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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.116 by root, Sat May 10 19:25:33 2008 UTC vs.
Revision 1.161 by root, Sun Jan 10 20:28:43 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
		22	# include <sys/mman.h>
		23	#endif
		24
		25	/* perl namespace pollution */
		26	#undef VERSION
17		27
18	#ifdef _WIN32	28	#ifdef _WIN32
19		29
20	# define EIO_STRUCT_DIRENT Direntry_t	30	# define EIO_STRUCT_DIRENT Direntry_t
21	# undef malloc	31	# undef malloc
…		…
62	# include <signal.h>	72	# include <signal.h>
63	# define EIO_STRUCT_DIRENT struct dirent	73	# define EIO_STRUCT_DIRENT struct dirent
64		74
65	#endif	75	#endif
66		76
		77	/* perl stupidly overrides readdir and maybe others */
		78	/* with thread-unsafe versions, imagine that :( */
		79	#undef readdir
		80	#undef opendir
		81	#undef closedir
		82
67	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STAT Stat_t
68		84
69	/* use NV for 32 bit perls as it allows larger offsets */	85	/* use NV for 32 bit perls as it allows larger offsets */
70	#if IVSIZE >= 8	86	#if IVSIZE >= 8
		87	# define VAL64 IV
71	# define SvVAL64 SvIV	88	# define SvVAL64 SvIV
		89	# define newSVval64 newSViv
72	#else	90	#else
		91	# define VAL64 NV
73	# define SvVAL64 SvNV	92	# define SvVAL64 SvNV
		93	# define newSVval64 newSVnv
74	#endif	94	#endif
75		95
76	static HV *stash;	96	/*****************************************************************************/
		97
		98	#if __GNUC__ >= 3
		99	# define expect(expr,value) __builtin_expect ((expr),(value))
		100	#else
		101	# define expect(expr,value) (expr)
		102	#endif
		103
		104	#define expect_false(expr) expect ((expr) != 0, 0)
		105	#define expect_true(expr) expect ((expr) != 0, 1)
		106
		107	/*****************************************************************************/
		108
77	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 */
78		112
79	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV aio_stash, aio_req_stash, *aio_grp_stash;
80	#define AIO_GRP_KLASS "IO::AIO::GRP"
81		114
82	#define EIO_COMMON \	115	#define EIO_REQ_MEMBERS \
83	SV *callback; \	116	SV *callback; \
84	SV sv1, sv2; \	117	SV sv1, sv2; \
85	STRLEN stroffset; \	118	STRLEN stroffset; \
86	SV *self	119	SV *self;
		120
		121	#define EIO_NO_WRAPPERS 1
87		122
88	#include "libeio/eio.h"	123	#include "libeio/eio.h"
		124
		125	#ifndef POSIX_FADV_NORMAL
		126	# define POSIX_FADV_NORMAL 0
		127	# define NO_FADVISE 1
		128	#endif
		129	#ifndef POSIX_FADV_SEQUENTIAL
		130	# define POSIX_FADV_SEQUENTIAL 0
		131	#endif
		132	#ifndef POSIX_FADV_RANDOM
		133	# define POSIX_FADV_RANDOM 0
		134	#endif
		135	#ifndef POSIX_FADV_NOREUSE
		136	# define POSIX_FADV_NOREUSE 0
		137	#endif
		138	#ifndef POSIX_FADV_WILLNEED
		139	# define POSIX_FADV_WILLNEED 0
		140	#endif
		141	#ifndef POSIX_FADV_DONTNEED
		142	# define POSIX_FADV_DONTNEED 0
		143	#endif
		144
		145	#ifndef ST_NODEV
		146	# define ST_NODEV 0
		147	#endif
		148	#ifndef ST_NOEXEC
		149	# define ST_NOEXEC 0
		150	#endif
		151	#ifndef ST_SYNCHRONOUS
		152	# define ST_SYNCHRONOUS 0
		153	#endif
		154	#ifndef ST_MANDLOCK
		155	# define ST_MANDLOCK 0
		156	#endif
		157	#ifndef ST_WRITE
		158	# define ST_WRITE 0
		159	#endif
		160	#ifndef ST_APPEND
		161	# define ST_APPEND 0
		162	#endif
		163	#ifndef ST_IMMUTABLE
		164	# define ST_IMMUTABLE 0
		165	#endif
		166	#ifndef ST_NOATIME
		167	# define ST_NOATIME 0
		168	#endif
		169	#ifndef ST_NODIRATIME
		170	# define ST_NODIRATIME 0
		171	#endif
		172	#ifndef ST_RELATIME
		173	# define ST_RELATIME 0
		174	#endif
		175
		176	#ifndef MCL_CURRENT
		177	# define MCL_CURRENT 0
		178	#endif
		179	#ifndef MCL_FUTURE
		180	# define MCL_FUTURE 0
		181	#endif
89		182
90	static int req_invoke (eio_req *req);	183	static int req_invoke (eio_req *req);
91	#define EIO_FINISH(req) req_invoke (req)	184	#define EIO_FINISH(req) req_invoke (req)
92	static void aio_grp_feed (eio_req *grp);
93	#define EIO_FEED(req) aio_grp_feed (req)
94	static void req_destroy (eio_req *grp);	185	static void req_destroy (eio_req *grp);
95	#define EIO_DESTROY(req) req_destroy (req)	186	#define EIO_DESTROY(req) req_destroy (req)
96		187
97	enum {	188	enum {
98	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	189	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
101	#include "libeio/eio.c"	192	#include "libeio/eio.c"
102		193
103	typedef eio_req *aio_req;	194	typedef eio_req *aio_req;
104	typedef eio_req *aio_req_ornot;	195	typedef eio_req *aio_req_ornot;
105		196
		197	static SV *on_next_submit;
		198	static int next_pri = EIO_PRI_DEFAULT;
106	static int max_outstanding = 0;	199	static int max_outstanding;
107		200
108	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	201	static s_epipe respipe;
109
110	static int respipe_osf [2], respipe [2] = { -1, -1 };
111		202
112	static void req_destroy (aio_req req);	203	static void req_destroy (aio_req req);
113	static void req_cancel (aio_req req);	204	static void req_cancel (aio_req req);
114		205
115	static void want_poll (void)	206	static void want_poll (void)
116	{	207	{
117	/* write a dummy byte to the pipe so fh becomes ready */	208	/* write a dummy byte to the pipe so fh becomes ready */
118	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	209	s_epipe_signal (&respipe);
119	}	210	}
120		211
121	static void done_poll (void)	212	static void done_poll (void)
122	{	213	{
123	/* read any signals sent by the worker threads */	214	/* read any signals sent by the worker threads */
124	char buf [4];	215	s_epipe_drain (&respipe);
125	while (respipe_read (respipe [0], buf, 4) == 4)
126	;
127	}	216	}
128		217
129	/* must be called at most once */	218	/* must be called at most once */
130	static SV req_sv (aio_req req, const char klass)	219	static SV req_sv (aio_req req, HV stash)
131	{	220	{
132	if (!req->self)	221	if (!req->self)
133	{	222	{
134	req->self = (SV *)newHV ();	223	req->self = (SV *)newHV ();
135	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	224	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136	}	225	}
137		226
138	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	227	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139	}	228	}
140		229
141	static aio_req SvAIO_REQ (SV *sv)	230	static aio_req SvAIO_REQ (SV *sv)
142	{	231	{
143	MAGIC *mg;	232	MAGIC *mg;
144		233
145	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	234	if (!SvROK (sv)
		235	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		236	&& SvSTASH (SvRV (sv)) != aio_req_stash
		237	&& !sv_derived_from (sv, "IO::AIO::REQ")))
146	croak ("object of class " AIO_REQ_KLASS " expected");	238	croak ("object of class IO::AIO::REQ expected");
147		239
148	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	240	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149		241
150	return mg ? (aio_req)mg->mg_ptr : 0;	242	return mg ? (aio_req)mg->mg_ptr : 0;
151	}	243	}
…		…
157	dSP;	249	dSP;
158		250
159	ENTER;	251	ENTER;
160	SAVETMPS;	252	SAVETMPS;
161	PUSHMARK (SP);	253	PUSHMARK (SP);
162	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	254	XPUSHs (req_sv (grp, aio_grp_stash));
163	PUTBACK;	255	PUTBACK;
164	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	256	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
165	SPAGAIN;	257	SPAGAIN;
166	FREETMPS;	258	FREETMPS;
167	LEAVE;	259	LEAVE;
168	}	260	}
169	}	261	}
170		262
		263	static void req_submit (eio_req *req)
		264	{
		265	eio_submit (req);
		266
		267	if (expect_false (on_next_submit))
		268	{
		269	dSP;
		270	SV *cb = sv_2mortal (on_next_submit);
		271
		272	on_next_submit = 0;
		273
		274	PUSHMARK (SP);
		275	PUTBACK;
		276	call_sv (cb, G_DISCARD \| G_EVAL);
		277	}
		278	}
		279
171	static int req_invoke (eio_req *req)	280	static int req_invoke (eio_req *req)
172	{	281	{
173	dSP;	282	dSP;
174		283
175	if (req->flags & FLAG_SV2_RO_OFF)	284	if (req->flags & FLAG_SV2_RO_OFF)
176	SvREADONLY_off (req->sv2);	285	SvREADONLY_off (req->sv2);
177		286
178	if (!EIO_CANCELLED (req) && SvOK (req->callback))	287	if (!EIO_CANCELLED (req) && req->callback)
179	{	288	{
180	ENTER;	289	ENTER;
181	SAVETMPS;	290	SAVETMPS;
182	PUSHMARK (SP);	291	PUSHMARK (SP);
183	EXTEND (SP, 1);	292	EXTEND (SP, 1);
…		…
189	SV *rv = &PL_sv_undef;	298	SV *rv = &PL_sv_undef;
190		299
191	if (req->result >= 0)	300	if (req->result >= 0)
192	{	301	{
193	int i;	302	int i;
194	char *buf = req->ptr2;	303	char names = (char )req->ptr2;
		304	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
195	AV *av = newAV ();	305	AV *av = newAV ();
196		306
197	av_extend (av, req->result - 1);	307	av_extend (av, req->result - 1);
198		308
199	for (i = 0; i < req->result; ++i)	309	for (i = 0; i < req->result; ++i)
200	{	310	{
201	SV *sv = newSVpv (buf, 0);	311	if (req->int1 & EIO_READDIR_DENTS)
		312	{
		313	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202		314
		315	if (req->int1 & EIO_READDIR_CUSTOM2)
		316	{
		317	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		318	AV *avent = newAV ();
		319
		320	av_extend (avent, 2);
		321
		322	if (!sv_type [ent->type])
		323	{
		324	sv_type [ent->type] = newSViv (ent->type);
		325	SvREADONLY_on (sv_type [ent->type]);
		326	}
		327
		328	av_store (avent, 0, namesv);
		329	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		330	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		331
		332	av_store (av, i, newRV_noinc ((SV *)avent));
		333	}
		334	else
203	av_store (av, i, sv);	335	av_store (av, i, namesv);
		336
		337	++ent;
		338	}
		339	else
		340	{
		341	SV *name = newSVpv (names, 0);
		342	av_store (av, i, name);
204	buf += SvCUR (sv) + 1;	343	names += SvCUR (name) + 1;
		344	}
205	}	345	}
206		346
207	rv = sv_2mortal (newRV_noinc ((SV *)av));	347	rv = sv_2mortal (newRV_noinc ((SV *)av));
208	}	348	}
209		349
210	PUSHs (rv);	350	PUSHs (rv);
		351
		352	if (req->int1 & EIO_READDIR_CUSTOM1)
		353	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
211	}	354	}
212	break;	355	break;
213		356
214	case EIO_OPEN:	357	case EIO_OPEN:
215	{	358	{
…		…
221	GV gv = (GV )sv_newmortal ();	364	GV gv = (GV )sv_newmortal ();
222	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	365	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
223	char sym [64];	366	char sym [64];
224	int symlen;	367	int symlen;
225		368
226	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	369	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227	gv_init (gv, stash, sym, symlen, 0);	370	gv_init (gv, aio_stash, sym, symlen, 0);
228		371
229	symlen = snprintf (	372	symlen = snprintf (
230	sym,	373	sym,
231	sizeof (sym),	374	sizeof (sym),
232	"%s&=%d",	375	"%s&=%d",
233	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	376	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234	req->result	377	(int)req->result
235	);	378	);
236		379
237	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	380	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238	fh = (SV *)gv;	381	fh = (SV *)gv;
239	}	382	}
240		383
241	PUSHs (fh);	384	PUSHs (fh);
242	}	385	}
		386	break;
		387
		388	case EIO_STATVFS:
		389	case EIO_FSTATVFS:
		390	{
		391	SV *rv = &PL_sv_undef;
		392
		393	if (req->result >= 0)
		394	{
		395	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		396	HV *hv = newHV ();
		397
		398	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		399
		400	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		401	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		402	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		403	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		404	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		405	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		406	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		407	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		408	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		409	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		410	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		411	}
		412
		413	PUSHs (rv);
		414	}
		415
243	break;	416	break;
244		417
245	case EIO_GROUP:	418	case EIO_GROUP:
246	req->int1 = 2; /* mark group as finished */	419	req->int1 = 2; /* mark group as finished */
247		420
…		…
260	case EIO_BUSY:	433	case EIO_BUSY:
261	break;	434	break;
262		435
263	case EIO_READLINK:	436	case EIO_READLINK:
264	if (req->result > 0)	437	if (req->result > 0)
265	{	438	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
266	SvCUR_set (req->sv2, req->result);
267	*SvEND (req->sv2) = 0;
268	PUSHs (req->sv2);
269	}
270	break;	439	break;
271		440
272	case EIO_STAT:	441	case EIO_STAT:
273	case EIO_LSTAT:	442	case EIO_LSTAT:
274	case EIO_FSTAT:	443	case EIO_FSTAT:
…		…
277	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	446	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
278	PUSHs (sv_2mortal (newSViv (req->result)));	447	PUSHs (sv_2mortal (newSViv (req->result)));
279	break;	448	break;
280		449
281	case EIO_READ:	450	case EIO_READ:
		451	{
282	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	452	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
283	*SvEND (req->sv2) = 0;	453	*SvEND (req->sv2) = 0;
		454	SvPOK_only (req->sv2);
		455	SvSETMAGIC (req->sv2);
284	PUSHs (sv_2mortal (newSViv (req->result)));	456	PUSHs (sv_2mortal (newSViv (req->result)));
		457	}
285	break;	458	break;
286		459
287	case EIO_DUP2:	460	case EIO_DUP2:
288	if (req->result > 0)	461	if (req->result > 0)
289	req->result = 0;	462	req->result = 0;
…		…
335	grp->sv2 = 0;	508	grp->sv2 = 0;
336		509
337	eio_grp_cancel (grp);	510	eio_grp_cancel (grp);
338	}	511	}
339		512
340	#ifdef USE_SOCKETS_AS_HANDLES
341	# define TO_SOCKET(x) (win32_get_osfhandle (x))
342	#else
343	# define TO_SOCKET(x) (x)
344	#endif
345
346	static void	513	static void
347	create_respipe (void)	514	create_respipe (void)
348	{	515	{
349	int old_readfd = respipe [0];
350
351	if (respipe [1] >= 0)
352	respipe_close (TO_SOCKET (respipe [1]));
353
354	#ifdef _WIN32
355	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
356	#else
357	if (pipe (respipe))	516	if (s_epipe_renew (&respipe))
358	#endif
359	croak ("unable to initialize result pipe");	517	croak ("IO::AIO: unable to initialize result pipe");
360
361	if (old_readfd >= 0)
362	{
363	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
364	croak ("unable to initialize result pipe(2)");
365
366	respipe_close (respipe [0]);
367	respipe [0] = old_readfd;
368	}
369
370	#ifdef _WIN32
371	int arg = 1;
372	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
373	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
374	#else
375	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
376	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
377	#endif
378	croak ("unable to initialize result pipe(3)");
379
380	respipe_osf [0] = TO_SOCKET (respipe [0]);
381	respipe_osf [1] = TO_SOCKET (respipe [1]);
382	}	518	}
383		519
384	static void poll_wait (void)	520	static void poll_wait (void)
385	{	521	{
386	fd_set rfd;
387
388	while (eio_nreqs ())	522	while (eio_nreqs ())
389	{	523	{
390	int size;	524	int size;
391		525
392	X_LOCK (reslock);	526	X_LOCK (reslock);
…		…
394	X_UNLOCK (reslock);	528	X_UNLOCK (reslock);
395		529
396	if (size)	530	if (size)
397	return;	531	return;
398		532
399	maybe_start_thread ();	533	etp_maybe_start_thread ();
400		534
401	FD_ZERO (&rfd);	535	s_epipe_wait (&respipe);
402	FD_SET (respipe [0], &rfd);
403
404	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405	}	536	}
406	}	537	}
407		538
408	static int poll_cb (void)	539	static int poll_cb (void)
409	{	540	{
410	int res;	541	for (;;)
411
412	do
413	{	542	{
414	res = eio_poll ();	543	int res = eio_poll ();
415		544
416	if (res > 0)	545	if (res > 0)
417	croak (0);	546	croak (0);
		547
		548	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		549	return res;
		550
		551	poll_wait ();
418	}	552	}
419	while (max_outstanding && max_outstanding <= eio_nreqs ());
420
421	return res;
422	}	553	}
423		554
424	static void atfork_child (void)	555	static void atfork_child (void)
425	{	556	{
426	create_respipe ();	557	create_respipe ();
427	}	558	}
428		559
		560	static SV *
		561	get_cb (SV *cb_sv)
		562	{
		563	SvGETMAGIC (cb_sv);
		564	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		565	}
		566
429	#define dREQ \	567	#define dREQ \
		568	SV *cb_cv; \
430	aio_req req; \	569	aio_req req; \
431	int req_pri = next_pri; \	570	int req_pri = next_pri; \
432	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	571	next_pri = EIO_PRI_DEFAULT; \
433	\	572	\
434	if (SvOK (callback) && !SvROK (callback)) \	573	cb_cv = get_cb (callback); \
435	croak ("callback must be undef or of reference type"); \
436	\	574	\
437	Newz (0, req, 1, eio_req); \	575	Newz (0, req, 1, eio_req); \
438	if (!req) \	576	if (!req) \
439	croak ("out of memory during eio_req allocation"); \	577	croak ("out of memory during eio_req allocation"); \
440	\	578	\
441	req->callback = newSVsv (callback); \	579	req->callback = SvREFCNT_inc (cb_cv); \
442	req->pri = req_pri	580	req->pri = req_pri
443		581
444	#define REQ_SEND \	582	#define REQ_SEND \
		583	PUTBACK; \
445	eio_submit (req); \	584	req_submit (req); \
		585	SPAGAIN; \
446	\	586	\
447	if (GIMME_V != G_VOID) \	587	if (GIMME_V != G_VOID) \
448	XPUSHs (req_sv (req, AIO_REQ_KLASS));	588	XPUSHs (req_sv (req, aio_req_stash));
449		589
450	MODULE = IO::AIO PACKAGE = IO::AIO	590	MODULE = IO::AIO PACKAGE = IO::AIO
451		591
452	PROTOTYPES: ENABLE	592	PROTOTYPES: ENABLE
453		593
454	BOOT:	594	BOOT:
455	{	595	{
456	stash = gv_stashpv ("IO::AIO", 1);	596	static const struct {
457		597	const char *name;
458	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	598	IV iv;
459	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	599	} *civ, const_iv[] = {
460	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	600	# define const_iv(name, value) { # name, (IV) value },
461	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	601	# define const_eio(name) { # name, (IV) EIO_ ## name },
462	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	602	const_iv (EXDEV , EXDEV)
		603	const_iv (ENOSYS , ENOSYS)
		604	const_iv (O_RDONLY, O_RDONLY)
		605	const_iv (O_WRONLY, O_WRONLY)
		606	const_iv (O_CREAT , O_CREAT)
		607	const_iv (O_TRUNC , O_TRUNC)
463	#ifdef _WIN32	608	#ifndef _WIN32
464	X_MUTEX_CHECK (wrklock);	609	const_iv (S_IFIFO , S_IFIFO)
465	X_MUTEX_CHECK (reslock);
466	X_MUTEX_CHECK (reqlock);
467	X_MUTEX_CHECK (reqwait);
468	X_MUTEX_CHECK (preadwritelock);
469	X_MUTEX_CHECK (readdirlock);
470
471	X_COND_CHECK (reqwait);
472	#else
473	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
474	#endif	610	#endif
		611	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
		612	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		613	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
		614	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		615	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		616	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
475		617
		618	const_iv (ST_RDONLY , ST_RDONLY)
		619	const_iv (ST_NOSUID , ST_NOSUID)
		620	const_iv (ST_NODEV , ST_NODEV)
		621	const_iv (ST_NOEXEC , ST_NOEXEC)
		622	const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)
		623	const_iv (ST_MANDLOCK , ST_MANDLOCK)
		624	const_iv (ST_WRITE , ST_WRITE)
		625	const_iv (ST_APPEND , ST_APPEND)
		626	const_iv (ST_IMMUTABLE , ST_IMMUTABLE)
		627	const_iv (ST_NOATIME , ST_NOATIME)
		628	const_iv (ST_NODIRATIME , ST_NODIRATIME)
		629	const_iv (ST_RELATIME , ST_RELATIME)
		630
		631	const_iv (MCL_FUTURE , MCL_FUTURE)
		632	const_iv (MCL_CURRENT , MCL_CURRENT)
		633
		634	const_eio (MS_ASYNC)
		635	const_eio (MS_INVALIDATE)
		636	const_eio (MS_SYNC)
		637
		638	const_eio (MT_MODIFY)
		639
		640	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		641	const_eio (SYNC_FILE_RANGE_WRITE)
		642	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		643
		644	const_eio (READDIR_DENTS)
		645	const_eio (READDIR_DIRS_FIRST)
		646	const_eio (READDIR_STAT_ORDER)
		647	const_eio (READDIR_FOUND_UNKNOWN)
		648
		649	const_eio (DT_UNKNOWN)
		650	const_eio (DT_FIFO)
		651	const_eio (DT_CHR)
		652	const_eio (DT_DIR)
		653	const_eio (DT_BLK)
		654	const_eio (DT_REG)
		655	const_eio (DT_LNK)
		656	const_eio (DT_SOCK)
		657	const_eio (DT_WHT)
		658	};
		659
		660	aio_stash = gv_stashpv ("IO::AIO" , 1);
		661	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		662	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		663
		664	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		665	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		666
476	create_respipe ();	667	create_respipe ();
477		668
478	if (eio_init (want_poll, done_poll) < 0)	669	if (eio_init (want_poll, done_poll) < 0)
479	croak ("IO::AIO: unable to initialise eio library");	670	croak ("IO::AIO: unable to initialise eio library");
480		671
481	/* atfork child called in fifo order, so before eio's handler */	672	/* atfork child called in fifo order, so before eio's handler */
482	X_THREAD_ATFORK (0, 0, atfork_child);	673	X_THREAD_ATFORK (0, 0, atfork_child);
483	}	674	}
484		675
485	void	676	void
486	max_poll_reqs (int nreqs)	677	max_poll_reqs (int nreqs)
487	PROTOTYPE: $	678	PROTOTYPE: $
…		…
540	ALIAS:	731	ALIAS:
541	aio_fsync = EIO_FSYNC	732	aio_fsync = EIO_FSYNC
542	aio_fdatasync = EIO_FDATASYNC	733	aio_fdatasync = EIO_FDATASYNC
543	PPCODE:	734	PPCODE:
544	{	735	{
		736	int fd = s_fileno_croak (fh, 0);
545	dREQ;	737	dREQ;
546		738
547	req->type = ix;	739	req->type = ix;
548	req->sv1 = newSVsv (fh);	740	req->sv1 = newSVsv (fh);
549	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	741	req->int1 = fd;
		742
		743	REQ_SEND (req);
		744	}
		745
		746	void
		747	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		748	PROTOTYPE: $$$$;$
		749	PPCODE:
		750	{
		751	int fd = s_fileno_croak (fh, 0);
		752	dREQ;
		753
		754	req->type = EIO_SYNC_FILE_RANGE;
		755	req->sv1 = newSVsv (fh);
		756	req->int1 = fd;
		757	req->offs = offset;
		758	req->size = nbytes;
		759	req->int2 = flags;
550		760
551	REQ_SEND (req);	761	REQ_SEND (req);
552	}	762	}
553		763
554	void	764	void
555	aio_close (SV fh, SV callback=&PL_sv_undef)	765	aio_close (SV fh, SV callback=&PL_sv_undef)
556	PROTOTYPE: $;$	766	PROTOTYPE: $;$
557	PPCODE:	767	PPCODE:
558	{	768	{
559	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	769	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		770	int fd = s_fileno_croak (fh, 0);
560	dREQ;	771	dREQ;
561		772
562	if (close_pipe < 0)	773	if (close_pipe < 0)
563	{	774	{
564	int pipefd [2];	775	int pipefd [2];
…		…
572	}	783	}
573		784
574	req->type = EIO_DUP2;	785	req->type = EIO_DUP2;
575	req->int1 = close_pipe;	786	req->int1 = close_pipe;
576	req->sv2 = newSVsv (fh);	787	req->sv2 = newSVsv (fh);
577	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	788	req->int2 = fd;
578		789
579	REQ_SEND (req);	790	REQ_SEND (req);
580	}	791	}
581		792
582	void	793	void
…		…
586	aio_write = EIO_WRITE	797	aio_write = EIO_WRITE
587	PROTOTYPE: $$$$$;$	798	PROTOTYPE: $$$$$;$
588	PPCODE:	799	PPCODE:
589	{	800	{
590	STRLEN svlen;	801	STRLEN svlen;
		802	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
591	char *svptr = SvPVbyte (data, svlen);	803	char *svptr = SvPVbyte (data, svlen);
592	UV len = SvUV (length);	804	UV len = SvUV (length);
593
594	SvUPGRADE (data, SVt_PV);
595	SvPOK_on (data);
596		805
597	if (dataoffset < 0)	806	if (dataoffset < 0)
598	dataoffset += svlen;	807	dataoffset += svlen;
599		808
600	if (dataoffset < 0 \|\| dataoffset > svlen)	809	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
606	if (!SvOK (length) \|\| len + dataoffset > svlen)	815	if (!SvOK (length) \|\| len + dataoffset > svlen)
607	len = svlen - dataoffset;	816	len = svlen - dataoffset;
608	}	817	}
609	else	818	else
610	{	819	{
611	/* read: grow scalar as necessary */	820	/* read: check type and grow scalar as necessary */
		821	SvUPGRADE (data, SVt_PV);
612	svptr = SvGROW (data, len + dataoffset + 1);	822	svptr = SvGROW (data, len + dataoffset + 1);
613	}	823	}
614
615	if (len < 0)
616	croak ("length must not be negative");
617		824
618	{	825	{
619	dREQ;	826	dREQ;
620		827
621	req->type = ix;	828	req->type = ix;
622	req->sv1 = newSVsv (fh);	829	req->sv1 = newSVsv (fh);
623	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	830	req->int1 = fd;
624	: IoOFP (sv_2io (fh)));
625	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	831	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
626	req->size = len;	832	req->size = len;
627	req->sv2 = SvREFCNT_inc (data);	833	req->sv2 = SvREFCNT_inc (data);
628	req->ptr2 = (char *)svptr + dataoffset;	834	req->ptr2 = (char *)svptr + dataoffset;
629	req->stroffset = dataoffset;	835	req->stroffset = dataoffset;
…		…
644	PPCODE:	850	PPCODE:
645	{	851	{
646	SV *data;	852	SV *data;
647	dREQ;	853	dREQ;
648		854
649	data = newSV (NAME_MAX);
650	SvPOK_on (data);
651
652	req->type = EIO_READLINK;	855	req->type = EIO_READLINK;
653	req->sv1 = newSVsv (path);	856	req->sv1 = newSVsv (path);
654	req->ptr1 = SvPVbyte_nolen (req->sv1);	857	req->ptr1 = SvPVbyte_nolen (req->sv1);
655	req->sv2 = data;
656	req->ptr2 = SvPVbyte_nolen (data);
657		858
658	REQ_SEND;	859	REQ_SEND;
659	}	860	}
660		861
661	void	862	void
662	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	863	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $$$$;$	864	PROTOTYPE: $$$$;$
664	PPCODE:	865	PPCODE:
665	{	866	{
		867	int ifd = s_fileno_croak (in_fh , 0);
		868	int ofd = s_fileno_croak (out_fh, 1);
666	dREQ;	869	dREQ;
667		870
668	req->type = EIO_SENDFILE;	871	req->type = EIO_SENDFILE;
669	req->sv1 = newSVsv (out_fh);	872	req->sv1 = newSVsv (out_fh);
670	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	873	req->int1 = ofd;
671	req->sv2 = newSVsv (in_fh);	874	req->sv2 = newSVsv (in_fh);
672	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	875	req->int2 = ifd;
673	req->offs = SvVAL64 (in_offset);	876	req->offs = in_offset;
674	req->size = length;	877	req->size = length;
675		878
676	REQ_SEND;	879	REQ_SEND;
677	}	880	}
678		881
679	void	882	void
680	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	883	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
681	PROTOTYPE: $$$;$	884	PROTOTYPE: $$$;$
682	PPCODE:	885	PPCODE:
683	{	886	{
		887	int fd = s_fileno_croak (fh, 0);
684	dREQ;	888	dREQ;
685		889
686	req->type = EIO_READAHEAD;	890	req->type = EIO_READAHEAD;
687	req->sv1 = newSVsv (fh);	891	req->sv1 = newSVsv (fh);
688	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	892	req->int1 = fd;
689	req->offs = SvVAL64 (offset);	893	req->offs = offset;
690	req->size = length;	894	req->size = length;
691		895
692	REQ_SEND;	896	REQ_SEND;
693	}	897	}
694		898
695	void	899	void
696	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	900	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
697	ALIAS:	901	ALIAS:
698	aio_stat = EIO_STAT	902	aio_stat = EIO_STAT
699	aio_lstat = EIO_LSTAT	903	aio_lstat = EIO_LSTAT
		904	aio_statvfs = EIO_STATVFS
700	PPCODE:	905	PPCODE:
701	{	906	{
702	dREQ;	907	dREQ;
703		908
704	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
705	if (!req->ptr2)
706	{
707	req_destroy (req);
708	croak ("out of memory during aio_stat statdata allocation");
709	}
710
711	req->flags \|= EIO_FLAG_PTR2_FREE;
712	req->sv1 = newSVsv (fh_or_path);	909	req->sv1 = newSVsv (fh_or_path);
713		910
714	if (SvPOK (fh_or_path))	911	if (SvPOK (req->sv1))
715	{	912	{
716	req->type = ix;	913	req->type = ix;
717	req->ptr1 = SvPVbyte_nolen (req->sv1);	914	req->ptr1 = SvPVbyte_nolen (req->sv1);
718	}	915	}
719	else	916	else
720	{	917	{
721	req->type = EIO_FSTAT;	918	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
722	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	919	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
723	}	920	}
724		921
725	REQ_SEND;	922	REQ_SEND;
726	}	923	}
…		…
733		930
734	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	931	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
735	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	932	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
736	req->sv1 = newSVsv (fh_or_path);	933	req->sv1 = newSVsv (fh_or_path);
737		934
738	if (SvPOK (fh_or_path))	935	if (SvPOK (req->sv1))
739	{	936	{
740	req->type = EIO_UTIME;	937	req->type = EIO_UTIME;
741	req->ptr1 = SvPVbyte_nolen (req->sv1);	938	req->ptr1 = SvPVbyte_nolen (req->sv1);
742	}	939	}
743	else	940	else
…		…
756	dREQ;	953	dREQ;
757		954
758	req->sv1 = newSVsv (fh_or_path);	955	req->sv1 = newSVsv (fh_or_path);
759	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	956	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
760		957
761	if (SvPOK (fh_or_path))	958	if (SvPOK (req->sv1))
762	{	959	{
763	req->type = EIO_TRUNCATE;	960	req->type = EIO_TRUNCATE;
764	req->ptr1 = SvPVbyte_nolen (req->sv1);	961	req->ptr1 = SvPVbyte_nolen (req->sv1);
765	}	962	}
766	else	963	else
…		…
774		971
775	void	972	void
776	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	973	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
777	ALIAS:	974	ALIAS:
778	aio_chmod = EIO_CHMOD	975	aio_chmod = EIO_CHMOD
779	aio_fchmod = EIO_FCHMOD
780	aio_mkdir = EIO_MKDIR	976	aio_mkdir = EIO_MKDIR
781	PPCODE:	977	PPCODE:
782	{	978	{
783	dREQ;	979	dREQ;
784		980
785	req->type = ix;
786	req->int2 = mode;	981	req->int2 = mode;
787	req->sv1 = newSVsv (fh_or_path);	982	req->sv1 = newSVsv (fh_or_path);
788		983
789	if (ix == EIO_FCHMOD)	984	if (SvPOK (req->sv1))
790	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	985	{
		986	req->type = ix;
		987	req->ptr1 = SvPVbyte_nolen (req->sv1);
		988	}
791	else	989	else
792	req->ptr1 = SvPVbyte_nolen (req->sv1);	990	{
		991	req->type = EIO_FCHMOD;
		992	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		993	}
793		994
794	REQ_SEND;	995	REQ_SEND;
795	}	996	}
796		997
797	void	998	void
…		…
802		1003
803	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1004	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
804	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1005	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
805	req->sv1 = newSVsv (fh_or_path);	1006	req->sv1 = newSVsv (fh_or_path);
806		1007
807	if (SvPOK (fh_or_path))	1008	if (SvPOK (req->sv1))
808	{	1009	{
809	req->type = EIO_CHOWN;	1010	req->type = EIO_CHOWN;
810	req->ptr1 = SvPVbyte_nolen (req->sv1);	1011	req->ptr1 = SvPVbyte_nolen (req->sv1);
811	}	1012	}
812	else	1013	else
…		…
814	req->type = EIO_FCHOWN;	1015	req->type = EIO_FCHOWN;
815	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1016	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816	}	1017	}
817		1018
818	REQ_SEND;	1019	REQ_SEND;
		1020	}
		1021
		1022	void
		1023	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1024	PPCODE:
		1025	{
		1026	dREQ;
		1027
		1028	req->type = EIO_READDIR;
		1029	req->sv1 = newSVsv (pathname);
		1030	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1031	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1032
		1033	if (flags & EIO_READDIR_DENTS)
		1034	req->int1 \|= EIO_READDIR_CUSTOM2;
		1035
		1036	REQ_SEND;
819	}	1037	}
820		1038
821	void	1039	void
822	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1040	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
823	ALIAS:	1041	ALIAS:
…		…
868		1086
869	REQ_SEND;	1087	REQ_SEND;
870	}	1088	}
871		1089
872	void	1090	void
		1091	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1092	ALIAS:
		1093	aio_mtouch = EIO_MTOUCH
		1094	aio_msync = EIO_MSYNC
		1095	PROTOTYPE: $$$$;$
		1096	PPCODE:
		1097	{
		1098	STRLEN svlen;
		1099	UV len = SvUV (length);
		1100	char *svptr = SvPVbyte (data, svlen);
		1101
		1102	if (offset < 0)
		1103	offset += svlen;
		1104
		1105	if (offset < 0 \|\| offset > svlen)
		1106	croak ("offset outside of scalar");
		1107
		1108	if (!SvOK (length) \|\| len + offset > svlen)
		1109	len = svlen - offset;
		1110
		1111	{
		1112	dREQ;
		1113
		1114	req->type = ix;
		1115	req->size = len;
		1116	req->sv2 = SvREFCNT_inc (data);
		1117	req->ptr2 = (char *)svptr + offset;
		1118	req->int1 = flags;
		1119
		1120	REQ_SEND;
		1121	}
		1122	}
		1123
		1124	void
873	aio_busy (double delay, SV *callback=&PL_sv_undef)	1125	aio_busy (double delay, SV *callback=&PL_sv_undef)
874	PPCODE:	1126	PPCODE:
875	{	1127	{
876	dREQ;	1128	dREQ;
877		1129
…		…
888	{	1140	{
889	dREQ;	1141	dREQ;
890		1142
891	req->type = EIO_GROUP;	1143	req->type = EIO_GROUP;
892		1144
893	eio_submit (req);	1145	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1146	XPUSHs (req_sv (req, aio_grp_stash));
895	}	1147	}
896		1148
897	void	1149	void
898	aio_nop (SV *callback=&PL_sv_undef)	1150	aio_nop (SV *callback=&PL_sv_undef)
899	ALIAS:	1151	ALIAS:
…		…
910		1162
911	int	1163	int
912	aioreq_pri (int pri = 0)	1164	aioreq_pri (int pri = 0)
913	PROTOTYPE: ;$	1165	PROTOTYPE: ;$
914	CODE:	1166	CODE:
915	RETVAL = next_pri - EIO_PRI_BIAS;	1167	RETVAL = next_pri;
916	if (items > 0)	1168	if (items > 0)
917	{	1169	{
918	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1170	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
919	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1171	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
920	next_pri = pri + EIO_PRI_BIAS;	1172	next_pri = pri;
921	}	1173	}
922	OUTPUT:	1174	OUTPUT:
923	RETVAL	1175	RETVAL
924		1176
925	void	1177	void
926	aioreq_nice (int nice = 0)	1178	aioreq_nice (int nice = 0)
927	CODE:	1179	CODE:
928	nice = next_pri - nice;	1180	nice = next_pri - nice;
929	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1181	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
930	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1182	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
931	next_pri = nice + EIO_PRI_BIAS;	1183	next_pri = nice;
932		1184
933	void	1185	void
934	flush ()	1186	flush ()
935	PROTOTYPE:	1187	PROTOTYPE:
936	CODE:	1188	CODE:
…		…
951		1203
952	int	1204	int
953	poll_fileno()	1205	poll_fileno()
954	PROTOTYPE:	1206	PROTOTYPE:
955	CODE:	1207	CODE:
956	RETVAL = respipe [0];	1208	RETVAL = s_epipe_fd (&respipe);
957	OUTPUT:	1209	OUTPUT:
958	RETVAL	1210	RETVAL
959		1211
960	int	1212	int
961	poll_cb(...)	1213	poll_cb(...)
…		…
997		1249
998	int	1250	int
999	nthreads()	1251	nthreads()
1000	PROTOTYPE:	1252	PROTOTYPE:
1001	CODE:	1253	CODE:
1002	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1254	RETVAL = eio_nthreads ();
1003	RETVAL = started;
1004	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1005	OUTPUT:	1255	OUTPUT:
1006	RETVAL	1256	RETVAL
1007		1257
		1258	int
		1259	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1260	PROTOTYPE: $$$$
		1261	CODE:
		1262	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1263	RETVAL = posix_fadvise (fh, offset, length, advice);
		1264	#else
		1265	RETVAL = errno = ENOSYS;
		1266	#endif
		1267	OUTPUT:
		1268	RETVAL
		1269
		1270	ssize_t
		1271	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1272	PROTOTYPE: $$$$
		1273	CODE:
		1274	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1275	OUTPUT:
		1276	RETVAL
		1277
		1278	int
		1279	mlockall (int flags)
		1280	PROTOTYPE: $
		1281	CODE:
		1282	#if _POSIX_MEMLOCK
		1283	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1284	extern int mallopt (int, int);
		1285	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1286	#endif
		1287	mlockall (flags);
		1288	#else
		1289	RETVAL ＝-1;
		1290	errno = ENOSYS;
		1291	#endif
		1292	OUTPUT:
		1293	RETVAL
		1294
		1295	int
		1296	munlockall ()
		1297	PROTOTYPE:
		1298	CODE:
		1299	#if _POSIX_MEMLOCK
		1300	munlockall ();
		1301	#else
		1302	RETVAL ＝-1;
		1303	errno = ENOSYS;
		1304	#endif
		1305	OUTPUT:
		1306	RETVAL
		1307
		1308	void _on_next_submit (SV *cb)
		1309	CODE:
		1310	SvREFCNT_dec (on_next_submit);
		1311	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1312
1008	PROTOTYPES: DISABLE	1313	PROTOTYPES: DISABLE
1009		1314
1010	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1315	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1011		1316
1012	void	1317	void
…		…
1014	CODE:	1319	CODE:
1015	eio_cancel (req);	1320	eio_cancel (req);
1016		1321
1017	void	1322	void
1018	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1323	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1019	CODE:	1324	PPCODE:
		1325	{
		1326	if (GIMME_V != G_VOID)
		1327	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1328
		1329	if (items > 1)
		1330	{
		1331	SV *cb_cv =get_cb (callback);
		1332
1020	SvREFCNT_dec (req->callback);	1333	SvREFCNT_dec (req->callback);
1021	req->callback = newSVsv (callback);	1334	req->callback = SvREFCNT_inc (cb_cv);
		1335	}
		1336	}
1022		1337
1023	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1338	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1024		1339
1025	void	1340	void
1026	add (aio_req grp, ...)	1341	add (aio_req grp, ...)
…		…
1058	AV *av;	1373	AV *av;
1059		1374
1060	grp->errorno = errno;	1375	grp->errorno = errno;
1061		1376
1062	av = newAV ();	1377	av = newAV ();
		1378	av_extend (av, items - 1);
1063		1379
1064	for (i = 1; i < items; ++i )	1380	for (i = 1; i < items; ++i )
1065	av_push (av, newSVsv (ST (i)));	1381	av_push (av, newSVsv (ST (i)));
1066		1382
1067	SvREFCNT_dec (grp->sv1);	1383	SvREFCNT_dec (grp->sv1);
…		…
1081	void	1397	void
1082	feed (aio_req grp, SV *callback=&PL_sv_undef)	1398	feed (aio_req grp, SV *callback=&PL_sv_undef)
1083	CODE:	1399	CODE:
1084	{	1400	{
1085	SvREFCNT_dec (grp->sv2);	1401	SvREFCNT_dec (grp->sv2);
1086	grp->sv2 = newSVsv (callback);	1402	grp->sv2 = newSVsv (callback);
		1403	grp->feed = aio_grp_feed;
1087		1404
1088	if (grp->int2 <= 0)	1405	if (grp->int2 <= 0)
1089	grp->int2 = 2;	1406	grp->int2 = 2;
1090		1407
1091	eio_grp_limit (grp, grp->int2);	1408	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.116 by root, Sat May 10 19:25:33 2008 UTC vs. Revision 1.161 by root, Sun Jan 10 20:28:43 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.116 by root, Sat May 10 19:25:33 2008 UTC vs.
Revision 1.161 by root, Sun Jan 10 20:28:43 2010 UTC