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/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 1.203 by root, Thu Sep 29 23:06:24 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
		24	/* perl namespace pollution */
		25	#undef VERSION
		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
18	#ifdef _WIN32	33	#ifdef _WIN32
19		34
20	# define EIO_STRUCT_DIRENT Direntry_t
21	# undef malloc
22	# undef free
23
24	// perl overrides all those nice win32 functions	35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
25	# undef open	39	#undef open
26	# undef read	40	#undef read
27	# undef write	41	#undef write
28	# undef send	42	#undef send
29	# undef recv	43	#undef recv
30	# undef stat	44	#undef stat
		45	#undef lstat
31	# undef fstat	46	#undef fstat
32	# define lstat stat
33	# undef truncate	47	#undef truncate
34	# undef ftruncate	48	#undef ftruncate
35	# undef open	49	#undef open
		50	#undef link
36	# undef close	51	#undef close
37	# undef unlink	52	#undef unlink
		53	#undef mkdir
38	# undef rmdir	54	#undef rmdir
39	# undef rename	55	#undef rename
40	# undef lseek	56	#undef lseek
41		57	#undef opendir
42	# define chown(a,b,c) (errno = ENOSYS, -1)	58	#undef readdir
43	# define fchown(a,b,c) (errno = ENOSYS, -1)	59	#undef closedir
44	# define fchmod(a,b) (errno = ENOSYS, -1)	60	#undef chmod
45	# define symlink(a,b) (errno = ENOSYS, -1)	61	#undef fchmod
46	# define readlink(a,b,c) (errno = ENOSYS, -1)	62	#undef dup
47	# define mknod(a,b,c) (errno = ENOSYS, -1)	63	#undef dup2
48	# define truncate(a,b) (errno = ENOSYS, -1)	64	#undef abort
49	# define ftruncate(fd,o) chsize ((fd), (o))	65	#undef pipe
50	# define fsync(fd) _commit (fd)
51	# define opendir(fd) (errno = ENOSYS, 0)
52	# define readdir(fd) (errno = ENOSYS, -1)
53	# define closedir(fd) (errno = ENOSYS, -1)
54	# define mkdir(a,b) mkdir (a)
55		66
56	#else	67	#else
57		68
58	# include <sys/time.h>	69	#include <sys/time.h>
59	# include <sys/select.h>	70	#include <sys/select.h>
60	# include <unistd.h>	71	#include <unistd.h>
61	# include <utime.h>	72	#include <utime.h>
62	# include <signal.h>	73	#include <signal.h>
63	# define EIO_STRUCT_DIRENT struct dirent
64		74
65	#endif	75	#endif
66		76
67	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
68		78
69	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
70	#if IVSIZE >= 8	80	#if IVSIZE >= 8
		81	# define VAL64 IV
71	# define SvVAL64 SvIV	82	# define SvVAL64 SvIV
		83	# define newSVval64 newSViv
72	#else	84	#else
		85	# define VAL64 NV
73	# define SvVAL64 SvNV	86	# define SvVAL64 SvNV
		87	# define newSVval64 newSVnv
74	#endif	88	#endif
75		89
76	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
77	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 */
78		106
79	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
80	#define AIO_GRP_KLASS "IO::AIO::GRP"
81		108
82	#define EIO_COMMON \	109	#define EIO_REQ_MEMBERS \
83	SV *callback; \	110	SV *callback; \
84	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
85	STRLEN stroffset; \	113	STRLEN stroffset; \
86	SV *self	114	SV *self;
87		115
		116	#define EIO_NO_WRAPPERS 1
		117
		118	#include "libeio/config.h"
88	#include "libeio/eio.h"	119	#include "libeio/eio.h"
89		120
90	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
91	#define EIO_FINISH(req) req_invoke (req)	122	#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);	123	static void req_destroy (eio_req *grp);
95	#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
96		328
97	enum {	329	enum {
98	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
99	};	331	};
100		332
101	#include "libeio/eio.c"
102
103	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
104	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
105		336
		337	static SV *on_next_submit;
		338	static int next_pri = EIO_PRI_DEFAULT;
106	static int max_outstanding = 0;	339	static int max_outstanding;
107		340
108	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	341	static s_epipe respipe;
109
110	static int respipe_osf [2], respipe [2] = { -1, -1 };
111		342
112	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
113	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
114		345
115	static void want_poll (void)	346	static void
		347	want_poll (void)
116	{	348	{
117	/* write a dummy byte to the pipe so fh becomes ready */	349	/* write a dummy byte to the pipe so fh becomes ready */
118	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	350	s_epipe_signal (&respipe);
119	}	351	}
120		352
121	static void done_poll (void)	353	static void
		354	done_poll (void)
122	{	355	{
123	/* read any signals sent by the worker threads */	356	/* read any signals sent by the worker threads */
124	char buf [4];	357	s_epipe_drain (&respipe);
125	while (respipe_read (respipe [0], buf, 4) == 4)
126	;
127	}	358	}
128		359
129	/* must be called at most once */	360	/* must be called at most once */
130	static SV *req_sv (aio_req req, const char *klass)	361	static SV *
		362	req_sv (aio_req req, HV *stash)
131	{	363	{
132	if (!req->self)	364	if (!req->self)
133	{	365	{
134	req->self = (SV *)newHV ();	366	req->self = (SV *)newHV ();
135	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	367	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136	}	368	}
137		369
138	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	370	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139	}	371	}
140		372
141	static aio_req SvAIO_REQ (SV *sv)	373	static SV *
		374	newSVaio_wd (aio_wd wd)
		375	{
		376	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		377	}
		378
		379	static aio_req
		380	SvAIO_REQ (SV *sv)
142	{	381	{
143	MAGIC *mg;	382	MAGIC *mg;
144		383
145	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")))
146	croak ("object of class " AIO_REQ_KLASS " expected");	388	croak ("object of class IO::AIO::REQ expected");
147		389
148	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	390	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149		391
150	return mg ? (aio_req)mg->mg_ptr : 0;	392	return mg ? (aio_req)mg->mg_ptr : 0;
151	}	393	}
152		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
153	static void aio_grp_feed (aio_req grp)	407	aio_grp_feed (aio_req grp)
154	{	408	{
155	if (grp->sv2 && SvOK (grp->sv2))	409	if (grp->sv2 && SvOK (grp->sv2))
156	{	410	{
157	dSP;	411	dSP;
158		412
159	ENTER;	413	ENTER;
160	SAVETMPS;	414	SAVETMPS;
161	PUSHMARK (SP);	415	PUSHMARK (SP);
162	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	416	XPUSHs (req_sv (grp, aio_grp_stash));
163	PUTBACK;	417	PUTBACK;
164	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	418	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165	SPAGAIN;	419	SPAGAIN;
166	FREETMPS;	420	FREETMPS;
167	LEAVE;	421	LEAVE;
168	}	422	}
169	}	423	}
170		424
		425	static void
		426	req_submit (eio_req *req)
		427	{
		428	eio_submit (req);
		429
		430	if (expect_false (on_next_submit))
		431	{
		432	dSP;
		433	SV *cb = sv_2mortal (on_next_submit);
		434
		435	on_next_submit = 0;
		436
		437	PUSHMARK (SP);
		438	PUTBACK;
		439	call_sv (cb, G_DISCARD | G_EVAL);
		440	}
		441	}
		442
		443	static int
171	static int req_invoke (eio_req *req)	444	req_invoke (eio_req *req)
172	{	445	{
173	dSP;
174
175	if (req->flags & FLAG_SV2_RO_OFF)	446	if (req->flags & FLAG_SV2_RO_OFF)
176	SvREADONLY_off (req->sv2);	447	SvREADONLY_off (req->sv2);
177		448
178	if (!EIO_CANCELLED (req) && SvOK (req->callback))	449	if (!EIO_CANCELLED (req) && req->callback)
179	{	450	{
		451	dSP;
		452	static SV *sv_result_cache; /* caches the result integer SV */
		453	SV *sv_result;
		454
180	ENTER;	455	ENTER;
181	SAVETMPS;	456	SAVETMPS;
182	PUSHMARK (SP);	457	PUSHMARK (SP);
183	EXTEND (SP, 1);	458	EXTEND (SP, 1);
184		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
185	switch (req->type)	473	switch (req->type)
186	{	474	{
		475	case EIO_WD_OPEN:
		476	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		477	break;
		478
187	case EIO_READDIR:	479	case EIO_READDIR:
188	{	480	{
189	SV *rv = &PL_sv_undef;	481	SV *rv = &PL_sv_undef;
190		482
191	if (req->result >= 0)	483	if (req->result >= 0)
192	{	484	{
193	int i;	485	int i;
194	char *buf = req->ptr2;	486	char *names = (char *)req->ptr2;
		487	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
195	AV *av = newAV ();	488	AV *av = newAV ();
196		489
197	av_extend (av, req->result - 1);	490	av_extend (av, req->result - 1);
198		491
199	for (i = 0; i < req->result; ++i)	492	for (i = 0; i < req->result; ++i)
200	{	493	{
201	SV *sv = newSVpv (buf, 0);	494	if (req->int1 & EIO_READDIR_DENTS)
		495	{
		496	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202		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
203	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);
204	buf += SvCUR (sv) + 1;	526	names += SvCUR (name) + 1;
		527	}
205	}	528	}
206		529
207	rv = sv_2mortal (newRV_noinc ((SV *)av));	530	rv = sv_2mortal (newRV_noinc ((SV *)av));
208	}	531	}
209		532
210	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))));
211	}	537	}
212	break;	538	break;
213		539
214	case EIO_OPEN:	540	case EIO_OPEN:
215	{	541	{
…		…
221	GV *gv = (GV *)sv_newmortal ();	547	GV *gv = (GV *)sv_newmortal ();
222	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	548	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
223	char sym [64];	549	char sym [64];
224	int symlen;	550	int symlen;
225		551
226	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	552	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227	gv_init (gv, stash, sym, symlen, 0);	553	gv_init (gv, aio_stash, sym, symlen, 0);
228		554
229	symlen = snprintf (	555	symlen = snprintf (
230	sym,	556	sym,
231	sizeof (sym),	557	sizeof (sym),
232	"%s&=%d",	558	"%s&=%d",
233	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	559	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234	req->result	560	(int)req->result
235	);	561	);
236		562
237	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	563	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238	fh = (SV *)gv;	564	fh = (SV *)gv;
239	}	565	}
240		566
241	PUSHs (fh);	567	PUSHs (fh);
242	}	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
243	break;	601	break;
244		602
245	case EIO_GROUP:	603	case EIO_GROUP:
246	req->int1 = 2; /* mark group as finished */	604	req->int1 = 2; /* mark group as finished */
247		605
…		…
259	case EIO_NOP:	617	case EIO_NOP:
260	case EIO_BUSY:	618	case EIO_BUSY:
261	break;	619	break;
262		620
263	case EIO_READLINK:	621	case EIO_READLINK:
		622	case EIO_REALPATH:
264	if (req->result > 0)	623	if (req->result > 0)
265	{	624	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;	625	break;
271		626
272	case EIO_STAT:	627	case EIO_STAT:
273	case EIO_LSTAT:	628	case EIO_LSTAT:
274	case EIO_FSTAT:	629	case EIO_FSTAT:
275	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	630	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		631
276	PL_laststatval = req->result;	632	if (!(PL_laststatval = req->result))
		633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
277	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	634	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
278	PUSHs (sv_2mortal (newSViv (req->result)));	635
		636	PUSHs (sv_result);
279	break;	637	break;
280		638
281	case EIO_READ:	639	case EIO_READ:
		640	{
282	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));
283	*SvEND (req->sv2) = 0;	642	*SvEND (req->sv2) = 0;
284	PUSHs (sv_2mortal (newSViv (req->result)));	643	SvPOK_only (req->sv2);
		644	SvSETMAGIC (req->sv2);
		645	PUSHs (sv_result);
		646	}
285	break;	647	break;
286		648
287	case EIO_DUP2:	649	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
288	if (req->result > 0)	650	if (req->result > 0)
289	req->result = 0;	651	SvIV_set (sv_result, 0);
290	/* FALLTHROUGH */	652	/* FALLTHROUGH */
291		653
292	default:	654	default:
293	PUSHs (sv_2mortal (newSViv (req->result)));	655	PUSHs (sv_result);
294	break;	656	break;
295	}	657	}
296		658
297	errno = req->errorno;	659	errno = req->errorno;
298		660
299	PUTBACK;	661	PUTBACK;
300	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	662	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
301	SPAGAIN;	663	SPAGAIN;
302		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
303	FREETMPS;	670	FREETMPS;
304	LEAVE;	671	LEAVE;
305		672
306	PUTBACK;	673	PUTBACK;
307	}	674	}
308		675
309	return !!SvTRUE (ERRSV);	676	return !!SvTRUE (ERRSV);
310	}	677	}
311		678
		679	static void
312	static void req_destroy (aio_req req)	680	req_destroy (aio_req req)
313	{	681	{
314	if (req->self)	682	if (req->self)
315	{	683	{
316	sv_unmagic (req->self, PERL_MAGIC_ext);	684	sv_unmagic (req->self, PERL_MAGIC_ext);
317	SvREFCNT_dec (req->self);	685	SvREFCNT_dec (req->self);
318	}	686	}
319		687
320	SvREFCNT_dec (req->sv1);	688	SvREFCNT_dec (req->sv1);
321	SvREFCNT_dec (req->sv2);	689	SvREFCNT_dec (req->sv2);
		690	SvREFCNT_dec (req->sv3);
		691	SvREFCNT_dec (req->sv4);
322	SvREFCNT_dec (req->callback);	692	SvREFCNT_dec (req->callback);
323		693
324	Safefree (req);	694	Safefree (req);
325	}	695	}
326		696
		697	static void
327	static void req_cancel_subs (aio_req grp)	698	req_cancel_subs (aio_req grp)
328	{	699	{
329	aio_req sub;
330
331	if (grp->type != EIO_GROUP)	700	if (grp->type != EIO_GROUP)
332	return;	701	return;
333		702
334	SvREFCNT_dec (grp->sv2);	703	SvREFCNT_dec (grp->sv2);
335	grp->sv2 = 0;	704	grp->sv2 = 0;
336		705
337	eio_grp_cancel (grp);	706	eio_grp_cancel (grp);
338	}	707	}
339		708
340	#ifdef USE_SOCKETS_AS_HANDLES	709	static void ecb_cold
341	# define TO_SOCKET(x) (win32_get_osfhandle (x))	710	create_respipe (void)
342	#else	711	{
343	# define TO_SOCKET(x) (x)	712	if (s_epipe_renew (&respipe))
344	#endif	713	croak ("IO::AIO: unable to initialize result pipe");
		714	}
345		715
346	static void	716	static void
347	create_respipe (void)	717	poll_wait (void)
348	{	718	{
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))
358	#endif
359	croak ("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	}
383
384	static void poll_wait (void)
385	{
386	fd_set rfd;
387
388	while (eio_nreqs ())	719	while (eio_nreqs ())
389	{	720	{
390	int size;	721	int size;
391		722
392	X_LOCK (reslock);	723	X_LOCK (reslock);
…		…
394	X_UNLOCK (reslock);	725	X_UNLOCK (reslock);
395		726
396	if (size)	727	if (size)
397	return;	728	return;
398		729
399	maybe_start_thread ();	730	etp_maybe_start_thread ();
400		731
401	FD_ZERO (&rfd);	732	s_epipe_wait (&respipe);
402	FD_SET (respipe [0], &rfd);
403
404	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405	}	733	}
406	}	734	}
407		735
408	static int poll_cb (void)	736	static int
		737	poll_cb (void)
409	{	738	{
410	int res;	739	for (;;)
411
412	do
413	{	740	{
414	res = eio_poll ();	741	int res = eio_poll ();
415		742
416	if (res > 0)	743	if (res > 0)
417	croak (0);	744	croak (0);
		745
		746	if (!max_outstanding || max_outstanding > eio_nreqs ())
		747	return res;
		748
		749	poll_wait ();
418	}	750	}
419	while (max_outstanding && max_outstanding <= eio_nreqs ());
420
421	return res;
422	}	751	}
423		752
424	static void atfork_child (void)	753	static void ecb_cold
		754	reinit (void)
425	{	755	{
426	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;
		812	}
		813
		814	static aio_req ecb_noinline
		815	dreq (SV *callback)
		816	{
		817	SV *cb_cv;
		818	aio_req req;
		819	int req_pri = next_pri;
		820	next_pri = EIO_PRI_DEFAULT;
		821
		822	cb_cv = get_cb (callback);
		823
		824	Newz (0, req, 1, eio_req);
		825	if (!req)
		826	croak ("out of memory during eio_req allocation");
		827
		828	req->callback = SvREFCNT_inc (cb_cv);
		829	req->pri = req_pri;
		830
		831	return req;
427	}	832	}
428		833
429	#define dREQ \	834	#define dREQ \
430	aio_req req; \	835	aio_req req = dreq (callback); \
431	int req_pri = next_pri; \
432	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \
433	\
434	if (SvOK (callback) && !SvROK (callback)) \
435	croak ("callback must be undef or of reference type"); \
436	\
437	Newz (0, req, 1, eio_req); \
438	if (!req) \
439	croak ("out of memory during eio_req allocation"); \
440	\
441	req->callback = newSVsv (callback); \
442	req->pri = req_pri
443		836
444	#define REQ_SEND \	837	#define REQ_SEND \
		838	PUTBACK; \
445	eio_submit (req); \	839	req_submit (req); \
		840	SPAGAIN; \
446	\	841	\
447	if (GIMME_V != G_VOID) \	842	if (GIMME_V != G_VOID) \
448	XPUSHs (req_sv (req, AIO_REQ_KLASS));	843	XPUSHs (req_sv (req, aio_req_stash));
449		844
		845	ecb_inline void
		846	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		847	{
		848	if (expect_false (SvROK (path)))
		849	{
		850	AV *av = (AV *)SvRV (path);
		851	SV *wdob;
		852
		853	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		854	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		855
		856	path = AvARRAY (av)[1];
		857	wdob = AvARRAY (av)[0];
		858
		859	if (SvOK (wdob))
		860	{
		861	*wd = SvAIO_WD (wdob);
		862	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		863	}
		864	else
		865	*wd = EIO_INVALID_WD;
		866	}
		867
		868	*pathsv = newSVsv (path);
		869	*ptr = SvPVbyte_nolen (*pathsv);
		870	}
		871
		872	static void ecb_noinline
		873	req_set_path1 (aio_req req, SV *path)
		874	{
		875	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		876	}
		877
		878	static void ecb_noinline
		879	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		880	{
		881	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		882
		883	switch (SvTYPE (rv))
		884	{
		885	case SVt_PVIO:
		886	case SVt_PVLV:
		887	case SVt_PVGV:
		888	req->type = type_fh;
		889	req->sv1 = newSVsv (fh_or_path);
		890	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		891	break;
		892
		893	default:
		894	req->type = type_path;
		895	req_set_path1 (req, fh_or_path);
		896	break;
		897	}
		898	}
		899
		900	XS(boot_IO__AIO) ecb_cold;
		901
450	MODULE = IO::AIO PACKAGE = IO::AIO	902	MODULE = IO::AIO PACKAGE = IO::AIO
451		903
452	PROTOTYPES: ENABLE	904	PROTOTYPES: ENABLE
453		905
454	BOOT:	906	BOOT:
455	{	907	{
		908	static const struct {
		909	const char *name;
		910	IV iv;
		911	} *civ, const_iv[] = {
		912	# define const_niv(name, value) { # name, (IV) value },
		913	# define const_iv(name) { # name, (IV) name },
		914	# define const_eio(name) { # name, (IV) EIO_ ## name },
		915	const_iv (EXDEV)
		916	const_iv (ENOSYS)
		917	const_iv (O_RDONLY)
		918	const_iv (O_WRONLY)
		919	const_iv (O_RDWR)
		920	const_iv (O_CREAT)
		921	const_iv (O_TRUNC)
		922	const_iv (O_EXCL)
		923	const_iv (O_APPEND)
		924
		925	const_iv (O_ASYNC)
		926	const_iv (O_DIRECT)
		927	const_iv (O_NOATIME)
		928
		929	const_iv (O_CLOEXEC)
		930	const_iv (O_NOCTTY)
		931	const_iv (O_NOFOLLOW)
		932	const_iv (O_NONBLOCK)
		933	const_iv (O_EXEC)
		934	const_iv (O_SEARCH)
		935	const_iv (O_DIRECTORY)
		936	const_iv (O_DSYNC)
		937	const_iv (O_RSYNC)
		938	const_iv (O_SYNC)
		939	const_iv (O_TTY_INIT)
		940
		941	const_iv (S_IFIFO)
		942	const_iv (S_IFCHR)
		943	const_iv (S_IFBLK)
		944	const_iv (S_IFLNK)
		945	const_iv (S_IFREG)
		946	const_iv (S_IFDIR)
		947	const_iv (S_IFWHT)
		948	const_iv (S_IFSOCK)
		949	const_iv (S_IFMT)
		950
		951	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		952	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		953	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		954	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		955	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		956	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		957
		958	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		959	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		960	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		961	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		962	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		963
		964	const_iv (ST_RDONLY)
		965	const_iv (ST_NOSUID)
		966	const_iv (ST_NODEV)
		967	const_iv (ST_NOEXEC)
		968	const_iv (ST_SYNCHRONOUS)
		969	const_iv (ST_MANDLOCK)
		970	const_iv (ST_WRITE)
		971	const_iv (ST_APPEND)
		972	const_iv (ST_IMMUTABLE)
		973	const_iv (ST_NOATIME)
		974	const_iv (ST_NODIRATIME)
		975	const_iv (ST_RELATIME)
		976
		977	const_iv (PROT_NONE)
		978	const_iv (PROT_EXEC)
		979	const_iv (PROT_READ)
		980	const_iv (PROT_WRITE)
		981
		982	/*const_iv (MAP_FIXED)*/
		983	const_iv (MAP_PRIVATE)
		984	const_iv (MAP_SHARED)
		985	const_iv (MAP_ANONYMOUS)
		986
		987	/* linuxish */
		988	const_iv (MAP_HUGETLB)
		989	const_iv (MAP_LOCKED)
		990	const_iv (MAP_NORESERVE)
		991	const_iv (MAP_POPULATE)
		992	const_iv (MAP_NONBLOCK)
		993
		994	const_eio (MCL_FUTURE)
		995	const_eio (MCL_CURRENT)
		996
		997	const_eio (MS_ASYNC)
		998	const_eio (MS_INVALIDATE)
		999	const_eio (MS_SYNC)
		1000
		1001	const_eio (MT_MODIFY)
		1002
		1003	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		1004	const_eio (SYNC_FILE_RANGE_WRITE)
		1005	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1006
		1007	const_eio (FALLOC_FL_KEEP_SIZE)
		1008
		1009	const_eio (READDIR_DENTS)
		1010	const_eio (READDIR_DIRS_FIRST)
		1011	const_eio (READDIR_STAT_ORDER)
		1012	const_eio (READDIR_FOUND_UNKNOWN)
		1013
		1014	const_eio (DT_UNKNOWN)
		1015	const_eio (DT_FIFO)
		1016	const_eio (DT_CHR)
		1017	const_eio (DT_DIR)
		1018	const_eio (DT_BLK)
		1019	const_eio (DT_REG)
		1020	const_eio (DT_LNK)
		1021	const_eio (DT_SOCK)
		1022	const_eio (DT_WHT)
		1023	};
		1024
456	stash = gv_stashpv ("IO::AIO", 1);	1025	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1026	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1027	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1028	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
457		1029
458	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1030	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
459	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1031	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
460	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
461	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
462	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
463	#ifdef _WIN32
464	X_MUTEX_CHECK (wrklock);
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		1032
471	X_COND_CHECK (reqwait);	1033	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
472	#else
473	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
474	#endif
475		1034
476	create_respipe ();	1035	reinit ();
477
478	if (eio_init (want_poll, done_poll) < 0)
479	croak ("IO::AIO: unable to initialise eio library");
480
481	/* atfork child called in fifo order, so before eio's handler */
482	X_THREAD_ATFORK (0, 0, atfork_child);
483	}	1036	}
484		1037
485	void	1038	void
		1039	reinit ()
		1040	PROTOTYPE:
		1041
		1042	void
486	max_poll_reqs (int nreqs)	1043	max_poll_reqs (unsigned int nreqs)
487	PROTOTYPE: $	1044	PROTOTYPE: $
488	CODE:	1045	CODE:
489	eio_set_max_poll_reqs (nreqs);	1046	eio_set_max_poll_reqs (nreqs);
490		1047
491	void	1048	void
…		…
493	PROTOTYPE: $	1050	PROTOTYPE: $
494	CODE:	1051	CODE:
495	eio_set_max_poll_time (nseconds);	1052	eio_set_max_poll_time (nseconds);
496		1053
497	void	1054	void
498	min_parallel (int nthreads)	1055	min_parallel (unsigned int nthreads)
499	PROTOTYPE: $	1056	PROTOTYPE: $
500	CODE:	1057	CODE:
501	eio_set_min_parallel (nthreads);	1058	eio_set_min_parallel (nthreads);
502		1059
503	void	1060	void
504	max_parallel (int nthreads)	1061	max_parallel (unsigned int nthreads)
505	PROTOTYPE: $	1062	PROTOTYPE: $
506	CODE:	1063	CODE:
507	eio_set_max_parallel (nthreads);	1064	eio_set_max_parallel (nthreads);
508		1065
509	void	1066	void
510	max_idle (int nthreads)	1067	max_idle (unsigned int nthreads)
511	PROTOTYPE: $	1068	PROTOTYPE: $
512	CODE:	1069	CODE:
513	eio_set_max_idle (nthreads);	1070	eio_set_max_idle (nthreads);
514		1071
515	void	1072	void
		1073	idle_timeout (unsigned int seconds)
		1074	PROTOTYPE: $
		1075	CODE:
		1076	eio_set_idle_timeout (seconds);
		1077
		1078	void
516	max_outstanding (int maxreqs)	1079	max_outstanding (unsigned int maxreqs)
517	PROTOTYPE: $	1080	PROTOTYPE: $
518	CODE:	1081	CODE:
519	max_outstanding = maxreqs;	1082	max_outstanding = maxreqs;
520		1083
521	void	1084	void
		1085	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1086	PPCODE:
		1087	{
		1088	dREQ;
		1089
		1090	req->type = EIO_WD_OPEN;
		1091	req_set_path1 (req, pathname);
		1092
		1093	REQ_SEND;
		1094	}
		1095
		1096	void
522	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1097	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
523	PROTOTYPE: $$$;$
524	PPCODE:	1098	PPCODE:
525	{	1099	{
526	dREQ;	1100	dREQ;
527		1101
528	req->type = EIO_OPEN;	1102	req->type = EIO_OPEN;
529	req->sv1 = newSVsv (pathname);	1103	req_set_path1 (req, pathname);
530	req->ptr1 = SvPVbyte_nolen (req->sv1);
531	req->int1 = flags;	1104	req->int1 = flags;
532	req->int2 = mode;	1105	req->int2 = mode;
533		1106
534	REQ_SEND;	1107	REQ_SEND;
535	}	1108	}
536		1109
537	void	1110	void
538	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1111	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
539	PROTOTYPE: $;$
540	ALIAS:	1112	ALIAS:
541	aio_fsync = EIO_FSYNC	1113	aio_fsync = EIO_FSYNC
542	aio_fdatasync = EIO_FDATASYNC	1114	aio_fdatasync = EIO_FDATASYNC
		1115	aio_syncfs = EIO_SYNCFS
543	PPCODE:	1116	PPCODE:
544	{	1117	{
		1118	int fd = s_fileno_croak (fh, 0);
545	dREQ;	1119	dREQ;
546		1120
547	req->type = ix;	1121	req->type = ix;
548	req->sv1 = newSVsv (fh);	1122	req->sv1 = newSVsv (fh);
549	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1123	req->int1 = fd;
550		1124
551	REQ_SEND (req);	1125	REQ_SEND (req);
552	}	1126	}
553		1127
554	void	1128	void
		1129	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1130	PPCODE:
		1131	{
		1132	int fd = s_fileno_croak (fh, 0);
		1133	dREQ;
		1134
		1135	req->type = EIO_SYNC_FILE_RANGE;
		1136	req->sv1 = newSVsv (fh);
		1137	req->int1 = fd;
		1138	req->offs = offset;
		1139	req->size = nbytes;
		1140	req->int2 = flags;
		1141
		1142	REQ_SEND (req);
		1143	}
		1144
		1145	void
		1146	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1147	PPCODE:
		1148	{
		1149	int fd = s_fileno_croak (fh, 0);
		1150	dREQ;
		1151
		1152	req->type = EIO_FALLOCATE;
		1153	req->sv1 = newSVsv (fh);
		1154	req->int1 = fd;
		1155	req->int2 = mode;
		1156	req->offs = offset;
		1157	req->size = len;
		1158
		1159	REQ_SEND (req);
		1160	}
		1161
		1162	void
555	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1163	aio_close (SV *fh, SV *callback=&PL_sv_undef)
556	PROTOTYPE: $;$
557	PPCODE:	1164	PPCODE:
558	{	1165	{
559	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1166	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1167	int fd = s_fileno_croak (fh, 0);
560	dREQ;	1168	dREQ;
561		1169
562	if (close_pipe < 0)	1170	if (expect_false (close_fd < 0))
563	{	1171	{
564	int pipefd [2];	1172	int pipefd [2];
565		1173
		1174	if (
		1175	#ifdef _WIN32
		1176	_pipe (pipefd, 1, _O_BINARY) < 0
		1177	#else
566	if (pipe (pipefd) < 0	1178	pipe (pipefd) < 0
567	|| close (pipefd [1]) < 0
568	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1179	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1180	#endif
		1181	|| close (pipefd [1]) < 0
		1182	)
569	abort (); /*D*/	1183	abort (); /*D*/
570		1184
571	close_pipe = pipefd [0];	1185	close_fd = pipefd [0];
572	}	1186	}
573		1187
574	req->type = EIO_DUP2;	1188	req->type = EIO_DUP2;
575	req->int1 = close_pipe;	1189	req->int1 = close_fd;
576	req->sv2 = newSVsv (fh);	1190	req->sv2 = newSVsv (fh);
577	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1191	req->int2 = fd;
578		1192
579	REQ_SEND (req);	1193	REQ_SEND (req);
580	}	1194	}
581		1195
582	void	1196	void
583	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1197	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
584	ALIAS:	1198	ALIAS:
585	aio_read = EIO_READ	1199	aio_read = EIO_READ
586	aio_write = EIO_WRITE	1200	aio_write = EIO_WRITE
587	PROTOTYPE: $$$$$;$
588	PPCODE:	1201	PPCODE:
589	{	1202	{
590	STRLEN svlen;	1203	STRLEN svlen;
		1204	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
591	char *svptr = SvPVbyte (data, svlen);	1205	char *svptr = SvPVbyte (data, svlen);
592	UV len = SvUV (length);	1206	UV len = SvUV (length);
593
594	SvUPGRADE (data, SVt_PV);
595	SvPOK_on (data);
596		1207
597	if (dataoffset < 0)	1208	if (dataoffset < 0)
598	dataoffset += svlen;	1209	dataoffset += svlen;
599		1210
600	if (dataoffset < 0 || dataoffset > svlen)	1211	if (dataoffset < 0 || dataoffset > svlen)
…		…
606	if (!SvOK (length) || len + dataoffset > svlen)	1217	if (!SvOK (length) || len + dataoffset > svlen)
607	len = svlen - dataoffset;	1218	len = svlen - dataoffset;
608	}	1219	}
609	else	1220	else
610	{	1221	{
611	/* read: grow scalar as necessary */	1222	/* read: check type and grow scalar as necessary */
		1223	SvUPGRADE (data, SVt_PV);
612	svptr = SvGROW (data, len + dataoffset + 1);	1224	svptr = SvGROW (data, len + dataoffset + 1);
613	}	1225	}
614		1226
615	if (len < 0)
616	croak ("length must not be negative");
617
618	{	1227	{
619	dREQ;	1228	dREQ;
620		1229
621	req->type = ix;	1230	req->type = ix;
622	req->sv1 = newSVsv (fh);	1231	req->sv1 = newSVsv (fh);
623	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1232	req->int1 = fd;
624	: IoOFP (sv_2io (fh)));
625	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1233	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
626	req->size = len;	1234	req->size = len;
627	req->sv2 = SvREFCNT_inc (data);	1235	req->sv2 = SvREFCNT_inc (data);
628	req->ptr2 = (char *)svptr + dataoffset;	1236	req->ptr2 = (char *)svptr + dataoffset;
629	req->stroffset = dataoffset;	1237	req->stroffset = dataoffset;
…		…
637	REQ_SEND;	1245	REQ_SEND;
638	}	1246	}
639	}	1247	}
640		1248
641	void	1249	void
642	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1250	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
643	PROTOTYPE: $$;$	1251	ALIAS:
		1252	aio_readlink = EIO_READLINK
		1253	aio_realpath = EIO_REALPATH
644	PPCODE:	1254	PPCODE:
645	{	1255	{
646	SV *data;
647	dREQ;	1256	dREQ;
648		1257
649	data = newSV (NAME_MAX);
650	SvPOK_on (data);
651
652	req->type = EIO_READLINK;	1258	req->type = ix;
653	req->sv1 = newSVsv (path);	1259	req_set_path1 (req, pathname);
654	req->ptr1 = SvPVbyte_nolen (req->sv1);
655	req->sv2 = data;
656	req->ptr2 = SvPVbyte_nolen (data);
657		1260
658	REQ_SEND;	1261	REQ_SEND;
659	}	1262	}
660		1263
661	void	1264	void
662	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1265	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $$$$;$
664	PPCODE:	1266	PPCODE:
665	{	1267	{
		1268	int ifd = s_fileno_croak (in_fh , 0);
		1269	int ofd = s_fileno_croak (out_fh, 1);
666	dREQ;	1270	dREQ;
667		1271
668	req->type = EIO_SENDFILE;	1272	req->type = EIO_SENDFILE;
669	req->sv1 = newSVsv (out_fh);	1273	req->sv1 = newSVsv (out_fh);
670	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1274	req->int1 = ofd;
671	req->sv2 = newSVsv (in_fh);	1275	req->sv2 = newSVsv (in_fh);
672	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1276	req->int2 = ifd;
673	req->offs = SvVAL64 (in_offset);	1277	req->offs = in_offset;
674	req->size = length;	1278	req->size = length;
675		1279
676	REQ_SEND;	1280	REQ_SEND;
677	}	1281	}
678		1282
679	void	1283	void
680	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1284	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
681	PROTOTYPE: $$$;$
682	PPCODE:	1285	PPCODE:
683	{	1286	{
		1287	int fd = s_fileno_croak (fh, 0);
684	dREQ;	1288	dREQ;
685		1289
686	req->type = EIO_READAHEAD;	1290	req->type = EIO_READAHEAD;
687	req->sv1 = newSVsv (fh);	1291	req->sv1 = newSVsv (fh);
688	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1292	req->int1 = fd;
689	req->offs = SvVAL64 (offset);	1293	req->offs = offset;
690	req->size = length;	1294	req->size = length;
691		1295
692	REQ_SEND;	1296	REQ_SEND;
693	}	1297	}
694		1298
695	void	1299	void
696	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1300	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
697	ALIAS:	1301	ALIAS:
698	aio_stat = EIO_STAT	1302	aio_stat = EIO_STAT
699	aio_lstat = EIO_LSTAT	1303	aio_lstat = EIO_LSTAT
		1304	aio_statvfs = EIO_STATVFS
700	PPCODE:	1305	PPCODE:
701	{	1306	{
702	dREQ;	1307	dREQ;
703		1308
704	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));	1309	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
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);
713
714	if (SvPOK (fh_or_path))
715	{
716	req->type = ix;
717	req->ptr1 = SvPVbyte_nolen (req->sv1);
718	}
719	else
720	{
721	req->type = EIO_FSTAT;
722	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
723	}
724		1310
725	REQ_SEND;	1311	REQ_SEND;
726	}	1312	}
		1313
		1314	UV
		1315	major (UV dev)
		1316	ALIAS:
		1317	minor = 1
		1318	CODE:
		1319	RETVAL = ix ? major (dev) : minor (dev);
		1320	OUTPUT:
		1321	RETVAL
		1322
		1323	UV
		1324	makedev (UV maj, UV min)
		1325	CODE:
		1326	RETVAL = makedev (maj, min);
		1327	OUTPUT:
		1328	RETVAL
727		1329
728	void	1330	void
729	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1331	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
730	PPCODE:	1332	PPCODE:
731	{	1333	{
732	dREQ;	1334	dREQ;
733		1335
734	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1336	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
735	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1337	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
736	req->sv1 = newSVsv (fh_or_path);	1338	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
737
738	if (SvPOK (fh_or_path))
739	{
740	req->type = EIO_UTIME;
741	req->ptr1 = SvPVbyte_nolen (req->sv1);
742	}
743	else
744	{
745	req->type = EIO_FUTIME;
746	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
747	}
748		1339
749	REQ_SEND;	1340	REQ_SEND;
750	}	1341	}
751		1342
752	void	1343	void
753	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1344	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
754	PPCODE:	1345	PPCODE:
755	{	1346	{
756	dREQ;	1347	dREQ;
757		1348
758	req->sv1 = newSVsv (fh_or_path);
759	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1349	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
760		1350	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
761	if (SvPOK (fh_or_path))
762	{
763	req->type = EIO_TRUNCATE;
764	req->ptr1 = SvPVbyte_nolen (req->sv1);
765	}
766	else
767	{
768	req->type = EIO_FTRUNCATE;
769	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
770	}
771		1351
772	REQ_SEND;	1352	REQ_SEND;
773	}	1353	}
774		1354
775	void	1355	void
776	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1356	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
777	ALIAS:
778	aio_chmod = EIO_CHMOD
779	aio_fchmod = EIO_FCHMOD
780	aio_mkdir = EIO_MKDIR
781	PPCODE:	1357	PPCODE:
782	{	1358	{
783	dREQ;	1359	dREQ;
784		1360
785	req->type = ix;
786	req->int2 = mode;	1361	req->int2 = mode;
787	req->sv1 = newSVsv (fh_or_path);	1362	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
788
789	if (ix == EIO_FCHMOD)
790	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
791	else
792	req->ptr1 = SvPVbyte_nolen (req->sv1);
793		1363
794	REQ_SEND;	1364	REQ_SEND;
795	}	1365	}
796		1366
797	void	1367	void
…		…
800	{	1370	{
801	dREQ;	1371	dREQ;
802		1372
803	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1373	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
804	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1374	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
805	req->sv1 = newSVsv (fh_or_path);	1375	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
806		1376
807	if (SvPOK (fh_or_path))	1377	REQ_SEND;
808	{	1378	}
		1379
		1380	void
		1381	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1382	PPCODE:
		1383	{
		1384	dREQ;
		1385
		1386	req->type = EIO_READDIR;
		1387	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1388
		1389	if (flags & EIO_READDIR_DENTS)
		1390	req->int1 |= EIO_READDIR_CUSTOM2;
		1391
		1392	req_set_path1 (req, pathname);
		1393
		1394	REQ_SEND;
		1395	}
		1396
		1397	void
		1398	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1399	PPCODE:
		1400	{
		1401	dREQ;
		1402
809	req->type = EIO_CHOWN;	1403	req->type = EIO_MKDIR;
810	req->ptr1 = SvPVbyte_nolen (req->sv1);	1404	req->int2 = mode;
811	}	1405	req_set_path1 (req, pathname);
812	else
813	{
814	req->type = EIO_FCHOWN;
815	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816	}
817		1406
818	REQ_SEND;	1407	REQ_SEND;
819	}	1408	}
820		1409
821	void	1410	void
…		…
827	PPCODE:	1416	PPCODE:
828	{	1417	{
829	dREQ;	1418	dREQ;
830		1419
831	req->type = ix;	1420	req->type = ix;
832	req->sv1 = newSVsv (pathname);	1421	req_set_path1 (req, pathname);
833	req->ptr1 = SvPVbyte_nolen (req->sv1);
834		1422
835	REQ_SEND;	1423	REQ_SEND;
836	}	1424	}
837		1425
838	void	1426	void
…		…
842	aio_symlink = EIO_SYMLINK	1430	aio_symlink = EIO_SYMLINK
843	aio_rename = EIO_RENAME	1431	aio_rename = EIO_RENAME
844	PPCODE:	1432	PPCODE:
845	{	1433	{
846	dREQ;	1434	dREQ;
		1435	eio_wd wd2 = 0;
847		1436
848	req->type = ix;	1437	req->type = ix;
849	req->sv1 = newSVsv (oldpath);	1438	req_set_path1 (req, oldpath);
850	req->ptr1 = SvPVbyte_nolen (req->sv1);	1439	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
851	req->sv2 = newSVsv (newpath);	1440	req->int3 = (long)wd2;
852	req->ptr2 = SvPVbyte_nolen (req->sv2);
853		1441
854	REQ_SEND;	1442	REQ_SEND;
855	}	1443	}
856		1444
857	void	1445	void
…		…
859	PPCODE:	1447	PPCODE:
860	{	1448	{
861	dREQ;	1449	dREQ;
862		1450
863	req->type = EIO_MKNOD;	1451	req->type = EIO_MKNOD;
864	req->sv1 = newSVsv (pathname);
865	req->ptr1 = SvPVbyte_nolen (req->sv1);
866	req->int2 = (mode_t)mode;	1452	req->int2 = (mode_t)mode;
867	req->offs = dev;	1453	req->offs = dev;
		1454	req_set_path1 (req, pathname);
868		1455
869	REQ_SEND;	1456	REQ_SEND;
870	}	1457	}
871		1458
872	void	1459	void
		1460	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1461	ALIAS:
		1462	aio_mtouch = EIO_MTOUCH
		1463	aio_msync = EIO_MSYNC
		1464	PPCODE:
		1465	{
		1466	STRLEN svlen;
		1467	char *svptr = SvPVbyte (data, svlen);
		1468	UV len = SvUV (length);
		1469
		1470	if (offset < 0)
		1471	offset += svlen;
		1472
		1473	if (offset < 0 || offset > svlen)
		1474	croak ("offset outside of scalar");
		1475
		1476	if (!SvOK (length) || len + offset > svlen)
		1477	len = svlen - offset;
		1478
		1479	{
		1480	dREQ;
		1481
		1482	req->type = ix;
		1483	req->sv2 = SvREFCNT_inc (data);
		1484	req->ptr2 = (char *)svptr + offset;
		1485	req->size = len;
		1486	req->int1 = flags;
		1487
		1488	REQ_SEND;
		1489	}
		1490	}
		1491
		1492	void
		1493	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1494	PPCODE:
		1495	{
		1496	STRLEN svlen;
		1497	char *svptr = SvPVbyte (data, svlen);
		1498	UV len = SvUV (length);
		1499
		1500	if (offset < 0)
		1501	offset += svlen;
		1502
		1503	if (offset < 0 || offset > svlen)
		1504	croak ("offset outside of scalar");
		1505
		1506	if (!SvOK (length) || len + offset > svlen)
		1507	len = svlen - offset;
		1508
		1509	{
		1510	dREQ;
		1511
		1512	req->type = EIO_MLOCK;
		1513	req->sv2 = SvREFCNT_inc (data);
		1514	req->ptr2 = (char *)svptr + offset;
		1515	req->size = len;
		1516
		1517	REQ_SEND;
		1518	}
		1519	}
		1520
		1521	void
		1522	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1523	PPCODE:
		1524	{
		1525	dREQ;
		1526
		1527	req->type = EIO_MLOCKALL;
		1528	req->int1 = flags;
		1529
		1530	REQ_SEND;
		1531	}
		1532
		1533	void
873	aio_busy (double delay, SV *callback=&PL_sv_undef)	1534	aio_busy (double delay, SV *callback=&PL_sv_undef)
874	PPCODE:	1535	PPCODE:
875	{	1536	{
876	dREQ;	1537	dREQ;
877		1538
…		…
881	REQ_SEND;	1542	REQ_SEND;
882	}	1543	}
883		1544
884	void	1545	void
885	aio_group (SV *callback=&PL_sv_undef)	1546	aio_group (SV *callback=&PL_sv_undef)
886	PROTOTYPE: ;$
887	PPCODE:	1547	PPCODE:
888	{	1548	{
889	dREQ;	1549	dREQ;
890		1550
891	req->type = EIO_GROUP;	1551	req->type = EIO_GROUP;
892		1552
893	eio_submit (req);	1553	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1554	XPUSHs (req_sv (req, aio_grp_stash));
895	}	1555	}
896		1556
897	void	1557	void
898	aio_nop (SV *callback=&PL_sv_undef)	1558	aio_nop (SV *callback=&PL_sv_undef)
899	ALIAS:	1559	ALIAS:
…		…
908	REQ_SEND;	1568	REQ_SEND;
909	}	1569	}
910		1570
911	int	1571	int
912	aioreq_pri (int pri = 0)	1572	aioreq_pri (int pri = 0)
913	PROTOTYPE: ;$
914	CODE:	1573	CODE:
915	RETVAL = next_pri - EIO_PRI_BIAS;	1574	RETVAL = next_pri;
916	if (items > 0)	1575	if (items > 0)
917	{	1576	{
918	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1577	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
919	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1578	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
920	next_pri = pri + EIO_PRI_BIAS;	1579	next_pri = pri;
921	}	1580	}
922	OUTPUT:	1581	OUTPUT:
923	RETVAL	1582	RETVAL
924		1583
925	void	1584	void
926	aioreq_nice (int nice = 0)	1585	aioreq_nice (int nice = 0)
927	CODE:	1586	CODE:
928	nice = next_pri - nice;	1587	nice = next_pri - nice;
929	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1588	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
930	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1589	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
931	next_pri = nice + EIO_PRI_BIAS;	1590	next_pri = nice;
932		1591
933	void	1592	void
934	flush ()	1593	flush ()
935	PROTOTYPE:
936	CODE:	1594	CODE:
937	while (eio_nreqs ())	1595	while (eio_nreqs ())
938	{	1596	{
939	poll_wait ();	1597	poll_wait ();
940	poll_cb ();	1598	poll_cb ();
941	}	1599	}
942		1600
943	int	1601	int
944	poll()	1602	poll ()
945	PROTOTYPE:
946	CODE:	1603	CODE:
947	poll_wait ();	1604	poll_wait ();
948	RETVAL = poll_cb ();	1605	RETVAL = poll_cb ();
949	OUTPUT:	1606	OUTPUT:
950	RETVAL	1607	RETVAL
951		1608
952	int	1609	int
953	poll_fileno()	1610	poll_fileno ()
954	PROTOTYPE:
955	CODE:	1611	CODE:
956	RETVAL = respipe [0];	1612	RETVAL = s_epipe_fd (&respipe);
957	OUTPUT:	1613	OUTPUT:
958	RETVAL	1614	RETVAL
959		1615
960	int	1616	int
961	poll_cb(...)	1617	poll_cb (...)
962	PROTOTYPE:	1618	PROTOTYPE:
963	CODE:	1619	CODE:
964	RETVAL = poll_cb ();	1620	RETVAL = poll_cb ();
965	OUTPUT:	1621	OUTPUT:
966	RETVAL	1622	RETVAL
967		1623
968	void	1624	void
969	poll_wait()	1625	poll_wait ()
970	PROTOTYPE:
971	CODE:	1626	CODE:
972	poll_wait ();	1627	poll_wait ();
973		1628
974	int	1629	int
975	nreqs()	1630	nreqs ()
976	PROTOTYPE:
977	CODE:	1631	CODE:
978	RETVAL = eio_nreqs ();	1632	RETVAL = eio_nreqs ();
979	OUTPUT:	1633	OUTPUT:
980	RETVAL	1634	RETVAL
981		1635
982	int	1636	int
983	nready()	1637	nready ()
984	PROTOTYPE:
985	CODE:	1638	CODE:
986	RETVAL = eio_nready ();	1639	RETVAL = eio_nready ();
987	OUTPUT:	1640	OUTPUT:
988	RETVAL	1641	RETVAL
989		1642
990	int	1643	int
991	npending()	1644	npending ()
992	PROTOTYPE:
993	CODE:	1645	CODE:
994	RETVAL = eio_npending ();	1646	RETVAL = eio_npending ();
995	OUTPUT:	1647	OUTPUT:
996	RETVAL	1648	RETVAL
997		1649
998	int	1650	int
999	nthreads()	1651	nthreads ()
1000	PROTOTYPE:
1001	CODE:	1652	CODE:
1002	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1653	RETVAL = eio_nthreads ();
1003	RETVAL = started;
1004	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1005	OUTPUT:	1654	OUTPUT:
1006	RETVAL	1655	RETVAL
1007		1656
		1657	int
		1658	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1659	CODE:
		1660	RETVAL = posix_fadvise (fh, offset, length, advice);
		1661	OUTPUT:
		1662	RETVAL
		1663
		1664	IV
		1665	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1666	CODE:
		1667	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1668	OUTPUT:
		1669	RETVAL
		1670
		1671	void
		1672	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1673	PPCODE:
		1674	sv_unmagic (scalar, MMAP_MAGIC);
		1675	{
		1676	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1677	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1678	if (addr == (void *)-1)
		1679	XSRETURN_NO;
		1680
		1681	sv_force_normal (scalar);
		1682
		1683	/* we store the length in mg_obj, as namlen is I32 :/ */
		1684	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1685	->mg_obj = (SV *)length;
		1686
		1687	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1688
		1689	if (!(prot & PROT_WRITE))
		1690	SvREADONLY_on (scalar);
		1691
		1692	if (SvLEN (scalar))
		1693	Safefree (SvPVX (scalar));
		1694
		1695	SvPVX (scalar) = (char *)addr;
		1696	SvCUR_set (scalar, length);
		1697	SvLEN_set (scalar, 0);
		1698	SvPOK_only (scalar);
		1699
		1700	XSRETURN_YES;
		1701	}
		1702
		1703	void
		1704	munmap (SV *scalar)
		1705	CODE:
		1706	sv_unmagic (scalar, MMAP_MAGIC);
		1707
		1708	int
		1709	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1710	ALIAS:
		1711	mprotect = 1
		1712	CODE:
		1713	{
		1714	STRLEN svlen;
		1715	void *addr = SvPVbyte (scalar, svlen);
		1716	size_t len = SvUV (length);
		1717
		1718	if (offset < 0)
		1719	offset += svlen;
		1720
		1721	if (offset < 0 || offset > svlen)
		1722	croak ("offset outside of scalar");
		1723
		1724	if (!SvOK (length) || len + offset > svlen)
		1725	len = svlen - offset;
		1726
		1727	addr = (void *)(((intptr_t)addr) + offset);
		1728	eio_page_align (&addr, &len);
		1729
		1730	switch (ix)
		1731	{
		1732	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1733	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1734	}
		1735	}
		1736	OUTPUT:
		1737	RETVAL
		1738
		1739	int
		1740	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1741	CODE:
		1742	{
		1743	STRLEN svlen;
		1744	void *addr = SvPVbyte (scalar, svlen);
		1745	size_t len = SvUV (length);
		1746
		1747	if (offset < 0)
		1748	offset += svlen;
		1749
		1750	if (offset < 0 || offset > svlen)
		1751	croak ("offset outside of scalar");
		1752
		1753	if (!SvOK (length) || len + offset > svlen)
		1754	len = svlen - offset;
		1755
		1756	addr = (void *)(((intptr_t)addr) + offset);
		1757	eio_page_align (&addr, &len);
		1758	#if _POSIX_MEMLOCK_RANGE
		1759	RETVAL = munlock (addr, len);
		1760	#else
		1761	RETVAL = ((errno = ENOSYS), -1);
		1762	#endif
		1763	}
		1764	OUTPUT:
		1765	RETVAL
		1766
		1767	int
		1768	munlockall ()
		1769	CODE:
		1770	#if _POSIX_MEMLOCK
		1771	munlockall ();
		1772	#else
		1773	RETVAL = -1;
		1774	errno = ENOSYS;
		1775	#endif
		1776	OUTPUT:
		1777	RETVAL
		1778
		1779	void _on_next_submit (SV *cb)
		1780	CODE:
		1781	SvREFCNT_dec (on_next_submit);
		1782	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1783
1008	PROTOTYPES: DISABLE	1784	PROTOTYPES: DISABLE
		1785
		1786	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1787
		1788	BOOT:
		1789	{
		1790	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1791	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1792	}
		1793
		1794	void
		1795	DESTROY (SV *self)
		1796	CODE:
		1797	{
		1798	aio_wd wd = SvAIO_WD (self);
		1799	#if HAVE_AT
		1800	{
		1801	SV *callback = &PL_sv_undef;
		1802	dREQ; /* clobbers next_pri :/ */
		1803	next_pri = req->pri; /* restore next_pri */
		1804	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1805	req->type = EIO_WD_CLOSE;
		1806	req->wd = wd;
		1807	REQ_SEND;
		1808	}
		1809	#else
		1810	eio_wd_close_sync (wd);
		1811	#endif
		1812	}
1009		1813
1010	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1814	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1011		1815
1012	void	1816	void
1013	cancel (aio_req_ornot req)	1817	cancel (aio_req_ornot req)
1014	CODE:	1818	CODE:
1015	eio_cancel (req);	1819	eio_cancel (req);
1016		1820
1017	void	1821	void
1018	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1822	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1019	CODE:	1823	PPCODE:
		1824	{
		1825	if (GIMME_V != G_VOID)
		1826	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1827
		1828	if (items > 1)
		1829	{
		1830	SV *cb_cv =get_cb (callback);
		1831
1020	SvREFCNT_dec (req->callback);	1832	SvREFCNT_dec (req->callback);
1021	req->callback = newSVsv (callback);	1833	req->callback = SvREFCNT_inc (cb_cv);
		1834	}
		1835	}
1022		1836
1023	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1837	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1024		1838
1025	void	1839	void
1026	add (aio_req grp, ...)	1840	add (aio_req grp, ...)
…		…
1058	AV *av;	1872	AV *av;
1059		1873
1060	grp->errorno = errno;	1874	grp->errorno = errno;
1061		1875
1062	av = newAV ();	1876	av = newAV ();
		1877	av_extend (av, items - 1);
1063		1878
1064	for (i = 1; i < items; ++i )	1879	for (i = 1; i < items; ++i )
1065	av_push (av, newSVsv (ST (i)));	1880	av_push (av, newSVsv (ST (i)));
1066		1881
1067	SvREFCNT_dec (grp->sv1);	1882	SvREFCNT_dec (grp->sv1);
…		…
1081	void	1896	void
1082	feed (aio_req grp, SV *callback=&PL_sv_undef)	1897	feed (aio_req grp, SV *callback=&PL_sv_undef)
1083	CODE:	1898	CODE:
1084	{	1899	{
1085	SvREFCNT_dec (grp->sv2);	1900	SvREFCNT_dec (grp->sv2);
1086	grp->sv2 = newSVsv (callback);	1901	grp->sv2 = newSVsv (callback);
		1902	grp->feed = aio_grp_feed;
1087		1903
1088	if (grp->int2 <= 0)	1904	if (grp->int2 <= 0)
1089	grp->int2 = 2;	1905	grp->int2 = 2;
1090		1906
1091	eio_grp_limit (grp, grp->int2);	1907	eio_grp_limit (grp, grp->int2);

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