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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.186 by root, Thu Jul 14 22:36:17 2011 UTC vs.
Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
		31	#endif
		32
24	/* perl namespace pollution */	33	/* perl namespace pollution */
25	#undef VERSION	34	#undef VERSION
26
27	#ifdef _WIN32
28
29	# define EIO_STRUCT_DIRENT Direntry_t
30	# undef malloc
31	# undef free
32
33	// perl overrides all those nice win32 functions
34	# undef open
35	# undef read
36	# undef write
37	# undef send
38	# undef recv
39	# undef stat
40	# undef fstat
41	# define lstat stat
42	# undef truncate
43	# undef ftruncate
44	# undef open
45	# undef close
46	# undef unlink
47	# undef rmdir
48	# undef rename
49	# undef lseek
50
51	# define opendir(fd) (errno = ENOSYS, 0)
52	# define readdir(fd) (errno = ENOSYS, -1)
53	# define closedir(fd) (errno = ENOSYS, -1)
54
55	#else
56
57	# include <sys/time.h>
58	# include <sys/select.h>
59	# include <unistd.h>
60	# include <utime.h>
61	# include <signal.h>
62	# define EIO_STRUCT_DIRENT struct dirent
63
64	#endif
65		35
66	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
67	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
68	#undef readdir	38	#undef readdir
69	#undef opendir	39	#undef opendir
70	#undef closedir	40	#undef closedir
71		41
		42	#ifdef _WIN32
		43
		44	// perl overrides all those nice libc functions
		45
		46	#undef malloc
		47	#undef free
		48	#undef open
		49	#undef read
		50	#undef write
		51	#undef send
		52	#undef recv
		53	#undef stat
		54	#undef lstat
		55	#undef fstat
		56	#undef truncate
		57	#undef ftruncate
		58	#undef open
		59	#undef link
		60	#undef close
		61	#undef unlink
		62	#undef mkdir
		63	#undef rmdir
		64	#undef rename
		65	#undef lseek
		66	#undef opendir
		67	#undef readdir
		68	#undef closedir
		69	#undef chmod
		70	#undef fchmod
		71	#undef dup
		72	#undef dup2
		73	#undef abort
		74	#undef pipe
		75
		76	#define EIO_STRUCT_STAT struct _stati64
72	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STATI64
73		78
74	/* use NV for 32 bit perls as it allows larger offsets */
75	#if IVSIZE >= 8
76	# define VAL64 IV
77	# define SvVAL64 SvIV
78	# define newSVval64 newSViv
79	#else	79	#else
80	# define VAL64 NV	80
81	# define SvVAL64 SvNV	81	#include <sys/time.h>
82	# define newSVval64 newSVnv	82	#include <sys/select.h>
		83	#include <unistd.h>
		84	#include <utime.h>
		85	#include <signal.h>
		86
		87	#define EIO_STRUCT_STAT Stat_t
		88
83	#endif	89	#endif
84		90
85	/*****************************************************************************/	91	/*****************************************************************************/
86		92
87	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
97		103
98	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
99	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
100	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
101		107
102	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
103		109
104	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
105	SV *callback; \	111	SV *callback; \
106	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
107	STRLEN stroffset; \	114	STRLEN stroffset; \
108	SV *self;	115	SV *self;
109		116
110	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
111		118
112	#include "libeio/config.h"	119	#include "libeio/config.h"
113	#include "libeio/eio.h"	120	#include "libeio/eio.h"
114		121
115	/* Linux/others */	122	static int req_invoke (eio_req *req);
116	#ifndef O_ASYNC	123	#define EIO_FINISH(req) req_invoke (req)
117	# define O_ASYNC 0	124	static void req_destroy (eio_req *grp);
118	#endif	125	#define EIO_DESTROY(req) req_destroy (req)
119	#ifndef O_DIRECT
120	# define O_DIRECT 0
121	#endif
122	#ifndef O_NOATIME
123	# define O_NOATIME 0
124	#endif
125		126
126	/* POSIX */	127	#include "libeio/eio.c"
127	#ifndef O_CLOEXEC
128	# define O_CLOEXEC 0
129	#endif
130	#ifndef O_NOFOLLOW
131	# define O_NOFOLLOW 0
132	#endif
133	#ifndef O_NOCTTY
134	# define O_NOCTTY 0
135	#endif
136	#ifndef O_NONBLOCK
137	# define O_NONBLOCK 0
138	#endif
139	#ifndef O_EXEC
140	# define O_EXEC 0
141	#endif
142	#ifndef O_SEARCH
143	# define O_SEARCH 0
144	#endif
145	#ifndef O_DIRECTORY
146	# define O_DIRECTORY 0
147	#endif
148	#ifndef O_DSYNC
149	# define O_DSYNC 0
150	#endif
151	#ifndef O_RSYNC
152	# define O_RSYNC 0
153	#endif
154	#ifndef O_SYNC
155	# define O_SYNC 0
156	#endif
157	#ifndef O_TTY_INIT
158	# define O_TTY_INIT 0
159	#endif
160
161	#ifndef POSIX_FADV_NORMAL
162	# define POSIX_FADV_NORMAL 0
163	#endif
164	#ifndef POSIX_FADV_SEQUENTIAL
165	# define POSIX_FADV_SEQUENTIAL 0
166	#endif
167	#ifndef POSIX_FADV_RANDOM
168	# define POSIX_FADV_RANDOM 0
169	#endif
170	#ifndef POSIX_FADV_NOREUSE
171	# define POSIX_FADV_NOREUSE 0
172	#endif
173	#ifndef POSIX_FADV_WILLNEED
174	# define POSIX_FADV_WILLNEED 0
175	#endif
176	#ifndef POSIX_FADV_DONTNEED
177	# define POSIX_FADV_DONTNEED 0
178	#endif
179		128
180	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
181	# 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 */
182	#endif	131	#endif
183		132
184	#ifndef POSIX_MADV_NORMAL
185	# define POSIX_MADV_NORMAL 0
186	#endif
187	#ifndef POSIX_MADV_SEQUENTIAL
188	# define POSIX_MADV_SEQUENTIAL 0
189	#endif
190	#ifndef POSIX_MADV_RANDOM
191	# define POSIX_MADV_RANDOM 0
192	#endif
193	#ifndef POSIX_MADV_WILLNEED
194	# define POSIX_MADV_WILLNEED 0
195	#endif
196	#ifndef POSIX_MADV_DONTNEED
197	# define POSIX_MADV_DONTNEED 0
198	#endif
199
200	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
201	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
202	#endif
203
204	#ifndef PROT_NONE
205	# define PROT_NONE 0
206	#endif
207	#ifndef PROT_READ
208	# define PROT_READ 0
209	#endif
210	#ifndef PROT_WRITE
211	# define PROT_READ 0
212	#endif
213	#ifndef PROT_EXEC
214	# define PROT_EXEC 0
215	#endif
216
217	#ifndef ST_NODEV
218	# define ST_NODEV 0
219	#endif
220	#ifndef ST_NOEXEC
221	# define ST_NOEXEC 0
222	#endif
223	#ifndef ST_SYNCHRONOUS
224	# define ST_SYNCHRONOUS 0
225	#endif
226	#ifndef ST_MANDLOCK
227	# define ST_MANDLOCK 0
228	#endif
229	#ifndef ST_WRITE
230	# define ST_WRITE 0
231	#endif
232	#ifndef ST_APPEND
233	# define ST_APPEND 0
234	#endif
235	#ifndef ST_IMMUTABLE
236	# define ST_IMMUTABLE 0
237	#endif
238	#ifndef ST_NOATIME
239	# define ST_NOATIME 0
240	#endif
241	#ifndef ST_NODIRATIME
242	# define ST_NODIRATIME 0
243	#endif
244	#ifndef ST_RELATIME
245	# define ST_RELATIME 0
246	#endif
247
248	#ifndef S_IFIFO
249	# define S_IFIFO 0
250	#endif
251	#ifndef S_IFCHR
252	# define S_IFCHR 0
253	#endif
254	#ifndef S_IFBLK
255	# define S_IFBLK 0
256	#endif
257	#ifndef S_IFLNK
258	# define S_IFLNK 0
259	#endif
260	#ifndef S_IFREG
261	# define S_IFREG 0
262	#endif
263	#ifndef S_IFDIR
264	# define S_IFDIR 0
265	#endif
266	#ifndef S_IFWHT
267	# define S_IFWHT 0
268	#endif
269	#ifndef S_IFSOCK
270	# define S_IFSOCK 0
271	#endif	135	#endif
272		136
273	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
274	# ifdef MAP_ANON	138	# ifdef MAP_ANON
275	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
276	# else	140	# else
277	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
278	# endif	142	# endif
279	#endif	143	#endif
280	#ifndef MAP_HUGETLB	144
281	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
282	#endif	146	#include "def0.h"
283	#ifndef MAP_LOCKED
284	# define MAP_LOCKED 0
285	#endif
286	#ifndef MAP_NORESERVE
287	# define MAP_NORESERVE 0
288	#endif
289	#ifndef MAP_POPULATE
290	# define MAP_POPULATE 0
291	#endif
292	#ifndef MAP_NONBLOCK
293	# define MAP_NONBLOCK 0
294	#endif
295		147
296	#ifndef makedev	148	#ifndef makedev
297	# define makedev(maj,min) (((maj) << 8) | (min))	149	# define makedev(maj,min) (((maj) << 8) | (min))
298	#endif	150	#endif
299	#ifndef major	151	#ifndef major
…		…
305		157
306	#ifndef PAGESIZE	158	#ifndef PAGESIZE
307	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
308	#endif	160	#endif
309		161
310	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
311	#define EIO_FINISH(req) req_invoke (req)	163
312	static void req_destroy (eio_req *grp);	164	static void
313	#define EIO_DESTROY(req) req_destroy (req)	165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	int count = req->int3;
		171
		172	/* heuristic: first try with 72 extents if we don't know how many, */
		173	/* as most files have (hopefully) fewer than this many extents */
		174	/* in fact, most should have <= 2, so the 72 below is probably overkill */
		175	if (count < 0)
		176	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
		177
		178	for (;;)
		179	{
		180	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		181	errno = ENOMEM;
		182	if (!fiemap)
		183	return;
		184
		185	req->ptr1 = fiemap;
		186	req->flags |= EIO_FLAG_PTR1_FREE;
		187
		188	fiemap->fm_start = req->offs;
		189	fiemap->fm_length = req->size;
		190	fiemap->fm_flags = req->int2;
		191	fiemap->fm_extent_count = count;
		192
		193	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		194	return;
		195
		196	if (req->int3 >= 0)
		197	break; /* when not autosizing we are done */
		198
		199	if (fiemap->fm_mapped_extents < count)
		200	/* either autosizing succeeded,
		201	* or the file had no extents
		202	* or we luckily had enough space */
		203	break;
		204
		205	/* some kernels overwrite fm_length, so just reset everything */
		206	fiemap->fm_start = req->offs;
		207	fiemap->fm_length = req->size;
		208	fiemap->fm_flags = req->int2;
		209	fiemap->fm_extent_count = 0;
		210
		211	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		212	return;
		213
		214	/* to work around a kernel bug, we allocate one more */
		215	count = fiemap->fm_mapped_extents + 1;
		216
		217	free (fiemap);
		218	}
		219
		220	req->result = 0;
		221
		222	#else
		223	errno = ENOSYS;
		224	#endif
		225	}
		226
		227	/*****************************************************************************/
314		228
315	enum {	229	enum {
316	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	230	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
317	};	231	};
318		232
319	#include "libeio/eio.c"
320
321	typedef eio_req *aio_req;	233	typedef eio_req *aio_req;
322	typedef eio_req *aio_req_ornot;	234	typedef eio_req *aio_req_ornot;
		235	typedef eio_wd aio_wd;
323		236
324	static SV *on_next_submit;	237	static SV *on_next_submit;
325	static int next_pri = EIO_PRI_DEFAULT;	238	static int next_pri = EIO_PRI_DEFAULT;
326	static int max_outstanding;	239	static int max_outstanding;
327		240
328	static s_epipe respipe;	241	static s_epipe respipe;
329		242
330	static void req_destroy (aio_req req);	243	static void req_destroy (aio_req req);
331	static void req_cancel (aio_req req);	244	static void req_cancel (aio_req req);
332		245
333	static void want_poll (void)	246	static void
		247	want_poll (void)
334	{	248	{
335	/* write a dummy byte to the pipe so fh becomes ready */	249	/* write a dummy byte to the pipe so fh becomes ready */
336	s_epipe_signal (&respipe);	250	s_epipe_signal (&respipe);
337	}	251	}
338		252
339	static void done_poll (void)	253	static void
		254	done_poll (void)
340	{	255	{
341	/* read any signals sent by the worker threads */	256	/* read any signals sent by the worker threads */
342	s_epipe_drain (&respipe);	257	s_epipe_drain (&respipe);
343	}	258	}
344		259
345	/* must be called at most once */	260	/* must be called at most once */
		261	static SV *
346	static SV *req_sv (aio_req req, HV *stash)	262	req_sv (aio_req req, HV *stash)
347	{	263	{
348	if (!req->self)	264	if (!req->self)
349	{	265	{
350	req->self = (SV *)newHV ();	266	req->self = (SV *)newHV ();
351	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	267	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
352	}	268	}
353		269
354	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	270	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
355	}	271	}
356		272
357	static aio_req SvAIO_REQ (SV *sv)	273	static SV *
		274	newSVaio_wd (aio_wd wd)
		275	{
		276	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		277	}
		278
		279	static aio_req
		280	SvAIO_REQ (SV *sv)
358	{	281	{
359	MAGIC *mg;	282	MAGIC *mg;
360		283
361	if (!SvROK (sv)	284	if (!SvROK (sv)
		285	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
362	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	286	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
363	&& SvSTASH (SvRV (sv)) != aio_req_stash	287	&& SvSTASH (SvRV (sv)) != aio_req_stash
364	&& !sv_derived_from (sv, "IO::AIO::REQ")))	288	&& !sv_derived_from (sv, "IO::AIO::REQ")))
365	croak ("object of class IO::AIO::REQ expected");	289	croak ("object of class IO::AIO::REQ expected");
366		290
367	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	291	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
368		292
369	return mg ? (aio_req)mg->mg_ptr : 0;	293	return mg ? (aio_req)mg->mg_ptr : 0;
370	}	294	}
371		295
		296	static aio_wd
		297	SvAIO_WD (SV *sv)
		298	{
		299	if (!SvROK (sv)
		300	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		301	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		302	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		303
		304	return (aio_wd)(long)SvIVX (SvRV (sv));
		305	}
		306
		307	static void
372	static void aio_grp_feed (aio_req grp)	308	aio_grp_feed (aio_req grp)
373	{	309	{
374	if (grp->sv2 && SvOK (grp->sv2))	310	if (grp->sv2 && SvOK (grp->sv2))
375	{	311	{
376	dSP;	312	dSP;
377		313
…		…
385	FREETMPS;	321	FREETMPS;
386	LEAVE;	322	LEAVE;
387	}	323	}
388	}	324	}
389		325
		326	static void
390	static void req_submit (eio_req *req)	327	req_submit (eio_req *req)
391	{	328	{
392	eio_submit (req);	329	eio_submit (req);
393		330
394	if (expect_false (on_next_submit))	331	if (expect_false (on_next_submit))
395	{	332	{
…		…
402	PUTBACK;	339	PUTBACK;
403	call_sv (cb, G_DISCARD | G_EVAL);	340	call_sv (cb, G_DISCARD | G_EVAL);
404	}	341	}
405	}	342	}
406		343
		344	static int
407	static int req_invoke (eio_req *req)	345	req_invoke (eio_req *req)
408	{	346	{
409	if (req->flags & FLAG_SV2_RO_OFF)	347	if (req->flags & FLAG_SV2_RO_OFF)
410	SvREADONLY_off (req->sv2);	348	SvREADONLY_off (req->sv2);
411		349
412	if (!EIO_CANCELLED (req) && req->callback)	350	if (!EIO_CANCELLED (req) && req->callback)
…		…
433	SvREADONLY_on (sv_result);	371	SvREADONLY_on (sv_result);
434	}	372	}
435		373
436	switch (req->type)	374	switch (req->type)
437	{	375	{
		376	case EIO_WD_OPEN:
		377	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		378	break;
		379
438	case EIO_READDIR:	380	case EIO_READDIR:
439	{	381	{
440	SV *rv = &PL_sv_undef;	382	SV *rv = &PL_sv_undef;
441		383
442	if (req->result >= 0)	384	if (req->result >= 0)
…		…
530	case EIO_STATVFS:	472	case EIO_STATVFS:
531	case EIO_FSTATVFS:	473	case EIO_FSTATVFS:
532	{	474	{
533	SV *rv = &PL_sv_undef;	475	SV *rv = &PL_sv_undef;
534		476
		477	#ifndef _WIN32
535	if (req->result >= 0)	478	if (req->result >= 0)
536	{	479	{
537	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	480	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
538	HV *hv = newHV ();	481	HV *hv = newHV ();
539		482
…		…
549	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	492	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
550	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	493	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
551	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	494	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
552	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	495	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
553	}	496	}
		497	#endif
554		498
555	PUSHs (rv);	499	PUSHs (rv);
556	}	500	}
557		501
558	break;	502	break;
…		…
582	break;	526	break;
583		527
584	case EIO_STAT:	528	case EIO_STAT:
585	case EIO_LSTAT:	529	case EIO_LSTAT:
586	case EIO_FSTAT:	530	case EIO_FSTAT:
587	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	531	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		532
588	PL_laststatval = req->result;	533	if (!(PL_laststatval = req->result))
		534	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
589	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	535	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		536
590	PUSHs (sv_result);	537	PUSHs (sv_result);
		538	break;
		539
		540	case EIO_SEEK:
		541	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
591	break;	542	break;
592		543
593	case EIO_READ:	544	case EIO_READ:
594	{	545	{
595	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	546	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
598	SvSETMAGIC (req->sv2);	549	SvSETMAGIC (req->sv2);
599	PUSHs (sv_result);	550	PUSHs (sv_result);
600	}	551	}
601	break;	552	break;
602		553
		554	case EIO_CUSTOM:
		555	if (req->feed == fiemap)
		556	{
		557	#if HAVE_FIEMAP
		558	if (!req->result)
		559	{
		560	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		561
		562	if (fiemap->fm_extent_count)
		563	{
		564	AV *av = newAV ();
		565	int i;
		566
		567	while (fiemap->fm_mapped_extents)
		568	{
		569	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		570	AV *ext_av = newAV ();
		571
		572	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		573	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		574	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		575	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		576
		577	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		578	}
		579
		580	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		581	}
		582	else
		583	{
		584	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		585	PUSHs (sv_result);
		586	}
		587	}
		588	#endif
		589	}
		590	else
		591	PUSHs (sv_result);
		592	break;
		593
603	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	594	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
604	if (req->result > 0)	595	if (req->result > 0)
605	SvIV_set (sv_result, 0);	596	SvIV_set (sv_result, 0);
606	/* FALLTHROUGH */	597	/* FALLTHROUGH */
607		598
…		…
628	}	619	}
629		620
630	return !!SvTRUE (ERRSV);	621	return !!SvTRUE (ERRSV);
631	}	622	}
632		623
		624	static void
633	static void req_destroy (aio_req req)	625	req_destroy (aio_req req)
634	{	626	{
635	if (req->self)	627	if (req->self)
636	{	628	{
637	sv_unmagic (req->self, PERL_MAGIC_ext);	629	sv_unmagic (req->self, PERL_MAGIC_ext);
638	SvREFCNT_dec (req->self);	630	SvREFCNT_dec (req->self);
639	}	631	}
640		632
641	SvREFCNT_dec (req->sv1);	633	SvREFCNT_dec (req->sv1);
642	SvREFCNT_dec (req->sv2);	634	SvREFCNT_dec (req->sv2);
		635	SvREFCNT_dec (req->sv3);
		636	SvREFCNT_dec (req->sv4);
643	SvREFCNT_dec (req->callback);	637	SvREFCNT_dec (req->callback);
644		638
645	Safefree (req);	639	free (req);
646	}	640	}
647		641
		642	static void
648	static void req_cancel_subs (aio_req grp)	643	req_cancel_subs (aio_req grp)
649	{	644	{
650	aio_req sub;
651
652	if (grp->type != EIO_GROUP)	645	if (grp->type != EIO_GROUP)
653	return;	646	return;
654		647
655	SvREFCNT_dec (grp->sv2);	648	SvREFCNT_dec (grp->sv2);
656	grp->sv2 = 0;	649	grp->sv2 = 0;
657		650
658	eio_grp_cancel (grp);	651	eio_grp_cancel (grp);
659	}	652	}
660		653
		654	static void ecb_cold
661	static void create_respipe (void)	655	create_respipe (void)
662	{	656	{
663	if (s_epipe_renew (&respipe))	657	if (s_epipe_renew (&respipe))
664	croak ("IO::AIO: unable to initialize result pipe");	658	croak ("IO::AIO: unable to initialize result pipe");
665	}	659	}
666		660
667	static void poll_wait (void)	661	static void
		662	poll_wait (void)
668	{	663	{
669	while (eio_nreqs ())	664	while (eio_nreqs ())
670	{	665	{
671	int size;	666	int size;
672		667
…		…
681		676
682	s_epipe_wait (&respipe);	677	s_epipe_wait (&respipe);
683	}	678	}
684	}	679	}
685		680
686	static int poll_cb (void)	681	static int
		682	poll_cb (void)
687	{	683	{
688	for (;;)	684	for (;;)
689	{	685	{
690	int res = eio_poll ();	686	int res = eio_poll ();
691		687
…		…
697		693
698	poll_wait ();	694	poll_wait ();
699	}	695	}
700	}	696	}
701		697
702	static void atfork_child (void)	698	static void ecb_cold
		699	reinit (void)
703	{	700	{
704	create_respipe ();	701	create_respipe ();
		702
		703	if (eio_init (want_poll, done_poll) < 0)
		704	croak ("IO::AIO: unable to initialise eio library");
705	}	705	}
706		706
707	/*****************************************************************************/	707	/*****************************************************************************/
708		708
709	#if !_POSIX_MAPPED_FILES	709	#if !_POSIX_MAPPED_FILES
710	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	710	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
711	# define munmap(addr,length) (errno = ENOSYS, -1)	711	# define munmap(addr,length) EIO_ENOSYS ()
712	#endif	712	#endif
713		713
714	#if !_POSIX_MEMORY_PROTECTION	714	#if !_POSIX_MEMORY_PROTECTION
715	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	715	# define mprotect(addr,len,prot) EIO_ENOSYS ()
716	# define PROT_NONE 0	716	# define PROT_NONE 0
717	# define PROT_WRITE 0	717	# define PROT_WRITE 0
718	# define MAP_PRIVATE 0	718	# define MAP_PRIVATE 0
719	# define MAP_SHARED 0	719	# define MAP_SHARED 0
720	# define MAP_FIXED 0	720	# define MAP_FIXED 0
721	#endif	721	#endif
722		722
723	#define MMAP_MAGIC PERL_MAGIC_ext	723	#define MMAP_MAGIC PERL_MAGIC_ext
724		724
		725	static int ecb_cold
725	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	726	mmap_free (pTHX_ SV *sv, MAGIC *mg)
726	{	727	{
727	int old_errno = errno;	728	int old_errno = errno;
728	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	729	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
729	errno = old_errno;	730	errno = old_errno;
730		731
…		…
746	0, 0, 0, 0, mmap_free	747	0, 0, 0, 0, mmap_free
747	};	748	};
748		749
749	/*****************************************************************************/	750	/*****************************************************************************/
750		751
		752	static SV *
751	static SV * get_cb (SV *cb_sv)	753	get_cb (SV *cb_sv)
752	{	754	{
753	SvGETMAGIC (cb_sv);	755	SvGETMAGIC (cb_sv);
754	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	756	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
755	}	757	}
756		758
		759	static aio_req ecb_noinline
		760	dreq (SV *callback)
		761	{
		762	SV *cb_cv;
		763	aio_req req;
		764	int req_pri = next_pri;
		765	next_pri = EIO_PRI_DEFAULT;
		766
		767	cb_cv = get_cb (callback);
		768
		769	req = calloc (sizeof (*req), 1);
		770	if (!req)
		771	croak ("out of memory during eio_req allocation");
		772
		773	req->callback = SvREFCNT_inc (cb_cv);
		774	req->pri = req_pri;
		775
		776	return req;
		777	}
		778
757	#define dREQ \	779	#define dREQ \
758	SV *cb_cv; \	780	aio_req req = dreq (callback); \
759	aio_req req; \
760	int req_pri = next_pri; \
761	next_pri = EIO_PRI_DEFAULT; \
762	\
763	cb_cv = get_cb (callback); \
764	\
765	Newz (0, req, 1, eio_req); \
766	if (!req) \
767	croak ("out of memory during eio_req allocation"); \
768	\
769	req->callback = SvREFCNT_inc (cb_cv); \
770	req->pri = req_pri
771		781
772	#define REQ_SEND \	782	#define REQ_SEND \
773	PUTBACK; \	783	PUTBACK; \
774	req_submit (req); \	784	req_submit (req); \
775	SPAGAIN; \	785	SPAGAIN; \
776	\	786	\
777	if (GIMME_V != G_VOID) \	787	if (GIMME_V != G_VOID) \
778	XPUSHs (req_sv (req, aio_req_stash));	788	XPUSHs (req_sv (req, aio_req_stash));
779		789
		790	ecb_inline void
		791	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		792	{
		793	if (expect_false (SvROK (path)))
		794	{
		795	SV *rv = SvRV (path);
		796	SV *wdob;
		797
		798	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		799	{
		800	path = AvARRAY (rv)[1];
		801	wdob = AvARRAY (rv)[0];
		802
		803	if (SvOK (wdob))
		804	{
		805	*wd = SvAIO_WD (wdob);
		806	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		807	}
		808	else
		809	*wd = EIO_INVALID_WD;
		810	}
		811	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		812	{
		813	*wd = (aio_wd)(long)SvIVX (rv);
		814	*wdsv = SvREFCNT_inc_NN (rv);
		815	*ptr = ".";
		816	return; /* path set to "." */
		817	}
		818	else
		819	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		820	}
		821
		822	*pathsv = newSVsv (path);
		823	*ptr = SvPVbyte_nolen (*pathsv);
		824	}
		825
		826	static void ecb_noinline
		827	req_set_path1 (aio_req req, SV *path)
		828	{
		829	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		830	}
		831
		832	static void ecb_noinline
		833	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		834	{
		835	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		836
		837	switch (SvTYPE (rv))
		838	{
		839	case SVt_PVIO:
		840	case SVt_PVLV:
		841	case SVt_PVGV:
		842	req->type = type_fh;
		843	req->sv1 = newSVsv (fh_or_path);
		844	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		845	break;
		846
		847	default:
		848	req->type = type_path;
		849	req_set_path1 (req, fh_or_path);
		850	break;
		851	}
		852	}
		853
		854	XS(boot_IO__AIO) ecb_cold;
		855
780	MODULE = IO::AIO PACKAGE = IO::AIO	856	MODULE = IO::AIO PACKAGE = IO::AIO
781		857
782	PROTOTYPES: ENABLE	858	PROTOTYPES: ENABLE
783		859
784	BOOT:	860	BOOT:
…		…
788	IV iv;	864	IV iv;
789	} *civ, const_iv[] = {	865	} *civ, const_iv[] = {
790	# define const_niv(name, value) { # name, (IV) value },	866	# define const_niv(name, value) { # name, (IV) value },
791	# define const_iv(name) { # name, (IV) name },	867	# define const_iv(name) { # name, (IV) name },
792	# define const_eio(name) { # name, (IV) EIO_ ## name },	868	# define const_eio(name) { # name, (IV) EIO_ ## name },
		869
		870	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		871
		872	const_iv (ENOSYS)
793	const_iv (EXDEV)	873	const_iv (EXDEV)
794	const_iv (ENOSYS)	874	const_iv (EBADR)
		875
795	const_iv (O_RDONLY)	876	const_iv (O_RDONLY)
796	const_iv (O_WRONLY)	877	const_iv (O_WRONLY)
797	const_iv (O_RDWR)	878	const_iv (O_RDWR)
798	const_iv (O_CREAT)	879	const_iv (O_CREAT)
799	const_iv (O_TRUNC)	880	const_iv (O_TRUNC)
…		…
867	const_iv (MAP_LOCKED)	948	const_iv (MAP_LOCKED)
868	const_iv (MAP_NORESERVE)	949	const_iv (MAP_NORESERVE)
869	const_iv (MAP_POPULATE)	950	const_iv (MAP_POPULATE)
870	const_iv (MAP_NONBLOCK)	951	const_iv (MAP_NONBLOCK)
871		952
		953	const_iv (FIEMAP_FLAG_SYNC)
		954	const_iv (FIEMAP_FLAG_XATTR)
		955	const_iv (FIEMAP_FLAGS_COMPAT)
		956	const_iv (FIEMAP_EXTENT_LAST)
		957	const_iv (FIEMAP_EXTENT_UNKNOWN)
		958	const_iv (FIEMAP_EXTENT_DELALLOC)
		959	const_iv (FIEMAP_EXTENT_ENCODED)
		960	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		961	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		962	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		963	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		964	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		965	const_iv (FIEMAP_EXTENT_MERGED)
		966	const_iv (FIEMAP_EXTENT_SHARED)
		967
		968	const_iv (SPLICE_F_MOVE)
		969	const_iv (SPLICE_F_NONBLOCK)
		970	const_iv (SPLICE_F_MORE)
		971	const_iv (SPLICE_F_GIFT)
		972
		973	const_iv (SEEK_DATA)
		974	const_iv (SEEK_HOLE)
		975
		976	/* libeio constants */
		977	const_eio (SEEK_SET)
		978	const_eio (SEEK_CUR)
		979	const_eio (SEEK_END)
		980
872	const_eio (MCL_FUTURE)	981	const_eio (MCL_FUTURE)
873	const_eio (MCL_CURRENT)	982	const_eio (MCL_CURRENT)
874		983
875	const_eio (MS_ASYNC)	984	const_eio (MS_ASYNC)
876	const_eio (MS_INVALIDATE)	985	const_eio (MS_INVALIDATE)
…		…
881	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	990	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
882	const_eio (SYNC_FILE_RANGE_WRITE)	991	const_eio (SYNC_FILE_RANGE_WRITE)
883	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	992	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
884		993
885	const_eio (FALLOC_FL_KEEP_SIZE)	994	const_eio (FALLOC_FL_KEEP_SIZE)
		995	const_eio (FALLOC_FL_PUNCH_HOLE)
886		996
887	const_eio (READDIR_DENTS)	997	const_eio (READDIR_DENTS)
888	const_eio (READDIR_DIRS_FIRST)	998	const_eio (READDIR_DIRS_FIRST)
889	const_eio (READDIR_STAT_ORDER)	999	const_eio (READDIR_STAT_ORDER)
890	const_eio (READDIR_FOUND_UNKNOWN)	1000	const_eio (READDIR_FOUND_UNKNOWN)
…		…
901	};	1011	};
902		1012
903	aio_stash = gv_stashpv ("IO::AIO" , 1);	1013	aio_stash = gv_stashpv ("IO::AIO" , 1);
904	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1014	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
905	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1015	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1016	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
906		1017
907	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1018	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
908	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1019	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
909		1020
910	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1021	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
911		1022
912	create_respipe ();	1023	reinit ();
913
914	if (eio_init (want_poll, done_poll) < 0)
915	croak ("IO::AIO: unable to initialise eio library");
916
917	/* atfork child called in fifo order, so before eio's handler */
918	X_THREAD_ATFORK (0, 0, atfork_child);
919	}	1024	}
		1025
		1026	void
		1027	reinit ()
		1028	PROTOTYPE:
920		1029
921	void	1030	void
922	max_poll_reqs (unsigned int nreqs)	1031	max_poll_reqs (unsigned int nreqs)
923	PROTOTYPE: $	1032	PROTOTYPE: $
924	CODE:	1033	CODE:
…		…
959	PROTOTYPE: $	1068	PROTOTYPE: $
960	CODE:	1069	CODE:
961	max_outstanding = maxreqs;	1070	max_outstanding = maxreqs;
962		1071
963	void	1072	void
		1073	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1074	PPCODE:
		1075	{
		1076	dREQ;
		1077
		1078	req->type = EIO_WD_OPEN;
		1079	req_set_path1 (req, pathname);
		1080
		1081	REQ_SEND;
		1082	}
		1083
		1084	void
964	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1085	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
965	PPCODE:	1086	PPCODE:
966	{	1087	{
967	dREQ;	1088	dREQ;
968		1089
969	req->type = EIO_OPEN;	1090	req->type = EIO_OPEN;
970	req->sv1 = newSVsv (pathname);	1091	req_set_path1 (req, pathname);
971	req->ptr1 = SvPVbyte_nolen (req->sv1);
972	req->int1 = flags;	1092	req->int1 = flags;
973	req->int2 = mode;	1093	req->int2 = mode;
974		1094
975	REQ_SEND;	1095	REQ_SEND;
976	}	1096	}
…		…
978	void	1098	void
979	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1099	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
980	ALIAS:	1100	ALIAS:
981	aio_fsync = EIO_FSYNC	1101	aio_fsync = EIO_FSYNC
982	aio_fdatasync = EIO_FDATASYNC	1102	aio_fdatasync = EIO_FDATASYNC
		1103	aio_syncfs = EIO_SYNCFS
983	PPCODE:	1104	PPCODE:
984	{	1105	{
985	int fd = s_fileno_croak (fh, 0);	1106	int fd = s_fileno_croak (fh, 0);
986	dREQ;	1107	dREQ;
987		1108
988	req->type = ix;	1109	req->type = ix;
989	req->sv1 = newSVsv (fh);	1110	req->sv1 = newSVsv (fh);
990	req->int1 = fd;	1111	req->int1 = fd;
991		1112
992	REQ_SEND (req);	1113	REQ_SEND;
993	}	1114	}
994		1115
995	void	1116	void
996	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1117	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
997	PPCODE:	1118	PPCODE:
…		…
1004	req->int1 = fd;	1125	req->int1 = fd;
1005	req->offs = offset;	1126	req->offs = offset;
1006	req->size = nbytes;	1127	req->size = nbytes;
1007	req->int2 = flags;	1128	req->int2 = flags;
1008		1129
1009	REQ_SEND (req);	1130	REQ_SEND;
1010	}	1131	}
1011		1132
1012	void	1133	void
1013	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1134	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1014	PPCODE:	1135	PPCODE:
…		…
1021	req->int1 = fd;	1142	req->int1 = fd;
1022	req->int2 = mode;	1143	req->int2 = mode;
1023	req->offs = offset;	1144	req->offs = offset;
1024	req->size = len;	1145	req->size = len;
1025		1146
1026	REQ_SEND (req);	1147	REQ_SEND;
1027	}	1148	}
1028		1149
1029	void	1150	void
1030	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1151	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1031	PPCODE:	1152	PPCODE:
1032	{	1153	{
1033	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1154	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1034	int fd = s_fileno_croak (fh, 0);	1155	int fd = s_fileno_croak (fh, 0);
1035	dREQ;	1156	dREQ;
1036		1157
1037	if (close_pipe < 0)	1158	if (expect_false (close_fd < 0))
1038	{	1159	{
1039	int pipefd [2];	1160	int pipefd [2];
1040		1161
		1162	if (
		1163	#ifdef _WIN32
		1164	_pipe (pipefd, 1, _O_BINARY) < 0
		1165	#else
1041	if (pipe (pipefd) < 0	1166	pipe (pipefd) < 0
1042	|| close (pipefd [1]) < 0
1043	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1167	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1168	#endif
		1169	|| close (pipefd [1]) < 0
		1170	)
1044	abort (); /*D*/	1171	abort (); /*D*/
1045		1172
1046	close_pipe = pipefd [0];	1173	close_fd = pipefd [0];
1047	}	1174	}
1048		1175
1049	req->type = EIO_DUP2;	1176	req->type = EIO_DUP2;
1050	req->int1 = close_pipe;	1177	req->int1 = close_fd;
1051	req->sv2 = newSVsv (fh);	1178	req->sv2 = newSVsv (fh);
1052	req->int2 = fd;	1179	req->int2 = fd;
1053		1180
1054	REQ_SEND (req);	1181	REQ_SEND;
		1182	}
		1183
		1184	void
		1185	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1186	PPCODE:
		1187	{
		1188	int fd = s_fileno_croak (fh, 0);
		1189	dREQ;
		1190
		1191	req->type = EIO_SEEK;
		1192	req->sv1 = newSVsv (fh);
		1193	req->int1 = fd;
		1194	req->offs = SvVAL64 (offset);
		1195	req->int2 = whence;
		1196
		1197	REQ_SEND;
1055	}	1198	}
1056		1199
1057	void	1200	void
1058	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1201	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1059	ALIAS:	1202	ALIAS:
…		…
1080	}	1223	}
1081	else	1224	else
1082	{	1225	{
1083	/* read: check type and grow scalar as necessary */	1226	/* read: check type and grow scalar as necessary */
1084	SvUPGRADE (data, SVt_PV);	1227	SvUPGRADE (data, SVt_PV);
		1228	if (SvLEN (data) >= SvCUR (data))
1085	svptr = SvGROW (data, len + dataoffset + 1);	1229	svptr = SvGROW (data, len + dataoffset + 1);
		1230	else if (SvCUR (data) < len + dataoffset)
		1231	croak ("length + dataoffset outside of scalar, and cannot grow");
1086	}	1232	}
1087		1233
1088	{	1234	{
1089	dREQ;	1235	dREQ;
1090		1236
…		…
1106	REQ_SEND;	1252	REQ_SEND;
1107	}	1253	}
1108	}	1254	}
1109		1255
1110	void	1256	void
1111	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1257	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1112	ALIAS:	1258	ALIAS:
1113	aio_readlink = EIO_READLINK	1259	aio_readlink = EIO_READLINK
1114	aio_realpath = EIO_REALPATH	1260	aio_realpath = EIO_REALPATH
1115	PPCODE:	1261	PPCODE:
1116	{	1262	{
1117	SV *data;
1118	dREQ;	1263	dREQ;
1119		1264
1120	req->type = ix;	1265	req->type = ix;
1121	req->sv1 = newSVsv (path);	1266	req_set_path1 (req, pathname);
1122	req->ptr1 = SvPVbyte_nolen (req->sv1);
1123		1267
1124	REQ_SEND;	1268	REQ_SEND;
1125	}	1269	}
1126		1270
1127	void	1271	void
…		…
1167	aio_statvfs = EIO_STATVFS	1311	aio_statvfs = EIO_STATVFS
1168	PPCODE:	1312	PPCODE:
1169	{	1313	{
1170	dREQ;	1314	dREQ;
1171		1315
1172	req->sv1 = newSVsv (fh_or_path);	1316	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1173
1174	if (SvPOK (req->sv1))
1175	{
1176	req->type = ix;
1177	req->ptr1 = SvPVbyte_nolen (req->sv1);
1178	}
1179	else
1180	{
1181	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1182	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1183	}
1184		1317
1185	REQ_SEND;	1318	REQ_SEND;
1186	}	1319	}
1187		1320
1188	UV	1321	UV
…		…
1207	{	1340	{
1208	dREQ;	1341	dREQ;
1209		1342
1210	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1343	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1211	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1344	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1212	req->sv1 = newSVsv (fh_or_path);	1345	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1213
1214	if (SvPOK (req->sv1))
1215	{
1216	req->type = EIO_UTIME;
1217	req->ptr1 = SvPVbyte_nolen (req->sv1);
1218	}
1219	else
1220	{
1221	req->type = EIO_FUTIME;
1222	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1223	}
1224		1346
1225	REQ_SEND;	1347	REQ_SEND;
1226	}	1348	}
1227		1349
1228	void	1350	void
1229	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1351	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1230	PPCODE:	1352	PPCODE:
1231	{	1353	{
1232	dREQ;	1354	dREQ;
1233		1355
1234	req->sv1 = newSVsv (fh_or_path);
1235	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1356	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1236		1357	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1237	if (SvPOK (req->sv1))
1238	{
1239	req->type = EIO_TRUNCATE;
1240	req->ptr1 = SvPVbyte_nolen (req->sv1);
1241	}
1242	else
1243	{
1244	req->type = EIO_FTRUNCATE;
1245	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1246	}
1247		1358
1248	REQ_SEND;	1359	REQ_SEND;
1249	}	1360	}
1250		1361
1251	void	1362	void
1252	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1363	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1253	ALIAS:
1254	aio_chmod = EIO_CHMOD
1255	aio_mkdir = EIO_MKDIR
1256	PPCODE:	1364	PPCODE:
1257	{	1365	{
1258	dREQ;	1366	dREQ;
1259		1367
1260	req->int2 = mode;	1368	req->int2 = mode;
1261	req->sv1 = newSVsv (fh_or_path);	1369	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1262
1263	if (SvPOK (req->sv1))
1264	{
1265	req->type = ix;
1266	req->ptr1 = SvPVbyte_nolen (req->sv1);
1267	}
1268	else
1269	{
1270	req->type = EIO_FCHMOD;
1271	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1272	}
1273		1370
1274	REQ_SEND;	1371	REQ_SEND;
1275	}	1372	}
1276		1373
1277	void	1374	void
…		…
1280	{	1377	{
1281	dREQ;	1378	dREQ;
1282		1379
1283	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1380	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1284	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1381	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1285	req->sv1 = newSVsv (fh_or_path);	1382	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1286
1287	if (SvPOK (req->sv1))
1288	{
1289	req->type = EIO_CHOWN;
1290	req->ptr1 = SvPVbyte_nolen (req->sv1);
1291	}
1292	else
1293	{
1294	req->type = EIO_FCHOWN;
1295	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1296	}
1297		1383
1298	REQ_SEND;	1384	REQ_SEND;
1299	}	1385	}
1300		1386
1301	void	1387	void
…		…
1303	PPCODE:	1389	PPCODE:
1304	{	1390	{
1305	dREQ;	1391	dREQ;
1306		1392
1307	req->type = EIO_READDIR;	1393	req->type = EIO_READDIR;
1308	req->sv1 = newSVsv (pathname);
1309	req->ptr1 = SvPVbyte_nolen (req->sv1);
1310	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1394	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1311		1395
1312	if (flags & EIO_READDIR_DENTS)	1396	if (flags & EIO_READDIR_DENTS)
1313	req->int1 |= EIO_READDIR_CUSTOM2;	1397	req->int1 |= EIO_READDIR_CUSTOM2;
1314		1398
		1399	req_set_path1 (req, pathname);
		1400
1315	REQ_SEND;	1401	REQ_SEND;
		1402	}
		1403
		1404	void
		1405	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1406	PPCODE:
		1407	{
		1408	dREQ;
		1409
		1410	req->type = EIO_MKDIR;
		1411	req->int2 = mode;
		1412	req_set_path1 (req, pathname);
		1413
		1414	REQ_SEND;
1316	}	1415	}
1317		1416
1318	void	1417	void
1319	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1418	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1320	ALIAS:	1419	ALIAS:
…		…
1324	PPCODE:	1423	PPCODE:
1325	{	1424	{
1326	dREQ;	1425	dREQ;
1327		1426
1328	req->type = ix;	1427	req->type = ix;
1329	req->sv1 = newSVsv (pathname);	1428	req_set_path1 (req, pathname);
1330	req->ptr1 = SvPVbyte_nolen (req->sv1);
1331		1429
1332	REQ_SEND;	1430	REQ_SEND;
1333	}	1431	}
1334		1432
1335	void	1433	void
…		…
1338	aio_link = EIO_LINK	1436	aio_link = EIO_LINK
1339	aio_symlink = EIO_SYMLINK	1437	aio_symlink = EIO_SYMLINK
1340	aio_rename = EIO_RENAME	1438	aio_rename = EIO_RENAME
1341	PPCODE:	1439	PPCODE:
1342	{	1440	{
		1441	eio_wd wd2 = 0;
1343	dREQ;	1442	dREQ;
1344		1443
1345	req->type = ix;	1444	req->type = ix;
1346	req->sv1 = newSVsv (oldpath);	1445	req_set_path1 (req, oldpath);
1347	req->ptr1 = SvPVbyte_nolen (req->sv1);	1446	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1348	req->sv2 = newSVsv (newpath);	1447	req->int3 = (long)wd2;
1349	req->ptr2 = SvPVbyte_nolen (req->sv2);
1350		1448
1351	REQ_SEND;	1449	REQ_SEND;
1352	}	1450	}
1353		1451
1354	void	1452	void
…		…
1356	PPCODE:	1454	PPCODE:
1357	{	1455	{
1358	dREQ;	1456	dREQ;
1359		1457
1360	req->type = EIO_MKNOD;	1458	req->type = EIO_MKNOD;
1361	req->sv1 = newSVsv (pathname);
1362	req->ptr1 = SvPVbyte_nolen (req->sv1);
1363	req->int2 = (mode_t)mode;	1459	req->int2 = (mode_t)mode;
1364	req->offs = dev;	1460	req->offs = dev;
		1461	req_set_path1 (req, pathname);
1365		1462
1366	REQ_SEND;	1463	REQ_SEND;
1367	}	1464	}
1368		1465
1369	void	1466	void
…		…
1436		1533
1437	req->type = EIO_MLOCKALL;	1534	req->type = EIO_MLOCKALL;
1438	req->int1 = flags;	1535	req->int1 = flags;
1439		1536
1440	REQ_SEND;	1537	REQ_SEND;
		1538	}
		1539
		1540	void
		1541	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1542	PPCODE:
		1543	{
		1544	int fd = s_fileno_croak (fh, 0);
		1545	dREQ;
		1546
		1547	req->type = EIO_CUSTOM;
		1548	req->sv1 = newSVsv (fh);
		1549	req->int1 = fd;
		1550
		1551	req->feed = fiemap;
		1552	#if HAVE_FIEMAP
		1553	/* keep our fingers crossed that the next two types are 64 bit */
		1554	req->offs = start;
		1555	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1556	req->int2 = flags;
		1557	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1558	#endif
		1559
		1560	REQ_SEND;
1441	}	1561	}
1442		1562
1443	void	1563	void
1444	aio_busy (double delay, SV *callback=&PL_sv_undef)	1564	aio_busy (double delay, SV *callback=&PL_sv_undef)
1445	PPCODE:	1565	PPCODE:
…		…
1569	CODE:	1689	CODE:
1570	RETVAL = posix_fadvise (fh, offset, length, advice);	1690	RETVAL = posix_fadvise (fh, offset, length, advice);
1571	OUTPUT:	1691	OUTPUT:
1572	RETVAL	1692	RETVAL
1573		1693
1574	ssize_t	1694	IV
1575	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1695	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1576	CODE:	1696	CODE:
1577	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1697	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1578	OUTPUT:	1698	OUTPUT:
1579	RETVAL	1699	RETVAL
1580		1700
1581	void	1701	void
1582	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1702	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1583	PPCODE:	1703	PPCODE:
1584	sv_unmagic (scalar, MMAP_MAGIC);	1704	sv_unmagic (scalar, MMAP_MAGIC);
1585	{	1705	{
1586	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1706	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1587	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1707	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1620	ALIAS:	1740	ALIAS:
1621	mprotect = 1	1741	mprotect = 1
1622	CODE:	1742	CODE:
1623	{	1743	{
1624	STRLEN svlen;	1744	STRLEN svlen;
1625	void *addr = SvPVbyte (scalar, svlen);	1745	void *addr = SvPVbyte (scalar, svlen);
1626	size_t len = SvUV (length);	1746	size_t len = SvUV (length);
1627		1747
1628	if (offset < 0)	1748	if (offset < 0)
1629	offset += svlen;	1749	offset += svlen;
1630		1750
…		…
1666	addr = (void *)(((intptr_t)addr) + offset);	1786	addr = (void *)(((intptr_t)addr) + offset);
1667	eio_page_align (&addr, &len);	1787	eio_page_align (&addr, &len);
1668	#if _POSIX_MEMLOCK_RANGE	1788	#if _POSIX_MEMLOCK_RANGE
1669	RETVAL = munlock (addr, len);	1789	RETVAL = munlock (addr, len);
1670	#else	1790	#else
1671	RETVAL = ((errno = ENOSYS), -1);	1791	RETVAL = EIO_ENOSYS ();
1672	#endif	1792	#endif
1673	}	1793	}
1674	OUTPUT:	1794	OUTPUT:
1675	RETVAL	1795	RETVAL
1676		1796
…		…
1678	munlockall ()	1798	munlockall ()
1679	CODE:	1799	CODE:
1680	#if _POSIX_MEMLOCK	1800	#if _POSIX_MEMLOCK
1681	munlockall ();	1801	munlockall ();
1682	#else	1802	#else
1683	RETVAL = -1;	1803	RETVAL = EIO_ENOSYS ();
1684	errno = ENOSYS;
1685	#endif	1804	#endif
1686	OUTPUT:	1805	OUTPUT:
		1806	RETVAL
		1807
		1808	int
		1809	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1810	CODE:
		1811	{
		1812	#if HAVE_LINUX_SPLICE
		1813	loff_t off_in_, off_out_;
		1814	RETVAL = splice (
		1815	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1816	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1817	length, flags
		1818	);
		1819	#else
		1820	RETVAL = EIO_ENOSYS ();
		1821	#endif
		1822	}
		1823	OUTPUT:
		1824	RETVAL
		1825
		1826	int
		1827	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1828	CODE:
		1829	#if HAVE_LINUX_SPLICE
		1830	RETVAL = tee (rfh, wfh, length, flags);
		1831	#else
		1832	RETVAL = EIO_ENOSYS ();
		1833	#endif
		1834	OUTPUT:
1687	RETVAL	1835	RETVAL
1688		1836
1689	void _on_next_submit (SV *cb)	1837	void _on_next_submit (SV *cb)
1690	CODE:	1838	CODE:
1691	SvREFCNT_dec (on_next_submit);	1839	SvREFCNT_dec (on_next_submit);
1692	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1840	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1693		1841
1694	PROTOTYPES: DISABLE	1842	PROTOTYPES: DISABLE
1695		1843
		1844	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1845
		1846	BOOT:
		1847	{
		1848	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1849	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1850	}
		1851
		1852	void
		1853	DESTROY (SV *self)
		1854	CODE:
		1855	{
		1856	aio_wd wd = SvAIO_WD (self);
		1857	#if HAVE_AT
		1858	{
		1859	SV *callback = &PL_sv_undef;
		1860	dREQ; /* clobbers next_pri :/ */
		1861	next_pri = req->pri; /* restore next_pri */
		1862	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1863	req->type = EIO_WD_CLOSE;
		1864	req->wd = wd;
		1865	REQ_SEND;
		1866	}
		1867	#else
		1868	eio_wd_close_sync (wd);
		1869	#endif
		1870	}
		1871
1696	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1872	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1697		1873
1698	void	1874	void
1699	cancel (aio_req_ornot req)	1875	cancel (aio_req_ornot req)
1700	CODE:	1876	CODE:

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