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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC vs.
Revision 1.226 by root, Sun Jan 6 11:48:14 2013 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
		31	#endif
		32
24	/* perl namespace pollution */	33	/* perl namespace pollution */
25	#undef VERSION	34	#undef VERSION
26		35
27	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
28	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
…		…
30	#undef opendir	39	#undef opendir
31	#undef closedir	40	#undef closedir
32		41
33	#ifdef _WIN32	42	#ifdef _WIN32
34		43
35	#define EIO_STRUCT_DIRENT Direntry_t	44	// perl overrides all those nice libc functions
		45
36	#undef malloc	46	#undef malloc
37	#undef free	47	#undef free
38
39	// perl overrides all those nice libc functions
40	#undef open	48	#undef open
41	#undef read	49	#undef read
42	#undef write	50	#undef write
43	#undef send	51	#undef send
44	#undef recv	52	#undef recv
…		…
63	#undef dup	71	#undef dup
64	#undef dup2	72	#undef dup2
65	#undef abort	73	#undef abort
66	#undef pipe	74	#undef pipe
67		75
		76	#define EIO_STRUCT_STAT struct _stati64
		77	#define EIO_STRUCT_STATI64
		78
68	#else	79	#else
69		80
70	#include <sys/time.h>	81	#include <sys/time.h>
71	#include <sys/select.h>	82	#include <sys/select.h>
72	#include <unistd.h>	83	#include <unistd.h>
73	#include <utime.h>	84	#include <utime.h>
74	#include <signal.h>	85	#include <signal.h>
75		86
76	#endif
77
78	#define EIO_STRUCT_STAT Stat_t	87	#define EIO_STRUCT_STAT Stat_t
79		88
80	/* use NV for 32 bit perls as it allows larger offsets */
81	#if IVSIZE >= 8
82	# define VAL64 IV
83	# define SvVAL64 SvIV
84	# define newSVval64 newSViv
85	#else
86	# define VAL64 NV
87	# define SvVAL64 SvNV
88	# define newSVval64 newSVnv
89	#endif	89	#endif
90		90
91	/*****************************************************************************/	91	/*****************************************************************************/
92		92
93	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
103		103
104	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
107		107
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109		109
110	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
111	SV *callback; \	111	SV *callback; \
112	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
113	STRLEN stroffset; \	114	STRLEN stroffset; \
114	SV *self;	115	SV *self;
115		116
116	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
117		118
…		…
123	static void req_destroy (eio_req *grp);	124	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	125	#define EIO_DESTROY(req) req_destroy (req)
125		126
126	#include "libeio/eio.c"	127	#include "libeio/eio.c"
127		128
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	131	#endif
196		132
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	135	#endif
291		136
292	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	138	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
295	# else	140	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	142	# endif
298	#endif	143	#endif
299	#ifndef MAP_HUGETLB	144
300	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	146	#include "def0.h"
302	#ifndef MAP_LOCKED
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		147
315	#ifndef makedev	148	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) | (min))	149	# define makedev(maj,min) (((maj) << 8) | (min))
317	#endif	150	#endif
318	#ifndef major	151	#ifndef major
…		…
320	#endif	153	#endif
321	#ifndef minor	154	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	155	# define minor(dev) ((dev) & 0xff)
323	#endif	156	#endif
324		157
325	#ifndef PAGESIZE	158	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	160	#endif
		161
		162	/*****************************************************************************/
		163
		164	static void
		165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	/* assume some c99 */
		171	struct fiemap *fiemap = 0;
		172	size_t end_offset;
		173	int count = req->int3;
		174
		175	req->flags |= EIO_FLAG_PTR1_FREE;
		176
		177	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		178	/* increase in 3.5kb steps */
		179	if (count < 0)
		180	count = 8;
		181
		182	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		183	errno = ENOMEM;
		184	if (!fiemap)
		185	return;
		186
		187	req->ptr1 = fiemap;
		188
		189	fiemap->fm_start = req->offs;
		190	fiemap->fm_length = req->size;
		191	fiemap->fm_flags = req->int2;
		192	fiemap->fm_extent_count = count;
		193
		194	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		195	return;
		196
		197	if (req->int3 >= 0 /* not autosizing */
		198	|| !fiemap->fm_mapped_extents /* no more extents */
		199	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		200	goto done;
		201
		202	/* else we have to loop -
		203	* it would be tempting (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	/*****************************************************************************/
328		261
329	enum {	262	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	263	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	264	};
332		265
333	typedef eio_req *aio_req;	266	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	267	typedef eio_req *aio_req_ornot;
		268	typedef eio_wd aio_wd;
335		269
336	static SV *on_next_submit;	270	static SV *on_next_submit;
337	static int next_pri = EIO_PRI_DEFAULT;	271	static int next_pri = EIO_PRI_DEFAULT;
338	static int max_outstanding;	272	static int max_outstanding;
339		273
340	static s_epipe respipe;	274	static s_epipe respipe;
341		275
342	static void req_destroy (aio_req req);	276	static void req_destroy (aio_req req);
343	static void req_cancel (aio_req req);	277	static void req_cancel (aio_req req);
344		278
345	static void want_poll (void)	279	static void
		280	want_poll (void)
346	{	281	{
347	/* write a dummy byte to the pipe so fh becomes ready */	282	/* write a dummy byte to the pipe so fh becomes ready */
348	s_epipe_signal (&respipe);	283	s_epipe_signal (&respipe);
349	}	284	}
350		285
351	static void done_poll (void)	286	static void
		287	done_poll (void)
352	{	288	{
353	/* read any signals sent by the worker threads */	289	/* read any signals sent by the worker threads */
354	s_epipe_drain (&respipe);	290	s_epipe_drain (&respipe);
355	}	291	}
356		292
357	/* must be called at most once */	293	/* must be called at most once */
		294	static SV *
358	static SV *req_sv (aio_req req, HV *stash)	295	req_sv (aio_req req, HV *stash)
359	{	296	{
360	if (!req->self)	297	if (!req->self)
361	{	298	{
362	req->self = (SV *)newHV ();	299	req->self = (SV *)newHV ();
363	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	300	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364	}	301	}
365		302
366	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	303	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367	}	304	}
368		305
369	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)
370	{	314	{
371	MAGIC *mg;	315	MAGIC *mg;
372		316
373	if (!SvROK (sv)	317	if (!SvROK (sv)
		318	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	319	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
375	&& SvSTASH (SvRV (sv)) != aio_req_stash	320	&& SvSTASH (SvRV (sv)) != aio_req_stash
376	&& !sv_derived_from (sv, "IO::AIO::REQ")))	321	&& !sv_derived_from (sv, "IO::AIO::REQ")))
377	croak ("object of class IO::AIO::REQ expected");	322	croak ("object of class IO::AIO::REQ expected");
378		323
379	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	324	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380		325
381	return mg ? (aio_req)mg->mg_ptr : 0;	326	return mg ? (aio_req)mg->mg_ptr : 0;
382	}	327	}
383		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
384	static void aio_grp_feed (aio_req grp)	341	aio_grp_feed (aio_req grp)
385	{	342	{
386	if (grp->sv2 && SvOK (grp->sv2))	343	if (grp->sv2 && SvOK (grp->sv2))
387	{	344	{
388	dSP;	345	dSP;
389		346
…		…
397	FREETMPS;	354	FREETMPS;
398	LEAVE;	355	LEAVE;
399	}	356	}
400	}	357	}
401		358
		359	static void
402	static void req_submit (eio_req *req)	360	req_submit (eio_req *req)
403	{	361	{
404	eio_submit (req);	362	eio_submit (req);
405		363
406	if (expect_false (on_next_submit))	364	if (expect_false (on_next_submit))
407	{	365	{
…		…
414	PUTBACK;	372	PUTBACK;
415	call_sv (cb, G_DISCARD | G_EVAL);	373	call_sv (cb, G_DISCARD | G_EVAL);
416	}	374	}
417	}	375	}
418		376
		377	static int
419	static int req_invoke (eio_req *req)	378	req_invoke (eio_req *req)
420	{	379	{
421	if (req->flags & FLAG_SV2_RO_OFF)	380	if (req->flags & FLAG_SV2_RO_OFF)
422	SvREADONLY_off (req->sv2);	381	SvREADONLY_off (req->sv2);
423		382
424	if (!EIO_CANCELLED (req) && req->callback)	383	if (!EIO_CANCELLED (req) && req->callback)
…		…
445	SvREADONLY_on (sv_result);	404	SvREADONLY_on (sv_result);
446	}	405	}
447		406
448	switch (req->type)	407	switch (req->type)
449	{	408	{
		409	case EIO_WD_OPEN:
		410	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		411	break;
		412
450	case EIO_READDIR:	413	case EIO_READDIR:
451	{	414	{
452	SV *rv = &PL_sv_undef;	415	SV *rv = &PL_sv_undef;
453		416
454	if (req->result >= 0)	417	if (req->result >= 0)
…		…
547	#ifndef _WIN32	510	#ifndef _WIN32
548	if (req->result >= 0)	511	if (req->result >= 0)
549	{	512	{
550	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	513	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
551	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));
552		520
553	rv = sv_2mortal (newRV_noinc ((SV *)hv));	521	rv = sv_2mortal (newRV_noinc ((SV *)hv));
554		522
555	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);
556	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);
…		…
558	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);
559	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);
560	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);
561	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);
562	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);
563	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	531	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
564	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);
565	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);
566	}	534	}
567	#endif	535	#endif
568		536
…		…
596	break;	564	break;
597		565
598	case EIO_STAT:	566	case EIO_STAT:
599	case EIO_LSTAT:	567	case EIO_LSTAT:
600	case EIO_FSTAT:	568	case EIO_FSTAT:
601	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	569	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		570
602	PL_laststatval = req->result;	571	if (!(PL_laststatval = req->result))
603	/* 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 */
604	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	573	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		574
605	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)));
606	break;	580	break;
607		581
608	case EIO_READ:	582	case EIO_READ:
609	{	583	{
610	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));
…		…
613	SvSETMAGIC (req->sv2);	587	SvSETMAGIC (req->sv2);
614	PUSHs (sv_result);	588	PUSHs (sv_result);
615	}	589	}
616	break;	590	break;
617		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
618	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 */
619	if (req->result > 0)	633	if (req->result > 0)
620	SvIV_set (sv_result, 0);	634	SvIV_set (sv_result, 0);
621	/* FALLTHROUGH */	635	/* FALLTHROUGH */
622		636
…		…
643	}	657	}
644		658
645	return !!SvTRUE (ERRSV);	659	return !!SvTRUE (ERRSV);
646	}	660	}
647		661
		662	static void
648	static void req_destroy (aio_req req)	663	req_destroy (aio_req req)
649	{	664	{
650	if (req->self)	665	if (req->self)
651	{	666	{
652	sv_unmagic (req->self, PERL_MAGIC_ext);	667	sv_unmagic (req->self, PERL_MAGIC_ext);
653	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
654	}	669	}
655		670
656	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
657	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
658	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
659		676
660	Safefree (req);	677	free (req);
661	}	678	}
662		679
		680	static void
663	static void req_cancel_subs (aio_req grp)	681	req_cancel_subs (aio_req grp)
664	{	682	{
665	if (grp->type != EIO_GROUP)	683	if (grp->type != EIO_GROUP)
666	return;	684	return;
667		685
668	SvREFCNT_dec (grp->sv2);	686	SvREFCNT_dec (grp->sv2);
669	grp->sv2 = 0;	687	grp->sv2 = 0;
670		688
671	eio_grp_cancel (grp);	689	eio_grp_cancel (grp);
672	}	690	}
673		691
		692	static void ecb_cold
674	static void create_respipe (void)	693	create_respipe (void)
675	{	694	{
676	if (s_epipe_renew (&respipe))	695	if (s_epipe_renew (&respipe))
677	croak ("IO::AIO: unable to initialize result pipe");	696	croak ("IO::AIO: unable to initialize result pipe");
678	}	697	}
679		698
680	static void poll_wait (void)	699	static void
		700	poll_wait (void)
681	{	701	{
682	while (eio_nreqs ())	702	while (eio_nreqs ())
683	{	703	{
684	int size;	704	int size;
685		705
…		…
694		714
695	s_epipe_wait (&respipe);	715	s_epipe_wait (&respipe);
696	}	716	}
697	}	717	}
698		718
699	static int poll_cb (void)	719	static int
		720	poll_cb (void)
700	{	721	{
701	for (;;)	722	for (;;)
702	{	723	{
703	int res = eio_poll ();	724	int res = eio_poll ();
704		725
…		…
710		731
711	poll_wait ();	732	poll_wait ();
712	}	733	}
713	}	734	}
714		735
715	static void atfork_child (void)	736	static void ecb_cold
		737	reinit (void)
716	{	738	{
717	create_respipe ();	739	create_respipe ();
		740
		741	if (eio_init (want_poll, done_poll) < 0)
		742	croak ("IO::AIO: unable to initialise eio library");
718	}	743	}
719		744
720	/*****************************************************************************/	745	/*****************************************************************************/
721		746
722	#if !_POSIX_MAPPED_FILES	747	#if !_POSIX_MAPPED_FILES
723	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	748	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
724	# define munmap(addr,length) (errno = ENOSYS, -1)	749	# define munmap(addr,length) EIO_ENOSYS ()
725	#endif	750	#endif
726		751
727	#if !_POSIX_MEMORY_PROTECTION	752	#if !_POSIX_MEMORY_PROTECTION
728	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	753	# define mprotect(addr,len,prot) EIO_ENOSYS ()
729	# define PROT_NONE 0	754	# define PROT_NONE 0
730	# define PROT_WRITE 0	755	# define PROT_WRITE 0
731	# define MAP_PRIVATE 0	756	# define MAP_PRIVATE 0
732	# define MAP_SHARED 0	757	# define MAP_SHARED 0
733	# define MAP_FIXED 0	758	# define MAP_FIXED 0
734	#endif	759	#endif
735		760
736	#define MMAP_MAGIC PERL_MAGIC_ext	761	#define MMAP_MAGIC PERL_MAGIC_ext
737		762
		763	static int ecb_cold
738	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	764	mmap_free (pTHX_ SV *sv, MAGIC *mg)
739	{	765	{
740	int old_errno = errno;	766	int old_errno = errno;
741	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	767	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742	errno = old_errno;	768	errno = old_errno;
743		769
…		…
759	0, 0, 0, 0, mmap_free	785	0, 0, 0, 0, mmap_free
760	};	786	};
761		787
762	/*****************************************************************************/	788	/*****************************************************************************/
763		789
		790	static SV *
764	static SV * get_cb (SV *cb_sv)	791	get_cb (SV *cb_sv)
765	{	792	{
766	SvGETMAGIC (cb_sv);	793	SvGETMAGIC (cb_sv);
767	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768	}	795	}
769		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
770	#define dREQ \	817	#define dREQ \
771	SV *cb_cv; \	818	aio_req req = dreq (callback); \
772	aio_req req; \
773	int req_pri = next_pri; \
774	next_pri = EIO_PRI_DEFAULT; \
775	\
776	cb_cv = get_cb (callback); \
777	\
778	Newz (0, req, 1, eio_req); \
779	if (!req) \
780	croak ("out of memory during eio_req allocation"); \
781	\
782	req->callback = SvREFCNT_inc (cb_cv); \
783	req->pri = req_pri
784		819
785	#define REQ_SEND \	820	#define REQ_SEND \
786	PUTBACK; \	821	PUTBACK; \
787	req_submit (req); \	822	req_submit (req); \
788	SPAGAIN; \	823	SPAGAIN; \
789	\	824	\
790	if (GIMME_V != G_VOID) \	825	if (GIMME_V != G_VOID) \
791	XPUSHs (req_sv (req, aio_req_stash));	826	XPUSHs (req_sv (req, aio_req_stash));
792		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
793	MODULE = IO::AIO PACKAGE = IO::AIO	894	MODULE = IO::AIO PACKAGE = IO::AIO
794		895
795	PROTOTYPES: ENABLE	896	PROTOTYPES: ENABLE
796		897
797	BOOT:	898	BOOT:
…		…
801	IV iv;	902	IV iv;
802	} *civ, const_iv[] = {	903	} *civ, const_iv[] = {
803	# define const_niv(name, value) { # name, (IV) value },	904	# define const_niv(name, value) { # name, (IV) value },
804	# define const_iv(name) { # name, (IV) name },	905	# define const_iv(name) { # name, (IV) name },
805	# 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)
806	const_iv (EXDEV)	911	const_iv (EXDEV)
807	const_iv (ENOSYS)	912	const_iv (EBADR)
		913
808	const_iv (O_RDONLY)	914	const_iv (O_RDONLY)
809	const_iv (O_WRONLY)	915	const_iv (O_WRONLY)
810	const_iv (O_RDWR)	916	const_iv (O_RDWR)
811	const_iv (O_CREAT)	917	const_iv (O_CREAT)
812	const_iv (O_TRUNC)	918	const_iv (O_TRUNC)
…		…
880	const_iv (MAP_LOCKED)	986	const_iv (MAP_LOCKED)
881	const_iv (MAP_NORESERVE)	987	const_iv (MAP_NORESERVE)
882	const_iv (MAP_POPULATE)	988	const_iv (MAP_POPULATE)
883	const_iv (MAP_NONBLOCK)	989	const_iv (MAP_NONBLOCK)
884		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
885	const_eio (MCL_FUTURE)	1019	const_eio (MCL_FUTURE)
886	const_eio (MCL_CURRENT)	1020	const_eio (MCL_CURRENT)
887		1021
888	const_eio (MS_ASYNC)	1022	const_eio (MS_ASYNC)
889	const_eio (MS_INVALIDATE)	1023	const_eio (MS_INVALIDATE)
…		…
894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1028	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895	const_eio (SYNC_FILE_RANGE_WRITE)	1029	const_eio (SYNC_FILE_RANGE_WRITE)
896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897		1031
898	const_eio (FALLOC_FL_KEEP_SIZE)	1032	const_eio (FALLOC_FL_KEEP_SIZE)
		1033	const_eio (FALLOC_FL_PUNCH_HOLE)
899		1034
900	const_eio (READDIR_DENTS)	1035	const_eio (READDIR_DENTS)
901	const_eio (READDIR_DIRS_FIRST)	1036	const_eio (READDIR_DIRS_FIRST)
902	const_eio (READDIR_STAT_ORDER)	1037	const_eio (READDIR_STAT_ORDER)
903	const_eio (READDIR_FOUND_UNKNOWN)	1038	const_eio (READDIR_FOUND_UNKNOWN)
…		…
914	};	1049	};
915		1050
916	aio_stash = gv_stashpv ("IO::AIO" , 1);	1051	aio_stash = gv_stashpv ("IO::AIO" , 1);
917	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1052	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918	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);
919		1055
920	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--)
921	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1057	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922		1058
923	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1059	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924		1060
925	create_respipe ();	1061	reinit ();
926
927	if (eio_init (want_poll, done_poll) < 0)
928	croak ("IO::AIO: unable to initialise eio library");
929
930	/* atfork child called in fifo order, so before eio's handler */
931	X_THREAD_ATFORK (0, 0, atfork_child);
932	}	1062	}
		1063
		1064	void
		1065	reinit ()
		1066	PROTOTYPE:
933		1067
934	void	1068	void
935	max_poll_reqs (unsigned int nreqs)	1069	max_poll_reqs (unsigned int nreqs)
936	PROTOTYPE: $	1070	PROTOTYPE: $
937	CODE:	1071	CODE:
…		…
972	PROTOTYPE: $	1106	PROTOTYPE: $
973	CODE:	1107	CODE:
974	max_outstanding = maxreqs;	1108	max_outstanding = maxreqs;
975		1109
976	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
977	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)
978	PPCODE:	1124	PPCODE:
979	{	1125	{
980	dREQ;	1126	dREQ;
981		1127
982	req->type = EIO_OPEN;	1128	req->type = EIO_OPEN;
983	req->sv1 = newSVsv (pathname);	1129	req_set_path1 (req, pathname);
984	req->ptr1 = SvPVbyte_nolen (req->sv1);
985	req->int1 = flags;	1130	req->int1 = flags;
986	req->int2 = mode;	1131	req->int2 = mode;
987		1132
988	REQ_SEND;	1133	REQ_SEND;
989	}	1134	}
…		…
991	void	1136	void
992	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1137	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
993	ALIAS:	1138	ALIAS:
994	aio_fsync = EIO_FSYNC	1139	aio_fsync = EIO_FSYNC
995	aio_fdatasync = EIO_FDATASYNC	1140	aio_fdatasync = EIO_FDATASYNC
		1141	aio_syncfs = EIO_SYNCFS
996	PPCODE:	1142	PPCODE:
997	{	1143	{
998	int fd = s_fileno_croak (fh, 0);	1144	int fd = s_fileno_croak (fh, 0);
999	dREQ;	1145	dREQ;
1000		1146
1001	req->type = ix;	1147	req->type = ix;
1002	req->sv1 = newSVsv (fh);	1148	req->sv1 = newSVsv (fh);
1003	req->int1 = fd;	1149	req->int1 = fd;
1004		1150
1005	REQ_SEND (req);	1151	REQ_SEND;
1006	}	1152	}
1007		1153
1008	void	1154	void
1009	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)
1010	PPCODE:	1156	PPCODE:
1011	{	1157	{
1012	int fd = s_fileno_croak (fh, 0);	1158	int fd = s_fileno_croak (fh, 0);
1013	dREQ;	1159	dREQ;
1014		1160
1015	req->type = EIO_SYNC_FILE_RANGE;	1161	req->type = EIO_SYNC_FILE_RANGE;
1016	req->sv1 = newSVsv (fh);	1162	req->sv1 = newSVsv (fh);
1017	req->int1 = fd;	1163	req->int1 = fd;
1018	req->offs = offset;	1164	req->offs = offset;
1019	req->size = nbytes;	1165	req->size = nbytes;
1020	req->int2 = flags;	1166	req->int2 = flags;
1021		1167
1022	REQ_SEND (req);	1168	REQ_SEND;
1023	}	1169	}
1024		1170
1025	void	1171	void
1026	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)
1027	PPCODE:	1173	PPCODE:
1028	{	1174	{
1029	int fd = s_fileno_croak (fh, 0);	1175	int fd = s_fileno_croak (fh, 0);
1030	dREQ;	1176	dREQ;
1031		1177
1032	req->type = EIO_FALLOCATE;	1178	req->type = EIO_FALLOCATE;
1033	req->sv1 = newSVsv (fh);	1179	req->sv1 = newSVsv (fh);
1034	req->int1 = fd;	1180	req->int1 = fd;
1035	req->int2 = mode;	1181	req->int2 = mode;
1036	req->offs = offset;	1182	req->offs = offset;
1037	req->size = len;	1183	req->size = len;
1038		1184
1039	REQ_SEND (req);	1185	REQ_SEND;
1040	}	1186	}
1041		1187
1042	void	1188	void
1043	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1189	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1044	PPCODE:	1190	PPCODE:
1045	{	1191	{
1046	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 */
1047	int fd = s_fileno_croak (fh, 0);	1193	int fd = s_fileno_croak (fh, 0);
1048	dREQ;	1194	dREQ;
1049		1195
1050	if (expect_false (close_fd < 0))	1196	if (expect_false (close_fd < 0))
1051	{	1197	{
1052	int pipefd [2];	1198	int pipefd [2];
…		…
1068	req->type = EIO_DUP2;	1214	req->type = EIO_DUP2;
1069	req->int1 = close_fd;	1215	req->int1 = close_fd;
1070	req->sv2 = newSVsv (fh);	1216	req->sv2 = newSVsv (fh);
1071	req->int2 = fd;	1217	req->int2 = fd;
1072		1218
1073	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;
1074	}	1236	}
1075		1237
1076	void	1238	void
1077	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)
1078	ALIAS:	1240	ALIAS:
…		…
1099	}	1261	}
1100	else	1262	else
1101	{	1263	{
1102	/* read: check type and grow scalar as necessary */	1264	/* read: check type and grow scalar as necessary */
1103	SvUPGRADE (data, SVt_PV);	1265	SvUPGRADE (data, SVt_PV);
		1266	if (SvLEN (data) >= SvCUR (data))
1104	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");
1105	}	1270	}
1106		1271
1107	{	1272	{
1108	dREQ;	1273	dREQ;
1109		1274
…		…
1125	REQ_SEND;	1290	REQ_SEND;
1126	}	1291	}
1127	}	1292	}
1128		1293
1129	void	1294	void
1130	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1295	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1131	ALIAS:	1296	ALIAS:
1132	aio_readlink = EIO_READLINK	1297	aio_readlink = EIO_READLINK
1133	aio_realpath = EIO_REALPATH	1298	aio_realpath = EIO_REALPATH
1134	PPCODE:	1299	PPCODE:
1135	{	1300	{
1136	dREQ;	1301	dREQ;
1137		1302
1138	req->type = ix;	1303	req->type = ix;
1139	req->sv1 = newSVsv (path);	1304	req_set_path1 (req, pathname);
1140	req->ptr1 = SvPVbyte_nolen (req->sv1);
1141		1305
1142	REQ_SEND;	1306	REQ_SEND;
1143	}	1307	}
1144		1308
1145	void	1309	void
1146	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)
1147	PPCODE:	1311	PPCODE:
1148	{	1312	{
1149	int ifd = s_fileno_croak (in_fh , 0);	1313	int ifd = s_fileno_croak (in_fh , 0);
1150	int ofd = s_fileno_croak (out_fh, 1);	1314	int ofd = s_fileno_croak (out_fh, 1);
1151	dREQ;	1315	dREQ;
1152		1316
1153	req->type = EIO_SENDFILE;	1317	req->type = EIO_SENDFILE;
1154	req->sv1 = newSVsv (out_fh);	1318	req->sv1 = newSVsv (out_fh);
1155	req->int1 = ofd;	1319	req->int1 = ofd;
…		…
1163		1327
1164	void	1328	void
1165	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)
1166	PPCODE:	1330	PPCODE:
1167	{	1331	{
1168	int fd = s_fileno_croak (fh, 0);	1332	int fd = s_fileno_croak (fh, 0);
1169	dREQ;	1333	dREQ;
1170		1334
1171	req->type = EIO_READAHEAD;	1335	req->type = EIO_READAHEAD;
1172	req->sv1 = newSVsv (fh);	1336	req->sv1 = newSVsv (fh);
1173	req->int1 = fd;	1337	req->int1 = fd;
…		…
1185	aio_statvfs = EIO_STATVFS	1349	aio_statvfs = EIO_STATVFS
1186	PPCODE:	1350	PPCODE:
1187	{	1351	{
1188	dREQ;	1352	dREQ;
1189		1353
1190	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1191
1192	if (SvPOK (req->sv1))
1193	{
1194	req->type = ix;
1195	req->ptr1 = SvPVbyte_nolen (req->sv1);
1196	}
1197	else
1198	{
1199	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1200	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201	}
1202		1355
1203	REQ_SEND;	1356	REQ_SEND;
1204	}	1357	}
1205		1358
1206	UV	1359	UV
…		…
1225	{	1378	{
1226	dREQ;	1379	dREQ;
1227		1380
1228	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1382	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230	req->sv1 = newSVsv (fh_or_path);	1383	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1231
1232	if (SvPOK (req->sv1))
1233	{
1234	req->type = EIO_UTIME;
1235	req->ptr1 = SvPVbyte_nolen (req->sv1);
1236	}
1237	else
1238	{
1239	req->type = EIO_FUTIME;
1240	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241	}
1242		1384
1243	REQ_SEND;	1385	REQ_SEND;
1244	}	1386	}
1245		1387
1246	void	1388	void
1247	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)
1248	PPCODE:	1390	PPCODE:
1249	{	1391	{
1250	dREQ;	1392	dREQ;
1251		1393
1252	req->sv1 = newSVsv (fh_or_path);
1253	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254		1395	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1255	if (SvPOK (req->sv1))
1256	{
1257	req->type = EIO_TRUNCATE;
1258	req->ptr1 = SvPVbyte_nolen (req->sv1);
1259	}
1260	else
1261	{
1262	req->type = EIO_FTRUNCATE;
1263	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1264	}
1265		1396
1266	REQ_SEND;	1397	REQ_SEND;
1267	}	1398	}
1268		1399
1269	void	1400	void
1270	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)
1271	ALIAS:
1272	aio_chmod = EIO_CHMOD
1273	aio_mkdir = EIO_MKDIR
1274	PPCODE:	1402	PPCODE:
1275	{	1403	{
1276	dREQ;	1404	dREQ;
1277		1405
1278	req->int2 = mode;	1406	req->int2 = mode;
1279	req->sv1 = newSVsv (fh_or_path);	1407	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1280
1281	if (SvPOK (req->sv1))
1282	{
1283	req->type = ix;
1284	req->ptr1 = SvPVbyte_nolen (req->sv1);
1285	}
1286	else
1287	{
1288	req->type = EIO_FCHMOD;
1289	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1290	}
1291		1408
1292	REQ_SEND;	1409	REQ_SEND;
1293	}	1410	}
1294		1411
1295	void	1412	void
…		…
1298	{	1415	{
1299	dREQ;	1416	dREQ;
1300		1417
1301	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1419	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303	req->sv1 = newSVsv (fh_or_path);	1420	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1304
1305	if (SvPOK (req->sv1))
1306	{
1307	req->type = EIO_CHOWN;
1308	req->ptr1 = SvPVbyte_nolen (req->sv1);
1309	}
1310	else
1311	{
1312	req->type = EIO_FCHOWN;
1313	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1314	}
1315		1421
1316	REQ_SEND;	1422	REQ_SEND;
1317	}	1423	}
1318		1424
1319	void	1425	void
…		…
1321	PPCODE:	1427	PPCODE:
1322	{	1428	{
1323	dREQ;	1429	dREQ;
1324		1430
1325	req->type = EIO_READDIR;	1431	req->type = EIO_READDIR;
1326	req->sv1 = newSVsv (pathname);
1327	req->ptr1 = SvPVbyte_nolen (req->sv1);
1328	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1432	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329		1433
1330	if (flags & EIO_READDIR_DENTS)	1434	if (flags & EIO_READDIR_DENTS)
1331	req->int1 |= EIO_READDIR_CUSTOM2;	1435	req->int1 |= EIO_READDIR_CUSTOM2;
1332		1436
		1437	req_set_path1 (req, pathname);
		1438
1333	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;
1334	}	1453	}
1335		1454
1336	void	1455	void
1337	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1456	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1338	ALIAS:	1457	ALIAS:
…		…
1342	PPCODE:	1461	PPCODE:
1343	{	1462	{
1344	dREQ;	1463	dREQ;
1345		1464
1346	req->type = ix;	1465	req->type = ix;
1347	req->sv1 = newSVsv (pathname);	1466	req_set_path1 (req, pathname);
1348	req->ptr1 = SvPVbyte_nolen (req->sv1);
1349		1467
1350	REQ_SEND;	1468	REQ_SEND;
1351	}	1469	}
1352		1470
1353	void	1471	void
…		…
1356	aio_link = EIO_LINK	1474	aio_link = EIO_LINK
1357	aio_symlink = EIO_SYMLINK	1475	aio_symlink = EIO_SYMLINK
1358	aio_rename = EIO_RENAME	1476	aio_rename = EIO_RENAME
1359	PPCODE:	1477	PPCODE:
1360	{	1478	{
		1479	eio_wd wd2 = 0;
1361	dREQ;	1480	dREQ;
1362		1481
1363	req->type = ix;	1482	req->type = ix;
1364	req->sv1 = newSVsv (oldpath);	1483	req_set_path1 (req, oldpath);
1365	req->ptr1 = SvPVbyte_nolen (req->sv1);	1484	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366	req->sv2 = newSVsv (newpath);	1485	req->int3 = (long)wd2;
1367	req->ptr2 = SvPVbyte_nolen (req->sv2);
1368		1486
1369	REQ_SEND;	1487	REQ_SEND;
1370	}	1488	}
1371		1489
1372	void	1490	void
…		…
1374	PPCODE:	1492	PPCODE:
1375	{	1493	{
1376	dREQ;	1494	dREQ;
1377		1495
1378	req->type = EIO_MKNOD;	1496	req->type = EIO_MKNOD;
1379	req->sv1 = newSVsv (pathname);
1380	req->ptr1 = SvPVbyte_nolen (req->sv1);
1381	req->int2 = (mode_t)mode;	1497	req->int2 = (mode_t)mode;
1382	req->offs = dev;	1498	req->offs = dev;
		1499	req_set_path1 (req, pathname);
1383		1500
1384	REQ_SEND;	1501	REQ_SEND;
1385	}	1502	}
1386		1503
1387	void	1504	void
…		…
1454		1571
1455	req->type = EIO_MLOCKALL;	1572	req->type = EIO_MLOCKALL;
1456	req->int1 = flags;	1573	req->int1 = flags;
1457		1574
1458	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;
1459	}	1599	}
1460		1600
1461	void	1601	void
1462	aio_busy (double delay, SV *callback=&PL_sv_undef)	1602	aio_busy (double delay, SV *callback=&PL_sv_undef)
1463	PPCODE:	1603	PPCODE:
…		…
1587	CODE:	1727	CODE:
1588	RETVAL = posix_fadvise (fh, offset, length, advice);	1728	RETVAL = posix_fadvise (fh, offset, length, advice);
1589	OUTPUT:	1729	OUTPUT:
1590	RETVAL	1730	RETVAL
1591		1731
1592	ssize_t	1732	IV
1593	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)
1594	CODE:	1734	CODE:
1595	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1735	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596	OUTPUT:	1736	OUTPUT:
1597	RETVAL	1737	RETVAL
1598		1738
1599	void	1739	void
1600	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)
1601	PPCODE:	1741	PPCODE:
1602	sv_unmagic (scalar, MMAP_MAGIC);	1742	sv_unmagic (scalar, MMAP_MAGIC);
1603	{	1743	{
1604	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;
1605	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1745	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1638	ALIAS:	1778	ALIAS:
1639	mprotect = 1	1779	mprotect = 1
1640	CODE:	1780	CODE:
1641	{	1781	{
1642	STRLEN svlen;	1782	STRLEN svlen;
1643	void *addr = SvPVbyte (scalar, svlen);	1783	void *addr = SvPVbyte (scalar, svlen);
1644	size_t len = SvUV (length);	1784	size_t len = SvUV (length);
1645		1785
1646	if (offset < 0)	1786	if (offset < 0)
1647	offset += svlen;	1787	offset += svlen;
1648		1788
…		…
1667	int	1807	int
1668	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)
1669	CODE:	1809	CODE:
1670	{	1810	{
1671	STRLEN svlen;	1811	STRLEN svlen;
1672	void *addr = SvPVbyte (scalar, svlen);	1812	void *addr = SvPVbyte (scalar, svlen);
1673	size_t len = SvUV (length);	1813	size_t len = SvUV (length);
1674		1814
1675	if (offset < 0)	1815	if (offset < 0)
1676	offset += svlen;	1816	offset += svlen;
1677		1817
…		…
1684	addr = (void *)(((intptr_t)addr) + offset);	1824	addr = (void *)(((intptr_t)addr) + offset);
1685	eio_page_align (&addr, &len);	1825	eio_page_align (&addr, &len);
1686	#if _POSIX_MEMLOCK_RANGE	1826	#if _POSIX_MEMLOCK_RANGE
1687	RETVAL = munlock (addr, len);	1827	RETVAL = munlock (addr, len);
1688	#else	1828	#else
1689	RETVAL = ((errno = ENOSYS), -1);	1829	RETVAL = EIO_ENOSYS ();
1690	#endif	1830	#endif
1691	}	1831	}
1692	OUTPUT:	1832	OUTPUT:
1693	RETVAL	1833	RETVAL
1694		1834
…		…
1696	munlockall ()	1836	munlockall ()
1697	CODE:	1837	CODE:
1698	#if _POSIX_MEMLOCK	1838	#if _POSIX_MEMLOCK
1699	munlockall ();	1839	munlockall ();
1700	#else	1840	#else
1701	RETVAL = -1;	1841	RETVAL = EIO_ENOSYS ();
1702	errno = ENOSYS;
1703	#endif	1842	#endif
1704	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:
1705	RETVAL	1873	RETVAL
1706		1874
1707	void _on_next_submit (SV *cb)	1875	void _on_next_submit (SV *cb)
1708	CODE:	1876	CODE:
1709	SvREFCNT_dec (on_next_submit);	1877	SvREFCNT_dec (on_next_submit);
1710	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1878	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711		1879
1712	PROTOTYPES: DISABLE	1880	PROTOTYPES: DISABLE
1713		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
1714	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1910	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715		1911
1716	void	1912	void
1717	cancel (aio_req_ornot req)	1913	cancel (aio_req_ornot req)
1718	CODE:	1914	CODE:

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