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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.196 by root, Tue Sep 27 00:41:51 2011 UTC vs.
Revision 1.224 by root, Thu Oct 11 03:20:52 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) < 0)
		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) < 0)
		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;
…		…
568	#ifndef _WIN32	507	#ifndef _WIN32
569	if (req->result >= 0)	508	if (req->result >= 0)
570	{	509	{
571	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	510	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
572	HV *hv = newHV ();	511	HV *hv = newHV ();
		512	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		513	* chooses to make it a struct.
		514	*/
		515	unsigned long fsid = 0;
		516	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
573		517
574	rv = sv_2mortal (newRV_noinc ((SV *)hv));	518	rv = sv_2mortal (newRV_noinc ((SV *)hv));
575		519
576	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	520	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
577	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	521	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
579	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	523	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
580	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	524	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
581	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	525	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
582	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	526	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
583	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	527	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
584	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	528	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
585	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	529	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
586	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	530	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
587	}	531	}
588	#endif	532	#endif
589		533
…		…
617	break;	561	break;
618		562
619	case EIO_STAT:	563	case EIO_STAT:
620	case EIO_LSTAT:	564	case EIO_LSTAT:
621	case EIO_FSTAT:	565	case EIO_FSTAT:
622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	566	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		567
623	PL_laststatval = req->result;	568	if (!(PL_laststatval = req->result))
624	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	569	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
625	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	570	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
		571
626	PUSHs (sv_result);	572	PUSHs (sv_result);
		573	break;
		574
		575	case EIO_SEEK:
		576	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
627	break;	577	break;
628		578
629	case EIO_READ:	579	case EIO_READ:
630	{	580	{
631	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	581	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
634	SvSETMAGIC (req->sv2);	584	SvSETMAGIC (req->sv2);
635	PUSHs (sv_result);	585	PUSHs (sv_result);
636	}	586	}
637	break;	587	break;
638		588
		589	case EIO_CUSTOM:
		590	if (req->feed == fiemap)
		591	{
		592	#if HAVE_FIEMAP
		593	if (!req->result)
		594	{
		595	struct fiemap fiemap = (struct fiemap )req->ptr1;
		596
		597	if (fiemap->fm_extent_count)
		598	{
		599	AV *av = newAV ();
		600	int i;
		601
		602	while (fiemap->fm_mapped_extents)
		603	{
		604	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		605	AV *ext_av = newAV ();
		606
		607	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		608	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		609	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		610	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		611
		612	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		613	}
		614
		615	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		616	}
		617	else
		618	{
		619	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		620	PUSHs (sv_result);
		621	}
		622	}
		623	#endif
		624	}
		625	else
		626	PUSHs (sv_result);
		627	break;
		628
639	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	629	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
640	if (req->result > 0)	630	if (req->result > 0)
641	SvIV_set (sv_result, 0);	631	SvIV_set (sv_result, 0);
642	/* FALLTHROUGH */	632	/* FALLTHROUGH */
643		633
…		…
664	}	654	}
665		655
666	return !!SvTRUE (ERRSV);	656	return !!SvTRUE (ERRSV);
667	}	657	}
668		658
		659	static void
669	static void req_destroy (aio_req req)	660	req_destroy (aio_req req)
670	{	661	{
671	if (req->self)	662	if (req->self)
672	{	663	{
673	sv_unmagic (req->self, PERL_MAGIC_ext);	664	sv_unmagic (req->self, PERL_MAGIC_ext);
674	SvREFCNT_dec (req->self);	665	SvREFCNT_dec (req->self);
…		…
678	SvREFCNT_dec (req->sv2);	669	SvREFCNT_dec (req->sv2);
679	SvREFCNT_dec (req->sv3);	670	SvREFCNT_dec (req->sv3);
680	SvREFCNT_dec (req->sv4);	671	SvREFCNT_dec (req->sv4);
681	SvREFCNT_dec (req->callback);	672	SvREFCNT_dec (req->callback);
682		673
683	Safefree (req);	674	free (req);
684	}	675	}
685		676
		677	static void
686	static void req_cancel_subs (aio_req grp)	678	req_cancel_subs (aio_req grp)
687	{	679	{
688	if (grp->type != EIO_GROUP)	680	if (grp->type != EIO_GROUP)
689	return;	681	return;
690		682
691	SvREFCNT_dec (grp->sv2);	683	SvREFCNT_dec (grp->sv2);
692	grp->sv2 = 0;	684	grp->sv2 = 0;
693		685
694	eio_grp_cancel (grp);	686	eio_grp_cancel (grp);
695	}	687	}
696		688
		689	static void ecb_cold
697	static void create_respipe (void)	690	create_respipe (void)
698	{	691	{
699	if (s_epipe_renew (&respipe))	692	if (s_epipe_renew (&respipe))
700	croak ("IO::AIO: unable to initialize result pipe");	693	croak ("IO::AIO: unable to initialize result pipe");
701	}	694	}
702		695
703	static void poll_wait (void)	696	static void
		697	poll_wait (void)
704	{	698	{
705	while (eio_nreqs ())	699	while (eio_nreqs ())
706	{	700	{
707	int size;	701	int size;
708		702
…		…
717		711
718	s_epipe_wait (&respipe);	712	s_epipe_wait (&respipe);
719	}	713	}
720	}	714	}
721		715
722	static int poll_cb (void)	716	static int
		717	poll_cb (void)
723	{	718	{
724	for (;;)	719	for (;;)
725	{	720	{
726	int res = eio_poll ();	721	int res = eio_poll ();
727		722
…		…
745	}	740	}
746		741
747	/*****************************************************************************/	742	/*****************************************************************************/
748		743
749	#if !_POSIX_MAPPED_FILES	744	#if !_POSIX_MAPPED_FILES
750	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	745	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
751	# define munmap(addr,length) (errno = ENOSYS, -1)	746	# define munmap(addr,length) EIO_ENOSYS ()
752	#endif	747	#endif
753		748
754	#if !_POSIX_MEMORY_PROTECTION	749	#if !_POSIX_MEMORY_PROTECTION
755	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	750	# define mprotect(addr,len,prot) EIO_ENOSYS ()
756	# define PROT_NONE 0	751	# define PROT_NONE 0
757	# define PROT_WRITE 0	752	# define PROT_WRITE 0
758	# define MAP_PRIVATE 0	753	# define MAP_PRIVATE 0
759	# define MAP_SHARED 0	754	# define MAP_SHARED 0
760	# define MAP_FIXED 0	755	# define MAP_FIXED 0
761	#endif	756	#endif
762		757
763	#define MMAP_MAGIC PERL_MAGIC_ext	758	#define MMAP_MAGIC PERL_MAGIC_ext
764		759
		760	static int ecb_cold
765	static int mmap_free (pTHX_ SV sv, MAGIC mg)	761	mmap_free (pTHX_ SV sv, MAGIC mg)
766	{	762	{
767	int old_errno = errno;	763	int old_errno = errno;
768	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	764	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
769	errno = old_errno;	765	errno = old_errno;
770		766
…		…
786	0, 0, 0, 0, mmap_free	782	0, 0, 0, 0, mmap_free
787	};	783	};
788		784
789	/*****************************************************************************/	785	/*****************************************************************************/
790		786
		787	static SV *
791	static SV * get_cb (SV *cb_sv)	788	get_cb (SV *cb_sv)
792	{	789	{
793	SvGETMAGIC (cb_sv);	790	SvGETMAGIC (cb_sv);
794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	791	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
795	}	792	}
796		793
		794	static aio_req ecb_noinline
		795	dreq (SV *callback)
		796	{
		797	SV *cb_cv;
		798	aio_req req;
		799	int req_pri = next_pri;
		800	next_pri = EIO_PRI_DEFAULT;
		801
		802	cb_cv = get_cb (callback);
		803
		804	req = calloc (sizeof (*req), 1);
		805	if (!req)
		806	croak ("out of memory during eio_req allocation");
		807
		808	req->callback = SvREFCNT_inc (cb_cv);
		809	req->pri = req_pri;
		810
		811	return req;
		812	}
		813
797	#define dREQ \	814	#define dREQ \
798	SV *cb_cv; \	815	aio_req req = dreq (callback); \
799	aio_req req; \
800	int req_pri = next_pri; \
801	next_pri = EIO_PRI_DEFAULT; \
802	\
803	cb_cv = get_cb (callback); \
804	\
805	Newz (0, req, 1, eio_req); \
806	if (!req) \
807	croak ("out of memory during eio_req allocation"); \
808	\
809	req->callback = SvREFCNT_inc (cb_cv); \
810	req->pri = req_pri
811		816
812	#define REQ_SEND \	817	#define REQ_SEND \
813	PUTBACK; \	818	PUTBACK; \
814	req_submit (req); \	819	req_submit (req); \
815	SPAGAIN; \	820	SPAGAIN; \
816	\	821	\
817	if (GIMME_V != G_VOID) \	822	if (GIMME_V != G_VOID) \
818	XPUSHs (req_sv (req, aio_req_stash));	823	XPUSHs (req_sv (req, aio_req_stash));
819		824
820	static void	825	ecb_inline void
821	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	826	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
822	{	827	{
823	if (SvROK (path))	828	if (expect_false (SvROK (path)))
824	{	829	{
825	AV av = (AV )SvRV (path);	830	SV *rv = SvRV (path);
826	SV *wdob;	831	SV *wdob;
827		832
828	if (SvTYPE (av) != SVt_PVAV \|\| AvFILLp (av) != 1)	833	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
829	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
830
831	path = AvARRAY (av)[1];
832	wdob = AvARRAY (av)[0];
833
834	if (SvOK (wdob))
835	{	834	{
		835	path = AvARRAY (rv)[1];
		836	wdob = AvARRAY (rv)[0];
		837
		838	if (SvOK (wdob))
		839	{
836	*wd = SvAIO_WD (wdob);	840	*wd = SvAIO_WD (wdob);
837	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	841	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		842	}
		843	else
		844	*wd = EIO_INVALID_WD;
		845	}
		846	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		847	{
		848	*wd = (aio_wd)(long)SvIVX (rv);
		849	*wdsv = SvREFCNT_inc_NN (rv);
		850	*ptr = ".";
		851	return; /* path set to "." */
838	}	852	}
839	else	853	else
840	*wd = EIO_INVALID_WD;	854	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
841	}	855	}
842		856
843	*pathsv = newSVsv (path);	857	*pathsv = newSVsv (path);
844	ptr = SvPVbyte_nolen (pathsv);	858	ptr = SvPVbyte_nolen (pathsv);
845	}	859	}
846		860
847	static void	861	static void ecb_noinline
848	req_set_path1 (aio_req req, SV *path)	862	req_set_path1 (aio_req req, SV *path)
849	{	863	{
850	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	864	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
851	}	865	}
852		866
853	static void	867	static void ecb_noinline
854	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	868	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
855	{	869	{
856	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	870	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
857		871
858	switch (SvTYPE (rv))	872	switch (SvTYPE (rv))
…		…
868	default:	882	default:
869	req->type = type_path;	883	req->type = type_path;
870	req_set_path1 (req, fh_or_path);	884	req_set_path1 (req, fh_or_path);
871	break;	885	break;
872	}	886	}
873
874	}	887	}
		888
		889	XS(boot_IO__AIO) ecb_cold;
875		890
876	MODULE = IO::AIO PACKAGE = IO::AIO	891	MODULE = IO::AIO PACKAGE = IO::AIO
877		892
878	PROTOTYPES: ENABLE	893	PROTOTYPES: ENABLE
879		894
…		…
884	IV iv;	899	IV iv;
885	} *civ, const_iv[] = {	900	} *civ, const_iv[] = {
886	# define const_niv(name, value) { # name, (IV) value },	901	# define const_niv(name, value) { # name, (IV) value },
887	# define const_iv(name) { # name, (IV) name },	902	# define const_iv(name) { # name, (IV) name },
888	# define const_eio(name) { # name, (IV) EIO_ ## name },	903	# define const_eio(name) { # name, (IV) EIO_ ## name },
		904
		905	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		906
		907	const_iv (ENOSYS)
889	const_iv (EXDEV)	908	const_iv (EXDEV)
890	const_iv (ENOSYS)	909	const_iv (EBADR)
		910
891	const_iv (O_RDONLY)	911	const_iv (O_RDONLY)
892	const_iv (O_WRONLY)	912	const_iv (O_WRONLY)
893	const_iv (O_RDWR)	913	const_iv (O_RDWR)
894	const_iv (O_CREAT)	914	const_iv (O_CREAT)
895	const_iv (O_TRUNC)	915	const_iv (O_TRUNC)
…		…
963	const_iv (MAP_LOCKED)	983	const_iv (MAP_LOCKED)
964	const_iv (MAP_NORESERVE)	984	const_iv (MAP_NORESERVE)
965	const_iv (MAP_POPULATE)	985	const_iv (MAP_POPULATE)
966	const_iv (MAP_NONBLOCK)	986	const_iv (MAP_NONBLOCK)
967		987
		988	const_iv (FIEMAP_FLAG_SYNC)
		989	const_iv (FIEMAP_FLAG_XATTR)
		990	const_iv (FIEMAP_FLAGS_COMPAT)
		991	const_iv (FIEMAP_EXTENT_LAST)
		992	const_iv (FIEMAP_EXTENT_UNKNOWN)
		993	const_iv (FIEMAP_EXTENT_DELALLOC)
		994	const_iv (FIEMAP_EXTENT_ENCODED)
		995	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		996	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		997	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		998	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		999	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1000	const_iv (FIEMAP_EXTENT_MERGED)
		1001	const_iv (FIEMAP_EXTENT_SHARED)
		1002
		1003	const_iv (SPLICE_F_MOVE)
		1004	const_iv (SPLICE_F_NONBLOCK)
		1005	const_iv (SPLICE_F_MORE)
		1006	const_iv (SPLICE_F_GIFT)
		1007
		1008	const_iv (SEEK_DATA)
		1009	const_iv (SEEK_HOLE)
		1010
		1011	/* libeio constants */
		1012	const_eio (SEEK_SET)
		1013	const_eio (SEEK_CUR)
		1014	const_eio (SEEK_END)
		1015
968	const_eio (MCL_FUTURE)	1016	const_eio (MCL_FUTURE)
969	const_eio (MCL_CURRENT)	1017	const_eio (MCL_CURRENT)
970		1018
971	const_eio (MS_ASYNC)	1019	const_eio (MS_ASYNC)
972	const_eio (MS_INVALIDATE)	1020	const_eio (MS_INVALIDATE)
…		…
977	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1025	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
978	const_eio (SYNC_FILE_RANGE_WRITE)	1026	const_eio (SYNC_FILE_RANGE_WRITE)
979	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1027	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
980		1028
981	const_eio (FALLOC_FL_KEEP_SIZE)	1029	const_eio (FALLOC_FL_KEEP_SIZE)
		1030	const_eio (FALLOC_FL_PUNCH_HOLE)
982		1031
983	const_eio (READDIR_DENTS)	1032	const_eio (READDIR_DENTS)
984	const_eio (READDIR_DIRS_FIRST)	1033	const_eio (READDIR_DIRS_FIRST)
985	const_eio (READDIR_STAT_ORDER)	1034	const_eio (READDIR_STAT_ORDER)
986	const_eio (READDIR_FOUND_UNKNOWN)	1035	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1087	aio_fsync = EIO_FSYNC	1136	aio_fsync = EIO_FSYNC
1088	aio_fdatasync = EIO_FDATASYNC	1137	aio_fdatasync = EIO_FDATASYNC
1089	aio_syncfs = EIO_SYNCFS	1138	aio_syncfs = EIO_SYNCFS
1090	PPCODE:	1139	PPCODE:
1091	{	1140	{
1092	int fd = s_fileno_croak (fh, 0);	1141	int fd = s_fileno_croak (fh, 0);
1093	dREQ;	1142	dREQ;
1094		1143
1095	req->type = ix;	1144	req->type = ix;
1096	req->sv1 = newSVsv (fh);	1145	req->sv1 = newSVsv (fh);
1097	req->int1 = fd;	1146	req->int1 = fd;
1098		1147
1099	REQ_SEND (req);	1148	REQ_SEND;
1100	}	1149	}
1101		1150
1102	void	1151	void
1103	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1152	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
1104	PPCODE:	1153	PPCODE:
1105	{	1154	{
1106	int fd = s_fileno_croak (fh, 0);	1155	int fd = s_fileno_croak (fh, 0);
1107	dREQ;	1156	dREQ;
1108		1157
1109	req->type = EIO_SYNC_FILE_RANGE;	1158	req->type = EIO_SYNC_FILE_RANGE;
1110	req->sv1 = newSVsv (fh);	1159	req->sv1 = newSVsv (fh);
1111	req->int1 = fd;	1160	req->int1 = fd;
1112	req->offs = offset;	1161	req->offs = offset;
1113	req->size = nbytes;	1162	req->size = nbytes;
1114	req->int2 = flags;	1163	req->int2 = flags;
1115		1164
1116	REQ_SEND (req);	1165	REQ_SEND;
1117	}	1166	}
1118		1167
1119	void	1168	void
1120	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1169	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
1121	PPCODE:	1170	PPCODE:
1122	{	1171	{
1123	int fd = s_fileno_croak (fh, 0);	1172	int fd = s_fileno_croak (fh, 0);
1124	dREQ;	1173	dREQ;
1125		1174
1126	req->type = EIO_FALLOCATE;	1175	req->type = EIO_FALLOCATE;
1127	req->sv1 = newSVsv (fh);	1176	req->sv1 = newSVsv (fh);
1128	req->int1 = fd;	1177	req->int1 = fd;
1129	req->int2 = mode;	1178	req->int2 = mode;
1130	req->offs = offset;	1179	req->offs = offset;
1131	req->size = len;	1180	req->size = len;
1132		1181
1133	REQ_SEND (req);	1182	REQ_SEND;
1134	}	1183	}
1135		1184
1136	void	1185	void
1137	aio_close (SV fh, SV callback=&PL_sv_undef)	1186	aio_close (SV fh, SV callback=&PL_sv_undef)
1138	PPCODE:	1187	PPCODE:
1139	{	1188	{
1140	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1189	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1141	int fd = s_fileno_croak (fh, 0);	1190	int fd = s_fileno_croak (fh, 0);
1142	dREQ;	1191	dREQ;
1143		1192
1144	if (expect_false (close_fd < 0))	1193	if (expect_false (close_fd < 0))
1145	{	1194	{
1146	int pipefd [2];	1195	int pipefd [2];
…		…
1162	req->type = EIO_DUP2;	1211	req->type = EIO_DUP2;
1163	req->int1 = close_fd;	1212	req->int1 = close_fd;
1164	req->sv2 = newSVsv (fh);	1213	req->sv2 = newSVsv (fh);
1165	req->int2 = fd;	1214	req->int2 = fd;
1166		1215
1167	REQ_SEND (req);	1216	REQ_SEND;
		1217	}
		1218
		1219	void
		1220	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)
		1221	PPCODE:
		1222	{
		1223	int fd = s_fileno_croak (fh, 0);
		1224	dREQ;
		1225
		1226	req->type = EIO_SEEK;
		1227	req->sv1 = newSVsv (fh);
		1228	req->int1 = fd;
		1229	req->offs = SvVAL64 (offset);
		1230	req->int2 = whence;
		1231
		1232	REQ_SEND;
1168	}	1233	}
1169		1234
1170	void	1235	void
1171	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1236	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1172	ALIAS:	1237	ALIAS:
…		…
1193	}	1258	}
1194	else	1259	else
1195	{	1260	{
1196	/* read: check type and grow scalar as necessary */	1261	/* read: check type and grow scalar as necessary */
1197	SvUPGRADE (data, SVt_PV);	1262	SvUPGRADE (data, SVt_PV);
		1263	if (SvLEN (data) >= SvCUR (data))
1198	svptr = SvGROW (data, len + dataoffset + 1);	1264	svptr = SvGROW (data, len + dataoffset + 1);
		1265	else if (SvCUR (data) < len + dataoffset)
		1266	croak ("length + dataoffset outside of scalar, and cannot grow");
1199	}	1267	}
1200		1268
1201	{	1269	{
1202	dREQ;	1270	dREQ;
1203		1271
…		…
1237		1305
1238	void	1306	void
1239	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1307	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1240	PPCODE:	1308	PPCODE:
1241	{	1309	{
1242	int ifd = s_fileno_croak (in_fh , 0);	1310	int ifd = s_fileno_croak (in_fh , 0);
1243	int ofd = s_fileno_croak (out_fh, 1);	1311	int ofd = s_fileno_croak (out_fh, 1);
1244	dREQ;	1312	dREQ;
1245		1313
1246	req->type = EIO_SENDFILE;	1314	req->type = EIO_SENDFILE;
1247	req->sv1 = newSVsv (out_fh);	1315	req->sv1 = newSVsv (out_fh);
1248	req->int1 = ofd;	1316	req->int1 = ofd;
…		…
1256		1324
1257	void	1325	void
1258	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1326	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
1259	PPCODE:	1327	PPCODE:
1260	{	1328	{
1261	int fd = s_fileno_croak (fh, 0);	1329	int fd = s_fileno_croak (fh, 0);
1262	dREQ;	1330	dREQ;
1263		1331
1264	req->type = EIO_READAHEAD;	1332	req->type = EIO_READAHEAD;
1265	req->sv1 = newSVsv (fh);	1333	req->sv1 = newSVsv (fh);
1266	req->int1 = fd;	1334	req->int1 = fd;
…		…
1278	aio_statvfs = EIO_STATVFS	1346	aio_statvfs = EIO_STATVFS
1279	PPCODE:	1347	PPCODE:
1280	{	1348	{
1281	dREQ;	1349	dREQ;
1282		1350
1283	req->sv1 = newSVsv (fh_or_path);
1284	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1351	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1352
1285	REQ_SEND;	1353	REQ_SEND;
1286	}	1354	}
1287		1355
1288	UV	1356	UV
1289	major (UV dev)	1357	major (UV dev)
…		…
1326	REQ_SEND;	1394	REQ_SEND;
1327	}	1395	}
1328		1396
1329	void	1397	void
1330	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1398	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
1331	ALIAS:
1332	aio_chmod = EIO_CHMOD
1333	aio_mkdir = EIO_MKDIR
1334	PPCODE:	1399	PPCODE:
1335	{	1400	{
1336	dREQ;	1401	dREQ;
1337		1402
1338	req->int2 = mode;	1403	req->int2 = mode;
…		…
1359	PPCODE:	1424	PPCODE:
1360	{	1425	{
1361	dREQ;	1426	dREQ;
1362		1427
1363	req->type = EIO_READDIR;	1428	req->type = EIO_READDIR;
1364	req->sv1 = newSVsv (pathname);
1365	req->ptr1 = SvPVbyte_nolen (req->sv1);
1366	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;	1429	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
1367		1430
1368	if (flags & EIO_READDIR_DENTS)	1431	if (flags & EIO_READDIR_DENTS)
1369	req->int1 \|= EIO_READDIR_CUSTOM2;	1432	req->int1 \|= EIO_READDIR_CUSTOM2;
1370		1433
		1434	req_set_path1 (req, pathname);
		1435
1371	REQ_SEND;	1436	REQ_SEND;
		1437	}
		1438
		1439	void
		1440	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)
		1441	PPCODE:
		1442	{
		1443	dREQ;
		1444
		1445	req->type = EIO_MKDIR;
		1446	req->int2 = mode;
		1447	req_set_path1 (req, pathname);
		1448
		1449	REQ_SEND;
1372	}	1450	}
1373		1451
1374	void	1452	void
1375	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1453	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
1376	ALIAS:	1454	ALIAS:
…		…
1393	aio_link = EIO_LINK	1471	aio_link = EIO_LINK
1394	aio_symlink = EIO_SYMLINK	1472	aio_symlink = EIO_SYMLINK
1395	aio_rename = EIO_RENAME	1473	aio_rename = EIO_RENAME
1396	PPCODE:	1474	PPCODE:
1397	{	1475	{
		1476	eio_wd wd2 = 0;
1398	dREQ;	1477	dREQ;
1399	eio_wd wd2;
1400		1478
1401	req->type = ix;	1479	req->type = ix;
1402	req_set_path1 (req, oldpath);	1480	req_set_path1 (req, oldpath);
1403	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1481	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1404	req->int3 = (long)wd2;	1482	req->int3 = (long)wd2;
…		…
1490		1568
1491	req->type = EIO_MLOCKALL;	1569	req->type = EIO_MLOCKALL;
1492	req->int1 = flags;	1570	req->int1 = flags;
1493		1571
1494	REQ_SEND;	1572	REQ_SEND;
		1573	}
		1574
		1575	void
		1576	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)
		1577	PPCODE:
		1578	{
		1579	int fd = s_fileno_croak (fh, 0);
		1580	dREQ;
		1581
		1582	req->type = EIO_CUSTOM;
		1583	req->sv1 = newSVsv (fh);
		1584	req->int1 = fd;
		1585
		1586	req->feed = fiemap;
		1587	#if HAVE_FIEMAP
		1588	/* keep our fingers crossed that the next two types are 64 bit */
		1589	req->offs = start;
		1590	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1591	req->int2 = flags;
		1592	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1593	#endif
		1594
		1595	REQ_SEND;
1495	}	1596	}
1496		1597
1497	void	1598	void
1498	aio_busy (double delay, SV *callback=&PL_sv_undef)	1599	aio_busy (double delay, SV *callback=&PL_sv_undef)
1499	PPCODE:	1600	PPCODE:
…		…
1631	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1732	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1632	OUTPUT:	1733	OUTPUT:
1633	RETVAL	1734	RETVAL
1634		1735
1635	void	1736	void
1636	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1737	mmap (SV scalar, size_t length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1637	PPCODE:	1738	PPCODE:
1638	sv_unmagic (scalar, MMAP_MAGIC);	1739	sv_unmagic (scalar, MMAP_MAGIC);
1639	{	1740	{
1640	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1741	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1641	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1742	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1674	ALIAS:	1775	ALIAS:
1675	mprotect = 1	1776	mprotect = 1
1676	CODE:	1777	CODE:
1677	{	1778	{
1678	STRLEN svlen;	1779	STRLEN svlen;
1679	void *addr = SvPVbyte (scalar, svlen);	1780	void *addr = SvPVbyte (scalar, svlen);
1680	size_t len = SvUV (length);	1781	size_t len = SvUV (length);
1681		1782
1682	if (offset < 0)	1783	if (offset < 0)
1683	offset += svlen;	1784	offset += svlen;
1684		1785
…		…
1703	int	1804	int
1704	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)	1805	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
1705	CODE:	1806	CODE:
1706	{	1807	{
1707	STRLEN svlen;	1808	STRLEN svlen;
1708	void *addr = SvPVbyte (scalar, svlen);	1809	void *addr = SvPVbyte (scalar, svlen);
1709	size_t len = SvUV (length);	1810	size_t len = SvUV (length);
1710		1811
1711	if (offset < 0)	1812	if (offset < 0)
1712	offset += svlen;	1813	offset += svlen;
1713		1814
…		…
1720	addr = (void *)(((intptr_t)addr) + offset);	1821	addr = (void *)(((intptr_t)addr) + offset);
1721	eio_page_align (&addr, &len);	1822	eio_page_align (&addr, &len);
1722	#if _POSIX_MEMLOCK_RANGE	1823	#if _POSIX_MEMLOCK_RANGE
1723	RETVAL = munlock (addr, len);	1824	RETVAL = munlock (addr, len);
1724	#else	1825	#else
1725	RETVAL = ((errno = ENOSYS), -1);	1826	RETVAL = EIO_ENOSYS ();
1726	#endif	1827	#endif
1727	}	1828	}
1728	OUTPUT:	1829	OUTPUT:
1729	RETVAL	1830	RETVAL
1730		1831
…		…
1732	munlockall ()	1833	munlockall ()
1733	CODE:	1834	CODE:
1734	#if _POSIX_MEMLOCK	1835	#if _POSIX_MEMLOCK
1735	munlockall ();	1836	munlockall ();
1736	#else	1837	#else
1737	RETVAL = -1;	1838	RETVAL = EIO_ENOSYS ();
1738	errno = ENOSYS;
1739	#endif	1839	#endif
1740	OUTPUT:	1840	OUTPUT:
		1841	RETVAL
		1842
		1843	int
		1844	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		1845	CODE:
		1846	{
		1847	#if HAVE_LINUX_SPLICE
		1848	loff_t off_in_, off_out_;
		1849	RETVAL = splice (
		1850	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1851	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1852	length, flags
		1853	);
		1854	#else
		1855	RETVAL = EIO_ENOSYS ();
		1856	#endif
		1857	}
		1858	OUTPUT:
		1859	RETVAL
		1860
		1861	int
		1862	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1863	CODE:
		1864	#if HAVE_LINUX_SPLICE
		1865	RETVAL = tee (rfh, wfh, length, flags);
		1866	#else
		1867	RETVAL = EIO_ENOSYS ();
		1868	#endif
		1869	OUTPUT:
1741	RETVAL	1870	RETVAL
1742		1871
1743	void _on_next_submit (SV *cb)	1872	void _on_next_submit (SV *cb)
1744	CODE:	1873	CODE:
1745	SvREFCNT_dec (on_next_submit);	1874	SvREFCNT_dec (on_next_submit);
…		…
1759	DESTROY (SV *self)	1888	DESTROY (SV *self)
1760	CODE:	1889	CODE:
1761	{	1890	{
1762	aio_wd wd = SvAIO_WD (self);	1891	aio_wd wd = SvAIO_WD (self);
1763	#if HAVE_AT	1892	#if HAVE_AT
		1893	{
1764	SV *callback = &PL_sv_undef;	1894	SV *callback = &PL_sv_undef;
1765	dREQ; /* clobbers next_pri :/ */	1895	dREQ; /* clobbers next_pri :/ */
		1896	next_pri = req->pri; /* restore next_pri */
		1897	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1766	req->type = EIO_WD_CLOSE;	1898	req->type = EIO_WD_CLOSE;
1767	req->wd = wd;	1899	req->wd = wd;
1768	REQ_SEND;	1900	REQ_SEND;
		1901	}
1769	#else	1902	#else
1770	eio_wd_close_sync (wd);	1903	eio_wd_close_sync (wd);
1771	#endif	1904	#endif
1772	}	1905	}
1773		1906

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.196 by root, Tue Sep 27 00:41:51 2011 UTC vs. Revision 1.224 by root, Thu Oct 11 03:20:52 2012 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.196 by root, Tue Sep 27 00:41:51 2011 UTC vs.
Revision 1.224 by root, Thu Oct 11 03:20:52 2012 UTC