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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.124 by root, Thu May 29 03:20:40 2008 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
…		…
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;
…		…
190	}	304	}
191	}	305	}
192		306
193	static int req_invoke (eio_req *req)	307	static int req_invoke (eio_req *req)
194	{	308	{
195	dSP;
196
197	if (req->flags & FLAG_SV2_RO_OFF)	309	if (req->flags & FLAG_SV2_RO_OFF)
198	SvREADONLY_off (req->sv2);	310	SvREADONLY_off (req->sv2);
199		311
200	if (!EIO_CANCELLED (req) && SvOK (req->callback))	312	if (!EIO_CANCELLED (req) && req->callback)
201	{	313	{
		314	dSP;
		315	static SV sv_result_cache; / caches the result integer SV */
		316	SV *sv_result;
		317
202	ENTER;	318	ENTER;
203	SAVETMPS;	319	SAVETMPS;
204	PUSHMARK (SP);	320	PUSHMARK (SP);
205	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	}
206		334
207	switch (req->type)	335	switch (req->type)
208	{	336	{
209	case EIO_READDIR:	337	case EIO_READDIR:
210	{	338	{
211	SV *rv = &PL_sv_undef;	339	SV *rv = &PL_sv_undef;
212		340
213	if (req->result >= 0)	341	if (req->result >= 0)
214	{	342	{
215	int i;	343	int i;
216	char *buf = req->ptr2;	344	char names = (char )req->ptr2;
		345	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
217	AV *av = newAV ();	346	AV *av = newAV ();
218		347
219	av_extend (av, req->result - 1);	348	av_extend (av, req->result - 1);
220		349
221	for (i = 0; i < req->result; ++i)	350	for (i = 0; i < req->result; ++i)
222	{	351	{
223	SV *sv = newSVpv (buf, 0);	352	if (req->int1 & EIO_READDIR_DENTS)
		353	{
		354	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224		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
225	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);
226	buf += SvCUR (sv) + 1;	384	names += SvCUR (name) + 1;
		385	}
227	}	386	}
228		387
229	rv = sv_2mortal (newRV_noinc ((SV *)av));	388	rv = sv_2mortal (newRV_noinc ((SV *)av));
230	}	389	}
231		390
232	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))));
233	}	395	}
234	break;	396	break;
235		397
236	case EIO_OPEN:	398	case EIO_OPEN:
237	{	399	{
…		…
243	GV gv = (GV )sv_newmortal ();	405	GV gv = (GV )sv_newmortal ();
244	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	406	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
245	char sym [64];	407	char sym [64];
246	int symlen;	408	int symlen;
247		409
248	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	410	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
249	gv_init (gv, stash, sym, symlen, 0);	411	gv_init (gv, aio_stash, sym, symlen, 0);
250		412
251	symlen = snprintf (	413	symlen = snprintf (
252	sym,	414	sym,
253	sizeof (sym),	415	sizeof (sym),
254	"%s&=%d",	416	"%s&=%d",
255	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	417	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256	req->result	418	(int)req->result
257	);	419	);
258		420
259	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	421	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
260	fh = (SV *)gv;	422	fh = (SV *)gv;
261	}	423	}
262		424
263	PUSHs (fh);	425	PUSHs (fh);
264	}	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
265	break;	457	break;
266		458
267	case EIO_GROUP:	459	case EIO_GROUP:
268	req->int1 = 2; /* mark group as finished */	460	req->int1 = 2; /* mark group as finished */
269		461
…		…
291	case EIO_LSTAT:	483	case EIO_LSTAT:
292	case EIO_FSTAT:	484	case EIO_FSTAT:
293	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	485	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
294	PL_laststatval = req->result;	486	PL_laststatval = req->result;
295	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	487	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
296	PUSHs (sv_2mortal (newSViv (req->result)));	488	PUSHs (sv_result);
297	break;	489	break;
298		490
299	case EIO_READ:	491	case EIO_READ:
		492	{
300	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));
301	*SvEND (req->sv2) = 0;	494	*SvEND (req->sv2) = 0;
302	PUSHs (sv_2mortal (newSViv (req->result)));	495	SvPOK_only (req->sv2);
		496	SvSETMAGIC (req->sv2);
		497	PUSHs (sv_result);
		498	}
303	break;	499	break;
304		500
305	case EIO_DUP2:	501	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
306	if (req->result > 0)	502	if (req->result > 0)
307	req->result = 0;	503	SvIV_set (sv_result, 0);
308	/* FALLTHROUGH */	504	/* FALLTHROUGH */
309		505
310	default:	506	default:
311	PUSHs (sv_2mortal (newSViv (req->result)));	507	PUSHs (sv_result);
312	break;	508	break;
313	}	509	}
314		510
315	errno = req->errorno;	511	errno = req->errorno;
316		512
317	PUTBACK;	513	PUTBACK;
318	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	514	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
319	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;
320		521
321	FREETMPS;	522	FREETMPS;
322	LEAVE;	523	LEAVE;
323		524
324	PUTBACK;	525	PUTBACK;
…		…
353	grp->sv2 = 0;	554	grp->sv2 = 0;
354		555
355	eio_grp_cancel (grp);	556	eio_grp_cancel (grp);
356	}	557	}
357		558
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	559	static void
365	create_respipe (void)	560	create_respipe (void)
366	{	561	{
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))	562	if (s_epipe_renew (&respipe))
376	#endif
377	croak ("unable to initialize result pipe");	563	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	}	564	}
401		565
402	static void poll_wait (void)	566	static void poll_wait (void)
403	{	567	{
404	fd_set rfd;
405
406	while (eio_nreqs ())	568	while (eio_nreqs ())
407	{	569	{
408	int size;	570	int size;
409		571
410	X_LOCK (reslock);	572	X_LOCK (reslock);
…		…
414	if (size)	576	if (size)
415	return;	577	return;
416		578
417	etp_maybe_start_thread ();	579	etp_maybe_start_thread ();
418		580
419	FD_ZERO (&rfd);	581	s_epipe_wait (&respipe);
420	FD_SET (respipe [0], &rfd);
421
422	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423	}	582	}
424	}	583	}
425		584
426	static int poll_cb (void)	585	static int poll_cb (void)
427	{	586	{
…		…
442	static void atfork_child (void)	601	static void atfork_child (void)
443	{	602	{
444	create_respipe ();	603	create_respipe ();
445	}	604	}
446		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
		642	static SV *
		643	get_cb (SV *cb_sv)
		644	{
		645	SvGETMAGIC (cb_sv);
		646	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		647	}
		648
447	#define dREQ \	649	#define dREQ \
		650	SV *cb_cv; \
448	aio_req req; \	651	aio_req req; \
449	int req_pri = next_pri; \	652	int req_pri = next_pri; \
450	next_pri = EIO_PRI_DEFAULT; \	653	next_pri = EIO_PRI_DEFAULT; \
451	\	654	\
452	if (SvOK (callback) && !SvROK (callback)) \	655	cb_cv = get_cb (callback); \
453	croak ("callback must be undef or of reference type"); \
454	\	656	\
455	Newz (0, req, 1, eio_req); \	657	Newz (0, req, 1, eio_req); \
456	if (!req) \	658	if (!req) \
457	croak ("out of memory during eio_req allocation"); \	659	croak ("out of memory during eio_req allocation"); \
458	\	660	\
459	req->callback = newSVsv (callback); \	661	req->callback = SvREFCNT_inc (cb_cv); \
460	req->pri = req_pri	662	req->pri = req_pri
461		663
462	#define REQ_SEND \	664	#define REQ_SEND \
		665	PUTBACK; \
463	req_submit (req); \	666	req_submit (req); \
		667	SPAGAIN; \
464	\	668	\
465	if (GIMME_V != G_VOID) \	669	if (GIMME_V != G_VOID) \
466	XPUSHs (req_sv (req, AIO_REQ_KLASS));	670	XPUSHs (req_sv (req, aio_req_stash));
467		671
468	MODULE = IO::AIO PACKAGE = IO::AIO	672	MODULE = IO::AIO PACKAGE = IO::AIO
469		673
470	PROTOTYPES: ENABLE	674	PROTOTYPES: ENABLE
471		675
472	BOOT:	676	BOOT:
473	{	677	{
474	stash = gv_stashpv ("IO::AIO", 1);	678	static const struct {
475		679	const char *name;
476	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	680	IV iv;
477	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	681	} *civ, const_iv[] = {
478	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	682	# define const_niv(name, value) { # name, (IV) value },
479	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	683	# define const_iv(name) { # name, (IV) name },
480	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)
481	#ifndef _WIN32	694	#ifndef _WIN32
482	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	695	const_iv (S_IFIFO)
483	#endif	696	#endif
		697	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		698	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		699	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		700	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		701	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		702	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
484		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
485	create_respipe ();	772	create_respipe ();
486		773
487	if (eio_init (want_poll, done_poll) < 0)	774	if (eio_init (want_poll, done_poll) < 0)
488	croak ("IO::AIO: unable to initialise eio library");	775	croak ("IO::AIO: unable to initialise eio library");
489		776
490	/* atfork child called in fifo order, so before eio's handler */	777	/* atfork child called in fifo order, so before eio's handler */
491	X_THREAD_ATFORK (0, 0, atfork_child);	778	X_THREAD_ATFORK (0, 0, atfork_child);
492	}	779	}
493		780
494	void	781	void
495	max_poll_reqs (int nreqs)	782	max_poll_reqs (int nreqs)
496	PROTOTYPE: $	783	PROTOTYPE: $
…		…
549	ALIAS:	836	ALIAS:
550	aio_fsync = EIO_FSYNC	837	aio_fsync = EIO_FSYNC
551	aio_fdatasync = EIO_FDATASYNC	838	aio_fdatasync = EIO_FDATASYNC
552	PPCODE:	839	PPCODE:
553	{	840	{
		841	int fd = s_fileno_croak (fh, 0);
554	dREQ;	842	dREQ;
555		843
556	req->type = ix;	844	req->type = ix;
557	req->sv1 = newSVsv (fh);	845	req->sv1 = newSVsv (fh);
558	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	846	req->int1 = fd;
		847
		848	REQ_SEND (req);
		849	}
		850
		851	void
		852	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		853	PROTOTYPE: $$$$;$
		854	PPCODE:
		855	{
		856	int fd = s_fileno_croak (fh, 0);
		857	dREQ;
		858
		859	req->type = EIO_SYNC_FILE_RANGE;
		860	req->sv1 = newSVsv (fh);
		861	req->int1 = fd;
		862	req->offs = offset;
		863	req->size = nbytes;
		864	req->int2 = flags;
559		865
560	REQ_SEND (req);	866	REQ_SEND (req);
561	}	867	}
562		868
563	void	869	void
564	aio_close (SV fh, SV callback=&PL_sv_undef)	870	aio_close (SV fh, SV callback=&PL_sv_undef)
565	PROTOTYPE: $;$	871	PROTOTYPE: $;$
566	PPCODE:	872	PPCODE:
567	{	873	{
568	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	874	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		875	int fd = s_fileno_croak (fh, 0);
569	dREQ;	876	dREQ;
570		877
571	if (close_pipe < 0)	878	if (close_pipe < 0)
572	{	879	{
573	int pipefd [2];	880	int pipefd [2];
…		…
581	}	888	}
582		889
583	req->type = EIO_DUP2;	890	req->type = EIO_DUP2;
584	req->int1 = close_pipe;	891	req->int1 = close_pipe;
585	req->sv2 = newSVsv (fh);	892	req->sv2 = newSVsv (fh);
586	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	893	req->int2 = fd;
587		894
588	REQ_SEND (req);	895	REQ_SEND (req);
589	}	896	}
590		897
591	void	898	void
…		…
595	aio_write = EIO_WRITE	902	aio_write = EIO_WRITE
596	PROTOTYPE: $$$$$;$	903	PROTOTYPE: $$$$$;$
597	PPCODE:	904	PPCODE:
598	{	905	{
599	STRLEN svlen;	906	STRLEN svlen;
		907	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600	char *svptr = SvPVbyte (data, svlen);	908	char *svptr = SvPVbyte (data, svlen);
601	UV len = SvUV (length);	909	UV len = SvUV (length);
602
603	SvUPGRADE (data, SVt_PV);
604	SvPOK_on (data);
605		910
606	if (dataoffset < 0)	911	if (dataoffset < 0)
607	dataoffset += svlen;	912	dataoffset += svlen;
608		913
609	if (dataoffset < 0 \|\| dataoffset > svlen)	914	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
615	if (!SvOK (length) \|\| len + dataoffset > svlen)	920	if (!SvOK (length) \|\| len + dataoffset > svlen)
616	len = svlen - dataoffset;	921	len = svlen - dataoffset;
617	}	922	}
618	else	923	else
619	{	924	{
620	/* read: grow scalar as necessary */	925	/* read: check type and grow scalar as necessary */
		926	SvUPGRADE (data, SVt_PV);
621	svptr = SvGROW (data, len + dataoffset + 1);	927	svptr = SvGROW (data, len + dataoffset + 1);
622	}	928	}
623		929
624	if (len < 0)
625	croak ("length must not be negative");
626
627	{	930	{
628	dREQ;	931	dREQ;
629		932
630	req->type = ix;	933	req->type = ix;
631	req->sv1 = newSVsv (fh);	934	req->sv1 = newSVsv (fh);
632	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	935	req->int1 = fd;
633	: IoOFP (sv_2io (fh)));
634	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	936	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635	req->size = len;	937	req->size = len;
636	req->sv2 = SvREFCNT_inc (data);	938	req->sv2 = SvREFCNT_inc (data);
637	req->ptr2 = (char *)svptr + dataoffset;	939	req->ptr2 = (char *)svptr + dataoffset;
638	req->stroffset = dataoffset;	940	req->stroffset = dataoffset;
…		…
661		963
662	REQ_SEND;	964	REQ_SEND;
663	}	965	}
664		966
665	void	967	void
666	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	968	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
667	PROTOTYPE: $$$$;$	969	PROTOTYPE: $$$$;$
668	PPCODE:	970	PPCODE:
669	{	971	{
		972	int ifd = s_fileno_croak (in_fh , 0);
		973	int ofd = s_fileno_croak (out_fh, 1);
670	dREQ;	974	dREQ;
671		975
672	req->type = EIO_SENDFILE;	976	req->type = EIO_SENDFILE;
673	req->sv1 = newSVsv (out_fh);	977	req->sv1 = newSVsv (out_fh);
674	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	978	req->int1 = ofd;
675	req->sv2 = newSVsv (in_fh);	979	req->sv2 = newSVsv (in_fh);
676	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	980	req->int2 = ifd;
677	req->offs = SvVAL64 (in_offset);	981	req->offs = in_offset;
678	req->size = length;	982	req->size = length;
679		983
680	REQ_SEND;	984	REQ_SEND;
681	}	985	}
682		986
683	void	987	void
684	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	988	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
685	PROTOTYPE: $$$;$	989	PROTOTYPE: $$$;$
686	PPCODE:	990	PPCODE:
687	{	991	{
		992	int fd = s_fileno_croak (fh, 0);
688	dREQ;	993	dREQ;
689		994
690	req->type = EIO_READAHEAD;	995	req->type = EIO_READAHEAD;
691	req->sv1 = newSVsv (fh);	996	req->sv1 = newSVsv (fh);
692	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	997	req->int1 = fd;
693	req->offs = SvVAL64 (offset);	998	req->offs = offset;
694	req->size = length;	999	req->size = length;
695		1000
696	REQ_SEND;	1001	REQ_SEND;
697	}	1002	}
698		1003
699	void	1004	void
700	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1005	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
701	ALIAS:	1006	ALIAS:
702	aio_stat = EIO_STAT	1007	aio_stat = EIO_STAT
703	aio_lstat = EIO_LSTAT	1008	aio_lstat = EIO_LSTAT
		1009	aio_statvfs = EIO_STATVFS
704	PPCODE:	1010	PPCODE:
705	{	1011	{
706	dREQ;	1012	dREQ;
707		1013
708	req->sv1 = newSVsv (fh_or_path);	1014	req->sv1 = newSVsv (fh_or_path);
…		…
712	req->type = ix;	1018	req->type = ix;
713	req->ptr1 = SvPVbyte_nolen (req->sv1);	1019	req->ptr1 = SvPVbyte_nolen (req->sv1);
714	}	1020	}
715	else	1021	else
716	{	1022	{
717	req->type = EIO_FSTAT;	1023	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
718	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1024	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
719	}	1025	}
720		1026
721	REQ_SEND;	1027	REQ_SEND;
722	}	1028	}
…		…
817		1123
818	REQ_SEND;	1124	REQ_SEND;
819	}	1125	}
820		1126
821	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
822	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1145	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
823	ALIAS:	1146	ALIAS:
824	aio_unlink = EIO_UNLINK	1147	aio_unlink = EIO_UNLINK
825	aio_rmdir = EIO_RMDIR	1148	aio_rmdir = EIO_RMDIR
826	aio_readdir = EIO_READDIR	1149	aio_readdir = EIO_READDIR
…		…
868		1191
869	REQ_SEND;	1192	REQ_SEND;
870	}	1193	}
871		1194
872	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: $$$$;$
		1201	PPCODE:
		1202	{
		1203	STRLEN svlen;
		1204	UV len = SvUV (length);
		1205	char *svptr = SvPVbyte (data, svlen);
		1206
		1207	if (offset < 0)
		1208	offset += svlen;
		1209
		1210	if (offset < 0 \|\| offset > svlen)
		1211	croak ("offset outside of scalar");
		1212
		1213	if (!SvOK (length) \|\| len + offset > svlen)
		1214	len = svlen - offset;
		1215
		1216	{
		1217	dREQ;
		1218
		1219	req->type = ix;
		1220	req->size = len;
		1221	req->sv2 = SvREFCNT_inc (data);
		1222	req->ptr2 = (char *)svptr + offset;
		1223	req->int1 = flags;
		1224
		1225	REQ_SEND;
		1226	}
		1227	}
		1228
		1229	void
873	aio_busy (double delay, SV *callback=&PL_sv_undef)	1230	aio_busy (double delay, SV *callback=&PL_sv_undef)
874	PPCODE:	1231	PPCODE:
875	{	1232	{
876	dREQ;	1233	dREQ;
877		1234
…		…
888	{	1245	{
889	dREQ;	1246	dREQ;
890		1247
891	req->type = EIO_GROUP;	1248	req->type = EIO_GROUP;
892		1249
893	eio_submit (req);	1250	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1251	XPUSHs (req_sv (req, aio_grp_stash));
895	}	1252	}
896		1253
897	void	1254	void
898	aio_nop (SV *callback=&PL_sv_undef)	1255	aio_nop (SV *callback=&PL_sv_undef)
899	ALIAS:	1256	ALIAS:
…		…
951		1308
952	int	1309	int
953	poll_fileno()	1310	poll_fileno()
954	PROTOTYPE:	1311	PROTOTYPE:
955	CODE:	1312	CODE:
956	RETVAL = respipe [0];	1313	RETVAL = s_epipe_fd (&respipe);
957	OUTPUT:	1314	OUTPUT:
958	RETVAL	1315	RETVAL
959		1316
960	int	1317	int
961	poll_cb(...)	1318	poll_cb(...)
…		…
1001	CODE:	1358	CODE:
1002	RETVAL = eio_nthreads ();	1359	RETVAL = eio_nthreads ();
1003	OUTPUT:	1360	OUTPUT:
1004	RETVAL	1361	RETVAL
1005		1362
		1363	int
		1364	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1365	PROTOTYPE: $$$$
		1366	CODE:
		1367	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1368	RETVAL = posix_fadvise (fh, offset, length, advice);
		1369	#else
		1370	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
		1371	#endif
		1372	OUTPUT:
		1373	RETVAL
		1374
		1375	ssize_t
		1376	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1377	PROTOTYPE: $$$$
		1378	CODE:
		1379	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1380	OUTPUT:
		1381	RETVAL
		1382
		1383	void
		1384	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1385	PROTOTYPE: $$$$$;$
		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
1006	void _on_next_submit (SV *cb)	1452	void _on_next_submit (SV *cb)
1007	CODE:	1453	CODE:
1008	SvREFCNT_dec (on_next_submit);	1454	SvREFCNT_dec (on_next_submit);
1009	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1455	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010		1456
…		…
1017	CODE:	1463	CODE:
1018	eio_cancel (req);	1464	eio_cancel (req);
1019		1465
1020	void	1466	void
1021	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1467	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1022	CODE:	1468	PPCODE:
		1469	{
		1470	if (GIMME_V != G_VOID)
		1471	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1472
		1473	if (items > 1)
		1474	{
		1475	SV *cb_cv =get_cb (callback);
		1476
1023	SvREFCNT_dec (req->callback);	1477	SvREFCNT_dec (req->callback);
1024	req->callback = newSVsv (callback);	1478	req->callback = SvREFCNT_inc (cb_cv);
		1479	}
		1480	}
1025		1481
1026	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1482	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027		1483
1028	void	1484	void
1029	add (aio_req grp, ...)	1485	add (aio_req grp, ...)
…		…
1061	AV *av;	1517	AV *av;
1062		1518
1063	grp->errorno = errno;	1519	grp->errorno = errno;
1064		1520
1065	av = newAV ();	1521	av = newAV ();
		1522	av_extend (av, items - 1);
1066		1523
1067	for (i = 1; i < items; ++i )	1524	for (i = 1; i < items; ++i )
1068	av_push (av, newSVsv (ST (i)));	1525	av_push (av, newSVsv (ST (i)));
1069		1526
1070	SvREFCNT_dec (grp->sv1);	1527	SvREFCNT_dec (grp->sv1);
…		…
1084	void	1541	void
1085	feed (aio_req grp, SV *callback=&PL_sv_undef)	1542	feed (aio_req grp, SV *callback=&PL_sv_undef)
1086	CODE:	1543	CODE:
1087	{	1544	{
1088	SvREFCNT_dec (grp->sv2);	1545	SvREFCNT_dec (grp->sv2);
1089	grp->sv2 = newSVsv (callback);	1546	grp->sv2 = newSVsv (callback);
		1547	grp->feed = aio_grp_feed;
1090		1548
1091	if (grp->int2 <= 0)	1549	if (grp->int2 <= 0)
1092	grp->int2 = 2;	1550	grp->int2 = 2;
1093		1551
1094	eio_grp_limit (grp, grp->int2);	1552	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.124 by root, Thu May 29 03:20:40 2008 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 1.124 by root, Thu May 29 03:20:40 2008 UTC vs.
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC