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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.163 by root, Sun Jan 10 23:44:02 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#ifndef ST_NODEV 142#include "libeio/eio.c"
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175 143
176#ifndef MCL_CURRENT 144#if !HAVE_POSIX_FADVISE
177# define MCL_CURRENT 0 145# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178#endif 146#endif
179#ifndef MCL_FUTURE 147
180# define MCL_FUTURE 0 148#if !HAVE_POSIX_MADVISE
149# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181#endif 150#endif
182 151
183#ifndef MAP_ANONYMOUS 152#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 153# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 154# define MAP_ANONYMOUS MAP_ANON
186# else 155# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 156# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif 157# endif
189#endif 158#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205 159
206#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
207# define PAGESIZE sysconf (_SC_PAGESIZE) 175# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 176#endif
209 177
210static int req_invoke (eio_req *req); 178/*****************************************************************************/
211#define EIO_FINISH(req) req_invoke (req) 179
212static void req_destroy (eio_req *grp); 180#if !_POSIX_MAPPED_FILES
213#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/*****************************************************************************/
214 368
215enum { 369enum {
216 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 370 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217}; 371};
218 372
219#include "libeio/eio.c"
220
221typedef eio_req *aio_req; 373typedef eio_req *aio_req;
222typedef eio_req *aio_req_ornot; 374typedef eio_req *aio_req_ornot;
375typedef eio_wd aio_wd;
223 376
224static SV *on_next_submit; 377static SV *on_next_submit;
225static int next_pri = EIO_PRI_DEFAULT; 378static int next_pri = EIO_PRI_DEFAULT;
226static int max_outstanding; 379static int max_outstanding;
227 380
228static s_epipe respipe; 381static s_epipe respipe;
229 382
230static void req_destroy (aio_req req); 383static void req_destroy (aio_req req);
231static void req_cancel (aio_req req); 384static void req_cancel (aio_req req);
232 385
233static void want_poll (void) 386static void
387want_poll (void)
234{ 388{
235 /* write a dummy byte to the pipe so fh becomes ready */ 389 /* write a dummy byte to the pipe so fh becomes ready */
236 s_epipe_signal (&respipe); 390 s_epipe_signal (&respipe);
237} 391}
238 392
239static void done_poll (void) 393static void
394done_poll (void)
240{ 395{
241 /* read any signals sent by the worker threads */ 396 /* read any signals sent by the worker threads */
242 s_epipe_drain (&respipe); 397 s_epipe_drain (&respipe);
243} 398}
244 399
245/* must be called at most once */ 400/* must be called at most once */
401static SV *
246static SV *req_sv (aio_req req, HV *stash) 402req_sv (aio_req req, HV *stash)
247{ 403{
248 if (!req->self) 404 if (!req->self)
249 { 405 {
250 req->self = (SV *)newHV (); 406 req->self = (SV *)newHV ();
251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 407 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252 } 408 }
253 409
254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 410 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255} 411}
256 412
257static 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)
258{ 421{
259 MAGIC *mg; 422 MAGIC *mg;
260 423
261 if (!SvROK (sv) 424 if (!SvROK (sv)
425 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash 426 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash 427 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ"))) 428 && !sv_derived_from (sv, "IO::AIO::REQ")))
265 croak ("object of class IO::AIO::REQ expected"); 429 croak ("object of class IO::AIO::REQ expected");
266 430
267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 431 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268 432
269 return mg ? (aio_req)mg->mg_ptr : 0; 433 return mg ? (aio_req)mg->mg_ptr : 0;
270} 434}
271 435
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
272static void aio_grp_feed (aio_req grp) 473aio_grp_feed (aio_req grp)
273{ 474{
274 if (grp->sv2 && SvOK (grp->sv2)) 475 if (grp->sv2 && SvOK (grp->sv2))
275 { 476 {
276 dSP; 477 dSP;
277 478
… …
285 FREETMPS; 486 FREETMPS;
286 LEAVE; 487 LEAVE;
287 } 488 }
288} 489}
289 490
491static void
290static void req_submit (eio_req *req) 492req_submit (eio_req *req)
291{ 493{
292 eio_submit (req); 494 eio_submit (req);
293 495
294 if (expect_false (on_next_submit)) 496 if (expect_false (on_next_submit))
295 { 497 {
… …
302 PUTBACK; 504 PUTBACK;
303 call_sv (cb, G_DISCARD | G_EVAL); 505 call_sv (cb, G_DISCARD | G_EVAL);
304 } 506 }
305} 507}
306 508
509static int
307static int req_invoke (eio_req *req) 510req_invoke (eio_req *req)
308{ 511{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 512 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 513 SvREADONLY_off (req->sv2);
313 514
314 if (!EIO_CANCELLED (req) && req->callback) 515 if (!EIO_CANCELLED (req) && req->callback)
315 { 516 {
517 dSP;
518 static SV *sv_result_cache; /* caches the result integer SV */
519 SV *sv_result;
520
316 ENTER; 521 ENTER;
317 SAVETMPS; 522 SAVETMPS;
318 PUSHMARK (SP); 523 PUSHMARK (SP);
319 EXTEND (SP, 1); 524 EXTEND (SP, 1);
320 525
526 /* do not recreate the result IV from scratch each time */
527 if (expect_true (sv_result_cache))
528 {
529 sv_result = sv_result_cache; sv_result_cache = 0;
530 SvIV_set (sv_result, req->result);
531 SvIOK_only (sv_result);
532 }
533 else
534 {
535 sv_result = newSViv (req->result);
536 SvREADONLY_on (sv_result);
537 }
538
321 switch (req->type) 539 switch (req->type)
322 { 540 {
541 case EIO_WD_OPEN:
542 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
543 break;
544
323 case EIO_READDIR: 545 case EIO_READDIR:
324 { 546 {
325 SV *rv = &PL_sv_undef; 547 SV *rv = &PL_sv_undef;
326 548
327 if (req->result >= 0) 549 if (req->result >= 0)
… …
380 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))));
381 } 603 }
382 break; 604 break;
383 605
384 case EIO_OPEN: 606 case EIO_OPEN:
385 { 607 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
386 /* convert fd to fh */
387 SV *fh = &PL_sv_undef;
388
389 if (req->result >= 0)
390 {
391 GV *gv = (GV *)sv_newmortal ();
392 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
393 char sym [64];
394 int symlen;
395
396 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
397 gv_init (gv, aio_stash, sym, symlen, 0);
398
399 symlen = snprintf (
400 sym,
401 sizeof (sym),
402 "%s&=%d",
403 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
404 (int)req->result
405 );
406
407 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
408 fh = (SV *)gv;
409 }
410
411 PUSHs (fh);
412 }
413 break; 608 break;
414 609
415 case EIO_STATVFS: 610 case EIO_STATVFS:
416 case EIO_FSTATVFS: 611 case EIO_FSTATVFS:
417 { 612 {
418 SV *rv = &PL_sv_undef; 613 SV *rv = &PL_sv_undef;
419 614
615#ifndef _WIN32
420 if (req->result >= 0) 616 if (req->result >= 0)
421 { 617 {
422 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 618 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
423 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));
424 625
425 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 626 rv = sv_2mortal (newRV_noinc ((SV *)hv));
426 627
427 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);
428 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);
… …
430 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);
431 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);
432 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);
433 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);
434 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);
435 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 636 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
436 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);
437 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);
438 } 639 }
640#endif
439 641
440 PUSHs (rv); 642 PUSHs (rv);
441 } 643 }
442 644
443 break; 645 break;
… …
459 case EIO_NOP: 661 case EIO_NOP:
460 case EIO_BUSY: 662 case EIO_BUSY:
461 break; 663 break;
462 664
463 case EIO_READLINK: 665 case EIO_READLINK:
666 case EIO_REALPATH:
464 if (req->result > 0) 667 if (req->result > 0)
465 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 668 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
466 break; 669 break;
467 670
468 case EIO_STAT: 671 case EIO_STAT:
469 case EIO_LSTAT: 672 case EIO_LSTAT:
470 case EIO_FSTAT: 673 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 674 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
675
472 PL_laststatval = req->result; 676 if (!(PL_laststatval = req->result))
677 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 678 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 679
680 PUSHs (sv_result);
681 break;
682
683 case EIO_SEEK:
684 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
475 break; 685 break;
476 686
477 case EIO_READ: 687 case EIO_READ:
478 { 688 {
479 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));
480 *SvEND (req->sv2) = 0; 690 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 691 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 692 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 693 PUSHs (sv_result);
484 } 694 }
485 break; 695 break;
486 696
487 case EIO_DUP2: 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
761 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 762 if (req->result > 0)
489 req->result = 0; 763 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 764 /* FALLTHROUGH */
491 765
492 default: 766 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 767 PUSHs (sv_result);
494 break; 768 break;
495 } 769 }
496 770
497 errno = req->errorno; 771 errno = req->errorno;
498 772
499 PUTBACK; 773 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 774 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 SPAGAIN; 775 SPAGAIN;
502 776
777 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
778 SvREFCNT_dec (sv_result);
779 else
780 sv_result_cache = sv_result;
781
503 FREETMPS; 782 FREETMPS;
504 LEAVE; 783 LEAVE;
505 784
506 PUTBACK; 785 PUTBACK;
507 } 786 }
508 787
509 return !!SvTRUE (ERRSV); 788 return !!SvTRUE (ERRSV);
510} 789}
511 790
791static void
512static void req_destroy (aio_req req) 792req_destroy (aio_req req)
513{ 793{
514 if (req->self) 794 if (req->self)
515 { 795 {
516 sv_unmagic (req->self, PERL_MAGIC_ext); 796 sv_unmagic (req->self, PERL_MAGIC_ext);
517 SvREFCNT_dec (req->self); 797 SvREFCNT_dec (req->self);
518 } 798 }
519 799
520 SvREFCNT_dec (req->sv1); 800 SvREFCNT_dec (req->sv1);
521 SvREFCNT_dec (req->sv2); 801 SvREFCNT_dec (req->sv2);
802 SvREFCNT_dec (req->sv3);
803 SvREFCNT_dec (req->sv4);
522 SvREFCNT_dec (req->callback); 804 SvREFCNT_dec (req->callback);
523 805
524 Safefree (req); 806 free (req);
525} 807}
526 808
809static void
527static void req_cancel_subs (aio_req grp) 810req_cancel_subs (aio_req grp)
528{ 811{
529 aio_req sub;
530
531 if (grp->type != EIO_GROUP) 812 if (grp->type != EIO_GROUP)
532 return; 813 return;
533 814
534 SvREFCNT_dec (grp->sv2); 815 SvREFCNT_dec (grp->sv2);
535 grp->sv2 = 0; 816 grp->sv2 = 0;
536 817
537 eio_grp_cancel (grp); 818 eio_grp_cancel (grp);
538} 819}
539 820
540static void 821static void ecb_cold
541create_respipe (void) 822create_respipe (void)
542{ 823{
543 if (s_epipe_renew (&respipe)) 824 if (s_epipe_renew (&respipe))
544 croak ("IO::AIO: unable to initialize result pipe"); 825 croak ("IO::AIO: unable to initialize result pipe");
545} 826}
546 827
547static void poll_wait (void) 828static void
829poll_wait (void)
548{ 830{
549 while (eio_nreqs ()) 831 while (eio_nreqs ())
550 { 832 {
551 int size; 833 int size;
552 834
553 X_LOCK (reslock); 835 X_LOCK (EIO_POOL->reslock);
554 size = res_queue.size; 836 size = EIO_POOL->res_queue.size;
555 X_UNLOCK (reslock); 837 X_UNLOCK (EIO_POOL->reslock);
556 838
557 if (size) 839 if (size)
558 return; 840 return;
559 841
560 etp_maybe_start_thread (); 842 etp_maybe_start_thread (EIO_POOL);
561 843
562 s_epipe_wait (&respipe); 844 s_epipe_wait (&respipe);
563 } 845 }
564} 846}
565 847
566static int poll_cb (void) 848static int
849poll_cb (void)
567{ 850{
568 for (;;) 851 for (;;)
569 { 852 {
570 int res = eio_poll (); 853 int res = eio_poll ();
571 854
… …
577 860
578 poll_wait (); 861 poll_wait ();
579 } 862 }
580} 863}
581 864
582static void atfork_child (void) 865static void ecb_cold
866reinit (void)
583{ 867{
584 create_respipe (); 868 create_respipe ();
585}
586 869
587/*****************************************************************************/ 870 if (eio_init (want_poll, done_poll) < 0)
588 871 croak ("IO::AIO: unable to initialise eio library");
589#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif
593
594#define MMAP_MAGIC PERL_MAGIC_ext
595
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{
599 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno;
602
603 mg->mg_obj = 0; /* just in case */
604
605 SvREADONLY_off (sv);
606 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0;
609 SvOK_off (sv);
610
611 return 0;
612} 872}
613
614static MGVTBL mmap_vtbl = {
615 0, 0, 0, 0, mmap_free
616};
617 873
618/*****************************************************************************/ 874/*****************************************************************************/
619 875
620static SV * 876static SV *
621get_cb (SV *cb_sv) 877get_cb (SV *cb_sv)
622{ 878{
623 SvGETMAGIC (cb_sv); 879 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 880 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625} 881}
626 882
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
627#define dREQ \ 903#define dREQ \
628 SV *cb_cv; \ 904 aio_req req = dreq (callback); \
629 aio_req req; \
630 int req_pri = next_pri; \
631 next_pri = EIO_PRI_DEFAULT; \
632 \
633 cb_cv = get_cb (callback); \
634 \
635 Newz (0, req, 1, eio_req); \
636 if (!req) \
637 croak ("out of memory during eio_req allocation"); \
638 \
639 req->callback = SvREFCNT_inc (cb_cv); \
640 req->pri = req_pri
641 905
642#define REQ_SEND \ 906#define REQ_SEND \
643 PUTBACK; \ 907 PUTBACK; \
644 req_submit (req); \ 908 req_submit (req); \
645 SPAGAIN; \ 909 SPAGAIN; \
646 \ 910 \
647 if (GIMME_V != G_VOID) \ 911 if (GIMME_V != G_VOID) \
648 XPUSHs (req_sv (req, aio_req_stash)); 912 XPUSHs (req_sv (req, aio_req_stash));
649 913
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
650MODULE = IO::AIO PACKAGE = IO::AIO 980MODULE = IO::AIO PACKAGE = IO::AIO
651 981
652PROTOTYPES: ENABLE 982PROTOTYPES: ENABLE
653 983
654BOOT: 984BOOT:
… …
658 IV iv; 988 IV iv;
659 } *civ, const_iv[] = { 989 } *civ, const_iv[] = {
660# define const_niv(name, value) { # name, (IV) value }, 990# define const_niv(name, value) { # name, (IV) value },
661# define const_iv(name) { # name, (IV) name }, 991# define const_iv(name) { # name, (IV) name },
662# 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)
663 const_iv (EXDEV) 997 const_iv (EXDEV)
664 const_iv (ENOSYS) 998 const_iv (EBADR)
665 const_iv (O_RDONLY) 999
666 const_iv (O_WRONLY) 1000 /* for lseek */
667 const_iv (O_CREAT) 1001 const_iv (SEEK_DATA)
668 const_iv (O_TRUNC)
669#ifndef _WIN32
670 const_iv (S_IFIFO) 1002 const_iv (SEEK_HOLE)
671#endif 1003
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1004 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1005 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1006 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1007 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1008 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 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 */
1018 const_iv (O_RDONLY)
1019 const_iv (O_WRONLY)
1020 const_iv (O_RDWR)
1021 const_iv (O_CREAT)
1022 const_iv (O_TRUNC)
1023 const_iv (O_EXCL)
1024 const_iv (O_APPEND)
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
1044 const_iv (S_IFIFO)
1045 const_iv (S_IFCHR)
1046 const_iv (S_IFBLK)
1047 const_iv (S_IFLNK)
1048 const_iv (S_IFREG)
1049 const_iv (S_IFDIR)
1050 const_iv (S_IFWHT)
1051 const_iv (S_IFSOCK)
1052 const_iv (S_IFMT)
678 1053
679 const_iv (ST_RDONLY) 1054 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 1055 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 1056 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 1057 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 1062 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 1063 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 1064 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 1065 const_iv (ST_RELATIME)
691 1066
1067 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 1068 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 1069 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 1070 const_iv (PROT_WRITE)
696 1071
697 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 1072 const_iv (MAP_PRIVATE)
699 const_iv (MAP_SHARED) 1073 const_iv (MAP_SHARED)
1074 const_iv (MAP_FIXED)
700 const_iv (MAP_ANONYMOUS) 1075 const_iv (MAP_ANONYMOUS)
701 1076
702 /* linuxish */ 1077 /* linuxish */
703 const_iv (MAP_HUGETLB)
704 const_iv (MAP_LOCKED) 1078 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 1079 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 1080 const_iv (MAP_POPULATE)
707 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)
708 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
709 const_iv (MCL_FUTURE) 1179 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 1180 const_eio (MCL_CURRENT)
711 1181
712 const_eio (MS_ASYNC) 1182 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 1183 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 1184 const_eio (MS_SYNC)
715 1185
716 const_eio (MT_MODIFY) 1186 const_eio (MT_MODIFY)
717 1187
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1188 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE) 1189 const_eio (SYNC_FILE_RANGE_WRITE)
720 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)
721 1202
722 const_eio (READDIR_DENTS) 1203 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST) 1204 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER) 1205 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN) 1206 const_eio (READDIR_FOUND_UNKNOWN)
… …
736 }; 1217 };
737 1218
738 aio_stash = gv_stashpv ("IO::AIO" , 1); 1219 aio_stash = gv_stashpv ("IO::AIO" , 1);
739 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1220 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740 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);
741 1223
742 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--)
743 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1225 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744 1226
745 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1227 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746 1228
747 create_respipe (); 1229 reinit ();
748
749 if (eio_init (want_poll, done_poll) < 0)
750 croak ("IO::AIO: unable to initialise eio library");
751
752 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child);
754} 1230}
755 1231
756void 1232void
1233reinit ()
1234 PROTOTYPE:
1235
1236void
757max_poll_reqs (int nreqs) 1237max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 1238 PROTOTYPE: $
759 CODE: 1239 CODE:
760 eio_set_max_poll_reqs (nreqs); 1240 eio_set_max_poll_reqs (nreqs);
761 1241
762void 1242void
… …
764 PROTOTYPE: $ 1244 PROTOTYPE: $
765 CODE: 1245 CODE:
766 eio_set_max_poll_time (nseconds); 1246 eio_set_max_poll_time (nseconds);
767 1247
768void 1248void
769min_parallel (int nthreads) 1249min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 1250 PROTOTYPE: $
771 CODE: 1251 CODE:
772 eio_set_min_parallel (nthreads); 1252 eio_set_min_parallel (nthreads);
773 1253
774void 1254void
775max_parallel (int nthreads) 1255max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 1256 PROTOTYPE: $
777 CODE: 1257 CODE:
778 eio_set_max_parallel (nthreads); 1258 eio_set_max_parallel (nthreads);
779 1259
780void 1260void
781max_idle (int nthreads) 1261max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 1262 PROTOTYPE: $
783 CODE: 1263 CODE:
784 eio_set_max_idle (nthreads); 1264 eio_set_max_idle (nthreads);
785 1265
786void 1266void
1267idle_timeout (unsigned int seconds)
1268 PROTOTYPE: $
1269 CODE:
1270 eio_set_idle_timeout (seconds);
1271
1272void
787max_outstanding (int maxreqs) 1273max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 1274 PROTOTYPE: $
789 CODE: 1275 CODE:
790 max_outstanding = maxreqs; 1276 max_outstanding = maxreqs;
791 1277
792void 1278void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1279aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 1280 PPCODE:
796{ 1281{
797 dREQ; 1282 dREQ;
798 1283
1284 req->type = EIO_WD_OPEN;
1285 req_set_path1 (req, pathname);
1286
1287 REQ_SEND;
1288}
1289
1290void
1291aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1292 PPCODE:
1293{
1294 dREQ;
1295
799 req->type = EIO_OPEN; 1296 req->type = EIO_OPEN;
800 req->sv1 = newSVsv (pathname); 1297 req_set_path1 (req, pathname);
801 req->ptr1 = SvPVbyte_nolen (req->sv1);
802 req->int1 = flags; 1298 req->int1 = flags;
803 req->int2 = mode; 1299 req->int2 = mode;
804 1300
805 REQ_SEND; 1301 REQ_SEND;
806} 1302}
807 1303
808void 1304void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1305aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 1306 ALIAS:
812 aio_fsync = EIO_FSYNC 1307 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 1308 aio_fdatasync = EIO_FDATASYNC
1309 aio_syncfs = EIO_SYNCFS
814 PPCODE: 1310 PPCODE:
815{ 1311{
816 int fd = s_fileno_croak (fh, 0); 1312 int fd = s_fileno_croak (fh, 0);
817 dREQ; 1313 dREQ;
818 1314
819 req->type = ix; 1315 req->type = ix;
820 req->sv1 = newSVsv (fh); 1316 req->sv1 = newSVsv (fh);
821 req->int1 = fd; 1317 req->int1 = fd;
822 1318
823 REQ_SEND (req); 1319 REQ_SEND;
824} 1320}
825 1321
826void 1322void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1323aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1324 PPCODE:
830{ 1325{
831 int fd = s_fileno_croak (fh, 0); 1326 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1327 dREQ;
833 1328
834 req->type = EIO_SYNC_FILE_RANGE; 1329 req->type = EIO_SYNC_FILE_RANGE;
835 req->sv1 = newSVsv (fh); 1330 req->sv1 = newSVsv (fh);
836 req->int1 = fd; 1331 req->int1 = fd;
837 req->offs = offset; 1332 req->offs = offset;
838 req->size = nbytes; 1333 req->size = nbytes;
839 req->int2 = flags; 1334 req->int2 = flags;
840 1335
841 REQ_SEND (req); 1336 REQ_SEND;
842} 1337}
843 1338
844void 1339void
845aio_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)
846 PROTOTYPE: $;$
847 PPCODE: 1341 PPCODE:
848{ 1342{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1343 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1344 dREQ;
852 1345
853 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))
854 { 1365 {
855 int pipefd [2]; 1366 int pipefd [2];
856 1367
1368 if (
1369#ifdef _WIN32
1370 _pipe (pipefd, 1, _O_BINARY) < 0
1371#else
857 if (pipe (pipefd) < 0 1372 pipe (pipefd) < 0
858 || close (pipefd [1]) < 0
859 || 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 )
860 abort (); /*D*/ 1377 abort (); /*D*/
861 1378
862 close_pipe = pipefd [0]; 1379 close_fd = pipefd [0];
863 } 1380 }
864 1381
865 req->type = EIO_DUP2; 1382 req->type = EIO_DUP2;
866 req->int1 = close_pipe; 1383 req->int1 = close_fd;
867 req->sv2 = newSVsv (fh); 1384 req->sv2 = newSVsv (fh);
868 req->int2 = fd; 1385 req->int2 = fd;
869 1386
870 REQ_SEND (req); 1387 REQ_SEND;
871} 1388}
872 1389
873void 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
874aio_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)
875 ALIAS: 1408 ALIAS:
876 aio_read = EIO_READ 1409 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1410 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1411 PPCODE:
880{ 1412{
881 STRLEN svlen; 1413 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1414 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1415 char *svptr = SvPVbyte (data, svlen);
… …
896 len = svlen - dataoffset; 1428 len = svlen - dataoffset;
897 } 1429 }
898 else 1430 else
899 { 1431 {
900 /* read: check type and grow scalar as necessary */ 1432 /* read: check type and grow scalar as necessary */
901 SvUPGRADE (data, SVt_PV); 1433 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
902 svptr = SvGROW (data, len + dataoffset + 1); 1434 svptr = sv_grow (data, len + dataoffset + 1);
1435 else if (SvCUR (data) < len + dataoffset)
1436 croak ("length + dataoffset outside of scalar, and cannot grow");
903 } 1437 }
904 1438
905 { 1439 {
906 dREQ; 1440 dREQ;
907 1441
… …
923 REQ_SEND; 1457 REQ_SEND;
924 } 1458 }
925} 1459}
926 1460
927void 1461void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1462aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
929 PROTOTYPE: $$;$ 1463 ALIAS:
1464 aio_ioctl = EIO_IOCTL
1465 aio_fcntl = EIO_FCNTL
930 PPCODE: 1466 PPCODE:
931{ 1467{
932 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{
933 dREQ; 1508 dREQ;
934 1509
935 req->type = EIO_READLINK; 1510 req->type = ix;
936 req->sv1 = newSVsv (path); 1511 req_set_path1 (req, pathname);
937 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1512
939 REQ_SEND; 1513 REQ_SEND;
940} 1514}
941 1515
942void 1516void
943aio_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)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1518 PPCODE:
946{ 1519{
947 int ifd = s_fileno_croak (in_fh , 0); 1520 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1521 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1522 dREQ;
950 1523
951 req->type = EIO_SENDFILE; 1524 req->type = EIO_SENDFILE;
952 req->sv1 = newSVsv (out_fh); 1525 req->sv1 = newSVsv (out_fh);
953 req->int1 = ofd; 1526 req->int1 = ofd;
… …
958 1531
959 REQ_SEND; 1532 REQ_SEND;
960} 1533}
961 1534
962void 1535void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1536aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1537 PPCODE:
966{ 1538{
967 int fd = s_fileno_croak (fh, 0); 1539 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1540 dREQ;
969 1541
970 req->type = EIO_READAHEAD; 1542 req->type = EIO_READAHEAD;
971 req->sv1 = newSVsv (fh); 1543 req->sv1 = newSVsv (fh);
972 req->int1 = fd; 1544 req->int1 = fd;
… …
975 1547
976 REQ_SEND; 1548 REQ_SEND;
977} 1549}
978 1550
979void 1551void
980aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1552aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
981 ALIAS: 1553 ALIAS:
982 aio_stat = EIO_STAT 1554 aio_stat = EIO_STAT
983 aio_lstat = EIO_LSTAT 1555 aio_lstat = EIO_LSTAT
984 aio_statvfs = EIO_STATVFS 1556 aio_statvfs = EIO_STATVFS
985 PPCODE: 1557 PPCODE:
986{ 1558{
987 dREQ; 1559 dREQ;
988 1560
989 req->sv1 = newSVsv (fh_or_path); 1561 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
990
991 if (SvPOK (req->sv1))
992 {
993 req->type = ix;
994 req->ptr1 = SvPVbyte_nolen (req->sv1);
995 }
996 else
997 {
998 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
999 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1000 }
1001 1562
1002 REQ_SEND; 1563 REQ_SEND;
1003} 1564}
1004 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
1005void 1582void
1006aio_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)
1007 PPCODE: 1584 PPCODE:
1008{ 1585{
1009 dREQ; 1586 dREQ;
1010 1587
1011 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1588 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1589 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013 req->sv1 = newSVsv (fh_or_path); 1590 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1014
1015 if (SvPOK (req->sv1))
1016 {
1017 req->type = EIO_UTIME;
1018 req->ptr1 = SvPVbyte_nolen (req->sv1);
1019 }
1020 else
1021 {
1022 req->type = EIO_FUTIME;
1023 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1024 }
1025 1591
1026 REQ_SEND; 1592 REQ_SEND;
1027} 1593}
1028 1594
1029void 1595void
1030aio_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)
1031 PPCODE: 1597 PPCODE:
1032{ 1598{
1033 dREQ; 1599 dREQ;
1034 1600
1035 req->sv1 = newSVsv (fh_or_path);
1036 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1601 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037 1602 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1038 if (SvPOK (req->sv1))
1039 {
1040 req->type = EIO_TRUNCATE;
1041 req->ptr1 = SvPVbyte_nolen (req->sv1);
1042 }
1043 else
1044 {
1045 req->type = EIO_FTRUNCATE;
1046 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047 }
1048 1603
1049 REQ_SEND; 1604 REQ_SEND;
1050} 1605}
1051 1606
1052void 1607void
1053aio_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)
1054 ALIAS:
1055 aio_chmod = EIO_CHMOD
1056 aio_mkdir = EIO_MKDIR
1057 PPCODE: 1609 PPCODE:
1058{ 1610{
1059 dREQ; 1611 dREQ;
1060 1612
1061 req->int2 = mode; 1613 req->int2 = mode;
1062 req->sv1 = newSVsv (fh_or_path); 1614 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1063
1064 if (SvPOK (req->sv1))
1065 {
1066 req->type = ix;
1067 req->ptr1 = SvPVbyte_nolen (req->sv1);
1068 }
1069 else
1070 {
1071 req->type = EIO_FCHMOD;
1072 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073 }
1074 1615
1075 REQ_SEND; 1616 REQ_SEND;
1076} 1617}
1077 1618
1078void 1619void
1079aio_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)
1080 PPCODE: 1621 PPCODE:
1081{ 1622{
1082 dREQ; 1623 dREQ;
1083 1624
1084 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1625 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1626 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086 req->sv1 = newSVsv (fh_or_path); 1627 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1087
1088 if (SvPOK (req->sv1))
1089 {
1090 req->type = EIO_CHOWN;
1091 req->ptr1 = SvPVbyte_nolen (req->sv1);
1092 }
1093 else
1094 {
1095 req->type = EIO_FCHOWN;
1096 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1097 }
1098 1628
1099 REQ_SEND; 1629 REQ_SEND;
1100} 1630}
1101 1631
1102void 1632void
1103aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1633aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1104 PPCODE: 1634 PPCODE:
1105{ 1635{
1106 dREQ; 1636 dREQ;
1107 1637
1108 req->type = EIO_READDIR; 1638 req->type = EIO_READDIR;
1109 req->sv1 = newSVsv (pathname);
1110 req->ptr1 = SvPVbyte_nolen (req->sv1);
1111 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1639 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112 1640
1113 if (flags & EIO_READDIR_DENTS) 1641 if (flags & EIO_READDIR_DENTS)
1114 req->int1 |= EIO_READDIR_CUSTOM2; 1642 req->int1 |= EIO_READDIR_CUSTOM2;
1115 1643
1644 req_set_path1 (req, pathname);
1645
1116 REQ_SEND; 1646 REQ_SEND;
1117} 1647}
1118 1648
1119void 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
1120aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1663aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1121 ALIAS: 1664 ALIAS:
1122 aio_unlink = EIO_UNLINK 1665 aio_unlink = EIO_UNLINK
1123 aio_rmdir = EIO_RMDIR 1666 aio_rmdir = EIO_RMDIR
1124 aio_readdir = EIO_READDIR 1667 aio_readdir = EIO_READDIR
1125 PPCODE: 1668 PPCODE:
1126{ 1669{
1127 dREQ; 1670 dREQ;
1128 1671
1129 req->type = ix; 1672 req->type = ix;
1130 req->sv1 = newSVsv (pathname); 1673 req_set_path1 (req, pathname);
1131 req->ptr1 = SvPVbyte_nolen (req->sv1);
1132 1674
1133 REQ_SEND; 1675 REQ_SEND;
1134} 1676}
1135 1677
1136void 1678void
1137aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1679aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1138 ALIAS: 1680 ALIAS:
1139 aio_link = EIO_LINK 1681 aio_link = EIO_LINK
1140 aio_symlink = EIO_SYMLINK 1682 aio_symlink = EIO_SYMLINK
1141 aio_rename = EIO_RENAME 1683 aio_rename = EIO_RENAME
1142 PPCODE: 1684 PPCODE:
1143{ 1685{
1686 eio_wd wd2 = 0;
1144 dREQ; 1687 dREQ;
1145 1688
1146 req->type = ix; 1689 req->type = ix;
1147 req->sv1 = newSVsv (oldpath); 1690 req_set_path1 (req, oldpath);
1148 req->ptr1 = SvPVbyte_nolen (req->sv1); 1691 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149 req->sv2 = newSVsv (newpath); 1692 req->int3 = (long)wd2;
1150 req->ptr2 = SvPVbyte_nolen (req->sv2);
1151 1693
1152 REQ_SEND; 1694 REQ_SEND;
1153} 1695}
1154 1696
1155void 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
1156aio_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)
1157 PPCODE: 1715 PPCODE:
1158{ 1716{
1159 dREQ; 1717 dREQ;
1160 1718
1161 req->type = EIO_MKNOD; 1719 req->type = EIO_MKNOD;
1162 req->sv1 = newSVsv (pathname);
1163 req->ptr1 = SvPVbyte_nolen (req->sv1);
1164 req->int2 = (mode_t)mode; 1720 req->int2 = (mode_t)mode;
1165 req->offs = dev; 1721 req->offs = dev;
1722 req_set_path1 (req, pathname);
1166 1723
1167 REQ_SEND; 1724 REQ_SEND;
1168} 1725}
1169 1726
1170void 1727void
1171aio_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)
1172 ALIAS: 1729 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1730 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1731 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1732 PPCODE:
1177{ 1733{
1178 STRLEN svlen; 1734 STRLEN svlen;
1735 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1736 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen); 1737
1738 if (flags < 0)
1739 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1181 1740
1182 if (offset < 0) 1741 if (offset < 0)
1183 offset += svlen; 1742 offset += svlen;
1184 1743
1185 if (offset < 0 || offset > svlen) 1744 if (offset < 0 || offset > svlen)
… …
1190 1749
1191 { 1750 {
1192 dREQ; 1751 dREQ;
1193 1752
1194 req->type = ix; 1753 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1754 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1755 req->ptr2 = (char *)svptr + offset;
1756 req->size = len;
1198 req->int1 = flags; 1757 req->int1 = flags;
1199 1758
1200 REQ_SEND; 1759 REQ_SEND;
1201 } 1760 }
1202} 1761}
1203 1762
1204void 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
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1866aio_busy (double delay, SV *callback = &PL_sv_undef)
1206 PPCODE: 1867 PPCODE:
1207{ 1868{
1208 dREQ; 1869 dREQ;
1209 1870
1210 req->type = EIO_BUSY; 1871 req->type = EIO_BUSY;
… …
1212 1873
1213 REQ_SEND; 1874 REQ_SEND;
1214} 1875}
1215 1876
1216void 1877void
1217aio_group (SV *callback=&PL_sv_undef) 1878aio_group (SV *callback = &PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1879 PPCODE:
1220{ 1880{
1221 dREQ; 1881 dREQ;
1222 1882
1223 req->type = EIO_GROUP; 1883 req->type = EIO_GROUP;
1224 1884
1885 PUTBACK;
1225 req_submit (req); 1886 req_submit (req);
1887 SPAGAIN;
1888
1226 XPUSHs (req_sv (req, aio_grp_stash)); 1889 XPUSHs (req_sv (req, aio_grp_stash));
1227} 1890}
1228 1891
1229void 1892void
1230aio_nop (SV *callback=&PL_sv_undef) 1893aio_nop (SV *callback = &PL_sv_undef)
1231 ALIAS: 1894 ALIAS:
1232 aio_nop = EIO_NOP 1895 aio_nop = EIO_NOP
1233 aio_sync = EIO_SYNC 1896 aio_sync = EIO_SYNC
1234 PPCODE: 1897 PPCODE:
1235{ 1898{
… …
1239 1902
1240 REQ_SEND; 1903 REQ_SEND;
1241} 1904}
1242 1905
1243int 1906int
1244aioreq_pri (int pri = 0) 1907aioreq_pri (int pri = NO_INIT)
1245 PROTOTYPE: ;$
1246 CODE: 1908 CODE:
1247 RETVAL = next_pri; 1909 RETVAL = next_pri;
1248 if (items > 0) 1910 if (items > 0)
1249 { 1911 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1912 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1924 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1925 next_pri = nice;
1264 1926
1265void 1927void
1266flush () 1928flush ()
1267 PROTOTYPE:
1268 CODE: 1929 CODE:
1269 while (eio_nreqs ()) 1930 while (eio_nreqs ())
1270 { 1931 {
1271 poll_wait (); 1932 poll_wait ();
1272 poll_cb (); 1933 poll_cb ();
1273 } 1934 }
1274 1935
1275int 1936int
1276poll() 1937poll ()
1277 PROTOTYPE:
1278 CODE: 1938 CODE:
1279 poll_wait (); 1939 poll_wait ();
1280 RETVAL = poll_cb (); 1940 RETVAL = poll_cb ();
1281 OUTPUT: 1941 OUTPUT:
1282 RETVAL 1942 RETVAL
1283 1943
1284int 1944int
1285poll_fileno() 1945poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1946 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1947 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1948 OUTPUT:
1290 RETVAL 1949 RETVAL
1291 1950
1292int 1951int
1293poll_cb(...) 1952poll_cb (...)
1294 PROTOTYPE: 1953 PROTOTYPE:
1295 CODE: 1954 CODE:
1296 RETVAL = poll_cb (); 1955 RETVAL = poll_cb ();
1297 OUTPUT: 1956 OUTPUT:
1298 RETVAL 1957 RETVAL
1299 1958
1300void 1959void
1301poll_wait() 1960poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1961 CODE:
1304 poll_wait (); 1962 poll_wait ();
1305 1963
1306int 1964int
1307nreqs() 1965nreqs ()
1308 PROTOTYPE:
1309 CODE: 1966 CODE:
1310 RETVAL = eio_nreqs (); 1967 RETVAL = eio_nreqs ();
1311 OUTPUT: 1968 OUTPUT:
1312 RETVAL 1969 RETVAL
1313 1970
1314int 1971int
1315nready() 1972nready ()
1316 PROTOTYPE:
1317 CODE: 1973 CODE:
1318 RETVAL = eio_nready (); 1974 RETVAL = eio_nready ();
1319 OUTPUT: 1975 OUTPUT:
1320 RETVAL 1976 RETVAL
1321 1977
1322int 1978int
1323npending() 1979npending ()
1324 PROTOTYPE:
1325 CODE: 1980 CODE:
1326 RETVAL = eio_npending (); 1981 RETVAL = eio_npending ();
1327 OUTPUT: 1982 OUTPUT:
1328 RETVAL 1983 RETVAL
1329 1984
1330int 1985int
1331nthreads() 1986nthreads ()
1332 PROTOTYPE:
1333 CODE: 1987 CODE:
1334 RETVAL = eio_nthreads (); 1988 RETVAL = eio_nthreads ();
1335 OUTPUT: 1989 OUTPUT:
1336 RETVAL 1990 RETVAL
1337 1991
1338int 1992int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1993fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1994 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1995 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1996 OUTPUT:
1348 RETVAL 1997 RETVAL
1349 1998
1350ssize_t 1999IV
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2000sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 2001 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2002 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 2003 OUTPUT:
1356 RETVAL 2004 RETVAL
1357 2005
1358void 2006void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2007mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 2008 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 2009 sv_clear_foreign (scalar);
1363{ 2010{
1364 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;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2012 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 2013 if (addr == (void *)-1)
1367 XSRETURN_NO; 2014 XSRETURN_NO;
1368 2015
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 2016 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length;
1372 2017
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */
1374 if (!(prot & PROT_WRITE)) 2018 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 2019 SvREADONLY_on (scalar);
1376 2020
1377 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar);
1381
1382 XSRETURN_YES; 2021 XSRETURN_YES;
1383} 2022}
1384 2023
1385void 2024void
1386munmap (SV *scalar) 2025munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 2026 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 2027 sv_clear_foreign (scalar);
1390 2028
1391int 2029int
1392mlockall (int flags) 2030madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 2031 ALIAS:
2032 mprotect = 1
1394 CODE: 2033 CODE:
2034{
2035 STRLEN svlen;
2036 void *addr = SvPVbyte (scalar, svlen);
2037 STRLEN len = SvUV (length);
2038
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)
2046 len = svlen - offset;
2047
2048 addr = (void *)(((intptr_t)addr) + offset);
2049 eio_page_align (&addr, &len);
2050
2051 switch (ix)
2052 {
2053 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2054 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2055 }
2056}
2057 OUTPUT:
2058 RETVAL
2059
2060int
2061munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
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);
1395#if _POSIX_MEMLOCK 2079#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2080 RETVAL = munlock (addr, len);
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else 2081#else
1402 RETVAL = -1; 2082 RETVAL = EIO_ENOSYS ();
1403 errno = ENOSYS;
1404#endif 2083#endif
2084}
1405 OUTPUT: 2085 OUTPUT:
1406 RETVAL 2086 RETVAL
1407 2087
1408int 2088int
1409munlockall () 2089munlockall ()
1410 PROTOTYPE:
1411 CODE: 2090 CODE:
1412#if _POSIX_MEMLOCK 2091#if _POSIX_MEMLOCK
1413 munlockall (); 2092 munlockall ();
1414#else 2093#else
1415 RETVAL = -1; 2094 RETVAL = EIO_ENOSYS ();
1416 errno = ENOSYS;
1417#endif 2095#endif
1418 OUTPUT: 2096 OUTPUT:
1419 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}
1420 2254
1421void _on_next_submit (SV *cb) 2255void _on_next_submit (SV *cb)
1422 CODE: 2256 CODE:
1423 SvREFCNT_dec (on_next_submit); 2257 SvREFCNT_dec (on_next_submit);
1424 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2258 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425 2259
1426PROTOTYPES: DISABLE 2260PROTOTYPES: DISABLE
1427 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
1428MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2290MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429 2291
1430void 2292void
1431cancel (aio_req_ornot req) 2293cancel (aio_req_ornot req)
1432 CODE: 2294 CODE:
1433 eio_cancel (req); 2295 eio_cancel (req);
1434 2296
1435void 2297void
1436cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2298cb (aio_req_ornot req, SV *callback = NO_INIT)
1437 PPCODE: 2299 PPCODE:
1438{ 2300{
1439 if (GIMME_V != G_VOID) 2301 if (GIMME_V != G_VOID)
1440 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);
1441 2303
1442 if (items > 1) 2304 if (items > 1)
1443 { 2305 {
1444 SV *cb_cv =get_cb (callback); 2306 SV *cb_cv = get_cb (callback);
1445 2307
1446 SvREFCNT_dec (req->callback); 2308 SvREFCNT_dec (req->callback);
1447 req->callback = SvREFCNT_inc (cb_cv); 2309 req->callback = SvREFCNT_inc (cb_cv);
1448 } 2310 }
1449} 2311}
… …
1506limit (aio_req grp, int limit) 2368limit (aio_req grp, int limit)
1507 CODE: 2369 CODE:
1508 eio_grp_limit (grp, limit); 2370 eio_grp_limit (grp, limit);
1509 2371
1510void 2372void
1511feed (aio_req grp, SV *callback=&PL_sv_undef) 2373feed (aio_req grp, SV *callback = &PL_sv_undef)
1512 CODE: 2374 CODE:
1513{ 2375{
1514 SvREFCNT_dec (grp->sv2); 2376 SvREFCNT_dec (grp->sv2);
1515 grp->sv2 = newSVsv (callback); 2377 grp->sv2 = newSVsv (callback);
1516 grp->feed = aio_grp_feed; 2378 grp->feed = aio_grp_feed;

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