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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.190 by root, Mon Jul 18 02:02:26 2011 UTC vs.
Revision 1.226 by root, Sun Jan 6 11:48:14 2013 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
…		…
102		103
103	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
106		107
107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108		109
109	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
110	SV *callback; \	111	SV *callback; \
111	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
112	STRLEN stroffset; \	114	STRLEN stroffset; \
113	SV *self;	115	SV *self;
114		116
115	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
116		118
…		…
122	static void req_destroy (eio_req *grp);	124	static void req_destroy (eio_req *grp);
123	#define EIO_DESTROY(req) req_destroy (req)	125	#define EIO_DESTROY(req) req_destroy (req)
124		126
125	#include "libeio/eio.c"	127	#include "libeio/eio.c"
126		128
127	/* Linux/others */
128	#ifndef O_ASYNC
129	# define O_ASYNC 0
130	#endif
131	#ifndef O_DIRECT
132	# define O_DIRECT 0
133	#endif
134	#ifndef O_NOATIME
135	# define O_NOATIME 0
136	#endif
137
138	/* POSIX */
139	#ifndef O_CLOEXEC
140	# define O_CLOEXEC 0
141	#endif
142	#ifndef O_NOFOLLOW
143	# define O_NOFOLLOW 0
144	#endif
145	#ifndef O_NOCTTY
146	# define O_NOCTTY 0
147	#endif
148	#ifndef O_NONBLOCK
149	# define O_NONBLOCK 0
150	#endif
151	#ifndef O_EXEC
152	# define O_EXEC 0
153	#endif
154	#ifndef O_SEARCH
155	# define O_SEARCH 0
156	#endif
157	#ifndef O_DIRECTORY
158	# define O_DIRECTORY 0
159	#endif
160	#ifndef O_DSYNC
161	# define O_DSYNC 0
162	#endif
163	#ifndef O_RSYNC
164	# define O_RSYNC 0
165	#endif
166	#ifndef O_SYNC
167	# define O_SYNC 0
168	#endif
169	#ifndef O_TTY_INIT
170	# define O_TTY_INIT 0
171	#endif
172
173	#ifndef POSIX_FADV_NORMAL
174	# define POSIX_FADV_NORMAL 0
175	#endif
176	#ifndef POSIX_FADV_SEQUENTIAL
177	# define POSIX_FADV_SEQUENTIAL 0
178	#endif
179	#ifndef POSIX_FADV_RANDOM
180	# define POSIX_FADV_RANDOM 0
181	#endif
182	#ifndef POSIX_FADV_NOREUSE
183	# define POSIX_FADV_NOREUSE 0
184	#endif
185	#ifndef POSIX_FADV_WILLNEED
186	# define POSIX_FADV_WILLNEED 0
187	#endif
188	#ifndef POSIX_FADV_DONTNEED
189	# define POSIX_FADV_DONTNEED 0
190	#endif
191
192	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
193	# 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 */
194	#endif	131	#endif
195		132
196	#ifndef POSIX_MADV_NORMAL
197	# define POSIX_MADV_NORMAL 0
198	#endif
199	#ifndef POSIX_MADV_SEQUENTIAL
200	# define POSIX_MADV_SEQUENTIAL 0
201	#endif
202	#ifndef POSIX_MADV_RANDOM
203	# define POSIX_MADV_RANDOM 0
204	#endif
205	#ifndef POSIX_MADV_WILLNEED
206	# define POSIX_MADV_WILLNEED 0
207	#endif
208	#ifndef POSIX_MADV_DONTNEED
209	# define POSIX_MADV_DONTNEED 0
210	#endif
211
212	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
213	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
214	#endif
215
216	#ifndef PROT_NONE
217	# define PROT_NONE 0
218	#endif
219	#ifndef PROT_READ
220	# define PROT_READ 0
221	#endif
222	#ifndef PROT_WRITE
223	# define PROT_READ 0
224	#endif
225	#ifndef PROT_EXEC
226	# define PROT_EXEC 0
227	#endif
228
229	#ifndef ST_RDONLY
230	# define ST_RDONLY 0
231	#endif
232	#ifndef ST_NOSUID
233	# define ST_NOSUID 0
234	#endif
235	#ifndef ST_NODEV
236	# define ST_NODEV 0
237	#endif
238	#ifndef ST_NOEXEC
239	# define ST_NOEXEC 0
240	#endif
241	#ifndef ST_SYNCHRONOUS
242	# define ST_SYNCHRONOUS 0
243	#endif
244	#ifndef ST_MANDLOCK
245	# define ST_MANDLOCK 0
246	#endif
247	#ifndef ST_WRITE
248	# define ST_WRITE 0
249	#endif
250	#ifndef ST_APPEND
251	# define ST_APPEND 0
252	#endif
253	#ifndef ST_IMMUTABLE
254	# define ST_IMMUTABLE 0
255	#endif
256	#ifndef ST_NOATIME
257	# define ST_NOATIME 0
258	#endif
259	#ifndef ST_NODIRATIME
260	# define ST_NODIRATIME 0
261	#endif
262	#ifndef ST_RELATIME
263	# define ST_RELATIME 0
264	#endif
265
266	#ifndef S_IFIFO
267	# define S_IFIFO 0
268	#endif
269	#ifndef S_IFCHR
270	# define S_IFCHR 0
271	#endif
272	#ifndef S_IFBLK
273	# define S_IFBLK 0
274	#endif
275	#ifndef S_IFLNK
276	# define S_IFLNK 0
277	#endif
278	#ifndef S_IFREG
279	# define S_IFREG 0
280	#endif
281	#ifndef S_IFDIR
282	# define S_IFDIR 0
283	#endif
284	#ifndef S_IFWHT
285	# define S_IFWHT 0
286	#endif
287	#ifndef S_IFSOCK
288	# define S_IFSOCK 0
289	#endif	135	#endif
290		136
291	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
292	# ifdef MAP_ANON	138	# ifdef MAP_ANON
293	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
294	# else	140	# else
295	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
296	# endif	142	# endif
297	#endif	143	#endif
298	#ifndef MAP_HUGETLB	144
299	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
300	#endif	146	#include "def0.h"
301	#ifndef MAP_LOCKED
302	# define MAP_LOCKED 0
303	#endif
304	#ifndef MAP_NORESERVE
305	# define MAP_NORESERVE 0
306	#endif
307	#ifndef MAP_POPULATE
308	# define MAP_POPULATE 0
309	#endif
310	#ifndef MAP_NONBLOCK
311	# define MAP_NONBLOCK 0
312	#endif
313		147
314	#ifndef makedev	148	#ifndef makedev
315	# define makedev(maj,min) (((maj) << 8) | (min))	149	# define makedev(maj,min) (((maj) << 8) | (min))
316	#endif	150	#endif
317	#ifndef major	151	#ifndef major
…		…
319	#endif	153	#endif
320	#ifndef minor	154	#ifndef minor
321	# define minor(dev) ((dev) & 0xff)	155	# define minor(dev) ((dev) & 0xff)
322	#endif	156	#endif
323		157
324	#ifndef PAGESIZE	158	#if PAGESIZE <= 0
325	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
326	#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 (actually 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	if (!incmap->fm_mapped_extents)
		227	goto done;
		228
		229	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		230	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		231	errno = ENOMEM;
		232	if (!fiemap)
		233	return;
		234
		235	req->ptr1 = fiemap;
		236
		237	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		238	{
		239	struct fiemap_extent *e = incmap->fm_extents + count;
		240
		241	if (e->fe_logical + e->fe_length >= end_offset)
		242	goto done;
		243
		244	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		245
		246	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		247	goto done;
		248
		249	}
		250	}
		251
		252	done:
		253	req->result = 0;
		254
		255	#else
		256	errno = ENOSYS;
		257	#endif
		258	}
		259
		260	/*****************************************************************************/
327		261
328	enum {	262	enum {
329	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	263	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
330	};	264	};
331		265
332	typedef eio_req *aio_req;	266	typedef eio_req *aio_req;
333	typedef eio_req *aio_req_ornot;	267	typedef eio_req *aio_req_ornot;
		268	typedef eio_wd aio_wd;
334		269
335	static SV *on_next_submit;	270	static SV *on_next_submit;
336	static int next_pri = EIO_PRI_DEFAULT;	271	static int next_pri = EIO_PRI_DEFAULT;
337	static int max_outstanding;	272	static int max_outstanding;
338		273
339	static s_epipe respipe;	274	static s_epipe respipe;
340		275
341	static void req_destroy (aio_req req);	276	static void req_destroy (aio_req req);
342	static void req_cancel (aio_req req);	277	static void req_cancel (aio_req req);
343		278
344	static void want_poll (void)	279	static void
		280	want_poll (void)
345	{	281	{
346	/* write a dummy byte to the pipe so fh becomes ready */	282	/* write a dummy byte to the pipe so fh becomes ready */
347	s_epipe_signal (&respipe);	283	s_epipe_signal (&respipe);
348	}	284	}
349		285
350	static void done_poll (void)	286	static void
		287	done_poll (void)
351	{	288	{
352	/* read any signals sent by the worker threads */	289	/* read any signals sent by the worker threads */
353	s_epipe_drain (&respipe);	290	s_epipe_drain (&respipe);
354	}	291	}
355		292
356	/* must be called at most once */	293	/* must be called at most once */
		294	static SV *
357	static SV *req_sv (aio_req req, HV *stash)	295	req_sv (aio_req req, HV *stash)
358	{	296	{
359	if (!req->self)	297	if (!req->self)
360	{	298	{
361	req->self = (SV *)newHV ();	299	req->self = (SV *)newHV ();
362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	300	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363	}	301	}
364		302
365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	303	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366	}	304	}
367		305
368	static aio_req SvAIO_REQ (SV *sv)	306	static SV *
		307	newSVaio_wd (aio_wd wd)
		308	{
		309	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		310	}
		311
		312	static aio_req
		313	SvAIO_REQ (SV *sv)
369	{	314	{
370	MAGIC *mg;	315	MAGIC *mg;
371		316
372	if (!SvROK (sv)	317	if (!SvROK (sv)
		318	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	319	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
374	&& SvSTASH (SvRV (sv)) != aio_req_stash	320	&& SvSTASH (SvRV (sv)) != aio_req_stash
375	&& !sv_derived_from (sv, "IO::AIO::REQ")))	321	&& !sv_derived_from (sv, "IO::AIO::REQ")))
376	croak ("object of class IO::AIO::REQ expected");	322	croak ("object of class IO::AIO::REQ expected");
377		323
378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	324	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379		325
380	return mg ? (aio_req)mg->mg_ptr : 0;	326	return mg ? (aio_req)mg->mg_ptr : 0;
381	}	327	}
382		328
		329	static aio_wd
		330	SvAIO_WD (SV *sv)
		331	{
		332	if (!SvROK (sv)
		333	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		334	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		335	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		336
		337	return (aio_wd)(long)SvIVX (SvRV (sv));
		338	}
		339
		340	static void
383	static void aio_grp_feed (aio_req grp)	341	aio_grp_feed (aio_req grp)
384	{	342	{
385	if (grp->sv2 && SvOK (grp->sv2))	343	if (grp->sv2 && SvOK (grp->sv2))
386	{	344	{
387	dSP;	345	dSP;
388		346
…		…
396	FREETMPS;	354	FREETMPS;
397	LEAVE;	355	LEAVE;
398	}	356	}
399	}	357	}
400		358
		359	static void
401	static void req_submit (eio_req *req)	360	req_submit (eio_req *req)
402	{	361	{
403	eio_submit (req);	362	eio_submit (req);
404		363
405	if (expect_false (on_next_submit))	364	if (expect_false (on_next_submit))
406	{	365	{
…		…
413	PUTBACK;	372	PUTBACK;
414	call_sv (cb, G_DISCARD | G_EVAL);	373	call_sv (cb, G_DISCARD | G_EVAL);
415	}	374	}
416	}	375	}
417		376
		377	static int
418	static int req_invoke (eio_req *req)	378	req_invoke (eio_req *req)
419	{	379	{
420	if (req->flags & FLAG_SV2_RO_OFF)	380	if (req->flags & FLAG_SV2_RO_OFF)
421	SvREADONLY_off (req->sv2);	381	SvREADONLY_off (req->sv2);
422		382
423	if (!EIO_CANCELLED (req) && req->callback)	383	if (!EIO_CANCELLED (req) && req->callback)
…		…
444	SvREADONLY_on (sv_result);	404	SvREADONLY_on (sv_result);
445	}	405	}
446		406
447	switch (req->type)	407	switch (req->type)
448	{	408	{
		409	case EIO_WD_OPEN:
		410	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		411	break;
		412
449	case EIO_READDIR:	413	case EIO_READDIR:
450	{	414	{
451	SV *rv = &PL_sv_undef;	415	SV *rv = &PL_sv_undef;
452		416
453	if (req->result >= 0)	417	if (req->result >= 0)
…		…
546	#ifndef _WIN32	510	#ifndef _WIN32
547	if (req->result >= 0)	511	if (req->result >= 0)
548	{	512	{
549	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	513	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
550	HV *hv = newHV ();	514	HV *hv = newHV ();
		515	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		516	* chooses to make it a struct.
		517	*/
		518	unsigned long fsid = 0;
		519	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
551		520
552	rv = sv_2mortal (newRV_noinc ((SV *)hv));	521	rv = sv_2mortal (newRV_noinc ((SV *)hv));
553		522
554	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	523	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
555	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	524	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
557	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	526	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
558	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	527	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
559	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	528	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
560	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	529	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
561	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	530	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
562	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	531	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
563	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	532	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
564	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	533	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
565	}	534	}
566	#endif	535	#endif
567		536
…		…
595	break;	564	break;
596		565
597	case EIO_STAT:	566	case EIO_STAT:
598	case EIO_LSTAT:	567	case EIO_LSTAT:
599	case EIO_FSTAT:	568	case EIO_FSTAT:
600	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	569	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		570
601	PL_laststatval = req->result;	571	if (!(PL_laststatval = req->result))
602	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	572	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
603	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	573	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		574
604	PUSHs (sv_result);	575	PUSHs (sv_result);
		576	break;
		577
		578	case EIO_SEEK:
		579	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
605	break;	580	break;
606		581
607	case EIO_READ:	582	case EIO_READ:
608	{	583	{
609	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	584	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
612	SvSETMAGIC (req->sv2);	587	SvSETMAGIC (req->sv2);
613	PUSHs (sv_result);	588	PUSHs (sv_result);
614	}	589	}
615	break;	590	break;
616		591
		592	case EIO_CUSTOM:
		593	if (req->feed == fiemap)
		594	{
		595	#if HAVE_FIEMAP
		596	if (!req->result)
		597	{
		598	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		599
		600	if (fiemap->fm_extent_count)
		601	{
		602	AV *av = newAV ();
		603	int i;
		604
		605	while (fiemap->fm_mapped_extents)
		606	{
		607	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		608	AV *ext_av = newAV ();
		609
		610	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		611	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		612	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		613	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		614
		615	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		616	}
		617
		618	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		619	}
		620	else
		621	{
		622	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		623	PUSHs (sv_result);
		624	}
		625	}
		626	#endif
		627	}
		628	else
		629	PUSHs (sv_result);
		630	break;
		631
617	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	632	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
618	if (req->result > 0)	633	if (req->result > 0)
619	SvIV_set (sv_result, 0);	634	SvIV_set (sv_result, 0);
620	/* FALLTHROUGH */	635	/* FALLTHROUGH */
621		636
…		…
642	}	657	}
643		658
644	return !!SvTRUE (ERRSV);	659	return !!SvTRUE (ERRSV);
645	}	660	}
646		661
		662	static void
647	static void req_destroy (aio_req req)	663	req_destroy (aio_req req)
648	{	664	{
649	if (req->self)	665	if (req->self)
650	{	666	{
651	sv_unmagic (req->self, PERL_MAGIC_ext);	667	sv_unmagic (req->self, PERL_MAGIC_ext);
652	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
653	}	669	}
654		670
655	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
656	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
657	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
658		676
659	Safefree (req);	677	free (req);
660	}	678	}
661		679
		680	static void
662	static void req_cancel_subs (aio_req grp)	681	req_cancel_subs (aio_req grp)
663	{	682	{
664	if (grp->type != EIO_GROUP)	683	if (grp->type != EIO_GROUP)
665	return;	684	return;
666		685
667	SvREFCNT_dec (grp->sv2);	686	SvREFCNT_dec (grp->sv2);
668	grp->sv2 = 0;	687	grp->sv2 = 0;
669		688
670	eio_grp_cancel (grp);	689	eio_grp_cancel (grp);
671	}	690	}
672		691
		692	static void ecb_cold
673	static void create_respipe (void)	693	create_respipe (void)
674	{	694	{
675	if (s_epipe_renew (&respipe))	695	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	696	croak ("IO::AIO: unable to initialize result pipe");
677	}	697	}
678		698
679	static void poll_wait (void)	699	static void
		700	poll_wait (void)
680	{	701	{
681	while (eio_nreqs ())	702	while (eio_nreqs ())
682	{	703	{
683	int size;	704	int size;
684		705
…		…
693		714
694	s_epipe_wait (&respipe);	715	s_epipe_wait (&respipe);
695	}	716	}
696	}	717	}
697		718
698	static int poll_cb (void)	719	static int
		720	poll_cb (void)
699	{	721	{
700	for (;;)	722	for (;;)
701	{	723	{
702	int res = eio_poll ();	724	int res = eio_poll ();
703		725
…		…
721	}	743	}
722		744
723	/*****************************************************************************/	745	/*****************************************************************************/
724		746
725	#if !_POSIX_MAPPED_FILES	747	#if !_POSIX_MAPPED_FILES
726	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	748	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
727	# define munmap(addr,length) (errno = ENOSYS, -1)	749	# define munmap(addr,length) EIO_ENOSYS ()
728	#endif	750	#endif
729		751
730	#if !_POSIX_MEMORY_PROTECTION	752	#if !_POSIX_MEMORY_PROTECTION
731	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	753	# define mprotect(addr,len,prot) EIO_ENOSYS ()
732	# define PROT_NONE 0	754	# define PROT_NONE 0
733	# define PROT_WRITE 0	755	# define PROT_WRITE 0
734	# define MAP_PRIVATE 0	756	# define MAP_PRIVATE 0
735	# define MAP_SHARED 0	757	# define MAP_SHARED 0
736	# define MAP_FIXED 0	758	# define MAP_FIXED 0
737	#endif	759	#endif
738		760
739	#define MMAP_MAGIC PERL_MAGIC_ext	761	#define MMAP_MAGIC PERL_MAGIC_ext
740		762
		763	static int ecb_cold
741	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	764	mmap_free (pTHX_ SV *sv, MAGIC *mg)
742	{	765	{
743	int old_errno = errno;	766	int old_errno = errno;
744	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	767	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
745	errno = old_errno;	768	errno = old_errno;
746		769
…		…
762	0, 0, 0, 0, mmap_free	785	0, 0, 0, 0, mmap_free
763	};	786	};
764		787
765	/*****************************************************************************/	788	/*****************************************************************************/
766		789
		790	static SV *
767	static SV * get_cb (SV *cb_sv)	791	get_cb (SV *cb_sv)
768	{	792	{
769	SvGETMAGIC (cb_sv);	793	SvGETMAGIC (cb_sv);
770	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
771	}	795	}
772		796
		797	static aio_req ecb_noinline
		798	dreq (SV *callback)
		799	{
		800	SV *cb_cv;
		801	aio_req req;
		802	int req_pri = next_pri;
		803	next_pri = EIO_PRI_DEFAULT;
		804
		805	cb_cv = get_cb (callback);
		806
		807	req = calloc (sizeof (*req), 1);
		808	if (!req)
		809	croak ("out of memory during eio_req allocation");
		810
		811	req->callback = SvREFCNT_inc (cb_cv);
		812	req->pri = req_pri;
		813
		814	return req;
		815	}
		816
773	#define dREQ \	817	#define dREQ \
774	SV *cb_cv; \	818	aio_req req = dreq (callback); \
775	aio_req req; \
776	int req_pri = next_pri; \
777	next_pri = EIO_PRI_DEFAULT; \
778	\
779	cb_cv = get_cb (callback); \
780	\
781	Newz (0, req, 1, eio_req); \
782	if (!req) \
783	croak ("out of memory during eio_req allocation"); \
784	\
785	req->callback = SvREFCNT_inc (cb_cv); \
786	req->pri = req_pri
787		819
788	#define REQ_SEND \	820	#define REQ_SEND \
789	PUTBACK; \	821	PUTBACK; \
790	req_submit (req); \	822	req_submit (req); \
791	SPAGAIN; \	823	SPAGAIN; \
792	\	824	\
793	if (GIMME_V != G_VOID) \	825	if (GIMME_V != G_VOID) \
794	XPUSHs (req_sv (req, aio_req_stash));	826	XPUSHs (req_sv (req, aio_req_stash));
795		827
		828	ecb_inline void
		829	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		830	{
		831	if (expect_false (SvROK (path)))
		832	{
		833	SV *rv = SvRV (path);
		834	SV *wdob;
		835
		836	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		837	{
		838	path = AvARRAY (rv)[1];
		839	wdob = AvARRAY (rv)[0];
		840
		841	if (SvOK (wdob))
		842	{
		843	*wd = SvAIO_WD (wdob);
		844	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		845	}
		846	else
		847	*wd = EIO_INVALID_WD;
		848	}
		849	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		850	{
		851	*wd = (aio_wd)(long)SvIVX (rv);
		852	*wdsv = SvREFCNT_inc_NN (rv);
		853	*ptr = ".";
		854	return; /* path set to "." */
		855	}
		856	else
		857	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		858	}
		859
		860	*pathsv = newSVsv (path);
		861	*ptr = SvPVbyte_nolen (*pathsv);
		862	}
		863
		864	static void ecb_noinline
		865	req_set_path1 (aio_req req, SV *path)
		866	{
		867	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		868	}
		869
		870	static void ecb_noinline
		871	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		872	{
		873	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		874
		875	switch (SvTYPE (rv))
		876	{
		877	case SVt_PVIO:
		878	case SVt_PVLV:
		879	case SVt_PVGV:
		880	req->type = type_fh;
		881	req->sv1 = newSVsv (fh_or_path);
		882	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		883	break;
		884
		885	default:
		886	req->type = type_path;
		887	req_set_path1 (req, fh_or_path);
		888	break;
		889	}
		890	}
		891
		892	XS(boot_IO__AIO) ecb_cold;
		893
796	MODULE = IO::AIO PACKAGE = IO::AIO	894	MODULE = IO::AIO PACKAGE = IO::AIO
797		895
798	PROTOTYPES: ENABLE	896	PROTOTYPES: ENABLE
799		897
800	BOOT:	898	BOOT:
…		…
804	IV iv;	902	IV iv;
805	} *civ, const_iv[] = {	903	} *civ, const_iv[] = {
806	# define const_niv(name, value) { # name, (IV) value },	904	# define const_niv(name, value) { # name, (IV) value },
807	# define const_iv(name) { # name, (IV) name },	905	# define const_iv(name) { # name, (IV) name },
808	# define const_eio(name) { # name, (IV) EIO_ ## name },	906	# define const_eio(name) { # name, (IV) EIO_ ## name },
		907
		908	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		909
		910	const_iv (ENOSYS)
809	const_iv (EXDEV)	911	const_iv (EXDEV)
810	const_iv (ENOSYS)	912	const_iv (EBADR)
		913
811	const_iv (O_RDONLY)	914	const_iv (O_RDONLY)
812	const_iv (O_WRONLY)	915	const_iv (O_WRONLY)
813	const_iv (O_RDWR)	916	const_iv (O_RDWR)
814	const_iv (O_CREAT)	917	const_iv (O_CREAT)
815	const_iv (O_TRUNC)	918	const_iv (O_TRUNC)
…		…
883	const_iv (MAP_LOCKED)	986	const_iv (MAP_LOCKED)
884	const_iv (MAP_NORESERVE)	987	const_iv (MAP_NORESERVE)
885	const_iv (MAP_POPULATE)	988	const_iv (MAP_POPULATE)
886	const_iv (MAP_NONBLOCK)	989	const_iv (MAP_NONBLOCK)
887		990
		991	const_iv (FIEMAP_FLAG_SYNC)
		992	const_iv (FIEMAP_FLAG_XATTR)
		993	const_iv (FIEMAP_FLAGS_COMPAT)
		994	const_iv (FIEMAP_EXTENT_LAST)
		995	const_iv (FIEMAP_EXTENT_UNKNOWN)
		996	const_iv (FIEMAP_EXTENT_DELALLOC)
		997	const_iv (FIEMAP_EXTENT_ENCODED)
		998	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		999	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1000	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1001	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1002	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1003	const_iv (FIEMAP_EXTENT_MERGED)
		1004	const_iv (FIEMAP_EXTENT_SHARED)
		1005
		1006	const_iv (SPLICE_F_MOVE)
		1007	const_iv (SPLICE_F_NONBLOCK)
		1008	const_iv (SPLICE_F_MORE)
		1009	const_iv (SPLICE_F_GIFT)
		1010
		1011	const_iv (SEEK_DATA)
		1012	const_iv (SEEK_HOLE)
		1013
		1014	/* libeio constants */
		1015	const_eio (SEEK_SET)
		1016	const_eio (SEEK_CUR)
		1017	const_eio (SEEK_END)
		1018
888	const_eio (MCL_FUTURE)	1019	const_eio (MCL_FUTURE)
889	const_eio (MCL_CURRENT)	1020	const_eio (MCL_CURRENT)
890		1021
891	const_eio (MS_ASYNC)	1022	const_eio (MS_ASYNC)
892	const_eio (MS_INVALIDATE)	1023	const_eio (MS_INVALIDATE)
…		…
897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1028	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
898	const_eio (SYNC_FILE_RANGE_WRITE)	1029	const_eio (SYNC_FILE_RANGE_WRITE)
899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
900		1031
901	const_eio (FALLOC_FL_KEEP_SIZE)	1032	const_eio (FALLOC_FL_KEEP_SIZE)
		1033	const_eio (FALLOC_FL_PUNCH_HOLE)
902		1034
903	const_eio (READDIR_DENTS)	1035	const_eio (READDIR_DENTS)
904	const_eio (READDIR_DIRS_FIRST)	1036	const_eio (READDIR_DIRS_FIRST)
905	const_eio (READDIR_STAT_ORDER)	1037	const_eio (READDIR_STAT_ORDER)
906	const_eio (READDIR_FOUND_UNKNOWN)	1038	const_eio (READDIR_FOUND_UNKNOWN)
…		…
917	};	1049	};
918		1050
919	aio_stash = gv_stashpv ("IO::AIO" , 1);	1051	aio_stash = gv_stashpv ("IO::AIO" , 1);
920	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1052	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
921	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1053	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1054	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
922		1055
923	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1056	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
924	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1057	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
925		1058
926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1059	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
927		1060
928	reinit ();	1061	reinit ();
929	}	1062	}
930		1063
931	void	1064	void
932	reinit ()	1065	reinit ()
933	PROTOTYPE:	1066	PROTOTYPE:
934	CODE:
935	reinit ();
936		1067
937	void	1068	void
938	max_poll_reqs (unsigned int nreqs)	1069	max_poll_reqs (unsigned int nreqs)
939	PROTOTYPE: $	1070	PROTOTYPE: $
940	CODE:	1071	CODE:
…		…
975	PROTOTYPE: $	1106	PROTOTYPE: $
976	CODE:	1107	CODE:
977	max_outstanding = maxreqs;	1108	max_outstanding = maxreqs;
978		1109
979	void	1110	void
		1111	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1112	PPCODE:
		1113	{
		1114	dREQ;
		1115
		1116	req->type = EIO_WD_OPEN;
		1117	req_set_path1 (req, pathname);
		1118
		1119	REQ_SEND;
		1120	}
		1121
		1122	void
980	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1123	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
981	PPCODE:	1124	PPCODE:
982	{	1125	{
983	dREQ;	1126	dREQ;
984		1127
985	req->type = EIO_OPEN;	1128	req->type = EIO_OPEN;
986	req->sv1 = newSVsv (pathname);	1129	req_set_path1 (req, pathname);
987	req->ptr1 = SvPVbyte_nolen (req->sv1);
988	req->int1 = flags;	1130	req->int1 = flags;
989	req->int2 = mode;	1131	req->int2 = mode;
990		1132
991	REQ_SEND;	1133	REQ_SEND;
992	}	1134	}
…		…
994	void	1136	void
995	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1137	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
996	ALIAS:	1138	ALIAS:
997	aio_fsync = EIO_FSYNC	1139	aio_fsync = EIO_FSYNC
998	aio_fdatasync = EIO_FDATASYNC	1140	aio_fdatasync = EIO_FDATASYNC
		1141	aio_syncfs = EIO_SYNCFS
999	PPCODE:	1142	PPCODE:
1000	{	1143	{
1001	int fd = s_fileno_croak (fh, 0);	1144	int fd = s_fileno_croak (fh, 0);
1002	dREQ;	1145	dREQ;
1003		1146
1004	req->type = ix;	1147	req->type = ix;
1005	req->sv1 = newSVsv (fh);	1148	req->sv1 = newSVsv (fh);
1006	req->int1 = fd;	1149	req->int1 = fd;
1007		1150
1008	REQ_SEND (req);	1151	REQ_SEND;
1009	}	1152	}
1010		1153
1011	void	1154	void
1012	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1155	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1013	PPCODE:	1156	PPCODE:
1014	{	1157	{
1015	int fd = s_fileno_croak (fh, 0);	1158	int fd = s_fileno_croak (fh, 0);
1016	dREQ;	1159	dREQ;
1017		1160
1018	req->type = EIO_SYNC_FILE_RANGE;	1161	req->type = EIO_SYNC_FILE_RANGE;
1019	req->sv1 = newSVsv (fh);	1162	req->sv1 = newSVsv (fh);
1020	req->int1 = fd;	1163	req->int1 = fd;
1021	req->offs = offset;	1164	req->offs = offset;
1022	req->size = nbytes;	1165	req->size = nbytes;
1023	req->int2 = flags;	1166	req->int2 = flags;
1024		1167
1025	REQ_SEND (req);	1168	REQ_SEND;
1026	}	1169	}
1027		1170
1028	void	1171	void
1029	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1172	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1030	PPCODE:	1173	PPCODE:
1031	{	1174	{
1032	int fd = s_fileno_croak (fh, 0);	1175	int fd = s_fileno_croak (fh, 0);
1033	dREQ;	1176	dREQ;
1034		1177
1035	req->type = EIO_FALLOCATE;	1178	req->type = EIO_FALLOCATE;
1036	req->sv1 = newSVsv (fh);	1179	req->sv1 = newSVsv (fh);
1037	req->int1 = fd;	1180	req->int1 = fd;
1038	req->int2 = mode;	1181	req->int2 = mode;
1039	req->offs = offset;	1182	req->offs = offset;
1040	req->size = len;	1183	req->size = len;
1041		1184
1042	REQ_SEND (req);	1185	REQ_SEND;
1043	}	1186	}
1044		1187
1045	void	1188	void
1046	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1189	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1047	PPCODE:	1190	PPCODE:
1048	{	1191	{
1049	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1192	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1050	int fd = s_fileno_croak (fh, 0);	1193	int fd = s_fileno_croak (fh, 0);
1051	dREQ;	1194	dREQ;
1052		1195
1053	if (expect_false (close_fd < 0))	1196	if (expect_false (close_fd < 0))
1054	{	1197	{
1055	int pipefd [2];	1198	int pipefd [2];
…		…
1071	req->type = EIO_DUP2;	1214	req->type = EIO_DUP2;
1072	req->int1 = close_fd;	1215	req->int1 = close_fd;
1073	req->sv2 = newSVsv (fh);	1216	req->sv2 = newSVsv (fh);
1074	req->int2 = fd;	1217	req->int2 = fd;
1075		1218
1076	REQ_SEND (req);	1219	REQ_SEND;
		1220	}
		1221
		1222	void
		1223	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1224	PPCODE:
		1225	{
		1226	int fd = s_fileno_croak (fh, 0);
		1227	dREQ;
		1228
		1229	req->type = EIO_SEEK;
		1230	req->sv1 = newSVsv (fh);
		1231	req->int1 = fd;
		1232	req->offs = SvVAL64 (offset);
		1233	req->int2 = whence;
		1234
		1235	REQ_SEND;
1077	}	1236	}
1078		1237
1079	void	1238	void
1080	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1239	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1081	ALIAS:	1240	ALIAS:
…		…
1102	}	1261	}
1103	else	1262	else
1104	{	1263	{
1105	/* read: check type and grow scalar as necessary */	1264	/* read: check type and grow scalar as necessary */
1106	SvUPGRADE (data, SVt_PV);	1265	SvUPGRADE (data, SVt_PV);
		1266	if (SvLEN (data) >= SvCUR (data))
1107	svptr = SvGROW (data, len + dataoffset + 1);	1267	svptr = SvGROW (data, len + dataoffset + 1);
		1268	else if (SvCUR (data) < len + dataoffset)
		1269	croak ("length + dataoffset outside of scalar, and cannot grow");
1108	}	1270	}
1109		1271
1110	{	1272	{
1111	dREQ;	1273	dREQ;
1112		1274
…		…
1128	REQ_SEND;	1290	REQ_SEND;
1129	}	1291	}
1130	}	1292	}
1131		1293
1132	void	1294	void
1133	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1295	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1134	ALIAS:	1296	ALIAS:
1135	aio_readlink = EIO_READLINK	1297	aio_readlink = EIO_READLINK
1136	aio_realpath = EIO_REALPATH	1298	aio_realpath = EIO_REALPATH
1137	PPCODE:	1299	PPCODE:
1138	{	1300	{
1139	dREQ;	1301	dREQ;
1140		1302
1141	req->type = ix;	1303	req->type = ix;
1142	req->sv1 = newSVsv (path);	1304	req_set_path1 (req, pathname);
1143	req->ptr1 = SvPVbyte_nolen (req->sv1);
1144		1305
1145	REQ_SEND;	1306	REQ_SEND;
1146	}	1307	}
1147		1308
1148	void	1309	void
1149	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1310	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1150	PPCODE:	1311	PPCODE:
1151	{	1312	{
1152	int ifd = s_fileno_croak (in_fh , 0);	1313	int ifd = s_fileno_croak (in_fh , 0);
1153	int ofd = s_fileno_croak (out_fh, 1);	1314	int ofd = s_fileno_croak (out_fh, 1);
1154	dREQ;	1315	dREQ;
1155		1316
1156	req->type = EIO_SENDFILE;	1317	req->type = EIO_SENDFILE;
1157	req->sv1 = newSVsv (out_fh);	1318	req->sv1 = newSVsv (out_fh);
1158	req->int1 = ofd;	1319	req->int1 = ofd;
…		…
1166		1327
1167	void	1328	void
1168	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1329	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1169	PPCODE:	1330	PPCODE:
1170	{	1331	{
1171	int fd = s_fileno_croak (fh, 0);	1332	int fd = s_fileno_croak (fh, 0);
1172	dREQ;	1333	dREQ;
1173		1334
1174	req->type = EIO_READAHEAD;	1335	req->type = EIO_READAHEAD;
1175	req->sv1 = newSVsv (fh);	1336	req->sv1 = newSVsv (fh);
1176	req->int1 = fd;	1337	req->int1 = fd;
…		…
1188	aio_statvfs = EIO_STATVFS	1349	aio_statvfs = EIO_STATVFS
1189	PPCODE:	1350	PPCODE:
1190	{	1351	{
1191	dREQ;	1352	dREQ;
1192		1353
1193	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1194
1195	if (SvPOK (req->sv1))
1196	{
1197	req->type = ix;
1198	req->ptr1 = SvPVbyte_nolen (req->sv1);
1199	}
1200	else
1201	{
1202	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1203	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1204	}
1205		1355
1206	REQ_SEND;	1356	REQ_SEND;
1207	}	1357	}
1208		1358
1209	UV	1359	UV
…		…
1228	{	1378	{
1229	dREQ;	1379	dREQ;
1230		1380
1231	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1232	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1382	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1233	req->sv1 = newSVsv (fh_or_path);	1383	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1234
1235	if (SvPOK (req->sv1))
1236	{
1237	req->type = EIO_UTIME;
1238	req->ptr1 = SvPVbyte_nolen (req->sv1);
1239	}
1240	else
1241	{
1242	req->type = EIO_FUTIME;
1243	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1244	}
1245		1384
1246	REQ_SEND;	1385	REQ_SEND;
1247	}	1386	}
1248		1387
1249	void	1388	void
1250	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1389	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1251	PPCODE:	1390	PPCODE:
1252	{	1391	{
1253	dREQ;	1392	dREQ;
1254		1393
1255	req->sv1 = newSVsv (fh_or_path);
1256	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1257		1395	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1258	if (SvPOK (req->sv1))
1259	{
1260	req->type = EIO_TRUNCATE;
1261	req->ptr1 = SvPVbyte_nolen (req->sv1);
1262	}
1263	else
1264	{
1265	req->type = EIO_FTRUNCATE;
1266	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1267	}
1268		1396
1269	REQ_SEND;	1397	REQ_SEND;
1270	}	1398	}
1271		1399
1272	void	1400	void
1273	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1401	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1274	ALIAS:
1275	aio_chmod = EIO_CHMOD
1276	aio_mkdir = EIO_MKDIR
1277	PPCODE:	1402	PPCODE:
1278	{	1403	{
1279	dREQ;	1404	dREQ;
1280		1405
1281	req->int2 = mode;	1406	req->int2 = mode;
1282	req->sv1 = newSVsv (fh_or_path);	1407	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1283
1284	if (SvPOK (req->sv1))
1285	{
1286	req->type = ix;
1287	req->ptr1 = SvPVbyte_nolen (req->sv1);
1288	}
1289	else
1290	{
1291	req->type = EIO_FCHMOD;
1292	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1293	}
1294		1408
1295	REQ_SEND;	1409	REQ_SEND;
1296	}	1410	}
1297		1411
1298	void	1412	void
…		…
1301	{	1415	{
1302	dREQ;	1416	dREQ;
1303		1417
1304	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1305	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1419	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1306	req->sv1 = newSVsv (fh_or_path);	1420	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1307
1308	if (SvPOK (req->sv1))
1309	{
1310	req->type = EIO_CHOWN;
1311	req->ptr1 = SvPVbyte_nolen (req->sv1);
1312	}
1313	else
1314	{
1315	req->type = EIO_FCHOWN;
1316	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1317	}
1318		1421
1319	REQ_SEND;	1422	REQ_SEND;
1320	}	1423	}
1321		1424
1322	void	1425	void
…		…
1324	PPCODE:	1427	PPCODE:
1325	{	1428	{
1326	dREQ;	1429	dREQ;
1327		1430
1328	req->type = EIO_READDIR;	1431	req->type = EIO_READDIR;
1329	req->sv1 = newSVsv (pathname);
1330	req->ptr1 = SvPVbyte_nolen (req->sv1);
1331	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1432	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1332		1433
1333	if (flags & EIO_READDIR_DENTS)	1434	if (flags & EIO_READDIR_DENTS)
1334	req->int1 |= EIO_READDIR_CUSTOM2;	1435	req->int1 |= EIO_READDIR_CUSTOM2;
1335		1436
		1437	req_set_path1 (req, pathname);
		1438
1336	REQ_SEND;	1439	REQ_SEND;
		1440	}
		1441
		1442	void
		1443	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1444	PPCODE:
		1445	{
		1446	dREQ;
		1447
		1448	req->type = EIO_MKDIR;
		1449	req->int2 = mode;
		1450	req_set_path1 (req, pathname);
		1451
		1452	REQ_SEND;
1337	}	1453	}
1338		1454
1339	void	1455	void
1340	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1456	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1341	ALIAS:	1457	ALIAS:
…		…
1345	PPCODE:	1461	PPCODE:
1346	{	1462	{
1347	dREQ;	1463	dREQ;
1348		1464
1349	req->type = ix;	1465	req->type = ix;
1350	req->sv1 = newSVsv (pathname);	1466	req_set_path1 (req, pathname);
1351	req->ptr1 = SvPVbyte_nolen (req->sv1);
1352		1467
1353	REQ_SEND;	1468	REQ_SEND;
1354	}	1469	}
1355		1470
1356	void	1471	void
…		…
1359	aio_link = EIO_LINK	1474	aio_link = EIO_LINK
1360	aio_symlink = EIO_SYMLINK	1475	aio_symlink = EIO_SYMLINK
1361	aio_rename = EIO_RENAME	1476	aio_rename = EIO_RENAME
1362	PPCODE:	1477	PPCODE:
1363	{	1478	{
		1479	eio_wd wd2 = 0;
1364	dREQ;	1480	dREQ;
1365		1481
1366	req->type = ix;	1482	req->type = ix;
1367	req->sv1 = newSVsv (oldpath);	1483	req_set_path1 (req, oldpath);
1368	req->ptr1 = SvPVbyte_nolen (req->sv1);	1484	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1369	req->sv2 = newSVsv (newpath);	1485	req->int3 = (long)wd2;
1370	req->ptr2 = SvPVbyte_nolen (req->sv2);
1371		1486
1372	REQ_SEND;	1487	REQ_SEND;
1373	}	1488	}
1374		1489
1375	void	1490	void
…		…
1377	PPCODE:	1492	PPCODE:
1378	{	1493	{
1379	dREQ;	1494	dREQ;
1380		1495
1381	req->type = EIO_MKNOD;	1496	req->type = EIO_MKNOD;
1382	req->sv1 = newSVsv (pathname);
1383	req->ptr1 = SvPVbyte_nolen (req->sv1);
1384	req->int2 = (mode_t)mode;	1497	req->int2 = (mode_t)mode;
1385	req->offs = dev;	1498	req->offs = dev;
		1499	req_set_path1 (req, pathname);
1386		1500
1387	REQ_SEND;	1501	REQ_SEND;
1388	}	1502	}
1389		1503
1390	void	1504	void
…		…
1457		1571
1458	req->type = EIO_MLOCKALL;	1572	req->type = EIO_MLOCKALL;
1459	req->int1 = flags;	1573	req->int1 = flags;
1460		1574
1461	REQ_SEND;	1575	REQ_SEND;
		1576	}
		1577
		1578	void
		1579	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1580	PPCODE:
		1581	{
		1582	int fd = s_fileno_croak (fh, 0);
		1583	dREQ;
		1584
		1585	req->type = EIO_CUSTOM;
		1586	req->sv1 = newSVsv (fh);
		1587	req->int1 = fd;
		1588
		1589	req->feed = fiemap;
		1590	#if HAVE_FIEMAP
		1591	/* keep our fingers crossed that the next two types are 64 bit */
		1592	req->offs = start;
		1593	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1594	req->int2 = flags;
		1595	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1596	#endif
		1597
		1598	REQ_SEND;
1462	}	1599	}
1463		1600
1464	void	1601	void
1465	aio_busy (double delay, SV *callback=&PL_sv_undef)	1602	aio_busy (double delay, SV *callback=&PL_sv_undef)
1466	PPCODE:	1603	PPCODE:
…		…
1590	CODE:	1727	CODE:
1591	RETVAL = posix_fadvise (fh, offset, length, advice);	1728	RETVAL = posix_fadvise (fh, offset, length, advice);
1592	OUTPUT:	1729	OUTPUT:
1593	RETVAL	1730	RETVAL
1594		1731
1595	ssize_t	1732	IV
1596	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1733	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1597	CODE:	1734	CODE:
1598	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1735	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1599	OUTPUT:	1736	OUTPUT:
1600	RETVAL	1737	RETVAL
1601		1738
1602	void	1739	void
1603	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1740	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1604	PPCODE:	1741	PPCODE:
1605	sv_unmagic (scalar, MMAP_MAGIC);	1742	sv_unmagic (scalar, MMAP_MAGIC);
1606	{	1743	{
1607	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1744	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1608	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1745	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1641	ALIAS:	1778	ALIAS:
1642	mprotect = 1	1779	mprotect = 1
1643	CODE:	1780	CODE:
1644	{	1781	{
1645	STRLEN svlen;	1782	STRLEN svlen;
1646	void *addr = SvPVbyte (scalar, svlen);	1783	void *addr = SvPVbyte (scalar, svlen);
1647	size_t len = SvUV (length);	1784	size_t len = SvUV (length);
1648		1785
1649	if (offset < 0)	1786	if (offset < 0)
1650	offset += svlen;	1787	offset += svlen;
1651		1788
…		…
1670	int	1807	int
1671	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1808	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1672	CODE:	1809	CODE:
1673	{	1810	{
1674	STRLEN svlen;	1811	STRLEN svlen;
1675	void *addr = SvPVbyte (scalar, svlen);	1812	void *addr = SvPVbyte (scalar, svlen);
1676	size_t len = SvUV (length);	1813	size_t len = SvUV (length);
1677		1814
1678	if (offset < 0)	1815	if (offset < 0)
1679	offset += svlen;	1816	offset += svlen;
1680		1817
…		…
1687	addr = (void *)(((intptr_t)addr) + offset);	1824	addr = (void *)(((intptr_t)addr) + offset);
1688	eio_page_align (&addr, &len);	1825	eio_page_align (&addr, &len);
1689	#if _POSIX_MEMLOCK_RANGE	1826	#if _POSIX_MEMLOCK_RANGE
1690	RETVAL = munlock (addr, len);	1827	RETVAL = munlock (addr, len);
1691	#else	1828	#else
1692	RETVAL = ((errno = ENOSYS), -1);	1829	RETVAL = EIO_ENOSYS ();
1693	#endif	1830	#endif
1694	}	1831	}
1695	OUTPUT:	1832	OUTPUT:
1696	RETVAL	1833	RETVAL
1697		1834
…		…
1699	munlockall ()	1836	munlockall ()
1700	CODE:	1837	CODE:
1701	#if _POSIX_MEMLOCK	1838	#if _POSIX_MEMLOCK
1702	munlockall ();	1839	munlockall ();
1703	#else	1840	#else
1704	RETVAL = -1;	1841	RETVAL = EIO_ENOSYS ();
1705	errno = ENOSYS;
1706	#endif	1842	#endif
1707	OUTPUT:	1843	OUTPUT:
		1844	RETVAL
		1845
		1846	int
		1847	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1848	CODE:
		1849	{
		1850	#if HAVE_LINUX_SPLICE
		1851	loff_t off_in_, off_out_;
		1852	RETVAL = splice (
		1853	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1854	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1855	length, flags
		1856	);
		1857	#else
		1858	RETVAL = EIO_ENOSYS ();
		1859	#endif
		1860	}
		1861	OUTPUT:
		1862	RETVAL
		1863
		1864	int
		1865	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1866	CODE:
		1867	#if HAVE_LINUX_SPLICE
		1868	RETVAL = tee (rfh, wfh, length, flags);
		1869	#else
		1870	RETVAL = EIO_ENOSYS ();
		1871	#endif
		1872	OUTPUT:
1708	RETVAL	1873	RETVAL
1709		1874
1710	void _on_next_submit (SV *cb)	1875	void _on_next_submit (SV *cb)
1711	CODE:	1876	CODE:
1712	SvREFCNT_dec (on_next_submit);	1877	SvREFCNT_dec (on_next_submit);
1713	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1878	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1714		1879
1715	PROTOTYPES: DISABLE	1880	PROTOTYPES: DISABLE
1716		1881
		1882	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1883
		1884	BOOT:
		1885	{
		1886	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1887	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1888	}
		1889
		1890	void
		1891	DESTROY (SV *self)
		1892	CODE:
		1893	{
		1894	aio_wd wd = SvAIO_WD (self);
		1895	#if HAVE_AT
		1896	{
		1897	SV *callback = &PL_sv_undef;
		1898	dREQ; /* clobbers next_pri :/ */
		1899	next_pri = req->pri; /* restore next_pri */
		1900	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1901	req->type = EIO_WD_CLOSE;
		1902	req->wd = wd;
		1903	REQ_SEND;
		1904	}
		1905	#else
		1906	eio_wd_close_sync (wd);
		1907	#endif
		1908	}
		1909
1717	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1910	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1718		1911
1719	void	1912	void
1720	cancel (aio_req_ornot req)	1913	cancel (aio_req_ornot req)
1721	CODE:	1914	CODE:

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