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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.189 by root, Mon Jul 18 01:27:03 2011 UTC vs.
Revision 1.232 by root, Sat Jun 13 00:06:13 2015 UTC

…		…
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
22	#endif	35	#endif
23		36
24	/* perl namespace pollution */	37	/* perl namespace pollution */
25	#undef VERSION	38	#undef VERSION
26		39
…		…
62	#undef dup	75	#undef dup
63	#undef dup2	76	#undef dup2
64	#undef abort	77	#undef abort
65	#undef pipe	78	#undef pipe
66		79
		80	#define EIO_STRUCT_STAT struct _stati64
		81	#define EIO_STRUCT_STATI64
		82
67	#else	83	#else
68		84
69	#include <sys/time.h>	85	#include <sys/time.h>
70	#include <sys/select.h>	86	#include <sys/select.h>
71	#include <unistd.h>	87	#include <unistd.h>
72	#include <utime.h>	88	#include <utime.h>
73	#include <signal.h>	89	#include <signal.h>
74		90
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	91	#define EIO_STRUCT_STAT Stat_t
78		92
79	/* use NV for 32 bit perls as it allows larger offsets */
80	#if IVSIZE >= 8
81	# define VAL64 IV
82	# define SvVAL64 SvIV
83	# define newSVval64 newSViv
84	#else
85	# define VAL64 NV
86	# define SvVAL64 SvNV
87	# define newSVval64 newSVnv
88	#endif	93	#endif
89		94
90	/*****************************************************************************/	95	/*****************************************************************************/
91		96
92	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
102		107
103	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
106		111
107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108		113
109	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
110	SV *callback; \	115	SV *callback; \
111	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
112	STRLEN stroffset; \	118	STRLEN stroffset; \
113	SV *self;	119	SV *self;
114		120
115	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
116		122
…		…
122	static void req_destroy (eio_req *grp);	128	static void req_destroy (eio_req *grp);
123	#define EIO_DESTROY(req) req_destroy (req)	129	#define EIO_DESTROY(req) req_destroy (req)
124		130
125	#include "libeio/eio.c"	131	#include "libeio/eio.c"
126		132
127	/* Linux/others */
128	#ifndef O_ASYNC
129	# define O_ASYNC 0
130	#endif
131	#ifndef O_DIRECT
132	# define O_DIRECT 0
133	#endif
134	#ifndef O_NOATIME
135	# define O_NOATIME 0
136	#endif
137
138	/* POSIX */
139	#ifndef O_CLOEXEC
140	# define O_CLOEXEC 0
141	#endif
142	#ifndef O_NOFOLLOW
143	# define O_NOFOLLOW 0
144	#endif
145	#ifndef O_NOCTTY
146	# define O_NOCTTY 0
147	#endif
148	#ifndef O_NONBLOCK
149	# define O_NONBLOCK 0
150	#endif
151	#ifndef O_EXEC
152	# define O_EXEC 0
153	#endif
154	#ifndef O_SEARCH
155	# define O_SEARCH 0
156	#endif
157	#ifndef O_DIRECTORY
158	# define O_DIRECTORY 0
159	#endif
160	#ifndef O_DSYNC
161	# define O_DSYNC 0
162	#endif
163	#ifndef O_RSYNC
164	# define O_RSYNC 0
165	#endif
166	#ifndef O_SYNC
167	# define O_SYNC 0
168	#endif
169	#ifndef O_TTY_INIT
170	# define O_TTY_INIT 0
171	#endif
172
173	#ifndef POSIX_FADV_NORMAL
174	# define POSIX_FADV_NORMAL 0
175	#endif
176	#ifndef POSIX_FADV_SEQUENTIAL
177	# define POSIX_FADV_SEQUENTIAL 0
178	#endif
179	#ifndef POSIX_FADV_RANDOM
180	# define POSIX_FADV_RANDOM 0
181	#endif
182	#ifndef POSIX_FADV_NOREUSE
183	# define POSIX_FADV_NOREUSE 0
184	#endif
185	#ifndef POSIX_FADV_WILLNEED
186	# define POSIX_FADV_WILLNEED 0
187	#endif
188	#ifndef POSIX_FADV_DONTNEED
189	# define POSIX_FADV_DONTNEED 0
190	#endif
191
192	#if !HAVE_POSIX_FADVISE	133	#if !HAVE_POSIX_FADVISE
193	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
194	#endif	135	#endif
195		136
196	#ifndef POSIX_MADV_NORMAL
197	# define POSIX_MADV_NORMAL 0
198	#endif
199	#ifndef POSIX_MADV_SEQUENTIAL
200	# define POSIX_MADV_SEQUENTIAL 0
201	#endif
202	#ifndef POSIX_MADV_RANDOM
203	# define POSIX_MADV_RANDOM 0
204	#endif
205	#ifndef POSIX_MADV_WILLNEED
206	# define POSIX_MADV_WILLNEED 0
207	#endif
208	#ifndef POSIX_MADV_DONTNEED
209	# define POSIX_MADV_DONTNEED 0
210	#endif
211
212	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
213	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
214	#endif
215
216	#ifndef PROT_NONE
217	# define PROT_NONE 0
218	#endif
219	#ifndef PROT_READ
220	# define PROT_READ 0
221	#endif
222	#ifndef PROT_WRITE
223	# define PROT_READ 0
224	#endif
225	#ifndef PROT_EXEC
226	# define PROT_EXEC 0
227	#endif
228
229	#ifndef ST_RDONLY
230	# define ST_RDONLY 0
231	#endif
232	#ifndef ST_NOSUID
233	# define ST_NOSUID 0
234	#endif
235	#ifndef ST_NODEV
236	# define ST_NODEV 0
237	#endif
238	#ifndef ST_NOEXEC
239	# define ST_NOEXEC 0
240	#endif
241	#ifndef ST_SYNCHRONOUS
242	# define ST_SYNCHRONOUS 0
243	#endif
244	#ifndef ST_MANDLOCK
245	# define ST_MANDLOCK 0
246	#endif
247	#ifndef ST_WRITE
248	# define ST_WRITE 0
249	#endif
250	#ifndef ST_APPEND
251	# define ST_APPEND 0
252	#endif
253	#ifndef ST_IMMUTABLE
254	# define ST_IMMUTABLE 0
255	#endif
256	#ifndef ST_NOATIME
257	# define ST_NOATIME 0
258	#endif
259	#ifndef ST_NODIRATIME
260	# define ST_NODIRATIME 0
261	#endif
262	#ifndef ST_RELATIME
263	# define ST_RELATIME 0
264	#endif
265
266	#ifndef S_IFIFO
267	# define S_IFIFO 0
268	#endif
269	#ifndef S_IFCHR
270	# define S_IFCHR 0
271	#endif
272	#ifndef S_IFBLK
273	# define S_IFBLK 0
274	#endif
275	#ifndef S_IFLNK
276	# define S_IFLNK 0
277	#endif
278	#ifndef S_IFREG
279	# define S_IFREG 0
280	#endif
281	#ifndef S_IFDIR
282	# define S_IFDIR 0
283	#endif
284	#ifndef S_IFWHT
285	# define S_IFWHT 0
286	#endif
287	#ifndef S_IFSOCK
288	# define S_IFSOCK 0
289	#endif	139	#endif
290		140
291	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
292	# ifdef MAP_ANON	142	# ifdef MAP_ANON
293	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
294	# else	144	# else
295	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
296	# endif	146	# endif
297	#endif	147	#endif
298	#ifndef MAP_HUGETLB	148
299	# define MAP_HUGETLB 0	149	/* defines all sorts of constants to 0 unless they are already defined */
300	#endif	150	#include "def0.h"
301	#ifndef MAP_LOCKED
302	# define MAP_LOCKED 0
303	#endif
304	#ifndef MAP_NORESERVE
305	# define MAP_NORESERVE 0
306	#endif
307	#ifndef MAP_POPULATE
308	# define MAP_POPULATE 0
309	#endif
310	#ifndef MAP_NONBLOCK
311	# define MAP_NONBLOCK 0
312	#endif
313		151
314	#ifndef makedev	152	#ifndef makedev
315	# define makedev(maj,min) (((maj) << 8) | (min))	153	# define makedev(maj,min) (((maj) << 8) | (min))
316	#endif	154	#endif
317	#ifndef major	155	#ifndef major
…		…
319	#endif	157	#endif
320	#ifndef minor	158	#ifndef minor
321	# define minor(dev) ((dev) & 0xff)	159	# define minor(dev) ((dev) & 0xff)
322	#endif	160	#endif
323		161
324	#ifndef PAGESIZE	162	#if PAGESIZE <= 0
325	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
326	#endif	164	#endif
		165
		166	/*****************************************************************************/
		167
		168	static void
		169	fiemap (eio_req *req)
		170	{
		171	req->result = -1;
		172
		173	#if HAVE_FIEMAP
		174	/* assume some c99 */
		175	struct fiemap *fiemap = 0;
		176	size_t end_offset;
		177	int count = req->int3;
		178
		179	req->flags |= EIO_FLAG_PTR1_FREE;
		180
		181	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		182	/* increase in 3.5kb steps */
		183	if (count < 0)
		184	count = 8;
		185
		186	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		187	errno = ENOMEM;
		188	if (!fiemap)
		189	return;
		190
		191	req->ptr1 = fiemap;
		192
		193	fiemap->fm_start = req->offs;
		194	fiemap->fm_length = req->size;
		195	fiemap->fm_flags = req->int2;
		196	fiemap->fm_extent_count = count;
		197
		198	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		199	return;
		200
		201	if (req->int3 >= 0 /* not autosizing */
		202	|| !fiemap->fm_mapped_extents /* no more extents */
		203	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		204	goto done;
		205
		206	/* else we have to loop -
		207	* it would be tempting (actually I tried that first) to just query the
		208	* number of extents needed, but linux often feels like not returning all
		209	* extents, without telling us it left any out. this complicates
		210	* this quite a bit.
		211	*/
		212
		213	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		214
		215	for (;;)
		216	{
		217	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		218	char scratch[3072];
		219	struct fiemap *incmap = (struct fiemap *)scratch;
		220
		221	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		222	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		223	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		224	incmap->fm_flags = fiemap->fm_flags;
		225	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		226
		227	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		228	return;
		229
		230	if (!incmap->fm_mapped_extents)
		231	goto done;
		232
		233	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		234	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		235	errno = ENOMEM;
		236	if (!fiemap)
		237	return;
		238
		239	req->ptr1 = fiemap;
		240
		241	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		242	{
		243	struct fiemap_extent *e = incmap->fm_extents + count;
		244
		245	if (e->fe_logical + e->fe_length >= end_offset)
		246	goto done;
		247
		248	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		249
		250	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		251	goto done;
		252
		253	}
		254	}
		255
		256	done:
		257	req->result = 0;
		258
		259	#else
		260	errno = ENOSYS;
		261	#endif
		262	}
		263
		264	/*****************************************************************************/
327		265
328	enum {	266	enum {
329	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
330	};	268	};
331		269
332	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
333	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
334		273
335	static SV *on_next_submit;	274	static SV *on_next_submit;
336	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
337	static int max_outstanding;	276	static int max_outstanding;
338		277
339	static s_epipe respipe;	278	static s_epipe respipe;
340		279
341	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
342	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
343		282
344	static void want_poll (void)	283	static void
		284	want_poll (void)
345	{	285	{
346	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
347	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
348	}	288	}
349		289
350	static void done_poll (void)	290	static void
		291	done_poll (void)
351	{	292	{
352	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
353	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
354	}	295	}
355		296
356	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
357	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
358	{	300	{
359	if (!req->self)	301	if (!req->self)
360	{	302	{
361	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363	}	305	}
364		306
365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366	}	308	}
367		309
368	static aio_req SvAIO_REQ (SV *sv)	310	static SV *
		311	newSVaio_wd (aio_wd wd)
		312	{
		313	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		314	}
		315
		316	static aio_req
		317	SvAIO_REQ (SV *sv)
369	{	318	{
370	MAGIC *mg;	319	MAGIC *mg;
371		320
372	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
374	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
375	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
376	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
377		327
378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379		329
380	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
381	}	331	}
382		332
		333	static aio_wd
		334	SvAIO_WD (SV *sv)
		335	{
		336	if (!SvROK (sv)
		337	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		338	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		340
		341	return (aio_wd)(long)SvIVX (SvRV (sv));
		342	}
		343
		344	static void
383	static void aio_grp_feed (aio_req grp)	345	aio_grp_feed (aio_req grp)
384	{	346	{
385	if (grp->sv2 && SvOK (grp->sv2))	347	if (grp->sv2 && SvOK (grp->sv2))
386	{	348	{
387	dSP;	349	dSP;
388		350
…		…
396	FREETMPS;	358	FREETMPS;
397	LEAVE;	359	LEAVE;
398	}	360	}
399	}	361	}
400		362
		363	static void
401	static void req_submit (eio_req *req)	364	req_submit (eio_req *req)
402	{	365	{
403	eio_submit (req);	366	eio_submit (req);
404		367
405	if (expect_false (on_next_submit))	368	if (expect_false (on_next_submit))
406	{	369	{
…		…
413	PUTBACK;	376	PUTBACK;
414	call_sv (cb, G_DISCARD | G_EVAL);	377	call_sv (cb, G_DISCARD | G_EVAL);
415	}	378	}
416	}	379	}
417		380
		381	static int
418	static int req_invoke (eio_req *req)	382	req_invoke (eio_req *req)
419	{	383	{
420	if (req->flags & FLAG_SV2_RO_OFF)	384	if (req->flags & FLAG_SV2_RO_OFF)
421	SvREADONLY_off (req->sv2);	385	SvREADONLY_off (req->sv2);
422		386
423	if (!EIO_CANCELLED (req) && req->callback)	387	if (!EIO_CANCELLED (req) && req->callback)
…		…
444	SvREADONLY_on (sv_result);	408	SvREADONLY_on (sv_result);
445	}	409	}
446		410
447	switch (req->type)	411	switch (req->type)
448	{	412	{
		413	case EIO_WD_OPEN:
		414	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		415	break;
		416
449	case EIO_READDIR:	417	case EIO_READDIR:
450	{	418	{
451	SV *rv = &PL_sv_undef;	419	SV *rv = &PL_sv_undef;
452		420
453	if (req->result >= 0)	421	if (req->result >= 0)
…		…
546	#ifndef _WIN32	514	#ifndef _WIN32
547	if (req->result >= 0)	515	if (req->result >= 0)
548	{	516	{
549	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
550	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
551		524
552	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
553		526
554	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
555	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
557	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
558	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
559	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
560	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
561	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
562	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
563	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
564	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
565	}	538	}
566	#endif	539	#endif
567		540
…		…
595	break;	568	break;
596		569
597	case EIO_STAT:	570	case EIO_STAT:
598	case EIO_LSTAT:	571	case EIO_LSTAT:
599	case EIO_FSTAT:	572	case EIO_FSTAT:
600	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
601	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
602	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
603	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
604	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
605	break;	584	break;
606		585
607	case EIO_READ:	586	case EIO_READ:
608	{	587	{
609	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
612	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
613	PUSHs (sv_result);	592	PUSHs (sv_result);
614	}	593	}
615	break;	594	break;
616		595
		596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
617	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
618	if (req->result > 0)	637	if (req->result > 0)
619	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
620	/* FALLTHROUGH */	639	/* FALLTHROUGH */
621		640
…		…
642	}	661	}
643		662
644	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
645	}	664	}
646		665
		666	static void
647	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
648	{	668	{
649	if (req->self)	669	if (req->self)
650	{	670	{
651	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
652	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
653	}	673	}
654		674
655	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
656	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
657	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
658		680
659	Safefree (req);	681	free (req);
660	}	682	}
661		683
		684	static void
662	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
663	{	686	{
664	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
665	return;	688	return;
666		689
667	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
668	grp->sv2 = 0;	691	grp->sv2 = 0;
669		692
670	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
671	}	694	}
672		695
		696	static void ecb_cold
673	static void create_respipe (void)	697	create_respipe (void)
674	{	698	{
675	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
677	}	701	}
678		702
679	static void poll_wait (void)	703	static void
		704	poll_wait (void)
680	{	705	{
681	while (eio_nreqs ())	706	while (eio_nreqs ())
682	{	707	{
683	int size;	708	int size;
684		709
…		…
693		718
694	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
695	}	720	}
696	}	721	}
697		722
698	static int poll_cb (void)	723	static int
		724	poll_cb (void)
699	{	725	{
700	for (;;)	726	for (;;)
701	{	727	{
702	int res = eio_poll ();	728	int res = eio_poll ();
703		729
…		…
710	poll_wait ();	736	poll_wait ();
711	}	737	}
712	}	738	}
713		739
714	static void ecb_cold	740	static void ecb_cold
715	atfork_child (void)	741	reinit (void)
716	{	742	{
717	create_respipe ();	743	create_respipe ();
718		744
719	if (eio_init (want_poll, done_poll) < 0)	745	if (eio_init (want_poll, done_poll) < 0)
720	croak ("IO::AIO: unable to initialise eio library");	746	croak ("IO::AIO: unable to initialise eio library");
721	}	747	}
722		748
723	/*****************************************************************************/	749	/*****************************************************************************/
724		750
725	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
726	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
727	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
728	#endif	754	#endif
729		755
730	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
731	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
732	# define PROT_NONE 0	758	# define PROT_NONE 0
733	# define PROT_WRITE 0	759	# define PROT_WRITE 0
734	# define MAP_PRIVATE 0	760	# define MAP_PRIVATE 0
735	# define MAP_SHARED 0	761	# define MAP_SHARED 0
736	# define MAP_FIXED 0	762	# define MAP_FIXED 0
737	#endif	763	#endif
738		764
739	#define MMAP_MAGIC PERL_MAGIC_ext	765	#define MMAP_MAGIC PERL_MAGIC_ext
740		766
		767	static int ecb_cold
741	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	768	mmap_free (pTHX_ SV *sv, MAGIC *mg)
742	{	769	{
743	int old_errno = errno;	770	int old_errno = errno;
744	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	771	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
745	errno = old_errno;	772	errno = old_errno;
746		773
…		…
762	0, 0, 0, 0, mmap_free	789	0, 0, 0, 0, mmap_free
763	};	790	};
764		791
765	/*****************************************************************************/	792	/*****************************************************************************/
766		793
		794	static SV *
767	static SV * get_cb (SV *cb_sv)	795	get_cb (SV *cb_sv)
768	{	796	{
769	SvGETMAGIC (cb_sv);	797	SvGETMAGIC (cb_sv);
770	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	798	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
771	}	799	}
772		800
		801	static aio_req ecb_noinline
		802	dreq (SV *callback)
		803	{
		804	SV *cb_cv;
		805	aio_req req;
		806	int req_pri = next_pri;
		807	next_pri = EIO_PRI_DEFAULT;
		808
		809	cb_cv = get_cb (callback);
		810
		811	req = calloc (sizeof (*req), 1);
		812	if (!req)
		813	croak ("out of memory during eio_req allocation");
		814
		815	req->callback = SvREFCNT_inc (cb_cv);
		816	req->pri = req_pri;
		817
		818	return req;
		819	}
		820
773	#define dREQ \	821	#define dREQ \
774	SV *cb_cv; \	822	aio_req req = dreq (callback); \
775	aio_req req; \
776	int req_pri = next_pri; \
777	next_pri = EIO_PRI_DEFAULT; \
778	\
779	cb_cv = get_cb (callback); \
780	\
781	Newz (0, req, 1, eio_req); \
782	if (!req) \
783	croak ("out of memory during eio_req allocation"); \
784	\
785	req->callback = SvREFCNT_inc (cb_cv); \
786	req->pri = req_pri
787		823
788	#define REQ_SEND \	824	#define REQ_SEND \
789	PUTBACK; \	825	PUTBACK; \
790	req_submit (req); \	826	req_submit (req); \
791	SPAGAIN; \	827	SPAGAIN; \
792	\	828	\
793	if (GIMME_V != G_VOID) \	829	if (GIMME_V != G_VOID) \
794	XPUSHs (req_sv (req, aio_req_stash));	830	XPUSHs (req_sv (req, aio_req_stash));
795		831
		832	ecb_inline void
		833	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		834	{
		835	if (expect_false (SvROK (path)))
		836	{
		837	SV *rv = SvRV (path);
		838	SV *wdob;
		839
		840	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		841	{
		842	path = AvARRAY (rv)[1];
		843	wdob = AvARRAY (rv)[0];
		844
		845	if (SvOK (wdob))
		846	{
		847	*wd = SvAIO_WD (wdob);
		848	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		849	}
		850	else
		851	*wd = EIO_INVALID_WD;
		852	}
		853	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		854	{
		855	*wd = (aio_wd)(long)SvIVX (rv);
		856	*wdsv = SvREFCNT_inc_NN (rv);
		857	*ptr = ".";
		858	return; /* path set to "." */
		859	}
		860	else
		861	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		862	}
		863
		864	*pathsv = newSVsv (path);
		865	*ptr = SvPVbyte_nolen (*pathsv);
		866	}
		867
		868	static void ecb_noinline
		869	req_set_path1 (aio_req req, SV *path)
		870	{
		871	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		872	}
		873
		874	static void ecb_noinline
		875	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		876	{
		877	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		878
		879	switch (SvTYPE (rv))
		880	{
		881	case SVt_PVIO:
		882	case SVt_PVLV:
		883	case SVt_PVGV:
		884	req->type = type_fh;
		885	req->sv1 = newSVsv (fh_or_path);
		886	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		887	break;
		888
		889	default:
		890	req->type = type_path;
		891	req_set_path1 (req, fh_or_path);
		892	break;
		893	}
		894	}
		895
		896	XS(boot_IO__AIO) ecb_cold;
		897
796	MODULE = IO::AIO PACKAGE = IO::AIO	898	MODULE = IO::AIO PACKAGE = IO::AIO
797		899
798	PROTOTYPES: ENABLE	900	PROTOTYPES: ENABLE
799		901
800	BOOT:	902	BOOT:
…		…
804	IV iv;	906	IV iv;
805	} *civ, const_iv[] = {	907	} *civ, const_iv[] = {
806	# define const_niv(name, value) { # name, (IV) value },	908	# define const_niv(name, value) { # name, (IV) value },
807	# define const_iv(name) { # name, (IV) name },	909	# define const_iv(name) { # name, (IV) name },
808	# define const_eio(name) { # name, (IV) EIO_ ## name },	910	# define const_eio(name) { # name, (IV) EIO_ ## name },
		911
		912	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		913
		914	const_iv (ENOSYS)
809	const_iv (EXDEV)	915	const_iv (EXDEV)
810	const_iv (ENOSYS)	916	const_iv (EBADR)
		917
811	const_iv (O_RDONLY)	918	const_iv (O_RDONLY)
812	const_iv (O_WRONLY)	919	const_iv (O_WRONLY)
813	const_iv (O_RDWR)	920	const_iv (O_RDWR)
814	const_iv (O_CREAT)	921	const_iv (O_CREAT)
815	const_iv (O_TRUNC)	922	const_iv (O_TRUNC)
…		…
883	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
884	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
885	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
886	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
887		994
		995	const_iv (FIEMAP_FLAG_SYNC)
		996	const_iv (FIEMAP_FLAG_XATTR)
		997	const_iv (FIEMAP_FLAGS_COMPAT)
		998	const_iv (FIEMAP_EXTENT_LAST)
		999	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1000	const_iv (FIEMAP_EXTENT_DELALLOC)
		1001	const_iv (FIEMAP_EXTENT_ENCODED)
		1002	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1003	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1004	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1005	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1006	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1007	const_iv (FIEMAP_EXTENT_MERGED)
		1008	const_iv (FIEMAP_EXTENT_SHARED)
		1009
		1010	const_iv (SPLICE_F_MOVE)
		1011	const_iv (SPLICE_F_NONBLOCK)
		1012	const_iv (SPLICE_F_MORE)
		1013	const_iv (SPLICE_F_GIFT)
		1014
		1015	const_iv (SEEK_DATA)
		1016	const_iv (SEEK_HOLE)
		1017
		1018	/* libeio constants */
		1019	const_eio (SEEK_SET)
		1020	const_eio (SEEK_CUR)
		1021	const_eio (SEEK_END)
		1022
888	const_eio (MCL_FUTURE)	1023	const_eio (MCL_FUTURE)
889	const_eio (MCL_CURRENT)	1024	const_eio (MCL_CURRENT)
890		1025
891	const_eio (MS_ASYNC)	1026	const_eio (MS_ASYNC)
892	const_eio (MS_INVALIDATE)	1027	const_eio (MS_INVALIDATE)
…		…
897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1032	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
898	const_eio (SYNC_FILE_RANGE_WRITE)	1033	const_eio (SYNC_FILE_RANGE_WRITE)
899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1034	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
900		1035
901	const_eio (FALLOC_FL_KEEP_SIZE)	1036	const_eio (FALLOC_FL_KEEP_SIZE)
		1037	const_eio (FALLOC_FL_PUNCH_HOLE)
		1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1039	const_eio (FALLOC_FL_ZERO_RANGE)
902		1040
903	const_eio (READDIR_DENTS)	1041	const_eio (READDIR_DENTS)
904	const_eio (READDIR_DIRS_FIRST)	1042	const_eio (READDIR_DIRS_FIRST)
905	const_eio (READDIR_STAT_ORDER)	1043	const_eio (READDIR_STAT_ORDER)
906	const_eio (READDIR_FOUND_UNKNOWN)	1044	const_eio (READDIR_FOUND_UNKNOWN)
…		…
917	};	1055	};
918		1056
919	aio_stash = gv_stashpv ("IO::AIO" , 1);	1057	aio_stash = gv_stashpv ("IO::AIO" , 1);
920	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1058	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
921	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1059	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1060	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
922		1061
923	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1062	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
924	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1063	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
925		1064
926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1065	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
927		1066
928	X_THREAD_ATFORK (0, 0, atfork_child);	1067	reinit ();
929	atfork_child (); /* calls create_respipe and eio_init */
930	}	1068	}
		1069
		1070	void
		1071	reinit ()
		1072	PROTOTYPE:
931		1073
932	void	1074	void
933	max_poll_reqs (unsigned int nreqs)	1075	max_poll_reqs (unsigned int nreqs)
934	PROTOTYPE: $	1076	PROTOTYPE: $
935	CODE:	1077	CODE:
…		…
970	PROTOTYPE: $	1112	PROTOTYPE: $
971	CODE:	1113	CODE:
972	max_outstanding = maxreqs;	1114	max_outstanding = maxreqs;
973		1115
974	void	1116	void
975	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1117	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
976	PPCODE:	1118	PPCODE:
977	{	1119	{
978	dREQ;	1120	dREQ;
979		1121
		1122	req->type = EIO_WD_OPEN;
		1123	req_set_path1 (req, pathname);
		1124
		1125	REQ_SEND;
		1126	}
		1127
		1128	void
		1129	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1130	PPCODE:
		1131	{
		1132	dREQ;
		1133
980	req->type = EIO_OPEN;	1134	req->type = EIO_OPEN;
981	req->sv1 = newSVsv (pathname);	1135	req_set_path1 (req, pathname);
982	req->ptr1 = SvPVbyte_nolen (req->sv1);
983	req->int1 = flags;	1136	req->int1 = flags;
984	req->int2 = mode;	1137	req->int2 = mode;
985		1138
986	REQ_SEND;	1139	REQ_SEND;
987	}	1140	}
988		1141
989	void	1142	void
990	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1143	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
991	ALIAS:	1144	ALIAS:
992	aio_fsync = EIO_FSYNC	1145	aio_fsync = EIO_FSYNC
993	aio_fdatasync = EIO_FDATASYNC	1146	aio_fdatasync = EIO_FDATASYNC
		1147	aio_syncfs = EIO_SYNCFS
994	PPCODE:	1148	PPCODE:
995	{	1149	{
996	int fd = s_fileno_croak (fh, 0);	1150	int fd = s_fileno_croak (fh, 0);
997	dREQ;	1151	dREQ;
998		1152
999	req->type = ix;	1153	req->type = ix;
1000	req->sv1 = newSVsv (fh);	1154	req->sv1 = newSVsv (fh);
1001	req->int1 = fd;	1155	req->int1 = fd;
1002		1156
1003	REQ_SEND (req);	1157	REQ_SEND;
1004	}	1158	}
1005		1159
1006	void	1160	void
1007	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1161	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1008	PPCODE:	1162	PPCODE:
1009	{	1163	{
1010	int fd = s_fileno_croak (fh, 0);	1164	int fd = s_fileno_croak (fh, 0);
1011	dREQ;	1165	dREQ;
1012		1166
1013	req->type = EIO_SYNC_FILE_RANGE;	1167	req->type = EIO_SYNC_FILE_RANGE;
1014	req->sv1 = newSVsv (fh);	1168	req->sv1 = newSVsv (fh);
1015	req->int1 = fd;	1169	req->int1 = fd;
1016	req->offs = offset;	1170	req->offs = offset;
1017	req->size = nbytes;	1171	req->size = nbytes;
1018	req->int2 = flags;	1172	req->int2 = flags;
1019		1173
1020	REQ_SEND (req);	1174	REQ_SEND;
1021	}	1175	}
1022		1176
1023	void	1177	void
1024	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1178	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1025	PPCODE:	1179	PPCODE:
1026	{	1180	{
1027	int fd = s_fileno_croak (fh, 0);	1181	int fd = s_fileno_croak (fh, 0);
1028	dREQ;	1182	dREQ;
1029		1183
1030	req->type = EIO_FALLOCATE;	1184	req->type = EIO_FALLOCATE;
1031	req->sv1 = newSVsv (fh);	1185	req->sv1 = newSVsv (fh);
1032	req->int1 = fd;	1186	req->int1 = fd;
1033	req->int2 = mode;	1187	req->int2 = mode;
1034	req->offs = offset;	1188	req->offs = offset;
1035	req->size = len;	1189	req->size = len;
1036		1190
1037	REQ_SEND (req);	1191	REQ_SEND;
1038	}	1192	}
1039		1193
1040	void	1194	void
1041	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1195	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1042	PPCODE:	1196	PPCODE:
1043	{	1197	{
1044	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1198	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1045	int fd = s_fileno_croak (fh, 0);	1199	int fd = s_fileno_croak (fh, 0);
1046	dREQ;	1200	dREQ;
1047		1201
1048	if (expect_false (close_fd < 0))	1202	if (expect_false (close_fd < 0))
1049	{	1203	{
1050	int pipefd [2];	1204	int pipefd [2];
…		…
1066	req->type = EIO_DUP2;	1220	req->type = EIO_DUP2;
1067	req->int1 = close_fd;	1221	req->int1 = close_fd;
1068	req->sv2 = newSVsv (fh);	1222	req->sv2 = newSVsv (fh);
1069	req->int2 = fd;	1223	req->int2 = fd;
1070		1224
1071	REQ_SEND (req);	1225	REQ_SEND;
1072	}	1226	}
1073		1227
1074	void	1228	void
		1229	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1230	PPCODE:
		1231	{
		1232	int fd = s_fileno_croak (fh, 0);
		1233	dREQ;
		1234
		1235	req->type = EIO_SEEK;
		1236	req->sv1 = newSVsv (fh);
		1237	req->int1 = fd;
		1238	req->offs = SvVAL64 (offset);
		1239	req->int2 = whence;
		1240
		1241	REQ_SEND;
		1242	}
		1243
		1244	void
1075	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1245	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1076	ALIAS:	1246	ALIAS:
1077	aio_read = EIO_READ	1247	aio_read = EIO_READ
1078	aio_write = EIO_WRITE	1248	aio_write = EIO_WRITE
1079	PPCODE:	1249	PPCODE:
1080	{	1250	{
…		…
1096	len = svlen - dataoffset;	1266	len = svlen - dataoffset;
1097	}	1267	}
1098	else	1268	else
1099	{	1269	{
1100	/* read: check type and grow scalar as necessary */	1270	/* read: check type and grow scalar as necessary */
1101	SvUPGRADE (data, SVt_PV);	1271	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1102	svptr = SvGROW (data, len + dataoffset + 1);	1272	svptr = sv_grow (data, len + dataoffset + 1);
		1273	else if (SvCUR (data) < len + dataoffset)
		1274	croak ("length + dataoffset outside of scalar, and cannot grow");
1103	}	1275	}
1104		1276
1105	{	1277	{
1106	dREQ;	1278	dREQ;
1107		1279
…		…
1123	REQ_SEND;	1295	REQ_SEND;
1124	}	1296	}
1125	}	1297	}
1126		1298
1127	void	1299	void
1128	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1300	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1129	ALIAS:	1301	ALIAS:
1130	aio_readlink = EIO_READLINK	1302	aio_readlink = EIO_READLINK
1131	aio_realpath = EIO_REALPATH	1303	aio_realpath = EIO_REALPATH
1132	PPCODE:	1304	PPCODE:
1133	{	1305	{
1134	dREQ;	1306	dREQ;
1135		1307
1136	req->type = ix;	1308	req->type = ix;
1137	req->sv1 = newSVsv (path);	1309	req_set_path1 (req, pathname);
1138	req->ptr1 = SvPVbyte_nolen (req->sv1);
1139		1310
1140	REQ_SEND;	1311	REQ_SEND;
1141	}	1312	}
1142		1313
1143	void	1314	void
1144	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1315	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1145	PPCODE:	1316	PPCODE:
1146	{	1317	{
1147	int ifd = s_fileno_croak (in_fh , 0);	1318	int ifd = s_fileno_croak (in_fh , 0);
1148	int ofd = s_fileno_croak (out_fh, 1);	1319	int ofd = s_fileno_croak (out_fh, 1);
1149	dREQ;	1320	dREQ;
1150		1321
1151	req->type = EIO_SENDFILE;	1322	req->type = EIO_SENDFILE;
1152	req->sv1 = newSVsv (out_fh);	1323	req->sv1 = newSVsv (out_fh);
1153	req->int1 = ofd;	1324	req->int1 = ofd;
…		…
1158		1329
1159	REQ_SEND;	1330	REQ_SEND;
1160	}	1331	}
1161		1332
1162	void	1333	void
1163	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1334	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1164	PPCODE:	1335	PPCODE:
1165	{	1336	{
1166	int fd = s_fileno_croak (fh, 0);	1337	int fd = s_fileno_croak (fh, 0);
1167	dREQ;	1338	dREQ;
1168		1339
1169	req->type = EIO_READAHEAD;	1340	req->type = EIO_READAHEAD;
1170	req->sv1 = newSVsv (fh);	1341	req->sv1 = newSVsv (fh);
1171	req->int1 = fd;	1342	req->int1 = fd;
…		…
1174		1345
1175	REQ_SEND;	1346	REQ_SEND;
1176	}	1347	}
1177		1348
1178	void	1349	void
1179	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1350	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1180	ALIAS:	1351	ALIAS:
1181	aio_stat = EIO_STAT	1352	aio_stat = EIO_STAT
1182	aio_lstat = EIO_LSTAT	1353	aio_lstat = EIO_LSTAT
1183	aio_statvfs = EIO_STATVFS	1354	aio_statvfs = EIO_STATVFS
1184	PPCODE:	1355	PPCODE:
1185	{	1356	{
1186	dREQ;	1357	dREQ;
1187		1358
1188	req->sv1 = newSVsv (fh_or_path);	1359	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1189
1190	if (SvPOK (req->sv1))
1191	{
1192	req->type = ix;
1193	req->ptr1 = SvPVbyte_nolen (req->sv1);
1194	}
1195	else
1196	{
1197	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1198	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1199	}
1200		1360
1201	REQ_SEND;	1361	REQ_SEND;
1202	}	1362	}
1203		1363
1204	UV	1364	UV
…		…
1216	RETVAL = makedev (maj, min);	1376	RETVAL = makedev (maj, min);
1217	OUTPUT:	1377	OUTPUT:
1218	RETVAL	1378	RETVAL
1219		1379
1220	void	1380	void
1221	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1381	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1222	PPCODE:	1382	PPCODE:
1223	{	1383	{
1224	dREQ;	1384	dREQ;
1225		1385
1226	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1386	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1227	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1387	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1228	req->sv1 = newSVsv (fh_or_path);	1388	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1229
1230	if (SvPOK (req->sv1))
1231	{
1232	req->type = EIO_UTIME;
1233	req->ptr1 = SvPVbyte_nolen (req->sv1);
1234	}
1235	else
1236	{
1237	req->type = EIO_FUTIME;
1238	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1239	}
1240		1389
1241	REQ_SEND;	1390	REQ_SEND;
1242	}	1391	}
1243		1392
1244	void	1393	void
1245	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1394	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1246	PPCODE:	1395	PPCODE:
1247	{	1396	{
1248	dREQ;	1397	dREQ;
1249		1398
1250	req->sv1 = newSVsv (fh_or_path);
1251	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1399	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1252		1400	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1253	if (SvPOK (req->sv1))
1254	{
1255	req->type = EIO_TRUNCATE;
1256	req->ptr1 = SvPVbyte_nolen (req->sv1);
1257	}
1258	else
1259	{
1260	req->type = EIO_FTRUNCATE;
1261	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1262	}
1263		1401
1264	REQ_SEND;	1402	REQ_SEND;
1265	}	1403	}
1266		1404
1267	void	1405	void
1268	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1406	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1269	ALIAS:
1270	aio_chmod = EIO_CHMOD
1271	aio_mkdir = EIO_MKDIR
1272	PPCODE:	1407	PPCODE:
1273	{	1408	{
1274	dREQ;	1409	dREQ;
1275		1410
1276	req->int2 = mode;	1411	req->int2 = mode;
1277	req->sv1 = newSVsv (fh_or_path);	1412	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1278
1279	if (SvPOK (req->sv1))
1280	{
1281	req->type = ix;
1282	req->ptr1 = SvPVbyte_nolen (req->sv1);
1283	}
1284	else
1285	{
1286	req->type = EIO_FCHMOD;
1287	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1288	}
1289		1413
1290	REQ_SEND;	1414	REQ_SEND;
1291	}	1415	}
1292		1416
1293	void	1417	void
1294	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1418	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1295	PPCODE:	1419	PPCODE:
1296	{	1420	{
1297	dREQ;	1421	dREQ;
1298		1422
1299	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1423	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1300	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1424	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1301	req->sv1 = newSVsv (fh_or_path);	1425	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1302
1303	if (SvPOK (req->sv1))
1304	{
1305	req->type = EIO_CHOWN;
1306	req->ptr1 = SvPVbyte_nolen (req->sv1);
1307	}
1308	else
1309	{
1310	req->type = EIO_FCHOWN;
1311	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1312	}
1313		1426
1314	REQ_SEND;	1427	REQ_SEND;
1315	}	1428	}
1316		1429
1317	void	1430	void
1318	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1431	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1319	PPCODE:	1432	PPCODE:
1320	{	1433	{
1321	dREQ;	1434	dREQ;
1322		1435
1323	req->type = EIO_READDIR;	1436	req->type = EIO_READDIR;
1324	req->sv1 = newSVsv (pathname);
1325	req->ptr1 = SvPVbyte_nolen (req->sv1);
1326	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1437	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1327		1438
1328	if (flags & EIO_READDIR_DENTS)	1439	if (flags & EIO_READDIR_DENTS)
1329	req->int1 |= EIO_READDIR_CUSTOM2;	1440	req->int1 |= EIO_READDIR_CUSTOM2;
1330		1441
		1442	req_set_path1 (req, pathname);
		1443
1331	REQ_SEND;	1444	REQ_SEND;
1332	}	1445	}
1333		1446
1334	void	1447	void
		1448	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1449	PPCODE:
		1450	{
		1451	dREQ;
		1452
		1453	req->type = EIO_MKDIR;
		1454	req->int2 = mode;
		1455	req_set_path1 (req, pathname);
		1456
		1457	REQ_SEND;
		1458	}
		1459
		1460	void
1335	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1461	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1336	ALIAS:	1462	ALIAS:
1337	aio_unlink = EIO_UNLINK	1463	aio_unlink = EIO_UNLINK
1338	aio_rmdir = EIO_RMDIR	1464	aio_rmdir = EIO_RMDIR
1339	aio_readdir = EIO_READDIR	1465	aio_readdir = EIO_READDIR
1340	PPCODE:	1466	PPCODE:
1341	{	1467	{
1342	dREQ;	1468	dREQ;
1343		1469
1344	req->type = ix;	1470	req->type = ix;
1345	req->sv1 = newSVsv (pathname);	1471	req_set_path1 (req, pathname);
1346	req->ptr1 = SvPVbyte_nolen (req->sv1);
1347		1472
1348	REQ_SEND;	1473	REQ_SEND;
1349	}	1474	}
1350		1475
1351	void	1476	void
1352	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1477	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1353	ALIAS:	1478	ALIAS:
1354	aio_link = EIO_LINK	1479	aio_link = EIO_LINK
1355	aio_symlink = EIO_SYMLINK	1480	aio_symlink = EIO_SYMLINK
1356	aio_rename = EIO_RENAME	1481	aio_rename = EIO_RENAME
1357	PPCODE:	1482	PPCODE:
1358	{	1483	{
		1484	eio_wd wd2 = 0;
1359	dREQ;	1485	dREQ;
1360		1486
1361	req->type = ix;	1487	req->type = ix;
1362	req->sv1 = newSVsv (oldpath);	1488	req_set_path1 (req, oldpath);
1363	req->ptr1 = SvPVbyte_nolen (req->sv1);	1489	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1364	req->sv2 = newSVsv (newpath);	1490	req->int3 = (long)wd2;
1365	req->ptr2 = SvPVbyte_nolen (req->sv2);
1366		1491
1367	REQ_SEND;	1492	REQ_SEND;
1368	}	1493	}
1369		1494
1370	void	1495	void
1371	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1496	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1372	PPCODE:	1497	PPCODE:
1373	{	1498	{
1374	dREQ;	1499	dREQ;
1375		1500
1376	req->type = EIO_MKNOD;	1501	req->type = EIO_MKNOD;
1377	req->sv1 = newSVsv (pathname);
1378	req->ptr1 = SvPVbyte_nolen (req->sv1);
1379	req->int2 = (mode_t)mode;	1502	req->int2 = (mode_t)mode;
1380	req->offs = dev;	1503	req->offs = dev;
		1504	req_set_path1 (req, pathname);
1381		1505
1382	REQ_SEND;	1506	REQ_SEND;
1383	}	1507	}
1384		1508
1385	void	1509	void
1386	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1510	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1387	ALIAS:	1511	ALIAS:
1388	aio_mtouch = EIO_MTOUCH	1512	aio_mtouch = EIO_MTOUCH
1389	aio_msync = EIO_MSYNC	1513	aio_msync = EIO_MSYNC
1390	PPCODE:	1514	PPCODE:
1391	{	1515	{
…		…
1414	REQ_SEND;	1538	REQ_SEND;
1415	}	1539	}
1416	}	1540	}
1417		1541
1418	void	1542	void
1419	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1543	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1420	PPCODE:	1544	PPCODE:
1421	{	1545	{
1422	STRLEN svlen;	1546	STRLEN svlen;
1423	char *svptr = SvPVbyte (data, svlen);	1547	char *svptr = SvPVbyte (data, svlen);
1424	UV len = SvUV (length);	1548	UV len = SvUV (length);
…		…
1443	REQ_SEND;	1567	REQ_SEND;
1444	}	1568	}
1445	}	1569	}
1446		1570
1447	void	1571	void
1448	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1572	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1449	PPCODE:	1573	PPCODE:
1450	{	1574	{
1451	dREQ;	1575	dREQ;
1452		1576
1453	req->type = EIO_MLOCKALL;	1577	req->type = EIO_MLOCKALL;
…		…
1455		1579
1456	REQ_SEND;	1580	REQ_SEND;
1457	}	1581	}
1458		1582
1459	void	1583	void
		1584	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1585	PPCODE:
		1586	{
		1587	int fd = s_fileno_croak (fh, 0);
		1588	dREQ;
		1589
		1590	req->type = EIO_CUSTOM;
		1591	req->sv1 = newSVsv (fh);
		1592	req->int1 = fd;
		1593
		1594	req->feed = fiemap;
		1595	#if HAVE_FIEMAP
		1596	/* keep our fingers crossed that the next two types are 64 bit */
		1597	req->offs = start;
		1598	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1599	req->int2 = flags;
		1600	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1601	#endif
		1602
		1603	REQ_SEND;
		1604	}
		1605
		1606	void
1460	aio_busy (double delay, SV *callback=&PL_sv_undef)	1607	aio_busy (double delay, SV *callback = &PL_sv_undef)
1461	PPCODE:	1608	PPCODE:
1462	{	1609	{
1463	dREQ;	1610	dREQ;
1464		1611
1465	req->type = EIO_BUSY;	1612	req->type = EIO_BUSY;
…		…
1467		1614
1468	REQ_SEND;	1615	REQ_SEND;
1469	}	1616	}
1470		1617
1471	void	1618	void
1472	aio_group (SV *callback=&PL_sv_undef)	1619	aio_group (SV *callback = &PL_sv_undef)
1473	PPCODE:	1620	PPCODE:
1474	{	1621	{
1475	dREQ;	1622	dREQ;
1476		1623
1477	req->type = EIO_GROUP;	1624	req->type = EIO_GROUP;
1478		1625
		1626	PUTBACK;
1479	req_submit (req);	1627	req_submit (req);
		1628	SPAGAIN;
		1629
1480	XPUSHs (req_sv (req, aio_grp_stash));	1630	XPUSHs (req_sv (req, aio_grp_stash));
1481	}	1631	}
1482		1632
1483	void	1633	void
1484	aio_nop (SV *callback=&PL_sv_undef)	1634	aio_nop (SV *callback = &PL_sv_undef)
1485	ALIAS:	1635	ALIAS:
1486	aio_nop = EIO_NOP	1636	aio_nop = EIO_NOP
1487	aio_sync = EIO_SYNC	1637	aio_sync = EIO_SYNC
1488	PPCODE:	1638	PPCODE:
1489	{	1639	{
…		…
1493		1643
1494	REQ_SEND;	1644	REQ_SEND;
1495	}	1645	}
1496		1646
1497	int	1647	int
1498	aioreq_pri (int pri = 0)	1648	aioreq_pri (int pri = NO_INIT)
1499	CODE:	1649	CODE:
1500	RETVAL = next_pri;	1650	RETVAL = next_pri;
1501	if (items > 0)	1651	if (items > 0)
1502	{	1652	{
1503	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1653	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1585	CODE:	1735	CODE:
1586	RETVAL = posix_fadvise (fh, offset, length, advice);	1736	RETVAL = posix_fadvise (fh, offset, length, advice);
1587	OUTPUT:	1737	OUTPUT:
1588	RETVAL	1738	RETVAL
1589		1739
1590	ssize_t	1740	IV
1591	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1741	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1592	CODE:	1742	CODE:
1593	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1743	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1594	OUTPUT:	1744	OUTPUT:
1595	RETVAL	1745	RETVAL
1596		1746
1597	void	1747	void
1598	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1748	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1599	PPCODE:	1749	PPCODE:
1600	sv_unmagic (scalar, MMAP_MAGIC);	1750	sv_unmagic (scalar, MMAP_MAGIC);
1601	{	1751	{
1602	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1603	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1753	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1630	munmap (SV *scalar)	1780	munmap (SV *scalar)
1631	CODE:	1781	CODE:
1632	sv_unmagic (scalar, MMAP_MAGIC);	1782	sv_unmagic (scalar, MMAP_MAGIC);
1633		1783
1634	int	1784	int
1635	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1785	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1636	ALIAS:	1786	ALIAS:
1637	mprotect = 1	1787	mprotect = 1
1638	CODE:	1788	CODE:
1639	{	1789	{
1640	STRLEN svlen;	1790	STRLEN svlen;
1641	void *addr = SvPVbyte (scalar, svlen);	1791	void *addr = SvPVbyte (scalar, svlen);
1642	size_t len = SvUV (length);	1792	STRLEN len = SvUV (length);
1643		1793
1644	if (offset < 0)	1794	if (offset < 0)
1645	offset += svlen;	1795	offset += svlen;
1646		1796
1647	if (offset < 0 || offset > svlen)	1797	if (offset < 0 || offset > svlen)
…		…
1661	}	1811	}
1662	OUTPUT:	1812	OUTPUT:
1663	RETVAL	1813	RETVAL
1664		1814
1665	int	1815	int
1666	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1816	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1667	CODE:	1817	CODE:
1668	{	1818	{
1669	STRLEN svlen;	1819	STRLEN svlen;
1670	void *addr = SvPVbyte (scalar, svlen);	1820	void *addr = SvPVbyte (scalar, svlen);
1671	size_t len = SvUV (length);	1821	size_t len = SvUV (length);
1672		1822
1673	if (offset < 0)	1823	if (offset < 0)
1674	offset += svlen;	1824	offset += svlen;
1675		1825
…		…
1682	addr = (void *)(((intptr_t)addr) + offset);	1832	addr = (void *)(((intptr_t)addr) + offset);
1683	eio_page_align (&addr, &len);	1833	eio_page_align (&addr, &len);
1684	#if _POSIX_MEMLOCK_RANGE	1834	#if _POSIX_MEMLOCK_RANGE
1685	RETVAL = munlock (addr, len);	1835	RETVAL = munlock (addr, len);
1686	#else	1836	#else
1687	RETVAL = ((errno = ENOSYS), -1);	1837	RETVAL = EIO_ENOSYS ();
1688	#endif	1838	#endif
1689	}	1839	}
1690	OUTPUT:	1840	OUTPUT:
1691	RETVAL	1841	RETVAL
1692		1842
…		…
1694	munlockall ()	1844	munlockall ()
1695	CODE:	1845	CODE:
1696	#if _POSIX_MEMLOCK	1846	#if _POSIX_MEMLOCK
1697	munlockall ();	1847	munlockall ();
1698	#else	1848	#else
		1849	RETVAL = EIO_ENOSYS ();
		1850	#endif
		1851	OUTPUT:
		1852	RETVAL
		1853
		1854	int
		1855	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1856	CODE:
		1857	{
		1858	#if HAVE_LINUX_SPLICE
		1859	loff_t off_in_, off_out_;
		1860	RETVAL = splice (
		1861	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1862	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1863	length, flags
		1864	);
		1865	#else
		1866	RETVAL = EIO_ENOSYS ();
		1867	#endif
		1868	}
		1869	OUTPUT:
		1870	RETVAL
		1871
		1872	int
		1873	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1874	CODE:
		1875	#if HAVE_LINUX_SPLICE
		1876	RETVAL = tee (rfh, wfh, length, flags);
		1877	#else
		1878	RETVAL = EIO_ENOSYS ();
		1879	#endif
		1880	OUTPUT:
		1881	RETVAL
		1882
		1883	int
		1884	pipesize (aio_rfd rfh, int new_size = -1)
		1885	PROTOTYPE: $;$
		1886	CODE:
		1887	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1888	if (new_size >= 0)
		1889	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1890	else
		1891	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1892	#else
		1893	errno = ENOSYS;
1699	RETVAL = -1;	1894	RETVAL = -1;
1700	errno = ENOSYS;
1701	#endif	1895	#endif
1702	OUTPUT:	1896	OUTPUT:
1703	RETVAL	1897	RETVAL
1704		1898
1705	void _on_next_submit (SV *cb)	1899	void _on_next_submit (SV *cb)
…		…
1707	SvREFCNT_dec (on_next_submit);	1901	SvREFCNT_dec (on_next_submit);
1708	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1902	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1709		1903
1710	PROTOTYPES: DISABLE	1904	PROTOTYPES: DISABLE
1711		1905
		1906	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1907
		1908	BOOT:
		1909	{
		1910	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1911	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1912	}
		1913
		1914	void
		1915	DESTROY (SV *self)
		1916	CODE:
		1917	{
		1918	aio_wd wd = SvAIO_WD (self);
		1919	#if HAVE_AT
		1920	{
		1921	SV *callback = &PL_sv_undef;
		1922	dREQ; /* clobbers next_pri :/ */
		1923	next_pri = req->pri; /* restore next_pri */
		1924	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1925	req->type = EIO_WD_CLOSE;
		1926	req->wd = wd;
		1927	REQ_SEND;
		1928	}
		1929	#else
		1930	eio_wd_close_sync (wd);
		1931	#endif
		1932	}
		1933
1712	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1934	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1713		1935
1714	void	1936	void
1715	cancel (aio_req_ornot req)	1937	cancel (aio_req_ornot req)
1716	CODE:	1938	CODE:
1717	eio_cancel (req);	1939	eio_cancel (req);
1718		1940
1719	void	1941	void
1720	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1942	cb (aio_req_ornot req, SV *callback = NO_INIT)
1721	PPCODE:	1943	PPCODE:
1722	{	1944	{
1723	if (GIMME_V != G_VOID)	1945	if (GIMME_V != G_VOID)
1724	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1946	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1725		1947
1726	if (items > 1)	1948	if (items > 1)
1727	{	1949	{
1728	SV *cb_cv =get_cb (callback);	1950	SV *cb_cv = get_cb (callback);
1729		1951
1730	SvREFCNT_dec (req->callback);	1952	SvREFCNT_dec (req->callback);
1731	req->callback = SvREFCNT_inc (cb_cv);	1953	req->callback = SvREFCNT_inc (cb_cv);
1732	}	1954	}
1733	}	1955	}
…		…
1790	limit (aio_req grp, int limit)	2012	limit (aio_req grp, int limit)
1791	CODE:	2013	CODE:
1792	eio_grp_limit (grp, limit);	2014	eio_grp_limit (grp, limit);
1793		2015
1794	void	2016	void
1795	feed (aio_req grp, SV *callback=&PL_sv_undef)	2017	feed (aio_req grp, SV *callback = &PL_sv_undef)
1796	CODE:	2018	CODE:
1797	{	2019	{
1798	SvREFCNT_dec (grp->sv2);	2020	SvREFCNT_dec (grp->sv2);
1799	grp->sv2 = newSVsv (callback);	2021	grp->sv2 = newSVsv (callback);
1800	grp->feed = aio_grp_feed;	2022	grp->feed = aio_grp_feed;

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