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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.171 by root, Wed Aug 4 17:16:19 2010 UTC vs.
Revision 1.252 by root, Sat Jan 6 02:11:10 2018 UTC

… …
11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 16#include <limits.h>
18#include <fcntl.h> 17#include <fcntl.h>
19#include <sched.h> 18#include <sched.h>
20 19
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 21# include <sys/mman.h>
22#endif
23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
23#endif 36#endif
24 37
25/* perl namespace pollution */ 38/* perl namespace pollution */
26#undef VERSION 39#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 40
77/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
79#undef readdir 43#undef readdir
80#undef opendir 44#undef opendir
81#undef closedir 45#undef closedir
82 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80
81 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 82 #define EIO_STRUCT_STATI64
84 83
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 84#else
91# define VAL64 NV 85
92# define SvVAL64 SvNV 86 #include <sys/time.h>
93# define newSVval64 newSVnv 87 #include <sys/select.h>
88 #include <unistd.h>
89 #include <utime.h>
90 #include <signal.h>
91
92 #define EIO_STRUCT_STAT Stat_t
93
94#endif 94#endif
95 95
96/*****************************************************************************/ 96/*****************************************************************************/
97 97
98#if __GNUC__ >= 3 98#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
106 106
107/*****************************************************************************/ 107/*****************************************************************************/
108 108
109#include "libeio/config.h"
110
111#if HAVE_RLIMITS
112 #include <sys/time.h>
113 #include <sys/resource.h>
114#endif
115
109typedef SV SV8; /* byte-sv, used for argument-checking */ 116typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 117typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 118typedef int aio_wfd; /* write file descriptor */
112 119
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 120static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 121
115#define EIO_REQ_MEMBERS \ 122#define EIO_REQ_MEMBERS \
116 SV *callback; \ 123 SV *callback; \
117 SV *sv1, *sv2; \ 124 SV *sv1, *sv2; \
125 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 126 STRLEN stroffset; \
119 SV *self; 127 SV *self;
120 128
121#define EIO_NO_WRAPPERS 1 129#define EIO_NO_WRAPPERS 1
122 130
123#include "libeio/eio.h" 131#include "libeio/eio.h"
124 132
125#ifndef POSIX_FADV_NORMAL 133static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 134#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 135static void req_destroy (eio_req *grp);
128#endif 136#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 137
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 138#include "libeio/eio.c"
139
140#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 141# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 142#endif
148 143
149#ifndef POSIX_MADV_NORMAL 144#if !HAVE_POSIX_MADVISE
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 145# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef PROT_NONE
171# define PROT_NONE 0
172#endif
173#ifndef PROT_READ
174# define PROT_READ 0
175#endif
176#ifndef PROT_WRITE
177# define PROT_READ 0
178#endif
179#ifndef PROT_EXEC
180# define PROT_EXEC 0
181#endif
182
183#ifndef ST_NODEV
184# define ST_NODEV 0
185#endif
186#ifndef ST_NOEXEC
187# define ST_NOEXEC 0
188#endif
189#ifndef ST_SYNCHRONOUS
190# define ST_SYNCHRONOUS 0
191#endif
192#ifndef ST_MANDLOCK
193# define ST_MANDLOCK 0
194#endif
195#ifndef ST_WRITE
196# define ST_WRITE 0
197#endif
198#ifndef ST_APPEND
199# define ST_APPEND 0
200#endif
201#ifndef ST_IMMUTABLE
202# define ST_IMMUTABLE 0
203#endif
204#ifndef ST_NOATIME
205# define ST_NOATIME 0
206#endif
207#ifndef ST_NODIRATIME
208# define ST_NODIRATIME 0
209#endif
210#ifndef ST_RELATIME
211# define ST_RELATIME 0
212#endif
213
214#ifndef MCL_CURRENT
215# define MCL_CURRENT 0
216#endif
217#ifndef MCL_FUTURE
218# define MCL_FUTURE 0
219#endif 146#endif
220 147
221#ifndef MAP_ANONYMOUS 148#ifndef MAP_ANONYMOUS
222# ifdef MAP_ANON 149# ifdef MAP_ANON
223# define MAP_ANONYMOUS MAP_ANON 150# define MAP_ANONYMOUS MAP_ANON
224# else 151# else
225# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 152# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
226# endif 153# endif
227#endif 154#endif
228#ifndef MAP_HUGETLB
229# define MAP_HUGETLB 0
230#endif
231#ifndef MAP_LOCKED
232# define MAP_LOCKED 0
233#endif
234#ifndef MAP_NORESERVE
235# define MAP_NORESERVE 0
236#endif
237#ifndef MAP_POPULATE
238# define MAP_POPULATE 0
239#endif
240#ifndef MAP_NONBLOCK
241# define MAP_NONBLOCK 0
242#endif
243 155
244#ifndef PAGESIZE 156/* defines all sorts of constants to 0 unless they are already defined */
157/* also provides const_iv_ and const_niv_ macros for them */
158#include "def0.h"
159
160#ifndef makedev
161# define makedev(maj,min) (((maj) << 8) | (min))
162#endif
163#ifndef major
164# define major(dev) ((dev) >> 8)
165#endif
166#ifndef minor
167# define minor(dev) ((dev) & 0xff)
168#endif
169
170#if PAGESIZE <= 0
245# define PAGESIZE sysconf (_SC_PAGESIZE) 171# define PAGESIZE sysconf (_SC_PAGESIZE)
246#endif 172#endif
247 173
248static int req_invoke (eio_req *req); 174/*****************************************************************************/
249#define EIO_FINISH(req) req_invoke (req) 175
250static void req_destroy (eio_req *grp); 176#if !_POSIX_MAPPED_FILES
251#define EIO_DESTROY(req) req_destroy (req) 177# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
178# define munmap(addr,length) EIO_ENOSYS ()
179#endif
180
181#if !_POSIX_MEMORY_PROTECTION
182# define mprotect(addr,len,prot) EIO_ENOSYS ()
183#endif
184
185#define FOREIGN_MAGIC PERL_MAGIC_ext
186
187static int ecb_cold
188mmap_free (pTHX_ SV *sv, MAGIC *mg)
189{
190 int old_errno = errno;
191 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
192 errno = old_errno;
193
194 mg->mg_obj = 0; /* just in case */
195
196 SvREADONLY_off (sv);
197
198 if (SvPVX (sv) != mg->mg_ptr)
199 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
200
201 SvCUR_set (sv, 0);
202 SvPVX (sv) = 0;
203 SvOK_off (sv);
204
205 return 0;
206}
207
208static MGVTBL mmap_vtbl = {
209 0, 0, 0, 0, mmap_free
210};
211
212static int ecb_cold
213sysfree_free (pTHX_ SV *sv, MAGIC *mg)
214{
215 free (mg->mg_ptr);
216 mg->mg_obj = 0; /* just in case */
217
218 SvREADONLY_off (sv);
219
220 if (SvPVX (sv) != mg->mg_ptr)
221 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
222
223 SvCUR_set (sv, 0);
224 SvPVX (sv) = 0;
225 SvOK_off (sv);
226
227 return 0;
228}
229
230static MGVTBL sysfree_vtbl = {
231 0, 0, 0, 0, sysfree_free
232};
233
234/*****************************************************************************/
235
236/* helper: set scalar to foreign ptr with custom free */
237static void
238sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
239{
240 sv_force_normal (sv);
241
242 /* we store the length in mg_obj, as namlen is I32 :/ */
243 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
244 ->mg_obj = (SV *)length;
245
246 SvUPGRADE (sv, SVt_PV); /* nop... */
247
248 if (SvLEN (sv))
249 Safefree (SvPVX (sv));
250
251 SvPVX (sv) = (char *)addr;
252 SvCUR_set (sv, length);
253 SvLEN_set (sv, 0);
254 SvPOK_only (sv);
255}
256
257static void
258sv_clear_foreign (SV *sv)
259{
260 /* todo: iterate over magic and only free ours, but of course */
261 /* the perl5porters will call that (correct) behaviour buggy */
262 sv_unmagic (sv, FOREIGN_MAGIC);
263}
264
265/*****************************************************************************/
266
267static void
268fiemap (eio_req *req)
269{
270 req->result = -1;
271
272#if HAVE_FIEMAP
273 /* assume some c99 */
274 struct fiemap *fiemap = 0;
275 size_t end_offset;
276 int count = req->int3;
277
278 req->flags |= EIO_FLAG_PTR1_FREE;
279
280 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
281 /* increase in 3.5kb steps */
282 if (count < 0)
283 count = 8;
284
285 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
286 errno = ENOMEM;
287 if (!fiemap)
288 return;
289
290 req->ptr1 = fiemap;
291
292 fiemap->fm_start = req->offs;
293 fiemap->fm_length = req->size;
294 fiemap->fm_flags = req->int2;
295 fiemap->fm_extent_count = count;
296
297 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
298 return;
299
300 if (req->int3 >= 0 /* not autosizing */
301 || !fiemap->fm_mapped_extents /* no more extents */
302 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
303 goto done;
304
305 /* else we have to loop -
306 * it would be tempting (actually I tried that first) to just query the
307 * number of extents needed, but linux often feels like not returning all
308 * extents, without telling us it left any out. this complicates
309 * this quite a bit.
310 */
311
312 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
313
314 for (;;)
315 {
316 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
317 char scratch[3072];
318 struct fiemap *incmap = (struct fiemap *)scratch;
319
320 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
321 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
322 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
323 incmap->fm_flags = fiemap->fm_flags;
324 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
325
326 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
327 return;
328
329 if (!incmap->fm_mapped_extents)
330 goto done;
331
332 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
333 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
334 errno = ENOMEM;
335 if (!fiemap)
336 return;
337
338 req->ptr1 = fiemap;
339
340 for (count = 0; count < incmap->fm_mapped_extents; ++count)
341 {
342 struct fiemap_extent *e = incmap->fm_extents + count;
343
344 if (e->fe_logical + e->fe_length >= end_offset)
345 goto done;
346
347 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
348
349 if (e->fe_flags & FIEMAP_EXTENT_LAST)
350 goto done;
351
352 }
353 }
354
355done:
356 req->result = 0;
357
358#else
359 errno = ENOSYS;
360#endif
361}
362
363/*****************************************************************************/
252 364
253enum { 365enum {
254 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 366 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
255}; 367};
256 368
257#include "libeio/eio.c"
258
259typedef eio_req *aio_req; 369typedef eio_req *aio_req;
260typedef eio_req *aio_req_ornot; 370typedef eio_req *aio_req_ornot;
371typedef eio_wd aio_wd;
261 372
262static SV *on_next_submit; 373static SV *on_next_submit;
263static int next_pri = EIO_PRI_DEFAULT; 374static int next_pri = EIO_PRI_DEFAULT;
264static int max_outstanding; 375static int max_outstanding;
265 376
266static s_epipe respipe; 377static s_epipe respipe;
267 378
268static void req_destroy (aio_req req); 379static void req_destroy (aio_req req);
269static void req_cancel (aio_req req); 380static void req_cancel (aio_req req);
270 381
271static void want_poll (void) 382static void
383want_poll (void)
272{ 384{
273 /* write a dummy byte to the pipe so fh becomes ready */ 385 /* write a dummy byte to the pipe so fh becomes ready */
274 s_epipe_signal (&respipe); 386 s_epipe_signal (&respipe);
275} 387}
276 388
277static void done_poll (void) 389static void
390done_poll (void)
278{ 391{
279 /* read any signals sent by the worker threads */ 392 /* read any signals sent by the worker threads */
280 s_epipe_drain (&respipe); 393 s_epipe_drain (&respipe);
281} 394}
282 395
283/* must be called at most once */ 396/* must be called at most once */
397static SV *
284static SV *req_sv (aio_req req, HV *stash) 398req_sv (aio_req req, HV *stash)
285{ 399{
286 if (!req->self) 400 if (!req->self)
287 { 401 {
288 req->self = (SV *)newHV (); 402 req->self = (SV *)newHV ();
289 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 403 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
290 } 404 }
291 405
292 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 406 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
293} 407}
294 408
295static aio_req SvAIO_REQ (SV *sv) 409static SV *
410newSVaio_wd (aio_wd wd)
411{
412 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
413}
414
415static aio_req
416SvAIO_REQ (SV *sv)
296{ 417{
297 MAGIC *mg; 418 MAGIC *mg;
298 419
299 if (!SvROK (sv) 420 if (!SvROK (sv)
421 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
300 || (SvSTASH (SvRV (sv)) != aio_grp_stash 422 || (SvSTASH (SvRV (sv)) != aio_grp_stash
301 && SvSTASH (SvRV (sv)) != aio_req_stash 423 && SvSTASH (SvRV (sv)) != aio_req_stash
302 && !sv_derived_from (sv, "IO::AIO::REQ"))) 424 && !sv_derived_from (sv, "IO::AIO::REQ")))
303 croak ("object of class IO::AIO::REQ expected"); 425 croak ("object of class IO::AIO::REQ expected");
304 426
305 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 427 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
306 428
307 return mg ? (aio_req)mg->mg_ptr : 0; 429 return mg ? (aio_req)mg->mg_ptr : 0;
308} 430}
309 431
432static aio_wd
433SvAIO_WD (SV *sv)
434{
435 if (!SvROK (sv)
436 || SvTYPE (SvRV (sv)) != SVt_PVMG
437 || SvSTASH (SvRV (sv)) != aio_wd_stash)
438 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
439
440 return (aio_wd)(long)SvIVX (SvRV (sv));
441}
442
443static SV *
444newmortalFH (int fd, int flags)
445{
446 if (fd < 0)
447 return &PL_sv_undef;
448
449 GV *gv = (GV *)sv_newmortal ();
450 char sym[64];
451 int symlen;
452
453 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
454 gv_init (gv, aio_stash, sym, symlen, 0);
455
456 symlen = snprintf (
457 sym,
458 sizeof (sym),
459 "%s&=%d",
460 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
461 fd
462 );
463
464 return do_open (gv, sym, symlen, 0, 0, 0, 0)
465 ? (SV *)gv : &PL_sv_undef;
466}
467
468static void
310static void aio_grp_feed (aio_req grp) 469aio_grp_feed (aio_req grp)
311{ 470{
312 if (grp->sv2 && SvOK (grp->sv2)) 471 if (grp->sv2 && SvOK (grp->sv2))
313 { 472 {
314 dSP; 473 dSP;
315 474
… …
323 FREETMPS; 482 FREETMPS;
324 LEAVE; 483 LEAVE;
325 } 484 }
326} 485}
327 486
487static void
328static void req_submit (eio_req *req) 488req_submit (eio_req *req)
329{ 489{
330 eio_submit (req); 490 eio_submit (req);
331 491
332 if (expect_false (on_next_submit)) 492 if (expect_false (on_next_submit))
333 { 493 {
… …
340 PUTBACK; 500 PUTBACK;
341 call_sv (cb, G_DISCARD | G_EVAL); 501 call_sv (cb, G_DISCARD | G_EVAL);
342 } 502 }
343} 503}
344 504
505static int
345static int req_invoke (eio_req *req) 506req_invoke (eio_req *req)
346{ 507{
347 if (req->flags & FLAG_SV2_RO_OFF) 508 if (req->flags & FLAG_SV2_RO_OFF)
348 SvREADONLY_off (req->sv2); 509 SvREADONLY_off (req->sv2);
349 510
350 if (!EIO_CANCELLED (req) && req->callback) 511 if (!EIO_CANCELLED (req) && req->callback)
… …
361 /* do not recreate the result IV from scratch each time */ 522 /* do not recreate the result IV from scratch each time */
362 if (expect_true (sv_result_cache)) 523 if (expect_true (sv_result_cache))
363 { 524 {
364 sv_result = sv_result_cache; sv_result_cache = 0; 525 sv_result = sv_result_cache; sv_result_cache = 0;
365 SvIV_set (sv_result, req->result); 526 SvIV_set (sv_result, req->result);
527 SvIOK_only (sv_result);
366 } 528 }
367 else 529 else
368 { 530 {
369 sv_result = newSViv (req->result); 531 sv_result = newSViv (req->result);
370 SvREADONLY_on (sv_result); 532 SvREADONLY_on (sv_result);
371 } 533 }
372 534
373 switch (req->type) 535 switch (req->type)
374 { 536 {
537 case EIO_WD_OPEN:
538 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
539 break;
540
375 case EIO_READDIR: 541 case EIO_READDIR:
376 { 542 {
377 SV *rv = &PL_sv_undef; 543 SV *rv = &PL_sv_undef;
378 544
379 if (req->result >= 0) 545 if (req->result >= 0)
… …
432 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 598 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
433 } 599 }
434 break; 600 break;
435 601
436 case EIO_OPEN: 602 case EIO_OPEN:
437 { 603 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
438 /* convert fd to fh */
439 SV *fh = &PL_sv_undef;
440
441 if (req->result >= 0)
442 {
443 GV *gv = (GV *)sv_newmortal ();
444 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
445 char sym [64];
446 int symlen;
447
448 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
449 gv_init (gv, aio_stash, sym, symlen, 0);
450
451 symlen = snprintf (
452 sym,
453 sizeof (sym),
454 "%s&=%d",
455 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
456 (int)req->result
457 );
458
459 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
460 fh = (SV *)gv;
461 }
462
463 PUSHs (fh);
464 }
465 break; 604 break;
466 605
467 case EIO_STATVFS: 606 case EIO_STATVFS:
468 case EIO_FSTATVFS: 607 case EIO_FSTATVFS:
469 { 608 {
470 SV *rv = &PL_sv_undef; 609 SV *rv = &PL_sv_undef;
471 610
611#ifndef _WIN32
472 if (req->result >= 0) 612 if (req->result >= 0)
473 { 613 {
474 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 614 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
475 HV *hv = newHV (); 615 HV *hv = newHV ();
616 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
617 * chooses to make it a struct.
618 */
619 unsigned long fsid = 0;
620 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
476 621
477 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 622 rv = sv_2mortal (newRV_noinc ((SV *)hv));
478 623
479 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 624 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
480 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 625 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
482 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 627 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
483 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 628 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
484 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 629 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
485 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 630 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
486 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 631 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
487 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 632 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
488 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 633 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
489 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 634 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
490 } 635 }
636#endif
491 637
492 PUSHs (rv); 638 PUSHs (rv);
493 } 639 }
494 640
495 break; 641 break;
… …
511 case EIO_NOP: 657 case EIO_NOP:
512 case EIO_BUSY: 658 case EIO_BUSY:
513 break; 659 break;
514 660
515 case EIO_READLINK: 661 case EIO_READLINK:
662 case EIO_REALPATH:
516 if (req->result > 0) 663 if (req->result > 0)
517 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 664 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
518 break; 665 break;
519 666
520 case EIO_STAT: 667 case EIO_STAT:
521 case EIO_LSTAT: 668 case EIO_LSTAT:
522 case EIO_FSTAT: 669 case EIO_FSTAT:
523 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 670 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
671
524 PL_laststatval = req->result; 672 if (!(PL_laststatval = req->result))
673 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
525 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 674 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
675
526 PUSHs (sv_result); 676 PUSHs (sv_result);
677 break;
678
679 case EIO_SEEK:
680 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
527 break; 681 break;
528 682
529 case EIO_READ: 683 case EIO_READ:
530 { 684 {
531 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 685 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
534 SvSETMAGIC (req->sv2); 688 SvSETMAGIC (req->sv2);
535 PUSHs (sv_result); 689 PUSHs (sv_result);
536 } 690 }
537 break; 691 break;
538 692
693 case EIO_SLURP:
694 {
695 if (req->result >= 0)
696 {
697 /* if length was originally not known, we steal the malloc'ed memory */
698 if (req->flags & EIO_FLAG_PTR2_FREE)
699 {
700 req->flags &= ~EIO_FLAG_PTR2_FREE;
701 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
702 }
703 else
704 {
705 SvCUR_set (req->sv2, req->result);
706 *SvEND (req->sv2) = 0;
707 SvPOK_only (req->sv2);
708 }
709
710 SvSETMAGIC (req->sv2);
711 }
712
713 PUSHs (sv_result);
714 }
715 break;
716
717 case EIO_CUSTOM:
718 if (req->feed == fiemap)
719 {
720#if HAVE_FIEMAP
721 if (!req->result)
722 {
723 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
724
725 if (fiemap->fm_extent_count)
726 {
727 AV *av = newAV ();
728 int i;
729
730 while (fiemap->fm_mapped_extents)
731 {
732 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
733 AV *ext_av = newAV ();
734
735 av_store (ext_av, 3, newSVuv (extent->fe_flags));
736 av_store (ext_av, 2, newSVval64 (extent->fe_length));
737 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
738 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
739
740 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
741 }
742
743 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
744 }
745 else
746 {
747 SvIV_set (sv_result, fiemap->fm_mapped_extents);
748 PUSHs (sv_result);
749 }
750 }
751#endif
752 }
753 else
754 PUSHs (sv_result);
755 break;
756
539 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 757 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
540 if (req->result > 0) 758 if (req->result > 0)
541 SvIV_set (sv_result, 0); 759 SvIV_set (sv_result, 0);
542 /* FALLTHROUGH */ 760 /* FALLTHROUGH */
543 761
544 default: 762 default:
… …
564 } 782 }
565 783
566 return !!SvTRUE (ERRSV); 784 return !!SvTRUE (ERRSV);
567} 785}
568 786
787static void
569static void req_destroy (aio_req req) 788req_destroy (aio_req req)
570{ 789{
571 if (req->self) 790 if (req->self)
572 { 791 {
573 sv_unmagic (req->self, PERL_MAGIC_ext); 792 sv_unmagic (req->self, PERL_MAGIC_ext);
574 SvREFCNT_dec (req->self); 793 SvREFCNT_dec (req->self);
575 } 794 }
576 795
577 SvREFCNT_dec (req->sv1); 796 SvREFCNT_dec (req->sv1);
578 SvREFCNT_dec (req->sv2); 797 SvREFCNT_dec (req->sv2);
798 SvREFCNT_dec (req->sv3);
799 SvREFCNT_dec (req->sv4);
579 SvREFCNT_dec (req->callback); 800 SvREFCNT_dec (req->callback);
580 801
581 Safefree (req); 802 free (req);
582} 803}
583 804
805static void
584static void req_cancel_subs (aio_req grp) 806req_cancel_subs (aio_req grp)
585{ 807{
586 aio_req sub;
587
588 if (grp->type != EIO_GROUP) 808 if (grp->type != EIO_GROUP)
589 return; 809 return;
590 810
591 SvREFCNT_dec (grp->sv2); 811 SvREFCNT_dec (grp->sv2);
592 grp->sv2 = 0; 812 grp->sv2 = 0;
593 813
594 eio_grp_cancel (grp); 814 eio_grp_cancel (grp);
595} 815}
596 816
597static void 817static void ecb_cold
598create_respipe (void) 818create_respipe (void)
599{ 819{
600 if (s_epipe_renew (&respipe)) 820 if (s_epipe_renew (&respipe))
601 croak ("IO::AIO: unable to initialize result pipe"); 821 croak ("IO::AIO: unable to initialize result pipe");
602} 822}
603 823
604static void poll_wait (void) 824static void
825poll_wait (void)
605{ 826{
606 while (eio_nreqs ()) 827 while (eio_nreqs ())
607 { 828 {
608 int size; 829 int size;
609 830
610 X_LOCK (reslock); 831 X_LOCK (EIO_POOL->reslock);
611 size = res_queue.size; 832 size = EIO_POOL->res_queue.size;
612 X_UNLOCK (reslock); 833 X_UNLOCK (EIO_POOL->reslock);
613 834
614 if (size) 835 if (size)
615 return; 836 return;
616 837
617 etp_maybe_start_thread (); 838 etp_maybe_start_thread (EIO_POOL);
618 839
619 s_epipe_wait (&respipe); 840 s_epipe_wait (&respipe);
620 } 841 }
621} 842}
622 843
623static int poll_cb (void) 844static int
845poll_cb (void)
624{ 846{
625 for (;;) 847 for (;;)
626 { 848 {
627 int res = eio_poll (); 849 int res = eio_poll ();
628 850
… …
634 856
635 poll_wait (); 857 poll_wait ();
636 } 858 }
637} 859}
638 860
639static void atfork_child (void) 861static void ecb_cold
862reinit (void)
640{ 863{
641 create_respipe (); 864 create_respipe ();
642}
643 865
644/*****************************************************************************/ 866 if (eio_init (want_poll, done_poll) < 0)
645 867 croak ("IO::AIO: unable to initialise eio library");
646#if !_POSIX_MAPPED_FILES
647# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
648# define munmap(addr,length) (errno = ENOSYS, -1)
649# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
650#endif
651
652#define MMAP_MAGIC PERL_MAGIC_ext
653
654static int
655mmap_free (pTHX_ SV *sv, MAGIC *mg)
656{
657 int old_errno = errno;
658 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
659 errno = old_errno;
660
661 mg->mg_obj = 0; /* just in case */
662
663 SvREADONLY_off (sv);
664
665 if (SvPVX (sv) != mg->mg_ptr)
666 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
667
668 SvCUR_set (sv, 0);
669 SvPVX (sv) = 0;
670 SvOK_off (sv);
671
672 return 0;
673} 868}
674
675static MGVTBL mmap_vtbl = {
676 0, 0, 0, 0, mmap_free
677};
678 869
679/*****************************************************************************/ 870/*****************************************************************************/
680 871
681static SV * 872static SV *
682get_cb (SV *cb_sv) 873get_cb (SV *cb_sv)
683{ 874{
684 SvGETMAGIC (cb_sv); 875 SvGETMAGIC (cb_sv);
685 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 876 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
686} 877}
687 878
879static aio_req ecb_noinline
880dreq (SV *callback)
881{
882 SV *cb_cv;
883 aio_req req;
884 int req_pri = next_pri;
885 next_pri = EIO_PRI_DEFAULT;
886
887 cb_cv = get_cb (callback);
888
889 req = calloc (sizeof (*req), 1);
890 if (!req)
891 croak ("out of memory during eio_req allocation");
892
893 req->callback = SvREFCNT_inc (cb_cv);
894 req->pri = req_pri;
895
896 return req;
897}
898
688#define dREQ \ 899#define dREQ \
689 SV *cb_cv; \ 900 aio_req req = dreq (callback); \
690 aio_req req; \
691 int req_pri = next_pri; \
692 next_pri = EIO_PRI_DEFAULT; \
693 \
694 cb_cv = get_cb (callback); \
695 \
696 Newz (0, req, 1, eio_req); \
697 if (!req) \
698 croak ("out of memory during eio_req allocation"); \
699 \
700 req->callback = SvREFCNT_inc (cb_cv); \
701 req->pri = req_pri
702 901
703#define REQ_SEND \ 902#define REQ_SEND \
704 PUTBACK; \ 903 PUTBACK; \
705 req_submit (req); \ 904 req_submit (req); \
706 SPAGAIN; \ 905 SPAGAIN; \
707 \ 906 \
708 if (GIMME_V != G_VOID) \ 907 if (GIMME_V != G_VOID) \
709 XPUSHs (req_sv (req, aio_req_stash)); 908 XPUSHs (req_sv (req, aio_req_stash));
710 909
910ecb_inline void
911req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
912{
913 if (expect_false (SvROK (path)))
914 {
915 SV *rv = SvRV (path);
916 SV *wdob;
917
918 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
919 {
920 path = AvARRAY (rv)[1];
921 wdob = AvARRAY (rv)[0];
922
923 if (SvOK (wdob))
924 {
925 *wd = SvAIO_WD (wdob);
926 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
927 }
928 else
929 *wd = EIO_INVALID_WD;
930 }
931 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
932 {
933 *wd = (aio_wd)(long)SvIVX (rv);
934 *wdsv = SvREFCNT_inc_NN (rv);
935 *ptr = ".";
936 return; /* path set to "." */
937 }
938 else
939 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
940 }
941
942 *pathsv = newSVsv (path);
943 *ptr = SvPVbyte_nolen (*pathsv);
944}
945
946static void ecb_noinline
947req_set_path1 (aio_req req, SV *path)
948{
949 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
950}
951
952static void ecb_noinline
953req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
954{
955 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
956
957 switch (SvTYPE (rv))
958 {
959 case SVt_PVIO:
960 case SVt_PVLV:
961 case SVt_PVGV:
962 req->type = type_fh;
963 req->sv1 = newSVsv (fh_or_path);
964 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
965 break;
966
967 default:
968 req->type = type_path;
969 req_set_path1 (req, fh_or_path);
970 break;
971 }
972}
973
974XS(boot_IO__AIO) ecb_cold;
975
711MODULE = IO::AIO PACKAGE = IO::AIO 976MODULE = IO::AIO PACKAGE = IO::AIO
712 977
713PROTOTYPES: ENABLE 978PROTOTYPES: ENABLE
714 979
715BOOT: 980BOOT:
… …
719 IV iv; 984 IV iv;
720 } *civ, const_iv[] = { 985 } *civ, const_iv[] = {
721# define const_niv(name, value) { # name, (IV) value }, 986# define const_niv(name, value) { # name, (IV) value },
722# define const_iv(name) { # name, (IV) name }, 987# define const_iv(name) { # name, (IV) name },
723# define const_eio(name) { # name, (IV) EIO_ ## name }, 988# define const_eio(name) { # name, (IV) EIO_ ## name },
989
990 /* you have to re-run ./gendef0 after adding/removing any constants here */
991 /* the first block can be undef if missing */
992 const_iv (ENOSYS)
724 const_iv (EXDEV) 993 const_iv (EXDEV)
725 const_iv (ENOSYS) 994 const_iv (EBADR)
995
996 /* for lseek */
997 const_iv (SEEK_DATA)
998 const_iv (SEEK_HOLE)
999
1000 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1001 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1002 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1003 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1004 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1005 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1006
1007 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1008 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1009 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1010 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1011 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1012
1013 /* the second block will be 0 when missing */
726 const_iv (O_RDONLY) 1014 const_iv (O_RDONLY)
727 const_iv (O_WRONLY) 1015 const_iv (O_WRONLY)
728 const_iv (O_RDWR) 1016 const_iv (O_RDWR)
729 const_iv (O_CREAT) 1017 const_iv (O_CREAT)
730 const_iv (O_TRUNC) 1018 const_iv (O_TRUNC)
731 const_iv (O_EXCL) 1019 const_iv (O_EXCL)
732 const_iv (O_APPEND) 1020 const_iv (O_APPEND)
733#ifndef _WIN32 1021
1022 const_iv (O_ASYNC)
1023 const_iv (O_DIRECT)
1024 const_iv (O_NOATIME)
1025
1026 const_iv (O_CLOEXEC)
1027 const_iv (O_NOCTTY)
1028 const_iv (O_NOFOLLOW)
1029 const_iv (O_NONBLOCK)
1030 const_iv (O_EXEC)
1031 const_iv (O_SEARCH)
1032 const_iv (O_DIRECTORY)
1033 const_iv (O_DSYNC)
1034 const_iv (O_RSYNC)
1035 const_iv (O_SYNC)
1036 const_iv (O_PATH)
1037 const_iv (O_TMPFILE)
1038 const_iv (O_TTY_INIT)
1039
734 const_iv (S_IFIFO) 1040 const_iv (S_IFIFO)
735#endif 1041 const_iv (S_IFCHR)
736 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1042 const_iv (S_IFBLK)
737 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1043 const_iv (S_IFLNK)
738 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1044 const_iv (S_IFREG)
739 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1045 const_iv (S_IFDIR)
740 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1046 const_iv (S_IFWHT)
741 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1047 const_iv (S_IFSOCK)
742 1048 const_iv (S_IFMT)
743 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
744 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
745 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
746 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
747 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
748 1049
749 const_iv (ST_RDONLY) 1050 const_iv (ST_RDONLY)
750 const_iv (ST_NOSUID) 1051 const_iv (ST_NOSUID)
751 const_iv (ST_NODEV) 1052 const_iv (ST_NODEV)
752 const_iv (ST_NOEXEC) 1053 const_iv (ST_NOEXEC)
… …
762 const_iv (PROT_NONE) 1063 const_iv (PROT_NONE)
763 const_iv (PROT_EXEC) 1064 const_iv (PROT_EXEC)
764 const_iv (PROT_READ) 1065 const_iv (PROT_READ)
765 const_iv (PROT_WRITE) 1066 const_iv (PROT_WRITE)
766 1067
767 /*const_iv (MAP_FIXED)*/
768 const_iv (MAP_PRIVATE) 1068 const_iv (MAP_PRIVATE)
769 const_iv (MAP_SHARED) 1069 const_iv (MAP_SHARED)
1070 const_iv (MAP_FIXED)
770 const_iv (MAP_ANONYMOUS) 1071 const_iv (MAP_ANONYMOUS)
771 1072
772 /* linuxish */ 1073 /* linuxish */
773 const_iv (MAP_HUGETLB)
774 const_iv (MAP_LOCKED) 1074 const_iv (MAP_LOCKED)
775 const_iv (MAP_NORESERVE) 1075 const_iv (MAP_NORESERVE)
776 const_iv (MAP_POPULATE) 1076 const_iv (MAP_POPULATE)
777 const_iv (MAP_NONBLOCK) 1077 const_iv (MAP_NONBLOCK)
1078 const_iv (MAP_GROWSDOWN)
1079 const_iv (MAP_32BIT)
1080 const_iv (MAP_HUGETLB)
1081 const_iv (MAP_STACK)
778 1082
1083 const_iv (F_DUPFD_CLOEXEC)
1084
1085 const_iv (F_OFD_GETLK)
1086 const_iv (F_OFD_SETLK)
1087 const_iv (F_OFD_GETLKW)
1088
1089 const_iv (FIFREEZE)
1090 const_iv (FITHAW)
1091 const_iv (FITRIM)
1092 const_iv (FICLONE)
1093 const_iv (FICLONERANGE)
1094 const_iv (FIDEDUPERANGE)
1095
1096 const_iv (FS_IOC_GETFLAGS)
1097 const_iv (FS_IOC_SETFLAGS)
1098 const_iv (FS_IOC_GETVERSION)
1099 const_iv (FS_IOC_SETVERSION)
1100 const_iv (FS_IOC_FIEMAP)
1101 const_iv (FS_IOC_FSGETXATTR)
1102 const_iv (FS_IOC_FSSETXATTR)
1103 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1104 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1105 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1106
1107 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1108
1109 const_iv (FS_SECRM_FL)
1110 const_iv (FS_UNRM_FL)
1111 const_iv (FS_COMPR_FL)
1112 const_iv (FS_SYNC_FL)
1113 const_iv (FS_IMMUTABLE_FL)
1114 const_iv (FS_APPEND_FL)
1115 const_iv (FS_NODUMP_FL)
1116 const_iv (FS_NOATIME_FL)
1117 const_iv (FS_DIRTY_FL)
1118 const_iv (FS_COMPRBLK_FL)
1119 const_iv (FS_NOCOMP_FL)
1120 const_iv (FS_ENCRYPT_FL)
1121 const_iv (FS_BTREE_FL)
1122 const_iv (FS_INDEX_FL)
1123 const_iv (FS_JOURNAL_DATA_FL)
1124 const_iv (FS_NOTAIL_FL)
1125 const_iv (FS_DIRSYNC_FL)
1126 const_iv (FS_TOPDIR_FL)
1127 const_iv (FS_FL_USER_MODIFIABLE)
1128
1129 const_iv (FS_XFLAG_REALTIME)
1130 const_iv (FS_XFLAG_PREALLOC)
1131 const_iv (FS_XFLAG_IMMUTABLE)
1132 const_iv (FS_XFLAG_APPEND)
1133 const_iv (FS_XFLAG_SYNC)
1134 const_iv (FS_XFLAG_NOATIME)
1135 const_iv (FS_XFLAG_NODUMP)
1136 const_iv (FS_XFLAG_RTINHERIT)
1137 const_iv (FS_XFLAG_PROJINHERIT)
1138 const_iv (FS_XFLAG_NOSYMLINKS)
1139 const_iv (FS_XFLAG_EXTSIZE)
1140 const_iv (FS_XFLAG_EXTSZINHERIT)
1141 const_iv (FS_XFLAG_NODEFRAG)
1142 const_iv (FS_XFLAG_FILESTREAM)
1143 const_iv (FS_XFLAG_DAX)
1144 const_iv (FS_XFLAG_HASATTR)
1145
1146 const_iv (FIEMAP_FLAG_SYNC)
1147 const_iv (FIEMAP_FLAG_XATTR)
1148 const_iv (FIEMAP_FLAGS_COMPAT)
1149 const_iv (FIEMAP_EXTENT_LAST)
1150 const_iv (FIEMAP_EXTENT_UNKNOWN)
1151 const_iv (FIEMAP_EXTENT_DELALLOC)
1152 const_iv (FIEMAP_EXTENT_ENCODED)
1153 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1154 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1155 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1156 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1157 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1158 const_iv (FIEMAP_EXTENT_MERGED)
1159 const_iv (FIEMAP_EXTENT_SHARED)
1160
1161 const_iv (SPLICE_F_MOVE)
1162 const_iv (SPLICE_F_NONBLOCK)
1163 const_iv (SPLICE_F_MORE)
1164 const_iv (SPLICE_F_GIFT)
1165
1166 /* these are libeio constants, and are independent of gendef0 */
1167 const_eio (SEEK_SET)
1168 const_eio (SEEK_CUR)
1169 const_eio (SEEK_END)
1170
779 const_iv (MCL_FUTURE) 1171 const_eio (MCL_FUTURE)
780 const_iv (MCL_CURRENT) 1172 const_eio (MCL_CURRENT)
781 1173
782 const_eio (MS_ASYNC) 1174 const_eio (MS_ASYNC)
783 const_eio (MS_INVALIDATE) 1175 const_eio (MS_INVALIDATE)
784 const_eio (MS_SYNC) 1176 const_eio (MS_SYNC)
785 1177
786 const_eio (MT_MODIFY) 1178 const_eio (MT_MODIFY)
787 1179
788 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1180 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
789 const_eio (SYNC_FILE_RANGE_WRITE) 1181 const_eio (SYNC_FILE_RANGE_WRITE)
790 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1182 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1183
1184 const_eio (FALLOC_FL_KEEP_SIZE)
1185 const_eio (FALLOC_FL_PUNCH_HOLE)
1186 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1187 const_eio (FALLOC_FL_ZERO_RANGE)
1188 const_eio (FALLOC_FL_INSERT_RANGE)
1189 const_eio (FALLOC_FL_UNSHARE_RANGE)
1190
1191 const_eio (RENAME_NOREPLACE)
1192 const_eio (RENAME_EXCHANGE)
1193 const_eio (RENAME_WHITEOUT)
791 1194
792 const_eio (READDIR_DENTS) 1195 const_eio (READDIR_DENTS)
793 const_eio (READDIR_DIRS_FIRST) 1196 const_eio (READDIR_DIRS_FIRST)
794 const_eio (READDIR_STAT_ORDER) 1197 const_eio (READDIR_STAT_ORDER)
795 const_eio (READDIR_FOUND_UNKNOWN) 1198 const_eio (READDIR_FOUND_UNKNOWN)
… …
806 }; 1209 };
807 1210
808 aio_stash = gv_stashpv ("IO::AIO" , 1); 1211 aio_stash = gv_stashpv ("IO::AIO" , 1);
809 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1212 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
810 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1213 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1214 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
811 1215
812 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1216 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
813 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1217 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
814 1218
815 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1219 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
816 1220
817 create_respipe (); 1221 reinit ();
818
819 if (eio_init (want_poll, done_poll) < 0)
820 croak ("IO::AIO: unable to initialise eio library");
821
822 /* atfork child called in fifo order, so before eio's handler */
823 X_THREAD_ATFORK (0, 0, atfork_child);
824} 1222}
825 1223
826void 1224void
1225reinit ()
1226 PROTOTYPE:
1227
1228void
827max_poll_reqs (int nreqs) 1229max_poll_reqs (unsigned int nreqs)
828 PROTOTYPE: $ 1230 PROTOTYPE: $
829 CODE: 1231 CODE:
830 eio_set_max_poll_reqs (nreqs); 1232 eio_set_max_poll_reqs (nreqs);
831 1233
832void 1234void
… …
834 PROTOTYPE: $ 1236 PROTOTYPE: $
835 CODE: 1237 CODE:
836 eio_set_max_poll_time (nseconds); 1238 eio_set_max_poll_time (nseconds);
837 1239
838void 1240void
839min_parallel (int nthreads) 1241min_parallel (unsigned int nthreads)
840 PROTOTYPE: $ 1242 PROTOTYPE: $
841 CODE: 1243 CODE:
842 eio_set_min_parallel (nthreads); 1244 eio_set_min_parallel (nthreads);
843 1245
844void 1246void
845max_parallel (int nthreads) 1247max_parallel (unsigned int nthreads)
846 PROTOTYPE: $ 1248 PROTOTYPE: $
847 CODE: 1249 CODE:
848 eio_set_max_parallel (nthreads); 1250 eio_set_max_parallel (nthreads);
849 1251
850void 1252void
851max_idle (int nthreads) 1253max_idle (unsigned int nthreads)
852 PROTOTYPE: $ 1254 PROTOTYPE: $
853 CODE: 1255 CODE:
854 eio_set_max_idle (nthreads); 1256 eio_set_max_idle (nthreads);
855 1257
856void 1258void
1259idle_timeout (unsigned int seconds)
1260 PROTOTYPE: $
1261 CODE:
1262 eio_set_idle_timeout (seconds);
1263
1264void
857max_outstanding (int maxreqs) 1265max_outstanding (unsigned int maxreqs)
858 PROTOTYPE: $ 1266 PROTOTYPE: $
859 CODE: 1267 CODE:
860 max_outstanding = maxreqs; 1268 max_outstanding = maxreqs;
861 1269
862void 1270void
863aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1271aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
864 PROTOTYPE: $$$;$
865 PPCODE: 1272 PPCODE:
866{ 1273{
867 dREQ; 1274 dREQ;
868 1275
1276 req->type = EIO_WD_OPEN;
1277 req_set_path1 (req, pathname);
1278
1279 REQ_SEND;
1280}
1281
1282void
1283aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1284 PPCODE:
1285{
1286 dREQ;
1287
869 req->type = EIO_OPEN; 1288 req->type = EIO_OPEN;
870 req->sv1 = newSVsv (pathname); 1289 req_set_path1 (req, pathname);
871 req->ptr1 = SvPVbyte_nolen (req->sv1);
872 req->int1 = flags; 1290 req->int1 = flags;
873 req->int2 = mode; 1291 req->int2 = mode;
874 1292
875 REQ_SEND; 1293 REQ_SEND;
876} 1294}
877 1295
878void 1296void
879aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1297aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
880 PROTOTYPE: $;$
881 ALIAS: 1298 ALIAS:
882 aio_fsync = EIO_FSYNC 1299 aio_fsync = EIO_FSYNC
883 aio_fdatasync = EIO_FDATASYNC 1300 aio_fdatasync = EIO_FDATASYNC
1301 aio_syncfs = EIO_SYNCFS
884 PPCODE: 1302 PPCODE:
885{ 1303{
886 int fd = s_fileno_croak (fh, 0); 1304 int fd = s_fileno_croak (fh, 0);
887 dREQ; 1305 dREQ;
888 1306
889 req->type = ix; 1307 req->type = ix;
890 req->sv1 = newSVsv (fh); 1308 req->sv1 = newSVsv (fh);
891 req->int1 = fd; 1309 req->int1 = fd;
892 1310
893 REQ_SEND (req); 1311 REQ_SEND;
894} 1312}
895 1313
896void 1314void
897aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1315aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
898 PROTOTYPE: $$$$;$
899 PPCODE: 1316 PPCODE:
900{ 1317{
901 int fd = s_fileno_croak (fh, 0); 1318 int fd = s_fileno_croak (fh, 0);
902 dREQ; 1319 dREQ;
903 1320
904 req->type = EIO_SYNC_FILE_RANGE; 1321 req->type = EIO_SYNC_FILE_RANGE;
905 req->sv1 = newSVsv (fh); 1322 req->sv1 = newSVsv (fh);
906 req->int1 = fd; 1323 req->int1 = fd;
907 req->offs = offset; 1324 req->offs = offset;
908 req->size = nbytes; 1325 req->size = nbytes;
909 req->int2 = flags; 1326 req->int2 = flags;
910 1327
911 REQ_SEND (req); 1328 REQ_SEND;
912} 1329}
913 1330
914void 1331void
915aio_close (SV *fh, SV *callback=&PL_sv_undef) 1332aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
916 PROTOTYPE: $;$
917 PPCODE: 1333 PPCODE:
918{ 1334{
919 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920 int fd = s_fileno_croak (fh, 0); 1335 int fd = s_fileno_croak (fh, 0);
921 dREQ; 1336 dREQ;
922 1337
923 if (close_pipe < 0) 1338 req->type = EIO_FALLOCATE;
1339 req->sv1 = newSVsv (fh);
1340 req->int1 = fd;
1341 req->int2 = mode;
1342 req->offs = offset;
1343 req->size = len;
1344
1345 REQ_SEND;
1346}
1347
1348void
1349aio_close (SV *fh, SV *callback = &PL_sv_undef)
1350 PPCODE:
1351{
1352 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1353 int fd = s_fileno_croak (fh, 0);
1354 dREQ;
1355
1356 if (expect_false (close_fd < 0))
924 { 1357 {
925 int pipefd [2]; 1358 int pipefd [2];
926 1359
1360 if (
1361#ifdef _WIN32
1362 _pipe (pipefd, 1, _O_BINARY) < 0
1363#else
927 if (pipe (pipefd) < 0 1364 pipe (pipefd) < 0
928 || close (pipefd [1]) < 0
929 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1365 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1366#endif
1367 || close (pipefd [1]) < 0
1368 )
930 abort (); /*D*/ 1369 abort (); /*D*/
931 1370
932 close_pipe = pipefd [0]; 1371 close_fd = pipefd [0];
933 } 1372 }
934 1373
935 req->type = EIO_DUP2; 1374 req->type = EIO_DUP2;
936 req->int1 = close_pipe; 1375 req->int1 = close_fd;
937 req->sv2 = newSVsv (fh); 1376 req->sv2 = newSVsv (fh);
938 req->int2 = fd; 1377 req->int2 = fd;
939 1378
940 REQ_SEND (req); 1379 REQ_SEND;
941} 1380}
942 1381
943void 1382void
1383aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1384 PPCODE:
1385{
1386 int fd = s_fileno_croak (fh, 0);
1387 dREQ;
1388
1389 req->type = EIO_SEEK;
1390 req->sv1 = newSVsv (fh);
1391 req->int1 = fd;
1392 req->offs = SvVAL64 (offset);
1393 req->int2 = whence;
1394
1395 REQ_SEND;
1396}
1397
1398void
944aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1399aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
945 ALIAS: 1400 ALIAS:
946 aio_read = EIO_READ 1401 aio_read = EIO_READ
947 aio_write = EIO_WRITE 1402 aio_write = EIO_WRITE
948 PROTOTYPE: $$$$$;$
949 PPCODE: 1403 PPCODE:
950{ 1404{
951 STRLEN svlen; 1405 STRLEN svlen;
952 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1406 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
953 char *svptr = SvPVbyte (data, svlen); 1407 char *svptr = SvPVbyte (data, svlen);
… …
966 len = svlen - dataoffset; 1420 len = svlen - dataoffset;
967 } 1421 }
968 else 1422 else
969 { 1423 {
970 /* read: check type and grow scalar as necessary */ 1424 /* read: check type and grow scalar as necessary */
971 SvUPGRADE (data, SVt_PV); 1425 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
972 svptr = SvGROW (data, len + dataoffset + 1); 1426 svptr = sv_grow (data, len + dataoffset + 1);
1427 else if (SvCUR (data) < len + dataoffset)
1428 croak ("length + dataoffset outside of scalar, and cannot grow");
973 } 1429 }
974 1430
975 { 1431 {
976 dREQ; 1432 dREQ;
977 1433
… …
993 REQ_SEND; 1449 REQ_SEND;
994 } 1450 }
995} 1451}
996 1452
997void 1453void
998aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1454aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
999 PROTOTYPE: $$;$ 1455 ALIAS:
1456 aio_ioctl = EIO_IOCTL
1457 aio_fcntl = EIO_FCNTL
1000 PPCODE: 1458 PPCODE:
1001{ 1459{
1002 SV *data; 1460 int fd = s_fileno_croak (fh, 0);
1461 char *svptr;
1462
1463 if (SvPOK (arg) || !SvNIOK (arg))
1464 {
1465 STRLEN svlen;
1466 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1467#ifdef IOCPARM_LEN
1468 STRLEN need = IOCPARM_LEN (request);
1469#else
1470 STRLEN need = 256;
1471#endif
1472
1473 if (svlen < need)
1474 svptr = SvGROW (arg, need);
1475 }
1476 else
1477 svptr = (char *)SvIV (arg);
1478
1479 {
1480 dREQ;
1481
1482 req->type = ix;
1483 req->sv1 = newSVsv (fh);
1484 req->int1 = fd;
1485 req->int2 = (long)request;
1486 req->sv2 = SvREFCNT_inc (arg);
1487 req->ptr2 = svptr;
1488
1489 REQ_SEND;
1490 }
1491}
1492
1493void
1494aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1495 ALIAS:
1496 aio_readlink = EIO_READLINK
1497 aio_realpath = EIO_REALPATH
1498 PPCODE:
1499{
1003 dREQ; 1500 dREQ;
1004 1501
1005 req->type = EIO_READLINK; 1502 req->type = ix;
1006 req->sv1 = newSVsv (path); 1503 req_set_path1 (req, pathname);
1007 req->ptr1 = SvPVbyte_nolen (req->sv1);
1008 1504
1009 REQ_SEND; 1505 REQ_SEND;
1010} 1506}
1011 1507
1012void 1508void
1013aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1509aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1014 PROTOTYPE: $$$$;$
1015 PPCODE: 1510 PPCODE:
1016{ 1511{
1017 int ifd = s_fileno_croak (in_fh , 0); 1512 int ifd = s_fileno_croak (in_fh , 0);
1018 int ofd = s_fileno_croak (out_fh, 1); 1513 int ofd = s_fileno_croak (out_fh, 1);
1019 dREQ; 1514 dREQ;
1020 1515
1021 req->type = EIO_SENDFILE; 1516 req->type = EIO_SENDFILE;
1022 req->sv1 = newSVsv (out_fh); 1517 req->sv1 = newSVsv (out_fh);
1023 req->int1 = ofd; 1518 req->int1 = ofd;
… …
1028 1523
1029 REQ_SEND; 1524 REQ_SEND;
1030} 1525}
1031 1526
1032void 1527void
1033aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1528aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1034 PROTOTYPE: $$$;$
1035 PPCODE: 1529 PPCODE:
1036{ 1530{
1037 int fd = s_fileno_croak (fh, 0); 1531 int fd = s_fileno_croak (fh, 0);
1038 dREQ; 1532 dREQ;
1039 1533
1040 req->type = EIO_READAHEAD; 1534 req->type = EIO_READAHEAD;
1041 req->sv1 = newSVsv (fh); 1535 req->sv1 = newSVsv (fh);
1042 req->int1 = fd; 1536 req->int1 = fd;
… …
1045 1539
1046 REQ_SEND; 1540 REQ_SEND;
1047} 1541}
1048 1542
1049void 1543void
1050aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1544aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1051 ALIAS: 1545 ALIAS:
1052 aio_stat = EIO_STAT 1546 aio_stat = EIO_STAT
1053 aio_lstat = EIO_LSTAT 1547 aio_lstat = EIO_LSTAT
1054 aio_statvfs = EIO_STATVFS 1548 aio_statvfs = EIO_STATVFS
1055 PPCODE: 1549 PPCODE:
1056{ 1550{
1057 dREQ; 1551 dREQ;
1058 1552
1059 req->sv1 = newSVsv (fh_or_path); 1553 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1060
1061 if (SvPOK (req->sv1))
1062 {
1063 req->type = ix;
1064 req->ptr1 = SvPVbyte_nolen (req->sv1);
1065 }
1066 else
1067 {
1068 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1069 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1070 }
1071 1554
1072 REQ_SEND; 1555 REQ_SEND;
1073} 1556}
1074 1557
1558UV
1559major (UV dev)
1560 ALIAS:
1561 minor = 1
1562 CODE:
1563 RETVAL = ix ? minor (dev) : major (dev);
1564 OUTPUT:
1565 RETVAL
1566
1567UV
1568makedev (UV maj, UV min)
1569 CODE:
1570 RETVAL = makedev (maj, min);
1571 OUTPUT:
1572 RETVAL
1573
1075void 1574void
1076aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1575aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1077 PPCODE: 1576 PPCODE:
1078{ 1577{
1079 dREQ; 1578 dREQ;
1080 1579
1081 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1580 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1082 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1581 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1083 req->sv1 = newSVsv (fh_or_path); 1582 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1084
1085 if (SvPOK (req->sv1))
1086 {
1087 req->type = EIO_UTIME;
1088 req->ptr1 = SvPVbyte_nolen (req->sv1);
1089 }
1090 else
1091 {
1092 req->type = EIO_FUTIME;
1093 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1094 }
1095 1583
1096 REQ_SEND; 1584 REQ_SEND;
1097} 1585}
1098 1586
1099void 1587void
1100aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1588aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1101 PPCODE: 1589 PPCODE:
1102{ 1590{
1103 dREQ; 1591 dREQ;
1104 1592
1105 req->sv1 = newSVsv (fh_or_path);
1106 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1593 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1107 1594 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1108 if (SvPOK (req->sv1))
1109 {
1110 req->type = EIO_TRUNCATE;
1111 req->ptr1 = SvPVbyte_nolen (req->sv1);
1112 }
1113 else
1114 {
1115 req->type = EIO_FTRUNCATE;
1116 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1117 }
1118 1595
1119 REQ_SEND; 1596 REQ_SEND;
1120} 1597}
1121 1598
1122void 1599void
1123aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1600aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1124 ALIAS:
1125 aio_chmod = EIO_CHMOD
1126 aio_mkdir = EIO_MKDIR
1127 PPCODE: 1601 PPCODE:
1128{ 1602{
1129 dREQ; 1603 dREQ;
1130 1604
1131 req->int2 = mode; 1605 req->int2 = mode;
1132 req->sv1 = newSVsv (fh_or_path); 1606 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1133
1134 if (SvPOK (req->sv1))
1135 {
1136 req->type = ix;
1137 req->ptr1 = SvPVbyte_nolen (req->sv1);
1138 }
1139 else
1140 {
1141 req->type = EIO_FCHMOD;
1142 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1143 }
1144 1607
1145 REQ_SEND; 1608 REQ_SEND;
1146} 1609}
1147 1610
1148void 1611void
1149aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1612aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1150 PPCODE: 1613 PPCODE:
1151{ 1614{
1152 dREQ; 1615 dREQ;
1153 1616
1154 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1617 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1155 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1618 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1156 req->sv1 = newSVsv (fh_or_path); 1619 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1157
1158 if (SvPOK (req->sv1))
1159 {
1160 req->type = EIO_CHOWN;
1161 req->ptr1 = SvPVbyte_nolen (req->sv1);
1162 }
1163 else
1164 {
1165 req->type = EIO_FCHOWN;
1166 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1167 }
1168 1620
1169 REQ_SEND; 1621 REQ_SEND;
1170} 1622}
1171 1623
1172void 1624void
1173aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1625aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1174 PPCODE: 1626 PPCODE:
1175{ 1627{
1176 dREQ; 1628 dREQ;
1177 1629
1178 req->type = EIO_READDIR; 1630 req->type = EIO_READDIR;
1179 req->sv1 = newSVsv (pathname);
1180 req->ptr1 = SvPVbyte_nolen (req->sv1);
1181 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1631 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1182 1632
1183 if (flags & EIO_READDIR_DENTS) 1633 if (flags & EIO_READDIR_DENTS)
1184 req->int1 |= EIO_READDIR_CUSTOM2; 1634 req->int1 |= EIO_READDIR_CUSTOM2;
1185 1635
1636 req_set_path1 (req, pathname);
1637
1186 REQ_SEND; 1638 REQ_SEND;
1187} 1639}
1188 1640
1189void 1641void
1642aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1643 PPCODE:
1644{
1645 dREQ;
1646
1647 req->type = EIO_MKDIR;
1648 req->int2 = mode;
1649 req_set_path1 (req, pathname);
1650
1651 REQ_SEND;
1652}
1653
1654void
1190aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1655aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1191 ALIAS: 1656 ALIAS:
1192 aio_unlink = EIO_UNLINK 1657 aio_unlink = EIO_UNLINK
1193 aio_rmdir = EIO_RMDIR 1658 aio_rmdir = EIO_RMDIR
1194 aio_readdir = EIO_READDIR 1659 aio_readdir = EIO_READDIR
1195 PPCODE: 1660 PPCODE:
1196{ 1661{
1197 dREQ; 1662 dREQ;
1198 1663
1199 req->type = ix; 1664 req->type = ix;
1200 req->sv1 = newSVsv (pathname); 1665 req_set_path1 (req, pathname);
1201 req->ptr1 = SvPVbyte_nolen (req->sv1);
1202 1666
1203 REQ_SEND; 1667 REQ_SEND;
1204} 1668}
1205 1669
1206void 1670void
1207aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1671aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1208 ALIAS: 1672 ALIAS:
1209 aio_link = EIO_LINK 1673 aio_link = EIO_LINK
1210 aio_symlink = EIO_SYMLINK 1674 aio_symlink = EIO_SYMLINK
1211 aio_rename = EIO_RENAME 1675 aio_rename = EIO_RENAME
1212 PPCODE: 1676 PPCODE:
1213{ 1677{
1678 eio_wd wd2 = 0;
1214 dREQ; 1679 dREQ;
1215 1680
1216 req->type = ix; 1681 req->type = ix;
1217 req->sv1 = newSVsv (oldpath); 1682 req_set_path1 (req, oldpath);
1218 req->ptr1 = SvPVbyte_nolen (req->sv1); 1683 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1219 req->sv2 = newSVsv (newpath); 1684 req->int3 = (long)wd2;
1220 req->ptr2 = SvPVbyte_nolen (req->sv2);
1221 1685
1222 REQ_SEND; 1686 REQ_SEND;
1223} 1687}
1224 1688
1225void 1689void
1690aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1691 PPCODE:
1692{
1693 eio_wd wd2 = 0;
1694 dREQ;
1695
1696 req->type = EIO_RENAME;
1697 req_set_path1 (req, oldpath);
1698 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1699 req->int2 = flags;
1700 req->int3 = (long)wd2;
1701
1702 REQ_SEND;
1703}
1704
1705void
1226aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1706aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1227 PPCODE: 1707 PPCODE:
1228{ 1708{
1229 dREQ; 1709 dREQ;
1230 1710
1231 req->type = EIO_MKNOD; 1711 req->type = EIO_MKNOD;
1232 req->sv1 = newSVsv (pathname);
1233 req->ptr1 = SvPVbyte_nolen (req->sv1);
1234 req->int2 = (mode_t)mode; 1712 req->int2 = (mode_t)mode;
1235 req->offs = dev; 1713 req->offs = dev;
1714 req_set_path1 (req, pathname);
1236 1715
1237 REQ_SEND; 1716 REQ_SEND;
1238} 1717}
1239 1718
1240void 1719void
1241aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1720aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1242 ALIAS: 1721 ALIAS:
1243 aio_mtouch = EIO_MTOUCH 1722 aio_mtouch = EIO_MTOUCH
1244 aio_msync = EIO_MSYNC 1723 aio_msync = EIO_MSYNC
1245 PROTOTYPE: $$$$;$
1246 PPCODE: 1724 PPCODE:
1247{ 1725{
1248 STRLEN svlen; 1726 STRLEN svlen;
1727 char *svptr = SvPVbyte (data, svlen);
1249 UV len = SvUV (length); 1728 UV len = SvUV (length);
1250 char *svptr = SvPVbyte (data, svlen); 1729
1730 if (flags < 0)
1731 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1251 1732
1252 if (offset < 0) 1733 if (offset < 0)
1253 offset += svlen; 1734 offset += svlen;
1254 1735
1255 if (offset < 0 || offset > svlen) 1736 if (offset < 0 || offset > svlen)
… …
1260 1741
1261 { 1742 {
1262 dREQ; 1743 dREQ;
1263 1744
1264 req->type = ix; 1745 req->type = ix;
1265 req->size = len;
1266 req->sv2 = SvREFCNT_inc (data); 1746 req->sv2 = SvREFCNT_inc (data);
1267 req->ptr2 = (char *)svptr + offset; 1747 req->ptr2 = (char *)svptr + offset;
1748 req->size = len;
1268 req->int1 = flags; 1749 req->int1 = flags;
1269 1750
1270 REQ_SEND; 1751 REQ_SEND;
1271 } 1752 }
1272} 1753}
1273 1754
1274void 1755void
1756aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1757 PPCODE:
1758{
1759 STRLEN svlen;
1760 char *svptr = SvPVbyte (data, svlen);
1761 UV len = SvUV (length);
1762
1763 if (offset < 0)
1764 offset += svlen;
1765
1766 if (offset < 0 || offset > svlen)
1767 croak ("offset outside of scalar");
1768
1769 if (!SvOK (length) || len + offset > svlen)
1770 len = svlen - offset;
1771
1772 {
1773 dREQ;
1774
1775 req->type = EIO_MLOCK;
1776 req->sv2 = SvREFCNT_inc (data);
1777 req->ptr2 = (char *)svptr + offset;
1778 req->size = len;
1779
1780 REQ_SEND;
1781 }
1782}
1783
1784void
1785aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1786 PPCODE:
1787{
1788 dREQ;
1789
1790 req->type = EIO_MLOCKALL;
1791 req->int1 = flags;
1792
1793 REQ_SEND;
1794}
1795
1796void
1797aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1798 PPCODE:
1799{
1800 int fd = s_fileno_croak (fh, 0);
1801 dREQ;
1802
1803 req->type = EIO_CUSTOM;
1804 req->sv1 = newSVsv (fh);
1805 req->int1 = fd;
1806
1807 req->feed = fiemap;
1808#if HAVE_FIEMAP
1809 /* keep our fingers crossed that the next two types are 64 bit */
1810 req->offs = start;
1811 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1812 req->int2 = flags;
1813 req->int3 = SvOK (count) ? SvIV (count) : -1;
1814#endif
1815
1816 REQ_SEND;
1817}
1818
1819void
1820aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1821 PPCODE:
1822{
1823 char *svptr = 0;
1824
1825 sv_clear_foreign (data);
1826
1827 if (length) /* known length, directly read into scalar */
1828 {
1829 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1830 svptr = sv_grow (data, length + 1);
1831 else if (SvCUR (data) < length)
1832 croak ("length outside of scalar, and cannot grow");
1833 else
1834 svptr = SvPVbyte_nolen (data);
1835 }
1836
1837 {
1838 dREQ;
1839
1840 req->type = EIO_SLURP;
1841 req_set_path1 (req, pathname);
1842 req->offs = offset;
1843 req->size = length;
1844 req->sv2 = SvREFCNT_inc (data);
1845 req->ptr2 = svptr;
1846
1847 if (!SvREADONLY (data))
1848 {
1849 SvREADONLY_on (data);
1850 req->flags |= FLAG_SV2_RO_OFF;
1851 }
1852
1853 REQ_SEND;
1854 }
1855}
1856
1857void
1275aio_busy (double delay, SV *callback=&PL_sv_undef) 1858aio_busy (double delay, SV *callback = &PL_sv_undef)
1276 PPCODE: 1859 PPCODE:
1277{ 1860{
1278 dREQ; 1861 dREQ;
1279 1862
1280 req->type = EIO_BUSY; 1863 req->type = EIO_BUSY;
… …
1282 1865
1283 REQ_SEND; 1866 REQ_SEND;
1284} 1867}
1285 1868
1286void 1869void
1287aio_group (SV *callback=&PL_sv_undef) 1870aio_group (SV *callback = &PL_sv_undef)
1288 PROTOTYPE: ;$
1289 PPCODE: 1871 PPCODE:
1290{ 1872{
1291 dREQ; 1873 dREQ;
1292 1874
1293 req->type = EIO_GROUP; 1875 req->type = EIO_GROUP;
1294 1876
1877 PUTBACK;
1295 req_submit (req); 1878 req_submit (req);
1879 SPAGAIN;
1880
1296 XPUSHs (req_sv (req, aio_grp_stash)); 1881 XPUSHs (req_sv (req, aio_grp_stash));
1297} 1882}
1298 1883
1299void 1884void
1300aio_nop (SV *callback=&PL_sv_undef) 1885aio_nop (SV *callback = &PL_sv_undef)
1301 ALIAS: 1886 ALIAS:
1302 aio_nop = EIO_NOP 1887 aio_nop = EIO_NOP
1303 aio_sync = EIO_SYNC 1888 aio_sync = EIO_SYNC
1304 PPCODE: 1889 PPCODE:
1305{ 1890{
… …
1309 1894
1310 REQ_SEND; 1895 REQ_SEND;
1311} 1896}
1312 1897
1313int 1898int
1314aioreq_pri (int pri = 0) 1899aioreq_pri (int pri = NO_INIT)
1315 PROTOTYPE: ;$
1316 CODE: 1900 CODE:
1317 RETVAL = next_pri; 1901 RETVAL = next_pri;
1318 if (items > 0) 1902 if (items > 0)
1319 { 1903 {
1320 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1904 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1332 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1916 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1333 next_pri = nice; 1917 next_pri = nice;
1334 1918
1335void 1919void
1336flush () 1920flush ()
1337 PROTOTYPE:
1338 CODE: 1921 CODE:
1339 while (eio_nreqs ()) 1922 while (eio_nreqs ())
1340 { 1923 {
1341 poll_wait (); 1924 poll_wait ();
1342 poll_cb (); 1925 poll_cb ();
1343 } 1926 }
1344 1927
1345int 1928int
1346poll() 1929poll ()
1347 PROTOTYPE:
1348 CODE: 1930 CODE:
1349 poll_wait (); 1931 poll_wait ();
1350 RETVAL = poll_cb (); 1932 RETVAL = poll_cb ();
1351 OUTPUT: 1933 OUTPUT:
1352 RETVAL 1934 RETVAL
1353 1935
1354int 1936int
1355poll_fileno() 1937poll_fileno ()
1356 PROTOTYPE:
1357 CODE: 1938 CODE:
1358 RETVAL = s_epipe_fd (&respipe); 1939 RETVAL = s_epipe_fd (&respipe);
1359 OUTPUT: 1940 OUTPUT:
1360 RETVAL 1941 RETVAL
1361 1942
1362int 1943int
1363poll_cb(...) 1944poll_cb (...)
1364 PROTOTYPE: 1945 PROTOTYPE:
1365 CODE: 1946 CODE:
1366 RETVAL = poll_cb (); 1947 RETVAL = poll_cb ();
1367 OUTPUT: 1948 OUTPUT:
1368 RETVAL 1949 RETVAL
1369 1950
1370void 1951void
1371poll_wait() 1952poll_wait ()
1372 PROTOTYPE:
1373 CODE: 1953 CODE:
1374 poll_wait (); 1954 poll_wait ();
1375 1955
1376int 1956int
1377nreqs() 1957nreqs ()
1378 PROTOTYPE:
1379 CODE: 1958 CODE:
1380 RETVAL = eio_nreqs (); 1959 RETVAL = eio_nreqs ();
1381 OUTPUT: 1960 OUTPUT:
1382 RETVAL 1961 RETVAL
1383 1962
1384int 1963int
1385nready() 1964nready ()
1386 PROTOTYPE:
1387 CODE: 1965 CODE:
1388 RETVAL = eio_nready (); 1966 RETVAL = eio_nready ();
1389 OUTPUT: 1967 OUTPUT:
1390 RETVAL 1968 RETVAL
1391 1969
1392int 1970int
1393npending() 1971npending ()
1394 PROTOTYPE:
1395 CODE: 1972 CODE:
1396 RETVAL = eio_npending (); 1973 RETVAL = eio_npending ();
1397 OUTPUT: 1974 OUTPUT:
1398 RETVAL 1975 RETVAL
1399 1976
1400int 1977int
1401nthreads() 1978nthreads ()
1402 PROTOTYPE:
1403 CODE: 1979 CODE:
1404 RETVAL = eio_nthreads (); 1980 RETVAL = eio_nthreads ();
1405 OUTPUT: 1981 OUTPUT:
1406 RETVAL 1982 RETVAL
1407 1983
1408int 1984int
1409fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1985fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1410 PROTOTYPE: $$$$
1411 CODE: 1986 CODE:
1412 RETVAL = posix_fadvise (fh, offset, length, advice); 1987 RETVAL = posix_fadvise (fh, offset, length, advice);
1413 OUTPUT: 1988 OUTPUT:
1414 RETVAL 1989 RETVAL
1415 1990
1416ssize_t 1991IV
1417sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1992sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418 PROTOTYPE: $$$$
1419 CODE: 1993 CODE:
1420 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1994 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421 OUTPUT: 1995 OUTPUT:
1422 RETVAL 1996 RETVAL
1423 1997
1424void 1998void
1425mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1999mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1426 PROTOTYPE: $$$$$;$
1427 PPCODE: 2000 PPCODE:
1428 sv_unmagic (scalar, MMAP_MAGIC); 2001 sv_clear_foreign (scalar);
1429{ 2002{
1430 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2003 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2004 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1432 if (addr == (void *)-1) 2005 if (addr == (void *)-1)
1433 XSRETURN_NO; 2006 XSRETURN_NO;
1434 2007
1435 sv_force_normal (scalar); 2008 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1436
1437 /* we store the length in mg_obj, as namlen is I32 :/ */
1438 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1439 ->mg_obj = (SV *)length;
1440
1441 SvUPGRADE (scalar, SVt_PV); /* nop... */
1442 2009
1443 if (!(prot & PROT_WRITE)) 2010 if (!(prot & PROT_WRITE))
1444 SvREADONLY_on (scalar); 2011 SvREADONLY_on (scalar);
1445 2012
1446 if (SvLEN (scalar))
1447 Safefree (SvPVX (scalar));
1448
1449 SvPVX (scalar) = (char *)addr;
1450 SvCUR_set (scalar, length);
1451 SvLEN_set (scalar, 0);
1452 SvPOK_only (scalar);
1453
1454 XSRETURN_YES; 2013 XSRETURN_YES;
1455} 2014}
1456 2015
1457void 2016void
1458munmap (SV *scalar) 2017munmap (SV *scalar)
1459 PROTOTYPE: $
1460 CODE: 2018 CODE:
1461 sv_unmagic (scalar, MMAP_MAGIC); 2019 sv_clear_foreign (scalar);
1462 2020
1463int 2021int
1464madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot) 2022madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1465 ALIAS: 2023 ALIAS:
1466 mprotect = 1 2024 mprotect = 1
1467 PROTOTYPE: $$$$
1468 CODE: 2025 CODE:
1469{ 2026{
1470 STRLEN cur; 2027 STRLEN svlen;
1471 char *addr = SvPVbyte (scalar, cur); 2028 void *addr = SvPVbyte (scalar, svlen);
2029 STRLEN len = SvUV (length);
1472 2030
1473 if (offset > cur) 2031 if (offset < 0)
1474 RETVAL = errno = EFAULT; 2032 offset += svlen;
1475 else 2033
2034 if (offset < 0 || offset > svlen)
2035 croak ("offset outside of scalar");
2036
2037 if (!SvOK (length) || len + offset > svlen)
2038 len = svlen - offset;
2039
2040 addr = (void *)(((intptr_t)addr) + offset);
2041 eio_page_align (&addr, &len);
2042
2043 switch (ix)
1476 { 2044 {
1477 if (!SvOK (ST (2)))
1478 length = cur - offset;
1479
1480 if (offset + length > cur)
1481 RETVAL = errno = EFAULT;
1482 else
1483 switch (ix)
1484 {
1485 case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break; 2045 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1486 case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break; 2046 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1487 }
1488 } 2047 }
1489} 2048}
1490 OUTPUT: 2049 OUTPUT:
1491 RETVAL 2050 RETVAL
1492 2051
1493int 2052int
1494mlockall (int flags) 2053munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1495 PROTOTYPE: $
1496 CODE: 2054 CODE:
2055{
2056 STRLEN svlen;
2057 void *addr = SvPVbyte (scalar, svlen);
2058 size_t len = SvUV (length);
2059
2060 if (offset < 0)
2061 offset += svlen;
2062
2063 if (offset < 0 || offset > svlen)
2064 croak ("offset outside of scalar");
2065
2066 if (!SvOK (length) || len + offset > svlen)
2067 len = svlen - offset;
2068
2069 addr = (void *)(((intptr_t)addr) + offset);
2070 eio_page_align (&addr, &len);
1497#if _POSIX_MEMLOCK 2071#if _POSIX_MEMLOCK_RANGE
1498#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2072 RETVAL = munlock (addr, len);
1499 extern int mallopt (int, int);
1500 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1501#endif
1502 mlockall (flags);
1503#else 2073#else
1504 RETVAL = -1; 2074 RETVAL = EIO_ENOSYS ();
1505 errno = ENOSYS;
1506#endif 2075#endif
2076}
1507 OUTPUT: 2077 OUTPUT:
1508 RETVAL 2078 RETVAL
1509 2079
1510int 2080int
1511munlockall () 2081munlockall ()
1512 PROTOTYPE:
1513 CODE: 2082 CODE:
1514#if _POSIX_MEMLOCK 2083#if _POSIX_MEMLOCK
1515 munlockall (); 2084 munlockall ();
1516#else 2085#else
1517 RETVAL = -1; 2086 RETVAL = EIO_ENOSYS ();
1518 errno = ENOSYS;
1519#endif 2087#endif
1520 OUTPUT: 2088 OUTPUT:
1521 RETVAL 2089 RETVAL
2090
2091int
2092splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2093 CODE:
2094{
2095#if HAVE_LINUX_SPLICE
2096 loff_t off_in_, off_out_;
2097 RETVAL = splice (
2098 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2099 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2100 length, flags
2101 );
2102#else
2103 RETVAL = EIO_ENOSYS ();
2104#endif
2105}
2106 OUTPUT:
2107 RETVAL
2108
2109int
2110tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2111 CODE:
2112#if HAVE_LINUX_SPLICE
2113 RETVAL = tee (rfh, wfh, length, flags);
2114#else
2115 RETVAL = EIO_ENOSYS ();
2116#endif
2117 OUTPUT:
2118 RETVAL
2119
2120int
2121pipesize (aio_rfd rfh, int new_size = -1)
2122 PROTOTYPE: $;$
2123 CODE:
2124#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2125 if (new_size >= 0)
2126 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2127 else
2128 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2129#else
2130 errno = ENOSYS;
2131 RETVAL = -1;
2132#endif
2133 OUTPUT:
2134 RETVAL
2135
2136void
2137pipe2 (int flags = 0)
2138 PROTOTYPE: ;$
2139 PPCODE:
2140{
2141 int fd[2];
2142 int res;
2143
2144 if (flags)
2145#if HAVE_PIPE2
2146 res = pipe2 (fd, flags);
2147#else
2148 res = (errno = ENOSYS, -1);
2149#endif
2150 else
2151 res = pipe (fd);
2152
2153 if (!res)
2154 {
2155 EXTEND (SP, 2);
2156 PUSHs (newmortalFH (fd[0], O_RDONLY));
2157 PUSHs (newmortalFH (fd[1], O_WRONLY));
2158 }
2159}
2160
2161UV
2162get_fdlimit ()
2163 CODE:
2164#if HAVE_RLIMITS
2165 struct rlimit rl;
2166 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2167 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2168#endif
2169 XSRETURN_UNDEF;
2170 OUTPUT:
2171 RETVAL
2172
2173void
2174min_fdlimit (UV limit = 0x7fffffffU)
2175 CODE:
2176{
2177#if HAVE_RLIMITS
2178 struct rlimit rl;
2179 rlim_t orig_rlim_max;
2180 UV bit;
2181
2182 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2183 goto fail;
2184
2185 if (rl.rlim_cur == RLIM_INFINITY)
2186 XSRETURN_YES;
2187
2188 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2189
2190 if (rl.rlim_cur < limit)
2191 {
2192 rl.rlim_cur = limit;
2193
2194 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2195 rl.rlim_max = rl.rlim_cur;
2196 }
2197
2198 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2199 XSRETURN_YES;
2200
2201 if (errno == EPERM)
2202 {
2203 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2204 /* our limit overflows a system-wide limit */
2205 /* try an adaptive algorithm, but do not lower the hardlimit */
2206 rl.rlim_max = 0;
2207 for (bit = 0x40000000U; bit; bit >>= 1)
2208 {
2209 rl.rlim_max |= bit;
2210 rl.rlim_cur = rl.rlim_max;
2211
2212 /* nevr decrease the hard limit */
2213 if (rl.rlim_max < orig_rlim_max)
2214 break;
2215
2216 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2217 rl.rlim_max &= ~bit; /* too high, remove bit again */
2218 }
2219
2220 /* now, raise the soft limit to the max permitted */
2221 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2222 {
2223 rl.rlim_cur = rl.rlim_max;
2224 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2225 errno = EPERM;
2226 }
2227 }
2228#endif
2229 fail:
2230 XSRETURN_UNDEF;
2231}
1522 2232
1523void _on_next_submit (SV *cb) 2233void _on_next_submit (SV *cb)
1524 CODE: 2234 CODE:
1525 SvREFCNT_dec (on_next_submit); 2235 SvREFCNT_dec (on_next_submit);
1526 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2236 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1527 2237
1528PROTOTYPES: DISABLE 2238PROTOTYPES: DISABLE
1529 2239
2240MODULE = IO::AIO PACKAGE = IO::AIO::WD
2241
2242BOOT:
2243{
2244 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2245 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2246}
2247
2248void
2249DESTROY (SV *self)
2250 CODE:
2251{
2252 aio_wd wd = SvAIO_WD (self);
2253#if HAVE_AT
2254 {
2255 SV *callback = &PL_sv_undef;
2256 dREQ; /* clobbers next_pri :/ */
2257 next_pri = req->pri; /* restore next_pri */
2258 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2259 req->type = EIO_WD_CLOSE;
2260 req->wd = wd;
2261 REQ_SEND;
2262 }
2263#else
2264 eio_wd_close_sync (wd);
2265#endif
2266}
2267
1530MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2268MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1531 2269
1532void 2270void
1533cancel (aio_req_ornot req) 2271cancel (aio_req_ornot req)
1534 CODE: 2272 CODE:
1535 eio_cancel (req); 2273 eio_cancel (req);
1536 2274
1537void 2275void
1538cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2276cb (aio_req_ornot req, SV *callback = NO_INIT)
1539 PPCODE: 2277 PPCODE:
1540{ 2278{
1541 if (GIMME_V != G_VOID) 2279 if (GIMME_V != G_VOID)
1542 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2280 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1543 2281
1544 if (items > 1) 2282 if (items > 1)
1545 { 2283 {
1546 SV *cb_cv =get_cb (callback); 2284 SV *cb_cv = get_cb (callback);
1547 2285
1548 SvREFCNT_dec (req->callback); 2286 SvREFCNT_dec (req->callback);
1549 req->callback = SvREFCNT_inc (cb_cv); 2287 req->callback = SvREFCNT_inc (cb_cv);
1550 } 2288 }
1551} 2289}
… …
1608limit (aio_req grp, int limit) 2346limit (aio_req grp, int limit)
1609 CODE: 2347 CODE:
1610 eio_grp_limit (grp, limit); 2348 eio_grp_limit (grp, limit);
1611 2349
1612void 2350void
1613feed (aio_req grp, SV *callback=&PL_sv_undef) 2351feed (aio_req grp, SV *callback = &PL_sv_undef)
1614 CODE: 2352 CODE:
1615{ 2353{
1616 SvREFCNT_dec (grp->sv2); 2354 SvREFCNT_dec (grp->sv2);
1617 grp->sv2 = newSVsv (callback); 2355 grp->sv2 = newSVsv (callback);
1618 grp->feed = aio_grp_feed; 2356 grp->feed = aio_grp_feed;

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