROTOTYPE: $
782 CODE: 1355 CODE:
783 eio_set_max_poll_reqs (nreqs); 1356 eio_set_max_poll_reqs (nreqs);
784 1357
785void 1358void
… …
787 PROTOTYPE: $ 1360 PROTOTYPE: $
788 CODE: 1361 CODE:
789 eio_set_max_poll_time (nseconds); 1362 eio_set_max_poll_time (nseconds);
790 1363
791void 1364void
792min_parallel (int nthreads) 1365min_parallel (unsigned int nthreads)
793 PROTOTYPE: $ 1366 PROTOTYPE: $
794 CODE: 1367 CODE:
795 eio_set_min_parallel (nthreads); 1368 eio_set_min_parallel (nthreads);
796 1369
797void 1370void
798max_parallel (int nthreads) 1371max_parallel (unsigned int nthreads)
799 PROTOTYPE: $ 1372 PROTOTYPE: $
800 CODE: 1373 CODE:
801 eio_set_max_parallel (nthreads); 1374 eio_set_max_parallel (nthreads);
802 1375
803void 1376void
804max_idle (int nthreads) 1377max_idle (unsigned int nthreads)
805 PROTOTYPE: $ 1378 PROTOTYPE: $
806 CODE: 1379 CODE:
807 eio_set_max_idle (nthreads); 1380 eio_set_max_idle (nthreads);
808 1381
809void 1382void
1383idle_timeout (unsigned int seconds)
1384 PROTOTYPE: $
1385 CODE:
1386 eio_set_idle_timeout (seconds);
1387
1388void
810max_outstanding (int maxreqs) 1389max_outstanding (unsigned int maxreqs)
811 PROTOTYPE: $ 1390 PROTOTYPE: $
812 CODE: 1391 CODE:
813 max_outstanding = maxreqs; 1392 max_outstanding = maxreqs;
814 1393
815void 1394void
816aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1395aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
817 PROTOTYPE: $$$;$
818 PPCODE: 1396 PPCODE:
819{ 1397{
820 dREQ; 1398 dREQ;
821 1399
1400 req->type = EIO_WD_OPEN;
1401 req_set_path1 (req, pathname);
1402
1403 REQ_SEND;
1404}
1405
1406void
1407aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1408 PPCODE:
1409{
1410 dREQ;
1411
822 req->type = EIO_OPEN; 1412 req->type = EIO_OPEN;
823 req->sv1 = newSVsv (pathname); 1413 req_set_path1 (req, pathname);
824 req->ptr1 = SvPVbyte_nolen (req->sv1);
825 req->int1 = flags; 1414 req->int1 = flags;
826 req->int2 = mode; 1415 req->int2 = mode;
827 1416
828 REQ_SEND; 1417 REQ_SEND;
829} 1418}
830 1419
831void 1420void
832aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1421aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
833 PROTOTYPE: $;$
834 ALIAS: 1422 ALIAS:
835 aio_fsync = EIO_FSYNC 1423 aio_fsync = EIO_FSYNC
836 aio_fdatasync = EIO_FDATASYNC 1424 aio_fdatasync = EIO_FDATASYNC
1425 aio_syncfs = EIO_SYNCFS
837 PPCODE: 1426 PPCODE:
838{ 1427{
839 int fd = s_fileno_croak (fh, 0); 1428 int fd = s_fileno_croak (fh, 0);
840 dREQ; 1429 dREQ;
841 1430
842 req->type = ix; 1431 req->type = ix;
843 req->sv1 = newSVsv (fh); 1432 req->sv1 = newSVsv (fh);
844 req->int1 = fd; 1433 req->int1 = fd;
845 1434
846 REQ_SEND (req); 1435 REQ_SEND;
847} 1436}
848 1437
849void 1438void
850aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1439aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
851 PROTOTYPE: $$$$;$
852 PPCODE: 1440 PPCODE:
853{ 1441{
854 int fd = s_fileno_croak (fh, 0); 1442 int fd = s_fileno_croak (fh, 0);
855 dREQ; 1443 dREQ;
856 1444
857 req->type = EIO_SYNC_FILE_RANGE; 1445 req->type = EIO_SYNC_FILE_RANGE;
858 req->sv1 = newSVsv (fh); 1446 req->sv1 = newSVsv (fh);
859 req->int1 = fd; 1447 req->int1 = fd;
860 req->offs = offset; 1448 req->offs = offset;
861 req->size = nbytes; 1449 req->size = nbytes;
862 req->int2 = flags; 1450 req->int2 = flags;
863 1451
864 REQ_SEND (req); 1452 REQ_SEND;
865} 1453}
866 1454
867void 1455void
868aio_close (SV *fh, SV *callback=&PL_sv_undef) 1456aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
869 PROTOTYPE: $;$
870 PPCODE: 1457 PPCODE:
871{ 1458{
872 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
873 int fd = s_fileno_croak (fh, 0); 1459 int fd = s_fileno_croak (fh, 0);
874 dREQ; 1460 dREQ;
875 1461
876 if (close_pipe < 0) 1462 req->type = EIO_FALLOCATE;
877 { 1463 req->sv1 = newSVsv (fh);
878 int pipefd [2]; 1464 req->int1 = fd;
1465 req->int2 = mode;
1466 req->offs = offset;
1467 req->size = len;
879 1468
880 if (pipe (pipefd) < 0 1469 REQ_SEND;
881 || close (pipefd [1]) < 0 1470}
882 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
883 abort (); /*D*/
884 1471
885 close_pipe = pipefd [0]; 1472void
886 } 1473aio_close (SV *fh, SV *callback = &PL_sv_undef)
1474 PPCODE:
1475{
1476 int fd = s_fileno_croak (fh, 0);
1477 dREQ;
887 1478
888 req->type = EIO_DUP2; 1479 req->type = EIO_DUP2;
889 req->int1 = close_pipe; 1480 req->int1 = close_fd;
890 req->sv2 = newSVsv (fh); 1481 req->sv2 = newSVsv (fh);
891 req->int2 = fd; 1482 req->int2 = fd;
892 1483
893 REQ_SEND (req); 1484 REQ_SEND;
894} 1485}
895 1486
896void 1487void
1488aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1489 PPCODE:
1490{
1491 int fd = s_fileno_croak (fh, 0);
1492 dREQ;
1493
1494 req->type = EIO_SEEK;
1495 req->sv1 = newSVsv (fh);
1496 req->int1 = fd;
1497 req->offs = SvVAL64 (offset);
1498 req->int2 = whence;
1499
1500 REQ_SEND;
1501}
1502
1503void
897aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1504aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
898 ALIAS: 1505 ALIAS:
899 aio_read = EIO_READ 1506 aio_read = EIO_READ
900 aio_write = EIO_WRITE 1507 aio_write = EIO_WRITE
901 PROTOTYPE: $$$$$;$
902 PPCODE: 1508 PPCODE:
903{ 1509{
904 STRLEN svlen; 1510 STRLEN svlen;
905 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1511 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
906 char *svptr = SvPVbyte (data, svlen); 1512 char *svptr = SvPVbyte (data, svlen);
… …
919 len = svlen - dataoffset; 1525 len = svlen - dataoffset;
920 } 1526 }
921 else 1527 else
922 { 1528 {
923 /* read: check type and grow scalar as necessary */ 1529 /* read: check type and grow scalar as necessary */
924 SvUPGRADE (data, SVt_PV); 1530 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
925 svptr = SvGROW (data, len + dataoffset + 1); 1531 svptr = sv_grow (data, len + dataoffset + 1);
1532 else if (SvCUR (data) < len + dataoffset)
1533 croak ("length + dataoffset outside of scalar, and cannot grow");
926 } 1534 }
927 1535
928 { 1536 {
929 dREQ; 1537 dREQ;
930 1538
… …
946 REQ_SEND; 1554 REQ_SEND;
947 } 1555 }
948} 1556}
949 1557
950void 1558void
951aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1559aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
952 PROTOTYPE: $$;$ 1560 ALIAS:
1561 aio_ioctl = EIO_IOCTL
1562 aio_fcntl = EIO_FCNTL
953 PPCODE: 1563 PPCODE:
954{ 1564{
955 SV *data; 1565 int fd = s_fileno_croak (fh, 0);
1566 char *svptr;
1567
1568 if (SvPOK (arg) || !SvNIOK (arg))
1569 {
1570 STRLEN svlen;
1571 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1572#ifdef IOCPARM_LEN
1573 STRLEN need = IOCPARM_LEN (request);
1574#else
1575 STRLEN need = 256;
1576#endif
1577
1578 if (svlen < need)
1579 svptr = SvGROW (arg, need);
1580 }
1581 else
1582 svptr = (char *)SvIV (arg);
1583
1584 {
1585 dREQ;
1586
1587 req->type = ix;
1588 req->sv1 = newSVsv (fh);
1589 req->int1 = fd;
1590 req->int2 = (long)request;
1591 req->sv2 = SvREFCNT_inc (arg);
1592 req->ptr2 = svptr;
1593
1594 REQ_SEND;
1595 }
1596}
1597
1598void
1599aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1600 ALIAS:
1601 aio_readlink = EIO_READLINK
1602 aio_realpath = EIO_REALPATH
1603 PPCODE:
1604{
956 dREQ; 1605 dREQ;
957 1606
958 req->type = EIO_READLINK; 1607 req->type = ix;
959 req->sv1 = newSVsv (path); 1608 req_set_path1 (req, pathname);
960 req->ptr1 = SvPVbyte_nolen (req->sv1);
961 1609
962 REQ_SEND; 1610 REQ_SEND;
963} 1611}
964 1612
965void 1613void
966aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1614aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
967 PROTOTYPE: $$$$;$
968 PPCODE: 1615 PPCODE:
969{ 1616{
970 int ifd = s_fileno_croak (in_fh , 0); 1617 int ifd = s_fileno_croak (in_fh , 0);
971 int ofd = s_fileno_croak (out_fh, 1); 1618 int ofd = s_fileno_croak (out_fh, 1);
972 dREQ; 1619 dREQ;
973 1620
974 req->type = EIO_SENDFILE; 1621 req->type = EIO_SENDFILE;
975 req->sv1 = newSVsv (out_fh); 1622 req->sv1 = newSVsv (out_fh);
976 req->int1 = ofd; 1623 req->int1 = ofd;
… …
981 1628
982 REQ_SEND; 1629 REQ_SEND;
983} 1630}
984 1631
985void 1632void
986aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1633aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
987 PROTOTYPE: $$$;$
988 PPCODE: 1634 PPCODE:
989{ 1635{
990 int fd = s_fileno_croak (fh, 0); 1636 int fd = s_fileno_croak (fh, 0);
991 dREQ; 1637 dREQ;
992 1638
993 req->type = EIO_READAHEAD; 1639 req->type = EIO_READAHEAD;
994 req->sv1 = newSVsv (fh); 1640 req->sv1 = newSVsv (fh);
995 req->int1 = fd; 1641 req->int1 = fd;
… …
998 1644
999 REQ_SEND; 1645 REQ_SEND;
1000} 1646}
1001 1647
1002void 1648void
1003aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1649aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1004 ALIAS: 1650 ALIAS:
1005 aio_stat = EIO_STAT 1651 aio_stat = EIO_STAT
1006 aio_lstat = EIO_LSTAT 1652 aio_lstat = EIO_LSTAT
1007 aio_statvfs = EIO_STATVFS 1653 aio_statvfs = EIO_STATVFS
1008 PPCODE: 1654 PPCODE:
1009{ 1655{
1010 dREQ; 1656 dREQ;
1011 1657
1012 req->sv1 = newSVsv (fh_or_path); 1658 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1013
1014 if (SvPOK (req->sv1))
1015 {
1016 req->type = ix;
1017 req->ptr1 = SvPVbyte_nolen (req->sv1);
1018 }
1019 else
1020 {
1021 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1022 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1023 }
1024 1659
1025 REQ_SEND; 1660 REQ_SEND;
1026} 1661}
1027 1662
1028void 1663void
1664st_xtime ()
1665 ALIAS:
1666 st_atime = 0x01
1667 st_mtime = 0x02
1668 st_ctime = 0x04
1669 st_btime = 0x08
1670 st_xtime = 0x0f
1671 PPCODE:
1672 EXTEND (SP, 4);
1673 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1674 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1675 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1676 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1677
1678void
1679st_xtimensec ()
1680 ALIAS:
1681 st_atimensec = 0x01
1682 st_mtimensec = 0x02
1683 st_ctimensec = 0x04
1684 st_btimensec = 0x08
1685 st_xtimensec = 0x0f
1686 st_btimesec = 0x10
1687 st_gen = 0x20
1688 PPCODE:
1689 EXTEND (SP, 4);
1690 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1691 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1692 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1693 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1694 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1695 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1696
1697UV
1698major (UV dev)
1699 ALIAS:
1700 minor = 1
1701 CODE:
1702 RETVAL = ix ? minor (dev) : major (dev);
1703 OUTPUT:
1704 RETVAL
1705
1706UV
1707makedev (UV maj, UV min)
1708 CODE:
1709 RETVAL = makedev (maj, min);
1710 OUTPUT:
1711 RETVAL
1712
1713void
1029aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1714aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1030 PPCODE: 1715 PPCODE:
1031{ 1716{
1032 dREQ; 1717 dREQ;
1033 1718
1034 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1719 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1035 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1720 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1036 req->sv1 = newSVsv (fh_or_path); 1721 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1037
1038 if (SvPOK (req->sv1))
1039 {
1040 req->type = EIO_UTIME;
1041 req->ptr1 = SvPVbyte_nolen (req->sv1);
1042 }
1043 else
1044 {
1045 req->type = EIO_FUTIME;
1046 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047 }
1048 1722
1049 REQ_SEND; 1723 REQ_SEND;
1050} 1724}
1051 1725
1052void 1726void
1053aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1727aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1054 PPCODE: 1728 PPCODE:
1055{ 1729{
1056 dREQ; 1730 dREQ;
1057 1731
1058 req->sv1 = newSVsv (fh_or_path);
1059 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1732 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1060 1733 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1061 if (SvPOK (req->sv1))
1062 {
1063 req->type = EIO_TRUNCATE;
1064 req->ptr1 = SvPVbyte_nolen (req->sv1);
1065 }
1066 else
1067 {
1068 req->type = EIO_FTRUNCATE;
1069 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1070 }
1071 1734
1072 REQ_SEND; 1735 REQ_SEND;
1073} 1736}
1074 1737
1075void 1738void
1076aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1739aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1077 ALIAS:
1078 aio_chmod = EIO_CHMOD
1079 aio_mkdir = EIO_MKDIR
1080 PPCODE: 1740 PPCODE:
1081{ 1741{
1082 dREQ; 1742 dREQ;
1083 1743
1084 req->int2 = mode; 1744 req->int2 = mode;
1085 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1086
1087 if (SvPOK (req->sv1))
1088 {
1089 req->type = ix;
1090 req->ptr1 = SvPVbyte_nolen (req->sv1);
1091 }
1092 else
1093 {
1094 req->type = EIO_FCHMOD;
1095 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1096 }
1097 1746
1098 REQ_SEND; 1747 REQ_SEND;
1099} 1748}
1100 1749
1101void 1750void
1102aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1751aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1103 PPCODE: 1752 PPCODE:
1104{ 1753{
1105 dREQ; 1754 dREQ;
1106 1755
1107 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1756 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1108 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1757 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1109 req->sv1 = newSVsv (fh_or_path); 1758 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1110
1111 if (SvPOK (req->sv1))
1112 {
1113 req->type = EIO_CHOWN;
1114 req->ptr1 = SvPVbyte_nolen (req->sv1);
1115 }
1116 else
1117 {
1118 req->type = EIO_FCHOWN;
1119 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1120 }
1121 1759
1122 REQ_SEND; 1760 REQ_SEND;
1123} 1761}
1124 1762
1125void 1763void
1126aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1764aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1127 PPCODE: 1765 PPCODE:
1128{ 1766{
1129 dREQ; 1767 dREQ;
1130 1768
1131 req->type = EIO_READDIR; 1769 req->type = EIO_READDIR;
1132 req->sv1 = newSVsv (pathname);
1133 req->ptr1 = SvPVbyte_nolen (req->sv1);
1134 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1770 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1135 1771
1136 if (flags & EIO_READDIR_DENTS) 1772 if (flags & EIO_READDIR_DENTS)
1137 req->int1 |= EIO_READDIR_CUSTOM2; 1773 req->int1 |= EIO_READDIR_CUSTOM2;
1138 1774
1775 req_set_path1 (req, pathname);
1776
1139 REQ_SEND; 1777 REQ_SEND;
1140} 1778}
1141 1779
1142void 1780void
1781aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1782 PPCODE:
1783{
1784 dREQ;
1785
1786 req->type = EIO_MKDIR;
1787 req->int2 = mode;
1788 req_set_path1 (req, pathname);
1789
1790 REQ_SEND;
1791}
1792
1793void
1143aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1794aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1144 ALIAS: 1795 ALIAS:
1145 aio_unlink = EIO_UNLINK 1796 aio_unlink = EIO_UNLINK
1146 aio_rmdir = EIO_RMDIR 1797 aio_rmdir = EIO_RMDIR
1147 aio_readdir = EIO_READDIR 1798 aio_readdir = EIO_READDIR
1148 PPCODE: 1799 PPCODE:
1149{ 1800{
1150 dREQ; 1801 dREQ;
1151 1802
1152 req->type = ix; 1803 req->type = ix;
1153 req->sv1 = newSVsv (pathname); 1804 req_set_path1 (req, pathname);
1154 req->ptr1 = SvPVbyte_nolen (req->sv1);
1155 1805
1156 REQ_SEND; 1806 REQ_SEND;
1157} 1807}
1158 1808
1159void 1809void
1160aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1810aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1161 ALIAS: 1811 ALIAS:
1162 aio_link = EIO_LINK 1812 aio_link = EIO_LINK
1163 aio_symlink = EIO_SYMLINK 1813 aio_symlink = EIO_SYMLINK
1164 aio_rename = EIO_RENAME 1814 aio_rename = EIO_RENAME
1165 PPCODE: 1815 PPCODE:
1166{ 1816{
1817 eio_wd wd2 = 0;
1167 dREQ; 1818 dREQ;
1168 1819
1169 req->type = ix; 1820 req->type = ix;
1170 req->sv1 = newSVsv (oldpath); 1821 req_set_path1 (req, oldpath);
1171 req->ptr1 = SvPVbyte_nolen (req->sv1); 1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1172 req->sv2 = newSVsv (newpath); 1823 req->int3 = (long)wd2;
1173 req->ptr2 = SvPVbyte_nolen (req->sv2);
1174 1824
1175 REQ_SEND; 1825 REQ_SEND;
1176} 1826}
1177 1827
1178void 1828void
1829aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1830 PPCODE:
1831{
1832 eio_wd wd2 = 0;
1833 dREQ;
1834
1835 req->type = EIO_RENAME;
1836 req_set_path1 (req, oldpath);
1837 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1838 req->int2 = flags;
1839 req->int3 = (long)wd2;
1840
1841 REQ_SEND;
1842}
1843
1844void
1179aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1845aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1180 PPCODE: 1846 PPCODE:
1181{ 1847{
1182 dREQ; 1848 dREQ;
1183 1849
1184 req->type = EIO_MKNOD; 1850 req->type = EIO_MKNOD;
1185 req->sv1 = newSVsv (pathname);
1186 req->ptr1 = SvPVbyte_nolen (req->sv1);
1187 req->int2 = (mode_t)mode; 1851 req->int2 = (mode_t)mode;
1188 req->offs = dev; 1852 req->offs = dev;
1853 req_set_path1 (req, pathname);
1189 1854
1190 REQ_SEND; 1855 REQ_SEND;
1191} 1856}
1192 1857
1193void 1858void
1194aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1859aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1195 ALIAS: 1860 ALIAS:
1196 aio_mtouch = EIO_MTOUCH 1861 aio_mtouch = EIO_MTOUCH
1197 aio_msync = EIO_MSYNC 1862 aio_msync = EIO_MSYNC
1198 PROTOTYPE: $$$$;$
1199 PPCODE: 1863 PPCODE:
1200{ 1864{
1201 STRLEN svlen; 1865 STRLEN svlen;
1866 char *svptr = SvPVbyte (data, svlen);
1202 UV len = SvUV (length); 1867 UV len = SvUV (length);
1203 char *svptr = SvPVbyte (data, svlen); 1868
1869 if (flags < 0)
1870 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1204 1871
1205 if (offset < 0) 1872 if (offset < 0)
1206 offset += svlen; 1873 offset += svlen;
1207 1874
1208 if (offset < 0 || offset > svlen) 1875 if (offset < 0 || offset > svlen)
… …
1213 1880
1214 { 1881 {
1215 dREQ; 1882 dREQ;
1216 1883
1217 req->type = ix; 1884 req->type = ix;
1218 req->size = len;
1219 req->sv2 = SvREFCNT_inc (data); 1885 req->sv2 = SvREFCNT_inc (data);
1220 req->ptr2 = (char *)svptr + offset; 1886 req->ptr2 = (char *)svptr + offset;
1887 req->size = len;
1221 req->int1 = flags; 1888 req->int1 = flags;
1222 1889
1223 REQ_SEND; 1890 REQ_SEND;
1224 } 1891 }
1225} 1892}
1226 1893
1227void 1894void
1895aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1896 PPCODE:
1897{
1898 STRLEN svlen;
1899 char *svptr = SvPVbyte (data, svlen);
1900 UV len = SvUV (length);
1901
1902 if (offset < 0)
1903 offset += svlen;
1904
1905 if (offset < 0 || offset > svlen)
1906 croak ("offset outside of scalar");
1907
1908 if (!SvOK (length) || len + offset > svlen)
1909 len = svlen - offset;
1910
1911 {
1912 dREQ;
1913
1914 req->type = EIO_MLOCK;
1915 req->sv2 = SvREFCNT_inc (data);
1916 req->ptr2 = (char *)svptr + offset;
1917 req->size = len;
1918
1919 REQ_SEND;
1920 }
1921}
1922
1923void
1924aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1925 PPCODE:
1926{
1927 dREQ;
1928
1929 req->type = EIO_MLOCKALL;
1930 req->int1 = flags;
1931
1932 REQ_SEND;
1933}
1934
1935void
1936aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1937 PPCODE:
1938{
1939 int fd = s_fileno_croak (fh, 0);
1940 dREQ;
1941
1942 req->type = EIO_CUSTOM;
1943 req->sv1 = newSVsv (fh);
1944 req->int1 = fd;
1945
1946 req->feed = fiemap;
1947#if HAVE_FIEMAP
1948 /* keep our fingers crossed that the next two types are 64 bit */
1949 req->offs = start;
1950 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1951 req->int2 = flags;
1952 req->int3 = SvOK (count) ? SvIV (count) : -1;
1953#endif
1954
1955 REQ_SEND;
1956}
1957
1958void
1959aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1960 PPCODE:
1961{
1962 char *svptr = 0;
1963
1964 sv_clear_foreign (data);
1965
1966 if (length) /* known length, directly read into scalar */
1967 {
1968 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1969 svptr = sv_grow (data, length + 1);
1970 else if (SvCUR (data) < length)
1971 croak ("length outside of scalar, and cannot grow");
1972 else
1973 svptr = SvPVbyte_nolen (data);
1974 }
1975
1976 {
1977 dREQ;
1978
1979 req->type = EIO_SLURP;
1980 req_set_path1 (req, pathname);
1981 req->offs = offset;
1982 req->size = length;
1983 req->sv2 = SvREFCNT_inc (data);
1984 req->ptr2 = svptr;
1985
1986 if (!SvREADONLY (data))
1987 {
1988 SvREADONLY_on (data);
1989 req->flags |= FLAG_SV2_RO_OFF;
1990 }
1991
1992 REQ_SEND;
1993 }
1994}
1995
1996void
1228aio_busy (double delay, SV *callback=&PL_sv_undef) 1997aio_busy (double delay, SV *callback = &PL_sv_undef)
1229 PPCODE: 1998 PPCODE:
1230{ 1999{
1231 dREQ; 2000 dREQ;
1232 2001
1233 req->type = EIO_BUSY; 2002 req->type = EIO_BUSY;
… …
1235 2004
1236 REQ_SEND; 2005 REQ_SEND;
1237} 2006}
1238 2007
1239void 2008void
1240aio_group (SV *callback=&PL_sv_undef) 2009aio_group (SV *callback = &PL_sv_undef)
1241 PROTOTYPE: ;$
1242 PPCODE: 2010 PPCODE:
1243{ 2011{
1244 dREQ; 2012 dREQ;
1245 2013
1246 req->type = EIO_GROUP; 2014 req->type = EIO_GROUP;
1247 2015
2016 PUTBACK;
1248 req_submit (req); 2017 req_submit (req);
2018 SPAGAIN;
2019
1249 XPUSHs (req_sv (req, aio_grp_stash)); 2020 XPUSHs (req_sv (req, aio_grp_stash));
1250} 2021}
1251 2022
1252void 2023void
1253aio_nop (SV *callback=&PL_sv_undef) 2024aio_nop (SV *callback = &PL_sv_undef)
1254 ALIAS: 2025 ALIAS:
1255 aio_nop = EIO_NOP 2026 aio_nop = EIO_NOP
1256 aio_sync = EIO_SYNC 2027 aio_sync = EIO_SYNC
1257 PPCODE: 2028 PPCODE:
1258{ 2029{
… …
1262 2033
1263 REQ_SEND; 2034 REQ_SEND;
1264} 2035}
1265 2036
1266int 2037int
1267aioreq_pri (int pri = 0) 2038aioreq_pri (int pri = NO_INIT)
1268 PROTOTYPE: ;$
1269 CODE: 2039 CODE:
1270 RETVAL = next_pri; 2040 RETVAL = next_pri;
1271 if (items > 0) 2041 if (items > 0)
1272 { 2042 {
1273 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2043 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1285 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2055 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1286 next_pri = nice; 2056 next_pri = nice;
1287 2057
1288void 2058void
1289flush () 2059flush ()
1290 PROTOTYPE:
1291 CODE: 2060 CODE:
1292 while (eio_nreqs ()) 2061 while (eio_nreqs ())
1293 { 2062 {
1294 poll_wait (); 2063 poll_wait ();
1295 poll_cb (); 2064 poll_cb ();
1296 } 2065 }
1297 2066
1298int 2067int
1299poll() 2068poll ()
1300 PROTOTYPE:
1301 CODE: 2069 CODE:
1302 poll_wait (); 2070 poll_wait ();
1303 RETVAL = poll_cb (); 2071 RETVAL = poll_cb ();
1304 OUTPUT: 2072 OUTPUT:
1305 RETVAL 2073 RETVAL
1306 2074
1307int 2075int
1308poll_fileno() 2076poll_fileno ()
1309 PROTOTYPE:
1310 CODE: 2077 CODE:
1311 RETVAL = s_epipe_fd (&respipe); 2078 RETVAL = s_epipe_fd (&respipe);
1312 OUTPUT: 2079 OUTPUT:
1313 RETVAL 2080 RETVAL
1314 2081
1315int 2082int
1316poll_cb(...) 2083poll_cb (...)
1317 PROTOTYPE: 2084 PROTOTYPE:
1318 CODE: 2085 CODE:
1319 RETVAL = poll_cb (); 2086 RETVAL = poll_cb ();
1320 OUTPUT: 2087 OUTPUT:
1321 RETVAL 2088 RETVAL
1322 2089
1323void 2090void
1324poll_wait() 2091poll_wait ()
1325 PROTOTYPE:
1326 CODE: 2092 CODE:
1327 poll_wait (); 2093 poll_wait ();
1328 2094
1329int 2095int
1330nreqs() 2096nreqs ()
1331 PROTOTYPE:
1332 CODE: 2097 CODE:
1333 RETVAL = eio_nreqs (); 2098 RETVAL = eio_nreqs ();
1334 OUTPUT: 2099 OUTPUT:
1335 RETVAL 2100 RETVAL
1336 2101
1337int 2102int
1338nready() 2103nready ()
1339 PROTOTYPE:
1340 CODE: 2104 CODE:
1341 RETVAL = eio_nready (); 2105 RETVAL = eio_nready ();
1342 OUTPUT: 2106 OUTPUT:
1343 RETVAL 2107 RETVAL
1344 2108
1345int 2109int
1346npending() 2110npending ()
1347 PROTOTYPE:
1348 CODE: 2111 CODE:
1349 RETVAL = eio_npending (); 2112 RETVAL = eio_npending ();
1350 OUTPUT: 2113 OUTPUT:
1351 RETVAL 2114 RETVAL
1352 2115
1353int 2116int
1354nthreads() 2117nthreads ()
1355 PROTOTYPE:
1356 CODE: 2118 CODE:
1357 RETVAL = eio_nthreads (); 2119 RETVAL = eio_nthreads ();
1358 OUTPUT: 2120 OUTPUT:
1359 RETVAL 2121 RETVAL
1360 2122
1361int 2123int
1362fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2124fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1363 PROTOTYPE: $$$$
1364 CODE: 2125 CODE:
1365#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1366 RETVAL = posix_fadvise (fh, offset, length, advice); 2126 RETVAL = posix_fadvise (fh, offset, length, advice);
1367#else
1368 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1369#endif
1370 OUTPUT: 2127 OUTPUT:
1371 RETVAL 2128 RETVAL
1372 2129
1373ssize_t 2130IV
1374sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2131sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1375 PROTOTYPE: $$$$
1376 CODE: 2132 CODE:
1377 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2133 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1378 OUTPUT: 2134 OUTPUT:
1379 RETVAL 2135 RETVAL
1380 2136
1381void 2137void
1382mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2138mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1383 PROTOTYPE: $$$$$;$
1384 PPCODE: 2139 PPCODE:
1385 sv_unmagic (scalar, MMAP_MAGIC); 2140 sv_clear_foreign (scalar);
1386{ 2141{
1387 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2142 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1388 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2143 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1389 if (addr == (void *)-1) 2144 if (addr == (void *)-1)
1390 XSRETURN_NO; 2145 XSRETURN_NO;
1391 2146
1392 /* we store the length in mg_obj, as namlen is I32 :/ */ 2147 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1393 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1394 ->mg_obj = (SV *)length;
1395 2148
1396 SvUPGRADE (scalar, SVt_PV); /* nop... */
1397 if (!(prot & PROT_WRITE)) 2149 if (!(prot & PROT_WRITE))
1398 SvREADONLY_on (scalar); 2150 SvREADONLY_on (scalar);
1399 2151
1400 SvPVX (scalar) = (char *)addr;
1401 SvCUR_set (scalar, length);
1402 SvLEN_set (scalar, 0);
1403 SvPOK_only (scalar);
1404
1405 XSRETURN_YES; 2152 XSRETURN_YES;
1406} 2153}
1407 2154
1408void 2155void
1409munmap (SV *scalar) 2156munmap (SV *scalar)
1410 PROTOTYPE: $
1411 CODE: 2157 CODE:
1412 sv_unmagic (scalar, MMAP_MAGIC); 2158 sv_clear_foreign (scalar);
2159
2160SV *
2161mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2162 CODE:
2163{
2164 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2165 void *new;
2166
2167 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2168 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2169
2170 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2171
2172 RETVAL = &PL_sv_no;
2173
2174 if (new != (void *)-1)
2175 {
2176 RETVAL = new == (void *)mg->mg_ptr
2177 ? newSVpvn ("0 but true", 10)
2178 : &PL_sv_yes;
2179
2180 mg->mg_ptr = (char *)new;
2181 mg->mg_obj = (SV *)new_length;
2182
2183 SvPVX (scalar) = mg->mg_ptr;
2184 SvCUR_set (scalar, new_length);
2185 }
2186}
2187 OUTPUT:
2188 RETVAL
2189
2190int
2191madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2192 ALIAS:
2193 mprotect = 1
2194 CODE:
2195{
2196 STRLEN svlen;
2197 void *addr = SvPVbyte (scalar, svlen);
2198 STRLEN len = SvUV (length);
2199
2200 if (offset < 0)
2201 offset += svlen;
2202
2203 if (offset < 0 || offset > svlen)
2204 croak ("offset outside of scalar");
2205
2206 if (!SvOK (length) || len + offset > svlen)
2207 len = svlen - offset;
2208
2209 addr = (void *)(((intptr_t)addr) + offset);
2210 eio_page_align (&addr, &len);
2211
2212 switch (ix)
2213 {
2214 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2215 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2216 }
2217}
2218 OUTPUT:
2219 RETVAL
2220
2221int
2222munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2223 CODE:
2224{
2225 STRLEN svlen;
2226 void *addr = SvPVbyte (scalar, svlen);
2227 size_t len = SvUV (length);
2228
2229 if (offset < 0)
2230 offset += svlen;
2231
2232 if (offset < 0 || offset > svlen)
2233 croak ("offset outside of scalar");
2234
2235 if (!SvOK (length) || len + offset > svlen)
2236 len = svlen - offset;
2237
2238 addr = (void *)(((intptr_t)addr) + offset);
2239 eio_page_align (&addr, &len);
2240#if _POSIX_MEMLOCK_RANGE
2241 RETVAL = munlock (addr, len);
2242#else
2243 RETVAL = EIO_ENOSYS ();
2244#endif
2245}
2246 OUTPUT:
2247 RETVAL
1413 2248
1414int 2249int
1415mlockall (int flags) 2250mlockall (int flags)
1416 PROTOTYPE: $ 2251 PROTOTYPE: $;
1417 CODE: 2252 CODE:
1418#if _POSIX_MEMLOCK 2253 RETVAL = eio_mlockall_sync (flags);
1419#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2254 OUTPUT:
1420 extern int mallopt (int, int);
1421 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1422#endif
1423 mlockall (flags);
1424#else
1425 RETVAL = -1;
1426 errno = ENOSYS;
1427#endif
1428 OUTPUT:
1429 RETVAL 2255 RETVAL
1430 2256
1431int 2257int
1432munlockall () 2258munlockall ()
1433 PROTOTYPE:
1434 CODE: 2259 CODE:
1435#if _POSIX_MEMLOCK 2260#if _POSIX_MEMLOCK
1436 munlockall (); 2261 munlockall ();
1437#else 2262#else
1438 RETVAL = -1; 2263 RETVAL = EIO_ENOSYS ();
1439 errno = ENOSYS;
1440#endif 2264#endif
1441 OUTPUT: 2265 OUTPUT:
1442 RETVAL 2266 RETVAL
2267
2268int
2269splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2270 CODE:
2271{
2272#if HAVE_LINUX_SPLICE
2273 loff_t off_in_, off_out_;
2274 RETVAL = splice (
2275 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2276 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2277 length, flags
2278 );
2279#else
2280 RETVAL = EIO_ENOSYS ();
2281#endif
2282}
2283 OUTPUT:
2284 RETVAL
2285
2286int
2287tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2288 CODE:
2289#if HAVE_LINUX_SPLICE
2290 RETVAL = tee (rfh, wfh, length, flags);
2291#else
2292 RETVAL = EIO_ENOSYS ();
2293#endif
2294 OUTPUT:
2295 RETVAL
2296
2297int
2298pipesize (aio_rfd rfh, int new_size = -1)
2299 PROTOTYPE: $;$
2300 CODE:
2301#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2302 if (new_size >= 0)
2303 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2304 else
2305 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2306#else
2307 errno = ENOSYS;
2308 RETVAL = -1;
2309#endif
2310 OUTPUT:
2311 RETVAL
2312
2313void
2314pipe2 (int flags = 0)
2315 PROTOTYPE: ;$
2316 PPCODE:
2317{
2318 int fd[2];
2319 int res;
2320
2321 if (flags)
2322#if HAVE_PIPE2
2323 res = pipe2 (fd, flags);
2324#else
2325 res = (errno = ENOSYS, -1);
2326#endif
2327 else
2328 res = pipe (fd);
2329
2330 if (!res)
2331 {
2332 EXTEND (SP, 2);
2333 PUSHs (newmortalFH (fd[0], O_RDONLY));
2334 PUSHs (newmortalFH (fd[1], O_WRONLY));
2335 }
2336}
2337
2338void
2339eventfd (unsigned int initval = 0, int flags = 0)
2340 PPCODE:
2341{
2342 int fd;
2343#if HAVE_EVENTFD
2344 fd = eventfd (initval, flags);
2345#else
2346 fd = (errno = ENOSYS, -1);
2347#endif
2348
2349 XPUSHs (newmortalFH (fd, O_RDWR));
2350}
2351
2352void
2353timerfd_create (int clockid, int flags = 0)
2354 PPCODE:
2355{
2356 int fd;
2357#if HAVE_TIMERFD
2358 fd = timerfd_create (clockid, flags);
2359#else
2360 fd = (errno = ENOSYS, -1);
2361#endif
2362
2363 XPUSHs (newmortalFH (fd, O_RDWR));
2364}
2365
2366void
2367timerfd_settime (SV *fh, int flags, NV interval, NV value)
2368 PPCODE:
2369{
2370 int fd = s_fileno_croak (fh, 0);
2371#if HAVE_TIMERFD
2372 int res;
2373 struct itimerspec its, ots;
2374
2375 ts_set (&its.it_interval, interval);
2376 ts_set (&its.it_value , value);
2377 res = timerfd_settime (fd, flags, &its, &ots);
2378
2379 if (!res)
2380 {
2381 EXTEND (SP, 2);
2382 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2383 PUSHs (newSVnv (ts_get (&ots.it_value)));
2384 }
2385#else
2386 errno = ENOSYS;
2387#endif
2388}
2389
2390void
2391timerfd_gettime (SV *fh)
2392 PPCODE:
2393{
2394 int fd = s_fileno_croak (fh, 0);
2395#if HAVE_TIMERFD
2396 int res;
2397 struct itimerspec ots;
2398 res = timerfd_gettime (fd, &ots);
2399
2400 if (!res)
2401 {
2402 EXTEND (SP, 2);
2403 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2404 PUSHs (newSVnv (ts_get (&ots.it_value)));
2405 }
2406#else
2407 errno = ENOSYS;
2408#endif
2409}
2410
2411UV
2412get_fdlimit ()
2413 CODE:
2414#if HAVE_RLIMITS
2415 struct rlimit rl;
2416 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2417 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2418#endif
2419 XSRETURN_UNDEF;
2420 OUTPUT:
2421 RETVAL
2422
2423void
2424min_fdlimit (UV limit = 0x7fffffffU)
2425 CODE:
2426{
2427#if HAVE_RLIMITS
2428 struct rlimit rl;
2429 rlim_t orig_rlim_max;
2430 UV bit;
2431
2432 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2433 goto fail;
2434
2435 if (rl.rlim_cur == RLIM_INFINITY)
2436 XSRETURN_YES;
2437
2438 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2439
2440 if (rl.rlim_cur < limit)
2441 {
2442 rl.rlim_cur = limit;
2443
2444 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2445 rl.rlim_max = rl.rlim_cur;
2446 }
2447
2448 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2449 XSRETURN_YES;
2450
2451 if (errno == EPERM)
2452 {
2453 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2454 /* our limit overflows a system-wide limit */
2455 /* try an adaptive algorithm, but do not lower the hardlimit */
2456 rl.rlim_max = 0;
2457 for (bit = 0x40000000U; bit; bit >>= 1)
2458 {
2459 rl.rlim_max |= bit;
2460 rl.rlim_cur = rl.rlim_max;
2461
2462 /* nevr decrease the hard limit */
2463 if (rl.rlim_max < orig_rlim_max)
2464 break;
2465
2466 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2467 rl.rlim_max &= ~bit; /* too high, remove bit again */
2468 }
2469
2470 /* now, raise the soft limit to the max permitted */
2471 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2472 {
2473 rl.rlim_cur = rl.rlim_max;
2474 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2475 errno = EPERM;
2476 }
2477 }
2478#endif
2479 fail:
2480 XSRETURN_UNDEF;
2481}
1443 2482
1444void _on_next_submit (SV *cb) 2483void _on_next_submit (SV *cb)
1445 CODE: 2484 CODE:
1446 SvREFCNT_dec (on_next_submit); 2485 SvREFCNT_dec (on_next_submit);
1447 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2486 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1448 2487
1449PROTOTYPES: DISABLE 2488PROTOTYPES: DISABLE
1450 2489
2490MODULE = IO::AIO PACKAGE = IO::AIO::WD
2491
2492BOOT:
2493{
2494 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2495 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2496}
2497
2498void
2499DESTROY (SV *self)
2500 CODE:
2501{
2502 aio_wd wd = SvAIO_WD (self);
2503#if HAVE_AT
2504 {
2505 SV *callback = &PL_sv_undef;
2506 dREQ; /* clobbers next_pri :/ */
2507 next_pri = req->pri; /* restore next_pri */
2508 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2509 req->type = EIO_WD_CLOSE;
2510 req->wd = wd;
2511 REQ_SEND;
2512 }
2513#else
2514 eio_wd_close_sync (wd);
2515#endif
2516}
2517
1451MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2518MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1452 2519
1453void 2520void
1454cancel (aio_req_ornot req) 2521cancel (aio_req_ornot req)
1455 CODE: 2522 CODE:
1456 eio_cancel (req); 2523 eio_cancel (req);
1457 2524
1458void 2525void
1459cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2526cb (aio_req_ornot req, SV *callback = NO_INIT)
1460 PPCODE: 2527 PPCODE:
1461{ 2528{
1462 if (GIMME_V != G_VOID) 2529 if (GIMME_V != G_VOID)
1463 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2530 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1464 2531
1465 if (items > 1) 2532 if (items > 1)
1466 { 2533 {
1467 SV *cb_cv =get_cb (callback); 2534 SV *cb_cv = get_cb (callback);
1468 2535
1469 SvREFCNT_dec (req->callback); 2536 SvREFCNT_dec (req->callback);
1470 req->callback = SvREFCNT_inc (cb_cv); 2537 req->callback = SvREFCNT_inc (cb_cv);
1471 } 2538 }
1472} 2539}
… …
1529limit (aio_req grp, int limit) 2596limit (aio_req grp, int limit)
1530 CODE: 2597 CODE:
1531 eio_grp_limit (grp, limit); 2598 eio_grp_limit (grp, limit);
1532 2599
1533void 2600void
1534feed (aio_req grp, SV *callback=&PL_sv_undef) 2601feed (aio_req grp, SV *callback = &PL_sv_undef)
1535 CODE: 2602 CODE:
1536{ 2603{
1537 SvREFCNT_dec (grp->sv2); 2604 SvREFCNT_dec (grp->sv2);
1538 grp->sv2 = newSVsv (callback); 2605 grp->sv2 = newSVsv (callback);
1539 grp->feed = aio_grp_feed; 2606 grp->feed = aio_grp_feed;

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