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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.134 by root, Sun Apr 19 13:05:06 2009 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 req_destroy (eio_req *grp);	242	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	243	#define EIO_DESTROY(req) req_destroy (req)
…		…
127		253
128	static SV *on_next_submit;	254	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	255	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	256	static int max_outstanding;
131		257
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	258	static s_epipe respipe;
133		259
134	static void req_destroy (aio_req req);	260	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	261	static void req_cancel (aio_req req);
136		262
137	static void want_poll (void)	263	static void want_poll (void)
138	{	264	{
139	/* write a dummy byte to the pipe so fh becomes ready */	265	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	266	s_epipe_signal (&respipe);
141	}	267	}
142		268
143	static void done_poll (void)	269	static void done_poll (void)
144	{	270	{
145	/* read any signals sent by the worker threads */	271	/* read any signals sent by the worker threads */
146	char buf [4];	272	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	273	}
150		274
151	/* must be called at most once */	275	/* must be called at most once */
152	static SV req_sv (aio_req req, const char klass)	276	static SV req_sv (aio_req req, HV stash)
153	{	277	{
154	if (!req->self)	278	if (!req->self)
155	{	279	{
156	req->self = (SV *)newHV ();	280	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	281	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	282	}
159		283
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	284	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	285	}
162		286
163	static aio_req SvAIO_REQ (SV *sv)	287	static aio_req SvAIO_REQ (SV *sv)
164	{	288	{
165	MAGIC *mg;	289	MAGIC *mg;
166		290
167	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")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	295	croak ("object of class IO::AIO::REQ expected");
169		296
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	297	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		298
172	return mg ? (aio_req)mg->mg_ptr : 0;	299	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	300	}
…		…
179	dSP;	306	dSP;
180		307
181	ENTER;	308	ENTER;
182	SAVETMPS;	309	SAVETMPS;
183	PUSHMARK (SP);	310	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	311	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	312	PUTBACK;
186	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	313	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
187	SPAGAIN;	314	SPAGAIN;
188	FREETMPS;	315	FREETMPS;
189	LEAVE;	316	LEAVE;
…		…
207	}	334	}
208	}	335	}
209		336
210	static int req_invoke (eio_req *req)	337	static int req_invoke (eio_req *req)
211	{	338	{
212	dSP;
213
214	if (req->flags & FLAG_SV2_RO_OFF)	339	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	340	SvREADONLY_off (req->sv2);
216		341
217	if (!EIO_CANCELLED (req) && req->callback)	342	if (!EIO_CANCELLED (req) && req->callback)
218	{	343	{
		344	dSP;
		345	static SV sv_result_cache; / caches the result integer SV */
		346	SV *sv_result;
		347
219	ENTER;	348	ENTER;
220	SAVETMPS;	349	SAVETMPS;
221	PUSHMARK (SP);	350	PUSHMARK (SP);
222	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	}
223		364
224	switch (req->type)	365	switch (req->type)
225	{	366	{
226	case EIO_READDIR:	367	case EIO_READDIR:
227	{	368	{
228	SV *rv = &PL_sv_undef;	369	SV *rv = &PL_sv_undef;
229		370
230	if (req->result >= 0)	371	if (req->result >= 0)
231	{	372	{
232	int i;	373	int i;
233	char *buf = req->ptr2;	374	char names = (char )req->ptr2;
		375	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
234	AV *av = newAV ();	376	AV *av = newAV ();
235		377
236	av_extend (av, req->result - 1);	378	av_extend (av, req->result - 1);
237		379
238	for (i = 0; i < req->result; ++i)	380	for (i = 0; i < req->result; ++i)
239	{	381	{
240	SV *sv = newSVpv (buf, 0);	382	if (req->int1 & EIO_READDIR_DENTS)
		383	{
		384	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		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
242	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);
243	buf += SvCUR (sv) + 1;	414	names += SvCUR (name) + 1;
		415	}
244	}	416	}
245		417
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	418	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	419	}
248		420
249	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))));
250	}	425	}
251	break;	426	break;
252		427
253	case EIO_OPEN:	428	case EIO_OPEN:
254	{	429	{
…		…
260	GV gv = (GV )sv_newmortal ();	435	GV gv = (GV )sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	436	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
262	char sym [64];	437	char sym [64];
263	int symlen;	438	int symlen;
264		439
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	440	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	441	gv_init (gv, aio_stash, sym, symlen, 0);
267		442
268	symlen = snprintf (	443	symlen = snprintf (
269	sym,	444	sym,
270	sizeof (sym),	445	sizeof (sym),
271	"%s&=%d",	446	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	447	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	448	(int)req->result
274	);	449	);
275		450
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	451	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	452	fh = (SV *)gv;
278	}	453	}
279		454
280	PUSHs (fh);	455	PUSHs (fh);
281	}	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
282	break;	487	break;
283		488
284	case EIO_GROUP:	489	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	490	req->int1 = 2; /* mark group as finished */
286		491
…		…
308	case EIO_LSTAT:	513	case EIO_LSTAT:
309	case EIO_FSTAT:	514	case EIO_FSTAT:
310	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	515	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
311	PL_laststatval = req->result;	516	PL_laststatval = req->result;
312	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	517	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	518	PUSHs (sv_result);
314	break;	519	break;
315		520
316	case EIO_READ:	521	case EIO_READ:
		522	{
317	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));
318	*SvEND (req->sv2) = 0;	524	*SvEND (req->sv2) = 0;
319	PUSHs (sv_2mortal (newSViv (req->result)));	525	SvPOK_only (req->sv2);
		526	SvSETMAGIC (req->sv2);
		527	PUSHs (sv_result);
		528	}
320	break;	529	break;
321		530
322	case EIO_DUP2:	531	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
323	if (req->result > 0)	532	if (req->result > 0)
324	req->result = 0;	533	SvIV_set (sv_result, 0);
325	/* FALLTHROUGH */	534	/* FALLTHROUGH */
326		535
327	default:	536	default:
328	PUSHs (sv_2mortal (newSViv (req->result)));	537	PUSHs (sv_result);
329	break;	538	break;
330	}	539	}
331		540
332	errno = req->errorno;	541	errno = req->errorno;
333		542
334	PUTBACK;	543	PUTBACK;
335	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	544	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
336	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;
337		551
338	FREETMPS;	552	FREETMPS;
339	LEAVE;	553	LEAVE;
340		554
341	PUTBACK;	555	PUTBACK;
…		…
370	grp->sv2 = 0;	584	grp->sv2 = 0;
371		585
372	eio_grp_cancel (grp);	586	eio_grp_cancel (grp);
373	}	587	}
374		588
375	#ifdef USE_SOCKETS_AS_HANDLES
376	# define TO_SOCKET(x) (win32_get_osfhandle (x))
377	#else
378	# define TO_SOCKET(x) (x)
379	#endif
380
381	static void	589	static void
382	create_respipe (void)	590	create_respipe (void)
383	{	591	{
384	int old_readfd = respipe [0];
385
386	if (respipe [1] >= 0)
387	respipe_close (TO_SOCKET (respipe [1]));
388
389	#ifdef _WIN32
390	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
391	#else
392	if (pipe (respipe))	592	if (s_epipe_renew (&respipe))
393	#endif
394	croak ("unable to initialize result pipe");	593	croak ("IO::AIO: unable to initialize result pipe");
395
396	if (old_readfd >= 0)
397	{
398	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
399	croak ("unable to initialize result pipe(2)");
400
401	respipe_close (respipe [0]);
402	respipe [0] = old_readfd;
403	}
404
405	#ifdef _WIN32
406	int arg = 1;
407	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
408	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
409	#else
410	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
411	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
412	#endif
413	croak ("unable to initialize result pipe(3)");
414
415	respipe_osf [0] = TO_SOCKET (respipe [0]);
416	respipe_osf [1] = TO_SOCKET (respipe [1]);
417	}	594	}
418		595
419	static void poll_wait (void)	596	static void poll_wait (void)
420	{	597	{
421	fd_set rfd;
422
423	while (eio_nreqs ())	598	while (eio_nreqs ())
424	{	599	{
425	int size;	600	int size;
426		601
427	X_LOCK (reslock);	602	X_LOCK (reslock);
…		…
431	if (size)	606	if (size)
432	return;	607	return;
433		608
434	etp_maybe_start_thread ();	609	etp_maybe_start_thread ();
435		610
436	FD_ZERO (&rfd);	611	s_epipe_wait (&respipe);
437	FD_SET (respipe [0], &rfd);
438
439	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
440	}	612	}
441	}	613	}
442		614
443	static int poll_cb (void)	615	static int poll_cb (void)
444	{	616	{
…		…
459	static void atfork_child (void)	631	static void atfork_child (void)
460	{	632	{
461	create_respipe ();	633	create_respipe ();
462	}	634	}
463		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
464	static SV *	678	static SV *
465	get_cb (SV *cb_sv)	679	get_cb (SV *cb_sv)
466	{	680	{
467	HV *st;	681	SvGETMAGIC (cb_sv);
468	GV *gvp;	682	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
469	CV *cv;
470
471	if (!SvOK (cb_sv))
472	return 0;
473
474	cv = sv_2cv (cb_sv, &st, &gvp, 0);
475
476	if (!cv)
477	croak ("IO::AIO callback must be undef or a CODE reference");
478
479	return (SV *)cv;
480	}	683	}
481		684
482	#define dREQ \	685	#define dREQ \
483	SV *cb_cv; \	686	SV *cb_cv; \
484	aio_req req; \	687	aio_req req; \
…		…
498	PUTBACK; \	701	PUTBACK; \
499	req_submit (req); \	702	req_submit (req); \
500	SPAGAIN; \	703	SPAGAIN; \
501	\	704	\
502	if (GIMME_V != G_VOID) \	705	if (GIMME_V != G_VOID) \
503	XPUSHs (req_sv (req, AIO_REQ_KLASS));	706	XPUSHs (req_sv (req, aio_req_stash));
504		707
505	MODULE = IO::AIO PACKAGE = IO::AIO	708	MODULE = IO::AIO PACKAGE = IO::AIO
506		709
507	PROTOTYPES: ENABLE	710	PROTOTYPES: ENABLE
508		711
509	BOOT:	712	BOOT:
510	{	713	{
511	stash = gv_stashpv ("IO::AIO", 1);	714	static const struct {
512		715	const char *name;
513	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	716	IV iv;
514	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	717	} *civ, const_iv[] = {
515	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	718	# define const_niv(name, value) { # name, (IV) value },
516	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	719	# define const_iv(name) { # name, (IV) name },
517	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)
518	#ifndef _WIN32	730	#ifndef _WIN32
519	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	731	const_iv (S_IFIFO)
520	#endif	732	#endif
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	733	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
522	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));	734	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
523	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));	735	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
524	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));	736	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		737	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		738	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
525		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
526	create_respipe ();	814	create_respipe ();
527		815
528	if (eio_init (want_poll, done_poll) < 0)	816	if (eio_init (want_poll, done_poll) < 0)
529	croak ("IO::AIO: unable to initialise eio library");	817	croak ("IO::AIO: unable to initialise eio library");
530		818
531	/* atfork child called in fifo order, so before eio's handler */	819	/* atfork child called in fifo order, so before eio's handler */
532	X_THREAD_ATFORK (0, 0, atfork_child);	820	X_THREAD_ATFORK (0, 0, atfork_child);
533	}	821	}
534		822
535	void	823	void
536	max_poll_reqs (int nreqs)	824	max_poll_reqs (int nreqs)
537	PROTOTYPE: $	825	PROTOTYPE: $
…		…
568	CODE:	856	CODE:
569	max_outstanding = maxreqs;	857	max_outstanding = maxreqs;
570		858
571	void	859	void
572	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)
573	PROTOTYPE: $$$;$
574	PPCODE:	861	PPCODE:
575	{	862	{
576	dREQ;	863	dREQ;
577		864
578	req->type = EIO_OPEN;	865	req->type = EIO_OPEN;
…		…
584	REQ_SEND;	871	REQ_SEND;
585	}	872	}
586		873
587	void	874	void
588	aio_fsync (SV fh, SV callback=&PL_sv_undef)	875	aio_fsync (SV fh, SV callback=&PL_sv_undef)
589	PROTOTYPE: $;$
590	ALIAS:	876	ALIAS:
591	aio_fsync = EIO_FSYNC	877	aio_fsync = EIO_FSYNC
592	aio_fdatasync = EIO_FDATASYNC	878	aio_fdatasync = EIO_FDATASYNC
593	PPCODE:	879	PPCODE:
594	{	880	{
		881	int fd = s_fileno_croak (fh, 0);
595	dREQ;	882	dREQ;
596		883
597	req->type = ix;	884	req->type = ix;
598	req->sv1 = newSVsv (fh);	885	req->sv1 = newSVsv (fh);
599	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	886	req->int1 = fd;
600		887
601	REQ_SEND (req);	888	REQ_SEND (req);
602	}	889	}
603		890
604	void	891	void
605	aio_sync_file_range (SV fh, SV offset, SV nbytes, IV flags, SV callback=&PL_sv_undef)	892	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
606	PROTOTYPE: $$$$;$
607	PPCODE:	893	PPCODE:
608	{	894	{
		895	int fd = s_fileno_croak (fh, 0);
609	dREQ;	896	dREQ;
610		897
611	req->type = EIO_SYNC_FILE_RANGE;	898	req->type = EIO_SYNC_FILE_RANGE;
612	req->sv1 = newSVsv (fh);	899	req->sv1 = newSVsv (fh);
613	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	900	req->int1 = fd;
614	req->offs = SvVAL64 (offset);	901	req->offs = offset;
615	req->size = SvVAL64 (nbytes);	902	req->size = nbytes;
616	req->int2 = flags;	903	req->int2 = flags;
617		904
618	REQ_SEND (req);	905	REQ_SEND (req);
619	}	906	}
620		907
621	void	908	void
622	aio_close (SV fh, SV callback=&PL_sv_undef)	909	aio_close (SV fh, SV callback=&PL_sv_undef)
623	PROTOTYPE: $;$
624	PPCODE:	910	PPCODE:
625	{	911	{
626	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	912	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		913	int fd = s_fileno_croak (fh, 0);
627	dREQ;	914	dREQ;
628		915
629	if (close_pipe < 0)	916	if (close_pipe < 0)
630	{	917	{
631	int pipefd [2];	918	int pipefd [2];
…		…
639	}	926	}
640		927
641	req->type = EIO_DUP2;	928	req->type = EIO_DUP2;
642	req->int1 = close_pipe;	929	req->int1 = close_pipe;
643	req->sv2 = newSVsv (fh);	930	req->sv2 = newSVsv (fh);
644	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	931	req->int2 = fd;
645		932
646	REQ_SEND (req);	933	REQ_SEND (req);
647	}	934	}
648		935
649	void	936	void
650	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	937	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
651	ALIAS:	938	ALIAS:
652	aio_read = EIO_READ	939	aio_read = EIO_READ
653	aio_write = EIO_WRITE	940	aio_write = EIO_WRITE
654	PROTOTYPE: $$$$$;$
655	PPCODE:	941	PPCODE:
656	{	942	{
657	STRLEN svlen;	943	STRLEN svlen;
		944	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
658	char *svptr = SvPVbyte (data, svlen);	945	char *svptr = SvPVbyte (data, svlen);
659	UV len = SvUV (length);	946	UV len = SvUV (length);
660	int fd;
661
662	if (SvTYPE (data) > SVt_PVMG)
663	croak ("illegal data argument '%s', must be plain scalar string", SvPV_nolen (data));
664
665	SvUPGRADE (data, SVt_PV);
666	SvPOK_only (data);
667		947
668	if (dataoffset < 0)	948	if (dataoffset < 0)
669	dataoffset += svlen;	949	dataoffset += svlen;
670		950
671	if (dataoffset < 0 \|\| dataoffset > svlen)	951	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
677	if (!SvOK (length) \|\| len + dataoffset > svlen)	957	if (!SvOK (length) \|\| len + dataoffset > svlen)
678	len = svlen - dataoffset;	958	len = svlen - dataoffset;
679	}	959	}
680	else	960	else
681	{	961	{
682	/* read: grow scalar as necessary */	962	/* read: check type and grow scalar as necessary */
		963	SvUPGRADE (data, SVt_PV);
683	svptr = SvGROW (data, len + dataoffset + 1);	964	svptr = SvGROW (data, len + dataoffset + 1);
684	}	965	}
685		966
686	if (len < 0)
687	croak ("length must not be negative");
688
689	fd = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))
690	: IoOFP (sv_2io (fh)));
691
692	if (fd < 0)
693	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
694
695	{	967	{
696	dREQ;	968	dREQ;
697		969
698	req->type = ix;	970	req->type = ix;
699	req->sv1 = newSVsv (fh);	971	req->sv1 = newSVsv (fh);
700	req->int1 = df;	972	req->int1 = fd;
701	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	973	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
702	req->size = len;	974	req->size = len;
703	req->sv2 = SvREFCNT_inc (data);	975	req->sv2 = SvREFCNT_inc (data);
704	req->ptr2 = (char *)svptr + dataoffset;	976	req->ptr2 = (char *)svptr + dataoffset;
705	req->stroffset = dataoffset;	977	req->stroffset = dataoffset;
…		…
714	}	986	}
715	}	987	}
716		988
717	void	989	void
718	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	990	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
719	PROTOTYPE: $$;$
720	PPCODE:	991	PPCODE:
721	{	992	{
722	SV *data;	993	SV *data;
723	dREQ;	994	dREQ;
724		995
…		…
728		999
729	REQ_SEND;	1000	REQ_SEND;
730	}	1001	}
731		1002
732	void	1003	void
733	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)
734	PROTOTYPE: $$$$;$
735	PPCODE:	1005	PPCODE:
736	{	1006	{
		1007	int ifd = s_fileno_croak (in_fh , 0);
		1008	int ofd = s_fileno_croak (out_fh, 1);
737	dREQ;	1009	dREQ;
738		1010
739	req->type = EIO_SENDFILE;	1011	req->type = EIO_SENDFILE;
740	req->sv1 = newSVsv (out_fh);	1012	req->sv1 = newSVsv (out_fh);
741	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1013	req->int1 = ofd;
742	req->sv2 = newSVsv (in_fh);	1014	req->sv2 = newSVsv (in_fh);
743	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1015	req->int2 = ifd;
744	req->offs = SvVAL64 (in_offset);	1016	req->offs = in_offset;
745	req->size = length;	1017	req->size = length;
746		1018
747	REQ_SEND;	1019	REQ_SEND;
748	}	1020	}
749		1021
750	void	1022	void
751	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	1023	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
752	PROTOTYPE: $$$;$
753	PPCODE:	1024	PPCODE:
754	{	1025	{
		1026	int fd = s_fileno_croak (fh, 0);
755	dREQ;	1027	dREQ;
756		1028
757	req->type = EIO_READAHEAD;	1029	req->type = EIO_READAHEAD;
758	req->sv1 = newSVsv (fh);	1030	req->sv1 = newSVsv (fh);
759	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1031	req->int1 = fd;
760	req->offs = SvVAL64 (offset);	1032	req->offs = offset;
761	req->size = length;	1033	req->size = length;
762		1034
763	REQ_SEND;	1035	REQ_SEND;
764	}	1036	}
765		1037
766	void	1038	void
767	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1039	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
768	ALIAS:	1040	ALIAS:
769	aio_stat = EIO_STAT	1041	aio_stat = EIO_STAT
770	aio_lstat = EIO_LSTAT	1042	aio_lstat = EIO_LSTAT
		1043	aio_statvfs = EIO_STATVFS
771	PPCODE:	1044	PPCODE:
772	{	1045	{
773	dREQ;	1046	dREQ;
774		1047
775	req->sv1 = newSVsv (fh_or_path);	1048	req->sv1 = newSVsv (fh_or_path);
…		…
779	req->type = ix;	1052	req->type = ix;
780	req->ptr1 = SvPVbyte_nolen (req->sv1);	1053	req->ptr1 = SvPVbyte_nolen (req->sv1);
781	}	1054	}
782	else	1055	else
783	{	1056	{
784	req->type = EIO_FSTAT;	1057	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
785	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1058	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
786	}	1059	}
787		1060
788	REQ_SEND;	1061	REQ_SEND;
789	}	1062	}
…		…
884		1157
885	REQ_SEND;	1158	REQ_SEND;
886	}	1159	}
887		1160
888	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
889	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1179	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
890	ALIAS:	1180	ALIAS:
891	aio_unlink = EIO_UNLINK	1181	aio_unlink = EIO_UNLINK
892	aio_rmdir = EIO_RMDIR	1182	aio_rmdir = EIO_RMDIR
893	aio_readdir = EIO_READDIR	1183	aio_readdir = EIO_READDIR
…		…
935		1225
936	REQ_SEND;	1226	REQ_SEND;
937	}	1227	}
938		1228
939	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
940	aio_busy (double delay, SV *callback=&PL_sv_undef)	1304	aio_busy (double delay, SV *callback=&PL_sv_undef)
941	PPCODE:	1305	PPCODE:
942	{	1306	{
943	dREQ;	1307	dREQ;
944		1308
…		…
948	REQ_SEND;	1312	REQ_SEND;
949	}	1313	}
950		1314
951	void	1315	void
952	aio_group (SV *callback=&PL_sv_undef)	1316	aio_group (SV *callback=&PL_sv_undef)
953	PROTOTYPE: ;$
954	PPCODE:	1317	PPCODE:
955	{	1318	{
956	dREQ;	1319	dREQ;
957		1320
958	req->type = EIO_GROUP;	1321	req->type = EIO_GROUP;
959		1322
960	req_submit (req);	1323	req_submit (req);
961	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1324	XPUSHs (req_sv (req, aio_grp_stash));
962	}	1325	}
963		1326
964	void	1327	void
965	aio_nop (SV *callback=&PL_sv_undef)	1328	aio_nop (SV *callback=&PL_sv_undef)
966	ALIAS:	1329	ALIAS:
…		…
975	REQ_SEND;	1338	REQ_SEND;
976	}	1339	}
977		1340
978	int	1341	int
979	aioreq_pri (int pri = 0)	1342	aioreq_pri (int pri = 0)
980	PROTOTYPE: ;$
981	CODE:	1343	CODE:
982	RETVAL = next_pri;	1344	RETVAL = next_pri;
983	if (items > 0)	1345	if (items > 0)
984	{	1346	{
985	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1347	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
997	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1359	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
998	next_pri = nice;	1360	next_pri = nice;
999		1361
1000	void	1362	void
1001	flush ()	1363	flush ()
1002	PROTOTYPE:
1003	CODE:	1364	CODE:
1004	while (eio_nreqs ())	1365	while (eio_nreqs ())
1005	{	1366	{
1006	poll_wait ();	1367	poll_wait ();
1007	poll_cb ();	1368	poll_cb ();
1008	}	1369	}
1009		1370
1010	int	1371	int
1011	poll()	1372	poll ()
1012	PROTOTYPE:
1013	CODE:	1373	CODE:
1014	poll_wait ();	1374	poll_wait ();
1015	RETVAL = poll_cb ();	1375	RETVAL = poll_cb ();
1016	OUTPUT:	1376	OUTPUT:
1017	RETVAL	1377	RETVAL
1018		1378
1019	int	1379	int
1020	poll_fileno()	1380	poll_fileno ()
1021	PROTOTYPE:
1022	CODE:	1381	CODE:
1023	RETVAL = respipe [0];	1382	RETVAL = s_epipe_fd (&respipe);
1024	OUTPUT:	1383	OUTPUT:
1025	RETVAL	1384	RETVAL
1026		1385
1027	int	1386	int
1028	poll_cb(...)	1387	poll_cb (...)
1029	PROTOTYPE:	1388	PROTOTYPE:
1030	CODE:	1389	CODE:
1031	RETVAL = poll_cb ();	1390	RETVAL = poll_cb ();
1032	OUTPUT:	1391	OUTPUT:
1033	RETVAL	1392	RETVAL
1034		1393
1035	void	1394	void
1036	poll_wait()	1395	poll_wait ()
1037	PROTOTYPE:
1038	CODE:	1396	CODE:
1039	poll_wait ();	1397	poll_wait ();
1040		1398
1041	int	1399	int
1042	nreqs()	1400	nreqs ()
1043	PROTOTYPE:
1044	CODE:	1401	CODE:
1045	RETVAL = eio_nreqs ();	1402	RETVAL = eio_nreqs ();
1046	OUTPUT:	1403	OUTPUT:
1047	RETVAL	1404	RETVAL
1048		1405
1049	int	1406	int
1050	nready()	1407	nready ()
1051	PROTOTYPE:
1052	CODE:	1408	CODE:
1053	RETVAL = eio_nready ();	1409	RETVAL = eio_nready ();
1054	OUTPUT:	1410	OUTPUT:
1055	RETVAL	1411	RETVAL
1056		1412
1057	int	1413	int
1058	npending()	1414	npending ()
1059	PROTOTYPE:
1060	CODE:	1415	CODE:
1061	RETVAL = eio_npending ();	1416	RETVAL = eio_npending ();
1062	OUTPUT:	1417	OUTPUT:
1063	RETVAL	1418	RETVAL
1064		1419
1065	int	1420	int
1066	nthreads()	1421	nthreads ()
1067	PROTOTYPE:
1068	CODE:	1422	CODE:
1069	RETVAL = eio_nthreads ();	1423	RETVAL = eio_nthreads ();
1070	OUTPUT:	1424	OUTPUT:
1071	RETVAL	1425	RETVAL
1072		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
1073	void _on_next_submit (SV *cb)	1549	void _on_next_submit (SV *cb)
1074	CODE:	1550	CODE:
1075	SvREFCNT_dec (on_next_submit);	1551	SvREFCNT_dec (on_next_submit);
1076	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1552	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1077		1553
…		…
1091	if (GIMME_V != G_VOID)	1567	if (GIMME_V != G_VOID)
1092	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);
1093		1569
1094	if (items > 1)	1570	if (items > 1)
1095	{	1571	{
1096	SV *cb_cv = get_cb (callback);	1572	SV *cb_cv =get_cb (callback);
1097		1573
1098	SvREFCNT_dec (req->callback);	1574	SvREFCNT_dec (req->callback);
1099	req->callback = SvREFCNT_inc (cb_cv);	1575	req->callback = SvREFCNT_inc (cb_cv);
1100	}	1576	}
1101	}	1577	}
…		…
1138	AV *av;	1614	AV *av;
1139		1615
1140	grp->errorno = errno;	1616	grp->errorno = errno;
1141		1617
1142	av = newAV ();	1618	av = newAV ();
		1619	av_extend (av, items - 1);
1143		1620
1144	for (i = 1; i < items; ++i )	1621	for (i = 1; i < items; ++i )
1145	av_push (av, newSVsv (ST (i)));	1622	av_push (av, newSVsv (ST (i)));
1146		1623
1147	SvREFCNT_dec (grp->sv1);	1624	SvREFCNT_dec (grp->sv1);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.134 by root, Sun Apr 19 13:05:06 2009 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 1.134 by root, Sun Apr 19 13:05:06 2009 UTC vs.
Revision 1.176 by root, Thu Dec 2 10:04:47 2010 UTC