[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.197 by root, Tue Sep 27 01:43:03 2011 UTC vs.
Revision 1.222 by root, Fri Aug 24 15:33:40 2012 UTC

…		…
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
19		19
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
22	#endif	31	#endif
23		32
24	/* perl namespace pollution */	33	/* perl namespace pollution */
25	#undef VERSION	34	#undef VERSION
26		35
…		…
62	#undef dup	71	#undef dup
63	#undef dup2	72	#undef dup2
64	#undef abort	73	#undef abort
65	#undef pipe	74	#undef pipe
66		75
		76	#define EIO_STRUCT_STAT struct _stati64
		77	#define EIO_STRUCT_STATI64
		78
67	#else	79	#else
68		80
69	#include <sys/time.h>	81	#include <sys/time.h>
70	#include <sys/select.h>	82	#include <sys/select.h>
71	#include <unistd.h>	83	#include <unistd.h>
72	#include <utime.h>	84	#include <utime.h>
73	#include <signal.h>	85	#include <signal.h>
74		86
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	87	#define EIO_STRUCT_STAT Stat_t
78		88
79	/* use NV for 32 bit perls as it allows larger offsets */
80	#if IVSIZE >= 8
81	# define VAL64 IV
82	# define SvVAL64 SvIV
83	# define newSVval64 newSViv
84	#else
85	# define VAL64 NV
86	# define SvVAL64 SvNV
87	# define newSVval64 newSVnv
88	#endif	89	#endif
89		90
90	/*****************************************************************************/	91	/*****************************************************************************/
91		92
92	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
123	static void req_destroy (eio_req *grp);	124	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	125	#define EIO_DESTROY(req) req_destroy (req)
125		126
126	#include "libeio/eio.c"	127	#include "libeio/eio.c"
127		128
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	131	#endif
196		132
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	135	#endif
291		136
292	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	138	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
295	# else	140	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	142	# endif
298	#endif	143	#endif
299	#ifndef MAP_HUGETLB	144
300	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	146	#include "def0.h"
302	#ifndef MAP_LOCKED
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		147
315	#ifndef makedev	148	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) \| (min))	149	# define makedev(maj,min) (((maj) << 8) \| (min))
317	#endif	150	#endif
318	#ifndef major	151	#ifndef major
…		…
323	#endif	156	#endif
324		157
325	#ifndef PAGESIZE	158	#ifndef PAGESIZE
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	160	#endif
		161
		162	/*****************************************************************************/
		163
		164	static void
		165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	/* assume some c99 */
		171	struct fiemap *fiemap = 0;
		172	size_t end_offset;
		173	int count = req->int3;
		174
		175	req->flags \|= EIO_FLAG_PTR1_FREE;
		176
		177	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		178	/* increase in 3.5kb steps */
		179	if (count < 0)
		180	count = 8;
		181
		182	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		183	errno = ENOMEM;
		184	if (!fiemap)
		185	return;
		186
		187	req->ptr1 = fiemap;
		188
		189	fiemap->fm_start = req->offs;
		190	fiemap->fm_length = req->size;
		191	fiemap->fm_flags = req->int2;
		192	fiemap->fm_extent_count = count;
		193
		194	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		195	return;
		196
		197	if (req->int3 >= 0 /* not autosizing */
		198	\|\| !fiemap->fm_mapped_extents /* no more extents */
		199	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		200	goto done;
		201
		202	/* else we have to loop -
		203	* it would be tempting (atcually I tried that first) to just query the
		204	* number of extents needed, but linux often feels like not returning all
		205	* extents, without telling us it left any out. this complicates
		206	* this quite a bit.
		207	*/
		208
		209	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		210
		211	for (;;)
		212	{
		213	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		214	char scratch[3072];
		215	struct fiemap incmap = (struct fiemap )scratch;
		216
		217	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		218	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		219	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		220	incmap->fm_flags = fiemap->fm_flags;
		221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		222
		223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap))
		224	return;
		225
		226	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		227	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		228	errno = ENOMEM;
		229	if (!fiemap)
		230	return;
		231
		232	req->ptr1 = fiemap;
		233
		234	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		235	{
		236	struct fiemap_extent *e = incmap->fm_extents + count;
		237
		238	if (e->fe_logical + e->fe_length >= end_offset)
		239	goto done;
		240
		241	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		242
		243	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		244	goto done;
		245
		246	}
		247	}
		248
		249	done:
		250	req->result = 0;
		251
		252	#else
		253	errno = ENOSYS;
		254	#endif
		255	}
		256
		257	/*****************************************************************************/
328		258
329	enum {	259	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	260	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	261	};
332		262
…		…
341	static s_epipe respipe;	271	static s_epipe respipe;
342		272
343	static void req_destroy (aio_req req);	273	static void req_destroy (aio_req req);
344	static void req_cancel (aio_req req);	274	static void req_cancel (aio_req req);
345		275
346	static void want_poll (void)	276	static void
		277	want_poll (void)
347	{	278	{
348	/* write a dummy byte to the pipe so fh becomes ready */	279	/* write a dummy byte to the pipe so fh becomes ready */
349	s_epipe_signal (&respipe);	280	s_epipe_signal (&respipe);
350	}	281	}
351		282
352	static void done_poll (void)	283	static void
		284	done_poll (void)
353	{	285	{
354	/* read any signals sent by the worker threads */	286	/* read any signals sent by the worker threads */
355	s_epipe_drain (&respipe);	287	s_epipe_drain (&respipe);
356	}	288	}
357		289
358	/* must be called at most once */	290	/* must be called at most once */
		291	static SV *
359	static SV req_sv (aio_req req, HV stash)	292	req_sv (aio_req req, HV *stash)
360	{	293	{
361	if (!req->self)	294	if (!req->self)
362	{	295	{
363	req->self = (SV *)newHV ();	296	req->self = (SV *)newHV ();
364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	297	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
…		…
368	}	301	}
369		302
370	static SV *	303	static SV *
371	newSVaio_wd (aio_wd wd)	304	newSVaio_wd (aio_wd wd)
372	{	305	{
373	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);	306	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
374	}	307	}
375		308
376	static aio_req SvAIO_REQ (SV *sv)	309	static aio_req
		310	SvAIO_REQ (SV *sv)
377	{	311	{
378	MAGIC *mg;	312	MAGIC *mg;
379		313
380	if (!SvROK (sv)	314	if (!SvROK (sv)
		315	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
381	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	316	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
382	&& SvSTASH (SvRV (sv)) != aio_req_stash	317	&& SvSTASH (SvRV (sv)) != aio_req_stash
383	&& !sv_derived_from (sv, "IO::AIO::REQ")))	318	&& !sv_derived_from (sv, "IO::AIO::REQ")))
384	croak ("object of class IO::AIO::REQ expected");	319	croak ("object of class IO::AIO::REQ expected");
385		320
386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	321	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
387		322
388	return mg ? (aio_req)mg->mg_ptr : 0;	323	return mg ? (aio_req)mg->mg_ptr : 0;
389	}	324	}
390		325
391	static aio_wd SvAIO_WD (SV *sv)	326	static aio_wd
		327	SvAIO_WD (SV *sv)
392	{	328	{
393	if (!SvROK (sv)	329	if (!SvROK (sv)
		330	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
394	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash	331	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
395	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG)
396	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	332	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
397		333
398	return (aio_wd)(long)SvIVX (SvRV (sv));	334	return (aio_wd)(long)SvIVX (SvRV (sv));
399	}	335	}
400		336
		337	static void
401	static void aio_grp_feed (aio_req grp)	338	aio_grp_feed (aio_req grp)
402	{	339	{
403	if (grp->sv2 && SvOK (grp->sv2))	340	if (grp->sv2 && SvOK (grp->sv2))
404	{	341	{
405	dSP;	342	dSP;
406		343
…		…
414	FREETMPS;	351	FREETMPS;
415	LEAVE;	352	LEAVE;
416	}	353	}
417	}	354	}
418		355
		356	static void
419	static void req_submit (eio_req *req)	357	req_submit (eio_req *req)
420	{	358	{
421	eio_submit (req);	359	eio_submit (req);
422		360
423	if (expect_false (on_next_submit))	361	if (expect_false (on_next_submit))
424	{	362	{
…		…
431	PUTBACK;	369	PUTBACK;
432	call_sv (cb, G_DISCARD \| G_EVAL);	370	call_sv (cb, G_DISCARD \| G_EVAL);
433	}	371	}
434	}	372	}
435		373
		374	static int
436	static int req_invoke (eio_req *req)	375	req_invoke (eio_req *req)
437	{	376	{
438	if (req->flags & FLAG_SV2_RO_OFF)	377	if (req->flags & FLAG_SV2_RO_OFF)
439	SvREADONLY_off (req->sv2);	378	SvREADONLY_off (req->sv2);
440		379
441	if (!EIO_CANCELLED (req) && req->callback)	380	if (!EIO_CANCELLED (req) && req->callback)
…		…
463	}	402	}
464		403
465	switch (req->type)	404	switch (req->type)
466	{	405	{
467	case EIO_WD_OPEN:	406	case EIO_WD_OPEN:
468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));	407	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
469	break;	408	break;
470		409
471	case EIO_READDIR:	410	case EIO_READDIR:
472	{	411	{
473	SV *rv = &PL_sv_undef;	412	SV *rv = &PL_sv_undef;
…		…
626	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	565	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
627		566
628	PUSHs (sv_result);	567	PUSHs (sv_result);
629	break;	568	break;
630		569
		570	case EIO_SEEK:
		571	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
		572	break;
		573
631	case EIO_READ:	574	case EIO_READ:
632	{	575	{
633	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	576	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
634	*SvEND (req->sv2) = 0;	577	*SvEND (req->sv2) = 0;
635	SvPOK_only (req->sv2);	578	SvPOK_only (req->sv2);
636	SvSETMAGIC (req->sv2);	579	SvSETMAGIC (req->sv2);
637	PUSHs (sv_result);	580	PUSHs (sv_result);
638	}	581	}
639	break;	582	break;
640		583
		584	case EIO_CUSTOM:
		585	if (req->feed == fiemap)
		586	{
		587	#if HAVE_FIEMAP
		588	if (!req->result)
		589	{
		590	struct fiemap fiemap = (struct fiemap )req->ptr1;
		591
		592	if (fiemap->fm_extent_count)
		593	{
		594	AV *av = newAV ();
		595	int i;
		596
		597	while (fiemap->fm_mapped_extents)
		598	{
		599	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		600	AV *ext_av = newAV ();
		601
		602	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		603	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		604	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		605	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		606
		607	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		608	}
		609
		610	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		611	}
		612	else
		613	{
		614	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		615	PUSHs (sv_result);
		616	}
		617	}
		618	#endif
		619	}
		620	else
		621	PUSHs (sv_result);
		622	break;
		623
641	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	624	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
642	if (req->result > 0)	625	if (req->result > 0)
643	SvIV_set (sv_result, 0);	626	SvIV_set (sv_result, 0);
644	/* FALLTHROUGH */	627	/* FALLTHROUGH */
645		628
…		…
666	}	649	}
667		650
668	return !!SvTRUE (ERRSV);	651	return !!SvTRUE (ERRSV);
669	}	652	}
670		653
		654	static void
671	static void req_destroy (aio_req req)	655	req_destroy (aio_req req)
672	{	656	{
673	if (req->self)	657	if (req->self)
674	{	658	{
675	sv_unmagic (req->self, PERL_MAGIC_ext);	659	sv_unmagic (req->self, PERL_MAGIC_ext);
676	SvREFCNT_dec (req->self);	660	SvREFCNT_dec (req->self);
…		…
680	SvREFCNT_dec (req->sv2);	664	SvREFCNT_dec (req->sv2);
681	SvREFCNT_dec (req->sv3);	665	SvREFCNT_dec (req->sv3);
682	SvREFCNT_dec (req->sv4);	666	SvREFCNT_dec (req->sv4);
683	SvREFCNT_dec (req->callback);	667	SvREFCNT_dec (req->callback);
684		668
685	Safefree (req);	669	free (req);
686	}	670	}
687		671
		672	static void
688	static void req_cancel_subs (aio_req grp)	673	req_cancel_subs (aio_req grp)
689	{	674	{
690	if (grp->type != EIO_GROUP)	675	if (grp->type != EIO_GROUP)
691	return;	676	return;
692		677
693	SvREFCNT_dec (grp->sv2);	678	SvREFCNT_dec (grp->sv2);
694	grp->sv2 = 0;	679	grp->sv2 = 0;
695		680
696	eio_grp_cancel (grp);	681	eio_grp_cancel (grp);
697	}	682	}
698		683
		684	static void ecb_cold
699	static void create_respipe (void)	685	create_respipe (void)
700	{	686	{
701	if (s_epipe_renew (&respipe))	687	if (s_epipe_renew (&respipe))
702	croak ("IO::AIO: unable to initialize result pipe");	688	croak ("IO::AIO: unable to initialize result pipe");
703	}	689	}
704		690
705	static void poll_wait (void)	691	static void
		692	poll_wait (void)
706	{	693	{
707	while (eio_nreqs ())	694	while (eio_nreqs ())
708	{	695	{
709	int size;	696	int size;
710		697
…		…
719		706
720	s_epipe_wait (&respipe);	707	s_epipe_wait (&respipe);
721	}	708	}
722	}	709	}
723		710
724	static int poll_cb (void)	711	static int
		712	poll_cb (void)
725	{	713	{
726	for (;;)	714	for (;;)
727	{	715	{
728	int res = eio_poll ();	716	int res = eio_poll ();
729		717
…		…
747	}	735	}
748		736
749	/*****************************************************************************/	737	/*****************************************************************************/
750		738
751	#if !_POSIX_MAPPED_FILES	739	#if !_POSIX_MAPPED_FILES
752	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	740	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
753	# define munmap(addr,length) (errno = ENOSYS, -1)	741	# define munmap(addr,length) EIO_ENOSYS ()
754	#endif	742	#endif
755		743
756	#if !_POSIX_MEMORY_PROTECTION	744	#if !_POSIX_MEMORY_PROTECTION
757	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	745	# define mprotect(addr,len,prot) EIO_ENOSYS ()
758	# define PROT_NONE 0	746	# define PROT_NONE 0
759	# define PROT_WRITE 0	747	# define PROT_WRITE 0
760	# define MAP_PRIVATE 0	748	# define MAP_PRIVATE 0
761	# define MAP_SHARED 0	749	# define MAP_SHARED 0
762	# define MAP_FIXED 0	750	# define MAP_FIXED 0
763	#endif	751	#endif
764		752
765	#define MMAP_MAGIC PERL_MAGIC_ext	753	#define MMAP_MAGIC PERL_MAGIC_ext
766		754
		755	static int ecb_cold
767	static int mmap_free (pTHX_ SV sv, MAGIC mg)	756	mmap_free (pTHX_ SV sv, MAGIC mg)
768	{	757	{
769	int old_errno = errno;	758	int old_errno = errno;
770	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	759	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
771	errno = old_errno;	760	errno = old_errno;
772		761
…		…
788	0, 0, 0, 0, mmap_free	777	0, 0, 0, 0, mmap_free
789	};	778	};
790		779
791	/*****************************************************************************/	780	/*****************************************************************************/
792		781
		782	static SV *
793	static SV * get_cb (SV *cb_sv)	783	get_cb (SV *cb_sv)
794	{	784	{
795	SvGETMAGIC (cb_sv);	785	SvGETMAGIC (cb_sv);
796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	786	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
797	}	787	}
798		788
		789	static aio_req ecb_noinline
		790	dreq (SV *callback)
		791	{
		792	SV *cb_cv;
		793	aio_req req;
		794	int req_pri = next_pri;
		795	next_pri = EIO_PRI_DEFAULT;
		796
		797	cb_cv = get_cb (callback);
		798
		799	req = calloc (sizeof (*req), 1);
		800	if (!req)
		801	croak ("out of memory during eio_req allocation");
		802
		803	req->callback = SvREFCNT_inc (cb_cv);
		804	req->pri = req_pri;
		805
		806	return req;
		807	}
		808
799	#define dREQ \	809	#define dREQ \
800	SV *cb_cv; \	810	aio_req req = dreq (callback); \
801	aio_req req; \
802	int req_pri = next_pri; \
803	next_pri = EIO_PRI_DEFAULT; \
804	\
805	cb_cv = get_cb (callback); \
806	\
807	Newz (0, req, 1, eio_req); \
808	if (!req) \
809	croak ("out of memory during eio_req allocation"); \
810	\
811	req->callback = SvREFCNT_inc (cb_cv); \
812	req->pri = req_pri
813		811
814	#define REQ_SEND \	812	#define REQ_SEND \
815	PUTBACK; \	813	PUTBACK; \
816	req_submit (req); \	814	req_submit (req); \
817	SPAGAIN; \	815	SPAGAIN; \
818	\	816	\
819	if (GIMME_V != G_VOID) \	817	if (GIMME_V != G_VOID) \
820	XPUSHs (req_sv (req, aio_req_stash));	818	XPUSHs (req_sv (req, aio_req_stash));
821		819
822	static void	820	ecb_inline void
823	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	821	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
824	{	822	{
825	if (SvROK (path))	823	if (expect_false (SvROK (path)))
826	{	824	{
827	AV av = (AV )SvRV (path);	825	SV *rv = SvRV (path);
828	SV *wdob;	826	SV *wdob;
829		827
830	if (SvTYPE (av) != SVt_PVAV \|\| AvFILLp (av) != 1)	828	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
831	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
832
833	path = AvARRAY (av)[1];
834	wdob = AvARRAY (av)[0];
835
836	if (SvOK (wdob))
837	{	829	{
		830	path = AvARRAY (rv)[1];
		831	wdob = AvARRAY (rv)[0];
		832
		833	if (SvOK (wdob))
		834	{
838	*wd = SvAIO_WD (wdob);	835	*wd = SvAIO_WD (wdob);
839	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	836	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		837	}
		838	else
		839	*wd = EIO_INVALID_WD;
		840	}
		841	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		842	{
		843	*wd = (aio_wd)(long)SvIVX (rv);
		844	*wdsv = SvREFCNT_inc_NN (rv);
		845	*ptr = ".";
		846	return; /* path set to "." */
840	}	847	}
841	else	848	else
842	*wd = EIO_INVALID_WD;	849	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
843	}	850	}
844		851
845	*pathsv = newSVsv (path);	852	*pathsv = newSVsv (path);
846	ptr = SvPVbyte_nolen (pathsv);	853	ptr = SvPVbyte_nolen (pathsv);
847	}	854	}
848		855
849	static void	856	static void ecb_noinline
850	req_set_path1 (aio_req req, SV *path)	857	req_set_path1 (aio_req req, SV *path)
851	{	858	{
852	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	859	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
853	}	860	}
854		861
855	static void	862	static void ecb_noinline
856	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	863	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
857	{	864	{
858	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	865	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
859		866
860	switch (SvTYPE (rv))	867	switch (SvTYPE (rv))
…		…
870	default:	877	default:
871	req->type = type_path;	878	req->type = type_path;
872	req_set_path1 (req, fh_or_path);	879	req_set_path1 (req, fh_or_path);
873	break;	880	break;
874	}	881	}
875
876	}	882	}
		883
		884	XS(boot_IO__AIO) ecb_cold;
877		885
878	MODULE = IO::AIO PACKAGE = IO::AIO	886	MODULE = IO::AIO PACKAGE = IO::AIO
879		887
880	PROTOTYPES: ENABLE	888	PROTOTYPES: ENABLE
881		889
…		…
886	IV iv;	894	IV iv;
887	} *civ, const_iv[] = {	895	} *civ, const_iv[] = {
888	# define const_niv(name, value) { # name, (IV) value },	896	# define const_niv(name, value) { # name, (IV) value },
889	# define const_iv(name) { # name, (IV) name },	897	# define const_iv(name) { # name, (IV) name },
890	# define const_eio(name) { # name, (IV) EIO_ ## name },	898	# define const_eio(name) { # name, (IV) EIO_ ## name },
		899
		900	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		901
		902	const_iv (ENOSYS)
891	const_iv (EXDEV)	903	const_iv (EXDEV)
892	const_iv (ENOSYS)	904	const_iv (EBADR)
		905
893	const_iv (O_RDONLY)	906	const_iv (O_RDONLY)
894	const_iv (O_WRONLY)	907	const_iv (O_WRONLY)
895	const_iv (O_RDWR)	908	const_iv (O_RDWR)
896	const_iv (O_CREAT)	909	const_iv (O_CREAT)
897	const_iv (O_TRUNC)	910	const_iv (O_TRUNC)
…		…
965	const_iv (MAP_LOCKED)	978	const_iv (MAP_LOCKED)
966	const_iv (MAP_NORESERVE)	979	const_iv (MAP_NORESERVE)
967	const_iv (MAP_POPULATE)	980	const_iv (MAP_POPULATE)
968	const_iv (MAP_NONBLOCK)	981	const_iv (MAP_NONBLOCK)
969		982
		983	const_iv (FIEMAP_FLAG_SYNC)
		984	const_iv (FIEMAP_FLAG_XATTR)
		985	const_iv (FIEMAP_FLAGS_COMPAT)
		986	const_iv (FIEMAP_EXTENT_LAST)
		987	const_iv (FIEMAP_EXTENT_UNKNOWN)
		988	const_iv (FIEMAP_EXTENT_DELALLOC)
		989	const_iv (FIEMAP_EXTENT_ENCODED)
		990	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		991	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		992	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		993	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		994	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		995	const_iv (FIEMAP_EXTENT_MERGED)
		996	const_iv (FIEMAP_EXTENT_SHARED)
		997
		998	const_iv (SPLICE_F_MOVE)
		999	const_iv (SPLICE_F_NONBLOCK)
		1000	const_iv (SPLICE_F_MORE)
		1001	const_iv (SPLICE_F_GIFT)
		1002
		1003	const_iv (SEEK_DATA)
		1004	const_iv (SEEK_HOLE)
		1005
		1006	/* libeio constants */
		1007	const_eio (SEEK_SET)
		1008	const_eio (SEEK_CUR)
		1009	const_eio (SEEK_END)
		1010
970	const_eio (MCL_FUTURE)	1011	const_eio (MCL_FUTURE)
971	const_eio (MCL_CURRENT)	1012	const_eio (MCL_CURRENT)
972		1013
973	const_eio (MS_ASYNC)	1014	const_eio (MS_ASYNC)
974	const_eio (MS_INVALIDATE)	1015	const_eio (MS_INVALIDATE)
…		…
979	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1020	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
980	const_eio (SYNC_FILE_RANGE_WRITE)	1021	const_eio (SYNC_FILE_RANGE_WRITE)
981	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1022	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
982		1023
983	const_eio (FALLOC_FL_KEEP_SIZE)	1024	const_eio (FALLOC_FL_KEEP_SIZE)
		1025	const_eio (FALLOC_FL_PUNCH_HOLE)
984		1026
985	const_eio (READDIR_DENTS)	1027	const_eio (READDIR_DENTS)
986	const_eio (READDIR_DIRS_FIRST)	1028	const_eio (READDIR_DIRS_FIRST)
987	const_eio (READDIR_STAT_ORDER)	1029	const_eio (READDIR_STAT_ORDER)
988	const_eio (READDIR_FOUND_UNKNOWN)	1030	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1089	aio_fsync = EIO_FSYNC	1131	aio_fsync = EIO_FSYNC
1090	aio_fdatasync = EIO_FDATASYNC	1132	aio_fdatasync = EIO_FDATASYNC
1091	aio_syncfs = EIO_SYNCFS	1133	aio_syncfs = EIO_SYNCFS
1092	PPCODE:	1134	PPCODE:
1093	{	1135	{
1094	int fd = s_fileno_croak (fh, 0);	1136	int fd = s_fileno_croak (fh, 0);
1095	dREQ;	1137	dREQ;
1096		1138
1097	req->type = ix;	1139	req->type = ix;
1098	req->sv1 = newSVsv (fh);	1140	req->sv1 = newSVsv (fh);
1099	req->int1 = fd;	1141	req->int1 = fd;
1100		1142
1101	REQ_SEND (req);	1143	REQ_SEND;
1102	}	1144	}
1103		1145
1104	void	1146	void
1105	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1147	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
1106	PPCODE:	1148	PPCODE:
1107	{	1149	{
1108	int fd = s_fileno_croak (fh, 0);	1150	int fd = s_fileno_croak (fh, 0);
1109	dREQ;	1151	dREQ;
1110		1152
1111	req->type = EIO_SYNC_FILE_RANGE;	1153	req->type = EIO_SYNC_FILE_RANGE;
1112	req->sv1 = newSVsv (fh);	1154	req->sv1 = newSVsv (fh);
1113	req->int1 = fd;	1155	req->int1 = fd;
1114	req->offs = offset;	1156	req->offs = offset;
1115	req->size = nbytes;	1157	req->size = nbytes;
1116	req->int2 = flags;	1158	req->int2 = flags;
1117		1159
1118	REQ_SEND (req);	1160	REQ_SEND;
1119	}	1161	}
1120		1162
1121	void	1163	void
1122	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1164	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
1123	PPCODE:	1165	PPCODE:
1124	{	1166	{
1125	int fd = s_fileno_croak (fh, 0);	1167	int fd = s_fileno_croak (fh, 0);
1126	dREQ;	1168	dREQ;
1127		1169
1128	req->type = EIO_FALLOCATE;	1170	req->type = EIO_FALLOCATE;
1129	req->sv1 = newSVsv (fh);	1171	req->sv1 = newSVsv (fh);
1130	req->int1 = fd;	1172	req->int1 = fd;
1131	req->int2 = mode;	1173	req->int2 = mode;
1132	req->offs = offset;	1174	req->offs = offset;
1133	req->size = len;	1175	req->size = len;
1134		1176
1135	REQ_SEND (req);	1177	REQ_SEND;
1136	}	1178	}
1137		1179
1138	void	1180	void
1139	aio_close (SV fh, SV callback=&PL_sv_undef)	1181	aio_close (SV fh, SV callback=&PL_sv_undef)
1140	PPCODE:	1182	PPCODE:
1141	{	1183	{
1142	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1184	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1143	int fd = s_fileno_croak (fh, 0);	1185	int fd = s_fileno_croak (fh, 0);
1144	dREQ;	1186	dREQ;
1145		1187
1146	if (expect_false (close_fd < 0))	1188	if (expect_false (close_fd < 0))
1147	{	1189	{
1148	int pipefd [2];	1190	int pipefd [2];
…		…
1164	req->type = EIO_DUP2;	1206	req->type = EIO_DUP2;
1165	req->int1 = close_fd;	1207	req->int1 = close_fd;
1166	req->sv2 = newSVsv (fh);	1208	req->sv2 = newSVsv (fh);
1167	req->int2 = fd;	1209	req->int2 = fd;
1168		1210
1169	REQ_SEND (req);	1211	REQ_SEND;
		1212	}
		1213
		1214	void
		1215	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)
		1216	PPCODE:
		1217	{
		1218	int fd = s_fileno_croak (fh, 0);
		1219	dREQ;
		1220
		1221	req->type = EIO_SEEK;
		1222	req->sv1 = newSVsv (fh);
		1223	req->int1 = fd;
		1224	req->offs = SvVAL64 (offset);
		1225	req->int2 = whence;
		1226
		1227	REQ_SEND;
1170	}	1228	}
1171		1229
1172	void	1230	void
1173	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1231	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1174	ALIAS:	1232	ALIAS:
…		…
1195	}	1253	}
1196	else	1254	else
1197	{	1255	{
1198	/* read: check type and grow scalar as necessary */	1256	/* read: check type and grow scalar as necessary */
1199	SvUPGRADE (data, SVt_PV);	1257	SvUPGRADE (data, SVt_PV);
		1258	if (SvLEN (data) >= SvCUR (data))
1200	svptr = SvGROW (data, len + dataoffset + 1);	1259	svptr = SvGROW (data, len + dataoffset + 1);
		1260	else if (SvCUR (data) < len + dataoffset)
		1261	croak ("length + dataoffset outside of scalar, and cannot grow");
1201	}	1262	}
1202		1263
1203	{	1264	{
1204	dREQ;	1265	dREQ;
1205		1266
…		…
1239		1300
1240	void	1301	void
1241	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1302	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1242	PPCODE:	1303	PPCODE:
1243	{	1304	{
1244	int ifd = s_fileno_croak (in_fh , 0);	1305	int ifd = s_fileno_croak (in_fh , 0);
1245	int ofd = s_fileno_croak (out_fh, 1);	1306	int ofd = s_fileno_croak (out_fh, 1);
1246	dREQ;	1307	dREQ;
1247		1308
1248	req->type = EIO_SENDFILE;	1309	req->type = EIO_SENDFILE;
1249	req->sv1 = newSVsv (out_fh);	1310	req->sv1 = newSVsv (out_fh);
1250	req->int1 = ofd;	1311	req->int1 = ofd;
…		…
1258		1319
1259	void	1320	void
1260	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1321	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
1261	PPCODE:	1322	PPCODE:
1262	{	1323	{
1263	int fd = s_fileno_croak (fh, 0);	1324	int fd = s_fileno_croak (fh, 0);
1264	dREQ;	1325	dREQ;
1265		1326
1266	req->type = EIO_READAHEAD;	1327	req->type = EIO_READAHEAD;
1267	req->sv1 = newSVsv (fh);	1328	req->sv1 = newSVsv (fh);
1268	req->int1 = fd;	1329	req->int1 = fd;
…		…
1280	aio_statvfs = EIO_STATVFS	1341	aio_statvfs = EIO_STATVFS
1281	PPCODE:	1342	PPCODE:
1282	{	1343	{
1283	dREQ;	1344	dREQ;
1284		1345
1285	req->sv1 = newSVsv (fh_or_path);
1286	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1346	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1347
1287	REQ_SEND;	1348	REQ_SEND;
1288	}	1349	}
1289		1350
1290	UV	1351	UV
1291	major (UV dev)	1352	major (UV dev)
…		…
1328	REQ_SEND;	1389	REQ_SEND;
1329	}	1390	}
1330		1391
1331	void	1392	void
1332	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1393	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
1333	ALIAS:
1334	aio_chmod = EIO_CHMOD
1335	aio_mkdir = EIO_MKDIR
1336	PPCODE:	1394	PPCODE:
1337	{	1395	{
1338	dREQ;	1396	dREQ;
1339		1397
1340	req->int2 = mode;	1398	req->int2 = mode;
…		…
1369	req->int1 \|= EIO_READDIR_CUSTOM2;	1427	req->int1 \|= EIO_READDIR_CUSTOM2;
1370		1428
1371	req_set_path1 (req, pathname);	1429	req_set_path1 (req, pathname);
1372		1430
1373	REQ_SEND;	1431	REQ_SEND;
		1432	}
		1433
		1434	void
		1435	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)
		1436	PPCODE:
		1437	{
		1438	dREQ;
		1439
		1440	req->type = EIO_MKDIR;
		1441	req->int2 = mode;
		1442	req_set_path1 (req, pathname);
		1443
		1444	REQ_SEND;
1374	}	1445	}
1375		1446
1376	void	1447	void
1377	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1448	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
1378	ALIAS:	1449	ALIAS:
…		…
1395	aio_link = EIO_LINK	1466	aio_link = EIO_LINK
1396	aio_symlink = EIO_SYMLINK	1467	aio_symlink = EIO_SYMLINK
1397	aio_rename = EIO_RENAME	1468	aio_rename = EIO_RENAME
1398	PPCODE:	1469	PPCODE:
1399	{	1470	{
		1471	eio_wd wd2 = 0;
1400	dREQ;	1472	dREQ;
1401	eio_wd wd2;
1402		1473
1403	req->type = ix;	1474	req->type = ix;
1404	req_set_path1 (req, oldpath);	1475	req_set_path1 (req, oldpath);
1405	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1476	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1406	req->int3 = (long)wd2;	1477	req->int3 = (long)wd2;
…		…
1492		1563
1493	req->type = EIO_MLOCKALL;	1564	req->type = EIO_MLOCKALL;
1494	req->int1 = flags;	1565	req->int1 = flags;
1495		1566
1496	REQ_SEND;	1567	REQ_SEND;
		1568	}
		1569
		1570	void
		1571	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)
		1572	PPCODE:
		1573	{
		1574	int fd = s_fileno_croak (fh, 0);
		1575	dREQ;
		1576
		1577	req->type = EIO_CUSTOM;
		1578	req->sv1 = newSVsv (fh);
		1579	req->int1 = fd;
		1580
		1581	req->feed = fiemap;
		1582	#if HAVE_FIEMAP
		1583	/* keep our fingers crossed that the next two types are 64 bit */
		1584	req->offs = start;
		1585	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1586	req->int2 = flags;
		1587	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1588	#endif
		1589
		1590	REQ_SEND;
1497	}	1591	}
1498		1592
1499	void	1593	void
1500	aio_busy (double delay, SV *callback=&PL_sv_undef)	1594	aio_busy (double delay, SV *callback=&PL_sv_undef)
1501	PPCODE:	1595	PPCODE:
…		…
1633	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1727	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1634	OUTPUT:	1728	OUTPUT:
1635	RETVAL	1729	RETVAL
1636		1730
1637	void	1731	void
1638	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1732	mmap (SV scalar, size_t length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1639	PPCODE:	1733	PPCODE:
1640	sv_unmagic (scalar, MMAP_MAGIC);	1734	sv_unmagic (scalar, MMAP_MAGIC);
1641	{	1735	{
1642	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1736	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1643	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1737	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1676	ALIAS:	1770	ALIAS:
1677	mprotect = 1	1771	mprotect = 1
1678	CODE:	1772	CODE:
1679	{	1773	{
1680	STRLEN svlen;	1774	STRLEN svlen;
1681	void *addr = SvPVbyte (scalar, svlen);	1775	void *addr = SvPVbyte (scalar, svlen);
1682	size_t len = SvUV (length);	1776	size_t len = SvUV (length);
1683		1777
1684	if (offset < 0)	1778	if (offset < 0)
1685	offset += svlen;	1779	offset += svlen;
1686		1780
…		…
1705	int	1799	int
1706	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)	1800	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
1707	CODE:	1801	CODE:
1708	{	1802	{
1709	STRLEN svlen;	1803	STRLEN svlen;
1710	void *addr = SvPVbyte (scalar, svlen);	1804	void *addr = SvPVbyte (scalar, svlen);
1711	size_t len = SvUV (length);	1805	size_t len = SvUV (length);
1712		1806
1713	if (offset < 0)	1807	if (offset < 0)
1714	offset += svlen;	1808	offset += svlen;
1715		1809
…		…
1722	addr = (void *)(((intptr_t)addr) + offset);	1816	addr = (void *)(((intptr_t)addr) + offset);
1723	eio_page_align (&addr, &len);	1817	eio_page_align (&addr, &len);
1724	#if _POSIX_MEMLOCK_RANGE	1818	#if _POSIX_MEMLOCK_RANGE
1725	RETVAL = munlock (addr, len);	1819	RETVAL = munlock (addr, len);
1726	#else	1820	#else
1727	RETVAL = ((errno = ENOSYS), -1);	1821	RETVAL = EIO_ENOSYS ();
1728	#endif	1822	#endif
1729	}	1823	}
1730	OUTPUT:	1824	OUTPUT:
1731	RETVAL	1825	RETVAL
1732		1826
…		…
1734	munlockall ()	1828	munlockall ()
1735	CODE:	1829	CODE:
1736	#if _POSIX_MEMLOCK	1830	#if _POSIX_MEMLOCK
1737	munlockall ();	1831	munlockall ();
1738	#else	1832	#else
1739	RETVAL = -1;	1833	RETVAL = EIO_ENOSYS ();
1740	errno = ENOSYS;
1741	#endif	1834	#endif
1742	OUTPUT:	1835	OUTPUT:
		1836	RETVAL
		1837
		1838	int
		1839	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		1840	CODE:
		1841	{
		1842	#if HAVE_LINUX_SPLICE
		1843	loff_t off_in_, off_out_;
		1844	RETVAL = splice (
		1845	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1846	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1847	length, flags
		1848	);
		1849	#else
		1850	RETVAL = EIO_ENOSYS ();
		1851	#endif
		1852	}
		1853	OUTPUT:
		1854	RETVAL
		1855
		1856	int
		1857	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1858	CODE:
		1859	#if HAVE_LINUX_SPLICE
		1860	RETVAL = tee (rfh, wfh, length, flags);
		1861	#else
		1862	RETVAL = EIO_ENOSYS ();
		1863	#endif
		1864	OUTPUT:
1743	RETVAL	1865	RETVAL
1744		1866
1745	void _on_next_submit (SV *cb)	1867	void _on_next_submit (SV *cb)
1746	CODE:	1868	CODE:
1747	SvREFCNT_dec (on_next_submit);	1869	SvREFCNT_dec (on_next_submit);
…		…
1761	DESTROY (SV *self)	1883	DESTROY (SV *self)
1762	CODE:	1884	CODE:
1763	{	1885	{
1764	aio_wd wd = SvAIO_WD (self);	1886	aio_wd wd = SvAIO_WD (self);
1765	#if HAVE_AT	1887	#if HAVE_AT
		1888	{
1766	SV *callback = &PL_sv_undef;	1889	SV *callback = &PL_sv_undef;
1767	dREQ; /* clobbers next_pri :/ */	1890	dREQ; /* clobbers next_pri :/ */
		1891	next_pri = req->pri; /* restore next_pri */
		1892	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1768	req->type = EIO_WD_CLOSE;	1893	req->type = EIO_WD_CLOSE;
1769	req->wd = wd;	1894	req->wd = wd;
1770	REQ_SEND;	1895	REQ_SEND;
		1896	}
1771	#else	1897	#else
1772	eio_wd_close_sync (wd);	1898	eio_wd_close_sync (wd);
1773	#endif	1899	#endif
1774	}	1900	}
1775		1901

Diff Legend

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

Comparing IO-AIO/AIO.xs (file contents): Revision 1.197 by root, Tue Sep 27 01:43:03 2011 UTC vs. Revision 1.222 by root, Fri Aug 24 15:33:40 2012 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.197 by root, Tue Sep 27 01:43:03 2011 UTC vs.
Revision 1.222 by root, Fri Aug 24 15:33:40 2012 UTC