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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC vs.
Revision 1.261 by root, Tue Jul 24 19:32:20 2018 UTC

4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <limits.h> 19#include <limits.h>
17#include <fcntl.h> 20#include <fcntl.h>
18#include <sched.h> 21#include <sched.h>
19 22
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 23#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 24# include <sys/mman.h>
25#endif
26
27/* the incompetent fool that created musl keeps __linux__, refuses
28 * to implement any linux standard apis, and also has no way to test
29 * for his broken iplementation. don't complain to me if this fails
30 * for you.
31 */
32#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
33# include <linux/fs.h>
34# ifdef FS_IOC_FIEMAP
35# include <linux/types.h>
36# include <linux/fiemap.h>
37# define HAVE_FIEMAP 1
38# endif
22#endif 39#endif
23 40
24/* perl namespace pollution */ 41/* perl namespace pollution */
25#undef VERSION 42#undef VERSION
26 43
30#undef opendir 47#undef opendir
31#undef closedir 48#undef closedir
32 49
33#ifdef _WIN32 50#ifdef _WIN32
34 51
35 #define EIO_STRUCT_DIRENT Direntry_t 52 // perl overrides all those nice libc functions
53
36 #undef malloc 54 #undef malloc
37 #undef free 55 #undef free
38
39 // perl overrides all those nice libc functions
40 #undef open 56 #undef open
41 #undef read 57 #undef read
42 #undef write 58 #undef write
43 #undef send 59 #undef send
44 #undef recv 60 #undef recv
63 #undef dup 79 #undef dup
64 #undef dup2 80 #undef dup2
65 #undef abort 81 #undef abort
66 #undef pipe 82 #undef pipe
67 83
84 #define EIO_STRUCT_STAT struct _stati64
85 #define EIO_STRUCT_STATI64
86
68#else 87#else
69 88
70 #include <sys/time.h> 89 #include <sys/time.h>
71 #include <sys/select.h> 90 #include <sys/select.h>
72 #include <unistd.h> 91 #include <unistd.h>
73 #include <utime.h> 92 #include <utime.h>
74 #include <signal.h> 93 #include <signal.h>
75 94
76#endif
77
78#define EIO_STRUCT_STAT Stat_t 95 #define EIO_STRUCT_STAT Stat_t
79 96
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else
86# define VAL64 NV
87# define SvVAL64 SvNV
88# define newSVval64 newSVnv
89#endif 97#endif
90 98
91/*****************************************************************************/ 99/*****************************************************************************/
92 100
93#if __GNUC__ >= 3 101#if __GNUC__ >= 3
99#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
101 109
102/*****************************************************************************/ 110/*****************************************************************************/
103 111
112#include "libeio/config.h"
113
114#include "schmorp.h"
115
116#if HAVE_EVENTFD
117# include <sys/eventfd.h>
118#endif
119
120#if HAVE_TIMERFD
121# include <sys/timerfd.h>
122#endif
123
124#if HAVE_RLIMITS
125 #include <sys/time.h>
126 #include <sys/resource.h>
127#endif
128
104typedef SV SV8; /* byte-sv, used for argument-checking */ 129typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 130typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 131typedef int aio_wfd; /* write file descriptor */
107 132
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 133static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109 134
110#define EIO_REQ_MEMBERS \ 135#define EIO_REQ_MEMBERS \
111 SV *callback; \ 136 SV *callback; \
112 SV *sv1, *sv2; \ 137 SV *sv1, *sv2; \
138 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 139 STRLEN stroffset; \
114 SV *self; 140 SV *self;
115 141
116#define EIO_NO_WRAPPERS 1 142#define EIO_NO_WRAPPERS 1
117 143
118#include "libeio/config.h"
119#include "libeio/eio.h" 144#include "libeio/eio.h"
120 145
121static int req_invoke (eio_req *req); 146static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 147#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 148static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 149#define EIO_DESTROY(req) req_destroy (req)
125 150
126#include "libeio/eio.c" 151#include "libeio/eio.c"
127 152
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 153#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 154# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 155#endif
196 156
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE 157#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 158# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
290#endif 159#endif
291 160
292#ifndef MAP_ANONYMOUS 161#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 162# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 163# define MAP_ANONYMOUS MAP_ANON
295# else 164# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 165# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 166# endif
298#endif 167#endif
299#ifndef MAP_HUGETLB
300# define MAP_HUGETLB 0
301#endif
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 168
315#ifndef makedev 169#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 170# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 171#endif
318#ifndef major 172#ifndef major
320#endif 174#endif
321#ifndef minor 175#ifndef minor
322# define minor(dev) ((dev) & 0xff) 176# define minor(dev) ((dev) & 0xff)
323#endif 177#endif
324 178
325#ifndef PAGESIZE 179#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 180# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 181#endif
182
183/*****************************************************************************/
184
185#if !_POSIX_MAPPED_FILES
186# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
187# define munmap(addr,length) EIO_ENOSYS ()
188#endif
189
190#if !_POSIX_MEMORY_PROTECTION
191# define mprotect(addr,len,prot) EIO_ENOSYS ()
192#endif
193
194#if !MREMAP_MAYMOVE
195# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
196#endif
197
198#define FOREIGN_MAGIC PERL_MAGIC_ext
199
200static int ecb_cold
201mmap_free (pTHX_ SV *sv, MAGIC *mg)
202{
203 int old_errno = errno;
204 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
205 errno = old_errno;
206
207 mg->mg_obj = 0; /* just in case */
208
209 SvREADONLY_off (sv);
210
211 if (SvPVX (sv) != mg->mg_ptr)
212 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
213
214 SvCUR_set (sv, 0);
215 SvPVX (sv) = 0;
216 SvOK_off (sv);
217
218 return 0;
219}
220
221static MGVTBL mmap_vtbl = {
222 0, 0, 0, 0, mmap_free
223};
224
225static int ecb_cold
226sysfree_free (pTHX_ SV *sv, MAGIC *mg)
227{
228 free (mg->mg_ptr);
229 mg->mg_obj = 0; /* just in case */
230
231 SvREADONLY_off (sv);
232
233 if (SvPVX (sv) != mg->mg_ptr)
234 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
235
236 SvCUR_set (sv, 0);
237 SvPVX (sv) = 0;
238 SvOK_off (sv);
239
240 return 0;
241}
242
243static MGVTBL sysfree_vtbl = {
244 0, 0, 0, 0, sysfree_free
245};
246
247/*****************************************************************************/
248
249/* helper: set scalar to foreign ptr with custom free */
250static void
251sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
252{
253 sv_force_normal (sv);
254
255 /* we store the length in mg_obj, as namlen is I32 :/ */
256 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
257 ->mg_obj = (SV *)length;
258
259 SvUPGRADE (sv, SVt_PV); /* nop... */
260
261 if (SvLEN (sv))
262 Safefree (SvPVX (sv));
263
264 SvPVX (sv) = (char *)addr;
265 SvCUR_set (sv, length);
266 SvLEN_set (sv, 0);
267 SvPOK_only (sv);
268}
269
270static void
271sv_clear_foreign (SV *sv)
272{
273 /* todo: iterate over magic and only free ours, but of course */
274 /* the perl5porters will call that (correct) behaviour buggy */
275 sv_unmagic (sv, FOREIGN_MAGIC);
276}
277
278/*****************************************************************************/
279
280/* defines all sorts of constants to 0 unless they are already defined */
281/* also provides const_iv_ and const_niv_ macros for them */
282#include "def0.h"
283
284/*****************************************************************************/
285
286static void
287fiemap (eio_req *req)
288{
289 req->result = -1;
290
291#if HAVE_FIEMAP
292 /* assume some c99 */
293 struct fiemap *fiemap = 0;
294 size_t end_offset;
295 int count = req->int3;
296
297 req->flags |= EIO_FLAG_PTR1_FREE;
298
299 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
300 /* increase in 3.5kb steps */
301 if (count < 0)
302 count = 8;
303
304 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
305 errno = ENOMEM;
306 if (!fiemap)
307 return;
308
309 req->ptr1 = fiemap;
310
311 fiemap->fm_start = req->offs;
312 fiemap->fm_length = req->size;
313 fiemap->fm_flags = req->int2;
314 fiemap->fm_extent_count = count;
315
316 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
317 return;
318
319 if (req->int3 >= 0 /* not autosizing */
320 || !fiemap->fm_mapped_extents /* no more extents */
321 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
322 goto done;
323
324 /* else we have to loop -
325 * it would be tempting (actually I tried that first) to just query the
326 * number of extents needed, but linux often feels like not returning all
327 * extents, without telling us it left any out. this complicates
328 * this quite a bit.
329 */
330
331 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
332
333 for (;;)
334 {
335 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
336 char scratch[3072];
337 struct fiemap *incmap = (struct fiemap *)scratch;
338
339 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
340 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
341 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
342 incmap->fm_flags = fiemap->fm_flags;
343 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
344
345 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
346 return;
347
348 if (!incmap->fm_mapped_extents)
349 goto done;
350
351 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
352 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
353 errno = ENOMEM;
354 if (!fiemap)
355 return;
356
357 req->ptr1 = fiemap;
358
359 for (count = 0; count < incmap->fm_mapped_extents; ++count)
360 {
361 struct fiemap_extent *e = incmap->fm_extents + count;
362
363 if (e->fe_logical + e->fe_length >= end_offset)
364 goto done;
365
366 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
367
368 if (e->fe_flags & FIEMAP_EXTENT_LAST)
369 goto done;
370
371 }
372 }
373
374done:
375 req->result = 0;
376
377#else
378 errno = ENOSYS;
379#endif
380}
381
382/*****************************************************************************/
328 383
329enum { 384enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 385 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 386};
332 387
333typedef eio_req *aio_req; 388typedef eio_req *aio_req;
334typedef eio_req *aio_req_ornot; 389typedef eio_req *aio_req_ornot;
390typedef eio_wd aio_wd;
335 391
336static SV *on_next_submit; 392static SV *on_next_submit;
337static int next_pri = EIO_PRI_DEFAULT; 393static int next_pri = EIO_PRI_DEFAULT;
338static int max_outstanding; 394static int max_outstanding;
339 395
340static s_epipe respipe; 396static s_epipe respipe;
341 397
342static void req_destroy (aio_req req); 398static void req_destroy (aio_req req);
343static void req_cancel (aio_req req); 399static void req_cancel (aio_req req);
344 400
345static void want_poll (void) 401static void
402want_poll (void)
346{ 403{
347 /* write a dummy byte to the pipe so fh becomes ready */ 404 /* write a dummy byte to the pipe so fh becomes ready */
348 s_epipe_signal (&respipe); 405 s_epipe_signal (&respipe);
349} 406}
350 407
351static void done_poll (void) 408static void
409done_poll (void)
352{ 410{
353 /* read any signals sent by the worker threads */ 411 /* read any signals sent by the worker threads */
354 s_epipe_drain (&respipe); 412 s_epipe_drain (&respipe);
355} 413}
356 414
357/* must be called at most once */ 415/* must be called at most once */
416static SV *
358static SV *req_sv (aio_req req, HV *stash) 417req_sv (aio_req req, HV *stash)
359{ 418{
360 if (!req->self) 419 if (!req->self)
361 { 420 {
362 req->self = (SV *)newHV (); 421 req->self = (SV *)newHV ();
363 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 422 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364 } 423 }
365 424
366 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 425 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367} 426}
368 427
369static aio_req SvAIO_REQ (SV *sv) 428static SV *
429newSVaio_wd (aio_wd wd)
430{
431 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
432}
433
434static aio_req
435SvAIO_REQ (SV *sv)
370{ 436{
371 MAGIC *mg; 437 MAGIC *mg;
372 438
373 if (!SvROK (sv) 439 if (!SvROK (sv)
440 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374 || (SvSTASH (SvRV (sv)) != aio_grp_stash 441 || (SvSTASH (SvRV (sv)) != aio_grp_stash
375 && SvSTASH (SvRV (sv)) != aio_req_stash 442 && SvSTASH (SvRV (sv)) != aio_req_stash
376 && !sv_derived_from (sv, "IO::AIO::REQ"))) 443 && !sv_derived_from (sv, "IO::AIO::REQ")))
377 croak ("object of class IO::AIO::REQ expected"); 444 croak ("object of class IO::AIO::REQ expected");
378 445
379 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 446 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380 447
381 return mg ? (aio_req)mg->mg_ptr : 0; 448 return mg ? (aio_req)mg->mg_ptr : 0;
382} 449}
383 450
451static aio_wd
452SvAIO_WD (SV *sv)
453{
454 if (!SvROK (sv)
455 || SvTYPE (SvRV (sv)) != SVt_PVMG
456 || SvSTASH (SvRV (sv)) != aio_wd_stash)
457 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
458
459 return (aio_wd)(long)SvIVX (SvRV (sv));
460}
461
462static SV *
463newmortalFH (int fd, int flags)
464{
465 if (fd < 0)
466 return &PL_sv_undef;
467
468 GV *gv = (GV *)sv_newmortal ();
469 char sym[64];
470 int symlen;
471
472 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
473 gv_init (gv, aio_stash, sym, symlen, 0);
474
475 symlen = snprintf (
476 sym,
477 sizeof (sym),
478 "%s&=%d",
479 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
480 fd
481 );
482
483 return do_open (gv, sym, symlen, 0, 0, 0, 0)
484 ? (SV *)gv : &PL_sv_undef;
485}
486
487static void
384static void aio_grp_feed (aio_req grp) 488aio_grp_feed (aio_req grp)
385{ 489{
386 if (grp->sv2 && SvOK (grp->sv2)) 490 if (grp->sv2 && SvOK (grp->sv2))
387 { 491 {
388 dSP; 492 dSP;
389 493
397 FREETMPS; 501 FREETMPS;
398 LEAVE; 502 LEAVE;
399 } 503 }
400} 504}
401 505
506static void
402static void req_submit (eio_req *req) 507req_submit (eio_req *req)
403{ 508{
404 eio_submit (req); 509 eio_submit (req);
405 510
406 if (expect_false (on_next_submit)) 511 if (expect_false (on_next_submit))
407 { 512 {
414 PUTBACK; 519 PUTBACK;
415 call_sv (cb, G_DISCARD | G_EVAL); 520 call_sv (cb, G_DISCARD | G_EVAL);
416 } 521 }
417} 522}
418 523
524static int
419static int req_invoke (eio_req *req) 525req_invoke (eio_req *req)
420{ 526{
421 if (req->flags & FLAG_SV2_RO_OFF) 527 if (req->flags & FLAG_SV2_RO_OFF)
422 SvREADONLY_off (req->sv2); 528 SvREADONLY_off (req->sv2);
423 529
424 if (!EIO_CANCELLED (req) && req->callback) 530 if (!EIO_CANCELLED (req) && req->callback)
445 SvREADONLY_on (sv_result); 551 SvREADONLY_on (sv_result);
446 } 552 }
447 553
448 switch (req->type) 554 switch (req->type)
449 { 555 {
556 case EIO_WD_OPEN:
557 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
558 break;
559
450 case EIO_READDIR: 560 case EIO_READDIR:
451 { 561 {
452 SV *rv = &PL_sv_undef; 562 SV *rv = &PL_sv_undef;
453 563
454 if (req->result >= 0) 564 if (req->result >= 0)
507 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 617 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
508 } 618 }
509 break; 619 break;
510 620
511 case EIO_OPEN: 621 case EIO_OPEN:
512 { 622 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
513 /* convert fd to fh */
514 SV *fh = &PL_sv_undef;
515
516 if (req->result >= 0)
517 {
518 GV *gv = (GV *)sv_newmortal ();
519 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
520 char sym [64];
521 int symlen;
522
523 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
524 gv_init (gv, aio_stash, sym, symlen, 0);
525
526 symlen = snprintf (
527 sym,
528 sizeof (sym),
529 "%s&=%d",
530 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
531 (int)req->result
532 );
533
534 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
535 fh = (SV *)gv;
536 }
537
538 PUSHs (fh);
539 }
540 break; 623 break;
541 624
542 case EIO_STATVFS: 625 case EIO_STATVFS:
543 case EIO_FSTATVFS: 626 case EIO_FSTATVFS:
544 { 627 {
547#ifndef _WIN32 630#ifndef _WIN32
548 if (req->result >= 0) 631 if (req->result >= 0)
549 { 632 {
550 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 633 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
551 HV *hv = newHV (); 634 HV *hv = newHV ();
635 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
636 * chooses to make it a struct.
637 */
638 unsigned long fsid = 0;
639 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
552 640
553 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 641 rv = sv_2mortal (newRV_noinc ((SV *)hv));
554 642
555 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 643 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
556 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 644 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
558 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 646 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
559 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 647 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
560 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 648 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
561 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 649 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
562 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 650 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
563 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 651 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
564 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 652 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
565 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 653 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
566 } 654 }
567#endif 655#endif
568 656
596 break; 684 break;
597 685
598 case EIO_STAT: 686 case EIO_STAT:
599 case EIO_LSTAT: 687 case EIO_LSTAT:
600 case EIO_FSTAT: 688 case EIO_FSTAT:
601 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 689 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
690
602 PL_laststatval = req->result; 691 if (!(PL_laststatval = req->result))
603 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 692 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
604 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 693 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
694
605 PUSHs (sv_result); 695 PUSHs (sv_result);
696 break;
697
698 case EIO_SEEK:
699 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
606 break; 700 break;
607 701
608 case EIO_READ: 702 case EIO_READ:
609 { 703 {
610 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 704 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
613 SvSETMAGIC (req->sv2); 707 SvSETMAGIC (req->sv2);
614 PUSHs (sv_result); 708 PUSHs (sv_result);
615 } 709 }
616 break; 710 break;
617 711
712 case EIO_SLURP:
713 {
714 if (req->result >= 0)
715 {
716 /* if length was originally not known, we steal the malloc'ed memory */
717 if (req->flags & EIO_FLAG_PTR2_FREE)
718 {
719 req->flags &= ~EIO_FLAG_PTR2_FREE;
720 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
721 }
722 else
723 {
724 SvCUR_set (req->sv2, req->result);
725 *SvEND (req->sv2) = 0;
726 SvPOK_only (req->sv2);
727 }
728
729 SvSETMAGIC (req->sv2);
730 }
731
732 PUSHs (sv_result);
733 }
734 break;
735
736 case EIO_CUSTOM:
737 if (req->feed == fiemap)
738 {
739#if HAVE_FIEMAP
740 if (!req->result)
741 {
742 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
743
744 if (fiemap->fm_extent_count)
745 {
746 AV *av = newAV ();
747 int i;
748
749 while (fiemap->fm_mapped_extents)
750 {
751 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
752 AV *ext_av = newAV ();
753
754 av_store (ext_av, 3, newSVuv (extent->fe_flags));
755 av_store (ext_av, 2, newSVval64 (extent->fe_length));
756 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
757 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
758
759 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
760 }
761
762 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
763 }
764 else
765 {
766 SvIV_set (sv_result, fiemap->fm_mapped_extents);
767 PUSHs (sv_result);
768 }
769 }
770#endif
771 }
772 else
773 PUSHs (sv_result);
774 break;
775
618 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 776 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
619 if (req->result > 0) 777 if (req->result > 0)
620 SvIV_set (sv_result, 0); 778 SvIV_set (sv_result, 0);
621 /* FALLTHROUGH */ 779 /* FALLTHROUGH */
622 780
643 } 801 }
644 802
645 return !!SvTRUE (ERRSV); 803 return !!SvTRUE (ERRSV);
646} 804}
647 805
806static void
648static void req_destroy (aio_req req) 807req_destroy (aio_req req)
649{ 808{
650 if (req->self) 809 if (req->self)
651 { 810 {
652 sv_unmagic (req->self, PERL_MAGIC_ext); 811 sv_unmagic (req->self, PERL_MAGIC_ext);
653 SvREFCNT_dec (req->self); 812 SvREFCNT_dec (req->self);
654 } 813 }
655 814
656 SvREFCNT_dec (req->sv1); 815 SvREFCNT_dec (req->sv1);
657 SvREFCNT_dec (req->sv2); 816 SvREFCNT_dec (req->sv2);
817 SvREFCNT_dec (req->sv3);
818 SvREFCNT_dec (req->sv4);
658 SvREFCNT_dec (req->callback); 819 SvREFCNT_dec (req->callback);
659 820
660 Safefree (req); 821 free (req);
661} 822}
662 823
824static void
663static void req_cancel_subs (aio_req grp) 825req_cancel_subs (aio_req grp)
664{ 826{
665 if (grp->type != EIO_GROUP) 827 if (grp->type != EIO_GROUP)
666 return; 828 return;
667 829
668 SvREFCNT_dec (grp->sv2); 830 SvREFCNT_dec (grp->sv2);
669 grp->sv2 = 0; 831 grp->sv2 = 0;
670 832
671 eio_grp_cancel (grp); 833 eio_grp_cancel (grp);
672} 834}
673 835
836static void ecb_cold
674static void create_respipe (void) 837create_respipe (void)
675{ 838{
676 if (s_epipe_renew (&respipe)) 839 if (s_epipe_renew (&respipe))
677 croak ("IO::AIO: unable to initialize result pipe"); 840 croak ("IO::AIO: unable to initialize result pipe");
678} 841}
679 842
680static void poll_wait (void) 843static void
844poll_wait (void)
681{ 845{
682 while (eio_nreqs ()) 846 while (eio_nreqs ())
683 { 847 {
684 int size; 848 int size;
685 849
686 X_LOCK (reslock); 850 X_LOCK (EIO_POOL->reslock);
687 size = res_queue.size; 851 size = EIO_POOL->res_queue.size;
688 X_UNLOCK (reslock); 852 X_UNLOCK (EIO_POOL->reslock);
689 853
690 if (size) 854 if (size)
691 return; 855 return;
692 856
693 etp_maybe_start_thread (); 857 etp_maybe_start_thread (EIO_POOL);
694 858
695 s_epipe_wait (&respipe); 859 s_epipe_wait (&respipe);
696 } 860 }
697} 861}
698 862
699static int poll_cb (void) 863static int
864poll_cb (void)
700{ 865{
701 for (;;) 866 for (;;)
702 { 867 {
703 int res = eio_poll (); 868 int res = eio_poll ();
704 869
710 875
711 poll_wait (); 876 poll_wait ();
712 } 877 }
713} 878}
714 879
715static void atfork_child (void) 880static void ecb_cold
881reinit (void)
716{ 882{
717 create_respipe (); 883 create_respipe ();
884
885 if (eio_init (want_poll, done_poll) < 0)
886 croak ("IO::AIO: unable to initialise eio library");
718} 887}
719 888
720/*****************************************************************************/ 889/*****************************************************************************/
721 890
722#if !_POSIX_MAPPED_FILES 891static SV *
723# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
724# define munmap(addr,length) (errno = ENOSYS, -1)
725#endif
726
727#if !_POSIX_MEMORY_PROTECTION
728# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
729# define PROT_NONE 0
730# define PROT_WRITE 0
731# define MAP_PRIVATE 0
732# define MAP_SHARED 0
733# define MAP_FIXED 0
734#endif
735
736#define MMAP_MAGIC PERL_MAGIC_ext
737
738static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
739{
740 int old_errno = errno;
741 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742 errno = old_errno;
743
744 mg->mg_obj = 0; /* just in case */
745
746 SvREADONLY_off (sv);
747
748 if (SvPVX (sv) != mg->mg_ptr)
749 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
751 SvCUR_set (sv, 0);
752 SvPVX (sv) = 0;
753 SvOK_off (sv);
754
755 return 0;
756}
757
758static MGVTBL mmap_vtbl = {
759 0, 0, 0, 0, mmap_free
760};
761
762/*****************************************************************************/
763
764static SV * get_cb (SV *cb_sv) 892get_cb (SV *cb_sv)
765{ 893{
766 SvGETMAGIC (cb_sv); 894 SvGETMAGIC (cb_sv);
767 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 895 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768} 896}
769 897
898static aio_req ecb_noinline
899dreq (SV *callback)
900{
901 SV *cb_cv;
902 aio_req req;
903 int req_pri = next_pri;
904 next_pri = EIO_PRI_DEFAULT;
905
906 cb_cv = get_cb (callback);
907
908 req = calloc (sizeof (*req), 1);
909 if (!req)
910 croak ("out of memory during eio_req allocation");
911
912 req->callback = SvREFCNT_inc (cb_cv);
913 req->pri = req_pri;
914
915 return req;
916}
917
770#define dREQ \ 918#define dREQ \
771 SV *cb_cv; \ 919 aio_req req = dreq (callback); \
772 aio_req req; \
773 int req_pri = next_pri; \
774 next_pri = EIO_PRI_DEFAULT; \
775 \
776 cb_cv = get_cb (callback); \
777 \
778 Newz (0, req, 1, eio_req); \
779 if (!req) \
780 croak ("out of memory during eio_req allocation"); \
781 \
782 req->callback = SvREFCNT_inc (cb_cv); \
783 req->pri = req_pri
784 920
785#define REQ_SEND \ 921#define REQ_SEND \
786 PUTBACK; \ 922 PUTBACK; \
787 req_submit (req); \ 923 req_submit (req); \
788 SPAGAIN; \ 924 SPAGAIN; \
789 \ 925 \
790 if (GIMME_V != G_VOID) \ 926 if (GIMME_V != G_VOID) \
791 XPUSHs (req_sv (req, aio_req_stash)); 927 XPUSHs (req_sv (req, aio_req_stash));
792 928
929ecb_inline void
930req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
931{
932 if (expect_false (SvROK (path)))
933 {
934 SV *rv = SvRV (path);
935 SV *wdob;
936
937 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
938 {
939 path = AvARRAY (rv)[1];
940 wdob = AvARRAY (rv)[0];
941
942 if (SvOK (wdob))
943 {
944 *wd = SvAIO_WD (wdob);
945 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
946 }
947 else
948 *wd = EIO_INVALID_WD;
949 }
950 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
951 {
952 *wd = (aio_wd)(long)SvIVX (rv);
953 *wdsv = SvREFCNT_inc_NN (rv);
954 *ptr = ".";
955 return; /* path set to "." */
956 }
957 else
958 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
959 }
960
961 *pathsv = newSVsv (path);
962 *ptr = SvPVbyte_nolen (*pathsv);
963}
964
965static void ecb_noinline
966req_set_path1 (aio_req req, SV *path)
967{
968 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
969}
970
971static void ecb_noinline
972req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
973{
974 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
975
976 switch (SvTYPE (rv))
977 {
978 case SVt_PVIO:
979 case SVt_PVLV:
980 case SVt_PVGV:
981 req->type = type_fh;
982 req->sv1 = newSVsv (fh_or_path);
983 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
984 break;
985
986 default:
987 req->type = type_path;
988 req_set_path1 (req, fh_or_path);
989 break;
990 }
991}
992
993/*****************************************************************************/
994
995static void
996ts_set (struct timespec *ts, NV value)
997{
998 ts->tv_sec = value;
999 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1000}
1001
1002static NV
1003ts_get (const struct timespec *ts)
1004{
1005 return ts->tv_sec + ts->tv_nsec * 1e-9;
1006}
1007
1008/*****************************************************************************/
1009
1010XS(boot_IO__AIO) ecb_cold;
1011
793MODULE = IO::AIO PACKAGE = IO::AIO 1012MODULE = IO::AIO PACKAGE = IO::AIO
794 1013
795PROTOTYPES: ENABLE 1014PROTOTYPES: ENABLE
796 1015
797BOOT: 1016BOOT:
801 IV iv; 1020 IV iv;
802 } *civ, const_iv[] = { 1021 } *civ, const_iv[] = {
803# define const_niv(name, value) { # name, (IV) value }, 1022# define const_niv(name, value) { # name, (IV) value },
804# define const_iv(name) { # name, (IV) name }, 1023# define const_iv(name) { # name, (IV) name },
805# define const_eio(name) { # name, (IV) EIO_ ## name }, 1024# define const_eio(name) { # name, (IV) EIO_ ## name },
1025
1026 /* you have to re-run ./gendef0 after adding/removing any constants here */
1027 /* the first block can be undef if missing */
1028 const_iv (ENOSYS)
806 const_iv (EXDEV) 1029 const_iv (EXDEV)
807 const_iv (ENOSYS) 1030 const_iv (EBADR)
1031
1032 /* for lseek */
1033 const_iv (SEEK_DATA)
1034 const_iv (SEEK_HOLE)
1035
1036 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1037 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1038 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1039 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1040 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1041 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1042
1043 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1044 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1045 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1046 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1047 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1048
1049 /* the second block will be 0 when missing */
1050 const_iv (O_ACCMODE)
1051
808 const_iv (O_RDONLY) 1052 const_iv (O_RDONLY)
809 const_iv (O_WRONLY) 1053 const_iv (O_WRONLY)
810 const_iv (O_RDWR) 1054 const_iv (O_RDWR)
811 const_iv (O_CREAT) 1055 const_iv (O_CREAT)
812 const_iv (O_TRUNC) 1056 const_iv (O_TRUNC)
825 const_iv (O_SEARCH) 1069 const_iv (O_SEARCH)
826 const_iv (O_DIRECTORY) 1070 const_iv (O_DIRECTORY)
827 const_iv (O_DSYNC) 1071 const_iv (O_DSYNC)
828 const_iv (O_RSYNC) 1072 const_iv (O_RSYNC)
829 const_iv (O_SYNC) 1073 const_iv (O_SYNC)
1074 const_iv (O_PATH)
1075 const_iv (O_TMPFILE)
830 const_iv (O_TTY_INIT) 1076 const_iv (O_TTY_INIT)
831 1077
832 const_iv (S_IFIFO) 1078 const_iv (S_IFIFO)
833 const_iv (S_IFCHR) 1079 const_iv (S_IFCHR)
834 const_iv (S_IFBLK) 1080 const_iv (S_IFBLK)
836 const_iv (S_IFREG) 1082 const_iv (S_IFREG)
837 const_iv (S_IFDIR) 1083 const_iv (S_IFDIR)
838 const_iv (S_IFWHT) 1084 const_iv (S_IFWHT)
839 const_iv (S_IFSOCK) 1085 const_iv (S_IFSOCK)
840 const_iv (S_IFMT) 1086 const_iv (S_IFMT)
841
842 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
843 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
844 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
845 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
846 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
847 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
854 1087
855 const_iv (ST_RDONLY) 1088 const_iv (ST_RDONLY)
856 const_iv (ST_NOSUID) 1089 const_iv (ST_NOSUID)
857 const_iv (ST_NODEV) 1090 const_iv (ST_NODEV)
858 const_iv (ST_NOEXEC) 1091 const_iv (ST_NOEXEC)
868 const_iv (PROT_NONE) 1101 const_iv (PROT_NONE)
869 const_iv (PROT_EXEC) 1102 const_iv (PROT_EXEC)
870 const_iv (PROT_READ) 1103 const_iv (PROT_READ)
871 const_iv (PROT_WRITE) 1104 const_iv (PROT_WRITE)
872 1105
873 /*const_iv (MAP_FIXED)*/
874 const_iv (MAP_PRIVATE) 1106 const_iv (MAP_PRIVATE)
875 const_iv (MAP_SHARED) 1107 const_iv (MAP_SHARED)
1108 const_iv (MAP_FIXED)
876 const_iv (MAP_ANONYMOUS) 1109 const_iv (MAP_ANONYMOUS)
877 1110
878 /* linuxish */ 1111 /* linuxish */
879 const_iv (MAP_HUGETLB)
880 const_iv (MAP_LOCKED) 1112 const_iv (MAP_LOCKED)
881 const_iv (MAP_NORESERVE) 1113 const_iv (MAP_NORESERVE)
882 const_iv (MAP_POPULATE) 1114 const_iv (MAP_POPULATE)
883 const_iv (MAP_NONBLOCK) 1115 const_iv (MAP_NONBLOCK)
1116 const_iv (MAP_GROWSDOWN)
1117 const_iv (MAP_32BIT)
1118 const_iv (MAP_HUGETLB)
1119 const_iv (MAP_STACK)
1120
1121 const_iv (MREMAP_MAYMOVE)
1122 const_iv (MREMAP_FIXED)
1123
1124 const_iv (F_DUPFD_CLOEXEC)
1125
1126 const_iv (MSG_CMSG_CLOEXEC)
1127 const_iv (SOCK_CLOEXEC)
1128
1129 const_iv (F_OFD_GETLK)
1130 const_iv (F_OFD_SETLK)
1131 const_iv (F_OFD_GETLKW)
1132
1133 const_iv (FIFREEZE)
1134 const_iv (FITHAW)
1135 const_iv (FITRIM)
1136 const_iv (FICLONE)
1137 const_iv (FICLONERANGE)
1138 const_iv (FIDEDUPERANGE)
1139
1140 const_iv (FS_IOC_GETFLAGS)
1141 const_iv (FS_IOC_SETFLAGS)
1142 const_iv (FS_IOC_GETVERSION)
1143 const_iv (FS_IOC_SETVERSION)
1144 const_iv (FS_IOC_FIEMAP)
1145 const_iv (FS_IOC_FSGETXATTR)
1146 const_iv (FS_IOC_FSSETXATTR)
1147 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1148 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1149 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1150
1151 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1152
1153 const_iv (FS_SECRM_FL)
1154 const_iv (FS_UNRM_FL)
1155 const_iv (FS_COMPR_FL)
1156 const_iv (FS_SYNC_FL)
1157 const_iv (FS_IMMUTABLE_FL)
1158 const_iv (FS_APPEND_FL)
1159 const_iv (FS_NODUMP_FL)
1160 const_iv (FS_NOATIME_FL)
1161 const_iv (FS_DIRTY_FL)
1162 const_iv (FS_COMPRBLK_FL)
1163 const_iv (FS_NOCOMP_FL)
1164 const_iv (FS_ENCRYPT_FL)
1165 const_iv (FS_BTREE_FL)
1166 const_iv (FS_INDEX_FL)
1167 const_iv (FS_JOURNAL_DATA_FL)
1168 const_iv (FS_NOTAIL_FL)
1169 const_iv (FS_DIRSYNC_FL)
1170 const_iv (FS_TOPDIR_FL)
1171 const_iv (FS_FL_USER_MODIFIABLE)
1172
1173 const_iv (FS_XFLAG_REALTIME)
1174 const_iv (FS_XFLAG_PREALLOC)
1175 const_iv (FS_XFLAG_IMMUTABLE)
1176 const_iv (FS_XFLAG_APPEND)
1177 const_iv (FS_XFLAG_SYNC)
1178 const_iv (FS_XFLAG_NOATIME)
1179 const_iv (FS_XFLAG_NODUMP)
1180 const_iv (FS_XFLAG_RTINHERIT)
1181 const_iv (FS_XFLAG_PROJINHERIT)
1182 const_iv (FS_XFLAG_NOSYMLINKS)
1183 const_iv (FS_XFLAG_EXTSIZE)
1184 const_iv (FS_XFLAG_EXTSZINHERIT)
1185 const_iv (FS_XFLAG_NODEFRAG)
1186 const_iv (FS_XFLAG_FILESTREAM)
1187 const_iv (FS_XFLAG_DAX)
1188 const_iv (FS_XFLAG_HASATTR)
1189
1190 const_iv (FIEMAP_FLAG_SYNC)
1191 const_iv (FIEMAP_FLAG_XATTR)
1192 const_iv (FIEMAP_FLAGS_COMPAT)
1193 const_iv (FIEMAP_EXTENT_LAST)
1194 const_iv (FIEMAP_EXTENT_UNKNOWN)
1195 const_iv (FIEMAP_EXTENT_DELALLOC)
1196 const_iv (FIEMAP_EXTENT_ENCODED)
1197 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1198 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1199 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1200 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1201 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1202 const_iv (FIEMAP_EXTENT_MERGED)
1203 const_iv (FIEMAP_EXTENT_SHARED)
1204
1205 const_iv (SPLICE_F_MOVE)
1206 const_iv (SPLICE_F_NONBLOCK)
1207 const_iv (SPLICE_F_MORE)
1208 const_iv (SPLICE_F_GIFT)
1209
1210 const_iv (EFD_CLOEXEC)
1211 const_iv (EFD_NONBLOCK)
1212 const_iv (EFD_SEMAPHORE)
1213
1214 const_iv (CLOCK_REALTIME)
1215 const_iv (CLOCK_MONOTONIC)
1216 const_iv (CLOCK_BOOTTIME)
1217 const_iv (CLOCK_REALTIME_ALARM)
1218 const_iv (CLOCK_BOOTTIME_ALARM)
1219
1220 const_iv (TFD_NONBLOCK)
1221 const_iv (TFD_CLOEXEC)
1222
1223 const_iv (TFD_TIMER_ABSTIME)
1224 const_iv (TFD_TIMER_CANCEL_ON_SET)
1225
1226 /* these are libeio constants, and are independent of gendef0 */
1227 const_eio (SEEK_SET)
1228 const_eio (SEEK_CUR)
1229 const_eio (SEEK_END)
884 1230
885 const_eio (MCL_FUTURE) 1231 const_eio (MCL_FUTURE)
886 const_eio (MCL_CURRENT) 1232 const_eio (MCL_CURRENT)
887 1233
888 const_eio (MS_ASYNC) 1234 const_eio (MS_ASYNC)
894 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1240 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895 const_eio (SYNC_FILE_RANGE_WRITE) 1241 const_eio (SYNC_FILE_RANGE_WRITE)
896 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1242 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897 1243
898 const_eio (FALLOC_FL_KEEP_SIZE) 1244 const_eio (FALLOC_FL_KEEP_SIZE)
1245 const_eio (FALLOC_FL_PUNCH_HOLE)
1246 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1247 const_eio (FALLOC_FL_ZERO_RANGE)
1248 const_eio (FALLOC_FL_INSERT_RANGE)
1249 const_eio (FALLOC_FL_UNSHARE_RANGE)
1250
1251 const_eio (RENAME_NOREPLACE)
1252 const_eio (RENAME_EXCHANGE)
1253 const_eio (RENAME_WHITEOUT)
899 1254
900 const_eio (READDIR_DENTS) 1255 const_eio (READDIR_DENTS)
901 const_eio (READDIR_DIRS_FIRST) 1256 const_eio (READDIR_DIRS_FIRST)
902 const_eio (READDIR_STAT_ORDER) 1257 const_eio (READDIR_STAT_ORDER)
903 const_eio (READDIR_FOUND_UNKNOWN) 1258 const_eio (READDIR_FOUND_UNKNOWN)
914 }; 1269 };
915 1270
916 aio_stash = gv_stashpv ("IO::AIO" , 1); 1271 aio_stash = gv_stashpv ("IO::AIO" , 1);
917 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1272 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1273 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1274 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
919 1275
920 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1276 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
921 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1277 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922 1278
923 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1279 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924 1280
925 create_respipe (); 1281 reinit ();
926
927 if (eio_init (want_poll, done_poll) < 0)
928 croak ("IO::AIO: unable to initialise eio library");
929
930 /* atfork child called in fifo order, so before eio's handler */
931 X_THREAD_ATFORK (0, 0, atfork_child);
932} 1282}
1283
1284void
1285reinit ()
1286 PROTOTYPE:
933 1287
934void 1288void
935max_poll_reqs (unsigned int nreqs) 1289max_poll_reqs (unsigned int nreqs)
936 PROTOTYPE: $ 1290 PROTOTYPE: $
937 CODE: 1291 CODE:
972 PROTOTYPE: $ 1326 PROTOTYPE: $
973 CODE: 1327 CODE:
974 max_outstanding = maxreqs; 1328 max_outstanding = maxreqs;
975 1329
976void 1330void
977aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1331aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
978 PPCODE: 1332 PPCODE:
979{ 1333{
980 dREQ; 1334 dREQ;
981 1335
1336 req->type = EIO_WD_OPEN;
1337 req_set_path1 (req, pathname);
1338
1339 REQ_SEND;
1340}
1341
1342void
1343aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1344 PPCODE:
1345{
1346 dREQ;
1347
982 req->type = EIO_OPEN; 1348 req->type = EIO_OPEN;
983 req->sv1 = newSVsv (pathname); 1349 req_set_path1 (req, pathname);
984 req->ptr1 = SvPVbyte_nolen (req->sv1);
985 req->int1 = flags; 1350 req->int1 = flags;
986 req->int2 = mode; 1351 req->int2 = mode;
987 1352
988 REQ_SEND; 1353 REQ_SEND;
989} 1354}
990 1355
991void 1356void
992aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1357aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
993 ALIAS: 1358 ALIAS:
994 aio_fsync = EIO_FSYNC 1359 aio_fsync = EIO_FSYNC
995 aio_fdatasync = EIO_FDATASYNC 1360 aio_fdatasync = EIO_FDATASYNC
1361 aio_syncfs = EIO_SYNCFS
996 PPCODE: 1362 PPCODE:
997{ 1363{
998 int fd = s_fileno_croak (fh, 0); 1364 int fd = s_fileno_croak (fh, 0);
999 dREQ; 1365 dREQ;
1000 1366
1001 req->type = ix; 1367 req->type = ix;
1002 req->sv1 = newSVsv (fh); 1368 req->sv1 = newSVsv (fh);
1003 req->int1 = fd; 1369 req->int1 = fd;
1004 1370
1005 REQ_SEND (req); 1371 REQ_SEND;
1006} 1372}
1007 1373
1008void 1374void
1009aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1375aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1010 PPCODE: 1376 PPCODE:
1011{ 1377{
1012 int fd = s_fileno_croak (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
1013 dREQ; 1379 dREQ;
1014 1380
1015 req->type = EIO_SYNC_FILE_RANGE; 1381 req->type = EIO_SYNC_FILE_RANGE;
1016 req->sv1 = newSVsv (fh); 1382 req->sv1 = newSVsv (fh);
1017 req->int1 = fd; 1383 req->int1 = fd;
1018 req->offs = offset; 1384 req->offs = offset;
1019 req->size = nbytes; 1385 req->size = nbytes;
1020 req->int2 = flags; 1386 req->int2 = flags;
1021 1387
1022 REQ_SEND (req); 1388 REQ_SEND;
1023} 1389}
1024 1390
1025void 1391void
1026aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1392aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1027 PPCODE: 1393 PPCODE:
1028{ 1394{
1029 int fd = s_fileno_croak (fh, 0); 1395 int fd = s_fileno_croak (fh, 0);
1030 dREQ; 1396 dREQ;
1031 1397
1032 req->type = EIO_FALLOCATE; 1398 req->type = EIO_FALLOCATE;
1033 req->sv1 = newSVsv (fh); 1399 req->sv1 = newSVsv (fh);
1034 req->int1 = fd; 1400 req->int1 = fd;
1035 req->int2 = mode; 1401 req->int2 = mode;
1036 req->offs = offset; 1402 req->offs = offset;
1037 req->size = len; 1403 req->size = len;
1038 1404
1039 REQ_SEND (req); 1405 REQ_SEND;
1040} 1406}
1041 1407
1042void 1408void
1043aio_close (SV *fh, SV *callback=&PL_sv_undef) 1409aio_close (SV *fh, SV *callback = &PL_sv_undef)
1044 PPCODE: 1410 PPCODE:
1045{ 1411{
1046 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1412 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1047 int fd = s_fileno_croak (fh, 0); 1413 int fd = s_fileno_croak (fh, 0);
1048 dREQ; 1414 dREQ;
1049 1415
1050 if (expect_false (close_fd < 0)) 1416 if (expect_false (close_fd < 0))
1051 { 1417 {
1052 int pipefd [2]; 1418 int pipefd [2];
1068 req->type = EIO_DUP2; 1434 req->type = EIO_DUP2;
1069 req->int1 = close_fd; 1435 req->int1 = close_fd;
1070 req->sv2 = newSVsv (fh); 1436 req->sv2 = newSVsv (fh);
1071 req->int2 = fd; 1437 req->int2 = fd;
1072 1438
1073 REQ_SEND (req); 1439 REQ_SEND;
1074} 1440}
1075 1441
1076void 1442void
1443aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1444 PPCODE:
1445{
1446 int fd = s_fileno_croak (fh, 0);
1447 dREQ;
1448
1449 req->type = EIO_SEEK;
1450 req->sv1 = newSVsv (fh);
1451 req->int1 = fd;
1452 req->offs = SvVAL64 (offset);
1453 req->int2 = whence;
1454
1455 REQ_SEND;
1456}
1457
1458void
1077aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1459aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1078 ALIAS: 1460 ALIAS:
1079 aio_read = EIO_READ 1461 aio_read = EIO_READ
1080 aio_write = EIO_WRITE 1462 aio_write = EIO_WRITE
1081 PPCODE: 1463 PPCODE:
1082{ 1464{
1098 len = svlen - dataoffset; 1480 len = svlen - dataoffset;
1099 } 1481 }
1100 else 1482 else
1101 { 1483 {
1102 /* read: check type and grow scalar as necessary */ 1484 /* read: check type and grow scalar as necessary */
1103 SvUPGRADE (data, SVt_PV); 1485 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1104 svptr = SvGROW (data, len + dataoffset + 1); 1486 svptr = sv_grow (data, len + dataoffset + 1);
1487 else if (SvCUR (data) < len + dataoffset)
1488 croak ("length + dataoffset outside of scalar, and cannot grow");
1105 } 1489 }
1106 1490
1107 { 1491 {
1108 dREQ; 1492 dREQ;
1109 1493
1125 REQ_SEND; 1509 REQ_SEND;
1126 } 1510 }
1127} 1511}
1128 1512
1129void 1513void
1514aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1515 ALIAS:
1516 aio_ioctl = EIO_IOCTL
1517 aio_fcntl = EIO_FCNTL
1518 PPCODE:
1519{
1520 int fd = s_fileno_croak (fh, 0);
1521 char *svptr;
1522
1523 if (SvPOK (arg) || !SvNIOK (arg))
1524 {
1525 STRLEN svlen;
1526 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1527#ifdef IOCPARM_LEN
1528 STRLEN need = IOCPARM_LEN (request);
1529#else
1530 STRLEN need = 256;
1531#endif
1532
1533 if (svlen < need)
1534 svptr = SvGROW (arg, need);
1535 }
1536 else
1537 svptr = (char *)SvIV (arg);
1538
1539 {
1540 dREQ;
1541
1542 req->type = ix;
1543 req->sv1 = newSVsv (fh);
1544 req->int1 = fd;
1545 req->int2 = (long)request;
1546 req->sv2 = SvREFCNT_inc (arg);
1547 req->ptr2 = svptr;
1548
1549 REQ_SEND;
1550 }
1551}
1552
1553void
1130aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1554aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1131 ALIAS: 1555 ALIAS:
1132 aio_readlink = EIO_READLINK 1556 aio_readlink = EIO_READLINK
1133 aio_realpath = EIO_REALPATH 1557 aio_realpath = EIO_REALPATH
1134 PPCODE: 1558 PPCODE:
1135{ 1559{
1136 dREQ; 1560 dREQ;
1137 1561
1138 req->type = ix; 1562 req->type = ix;
1139 req->sv1 = newSVsv (path); 1563 req_set_path1 (req, pathname);
1140 req->ptr1 = SvPVbyte_nolen (req->sv1);
1141 1564
1142 REQ_SEND; 1565 REQ_SEND;
1143} 1566}
1144 1567
1145void 1568void
1146aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1569aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1147 PPCODE: 1570 PPCODE:
1148{ 1571{
1149 int ifd = s_fileno_croak (in_fh , 0); 1572 int ifd = s_fileno_croak (in_fh , 0);
1150 int ofd = s_fileno_croak (out_fh, 1); 1573 int ofd = s_fileno_croak (out_fh, 1);
1151 dREQ; 1574 dREQ;
1152 1575
1153 req->type = EIO_SENDFILE; 1576 req->type = EIO_SENDFILE;
1154 req->sv1 = newSVsv (out_fh); 1577 req->sv1 = newSVsv (out_fh);
1155 req->int1 = ofd; 1578 req->int1 = ofd;
1160 1583
1161 REQ_SEND; 1584 REQ_SEND;
1162} 1585}
1163 1586
1164void 1587void
1165aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1588aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1166 PPCODE: 1589 PPCODE:
1167{ 1590{
1168 int fd = s_fileno_croak (fh, 0); 1591 int fd = s_fileno_croak (fh, 0);
1169 dREQ; 1592 dREQ;
1170 1593
1171 req->type = EIO_READAHEAD; 1594 req->type = EIO_READAHEAD;
1172 req->sv1 = newSVsv (fh); 1595 req->sv1 = newSVsv (fh);
1173 req->int1 = fd; 1596 req->int1 = fd;
1176 1599
1177 REQ_SEND; 1600 REQ_SEND;
1178} 1601}
1179 1602
1180void 1603void
1181aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1604aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1182 ALIAS: 1605 ALIAS:
1183 aio_stat = EIO_STAT 1606 aio_stat = EIO_STAT
1184 aio_lstat = EIO_LSTAT 1607 aio_lstat = EIO_LSTAT
1185 aio_statvfs = EIO_STATVFS 1608 aio_statvfs = EIO_STATVFS
1186 PPCODE: 1609 PPCODE:
1187{ 1610{
1188 dREQ; 1611 dREQ;
1189 1612
1190 req->sv1 = newSVsv (fh_or_path); 1613 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1191
1192 if (SvPOK (req->sv1))
1193 {
1194 req->type = ix;
1195 req->ptr1 = SvPVbyte_nolen (req->sv1);
1196 }
1197 else
1198 {
1199 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1200 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201 }
1202 1614
1203 REQ_SEND; 1615 REQ_SEND;
1204} 1616}
1205 1617
1206UV 1618UV
1207major (UV dev) 1619major (UV dev)
1208 ALIAS: 1620 ALIAS:
1209 minor = 1 1621 minor = 1
1210 CODE: 1622 CODE:
1211 RETVAL = ix ? major (dev) : minor (dev); 1623 RETVAL = ix ? minor (dev) : major (dev);
1212 OUTPUT: 1624 OUTPUT:
1213 RETVAL 1625 RETVAL
1214 1626
1215UV 1627UV
1216makedev (UV maj, UV min) 1628makedev (UV maj, UV min)
1218 RETVAL = makedev (maj, min); 1630 RETVAL = makedev (maj, min);
1219 OUTPUT: 1631 OUTPUT:
1220 RETVAL 1632 RETVAL
1221 1633
1222void 1634void
1223aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1635aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1224 PPCODE: 1636 PPCODE:
1225{ 1637{
1226 dREQ; 1638 dREQ;
1227 1639
1228 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1640 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1641 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230 req->sv1 = newSVsv (fh_or_path); 1642 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1231
1232 if (SvPOK (req->sv1))
1233 {
1234 req->type = EIO_UTIME;
1235 req->ptr1 = SvPVbyte_nolen (req->sv1);
1236 }
1237 else
1238 {
1239 req->type = EIO_FUTIME;
1240 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241 }
1242 1643
1243 REQ_SEND; 1644 REQ_SEND;
1244} 1645}
1245 1646
1246void 1647void
1247aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1648aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1248 PPCODE: 1649 PPCODE:
1249{ 1650{
1250 dREQ; 1651 dREQ;
1251 1652
1252 req->sv1 = newSVsv (fh_or_path);
1253 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1653 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254 1654 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1255 if (SvPOK (req->sv1))
1256 {
1257 req->type = EIO_TRUNCATE;
1258 req->ptr1 = SvPVbyte_nolen (req->sv1);
1259 }
1260 else
1261 {
1262 req->type = EIO_FTRUNCATE;
1263 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1264 }
1265 1655
1266 REQ_SEND; 1656 REQ_SEND;
1267} 1657}
1268 1658
1269void 1659void
1270aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1660aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1271 ALIAS:
1272 aio_chmod = EIO_CHMOD
1273 aio_mkdir = EIO_MKDIR
1274 PPCODE: 1661 PPCODE:
1275{ 1662{
1276 dREQ; 1663 dREQ;
1277 1664
1278 req->int2 = mode; 1665 req->int2 = mode;
1279 req->sv1 = newSVsv (fh_or_path); 1666 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1280
1281 if (SvPOK (req->sv1))
1282 {
1283 req->type = ix;
1284 req->ptr1 = SvPVbyte_nolen (req->sv1);
1285 }
1286 else
1287 {
1288 req->type = EIO_FCHMOD;
1289 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1290 }
1291 1667
1292 REQ_SEND; 1668 REQ_SEND;
1293} 1669}
1294 1670
1295void 1671void
1296aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1672aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1297 PPCODE: 1673 PPCODE:
1298{ 1674{
1299 dREQ; 1675 dREQ;
1300 1676
1301 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1677 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1678 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303 req->sv1 = newSVsv (fh_or_path); 1679 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1304
1305 if (SvPOK (req->sv1))
1306 {
1307 req->type = EIO_CHOWN;
1308 req->ptr1 = SvPVbyte_nolen (req->sv1);
1309 }
1310 else
1311 {
1312 req->type = EIO_FCHOWN;
1313 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1314 }
1315 1680
1316 REQ_SEND; 1681 REQ_SEND;
1317} 1682}
1318 1683
1319void 1684void
1320aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1685aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1321 PPCODE: 1686 PPCODE:
1322{ 1687{
1323 dREQ; 1688 dREQ;
1324 1689
1325 req->type = EIO_READDIR; 1690 req->type = EIO_READDIR;
1326 req->sv1 = newSVsv (pathname);
1327 req->ptr1 = SvPVbyte_nolen (req->sv1);
1328 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1691 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329 1692
1330 if (flags & EIO_READDIR_DENTS) 1693 if (flags & EIO_READDIR_DENTS)
1331 req->int1 |= EIO_READDIR_CUSTOM2; 1694 req->int1 |= EIO_READDIR_CUSTOM2;
1332 1695
1696 req_set_path1 (req, pathname);
1697
1333 REQ_SEND; 1698 REQ_SEND;
1334} 1699}
1335 1700
1336void 1701void
1702aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1703 PPCODE:
1704{
1705 dREQ;
1706
1707 req->type = EIO_MKDIR;
1708 req->int2 = mode;
1709 req_set_path1 (req, pathname);
1710
1711 REQ_SEND;
1712}
1713
1714void
1337aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1715aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1338 ALIAS: 1716 ALIAS:
1339 aio_unlink = EIO_UNLINK 1717 aio_unlink = EIO_UNLINK
1340 aio_rmdir = EIO_RMDIR 1718 aio_rmdir = EIO_RMDIR
1341 aio_readdir = EIO_READDIR 1719 aio_readdir = EIO_READDIR
1342 PPCODE: 1720 PPCODE:
1343{ 1721{
1344 dREQ; 1722 dREQ;
1345 1723
1346 req->type = ix; 1724 req->type = ix;
1347 req->sv1 = newSVsv (pathname); 1725 req_set_path1 (req, pathname);
1348 req->ptr1 = SvPVbyte_nolen (req->sv1);
1349 1726
1350 REQ_SEND; 1727 REQ_SEND;
1351} 1728}
1352 1729
1353void 1730void
1354aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1731aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1355 ALIAS: 1732 ALIAS:
1356 aio_link = EIO_LINK 1733 aio_link = EIO_LINK
1357 aio_symlink = EIO_SYMLINK 1734 aio_symlink = EIO_SYMLINK
1358 aio_rename = EIO_RENAME 1735 aio_rename = EIO_RENAME
1359 PPCODE: 1736 PPCODE:
1360{ 1737{
1738 eio_wd wd2 = 0;
1361 dREQ; 1739 dREQ;
1362 1740
1363 req->type = ix; 1741 req->type = ix;
1364 req->sv1 = newSVsv (oldpath); 1742 req_set_path1 (req, oldpath);
1365 req->ptr1 = SvPVbyte_nolen (req->sv1); 1743 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366 req->sv2 = newSVsv (newpath); 1744 req->int3 = (long)wd2;
1367 req->ptr2 = SvPVbyte_nolen (req->sv2);
1368 1745
1369 REQ_SEND; 1746 REQ_SEND;
1370} 1747}
1371 1748
1372void 1749void
1750aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1751 PPCODE:
1752{
1753 eio_wd wd2 = 0;
1754 dREQ;
1755
1756 req->type = EIO_RENAME;
1757 req_set_path1 (req, oldpath);
1758 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1759 req->int2 = flags;
1760 req->int3 = (long)wd2;
1761
1762 REQ_SEND;
1763}
1764
1765void
1373aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1766aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1374 PPCODE: 1767 PPCODE:
1375{ 1768{
1376 dREQ; 1769 dREQ;
1377 1770
1378 req->type = EIO_MKNOD; 1771 req->type = EIO_MKNOD;
1379 req->sv1 = newSVsv (pathname);
1380 req->ptr1 = SvPVbyte_nolen (req->sv1);
1381 req->int2 = (mode_t)mode; 1772 req->int2 = (mode_t)mode;
1382 req->offs = dev; 1773 req->offs = dev;
1774 req_set_path1 (req, pathname);
1383 1775
1384 REQ_SEND; 1776 REQ_SEND;
1385} 1777}
1386 1778
1387void 1779void
1388aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1780aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1389 ALIAS: 1781 ALIAS:
1390 aio_mtouch = EIO_MTOUCH 1782 aio_mtouch = EIO_MTOUCH
1391 aio_msync = EIO_MSYNC 1783 aio_msync = EIO_MSYNC
1392 PPCODE: 1784 PPCODE:
1393{ 1785{
1394 STRLEN svlen; 1786 STRLEN svlen;
1395 char *svptr = SvPVbyte (data, svlen); 1787 char *svptr = SvPVbyte (data, svlen);
1396 UV len = SvUV (length); 1788 UV len = SvUV (length);
1789
1790 if (flags < 0)
1791 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1397 1792
1398 if (offset < 0) 1793 if (offset < 0)
1399 offset += svlen; 1794 offset += svlen;
1400 1795
1401 if (offset < 0 || offset > svlen) 1796 if (offset < 0 || offset > svlen)
1416 REQ_SEND; 1811 REQ_SEND;
1417 } 1812 }
1418} 1813}
1419 1814
1420void 1815void
1421aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1816aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1422 PPCODE: 1817 PPCODE:
1423{ 1818{
1424 STRLEN svlen; 1819 STRLEN svlen;
1425 char *svptr = SvPVbyte (data, svlen); 1820 char *svptr = SvPVbyte (data, svlen);
1426 UV len = SvUV (length); 1821 UV len = SvUV (length);
1445 REQ_SEND; 1840 REQ_SEND;
1446 } 1841 }
1447} 1842}
1448 1843
1449void 1844void
1450aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1845aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1451 PPCODE: 1846 PPCODE:
1452{ 1847{
1453 dREQ; 1848 dREQ;
1454 1849
1455 req->type = EIO_MLOCKALL; 1850 req->type = EIO_MLOCKALL;
1457 1852
1458 REQ_SEND; 1853 REQ_SEND;
1459} 1854}
1460 1855
1461void 1856void
1857aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1858 PPCODE:
1859{
1860 int fd = s_fileno_croak (fh, 0);
1861 dREQ;
1862
1863 req->type = EIO_CUSTOM;
1864 req->sv1 = newSVsv (fh);
1865 req->int1 = fd;
1866
1867 req->feed = fiemap;
1868#if HAVE_FIEMAP
1869 /* keep our fingers crossed that the next two types are 64 bit */
1870 req->offs = start;
1871 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1872 req->int2 = flags;
1873 req->int3 = SvOK (count) ? SvIV (count) : -1;
1874#endif
1875
1876 REQ_SEND;
1877}
1878
1879void
1880aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1881 PPCODE:
1882{
1883 char *svptr = 0;
1884
1885 sv_clear_foreign (data);
1886
1887 if (length) /* known length, directly read into scalar */
1888 {
1889 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1890 svptr = sv_grow (data, length + 1);
1891 else if (SvCUR (data) < length)
1892 croak ("length outside of scalar, and cannot grow");
1893 else
1894 svptr = SvPVbyte_nolen (data);
1895 }
1896
1897 {
1898 dREQ;
1899
1900 req->type = EIO_SLURP;
1901 req_set_path1 (req, pathname);
1902 req->offs = offset;
1903 req->size = length;
1904 req->sv2 = SvREFCNT_inc (data);
1905 req->ptr2 = svptr;
1906
1907 if (!SvREADONLY (data))
1908 {
1909 SvREADONLY_on (data);
1910 req->flags |= FLAG_SV2_RO_OFF;
1911 }
1912
1913 REQ_SEND;
1914 }
1915}
1916
1917void
1462aio_busy (double delay, SV *callback=&PL_sv_undef) 1918aio_busy (double delay, SV *callback = &PL_sv_undef)
1463 PPCODE: 1919 PPCODE:
1464{ 1920{
1465 dREQ; 1921 dREQ;
1466 1922
1467 req->type = EIO_BUSY; 1923 req->type = EIO_BUSY;
1469 1925
1470 REQ_SEND; 1926 REQ_SEND;
1471} 1927}
1472 1928
1473void 1929void
1474aio_group (SV *callback=&PL_sv_undef) 1930aio_group (SV *callback = &PL_sv_undef)
1475 PPCODE: 1931 PPCODE:
1476{ 1932{
1477 dREQ; 1933 dREQ;
1478 1934
1479 req->type = EIO_GROUP; 1935 req->type = EIO_GROUP;
1480 1936
1937 PUTBACK;
1481 req_submit (req); 1938 req_submit (req);
1939 SPAGAIN;
1940
1482 XPUSHs (req_sv (req, aio_grp_stash)); 1941 XPUSHs (req_sv (req, aio_grp_stash));
1483} 1942}
1484 1943
1485void 1944void
1486aio_nop (SV *callback=&PL_sv_undef) 1945aio_nop (SV *callback = &PL_sv_undef)
1487 ALIAS: 1946 ALIAS:
1488 aio_nop = EIO_NOP 1947 aio_nop = EIO_NOP
1489 aio_sync = EIO_SYNC 1948 aio_sync = EIO_SYNC
1490 PPCODE: 1949 PPCODE:
1491{ 1950{
1495 1954
1496 REQ_SEND; 1955 REQ_SEND;
1497} 1956}
1498 1957
1499int 1958int
1500aioreq_pri (int pri = 0) 1959aioreq_pri (int pri = NO_INIT)
1501 CODE: 1960 CODE:
1502 RETVAL = next_pri; 1961 RETVAL = next_pri;
1503 if (items > 0) 1962 if (items > 0)
1504 { 1963 {
1505 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1964 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1587 CODE: 2046 CODE:
1588 RETVAL = posix_fadvise (fh, offset, length, advice); 2047 RETVAL = posix_fadvise (fh, offset, length, advice);
1589 OUTPUT: 2048 OUTPUT:
1590 RETVAL 2049 RETVAL
1591 2050
1592ssize_t 2051IV
1593sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2052sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594 CODE: 2053 CODE:
1595 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2054 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596 OUTPUT: 2055 OUTPUT:
1597 RETVAL 2056 RETVAL
1598 2057
1599void 2058void
1600mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2059mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1601 PPCODE: 2060 PPCODE:
1602 sv_unmagic (scalar, MMAP_MAGIC); 2061 sv_clear_foreign (scalar);
1603{ 2062{
1604 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2063 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1605 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2064 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1606 if (addr == (void *)-1) 2065 if (addr == (void *)-1)
1607 XSRETURN_NO; 2066 XSRETURN_NO;
1608 2067
1609 sv_force_normal (scalar); 2068 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1610
1611 /* we store the length in mg_obj, as namlen is I32 :/ */
1612 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1613 ->mg_obj = (SV *)length;
1614
1615 SvUPGRADE (scalar, SVt_PV); /* nop... */
1616 2069
1617 if (!(prot & PROT_WRITE)) 2070 if (!(prot & PROT_WRITE))
1618 SvREADONLY_on (scalar); 2071 SvREADONLY_on (scalar);
1619 2072
1620 if (SvLEN (scalar))
1621 Safefree (SvPVX (scalar));
1622
1623 SvPVX (scalar) = (char *)addr;
1624 SvCUR_set (scalar, length);
1625 SvLEN_set (scalar, 0);
1626 SvPOK_only (scalar);
1627
1628 XSRETURN_YES; 2073 XSRETURN_YES;
1629} 2074}
1630 2075
1631void 2076void
1632munmap (SV *scalar) 2077munmap (SV *scalar)
1633 CODE: 2078 CODE:
1634 sv_unmagic (scalar, MMAP_MAGIC); 2079 sv_clear_foreign (scalar);
2080
2081SV *
2082mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2083 CODE:
2084{
2085 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2086 void *new;
2087
2088 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2089 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2090
2091 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2092
2093 RETVAL = &PL_sv_no;
2094
2095 if (new != (void *)-1)
2096 {
2097 RETVAL = new == (void *)mg->mg_ptr
2098 ? newSVpvn ("0 but true", 10)
2099 : &PL_sv_yes;
2100
2101 mg->mg_ptr = (char *)new;
2102 mg->mg_obj = (SV *)new_length;
2103
2104 SvPVX (scalar) = mg->mg_ptr;
2105 SvCUR_set (scalar, new_length);
2106 }
2107}
2108 OUTPUT:
2109 RETVAL
1635 2110
1636int 2111int
1637madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2112madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1638 ALIAS: 2113 ALIAS:
1639 mprotect = 1 2114 mprotect = 1
1640 CODE: 2115 CODE:
1641{ 2116{
1642 STRLEN svlen; 2117 STRLEN svlen;
1643 void *addr = SvPVbyte (scalar, svlen); 2118 void *addr = SvPVbyte (scalar, svlen);
1644 size_t len = SvUV (length); 2119 STRLEN len = SvUV (length);
1645 2120
1646 if (offset < 0) 2121 if (offset < 0)
1647 offset += svlen; 2122 offset += svlen;
1648 2123
1649 if (offset < 0 || offset > svlen) 2124 if (offset < 0 || offset > svlen)
1663} 2138}
1664 OUTPUT: 2139 OUTPUT:
1665 RETVAL 2140 RETVAL
1666 2141
1667int 2142int
1668munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2143munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1669 CODE: 2144 CODE:
1670{ 2145{
1671 STRLEN svlen; 2146 STRLEN svlen;
1672 void *addr = SvPVbyte (scalar, svlen); 2147 void *addr = SvPVbyte (scalar, svlen);
1673 size_t len = SvUV (length); 2148 size_t len = SvUV (length);
1674 2149
1675 if (offset < 0) 2150 if (offset < 0)
1676 offset += svlen; 2151 offset += svlen;
1677 2152
1684 addr = (void *)(((intptr_t)addr) + offset); 2159 addr = (void *)(((intptr_t)addr) + offset);
1685 eio_page_align (&addr, &len); 2160 eio_page_align (&addr, &len);
1686#if _POSIX_MEMLOCK_RANGE 2161#if _POSIX_MEMLOCK_RANGE
1687 RETVAL = munlock (addr, len); 2162 RETVAL = munlock (addr, len);
1688#else 2163#else
1689 RETVAL = ((errno = ENOSYS), -1); 2164 RETVAL = EIO_ENOSYS ();
1690#endif 2165#endif
1691} 2166}
1692 OUTPUT: 2167 OUTPUT:
1693 RETVAL 2168 RETVAL
1694 2169
1696munlockall () 2171munlockall ()
1697 CODE: 2172 CODE:
1698#if _POSIX_MEMLOCK 2173#if _POSIX_MEMLOCK
1699 munlockall (); 2174 munlockall ();
1700#else 2175#else
1701 RETVAL = -1; 2176 RETVAL = EIO_ENOSYS ();
1702 errno = ENOSYS;
1703#endif 2177#endif
1704 OUTPUT: 2178 OUTPUT:
1705 RETVAL 2179 RETVAL
2180
2181int
2182splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2183 CODE:
2184{
2185#if HAVE_LINUX_SPLICE
2186 loff_t off_in_, off_out_;
2187 RETVAL = splice (
2188 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2189 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2190 length, flags
2191 );
2192#else
2193 RETVAL = EIO_ENOSYS ();
2194#endif
2195}
2196 OUTPUT:
2197 RETVAL
2198
2199int
2200tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2201 CODE:
2202#if HAVE_LINUX_SPLICE
2203 RETVAL = tee (rfh, wfh, length, flags);
2204#else
2205 RETVAL = EIO_ENOSYS ();
2206#endif
2207 OUTPUT:
2208 RETVAL
2209
2210int
2211pipesize (aio_rfd rfh, int new_size = -1)
2212 PROTOTYPE: $;$
2213 CODE:
2214#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2215 if (new_size >= 0)
2216 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2217 else
2218 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2219#else
2220 errno = ENOSYS;
2221 RETVAL = -1;
2222#endif
2223 OUTPUT:
2224 RETVAL
2225
2226void
2227pipe2 (int flags = 0)
2228 PROTOTYPE: ;$
2229 PPCODE:
2230{
2231 int fd[2];
2232 int res;
2233
2234 if (flags)
2235#if HAVE_PIPE2
2236 res = pipe2 (fd, flags);
2237#else
2238 res = (errno = ENOSYS, -1);
2239#endif
2240 else
2241 res = pipe (fd);
2242
2243 if (!res)
2244 {
2245 EXTEND (SP, 2);
2246 PUSHs (newmortalFH (fd[0], O_RDONLY));
2247 PUSHs (newmortalFH (fd[1], O_WRONLY));
2248 }
2249}
2250
2251void
2252eventfd (unsigned int initval = 0, int flags = 0)
2253 PPCODE:
2254{
2255 int fd;
2256#if HAVE_EVENTFD
2257 fd = eventfd (initval, flags);
2258#else
2259 fd = (errno = ENOSYS, -1);
2260#endif
2261
2262 XPUSHs (newmortalFH (fd, O_RDWR));
2263}
2264
2265void
2266timerfd_create (int clockid, int flags = 0)
2267 PPCODE:
2268{
2269 int fd;
2270#if HAVE_TIMERFD
2271 fd = timerfd_create (clockid, flags);
2272#else
2273 fd = (errno = ENOSYS, -1);
2274#endif
2275
2276 XPUSHs (newmortalFH (fd, O_RDWR));
2277}
2278
2279void
2280timerfd_settime (SV *fh, int flags, NV interval, NV value)
2281 PPCODE:
2282{
2283 int fd = s_fileno_croak (fh, 0);
2284#if HAVE_TIMERFD
2285 int res;
2286 struct itimerspec its, ots;
2287
2288 ts_set (&its.it_interval, interval);
2289 ts_set (&its.it_value , value);
2290 res = timerfd_settime (fd, flags, &its, &ots);
2291
2292 if (!res)
2293 {
2294 EXTEND (SP, 2);
2295 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2296 PUSHs (newSVnv (ts_get (&ots.it_value)));
2297 }
2298#else
2299 errno = ENOSYS;
2300#endif
2301}
2302
2303void
2304timerfd_gettime (SV *fh)
2305 PPCODE:
2306{
2307 int fd = s_fileno_croak (fh, 0);
2308#if HAVE_TIMERFD
2309 int res;
2310 struct itimerspec ots;
2311 res = timerfd_gettime (fd, &ots);
2312
2313 if (!res)
2314 {
2315 EXTEND (SP, 2);
2316 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2317 PUSHs (newSVnv (ts_get (&ots.it_value)));
2318 }
2319#else
2320 errno = ENOSYS;
2321#endif
2322}
2323
2324UV
2325get_fdlimit ()
2326 CODE:
2327#if HAVE_RLIMITS
2328 struct rlimit rl;
2329 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2330 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2331#endif
2332 XSRETURN_UNDEF;
2333 OUTPUT:
2334 RETVAL
2335
2336void
2337min_fdlimit (UV limit = 0x7fffffffU)
2338 CODE:
2339{
2340#if HAVE_RLIMITS
2341 struct rlimit rl;
2342 rlim_t orig_rlim_max;
2343 UV bit;
2344
2345 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2346 goto fail;
2347
2348 if (rl.rlim_cur == RLIM_INFINITY)
2349 XSRETURN_YES;
2350
2351 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2352
2353 if (rl.rlim_cur < limit)
2354 {
2355 rl.rlim_cur = limit;
2356
2357 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2358 rl.rlim_max = rl.rlim_cur;
2359 }
2360
2361 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2362 XSRETURN_YES;
2363
2364 if (errno == EPERM)
2365 {
2366 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2367 /* our limit overflows a system-wide limit */
2368 /* try an adaptive algorithm, but do not lower the hardlimit */
2369 rl.rlim_max = 0;
2370 for (bit = 0x40000000U; bit; bit >>= 1)
2371 {
2372 rl.rlim_max |= bit;
2373 rl.rlim_cur = rl.rlim_max;
2374
2375 /* nevr decrease the hard limit */
2376 if (rl.rlim_max < orig_rlim_max)
2377 break;
2378
2379 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2380 rl.rlim_max &= ~bit; /* too high, remove bit again */
2381 }
2382
2383 /* now, raise the soft limit to the max permitted */
2384 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2385 {
2386 rl.rlim_cur = rl.rlim_max;
2387 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2388 errno = EPERM;
2389 }
2390 }
2391#endif
2392 fail:
2393 XSRETURN_UNDEF;
2394}
1706 2395
1707void _on_next_submit (SV *cb) 2396void _on_next_submit (SV *cb)
1708 CODE: 2397 CODE:
1709 SvREFCNT_dec (on_next_submit); 2398 SvREFCNT_dec (on_next_submit);
1710 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2399 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711 2400
1712PROTOTYPES: DISABLE 2401PROTOTYPES: DISABLE
1713 2402
2403MODULE = IO::AIO PACKAGE = IO::AIO::WD
2404
2405BOOT:
2406{
2407 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2408 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2409}
2410
2411void
2412DESTROY (SV *self)
2413 CODE:
2414{
2415 aio_wd wd = SvAIO_WD (self);
2416#if HAVE_AT
2417 {
2418 SV *callback = &PL_sv_undef;
2419 dREQ; /* clobbers next_pri :/ */
2420 next_pri = req->pri; /* restore next_pri */
2421 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2422 req->type = EIO_WD_CLOSE;
2423 req->wd = wd;
2424 REQ_SEND;
2425 }
2426#else
2427 eio_wd_close_sync (wd);
2428#endif
2429}
2430
1714MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2431MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715 2432
1716void 2433void
1717cancel (aio_req_ornot req) 2434cancel (aio_req_ornot req)
1718 CODE: 2435 CODE:
1719 eio_cancel (req); 2436 eio_cancel (req);
1720 2437
1721void 2438void
1722cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2439cb (aio_req_ornot req, SV *callback = NO_INIT)
1723 PPCODE: 2440 PPCODE:
1724{ 2441{
1725 if (GIMME_V != G_VOID) 2442 if (GIMME_V != G_VOID)
1726 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2443 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1727 2444
1728 if (items > 1) 2445 if (items > 1)
1729 { 2446 {
1730 SV *cb_cv =get_cb (callback); 2447 SV *cb_cv = get_cb (callback);
1731 2448
1732 SvREFCNT_dec (req->callback); 2449 SvREFCNT_dec (req->callback);
1733 req->callback = SvREFCNT_inc (cb_cv); 2450 req->callback = SvREFCNT_inc (cb_cv);
1734 } 2451 }
1735} 2452}
1792limit (aio_req grp, int limit) 2509limit (aio_req grp, int limit)
1793 CODE: 2510 CODE:
1794 eio_grp_limit (grp, limit); 2511 eio_grp_limit (grp, limit);
1795 2512
1796void 2513void
1797feed (aio_req grp, SV *callback=&PL_sv_undef) 2514feed (aio_req grp, SV *callback = &PL_sv_undef)
1798 CODE: 2515 CODE:
1799{ 2516{
1800 SvREFCNT_dec (grp->sv2); 2517 SvREFCNT_dec (grp->sv2);
1801 grp->sv2 = newSVsv (callback); 2518 grp->sv2 = newSVsv (callback);
1802 grp->feed = aio_grp_feed; 2519 grp->feed = aio_grp_feed;

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