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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.105 by root, Sun Jul 8 11:12:15 2007 UTC vs.
Revision 1.235 by root, Thu Jun 25 15:47:01 2015 UTC

1#include "xthread.h" 1#include "libeio/xthread.h"
2 2
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"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
14#include <limits.h> 16#include <limits.h>
15#include <fcntl.h> 17#include <fcntl.h>
16#include <sched.h> 18#include <sched.h>
17 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. on't complain if this fails for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
35#endif
36
37/* perl namespace pollution */
38#undef VERSION
39
40/* perl stupidly overrides readdir and maybe others */
41/* with thread-unsafe versions, imagine that :( */
42#undef readdir
43#undef opendir
44#undef closedir
45
18#ifdef _WIN32 46#ifdef _WIN32
19 47
20# define SIGIO 0 48 // perl overrides all those nice libc functions
21 typedef Direntry_t X_DIRENT; 49
22#undef malloc 50 #undef malloc
23#undef free 51 #undef free
24
25// perl overrides all those nice win32 functions
26# undef open 52 #undef open
27# undef read 53 #undef read
28# undef write 54 #undef write
29# undef send 55 #undef send
30# undef recv 56 #undef recv
31# undef stat 57 #undef stat
58 #undef lstat
32# undef fstat 59 #undef fstat
33# define lstat stat
34# undef truncate 60 #undef truncate
35# undef ftruncate 61 #undef ftruncate
36# undef open 62 #undef open
63 #undef link
37# undef close 64 #undef close
38# undef unlink 65 #undef unlink
66 #undef mkdir
39# undef rmdir 67 #undef rmdir
40# undef rename 68 #undef rename
41# undef lseek 69 #undef lseek
70 #undef opendir
71 #undef readdir
72 #undef closedir
73 #undef chmod
74 #undef fchmod
75 #undef dup
76 #undef dup2
77 #undef abort
78 #undef pipe
42 79
43# define chown(a,b,c) (errno = ENOSYS, -1) 80 #define EIO_STRUCT_STAT struct _stati64
44# define fchown(a,b,c) (errno = ENOSYS, -1) 81 #define EIO_STRUCT_STATI64
45# define fchmod(a,b) (errno = ENOSYS, -1)
46# define symlink(a,b) (errno = ENOSYS, -1)
47# define readlink(a,b,c) (errno = ENOSYS, -1)
48# define mknod(a,b,c) (errno = ENOSYS, -1)
49# define truncate(a,b) (errno = ENOSYS, -1)
50# define ftruncate(fd,o) chsize ((fd), (o))
51# define fsync(fd) _commit (fd)
52# define opendir(fd) (errno = ENOSYS, 0)
53# define readdir(fd) (errno = ENOSYS, -1)
54# define closedir(fd) (errno = ENOSYS, -1)
55# define mkdir(a,b) mkdir (a)
56 82
57#else 83#else
58 84
59# include "autoconf/config.h"
60# include <sys/time.h> 85 #include <sys/time.h>
61# include <sys/select.h> 86 #include <sys/select.h>
62# include <unistd.h> 87 #include <unistd.h>
63# include <utime.h> 88 #include <utime.h>
64# include <signal.h> 89 #include <signal.h>
65 typedef struct dirent X_DIRENT;
66 90
67#endif 91 #define EIO_STRUCT_STAT Stat_t
68 92
69#if HAVE_SENDFILE 93#endif
70# if __linux 94
71# include <sys/sendfile.h> 95/*****************************************************************************/
72# elif __freebsd 96
73# include <sys/socket.h> 97#if __GNUC__ >= 3
74# include <sys/uio.h> 98# define expect(expr,value) __builtin_expect ((expr),(value))
75# elif __hpux 99#else
76# include <sys/socket.h> 100# define expect(expr,value) (expr)
77# elif __solaris /* not yet */ 101#endif
78# include <sys/sendfile.h> 102
103#define expect_false(expr) expect ((expr) != 0, 0)
104#define expect_true(expr) expect ((expr) != 0, 1)
105
106/*****************************************************************************/
107
108typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */
111
112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
113
114#define EIO_REQ_MEMBERS \
115 SV *callback; \
116 SV *sv1, *sv2; \
117 SV *sv3, *sv4; \
118 STRLEN stroffset; \
119 SV *self;
120
121#define EIO_NO_WRAPPERS 1
122
123#include "libeio/config.h"
124#include "libeio/eio.h"
125
126static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp);
129#define EIO_DESTROY(req) req_destroy (req)
130
131#include "libeio/eio.c"
132
133#if !HAVE_POSIX_FADVISE
134# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
135#endif
136
137#if !HAVE_POSIX_MADVISE
138# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
139#endif
140
141#ifndef MAP_ANONYMOUS
142# ifdef MAP_ANON
143# define MAP_ANONYMOUS MAP_ANON
79# else 144# else
80# error sendfile support requested but not available 145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
81# endif 146# endif
82#endif 147#endif
83 148
84/* number of seconds after which idle threads exit */ 149/* defines all sorts of constants to 0 unless they are already defined */
85#define IDLE_TIMEOUT 10 150/* also provides const_iv_ and const_niv_ macros for them */
151#include "def0.h"
86 152
87/* used for struct dirent, AIX doesn't provide it */ 153#ifndef makedev
88#ifndef NAME_MAX 154# define makedev(maj,min) (((maj) << 8) | (min))
89# define NAME_MAX 4096
90#endif 155#endif
91 156#ifndef major
92/* buffer size for various temporary buffers */ 157# define major(dev) ((dev) >> 8)
93#define AIO_BUFSIZE 65536
94
95/* use NV for 32 bit perls as it allows larger offsets */
96#if IVSIZE >= 8
97# define SvVAL64 SvIV
98#else
99# define SvVAL64 SvNV
100#endif 158#endif
159#ifndef minor
160# define minor(dev) ((dev) & 0xff)
161#endif
101 162
102#define dBUF \ 163#if PAGESIZE <= 0
103 char *aio_buf; \ 164# define PAGESIZE sysconf (_SC_PAGESIZE)
104 X_LOCK (wrklock); \ 165#endif
105 self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \
106 X_UNLOCK (wrklock); \
107 if (!aio_buf) \
108 return -1;
109 166
110typedef SV SV8; /* byte-sv, used for argument-checking */ 167/*****************************************************************************/
111 168
112enum { 169static void
113 REQ_QUIT, 170fiemap (eio_req *req)
114 REQ_OPEN, REQ_CLOSE,
115 REQ_READ, REQ_WRITE,
116 REQ_READAHEAD, REQ_SENDFILE,
117 REQ_STAT, REQ_LSTAT, REQ_FSTAT,
118 REQ_TRUNCATE, REQ_FTRUNCATE,
119 REQ_UTIME, REQ_FUTIME,
120 REQ_CHMOD, REQ_FCHMOD,
121 REQ_CHOWN, REQ_FCHOWN,
122 REQ_FSYNC, REQ_FDATASYNC,
123 REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME,
124 REQ_MKNOD, REQ_READDIR,
125 REQ_LINK, REQ_SYMLINK, REQ_READLINK,
126 REQ_GROUP, REQ_NOP,
127 REQ_BUSY,
128};
129
130#define AIO_REQ_KLASS "IO::AIO::REQ"
131#define AIO_GRP_KLASS "IO::AIO::GRP"
132
133typedef struct aio_cb
134{ 171{
135 struct aio_cb *volatile next; 172 req->result = -1;
136 173
137 SV *callback; 174#if HAVE_FIEMAP
138 SV *sv1, *sv2; 175 /* assume some c99 */
139 void *ptr1, *ptr2; 176 struct fiemap *fiemap = 0;
140 off_t offs; 177 size_t end_offset;
141 size_t size; 178 int count = req->int3;
142 ssize_t result;
143 double nv1, nv2;
144 179
145 STRLEN stroffset; 180 req->flags |= EIO_FLAG_PTR1_FREE;
146 int type;
147 int int1, int2, int3;
148 int errorno;
149 mode_t mode; /* open */
150 181
151 unsigned char flags; 182 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
152 unsigned char pri; 183 /* increase in 3.5kb steps */
184 if (count < 0)
185 count = 8;
153 186
154 SV *self; /* the perl counterpart of this request, if any */ 187 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
155 struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; 188 errno = ENOMEM;
156} aio_cb; 189 if (!fiemap)
157
158enum {
159 FLAG_CANCELLED = 0x01, /* request was cancelled */
160 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
161 FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */
162};
163
164typedef aio_cb *aio_req;
165typedef aio_cb *aio_req_ornot;
166
167enum {
168 PRI_MIN = -4,
169 PRI_MAX = 4,
170
171 DEFAULT_PRI = 0,
172 PRI_BIAS = -PRI_MIN,
173 NUM_PRI = PRI_MAX + PRI_BIAS + 1,
174};
175
176#define AIO_TICKS ((1000000 + 1023) >> 10)
177
178static unsigned int max_poll_time = 0;
179static unsigned int max_poll_reqs = 0;
180
181/* calculcate time difference in ~1/AIO_TICKS of a second */
182static int tvdiff (struct timeval *tv1, struct timeval *tv2)
183{
184 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
185 + ((tv2->tv_usec - tv1->tv_usec) >> 10);
186}
187
188static thread_t main_tid;
189static int main_sig;
190static int block_sig_level;
191
192void block_sig ()
193{
194 sigset_t ss;
195
196 if (block_sig_level++)
197 return; 190 return;
198 191
199 if (!main_sig) 192 req->ptr1 = fiemap;
193
194 fiemap->fm_start = req->offs;
195 fiemap->fm_length = req->size;
196 fiemap->fm_flags = req->int2;
197 fiemap->fm_extent_count = count;
198
199 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
200 return; 200 return;
201 201
202 sigemptyset (&ss); 202 if (req->int3 >= 0 /* not autosizing */
203 sigaddset (&ss, main_sig); 203 || !fiemap->fm_mapped_extents /* no more extents */
204 pthread_sigmask (SIG_BLOCK, &ss, 0); 204 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
205} 205 goto done;
206 206
207void unblock_sig () 207 /* else we have to loop -
208{ 208 * it would be tempting (actually I tried that first) to just query the
209 sigset_t ss; 209 * number of extents needed, but linux often feels like not returning all
210 * extents, without telling us it left any out. this complicates
211 * this quite a bit.
212 */
210 213
211 if (--block_sig_level) 214 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
212 return;
213 215
214 if (!main_sig) 216 for (;;)
215 return;
216
217 sigemptyset (&ss);
218 sigaddset (&ss, main_sig);
219 pthread_sigmask (SIG_UNBLOCK, &ss, 0);
220}
221
222static int next_pri = DEFAULT_PRI + PRI_BIAS;
223
224static unsigned int started, idle, wanted;
225
226/* worker threads management */
227static mutex_t wrklock = X_MUTEX_INIT;
228
229typedef struct worker {
230 /* locked by wrklock */
231 struct worker *prev, *next;
232
233 thread_t tid;
234
235 /* locked by reslock, reqlock or wrklock */
236 aio_req req; /* currently processed request */
237 void *dbuf;
238 DIR *dirp;
239} worker;
240
241static worker wrk_first = { &wrk_first, &wrk_first, 0 };
242
243static void worker_clear (worker *wrk)
244{
245 if (wrk->dirp)
246 { 217 {
247 closedir (wrk->dirp); 218 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
248 wrk->dirp = 0; 219 char scratch[3072];
249 } 220 struct fiemap *incmap = (struct fiemap *)scratch;
250 221
251 if (wrk->dbuf) 222 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
252 { 223 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
253 free (wrk->dbuf); 224 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
254 wrk->dbuf = 0; 225 incmap->fm_flags = fiemap->fm_flags;
255 } 226 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
256}
257 227
258static void worker_free (worker *wrk) 228 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
259{
260 wrk->next->prev = wrk->prev;
261 wrk->prev->next = wrk->next;
262
263 free (wrk);
264}
265
266static volatile unsigned int nreqs, nready, npending;
267static volatile unsigned int max_idle = 4;
268static volatile unsigned int max_outstanding = 0xffffffff;
269static int respipe [2], respipe_osf [2];
270
271static mutex_t reslock = X_MUTEX_INIT;
272static mutex_t reqlock = X_MUTEX_INIT;
273static cond_t reqwait = X_COND_INIT;
274
275#if WORDACCESS_UNSAFE
276
277static unsigned int get_nready ()
278{
279 unsigned int retval;
280
281 X_LOCK (reqlock);
282 retval = nready;
283 X_UNLOCK (reqlock);
284
285 return retval;
286}
287
288static unsigned int get_npending ()
289{
290 unsigned int retval;
291
292 X_LOCK (reslock);
293 retval = npending;
294 X_UNLOCK (reslock);
295
296 return retval;
297}
298
299static unsigned int get_nthreads ()
300{
301 unsigned int retval;
302
303 X_LOCK (wrklock);
304 retval = started;
305 X_UNLOCK (wrklock);
306
307 return retval;
308}
309
310#else
311
312# define get_nready() nready
313# define get_npending() npending
314# define get_nthreads() started
315
316#endif
317
318/*
319 * a somewhat faster data structure might be nice, but
320 * with 8 priorities this actually needs <20 insns
321 * per shift, the most expensive operation.
322 */
323typedef struct {
324 aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
325 int size;
326} reqq;
327
328static reqq req_queue;
329static reqq res_queue;
330
331int reqq_push (reqq *q, aio_req req)
332{
333 int pri = req->pri;
334 req->next = 0;
335
336 if (q->qe[pri])
337 {
338 q->qe[pri]->next = req;
339 q->qe[pri] = req;
340 }
341 else
342 q->qe[pri] = q->qs[pri] = req;
343
344 return q->size++;
345}
346
347aio_req reqq_shift (reqq *q)
348{
349 int pri;
350
351 if (!q->size)
352 return 0; 229 return;
353 230
354 --q->size; 231 if (!incmap->fm_mapped_extents)
232 goto done;
355 233
356 for (pri = NUM_PRI; pri--; ) 234 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
357 { 235 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
358 aio_req req = q->qs[pri]; 236 errno = ENOMEM;
359
360 if (req) 237 if (!fiemap)
238 return;
239
240 req->ptr1 = fiemap;
241
242 for (count = 0; count < incmap->fm_mapped_extents; ++count)
361 { 243 {
362 if (!(q->qs[pri] = req->next)) 244 struct fiemap_extent *e = incmap->fm_extents + count;
363 q->qe[pri] = 0;
364 245
365 return req; 246 if (e->fe_logical + e->fe_length >= end_offset)
247 goto done;
248
249 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
250
251 if (e->fe_flags & FIEMAP_EXTENT_LAST)
252 goto done;
253
366 } 254 }
367 } 255 }
368 256
369 abort (); 257done:
370} 258 req->result = 0;
371 259
372static int poll_cb (); 260#else
373static int req_invoke (aio_req req); 261 errno = ENOSYS;
262#endif
263}
264
265/*****************************************************************************/
266
267enum {
268 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
269};
270
271typedef eio_req *aio_req;
272typedef eio_req *aio_req_ornot;
273typedef eio_wd aio_wd;
274
275static SV *on_next_submit;
276static int next_pri = EIO_PRI_DEFAULT;
277static int max_outstanding;
278
279static s_epipe respipe;
280
374static void req_destroy (aio_req req); 281static void req_destroy (aio_req req);
375static void req_cancel (aio_req req); 282static void req_cancel (aio_req req);
376 283
284static void
285want_poll (void)
286{
287 /* write a dummy byte to the pipe so fh becomes ready */
288 s_epipe_signal (&respipe);
289}
290
291static void
292done_poll (void)
293{
294 /* read any signals sent by the worker threads */
295 s_epipe_drain (&respipe);
296}
297
377/* must be called at most once */ 298/* must be called at most once */
378static SV *req_sv (aio_req req, const char *klass) 299static SV *
300req_sv (aio_req req, HV *stash)
379{ 301{
380 if (!req->self) 302 if (!req->self)
381 { 303 {
382 req->self = (SV *)newHV (); 304 req->self = (SV *)newHV ();
383 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 305 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
384 } 306 }
385 307
386 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 308 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
387} 309}
388 310
389static aio_req SvAIO_REQ (SV *sv) 311static SV *
312newSVaio_wd (aio_wd wd)
313{
314 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
315}
316
317static aio_req
318SvAIO_REQ (SV *sv)
390{ 319{
391 MAGIC *mg; 320 MAGIC *mg;
392 321
393 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 322 if (!SvROK (sv)
323 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
324 || (SvSTASH (SvRV (sv)) != aio_grp_stash
325 && SvSTASH (SvRV (sv)) != aio_req_stash
326 && !sv_derived_from (sv, "IO::AIO::REQ")))
394 croak ("object of class " AIO_REQ_KLASS " expected"); 327 croak ("object of class IO::AIO::REQ expected");
395 328
396 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 329 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
397 330
398 return mg ? (aio_req)mg->mg_ptr : 0; 331 return mg ? (aio_req)mg->mg_ptr : 0;
399} 332}
400 333
334static aio_wd
335SvAIO_WD (SV *sv)
336{
337 if (!SvROK (sv)
338 || SvTYPE (SvRV (sv)) != SVt_PVMG
339 || SvSTASH (SvRV (sv)) != aio_wd_stash)
340 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
341
342 return (aio_wd)(long)SvIVX (SvRV (sv));
343}
344
345static SV *
346newmortalFH (int fd, int flags)
347{
348 if (fd < 0)
349 return &PL_sv_undef;
350
351 GV *gv = (GV *)sv_newmortal ();
352 char sym[64];
353 int symlen;
354
355 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
356 gv_init (gv, aio_stash, sym, symlen, 0);
357
358 symlen = snprintf (
359 sym,
360 sizeof (sym),
361 "%s&=%d",
362 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
363 fd
364 );
365
366 return do_open (gv, sym, symlen, 0, 0, 0, 0)
367 ? (SV *)gv : &PL_sv_undef;
368}
369
370static void
401static void aio_grp_feed (aio_req grp) 371aio_grp_feed (aio_req grp)
402{ 372{
403 block_sig (); 373 if (grp->sv2 && SvOK (grp->sv2))
404
405 while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED))
406 { 374 {
407 int old_len = grp->size;
408
409 if (grp->sv2 && SvOK (grp->sv2))
410 {
411 dSP; 375 dSP;
412 376
413 ENTER; 377 ENTER;
414 SAVETMPS; 378 SAVETMPS;
415 PUSHMARK (SP); 379 PUSHMARK (SP);
416 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 380 XPUSHs (req_sv (grp, aio_grp_stash));
417 PUTBACK; 381 PUTBACK;
418 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 382 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
419 SPAGAIN; 383 SPAGAIN;
420 FREETMPS; 384 FREETMPS;
421 LEAVE; 385 LEAVE;
422 }
423
424 /* stop if no progress has been made */
425 if (old_len == grp->size)
426 {
427 SvREFCNT_dec (grp->sv2);
428 grp->sv2 = 0;
429 break;
430 }
431 } 386 }
432
433 unblock_sig ();
434} 387}
435 388
436static void aio_grp_dec (aio_req grp) 389static void
390req_submit (eio_req *req)
437{ 391{
438 --grp->size; 392 eio_submit (req);
439 393
440 /* call feeder, if applicable */ 394 if (expect_false (on_next_submit))
441 aio_grp_feed (grp);
442
443 /* finish, if done */
444 if (!grp->size && grp->int1)
445 { 395 {
446 block_sig (); 396 dSP;
397 SV *cb = sv_2mortal (on_next_submit);
447 398
448 if (!req_invoke (grp)) 399 on_next_submit = 0;
449 {
450 req_destroy (grp);
451 unblock_sig ();
452 croak (0);
453 }
454 400
455 req_destroy (grp); 401 PUSHMARK (SP);
456 unblock_sig (); 402 PUTBACK;
403 call_sv (cb, G_DISCARD | G_EVAL);
457 } 404 }
458} 405}
459 406
407static int
460static int req_invoke (aio_req req) 408req_invoke (eio_req *req)
461{ 409{
462 dSP;
463
464 if (req->flags & FLAG_SV2_RO_OFF) 410 if (req->flags & FLAG_SV2_RO_OFF)
465 SvREADONLY_off (req->sv2); 411 SvREADONLY_off (req->sv2);
466 412
467 if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) 413 if (!EIO_CANCELLED (req) && req->callback)
468 { 414 {
415 dSP;
416 static SV *sv_result_cache; /* caches the result integer SV */
417 SV *sv_result;
418
469 ENTER; 419 ENTER;
470 SAVETMPS; 420 SAVETMPS;
471 PUSHMARK (SP); 421 PUSHMARK (SP);
472 EXTEND (SP, 1); 422 EXTEND (SP, 1);
473 423
424 /* do not recreate the result IV from scratch each time */
425 if (expect_true (sv_result_cache))
426 {
427 sv_result = sv_result_cache; sv_result_cache = 0;
428 SvIV_set (sv_result, req->result);
429 SvIOK_only (sv_result);
430 }
431 else
432 {
433 sv_result = newSViv (req->result);
434 SvREADONLY_on (sv_result);
435 }
436
474 switch (req->type) 437 switch (req->type)
475 { 438 {
439 case EIO_WD_OPEN:
440 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
441 break;
442
476 case REQ_READDIR: 443 case EIO_READDIR:
477 { 444 {
478 SV *rv = &PL_sv_undef; 445 SV *rv = &PL_sv_undef;
479 446
480 if (req->result >= 0) 447 if (req->result >= 0)
481 { 448 {
482 int i; 449 int i;
483 char *buf = req->ptr2; 450 char *names = (char *)req->ptr2;
451 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
484 AV *av = newAV (); 452 AV *av = newAV ();
485 453
486 av_extend (av, req->result - 1); 454 av_extend (av, req->result - 1);
487 455
488 for (i = 0; i < req->result; ++i) 456 for (i = 0; i < req->result; ++i)
489 { 457 {
490 SV *sv = newSVpv (buf, 0); 458 if (req->int1 & EIO_READDIR_DENTS)
459 {
460 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
491 461
462 if (req->int1 & EIO_READDIR_CUSTOM2)
463 {
464 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
465 AV *avent = newAV ();
466
467 av_extend (avent, 2);
468
469 if (!sv_type [ent->type])
470 {
471 sv_type [ent->type] = newSViv (ent->type);
472 SvREADONLY_on (sv_type [ent->type]);
473 }
474
475 av_store (avent, 0, namesv);
476 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
477 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
478
479 av_store (av, i, newRV_noinc ((SV *)avent));
480 }
481 else
492 av_store (av, i, sv); 482 av_store (av, i, namesv);
483
484 ++ent;
485 }
486 else
487 {
488 SV *name = newSVpv (names, 0);
489 av_store (av, i, name);
493 buf += SvCUR (sv) + 1; 490 names += SvCUR (name) + 1;
491 }
494 } 492 }
495 493
496 rv = sv_2mortal (newRV_noinc ((SV *)av)); 494 rv = sv_2mortal (newRV_noinc ((SV *)av));
497 } 495 }
498 496
499 PUSHs (rv); 497 PUSHs (rv);
498
499 if (req->int1 & EIO_READDIR_CUSTOM1)
500 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
500 } 501 }
501 break; 502 break;
502 503
503 case REQ_OPEN: 504 case EIO_OPEN:
505 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
506 break;
507
508 case EIO_STATVFS:
509 case EIO_FSTATVFS:
504 { 510 {
505 /* convert fd to fh */ 511 SV *rv = &PL_sv_undef;
506 SV *fh; 512
513#ifndef _WIN32
514 if (req->result >= 0)
515 {
516 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
517 HV *hv = newHV ();
518 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
519 * chooses to make it a struct.
520 */
521 unsigned long fsid = 0;
522 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
507 523
508 PUSHs (sv_2mortal (newSViv (req->result))); 524 rv = sv_2mortal (newRV_noinc ((SV *)hv));
509 PUTBACK;
510 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
511 SPAGAIN;
512 525
513 fh = POPs; 526 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
514 PUSHMARK (SP); 527 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
528 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
529 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
530 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
531 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
532 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
533 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
534 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
535 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
536 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
537 }
538#endif
539
515 XPUSHs (fh); 540 PUSHs (rv);
516 } 541 }
542
517 break; 543 break;
518 544
519 case REQ_GROUP: 545 case EIO_GROUP:
520 req->int1 = 2; /* mark group as finished */ 546 req->int1 = 2; /* mark group as finished */
521 547
522 if (req->sv1) 548 if (req->sv1)
523 { 549 {
524 int i; 550 int i;
… …
528 for (i = 0; i <= AvFILL (av); ++i) 554 for (i = 0; i <= AvFILL (av); ++i)
529 PUSHs (*av_fetch (av, i, 0)); 555 PUSHs (*av_fetch (av, i, 0));
530 } 556 }
531 break; 557 break;
532 558
533 case REQ_NOP: 559 case EIO_NOP:
534 case REQ_BUSY: 560 case EIO_BUSY:
535 break; 561 break;
536 562
537 case REQ_READLINK: 563 case EIO_READLINK:
564 case EIO_REALPATH:
538 if (req->result > 0) 565 if (req->result > 0)
566 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
567 break;
568
569 case EIO_STAT:
570 case EIO_LSTAT:
571 case EIO_FSTAT:
572 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
573
574 if (!(PL_laststatval = req->result))
575 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
576 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
577
578 PUSHs (sv_result);
579 break;
580
581 case EIO_SEEK:
582 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
583 break;
584
585 case EIO_READ:
586 {
587 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
588 *SvEND (req->sv2) = 0;
589 SvPOK_only (req->sv2);
590 SvSETMAGIC (req->sv2);
591 PUSHs (sv_result);
592 }
593 break;
594
595 case EIO_CUSTOM:
596 if (req->feed == fiemap)
539 { 597 {
540 SvCUR_set (req->sv2, req->result); 598#if HAVE_FIEMAP
541 *SvEND (req->sv2) = 0;
542 PUSHs (req->sv2); 599 if (!req->result)
600 {
601 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
602
603 if (fiemap->fm_extent_count)
604 {
605 AV *av = newAV ();
606 int i;
607
608 while (fiemap->fm_mapped_extents)
609 {
610 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
611 AV *ext_av = newAV ();
612
613 av_store (ext_av, 3, newSVuv (extent->fe_flags));
614 av_store (ext_av, 2, newSVval64 (extent->fe_length));
615 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
616 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
617
618 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
619 }
620
621 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
622 }
623 else
624 {
625 SvIV_set (sv_result, fiemap->fm_mapped_extents);
626 PUSHs (sv_result);
627 }
628 }
629#endif
543 } 630 }
631 else
632 PUSHs (sv_result);
544 break; 633 break;
545 634
546 case REQ_STAT: 635 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
547 case REQ_LSTAT: 636 if (req->result > 0)
548 case REQ_FSTAT: 637 SvIV_set (sv_result, 0);
549 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 638 /* FALLTHROUGH */
550 PL_laststatval = req->result;
551 PL_statcache = *(Stat_t *)(req->ptr2);
552 PUSHs (sv_2mortal (newSViv (req->result)));
553 break;
554
555 case REQ_READ:
556 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
557 *SvEND (req->sv2) = 0;
558 PUSHs (sv_2mortal (newSViv (req->result)));
559 break;
560 639
561 default: 640 default:
562 PUSHs (sv_2mortal (newSViv (req->result))); 641 PUSHs (sv_result);
563 break; 642 break;
564 } 643 }
565 644
566 errno = req->errorno; 645 errno = req->errorno;
567 646
568 PUTBACK; 647 PUTBACK;
569 call_sv (req->callback, G_VOID | G_EVAL); 648 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
570 SPAGAIN; 649 SPAGAIN;
650
651 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
652 SvREFCNT_dec (sv_result);
653 else
654 sv_result_cache = sv_result;
571 655
572 FREETMPS; 656 FREETMPS;
573 LEAVE; 657 LEAVE;
658
659 PUTBACK;
574 } 660 }
575 661
576 if (req->grp)
577 {
578 aio_req grp = req->grp;
579
580 /* unlink request */
581 if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
582 if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
583
584 if (grp->grp_first == req)
585 grp->grp_first = req->grp_next;
586
587 aio_grp_dec (grp);
588 }
589
590 return !SvTRUE (ERRSV); 662 return !!SvTRUE (ERRSV);
591} 663}
592 664
665static void
593static void req_destroy (aio_req req) 666req_destroy (aio_req req)
594{ 667{
595 if (req->self) 668 if (req->self)
596 { 669 {
597 sv_unmagic (req->self, PERL_MAGIC_ext); 670 sv_unmagic (req->self, PERL_MAGIC_ext);
598 SvREFCNT_dec (req->self); 671 SvREFCNT_dec (req->self);
599 } 672 }
600 673
601 SvREFCNT_dec (req->sv1); 674 SvREFCNT_dec (req->sv1);
602 SvREFCNT_dec (req->sv2); 675 SvREFCNT_dec (req->sv2);
676 SvREFCNT_dec (req->sv3);
677 SvREFCNT_dec (req->sv4);
603 SvREFCNT_dec (req->callback); 678 SvREFCNT_dec (req->callback);
604 679
605 if (req->flags & FLAG_PTR2_FREE)
606 free (req->ptr2);
607
608 Safefree (req); 680 free (req);
609} 681}
610 682
683static void
611static void req_cancel_subs (aio_req grp) 684req_cancel_subs (aio_req grp)
612{ 685{
613 aio_req sub;
614
615 if (grp->type != REQ_GROUP) 686 if (grp->type != EIO_GROUP)
616 return; 687 return;
617 688
618 SvREFCNT_dec (grp->sv2); 689 SvREFCNT_dec (grp->sv2);
619 grp->sv2 = 0; 690 grp->sv2 = 0;
620 691
621 for (sub = grp->grp_first; sub; sub = sub->grp_next) 692 eio_grp_cancel (grp);
622 req_cancel (sub);
623} 693}
624 694
625static void req_cancel (aio_req req) 695static void ecb_cold
696create_respipe (void)
626{ 697{
627 req->flags |= FLAG_CANCELLED; 698 if (s_epipe_renew (&respipe))
628 699 croak ("IO::AIO: unable to initialize result pipe");
629 req_cancel_subs (req);
630} 700}
631
632#ifdef USE_SOCKETS_AS_HANDLES
633# define TO_SOCKET(x) (win32_get_osfhandle (x))
634#else
635# define TO_SOCKET(x) (x)
636#endif
637 701
638static void 702static void
639create_pipe (int fd[2]) 703poll_wait (void)
640{ 704{
641#ifdef _WIN32
642 int arg = 1;
643 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
644 || ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
645 || ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
646#else
647 if (pipe (fd)
648 || fcntl (fd [0], F_SETFL, O_NONBLOCK)
649 || fcntl (fd [1], F_SETFL, O_NONBLOCK))
650#endif
651 croak ("unable to initialize result pipe");
652
653 respipe_osf [0] = TO_SOCKET (respipe [0]);
654 respipe_osf [1] = TO_SOCKET (respipe [1]);
655}
656
657X_THREAD_PROC (aio_proc);
658
659static void start_thread (void)
660{
661 worker *wrk = calloc (1, sizeof (worker));
662
663 if (!wrk)
664 croak ("unable to allocate worker thread data");
665
666 X_LOCK (wrklock);
667
668 if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
669 {
670 wrk->prev = &wrk_first;
671 wrk->next = wrk_first.next;
672 wrk_first.next->prev = wrk;
673 wrk_first.next = wrk;
674 ++started;
675 }
676 else
677 free (wrk);
678
679 X_UNLOCK (wrklock);
680}
681
682static void maybe_start_thread ()
683{
684 if (get_nthreads () >= wanted)
685 return;
686
687 /* todo: maybe use idle here, but might be less exact */
688 if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs)
689 return;
690
691 start_thread ();
692}
693
694static void req_send (aio_req req)
695{
696 block_sig ();
697
698 ++nreqs;
699
700 X_LOCK (reqlock);
701 ++nready;
702 reqq_push (&req_queue, req);
703 X_COND_SIGNAL (reqwait);
704 X_UNLOCK (reqlock);
705
706 unblock_sig ();
707
708 maybe_start_thread ();
709}
710
711static void end_thread (void)
712{
713 aio_req req;
714
715 Newz (0, req, 1, aio_cb);
716
717 req->type = REQ_QUIT;
718 req->pri = PRI_MAX + PRI_BIAS;
719
720 X_LOCK (reqlock);
721 reqq_push (&req_queue, req);
722 X_COND_SIGNAL (reqwait);
723 X_UNLOCK (reqlock);
724
725 X_LOCK (wrklock);
726 --started;
727 X_UNLOCK (wrklock);
728}
729
730static void set_max_idle (int nthreads)
731{
732 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
733 max_idle = nthreads <= 0 ? 1 : nthreads;
734 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
735}
736
737static void min_parallel (int nthreads)
738{
739 if (wanted < nthreads)
740 wanted = nthreads;
741}
742
743static void max_parallel (int nthreads)
744{
745 if (wanted > nthreads)
746 wanted = nthreads;
747
748 while (started > wanted)
749 end_thread ();
750}
751
752static void poll_wait ()
753{
754 fd_set rfd;
755
756 while (nreqs) 705 while (eio_nreqs ())
757 { 706 {
758 int size; 707 int size;
759 if (WORDACCESS_UNSAFE) X_LOCK (reslock); 708
709 X_LOCK (reslock);
760 size = res_queue.size; 710 size = res_queue.size;
761 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); 711 X_UNLOCK (reslock);
762 712
763 if (size) 713 if (size)
764 return; 714 return;
765 715
766 maybe_start_thread (); 716 etp_maybe_start_thread ();
767 717
768 FD_ZERO (&rfd); 718 s_epipe_wait (&respipe);
769 FD_SET (respipe [0], &rfd);
770
771 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
772 } 719 }
773} 720}
774 721
775static int poll_cb () 722static int
723poll_cb (void)
776{ 724{
777 dSP;
778 int count = 0;
779 int maxreqs = max_poll_reqs;
780 int do_croak = 0;
781 struct timeval tv_start, tv_now;
782 aio_req req;
783
784 if (max_poll_time)
785 gettimeofday (&tv_start, 0);
786
787 block_sig ();
788
789 for (;;) 725 for (;;)
790 { 726 {
791 for (;;) 727 int res = eio_poll ();
728
729 if (res > 0)
730 croak (0);
731
732 if (!max_outstanding || max_outstanding > eio_nreqs ())
733 return res;
734
735 poll_wait ();
736 }
737}
738
739static void ecb_cold
740reinit (void)
741{
742 create_respipe ();
743
744 if (eio_init (want_poll, done_poll) < 0)
745 croak ("IO::AIO: unable to initialise eio library");
746}
747
748/*****************************************************************************/
749
750#if !_POSIX_MAPPED_FILES
751# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
752# define munmap(addr,length) EIO_ENOSYS ()
753#endif
754
755#if !_POSIX_MEMORY_PROTECTION
756# define mprotect(addr,len,prot) EIO_ENOSYS ()
757#endif
758
759#define MMAP_MAGIC PERL_MAGIC_ext
760
761static int ecb_cold
762mmap_free (pTHX_ SV *sv, MAGIC *mg)
763{
764 int old_errno = errno;
765 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
766 errno = old_errno;
767
768 mg->mg_obj = 0; /* just in case */
769
770 SvREADONLY_off (sv);
771
772 if (SvPVX (sv) != mg->mg_ptr)
773 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
774
775 SvCUR_set (sv, 0);
776 SvPVX (sv) = 0;
777 SvOK_off (sv);
778
779 return 0;
780}
781
782static MGVTBL mmap_vtbl = {
783 0, 0, 0, 0, mmap_free
784};
785
786/*****************************************************************************/
787
788static SV *
789get_cb (SV *cb_sv)
790{
791 SvGETMAGIC (cb_sv);
792 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
793}
794
795static aio_req ecb_noinline
796dreq (SV *callback)
797{
798 SV *cb_cv;
799 aio_req req;
800 int req_pri = next_pri;
801 next_pri = EIO_PRI_DEFAULT;
802
803 cb_cv = get_cb (callback);
804
805 req = calloc (sizeof (*req), 1);
806 if (!req)
807 croak ("out of memory during eio_req allocation");
808
809 req->callback = SvREFCNT_inc (cb_cv);
810 req->pri = req_pri;
811
812 return req;
813}
814
815#define dREQ \
816 aio_req req = dreq (callback); \
817
818#define REQ_SEND \
819 PUTBACK; \
820 req_submit (req); \
821 SPAGAIN; \
822 \
823 if (GIMME_V != G_VOID) \
824 XPUSHs (req_sv (req, aio_req_stash));
825
826ecb_inline void
827req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
828{
829 if (expect_false (SvROK (path)))
830 {
831 SV *rv = SvRV (path);
832 SV *wdob;
833
834 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
792 { 835 {
793 maybe_start_thread (); 836 path = AvARRAY (rv)[1];
837 wdob = AvARRAY (rv)[0];
794 838
795 X_LOCK (reslock); 839 if (SvOK (wdob))
796 req = reqq_shift (&res_queue);
797
798 if (req)
799 { 840 {
800 --npending; 841 *wd = SvAIO_WD (wdob);
801 842 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
802 if (!res_queue.size)
803 {
804 /* read any signals sent by the worker threads */
805 char buf [4];
806 while (respipe_read (respipe [0], buf, 4) == 4)
807 ;
808 }
809 }
810
811 X_UNLOCK (reslock);
812
813 if (!req)
814 break;
815
816 --nreqs;
817
818 if (req->type == REQ_GROUP && req->size)
819 {
820 req->int1 = 1; /* mark request as delayed */
821 continue;
822 } 843 }
823 else 844 else
824 { 845 *wd = EIO_INVALID_WD;
825 if (!req_invoke (req))
826 {
827 req_destroy (req);
828 unblock_sig ();
829 croak (0);
830 }
831
832 count++;
833 }
834
835 req_destroy (req);
836
837 if (maxreqs && !--maxreqs)
838 break;
839
840 if (max_poll_time)
841 {
842 gettimeofday (&tv_now, 0);
843
844 if (tvdiff (&tv_start, &tv_now) >= max_poll_time)
845 break;
846 }
847 } 846 }
847 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
848 {
849 *wd = (aio_wd)(long)SvIVX (rv);
850 *wdsv = SvREFCNT_inc_NN (rv);
851 *ptr = ".";
852 return; /* path set to "." */
853 }
854 else
855 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
856 }
848 857
849 if (nreqs <= max_outstanding) 858 *pathsv = newSVsv (path);
859 *ptr = SvPVbyte_nolen (*pathsv);
860}
861
862static void ecb_noinline
863req_set_path1 (aio_req req, SV *path)
864{
865 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
866}
867
868static void ecb_noinline
869req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
870{
871 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
872
873 switch (SvTYPE (rv))
874 {
875 case SVt_PVIO:
876 case SVt_PVLV:
877 case SVt_PVGV:
878 req->type = type_fh;
879 req->sv1 = newSVsv (fh_or_path);
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
850 break; 881 break;
851 882
852 poll_wait (); 883 default:
853 884 req->type = type_path;
854 ++maxreqs; 885 req_set_path1 (req, fh_or_path);
886 break;
855 } 887 }
856
857 unblock_sig ();
858 return count;
859} 888}
860 889
861/*****************************************************************************/ 890XS(boot_IO__AIO) ecb_cold;
862/* work around various missing functions */
863 891
864#if !HAVE_PREADWRITE
865# define pread aio_pread
866# define pwrite aio_pwrite
867
868/*
869 * make our pread/pwrite safe against themselves, but not against
870 * normal read/write by using a mutex. slows down execution a lot,
871 * but that's your problem, not mine.
872 */
873static mutex_t preadwritelock = X_MUTEX_INIT;
874
875static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
876{
877 ssize_t res;
878 off_t ooffset;
879
880 X_LOCK (preadwritelock);
881 ooffset = lseek (fd, 0, SEEK_CUR);
882 lseek (fd, offset, SEEK_SET);
883 res = read (fd, buf, count);
884 lseek (fd, ooffset, SEEK_SET);
885 X_UNLOCK (preadwritelock);
886
887 return res;
888}
889
890static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
891{
892 ssize_t res;
893 off_t ooffset;
894
895 X_LOCK (preadwritelock);
896 ooffset = lseek (fd, 0, SEEK_CUR);
897 lseek (fd, offset, SEEK_SET);
898 res = write (fd, buf, count);
899 lseek (fd, offset, SEEK_SET);
900 X_UNLOCK (preadwritelock);
901
902 return res;
903}
904#endif
905
906#ifndef HAVE_FUTIMES
907
908# define utimes(path,times) aio_utimes (path, times)
909# define futimes(fd,times) aio_futimes (fd, times)
910
911int aio_utimes (const char *filename, const struct timeval times[2])
912{
913 if (times)
914 {
915 struct utimbuf buf;
916
917 buf.actime = times[0].tv_sec;
918 buf.modtime = times[1].tv_sec;
919
920 return utime (filename, &buf);
921 }
922 else
923 return utime (filename, 0);
924}
925
926int aio_futimes (int fd, const struct timeval tv[2])
927{
928 errno = ENOSYS;
929 return -1;
930}
931
932#endif
933
934#if !HAVE_FDATASYNC
935# define fdatasync fsync
936#endif
937
938#if !HAVE_READAHEAD
939# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)
940
941static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self)
942{
943 size_t todo = count;
944 dBUF;
945
946 while (todo > 0)
947 {
948 size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE;
949
950 pread (fd, aio_buf, len, offset);
951 offset += len;
952 todo -= len;
953 }
954
955 errno = 0;
956 return count;
957}
958
959#endif
960
961#if !HAVE_READDIR_R
962# define readdir_r aio_readdir_r
963
964static mutex_t readdirlock = X_MUTEX_INIT;
965
966static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res)
967{
968 X_DIRENT *e;
969 int errorno;
970
971 X_LOCK (readdirlock);
972
973 e = readdir (dirp);
974 errorno = errno;
975
976 if (e)
977 {
978 *res = ent;
979 strcpy (ent->d_name, e->d_name);
980 }
981 else
982 *res = 0;
983
984 X_UNLOCK (readdirlock);
985
986 errno = errorno;
987 return e ? 0 : -1;
988}
989#endif
990
991/* sendfile always needs emulation */
992static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self)
993{
994 ssize_t res;
995
996 if (!count)
997 return 0;
998
999#if HAVE_SENDFILE
1000# if __linux
1001 res = sendfile (ofd, ifd, &offset, count);
1002
1003# elif __freebsd
1004 /*
1005 * Of course, the freebsd sendfile is a dire hack with no thoughts
1006 * wasted on making it similar to other I/O functions.
1007 */
1008 {
1009 off_t sbytes;
1010 res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0);
1011
1012 if (res < 0 && sbytes)
1013 /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */
1014 res = sbytes;
1015 }
1016
1017# elif __hpux
1018 res = sendfile (ofd, ifd, offset, count, 0, 0);
1019
1020# elif __solaris
1021 {
1022 struct sendfilevec vec;
1023 size_t sbytes;
1024
1025 vec.sfv_fd = ifd;
1026 vec.sfv_flag = 0;
1027 vec.sfv_off = offset;
1028 vec.sfv_len = count;
1029
1030 res = sendfilev (ofd, &vec, 1, &sbytes);
1031
1032 if (res < 0 && sbytes)
1033 res = sbytes;
1034 }
1035
1036# endif
1037#else
1038 res = -1;
1039 errno = ENOSYS;
1040#endif
1041
1042 if (res < 0
1043 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK
1044#if __solaris
1045 || errno == EAFNOSUPPORT || errno == EPROTOTYPE
1046#endif
1047 )
1048 )
1049 {
1050 /* emulate sendfile. this is a major pain in the ass */
1051 dBUF;
1052
1053 res = 0;
1054
1055 while (count)
1056 {
1057 ssize_t cnt;
1058
1059 cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset);
1060
1061 if (cnt <= 0)
1062 {
1063 if (cnt && !res) res = -1;
1064 break;
1065 }
1066
1067 cnt = write (ofd, aio_buf, cnt);
1068
1069 if (cnt <= 0)
1070 {
1071 if (cnt && !res) res = -1;
1072 break;
1073 }
1074
1075 offset += cnt;
1076 res += cnt;
1077 count -= cnt;
1078 }
1079 }
1080
1081 return res;
1082}
1083
1084/* read a full directory */
1085static void scandir_ (aio_req req, worker *self)
1086{
1087 DIR *dirp;
1088 union
1089 {
1090 X_DIRENT d;
1091 char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1];
1092 } *u;
1093 X_DIRENT *entp;
1094 char *name, *names;
1095 int memlen = 4096;
1096 int memofs = 0;
1097 int res = 0;
1098
1099 X_LOCK (wrklock);
1100 self->dirp = dirp = opendir (req->ptr1);
1101 self->dbuf = u = malloc (sizeof (*u));
1102 req->flags |= FLAG_PTR2_FREE;
1103 req->ptr2 = names = malloc (memlen);
1104 X_UNLOCK (wrklock);
1105
1106 if (dirp && u && names)
1107 for (;;)
1108 {
1109 errno = 0;
1110 readdir_r (dirp, &u->d, &entp);
1111
1112 if (!entp)
1113 break;
1114
1115 name = entp->d_name;
1116
1117 if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2])))
1118 {
1119 int len = strlen (name) + 1;
1120
1121 res++;
1122
1123 while (memofs + len > memlen)
1124 {
1125 memlen *= 2;
1126 X_LOCK (wrklock);
1127 req->ptr2 = names = realloc (names, memlen);
1128 X_UNLOCK (wrklock);
1129
1130 if (!names)
1131 break;
1132 }
1133
1134 memcpy (names + memofs, name, len);
1135 memofs += len;
1136 }
1137 }
1138
1139 if (errno)
1140 res = -1;
1141
1142 req->result = res;
1143}
1144
1145/*****************************************************************************/
1146
1147X_THREAD_PROC (aio_proc)
1148{
1149 {//D
1150 aio_req req;
1151 struct timespec ts;
1152 worker *self = (worker *)thr_arg;
1153
1154 /* try to distribute timeouts somewhat randomly */
1155 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
1156
1157 for (;;)
1158 {
1159 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1160
1161 X_LOCK (reqlock);
1162
1163 for (;;)
1164 {
1165 self->req = req = reqq_shift (&req_queue);
1166
1167 if (req)
1168 break;
1169
1170 ++idle;
1171
1172 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
1173 == ETIMEDOUT)
1174 {
1175 if (idle > max_idle)
1176 {
1177 --idle;
1178 X_UNLOCK (reqlock);
1179 X_LOCK (wrklock);
1180 --started;
1181 X_UNLOCK (wrklock);
1182 goto quit;
1183 }
1184
1185 /* we are allowed to idle, so do so without any timeout */
1186 X_COND_WAIT (reqwait, reqlock);
1187 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1188 }
1189
1190 --idle;
1191 }
1192
1193 --nready;
1194
1195 X_UNLOCK (reqlock);
1196
1197 errno = 0; /* strictly unnecessary */
1198
1199 if (!(req->flags & FLAG_CANCELLED))
1200 switch (req->type)
1201 {
1202 case REQ_READ: req->result = req->offs >= 0
1203 ? pread (req->int1, req->ptr1, req->size, req->offs)
1204 : read (req->int1, req->ptr1, req->size); break;
1205 case REQ_WRITE: req->result = req->offs >= 0
1206 ? pwrite (req->int1, req->ptr1, req->size, req->offs)
1207 : write (req->int1, req->ptr1, req->size); break;
1208
1209 case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
1210 case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;
1211
1212 case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;
1213 case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;
1214 case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;
1215
1216 case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break;
1217 case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;
1218 case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break;
1219 case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break;
1220 case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break;
1221 case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break;
1222
1223 case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;
1224 case REQ_CLOSE: req->result = close (req->int1); break;
1225 case REQ_UNLINK: req->result = unlink (req->ptr1); break;
1226 case REQ_RMDIR: req->result = rmdir (req->ptr1); break;
1227 case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break;
1228 case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;
1229 case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;
1230 case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;
1231 case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break;
1232 case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;
1233
1234 case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;
1235 case REQ_FSYNC: req->result = fsync (req->int1); break;
1236 case REQ_READDIR: scandir_ (req, self); break;
1237
1238 case REQ_BUSY:
1239#ifdef _WIN32
1240 Sleep (req->nv1 * 1000.);
1241#else
1242 {
1243 struct timeval tv;
1244
1245 tv.tv_sec = req->nv1;
1246 tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.;
1247
1248 req->result = select (0, 0, 0, 0, &tv);
1249 }
1250#endif
1251 break;
1252
1253 case REQ_UTIME:
1254 case REQ_FUTIME:
1255 {
1256 struct timeval tv[2];
1257 struct timeval *times;
1258
1259 if (req->nv1 != -1. || req->nv2 != -1.)
1260 {
1261 tv[0].tv_sec = req->nv1;
1262 tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.;
1263 tv[1].tv_sec = req->nv2;
1264 tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.;
1265
1266 times = tv;
1267 }
1268 else
1269 times = 0;
1270
1271
1272 req->result = req->type == REQ_FUTIME
1273 ? futimes (req->int1, times)
1274 : utimes (req->ptr1, times);
1275 }
1276
1277 case REQ_GROUP:
1278 case REQ_NOP:
1279 break;
1280
1281 case REQ_QUIT:
1282 goto quit;
1283
1284 default:
1285 req->result = -1;
1286 break;
1287 }
1288
1289 req->errorno = errno;
1290
1291 X_LOCK (reslock);
1292
1293 ++npending;
1294
1295 if (!reqq_push (&res_queue, req))
1296 {
1297 /* write a dummy byte to the pipe so fh becomes ready */
1298 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
1299
1300 /* optionally signal the main thread asynchronously */
1301 if (main_sig)
1302 pthread_kill (main_tid, main_sig);
1303 }
1304
1305 self->req = 0;
1306 worker_clear (self);
1307
1308 X_UNLOCK (reslock);
1309 }
1310
1311quit:
1312 X_LOCK (wrklock);
1313 worker_free (self);
1314 X_UNLOCK (wrklock);
1315
1316 return 0;
1317 }//D
1318}
1319
1320/*****************************************************************************/
1321
1322static void atfork_prepare (void)
1323{
1324 X_LOCK (wrklock);
1325 X_LOCK (reqlock);
1326 X_LOCK (reslock);
1327#if !HAVE_PREADWRITE
1328 X_LOCK (preadwritelock);
1329#endif
1330#if !HAVE_READDIR_R
1331 X_LOCK (readdirlock);
1332#endif
1333}
1334
1335static void atfork_parent (void)
1336{
1337#if !HAVE_READDIR_R
1338 X_UNLOCK (readdirlock);
1339#endif
1340#if !HAVE_PREADWRITE
1341 X_UNLOCK (preadwritelock);
1342#endif
1343 X_UNLOCK (reslock);
1344 X_UNLOCK (reqlock);
1345 X_UNLOCK (wrklock);
1346}
1347
1348static void atfork_child (void)
1349{
1350 aio_req prv;
1351
1352 while (prv = reqq_shift (&req_queue))
1353 req_destroy (prv);
1354
1355 while (prv = reqq_shift (&res_queue))
1356 req_destroy (prv);
1357
1358 while (wrk_first.next != &wrk_first)
1359 {
1360 worker *wrk = wrk_first.next;
1361
1362 if (wrk->req)
1363 req_destroy (wrk->req);
1364
1365 worker_clear (wrk);
1366 worker_free (wrk);
1367 }
1368
1369 started = 0;
1370 idle = 0;
1371 nreqs = 0;
1372 nready = 0;
1373 npending = 0;
1374
1375 respipe_close (respipe [0]);
1376 respipe_close (respipe [1]);
1377
1378 create_pipe (respipe);
1379
1380 atfork_parent ();
1381}
1382
1383#define dREQ \
1384 aio_req req; \
1385 int req_pri = next_pri; \
1386 next_pri = DEFAULT_PRI + PRI_BIAS; \
1387 \
1388 if (SvOK (callback) && !SvROK (callback)) \
1389 croak ("callback must be undef or of reference type"); \
1390 \
1391 Newz (0, req, 1, aio_cb); \
1392 if (!req) \
1393 croak ("out of memory during aio_req allocation"); \
1394 \
1395 req->callback = newSVsv (callback); \
1396 req->pri = req_pri
1397
1398#define REQ_SEND \
1399 req_send (req); \
1400 \
1401 if (GIMME_V != G_VOID) \
1402 XPUSHs (req_sv (req, AIO_REQ_KLASS));
1403
1404MODULE = IO::AIO PACKAGE = IO::AIO 892MODULE = IO::AIO PACKAGE = IO::AIO
1405 893
1406PROTOTYPES: ENABLE 894PROTOTYPES: ENABLE
1407 895
1408BOOT: 896BOOT:
1409{ 897{
898 static const struct {
899 const char *name;
900 IV iv;
901 } *civ, const_iv[] = {
902# define const_niv(name, value) { # name, (IV) value },
903# define const_iv(name) { # name, (IV) name },
904# define const_eio(name) { # name, (IV) EIO_ ## name },
905
906 /* you have to re-run ./gendef0 after adding/removing any constants here */
907 /* the first block can be undef if missing */
908 const_iv (ENOSYS)
909 const_iv (EXDEV)
910 const_iv (EBADR)
911
912 /* for lseek */
913 const_iv (SEEK_DATA)
914 const_iv (SEEK_HOLE)
915
916 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
917 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
918 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
919 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
920 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
921 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
922
923 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
924 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
925 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
926 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
927 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
928
929 /* the second block will be 0 when missing */
930 const_iv (O_RDONLY)
931 const_iv (O_WRONLY)
932 const_iv (O_RDWR)
933 const_iv (O_CREAT)
934 const_iv (O_TRUNC)
935 const_iv (O_EXCL)
936 const_iv (O_APPEND)
937
938 const_iv (O_ASYNC)
939 const_iv (O_DIRECT)
940 const_iv (O_NOATIME)
941
942 const_iv (O_CLOEXEC)
943 const_iv (O_NOCTTY)
944 const_iv (O_NOFOLLOW)
945 const_iv (O_NONBLOCK)
946 const_iv (O_EXEC)
947 const_iv (O_SEARCH)
948 const_iv (O_DIRECTORY)
949 const_iv (O_DSYNC)
950 const_iv (O_RSYNC)
951 const_iv (O_SYNC)
952 const_iv (O_PATH)
953 const_iv (O_TMPFILE)
954 const_iv (O_TTY_INIT)
955
956 const_iv (S_IFIFO)
957 const_iv (S_IFCHR)
958 const_iv (S_IFBLK)
959 const_iv (S_IFLNK)
960 const_iv (S_IFREG)
961 const_iv (S_IFDIR)
962 const_iv (S_IFWHT)
963 const_iv (S_IFSOCK)
964 const_iv (S_IFMT)
965
966 const_iv (ST_RDONLY)
967 const_iv (ST_NOSUID)
968 const_iv (ST_NODEV)
969 const_iv (ST_NOEXEC)
970 const_iv (ST_SYNCHRONOUS)
971 const_iv (ST_MANDLOCK)
972 const_iv (ST_WRITE)
973 const_iv (ST_APPEND)
974 const_iv (ST_IMMUTABLE)
975 const_iv (ST_NOATIME)
976 const_iv (ST_NODIRATIME)
977 const_iv (ST_RELATIME)
978
979 const_iv (PROT_NONE)
980 const_iv (PROT_EXEC)
981 const_iv (PROT_READ)
982 const_iv (PROT_WRITE)
983
984 const_iv (MAP_PRIVATE)
985 const_iv (MAP_SHARED)
986 const_iv (MAP_FIXED)
987 const_iv (MAP_ANONYMOUS)
988
989 /* linuxish */
990 const_iv (MAP_HUGETLB)
991 const_iv (MAP_LOCKED)
992 const_iv (MAP_NORESERVE)
993 const_iv (MAP_POPULATE)
994 const_iv (MAP_NONBLOCK)
995 const_iv (MAP_GROWSDOWN)
996 const_iv (MAP_32BIT)
997 const_iv (MAP_HUGETLB)
998 const_iv (MAP_STACK)
999
1000 const_iv (FIEMAP_FLAG_SYNC)
1001 const_iv (FIEMAP_FLAG_XATTR)
1002 const_iv (FIEMAP_FLAGS_COMPAT)
1003 const_iv (FIEMAP_EXTENT_LAST)
1004 const_iv (FIEMAP_EXTENT_UNKNOWN)
1005 const_iv (FIEMAP_EXTENT_DELALLOC)
1006 const_iv (FIEMAP_EXTENT_ENCODED)
1007 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1008 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1009 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1010 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1011 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1012 const_iv (FIEMAP_EXTENT_MERGED)
1013 const_iv (FIEMAP_EXTENT_SHARED)
1014
1015 const_iv (SPLICE_F_MOVE)
1016 const_iv (SPLICE_F_NONBLOCK)
1017 const_iv (SPLICE_F_MORE)
1018 const_iv (SPLICE_F_GIFT)
1019
1020 /* these are libeio constants, and are independent of gendef0 */
1021 const_eio (SEEK_SET)
1022 const_eio (SEEK_CUR)
1023 const_eio (SEEK_END)
1024
1025 const_eio (MCL_FUTURE)
1026 const_eio (MCL_CURRENT)
1027
1028 const_eio (MS_ASYNC)
1029 const_eio (MS_INVALIDATE)
1030 const_eio (MS_SYNC)
1031
1032 const_eio (MT_MODIFY)
1033
1034 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1035 const_eio (SYNC_FILE_RANGE_WRITE)
1036 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1037
1038 const_eio (FALLOC_FL_KEEP_SIZE)
1039 const_eio (FALLOC_FL_PUNCH_HOLE)
1040 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1041 const_eio (FALLOC_FL_ZERO_RANGE)
1042
1043 const_eio (READDIR_DENTS)
1044 const_eio (READDIR_DIRS_FIRST)
1045 const_eio (READDIR_STAT_ORDER)
1046 const_eio (READDIR_FOUND_UNKNOWN)
1047
1048 const_eio (DT_UNKNOWN)
1049 const_eio (DT_FIFO)
1050 const_eio (DT_CHR)
1051 const_eio (DT_DIR)
1052 const_eio (DT_BLK)
1053 const_eio (DT_REG)
1054 const_eio (DT_LNK)
1055 const_eio (DT_SOCK)
1056 const_eio (DT_WHT)
1057 };
1058
1410 HV *stash = gv_stashpv ("IO::AIO", 1); 1059 aio_stash = gv_stashpv ("IO::AIO" , 1);
1060 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1061 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1062 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
1411 1063
1412 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 1064 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1413 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1065 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1414 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
1415 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
1416 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
1417#ifdef _WIN32
1418 X_MUTEX_CHECK (wrklock);
1419 X_MUTEX_CHECK (reslock);
1420 X_MUTEX_CHECK (reqlock);
1421 X_MUTEX_CHECK (reqwait);
1422 X_MUTEX_CHECK (preadwritelock);
1423 X_MUTEX_CHECK (readdirlock);
1424 1066
1425 X_COND_CHECK (reqwait); 1067 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1426#else
1427 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
1428 newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));
1429#endif
1430 1068
1431 create_pipe (respipe); 1069 reinit ();
1432
1433 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1434} 1070}
1435 1071
1436void 1072void
1073reinit ()
1074 PROTOTYPE:
1075
1076void
1437max_poll_reqs (int nreqs) 1077max_poll_reqs (unsigned int nreqs)
1438 PROTOTYPE: $ 1078 PROTOTYPE: $
1439 CODE: 1079 CODE:
1440 max_poll_reqs = nreqs; 1080 eio_set_max_poll_reqs (nreqs);
1441 1081
1442void 1082void
1443max_poll_time (double nseconds) 1083max_poll_time (double nseconds)
1444 PROTOTYPE: $ 1084 PROTOTYPE: $
1445 CODE: 1085 CODE:
1446 max_poll_time = nseconds * AIO_TICKS; 1086 eio_set_max_poll_time (nseconds);
1447 1087
1448void 1088void
1449min_parallel (int nthreads) 1089min_parallel (unsigned int nthreads)
1450 PROTOTYPE: $
1451
1452void
1453max_parallel (int nthreads)
1454 PROTOTYPE: $
1455
1456void
1457max_idle (int nthreads)
1458 PROTOTYPE: $ 1090 PROTOTYPE: $
1459 CODE: 1091 CODE:
1460 set_max_idle (nthreads); 1092 eio_set_min_parallel (nthreads);
1461 1093
1462int 1094void
1463max_outstanding (int maxreqs) 1095max_parallel (unsigned int nthreads)
1464 PROTOTYPE: $ 1096 PROTOTYPE: $
1465 CODE: 1097 CODE:
1466 RETVAL = max_outstanding; 1098 eio_set_max_parallel (nthreads);
1099
1100void
1101max_idle (unsigned int nthreads)
1102 PROTOTYPE: $
1103 CODE:
1104 eio_set_max_idle (nthreads);
1105
1106void
1107idle_timeout (unsigned int seconds)
1108 PROTOTYPE: $
1109 CODE:
1110 eio_set_idle_timeout (seconds);
1111
1112void
1113max_outstanding (unsigned int maxreqs)
1114 PROTOTYPE: $
1115 CODE:
1467 max_outstanding = maxreqs; 1116 max_outstanding = maxreqs;
1468 OUTPUT:
1469 RETVAL
1470 1117
1471void 1118void
1472aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1119aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1473 PROTOTYPE: $$$;$
1474 PPCODE: 1120 PPCODE:
1475{ 1121{
1476 dREQ; 1122 dREQ;
1477 1123
1124 req->type = EIO_WD_OPEN;
1125 req_set_path1 (req, pathname);
1126
1127 REQ_SEND;
1128}
1129
1130void
1131aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1132 PPCODE:
1133{
1134 dREQ;
1135
1478 req->type = REQ_OPEN; 1136 req->type = EIO_OPEN;
1479 req->sv1 = newSVsv (pathname); 1137 req_set_path1 (req, pathname);
1480 req->ptr1 = SvPVbyte_nolen (req->sv1);
1481 req->int1 = flags; 1138 req->int1 = flags;
1482 req->mode = mode; 1139 req->int2 = mode;
1483 1140
1484 REQ_SEND; 1141 REQ_SEND;
1485} 1142}
1486 1143
1487void 1144void
1488aio_close (SV *fh, SV *callback=&PL_sv_undef) 1145aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1489 PROTOTYPE: $;$
1490 ALIAS: 1146 ALIAS:
1491 aio_close = REQ_CLOSE
1492 aio_fsync = REQ_FSYNC 1147 aio_fsync = EIO_FSYNC
1493 aio_fdatasync = REQ_FDATASYNC 1148 aio_fdatasync = EIO_FDATASYNC
1149 aio_syncfs = EIO_SYNCFS
1494 PPCODE: 1150 PPCODE:
1495{ 1151{
1152 int fd = s_fileno_croak (fh, 0);
1496 dREQ; 1153 dREQ;
1497 1154
1498 req->type = ix; 1155 req->type = ix;
1499 req->sv1 = newSVsv (fh); 1156 req->sv1 = newSVsv (fh);
1500 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1157 req->int1 = fd;
1501 1158
1502 REQ_SEND (req); 1159 REQ_SEND;
1503} 1160}
1504 1161
1505void 1162void
1163aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1164 PPCODE:
1165{
1166 int fd = s_fileno_croak (fh, 0);
1167 dREQ;
1168
1169 req->type = EIO_SYNC_FILE_RANGE;
1170 req->sv1 = newSVsv (fh);
1171 req->int1 = fd;
1172 req->offs = offset;
1173 req->size = nbytes;
1174 req->int2 = flags;
1175
1176 REQ_SEND;
1177}
1178
1179void
1180aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1181 PPCODE:
1182{
1183 int fd = s_fileno_croak (fh, 0);
1184 dREQ;
1185
1186 req->type = EIO_FALLOCATE;
1187 req->sv1 = newSVsv (fh);
1188 req->int1 = fd;
1189 req->int2 = mode;
1190 req->offs = offset;
1191 req->size = len;
1192
1193 REQ_SEND;
1194}
1195
1196void
1197aio_close (SV *fh, SV *callback = &PL_sv_undef)
1198 PPCODE:
1199{
1200 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1201 int fd = s_fileno_croak (fh, 0);
1202 dREQ;
1203
1204 if (expect_false (close_fd < 0))
1205 {
1206 int pipefd [2];
1207
1208 if (
1209#ifdef _WIN32
1210 _pipe (pipefd, 1, _O_BINARY) < 0
1211#else
1212 pipe (pipefd) < 0
1213 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1214#endif
1215 || close (pipefd [1]) < 0
1216 )
1217 abort (); /*D*/
1218
1219 close_fd = pipefd [0];
1220 }
1221
1222 req->type = EIO_DUP2;
1223 req->int1 = close_fd;
1224 req->sv2 = newSVsv (fh);
1225 req->int2 = fd;
1226
1227 REQ_SEND;
1228}
1229
1230void
1231aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1232 PPCODE:
1233{
1234 int fd = s_fileno_croak (fh, 0);
1235 dREQ;
1236
1237 req->type = EIO_SEEK;
1238 req->sv1 = newSVsv (fh);
1239 req->int1 = fd;
1240 req->offs = SvVAL64 (offset);
1241 req->int2 = whence;
1242
1243 REQ_SEND;
1244}
1245
1246void
1506aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1247aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1507 ALIAS: 1248 ALIAS:
1508 aio_read = REQ_READ 1249 aio_read = EIO_READ
1509 aio_write = REQ_WRITE 1250 aio_write = EIO_WRITE
1510 PROTOTYPE: $$$$$;$
1511 PPCODE: 1251 PPCODE:
1512{ 1252{
1513 STRLEN svlen; 1253 STRLEN svlen;
1254 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
1514 char *svptr = SvPVbyte (data, svlen); 1255 char *svptr = SvPVbyte (data, svlen);
1515 UV len = SvUV (length); 1256 UV len = SvUV (length);
1516 1257
1517 SvUPGRADE (data, SVt_PV);
1518 SvPOK_on (data);
1519
1520 if (dataoffset < 0) 1258 if (dataoffset < 0)
1521 dataoffset += svlen; 1259 dataoffset += svlen;
1522 1260
1523 if (dataoffset < 0 || dataoffset > svlen) 1261 if (dataoffset < 0 || dataoffset > svlen)
1524 croak ("dataoffset outside of data scalar"); 1262 croak ("dataoffset outside of data scalar");
1525 1263
1526 if (ix == REQ_WRITE) 1264 if (ix == EIO_WRITE)
1527 { 1265 {
1528 /* write: check length and adjust. */ 1266 /* write: check length and adjust. */
1529 if (!SvOK (length) || len + dataoffset > svlen) 1267 if (!SvOK (length) || len + dataoffset > svlen)
1530 len = svlen - dataoffset; 1268 len = svlen - dataoffset;
1531 } 1269 }
1532 else 1270 else
1533 { 1271 {
1534 /* read: grow scalar as necessary */ 1272 /* read: check type and grow scalar as necessary */
1273 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1535 svptr = SvGROW (data, len + dataoffset + 1); 1274 svptr = sv_grow (data, len + dataoffset + 1);
1275 else if (SvCUR (data) < len + dataoffset)
1276 croak ("length + dataoffset outside of scalar, and cannot grow");
1536 } 1277 }
1537
1538 if (len < 0)
1539 croak ("length must not be negative");
1540 1278
1541 { 1279 {
1542 dREQ; 1280 dREQ;
1543 1281
1544 req->type = ix; 1282 req->type = ix;
1545 req->sv1 = newSVsv (fh); 1283 req->sv1 = newSVsv (fh);
1546 req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) 1284 req->int1 = fd;
1547 : IoOFP (sv_2io (fh)));
1548 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1285 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1549 req->size = len; 1286 req->size = len;
1550 req->sv2 = SvREFCNT_inc (data); 1287 req->sv2 = SvREFCNT_inc (data);
1551 req->ptr1 = (char *)svptr + dataoffset; 1288 req->ptr2 = (char *)svptr + dataoffset;
1552 req->stroffset = dataoffset; 1289 req->stroffset = dataoffset;
1553 1290
1554 if (!SvREADONLY (data)) 1291 if (!SvREADONLY (data))
1555 { 1292 {
1556 SvREADONLY_on (data); 1293 SvREADONLY_on (data);
… …
1560 REQ_SEND; 1297 REQ_SEND;
1561 } 1298 }
1562} 1299}
1563 1300
1564void 1301void
1565aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1302aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1566 PROTOTYPE: $$;$ 1303 ALIAS:
1304 aio_readlink = EIO_READLINK
1305 aio_realpath = EIO_REALPATH
1567 PPCODE: 1306 PPCODE:
1568{ 1307{
1569 SV *data;
1570 dREQ; 1308 dREQ;
1571 1309
1572 data = newSV (NAME_MAX);
1573 SvPOK_on (data);
1574
1575 req->type = REQ_READLINK; 1310 req->type = ix;
1576 req->sv1 = newSVsv (path); 1311 req_set_path1 (req, pathname);
1577 req->ptr2 = SvPVbyte_nolen (req->sv1);
1578 req->sv2 = data;
1579 req->ptr1 = SvPVbyte_nolen (data);
1580 1312
1581 REQ_SEND; 1313 REQ_SEND;
1582} 1314}
1583 1315
1584void 1316void
1585aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1317aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1586 PROTOTYPE: $$$$;$
1587 PPCODE: 1318 PPCODE:
1588{ 1319{
1320 int ifd = s_fileno_croak (in_fh , 0);
1321 int ofd = s_fileno_croak (out_fh, 1);
1589 dREQ; 1322 dREQ;
1590 1323
1591 req->type = REQ_SENDFILE; 1324 req->type = EIO_SENDFILE;
1592 req->sv1 = newSVsv (out_fh); 1325 req->sv1 = newSVsv (out_fh);
1593 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1326 req->int1 = ofd;
1594 req->sv2 = newSVsv (in_fh); 1327 req->sv2 = newSVsv (in_fh);
1595 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1328 req->int2 = ifd;
1596 req->offs = SvVAL64 (in_offset); 1329 req->offs = in_offset;
1597 req->size = length; 1330 req->size = length;
1598 1331
1599 REQ_SEND; 1332 REQ_SEND;
1600} 1333}
1601 1334
1602void 1335void
1603aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1336aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1604 PROTOTYPE: $$$;$
1605 PPCODE: 1337 PPCODE:
1606{ 1338{
1339 int fd = s_fileno_croak (fh, 0);
1607 dREQ; 1340 dREQ;
1608 1341
1609 req->type = REQ_READAHEAD; 1342 req->type = EIO_READAHEAD;
1610 req->sv1 = newSVsv (fh); 1343 req->sv1 = newSVsv (fh);
1611 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1344 req->int1 = fd;
1612 req->offs = SvVAL64 (offset); 1345 req->offs = offset;
1613 req->size = length; 1346 req->size = length;
1614 1347
1615 REQ_SEND; 1348 REQ_SEND;
1616} 1349}
1617 1350
1618void 1351void
1619aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1352aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1620 ALIAS: 1353 ALIAS:
1621 aio_stat = REQ_STAT 1354 aio_stat = EIO_STAT
1622 aio_lstat = REQ_LSTAT 1355 aio_lstat = EIO_LSTAT
1356 aio_statvfs = EIO_STATVFS
1623 PPCODE: 1357 PPCODE:
1624{ 1358{
1625 dREQ; 1359 dREQ;
1626 1360
1627 req->ptr2 = malloc (sizeof (Stat_t)); 1361 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1628 if (!req->ptr2)
1629 {
1630 req_destroy (req);
1631 croak ("out of memory during aio_stat statdata allocation");
1632 }
1633
1634 req->flags |= FLAG_PTR2_FREE;
1635 req->sv1 = newSVsv (fh_or_path);
1636
1637 if (SvPOK (fh_or_path))
1638 {
1639 req->type = ix;
1640 req->ptr1 = SvPVbyte_nolen (req->sv1);
1641 }
1642 else
1643 {
1644 req->type = REQ_FSTAT;
1645 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1646 }
1647 1362
1648 REQ_SEND; 1363 REQ_SEND;
1649} 1364}
1650 1365
1366UV
1367major (UV dev)
1368 ALIAS:
1369 minor = 1
1370 CODE:
1371 RETVAL = ix ? major (dev) : minor (dev);
1372 OUTPUT:
1373 RETVAL
1374
1375UV
1376makedev (UV maj, UV min)
1377 CODE:
1378 RETVAL = makedev (maj, min);
1379 OUTPUT:
1380 RETVAL
1381
1651void 1382void
1652aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1383aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1653 PPCODE: 1384 PPCODE:
1654{ 1385{
1655 dREQ; 1386 dREQ;
1656 1387
1657 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1388 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1658 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1389 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1659 req->sv1 = newSVsv (fh_or_path); 1390 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1660
1661 if (SvPOK (fh_or_path))
1662 {
1663 req->type = REQ_UTIME;
1664 req->ptr1 = SvPVbyte_nolen (req->sv1);
1665 }
1666 else
1667 {
1668 req->type = REQ_FUTIME;
1669 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1670 }
1671 1391
1672 REQ_SEND; 1392 REQ_SEND;
1673} 1393}
1674 1394
1675void 1395void
1676aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1396aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1677 PPCODE: 1397 PPCODE:
1678{ 1398{
1679 dREQ; 1399 dREQ;
1680 1400
1681 req->sv1 = newSVsv (fh_or_path);
1682 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1401 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1683 1402 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1684 if (SvPOK (fh_or_path))
1685 {
1686 req->type = REQ_TRUNCATE;
1687 req->ptr1 = SvPVbyte_nolen (req->sv1);
1688 }
1689 else
1690 {
1691 req->type = REQ_FTRUNCATE;
1692 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1693 }
1694 1403
1695 REQ_SEND; 1404 REQ_SEND;
1696} 1405}
1697 1406
1698void 1407void
1699aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1408aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1700 PPCODE: 1409 PPCODE:
1701{ 1410{
1702 dREQ; 1411 dREQ;
1703 1412
1704 req->mode = mode; 1413 req->int2 = mode;
1705 req->sv1 = newSVsv (fh_or_path); 1414 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1706
1707 if (SvPOK (fh_or_path))
1708 {
1709 req->type = REQ_CHMOD;
1710 req->ptr1 = SvPVbyte_nolen (req->sv1);
1711 }
1712 else
1713 {
1714 req->type = REQ_FCHMOD;
1715 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1716 }
1717 1415
1718 REQ_SEND; 1416 REQ_SEND;
1719} 1417}
1720 1418
1721void 1419void
1722aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1420aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1723 PPCODE: 1421 PPCODE:
1724{ 1422{
1725 dREQ; 1423 dREQ;
1726 1424
1727 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1425 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1728 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1426 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1729 req->sv1 = newSVsv (fh_or_path); 1427 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1730
1731 if (SvPOK (fh_or_path))
1732 {
1733 req->type = REQ_CHOWN;
1734 req->ptr1 = SvPVbyte_nolen (req->sv1);
1735 }
1736 else
1737 {
1738 req->type = REQ_FCHOWN;
1739 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1740 }
1741 1428
1742 REQ_SEND; 1429 REQ_SEND;
1743} 1430}
1744 1431
1745void 1432void
1433aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1434 PPCODE:
1435{
1436 dREQ;
1437
1438 req->type = EIO_READDIR;
1439 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1440
1441 if (flags & EIO_READDIR_DENTS)
1442 req->int1 |= EIO_READDIR_CUSTOM2;
1443
1444 req_set_path1 (req, pathname);
1445
1446 REQ_SEND;
1447}
1448
1449void
1450aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1451 PPCODE:
1452{
1453 dREQ;
1454
1455 req->type = EIO_MKDIR;
1456 req->int2 = mode;
1457 req_set_path1 (req, pathname);
1458
1459 REQ_SEND;
1460}
1461
1462void
1746aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1463aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1747 ALIAS: 1464 ALIAS:
1748 aio_unlink = REQ_UNLINK 1465 aio_unlink = EIO_UNLINK
1749 aio_rmdir = REQ_RMDIR 1466 aio_rmdir = EIO_RMDIR
1750 aio_readdir = REQ_READDIR 1467 aio_readdir = EIO_READDIR
1751 PPCODE: 1468 PPCODE:
1752{ 1469{
1753 dREQ; 1470 dREQ;
1754 1471
1755 req->type = ix; 1472 req->type = ix;
1756 req->sv1 = newSVsv (pathname); 1473 req_set_path1 (req, pathname);
1757 req->ptr1 = SvPVbyte_nolen (req->sv1);
1758 1474
1759 REQ_SEND; 1475 REQ_SEND;
1760} 1476}
1761 1477
1762void 1478void
1763aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1479aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1480 ALIAS:
1481 aio_link = EIO_LINK
1482 aio_symlink = EIO_SYMLINK
1483 aio_rename = EIO_RENAME
1764 PPCODE: 1484 PPCODE:
1765{ 1485{
1766 dREQ; 1486 eio_wd wd2 = 0;
1767
1768 req->type = REQ_MKDIR;
1769 req->sv1 = newSVsv (pathname);
1770 req->ptr1 = SvPVbyte_nolen (req->sv1);
1771 req->mode = mode;
1772
1773 REQ_SEND;
1774}
1775
1776void
1777aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)
1778 ALIAS:
1779 aio_link = REQ_LINK
1780 aio_symlink = REQ_SYMLINK
1781 aio_rename = REQ_RENAME
1782 PPCODE:
1783{
1784 dREQ; 1487 dREQ;
1785 1488
1786 req->type = ix; 1489 req->type = ix;
1787 req->sv2 = newSVsv (oldpath); 1490 req_set_path1 (req, oldpath);
1788 req->ptr2 = SvPVbyte_nolen (req->sv2); 1491 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1789 req->sv1 = newSVsv (newpath); 1492 req->int3 = (long)wd2;
1790 req->ptr1 = SvPVbyte_nolen (req->sv1);
1791 1493
1792 REQ_SEND; 1494 REQ_SEND;
1793} 1495}
1794 1496
1795void 1497void
1796aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1498aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1797 PPCODE: 1499 PPCODE:
1798{ 1500{
1799 dREQ; 1501 dREQ;
1800 1502
1801 req->type = REQ_MKNOD; 1503 req->type = EIO_MKNOD;
1802 req->sv1 = newSVsv (pathname);
1803 req->ptr1 = SvPVbyte_nolen (req->sv1);
1804 req->mode = (mode_t)mode; 1504 req->int2 = (mode_t)mode;
1805 req->offs = dev; 1505 req->offs = dev;
1506 req_set_path1 (req, pathname);
1806 1507
1807 REQ_SEND; 1508 REQ_SEND;
1808} 1509}
1809 1510
1810void 1511void
1512aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1513 ALIAS:
1514 aio_mtouch = EIO_MTOUCH
1515 aio_msync = EIO_MSYNC
1516 PPCODE:
1517{
1518 STRLEN svlen;
1519 char *svptr = SvPVbyte (data, svlen);
1520 UV len = SvUV (length);
1521
1522 if (offset < 0)
1523 offset += svlen;
1524
1525 if (offset < 0 || offset > svlen)
1526 croak ("offset outside of scalar");
1527
1528 if (!SvOK (length) || len + offset > svlen)
1529 len = svlen - offset;
1530
1531 {
1532 dREQ;
1533
1534 req->type = ix;
1535 req->sv2 = SvREFCNT_inc (data);
1536 req->ptr2 = (char *)svptr + offset;
1537 req->size = len;
1538 req->int1 = flags;
1539
1540 REQ_SEND;
1541 }
1542}
1543
1544void
1545aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1546 PPCODE:
1547{
1548 STRLEN svlen;
1549 char *svptr = SvPVbyte (data, svlen);
1550 UV len = SvUV (length);
1551
1552 if (offset < 0)
1553 offset += svlen;
1554
1555 if (offset < 0 || offset > svlen)
1556 croak ("offset outside of scalar");
1557
1558 if (!SvOK (length) || len + offset > svlen)
1559 len = svlen - offset;
1560
1561 {
1562 dREQ;
1563
1564 req->type = EIO_MLOCK;
1565 req->sv2 = SvREFCNT_inc (data);
1566 req->ptr2 = (char *)svptr + offset;
1567 req->size = len;
1568
1569 REQ_SEND;
1570 }
1571}
1572
1573void
1574aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1575 PPCODE:
1576{
1577 dREQ;
1578
1579 req->type = EIO_MLOCKALL;
1580 req->int1 = flags;
1581
1582 REQ_SEND;
1583}
1584
1585void
1586aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1587 PPCODE:
1588{
1589 int fd = s_fileno_croak (fh, 0);
1590 dREQ;
1591
1592 req->type = EIO_CUSTOM;
1593 req->sv1 = newSVsv (fh);
1594 req->int1 = fd;
1595
1596 req->feed = fiemap;
1597#if HAVE_FIEMAP
1598 /* keep our fingers crossed that the next two types are 64 bit */
1599 req->offs = start;
1600 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1601 req->int2 = flags;
1602 req->int3 = SvOK (count) ? SvIV (count) : -1;
1603#endif
1604
1605 REQ_SEND;
1606}
1607
1608void
1811aio_busy (double delay, SV *callback=&PL_sv_undef) 1609aio_busy (double delay, SV *callback = &PL_sv_undef)
1812 PPCODE: 1610 PPCODE:
1813{ 1611{
1814 dREQ; 1612 dREQ;
1815 1613
1816 req->type = REQ_BUSY; 1614 req->type = EIO_BUSY;
1817 req->nv1 = delay < 0. ? 0. : delay; 1615 req->nv1 = delay < 0. ? 0. : delay;
1818 1616
1819 REQ_SEND; 1617 REQ_SEND;
1820} 1618}
1821 1619
1822void 1620void
1823aio_group (SV *callback=&PL_sv_undef) 1621aio_group (SV *callback = &PL_sv_undef)
1824 PROTOTYPE: ;$
1825 PPCODE: 1622 PPCODE:
1826{ 1623{
1827 dREQ; 1624 dREQ;
1828 1625
1829 req->type = REQ_GROUP; 1626 req->type = EIO_GROUP;
1830 1627
1628 PUTBACK;
1831 req_send (req); 1629 req_submit (req);
1630 SPAGAIN;
1631
1832 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1632 XPUSHs (req_sv (req, aio_grp_stash));
1833} 1633}
1834 1634
1835void 1635void
1836aio_nop (SV *callback=&PL_sv_undef) 1636aio_nop (SV *callback = &PL_sv_undef)
1637 ALIAS:
1638 aio_nop = EIO_NOP
1639 aio_sync = EIO_SYNC
1837 PPCODE: 1640 PPCODE:
1838{ 1641{
1839 dREQ; 1642 dREQ;
1840 1643
1841 req->type = REQ_NOP; 1644 req->type = ix;
1842 1645
1843 REQ_SEND; 1646 REQ_SEND;
1844} 1647}
1845 1648
1846int 1649int
1847aioreq_pri (int pri = 0) 1650aioreq_pri (int pri = NO_INIT)
1848 PROTOTYPE: ;$
1849 CODE: 1651 CODE:
1850 RETVAL = next_pri - PRI_BIAS; 1652 RETVAL = next_pri;
1851 if (items > 0) 1653 if (items > 0)
1852 { 1654 {
1853 if (pri < PRI_MIN) pri = PRI_MIN; 1655 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1854 if (pri > PRI_MAX) pri = PRI_MAX; 1656 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
1855 next_pri = pri + PRI_BIAS; 1657 next_pri = pri;
1856 } 1658 }
1857 OUTPUT: 1659 OUTPUT:
1858 RETVAL 1660 RETVAL
1859 1661
1860void 1662void
1861aioreq_nice (int nice = 0) 1663aioreq_nice (int nice = 0)
1862 CODE: 1664 CODE:
1863 nice = next_pri - nice; 1665 nice = next_pri - nice;
1864 if (nice < PRI_MIN) nice = PRI_MIN; 1666 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
1865 if (nice > PRI_MAX) nice = PRI_MAX; 1667 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1866 next_pri = nice + PRI_BIAS; 1668 next_pri = nice;
1867 1669
1868void 1670void
1869flush () 1671flush ()
1870 PROTOTYPE:
1871 CODE: 1672 CODE:
1872 while (nreqs) 1673 while (eio_nreqs ())
1873 { 1674 {
1874 poll_wait (); 1675 poll_wait ();
1875 poll_cb (); 1676 poll_cb ();
1876 } 1677 }
1877 1678
1878int 1679int
1879poll() 1680poll ()
1880 PROTOTYPE:
1881 CODE: 1681 CODE:
1882 poll_wait (); 1682 poll_wait ();
1883 RETVAL = poll_cb (); 1683 RETVAL = poll_cb ();
1884 OUTPUT: 1684 OUTPUT:
1885 RETVAL 1685 RETVAL
1886 1686
1887int 1687int
1888poll_fileno() 1688poll_fileno ()
1889 PROTOTYPE:
1890 CODE: 1689 CODE:
1891 RETVAL = respipe [0]; 1690 RETVAL = s_epipe_fd (&respipe);
1892 OUTPUT: 1691 OUTPUT:
1893 RETVAL 1692 RETVAL
1894 1693
1895int 1694int
1896poll_cb(...) 1695poll_cb (...)
1897 PROTOTYPE: 1696 PROTOTYPE:
1898 CODE: 1697 CODE:
1899 RETVAL = poll_cb (); 1698 RETVAL = poll_cb ();
1900 OUTPUT: 1699 OUTPUT:
1901 RETVAL 1700 RETVAL
1902 1701
1903void 1702void
1904poll_wait() 1703poll_wait ()
1905 PROTOTYPE:
1906 CODE: 1704 CODE:
1907 poll_wait (); 1705 poll_wait ();
1908 1706
1909void
1910setsig (int signum = SIGIO)
1911 PROTOTYPE: ;$
1912 CODE:
1913{
1914 if (block_sig_level)
1915 croak ("cannot call IO::AIO::setsig from within aio_block/callback");
1916
1917 X_LOCK (reslock);
1918 main_tid = pthread_self ();
1919 main_sig = signum;
1920 X_UNLOCK (reslock);
1921
1922 if (main_sig && npending)
1923 pthread_kill (main_tid, main_sig);
1924}
1925
1926void
1927aio_block (SV *cb)
1928 PROTOTYPE: &
1929 PPCODE:
1930{
1931 int count;
1932
1933 block_sig ();
1934 PUSHMARK (SP);
1935 PUTBACK;
1936 count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL);
1937 SPAGAIN;
1938 unblock_sig ();
1939
1940 if (SvTRUE (ERRSV))
1941 croak (0);
1942
1943 XSRETURN (count);
1944}
1945
1946int 1707int
1947nreqs() 1708nreqs ()
1948 PROTOTYPE:
1949 CODE: 1709 CODE:
1950 RETVAL = nreqs; 1710 RETVAL = eio_nreqs ();
1951 OUTPUT: 1711 OUTPUT:
1952 RETVAL 1712 RETVAL
1953 1713
1954int 1714int
1955nready() 1715nready ()
1956 PROTOTYPE:
1957 CODE: 1716 CODE:
1958 RETVAL = get_nready (); 1717 RETVAL = eio_nready ();
1959 OUTPUT: 1718 OUTPUT:
1960 RETVAL 1719 RETVAL
1961 1720
1962int 1721int
1963npending() 1722npending ()
1964 PROTOTYPE:
1965 CODE: 1723 CODE:
1966 RETVAL = get_npending (); 1724 RETVAL = eio_npending ();
1967 OUTPUT: 1725 OUTPUT:
1968 RETVAL 1726 RETVAL
1969 1727
1970int 1728int
1971nthreads() 1729nthreads ()
1972 PROTOTYPE:
1973 CODE: 1730 CODE:
1974 if (WORDACCESS_UNSAFE) X_LOCK (wrklock); 1731 RETVAL = eio_nthreads ();
1975 RETVAL = started;
1976 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1977 OUTPUT: 1732 OUTPUT:
1978 RETVAL 1733 RETVAL
1979 1734
1735int
1736fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1737 CODE:
1738 RETVAL = posix_fadvise (fh, offset, length, advice);
1739 OUTPUT:
1740 RETVAL
1741
1742IV
1743sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1744 CODE:
1745 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1746 OUTPUT:
1747 RETVAL
1748
1749void
1750mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1751 PPCODE:
1752 sv_unmagic (scalar, MMAP_MAGIC);
1753{
1754 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1755 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1756 if (addr == (void *)-1)
1757 XSRETURN_NO;
1758
1759 sv_force_normal (scalar);
1760
1761 /* we store the length in mg_obj, as namlen is I32 :/ */
1762 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1763 ->mg_obj = (SV *)length;
1764
1765 SvUPGRADE (scalar, SVt_PV); /* nop... */
1766
1767 if (!(prot & PROT_WRITE))
1768 SvREADONLY_on (scalar);
1769
1770 if (SvLEN (scalar))
1771 Safefree (SvPVX (scalar));
1772
1773 SvPVX (scalar) = (char *)addr;
1774 SvCUR_set (scalar, length);
1775 SvLEN_set (scalar, 0);
1776 SvPOK_only (scalar);
1777
1778 XSRETURN_YES;
1779}
1780
1781void
1782munmap (SV *scalar)
1783 CODE:
1784 sv_unmagic (scalar, MMAP_MAGIC);
1785
1786int
1787madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1788 ALIAS:
1789 mprotect = 1
1790 CODE:
1791{
1792 STRLEN svlen;
1793 void *addr = SvPVbyte (scalar, svlen);
1794 STRLEN len = SvUV (length);
1795
1796 if (offset < 0)
1797 offset += svlen;
1798
1799 if (offset < 0 || offset > svlen)
1800 croak ("offset outside of scalar");
1801
1802 if (!SvOK (length) || len + offset > svlen)
1803 len = svlen - offset;
1804
1805 addr = (void *)(((intptr_t)addr) + offset);
1806 eio_page_align (&addr, &len);
1807
1808 switch (ix)
1809 {
1810 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1811 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1812 }
1813}
1814 OUTPUT:
1815 RETVAL
1816
1817int
1818munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1819 CODE:
1820{
1821 STRLEN svlen;
1822 void *addr = SvPVbyte (scalar, svlen);
1823 size_t len = SvUV (length);
1824
1825 if (offset < 0)
1826 offset += svlen;
1827
1828 if (offset < 0 || offset > svlen)
1829 croak ("offset outside of scalar");
1830
1831 if (!SvOK (length) || len + offset > svlen)
1832 len = svlen - offset;
1833
1834 addr = (void *)(((intptr_t)addr) + offset);
1835 eio_page_align (&addr, &len);
1836#if _POSIX_MEMLOCK_RANGE
1837 RETVAL = munlock (addr, len);
1838#else
1839 RETVAL = EIO_ENOSYS ();
1840#endif
1841}
1842 OUTPUT:
1843 RETVAL
1844
1845int
1846munlockall ()
1847 CODE:
1848#if _POSIX_MEMLOCK
1849 munlockall ();
1850#else
1851 RETVAL = EIO_ENOSYS ();
1852#endif
1853 OUTPUT:
1854 RETVAL
1855
1856int
1857splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1858 CODE:
1859{
1860#if HAVE_LINUX_SPLICE
1861 loff_t off_in_, off_out_;
1862 RETVAL = splice (
1863 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1864 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1865 length, flags
1866 );
1867#else
1868 RETVAL = EIO_ENOSYS ();
1869#endif
1870}
1871 OUTPUT:
1872 RETVAL
1873
1874int
1875tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1876 CODE:
1877#if HAVE_LINUX_SPLICE
1878 RETVAL = tee (rfh, wfh, length, flags);
1879#else
1880 RETVAL = EIO_ENOSYS ();
1881#endif
1882 OUTPUT:
1883 RETVAL
1884
1885int
1886pipesize (aio_rfd rfh, int new_size = -1)
1887 PROTOTYPE: $;$
1888 CODE:
1889#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1890 if (new_size >= 0)
1891 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1892 else
1893 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1894#else
1895 errno = ENOSYS;
1896 RETVAL = -1;
1897#endif
1898 OUTPUT:
1899 RETVAL
1900
1901void
1902pipe2 (int flags = 0)
1903 PROTOTYPE: ;$
1904 PPCODE:
1905{
1906 int fd[2];
1907 int res;
1908
1909 if (flags)
1910#if HAVE_PIPE2
1911 res = pipe2 (fd, flags);
1912#else
1913 res = (errno = ENOSYS, -1);
1914#endif
1915 else
1916 res = pipe (fd);
1917
1918 if (!res)
1919 {
1920 EXTEND (SP, 2);
1921 PUSHs (newmortalFH (fd[0], O_RDONLY));
1922 PUSHs (newmortalFH (fd[1], O_WRONLY));
1923 }
1924}
1925
1926void _on_next_submit (SV *cb)
1927 CODE:
1928 SvREFCNT_dec (on_next_submit);
1929 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1930
1980PROTOTYPES: DISABLE 1931PROTOTYPES: DISABLE
1932
1933MODULE = IO::AIO PACKAGE = IO::AIO::WD
1934
1935BOOT:
1936{
1937 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1938 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1939}
1940
1941void
1942DESTROY (SV *self)
1943 CODE:
1944{
1945 aio_wd wd = SvAIO_WD (self);
1946#if HAVE_AT
1947 {
1948 SV *callback = &PL_sv_undef;
1949 dREQ; /* clobbers next_pri :/ */
1950 next_pri = req->pri; /* restore next_pri */
1951 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1952 req->type = EIO_WD_CLOSE;
1953 req->wd = wd;
1954 REQ_SEND;
1955 }
1956#else
1957 eio_wd_close_sync (wd);
1958#endif
1959}
1981 1960
1982MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1961MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1983 1962
1984void 1963void
1985cancel (aio_req_ornot req) 1964cancel (aio_req_ornot req)
1986 CODE: 1965 CODE:
1987 req_cancel (req); 1966 eio_cancel (req);
1988 1967
1989void 1968void
1990cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 1969cb (aio_req_ornot req, SV *callback = NO_INIT)
1991 CODE: 1970 PPCODE:
1971{
1972 if (GIMME_V != G_VOID)
1973 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1974
1975 if (items > 1)
1976 {
1977 SV *cb_cv = get_cb (callback);
1978
1992 SvREFCNT_dec (req->callback); 1979 SvREFCNT_dec (req->callback);
1993 req->callback = newSVsv (callback); 1980 req->callback = SvREFCNT_inc (cb_cv);
1981 }
1982}
1994 1983
1995MODULE = IO::AIO PACKAGE = IO::AIO::GRP 1984MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1996 1985
1997void 1986void
1998add (aio_req grp, ...) 1987add (aio_req grp, ...)
1999 PPCODE: 1988 PPCODE:
2000{ 1989{
2001 int i; 1990 int i;
2002 aio_req req;
2003
2004 if (main_sig && !block_sig_level)
2005 croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use");
2006 1991
2007 if (grp->int1 == 2) 1992 if (grp->int1 == 2)
2008 croak ("cannot add requests to IO::AIO::GRP after the group finished"); 1993 croak ("cannot add requests to IO::AIO::GRP after the group finished");
2009 1994
2010 for (i = 1; i < items; ++i ) 1995 for (i = 1; i < items; ++i )
2011 { 1996 {
1997 aio_req req;
1998
2012 if (GIMME_V != G_VOID) 1999 if (GIMME_V != G_VOID)
2013 XPUSHs (sv_2mortal (newSVsv (ST (i)))); 2000 XPUSHs (sv_2mortal (newSVsv (ST (i))));
2014 2001
2015 req = SvAIO_REQ (ST (i)); 2002 req = SvAIO_REQ (ST (i));
2016 2003
2017 if (req) 2004 if (req)
2018 { 2005 eio_grp_add (grp, req);
2019 ++grp->size;
2020 req->grp = grp;
2021
2022 req->grp_prev = 0;
2023 req->grp_next = grp->grp_first;
2024
2025 if (grp->grp_first)
2026 grp->grp_first->grp_prev = req;
2027
2028 grp->grp_first = req;
2029 }
2030 } 2006 }
2031} 2007}
2032 2008
2033void 2009void
2034cancel_subs (aio_req_ornot req) 2010cancel_subs (aio_req_ornot req)
… …
2043 AV *av; 2019 AV *av;
2044 2020
2045 grp->errorno = errno; 2021 grp->errorno = errno;
2046 2022
2047 av = newAV (); 2023 av = newAV ();
2024 av_extend (av, items - 1);
2048 2025
2049 for (i = 1; i < items; ++i ) 2026 for (i = 1; i < items; ++i )
2050 av_push (av, newSVsv (ST (i))); 2027 av_push (av, newSVsv (ST (i)));
2051 2028
2052 SvREFCNT_dec (grp->sv1); 2029 SvREFCNT_dec (grp->sv1);
… …
2059 grp->errorno = errorno; 2036 grp->errorno = errorno;
2060 2037
2061void 2038void
2062limit (aio_req grp, int limit) 2039limit (aio_req grp, int limit)
2063 CODE: 2040 CODE:
2064 grp->int2 = limit; 2041 eio_grp_limit (grp, limit);
2065 aio_grp_feed (grp);
2066 2042
2067void 2043void
2068feed (aio_req grp, SV *callback=&PL_sv_undef) 2044feed (aio_req grp, SV *callback = &PL_sv_undef)
2069 CODE: 2045 CODE:
2070{ 2046{
2071 SvREFCNT_dec (grp->sv2); 2047 SvREFCNT_dec (grp->sv2);
2072 grp->sv2 = newSVsv (callback); 2048 grp->sv2 = newSVsv (callback);
2049 grp->feed = aio_grp_feed;
2073 2050
2074 if (grp->int2 <= 0) 2051 if (grp->int2 <= 0)
2075 grp->int2 = 2; 2052 grp->int2 = 2;
2076 2053
2077 aio_grp_feed (grp); 2054 eio_grp_limit (grp, grp->int2);
2078} 2055}
2079 2056

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