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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.183 by root, Tue Jul 5 09:24:11 2011 UTC vs.
Revision 1.257 by root, Tue Jul 17 23:20:09 2018 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
10 8
11#include <stddef.h> 9#include <stddef.h>
12#include <stdlib.h> 10#include <stdlib.h>
13#include <errno.h> 11#include <errno.h>
14#include <sys/types.h> 12#include <sys/types.h>
15#include <sys/stat.h> 13#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 14#include <limits.h>
18#include <fcntl.h> 15#include <fcntl.h>
19#include <sched.h> 16#include <sched.h>
20 17
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 18#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 19# include <sys/mman.h>
23#endif 20#endif
24 21
22/* the incompetent fool that created musl keeps __linux__, refuses
23 * to implement any linux standard apis, and also has no way to test
24 * for his broken iplementation. don't complain to me if this fails
25 * for you.
26 */
27#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
28# include <linux/fs.h>
29# ifdef FS_IOC_FIEMAP
30# include <linux/types.h>
31# include <linux/fiemap.h>
32# define HAVE_FIEMAP 1
33# endif
34#endif
35
25/* perl namespace pollution */ 36/* perl namespace pollution */
26#undef VERSION 37#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 38
77/* perl stupidly overrides readdir and maybe others */ 39/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 40/* with thread-unsafe versions, imagine that :( */
79#undef readdir 41#undef readdir
80#undef opendir 42#undef opendir
81#undef closedir 43#undef closedir
82 44
45#ifdef _WIN32
46
47 // perl overrides all those nice libc functions
48
49 #undef malloc
50 #undef free
51 #undef open
52 #undef read
53 #undef write
54 #undef send
55 #undef recv
56 #undef stat
57 #undef lstat
58 #undef fstat
59 #undef truncate
60 #undef ftruncate
61 #undef open
62 #undef link
63 #undef close
64 #undef unlink
65 #undef mkdir
66 #undef rmdir
67 #undef rename
68 #undef lseek
69 #undef opendir
70 #undef readdir
71 #undef closedir
72 #undef chmod
73 #undef fchmod
74 #undef dup
75 #undef dup2
76 #undef abort
77 #undef pipe
78
79 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STATI64
84 81
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 82#else
91# define VAL64 NV 83
92# define SvVAL64 SvNV 84 #include <sys/time.h>
93# define newSVval64 newSVnv 85 #include <sys/select.h>
86 #include <unistd.h>
87 #include <utime.h>
88 #include <signal.h>
89
90 #define EIO_STRUCT_STAT Stat_t
91
94#endif 92#endif
95 93
96/*****************************************************************************/ 94/*****************************************************************************/
97 95
98#if __GNUC__ >= 3 96#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 102#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 103#define expect_true(expr) expect ((expr) != 0, 1)
106 104
107/*****************************************************************************/ 105/*****************************************************************************/
108 106
107#include "libeio/config.h"
108
109#include "schmorp.h"
110
111#if HAVE_EVENTFD
112# include <sys/eventfd.h>
113#endif
114
115#if HAVE_TIMERFD
116# include <sys/timerfd.h>
117#endif
118
119#if HAVE_RLIMITS
120 #include <sys/time.h>
121 #include <sys/resource.h>
122#endif
123
109typedef SV SV8; /* byte-sv, used for argument-checking */ 124typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 125typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 126typedef int aio_wfd; /* write file descriptor */
112 127
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 128static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 129
115#define EIO_REQ_MEMBERS \ 130#define EIO_REQ_MEMBERS \
116 SV *callback; \ 131 SV *callback; \
117 SV *sv1, *sv2; \ 132 SV *sv1, *sv2; \
133 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 134 STRLEN stroffset; \
119 SV *self; 135 SV *self;
120 136
121#define EIO_NO_WRAPPERS 1 137#define EIO_NO_WRAPPERS 1
122 138
123#include "libeio/config.h"
124#include "libeio/eio.h" 139#include "libeio/eio.h"
125 140
126/* Linux/others */ 141static int req_invoke (eio_req *req);
127#ifndef O_ASYNC 142#define EIO_FINISH(req) req_invoke (req)
128# define O_ASYNC 0 143static void req_destroy (eio_req *grp);
129#endif 144#define EIO_DESTROY(req) req_destroy (req)
130#ifndef O_DIRECT
131# define O_DIRECT 0
132#endif
133#ifndef O_NOATIME
134# define O_NOATIME 0
135#endif
136 145
137/* POSIX */ 146#include "libeio/eio.c"
138#ifndef O_CLOEXEC
139# define O_CLOEXEC 0
140#endif
141#ifndef O_NOFOLLOW
142# define O_NOFOLLOW 0
143#endif
144#ifndef O_NOCTTY
145# define O_NOCTTY 0
146#endif
147#ifndef O_NONBLOCK
148# define O_NONBLOCK 0
149#endif
150#ifndef O_EXEC
151# define O_EXEC 0
152#endif
153#ifndef O_SEARCH
154# define O_SEARCH 0
155#endif
156#ifndef O_DIRECTORY
157# define O_DIRECTORY 0
158#endif
159#ifndef O_DSYNC
160# define O_DSYNC 0
161#endif
162#ifndef O_RSYNC
163# define O_RSYNC 0
164#endif
165#ifndef O_SYNC
166# define O_SYNC 0
167#endif
168#ifndef O_TTY_INIT
169# define O_TTY_INIT 0
170#endif
171
172#ifndef POSIX_FADV_NORMAL
173# define POSIX_FADV_NORMAL 0
174#endif
175#ifndef POSIX_FADV_SEQUENTIAL
176# define POSIX_FADV_SEQUENTIAL 0
177#endif
178#ifndef POSIX_FADV_RANDOM
179# define POSIX_FADV_RANDOM 0
180#endif
181#ifndef POSIX_FADV_NOREUSE
182# define POSIX_FADV_NOREUSE 0
183#endif
184#ifndef POSIX_FADV_WILLNEED
185# define POSIX_FADV_WILLNEED 0
186#endif
187#ifndef POSIX_FADV_DONTNEED
188# define POSIX_FADV_DONTNEED 0
189#endif
190 147
191#if !HAVE_POSIX_FADVISE 148#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 149# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif 150#endif
194 151
195#ifndef POSIX_MADV_NORMAL
196# define POSIX_MADV_NORMAL 0
197#endif
198#ifndef POSIX_MADV_SEQUENTIAL
199# define POSIX_MADV_SEQUENTIAL 0
200#endif
201#ifndef POSIX_MADV_RANDOM
202# define POSIX_MADV_RANDOM 0
203#endif
204#ifndef POSIX_MADV_WILLNEED
205# define POSIX_MADV_WILLNEED 0
206#endif
207#ifndef POSIX_MADV_DONTNEED
208# define POSIX_MADV_DONTNEED 0
209#endif
210
211#if !HAVE_POSIX_MADVISE 152#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 153# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef PROT_NONE
216# define PROT_NONE 0
217#endif
218#ifndef PROT_READ
219# define PROT_READ 0
220#endif
221#ifndef PROT_WRITE
222# define PROT_READ 0
223#endif
224#ifndef PROT_EXEC
225# define PROT_EXEC 0
226#endif
227
228#ifndef ST_NODEV
229# define ST_NODEV 0
230#endif
231#ifndef ST_NOEXEC
232# define ST_NOEXEC 0
233#endif
234#ifndef ST_SYNCHRONOUS
235# define ST_SYNCHRONOUS 0
236#endif
237#ifndef ST_MANDLOCK
238# define ST_MANDLOCK 0
239#endif
240#ifndef ST_WRITE
241# define ST_WRITE 0
242#endif
243#ifndef ST_APPEND
244# define ST_APPEND 0
245#endif
246#ifndef ST_IMMUTABLE
247# define ST_IMMUTABLE 0
248#endif
249#ifndef ST_NOATIME
250# define ST_NOATIME 0
251#endif
252#ifndef ST_NODIRATIME
253# define ST_NODIRATIME 0
254#endif
255#ifndef ST_RELATIME
256# define ST_RELATIME 0
257#endif
258
259#ifndef S_IFIFO
260# define S_IFIFO 0
261#endif
262#ifndef S_IFCHR
263# define S_IFCHR 0
264#endif
265#ifndef S_IFBLK
266# define S_IFBLK 0
267#endif
268#ifndef S_IFLNK
269# define S_IFLNK 0
270#endif
271#ifndef S_IFREG
272# define S_IFREG 0
273#endif
274#ifndef S_IFDIR
275# define S_IFDIR 0
276#endif
277#ifndef S_IFWHT
278# define S_IFWHT 0
279#endif
280#ifndef S_IFSOCK
281# define S_IFSOCK 0
282#endif 154#endif
283 155
284#ifndef MAP_ANONYMOUS 156#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON 157# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON 158# define MAP_ANONYMOUS MAP_ANON
287# else 159# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 160# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif 161# endif
290#endif 162#endif
291#ifndef MAP_HUGETLB 163
292# define MAP_HUGETLB 0 164/* defines all sorts of constants to 0 unless they are already defined */
293#endif 165/* also provides const_iv_ and const_niv_ macros for them */
294#ifndef MAP_LOCKED 166#include "def0.h"
295# define MAP_LOCKED 0
296#endif
297#ifndef MAP_NORESERVE
298# define MAP_NORESERVE 0
299#endif
300#ifndef MAP_POPULATE
301# define MAP_POPULATE 0
302#endif
303#ifndef MAP_NONBLOCK
304# define MAP_NONBLOCK 0
305#endif
306 167
307#ifndef makedev 168#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min)) 169# define makedev(maj,min) (((maj) << 8) | (min))
309#endif 170#endif
310#ifndef major 171#ifndef major
… …
312#endif 173#endif
313#ifndef minor 174#ifndef minor
314# define minor(dev) ((dev) & 0xff) 175# define minor(dev) ((dev) & 0xff)
315#endif 176#endif
316 177
317#ifndef PAGESIZE 178#if PAGESIZE <= 0
318# define PAGESIZE sysconf (_SC_PAGESIZE) 179# define PAGESIZE sysconf (_SC_PAGESIZE)
319#endif 180#endif
320 181
321static int req_invoke (eio_req *req); 182/*****************************************************************************/
322#define EIO_FINISH(req) req_invoke (req) 183
323static void req_destroy (eio_req *grp); 184#if !_POSIX_MAPPED_FILES
324#define EIO_DESTROY(req) req_destroy (req) 185# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
186# define munmap(addr,length) EIO_ENOSYS ()
187#endif
188
189#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS ()
191#endif
192
193#if !MREMAP_MAYMOVE
194# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
195#endif
196
197#define FOREIGN_MAGIC PERL_MAGIC_ext
198
199static int ecb_cold
200mmap_free (pTHX_ SV *sv, MAGIC *mg)
201{
202 int old_errno = errno;
203 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
204 errno = old_errno;
205
206 mg->mg_obj = 0; /* just in case */
207
208 SvREADONLY_off (sv);
209
210 if (SvPVX (sv) != mg->mg_ptr)
211 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
212
213 SvCUR_set (sv, 0);
214 SvPVX (sv) = 0;
215 SvOK_off (sv);
216
217 return 0;
218}
219
220static MGVTBL mmap_vtbl = {
221 0, 0, 0, 0, mmap_free
222};
223
224static int ecb_cold
225sysfree_free (pTHX_ SV *sv, MAGIC *mg)
226{
227 free (mg->mg_ptr);
228 mg->mg_obj = 0; /* just in case */
229
230 SvREADONLY_off (sv);
231
232 if (SvPVX (sv) != mg->mg_ptr)
233 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
234
235 SvCUR_set (sv, 0);
236 SvPVX (sv) = 0;
237 SvOK_off (sv);
238
239 return 0;
240}
241
242static MGVTBL sysfree_vtbl = {
243 0, 0, 0, 0, sysfree_free
244};
245
246/*****************************************************************************/
247
248/* helper: set scalar to foreign ptr with custom free */
249static void
250sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
251{
252 sv_force_normal (sv);
253
254 /* we store the length in mg_obj, as namlen is I32 :/ */
255 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
256 ->mg_obj = (SV *)length;
257
258 SvUPGRADE (sv, SVt_PV); /* nop... */
259
260 if (SvLEN (sv))
261 Safefree (SvPVX (sv));
262
263 SvPVX (sv) = (char *)addr;
264 SvCUR_set (sv, length);
265 SvLEN_set (sv, 0);
266 SvPOK_only (sv);
267}
268
269static void
270sv_clear_foreign (SV *sv)
271{
272 /* todo: iterate over magic and only free ours, but of course */
273 /* the perl5porters will call that (correct) behaviour buggy */
274 sv_unmagic (sv, FOREIGN_MAGIC);
275}
276
277/*****************************************************************************/
278
279static void
280fiemap (eio_req *req)
281{
282 req->result = -1;
283
284#if HAVE_FIEMAP
285 /* assume some c99 */
286 struct fiemap *fiemap = 0;
287 size_t end_offset;
288 int count = req->int3;
289
290 req->flags |= EIO_FLAG_PTR1_FREE;
291
292 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
293 /* increase in 3.5kb steps */
294 if (count < 0)
295 count = 8;
296
297 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
298 errno = ENOMEM;
299 if (!fiemap)
300 return;
301
302 req->ptr1 = fiemap;
303
304 fiemap->fm_start = req->offs;
305 fiemap->fm_length = req->size;
306 fiemap->fm_flags = req->int2;
307 fiemap->fm_extent_count = count;
308
309 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
310 return;
311
312 if (req->int3 >= 0 /* not autosizing */
313 || !fiemap->fm_mapped_extents /* no more extents */
314 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
315 goto done;
316
317 /* else we have to loop -
318 * it would be tempting (actually I tried that first) to just query the
319 * number of extents needed, but linux often feels like not returning all
320 * extents, without telling us it left any out. this complicates
321 * this quite a bit.
322 */
323
324 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
325
326 for (;;)
327 {
328 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
329 char scratch[3072];
330 struct fiemap *incmap = (struct fiemap *)scratch;
331
332 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
333 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
334 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
335 incmap->fm_flags = fiemap->fm_flags;
336 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
337
338 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
339 return;
340
341 if (!incmap->fm_mapped_extents)
342 goto done;
343
344 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
345 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
346 errno = ENOMEM;
347 if (!fiemap)
348 return;
349
350 req->ptr1 = fiemap;
351
352 for (count = 0; count < incmap->fm_mapped_extents; ++count)
353 {
354 struct fiemap_extent *e = incmap->fm_extents + count;
355
356 if (e->fe_logical + e->fe_length >= end_offset)
357 goto done;
358
359 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
360
361 if (e->fe_flags & FIEMAP_EXTENT_LAST)
362 goto done;
363
364 }
365 }
366
367done:
368 req->result = 0;
369
370#else
371 errno = ENOSYS;
372#endif
373}
374
375/*****************************************************************************/
325 376
326enum { 377enum {
327 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 378 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328}; 379};
329 380
330#include "libeio/eio.c"
331
332typedef eio_req *aio_req; 381typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 382typedef eio_req *aio_req_ornot;
383typedef eio_wd aio_wd;
334 384
335static SV *on_next_submit; 385static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 386static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 387static int max_outstanding;
338 388
339static s_epipe respipe; 389static s_epipe respipe;
340 390
341static void req_destroy (aio_req req); 391static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 392static void req_cancel (aio_req req);
343 393
344static void want_poll (void) 394static void
395want_poll (void)
345{ 396{
346 /* write a dummy byte to the pipe so fh becomes ready */ 397 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 398 s_epipe_signal (&respipe);
348} 399}
349 400
350static void done_poll (void) 401static void
402done_poll (void)
351{ 403{
352 /* read any signals sent by the worker threads */ 404 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 405 s_epipe_drain (&respipe);
354} 406}
355 407
356/* must be called at most once */ 408/* must be called at most once */
409static SV *
357static SV *req_sv (aio_req req, HV *stash) 410req_sv (aio_req req, HV *stash)
358{ 411{
359 if (!req->self) 412 if (!req->self)
360 { 413 {
361 req->self = (SV *)newHV (); 414 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 415 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 416 }
364 417
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 418 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 419}
367 420
368static aio_req SvAIO_REQ (SV *sv) 421static SV *
422newSVaio_wd (aio_wd wd)
423{
424 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
425}
426
427static aio_req
428SvAIO_REQ (SV *sv)
369{ 429{
370 MAGIC *mg; 430 MAGIC *mg;
371 431
372 if (!SvROK (sv) 432 if (!SvROK (sv)
433 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 434 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 435 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 436 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 437 croak ("object of class IO::AIO::REQ expected");
377 438
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 439 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 440
380 return mg ? (aio_req)mg->mg_ptr : 0; 441 return mg ? (aio_req)mg->mg_ptr : 0;
381} 442}
382 443
444static aio_wd
445SvAIO_WD (SV *sv)
446{
447 if (!SvROK (sv)
448 || SvTYPE (SvRV (sv)) != SVt_PVMG
449 || SvSTASH (SvRV (sv)) != aio_wd_stash)
450 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
451
452 return (aio_wd)(long)SvIVX (SvRV (sv));
453}
454
455static SV *
456newmortalFH (int fd, int flags)
457{
458 if (fd < 0)
459 return &PL_sv_undef;
460
461 GV *gv = (GV *)sv_newmortal ();
462 char sym[64];
463 int symlen;
464
465 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
466 gv_init (gv, aio_stash, sym, symlen, 0);
467
468 symlen = snprintf (
469 sym,
470 sizeof (sym),
471 "%s&=%d",
472 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
473 fd
474 );
475
476 return do_open (gv, sym, symlen, 0, 0, 0, 0)
477 ? (SV *)gv : &PL_sv_undef;
478}
479
480static void
383static void aio_grp_feed (aio_req grp) 481aio_grp_feed (aio_req grp)
384{ 482{
385 if (grp->sv2 && SvOK (grp->sv2)) 483 if (grp->sv2 && SvOK (grp->sv2))
386 { 484 {
387 dSP; 485 dSP;
388 486
… …
396 FREETMPS; 494 FREETMPS;
397 LEAVE; 495 LEAVE;
398 } 496 }
399} 497}
400 498
499static void
401static void req_submit (eio_req *req) 500req_submit (eio_req *req)
402{ 501{
403 eio_submit (req); 502 eio_submit (req);
404 503
405 if (expect_false (on_next_submit)) 504 if (expect_false (on_next_submit))
406 { 505 {
… …
413 PUTBACK; 512 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 513 call_sv (cb, G_DISCARD | G_EVAL);
415 } 514 }
416} 515}
417 516
517static int
418static int req_invoke (eio_req *req) 518req_invoke (eio_req *req)
419{ 519{
420 if (req->flags & FLAG_SV2_RO_OFF) 520 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 521 SvREADONLY_off (req->sv2);
422 522
423 if (!EIO_CANCELLED (req) && req->callback) 523 if (!EIO_CANCELLED (req) && req->callback)
… …
444 SvREADONLY_on (sv_result); 544 SvREADONLY_on (sv_result);
445 } 545 }
446 546
447 switch (req->type) 547 switch (req->type)
448 { 548 {
549 case EIO_WD_OPEN:
550 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
551 break;
552
449 case EIO_READDIR: 553 case EIO_READDIR:
450 { 554 {
451 SV *rv = &PL_sv_undef; 555 SV *rv = &PL_sv_undef;
452 556
453 if (req->result >= 0) 557 if (req->result >= 0)
… …
506 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 610 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
507 } 611 }
508 break; 612 break;
509 613
510 case EIO_OPEN: 614 case EIO_OPEN:
511 { 615 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
512 /* convert fd to fh */
513 SV *fh = &PL_sv_undef;
514
515 if (req->result >= 0)
516 {
517 GV *gv = (GV *)sv_newmortal ();
518 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
519 char sym [64];
520 int symlen;
521
522 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
523 gv_init (gv, aio_stash, sym, symlen, 0);
524
525 symlen = snprintf (
526 sym,
527 sizeof (sym),
528 "%s&=%d",
529 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
530 (int)req->result
531 );
532
533 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
534 fh = (SV *)gv;
535 }
536
537 PUSHs (fh);
538 }
539 break; 616 break;
540 617
541 case EIO_STATVFS: 618 case EIO_STATVFS:
542 case EIO_FSTATVFS: 619 case EIO_FSTATVFS:
543 { 620 {
544 SV *rv = &PL_sv_undef; 621 SV *rv = &PL_sv_undef;
545 622
623#ifndef _WIN32
546 if (req->result >= 0) 624 if (req->result >= 0)
547 { 625 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 626 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV (); 627 HV *hv = newHV ();
628 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
629 * chooses to make it a struct.
630 */
631 unsigned long fsid = 0;
632 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
550 633
551 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 634 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552 635
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 636 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 637 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 639 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 640 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 641 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 642 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 643 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 644 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 645 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 646 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 } 647 }
648#endif
565 649
566 PUSHs (rv); 650 PUSHs (rv);
567 } 651 }
568 652
569 break; 653 break;
… …
593 break; 677 break;
594 678
595 case EIO_STAT: 679 case EIO_STAT:
596 case EIO_LSTAT: 680 case EIO_LSTAT:
597 case EIO_FSTAT: 681 case EIO_FSTAT:
598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 682 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
683
599 PL_laststatval = req->result; 684 if (!(PL_laststatval = req->result))
685 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 686 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
687
601 PUSHs (sv_result); 688 PUSHs (sv_result);
689 break;
690
691 case EIO_SEEK:
692 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
602 break; 693 break;
603 694
604 case EIO_READ: 695 case EIO_READ:
605 { 696 {
606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 697 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
609 SvSETMAGIC (req->sv2); 700 SvSETMAGIC (req->sv2);
610 PUSHs (sv_result); 701 PUSHs (sv_result);
611 } 702 }
612 break; 703 break;
613 704
705 case EIO_SLURP:
706 {
707 if (req->result >= 0)
708 {
709 /* if length was originally not known, we steal the malloc'ed memory */
710 if (req->flags & EIO_FLAG_PTR2_FREE)
711 {
712 req->flags &= ~EIO_FLAG_PTR2_FREE;
713 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
714 }
715 else
716 {
717 SvCUR_set (req->sv2, req->result);
718 *SvEND (req->sv2) = 0;
719 SvPOK_only (req->sv2);
720 }
721
722 SvSETMAGIC (req->sv2);
723 }
724
725 PUSHs (sv_result);
726 }
727 break;
728
729 case EIO_CUSTOM:
730 if (req->feed == fiemap)
731 {
732#if HAVE_FIEMAP
733 if (!req->result)
734 {
735 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
736
737 if (fiemap->fm_extent_count)
738 {
739 AV *av = newAV ();
740 int i;
741
742 while (fiemap->fm_mapped_extents)
743 {
744 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
745 AV *ext_av = newAV ();
746
747 av_store (ext_av, 3, newSVuv (extent->fe_flags));
748 av_store (ext_av, 2, newSVval64 (extent->fe_length));
749 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
750 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
751
752 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
753 }
754
755 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
756 }
757 else
758 {
759 SvIV_set (sv_result, fiemap->fm_mapped_extents);
760 PUSHs (sv_result);
761 }
762 }
763#endif
764 }
765 else
766 PUSHs (sv_result);
767 break;
768
614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 769 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
615 if (req->result > 0) 770 if (req->result > 0)
616 SvIV_set (sv_result, 0); 771 SvIV_set (sv_result, 0);
617 /* FALLTHROUGH */ 772 /* FALLTHROUGH */
618 773
… …
639 } 794 }
640 795
641 return !!SvTRUE (ERRSV); 796 return !!SvTRUE (ERRSV);
642} 797}
643 798
799static void
644static void req_destroy (aio_req req) 800req_destroy (aio_req req)
645{ 801{
646 if (req->self) 802 if (req->self)
647 { 803 {
648 sv_unmagic (req->self, PERL_MAGIC_ext); 804 sv_unmagic (req->self, PERL_MAGIC_ext);
649 SvREFCNT_dec (req->self); 805 SvREFCNT_dec (req->self);
650 } 806 }
651 807
652 SvREFCNT_dec (req->sv1); 808 SvREFCNT_dec (req->sv1);
653 SvREFCNT_dec (req->sv2); 809 SvREFCNT_dec (req->sv2);
810 SvREFCNT_dec (req->sv3);
811 SvREFCNT_dec (req->sv4);
654 SvREFCNT_dec (req->callback); 812 SvREFCNT_dec (req->callback);
655 813
656 Safefree (req); 814 free (req);
657} 815}
658 816
817static void
659static void req_cancel_subs (aio_req grp) 818req_cancel_subs (aio_req grp)
660{ 819{
661 aio_req sub;
662
663 if (grp->type != EIO_GROUP) 820 if (grp->type != EIO_GROUP)
664 return; 821 return;
665 822
666 SvREFCNT_dec (grp->sv2); 823 SvREFCNT_dec (grp->sv2);
667 grp->sv2 = 0; 824 grp->sv2 = 0;
668 825
669 eio_grp_cancel (grp); 826 eio_grp_cancel (grp);
670} 827}
671 828
672static void 829static void ecb_cold
673create_respipe (void) 830create_respipe (void)
674{ 831{
675 if (s_epipe_renew (&respipe)) 832 if (s_epipe_renew (&respipe))
676 croak ("IO::AIO: unable to initialize result pipe"); 833 croak ("IO::AIO: unable to initialize result pipe");
677} 834}
678 835
679static void poll_wait (void) 836static void
837poll_wait (void)
680{ 838{
681 while (eio_nreqs ()) 839 while (eio_nreqs ())
682 { 840 {
683 int size; 841 int size;
684 842
685 X_LOCK (reslock); 843 X_LOCK (EIO_POOL->reslock);
686 size = res_queue.size; 844 size = EIO_POOL->res_queue.size;
687 X_UNLOCK (reslock); 845 X_UNLOCK (EIO_POOL->reslock);
688 846
689 if (size) 847 if (size)
690 return; 848 return;
691 849
692 etp_maybe_start_thread (); 850 etp_maybe_start_thread (EIO_POOL);
693 851
694 s_epipe_wait (&respipe); 852 s_epipe_wait (&respipe);
695 } 853 }
696} 854}
697 855
698static int poll_cb (void) 856static int
857poll_cb (void)
699{ 858{
700 for (;;) 859 for (;;)
701 { 860 {
702 int res = eio_poll (); 861 int res = eio_poll ();
703 862
… …
709 868
710 poll_wait (); 869 poll_wait ();
711 } 870 }
712} 871}
713 872
714static void atfork_child (void) 873static void ecb_cold
874reinit (void)
715{ 875{
716 create_respipe (); 876 create_respipe ();
717}
718 877
719/*****************************************************************************/ 878 if (eio_init (want_poll, done_poll) < 0)
720 879 croak ("IO::AIO: unable to initialise eio library");
721#if !_POSIX_MAPPED_FILES
722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
723# define munmap(addr,length) (errno = ENOSYS, -1)
724#endif
725
726#if !_POSIX_MEMORY_PROTECTION
727# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
728# define PROT_NONE 0
729# define PROT_WRITE 0
730# define MAP_PRIVATE 0
731# define MAP_SHARED 0
732# define MAP_FIXED 0
733#endif
734
735#define MMAP_MAGIC PERL_MAGIC_ext
736
737static int
738mmap_free (pTHX_ SV *sv, MAGIC *mg)
739{
740 int old_errno = errno;
741 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742 errno = old_errno;
743
744 mg->mg_obj = 0; /* just in case */
745
746 SvREADONLY_off (sv);
747
748 if (SvPVX (sv) != mg->mg_ptr)
749 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
751 SvCUR_set (sv, 0);
752 SvPVX (sv) = 0;
753 SvOK_off (sv);
754
755 return 0;
756} 880}
757
758static MGVTBL mmap_vtbl = {
759 0, 0, 0, 0, mmap_free
760};
761 881
762/*****************************************************************************/ 882/*****************************************************************************/
763 883
764static SV * 884static SV *
765get_cb (SV *cb_sv) 885get_cb (SV *cb_sv)
766{ 886{
767 SvGETMAGIC (cb_sv); 887 SvGETMAGIC (cb_sv);
768 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 888 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
769} 889}
770 890
891static aio_req ecb_noinline
892dreq (SV *callback)
893{
894 SV *cb_cv;
895 aio_req req;
896 int req_pri = next_pri;
897 next_pri = EIO_PRI_DEFAULT;
898
899 cb_cv = get_cb (callback);
900
901 req = calloc (sizeof (*req), 1);
902 if (!req)
903 croak ("out of memory during eio_req allocation");
904
905 req->callback = SvREFCNT_inc (cb_cv);
906 req->pri = req_pri;
907
908 return req;
909}
910
771#define dREQ \ 911#define dREQ \
772 SV *cb_cv; \ 912 aio_req req = dreq (callback); \
773 aio_req req; \
774 int req_pri = next_pri; \
775 next_pri = EIO_PRI_DEFAULT; \
776 \
777 cb_cv = get_cb (callback); \
778 \
779 Newz (0, req, 1, eio_req); \
780 if (!req) \
781 croak ("out of memory during eio_req allocation"); \
782 \
783 req->callback = SvREFCNT_inc (cb_cv); \
784 req->pri = req_pri
785 913
786#define REQ_SEND \ 914#define REQ_SEND \
787 PUTBACK; \ 915 PUTBACK; \
788 req_submit (req); \ 916 req_submit (req); \
789 SPAGAIN; \ 917 SPAGAIN; \
790 \ 918 \
791 if (GIMME_V != G_VOID) \ 919 if (GIMME_V != G_VOID) \
792 XPUSHs (req_sv (req, aio_req_stash)); 920 XPUSHs (req_sv (req, aio_req_stash));
793 921
922ecb_inline void
923req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
924{
925 if (expect_false (SvROK (path)))
926 {
927 SV *rv = SvRV (path);
928 SV *wdob;
929
930 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
931 {
932 path = AvARRAY (rv)[1];
933 wdob = AvARRAY (rv)[0];
934
935 if (SvOK (wdob))
936 {
937 *wd = SvAIO_WD (wdob);
938 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
939 }
940 else
941 *wd = EIO_INVALID_WD;
942 }
943 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
944 {
945 *wd = (aio_wd)(long)SvIVX (rv);
946 *wdsv = SvREFCNT_inc_NN (rv);
947 *ptr = ".";
948 return; /* path set to "." */
949 }
950 else
951 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
952 }
953
954 *pathsv = newSVsv (path);
955 *ptr = SvPVbyte_nolen (*pathsv);
956}
957
958static void ecb_noinline
959req_set_path1 (aio_req req, SV *path)
960{
961 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
962}
963
964static void ecb_noinline
965req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
966{
967 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
968
969 switch (SvTYPE (rv))
970 {
971 case SVt_PVIO:
972 case SVt_PVLV:
973 case SVt_PVGV:
974 req->type = type_fh;
975 req->sv1 = newSVsv (fh_or_path);
976 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
977 break;
978
979 default:
980 req->type = type_path;
981 req_set_path1 (req, fh_or_path);
982 break;
983 }
984}
985
986/*****************************************************************************/
987
988static void
989ts_set (struct timespec *ts, NV value)
990{
991 ts->tv_sec = value;
992 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
993}
994
995static NV
996ts_get (const struct timespec *ts)
997{
998 return ts->tv_sec + ts->tv_nsec * 1e-9;
999}
1000
1001/*****************************************************************************/
1002
1003XS(boot_IO__AIO) ecb_cold;
1004
794MODULE = IO::AIO PACKAGE = IO::AIO 1005MODULE = IO::AIO PACKAGE = IO::AIO
795 1006
796PROTOTYPES: ENABLE 1007PROTOTYPES: ENABLE
797 1008
798BOOT: 1009BOOT:
… …
802 IV iv; 1013 IV iv;
803 } *civ, const_iv[] = { 1014 } *civ, const_iv[] = {
804# define const_niv(name, value) { # name, (IV) value }, 1015# define const_niv(name, value) { # name, (IV) value },
805# define const_iv(name) { # name, (IV) name }, 1016# define const_iv(name) { # name, (IV) name },
806# define const_eio(name) { # name, (IV) EIO_ ## name }, 1017# define const_eio(name) { # name, (IV) EIO_ ## name },
1018
1019 /* you have to re-run ./gendef0 after adding/removing any constants here */
1020 /* the first block can be undef if missing */
1021 const_iv (ENOSYS)
807 const_iv (EXDEV) 1022 const_iv (EXDEV)
808 const_iv (ENOSYS) 1023 const_iv (EBADR)
1024
1025 /* for lseek */
1026 const_iv (SEEK_DATA)
1027 const_iv (SEEK_HOLE)
1028
1029 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1030 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1031 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1032 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1033 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1034 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1035
1036 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1037 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1038 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1039 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1040 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1041
1042 /* the second block will be 0 when missing */
809 const_iv (O_RDONLY) 1043 const_iv (O_RDONLY)
810 const_iv (O_WRONLY) 1044 const_iv (O_WRONLY)
811 const_iv (O_RDWR) 1045 const_iv (O_RDWR)
812 const_iv (O_CREAT) 1046 const_iv (O_CREAT)
813 const_iv (O_TRUNC) 1047 const_iv (O_TRUNC)
… …
826 const_iv (O_SEARCH) 1060 const_iv (O_SEARCH)
827 const_iv (O_DIRECTORY) 1061 const_iv (O_DIRECTORY)
828 const_iv (O_DSYNC) 1062 const_iv (O_DSYNC)
829 const_iv (O_RSYNC) 1063 const_iv (O_RSYNC)
830 const_iv (O_SYNC) 1064 const_iv (O_SYNC)
1065 const_iv (O_PATH)
1066 const_iv (O_TMPFILE)
831 const_iv (O_TTY_INIT) 1067 const_iv (O_TTY_INIT)
832 1068
833 const_iv (S_IFIFO) 1069 const_iv (S_IFIFO)
834 const_iv (S_IFCHR) 1070 const_iv (S_IFCHR)
835 const_iv (S_IFBLK) 1071 const_iv (S_IFBLK)
… …
837 const_iv (S_IFREG) 1073 const_iv (S_IFREG)
838 const_iv (S_IFDIR) 1074 const_iv (S_IFDIR)
839 const_iv (S_IFWHT) 1075 const_iv (S_IFWHT)
840 const_iv (S_IFSOCK) 1076 const_iv (S_IFSOCK)
841 const_iv (S_IFMT) 1077 const_iv (S_IFMT)
842
843 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
844 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
845 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
846 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
847 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
848 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
849
850 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
851 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
852 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
853 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
854 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
855 1078
856 const_iv (ST_RDONLY) 1079 const_iv (ST_RDONLY)
857 const_iv (ST_NOSUID) 1080 const_iv (ST_NOSUID)
858 const_iv (ST_NODEV) 1081 const_iv (ST_NODEV)
859 const_iv (ST_NOEXEC) 1082 const_iv (ST_NOEXEC)
… …
869 const_iv (PROT_NONE) 1092 const_iv (PROT_NONE)
870 const_iv (PROT_EXEC) 1093 const_iv (PROT_EXEC)
871 const_iv (PROT_READ) 1094 const_iv (PROT_READ)
872 const_iv (PROT_WRITE) 1095 const_iv (PROT_WRITE)
873 1096
874 /*const_iv (MAP_FIXED)*/
875 const_iv (MAP_PRIVATE) 1097 const_iv (MAP_PRIVATE)
876 const_iv (MAP_SHARED) 1098 const_iv (MAP_SHARED)
1099 const_iv (MAP_FIXED)
877 const_iv (MAP_ANONYMOUS) 1100 const_iv (MAP_ANONYMOUS)
878 1101
879 /* linuxish */ 1102 /* linuxish */
880 const_iv (MAP_HUGETLB)
881 const_iv (MAP_LOCKED) 1103 const_iv (MAP_LOCKED)
882 const_iv (MAP_NORESERVE) 1104 const_iv (MAP_NORESERVE)
883 const_iv (MAP_POPULATE) 1105 const_iv (MAP_POPULATE)
884 const_iv (MAP_NONBLOCK) 1106 const_iv (MAP_NONBLOCK)
1107 const_iv (MAP_GROWSDOWN)
1108 const_iv (MAP_32BIT)
1109 const_iv (MAP_HUGETLB)
1110 const_iv (MAP_STACK)
1111
1112 const_iv (MREMAP_MAYMOVE)
1113 const_iv (MREMAP_FIXED)
1114
1115 const_iv (F_DUPFD_CLOEXEC)
1116
1117 const_iv (F_OFD_GETLK)
1118 const_iv (F_OFD_SETLK)
1119 const_iv (F_OFD_GETLKW)
1120
1121 const_iv (FIFREEZE)
1122 const_iv (FITHAW)
1123 const_iv (FITRIM)
1124 const_iv (FICLONE)
1125 const_iv (FICLONERANGE)
1126 const_iv (FIDEDUPERANGE)
1127
1128 const_iv (FS_IOC_GETFLAGS)
1129 const_iv (FS_IOC_SETFLAGS)
1130 const_iv (FS_IOC_GETVERSION)
1131 const_iv (FS_IOC_SETVERSION)
1132 const_iv (FS_IOC_FIEMAP)
1133 const_iv (FS_IOC_FSGETXATTR)
1134 const_iv (FS_IOC_FSSETXATTR)
1135 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1136 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1137 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1138
1139 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1140
1141 const_iv (FS_SECRM_FL)
1142 const_iv (FS_UNRM_FL)
1143 const_iv (FS_COMPR_FL)
1144 const_iv (FS_SYNC_FL)
1145 const_iv (FS_IMMUTABLE_FL)
1146 const_iv (FS_APPEND_FL)
1147 const_iv (FS_NODUMP_FL)
1148 const_iv (FS_NOATIME_FL)
1149 const_iv (FS_DIRTY_FL)
1150 const_iv (FS_COMPRBLK_FL)
1151 const_iv (FS_NOCOMP_FL)
1152 const_iv (FS_ENCRYPT_FL)
1153 const_iv (FS_BTREE_FL)
1154 const_iv (FS_INDEX_FL)
1155 const_iv (FS_JOURNAL_DATA_FL)
1156 const_iv (FS_NOTAIL_FL)
1157 const_iv (FS_DIRSYNC_FL)
1158 const_iv (FS_TOPDIR_FL)
1159 const_iv (FS_FL_USER_MODIFIABLE)
1160
1161 const_iv (FS_XFLAG_REALTIME)
1162 const_iv (FS_XFLAG_PREALLOC)
1163 const_iv (FS_XFLAG_IMMUTABLE)
1164 const_iv (FS_XFLAG_APPEND)
1165 const_iv (FS_XFLAG_SYNC)
1166 const_iv (FS_XFLAG_NOATIME)
1167 const_iv (FS_XFLAG_NODUMP)
1168 const_iv (FS_XFLAG_RTINHERIT)
1169 const_iv (FS_XFLAG_PROJINHERIT)
1170 const_iv (FS_XFLAG_NOSYMLINKS)
1171 const_iv (FS_XFLAG_EXTSIZE)
1172 const_iv (FS_XFLAG_EXTSZINHERIT)
1173 const_iv (FS_XFLAG_NODEFRAG)
1174 const_iv (FS_XFLAG_FILESTREAM)
1175 const_iv (FS_XFLAG_DAX)
1176 const_iv (FS_XFLAG_HASATTR)
1177
1178 const_iv (FIEMAP_FLAG_SYNC)
1179 const_iv (FIEMAP_FLAG_XATTR)
1180 const_iv (FIEMAP_FLAGS_COMPAT)
1181 const_iv (FIEMAP_EXTENT_LAST)
1182 const_iv (FIEMAP_EXTENT_UNKNOWN)
1183 const_iv (FIEMAP_EXTENT_DELALLOC)
1184 const_iv (FIEMAP_EXTENT_ENCODED)
1185 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1186 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1187 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1188 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1189 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1190 const_iv (FIEMAP_EXTENT_MERGED)
1191 const_iv (FIEMAP_EXTENT_SHARED)
1192
1193 const_iv (SPLICE_F_MOVE)
1194 const_iv (SPLICE_F_NONBLOCK)
1195 const_iv (SPLICE_F_MORE)
1196 const_iv (SPLICE_F_GIFT)
1197
1198 const_iv (EFD_CLOEXEC)
1199 const_iv (EFD_NONBLOCK)
1200 const_iv (EFD_SEMAPHORE)
1201
1202 const_iv (CLOCK_REALTIME)
1203 const_iv (CLOCK_MONOTONIC)
1204 const_iv (CLOCK_BOOTTIME)
1205 const_iv (CLOCK_REALTIME_ALARM)
1206 const_iv (CLOCK_BOOTTIME_ALARM)
1207
1208 const_iv (TFD_NONBLOCK)
1209 const_iv (TFD_CLOEXEC)
1210
1211 const_iv (TFD_TIMER_ABSTIME)
1212 const_iv (TFD_TIMER_CANCEL_ON_SET)
1213
1214 /* these are libeio constants, and are independent of gendef0 */
1215 const_eio (SEEK_SET)
1216 const_eio (SEEK_CUR)
1217 const_eio (SEEK_END)
885 1218
886 const_eio (MCL_FUTURE) 1219 const_eio (MCL_FUTURE)
887 const_eio (MCL_CURRENT) 1220 const_eio (MCL_CURRENT)
888 1221
889 const_eio (MS_ASYNC) 1222 const_eio (MS_ASYNC)
… …
893 const_eio (MT_MODIFY) 1226 const_eio (MT_MODIFY)
894 1227
895 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1228 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
896 const_eio (SYNC_FILE_RANGE_WRITE) 1229 const_eio (SYNC_FILE_RANGE_WRITE)
897 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1230 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1231
1232 const_eio (FALLOC_FL_KEEP_SIZE)
1233 const_eio (FALLOC_FL_PUNCH_HOLE)
1234 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1235 const_eio (FALLOC_FL_ZERO_RANGE)
1236 const_eio (FALLOC_FL_INSERT_RANGE)
1237 const_eio (FALLOC_FL_UNSHARE_RANGE)
1238
1239 const_eio (RENAME_NOREPLACE)
1240 const_eio (RENAME_EXCHANGE)
1241 const_eio (RENAME_WHITEOUT)
898 1242
899 const_eio (READDIR_DENTS) 1243 const_eio (READDIR_DENTS)
900 const_eio (READDIR_DIRS_FIRST) 1244 const_eio (READDIR_DIRS_FIRST)
901 const_eio (READDIR_STAT_ORDER) 1245 const_eio (READDIR_STAT_ORDER)
902 const_eio (READDIR_FOUND_UNKNOWN) 1246 const_eio (READDIR_FOUND_UNKNOWN)
… …
913 }; 1257 };
914 1258
915 aio_stash = gv_stashpv ("IO::AIO" , 1); 1259 aio_stash = gv_stashpv ("IO::AIO" , 1);
916 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1260 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1261 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1262 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918 1263
919 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1264 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1265 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921 1266
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1267 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923 1268
924 create_respipe (); 1269 reinit ();
925
926 if (eio_init (want_poll, done_poll) < 0)
927 croak ("IO::AIO: unable to initialise eio library");
928
929 /* atfork child called in fifo order, so before eio's handler */
930 X_THREAD_ATFORK (0, 0, atfork_child);
931} 1270}
1271
1272void
1273reinit ()
1274 PROTOTYPE:
932 1275
933void 1276void
934max_poll_reqs (unsigned int nreqs) 1277max_poll_reqs (unsigned int nreqs)
935 PROTOTYPE: $ 1278 PROTOTYPE: $
936 CODE: 1279 CODE:
… …
971 PROTOTYPE: $ 1314 PROTOTYPE: $
972 CODE: 1315 CODE:
973 max_outstanding = maxreqs; 1316 max_outstanding = maxreqs;
974 1317
975void 1318void
976aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1319aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
977 PPCODE: 1320 PPCODE:
978{ 1321{
979 dREQ; 1322 dREQ;
980 1323
1324 req->type = EIO_WD_OPEN;
1325 req_set_path1 (req, pathname);
1326
1327 REQ_SEND;
1328}
1329
1330void
1331aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1332 PPCODE:
1333{
1334 dREQ;
1335
981 req->type = EIO_OPEN; 1336 req->type = EIO_OPEN;
982 req->sv1 = newSVsv (pathname); 1337 req_set_path1 (req, pathname);
983 req->ptr1 = SvPVbyte_nolen (req->sv1);
984 req->int1 = flags; 1338 req->int1 = flags;
985 req->int2 = mode; 1339 req->int2 = mode;
986 1340
987 REQ_SEND; 1341 REQ_SEND;
988} 1342}
989 1343
990void 1344void
991aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1345aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
992 ALIAS: 1346 ALIAS:
993 aio_fsync = EIO_FSYNC 1347 aio_fsync = EIO_FSYNC
994 aio_fdatasync = EIO_FDATASYNC 1348 aio_fdatasync = EIO_FDATASYNC
1349 aio_syncfs = EIO_SYNCFS
995 PPCODE: 1350 PPCODE:
996{ 1351{
997 int fd = s_fileno_croak (fh, 0); 1352 int fd = s_fileno_croak (fh, 0);
998 dREQ; 1353 dREQ;
999 1354
1000 req->type = ix; 1355 req->type = ix;
1001 req->sv1 = newSVsv (fh); 1356 req->sv1 = newSVsv (fh);
1002 req->int1 = fd; 1357 req->int1 = fd;
1003 1358
1004 REQ_SEND (req); 1359 REQ_SEND;
1005} 1360}
1006 1361
1007void 1362void
1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1363aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1009 PPCODE: 1364 PPCODE:
1010{ 1365{
1011 int fd = s_fileno_croak (fh, 0); 1366 int fd = s_fileno_croak (fh, 0);
1012 dREQ; 1367 dREQ;
1013 1368
1014 req->type = EIO_SYNC_FILE_RANGE; 1369 req->type = EIO_SYNC_FILE_RANGE;
1015 req->sv1 = newSVsv (fh); 1370 req->sv1 = newSVsv (fh);
1016 req->int1 = fd; 1371 req->int1 = fd;
1017 req->offs = offset; 1372 req->offs = offset;
1018 req->size = nbytes; 1373 req->size = nbytes;
1019 req->int2 = flags; 1374 req->int2 = flags;
1020 1375
1021 REQ_SEND (req); 1376 REQ_SEND;
1022} 1377}
1023 1378
1024void 1379void
1025aio_close (SV *fh, SV *callback=&PL_sv_undef) 1380aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1026 PPCODE: 1381 PPCODE:
1027{ 1382{
1028 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1029 int fd = s_fileno_croak (fh, 0); 1383 int fd = s_fileno_croak (fh, 0);
1030 dREQ; 1384 dREQ;
1031 1385
1032 if (close_pipe < 0) 1386 req->type = EIO_FALLOCATE;
1387 req->sv1 = newSVsv (fh);
1388 req->int1 = fd;
1389 req->int2 = mode;
1390 req->offs = offset;
1391 req->size = len;
1392
1393 REQ_SEND;
1394}
1395
1396void
1397aio_close (SV *fh, SV *callback = &PL_sv_undef)
1398 PPCODE:
1399{
1400 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1401 int fd = s_fileno_croak (fh, 0);
1402 dREQ;
1403
1404 if (expect_false (close_fd < 0))
1033 { 1405 {
1034 int pipefd [2]; 1406 int pipefd [2];
1035 1407
1408 if (
1409#ifdef _WIN32
1410 _pipe (pipefd, 1, _O_BINARY) < 0
1411#else
1036 if (pipe (pipefd) < 0 1412 pipe (pipefd) < 0
1037 || close (pipefd [1]) < 0
1038 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1413 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1414#endif
1415 || close (pipefd [1]) < 0
1416 )
1039 abort (); /*D*/ 1417 abort (); /*D*/
1040 1418
1041 close_pipe = pipefd [0]; 1419 close_fd = pipefd [0];
1042 } 1420 }
1043 1421
1044 req->type = EIO_DUP2; 1422 req->type = EIO_DUP2;
1045 req->int1 = close_pipe; 1423 req->int1 = close_fd;
1046 req->sv2 = newSVsv (fh); 1424 req->sv2 = newSVsv (fh);
1047 req->int2 = fd; 1425 req->int2 = fd;
1048 1426
1049 REQ_SEND (req); 1427 REQ_SEND;
1050} 1428}
1051 1429
1052void 1430void
1431aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1432 PPCODE:
1433{
1434 int fd = s_fileno_croak (fh, 0);
1435 dREQ;
1436
1437 req->type = EIO_SEEK;
1438 req->sv1 = newSVsv (fh);
1439 req->int1 = fd;
1440 req->offs = SvVAL64 (offset);
1441 req->int2 = whence;
1442
1443 REQ_SEND;
1444}
1445
1446void
1053aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1447aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1054 ALIAS: 1448 ALIAS:
1055 aio_read = EIO_READ 1449 aio_read = EIO_READ
1056 aio_write = EIO_WRITE 1450 aio_write = EIO_WRITE
1057 PPCODE: 1451 PPCODE:
1058{ 1452{
… …
1074 len = svlen - dataoffset; 1468 len = svlen - dataoffset;
1075 } 1469 }
1076 else 1470 else
1077 { 1471 {
1078 /* read: check type and grow scalar as necessary */ 1472 /* read: check type and grow scalar as necessary */
1079 SvUPGRADE (data, SVt_PV); 1473 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1080 svptr = SvGROW (data, len + dataoffset + 1); 1474 svptr = sv_grow (data, len + dataoffset + 1);
1475 else if (SvCUR (data) < len + dataoffset)
1476 croak ("length + dataoffset outside of scalar, and cannot grow");
1081 } 1477 }
1082 1478
1083 { 1479 {
1084 dREQ; 1480 dREQ;
1085 1481
… …
1101 REQ_SEND; 1497 REQ_SEND;
1102 } 1498 }
1103} 1499}
1104 1500
1105void 1501void
1502aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1503 ALIAS:
1504 aio_ioctl = EIO_IOCTL
1505 aio_fcntl = EIO_FCNTL
1506 PPCODE:
1507{
1508 int fd = s_fileno_croak (fh, 0);
1509 char *svptr;
1510
1511 if (SvPOK (arg) || !SvNIOK (arg))
1512 {
1513 STRLEN svlen;
1514 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1515#ifdef IOCPARM_LEN
1516 STRLEN need = IOCPARM_LEN (request);
1517#else
1518 STRLEN need = 256;
1519#endif
1520
1521 if (svlen < need)
1522 svptr = SvGROW (arg, need);
1523 }
1524 else
1525 svptr = (char *)SvIV (arg);
1526
1527 {
1528 dREQ;
1529
1530 req->type = ix;
1531 req->sv1 = newSVsv (fh);
1532 req->int1 = fd;
1533 req->int2 = (long)request;
1534 req->sv2 = SvREFCNT_inc (arg);
1535 req->ptr2 = svptr;
1536
1537 REQ_SEND;
1538 }
1539}
1540
1541void
1106aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1542aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1107 ALIAS: 1543 ALIAS:
1108 aio_readlink = EIO_READLINK 1544 aio_readlink = EIO_READLINK
1109 aio_realpath = EIO_REALPATH 1545 aio_realpath = EIO_REALPATH
1110 PPCODE: 1546 PPCODE:
1111{ 1547{
1112 SV *data;
1113 dREQ; 1548 dREQ;
1114 1549
1115 req->type = ix; 1550 req->type = ix;
1116 req->sv1 = newSVsv (path); 1551 req_set_path1 (req, pathname);
1117 req->ptr1 = SvPVbyte_nolen (req->sv1);
1118 1552
1119 REQ_SEND; 1553 REQ_SEND;
1120} 1554}
1121 1555
1122void 1556void
1123aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1557aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1124 PPCODE: 1558 PPCODE:
1125{ 1559{
1126 int ifd = s_fileno_croak (in_fh , 0); 1560 int ifd = s_fileno_croak (in_fh , 0);
1127 int ofd = s_fileno_croak (out_fh, 1); 1561 int ofd = s_fileno_croak (out_fh, 1);
1128 dREQ; 1562 dREQ;
1129 1563
1130 req->type = EIO_SENDFILE; 1564 req->type = EIO_SENDFILE;
1131 req->sv1 = newSVsv (out_fh); 1565 req->sv1 = newSVsv (out_fh);
1132 req->int1 = ofd; 1566 req->int1 = ofd;
… …
1137 1571
1138 REQ_SEND; 1572 REQ_SEND;
1139} 1573}
1140 1574
1141void 1575void
1142aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1576aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1143 PPCODE: 1577 PPCODE:
1144{ 1578{
1145 int fd = s_fileno_croak (fh, 0); 1579 int fd = s_fileno_croak (fh, 0);
1146 dREQ; 1580 dREQ;
1147 1581
1148 req->type = EIO_READAHEAD; 1582 req->type = EIO_READAHEAD;
1149 req->sv1 = newSVsv (fh); 1583 req->sv1 = newSVsv (fh);
1150 req->int1 = fd; 1584 req->int1 = fd;
… …
1153 1587
1154 REQ_SEND; 1588 REQ_SEND;
1155} 1589}
1156 1590
1157void 1591void
1158aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1592aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1159 ALIAS: 1593 ALIAS:
1160 aio_stat = EIO_STAT 1594 aio_stat = EIO_STAT
1161 aio_lstat = EIO_LSTAT 1595 aio_lstat = EIO_LSTAT
1162 aio_statvfs = EIO_STATVFS 1596 aio_statvfs = EIO_STATVFS
1163 PPCODE: 1597 PPCODE:
1164{ 1598{
1165 dREQ; 1599 dREQ;
1166 1600
1167 req->sv1 = newSVsv (fh_or_path); 1601 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1168
1169 if (SvPOK (req->sv1))
1170 {
1171 req->type = ix;
1172 req->ptr1 = SvPVbyte_nolen (req->sv1);
1173 }
1174 else
1175 {
1176 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1177 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1178 }
1179 1602
1180 REQ_SEND; 1603 REQ_SEND;
1181} 1604}
1182 1605
1183UV 1606UV
1184major (UV dev) 1607major (UV dev)
1185 ALIAS: 1608 ALIAS:
1186 minor = 1 1609 minor = 1
1187 CODE: 1610 CODE:
1188 RETVAL = ix ? major (dev) : minor (dev); 1611 RETVAL = ix ? minor (dev) : major (dev);
1189 OUTPUT: 1612 OUTPUT:
1190 RETVAL 1613 RETVAL
1191 1614
1192UV 1615UV
1193makedev (UV maj, UV min) 1616makedev (UV maj, UV min)
… …
1195 RETVAL = makedev (maj, min); 1618 RETVAL = makedev (maj, min);
1196 OUTPUT: 1619 OUTPUT:
1197 RETVAL 1620 RETVAL
1198 1621
1199void 1622void
1200aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1623aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1201 PPCODE: 1624 PPCODE:
1202{ 1625{
1203 dREQ; 1626 dREQ;
1204 1627
1205 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1628 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1206 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1629 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1207 req->sv1 = newSVsv (fh_or_path); 1630 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1208
1209 if (SvPOK (req->sv1))
1210 {
1211 req->type = EIO_UTIME;
1212 req->ptr1 = SvPVbyte_nolen (req->sv1);
1213 }
1214 else
1215 {
1216 req->type = EIO_FUTIME;
1217 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1218 }
1219 1631
1220 REQ_SEND; 1632 REQ_SEND;
1221} 1633}
1222 1634
1223void 1635void
1224aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1636aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1225 PPCODE: 1637 PPCODE:
1226{ 1638{
1227 dREQ; 1639 dREQ;
1228 1640
1229 req->sv1 = newSVsv (fh_or_path);
1230 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1641 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1231 1642 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1232 if (SvPOK (req->sv1))
1233 {
1234 req->type = EIO_TRUNCATE;
1235 req->ptr1 = SvPVbyte_nolen (req->sv1);
1236 }
1237 else
1238 {
1239 req->type = EIO_FTRUNCATE;
1240 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241 }
1242 1643
1243 REQ_SEND; 1644 REQ_SEND;
1244} 1645}
1245 1646
1246void 1647void
1247aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1648aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1248 ALIAS:
1249 aio_chmod = EIO_CHMOD
1250 aio_mkdir = EIO_MKDIR
1251 PPCODE: 1649 PPCODE:
1252{ 1650{
1253 dREQ; 1651 dREQ;
1254 1652
1255 req->int2 = mode; 1653 req->int2 = mode;
1256 req->sv1 = newSVsv (fh_or_path); 1654 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1257
1258 if (SvPOK (req->sv1))
1259 {
1260 req->type = ix;
1261 req->ptr1 = SvPVbyte_nolen (req->sv1);
1262 }
1263 else
1264 {
1265 req->type = EIO_FCHMOD;
1266 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1267 }
1268 1655
1269 REQ_SEND; 1656 REQ_SEND;
1270} 1657}
1271 1658
1272void 1659void
1273aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1660aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1274 PPCODE: 1661 PPCODE:
1275{ 1662{
1276 dREQ; 1663 dREQ;
1277 1664
1278 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1665 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1279 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1666 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1280 req->sv1 = newSVsv (fh_or_path); 1667 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1281
1282 if (SvPOK (req->sv1))
1283 {
1284 req->type = EIO_CHOWN;
1285 req->ptr1 = SvPVbyte_nolen (req->sv1);
1286 }
1287 else
1288 {
1289 req->type = EIO_FCHOWN;
1290 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1291 }
1292 1668
1293 REQ_SEND; 1669 REQ_SEND;
1294} 1670}
1295 1671
1296void 1672void
1297aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1673aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1298 PPCODE: 1674 PPCODE:
1299{ 1675{
1300 dREQ; 1676 dREQ;
1301 1677
1302 req->type = EIO_READDIR; 1678 req->type = EIO_READDIR;
1303 req->sv1 = newSVsv (pathname);
1304 req->ptr1 = SvPVbyte_nolen (req->sv1);
1305 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1679 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1306 1680
1307 if (flags & EIO_READDIR_DENTS) 1681 if (flags & EIO_READDIR_DENTS)
1308 req->int1 |= EIO_READDIR_CUSTOM2; 1682 req->int1 |= EIO_READDIR_CUSTOM2;
1309 1683
1684 req_set_path1 (req, pathname);
1685
1310 REQ_SEND; 1686 REQ_SEND;
1311} 1687}
1312 1688
1313void 1689void
1690aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1691 PPCODE:
1692{
1693 dREQ;
1694
1695 req->type = EIO_MKDIR;
1696 req->int2 = mode;
1697 req_set_path1 (req, pathname);
1698
1699 REQ_SEND;
1700}
1701
1702void
1314aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1703aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1315 ALIAS: 1704 ALIAS:
1316 aio_unlink = EIO_UNLINK 1705 aio_unlink = EIO_UNLINK
1317 aio_rmdir = EIO_RMDIR 1706 aio_rmdir = EIO_RMDIR
1318 aio_readdir = EIO_READDIR 1707 aio_readdir = EIO_READDIR
1319 PPCODE: 1708 PPCODE:
1320{ 1709{
1321 dREQ; 1710 dREQ;
1322 1711
1323 req->type = ix; 1712 req->type = ix;
1324 req->sv1 = newSVsv (pathname); 1713 req_set_path1 (req, pathname);
1325 req->ptr1 = SvPVbyte_nolen (req->sv1);
1326 1714
1327 REQ_SEND; 1715 REQ_SEND;
1328} 1716}
1329 1717
1330void 1718void
1331aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1719aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1332 ALIAS: 1720 ALIAS:
1333 aio_link = EIO_LINK 1721 aio_link = EIO_LINK
1334 aio_symlink = EIO_SYMLINK 1722 aio_symlink = EIO_SYMLINK
1335 aio_rename = EIO_RENAME 1723 aio_rename = EIO_RENAME
1336 PPCODE: 1724 PPCODE:
1337{ 1725{
1726 eio_wd wd2 = 0;
1338 dREQ; 1727 dREQ;
1339 1728
1340 req->type = ix; 1729 req->type = ix;
1341 req->sv1 = newSVsv (oldpath); 1730 req_set_path1 (req, oldpath);
1342 req->ptr1 = SvPVbyte_nolen (req->sv1); 1731 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1343 req->sv2 = newSVsv (newpath); 1732 req->int3 = (long)wd2;
1344 req->ptr2 = SvPVbyte_nolen (req->sv2);
1345 1733
1346 REQ_SEND; 1734 REQ_SEND;
1347} 1735}
1348 1736
1349void 1737void
1738aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1739 PPCODE:
1740{
1741 eio_wd wd2 = 0;
1742 dREQ;
1743
1744 req->type = EIO_RENAME;
1745 req_set_path1 (req, oldpath);
1746 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1747 req->int2 = flags;
1748 req->int3 = (long)wd2;
1749
1750 REQ_SEND;
1751}
1752
1753void
1350aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1754aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1351 PPCODE: 1755 PPCODE:
1352{ 1756{
1353 dREQ; 1757 dREQ;
1354 1758
1355 req->type = EIO_MKNOD; 1759 req->type = EIO_MKNOD;
1356 req->sv1 = newSVsv (pathname);
1357 req->ptr1 = SvPVbyte_nolen (req->sv1);
1358 req->int2 = (mode_t)mode; 1760 req->int2 = (mode_t)mode;
1359 req->offs = dev; 1761 req->offs = dev;
1762 req_set_path1 (req, pathname);
1360 1763
1361 REQ_SEND; 1764 REQ_SEND;
1362} 1765}
1363 1766
1364void 1767void
1365aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1768aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1366 ALIAS: 1769 ALIAS:
1367 aio_mtouch = EIO_MTOUCH 1770 aio_mtouch = EIO_MTOUCH
1368 aio_msync = EIO_MSYNC 1771 aio_msync = EIO_MSYNC
1369 PPCODE: 1772 PPCODE:
1370{ 1773{
1371 STRLEN svlen; 1774 STRLEN svlen;
1372 char *svptr = SvPVbyte (data, svlen); 1775 char *svptr = SvPVbyte (data, svlen);
1373 UV len = SvUV (length); 1776 UV len = SvUV (length);
1777
1778 if (flags < 0)
1779 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1374 1780
1375 if (offset < 0) 1781 if (offset < 0)
1376 offset += svlen; 1782 offset += svlen;
1377 1783
1378 if (offset < 0 || offset > svlen) 1784 if (offset < 0 || offset > svlen)
… …
1393 REQ_SEND; 1799 REQ_SEND;
1394 } 1800 }
1395} 1801}
1396 1802
1397void 1803void
1398aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1804aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1399 PPCODE: 1805 PPCODE:
1400{ 1806{
1401 STRLEN svlen; 1807 STRLEN svlen;
1402 char *svptr = SvPVbyte (data, svlen); 1808 char *svptr = SvPVbyte (data, svlen);
1403 UV len = SvUV (length); 1809 UV len = SvUV (length);
… …
1422 REQ_SEND; 1828 REQ_SEND;
1423 } 1829 }
1424} 1830}
1425 1831
1426void 1832void
1427aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1833aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1428 PPCODE: 1834 PPCODE:
1429{ 1835{
1430 dREQ; 1836 dREQ;
1431 1837
1432 req->type = EIO_MLOCKALL; 1838 req->type = EIO_MLOCKALL;
… …
1434 1840
1435 REQ_SEND; 1841 REQ_SEND;
1436} 1842}
1437 1843
1438void 1844void
1845aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1846 PPCODE:
1847{
1848 int fd = s_fileno_croak (fh, 0);
1849 dREQ;
1850
1851 req->type = EIO_CUSTOM;
1852 req->sv1 = newSVsv (fh);
1853 req->int1 = fd;
1854
1855 req->feed = fiemap;
1856#if HAVE_FIEMAP
1857 /* keep our fingers crossed that the next two types are 64 bit */
1858 req->offs = start;
1859 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1860 req->int2 = flags;
1861 req->int3 = SvOK (count) ? SvIV (count) : -1;
1862#endif
1863
1864 REQ_SEND;
1865}
1866
1867void
1868aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1869 PPCODE:
1870{
1871 char *svptr = 0;
1872
1873 sv_clear_foreign (data);
1874
1875 if (length) /* known length, directly read into scalar */
1876 {
1877 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1878 svptr = sv_grow (data, length + 1);
1879 else if (SvCUR (data) < length)
1880 croak ("length outside of scalar, and cannot grow");
1881 else
1882 svptr = SvPVbyte_nolen (data);
1883 }
1884
1885 {
1886 dREQ;
1887
1888 req->type = EIO_SLURP;
1889 req_set_path1 (req, pathname);
1890 req->offs = offset;
1891 req->size = length;
1892 req->sv2 = SvREFCNT_inc (data);
1893 req->ptr2 = svptr;
1894
1895 if (!SvREADONLY (data))
1896 {
1897 SvREADONLY_on (data);
1898 req->flags |= FLAG_SV2_RO_OFF;
1899 }
1900
1901 REQ_SEND;
1902 }
1903}
1904
1905void
1439aio_busy (double delay, SV *callback=&PL_sv_undef) 1906aio_busy (double delay, SV *callback = &PL_sv_undef)
1440 PPCODE: 1907 PPCODE:
1441{ 1908{
1442 dREQ; 1909 dREQ;
1443 1910
1444 req->type = EIO_BUSY; 1911 req->type = EIO_BUSY;
… …
1446 1913
1447 REQ_SEND; 1914 REQ_SEND;
1448} 1915}
1449 1916
1450void 1917void
1451aio_group (SV *callback=&PL_sv_undef) 1918aio_group (SV *callback = &PL_sv_undef)
1452 PPCODE: 1919 PPCODE:
1453{ 1920{
1454 dREQ; 1921 dREQ;
1455 1922
1456 req->type = EIO_GROUP; 1923 req->type = EIO_GROUP;
1457 1924
1925 PUTBACK;
1458 req_submit (req); 1926 req_submit (req);
1927 SPAGAIN;
1928
1459 XPUSHs (req_sv (req, aio_grp_stash)); 1929 XPUSHs (req_sv (req, aio_grp_stash));
1460} 1930}
1461 1931
1462void 1932void
1463aio_nop (SV *callback=&PL_sv_undef) 1933aio_nop (SV *callback = &PL_sv_undef)
1464 ALIAS: 1934 ALIAS:
1465 aio_nop = EIO_NOP 1935 aio_nop = EIO_NOP
1466 aio_sync = EIO_SYNC 1936 aio_sync = EIO_SYNC
1467 PPCODE: 1937 PPCODE:
1468{ 1938{
… …
1472 1942
1473 REQ_SEND; 1943 REQ_SEND;
1474} 1944}
1475 1945
1476int 1946int
1477aioreq_pri (int pri = 0) 1947aioreq_pri (int pri = NO_INIT)
1478 CODE: 1948 CODE:
1479 RETVAL = next_pri; 1949 RETVAL = next_pri;
1480 if (items > 0) 1950 if (items > 0)
1481 { 1951 {
1482 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1952 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1564 CODE: 2034 CODE:
1565 RETVAL = posix_fadvise (fh, offset, length, advice); 2035 RETVAL = posix_fadvise (fh, offset, length, advice);
1566 OUTPUT: 2036 OUTPUT:
1567 RETVAL 2037 RETVAL
1568 2038
1569ssize_t 2039IV
1570sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2040sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1571 CODE: 2041 CODE:
1572 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2042 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1573 OUTPUT: 2043 OUTPUT:
1574 RETVAL 2044 RETVAL
1575 2045
1576void 2046void
1577mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2047mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1578 PPCODE: 2048 PPCODE:
1579 sv_unmagic (scalar, MMAP_MAGIC); 2049 sv_clear_foreign (scalar);
1580{ 2050{
1581 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2051 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1582 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2052 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1583 if (addr == (void *)-1) 2053 if (addr == (void *)-1)
1584 XSRETURN_NO; 2054 XSRETURN_NO;
1585 2055
1586 sv_force_normal (scalar); 2056 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1587
1588 /* we store the length in mg_obj, as namlen is I32 :/ */
1589 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1590 ->mg_obj = (SV *)length;
1591
1592 SvUPGRADE (scalar, SVt_PV); /* nop... */
1593 2057
1594 if (!(prot & PROT_WRITE)) 2058 if (!(prot & PROT_WRITE))
1595 SvREADONLY_on (scalar); 2059 SvREADONLY_on (scalar);
1596 2060
1597 if (SvLEN (scalar))
1598 Safefree (SvPVX (scalar));
1599
1600 SvPVX (scalar) = (char *)addr;
1601 SvCUR_set (scalar, length);
1602 SvLEN_set (scalar, 0);
1603 SvPOK_only (scalar);
1604
1605 XSRETURN_YES; 2061 XSRETURN_YES;
1606} 2062}
1607 2063
1608void 2064void
1609munmap (SV *scalar) 2065munmap (SV *scalar)
1610 CODE: 2066 CODE:
1611 sv_unmagic (scalar, MMAP_MAGIC); 2067 sv_clear_foreign (scalar);
2068
2069SV *
2070mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
2071 CODE:
2072{
2073 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2074 void *new;
2075
2076 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2077 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2078
2079 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2080
2081 RETVAL = &PL_sv_no;
2082
2083 if (new != (void *)-1)
2084 {
2085 RETVAL = new == (void *)mg->mg_ptr
2086 ? newSVpvn ("0 but true", 10)
2087 : &PL_sv_yes;
2088
2089 mg->mg_ptr = (char *)new;
2090 mg->mg_obj = (SV *)new_length;
2091
2092 SvPVX (scalar) = mg->mg_ptr;
2093 SvCUR_set (scalar, new_length);
2094 }
2095}
2096 OUTPUT:
2097 RETVAL
1612 2098
1613int 2099int
1614madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2100madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1615 ALIAS: 2101 ALIAS:
1616 mprotect = 1 2102 mprotect = 1
1617 CODE: 2103 CODE:
1618{ 2104{
1619 STRLEN svlen; 2105 STRLEN svlen;
1620 void *addr = SvPVbyte (scalar, svlen); 2106 void *addr = SvPVbyte (scalar, svlen);
1621 size_t len = SvUV (length); 2107 STRLEN len = SvUV (length);
1622 2108
1623 if (offset < 0) 2109 if (offset < 0)
1624 offset += svlen; 2110 offset += svlen;
1625 2111
1626 if (offset < 0 || offset > svlen) 2112 if (offset < 0 || offset > svlen)
… …
1640} 2126}
1641 OUTPUT: 2127 OUTPUT:
1642 RETVAL 2128 RETVAL
1643 2129
1644int 2130int
1645munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2131munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1646 CODE: 2132 CODE:
1647{ 2133{
1648 STRLEN svlen; 2134 STRLEN svlen;
1649 void *addr = SvPVbyte (scalar, svlen); 2135 void *addr = SvPVbyte (scalar, svlen);
1650 size_t len = SvUV (length); 2136 size_t len = SvUV (length);
1651 2137
1652 if (offset < 0) 2138 if (offset < 0)
1653 offset += svlen; 2139 offset += svlen;
1654 2140
… …
1661 addr = (void *)(((intptr_t)addr) + offset); 2147 addr = (void *)(((intptr_t)addr) + offset);
1662 eio_page_align (&addr, &len); 2148 eio_page_align (&addr, &len);
1663#if _POSIX_MEMLOCK_RANGE 2149#if _POSIX_MEMLOCK_RANGE
1664 RETVAL = munlock (addr, len); 2150 RETVAL = munlock (addr, len);
1665#else 2151#else
1666 RETVAL = ((errno = ENOSYS), -1); 2152 RETVAL = EIO_ENOSYS ();
1667#endif 2153#endif
1668} 2154}
1669 OUTPUT: 2155 OUTPUT:
1670 RETVAL 2156 RETVAL
1671 2157
… …
1673munlockall () 2159munlockall ()
1674 CODE: 2160 CODE:
1675#if _POSIX_MEMLOCK 2161#if _POSIX_MEMLOCK
1676 munlockall (); 2162 munlockall ();
1677#else 2163#else
1678 RETVAL = -1; 2164 RETVAL = EIO_ENOSYS ();
1679 errno = ENOSYS;
1680#endif 2165#endif
1681 OUTPUT: 2166 OUTPUT:
1682 RETVAL 2167 RETVAL
2168
2169int
2170splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2171 CODE:
2172{
2173#if HAVE_LINUX_SPLICE
2174 loff_t off_in_, off_out_;
2175 RETVAL = splice (
2176 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2177 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2178 length, flags
2179 );
2180#else
2181 RETVAL = EIO_ENOSYS ();
2182#endif
2183}
2184 OUTPUT:
2185 RETVAL
2186
2187int
2188tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2189 CODE:
2190#if HAVE_LINUX_SPLICE
2191 RETVAL = tee (rfh, wfh, length, flags);
2192#else
2193 RETVAL = EIO_ENOSYS ();
2194#endif
2195 OUTPUT:
2196 RETVAL
2197
2198int
2199pipesize (aio_rfd rfh, int new_size = -1)
2200 PROTOTYPE: $;$
2201 CODE:
2202#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2203 if (new_size >= 0)
2204 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2205 else
2206 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2207#else
2208 errno = ENOSYS;
2209 RETVAL = -1;
2210#endif
2211 OUTPUT:
2212 RETVAL
2213
2214void
2215pipe2 (int flags = 0)
2216 PROTOTYPE: ;$
2217 PPCODE:
2218{
2219 int fd[2];
2220 int res;
2221
2222 if (flags)
2223#if HAVE_PIPE2
2224 res = pipe2 (fd, flags);
2225#else
2226 res = (errno = ENOSYS, -1);
2227#endif
2228 else
2229 res = pipe (fd);
2230
2231 if (!res)
2232 {
2233 EXTEND (SP, 2);
2234 PUSHs (newmortalFH (fd[0], O_RDONLY));
2235 PUSHs (newmortalFH (fd[1], O_WRONLY));
2236 }
2237}
2238
2239void
2240eventfd (unsigned int initval = 0, int flags = 0)
2241 PPCODE:
2242{
2243 int fd;
2244#if HAVE_EVENTFD
2245 fd = eventfd (initval, flags);
2246#else
2247 fd = (errno = ENOSYS, -1);
2248#endif
2249
2250 XPUSHs (newmortalFH (fd, O_RDWR));
2251}
2252
2253void
2254timerfd_create (int clockid, int flags = 0)
2255 PPCODE:
2256{
2257 int fd;
2258#if HAVE_TIMERFD
2259 fd = timerfd_create (clockid, flags);
2260#else
2261 fd = (errno = ENOSYS, -1);
2262#endif
2263
2264 XPUSHs (newmortalFH (fd, O_RDWR));
2265}
2266
2267void
2268timerfd_settime (SV *fh, int flags, NV interval, NV value)
2269 PPCODE:
2270{
2271 int fd = s_fileno_croak (fh, 0);
2272#if HAVE_TIMERFD
2273 int res;
2274 struct itimerspec its, ots;
2275
2276 ts_set (&its.it_interval, interval);
2277 ts_set (&its.it_value , value);
2278 res = timerfd_settime (fd, flags, &its, &ots);
2279
2280 if (!res)
2281 {
2282 EXTEND (SP, 2);
2283 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2284 PUSHs (newSVnv (ts_get (&ots.it_value)));
2285 }
2286#else
2287 errno = ENOSYS;
2288#endif
2289}
2290
2291void
2292timerfd_gettime (SV *fh)
2293 PPCODE:
2294{
2295 int fd = s_fileno_croak (fh, 0);
2296#if HAVE_TIMERFD
2297 int res;
2298 struct itimerspec ots;
2299 res = timerfd_gettime (fd, &ots);
2300
2301 if (!res)
2302 {
2303 EXTEND (SP, 2);
2304 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2305 PUSHs (newSVnv (ts_get (&ots.it_value)));
2306 }
2307#else
2308 errno = ENOSYS;
2309#endif
2310}
2311
2312UV
2313get_fdlimit ()
2314 CODE:
2315#if HAVE_RLIMITS
2316 struct rlimit rl;
2317 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2318 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2319#endif
2320 XSRETURN_UNDEF;
2321 OUTPUT:
2322 RETVAL
2323
2324void
2325min_fdlimit (UV limit = 0x7fffffffU)
2326 CODE:
2327{
2328#if HAVE_RLIMITS
2329 struct rlimit rl;
2330 rlim_t orig_rlim_max;
2331 UV bit;
2332
2333 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2334 goto fail;
2335
2336 if (rl.rlim_cur == RLIM_INFINITY)
2337 XSRETURN_YES;
2338
2339 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2340
2341 if (rl.rlim_cur < limit)
2342 {
2343 rl.rlim_cur = limit;
2344
2345 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2346 rl.rlim_max = rl.rlim_cur;
2347 }
2348
2349 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2350 XSRETURN_YES;
2351
2352 if (errno == EPERM)
2353 {
2354 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2355 /* our limit overflows a system-wide limit */
2356 /* try an adaptive algorithm, but do not lower the hardlimit */
2357 rl.rlim_max = 0;
2358 for (bit = 0x40000000U; bit; bit >>= 1)
2359 {
2360 rl.rlim_max |= bit;
2361 rl.rlim_cur = rl.rlim_max;
2362
2363 /* nevr decrease the hard limit */
2364 if (rl.rlim_max < orig_rlim_max)
2365 break;
2366
2367 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2368 rl.rlim_max &= ~bit; /* too high, remove bit again */
2369 }
2370
2371 /* now, raise the soft limit to the max permitted */
2372 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2373 {
2374 rl.rlim_cur = rl.rlim_max;
2375 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2376 errno = EPERM;
2377 }
2378 }
2379#endif
2380 fail:
2381 XSRETURN_UNDEF;
2382}
1683 2383
1684void _on_next_submit (SV *cb) 2384void _on_next_submit (SV *cb)
1685 CODE: 2385 CODE:
1686 SvREFCNT_dec (on_next_submit); 2386 SvREFCNT_dec (on_next_submit);
1687 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2387 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1688 2388
1689PROTOTYPES: DISABLE 2389PROTOTYPES: DISABLE
1690 2390
2391MODULE = IO::AIO PACKAGE = IO::AIO::WD
2392
2393BOOT:
2394{
2395 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2396 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2397}
2398
2399void
2400DESTROY (SV *self)
2401 CODE:
2402{
2403 aio_wd wd = SvAIO_WD (self);
2404#if HAVE_AT
2405 {
2406 SV *callback = &PL_sv_undef;
2407 dREQ; /* clobbers next_pri :/ */
2408 next_pri = req->pri; /* restore next_pri */
2409 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2410 req->type = EIO_WD_CLOSE;
2411 req->wd = wd;
2412 REQ_SEND;
2413 }
2414#else
2415 eio_wd_close_sync (wd);
2416#endif
2417}
2418
1691MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2419MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1692 2420
1693void 2421void
1694cancel (aio_req_ornot req) 2422cancel (aio_req_ornot req)
1695 CODE: 2423 CODE:
1696 eio_cancel (req); 2424 eio_cancel (req);
1697 2425
1698void 2426void
1699cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2427cb (aio_req_ornot req, SV *callback = NO_INIT)
1700 PPCODE: 2428 PPCODE:
1701{ 2429{
1702 if (GIMME_V != G_VOID) 2430 if (GIMME_V != G_VOID)
1703 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2431 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1704 2432
1705 if (items > 1) 2433 if (items > 1)
1706 { 2434 {
1707 SV *cb_cv =get_cb (callback); 2435 SV *cb_cv = get_cb (callback);
1708 2436
1709 SvREFCNT_dec (req->callback); 2437 SvREFCNT_dec (req->callback);
1710 req->callback = SvREFCNT_inc (cb_cv); 2438 req->callback = SvREFCNT_inc (cb_cv);
1711 } 2439 }
1712} 2440}
… …
1769limit (aio_req grp, int limit) 2497limit (aio_req grp, int limit)
1770 CODE: 2498 CODE:
1771 eio_grp_limit (grp, limit); 2499 eio_grp_limit (grp, limit);
1772 2500
1773void 2501void
1774feed (aio_req grp, SV *callback=&PL_sv_undef) 2502feed (aio_req grp, SV *callback = &PL_sv_undef)
1775 CODE: 2503 CODE:
1776{ 2504{
1777 SvREFCNT_dec (grp->sv2); 2505 SvREFCNT_dec (grp->sv2);
1778 grp->sv2 = newSVsv (callback); 2506 grp->sv2 = newSVsv (callback);
1779 grp->feed = aio_grp_feed; 2507 grp->feed = aio_grp_feed;

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