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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.196 by root, Tue Sep 27 00:41:51 2011 UTC vs.
Revision 1.250 by root, Fri Sep 22 05:20:39 2017 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. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		30	# include <linux/fs.h>
		31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
		33	# include <linux/fiemap.h>
		34	# define HAVE_FIEMAP 1
		35	# endif
22	#endif	36	#endif
23		37
24	/* perl namespace pollution */	38	/* perl namespace pollution */
25	#undef VERSION	39	#undef VERSION
26		40
…		…
62	#undef dup	76	#undef dup
63	#undef dup2	77	#undef dup2
64	#undef abort	78	#undef abort
65	#undef pipe	79	#undef pipe
66		80
		81	#define EIO_STRUCT_STAT struct _stati64
		82	#define EIO_STRUCT_STATI64
		83
67	#else	84	#else
68		85
69	#include <sys/time.h>	86	#include <sys/time.h>
70	#include <sys/select.h>	87	#include <sys/select.h>
71	#include <unistd.h>	88	#include <unistd.h>
72	#include <utime.h>	89	#include <utime.h>
73	#include <signal.h>	90	#include <signal.h>
74		91
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	92	#define EIO_STRUCT_STAT Stat_t
78		93
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	94	#endif
89		95
90	/*****************************************************************************/	96	/*****************************************************************************/
91		97
92	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
97		103
98	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
99	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
100		106
101	/*****************************************************************************/	107	/*****************************************************************************/
		108
		109	#include "libeio/config.h"
		110
		111	#if HAVE_RLIMITS
		112	#include <sys/time.h>
		113	#include <sys/resource.h>
		114	#endif
102		115
103	typedef SV SV8; /* byte-sv, used for argument-checking */	116	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	117	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	118	typedef int aio_wfd; /* write file descriptor */
106		119
…		…
113	STRLEN stroffset; \	126	STRLEN stroffset; \
114	SV *self;	127	SV *self;
115		128
116	#define EIO_NO_WRAPPERS 1	129	#define EIO_NO_WRAPPERS 1
117		130
118	#include "libeio/config.h"
119	#include "libeio/eio.h"	131	#include "libeio/eio.h"
120		132
121	static int req_invoke (eio_req *req);	133	static int req_invoke (eio_req *req);
122	#define EIO_FINISH(req) req_invoke (req)	134	#define EIO_FINISH(req) req_invoke (req)
123	static void req_destroy (eio_req *grp);	135	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	136	#define EIO_DESTROY(req) req_destroy (req)
125		137
126	#include "libeio/eio.c"	138	#include "libeio/eio.c"
127		139
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	140	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	141	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	142	#endif
196		143
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	144	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	145	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	146	#endif
291		147
292	#ifndef MAP_ANONYMOUS	148	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	149	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	150	# define MAP_ANONYMOUS MAP_ANON
295	# else	151	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	153	# endif
298	#endif	154	#endif
299	#ifndef MAP_HUGETLB	155
300	# define MAP_HUGETLB 0	156	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	157	/* also provides const_iv_ and const_niv_ macros for them */
302	#ifndef MAP_LOCKED	158	#include "def0.h"
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		159
315	#ifndef makedev	160	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) | (min))	161	# define makedev(maj,min) (((maj) << 8) | (min))
317	#endif	162	#endif
318	#ifndef major	163	#ifndef major
…		…
320	#endif	165	#endif
321	#ifndef minor	166	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	167	# define minor(dev) ((dev) & 0xff)
323	#endif	168	#endif
324		169
325	#ifndef PAGESIZE	170	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	171	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	172	#endif
		173
		174	/*****************************************************************************/
		175
		176	static void
		177	fiemap (eio_req *req)
		178	{
		179	req->result = -1;
		180
		181	#if HAVE_FIEMAP
		182	/* assume some c99 */
		183	struct fiemap *fiemap = 0;
		184	size_t end_offset;
		185	int count = req->int3;
		186
		187	req->flags |= EIO_FLAG_PTR1_FREE;
		188
		189	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		190	/* increase in 3.5kb steps */
		191	if (count < 0)
		192	count = 8;
		193
		194	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		195	errno = ENOMEM;
		196	if (!fiemap)
		197	return;
		198
		199	req->ptr1 = fiemap;
		200
		201	fiemap->fm_start = req->offs;
		202	fiemap->fm_length = req->size;
		203	fiemap->fm_flags = req->int2;
		204	fiemap->fm_extent_count = count;
		205
		206	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		207	return;
		208
		209	if (req->int3 >= 0 /* not autosizing */
		210	|| !fiemap->fm_mapped_extents /* no more extents */
		211	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		212	goto done;
		213
		214	/* else we have to loop -
		215	* it would be tempting (actually I tried that first) to just query the
		216	* number of extents needed, but linux often feels like not returning all
		217	* extents, without telling us it left any out. this complicates
		218	* this quite a bit.
		219	*/
		220
		221	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		222
		223	for (;;)
		224	{
		225	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		226	char scratch[3072];
		227	struct fiemap *incmap = (struct fiemap *)scratch;
		228
		229	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		230	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		231	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		232	incmap->fm_flags = fiemap->fm_flags;
		233	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		234
		235	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		236	return;
		237
		238	if (!incmap->fm_mapped_extents)
		239	goto done;
		240
		241	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		242	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		243	errno = ENOMEM;
		244	if (!fiemap)
		245	return;
		246
		247	req->ptr1 = fiemap;
		248
		249	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		250	{
		251	struct fiemap_extent *e = incmap->fm_extents + count;
		252
		253	if (e->fe_logical + e->fe_length >= end_offset)
		254	goto done;
		255
		256	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		257
		258	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		259	goto done;
		260
		261	}
		262	}
		263
		264	done:
		265	req->result = 0;
		266
		267	#else
		268	errno = ENOSYS;
		269	#endif
		270	}
		271
		272	/*****************************************************************************/
328		273
329	enum {	274	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	275	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	276	};
332		277
…		…
341	static s_epipe respipe;	286	static s_epipe respipe;
342		287
343	static void req_destroy (aio_req req);	288	static void req_destroy (aio_req req);
344	static void req_cancel (aio_req req);	289	static void req_cancel (aio_req req);
345		290
346	static void want_poll (void)	291	static void
		292	want_poll (void)
347	{	293	{
348	/* write a dummy byte to the pipe so fh becomes ready */	294	/* write a dummy byte to the pipe so fh becomes ready */
349	s_epipe_signal (&respipe);	295	s_epipe_signal (&respipe);
350	}	296	}
351		297
352	static void done_poll (void)	298	static void
		299	done_poll (void)
353	{	300	{
354	/* read any signals sent by the worker threads */	301	/* read any signals sent by the worker threads */
355	s_epipe_drain (&respipe);	302	s_epipe_drain (&respipe);
356	}	303	}
357		304
358	/* must be called at most once */	305	/* must be called at most once */
		306	static SV *
359	static SV *req_sv (aio_req req, HV *stash)	307	req_sv (aio_req req, HV *stash)
360	{	308	{
361	if (!req->self)	309	if (!req->self)
362	{	310	{
363	req->self = (SV *)newHV ();	311	req->self = (SV *)newHV ();
364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	312	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
…		…
368	}	316	}
369		317
370	static SV *	318	static SV *
371	newSVaio_wd (aio_wd wd)	319	newSVaio_wd (aio_wd wd)
372	{	320	{
373	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);	321	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
374	}	322	}
375		323
376	static aio_req SvAIO_REQ (SV *sv)	324	static aio_req
		325	SvAIO_REQ (SV *sv)
377	{	326	{
378	MAGIC *mg;	327	MAGIC *mg;
379		328
380	if (!SvROK (sv)	329	if (!SvROK (sv)
		330	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
381	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	331	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
382	&& SvSTASH (SvRV (sv)) != aio_req_stash	332	&& SvSTASH (SvRV (sv)) != aio_req_stash
383	&& !sv_derived_from (sv, "IO::AIO::REQ")))	333	&& !sv_derived_from (sv, "IO::AIO::REQ")))
384	croak ("object of class IO::AIO::REQ expected");	334	croak ("object of class IO::AIO::REQ expected");
385		335
386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	336	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
387		337
388	return mg ? (aio_req)mg->mg_ptr : 0;	338	return mg ? (aio_req)mg->mg_ptr : 0;
389	}	339	}
390		340
391	static aio_wd SvAIO_WD (SV *sv)	341	static aio_wd
		342	SvAIO_WD (SV *sv)
392	{	343	{
393	if (!SvROK (sv)	344	if (!SvROK (sv)
		345	|| SvTYPE (SvRV (sv)) != SVt_PVMG
394	|| SvSTASH (SvRV (sv)) != aio_wd_stash	346	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
395	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
396	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	347	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
397		348
398	return (aio_wd)(long)SvIVX (SvRV (sv));	349	return (aio_wd)(long)SvIVX (SvRV (sv));
399	}	350	}
400		351
		352	static SV *
		353	newmortalFH (int fd, int flags)
		354	{
		355	if (fd < 0)
		356	return &PL_sv_undef;
		357
		358	GV *gv = (GV *)sv_newmortal ();
		359	char sym[64];
		360	int symlen;
		361
		362	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		363	gv_init (gv, aio_stash, sym, symlen, 0);
		364
		365	symlen = snprintf (
		366	sym,
		367	sizeof (sym),
		368	"%s&=%d",
		369	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		370	fd
		371	);
		372
		373	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		374	? (SV *)gv : &PL_sv_undef;
		375	}
		376
		377	static void
401	static void aio_grp_feed (aio_req grp)	378	aio_grp_feed (aio_req grp)
402	{	379	{
403	if (grp->sv2 && SvOK (grp->sv2))	380	if (grp->sv2 && SvOK (grp->sv2))
404	{	381	{
405	dSP;	382	dSP;
406		383
…		…
414	FREETMPS;	391	FREETMPS;
415	LEAVE;	392	LEAVE;
416	}	393	}
417	}	394	}
418		395
		396	static void
419	static void req_submit (eio_req *req)	397	req_submit (eio_req *req)
420	{	398	{
421	eio_submit (req);	399	eio_submit (req);
422		400
423	if (expect_false (on_next_submit))	401	if (expect_false (on_next_submit))
424	{	402	{
…		…
431	PUTBACK;	409	PUTBACK;
432	call_sv (cb, G_DISCARD | G_EVAL);	410	call_sv (cb, G_DISCARD | G_EVAL);
433	}	411	}
434	}	412	}
435		413
		414	static int
436	static int req_invoke (eio_req *req)	415	req_invoke (eio_req *req)
437	{	416	{
438	if (req->flags & FLAG_SV2_RO_OFF)	417	if (req->flags & FLAG_SV2_RO_OFF)
439	SvREADONLY_off (req->sv2);	418	SvREADONLY_off (req->sv2);
440		419
441	if (!EIO_CANCELLED (req) && req->callback)	420	if (!EIO_CANCELLED (req) && req->callback)
…		…
463	}	442	}
464		443
465	switch (req->type)	444	switch (req->type)
466	{	445	{
467	case EIO_WD_OPEN:	446	case EIO_WD_OPEN:
468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));	447	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
469	break;	448	break;
470		449
471	case EIO_READDIR:	450	case EIO_READDIR:
472	{	451	{
473	SV *rv = &PL_sv_undef;	452	SV *rv = &PL_sv_undef;
…		…
528	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	507	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
529	}	508	}
530	break;	509	break;
531		510
532	case EIO_OPEN:	511	case EIO_OPEN:
533	{	512	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
534	/* convert fd to fh */
535	SV *fh = &PL_sv_undef;
536
537	if (req->result >= 0)
538	{
539	GV *gv = (GV *)sv_newmortal ();
540	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
541	char sym [64];
542	int symlen;
543
544	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
545	gv_init (gv, aio_stash, sym, symlen, 0);
546
547	symlen = snprintf (
548	sym,
549	sizeof (sym),
550	"%s&=%d",
551	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
552	(int)req->result
553	);
554
555	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
556	fh = (SV *)gv;
557	}
558
559	PUSHs (fh);
560	}
561	break;	513	break;
562		514
563	case EIO_STATVFS:	515	case EIO_STATVFS:
564	case EIO_FSTATVFS:	516	case EIO_FSTATVFS:
565	{	517	{
…		…
568	#ifndef _WIN32	520	#ifndef _WIN32
569	if (req->result >= 0)	521	if (req->result >= 0)
570	{	522	{
571	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	523	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
572	HV *hv = newHV ();	524	HV *hv = newHV ();
		525	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		526	* chooses to make it a struct.
		527	*/
		528	unsigned long fsid = 0;
		529	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
573		530
574	rv = sv_2mortal (newRV_noinc ((SV *)hv));	531	rv = sv_2mortal (newRV_noinc ((SV *)hv));
575		532
576	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	533	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
577	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	534	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
579	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	536	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
580	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	537	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
581	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	538	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
582	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	539	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
583	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	540	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
584	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	541	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
585	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	542	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
586	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	543	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
587	}	544	}
588	#endif	545	#endif
589		546
…		…
617	break;	574	break;
618		575
619	case EIO_STAT:	576	case EIO_STAT:
620	case EIO_LSTAT:	577	case EIO_LSTAT:
621	case EIO_FSTAT:	578	case EIO_FSTAT:
622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	579	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		580
623	PL_laststatval = req->result;	581	if (!(PL_laststatval = req->result))
624	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	582	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
625	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	583	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		584
626	PUSHs (sv_result);	585	PUSHs (sv_result);
		586	break;
		587
		588	case EIO_SEEK:
		589	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
627	break;	590	break;
628		591
629	case EIO_READ:	592	case EIO_READ:
630	{	593	{
631	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	594	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
634	SvSETMAGIC (req->sv2);	597	SvSETMAGIC (req->sv2);
635	PUSHs (sv_result);	598	PUSHs (sv_result);
636	}	599	}
637	break;	600	break;
638		601
		602	case EIO_CUSTOM:
		603	if (req->feed == fiemap)
		604	{
		605	#if HAVE_FIEMAP
		606	if (!req->result)
		607	{
		608	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		609
		610	if (fiemap->fm_extent_count)
		611	{
		612	AV *av = newAV ();
		613	int i;
		614
		615	while (fiemap->fm_mapped_extents)
		616	{
		617	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		618	AV *ext_av = newAV ();
		619
		620	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		621	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		622	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		623	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		624
		625	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		626	}
		627
		628	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		629	}
		630	else
		631	{
		632	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		633	PUSHs (sv_result);
		634	}
		635	}
		636	#endif
		637	}
		638	else
		639	PUSHs (sv_result);
		640	break;
		641
639	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	642	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
640	if (req->result > 0)	643	if (req->result > 0)
641	SvIV_set (sv_result, 0);	644	SvIV_set (sv_result, 0);
642	/* FALLTHROUGH */	645	/* FALLTHROUGH */
643		646
…		…
664	}	667	}
665		668
666	return !!SvTRUE (ERRSV);	669	return !!SvTRUE (ERRSV);
667	}	670	}
668		671
		672	static void
669	static void req_destroy (aio_req req)	673	req_destroy (aio_req req)
670	{	674	{
671	if (req->self)	675	if (req->self)
672	{	676	{
673	sv_unmagic (req->self, PERL_MAGIC_ext);	677	sv_unmagic (req->self, PERL_MAGIC_ext);
674	SvREFCNT_dec (req->self);	678	SvREFCNT_dec (req->self);
…		…
678	SvREFCNT_dec (req->sv2);	682	SvREFCNT_dec (req->sv2);
679	SvREFCNT_dec (req->sv3);	683	SvREFCNT_dec (req->sv3);
680	SvREFCNT_dec (req->sv4);	684	SvREFCNT_dec (req->sv4);
681	SvREFCNT_dec (req->callback);	685	SvREFCNT_dec (req->callback);
682		686
683	Safefree (req);	687	free (req);
684	}	688	}
685		689
		690	static void
686	static void req_cancel_subs (aio_req grp)	691	req_cancel_subs (aio_req grp)
687	{	692	{
688	if (grp->type != EIO_GROUP)	693	if (grp->type != EIO_GROUP)
689	return;	694	return;
690		695
691	SvREFCNT_dec (grp->sv2);	696	SvREFCNT_dec (grp->sv2);
692	grp->sv2 = 0;	697	grp->sv2 = 0;
693		698
694	eio_grp_cancel (grp);	699	eio_grp_cancel (grp);
695	}	700	}
696		701
		702	static void ecb_cold
697	static void create_respipe (void)	703	create_respipe (void)
698	{	704	{
699	if (s_epipe_renew (&respipe))	705	if (s_epipe_renew (&respipe))
700	croak ("IO::AIO: unable to initialize result pipe");	706	croak ("IO::AIO: unable to initialize result pipe");
701	}	707	}
702		708
703	static void poll_wait (void)	709	static void
		710	poll_wait (void)
704	{	711	{
705	while (eio_nreqs ())	712	while (eio_nreqs ())
706	{	713	{
707	int size;	714	int size;
708		715
709	X_LOCK (reslock);	716	X_LOCK (EIO_POOL->reslock);
710	size = res_queue.size;	717	size = EIO_POOL->res_queue.size;
711	X_UNLOCK (reslock);	718	X_UNLOCK (EIO_POOL->reslock);
712		719
713	if (size)	720	if (size)
714	return;	721	return;
715		722
716	etp_maybe_start_thread ();	723	etp_maybe_start_thread (EIO_POOL);
717		724
718	s_epipe_wait (&respipe);	725	s_epipe_wait (&respipe);
719	}	726	}
720	}	727	}
721		728
722	static int poll_cb (void)	729	static int
		730	poll_cb (void)
723	{	731	{
724	for (;;)	732	for (;;)
725	{	733	{
726	int res = eio_poll ();	734	int res = eio_poll ();
727		735
…		…
745	}	753	}
746		754
747	/*****************************************************************************/	755	/*****************************************************************************/
748		756
749	#if !_POSIX_MAPPED_FILES	757	#if !_POSIX_MAPPED_FILES
750	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	758	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
751	# define munmap(addr,length) (errno = ENOSYS, -1)	759	# define munmap(addr,length) EIO_ENOSYS ()
752	#endif	760	#endif
753		761
754	#if !_POSIX_MEMORY_PROTECTION	762	#if !_POSIX_MEMORY_PROTECTION
755	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	763	# define mprotect(addr,len,prot) EIO_ENOSYS ()
756	# define PROT_NONE 0
757	# define PROT_WRITE 0
758	# define MAP_PRIVATE 0
759	# define MAP_SHARED 0
760	# define MAP_FIXED 0
761	#endif	764	#endif
762		765
763	#define MMAP_MAGIC PERL_MAGIC_ext	766	#define MMAP_MAGIC PERL_MAGIC_ext
764		767
		768	static int ecb_cold
765	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	769	mmap_free (pTHX_ SV *sv, MAGIC *mg)
766	{	770	{
767	int old_errno = errno;	771	int old_errno = errno;
768	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	772	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
769	errno = old_errno;	773	errno = old_errno;
770		774
…		…
786	0, 0, 0, 0, mmap_free	790	0, 0, 0, 0, mmap_free
787	};	791	};
788		792
789	/*****************************************************************************/	793	/*****************************************************************************/
790		794
		795	static SV *
791	static SV * get_cb (SV *cb_sv)	796	get_cb (SV *cb_sv)
792	{	797	{
793	SvGETMAGIC (cb_sv);	798	SvGETMAGIC (cb_sv);
794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	799	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
795	}	800	}
796		801
		802	static aio_req ecb_noinline
		803	dreq (SV *callback)
		804	{
		805	SV *cb_cv;
		806	aio_req req;
		807	int req_pri = next_pri;
		808	next_pri = EIO_PRI_DEFAULT;
		809
		810	cb_cv = get_cb (callback);
		811
		812	req = calloc (sizeof (*req), 1);
		813	if (!req)
		814	croak ("out of memory during eio_req allocation");
		815
		816	req->callback = SvREFCNT_inc (cb_cv);
		817	req->pri = req_pri;
		818
		819	return req;
		820	}
		821
797	#define dREQ \	822	#define dREQ \
798	SV *cb_cv; \	823	aio_req req = dreq (callback); \
799	aio_req req; \
800	int req_pri = next_pri; \
801	next_pri = EIO_PRI_DEFAULT; \
802	\
803	cb_cv = get_cb (callback); \
804	\
805	Newz (0, req, 1, eio_req); \
806	if (!req) \
807	croak ("out of memory during eio_req allocation"); \
808	\
809	req->callback = SvREFCNT_inc (cb_cv); \
810	req->pri = req_pri
811		824
812	#define REQ_SEND \	825	#define REQ_SEND \
813	PUTBACK; \	826	PUTBACK; \
814	req_submit (req); \	827	req_submit (req); \
815	SPAGAIN; \	828	SPAGAIN; \
816	\	829	\
817	if (GIMME_V != G_VOID) \	830	if (GIMME_V != G_VOID) \
818	XPUSHs (req_sv (req, aio_req_stash));	831	XPUSHs (req_sv (req, aio_req_stash));
819		832
820	static void	833	ecb_inline void
821	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	834	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
822	{	835	{
823	if (SvROK (path))	836	if (expect_false (SvROK (path)))
824	{	837	{
825	AV *av = (AV *)SvRV (path);	838	SV *rv = SvRV (path);
826	SV *wdob;	839	SV *wdob;
827		840
828	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)	841	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
829	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
830
831	path = AvARRAY (av)[1];
832	wdob = AvARRAY (av)[0];
833
834	if (SvOK (wdob))
835	{	842	{
		843	path = AvARRAY (rv)[1];
		844	wdob = AvARRAY (rv)[0];
		845
		846	if (SvOK (wdob))
		847	{
836	*wd = SvAIO_WD (wdob);	848	*wd = SvAIO_WD (wdob);
837	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	849	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		850	}
		851	else
		852	*wd = EIO_INVALID_WD;
		853	}
		854	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		855	{
		856	*wd = (aio_wd)(long)SvIVX (rv);
		857	*wdsv = SvREFCNT_inc_NN (rv);
		858	*ptr = ".";
		859	return; /* path set to "." */
838	}	860	}
839	else	861	else
840	*wd = EIO_INVALID_WD;	862	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
841	}	863	}
842		864
843	*pathsv = newSVsv (path);	865	*pathsv = newSVsv (path);
844	*ptr = SvPVbyte_nolen (*pathsv);	866	*ptr = SvPVbyte_nolen (*pathsv);
845	}	867	}
846		868
847	static void	869	static void ecb_noinline
848	req_set_path1 (aio_req req, SV *path)	870	req_set_path1 (aio_req req, SV *path)
849	{	871	{
850	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	872	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
851	}	873	}
852		874
853	static void	875	static void ecb_noinline
854	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	876	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
855	{	877	{
856	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	878	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
857		879
858	switch (SvTYPE (rv))	880	switch (SvTYPE (rv))
…		…
868	default:	890	default:
869	req->type = type_path;	891	req->type = type_path;
870	req_set_path1 (req, fh_or_path);	892	req_set_path1 (req, fh_or_path);
871	break;	893	break;
872	}	894	}
873
874	}	895	}
		896
		897	XS(boot_IO__AIO) ecb_cold;
875		898
876	MODULE = IO::AIO PACKAGE = IO::AIO	899	MODULE = IO::AIO PACKAGE = IO::AIO
877		900
878	PROTOTYPES: ENABLE	901	PROTOTYPES: ENABLE
879		902
…		…
884	IV iv;	907	IV iv;
885	} *civ, const_iv[] = {	908	} *civ, const_iv[] = {
886	# define const_niv(name, value) { # name, (IV) value },	909	# define const_niv(name, value) { # name, (IV) value },
887	# define const_iv(name) { # name, (IV) name },	910	# define const_iv(name) { # name, (IV) name },
888	# define const_eio(name) { # name, (IV) EIO_ ## name },	911	# define const_eio(name) { # name, (IV) EIO_ ## name },
		912
		913	/* you have to re-run ./gendef0 after adding/removing any constants here */
		914	/* the first block can be undef if missing */
		915	const_iv (ENOSYS)
889	const_iv (EXDEV)	916	const_iv (EXDEV)
890	const_iv (ENOSYS)	917	const_iv (EBADR)
		918
		919	/* for lseek */
		920	const_iv (SEEK_DATA)
		921	const_iv (SEEK_HOLE)
		922
		923	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		924	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		925	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		926	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		927	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		928	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		929
		930	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		931	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		932	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		933	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		934	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		935
		936	/* the second block will be 0 when missing */
891	const_iv (O_RDONLY)	937	const_iv (O_RDONLY)
892	const_iv (O_WRONLY)	938	const_iv (O_WRONLY)
893	const_iv (O_RDWR)	939	const_iv (O_RDWR)
894	const_iv (O_CREAT)	940	const_iv (O_CREAT)
895	const_iv (O_TRUNC)	941	const_iv (O_TRUNC)
…		…
908	const_iv (O_SEARCH)	954	const_iv (O_SEARCH)
909	const_iv (O_DIRECTORY)	955	const_iv (O_DIRECTORY)
910	const_iv (O_DSYNC)	956	const_iv (O_DSYNC)
911	const_iv (O_RSYNC)	957	const_iv (O_RSYNC)
912	const_iv (O_SYNC)	958	const_iv (O_SYNC)
		959	const_iv (O_PATH)
		960	const_iv (O_TMPFILE)
913	const_iv (O_TTY_INIT)	961	const_iv (O_TTY_INIT)
914		962
915	const_iv (S_IFIFO)	963	const_iv (S_IFIFO)
916	const_iv (S_IFCHR)	964	const_iv (S_IFCHR)
917	const_iv (S_IFBLK)	965	const_iv (S_IFBLK)
…		…
919	const_iv (S_IFREG)	967	const_iv (S_IFREG)
920	const_iv (S_IFDIR)	968	const_iv (S_IFDIR)
921	const_iv (S_IFWHT)	969	const_iv (S_IFWHT)
922	const_iv (S_IFSOCK)	970	const_iv (S_IFSOCK)
923	const_iv (S_IFMT)	971	const_iv (S_IFMT)
924
925	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
926	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
927	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
928	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
929	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
930	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
931
932	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
933	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
934	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
935	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
936	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
937		972
938	const_iv (ST_RDONLY)	973	const_iv (ST_RDONLY)
939	const_iv (ST_NOSUID)	974	const_iv (ST_NOSUID)
940	const_iv (ST_NODEV)	975	const_iv (ST_NODEV)
941	const_iv (ST_NOEXEC)	976	const_iv (ST_NOEXEC)
…		…
951	const_iv (PROT_NONE)	986	const_iv (PROT_NONE)
952	const_iv (PROT_EXEC)	987	const_iv (PROT_EXEC)
953	const_iv (PROT_READ)	988	const_iv (PROT_READ)
954	const_iv (PROT_WRITE)	989	const_iv (PROT_WRITE)
955		990
956	/*const_iv (MAP_FIXED)*/
957	const_iv (MAP_PRIVATE)	991	const_iv (MAP_PRIVATE)
958	const_iv (MAP_SHARED)	992	const_iv (MAP_SHARED)
		993	const_iv (MAP_FIXED)
959	const_iv (MAP_ANONYMOUS)	994	const_iv (MAP_ANONYMOUS)
960		995
961	/* linuxish */	996	/* linuxish */
962	const_iv (MAP_HUGETLB)
963	const_iv (MAP_LOCKED)	997	const_iv (MAP_LOCKED)
964	const_iv (MAP_NORESERVE)	998	const_iv (MAP_NORESERVE)
965	const_iv (MAP_POPULATE)	999	const_iv (MAP_POPULATE)
966	const_iv (MAP_NONBLOCK)	1000	const_iv (MAP_NONBLOCK)
		1001	const_iv (MAP_GROWSDOWN)
		1002	const_iv (MAP_32BIT)
		1003	const_iv (MAP_HUGETLB)
		1004	const_iv (MAP_STACK)
		1005
		1006	const_iv (F_DUPFD_CLOEXEC)
		1007
		1008	const_iv (F_OFD_GETLK)
		1009	const_iv (F_OFD_SETLK)
		1010	const_iv (F_OFD_GETLKW)
		1011
		1012	const_iv (FIFREEZE)
		1013	const_iv (FITHAW)
		1014	const_iv (FITRIM)
		1015	const_iv (FICLONE)
		1016	const_iv (FICLONERANGE)
		1017	const_iv (FIDEDUPERANGE)
		1018
		1019	const_iv (FS_IOC_GETFLAGS)
		1020	const_iv (FS_IOC_SETFLAGS)
		1021	const_iv (FS_IOC_GETVERSION)
		1022	const_iv (FS_IOC_SETVERSION)
		1023	const_iv (FS_IOC_FIEMAP)
		1024	const_iv (FS_IOC_FSGETXATTR)
		1025	const_iv (FS_IOC_FSSETXATTR)
		1026	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1027	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1028	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1029
		1030	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1031
		1032	const_iv (FS_SECRM_FL)
		1033	const_iv (FS_UNRM_FL)
		1034	const_iv (FS_COMPR_FL)
		1035	const_iv (FS_SYNC_FL)
		1036	const_iv (FS_IMMUTABLE_FL)
		1037	const_iv (FS_APPEND_FL)
		1038	const_iv (FS_NODUMP_FL)
		1039	const_iv (FS_NOATIME_FL)
		1040	const_iv (FS_DIRTY_FL)
		1041	const_iv (FS_COMPRBLK_FL)
		1042	const_iv (FS_NOCOMP_FL)
		1043	const_iv (FS_ENCRYPT_FL)
		1044	const_iv (FS_BTREE_FL)
		1045	const_iv (FS_INDEX_FL)
		1046	const_iv (FS_JOURNAL_DATA_FL)
		1047	const_iv (FS_NOTAIL_FL)
		1048	const_iv (FS_DIRSYNC_FL)
		1049	const_iv (FS_TOPDIR_FL)
		1050	const_iv (FS_FL_USER_MODIFIABLE)
		1051
		1052	const_iv (FS_XFLAG_REALTIME)
		1053	const_iv (FS_XFLAG_PREALLOC)
		1054	const_iv (FS_XFLAG_IMMUTABLE)
		1055	const_iv (FS_XFLAG_APPEND)
		1056	const_iv (FS_XFLAG_SYNC)
		1057	const_iv (FS_XFLAG_NOATIME)
		1058	const_iv (FS_XFLAG_NODUMP)
		1059	const_iv (FS_XFLAG_RTINHERIT)
		1060	const_iv (FS_XFLAG_PROJINHERIT)
		1061	const_iv (FS_XFLAG_NOSYMLINKS)
		1062	const_iv (FS_XFLAG_EXTSIZE)
		1063	const_iv (FS_XFLAG_EXTSZINHERIT)
		1064	const_iv (FS_XFLAG_NODEFRAG)
		1065	const_iv (FS_XFLAG_FILESTREAM)
		1066	const_iv (FS_XFLAG_DAX)
		1067	const_iv (FS_XFLAG_HASATTR)
		1068
		1069	const_iv (FIEMAP_FLAG_SYNC)
		1070	const_iv (FIEMAP_FLAG_XATTR)
		1071	const_iv (FIEMAP_FLAGS_COMPAT)
		1072	const_iv (FIEMAP_EXTENT_LAST)
		1073	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1074	const_iv (FIEMAP_EXTENT_DELALLOC)
		1075	const_iv (FIEMAP_EXTENT_ENCODED)
		1076	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1077	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1078	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1079	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1080	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1081	const_iv (FIEMAP_EXTENT_MERGED)
		1082	const_iv (FIEMAP_EXTENT_SHARED)
		1083
		1084	const_iv (SPLICE_F_MOVE)
		1085	const_iv (SPLICE_F_NONBLOCK)
		1086	const_iv (SPLICE_F_MORE)
		1087	const_iv (SPLICE_F_GIFT)
		1088
		1089	/* these are libeio constants, and are independent of gendef0 */
		1090	const_eio (SEEK_SET)
		1091	const_eio (SEEK_CUR)
		1092	const_eio (SEEK_END)
967		1093
968	const_eio (MCL_FUTURE)	1094	const_eio (MCL_FUTURE)
969	const_eio (MCL_CURRENT)	1095	const_eio (MCL_CURRENT)
970		1096
971	const_eio (MS_ASYNC)	1097	const_eio (MS_ASYNC)
…		…
977	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1103	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
978	const_eio (SYNC_FILE_RANGE_WRITE)	1104	const_eio (SYNC_FILE_RANGE_WRITE)
979	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1105	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
980		1106
981	const_eio (FALLOC_FL_KEEP_SIZE)	1107	const_eio (FALLOC_FL_KEEP_SIZE)
		1108	const_eio (FALLOC_FL_PUNCH_HOLE)
		1109	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1110	const_eio (FALLOC_FL_ZERO_RANGE)
		1111	const_eio (FALLOC_FL_INSERT_RANGE)
		1112	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1113
		1114	const_eio (RENAME_NOREPLACE)
		1115	const_eio (RENAME_EXCHANGE)
		1116	const_eio (RENAME_WHITEOUT)
982		1117
983	const_eio (READDIR_DENTS)	1118	const_eio (READDIR_DENTS)
984	const_eio (READDIR_DIRS_FIRST)	1119	const_eio (READDIR_DIRS_FIRST)
985	const_eio (READDIR_STAT_ORDER)	1120	const_eio (READDIR_STAT_ORDER)
986	const_eio (READDIR_FOUND_UNKNOWN)	1121	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1054	PROTOTYPE: $	1189	PROTOTYPE: $
1055	CODE:	1190	CODE:
1056	max_outstanding = maxreqs;	1191	max_outstanding = maxreqs;
1057		1192
1058	void	1193	void
1059	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1194	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1060	PPCODE:	1195	PPCODE:
1061	{	1196	{
1062	dREQ;	1197	dREQ;
1063		1198
1064	req->type = EIO_WD_OPEN;	1199	req->type = EIO_WD_OPEN;
…		…
1066		1201
1067	REQ_SEND;	1202	REQ_SEND;
1068	}	1203	}
1069		1204
1070	void	1205	void
1071	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1206	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1072	PPCODE:	1207	PPCODE:
1073	{	1208	{
1074	dREQ;	1209	dREQ;
1075		1210
1076	req->type = EIO_OPEN;	1211	req->type = EIO_OPEN;
…		…
1080		1215
1081	REQ_SEND;	1216	REQ_SEND;
1082	}	1217	}
1083		1218
1084	void	1219	void
1085	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1220	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1086	ALIAS:	1221	ALIAS:
1087	aio_fsync = EIO_FSYNC	1222	aio_fsync = EIO_FSYNC
1088	aio_fdatasync = EIO_FDATASYNC	1223	aio_fdatasync = EIO_FDATASYNC
1089	aio_syncfs = EIO_SYNCFS	1224	aio_syncfs = EIO_SYNCFS
1090	PPCODE:	1225	PPCODE:
1091	{	1226	{
1092	int fd = s_fileno_croak (fh, 0);	1227	int fd = s_fileno_croak (fh, 0);
1093	dREQ;	1228	dREQ;
1094		1229
1095	req->type = ix;	1230	req->type = ix;
1096	req->sv1 = newSVsv (fh);	1231	req->sv1 = newSVsv (fh);
1097	req->int1 = fd;	1232	req->int1 = fd;
1098		1233
1099	REQ_SEND (req);	1234	REQ_SEND;
1100	}	1235	}
1101		1236
1102	void	1237	void
1103	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1238	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1104	PPCODE:	1239	PPCODE:
1105	{	1240	{
1106	int fd = s_fileno_croak (fh, 0);	1241	int fd = s_fileno_croak (fh, 0);
1107	dREQ;	1242	dREQ;
1108		1243
1109	req->type = EIO_SYNC_FILE_RANGE;	1244	req->type = EIO_SYNC_FILE_RANGE;
1110	req->sv1 = newSVsv (fh);	1245	req->sv1 = newSVsv (fh);
1111	req->int1 = fd;	1246	req->int1 = fd;
1112	req->offs = offset;	1247	req->offs = offset;
1113	req->size = nbytes;	1248	req->size = nbytes;
1114	req->int2 = flags;	1249	req->int2 = flags;
1115		1250
1116	REQ_SEND (req);	1251	REQ_SEND;
1117	}	1252	}
1118		1253
1119	void	1254	void
1120	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1255	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1121	PPCODE:	1256	PPCODE:
1122	{	1257	{
1123	int fd = s_fileno_croak (fh, 0);	1258	int fd = s_fileno_croak (fh, 0);
1124	dREQ;	1259	dREQ;
1125		1260
1126	req->type = EIO_FALLOCATE;	1261	req->type = EIO_FALLOCATE;
1127	req->sv1 = newSVsv (fh);	1262	req->sv1 = newSVsv (fh);
1128	req->int1 = fd;	1263	req->int1 = fd;
1129	req->int2 = mode;	1264	req->int2 = mode;
1130	req->offs = offset;	1265	req->offs = offset;
1131	req->size = len;	1266	req->size = len;
1132		1267
1133	REQ_SEND (req);	1268	REQ_SEND;
1134	}	1269	}
1135		1270
1136	void	1271	void
1137	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1272	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1138	PPCODE:	1273	PPCODE:
1139	{	1274	{
1140	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1275	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1141	int fd = s_fileno_croak (fh, 0);	1276	int fd = s_fileno_croak (fh, 0);
1142	dREQ;	1277	dREQ;
1143		1278
1144	if (expect_false (close_fd < 0))	1279	if (expect_false (close_fd < 0))
1145	{	1280	{
1146	int pipefd [2];	1281	int pipefd [2];
…		…
1162	req->type = EIO_DUP2;	1297	req->type = EIO_DUP2;
1163	req->int1 = close_fd;	1298	req->int1 = close_fd;
1164	req->sv2 = newSVsv (fh);	1299	req->sv2 = newSVsv (fh);
1165	req->int2 = fd;	1300	req->int2 = fd;
1166		1301
1167	REQ_SEND (req);	1302	REQ_SEND;
1168	}	1303	}
1169		1304
1170	void	1305	void
		1306	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1307	PPCODE:
		1308	{
		1309	int fd = s_fileno_croak (fh, 0);
		1310	dREQ;
		1311
		1312	req->type = EIO_SEEK;
		1313	req->sv1 = newSVsv (fh);
		1314	req->int1 = fd;
		1315	req->offs = SvVAL64 (offset);
		1316	req->int2 = whence;
		1317
		1318	REQ_SEND;
		1319	}
		1320
		1321	void
1171	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1322	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1172	ALIAS:	1323	ALIAS:
1173	aio_read = EIO_READ	1324	aio_read = EIO_READ
1174	aio_write = EIO_WRITE	1325	aio_write = EIO_WRITE
1175	PPCODE:	1326	PPCODE:
1176	{	1327	{
…		…
1192	len = svlen - dataoffset;	1343	len = svlen - dataoffset;
1193	}	1344	}
1194	else	1345	else
1195	{	1346	{
1196	/* read: check type and grow scalar as necessary */	1347	/* read: check type and grow scalar as necessary */
1197	SvUPGRADE (data, SVt_PV);	1348	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1198	svptr = SvGROW (data, len + dataoffset + 1);	1349	svptr = sv_grow (data, len + dataoffset + 1);
		1350	else if (SvCUR (data) < len + dataoffset)
		1351	croak ("length + dataoffset outside of scalar, and cannot grow");
1199	}	1352	}
1200		1353
1201	{	1354	{
1202	dREQ;	1355	dREQ;
1203		1356
…		…
1219	REQ_SEND;	1372	REQ_SEND;
1220	}	1373	}
1221	}	1374	}
1222		1375
1223	void	1376	void
		1377	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1378	ALIAS:
		1379	aio_ioctl = EIO_IOCTL
		1380	aio_fcntl = EIO_FCNTL
		1381	PPCODE:
		1382	{
		1383	int fd = s_fileno_croak (fh, 0);
		1384	char *svptr;
		1385
		1386	if (SvPOK (arg) || !SvNIOK (arg))
		1387	{
		1388	STRLEN svlen;
		1389	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1390	#ifdef IOCPARM_LEN
		1391	STRLEN need = IOCPARM_LEN (request);
		1392	#else
		1393	STRLEN need = 256;
		1394	#endif
		1395
		1396	if (svlen < need)
		1397	svptr = SvGROW (arg, need);
		1398	}
		1399	else
		1400	svptr = (char *)SvIV (arg);
		1401
		1402	{
		1403	dREQ;
		1404
		1405	req->type = ix;
		1406	req->sv1 = newSVsv (fh);
		1407	req->int1 = fd;
		1408	req->int2 = (long)request;
		1409	req->sv2 = SvREFCNT_inc (arg);
		1410	req->ptr2 = svptr;
		1411
		1412	REQ_SEND;
		1413	}
		1414	}
		1415
		1416	void
1224	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1417	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1225	ALIAS:	1418	ALIAS:
1226	aio_readlink = EIO_READLINK	1419	aio_readlink = EIO_READLINK
1227	aio_realpath = EIO_REALPATH	1420	aio_realpath = EIO_REALPATH
1228	PPCODE:	1421	PPCODE:
1229	{	1422	{
…		…
1234		1427
1235	REQ_SEND;	1428	REQ_SEND;
1236	}	1429	}
1237		1430
1238	void	1431	void
1239	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1432	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1240	PPCODE:	1433	PPCODE:
1241	{	1434	{
1242	int ifd = s_fileno_croak (in_fh , 0);	1435	int ifd = s_fileno_croak (in_fh , 0);
1243	int ofd = s_fileno_croak (out_fh, 1);	1436	int ofd = s_fileno_croak (out_fh, 1);
1244	dREQ;	1437	dREQ;
1245		1438
1246	req->type = EIO_SENDFILE;	1439	req->type = EIO_SENDFILE;
1247	req->sv1 = newSVsv (out_fh);	1440	req->sv1 = newSVsv (out_fh);
1248	req->int1 = ofd;	1441	req->int1 = ofd;
…		…
1253		1446
1254	REQ_SEND;	1447	REQ_SEND;
1255	}	1448	}
1256		1449
1257	void	1450	void
1258	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1451	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1259	PPCODE:	1452	PPCODE:
1260	{	1453	{
1261	int fd = s_fileno_croak (fh, 0);	1454	int fd = s_fileno_croak (fh, 0);
1262	dREQ;	1455	dREQ;
1263		1456
1264	req->type = EIO_READAHEAD;	1457	req->type = EIO_READAHEAD;
1265	req->sv1 = newSVsv (fh);	1458	req->sv1 = newSVsv (fh);
1266	req->int1 = fd;	1459	req->int1 = fd;
…		…
1269		1462
1270	REQ_SEND;	1463	REQ_SEND;
1271	}	1464	}
1272		1465
1273	void	1466	void
1274	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1467	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1275	ALIAS:	1468	ALIAS:
1276	aio_stat = EIO_STAT	1469	aio_stat = EIO_STAT
1277	aio_lstat = EIO_LSTAT	1470	aio_lstat = EIO_LSTAT
1278	aio_statvfs = EIO_STATVFS	1471	aio_statvfs = EIO_STATVFS
1279	PPCODE:	1472	PPCODE:
1280	{	1473	{
1281	dREQ;	1474	dREQ;
1282		1475
1283	req->sv1 = newSVsv (fh_or_path);
1284	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1476	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1477
1285	REQ_SEND;	1478	REQ_SEND;
1286	}	1479	}
1287		1480
1288	UV	1481	UV
1289	major (UV dev)	1482	major (UV dev)
1290	ALIAS:	1483	ALIAS:
1291	minor = 1	1484	minor = 1
1292	CODE:	1485	CODE:
1293	RETVAL = ix ? major (dev) : minor (dev);	1486	RETVAL = ix ? minor (dev) : major (dev);
1294	OUTPUT:	1487	OUTPUT:
1295	RETVAL	1488	RETVAL
1296		1489
1297	UV	1490	UV
1298	makedev (UV maj, UV min)	1491	makedev (UV maj, UV min)
…		…
1300	RETVAL = makedev (maj, min);	1493	RETVAL = makedev (maj, min);
1301	OUTPUT:	1494	OUTPUT:
1302	RETVAL	1495	RETVAL
1303		1496
1304	void	1497	void
1305	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1498	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1306	PPCODE:	1499	PPCODE:
1307	{	1500	{
1308	dREQ;	1501	dREQ;
1309		1502
1310	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1503	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1313		1506
1314	REQ_SEND;	1507	REQ_SEND;
1315	}	1508	}
1316		1509
1317	void	1510	void
1318	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1511	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1319	PPCODE:	1512	PPCODE:
1320	{	1513	{
1321	dREQ;	1514	dREQ;
1322		1515
1323	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1516	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1325		1518
1326	REQ_SEND;	1519	REQ_SEND;
1327	}	1520	}
1328		1521
1329	void	1522	void
1330	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1523	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1331	ALIAS:
1332	aio_chmod = EIO_CHMOD
1333	aio_mkdir = EIO_MKDIR
1334	PPCODE:	1524	PPCODE:
1335	{	1525	{
1336	dREQ;	1526	dREQ;
1337		1527
1338	req->int2 = mode;	1528	req->int2 = mode;
…		…
1340		1530
1341	REQ_SEND;	1531	REQ_SEND;
1342	}	1532	}
1343		1533
1344	void	1534	void
1345	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1535	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1346	PPCODE:	1536	PPCODE:
1347	{	1537	{
1348	dREQ;	1538	dREQ;
1349		1539
1350	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1540	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1353		1543
1354	REQ_SEND;	1544	REQ_SEND;
1355	}	1545	}
1356		1546
1357	void	1547	void
1358	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1548	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1359	PPCODE:	1549	PPCODE:
1360	{	1550	{
1361	dREQ;	1551	dREQ;
1362		1552
1363	req->type = EIO_READDIR;	1553	req->type = EIO_READDIR;
1364	req->sv1 = newSVsv (pathname);
1365	req->ptr1 = SvPVbyte_nolen (req->sv1);
1366	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1554	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1367		1555
1368	if (flags & EIO_READDIR_DENTS)	1556	if (flags & EIO_READDIR_DENTS)
1369	req->int1 |= EIO_READDIR_CUSTOM2;	1557	req->int1 |= EIO_READDIR_CUSTOM2;
1370		1558
		1559	req_set_path1 (req, pathname);
		1560
1371	REQ_SEND;	1561	REQ_SEND;
1372	}	1562	}
1373		1563
1374	void	1564	void
		1565	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1566	PPCODE:
		1567	{
		1568	dREQ;
		1569
		1570	req->type = EIO_MKDIR;
		1571	req->int2 = mode;
		1572	req_set_path1 (req, pathname);
		1573
		1574	REQ_SEND;
		1575	}
		1576
		1577	void
1375	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1578	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1376	ALIAS:	1579	ALIAS:
1377	aio_unlink = EIO_UNLINK	1580	aio_unlink = EIO_UNLINK
1378	aio_rmdir = EIO_RMDIR	1581	aio_rmdir = EIO_RMDIR
1379	aio_readdir = EIO_READDIR	1582	aio_readdir = EIO_READDIR
1380	PPCODE:	1583	PPCODE:
…		…
1386		1589
1387	REQ_SEND;	1590	REQ_SEND;
1388	}	1591	}
1389		1592
1390	void	1593	void
1391	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1594	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1392	ALIAS:	1595	ALIAS:
1393	aio_link = EIO_LINK	1596	aio_link = EIO_LINK
1394	aio_symlink = EIO_SYMLINK	1597	aio_symlink = EIO_SYMLINK
1395	aio_rename = EIO_RENAME	1598	aio_rename = EIO_RENAME
1396	PPCODE:	1599	PPCODE:
1397	{	1600	{
		1601	eio_wd wd2 = 0;
1398	dREQ;	1602	dREQ;
1399	eio_wd wd2;
1400		1603
1401	req->type = ix;	1604	req->type = ix;
1402	req_set_path1 (req, oldpath);	1605	req_set_path1 (req, oldpath);
1403	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1606	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1404	req->int3 = (long)wd2;	1607	req->int3 = (long)wd2;
1405		1608
1406	REQ_SEND;	1609	REQ_SEND;
1407	}	1610	}
1408		1611
1409	void	1612	void
		1613	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1614	PPCODE:
		1615	{
		1616	eio_wd wd2 = 0;
		1617	dREQ;
		1618
		1619	req->type = EIO_RENAME;
		1620	req_set_path1 (req, oldpath);
		1621	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1622	req->int2 = flags;
		1623	req->int3 = (long)wd2;
		1624
		1625	REQ_SEND;
		1626	}
		1627
		1628	void
1410	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1629	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1411	PPCODE:	1630	PPCODE:
1412	{	1631	{
1413	dREQ;	1632	dREQ;
1414		1633
1415	req->type = EIO_MKNOD;	1634	req->type = EIO_MKNOD;
…		…
1419		1638
1420	REQ_SEND;	1639	REQ_SEND;
1421	}	1640	}
1422		1641
1423	void	1642	void
1424	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1643	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1425	ALIAS:	1644	ALIAS:
1426	aio_mtouch = EIO_MTOUCH	1645	aio_mtouch = EIO_MTOUCH
1427	aio_msync = EIO_MSYNC	1646	aio_msync = EIO_MSYNC
1428	PPCODE:	1647	PPCODE:
1429	{	1648	{
1430	STRLEN svlen;	1649	STRLEN svlen;
1431	char *svptr = SvPVbyte (data, svlen);	1650	char *svptr = SvPVbyte (data, svlen);
1432	UV len = SvUV (length);	1651	UV len = SvUV (length);
		1652
		1653	if (flags < 0)
		1654	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1433		1655
1434	if (offset < 0)	1656	if (offset < 0)
1435	offset += svlen;	1657	offset += svlen;
1436		1658
1437	if (offset < 0 || offset > svlen)	1659	if (offset < 0 || offset > svlen)
…		…
1452	REQ_SEND;	1674	REQ_SEND;
1453	}	1675	}
1454	}	1676	}
1455		1677
1456	void	1678	void
1457	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1679	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1458	PPCODE:	1680	PPCODE:
1459	{	1681	{
1460	STRLEN svlen;	1682	STRLEN svlen;
1461	char *svptr = SvPVbyte (data, svlen);	1683	char *svptr = SvPVbyte (data, svlen);
1462	UV len = SvUV (length);	1684	UV len = SvUV (length);
…		…
1481	REQ_SEND;	1703	REQ_SEND;
1482	}	1704	}
1483	}	1705	}
1484		1706
1485	void	1707	void
1486	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1708	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1487	PPCODE:	1709	PPCODE:
1488	{	1710	{
1489	dREQ;	1711	dREQ;
1490		1712
1491	req->type = EIO_MLOCKALL;	1713	req->type = EIO_MLOCKALL;
…		…
1493		1715
1494	REQ_SEND;	1716	REQ_SEND;
1495	}	1717	}
1496		1718
1497	void	1719	void
		1720	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1721	PPCODE:
		1722	{
		1723	int fd = s_fileno_croak (fh, 0);
		1724	dREQ;
		1725
		1726	req->type = EIO_CUSTOM;
		1727	req->sv1 = newSVsv (fh);
		1728	req->int1 = fd;
		1729
		1730	req->feed = fiemap;
		1731	#if HAVE_FIEMAP
		1732	/* keep our fingers crossed that the next two types are 64 bit */
		1733	req->offs = start;
		1734	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1735	req->int2 = flags;
		1736	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1737	#endif
		1738
		1739	REQ_SEND;
		1740	}
		1741
		1742	void
1498	aio_busy (double delay, SV *callback=&PL_sv_undef)	1743	aio_busy (double delay, SV *callback = &PL_sv_undef)
1499	PPCODE:	1744	PPCODE:
1500	{	1745	{
1501	dREQ;	1746	dREQ;
1502		1747
1503	req->type = EIO_BUSY;	1748	req->type = EIO_BUSY;
…		…
1505		1750
1506	REQ_SEND;	1751	REQ_SEND;
1507	}	1752	}
1508		1753
1509	void	1754	void
1510	aio_group (SV *callback=&PL_sv_undef)	1755	aio_group (SV *callback = &PL_sv_undef)
1511	PPCODE:	1756	PPCODE:
1512	{	1757	{
1513	dREQ;	1758	dREQ;
1514		1759
1515	req->type = EIO_GROUP;	1760	req->type = EIO_GROUP;
1516		1761
		1762	PUTBACK;
1517	req_submit (req);	1763	req_submit (req);
		1764	SPAGAIN;
		1765
1518	XPUSHs (req_sv (req, aio_grp_stash));	1766	XPUSHs (req_sv (req, aio_grp_stash));
1519	}	1767	}
1520		1768
1521	void	1769	void
1522	aio_nop (SV *callback=&PL_sv_undef)	1770	aio_nop (SV *callback = &PL_sv_undef)
1523	ALIAS:	1771	ALIAS:
1524	aio_nop = EIO_NOP	1772	aio_nop = EIO_NOP
1525	aio_sync = EIO_SYNC	1773	aio_sync = EIO_SYNC
1526	PPCODE:	1774	PPCODE:
1527	{	1775	{
…		…
1531		1779
1532	REQ_SEND;	1780	REQ_SEND;
1533	}	1781	}
1534		1782
1535	int	1783	int
1536	aioreq_pri (int pri = 0)	1784	aioreq_pri (int pri = NO_INIT)
1537	CODE:	1785	CODE:
1538	RETVAL = next_pri;	1786	RETVAL = next_pri;
1539	if (items > 0)	1787	if (items > 0)
1540	{	1788	{
1541	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1789	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1631	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1879	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1632	OUTPUT:	1880	OUTPUT:
1633	RETVAL	1881	RETVAL
1634		1882
1635	void	1883	void
1636	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1884	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1637	PPCODE:	1885	PPCODE:
1638	sv_unmagic (scalar, MMAP_MAGIC);	1886	sv_unmagic (scalar, MMAP_MAGIC);
1639	{	1887	{
1640	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1888	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1641	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1889	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1668	munmap (SV *scalar)	1916	munmap (SV *scalar)
1669	CODE:	1917	CODE:
1670	sv_unmagic (scalar, MMAP_MAGIC);	1918	sv_unmagic (scalar, MMAP_MAGIC);
1671		1919
1672	int	1920	int
1673	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1921	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1674	ALIAS:	1922	ALIAS:
1675	mprotect = 1	1923	mprotect = 1
1676	CODE:	1924	CODE:
1677	{	1925	{
1678	STRLEN svlen;	1926	STRLEN svlen;
1679	void *addr = SvPVbyte (scalar, svlen);	1927	void *addr = SvPVbyte (scalar, svlen);
1680	size_t len = SvUV (length);	1928	STRLEN len = SvUV (length);
1681		1929
1682	if (offset < 0)	1930	if (offset < 0)
1683	offset += svlen;	1931	offset += svlen;
1684		1932
1685	if (offset < 0 || offset > svlen)	1933	if (offset < 0 || offset > svlen)
…		…
1699	}	1947	}
1700	OUTPUT:	1948	OUTPUT:
1701	RETVAL	1949	RETVAL
1702		1950
1703	int	1951	int
1704	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1952	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1705	CODE:	1953	CODE:
1706	{	1954	{
1707	STRLEN svlen;	1955	STRLEN svlen;
1708	void *addr = SvPVbyte (scalar, svlen);	1956	void *addr = SvPVbyte (scalar, svlen);
1709	size_t len = SvUV (length);	1957	size_t len = SvUV (length);
1710		1958
1711	if (offset < 0)	1959	if (offset < 0)
1712	offset += svlen;	1960	offset += svlen;
1713		1961
…		…
1720	addr = (void *)(((intptr_t)addr) + offset);	1968	addr = (void *)(((intptr_t)addr) + offset);
1721	eio_page_align (&addr, &len);	1969	eio_page_align (&addr, &len);
1722	#if _POSIX_MEMLOCK_RANGE	1970	#if _POSIX_MEMLOCK_RANGE
1723	RETVAL = munlock (addr, len);	1971	RETVAL = munlock (addr, len);
1724	#else	1972	#else
1725	RETVAL = ((errno = ENOSYS), -1);	1973	RETVAL = EIO_ENOSYS ();
1726	#endif	1974	#endif
1727	}	1975	}
1728	OUTPUT:	1976	OUTPUT:
1729	RETVAL	1977	RETVAL
1730		1978
…		…
1732	munlockall ()	1980	munlockall ()
1733	CODE:	1981	CODE:
1734	#if _POSIX_MEMLOCK	1982	#if _POSIX_MEMLOCK
1735	munlockall ();	1983	munlockall ();
1736	#else	1984	#else
1737	RETVAL = -1;	1985	RETVAL = EIO_ENOSYS ();
1738	errno = ENOSYS;
1739	#endif	1986	#endif
1740	OUTPUT:	1987	OUTPUT:
1741	RETVAL	1988	RETVAL
		1989
		1990	int
		1991	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1992	CODE:
		1993	{
		1994	#if HAVE_LINUX_SPLICE
		1995	loff_t off_in_, off_out_;
		1996	RETVAL = splice (
		1997	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1998	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1999	length, flags
		2000	);
		2001	#else
		2002	RETVAL = EIO_ENOSYS ();
		2003	#endif
		2004	}
		2005	OUTPUT:
		2006	RETVAL
		2007
		2008	int
		2009	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2010	CODE:
		2011	#if HAVE_LINUX_SPLICE
		2012	RETVAL = tee (rfh, wfh, length, flags);
		2013	#else
		2014	RETVAL = EIO_ENOSYS ();
		2015	#endif
		2016	OUTPUT:
		2017	RETVAL
		2018
		2019	int
		2020	pipesize (aio_rfd rfh, int new_size = -1)
		2021	PROTOTYPE: $;$
		2022	CODE:
		2023	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2024	if (new_size >= 0)
		2025	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2026	else
		2027	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2028	#else
		2029	errno = ENOSYS;
		2030	RETVAL = -1;
		2031	#endif
		2032	OUTPUT:
		2033	RETVAL
		2034
		2035	void
		2036	pipe2 (int flags = 0)
		2037	PROTOTYPE: ;$
		2038	PPCODE:
		2039	{
		2040	int fd[2];
		2041	int res;
		2042
		2043	if (flags)
		2044	#if HAVE_PIPE2
		2045	res = pipe2 (fd, flags);
		2046	#else
		2047	res = (errno = ENOSYS, -1);
		2048	#endif
		2049	else
		2050	res = pipe (fd);
		2051
		2052	if (!res)
		2053	{
		2054	EXTEND (SP, 2);
		2055	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2056	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2057	}
		2058	}
		2059
		2060	UV
		2061	get_fdlimit ()
		2062	CODE:
		2063	#if HAVE_RLIMITS
		2064	struct rlimit rl;
		2065	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2066	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2067	#endif
		2068	XSRETURN_UNDEF;
		2069	OUTPUT:
		2070	RETVAL
		2071
		2072	void
		2073	min_fdlimit (UV limit = 0x7fffffffU)
		2074	CODE:
		2075	{
		2076	#if HAVE_RLIMITS
		2077	struct rlimit rl;
		2078	rlim_t orig_rlim_max;
		2079	UV bit;
		2080
		2081	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2082	goto fail;
		2083
		2084	if (rl.rlim_cur == RLIM_INFINITY)
		2085	XSRETURN_YES;
		2086
		2087	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2088
		2089	if (rl.rlim_cur < limit)
		2090	{
		2091	rl.rlim_cur = limit;
		2092
		2093	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2094	rl.rlim_max = rl.rlim_cur;
		2095	}
		2096
		2097	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2098	XSRETURN_YES;
		2099
		2100	if (errno == EPERM)
		2101	{
		2102	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2103	/* our limit overflows a system-wide limit */
		2104	/* try an adaptive algorithm, but do not lower the hardlimit */
		2105	rl.rlim_max = 0;
		2106	for (bit = 0x40000000U; bit; bit >>= 1)
		2107	{
		2108	rl.rlim_max |= bit;
		2109	rl.rlim_cur = rl.rlim_max;
		2110
		2111	/* nevr decrease the hard limit */
		2112	if (rl.rlim_max < orig_rlim_max)
		2113	break;
		2114
		2115	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2116	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2117	}
		2118
		2119	/* now, raise the soft limit to the max permitted */
		2120	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2121	{
		2122	rl.rlim_cur = rl.rlim_max;
		2123	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2124	errno = EPERM;
		2125	}
		2126	}
		2127	#endif
		2128	fail:
		2129	XSRETURN_UNDEF;
		2130	}
1742		2131
1743	void _on_next_submit (SV *cb)	2132	void _on_next_submit (SV *cb)
1744	CODE:	2133	CODE:
1745	SvREFCNT_dec (on_next_submit);	2134	SvREFCNT_dec (on_next_submit);
1746	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2135	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1759	DESTROY (SV *self)	2148	DESTROY (SV *self)
1760	CODE:	2149	CODE:
1761	{	2150	{
1762	aio_wd wd = SvAIO_WD (self);	2151	aio_wd wd = SvAIO_WD (self);
1763	#if HAVE_AT	2152	#if HAVE_AT
		2153	{
1764	SV *callback = &PL_sv_undef;	2154	SV *callback = &PL_sv_undef;
1765	dREQ; /* clobbers next_pri :/ */	2155	dREQ; /* clobbers next_pri :/ */
		2156	next_pri = req->pri; /* restore next_pri */
		2157	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1766	req->type = EIO_WD_CLOSE;	2158	req->type = EIO_WD_CLOSE;
1767	req->wd = wd;	2159	req->wd = wd;
1768	REQ_SEND;	2160	REQ_SEND;
		2161	}
1769	#else	2162	#else
1770	eio_wd_close_sync (wd);	2163	eio_wd_close_sync (wd);
1771	#endif	2164	#endif
1772	}	2165	}
1773		2166
…		…
1777	cancel (aio_req_ornot req)	2170	cancel (aio_req_ornot req)
1778	CODE:	2171	CODE:
1779	eio_cancel (req);	2172	eio_cancel (req);
1780		2173
1781	void	2174	void
1782	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2175	cb (aio_req_ornot req, SV *callback = NO_INIT)
1783	PPCODE:	2176	PPCODE:
1784	{	2177	{
1785	if (GIMME_V != G_VOID)	2178	if (GIMME_V != G_VOID)
1786	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2179	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1787		2180
1788	if (items > 1)	2181	if (items > 1)
1789	{	2182	{
1790	SV *cb_cv =get_cb (callback);	2183	SV *cb_cv = get_cb (callback);
1791		2184
1792	SvREFCNT_dec (req->callback);	2185	SvREFCNT_dec (req->callback);
1793	req->callback = SvREFCNT_inc (cb_cv);	2186	req->callback = SvREFCNT_inc (cb_cv);
1794	}	2187	}
1795	}	2188	}
…		…
1852	limit (aio_req grp, int limit)	2245	limit (aio_req grp, int limit)
1853	CODE:	2246	CODE:
1854	eio_grp_limit (grp, limit);	2247	eio_grp_limit (grp, limit);
1855		2248
1856	void	2249	void
1857	feed (aio_req grp, SV *callback=&PL_sv_undef)	2250	feed (aio_req grp, SV *callback = &PL_sv_undef)
1858	CODE:	2251	CODE:
1859	{	2252	{
1860	SvREFCNT_dec (grp->sv2);	2253	SvREFCNT_dec (grp->sv2);
1861	grp->sv2 = newSVsv (callback);	2254	grp->sv2 = newSVsv (callback);
1862	grp->feed = aio_grp_feed;	2255	grp->feed = aio_grp_feed;

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