[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 1.210 by root, Fri Apr 6 11:39:25 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/fiemap.h>
		28	# define HAVE_FIEMAP 1
		29	# endif
22	#endif	30	#endif
23		31
24	/* perl namespace pollution */	32	/* perl namespace pollution */
25	#undef VERSION	33	#undef VERSION
26		34
…		…
62	#undef dup	70	#undef dup
63	#undef dup2	71	#undef dup2
64	#undef abort	72	#undef abort
65	#undef pipe	73	#undef pipe
66		74
		75	#define EIO_STRUCT_STAT struct _stati64
		76	#define EIO_STRUCT_STATI64
		77
67	#else	78	#else
68		79
69	#include <sys/time.h>	80	#include <sys/time.h>
70	#include <sys/select.h>	81	#include <sys/select.h>
71	#include <unistd.h>	82	#include <unistd.h>
72	#include <utime.h>	83	#include <utime.h>
73	#include <signal.h>	84	#include <signal.h>
74		85
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	86	#define EIO_STRUCT_STAT Stat_t
78		87
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	88	#endif
89		89
90	/*****************************************************************************/	90	/*****************************************************************************/
91		91
92	#if __GNUC__ >= 3	92	#if __GNUC__ >= 3
…		…
123	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
125		125
126	#include "libeio/eio.c"	126	#include "libeio/eio.c"
127		127
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	128	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	129	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	130	#endif
196		131
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	132	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	133	# 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	134	#endif
291		135
292	#ifndef MAP_ANONYMOUS	136	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	137	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	138	# define MAP_ANONYMOUS MAP_ANON
295	# else	139	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	140	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	141	# endif
298	#endif	142	#endif
299	#ifndef MAP_HUGETLB	143
300	# define MAP_HUGETLB 0	144	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	145	#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		146
315	#ifndef makedev	147	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) \| (min))	148	# define makedev(maj,min) (((maj) << 8) \| (min))
317	#endif	149	#endif
318	#ifndef major	150	#ifndef major
…		…
324		156
325	#ifndef PAGESIZE	157	#ifndef PAGESIZE
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	158	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	159	#endif
328		160
		161	/*****************************************************************************/
		162
		163	static void
		164	fiemap (eio_req *req)
		165	{
		166	req->result = -1;
		167
		168	#if HAVE_FIEMAP
		169	for (;;)
		170	{
		171	int count = req->int3;
		172
		173	if (count < 0)
		174	{
		175	struct fiemap fiemap;
		176
		177	fiemap.fm_start = req->offs;
		178	fiemap.fm_length = req->size;
		179	fiemap.fm_flags = req->int2;
		180	fiemap.fm_extent_count = 0;
		181
		182	if (ioctl (req->int1, FS_IOC_FIEMAP, &fiemap))
		183	return;
		184
		185	count = fiemap.fm_mapped_extents;
		186	}
		187
		188	struct fiemap fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) * count);
		189	errno = ENOMEM;
		190	if (!fiemap)
		191	return;
		192
		193	req->ptr1 = fiemap;
		194	req->flags \|= EIO_FLAG_PTR1_FREE;
		195
		196	fiemap->fm_start = req->offs;
		197	fiemap->fm_length = req->size;
		198	fiemap->fm_flags = req->int2;
		199	fiemap->fm_extent_count = count;
		200
		201	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		202	return;
		203
		204	if (req->int3 >= 0)
		205	break; /* when not autosizing we are done */
		206
		207	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		208	break; /* autosizing successful, we are done */
		209
		210	free (fiemap);
		211	}
		212
		213	req->result = 0;
		214
		215	#else
		216	errno = ENOSYS;
		217	#endif
		218	}
		219
		220	/*****************************************************************************/
		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 (!req->result)
		551	{
		552	struct fiemap fiemap = (struct fiemap )req->ptr1;
		553
		554	if (fiemap->fm_extent_count)
		555	{
		556	AV *av = newAV ();
		557	int i;
		558
		559	while (fiemap->fm_mapped_extents)
		560	{
		561	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		562	AV *ext_av = newAV ();
		563
		564	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		565	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		566	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		567	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		568
		569	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		570	}
		571
		572	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		573	}
		574	else
		575	{
		576	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		577	PUSHs (sv_result);
		578	}
		579	}
		580	}
		581	else
		582	PUSHs (sv_result);
		583	break;
		584
633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	585	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
634	if (req->result > 0)	586	if (req->result > 0)
635	SvIV_set (sv_result, 0);	587	SvIV_set (sv_result, 0);
636	/* FALLTHROUGH */	588	/* FALLTHROUGH */
637		589
…		…
658	}	610	}
659		611
660	return !!SvTRUE (ERRSV);	612	return !!SvTRUE (ERRSV);
661	}	613	}
662		614
		615	static void
663	static void req_destroy (aio_req req)	616	req_destroy (aio_req req)
664	{	617	{
665	if (req->self)	618	if (req->self)
666	{	619	{
667	sv_unmagic (req->self, PERL_MAGIC_ext);	620	sv_unmagic (req->self, PERL_MAGIC_ext);
668	SvREFCNT_dec (req->self);	621	SvREFCNT_dec (req->self);
…		…
672	SvREFCNT_dec (req->sv2);	625	SvREFCNT_dec (req->sv2);
673	SvREFCNT_dec (req->sv3);	626	SvREFCNT_dec (req->sv3);
674	SvREFCNT_dec (req->sv4);	627	SvREFCNT_dec (req->sv4);
675	SvREFCNT_dec (req->callback);	628	SvREFCNT_dec (req->callback);
676		629
677	Safefree (req);	630	free (req);
678	}	631	}
679		632
		633	static void
680	static void req_cancel_subs (aio_req grp)	634	req_cancel_subs (aio_req grp)
681	{	635	{
682	if (grp->type != EIO_GROUP)	636	if (grp->type != EIO_GROUP)
683	return;	637	return;
684		638
685	SvREFCNT_dec (grp->sv2);	639	SvREFCNT_dec (grp->sv2);
686	grp->sv2 = 0;	640	grp->sv2 = 0;
687		641
688	eio_grp_cancel (grp);	642	eio_grp_cancel (grp);
689	}	643	}
690		644
		645	static void ecb_cold
691	static void create_respipe (void)	646	create_respipe (void)
692	{	647	{
693	if (s_epipe_renew (&respipe))	648	if (s_epipe_renew (&respipe))
694	croak ("IO::AIO: unable to initialize result pipe");	649	croak ("IO::AIO: unable to initialize result pipe");
695	}	650	}
696		651
697	static void poll_wait (void)	652	static void
		653	poll_wait (void)
698	{	654	{
699	while (eio_nreqs ())	655	while (eio_nreqs ())
700	{	656	{
701	int size;	657	int size;
702		658
…		…
711		667
712	s_epipe_wait (&respipe);	668	s_epipe_wait (&respipe);
713	}	669	}
714	}	670	}
715		671
716	static int poll_cb (void)	672	static int
		673	poll_cb (void)
717	{	674	{
718	for (;;)	675	for (;;)
719	{	676	{
720	int res = eio_poll ();	677	int res = eio_poll ();
721		678
…		…
754	# define MAP_FIXED 0	711	# define MAP_FIXED 0
755	#endif	712	#endif
756		713
757	#define MMAP_MAGIC PERL_MAGIC_ext	714	#define MMAP_MAGIC PERL_MAGIC_ext
758		715
		716	static int ecb_cold
759	static int mmap_free (pTHX_ SV sv, MAGIC mg)	717	mmap_free (pTHX_ SV sv, MAGIC mg)
760	{	718	{
761	int old_errno = errno;	719	int old_errno = errno;
762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	720	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
763	errno = old_errno;	721	errno = old_errno;
764		722
…		…
780	0, 0, 0, 0, mmap_free	738	0, 0, 0, 0, mmap_free
781	};	739	};
782		740
783	/*****************************************************************************/	741	/*****************************************************************************/
784		742
		743	static SV *
785	static SV * get_cb (SV *cb_sv)	744	get_cb (SV *cb_sv)
786	{	745	{
787	SvGETMAGIC (cb_sv);	746	SvGETMAGIC (cb_sv);
788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	747	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
789	}	748	}
790		749
		750	static aio_req ecb_noinline
		751	dreq (SV *callback)
		752	{
		753	SV *cb_cv;
		754	aio_req req;
		755	int req_pri = next_pri;
		756	next_pri = EIO_PRI_DEFAULT;
		757
		758	cb_cv = get_cb (callback);
		759
		760	req = calloc (sizeof (*req), 1);
		761	if (!req)
		762	croak ("out of memory during eio_req allocation");
		763
		764	req->callback = SvREFCNT_inc (cb_cv);
		765	req->pri = req_pri;
		766
		767	return req;
		768	}
		769
791	#define dREQ \	770	#define dREQ \
792	SV *cb_cv; \	771	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		772
806	#define REQ_SEND \	773	#define REQ_SEND \
807	PUTBACK; \	774	PUTBACK; \
808	req_submit (req); \	775	req_submit (req); \
809	SPAGAIN; \	776	SPAGAIN; \
810	\	777	\
811	if (GIMME_V != G_VOID) \	778	if (GIMME_V != G_VOID) \
812	XPUSHs (req_sv (req, aio_req_stash));	779	XPUSHs (req_sv (req, aio_req_stash));
813		780
814	static void	781	ecb_inline void
815	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	782	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
816	{	783	{
817	if (SvROK (path))	784	if (expect_false (SvROK (path)))
818	{	785	{
819	AV av = (AV )SvRV (path);	786	SV *rv = SvRV (path);
820	SV *wdob;	787	SV *wdob;
821		788
822	if (SvTYPE (av) != SVt_PVAV \|\| AvFILLp (av) != 1)	789	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");	790	{
824
825	path = AvARRAY (av)[1];	791	path = AvARRAY (rv)[1];
826	wdob = AvARRAY (av)[0];	792	wdob = AvARRAY (rv)[0];
827		793
		794	if (SvOK (wdob))
		795	{
828	*wd = SvAIO_WD (wdob);	796	*wd = SvAIO_WD (wdob);
829	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	797	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		798	}
		799	else
		800	*wd = EIO_INVALID_WD;
		801	}
		802	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		803	{
		804	*wd = (aio_wd)(long)SvIVX (rv);
		805	*wdsv = SvREFCNT_inc_NN (rv);
		806	*ptr = ".";
		807	return; /* path set to "." */
		808	}
		809	else
		810	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
830	}	811	}
831		812
832	*pathsv = newSVsv (path);	813	*pathsv = newSVsv (path);
833	ptr = SvPVbyte_nolen (pathsv);	814	ptr = SvPVbyte_nolen (pathsv);
834	}	815	}
835		816
836	static void	817	static void ecb_noinline
837	req_set_path1 (aio_req req, SV *path)	818	req_set_path1 (aio_req req, SV *path)
838	{	819	{
839	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	820	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
840	}	821	}
841		822
842	static void	823	static void ecb_noinline
843	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	824	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
844	{	825	{
845	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	826	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
846		827
847	switch (SvTYPE (rv))	828	switch (SvTYPE (rv))
…		…
857	default:	838	default:
858	req->type = type_path;	839	req->type = type_path;
859	req_set_path1 (req, fh_or_path);	840	req_set_path1 (req, fh_or_path);
860	break;	841	break;
861	}	842	}
862
863	}	843	}
		844
		845	XS(boot_IO__AIO) ecb_cold;
864		846
865	MODULE = IO::AIO PACKAGE = IO::AIO	847	MODULE = IO::AIO PACKAGE = IO::AIO
866		848
867	PROTOTYPES: ENABLE	849	PROTOTYPES: ENABLE
868		850
…		…
873	IV iv;	855	IV iv;
874	} *civ, const_iv[] = {	856	} *civ, const_iv[] = {
875	# define const_niv(name, value) { # name, (IV) value },	857	# define const_niv(name, value) { # name, (IV) value },
876	# define const_iv(name) { # name, (IV) name },	858	# define const_iv(name) { # name, (IV) name },
877	# define const_eio(name) { # name, (IV) EIO_ ## name },	859	# define const_eio(name) { # name, (IV) EIO_ ## name },
		860
		861	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		862
		863	const_iv (ENOSYS)
878	const_iv (EXDEV)	864	const_iv (EXDEV)
879	const_iv (ENOSYS)	865	const_iv (EBADR)
		866
880	const_iv (O_RDONLY)	867	const_iv (O_RDONLY)
881	const_iv (O_WRONLY)	868	const_iv (O_WRONLY)
882	const_iv (O_RDWR)	869	const_iv (O_RDWR)
883	const_iv (O_CREAT)	870	const_iv (O_CREAT)
884	const_iv (O_TRUNC)	871	const_iv (O_TRUNC)
…		…
952	const_iv (MAP_LOCKED)	939	const_iv (MAP_LOCKED)
953	const_iv (MAP_NORESERVE)	940	const_iv (MAP_NORESERVE)
954	const_iv (MAP_POPULATE)	941	const_iv (MAP_POPULATE)
955	const_iv (MAP_NONBLOCK)	942	const_iv (MAP_NONBLOCK)
956		943
		944	const_iv (FIEMAP_FLAG_SYNC)
		945	const_iv (FIEMAP_FLAG_XATTR)
		946	const_iv (FIEMAP_FLAGS_COMPAT)
		947	const_iv (FIEMAP_EXTENT_LAST)
		948	const_iv (FIEMAP_EXTENT_UNKNOWN)
		949	const_iv (FIEMAP_EXTENT_DELALLOC)
		950	const_iv (FIEMAP_EXTENT_ENCODED)
		951	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		952	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		953	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		954	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		955	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		956	const_iv (FIEMAP_EXTENT_MERGED)
		957	const_iv (FIEMAP_EXTENT_SHARED)
		958
		959	const_eio (SEEK_SET)
		960	const_eio (SEEK_CUR)
		961	const_eio (SEEK_END)
		962
957	const_eio (MCL_FUTURE)	963	const_eio (MCL_FUTURE)
958	const_eio (MCL_CURRENT)	964	const_eio (MCL_CURRENT)
959		965
960	const_eio (MS_ASYNC)	966	const_eio (MS_ASYNC)
961	const_eio (MS_INVALIDATE)	967	const_eio (MS_INVALIDATE)
…		…
1083		1089
1084	req->type = ix;	1090	req->type = ix;
1085	req->sv1 = newSVsv (fh);	1091	req->sv1 = newSVsv (fh);
1086	req->int1 = fd;	1092	req->int1 = fd;
1087		1093
1088	REQ_SEND (req);	1094	REQ_SEND;
1089	}	1095	}
1090		1096
1091	void	1097	void
1092	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1098	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
1093	PPCODE:	1099	PPCODE:
…		…
1100	req->int1 = fd;	1106	req->int1 = fd;
1101	req->offs = offset;	1107	req->offs = offset;
1102	req->size = nbytes;	1108	req->size = nbytes;
1103	req->int2 = flags;	1109	req->int2 = flags;
1104		1110
1105	REQ_SEND (req);	1111	REQ_SEND;
1106	}	1112	}
1107		1113
1108	void	1114	void
1109	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1115	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
1110	PPCODE:	1116	PPCODE:
…		…
1117	req->int1 = fd;	1123	req->int1 = fd;
1118	req->int2 = mode;	1124	req->int2 = mode;
1119	req->offs = offset;	1125	req->offs = offset;
1120	req->size = len;	1126	req->size = len;
1121		1127
1122	REQ_SEND (req);	1128	REQ_SEND;
1123	}	1129	}
1124		1130
1125	void	1131	void
1126	aio_close (SV fh, SV callback=&PL_sv_undef)	1132	aio_close (SV fh, SV callback=&PL_sv_undef)
1127	PPCODE:	1133	PPCODE:
…		…
1151	req->type = EIO_DUP2;	1157	req->type = EIO_DUP2;
1152	req->int1 = close_fd;	1158	req->int1 = close_fd;
1153	req->sv2 = newSVsv (fh);	1159	req->sv2 = newSVsv (fh);
1154	req->int2 = fd;	1160	req->int2 = fd;
1155		1161
1156	REQ_SEND (req);	1162	REQ_SEND;
		1163	}
		1164
		1165	void
		1166	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)
		1167	PPCODE:
		1168	{
		1169	STRLEN svlen;
		1170	int fd = s_fileno_croak (fh, 0);
		1171	dREQ;
		1172
		1173	req->type = EIO_SEEK;
		1174	req->sv1 = newSVsv (fh);
		1175	req->int1 = fd;
		1176	req->offs = SvVAL64 (offset);
		1177	req->int2 = whence;
		1178
		1179	REQ_SEND;
1157	}	1180	}
1158		1181
1159	void	1182	void
1160	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1183	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1161	ALIAS:	1184	ALIAS:
…		…
1267	aio_statvfs = EIO_STATVFS	1290	aio_statvfs = EIO_STATVFS
1268	PPCODE:	1291	PPCODE:
1269	{	1292	{
1270	dREQ;	1293	dREQ;
1271		1294
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);	1295	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1296
1274	REQ_SEND;	1297	REQ_SEND;
1275	}	1298	}
1276		1299
1277	UV	1300	UV
1278	major (UV dev)	1301	major (UV dev)
…		…
1315	REQ_SEND;	1338	REQ_SEND;
1316	}	1339	}
1317		1340
1318	void	1341	void
1319	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1342	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:	1343	PPCODE:
1324	{	1344	{
1325	dREQ;	1345	dREQ;
1326		1346
1327	req->int2 = mode;	1347	req->int2 = mode;
…		…
1348	PPCODE:	1368	PPCODE:
1349	{	1369	{
1350	dREQ;	1370	dREQ;
1351		1371
1352	req->type = EIO_READDIR;	1372	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;	1373	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
1356		1374
1357	if (flags & EIO_READDIR_DENTS)	1375	if (flags & EIO_READDIR_DENTS)
1358	req->int1 \|= EIO_READDIR_CUSTOM2;	1376	req->int1 \|= EIO_READDIR_CUSTOM2;
1359		1377
		1378	req_set_path1 (req, pathname);
		1379
1360	REQ_SEND;	1380	REQ_SEND;
		1381	}
		1382
		1383	void
		1384	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)
		1385	PPCODE:
		1386	{
		1387	dREQ;
		1388
		1389	req->type = EIO_MKDIR;
		1390	req->int2 = mode;
		1391	req_set_path1 (req, pathname);
		1392
		1393	REQ_SEND;
1361	}	1394	}
1362		1395
1363	void	1396	void
1364	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1397	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
1365	ALIAS:	1398	ALIAS:
…		…
1382	aio_link = EIO_LINK	1415	aio_link = EIO_LINK
1383	aio_symlink = EIO_SYMLINK	1416	aio_symlink = EIO_SYMLINK
1384	aio_rename = EIO_RENAME	1417	aio_rename = EIO_RENAME
1385	PPCODE:	1418	PPCODE:
1386	{	1419	{
		1420	eio_wd wd2 = 0;
1387	dREQ;	1421	dREQ;
1388	eio_wd wd2;
1389		1422
1390	req->type = ix;	1423	req->type = ix;
1391	req_set_path1 (req, oldpath);	1424	req_set_path1 (req, oldpath);
1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1425	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1393	req->int3 = (long)wd2;	1426	req->int3 = (long)wd2;
…		…
1479		1512
1480	req->type = EIO_MLOCKALL;	1513	req->type = EIO_MLOCKALL;
1481	req->int1 = flags;	1514	req->int1 = flags;
1482		1515
1483	REQ_SEND;	1516	REQ_SEND;
		1517	}
		1518
		1519	void
		1520	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)
		1521	PPCODE:
		1522	{
		1523	int fd = s_fileno_croak (fh, 0);
		1524	dREQ;
		1525
		1526	req->type = EIO_CUSTOM;
		1527	req->sv1 = newSVsv (fh);
		1528	req->int1 = fd;
		1529
		1530	req->feed = fiemap;
		1531	/* keep our fingers crossed that the next two types are 64 bit */
		1532	req->offs = start;
		1533	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1534	req->int2 = flags;
		1535	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1536
		1537	REQ_SEND;
1484	}	1538	}
1485		1539
1486	void	1540	void
1487	aio_busy (double delay, SV *callback=&PL_sv_undef)	1541	aio_busy (double delay, SV *callback=&PL_sv_undef)
1488	PPCODE:	1542	PPCODE:
…		…
1736		1790
1737	PROTOTYPES: DISABLE	1791	PROTOTYPES: DISABLE
1738		1792
1739	MODULE = IO::AIO PACKAGE = IO::AIO::WD	1793	MODULE = IO::AIO PACKAGE = IO::AIO::WD
1740		1794
		1795	BOOT:
		1796	{
		1797	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1798	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1799	}
		1800
1741	void	1801	void
1742	DESTROY (SV *self)	1802	DESTROY (SV *self)
1743	CODE:	1803	CODE:
1744	{	1804	{
1745	aio_wd wd = SvAIO_WD (self);	1805	aio_wd wd = SvAIO_WD (self);
1746	#if HAVE_AT	1806	#if HAVE_AT
		1807	{
1747	SV *callback = &PL_sv_undef;	1808	SV *callback = &PL_sv_undef;
1748	dREQ; /* clobbers next_pri :/ */	1809	dREQ; /* clobbers next_pri :/ */
		1810	next_pri = req->pri; /* restore next_pri */
		1811	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1749	req->type = EIO_WD_CLOSE;	1812	req->type = EIO_WD_CLOSE;
1750	req->wd = wd;	1813	req->wd = wd;
1751	REQ_SEND;	1814	REQ_SEND;
		1815	}
1752	#else	1816	#else
1753	eio_wd_close_sync (wd);	1817	eio_wd_close_sync (wd);
1754	#endif	1818	#endif
1755	}	1819	}
1756		1820

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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 1.210 by root, Fri Apr 6 11:39:25 2012 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.210 by root, Fri Apr 6 11:39:25 2012 UTC