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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC vs.
Revision 1.224 by root, Thu Oct 11 03:20:52 2012 UTC

…		…
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	22	#endif
23		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
		31	#endif
		32
24	/* perl namespace pollution */	33	/* perl namespace pollution */
25	#undef VERSION	34	#undef VERSION
26		35
27	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
28	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
…		…
30	#undef opendir	39	#undef opendir
31	#undef closedir	40	#undef closedir
32		41
33	#ifdef _WIN32	42	#ifdef _WIN32
34		43
35	#define EIO_STRUCT_DIRENT Direntry_t	44	// perl overrides all those nice libc functions
		45
36	#undef malloc	46	#undef malloc
37	#undef free	47	#undef free
38
39	// perl overrides all those nice libc functions
40	#undef open	48	#undef open
41	#undef read	49	#undef read
42	#undef write	50	#undef write
43	#undef send	51	#undef send
44	#undef recv	52	#undef recv
…		…
63	#undef dup	71	#undef dup
64	#undef dup2	72	#undef dup2
65	#undef abort	73	#undef abort
66	#undef pipe	74	#undef pipe
67		75
		76	#define EIO_STRUCT_STAT struct _stati64
		77	#define EIO_STRUCT_STATI64
		78
68	#else	79	#else
69		80
70	#include <sys/time.h>	81	#include <sys/time.h>
71	#include <sys/select.h>	82	#include <sys/select.h>
72	#include <unistd.h>	83	#include <unistd.h>
73	#include <utime.h>	84	#include <utime.h>
74	#include <signal.h>	85	#include <signal.h>
75		86
76	#endif
77
78	#define EIO_STRUCT_STAT Stat_t	87	#define EIO_STRUCT_STAT Stat_t
79		88
80	/* use NV for 32 bit perls as it allows larger offsets */
81	#if IVSIZE >= 8
82	# define VAL64 IV
83	# define SvVAL64 SvIV
84	# define newSVval64 newSViv
85	#else
86	# define VAL64 NV
87	# define SvVAL64 SvNV
88	# define newSVval64 newSVnv
89	#endif	89	#endif
90		90
91	/*****************************************************************************/	91	/*****************************************************************************/
92		92
93	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
103		103
104	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
107		107
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109		109
110	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
111	SV *callback; \	111	SV *callback; \
112	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
113	STRLEN stroffset; \	114	STRLEN stroffset; \
114	SV *self;	115	SV *self;
115		116
116	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
117		118
…		…
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
333	typedef eio_req *aio_req;	263	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	264	typedef eio_req *aio_req_ornot;
		265	typedef eio_wd aio_wd;
335		266
336	static SV *on_next_submit;	267	static SV *on_next_submit;
337	static int next_pri = EIO_PRI_DEFAULT;	268	static int next_pri = EIO_PRI_DEFAULT;
338	static int max_outstanding;	269	static int max_outstanding;
339		270
340	static s_epipe respipe;	271	static s_epipe respipe;
341		272
342	static void req_destroy (aio_req req);	273	static void req_destroy (aio_req req);
343	static void req_cancel (aio_req req);	274	static void req_cancel (aio_req req);
344		275
345	static void want_poll (void)	276	static void
		277	want_poll (void)
346	{	278	{
347	/* write a dummy byte to the pipe so fh becomes ready */	279	/* write a dummy byte to the pipe so fh becomes ready */
348	s_epipe_signal (&respipe);	280	s_epipe_signal (&respipe);
349	}	281	}
350		282
351	static void done_poll (void)	283	static void
		284	done_poll (void)
352	{	285	{
353	/* read any signals sent by the worker threads */	286	/* read any signals sent by the worker threads */
354	s_epipe_drain (&respipe);	287	s_epipe_drain (&respipe);
355	}	288	}
356		289
357	/* must be called at most once */	290	/* must be called at most once */
		291	static SV *
358	static SV *req_sv (aio_req req, HV *stash)	292	req_sv (aio_req req, HV *stash)
359	{	293	{
360	if (!req->self)	294	if (!req->self)
361	{	295	{
362	req->self = (SV *)newHV ();	296	req->self = (SV *)newHV ();
363	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	297	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364	}	298	}
365		299
366	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	300	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367	}	301	}
368		302
369	static aio_req SvAIO_REQ (SV *sv)	303	static SV *
		304	newSVaio_wd (aio_wd wd)
		305	{
		306	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		307	}
		308
		309	static aio_req
		310	SvAIO_REQ (SV *sv)
370	{	311	{
371	MAGIC *mg;	312	MAGIC *mg;
372		313
373	if (!SvROK (sv)	314	if (!SvROK (sv)
		315	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	316	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
375	&& SvSTASH (SvRV (sv)) != aio_req_stash	317	&& SvSTASH (SvRV (sv)) != aio_req_stash
376	&& !sv_derived_from (sv, "IO::AIO::REQ")))	318	&& !sv_derived_from (sv, "IO::AIO::REQ")))
377	croak ("object of class IO::AIO::REQ expected");	319	croak ("object of class IO::AIO::REQ expected");
378		320
379	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	321	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380		322
381	return mg ? (aio_req)mg->mg_ptr : 0;	323	return mg ? (aio_req)mg->mg_ptr : 0;
382	}	324	}
383		325
		326	static aio_wd
		327	SvAIO_WD (SV *sv)
		328	{
		329	if (!SvROK (sv)
		330	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		331	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		332	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		333
		334	return (aio_wd)(long)SvIVX (SvRV (sv));
		335	}
		336
		337	static void
384	static void aio_grp_feed (aio_req grp)	338	aio_grp_feed (aio_req grp)
385	{	339	{
386	if (grp->sv2 && SvOK (grp->sv2))	340	if (grp->sv2 && SvOK (grp->sv2))
387	{	341	{
388	dSP;	342	dSP;
389		343
…		…
397	FREETMPS;	351	FREETMPS;
398	LEAVE;	352	LEAVE;
399	}	353	}
400	}	354	}
401		355
		356	static void
402	static void req_submit (eio_req *req)	357	req_submit (eio_req *req)
403	{	358	{
404	eio_submit (req);	359	eio_submit (req);
405		360
406	if (expect_false (on_next_submit))	361	if (expect_false (on_next_submit))
407	{	362	{
…		…
414	PUTBACK;	369	PUTBACK;
415	call_sv (cb, G_DISCARD | G_EVAL);	370	call_sv (cb, G_DISCARD | G_EVAL);
416	}	371	}
417	}	372	}
418		373
		374	static int
419	static int req_invoke (eio_req *req)	375	req_invoke (eio_req *req)
420	{	376	{
421	if (req->flags & FLAG_SV2_RO_OFF)	377	if (req->flags & FLAG_SV2_RO_OFF)
422	SvREADONLY_off (req->sv2);	378	SvREADONLY_off (req->sv2);
423		379
424	if (!EIO_CANCELLED (req) && req->callback)	380	if (!EIO_CANCELLED (req) && req->callback)
…		…
445	SvREADONLY_on (sv_result);	401	SvREADONLY_on (sv_result);
446	}	402	}
447		403
448	switch (req->type)	404	switch (req->type)
449	{	405	{
		406	case EIO_WD_OPEN:
		407	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		408	break;
		409
450	case EIO_READDIR:	410	case EIO_READDIR:
451	{	411	{
452	SV *rv = &PL_sv_undef;	412	SV *rv = &PL_sv_undef;
453		413
454	if (req->result >= 0)	414	if (req->result >= 0)
…		…
547	#ifndef _WIN32	507	#ifndef _WIN32
548	if (req->result >= 0)	508	if (req->result >= 0)
549	{	509	{
550	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	510	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
551	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));
552		517
553	rv = sv_2mortal (newRV_noinc ((SV *)hv));	518	rv = sv_2mortal (newRV_noinc ((SV *)hv));
554		519
555	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);
556	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);
…		…
558	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);
559	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);
560	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);
561	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);
562	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);
563	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	528	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
564	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);
565	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);
566	}	531	}
567	#endif	532	#endif
568		533
…		…
596	break;	561	break;
597		562
598	case EIO_STAT:	563	case EIO_STAT:
599	case EIO_LSTAT:	564	case EIO_LSTAT:
600	case EIO_FSTAT:	565	case EIO_FSTAT:
601	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	566	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		567
602	PL_laststatval = req->result;	568	if (!(PL_laststatval = req->result))
603	/* 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 */
604	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	570	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		571
605	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)));
606	break;	577	break;
607		578
608	case EIO_READ:	579	case EIO_READ:
609	{	580	{
610	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));
…		…
613	SvSETMAGIC (req->sv2);	584	SvSETMAGIC (req->sv2);
614	PUSHs (sv_result);	585	PUSHs (sv_result);
615	}	586	}
616	break;	587	break;
617		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
618	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 */
619	if (req->result > 0)	630	if (req->result > 0)
620	SvIV_set (sv_result, 0);	631	SvIV_set (sv_result, 0);
621	/* FALLTHROUGH */	632	/* FALLTHROUGH */
622		633
…		…
643	}	654	}
644		655
645	return !!SvTRUE (ERRSV);	656	return !!SvTRUE (ERRSV);
646	}	657	}
647		658
		659	static void
648	static void req_destroy (aio_req req)	660	req_destroy (aio_req req)
649	{	661	{
650	if (req->self)	662	if (req->self)
651	{	663	{
652	sv_unmagic (req->self, PERL_MAGIC_ext);	664	sv_unmagic (req->self, PERL_MAGIC_ext);
653	SvREFCNT_dec (req->self);	665	SvREFCNT_dec (req->self);
654	}	666	}
655		667
656	SvREFCNT_dec (req->sv1);	668	SvREFCNT_dec (req->sv1);
657	SvREFCNT_dec (req->sv2);	669	SvREFCNT_dec (req->sv2);
		670	SvREFCNT_dec (req->sv3);
		671	SvREFCNT_dec (req->sv4);
658	SvREFCNT_dec (req->callback);	672	SvREFCNT_dec (req->callback);
659		673
660	Safefree (req);	674	free (req);
661	}	675	}
662		676
		677	static void
663	static void req_cancel_subs (aio_req grp)	678	req_cancel_subs (aio_req grp)
664	{	679	{
665	if (grp->type != EIO_GROUP)	680	if (grp->type != EIO_GROUP)
666	return;	681	return;
667		682
668	SvREFCNT_dec (grp->sv2);	683	SvREFCNT_dec (grp->sv2);
669	grp->sv2 = 0;	684	grp->sv2 = 0;
670		685
671	eio_grp_cancel (grp);	686	eio_grp_cancel (grp);
672	}	687	}
673		688
		689	static void ecb_cold
674	static void create_respipe (void)	690	create_respipe (void)
675	{	691	{
676	if (s_epipe_renew (&respipe))	692	if (s_epipe_renew (&respipe))
677	croak ("IO::AIO: unable to initialize result pipe");	693	croak ("IO::AIO: unable to initialize result pipe");
678	}	694	}
679		695
680	static void poll_wait (void)	696	static void
		697	poll_wait (void)
681	{	698	{
682	while (eio_nreqs ())	699	while (eio_nreqs ())
683	{	700	{
684	int size;	701	int size;
685		702
…		…
694		711
695	s_epipe_wait (&respipe);	712	s_epipe_wait (&respipe);
696	}	713	}
697	}	714	}
698		715
699	static int poll_cb (void)	716	static int
		717	poll_cb (void)
700	{	718	{
701	for (;;)	719	for (;;)
702	{	720	{
703	int res = eio_poll ();	721	int res = eio_poll ();
704		722
…		…
710		728
711	poll_wait ();	729	poll_wait ();
712	}	730	}
713	}	731	}
714		732
715	static void atfork_child (void)	733	static void ecb_cold
		734	reinit (void)
716	{	735	{
717	create_respipe ();	736	create_respipe ();
		737
		738	if (eio_init (want_poll, done_poll) < 0)
		739	croak ("IO::AIO: unable to initialise eio library");
718	}	740	}
719		741
720	/*****************************************************************************/	742	/*****************************************************************************/
721		743
722	#if !_POSIX_MAPPED_FILES	744	#if !_POSIX_MAPPED_FILES
723	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	745	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
724	# define munmap(addr,length) (errno = ENOSYS, -1)	746	# define munmap(addr,length) EIO_ENOSYS ()
725	#endif	747	#endif
726		748
727	#if !_POSIX_MEMORY_PROTECTION	749	#if !_POSIX_MEMORY_PROTECTION
728	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	750	# define mprotect(addr,len,prot) EIO_ENOSYS ()
729	# define PROT_NONE 0	751	# define PROT_NONE 0
730	# define PROT_WRITE 0	752	# define PROT_WRITE 0
731	# define MAP_PRIVATE 0	753	# define MAP_PRIVATE 0
732	# define MAP_SHARED 0	754	# define MAP_SHARED 0
733	# define MAP_FIXED 0	755	# define MAP_FIXED 0
734	#endif	756	#endif
735		757
736	#define MMAP_MAGIC PERL_MAGIC_ext	758	#define MMAP_MAGIC PERL_MAGIC_ext
737		759
		760	static int ecb_cold
738	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	761	mmap_free (pTHX_ SV *sv, MAGIC *mg)
739	{	762	{
740	int old_errno = errno;	763	int old_errno = errno;
741	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	764	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742	errno = old_errno;	765	errno = old_errno;
743		766
…		…
759	0, 0, 0, 0, mmap_free	782	0, 0, 0, 0, mmap_free
760	};	783	};
761		784
762	/*****************************************************************************/	785	/*****************************************************************************/
763		786
		787	static SV *
764	static SV * get_cb (SV *cb_sv)	788	get_cb (SV *cb_sv)
765	{	789	{
766	SvGETMAGIC (cb_sv);	790	SvGETMAGIC (cb_sv);
767	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	791	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768	}	792	}
769		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
770	#define dREQ \	814	#define dREQ \
771	SV *cb_cv; \	815	aio_req req = dreq (callback); \
772	aio_req req; \
773	int req_pri = next_pri; \
774	next_pri = EIO_PRI_DEFAULT; \
775	\
776	cb_cv = get_cb (callback); \
777	\
778	Newz (0, req, 1, eio_req); \
779	if (!req) \
780	croak ("out of memory during eio_req allocation"); \
781	\
782	req->callback = SvREFCNT_inc (cb_cv); \
783	req->pri = req_pri
784		816
785	#define REQ_SEND \	817	#define REQ_SEND \
786	PUTBACK; \	818	PUTBACK; \
787	req_submit (req); \	819	req_submit (req); \
788	SPAGAIN; \	820	SPAGAIN; \
789	\	821	\
790	if (GIMME_V != G_VOID) \	822	if (GIMME_V != G_VOID) \
791	XPUSHs (req_sv (req, aio_req_stash));	823	XPUSHs (req_sv (req, aio_req_stash));
792		824
		825	ecb_inline void
		826	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		827	{
		828	if (expect_false (SvROK (path)))
		829	{
		830	SV *rv = SvRV (path);
		831	SV *wdob;
		832
		833	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		834	{
		835	path = AvARRAY (rv)[1];
		836	wdob = AvARRAY (rv)[0];
		837
		838	if (SvOK (wdob))
		839	{
		840	*wd = SvAIO_WD (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 "." */
		852	}
		853	else
		854	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		855	}
		856
		857	*pathsv = newSVsv (path);
		858	*ptr = SvPVbyte_nolen (*pathsv);
		859	}
		860
		861	static void ecb_noinline
		862	req_set_path1 (aio_req req, SV *path)
		863	{
		864	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		865	}
		866
		867	static void ecb_noinline
		868	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		869	{
		870	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		871
		872	switch (SvTYPE (rv))
		873	{
		874	case SVt_PVIO:
		875	case SVt_PVLV:
		876	case SVt_PVGV:
		877	req->type = type_fh;
		878	req->sv1 = newSVsv (fh_or_path);
		879	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		880	break;
		881
		882	default:
		883	req->type = type_path;
		884	req_set_path1 (req, fh_or_path);
		885	break;
		886	}
		887	}
		888
		889	XS(boot_IO__AIO) ecb_cold;
		890
793	MODULE = IO::AIO PACKAGE = IO::AIO	891	MODULE = IO::AIO PACKAGE = IO::AIO
794		892
795	PROTOTYPES: ENABLE	893	PROTOTYPES: ENABLE
796		894
797	BOOT:	895	BOOT:
…		…
801	IV iv;	899	IV iv;
802	} *civ, const_iv[] = {	900	} *civ, const_iv[] = {
803	# define const_niv(name, value) { # name, (IV) value },	901	# define const_niv(name, value) { # name, (IV) value },
804	# define const_iv(name) { # name, (IV) name },	902	# define const_iv(name) { # name, (IV) name },
805	# 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)
806	const_iv (EXDEV)	908	const_iv (EXDEV)
807	const_iv (ENOSYS)	909	const_iv (EBADR)
		910
808	const_iv (O_RDONLY)	911	const_iv (O_RDONLY)
809	const_iv (O_WRONLY)	912	const_iv (O_WRONLY)
810	const_iv (O_RDWR)	913	const_iv (O_RDWR)
811	const_iv (O_CREAT)	914	const_iv (O_CREAT)
812	const_iv (O_TRUNC)	915	const_iv (O_TRUNC)
…		…
880	const_iv (MAP_LOCKED)	983	const_iv (MAP_LOCKED)
881	const_iv (MAP_NORESERVE)	984	const_iv (MAP_NORESERVE)
882	const_iv (MAP_POPULATE)	985	const_iv (MAP_POPULATE)
883	const_iv (MAP_NONBLOCK)	986	const_iv (MAP_NONBLOCK)
884		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
885	const_eio (MCL_FUTURE)	1016	const_eio (MCL_FUTURE)
886	const_eio (MCL_CURRENT)	1017	const_eio (MCL_CURRENT)
887		1018
888	const_eio (MS_ASYNC)	1019	const_eio (MS_ASYNC)
889	const_eio (MS_INVALIDATE)	1020	const_eio (MS_INVALIDATE)
…		…
894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1025	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895	const_eio (SYNC_FILE_RANGE_WRITE)	1026	const_eio (SYNC_FILE_RANGE_WRITE)
896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1027	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897		1028
898	const_eio (FALLOC_FL_KEEP_SIZE)	1029	const_eio (FALLOC_FL_KEEP_SIZE)
		1030	const_eio (FALLOC_FL_PUNCH_HOLE)
899		1031
900	const_eio (READDIR_DENTS)	1032	const_eio (READDIR_DENTS)
901	const_eio (READDIR_DIRS_FIRST)	1033	const_eio (READDIR_DIRS_FIRST)
902	const_eio (READDIR_STAT_ORDER)	1034	const_eio (READDIR_STAT_ORDER)
903	const_eio (READDIR_FOUND_UNKNOWN)	1035	const_eio (READDIR_FOUND_UNKNOWN)
…		…
914	};	1046	};
915		1047
916	aio_stash = gv_stashpv ("IO::AIO" , 1);	1048	aio_stash = gv_stashpv ("IO::AIO" , 1);
917	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1049	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1050	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1051	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
919		1052
920	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1053	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
921	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1054	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922		1055
923	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1056	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924		1057
925	create_respipe ();	1058	reinit ();
926
927	if (eio_init (want_poll, done_poll) < 0)
928	croak ("IO::AIO: unable to initialise eio library");
929
930	/* atfork child called in fifo order, so before eio's handler */
931	X_THREAD_ATFORK (0, 0, atfork_child);
932	}	1059	}
		1060
		1061	void
		1062	reinit ()
		1063	PROTOTYPE:
933		1064
934	void	1065	void
935	max_poll_reqs (unsigned int nreqs)	1066	max_poll_reqs (unsigned int nreqs)
936	PROTOTYPE: $	1067	PROTOTYPE: $
937	CODE:	1068	CODE:
…		…
972	PROTOTYPE: $	1103	PROTOTYPE: $
973	CODE:	1104	CODE:
974	max_outstanding = maxreqs;	1105	max_outstanding = maxreqs;
975		1106
976	void	1107	void
		1108	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1109	PPCODE:
		1110	{
		1111	dREQ;
		1112
		1113	req->type = EIO_WD_OPEN;
		1114	req_set_path1 (req, pathname);
		1115
		1116	REQ_SEND;
		1117	}
		1118
		1119	void
977	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1120	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
978	PPCODE:	1121	PPCODE:
979	{	1122	{
980	dREQ;	1123	dREQ;
981		1124
982	req->type = EIO_OPEN;	1125	req->type = EIO_OPEN;
983	req->sv1 = newSVsv (pathname);	1126	req_set_path1 (req, pathname);
984	req->ptr1 = SvPVbyte_nolen (req->sv1);
985	req->int1 = flags;	1127	req->int1 = flags;
986	req->int2 = mode;	1128	req->int2 = mode;
987		1129
988	REQ_SEND;	1130	REQ_SEND;
989	}	1131	}
…		…
991	void	1133	void
992	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1134	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
993	ALIAS:	1135	ALIAS:
994	aio_fsync = EIO_FSYNC	1136	aio_fsync = EIO_FSYNC
995	aio_fdatasync = EIO_FDATASYNC	1137	aio_fdatasync = EIO_FDATASYNC
		1138	aio_syncfs = EIO_SYNCFS
996	PPCODE:	1139	PPCODE:
997	{	1140	{
998	int fd = s_fileno_croak (fh, 0);	1141	int fd = s_fileno_croak (fh, 0);
999	dREQ;	1142	dREQ;
1000		1143
1001	req->type = ix;	1144	req->type = ix;
1002	req->sv1 = newSVsv (fh);	1145	req->sv1 = newSVsv (fh);
1003	req->int1 = fd;	1146	req->int1 = fd;
1004		1147
1005	REQ_SEND (req);	1148	REQ_SEND;
1006	}	1149	}
1007		1150
1008	void	1151	void
1009	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)
1010	PPCODE:	1153	PPCODE:
1011	{	1154	{
1012	int fd = s_fileno_croak (fh, 0);	1155	int fd = s_fileno_croak (fh, 0);
1013	dREQ;	1156	dREQ;
1014		1157
1015	req->type = EIO_SYNC_FILE_RANGE;	1158	req->type = EIO_SYNC_FILE_RANGE;
1016	req->sv1 = newSVsv (fh);	1159	req->sv1 = newSVsv (fh);
1017	req->int1 = fd;	1160	req->int1 = fd;
1018	req->offs = offset;	1161	req->offs = offset;
1019	req->size = nbytes;	1162	req->size = nbytes;
1020	req->int2 = flags;	1163	req->int2 = flags;
1021		1164
1022	REQ_SEND (req);	1165	REQ_SEND;
1023	}	1166	}
1024		1167
1025	void	1168	void
1026	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)
1027	PPCODE:	1170	PPCODE:
1028	{	1171	{
1029	int fd = s_fileno_croak (fh, 0);	1172	int fd = s_fileno_croak (fh, 0);
1030	dREQ;	1173	dREQ;
1031		1174
1032	req->type = EIO_FALLOCATE;	1175	req->type = EIO_FALLOCATE;
1033	req->sv1 = newSVsv (fh);	1176	req->sv1 = newSVsv (fh);
1034	req->int1 = fd;	1177	req->int1 = fd;
1035	req->int2 = mode;	1178	req->int2 = mode;
1036	req->offs = offset;	1179	req->offs = offset;
1037	req->size = len;	1180	req->size = len;
1038		1181
1039	REQ_SEND (req);	1182	REQ_SEND;
1040	}	1183	}
1041		1184
1042	void	1185	void
1043	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1186	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1044	PPCODE:	1187	PPCODE:
1045	{	1188	{
1046	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 */
1047	int fd = s_fileno_croak (fh, 0);	1190	int fd = s_fileno_croak (fh, 0);
1048	dREQ;	1191	dREQ;
1049		1192
1050	if (expect_false (close_fd < 0))	1193	if (expect_false (close_fd < 0))
1051	{	1194	{
1052	int pipefd [2];	1195	int pipefd [2];
…		…
1068	req->type = EIO_DUP2;	1211	req->type = EIO_DUP2;
1069	req->int1 = close_fd;	1212	req->int1 = close_fd;
1070	req->sv2 = newSVsv (fh);	1213	req->sv2 = newSVsv (fh);
1071	req->int2 = fd;	1214	req->int2 = fd;
1072		1215
1073	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;
1074	}	1233	}
1075		1234
1076	void	1235	void
1077	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)
1078	ALIAS:	1237	ALIAS:
…		…
1099	}	1258	}
1100	else	1259	else
1101	{	1260	{
1102	/* read: check type and grow scalar as necessary */	1261	/* read: check type and grow scalar as necessary */
1103	SvUPGRADE (data, SVt_PV);	1262	SvUPGRADE (data, SVt_PV);
		1263	if (SvLEN (data) >= SvCUR (data))
1104	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");
1105	}	1267	}
1106		1268
1107	{	1269	{
1108	dREQ;	1270	dREQ;
1109		1271
…		…
1125	REQ_SEND;	1287	REQ_SEND;
1126	}	1288	}
1127	}	1289	}
1128		1290
1129	void	1291	void
1130	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1292	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1131	ALIAS:	1293	ALIAS:
1132	aio_readlink = EIO_READLINK	1294	aio_readlink = EIO_READLINK
1133	aio_realpath = EIO_REALPATH	1295	aio_realpath = EIO_REALPATH
1134	PPCODE:	1296	PPCODE:
1135	{	1297	{
1136	dREQ;	1298	dREQ;
1137		1299
1138	req->type = ix;	1300	req->type = ix;
1139	req->sv1 = newSVsv (path);	1301	req_set_path1 (req, pathname);
1140	req->ptr1 = SvPVbyte_nolen (req->sv1);
1141		1302
1142	REQ_SEND;	1303	REQ_SEND;
1143	}	1304	}
1144		1305
1145	void	1306	void
1146	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)
1147	PPCODE:	1308	PPCODE:
1148	{	1309	{
1149	int ifd = s_fileno_croak (in_fh , 0);	1310	int ifd = s_fileno_croak (in_fh , 0);
1150	int ofd = s_fileno_croak (out_fh, 1);	1311	int ofd = s_fileno_croak (out_fh, 1);
1151	dREQ;	1312	dREQ;
1152		1313
1153	req->type = EIO_SENDFILE;	1314	req->type = EIO_SENDFILE;
1154	req->sv1 = newSVsv (out_fh);	1315	req->sv1 = newSVsv (out_fh);
1155	req->int1 = ofd;	1316	req->int1 = ofd;
…		…
1163		1324
1164	void	1325	void
1165	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)
1166	PPCODE:	1327	PPCODE:
1167	{	1328	{
1168	int fd = s_fileno_croak (fh, 0);	1329	int fd = s_fileno_croak (fh, 0);
1169	dREQ;	1330	dREQ;
1170		1331
1171	req->type = EIO_READAHEAD;	1332	req->type = EIO_READAHEAD;
1172	req->sv1 = newSVsv (fh);	1333	req->sv1 = newSVsv (fh);
1173	req->int1 = fd;	1334	req->int1 = fd;
…		…
1185	aio_statvfs = EIO_STATVFS	1346	aio_statvfs = EIO_STATVFS
1186	PPCODE:	1347	PPCODE:
1187	{	1348	{
1188	dREQ;	1349	dREQ;
1189		1350
1190	req->sv1 = newSVsv (fh_or_path);	1351	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1191
1192	if (SvPOK (req->sv1))
1193	{
1194	req->type = ix;
1195	req->ptr1 = SvPVbyte_nolen (req->sv1);
1196	}
1197	else
1198	{
1199	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1200	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201	}
1202		1352
1203	REQ_SEND;	1353	REQ_SEND;
1204	}	1354	}
1205		1355
1206	UV	1356	UV
…		…
1225	{	1375	{
1226	dREQ;	1376	dREQ;
1227		1377
1228	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1378	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1379	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230	req->sv1 = newSVsv (fh_or_path);	1380	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1231
1232	if (SvPOK (req->sv1))
1233	{
1234	req->type = EIO_UTIME;
1235	req->ptr1 = SvPVbyte_nolen (req->sv1);
1236	}
1237	else
1238	{
1239	req->type = EIO_FUTIME;
1240	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241	}
1242		1381
1243	REQ_SEND;	1382	REQ_SEND;
1244	}	1383	}
1245		1384
1246	void	1385	void
1247	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1386	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1248	PPCODE:	1387	PPCODE:
1249	{	1388	{
1250	dREQ;	1389	dREQ;
1251		1390
1252	req->sv1 = newSVsv (fh_or_path);
1253	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1391	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254		1392	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1255	if (SvPOK (req->sv1))
1256	{
1257	req->type = EIO_TRUNCATE;
1258	req->ptr1 = SvPVbyte_nolen (req->sv1);
1259	}
1260	else
1261	{
1262	req->type = EIO_FTRUNCATE;
1263	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1264	}
1265		1393
1266	REQ_SEND;	1394	REQ_SEND;
1267	}	1395	}
1268		1396
1269	void	1397	void
1270	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)
1271	ALIAS:
1272	aio_chmod = EIO_CHMOD
1273	aio_mkdir = EIO_MKDIR
1274	PPCODE:	1399	PPCODE:
1275	{	1400	{
1276	dREQ;	1401	dREQ;
1277		1402
1278	req->int2 = mode;	1403	req->int2 = mode;
1279	req->sv1 = newSVsv (fh_or_path);	1404	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1280
1281	if (SvPOK (req->sv1))
1282	{
1283	req->type = ix;
1284	req->ptr1 = SvPVbyte_nolen (req->sv1);
1285	}
1286	else
1287	{
1288	req->type = EIO_FCHMOD;
1289	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1290	}
1291		1405
1292	REQ_SEND;	1406	REQ_SEND;
1293	}	1407	}
1294		1408
1295	void	1409	void
…		…
1298	{	1412	{
1299	dREQ;	1413	dREQ;
1300		1414
1301	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1415	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1416	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303	req->sv1 = newSVsv (fh_or_path);	1417	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1304
1305	if (SvPOK (req->sv1))
1306	{
1307	req->type = EIO_CHOWN;
1308	req->ptr1 = SvPVbyte_nolen (req->sv1);
1309	}
1310	else
1311	{
1312	req->type = EIO_FCHOWN;
1313	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1314	}
1315		1418
1316	REQ_SEND;	1419	REQ_SEND;
1317	}	1420	}
1318		1421
1319	void	1422	void
…		…
1321	PPCODE:	1424	PPCODE:
1322	{	1425	{
1323	dREQ;	1426	dREQ;
1324		1427
1325	req->type = EIO_READDIR;	1428	req->type = EIO_READDIR;
1326	req->sv1 = newSVsv (pathname);
1327	req->ptr1 = SvPVbyte_nolen (req->sv1);
1328	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1429	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329		1430
1330	if (flags & EIO_READDIR_DENTS)	1431	if (flags & EIO_READDIR_DENTS)
1331	req->int1 |= EIO_READDIR_CUSTOM2;	1432	req->int1 |= EIO_READDIR_CUSTOM2;
1332		1433
		1434	req_set_path1 (req, pathname);
		1435
1333	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;
1334	}	1450	}
1335		1451
1336	void	1452	void
1337	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1453	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1338	ALIAS:	1454	ALIAS:
…		…
1342	PPCODE:	1458	PPCODE:
1343	{	1459	{
1344	dREQ;	1460	dREQ;
1345		1461
1346	req->type = ix;	1462	req->type = ix;
1347	req->sv1 = newSVsv (pathname);	1463	req_set_path1 (req, pathname);
1348	req->ptr1 = SvPVbyte_nolen (req->sv1);
1349		1464
1350	REQ_SEND;	1465	REQ_SEND;
1351	}	1466	}
1352		1467
1353	void	1468	void
…		…
1356	aio_link = EIO_LINK	1471	aio_link = EIO_LINK
1357	aio_symlink = EIO_SYMLINK	1472	aio_symlink = EIO_SYMLINK
1358	aio_rename = EIO_RENAME	1473	aio_rename = EIO_RENAME
1359	PPCODE:	1474	PPCODE:
1360	{	1475	{
		1476	eio_wd wd2 = 0;
1361	dREQ;	1477	dREQ;
1362		1478
1363	req->type = ix;	1479	req->type = ix;
1364	req->sv1 = newSVsv (oldpath);	1480	req_set_path1 (req, oldpath);
1365	req->ptr1 = SvPVbyte_nolen (req->sv1);	1481	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366	req->sv2 = newSVsv (newpath);	1482	req->int3 = (long)wd2;
1367	req->ptr2 = SvPVbyte_nolen (req->sv2);
1368		1483
1369	REQ_SEND;	1484	REQ_SEND;
1370	}	1485	}
1371		1486
1372	void	1487	void
…		…
1374	PPCODE:	1489	PPCODE:
1375	{	1490	{
1376	dREQ;	1491	dREQ;
1377		1492
1378	req->type = EIO_MKNOD;	1493	req->type = EIO_MKNOD;
1379	req->sv1 = newSVsv (pathname);
1380	req->ptr1 = SvPVbyte_nolen (req->sv1);
1381	req->int2 = (mode_t)mode;	1494	req->int2 = (mode_t)mode;
1382	req->offs = dev;	1495	req->offs = dev;
		1496	req_set_path1 (req, pathname);
1383		1497
1384	REQ_SEND;	1498	REQ_SEND;
1385	}	1499	}
1386		1500
1387	void	1501	void
…		…
1454		1568
1455	req->type = EIO_MLOCKALL;	1569	req->type = EIO_MLOCKALL;
1456	req->int1 = flags;	1570	req->int1 = flags;
1457		1571
1458	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;
1459	}	1596	}
1460		1597
1461	void	1598	void
1462	aio_busy (double delay, SV *callback=&PL_sv_undef)	1599	aio_busy (double delay, SV *callback=&PL_sv_undef)
1463	PPCODE:	1600	PPCODE:
…		…
1587	CODE:	1724	CODE:
1588	RETVAL = posix_fadvise (fh, offset, length, advice);	1725	RETVAL = posix_fadvise (fh, offset, length, advice);
1589	OUTPUT:	1726	OUTPUT:
1590	RETVAL	1727	RETVAL
1591		1728
1592	ssize_t	1729	IV
1593	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1730	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594	CODE:	1731	CODE:
1595	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1732	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596	OUTPUT:	1733	OUTPUT:
1597	RETVAL	1734	RETVAL
1598		1735
1599	void	1736	void
1600	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)
1601	PPCODE:	1738	PPCODE:
1602	sv_unmagic (scalar, MMAP_MAGIC);	1739	sv_unmagic (scalar, MMAP_MAGIC);
1603	{	1740	{
1604	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;
1605	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1742	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1638	ALIAS:	1775	ALIAS:
1639	mprotect = 1	1776	mprotect = 1
1640	CODE:	1777	CODE:
1641	{	1778	{
1642	STRLEN svlen;	1779	STRLEN svlen;
1643	void *addr = SvPVbyte (scalar, svlen);	1780	void *addr = SvPVbyte (scalar, svlen);
1644	size_t len = SvUV (length);	1781	size_t len = SvUV (length);
1645		1782
1646	if (offset < 0)	1783	if (offset < 0)
1647	offset += svlen;	1784	offset += svlen;
1648		1785
…		…
1667	int	1804	int
1668	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)
1669	CODE:	1806	CODE:
1670	{	1807	{
1671	STRLEN svlen;	1808	STRLEN svlen;
1672	void *addr = SvPVbyte (scalar, svlen);	1809	void *addr = SvPVbyte (scalar, svlen);
1673	size_t len = SvUV (length);	1810	size_t len = SvUV (length);
1674		1811
1675	if (offset < 0)	1812	if (offset < 0)
1676	offset += svlen;	1813	offset += svlen;
1677		1814
…		…
1684	addr = (void *)(((intptr_t)addr) + offset);	1821	addr = (void *)(((intptr_t)addr) + offset);
1685	eio_page_align (&addr, &len);	1822	eio_page_align (&addr, &len);
1686	#if _POSIX_MEMLOCK_RANGE	1823	#if _POSIX_MEMLOCK_RANGE
1687	RETVAL = munlock (addr, len);	1824	RETVAL = munlock (addr, len);
1688	#else	1825	#else
1689	RETVAL = ((errno = ENOSYS), -1);	1826	RETVAL = EIO_ENOSYS ();
1690	#endif	1827	#endif
1691	}	1828	}
1692	OUTPUT:	1829	OUTPUT:
1693	RETVAL	1830	RETVAL
1694		1831
…		…
1696	munlockall ()	1833	munlockall ()
1697	CODE:	1834	CODE:
1698	#if _POSIX_MEMLOCK	1835	#if _POSIX_MEMLOCK
1699	munlockall ();	1836	munlockall ();
1700	#else	1837	#else
1701	RETVAL = -1;	1838	RETVAL = EIO_ENOSYS ();
1702	errno = ENOSYS;
1703	#endif	1839	#endif
1704	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:
1705	RETVAL	1870	RETVAL
1706		1871
1707	void _on_next_submit (SV *cb)	1872	void _on_next_submit (SV *cb)
1708	CODE:	1873	CODE:
1709	SvREFCNT_dec (on_next_submit);	1874	SvREFCNT_dec (on_next_submit);
1710	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1875	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711		1876
1712	PROTOTYPES: DISABLE	1877	PROTOTYPES: DISABLE
1713		1878
		1879	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1880
		1881	BOOT:
		1882	{
		1883	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1884	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1885	}
		1886
		1887	void
		1888	DESTROY (SV *self)
		1889	CODE:
		1890	{
		1891	aio_wd wd = SvAIO_WD (self);
		1892	#if HAVE_AT
		1893	{
		1894	SV *callback = &PL_sv_undef;
		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 */
		1898	req->type = EIO_WD_CLOSE;
		1899	req->wd = wd;
		1900	REQ_SEND;
		1901	}
		1902	#else
		1903	eio_wd_close_sync (wd);
		1904	#endif
		1905	}
		1906
1714	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1907	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715		1908
1716	void	1909	void
1717	cancel (aio_req_ornot req)	1910	cancel (aio_req_ornot req)
1718	CODE:	1911	CODE:

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