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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.261 by root, Tue Jul 24 19:32:20 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#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 24# include <sys/mman.h>
25#endif
26
27/* the incompetent fool that created musl keeps __linux__, refuses
28 * to implement any linux standard apis, and also has no way to test
29 * for his broken iplementation. don't complain to me if this fails
30 * for you.
31 */
32#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
33# include <linux/fs.h>
34# ifdef FS_IOC_FIEMAP
35# include <linux/types.h>
36# include <linux/fiemap.h>
37# define HAVE_FIEMAP 1
38# endif
23#endif 39#endif
24 40
25/* perl namespace pollution */ 41/* perl namespace pollution */
26#undef VERSION 42#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 43
77/* perl stupidly overrides readdir and maybe others */ 44/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 45/* with thread-unsafe versions, imagine that :( */
79#undef readdir 46#undef readdir
80#undef opendir 47#undef opendir
81#undef closedir 48#undef closedir
82 49
50#ifdef _WIN32
51
52 // perl overrides all those nice libc functions
53
54 #undef malloc
55 #undef free
56 #undef open
57 #undef read
58 #undef write
59 #undef send
60 #undef recv
61 #undef stat
62 #undef lstat
63 #undef fstat
64 #undef truncate
65 #undef ftruncate
66 #undef open
67 #undef link
68 #undef close
69 #undef unlink
70 #undef mkdir
71 #undef rmdir
72 #undef rename
73 #undef lseek
74 #undef opendir
75 #undef readdir
76 #undef closedir
77 #undef chmod
78 #undef fchmod
79 #undef dup
80 #undef dup2
81 #undef abort
82 #undef pipe
83
84 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 85 #define EIO_STRUCT_STATI64
84 86
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 87#else
91# define VAL64 NV 88
92# define SvVAL64 SvNV 89 #include <sys/time.h>
93# define newSVval64 newSVnv 90 #include <sys/select.h>
91 #include <unistd.h>
92 #include <utime.h>
93 #include <signal.h>
94
95 #define EIO_STRUCT_STAT Stat_t
96
94#endif 97#endif
95 98
96/*****************************************************************************/ 99/*****************************************************************************/
97 100
98#if __GNUC__ >= 3 101#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
106 109
107/*****************************************************************************/ 110/*****************************************************************************/
108 111
112#include "libeio/config.h"
113
114#include "schmorp.h"
115
116#if HAVE_EVENTFD
117# include <sys/eventfd.h>
118#endif
119
120#if HAVE_TIMERFD
121# include <sys/timerfd.h>
122#endif
123
124#if HAVE_RLIMITS
125 #include <sys/time.h>
126 #include <sys/resource.h>
127#endif
128
109typedef SV SV8; /* byte-sv, used for argument-checking */ 129typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 130typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 131typedef int aio_wfd; /* write file descriptor */
112 132
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 133static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 134
115#define EIO_REQ_MEMBERS \ 135#define EIO_REQ_MEMBERS \
116 SV *callback; \ 136 SV *callback; \
117 SV *sv1, *sv2; \ 137 SV *sv1, *sv2; \
138 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 139 STRLEN stroffset; \
119 SV *self; 140 SV *self;
120 141
121#define EIO_NO_WRAPPERS 1 142#define EIO_NO_WRAPPERS 1
122 143
123#include "libeio/eio.h" 144#include "libeio/eio.h"
124 145
125#ifndef POSIX_FADV_NORMAL 146static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 147#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 148static void req_destroy (eio_req *grp);
128#endif 149#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
144 150
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 151#include "libeio/eio.c"
152
153#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 154# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 155#endif
148 156
149#ifndef POSIX_MADV_NORMAL 157#if !HAVE_POSIX_MADVISE
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 158# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef ST_NODEV
171# define ST_NODEV 0
172#endif
173#ifndef ST_NOEXEC
174# define ST_NOEXEC 0
175#endif
176#ifndef ST_SYNCHRONOUS
177# define ST_SYNCHRONOUS 0
178#endif
179#ifndef ST_MANDLOCK
180# define ST_MANDLOCK 0
181#endif
182#ifndef ST_WRITE
183# define ST_WRITE 0
184#endif
185#ifndef ST_APPEND
186# define ST_APPEND 0
187#endif
188#ifndef ST_IMMUTABLE
189# define ST_IMMUTABLE 0
190#endif
191#ifndef ST_NOATIME
192# define ST_NOATIME 0
193#endif
194#ifndef ST_NODIRATIME
195# define ST_NODIRATIME 0
196#endif
197#ifndef ST_RELATIME
198# define ST_RELATIME 0
199#endif
200
201#ifndef MCL_CURRENT
202# define MCL_CURRENT 0
203#endif
204#ifndef MCL_FUTURE
205# define MCL_FUTURE 0
206#endif 159#endif
207 160
208#ifndef MAP_ANONYMOUS 161#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON 162# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON 163# define MAP_ANONYMOUS MAP_ANON
211# else 164# else
212# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 165# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213# endif 166# endif
214#endif 167#endif
215#ifndef MAP_HUGETLB
216# define MAP_HUGETLB 0
217#endif
218#ifndef MAP_LOCKED
219# define MAP_LOCKED 0
220#endif
221#ifndef MAP_NORESERVE
222# define MAP_NORESERVE 0
223#endif
224#ifndef MAP_POPULATE
225# define MAP_POPULATE 0
226#endif
227#ifndef MAP_NONBLOCK
228# define MAP_NONBLOCK 0
229#endif
230 168
231#ifndef PAGESIZE 169#ifndef makedev
170# define makedev(maj,min) (((maj) << 8) | (min))
171#endif
172#ifndef major
173# define major(dev) ((dev) >> 8)
174#endif
175#ifndef minor
176# define minor(dev) ((dev) & 0xff)
177#endif
178
179#if PAGESIZE <= 0
232# define PAGESIZE sysconf (_SC_PAGESIZE) 180# define PAGESIZE sysconf (_SC_PAGESIZE)
233#endif 181#endif
234 182
235static int req_invoke (eio_req *req); 183/*****************************************************************************/
236#define EIO_FINISH(req) req_invoke (req) 184
237static void req_destroy (eio_req *grp); 185#if !_POSIX_MAPPED_FILES
238#define EIO_DESTROY(req) req_destroy (req) 186# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
187# define munmap(addr,length) EIO_ENOSYS ()
188#endif
189
190#if !_POSIX_MEMORY_PROTECTION
191# define mprotect(addr,len,prot) EIO_ENOSYS ()
192#endif
193
194#if !MREMAP_MAYMOVE
195# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
196#endif
197
198#define FOREIGN_MAGIC PERL_MAGIC_ext
199
200static int ecb_cold
201mmap_free (pTHX_ SV *sv, MAGIC *mg)
202{
203 int old_errno = errno;
204 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
205 errno = old_errno;
206
207 mg->mg_obj = 0; /* just in case */
208
209 SvREADONLY_off (sv);
210
211 if (SvPVX (sv) != mg->mg_ptr)
212 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
213
214 SvCUR_set (sv, 0);
215 SvPVX (sv) = 0;
216 SvOK_off (sv);
217
218 return 0;
219}
220
221static MGVTBL mmap_vtbl = {
222 0, 0, 0, 0, mmap_free
223};
224
225static int ecb_cold
226sysfree_free (pTHX_ SV *sv, MAGIC *mg)
227{
228 free (mg->mg_ptr);
229 mg->mg_obj = 0; /* just in case */
230
231 SvREADONLY_off (sv);
232
233 if (SvPVX (sv) != mg->mg_ptr)
234 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
235
236 SvCUR_set (sv, 0);
237 SvPVX (sv) = 0;
238 SvOK_off (sv);
239
240 return 0;
241}
242
243static MGVTBL sysfree_vtbl = {
244 0, 0, 0, 0, sysfree_free
245};
246
247/*****************************************************************************/
248
249/* helper: set scalar to foreign ptr with custom free */
250static void
251sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
252{
253 sv_force_normal (sv);
254
255 /* we store the length in mg_obj, as namlen is I32 :/ */
256 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
257 ->mg_obj = (SV *)length;
258
259 SvUPGRADE (sv, SVt_PV); /* nop... */
260
261 if (SvLEN (sv))
262 Safefree (SvPVX (sv));
263
264 SvPVX (sv) = (char *)addr;
265 SvCUR_set (sv, length);
266 SvLEN_set (sv, 0);
267 SvPOK_only (sv);
268}
269
270static void
271sv_clear_foreign (SV *sv)
272{
273 /* todo: iterate over magic and only free ours, but of course */
274 /* the perl5porters will call that (correct) behaviour buggy */
275 sv_unmagic (sv, FOREIGN_MAGIC);
276}
277
278/*****************************************************************************/
279
280/* defines all sorts of constants to 0 unless they are already defined */
281/* also provides const_iv_ and const_niv_ macros for them */
282#include "def0.h"
283
284/*****************************************************************************/
285
286static void
287fiemap (eio_req *req)
288{
289 req->result = -1;
290
291#if HAVE_FIEMAP
292 /* assume some c99 */
293 struct fiemap *fiemap = 0;
294 size_t end_offset;
295 int count = req->int3;
296
297 req->flags |= EIO_FLAG_PTR1_FREE;
298
299 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
300 /* increase in 3.5kb steps */
301 if (count < 0)
302 count = 8;
303
304 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
305 errno = ENOMEM;
306 if (!fiemap)
307 return;
308
309 req->ptr1 = fiemap;
310
311 fiemap->fm_start = req->offs;
312 fiemap->fm_length = req->size;
313 fiemap->fm_flags = req->int2;
314 fiemap->fm_extent_count = count;
315
316 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
317 return;
318
319 if (req->int3 >= 0 /* not autosizing */
320 || !fiemap->fm_mapped_extents /* no more extents */
321 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
322 goto done;
323
324 /* else we have to loop -
325 * it would be tempting (actually I tried that first) to just query the
326 * number of extents needed, but linux often feels like not returning all
327 * extents, without telling us it left any out. this complicates
328 * this quite a bit.
329 */
330
331 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
332
333 for (;;)
334 {
335 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
336 char scratch[3072];
337 struct fiemap *incmap = (struct fiemap *)scratch;
338
339 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
340 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
341 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
342 incmap->fm_flags = fiemap->fm_flags;
343 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
344
345 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
346 return;
347
348 if (!incmap->fm_mapped_extents)
349 goto done;
350
351 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
352 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
353 errno = ENOMEM;
354 if (!fiemap)
355 return;
356
357 req->ptr1 = fiemap;
358
359 for (count = 0; count < incmap->fm_mapped_extents; ++count)
360 {
361 struct fiemap_extent *e = incmap->fm_extents + count;
362
363 if (e->fe_logical + e->fe_length >= end_offset)
364 goto done;
365
366 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
367
368 if (e->fe_flags & FIEMAP_EXTENT_LAST)
369 goto done;
370
371 }
372 }
373
374done:
375 req->result = 0;
376
377#else
378 errno = ENOSYS;
379#endif
380}
381
382/*****************************************************************************/
239 383
240enum { 384enum {
241 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 385 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242}; 386};
243 387
244#include "libeio/eio.c"
245
246typedef eio_req *aio_req; 388typedef eio_req *aio_req;
247typedef eio_req *aio_req_ornot; 389typedef eio_req *aio_req_ornot;
390typedef eio_wd aio_wd;
248 391
249static SV *on_next_submit; 392static SV *on_next_submit;
250static int next_pri = EIO_PRI_DEFAULT; 393static int next_pri = EIO_PRI_DEFAULT;
251static int max_outstanding; 394static int max_outstanding;
252 395
253static s_epipe respipe; 396static s_epipe respipe;
254 397
255static void req_destroy (aio_req req); 398static void req_destroy (aio_req req);
256static void req_cancel (aio_req req); 399static void req_cancel (aio_req req);
257 400
258static void want_poll (void) 401static void
402want_poll (void)
259{ 403{
260 /* write a dummy byte to the pipe so fh becomes ready */ 404 /* write a dummy byte to the pipe so fh becomes ready */
261 s_epipe_signal (&respipe); 405 s_epipe_signal (&respipe);
262} 406}
263 407
264static void done_poll (void) 408static void
409done_poll (void)
265{ 410{
266 /* read any signals sent by the worker threads */ 411 /* read any signals sent by the worker threads */
267 s_epipe_drain (&respipe); 412 s_epipe_drain (&respipe);
268} 413}
269 414
270/* must be called at most once */ 415/* must be called at most once */
416static SV *
271static SV *req_sv (aio_req req, HV *stash) 417req_sv (aio_req req, HV *stash)
272{ 418{
273 if (!req->self) 419 if (!req->self)
274 { 420 {
275 req->self = (SV *)newHV (); 421 req->self = (SV *)newHV ();
276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 422 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277 } 423 }
278 424
279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 425 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280} 426}
281 427
282static aio_req SvAIO_REQ (SV *sv) 428static SV *
429newSVaio_wd (aio_wd wd)
430{
431 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
432}
433
434static aio_req
435SvAIO_REQ (SV *sv)
283{ 436{
284 MAGIC *mg; 437 MAGIC *mg;
285 438
286 if (!SvROK (sv) 439 if (!SvROK (sv)
440 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash 441 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash 442 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ"))) 443 && !sv_derived_from (sv, "IO::AIO::REQ")))
290 croak ("object of class IO::AIO::REQ expected"); 444 croak ("object of class IO::AIO::REQ expected");
291 445
292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 446 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293 447
294 return mg ? (aio_req)mg->mg_ptr : 0; 448 return mg ? (aio_req)mg->mg_ptr : 0;
295} 449}
296 450
451static aio_wd
452SvAIO_WD (SV *sv)
453{
454 if (!SvROK (sv)
455 || SvTYPE (SvRV (sv)) != SVt_PVMG
456 || SvSTASH (SvRV (sv)) != aio_wd_stash)
457 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
458
459 return (aio_wd)(long)SvIVX (SvRV (sv));
460}
461
462static SV *
463newmortalFH (int fd, int flags)
464{
465 if (fd < 0)
466 return &PL_sv_undef;
467
468 GV *gv = (GV *)sv_newmortal ();
469 char sym[64];
470 int symlen;
471
472 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
473 gv_init (gv, aio_stash, sym, symlen, 0);
474
475 symlen = snprintf (
476 sym,
477 sizeof (sym),
478 "%s&=%d",
479 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
480 fd
481 );
482
483 return do_open (gv, sym, symlen, 0, 0, 0, 0)
484 ? (SV *)gv : &PL_sv_undef;
485}
486
487static void
297static void aio_grp_feed (aio_req grp) 488aio_grp_feed (aio_req grp)
298{ 489{
299 if (grp->sv2 && SvOK (grp->sv2)) 490 if (grp->sv2 && SvOK (grp->sv2))
300 { 491 {
301 dSP; 492 dSP;
302 493
… …
310 FREETMPS; 501 FREETMPS;
311 LEAVE; 502 LEAVE;
312 } 503 }
313} 504}
314 505
506static void
315static void req_submit (eio_req *req) 507req_submit (eio_req *req)
316{ 508{
317 eio_submit (req); 509 eio_submit (req);
318 510
319 if (expect_false (on_next_submit)) 511 if (expect_false (on_next_submit))
320 { 512 {
… …
327 PUTBACK; 519 PUTBACK;
328 call_sv (cb, G_DISCARD | G_EVAL); 520 call_sv (cb, G_DISCARD | G_EVAL);
329 } 521 }
330} 522}
331 523
524static int
332static int req_invoke (eio_req *req) 525req_invoke (eio_req *req)
333{ 526{
334 if (req->flags & FLAG_SV2_RO_OFF) 527 if (req->flags & FLAG_SV2_RO_OFF)
335 SvREADONLY_off (req->sv2); 528 SvREADONLY_off (req->sv2);
336 529
337 if (!EIO_CANCELLED (req) && req->callback) 530 if (!EIO_CANCELLED (req) && req->callback)
… …
348 /* do not recreate the result IV from scratch each time */ 541 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache)) 542 if (expect_true (sv_result_cache))
350 { 543 {
351 sv_result = sv_result_cache; sv_result_cache = 0; 544 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result); 545 SvIV_set (sv_result, req->result);
546 SvIOK_only (sv_result);
353 } 547 }
354 else 548 else
355 { 549 {
356 sv_result = newSViv (req->result); 550 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result); 551 SvREADONLY_on (sv_result);
358 } 552 }
359 553
360 switch (req->type) 554 switch (req->type)
361 { 555 {
556 case EIO_WD_OPEN:
557 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
558 break;
559
362 case EIO_READDIR: 560 case EIO_READDIR:
363 { 561 {
364 SV *rv = &PL_sv_undef; 562 SV *rv = &PL_sv_undef;
365 563
366 if (req->result >= 0) 564 if (req->result >= 0)
… …
419 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 617 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
420 } 618 }
421 break; 619 break;
422 620
423 case EIO_OPEN: 621 case EIO_OPEN:
424 { 622 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
425 /* convert fd to fh */
426 SV *fh = &PL_sv_undef;
427
428 if (req->result >= 0)
429 {
430 GV *gv = (GV *)sv_newmortal ();
431 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
432 char sym [64];
433 int symlen;
434
435 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
436 gv_init (gv, aio_stash, sym, symlen, 0);
437
438 symlen = snprintf (
439 sym,
440 sizeof (sym),
441 "%s&=%d",
442 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
443 (int)req->result
444 );
445
446 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
447 fh = (SV *)gv;
448 }
449
450 PUSHs (fh);
451 }
452 break; 623 break;
453 624
454 case EIO_STATVFS: 625 case EIO_STATVFS:
455 case EIO_FSTATVFS: 626 case EIO_FSTATVFS:
456 { 627 {
457 SV *rv = &PL_sv_undef; 628 SV *rv = &PL_sv_undef;
458 629
630#ifndef _WIN32
459 if (req->result >= 0) 631 if (req->result >= 0)
460 { 632 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 633 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 HV *hv = newHV (); 634 HV *hv = newHV ();
635 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
636 * chooses to make it a struct.
637 */
638 unsigned long fsid = 0;
639 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
463 640
464 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 641 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465 642
466 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 643 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
467 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 644 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
469 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 646 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
470 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 647 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
471 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 648 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
472 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 649 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
473 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 650 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
474 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 651 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 652 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
476 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 653 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477 } 654 }
655#endif
478 656
479 PUSHs (rv); 657 PUSHs (rv);
480 } 658 }
481 659
482 break; 660 break;
… …
498 case EIO_NOP: 676 case EIO_NOP:
499 case EIO_BUSY: 677 case EIO_BUSY:
500 break; 678 break;
501 679
502 case EIO_READLINK: 680 case EIO_READLINK:
681 case EIO_REALPATH:
503 if (req->result > 0) 682 if (req->result > 0)
504 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 683 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505 break; 684 break;
506 685
507 case EIO_STAT: 686 case EIO_STAT:
508 case EIO_LSTAT: 687 case EIO_LSTAT:
509 case EIO_FSTAT: 688 case EIO_FSTAT:
510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 689 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
690
511 PL_laststatval = req->result; 691 if (!(PL_laststatval = req->result))
692 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 693 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
694
513 PUSHs (sv_result); 695 PUSHs (sv_result);
696 break;
697
698 case EIO_SEEK:
699 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
514 break; 700 break;
515 701
516 case EIO_READ: 702 case EIO_READ:
517 { 703 {
518 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 704 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
521 SvSETMAGIC (req->sv2); 707 SvSETMAGIC (req->sv2);
522 PUSHs (sv_result); 708 PUSHs (sv_result);
523 } 709 }
524 break; 710 break;
525 711
712 case EIO_SLURP:
713 {
714 if (req->result >= 0)
715 {
716 /* if length was originally not known, we steal the malloc'ed memory */
717 if (req->flags & EIO_FLAG_PTR2_FREE)
718 {
719 req->flags &= ~EIO_FLAG_PTR2_FREE;
720 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
721 }
722 else
723 {
724 SvCUR_set (req->sv2, req->result);
725 *SvEND (req->sv2) = 0;
726 SvPOK_only (req->sv2);
727 }
728
729 SvSETMAGIC (req->sv2);
730 }
731
732 PUSHs (sv_result);
733 }
734 break;
735
736 case EIO_CUSTOM:
737 if (req->feed == fiemap)
738 {
739#if HAVE_FIEMAP
740 if (!req->result)
741 {
742 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
743
744 if (fiemap->fm_extent_count)
745 {
746 AV *av = newAV ();
747 int i;
748
749 while (fiemap->fm_mapped_extents)
750 {
751 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
752 AV *ext_av = newAV ();
753
754 av_store (ext_av, 3, newSVuv (extent->fe_flags));
755 av_store (ext_av, 2, newSVval64 (extent->fe_length));
756 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
757 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
758
759 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
760 }
761
762 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
763 }
764 else
765 {
766 SvIV_set (sv_result, fiemap->fm_mapped_extents);
767 PUSHs (sv_result);
768 }
769 }
770#endif
771 }
772 else
773 PUSHs (sv_result);
774 break;
775
526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 776 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527 if (req->result > 0) 777 if (req->result > 0)
528 SvIV_set (sv_result, 0); 778 SvIV_set (sv_result, 0);
529 /* FALLTHROUGH */ 779 /* FALLTHROUGH */
530 780
531 default: 781 default:
… …
551 } 801 }
552 802
553 return !!SvTRUE (ERRSV); 803 return !!SvTRUE (ERRSV);
554} 804}
555 805
806static void
556static void req_destroy (aio_req req) 807req_destroy (aio_req req)
557{ 808{
558 if (req->self) 809 if (req->self)
559 { 810 {
560 sv_unmagic (req->self, PERL_MAGIC_ext); 811 sv_unmagic (req->self, PERL_MAGIC_ext);
561 SvREFCNT_dec (req->self); 812 SvREFCNT_dec (req->self);
562 } 813 }
563 814
564 SvREFCNT_dec (req->sv1); 815 SvREFCNT_dec (req->sv1);
565 SvREFCNT_dec (req->sv2); 816 SvREFCNT_dec (req->sv2);
817 SvREFCNT_dec (req->sv3);
818 SvREFCNT_dec (req->sv4);
566 SvREFCNT_dec (req->callback); 819 SvREFCNT_dec (req->callback);
567 820
568 Safefree (req); 821 free (req);
569} 822}
570 823
824static void
571static void req_cancel_subs (aio_req grp) 825req_cancel_subs (aio_req grp)
572{ 826{
573 aio_req sub;
574
575 if (grp->type != EIO_GROUP) 827 if (grp->type != EIO_GROUP)
576 return; 828 return;
577 829
578 SvREFCNT_dec (grp->sv2); 830 SvREFCNT_dec (grp->sv2);
579 grp->sv2 = 0; 831 grp->sv2 = 0;
580 832
581 eio_grp_cancel (grp); 833 eio_grp_cancel (grp);
582} 834}
583 835
584static void 836static void ecb_cold
585create_respipe (void) 837create_respipe (void)
586{ 838{
587 if (s_epipe_renew (&respipe)) 839 if (s_epipe_renew (&respipe))
588 croak ("IO::AIO: unable to initialize result pipe"); 840 croak ("IO::AIO: unable to initialize result pipe");
589} 841}
590 842
591static void poll_wait (void) 843static void
844poll_wait (void)
592{ 845{
593 while (eio_nreqs ()) 846 while (eio_nreqs ())
594 { 847 {
595 int size; 848 int size;
596 849
597 X_LOCK (reslock); 850 X_LOCK (EIO_POOL->reslock);
598 size = res_queue.size; 851 size = EIO_POOL->res_queue.size;
599 X_UNLOCK (reslock); 852 X_UNLOCK (EIO_POOL->reslock);
600 853
601 if (size) 854 if (size)
602 return; 855 return;
603 856
604 etp_maybe_start_thread (); 857 etp_maybe_start_thread (EIO_POOL);
605 858
606 s_epipe_wait (&respipe); 859 s_epipe_wait (&respipe);
607 } 860 }
608} 861}
609 862
610static int poll_cb (void) 863static int
864poll_cb (void)
611{ 865{
612 for (;;) 866 for (;;)
613 { 867 {
614 int res = eio_poll (); 868 int res = eio_poll ();
615 869
… …
621 875
622 poll_wait (); 876 poll_wait ();
623 } 877 }
624} 878}
625 879
626static void atfork_child (void) 880static void ecb_cold
881reinit (void)
627{ 882{
628 create_respipe (); 883 create_respipe ();
629}
630 884
631/*****************************************************************************/ 885 if (eio_init (want_poll, done_poll) < 0)
632 886 croak ("IO::AIO: unable to initialise eio library");
633#if !_POSIX_MAPPED_FILES
634# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
635# define munmap(addr,length) (errno = ENOSYS, -1)
636#endif
637
638#define MMAP_MAGIC PERL_MAGIC_ext
639
640static int
641mmap_free (pTHX_ SV *sv, MAGIC *mg)
642{
643 int old_errno = errno;
644 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645 errno = old_errno;
646
647 mg->mg_obj = 0; /* just in case */
648
649 SvREADONLY_off (sv);
650
651 if (SvPVX (sv) != mg->mg_ptr)
652 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
653
654 SvCUR_set (sv, 0);
655 SvPVX (sv) = 0;
656 SvOK_off (sv);
657
658 return 0;
659} 887}
660
661static MGVTBL mmap_vtbl = {
662 0, 0, 0, 0, mmap_free
663};
664 888
665/*****************************************************************************/ 889/*****************************************************************************/
666 890
667static SV * 891static SV *
668get_cb (SV *cb_sv) 892get_cb (SV *cb_sv)
669{ 893{
670 SvGETMAGIC (cb_sv); 894 SvGETMAGIC (cb_sv);
671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 895 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672} 896}
673 897
898static aio_req ecb_noinline
899dreq (SV *callback)
900{
901 SV *cb_cv;
902 aio_req req;
903 int req_pri = next_pri;
904 next_pri = EIO_PRI_DEFAULT;
905
906 cb_cv = get_cb (callback);
907
908 req = calloc (sizeof (*req), 1);
909 if (!req)
910 croak ("out of memory during eio_req allocation");
911
912 req->callback = SvREFCNT_inc (cb_cv);
913 req->pri = req_pri;
914
915 return req;
916}
917
674#define dREQ \ 918#define dREQ \
675 SV *cb_cv; \ 919 aio_req req = dreq (callback); \
676 aio_req req; \
677 int req_pri = next_pri; \
678 next_pri = EIO_PRI_DEFAULT; \
679 \
680 cb_cv = get_cb (callback); \
681 \
682 Newz (0, req, 1, eio_req); \
683 if (!req) \
684 croak ("out of memory during eio_req allocation"); \
685 \
686 req->callback = SvREFCNT_inc (cb_cv); \
687 req->pri = req_pri
688 920
689#define REQ_SEND \ 921#define REQ_SEND \
690 PUTBACK; \ 922 PUTBACK; \
691 req_submit (req); \ 923 req_submit (req); \
692 SPAGAIN; \ 924 SPAGAIN; \
693 \ 925 \
694 if (GIMME_V != G_VOID) \ 926 if (GIMME_V != G_VOID) \
695 XPUSHs (req_sv (req, aio_req_stash)); 927 XPUSHs (req_sv (req, aio_req_stash));
696 928
929ecb_inline void
930req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
931{
932 if (expect_false (SvROK (path)))
933 {
934 SV *rv = SvRV (path);
935 SV *wdob;
936
937 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
938 {
939 path = AvARRAY (rv)[1];
940 wdob = AvARRAY (rv)[0];
941
942 if (SvOK (wdob))
943 {
944 *wd = SvAIO_WD (wdob);
945 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
946 }
947 else
948 *wd = EIO_INVALID_WD;
949 }
950 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
951 {
952 *wd = (aio_wd)(long)SvIVX (rv);
953 *wdsv = SvREFCNT_inc_NN (rv);
954 *ptr = ".";
955 return; /* path set to "." */
956 }
957 else
958 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
959 }
960
961 *pathsv = newSVsv (path);
962 *ptr = SvPVbyte_nolen (*pathsv);
963}
964
965static void ecb_noinline
966req_set_path1 (aio_req req, SV *path)
967{
968 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
969}
970
971static void ecb_noinline
972req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
973{
974 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
975
976 switch (SvTYPE (rv))
977 {
978 case SVt_PVIO:
979 case SVt_PVLV:
980 case SVt_PVGV:
981 req->type = type_fh;
982 req->sv1 = newSVsv (fh_or_path);
983 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
984 break;
985
986 default:
987 req->type = type_path;
988 req_set_path1 (req, fh_or_path);
989 break;
990 }
991}
992
993/*****************************************************************************/
994
995static void
996ts_set (struct timespec *ts, NV value)
997{
998 ts->tv_sec = value;
999 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1000}
1001
1002static NV
1003ts_get (const struct timespec *ts)
1004{
1005 return ts->tv_sec + ts->tv_nsec * 1e-9;
1006}
1007
1008/*****************************************************************************/
1009
1010XS(boot_IO__AIO) ecb_cold;
1011
697MODULE = IO::AIO PACKAGE = IO::AIO 1012MODULE = IO::AIO PACKAGE = IO::AIO
698 1013
699PROTOTYPES: ENABLE 1014PROTOTYPES: ENABLE
700 1015
701BOOT: 1016BOOT:
… …
705 IV iv; 1020 IV iv;
706 } *civ, const_iv[] = { 1021 } *civ, const_iv[] = {
707# define const_niv(name, value) { # name, (IV) value }, 1022# define const_niv(name, value) { # name, (IV) value },
708# define const_iv(name) { # name, (IV) name }, 1023# define const_iv(name) { # name, (IV) name },
709# define const_eio(name) { # name, (IV) EIO_ ## name }, 1024# define const_eio(name) { # name, (IV) EIO_ ## name },
1025
1026 /* you have to re-run ./gendef0 after adding/removing any constants here */
1027 /* the first block can be undef if missing */
1028 const_iv (ENOSYS)
710 const_iv (EXDEV) 1029 const_iv (EXDEV)
711 const_iv (ENOSYS) 1030 const_iv (EBADR)
1031
1032 /* for lseek */
1033 const_iv (SEEK_DATA)
1034 const_iv (SEEK_HOLE)
1035
1036 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1037 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1038 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1039 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1040 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1041 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1042
1043 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1044 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1045 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1046 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1047 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1048
1049 /* the second block will be 0 when missing */
1050 const_iv (O_ACCMODE)
1051
712 const_iv (O_RDONLY) 1052 const_iv (O_RDONLY)
713 const_iv (O_WRONLY) 1053 const_iv (O_WRONLY)
714 const_iv (O_RDWR) 1054 const_iv (O_RDWR)
715 const_iv (O_CREAT) 1055 const_iv (O_CREAT)
716 const_iv (O_TRUNC) 1056 const_iv (O_TRUNC)
717 const_iv (O_EXCL) 1057 const_iv (O_EXCL)
718 const_iv (O_APPEND) 1058 const_iv (O_APPEND)
719#ifndef _WIN32 1059
1060 const_iv (O_ASYNC)
1061 const_iv (O_DIRECT)
1062 const_iv (O_NOATIME)
1063
1064 const_iv (O_CLOEXEC)
1065 const_iv (O_NOCTTY)
1066 const_iv (O_NOFOLLOW)
1067 const_iv (O_NONBLOCK)
1068 const_iv (O_EXEC)
1069 const_iv (O_SEARCH)
1070 const_iv (O_DIRECTORY)
1071 const_iv (O_DSYNC)
1072 const_iv (O_RSYNC)
1073 const_iv (O_SYNC)
1074 const_iv (O_PATH)
1075 const_iv (O_TMPFILE)
1076 const_iv (O_TTY_INIT)
1077
720 const_iv (S_IFIFO) 1078 const_iv (S_IFIFO)
721#endif 1079 const_iv (S_IFCHR)
722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1080 const_iv (S_IFBLK)
723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1081 const_iv (S_IFLNK)
724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1082 const_iv (S_IFREG)
725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1083 const_iv (S_IFDIR)
726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1084 const_iv (S_IFWHT)
727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1085 const_iv (S_IFSOCK)
728 1086 const_iv (S_IFMT)
729 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
730 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
731 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
732 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
733 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
734 1087
735 const_iv (ST_RDONLY) 1088 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID) 1089 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV) 1090 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC) 1091 const_iv (ST_NOEXEC)
… …
743 const_iv (ST_IMMUTABLE) 1096 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME) 1097 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME) 1098 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME) 1099 const_iv (ST_RELATIME)
747 1100
1101 const_iv (PROT_NONE)
748 const_iv (PROT_EXEC) 1102 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ) 1103 const_iv (PROT_READ)
751 const_iv (PROT_WRITE) 1104 const_iv (PROT_WRITE)
752 1105
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE) 1106 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED) 1107 const_iv (MAP_SHARED)
1108 const_iv (MAP_FIXED)
756 const_iv (MAP_ANONYMOUS) 1109 const_iv (MAP_ANONYMOUS)
757 1110
758 /* linuxish */ 1111 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED) 1112 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE) 1113 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE) 1114 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK) 1115 const_iv (MAP_NONBLOCK)
1116 const_iv (MAP_GROWSDOWN)
1117 const_iv (MAP_32BIT)
1118 const_iv (MAP_HUGETLB)
1119 const_iv (MAP_STACK)
764 1120
1121 const_iv (MREMAP_MAYMOVE)
1122 const_iv (MREMAP_FIXED)
1123
1124 const_iv (F_DUPFD_CLOEXEC)
1125
1126 const_iv (MSG_CMSG_CLOEXEC)
1127 const_iv (SOCK_CLOEXEC)
1128
1129 const_iv (F_OFD_GETLK)
1130 const_iv (F_OFD_SETLK)
1131 const_iv (F_OFD_GETLKW)
1132
1133 const_iv (FIFREEZE)
1134 const_iv (FITHAW)
1135 const_iv (FITRIM)
1136 const_iv (FICLONE)
1137 const_iv (FICLONERANGE)
1138 const_iv (FIDEDUPERANGE)
1139
1140 const_iv (FS_IOC_GETFLAGS)
1141 const_iv (FS_IOC_SETFLAGS)
1142 const_iv (FS_IOC_GETVERSION)
1143 const_iv (FS_IOC_SETVERSION)
1144 const_iv (FS_IOC_FIEMAP)
1145 const_iv (FS_IOC_FSGETXATTR)
1146 const_iv (FS_IOC_FSSETXATTR)
1147 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1148 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1149 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1150
1151 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1152
1153 const_iv (FS_SECRM_FL)
1154 const_iv (FS_UNRM_FL)
1155 const_iv (FS_COMPR_FL)
1156 const_iv (FS_SYNC_FL)
1157 const_iv (FS_IMMUTABLE_FL)
1158 const_iv (FS_APPEND_FL)
1159 const_iv (FS_NODUMP_FL)
1160 const_iv (FS_NOATIME_FL)
1161 const_iv (FS_DIRTY_FL)
1162 const_iv (FS_COMPRBLK_FL)
1163 const_iv (FS_NOCOMP_FL)
1164 const_iv (FS_ENCRYPT_FL)
1165 const_iv (FS_BTREE_FL)
1166 const_iv (FS_INDEX_FL)
1167 const_iv (FS_JOURNAL_DATA_FL)
1168 const_iv (FS_NOTAIL_FL)
1169 const_iv (FS_DIRSYNC_FL)
1170 const_iv (FS_TOPDIR_FL)
1171 const_iv (FS_FL_USER_MODIFIABLE)
1172
1173 const_iv (FS_XFLAG_REALTIME)
1174 const_iv (FS_XFLAG_PREALLOC)
1175 const_iv (FS_XFLAG_IMMUTABLE)
1176 const_iv (FS_XFLAG_APPEND)
1177 const_iv (FS_XFLAG_SYNC)
1178 const_iv (FS_XFLAG_NOATIME)
1179 const_iv (FS_XFLAG_NODUMP)
1180 const_iv (FS_XFLAG_RTINHERIT)
1181 const_iv (FS_XFLAG_PROJINHERIT)
1182 const_iv (FS_XFLAG_NOSYMLINKS)
1183 const_iv (FS_XFLAG_EXTSIZE)
1184 const_iv (FS_XFLAG_EXTSZINHERIT)
1185 const_iv (FS_XFLAG_NODEFRAG)
1186 const_iv (FS_XFLAG_FILESTREAM)
1187 const_iv (FS_XFLAG_DAX)
1188 const_iv (FS_XFLAG_HASATTR)
1189
1190 const_iv (FIEMAP_FLAG_SYNC)
1191 const_iv (FIEMAP_FLAG_XATTR)
1192 const_iv (FIEMAP_FLAGS_COMPAT)
1193 const_iv (FIEMAP_EXTENT_LAST)
1194 const_iv (FIEMAP_EXTENT_UNKNOWN)
1195 const_iv (FIEMAP_EXTENT_DELALLOC)
1196 const_iv (FIEMAP_EXTENT_ENCODED)
1197 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1198 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1199 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1200 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1201 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1202 const_iv (FIEMAP_EXTENT_MERGED)
1203 const_iv (FIEMAP_EXTENT_SHARED)
1204
1205 const_iv (SPLICE_F_MOVE)
1206 const_iv (SPLICE_F_NONBLOCK)
1207 const_iv (SPLICE_F_MORE)
1208 const_iv (SPLICE_F_GIFT)
1209
1210 const_iv (EFD_CLOEXEC)
1211 const_iv (EFD_NONBLOCK)
1212 const_iv (EFD_SEMAPHORE)
1213
1214 const_iv (CLOCK_REALTIME)
1215 const_iv (CLOCK_MONOTONIC)
1216 const_iv (CLOCK_BOOTTIME)
1217 const_iv (CLOCK_REALTIME_ALARM)
1218 const_iv (CLOCK_BOOTTIME_ALARM)
1219
1220 const_iv (TFD_NONBLOCK)
1221 const_iv (TFD_CLOEXEC)
1222
1223 const_iv (TFD_TIMER_ABSTIME)
1224 const_iv (TFD_TIMER_CANCEL_ON_SET)
1225
1226 /* these are libeio constants, and are independent of gendef0 */
1227 const_eio (SEEK_SET)
1228 const_eio (SEEK_CUR)
1229 const_eio (SEEK_END)
1230
765 const_iv (MCL_FUTURE) 1231 const_eio (MCL_FUTURE)
766 const_iv (MCL_CURRENT) 1232 const_eio (MCL_CURRENT)
767 1233
768 const_eio (MS_ASYNC) 1234 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE) 1235 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC) 1236 const_eio (MS_SYNC)
771 1237
772 const_eio (MT_MODIFY) 1238 const_eio (MT_MODIFY)
773 1239
774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1240 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775 const_eio (SYNC_FILE_RANGE_WRITE) 1241 const_eio (SYNC_FILE_RANGE_WRITE)
776 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1242 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1243
1244 const_eio (FALLOC_FL_KEEP_SIZE)
1245 const_eio (FALLOC_FL_PUNCH_HOLE)
1246 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1247 const_eio (FALLOC_FL_ZERO_RANGE)
1248 const_eio (FALLOC_FL_INSERT_RANGE)
1249 const_eio (FALLOC_FL_UNSHARE_RANGE)
1250
1251 const_eio (RENAME_NOREPLACE)
1252 const_eio (RENAME_EXCHANGE)
1253 const_eio (RENAME_WHITEOUT)
777 1254
778 const_eio (READDIR_DENTS) 1255 const_eio (READDIR_DENTS)
779 const_eio (READDIR_DIRS_FIRST) 1256 const_eio (READDIR_DIRS_FIRST)
780 const_eio (READDIR_STAT_ORDER) 1257 const_eio (READDIR_STAT_ORDER)
781 const_eio (READDIR_FOUND_UNKNOWN) 1258 const_eio (READDIR_FOUND_UNKNOWN)
… …
792 }; 1269 };
793 1270
794 aio_stash = gv_stashpv ("IO::AIO" , 1); 1271 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1272 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1273 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1274 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797 1275
798 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1276 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
799 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1277 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800 1278
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1279 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802 1280
803 create_respipe (); 1281 reinit ();
804
805 if (eio_init (want_poll, done_poll) < 0)
806 croak ("IO::AIO: unable to initialise eio library");
807
808 /* atfork child called in fifo order, so before eio's handler */
809 X_THREAD_ATFORK (0, 0, atfork_child);
810} 1282}
811 1283
812void 1284void
1285reinit ()
1286 PROTOTYPE:
1287
1288void
813max_poll_reqs (int nreqs) 1289max_poll_reqs (unsigned int nreqs)
814 PROTOTYPE: $ 1290 PROTOTYPE: $
815 CODE: 1291 CODE:
816 eio_set_max_poll_reqs (nreqs); 1292 eio_set_max_poll_reqs (nreqs);
817 1293
818void 1294void
… …
820 PROTOTYPE: $ 1296 PROTOTYPE: $
821 CODE: 1297 CODE:
822 eio_set_max_poll_time (nseconds); 1298 eio_set_max_poll_time (nseconds);
823 1299
824void 1300void
825min_parallel (int nthreads) 1301min_parallel (unsigned int nthreads)
826 PROTOTYPE: $ 1302 PROTOTYPE: $
827 CODE: 1303 CODE:
828 eio_set_min_parallel (nthreads); 1304 eio_set_min_parallel (nthreads);
829 1305
830void 1306void
831max_parallel (int nthreads) 1307max_parallel (unsigned int nthreads)
832 PROTOTYPE: $ 1308 PROTOTYPE: $
833 CODE: 1309 CODE:
834 eio_set_max_parallel (nthreads); 1310 eio_set_max_parallel (nthreads);
835 1311
836void 1312void
837max_idle (int nthreads) 1313max_idle (unsigned int nthreads)
838 PROTOTYPE: $ 1314 PROTOTYPE: $
839 CODE: 1315 CODE:
840 eio_set_max_idle (nthreads); 1316 eio_set_max_idle (nthreads);
841 1317
842void 1318void
1319idle_timeout (unsigned int seconds)
1320 PROTOTYPE: $
1321 CODE:
1322 eio_set_idle_timeout (seconds);
1323
1324void
843max_outstanding (int maxreqs) 1325max_outstanding (unsigned int maxreqs)
844 PROTOTYPE: $ 1326 PROTOTYPE: $
845 CODE: 1327 CODE:
846 max_outstanding = maxreqs; 1328 max_outstanding = maxreqs;
847 1329
848void 1330void
849aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1331aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$;$
851 PPCODE: 1332 PPCODE:
852{ 1333{
853 dREQ; 1334 dREQ;
854 1335
1336 req->type = EIO_WD_OPEN;
1337 req_set_path1 (req, pathname);
1338
1339 REQ_SEND;
1340}
1341
1342void
1343aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1344 PPCODE:
1345{
1346 dREQ;
1347
855 req->type = EIO_OPEN; 1348 req->type = EIO_OPEN;
856 req->sv1 = newSVsv (pathname); 1349 req_set_path1 (req, pathname);
857 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 req->int1 = flags; 1350 req->int1 = flags;
859 req->int2 = mode; 1351 req->int2 = mode;
860 1352
861 REQ_SEND; 1353 REQ_SEND;
862} 1354}
863 1355
864void 1356void
865aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1357aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
866 PROTOTYPE: $;$
867 ALIAS: 1358 ALIAS:
868 aio_fsync = EIO_FSYNC 1359 aio_fsync = EIO_FSYNC
869 aio_fdatasync = EIO_FDATASYNC 1360 aio_fdatasync = EIO_FDATASYNC
1361 aio_syncfs = EIO_SYNCFS
870 PPCODE: 1362 PPCODE:
871{ 1363{
872 int fd = s_fileno_croak (fh, 0); 1364 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1365 dREQ;
874 1366
875 req->type = ix; 1367 req->type = ix;
876 req->sv1 = newSVsv (fh); 1368 req->sv1 = newSVsv (fh);
877 req->int1 = fd; 1369 req->int1 = fd;
878 1370
879 REQ_SEND (req); 1371 REQ_SEND;
880} 1372}
881 1373
882void 1374void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1375aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE: 1376 PPCODE:
886{ 1377{
887 int fd = s_fileno_croak (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1379 dREQ;
889 1380
890 req->type = EIO_SYNC_FILE_RANGE; 1381 req->type = EIO_SYNC_FILE_RANGE;
891 req->sv1 = newSVsv (fh); 1382 req->sv1 = newSVsv (fh);
892 req->int1 = fd; 1383 req->int1 = fd;
893 req->offs = offset; 1384 req->offs = offset;
894 req->size = nbytes; 1385 req->size = nbytes;
895 req->int2 = flags; 1386 req->int2 = flags;
896 1387
897 REQ_SEND (req); 1388 REQ_SEND;
898} 1389}
899 1390
900void 1391void
901aio_close (SV *fh, SV *callback=&PL_sv_undef) 1392aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
902 PROTOTYPE: $;$
903 PPCODE: 1393 PPCODE:
904{ 1394{
905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0); 1395 int fd = s_fileno_croak (fh, 0);
907 dREQ; 1396 dREQ;
908 1397
909 if (close_pipe < 0) 1398 req->type = EIO_FALLOCATE;
1399 req->sv1 = newSVsv (fh);
1400 req->int1 = fd;
1401 req->int2 = mode;
1402 req->offs = offset;
1403 req->size = len;
1404
1405 REQ_SEND;
1406}
1407
1408void
1409aio_close (SV *fh, SV *callback = &PL_sv_undef)
1410 PPCODE:
1411{
1412 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1413 int fd = s_fileno_croak (fh, 0);
1414 dREQ;
1415
1416 if (expect_false (close_fd < 0))
910 { 1417 {
911 int pipefd [2]; 1418 int pipefd [2];
912 1419
1420 if (
1421#ifdef _WIN32
1422 _pipe (pipefd, 1, _O_BINARY) < 0
1423#else
913 if (pipe (pipefd) < 0 1424 pipe (pipefd) < 0
914 || close (pipefd [1]) < 0
915 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1425 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1426#endif
1427 || close (pipefd [1]) < 0
1428 )
916 abort (); /*D*/ 1429 abort (); /*D*/
917 1430
918 close_pipe = pipefd [0]; 1431 close_fd = pipefd [0];
919 } 1432 }
920 1433
921 req->type = EIO_DUP2; 1434 req->type = EIO_DUP2;
922 req->int1 = close_pipe; 1435 req->int1 = close_fd;
923 req->sv2 = newSVsv (fh); 1436 req->sv2 = newSVsv (fh);
924 req->int2 = fd; 1437 req->int2 = fd;
925 1438
926 REQ_SEND (req); 1439 REQ_SEND;
927} 1440}
928 1441
929void 1442void
1443aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1444 PPCODE:
1445{
1446 int fd = s_fileno_croak (fh, 0);
1447 dREQ;
1448
1449 req->type = EIO_SEEK;
1450 req->sv1 = newSVsv (fh);
1451 req->int1 = fd;
1452 req->offs = SvVAL64 (offset);
1453 req->int2 = whence;
1454
1455 REQ_SEND;
1456}
1457
1458void
930aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1459aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
931 ALIAS: 1460 ALIAS:
932 aio_read = EIO_READ 1461 aio_read = EIO_READ
933 aio_write = EIO_WRITE 1462 aio_write = EIO_WRITE
934 PROTOTYPE: $$$$$;$
935 PPCODE: 1463 PPCODE:
936{ 1464{
937 STRLEN svlen; 1465 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1466 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939 char *svptr = SvPVbyte (data, svlen); 1467 char *svptr = SvPVbyte (data, svlen);
… …
952 len = svlen - dataoffset; 1480 len = svlen - dataoffset;
953 } 1481 }
954 else 1482 else
955 { 1483 {
956 /* read: check type and grow scalar as necessary */ 1484 /* read: check type and grow scalar as necessary */
957 SvUPGRADE (data, SVt_PV); 1485 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
958 svptr = SvGROW (data, len + dataoffset + 1); 1486 svptr = sv_grow (data, len + dataoffset + 1);
1487 else if (SvCUR (data) < len + dataoffset)
1488 croak ("length + dataoffset outside of scalar, and cannot grow");
959 } 1489 }
960 1490
961 { 1491 {
962 dREQ; 1492 dREQ;
963 1493
… …
979 REQ_SEND; 1509 REQ_SEND;
980 } 1510 }
981} 1511}
982 1512
983void 1513void
984aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1514aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
985 PROTOTYPE: $$;$ 1515 ALIAS:
1516 aio_ioctl = EIO_IOCTL
1517 aio_fcntl = EIO_FCNTL
986 PPCODE: 1518 PPCODE:
987{ 1519{
988 SV *data; 1520 int fd = s_fileno_croak (fh, 0);
1521 char *svptr;
1522
1523 if (SvPOK (arg) || !SvNIOK (arg))
1524 {
1525 STRLEN svlen;
1526 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1527#ifdef IOCPARM_LEN
1528 STRLEN need = IOCPARM_LEN (request);
1529#else
1530 STRLEN need = 256;
1531#endif
1532
1533 if (svlen < need)
1534 svptr = SvGROW (arg, need);
1535 }
1536 else
1537 svptr = (char *)SvIV (arg);
1538
1539 {
1540 dREQ;
1541
1542 req->type = ix;
1543 req->sv1 = newSVsv (fh);
1544 req->int1 = fd;
1545 req->int2 = (long)request;
1546 req->sv2 = SvREFCNT_inc (arg);
1547 req->ptr2 = svptr;
1548
1549 REQ_SEND;
1550 }
1551}
1552
1553void
1554aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1555 ALIAS:
1556 aio_readlink = EIO_READLINK
1557 aio_realpath = EIO_REALPATH
1558 PPCODE:
1559{
989 dREQ; 1560 dREQ;
990 1561
991 req->type = EIO_READLINK; 1562 req->type = ix;
992 req->sv1 = newSVsv (path); 1563 req_set_path1 (req, pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 1564
995 REQ_SEND; 1565 REQ_SEND;
996} 1566}
997 1567
998void 1568void
999aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1569aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1000 PROTOTYPE: $$$$;$
1001 PPCODE: 1570 PPCODE:
1002{ 1571{
1003 int ifd = s_fileno_croak (in_fh , 0); 1572 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1573 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1574 dREQ;
1006 1575
1007 req->type = EIO_SENDFILE; 1576 req->type = EIO_SENDFILE;
1008 req->sv1 = newSVsv (out_fh); 1577 req->sv1 = newSVsv (out_fh);
1009 req->int1 = ofd; 1578 req->int1 = ofd;
… …
1014 1583
1015 REQ_SEND; 1584 REQ_SEND;
1016} 1585}
1017 1586
1018void 1587void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1588aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020 PROTOTYPE: $$$;$
1021 PPCODE: 1589 PPCODE:
1022{ 1590{
1023 int fd = s_fileno_croak (fh, 0); 1591 int fd = s_fileno_croak (fh, 0);
1024 dREQ; 1592 dREQ;
1025 1593
1026 req->type = EIO_READAHEAD; 1594 req->type = EIO_READAHEAD;
1027 req->sv1 = newSVsv (fh); 1595 req->sv1 = newSVsv (fh);
1028 req->int1 = fd; 1596 req->int1 = fd;
… …
1031 1599
1032 REQ_SEND; 1600 REQ_SEND;
1033} 1601}
1034 1602
1035void 1603void
1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1604aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1037 ALIAS: 1605 ALIAS:
1038 aio_stat = EIO_STAT 1606 aio_stat = EIO_STAT
1039 aio_lstat = EIO_LSTAT 1607 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS 1608 aio_statvfs = EIO_STATVFS
1041 PPCODE: 1609 PPCODE:
1042{ 1610{
1043 dREQ; 1611 dREQ;
1044 1612
1045 req->sv1 = newSVsv (fh_or_path); 1613 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1046
1047 if (SvPOK (req->sv1))
1048 {
1049 req->type = ix;
1050 req->ptr1 = SvPVbyte_nolen (req->sv1);
1051 }
1052 else
1053 {
1054 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1055 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1056 }
1057 1614
1058 REQ_SEND; 1615 REQ_SEND;
1059} 1616}
1060 1617
1618UV
1619major (UV dev)
1620 ALIAS:
1621 minor = 1
1622 CODE:
1623 RETVAL = ix ? minor (dev) : major (dev);
1624 OUTPUT:
1625 RETVAL
1626
1627UV
1628makedev (UV maj, UV min)
1629 CODE:
1630 RETVAL = makedev (maj, min);
1631 OUTPUT:
1632 RETVAL
1633
1061void 1634void
1062aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1635aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1063 PPCODE: 1636 PPCODE:
1064{ 1637{
1065 dREQ; 1638 dREQ;
1066 1639
1067 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1640 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1641 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069 req->sv1 = newSVsv (fh_or_path); 1642 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1070
1071 if (SvPOK (req->sv1))
1072 {
1073 req->type = EIO_UTIME;
1074 req->ptr1 = SvPVbyte_nolen (req->sv1);
1075 }
1076 else
1077 {
1078 req->type = EIO_FUTIME;
1079 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1080 }
1081 1643
1082 REQ_SEND; 1644 REQ_SEND;
1083} 1645}
1084 1646
1085void 1647void
1086aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1648aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1087 PPCODE: 1649 PPCODE:
1088{ 1650{
1089 dREQ; 1651 dREQ;
1090 1652
1091 req->sv1 = newSVsv (fh_or_path);
1092 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1653 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093 1654 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1094 if (SvPOK (req->sv1))
1095 {
1096 req->type = EIO_TRUNCATE;
1097 req->ptr1 = SvPVbyte_nolen (req->sv1);
1098 }
1099 else
1100 {
1101 req->type = EIO_FTRUNCATE;
1102 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1103 }
1104 1655
1105 REQ_SEND; 1656 REQ_SEND;
1106} 1657}
1107 1658
1108void 1659void
1109aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1660aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1110 ALIAS:
1111 aio_chmod = EIO_CHMOD
1112 aio_mkdir = EIO_MKDIR
1113 PPCODE: 1661 PPCODE:
1114{ 1662{
1115 dREQ; 1663 dREQ;
1116 1664
1117 req->int2 = mode; 1665 req->int2 = mode;
1118 req->sv1 = newSVsv (fh_or_path); 1666 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1119
1120 if (SvPOK (req->sv1))
1121 {
1122 req->type = ix;
1123 req->ptr1 = SvPVbyte_nolen (req->sv1);
1124 }
1125 else
1126 {
1127 req->type = EIO_FCHMOD;
1128 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1129 }
1130 1667
1131 REQ_SEND; 1668 REQ_SEND;
1132} 1669}
1133 1670
1134void 1671void
1135aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1672aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1136 PPCODE: 1673 PPCODE:
1137{ 1674{
1138 dREQ; 1675 dREQ;
1139 1676
1140 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1677 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1678 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142 req->sv1 = newSVsv (fh_or_path); 1679 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1143
1144 if (SvPOK (req->sv1))
1145 {
1146 req->type = EIO_CHOWN;
1147 req->ptr1 = SvPVbyte_nolen (req->sv1);
1148 }
1149 else
1150 {
1151 req->type = EIO_FCHOWN;
1152 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1153 }
1154 1680
1155 REQ_SEND; 1681 REQ_SEND;
1156} 1682}
1157 1683
1158void 1684void
1159aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1685aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1686 PPCODE:
1161{ 1687{
1162 dREQ; 1688 dREQ;
1163 1689
1164 req->type = EIO_READDIR; 1690 req->type = EIO_READDIR;
1165 req->sv1 = newSVsv (pathname);
1166 req->ptr1 = SvPVbyte_nolen (req->sv1);
1167 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1691 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168 1692
1169 if (flags & EIO_READDIR_DENTS) 1693 if (flags & EIO_READDIR_DENTS)
1170 req->int1 |= EIO_READDIR_CUSTOM2; 1694 req->int1 |= EIO_READDIR_CUSTOM2;
1171 1695
1696 req_set_path1 (req, pathname);
1697
1172 REQ_SEND; 1698 REQ_SEND;
1173} 1699}
1174 1700
1175void 1701void
1702aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1703 PPCODE:
1704{
1705 dREQ;
1706
1707 req->type = EIO_MKDIR;
1708 req->int2 = mode;
1709 req_set_path1 (req, pathname);
1710
1711 REQ_SEND;
1712}
1713
1714void
1176aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1715aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1177 ALIAS: 1716 ALIAS:
1178 aio_unlink = EIO_UNLINK 1717 aio_unlink = EIO_UNLINK
1179 aio_rmdir = EIO_RMDIR 1718 aio_rmdir = EIO_RMDIR
1180 aio_readdir = EIO_READDIR 1719 aio_readdir = EIO_READDIR
1181 PPCODE: 1720 PPCODE:
1182{ 1721{
1183 dREQ; 1722 dREQ;
1184 1723
1185 req->type = ix; 1724 req->type = ix;
1186 req->sv1 = newSVsv (pathname); 1725 req_set_path1 (req, pathname);
1187 req->ptr1 = SvPVbyte_nolen (req->sv1);
1188 1726
1189 REQ_SEND; 1727 REQ_SEND;
1190} 1728}
1191 1729
1192void 1730void
1193aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1731aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1194 ALIAS: 1732 ALIAS:
1195 aio_link = EIO_LINK 1733 aio_link = EIO_LINK
1196 aio_symlink = EIO_SYMLINK 1734 aio_symlink = EIO_SYMLINK
1197 aio_rename = EIO_RENAME 1735 aio_rename = EIO_RENAME
1198 PPCODE: 1736 PPCODE:
1199{ 1737{
1738 eio_wd wd2 = 0;
1200 dREQ; 1739 dREQ;
1201 1740
1202 req->type = ix; 1741 req->type = ix;
1203 req->sv1 = newSVsv (oldpath); 1742 req_set_path1 (req, oldpath);
1204 req->ptr1 = SvPVbyte_nolen (req->sv1); 1743 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205 req->sv2 = newSVsv (newpath); 1744 req->int3 = (long)wd2;
1206 req->ptr2 = SvPVbyte_nolen (req->sv2);
1207 1745
1208 REQ_SEND; 1746 REQ_SEND;
1209} 1747}
1210 1748
1211void 1749void
1750aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1751 PPCODE:
1752{
1753 eio_wd wd2 = 0;
1754 dREQ;
1755
1756 req->type = EIO_RENAME;
1757 req_set_path1 (req, oldpath);
1758 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1759 req->int2 = flags;
1760 req->int3 = (long)wd2;
1761
1762 REQ_SEND;
1763}
1764
1765void
1212aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1766aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1213 PPCODE: 1767 PPCODE:
1214{ 1768{
1215 dREQ; 1769 dREQ;
1216 1770
1217 req->type = EIO_MKNOD; 1771 req->type = EIO_MKNOD;
1218 req->sv1 = newSVsv (pathname);
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 req->int2 = (mode_t)mode; 1772 req->int2 = (mode_t)mode;
1221 req->offs = dev; 1773 req->offs = dev;
1774 req_set_path1 (req, pathname);
1222 1775
1223 REQ_SEND; 1776 REQ_SEND;
1224} 1777}
1225 1778
1226void 1779void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1780aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1228 ALIAS: 1781 ALIAS:
1229 aio_mtouch = EIO_MTOUCH 1782 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC 1783 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE: 1784 PPCODE:
1233{ 1785{
1234 STRLEN svlen; 1786 STRLEN svlen;
1787 char *svptr = SvPVbyte (data, svlen);
1235 UV len = SvUV (length); 1788 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen); 1789
1790 if (flags < 0)
1791 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1237 1792
1238 if (offset < 0) 1793 if (offset < 0)
1239 offset += svlen; 1794 offset += svlen;
1240 1795
1241 if (offset < 0 || offset > svlen) 1796 if (offset < 0 || offset > svlen)
… …
1246 1801
1247 { 1802 {
1248 dREQ; 1803 dREQ;
1249 1804
1250 req->type = ix; 1805 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data); 1806 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset; 1807 req->ptr2 = (char *)svptr + offset;
1808 req->size = len;
1254 req->int1 = flags; 1809 req->int1 = flags;
1255 1810
1256 REQ_SEND; 1811 REQ_SEND;
1257 } 1812 }
1258} 1813}
1259 1814
1260void 1815void
1816aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1817 PPCODE:
1818{
1819 STRLEN svlen;
1820 char *svptr = SvPVbyte (data, svlen);
1821 UV len = SvUV (length);
1822
1823 if (offset < 0)
1824 offset += svlen;
1825
1826 if (offset < 0 || offset > svlen)
1827 croak ("offset outside of scalar");
1828
1829 if (!SvOK (length) || len + offset > svlen)
1830 len = svlen - offset;
1831
1832 {
1833 dREQ;
1834
1835 req->type = EIO_MLOCK;
1836 req->sv2 = SvREFCNT_inc (data);
1837 req->ptr2 = (char *)svptr + offset;
1838 req->size = len;
1839
1840 REQ_SEND;
1841 }
1842}
1843
1844void
1845aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1846 PPCODE:
1847{
1848 dREQ;
1849
1850 req->type = EIO_MLOCKALL;
1851 req->int1 = flags;
1852
1853 REQ_SEND;
1854}
1855
1856void
1857aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1858 PPCODE:
1859{
1860 int fd = s_fileno_croak (fh, 0);
1861 dREQ;
1862
1863 req->type = EIO_CUSTOM;
1864 req->sv1 = newSVsv (fh);
1865 req->int1 = fd;
1866
1867 req->feed = fiemap;
1868#if HAVE_FIEMAP
1869 /* keep our fingers crossed that the next two types are 64 bit */
1870 req->offs = start;
1871 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1872 req->int2 = flags;
1873 req->int3 = SvOK (count) ? SvIV (count) : -1;
1874#endif
1875
1876 REQ_SEND;
1877}
1878
1879void
1880aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1881 PPCODE:
1882{
1883 char *svptr = 0;
1884
1885 sv_clear_foreign (data);
1886
1887 if (length) /* known length, directly read into scalar */
1888 {
1889 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1890 svptr = sv_grow (data, length + 1);
1891 else if (SvCUR (data) < length)
1892 croak ("length outside of scalar, and cannot grow");
1893 else
1894 svptr = SvPVbyte_nolen (data);
1895 }
1896
1897 {
1898 dREQ;
1899
1900 req->type = EIO_SLURP;
1901 req_set_path1 (req, pathname);
1902 req->offs = offset;
1903 req->size = length;
1904 req->sv2 = SvREFCNT_inc (data);
1905 req->ptr2 = svptr;
1906
1907 if (!SvREADONLY (data))
1908 {
1909 SvREADONLY_on (data);
1910 req->flags |= FLAG_SV2_RO_OFF;
1911 }
1912
1913 REQ_SEND;
1914 }
1915}
1916
1917void
1261aio_busy (double delay, SV *callback=&PL_sv_undef) 1918aio_busy (double delay, SV *callback = &PL_sv_undef)
1262 PPCODE: 1919 PPCODE:
1263{ 1920{
1264 dREQ; 1921 dREQ;
1265 1922
1266 req->type = EIO_BUSY; 1923 req->type = EIO_BUSY;
… …
1268 1925
1269 REQ_SEND; 1926 REQ_SEND;
1270} 1927}
1271 1928
1272void 1929void
1273aio_group (SV *callback=&PL_sv_undef) 1930aio_group (SV *callback = &PL_sv_undef)
1274 PROTOTYPE: ;$
1275 PPCODE: 1931 PPCODE:
1276{ 1932{
1277 dREQ; 1933 dREQ;
1278 1934
1279 req->type = EIO_GROUP; 1935 req->type = EIO_GROUP;
1280 1936
1937 PUTBACK;
1281 req_submit (req); 1938 req_submit (req);
1939 SPAGAIN;
1940
1282 XPUSHs (req_sv (req, aio_grp_stash)); 1941 XPUSHs (req_sv (req, aio_grp_stash));
1283} 1942}
1284 1943
1285void 1944void
1286aio_nop (SV *callback=&PL_sv_undef) 1945aio_nop (SV *callback = &PL_sv_undef)
1287 ALIAS: 1946 ALIAS:
1288 aio_nop = EIO_NOP 1947 aio_nop = EIO_NOP
1289 aio_sync = EIO_SYNC 1948 aio_sync = EIO_SYNC
1290 PPCODE: 1949 PPCODE:
1291{ 1950{
… …
1295 1954
1296 REQ_SEND; 1955 REQ_SEND;
1297} 1956}
1298 1957
1299int 1958int
1300aioreq_pri (int pri = 0) 1959aioreq_pri (int pri = NO_INIT)
1301 PROTOTYPE: ;$
1302 CODE: 1960 CODE:
1303 RETVAL = next_pri; 1961 RETVAL = next_pri;
1304 if (items > 0) 1962 if (items > 0)
1305 { 1963 {
1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1964 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1976 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319 next_pri = nice; 1977 next_pri = nice;
1320 1978
1321void 1979void
1322flush () 1980flush ()
1323 PROTOTYPE:
1324 CODE: 1981 CODE:
1325 while (eio_nreqs ()) 1982 while (eio_nreqs ())
1326 { 1983 {
1327 poll_wait (); 1984 poll_wait ();
1328 poll_cb (); 1985 poll_cb ();
1329 } 1986 }
1330 1987
1331int 1988int
1332poll() 1989poll ()
1333 PROTOTYPE:
1334 CODE: 1990 CODE:
1335 poll_wait (); 1991 poll_wait ();
1336 RETVAL = poll_cb (); 1992 RETVAL = poll_cb ();
1337 OUTPUT: 1993 OUTPUT:
1338 RETVAL 1994 RETVAL
1339 1995
1340int 1996int
1341poll_fileno() 1997poll_fileno ()
1342 PROTOTYPE:
1343 CODE: 1998 CODE:
1344 RETVAL = s_epipe_fd (&respipe); 1999 RETVAL = s_epipe_fd (&respipe);
1345 OUTPUT: 2000 OUTPUT:
1346 RETVAL 2001 RETVAL
1347 2002
1348int 2003int
1349poll_cb(...) 2004poll_cb (...)
1350 PROTOTYPE: 2005 PROTOTYPE:
1351 CODE: 2006 CODE:
1352 RETVAL = poll_cb (); 2007 RETVAL = poll_cb ();
1353 OUTPUT: 2008 OUTPUT:
1354 RETVAL 2009 RETVAL
1355 2010
1356void 2011void
1357poll_wait() 2012poll_wait ()
1358 PROTOTYPE:
1359 CODE: 2013 CODE:
1360 poll_wait (); 2014 poll_wait ();
1361 2015
1362int 2016int
1363nreqs() 2017nreqs ()
1364 PROTOTYPE:
1365 CODE: 2018 CODE:
1366 RETVAL = eio_nreqs (); 2019 RETVAL = eio_nreqs ();
1367 OUTPUT: 2020 OUTPUT:
1368 RETVAL 2021 RETVAL
1369 2022
1370int 2023int
1371nready() 2024nready ()
1372 PROTOTYPE:
1373 CODE: 2025 CODE:
1374 RETVAL = eio_nready (); 2026 RETVAL = eio_nready ();
1375 OUTPUT: 2027 OUTPUT:
1376 RETVAL 2028 RETVAL
1377 2029
1378int 2030int
1379npending() 2031npending ()
1380 PROTOTYPE:
1381 CODE: 2032 CODE:
1382 RETVAL = eio_npending (); 2033 RETVAL = eio_npending ();
1383 OUTPUT: 2034 OUTPUT:
1384 RETVAL 2035 RETVAL
1385 2036
1386int 2037int
1387nthreads() 2038nthreads ()
1388 PROTOTYPE:
1389 CODE: 2039 CODE:
1390 RETVAL = eio_nthreads (); 2040 RETVAL = eio_nthreads ();
1391 OUTPUT: 2041 OUTPUT:
1392 RETVAL 2042 RETVAL
1393 2043
1394int 2044int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2045fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE: 2046 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice); 2047 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT: 2048 OUTPUT:
1400 RETVAL 2049 RETVAL
1401 2050
1402ssize_t 2051IV
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2052sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE: 2053 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2054 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT: 2055 OUTPUT:
1408 RETVAL 2056 RETVAL
1409 2057
1410void 2058void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2059mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE: 2060 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC); 2061 sv_clear_foreign (scalar);
1415{ 2062{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2063 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2064 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1418 if (addr == (void *)-1) 2065 if (addr == (void *)-1)
1419 XSRETURN_NO; 2066 XSRETURN_NO;
1420 2067
1421 sv_force_normal (scalar); 2068 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1422
1423 /* we store the length in mg_obj, as namlen is I32 :/ */
1424 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1425 ->mg_obj = (SV *)length;
1426
1427 SvUPGRADE (scalar, SVt_PV); /* nop... */
1428 2069
1429 if (!(prot & PROT_WRITE)) 2070 if (!(prot & PROT_WRITE))
1430 SvREADONLY_on (scalar); 2071 SvREADONLY_on (scalar);
1431 2072
1432 if (SvLEN (scalar))
1433 Safefree (SvPVX (scalar));
1434
1435 SvPVX (scalar) = (char *)addr;
1436 SvCUR_set (scalar, length);
1437 SvLEN_set (scalar, 0);
1438 SvPOK_only (scalar);
1439
1440 XSRETURN_YES; 2073 XSRETURN_YES;
1441} 2074}
1442 2075
1443void 2076void
1444munmap (SV *scalar) 2077munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE: 2078 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC); 2079 sv_clear_foreign (scalar);
1448 2080
1449int 2081SV *
1450madvise (SV *scalar, off_t offset, off_t length, IV advice) 2082mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
1451 PROTOTYPE: $$$$ 2083 CODE:
1452 CODE:
1453{ 2084{
1454 char *addr = SvPV_nolen (scalar) + offset; 2085 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2086 void *new;
1455 2087
1456 if (!SvOK (ST (2))) 2088 if (!mg || SvPVX (scalar) != mg->mg_ptr)
1457 length = SvCUR (scalar) - offset; 2089 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
1458 2090
1459 if (addr >= SvEND (scalar) || length <= 0) 2091 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
1460 XSRETURN_EMPTY;
1461 2092
1462 RETVAL = posix_madvise (addr, length, advice); 2093 RETVAL = &PL_sv_no;
2094
2095 if (new != (void *)-1)
2096 {
2097 RETVAL = new == (void *)mg->mg_ptr
2098 ? newSVpvn ("0 but true", 10)
2099 : &PL_sv_yes;
2100
2101 mg->mg_ptr = (char *)new;
2102 mg->mg_obj = (SV *)new_length;
2103
2104 SvPVX (scalar) = mg->mg_ptr;
2105 SvCUR_set (scalar, new_length);
2106 }
1463} 2107}
1464 OUTPUT: 2108 OUTPUT:
1465 RETVAL 2109 RETVAL
1466 2110
1467int 2111int
1468mlockall (int flags) 2112madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1469 PROTOTYPE: $ 2113 ALIAS:
2114 mprotect = 1
1470 CODE: 2115 CODE:
2116{
2117 STRLEN svlen;
2118 void *addr = SvPVbyte (scalar, svlen);
2119 STRLEN len = SvUV (length);
2120
2121 if (offset < 0)
2122 offset += svlen;
2123
2124 if (offset < 0 || offset > svlen)
2125 croak ("offset outside of scalar");
2126
2127 if (!SvOK (length) || len + offset > svlen)
2128 len = svlen - offset;
2129
2130 addr = (void *)(((intptr_t)addr) + offset);
2131 eio_page_align (&addr, &len);
2132
2133 switch (ix)
2134 {
2135 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2136 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2137 }
2138}
2139 OUTPUT:
2140 RETVAL
2141
2142int
2143munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2144 CODE:
2145{
2146 STRLEN svlen;
2147 void *addr = SvPVbyte (scalar, svlen);
2148 size_t len = SvUV (length);
2149
2150 if (offset < 0)
2151 offset += svlen;
2152
2153 if (offset < 0 || offset > svlen)
2154 croak ("offset outside of scalar");
2155
2156 if (!SvOK (length) || len + offset > svlen)
2157 len = svlen - offset;
2158
2159 addr = (void *)(((intptr_t)addr) + offset);
2160 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2161#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2162 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 2163#else
1478 RETVAL = -1; 2164 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2165#endif
2166}
1481 OUTPUT: 2167 OUTPUT:
1482 RETVAL 2168 RETVAL
1483 2169
1484int 2170int
1485munlockall () 2171munlockall ()
1486 PROTOTYPE:
1487 CODE: 2172 CODE:
1488#if _POSIX_MEMLOCK 2173#if _POSIX_MEMLOCK
1489 munlockall (); 2174 munlockall ();
1490#else 2175#else
1491 RETVAL = -1; 2176 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2177#endif
1494 OUTPUT: 2178 OUTPUT:
1495 RETVAL 2179 RETVAL
2180
2181int
2182splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2183 CODE:
2184{
2185#if HAVE_LINUX_SPLICE
2186 loff_t off_in_, off_out_;
2187 RETVAL = splice (
2188 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2189 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2190 length, flags
2191 );
2192#else
2193 RETVAL = EIO_ENOSYS ();
2194#endif
2195}
2196 OUTPUT:
2197 RETVAL
2198
2199int
2200tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2201 CODE:
2202#if HAVE_LINUX_SPLICE
2203 RETVAL = tee (rfh, wfh, length, flags);
2204#else
2205 RETVAL = EIO_ENOSYS ();
2206#endif
2207 OUTPUT:
2208 RETVAL
2209
2210int
2211pipesize (aio_rfd rfh, int new_size = -1)
2212 PROTOTYPE: $;$
2213 CODE:
2214#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2215 if (new_size >= 0)
2216 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2217 else
2218 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2219#else
2220 errno = ENOSYS;
2221 RETVAL = -1;
2222#endif
2223 OUTPUT:
2224 RETVAL
2225
2226void
2227pipe2 (int flags = 0)
2228 PROTOTYPE: ;$
2229 PPCODE:
2230{
2231 int fd[2];
2232 int res;
2233
2234 if (flags)
2235#if HAVE_PIPE2
2236 res = pipe2 (fd, flags);
2237#else
2238 res = (errno = ENOSYS, -1);
2239#endif
2240 else
2241 res = pipe (fd);
2242
2243 if (!res)
2244 {
2245 EXTEND (SP, 2);
2246 PUSHs (newmortalFH (fd[0], O_RDONLY));
2247 PUSHs (newmortalFH (fd[1], O_WRONLY));
2248 }
2249}
2250
2251void
2252eventfd (unsigned int initval = 0, int flags = 0)
2253 PPCODE:
2254{
2255 int fd;
2256#if HAVE_EVENTFD
2257 fd = eventfd (initval, flags);
2258#else
2259 fd = (errno = ENOSYS, -1);
2260#endif
2261
2262 XPUSHs (newmortalFH (fd, O_RDWR));
2263}
2264
2265void
2266timerfd_create (int clockid, int flags = 0)
2267 PPCODE:
2268{
2269 int fd;
2270#if HAVE_TIMERFD
2271 fd = timerfd_create (clockid, flags);
2272#else
2273 fd = (errno = ENOSYS, -1);
2274#endif
2275
2276 XPUSHs (newmortalFH (fd, O_RDWR));
2277}
2278
2279void
2280timerfd_settime (SV *fh, int flags, NV interval, NV value)
2281 PPCODE:
2282{
2283 int fd = s_fileno_croak (fh, 0);
2284#if HAVE_TIMERFD
2285 int res;
2286 struct itimerspec its, ots;
2287
2288 ts_set (&its.it_interval, interval);
2289 ts_set (&its.it_value , value);
2290 res = timerfd_settime (fd, flags, &its, &ots);
2291
2292 if (!res)
2293 {
2294 EXTEND (SP, 2);
2295 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2296 PUSHs (newSVnv (ts_get (&ots.it_value)));
2297 }
2298#else
2299 errno = ENOSYS;
2300#endif
2301}
2302
2303void
2304timerfd_gettime (SV *fh)
2305 PPCODE:
2306{
2307 int fd = s_fileno_croak (fh, 0);
2308#if HAVE_TIMERFD
2309 int res;
2310 struct itimerspec ots;
2311 res = timerfd_gettime (fd, &ots);
2312
2313 if (!res)
2314 {
2315 EXTEND (SP, 2);
2316 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2317 PUSHs (newSVnv (ts_get (&ots.it_value)));
2318 }
2319#else
2320 errno = ENOSYS;
2321#endif
2322}
2323
2324UV
2325get_fdlimit ()
2326 CODE:
2327#if HAVE_RLIMITS
2328 struct rlimit rl;
2329 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2330 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2331#endif
2332 XSRETURN_UNDEF;
2333 OUTPUT:
2334 RETVAL
2335
2336void
2337min_fdlimit (UV limit = 0x7fffffffU)
2338 CODE:
2339{
2340#if HAVE_RLIMITS
2341 struct rlimit rl;
2342 rlim_t orig_rlim_max;
2343 UV bit;
2344
2345 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2346 goto fail;
2347
2348 if (rl.rlim_cur == RLIM_INFINITY)
2349 XSRETURN_YES;
2350
2351 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2352
2353 if (rl.rlim_cur < limit)
2354 {
2355 rl.rlim_cur = limit;
2356
2357 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2358 rl.rlim_max = rl.rlim_cur;
2359 }
2360
2361 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2362 XSRETURN_YES;
2363
2364 if (errno == EPERM)
2365 {
2366 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2367 /* our limit overflows a system-wide limit */
2368 /* try an adaptive algorithm, but do not lower the hardlimit */
2369 rl.rlim_max = 0;
2370 for (bit = 0x40000000U; bit; bit >>= 1)
2371 {
2372 rl.rlim_max |= bit;
2373 rl.rlim_cur = rl.rlim_max;
2374
2375 /* nevr decrease the hard limit */
2376 if (rl.rlim_max < orig_rlim_max)
2377 break;
2378
2379 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2380 rl.rlim_max &= ~bit; /* too high, remove bit again */
2381 }
2382
2383 /* now, raise the soft limit to the max permitted */
2384 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2385 {
2386 rl.rlim_cur = rl.rlim_max;
2387 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2388 errno = EPERM;
2389 }
2390 }
2391#endif
2392 fail:
2393 XSRETURN_UNDEF;
2394}
1496 2395
1497void _on_next_submit (SV *cb) 2396void _on_next_submit (SV *cb)
1498 CODE: 2397 CODE:
1499 SvREFCNT_dec (on_next_submit); 2398 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2399 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2400
1502PROTOTYPES: DISABLE 2401PROTOTYPES: DISABLE
1503 2402
2403MODULE = IO::AIO PACKAGE = IO::AIO::WD
2404
2405BOOT:
2406{
2407 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2408 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2409}
2410
2411void
2412DESTROY (SV *self)
2413 CODE:
2414{
2415 aio_wd wd = SvAIO_WD (self);
2416#if HAVE_AT
2417 {
2418 SV *callback = &PL_sv_undef;
2419 dREQ; /* clobbers next_pri :/ */
2420 next_pri = req->pri; /* restore next_pri */
2421 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2422 req->type = EIO_WD_CLOSE;
2423 req->wd = wd;
2424 REQ_SEND;
2425 }
2426#else
2427 eio_wd_close_sync (wd);
2428#endif
2429}
2430
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2431MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2432
1506void 2433void
1507cancel (aio_req_ornot req) 2434cancel (aio_req_ornot req)
1508 CODE: 2435 CODE:
1509 eio_cancel (req); 2436 eio_cancel (req);
1510 2437
1511void 2438void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2439cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2440 PPCODE:
1514{ 2441{
1515 if (GIMME_V != G_VOID) 2442 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2443 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2444
1518 if (items > 1) 2445 if (items > 1)
1519 { 2446 {
1520 SV *cb_cv =get_cb (callback); 2447 SV *cb_cv = get_cb (callback);
1521 2448
1522 SvREFCNT_dec (req->callback); 2449 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2450 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2451 }
1525} 2452}
… …
1582limit (aio_req grp, int limit) 2509limit (aio_req grp, int limit)
1583 CODE: 2510 CODE:
1584 eio_grp_limit (grp, limit); 2511 eio_grp_limit (grp, limit);
1585 2512
1586void 2513void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2514feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2515 CODE:
1589{ 2516{
1590 SvREFCNT_dec (grp->sv2); 2517 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2518 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2519 grp->feed = aio_grp_feed;

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