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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.129 by root, Tue Sep 30 17:03:53 2008 UTC vs.
Revision 1.244 by root, Tue May 30 22:45:52 2017 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
17		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		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
		36	#endif
		37
18	/* perl namespace pollution */	38	/* perl namespace pollution */
19	#undef VERSION	39	#undef VERSION
20
21	#ifdef _WIN32
22
23	# define EIO_STRUCT_DIRENT Direntry_t
24	# undef malloc
25	# undef free
26
27	// perl overrides all those nice win32 functions
28	# undef open
29	# undef read
30	# undef write
31	# undef send
32	# undef recv
33	# undef stat
34	# undef fstat
35	# define lstat stat
36	# undef truncate
37	# undef ftruncate
38	# undef open
39	# undef close
40	# undef unlink
41	# undef rmdir
42	# undef rename
43	# undef lseek
44
45	# define chown(a,b,c) (errno = ENOSYS, -1)
46	# define fchown(a,b,c) (errno = ENOSYS, -1)
47	# define fchmod(a,b) (errno = ENOSYS, -1)
48	# define symlink(a,b) (errno = ENOSYS, -1)
49	# define readlink(a,b,c) (errno = ENOSYS, -1)
50	# define mknod(a,b,c) (errno = ENOSYS, -1)
51	# define truncate(a,b) (errno = ENOSYS, -1)
52	# define ftruncate(fd,o) chsize ((fd), (o))
53	# define fsync(fd) _commit (fd)
54	# define opendir(fd) (errno = ENOSYS, 0)
55	# define readdir(fd) (errno = ENOSYS, -1)
56	# define closedir(fd) (errno = ENOSYS, -1)
57	# define mkdir(a,b) mkdir (a)
58
59	#else
60
61	# include <sys/time.h>
62	# include <sys/select.h>
63	# include <unistd.h>
64	# include <utime.h>
65	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent
67
68	#endif
69		40
70	/* perl stupidly overrides readdir and maybe others */	41	/* perl stupidly overrides readdir and maybe others */
71	/* with thread-unsafe versions, imagine that :( */	42	/* with thread-unsafe versions, imagine that :( */
72	#undef readdir	43	#undef readdir
73	#undef opendir	44	#undef opendir
74	#undef closedir	45	#undef closedir
75		46
		47	#ifdef _WIN32
		48
		49	// perl overrides all those nice libc functions
		50
		51	#undef malloc
		52	#undef free
		53	#undef open
		54	#undef read
		55	#undef write
		56	#undef send
		57	#undef recv
		58	#undef stat
		59	#undef lstat
		60	#undef fstat
		61	#undef truncate
		62	#undef ftruncate
		63	#undef open
		64	#undef link
		65	#undef close
		66	#undef unlink
		67	#undef mkdir
		68	#undef rmdir
		69	#undef rename
		70	#undef lseek
		71	#undef opendir
		72	#undef readdir
		73	#undef closedir
		74	#undef chmod
		75	#undef fchmod
		76	#undef dup
		77	#undef dup2
		78	#undef abort
		79	#undef pipe
		80
		81	#define EIO_STRUCT_STAT struct _stati64
76	#define EIO_STRUCT_STAT Stat_t	82	#define EIO_STRUCT_STATI64
77		83
78	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8
80	# define SvVAL64 SvIV
81	#else	84	#else
82	# define SvVAL64 SvNV	85
		86	#include <sys/time.h>
		87	#include <sys/select.h>
		88	#include <unistd.h>
		89	#include <utime.h>
		90	#include <signal.h>
		91
		92	#define EIO_STRUCT_STAT Stat_t
		93
83	#endif	94	#endif
84		95
85	/*****************************************************************************/	96	/*****************************************************************************/
86		97
87	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
95		106
96	/*****************************************************************************/	107	/*****************************************************************************/
97		108
98	static HV *stash;
99	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
		110	typedef int aio_rfd; /* read file desriptor */
		111	typedef int aio_wfd; /* write file descriptor */
100		112
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		114
104	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
105	SV *callback; \	116	SV *callback; \
106	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
		118	SV *sv3, *sv4; \
107	STRLEN stroffset; \	119	STRLEN stroffset; \
108	SV *self;	120	SV *self;
109		121
110	#define EIO_NO_WRAPPERS 1	122	#define EIO_NO_WRAPPERS 1
111		123
		124	#include "libeio/config.h"
112	#include "libeio/eio.h"	125	#include "libeio/eio.h"
113		126
114	static int req_invoke (eio_req *req);	127	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	128	#define EIO_FINISH(req) req_invoke (req)
116	static void aio_grp_feed (eio_req *grp);
117	#define EIO_FEED(req) aio_grp_feed (req)
118	static void req_destroy (eio_req *grp);	129	static void req_destroy (eio_req *grp);
119	#define EIO_DESTROY(req) req_destroy (req)	130	#define EIO_DESTROY(req) req_destroy (req)
		131
		132	#include "libeio/eio.c"
		133
		134	#if !HAVE_POSIX_FADVISE
		135	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		136	#endif
		137
		138	#if !HAVE_POSIX_MADVISE
		139	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		140	#endif
		141
		142	#ifndef MAP_ANONYMOUS
		143	# ifdef MAP_ANON
		144	# define MAP_ANONYMOUS MAP_ANON
		145	# else
		146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		147	# endif
		148	#endif
		149
		150	/* defines all sorts of constants to 0 unless they are already defined */
		151	/* also provides const_iv_ and const_niv_ macros for them */
		152	#include "def0.h"
		153
		154	#ifndef makedev
		155	# define makedev(maj,min) (((maj) << 8) | (min))
		156	#endif
		157	#ifndef major
		158	# define major(dev) ((dev) >> 8)
		159	#endif
		160	#ifndef minor
		161	# define minor(dev) ((dev) & 0xff)
		162	#endif
		163
		164	#if PAGESIZE <= 0
		165	# define PAGESIZE sysconf (_SC_PAGESIZE)
		166	#endif
		167
		168	/*****************************************************************************/
		169
		170	static void
		171	fiemap (eio_req *req)
		172	{
		173	req->result = -1;
		174
		175	#if HAVE_FIEMAP
		176	/* assume some c99 */
		177	struct fiemap *fiemap = 0;
		178	size_t end_offset;
		179	int count = req->int3;
		180
		181	req->flags |= EIO_FLAG_PTR1_FREE;
		182
		183	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		184	/* increase in 3.5kb steps */
		185	if (count < 0)
		186	count = 8;
		187
		188	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		189	errno = ENOMEM;
		190	if (!fiemap)
		191	return;
		192
		193	req->ptr1 = fiemap;
		194
		195	fiemap->fm_start = req->offs;
		196	fiemap->fm_length = req->size;
		197	fiemap->fm_flags = req->int2;
		198	fiemap->fm_extent_count = count;
		199
		200	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		201	return;
		202
		203	if (req->int3 >= 0 /* not autosizing */
		204	|| !fiemap->fm_mapped_extents /* no more extents */
		205	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		206	goto done;
		207
		208	/* else we have to loop -
		209	* it would be tempting (actually I tried that first) to just query the
		210	* number of extents needed, but linux often feels like not returning all
		211	* extents, without telling us it left any out. this complicates
		212	* this quite a bit.
		213	*/
		214
		215	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		216
		217	for (;;)
		218	{
		219	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		220	char scratch[3072];
		221	struct fiemap *incmap = (struct fiemap *)scratch;
		222
		223	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		224	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		225	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		226	incmap->fm_flags = fiemap->fm_flags;
		227	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		228
		229	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		230	return;
		231
		232	if (!incmap->fm_mapped_extents)
		233	goto done;
		234
		235	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		236	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		237	errno = ENOMEM;
		238	if (!fiemap)
		239	return;
		240
		241	req->ptr1 = fiemap;
		242
		243	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		244	{
		245	struct fiemap_extent *e = incmap->fm_extents + count;
		246
		247	if (e->fe_logical + e->fe_length >= end_offset)
		248	goto done;
		249
		250	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		251
		252	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		253	goto done;
		254
		255	}
		256	}
		257
		258	done:
		259	req->result = 0;
		260
		261	#else
		262	errno = ENOSYS;
		263	#endif
		264	}
		265
		266	/*****************************************************************************/
120		267
121	enum {	268	enum {
122	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
123	};	270	};
124		271
125	#include "libeio/eio.c"
126
127	typedef eio_req *aio_req;	272	typedef eio_req *aio_req;
128	typedef eio_req *aio_req_ornot;	273	typedef eio_req *aio_req_ornot;
		274	typedef eio_wd aio_wd;
129		275
130	static SV *on_next_submit;	276	static SV *on_next_submit;
131	static int next_pri = EIO_PRI_DEFAULT;	277	static int next_pri = EIO_PRI_DEFAULT;
132	static int max_outstanding;	278	static int max_outstanding;
133		279
134	static int respipe_osf [2], respipe [2] = { -1, -1 };	280	static s_epipe respipe;
135		281
136	static void req_destroy (aio_req req);	282	static void req_destroy (aio_req req);
137	static void req_cancel (aio_req req);	283	static void req_cancel (aio_req req);
138		284
139	static void want_poll (void)	285	static void
		286	want_poll (void)
140	{	287	{
141	/* write a dummy byte to the pipe so fh becomes ready */	288	/* write a dummy byte to the pipe so fh becomes ready */
142	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	289	s_epipe_signal (&respipe);
143	}	290	}
144		291
145	static void done_poll (void)	292	static void
		293	done_poll (void)
146	{	294	{
147	/* read any signals sent by the worker threads */	295	/* read any signals sent by the worker threads */
148	char buf [4];	296	s_epipe_drain (&respipe);
149	while (respipe_read (respipe [0], buf, 4) == 4)
150	;
151	}	297	}
152		298
153	/* must be called at most once */	299	/* must be called at most once */
154	static SV *req_sv (aio_req req, const char *klass)	300	static SV *
		301	req_sv (aio_req req, HV *stash)
155	{	302	{
156	if (!req->self)	303	if (!req->self)
157	{	304	{
158	req->self = (SV *)newHV ();	305	req->self = (SV *)newHV ();
159	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	306	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
160	}	307	}
161		308
162	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	309	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
163	}	310	}
164		311
165	static aio_req SvAIO_REQ (SV *sv)	312	static SV *
		313	newSVaio_wd (aio_wd wd)
		314	{
		315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		316	}
		317
		318	static aio_req
		319	SvAIO_REQ (SV *sv)
166	{	320	{
167	MAGIC *mg;	321	MAGIC *mg;
168		322
169	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	323	if (!SvROK (sv)
		324	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
		325	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		326	&& SvSTASH (SvRV (sv)) != aio_req_stash
		327	&& !sv_derived_from (sv, "IO::AIO::REQ")))
170	croak ("object of class " AIO_REQ_KLASS " expected");	328	croak ("object of class IO::AIO::REQ expected");
171		329
172	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	330	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
173		331
174	return mg ? (aio_req)mg->mg_ptr : 0;	332	return mg ? (aio_req)mg->mg_ptr : 0;
175	}	333	}
176		334
		335	static aio_wd
		336	SvAIO_WD (SV *sv)
		337	{
		338	if (!SvROK (sv)
		339	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		340	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		341	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		342
		343	return (aio_wd)(long)SvIVX (SvRV (sv));
		344	}
		345
		346	static SV *
		347	newmortalFH (int fd, int flags)
		348	{
		349	if (fd < 0)
		350	return &PL_sv_undef;
		351
		352	GV *gv = (GV *)sv_newmortal ();
		353	char sym[64];
		354	int symlen;
		355
		356	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		357	gv_init (gv, aio_stash, sym, symlen, 0);
		358
		359	symlen = snprintf (
		360	sym,
		361	sizeof (sym),
		362	"%s&=%d",
		363	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		364	fd
		365	);
		366
		367	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		368	? (SV *)gv : &PL_sv_undef;
		369	}
		370
		371	static void
177	static void aio_grp_feed (aio_req grp)	372	aio_grp_feed (aio_req grp)
178	{	373	{
179	if (grp->sv2 && SvOK (grp->sv2))	374	if (grp->sv2 && SvOK (grp->sv2))
180	{	375	{
181	dSP;	376	dSP;
182		377
183	ENTER;	378	ENTER;
184	SAVETMPS;	379	SAVETMPS;
185	PUSHMARK (SP);	380	PUSHMARK (SP);
186	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	381	XPUSHs (req_sv (grp, aio_grp_stash));
187	PUTBACK;	382	PUTBACK;
188	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	383	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
189	SPAGAIN;	384	SPAGAIN;
190	FREETMPS;	385	FREETMPS;
191	LEAVE;	386	LEAVE;
192	}	387	}
193	}	388	}
194		389
		390	static void
195	static void req_submit (eio_req *req)	391	req_submit (eio_req *req)
196	{	392	{
197	eio_submit (req);	393	eio_submit (req);
198		394
199	if (expect_false (on_next_submit))	395	if (expect_false (on_next_submit))
200	{	396	{
…		…
207	PUTBACK;	403	PUTBACK;
208	call_sv (cb, G_DISCARD | G_EVAL);	404	call_sv (cb, G_DISCARD | G_EVAL);
209	}	405	}
210	}	406	}
211		407
		408	static int
212	static int req_invoke (eio_req *req)	409	req_invoke (eio_req *req)
213	{	410	{
214	dSP;
215
216	if (req->flags & FLAG_SV2_RO_OFF)	411	if (req->flags & FLAG_SV2_RO_OFF)
217	SvREADONLY_off (req->sv2);	412	SvREADONLY_off (req->sv2);
218		413
219	if (!EIO_CANCELLED (req) && req->callback)	414	if (!EIO_CANCELLED (req) && req->callback)
220	{	415	{
		416	dSP;
		417	static SV *sv_result_cache; /* caches the result integer SV */
		418	SV *sv_result;
		419
221	ENTER;	420	ENTER;
222	SAVETMPS;	421	SAVETMPS;
223	PUSHMARK (SP);	422	PUSHMARK (SP);
224	EXTEND (SP, 1);	423	EXTEND (SP, 1);
225		424
		425	/* do not recreate the result IV from scratch each time */
		426	if (expect_true (sv_result_cache))
		427	{
		428	sv_result = sv_result_cache; sv_result_cache = 0;
		429	SvIV_set (sv_result, req->result);
		430	SvIOK_only (sv_result);
		431	}
		432	else
		433	{
		434	sv_result = newSViv (req->result);
		435	SvREADONLY_on (sv_result);
		436	}
		437
226	switch (req->type)	438	switch (req->type)
227	{	439	{
		440	case EIO_WD_OPEN:
		441	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		442	break;
		443
228	case EIO_READDIR:	444	case EIO_READDIR:
229	{	445	{
230	SV *rv = &PL_sv_undef;	446	SV *rv = &PL_sv_undef;
231		447
232	if (req->result >= 0)	448	if (req->result >= 0)
233	{	449	{
234	int i;	450	int i;
235	char *buf = req->ptr2;	451	char *names = (char *)req->ptr2;
		452	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
236	AV *av = newAV ();	453	AV *av = newAV ();
237		454
238	av_extend (av, req->result - 1);	455	av_extend (av, req->result - 1);
239		456
240	for (i = 0; i < req->result; ++i)	457	for (i = 0; i < req->result; ++i)
241	{	458	{
242	SV *sv = newSVpv (buf, 0);	459	if (req->int1 & EIO_READDIR_DENTS)
		460	{
		461	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
243		462
		463	if (req->int1 & EIO_READDIR_CUSTOM2)
		464	{
		465	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		466	AV *avent = newAV ();
		467
		468	av_extend (avent, 2);
		469
		470	if (!sv_type [ent->type])
		471	{
		472	sv_type [ent->type] = newSViv (ent->type);
		473	SvREADONLY_on (sv_type [ent->type]);
		474	}
		475
		476	av_store (avent, 0, namesv);
		477	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		478	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		479
		480	av_store (av, i, newRV_noinc ((SV *)avent));
		481	}
		482	else
244	av_store (av, i, sv);	483	av_store (av, i, namesv);
		484
		485	++ent;
		486	}
		487	else
		488	{
		489	SV *name = newSVpv (names, 0);
		490	av_store (av, i, name);
245	buf += SvCUR (sv) + 1;	491	names += SvCUR (name) + 1;
		492	}
246	}	493	}
247		494
248	rv = sv_2mortal (newRV_noinc ((SV *)av));	495	rv = sv_2mortal (newRV_noinc ((SV *)av));
249	}	496	}
250		497
251	PUSHs (rv);	498	PUSHs (rv);
		499
		500	if (req->int1 & EIO_READDIR_CUSTOM1)
		501	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
252	}	502	}
253	break;	503	break;
254		504
255	case EIO_OPEN:	505	case EIO_OPEN:
		506	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
		507	break;
		508
		509	case EIO_STATVFS:
		510	case EIO_FSTATVFS:
256	{	511	{
257	/* convert fd to fh */
258	SV *fh = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
259		513
		514	#ifndef _WIN32
260	if (req->result >= 0)	515	if (req->result >= 0)
261	{	516	{
		517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
262	GV *gv = (GV *)sv_newmortal ();	518	HV *hv = newHV ();
263	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
264	char sym [64];	520	* chooses to make it a struct.
265	int symlen;
266		521	*/
267	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	522	unsigned long fsid = 0;
268	gv_init (gv, stash, sym, symlen, 0);	523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
269		524
270	symlen = snprintf (	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
271	sym,
272	sizeof (sym),
273	"%s&=%d",
274	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
275	req->result
276	);
277		526
278	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
279	fh = (SV *)gv;	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		529	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
		536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
280	}	538	}
		539	#endif
281		540
282	PUSHs (fh);	541	PUSHs (rv);
283	}	542	}
		543
284	break;	544	break;
285		545
286	case EIO_GROUP:	546	case EIO_GROUP:
287	req->int1 = 2; /* mark group as finished */	547	req->int1 = 2; /* mark group as finished */
288		548
…		…
300	case EIO_NOP:	560	case EIO_NOP:
301	case EIO_BUSY:	561	case EIO_BUSY:
302	break;	562	break;
303		563
304	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
305	if (req->result > 0)	566	if (req->result > 0)
306	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
307	break;	568	break;
308		569
309	case EIO_STAT:	570	case EIO_STAT:
310	case EIO_LSTAT:	571	case EIO_LSTAT:
311	case EIO_FSTAT:	572	case EIO_FSTAT:
312	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
313	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
314	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
315	PUSHs (sv_2mortal (newSViv (req->result)));	578
		579	PUSHs (sv_result);
316	break;	580	break;
317		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
		584	break;
		585
318	case EIO_READ:	586	case EIO_READ:
		587	{
319	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));
320	*SvEND (req->sv2) = 0;	589	*SvEND (req->sv2) = 0;
321	PUSHs (sv_2mortal (newSViv (req->result)));	590	SvPOK_only (req->sv2);
		591	SvSETMAGIC (req->sv2);
		592	PUSHs (sv_result);
		593	}
322	break;	594	break;
323		595
324	case EIO_DUP2:	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
		636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
325	if (req->result > 0)	637	if (req->result > 0)
326	req->result = 0;	638	SvIV_set (sv_result, 0);
327	/* FALLTHROUGH */	639	/* FALLTHROUGH */
328		640
329	default:	641	default:
330	PUSHs (sv_2mortal (newSViv (req->result)));	642	PUSHs (sv_result);
331	break;	643	break;
332	}	644	}
333		645
334	errno = req->errorno;	646	errno = req->errorno;
335		647
336	PUTBACK;	648	PUTBACK;
337	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	649	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
338	SPAGAIN;	650	SPAGAIN;
339		651
		652	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		653	SvREFCNT_dec (sv_result);
		654	else
		655	sv_result_cache = sv_result;
		656
340	FREETMPS;	657	FREETMPS;
341	LEAVE;	658	LEAVE;
342		659
343	PUTBACK;	660	PUTBACK;
344	}	661	}
345		662
346	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
347	}	664	}
348		665
		666	static void
349	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
350	{	668	{
351	if (req->self)	669	if (req->self)
352	{	670	{
353	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
354	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
355	}	673	}
356		674
357	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
358	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
359	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
360		680
361	Safefree (req);	681	free (req);
362	}	682	}
363		683
		684	static void
364	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
365	{	686	{
366	aio_req sub;
367
368	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
369	return;	688	return;
370		689
371	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
372	grp->sv2 = 0;	691	grp->sv2 = 0;
373		692
374	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
375	}	694	}
376		695
377	#ifdef USE_SOCKETS_AS_HANDLES	696	static void ecb_cold
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))	697	create_respipe (void)
379	#else	698	{
380	# define TO_SOCKET(x) (x)	699	if (s_epipe_renew (&respipe))
381	#endif	700	croak ("IO::AIO: unable to initialize result pipe");
		701	}
382		702
383	static void	703	static void
384	create_respipe (void)	704	poll_wait (void)
385	{	705	{
386	int old_readfd = respipe [0];
387
388	if (respipe [1] >= 0)
389	respipe_close (TO_SOCKET (respipe [1]));
390
391	#ifdef _WIN32
392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393	#else
394	if (pipe (respipe))
395	#endif
396	croak ("unable to initialize result pipe");
397
398	if (old_readfd >= 0)
399	{
400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401	croak ("unable to initialize result pipe(2)");
402
403	respipe_close (respipe [0]);
404	respipe [0] = old_readfd;
405	}
406
407	#ifdef _WIN32
408	int arg = 1;
409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411	#else
412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
414	#endif
415	croak ("unable to initialize result pipe(3)");
416
417	respipe_osf [0] = TO_SOCKET (respipe [0]);
418	respipe_osf [1] = TO_SOCKET (respipe [1]);
419	}
420
421	static void poll_wait (void)
422	{
423	fd_set rfd;
424
425	while (eio_nreqs ())	706	while (eio_nreqs ())
426	{	707	{
427	int size;	708	int size;
428		709
429	X_LOCK (reslock);	710	X_LOCK (EIO_POOL->reslock);
430	size = res_queue.size;	711	size = EIO_POOL->res_queue.size;
431	X_UNLOCK (reslock);	712	X_UNLOCK (EIO_POOL->reslock);
432		713
433	if (size)	714	if (size)
434	return;	715	return;
435		716
436	etp_maybe_start_thread ();	717	etp_maybe_start_thread (EIO_POOL);
437		718
438	FD_ZERO (&rfd);	719	s_epipe_wait (&respipe);
439	FD_SET (respipe [0], &rfd);
440
441	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
442	}	720	}
443	}	721	}
444		722
445	static int poll_cb (void)	723	static int
		724	poll_cb (void)
446	{	725	{
447	for (;;)	726	for (;;)
448	{	727	{
449	int res = eio_poll ();	728	int res = eio_poll ();
450		729
…		…
456		735
457	poll_wait ();	736	poll_wait ();
458	}	737	}
459	}	738	}
460		739
461	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
462	{	742	{
463	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
464	}	747	}
		748
		749	/*****************************************************************************/
		750
		751	#if !_POSIX_MAPPED_FILES
		752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		753	# define munmap(addr,length) EIO_ENOSYS ()
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		758	#endif
		759
		760	#define MMAP_MAGIC PERL_MAGIC_ext
		761
		762	static int ecb_cold
		763	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		764	{
		765	int old_errno = errno;
		766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		767	errno = old_errno;
		768
		769	mg->mg_obj = 0; /* just in case */
		770
		771	SvREADONLY_off (sv);
		772
		773	if (SvPVX (sv) != mg->mg_ptr)
		774	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		775
		776	SvCUR_set (sv, 0);
		777	SvPVX (sv) = 0;
		778	SvOK_off (sv);
		779
		780	return 0;
		781	}
		782
		783	static MGVTBL mmap_vtbl = {
		784	0, 0, 0, 0, mmap_free
		785	};
		786
		787	/*****************************************************************************/
465		788
466	static SV *	789	static SV *
467	get_cb (SV *cb_sv)	790	get_cb (SV *cb_sv)
468	{	791	{
469	HV *st;	792	SvGETMAGIC (cb_sv);
470	GV *gvp;	793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		794	}
		795
		796	static aio_req ecb_noinline
		797	dreq (SV *callback)
		798	{
471	CV *cv;	799	SV *cb_cv;
		800	aio_req req;
		801	int req_pri = next_pri;
		802	next_pri = EIO_PRI_DEFAULT;
472		803
473	if (!SvOK (cb_sv))	804	cb_cv = get_cb (callback);
		805
		806	req = calloc (sizeof (*req), 1);
		807	if (!req)
		808	croak ("out of memory during eio_req allocation");
		809
		810	req->callback = SvREFCNT_inc (cb_cv);
		811	req->pri = req_pri;
		812
474	return 0;	813	return req;
475
476	cv = sv_2cv (cb_sv, &st, &gvp, 0);
477
478	if (!cv)
479	croak ("IO::AIO callback must be undef or a CODE reference");
480
481	return (SV *)cv;
482	}	814	}
483		815
484	#define dREQ \	816	#define dREQ \
485	SV *cb_cv; \	817	aio_req req = dreq (callback); \
486	aio_req req; \
487	int req_pri = next_pri; \
488	next_pri = EIO_PRI_DEFAULT; \
489	\
490	cb_cv = get_cb (callback); \
491	\
492	Newz (0, req, 1, eio_req); \
493	if (!req) \
494	croak ("out of memory during eio_req allocation"); \
495	\
496	req->callback = SvREFCNT_inc (cb_cv); \
497	req->pri = req_pri
498		818
499	#define REQ_SEND \	819	#define REQ_SEND \
500	PUTBACK; \	820	PUTBACK; \
501	req_submit (req); \	821	req_submit (req); \
502	SPAGAIN; \	822	SPAGAIN; \
503	\	823	\
504	if (GIMME_V != G_VOID) \	824	if (GIMME_V != G_VOID) \
505	XPUSHs (req_sv (req, AIO_REQ_KLASS));	825	XPUSHs (req_sv (req, aio_req_stash));
506		826
		827	ecb_inline void
		828	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		829	{
		830	if (expect_false (SvROK (path)))
		831	{
		832	SV *rv = SvRV (path);
		833	SV *wdob;
		834
		835	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		836	{
		837	path = AvARRAY (rv)[1];
		838	wdob = AvARRAY (rv)[0];
		839
		840	if (SvOK (wdob))
		841	{
		842	*wd = SvAIO_WD (wdob);
		843	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		844	}
		845	else
		846	*wd = EIO_INVALID_WD;
		847	}
		848	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		849	{
		850	*wd = (aio_wd)(long)SvIVX (rv);
		851	*wdsv = SvREFCNT_inc_NN (rv);
		852	*ptr = ".";
		853	return; /* path set to "." */
		854	}
		855	else
		856	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		857	}
		858
		859	*pathsv = newSVsv (path);
		860	*ptr = SvPVbyte_nolen (*pathsv);
		861	}
		862
		863	static void ecb_noinline
		864	req_set_path1 (aio_req req, SV *path)
		865	{
		866	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		867	}
		868
		869	static void ecb_noinline
		870	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		871	{
		872	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		873
		874	switch (SvTYPE (rv))
		875	{
		876	case SVt_PVIO:
		877	case SVt_PVLV:
		878	case SVt_PVGV:
		879	req->type = type_fh;
		880	req->sv1 = newSVsv (fh_or_path);
		881	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		882	break;
		883
		884	default:
		885	req->type = type_path;
		886	req_set_path1 (req, fh_or_path);
		887	break;
		888	}
		889	}
		890
		891	XS(boot_IO__AIO) ecb_cold;
		892
507	MODULE = IO::AIO PACKAGE = IO::AIO	893	MODULE = IO::AIO PACKAGE = IO::AIO
508		894
509	PROTOTYPES: ENABLE	895	PROTOTYPES: ENABLE
510		896
511	BOOT:	897	BOOT:
512	{	898	{
		899	static const struct {
		900	const char *name;
		901	IV iv;
		902	} *civ, const_iv[] = {
		903	# define const_niv(name, value) { # name, (IV) value },
		904	# define const_iv(name) { # name, (IV) name },
		905	# define const_eio(name) { # name, (IV) EIO_ ## name },
		906
		907	/* you have to re-run ./gendef0 after adding/removing any constants here */
		908	/* the first block can be undef if missing */
		909	const_iv (ENOSYS)
		910	const_iv (EXDEV)
		911	const_iv (EBADR)
		912
		913	/* for lseek */
		914	const_iv (SEEK_DATA)
		915	const_iv (SEEK_HOLE)
		916
		917	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		918	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		919	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		920	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		921	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		922	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		923
		924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		929	const_niv (MADV_FREE , POSIX_MADV_FREE)
		930
		931	/* the second block will be 0 when missing */
		932	const_iv (O_RDONLY)
		933	const_iv (O_WRONLY)
		934	const_iv (O_RDWR)
		935	const_iv (O_CREAT)
		936	const_iv (O_TRUNC)
		937	const_iv (O_EXCL)
		938	const_iv (O_APPEND)
		939
		940	const_iv (O_ASYNC)
		941	const_iv (O_DIRECT)
		942	const_iv (O_NOATIME)
		943
		944	const_iv (O_CLOEXEC)
		945	const_iv (O_NOCTTY)
		946	const_iv (O_NOFOLLOW)
		947	const_iv (O_NONBLOCK)
		948	const_iv (O_EXEC)
		949	const_iv (O_SEARCH)
		950	const_iv (O_DIRECTORY)
		951	const_iv (O_DSYNC)
		952	const_iv (O_RSYNC)
		953	const_iv (O_SYNC)
		954	const_iv (O_PATH)
		955	const_iv (O_TMPFILE)
		956	const_iv (O_TTY_INIT)
		957
		958	const_iv (S_IFIFO)
		959	const_iv (S_IFCHR)
		960	const_iv (S_IFBLK)
		961	const_iv (S_IFLNK)
		962	const_iv (S_IFREG)
		963	const_iv (S_IFDIR)
		964	const_iv (S_IFWHT)
		965	const_iv (S_IFSOCK)
		966	const_iv (S_IFMT)
		967
		968	const_iv (ST_RDONLY)
		969	const_iv (ST_NOSUID)
		970	const_iv (ST_NODEV)
		971	const_iv (ST_NOEXEC)
		972	const_iv (ST_SYNCHRONOUS)
		973	const_iv (ST_MANDLOCK)
		974	const_iv (ST_WRITE)
		975	const_iv (ST_APPEND)
		976	const_iv (ST_IMMUTABLE)
		977	const_iv (ST_NOATIME)
		978	const_iv (ST_NODIRATIME)
		979	const_iv (ST_RELATIME)
		980
		981	const_iv (PROT_NONE)
		982	const_iv (PROT_EXEC)
		983	const_iv (PROT_READ)
		984	const_iv (PROT_WRITE)
		985
		986	const_iv (MAP_PRIVATE)
		987	const_iv (MAP_SHARED)
		988	const_iv (MAP_FIXED)
		989	const_iv (MAP_ANONYMOUS)
		990
		991	/* linuxish */
		992	const_iv (MAP_LOCKED)
		993	const_iv (MAP_NORESERVE)
		994	const_iv (MAP_POPULATE)
		995	const_iv (MAP_NONBLOCK)
		996	const_iv (MAP_GROWSDOWN)
		997	const_iv (MAP_32BIT)
		998	const_iv (MAP_HUGETLB)
		999	const_iv (MAP_STACK)
		1000
		1001	const_iv (FIFREEZE)
		1002	const_iv (FITHAW)
		1003	const_iv (FITRIM)
		1004	const_iv (FICLONE)
		1005	const_iv (FICLONERANGE)
		1006	const_iv (FIDEDUPERANGE)
		1007
		1008	const_iv (FS_IOC_GETFLAGS)
		1009	const_iv (FS_IOC_SETFLAGS)
		1010	const_iv (FS_IOC_GETVERSION)
		1011	const_iv (FS_IOC_SETVERSION)
		1012	const_iv (FS_IOC_FIEMAP)
		1013	const_iv (FS_IOC_FSGETXATTR)
		1014	const_iv (FS_IOC_FSSETXATTR)
		1015	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1016	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1017	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1018
		1019	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1020
		1021	const_iv (FS_SECRM_FL)
		1022	const_iv (FS_UNRM_FL)
		1023	const_iv (FS_COMPR_FL)
		1024	const_iv (FS_SYNC_FL)
		1025	const_iv (FS_IMMUTABLE_FL)
		1026	const_iv (FS_APPEND_FL)
		1027	const_iv (FS_NODUMP_FL)
		1028	const_iv (FS_NOATIME_FL)
		1029	const_iv (FS_DIRTY_FL)
		1030	const_iv (FS_COMPRBLK_FL)
		1031	const_iv (FS_NOCOMP_FL)
		1032	const_iv (FS_ENCRYPT_FL)
		1033	const_iv (FS_BTREE_FL)
		1034	const_iv (FS_INDEX_FL)
		1035	const_iv (FS_JOURNAL_DATA_FL)
		1036	const_iv (FS_NOTAIL_FL)
		1037	const_iv (FS_DIRSYNC_FL)
		1038	const_iv (FS_TOPDIR_FL)
		1039	const_iv (FS_FL_USER_MODIFIABLE)
		1040
		1041	const_iv (FS_XFLAG_REALTIME)
		1042	const_iv (FS_XFLAG_PREALLOC)
		1043	const_iv (FS_XFLAG_IMMUTABLE)
		1044	const_iv (FS_XFLAG_APPEND)
		1045	const_iv (FS_XFLAG_SYNC)
		1046	const_iv (FS_XFLAG_NOATIME)
		1047	const_iv (FS_XFLAG_NODUMP)
		1048	const_iv (FS_XFLAG_RTINHERIT)
		1049	const_iv (FS_XFLAG_PROJINHERIT)
		1050	const_iv (FS_XFLAG_NOSYMLINKS)
		1051	const_iv (FS_XFLAG_EXTSIZE)
		1052	const_iv (FS_XFLAG_EXTSZINHERIT)
		1053	const_iv (FS_XFLAG_NODEFRAG)
		1054	const_iv (FS_XFLAG_FILESTREAM)
		1055	const_iv (FS_XFLAG_DAX)
		1056	const_iv (FS_XFLAG_HASATTR)
		1057
		1058	const_iv (FIEMAP_FLAG_SYNC)
		1059	const_iv (FIEMAP_FLAG_XATTR)
		1060	const_iv (FIEMAP_FLAGS_COMPAT)
		1061	const_iv (FIEMAP_EXTENT_LAST)
		1062	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1063	const_iv (FIEMAP_EXTENT_DELALLOC)
		1064	const_iv (FIEMAP_EXTENT_ENCODED)
		1065	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1066	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1067	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1068	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1069	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1070	const_iv (FIEMAP_EXTENT_MERGED)
		1071	const_iv (FIEMAP_EXTENT_SHARED)
		1072
		1073	const_iv (SPLICE_F_MOVE)
		1074	const_iv (SPLICE_F_NONBLOCK)
		1075	const_iv (SPLICE_F_MORE)
		1076	const_iv (SPLICE_F_GIFT)
		1077
		1078	/* these are libeio constants, and are independent of gendef0 */
		1079	const_eio (SEEK_SET)
		1080	const_eio (SEEK_CUR)
		1081	const_eio (SEEK_END)
		1082
		1083	const_eio (MCL_FUTURE)
		1084	const_eio (MCL_CURRENT)
		1085
		1086	const_eio (MS_ASYNC)
		1087	const_eio (MS_INVALIDATE)
		1088	const_eio (MS_SYNC)
		1089
		1090	const_eio (MT_MODIFY)
		1091
		1092	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		1093	const_eio (SYNC_FILE_RANGE_WRITE)
		1094	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1095
		1096	const_eio (FALLOC_FL_KEEP_SIZE)
		1097	const_eio (FALLOC_FL_PUNCH_HOLE)
		1098	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1099	const_eio (FALLOC_FL_ZERO_RANGE)
		1100
		1101	const_eio (READDIR_DENTS)
		1102	const_eio (READDIR_DIRS_FIRST)
		1103	const_eio (READDIR_STAT_ORDER)
		1104	const_eio (READDIR_FOUND_UNKNOWN)
		1105
		1106	const_eio (DT_UNKNOWN)
		1107	const_eio (DT_FIFO)
		1108	const_eio (DT_CHR)
		1109	const_eio (DT_DIR)
		1110	const_eio (DT_BLK)
		1111	const_eio (DT_REG)
		1112	const_eio (DT_LNK)
		1113	const_eio (DT_SOCK)
		1114	const_eio (DT_WHT)
		1115	};
		1116
513	stash = gv_stashpv ("IO::AIO", 1);	1117	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1118	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1119	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1120	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
514		1121
515	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1122	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
516	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1123	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
517	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
518	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
519	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
520	#ifndef _WIN32
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
522	#endif
523		1124
524	create_respipe ();	1125	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
525		1126
526	if (eio_init (want_poll, done_poll) < 0)	1127	reinit ();
527	croak ("IO::AIO: unable to initialise eio library");
528
529	/* atfork child called in fifo order, so before eio's handler */
530	X_THREAD_ATFORK (0, 0, atfork_child);
531	}	1128	}
532		1129
533	void	1130	void
		1131	reinit ()
		1132	PROTOTYPE:
		1133
		1134	void
534	max_poll_reqs (int nreqs)	1135	max_poll_reqs (unsigned int nreqs)
535	PROTOTYPE: $	1136	PROTOTYPE: $
536	CODE:	1137	CODE:
537	eio_set_max_poll_reqs (nreqs);	1138	eio_set_max_poll_reqs (nreqs);
538		1139
539	void	1140	void
…		…
541	PROTOTYPE: $	1142	PROTOTYPE: $
542	CODE:	1143	CODE:
543	eio_set_max_poll_time (nseconds);	1144	eio_set_max_poll_time (nseconds);
544		1145
545	void	1146	void
546	min_parallel (int nthreads)	1147	min_parallel (unsigned int nthreads)
547	PROTOTYPE: $	1148	PROTOTYPE: $
548	CODE:	1149	CODE:
549	eio_set_min_parallel (nthreads);	1150	eio_set_min_parallel (nthreads);
550		1151
551	void	1152	void
552	max_parallel (int nthreads)	1153	max_parallel (unsigned int nthreads)
553	PROTOTYPE: $	1154	PROTOTYPE: $
554	CODE:	1155	CODE:
555	eio_set_max_parallel (nthreads);	1156	eio_set_max_parallel (nthreads);
556		1157
557	void	1158	void
558	max_idle (int nthreads)	1159	max_idle (unsigned int nthreads)
559	PROTOTYPE: $	1160	PROTOTYPE: $
560	CODE:	1161	CODE:
561	eio_set_max_idle (nthreads);	1162	eio_set_max_idle (nthreads);
562		1163
563	void	1164	void
		1165	idle_timeout (unsigned int seconds)
		1166	PROTOTYPE: $
		1167	CODE:
		1168	eio_set_idle_timeout (seconds);
		1169
		1170	void
564	max_outstanding (int maxreqs)	1171	max_outstanding (unsigned int maxreqs)
565	PROTOTYPE: $	1172	PROTOTYPE: $
566	CODE:	1173	CODE:
567	max_outstanding = maxreqs;	1174	max_outstanding = maxreqs;
568		1175
569	void	1176	void
570	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1177	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
571	PROTOTYPE: $$$;$
572	PPCODE:	1178	PPCODE:
573	{	1179	{
574	dREQ;	1180	dREQ;
575		1181
		1182	req->type = EIO_WD_OPEN;
		1183	req_set_path1 (req, pathname);
		1184
		1185	REQ_SEND;
		1186	}
		1187
		1188	void
		1189	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1190	PPCODE:
		1191	{
		1192	dREQ;
		1193
576	req->type = EIO_OPEN;	1194	req->type = EIO_OPEN;
577	req->sv1 = newSVsv (pathname);	1195	req_set_path1 (req, pathname);
578	req->ptr1 = SvPVbyte_nolen (req->sv1);
579	req->int1 = flags;	1196	req->int1 = flags;
580	req->int2 = mode;	1197	req->int2 = mode;
581		1198
582	REQ_SEND;	1199	REQ_SEND;
583	}	1200	}
584		1201
585	void	1202	void
586	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1203	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
587	PROTOTYPE: $;$
588	ALIAS:	1204	ALIAS:
589	aio_fsync = EIO_FSYNC	1205	aio_fsync = EIO_FSYNC
590	aio_fdatasync = EIO_FDATASYNC	1206	aio_fdatasync = EIO_FDATASYNC
		1207	aio_syncfs = EIO_SYNCFS
591	PPCODE:	1208	PPCODE:
592	{	1209	{
		1210	int fd = s_fileno_croak (fh, 0);
593	dREQ;	1211	dREQ;
594		1212
595	req->type = ix;	1213	req->type = ix;
596	req->sv1 = newSVsv (fh);	1214	req->sv1 = newSVsv (fh);
597	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1215	req->int1 = fd;
598		1216
599	REQ_SEND (req);	1217	REQ_SEND;
600	}	1218	}
601		1219
602	void	1220	void
603	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1221	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
604	PROTOTYPE: $;$
605	PPCODE:	1222	PPCODE:
606	{	1223	{
607	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1224	int fd = s_fileno_croak (fh, 0);
608	dREQ;	1225	dREQ;
609		1226
610	if (close_pipe < 0)	1227	req->type = EIO_SYNC_FILE_RANGE;
		1228	req->sv1 = newSVsv (fh);
		1229	req->int1 = fd;
		1230	req->offs = offset;
		1231	req->size = nbytes;
		1232	req->int2 = flags;
		1233
		1234	REQ_SEND;
		1235	}
		1236
		1237	void
		1238	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
		1239	PPCODE:
		1240	{
		1241	int fd = s_fileno_croak (fh, 0);
		1242	dREQ;
		1243
		1244	req->type = EIO_FALLOCATE;
		1245	req->sv1 = newSVsv (fh);
		1246	req->int1 = fd;
		1247	req->int2 = mode;
		1248	req->offs = offset;
		1249	req->size = len;
		1250
		1251	REQ_SEND;
		1252	}
		1253
		1254	void
		1255	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1256	PPCODE:
		1257	{
		1258	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1259	int fd = s_fileno_croak (fh, 0);
		1260	dREQ;
		1261
		1262	if (expect_false (close_fd < 0))
611	{	1263	{
612	int pipefd [2];	1264	int pipefd [2];
613		1265
		1266	if (
		1267	#ifdef _WIN32
		1268	_pipe (pipefd, 1, _O_BINARY) < 0
		1269	#else
614	if (pipe (pipefd) < 0	1270	pipe (pipefd) < 0
615	|| close (pipefd [1]) < 0
616	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1271	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1272	#endif
		1273	|| close (pipefd [1]) < 0
		1274	)
617	abort (); /*D*/	1275	abort (); /*D*/
618		1276
619	close_pipe = pipefd [0];	1277	close_fd = pipefd [0];
620	}	1278	}
621		1279
622	req->type = EIO_DUP2;	1280	req->type = EIO_DUP2;
623	req->int1 = close_pipe;	1281	req->int1 = close_fd;
624	req->sv2 = newSVsv (fh);	1282	req->sv2 = newSVsv (fh);
625	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1283	req->int2 = fd;
626		1284
627	REQ_SEND (req);	1285	REQ_SEND;
628	}	1286	}
629		1287
630	void	1288	void
		1289	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1290	PPCODE:
		1291	{
		1292	int fd = s_fileno_croak (fh, 0);
		1293	dREQ;
		1294
		1295	req->type = EIO_SEEK;
		1296	req->sv1 = newSVsv (fh);
		1297	req->int1 = fd;
		1298	req->offs = SvVAL64 (offset);
		1299	req->int2 = whence;
		1300
		1301	REQ_SEND;
		1302	}
		1303
		1304	void
631	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1305	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
632	ALIAS:	1306	ALIAS:
633	aio_read = EIO_READ	1307	aio_read = EIO_READ
634	aio_write = EIO_WRITE	1308	aio_write = EIO_WRITE
635	PROTOTYPE: $$$$$;$
636	PPCODE:	1309	PPCODE:
637	{	1310	{
638	STRLEN svlen;	1311	STRLEN svlen;
		1312	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
639	char *svptr = SvPVbyte (data, svlen);	1313	char *svptr = SvPVbyte (data, svlen);
640	UV len = SvUV (length);	1314	UV len = SvUV (length);
641
642	SvUPGRADE (data, SVt_PV);
643	SvPOK_on (data);
644		1315
645	if (dataoffset < 0)	1316	if (dataoffset < 0)
646	dataoffset += svlen;	1317	dataoffset += svlen;
647		1318
648	if (dataoffset < 0 || dataoffset > svlen)	1319	if (dataoffset < 0 || dataoffset > svlen)
…		…
654	if (!SvOK (length) || len + dataoffset > svlen)	1325	if (!SvOK (length) || len + dataoffset > svlen)
655	len = svlen - dataoffset;	1326	len = svlen - dataoffset;
656	}	1327	}
657	else	1328	else
658	{	1329	{
659	/* read: grow scalar as necessary */	1330	/* read: check type and grow scalar as necessary */
		1331	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
660	svptr = SvGROW (data, len + dataoffset + 1);	1332	svptr = sv_grow (data, len + dataoffset + 1);
		1333	else if (SvCUR (data) < len + dataoffset)
		1334	croak ("length + dataoffset outside of scalar, and cannot grow");
661	}	1335	}
662
663	if (len < 0)
664	croak ("length must not be negative");
665		1336
666	{	1337	{
667	dREQ;	1338	dREQ;
668		1339
669	req->type = ix;	1340	req->type = ix;
670	req->sv1 = newSVsv (fh);	1341	req->sv1 = newSVsv (fh);
671	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1342	req->int1 = fd;
672	: IoOFP (sv_2io (fh)));
673	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1343	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
674	req->size = len;	1344	req->size = len;
675	req->sv2 = SvREFCNT_inc (data);	1345	req->sv2 = SvREFCNT_inc (data);
676	req->ptr2 = (char *)svptr + dataoffset;	1346	req->ptr2 = (char *)svptr + dataoffset;
677	req->stroffset = dataoffset;	1347	req->stroffset = dataoffset;
…		…
685	REQ_SEND;	1355	REQ_SEND;
686	}	1356	}
687	}	1357	}
688		1358
689	void	1359	void
690	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1360	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
691	PROTOTYPE: $$;$	1361	ALIAS:
		1362	aio_ioctl = EIO_IOCTL
		1363	aio_fcntl = EIO_FCNTL
692	PPCODE:	1364	PPCODE:
693	{	1365	{
694	SV *data;	1366	int fd = s_fileno_croak (fh, 0);
		1367	char *svptr;
		1368
		1369	if (SvPOK (arg) || !SvNIOK (arg))
		1370	{
		1371	STRLEN svlen;
		1372	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1373	#ifdef IOCPARM_LEN
		1374	STRLEN need = IOCPARM_LEN (request);
		1375	#else
		1376	STRLEN need = 256;
		1377	#endif
		1378
		1379	if (svlen < need)
		1380	svptr = SvGROW (arg, need);
		1381	}
		1382	else
		1383	svptr = (char *)SvIV (arg);
		1384
		1385	{
		1386	dREQ;
		1387
		1388	req->type = ix;
		1389	req->sv1 = newSVsv (fh);
		1390	req->int1 = fd;
		1391	req->int2 = (long)request;
		1392	req->sv2 = SvREFCNT_inc (arg);
		1393	req->ptr2 = svptr;
		1394
		1395	REQ_SEND;
		1396	}
		1397	}
		1398
		1399	void
		1400	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1401	ALIAS:
		1402	aio_readlink = EIO_READLINK
		1403	aio_realpath = EIO_REALPATH
		1404	PPCODE:
		1405	{
695	dREQ;	1406	dREQ;
696		1407
697	req->type = EIO_READLINK;	1408	req->type = ix;
698	req->sv1 = newSVsv (path);	1409	req_set_path1 (req, pathname);
699	req->ptr1 = SvPVbyte_nolen (req->sv1);
700		1410
701	REQ_SEND;	1411	REQ_SEND;
702	}	1412	}
703		1413
704	void	1414	void
705	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1415	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
706	PROTOTYPE: $$$$;$
707	PPCODE:	1416	PPCODE:
708	{	1417	{
		1418	int ifd = s_fileno_croak (in_fh , 0);
		1419	int ofd = s_fileno_croak (out_fh, 1);
709	dREQ;	1420	dREQ;
710		1421
711	req->type = EIO_SENDFILE;	1422	req->type = EIO_SENDFILE;
712	req->sv1 = newSVsv (out_fh);	1423	req->sv1 = newSVsv (out_fh);
713	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1424	req->int1 = ofd;
714	req->sv2 = newSVsv (in_fh);	1425	req->sv2 = newSVsv (in_fh);
715	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1426	req->int2 = ifd;
716	req->offs = SvVAL64 (in_offset);	1427	req->offs = in_offset;
717	req->size = length;	1428	req->size = length;
718		1429
719	REQ_SEND;	1430	REQ_SEND;
720	}	1431	}
721		1432
722	void	1433	void
723	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1434	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
724	PROTOTYPE: $$$;$
725	PPCODE:	1435	PPCODE:
726	{	1436	{
		1437	int fd = s_fileno_croak (fh, 0);
727	dREQ;	1438	dREQ;
728		1439
729	req->type = EIO_READAHEAD;	1440	req->type = EIO_READAHEAD;
730	req->sv1 = newSVsv (fh);	1441	req->sv1 = newSVsv (fh);
731	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1442	req->int1 = fd;
732	req->offs = SvVAL64 (offset);	1443	req->offs = offset;
733	req->size = length;	1444	req->size = length;
734		1445
735	REQ_SEND;	1446	REQ_SEND;
736	}	1447	}
737		1448
738	void	1449	void
739	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1450	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
740	ALIAS:	1451	ALIAS:
741	aio_stat = EIO_STAT	1452	aio_stat = EIO_STAT
742	aio_lstat = EIO_LSTAT	1453	aio_lstat = EIO_LSTAT
		1454	aio_statvfs = EIO_STATVFS
743	PPCODE:	1455	PPCODE:
744	{	1456	{
745	dREQ;	1457	dREQ;
746		1458
747	req->sv1 = newSVsv (fh_or_path);	1459	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
748
749	if (SvPOK (req->sv1))
750	{
751	req->type = ix;
752	req->ptr1 = SvPVbyte_nolen (req->sv1);
753	}
754	else
755	{
756	req->type = EIO_FSTAT;
757	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
758	}
759		1460
760	REQ_SEND;	1461	REQ_SEND;
761	}	1462	}
762		1463
		1464	UV
		1465	major (UV dev)
		1466	ALIAS:
		1467	minor = 1
		1468	CODE:
		1469	RETVAL = ix ? minor (dev) : major (dev);
		1470	OUTPUT:
		1471	RETVAL
		1472
		1473	UV
		1474	makedev (UV maj, UV min)
		1475	CODE:
		1476	RETVAL = makedev (maj, min);
		1477	OUTPUT:
		1478	RETVAL
		1479
763	void	1480	void
764	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1481	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
765	PPCODE:	1482	PPCODE:
766	{	1483	{
767	dREQ;	1484	dREQ;
768		1485
769	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1486	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
770	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1487	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
771	req->sv1 = newSVsv (fh_or_path);	1488	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
772
773	if (SvPOK (req->sv1))
774	{
775	req->type = EIO_UTIME;
776	req->ptr1 = SvPVbyte_nolen (req->sv1);
777	}
778	else
779	{
780	req->type = EIO_FUTIME;
781	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
782	}
783		1489
784	REQ_SEND;	1490	REQ_SEND;
785	}	1491	}
786		1492
787	void	1493	void
788	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1494	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
789	PPCODE:	1495	PPCODE:
790	{	1496	{
791	dREQ;	1497	dREQ;
792		1498
793	req->sv1 = newSVsv (fh_or_path);
794	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1499	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
795		1500	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
796	if (SvPOK (req->sv1))
797	{
798	req->type = EIO_TRUNCATE;
799	req->ptr1 = SvPVbyte_nolen (req->sv1);
800	}
801	else
802	{
803	req->type = EIO_FTRUNCATE;
804	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
805	}
806		1501
807	REQ_SEND;	1502	REQ_SEND;
808	}	1503	}
809		1504
810	void	1505	void
811	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1506	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
812	ALIAS:
813	aio_chmod = EIO_CHMOD
814	aio_mkdir = EIO_MKDIR
815	PPCODE:	1507	PPCODE:
816	{	1508	{
817	dREQ;	1509	dREQ;
818		1510
819	req->int2 = mode;	1511	req->int2 = mode;
820	req->sv1 = newSVsv (fh_or_path);	1512	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
821
822	if (SvPOK (req->sv1))
823	{
824	req->type = ix;
825	req->ptr1 = SvPVbyte_nolen (req->sv1);
826	}
827	else
828	{
829	req->type = EIO_FCHMOD;
830	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
831	}
832		1513
833	REQ_SEND;	1514	REQ_SEND;
834	}	1515	}
835		1516
836	void	1517	void
837	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1518	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
838	PPCODE:	1519	PPCODE:
839	{	1520	{
840	dREQ;	1521	dREQ;
841		1522
842	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1523	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
843	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1524	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
844	req->sv1 = newSVsv (fh_or_path);	1525	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
845
846	if (SvPOK (req->sv1))
847	{
848	req->type = EIO_CHOWN;
849	req->ptr1 = SvPVbyte_nolen (req->sv1);
850	}
851	else
852	{
853	req->type = EIO_FCHOWN;
854	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
855	}
856		1526
857	REQ_SEND;	1527	REQ_SEND;
858	}	1528	}
859		1529
860	void	1530	void
		1531	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
		1532	PPCODE:
		1533	{
		1534	dREQ;
		1535
		1536	req->type = EIO_READDIR;
		1537	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1538
		1539	if (flags & EIO_READDIR_DENTS)
		1540	req->int1 |= EIO_READDIR_CUSTOM2;
		1541
		1542	req_set_path1 (req, pathname);
		1543
		1544	REQ_SEND;
		1545	}
		1546
		1547	void
		1548	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1549	PPCODE:
		1550	{
		1551	dREQ;
		1552
		1553	req->type = EIO_MKDIR;
		1554	req->int2 = mode;
		1555	req_set_path1 (req, pathname);
		1556
		1557	REQ_SEND;
		1558	}
		1559
		1560	void
861	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1561	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
862	ALIAS:	1562	ALIAS:
863	aio_unlink = EIO_UNLINK	1563	aio_unlink = EIO_UNLINK
864	aio_rmdir = EIO_RMDIR	1564	aio_rmdir = EIO_RMDIR
865	aio_readdir = EIO_READDIR	1565	aio_readdir = EIO_READDIR
866	PPCODE:	1566	PPCODE:
867	{	1567	{
868	dREQ;	1568	dREQ;
869		1569
870	req->type = ix;	1570	req->type = ix;
871	req->sv1 = newSVsv (pathname);	1571	req_set_path1 (req, pathname);
872	req->ptr1 = SvPVbyte_nolen (req->sv1);
873		1572
874	REQ_SEND;	1573	REQ_SEND;
875	}	1574	}
876		1575
877	void	1576	void
878	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1577	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
879	ALIAS:	1578	ALIAS:
880	aio_link = EIO_LINK	1579	aio_link = EIO_LINK
881	aio_symlink = EIO_SYMLINK	1580	aio_symlink = EIO_SYMLINK
882	aio_rename = EIO_RENAME	1581	aio_rename = EIO_RENAME
883	PPCODE:	1582	PPCODE:
884	{	1583	{
		1584	eio_wd wd2 = 0;
885	dREQ;	1585	dREQ;
886		1586
887	req->type = ix;	1587	req->type = ix;
888	req->sv1 = newSVsv (oldpath);	1588	req_set_path1 (req, oldpath);
889	req->ptr1 = SvPVbyte_nolen (req->sv1);	1589	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
890	req->sv2 = newSVsv (newpath);	1590	req->int3 = (long)wd2;
891	req->ptr2 = SvPVbyte_nolen (req->sv2);
892		1591
893	REQ_SEND;	1592	REQ_SEND;
894	}	1593	}
895		1594
896	void	1595	void
897	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1596	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
898	PPCODE:	1597	PPCODE:
899	{	1598	{
900	dREQ;	1599	dREQ;
901		1600
902	req->type = EIO_MKNOD;	1601	req->type = EIO_MKNOD;
903	req->sv1 = newSVsv (pathname);
904	req->ptr1 = SvPVbyte_nolen (req->sv1);
905	req->int2 = (mode_t)mode;	1602	req->int2 = (mode_t)mode;
906	req->offs = dev;	1603	req->offs = dev;
		1604	req_set_path1 (req, pathname);
907		1605
908	REQ_SEND;	1606	REQ_SEND;
909	}	1607	}
910		1608
911	void	1609	void
		1610	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
		1611	ALIAS:
		1612	aio_mtouch = EIO_MTOUCH
		1613	aio_msync = EIO_MSYNC
		1614	PPCODE:
		1615	{
		1616	STRLEN svlen;
		1617	char *svptr = SvPVbyte (data, svlen);
		1618	UV len = SvUV (length);
		1619
		1620	if (flags < 0)
		1621	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
		1622
		1623	if (offset < 0)
		1624	offset += svlen;
		1625
		1626	if (offset < 0 || offset > svlen)
		1627	croak ("offset outside of scalar");
		1628
		1629	if (!SvOK (length) || len + offset > svlen)
		1630	len = svlen - offset;
		1631
		1632	{
		1633	dREQ;
		1634
		1635	req->type = ix;
		1636	req->sv2 = SvREFCNT_inc (data);
		1637	req->ptr2 = (char *)svptr + offset;
		1638	req->size = len;
		1639	req->int1 = flags;
		1640
		1641	REQ_SEND;
		1642	}
		1643	}
		1644
		1645	void
		1646	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1647	PPCODE:
		1648	{
		1649	STRLEN svlen;
		1650	char *svptr = SvPVbyte (data, svlen);
		1651	UV len = SvUV (length);
		1652
		1653	if (offset < 0)
		1654	offset += svlen;
		1655
		1656	if (offset < 0 || offset > svlen)
		1657	croak ("offset outside of scalar");
		1658
		1659	if (!SvOK (length) || len + offset > svlen)
		1660	len = svlen - offset;
		1661
		1662	{
		1663	dREQ;
		1664
		1665	req->type = EIO_MLOCK;
		1666	req->sv2 = SvREFCNT_inc (data);
		1667	req->ptr2 = (char *)svptr + offset;
		1668	req->size = len;
		1669
		1670	REQ_SEND;
		1671	}
		1672	}
		1673
		1674	void
		1675	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1676	PPCODE:
		1677	{
		1678	dREQ;
		1679
		1680	req->type = EIO_MLOCKALL;
		1681	req->int1 = flags;
		1682
		1683	REQ_SEND;
		1684	}
		1685
		1686	void
		1687	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1688	PPCODE:
		1689	{
		1690	int fd = s_fileno_croak (fh, 0);
		1691	dREQ;
		1692
		1693	req->type = EIO_CUSTOM;
		1694	req->sv1 = newSVsv (fh);
		1695	req->int1 = fd;
		1696
		1697	req->feed = fiemap;
		1698	#if HAVE_FIEMAP
		1699	/* keep our fingers crossed that the next two types are 64 bit */
		1700	req->offs = start;
		1701	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1702	req->int2 = flags;
		1703	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1704	#endif
		1705
		1706	REQ_SEND;
		1707	}
		1708
		1709	void
912	aio_busy (double delay, SV *callback=&PL_sv_undef)	1710	aio_busy (double delay, SV *callback = &PL_sv_undef)
913	PPCODE:	1711	PPCODE:
914	{	1712	{
915	dREQ;	1713	dREQ;
916		1714
917	req->type = EIO_BUSY;	1715	req->type = EIO_BUSY;
…		…
919		1717
920	REQ_SEND;	1718	REQ_SEND;
921	}	1719	}
922		1720
923	void	1721	void
924	aio_group (SV *callback=&PL_sv_undef)	1722	aio_group (SV *callback = &PL_sv_undef)
925	PROTOTYPE: ;$
926	PPCODE:	1723	PPCODE:
927	{	1724	{
928	dREQ;	1725	dREQ;
929		1726
930	req->type = EIO_GROUP;	1727	req->type = EIO_GROUP;
931		1728
		1729	PUTBACK;
932	req_submit (req);	1730	req_submit (req);
		1731	SPAGAIN;
		1732
933	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1733	XPUSHs (req_sv (req, aio_grp_stash));
934	}	1734	}
935		1735
936	void	1736	void
937	aio_nop (SV *callback=&PL_sv_undef)	1737	aio_nop (SV *callback = &PL_sv_undef)
938	ALIAS:	1738	ALIAS:
939	aio_nop = EIO_NOP	1739	aio_nop = EIO_NOP
940	aio_sync = EIO_SYNC	1740	aio_sync = EIO_SYNC
941	PPCODE:	1741	PPCODE:
942	{	1742	{
…		…
946		1746
947	REQ_SEND;	1747	REQ_SEND;
948	}	1748	}
949		1749
950	int	1750	int
951	aioreq_pri (int pri = 0)	1751	aioreq_pri (int pri = NO_INIT)
952	PROTOTYPE: ;$
953	CODE:	1752	CODE:
954	RETVAL = next_pri;	1753	RETVAL = next_pri;
955	if (items > 0)	1754	if (items > 0)
956	{	1755	{
957	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1756	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
969	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1768	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
970	next_pri = nice;	1769	next_pri = nice;
971		1770
972	void	1771	void
973	flush ()	1772	flush ()
974	PROTOTYPE:
975	CODE:	1773	CODE:
976	while (eio_nreqs ())	1774	while (eio_nreqs ())
977	{	1775	{
978	poll_wait ();	1776	poll_wait ();
979	poll_cb ();	1777	poll_cb ();
980	}	1778	}
981		1779
982	int	1780	int
983	poll()	1781	poll ()
984	PROTOTYPE:
985	CODE:	1782	CODE:
986	poll_wait ();	1783	poll_wait ();
987	RETVAL = poll_cb ();	1784	RETVAL = poll_cb ();
988	OUTPUT:	1785	OUTPUT:
989	RETVAL	1786	RETVAL
990		1787
991	int	1788	int
992	poll_fileno()	1789	poll_fileno ()
993	PROTOTYPE:
994	CODE:	1790	CODE:
995	RETVAL = respipe [0];	1791	RETVAL = s_epipe_fd (&respipe);
996	OUTPUT:	1792	OUTPUT:
997	RETVAL	1793	RETVAL
998		1794
999	int	1795	int
1000	poll_cb(...)	1796	poll_cb (...)
1001	PROTOTYPE:	1797	PROTOTYPE:
1002	CODE:	1798	CODE:
1003	RETVAL = poll_cb ();	1799	RETVAL = poll_cb ();
1004	OUTPUT:	1800	OUTPUT:
1005	RETVAL	1801	RETVAL
1006		1802
1007	void	1803	void
1008	poll_wait()	1804	poll_wait ()
1009	PROTOTYPE:
1010	CODE:	1805	CODE:
1011	poll_wait ();	1806	poll_wait ();
1012		1807
1013	int	1808	int
1014	nreqs()	1809	nreqs ()
1015	PROTOTYPE:
1016	CODE:	1810	CODE:
1017	RETVAL = eio_nreqs ();	1811	RETVAL = eio_nreqs ();
1018	OUTPUT:	1812	OUTPUT:
1019	RETVAL	1813	RETVAL
1020		1814
1021	int	1815	int
1022	nready()	1816	nready ()
1023	PROTOTYPE:
1024	CODE:	1817	CODE:
1025	RETVAL = eio_nready ();	1818	RETVAL = eio_nready ();
1026	OUTPUT:	1819	OUTPUT:
1027	RETVAL	1820	RETVAL
1028		1821
1029	int	1822	int
1030	npending()	1823	npending ()
1031	PROTOTYPE:
1032	CODE:	1824	CODE:
1033	RETVAL = eio_npending ();	1825	RETVAL = eio_npending ();
1034	OUTPUT:	1826	OUTPUT:
1035	RETVAL	1827	RETVAL
1036		1828
1037	int	1829	int
1038	nthreads()	1830	nthreads ()
1039	PROTOTYPE:
1040	CODE:	1831	CODE:
1041	RETVAL = eio_nthreads ();	1832	RETVAL = eio_nthreads ();
1042	OUTPUT:	1833	OUTPUT:
1043	RETVAL	1834	RETVAL
1044		1835
		1836	int
		1837	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1838	CODE:
		1839	RETVAL = posix_fadvise (fh, offset, length, advice);
		1840	OUTPUT:
		1841	RETVAL
		1842
		1843	IV
		1844	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1845	CODE:
		1846	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1847	OUTPUT:
		1848	RETVAL
		1849
		1850	void
		1851	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
		1852	PPCODE:
		1853	sv_unmagic (scalar, MMAP_MAGIC);
		1854	{
		1855	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1856	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1857	if (addr == (void *)-1)
		1858	XSRETURN_NO;
		1859
		1860	sv_force_normal (scalar);
		1861
		1862	/* we store the length in mg_obj, as namlen is I32 :/ */
		1863	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1864	->mg_obj = (SV *)length;
		1865
		1866	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1867
		1868	if (!(prot & PROT_WRITE))
		1869	SvREADONLY_on (scalar);
		1870
		1871	if (SvLEN (scalar))
		1872	Safefree (SvPVX (scalar));
		1873
		1874	SvPVX (scalar) = (char *)addr;
		1875	SvCUR_set (scalar, length);
		1876	SvLEN_set (scalar, 0);
		1877	SvPOK_only (scalar);
		1878
		1879	XSRETURN_YES;
		1880	}
		1881
		1882	void
		1883	munmap (SV *scalar)
		1884	CODE:
		1885	sv_unmagic (scalar, MMAP_MAGIC);
		1886
		1887	int
		1888	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1889	ALIAS:
		1890	mprotect = 1
		1891	CODE:
		1892	{
		1893	STRLEN svlen;
		1894	void *addr = SvPVbyte (scalar, svlen);
		1895	STRLEN len = SvUV (length);
		1896
		1897	if (offset < 0)
		1898	offset += svlen;
		1899
		1900	if (offset < 0 || offset > svlen)
		1901	croak ("offset outside of scalar");
		1902
		1903	if (!SvOK (length) || len + offset > svlen)
		1904	len = svlen - offset;
		1905
		1906	addr = (void *)(((intptr_t)addr) + offset);
		1907	eio_page_align (&addr, &len);
		1908
		1909	switch (ix)
		1910	{
		1911	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1912	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1913	}
		1914	}
		1915	OUTPUT:
		1916	RETVAL
		1917
		1918	int
		1919	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1920	CODE:
		1921	{
		1922	STRLEN svlen;
		1923	void *addr = SvPVbyte (scalar, svlen);
		1924	size_t len = SvUV (length);
		1925
		1926	if (offset < 0)
		1927	offset += svlen;
		1928
		1929	if (offset < 0 || offset > svlen)
		1930	croak ("offset outside of scalar");
		1931
		1932	if (!SvOK (length) || len + offset > svlen)
		1933	len = svlen - offset;
		1934
		1935	addr = (void *)(((intptr_t)addr) + offset);
		1936	eio_page_align (&addr, &len);
		1937	#if _POSIX_MEMLOCK_RANGE
		1938	RETVAL = munlock (addr, len);
		1939	#else
		1940	RETVAL = EIO_ENOSYS ();
		1941	#endif
		1942	}
		1943	OUTPUT:
		1944	RETVAL
		1945
		1946	int
		1947	munlockall ()
		1948	CODE:
		1949	#if _POSIX_MEMLOCK
		1950	munlockall ();
		1951	#else
		1952	RETVAL = EIO_ENOSYS ();
		1953	#endif
		1954	OUTPUT:
		1955	RETVAL
		1956
		1957	int
		1958	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1959	CODE:
		1960	{
		1961	#if HAVE_LINUX_SPLICE
		1962	loff_t off_in_, off_out_;
		1963	RETVAL = splice (
		1964	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1965	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1966	length, flags
		1967	);
		1968	#else
		1969	RETVAL = EIO_ENOSYS ();
		1970	#endif
		1971	}
		1972	OUTPUT:
		1973	RETVAL
		1974
		1975	int
		1976	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1977	CODE:
		1978	#if HAVE_LINUX_SPLICE
		1979	RETVAL = tee (rfh, wfh, length, flags);
		1980	#else
		1981	RETVAL = EIO_ENOSYS ();
		1982	#endif
		1983	OUTPUT:
		1984	RETVAL
		1985
		1986	int
		1987	pipesize (aio_rfd rfh, int new_size = -1)
		1988	PROTOTYPE: $;$
		1989	CODE:
		1990	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1991	if (new_size >= 0)
		1992	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1993	else
		1994	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1995	#else
		1996	errno = ENOSYS;
		1997	RETVAL = -1;
		1998	#endif
		1999	OUTPUT:
		2000	RETVAL
		2001
		2002	void
		2003	pipe2 (int flags = 0)
		2004	PROTOTYPE: ;$
		2005	PPCODE:
		2006	{
		2007	int fd[2];
		2008	int res;
		2009
		2010	if (flags)
		2011	#if HAVE_PIPE2
		2012	res = pipe2 (fd, flags);
		2013	#else
		2014	res = (errno = ENOSYS, -1);
		2015	#endif
		2016	else
		2017	res = pipe (fd);
		2018
		2019	if (!res)
		2020	{
		2021	EXTEND (SP, 2);
		2022	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2023	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2024	}
		2025	}
		2026
1045	void _on_next_submit (SV *cb)	2027	void _on_next_submit (SV *cb)
1046	CODE:	2028	CODE:
1047	SvREFCNT_dec (on_next_submit);	2029	SvREFCNT_dec (on_next_submit);
1048	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2030	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1049		2031
1050	PROTOTYPES: DISABLE	2032	PROTOTYPES: DISABLE
1051		2033
		2034	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2035
		2036	BOOT:
		2037	{
		2038	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2039	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2040	}
		2041
		2042	void
		2043	DESTROY (SV *self)
		2044	CODE:
		2045	{
		2046	aio_wd wd = SvAIO_WD (self);
		2047	#if HAVE_AT
		2048	{
		2049	SV *callback = &PL_sv_undef;
		2050	dREQ; /* clobbers next_pri :/ */
		2051	next_pri = req->pri; /* restore next_pri */
		2052	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2053	req->type = EIO_WD_CLOSE;
		2054	req->wd = wd;
		2055	REQ_SEND;
		2056	}
		2057	#else
		2058	eio_wd_close_sync (wd);
		2059	#endif
		2060	}
		2061
1052	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2062	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1053		2063
1054	void	2064	void
1055	cancel (aio_req_ornot req)	2065	cancel (aio_req_ornot req)
1056	CODE:	2066	CODE:
1057	eio_cancel (req);	2067	eio_cancel (req);
1058		2068
1059	void	2069	void
1060	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2070	cb (aio_req_ornot req, SV *callback = NO_INIT)
1061	PPCODE:	2071	PPCODE:
1062	{	2072	{
1063	if (GIMME_V != G_VOID)	2073	if (GIMME_V != G_VOID)
1064	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2074	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1065		2075
…		…
1110	AV *av;	2120	AV *av;
1111		2121
1112	grp->errorno = errno;	2122	grp->errorno = errno;
1113		2123
1114	av = newAV ();	2124	av = newAV ();
		2125	av_extend (av, items - 1);
1115		2126
1116	for (i = 1; i < items; ++i )	2127	for (i = 1; i < items; ++i )
1117	av_push (av, newSVsv (ST (i)));	2128	av_push (av, newSVsv (ST (i)));
1118		2129
1119	SvREFCNT_dec (grp->sv1);	2130	SvREFCNT_dec (grp->sv1);
…		…
1129	limit (aio_req grp, int limit)	2140	limit (aio_req grp, int limit)
1130	CODE:	2141	CODE:
1131	eio_grp_limit (grp, limit);	2142	eio_grp_limit (grp, limit);
1132		2143
1133	void	2144	void
1134	feed (aio_req grp, SV *callback=&PL_sv_undef)	2145	feed (aio_req grp, SV *callback = &PL_sv_undef)
1135	CODE:	2146	CODE:
1136	{	2147	{
1137	SvREFCNT_dec (grp->sv2);	2148	SvREFCNT_dec (grp->sv2);
1138	grp->sv2 = newSVsv (callback);	2149	grp->sv2 = newSVsv (callback);
		2150	grp->feed = aio_grp_feed;
1139		2151
1140	if (grp->int2 <= 0)	2152	if (grp->int2 <= 0)
1141	grp->int2 = 2;	2153	grp->int2 = 2;
1142		2154
1143	eio_grp_limit (grp, grp->int2);	2155	eio_grp_limit (grp, grp->int2);

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