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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.128 by root, Tue Sep 30 14:07:59 2008 UTC vs.
Revision 1.176 by root, Thu Dec 2 10:04:47 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; \
108	SV *self;	119	SV *self;
109		120
110	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
111		122
		123	#include "libeio/config.h"
112	#include "libeio/eio.h"	124	#include "libeio/eio.h"
		125
		126	#ifndef POSIX_FADV_NORMAL
		127	# define POSIX_FADV_NORMAL 0
		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	#if !HAVE_POSIX_FADVISE
		146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		147	#endif
		148
		149	#ifndef POSIX_MADV_NORMAL
		150	# define POSIX_MADV_NORMAL 0
		151	#endif
		152	#ifndef POSIX_MADV_SEQUENTIAL
		153	# define POSIX_MADV_SEQUENTIAL 0
		154	#endif
		155	#ifndef POSIX_MADV_RANDOM
		156	# define POSIX_MADV_RANDOM 0
		157	#endif
		158	#ifndef POSIX_MADV_WILLNEED
		159	# define POSIX_MADV_WILLNEED 0
		160	#endif
		161	#ifndef POSIX_MADV_DONTNEED
		162	# define POSIX_MADV_DONTNEED 0
		163	#endif
		164
		165	#if !HAVE_POSIX_MADVISE
		166	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		167	#endif
		168
		169	#ifndef PROT_NONE
		170	# define PROT_NONE 0
		171	#endif
		172	#ifndef PROT_READ
		173	# define PROT_READ 0
		174	#endif
		175	#ifndef PROT_WRITE
		176	# define PROT_READ 0
		177	#endif
		178	#ifndef PROT_EXEC
		179	# define PROT_EXEC 0
		180	#endif
		181
		182	#ifndef ST_NODEV
		183	# define ST_NODEV 0
		184	#endif
		185	#ifndef ST_NOEXEC
		186	# define ST_NOEXEC 0
		187	#endif
		188	#ifndef ST_SYNCHRONOUS
		189	# define ST_SYNCHRONOUS 0
		190	#endif
		191	#ifndef ST_MANDLOCK
		192	# define ST_MANDLOCK 0
		193	#endif
		194	#ifndef ST_WRITE
		195	# define ST_WRITE 0
		196	#endif
		197	#ifndef ST_APPEND
		198	# define ST_APPEND 0
		199	#endif
		200	#ifndef ST_IMMUTABLE
		201	# define ST_IMMUTABLE 0
		202	#endif
		203	#ifndef ST_NOATIME
		204	# define ST_NOATIME 0
		205	#endif
		206	#ifndef ST_NODIRATIME
		207	# define ST_NODIRATIME 0
		208	#endif
		209	#ifndef ST_RELATIME
		210	# define ST_RELATIME 0
		211	#endif
		212
		213	#ifndef MAP_ANONYMOUS
		214	# ifdef MAP_ANON
		215	# define MAP_ANONYMOUS MAP_ANON
		216	# else
		217	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		218	# endif
		219	#endif
		220	#ifndef MAP_HUGETLB
		221	# define MAP_HUGETLB 0
		222	#endif
		223	#ifndef MAP_LOCKED
		224	# define MAP_LOCKED 0
		225	#endif
		226	#ifndef MAP_NORESERVE
		227	# define MAP_NORESERVE 0
		228	#endif
		229	#ifndef MAP_POPULATE
		230	# define MAP_POPULATE 0
		231	#endif
		232	#ifndef MAP_NONBLOCK
		233	# define MAP_NONBLOCK 0
		234	#endif
		235
		236	#ifndef PAGESIZE
		237	# define PAGESIZE sysconf (_SC_PAGESIZE)
		238	#endif
113		239
114	static int req_invoke (eio_req *req);	240	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	241	#define EIO_FINISH(req) req_invoke (req)
116	static void aio_grp_feed (eio_req *grp);
117	#define EIO_FEED(req) aio_grp_feed (req)
118	static void req_destroy (eio_req *grp);	242	static void req_destroy (eio_req *grp);
119	#define EIO_DESTROY(req) req_destroy (req)	243	#define EIO_DESTROY(req) req_destroy (req)
120		244
121	enum {	245	enum {
122	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	246	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
129		253
130	static SV *on_next_submit;	254	static SV *on_next_submit;
131	static int next_pri = EIO_PRI_DEFAULT;	255	static int next_pri = EIO_PRI_DEFAULT;
132	static int max_outstanding;	256	static int max_outstanding;
133		257
134	static int respipe_osf [2], respipe [2] = { -1, -1 };	258	static s_epipe respipe;
135		259
136	static void req_destroy (aio_req req);	260	static void req_destroy (aio_req req);
137	static void req_cancel (aio_req req);	261	static void req_cancel (aio_req req);
138		262
139	static void want_poll (void)	263	static void want_poll (void)
140	{	264	{
141	/* write a dummy byte to the pipe so fh becomes ready */	265	/* write a dummy byte to the pipe so fh becomes ready */
142	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	266	s_epipe_signal (&respipe);
143	}	267	}
144		268
145	static void done_poll (void)	269	static void done_poll (void)
146	{	270	{
147	/* read any signals sent by the worker threads */	271	/* read any signals sent by the worker threads */
148	char buf [4];	272	s_epipe_drain (&respipe);
149	while (respipe_read (respipe [0], buf, 4) == 4)
150	;
151	}	273	}
152		274
153	/* must be called at most once */	275	/* must be called at most once */
154	static SV req_sv (aio_req req, const char klass)	276	static SV req_sv (aio_req req, HV stash)
155	{	277	{
156	if (!req->self)	278	if (!req->self)
157	{	279	{
158	req->self = (SV *)newHV ();	280	req->self = (SV *)newHV ();
159	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	281	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
160	}	282	}
161		283
162	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	284	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
163	}	285	}
164		286
165	static aio_req SvAIO_REQ (SV *sv)	287	static aio_req SvAIO_REQ (SV *sv)
166	{	288	{
167	MAGIC *mg;	289	MAGIC *mg;
168		290
169	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	291	if (!SvROK (sv)
		292	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		293	&& SvSTASH (SvRV (sv)) != aio_req_stash
		294	&& !sv_derived_from (sv, "IO::AIO::REQ")))
170	croak ("object of class " AIO_REQ_KLASS " expected");	295	croak ("object of class IO::AIO::REQ expected");
171		296
172	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	297	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
173		298
174	return mg ? (aio_req)mg->mg_ptr : 0;	299	return mg ? (aio_req)mg->mg_ptr : 0;
175	}	300	}
…		…
181	dSP;	306	dSP;
182		307
183	ENTER;	308	ENTER;
184	SAVETMPS;	309	SAVETMPS;
185	PUSHMARK (SP);	310	PUSHMARK (SP);
186	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	311	XPUSHs (req_sv (grp, aio_grp_stash));
187	PUTBACK;	312	PUTBACK;
188	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	313	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
189	SPAGAIN;	314	SPAGAIN;
190	FREETMPS;	315	FREETMPS;
191	LEAVE;	316	LEAVE;
…		…
209	}	334	}
210	}	335	}
211		336
212	static int req_invoke (eio_req *req)	337	static int req_invoke (eio_req *req)
213	{	338	{
214	dSP;
215
216	if (req->flags & FLAG_SV2_RO_OFF)	339	if (req->flags & FLAG_SV2_RO_OFF)
217	SvREADONLY_off (req->sv2);	340	SvREADONLY_off (req->sv2);
218		341
219	if (!EIO_CANCELLED (req) && req->callback)	342	if (!EIO_CANCELLED (req) && req->callback)
220	{	343	{
		344	dSP;
		345	static SV sv_result_cache; / caches the result integer SV */
		346	SV *sv_result;
		347
221	ENTER;	348	ENTER;
222	SAVETMPS;	349	SAVETMPS;
223	PUSHMARK (SP);	350	PUSHMARK (SP);
224	EXTEND (SP, 1);	351	EXTEND (SP, 1);
		352
		353	/* do not recreate the result IV from scratch each time */
		354	if (expect_true (sv_result_cache))
		355	{
		356	sv_result = sv_result_cache; sv_result_cache = 0;
		357	SvIV_set (sv_result, req->result);
		358	}
		359	else
		360	{
		361	sv_result = newSViv (req->result);
		362	SvREADONLY_on (sv_result);
		363	}
225		364
226	switch (req->type)	365	switch (req->type)
227	{	366	{
228	case EIO_READDIR:	367	case EIO_READDIR:
229	{	368	{
230	SV *rv = &PL_sv_undef;	369	SV *rv = &PL_sv_undef;
231		370
232	if (req->result >= 0)	371	if (req->result >= 0)
233	{	372	{
234	int i;	373	int i;
235	char *buf = req->ptr2;	374	char names = (char )req->ptr2;
		375	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
236	AV *av = newAV ();	376	AV *av = newAV ();
237		377
238	av_extend (av, req->result - 1);	378	av_extend (av, req->result - 1);
239		379
240	for (i = 0; i < req->result; ++i)	380	for (i = 0; i < req->result; ++i)
241	{	381	{
242	SV *sv = newSVpv (buf, 0);	382	if (req->int1 & EIO_READDIR_DENTS)
		383	{
		384	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
243		385
		386	if (req->int1 & EIO_READDIR_CUSTOM2)
		387	{
		388	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		389	AV *avent = newAV ();
		390
		391	av_extend (avent, 2);
		392
		393	if (!sv_type [ent->type])
		394	{
		395	sv_type [ent->type] = newSViv (ent->type);
		396	SvREADONLY_on (sv_type [ent->type]);
		397	}
		398
		399	av_store (avent, 0, namesv);
		400	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		401	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		402
		403	av_store (av, i, newRV_noinc ((SV *)avent));
		404	}
		405	else
244	av_store (av, i, sv);	406	av_store (av, i, namesv);
		407
		408	++ent;
		409	}
		410	else
		411	{
		412	SV *name = newSVpv (names, 0);
		413	av_store (av, i, name);
245	buf += SvCUR (sv) + 1;	414	names += SvCUR (name) + 1;
		415	}
246	}	416	}
247		417
248	rv = sv_2mortal (newRV_noinc ((SV *)av));	418	rv = sv_2mortal (newRV_noinc ((SV *)av));
249	}	419	}
250		420
251	PUSHs (rv);	421	PUSHs (rv);
		422
		423	if (req->int1 & EIO_READDIR_CUSTOM1)
		424	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
252	}	425	}
253	break;	426	break;
254		427
255	case EIO_OPEN:	428	case EIO_OPEN:
256	{	429	{
…		…
262	GV gv = (GV )sv_newmortal ();	435	GV gv = (GV )sv_newmortal ();
263	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	436	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
264	char sym [64];	437	char sym [64];
265	int symlen;	438	int symlen;
266		439
267	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	440	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
268	gv_init (gv, stash, sym, symlen, 0);	441	gv_init (gv, aio_stash, sym, symlen, 0);
269		442
270	symlen = snprintf (	443	symlen = snprintf (
271	sym,	444	sym,
272	sizeof (sym),	445	sizeof (sym),
273	"%s&=%d",	446	"%s&=%d",
274	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	447	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
275	req->result	448	(int)req->result
276	);	449	);
277		450
278	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	451	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
279	fh = (SV *)gv;	452	fh = (SV *)gv;
280	}	453	}
281		454
282	PUSHs (fh);	455	PUSHs (fh);
283	}	456	}
		457	break;
		458
		459	case EIO_STATVFS:
		460	case EIO_FSTATVFS:
		461	{
		462	SV *rv = &PL_sv_undef;
		463
		464	if (req->result >= 0)
		465	{
		466	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		467	HV *hv = newHV ();
		468
		469	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		470
		471	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		472	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		473	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		474	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		475	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		476	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		477	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		478	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		479	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		480	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		481	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		482	}
		483
		484	PUSHs (rv);
		485	}
		486
284	break;	487	break;
285		488
286	case EIO_GROUP:	489	case EIO_GROUP:
287	req->int1 = 2; /* mark group as finished */	490	req->int1 = 2; /* mark group as finished */
288		491
…		…
310	case EIO_LSTAT:	513	case EIO_LSTAT:
311	case EIO_FSTAT:	514	case EIO_FSTAT:
312	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	515	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
313	PL_laststatval = req->result;	516	PL_laststatval = req->result;
314	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	517	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
315	PUSHs (sv_2mortal (newSViv (req->result)));	518	PUSHs (sv_result);
316	break;	519	break;
317		520
318	case EIO_READ:	521	case EIO_READ:
		522	{
319	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	523	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
320	*SvEND (req->sv2) = 0;	524	*SvEND (req->sv2) = 0;
321	PUSHs (sv_2mortal (newSViv (req->result)));	525	SvPOK_only (req->sv2);
		526	SvSETMAGIC (req->sv2);
		527	PUSHs (sv_result);
		528	}
322	break;	529	break;
323		530
324	case EIO_DUP2:	531	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
325	if (req->result > 0)	532	if (req->result > 0)
326	req->result = 0;	533	SvIV_set (sv_result, 0);
327	/* FALLTHROUGH */	534	/* FALLTHROUGH */
328		535
329	default:	536	default:
330	PUSHs (sv_2mortal (newSViv (req->result)));	537	PUSHs (sv_result);
331	break;	538	break;
332	}	539	}
333		540
334	errno = req->errorno;	541	errno = req->errorno;
335		542
336	PUTBACK;	543	PUTBACK;
337	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	544	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
338	SPAGAIN;	545	SPAGAIN;
		546
		547	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		548	SvREFCNT_dec (sv_result);
		549	else
		550	sv_result_cache = sv_result;
339		551
340	FREETMPS;	552	FREETMPS;
341	LEAVE;	553	LEAVE;
342		554
343	PUTBACK;	555	PUTBACK;
…		…
372	grp->sv2 = 0;	584	grp->sv2 = 0;
373		585
374	eio_grp_cancel (grp);	586	eio_grp_cancel (grp);
375	}	587	}
376		588
377	#ifdef USE_SOCKETS_AS_HANDLES
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))
379	#else
380	# define TO_SOCKET(x) (x)
381	#endif
382
383	static void	589	static void
384	create_respipe (void)	590	create_respipe (void)
385	{	591	{
386	int old_readfd = respipe [0];
387
388	if (respipe [1] >= 0)
389	respipe_close (TO_SOCKET (respipe [1]));
390
391	#ifdef _WIN32
392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393	#else
394	if (pipe (respipe))	592	if (s_epipe_renew (&respipe))
395	#endif
396	croak ("unable to initialize result pipe");	593	croak ("IO::AIO: unable to initialize result pipe");
397
398	if (old_readfd >= 0)
399	{
400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401	croak ("unable to initialize result pipe(2)");
402
403	respipe_close (respipe [0]);
404	respipe [0] = old_readfd;
405	}
406
407	#ifdef _WIN32
408	int arg = 1;
409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411	#else
412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
414	#endif
415	croak ("unable to initialize result pipe(3)");
416
417	respipe_osf [0] = TO_SOCKET (respipe [0]);
418	respipe_osf [1] = TO_SOCKET (respipe [1]);
419	}	594	}
420		595
421	static void poll_wait (void)	596	static void poll_wait (void)
422	{	597	{
423	fd_set rfd;
424
425	while (eio_nreqs ())	598	while (eio_nreqs ())
426	{	599	{
427	int size;	600	int size;
428		601
429	X_LOCK (reslock);	602	X_LOCK (reslock);
…		…
433	if (size)	606	if (size)
434	return;	607	return;
435		608
436	etp_maybe_start_thread ();	609	etp_maybe_start_thread ();
437		610
438	FD_ZERO (&rfd);	611	s_epipe_wait (&respipe);
439	FD_SET (respipe [0], &rfd);
440
441	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
442	}	612	}
443	}	613	}
444		614
445	static int poll_cb (void)	615	static int poll_cb (void)
446	{	616	{
…		…
461	static void atfork_child (void)	631	static void atfork_child (void)
462	{	632	{
463	create_respipe ();	633	create_respipe ();
464	}	634	}
465		635
		636	/*****************************************************************************/
		637
		638	#if !_POSIX_MAPPED_FILES
		639	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		640	# define munmap(addr,length) (errno = ENOSYS, -1)
		641	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		642	# define PROT_NONE 0
		643	# define PROT_WRITE 0
		644	# define MAP_PRIVATE 0
		645	# define MAP_SHARED 0
		646	# define MAP_FIXED 0
		647	#endif
		648
		649	#define MMAP_MAGIC PERL_MAGIC_ext
		650
		651	static int
		652	mmap_free (pTHX_ SV sv, MAGIC mg)
		653	{
		654	int old_errno = errno;
		655	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		656	errno = old_errno;
		657
		658	mg->mg_obj = 0; /* just in case */
		659
		660	SvREADONLY_off (sv);
		661
		662	if (SvPVX (sv) != mg->mg_ptr)
		663	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		664
		665	SvCUR_set (sv, 0);
		666	SvPVX (sv) = 0;
		667	SvOK_off (sv);
		668
		669	return 0;
		670	}
		671
		672	static MGVTBL mmap_vtbl = {
		673	0, 0, 0, 0, mmap_free
		674	};
		675
		676	/*****************************************************************************/
		677
466	static SV *	678	static SV *
467	get_cb (SV *cb_sv)	679	get_cb (SV *cb_sv)
468	{	680	{
469	HV *st;	681	SvGETMAGIC (cb_sv);
470	GV *gvp;	682	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
471	CV *cv;
472
473	if (!SvOK (cb_sv))
474	return 0;
475
476	cv = sv_2cv (cb_sv, &st, &gvp, 0);
477
478	if (!cv)
479	croak ("IO::AIO watcher callback must be undef or a CODE reference");
480
481	return (SV *)cv;
482	}	683	}
483		684
484	#define dREQ \	685	#define dREQ \
485	SV *cb_cv; \	686	SV *cb_cv; \
486	aio_req req; \	687	aio_req req; \
…		…
500	PUTBACK; \	701	PUTBACK; \
501	req_submit (req); \	702	req_submit (req); \
502	SPAGAIN; \	703	SPAGAIN; \
503	\	704	\
504	if (GIMME_V != G_VOID) \	705	if (GIMME_V != G_VOID) \
505	XPUSHs (req_sv (req, AIO_REQ_KLASS));	706	XPUSHs (req_sv (req, aio_req_stash));
506		707
507	MODULE = IO::AIO PACKAGE = IO::AIO	708	MODULE = IO::AIO PACKAGE = IO::AIO
508		709
509	PROTOTYPES: ENABLE	710	PROTOTYPES: ENABLE
510		711
511	BOOT:	712	BOOT:
512	{	713	{
513	stash = gv_stashpv ("IO::AIO", 1);	714	static const struct {
514		715	const char *name;
515	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	716	IV iv;
516	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	717	} *civ, const_iv[] = {
517	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	718	# define const_niv(name, value) { # name, (IV) value },
518	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	719	# define const_iv(name) { # name, (IV) name },
519	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	720	# define const_eio(name) { # name, (IV) EIO_ ## name },
		721	const_iv (EXDEV)
		722	const_iv (ENOSYS)
		723	const_iv (O_RDONLY)
		724	const_iv (O_WRONLY)
		725	const_iv (O_RDWR)
		726	const_iv (O_CREAT)
		727	const_iv (O_TRUNC)
		728	const_iv (O_EXCL)
		729	const_iv (O_APPEND)
520	#ifndef _WIN32	730	#ifndef _WIN32
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	731	const_iv (S_IFIFO)
522	#endif	732	#endif
		733	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		734	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		735	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		736	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		737	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		738	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
523		739
		740	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		741	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		742	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		743	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		744	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		745
		746	const_iv (ST_RDONLY)
		747	const_iv (ST_NOSUID)
		748	const_iv (ST_NODEV)
		749	const_iv (ST_NOEXEC)
		750	const_iv (ST_SYNCHRONOUS)
		751	const_iv (ST_MANDLOCK)
		752	const_iv (ST_WRITE)
		753	const_iv (ST_APPEND)
		754	const_iv (ST_IMMUTABLE)
		755	const_iv (ST_NOATIME)
		756	const_iv (ST_NODIRATIME)
		757	const_iv (ST_RELATIME)
		758
		759	const_iv (PROT_NONE)
		760	const_iv (PROT_EXEC)
		761	const_iv (PROT_READ)
		762	const_iv (PROT_WRITE)
		763
		764	/const_iv (MAP_FIXED)/
		765	const_iv (MAP_PRIVATE)
		766	const_iv (MAP_SHARED)
		767	const_iv (MAP_ANONYMOUS)
		768
		769	/* linuxish */
		770	const_iv (MAP_HUGETLB)
		771	const_iv (MAP_LOCKED)
		772	const_iv (MAP_NORESERVE)
		773	const_iv (MAP_POPULATE)
		774	const_iv (MAP_NONBLOCK)
		775
		776	const_eio (MCL_FUTURE)
		777	const_eio (MCL_CURRENT)
		778
		779	const_eio (MS_ASYNC)
		780	const_eio (MS_INVALIDATE)
		781	const_eio (MS_SYNC)
		782
		783	const_eio (MT_MODIFY)
		784
		785	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		786	const_eio (SYNC_FILE_RANGE_WRITE)
		787	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		788
		789	const_eio (READDIR_DENTS)
		790	const_eio (READDIR_DIRS_FIRST)
		791	const_eio (READDIR_STAT_ORDER)
		792	const_eio (READDIR_FOUND_UNKNOWN)
		793
		794	const_eio (DT_UNKNOWN)
		795	const_eio (DT_FIFO)
		796	const_eio (DT_CHR)
		797	const_eio (DT_DIR)
		798	const_eio (DT_BLK)
		799	const_eio (DT_REG)
		800	const_eio (DT_LNK)
		801	const_eio (DT_SOCK)
		802	const_eio (DT_WHT)
		803	};
		804
		805	aio_stash = gv_stashpv ("IO::AIO" , 1);
		806	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		807	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		808
		809	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		810	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		811
		812	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		813
524	create_respipe ();	814	create_respipe ();
525		815
526	if (eio_init (want_poll, done_poll) < 0)	816	if (eio_init (want_poll, done_poll) < 0)
527	croak ("IO::AIO: unable to initialise eio library");	817	croak ("IO::AIO: unable to initialise eio library");
528		818
529	/* atfork child called in fifo order, so before eio's handler */	819	/* atfork child called in fifo order, so before eio's handler */
530	X_THREAD_ATFORK (0, 0, atfork_child);	820	X_THREAD_ATFORK (0, 0, atfork_child);
531	}	821	}
532		822
533	void	823	void
534	max_poll_reqs (int nreqs)	824	max_poll_reqs (int nreqs)
535	PROTOTYPE: $	825	PROTOTYPE: $
…		…
566	CODE:	856	CODE:
567	max_outstanding = maxreqs;	857	max_outstanding = maxreqs;
568		858
569	void	859	void
570	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	860	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
571	PROTOTYPE: $$$;$
572	PPCODE:	861	PPCODE:
573	{	862	{
574	dREQ;	863	dREQ;
575		864
576	req->type = EIO_OPEN;	865	req->type = EIO_OPEN;
…		…
582	REQ_SEND;	871	REQ_SEND;
583	}	872	}
584		873
585	void	874	void
586	aio_fsync (SV fh, SV callback=&PL_sv_undef)	875	aio_fsync (SV fh, SV callback=&PL_sv_undef)
587	PROTOTYPE: $;$
588	ALIAS:	876	ALIAS:
589	aio_fsync = EIO_FSYNC	877	aio_fsync = EIO_FSYNC
590	aio_fdatasync = EIO_FDATASYNC	878	aio_fdatasync = EIO_FDATASYNC
591	PPCODE:	879	PPCODE:
592	{	880	{
		881	int fd = s_fileno_croak (fh, 0);
593	dREQ;	882	dREQ;
594		883
595	req->type = ix;	884	req->type = ix;
596	req->sv1 = newSVsv (fh);	885	req->sv1 = newSVsv (fh);
597	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	886	req->int1 = fd;
598		887
599	REQ_SEND (req);	888	REQ_SEND (req);
600	}	889	}
601		890
602	void	891	void
		892	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		893	PPCODE:
		894	{
		895	int fd = s_fileno_croak (fh, 0);
		896	dREQ;
		897
		898	req->type = EIO_SYNC_FILE_RANGE;
		899	req->sv1 = newSVsv (fh);
		900	req->int1 = fd;
		901	req->offs = offset;
		902	req->size = nbytes;
		903	req->int2 = flags;
		904
		905	REQ_SEND (req);
		906	}
		907
		908	void
603	aio_close (SV fh, SV callback=&PL_sv_undef)	909	aio_close (SV fh, SV callback=&PL_sv_undef)
604	PROTOTYPE: $;$
605	PPCODE:	910	PPCODE:
606	{	911	{
607	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	912	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		913	int fd = s_fileno_croak (fh, 0);
608	dREQ;	914	dREQ;
609		915
610	if (close_pipe < 0)	916	if (close_pipe < 0)
611	{	917	{
612	int pipefd [2];	918	int pipefd [2];
…		…
620	}	926	}
621		927
622	req->type = EIO_DUP2;	928	req->type = EIO_DUP2;
623	req->int1 = close_pipe;	929	req->int1 = close_pipe;
624	req->sv2 = newSVsv (fh);	930	req->sv2 = newSVsv (fh);
625	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	931	req->int2 = fd;
626		932
627	REQ_SEND (req);	933	REQ_SEND (req);
628	}	934	}
629		935
630	void	936	void
631	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	937	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
632	ALIAS:	938	ALIAS:
633	aio_read = EIO_READ	939	aio_read = EIO_READ
634	aio_write = EIO_WRITE	940	aio_write = EIO_WRITE
635	PROTOTYPE: $$$$$;$
636	PPCODE:	941	PPCODE:
637	{	942	{
638	STRLEN svlen;	943	STRLEN svlen;
		944	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
639	char *svptr = SvPVbyte (data, svlen);	945	char *svptr = SvPVbyte (data, svlen);
640	UV len = SvUV (length);	946	UV len = SvUV (length);
641
642	SvUPGRADE (data, SVt_PV);
643	SvPOK_on (data);
644		947
645	if (dataoffset < 0)	948	if (dataoffset < 0)
646	dataoffset += svlen;	949	dataoffset += svlen;
647		950
648	if (dataoffset < 0 \|\| dataoffset > svlen)	951	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
654	if (!SvOK (length) \|\| len + dataoffset > svlen)	957	if (!SvOK (length) \|\| len + dataoffset > svlen)
655	len = svlen - dataoffset;	958	len = svlen - dataoffset;
656	}	959	}
657	else	960	else
658	{	961	{
659	/* read: grow scalar as necessary */	962	/* read: check type and grow scalar as necessary */
		963	SvUPGRADE (data, SVt_PV);
660	svptr = SvGROW (data, len + dataoffset + 1);	964	svptr = SvGROW (data, len + dataoffset + 1);
661	}	965	}
662		966
663	if (len < 0)
664	croak ("length must not be negative");
665
666	{	967	{
667	dREQ;	968	dREQ;
668		969
669	req->type = ix;	970	req->type = ix;
670	req->sv1 = newSVsv (fh);	971	req->sv1 = newSVsv (fh);
671	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	972	req->int1 = fd;
672	: IoOFP (sv_2io (fh)));
673	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	973	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
674	req->size = len;	974	req->size = len;
675	req->sv2 = SvREFCNT_inc (data);	975	req->sv2 = SvREFCNT_inc (data);
676	req->ptr2 = (char *)svptr + dataoffset;	976	req->ptr2 = (char *)svptr + dataoffset;
677	req->stroffset = dataoffset;	977	req->stroffset = dataoffset;
…		…
686	}	986	}
687	}	987	}
688		988
689	void	989	void
690	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	990	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
691	PROTOTYPE: $$;$
692	PPCODE:	991	PPCODE:
693	{	992	{
694	SV *data;	993	SV *data;
695	dREQ;	994	dREQ;
696		995
…		…
700		999
701	REQ_SEND;	1000	REQ_SEND;
702	}	1001	}
703		1002
704	void	1003	void
705	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	1004	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
706	PROTOTYPE: $$$$;$
707	PPCODE:	1005	PPCODE:
708	{	1006	{
		1007	int ifd = s_fileno_croak (in_fh , 0);
		1008	int ofd = s_fileno_croak (out_fh, 1);
709	dREQ;	1009	dREQ;
710		1010
711	req->type = EIO_SENDFILE;	1011	req->type = EIO_SENDFILE;
712	req->sv1 = newSVsv (out_fh);	1012	req->sv1 = newSVsv (out_fh);
713	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1013	req->int1 = ofd;
714	req->sv2 = newSVsv (in_fh);	1014	req->sv2 = newSVsv (in_fh);
715	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1015	req->int2 = ifd;
716	req->offs = SvVAL64 (in_offset);	1016	req->offs = in_offset;
717	req->size = length;	1017	req->size = length;
718		1018
719	REQ_SEND;	1019	REQ_SEND;
720	}	1020	}
721		1021
722	void	1022	void
723	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	1023	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
724	PROTOTYPE: $$$;$
725	PPCODE:	1024	PPCODE:
726	{	1025	{
		1026	int fd = s_fileno_croak (fh, 0);
727	dREQ;	1027	dREQ;
728		1028
729	req->type = EIO_READAHEAD;	1029	req->type = EIO_READAHEAD;
730	req->sv1 = newSVsv (fh);	1030	req->sv1 = newSVsv (fh);
731	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1031	req->int1 = fd;
732	req->offs = SvVAL64 (offset);	1032	req->offs = offset;
733	req->size = length;	1033	req->size = length;
734		1034
735	REQ_SEND;	1035	REQ_SEND;
736	}	1036	}
737		1037
738	void	1038	void
739	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1039	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
740	ALIAS:	1040	ALIAS:
741	aio_stat = EIO_STAT	1041	aio_stat = EIO_STAT
742	aio_lstat = EIO_LSTAT	1042	aio_lstat = EIO_LSTAT
		1043	aio_statvfs = EIO_STATVFS
743	PPCODE:	1044	PPCODE:
744	{	1045	{
745	dREQ;	1046	dREQ;
746		1047
747	req->sv1 = newSVsv (fh_or_path);	1048	req->sv1 = newSVsv (fh_or_path);
…		…
751	req->type = ix;	1052	req->type = ix;
752	req->ptr1 = SvPVbyte_nolen (req->sv1);	1053	req->ptr1 = SvPVbyte_nolen (req->sv1);
753	}	1054	}
754	else	1055	else
755	{	1056	{
756	req->type = EIO_FSTAT;	1057	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
757	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1058	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
758	}	1059	}
759		1060
760	REQ_SEND;	1061	REQ_SEND;
761	}	1062	}
…		…
856		1157
857	REQ_SEND;	1158	REQ_SEND;
858	}	1159	}
859		1160
860	void	1161	void
		1162	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1163	PPCODE:
		1164	{
		1165	dREQ;
		1166
		1167	req->type = EIO_READDIR;
		1168	req->sv1 = newSVsv (pathname);
		1169	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1170	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1171
		1172	if (flags & EIO_READDIR_DENTS)
		1173	req->int1 \|= EIO_READDIR_CUSTOM2;
		1174
		1175	REQ_SEND;
		1176	}
		1177
		1178	void
861	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1179	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
862	ALIAS:	1180	ALIAS:
863	aio_unlink = EIO_UNLINK	1181	aio_unlink = EIO_UNLINK
864	aio_rmdir = EIO_RMDIR	1182	aio_rmdir = EIO_RMDIR
865	aio_readdir = EIO_READDIR	1183	aio_readdir = EIO_READDIR
…		…
907		1225
908	REQ_SEND;	1226	REQ_SEND;
909	}	1227	}
910		1228
911	void	1229	void
		1230	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1231	ALIAS:
		1232	aio_mtouch = EIO_MTOUCH
		1233	aio_msync = EIO_MSYNC
		1234	PPCODE:
		1235	{
		1236	STRLEN svlen;
		1237	char *svptr = SvPVbyte (data, svlen);
		1238	UV len = SvUV (length);
		1239
		1240	if (offset < 0)
		1241	offset += svlen;
		1242
		1243	if (offset < 0 \|\| offset > svlen)
		1244	croak ("offset outside of scalar");
		1245
		1246	if (!SvOK (length) \|\| len + offset > svlen)
		1247	len = svlen - offset;
		1248
		1249	{
		1250	dREQ;
		1251
		1252	req->type = ix;
		1253	req->sv2 = SvREFCNT_inc (data);
		1254	req->ptr2 = (char *)svptr + offset;
		1255	req->size = len;
		1256	req->int1 = flags;
		1257
		1258	REQ_SEND;
		1259	}
		1260	}
		1261
		1262	void
		1263	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1264	PPCODE:
		1265	{
		1266	STRLEN svlen;
		1267	char *svptr = SvPVbyte (data, svlen);
		1268	UV len = SvUV (length);
		1269
		1270	if (offset < 0)
		1271	offset += svlen;
		1272
		1273	if (offset < 0 \|\| offset > svlen)
		1274	croak ("offset outside of scalar");
		1275
		1276	if (!SvOK (length) \|\| len + offset > svlen)
		1277	len = svlen - offset;
		1278
		1279	{
		1280	dREQ;
		1281
		1282	req->type = EIO_MLOCK;
		1283	req->sv2 = SvREFCNT_inc (data);
		1284	req->ptr2 = (char *)svptr + offset;
		1285	req->size = len;
		1286
		1287	REQ_SEND;
		1288	}
		1289	}
		1290
		1291	void
		1292	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1293	PPCODE:
		1294	{
		1295	dREQ;
		1296
		1297	req->type = EIO_MLOCKALL;
		1298	req->int1 = flags;
		1299
		1300	REQ_SEND;
		1301	}
		1302
		1303	void
912	aio_busy (double delay, SV *callback=&PL_sv_undef)	1304	aio_busy (double delay, SV *callback=&PL_sv_undef)
913	PPCODE:	1305	PPCODE:
914	{	1306	{
915	dREQ;	1307	dREQ;
916		1308
…		…
920	REQ_SEND;	1312	REQ_SEND;
921	}	1313	}
922		1314
923	void	1315	void
924	aio_group (SV *callback=&PL_sv_undef)	1316	aio_group (SV *callback=&PL_sv_undef)
925	PROTOTYPE: ;$
926	PPCODE:	1317	PPCODE:
927	{	1318	{
928	dREQ;	1319	dREQ;
929		1320
930	req->type = EIO_GROUP;	1321	req->type = EIO_GROUP;
931		1322
932	req_submit (req);	1323	req_submit (req);
933	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1324	XPUSHs (req_sv (req, aio_grp_stash));
934	}	1325	}
935		1326
936	void	1327	void
937	aio_nop (SV *callback=&PL_sv_undef)	1328	aio_nop (SV *callback=&PL_sv_undef)
938	ALIAS:	1329	ALIAS:
…		…
947	REQ_SEND;	1338	REQ_SEND;
948	}	1339	}
949		1340
950	int	1341	int
951	aioreq_pri (int pri = 0)	1342	aioreq_pri (int pri = 0)
952	PROTOTYPE: ;$
953	CODE:	1343	CODE:
954	RETVAL = next_pri;	1344	RETVAL = next_pri;
955	if (items > 0)	1345	if (items > 0)
956	{	1346	{
957	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1347	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
969	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1359	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
970	next_pri = nice;	1360	next_pri = nice;
971		1361
972	void	1362	void
973	flush ()	1363	flush ()
974	PROTOTYPE:
975	CODE:	1364	CODE:
976	while (eio_nreqs ())	1365	while (eio_nreqs ())
977	{	1366	{
978	poll_wait ();	1367	poll_wait ();
979	poll_cb ();	1368	poll_cb ();
980	}	1369	}
981		1370
982	int	1371	int
983	poll()	1372	poll ()
984	PROTOTYPE:
985	CODE:	1373	CODE:
986	poll_wait ();	1374	poll_wait ();
987	RETVAL = poll_cb ();	1375	RETVAL = poll_cb ();
988	OUTPUT:	1376	OUTPUT:
989	RETVAL	1377	RETVAL
990		1378
991	int	1379	int
992	poll_fileno()	1380	poll_fileno ()
993	PROTOTYPE:
994	CODE:	1381	CODE:
995	RETVAL = respipe [0];	1382	RETVAL = s_epipe_fd (&respipe);
996	OUTPUT:	1383	OUTPUT:
997	RETVAL	1384	RETVAL
998		1385
999	int	1386	int
1000	poll_cb(...)	1387	poll_cb (...)
1001	PROTOTYPE:	1388	PROTOTYPE:
1002	CODE:	1389	CODE:
1003	RETVAL = poll_cb ();	1390	RETVAL = poll_cb ();
1004	OUTPUT:	1391	OUTPUT:
1005	RETVAL	1392	RETVAL
1006		1393
1007	void	1394	void
1008	poll_wait()	1395	poll_wait ()
1009	PROTOTYPE:
1010	CODE:	1396	CODE:
1011	poll_wait ();	1397	poll_wait ();
1012		1398
1013	int	1399	int
1014	nreqs()	1400	nreqs ()
1015	PROTOTYPE:
1016	CODE:	1401	CODE:
1017	RETVAL = eio_nreqs ();	1402	RETVAL = eio_nreqs ();
1018	OUTPUT:	1403	OUTPUT:
1019	RETVAL	1404	RETVAL
1020		1405
1021	int	1406	int
1022	nready()	1407	nready ()
1023	PROTOTYPE:
1024	CODE:	1408	CODE:
1025	RETVAL = eio_nready ();	1409	RETVAL = eio_nready ();
1026	OUTPUT:	1410	OUTPUT:
1027	RETVAL	1411	RETVAL
1028		1412
1029	int	1413	int
1030	npending()	1414	npending ()
1031	PROTOTYPE:
1032	CODE:	1415	CODE:
1033	RETVAL = eio_npending ();	1416	RETVAL = eio_npending ();
1034	OUTPUT:	1417	OUTPUT:
1035	RETVAL	1418	RETVAL
1036		1419
1037	int	1420	int
1038	nthreads()	1421	nthreads ()
1039	PROTOTYPE:
1040	CODE:	1422	CODE:
1041	RETVAL = eio_nthreads ();	1423	RETVAL = eio_nthreads ();
1042	OUTPUT:	1424	OUTPUT:
1043	RETVAL	1425	RETVAL
1044		1426
		1427	int
		1428	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1429	CODE:
		1430	RETVAL = posix_fadvise (fh, offset, length, advice);
		1431	OUTPUT:
		1432	RETVAL
		1433
		1434	ssize_t
		1435	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1436	CODE:
		1437	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1438	OUTPUT:
		1439	RETVAL
		1440
		1441	void
		1442	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1443	PPCODE:
		1444	sv_unmagic (scalar, MMAP_MAGIC);
		1445	{
		1446	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1447	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1448	if (addr == (void *)-1)
		1449	XSRETURN_NO;
		1450
		1451	sv_force_normal (scalar);
		1452
		1453	/* we store the length in mg_obj, as namlen is I32 :/ */
		1454	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1455	->mg_obj = (SV *)length;
		1456
		1457	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1458
		1459	if (!(prot & PROT_WRITE))
		1460	SvREADONLY_on (scalar);
		1461
		1462	if (SvLEN (scalar))
		1463	Safefree (SvPVX (scalar));
		1464
		1465	SvPVX (scalar) = (char *)addr;
		1466	SvCUR_set (scalar, length);
		1467	SvLEN_set (scalar, 0);
		1468	SvPOK_only (scalar);
		1469
		1470	XSRETURN_YES;
		1471	}
		1472
		1473	void
		1474	munmap (SV *scalar)
		1475	CODE:
		1476	sv_unmagic (scalar, MMAP_MAGIC);
		1477
		1478	int
		1479	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		1480	ALIAS:
		1481	mprotect = 1
		1482	CODE:
		1483	{
		1484	STRLEN svlen;
		1485	void *addr = SvPVbyte (scalar, svlen);
		1486	size_t len = SvUV (length);
		1487
		1488	if (offset < 0)
		1489	offset += svlen;
		1490
		1491	if (offset < 0 \|\| offset > svlen)
		1492	croak ("offset outside of scalar");
		1493
		1494	if (!SvOK (length) \|\| len + offset > svlen)
		1495	len = svlen - offset;
		1496
		1497	addr = (void *)(((intptr_t)addr) + offset);
		1498	eio_page_align (&addr, &len);
		1499
		1500	switch (ix)
		1501	{
		1502	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1503	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1504	}
		1505	}
		1506	OUTPUT:
		1507	RETVAL
		1508
		1509	int
		1510	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1511	CODE:
		1512	{
		1513	STRLEN svlen;
		1514	void *addr = SvPVbyte (scalar, svlen);
		1515	size_t len = SvUV (length);
		1516
		1517	if (offset < 0)
		1518	offset += svlen;
		1519
		1520	if (offset < 0 \|\| offset > svlen)
		1521	croak ("offset outside of scalar");
		1522
		1523	if (!SvOK (length) \|\| len + offset > svlen)
		1524	len = svlen - offset;
		1525
		1526	addr = (void *)(((intptr_t)addr) + offset);
		1527	eio_page_align (&addr, &len);
		1528	#if _POSIX_MEMLOCK
		1529	RETVAL = munlock (addr, len);
		1530	#else
		1531	RETVAL = ((errno = ENOSYS), -1);
		1532	#endif
		1533	}
		1534	OUTPUT:
		1535	RETVAL
		1536
		1537	int
		1538	munlockall ()
		1539	CODE:
		1540	#if _POSIX_MEMLOCK
		1541	munlockall ();
		1542	#else
		1543	RETVAL = -1;
		1544	errno = ENOSYS;
		1545	#endif
		1546	OUTPUT:
		1547	RETVAL
		1548
1045	void _on_next_submit (SV *cb)	1549	void _on_next_submit (SV *cb)
1046	CODE:	1550	CODE:
1047	SvREFCNT_dec (on_next_submit);	1551	SvREFCNT_dec (on_next_submit);
1048	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1552	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1049		1553
…		…
1063	if (GIMME_V != G_VOID)	1567	if (GIMME_V != G_VOID)
1064	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1568	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1065		1569
1066	if (items > 1)	1570	if (items > 1)
1067	{	1571	{
1068	SV *cb_cv = get_cb (callback);	1572	SV *cb_cv =get_cb (callback);
1069		1573
1070	SvREFCNT_dec (req->callback);	1574	SvREFCNT_dec (req->callback);
1071	req->callback = SvREFCNT_inc (cb_cv);	1575	req->callback = SvREFCNT_inc (cb_cv);
1072	}	1576	}
1073	}	1577	}
…		…
1110	AV *av;	1614	AV *av;
1111		1615
1112	grp->errorno = errno;	1616	grp->errorno = errno;
1113		1617
1114	av = newAV ();	1618	av = newAV ();
		1619	av_extend (av, items - 1);
1115		1620
1116	for (i = 1; i < items; ++i )	1621	for (i = 1; i < items; ++i )
1117	av_push (av, newSVsv (ST (i)));	1622	av_push (av, newSVsv (ST (i)));
1118		1623
1119	SvREFCNT_dec (grp->sv1);	1624	SvREFCNT_dec (grp->sv1);
…		…
1133	void	1638	void
1134	feed (aio_req grp, SV *callback=&PL_sv_undef)	1639	feed (aio_req grp, SV *callback=&PL_sv_undef)
1135	CODE:	1640	CODE:
1136	{	1641	{
1137	SvREFCNT_dec (grp->sv2);	1642	SvREFCNT_dec (grp->sv2);
1138	grp->sv2 = newSVsv (callback);	1643	grp->sv2 = newSVsv (callback);
		1644	grp->feed = aio_grp_feed;
1139		1645
1140	if (grp->int2 <= 0)	1646	if (grp->int2 <= 0)
1141	grp->int2 = 2;	1647	grp->int2 = 2;
1142		1648
1143	eio_grp_limit (grp, grp->int2);	1649	eio_grp_limit (grp, grp->int2);

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing IO-AIO/AIO.xs (file contents): Revision 1.128 by root, Tue Sep 30 14:07:59 2008 UTC vs. Revision 1.176 by root, Thu Dec 2 10:04:47 2010 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.128 by root, Tue Sep 30 14:07:59 2008 UTC vs.
Revision 1.176 by root, Thu Dec 2 10:04:47 2010 UTC