ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.179 by root, Fri Jan 7 21:47:15 2011 UTC vs.
Revision 1.257 by root, Tue Jul 17 23:20:09 2018 UTC

… …
3#include <errno.h> 3#include <errno.h>
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
9#include "schmorp.h"
10 8
11#include <stddef.h> 9#include <stddef.h>
12#include <stdlib.h> 10#include <stdlib.h>
13#include <errno.h> 11#include <errno.h>
14#include <sys/types.h> 12#include <sys/types.h>
15#include <sys/stat.h> 13#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 14#include <limits.h>
18#include <fcntl.h> 15#include <fcntl.h>
19#include <sched.h> 16#include <sched.h>
20 17
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 18#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 19# include <sys/mman.h>
23#endif 20#endif
24 21
22/* the incompetent fool that created musl keeps __linux__, refuses
23 * to implement any linux standard apis, and also has no way to test
24 * for his broken iplementation. don't complain to me if this fails
25 * for you.
26 */
27#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
28# include <linux/fs.h>
29# ifdef FS_IOC_FIEMAP
30# include <linux/types.h>
31# include <linux/fiemap.h>
32# define HAVE_FIEMAP 1
33# endif
34#endif
35
25/* perl namespace pollution */ 36/* perl namespace pollution */
26#undef VERSION 37#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 38
77/* perl stupidly overrides readdir and maybe others */ 39/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 40/* with thread-unsafe versions, imagine that :( */
79#undef readdir 41#undef readdir
80#undef opendir 42#undef opendir
81#undef closedir 43#undef closedir
82 44
45#ifdef _WIN32
46
47 // perl overrides all those nice libc functions
48
49 #undef malloc
50 #undef free
51 #undef open
52 #undef read
53 #undef write
54 #undef send
55 #undef recv
56 #undef stat
57 #undef lstat
58 #undef fstat
59 #undef truncate
60 #undef ftruncate
61 #undef open
62 #undef link
63 #undef close
64 #undef unlink
65 #undef mkdir
66 #undef rmdir
67 #undef rename
68 #undef lseek
69 #undef opendir
70 #undef readdir
71 #undef closedir
72 #undef chmod
73 #undef fchmod
74 #undef dup
75 #undef dup2
76 #undef abort
77 #undef pipe
78
79 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STATI64
84 81
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 82#else
91# define VAL64 NV 83
92# define SvVAL64 SvNV 84 #include <sys/time.h>
93# define newSVval64 newSVnv 85 #include <sys/select.h>
86 #include <unistd.h>
87 #include <utime.h>
88 #include <signal.h>
89
90 #define EIO_STRUCT_STAT Stat_t
91
94#endif 92#endif
95 93
96/*****************************************************************************/ 94/*****************************************************************************/
97 95
98#if __GNUC__ >= 3 96#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 102#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 103#define expect_true(expr) expect ((expr) != 0, 1)
106 104
107/*****************************************************************************/ 105/*****************************************************************************/
108 106
107#include "libeio/config.h"
108
109#include "schmorp.h"
110
111#if HAVE_EVENTFD
112# include <sys/eventfd.h>
113#endif
114
115#if HAVE_TIMERFD
116# include <sys/timerfd.h>
117#endif
118
119#if HAVE_RLIMITS
120 #include <sys/time.h>
121 #include <sys/resource.h>
122#endif
123
109typedef SV SV8; /* byte-sv, used for argument-checking */ 124typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 125typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 126typedef int aio_wfd; /* write file descriptor */
112 127
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 128static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 129
115#define EIO_REQ_MEMBERS \ 130#define EIO_REQ_MEMBERS \
116 SV *callback; \ 131 SV *callback; \
117 SV *sv1, *sv2; \ 132 SV *sv1, *sv2; \
133 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 134 STRLEN stroffset; \
119 SV *self; 135 SV *self;
120 136
121#define EIO_NO_WRAPPERS 1 137#define EIO_NO_WRAPPERS 1
122 138
123#include "libeio/config.h"
124#include "libeio/eio.h" 139#include "libeio/eio.h"
125 140
126#ifndef POSIX_FADV_NORMAL 141static int req_invoke (eio_req *req);
127# define POSIX_FADV_NORMAL 0 142#define EIO_FINISH(req) req_invoke (req)
128#endif 143static void req_destroy (eio_req *grp);
129#ifndef POSIX_FADV_SEQUENTIAL 144#define EIO_DESTROY(req) req_destroy (req)
130# define POSIX_FADV_SEQUENTIAL 0 145
131#endif 146#include "libeio/eio.c"
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
144 147
145#if !HAVE_POSIX_FADVISE 148#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 149# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 150#endif
148 151
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE 152#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 153# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif 154#endif
212 155
213#ifndef MAP_ANONYMOUS 156#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON 157# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON 158# define MAP_ANONYMOUS MAP_ANON
216# else 159# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 160# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif 161# endif
219#endif 162#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235 163
236#ifndef PAGESIZE 164/* defines all sorts of constants to 0 unless they are already defined */
165/* also provides const_iv_ and const_niv_ macros for them */
166#include "def0.h"
167
168#ifndef makedev
169# define makedev(maj,min) (((maj) << 8) | (min))
170#endif
171#ifndef major
172# define major(dev) ((dev) >> 8)
173#endif
174#ifndef minor
175# define minor(dev) ((dev) & 0xff)
176#endif
177
178#if PAGESIZE <= 0
237# define PAGESIZE sysconf (_SC_PAGESIZE) 179# define PAGESIZE sysconf (_SC_PAGESIZE)
238#endif 180#endif
239 181
240static int req_invoke (eio_req *req); 182/*****************************************************************************/
241#define EIO_FINISH(req) req_invoke (req) 183
242static void req_destroy (eio_req *grp); 184#if !_POSIX_MAPPED_FILES
243#define EIO_DESTROY(req) req_destroy (req) 185# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
186# define munmap(addr,length) EIO_ENOSYS ()
187#endif
188
189#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS ()
191#endif
192
193#if !MREMAP_MAYMOVE
194# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
195#endif
196
197#define FOREIGN_MAGIC PERL_MAGIC_ext
198
199static int ecb_cold
200mmap_free (pTHX_ SV *sv, MAGIC *mg)
201{
202 int old_errno = errno;
203 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
204 errno = old_errno;
205
206 mg->mg_obj = 0; /* just in case */
207
208 SvREADONLY_off (sv);
209
210 if (SvPVX (sv) != mg->mg_ptr)
211 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
212
213 SvCUR_set (sv, 0);
214 SvPVX (sv) = 0;
215 SvOK_off (sv);
216
217 return 0;
218}
219
220static MGVTBL mmap_vtbl = {
221 0, 0, 0, 0, mmap_free
222};
223
224static int ecb_cold
225sysfree_free (pTHX_ SV *sv, MAGIC *mg)
226{
227 free (mg->mg_ptr);
228 mg->mg_obj = 0; /* just in case */
229
230 SvREADONLY_off (sv);
231
232 if (SvPVX (sv) != mg->mg_ptr)
233 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
234
235 SvCUR_set (sv, 0);
236 SvPVX (sv) = 0;
237 SvOK_off (sv);
238
239 return 0;
240}
241
242static MGVTBL sysfree_vtbl = {
243 0, 0, 0, 0, sysfree_free
244};
245
246/*****************************************************************************/
247
248/* helper: set scalar to foreign ptr with custom free */
249static void
250sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
251{
252 sv_force_normal (sv);
253
254 /* we store the length in mg_obj, as namlen is I32 :/ */
255 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
256 ->mg_obj = (SV *)length;
257
258 SvUPGRADE (sv, SVt_PV); /* nop... */
259
260 if (SvLEN (sv))
261 Safefree (SvPVX (sv));
262
263 SvPVX (sv) = (char *)addr;
264 SvCUR_set (sv, length);
265 SvLEN_set (sv, 0);
266 SvPOK_only (sv);
267}
268
269static void
270sv_clear_foreign (SV *sv)
271{
272 /* todo: iterate over magic and only free ours, but of course */
273 /* the perl5porters will call that (correct) behaviour buggy */
274 sv_unmagic (sv, FOREIGN_MAGIC);
275}
276
277/*****************************************************************************/
278
279static void
280fiemap (eio_req *req)
281{
282 req->result = -1;
283
284#if HAVE_FIEMAP
285 /* assume some c99 */
286 struct fiemap *fiemap = 0;
287 size_t end_offset;
288 int count = req->int3;
289
290 req->flags |= EIO_FLAG_PTR1_FREE;
291
292 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
293 /* increase in 3.5kb steps */
294 if (count < 0)
295 count = 8;
296
297 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
298 errno = ENOMEM;
299 if (!fiemap)
300 return;
301
302 req->ptr1 = fiemap;
303
304 fiemap->fm_start = req->offs;
305 fiemap->fm_length = req->size;
306 fiemap->fm_flags = req->int2;
307 fiemap->fm_extent_count = count;
308
309 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
310 return;
311
312 if (req->int3 >= 0 /* not autosizing */
313 || !fiemap->fm_mapped_extents /* no more extents */
314 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
315 goto done;
316
317 /* else we have to loop -
318 * it would be tempting (actually I tried that first) to just query the
319 * number of extents needed, but linux often feels like not returning all
320 * extents, without telling us it left any out. this complicates
321 * this quite a bit.
322 */
323
324 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
325
326 for (;;)
327 {
328 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
329 char scratch[3072];
330 struct fiemap *incmap = (struct fiemap *)scratch;
331
332 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
333 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
334 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
335 incmap->fm_flags = fiemap->fm_flags;
336 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
337
338 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
339 return;
340
341 if (!incmap->fm_mapped_extents)
342 goto done;
343
344 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
345 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
346 errno = ENOMEM;
347 if (!fiemap)
348 return;
349
350 req->ptr1 = fiemap;
351
352 for (count = 0; count < incmap->fm_mapped_extents; ++count)
353 {
354 struct fiemap_extent *e = incmap->fm_extents + count;
355
356 if (e->fe_logical + e->fe_length >= end_offset)
357 goto done;
358
359 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
360
361 if (e->fe_flags & FIEMAP_EXTENT_LAST)
362 goto done;
363
364 }
365 }
366
367done:
368 req->result = 0;
369
370#else
371 errno = ENOSYS;
372#endif
373}
374
375/*****************************************************************************/
244 376
245enum { 377enum {
246 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 378 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
247}; 379};
248 380
249#include "libeio/eio.c"
250
251typedef eio_req *aio_req; 381typedef eio_req *aio_req;
252typedef eio_req *aio_req_ornot; 382typedef eio_req *aio_req_ornot;
383typedef eio_wd aio_wd;
253 384
254static SV *on_next_submit; 385static SV *on_next_submit;
255static int next_pri = EIO_PRI_DEFAULT; 386static int next_pri = EIO_PRI_DEFAULT;
256static int max_outstanding; 387static int max_outstanding;
257 388
258static s_epipe respipe; 389static s_epipe respipe;
259 390
260static void req_destroy (aio_req req); 391static void req_destroy (aio_req req);
261static void req_cancel (aio_req req); 392static void req_cancel (aio_req req);
262 393
263static void want_poll (void) 394static void
395want_poll (void)
264{ 396{
265 /* write a dummy byte to the pipe so fh becomes ready */ 397 /* write a dummy byte to the pipe so fh becomes ready */
266 s_epipe_signal (&respipe); 398 s_epipe_signal (&respipe);
267} 399}
268 400
269static void done_poll (void) 401static void
402done_poll (void)
270{ 403{
271 /* read any signals sent by the worker threads */ 404 /* read any signals sent by the worker threads */
272 s_epipe_drain (&respipe); 405 s_epipe_drain (&respipe);
273} 406}
274 407
275/* must be called at most once */ 408/* must be called at most once */
409static SV *
276static SV *req_sv (aio_req req, HV *stash) 410req_sv (aio_req req, HV *stash)
277{ 411{
278 if (!req->self) 412 if (!req->self)
279 { 413 {
280 req->self = (SV *)newHV (); 414 req->self = (SV *)newHV ();
281 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 415 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
282 } 416 }
283 417
284 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 418 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
285} 419}
286 420
287static aio_req SvAIO_REQ (SV *sv) 421static SV *
422newSVaio_wd (aio_wd wd)
423{
424 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
425}
426
427static aio_req
428SvAIO_REQ (SV *sv)
288{ 429{
289 MAGIC *mg; 430 MAGIC *mg;
290 431
291 if (!SvROK (sv) 432 if (!SvROK (sv)
433 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
292 || (SvSTASH (SvRV (sv)) != aio_grp_stash 434 || (SvSTASH (SvRV (sv)) != aio_grp_stash
293 && SvSTASH (SvRV (sv)) != aio_req_stash 435 && SvSTASH (SvRV (sv)) != aio_req_stash
294 && !sv_derived_from (sv, "IO::AIO::REQ"))) 436 && !sv_derived_from (sv, "IO::AIO::REQ")))
295 croak ("object of class IO::AIO::REQ expected"); 437 croak ("object of class IO::AIO::REQ expected");
296 438
297 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 439 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
298 440
299 return mg ? (aio_req)mg->mg_ptr : 0; 441 return mg ? (aio_req)mg->mg_ptr : 0;
300} 442}
301 443
444static aio_wd
445SvAIO_WD (SV *sv)
446{
447 if (!SvROK (sv)
448 || SvTYPE (SvRV (sv)) != SVt_PVMG
449 || SvSTASH (SvRV (sv)) != aio_wd_stash)
450 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
451
452 return (aio_wd)(long)SvIVX (SvRV (sv));
453}
454
455static SV *
456newmortalFH (int fd, int flags)
457{
458 if (fd < 0)
459 return &PL_sv_undef;
460
461 GV *gv = (GV *)sv_newmortal ();
462 char sym[64];
463 int symlen;
464
465 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
466 gv_init (gv, aio_stash, sym, symlen, 0);
467
468 symlen = snprintf (
469 sym,
470 sizeof (sym),
471 "%s&=%d",
472 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
473 fd
474 );
475
476 return do_open (gv, sym, symlen, 0, 0, 0, 0)
477 ? (SV *)gv : &PL_sv_undef;
478}
479
480static void
302static void aio_grp_feed (aio_req grp) 481aio_grp_feed (aio_req grp)
303{ 482{
304 if (grp->sv2 && SvOK (grp->sv2)) 483 if (grp->sv2 && SvOK (grp->sv2))
305 { 484 {
306 dSP; 485 dSP;
307 486
… …
315 FREETMPS; 494 FREETMPS;
316 LEAVE; 495 LEAVE;
317 } 496 }
318} 497}
319 498
499static void
320static void req_submit (eio_req *req) 500req_submit (eio_req *req)
321{ 501{
322 eio_submit (req); 502 eio_submit (req);
323 503
324 if (expect_false (on_next_submit)) 504 if (expect_false (on_next_submit))
325 { 505 {
… …
332 PUTBACK; 512 PUTBACK;
333 call_sv (cb, G_DISCARD | G_EVAL); 513 call_sv (cb, G_DISCARD | G_EVAL);
334 } 514 }
335} 515}
336 516
517static int
337static int req_invoke (eio_req *req) 518req_invoke (eio_req *req)
338{ 519{
339 if (req->flags & FLAG_SV2_RO_OFF) 520 if (req->flags & FLAG_SV2_RO_OFF)
340 SvREADONLY_off (req->sv2); 521 SvREADONLY_off (req->sv2);
341 522
342 if (!EIO_CANCELLED (req) && req->callback) 523 if (!EIO_CANCELLED (req) && req->callback)
… …
363 SvREADONLY_on (sv_result); 544 SvREADONLY_on (sv_result);
364 } 545 }
365 546
366 switch (req->type) 547 switch (req->type)
367 { 548 {
549 case EIO_WD_OPEN:
550 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
551 break;
552
368 case EIO_READDIR: 553 case EIO_READDIR:
369 { 554 {
370 SV *rv = &PL_sv_undef; 555 SV *rv = &PL_sv_undef;
371 556
372 if (req->result >= 0) 557 if (req->result >= 0)
… …
425 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 610 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
426 } 611 }
427 break; 612 break;
428 613
429 case EIO_OPEN: 614 case EIO_OPEN:
430 { 615 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
431 /* convert fd to fh */
432 SV *fh = &PL_sv_undef;
433
434 if (req->result >= 0)
435 {
436 GV *gv = (GV *)sv_newmortal ();
437 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
438 char sym [64];
439 int symlen;
440
441 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
442 gv_init (gv, aio_stash, sym, symlen, 0);
443
444 symlen = snprintf (
445 sym,
446 sizeof (sym),
447 "%s&=%d",
448 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
449 (int)req->result
450 );
451
452 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
453 fh = (SV *)gv;
454 }
455
456 PUSHs (fh);
457 }
458 break; 616 break;
459 617
460 case EIO_STATVFS: 618 case EIO_STATVFS:
461 case EIO_FSTATVFS: 619 case EIO_FSTATVFS:
462 { 620 {
463 SV *rv = &PL_sv_undef; 621 SV *rv = &PL_sv_undef;
464 622
623#ifndef _WIN32
465 if (req->result >= 0) 624 if (req->result >= 0)
466 { 625 {
467 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 626 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468 HV *hv = newHV (); 627 HV *hv = newHV ();
628 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
629 * chooses to make it a struct.
630 */
631 unsigned long fsid = 0;
632 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
469 633
470 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 634 rv = sv_2mortal (newRV_noinc ((SV *)hv));
471 635
472 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 636 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
473 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 637 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
475 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 639 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
476 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 640 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
477 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 641 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
478 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 642 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
479 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 643 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 644 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
481 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 645 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 646 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483 } 647 }
648#endif
484 649
485 PUSHs (rv); 650 PUSHs (rv);
486 } 651 }
487 652
488 break; 653 break;
… …
504 case EIO_NOP: 669 case EIO_NOP:
505 case EIO_BUSY: 670 case EIO_BUSY:
506 break; 671 break;
507 672
508 case EIO_READLINK: 673 case EIO_READLINK:
674 case EIO_REALPATH:
509 if (req->result > 0) 675 if (req->result > 0)
510 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 676 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511 break; 677 break;
512 678
513 case EIO_STAT: 679 case EIO_STAT:
514 case EIO_LSTAT: 680 case EIO_LSTAT:
515 case EIO_FSTAT: 681 case EIO_FSTAT:
516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 682 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
683
517 PL_laststatval = req->result; 684 if (!(PL_laststatval = req->result))
685 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 686 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
687
519 PUSHs (sv_result); 688 PUSHs (sv_result);
689 break;
690
691 case EIO_SEEK:
692 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
520 break; 693 break;
521 694
522 case EIO_READ: 695 case EIO_READ:
523 { 696 {
524 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 697 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
527 SvSETMAGIC (req->sv2); 700 SvSETMAGIC (req->sv2);
528 PUSHs (sv_result); 701 PUSHs (sv_result);
529 } 702 }
530 break; 703 break;
531 704
705 case EIO_SLURP:
706 {
707 if (req->result >= 0)
708 {
709 /* if length was originally not known, we steal the malloc'ed memory */
710 if (req->flags & EIO_FLAG_PTR2_FREE)
711 {
712 req->flags &= ~EIO_FLAG_PTR2_FREE;
713 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
714 }
715 else
716 {
717 SvCUR_set (req->sv2, req->result);
718 *SvEND (req->sv2) = 0;
719 SvPOK_only (req->sv2);
720 }
721
722 SvSETMAGIC (req->sv2);
723 }
724
725 PUSHs (sv_result);
726 }
727 break;
728
729 case EIO_CUSTOM:
730 if (req->feed == fiemap)
731 {
732#if HAVE_FIEMAP
733 if (!req->result)
734 {
735 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
736
737 if (fiemap->fm_extent_count)
738 {
739 AV *av = newAV ();
740 int i;
741
742 while (fiemap->fm_mapped_extents)
743 {
744 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
745 AV *ext_av = newAV ();
746
747 av_store (ext_av, 3, newSVuv (extent->fe_flags));
748 av_store (ext_av, 2, newSVval64 (extent->fe_length));
749 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
750 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
751
752 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
753 }
754
755 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
756 }
757 else
758 {
759 SvIV_set (sv_result, fiemap->fm_mapped_extents);
760 PUSHs (sv_result);
761 }
762 }
763#endif
764 }
765 else
766 PUSHs (sv_result);
767 break;
768
532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 769 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
533 if (req->result > 0) 770 if (req->result > 0)
534 SvIV_set (sv_result, 0); 771 SvIV_set (sv_result, 0);
535 /* FALLTHROUGH */ 772 /* FALLTHROUGH */
536 773
… …
557 } 794 }
558 795
559 return !!SvTRUE (ERRSV); 796 return !!SvTRUE (ERRSV);
560} 797}
561 798
799static void
562static void req_destroy (aio_req req) 800req_destroy (aio_req req)
563{ 801{
564 if (req->self) 802 if (req->self)
565 { 803 {
566 sv_unmagic (req->self, PERL_MAGIC_ext); 804 sv_unmagic (req->self, PERL_MAGIC_ext);
567 SvREFCNT_dec (req->self); 805 SvREFCNT_dec (req->self);
568 } 806 }
569 807
570 SvREFCNT_dec (req->sv1); 808 SvREFCNT_dec (req->sv1);
571 SvREFCNT_dec (req->sv2); 809 SvREFCNT_dec (req->sv2);
810 SvREFCNT_dec (req->sv3);
811 SvREFCNT_dec (req->sv4);
572 SvREFCNT_dec (req->callback); 812 SvREFCNT_dec (req->callback);
573 813
574 Safefree (req); 814 free (req);
575} 815}
576 816
817static void
577static void req_cancel_subs (aio_req grp) 818req_cancel_subs (aio_req grp)
578{ 819{
579 aio_req sub;
580
581 if (grp->type != EIO_GROUP) 820 if (grp->type != EIO_GROUP)
582 return; 821 return;
583 822
584 SvREFCNT_dec (grp->sv2); 823 SvREFCNT_dec (grp->sv2);
585 grp->sv2 = 0; 824 grp->sv2 = 0;
586 825
587 eio_grp_cancel (grp); 826 eio_grp_cancel (grp);
588} 827}
589 828
590static void 829static void ecb_cold
591create_respipe (void) 830create_respipe (void)
592{ 831{
593 if (s_epipe_renew (&respipe)) 832 if (s_epipe_renew (&respipe))
594 croak ("IO::AIO: unable to initialize result pipe"); 833 croak ("IO::AIO: unable to initialize result pipe");
595} 834}
596 835
597static void poll_wait (void) 836static void
837poll_wait (void)
598{ 838{
599 while (eio_nreqs ()) 839 while (eio_nreqs ())
600 { 840 {
601 int size; 841 int size;
602 842
603 X_LOCK (reslock); 843 X_LOCK (EIO_POOL->reslock);
604 size = res_queue.size; 844 size = EIO_POOL->res_queue.size;
605 X_UNLOCK (reslock); 845 X_UNLOCK (EIO_POOL->reslock);
606 846
607 if (size) 847 if (size)
608 return; 848 return;
609 849
610 etp_maybe_start_thread (); 850 etp_maybe_start_thread (EIO_POOL);
611 851
612 s_epipe_wait (&respipe); 852 s_epipe_wait (&respipe);
613 } 853 }
614} 854}
615 855
616static int poll_cb (void) 856static int
857poll_cb (void)
617{ 858{
618 for (;;) 859 for (;;)
619 { 860 {
620 int res = eio_poll (); 861 int res = eio_poll ();
621 862
… …
627 868
628 poll_wait (); 869 poll_wait ();
629 } 870 }
630} 871}
631 872
632static void atfork_child (void) 873static void ecb_cold
874reinit (void)
633{ 875{
634 create_respipe (); 876 create_respipe ();
635}
636 877
637/*****************************************************************************/ 878 if (eio_init (want_poll, done_poll) < 0)
638 879 croak ("IO::AIO: unable to initialise eio library");
639#if !_POSIX_MAPPED_FILES
640# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
641# define munmap(addr,length) (errno = ENOSYS, -1)
642#endif
643
644#if !_POSIX_MEMORY_PROTECTION
645# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
646# define PROT_NONE 0
647# define PROT_WRITE 0
648# define MAP_PRIVATE 0
649# define MAP_SHARED 0
650# define MAP_FIXED 0
651#endif
652
653#define MMAP_MAGIC PERL_MAGIC_ext
654
655static int
656mmap_free (pTHX_ SV *sv, MAGIC *mg)
657{
658 int old_errno = errno;
659 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
660 errno = old_errno;
661
662 mg->mg_obj = 0; /* just in case */
663
664 SvREADONLY_off (sv);
665
666 if (SvPVX (sv) != mg->mg_ptr)
667 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
668
669 SvCUR_set (sv, 0);
670 SvPVX (sv) = 0;
671 SvOK_off (sv);
672
673 return 0;
674} 880}
675
676static MGVTBL mmap_vtbl = {
677 0, 0, 0, 0, mmap_free
678};
679 881
680/*****************************************************************************/ 882/*****************************************************************************/
681 883
682static SV * 884static SV *
683get_cb (SV *cb_sv) 885get_cb (SV *cb_sv)
684{ 886{
685 SvGETMAGIC (cb_sv); 887 SvGETMAGIC (cb_sv);
686 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 888 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
687} 889}
688 890
891static aio_req ecb_noinline
892dreq (SV *callback)
893{
894 SV *cb_cv;
895 aio_req req;
896 int req_pri = next_pri;
897 next_pri = EIO_PRI_DEFAULT;
898
899 cb_cv = get_cb (callback);
900
901 req = calloc (sizeof (*req), 1);
902 if (!req)
903 croak ("out of memory during eio_req allocation");
904
905 req->callback = SvREFCNT_inc (cb_cv);
906 req->pri = req_pri;
907
908 return req;
909}
910
689#define dREQ \ 911#define dREQ \
690 SV *cb_cv; \ 912 aio_req req = dreq (callback); \
691 aio_req req; \
692 int req_pri = next_pri; \
693 next_pri = EIO_PRI_DEFAULT; \
694 \
695 cb_cv = get_cb (callback); \
696 \
697 Newz (0, req, 1, eio_req); \
698 if (!req) \
699 croak ("out of memory during eio_req allocation"); \
700 \
701 req->callback = SvREFCNT_inc (cb_cv); \
702 req->pri = req_pri
703 913
704#define REQ_SEND \ 914#define REQ_SEND \
705 PUTBACK; \ 915 PUTBACK; \
706 req_submit (req); \ 916 req_submit (req); \
707 SPAGAIN; \ 917 SPAGAIN; \
708 \ 918 \
709 if (GIMME_V != G_VOID) \ 919 if (GIMME_V != G_VOID) \
710 XPUSHs (req_sv (req, aio_req_stash)); 920 XPUSHs (req_sv (req, aio_req_stash));
711 921
922ecb_inline void
923req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
924{
925 if (expect_false (SvROK (path)))
926 {
927 SV *rv = SvRV (path);
928 SV *wdob;
929
930 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
931 {
932 path = AvARRAY (rv)[1];
933 wdob = AvARRAY (rv)[0];
934
935 if (SvOK (wdob))
936 {
937 *wd = SvAIO_WD (wdob);
938 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
939 }
940 else
941 *wd = EIO_INVALID_WD;
942 }
943 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
944 {
945 *wd = (aio_wd)(long)SvIVX (rv);
946 *wdsv = SvREFCNT_inc_NN (rv);
947 *ptr = ".";
948 return; /* path set to "." */
949 }
950 else
951 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
952 }
953
954 *pathsv = newSVsv (path);
955 *ptr = SvPVbyte_nolen (*pathsv);
956}
957
958static void ecb_noinline
959req_set_path1 (aio_req req, SV *path)
960{
961 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
962}
963
964static void ecb_noinline
965req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
966{
967 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
968
969 switch (SvTYPE (rv))
970 {
971 case SVt_PVIO:
972 case SVt_PVLV:
973 case SVt_PVGV:
974 req->type = type_fh;
975 req->sv1 = newSVsv (fh_or_path);
976 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
977 break;
978
979 default:
980 req->type = type_path;
981 req_set_path1 (req, fh_or_path);
982 break;
983 }
984}
985
986/*****************************************************************************/
987
988static void
989ts_set (struct timespec *ts, NV value)
990{
991 ts->tv_sec = value;
992 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
993}
994
995static NV
996ts_get (const struct timespec *ts)
997{
998 return ts->tv_sec + ts->tv_nsec * 1e-9;
999}
1000
1001/*****************************************************************************/
1002
1003XS(boot_IO__AIO) ecb_cold;
1004
712MODULE = IO::AIO PACKAGE = IO::AIO 1005MODULE = IO::AIO PACKAGE = IO::AIO
713 1006
714PROTOTYPES: ENABLE 1007PROTOTYPES: ENABLE
715 1008
716BOOT: 1009BOOT:
… …
720 IV iv; 1013 IV iv;
721 } *civ, const_iv[] = { 1014 } *civ, const_iv[] = {
722# define const_niv(name, value) { # name, (IV) value }, 1015# define const_niv(name, value) { # name, (IV) value },
723# define const_iv(name) { # name, (IV) name }, 1016# define const_iv(name) { # name, (IV) name },
724# define const_eio(name) { # name, (IV) EIO_ ## name }, 1017# define const_eio(name) { # name, (IV) EIO_ ## name },
1018
1019 /* you have to re-run ./gendef0 after adding/removing any constants here */
1020 /* the first block can be undef if missing */
1021 const_iv (ENOSYS)
725 const_iv (EXDEV) 1022 const_iv (EXDEV)
726 const_iv (ENOSYS) 1023 const_iv (EBADR)
1024
1025 /* for lseek */
1026 const_iv (SEEK_DATA)
1027 const_iv (SEEK_HOLE)
1028
1029 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1030 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1031 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1032 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1033 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1034 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1035
1036 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1037 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1038 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1039 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1040 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1041
1042 /* the second block will be 0 when missing */
727 const_iv (O_RDONLY) 1043 const_iv (O_RDONLY)
728 const_iv (O_WRONLY) 1044 const_iv (O_WRONLY)
729 const_iv (O_RDWR) 1045 const_iv (O_RDWR)
730 const_iv (O_CREAT) 1046 const_iv (O_CREAT)
731 const_iv (O_TRUNC) 1047 const_iv (O_TRUNC)
732 const_iv (O_EXCL) 1048 const_iv (O_EXCL)
733 const_iv (O_APPEND) 1049 const_iv (O_APPEND)
734#ifndef _WIN32 1050
1051 const_iv (O_ASYNC)
1052 const_iv (O_DIRECT)
1053 const_iv (O_NOATIME)
1054
1055 const_iv (O_CLOEXEC)
1056 const_iv (O_NOCTTY)
1057 const_iv (O_NOFOLLOW)
1058 const_iv (O_NONBLOCK)
1059 const_iv (O_EXEC)
1060 const_iv (O_SEARCH)
1061 const_iv (O_DIRECTORY)
1062 const_iv (O_DSYNC)
1063 const_iv (O_RSYNC)
1064 const_iv (O_SYNC)
1065 const_iv (O_PATH)
1066 const_iv (O_TMPFILE)
1067 const_iv (O_TTY_INIT)
1068
735 const_iv (S_IFIFO) 1069 const_iv (S_IFIFO)
736#endif 1070 const_iv (S_IFCHR)
737 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1071 const_iv (S_IFBLK)
738 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1072 const_iv (S_IFLNK)
739 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1073 const_iv (S_IFREG)
740 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1074 const_iv (S_IFDIR)
741 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1075 const_iv (S_IFWHT)
742 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1076 const_iv (S_IFSOCK)
743 1077 const_iv (S_IFMT)
744 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
745 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
746 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
747 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
748 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
749 1078
750 const_iv (ST_RDONLY) 1079 const_iv (ST_RDONLY)
751 const_iv (ST_NOSUID) 1080 const_iv (ST_NOSUID)
752 const_iv (ST_NODEV) 1081 const_iv (ST_NODEV)
753 const_iv (ST_NOEXEC) 1082 const_iv (ST_NOEXEC)
… …
763 const_iv (PROT_NONE) 1092 const_iv (PROT_NONE)
764 const_iv (PROT_EXEC) 1093 const_iv (PROT_EXEC)
765 const_iv (PROT_READ) 1094 const_iv (PROT_READ)
766 const_iv (PROT_WRITE) 1095 const_iv (PROT_WRITE)
767 1096
768 /*const_iv (MAP_FIXED)*/
769 const_iv (MAP_PRIVATE) 1097 const_iv (MAP_PRIVATE)
770 const_iv (MAP_SHARED) 1098 const_iv (MAP_SHARED)
1099 const_iv (MAP_FIXED)
771 const_iv (MAP_ANONYMOUS) 1100 const_iv (MAP_ANONYMOUS)
772 1101
773 /* linuxish */ 1102 /* linuxish */
774 const_iv (MAP_HUGETLB)
775 const_iv (MAP_LOCKED) 1103 const_iv (MAP_LOCKED)
776 const_iv (MAP_NORESERVE) 1104 const_iv (MAP_NORESERVE)
777 const_iv (MAP_POPULATE) 1105 const_iv (MAP_POPULATE)
778 const_iv (MAP_NONBLOCK) 1106 const_iv (MAP_NONBLOCK)
1107 const_iv (MAP_GROWSDOWN)
1108 const_iv (MAP_32BIT)
1109 const_iv (MAP_HUGETLB)
1110 const_iv (MAP_STACK)
1111
1112 const_iv (MREMAP_MAYMOVE)
1113 const_iv (MREMAP_FIXED)
1114
1115 const_iv (F_DUPFD_CLOEXEC)
1116
1117 const_iv (F_OFD_GETLK)
1118 const_iv (F_OFD_SETLK)
1119 const_iv (F_OFD_GETLKW)
1120
1121 const_iv (FIFREEZE)
1122 const_iv (FITHAW)
1123 const_iv (FITRIM)
1124 const_iv (FICLONE)
1125 const_iv (FICLONERANGE)
1126 const_iv (FIDEDUPERANGE)
1127
1128 const_iv (FS_IOC_GETFLAGS)
1129 const_iv (FS_IOC_SETFLAGS)
1130 const_iv (FS_IOC_GETVERSION)
1131 const_iv (FS_IOC_SETVERSION)
1132 const_iv (FS_IOC_FIEMAP)
1133 const_iv (FS_IOC_FSGETXATTR)
1134 const_iv (FS_IOC_FSSETXATTR)
1135 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1136 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1137 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1138
1139 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1140
1141 const_iv (FS_SECRM_FL)
1142 const_iv (FS_UNRM_FL)
1143 const_iv (FS_COMPR_FL)
1144 const_iv (FS_SYNC_FL)
1145 const_iv (FS_IMMUTABLE_FL)
1146 const_iv (FS_APPEND_FL)
1147 const_iv (FS_NODUMP_FL)
1148 const_iv (FS_NOATIME_FL)
1149 const_iv (FS_DIRTY_FL)
1150 const_iv (FS_COMPRBLK_FL)
1151 const_iv (FS_NOCOMP_FL)
1152 const_iv (FS_ENCRYPT_FL)
1153 const_iv (FS_BTREE_FL)
1154 const_iv (FS_INDEX_FL)
1155 const_iv (FS_JOURNAL_DATA_FL)
1156 const_iv (FS_NOTAIL_FL)
1157 const_iv (FS_DIRSYNC_FL)
1158 const_iv (FS_TOPDIR_FL)
1159 const_iv (FS_FL_USER_MODIFIABLE)
1160
1161 const_iv (FS_XFLAG_REALTIME)
1162 const_iv (FS_XFLAG_PREALLOC)
1163 const_iv (FS_XFLAG_IMMUTABLE)
1164 const_iv (FS_XFLAG_APPEND)
1165 const_iv (FS_XFLAG_SYNC)
1166 const_iv (FS_XFLAG_NOATIME)
1167 const_iv (FS_XFLAG_NODUMP)
1168 const_iv (FS_XFLAG_RTINHERIT)
1169 const_iv (FS_XFLAG_PROJINHERIT)
1170 const_iv (FS_XFLAG_NOSYMLINKS)
1171 const_iv (FS_XFLAG_EXTSIZE)
1172 const_iv (FS_XFLAG_EXTSZINHERIT)
1173 const_iv (FS_XFLAG_NODEFRAG)
1174 const_iv (FS_XFLAG_FILESTREAM)
1175 const_iv (FS_XFLAG_DAX)
1176 const_iv (FS_XFLAG_HASATTR)
1177
1178 const_iv (FIEMAP_FLAG_SYNC)
1179 const_iv (FIEMAP_FLAG_XATTR)
1180 const_iv (FIEMAP_FLAGS_COMPAT)
1181 const_iv (FIEMAP_EXTENT_LAST)
1182 const_iv (FIEMAP_EXTENT_UNKNOWN)
1183 const_iv (FIEMAP_EXTENT_DELALLOC)
1184 const_iv (FIEMAP_EXTENT_ENCODED)
1185 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1186 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1187 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1188 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1189 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1190 const_iv (FIEMAP_EXTENT_MERGED)
1191 const_iv (FIEMAP_EXTENT_SHARED)
1192
1193 const_iv (SPLICE_F_MOVE)
1194 const_iv (SPLICE_F_NONBLOCK)
1195 const_iv (SPLICE_F_MORE)
1196 const_iv (SPLICE_F_GIFT)
1197
1198 const_iv (EFD_CLOEXEC)
1199 const_iv (EFD_NONBLOCK)
1200 const_iv (EFD_SEMAPHORE)
1201
1202 const_iv (CLOCK_REALTIME)
1203 const_iv (CLOCK_MONOTONIC)
1204 const_iv (CLOCK_BOOTTIME)
1205 const_iv (CLOCK_REALTIME_ALARM)
1206 const_iv (CLOCK_BOOTTIME_ALARM)
1207
1208 const_iv (TFD_NONBLOCK)
1209 const_iv (TFD_CLOEXEC)
1210
1211 const_iv (TFD_TIMER_ABSTIME)
1212 const_iv (TFD_TIMER_CANCEL_ON_SET)
1213
1214 /* these are libeio constants, and are independent of gendef0 */
1215 const_eio (SEEK_SET)
1216 const_eio (SEEK_CUR)
1217 const_eio (SEEK_END)
779 1218
780 const_eio (MCL_FUTURE) 1219 const_eio (MCL_FUTURE)
781 const_eio (MCL_CURRENT) 1220 const_eio (MCL_CURRENT)
782 1221
783 const_eio (MS_ASYNC) 1222 const_eio (MS_ASYNC)
… …
787 const_eio (MT_MODIFY) 1226 const_eio (MT_MODIFY)
788 1227
789 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1228 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
790 const_eio (SYNC_FILE_RANGE_WRITE) 1229 const_eio (SYNC_FILE_RANGE_WRITE)
791 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1230 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1231
1232 const_eio (FALLOC_FL_KEEP_SIZE)
1233 const_eio (FALLOC_FL_PUNCH_HOLE)
1234 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1235 const_eio (FALLOC_FL_ZERO_RANGE)
1236 const_eio (FALLOC_FL_INSERT_RANGE)
1237 const_eio (FALLOC_FL_UNSHARE_RANGE)
1238
1239 const_eio (RENAME_NOREPLACE)
1240 const_eio (RENAME_EXCHANGE)
1241 const_eio (RENAME_WHITEOUT)
792 1242
793 const_eio (READDIR_DENTS) 1243 const_eio (READDIR_DENTS)
794 const_eio (READDIR_DIRS_FIRST) 1244 const_eio (READDIR_DIRS_FIRST)
795 const_eio (READDIR_STAT_ORDER) 1245 const_eio (READDIR_STAT_ORDER)
796 const_eio (READDIR_FOUND_UNKNOWN) 1246 const_eio (READDIR_FOUND_UNKNOWN)
… …
807 }; 1257 };
808 1258
809 aio_stash = gv_stashpv ("IO::AIO" , 1); 1259 aio_stash = gv_stashpv ("IO::AIO" , 1);
810 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1260 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
811 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1261 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1262 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
812 1263
813 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1264 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
814 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1265 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
815 1266
816 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1267 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
817 1268
818 create_respipe (); 1269 reinit ();
819
820 if (eio_init (want_poll, done_poll) < 0)
821 croak ("IO::AIO: unable to initialise eio library");
822
823 /* atfork child called in fifo order, so before eio's handler */
824 X_THREAD_ATFORK (0, 0, atfork_child);
825} 1270}
826 1271
827void 1272void
1273reinit ()
1274 PROTOTYPE:
1275
1276void
828max_poll_reqs (int nreqs) 1277max_poll_reqs (unsigned int nreqs)
829 PROTOTYPE: $ 1278 PROTOTYPE: $
830 CODE: 1279 CODE:
831 eio_set_max_poll_reqs (nreqs); 1280 eio_set_max_poll_reqs (nreqs);
832 1281
833void 1282void
… …
835 PROTOTYPE: $ 1284 PROTOTYPE: $
836 CODE: 1285 CODE:
837 eio_set_max_poll_time (nseconds); 1286 eio_set_max_poll_time (nseconds);
838 1287
839void 1288void
840min_parallel (int nthreads) 1289min_parallel (unsigned int nthreads)
841 PROTOTYPE: $ 1290 PROTOTYPE: $
842 CODE: 1291 CODE:
843 eio_set_min_parallel (nthreads); 1292 eio_set_min_parallel (nthreads);
844 1293
845void 1294void
846max_parallel (int nthreads) 1295max_parallel (unsigned int nthreads)
847 PROTOTYPE: $ 1296 PROTOTYPE: $
848 CODE: 1297 CODE:
849 eio_set_max_parallel (nthreads); 1298 eio_set_max_parallel (nthreads);
850 1299
851void 1300void
852max_idle (int nthreads) 1301max_idle (unsigned int nthreads)
853 PROTOTYPE: $ 1302 PROTOTYPE: $
854 CODE: 1303 CODE:
855 eio_set_max_idle (nthreads); 1304 eio_set_max_idle (nthreads);
856 1305
857void 1306void
1307idle_timeout (unsigned int seconds)
1308 PROTOTYPE: $
1309 CODE:
1310 eio_set_idle_timeout (seconds);
1311
1312void
858max_outstanding (int maxreqs) 1313max_outstanding (unsigned int maxreqs)
859 PROTOTYPE: $ 1314 PROTOTYPE: $
860 CODE: 1315 CODE:
861 max_outstanding = maxreqs; 1316 max_outstanding = maxreqs;
862 1317
863void 1318void
864aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1319aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
865 PPCODE: 1320 PPCODE:
866{ 1321{
867 dREQ; 1322 dREQ;
868 1323
1324 req->type = EIO_WD_OPEN;
1325 req_set_path1 (req, pathname);
1326
1327 REQ_SEND;
1328}
1329
1330void
1331aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1332 PPCODE:
1333{
1334 dREQ;
1335
869 req->type = EIO_OPEN; 1336 req->type = EIO_OPEN;
870 req->sv1 = newSVsv (pathname); 1337 req_set_path1 (req, pathname);
871 req->ptr1 = SvPVbyte_nolen (req->sv1);
872 req->int1 = flags; 1338 req->int1 = flags;
873 req->int2 = mode; 1339 req->int2 = mode;
874 1340
875 REQ_SEND; 1341 REQ_SEND;
876} 1342}
877 1343
878void 1344void
879aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1345aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
880 ALIAS: 1346 ALIAS:
881 aio_fsync = EIO_FSYNC 1347 aio_fsync = EIO_FSYNC
882 aio_fdatasync = EIO_FDATASYNC 1348 aio_fdatasync = EIO_FDATASYNC
1349 aio_syncfs = EIO_SYNCFS
883 PPCODE: 1350 PPCODE:
884{ 1351{
885 int fd = s_fileno_croak (fh, 0); 1352 int fd = s_fileno_croak (fh, 0);
886 dREQ; 1353 dREQ;
887 1354
888 req->type = ix; 1355 req->type = ix;
889 req->sv1 = newSVsv (fh); 1356 req->sv1 = newSVsv (fh);
890 req->int1 = fd; 1357 req->int1 = fd;
891 1358
892 REQ_SEND (req); 1359 REQ_SEND;
893} 1360}
894 1361
895void 1362void
896aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1363aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
897 PPCODE: 1364 PPCODE:
898{ 1365{
899 int fd = s_fileno_croak (fh, 0); 1366 int fd = s_fileno_croak (fh, 0);
900 dREQ; 1367 dREQ;
901 1368
902 req->type = EIO_SYNC_FILE_RANGE; 1369 req->type = EIO_SYNC_FILE_RANGE;
903 req->sv1 = newSVsv (fh); 1370 req->sv1 = newSVsv (fh);
904 req->int1 = fd; 1371 req->int1 = fd;
905 req->offs = offset; 1372 req->offs = offset;
906 req->size = nbytes; 1373 req->size = nbytes;
907 req->int2 = flags; 1374 req->int2 = flags;
908 1375
909 REQ_SEND (req); 1376 REQ_SEND;
910} 1377}
911 1378
912void 1379void
913aio_close (SV *fh, SV *callback=&PL_sv_undef) 1380aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
914 PPCODE: 1381 PPCODE:
915{ 1382{
916 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
917 int fd = s_fileno_croak (fh, 0); 1383 int fd = s_fileno_croak (fh, 0);
918 dREQ; 1384 dREQ;
919 1385
920 if (close_pipe < 0) 1386 req->type = EIO_FALLOCATE;
1387 req->sv1 = newSVsv (fh);
1388 req->int1 = fd;
1389 req->int2 = mode;
1390 req->offs = offset;
1391 req->size = len;
1392
1393 REQ_SEND;
1394}
1395
1396void
1397aio_close (SV *fh, SV *callback = &PL_sv_undef)
1398 PPCODE:
1399{
1400 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1401 int fd = s_fileno_croak (fh, 0);
1402 dREQ;
1403
1404 if (expect_false (close_fd < 0))
921 { 1405 {
922 int pipefd [2]; 1406 int pipefd [2];
923 1407
1408 if (
1409#ifdef _WIN32
1410 _pipe (pipefd, 1, _O_BINARY) < 0
1411#else
924 if (pipe (pipefd) < 0 1412 pipe (pipefd) < 0
925 || close (pipefd [1]) < 0
926 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1413 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1414#endif
1415 || close (pipefd [1]) < 0
1416 )
927 abort (); /*D*/ 1417 abort (); /*D*/
928 1418
929 close_pipe = pipefd [0]; 1419 close_fd = pipefd [0];
930 } 1420 }
931 1421
932 req->type = EIO_DUP2; 1422 req->type = EIO_DUP2;
933 req->int1 = close_pipe; 1423 req->int1 = close_fd;
934 req->sv2 = newSVsv (fh); 1424 req->sv2 = newSVsv (fh);
935 req->int2 = fd; 1425 req->int2 = fd;
936 1426
937 REQ_SEND (req); 1427 REQ_SEND;
938} 1428}
939 1429
940void 1430void
1431aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1432 PPCODE:
1433{
1434 int fd = s_fileno_croak (fh, 0);
1435 dREQ;
1436
1437 req->type = EIO_SEEK;
1438 req->sv1 = newSVsv (fh);
1439 req->int1 = fd;
1440 req->offs = SvVAL64 (offset);
1441 req->int2 = whence;
1442
1443 REQ_SEND;
1444}
1445
1446void
941aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1447aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
942 ALIAS: 1448 ALIAS:
943 aio_read = EIO_READ 1449 aio_read = EIO_READ
944 aio_write = EIO_WRITE 1450 aio_write = EIO_WRITE
945 PPCODE: 1451 PPCODE:
946{ 1452{
… …
962 len = svlen - dataoffset; 1468 len = svlen - dataoffset;
963 } 1469 }
964 else 1470 else
965 { 1471 {
966 /* read: check type and grow scalar as necessary */ 1472 /* read: check type and grow scalar as necessary */
967 SvUPGRADE (data, SVt_PV); 1473 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
968 svptr = SvGROW (data, len + dataoffset + 1); 1474 svptr = sv_grow (data, len + dataoffset + 1);
1475 else if (SvCUR (data) < len + dataoffset)
1476 croak ("length + dataoffset outside of scalar, and cannot grow");
969 } 1477 }
970 1478
971 { 1479 {
972 dREQ; 1480 dREQ;
973 1481
… …
989 REQ_SEND; 1497 REQ_SEND;
990 } 1498 }
991} 1499}
992 1500
993void 1501void
994aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1502aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1503 ALIAS:
1504 aio_ioctl = EIO_IOCTL
1505 aio_fcntl = EIO_FCNTL
995 PPCODE: 1506 PPCODE:
996{ 1507{
997 SV *data; 1508 int fd = s_fileno_croak (fh, 0);
1509 char *svptr;
1510
1511 if (SvPOK (arg) || !SvNIOK (arg))
1512 {
1513 STRLEN svlen;
1514 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1515#ifdef IOCPARM_LEN
1516 STRLEN need = IOCPARM_LEN (request);
1517#else
1518 STRLEN need = 256;
1519#endif
1520
1521 if (svlen < need)
1522 svptr = SvGROW (arg, need);
1523 }
1524 else
1525 svptr = (char *)SvIV (arg);
1526
1527 {
1528 dREQ;
1529
1530 req->type = ix;
1531 req->sv1 = newSVsv (fh);
1532 req->int1 = fd;
1533 req->int2 = (long)request;
1534 req->sv2 = SvREFCNT_inc (arg);
1535 req->ptr2 = svptr;
1536
1537 REQ_SEND;
1538 }
1539}
1540
1541void
1542aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1543 ALIAS:
1544 aio_readlink = EIO_READLINK
1545 aio_realpath = EIO_REALPATH
1546 PPCODE:
1547{
998 dREQ; 1548 dREQ;
999 1549
1000 req->type = EIO_READLINK; 1550 req->type = ix;
1001 req->sv1 = newSVsv (path); 1551 req_set_path1 (req, pathname);
1002 req->ptr1 = SvPVbyte_nolen (req->sv1);
1003 1552
1004 REQ_SEND; 1553 REQ_SEND;
1005} 1554}
1006 1555
1007void 1556void
1008aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1557aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1009 PPCODE: 1558 PPCODE:
1010{ 1559{
1011 int ifd = s_fileno_croak (in_fh , 0); 1560 int ifd = s_fileno_croak (in_fh , 0);
1012 int ofd = s_fileno_croak (out_fh, 1); 1561 int ofd = s_fileno_croak (out_fh, 1);
1013 dREQ; 1562 dREQ;
1014 1563
1015 req->type = EIO_SENDFILE; 1564 req->type = EIO_SENDFILE;
1016 req->sv1 = newSVsv (out_fh); 1565 req->sv1 = newSVsv (out_fh);
1017 req->int1 = ofd; 1566 req->int1 = ofd;
… …
1022 1571
1023 REQ_SEND; 1572 REQ_SEND;
1024} 1573}
1025 1574
1026void 1575void
1027aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1576aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1028 PPCODE: 1577 PPCODE:
1029{ 1578{
1030 int fd = s_fileno_croak (fh, 0); 1579 int fd = s_fileno_croak (fh, 0);
1031 dREQ; 1580 dREQ;
1032 1581
1033 req->type = EIO_READAHEAD; 1582 req->type = EIO_READAHEAD;
1034 req->sv1 = newSVsv (fh); 1583 req->sv1 = newSVsv (fh);
1035 req->int1 = fd; 1584 req->int1 = fd;
… …
1038 1587
1039 REQ_SEND; 1588 REQ_SEND;
1040} 1589}
1041 1590
1042void 1591void
1043aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1592aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1044 ALIAS: 1593 ALIAS:
1045 aio_stat = EIO_STAT 1594 aio_stat = EIO_STAT
1046 aio_lstat = EIO_LSTAT 1595 aio_lstat = EIO_LSTAT
1047 aio_statvfs = EIO_STATVFS 1596 aio_statvfs = EIO_STATVFS
1048 PPCODE: 1597 PPCODE:
1049{ 1598{
1050 dREQ; 1599 dREQ;
1051 1600
1052 req->sv1 = newSVsv (fh_or_path); 1601 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1053
1054 if (SvPOK (req->sv1))
1055 {
1056 req->type = ix;
1057 req->ptr1 = SvPVbyte_nolen (req->sv1);
1058 }
1059 else
1060 {
1061 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1062 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1063 }
1064 1602
1065 REQ_SEND; 1603 REQ_SEND;
1066} 1604}
1067 1605
1606UV
1607major (UV dev)
1608 ALIAS:
1609 minor = 1
1610 CODE:
1611 RETVAL = ix ? minor (dev) : major (dev);
1612 OUTPUT:
1613 RETVAL
1614
1615UV
1616makedev (UV maj, UV min)
1617 CODE:
1618 RETVAL = makedev (maj, min);
1619 OUTPUT:
1620 RETVAL
1621
1068void 1622void
1069aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1623aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1070 PPCODE: 1624 PPCODE:
1071{ 1625{
1072 dREQ; 1626 dREQ;
1073 1627
1074 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1628 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1075 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1629 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1076 req->sv1 = newSVsv (fh_or_path); 1630 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1077
1078 if (SvPOK (req->sv1))
1079 {
1080 req->type = EIO_UTIME;
1081 req->ptr1 = SvPVbyte_nolen (req->sv1);
1082 }
1083 else
1084 {
1085 req->type = EIO_FUTIME;
1086 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1087 }
1088 1631
1089 REQ_SEND; 1632 REQ_SEND;
1090} 1633}
1091 1634
1092void 1635void
1093aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1636aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1094 PPCODE: 1637 PPCODE:
1095{ 1638{
1096 dREQ; 1639 dREQ;
1097 1640
1098 req->sv1 = newSVsv (fh_or_path);
1099 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1641 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1100 1642 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1101 if (SvPOK (req->sv1))
1102 {
1103 req->type = EIO_TRUNCATE;
1104 req->ptr1 = SvPVbyte_nolen (req->sv1);
1105 }
1106 else
1107 {
1108 req->type = EIO_FTRUNCATE;
1109 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1110 }
1111 1643
1112 REQ_SEND; 1644 REQ_SEND;
1113} 1645}
1114 1646
1115void 1647void
1116aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1648aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1117 ALIAS:
1118 aio_chmod = EIO_CHMOD
1119 aio_mkdir = EIO_MKDIR
1120 PPCODE: 1649 PPCODE:
1121{ 1650{
1122 dREQ; 1651 dREQ;
1123 1652
1124 req->int2 = mode; 1653 req->int2 = mode;
1125 req->sv1 = newSVsv (fh_or_path); 1654 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1126
1127 if (SvPOK (req->sv1))
1128 {
1129 req->type = ix;
1130 req->ptr1 = SvPVbyte_nolen (req->sv1);
1131 }
1132 else
1133 {
1134 req->type = EIO_FCHMOD;
1135 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1136 }
1137 1655
1138 REQ_SEND; 1656 REQ_SEND;
1139} 1657}
1140 1658
1141void 1659void
1142aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1660aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1143 PPCODE: 1661 PPCODE:
1144{ 1662{
1145 dREQ; 1663 dREQ;
1146 1664
1147 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1665 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1148 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1666 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1149 req->sv1 = newSVsv (fh_or_path); 1667 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1150
1151 if (SvPOK (req->sv1))
1152 {
1153 req->type = EIO_CHOWN;
1154 req->ptr1 = SvPVbyte_nolen (req->sv1);
1155 }
1156 else
1157 {
1158 req->type = EIO_FCHOWN;
1159 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1160 }
1161 1668
1162 REQ_SEND; 1669 REQ_SEND;
1163} 1670}
1164 1671
1165void 1672void
1166aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1673aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1167 PPCODE: 1674 PPCODE:
1168{ 1675{
1169 dREQ; 1676 dREQ;
1170 1677
1171 req->type = EIO_READDIR; 1678 req->type = EIO_READDIR;
1172 req->sv1 = newSVsv (pathname);
1173 req->ptr1 = SvPVbyte_nolen (req->sv1);
1174 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1679 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1175 1680
1176 if (flags & EIO_READDIR_DENTS) 1681 if (flags & EIO_READDIR_DENTS)
1177 req->int1 |= EIO_READDIR_CUSTOM2; 1682 req->int1 |= EIO_READDIR_CUSTOM2;
1178 1683
1684 req_set_path1 (req, pathname);
1685
1179 REQ_SEND; 1686 REQ_SEND;
1180} 1687}
1181 1688
1182void 1689void
1690aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1691 PPCODE:
1692{
1693 dREQ;
1694
1695 req->type = EIO_MKDIR;
1696 req->int2 = mode;
1697 req_set_path1 (req, pathname);
1698
1699 REQ_SEND;
1700}
1701
1702void
1183aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1703aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1184 ALIAS: 1704 ALIAS:
1185 aio_unlink = EIO_UNLINK 1705 aio_unlink = EIO_UNLINK
1186 aio_rmdir = EIO_RMDIR 1706 aio_rmdir = EIO_RMDIR
1187 aio_readdir = EIO_READDIR 1707 aio_readdir = EIO_READDIR
1188 PPCODE: 1708 PPCODE:
1189{ 1709{
1190 dREQ; 1710 dREQ;
1191 1711
1192 req->type = ix; 1712 req->type = ix;
1193 req->sv1 = newSVsv (pathname); 1713 req_set_path1 (req, pathname);
1194 req->ptr1 = SvPVbyte_nolen (req->sv1);
1195 1714
1196 REQ_SEND; 1715 REQ_SEND;
1197} 1716}
1198 1717
1199void 1718void
1200aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1719aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1201 ALIAS: 1720 ALIAS:
1202 aio_link = EIO_LINK 1721 aio_link = EIO_LINK
1203 aio_symlink = EIO_SYMLINK 1722 aio_symlink = EIO_SYMLINK
1204 aio_rename = EIO_RENAME 1723 aio_rename = EIO_RENAME
1205 PPCODE: 1724 PPCODE:
1206{ 1725{
1726 eio_wd wd2 = 0;
1207 dREQ; 1727 dREQ;
1208 1728
1209 req->type = ix; 1729 req->type = ix;
1210 req->sv1 = newSVsv (oldpath); 1730 req_set_path1 (req, oldpath);
1211 req->ptr1 = SvPVbyte_nolen (req->sv1); 1731 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1212 req->sv2 = newSVsv (newpath); 1732 req->int3 = (long)wd2;
1213 req->ptr2 = SvPVbyte_nolen (req->sv2);
1214 1733
1215 REQ_SEND; 1734 REQ_SEND;
1216} 1735}
1217 1736
1218void 1737void
1738aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1739 PPCODE:
1740{
1741 eio_wd wd2 = 0;
1742 dREQ;
1743
1744 req->type = EIO_RENAME;
1745 req_set_path1 (req, oldpath);
1746 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1747 req->int2 = flags;
1748 req->int3 = (long)wd2;
1749
1750 REQ_SEND;
1751}
1752
1753void
1219aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1754aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1220 PPCODE: 1755 PPCODE:
1221{ 1756{
1222 dREQ; 1757 dREQ;
1223 1758
1224 req->type = EIO_MKNOD; 1759 req->type = EIO_MKNOD;
1225 req->sv1 = newSVsv (pathname);
1226 req->ptr1 = SvPVbyte_nolen (req->sv1);
1227 req->int2 = (mode_t)mode; 1760 req->int2 = (mode_t)mode;
1228 req->offs = dev; 1761 req->offs = dev;
1762 req_set_path1 (req, pathname);
1229 1763
1230 REQ_SEND; 1764 REQ_SEND;
1231} 1765}
1232 1766
1233void 1767void
1234aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1768aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1235 ALIAS: 1769 ALIAS:
1236 aio_mtouch = EIO_MTOUCH 1770 aio_mtouch = EIO_MTOUCH
1237 aio_msync = EIO_MSYNC 1771 aio_msync = EIO_MSYNC
1238 PPCODE: 1772 PPCODE:
1239{ 1773{
1240 STRLEN svlen; 1774 STRLEN svlen;
1241 char *svptr = SvPVbyte (data, svlen); 1775 char *svptr = SvPVbyte (data, svlen);
1242 UV len = SvUV (length); 1776 UV len = SvUV (length);
1777
1778 if (flags < 0)
1779 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1243 1780
1244 if (offset < 0) 1781 if (offset < 0)
1245 offset += svlen; 1782 offset += svlen;
1246 1783
1247 if (offset < 0 || offset > svlen) 1784 if (offset < 0 || offset > svlen)
… …
1262 REQ_SEND; 1799 REQ_SEND;
1263 } 1800 }
1264} 1801}
1265 1802
1266void 1803void
1267aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1804aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1268 PPCODE: 1805 PPCODE:
1269{ 1806{
1270 STRLEN svlen; 1807 STRLEN svlen;
1271 char *svptr = SvPVbyte (data, svlen); 1808 char *svptr = SvPVbyte (data, svlen);
1272 UV len = SvUV (length); 1809 UV len = SvUV (length);
… …
1291 REQ_SEND; 1828 REQ_SEND;
1292 } 1829 }
1293} 1830}
1294 1831
1295void 1832void
1296aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1833aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1297 PPCODE: 1834 PPCODE:
1298{ 1835{
1299 dREQ; 1836 dREQ;
1300 1837
1301 req->type = EIO_MLOCKALL; 1838 req->type = EIO_MLOCKALL;
… …
1303 1840
1304 REQ_SEND; 1841 REQ_SEND;
1305} 1842}
1306 1843
1307void 1844void
1845aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1846 PPCODE:
1847{
1848 int fd = s_fileno_croak (fh, 0);
1849 dREQ;
1850
1851 req->type = EIO_CUSTOM;
1852 req->sv1 = newSVsv (fh);
1853 req->int1 = fd;
1854
1855 req->feed = fiemap;
1856#if HAVE_FIEMAP
1857 /* keep our fingers crossed that the next two types are 64 bit */
1858 req->offs = start;
1859 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1860 req->int2 = flags;
1861 req->int3 = SvOK (count) ? SvIV (count) : -1;
1862#endif
1863
1864 REQ_SEND;
1865}
1866
1867void
1868aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1869 PPCODE:
1870{
1871 char *svptr = 0;
1872
1873 sv_clear_foreign (data);
1874
1875 if (length) /* known length, directly read into scalar */
1876 {
1877 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1878 svptr = sv_grow (data, length + 1);
1879 else if (SvCUR (data) < length)
1880 croak ("length outside of scalar, and cannot grow");
1881 else
1882 svptr = SvPVbyte_nolen (data);
1883 }
1884
1885 {
1886 dREQ;
1887
1888 req->type = EIO_SLURP;
1889 req_set_path1 (req, pathname);
1890 req->offs = offset;
1891 req->size = length;
1892 req->sv2 = SvREFCNT_inc (data);
1893 req->ptr2 = svptr;
1894
1895 if (!SvREADONLY (data))
1896 {
1897 SvREADONLY_on (data);
1898 req->flags |= FLAG_SV2_RO_OFF;
1899 }
1900
1901 REQ_SEND;
1902 }
1903}
1904
1905void
1308aio_busy (double delay, SV *callback=&PL_sv_undef) 1906aio_busy (double delay, SV *callback = &PL_sv_undef)
1309 PPCODE: 1907 PPCODE:
1310{ 1908{
1311 dREQ; 1909 dREQ;
1312 1910
1313 req->type = EIO_BUSY; 1911 req->type = EIO_BUSY;
… …
1315 1913
1316 REQ_SEND; 1914 REQ_SEND;
1317} 1915}
1318 1916
1319void 1917void
1320aio_group (SV *callback=&PL_sv_undef) 1918aio_group (SV *callback = &PL_sv_undef)
1321 PPCODE: 1919 PPCODE:
1322{ 1920{
1323 dREQ; 1921 dREQ;
1324 1922
1325 req->type = EIO_GROUP; 1923 req->type = EIO_GROUP;
1326 1924
1925 PUTBACK;
1327 req_submit (req); 1926 req_submit (req);
1927 SPAGAIN;
1928
1328 XPUSHs (req_sv (req, aio_grp_stash)); 1929 XPUSHs (req_sv (req, aio_grp_stash));
1329} 1930}
1330 1931
1331void 1932void
1332aio_nop (SV *callback=&PL_sv_undef) 1933aio_nop (SV *callback = &PL_sv_undef)
1333 ALIAS: 1934 ALIAS:
1334 aio_nop = EIO_NOP 1935 aio_nop = EIO_NOP
1335 aio_sync = EIO_SYNC 1936 aio_sync = EIO_SYNC
1336 PPCODE: 1937 PPCODE:
1337{ 1938{
… …
1341 1942
1342 REQ_SEND; 1943 REQ_SEND;
1343} 1944}
1344 1945
1345int 1946int
1346aioreq_pri (int pri = 0) 1947aioreq_pri (int pri = NO_INIT)
1347 CODE: 1948 CODE:
1348 RETVAL = next_pri; 1949 RETVAL = next_pri;
1349 if (items > 0) 1950 if (items > 0)
1350 { 1951 {
1351 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1952 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1433 CODE: 2034 CODE:
1434 RETVAL = posix_fadvise (fh, offset, length, advice); 2035 RETVAL = posix_fadvise (fh, offset, length, advice);
1435 OUTPUT: 2036 OUTPUT:
1436 RETVAL 2037 RETVAL
1437 2038
1438ssize_t 2039IV
1439sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2040sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1440 CODE: 2041 CODE:
1441 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2042 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1442 OUTPUT: 2043 OUTPUT:
1443 RETVAL 2044 RETVAL
1444 2045
1445void 2046void
1446mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2047mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1447 PPCODE: 2048 PPCODE:
1448 sv_unmagic (scalar, MMAP_MAGIC); 2049 sv_clear_foreign (scalar);
1449{ 2050{
1450 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2051 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1451 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2052 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1452 if (addr == (void *)-1) 2053 if (addr == (void *)-1)
1453 XSRETURN_NO; 2054 XSRETURN_NO;
1454 2055
1455 sv_force_normal (scalar); 2056 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1456
1457 /* we store the length in mg_obj, as namlen is I32 :/ */
1458 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1459 ->mg_obj = (SV *)length;
1460
1461 SvUPGRADE (scalar, SVt_PV); /* nop... */
1462 2057
1463 if (!(prot & PROT_WRITE)) 2058 if (!(prot & PROT_WRITE))
1464 SvREADONLY_on (scalar); 2059 SvREADONLY_on (scalar);
1465 2060
1466 if (SvLEN (scalar))
1467 Safefree (SvPVX (scalar));
1468
1469 SvPVX (scalar) = (char *)addr;
1470 SvCUR_set (scalar, length);
1471 SvLEN_set (scalar, 0);
1472 SvPOK_only (scalar);
1473
1474 XSRETURN_YES; 2061 XSRETURN_YES;
1475} 2062}
1476 2063
1477void 2064void
1478munmap (SV *scalar) 2065munmap (SV *scalar)
1479 CODE: 2066 CODE:
1480 sv_unmagic (scalar, MMAP_MAGIC); 2067 sv_clear_foreign (scalar);
2068
2069SV *
2070mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
2071 CODE:
2072{
2073 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2074 void *new;
2075
2076 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2077 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2078
2079 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2080
2081 RETVAL = &PL_sv_no;
2082
2083 if (new != (void *)-1)
2084 {
2085 RETVAL = new == (void *)mg->mg_ptr
2086 ? newSVpvn ("0 but true", 10)
2087 : &PL_sv_yes;
2088
2089 mg->mg_ptr = (char *)new;
2090 mg->mg_obj = (SV *)new_length;
2091
2092 SvPVX (scalar) = mg->mg_ptr;
2093 SvCUR_set (scalar, new_length);
2094 }
2095}
2096 OUTPUT:
2097 RETVAL
1481 2098
1482int 2099int
1483madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2100madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1484 ALIAS: 2101 ALIAS:
1485 mprotect = 1 2102 mprotect = 1
1486 CODE: 2103 CODE:
1487{ 2104{
1488 STRLEN svlen; 2105 STRLEN svlen;
1489 void *addr = SvPVbyte (scalar, svlen); 2106 void *addr = SvPVbyte (scalar, svlen);
1490 size_t len = SvUV (length); 2107 STRLEN len = SvUV (length);
1491 2108
1492 if (offset < 0) 2109 if (offset < 0)
1493 offset += svlen; 2110 offset += svlen;
1494 2111
1495 if (offset < 0 || offset > svlen) 2112 if (offset < 0 || offset > svlen)
… …
1509} 2126}
1510 OUTPUT: 2127 OUTPUT:
1511 RETVAL 2128 RETVAL
1512 2129
1513int 2130int
1514munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2131munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1515 CODE: 2132 CODE:
1516{ 2133{
1517 STRLEN svlen; 2134 STRLEN svlen;
1518 void *addr = SvPVbyte (scalar, svlen); 2135 void *addr = SvPVbyte (scalar, svlen);
1519 size_t len = SvUV (length); 2136 size_t len = SvUV (length);
1520 2137
1521 if (offset < 0) 2138 if (offset < 0)
1522 offset += svlen; 2139 offset += svlen;
1523 2140
… …
1530 addr = (void *)(((intptr_t)addr) + offset); 2147 addr = (void *)(((intptr_t)addr) + offset);
1531 eio_page_align (&addr, &len); 2148 eio_page_align (&addr, &len);
1532#if _POSIX_MEMLOCK_RANGE 2149#if _POSIX_MEMLOCK_RANGE
1533 RETVAL = munlock (addr, len); 2150 RETVAL = munlock (addr, len);
1534#else 2151#else
1535 RETVAL = ((errno = ENOSYS), -1); 2152 RETVAL = EIO_ENOSYS ();
1536#endif 2153#endif
1537} 2154}
1538 OUTPUT: 2155 OUTPUT:
1539 RETVAL 2156 RETVAL
1540 2157
… …
1542munlockall () 2159munlockall ()
1543 CODE: 2160 CODE:
1544#if _POSIX_MEMLOCK 2161#if _POSIX_MEMLOCK
1545 munlockall (); 2162 munlockall ();
1546#else 2163#else
1547 RETVAL = -1; 2164 RETVAL = EIO_ENOSYS ();
1548 errno = ENOSYS;
1549#endif 2165#endif
1550 OUTPUT: 2166 OUTPUT:
1551 RETVAL 2167 RETVAL
2168
2169int
2170splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2171 CODE:
2172{
2173#if HAVE_LINUX_SPLICE
2174 loff_t off_in_, off_out_;
2175 RETVAL = splice (
2176 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2177 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2178 length, flags
2179 );
2180#else
2181 RETVAL = EIO_ENOSYS ();
2182#endif
2183}
2184 OUTPUT:
2185 RETVAL
2186
2187int
2188tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2189 CODE:
2190#if HAVE_LINUX_SPLICE
2191 RETVAL = tee (rfh, wfh, length, flags);
2192#else
2193 RETVAL = EIO_ENOSYS ();
2194#endif
2195 OUTPUT:
2196 RETVAL
2197
2198int
2199pipesize (aio_rfd rfh, int new_size = -1)
2200 PROTOTYPE: $;$
2201 CODE:
2202#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2203 if (new_size >= 0)
2204 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2205 else
2206 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2207#else
2208 errno = ENOSYS;
2209 RETVAL = -1;
2210#endif
2211 OUTPUT:
2212 RETVAL
2213
2214void
2215pipe2 (int flags = 0)
2216 PROTOTYPE: ;$
2217 PPCODE:
2218{
2219 int fd[2];
2220 int res;
2221
2222 if (flags)
2223#if HAVE_PIPE2
2224 res = pipe2 (fd, flags);
2225#else
2226 res = (errno = ENOSYS, -1);
2227#endif
2228 else
2229 res = pipe (fd);
2230
2231 if (!res)
2232 {
2233 EXTEND (SP, 2);
2234 PUSHs (newmortalFH (fd[0], O_RDONLY));
2235 PUSHs (newmortalFH (fd[1], O_WRONLY));
2236 }
2237}
2238
2239void
2240eventfd (unsigned int initval = 0, int flags = 0)
2241 PPCODE:
2242{
2243 int fd;
2244#if HAVE_EVENTFD
2245 fd = eventfd (initval, flags);
2246#else
2247 fd = (errno = ENOSYS, -1);
2248#endif
2249
2250 XPUSHs (newmortalFH (fd, O_RDWR));
2251}
2252
2253void
2254timerfd_create (int clockid, int flags = 0)
2255 PPCODE:
2256{
2257 int fd;
2258#if HAVE_TIMERFD
2259 fd = timerfd_create (clockid, flags);
2260#else
2261 fd = (errno = ENOSYS, -1);
2262#endif
2263
2264 XPUSHs (newmortalFH (fd, O_RDWR));
2265}
2266
2267void
2268timerfd_settime (SV *fh, int flags, NV interval, NV value)
2269 PPCODE:
2270{
2271 int fd = s_fileno_croak (fh, 0);
2272#if HAVE_TIMERFD
2273 int res;
2274 struct itimerspec its, ots;
2275
2276 ts_set (&its.it_interval, interval);
2277 ts_set (&its.it_value , value);
2278 res = timerfd_settime (fd, flags, &its, &ots);
2279
2280 if (!res)
2281 {
2282 EXTEND (SP, 2);
2283 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2284 PUSHs (newSVnv (ts_get (&ots.it_value)));
2285 }
2286#else
2287 errno = ENOSYS;
2288#endif
2289}
2290
2291void
2292timerfd_gettime (SV *fh)
2293 PPCODE:
2294{
2295 int fd = s_fileno_croak (fh, 0);
2296#if HAVE_TIMERFD
2297 int res;
2298 struct itimerspec ots;
2299 res = timerfd_gettime (fd, &ots);
2300
2301 if (!res)
2302 {
2303 EXTEND (SP, 2);
2304 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2305 PUSHs (newSVnv (ts_get (&ots.it_value)));
2306 }
2307#else
2308 errno = ENOSYS;
2309#endif
2310}
2311
2312UV
2313get_fdlimit ()
2314 CODE:
2315#if HAVE_RLIMITS
2316 struct rlimit rl;
2317 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2318 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2319#endif
2320 XSRETURN_UNDEF;
2321 OUTPUT:
2322 RETVAL
2323
2324void
2325min_fdlimit (UV limit = 0x7fffffffU)
2326 CODE:
2327{
2328#if HAVE_RLIMITS
2329 struct rlimit rl;
2330 rlim_t orig_rlim_max;
2331 UV bit;
2332
2333 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2334 goto fail;
2335
2336 if (rl.rlim_cur == RLIM_INFINITY)
2337 XSRETURN_YES;
2338
2339 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2340
2341 if (rl.rlim_cur < limit)
2342 {
2343 rl.rlim_cur = limit;
2344
2345 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2346 rl.rlim_max = rl.rlim_cur;
2347 }
2348
2349 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2350 XSRETURN_YES;
2351
2352 if (errno == EPERM)
2353 {
2354 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2355 /* our limit overflows a system-wide limit */
2356 /* try an adaptive algorithm, but do not lower the hardlimit */
2357 rl.rlim_max = 0;
2358 for (bit = 0x40000000U; bit; bit >>= 1)
2359 {
2360 rl.rlim_max |= bit;
2361 rl.rlim_cur = rl.rlim_max;
2362
2363 /* nevr decrease the hard limit */
2364 if (rl.rlim_max < orig_rlim_max)
2365 break;
2366
2367 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2368 rl.rlim_max &= ~bit; /* too high, remove bit again */
2369 }
2370
2371 /* now, raise the soft limit to the max permitted */
2372 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2373 {
2374 rl.rlim_cur = rl.rlim_max;
2375 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2376 errno = EPERM;
2377 }
2378 }
2379#endif
2380 fail:
2381 XSRETURN_UNDEF;
2382}
1552 2383
1553void _on_next_submit (SV *cb) 2384void _on_next_submit (SV *cb)
1554 CODE: 2385 CODE:
1555 SvREFCNT_dec (on_next_submit); 2386 SvREFCNT_dec (on_next_submit);
1556 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2387 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1557 2388
1558PROTOTYPES: DISABLE 2389PROTOTYPES: DISABLE
1559 2390
2391MODULE = IO::AIO PACKAGE = IO::AIO::WD
2392
2393BOOT:
2394{
2395 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2396 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2397}
2398
2399void
2400DESTROY (SV *self)
2401 CODE:
2402{
2403 aio_wd wd = SvAIO_WD (self);
2404#if HAVE_AT
2405 {
2406 SV *callback = &PL_sv_undef;
2407 dREQ; /* clobbers next_pri :/ */
2408 next_pri = req->pri; /* restore next_pri */
2409 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2410 req->type = EIO_WD_CLOSE;
2411 req->wd = wd;
2412 REQ_SEND;
2413 }
2414#else
2415 eio_wd_close_sync (wd);
2416#endif
2417}
2418
1560MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2419MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1561 2420
1562void 2421void
1563cancel (aio_req_ornot req) 2422cancel (aio_req_ornot req)
1564 CODE: 2423 CODE:
1565 eio_cancel (req); 2424 eio_cancel (req);
1566 2425
1567void 2426void
1568cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2427cb (aio_req_ornot req, SV *callback = NO_INIT)
1569 PPCODE: 2428 PPCODE:
1570{ 2429{
1571 if (GIMME_V != G_VOID) 2430 if (GIMME_V != G_VOID)
1572 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2431 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1573 2432
1574 if (items > 1) 2433 if (items > 1)
1575 { 2434 {
1576 SV *cb_cv =get_cb (callback); 2435 SV *cb_cv = get_cb (callback);
1577 2436
1578 SvREFCNT_dec (req->callback); 2437 SvREFCNT_dec (req->callback);
1579 req->callback = SvREFCNT_inc (cb_cv); 2438 req->callback = SvREFCNT_inc (cb_cv);
1580 } 2439 }
1581} 2440}
… …
1638limit (aio_req grp, int limit) 2497limit (aio_req grp, int limit)
1639 CODE: 2498 CODE:
1640 eio_grp_limit (grp, limit); 2499 eio_grp_limit (grp, limit);
1641 2500
1642void 2501void
1643feed (aio_req grp, SV *callback=&PL_sv_undef) 2502feed (aio_req grp, SV *callback = &PL_sv_undef)
1644 CODE: 2503 CODE:
1645{ 2504{
1646 SvREFCNT_dec (grp->sv2); 2505 SvREFCNT_dec (grp->sv2);
1647 grp->sv2 = newSVsv (callback); 2506 grp->sv2 = newSVsv (callback);
1648 grp->feed = aio_grp_feed; 2507 grp->feed = aio_grp_feed;

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines