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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.194 by root, Fri Jul 29 08:35:36 2011 UTC vs.
Revision 1.225 by root, Sat Dec 29 09:35:39 2012 UTC

…		…
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
22	#endif	31	#endif
23		32
24	/* perl namespace pollution */	33	/* perl namespace pollution */
25	#undef VERSION	34	#undef VERSION
26		35
…		…
62	#undef dup	71	#undef dup
63	#undef dup2	72	#undef dup2
64	#undef abort	73	#undef abort
65	#undef pipe	74	#undef pipe
66		75
		76	#define EIO_STRUCT_STAT struct _stati64
		77	#define EIO_STRUCT_STATI64
		78
67	#else	79	#else
68		80
69	#include <sys/time.h>	81	#include <sys/time.h>
70	#include <sys/select.h>	82	#include <sys/select.h>
71	#include <unistd.h>	83	#include <unistd.h>
72	#include <utime.h>	84	#include <utime.h>
73	#include <signal.h>	85	#include <signal.h>
74		86
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	87	#define EIO_STRUCT_STAT Stat_t
78		88
79	/* use NV for 32 bit perls as it allows larger offsets */
80	#if IVSIZE >= 8
81	# define VAL64 IV
82	# define SvVAL64 SvIV
83	# define newSVval64 newSViv
84	#else
85	# define VAL64 NV
86	# define SvVAL64 SvNV
87	# define newSVval64 newSVnv
88	#endif	89	#endif
89		90
90	/*****************************************************************************/	91	/*****************************************************************************/
91		92
92	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
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 (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	/*****************************************************************************/
327		258
328	enum {	259	enum {
329	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	260	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
330	};	261	};
331		262
332	typedef eio_req *aio_req;	263	typedef eio_req *aio_req;
333	typedef eio_req *aio_req_ornot;	264	typedef eio_req *aio_req_ornot;
		265	typedef eio_wd aio_wd;
334		266
335	static SV *on_next_submit;	267	static SV *on_next_submit;
336	static int next_pri = EIO_PRI_DEFAULT;	268	static int next_pri = EIO_PRI_DEFAULT;
337	static int max_outstanding;	269	static int max_outstanding;
338		270
339	static s_epipe respipe;	271	static s_epipe respipe;
340		272
341	static void req_destroy (aio_req req);	273	static void req_destroy (aio_req req);
342	static void req_cancel (aio_req req);	274	static void req_cancel (aio_req req);
343		275
344	static void want_poll (void)	276	static void
		277	want_poll (void)
345	{	278	{
346	/* write a dummy byte to the pipe so fh becomes ready */	279	/* write a dummy byte to the pipe so fh becomes ready */
347	s_epipe_signal (&respipe);	280	s_epipe_signal (&respipe);
348	}	281	}
349		282
350	static void done_poll (void)	283	static void
		284	done_poll (void)
351	{	285	{
352	/* read any signals sent by the worker threads */	286	/* read any signals sent by the worker threads */
353	s_epipe_drain (&respipe);	287	s_epipe_drain (&respipe);
354	}	288	}
355		289
356	/* must be called at most once */	290	/* must be called at most once */
		291	static SV *
357	static SV *req_sv (aio_req req, HV *stash)	292	req_sv (aio_req req, HV *stash)
358	{	293	{
359	if (!req->self)	294	if (!req->self)
360	{	295	{
361	req->self = (SV *)newHV ();	296	req->self = (SV *)newHV ();
362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	297	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363	}	298	}
364		299
365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	300	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366	}	301	}
367		302
368	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)
369	{	311	{
370	MAGIC *mg;	312	MAGIC *mg;
371		313
372	if (!SvROK (sv)	314	if (!SvROK (sv)
		315	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	316	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
374	&& SvSTASH (SvRV (sv)) != aio_req_stash	317	&& SvSTASH (SvRV (sv)) != aio_req_stash
375	&& !sv_derived_from (sv, "IO::AIO::REQ")))	318	&& !sv_derived_from (sv, "IO::AIO::REQ")))
376	croak ("object of class IO::AIO::REQ expected");	319	croak ("object of class IO::AIO::REQ expected");
377		320
378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	321	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379		322
380	return mg ? (aio_req)mg->mg_ptr : 0;	323	return mg ? (aio_req)mg->mg_ptr : 0;
381	}	324	}
382		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
383	static void aio_grp_feed (aio_req grp)	338	aio_grp_feed (aio_req grp)
384	{	339	{
385	if (grp->sv2 && SvOK (grp->sv2))	340	if (grp->sv2 && SvOK (grp->sv2))
386	{	341	{
387	dSP;	342	dSP;
388		343
…		…
396	FREETMPS;	351	FREETMPS;
397	LEAVE;	352	LEAVE;
398	}	353	}
399	}	354	}
400		355
		356	static void
401	static void req_submit (eio_req *req)	357	req_submit (eio_req *req)
402	{	358	{
403	eio_submit (req);	359	eio_submit (req);
404		360
405	if (expect_false (on_next_submit))	361	if (expect_false (on_next_submit))
406	{	362	{
…		…
413	PUTBACK;	369	PUTBACK;
414	call_sv (cb, G_DISCARD | G_EVAL);	370	call_sv (cb, G_DISCARD | G_EVAL);
415	}	371	}
416	}	372	}
417		373
		374	static int
418	static int req_invoke (eio_req *req)	375	req_invoke (eio_req *req)
419	{	376	{
420	if (req->flags & FLAG_SV2_RO_OFF)	377	if (req->flags & FLAG_SV2_RO_OFF)
421	SvREADONLY_off (req->sv2);	378	SvREADONLY_off (req->sv2);
422		379
423	if (!EIO_CANCELLED (req) && req->callback)	380	if (!EIO_CANCELLED (req) && req->callback)
…		…
444	SvREADONLY_on (sv_result);	401	SvREADONLY_on (sv_result);
445	}	402	}
446		403
447	switch (req->type)	404	switch (req->type)
448	{	405	{
		406	case EIO_WD_OPEN:
		407	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		408	break;
		409
449	case EIO_READDIR:	410	case EIO_READDIR:
450	{	411	{
451	SV *rv = &PL_sv_undef;	412	SV *rv = &PL_sv_undef;
452		413
453	if (req->result >= 0)	414	if (req->result >= 0)
…		…
546	#ifndef _WIN32	507	#ifndef _WIN32
547	if (req->result >= 0)	508	if (req->result >= 0)
548	{	509	{
549	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	510	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
550	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));
551		517
552	rv = sv_2mortal (newRV_noinc ((SV *)hv));	518	rv = sv_2mortal (newRV_noinc ((SV *)hv));
553		519
554	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);
555	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);
…		…
557	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);
558	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);
559	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);
560	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);
561	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);
562	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	528	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
563	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);
564	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);
565	}	531	}
566	#endif	532	#endif
567		533
…		…
595	break;	561	break;
596		562
597	case EIO_STAT:	563	case EIO_STAT:
598	case EIO_LSTAT:	564	case EIO_LSTAT:
599	case EIO_FSTAT:	565	case EIO_FSTAT:
600	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	566	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		567
601	PL_laststatval = req->result;	568	if (!(PL_laststatval = req->result))
602	/* 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 */
603	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	570	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		571
604	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)));
605	break;	577	break;
606		578
607	case EIO_READ:	579	case EIO_READ:
608	{	580	{
609	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));
…		…
612	SvSETMAGIC (req->sv2);	584	SvSETMAGIC (req->sv2);
613	PUSHs (sv_result);	585	PUSHs (sv_result);
614	}	586	}
615	break;	587	break;
616		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
617	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 */
618	if (req->result > 0)	630	if (req->result > 0)
619	SvIV_set (sv_result, 0);	631	SvIV_set (sv_result, 0);
620	/* FALLTHROUGH */	632	/* FALLTHROUGH */
621		633
…		…
642	}	654	}
643		655
644	return !!SvTRUE (ERRSV);	656	return !!SvTRUE (ERRSV);
645	}	657	}
646		658
		659	static void
647	static void req_destroy (aio_req req)	660	req_destroy (aio_req req)
648	{	661	{
649	if (req->self)	662	if (req->self)
650	{	663	{
651	sv_unmagic (req->self, PERL_MAGIC_ext);	664	sv_unmagic (req->self, PERL_MAGIC_ext);
652	SvREFCNT_dec (req->self);	665	SvREFCNT_dec (req->self);
653	}	666	}
654		667
655	SvREFCNT_dec (req->sv1);	668	SvREFCNT_dec (req->sv1);
656	SvREFCNT_dec (req->sv2);	669	SvREFCNT_dec (req->sv2);
		670	SvREFCNT_dec (req->sv3);
		671	SvREFCNT_dec (req->sv4);
657	SvREFCNT_dec (req->callback);	672	SvREFCNT_dec (req->callback);
658		673
659	Safefree (req);	674	free (req);
660	}	675	}
661		676
		677	static void
662	static void req_cancel_subs (aio_req grp)	678	req_cancel_subs (aio_req grp)
663	{	679	{
664	if (grp->type != EIO_GROUP)	680	if (grp->type != EIO_GROUP)
665	return;	681	return;
666		682
667	SvREFCNT_dec (grp->sv2);	683	SvREFCNT_dec (grp->sv2);
668	grp->sv2 = 0;	684	grp->sv2 = 0;
669		685
670	eio_grp_cancel (grp);	686	eio_grp_cancel (grp);
671	}	687	}
672		688
		689	static void ecb_cold
673	static void create_respipe (void)	690	create_respipe (void)
674	{	691	{
675	if (s_epipe_renew (&respipe))	692	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	693	croak ("IO::AIO: unable to initialize result pipe");
677	}	694	}
678		695
679	static void poll_wait (void)	696	static void
		697	poll_wait (void)
680	{	698	{
681	while (eio_nreqs ())	699	while (eio_nreqs ())
682	{	700	{
683	int size;	701	int size;
684		702
…		…
693		711
694	s_epipe_wait (&respipe);	712	s_epipe_wait (&respipe);
695	}	713	}
696	}	714	}
697		715
698	static int poll_cb (void)	716	static int
		717	poll_cb (void)
699	{	718	{
700	for (;;)	719	for (;;)
701	{	720	{
702	int res = eio_poll ();	721	int res = eio_poll ();
703		722
…		…
721	}	740	}
722		741
723	/*****************************************************************************/	742	/*****************************************************************************/
724		743
725	#if !_POSIX_MAPPED_FILES	744	#if !_POSIX_MAPPED_FILES
726	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	745	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
727	# define munmap(addr,length) (errno = ENOSYS, -1)	746	# define munmap(addr,length) EIO_ENOSYS ()
728	#endif	747	#endif
729		748
730	#if !_POSIX_MEMORY_PROTECTION	749	#if !_POSIX_MEMORY_PROTECTION
731	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	750	# define mprotect(addr,len,prot) EIO_ENOSYS ()
732	# define PROT_NONE 0	751	# define PROT_NONE 0
733	# define PROT_WRITE 0	752	# define PROT_WRITE 0
734	# define MAP_PRIVATE 0	753	# define MAP_PRIVATE 0
735	# define MAP_SHARED 0	754	# define MAP_SHARED 0
736	# define MAP_FIXED 0	755	# define MAP_FIXED 0
737	#endif	756	#endif
738		757
739	#define MMAP_MAGIC PERL_MAGIC_ext	758	#define MMAP_MAGIC PERL_MAGIC_ext
740		759
		760	static int ecb_cold
741	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	761	mmap_free (pTHX_ SV *sv, MAGIC *mg)
742	{	762	{
743	int old_errno = errno;	763	int old_errno = errno;
744	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	764	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
745	errno = old_errno;	765	errno = old_errno;
746		766
…		…
762	0, 0, 0, 0, mmap_free	782	0, 0, 0, 0, mmap_free
763	};	783	};
764		784
765	/*****************************************************************************/	785	/*****************************************************************************/
766		786
		787	static SV *
767	static SV * get_cb (SV *cb_sv)	788	get_cb (SV *cb_sv)
768	{	789	{
769	SvGETMAGIC (cb_sv);	790	SvGETMAGIC (cb_sv);
770	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	791	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
771	}	792	}
772		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
773	#define dREQ \	814	#define dREQ \
774	SV *cb_cv; \	815	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		816
788	#define REQ_SEND \	817	#define REQ_SEND \
789	PUTBACK; \	818	PUTBACK; \
790	req_submit (req); \	819	req_submit (req); \
791	SPAGAIN; \	820	SPAGAIN; \
792	\	821	\
793	if (GIMME_V != G_VOID) \	822	if (GIMME_V != G_VOID) \
794	XPUSHs (req_sv (req, aio_req_stash));	823	XPUSHs (req_sv (req, aio_req_stash));
795		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
796	MODULE = IO::AIO PACKAGE = IO::AIO	891	MODULE = IO::AIO PACKAGE = IO::AIO
797		892
798	PROTOTYPES: ENABLE	893	PROTOTYPES: ENABLE
799		894
800	BOOT:	895	BOOT:
…		…
804	IV iv;	899	IV iv;
805	} *civ, const_iv[] = {	900	} *civ, const_iv[] = {
806	# define const_niv(name, value) { # name, (IV) value },	901	# define const_niv(name, value) { # name, (IV) value },
807	# define const_iv(name) { # name, (IV) name },	902	# define const_iv(name) { # name, (IV) name },
808	# 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)
809	const_iv (EXDEV)	908	const_iv (EXDEV)
810	const_iv (ENOSYS)	909	const_iv (EBADR)
		910
811	const_iv (O_RDONLY)	911	const_iv (O_RDONLY)
812	const_iv (O_WRONLY)	912	const_iv (O_WRONLY)
813	const_iv (O_RDWR)	913	const_iv (O_RDWR)
814	const_iv (O_CREAT)	914	const_iv (O_CREAT)
815	const_iv (O_TRUNC)	915	const_iv (O_TRUNC)
…		…
883	const_iv (MAP_LOCKED)	983	const_iv (MAP_LOCKED)
884	const_iv (MAP_NORESERVE)	984	const_iv (MAP_NORESERVE)
885	const_iv (MAP_POPULATE)	985	const_iv (MAP_POPULATE)
886	const_iv (MAP_NONBLOCK)	986	const_iv (MAP_NONBLOCK)
887		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
888	const_eio (MCL_FUTURE)	1016	const_eio (MCL_FUTURE)
889	const_eio (MCL_CURRENT)	1017	const_eio (MCL_CURRENT)
890		1018
891	const_eio (MS_ASYNC)	1019	const_eio (MS_ASYNC)
892	const_eio (MS_INVALIDATE)	1020	const_eio (MS_INVALIDATE)
…		…
897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1025	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
898	const_eio (SYNC_FILE_RANGE_WRITE)	1026	const_eio (SYNC_FILE_RANGE_WRITE)
899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1027	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
900		1028
901	const_eio (FALLOC_FL_KEEP_SIZE)	1029	const_eio (FALLOC_FL_KEEP_SIZE)
		1030	const_eio (FALLOC_FL_PUNCH_HOLE)
902		1031
903	const_eio (READDIR_DENTS)	1032	const_eio (READDIR_DENTS)
904	const_eio (READDIR_DIRS_FIRST)	1033	const_eio (READDIR_DIRS_FIRST)
905	const_eio (READDIR_STAT_ORDER)	1034	const_eio (READDIR_STAT_ORDER)
906	const_eio (READDIR_FOUND_UNKNOWN)	1035	const_eio (READDIR_FOUND_UNKNOWN)
…		…
917	};	1046	};
918		1047
919	aio_stash = gv_stashpv ("IO::AIO" , 1);	1048	aio_stash = gv_stashpv ("IO::AIO" , 1);
920	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1049	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
921	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);
922		1052
923	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1053	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
924	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1054	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
925		1055
926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1056	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
…		…
973	PROTOTYPE: $	1103	PROTOTYPE: $
974	CODE:	1104	CODE:
975	max_outstanding = maxreqs;	1105	max_outstanding = maxreqs;
976		1106
977	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
978	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)
979	PPCODE:	1121	PPCODE:
980	{	1122	{
981	dREQ;	1123	dREQ;
982		1124
983	req->type = EIO_OPEN;	1125	req->type = EIO_OPEN;
984	req->sv1 = newSVsv (pathname);	1126	req_set_path1 (req, pathname);
985	req->ptr1 = SvPVbyte_nolen (req->sv1);
986	req->int1 = flags;	1127	req->int1 = flags;
987	req->int2 = mode;	1128	req->int2 = mode;
988		1129
989	REQ_SEND;	1130	REQ_SEND;
990	}	1131	}
…		…
995	aio_fsync = EIO_FSYNC	1136	aio_fsync = EIO_FSYNC
996	aio_fdatasync = EIO_FDATASYNC	1137	aio_fdatasync = EIO_FDATASYNC
997	aio_syncfs = EIO_SYNCFS	1138	aio_syncfs = EIO_SYNCFS
998	PPCODE:	1139	PPCODE:
999	{	1140	{
1000	int fd = s_fileno_croak (fh, 0);	1141	int fd = s_fileno_croak (fh, 0);
1001	dREQ;	1142	dREQ;
1002		1143
1003	req->type = ix;	1144	req->type = ix;
1004	req->sv1 = newSVsv (fh);	1145	req->sv1 = newSVsv (fh);
1005	req->int1 = fd;	1146	req->int1 = fd;
1006		1147
1007	REQ_SEND (req);	1148	REQ_SEND;
1008	}	1149	}
1009		1150
1010	void	1151	void
1011	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)
1012	PPCODE:	1153	PPCODE:
1013	{	1154	{
1014	int fd = s_fileno_croak (fh, 0);	1155	int fd = s_fileno_croak (fh, 0);
1015	dREQ;	1156	dREQ;
1016		1157
1017	req->type = EIO_SYNC_FILE_RANGE;	1158	req->type = EIO_SYNC_FILE_RANGE;
1018	req->sv1 = newSVsv (fh);	1159	req->sv1 = newSVsv (fh);
1019	req->int1 = fd;	1160	req->int1 = fd;
1020	req->offs = offset;	1161	req->offs = offset;
1021	req->size = nbytes;	1162	req->size = nbytes;
1022	req->int2 = flags;	1163	req->int2 = flags;
1023		1164
1024	REQ_SEND (req);	1165	REQ_SEND;
1025	}	1166	}
1026		1167
1027	void	1168	void
1028	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)
1029	PPCODE:	1170	PPCODE:
1030	{	1171	{
1031	int fd = s_fileno_croak (fh, 0);	1172	int fd = s_fileno_croak (fh, 0);
1032	dREQ;	1173	dREQ;
1033		1174
1034	req->type = EIO_FALLOCATE;	1175	req->type = EIO_FALLOCATE;
1035	req->sv1 = newSVsv (fh);	1176	req->sv1 = newSVsv (fh);
1036	req->int1 = fd;	1177	req->int1 = fd;
1037	req->int2 = mode;	1178	req->int2 = mode;
1038	req->offs = offset;	1179	req->offs = offset;
1039	req->size = len;	1180	req->size = len;
1040		1181
1041	REQ_SEND (req);	1182	REQ_SEND;
1042	}	1183	}
1043		1184
1044	void	1185	void
1045	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1186	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1046	PPCODE:	1187	PPCODE:
1047	{	1188	{
1048	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 */
1049	int fd = s_fileno_croak (fh, 0);	1190	int fd = s_fileno_croak (fh, 0);
1050	dREQ;	1191	dREQ;
1051		1192
1052	if (expect_false (close_fd < 0))	1193	if (expect_false (close_fd < 0))
1053	{	1194	{
1054	int pipefd [2];	1195	int pipefd [2];
…		…
1070	req->type = EIO_DUP2;	1211	req->type = EIO_DUP2;
1071	req->int1 = close_fd;	1212	req->int1 = close_fd;
1072	req->sv2 = newSVsv (fh);	1213	req->sv2 = newSVsv (fh);
1073	req->int2 = fd;	1214	req->int2 = fd;
1074		1215
1075	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;
1076	}	1233	}
1077		1234
1078	void	1235	void
1079	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)
1080	ALIAS:	1237	ALIAS:
…		…
1101	}	1258	}
1102	else	1259	else
1103	{	1260	{
1104	/* read: check type and grow scalar as necessary */	1261	/* read: check type and grow scalar as necessary */
1105	SvUPGRADE (data, SVt_PV);	1262	SvUPGRADE (data, SVt_PV);
		1263	if (SvLEN (data) >= SvCUR (data))
1106	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");
1107	}	1267	}
1108		1268
1109	{	1269	{
1110	dREQ;	1270	dREQ;
1111		1271
…		…
1127	REQ_SEND;	1287	REQ_SEND;
1128	}	1288	}
1129	}	1289	}
1130		1290
1131	void	1291	void
1132	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1292	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1133	ALIAS:	1293	ALIAS:
1134	aio_readlink = EIO_READLINK	1294	aio_readlink = EIO_READLINK
1135	aio_realpath = EIO_REALPATH	1295	aio_realpath = EIO_REALPATH
1136	PPCODE:	1296	PPCODE:
1137	{	1297	{
1138	dREQ;	1298	dREQ;
1139		1299
1140	req->type = ix;	1300	req->type = ix;
1141	req->sv1 = newSVsv (path);	1301	req_set_path1 (req, pathname);
1142	req->ptr1 = SvPVbyte_nolen (req->sv1);
1143		1302
1144	REQ_SEND;	1303	REQ_SEND;
1145	}	1304	}
1146		1305
1147	void	1306	void
1148	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)
1149	PPCODE:	1308	PPCODE:
1150	{	1309	{
1151	int ifd = s_fileno_croak (in_fh , 0);	1310	int ifd = s_fileno_croak (in_fh , 0);
1152	int ofd = s_fileno_croak (out_fh, 1);	1311	int ofd = s_fileno_croak (out_fh, 1);
1153	dREQ;	1312	dREQ;
1154		1313
1155	req->type = EIO_SENDFILE;	1314	req->type = EIO_SENDFILE;
1156	req->sv1 = newSVsv (out_fh);	1315	req->sv1 = newSVsv (out_fh);
1157	req->int1 = ofd;	1316	req->int1 = ofd;
…		…
1165		1324
1166	void	1325	void
1167	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)
1168	PPCODE:	1327	PPCODE:
1169	{	1328	{
1170	int fd = s_fileno_croak (fh, 0);	1329	int fd = s_fileno_croak (fh, 0);
1171	dREQ;	1330	dREQ;
1172		1331
1173	req->type = EIO_READAHEAD;	1332	req->type = EIO_READAHEAD;
1174	req->sv1 = newSVsv (fh);	1333	req->sv1 = newSVsv (fh);
1175	req->int1 = fd;	1334	req->int1 = fd;
…		…
1187	aio_statvfs = EIO_STATVFS	1346	aio_statvfs = EIO_STATVFS
1188	PPCODE:	1347	PPCODE:
1189	{	1348	{
1190	dREQ;	1349	dREQ;
1191		1350
1192	req->sv1 = newSVsv (fh_or_path);	1351	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1193
1194	if (SvPOK (req->sv1))
1195	{
1196	req->type = ix;
1197	req->ptr1 = SvPVbyte_nolen (req->sv1);
1198	}
1199	else
1200	{
1201	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1202	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1203	}
1204		1352
1205	REQ_SEND;	1353	REQ_SEND;
1206	}	1354	}
1207		1355
1208	UV	1356	UV
…		…
1227	{	1375	{
1228	dREQ;	1376	dREQ;
1229		1377
1230	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1378	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1231	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1379	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1232	req->sv1 = newSVsv (fh_or_path);	1380	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1233
1234	if (SvPOK (req->sv1))
1235	{
1236	req->type = EIO_UTIME;
1237	req->ptr1 = SvPVbyte_nolen (req->sv1);
1238	}
1239	else
1240	{
1241	req->type = EIO_FUTIME;
1242	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1243	}
1244		1381
1245	REQ_SEND;	1382	REQ_SEND;
1246	}	1383	}
1247		1384
1248	void	1385	void
1249	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)
1250	PPCODE:	1387	PPCODE:
1251	{	1388	{
1252	dREQ;	1389	dREQ;
1253		1390
1254	req->sv1 = newSVsv (fh_or_path);
1255	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1391	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1256		1392	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1257	if (SvPOK (req->sv1))
1258	{
1259	req->type = EIO_TRUNCATE;
1260	req->ptr1 = SvPVbyte_nolen (req->sv1);
1261	}
1262	else
1263	{
1264	req->type = EIO_FTRUNCATE;
1265	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1266	}
1267		1393
1268	REQ_SEND;	1394	REQ_SEND;
1269	}	1395	}
1270		1396
1271	void	1397	void
1272	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)
1273	ALIAS:
1274	aio_chmod = EIO_CHMOD
1275	aio_mkdir = EIO_MKDIR
1276	PPCODE:	1399	PPCODE:
1277	{	1400	{
1278	dREQ;	1401	dREQ;
1279		1402
1280	req->int2 = mode;	1403	req->int2 = mode;
1281	req->sv1 = newSVsv (fh_or_path);	1404	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1282
1283	if (SvPOK (req->sv1))
1284	{
1285	req->type = ix;
1286	req->ptr1 = SvPVbyte_nolen (req->sv1);
1287	}
1288	else
1289	{
1290	req->type = EIO_FCHMOD;
1291	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1292	}
1293		1405
1294	REQ_SEND;	1406	REQ_SEND;
1295	}	1407	}
1296		1408
1297	void	1409	void
…		…
1300	{	1412	{
1301	dREQ;	1413	dREQ;
1302		1414
1303	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1415	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1304	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1416	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1305	req->sv1 = newSVsv (fh_or_path);	1417	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1306
1307	if (SvPOK (req->sv1))
1308	{
1309	req->type = EIO_CHOWN;
1310	req->ptr1 = SvPVbyte_nolen (req->sv1);
1311	}
1312	else
1313	{
1314	req->type = EIO_FCHOWN;
1315	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1316	}
1317		1418
1318	REQ_SEND;	1419	REQ_SEND;
1319	}	1420	}
1320		1421
1321	void	1422	void
…		…
1323	PPCODE:	1424	PPCODE:
1324	{	1425	{
1325	dREQ;	1426	dREQ;
1326		1427
1327	req->type = EIO_READDIR;	1428	req->type = EIO_READDIR;
1328	req->sv1 = newSVsv (pathname);
1329	req->ptr1 = SvPVbyte_nolen (req->sv1);
1330	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1429	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1331		1430
1332	if (flags & EIO_READDIR_DENTS)	1431	if (flags & EIO_READDIR_DENTS)
1333	req->int1 |= EIO_READDIR_CUSTOM2;	1432	req->int1 |= EIO_READDIR_CUSTOM2;
1334		1433
		1434	req_set_path1 (req, pathname);
		1435
1335	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;
1336	}	1450	}
1337		1451
1338	void	1452	void
1339	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1453	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1340	ALIAS:	1454	ALIAS:
…		…
1344	PPCODE:	1458	PPCODE:
1345	{	1459	{
1346	dREQ;	1460	dREQ;
1347		1461
1348	req->type = ix;	1462	req->type = ix;
1349	req->sv1 = newSVsv (pathname);	1463	req_set_path1 (req, pathname);
1350	req->ptr1 = SvPVbyte_nolen (req->sv1);
1351		1464
1352	REQ_SEND;	1465	REQ_SEND;
1353	}	1466	}
1354		1467
1355	void	1468	void
…		…
1358	aio_link = EIO_LINK	1471	aio_link = EIO_LINK
1359	aio_symlink = EIO_SYMLINK	1472	aio_symlink = EIO_SYMLINK
1360	aio_rename = EIO_RENAME	1473	aio_rename = EIO_RENAME
1361	PPCODE:	1474	PPCODE:
1362	{	1475	{
		1476	eio_wd wd2 = 0;
1363	dREQ;	1477	dREQ;
1364		1478
1365	req->type = ix;	1479	req->type = ix;
1366	req->sv1 = newSVsv (oldpath);	1480	req_set_path1 (req, oldpath);
1367	req->ptr1 = SvPVbyte_nolen (req->sv1);	1481	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1368	req->sv2 = newSVsv (newpath);	1482	req->int3 = (long)wd2;
1369	req->ptr2 = SvPVbyte_nolen (req->sv2);
1370		1483
1371	REQ_SEND;	1484	REQ_SEND;
1372	}	1485	}
1373		1486
1374	void	1487	void
…		…
1376	PPCODE:	1489	PPCODE:
1377	{	1490	{
1378	dREQ;	1491	dREQ;
1379		1492
1380	req->type = EIO_MKNOD;	1493	req->type = EIO_MKNOD;
1381	req->sv1 = newSVsv (pathname);
1382	req->ptr1 = SvPVbyte_nolen (req->sv1);
1383	req->int2 = (mode_t)mode;	1494	req->int2 = (mode_t)mode;
1384	req->offs = dev;	1495	req->offs = dev;
		1496	req_set_path1 (req, pathname);
1385		1497
1386	REQ_SEND;	1498	REQ_SEND;
1387	}	1499	}
1388		1500
1389	void	1501	void
…		…
1456		1568
1457	req->type = EIO_MLOCKALL;	1569	req->type = EIO_MLOCKALL;
1458	req->int1 = flags;	1570	req->int1 = flags;
1459		1571
1460	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;
1461	}	1596	}
1462		1597
1463	void	1598	void
1464	aio_busy (double delay, SV *callback=&PL_sv_undef)	1599	aio_busy (double delay, SV *callback=&PL_sv_undef)
1465	PPCODE:	1600	PPCODE:
…		…
1597	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1732	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1598	OUTPUT:	1733	OUTPUT:
1599	RETVAL	1734	RETVAL
1600		1735
1601	void	1736	void
1602	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)
1603	PPCODE:	1738	PPCODE:
1604	sv_unmagic (scalar, MMAP_MAGIC);	1739	sv_unmagic (scalar, MMAP_MAGIC);
1605	{	1740	{
1606	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;
1607	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1742	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1640	ALIAS:	1775	ALIAS:
1641	mprotect = 1	1776	mprotect = 1
1642	CODE:	1777	CODE:
1643	{	1778	{
1644	STRLEN svlen;	1779	STRLEN svlen;
1645	void *addr = SvPVbyte (scalar, svlen);	1780	void *addr = SvPVbyte (scalar, svlen);
1646	size_t len = SvUV (length);	1781	size_t len = SvUV (length);
1647		1782
1648	if (offset < 0)	1783	if (offset < 0)
1649	offset += svlen;	1784	offset += svlen;
1650		1785
…		…
1669	int	1804	int
1670	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)
1671	CODE:	1806	CODE:
1672	{	1807	{
1673	STRLEN svlen;	1808	STRLEN svlen;
1674	void *addr = SvPVbyte (scalar, svlen);	1809	void *addr = SvPVbyte (scalar, svlen);
1675	size_t len = SvUV (length);	1810	size_t len = SvUV (length);
1676		1811
1677	if (offset < 0)	1812	if (offset < 0)
1678	offset += svlen;	1813	offset += svlen;
1679		1814
…		…
1686	addr = (void *)(((intptr_t)addr) + offset);	1821	addr = (void *)(((intptr_t)addr) + offset);
1687	eio_page_align (&addr, &len);	1822	eio_page_align (&addr, &len);
1688	#if _POSIX_MEMLOCK_RANGE	1823	#if _POSIX_MEMLOCK_RANGE
1689	RETVAL = munlock (addr, len);	1824	RETVAL = munlock (addr, len);
1690	#else	1825	#else
1691	RETVAL = ((errno = ENOSYS), -1);	1826	RETVAL = EIO_ENOSYS ();
1692	#endif	1827	#endif
1693	}	1828	}
1694	OUTPUT:	1829	OUTPUT:
1695	RETVAL	1830	RETVAL
1696		1831
…		…
1698	munlockall ()	1833	munlockall ()
1699	CODE:	1834	CODE:
1700	#if _POSIX_MEMLOCK	1835	#if _POSIX_MEMLOCK
1701	munlockall ();	1836	munlockall ();
1702	#else	1837	#else
1703	RETVAL = -1;	1838	RETVAL = EIO_ENOSYS ();
1704	errno = ENOSYS;
1705	#endif	1839	#endif
1706	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:
1707	RETVAL	1870	RETVAL
1708		1871
1709	void _on_next_submit (SV *cb)	1872	void _on_next_submit (SV *cb)
1710	CODE:	1873	CODE:
1711	SvREFCNT_dec (on_next_submit);	1874	SvREFCNT_dec (on_next_submit);
1712	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1875	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1713		1876
1714	PROTOTYPES: DISABLE	1877	PROTOTYPES: DISABLE
1715		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
1716	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1907	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1717		1908
1718	void	1909	void
1719	cancel (aio_req_ornot req)	1910	cancel (aio_req_ornot req)
1720	CODE:	1911	CODE:

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