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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.138 by root, Tue Apr 21 20:06:05 2009 UTC vs.
Revision 1.168 by root, Wed Aug 4 14:02:58 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
…		…
75		82
76	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STAT Stat_t
77		84
78	/* use NV for 32 bit perls as it allows larger offsets */	85	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	86	#if IVSIZE >= 8
		87	# define VAL64 IV
80	# define SvVAL64 SvIV	88	# define SvVAL64 SvIV
		89	# define newSVval64 newSViv
81	#else	90	#else
		91	# define VAL64 NV
82	# define SvVAL64 SvNV	92	# define SvVAL64 SvNV
		93	# define newSVval64 newSVnv
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;
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; \
107	STRLEN stroffset; \	118	STRLEN stroffset; \
…		…
109		120
110	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
111		122
112	#include "libeio/eio.h"	123	#include "libeio/eio.h"
113		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
114	static int req_invoke (eio_req *req);	210	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	211	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	212	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	213	#define EIO_DESTROY(req) req_destroy (req)
118		214
…		…
127		223
128	static SV *on_next_submit;	224	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	225	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	226	static int max_outstanding;
131		227
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	228	static s_epipe respipe;
133		229
134	static void req_destroy (aio_req req);	230	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	231	static void req_cancel (aio_req req);
136		232
137	static void want_poll (void)	233	static void want_poll (void)
138	{	234	{
139	/* write a dummy byte to the pipe so fh becomes ready */	235	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	236	s_epipe_signal (&respipe);
141	}	237	}
142		238
143	static void done_poll (void)	239	static void done_poll (void)
144	{	240	{
145	/* read any signals sent by the worker threads */	241	/* read any signals sent by the worker threads */
146	char buf [4];	242	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	243	}
150		244
151	/* must be called at most once */	245	/* must be called at most once */
152	static SV req_sv (aio_req req, const char klass)	246	static SV req_sv (aio_req req, HV stash)
153	{	247	{
154	if (!req->self)	248	if (!req->self)
155	{	249	{
156	req->self = (SV *)newHV ();	250	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	252	}
159		253
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	255	}
162		256
163	static aio_req SvAIO_REQ (SV *sv)	257	static aio_req SvAIO_REQ (SV *sv)
164	{	258	{
165	MAGIC *mg;	259	MAGIC *mg;
166		260
167	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")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	265	croak ("object of class IO::AIO::REQ expected");
169		266
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		268
172	return mg ? (aio_req)mg->mg_ptr : 0;	269	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	270	}
…		…
179	dSP;	276	dSP;
180		277
181	ENTER;	278	ENTER;
182	SAVETMPS;	279	SAVETMPS;
183	PUSHMARK (SP);	280	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	281	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	282	PUTBACK;
186	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	283	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
187	SPAGAIN;	284	SPAGAIN;
188	FREETMPS;	285	FREETMPS;
189	LEAVE;	286	LEAVE;
…		…
207	}	304	}
208	}	305	}
209		306
210	static int req_invoke (eio_req *req)	307	static int req_invoke (eio_req *req)
211	{	308	{
212	dSP;
213
214	if (req->flags & FLAG_SV2_RO_OFF)	309	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	310	SvREADONLY_off (req->sv2);
216		311
217	if (!EIO_CANCELLED (req) && req->callback)	312	if (!EIO_CANCELLED (req) && req->callback)
218	{	313	{
		314	dSP;
		315	static SV sv_result_cache; / caches the result integer SV */
		316	SV *sv_result;
		317
219	ENTER;	318	ENTER;
220	SAVETMPS;	319	SAVETMPS;
221	PUSHMARK (SP);	320	PUSHMARK (SP);
222	EXTEND (SP, 1);	321	EXTEND (SP, 1);
		322
		323	/* do not recreate the result IV from scratch each time */
		324	if (expect_true (sv_result_cache))
		325	{
		326	sv_result = sv_result_cache; sv_result_cache = 0;
		327	SvIV_set (sv_result, req->result);
		328	}
		329	else
		330	{
		331	sv_result = newSViv (req->result);
		332	SvREADONLY_on (sv_result);
		333	}
223		334
224	switch (req->type)	335	switch (req->type)
225	{	336	{
226	case EIO_READDIR:	337	case EIO_READDIR:
227	{	338	{
228	SV *rv = &PL_sv_undef;	339	SV *rv = &PL_sv_undef;
229		340
230	if (req->result >= 0)	341	if (req->result >= 0)
231	{	342	{
232	int i;	343	int i;
233	char *buf = req->ptr2;	344	char names = (char )req->ptr2;
		345	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
234	AV *av = newAV ();	346	AV *av = newAV ();
235		347
236	av_extend (av, req->result - 1);	348	av_extend (av, req->result - 1);
237		349
238	for (i = 0; i < req->result; ++i)	350	for (i = 0; i < req->result; ++i)
239	{	351	{
240	SV *sv = newSVpv (buf, 0);	352	if (req->int1 & EIO_READDIR_DENTS)
		353	{
		354	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		355
		356	if (req->int1 & EIO_READDIR_CUSTOM2)
		357	{
		358	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		359	AV *avent = newAV ();
		360
		361	av_extend (avent, 2);
		362
		363	if (!sv_type [ent->type])
		364	{
		365	sv_type [ent->type] = newSViv (ent->type);
		366	SvREADONLY_on (sv_type [ent->type]);
		367	}
		368
		369	av_store (avent, 0, namesv);
		370	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		371	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		372
		373	av_store (av, i, newRV_noinc ((SV *)avent));
		374	}
		375	else
242	av_store (av, i, sv);	376	av_store (av, i, namesv);
		377
		378	++ent;
		379	}
		380	else
		381	{
		382	SV *name = newSVpv (names, 0);
		383	av_store (av, i, name);
243	buf += SvCUR (sv) + 1;	384	names += SvCUR (name) + 1;
		385	}
244	}	386	}
245		387
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	388	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	389	}
248		390
249	PUSHs (rv);	391	PUSHs (rv);
		392
		393	if (req->int1 & EIO_READDIR_CUSTOM1)
		394	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
250	}	395	}
251	break;	396	break;
252		397
253	case EIO_OPEN:	398	case EIO_OPEN:
254	{	399	{
…		…
260	GV gv = (GV )sv_newmortal ();	405	GV gv = (GV )sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	406	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
262	char sym [64];	407	char sym [64];
263	int symlen;	408	int symlen;
264		409
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	410	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	411	gv_init (gv, aio_stash, sym, symlen, 0);
267		412
268	symlen = snprintf (	413	symlen = snprintf (
269	sym,	414	sym,
270	sizeof (sym),	415	sizeof (sym),
271	"%s&=%d",	416	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	417	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	418	(int)req->result
274	);	419	);
275		420
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	421	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	422	fh = (SV *)gv;
278	}	423	}
279		424
280	PUSHs (fh);	425	PUSHs (fh);
281	}	426	}
		427	break;
		428
		429	case EIO_STATVFS:
		430	case EIO_FSTATVFS:
		431	{
		432	SV *rv = &PL_sv_undef;
		433
		434	if (req->result >= 0)
		435	{
		436	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		437	HV *hv = newHV ();
		438
		439	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		440
		441	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		442	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		443	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		444	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		445	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		446	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		447	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		448	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		449	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		450	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		451	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		452	}
		453
		454	PUSHs (rv);
		455	}
		456
282	break;	457	break;
283		458
284	case EIO_GROUP:	459	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	460	req->int1 = 2; /* mark group as finished */
286		461
…		…
308	case EIO_LSTAT:	483	case EIO_LSTAT:
309	case EIO_FSTAT:	484	case EIO_FSTAT:
310	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	485	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
311	PL_laststatval = req->result;	486	PL_laststatval = req->result;
312	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	487	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	488	PUSHs (sv_result);
314	break;	489	break;
315		490
316	case EIO_READ:	491	case EIO_READ:
317	{	492	{
318	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	493	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
319	*SvEND (req->sv2) = 0;	494	*SvEND (req->sv2) = 0;
320	SvPOK_only (req->sv2);	495	SvPOK_only (req->sv2);
321	SvSETMAGIC (req->sv2);	496	SvSETMAGIC (req->sv2);
322	PUSHs (sv_2mortal (newSViv (req->result)));	497	PUSHs (sv_result);
323	}	498	}
324	break;	499	break;
325		500
326	case EIO_DUP2:	501	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
327	if (req->result > 0)	502	if (req->result > 0)
328	req->result = 0;	503	SvIV_set (sv_result, 0);
329	/* FALLTHROUGH */	504	/* FALLTHROUGH */
330		505
331	default:	506	default:
332	PUSHs (sv_2mortal (newSViv (req->result)));	507	PUSHs (sv_result);
333	break;	508	break;
334	}	509	}
335		510
336	errno = req->errorno;	511	errno = req->errorno;
337		512
338	PUTBACK;	513	PUTBACK;
339	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	514	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
340	SPAGAIN;	515	SPAGAIN;
		516
		517	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		518	SvREFCNT_dec (sv_result);
		519	else
		520	sv_result_cache = sv_result;
341		521
342	FREETMPS;	522	FREETMPS;
343	LEAVE;	523	LEAVE;
344		524
345	PUTBACK;	525	PUTBACK;
…		…
374	grp->sv2 = 0;	554	grp->sv2 = 0;
375		555
376	eio_grp_cancel (grp);	556	eio_grp_cancel (grp);
377	}	557	}
378		558
379	#ifdef USE_SOCKETS_AS_HANDLES
380	# define TO_SOCKET(x) (win32_get_osfhandle (x))
381	#else
382	# define TO_SOCKET(x) (x)
383	#endif
384
385	static void	559	static void
386	create_respipe (void)	560	create_respipe (void)
387	{	561	{
388	int old_readfd = respipe [0];
389
390	if (respipe [1] >= 0)
391	respipe_close (TO_SOCKET (respipe [1]));
392
393	#ifdef _WIN32
394	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
395	#else
396	if (pipe (respipe))	562	if (s_epipe_renew (&respipe))
397	#endif
398	croak ("unable to initialize result pipe");	563	croak ("IO::AIO: unable to initialize result pipe");
399
400	if (old_readfd >= 0)
401	{
402	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
403	croak ("unable to initialize result pipe(2)");
404
405	respipe_close (respipe [0]);
406	respipe [0] = old_readfd;
407	}
408
409	#ifdef _WIN32
410	int arg = 1;
411	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
412	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
413	#else
414	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
415	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
416	#endif
417	croak ("unable to initialize result pipe(3)");
418
419	respipe_osf [0] = TO_SOCKET (respipe [0]);
420	respipe_osf [1] = TO_SOCKET (respipe [1]);
421	}	564	}
422		565
423	static void poll_wait (void)	566	static void poll_wait (void)
424	{	567	{
425	fd_set rfd;
426
427	while (eio_nreqs ())	568	while (eio_nreqs ())
428	{	569	{
429	int size;	570	int size;
430		571
431	X_LOCK (reslock);	572	X_LOCK (reslock);
…		…
435	if (size)	576	if (size)
436	return;	577	return;
437		578
438	etp_maybe_start_thread ();	579	etp_maybe_start_thread ();
439		580
440	FD_ZERO (&rfd);	581	s_epipe_wait (&respipe);
441	FD_SET (respipe [0], &rfd);
442
443	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
444	}	582	}
445	}	583	}
446		584
447	static int poll_cb (void)	585	static int poll_cb (void)
448	{	586	{
…		…
463	static void atfork_child (void)	601	static void atfork_child (void)
464	{	602	{
465	create_respipe ();	603	create_respipe ();
466	}	604	}
467		605
		606	/*****************************************************************************/
		607
		608	#if !_POSIX_MAPPED_FILES
		609	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		610	# define munmap(addr,length) (errno = ENOSYS, -1)
		611	#endif
		612
		613	#define MMAP_MAGIC PERL_MAGIC_ext
		614
		615	static int
		616	mmap_free (pTHX_ SV sv, MAGIC mg)
		617	{
		618	int old_errno = errno;
		619	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		620	errno = old_errno;
		621
		622	mg->mg_obj = 0; /* just in case */
		623
		624	SvREADONLY_off (sv);
		625
		626	if (SvPVX (sv) != mg->mg_ptr)
		627	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		628
		629	SvCUR_set (sv, 0);
		630	SvPVX (sv) = 0;
		631	SvOK_off (sv);
		632
		633	return 0;
		634	}
		635
		636	static MGVTBL mmap_vtbl = {
		637	0, 0, 0, 0, mmap_free
		638	};
		639
		640	/*****************************************************************************/
		641
468	static SV *	642	static SV *
469	get_cb (SV *cb_sv)	643	get_cb (SV *cb_sv)
470	{	644	{
471	HV *st;	645	SvGETMAGIC (cb_sv);
472	GV *gvp;	646	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
473	CV *cv;
474
475	if (!SvOK (cb_sv))
476	return 0;
477
478	cv = sv_2cv (cb_sv, &st, &gvp, 0);
479
480	if (!cv)
481	croak ("IO::AIO callback must be undef or a CODE reference");
482
483	return (SV *)cv;
484	}	647	}
485		648
486	#define dREQ \	649	#define dREQ \
487	SV *cb_cv; \	650	SV *cb_cv; \
488	aio_req req; \	651	aio_req req; \
…		…
502	PUTBACK; \	665	PUTBACK; \
503	req_submit (req); \	666	req_submit (req); \
504	SPAGAIN; \	667	SPAGAIN; \
505	\	668	\
506	if (GIMME_V != G_VOID) \	669	if (GIMME_V != G_VOID) \
507	XPUSHs (req_sv (req, AIO_REQ_KLASS));	670	XPUSHs (req_sv (req, aio_req_stash));
508
509	static int
510	extract_fd (SV *fh, int wr)
511	{
512	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
513
514	if (fd < 0)
515	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
516
517	return fd;
518	}
519		671
520	MODULE = IO::AIO PACKAGE = IO::AIO	672	MODULE = IO::AIO PACKAGE = IO::AIO
521		673
522	PROTOTYPES: ENABLE	674	PROTOTYPES: ENABLE
523		675
524	BOOT:	676	BOOT:
525	{	677	{
526	stash = gv_stashpv ("IO::AIO", 1);	678	static const struct {
527		679	const char *name;
528	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	680	IV iv;
529	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	681	} *civ, const_iv[] = {
530	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	682	# define const_niv(name, value) { # name, (IV) value },
531	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	683	# define const_iv(name) { # name, (IV) name },
532	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	684	# define const_eio(name) { # name, (IV) EIO_ ## name },
		685	const_iv (EXDEV)
		686	const_iv (ENOSYS)
		687	const_iv (O_RDONLY)
		688	const_iv (O_WRONLY)
		689	const_iv (O_RDWR)
		690	const_iv (O_CREAT)
		691	const_iv (O_TRUNC)
		692	const_iv (O_EXCL)
		693	const_iv (O_APPEND)
533	#ifndef _WIN32	694	#ifndef _WIN32
534	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	695	const_iv (S_IFIFO)
535	#endif	696	#endif
536	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	697	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
537	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));	698	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
538	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));	699	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
539	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));	700	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		701	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		702	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
540		703
		704	const_iv (ST_RDONLY)
		705	const_iv (ST_NOSUID)
		706	const_iv (ST_NODEV)
		707	const_iv (ST_NOEXEC)
		708	const_iv (ST_SYNCHRONOUS)
		709	const_iv (ST_MANDLOCK)
		710	const_iv (ST_WRITE)
		711	const_iv (ST_APPEND)
		712	const_iv (ST_IMMUTABLE)
		713	const_iv (ST_NOATIME)
		714	const_iv (ST_NODIRATIME)
		715	const_iv (ST_RELATIME)
		716
		717	const_iv (PROT_EXEC)
		718	const_iv (PROT_NONE)
		719	const_iv (PROT_READ)
		720	const_iv (PROT_WRITE)
		721
		722	/const_iv (MAP_FIXED)/
		723	const_iv (MAP_PRIVATE)
		724	const_iv (MAP_SHARED)
		725	const_iv (MAP_ANONYMOUS)
		726
		727	/* linuxish */
		728	const_iv (MAP_HUGETLB)
		729	const_iv (MAP_LOCKED)
		730	const_iv (MAP_NORESERVE)
		731	const_iv (MAP_POPULATE)
		732	const_iv (MAP_NONBLOCK)
		733
		734	const_iv (MCL_FUTURE)
		735	const_iv (MCL_CURRENT)
		736
		737	const_eio (MS_ASYNC)
		738	const_eio (MS_INVALIDATE)
		739	const_eio (MS_SYNC)
		740
		741	const_eio (MT_MODIFY)
		742
		743	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		744	const_eio (SYNC_FILE_RANGE_WRITE)
		745	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		746
		747	const_eio (READDIR_DENTS)
		748	const_eio (READDIR_DIRS_FIRST)
		749	const_eio (READDIR_STAT_ORDER)
		750	const_eio (READDIR_FOUND_UNKNOWN)
		751
		752	const_eio (DT_UNKNOWN)
		753	const_eio (DT_FIFO)
		754	const_eio (DT_CHR)
		755	const_eio (DT_DIR)
		756	const_eio (DT_BLK)
		757	const_eio (DT_REG)
		758	const_eio (DT_LNK)
		759	const_eio (DT_SOCK)
		760	const_eio (DT_WHT)
		761	};
		762
		763	aio_stash = gv_stashpv ("IO::AIO" , 1);
		764	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		765	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		766
		767	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		768	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		769
		770	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		771
541	create_respipe ();	772	create_respipe ();
542		773
543	if (eio_init (want_poll, done_poll) < 0)	774	if (eio_init (want_poll, done_poll) < 0)
544	croak ("IO::AIO: unable to initialise eio library");	775	croak ("IO::AIO: unable to initialise eio library");
545		776
546	/* atfork child called in fifo order, so before eio's handler */	777	/* atfork child called in fifo order, so before eio's handler */
547	X_THREAD_ATFORK (0, 0, atfork_child);	778	X_THREAD_ATFORK (0, 0, atfork_child);
548	}	779	}
549		780
550	void	781	void
551	max_poll_reqs (int nreqs)	782	max_poll_reqs (int nreqs)
552	PROTOTYPE: $	783	PROTOTYPE: $
…		…
605	ALIAS:	836	ALIAS:
606	aio_fsync = EIO_FSYNC	837	aio_fsync = EIO_FSYNC
607	aio_fdatasync = EIO_FDATASYNC	838	aio_fdatasync = EIO_FDATASYNC
608	PPCODE:	839	PPCODE:
609	{	840	{
610	int fd = extract_fd (fh, 0);	841	int fd = s_fileno_croak (fh, 0);
611	dREQ;	842	dREQ;
612		843
613	req->type = ix;	844	req->type = ix;
614	req->sv1 = newSVsv (fh);	845	req->sv1 = newSVsv (fh);
615	req->int1 = fd;	846	req->int1 = fd;
616		847
617	REQ_SEND (req);	848	REQ_SEND (req);
618	}	849	}
619		850
620	void	851	void
621	aio_sync_file_range (SV fh, SV offset, SV nbytes, IV flags, SV callback=&PL_sv_undef)	852	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
622	PROTOTYPE: $$$$;$	853	PROTOTYPE: $$$$;$
623	PPCODE:	854	PPCODE:
624	{	855	{
625	int fd = extract_fd (fh, 0);	856	int fd = s_fileno_croak (fh, 0);
626	dREQ;	857	dREQ;
627		858
628	req->type = EIO_SYNC_FILE_RANGE;	859	req->type = EIO_SYNC_FILE_RANGE;
629	req->sv1 = newSVsv (fh);	860	req->sv1 = newSVsv (fh);
630	req->int1 = fd;	861	req->int1 = fd;
631	req->offs = SvVAL64 (offset);	862	req->offs = offset;
632	req->size = SvVAL64 (nbytes);	863	req->size = nbytes;
633	req->int2 = flags;	864	req->int2 = flags;
634		865
635	REQ_SEND (req);	866	REQ_SEND (req);
636	}	867	}
637		868
…		…
639	aio_close (SV fh, SV callback=&PL_sv_undef)	870	aio_close (SV fh, SV callback=&PL_sv_undef)
640	PROTOTYPE: $;$	871	PROTOTYPE: $;$
641	PPCODE:	872	PPCODE:
642	{	873	{
643	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	874	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
644	int fd = extract_fd (fh, 0);	875	int fd = s_fileno_croak (fh, 0);
645	dREQ;	876	dREQ;
646		877
647	if (close_pipe < 0)	878	if (close_pipe < 0)
648	{	879	{
649	int pipefd [2];	880	int pipefd [2];
…		…
671	aio_write = EIO_WRITE	902	aio_write = EIO_WRITE
672	PROTOTYPE: $$$$$;$	903	PROTOTYPE: $$$$$;$
673	PPCODE:	904	PPCODE:
674	{	905	{
675	STRLEN svlen;	906	STRLEN svlen;
676	int fd = extract_fd (fh, ix == EIO_WRITE);	907	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
677	char *svptr = SvPVbyte (data, svlen);	908	char *svptr = SvPVbyte (data, svlen);
678	UV len = SvUV (length);	909	UV len = SvUV (length);
679		910
680	if (dataoffset < 0)	911	if (dataoffset < 0)
681	dataoffset += svlen;	912	dataoffset += svlen;
…		…
694	/* read: check type and grow scalar as necessary */	925	/* read: check type and grow scalar as necessary */
695	SvUPGRADE (data, SVt_PV);	926	SvUPGRADE (data, SVt_PV);
696	svptr = SvGROW (data, len + dataoffset + 1);	927	svptr = SvGROW (data, len + dataoffset + 1);
697	}	928	}
698		929
699	if (len < 0)
700	croak ("length must not be negative");
701
702	{	930	{
703	dREQ;	931	dREQ;
704		932
705	req->type = ix;	933	req->type = ix;
706	req->sv1 = newSVsv (fh);	934	req->sv1 = newSVsv (fh);
…		…
735		963
736	REQ_SEND;	964	REQ_SEND;
737	}	965	}
738		966
739	void	967	void
740	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	968	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
741	PROTOTYPE: $$$$;$	969	PROTOTYPE: $$$$;$
742	PPCODE:	970	PPCODE:
743	{	971	{
744	int ifd = extract_fd (in_fh , 0);	972	int ifd = s_fileno_croak (in_fh , 0);
745	int ofd = extract_fd (out_fh, 0);	973	int ofd = s_fileno_croak (out_fh, 1);
746	dREQ;	974	dREQ;
747		975
748	req->type = EIO_SENDFILE;	976	req->type = EIO_SENDFILE;
749	req->sv1 = newSVsv (out_fh);	977	req->sv1 = newSVsv (out_fh);
750	req->int1 = ofd;	978	req->int1 = ofd;
751	req->sv2 = newSVsv (in_fh);	979	req->sv2 = newSVsv (in_fh);
752	req->int2 = ifd;	980	req->int2 = ifd;
753	req->offs = SvVAL64 (in_offset);	981	req->offs = in_offset;
754	req->size = length;	982	req->size = length;
755		983
756	REQ_SEND;	984	REQ_SEND;
757	}	985	}
758		986
759	void	987	void
760	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	988	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
761	PROTOTYPE: $$$;$	989	PROTOTYPE: $$$;$
762	PPCODE:	990	PPCODE:
763	{	991	{
764	int fd = extract_fd (fh, 0);	992	int fd = s_fileno_croak (fh, 0);
765	dREQ;	993	dREQ;
766		994
767	req->type = EIO_READAHEAD;	995	req->type = EIO_READAHEAD;
768	req->sv1 = newSVsv (fh);	996	req->sv1 = newSVsv (fh);
769	req->int1 = fd;	997	req->int1 = fd;
770	req->offs = SvVAL64 (offset);	998	req->offs = offset;
771	req->size = length;	999	req->size = length;
772		1000
773	REQ_SEND;	1001	REQ_SEND;
774	}	1002	}
775		1003
776	void	1004	void
777	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1005	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
778	ALIAS:	1006	ALIAS:
779	aio_stat = EIO_STAT	1007	aio_stat = EIO_STAT
780	aio_lstat = EIO_LSTAT	1008	aio_lstat = EIO_LSTAT
		1009	aio_statvfs = EIO_STATVFS
781	PPCODE:	1010	PPCODE:
782	{	1011	{
783	dREQ;	1012	dREQ;
784		1013
785	req->sv1 = newSVsv (fh_or_path);	1014	req->sv1 = newSVsv (fh_or_path);
…		…
789	req->type = ix;	1018	req->type = ix;
790	req->ptr1 = SvPVbyte_nolen (req->sv1);	1019	req->ptr1 = SvPVbyte_nolen (req->sv1);
791	}	1020	}
792	else	1021	else
793	{	1022	{
794	req->type = EIO_FSTAT;	1023	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
795	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1024	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
796	}	1025	}
797		1026
798	REQ_SEND;	1027	REQ_SEND;
799	}	1028	}
…		…
894		1123
895	REQ_SEND;	1124	REQ_SEND;
896	}	1125	}
897		1126
898	void	1127	void
		1128	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1129	PPCODE:
		1130	{
		1131	dREQ;
		1132
		1133	req->type = EIO_READDIR;
		1134	req->sv1 = newSVsv (pathname);
		1135	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1136	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1137
		1138	if (flags & EIO_READDIR_DENTS)
		1139	req->int1 \|= EIO_READDIR_CUSTOM2;
		1140
		1141	REQ_SEND;
		1142	}
		1143
		1144	void
899	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1145	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
900	ALIAS:	1146	ALIAS:
901	aio_unlink = EIO_UNLINK	1147	aio_unlink = EIO_UNLINK
902	aio_rmdir = EIO_RMDIR	1148	aio_rmdir = EIO_RMDIR
903	aio_readdir = EIO_READDIR	1149	aio_readdir = EIO_READDIR
…		…
945		1191
946	REQ_SEND;	1192	REQ_SEND;
947	}	1193	}
948		1194
949	void	1195	void
		1196	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1197	ALIAS:
		1198	aio_mtouch = EIO_MTOUCH
		1199	aio_msync = EIO_MSYNC
		1200	PROTOTYPE: $$$$;$
		1201	PPCODE:
		1202	{
		1203	STRLEN svlen;
		1204	UV len = SvUV (length);
		1205	char *svptr = SvPVbyte (data, svlen);
		1206
		1207	if (offset < 0)
		1208	offset += svlen;
		1209
		1210	if (offset < 0 \|\| offset > svlen)
		1211	croak ("offset outside of scalar");
		1212
		1213	if (!SvOK (length) \|\| len + offset > svlen)
		1214	len = svlen - offset;
		1215
		1216	{
		1217	dREQ;
		1218
		1219	req->type = ix;
		1220	req->size = len;
		1221	req->sv2 = SvREFCNT_inc (data);
		1222	req->ptr2 = (char *)svptr + offset;
		1223	req->int1 = flags;
		1224
		1225	REQ_SEND;
		1226	}
		1227	}
		1228
		1229	void
950	aio_busy (double delay, SV *callback=&PL_sv_undef)	1230	aio_busy (double delay, SV *callback=&PL_sv_undef)
951	PPCODE:	1231	PPCODE:
952	{	1232	{
953	dREQ;	1233	dREQ;
954		1234
…		…
966	dREQ;	1246	dREQ;
967		1247
968	req->type = EIO_GROUP;	1248	req->type = EIO_GROUP;
969		1249
970	req_submit (req);	1250	req_submit (req);
971	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1251	XPUSHs (req_sv (req, aio_grp_stash));
972	}	1252	}
973		1253
974	void	1254	void
975	aio_nop (SV *callback=&PL_sv_undef)	1255	aio_nop (SV *callback=&PL_sv_undef)
976	ALIAS:	1256	ALIAS:
…		…
1028		1308
1029	int	1309	int
1030	poll_fileno()	1310	poll_fileno()
1031	PROTOTYPE:	1311	PROTOTYPE:
1032	CODE:	1312	CODE:
1033	RETVAL = respipe [0];	1313	RETVAL = s_epipe_fd (&respipe);
1034	OUTPUT:	1314	OUTPUT:
1035	RETVAL	1315	RETVAL
1036		1316
1037	int	1317	int
1038	poll_cb(...)	1318	poll_cb(...)
…		…
1078	CODE:	1358	CODE:
1079	RETVAL = eio_nthreads ();	1359	RETVAL = eio_nthreads ();
1080	OUTPUT:	1360	OUTPUT:
1081	RETVAL	1361	RETVAL
1082		1362
		1363	int
		1364	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1365	PROTOTYPE: $$$$
		1366	CODE:
		1367	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1368	RETVAL = posix_fadvise (fh, offset, length, advice);
		1369	#else
		1370	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
		1371	#endif
		1372	OUTPUT:
		1373	RETVAL
		1374
		1375	ssize_t
		1376	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1377	PROTOTYPE: $$$$
		1378	CODE:
		1379	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1380	OUTPUT:
		1381	RETVAL
		1382
		1383	void
		1384	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1385	PROTOTYPE: $$$$$;$
		1386	PPCODE:
		1387	sv_unmagic (scalar, MMAP_MAGIC);
		1388	{
		1389	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1390	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1391	if (addr == (void *)-1)
		1392	XSRETURN_NO;
		1393
		1394	sv_force_normal (scalar);
		1395
		1396	/* we store the length in mg_obj, as namlen is I32 :/ */
		1397	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1398	->mg_obj = (SV *)length;
		1399
		1400	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1401
		1402	if (!(prot & PROT_WRITE))
		1403	SvREADONLY_on (scalar);
		1404
		1405	if (SvLEN (scalar))
		1406	Safefree (SvPVX (scalar));
		1407
		1408	SvPVX (scalar) = (char *)addr;
		1409	SvCUR_set (scalar, length);
		1410	SvLEN_set (scalar, 0);
		1411	SvPOK_only (scalar);
		1412
		1413	XSRETURN_YES;
		1414	}
		1415
		1416	void
		1417	munmap (SV *scalar)
		1418	PROTOTYPE: $
		1419	CODE:
		1420	sv_unmagic (scalar, MMAP_MAGIC);
		1421
		1422	int
		1423	mlockall (int flags)
		1424	PROTOTYPE: $
		1425	CODE:
		1426	#if _POSIX_MEMLOCK
		1427	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1428	extern int mallopt (int, int);
		1429	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1430	#endif
		1431	mlockall (flags);
		1432	#else
		1433	RETVAL = -1;
		1434	errno = ENOSYS;
		1435	#endif
		1436	OUTPUT:
		1437	RETVAL
		1438
		1439	int
		1440	munlockall ()
		1441	PROTOTYPE:
		1442	CODE:
		1443	#if _POSIX_MEMLOCK
		1444	munlockall ();
		1445	#else
		1446	RETVAL = -1;
		1447	errno = ENOSYS;
		1448	#endif
		1449	OUTPUT:
		1450	RETVAL
		1451
1083	void _on_next_submit (SV *cb)	1452	void _on_next_submit (SV *cb)
1084	CODE:	1453	CODE:
1085	SvREFCNT_dec (on_next_submit);	1454	SvREFCNT_dec (on_next_submit);
1086	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1455	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1087		1456
…		…
1101	if (GIMME_V != G_VOID)	1470	if (GIMME_V != G_VOID)
1102	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1471	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1103		1472
1104	if (items > 1)	1473	if (items > 1)
1105	{	1474	{
1106	SV *cb_cv = get_cb (callback);	1475	SV *cb_cv =get_cb (callback);
1107		1476
1108	SvREFCNT_dec (req->callback);	1477	SvREFCNT_dec (req->callback);
1109	req->callback = SvREFCNT_inc (cb_cv);	1478	req->callback = SvREFCNT_inc (cb_cv);
1110	}	1479	}
1111	}	1480	}
…		…
1148	AV *av;	1517	AV *av;
1149		1518
1150	grp->errorno = errno;	1519	grp->errorno = errno;
1151		1520
1152	av = newAV ();	1521	av = newAV ();
		1522	av_extend (av, items - 1);
1153		1523
1154	for (i = 1; i < items; ++i )	1524	for (i = 1; i < items; ++i )
1155	av_push (av, newSVsv (ST (i)));	1525	av_push (av, newSVsv (ST (i)));
1156		1526
1157	SvREFCNT_dec (grp->sv1);	1527	SvREFCNT_dec (grp->sv1);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.138 by root, Tue Apr 21 20:06:05 2009 UTC vs. Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.138 by root, Tue Apr 21 20:06:05 2009 UTC vs.
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC