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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.213 by root, Tue Apr 10 05:01:33 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	int count = req->int3;
		171
		172	/* heuristic: first try with 64 extents if we don't know how many, */
		173	/* as most files have (hopefully) fewer than this many extents */
		174	/* in fact, most should have <= 2, so maybe the 72 below is probably overkill */
		175	if (count < 0)
		176	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
		177
		178	for (;;)
		179	{
		180	struct fiemap fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) * count);
		181	errno = ENOMEM;
		182	if (!fiemap)
		183	return;
		184
		185	req->ptr1 = fiemap;
		186	req->flags \|= EIO_FLAG_PTR1_FREE;
		187
		188	fiemap->fm_start = req->offs;
		189	fiemap->fm_length = req->size;
		190	fiemap->fm_flags = req->int2;
		191	fiemap->fm_extent_count = count;
		192
		193	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		194	return;
		195
		196	if (req->int3 >= 0)
		197	break; /* when not autosizing we are done */
		198
		199	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		200	break; /* autosizing successful, we are done */
		201
		202	fiemap->fm_flags = req->int2;
		203	fiemap->fm_extent_count = 0;
		204
		205	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		206	return;
		207
		208	count = fiemap->fm_mapped_extents;
		209
		210	free (fiemap);
		211	}
		212
		213	req->result = 0;
		214
		215	#else
		216	errno = ENOSYS;
		217	#endif
		218	}
		219
		220	/*****************************************************************************/
328		221
329	enum {	222	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	223	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	224	};
332		225
333	typedef eio_req *aio_req;	226	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	227	typedef eio_req *aio_req_ornot;
335	typedef eio_wd *aio_wd;	228	typedef eio_wd aio_wd;
336		229
337	static SV *on_next_submit;	230	static SV *on_next_submit;
338	static int next_pri = EIO_PRI_DEFAULT;	231	static int next_pri = EIO_PRI_DEFAULT;
339	static int max_outstanding;	232	static int max_outstanding;
340		233
341	static s_epipe respipe;	234	static s_epipe respipe;
342		235
343	static void req_destroy (aio_req req);	236	static void req_destroy (aio_req req);
344	static void req_cancel (aio_req req);	237	static void req_cancel (aio_req req);
345		238
346	static void want_poll (void)	239	static void
		240	want_poll (void)
347	{	241	{
348	/* write a dummy byte to the pipe so fh becomes ready */	242	/* write a dummy byte to the pipe so fh becomes ready */
349	s_epipe_signal (&respipe);	243	s_epipe_signal (&respipe);
350	}	244	}
351		245
352	static void done_poll (void)	246	static void
		247	done_poll (void)
353	{	248	{
354	/* read any signals sent by the worker threads */	249	/* read any signals sent by the worker threads */
355	s_epipe_drain (&respipe);	250	s_epipe_drain (&respipe);
356	}	251	}
357		252
358	/* must be called at most once */	253	/* must be called at most once */
		254	static SV *
359	static SV req_sv (aio_req req, HV stash)	255	req_sv (aio_req req, HV *stash)
360	{	256	{
361	if (!req->self)	257	if (!req->self)
362	{	258	{
363	req->self = (SV *)newHV ();	259	req->self = (SV *)newHV ();
364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	260	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
365	}	261	}
366		262
367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	263	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
368	}	264	}
369		265
370	static aio_req SvAIO_REQ (SV *sv)	266	static SV *
		267	newSVaio_wd (aio_wd wd)
		268	{
		269	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		270	}
		271
		272	static aio_req
		273	SvAIO_REQ (SV *sv)
371	{	274	{
372	MAGIC *mg;	275	MAGIC *mg;
373		276
374	if (!SvROK (sv)	277	if (!SvROK (sv)
		278	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
375	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	279	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
376	&& SvSTASH (SvRV (sv)) != aio_req_stash	280	&& SvSTASH (SvRV (sv)) != aio_req_stash
377	&& !sv_derived_from (sv, "IO::AIO::REQ")))	281	&& !sv_derived_from (sv, "IO::AIO::REQ")))
378	croak ("object of class IO::AIO::REQ expected");	282	croak ("object of class IO::AIO::REQ expected");
379		283
380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
381		285
382	return mg ? (aio_req)mg->mg_ptr : 0;	286	return mg ? (aio_req)mg->mg_ptr : 0;
383	}	287	}
384		288
385	static aio_wd SvAIO_WD (SV *sv)	289	static aio_wd
		290	SvAIO_WD (SV *sv)
386	{	291	{
387	if (!SvROK (sv)	292	if (!SvROK (sv)
		293	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
388	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash	294	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
389	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG)
390	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	295	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
391		296
392	return (aio_wd)(long)SvIVX (SvRV (sv));	297	return (aio_wd)(long)SvIVX (SvRV (sv));
393	}	298	}
394		299
		300	static void
395	static void aio_grp_feed (aio_req grp)	301	aio_grp_feed (aio_req grp)
396	{	302	{
397	if (grp->sv2 && SvOK (grp->sv2))	303	if (grp->sv2 && SvOK (grp->sv2))
398	{	304	{
399	dSP;	305	dSP;
400		306
…		…
408	FREETMPS;	314	FREETMPS;
409	LEAVE;	315	LEAVE;
410	}	316	}
411	}	317	}
412		318
		319	static void
413	static void req_submit (eio_req *req)	320	req_submit (eio_req *req)
414	{	321	{
415	eio_submit (req);	322	eio_submit (req);
416		323
417	if (expect_false (on_next_submit))	324	if (expect_false (on_next_submit))
418	{	325	{
…		…
425	PUTBACK;	332	PUTBACK;
426	call_sv (cb, G_DISCARD \| G_EVAL);	333	call_sv (cb, G_DISCARD \| G_EVAL);
427	}	334	}
428	}	335	}
429		336
		337	static int
430	static int req_invoke (eio_req *req)	338	req_invoke (eio_req *req)
431	{	339	{
432	if (req->flags & FLAG_SV2_RO_OFF)	340	if (req->flags & FLAG_SV2_RO_OFF)
433	SvREADONLY_off (req->sv2);	341	SvREADONLY_off (req->sv2);
434		342
435	if (!EIO_CANCELLED (req) && req->callback)	343	if (!EIO_CANCELLED (req) && req->callback)
…		…
457	}	365	}
458		366
459	switch (req->type)	367	switch (req->type)
460	{	368	{
461	case EIO_WD_OPEN:	369	case EIO_WD_OPEN:
462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));	370	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
463	break;	371	break;
464		372
465	case EIO_READDIR:	373	case EIO_READDIR:
466	{	374	{
467	SV *rv = &PL_sv_undef;	375	SV *rv = &PL_sv_undef;
…		…
611	break;	519	break;
612		520
613	case EIO_STAT:	521	case EIO_STAT:
614	case EIO_LSTAT:	522	case EIO_LSTAT:
615	case EIO_FSTAT:	523	case EIO_FSTAT:
616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	524	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		525
617	PL_laststatval = req->result;	526	if (!(PL_laststatval = req->result))
618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	527	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
619	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	528	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
		529
620	PUSHs (sv_result);	530	PUSHs (sv_result);
		531	break;
		532
		533	case EIO_SEEK:
		534	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
621	break;	535	break;
622		536
623	case EIO_READ:	537	case EIO_READ:
624	{	538	{
625	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	539	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
628	SvSETMAGIC (req->sv2);	542	SvSETMAGIC (req->sv2);
629	PUSHs (sv_result);	543	PUSHs (sv_result);
630	}	544	}
631	break;	545	break;
632		546
		547	case EIO_CUSTOM:
		548	if (req->feed == fiemap)
		549	{
		550	#if HAVE_FIEMAP
		551	if (!req->result)
		552	{
		553	struct fiemap fiemap = (struct fiemap )req->ptr1;
		554
		555	if (fiemap->fm_extent_count)
		556	{
		557	AV *av = newAV ();
		558	int i;
		559
		560	while (fiemap->fm_mapped_extents)
		561	{
		562	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		563	AV *ext_av = newAV ();
		564
		565	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		566	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		567	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		568	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		569
		570	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		571	}
		572
		573	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		574	}
		575	else
		576	{
		577	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		578	PUSHs (sv_result);
		579	}
		580	}
		581	#endif
		582	}
		583	else
		584	PUSHs (sv_result);
		585	break;
		586
633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	587	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
634	if (req->result > 0)	588	if (req->result > 0)
635	SvIV_set (sv_result, 0);	589	SvIV_set (sv_result, 0);
636	/* FALLTHROUGH */	590	/* FALLTHROUGH */
637		591
…		…
658	}	612	}
659		613
660	return !!SvTRUE (ERRSV);	614	return !!SvTRUE (ERRSV);
661	}	615	}
662		616
		617	static void
663	static void req_destroy (aio_req req)	618	req_destroy (aio_req req)
664	{	619	{
665	if (req->self)	620	if (req->self)
666	{	621	{
667	sv_unmagic (req->self, PERL_MAGIC_ext);	622	sv_unmagic (req->self, PERL_MAGIC_ext);
668	SvREFCNT_dec (req->self);	623	SvREFCNT_dec (req->self);
…		…
672	SvREFCNT_dec (req->sv2);	627	SvREFCNT_dec (req->sv2);
673	SvREFCNT_dec (req->sv3);	628	SvREFCNT_dec (req->sv3);
674	SvREFCNT_dec (req->sv4);	629	SvREFCNT_dec (req->sv4);
675	SvREFCNT_dec (req->callback);	630	SvREFCNT_dec (req->callback);
676		631
677	Safefree (req);	632	free (req);
678	}	633	}
679		634
		635	static void
680	static void req_cancel_subs (aio_req grp)	636	req_cancel_subs (aio_req grp)
681	{	637	{
682	if (grp->type != EIO_GROUP)	638	if (grp->type != EIO_GROUP)
683	return;	639	return;
684		640
685	SvREFCNT_dec (grp->sv2);	641	SvREFCNT_dec (grp->sv2);
686	grp->sv2 = 0;	642	grp->sv2 = 0;
687		643
688	eio_grp_cancel (grp);	644	eio_grp_cancel (grp);
689	}	645	}
690		646
		647	static void ecb_cold
691	static void create_respipe (void)	648	create_respipe (void)
692	{	649	{
693	if (s_epipe_renew (&respipe))	650	if (s_epipe_renew (&respipe))
694	croak ("IO::AIO: unable to initialize result pipe");	651	croak ("IO::AIO: unable to initialize result pipe");
695	}	652	}
696		653
697	static void poll_wait (void)	654	static void
		655	poll_wait (void)
698	{	656	{
699	while (eio_nreqs ())	657	while (eio_nreqs ())
700	{	658	{
701	int size;	659	int size;
702		660
…		…
711		669
712	s_epipe_wait (&respipe);	670	s_epipe_wait (&respipe);
713	}	671	}
714	}	672	}
715		673
716	static int poll_cb (void)	674	static int
		675	poll_cb (void)
717	{	676	{
718	for (;;)	677	for (;;)
719	{	678	{
720	int res = eio_poll ();	679	int res = eio_poll ();
721		680
…		…
739	}	698	}
740		699
741	/*****************************************************************************/	700	/*****************************************************************************/
742		701
743	#if !_POSIX_MAPPED_FILES	702	#if !_POSIX_MAPPED_FILES
744	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	703	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
745	# define munmap(addr,length) (errno = ENOSYS, -1)	704	# define munmap(addr,length) EIO_ENOSYS ()
746	#endif	705	#endif
747		706
748	#if !_POSIX_MEMORY_PROTECTION	707	#if !_POSIX_MEMORY_PROTECTION
749	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	708	# define mprotect(addr,len,prot) EIO_ENOSYS ()
750	# define PROT_NONE 0	709	# define PROT_NONE 0
751	# define PROT_WRITE 0	710	# define PROT_WRITE 0
752	# define MAP_PRIVATE 0	711	# define MAP_PRIVATE 0
753	# define MAP_SHARED 0	712	# define MAP_SHARED 0
754	# define MAP_FIXED 0	713	# define MAP_FIXED 0
755	#endif	714	#endif
756		715
757	#define MMAP_MAGIC PERL_MAGIC_ext	716	#define MMAP_MAGIC PERL_MAGIC_ext
758		717
		718	static int ecb_cold
759	static int mmap_free (pTHX_ SV sv, MAGIC mg)	719	mmap_free (pTHX_ SV sv, MAGIC mg)
760	{	720	{
761	int old_errno = errno;	721	int old_errno = errno;
762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	722	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
763	errno = old_errno;	723	errno = old_errno;
764		724
…		…
780	0, 0, 0, 0, mmap_free	740	0, 0, 0, 0, mmap_free
781	};	741	};
782		742
783	/*****************************************************************************/	743	/*****************************************************************************/
784		744
		745	static SV *
785	static SV * get_cb (SV *cb_sv)	746	get_cb (SV *cb_sv)
786	{	747	{
787	SvGETMAGIC (cb_sv);	748	SvGETMAGIC (cb_sv);
788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	749	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
789	}	750	}
790		751
		752	static aio_req ecb_noinline
		753	dreq (SV *callback)
		754	{
		755	SV *cb_cv;
		756	aio_req req;
		757	int req_pri = next_pri;
		758	next_pri = EIO_PRI_DEFAULT;
		759
		760	cb_cv = get_cb (callback);
		761
		762	req = calloc (sizeof (*req), 1);
		763	if (!req)
		764	croak ("out of memory during eio_req allocation");
		765
		766	req->callback = SvREFCNT_inc (cb_cv);
		767	req->pri = req_pri;
		768
		769	return req;
		770	}
		771
791	#define dREQ \	772	#define dREQ \
792	SV *cb_cv; \	773	aio_req req = dreq (callback); \
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	Newz (0, req, 1, eio_req); \
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		774
806	#define REQ_SEND \	775	#define REQ_SEND \
807	PUTBACK; \	776	PUTBACK; \
808	req_submit (req); \	777	req_submit (req); \
809	SPAGAIN; \	778	SPAGAIN; \
810	\	779	\
811	if (GIMME_V != G_VOID) \	780	if (GIMME_V != G_VOID) \
812	XPUSHs (req_sv (req, aio_req_stash));	781	XPUSHs (req_sv (req, aio_req_stash));
813		782
814	static void	783	ecb_inline void
815	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	784	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
816	{	785	{
817	if (SvROK (path))	786	if (expect_false (SvROK (path)))
818	{	787	{
819	AV av = (AV )SvRV (path);	788	SV *rv = SvRV (path);
820	SV *wdob;	789	SV *wdob;
821		790
822	if (SvTYPE (av) != SVt_PVAV \|\| AvFILLp (av) != 1)	791	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");	792	{
824
825	path = AvARRAY (av)[1];	793	path = AvARRAY (rv)[1];
826	wdob = AvARRAY (av)[0];	794	wdob = AvARRAY (rv)[0];
827		795
		796	if (SvOK (wdob))
		797	{
828	*wd = SvAIO_WD (wdob);	798	*wd = SvAIO_WD (wdob);
829	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	799	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		800	}
		801	else
		802	*wd = EIO_INVALID_WD;
		803	}
		804	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		805	{
		806	*wd = (aio_wd)(long)SvIVX (rv);
		807	*wdsv = SvREFCNT_inc_NN (rv);
		808	*ptr = ".";
		809	return; /* path set to "." */
		810	}
		811	else
		812	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
830	}	813	}
831		814
832	*pathsv = newSVsv (path);	815	*pathsv = newSVsv (path);
833	ptr = SvPVbyte_nolen (pathsv);	816	ptr = SvPVbyte_nolen (pathsv);
834	}	817	}
835		818
836	static void	819	static void ecb_noinline
837	req_set_path1 (aio_req req, SV *path)	820	req_set_path1 (aio_req req, SV *path)
838	{	821	{
839	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	822	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
840	}	823	}
841		824
842	static void	825	static void ecb_noinline
843	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	826	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
844	{	827	{
845	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	828	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
846		829
847	switch (SvTYPE (rv))	830	switch (SvTYPE (rv))
…		…
857	default:	840	default:
858	req->type = type_path;	841	req->type = type_path;
859	req_set_path1 (req, fh_or_path);	842	req_set_path1 (req, fh_or_path);
860	break;	843	break;
861	}	844	}
862
863	}	845	}
		846
		847	XS(boot_IO__AIO) ecb_cold;
864		848
865	MODULE = IO::AIO PACKAGE = IO::AIO	849	MODULE = IO::AIO PACKAGE = IO::AIO
866		850
867	PROTOTYPES: ENABLE	851	PROTOTYPES: ENABLE
868		852
…		…
873	IV iv;	857	IV iv;
874	} *civ, const_iv[] = {	858	} *civ, const_iv[] = {
875	# define const_niv(name, value) { # name, (IV) value },	859	# define const_niv(name, value) { # name, (IV) value },
876	# define const_iv(name) { # name, (IV) name },	860	# define const_iv(name) { # name, (IV) name },
877	# define const_eio(name) { # name, (IV) EIO_ ## name },	861	# define const_eio(name) { # name, (IV) EIO_ ## name },
		862
		863	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		864
		865	const_iv (ENOSYS)
878	const_iv (EXDEV)	866	const_iv (EXDEV)
879	const_iv (ENOSYS)	867	const_iv (EBADR)
		868
880	const_iv (O_RDONLY)	869	const_iv (O_RDONLY)
881	const_iv (O_WRONLY)	870	const_iv (O_WRONLY)
882	const_iv (O_RDWR)	871	const_iv (O_RDWR)
883	const_iv (O_CREAT)	872	const_iv (O_CREAT)
884	const_iv (O_TRUNC)	873	const_iv (O_TRUNC)
…		…
952	const_iv (MAP_LOCKED)	941	const_iv (MAP_LOCKED)
953	const_iv (MAP_NORESERVE)	942	const_iv (MAP_NORESERVE)
954	const_iv (MAP_POPULATE)	943	const_iv (MAP_POPULATE)
955	const_iv (MAP_NONBLOCK)	944	const_iv (MAP_NONBLOCK)
956		945
		946	const_iv (FIEMAP_FLAG_SYNC)
		947	const_iv (FIEMAP_FLAG_XATTR)
		948	const_iv (FIEMAP_FLAGS_COMPAT)
		949	const_iv (FIEMAP_EXTENT_LAST)
		950	const_iv (FIEMAP_EXTENT_UNKNOWN)
		951	const_iv (FIEMAP_EXTENT_DELALLOC)
		952	const_iv (FIEMAP_EXTENT_ENCODED)
		953	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		954	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		955	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		956	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		957	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		958	const_iv (FIEMAP_EXTENT_MERGED)
		959	const_iv (FIEMAP_EXTENT_SHARED)
		960
		961	const_iv (SPLICE_F_MOVE)
		962	const_iv (SPLICE_F_NONBLOCK)
		963	const_iv (SPLICE_F_MORE)
		964	const_iv (SPLICE_F_GIFT)
		965
		966	const_iv (SEEK_DATA)
		967	const_iv (SEEK_HOLE)
		968
		969	/* libeio constants */
		970	const_eio (SEEK_SET)
		971	const_eio (SEEK_CUR)
		972	const_eio (SEEK_END)
		973
957	const_eio (MCL_FUTURE)	974	const_eio (MCL_FUTURE)
958	const_eio (MCL_CURRENT)	975	const_eio (MCL_CURRENT)
959		976
960	const_eio (MS_ASYNC)	977	const_eio (MS_ASYNC)
961	const_eio (MS_INVALIDATE)	978	const_eio (MS_INVALIDATE)
…		…
1083		1100
1084	req->type = ix;	1101	req->type = ix;
1085	req->sv1 = newSVsv (fh);	1102	req->sv1 = newSVsv (fh);
1086	req->int1 = fd;	1103	req->int1 = fd;
1087		1104
1088	REQ_SEND (req);	1105	REQ_SEND;
1089	}	1106	}
1090		1107
1091	void	1108	void
1092	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1109	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
1093	PPCODE:	1110	PPCODE:
…		…
1100	req->int1 = fd;	1117	req->int1 = fd;
1101	req->offs = offset;	1118	req->offs = offset;
1102	req->size = nbytes;	1119	req->size = nbytes;
1103	req->int2 = flags;	1120	req->int2 = flags;
1104		1121
1105	REQ_SEND (req);	1122	REQ_SEND;
1106	}	1123	}
1107		1124
1108	void	1125	void
1109	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1126	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
1110	PPCODE:	1127	PPCODE:
…		…
1117	req->int1 = fd;	1134	req->int1 = fd;
1118	req->int2 = mode;	1135	req->int2 = mode;
1119	req->offs = offset;	1136	req->offs = offset;
1120	req->size = len;	1137	req->size = len;
1121		1138
1122	REQ_SEND (req);	1139	REQ_SEND;
1123	}	1140	}
1124		1141
1125	void	1142	void
1126	aio_close (SV fh, SV callback=&PL_sv_undef)	1143	aio_close (SV fh, SV callback=&PL_sv_undef)
1127	PPCODE:	1144	PPCODE:
…		…
1151	req->type = EIO_DUP2;	1168	req->type = EIO_DUP2;
1152	req->int1 = close_fd;	1169	req->int1 = close_fd;
1153	req->sv2 = newSVsv (fh);	1170	req->sv2 = newSVsv (fh);
1154	req->int2 = fd;	1171	req->int2 = fd;
1155		1172
1156	REQ_SEND (req);	1173	REQ_SEND;
		1174	}
		1175
		1176	void
		1177	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)
		1178	PPCODE:
		1179	{
		1180	int fd = s_fileno_croak (fh, 0);
		1181	dREQ;
		1182
		1183	req->type = EIO_SEEK;
		1184	req->sv1 = newSVsv (fh);
		1185	req->int1 = fd;
		1186	req->offs = SvVAL64 (offset);
		1187	req->int2 = whence;
		1188
		1189	REQ_SEND;
1157	}	1190	}
1158		1191
1159	void	1192	void
1160	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1193	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1161	ALIAS:	1194	ALIAS:
…		…
1267	aio_statvfs = EIO_STATVFS	1300	aio_statvfs = EIO_STATVFS
1268	PPCODE:	1301	PPCODE:
1269	{	1302	{
1270	dREQ;	1303	dREQ;
1271		1304
1272	req->sv1 = newSVsv (fh_or_path);
1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1305	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1306
1274	REQ_SEND;	1307	REQ_SEND;
1275	}	1308	}
1276		1309
1277	UV	1310	UV
1278	major (UV dev)	1311	major (UV dev)
…		…
1315	REQ_SEND;	1348	REQ_SEND;
1316	}	1349	}
1317		1350
1318	void	1351	void
1319	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1352	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
1320	ALIAS:
1321	aio_chmod = EIO_CHMOD
1322	aio_mkdir = EIO_MKDIR
1323	PPCODE:	1353	PPCODE:
1324	{	1354	{
1325	dREQ;	1355	dREQ;
1326		1356
1327	req->int2 = mode;	1357	req->int2 = mode;
…		…
1348	PPCODE:	1378	PPCODE:
1349	{	1379	{
1350	dREQ;	1380	dREQ;
1351		1381
1352	req->type = EIO_READDIR;	1382	req->type = EIO_READDIR;
1353	req->sv1 = newSVsv (pathname);
1354	req->ptr1 = SvPVbyte_nolen (req->sv1);
1355	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;	1383	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
1356		1384
1357	if (flags & EIO_READDIR_DENTS)	1385	if (flags & EIO_READDIR_DENTS)
1358	req->int1 \|= EIO_READDIR_CUSTOM2;	1386	req->int1 \|= EIO_READDIR_CUSTOM2;
1359		1387
		1388	req_set_path1 (req, pathname);
		1389
1360	REQ_SEND;	1390	REQ_SEND;
		1391	}
		1392
		1393	void
		1394	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)
		1395	PPCODE:
		1396	{
		1397	dREQ;
		1398
		1399	req->type = EIO_MKDIR;
		1400	req->int2 = mode;
		1401	req_set_path1 (req, pathname);
		1402
		1403	REQ_SEND;
1361	}	1404	}
1362		1405
1363	void	1406	void
1364	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1407	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
1365	ALIAS:	1408	ALIAS:
…		…
1382	aio_link = EIO_LINK	1425	aio_link = EIO_LINK
1383	aio_symlink = EIO_SYMLINK	1426	aio_symlink = EIO_SYMLINK
1384	aio_rename = EIO_RENAME	1427	aio_rename = EIO_RENAME
1385	PPCODE:	1428	PPCODE:
1386	{	1429	{
		1430	eio_wd wd2 = 0;
1387	dREQ;	1431	dREQ;
1388	eio_wd wd2;
1389		1432
1390	req->type = ix;	1433	req->type = ix;
1391	req_set_path1 (req, oldpath);	1434	req_set_path1 (req, oldpath);
1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1435	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1393	req->int3 = (long)wd2;	1436	req->int3 = (long)wd2;
…		…
1479		1522
1480	req->type = EIO_MLOCKALL;	1523	req->type = EIO_MLOCKALL;
1481	req->int1 = flags;	1524	req->int1 = flags;
1482		1525
1483	REQ_SEND;	1526	REQ_SEND;
		1527	}
		1528
		1529	void
		1530	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)
		1531	PPCODE:
		1532	{
		1533	int fd = s_fileno_croak (fh, 0);
		1534	dREQ;
		1535
		1536	req->type = EIO_CUSTOM;
		1537	req->sv1 = newSVsv (fh);
		1538	req->int1 = fd;
		1539
		1540	req->feed = fiemap;
		1541	#if HAVE_FIEMAP
		1542	/* keep our fingers crossed that the next two types are 64 bit */
		1543	req->offs = start;
		1544	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1545	req->int2 = flags;
		1546	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1547	#endif
		1548
		1549	REQ_SEND;
1484	}	1550	}
1485		1551
1486	void	1552	void
1487	aio_busy (double delay, SV *callback=&PL_sv_undef)	1553	aio_busy (double delay, SV *callback=&PL_sv_undef)
1488	PPCODE:	1554	PPCODE:
…		…
1709	addr = (void *)(((intptr_t)addr) + offset);	1775	addr = (void *)(((intptr_t)addr) + offset);
1710	eio_page_align (&addr, &len);	1776	eio_page_align (&addr, &len);
1711	#if _POSIX_MEMLOCK_RANGE	1777	#if _POSIX_MEMLOCK_RANGE
1712	RETVAL = munlock (addr, len);	1778	RETVAL = munlock (addr, len);
1713	#else	1779	#else
1714	RETVAL = ((errno = ENOSYS), -1);	1780	RETVAL = EIO_ENOSYS ();
1715	#endif	1781	#endif
1716	}	1782	}
1717	OUTPUT:	1783	OUTPUT:
1718	RETVAL	1784	RETVAL
1719		1785
…		…
1721	munlockall ()	1787	munlockall ()
1722	CODE:	1788	CODE:
1723	#if _POSIX_MEMLOCK	1789	#if _POSIX_MEMLOCK
1724	munlockall ();	1790	munlockall ();
1725	#else	1791	#else
1726	RETVAL = -1;	1792	RETVAL = EIO_ENOSYS ();
1727	errno = ENOSYS;
1728	#endif	1793	#endif
1729	OUTPUT:	1794	OUTPUT:
		1795	RETVAL
		1796
		1797	int
		1798	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		1799	CODE:
		1800	{
		1801	#if HAVE_LINUX_SPLICE
		1802	loff_t off_in_, off_out_;
		1803	RETVAL = splice (
		1804	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1805	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1806	length, flags
		1807	);
		1808	#else
		1809	RETVAL = EIO_ENOSYS ();
		1810	#endif
		1811	}
		1812	OUTPUT:
		1813	RETVAL
		1814
		1815	int
		1816	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1817	CODE:
		1818	#if HAVE_LINUX_SPLICE
		1819	RETVAL = tee (rfh, wfh, length, flags);
		1820	#else
		1821	RETVAL = EIO_ENOSYS ();
		1822	#endif
		1823	OUTPUT:
1730	RETVAL	1824	RETVAL
1731		1825
1732	void _on_next_submit (SV *cb)	1826	void _on_next_submit (SV *cb)
1733	CODE:	1827	CODE:
1734	SvREFCNT_dec (on_next_submit);	1828	SvREFCNT_dec (on_next_submit);
…		…
1736		1830
1737	PROTOTYPES: DISABLE	1831	PROTOTYPES: DISABLE
1738		1832
1739	MODULE = IO::AIO PACKAGE = IO::AIO::WD	1833	MODULE = IO::AIO PACKAGE = IO::AIO::WD
1740		1834
		1835	BOOT:
		1836	{
		1837	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1838	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1839	}
		1840
1741	void	1841	void
1742	DESTROY (SV *self)	1842	DESTROY (SV *self)
1743	CODE:	1843	CODE:
1744	{	1844	{
1745	aio_wd wd = SvAIO_WD (self);	1845	aio_wd wd = SvAIO_WD (self);
1746	#if HAVE_AT	1846	#if HAVE_AT
		1847	{
1747	SV *callback = &PL_sv_undef;	1848	SV *callback = &PL_sv_undef;
1748	dREQ; /* clobbers next_pri :/ */	1849	dREQ; /* clobbers next_pri :/ */
		1850	next_pri = req->pri; /* restore next_pri */
		1851	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1749	req->type = EIO_WD_CLOSE;	1852	req->type = EIO_WD_CLOSE;
1750	req->wd = wd;	1853	req->wd = wd;
1751	REQ_SEND;	1854	REQ_SEND;
		1855	}
1752	#else	1856	#else
1753	eio_wd_close_sync (wd);	1857	eio_wd_close_sync (wd);
1754	#endif	1858	#endif
1755	}	1859	}
1756		1860

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs. Revision 1.213 by root, Tue Apr 10 05:01:33 2012 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.213 by root, Tue Apr 10 05:01:33 2012 UTC