[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.123 by root, Sat May 17 12:17:25 2008 UTC vs.
Revision 1.163 by root, Sun Jan 10 23:44:02 2010 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_MAPPED_FILES
		22	# include <sys/mman.h>
		23	#endif
17		24
18	/* perl namespace pollution */	25	/* perl namespace pollution */
19	#undef VERSION	26	#undef VERSION
20		27
21	#ifdef _WIN32	28	#ifdef _WIN32
…		…
65	# include <signal.h>	72	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent	73	# define EIO_STRUCT_DIRENT struct dirent
67		74
68	#endif	75	#endif
69		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
70	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STAT Stat_t
71		84
72	/* use NV for 32 bit perls as it allows larger offsets */	85	/* use NV for 32 bit perls as it allows larger offsets */
73	#if IVSIZE >= 8	86	#if IVSIZE >= 8
		87	# define VAL64 IV
74	# define SvVAL64 SvIV	88	# define SvVAL64 SvIV
		89	# define newSVval64 newSViv
75	#else	90	#else
		91	# define VAL64 NV
76	# define SvVAL64 SvNV	92	# define SvVAL64 SvNV
		93	# define newSVval64 newSVnv
77	#endif	94	#endif
78		95
79	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
80	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 */
81		112
82	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV aio_stash, aio_req_stash, *aio_grp_stash;
83	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		114
85	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
86	SV *callback; \	116	SV *callback; \
87	SV sv1, sv2; \	117	SV sv1, sv2; \
88	STRLEN stroffset; \	118	STRLEN stroffset; \
…		…
90		120
91	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
92		122
93	#include "libeio/eio.h"	123	#include "libeio/eio.h"
94		124
		125	#ifndef POSIX_FADV_NORMAL
		126	# define POSIX_FADV_NORMAL 0
		127	# define NO_FADVISE 1
		128	#endif
		129	#ifndef POSIX_FADV_SEQUENTIAL
		130	# define POSIX_FADV_SEQUENTIAL 0
		131	#endif
		132	#ifndef POSIX_FADV_RANDOM
		133	# define POSIX_FADV_RANDOM 0
		134	#endif
		135	#ifndef POSIX_FADV_NOREUSE
		136	# define POSIX_FADV_NOREUSE 0
		137	#endif
		138	#ifndef POSIX_FADV_WILLNEED
		139	# define POSIX_FADV_WILLNEED 0
		140	#endif
		141	#ifndef POSIX_FADV_DONTNEED
		142	# define POSIX_FADV_DONTNEED 0
		143	#endif
		144
		145	#ifndef ST_NODEV
		146	# define ST_NODEV 0
		147	#endif
		148	#ifndef ST_NOEXEC
		149	# define ST_NOEXEC 0
		150	#endif
		151	#ifndef ST_SYNCHRONOUS
		152	# define ST_SYNCHRONOUS 0
		153	#endif
		154	#ifndef ST_MANDLOCK
		155	# define ST_MANDLOCK 0
		156	#endif
		157	#ifndef ST_WRITE
		158	# define ST_WRITE 0
		159	#endif
		160	#ifndef ST_APPEND
		161	# define ST_APPEND 0
		162	#endif
		163	#ifndef ST_IMMUTABLE
		164	# define ST_IMMUTABLE 0
		165	#endif
		166	#ifndef ST_NOATIME
		167	# define ST_NOATIME 0
		168	#endif
		169	#ifndef ST_NODIRATIME
		170	# define ST_NODIRATIME 0
		171	#endif
		172	#ifndef ST_RELATIME
		173	# define ST_RELATIME 0
		174	#endif
		175
		176	#ifndef MCL_CURRENT
		177	# define MCL_CURRENT 0
		178	#endif
		179	#ifndef MCL_FUTURE
		180	# define MCL_FUTURE 0
		181	#endif
		182
		183	#ifndef MAP_ANONYMOUS
		184	# ifdef MAP_ANON
		185	# define MAP_ANONYMOUS MAP_ANON
		186	# else
		187	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		188	# endif
		189	#endif
		190	#ifndef MAP_HUGETLB
		191	# define MAP_HUGETLB 0
		192	#endif
		193	#ifndef MAP_LOCKED
		194	# define MAP_LOCKED 0
		195	#endif
		196	#ifndef MAP_NORESERVE
		197	# define MAP_NORESERVE 0
		198	#endif
		199	#ifndef MAP_POPULATE
		200	# define MAP_POPULATE 0
		201	#endif
		202	#ifndef MAP_NONBLOCK
		203	# define MAP_NONBLOCK 0
		204	#endif
		205
		206	#ifndef PAGESIZE
		207	# define PAGESIZE sysconf (_SC_PAGESIZE)
		208	#endif
		209
95	static int req_invoke (eio_req *req);	210	static int req_invoke (eio_req *req);
96	#define EIO_FINISH(req) req_invoke (req)	211	#define EIO_FINISH(req) req_invoke (req)
97	static void aio_grp_feed (eio_req *grp);
98	#define EIO_FEED(req) aio_grp_feed (req)
99	static void req_destroy (eio_req *grp);	212	static void req_destroy (eio_req *grp);
100	#define EIO_DESTROY(req) req_destroy (req)	213	#define EIO_DESTROY(req) req_destroy (req)
101		214
102	enum {	215	enum {
103	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
110		223
111	static SV *on_next_submit;	224	static SV *on_next_submit;
112	static int next_pri = EIO_PRI_DEFAULT;	225	static int next_pri = EIO_PRI_DEFAULT;
113	static int max_outstanding;	226	static int max_outstanding;
114		227
115	static int respipe_osf [2], respipe [2] = { -1, -1 };	228	static s_epipe respipe;
116		229
117	static void req_destroy (aio_req req);	230	static void req_destroy (aio_req req);
118	static void req_cancel (aio_req req);	231	static void req_cancel (aio_req req);
119		232
120	static void want_poll (void)	233	static void want_poll (void)
121	{	234	{
122	/* write a dummy byte to the pipe so fh becomes ready */	235	/* write a dummy byte to the pipe so fh becomes ready */
123	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	236	s_epipe_signal (&respipe);
124	}	237	}
125		238
126	static void done_poll (void)	239	static void done_poll (void)
127	{	240	{
128	/* read any signals sent by the worker threads */	241	/* read any signals sent by the worker threads */
129	char buf [4];	242	s_epipe_drain (&respipe);
130	while (respipe_read (respipe [0], buf, 4) == 4)
131	;
132	}	243	}
133		244
134	/* must be called at most once */	245	/* must be called at most once */
135	static SV req_sv (aio_req req, const char klass)	246	static SV req_sv (aio_req req, HV stash)
136	{	247	{
137	if (!req->self)	248	if (!req->self)
138	{	249	{
139	req->self = (SV *)newHV ();	250	req->self = (SV *)newHV ();
140	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
141	}	252	}
142		253
143	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
144	}	255	}
145		256
146	static aio_req SvAIO_REQ (SV *sv)	257	static aio_req SvAIO_REQ (SV *sv)
147	{	258	{
148	MAGIC *mg;	259	MAGIC *mg;
149		260
150	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	261	if (!SvROK (sv)
		262	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		263	&& SvSTASH (SvRV (sv)) != aio_req_stash
		264	&& !sv_derived_from (sv, "IO::AIO::REQ")))
151	croak ("object of class " AIO_REQ_KLASS " expected");	265	croak ("object of class IO::AIO::REQ expected");
152		266
153	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
154		268
155	return mg ? (aio_req)mg->mg_ptr : 0;	269	return mg ? (aio_req)mg->mg_ptr : 0;
156	}	270	}
…		…
162	dSP;	276	dSP;
163		277
164	ENTER;	278	ENTER;
165	SAVETMPS;	279	SAVETMPS;
166	PUSHMARK (SP);	280	PUSHMARK (SP);
167	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	281	XPUSHs (req_sv (grp, aio_grp_stash));
168	PUTBACK;	282	PUTBACK;
169	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	283	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
170	SPAGAIN;	284	SPAGAIN;
171	FREETMPS;	285	FREETMPS;
172	LEAVE;	286	LEAVE;
…		…
175		289
176	static void req_submit (eio_req *req)	290	static void req_submit (eio_req *req)
177	{	291	{
178	eio_submit (req);	292	eio_submit (req);
179		293
180	if (on_next_submit)	294	if (expect_false (on_next_submit))
181	{	295	{
182	dSP;	296	dSP;
183	SV *cb = sv_2mortal (on_next_submit);	297	SV *cb = sv_2mortal (on_next_submit);
184		298
185	on_next_submit = 0;	299	on_next_submit = 0;
…		…
195	dSP;	309	dSP;
196		310
197	if (req->flags & FLAG_SV2_RO_OFF)	311	if (req->flags & FLAG_SV2_RO_OFF)
198	SvREADONLY_off (req->sv2);	312	SvREADONLY_off (req->sv2);
199		313
200	if (!EIO_CANCELLED (req) && SvOK (req->callback))	314	if (!EIO_CANCELLED (req) && req->callback)
201	{	315	{
202	ENTER;	316	ENTER;
203	SAVETMPS;	317	SAVETMPS;
204	PUSHMARK (SP);	318	PUSHMARK (SP);
205	EXTEND (SP, 1);	319	EXTEND (SP, 1);
…		…
211	SV *rv = &PL_sv_undef;	325	SV *rv = &PL_sv_undef;
212		326
213	if (req->result >= 0)	327	if (req->result >= 0)
214	{	328	{
215	int i;	329	int i;
216	char *buf = req->ptr2;	330	char names = (char )req->ptr2;
		331	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
217	AV *av = newAV ();	332	AV *av = newAV ();
218		333
219	av_extend (av, req->result - 1);	334	av_extend (av, req->result - 1);
220		335
221	for (i = 0; i < req->result; ++i)	336	for (i = 0; i < req->result; ++i)
222	{	337	{
223	SV *sv = newSVpv (buf, 0);	338	if (req->int1 & EIO_READDIR_DENTS)
		339	{
		340	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224		341
		342	if (req->int1 & EIO_READDIR_CUSTOM2)
		343	{
		344	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		345	AV *avent = newAV ();
		346
		347	av_extend (avent, 2);
		348
		349	if (!sv_type [ent->type])
		350	{
		351	sv_type [ent->type] = newSViv (ent->type);
		352	SvREADONLY_on (sv_type [ent->type]);
		353	}
		354
		355	av_store (avent, 0, namesv);
		356	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		357	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		358
		359	av_store (av, i, newRV_noinc ((SV *)avent));
		360	}
		361	else
225	av_store (av, i, sv);	362	av_store (av, i, namesv);
		363
		364	++ent;
		365	}
		366	else
		367	{
		368	SV *name = newSVpv (names, 0);
		369	av_store (av, i, name);
226	buf += SvCUR (sv) + 1;	370	names += SvCUR (name) + 1;
		371	}
227	}	372	}
228		373
229	rv = sv_2mortal (newRV_noinc ((SV *)av));	374	rv = sv_2mortal (newRV_noinc ((SV *)av));
230	}	375	}
231		376
232	PUSHs (rv);	377	PUSHs (rv);
		378
		379	if (req->int1 & EIO_READDIR_CUSTOM1)
		380	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
233	}	381	}
234	break;	382	break;
235		383
236	case EIO_OPEN:	384	case EIO_OPEN:
237	{	385	{
…		…
243	GV gv = (GV )sv_newmortal ();	391	GV gv = (GV )sv_newmortal ();
244	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	392	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
245	char sym [64];	393	char sym [64];
246	int symlen;	394	int symlen;
247		395
248	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	396	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
249	gv_init (gv, stash, sym, symlen, 0);	397	gv_init (gv, aio_stash, sym, symlen, 0);
250		398
251	symlen = snprintf (	399	symlen = snprintf (
252	sym,	400	sym,
253	sizeof (sym),	401	sizeof (sym),
254	"%s&=%d",	402	"%s&=%d",
255	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	403	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256	req->result	404	(int)req->result
257	);	405	);
258		406
259	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	407	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
260	fh = (SV *)gv;	408	fh = (SV *)gv;
261	}	409	}
262		410
263	PUSHs (fh);	411	PUSHs (fh);
264	}	412	}
		413	break;
		414
		415	case EIO_STATVFS:
		416	case EIO_FSTATVFS:
		417	{
		418	SV *rv = &PL_sv_undef;
		419
		420	if (req->result >= 0)
		421	{
		422	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		423	HV *hv = newHV ();
		424
		425	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		426
		427	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		428	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		429	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		430	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		431	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		432	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		433	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		434	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		435	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		436	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		437	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		438	}
		439
		440	PUSHs (rv);
		441	}
		442
265	break;	443	break;
266		444
267	case EIO_GROUP:	445	case EIO_GROUP:
268	req->int1 = 2; /* mark group as finished */	446	req->int1 = 2; /* mark group as finished */
269		447
…		…
295	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	473	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
296	PUSHs (sv_2mortal (newSViv (req->result)));	474	PUSHs (sv_2mortal (newSViv (req->result)));
297	break;	475	break;
298		476
299	case EIO_READ:	477	case EIO_READ:
		478	{
300	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	479	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
301	*SvEND (req->sv2) = 0;	480	*SvEND (req->sv2) = 0;
		481	SvPOK_only (req->sv2);
		482	SvSETMAGIC (req->sv2);
302	PUSHs (sv_2mortal (newSViv (req->result)));	483	PUSHs (sv_2mortal (newSViv (req->result)));
		484	}
303	break;	485	break;
304		486
305	case EIO_DUP2:	487	case EIO_DUP2:
306	if (req->result > 0)	488	if (req->result > 0)
307	req->result = 0;	489	req->result = 0;
…		…
353	grp->sv2 = 0;	535	grp->sv2 = 0;
354		536
355	eio_grp_cancel (grp);	537	eio_grp_cancel (grp);
356	}	538	}
357		539
358	#ifdef USE_SOCKETS_AS_HANDLES
359	# define TO_SOCKET(x) (win32_get_osfhandle (x))
360	#else
361	# define TO_SOCKET(x) (x)
362	#endif
363
364	static void	540	static void
365	create_respipe (void)	541	create_respipe (void)
366	{	542	{
367	int old_readfd = respipe [0];
368
369	if (respipe [1] >= 0)
370	respipe_close (TO_SOCKET (respipe [1]));
371
372	#ifdef _WIN32
373	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
374	#else
375	if (pipe (respipe))	543	if (s_epipe_renew (&respipe))
376	#endif
377	croak ("unable to initialize result pipe");	544	croak ("IO::AIO: unable to initialize result pipe");
378
379	if (old_readfd >= 0)
380	{
381	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
382	croak ("unable to initialize result pipe(2)");
383
384	respipe_close (respipe [0]);
385	respipe [0] = old_readfd;
386	}
387
388	#ifdef _WIN32
389	int arg = 1;
390	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
391	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
392	#else
393	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
394	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
395	#endif
396	croak ("unable to initialize result pipe(3)");
397
398	respipe_osf [0] = TO_SOCKET (respipe [0]);
399	respipe_osf [1] = TO_SOCKET (respipe [1]);
400	}	545	}
401		546
402	static void poll_wait (void)	547	static void poll_wait (void)
403	{	548	{
404	fd_set rfd;
405
406	while (eio_nreqs ())	549	while (eio_nreqs ())
407	{	550	{
408	int size;	551	int size;
409		552
410	X_LOCK (reslock);	553	X_LOCK (reslock);
…		…
414	if (size)	557	if (size)
415	return;	558	return;
416		559
417	etp_maybe_start_thread ();	560	etp_maybe_start_thread ();
418		561
419	FD_ZERO (&rfd);	562	s_epipe_wait (&respipe);
420	FD_SET (respipe [0], &rfd);
421
422	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423	}	563	}
424	}	564	}
425		565
426	static int poll_cb (void)	566	static int poll_cb (void)
427	{	567	{
428	int res;	568	for (;;)
429
430	do
431	{	569	{
432	res = eio_poll ();	570	int res = eio_poll ();
433		571
434	if (res > 0)	572	if (res > 0)
435	croak (0);	573	croak (0);
		574
		575	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		576	return res;
		577
		578	poll_wait ();
436	}	579	}
437	while (max_outstanding && max_outstanding <= eio_nreqs ());
438
439	return res;
440	}	580	}
441		581
442	static void atfork_child (void)	582	static void atfork_child (void)
443	{	583	{
444	create_respipe ();	584	create_respipe ();
445	}	585	}
446		586
		587	/*****************************************************************************/
		588
		589	#if !_POSIX_MAPPED_FILES
		590	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		591	# define munmap(addr,length) (errno = ENOSYS, -1)
		592	#endif
		593
		594	#define MMAP_MAGIC PERL_MAGIC_ext
		595
		596	static int
		597	mmap_free (pTHX_ SV sv, MAGIC mg)
		598	{
		599	int old_errno = errno;
		600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		601	errno = old_errno;
		602
		603	mg->mg_obj = 0; /* just in case */
		604
		605	SvREADONLY_off (sv);
		606	SvCUR_set (sv, 0);
		607	SvLEN_set (sv, 0);
		608	SvPVX (sv) = 0;
		609	SvOK_off (sv);
		610
		611	return 0;
		612	}
		613
		614	static MGVTBL mmap_vtbl = {
		615	0, 0, 0, 0, mmap_free
		616	};
		617
		618	/*****************************************************************************/
		619
		620	static SV *
		621	get_cb (SV *cb_sv)
		622	{
		623	SvGETMAGIC (cb_sv);
		624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		625	}
		626
447	#define dREQ \	627	#define dREQ \
		628	SV *cb_cv; \
448	aio_req req; \	629	aio_req req; \
449	int req_pri = next_pri; \	630	int req_pri = next_pri; \
450	next_pri = EIO_PRI_DEFAULT; \	631	next_pri = EIO_PRI_DEFAULT; \
451	\	632	\
452	if (SvOK (callback) && !SvROK (callback)) \	633	cb_cv = get_cb (callback); \
453	croak ("callback must be undef or of reference type"); \
454	\	634	\
455	Newz (0, req, 1, eio_req); \	635	Newz (0, req, 1, eio_req); \
456	if (!req) \	636	if (!req) \
457	croak ("out of memory during eio_req allocation"); \	637	croak ("out of memory during eio_req allocation"); \
458	\	638	\
459	req->callback = newSVsv (callback); \	639	req->callback = SvREFCNT_inc (cb_cv); \
460	req->pri = req_pri	640	req->pri = req_pri
461		641
462	#define REQ_SEND \	642	#define REQ_SEND \
		643	PUTBACK; \
463	req_submit (req); \	644	req_submit (req); \
		645	SPAGAIN; \
464	\	646	\
465	if (GIMME_V != G_VOID) \	647	if (GIMME_V != G_VOID) \
466	XPUSHs (req_sv (req, AIO_REQ_KLASS));	648	XPUSHs (req_sv (req, aio_req_stash));
467		649
468	MODULE = IO::AIO PACKAGE = IO::AIO	650	MODULE = IO::AIO PACKAGE = IO::AIO
469		651
470	PROTOTYPES: ENABLE	652	PROTOTYPES: ENABLE
471		653
472	BOOT:	654	BOOT:
473	{	655	{
474	stash = gv_stashpv ("IO::AIO", 1);	656	static const struct {
475		657	const char *name;
476	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	658	IV iv;
477	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	659	} *civ, const_iv[] = {
478	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	660	# define const_niv(name, value) { # name, (IV) value },
479	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	661	# define const_iv(name) { # name, (IV) name },
480	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	662	# define const_eio(name) { # name, (IV) EIO_ ## name },
		663	const_iv (EXDEV)
		664	const_iv (ENOSYS)
		665	const_iv (O_RDONLY)
		666	const_iv (O_WRONLY)
		667	const_iv (O_CREAT)
		668	const_iv (O_TRUNC)
481	#ifndef _WIN32	669	#ifndef _WIN32
482	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	670	const_iv (S_IFIFO)
483	#endif	671	#endif
		672	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		673	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		674	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		675	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		676	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		677	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
484		678
		679	const_iv (ST_RDONLY)
		680	const_iv (ST_NOSUID)
		681	const_iv (ST_NODEV)
		682	const_iv (ST_NOEXEC)
		683	const_iv (ST_SYNCHRONOUS)
		684	const_iv (ST_MANDLOCK)
		685	const_iv (ST_WRITE)
		686	const_iv (ST_APPEND)
		687	const_iv (ST_IMMUTABLE)
		688	const_iv (ST_NOATIME)
		689	const_iv (ST_NODIRATIME)
		690	const_iv (ST_RELATIME)
		691
		692	const_iv (PROT_EXEC)
		693	const_iv (PROT_NONE)
		694	const_iv (PROT_READ)
		695	const_iv (PROT_WRITE)
		696
		697	/const_iv (MAP_FIXED)/
		698	const_iv (MAP_PRIVATE)
		699	const_iv (MAP_SHARED)
		700	const_iv (MAP_ANONYMOUS)
		701
		702	/* linuxish */
		703	const_iv (MAP_HUGETLB)
		704	const_iv (MAP_LOCKED)
		705	const_iv (MAP_NORESERVE)
		706	const_iv (MAP_POPULATE)
		707	const_iv (MAP_NONBLOCK)
		708
		709	const_iv (MCL_FUTURE)
		710	const_iv (MCL_CURRENT)
		711
		712	const_eio (MS_ASYNC)
		713	const_eio (MS_INVALIDATE)
		714	const_eio (MS_SYNC)
		715
		716	const_eio (MT_MODIFY)
		717
		718	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		719	const_eio (SYNC_FILE_RANGE_WRITE)
		720	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		721
		722	const_eio (READDIR_DENTS)
		723	const_eio (READDIR_DIRS_FIRST)
		724	const_eio (READDIR_STAT_ORDER)
		725	const_eio (READDIR_FOUND_UNKNOWN)
		726
		727	const_eio (DT_UNKNOWN)
		728	const_eio (DT_FIFO)
		729	const_eio (DT_CHR)
		730	const_eio (DT_DIR)
		731	const_eio (DT_BLK)
		732	const_eio (DT_REG)
		733	const_eio (DT_LNK)
		734	const_eio (DT_SOCK)
		735	const_eio (DT_WHT)
		736	};
		737
		738	aio_stash = gv_stashpv ("IO::AIO" , 1);
		739	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		740	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		741
		742	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		743	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		744
		745	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		746
485	create_respipe ();	747	create_respipe ();
486		748
487	if (eio_init (want_poll, done_poll) < 0)	749	if (eio_init (want_poll, done_poll) < 0)
488	croak ("IO::AIO: unable to initialise eio library");	750	croak ("IO::AIO: unable to initialise eio library");
489		751
490	/* atfork child called in fifo order, so before eio's handler */	752	/* atfork child called in fifo order, so before eio's handler */
491	X_THREAD_ATFORK (0, 0, atfork_child);	753	X_THREAD_ATFORK (0, 0, atfork_child);
492	}	754	}
493		755
494	void	756	void
495	max_poll_reqs (int nreqs)	757	max_poll_reqs (int nreqs)
496	PROTOTYPE: $	758	PROTOTYPE: $
…		…
549	ALIAS:	811	ALIAS:
550	aio_fsync = EIO_FSYNC	812	aio_fsync = EIO_FSYNC
551	aio_fdatasync = EIO_FDATASYNC	813	aio_fdatasync = EIO_FDATASYNC
552	PPCODE:	814	PPCODE:
553	{	815	{
		816	int fd = s_fileno_croak (fh, 0);
554	dREQ;	817	dREQ;
555		818
556	req->type = ix;	819	req->type = ix;
557	req->sv1 = newSVsv (fh);	820	req->sv1 = newSVsv (fh);
558	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	821	req->int1 = fd;
		822
		823	REQ_SEND (req);
		824	}
		825
		826	void
		827	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		828	PROTOTYPE: $$$$;$
		829	PPCODE:
		830	{
		831	int fd = s_fileno_croak (fh, 0);
		832	dREQ;
		833
		834	req->type = EIO_SYNC_FILE_RANGE;
		835	req->sv1 = newSVsv (fh);
		836	req->int1 = fd;
		837	req->offs = offset;
		838	req->size = nbytes;
		839	req->int2 = flags;
559		840
560	REQ_SEND (req);	841	REQ_SEND (req);
561	}	842	}
562		843
563	void	844	void
564	aio_close (SV fh, SV callback=&PL_sv_undef)	845	aio_close (SV fh, SV callback=&PL_sv_undef)
565	PROTOTYPE: $;$	846	PROTOTYPE: $;$
566	PPCODE:	847	PPCODE:
567	{	848	{
568	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	849	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		850	int fd = s_fileno_croak (fh, 0);
569	dREQ;	851	dREQ;
570		852
571	if (close_pipe < 0)	853	if (close_pipe < 0)
572	{	854	{
573	int pipefd [2];	855	int pipefd [2];
…		…
581	}	863	}
582		864
583	req->type = EIO_DUP2;	865	req->type = EIO_DUP2;
584	req->int1 = close_pipe;	866	req->int1 = close_pipe;
585	req->sv2 = newSVsv (fh);	867	req->sv2 = newSVsv (fh);
586	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	868	req->int2 = fd;
587		869
588	REQ_SEND (req);	870	REQ_SEND (req);
589	}	871	}
590		872
591	void	873	void
…		…
595	aio_write = EIO_WRITE	877	aio_write = EIO_WRITE
596	PROTOTYPE: $$$$$;$	878	PROTOTYPE: $$$$$;$
597	PPCODE:	879	PPCODE:
598	{	880	{
599	STRLEN svlen;	881	STRLEN svlen;
		882	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600	char *svptr = SvPVbyte (data, svlen);	883	char *svptr = SvPVbyte (data, svlen);
601	UV len = SvUV (length);	884	UV len = SvUV (length);
602
603	SvUPGRADE (data, SVt_PV);
604	SvPOK_on (data);
605		885
606	if (dataoffset < 0)	886	if (dataoffset < 0)
607	dataoffset += svlen;	887	dataoffset += svlen;
608		888
609	if (dataoffset < 0 \|\| dataoffset > svlen)	889	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
615	if (!SvOK (length) \|\| len + dataoffset > svlen)	895	if (!SvOK (length) \|\| len + dataoffset > svlen)
616	len = svlen - dataoffset;	896	len = svlen - dataoffset;
617	}	897	}
618	else	898	else
619	{	899	{
620	/* read: grow scalar as necessary */	900	/* read: check type and grow scalar as necessary */
		901	SvUPGRADE (data, SVt_PV);
621	svptr = SvGROW (data, len + dataoffset + 1);	902	svptr = SvGROW (data, len + dataoffset + 1);
622	}	903	}
623		904
624	if (len < 0)
625	croak ("length must not be negative");
626
627	{	905	{
628	dREQ;	906	dREQ;
629		907
630	req->type = ix;	908	req->type = ix;
631	req->sv1 = newSVsv (fh);	909	req->sv1 = newSVsv (fh);
632	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	910	req->int1 = fd;
633	: IoOFP (sv_2io (fh)));
634	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	911	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635	req->size = len;	912	req->size = len;
636	req->sv2 = SvREFCNT_inc (data);	913	req->sv2 = SvREFCNT_inc (data);
637	req->ptr2 = (char *)svptr + dataoffset;	914	req->ptr2 = (char *)svptr + dataoffset;
638	req->stroffset = dataoffset;	915	req->stroffset = dataoffset;
…		…
661		938
662	REQ_SEND;	939	REQ_SEND;
663	}	940	}
664		941
665	void	942	void
666	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	943	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
667	PROTOTYPE: $$$$;$	944	PROTOTYPE: $$$$;$
668	PPCODE:	945	PPCODE:
669	{	946	{
		947	int ifd = s_fileno_croak (in_fh , 0);
		948	int ofd = s_fileno_croak (out_fh, 1);
670	dREQ;	949	dREQ;
671		950
672	req->type = EIO_SENDFILE;	951	req->type = EIO_SENDFILE;
673	req->sv1 = newSVsv (out_fh);	952	req->sv1 = newSVsv (out_fh);
674	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	953	req->int1 = ofd;
675	req->sv2 = newSVsv (in_fh);	954	req->sv2 = newSVsv (in_fh);
676	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	955	req->int2 = ifd;
677	req->offs = SvVAL64 (in_offset);	956	req->offs = in_offset;
678	req->size = length;	957	req->size = length;
679		958
680	REQ_SEND;	959	REQ_SEND;
681	}	960	}
682		961
683	void	962	void
684	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	963	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
685	PROTOTYPE: $$$;$	964	PROTOTYPE: $$$;$
686	PPCODE:	965	PPCODE:
687	{	966	{
		967	int fd = s_fileno_croak (fh, 0);
688	dREQ;	968	dREQ;
689		969
690	req->type = EIO_READAHEAD;	970	req->type = EIO_READAHEAD;
691	req->sv1 = newSVsv (fh);	971	req->sv1 = newSVsv (fh);
692	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	972	req->int1 = fd;
693	req->offs = SvVAL64 (offset);	973	req->offs = offset;
694	req->size = length;	974	req->size = length;
695		975
696	REQ_SEND;	976	REQ_SEND;
697	}	977	}
698		978
699	void	979	void
700	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	980	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
701	ALIAS:	981	ALIAS:
702	aio_stat = EIO_STAT	982	aio_stat = EIO_STAT
703	aio_lstat = EIO_LSTAT	983	aio_lstat = EIO_LSTAT
		984	aio_statvfs = EIO_STATVFS
704	PPCODE:	985	PPCODE:
705	{	986	{
706	dREQ;	987	dREQ;
707		988
708	req->sv1 = newSVsv (fh_or_path);	989	req->sv1 = newSVsv (fh_or_path);
…		…
712	req->type = ix;	993	req->type = ix;
713	req->ptr1 = SvPVbyte_nolen (req->sv1);	994	req->ptr1 = SvPVbyte_nolen (req->sv1);
714	}	995	}
715	else	996	else
716	{	997	{
717	req->type = EIO_FSTAT;	998	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
718	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	999	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
719	}	1000	}
720		1001
721	REQ_SEND;	1002	REQ_SEND;
722	}	1003	}
…		…
817		1098
818	REQ_SEND;	1099	REQ_SEND;
819	}	1100	}
820		1101
821	void	1102	void
		1103	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1104	PPCODE:
		1105	{
		1106	dREQ;
		1107
		1108	req->type = EIO_READDIR;
		1109	req->sv1 = newSVsv (pathname);
		1110	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1111	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1112
		1113	if (flags & EIO_READDIR_DENTS)
		1114	req->int1 \|= EIO_READDIR_CUSTOM2;
		1115
		1116	REQ_SEND;
		1117	}
		1118
		1119	void
822	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1120	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
823	ALIAS:	1121	ALIAS:
824	aio_unlink = EIO_UNLINK	1122	aio_unlink = EIO_UNLINK
825	aio_rmdir = EIO_RMDIR	1123	aio_rmdir = EIO_RMDIR
826	aio_readdir = EIO_READDIR	1124	aio_readdir = EIO_READDIR
…		…
868		1166
869	REQ_SEND;	1167	REQ_SEND;
870	}	1168	}
871		1169
872	void	1170	void
		1171	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1172	ALIAS:
		1173	aio_mtouch = EIO_MTOUCH
		1174	aio_msync = EIO_MSYNC
		1175	PROTOTYPE: $$$$;$
		1176	PPCODE:
		1177	{
		1178	STRLEN svlen;
		1179	UV len = SvUV (length);
		1180	char *svptr = SvPVbyte (data, svlen);
		1181
		1182	if (offset < 0)
		1183	offset += svlen;
		1184
		1185	if (offset < 0 \|\| offset > svlen)
		1186	croak ("offset outside of scalar");
		1187
		1188	if (!SvOK (length) \|\| len + offset > svlen)
		1189	len = svlen - offset;
		1190
		1191	{
		1192	dREQ;
		1193
		1194	req->type = ix;
		1195	req->size = len;
		1196	req->sv2 = SvREFCNT_inc (data);
		1197	req->ptr2 = (char *)svptr + offset;
		1198	req->int1 = flags;
		1199
		1200	REQ_SEND;
		1201	}
		1202	}
		1203
		1204	void
873	aio_busy (double delay, SV *callback=&PL_sv_undef)	1205	aio_busy (double delay, SV *callback=&PL_sv_undef)
874	PPCODE:	1206	PPCODE:
875	{	1207	{
876	dREQ;	1208	dREQ;
877		1209
…		…
888	{	1220	{
889	dREQ;	1221	dREQ;
890		1222
891	req->type = EIO_GROUP;	1223	req->type = EIO_GROUP;
892		1224
893	eio_submit (req);	1225	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1226	XPUSHs (req_sv (req, aio_grp_stash));
895	}	1227	}
896		1228
897	void	1229	void
898	aio_nop (SV *callback=&PL_sv_undef)	1230	aio_nop (SV *callback=&PL_sv_undef)
899	ALIAS:	1231	ALIAS:
…		…
951		1283
952	int	1284	int
953	poll_fileno()	1285	poll_fileno()
954	PROTOTYPE:	1286	PROTOTYPE:
955	CODE:	1287	CODE:
956	RETVAL = respipe [0];	1288	RETVAL = s_epipe_fd (&respipe);
957	OUTPUT:	1289	OUTPUT:
958	RETVAL	1290	RETVAL
959		1291
960	int	1292	int
961	poll_cb(...)	1293	poll_cb(...)
…		…
1001	CODE:	1333	CODE:
1002	RETVAL = eio_nthreads ();	1334	RETVAL = eio_nthreads ();
1003	OUTPUT:	1335	OUTPUT:
1004	RETVAL	1336	RETVAL
1005		1337
		1338	int
		1339	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1340	PROTOTYPE: $$$$
		1341	CODE:
		1342	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1343	RETVAL = posix_fadvise (fh, offset, length, advice);
		1344	#else
		1345	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
		1346	#endif
		1347	OUTPUT:
		1348	RETVAL
		1349
		1350	ssize_t
		1351	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1352	PROTOTYPE: $$$$
		1353	CODE:
		1354	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1355	OUTPUT:
		1356	RETVAL
		1357
		1358	void
		1359	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1360	PROTOTYPE: $$$$$;$
		1361	PPCODE:
		1362	sv_unmagic (scalar, MMAP_MAGIC);
		1363	{
		1364	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1365	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1366	if (addr == (void *)-1)
		1367	XSRETURN_NO;
		1368
		1369	/* we store the length in mg_obj, as namlen is I32 :/ */
		1370	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1371	->mg_obj = (SV *)length;
		1372
		1373	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1374	if (!(prot & PROT_WRITE))
		1375	SvREADONLY_on (scalar);
		1376
		1377	SvPVX (scalar) = (char *)addr;
		1378	SvCUR_set (scalar, length);
		1379	SvLEN_set (scalar, 0);
		1380	SvPOK_only (scalar);
		1381
		1382	XSRETURN_YES;
		1383	}
		1384
		1385	void
		1386	munmap (SV *scalar)
		1387	PROTOTYPE: $
		1388	CODE:
		1389	sv_unmagic (scalar, MMAP_MAGIC);
		1390
		1391	int
		1392	mlockall (int flags)
		1393	PROTOTYPE: $
		1394	CODE:
		1395	#if _POSIX_MEMLOCK
		1396	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1397	extern int mallopt (int, int);
		1398	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1399	#endif
		1400	mlockall (flags);
		1401	#else
		1402	RETVAL = -1;
		1403	errno = ENOSYS;
		1404	#endif
		1405	OUTPUT:
		1406	RETVAL
		1407
		1408	int
		1409	munlockall ()
		1410	PROTOTYPE:
		1411	CODE:
		1412	#if _POSIX_MEMLOCK
		1413	munlockall ();
		1414	#else
		1415	RETVAL = -1;
		1416	errno = ENOSYS;
		1417	#endif
		1418	OUTPUT:
		1419	RETVAL
		1420
1006	void _on_next_submit (SV *cb)	1421	void _on_next_submit (SV *cb)
1007	CODE:	1422	CODE:
1008	SvREFCNT_dec (on_next_submit);	1423	SvREFCNT_dec (on_next_submit);
1009	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1424	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010		1425
…		…
1017	CODE:	1432	CODE:
1018	eio_cancel (req);	1433	eio_cancel (req);
1019		1434
1020	void	1435	void
1021	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1436	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1022	CODE:	1437	PPCODE:
		1438	{
		1439	if (GIMME_V != G_VOID)
		1440	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1441
		1442	if (items > 1)
		1443	{
		1444	SV *cb_cv =get_cb (callback);
		1445
1023	SvREFCNT_dec (req->callback);	1446	SvREFCNT_dec (req->callback);
1024	req->callback = newSVsv (callback);	1447	req->callback = SvREFCNT_inc (cb_cv);
		1448	}
		1449	}
1025		1450
1026	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1451	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027		1452
1028	void	1453	void
1029	add (aio_req grp, ...)	1454	add (aio_req grp, ...)
…		…
1061	AV *av;	1486	AV *av;
1062		1487
1063	grp->errorno = errno;	1488	grp->errorno = errno;
1064		1489
1065	av = newAV ();	1490	av = newAV ();
		1491	av_extend (av, items - 1);
1066		1492
1067	for (i = 1; i < items; ++i )	1493	for (i = 1; i < items; ++i )
1068	av_push (av, newSVsv (ST (i)));	1494	av_push (av, newSVsv (ST (i)));
1069		1495
1070	SvREFCNT_dec (grp->sv1);	1496	SvREFCNT_dec (grp->sv1);
…		…
1084	void	1510	void
1085	feed (aio_req grp, SV *callback=&PL_sv_undef)	1511	feed (aio_req grp, SV *callback=&PL_sv_undef)
1086	CODE:	1512	CODE:
1087	{	1513	{
1088	SvREFCNT_dec (grp->sv2);	1514	SvREFCNT_dec (grp->sv2);
1089	grp->sv2 = newSVsv (callback);	1515	grp->sv2 = newSVsv (callback);
		1516	grp->feed = aio_grp_feed;
1090		1517
1091	if (grp->int2 <= 0)	1518	if (grp->int2 <= 0)
1092	grp->int2 = 2;	1519	grp->int2 = 2;
1093		1520
1094	eio_grp_limit (grp, grp->int2);	1521	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.123 by root, Sat May 17 12:17:25 2008 UTC vs. Revision 1.163 by root, Sun Jan 10 23:44:02 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.123 by root, Sat May 17 12:17:25 2008 UTC vs.
Revision 1.163 by root, Sun Jan 10 23:44:02 2010 UTC