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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.115 by root, Sat May 10 18:06:41 2008 UTC vs.
Revision 1.185 by root, Thu Jul 7 22:36:18 2011 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>
		16	#include <sys/statvfs.h>
14	#include <limits.h>	17	#include <limits.h>
15	#include <fcntl.h>	18	#include <fcntl.h>
16	#include <sched.h>	19	#include <sched.h>
		20
		21	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		22	# include <sys/mman.h>
		23	#endif
		24
		25	/* perl namespace pollution */
		26	#undef VERSION
17		27
18	#ifdef _WIN32	28	#ifdef _WIN32
19		29
20	# define EIO_STRUCT_DIRENT Direntry_t	30	# define EIO_STRUCT_DIRENT Direntry_t
21	# undef malloc	31	# undef malloc
…		…
62	# include <signal.h>	72	# include <signal.h>
63	# define EIO_STRUCT_DIRENT struct dirent	73	# define EIO_STRUCT_DIRENT struct dirent
64		74
65	#endif	75	#endif
66		76
		77	/* perl stupidly overrides readdir and maybe others */
		78	/* with thread-unsafe versions, imagine that :( */
		79	#undef readdir
		80	#undef opendir
		81	#undef closedir
		82
67	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STAT Stat_t
68		84
69	/* use NV for 32 bit perls as it allows larger offsets */	85	/* use NV for 32 bit perls as it allows larger offsets */
70	#if IVSIZE >= 8	86	#if IVSIZE >= 8
		87	# define VAL64 IV
71	# define SvVAL64 SvIV	88	# define SvVAL64 SvIV
		89	# define newSVval64 newSViv
72	#else	90	#else
		91	# define VAL64 NV
73	# define SvVAL64 SvNV	92	# define SvVAL64 SvNV
		93	# define newSVval64 newSVnv
74	#endif	94	#endif
75		95
76	static HV *stash;	96	/*****************************************************************************/
		97
		98	#if __GNUC__ >= 3
		99	# define expect(expr,value) __builtin_expect ((expr),(value))
		100	#else
		101	# define expect(expr,value) (expr)
		102	#endif
		103
		104	#define expect_false(expr) expect ((expr) != 0, 0)
		105	#define expect_true(expr) expect ((expr) != 0, 1)
		106
		107	/*****************************************************************************/
		108
77	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 */
78		112
79	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
80	#define AIO_GRP_KLASS "IO::AIO::GRP"
81		114
82	#define EIO_COMMON \	115	#define EIO_REQ_MEMBERS \
83	SV *callback; \	116	SV *callback; \
84	SV *sv1, *sv2; \	117	SV *sv1, *sv2; \
85	STRLEN stroffset; \	118	STRLEN stroffset; \
86	SV *self	119	SV *self;
87		120
		121	#define EIO_NO_WRAPPERS 1
		122
		123	#include "libeio/config.h"
88	#include "libeio/eio.h"	124	#include "libeio/eio.h"
		125
		126	/* Linux/others */
		127	#ifndef O_ASYNC
		128	# define O_ASYNC 0
		129	#endif
		130	#ifndef O_DIRECT
		131	# define O_DIRECT 0
		132	#endif
		133	#ifndef O_NOATIME
		134	# define O_NOATIME 0
		135	#endif
		136
		137	/* POSIX */
		138	#ifndef O_CLOEXEC
		139	# define O_CLOEXEC 0
		140	#endif
		141	#ifndef O_NOFOLLOW
		142	# define O_NOFOLLOW 0
		143	#endif
		144	#ifndef O_NOCTTY
		145	# define O_NOCTTY 0
		146	#endif
		147	#ifndef O_NONBLOCK
		148	# define O_NONBLOCK 0
		149	#endif
		150	#ifndef O_EXEC
		151	# define O_EXEC 0
		152	#endif
		153	#ifndef O_SEARCH
		154	# define O_SEARCH 0
		155	#endif
		156	#ifndef O_DIRECTORY
		157	# define O_DIRECTORY 0
		158	#endif
		159	#ifndef O_DSYNC
		160	# define O_DSYNC 0
		161	#endif
		162	#ifndef O_RSYNC
		163	# define O_RSYNC 0
		164	#endif
		165	#ifndef O_SYNC
		166	# define O_SYNC 0
		167	#endif
		168	#ifndef O_TTY_INIT
		169	# define O_TTY_INIT 0
		170	#endif
		171
		172	#ifndef POSIX_FADV_NORMAL
		173	# define POSIX_FADV_NORMAL 0
		174	#endif
		175	#ifndef POSIX_FADV_SEQUENTIAL
		176	# define POSIX_FADV_SEQUENTIAL 0
		177	#endif
		178	#ifndef POSIX_FADV_RANDOM
		179	# define POSIX_FADV_RANDOM 0
		180	#endif
		181	#ifndef POSIX_FADV_NOREUSE
		182	# define POSIX_FADV_NOREUSE 0
		183	#endif
		184	#ifndef POSIX_FADV_WILLNEED
		185	# define POSIX_FADV_WILLNEED 0
		186	#endif
		187	#ifndef POSIX_FADV_DONTNEED
		188	# define POSIX_FADV_DONTNEED 0
		189	#endif
		190
		191	#if !HAVE_POSIX_FADVISE
		192	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		193	#endif
		194
		195	#ifndef POSIX_MADV_NORMAL
		196	# define POSIX_MADV_NORMAL 0
		197	#endif
		198	#ifndef POSIX_MADV_SEQUENTIAL
		199	# define POSIX_MADV_SEQUENTIAL 0
		200	#endif
		201	#ifndef POSIX_MADV_RANDOM
		202	# define POSIX_MADV_RANDOM 0
		203	#endif
		204	#ifndef POSIX_MADV_WILLNEED
		205	# define POSIX_MADV_WILLNEED 0
		206	#endif
		207	#ifndef POSIX_MADV_DONTNEED
		208	# define POSIX_MADV_DONTNEED 0
		209	#endif
		210
		211	#if !HAVE_POSIX_MADVISE
		212	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		213	#endif
		214
		215	#ifndef PROT_NONE
		216	# define PROT_NONE 0
		217	#endif
		218	#ifndef PROT_READ
		219	# define PROT_READ 0
		220	#endif
		221	#ifndef PROT_WRITE
		222	# define PROT_READ 0
		223	#endif
		224	#ifndef PROT_EXEC
		225	# define PROT_EXEC 0
		226	#endif
		227
		228	#ifndef ST_NODEV
		229	# define ST_NODEV 0
		230	#endif
		231	#ifndef ST_NOEXEC
		232	# define ST_NOEXEC 0
		233	#endif
		234	#ifndef ST_SYNCHRONOUS
		235	# define ST_SYNCHRONOUS 0
		236	#endif
		237	#ifndef ST_MANDLOCK
		238	# define ST_MANDLOCK 0
		239	#endif
		240	#ifndef ST_WRITE
		241	# define ST_WRITE 0
		242	#endif
		243	#ifndef ST_APPEND
		244	# define ST_APPEND 0
		245	#endif
		246	#ifndef ST_IMMUTABLE
		247	# define ST_IMMUTABLE 0
		248	#endif
		249	#ifndef ST_NOATIME
		250	# define ST_NOATIME 0
		251	#endif
		252	#ifndef ST_NODIRATIME
		253	# define ST_NODIRATIME 0
		254	#endif
		255	#ifndef ST_RELATIME
		256	# define ST_RELATIME 0
		257	#endif
		258
		259	#ifndef S_IFIFO
		260	# define S_IFIFO 0
		261	#endif
		262	#ifndef S_IFCHR
		263	# define S_IFCHR 0
		264	#endif
		265	#ifndef S_IFBLK
		266	# define S_IFBLK 0
		267	#endif
		268	#ifndef S_IFLNK
		269	# define S_IFLNK 0
		270	#endif
		271	#ifndef S_IFREG
		272	# define S_IFREG 0
		273	#endif
		274	#ifndef S_IFDIR
		275	# define S_IFDIR 0
		276	#endif
		277	#ifndef S_IFWHT
		278	# define S_IFWHT 0
		279	#endif
		280	#ifndef S_IFSOCK
		281	# define S_IFSOCK 0
		282	#endif
		283
		284	#ifndef MAP_ANONYMOUS
		285	# ifdef MAP_ANON
		286	# define MAP_ANONYMOUS MAP_ANON
		287	# else
		288	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		289	# endif
		290	#endif
		291	#ifndef MAP_HUGETLB
		292	# define MAP_HUGETLB 0
		293	#endif
		294	#ifndef MAP_LOCKED
		295	# define MAP_LOCKED 0
		296	#endif
		297	#ifndef MAP_NORESERVE
		298	# define MAP_NORESERVE 0
		299	#endif
		300	#ifndef MAP_POPULATE
		301	# define MAP_POPULATE 0
		302	#endif
		303	#ifndef MAP_NONBLOCK
		304	# define MAP_NONBLOCK 0
		305	#endif
		306
		307	#ifndef makedev
		308	# define makedev(maj,min) (((maj) << 8) | (min))
		309	#endif
		310	#ifndef major
		311	# define major(dev) ((dev) >> 8)
		312	#endif
		313	#ifndef minor
		314	# define minor(dev) ((dev) & 0xff)
		315	#endif
		316
		317	#ifndef PAGESIZE
		318	# define PAGESIZE sysconf (_SC_PAGESIZE)
		319	#endif
89		320
90	static int req_invoke (eio_req *req);	321	static int req_invoke (eio_req *req);
91	#define EIO_FINISH(req) req_invoke (req)	322	#define EIO_FINISH(req) req_invoke (req)
92	static void aio_grp_feed (eio_req *grp);
93	#define EIO_FEED(req) aio_grp_feed (req)
94	static void req_destroy (eio_req *grp);	323	static void req_destroy (eio_req *grp);
95	#define EIO_DESTROY(req) req_destroy (req)	324	#define EIO_DESTROY(req) req_destroy (req)
96		325
97	enum {	326	enum {
98	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	327	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
101	#include "libeio/eio.c"	330	#include "libeio/eio.c"
102		331
103	typedef eio_req *aio_req;	332	typedef eio_req *aio_req;
104	typedef eio_req *aio_req_ornot;	333	typedef eio_req *aio_req_ornot;
105		334
106	static unsigned int max_outstanding = 0x7fffffff;	335	static SV *on_next_submit;
		336	static int next_pri = EIO_PRI_DEFAULT;
		337	static int max_outstanding;
107		338
108	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	339	static s_epipe respipe;
109
110	static int respipe_osf [2], respipe [2] = { -1, -1 };
111		340
112	static void req_destroy (aio_req req);	341	static void req_destroy (aio_req req);
113	static void req_cancel (aio_req req);	342	static void req_cancel (aio_req req);
114		343
115	static void want_poll (void)	344	static void want_poll (void)
116	{	345	{
117	/* write a dummy byte to the pipe so fh becomes ready */	346	/* write a dummy byte to the pipe so fh becomes ready */
118	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	347	s_epipe_signal (&respipe);
119	}	348	}
120		349
121	static void done_poll (void)	350	static void done_poll (void)
122	{	351	{
123	/* read any signals sent by the worker threads */	352	/* read any signals sent by the worker threads */
124	char buf [4];	353	s_epipe_drain (&respipe);
125	while (respipe_read (respipe [0], buf, 4) == 4)
126	;
127	}	354	}
128		355
129	/* must be called at most once */	356	/* must be called at most once */
130	static SV *req_sv (aio_req req, const char *klass)	357	static SV *req_sv (aio_req req, HV *stash)
131	{	358	{
132	if (!req->self)	359	if (!req->self)
133	{	360	{
134	req->self = (SV *)newHV ();	361	req->self = (SV *)newHV ();
135	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136	}	363	}
137		364
138	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139	}	366	}
140		367
141	static aio_req SvAIO_REQ (SV *sv)	368	static aio_req SvAIO_REQ (SV *sv)
142	{	369	{
143	MAGIC *mg;	370	MAGIC *mg;
144		371
145	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	372	if (!SvROK (sv)
		373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		374	&& SvSTASH (SvRV (sv)) != aio_req_stash
		375	&& !sv_derived_from (sv, "IO::AIO::REQ")))
146	croak ("object of class " AIO_REQ_KLASS " expected");	376	croak ("object of class IO::AIO::REQ expected");
147		377
148	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149		379
150	return mg ? (aio_req)mg->mg_ptr : 0;	380	return mg ? (aio_req)mg->mg_ptr : 0;
151	}	381	}
…		…
157	dSP;	387	dSP;
158		388
159	ENTER;	389	ENTER;
160	SAVETMPS;	390	SAVETMPS;
161	PUSHMARK (SP);	391	PUSHMARK (SP);
162	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	392	XPUSHs (req_sv (grp, aio_grp_stash));
163	PUTBACK;	393	PUTBACK;
164	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	394	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165	SPAGAIN;	395	SPAGAIN;
166	FREETMPS;	396	FREETMPS;
167	LEAVE;	397	LEAVE;
168	}	398	}
169	}	399	}
170		400
		401	static void req_submit (eio_req *req)
		402	{
		403	eio_submit (req);
		404
		405	if (expect_false (on_next_submit))
		406	{
		407	dSP;
		408	SV *cb = sv_2mortal (on_next_submit);
		409
		410	on_next_submit = 0;
		411
		412	PUSHMARK (SP);
		413	PUTBACK;
		414	call_sv (cb, G_DISCARD | G_EVAL);
		415	}
		416	}
		417
171	static int req_invoke (eio_req *req)	418	static int req_invoke (eio_req *req)
172	{	419	{
173	dSP;
174
175	if (req->flags & FLAG_SV2_RO_OFF)	420	if (req->flags & FLAG_SV2_RO_OFF)
176	SvREADONLY_off (req->sv2);	421	SvREADONLY_off (req->sv2);
177		422
178	if (!EIO_CANCELLED (req) && SvOK (req->callback))	423	if (!EIO_CANCELLED (req) && req->callback)
179	{	424	{
		425	dSP;
		426	static SV *sv_result_cache; /* caches the result integer SV */
		427	SV *sv_result;
		428
180	ENTER;	429	ENTER;
181	SAVETMPS;	430	SAVETMPS;
182	PUSHMARK (SP);	431	PUSHMARK (SP);
183	EXTEND (SP, 1);	432	EXTEND (SP, 1);
		433
		434	/* do not recreate the result IV from scratch each time */
		435	if (expect_true (sv_result_cache))
		436	{
		437	sv_result = sv_result_cache; sv_result_cache = 0;
		438	SvIV_set (sv_result, req->result);
		439	SvIOK_only (sv_result);
		440	}
		441	else
		442	{
		443	sv_result = newSViv (req->result);
		444	SvREADONLY_on (sv_result);
		445	}
184		446
185	switch (req->type)	447	switch (req->type)
186	{	448	{
187	case EIO_READDIR:	449	case EIO_READDIR:
188	{	450	{
189	SV *rv = &PL_sv_undef;	451	SV *rv = &PL_sv_undef;
190		452
191	if (req->result >= 0)	453	if (req->result >= 0)
192	{	454	{
193	int i;	455	int i;
194	char *buf = req->ptr2;	456	char *names = (char *)req->ptr2;
		457	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
195	AV *av = newAV ();	458	AV *av = newAV ();
196		459
197	av_extend (av, req->result - 1);	460	av_extend (av, req->result - 1);
198		461
199	for (i = 0; i < req->result; ++i)	462	for (i = 0; i < req->result; ++i)
200	{	463	{
201	SV *sv = newSVpv (buf, 0);	464	if (req->int1 & EIO_READDIR_DENTS)
		465	{
		466	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202		467
		468	if (req->int1 & EIO_READDIR_CUSTOM2)
		469	{
		470	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		471	AV *avent = newAV ();
		472
		473	av_extend (avent, 2);
		474
		475	if (!sv_type [ent->type])
		476	{
		477	sv_type [ent->type] = newSViv (ent->type);
		478	SvREADONLY_on (sv_type [ent->type]);
		479	}
		480
		481	av_store (avent, 0, namesv);
		482	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		483	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		484
		485	av_store (av, i, newRV_noinc ((SV *)avent));
		486	}
		487	else
203	av_store (av, i, sv);	488	av_store (av, i, namesv);
		489
		490	++ent;
		491	}
		492	else
		493	{
		494	SV *name = newSVpv (names, 0);
		495	av_store (av, i, name);
204	buf += SvCUR (sv) + 1;	496	names += SvCUR (name) + 1;
		497	}
205	}	498	}
206		499
207	rv = sv_2mortal (newRV_noinc ((SV *)av));	500	rv = sv_2mortal (newRV_noinc ((SV *)av));
208	}	501	}
209		502
210	PUSHs (rv);	503	PUSHs (rv);
		504
		505	if (req->int1 & EIO_READDIR_CUSTOM1)
		506	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
211	}	507	}
212	break;	508	break;
213		509
214	case EIO_OPEN:	510	case EIO_OPEN:
215	{	511	{
…		…
221	GV *gv = (GV *)sv_newmortal ();	517	GV *gv = (GV *)sv_newmortal ();
222	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	518	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
223	char sym [64];	519	char sym [64];
224	int symlen;	520	int symlen;
225		521
226	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	522	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227	gv_init (gv, stash, sym, symlen, 0);	523	gv_init (gv, aio_stash, sym, symlen, 0);
228		524
229	symlen = snprintf (	525	symlen = snprintf (
230	sym,	526	sym,
231	sizeof (sym),	527	sizeof (sym),
232	"%s&=%d",	528	"%s&=%d",
233	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	529	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234	req->result	530	(int)req->result
235	);	531	);
236		532
237	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	533	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238	fh = (SV *)gv;	534	fh = (SV *)gv;
239	}	535	}
240		536
241	PUSHs (fh);	537	PUSHs (fh);
242	}	538	}
		539	break;
		540
		541	case EIO_STATVFS:
		542	case EIO_FSTATVFS:
		543	{
		544	SV *rv = &PL_sv_undef;
		545
		546	if (req->result >= 0)
		547	{
		548	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		549	HV *hv = newHV ();
		550
		551	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		552
		553	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		554	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		555	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		556	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		557	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		558	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		559	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		560	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		561	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		562	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		563	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		564	}
		565
		566	PUSHs (rv);
		567	}
		568
243	break;	569	break;
244		570
245	case EIO_GROUP:	571	case EIO_GROUP:
246	req->int1 = 2; /* mark group as finished */	572	req->int1 = 2; /* mark group as finished */
247		573
…		…
259	case EIO_NOP:	585	case EIO_NOP:
260	case EIO_BUSY:	586	case EIO_BUSY:
261	break;	587	break;
262		588
263	case EIO_READLINK:	589	case EIO_READLINK:
		590	case EIO_REALPATH:
264	if (req->result > 0)	591	if (req->result > 0)
265	{	592	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
266	SvCUR_set (req->sv2, req->result);
267	*SvEND (req->sv2) = 0;
268	PUSHs (req->sv2);
269	}
270	break;	593	break;
271		594
272	case EIO_STAT:	595	case EIO_STAT:
273	case EIO_LSTAT:	596	case EIO_LSTAT:
274	case EIO_FSTAT:	597	case EIO_FSTAT:
275	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	598	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
276	PL_laststatval = req->result;	599	PL_laststatval = req->result;
277	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	600	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
278	PUSHs (sv_2mortal (newSViv (req->result)));	601	PUSHs (sv_result);
279	break;	602	break;
280		603
281	case EIO_READ:	604	case EIO_READ:
		605	{
282	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	606	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
283	*SvEND (req->sv2) = 0;	607	*SvEND (req->sv2) = 0;
284	PUSHs (sv_2mortal (newSViv (req->result)));	608	SvPOK_only (req->sv2);
		609	SvSETMAGIC (req->sv2);
		610	PUSHs (sv_result);
		611	}
285	break;	612	break;
286		613
287	case EIO_DUP2:	614	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
288	if (req->result > 0)	615	if (req->result > 0)
289	req->result = 0;	616	SvIV_set (sv_result, 0);
290	/* FALLTHROUGH */	617	/* FALLTHROUGH */
291		618
292	default:	619	default:
293	PUSHs (sv_2mortal (newSViv (req->result)));	620	PUSHs (sv_result);
294	break;	621	break;
295	}	622	}
296		623
297	errno = req->errorno;	624	errno = req->errorno;
298		625
299	PUTBACK;	626	PUTBACK;
300	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	627	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
301	SPAGAIN;	628	SPAGAIN;
		629
		630	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		631	SvREFCNT_dec (sv_result);
		632	else
		633	sv_result_cache = sv_result;
302		634
303	FREETMPS;	635	FREETMPS;
304	LEAVE;	636	LEAVE;
305		637
306	PUTBACK;	638	PUTBACK;
…		…
335	grp->sv2 = 0;	667	grp->sv2 = 0;
336		668
337	eio_grp_cancel (grp);	669	eio_grp_cancel (grp);
338	}	670	}
339		671
340	#ifdef USE_SOCKETS_AS_HANDLES
341	# define TO_SOCKET(x) (win32_get_osfhandle (x))
342	#else
343	# define TO_SOCKET(x) (x)
344	#endif
345
346	static void
347	create_respipe (void)	672	static void create_respipe (void)
348	{	673	{
349	int old_readfd = respipe [0];
350
351	if (respipe [1] >= 0)
352	respipe_close (TO_SOCKET (respipe [1]));
353
354	#ifdef _WIN32
355	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
356	#else
357	if (pipe (respipe))	674	if (s_epipe_renew (&respipe))
358	#endif
359	croak ("unable to initialize result pipe");	675	croak ("IO::AIO: unable to initialize result pipe");
360
361	if (old_readfd >= 0)
362	{
363	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
364	croak ("unable to initialize result pipe(2)");
365
366	respipe_close (respipe [0]);
367	respipe [0] = old_readfd;
368	}
369
370	#ifdef _WIN32
371	int arg = 1;
372	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
373	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
374	#else
375	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
376	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
377	#endif
378	croak ("unable to initialize result pipe(3)");
379
380	respipe_osf [0] = TO_SOCKET (respipe [0]);
381	respipe_osf [1] = TO_SOCKET (respipe [1]);
382	}	676	}
383		677
384	static void poll_wait (void)	678	static void poll_wait (void)
385	{	679	{
386	fd_set rfd;
387
388	while (eio_nreqs ())	680	while (eio_nreqs ())
389	{	681	{
390	int size;	682	int size;
391		683
392	X_LOCK (reslock);	684	X_LOCK (reslock);
…		…
394	X_UNLOCK (reslock);	686	X_UNLOCK (reslock);
395		687
396	if (size)	688	if (size)
397	return;	689	return;
398		690
399	maybe_start_thread ();	691	etp_maybe_start_thread ();
400		692
401	FD_ZERO (&rfd);	693	s_epipe_wait (&respipe);
402	FD_SET (respipe [0], &rfd);
403
404	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405	}	694	}
406	}	695	}
407		696
408	static int poll_cb (void)	697	static int poll_cb (void)
409	{	698	{
		699	for (;;)
		700	{
410	int res = eio_poll ();	701	int res = eio_poll ();
411		702
412	if (res > 0)	703	if (res > 0)
413	croak (0);	704	croak (0);
414		705
		706	if (!max_outstanding || max_outstanding > eio_nreqs ())
		707	return res;
		708
		709	poll_wait ();
		710	}
		711	}
		712
		713	static void atfork_child (void)
		714	{
		715	create_respipe ();
		716	}
		717
		718	/*****************************************************************************/
		719
		720	#if !_POSIX_MAPPED_FILES
		721	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		722	# define munmap(addr,length) (errno = ENOSYS, -1)
		723	#endif
		724
		725	#if !_POSIX_MEMORY_PROTECTION
		726	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		727	# define PROT_NONE 0
		728	# define PROT_WRITE 0
		729	# define MAP_PRIVATE 0
		730	# define MAP_SHARED 0
		731	# define MAP_FIXED 0
		732	#endif
		733
		734	#define MMAP_MAGIC PERL_MAGIC_ext
		735
		736	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		737	{
		738	int old_errno = errno;
		739	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		740	errno = old_errno;
		741
		742	mg->mg_obj = 0; /* just in case */
		743
		744	SvREADONLY_off (sv);
		745
		746	if (SvPVX (sv) != mg->mg_ptr)
		747	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		748
		749	SvCUR_set (sv, 0);
		750	SvPVX (sv) = 0;
		751	SvOK_off (sv);
		752
415	return res;	753	return 0;
		754	}
		755
		756	static MGVTBL mmap_vtbl = {
		757	0, 0, 0, 0, mmap_free
		758	};
		759
		760	/*****************************************************************************/
		761
		762	static SV * get_cb (SV *cb_sv)
		763	{
		764	SvGETMAGIC (cb_sv);
		765	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
416	}	766	}
417		767
418	#define dREQ \	768	#define dREQ \
		769	SV *cb_cv; \
419	aio_req req; \	770	aio_req req; \
420	int req_pri = next_pri; \	771	int req_pri = next_pri; \
421	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	772	next_pri = EIO_PRI_DEFAULT; \
422	\	773	\
423	if (SvOK (callback) && !SvROK (callback)) \	774	cb_cv = get_cb (callback); \
424	croak ("callback must be undef or of reference type"); \
425	\	775	\
426	Newz (0, req, 1, eio_req); \	776	Newz (0, req, 1, eio_req); \
427	if (!req) \	777	if (!req) \
428	croak ("out of memory during eio_req allocation"); \	778	croak ("out of memory during eio_req allocation"); \
429	\	779	\
430	req->callback = newSVsv (callback); \	780	req->callback = SvREFCNT_inc (cb_cv); \
431	req->pri = req_pri	781	req->pri = req_pri
432		782
433	#define REQ_SEND \	783	#define REQ_SEND \
		784	PUTBACK; \
434	eio_submit (req); \	785	req_submit (req); \
		786	SPAGAIN; \
435	\	787	\
436	if (GIMME_V != G_VOID) \	788	if (GIMME_V != G_VOID) \
437	XPUSHs (req_sv (req, AIO_REQ_KLASS));	789	XPUSHs (req_sv (req, aio_req_stash));
438		790
439	MODULE = IO::AIO PACKAGE = IO::AIO	791	MODULE = IO::AIO PACKAGE = IO::AIO
440		792
441	PROTOTYPES: ENABLE	793	PROTOTYPES: ENABLE
442		794
443	BOOT:	795	BOOT:
444	{	796	{
		797	static const struct {
		798	const char *name;
		799	IV iv;
		800	} *civ, const_iv[] = {
		801	# define const_niv(name, value) { # name, (IV) value },
		802	# define const_iv(name) { # name, (IV) name },
		803	# define const_eio(name) { # name, (IV) EIO_ ## name },
		804	const_iv (EXDEV)
		805	const_iv (ENOSYS)
		806	const_iv (O_RDONLY)
		807	const_iv (O_WRONLY)
		808	const_iv (O_RDWR)
		809	const_iv (O_CREAT)
		810	const_iv (O_TRUNC)
		811	const_iv (O_EXCL)
		812	const_iv (O_APPEND)
		813
		814	const_iv (O_ASYNC)
		815	const_iv (O_DIRECT)
		816	const_iv (O_NOATIME)
		817
		818	const_iv (O_CLOEXEC)
		819	const_iv (O_NOCTTY)
		820	const_iv (O_NOFOLLOW)
		821	const_iv (O_NONBLOCK)
		822	const_iv (O_EXEC)
		823	const_iv (O_SEARCH)
		824	const_iv (O_DIRECTORY)
		825	const_iv (O_DSYNC)
		826	const_iv (O_RSYNC)
		827	const_iv (O_SYNC)
		828	const_iv (O_TTY_INIT)
		829
		830	const_iv (S_IFIFO)
		831	const_iv (S_IFCHR)
		832	const_iv (S_IFBLK)
		833	const_iv (S_IFLNK)
		834	const_iv (S_IFREG)
		835	const_iv (S_IFDIR)
		836	const_iv (S_IFWHT)
		837	const_iv (S_IFSOCK)
		838	const_iv (S_IFMT)
		839
		840	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		841	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		842	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		843	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		844	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		845	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		846
		847	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		848	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		849	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		850	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		851	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		852
		853	const_iv (ST_RDONLY)
		854	const_iv (ST_NOSUID)
		855	const_iv (ST_NODEV)
		856	const_iv (ST_NOEXEC)
		857	const_iv (ST_SYNCHRONOUS)
		858	const_iv (ST_MANDLOCK)
		859	const_iv (ST_WRITE)
		860	const_iv (ST_APPEND)
		861	const_iv (ST_IMMUTABLE)
		862	const_iv (ST_NOATIME)
		863	const_iv (ST_NODIRATIME)
		864	const_iv (ST_RELATIME)
		865
		866	const_iv (PROT_NONE)
		867	const_iv (PROT_EXEC)
		868	const_iv (PROT_READ)
		869	const_iv (PROT_WRITE)
		870
		871	/*const_iv (MAP_FIXED)*/
		872	const_iv (MAP_PRIVATE)
		873	const_iv (MAP_SHARED)
		874	const_iv (MAP_ANONYMOUS)
		875
		876	/* linuxish */
		877	const_iv (MAP_HUGETLB)
		878	const_iv (MAP_LOCKED)
		879	const_iv (MAP_NORESERVE)
		880	const_iv (MAP_POPULATE)
		881	const_iv (MAP_NONBLOCK)
		882
		883	const_eio (MCL_FUTURE)
		884	const_eio (MCL_CURRENT)
		885
		886	const_eio (MS_ASYNC)
		887	const_eio (MS_INVALIDATE)
		888	const_eio (MS_SYNC)
		889
		890	const_eio (MT_MODIFY)
		891
		892	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		893	const_eio (SYNC_FILE_RANGE_WRITE)
		894	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		895
		896	const_eio (FALLOC_FL_KEEP_SIZE)
		897
		898	const_eio (READDIR_DENTS)
		899	const_eio (READDIR_DIRS_FIRST)
		900	const_eio (READDIR_STAT_ORDER)
		901	const_eio (READDIR_FOUND_UNKNOWN)
		902
		903	const_eio (DT_UNKNOWN)
		904	const_eio (DT_FIFO)
		905	const_eio (DT_CHR)
		906	const_eio (DT_DIR)
		907	const_eio (DT_BLK)
		908	const_eio (DT_REG)
		909	const_eio (DT_LNK)
		910	const_eio (DT_SOCK)
		911	const_eio (DT_WHT)
		912	};
		913
445	stash = gv_stashpv ("IO::AIO", 1);	914	aio_stash = gv_stashpv ("IO::AIO" , 1);
		915	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		916	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
446		917
447	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	918	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
448	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	919	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
449	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
450	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
451	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
452	#ifdef _WIN32
453	X_MUTEX_CHECK (wrklock);
454	X_MUTEX_CHECK (reslock);
455	X_MUTEX_CHECK (reqlock);
456	X_MUTEX_CHECK (reqwait);
457	X_MUTEX_CHECK (preadwritelock);
458	X_MUTEX_CHECK (readdirlock);
459		920
460	X_COND_CHECK (reqwait);	921	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
461	#else
462	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
463	#endif
464		922
465	create_respipe ();	923	create_respipe ();
466		924
467	if (eio_init (want_poll, done_poll) < 0)	925	if (eio_init (want_poll, done_poll) < 0)
468	croak ("IO::AIO: unable to initialise eio library");	926	croak ("IO::AIO: unable to initialise eio library");
469	}
470		927
		928	/* atfork child called in fifo order, so before eio's handler */
		929	X_THREAD_ATFORK (0, 0, atfork_child);
		930	}
		931
471	void	932	void
472	max_poll_reqs (int nreqs)	933	max_poll_reqs (unsigned int nreqs)
473	PROTOTYPE: $	934	PROTOTYPE: $
474	CODE:	935	CODE:
475	eio_set_max_poll_reqs (nreqs);	936	eio_set_max_poll_reqs (nreqs);
476		937
477	void	938	void
…		…
479	PROTOTYPE: $	940	PROTOTYPE: $
480	CODE:	941	CODE:
481	eio_set_max_poll_time (nseconds);	942	eio_set_max_poll_time (nseconds);
482		943
483	void	944	void
484	min_parallel (int nthreads)	945	min_parallel (unsigned int nthreads)
485	PROTOTYPE: $	946	PROTOTYPE: $
486	CODE:	947	CODE:
487	eio_set_min_parallel (nthreads);	948	eio_set_min_parallel (nthreads);
488		949
489	void	950	void
490	max_parallel (int nthreads)	951	max_parallel (unsigned int nthreads)
491	PROTOTYPE: $	952	PROTOTYPE: $
492	CODE:	953	CODE:
493	eio_set_max_parallel (nthreads);	954	eio_set_max_parallel (nthreads);
494		955
495	void	956	void
496	max_idle (int nthreads)	957	max_idle (unsigned int nthreads)
497	PROTOTYPE: $	958	PROTOTYPE: $
498	CODE:	959	CODE:
499	eio_set_max_idle (nthreads);	960	eio_set_max_idle (nthreads);
500		961
501	void	962	void
		963	idle_timeout (unsigned int seconds)
		964	PROTOTYPE: $
		965	CODE:
		966	eio_set_idle_timeout (seconds);
		967
		968	void
502	max_outstanding (int maxreqs)	969	max_outstanding (unsigned int maxreqs)
503	PROTOTYPE: $	970	PROTOTYPE: $
504	CODE:	971	CODE:
505	max_outstanding = maxreqs;	972	max_outstanding = maxreqs;
506		973
507	void	974	void
508	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	975	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
509	PROTOTYPE: $$$;$
510	PPCODE:	976	PPCODE:
511	{	977	{
512	dREQ;	978	dREQ;
513		979
514	req->type = EIO_OPEN;	980	req->type = EIO_OPEN;
…		…
520	REQ_SEND;	986	REQ_SEND;
521	}	987	}
522		988
523	void	989	void
524	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	990	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
525	PROTOTYPE: $;$
526	ALIAS:	991	ALIAS:
527	aio_fsync = EIO_FSYNC	992	aio_fsync = EIO_FSYNC
528	aio_fdatasync = EIO_FDATASYNC	993	aio_fdatasync = EIO_FDATASYNC
529	PPCODE:	994	PPCODE:
530	{	995	{
		996	int fd = s_fileno_croak (fh, 0);
531	dREQ;	997	dREQ;
532		998
533	req->type = ix;	999	req->type = ix;
534	req->sv1 = newSVsv (fh);	1000	req->sv1 = newSVsv (fh);
535	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1001	req->int1 = fd;
536		1002
537	REQ_SEND (req);	1003	REQ_SEND (req);
538	}	1004	}
539		1005
540	void	1006	void
		1007	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1008	PPCODE:
		1009	{
		1010	int fd = s_fileno_croak (fh, 0);
		1011	dREQ;
		1012
		1013	req->type = EIO_SYNC_FILE_RANGE;
		1014	req->sv1 = newSVsv (fh);
		1015	req->int1 = fd;
		1016	req->offs = offset;
		1017	req->size = nbytes;
		1018	req->int2 = flags;
		1019
		1020	REQ_SEND (req);
		1021	}
		1022
		1023	void
		1024	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1025	PPCODE:
		1026	{
		1027	int fd = s_fileno_croak (fh, 0);
		1028	dREQ;
		1029
		1030	req->type = EIO_FALLOCATE;
		1031	req->sv1 = newSVsv (fh);
		1032	req->int1 = fd;
		1033	req->int2 = mode;
		1034	req->offs = offset;
		1035	req->size = len;
		1036
		1037	REQ_SEND (req);
		1038	}
		1039
		1040	void
541	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1041	aio_close (SV *fh, SV *callback=&PL_sv_undef)
542	PROTOTYPE: $;$
543	PPCODE:	1042	PPCODE:
544	{	1043	{
545	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1044	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		1045	int fd = s_fileno_croak (fh, 0);
546	dREQ;	1046	dREQ;
547		1047
548	if (close_pipe < 0)	1048	if (close_pipe < 0)
549	{	1049	{
550	int pipefd [2];	1050	int pipefd [2];
…		…
558	}	1058	}
559		1059
560	req->type = EIO_DUP2;	1060	req->type = EIO_DUP2;
561	req->int1 = close_pipe;	1061	req->int1 = close_pipe;
562	req->sv2 = newSVsv (fh);	1062	req->sv2 = newSVsv (fh);
563	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1063	req->int2 = fd;
564		1064
565	REQ_SEND (req);	1065	REQ_SEND (req);
566	}	1066	}
567		1067
568	void	1068	void
569	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1069	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
570	ALIAS:	1070	ALIAS:
571	aio_read = EIO_READ	1071	aio_read = EIO_READ
572	aio_write = EIO_WRITE	1072	aio_write = EIO_WRITE
573	PROTOTYPE: $$$$$;$
574	PPCODE:	1073	PPCODE:
575	{	1074	{
576	STRLEN svlen;	1075	STRLEN svlen;
		1076	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
577	char *svptr = SvPVbyte (data, svlen);	1077	char *svptr = SvPVbyte (data, svlen);
578	UV len = SvUV (length);	1078	UV len = SvUV (length);
579
580	SvUPGRADE (data, SVt_PV);
581	SvPOK_on (data);
582		1079
583	if (dataoffset < 0)	1080	if (dataoffset < 0)
584	dataoffset += svlen;	1081	dataoffset += svlen;
585		1082
586	if (dataoffset < 0 || dataoffset > svlen)	1083	if (dataoffset < 0 || dataoffset > svlen)
…		…
592	if (!SvOK (length) || len + dataoffset > svlen)	1089	if (!SvOK (length) || len + dataoffset > svlen)
593	len = svlen - dataoffset;	1090	len = svlen - dataoffset;
594	}	1091	}
595	else	1092	else
596	{	1093	{
597	/* read: grow scalar as necessary */	1094	/* read: check type and grow scalar as necessary */
		1095	SvUPGRADE (data, SVt_PV);
598	svptr = SvGROW (data, len + dataoffset + 1);	1096	svptr = SvGROW (data, len + dataoffset + 1);
599	}	1097	}
600		1098
601	if (len < 0)
602	croak ("length must not be negative");
603
604	{	1099	{
605	dREQ;	1100	dREQ;
606		1101
607	req->type = ix;	1102	req->type = ix;
608	req->sv1 = newSVsv (fh);	1103	req->sv1 = newSVsv (fh);
609	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1104	req->int1 = fd;
610	: IoOFP (sv_2io (fh)));
611	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1105	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
612	req->size = len;	1106	req->size = len;
613	req->sv2 = SvREFCNT_inc (data);	1107	req->sv2 = SvREFCNT_inc (data);
614	req->ptr2 = (char *)svptr + dataoffset;	1108	req->ptr2 = (char *)svptr + dataoffset;
615	req->stroffset = dataoffset;	1109	req->stroffset = dataoffset;
…		…
624	}	1118	}
625	}	1119	}
626		1120
627	void	1121	void
628	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1122	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
629	PROTOTYPE: $$;$	1123	ALIAS:
		1124	aio_readlink = EIO_READLINK
		1125	aio_realpath = EIO_REALPATH
630	PPCODE:	1126	PPCODE:
631	{	1127	{
632	SV *data;	1128	SV *data;
633	dREQ;	1129	dREQ;
634		1130
635	data = newSV (NAME_MAX);
636	SvPOK_on (data);
637
638	req->type = EIO_READLINK;	1131	req->type = ix;
639	req->sv1 = newSVsv (path);	1132	req->sv1 = newSVsv (path);
640	req->ptr1 = SvPVbyte_nolen (req->sv1);	1133	req->ptr1 = SvPVbyte_nolen (req->sv1);
641	req->sv2 = data;
642	req->ptr2 = SvPVbyte_nolen (data);
643		1134
644	REQ_SEND;	1135	REQ_SEND;
645	}	1136	}
646		1137
647	void	1138	void
648	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1139	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
649	PROTOTYPE: $$$$;$
650	PPCODE:	1140	PPCODE:
651	{	1141	{
		1142	int ifd = s_fileno_croak (in_fh , 0);
		1143	int ofd = s_fileno_croak (out_fh, 1);
652	dREQ;	1144	dREQ;
653		1145
654	req->type = EIO_SENDFILE;	1146	req->type = EIO_SENDFILE;
655	req->sv1 = newSVsv (out_fh);	1147	req->sv1 = newSVsv (out_fh);
656	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1148	req->int1 = ofd;
657	req->sv2 = newSVsv (in_fh);	1149	req->sv2 = newSVsv (in_fh);
658	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1150	req->int2 = ifd;
659	req->offs = SvVAL64 (in_offset);	1151	req->offs = in_offset;
660	req->size = length;	1152	req->size = length;
661		1153
662	REQ_SEND;	1154	REQ_SEND;
663	}	1155	}
664		1156
665	void	1157	void
666	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1158	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
667	PROTOTYPE: $$$;$
668	PPCODE:	1159	PPCODE:
669	{	1160	{
		1161	int fd = s_fileno_croak (fh, 0);
670	dREQ;	1162	dREQ;
671		1163
672	req->type = EIO_READAHEAD;	1164	req->type = EIO_READAHEAD;
673	req->sv1 = newSVsv (fh);	1165	req->sv1 = newSVsv (fh);
674	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1166	req->int1 = fd;
675	req->offs = SvVAL64 (offset);	1167	req->offs = offset;
676	req->size = length;	1168	req->size = length;
677		1169
678	REQ_SEND;	1170	REQ_SEND;
679	}	1171	}
680		1172
681	void	1173	void
682	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1174	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
683	ALIAS:	1175	ALIAS:
684	aio_stat = EIO_STAT	1176	aio_stat = EIO_STAT
685	aio_lstat = EIO_LSTAT	1177	aio_lstat = EIO_LSTAT
		1178	aio_statvfs = EIO_STATVFS
686	PPCODE:	1179	PPCODE:
687	{	1180	{
688	dREQ;	1181	dREQ;
689		1182
690	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
691	if (!req->ptr2)
692	{
693	req_destroy (req);
694	croak ("out of memory during aio_stat statdata allocation");
695	}
696
697	req->flags |= EIO_FLAG_PTR2_FREE;
698	req->sv1 = newSVsv (fh_or_path);	1183	req->sv1 = newSVsv (fh_or_path);
699		1184
700	if (SvPOK (fh_or_path))	1185	if (SvPOK (req->sv1))
701	{	1186	{
702	req->type = ix;	1187	req->type = ix;
703	req->ptr1 = SvPVbyte_nolen (req->sv1);	1188	req->ptr1 = SvPVbyte_nolen (req->sv1);
704	}	1189	}
705	else	1190	else
706	{	1191	{
707	req->type = EIO_FSTAT;	1192	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
708	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1193	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
709	}	1194	}
710		1195
711	REQ_SEND;	1196	REQ_SEND;
712	}	1197	}
		1198
		1199	UV
		1200	major (UV dev)
		1201	ALIAS:
		1202	minor = 1
		1203	CODE:
		1204	RETVAL = ix ? major (dev) : minor (dev);
		1205	OUTPUT:
		1206	RETVAL
		1207
		1208	UV
		1209	makedev (UV maj, UV min)
		1210	CODE:
		1211	RETVAL = makedev (maj, min);
		1212	OUTPUT:
		1213	RETVAL
713		1214
714	void	1215	void
715	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1216	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
716	PPCODE:	1217	PPCODE:
717	{	1218	{
…		…
719		1220
720	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1221	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
721	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1222	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
722	req->sv1 = newSVsv (fh_or_path);	1223	req->sv1 = newSVsv (fh_or_path);
723		1224
724	if (SvPOK (fh_or_path))	1225	if (SvPOK (req->sv1))
725	{	1226	{
726	req->type = EIO_UTIME;	1227	req->type = EIO_UTIME;
727	req->ptr1 = SvPVbyte_nolen (req->sv1);	1228	req->ptr1 = SvPVbyte_nolen (req->sv1);
728	}	1229	}
729	else	1230	else
…		…
742	dREQ;	1243	dREQ;
743		1244
744	req->sv1 = newSVsv (fh_or_path);	1245	req->sv1 = newSVsv (fh_or_path);
745	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1246	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
746		1247
747	if (SvPOK (fh_or_path))	1248	if (SvPOK (req->sv1))
748	{	1249	{
749	req->type = EIO_TRUNCATE;	1250	req->type = EIO_TRUNCATE;
750	req->ptr1 = SvPVbyte_nolen (req->sv1);	1251	req->ptr1 = SvPVbyte_nolen (req->sv1);
751	}	1252	}
752	else	1253	else
…		…
760		1261
761	void	1262	void
762	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1263	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
763	ALIAS:	1264	ALIAS:
764	aio_chmod = EIO_CHMOD	1265	aio_chmod = EIO_CHMOD
765	aio_fchmod = EIO_FCHMOD
766	aio_mkdir = EIO_MKDIR	1266	aio_mkdir = EIO_MKDIR
767	PPCODE:	1267	PPCODE:
768	{	1268	{
769	dREQ;	1269	dREQ;
770		1270
771	req->type = ix;
772	req->int2 = mode;	1271	req->int2 = mode;
773	req->sv1 = newSVsv (fh_or_path);	1272	req->sv1 = newSVsv (fh_or_path);
774		1273
775	if (ix == EIO_FCHMOD)	1274	if (SvPOK (req->sv1))
776	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1275	{
		1276	req->type = ix;
		1277	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1278	}
777	else	1279	else
778	req->ptr1 = SvPVbyte_nolen (req->sv1);	1280	{
		1281	req->type = EIO_FCHMOD;
		1282	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1283	}
779		1284
780	REQ_SEND;	1285	REQ_SEND;
781	}	1286	}
782		1287
783	void	1288	void
…		…
788		1293
789	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1294	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
790	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1295	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
791	req->sv1 = newSVsv (fh_or_path);	1296	req->sv1 = newSVsv (fh_or_path);
792		1297
793	if (SvPOK (fh_or_path))	1298	if (SvPOK (req->sv1))
794	{	1299	{
795	req->type = EIO_CHOWN;	1300	req->type = EIO_CHOWN;
796	req->ptr1 = SvPVbyte_nolen (req->sv1);	1301	req->ptr1 = SvPVbyte_nolen (req->sv1);
797	}	1302	}
798	else	1303	else
…		…
803		1308
804	REQ_SEND;	1309	REQ_SEND;
805	}	1310	}
806		1311
807	void	1312	void
		1313	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1314	PPCODE:
		1315	{
		1316	dREQ;
		1317
		1318	req->type = EIO_READDIR;
		1319	req->sv1 = newSVsv (pathname);
		1320	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1321	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1322
		1323	if (flags & EIO_READDIR_DENTS)
		1324	req->int1 |= EIO_READDIR_CUSTOM2;
		1325
		1326	REQ_SEND;
		1327	}
		1328
		1329	void
808	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1330	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
809	ALIAS:	1331	ALIAS:
810	aio_unlink = EIO_UNLINK	1332	aio_unlink = EIO_UNLINK
811	aio_rmdir = EIO_RMDIR	1333	aio_rmdir = EIO_RMDIR
812	aio_readdir = EIO_READDIR	1334	aio_readdir = EIO_READDIR
…		…
854		1376
855	REQ_SEND;	1377	REQ_SEND;
856	}	1378	}
857		1379
858	void	1380	void
		1381	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1382	ALIAS:
		1383	aio_mtouch = EIO_MTOUCH
		1384	aio_msync = EIO_MSYNC
		1385	PPCODE:
		1386	{
		1387	STRLEN svlen;
		1388	char *svptr = SvPVbyte (data, svlen);
		1389	UV len = SvUV (length);
		1390
		1391	if (offset < 0)
		1392	offset += svlen;
		1393
		1394	if (offset < 0 || offset > svlen)
		1395	croak ("offset outside of scalar");
		1396
		1397	if (!SvOK (length) || len + offset > svlen)
		1398	len = svlen - offset;
		1399
		1400	{
		1401	dREQ;
		1402
		1403	req->type = ix;
		1404	req->sv2 = SvREFCNT_inc (data);
		1405	req->ptr2 = (char *)svptr + offset;
		1406	req->size = len;
		1407	req->int1 = flags;
		1408
		1409	REQ_SEND;
		1410	}
		1411	}
		1412
		1413	void
		1414	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1415	PPCODE:
		1416	{
		1417	STRLEN svlen;
		1418	char *svptr = SvPVbyte (data, svlen);
		1419	UV len = SvUV (length);
		1420
		1421	if (offset < 0)
		1422	offset += svlen;
		1423
		1424	if (offset < 0 || offset > svlen)
		1425	croak ("offset outside of scalar");
		1426
		1427	if (!SvOK (length) || len + offset > svlen)
		1428	len = svlen - offset;
		1429
		1430	{
		1431	dREQ;
		1432
		1433	req->type = EIO_MLOCK;
		1434	req->sv2 = SvREFCNT_inc (data);
		1435	req->ptr2 = (char *)svptr + offset;
		1436	req->size = len;
		1437
		1438	REQ_SEND;
		1439	}
		1440	}
		1441
		1442	void
		1443	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1444	PPCODE:
		1445	{
		1446	dREQ;
		1447
		1448	req->type = EIO_MLOCKALL;
		1449	req->int1 = flags;
		1450
		1451	REQ_SEND;
		1452	}
		1453
		1454	void
859	aio_busy (double delay, SV *callback=&PL_sv_undef)	1455	aio_busy (double delay, SV *callback=&PL_sv_undef)
860	PPCODE:	1456	PPCODE:
861	{	1457	{
862	dREQ;	1458	dREQ;
863		1459
…		…
867	REQ_SEND;	1463	REQ_SEND;
868	}	1464	}
869		1465
870	void	1466	void
871	aio_group (SV *callback=&PL_sv_undef)	1467	aio_group (SV *callback=&PL_sv_undef)
872	PROTOTYPE: ;$
873	PPCODE:	1468	PPCODE:
874	{	1469	{
875	dREQ;	1470	dREQ;
876		1471
877	req->type = EIO_GROUP;	1472	req->type = EIO_GROUP;
878		1473
879	eio_submit (req);	1474	req_submit (req);
880	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1475	XPUSHs (req_sv (req, aio_grp_stash));
881	}	1476	}
882		1477
883	void	1478	void
884	aio_nop (SV *callback=&PL_sv_undef)	1479	aio_nop (SV *callback=&PL_sv_undef)
885	ALIAS:	1480	ALIAS:
…		…
894	REQ_SEND;	1489	REQ_SEND;
895	}	1490	}
896		1491
897	int	1492	int
898	aioreq_pri (int pri = 0)	1493	aioreq_pri (int pri = 0)
899	PROTOTYPE: ;$
900	CODE:	1494	CODE:
901	RETVAL = next_pri - EIO_PRI_BIAS;	1495	RETVAL = next_pri;
902	if (items > 0)	1496	if (items > 0)
903	{	1497	{
904	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1498	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
905	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1499	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
906	next_pri = pri + EIO_PRI_BIAS;	1500	next_pri = pri;
907	}	1501	}
908	OUTPUT:	1502	OUTPUT:
909	RETVAL	1503	RETVAL
910		1504
911	void	1505	void
912	aioreq_nice (int nice = 0)	1506	aioreq_nice (int nice = 0)
913	CODE:	1507	CODE:
914	nice = next_pri - nice;	1508	nice = next_pri - nice;
915	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1509	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
916	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1510	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
917	next_pri = nice + EIO_PRI_BIAS;	1511	next_pri = nice;
918		1512
919	void	1513	void
920	flush ()	1514	flush ()
921	PROTOTYPE:
922	CODE:	1515	CODE:
923	while (nreqs)	1516	while (eio_nreqs ())
924	{	1517	{
925	poll_wait ();	1518	poll_wait ();
926	poll_cb ();	1519	poll_cb ();
927	}	1520	}
928		1521
929	int	1522	int
930	poll()	1523	poll ()
931	PROTOTYPE:
932	CODE:	1524	CODE:
933	poll_wait ();	1525	poll_wait ();
934	RETVAL = poll_cb ();	1526	RETVAL = poll_cb ();
935	OUTPUT:	1527	OUTPUT:
936	RETVAL	1528	RETVAL
937		1529
938	int	1530	int
939	poll_fileno()	1531	poll_fileno ()
940	PROTOTYPE:
941	CODE:	1532	CODE:
942	RETVAL = respipe [0];	1533	RETVAL = s_epipe_fd (&respipe);
943	OUTPUT:	1534	OUTPUT:
944	RETVAL	1535	RETVAL
945		1536
946	int	1537	int
947	poll_cb(...)	1538	poll_cb (...)
948	PROTOTYPE:	1539	PROTOTYPE:
949	CODE:	1540	CODE:
950	RETVAL = poll_cb ();	1541	RETVAL = poll_cb ();
951	OUTPUT:	1542	OUTPUT:
952	RETVAL	1543	RETVAL
953		1544
954	void	1545	void
955	poll_wait()	1546	poll_wait ()
956	PROTOTYPE:
957	CODE:	1547	CODE:
958	poll_wait ();	1548	poll_wait ();
959		1549
960	int	1550	int
961	nreqs()	1551	nreqs ()
962	PROTOTYPE:
963	CODE:	1552	CODE:
964	RETVAL = eio_nreqs ();	1553	RETVAL = eio_nreqs ();
965	OUTPUT:	1554	OUTPUT:
966	RETVAL	1555	RETVAL
967		1556
968	int	1557	int
969	nready()	1558	nready ()
970	PROTOTYPE:
971	CODE:	1559	CODE:
972	RETVAL = eio_nready ();	1560	RETVAL = eio_nready ();
973	OUTPUT:	1561	OUTPUT:
974	RETVAL	1562	RETVAL
975		1563
976	int	1564	int
977	npending()	1565	npending ()
978	PROTOTYPE:
979	CODE:	1566	CODE:
980	RETVAL = eio_npending ();	1567	RETVAL = eio_npending ();
981	OUTPUT:	1568	OUTPUT:
982	RETVAL	1569	RETVAL
983		1570
984	int	1571	int
985	nthreads()	1572	nthreads ()
986	PROTOTYPE:
987	CODE:	1573	CODE:
988	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1574	RETVAL = eio_nthreads ();
989	RETVAL = started;
990	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
991	OUTPUT:	1575	OUTPUT:
992	RETVAL	1576	RETVAL
		1577
		1578	int
		1579	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1580	CODE:
		1581	RETVAL = posix_fadvise (fh, offset, length, advice);
		1582	OUTPUT:
		1583	RETVAL
		1584
		1585	ssize_t
		1586	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1587	CODE:
		1588	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1589	OUTPUT:
		1590	RETVAL
		1591
		1592	void
		1593	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1594	PPCODE:
		1595	sv_unmagic (scalar, MMAP_MAGIC);
		1596	{
		1597	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1598	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1599	if (addr == (void *)-1)
		1600	XSRETURN_NO;
		1601
		1602	sv_force_normal (scalar);
		1603
		1604	/* we store the length in mg_obj, as namlen is I32 :/ */
		1605	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1606	->mg_obj = (SV *)length;
		1607
		1608	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1609
		1610	if (!(prot & PROT_WRITE))
		1611	SvREADONLY_on (scalar);
		1612
		1613	if (SvLEN (scalar))
		1614	Safefree (SvPVX (scalar));
		1615
		1616	SvPVX (scalar) = (char *)addr;
		1617	SvCUR_set (scalar, length);
		1618	SvLEN_set (scalar, 0);
		1619	SvPOK_only (scalar);
		1620
		1621	XSRETURN_YES;
		1622	}
		1623
		1624	void
		1625	munmap (SV *scalar)
		1626	CODE:
		1627	sv_unmagic (scalar, MMAP_MAGIC);
		1628
		1629	int
		1630	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1631	ALIAS:
		1632	mprotect = 1
		1633	CODE:
		1634	{
		1635	STRLEN svlen;
		1636	void *addr = SvPVbyte (scalar, svlen);
		1637	size_t len = SvUV (length);
		1638
		1639	if (offset < 0)
		1640	offset += svlen;
		1641
		1642	if (offset < 0 || offset > svlen)
		1643	croak ("offset outside of scalar");
		1644
		1645	if (!SvOK (length) || len + offset > svlen)
		1646	len = svlen - offset;
		1647
		1648	addr = (void *)(((intptr_t)addr) + offset);
		1649	eio_page_align (&addr, &len);
		1650
		1651	switch (ix)
		1652	{
		1653	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1654	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1655	}
		1656	}
		1657	OUTPUT:
		1658	RETVAL
		1659
		1660	int
		1661	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1662	CODE:
		1663	{
		1664	STRLEN svlen;
		1665	void *addr = SvPVbyte (scalar, svlen);
		1666	size_t len = SvUV (length);
		1667
		1668	if (offset < 0)
		1669	offset += svlen;
		1670
		1671	if (offset < 0 || offset > svlen)
		1672	croak ("offset outside of scalar");
		1673
		1674	if (!SvOK (length) || len + offset > svlen)
		1675	len = svlen - offset;
		1676
		1677	addr = (void *)(((intptr_t)addr) + offset);
		1678	eio_page_align (&addr, &len);
		1679	#if _POSIX_MEMLOCK_RANGE
		1680	RETVAL = munlock (addr, len);
		1681	#else
		1682	RETVAL = ((errno = ENOSYS), -1);
		1683	#endif
		1684	}
		1685	OUTPUT:
		1686	RETVAL
		1687
		1688	int
		1689	munlockall ()
		1690	CODE:
		1691	#if _POSIX_MEMLOCK
		1692	munlockall ();
		1693	#else
		1694	RETVAL = -1;
		1695	errno = ENOSYS;
		1696	#endif
		1697	OUTPUT:
		1698	RETVAL
		1699
		1700	void _on_next_submit (SV *cb)
		1701	CODE:
		1702	SvREFCNT_dec (on_next_submit);
		1703	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
993		1704
994	PROTOTYPES: DISABLE	1705	PROTOTYPES: DISABLE
995		1706
996	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1707	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
997		1708
…		…
1000	CODE:	1711	CODE:
1001	eio_cancel (req);	1712	eio_cancel (req);
1002		1713
1003	void	1714	void
1004	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1715	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1005	CODE:	1716	PPCODE:
		1717	{
		1718	if (GIMME_V != G_VOID)
		1719	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1720
		1721	if (items > 1)
		1722	{
		1723	SV *cb_cv =get_cb (callback);
		1724
1006	SvREFCNT_dec (req->callback);	1725	SvREFCNT_dec (req->callback);
1007	req->callback = newSVsv (callback);	1726	req->callback = SvREFCNT_inc (cb_cv);
		1727	}
		1728	}
1008		1729
1009	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1730	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1010		1731
1011	void	1732	void
1012	add (aio_req grp, ...)	1733	add (aio_req grp, ...)
…		…
1044	AV *av;	1765	AV *av;
1045		1766
1046	grp->errorno = errno;	1767	grp->errorno = errno;
1047		1768
1048	av = newAV ();	1769	av = newAV ();
		1770	av_extend (av, items - 1);
1049		1771
1050	for (i = 1; i < items; ++i )	1772	for (i = 1; i < items; ++i )
1051	av_push (av, newSVsv (ST (i)));	1773	av_push (av, newSVsv (ST (i)));
1052		1774
1053	SvREFCNT_dec (grp->sv1);	1775	SvREFCNT_dec (grp->sv1);
…		…
1067	void	1789	void
1068	feed (aio_req grp, SV *callback=&PL_sv_undef)	1790	feed (aio_req grp, SV *callback=&PL_sv_undef)
1069	CODE:	1791	CODE:
1070	{	1792	{
1071	SvREFCNT_dec (grp->sv2);	1793	SvREFCNT_dec (grp->sv2);
1072	grp->sv2 = newSVsv (callback);	1794	grp->sv2 = newSVsv (callback);
		1795	grp->feed = aio_grp_feed;
1073		1796
1074	if (grp->int2 <= 0)	1797	if (grp->int2 <= 0)
1075	grp->int2 = 2;	1798	grp->int2 = 2;
1076		1799
1077	eio_grp_limit (grp, grp->int2);	1800	eio_grp_limit (grp, grp->int2);

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