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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.135 by root, Sun Apr 19 13:06:15 2009 UTC vs.
Revision 1.165 by root, Sun May 9 20:42:55 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;
…		…
214	if (req->flags & FLAG_SV2_RO_OFF)	311	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	312	SvREADONLY_off (req->sv2);
216		313
217	if (!EIO_CANCELLED (req) && req->callback)	314	if (!EIO_CANCELLED (req) && req->callback)
218	{	315	{
		316	static SV sv_result_cache; / caches the result integer SV */
		317	SV *sv_result;
		318
219	ENTER;	319	ENTER;
220	SAVETMPS;	320	SAVETMPS;
221	PUSHMARK (SP);	321	PUSHMARK (SP);
222	EXTEND (SP, 1);	322	EXTEND (SP, 1);
		323
		324	/* do not recreate the result IV from scratch each time */
		325	if (expect_true (sv_result_cache))
		326	{
		327	sv_result = sv_result_cache; sv_result_cache = 0;
		328	SvIV_set (sv_result, req->result);
		329	}
		330	else
		331	{
		332	sv_result = newSViv (req->result);
		333	SvREADONLY_on (sv_result);
		334	}
223		335
224	switch (req->type)	336	switch (req->type)
225	{	337	{
226	case EIO_READDIR:	338	case EIO_READDIR:
227	{	339	{
228	SV *rv = &PL_sv_undef;	340	SV *rv = &PL_sv_undef;
229		341
230	if (req->result >= 0)	342	if (req->result >= 0)
231	{	343	{
232	int i;	344	int i;
233	char *buf = req->ptr2;	345	char names = (char )req->ptr2;
		346	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
234	AV *av = newAV ();	347	AV *av = newAV ();
235		348
236	av_extend (av, req->result - 1);	349	av_extend (av, req->result - 1);
237		350
238	for (i = 0; i < req->result; ++i)	351	for (i = 0; i < req->result; ++i)
239	{	352	{
240	SV *sv = newSVpv (buf, 0);	353	if (req->int1 & EIO_READDIR_DENTS)
		354	{
		355	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		356
		357	if (req->int1 & EIO_READDIR_CUSTOM2)
		358	{
		359	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		360	AV *avent = newAV ();
		361
		362	av_extend (avent, 2);
		363
		364	if (!sv_type [ent->type])
		365	{
		366	sv_type [ent->type] = newSViv (ent->type);
		367	SvREADONLY_on (sv_type [ent->type]);
		368	}
		369
		370	av_store (avent, 0, namesv);
		371	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		372	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		373
		374	av_store (av, i, newRV_noinc ((SV *)avent));
		375	}
		376	else
242	av_store (av, i, sv);	377	av_store (av, i, namesv);
		378
		379	++ent;
		380	}
		381	else
		382	{
		383	SV *name = newSVpv (names, 0);
		384	av_store (av, i, name);
243	buf += SvCUR (sv) + 1;	385	names += SvCUR (name) + 1;
		386	}
244	}	387	}
245		388
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	389	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	390	}
248		391
249	PUSHs (rv);	392	PUSHs (rv);
		393
		394	if (req->int1 & EIO_READDIR_CUSTOM1)
		395	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
250	}	396	}
251	break;	397	break;
252		398
253	case EIO_OPEN:	399	case EIO_OPEN:
254	{	400	{
…		…
260	GV gv = (GV )sv_newmortal ();	406	GV gv = (GV )sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	407	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
262	char sym [64];	408	char sym [64];
263	int symlen;	409	int symlen;
264		410
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	411	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	412	gv_init (gv, aio_stash, sym, symlen, 0);
267		413
268	symlen = snprintf (	414	symlen = snprintf (
269	sym,	415	sym,
270	sizeof (sym),	416	sizeof (sym),
271	"%s&=%d",	417	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	418	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	419	(int)req->result
274	);	420	);
275		421
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	422	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	423	fh = (SV *)gv;
278	}	424	}
279		425
280	PUSHs (fh);	426	PUSHs (fh);
281	}	427	}
		428	break;
		429
		430	case EIO_STATVFS:
		431	case EIO_FSTATVFS:
		432	{
		433	SV *rv = &PL_sv_undef;
		434
		435	if (req->result >= 0)
		436	{
		437	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		438	HV *hv = newHV ();
		439
		440	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		441
		442	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		443	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		444	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		445	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		446	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		447	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		448	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		449	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		450	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		451	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		452	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		453	}
		454
		455	PUSHs (rv);
		456	}
		457
282	break;	458	break;
283		459
284	case EIO_GROUP:	460	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	461	req->int1 = 2; /* mark group as finished */
286		462
…		…
308	case EIO_LSTAT:	484	case EIO_LSTAT:
309	case EIO_FSTAT:	485	case EIO_FSTAT:
310	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	486	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
311	PL_laststatval = req->result;	487	PL_laststatval = req->result;
312	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	488	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	489	PUSHs (sv_result);
314	break;	490	break;
315		491
316	case EIO_READ:	492	case EIO_READ:
		493	{
317	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	494	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
318	*SvEND (req->sv2) = 0;	495	*SvEND (req->sv2) = 0;
319	PUSHs (sv_2mortal (newSViv (req->result)));	496	SvPOK_only (req->sv2);
		497	SvSETMAGIC (req->sv2);
		498	PUSHs (sv_result);
		499	}
320	break;	500	break;
321		501
322	case EIO_DUP2:	502	case EIO_DUP2:
323	if (req->result > 0)	503	if (req->result > 0)
324	req->result = 0;	504	SvIV_set (sv_result, 0);
325	/* FALLTHROUGH */	505	/* FALLTHROUGH */
326		506
327	default:	507	default:
328	PUSHs (sv_2mortal (newSViv (req->result)));	508	PUSHs (sv_result);
329	break;	509	break;
330	}	510	}
331		511
332	errno = req->errorno;	512	errno = req->errorno;
333		513
334	PUTBACK;	514	PUTBACK;
335	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	515	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
336	SPAGAIN;	516	SPAGAIN;
		517
		518	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		519	SvREFCNT_dec (sv_result);
		520	else
		521	sv_result_cache = sv_result;
337		522
338	FREETMPS;	523	FREETMPS;
339	LEAVE;	524	LEAVE;
340		525
341	PUTBACK;	526	PUTBACK;
…		…
370	grp->sv2 = 0;	555	grp->sv2 = 0;
371		556
372	eio_grp_cancel (grp);	557	eio_grp_cancel (grp);
373	}	558	}
374		559
375	#ifdef USE_SOCKETS_AS_HANDLES
376	# define TO_SOCKET(x) (win32_get_osfhandle (x))
377	#else
378	# define TO_SOCKET(x) (x)
379	#endif
380
381	static void	560	static void
382	create_respipe (void)	561	create_respipe (void)
383	{	562	{
384	int old_readfd = respipe [0];
385
386	if (respipe [1] >= 0)
387	respipe_close (TO_SOCKET (respipe [1]));
388
389	#ifdef _WIN32
390	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
391	#else
392	if (pipe (respipe))	563	if (s_epipe_renew (&respipe))
393	#endif
394	croak ("unable to initialize result pipe");	564	croak ("IO::AIO: unable to initialize result pipe");
395
396	if (old_readfd >= 0)
397	{
398	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
399	croak ("unable to initialize result pipe(2)");
400
401	respipe_close (respipe [0]);
402	respipe [0] = old_readfd;
403	}
404
405	#ifdef _WIN32
406	int arg = 1;
407	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
408	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
409	#else
410	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
411	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
412	#endif
413	croak ("unable to initialize result pipe(3)");
414
415	respipe_osf [0] = TO_SOCKET (respipe [0]);
416	respipe_osf [1] = TO_SOCKET (respipe [1]);
417	}	565	}
418		566
419	static void poll_wait (void)	567	static void poll_wait (void)
420	{	568	{
421	fd_set rfd;
422
423	while (eio_nreqs ())	569	while (eio_nreqs ())
424	{	570	{
425	int size;	571	int size;
426		572
427	X_LOCK (reslock);	573	X_LOCK (reslock);
…		…
431	if (size)	577	if (size)
432	return;	578	return;
433		579
434	etp_maybe_start_thread ();	580	etp_maybe_start_thread ();
435		581
436	FD_ZERO (&rfd);	582	s_epipe_wait (&respipe);
437	FD_SET (respipe [0], &rfd);
438
439	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
440	}	583	}
441	}	584	}
442		585
443	static int poll_cb (void)	586	static int poll_cb (void)
444	{	587	{
…		…
459	static void atfork_child (void)	602	static void atfork_child (void)
460	{	603	{
461	create_respipe ();	604	create_respipe ();
462	}	605	}
463		606
		607	/*****************************************************************************/
		608
		609	#if !_POSIX_MAPPED_FILES
		610	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		611	# define munmap(addr,length) (errno = ENOSYS, -1)
		612	#endif
		613
		614	#define MMAP_MAGIC PERL_MAGIC_ext
		615
		616	static int
		617	mmap_free (pTHX_ SV sv, MAGIC mg)
		618	{
		619	int old_errno = errno;
		620	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		621	errno = old_errno;
		622
		623	mg->mg_obj = 0; /* just in case */
		624
		625	SvREADONLY_off (sv);
		626	SvCUR_set (sv, 0);
		627	SvLEN_set (sv, 0);
		628	SvPVX (sv) = 0;
		629	SvOK_off (sv);
		630
		631	return 0;
		632	}
		633
		634	static MGVTBL mmap_vtbl = {
		635	0, 0, 0, 0, mmap_free
		636	};
		637
		638	/*****************************************************************************/
		639
464	static SV *	640	static SV *
465	get_cb (SV *cb_sv)	641	get_cb (SV *cb_sv)
466	{	642	{
467	HV *st;	643	SvGETMAGIC (cb_sv);
468	GV *gvp;	644	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
469	CV *cv;
470
471	if (!SvOK (cb_sv))
472	return 0;
473
474	cv = sv_2cv (cb_sv, &st, &gvp, 0);
475
476	if (!cv)
477	croak ("IO::AIO callback must be undef or a CODE reference");
478
479	return (SV *)cv;
480	}	645	}
481		646
482	#define dREQ \	647	#define dREQ \
483	SV *cb_cv; \	648	SV *cb_cv; \
484	aio_req req; \	649	aio_req req; \
…		…
498	PUTBACK; \	663	PUTBACK; \
499	req_submit (req); \	664	req_submit (req); \
500	SPAGAIN; \	665	SPAGAIN; \
501	\	666	\
502	if (GIMME_V != G_VOID) \	667	if (GIMME_V != G_VOID) \
503	XPUSHs (req_sv (req, AIO_REQ_KLASS));	668	XPUSHs (req_sv (req, aio_req_stash));
504		669
505	MODULE = IO::AIO PACKAGE = IO::AIO	670	MODULE = IO::AIO PACKAGE = IO::AIO
506		671
507	PROTOTYPES: ENABLE	672	PROTOTYPES: ENABLE
508		673
509	BOOT:	674	BOOT:
510	{	675	{
511	stash = gv_stashpv ("IO::AIO", 1);	676	static const struct {
512		677	const char *name;
513	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	678	IV iv;
514	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	679	} *civ, const_iv[] = {
515	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	680	# define const_niv(name, value) { # name, (IV) value },
516	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	681	# define const_iv(name) { # name, (IV) name },
517	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	682	# define const_eio(name) { # name, (IV) EIO_ ## name },
		683	const_iv (EXDEV)
		684	const_iv (ENOSYS)
		685	const_iv (O_RDONLY)
		686	const_iv (O_WRONLY)
		687	const_iv (O_RDWR)
		688	const_iv (O_CREAT)
		689	const_iv (O_TRUNC)
		690	const_iv (O_EXCL)
		691	const_iv (O_APPEND)
518	#ifndef _WIN32	692	#ifndef _WIN32
519	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	693	const_iv (S_IFIFO)
520	#endif	694	#endif
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	695	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
522	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));	696	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
523	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));	697	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
524	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));	698	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		699	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		700	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
525		701
		702	const_iv (ST_RDONLY)
		703	const_iv (ST_NOSUID)
		704	const_iv (ST_NODEV)
		705	const_iv (ST_NOEXEC)
		706	const_iv (ST_SYNCHRONOUS)
		707	const_iv (ST_MANDLOCK)
		708	const_iv (ST_WRITE)
		709	const_iv (ST_APPEND)
		710	const_iv (ST_IMMUTABLE)
		711	const_iv (ST_NOATIME)
		712	const_iv (ST_NODIRATIME)
		713	const_iv (ST_RELATIME)
		714
		715	const_iv (PROT_EXEC)
		716	const_iv (PROT_NONE)
		717	const_iv (PROT_READ)
		718	const_iv (PROT_WRITE)
		719
		720	/const_iv (MAP_FIXED)/
		721	const_iv (MAP_PRIVATE)
		722	const_iv (MAP_SHARED)
		723	const_iv (MAP_ANONYMOUS)
		724
		725	/* linuxish */
		726	const_iv (MAP_HUGETLB)
		727	const_iv (MAP_LOCKED)
		728	const_iv (MAP_NORESERVE)
		729	const_iv (MAP_POPULATE)
		730	const_iv (MAP_NONBLOCK)
		731
		732	const_iv (MCL_FUTURE)
		733	const_iv (MCL_CURRENT)
		734
		735	const_eio (MS_ASYNC)
		736	const_eio (MS_INVALIDATE)
		737	const_eio (MS_SYNC)
		738
		739	const_eio (MT_MODIFY)
		740
		741	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		742	const_eio (SYNC_FILE_RANGE_WRITE)
		743	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		744
		745	const_eio (READDIR_DENTS)
		746	const_eio (READDIR_DIRS_FIRST)
		747	const_eio (READDIR_STAT_ORDER)
		748	const_eio (READDIR_FOUND_UNKNOWN)
		749
		750	const_eio (DT_UNKNOWN)
		751	const_eio (DT_FIFO)
		752	const_eio (DT_CHR)
		753	const_eio (DT_DIR)
		754	const_eio (DT_BLK)
		755	const_eio (DT_REG)
		756	const_eio (DT_LNK)
		757	const_eio (DT_SOCK)
		758	const_eio (DT_WHT)
		759	};
		760
		761	aio_stash = gv_stashpv ("IO::AIO" , 1);
		762	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		763	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		764
		765	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		766	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		767
		768	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		769
526	create_respipe ();	770	create_respipe ();
527		771
528	if (eio_init (want_poll, done_poll) < 0)	772	if (eio_init (want_poll, done_poll) < 0)
529	croak ("IO::AIO: unable to initialise eio library");	773	croak ("IO::AIO: unable to initialise eio library");
530		774
531	/* atfork child called in fifo order, so before eio's handler */	775	/* atfork child called in fifo order, so before eio's handler */
532	X_THREAD_ATFORK (0, 0, atfork_child);	776	X_THREAD_ATFORK (0, 0, atfork_child);
533	}	777	}
534		778
535	void	779	void
536	max_poll_reqs (int nreqs)	780	max_poll_reqs (int nreqs)
537	PROTOTYPE: $	781	PROTOTYPE: $
…		…
590	ALIAS:	834	ALIAS:
591	aio_fsync = EIO_FSYNC	835	aio_fsync = EIO_FSYNC
592	aio_fdatasync = EIO_FDATASYNC	836	aio_fdatasync = EIO_FDATASYNC
593	PPCODE:	837	PPCODE:
594	{	838	{
		839	int fd = s_fileno_croak (fh, 0);
595	dREQ;	840	dREQ;
596		841
597	req->type = ix;	842	req->type = ix;
598	req->sv1 = newSVsv (fh);	843	req->sv1 = newSVsv (fh);
599	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	844	req->int1 = fd;
600		845
601	REQ_SEND (req);	846	REQ_SEND (req);
602	}	847	}
603		848
604	void	849	void
605	aio_sync_file_range (SV fh, SV offset, SV nbytes, IV flags, SV callback=&PL_sv_undef)	850	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
606	PROTOTYPE: $$$$;$	851	PROTOTYPE: $$$$;$
607	PPCODE:	852	PPCODE:
608	{	853	{
		854	int fd = s_fileno_croak (fh, 0);
609	dREQ;	855	dREQ;
610		856
611	req->type = EIO_SYNC_FILE_RANGE;	857	req->type = EIO_SYNC_FILE_RANGE;
612	req->sv1 = newSVsv (fh);	858	req->sv1 = newSVsv (fh);
613	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	859	req->int1 = fd;
614	req->offs = SvVAL64 (offset);	860	req->offs = offset;
615	req->size = SvVAL64 (nbytes);	861	req->size = nbytes;
616	req->int2 = flags;	862	req->int2 = flags;
617		863
618	REQ_SEND (req);	864	REQ_SEND (req);
619	}	865	}
620		866
…		…
622	aio_close (SV fh, SV callback=&PL_sv_undef)	868	aio_close (SV fh, SV callback=&PL_sv_undef)
623	PROTOTYPE: $;$	869	PROTOTYPE: $;$
624	PPCODE:	870	PPCODE:
625	{	871	{
626	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	872	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		873	int fd = s_fileno_croak (fh, 0);
627	dREQ;	874	dREQ;
628		875
629	if (close_pipe < 0)	876	if (close_pipe < 0)
630	{	877	{
631	int pipefd [2];	878	int pipefd [2];
…		…
639	}	886	}
640		887
641	req->type = EIO_DUP2;	888	req->type = EIO_DUP2;
642	req->int1 = close_pipe;	889	req->int1 = close_pipe;
643	req->sv2 = newSVsv (fh);	890	req->sv2 = newSVsv (fh);
644	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	891	req->int2 = fd;
645		892
646	REQ_SEND (req);	893	REQ_SEND (req);
647	}	894	}
648		895
649	void	896	void
…		…
653	aio_write = EIO_WRITE	900	aio_write = EIO_WRITE
654	PROTOTYPE: $$$$$;$	901	PROTOTYPE: $$$$$;$
655	PPCODE:	902	PPCODE:
656	{	903	{
657	STRLEN svlen;	904	STRLEN svlen;
		905	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
658	char *svptr = SvPVbyte (data, svlen);	906	char *svptr = SvPVbyte (data, svlen);
659	UV len = SvUV (length);	907	UV len = SvUV (length);
660	int fd;
661
662	if (SvTYPE (data) > SVt_PVMG)
663	croak ("illegal data argument '%s', must be plain scalar string", SvPV_nolen (data));
664
665	SvUPGRADE (data, SVt_PV);
666	SvPOK_only (data);
667		908
668	if (dataoffset < 0)	909	if (dataoffset < 0)
669	dataoffset += svlen;	910	dataoffset += svlen;
670		911
671	if (dataoffset < 0 \|\| dataoffset > svlen)	912	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
677	if (!SvOK (length) \|\| len + dataoffset > svlen)	918	if (!SvOK (length) \|\| len + dataoffset > svlen)
678	len = svlen - dataoffset;	919	len = svlen - dataoffset;
679	}	920	}
680	else	921	else
681	{	922	{
682	/* read: grow scalar as necessary */	923	/* read: check type and grow scalar as necessary */
		924	SvUPGRADE (data, SVt_PV);
683	svptr = SvGROW (data, len + dataoffset + 1);	925	svptr = SvGROW (data, len + dataoffset + 1);
684	}	926	}
685
686	if (len < 0)
687	croak ("length must not be negative");
688
689	fd = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))
690	: IoOFP (sv_2io (fh)));
691
692	if (fd < 0)
693	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
694		927
695	{	928	{
696	dREQ;	929	dREQ;
697		930
698	req->type = ix;	931	req->type = ix;
…		…
728		961
729	REQ_SEND;	962	REQ_SEND;
730	}	963	}
731		964
732	void	965	void
733	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	966	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
734	PROTOTYPE: $$$$;$	967	PROTOTYPE: $$$$;$
735	PPCODE:	968	PPCODE:
736	{	969	{
		970	int ifd = s_fileno_croak (in_fh , 0);
		971	int ofd = s_fileno_croak (out_fh, 1);
737	dREQ;	972	dREQ;
738		973
739	req->type = EIO_SENDFILE;	974	req->type = EIO_SENDFILE;
740	req->sv1 = newSVsv (out_fh);	975	req->sv1 = newSVsv (out_fh);
741	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	976	req->int1 = ofd;
742	req->sv2 = newSVsv (in_fh);	977	req->sv2 = newSVsv (in_fh);
743	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	978	req->int2 = ifd;
744	req->offs = SvVAL64 (in_offset);	979	req->offs = in_offset;
745	req->size = length;	980	req->size = length;
746		981
747	REQ_SEND;	982	REQ_SEND;
748	}	983	}
749		984
750	void	985	void
751	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	986	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
752	PROTOTYPE: $$$;$	987	PROTOTYPE: $$$;$
753	PPCODE:	988	PPCODE:
754	{	989	{
		990	int fd = s_fileno_croak (fh, 0);
755	dREQ;	991	dREQ;
756		992
757	req->type = EIO_READAHEAD;	993	req->type = EIO_READAHEAD;
758	req->sv1 = newSVsv (fh);	994	req->sv1 = newSVsv (fh);
759	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	995	req->int1 = fd;
760	req->offs = SvVAL64 (offset);	996	req->offs = offset;
761	req->size = length;	997	req->size = length;
762		998
763	REQ_SEND;	999	REQ_SEND;
764	}	1000	}
765		1001
766	void	1002	void
767	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1003	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
768	ALIAS:	1004	ALIAS:
769	aio_stat = EIO_STAT	1005	aio_stat = EIO_STAT
770	aio_lstat = EIO_LSTAT	1006	aio_lstat = EIO_LSTAT
		1007	aio_statvfs = EIO_STATVFS
771	PPCODE:	1008	PPCODE:
772	{	1009	{
773	dREQ;	1010	dREQ;
774		1011
775	req->sv1 = newSVsv (fh_or_path);	1012	req->sv1 = newSVsv (fh_or_path);
…		…
779	req->type = ix;	1016	req->type = ix;
780	req->ptr1 = SvPVbyte_nolen (req->sv1);	1017	req->ptr1 = SvPVbyte_nolen (req->sv1);
781	}	1018	}
782	else	1019	else
783	{	1020	{
784	req->type = EIO_FSTAT;	1021	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
785	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1022	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
786	}	1023	}
787		1024
788	REQ_SEND;	1025	REQ_SEND;
789	}	1026	}
…		…
884		1121
885	REQ_SEND;	1122	REQ_SEND;
886	}	1123	}
887		1124
888	void	1125	void
		1126	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1127	PPCODE:
		1128	{
		1129	dREQ;
		1130
		1131	req->type = EIO_READDIR;
		1132	req->sv1 = newSVsv (pathname);
		1133	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1134	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1135
		1136	if (flags & EIO_READDIR_DENTS)
		1137	req->int1 \|= EIO_READDIR_CUSTOM2;
		1138
		1139	REQ_SEND;
		1140	}
		1141
		1142	void
889	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1143	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
890	ALIAS:	1144	ALIAS:
891	aio_unlink = EIO_UNLINK	1145	aio_unlink = EIO_UNLINK
892	aio_rmdir = EIO_RMDIR	1146	aio_rmdir = EIO_RMDIR
893	aio_readdir = EIO_READDIR	1147	aio_readdir = EIO_READDIR
…		…
935		1189
936	REQ_SEND;	1190	REQ_SEND;
937	}	1191	}
938		1192
939	void	1193	void
		1194	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1195	ALIAS:
		1196	aio_mtouch = EIO_MTOUCH
		1197	aio_msync = EIO_MSYNC
		1198	PROTOTYPE: $$$$;$
		1199	PPCODE:
		1200	{
		1201	STRLEN svlen;
		1202	UV len = SvUV (length);
		1203	char *svptr = SvPVbyte (data, svlen);
		1204
		1205	if (offset < 0)
		1206	offset += svlen;
		1207
		1208	if (offset < 0 \|\| offset > svlen)
		1209	croak ("offset outside of scalar");
		1210
		1211	if (!SvOK (length) \|\| len + offset > svlen)
		1212	len = svlen - offset;
		1213
		1214	{
		1215	dREQ;
		1216
		1217	req->type = ix;
		1218	req->size = len;
		1219	req->sv2 = SvREFCNT_inc (data);
		1220	req->ptr2 = (char *)svptr + offset;
		1221	req->int1 = flags;
		1222
		1223	REQ_SEND;
		1224	}
		1225	}
		1226
		1227	void
940	aio_busy (double delay, SV *callback=&PL_sv_undef)	1228	aio_busy (double delay, SV *callback=&PL_sv_undef)
941	PPCODE:	1229	PPCODE:
942	{	1230	{
943	dREQ;	1231	dREQ;
944		1232
…		…
956	dREQ;	1244	dREQ;
957		1245
958	req->type = EIO_GROUP;	1246	req->type = EIO_GROUP;
959		1247
960	req_submit (req);	1248	req_submit (req);
961	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1249	XPUSHs (req_sv (req, aio_grp_stash));
962	}	1250	}
963		1251
964	void	1252	void
965	aio_nop (SV *callback=&PL_sv_undef)	1253	aio_nop (SV *callback=&PL_sv_undef)
966	ALIAS:	1254	ALIAS:
…		…
1018		1306
1019	int	1307	int
1020	poll_fileno()	1308	poll_fileno()
1021	PROTOTYPE:	1309	PROTOTYPE:
1022	CODE:	1310	CODE:
1023	RETVAL = respipe [0];	1311	RETVAL = s_epipe_fd (&respipe);
1024	OUTPUT:	1312	OUTPUT:
1025	RETVAL	1313	RETVAL
1026		1314
1027	int	1315	int
1028	poll_cb(...)	1316	poll_cb(...)
…		…
1068	CODE:	1356	CODE:
1069	RETVAL = eio_nthreads ();	1357	RETVAL = eio_nthreads ();
1070	OUTPUT:	1358	OUTPUT:
1071	RETVAL	1359	RETVAL
1072		1360
		1361	int
		1362	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1363	PROTOTYPE: $$$$
		1364	CODE:
		1365	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1366	RETVAL = posix_fadvise (fh, offset, length, advice);
		1367	#else
		1368	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
		1369	#endif
		1370	OUTPUT:
		1371	RETVAL
		1372
		1373	ssize_t
		1374	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1375	PROTOTYPE: $$$$
		1376	CODE:
		1377	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1378	OUTPUT:
		1379	RETVAL
		1380
		1381	void
		1382	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1383	PROTOTYPE: $$$$$;$
		1384	PPCODE:
		1385	sv_unmagic (scalar, MMAP_MAGIC);
		1386	{
		1387	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1388	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1389	if (addr == (void *)-1)
		1390	XSRETURN_NO;
		1391
		1392	/* we store the length in mg_obj, as namlen is I32 :/ */
		1393	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1394	->mg_obj = (SV *)length;
		1395
		1396	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1397	if (!(prot & PROT_WRITE))
		1398	SvREADONLY_on (scalar);
		1399
		1400	SvPVX (scalar) = (char *)addr;
		1401	SvCUR_set (scalar, length);
		1402	SvLEN_set (scalar, 0);
		1403	SvPOK_only (scalar);
		1404
		1405	XSRETURN_YES;
		1406	}
		1407
		1408	void
		1409	munmap (SV *scalar)
		1410	PROTOTYPE: $
		1411	CODE:
		1412	sv_unmagic (scalar, MMAP_MAGIC);
		1413
		1414	int
		1415	mlockall (int flags)
		1416	PROTOTYPE: $
		1417	CODE:
		1418	#if _POSIX_MEMLOCK
		1419	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1420	extern int mallopt (int, int);
		1421	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1422	#endif
		1423	mlockall (flags);
		1424	#else
		1425	RETVAL = -1;
		1426	errno = ENOSYS;
		1427	#endif
		1428	OUTPUT:
		1429	RETVAL
		1430
		1431	int
		1432	munlockall ()
		1433	PROTOTYPE:
		1434	CODE:
		1435	#if _POSIX_MEMLOCK
		1436	munlockall ();
		1437	#else
		1438	RETVAL = -1;
		1439	errno = ENOSYS;
		1440	#endif
		1441	OUTPUT:
		1442	RETVAL
		1443
1073	void _on_next_submit (SV *cb)	1444	void _on_next_submit (SV *cb)
1074	CODE:	1445	CODE:
1075	SvREFCNT_dec (on_next_submit);	1446	SvREFCNT_dec (on_next_submit);
1076	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1447	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1077		1448
…		…
1091	if (GIMME_V != G_VOID)	1462	if (GIMME_V != G_VOID)
1092	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1463	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1093		1464
1094	if (items > 1)	1465	if (items > 1)
1095	{	1466	{
1096	SV *cb_cv = get_cb (callback);	1467	SV *cb_cv =get_cb (callback);
1097		1468
1098	SvREFCNT_dec (req->callback);	1469	SvREFCNT_dec (req->callback);
1099	req->callback = SvREFCNT_inc (cb_cv);	1470	req->callback = SvREFCNT_inc (cb_cv);
1100	}	1471	}
1101	}	1472	}
…		…
1138	AV *av;	1509	AV *av;
1139		1510
1140	grp->errorno = errno;	1511	grp->errorno = errno;
1141		1512
1142	av = newAV ();	1513	av = newAV ();
		1514	av_extend (av, items - 1);
1143		1515
1144	for (i = 1; i < items; ++i )	1516	for (i = 1; i < items; ++i )
1145	av_push (av, newSVsv (ST (i)));	1517	av_push (av, newSVsv (ST (i)));
1146		1518
1147	SvREFCNT_dec (grp->sv1);	1519	SvREFCNT_dec (grp->sv1);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.135 by root, Sun Apr 19 13:06:15 2009 UTC vs. Revision 1.165 by root, Sun May 9 20:42:55 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.135 by root, Sun Apr 19 13:06:15 2009 UTC vs.
Revision 1.165 by root, Sun May 9 20:42:55 2010 UTC