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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.118 by root, Sun May 11 00:01:03 2008 UTC vs.
Revision 1.162 by root, Sun Jan 10 23:05:12 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
		24
		25	#if !_POSIX_MAPPED_FILES
		26	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		27	# define munmap(addr,length) (errno = ENOSYS, -1)
		28	#endif
17		29
18	/* perl namespace pollution */	30	/* perl namespace pollution */
19	#undef VERSION	31	#undef VERSION
20		32
21	#ifdef _WIN32	33	#ifdef _WIN32
…		…
65	# include <signal.h>	77	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent	78	# define EIO_STRUCT_DIRENT struct dirent
67		79
68	#endif	80	#endif
69		81
		82	/* perl stupidly overrides readdir and maybe others */
		83	/* with thread-unsafe versions, imagine that :( */
		84	#undef readdir
		85	#undef opendir
		86	#undef closedir
		87
70	#define EIO_STRUCT_STAT Stat_t	88	#define EIO_STRUCT_STAT Stat_t
71		89
72	/* use NV for 32 bit perls as it allows larger offsets */	90	/* use NV for 32 bit perls as it allows larger offsets */
73	#if IVSIZE >= 8	91	#if IVSIZE >= 8
		92	# define VAL64 IV
74	# define SvVAL64 SvIV	93	# define SvVAL64 SvIV
		94	# define newSVval64 newSViv
75	#else	95	#else
		96	# define VAL64 NV
76	# define SvVAL64 SvNV	97	# define SvVAL64 SvNV
		98	# define newSVval64 newSVnv
77	#endif	99	#endif
78		100
79	static HV *stash;	101	/*****************************************************************************/
		102
		103	#if __GNUC__ >= 3
		104	# define expect(expr,value) __builtin_expect ((expr),(value))
		105	#else
		106	# define expect(expr,value) (expr)
		107	#endif
		108
		109	#define expect_false(expr) expect ((expr) != 0, 0)
		110	#define expect_true(expr) expect ((expr) != 0, 1)
		111
		112	/*****************************************************************************/
		113
80	typedef SV SV8; /* byte-sv, used for argument-checking */	114	typedef SV SV8; /* byte-sv, used for argument-checking */
		115	typedef int aio_rfd; /* read file desriptor */
		116	typedef int aio_wfd; /* write file descriptor */
81		117
82	#define AIO_REQ_KLASS "IO::AIO::REQ"	118	static HV aio_stash, aio_req_stash, *aio_grp_stash;
83	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		119
85	#define EIO_COMMON \	120	#define EIO_REQ_MEMBERS \
86	SV *callback; \	121	SV *callback; \
87	SV sv1, sv2; \	122	SV sv1, sv2; \
88	STRLEN stroffset; \	123	STRLEN stroffset; \
89	SV *self	124	SV *self;
		125
		126	#define EIO_NO_WRAPPERS 1
90		127
91	#include "libeio/eio.h"	128	#include "libeio/eio.h"
		129
		130	#ifndef POSIX_FADV_NORMAL
		131	# define POSIX_FADV_NORMAL 0
		132	# define NO_FADVISE 1
		133	#endif
		134	#ifndef POSIX_FADV_SEQUENTIAL
		135	# define POSIX_FADV_SEQUENTIAL 0
		136	#endif
		137	#ifndef POSIX_FADV_RANDOM
		138	# define POSIX_FADV_RANDOM 0
		139	#endif
		140	#ifndef POSIX_FADV_NOREUSE
		141	# define POSIX_FADV_NOREUSE 0
		142	#endif
		143	#ifndef POSIX_FADV_WILLNEED
		144	# define POSIX_FADV_WILLNEED 0
		145	#endif
		146	#ifndef POSIX_FADV_DONTNEED
		147	# define POSIX_FADV_DONTNEED 0
		148	#endif
		149
		150	#ifndef ST_NODEV
		151	# define ST_NODEV 0
		152	#endif
		153	#ifndef ST_NOEXEC
		154	# define ST_NOEXEC 0
		155	#endif
		156	#ifndef ST_SYNCHRONOUS
		157	# define ST_SYNCHRONOUS 0
		158	#endif
		159	#ifndef ST_MANDLOCK
		160	# define ST_MANDLOCK 0
		161	#endif
		162	#ifndef ST_WRITE
		163	# define ST_WRITE 0
		164	#endif
		165	#ifndef ST_APPEND
		166	# define ST_APPEND 0
		167	#endif
		168	#ifndef ST_IMMUTABLE
		169	# define ST_IMMUTABLE 0
		170	#endif
		171	#ifndef ST_NOATIME
		172	# define ST_NOATIME 0
		173	#endif
		174	#ifndef ST_NODIRATIME
		175	# define ST_NODIRATIME 0
		176	#endif
		177	#ifndef ST_RELATIME
		178	# define ST_RELATIME 0
		179	#endif
		180
		181	#ifndef MCL_CURRENT
		182	# define MCL_CURRENT 0
		183	#endif
		184	#ifndef MCL_FUTURE
		185	# define MCL_FUTURE 0
		186	#endif
		187
		188	#ifndef MAP_ANONYMOUS
		189	# ifdef MAP_ANON
		190	# define MAP_ANONYMOUS MAP_ANON
		191	# else
		192	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		193	# endif
		194	#endif
		195	#ifndef MAP_HUGETLB
		196	# define MAP_HUGETLB 0
		197	#endif
		198	#ifndef MAP_LOCKED
		199	# define MAP_LOCKED 0
		200	#endif
		201	#ifndef MAP_NORESERVE
		202	# define MAP_NORESERVE 0
		203	#endif
		204	#ifndef MAP_POPULATE
		205	# define MAP_POPULATE 0
		206	#endif
		207	#ifndef MAP_NONBLOCK
		208	# define MAP_NONBLOCK 0
		209	#endif
		210
		211	#ifndef PAGESIZE
		212	# define PAGESIZE sysconf (_SC_PAGESIZE)
		213	#endif
92		214
93	static int req_invoke (eio_req *req);	215	static int req_invoke (eio_req *req);
94	#define EIO_FINISH(req) req_invoke (req)	216	#define EIO_FINISH(req) req_invoke (req)
95	static void aio_grp_feed (eio_req *grp);
96	#define EIO_FEED(req) aio_grp_feed (req)
97	static void req_destroy (eio_req *grp);	217	static void req_destroy (eio_req *grp);
98	#define EIO_DESTROY(req) req_destroy (req)	218	#define EIO_DESTROY(req) req_destroy (req)
99		219
100	enum {	220	enum {
101	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	221	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
105		225
106	typedef eio_req *aio_req;	226	typedef eio_req *aio_req;
107	typedef eio_req *aio_req_ornot;	227	typedef eio_req *aio_req_ornot;
108		228
109	static SV *on_next_submit;	229	static SV *on_next_submit;
110	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	230	static int next_pri = EIO_PRI_DEFAULT;
111	static int max_outstanding;	231	static int max_outstanding;
112		232
113	static int respipe_osf [2], respipe [2] = { -1, -1 };	233	static s_epipe respipe;
114		234
115	static void req_destroy (aio_req req);	235	static void req_destroy (aio_req req);
116	static void req_cancel (aio_req req);	236	static void req_cancel (aio_req req);
117		237
118	static void want_poll (void)	238	static void want_poll (void)
119	{	239	{
120	/* write a dummy byte to the pipe so fh becomes ready */	240	/* write a dummy byte to the pipe so fh becomes ready */
121	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	241	s_epipe_signal (&respipe);
122	}	242	}
123		243
124	static void done_poll (void)	244	static void done_poll (void)
125	{	245	{
126	/* read any signals sent by the worker threads */	246	/* read any signals sent by the worker threads */
127	char buf [4];	247	s_epipe_drain (&respipe);
128	while (respipe_read (respipe [0], buf, 4) == 4)
129	;
130	}	248	}
131		249
132	/* must be called at most once */	250	/* must be called at most once */
133	static SV req_sv (aio_req req, const char klass)	251	static SV req_sv (aio_req req, HV stash)
134	{	252	{
135	if (!req->self)	253	if (!req->self)
136	{	254	{
137	req->self = (SV *)newHV ();	255	req->self = (SV *)newHV ();
138	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	256	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
139	}	257	}
140		258
141	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	259	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
142	}	260	}
143		261
144	static aio_req SvAIO_REQ (SV *sv)	262	static aio_req SvAIO_REQ (SV *sv)
145	{	263	{
146	MAGIC *mg;	264	MAGIC *mg;
147		265
148	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	266	if (!SvROK (sv)
		267	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		268	&& SvSTASH (SvRV (sv)) != aio_req_stash
		269	&& !sv_derived_from (sv, "IO::AIO::REQ")))
149	croak ("object of class " AIO_REQ_KLASS " expected");	270	croak ("object of class IO::AIO::REQ expected");
150		271
151	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	272	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
152		273
153	return mg ? (aio_req)mg->mg_ptr : 0;	274	return mg ? (aio_req)mg->mg_ptr : 0;
154	}	275	}
…		…
160	dSP;	281	dSP;
161		282
162	ENTER;	283	ENTER;
163	SAVETMPS;	284	SAVETMPS;
164	PUSHMARK (SP);	285	PUSHMARK (SP);
165	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	286	XPUSHs (req_sv (grp, aio_grp_stash));
166	PUTBACK;	287	PUTBACK;
167	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	288	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
168	SPAGAIN;	289	SPAGAIN;
169	FREETMPS;	290	FREETMPS;
170	LEAVE;	291	LEAVE;
…		…
173		294
174	static void req_submit (eio_req *req)	295	static void req_submit (eio_req *req)
175	{	296	{
176	eio_submit (req);	297	eio_submit (req);
177		298
178	if (on_next_submit)	299	if (expect_false (on_next_submit))
179	{	300	{
180	dSP;	301	dSP;
181	SV *cb = sv_2mortal (on_next_submit);	302	SV *cb = sv_2mortal (on_next_submit);
182		303
183	on_next_submit = 0;	304	on_next_submit = 0;
…		…
193	dSP;	314	dSP;
194		315
195	if (req->flags & FLAG_SV2_RO_OFF)	316	if (req->flags & FLAG_SV2_RO_OFF)
196	SvREADONLY_off (req->sv2);	317	SvREADONLY_off (req->sv2);
197		318
198	if (!EIO_CANCELLED (req) && SvOK (req->callback))	319	if (!EIO_CANCELLED (req) && req->callback)
199	{	320	{
200	ENTER;	321	ENTER;
201	SAVETMPS;	322	SAVETMPS;
202	PUSHMARK (SP);	323	PUSHMARK (SP);
203	EXTEND (SP, 1);	324	EXTEND (SP, 1);
…		…
209	SV *rv = &PL_sv_undef;	330	SV *rv = &PL_sv_undef;
210		331
211	if (req->result >= 0)	332	if (req->result >= 0)
212	{	333	{
213	int i;	334	int i;
214	char *buf = req->ptr2;	335	char names = (char )req->ptr2;
		336	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
215	AV *av = newAV ();	337	AV *av = newAV ();
216		338
217	av_extend (av, req->result - 1);	339	av_extend (av, req->result - 1);
218		340
219	for (i = 0; i < req->result; ++i)	341	for (i = 0; i < req->result; ++i)
220	{	342	{
221	SV *sv = newSVpv (buf, 0);	343	if (req->int1 & EIO_READDIR_DENTS)
		344	{
		345	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
222		346
		347	if (req->int1 & EIO_READDIR_CUSTOM2)
		348	{
		349	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		350	AV *avent = newAV ();
		351
		352	av_extend (avent, 2);
		353
		354	if (!sv_type [ent->type])
		355	{
		356	sv_type [ent->type] = newSViv (ent->type);
		357	SvREADONLY_on (sv_type [ent->type]);
		358	}
		359
		360	av_store (avent, 0, namesv);
		361	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		362	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		363
		364	av_store (av, i, newRV_noinc ((SV *)avent));
		365	}
		366	else
223	av_store (av, i, sv);	367	av_store (av, i, namesv);
		368
		369	++ent;
		370	}
		371	else
		372	{
		373	SV *name = newSVpv (names, 0);
		374	av_store (av, i, name);
224	buf += SvCUR (sv) + 1;	375	names += SvCUR (name) + 1;
		376	}
225	}	377	}
226		378
227	rv = sv_2mortal (newRV_noinc ((SV *)av));	379	rv = sv_2mortal (newRV_noinc ((SV *)av));
228	}	380	}
229		381
230	PUSHs (rv);	382	PUSHs (rv);
		383
		384	if (req->int1 & EIO_READDIR_CUSTOM1)
		385	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
231	}	386	}
232	break;	387	break;
233		388
234	case EIO_OPEN:	389	case EIO_OPEN:
235	{	390	{
…		…
241	GV gv = (GV )sv_newmortal ();	396	GV gv = (GV )sv_newmortal ();
242	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	397	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
243	char sym [64];	398	char sym [64];
244	int symlen;	399	int symlen;
245		400
246	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	401	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
247	gv_init (gv, stash, sym, symlen, 0);	402	gv_init (gv, aio_stash, sym, symlen, 0);
248		403
249	symlen = snprintf (	404	symlen = snprintf (
250	sym,	405	sym,
251	sizeof (sym),	406	sizeof (sym),
252	"%s&=%d",	407	"%s&=%d",
253	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	408	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
254	req->result	409	(int)req->result
255	);	410	);
256		411
257	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	412	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
258	fh = (SV *)gv;	413	fh = (SV *)gv;
259	}	414	}
260		415
261	PUSHs (fh);	416	PUSHs (fh);
262	}	417	}
		418	break;
		419
		420	case EIO_STATVFS:
		421	case EIO_FSTATVFS:
		422	{
		423	SV *rv = &PL_sv_undef;
		424
		425	if (req->result >= 0)
		426	{
		427	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		428	HV *hv = newHV ();
		429
		430	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		431
		432	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		433	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		434	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		435	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		436	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		437	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		438	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		439	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		440	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		441	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		442	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		443	}
		444
		445	PUSHs (rv);
		446	}
		447
263	break;	448	break;
264		449
265	case EIO_GROUP:	450	case EIO_GROUP:
266	req->int1 = 2; /* mark group as finished */	451	req->int1 = 2; /* mark group as finished */
267		452
…		…
280	case EIO_BUSY:	465	case EIO_BUSY:
281	break;	466	break;
282		467
283	case EIO_READLINK:	468	case EIO_READLINK:
284	if (req->result > 0)	469	if (req->result > 0)
285	{	470	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
286	SvCUR_set (req->sv2, req->result);
287	*SvEND (req->sv2) = 0;
288	PUSHs (req->sv2);
289	}
290	break;	471	break;
291		472
292	case EIO_STAT:	473	case EIO_STAT:
293	case EIO_LSTAT:	474	case EIO_LSTAT:
294	case EIO_FSTAT:	475	case EIO_FSTAT:
…		…
297	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	478	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
298	PUSHs (sv_2mortal (newSViv (req->result)));	479	PUSHs (sv_2mortal (newSViv (req->result)));
299	break;	480	break;
300		481
301	case EIO_READ:	482	case EIO_READ:
		483	{
302	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	484	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
303	*SvEND (req->sv2) = 0;	485	*SvEND (req->sv2) = 0;
		486	SvPOK_only (req->sv2);
		487	SvSETMAGIC (req->sv2);
304	PUSHs (sv_2mortal (newSViv (req->result)));	488	PUSHs (sv_2mortal (newSViv (req->result)));
		489	}
305	break;	490	break;
306		491
307	case EIO_DUP2:	492	case EIO_DUP2:
308	if (req->result > 0)	493	if (req->result > 0)
309	req->result = 0;	494	req->result = 0;
…		…
355	grp->sv2 = 0;	540	grp->sv2 = 0;
356		541
357	eio_grp_cancel (grp);	542	eio_grp_cancel (grp);
358	}	543	}
359		544
360	#ifdef USE_SOCKETS_AS_HANDLES
361	# define TO_SOCKET(x) (win32_get_osfhandle (x))
362	#else
363	# define TO_SOCKET(x) (x)
364	#endif
365
366	static void	545	static void
367	create_respipe (void)	546	create_respipe (void)
368	{	547	{
369	int old_readfd = respipe [0];
370
371	if (respipe [1] >= 0)
372	respipe_close (TO_SOCKET (respipe [1]));
373
374	#ifdef _WIN32
375	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
376	#else
377	if (pipe (respipe))	548	if (s_epipe_renew (&respipe))
378	#endif
379	croak ("unable to initialize result pipe");	549	croak ("IO::AIO: unable to initialize result pipe");
380
381	if (old_readfd >= 0)
382	{
383	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
384	croak ("unable to initialize result pipe(2)");
385
386	respipe_close (respipe [0]);
387	respipe [0] = old_readfd;
388	}
389
390	#ifdef _WIN32
391	int arg = 1;
392	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
393	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
394	#else
395	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
396	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
397	#endif
398	croak ("unable to initialize result pipe(3)");
399
400	respipe_osf [0] = TO_SOCKET (respipe [0]);
401	respipe_osf [1] = TO_SOCKET (respipe [1]);
402	}	550	}
403		551
404	static void poll_wait (void)	552	static void poll_wait (void)
405	{	553	{
406	fd_set rfd;
407
408	while (eio_nreqs ())	554	while (eio_nreqs ())
409	{	555	{
410	int size;	556	int size;
411		557
412	X_LOCK (reslock);	558	X_LOCK (reslock);
…		…
414	X_UNLOCK (reslock);	560	X_UNLOCK (reslock);
415		561
416	if (size)	562	if (size)
417	return;	563	return;
418		564
419	maybe_start_thread ();	565	etp_maybe_start_thread ();
420		566
421	FD_ZERO (&rfd);	567	s_epipe_wait (&respipe);
422	FD_SET (respipe [0], &rfd);
423
424	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
425	}	568	}
426	}	569	}
427		570
428	static int poll_cb (void)	571	static int poll_cb (void)
429	{	572	{
430	int res;	573	for (;;)
431
432	do
433	{	574	{
434	res = eio_poll ();	575	int res = eio_poll ();
435		576
436	if (res > 0)	577	if (res > 0)
437	croak (0);	578	croak (0);
		579
		580	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		581	return res;
		582
		583	poll_wait ();
438	}	584	}
439	while (max_outstanding && max_outstanding <= eio_nreqs ());
440
441	return res;
442	}	585	}
443		586
444	static void atfork_child (void)	587	static void atfork_child (void)
445	{	588	{
446	create_respipe ();	589	create_respipe ();
447	}	590	}
448		591
		592	/*****************************************************************************/
		593
		594	#define MMAP_MAGIC PERL_MAGIC_ext
		595
		596	static int
		597	mmap_free (pTHX_ SV sv, MAGIC mg)
		598	{
		599	int old_errno = errno;
		600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		601	errno = old_errno;
		602
		603	mg->mg_obj = 0; /* just in case */
		604
		605	SvREADONLY_off (sv);
		606	SvCUR_set (sv, 0);
		607	SvLEN_set (sv, 0);
		608	SvPVX (sv) = 0;
		609	SvOK_off (sv);
		610
		611	return 0;
		612	}
		613
		614	static MGVTBL mmap_vtbl = {
		615	0, 0, 0, 0, mmap_free
		616	};
		617
		618	/*****************************************************************************/
		619
		620	static SV *
		621	get_cb (SV *cb_sv)
		622	{
		623	SvGETMAGIC (cb_sv);
		624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		625	}
		626
449	#define dREQ \	627	#define dREQ \
		628	SV *cb_cv; \
450	aio_req req; \	629	aio_req req; \
451	int req_pri = next_pri; \	630	int req_pri = next_pri; \
452	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	631	next_pri = EIO_PRI_DEFAULT; \
453	\	632	\
454	if (SvOK (callback) && !SvROK (callback)) \	633	cb_cv = get_cb (callback); \
455	croak ("callback must be undef or of reference type"); \
456	\	634	\
457	Newz (0, req, 1, eio_req); \	635	Newz (0, req, 1, eio_req); \
458	if (!req) \	636	if (!req) \
459	croak ("out of memory during eio_req allocation"); \	637	croak ("out of memory during eio_req allocation"); \
460	\	638	\
461	req->callback = newSVsv (callback); \	639	req->callback = SvREFCNT_inc (cb_cv); \
462	req->pri = req_pri	640	req->pri = req_pri
463		641
464	#define REQ_SEND \	642	#define REQ_SEND \
		643	PUTBACK; \
465	req_submit (req); \	644	req_submit (req); \
		645	SPAGAIN; \
466	\	646	\
467	if (GIMME_V != G_VOID) \	647	if (GIMME_V != G_VOID) \
468	XPUSHs (req_sv (req, AIO_REQ_KLASS));	648	XPUSHs (req_sv (req, aio_req_stash));
469		649
470	MODULE = IO::AIO PACKAGE = IO::AIO	650	MODULE = IO::AIO PACKAGE = IO::AIO
471		651
472	PROTOTYPES: ENABLE	652	PROTOTYPES: ENABLE
473		653
474	BOOT:	654	BOOT:
475	{	655	{
476	stash = gv_stashpv ("IO::AIO", 1);	656	static const struct {
477		657	const char *name;
478	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	658	IV iv;
479	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	659	} *civ, const_iv[] = {
480	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	660	# define const_niv(name, value) { # name, (IV) value },
481	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	661	# define const_iv(name) { # name, (IV) name },
482	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	662	# define const_eio(name) { # name, (IV) EIO_ ## name },
		663	const_iv (EXDEV)
		664	const_iv (ENOSYS)
		665	const_iv (O_RDONLY)
		666	const_iv (O_WRONLY)
		667	const_iv (O_CREAT)
		668	const_iv (O_TRUNC)
483	#ifdef _WIN32	669	#ifndef _WIN32
484	X_MUTEX_CHECK (wrklock);	670	const_iv (S_IFIFO)
485	X_MUTEX_CHECK (reslock);
486	X_MUTEX_CHECK (reqlock);
487	X_MUTEX_CHECK (reqwait);
488	X_MUTEX_CHECK (preadwritelock);
489	X_MUTEX_CHECK (readdirlock);
490
491	X_COND_CHECK (reqwait);
492	#else
493	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
494	#endif	671	#endif
		672	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		673	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		674	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		675	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		676	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		677	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
495		678
		679	const_iv (ST_RDONLY)
		680	const_iv (ST_NOSUID)
		681	const_iv (ST_NODEV)
		682	const_iv (ST_NOEXEC)
		683	const_iv (ST_SYNCHRONOUS)
		684	const_iv (ST_MANDLOCK)
		685	const_iv (ST_WRITE)
		686	const_iv (ST_APPEND)
		687	const_iv (ST_IMMUTABLE)
		688	const_iv (ST_NOATIME)
		689	const_iv (ST_NODIRATIME)
		690	const_iv (ST_RELATIME)
		691
		692	const_iv (PROT_EXEC)
		693	const_iv (PROT_NONE)
		694	const_iv (PROT_READ)
		695	const_iv (PROT_WRITE)
		696
		697	/const_iv (MAP_FIXED)/
		698	const_iv (MAP_PRIVATE)
		699	const_iv (MAP_SHARED)
		700	const_iv (MAP_ANONYMOUS)
		701
		702	/* linuxish */
		703	const_iv (MAP_HUGETLB)
		704	const_iv (MAP_LOCKED)
		705	const_iv (MAP_NORESERVE)
		706	const_iv (MAP_POPULATE)
		707	const_iv (MAP_NONBLOCK)
		708
		709	const_iv (MCL_FUTURE)
		710	const_iv (MCL_CURRENT)
		711
		712	const_eio (MS_ASYNC)
		713	const_eio (MS_INVALIDATE)
		714	const_eio (MS_SYNC)
		715
		716	const_eio (MT_MODIFY)
		717
		718	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		719	const_eio (SYNC_FILE_RANGE_WRITE)
		720	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		721
		722	const_eio (READDIR_DENTS)
		723	const_eio (READDIR_DIRS_FIRST)
		724	const_eio (READDIR_STAT_ORDER)
		725	const_eio (READDIR_FOUND_UNKNOWN)
		726
		727	const_eio (DT_UNKNOWN)
		728	const_eio (DT_FIFO)
		729	const_eio (DT_CHR)
		730	const_eio (DT_DIR)
		731	const_eio (DT_BLK)
		732	const_eio (DT_REG)
		733	const_eio (DT_LNK)
		734	const_eio (DT_SOCK)
		735	const_eio (DT_WHT)
		736	};
		737
		738	aio_stash = gv_stashpv ("IO::AIO" , 1);
		739	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		740	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		741
		742	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		743	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		744
		745	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		746
496	create_respipe ();	747	create_respipe ();
497		748
498	if (eio_init (want_poll, done_poll) < 0)	749	if (eio_init (want_poll, done_poll) < 0)
499	croak ("IO::AIO: unable to initialise eio library");	750	croak ("IO::AIO: unable to initialise eio library");
500		751
501	/* atfork child called in fifo order, so before eio's handler */	752	/* atfork child called in fifo order, so before eio's handler */
502	X_THREAD_ATFORK (0, 0, atfork_child);	753	X_THREAD_ATFORK (0, 0, atfork_child);
503	}	754	}
504		755
505	void	756	void
506	max_poll_reqs (int nreqs)	757	max_poll_reqs (int nreqs)
507	PROTOTYPE: $	758	PROTOTYPE: $
…		…
560	ALIAS:	811	ALIAS:
561	aio_fsync = EIO_FSYNC	812	aio_fsync = EIO_FSYNC
562	aio_fdatasync = EIO_FDATASYNC	813	aio_fdatasync = EIO_FDATASYNC
563	PPCODE:	814	PPCODE:
564	{	815	{
		816	int fd = s_fileno_croak (fh, 0);
565	dREQ;	817	dREQ;
566		818
567	req->type = ix;	819	req->type = ix;
568	req->sv1 = newSVsv (fh);	820	req->sv1 = newSVsv (fh);
569	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	821	req->int1 = fd;
		822
		823	REQ_SEND (req);
		824	}
		825
		826	void
		827	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		828	PROTOTYPE: $$$$;$
		829	PPCODE:
		830	{
		831	int fd = s_fileno_croak (fh, 0);
		832	dREQ;
		833
		834	req->type = EIO_SYNC_FILE_RANGE;
		835	req->sv1 = newSVsv (fh);
		836	req->int1 = fd;
		837	req->offs = offset;
		838	req->size = nbytes;
		839	req->int2 = flags;
570		840
571	REQ_SEND (req);	841	REQ_SEND (req);
572	}	842	}
573		843
574	void	844	void
575	aio_close (SV fh, SV callback=&PL_sv_undef)	845	aio_close (SV fh, SV callback=&PL_sv_undef)
576	PROTOTYPE: $;$	846	PROTOTYPE: $;$
577	PPCODE:	847	PPCODE:
578	{	848	{
579	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	849	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		850	int fd = s_fileno_croak (fh, 0);
580	dREQ;	851	dREQ;
581		852
582	if (close_pipe < 0)	853	if (close_pipe < 0)
583	{	854	{
584	int pipefd [2];	855	int pipefd [2];
…		…
592	}	863	}
593		864
594	req->type = EIO_DUP2;	865	req->type = EIO_DUP2;
595	req->int1 = close_pipe;	866	req->int1 = close_pipe;
596	req->sv2 = newSVsv (fh);	867	req->sv2 = newSVsv (fh);
597	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	868	req->int2 = fd;
598		869
599	REQ_SEND (req);	870	REQ_SEND (req);
600	}	871	}
601		872
602	void	873	void
…		…
606	aio_write = EIO_WRITE	877	aio_write = EIO_WRITE
607	PROTOTYPE: $$$$$;$	878	PROTOTYPE: $$$$$;$
608	PPCODE:	879	PPCODE:
609	{	880	{
610	STRLEN svlen;	881	STRLEN svlen;
		882	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
611	char *svptr = SvPVbyte (data, svlen);	883	char *svptr = SvPVbyte (data, svlen);
612	UV len = SvUV (length);	884	UV len = SvUV (length);
613
614	SvUPGRADE (data, SVt_PV);
615	SvPOK_on (data);
616		885
617	if (dataoffset < 0)	886	if (dataoffset < 0)
618	dataoffset += svlen;	887	dataoffset += svlen;
619		888
620	if (dataoffset < 0 \|\| dataoffset > svlen)	889	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
626	if (!SvOK (length) \|\| len + dataoffset > svlen)	895	if (!SvOK (length) \|\| len + dataoffset > svlen)
627	len = svlen - dataoffset;	896	len = svlen - dataoffset;
628	}	897	}
629	else	898	else
630	{	899	{
631	/* read: grow scalar as necessary */	900	/* read: check type and grow scalar as necessary */
		901	SvUPGRADE (data, SVt_PV);
632	svptr = SvGROW (data, len + dataoffset + 1);	902	svptr = SvGROW (data, len + dataoffset + 1);
633	}	903	}
634		904
635	if (len < 0)
636	croak ("length must not be negative");
637
638	{	905	{
639	dREQ;	906	dREQ;
640		907
641	req->type = ix;	908	req->type = ix;
642	req->sv1 = newSVsv (fh);	909	req->sv1 = newSVsv (fh);
643	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	910	req->int1 = fd;
644	: IoOFP (sv_2io (fh)));
645	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	911	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
646	req->size = len;	912	req->size = len;
647	req->sv2 = SvREFCNT_inc (data);	913	req->sv2 = SvREFCNT_inc (data);
648	req->ptr2 = (char *)svptr + dataoffset;	914	req->ptr2 = (char *)svptr + dataoffset;
649	req->stroffset = dataoffset;	915	req->stroffset = dataoffset;
…		…
664	PPCODE:	930	PPCODE:
665	{	931	{
666	SV *data;	932	SV *data;
667	dREQ;	933	dREQ;
668		934
669	data = newSV (NAME_MAX);
670	SvPOK_on (data);
671
672	req->type = EIO_READLINK;	935	req->type = EIO_READLINK;
673	req->sv1 = newSVsv (path);	936	req->sv1 = newSVsv (path);
674	req->ptr1 = SvPVbyte_nolen (req->sv1);	937	req->ptr1 = SvPVbyte_nolen (req->sv1);
675	req->sv2 = data;
676	req->ptr2 = SvPVbyte_nolen (data);
677		938
678	REQ_SEND;	939	REQ_SEND;
679	}	940	}
680		941
681	void	942	void
682	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	943	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
683	PROTOTYPE: $$$$;$	944	PROTOTYPE: $$$$;$
684	PPCODE:	945	PPCODE:
685	{	946	{
		947	int ifd = s_fileno_croak (in_fh , 0);
		948	int ofd = s_fileno_croak (out_fh, 1);
686	dREQ;	949	dREQ;
687		950
688	req->type = EIO_SENDFILE;	951	req->type = EIO_SENDFILE;
689	req->sv1 = newSVsv (out_fh);	952	req->sv1 = newSVsv (out_fh);
690	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	953	req->int1 = ofd;
691	req->sv2 = newSVsv (in_fh);	954	req->sv2 = newSVsv (in_fh);
692	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	955	req->int2 = ifd;
693	req->offs = SvVAL64 (in_offset);	956	req->offs = in_offset;
694	req->size = length;	957	req->size = length;
695		958
696	REQ_SEND;	959	REQ_SEND;
697	}	960	}
698		961
699	void	962	void
700	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	963	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
701	PROTOTYPE: $$$;$	964	PROTOTYPE: $$$;$
702	PPCODE:	965	PPCODE:
703	{	966	{
		967	int fd = s_fileno_croak (fh, 0);
704	dREQ;	968	dREQ;
705		969
706	req->type = EIO_READAHEAD;	970	req->type = EIO_READAHEAD;
707	req->sv1 = newSVsv (fh);	971	req->sv1 = newSVsv (fh);
708	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	972	req->int1 = fd;
709	req->offs = SvVAL64 (offset);	973	req->offs = offset;
710	req->size = length;	974	req->size = length;
711		975
712	REQ_SEND;	976	REQ_SEND;
713	}	977	}
714		978
715	void	979	void
716	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	980	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
717	ALIAS:	981	ALIAS:
718	aio_stat = EIO_STAT	982	aio_stat = EIO_STAT
719	aio_lstat = EIO_LSTAT	983	aio_lstat = EIO_LSTAT
		984	aio_statvfs = EIO_STATVFS
720	PPCODE:	985	PPCODE:
721	{	986	{
722	dREQ;	987	dREQ;
723		988
724	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
725	if (!req->ptr2)
726	{
727	req_destroy (req);
728	croak ("out of memory during aio_stat statdata allocation");
729	}
730
731	req->flags \|= EIO_FLAG_PTR2_FREE;
732	req->sv1 = newSVsv (fh_or_path);	989	req->sv1 = newSVsv (fh_or_path);
733		990
734	if (SvPOK (fh_or_path))	991	if (SvPOK (req->sv1))
735	{	992	{
736	req->type = ix;	993	req->type = ix;
737	req->ptr1 = SvPVbyte_nolen (req->sv1);	994	req->ptr1 = SvPVbyte_nolen (req->sv1);
738	}	995	}
739	else	996	else
740	{	997	{
741	req->type = EIO_FSTAT;	998	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
742	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	999	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
743	}	1000	}
744		1001
745	REQ_SEND;	1002	REQ_SEND;
746	}	1003	}
…		…
753		1010
754	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1011	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
755	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1012	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
756	req->sv1 = newSVsv (fh_or_path);	1013	req->sv1 = newSVsv (fh_or_path);
757		1014
758	if (SvPOK (fh_or_path))	1015	if (SvPOK (req->sv1))
759	{	1016	{
760	req->type = EIO_UTIME;	1017	req->type = EIO_UTIME;
761	req->ptr1 = SvPVbyte_nolen (req->sv1);	1018	req->ptr1 = SvPVbyte_nolen (req->sv1);
762	}	1019	}
763	else	1020	else
…		…
776	dREQ;	1033	dREQ;
777		1034
778	req->sv1 = newSVsv (fh_or_path);	1035	req->sv1 = newSVsv (fh_or_path);
779	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1036	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
780		1037
781	if (SvPOK (fh_or_path))	1038	if (SvPOK (req->sv1))
782	{	1039	{
783	req->type = EIO_TRUNCATE;	1040	req->type = EIO_TRUNCATE;
784	req->ptr1 = SvPVbyte_nolen (req->sv1);	1041	req->ptr1 = SvPVbyte_nolen (req->sv1);
785	}	1042	}
786	else	1043	else
…		…
794		1051
795	void	1052	void
796	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1053	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
797	ALIAS:	1054	ALIAS:
798	aio_chmod = EIO_CHMOD	1055	aio_chmod = EIO_CHMOD
799	aio_fchmod = EIO_FCHMOD
800	aio_mkdir = EIO_MKDIR	1056	aio_mkdir = EIO_MKDIR
801	PPCODE:	1057	PPCODE:
802	{	1058	{
803	dREQ;	1059	dREQ;
804		1060
805	req->type = ix;
806	req->int2 = mode;	1061	req->int2 = mode;
807	req->sv1 = newSVsv (fh_or_path);	1062	req->sv1 = newSVsv (fh_or_path);
808		1063
809	if (ix == EIO_FCHMOD)	1064	if (SvPOK (req->sv1))
810	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1065	{
		1066	req->type = ix;
		1067	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1068	}
811	else	1069	else
812	req->ptr1 = SvPVbyte_nolen (req->sv1);	1070	{
		1071	req->type = EIO_FCHMOD;
		1072	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1073	}
813		1074
814	REQ_SEND;	1075	REQ_SEND;
815	}	1076	}
816		1077
817	void	1078	void
…		…
822		1083
823	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1084	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
824	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1085	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
825	req->sv1 = newSVsv (fh_or_path);	1086	req->sv1 = newSVsv (fh_or_path);
826		1087
827	if (SvPOK (fh_or_path))	1088	if (SvPOK (req->sv1))
828	{	1089	{
829	req->type = EIO_CHOWN;	1090	req->type = EIO_CHOWN;
830	req->ptr1 = SvPVbyte_nolen (req->sv1);	1091	req->ptr1 = SvPVbyte_nolen (req->sv1);
831	}	1092	}
832	else	1093	else
…		…
837		1098
838	REQ_SEND;	1099	REQ_SEND;
839	}	1100	}
840		1101
841	void	1102	void
		1103	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1104	PPCODE:
		1105	{
		1106	dREQ;
		1107
		1108	req->type = EIO_READDIR;
		1109	req->sv1 = newSVsv (pathname);
		1110	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1111	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1112
		1113	if (flags & EIO_READDIR_DENTS)
		1114	req->int1 \|= EIO_READDIR_CUSTOM2;
		1115
		1116	REQ_SEND;
		1117	}
		1118
		1119	void
842	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1120	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
843	ALIAS:	1121	ALIAS:
844	aio_unlink = EIO_UNLINK	1122	aio_unlink = EIO_UNLINK
845	aio_rmdir = EIO_RMDIR	1123	aio_rmdir = EIO_RMDIR
846	aio_readdir = EIO_READDIR	1124	aio_readdir = EIO_READDIR
…		…
888		1166
889	REQ_SEND;	1167	REQ_SEND;
890	}	1168	}
891		1169
892	void	1170	void
		1171	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1172	ALIAS:
		1173	aio_mtouch = EIO_MTOUCH
		1174	aio_msync = EIO_MSYNC
		1175	PROTOTYPE: $$$$;$
		1176	PPCODE:
		1177	{
		1178	STRLEN svlen;
		1179	UV len = SvUV (length);
		1180	char *svptr = SvPVbyte (data, svlen);
		1181
		1182	if (offset < 0)
		1183	offset += svlen;
		1184
		1185	if (offset < 0 \|\| offset > svlen)
		1186	croak ("offset outside of scalar");
		1187
		1188	if (!SvOK (length) \|\| len + offset > svlen)
		1189	len = svlen - offset;
		1190
		1191	{
		1192	dREQ;
		1193
		1194	req->type = ix;
		1195	req->size = len;
		1196	req->sv2 = SvREFCNT_inc (data);
		1197	req->ptr2 = (char *)svptr + offset;
		1198	req->int1 = flags;
		1199
		1200	REQ_SEND;
		1201	}
		1202	}
		1203
		1204	void
893	aio_busy (double delay, SV *callback=&PL_sv_undef)	1205	aio_busy (double delay, SV *callback=&PL_sv_undef)
894	PPCODE:	1206	PPCODE:
895	{	1207	{
896	dREQ;	1208	dREQ;
897		1209
…		…
908	{	1220	{
909	dREQ;	1221	dREQ;
910		1222
911	req->type = EIO_GROUP;	1223	req->type = EIO_GROUP;
912		1224
913	eio_submit (req);	1225	req_submit (req);
914	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1226	XPUSHs (req_sv (req, aio_grp_stash));
915	}	1227	}
916		1228
917	void	1229	void
918	aio_nop (SV *callback=&PL_sv_undef)	1230	aio_nop (SV *callback=&PL_sv_undef)
919	ALIAS:	1231	ALIAS:
…		…
930		1242
931	int	1243	int
932	aioreq_pri (int pri = 0)	1244	aioreq_pri (int pri = 0)
933	PROTOTYPE: ;$	1245	PROTOTYPE: ;$
934	CODE:	1246	CODE:
935	RETVAL = next_pri - EIO_PRI_BIAS;	1247	RETVAL = next_pri;
936	if (items > 0)	1248	if (items > 0)
937	{	1249	{
938	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1250	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
939	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1251	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
940	next_pri = pri + EIO_PRI_BIAS;	1252	next_pri = pri;
941	}	1253	}
942	OUTPUT:	1254	OUTPUT:
943	RETVAL	1255	RETVAL
944		1256
945	void	1257	void
946	aioreq_nice (int nice = 0)	1258	aioreq_nice (int nice = 0)
947	CODE:	1259	CODE:
948	nice = next_pri - nice;	1260	nice = next_pri - nice;
949	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1261	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
950	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1262	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
951	next_pri = nice + EIO_PRI_BIAS;	1263	next_pri = nice;
952		1264
953	void	1265	void
954	flush ()	1266	flush ()
955	PROTOTYPE:	1267	PROTOTYPE:
956	CODE:	1268	CODE:
…		…
971		1283
972	int	1284	int
973	poll_fileno()	1285	poll_fileno()
974	PROTOTYPE:	1286	PROTOTYPE:
975	CODE:	1287	CODE:
976	RETVAL = respipe [0];	1288	RETVAL = s_epipe_fd (&respipe);
977	OUTPUT:	1289	OUTPUT:
978	RETVAL	1290	RETVAL
979		1291
980	int	1292	int
981	poll_cb(...)	1293	poll_cb(...)
…		…
1017		1329
1018	int	1330	int
1019	nthreads()	1331	nthreads()
1020	PROTOTYPE:	1332	PROTOTYPE:
1021	CODE:	1333	CODE:
1022	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1334	RETVAL = eio_nthreads ();
1023	RETVAL = started;
1024	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1025	OUTPUT:	1335	OUTPUT:
1026	RETVAL	1336	RETVAL
1027		1337
		1338	int
		1339	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1340	PROTOTYPE: $$$$
		1341	CODE:
		1342	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1343	RETVAL = posix_fadvise (fh, offset, length, advice);
		1344	#else
		1345	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
		1346	#endif
		1347	OUTPUT:
		1348	RETVAL
		1349
		1350	ssize_t
		1351	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1352	PROTOTYPE: $$$$
		1353	CODE:
		1354	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1355	OUTPUT:
		1356	RETVAL
		1357
		1358	void
		1359	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1360	PROTOTYPE: $$$$$;$
		1361	PPCODE:
		1362	sv_unmagic (scalar, MMAP_MAGIC);
		1363	{
		1364	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1365	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1366	if (addr == (void *)-1)
		1367	XSRETURN_NO;
		1368
		1369	/* we store the length in mg_obj, as namlen is I32 :/ */
		1370	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1371	->mg_obj = (SV *)length;
		1372
		1373	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1374	if (!(prot & PROT_WRITE))
		1375	SvREADONLY_on (scalar);
		1376
		1377	SvPVX (scalar) = (char *)addr;
		1378	SvCUR_set (scalar, length);
		1379	SvLEN_set (scalar, 0);
		1380	SvPOK_only (scalar);
		1381
		1382	XSRETURN_YES;
		1383	}
		1384
		1385	void
		1386	munmap (SV *scalar)
		1387	PROTOTYPE: $
		1388	CODE:
		1389	sv_unmagic (scalar, MMAP_MAGIC);
		1390
		1391	int
		1392	mlockall (int flags)
		1393	PROTOTYPE: $
		1394	CODE:
		1395	#if _POSIX_MEMLOCK
		1396	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1397	extern int mallopt (int, int);
		1398	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1399	#endif
		1400	mlockall (flags);
		1401	#else
		1402	RETVAL = -1;
		1403	errno = ENOSYS;
		1404	#endif
		1405	OUTPUT:
		1406	RETVAL
		1407
		1408	int
		1409	munlockall ()
		1410	PROTOTYPE:
		1411	CODE:
		1412	#if _POSIX_MEMLOCK
		1413	munlockall ();
		1414	#else
		1415	RETVAL = -1;
		1416	errno = ENOSYS;
		1417	#endif
		1418	OUTPUT:
		1419	RETVAL
		1420
1028	void _on_next_submit (SV *cb)	1421	void _on_next_submit (SV *cb)
1029	CODE:	1422	CODE:
1030	SvREFCNT_dec (on_next_submit);	1423	SvREFCNT_dec (on_next_submit);
1031	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1424	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1032		1425
…		…
1039	CODE:	1432	CODE:
1040	eio_cancel (req);	1433	eio_cancel (req);
1041		1434
1042	void	1435	void
1043	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1436	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1044	CODE:	1437	PPCODE:
		1438	{
		1439	if (GIMME_V != G_VOID)
		1440	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1441
		1442	if (items > 1)
		1443	{
		1444	SV *cb_cv =get_cb (callback);
		1445
1045	SvREFCNT_dec (req->callback);	1446	SvREFCNT_dec (req->callback);
1046	req->callback = newSVsv (callback);	1447	req->callback = SvREFCNT_inc (cb_cv);
		1448	}
		1449	}
1047		1450
1048	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1451	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1049		1452
1050	void	1453	void
1051	add (aio_req grp, ...)	1454	add (aio_req grp, ...)
…		…
1083	AV *av;	1486	AV *av;
1084		1487
1085	grp->errorno = errno;	1488	grp->errorno = errno;
1086		1489
1087	av = newAV ();	1490	av = newAV ();
		1491	av_extend (av, items - 1);
1088		1492
1089	for (i = 1; i < items; ++i )	1493	for (i = 1; i < items; ++i )
1090	av_push (av, newSVsv (ST (i)));	1494	av_push (av, newSVsv (ST (i)));
1091		1495
1092	SvREFCNT_dec (grp->sv1);	1496	SvREFCNT_dec (grp->sv1);
…		…
1106	void	1510	void
1107	feed (aio_req grp, SV *callback=&PL_sv_undef)	1511	feed (aio_req grp, SV *callback=&PL_sv_undef)
1108	CODE:	1512	CODE:
1109	{	1513	{
1110	SvREFCNT_dec (grp->sv2);	1514	SvREFCNT_dec (grp->sv2);
1111	grp->sv2 = newSVsv (callback);	1515	grp->sv2 = newSVsv (callback);
		1516	grp->feed = aio_grp_feed;
1112		1517
1113	if (grp->int2 <= 0)	1518	if (grp->int2 <= 0)
1114	grp->int2 = 2;	1519	grp->int2 = 2;
1115		1520
1116	eio_grp_limit (grp, grp->int2);	1521	eio_grp_limit (grp, grp->int2);

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+Removed lines
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Comparing IO-AIO/AIO.xs (file contents): Revision 1.118 by root, Sun May 11 00:01:03 2008 UTC vs. Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.118 by root, Sun May 11 00:01:03 2008 UTC vs.
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC