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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.118 by root, Sun May 11 00:01:03 2008 UTC vs.
Revision 1.202 by root, Thu Sep 29 10:01:35 2011 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>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
17		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
18	/* perl namespace pollution */	24	/* perl namespace pollution */
19	#undef VERSION	25	#undef VERSION
20		26
		27	/* perl stupidly overrides readdir and maybe others */
		28	/* with thread-unsafe versions, imagine that :( */
		29	#undef readdir
		30	#undef opendir
		31	#undef closedir
		32
21	#ifdef _WIN32	33	#ifdef _WIN32
22		34
23	# define EIO_STRUCT_DIRENT Direntry_t
24	# undef malloc
25	# undef free
26
27	// perl overrides all those nice win32 functions	35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
28	# undef open	39	#undef open
29	# undef read	40	#undef read
30	# undef write	41	#undef write
31	# undef send	42	#undef send
32	# undef recv	43	#undef recv
33	# undef stat	44	#undef stat
		45	#undef lstat
34	# undef fstat	46	#undef fstat
35	# define lstat stat
36	# undef truncate	47	#undef truncate
37	# undef ftruncate	48	#undef ftruncate
38	# undef open	49	#undef open
		50	#undef link
39	# undef close	51	#undef close
40	# undef unlink	52	#undef unlink
		53	#undef mkdir
41	# undef rmdir	54	#undef rmdir
42	# undef rename	55	#undef rename
43	# undef lseek	56	#undef lseek
44		57	#undef opendir
45	# define chown(a,b,c) (errno = ENOSYS, -1)	58	#undef readdir
46	# define fchown(a,b,c) (errno = ENOSYS, -1)	59	#undef closedir
47	# define fchmod(a,b) (errno = ENOSYS, -1)	60	#undef chmod
48	# define symlink(a,b) (errno = ENOSYS, -1)	61	#undef fchmod
49	# define readlink(a,b,c) (errno = ENOSYS, -1)	62	#undef dup
50	# define mknod(a,b,c) (errno = ENOSYS, -1)	63	#undef dup2
51	# define truncate(a,b) (errno = ENOSYS, -1)	64	#undef abort
52	# define ftruncate(fd,o) chsize ((fd), (o))	65	#undef pipe
53	# define fsync(fd) _commit (fd)
54	# define opendir(fd) (errno = ENOSYS, 0)
55	# define readdir(fd) (errno = ENOSYS, -1)
56	# define closedir(fd) (errno = ENOSYS, -1)
57	# define mkdir(a,b) mkdir (a)
58		66
59	#else	67	#else
60		68
61	# include <sys/time.h>	69	#include <sys/time.h>
62	# include <sys/select.h>	70	#include <sys/select.h>
63	# include <unistd.h>	71	#include <unistd.h>
64	# include <utime.h>	72	#include <utime.h>
65	# include <signal.h>	73	#include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent
67		74
68	#endif	75	#endif
69		76
70	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
71		78
72	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
73	#if IVSIZE >= 8	80	#if IVSIZE >= 8
		81	# define VAL64 IV
74	# define SvVAL64 SvIV	82	# define SvVAL64 SvIV
		83	# define newSVval64 newSViv
75	#else	84	#else
		85	# define VAL64 NV
76	# define SvVAL64 SvNV	86	# define SvVAL64 SvNV
		87	# define newSVval64 newSVnv
77	#endif	88	#endif
78		89
79	static HV *stash;	90	/*****************************************************************************/
		91
		92	#if __GNUC__ >= 3
		93	# define expect(expr,value) __builtin_expect ((expr),(value))
		94	#else
		95	# define expect(expr,value) (expr)
		96	#endif
		97
		98	#define expect_false(expr) expect ((expr) != 0, 0)
		99	#define expect_true(expr) expect ((expr) != 0, 1)
		100
		101	/*****************************************************************************/
		102
80	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
		104	typedef int aio_rfd; /* read file desriptor */
		105	typedef int aio_wfd; /* write file descriptor */
81		106
82	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
83	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		108
85	#define EIO_COMMON \	109	#define EIO_REQ_MEMBERS \
86	SV *callback; \	110	SV *callback; \
87	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
88	STRLEN stroffset; \	113	STRLEN stroffset; \
89	SV *self	114	SV *self;
90		115
		116	#define EIO_NO_WRAPPERS 1
		117
		118	#include "libeio/config.h"
91	#include "libeio/eio.h"	119	#include "libeio/eio.h"
92		120
93	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
94	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
95	static void aio_grp_feed (eio_req *grp);
96	#define EIO_FEED(req) aio_grp_feed (req)
97	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
98	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
		125
		126	#include "libeio/eio.c"
		127
		128	/* Linux/others */
		129	#ifndef O_ASYNC
		130	# define O_ASYNC 0
		131	#endif
		132	#ifndef O_DIRECT
		133	# define O_DIRECT 0
		134	#endif
		135	#ifndef O_NOATIME
		136	# define O_NOATIME 0
		137	#endif
		138
		139	/* POSIX */
		140	#ifndef O_CLOEXEC
		141	# define O_CLOEXEC 0
		142	#endif
		143	#ifndef O_NOFOLLOW
		144	# define O_NOFOLLOW 0
		145	#endif
		146	#ifndef O_NOCTTY
		147	# define O_NOCTTY 0
		148	#endif
		149	#ifndef O_NONBLOCK
		150	# define O_NONBLOCK 0
		151	#endif
		152	#ifndef O_EXEC
		153	# define O_EXEC 0
		154	#endif
		155	#ifndef O_SEARCH
		156	# define O_SEARCH 0
		157	#endif
		158	#ifndef O_DIRECTORY
		159	# define O_DIRECTORY 0
		160	#endif
		161	#ifndef O_DSYNC
		162	# define O_DSYNC 0
		163	#endif
		164	#ifndef O_RSYNC
		165	# define O_RSYNC 0
		166	#endif
		167	#ifndef O_SYNC
		168	# define O_SYNC 0
		169	#endif
		170	#ifndef O_TTY_INIT
		171	# define O_TTY_INIT 0
		172	#endif
		173
		174	#ifndef POSIX_FADV_NORMAL
		175	# define POSIX_FADV_NORMAL 0
		176	#endif
		177	#ifndef POSIX_FADV_SEQUENTIAL
		178	# define POSIX_FADV_SEQUENTIAL 0
		179	#endif
		180	#ifndef POSIX_FADV_RANDOM
		181	# define POSIX_FADV_RANDOM 0
		182	#endif
		183	#ifndef POSIX_FADV_NOREUSE
		184	# define POSIX_FADV_NOREUSE 0
		185	#endif
		186	#ifndef POSIX_FADV_WILLNEED
		187	# define POSIX_FADV_WILLNEED 0
		188	#endif
		189	#ifndef POSIX_FADV_DONTNEED
		190	# define POSIX_FADV_DONTNEED 0
		191	#endif
		192
		193	#if !HAVE_POSIX_FADVISE
		194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		195	#endif
		196
		197	#ifndef POSIX_MADV_NORMAL
		198	# define POSIX_MADV_NORMAL 0
		199	#endif
		200	#ifndef POSIX_MADV_SEQUENTIAL
		201	# define POSIX_MADV_SEQUENTIAL 0
		202	#endif
		203	#ifndef POSIX_MADV_RANDOM
		204	# define POSIX_MADV_RANDOM 0
		205	#endif
		206	#ifndef POSIX_MADV_WILLNEED
		207	# define POSIX_MADV_WILLNEED 0
		208	#endif
		209	#ifndef POSIX_MADV_DONTNEED
		210	# define POSIX_MADV_DONTNEED 0
		211	#endif
		212
		213	#if !HAVE_POSIX_MADVISE
		214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		215	#endif
		216
		217	#ifndef PROT_NONE
		218	# define PROT_NONE 0
		219	#endif
		220	#ifndef PROT_READ
		221	# define PROT_READ 0
		222	#endif
		223	#ifndef PROT_WRITE
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_EXEC
		227	# define PROT_EXEC 0
		228	#endif
		229
		230	#ifndef ST_RDONLY
		231	# define ST_RDONLY 0
		232	#endif
		233	#ifndef ST_NOSUID
		234	# define ST_NOSUID 0
		235	#endif
		236	#ifndef ST_NODEV
		237	# define ST_NODEV 0
		238	#endif
		239	#ifndef ST_NOEXEC
		240	# define ST_NOEXEC 0
		241	#endif
		242	#ifndef ST_SYNCHRONOUS
		243	# define ST_SYNCHRONOUS 0
		244	#endif
		245	#ifndef ST_MANDLOCK
		246	# define ST_MANDLOCK 0
		247	#endif
		248	#ifndef ST_WRITE
		249	# define ST_WRITE 0
		250	#endif
		251	#ifndef ST_APPEND
		252	# define ST_APPEND 0
		253	#endif
		254	#ifndef ST_IMMUTABLE
		255	# define ST_IMMUTABLE 0
		256	#endif
		257	#ifndef ST_NOATIME
		258	# define ST_NOATIME 0
		259	#endif
		260	#ifndef ST_NODIRATIME
		261	# define ST_NODIRATIME 0
		262	#endif
		263	#ifndef ST_RELATIME
		264	# define ST_RELATIME 0
		265	#endif
		266
		267	#ifndef S_IFIFO
		268	# define S_IFIFO 0
		269	#endif
		270	#ifndef S_IFCHR
		271	# define S_IFCHR 0
		272	#endif
		273	#ifndef S_IFBLK
		274	# define S_IFBLK 0
		275	#endif
		276	#ifndef S_IFLNK
		277	# define S_IFLNK 0
		278	#endif
		279	#ifndef S_IFREG
		280	# define S_IFREG 0
		281	#endif
		282	#ifndef S_IFDIR
		283	# define S_IFDIR 0
		284	#endif
		285	#ifndef S_IFWHT
		286	# define S_IFWHT 0
		287	#endif
		288	#ifndef S_IFSOCK
		289	# define S_IFSOCK 0
		290	#endif
		291
		292	#ifndef MAP_ANONYMOUS
		293	# ifdef MAP_ANON
		294	# define MAP_ANONYMOUS MAP_ANON
		295	# else
		296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		297	# endif
		298	#endif
		299	#ifndef MAP_HUGETLB
		300	# define MAP_HUGETLB 0
		301	#endif
		302	#ifndef MAP_LOCKED
		303	# define MAP_LOCKED 0
		304	#endif
		305	#ifndef MAP_NORESERVE
		306	# define MAP_NORESERVE 0
		307	#endif
		308	#ifndef MAP_POPULATE
		309	# define MAP_POPULATE 0
		310	#endif
		311	#ifndef MAP_NONBLOCK
		312	# define MAP_NONBLOCK 0
		313	#endif
		314
		315	#ifndef makedev
		316	# define makedev(maj,min) (((maj) << 8) | (min))
		317	#endif
		318	#ifndef major
		319	# define major(dev) ((dev) >> 8)
		320	#endif
		321	#ifndef minor
		322	# define minor(dev) ((dev) & 0xff)
		323	#endif
		324
		325	#ifndef PAGESIZE
		326	# define PAGESIZE sysconf (_SC_PAGESIZE)
		327	#endif
99		328
100	enum {	329	enum {
101	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
102	};	331	};
103		332
104	#include "libeio/eio.c"
105
106	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
107	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
108		336
109	static SV *on_next_submit;	337	static SV *on_next_submit;
110	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	338	static int next_pri = EIO_PRI_DEFAULT;
111	static int max_outstanding;	339	static int max_outstanding;
112		340
113	static int respipe_osf [2], respipe [2] = { -1, -1 };	341	static s_epipe respipe;
114		342
115	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
116	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
117		345
118	static void want_poll (void)	346	static void
		347	want_poll (void)
119	{	348	{
120	/* write a dummy byte to the pipe so fh becomes ready */	349	/* write a dummy byte to the pipe so fh becomes ready */
121	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	350	s_epipe_signal (&respipe);
122	}	351	}
123		352
124	static void done_poll (void)	353	static void
		354	done_poll (void)
125	{	355	{
126	/* read any signals sent by the worker threads */	356	/* read any signals sent by the worker threads */
127	char buf [4];	357	s_epipe_drain (&respipe);
128	while (respipe_read (respipe [0], buf, 4) == 4)
129	;
130	}	358	}
131		359
132	/* must be called at most once */	360	/* must be called at most once */
133	static SV *req_sv (aio_req req, const char *klass)	361	static SV *
		362	req_sv (aio_req req, HV *stash)
134	{	363	{
135	if (!req->self)	364	if (!req->self)
136	{	365	{
137	req->self = (SV *)newHV ();	366	req->self = (SV *)newHV ();
138	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	367	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
139	}	368	}
140		369
141	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	370	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
142	}	371	}
143		372
144	static aio_req SvAIO_REQ (SV *sv)	373	static SV *
		374	newSVaio_wd (aio_wd wd)
		375	{
		376	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);
		377	}
		378
		379	static aio_req
		380	SvAIO_REQ (SV *sv)
145	{	381	{
146	MAGIC *mg;	382	MAGIC *mg;
147		383
148	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	384	if (!SvROK (sv)
		385	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		386	&& SvSTASH (SvRV (sv)) != aio_req_stash
		387	&& !sv_derived_from (sv, "IO::AIO::REQ")))
149	croak ("object of class " AIO_REQ_KLASS " expected");	388	croak ("object of class IO::AIO::REQ expected");
150		389
151	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	390	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
152		391
153	return mg ? (aio_req)mg->mg_ptr : 0;	392	return mg ? (aio_req)mg->mg_ptr : 0;
154	}	393	}
155		394
		395	static aio_wd
		396	SvAIO_WD (SV *sv)
		397	{
		398	if (!SvROK (sv)
		399	|| SvSTASH (SvRV (sv)) != aio_wd_stash
		400	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
		401	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		402
		403	return (aio_wd)(long)SvIVX (SvRV (sv));
		404	}
		405
		406	static void
156	static void aio_grp_feed (aio_req grp)	407	aio_grp_feed (aio_req grp)
157	{	408	{
158	if (grp->sv2 && SvOK (grp->sv2))	409	if (grp->sv2 && SvOK (grp->sv2))
159	{	410	{
160	dSP;	411	dSP;
161		412
162	ENTER;	413	ENTER;
163	SAVETMPS;	414	SAVETMPS;
164	PUSHMARK (SP);	415	PUSHMARK (SP);
165	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	416	XPUSHs (req_sv (grp, aio_grp_stash));
166	PUTBACK;	417	PUTBACK;
167	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	418	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
168	SPAGAIN;	419	SPAGAIN;
169	FREETMPS;	420	FREETMPS;
170	LEAVE;	421	LEAVE;
171	}	422	}
172	}	423	}
173		424
		425	static void
174	static void req_submit (eio_req *req)	426	req_submit (eio_req *req)
175	{	427	{
176	eio_submit (req);	428	eio_submit (req);
177		429
178	if (on_next_submit)	430	if (expect_false (on_next_submit))
179	{	431	{
180	dSP;	432	dSP;
181	SV *cb = sv_2mortal (on_next_submit);	433	SV *cb = sv_2mortal (on_next_submit);
182		434
183	on_next_submit = 0;	435	on_next_submit = 0;
…		…
186	PUTBACK;	438	PUTBACK;
187	call_sv (cb, G_DISCARD | G_EVAL);	439	call_sv (cb, G_DISCARD | G_EVAL);
188	}	440	}
189	}	441	}
190		442
		443	static int
191	static int req_invoke (eio_req *req)	444	req_invoke (eio_req *req)
192	{	445	{
193	dSP;
194
195	if (req->flags & FLAG_SV2_RO_OFF)	446	if (req->flags & FLAG_SV2_RO_OFF)
196	SvREADONLY_off (req->sv2);	447	SvREADONLY_off (req->sv2);
197		448
198	if (!EIO_CANCELLED (req) && SvOK (req->callback))	449	if (!EIO_CANCELLED (req) && req->callback)
199	{	450	{
		451	dSP;
		452	static SV *sv_result_cache; /* caches the result integer SV */
		453	SV *sv_result;
		454
200	ENTER;	455	ENTER;
201	SAVETMPS;	456	SAVETMPS;
202	PUSHMARK (SP);	457	PUSHMARK (SP);
203	EXTEND (SP, 1);	458	EXTEND (SP, 1);
204		459
		460	/* do not recreate the result IV from scratch each time */
		461	if (expect_true (sv_result_cache))
		462	{
		463	sv_result = sv_result_cache; sv_result_cache = 0;
		464	SvIV_set (sv_result, req->result);
		465	SvIOK_only (sv_result);
		466	}
		467	else
		468	{
		469	sv_result = newSViv (req->result);
		470	SvREADONLY_on (sv_result);
		471	}
		472
205	switch (req->type)	473	switch (req->type)
206	{	474	{
		475	case EIO_WD_OPEN:
		476	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		477	break;
		478
207	case EIO_READDIR:	479	case EIO_READDIR:
208	{	480	{
209	SV *rv = &PL_sv_undef;	481	SV *rv = &PL_sv_undef;
210		482
211	if (req->result >= 0)	483	if (req->result >= 0)
212	{	484	{
213	int i;	485	int i;
214	char *buf = req->ptr2;	486	char *names = (char *)req->ptr2;
		487	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
215	AV *av = newAV ();	488	AV *av = newAV ();
216		489
217	av_extend (av, req->result - 1);	490	av_extend (av, req->result - 1);
218		491
219	for (i = 0; i < req->result; ++i)	492	for (i = 0; i < req->result; ++i)
220	{	493	{
221	SV *sv = newSVpv (buf, 0);	494	if (req->int1 & EIO_READDIR_DENTS)
		495	{
		496	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
222		497
		498	if (req->int1 & EIO_READDIR_CUSTOM2)
		499	{
		500	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		501	AV *avent = newAV ();
		502
		503	av_extend (avent, 2);
		504
		505	if (!sv_type [ent->type])
		506	{
		507	sv_type [ent->type] = newSViv (ent->type);
		508	SvREADONLY_on (sv_type [ent->type]);
		509	}
		510
		511	av_store (avent, 0, namesv);
		512	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		513	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		514
		515	av_store (av, i, newRV_noinc ((SV *)avent));
		516	}
		517	else
223	av_store (av, i, sv);	518	av_store (av, i, namesv);
		519
		520	++ent;
		521	}
		522	else
		523	{
		524	SV *name = newSVpv (names, 0);
		525	av_store (av, i, name);
224	buf += SvCUR (sv) + 1;	526	names += SvCUR (name) + 1;
		527	}
225	}	528	}
226		529
227	rv = sv_2mortal (newRV_noinc ((SV *)av));	530	rv = sv_2mortal (newRV_noinc ((SV *)av));
228	}	531	}
229		532
230	PUSHs (rv);	533	PUSHs (rv);
		534
		535	if (req->int1 & EIO_READDIR_CUSTOM1)
		536	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
231	}	537	}
232	break;	538	break;
233		539
234	case EIO_OPEN:	540	case EIO_OPEN:
235	{	541	{
…		…
241	GV *gv = (GV *)sv_newmortal ();	547	GV *gv = (GV *)sv_newmortal ();
242	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	548	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
243	char sym [64];	549	char sym [64];
244	int symlen;	550	int symlen;
245		551
246	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	552	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
247	gv_init (gv, stash, sym, symlen, 0);	553	gv_init (gv, aio_stash, sym, symlen, 0);
248		554
249	symlen = snprintf (	555	symlen = snprintf (
250	sym,	556	sym,
251	sizeof (sym),	557	sizeof (sym),
252	"%s&=%d",	558	"%s&=%d",
253	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	559	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
254	req->result	560	(int)req->result
255	);	561	);
256		562
257	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	563	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
258	fh = (SV *)gv;	564	fh = (SV *)gv;
259	}	565	}
260		566
261	PUSHs (fh);	567	PUSHs (fh);
262	}	568	}
		569	break;
		570
		571	case EIO_STATVFS:
		572	case EIO_FSTATVFS:
		573	{
		574	SV *rv = &PL_sv_undef;
		575
		576	#ifndef _WIN32
		577	if (req->result >= 0)
		578	{
		579	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		580	HV *hv = newHV ();
		581
		582	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		583
		584	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		585	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		586	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		587	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		588	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		589	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		590	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		591	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		592	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		593	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		594	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		595	}
		596	#endif
		597
		598	PUSHs (rv);
		599	}
		600
263	break;	601	break;
264		602
265	case EIO_GROUP:	603	case EIO_GROUP:
266	req->int1 = 2; /* mark group as finished */	604	req->int1 = 2; /* mark group as finished */
267		605
…		…
279	case EIO_NOP:	617	case EIO_NOP:
280	case EIO_BUSY:	618	case EIO_BUSY:
281	break;	619	break;
282		620
283	case EIO_READLINK:	621	case EIO_READLINK:
		622	case EIO_REALPATH:
284	if (req->result > 0)	623	if (req->result > 0)
285	{	624	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
286	SvCUR_set (req->sv2, req->result);
287	*SvEND (req->sv2) = 0;
288	PUSHs (req->sv2);
289	}
290	break;	625	break;
291		626
292	case EIO_STAT:	627	case EIO_STAT:
293	case EIO_LSTAT:	628	case EIO_LSTAT:
294	case EIO_FSTAT:	629	case EIO_FSTAT:
295	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	630	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		631
296	PL_laststatval = req->result;	632	if (!(PL_laststatval = req->result))
		633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
297	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	634	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
298	PUSHs (sv_2mortal (newSViv (req->result)));	635
		636	PUSHs (sv_result);
299	break;	637	break;
300		638
301	case EIO_READ:	639	case EIO_READ:
		640	{
302	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	641	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
303	*SvEND (req->sv2) = 0;	642	*SvEND (req->sv2) = 0;
304	PUSHs (sv_2mortal (newSViv (req->result)));	643	SvPOK_only (req->sv2);
		644	SvSETMAGIC (req->sv2);
		645	PUSHs (sv_result);
		646	}
305	break;	647	break;
306		648
307	case EIO_DUP2:	649	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
308	if (req->result > 0)	650	if (req->result > 0)
309	req->result = 0;	651	SvIV_set (sv_result, 0);
310	/* FALLTHROUGH */	652	/* FALLTHROUGH */
311		653
312	default:	654	default:
313	PUSHs (sv_2mortal (newSViv (req->result)));	655	PUSHs (sv_result);
314	break;	656	break;
315	}	657	}
316		658
317	errno = req->errorno;	659	errno = req->errorno;
318		660
319	PUTBACK;	661	PUTBACK;
320	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	662	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
321	SPAGAIN;	663	SPAGAIN;
322		664
		665	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		666	SvREFCNT_dec (sv_result);
		667	else
		668	sv_result_cache = sv_result;
		669
323	FREETMPS;	670	FREETMPS;
324	LEAVE;	671	LEAVE;
325		672
326	PUTBACK;	673	PUTBACK;
327	}	674	}
328		675
329	return !!SvTRUE (ERRSV);	676	return !!SvTRUE (ERRSV);
330	}	677	}
331		678
		679	static void
332	static void req_destroy (aio_req req)	680	req_destroy (aio_req req)
333	{	681	{
334	if (req->self)	682	if (req->self)
335	{	683	{
336	sv_unmagic (req->self, PERL_MAGIC_ext);	684	sv_unmagic (req->self, PERL_MAGIC_ext);
337	SvREFCNT_dec (req->self);	685	SvREFCNT_dec (req->self);
338	}	686	}
339		687
340	SvREFCNT_dec (req->sv1);	688	SvREFCNT_dec (req->sv1);
341	SvREFCNT_dec (req->sv2);	689	SvREFCNT_dec (req->sv2);
		690	SvREFCNT_dec (req->sv3);
		691	SvREFCNT_dec (req->sv4);
342	SvREFCNT_dec (req->callback);	692	SvREFCNT_dec (req->callback);
343		693
344	Safefree (req);	694	Safefree (req);
345	}	695	}
346		696
		697	static void
347	static void req_cancel_subs (aio_req grp)	698	req_cancel_subs (aio_req grp)
348	{	699	{
349	aio_req sub;
350
351	if (grp->type != EIO_GROUP)	700	if (grp->type != EIO_GROUP)
352	return;	701	return;
353		702
354	SvREFCNT_dec (grp->sv2);	703	SvREFCNT_dec (grp->sv2);
355	grp->sv2 = 0;	704	grp->sv2 = 0;
356		705
357	eio_grp_cancel (grp);	706	eio_grp_cancel (grp);
358	}	707	}
359		708
360	#ifdef USE_SOCKETS_AS_HANDLES	709	static void ecb_cold
361	# define TO_SOCKET(x) (win32_get_osfhandle (x))	710	create_respipe (void)
362	#else	711	{
363	# define TO_SOCKET(x) (x)	712	if (s_epipe_renew (&respipe))
364	#endif	713	croak ("IO::AIO: unable to initialize result pipe");
		714	}
365		715
366	static void	716	static void
367	create_respipe (void)	717	poll_wait (void)
368	{	718	{
369	int old_readfd = respipe [0];
370
371	if (respipe [1] >= 0)
372	respipe_close (TO_SOCKET (respipe [1]));
373
374	#ifdef _WIN32
375	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
376	#else
377	if (pipe (respipe))
378	#endif
379	croak ("unable to initialize result pipe");
380
381	if (old_readfd >= 0)
382	{
383	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
384	croak ("unable to initialize result pipe(2)");
385
386	respipe_close (respipe [0]);
387	respipe [0] = old_readfd;
388	}
389
390	#ifdef _WIN32
391	int arg = 1;
392	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
393	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
394	#else
395	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
396	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
397	#endif
398	croak ("unable to initialize result pipe(3)");
399
400	respipe_osf [0] = TO_SOCKET (respipe [0]);
401	respipe_osf [1] = TO_SOCKET (respipe [1]);
402	}
403
404	static void poll_wait (void)
405	{
406	fd_set rfd;
407
408	while (eio_nreqs ())	719	while (eio_nreqs ())
409	{	720	{
410	int size;	721	int size;
411		722
412	X_LOCK (reslock);	723	X_LOCK (reslock);
…		…
414	X_UNLOCK (reslock);	725	X_UNLOCK (reslock);
415		726
416	if (size)	727	if (size)
417	return;	728	return;
418		729
419	maybe_start_thread ();	730	etp_maybe_start_thread ();
420		731
421	FD_ZERO (&rfd);	732	s_epipe_wait (&respipe);
422	FD_SET (respipe [0], &rfd);
423
424	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
425	}	733	}
426	}	734	}
427		735
428	static int poll_cb (void)	736	static int
		737	poll_cb (void)
429	{	738	{
430	int res;	739	for (;;)
431
432	do
433	{	740	{
434	res = eio_poll ();	741	int res = eio_poll ();
435		742
436	if (res > 0)	743	if (res > 0)
437	croak (0);	744	croak (0);
		745
		746	if (!max_outstanding || max_outstanding > eio_nreqs ())
		747	return res;
		748
		749	poll_wait ();
438	}	750	}
439	while (max_outstanding && max_outstanding <= eio_nreqs ());
440
441	return res;
442	}	751	}
443		752
444	static void atfork_child (void)	753	static void ecb_cold
		754	reinit (void)
445	{	755	{
446	create_respipe ();	756	create_respipe ();
		757
		758	if (eio_init (want_poll, done_poll) < 0)
		759	croak ("IO::AIO: unable to initialise eio library");
		760	}
		761
		762	/*****************************************************************************/
		763
		764	#if !_POSIX_MAPPED_FILES
		765	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		766	# define munmap(addr,length) (errno = ENOSYS, -1)
		767	#endif
		768
		769	#if !_POSIX_MEMORY_PROTECTION
		770	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		771	# define PROT_NONE 0
		772	# define PROT_WRITE 0
		773	# define MAP_PRIVATE 0
		774	# define MAP_SHARED 0
		775	# define MAP_FIXED 0
		776	#endif
		777
		778	#define MMAP_MAGIC PERL_MAGIC_ext
		779
		780	static int ecb_cold
		781	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		782	{
		783	int old_errno = errno;
		784	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		785	errno = old_errno;
		786
		787	mg->mg_obj = 0; /* just in case */
		788
		789	SvREADONLY_off (sv);
		790
		791	if (SvPVX (sv) != mg->mg_ptr)
		792	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		793
		794	SvCUR_set (sv, 0);
		795	SvPVX (sv) = 0;
		796	SvOK_off (sv);
		797
		798	return 0;
		799	}
		800
		801	static MGVTBL mmap_vtbl = {
		802	0, 0, 0, 0, mmap_free
		803	};
		804
		805	/*****************************************************************************/
		806
		807	static SV *
		808	get_cb (SV *cb_sv)
		809	{
		810	SvGETMAGIC (cb_sv);
		811	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
447	}	812	}
448		813
449	#define dREQ \	814	#define dREQ \
		815	SV *cb_cv; \
450	aio_req req; \	816	aio_req req; \
451	int req_pri = next_pri; \	817	int req_pri = next_pri; \
452	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	818	next_pri = EIO_PRI_DEFAULT; \
453	\	819	\
454	if (SvOK (callback) && !SvROK (callback)) \	820	cb_cv = get_cb (callback); \
455	croak ("callback must be undef or of reference type"); \
456	\	821	\
457	Newz (0, req, 1, eio_req); \	822	Newz (0, req, 1, eio_req); \
458	if (!req) \	823	if (!req) \
459	croak ("out of memory during eio_req allocation"); \	824	croak ("out of memory during eio_req allocation"); \
460	\	825	\
461	req->callback = newSVsv (callback); \	826	req->callback = SvREFCNT_inc (cb_cv); \
462	req->pri = req_pri	827	req->pri = req_pri
463		828
464	#define REQ_SEND \	829	#define REQ_SEND \
		830	PUTBACK; \
465	req_submit (req); \	831	req_submit (req); \
		832	SPAGAIN; \
466	\	833	\
467	if (GIMME_V != G_VOID) \	834	if (GIMME_V != G_VOID) \
468	XPUSHs (req_sv (req, AIO_REQ_KLASS));	835	XPUSHs (req_sv (req, aio_req_stash));
469		836
		837	ecb_inline void
		838	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		839	{
		840	if (expect_false (SvROK (path)))
		841	{
		842	AV *av = (AV *)SvRV (path);
		843	SV *wdob;
		844
		845	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		846	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		847
		848	path = AvARRAY (av)[1];
		849	wdob = AvARRAY (av)[0];
		850
		851	if (SvOK (wdob))
		852	{
		853	*wd = SvAIO_WD (wdob);
		854	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		855	}
		856	else
		857	*wd = EIO_INVALID_WD;
		858	}
		859
		860	*pathsv = newSVsv (path);
		861	*ptr = SvPVbyte_nolen (*pathsv);
		862	}
		863
		864	static void ecb_noinline
		865	req_set_path1 (aio_req req, SV *path)
		866	{
		867	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		868	}
		869
		870	static void ecb_noinline
		871	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		872	{
		873	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		874
		875	switch (SvTYPE (rv))
		876	{
		877	case SVt_PVIO:
		878	case SVt_PVLV:
		879	case SVt_PVGV:
		880	req->type = type_fh;
		881	req->sv1 = newSVsv (fh_or_path);
		882	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		883	break;
		884
		885	default:
		886	req->type = type_path;
		887	req_set_path1 (req, fh_or_path);
		888	break;
		889	}
		890	}
		891
		892	XS(boot_IO__AIO) ecb_cold;
		893
470	MODULE = IO::AIO PACKAGE = IO::AIO	894	MODULE = IO::AIO PACKAGE = IO::AIO
471		895
472	PROTOTYPES: ENABLE	896	PROTOTYPES: ENABLE
473		897
474	BOOT:	898	BOOT:
475	{	899	{
		900	static const struct {
		901	const char *name;
		902	IV iv;
		903	} *civ, const_iv[] = {
		904	# define const_niv(name, value) { # name, (IV) value },
		905	# define const_iv(name) { # name, (IV) name },
		906	# define const_eio(name) { # name, (IV) EIO_ ## name },
		907	const_iv (EXDEV)
		908	const_iv (ENOSYS)
		909	const_iv (O_RDONLY)
		910	const_iv (O_WRONLY)
		911	const_iv (O_RDWR)
		912	const_iv (O_CREAT)
		913	const_iv (O_TRUNC)
		914	const_iv (O_EXCL)
		915	const_iv (O_APPEND)
		916
		917	const_iv (O_ASYNC)
		918	const_iv (O_DIRECT)
		919	const_iv (O_NOATIME)
		920
		921	const_iv (O_CLOEXEC)
		922	const_iv (O_NOCTTY)
		923	const_iv (O_NOFOLLOW)
		924	const_iv (O_NONBLOCK)
		925	const_iv (O_EXEC)
		926	const_iv (O_SEARCH)
		927	const_iv (O_DIRECTORY)
		928	const_iv (O_DSYNC)
		929	const_iv (O_RSYNC)
		930	const_iv (O_SYNC)
		931	const_iv (O_TTY_INIT)
		932
		933	const_iv (S_IFIFO)
		934	const_iv (S_IFCHR)
		935	const_iv (S_IFBLK)
		936	const_iv (S_IFLNK)
		937	const_iv (S_IFREG)
		938	const_iv (S_IFDIR)
		939	const_iv (S_IFWHT)
		940	const_iv (S_IFSOCK)
		941	const_iv (S_IFMT)
		942
		943	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		944	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		945	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		946	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		947	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		948	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		949
		950	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		951	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		952	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		953	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		954	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		955
		956	const_iv (ST_RDONLY)
		957	const_iv (ST_NOSUID)
		958	const_iv (ST_NODEV)
		959	const_iv (ST_NOEXEC)
		960	const_iv (ST_SYNCHRONOUS)
		961	const_iv (ST_MANDLOCK)
		962	const_iv (ST_WRITE)
		963	const_iv (ST_APPEND)
		964	const_iv (ST_IMMUTABLE)
		965	const_iv (ST_NOATIME)
		966	const_iv (ST_NODIRATIME)
		967	const_iv (ST_RELATIME)
		968
		969	const_iv (PROT_NONE)
		970	const_iv (PROT_EXEC)
		971	const_iv (PROT_READ)
		972	const_iv (PROT_WRITE)
		973
		974	/*const_iv (MAP_FIXED)*/
		975	const_iv (MAP_PRIVATE)
		976	const_iv (MAP_SHARED)
		977	const_iv (MAP_ANONYMOUS)
		978
		979	/* linuxish */
		980	const_iv (MAP_HUGETLB)
		981	const_iv (MAP_LOCKED)
		982	const_iv (MAP_NORESERVE)
		983	const_iv (MAP_POPULATE)
		984	const_iv (MAP_NONBLOCK)
		985
		986	const_eio (MCL_FUTURE)
		987	const_eio (MCL_CURRENT)
		988
		989	const_eio (MS_ASYNC)
		990	const_eio (MS_INVALIDATE)
		991	const_eio (MS_SYNC)
		992
		993	const_eio (MT_MODIFY)
		994
		995	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		996	const_eio (SYNC_FILE_RANGE_WRITE)
		997	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		998
		999	const_eio (FALLOC_FL_KEEP_SIZE)
		1000
		1001	const_eio (READDIR_DENTS)
		1002	const_eio (READDIR_DIRS_FIRST)
		1003	const_eio (READDIR_STAT_ORDER)
		1004	const_eio (READDIR_FOUND_UNKNOWN)
		1005
		1006	const_eio (DT_UNKNOWN)
		1007	const_eio (DT_FIFO)
		1008	const_eio (DT_CHR)
		1009	const_eio (DT_DIR)
		1010	const_eio (DT_BLK)
		1011	const_eio (DT_REG)
		1012	const_eio (DT_LNK)
		1013	const_eio (DT_SOCK)
		1014	const_eio (DT_WHT)
		1015	};
		1016
476	stash = gv_stashpv ("IO::AIO", 1);	1017	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1018	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1019	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1020	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
477		1021
478	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1022	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
479	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1023	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
480	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
481	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
482	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
483	#ifdef _WIN32
484	X_MUTEX_CHECK (wrklock);
485	X_MUTEX_CHECK (reslock);
486	X_MUTEX_CHECK (reqlock);
487	X_MUTEX_CHECK (reqwait);
488	X_MUTEX_CHECK (preadwritelock);
489	X_MUTEX_CHECK (readdirlock);
490		1024
491	X_COND_CHECK (reqwait);	1025	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
492	#else
493	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
494	#endif
495		1026
496	create_respipe ();	1027	reinit ();
497
498	if (eio_init (want_poll, done_poll) < 0)
499	croak ("IO::AIO: unable to initialise eio library");
500
501	/* atfork child called in fifo order, so before eio's handler */
502	X_THREAD_ATFORK (0, 0, atfork_child);
503	}	1028	}
504		1029
505	void	1030	void
		1031	reinit ()
		1032	PROTOTYPE:
		1033
		1034	void
506	max_poll_reqs (int nreqs)	1035	max_poll_reqs (unsigned int nreqs)
507	PROTOTYPE: $	1036	PROTOTYPE: $
508	CODE:	1037	CODE:
509	eio_set_max_poll_reqs (nreqs);	1038	eio_set_max_poll_reqs (nreqs);
510		1039
511	void	1040	void
…		…
513	PROTOTYPE: $	1042	PROTOTYPE: $
514	CODE:	1043	CODE:
515	eio_set_max_poll_time (nseconds);	1044	eio_set_max_poll_time (nseconds);
516		1045
517	void	1046	void
518	min_parallel (int nthreads)	1047	min_parallel (unsigned int nthreads)
519	PROTOTYPE: $	1048	PROTOTYPE: $
520	CODE:	1049	CODE:
521	eio_set_min_parallel (nthreads);	1050	eio_set_min_parallel (nthreads);
522		1051
523	void	1052	void
524	max_parallel (int nthreads)	1053	max_parallel (unsigned int nthreads)
525	PROTOTYPE: $	1054	PROTOTYPE: $
526	CODE:	1055	CODE:
527	eio_set_max_parallel (nthreads);	1056	eio_set_max_parallel (nthreads);
528		1057
529	void	1058	void
530	max_idle (int nthreads)	1059	max_idle (unsigned int nthreads)
531	PROTOTYPE: $	1060	PROTOTYPE: $
532	CODE:	1061	CODE:
533	eio_set_max_idle (nthreads);	1062	eio_set_max_idle (nthreads);
534		1063
535	void	1064	void
		1065	idle_timeout (unsigned int seconds)
		1066	PROTOTYPE: $
		1067	CODE:
		1068	eio_set_idle_timeout (seconds);
		1069
		1070	void
536	max_outstanding (int maxreqs)	1071	max_outstanding (unsigned int maxreqs)
537	PROTOTYPE: $	1072	PROTOTYPE: $
538	CODE:	1073	CODE:
539	max_outstanding = maxreqs;	1074	max_outstanding = maxreqs;
540		1075
541	void	1076	void
		1077	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1078	PPCODE:
		1079	{
		1080	dREQ;
		1081
		1082	req->type = EIO_WD_OPEN;
		1083	req_set_path1 (req, pathname);
		1084
		1085	REQ_SEND;
		1086	}
		1087
		1088	void
542	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1089	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
543	PROTOTYPE: $$$;$
544	PPCODE:	1090	PPCODE:
545	{	1091	{
546	dREQ;	1092	dREQ;
547		1093
548	req->type = EIO_OPEN;	1094	req->type = EIO_OPEN;
549	req->sv1 = newSVsv (pathname);	1095	req_set_path1 (req, pathname);
550	req->ptr1 = SvPVbyte_nolen (req->sv1);
551	req->int1 = flags;	1096	req->int1 = flags;
552	req->int2 = mode;	1097	req->int2 = mode;
553		1098
554	REQ_SEND;	1099	REQ_SEND;
555	}	1100	}
556		1101
557	void	1102	void
558	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1103	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
559	PROTOTYPE: $;$
560	ALIAS:	1104	ALIAS:
561	aio_fsync = EIO_FSYNC	1105	aio_fsync = EIO_FSYNC
562	aio_fdatasync = EIO_FDATASYNC	1106	aio_fdatasync = EIO_FDATASYNC
		1107	aio_syncfs = EIO_SYNCFS
563	PPCODE:	1108	PPCODE:
564	{	1109	{
		1110	int fd = s_fileno_croak (fh, 0);
565	dREQ;	1111	dREQ;
566		1112
567	req->type = ix;	1113	req->type = ix;
568	req->sv1 = newSVsv (fh);	1114	req->sv1 = newSVsv (fh);
569	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1115	req->int1 = fd;
570		1116
571	REQ_SEND (req);	1117	REQ_SEND (req);
572	}	1118	}
573		1119
574	void	1120	void
		1121	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1122	PPCODE:
		1123	{
		1124	int fd = s_fileno_croak (fh, 0);
		1125	dREQ;
		1126
		1127	req->type = EIO_SYNC_FILE_RANGE;
		1128	req->sv1 = newSVsv (fh);
		1129	req->int1 = fd;
		1130	req->offs = offset;
		1131	req->size = nbytes;
		1132	req->int2 = flags;
		1133
		1134	REQ_SEND (req);
		1135	}
		1136
		1137	void
		1138	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1139	PPCODE:
		1140	{
		1141	int fd = s_fileno_croak (fh, 0);
		1142	dREQ;
		1143
		1144	req->type = EIO_FALLOCATE;
		1145	req->sv1 = newSVsv (fh);
		1146	req->int1 = fd;
		1147	req->int2 = mode;
		1148	req->offs = offset;
		1149	req->size = len;
		1150
		1151	REQ_SEND (req);
		1152	}
		1153
		1154	void
575	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1155	aio_close (SV *fh, SV *callback=&PL_sv_undef)
576	PROTOTYPE: $;$
577	PPCODE:	1156	PPCODE:
578	{	1157	{
579	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1158	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1159	int fd = s_fileno_croak (fh, 0);
580	dREQ;	1160	dREQ;
581		1161
582	if (close_pipe < 0)	1162	if (expect_false (close_fd < 0))
583	{	1163	{
584	int pipefd [2];	1164	int pipefd [2];
585		1165
		1166	if (
		1167	#ifdef _WIN32
		1168	_pipe (pipefd, 1, _O_BINARY) < 0
		1169	#else
586	if (pipe (pipefd) < 0	1170	pipe (pipefd) < 0
587	|| close (pipefd [1]) < 0
588	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1171	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1172	#endif
		1173	|| close (pipefd [1]) < 0
		1174	)
589	abort (); /*D*/	1175	abort (); /*D*/
590		1176
591	close_pipe = pipefd [0];	1177	close_fd = pipefd [0];
592	}	1178	}
593		1179
594	req->type = EIO_DUP2;	1180	req->type = EIO_DUP2;
595	req->int1 = close_pipe;	1181	req->int1 = close_fd;
596	req->sv2 = newSVsv (fh);	1182	req->sv2 = newSVsv (fh);
597	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1183	req->int2 = fd;
598		1184
599	REQ_SEND (req);	1185	REQ_SEND (req);
600	}	1186	}
601		1187
602	void	1188	void
603	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1189	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
604	ALIAS:	1190	ALIAS:
605	aio_read = EIO_READ	1191	aio_read = EIO_READ
606	aio_write = EIO_WRITE	1192	aio_write = EIO_WRITE
607	PROTOTYPE: $$$$$;$
608	PPCODE:	1193	PPCODE:
609	{	1194	{
610	STRLEN svlen;	1195	STRLEN svlen;
		1196	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
611	char *svptr = SvPVbyte (data, svlen);	1197	char *svptr = SvPVbyte (data, svlen);
612	UV len = SvUV (length);	1198	UV len = SvUV (length);
613
614	SvUPGRADE (data, SVt_PV);
615	SvPOK_on (data);
616		1199
617	if (dataoffset < 0)	1200	if (dataoffset < 0)
618	dataoffset += svlen;	1201	dataoffset += svlen;
619		1202
620	if (dataoffset < 0 || dataoffset > svlen)	1203	if (dataoffset < 0 || dataoffset > svlen)
…		…
626	if (!SvOK (length) || len + dataoffset > svlen)	1209	if (!SvOK (length) || len + dataoffset > svlen)
627	len = svlen - dataoffset;	1210	len = svlen - dataoffset;
628	}	1211	}
629	else	1212	else
630	{	1213	{
631	/* read: grow scalar as necessary */	1214	/* read: check type and grow scalar as necessary */
		1215	SvUPGRADE (data, SVt_PV);
632	svptr = SvGROW (data, len + dataoffset + 1);	1216	svptr = SvGROW (data, len + dataoffset + 1);
633	}	1217	}
634		1218
635	if (len < 0)
636	croak ("length must not be negative");
637
638	{	1219	{
639	dREQ;	1220	dREQ;
640		1221
641	req->type = ix;	1222	req->type = ix;
642	req->sv1 = newSVsv (fh);	1223	req->sv1 = newSVsv (fh);
643	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1224	req->int1 = fd;
644	: IoOFP (sv_2io (fh)));
645	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1225	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
646	req->size = len;	1226	req->size = len;
647	req->sv2 = SvREFCNT_inc (data);	1227	req->sv2 = SvREFCNT_inc (data);
648	req->ptr2 = (char *)svptr + dataoffset;	1228	req->ptr2 = (char *)svptr + dataoffset;
649	req->stroffset = dataoffset;	1229	req->stroffset = dataoffset;
…		…
657	REQ_SEND;	1237	REQ_SEND;
658	}	1238	}
659	}	1239	}
660		1240
661	void	1241	void
662	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1242	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $$;$	1243	ALIAS:
		1244	aio_readlink = EIO_READLINK
		1245	aio_realpath = EIO_REALPATH
664	PPCODE:	1246	PPCODE:
665	{	1247	{
666	SV *data;
667	dREQ;	1248	dREQ;
668		1249
669	data = newSV (NAME_MAX);
670	SvPOK_on (data);
671
672	req->type = EIO_READLINK;	1250	req->type = ix;
673	req->sv1 = newSVsv (path);	1251	req_set_path1 (req, pathname);
674	req->ptr1 = SvPVbyte_nolen (req->sv1);
675	req->sv2 = data;
676	req->ptr2 = SvPVbyte_nolen (data);
677		1252
678	REQ_SEND;	1253	REQ_SEND;
679	}	1254	}
680		1255
681	void	1256	void
682	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1257	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
683	PROTOTYPE: $$$$;$
684	PPCODE:	1258	PPCODE:
685	{	1259	{
		1260	int ifd = s_fileno_croak (in_fh , 0);
		1261	int ofd = s_fileno_croak (out_fh, 1);
686	dREQ;	1262	dREQ;
687		1263
688	req->type = EIO_SENDFILE;	1264	req->type = EIO_SENDFILE;
689	req->sv1 = newSVsv (out_fh);	1265	req->sv1 = newSVsv (out_fh);
690	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1266	req->int1 = ofd;
691	req->sv2 = newSVsv (in_fh);	1267	req->sv2 = newSVsv (in_fh);
692	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1268	req->int2 = ifd;
693	req->offs = SvVAL64 (in_offset);	1269	req->offs = in_offset;
694	req->size = length;	1270	req->size = length;
695		1271
696	REQ_SEND;	1272	REQ_SEND;
697	}	1273	}
698		1274
699	void	1275	void
700	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1276	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
701	PROTOTYPE: $$$;$
702	PPCODE:	1277	PPCODE:
703	{	1278	{
		1279	int fd = s_fileno_croak (fh, 0);
704	dREQ;	1280	dREQ;
705		1281
706	req->type = EIO_READAHEAD;	1282	req->type = EIO_READAHEAD;
707	req->sv1 = newSVsv (fh);	1283	req->sv1 = newSVsv (fh);
708	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1284	req->int1 = fd;
709	req->offs = SvVAL64 (offset);	1285	req->offs = offset;
710	req->size = length;	1286	req->size = length;
711		1287
712	REQ_SEND;	1288	REQ_SEND;
713	}	1289	}
714		1290
715	void	1291	void
716	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1292	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
717	ALIAS:	1293	ALIAS:
718	aio_stat = EIO_STAT	1294	aio_stat = EIO_STAT
719	aio_lstat = EIO_LSTAT	1295	aio_lstat = EIO_LSTAT
		1296	aio_statvfs = EIO_STATVFS
720	PPCODE:	1297	PPCODE:
721	{	1298	{
722	dREQ;	1299	dREQ;
723		1300
724	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
725	if (!req->ptr2)
726	{
727	req_destroy (req);
728	croak ("out of memory during aio_stat statdata allocation");
729	}
730
731	req->flags |= EIO_FLAG_PTR2_FREE;
732	req->sv1 = newSVsv (fh_or_path);	1301	req->sv1 = newSVsv (fh_or_path);
733		1302	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
734	if (SvPOK (fh_or_path))
735	{
736	req->type = ix;
737	req->ptr1 = SvPVbyte_nolen (req->sv1);
738	}
739	else
740	{
741	req->type = EIO_FSTAT;
742	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
743	}
744
745	REQ_SEND;	1303	REQ_SEND;
746	}	1304	}
		1305
		1306	UV
		1307	major (UV dev)
		1308	ALIAS:
		1309	minor = 1
		1310	CODE:
		1311	RETVAL = ix ? major (dev) : minor (dev);
		1312	OUTPUT:
		1313	RETVAL
		1314
		1315	UV
		1316	makedev (UV maj, UV min)
		1317	CODE:
		1318	RETVAL = makedev (maj, min);
		1319	OUTPUT:
		1320	RETVAL
747		1321
748	void	1322	void
749	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1323	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
750	PPCODE:	1324	PPCODE:
751	{	1325	{
752	dREQ;	1326	dREQ;
753		1327
754	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1328	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
755	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1329	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
756	req->sv1 = newSVsv (fh_or_path);	1330	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
757
758	if (SvPOK (fh_or_path))
759	{
760	req->type = EIO_UTIME;
761	req->ptr1 = SvPVbyte_nolen (req->sv1);
762	}
763	else
764	{
765	req->type = EIO_FUTIME;
766	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
767	}
768		1331
769	REQ_SEND;	1332	REQ_SEND;
770	}	1333	}
771		1334
772	void	1335	void
773	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1336	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
774	PPCODE:	1337	PPCODE:
775	{	1338	{
776	dREQ;	1339	dREQ;
777		1340
778	req->sv1 = newSVsv (fh_or_path);
779	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1341	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
780		1342	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
781	if (SvPOK (fh_or_path))
782	{
783	req->type = EIO_TRUNCATE;
784	req->ptr1 = SvPVbyte_nolen (req->sv1);
785	}
786	else
787	{
788	req->type = EIO_FTRUNCATE;
789	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
790	}
791		1343
792	REQ_SEND;	1344	REQ_SEND;
793	}	1345	}
794		1346
795	void	1347	void
796	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1348	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
797	ALIAS:
798	aio_chmod = EIO_CHMOD
799	aio_fchmod = EIO_FCHMOD
800	aio_mkdir = EIO_MKDIR
801	PPCODE:	1349	PPCODE:
802	{	1350	{
803	dREQ;	1351	dREQ;
804		1352
805	req->type = ix;
806	req->int2 = mode;	1353	req->int2 = mode;
807	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
808
809	if (ix == EIO_FCHMOD)
810	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
811	else
812	req->ptr1 = SvPVbyte_nolen (req->sv1);
813		1355
814	REQ_SEND;	1356	REQ_SEND;
815	}	1357	}
816		1358
817	void	1359	void
…		…
820	{	1362	{
821	dREQ;	1363	dREQ;
822		1364
823	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1365	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
824	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1366	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
825	req->sv1 = newSVsv (fh_or_path);	1367	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
826		1368
827	if (SvPOK (fh_or_path))	1369	REQ_SEND;
828	{	1370	}
		1371
		1372	void
		1373	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1374	PPCODE:
		1375	{
		1376	dREQ;
		1377
		1378	req->type = EIO_READDIR;
		1379	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1380
		1381	if (flags & EIO_READDIR_DENTS)
		1382	req->int1 |= EIO_READDIR_CUSTOM2;
		1383
		1384	req_set_path1 (req, pathname);
		1385
		1386	REQ_SEND;
		1387	}
		1388
		1389	void
		1390	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1391	PPCODE:
		1392	{
		1393	dREQ;
		1394
829	req->type = EIO_CHOWN;	1395	req->type = EIO_MKDIR;
830	req->ptr1 = SvPVbyte_nolen (req->sv1);	1396	req->int2 = mode;
831	}	1397	req_set_path1 (req, pathname);
832	else
833	{
834	req->type = EIO_FCHOWN;
835	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
836	}
837		1398
838	REQ_SEND;	1399	REQ_SEND;
839	}	1400	}
840		1401
841	void	1402	void
…		…
847	PPCODE:	1408	PPCODE:
848	{	1409	{
849	dREQ;	1410	dREQ;
850		1411
851	req->type = ix;	1412	req->type = ix;
852	req->sv1 = newSVsv (pathname);	1413	req_set_path1 (req, pathname);
853	req->ptr1 = SvPVbyte_nolen (req->sv1);
854		1414
855	REQ_SEND;	1415	REQ_SEND;
856	}	1416	}
857		1417
858	void	1418	void
…		…
862	aio_symlink = EIO_SYMLINK	1422	aio_symlink = EIO_SYMLINK
863	aio_rename = EIO_RENAME	1423	aio_rename = EIO_RENAME
864	PPCODE:	1424	PPCODE:
865	{	1425	{
866	dREQ;	1426	dREQ;
		1427	eio_wd wd2 = 0;
867		1428
868	req->type = ix;	1429	req->type = ix;
869	req->sv1 = newSVsv (oldpath);	1430	req_set_path1 (req, oldpath);
870	req->ptr1 = SvPVbyte_nolen (req->sv1);	1431	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
871	req->sv2 = newSVsv (newpath);	1432	req->int3 = (long)wd2;
872	req->ptr2 = SvPVbyte_nolen (req->sv2);
873		1433
874	REQ_SEND;	1434	REQ_SEND;
875	}	1435	}
876		1436
877	void	1437	void
…		…
879	PPCODE:	1439	PPCODE:
880	{	1440	{
881	dREQ;	1441	dREQ;
882		1442
883	req->type = EIO_MKNOD;	1443	req->type = EIO_MKNOD;
884	req->sv1 = newSVsv (pathname);
885	req->ptr1 = SvPVbyte_nolen (req->sv1);
886	req->int2 = (mode_t)mode;	1444	req->int2 = (mode_t)mode;
887	req->offs = dev;	1445	req->offs = dev;
		1446	req_set_path1 (req, pathname);
888		1447
889	REQ_SEND;	1448	REQ_SEND;
890	}	1449	}
891		1450
892	void	1451	void
		1452	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1453	ALIAS:
		1454	aio_mtouch = EIO_MTOUCH
		1455	aio_msync = EIO_MSYNC
		1456	PPCODE:
		1457	{
		1458	STRLEN svlen;
		1459	char *svptr = SvPVbyte (data, svlen);
		1460	UV len = SvUV (length);
		1461
		1462	if (offset < 0)
		1463	offset += svlen;
		1464
		1465	if (offset < 0 || offset > svlen)
		1466	croak ("offset outside of scalar");
		1467
		1468	if (!SvOK (length) || len + offset > svlen)
		1469	len = svlen - offset;
		1470
		1471	{
		1472	dREQ;
		1473
		1474	req->type = ix;
		1475	req->sv2 = SvREFCNT_inc (data);
		1476	req->ptr2 = (char *)svptr + offset;
		1477	req->size = len;
		1478	req->int1 = flags;
		1479
		1480	REQ_SEND;
		1481	}
		1482	}
		1483
		1484	void
		1485	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1486	PPCODE:
		1487	{
		1488	STRLEN svlen;
		1489	char *svptr = SvPVbyte (data, svlen);
		1490	UV len = SvUV (length);
		1491
		1492	if (offset < 0)
		1493	offset += svlen;
		1494
		1495	if (offset < 0 || offset > svlen)
		1496	croak ("offset outside of scalar");
		1497
		1498	if (!SvOK (length) || len + offset > svlen)
		1499	len = svlen - offset;
		1500
		1501	{
		1502	dREQ;
		1503
		1504	req->type = EIO_MLOCK;
		1505	req->sv2 = SvREFCNT_inc (data);
		1506	req->ptr2 = (char *)svptr + offset;
		1507	req->size = len;
		1508
		1509	REQ_SEND;
		1510	}
		1511	}
		1512
		1513	void
		1514	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1515	PPCODE:
		1516	{
		1517	dREQ;
		1518
		1519	req->type = EIO_MLOCKALL;
		1520	req->int1 = flags;
		1521
		1522	REQ_SEND;
		1523	}
		1524
		1525	void
893	aio_busy (double delay, SV *callback=&PL_sv_undef)	1526	aio_busy (double delay, SV *callback=&PL_sv_undef)
894	PPCODE:	1527	PPCODE:
895	{	1528	{
896	dREQ;	1529	dREQ;
897		1530
…		…
901	REQ_SEND;	1534	REQ_SEND;
902	}	1535	}
903		1536
904	void	1537	void
905	aio_group (SV *callback=&PL_sv_undef)	1538	aio_group (SV *callback=&PL_sv_undef)
906	PROTOTYPE: ;$
907	PPCODE:	1539	PPCODE:
908	{	1540	{
909	dREQ;	1541	dREQ;
910		1542
911	req->type = EIO_GROUP;	1543	req->type = EIO_GROUP;
912		1544
913	eio_submit (req);	1545	req_submit (req);
914	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1546	XPUSHs (req_sv (req, aio_grp_stash));
915	}	1547	}
916		1548
917	void	1549	void
918	aio_nop (SV *callback=&PL_sv_undef)	1550	aio_nop (SV *callback=&PL_sv_undef)
919	ALIAS:	1551	ALIAS:
…		…
928	REQ_SEND;	1560	REQ_SEND;
929	}	1561	}
930		1562
931	int	1563	int
932	aioreq_pri (int pri = 0)	1564	aioreq_pri (int pri = 0)
933	PROTOTYPE: ;$
934	CODE:	1565	CODE:
935	RETVAL = next_pri - EIO_PRI_BIAS;	1566	RETVAL = next_pri;
936	if (items > 0)	1567	if (items > 0)
937	{	1568	{
938	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1569	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
939	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1570	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
940	next_pri = pri + EIO_PRI_BIAS;	1571	next_pri = pri;
941	}	1572	}
942	OUTPUT:	1573	OUTPUT:
943	RETVAL	1574	RETVAL
944		1575
945	void	1576	void
946	aioreq_nice (int nice = 0)	1577	aioreq_nice (int nice = 0)
947	CODE:	1578	CODE:
948	nice = next_pri - nice;	1579	nice = next_pri - nice;
949	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1580	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
950	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1581	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
951	next_pri = nice + EIO_PRI_BIAS;	1582	next_pri = nice;
952		1583
953	void	1584	void
954	flush ()	1585	flush ()
955	PROTOTYPE:
956	CODE:	1586	CODE:
957	while (eio_nreqs ())	1587	while (eio_nreqs ())
958	{	1588	{
959	poll_wait ();	1589	poll_wait ();
960	poll_cb ();	1590	poll_cb ();
961	}	1591	}
962		1592
963	int	1593	int
964	poll()	1594	poll ()
965	PROTOTYPE:
966	CODE:	1595	CODE:
967	poll_wait ();	1596	poll_wait ();
968	RETVAL = poll_cb ();	1597	RETVAL = poll_cb ();
969	OUTPUT:	1598	OUTPUT:
970	RETVAL	1599	RETVAL
971		1600
972	int	1601	int
973	poll_fileno()	1602	poll_fileno ()
974	PROTOTYPE:
975	CODE:	1603	CODE:
976	RETVAL = respipe [0];	1604	RETVAL = s_epipe_fd (&respipe);
977	OUTPUT:	1605	OUTPUT:
978	RETVAL	1606	RETVAL
979		1607
980	int	1608	int
981	poll_cb(...)	1609	poll_cb (...)
982	PROTOTYPE:	1610	PROTOTYPE:
983	CODE:	1611	CODE:
984	RETVAL = poll_cb ();	1612	RETVAL = poll_cb ();
985	OUTPUT:	1613	OUTPUT:
986	RETVAL	1614	RETVAL
987		1615
988	void	1616	void
989	poll_wait()	1617	poll_wait ()
990	PROTOTYPE:
991	CODE:	1618	CODE:
992	poll_wait ();	1619	poll_wait ();
993		1620
994	int	1621	int
995	nreqs()	1622	nreqs ()
996	PROTOTYPE:
997	CODE:	1623	CODE:
998	RETVAL = eio_nreqs ();	1624	RETVAL = eio_nreqs ();
999	OUTPUT:	1625	OUTPUT:
1000	RETVAL	1626	RETVAL
1001		1627
1002	int	1628	int
1003	nready()	1629	nready ()
1004	PROTOTYPE:
1005	CODE:	1630	CODE:
1006	RETVAL = eio_nready ();	1631	RETVAL = eio_nready ();
1007	OUTPUT:	1632	OUTPUT:
1008	RETVAL	1633	RETVAL
1009		1634
1010	int	1635	int
1011	npending()	1636	npending ()
1012	PROTOTYPE:
1013	CODE:	1637	CODE:
1014	RETVAL = eio_npending ();	1638	RETVAL = eio_npending ();
1015	OUTPUT:	1639	OUTPUT:
1016	RETVAL	1640	RETVAL
1017		1641
1018	int	1642	int
1019	nthreads()	1643	nthreads ()
1020	PROTOTYPE:
1021	CODE:	1644	CODE:
1022	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1645	RETVAL = eio_nthreads ();
1023	RETVAL = started;
1024	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1025	OUTPUT:	1646	OUTPUT:
1026	RETVAL	1647	RETVAL
1027		1648
		1649	int
		1650	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1651	CODE:
		1652	RETVAL = posix_fadvise (fh, offset, length, advice);
		1653	OUTPUT:
		1654	RETVAL
		1655
		1656	IV
		1657	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1658	CODE:
		1659	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1660	OUTPUT:
		1661	RETVAL
		1662
		1663	void
		1664	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1665	PPCODE:
		1666	sv_unmagic (scalar, MMAP_MAGIC);
		1667	{
		1668	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1669	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1670	if (addr == (void *)-1)
		1671	XSRETURN_NO;
		1672
		1673	sv_force_normal (scalar);
		1674
		1675	/* we store the length in mg_obj, as namlen is I32 :/ */
		1676	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1677	->mg_obj = (SV *)length;
		1678
		1679	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1680
		1681	if (!(prot & PROT_WRITE))
		1682	SvREADONLY_on (scalar);
		1683
		1684	if (SvLEN (scalar))
		1685	Safefree (SvPVX (scalar));
		1686
		1687	SvPVX (scalar) = (char *)addr;
		1688	SvCUR_set (scalar, length);
		1689	SvLEN_set (scalar, 0);
		1690	SvPOK_only (scalar);
		1691
		1692	XSRETURN_YES;
		1693	}
		1694
		1695	void
		1696	munmap (SV *scalar)
		1697	CODE:
		1698	sv_unmagic (scalar, MMAP_MAGIC);
		1699
		1700	int
		1701	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1702	ALIAS:
		1703	mprotect = 1
		1704	CODE:
		1705	{
		1706	STRLEN svlen;
		1707	void *addr = SvPVbyte (scalar, svlen);
		1708	size_t len = SvUV (length);
		1709
		1710	if (offset < 0)
		1711	offset += svlen;
		1712
		1713	if (offset < 0 || offset > svlen)
		1714	croak ("offset outside of scalar");
		1715
		1716	if (!SvOK (length) || len + offset > svlen)
		1717	len = svlen - offset;
		1718
		1719	addr = (void *)(((intptr_t)addr) + offset);
		1720	eio_page_align (&addr, &len);
		1721
		1722	switch (ix)
		1723	{
		1724	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1725	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1726	}
		1727	}
		1728	OUTPUT:
		1729	RETVAL
		1730
		1731	int
		1732	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1733	CODE:
		1734	{
		1735	STRLEN svlen;
		1736	void *addr = SvPVbyte (scalar, svlen);
		1737	size_t len = SvUV (length);
		1738
		1739	if (offset < 0)
		1740	offset += svlen;
		1741
		1742	if (offset < 0 || offset > svlen)
		1743	croak ("offset outside of scalar");
		1744
		1745	if (!SvOK (length) || len + offset > svlen)
		1746	len = svlen - offset;
		1747
		1748	addr = (void *)(((intptr_t)addr) + offset);
		1749	eio_page_align (&addr, &len);
		1750	#if _POSIX_MEMLOCK_RANGE
		1751	RETVAL = munlock (addr, len);
		1752	#else
		1753	RETVAL = ((errno = ENOSYS), -1);
		1754	#endif
		1755	}
		1756	OUTPUT:
		1757	RETVAL
		1758
		1759	int
		1760	munlockall ()
		1761	CODE:
		1762	#if _POSIX_MEMLOCK
		1763	munlockall ();
		1764	#else
		1765	RETVAL = -1;
		1766	errno = ENOSYS;
		1767	#endif
		1768	OUTPUT:
		1769	RETVAL
		1770
1028	void _on_next_submit (SV *cb)	1771	void _on_next_submit (SV *cb)
1029	CODE:	1772	CODE:
1030	SvREFCNT_dec (on_next_submit);	1773	SvREFCNT_dec (on_next_submit);
1031	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1774	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1032		1775
1033	PROTOTYPES: DISABLE	1776	PROTOTYPES: DISABLE
1034		1777
		1778	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1779
		1780	BOOT:
		1781	{
		1782	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1783	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1784	}
		1785
		1786	void
		1787	DESTROY (SV *self)
		1788	CODE:
		1789	{
		1790	aio_wd wd = SvAIO_WD (self);
		1791	#if HAVE_AT
		1792	SV *callback = &PL_sv_undef;
		1793	dREQ; /* clobbers next_pri :/ */
		1794	req->type = EIO_WD_CLOSE;
		1795	req->wd = wd;
		1796	REQ_SEND;
		1797	#else
		1798	eio_wd_close_sync (wd);
		1799	#endif
		1800	}
		1801
1035	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1802	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1036		1803
1037	void	1804	void
1038	cancel (aio_req_ornot req)	1805	cancel (aio_req_ornot req)
1039	CODE:	1806	CODE:
1040	eio_cancel (req);	1807	eio_cancel (req);
1041		1808
1042	void	1809	void
1043	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1810	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1044	CODE:	1811	PPCODE:
		1812	{
		1813	if (GIMME_V != G_VOID)
		1814	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1815
		1816	if (items > 1)
		1817	{
		1818	SV *cb_cv =get_cb (callback);
		1819
1045	SvREFCNT_dec (req->callback);	1820	SvREFCNT_dec (req->callback);
1046	req->callback = newSVsv (callback);	1821	req->callback = SvREFCNT_inc (cb_cv);
		1822	}
		1823	}
1047		1824
1048	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1825	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1049		1826
1050	void	1827	void
1051	add (aio_req grp, ...)	1828	add (aio_req grp, ...)
…		…
1083	AV *av;	1860	AV *av;
1084		1861
1085	grp->errorno = errno;	1862	grp->errorno = errno;
1086		1863
1087	av = newAV ();	1864	av = newAV ();
		1865	av_extend (av, items - 1);
1088		1866
1089	for (i = 1; i < items; ++i )	1867	for (i = 1; i < items; ++i )
1090	av_push (av, newSVsv (ST (i)));	1868	av_push (av, newSVsv (ST (i)));
1091		1869
1092	SvREFCNT_dec (grp->sv1);	1870	SvREFCNT_dec (grp->sv1);
…		…
1106	void	1884	void
1107	feed (aio_req grp, SV *callback=&PL_sv_undef)	1885	feed (aio_req grp, SV *callback=&PL_sv_undef)
1108	CODE:	1886	CODE:
1109	{	1887	{
1110	SvREFCNT_dec (grp->sv2);	1888	SvREFCNT_dec (grp->sv2);
1111	grp->sv2 = newSVsv (callback);	1889	grp->sv2 = newSVsv (callback);
		1890	grp->feed = aio_grp_feed;
1112		1891
1113	if (grp->int2 <= 0)	1892	if (grp->int2 <= 0)
1114	grp->int2 = 2;	1893	grp->int2 = 2;
1115		1894
1116	eio_grp_limit (grp, grp->int2);	1895	eio_grp_limit (grp, grp->int2);

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