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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 1.253 by root, Tue Feb 20 04:32:59 2018 UTC

… …
11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 16#include <limits.h>
18#include <fcntl.h> 17#include <fcntl.h>
19#include <sched.h> 18#include <sched.h>
20 19
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 21# include <sys/mman.h>
22#endif
23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
23#endif 36#endif
24 37
25/* perl namespace pollution */ 38/* perl namespace pollution */
26#undef VERSION 39#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 40
77/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
79#undef readdir 43#undef readdir
80#undef opendir 44#undef opendir
81#undef closedir 45#undef closedir
82 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80
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 "libeio/config.h"
110
111#if HAVE_EVENTFD
112# include <sys/eventfd.h>
113#endif
114
115#if HAVE_RLIMITS
116 #include <sys/time.h>
117 #include <sys/resource.h>
118#endif
119
109typedef SV SV8; /* byte-sv, used for argument-checking */ 120typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 121typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 122typedef int aio_wfd; /* write file descriptor */
112 123
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 124static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 125
115#define EIO_REQ_MEMBERS \ 126#define EIO_REQ_MEMBERS \
116 SV *callback; \ 127 SV *callback; \
117 SV *sv1, *sv2; \ 128 SV *sv1, *sv2; \
129 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 130 STRLEN stroffset; \
119 SV *self; 131 SV *self;
120 132
121#define EIO_NO_WRAPPERS 1 133#define EIO_NO_WRAPPERS 1
122 134
123#include "libeio/eio.h" 135#include "libeio/eio.h"
124 136
125#ifndef POSIX_FADV_NORMAL 137static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 138#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 139static void req_destroy (eio_req *grp);
128#endif 140#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
144 141
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 142#include "libeio/eio.c"
143
144#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 145# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 146#endif
148 147
149#ifndef POSIX_MADV_NORMAL 148#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 */ 149# 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 150#endif
207 151
208#ifndef MAP_ANONYMOUS 152#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON 153# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON 154# define MAP_ANONYMOUS MAP_ANON
211# else 155# else
212# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 156# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213# endif 157# endif
214#endif 158#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
230 159
231#ifndef PAGESIZE 160/* defines all sorts of constants to 0 unless they are already defined */
161/* also provides const_iv_ and const_niv_ macros for them */
162#include "def0.h"
163
164#ifndef makedev
165# define makedev(maj,min) (((maj) << 8) | (min))
166#endif
167#ifndef major
168# define major(dev) ((dev) >> 8)
169#endif
170#ifndef minor
171# define minor(dev) ((dev) & 0xff)
172#endif
173
174#if PAGESIZE <= 0
232# define PAGESIZE sysconf (_SC_PAGESIZE) 175# define PAGESIZE sysconf (_SC_PAGESIZE)
233#endif 176#endif
234 177
235static int req_invoke (eio_req *req); 178/*****************************************************************************/
236#define EIO_FINISH(req) req_invoke (req) 179
237static void req_destroy (eio_req *grp); 180#if !_POSIX_MAPPED_FILES
238#define EIO_DESTROY(req) req_destroy (req) 181# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
182# define munmap(addr,length) EIO_ENOSYS ()
183#endif
184
185#if !_POSIX_MEMORY_PROTECTION
186# define mprotect(addr,len,prot) EIO_ENOSYS ()
187#endif
188
189#define FOREIGN_MAGIC PERL_MAGIC_ext
190
191static int ecb_cold
192mmap_free (pTHX_ SV *sv, MAGIC *mg)
193{
194 int old_errno = errno;
195 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
196 errno = old_errno;
197
198 mg->mg_obj = 0; /* just in case */
199
200 SvREADONLY_off (sv);
201
202 if (SvPVX (sv) != mg->mg_ptr)
203 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
204
205 SvCUR_set (sv, 0);
206 SvPVX (sv) = 0;
207 SvOK_off (sv);
208
209 return 0;
210}
211
212static MGVTBL mmap_vtbl = {
213 0, 0, 0, 0, mmap_free
214};
215
216static int ecb_cold
217sysfree_free (pTHX_ SV *sv, MAGIC *mg)
218{
219 free (mg->mg_ptr);
220 mg->mg_obj = 0; /* just in case */
221
222 SvREADONLY_off (sv);
223
224 if (SvPVX (sv) != mg->mg_ptr)
225 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
226
227 SvCUR_set (sv, 0);
228 SvPVX (sv) = 0;
229 SvOK_off (sv);
230
231 return 0;
232}
233
234static MGVTBL sysfree_vtbl = {
235 0, 0, 0, 0, sysfree_free
236};
237
238/*****************************************************************************/
239
240/* helper: set scalar to foreign ptr with custom free */
241static void
242sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
243{
244 sv_force_normal (sv);
245
246 /* we store the length in mg_obj, as namlen is I32 :/ */
247 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
248 ->mg_obj = (SV *)length;
249
250 SvUPGRADE (sv, SVt_PV); /* nop... */
251
252 if (SvLEN (sv))
253 Safefree (SvPVX (sv));
254
255 SvPVX (sv) = (char *)addr;
256 SvCUR_set (sv, length);
257 SvLEN_set (sv, 0);
258 SvPOK_only (sv);
259}
260
261static void
262sv_clear_foreign (SV *sv)
263{
264 /* todo: iterate over magic and only free ours, but of course */
265 /* the perl5porters will call that (correct) behaviour buggy */
266 sv_unmagic (sv, FOREIGN_MAGIC);
267}
268
269/*****************************************************************************/
270
271static void
272fiemap (eio_req *req)
273{
274 req->result = -1;
275
276#if HAVE_FIEMAP
277 /* assume some c99 */
278 struct fiemap *fiemap = 0;
279 size_t end_offset;
280 int count = req->int3;
281
282 req->flags |= EIO_FLAG_PTR1_FREE;
283
284 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
285 /* increase in 3.5kb steps */
286 if (count < 0)
287 count = 8;
288
289 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
290 errno = ENOMEM;
291 if (!fiemap)
292 return;
293
294 req->ptr1 = fiemap;
295
296 fiemap->fm_start = req->offs;
297 fiemap->fm_length = req->size;
298 fiemap->fm_flags = req->int2;
299 fiemap->fm_extent_count = count;
300
301 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
302 return;
303
304 if (req->int3 >= 0 /* not autosizing */
305 || !fiemap->fm_mapped_extents /* no more extents */
306 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
307 goto done;
308
309 /* else we have to loop -
310 * it would be tempting (actually I tried that first) to just query the
311 * number of extents needed, but linux often feels like not returning all
312 * extents, without telling us it left any out. this complicates
313 * this quite a bit.
314 */
315
316 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
317
318 for (;;)
319 {
320 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
321 char scratch[3072];
322 struct fiemap *incmap = (struct fiemap *)scratch;
323
324 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
325 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
326 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
327 incmap->fm_flags = fiemap->fm_flags;
328 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
329
330 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
331 return;
332
333 if (!incmap->fm_mapped_extents)
334 goto done;
335
336 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
337 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
338 errno = ENOMEM;
339 if (!fiemap)
340 return;
341
342 req->ptr1 = fiemap;
343
344 for (count = 0; count < incmap->fm_mapped_extents; ++count)
345 {
346 struct fiemap_extent *e = incmap->fm_extents + count;
347
348 if (e->fe_logical + e->fe_length >= end_offset)
349 goto done;
350
351 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
352
353 if (e->fe_flags & FIEMAP_EXTENT_LAST)
354 goto done;
355
356 }
357 }
358
359done:
360 req->result = 0;
361
362#else
363 errno = ENOSYS;
364#endif
365}
366
367/*****************************************************************************/
239 368
240enum { 369enum {
241 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 370 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242}; 371};
243 372
244#include "libeio/eio.c"
245
246typedef eio_req *aio_req; 373typedef eio_req *aio_req;
247typedef eio_req *aio_req_ornot; 374typedef eio_req *aio_req_ornot;
375typedef eio_wd aio_wd;
248 376
249static SV *on_next_submit; 377static SV *on_next_submit;
250static int next_pri = EIO_PRI_DEFAULT; 378static int next_pri = EIO_PRI_DEFAULT;
251static int max_outstanding; 379static int max_outstanding;
252 380
253static s_epipe respipe; 381static s_epipe respipe;
254 382
255static void req_destroy (aio_req req); 383static void req_destroy (aio_req req);
256static void req_cancel (aio_req req); 384static void req_cancel (aio_req req);
257 385
258static void want_poll (void) 386static void
387want_poll (void)
259{ 388{
260 /* write a dummy byte to the pipe so fh becomes ready */ 389 /* write a dummy byte to the pipe so fh becomes ready */
261 s_epipe_signal (&respipe); 390 s_epipe_signal (&respipe);
262} 391}
263 392
264static void done_poll (void) 393static void
394done_poll (void)
265{ 395{
266 /* read any signals sent by the worker threads */ 396 /* read any signals sent by the worker threads */
267 s_epipe_drain (&respipe); 397 s_epipe_drain (&respipe);
268} 398}
269 399
270/* must be called at most once */ 400/* must be called at most once */
401static SV *
271static SV *req_sv (aio_req req, HV *stash) 402req_sv (aio_req req, HV *stash)
272{ 403{
273 if (!req->self) 404 if (!req->self)
274 { 405 {
275 req->self = (SV *)newHV (); 406 req->self = (SV *)newHV ();
276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 407 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277 } 408 }
278 409
279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 410 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280} 411}
281 412
282static aio_req SvAIO_REQ (SV *sv) 413static SV *
414newSVaio_wd (aio_wd wd)
415{
416 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
417}
418
419static aio_req
420SvAIO_REQ (SV *sv)
283{ 421{
284 MAGIC *mg; 422 MAGIC *mg;
285 423
286 if (!SvROK (sv) 424 if (!SvROK (sv)
425 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash 426 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash 427 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ"))) 428 && !sv_derived_from (sv, "IO::AIO::REQ")))
290 croak ("object of class IO::AIO::REQ expected"); 429 croak ("object of class IO::AIO::REQ expected");
291 430
292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 431 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293 432
294 return mg ? (aio_req)mg->mg_ptr : 0; 433 return mg ? (aio_req)mg->mg_ptr : 0;
295} 434}
296 435
436static aio_wd
437SvAIO_WD (SV *sv)
438{
439 if (!SvROK (sv)
440 || SvTYPE (SvRV (sv)) != SVt_PVMG
441 || SvSTASH (SvRV (sv)) != aio_wd_stash)
442 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
443
444 return (aio_wd)(long)SvIVX (SvRV (sv));
445}
446
447static SV *
448newmortalFH (int fd, int flags)
449{
450 if (fd < 0)
451 return &PL_sv_undef;
452
453 GV *gv = (GV *)sv_newmortal ();
454 char sym[64];
455 int symlen;
456
457 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
458 gv_init (gv, aio_stash, sym, symlen, 0);
459
460 symlen = snprintf (
461 sym,
462 sizeof (sym),
463 "%s&=%d",
464 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
465 fd
466 );
467
468 return do_open (gv, sym, symlen, 0, 0, 0, 0)
469 ? (SV *)gv : &PL_sv_undef;
470}
471
472static void
297static void aio_grp_feed (aio_req grp) 473aio_grp_feed (aio_req grp)
298{ 474{
299 if (grp->sv2 && SvOK (grp->sv2)) 475 if (grp->sv2 && SvOK (grp->sv2))
300 { 476 {
301 dSP; 477 dSP;
302 478
… …
310 FREETMPS; 486 FREETMPS;
311 LEAVE; 487 LEAVE;
312 } 488 }
313} 489}
314 490
491static void
315static void req_submit (eio_req *req) 492req_submit (eio_req *req)
316{ 493{
317 eio_submit (req); 494 eio_submit (req);
318 495
319 if (expect_false (on_next_submit)) 496 if (expect_false (on_next_submit))
320 { 497 {
… …
327 PUTBACK; 504 PUTBACK;
328 call_sv (cb, G_DISCARD | G_EVAL); 505 call_sv (cb, G_DISCARD | G_EVAL);
329 } 506 }
330} 507}
331 508
509static int
332static int req_invoke (eio_req *req) 510req_invoke (eio_req *req)
333{ 511{
334 if (req->flags & FLAG_SV2_RO_OFF) 512 if (req->flags & FLAG_SV2_RO_OFF)
335 SvREADONLY_off (req->sv2); 513 SvREADONLY_off (req->sv2);
336 514
337 if (!EIO_CANCELLED (req) && req->callback) 515 if (!EIO_CANCELLED (req) && req->callback)
… …
348 /* do not recreate the result IV from scratch each time */ 526 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache)) 527 if (expect_true (sv_result_cache))
350 { 528 {
351 sv_result = sv_result_cache; sv_result_cache = 0; 529 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result); 530 SvIV_set (sv_result, req->result);
531 SvIOK_only (sv_result);
353 } 532 }
354 else 533 else
355 { 534 {
356 sv_result = newSViv (req->result); 535 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result); 536 SvREADONLY_on (sv_result);
358 } 537 }
359 538
360 switch (req->type) 539 switch (req->type)
361 { 540 {
541 case EIO_WD_OPEN:
542 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
543 break;
544
362 case EIO_READDIR: 545 case EIO_READDIR:
363 { 546 {
364 SV *rv = &PL_sv_undef; 547 SV *rv = &PL_sv_undef;
365 548
366 if (req->result >= 0) 549 if (req->result >= 0)
… …
419 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 602 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
420 } 603 }
421 break; 604 break;
422 605
423 case EIO_OPEN: 606 case EIO_OPEN:
424 { 607 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; 608 break;
453 609
454 case EIO_STATVFS: 610 case EIO_STATVFS:
455 case EIO_FSTATVFS: 611 case EIO_FSTATVFS:
456 { 612 {
457 SV *rv = &PL_sv_undef; 613 SV *rv = &PL_sv_undef;
458 614
615#ifndef _WIN32
459 if (req->result >= 0) 616 if (req->result >= 0)
460 { 617 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 618 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 HV *hv = newHV (); 619 HV *hv = newHV ();
620 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
621 * chooses to make it a struct.
622 */
623 unsigned long fsid = 0;
624 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
463 625
464 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 626 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465 627
466 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 628 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); 629 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); 631 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); 632 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); 633 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); 634 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); 635 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); 636 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 637 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); 638 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477 } 639 }
640#endif
478 641
479 PUSHs (rv); 642 PUSHs (rv);
480 } 643 }
481 644
482 break; 645 break;
… …
498 case EIO_NOP: 661 case EIO_NOP:
499 case EIO_BUSY: 662 case EIO_BUSY:
500 break; 663 break;
501 664
502 case EIO_READLINK: 665 case EIO_READLINK:
666 case EIO_REALPATH:
503 if (req->result > 0) 667 if (req->result > 0)
504 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 668 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505 break; 669 break;
506 670
507 case EIO_STAT: 671 case EIO_STAT:
508 case EIO_LSTAT: 672 case EIO_LSTAT:
509 case EIO_FSTAT: 673 case EIO_FSTAT:
510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 674 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
675
511 PL_laststatval = req->result; 676 if (!(PL_laststatval = req->result))
677 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 678 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
679
513 PUSHs (sv_result); 680 PUSHs (sv_result);
681 break;
682
683 case EIO_SEEK:
684 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
514 break; 685 break;
515 686
516 case EIO_READ: 687 case EIO_READ:
517 { 688 {
518 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 689 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
521 SvSETMAGIC (req->sv2); 692 SvSETMAGIC (req->sv2);
522 PUSHs (sv_result); 693 PUSHs (sv_result);
523 } 694 }
524 break; 695 break;
525 696
697 case EIO_SLURP:
698 {
699 if (req->result >= 0)
700 {
701 /* if length was originally not known, we steal the malloc'ed memory */
702 if (req->flags & EIO_FLAG_PTR2_FREE)
703 {
704 req->flags &= ~EIO_FLAG_PTR2_FREE;
705 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
706 }
707 else
708 {
709 SvCUR_set (req->sv2, req->result);
710 *SvEND (req->sv2) = 0;
711 SvPOK_only (req->sv2);
712 }
713
714 SvSETMAGIC (req->sv2);
715 }
716
717 PUSHs (sv_result);
718 }
719 break;
720
721 case EIO_CUSTOM:
722 if (req->feed == fiemap)
723 {
724#if HAVE_FIEMAP
725 if (!req->result)
726 {
727 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
728
729 if (fiemap->fm_extent_count)
730 {
731 AV *av = newAV ();
732 int i;
733
734 while (fiemap->fm_mapped_extents)
735 {
736 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
737 AV *ext_av = newAV ();
738
739 av_store (ext_av, 3, newSVuv (extent->fe_flags));
740 av_store (ext_av, 2, newSVval64 (extent->fe_length));
741 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
742 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
743
744 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
745 }
746
747 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
748 }
749 else
750 {
751 SvIV_set (sv_result, fiemap->fm_mapped_extents);
752 PUSHs (sv_result);
753 }
754 }
755#endif
756 }
757 else
758 PUSHs (sv_result);
759 break;
760
526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 761 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527 if (req->result > 0) 762 if (req->result > 0)
528 SvIV_set (sv_result, 0); 763 SvIV_set (sv_result, 0);
529 /* FALLTHROUGH */ 764 /* FALLTHROUGH */
530 765
531 default: 766 default:
… …
551 } 786 }
552 787
553 return !!SvTRUE (ERRSV); 788 return !!SvTRUE (ERRSV);
554} 789}
555 790
791static void
556static void req_destroy (aio_req req) 792req_destroy (aio_req req)
557{ 793{
558 if (req->self) 794 if (req->self)
559 { 795 {
560 sv_unmagic (req->self, PERL_MAGIC_ext); 796 sv_unmagic (req->self, PERL_MAGIC_ext);
561 SvREFCNT_dec (req->self); 797 SvREFCNT_dec (req->self);
562 } 798 }
563 799
564 SvREFCNT_dec (req->sv1); 800 SvREFCNT_dec (req->sv1);
565 SvREFCNT_dec (req->sv2); 801 SvREFCNT_dec (req->sv2);
802 SvREFCNT_dec (req->sv3);
803 SvREFCNT_dec (req->sv4);
566 SvREFCNT_dec (req->callback); 804 SvREFCNT_dec (req->callback);
567 805
568 Safefree (req); 806 free (req);
569} 807}
570 808
809static void
571static void req_cancel_subs (aio_req grp) 810req_cancel_subs (aio_req grp)
572{ 811{
573 aio_req sub;
574
575 if (grp->type != EIO_GROUP) 812 if (grp->type != EIO_GROUP)
576 return; 813 return;
577 814
578 SvREFCNT_dec (grp->sv2); 815 SvREFCNT_dec (grp->sv2);
579 grp->sv2 = 0; 816 grp->sv2 = 0;
580 817
581 eio_grp_cancel (grp); 818 eio_grp_cancel (grp);
582} 819}
583 820
584static void 821static void ecb_cold
585create_respipe (void) 822create_respipe (void)
586{ 823{
587 if (s_epipe_renew (&respipe)) 824 if (s_epipe_renew (&respipe))
588 croak ("IO::AIO: unable to initialize result pipe"); 825 croak ("IO::AIO: unable to initialize result pipe");
589} 826}
590 827
591static void poll_wait (void) 828static void
829poll_wait (void)
592{ 830{
593 while (eio_nreqs ()) 831 while (eio_nreqs ())
594 { 832 {
595 int size; 833 int size;
596 834
597 X_LOCK (reslock); 835 X_LOCK (EIO_POOL->reslock);
598 size = res_queue.size; 836 size = EIO_POOL->res_queue.size;
599 X_UNLOCK (reslock); 837 X_UNLOCK (EIO_POOL->reslock);
600 838
601 if (size) 839 if (size)
602 return; 840 return;
603 841
604 etp_maybe_start_thread (); 842 etp_maybe_start_thread (EIO_POOL);
605 843
606 s_epipe_wait (&respipe); 844 s_epipe_wait (&respipe);
607 } 845 }
608} 846}
609 847
610static int poll_cb (void) 848static int
849poll_cb (void)
611{ 850{
612 for (;;) 851 for (;;)
613 { 852 {
614 int res = eio_poll (); 853 int res = eio_poll ();
615 854
… …
621 860
622 poll_wait (); 861 poll_wait ();
623 } 862 }
624} 863}
625 864
626static void atfork_child (void) 865static void ecb_cold
866reinit (void)
627{ 867{
628 create_respipe (); 868 create_respipe ();
629}
630 869
631/*****************************************************************************/ 870 if (eio_init (want_poll, done_poll) < 0)
632 871 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} 872}
660
661static MGVTBL mmap_vtbl = {
662 0, 0, 0, 0, mmap_free
663};
664 873
665/*****************************************************************************/ 874/*****************************************************************************/
666 875
667static SV * 876static SV *
668get_cb (SV *cb_sv) 877get_cb (SV *cb_sv)
669{ 878{
670 SvGETMAGIC (cb_sv); 879 SvGETMAGIC (cb_sv);
671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 880 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672} 881}
673 882
883static aio_req ecb_noinline
884dreq (SV *callback)
885{
886 SV *cb_cv;
887 aio_req req;
888 int req_pri = next_pri;
889 next_pri = EIO_PRI_DEFAULT;
890
891 cb_cv = get_cb (callback);
892
893 req = calloc (sizeof (*req), 1);
894 if (!req)
895 croak ("out of memory during eio_req allocation");
896
897 req->callback = SvREFCNT_inc (cb_cv);
898 req->pri = req_pri;
899
900 return req;
901}
902
674#define dREQ \ 903#define dREQ \
675 SV *cb_cv; \ 904 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
688 905
689#define REQ_SEND \ 906#define REQ_SEND \
690 PUTBACK; \ 907 PUTBACK; \
691 req_submit (req); \ 908 req_submit (req); \
692 SPAGAIN; \ 909 SPAGAIN; \
693 \ 910 \
694 if (GIMME_V != G_VOID) \ 911 if (GIMME_V != G_VOID) \
695 XPUSHs (req_sv (req, aio_req_stash)); 912 XPUSHs (req_sv (req, aio_req_stash));
696 913
914ecb_inline void
915req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
916{
917 if (expect_false (SvROK (path)))
918 {
919 SV *rv = SvRV (path);
920 SV *wdob;
921
922 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
923 {
924 path = AvARRAY (rv)[1];
925 wdob = AvARRAY (rv)[0];
926
927 if (SvOK (wdob))
928 {
929 *wd = SvAIO_WD (wdob);
930 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
931 }
932 else
933 *wd = EIO_INVALID_WD;
934 }
935 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
936 {
937 *wd = (aio_wd)(long)SvIVX (rv);
938 *wdsv = SvREFCNT_inc_NN (rv);
939 *ptr = ".";
940 return; /* path set to "." */
941 }
942 else
943 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
944 }
945
946 *pathsv = newSVsv (path);
947 *ptr = SvPVbyte_nolen (*pathsv);
948}
949
950static void ecb_noinline
951req_set_path1 (aio_req req, SV *path)
952{
953 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
954}
955
956static void ecb_noinline
957req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
958{
959 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
960
961 switch (SvTYPE (rv))
962 {
963 case SVt_PVIO:
964 case SVt_PVLV:
965 case SVt_PVGV:
966 req->type = type_fh;
967 req->sv1 = newSVsv (fh_or_path);
968 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
969 break;
970
971 default:
972 req->type = type_path;
973 req_set_path1 (req, fh_or_path);
974 break;
975 }
976}
977
978XS(boot_IO__AIO) ecb_cold;
979
697MODULE = IO::AIO PACKAGE = IO::AIO 980MODULE = IO::AIO PACKAGE = IO::AIO
698 981
699PROTOTYPES: ENABLE 982PROTOTYPES: ENABLE
700 983
701BOOT: 984BOOT:
… …
705 IV iv; 988 IV iv;
706 } *civ, const_iv[] = { 989 } *civ, const_iv[] = {
707# define const_niv(name, value) { # name, (IV) value }, 990# define const_niv(name, value) { # name, (IV) value },
708# define const_iv(name) { # name, (IV) name }, 991# define const_iv(name) { # name, (IV) name },
709# define const_eio(name) { # name, (IV) EIO_ ## name }, 992# define const_eio(name) { # name, (IV) EIO_ ## name },
993
994 /* you have to re-run ./gendef0 after adding/removing any constants here */
995 /* the first block can be undef if missing */
996 const_iv (ENOSYS)
710 const_iv (EXDEV) 997 const_iv (EXDEV)
711 const_iv (ENOSYS) 998 const_iv (EBADR)
999
1000 /* for lseek */
1001 const_iv (SEEK_DATA)
1002 const_iv (SEEK_HOLE)
1003
1004 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1005 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1006 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1007 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1008 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1009 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1010
1011 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1012 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1013 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1014 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1015 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1016
1017 /* the second block will be 0 when missing */
712 const_iv (O_RDONLY) 1018 const_iv (O_RDONLY)
713 const_iv (O_WRONLY) 1019 const_iv (O_WRONLY)
714 const_iv (O_RDWR) 1020 const_iv (O_RDWR)
715 const_iv (O_CREAT) 1021 const_iv (O_CREAT)
716 const_iv (O_TRUNC) 1022 const_iv (O_TRUNC)
717 const_iv (O_EXCL) 1023 const_iv (O_EXCL)
718 const_iv (O_APPEND) 1024 const_iv (O_APPEND)
719#ifndef _WIN32 1025
1026 const_iv (O_ASYNC)
1027 const_iv (O_DIRECT)
1028 const_iv (O_NOATIME)
1029
1030 const_iv (O_CLOEXEC)
1031 const_iv (O_NOCTTY)
1032 const_iv (O_NOFOLLOW)
1033 const_iv (O_NONBLOCK)
1034 const_iv (O_EXEC)
1035 const_iv (O_SEARCH)
1036 const_iv (O_DIRECTORY)
1037 const_iv (O_DSYNC)
1038 const_iv (O_RSYNC)
1039 const_iv (O_SYNC)
1040 const_iv (O_PATH)
1041 const_iv (O_TMPFILE)
1042 const_iv (O_TTY_INIT)
1043
720 const_iv (S_IFIFO) 1044 const_iv (S_IFIFO)
721#endif 1045 const_iv (S_IFCHR)
722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1046 const_iv (S_IFBLK)
723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1047 const_iv (S_IFLNK)
724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1048 const_iv (S_IFREG)
725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1049 const_iv (S_IFDIR)
726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1050 const_iv (S_IFWHT)
727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1051 const_iv (S_IFSOCK)
728 1052 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 1053
735 const_iv (ST_RDONLY) 1054 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID) 1055 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV) 1056 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC) 1057 const_iv (ST_NOEXEC)
… …
743 const_iv (ST_IMMUTABLE) 1062 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME) 1063 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME) 1064 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME) 1065 const_iv (ST_RELATIME)
747 1066
1067 const_iv (PROT_NONE)
748 const_iv (PROT_EXEC) 1068 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ) 1069 const_iv (PROT_READ)
751 const_iv (PROT_WRITE) 1070 const_iv (PROT_WRITE)
752 1071
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE) 1072 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED) 1073 const_iv (MAP_SHARED)
1074 const_iv (MAP_FIXED)
756 const_iv (MAP_ANONYMOUS) 1075 const_iv (MAP_ANONYMOUS)
757 1076
758 /* linuxish */ 1077 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED) 1078 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE) 1079 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE) 1080 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK) 1081 const_iv (MAP_NONBLOCK)
1082 const_iv (MAP_GROWSDOWN)
1083 const_iv (MAP_32BIT)
1084 const_iv (MAP_HUGETLB)
1085 const_iv (MAP_STACK)
764 1086
1087 const_iv (F_DUPFD_CLOEXEC)
1088
1089 const_iv (F_OFD_GETLK)
1090 const_iv (F_OFD_SETLK)
1091 const_iv (F_OFD_GETLKW)
1092
1093 const_iv (FIFREEZE)
1094 const_iv (FITHAW)
1095 const_iv (FITRIM)
1096 const_iv (FICLONE)
1097 const_iv (FICLONERANGE)
1098 const_iv (FIDEDUPERANGE)
1099
1100 const_iv (FS_IOC_GETFLAGS)
1101 const_iv (FS_IOC_SETFLAGS)
1102 const_iv (FS_IOC_GETVERSION)
1103 const_iv (FS_IOC_SETVERSION)
1104 const_iv (FS_IOC_FIEMAP)
1105 const_iv (FS_IOC_FSGETXATTR)
1106 const_iv (FS_IOC_FSSETXATTR)
1107 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1108 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1109 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1110
1111 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1112
1113 const_iv (FS_SECRM_FL)
1114 const_iv (FS_UNRM_FL)
1115 const_iv (FS_COMPR_FL)
1116 const_iv (FS_SYNC_FL)
1117 const_iv (FS_IMMUTABLE_FL)
1118 const_iv (FS_APPEND_FL)
1119 const_iv (FS_NODUMP_FL)
1120 const_iv (FS_NOATIME_FL)
1121 const_iv (FS_DIRTY_FL)
1122 const_iv (FS_COMPRBLK_FL)
1123 const_iv (FS_NOCOMP_FL)
1124 const_iv (FS_ENCRYPT_FL)
1125 const_iv (FS_BTREE_FL)
1126 const_iv (FS_INDEX_FL)
1127 const_iv (FS_JOURNAL_DATA_FL)
1128 const_iv (FS_NOTAIL_FL)
1129 const_iv (FS_DIRSYNC_FL)
1130 const_iv (FS_TOPDIR_FL)
1131 const_iv (FS_FL_USER_MODIFIABLE)
1132
1133 const_iv (FS_XFLAG_REALTIME)
1134 const_iv (FS_XFLAG_PREALLOC)
1135 const_iv (FS_XFLAG_IMMUTABLE)
1136 const_iv (FS_XFLAG_APPEND)
1137 const_iv (FS_XFLAG_SYNC)
1138 const_iv (FS_XFLAG_NOATIME)
1139 const_iv (FS_XFLAG_NODUMP)
1140 const_iv (FS_XFLAG_RTINHERIT)
1141 const_iv (FS_XFLAG_PROJINHERIT)
1142 const_iv (FS_XFLAG_NOSYMLINKS)
1143 const_iv (FS_XFLAG_EXTSIZE)
1144 const_iv (FS_XFLAG_EXTSZINHERIT)
1145 const_iv (FS_XFLAG_NODEFRAG)
1146 const_iv (FS_XFLAG_FILESTREAM)
1147 const_iv (FS_XFLAG_DAX)
1148 const_iv (FS_XFLAG_HASATTR)
1149
1150 const_iv (FIEMAP_FLAG_SYNC)
1151 const_iv (FIEMAP_FLAG_XATTR)
1152 const_iv (FIEMAP_FLAGS_COMPAT)
1153 const_iv (FIEMAP_EXTENT_LAST)
1154 const_iv (FIEMAP_EXTENT_UNKNOWN)
1155 const_iv (FIEMAP_EXTENT_DELALLOC)
1156 const_iv (FIEMAP_EXTENT_ENCODED)
1157 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1158 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1159 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1160 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1161 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1162 const_iv (FIEMAP_EXTENT_MERGED)
1163 const_iv (FIEMAP_EXTENT_SHARED)
1164
1165 const_iv (SPLICE_F_MOVE)
1166 const_iv (SPLICE_F_NONBLOCK)
1167 const_iv (SPLICE_F_MORE)
1168 const_iv (SPLICE_F_GIFT)
1169
1170 const_iv (EFD_CLOEXEC)
1171 const_iv (EFD_NONBLOCK)
1172 const_iv (EFD_SEMAPHORE)
1173
1174 /* these are libeio constants, and are independent of gendef0 */
1175 const_eio (SEEK_SET)
1176 const_eio (SEEK_CUR)
1177 const_eio (SEEK_END)
1178
765 const_iv (MCL_FUTURE) 1179 const_eio (MCL_FUTURE)
766 const_iv (MCL_CURRENT) 1180 const_eio (MCL_CURRENT)
767 1181
768 const_eio (MS_ASYNC) 1182 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE) 1183 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC) 1184 const_eio (MS_SYNC)
771 1185
772 const_eio (MT_MODIFY) 1186 const_eio (MT_MODIFY)
773 1187
774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1188 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775 const_eio (SYNC_FILE_RANGE_WRITE) 1189 const_eio (SYNC_FILE_RANGE_WRITE)
776 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1190 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1191
1192 const_eio (FALLOC_FL_KEEP_SIZE)
1193 const_eio (FALLOC_FL_PUNCH_HOLE)
1194 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1195 const_eio (FALLOC_FL_ZERO_RANGE)
1196 const_eio (FALLOC_FL_INSERT_RANGE)
1197 const_eio (FALLOC_FL_UNSHARE_RANGE)
1198
1199 const_eio (RENAME_NOREPLACE)
1200 const_eio (RENAME_EXCHANGE)
1201 const_eio (RENAME_WHITEOUT)
777 1202
778 const_eio (READDIR_DENTS) 1203 const_eio (READDIR_DENTS)
779 const_eio (READDIR_DIRS_FIRST) 1204 const_eio (READDIR_DIRS_FIRST)
780 const_eio (READDIR_STAT_ORDER) 1205 const_eio (READDIR_STAT_ORDER)
781 const_eio (READDIR_FOUND_UNKNOWN) 1206 const_eio (READDIR_FOUND_UNKNOWN)
… …
792 }; 1217 };
793 1218
794 aio_stash = gv_stashpv ("IO::AIO" , 1); 1219 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1220 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1221 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1222 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797 1223
798 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1224 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)); 1225 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800 1226
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1227 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802 1228
803 create_respipe (); 1229 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} 1230}
811 1231
812void 1232void
1233reinit ()
1234 PROTOTYPE:
1235
1236void
813max_poll_reqs (int nreqs) 1237max_poll_reqs (unsigned int nreqs)
814 PROTOTYPE: $ 1238 PROTOTYPE: $
815 CODE: 1239 CODE:
816 eio_set_max_poll_reqs (nreqs); 1240 eio_set_max_poll_reqs (nreqs);
817 1241
818void 1242void
… …
820 PROTOTYPE: $ 1244 PROTOTYPE: $
821 CODE: 1245 CODE:
822 eio_set_max_poll_time (nseconds); 1246 eio_set_max_poll_time (nseconds);
823 1247
824void 1248void
825min_parallel (int nthreads) 1249min_parallel (unsigned int nthreads)
826 PROTOTYPE: $ 1250 PROTOTYPE: $
827 CODE: 1251 CODE:
828 eio_set_min_parallel (nthreads); 1252 eio_set_min_parallel (nthreads);
829 1253
830void 1254void
831max_parallel (int nthreads) 1255max_parallel (unsigned int nthreads)
832 PROTOTYPE: $ 1256 PROTOTYPE: $
833 CODE: 1257 CODE:
834 eio_set_max_parallel (nthreads); 1258 eio_set_max_parallel (nthreads);
835 1259
836void 1260void
837max_idle (int nthreads) 1261max_idle (unsigned int nthreads)
838 PROTOTYPE: $ 1262 PROTOTYPE: $
839 CODE: 1263 CODE:
840 eio_set_max_idle (nthreads); 1264 eio_set_max_idle (nthreads);
841 1265
842void 1266void
1267idle_timeout (unsigned int seconds)
1268 PROTOTYPE: $
1269 CODE:
1270 eio_set_idle_timeout (seconds);
1271
1272void
843max_outstanding (int maxreqs) 1273max_outstanding (unsigned int maxreqs)
844 PROTOTYPE: $ 1274 PROTOTYPE: $
845 CODE: 1275 CODE:
846 max_outstanding = maxreqs; 1276 max_outstanding = maxreqs;
847 1277
848void 1278void
849aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1279aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$;$
851 PPCODE: 1280 PPCODE:
852{ 1281{
853 dREQ; 1282 dREQ;
854 1283
1284 req->type = EIO_WD_OPEN;
1285 req_set_path1 (req, pathname);
1286
1287 REQ_SEND;
1288}
1289
1290void
1291aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1292 PPCODE:
1293{
1294 dREQ;
1295
855 req->type = EIO_OPEN; 1296 req->type = EIO_OPEN;
856 req->sv1 = newSVsv (pathname); 1297 req_set_path1 (req, pathname);
857 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 req->int1 = flags; 1298 req->int1 = flags;
859 req->int2 = mode; 1299 req->int2 = mode;
860 1300
861 REQ_SEND; 1301 REQ_SEND;
862} 1302}
863 1303
864void 1304void
865aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1305aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
866 PROTOTYPE: $;$
867 ALIAS: 1306 ALIAS:
868 aio_fsync = EIO_FSYNC 1307 aio_fsync = EIO_FSYNC
869 aio_fdatasync = EIO_FDATASYNC 1308 aio_fdatasync = EIO_FDATASYNC
1309 aio_syncfs = EIO_SYNCFS
870 PPCODE: 1310 PPCODE:
871{ 1311{
872 int fd = s_fileno_croak (fh, 0); 1312 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1313 dREQ;
874 1314
875 req->type = ix; 1315 req->type = ix;
876 req->sv1 = newSVsv (fh); 1316 req->sv1 = newSVsv (fh);
877 req->int1 = fd; 1317 req->int1 = fd;
878 1318
879 REQ_SEND (req); 1319 REQ_SEND;
880} 1320}
881 1321
882void 1322void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1323aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE: 1324 PPCODE:
886{ 1325{
887 int fd = s_fileno_croak (fh, 0); 1326 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1327 dREQ;
889 1328
890 req->type = EIO_SYNC_FILE_RANGE; 1329 req->type = EIO_SYNC_FILE_RANGE;
891 req->sv1 = newSVsv (fh); 1330 req->sv1 = newSVsv (fh);
892 req->int1 = fd; 1331 req->int1 = fd;
893 req->offs = offset; 1332 req->offs = offset;
894 req->size = nbytes; 1333 req->size = nbytes;
895 req->int2 = flags; 1334 req->int2 = flags;
896 1335
897 REQ_SEND (req); 1336 REQ_SEND;
898} 1337}
899 1338
900void 1339void
901aio_close (SV *fh, SV *callback=&PL_sv_undef) 1340aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
902 PROTOTYPE: $;$
903 PPCODE: 1341 PPCODE:
904{ 1342{
905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0); 1343 int fd = s_fileno_croak (fh, 0);
907 dREQ; 1344 dREQ;
908 1345
909 if (close_pipe < 0) 1346 req->type = EIO_FALLOCATE;
1347 req->sv1 = newSVsv (fh);
1348 req->int1 = fd;
1349 req->int2 = mode;
1350 req->offs = offset;
1351 req->size = len;
1352
1353 REQ_SEND;
1354}
1355
1356void
1357aio_close (SV *fh, SV *callback = &PL_sv_undef)
1358 PPCODE:
1359{
1360 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1361 int fd = s_fileno_croak (fh, 0);
1362 dREQ;
1363
1364 if (expect_false (close_fd < 0))
910 { 1365 {
911 int pipefd [2]; 1366 int pipefd [2];
912 1367
1368 if (
1369#ifdef _WIN32
1370 _pipe (pipefd, 1, _O_BINARY) < 0
1371#else
913 if (pipe (pipefd) < 0 1372 pipe (pipefd) < 0
914 || close (pipefd [1]) < 0
915 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1373 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1374#endif
1375 || close (pipefd [1]) < 0
1376 )
916 abort (); /*D*/ 1377 abort (); /*D*/
917 1378
918 close_pipe = pipefd [0]; 1379 close_fd = pipefd [0];
919 } 1380 }
920 1381
921 req->type = EIO_DUP2; 1382 req->type = EIO_DUP2;
922 req->int1 = close_pipe; 1383 req->int1 = close_fd;
923 req->sv2 = newSVsv (fh); 1384 req->sv2 = newSVsv (fh);
924 req->int2 = fd; 1385 req->int2 = fd;
925 1386
926 REQ_SEND (req); 1387 REQ_SEND;
927} 1388}
928 1389
929void 1390void
1391aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1392 PPCODE:
1393{
1394 int fd = s_fileno_croak (fh, 0);
1395 dREQ;
1396
1397 req->type = EIO_SEEK;
1398 req->sv1 = newSVsv (fh);
1399 req->int1 = fd;
1400 req->offs = SvVAL64 (offset);
1401 req->int2 = whence;
1402
1403 REQ_SEND;
1404}
1405
1406void
930aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1407aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
931 ALIAS: 1408 ALIAS:
932 aio_read = EIO_READ 1409 aio_read = EIO_READ
933 aio_write = EIO_WRITE 1410 aio_write = EIO_WRITE
934 PROTOTYPE: $$$$$;$
935 PPCODE: 1411 PPCODE:
936{ 1412{
937 STRLEN svlen; 1413 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1414 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939 char *svptr = SvPVbyte (data, svlen); 1415 char *svptr = SvPVbyte (data, svlen);
… …
952 len = svlen - dataoffset; 1428 len = svlen - dataoffset;
953 } 1429 }
954 else 1430 else
955 { 1431 {
956 /* read: check type and grow scalar as necessary */ 1432 /* read: check type and grow scalar as necessary */
957 SvUPGRADE (data, SVt_PV); 1433 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
958 svptr = SvGROW (data, len + dataoffset + 1); 1434 svptr = sv_grow (data, len + dataoffset + 1);
1435 else if (SvCUR (data) < len + dataoffset)
1436 croak ("length + dataoffset outside of scalar, and cannot grow");
959 } 1437 }
960 1438
961 { 1439 {
962 dREQ; 1440 dREQ;
963 1441
… …
979 REQ_SEND; 1457 REQ_SEND;
980 } 1458 }
981} 1459}
982 1460
983void 1461void
984aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1462aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
985 PROTOTYPE: $$;$ 1463 ALIAS:
1464 aio_ioctl = EIO_IOCTL
1465 aio_fcntl = EIO_FCNTL
986 PPCODE: 1466 PPCODE:
987{ 1467{
988 SV *data; 1468 int fd = s_fileno_croak (fh, 0);
1469 char *svptr;
1470
1471 if (SvPOK (arg) || !SvNIOK (arg))
1472 {
1473 STRLEN svlen;
1474 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1475#ifdef IOCPARM_LEN
1476 STRLEN need = IOCPARM_LEN (request);
1477#else
1478 STRLEN need = 256;
1479#endif
1480
1481 if (svlen < need)
1482 svptr = SvGROW (arg, need);
1483 }
1484 else
1485 svptr = (char *)SvIV (arg);
1486
1487 {
1488 dREQ;
1489
1490 req->type = ix;
1491 req->sv1 = newSVsv (fh);
1492 req->int1 = fd;
1493 req->int2 = (long)request;
1494 req->sv2 = SvREFCNT_inc (arg);
1495 req->ptr2 = svptr;
1496
1497 REQ_SEND;
1498 }
1499}
1500
1501void
1502aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1503 ALIAS:
1504 aio_readlink = EIO_READLINK
1505 aio_realpath = EIO_REALPATH
1506 PPCODE:
1507{
989 dREQ; 1508 dREQ;
990 1509
991 req->type = EIO_READLINK; 1510 req->type = ix;
992 req->sv1 = newSVsv (path); 1511 req_set_path1 (req, pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 1512
995 REQ_SEND; 1513 REQ_SEND;
996} 1514}
997 1515
998void 1516void
999aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1517aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1000 PROTOTYPE: $$$$;$
1001 PPCODE: 1518 PPCODE:
1002{ 1519{
1003 int ifd = s_fileno_croak (in_fh , 0); 1520 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1521 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1522 dREQ;
1006 1523
1007 req->type = EIO_SENDFILE; 1524 req->type = EIO_SENDFILE;
1008 req->sv1 = newSVsv (out_fh); 1525 req->sv1 = newSVsv (out_fh);
1009 req->int1 = ofd; 1526 req->int1 = ofd;
… …
1014 1531
1015 REQ_SEND; 1532 REQ_SEND;
1016} 1533}
1017 1534
1018void 1535void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1536aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020 PROTOTYPE: $$$;$
1021 PPCODE: 1537 PPCODE:
1022{ 1538{
1023 int fd = s_fileno_croak (fh, 0); 1539 int fd = s_fileno_croak (fh, 0);
1024 dREQ; 1540 dREQ;
1025 1541
1026 req->type = EIO_READAHEAD; 1542 req->type = EIO_READAHEAD;
1027 req->sv1 = newSVsv (fh); 1543 req->sv1 = newSVsv (fh);
1028 req->int1 = fd; 1544 req->int1 = fd;
… …
1031 1547
1032 REQ_SEND; 1548 REQ_SEND;
1033} 1549}
1034 1550
1035void 1551void
1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1552aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1037 ALIAS: 1553 ALIAS:
1038 aio_stat = EIO_STAT 1554 aio_stat = EIO_STAT
1039 aio_lstat = EIO_LSTAT 1555 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS 1556 aio_statvfs = EIO_STATVFS
1041 PPCODE: 1557 PPCODE:
1042{ 1558{
1043 dREQ; 1559 dREQ;
1044 1560
1045 req->sv1 = newSVsv (fh_or_path); 1561 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 1562
1058 REQ_SEND; 1563 REQ_SEND;
1059} 1564}
1060 1565
1566UV
1567major (UV dev)
1568 ALIAS:
1569 minor = 1
1570 CODE:
1571 RETVAL = ix ? minor (dev) : major (dev);
1572 OUTPUT:
1573 RETVAL
1574
1575UV
1576makedev (UV maj, UV min)
1577 CODE:
1578 RETVAL = makedev (maj, min);
1579 OUTPUT:
1580 RETVAL
1581
1061void 1582void
1062aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1583aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1063 PPCODE: 1584 PPCODE:
1064{ 1585{
1065 dREQ; 1586 dREQ;
1066 1587
1067 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1588 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1589 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069 req->sv1 = newSVsv (fh_or_path); 1590 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 1591
1082 REQ_SEND; 1592 REQ_SEND;
1083} 1593}
1084 1594
1085void 1595void
1086aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1596aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1087 PPCODE: 1597 PPCODE:
1088{ 1598{
1089 dREQ; 1599 dREQ;
1090 1600
1091 req->sv1 = newSVsv (fh_or_path);
1092 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1601 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093 1602 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 1603
1105 REQ_SEND; 1604 REQ_SEND;
1106} 1605}
1107 1606
1108void 1607void
1109aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1608aio_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: 1609 PPCODE:
1114{ 1610{
1115 dREQ; 1611 dREQ;
1116 1612
1117 req->int2 = mode; 1613 req->int2 = mode;
1118 req->sv1 = newSVsv (fh_or_path); 1614 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 1615
1131 REQ_SEND; 1616 REQ_SEND;
1132} 1617}
1133 1618
1134void 1619void
1135aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1620aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1136 PPCODE: 1621 PPCODE:
1137{ 1622{
1138 dREQ; 1623 dREQ;
1139 1624
1140 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1625 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1626 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142 req->sv1 = newSVsv (fh_or_path); 1627 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 1628
1155 REQ_SEND; 1629 REQ_SEND;
1156} 1630}
1157 1631
1158void 1632void
1159aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1633aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1634 PPCODE:
1161{ 1635{
1162 dREQ; 1636 dREQ;
1163 1637
1164 req->type = EIO_READDIR; 1638 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; 1639 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168 1640
1169 if (flags & EIO_READDIR_DENTS) 1641 if (flags & EIO_READDIR_DENTS)
1170 req->int1 |= EIO_READDIR_CUSTOM2; 1642 req->int1 |= EIO_READDIR_CUSTOM2;
1171 1643
1644 req_set_path1 (req, pathname);
1645
1172 REQ_SEND; 1646 REQ_SEND;
1173} 1647}
1174 1648
1175void 1649void
1650aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1651 PPCODE:
1652{
1653 dREQ;
1654
1655 req->type = EIO_MKDIR;
1656 req->int2 = mode;
1657 req_set_path1 (req, pathname);
1658
1659 REQ_SEND;
1660}
1661
1662void
1176aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1663aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1177 ALIAS: 1664 ALIAS:
1178 aio_unlink = EIO_UNLINK 1665 aio_unlink = EIO_UNLINK
1179 aio_rmdir = EIO_RMDIR 1666 aio_rmdir = EIO_RMDIR
1180 aio_readdir = EIO_READDIR 1667 aio_readdir = EIO_READDIR
1181 PPCODE: 1668 PPCODE:
1182{ 1669{
1183 dREQ; 1670 dREQ;
1184 1671
1185 req->type = ix; 1672 req->type = ix;
1186 req->sv1 = newSVsv (pathname); 1673 req_set_path1 (req, pathname);
1187 req->ptr1 = SvPVbyte_nolen (req->sv1);
1188 1674
1189 REQ_SEND; 1675 REQ_SEND;
1190} 1676}
1191 1677
1192void 1678void
1193aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1679aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1194 ALIAS: 1680 ALIAS:
1195 aio_link = EIO_LINK 1681 aio_link = EIO_LINK
1196 aio_symlink = EIO_SYMLINK 1682 aio_symlink = EIO_SYMLINK
1197 aio_rename = EIO_RENAME 1683 aio_rename = EIO_RENAME
1198 PPCODE: 1684 PPCODE:
1199{ 1685{
1686 eio_wd wd2 = 0;
1200 dREQ; 1687 dREQ;
1201 1688
1202 req->type = ix; 1689 req->type = ix;
1203 req->sv1 = newSVsv (oldpath); 1690 req_set_path1 (req, oldpath);
1204 req->ptr1 = SvPVbyte_nolen (req->sv1); 1691 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205 req->sv2 = newSVsv (newpath); 1692 req->int3 = (long)wd2;
1206 req->ptr2 = SvPVbyte_nolen (req->sv2);
1207 1693
1208 REQ_SEND; 1694 REQ_SEND;
1209} 1695}
1210 1696
1211void 1697void
1698aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1699 PPCODE:
1700{
1701 eio_wd wd2 = 0;
1702 dREQ;
1703
1704 req->type = EIO_RENAME;
1705 req_set_path1 (req, oldpath);
1706 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1707 req->int2 = flags;
1708 req->int3 = (long)wd2;
1709
1710 REQ_SEND;
1711}
1712
1713void
1212aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1714aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1213 PPCODE: 1715 PPCODE:
1214{ 1716{
1215 dREQ; 1717 dREQ;
1216 1718
1217 req->type = EIO_MKNOD; 1719 req->type = EIO_MKNOD;
1218 req->sv1 = newSVsv (pathname);
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 req->int2 = (mode_t)mode; 1720 req->int2 = (mode_t)mode;
1221 req->offs = dev; 1721 req->offs = dev;
1722 req_set_path1 (req, pathname);
1222 1723
1223 REQ_SEND; 1724 REQ_SEND;
1224} 1725}
1225 1726
1226void 1727void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1728aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1228 ALIAS: 1729 ALIAS:
1229 aio_mtouch = EIO_MTOUCH 1730 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC 1731 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE: 1732 PPCODE:
1233{ 1733{
1234 STRLEN svlen; 1734 STRLEN svlen;
1735 char *svptr = SvPVbyte (data, svlen);
1235 UV len = SvUV (length); 1736 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen); 1737
1738 if (flags < 0)
1739 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1237 1740
1238 if (offset < 0) 1741 if (offset < 0)
1239 offset += svlen; 1742 offset += svlen;
1240 1743
1241 if (offset < 0 || offset > svlen) 1744 if (offset < 0 || offset > svlen)
… …
1246 1749
1247 { 1750 {
1248 dREQ; 1751 dREQ;
1249 1752
1250 req->type = ix; 1753 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data); 1754 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset; 1755 req->ptr2 = (char *)svptr + offset;
1756 req->size = len;
1254 req->int1 = flags; 1757 req->int1 = flags;
1255 1758
1256 REQ_SEND; 1759 REQ_SEND;
1257 } 1760 }
1258} 1761}
1259 1762
1260void 1763void
1764aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1765 PPCODE:
1766{
1767 STRLEN svlen;
1768 char *svptr = SvPVbyte (data, svlen);
1769 UV len = SvUV (length);
1770
1771 if (offset < 0)
1772 offset += svlen;
1773
1774 if (offset < 0 || offset > svlen)
1775 croak ("offset outside of scalar");
1776
1777 if (!SvOK (length) || len + offset > svlen)
1778 len = svlen - offset;
1779
1780 {
1781 dREQ;
1782
1783 req->type = EIO_MLOCK;
1784 req->sv2 = SvREFCNT_inc (data);
1785 req->ptr2 = (char *)svptr + offset;
1786 req->size = len;
1787
1788 REQ_SEND;
1789 }
1790}
1791
1792void
1793aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1794 PPCODE:
1795{
1796 dREQ;
1797
1798 req->type = EIO_MLOCKALL;
1799 req->int1 = flags;
1800
1801 REQ_SEND;
1802}
1803
1804void
1805aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1806 PPCODE:
1807{
1808 int fd = s_fileno_croak (fh, 0);
1809 dREQ;
1810
1811 req->type = EIO_CUSTOM;
1812 req->sv1 = newSVsv (fh);
1813 req->int1 = fd;
1814
1815 req->feed = fiemap;
1816#if HAVE_FIEMAP
1817 /* keep our fingers crossed that the next two types are 64 bit */
1818 req->offs = start;
1819 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1820 req->int2 = flags;
1821 req->int3 = SvOK (count) ? SvIV (count) : -1;
1822#endif
1823
1824 REQ_SEND;
1825}
1826
1827void
1828aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1829 PPCODE:
1830{
1831 char *svptr = 0;
1832
1833 sv_clear_foreign (data);
1834
1835 if (length) /* known length, directly read into scalar */
1836 {
1837 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1838 svptr = sv_grow (data, length + 1);
1839 else if (SvCUR (data) < length)
1840 croak ("length outside of scalar, and cannot grow");
1841 else
1842 svptr = SvPVbyte_nolen (data);
1843 }
1844
1845 {
1846 dREQ;
1847
1848 req->type = EIO_SLURP;
1849 req_set_path1 (req, pathname);
1850 req->offs = offset;
1851 req->size = length;
1852 req->sv2 = SvREFCNT_inc (data);
1853 req->ptr2 = svptr;
1854
1855 if (!SvREADONLY (data))
1856 {
1857 SvREADONLY_on (data);
1858 req->flags |= FLAG_SV2_RO_OFF;
1859 }
1860
1861 REQ_SEND;
1862 }
1863}
1864
1865void
1261aio_busy (double delay, SV *callback=&PL_sv_undef) 1866aio_busy (double delay, SV *callback = &PL_sv_undef)
1262 PPCODE: 1867 PPCODE:
1263{ 1868{
1264 dREQ; 1869 dREQ;
1265 1870
1266 req->type = EIO_BUSY; 1871 req->type = EIO_BUSY;
… …
1268 1873
1269 REQ_SEND; 1874 REQ_SEND;
1270} 1875}
1271 1876
1272void 1877void
1273aio_group (SV *callback=&PL_sv_undef) 1878aio_group (SV *callback = &PL_sv_undef)
1274 PROTOTYPE: ;$
1275 PPCODE: 1879 PPCODE:
1276{ 1880{
1277 dREQ; 1881 dREQ;
1278 1882
1279 req->type = EIO_GROUP; 1883 req->type = EIO_GROUP;
1280 1884
1885 PUTBACK;
1281 req_submit (req); 1886 req_submit (req);
1887 SPAGAIN;
1888
1282 XPUSHs (req_sv (req, aio_grp_stash)); 1889 XPUSHs (req_sv (req, aio_grp_stash));
1283} 1890}
1284 1891
1285void 1892void
1286aio_nop (SV *callback=&PL_sv_undef) 1893aio_nop (SV *callback = &PL_sv_undef)
1287 ALIAS: 1894 ALIAS:
1288 aio_nop = EIO_NOP 1895 aio_nop = EIO_NOP
1289 aio_sync = EIO_SYNC 1896 aio_sync = EIO_SYNC
1290 PPCODE: 1897 PPCODE:
1291{ 1898{
… …
1295 1902
1296 REQ_SEND; 1903 REQ_SEND;
1297} 1904}
1298 1905
1299int 1906int
1300aioreq_pri (int pri = 0) 1907aioreq_pri (int pri = NO_INIT)
1301 PROTOTYPE: ;$
1302 CODE: 1908 CODE:
1303 RETVAL = next_pri; 1909 RETVAL = next_pri;
1304 if (items > 0) 1910 if (items > 0)
1305 { 1911 {
1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1912 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1924 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319 next_pri = nice; 1925 next_pri = nice;
1320 1926
1321void 1927void
1322flush () 1928flush ()
1323 PROTOTYPE:
1324 CODE: 1929 CODE:
1325 while (eio_nreqs ()) 1930 while (eio_nreqs ())
1326 { 1931 {
1327 poll_wait (); 1932 poll_wait ();
1328 poll_cb (); 1933 poll_cb ();
1329 } 1934 }
1330 1935
1331int 1936int
1332poll() 1937poll ()
1333 PROTOTYPE:
1334 CODE: 1938 CODE:
1335 poll_wait (); 1939 poll_wait ();
1336 RETVAL = poll_cb (); 1940 RETVAL = poll_cb ();
1337 OUTPUT: 1941 OUTPUT:
1338 RETVAL 1942 RETVAL
1339 1943
1340int 1944int
1341poll_fileno() 1945poll_fileno ()
1342 PROTOTYPE:
1343 CODE: 1946 CODE:
1344 RETVAL = s_epipe_fd (&respipe); 1947 RETVAL = s_epipe_fd (&respipe);
1345 OUTPUT: 1948 OUTPUT:
1346 RETVAL 1949 RETVAL
1347 1950
1348int 1951int
1349poll_cb(...) 1952poll_cb (...)
1350 PROTOTYPE: 1953 PROTOTYPE:
1351 CODE: 1954 CODE:
1352 RETVAL = poll_cb (); 1955 RETVAL = poll_cb ();
1353 OUTPUT: 1956 OUTPUT:
1354 RETVAL 1957 RETVAL
1355 1958
1356void 1959void
1357poll_wait() 1960poll_wait ()
1358 PROTOTYPE:
1359 CODE: 1961 CODE:
1360 poll_wait (); 1962 poll_wait ();
1361 1963
1362int 1964int
1363nreqs() 1965nreqs ()
1364 PROTOTYPE:
1365 CODE: 1966 CODE:
1366 RETVAL = eio_nreqs (); 1967 RETVAL = eio_nreqs ();
1367 OUTPUT: 1968 OUTPUT:
1368 RETVAL 1969 RETVAL
1369 1970
1370int 1971int
1371nready() 1972nready ()
1372 PROTOTYPE:
1373 CODE: 1973 CODE:
1374 RETVAL = eio_nready (); 1974 RETVAL = eio_nready ();
1375 OUTPUT: 1975 OUTPUT:
1376 RETVAL 1976 RETVAL
1377 1977
1378int 1978int
1379npending() 1979npending ()
1380 PROTOTYPE:
1381 CODE: 1980 CODE:
1382 RETVAL = eio_npending (); 1981 RETVAL = eio_npending ();
1383 OUTPUT: 1982 OUTPUT:
1384 RETVAL 1983 RETVAL
1385 1984
1386int 1985int
1387nthreads() 1986nthreads ()
1388 PROTOTYPE:
1389 CODE: 1987 CODE:
1390 RETVAL = eio_nthreads (); 1988 RETVAL = eio_nthreads ();
1391 OUTPUT: 1989 OUTPUT:
1392 RETVAL 1990 RETVAL
1393 1991
1394int 1992int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1993fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE: 1994 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice); 1995 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT: 1996 OUTPUT:
1400 RETVAL 1997 RETVAL
1401 1998
1402ssize_t 1999IV
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2000sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE: 2001 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2002 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT: 2003 OUTPUT:
1408 RETVAL 2004 RETVAL
1409 2005
1410void 2006void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2007mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE: 2008 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC); 2009 sv_clear_foreign (scalar);
1415{ 2010{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2011 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2012 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1418 if (addr == (void *)-1) 2013 if (addr == (void *)-1)
1419 XSRETURN_NO; 2014 XSRETURN_NO;
1420 2015
1421 sv_force_normal (scalar); 2016 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1422
1423 /* we store the length in mg_obj, as namlen is I32 :/ */
1424 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1425 ->mg_obj = (SV *)length;
1426
1427 SvUPGRADE (scalar, SVt_PV); /* nop... */
1428 2017
1429 if (!(prot & PROT_WRITE)) 2018 if (!(prot & PROT_WRITE))
1430 SvREADONLY_on (scalar); 2019 SvREADONLY_on (scalar);
1431 2020
1432 if (SvLEN (scalar))
1433 Safefree (SvPVX (scalar));
1434
1435 SvPVX (scalar) = (char *)addr;
1436 SvCUR_set (scalar, length);
1437 SvLEN_set (scalar, 0);
1438 SvPOK_only (scalar);
1439
1440 XSRETURN_YES; 2021 XSRETURN_YES;
1441} 2022}
1442 2023
1443void 2024void
1444munmap (SV *scalar) 2025munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE: 2026 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC); 2027 sv_clear_foreign (scalar);
1448 2028
1449int 2029int
1450madvise (SV *scalar, off_t offset, off_t length, IV advice) 2030madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1451 PROTOTYPE: $$$$ 2031 ALIAS:
2032 mprotect = 1
1452 CODE: 2033 CODE:
1453{ 2034{
1454 char *addr = SvPV_nolen (scalar) + offset; 2035 STRLEN svlen;
2036 void *addr = SvPVbyte (scalar, svlen);
2037 STRLEN len = SvUV (length);
1455 2038
1456 if (!SvOK (ST (2))) 2039 if (offset < 0)
2040 offset += svlen;
2041
2042 if (offset < 0 || offset > svlen)
2043 croak ("offset outside of scalar");
2044
2045 if (!SvOK (length) || len + offset > svlen)
1457 length = SvCUR (scalar) - offset; 2046 len = svlen - offset;
1458 2047
1459 if (addr >= SvEND (scalar) || length <= 0) 2048 addr = (void *)(((intptr_t)addr) + offset);
1460 XSRETURN_EMPTY; 2049 eio_page_align (&addr, &len);
1461 2050
2051 switch (ix)
2052 {
1462 RETVAL = posix_madvise (addr, length, advice); 2053 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2054 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2055 }
1463} 2056}
1464 OUTPUT: 2057 OUTPUT:
1465 RETVAL 2058 RETVAL
1466 2059
1467int 2060int
1468mlockall (int flags) 2061munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1469 PROTOTYPE: $
1470 CODE: 2062 CODE:
2063{
2064 STRLEN svlen;
2065 void *addr = SvPVbyte (scalar, svlen);
2066 size_t len = SvUV (length);
2067
2068 if (offset < 0)
2069 offset += svlen;
2070
2071 if (offset < 0 || offset > svlen)
2072 croak ("offset outside of scalar");
2073
2074 if (!SvOK (length) || len + offset > svlen)
2075 len = svlen - offset;
2076
2077 addr = (void *)(((intptr_t)addr) + offset);
2078 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2079#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2080 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 2081#else
1478 RETVAL = -1; 2082 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2083#endif
2084}
1481 OUTPUT: 2085 OUTPUT:
1482 RETVAL 2086 RETVAL
1483 2087
1484int 2088int
1485munlockall () 2089munlockall ()
1486 PROTOTYPE:
1487 CODE: 2090 CODE:
1488#if _POSIX_MEMLOCK 2091#if _POSIX_MEMLOCK
1489 munlockall (); 2092 munlockall ();
1490#else 2093#else
1491 RETVAL = -1; 2094 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2095#endif
1494 OUTPUT: 2096 OUTPUT:
1495 RETVAL 2097 RETVAL
2098
2099int
2100splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2101 CODE:
2102{
2103#if HAVE_LINUX_SPLICE
2104 loff_t off_in_, off_out_;
2105 RETVAL = splice (
2106 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2107 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2108 length, flags
2109 );
2110#else
2111 RETVAL = EIO_ENOSYS ();
2112#endif
2113}
2114 OUTPUT:
2115 RETVAL
2116
2117int
2118tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2119 CODE:
2120#if HAVE_LINUX_SPLICE
2121 RETVAL = tee (rfh, wfh, length, flags);
2122#else
2123 RETVAL = EIO_ENOSYS ();
2124#endif
2125 OUTPUT:
2126 RETVAL
2127
2128int
2129pipesize (aio_rfd rfh, int new_size = -1)
2130 PROTOTYPE: $;$
2131 CODE:
2132#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2133 if (new_size >= 0)
2134 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2135 else
2136 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2137#else
2138 errno = ENOSYS;
2139 RETVAL = -1;
2140#endif
2141 OUTPUT:
2142 RETVAL
2143
2144void
2145pipe2 (int flags = 0)
2146 PROTOTYPE: ;$
2147 PPCODE:
2148{
2149 int fd[2];
2150 int res;
2151
2152 if (flags)
2153#if HAVE_PIPE2
2154 res = pipe2 (fd, flags);
2155#else
2156 res = (errno = ENOSYS, -1);
2157#endif
2158 else
2159 res = pipe (fd);
2160
2161 if (!res)
2162 {
2163 EXTEND (SP, 2);
2164 PUSHs (newmortalFH (fd[0], O_RDONLY));
2165 PUSHs (newmortalFH (fd[1], O_WRONLY));
2166 }
2167}
2168
2169void
2170eventfd (unsigned int initval = 0, int flags = 0)
2171 PPCODE:
2172{
2173 int fd;
2174#if HAVE_EVENTFD
2175 fd = eventfd (initval, flags);
2176#else
2177 fd = (errno = ENOSYS, -1);
2178#endif
2179
2180 XPUSHs (newmortalFH (fd, O_RDWR));
2181}
2182
2183UV
2184get_fdlimit ()
2185 CODE:
2186#if HAVE_RLIMITS
2187 struct rlimit rl;
2188 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2189 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2190#endif
2191 XSRETURN_UNDEF;
2192 OUTPUT:
2193 RETVAL
2194
2195void
2196min_fdlimit (UV limit = 0x7fffffffU)
2197 CODE:
2198{
2199#if HAVE_RLIMITS
2200 struct rlimit rl;
2201 rlim_t orig_rlim_max;
2202 UV bit;
2203
2204 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2205 goto fail;
2206
2207 if (rl.rlim_cur == RLIM_INFINITY)
2208 XSRETURN_YES;
2209
2210 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2211
2212 if (rl.rlim_cur < limit)
2213 {
2214 rl.rlim_cur = limit;
2215
2216 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2217 rl.rlim_max = rl.rlim_cur;
2218 }
2219
2220 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2221 XSRETURN_YES;
2222
2223 if (errno == EPERM)
2224 {
2225 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2226 /* our limit overflows a system-wide limit */
2227 /* try an adaptive algorithm, but do not lower the hardlimit */
2228 rl.rlim_max = 0;
2229 for (bit = 0x40000000U; bit; bit >>= 1)
2230 {
2231 rl.rlim_max |= bit;
2232 rl.rlim_cur = rl.rlim_max;
2233
2234 /* nevr decrease the hard limit */
2235 if (rl.rlim_max < orig_rlim_max)
2236 break;
2237
2238 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2239 rl.rlim_max &= ~bit; /* too high, remove bit again */
2240 }
2241
2242 /* now, raise the soft limit to the max permitted */
2243 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2244 {
2245 rl.rlim_cur = rl.rlim_max;
2246 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2247 errno = EPERM;
2248 }
2249 }
2250#endif
2251 fail:
2252 XSRETURN_UNDEF;
2253}
1496 2254
1497void _on_next_submit (SV *cb) 2255void _on_next_submit (SV *cb)
1498 CODE: 2256 CODE:
1499 SvREFCNT_dec (on_next_submit); 2257 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2258 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2259
1502PROTOTYPES: DISABLE 2260PROTOTYPES: DISABLE
1503 2261
2262MODULE = IO::AIO PACKAGE = IO::AIO::WD
2263
2264BOOT:
2265{
2266 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2267 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2268}
2269
2270void
2271DESTROY (SV *self)
2272 CODE:
2273{
2274 aio_wd wd = SvAIO_WD (self);
2275#if HAVE_AT
2276 {
2277 SV *callback = &PL_sv_undef;
2278 dREQ; /* clobbers next_pri :/ */
2279 next_pri = req->pri; /* restore next_pri */
2280 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2281 req->type = EIO_WD_CLOSE;
2282 req->wd = wd;
2283 REQ_SEND;
2284 }
2285#else
2286 eio_wd_close_sync (wd);
2287#endif
2288}
2289
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2290MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2291
1506void 2292void
1507cancel (aio_req_ornot req) 2293cancel (aio_req_ornot req)
1508 CODE: 2294 CODE:
1509 eio_cancel (req); 2295 eio_cancel (req);
1510 2296
1511void 2297void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2298cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2299 PPCODE:
1514{ 2300{
1515 if (GIMME_V != G_VOID) 2301 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2302 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2303
1518 if (items > 1) 2304 if (items > 1)
1519 { 2305 {
1520 SV *cb_cv =get_cb (callback); 2306 SV *cb_cv = get_cb (callback);
1521 2307
1522 SvREFCNT_dec (req->callback); 2308 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2309 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2310 }
1525} 2311}
… …
1582limit (aio_req grp, int limit) 2368limit (aio_req grp, int limit)
1583 CODE: 2369 CODE:
1584 eio_grp_limit (grp, limit); 2370 eio_grp_limit (grp, limit);
1585 2371
1586void 2372void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2373feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2374 CODE:
1589{ 2375{
1590 SvREFCNT_dec (grp->sv2); 2376 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2377 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2378 grp->feed = aio_grp_feed;

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