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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.181 by root, Tue Feb 15 03:21:41 2011 UTC vs.
Revision 1.225 by root, Sat Dec 29 09:35:39 2012 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_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 21# include <sys/mman.h>
23#endif 22#endif
24 23
24#if __linux__
25# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP
27# include <linux/types.h>
28# include <linux/fiemap.h>
29# define HAVE_FIEMAP 1
30# endif
31#endif
32
25/* perl namespace pollution */ 33/* perl namespace pollution */
26#undef VERSION 34#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 35
77/* perl stupidly overrides readdir and maybe others */ 36/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 37/* with thread-unsafe versions, imagine that :( */
79#undef readdir 38#undef readdir
80#undef opendir 39#undef opendir
81#undef closedir 40#undef closedir
82 41
42#ifdef _WIN32
43
44 // perl overrides all those nice libc functions
45
46 #undef malloc
47 #undef free
48 #undef open
49 #undef read
50 #undef write
51 #undef send
52 #undef recv
53 #undef stat
54 #undef lstat
55 #undef fstat
56 #undef truncate
57 #undef ftruncate
58 #undef open
59 #undef link
60 #undef close
61 #undef unlink
62 #undef mkdir
63 #undef rmdir
64 #undef rename
65 #undef lseek
66 #undef opendir
67 #undef readdir
68 #undef closedir
69 #undef chmod
70 #undef fchmod
71 #undef dup
72 #undef dup2
73 #undef abort
74 #undef pipe
75
76 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 77 #define EIO_STRUCT_STATI64
84 78
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 79#else
91# define VAL64 NV 80
92# define SvVAL64 SvNV 81 #include <sys/time.h>
93# define newSVval64 newSVnv 82 #include <sys/select.h>
83 #include <unistd.h>
84 #include <utime.h>
85 #include <signal.h>
86
87 #define EIO_STRUCT_STAT Stat_t
88
94#endif 89#endif
95 90
96/*****************************************************************************/ 91/*****************************************************************************/
97 92
98#if __GNUC__ >= 3 93#if __GNUC__ >= 3
108 103
109typedef SV SV8; /* byte-sv, used for argument-checking */ 104typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 105typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 106typedef int aio_wfd; /* write file descriptor */
112 107
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 108static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 109
115#define EIO_REQ_MEMBERS \ 110#define EIO_REQ_MEMBERS \
116 SV *callback; \ 111 SV *callback; \
117 SV *sv1, *sv2; \ 112 SV *sv1, *sv2; \
113 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 114 STRLEN stroffset; \
119 SV *self; 115 SV *self;
120 116
121#define EIO_NO_WRAPPERS 1 117#define EIO_NO_WRAPPERS 1
122 118
123#include "libeio/config.h" 119#include "libeio/config.h"
124#include "libeio/eio.h" 120#include "libeio/eio.h"
125 121
126#ifndef POSIX_FADV_NORMAL 122static int req_invoke (eio_req *req);
127# define POSIX_FADV_NORMAL 0 123#define EIO_FINISH(req) req_invoke (req)
128#endif 124static void req_destroy (eio_req *grp);
129#ifndef POSIX_FADV_SEQUENTIAL 125#define EIO_DESTROY(req) req_destroy (req)
130# define POSIX_FADV_SEQUENTIAL 0 126
131#endif 127#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
144 128
145#if !HAVE_POSIX_FADVISE 129#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 130# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 131#endif
148 132
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 133#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 134# 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
212
213#ifndef S_IFIFO
214# define S_IFIFO 0
215#endif
216#ifndef S_IFCHR
217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
236#endif 135#endif
237 136
238#ifndef MAP_ANONYMOUS 137#ifndef MAP_ANONYMOUS
239# ifdef MAP_ANON 138# ifdef MAP_ANON
240# define MAP_ANONYMOUS MAP_ANON 139# define MAP_ANONYMOUS MAP_ANON
241# else 140# else
242# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243# endif 142# endif
244#endif 143#endif
245#ifndef MAP_HUGETLB 144
246# define MAP_HUGETLB 0 145/* defines all sorts of constants to 0 unless they are already defined */
247#endif 146#include "def0.h"
248#ifndef MAP_LOCKED
249# define MAP_LOCKED 0
250#endif
251#ifndef MAP_NORESERVE
252# define MAP_NORESERVE 0
253#endif
254#ifndef MAP_POPULATE
255# define MAP_POPULATE 0
256#endif
257#ifndef MAP_NONBLOCK
258# define MAP_NONBLOCK 0
259#endif
260 147
261#ifndef makedev 148#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min)) 149# define makedev(maj,min) (((maj) << 8) | (min))
263#endif 150#endif
264#ifndef major 151#ifndef major
266#endif 153#endif
267#ifndef minor 154#ifndef minor
268# define minor(dev) ((dev) & 0xff) 155# define minor(dev) ((dev) & 0xff)
269#endif 156#endif
270 157
271#ifndef PAGESIZE 158#if PAGESIZE <= 0
272# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
273#endif 160#endif
274 161
275static int req_invoke (eio_req *req); 162/*****************************************************************************/
276#define EIO_FINISH(req) req_invoke (req) 163
277static void req_destroy (eio_req *grp); 164static void
278#define EIO_DESTROY(req) req_destroy (req) 165fiemap (eio_req *req)
166{
167 req->result = -1;
168
169#if HAVE_FIEMAP
170 /* assume some c99 */
171 struct fiemap *fiemap = 0;
172 size_t end_offset;
173 int count = req->int3;
174
175 req->flags |= EIO_FLAG_PTR1_FREE;
176
177 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
178 /* increase in 3.5kb steps */
179 if (count < 0)
180 count = 8;
181
182 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
183 errno = ENOMEM;
184 if (!fiemap)
185 return;
186
187 req->ptr1 = fiemap;
188
189 fiemap->fm_start = req->offs;
190 fiemap->fm_length = req->size;
191 fiemap->fm_flags = req->int2;
192 fiemap->fm_extent_count = count;
193
194 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
195 return;
196
197 if (req->int3 >= 0 /* not autosizing */
198 || !fiemap->fm_mapped_extents /* no more extents */
199 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200 goto done;
201
202 /* else we have to loop -
203 * it would be tempting (atcually I tried that first) to just query the
204 * number of extents needed, but linux often feels like not returning all
205 * extents, without telling us it left any out. this complicates
206 * this quite a bit.
207 */
208
209 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
210
211 for (;;)
212 {
213 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
214 char scratch[3072];
215 struct fiemap *incmap = (struct fiemap *)scratch;
216
217 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
218 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
219 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
220 incmap->fm_flags = fiemap->fm_flags;
221 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222
223 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224 return;
225
226 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228 errno = ENOMEM;
229 if (!fiemap)
230 return;
231
232 req->ptr1 = fiemap;
233
234 for (count = 0; count < incmap->fm_mapped_extents; ++count)
235 {
236 struct fiemap_extent *e = incmap->fm_extents + count;
237
238 if (e->fe_logical + e->fe_length >= end_offset)
239 goto done;
240
241 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
242
243 if (e->fe_flags & FIEMAP_EXTENT_LAST)
244 goto done;
245
246 }
247 }
248
249done:
250 req->result = 0;
251
252#else
253 errno = ENOSYS;
254#endif
255}
256
257/*****************************************************************************/
279 258
280enum { 259enum {
281 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 260 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
282}; 261};
283 262
284#include "libeio/eio.c"
285
286typedef eio_req *aio_req; 263typedef eio_req *aio_req;
287typedef eio_req *aio_req_ornot; 264typedef eio_req *aio_req_ornot;
265typedef eio_wd aio_wd;
288 266
289static SV *on_next_submit; 267static SV *on_next_submit;
290static int next_pri = EIO_PRI_DEFAULT; 268static int next_pri = EIO_PRI_DEFAULT;
291static int max_outstanding; 269static int max_outstanding;
292 270
293static s_epipe respipe; 271static s_epipe respipe;
294 272
295static void req_destroy (aio_req req); 273static void req_destroy (aio_req req);
296static void req_cancel (aio_req req); 274static void req_cancel (aio_req req);
297 275
298static void want_poll (void) 276static void
277want_poll (void)
299{ 278{
300 /* write a dummy byte to the pipe so fh becomes ready */ 279 /* write a dummy byte to the pipe so fh becomes ready */
301 s_epipe_signal (&respipe); 280 s_epipe_signal (&respipe);
302} 281}
303 282
304static void done_poll (void) 283static void
284done_poll (void)
305{ 285{
306 /* read any signals sent by the worker threads */ 286 /* read any signals sent by the worker threads */
307 s_epipe_drain (&respipe); 287 s_epipe_drain (&respipe);
308} 288}
309 289
310/* must be called at most once */ 290/* must be called at most once */
291static SV *
311static SV *req_sv (aio_req req, HV *stash) 292req_sv (aio_req req, HV *stash)
312{ 293{
313 if (!req->self) 294 if (!req->self)
314 { 295 {
315 req->self = (SV *)newHV (); 296 req->self = (SV *)newHV ();
316 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 297 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
317 } 298 }
318 299
319 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 300 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
320} 301}
321 302
322static aio_req SvAIO_REQ (SV *sv) 303static SV *
304newSVaio_wd (aio_wd wd)
305{
306 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
307}
308
309static aio_req
310SvAIO_REQ (SV *sv)
323{ 311{
324 MAGIC *mg; 312 MAGIC *mg;
325 313
326 if (!SvROK (sv) 314 if (!SvROK (sv)
315 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
327 || (SvSTASH (SvRV (sv)) != aio_grp_stash 316 || (SvSTASH (SvRV (sv)) != aio_grp_stash
328 && SvSTASH (SvRV (sv)) != aio_req_stash 317 && SvSTASH (SvRV (sv)) != aio_req_stash
329 && !sv_derived_from (sv, "IO::AIO::REQ"))) 318 && !sv_derived_from (sv, "IO::AIO::REQ")))
330 croak ("object of class IO::AIO::REQ expected"); 319 croak ("object of class IO::AIO::REQ expected");
331 320
332 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 321 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
333 322
334 return mg ? (aio_req)mg->mg_ptr : 0; 323 return mg ? (aio_req)mg->mg_ptr : 0;
335} 324}
336 325
326static aio_wd
327SvAIO_WD (SV *sv)
328{
329 if (!SvROK (sv)
330 || SvTYPE (SvRV (sv)) != SVt_PVMG
331 || SvSTASH (SvRV (sv)) != aio_wd_stash)
332 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
333
334 return (aio_wd)(long)SvIVX (SvRV (sv));
335}
336
337static void
337static void aio_grp_feed (aio_req grp) 338aio_grp_feed (aio_req grp)
338{ 339{
339 if (grp->sv2 && SvOK (grp->sv2)) 340 if (grp->sv2 && SvOK (grp->sv2))
340 { 341 {
341 dSP; 342 dSP;
342 343
350 FREETMPS; 351 FREETMPS;
351 LEAVE; 352 LEAVE;
352 } 353 }
353} 354}
354 355
356static void
355static void req_submit (eio_req *req) 357req_submit (eio_req *req)
356{ 358{
357 eio_submit (req); 359 eio_submit (req);
358 360
359 if (expect_false (on_next_submit)) 361 if (expect_false (on_next_submit))
360 { 362 {
367 PUTBACK; 369 PUTBACK;
368 call_sv (cb, G_DISCARD | G_EVAL); 370 call_sv (cb, G_DISCARD | G_EVAL);
369 } 371 }
370} 372}
371 373
374static int
372static int req_invoke (eio_req *req) 375req_invoke (eio_req *req)
373{ 376{
374 if (req->flags & FLAG_SV2_RO_OFF) 377 if (req->flags & FLAG_SV2_RO_OFF)
375 SvREADONLY_off (req->sv2); 378 SvREADONLY_off (req->sv2);
376 379
377 if (!EIO_CANCELLED (req) && req->callback) 380 if (!EIO_CANCELLED (req) && req->callback)
398 SvREADONLY_on (sv_result); 401 SvREADONLY_on (sv_result);
399 } 402 }
400 403
401 switch (req->type) 404 switch (req->type)
402 { 405 {
406 case EIO_WD_OPEN:
407 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
408 break;
409
403 case EIO_READDIR: 410 case EIO_READDIR:
404 { 411 {
405 SV *rv = &PL_sv_undef; 412 SV *rv = &PL_sv_undef;
406 413
407 if (req->result >= 0) 414 if (req->result >= 0)
495 case EIO_STATVFS: 502 case EIO_STATVFS:
496 case EIO_FSTATVFS: 503 case EIO_FSTATVFS:
497 { 504 {
498 SV *rv = &PL_sv_undef; 505 SV *rv = &PL_sv_undef;
499 506
507#ifndef _WIN32
500 if (req->result >= 0) 508 if (req->result >= 0)
501 { 509 {
502 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 510 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503 HV *hv = newHV (); 511 HV *hv = newHV ();
512 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
513 * chooses to make it a struct.
514 */
515 unsigned long fsid = 0;
516 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
504 517
505 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 518 rv = sv_2mortal (newRV_noinc ((SV *)hv));
506 519
507 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 520 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
508 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 521 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
510 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 523 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
511 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 524 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
512 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 525 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
513 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 526 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
514 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 527 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
515 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 528 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
516 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 529 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
517 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 530 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518 } 531 }
532#endif
519 533
520 PUSHs (rv); 534 PUSHs (rv);
521 } 535 }
522 536
523 break; 537 break;
539 case EIO_NOP: 553 case EIO_NOP:
540 case EIO_BUSY: 554 case EIO_BUSY:
541 break; 555 break;
542 556
543 case EIO_READLINK: 557 case EIO_READLINK:
558 case EIO_REALPATH:
544 if (req->result > 0) 559 if (req->result > 0)
545 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 560 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
546 break; 561 break;
547 562
548 case EIO_STAT: 563 case EIO_STAT:
549 case EIO_LSTAT: 564 case EIO_LSTAT:
550 case EIO_FSTAT: 565 case EIO_FSTAT:
551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 566 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
567
552 PL_laststatval = req->result; 568 if (!(PL_laststatval = req->result))
569 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 570 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
571
554 PUSHs (sv_result); 572 PUSHs (sv_result);
573 break;
574
575 case EIO_SEEK:
576 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
555 break; 577 break;
556 578
557 case EIO_READ: 579 case EIO_READ:
558 { 580 {
559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 581 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
562 SvSETMAGIC (req->sv2); 584 SvSETMAGIC (req->sv2);
563 PUSHs (sv_result); 585 PUSHs (sv_result);
564 } 586 }
565 break; 587 break;
566 588
589 case EIO_CUSTOM:
590 if (req->feed == fiemap)
591 {
592#if HAVE_FIEMAP
593 if (!req->result)
594 {
595 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
596
597 if (fiemap->fm_extent_count)
598 {
599 AV *av = newAV ();
600 int i;
601
602 while (fiemap->fm_mapped_extents)
603 {
604 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
605 AV *ext_av = newAV ();
606
607 av_store (ext_av, 3, newSVuv (extent->fe_flags));
608 av_store (ext_av, 2, newSVval64 (extent->fe_length));
609 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
610 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
611
612 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
613 }
614
615 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
616 }
617 else
618 {
619 SvIV_set (sv_result, fiemap->fm_mapped_extents);
620 PUSHs (sv_result);
621 }
622 }
623#endif
624 }
625 else
626 PUSHs (sv_result);
627 break;
628
567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 629 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
568 if (req->result > 0) 630 if (req->result > 0)
569 SvIV_set (sv_result, 0); 631 SvIV_set (sv_result, 0);
570 /* FALLTHROUGH */ 632 /* FALLTHROUGH */
571 633
592 } 654 }
593 655
594 return !!SvTRUE (ERRSV); 656 return !!SvTRUE (ERRSV);
595} 657}
596 658
659static void
597static void req_destroy (aio_req req) 660req_destroy (aio_req req)
598{ 661{
599 if (req->self) 662 if (req->self)
600 { 663 {
601 sv_unmagic (req->self, PERL_MAGIC_ext); 664 sv_unmagic (req->self, PERL_MAGIC_ext);
602 SvREFCNT_dec (req->self); 665 SvREFCNT_dec (req->self);
603 } 666 }
604 667
605 SvREFCNT_dec (req->sv1); 668 SvREFCNT_dec (req->sv1);
606 SvREFCNT_dec (req->sv2); 669 SvREFCNT_dec (req->sv2);
670 SvREFCNT_dec (req->sv3);
671 SvREFCNT_dec (req->sv4);
607 SvREFCNT_dec (req->callback); 672 SvREFCNT_dec (req->callback);
608 673
609 Safefree (req); 674 free (req);
610} 675}
611 676
677static void
612static void req_cancel_subs (aio_req grp) 678req_cancel_subs (aio_req grp)
613{ 679{
614 aio_req sub;
615
616 if (grp->type != EIO_GROUP) 680 if (grp->type != EIO_GROUP)
617 return; 681 return;
618 682
619 SvREFCNT_dec (grp->sv2); 683 SvREFCNT_dec (grp->sv2);
620 grp->sv2 = 0; 684 grp->sv2 = 0;
621 685
622 eio_grp_cancel (grp); 686 eio_grp_cancel (grp);
623} 687}
624 688
625static void 689static void ecb_cold
626create_respipe (void) 690create_respipe (void)
627{ 691{
628 if (s_epipe_renew (&respipe)) 692 if (s_epipe_renew (&respipe))
629 croak ("IO::AIO: unable to initialize result pipe"); 693 croak ("IO::AIO: unable to initialize result pipe");
630} 694}
631 695
632static void poll_wait (void) 696static void
697poll_wait (void)
633{ 698{
634 while (eio_nreqs ()) 699 while (eio_nreqs ())
635 { 700 {
636 int size; 701 int size;
637 702
646 711
647 s_epipe_wait (&respipe); 712 s_epipe_wait (&respipe);
648 } 713 }
649} 714}
650 715
651static int poll_cb (void) 716static int
717poll_cb (void)
652{ 718{
653 for (;;) 719 for (;;)
654 { 720 {
655 int res = eio_poll (); 721 int res = eio_poll ();
656 722
662 728
663 poll_wait (); 729 poll_wait ();
664 } 730 }
665} 731}
666 732
667static void atfork_child (void) 733static void ecb_cold
734reinit (void)
668{ 735{
669 create_respipe (); 736 create_respipe ();
737
738 if (eio_init (want_poll, done_poll) < 0)
739 croak ("IO::AIO: unable to initialise eio library");
670} 740}
671 741
672/*****************************************************************************/ 742/*****************************************************************************/
673 743
674#if !_POSIX_MAPPED_FILES 744#if !_POSIX_MAPPED_FILES
675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 745# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
676# define munmap(addr,length) (errno = ENOSYS, -1) 746# define munmap(addr,length) EIO_ENOSYS ()
677#endif 747#endif
678 748
679#if !_POSIX_MEMORY_PROTECTION 749#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 750# define mprotect(addr,len,prot) EIO_ENOSYS ()
681# define PROT_NONE 0 751# define PROT_NONE 0
682# define PROT_WRITE 0 752# define PROT_WRITE 0
683# define MAP_PRIVATE 0 753# define MAP_PRIVATE 0
684# define MAP_SHARED 0 754# define MAP_SHARED 0
685# define MAP_FIXED 0 755# define MAP_FIXED 0
686#endif 756#endif
687 757
688#define MMAP_MAGIC PERL_MAGIC_ext 758#define MMAP_MAGIC PERL_MAGIC_ext
689 759
690static int 760static int ecb_cold
691mmap_free (pTHX_ SV *sv, MAGIC *mg) 761mmap_free (pTHX_ SV *sv, MAGIC *mg)
692{ 762{
693 int old_errno = errno; 763 int old_errno = errno;
694 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 764 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695 errno = old_errno; 765 errno = old_errno;
719{ 789{
720 SvGETMAGIC (cb_sv); 790 SvGETMAGIC (cb_sv);
721 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 791 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
722} 792}
723 793
794static aio_req ecb_noinline
795dreq (SV *callback)
796{
797 SV *cb_cv;
798 aio_req req;
799 int req_pri = next_pri;
800 next_pri = EIO_PRI_DEFAULT;
801
802 cb_cv = get_cb (callback);
803
804 req = calloc (sizeof (*req), 1);
805 if (!req)
806 croak ("out of memory during eio_req allocation");
807
808 req->callback = SvREFCNT_inc (cb_cv);
809 req->pri = req_pri;
810
811 return req;
812}
813
724#define dREQ \ 814#define dREQ \
725 SV *cb_cv; \ 815 aio_req req = dreq (callback); \
726 aio_req req; \
727 int req_pri = next_pri; \
728 next_pri = EIO_PRI_DEFAULT; \
729 \
730 cb_cv = get_cb (callback); \
731 \
732 Newz (0, req, 1, eio_req); \
733 if (!req) \
734 croak ("out of memory during eio_req allocation"); \
735 \
736 req->callback = SvREFCNT_inc (cb_cv); \
737 req->pri = req_pri
738 816
739#define REQ_SEND \ 817#define REQ_SEND \
740 PUTBACK; \ 818 PUTBACK; \
741 req_submit (req); \ 819 req_submit (req); \
742 SPAGAIN; \ 820 SPAGAIN; \
743 \ 821 \
744 if (GIMME_V != G_VOID) \ 822 if (GIMME_V != G_VOID) \
745 XPUSHs (req_sv (req, aio_req_stash)); 823 XPUSHs (req_sv (req, aio_req_stash));
746 824
825ecb_inline void
826req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
827{
828 if (expect_false (SvROK (path)))
829 {
830 SV *rv = SvRV (path);
831 SV *wdob;
832
833 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
834 {
835 path = AvARRAY (rv)[1];
836 wdob = AvARRAY (rv)[0];
837
838 if (SvOK (wdob))
839 {
840 *wd = SvAIO_WD (wdob);
841 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
842 }
843 else
844 *wd = EIO_INVALID_WD;
845 }
846 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
847 {
848 *wd = (aio_wd)(long)SvIVX (rv);
849 *wdsv = SvREFCNT_inc_NN (rv);
850 *ptr = ".";
851 return; /* path set to "." */
852 }
853 else
854 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
855 }
856
857 *pathsv = newSVsv (path);
858 *ptr = SvPVbyte_nolen (*pathsv);
859}
860
861static void ecb_noinline
862req_set_path1 (aio_req req, SV *path)
863{
864 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
865}
866
867static void ecb_noinline
868req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
869{
870 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
871
872 switch (SvTYPE (rv))
873 {
874 case SVt_PVIO:
875 case SVt_PVLV:
876 case SVt_PVGV:
877 req->type = type_fh;
878 req->sv1 = newSVsv (fh_or_path);
879 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
880 break;
881
882 default:
883 req->type = type_path;
884 req_set_path1 (req, fh_or_path);
885 break;
886 }
887}
888
889XS(boot_IO__AIO) ecb_cold;
890
747MODULE = IO::AIO PACKAGE = IO::AIO 891MODULE = IO::AIO PACKAGE = IO::AIO
748 892
749PROTOTYPES: ENABLE 893PROTOTYPES: ENABLE
750 894
751BOOT: 895BOOT:
755 IV iv; 899 IV iv;
756 } *civ, const_iv[] = { 900 } *civ, const_iv[] = {
757# define const_niv(name, value) { # name, (IV) value }, 901# define const_niv(name, value) { # name, (IV) value },
758# define const_iv(name) { # name, (IV) name }, 902# define const_iv(name) { # name, (IV) name },
759# define const_eio(name) { # name, (IV) EIO_ ## name }, 903# define const_eio(name) { # name, (IV) EIO_ ## name },
904
905 /* you have to re-run ./gendef0 after adding/Removing any constants here */
906
907 const_iv (ENOSYS)
760 const_iv (EXDEV) 908 const_iv (EXDEV)
761 const_iv (ENOSYS) 909 const_iv (EBADR)
910
762 const_iv (O_RDONLY) 911 const_iv (O_RDONLY)
763 const_iv (O_WRONLY) 912 const_iv (O_WRONLY)
764 const_iv (O_RDWR) 913 const_iv (O_RDWR)
765 const_iv (O_CREAT) 914 const_iv (O_CREAT)
766 const_iv (O_TRUNC) 915 const_iv (O_TRUNC)
767 const_iv (O_EXCL) 916 const_iv (O_EXCL)
768 const_iv (O_APPEND) 917 const_iv (O_APPEND)
918
919 const_iv (O_ASYNC)
920 const_iv (O_DIRECT)
921 const_iv (O_NOATIME)
922
923 const_iv (O_CLOEXEC)
924 const_iv (O_NOCTTY)
925 const_iv (O_NOFOLLOW)
926 const_iv (O_NONBLOCK)
927 const_iv (O_EXEC)
928 const_iv (O_SEARCH)
929 const_iv (O_DIRECTORY)
930 const_iv (O_DSYNC)
931 const_iv (O_RSYNC)
932 const_iv (O_SYNC)
933 const_iv (O_TTY_INIT)
769 934
770 const_iv (S_IFIFO) 935 const_iv (S_IFIFO)
771 const_iv (S_IFCHR) 936 const_iv (S_IFCHR)
772 const_iv (S_IFBLK) 937 const_iv (S_IFBLK)
773 const_iv (S_IFLNK) 938 const_iv (S_IFLNK)
818 const_iv (MAP_LOCKED) 983 const_iv (MAP_LOCKED)
819 const_iv (MAP_NORESERVE) 984 const_iv (MAP_NORESERVE)
820 const_iv (MAP_POPULATE) 985 const_iv (MAP_POPULATE)
821 const_iv (MAP_NONBLOCK) 986 const_iv (MAP_NONBLOCK)
822 987
988 const_iv (FIEMAP_FLAG_SYNC)
989 const_iv (FIEMAP_FLAG_XATTR)
990 const_iv (FIEMAP_FLAGS_COMPAT)
991 const_iv (FIEMAP_EXTENT_LAST)
992 const_iv (FIEMAP_EXTENT_UNKNOWN)
993 const_iv (FIEMAP_EXTENT_DELALLOC)
994 const_iv (FIEMAP_EXTENT_ENCODED)
995 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
996 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
997 const_iv (FIEMAP_EXTENT_DATA_INLINE)
998 const_iv (FIEMAP_EXTENT_DATA_TAIL)
999 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1000 const_iv (FIEMAP_EXTENT_MERGED)
1001 const_iv (FIEMAP_EXTENT_SHARED)
1002
1003 const_iv (SPLICE_F_MOVE)
1004 const_iv (SPLICE_F_NONBLOCK)
1005 const_iv (SPLICE_F_MORE)
1006 const_iv (SPLICE_F_GIFT)
1007
1008 const_iv (SEEK_DATA)
1009 const_iv (SEEK_HOLE)
1010
1011 /* libeio constants */
1012 const_eio (SEEK_SET)
1013 const_eio (SEEK_CUR)
1014 const_eio (SEEK_END)
1015
823 const_eio (MCL_FUTURE) 1016 const_eio (MCL_FUTURE)
824 const_eio (MCL_CURRENT) 1017 const_eio (MCL_CURRENT)
825 1018
826 const_eio (MS_ASYNC) 1019 const_eio (MS_ASYNC)
827 const_eio (MS_INVALIDATE) 1020 const_eio (MS_INVALIDATE)
830 const_eio (MT_MODIFY) 1023 const_eio (MT_MODIFY)
831 1024
832 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1025 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
833 const_eio (SYNC_FILE_RANGE_WRITE) 1026 const_eio (SYNC_FILE_RANGE_WRITE)
834 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1027 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1028
1029 const_eio (FALLOC_FL_KEEP_SIZE)
1030 const_eio (FALLOC_FL_PUNCH_HOLE)
835 1031
836 const_eio (READDIR_DENTS) 1032 const_eio (READDIR_DENTS)
837 const_eio (READDIR_DIRS_FIRST) 1033 const_eio (READDIR_DIRS_FIRST)
838 const_eio (READDIR_STAT_ORDER) 1034 const_eio (READDIR_STAT_ORDER)
839 const_eio (READDIR_FOUND_UNKNOWN) 1035 const_eio (READDIR_FOUND_UNKNOWN)
850 }; 1046 };
851 1047
852 aio_stash = gv_stashpv ("IO::AIO" , 1); 1048 aio_stash = gv_stashpv ("IO::AIO" , 1);
853 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1049 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
854 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1050 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1051 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
855 1052
856 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1053 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
857 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1054 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
858 1055
859 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1056 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860 1057
861 create_respipe (); 1058 reinit ();
862
863 if (eio_init (want_poll, done_poll) < 0)
864 croak ("IO::AIO: unable to initialise eio library");
865
866 /* atfork child called in fifo order, so before eio's handler */
867 X_THREAD_ATFORK (0, 0, atfork_child);
868} 1059}
1060
1061void
1062reinit ()
1063 PROTOTYPE:
869 1064
870void 1065void
871max_poll_reqs (unsigned int nreqs) 1066max_poll_reqs (unsigned int nreqs)
872 PROTOTYPE: $ 1067 PROTOTYPE: $
873 CODE: 1068 CODE:
908 PROTOTYPE: $ 1103 PROTOTYPE: $
909 CODE: 1104 CODE:
910 max_outstanding = maxreqs; 1105 max_outstanding = maxreqs;
911 1106
912void 1107void
1108aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
1109 PPCODE:
1110{
1111 dREQ;
1112
1113 req->type = EIO_WD_OPEN;
1114 req_set_path1 (req, pathname);
1115
1116 REQ_SEND;
1117}
1118
1119void
913aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1120aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
914 PPCODE: 1121 PPCODE:
915{ 1122{
916 dREQ; 1123 dREQ;
917 1124
918 req->type = EIO_OPEN; 1125 req->type = EIO_OPEN;
919 req->sv1 = newSVsv (pathname); 1126 req_set_path1 (req, pathname);
920 req->ptr1 = SvPVbyte_nolen (req->sv1);
921 req->int1 = flags; 1127 req->int1 = flags;
922 req->int2 = mode; 1128 req->int2 = mode;
923 1129
924 REQ_SEND; 1130 REQ_SEND;
925} 1131}
927void 1133void
928aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1134aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
929 ALIAS: 1135 ALIAS:
930 aio_fsync = EIO_FSYNC 1136 aio_fsync = EIO_FSYNC
931 aio_fdatasync = EIO_FDATASYNC 1137 aio_fdatasync = EIO_FDATASYNC
1138 aio_syncfs = EIO_SYNCFS
932 PPCODE: 1139 PPCODE:
933{ 1140{
934 int fd = s_fileno_croak (fh, 0); 1141 int fd = s_fileno_croak (fh, 0);
935 dREQ; 1142 dREQ;
936 1143
937 req->type = ix; 1144 req->type = ix;
938 req->sv1 = newSVsv (fh); 1145 req->sv1 = newSVsv (fh);
939 req->int1 = fd; 1146 req->int1 = fd;
940 1147
941 REQ_SEND (req); 1148 REQ_SEND;
942} 1149}
943 1150
944void 1151void
945aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1152aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
946 PPCODE: 1153 PPCODE:
947{ 1154{
948 int fd = s_fileno_croak (fh, 0); 1155 int fd = s_fileno_croak (fh, 0);
949 dREQ; 1156 dREQ;
950 1157
951 req->type = EIO_SYNC_FILE_RANGE; 1158 req->type = EIO_SYNC_FILE_RANGE;
952 req->sv1 = newSVsv (fh); 1159 req->sv1 = newSVsv (fh);
953 req->int1 = fd; 1160 req->int1 = fd;
954 req->offs = offset; 1161 req->offs = offset;
955 req->size = nbytes; 1162 req->size = nbytes;
956 req->int2 = flags; 1163 req->int2 = flags;
957 1164
958 REQ_SEND (req); 1165 REQ_SEND;
1166}
1167
1168void
1169aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1170 PPCODE:
1171{
1172 int fd = s_fileno_croak (fh, 0);
1173 dREQ;
1174
1175 req->type = EIO_FALLOCATE;
1176 req->sv1 = newSVsv (fh);
1177 req->int1 = fd;
1178 req->int2 = mode;
1179 req->offs = offset;
1180 req->size = len;
1181
1182 REQ_SEND;
959} 1183}
960 1184
961void 1185void
962aio_close (SV *fh, SV *callback=&PL_sv_undef) 1186aio_close (SV *fh, SV *callback=&PL_sv_undef)
963 PPCODE: 1187 PPCODE:
964{ 1188{
965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1189 static int close_fd = -1; /* dummy fd to close fds via dup2 */
966 int fd = s_fileno_croak (fh, 0); 1190 int fd = s_fileno_croak (fh, 0);
967 dREQ; 1191 dREQ;
968 1192
969 if (close_pipe < 0) 1193 if (expect_false (close_fd < 0))
970 { 1194 {
971 int pipefd [2]; 1195 int pipefd [2];
972 1196
1197 if (
1198#ifdef _WIN32
1199 _pipe (pipefd, 1, _O_BINARY) < 0
1200#else
973 if (pipe (pipefd) < 0 1201 pipe (pipefd) < 0
974 || close (pipefd [1]) < 0
975 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1202 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1203#endif
1204 || close (pipefd [1]) < 0
1205 )
976 abort (); /*D*/ 1206 abort (); /*D*/
977 1207
978 close_pipe = pipefd [0]; 1208 close_fd = pipefd [0];
979 } 1209 }
980 1210
981 req->type = EIO_DUP2; 1211 req->type = EIO_DUP2;
982 req->int1 = close_pipe; 1212 req->int1 = close_fd;
983 req->sv2 = newSVsv (fh); 1213 req->sv2 = newSVsv (fh);
984 req->int2 = fd; 1214 req->int2 = fd;
985 1215
986 REQ_SEND (req); 1216 REQ_SEND;
1217}
1218
1219void
1220aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1221 PPCODE:
1222{
1223 int fd = s_fileno_croak (fh, 0);
1224 dREQ;
1225
1226 req->type = EIO_SEEK;
1227 req->sv1 = newSVsv (fh);
1228 req->int1 = fd;
1229 req->offs = SvVAL64 (offset);
1230 req->int2 = whence;
1231
1232 REQ_SEND;
987} 1233}
988 1234
989void 1235void
990aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1236aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
991 ALIAS: 1237 ALIAS:
1012 } 1258 }
1013 else 1259 else
1014 { 1260 {
1015 /* read: check type and grow scalar as necessary */ 1261 /* read: check type and grow scalar as necessary */
1016 SvUPGRADE (data, SVt_PV); 1262 SvUPGRADE (data, SVt_PV);
1263 if (SvLEN (data) >= SvCUR (data))
1017 svptr = SvGROW (data, len + dataoffset + 1); 1264 svptr = SvGROW (data, len + dataoffset + 1);
1265 else if (SvCUR (data) < len + dataoffset)
1266 croak ("length + dataoffset outside of scalar, and cannot grow");
1018 } 1267 }
1019 1268
1020 { 1269 {
1021 dREQ; 1270 dREQ;
1022 1271
1038 REQ_SEND; 1287 REQ_SEND;
1039 } 1288 }
1040} 1289}
1041 1290
1042void 1291void
1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1292aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1293 ALIAS:
1294 aio_readlink = EIO_READLINK
1295 aio_realpath = EIO_REALPATH
1044 PPCODE: 1296 PPCODE:
1045{ 1297{
1046 SV *data;
1047 dREQ; 1298 dREQ;
1048 1299
1049 req->type = EIO_READLINK; 1300 req->type = ix;
1050 req->sv1 = newSVsv (path); 1301 req_set_path1 (req, pathname);
1051 req->ptr1 = SvPVbyte_nolen (req->sv1);
1052 1302
1053 REQ_SEND; 1303 REQ_SEND;
1054} 1304}
1055 1305
1056void 1306void
1057aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1307aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1058 PPCODE: 1308 PPCODE:
1059{ 1309{
1060 int ifd = s_fileno_croak (in_fh , 0); 1310 int ifd = s_fileno_croak (in_fh , 0);
1061 int ofd = s_fileno_croak (out_fh, 1); 1311 int ofd = s_fileno_croak (out_fh, 1);
1062 dREQ; 1312 dREQ;
1063 1313
1064 req->type = EIO_SENDFILE; 1314 req->type = EIO_SENDFILE;
1065 req->sv1 = newSVsv (out_fh); 1315 req->sv1 = newSVsv (out_fh);
1066 req->int1 = ofd; 1316 req->int1 = ofd;
1074 1324
1075void 1325void
1076aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1326aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1077 PPCODE: 1327 PPCODE:
1078{ 1328{
1079 int fd = s_fileno_croak (fh, 0); 1329 int fd = s_fileno_croak (fh, 0);
1080 dREQ; 1330 dREQ;
1081 1331
1082 req->type = EIO_READAHEAD; 1332 req->type = EIO_READAHEAD;
1083 req->sv1 = newSVsv (fh); 1333 req->sv1 = newSVsv (fh);
1084 req->int1 = fd; 1334 req->int1 = fd;
1096 aio_statvfs = EIO_STATVFS 1346 aio_statvfs = EIO_STATVFS
1097 PPCODE: 1347 PPCODE:
1098{ 1348{
1099 dREQ; 1349 dREQ;
1100 1350
1101 req->sv1 = newSVsv (fh_or_path); 1351 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1102
1103 if (SvPOK (req->sv1))
1104 {
1105 req->type = ix;
1106 req->ptr1 = SvPVbyte_nolen (req->sv1);
1107 }
1108 else
1109 {
1110 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1111 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1112 }
1113 1352
1114 REQ_SEND; 1353 REQ_SEND;
1115} 1354}
1116 1355
1117UV 1356UV
1136{ 1375{
1137 dREQ; 1376 dREQ;
1138 1377
1139 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1378 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1140 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1379 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1141 req->sv1 = newSVsv (fh_or_path); 1380 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1142
1143 if (SvPOK (req->sv1))
1144 {
1145 req->type = EIO_UTIME;
1146 req->ptr1 = SvPVbyte_nolen (req->sv1);
1147 }
1148 else
1149 {
1150 req->type = EIO_FUTIME;
1151 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1152 }
1153 1381
1154 REQ_SEND; 1382 REQ_SEND;
1155} 1383}
1156 1384
1157void 1385void
1158aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1386aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1159 PPCODE: 1387 PPCODE:
1160{ 1388{
1161 dREQ; 1389 dREQ;
1162 1390
1163 req->sv1 = newSVsv (fh_or_path);
1164 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1391 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1165 1392 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1166 if (SvPOK (req->sv1))
1167 {
1168 req->type = EIO_TRUNCATE;
1169 req->ptr1 = SvPVbyte_nolen (req->sv1);
1170 }
1171 else
1172 {
1173 req->type = EIO_FTRUNCATE;
1174 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1175 }
1176 1393
1177 REQ_SEND; 1394 REQ_SEND;
1178} 1395}
1179 1396
1180void 1397void
1181aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1398aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1182 ALIAS:
1183 aio_chmod = EIO_CHMOD
1184 aio_mkdir = EIO_MKDIR
1185 PPCODE: 1399 PPCODE:
1186{ 1400{
1187 dREQ; 1401 dREQ;
1188 1402
1189 req->int2 = mode; 1403 req->int2 = mode;
1190 req->sv1 = newSVsv (fh_or_path); 1404 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1191
1192 if (SvPOK (req->sv1))
1193 {
1194 req->type = ix;
1195 req->ptr1 = SvPVbyte_nolen (req->sv1);
1196 }
1197 else
1198 {
1199 req->type = EIO_FCHMOD;
1200 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201 }
1202 1405
1203 REQ_SEND; 1406 REQ_SEND;
1204} 1407}
1205 1408
1206void 1409void
1209{ 1412{
1210 dREQ; 1413 dREQ;
1211 1414
1212 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1415 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1213 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1416 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1214 req->sv1 = newSVsv (fh_or_path); 1417 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1215
1216 if (SvPOK (req->sv1))
1217 {
1218 req->type = EIO_CHOWN;
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 }
1221 else
1222 {
1223 req->type = EIO_FCHOWN;
1224 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1225 }
1226 1418
1227 REQ_SEND; 1419 REQ_SEND;
1228} 1420}
1229 1421
1230void 1422void
1232 PPCODE: 1424 PPCODE:
1233{ 1425{
1234 dREQ; 1426 dREQ;
1235 1427
1236 req->type = EIO_READDIR; 1428 req->type = EIO_READDIR;
1237 req->sv1 = newSVsv (pathname);
1238 req->ptr1 = SvPVbyte_nolen (req->sv1);
1239 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1429 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1240 1430
1241 if (flags & EIO_READDIR_DENTS) 1431 if (flags & EIO_READDIR_DENTS)
1242 req->int1 |= EIO_READDIR_CUSTOM2; 1432 req->int1 |= EIO_READDIR_CUSTOM2;
1243 1433
1434 req_set_path1 (req, pathname);
1435
1244 REQ_SEND; 1436 REQ_SEND;
1437}
1438
1439void
1440aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1441 PPCODE:
1442{
1443 dREQ;
1444
1445 req->type = EIO_MKDIR;
1446 req->int2 = mode;
1447 req_set_path1 (req, pathname);
1448
1449 REQ_SEND;
1245} 1450}
1246 1451
1247void 1452void
1248aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1453aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1249 ALIAS: 1454 ALIAS:
1253 PPCODE: 1458 PPCODE:
1254{ 1459{
1255 dREQ; 1460 dREQ;
1256 1461
1257 req->type = ix; 1462 req->type = ix;
1258 req->sv1 = newSVsv (pathname); 1463 req_set_path1 (req, pathname);
1259 req->ptr1 = SvPVbyte_nolen (req->sv1);
1260 1464
1261 REQ_SEND; 1465 REQ_SEND;
1262} 1466}
1263 1467
1264void 1468void
1267 aio_link = EIO_LINK 1471 aio_link = EIO_LINK
1268 aio_symlink = EIO_SYMLINK 1472 aio_symlink = EIO_SYMLINK
1269 aio_rename = EIO_RENAME 1473 aio_rename = EIO_RENAME
1270 PPCODE: 1474 PPCODE:
1271{ 1475{
1476 eio_wd wd2 = 0;
1272 dREQ; 1477 dREQ;
1273 1478
1274 req->type = ix; 1479 req->type = ix;
1275 req->sv1 = newSVsv (oldpath); 1480 req_set_path1 (req, oldpath);
1276 req->ptr1 = SvPVbyte_nolen (req->sv1); 1481 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1277 req->sv2 = newSVsv (newpath); 1482 req->int3 = (long)wd2;
1278 req->ptr2 = SvPVbyte_nolen (req->sv2);
1279 1483
1280 REQ_SEND; 1484 REQ_SEND;
1281} 1485}
1282 1486
1283void 1487void
1285 PPCODE: 1489 PPCODE:
1286{ 1490{
1287 dREQ; 1491 dREQ;
1288 1492
1289 req->type = EIO_MKNOD; 1493 req->type = EIO_MKNOD;
1290 req->sv1 = newSVsv (pathname);
1291 req->ptr1 = SvPVbyte_nolen (req->sv1);
1292 req->int2 = (mode_t)mode; 1494 req->int2 = (mode_t)mode;
1293 req->offs = dev; 1495 req->offs = dev;
1496 req_set_path1 (req, pathname);
1294 1497
1295 REQ_SEND; 1498 REQ_SEND;
1296} 1499}
1297 1500
1298void 1501void
1365 1568
1366 req->type = EIO_MLOCKALL; 1569 req->type = EIO_MLOCKALL;
1367 req->int1 = flags; 1570 req->int1 = flags;
1368 1571
1369 REQ_SEND; 1572 REQ_SEND;
1573}
1574
1575void
1576aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1577 PPCODE:
1578{
1579 int fd = s_fileno_croak (fh, 0);
1580 dREQ;
1581
1582 req->type = EIO_CUSTOM;
1583 req->sv1 = newSVsv (fh);
1584 req->int1 = fd;
1585
1586 req->feed = fiemap;
1587#if HAVE_FIEMAP
1588 /* keep our fingers crossed that the next two types are 64 bit */
1589 req->offs = start;
1590 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1591 req->int2 = flags;
1592 req->int3 = SvOK (count) ? SvIV (count) : -1;
1593#endif
1594
1595 REQ_SEND;
1370} 1596}
1371 1597
1372void 1598void
1373aio_busy (double delay, SV *callback=&PL_sv_undef) 1599aio_busy (double delay, SV *callback=&PL_sv_undef)
1374 PPCODE: 1600 PPCODE:
1498 CODE: 1724 CODE:
1499 RETVAL = posix_fadvise (fh, offset, length, advice); 1725 RETVAL = posix_fadvise (fh, offset, length, advice);
1500 OUTPUT: 1726 OUTPUT:
1501 RETVAL 1727 RETVAL
1502 1728
1503ssize_t 1729IV
1504sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1730sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1505 CODE: 1731 CODE:
1506 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1732 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1507 OUTPUT: 1733 OUTPUT:
1508 RETVAL 1734 RETVAL
1509 1735
1510void 1736void
1511mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1737mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1512 PPCODE: 1738 PPCODE:
1513 sv_unmagic (scalar, MMAP_MAGIC); 1739 sv_unmagic (scalar, MMAP_MAGIC);
1514{ 1740{
1515 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1741 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1516 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1742 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1549 ALIAS: 1775 ALIAS:
1550 mprotect = 1 1776 mprotect = 1
1551 CODE: 1777 CODE:
1552{ 1778{
1553 STRLEN svlen; 1779 STRLEN svlen;
1554 void *addr = SvPVbyte (scalar, svlen); 1780 void *addr = SvPVbyte (scalar, svlen);
1555 size_t len = SvUV (length); 1781 size_t len = SvUV (length);
1556 1782
1557 if (offset < 0) 1783 if (offset < 0)
1558 offset += svlen; 1784 offset += svlen;
1559 1785
1578int 1804int
1579munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1805munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1580 CODE: 1806 CODE:
1581{ 1807{
1582 STRLEN svlen; 1808 STRLEN svlen;
1583 void *addr = SvPVbyte (scalar, svlen); 1809 void *addr = SvPVbyte (scalar, svlen);
1584 size_t len = SvUV (length); 1810 size_t len = SvUV (length);
1585 1811
1586 if (offset < 0) 1812 if (offset < 0)
1587 offset += svlen; 1813 offset += svlen;
1588 1814
1595 addr = (void *)(((intptr_t)addr) + offset); 1821 addr = (void *)(((intptr_t)addr) + offset);
1596 eio_page_align (&addr, &len); 1822 eio_page_align (&addr, &len);
1597#if _POSIX_MEMLOCK_RANGE 1823#if _POSIX_MEMLOCK_RANGE
1598 RETVAL = munlock (addr, len); 1824 RETVAL = munlock (addr, len);
1599#else 1825#else
1600 RETVAL = ((errno = ENOSYS), -1); 1826 RETVAL = EIO_ENOSYS ();
1601#endif 1827#endif
1602} 1828}
1603 OUTPUT: 1829 OUTPUT:
1604 RETVAL 1830 RETVAL
1605 1831
1607munlockall () 1833munlockall ()
1608 CODE: 1834 CODE:
1609#if _POSIX_MEMLOCK 1835#if _POSIX_MEMLOCK
1610 munlockall (); 1836 munlockall ();
1611#else 1837#else
1612 RETVAL = -1; 1838 RETVAL = EIO_ENOSYS ();
1613 errno = ENOSYS;
1614#endif 1839#endif
1615 OUTPUT: 1840 OUTPUT:
1841 RETVAL
1842
1843int
1844splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1845 CODE:
1846{
1847#if HAVE_LINUX_SPLICE
1848 loff_t off_in_, off_out_;
1849 RETVAL = splice (
1850 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1851 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1852 length, flags
1853 );
1854#else
1855 RETVAL = EIO_ENOSYS ();
1856#endif
1857}
1858 OUTPUT:
1859 RETVAL
1860
1861int
1862tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1863 CODE:
1864#if HAVE_LINUX_SPLICE
1865 RETVAL = tee (rfh, wfh, length, flags);
1866#else
1867 RETVAL = EIO_ENOSYS ();
1868#endif
1869 OUTPUT:
1616 RETVAL 1870 RETVAL
1617 1871
1618void _on_next_submit (SV *cb) 1872void _on_next_submit (SV *cb)
1619 CODE: 1873 CODE:
1620 SvREFCNT_dec (on_next_submit); 1874 SvREFCNT_dec (on_next_submit);
1621 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1875 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1622 1876
1623PROTOTYPES: DISABLE 1877PROTOTYPES: DISABLE
1624 1878
1879MODULE = IO::AIO PACKAGE = IO::AIO::WD
1880
1881BOOT:
1882{
1883 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1884 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1885}
1886
1887void
1888DESTROY (SV *self)
1889 CODE:
1890{
1891 aio_wd wd = SvAIO_WD (self);
1892#if HAVE_AT
1893 {
1894 SV *callback = &PL_sv_undef;
1895 dREQ; /* clobbers next_pri :/ */
1896 next_pri = req->pri; /* restore next_pri */
1897 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1898 req->type = EIO_WD_CLOSE;
1899 req->wd = wd;
1900 REQ_SEND;
1901 }
1902#else
1903 eio_wd_close_sync (wd);
1904#endif
1905}
1906
1625MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1907MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1626 1908
1627void 1909void
1628cancel (aio_req_ornot req) 1910cancel (aio_req_ornot req)
1629 CODE: 1911 CODE:

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