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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 1.197 by root, Tue Sep 27 01:43:03 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 want_poll (void)
116	{	347	{
117	/* write a dummy byte to the pipe so fh becomes ready */	348	/* write a dummy byte to the pipe so fh becomes ready */
118	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	349	s_epipe_signal (&respipe);
119	}	350	}
120		351
121	static void done_poll (void)	352	static void done_poll (void)
122	{	353	{
123	/* read any signals sent by the worker threads */	354	/* read any signals sent by the worker threads */
124	char buf [4];	355	s_epipe_drain (&respipe);
125	while (respipe_read (respipe [0], buf, 4) == 4)
126	;
127	}	356	}
128		357
129	/* must be called at most once */	358	/* must be called at most once */
130	static SV *req_sv (aio_req req, const char *klass)	359	static SV *req_sv (aio_req req, HV *stash)
131	{	360	{
132	if (!req->self)	361	if (!req->self)
133	{	362	{
134	req->self = (SV *)newHV ();	363	req->self = (SV *)newHV ();
135	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136	}	365	}
137		366
138	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
		368	}
		369
		370	static SV *
		371	newSVaio_wd (aio_wd wd)
		372	{
		373	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);
139	}	374	}
140		375
141	static aio_req SvAIO_REQ (SV *sv)	376	static aio_req SvAIO_REQ (SV *sv)
142	{	377	{
143	MAGIC *mg;	378	MAGIC *mg;
144		379
145	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	380	if (!SvROK (sv)
		381	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		382	&& SvSTASH (SvRV (sv)) != aio_req_stash
		383	&& !sv_derived_from (sv, "IO::AIO::REQ")))
146	croak ("object of class " AIO_REQ_KLASS " expected");	384	croak ("object of class IO::AIO::REQ expected");
147		385
148	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149		387
150	return mg ? (aio_req)mg->mg_ptr : 0;	388	return mg ? (aio_req)mg->mg_ptr : 0;
		389	}
		390
		391	static aio_wd SvAIO_WD (SV *sv)
		392	{
		393	if (!SvROK (sv)
		394	|| SvSTASH (SvRV (sv)) != aio_wd_stash
		395	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
		396	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		397
		398	return (aio_wd)(long)SvIVX (SvRV (sv));
151	}	399	}
152		400
153	static void aio_grp_feed (aio_req grp)	401	static void aio_grp_feed (aio_req grp)
154	{	402	{
155	if (grp->sv2 && SvOK (grp->sv2))	403	if (grp->sv2 && SvOK (grp->sv2))
…		…
157	dSP;	405	dSP;
158		406
159	ENTER;	407	ENTER;
160	SAVETMPS;	408	SAVETMPS;
161	PUSHMARK (SP);	409	PUSHMARK (SP);
162	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	410	XPUSHs (req_sv (grp, aio_grp_stash));
163	PUTBACK;	411	PUTBACK;
164	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	412	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165	SPAGAIN;	413	SPAGAIN;
166	FREETMPS;	414	FREETMPS;
167	LEAVE;	415	LEAVE;
168	}	416	}
169	}	417	}
170		418
		419	static void req_submit (eio_req *req)
		420	{
		421	eio_submit (req);
		422
		423	if (expect_false (on_next_submit))
		424	{
		425	dSP;
		426	SV *cb = sv_2mortal (on_next_submit);
		427
		428	on_next_submit = 0;
		429
		430	PUSHMARK (SP);
		431	PUTBACK;
		432	call_sv (cb, G_DISCARD | G_EVAL);
		433	}
		434	}
		435
171	static int req_invoke (eio_req *req)	436	static int req_invoke (eio_req *req)
172	{	437	{
173	dSP;
174
175	if (req->flags & FLAG_SV2_RO_OFF)	438	if (req->flags & FLAG_SV2_RO_OFF)
176	SvREADONLY_off (req->sv2);	439	SvREADONLY_off (req->sv2);
177		440
178	if (!EIO_CANCELLED (req) && SvOK (req->callback))	441	if (!EIO_CANCELLED (req) && req->callback)
179	{	442	{
		443	dSP;
		444	static SV *sv_result_cache; /* caches the result integer SV */
		445	SV *sv_result;
		446
180	ENTER;	447	ENTER;
181	SAVETMPS;	448	SAVETMPS;
182	PUSHMARK (SP);	449	PUSHMARK (SP);
183	EXTEND (SP, 1);	450	EXTEND (SP, 1);
184		451
		452	/* do not recreate the result IV from scratch each time */
		453	if (expect_true (sv_result_cache))
		454	{
		455	sv_result = sv_result_cache; sv_result_cache = 0;
		456	SvIV_set (sv_result, req->result);
		457	SvIOK_only (sv_result);
		458	}
		459	else
		460	{
		461	sv_result = newSViv (req->result);
		462	SvREADONLY_on (sv_result);
		463	}
		464
185	switch (req->type)	465	switch (req->type)
186	{	466	{
		467	case EIO_WD_OPEN:
		468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		469	break;
		470
187	case EIO_READDIR:	471	case EIO_READDIR:
188	{	472	{
189	SV *rv = &PL_sv_undef;	473	SV *rv = &PL_sv_undef;
190		474
191	if (req->result >= 0)	475	if (req->result >= 0)
192	{	476	{
193	int i;	477	int i;
194	char *buf = req->ptr2;	478	char *names = (char *)req->ptr2;
		479	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
195	AV *av = newAV ();	480	AV *av = newAV ();
196		481
197	av_extend (av, req->result - 1);	482	av_extend (av, req->result - 1);
198		483
199	for (i = 0; i < req->result; ++i)	484	for (i = 0; i < req->result; ++i)
200	{	485	{
201	SV *sv = newSVpv (buf, 0);	486	if (req->int1 & EIO_READDIR_DENTS)
		487	{
		488	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
202		489
		490	if (req->int1 & EIO_READDIR_CUSTOM2)
		491	{
		492	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		493	AV *avent = newAV ();
		494
		495	av_extend (avent, 2);
		496
		497	if (!sv_type [ent->type])
		498	{
		499	sv_type [ent->type] = newSViv (ent->type);
		500	SvREADONLY_on (sv_type [ent->type]);
		501	}
		502
		503	av_store (avent, 0, namesv);
		504	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		505	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		506
		507	av_store (av, i, newRV_noinc ((SV *)avent));
		508	}
		509	else
203	av_store (av, i, sv);	510	av_store (av, i, namesv);
		511
		512	++ent;
		513	}
		514	else
		515	{
		516	SV *name = newSVpv (names, 0);
		517	av_store (av, i, name);
204	buf += SvCUR (sv) + 1;	518	names += SvCUR (name) + 1;
		519	}
205	}	520	}
206		521
207	rv = sv_2mortal (newRV_noinc ((SV *)av));	522	rv = sv_2mortal (newRV_noinc ((SV *)av));
208	}	523	}
209		524
210	PUSHs (rv);	525	PUSHs (rv);
		526
		527	if (req->int1 & EIO_READDIR_CUSTOM1)
		528	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
211	}	529	}
212	break;	530	break;
213		531
214	case EIO_OPEN:	532	case EIO_OPEN:
215	{	533	{
…		…
221	GV *gv = (GV *)sv_newmortal ();	539	GV *gv = (GV *)sv_newmortal ();
222	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	540	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
223	char sym [64];	541	char sym [64];
224	int symlen;	542	int symlen;
225		543
226	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	544	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
227	gv_init (gv, stash, sym, symlen, 0);	545	gv_init (gv, aio_stash, sym, symlen, 0);
228		546
229	symlen = snprintf (	547	symlen = snprintf (
230	sym,	548	sym,
231	sizeof (sym),	549	sizeof (sym),
232	"%s&=%d",	550	"%s&=%d",
233	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	551	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
234	req->result	552	(int)req->result
235	);	553	);
236		554
237	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	555	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
238	fh = (SV *)gv;	556	fh = (SV *)gv;
239	}	557	}
240		558
241	PUSHs (fh);	559	PUSHs (fh);
242	}	560	}
		561	break;
		562
		563	case EIO_STATVFS:
		564	case EIO_FSTATVFS:
		565	{
		566	SV *rv = &PL_sv_undef;
		567
		568	#ifndef _WIN32
		569	if (req->result >= 0)
		570	{
		571	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		572	HV *hv = newHV ();
		573
		574	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		575
		576	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		577	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		578	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		579	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		580	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		581	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		582	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		583	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		584	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		585	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		586	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		587	}
		588	#endif
		589
		590	PUSHs (rv);
		591	}
		592
243	break;	593	break;
244		594
245	case EIO_GROUP:	595	case EIO_GROUP:
246	req->int1 = 2; /* mark group as finished */	596	req->int1 = 2; /* mark group as finished */
247		597
…		…
259	case EIO_NOP:	609	case EIO_NOP:
260	case EIO_BUSY:	610	case EIO_BUSY:
261	break;	611	break;
262		612
263	case EIO_READLINK:	613	case EIO_READLINK:
		614	case EIO_REALPATH:
264	if (req->result > 0)	615	if (req->result > 0)
265	{	616	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;	617	break;
271		618
272	case EIO_STAT:	619	case EIO_STAT:
273	case EIO_LSTAT:	620	case EIO_LSTAT:
274	case EIO_FSTAT:	621	case EIO_FSTAT:
275	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		623
276	PL_laststatval = req->result;	624	if (!(PL_laststatval = req->result))
		625	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
277	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	626	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
278	PUSHs (sv_2mortal (newSViv (req->result)));	627
		628	PUSHs (sv_result);
279	break;	629	break;
280		630
281	case EIO_READ:	631	case EIO_READ:
		632	{
282	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	633	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
283	*SvEND (req->sv2) = 0;	634	*SvEND (req->sv2) = 0;
284	PUSHs (sv_2mortal (newSViv (req->result)));	635	SvPOK_only (req->sv2);
		636	SvSETMAGIC (req->sv2);
		637	PUSHs (sv_result);
		638	}
285	break;	639	break;
286		640
287	case EIO_DUP2:	641	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
288	if (req->result > 0)	642	if (req->result > 0)
289	req->result = 0;	643	SvIV_set (sv_result, 0);
290	/* FALLTHROUGH */	644	/* FALLTHROUGH */
291		645
292	default:	646	default:
293	PUSHs (sv_2mortal (newSViv (req->result)));	647	PUSHs (sv_result);
294	break;	648	break;
295	}	649	}
296		650
297	errno = req->errorno;	651	errno = req->errorno;
298		652
299	PUTBACK;	653	PUTBACK;
300	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	654	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
301	SPAGAIN;	655	SPAGAIN;
		656
		657	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		658	SvREFCNT_dec (sv_result);
		659	else
		660	sv_result_cache = sv_result;
302		661
303	FREETMPS;	662	FREETMPS;
304	LEAVE;	663	LEAVE;
305		664
306	PUTBACK;	665	PUTBACK;
…		…
317	SvREFCNT_dec (req->self);	676	SvREFCNT_dec (req->self);
318	}	677	}
319		678
320	SvREFCNT_dec (req->sv1);	679	SvREFCNT_dec (req->sv1);
321	SvREFCNT_dec (req->sv2);	680	SvREFCNT_dec (req->sv2);
		681	SvREFCNT_dec (req->sv3);
		682	SvREFCNT_dec (req->sv4);
322	SvREFCNT_dec (req->callback);	683	SvREFCNT_dec (req->callback);
323		684
324	Safefree (req);	685	Safefree (req);
325	}	686	}
326		687
327	static void req_cancel_subs (aio_req grp)	688	static void req_cancel_subs (aio_req grp)
328	{	689	{
329	aio_req sub;
330
331	if (grp->type != EIO_GROUP)	690	if (grp->type != EIO_GROUP)
332	return;	691	return;
333		692
334	SvREFCNT_dec (grp->sv2);	693	SvREFCNT_dec (grp->sv2);
335	grp->sv2 = 0;	694	grp->sv2 = 0;
336		695
337	eio_grp_cancel (grp);	696	eio_grp_cancel (grp);
338	}	697	}
339		698
340	#ifdef USE_SOCKETS_AS_HANDLES
341	# define TO_SOCKET(x) (win32_get_osfhandle (x))
342	#else
343	# define TO_SOCKET(x) (x)
344	#endif
345
346	static void
347	create_respipe (void)	699	static void create_respipe (void)
348	{	700	{
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))	701	if (s_epipe_renew (&respipe))
358	#endif
359	croak ("unable to initialize result pipe");	702	croak ("IO::AIO: unable to initialize result pipe");
360
361	if (old_readfd >= 0)
362	{
363	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
364	croak ("unable to initialize result pipe(2)");
365
366	respipe_close (respipe [0]);
367	respipe [0] = old_readfd;
368	}
369
370	#ifdef _WIN32
371	int arg = 1;
372	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
373	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
374	#else
375	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
376	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
377	#endif
378	croak ("unable to initialize result pipe(3)");
379
380	respipe_osf [0] = TO_SOCKET (respipe [0]);
381	respipe_osf [1] = TO_SOCKET (respipe [1]);
382	}	703	}
383		704
384	static void poll_wait (void)	705	static void poll_wait (void)
385	{	706	{
386	fd_set rfd;
387
388	while (eio_nreqs ())	707	while (eio_nreqs ())
389	{	708	{
390	int size;	709	int size;
391		710
392	X_LOCK (reslock);	711	X_LOCK (reslock);
…		…
394	X_UNLOCK (reslock);	713	X_UNLOCK (reslock);
395		714
396	if (size)	715	if (size)
397	return;	716	return;
398		717
399	maybe_start_thread ();	718	etp_maybe_start_thread ();
400		719
401	FD_ZERO (&rfd);	720	s_epipe_wait (&respipe);
402	FD_SET (respipe [0], &rfd);
403
404	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
405	}	721	}
406	}	722	}
407		723
408	static int poll_cb (void)	724	static int poll_cb (void)
409	{	725	{
410	int res;	726	for (;;)
411
412	do
413	{	727	{
414	res = eio_poll ();	728	int res = eio_poll ();
415		729
416	if (res > 0)	730	if (res > 0)
417	croak (0);	731	croak (0);
		732
		733	if (!max_outstanding || max_outstanding > eio_nreqs ())
		734	return res;
		735
		736	poll_wait ();
418	}	737	}
419	while (max_outstanding && max_outstanding <= eio_nreqs ());
420
421	return res;
422	}	738	}
423		739
424	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
425	{	742	{
426	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
		747	}
		748
		749	/*****************************************************************************/
		750
		751	#if !_POSIX_MAPPED_FILES
		752	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		753	# define munmap(addr,length) (errno = ENOSYS, -1)
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		758	# define PROT_NONE 0
		759	# define PROT_WRITE 0
		760	# define MAP_PRIVATE 0
		761	# define MAP_SHARED 0
		762	# define MAP_FIXED 0
		763	#endif
		764
		765	#define MMAP_MAGIC PERL_MAGIC_ext
		766
		767	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		768	{
		769	int old_errno = errno;
		770	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		771	errno = old_errno;
		772
		773	mg->mg_obj = 0; /* just in case */
		774
		775	SvREADONLY_off (sv);
		776
		777	if (SvPVX (sv) != mg->mg_ptr)
		778	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		779
		780	SvCUR_set (sv, 0);
		781	SvPVX (sv) = 0;
		782	SvOK_off (sv);
		783
		784	return 0;
		785	}
		786
		787	static MGVTBL mmap_vtbl = {
		788	0, 0, 0, 0, mmap_free
		789	};
		790
		791	/*****************************************************************************/
		792
		793	static SV * get_cb (SV *cb_sv)
		794	{
		795	SvGETMAGIC (cb_sv);
		796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
427	}	797	}
428		798
429	#define dREQ \	799	#define dREQ \
		800	SV *cb_cv; \
430	aio_req req; \	801	aio_req req; \
431	int req_pri = next_pri; \	802	int req_pri = next_pri; \
432	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	803	next_pri = EIO_PRI_DEFAULT; \
433	\	804	\
434	if (SvOK (callback) && !SvROK (callback)) \	805	cb_cv = get_cb (callback); \
435	croak ("callback must be undef or of reference type"); \
436	\	806	\
437	Newz (0, req, 1, eio_req); \	807	Newz (0, req, 1, eio_req); \
438	if (!req) \	808	if (!req) \
439	croak ("out of memory during eio_req allocation"); \	809	croak ("out of memory during eio_req allocation"); \
440	\	810	\
441	req->callback = newSVsv (callback); \	811	req->callback = SvREFCNT_inc (cb_cv); \
442	req->pri = req_pri	812	req->pri = req_pri
443		813
444	#define REQ_SEND \	814	#define REQ_SEND \
		815	PUTBACK; \
445	eio_submit (req); \	816	req_submit (req); \
		817	SPAGAIN; \
446	\	818	\
447	if (GIMME_V != G_VOID) \	819	if (GIMME_V != G_VOID) \
448	XPUSHs (req_sv (req, AIO_REQ_KLASS));	820	XPUSHs (req_sv (req, aio_req_stash));
449		821
		822	static void
		823	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		824	{
		825	if (SvROK (path))
		826	{
		827	AV *av = (AV *)SvRV (path);
		828	SV *wdob;
		829
		830	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		831	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		832
		833	path = AvARRAY (av)[1];
		834	wdob = AvARRAY (av)[0];
		835
		836	if (SvOK (wdob))
		837	{
		838	*wd = SvAIO_WD (wdob);
		839	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		840	}
		841	else
		842	*wd = EIO_INVALID_WD;
		843	}
		844
		845	*pathsv = newSVsv (path);
		846	*ptr = SvPVbyte_nolen (*pathsv);
		847	}
		848
		849	static void
		850	req_set_path1 (aio_req req, SV *path)
		851	{
		852	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		853	}
		854
		855	static void
		856	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		857	{
		858	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		859
		860	switch (SvTYPE (rv))
		861	{
		862	case SVt_PVIO:
		863	case SVt_PVLV:
		864	case SVt_PVGV:
		865	req->type = type_fh;
		866	req->sv1 = newSVsv (fh_or_path);
		867	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		868	break;
		869
		870	default:
		871	req->type = type_path;
		872	req_set_path1 (req, fh_or_path);
		873	break;
		874	}
		875
		876	}
		877
450	MODULE = IO::AIO PACKAGE = IO::AIO	878	MODULE = IO::AIO PACKAGE = IO::AIO
451		879
452	PROTOTYPES: ENABLE	880	PROTOTYPES: ENABLE
453		881
454	BOOT:	882	BOOT:
455	{	883	{
		884	static const struct {
		885	const char *name;
		886	IV iv;
		887	} *civ, const_iv[] = {
		888	# define const_niv(name, value) { # name, (IV) value },
		889	# define const_iv(name) { # name, (IV) name },
		890	# define const_eio(name) { # name, (IV) EIO_ ## name },
		891	const_iv (EXDEV)
		892	const_iv (ENOSYS)
		893	const_iv (O_RDONLY)
		894	const_iv (O_WRONLY)
		895	const_iv (O_RDWR)
		896	const_iv (O_CREAT)
		897	const_iv (O_TRUNC)
		898	const_iv (O_EXCL)
		899	const_iv (O_APPEND)
		900
		901	const_iv (O_ASYNC)
		902	const_iv (O_DIRECT)
		903	const_iv (O_NOATIME)
		904
		905	const_iv (O_CLOEXEC)
		906	const_iv (O_NOCTTY)
		907	const_iv (O_NOFOLLOW)
		908	const_iv (O_NONBLOCK)
		909	const_iv (O_EXEC)
		910	const_iv (O_SEARCH)
		911	const_iv (O_DIRECTORY)
		912	const_iv (O_DSYNC)
		913	const_iv (O_RSYNC)
		914	const_iv (O_SYNC)
		915	const_iv (O_TTY_INIT)
		916
		917	const_iv (S_IFIFO)
		918	const_iv (S_IFCHR)
		919	const_iv (S_IFBLK)
		920	const_iv (S_IFLNK)
		921	const_iv (S_IFREG)
		922	const_iv (S_IFDIR)
		923	const_iv (S_IFWHT)
		924	const_iv (S_IFSOCK)
		925	const_iv (S_IFMT)
		926
		927	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		928	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		929	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		930	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		931	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		932	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		933
		934	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		935	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		936	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		937	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		938	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		939
		940	const_iv (ST_RDONLY)
		941	const_iv (ST_NOSUID)
		942	const_iv (ST_NODEV)
		943	const_iv (ST_NOEXEC)
		944	const_iv (ST_SYNCHRONOUS)
		945	const_iv (ST_MANDLOCK)
		946	const_iv (ST_WRITE)
		947	const_iv (ST_APPEND)
		948	const_iv (ST_IMMUTABLE)
		949	const_iv (ST_NOATIME)
		950	const_iv (ST_NODIRATIME)
		951	const_iv (ST_RELATIME)
		952
		953	const_iv (PROT_NONE)
		954	const_iv (PROT_EXEC)
		955	const_iv (PROT_READ)
		956	const_iv (PROT_WRITE)
		957
		958	/*const_iv (MAP_FIXED)*/
		959	const_iv (MAP_PRIVATE)
		960	const_iv (MAP_SHARED)
		961	const_iv (MAP_ANONYMOUS)
		962
		963	/* linuxish */
		964	const_iv (MAP_HUGETLB)
		965	const_iv (MAP_LOCKED)
		966	const_iv (MAP_NORESERVE)
		967	const_iv (MAP_POPULATE)
		968	const_iv (MAP_NONBLOCK)
		969
		970	const_eio (MCL_FUTURE)
		971	const_eio (MCL_CURRENT)
		972
		973	const_eio (MS_ASYNC)
		974	const_eio (MS_INVALIDATE)
		975	const_eio (MS_SYNC)
		976
		977	const_eio (MT_MODIFY)
		978
		979	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		980	const_eio (SYNC_FILE_RANGE_WRITE)
		981	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		982
		983	const_eio (FALLOC_FL_KEEP_SIZE)
		984
		985	const_eio (READDIR_DENTS)
		986	const_eio (READDIR_DIRS_FIRST)
		987	const_eio (READDIR_STAT_ORDER)
		988	const_eio (READDIR_FOUND_UNKNOWN)
		989
		990	const_eio (DT_UNKNOWN)
		991	const_eio (DT_FIFO)
		992	const_eio (DT_CHR)
		993	const_eio (DT_DIR)
		994	const_eio (DT_BLK)
		995	const_eio (DT_REG)
		996	const_eio (DT_LNK)
		997	const_eio (DT_SOCK)
		998	const_eio (DT_WHT)
		999	};
		1000
456	stash = gv_stashpv ("IO::AIO", 1);	1001	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1002	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1003	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1004	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
457		1005
458	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1006	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
459	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1007	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		1008
471	X_COND_CHECK (reqwait);	1009	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
472	#else
473	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
474	#endif
475		1010
476	create_respipe ();	1011	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	}	1012	}
484		1013
485	void	1014	void
		1015	reinit ()
		1016	PROTOTYPE:
		1017
		1018	void
486	max_poll_reqs (int nreqs)	1019	max_poll_reqs (unsigned int nreqs)
487	PROTOTYPE: $	1020	PROTOTYPE: $
488	CODE:	1021	CODE:
489	eio_set_max_poll_reqs (nreqs);	1022	eio_set_max_poll_reqs (nreqs);
490		1023
491	void	1024	void
…		…
493	PROTOTYPE: $	1026	PROTOTYPE: $
494	CODE:	1027	CODE:
495	eio_set_max_poll_time (nseconds);	1028	eio_set_max_poll_time (nseconds);
496		1029
497	void	1030	void
498	min_parallel (int nthreads)	1031	min_parallel (unsigned int nthreads)
499	PROTOTYPE: $	1032	PROTOTYPE: $
500	CODE:	1033	CODE:
501	eio_set_min_parallel (nthreads);	1034	eio_set_min_parallel (nthreads);
502		1035
503	void	1036	void
504	max_parallel (int nthreads)	1037	max_parallel (unsigned int nthreads)
505	PROTOTYPE: $	1038	PROTOTYPE: $
506	CODE:	1039	CODE:
507	eio_set_max_parallel (nthreads);	1040	eio_set_max_parallel (nthreads);
508		1041
509	void	1042	void
510	max_idle (int nthreads)	1043	max_idle (unsigned int nthreads)
511	PROTOTYPE: $	1044	PROTOTYPE: $
512	CODE:	1045	CODE:
513	eio_set_max_idle (nthreads);	1046	eio_set_max_idle (nthreads);
514		1047
515	void	1048	void
		1049	idle_timeout (unsigned int seconds)
		1050	PROTOTYPE: $
		1051	CODE:
		1052	eio_set_idle_timeout (seconds);
		1053
		1054	void
516	max_outstanding (int maxreqs)	1055	max_outstanding (unsigned int maxreqs)
517	PROTOTYPE: $	1056	PROTOTYPE: $
518	CODE:	1057	CODE:
519	max_outstanding = maxreqs;	1058	max_outstanding = maxreqs;
520		1059
521	void	1060	void
		1061	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1062	PPCODE:
		1063	{
		1064	dREQ;
		1065
		1066	req->type = EIO_WD_OPEN;
		1067	req_set_path1 (req, pathname);
		1068
		1069	REQ_SEND;
		1070	}
		1071
		1072	void
522	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1073	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
523	PROTOTYPE: $$$;$
524	PPCODE:	1074	PPCODE:
525	{	1075	{
526	dREQ;	1076	dREQ;
527		1077
528	req->type = EIO_OPEN;	1078	req->type = EIO_OPEN;
529	req->sv1 = newSVsv (pathname);	1079	req_set_path1 (req, pathname);
530	req->ptr1 = SvPVbyte_nolen (req->sv1);
531	req->int1 = flags;	1080	req->int1 = flags;
532	req->int2 = mode;	1081	req->int2 = mode;
533		1082
534	REQ_SEND;	1083	REQ_SEND;
535	}	1084	}
536		1085
537	void	1086	void
538	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1087	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
539	PROTOTYPE: $;$
540	ALIAS:	1088	ALIAS:
541	aio_fsync = EIO_FSYNC	1089	aio_fsync = EIO_FSYNC
542	aio_fdatasync = EIO_FDATASYNC	1090	aio_fdatasync = EIO_FDATASYNC
		1091	aio_syncfs = EIO_SYNCFS
543	PPCODE:	1092	PPCODE:
544	{	1093	{
		1094	int fd = s_fileno_croak (fh, 0);
545	dREQ;	1095	dREQ;
546		1096
547	req->type = ix;	1097	req->type = ix;
548	req->sv1 = newSVsv (fh);	1098	req->sv1 = newSVsv (fh);
549	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1099	req->int1 = fd;
550		1100
551	REQ_SEND (req);	1101	REQ_SEND (req);
552	}	1102	}
553		1103
554	void	1104	void
		1105	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1106	PPCODE:
		1107	{
		1108	int fd = s_fileno_croak (fh, 0);
		1109	dREQ;
		1110
		1111	req->type = EIO_SYNC_FILE_RANGE;
		1112	req->sv1 = newSVsv (fh);
		1113	req->int1 = fd;
		1114	req->offs = offset;
		1115	req->size = nbytes;
		1116	req->int2 = flags;
		1117
		1118	REQ_SEND (req);
		1119	}
		1120
		1121	void
		1122	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1123	PPCODE:
		1124	{
		1125	int fd = s_fileno_croak (fh, 0);
		1126	dREQ;
		1127
		1128	req->type = EIO_FALLOCATE;
		1129	req->sv1 = newSVsv (fh);
		1130	req->int1 = fd;
		1131	req->int2 = mode;
		1132	req->offs = offset;
		1133	req->size = len;
		1134
		1135	REQ_SEND (req);
		1136	}
		1137
		1138	void
555	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1139	aio_close (SV *fh, SV *callback=&PL_sv_undef)
556	PROTOTYPE: $;$
557	PPCODE:	1140	PPCODE:
558	{	1141	{
559	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1142	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1143	int fd = s_fileno_croak (fh, 0);
560	dREQ;	1144	dREQ;
561		1145
562	if (close_pipe < 0)	1146	if (expect_false (close_fd < 0))
563	{	1147	{
564	int pipefd [2];	1148	int pipefd [2];
565		1149
		1150	if (
		1151	#ifdef _WIN32
		1152	_pipe (pipefd, 1, _O_BINARY) < 0
		1153	#else
566	if (pipe (pipefd) < 0	1154	pipe (pipefd) < 0
567	|| close (pipefd [1]) < 0
568	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1155	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1156	#endif
		1157	|| close (pipefd [1]) < 0
		1158	)
569	abort (); /*D*/	1159	abort (); /*D*/
570		1160
571	close_pipe = pipefd [0];	1161	close_fd = pipefd [0];
572	}	1162	}
573		1163
574	req->type = EIO_DUP2;	1164	req->type = EIO_DUP2;
575	req->int1 = close_pipe;	1165	req->int1 = close_fd;
576	req->sv2 = newSVsv (fh);	1166	req->sv2 = newSVsv (fh);
577	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1167	req->int2 = fd;
578		1168
579	REQ_SEND (req);	1169	REQ_SEND (req);
580	}	1170	}
581		1171
582	void	1172	void
583	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1173	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
584	ALIAS:	1174	ALIAS:
585	aio_read = EIO_READ	1175	aio_read = EIO_READ
586	aio_write = EIO_WRITE	1176	aio_write = EIO_WRITE
587	PROTOTYPE: $$$$$;$
588	PPCODE:	1177	PPCODE:
589	{	1178	{
590	STRLEN svlen;	1179	STRLEN svlen;
		1180	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
591	char *svptr = SvPVbyte (data, svlen);	1181	char *svptr = SvPVbyte (data, svlen);
592	UV len = SvUV (length);	1182	UV len = SvUV (length);
593
594	SvUPGRADE (data, SVt_PV);
595	SvPOK_on (data);
596		1183
597	if (dataoffset < 0)	1184	if (dataoffset < 0)
598	dataoffset += svlen;	1185	dataoffset += svlen;
599		1186
600	if (dataoffset < 0 || dataoffset > svlen)	1187	if (dataoffset < 0 || dataoffset > svlen)
…		…
606	if (!SvOK (length) || len + dataoffset > svlen)	1193	if (!SvOK (length) || len + dataoffset > svlen)
607	len = svlen - dataoffset;	1194	len = svlen - dataoffset;
608	}	1195	}
609	else	1196	else
610	{	1197	{
611	/* read: grow scalar as necessary */	1198	/* read: check type and grow scalar as necessary */
		1199	SvUPGRADE (data, SVt_PV);
612	svptr = SvGROW (data, len + dataoffset + 1);	1200	svptr = SvGROW (data, len + dataoffset + 1);
613	}	1201	}
614		1202
615	if (len < 0)
616	croak ("length must not be negative");
617
618	{	1203	{
619	dREQ;	1204	dREQ;
620		1205
621	req->type = ix;	1206	req->type = ix;
622	req->sv1 = newSVsv (fh);	1207	req->sv1 = newSVsv (fh);
623	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1208	req->int1 = fd;
624	: IoOFP (sv_2io (fh)));
625	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1209	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
626	req->size = len;	1210	req->size = len;
627	req->sv2 = SvREFCNT_inc (data);	1211	req->sv2 = SvREFCNT_inc (data);
628	req->ptr2 = (char *)svptr + dataoffset;	1212	req->ptr2 = (char *)svptr + dataoffset;
629	req->stroffset = dataoffset;	1213	req->stroffset = dataoffset;
…		…
637	REQ_SEND;	1221	REQ_SEND;
638	}	1222	}
639	}	1223	}
640		1224
641	void	1225	void
642	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1226	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
643	PROTOTYPE: $$;$	1227	ALIAS:
		1228	aio_readlink = EIO_READLINK
		1229	aio_realpath = EIO_REALPATH
644	PPCODE:	1230	PPCODE:
645	{	1231	{
646	SV *data;
647	dREQ;	1232	dREQ;
648		1233
649	data = newSV (NAME_MAX);
650	SvPOK_on (data);
651
652	req->type = EIO_READLINK;	1234	req->type = ix;
653	req->sv1 = newSVsv (path);	1235	req_set_path1 (req, pathname);
654	req->ptr1 = SvPVbyte_nolen (req->sv1);
655	req->sv2 = data;
656	req->ptr2 = SvPVbyte_nolen (data);
657		1236
658	REQ_SEND;	1237	REQ_SEND;
659	}	1238	}
660		1239
661	void	1240	void
662	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1241	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $$$$;$
664	PPCODE:	1242	PPCODE:
665	{	1243	{
		1244	int ifd = s_fileno_croak (in_fh , 0);
		1245	int ofd = s_fileno_croak (out_fh, 1);
666	dREQ;	1246	dREQ;
667		1247
668	req->type = EIO_SENDFILE;	1248	req->type = EIO_SENDFILE;
669	req->sv1 = newSVsv (out_fh);	1249	req->sv1 = newSVsv (out_fh);
670	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1250	req->int1 = ofd;
671	req->sv2 = newSVsv (in_fh);	1251	req->sv2 = newSVsv (in_fh);
672	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1252	req->int2 = ifd;
673	req->offs = SvVAL64 (in_offset);	1253	req->offs = in_offset;
674	req->size = length;	1254	req->size = length;
675		1255
676	REQ_SEND;	1256	REQ_SEND;
677	}	1257	}
678		1258
679	void	1259	void
680	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1260	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
681	PROTOTYPE: $$$;$
682	PPCODE:	1261	PPCODE:
683	{	1262	{
		1263	int fd = s_fileno_croak (fh, 0);
684	dREQ;	1264	dREQ;
685		1265
686	req->type = EIO_READAHEAD;	1266	req->type = EIO_READAHEAD;
687	req->sv1 = newSVsv (fh);	1267	req->sv1 = newSVsv (fh);
688	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1268	req->int1 = fd;
689	req->offs = SvVAL64 (offset);	1269	req->offs = offset;
690	req->size = length;	1270	req->size = length;
691		1271
692	REQ_SEND;	1272	REQ_SEND;
693	}	1273	}
694		1274
695	void	1275	void
696	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1276	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
697	ALIAS:	1277	ALIAS:
698	aio_stat = EIO_STAT	1278	aio_stat = EIO_STAT
699	aio_lstat = EIO_LSTAT	1279	aio_lstat = EIO_LSTAT
		1280	aio_statvfs = EIO_STATVFS
700	PPCODE:	1281	PPCODE:
701	{	1282	{
702	dREQ;	1283	dREQ;
703		1284
704	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
705	if (!req->ptr2)
706	{
707	req_destroy (req);
708	croak ("out of memory during aio_stat statdata allocation");
709	}
710
711	req->flags |= EIO_FLAG_PTR2_FREE;
712	req->sv1 = newSVsv (fh_or_path);	1285	req->sv1 = newSVsv (fh_or_path);
713		1286	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
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
725	REQ_SEND;	1287	REQ_SEND;
726	}	1288	}
		1289
		1290	UV
		1291	major (UV dev)
		1292	ALIAS:
		1293	minor = 1
		1294	CODE:
		1295	RETVAL = ix ? major (dev) : minor (dev);
		1296	OUTPUT:
		1297	RETVAL
		1298
		1299	UV
		1300	makedev (UV maj, UV min)
		1301	CODE:
		1302	RETVAL = makedev (maj, min);
		1303	OUTPUT:
		1304	RETVAL
727		1305
728	void	1306	void
729	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1307	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
730	PPCODE:	1308	PPCODE:
731	{	1309	{
732	dREQ;	1310	dREQ;
733		1311
734	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1312	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
735	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1313	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
736	req->sv1 = newSVsv (fh_or_path);	1314	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		1315
749	REQ_SEND;	1316	REQ_SEND;
750	}	1317	}
751		1318
752	void	1319	void
753	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1320	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
754	PPCODE:	1321	PPCODE:
755	{	1322	{
756	dREQ;	1323	dREQ;
757		1324
758	req->sv1 = newSVsv (fh_or_path);
759	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1325	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
760		1326	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		1327
772	REQ_SEND;	1328	REQ_SEND;
773	}	1329	}
774		1330
775	void	1331	void
776	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1332	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
777	ALIAS:	1333	ALIAS:
778	aio_chmod = EIO_CHMOD	1334	aio_chmod = EIO_CHMOD
779	aio_fchmod = EIO_FCHMOD
780	aio_mkdir = EIO_MKDIR	1335	aio_mkdir = EIO_MKDIR
781	PPCODE:	1336	PPCODE:
782	{	1337	{
783	dREQ;	1338	dREQ;
784		1339
785	req->type = ix;
786	req->int2 = mode;	1340	req->int2 = mode;
787	req->sv1 = newSVsv (fh_or_path);	1341	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		1342
794	REQ_SEND;	1343	REQ_SEND;
795	}	1344	}
796		1345
797	void	1346	void
…		…
800	{	1349	{
801	dREQ;	1350	dREQ;
802		1351
803	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1352	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
804	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1353	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
805	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
806
807	if (SvPOK (fh_or_path))
808	{
809	req->type = EIO_CHOWN;
810	req->ptr1 = SvPVbyte_nolen (req->sv1);
811	}
812	else
813	{
814	req->type = EIO_FCHOWN;
815	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816	}
817		1355
818	REQ_SEND;	1356	REQ_SEND;
		1357	}
		1358
		1359	void
		1360	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1361	PPCODE:
		1362	{
		1363	dREQ;
		1364
		1365	req->type = EIO_READDIR;
		1366	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1367
		1368	if (flags & EIO_READDIR_DENTS)
		1369	req->int1 |= EIO_READDIR_CUSTOM2;
		1370
		1371	req_set_path1 (req, pathname);
		1372
		1373	REQ_SEND;
819	}	1374	}
820		1375
821	void	1376	void
822	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1377	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
823	ALIAS:	1378	ALIAS:
…		…
827	PPCODE:	1382	PPCODE:
828	{	1383	{
829	dREQ;	1384	dREQ;
830		1385
831	req->type = ix;	1386	req->type = ix;
832	req->sv1 = newSVsv (pathname);	1387	req_set_path1 (req, pathname);
833	req->ptr1 = SvPVbyte_nolen (req->sv1);
834		1388
835	REQ_SEND;	1389	REQ_SEND;
836	}	1390	}
837		1391
838	void	1392	void
…		…
842	aio_symlink = EIO_SYMLINK	1396	aio_symlink = EIO_SYMLINK
843	aio_rename = EIO_RENAME	1397	aio_rename = EIO_RENAME
844	PPCODE:	1398	PPCODE:
845	{	1399	{
846	dREQ;	1400	dREQ;
		1401	eio_wd wd2;
847		1402
848	req->type = ix;	1403	req->type = ix;
849	req->sv1 = newSVsv (oldpath);	1404	req_set_path1 (req, oldpath);
850	req->ptr1 = SvPVbyte_nolen (req->sv1);	1405	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
851	req->sv2 = newSVsv (newpath);	1406	req->int3 = (long)wd2;
852	req->ptr2 = SvPVbyte_nolen (req->sv2);
853		1407
854	REQ_SEND;	1408	REQ_SEND;
855	}	1409	}
856		1410
857	void	1411	void
…		…
859	PPCODE:	1413	PPCODE:
860	{	1414	{
861	dREQ;	1415	dREQ;
862		1416
863	req->type = EIO_MKNOD;	1417	req->type = EIO_MKNOD;
864	req->sv1 = newSVsv (pathname);
865	req->ptr1 = SvPVbyte_nolen (req->sv1);
866	req->int2 = (mode_t)mode;	1418	req->int2 = (mode_t)mode;
867	req->offs = dev;	1419	req->offs = dev;
		1420	req_set_path1 (req, pathname);
868		1421
869	REQ_SEND;	1422	REQ_SEND;
870	}	1423	}
871		1424
872	void	1425	void
		1426	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1427	ALIAS:
		1428	aio_mtouch = EIO_MTOUCH
		1429	aio_msync = EIO_MSYNC
		1430	PPCODE:
		1431	{
		1432	STRLEN svlen;
		1433	char *svptr = SvPVbyte (data, svlen);
		1434	UV len = SvUV (length);
		1435
		1436	if (offset < 0)
		1437	offset += svlen;
		1438
		1439	if (offset < 0 || offset > svlen)
		1440	croak ("offset outside of scalar");
		1441
		1442	if (!SvOK (length) || len + offset > svlen)
		1443	len = svlen - offset;
		1444
		1445	{
		1446	dREQ;
		1447
		1448	req->type = ix;
		1449	req->sv2 = SvREFCNT_inc (data);
		1450	req->ptr2 = (char *)svptr + offset;
		1451	req->size = len;
		1452	req->int1 = flags;
		1453
		1454	REQ_SEND;
		1455	}
		1456	}
		1457
		1458	void
		1459	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1460	PPCODE:
		1461	{
		1462	STRLEN svlen;
		1463	char *svptr = SvPVbyte (data, svlen);
		1464	UV len = SvUV (length);
		1465
		1466	if (offset < 0)
		1467	offset += svlen;
		1468
		1469	if (offset < 0 || offset > svlen)
		1470	croak ("offset outside of scalar");
		1471
		1472	if (!SvOK (length) || len + offset > svlen)
		1473	len = svlen - offset;
		1474
		1475	{
		1476	dREQ;
		1477
		1478	req->type = EIO_MLOCK;
		1479	req->sv2 = SvREFCNT_inc (data);
		1480	req->ptr2 = (char *)svptr + offset;
		1481	req->size = len;
		1482
		1483	REQ_SEND;
		1484	}
		1485	}
		1486
		1487	void
		1488	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1489	PPCODE:
		1490	{
		1491	dREQ;
		1492
		1493	req->type = EIO_MLOCKALL;
		1494	req->int1 = flags;
		1495
		1496	REQ_SEND;
		1497	}
		1498
		1499	void
873	aio_busy (double delay, SV *callback=&PL_sv_undef)	1500	aio_busy (double delay, SV *callback=&PL_sv_undef)
874	PPCODE:	1501	PPCODE:
875	{	1502	{
876	dREQ;	1503	dREQ;
877		1504
…		…
881	REQ_SEND;	1508	REQ_SEND;
882	}	1509	}
883		1510
884	void	1511	void
885	aio_group (SV *callback=&PL_sv_undef)	1512	aio_group (SV *callback=&PL_sv_undef)
886	PROTOTYPE: ;$
887	PPCODE:	1513	PPCODE:
888	{	1514	{
889	dREQ;	1515	dREQ;
890		1516
891	req->type = EIO_GROUP;	1517	req->type = EIO_GROUP;
892		1518
893	eio_submit (req);	1519	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1520	XPUSHs (req_sv (req, aio_grp_stash));
895	}	1521	}
896		1522
897	void	1523	void
898	aio_nop (SV *callback=&PL_sv_undef)	1524	aio_nop (SV *callback=&PL_sv_undef)
899	ALIAS:	1525	ALIAS:
…		…
908	REQ_SEND;	1534	REQ_SEND;
909	}	1535	}
910		1536
911	int	1537	int
912	aioreq_pri (int pri = 0)	1538	aioreq_pri (int pri = 0)
913	PROTOTYPE: ;$
914	CODE:	1539	CODE:
915	RETVAL = next_pri - EIO_PRI_BIAS;	1540	RETVAL = next_pri;
916	if (items > 0)	1541	if (items > 0)
917	{	1542	{
918	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1543	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
919	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1544	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
920	next_pri = pri + EIO_PRI_BIAS;	1545	next_pri = pri;
921	}	1546	}
922	OUTPUT:	1547	OUTPUT:
923	RETVAL	1548	RETVAL
924		1549
925	void	1550	void
926	aioreq_nice (int nice = 0)	1551	aioreq_nice (int nice = 0)
927	CODE:	1552	CODE:
928	nice = next_pri - nice;	1553	nice = next_pri - nice;
929	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1554	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
930	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1555	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
931	next_pri = nice + EIO_PRI_BIAS;	1556	next_pri = nice;
932		1557
933	void	1558	void
934	flush ()	1559	flush ()
935	PROTOTYPE:
936	CODE:	1560	CODE:
937	while (eio_nreqs ())	1561	while (eio_nreqs ())
938	{	1562	{
939	poll_wait ();	1563	poll_wait ();
940	poll_cb ();	1564	poll_cb ();
941	}	1565	}
942		1566
943	int	1567	int
944	poll()	1568	poll ()
945	PROTOTYPE:
946	CODE:	1569	CODE:
947	poll_wait ();	1570	poll_wait ();
948	RETVAL = poll_cb ();	1571	RETVAL = poll_cb ();
949	OUTPUT:	1572	OUTPUT:
950	RETVAL	1573	RETVAL
951		1574
952	int	1575	int
953	poll_fileno()	1576	poll_fileno ()
954	PROTOTYPE:
955	CODE:	1577	CODE:
956	RETVAL = respipe [0];	1578	RETVAL = s_epipe_fd (&respipe);
957	OUTPUT:	1579	OUTPUT:
958	RETVAL	1580	RETVAL
959		1581
960	int	1582	int
961	poll_cb(...)	1583	poll_cb (...)
962	PROTOTYPE:	1584	PROTOTYPE:
963	CODE:	1585	CODE:
964	RETVAL = poll_cb ();	1586	RETVAL = poll_cb ();
965	OUTPUT:	1587	OUTPUT:
966	RETVAL	1588	RETVAL
967		1589
968	void	1590	void
969	poll_wait()	1591	poll_wait ()
970	PROTOTYPE:
971	CODE:	1592	CODE:
972	poll_wait ();	1593	poll_wait ();
973		1594
974	int	1595	int
975	nreqs()	1596	nreqs ()
976	PROTOTYPE:
977	CODE:	1597	CODE:
978	RETVAL = eio_nreqs ();	1598	RETVAL = eio_nreqs ();
979	OUTPUT:	1599	OUTPUT:
980	RETVAL	1600	RETVAL
981		1601
982	int	1602	int
983	nready()	1603	nready ()
984	PROTOTYPE:
985	CODE:	1604	CODE:
986	RETVAL = eio_nready ();	1605	RETVAL = eio_nready ();
987	OUTPUT:	1606	OUTPUT:
988	RETVAL	1607	RETVAL
989		1608
990	int	1609	int
991	npending()	1610	npending ()
992	PROTOTYPE:
993	CODE:	1611	CODE:
994	RETVAL = eio_npending ();	1612	RETVAL = eio_npending ();
995	OUTPUT:	1613	OUTPUT:
996	RETVAL	1614	RETVAL
997		1615
998	int	1616	int
999	nthreads()	1617	nthreads ()
1000	PROTOTYPE:
1001	CODE:	1618	CODE:
1002	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1619	RETVAL = eio_nthreads ();
1003	RETVAL = started;
1004	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1005	OUTPUT:	1620	OUTPUT:
1006	RETVAL	1621	RETVAL
1007		1622
		1623	int
		1624	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1625	CODE:
		1626	RETVAL = posix_fadvise (fh, offset, length, advice);
		1627	OUTPUT:
		1628	RETVAL
		1629
		1630	IV
		1631	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1632	CODE:
		1633	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1634	OUTPUT:
		1635	RETVAL
		1636
		1637	void
		1638	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1639	PPCODE:
		1640	sv_unmagic (scalar, MMAP_MAGIC);
		1641	{
		1642	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1643	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1644	if (addr == (void *)-1)
		1645	XSRETURN_NO;
		1646
		1647	sv_force_normal (scalar);
		1648
		1649	/* we store the length in mg_obj, as namlen is I32 :/ */
		1650	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1651	->mg_obj = (SV *)length;
		1652
		1653	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1654
		1655	if (!(prot & PROT_WRITE))
		1656	SvREADONLY_on (scalar);
		1657
		1658	if (SvLEN (scalar))
		1659	Safefree (SvPVX (scalar));
		1660
		1661	SvPVX (scalar) = (char *)addr;
		1662	SvCUR_set (scalar, length);
		1663	SvLEN_set (scalar, 0);
		1664	SvPOK_only (scalar);
		1665
		1666	XSRETURN_YES;
		1667	}
		1668
		1669	void
		1670	munmap (SV *scalar)
		1671	CODE:
		1672	sv_unmagic (scalar, MMAP_MAGIC);
		1673
		1674	int
		1675	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1676	ALIAS:
		1677	mprotect = 1
		1678	CODE:
		1679	{
		1680	STRLEN svlen;
		1681	void *addr = SvPVbyte (scalar, svlen);
		1682	size_t len = SvUV (length);
		1683
		1684	if (offset < 0)
		1685	offset += svlen;
		1686
		1687	if (offset < 0 || offset > svlen)
		1688	croak ("offset outside of scalar");
		1689
		1690	if (!SvOK (length) || len + offset > svlen)
		1691	len = svlen - offset;
		1692
		1693	addr = (void *)(((intptr_t)addr) + offset);
		1694	eio_page_align (&addr, &len);
		1695
		1696	switch (ix)
		1697	{
		1698	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1699	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1700	}
		1701	}
		1702	OUTPUT:
		1703	RETVAL
		1704
		1705	int
		1706	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1707	CODE:
		1708	{
		1709	STRLEN svlen;
		1710	void *addr = SvPVbyte (scalar, svlen);
		1711	size_t len = SvUV (length);
		1712
		1713	if (offset < 0)
		1714	offset += svlen;
		1715
		1716	if (offset < 0 || offset > svlen)
		1717	croak ("offset outside of scalar");
		1718
		1719	if (!SvOK (length) || len + offset > svlen)
		1720	len = svlen - offset;
		1721
		1722	addr = (void *)(((intptr_t)addr) + offset);
		1723	eio_page_align (&addr, &len);
		1724	#if _POSIX_MEMLOCK_RANGE
		1725	RETVAL = munlock (addr, len);
		1726	#else
		1727	RETVAL = ((errno = ENOSYS), -1);
		1728	#endif
		1729	}
		1730	OUTPUT:
		1731	RETVAL
		1732
		1733	int
		1734	munlockall ()
		1735	CODE:
		1736	#if _POSIX_MEMLOCK
		1737	munlockall ();
		1738	#else
		1739	RETVAL = -1;
		1740	errno = ENOSYS;
		1741	#endif
		1742	OUTPUT:
		1743	RETVAL
		1744
		1745	void _on_next_submit (SV *cb)
		1746	CODE:
		1747	SvREFCNT_dec (on_next_submit);
		1748	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1749
1008	PROTOTYPES: DISABLE	1750	PROTOTYPES: DISABLE
1009		1751
		1752	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1753
		1754	BOOT:
		1755	{
		1756	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1757	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1758	}
		1759
		1760	void
		1761	DESTROY (SV *self)
		1762	CODE:
		1763	{
		1764	aio_wd wd = SvAIO_WD (self);
		1765	#if HAVE_AT
		1766	SV *callback = &PL_sv_undef;
		1767	dREQ; /* clobbers next_pri :/ */
		1768	req->type = EIO_WD_CLOSE;
		1769	req->wd = wd;
		1770	REQ_SEND;
		1771	#else
		1772	eio_wd_close_sync (wd);
		1773	#endif
		1774	}
		1775
1010	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1776	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1011		1777
1012	void	1778	void
1013	cancel (aio_req_ornot req)	1779	cancel (aio_req_ornot req)
1014	CODE:	1780	CODE:
1015	eio_cancel (req);	1781	eio_cancel (req);
1016		1782
1017	void	1783	void
1018	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1784	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1019	CODE:	1785	PPCODE:
		1786	{
		1787	if (GIMME_V != G_VOID)
		1788	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1789
		1790	if (items > 1)
		1791	{
		1792	SV *cb_cv =get_cb (callback);
		1793
1020	SvREFCNT_dec (req->callback);	1794	SvREFCNT_dec (req->callback);
1021	req->callback = newSVsv (callback);	1795	req->callback = SvREFCNT_inc (cb_cv);
		1796	}
		1797	}
1022		1798
1023	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1799	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1024		1800
1025	void	1801	void
1026	add (aio_req grp, ...)	1802	add (aio_req grp, ...)
…		…
1058	AV *av;	1834	AV *av;
1059		1835
1060	grp->errorno = errno;	1836	grp->errorno = errno;
1061		1837
1062	av = newAV ();	1838	av = newAV ();
		1839	av_extend (av, items - 1);
1063		1840
1064	for (i = 1; i < items; ++i )	1841	for (i = 1; i < items; ++i )
1065	av_push (av, newSVsv (ST (i)));	1842	av_push (av, newSVsv (ST (i)));
1066		1843
1067	SvREFCNT_dec (grp->sv1);	1844	SvREFCNT_dec (grp->sv1);
…		…
1081	void	1858	void
1082	feed (aio_req grp, SV *callback=&PL_sv_undef)	1859	feed (aio_req grp, SV *callback=&PL_sv_undef)
1083	CODE:	1860	CODE:
1084	{	1861	{
1085	SvREFCNT_dec (grp->sv2);	1862	SvREFCNT_dec (grp->sv2);
1086	grp->sv2 = newSVsv (callback);	1863	grp->sv2 = newSVsv (callback);
		1864	grp->feed = aio_grp_feed;
1087		1865
1088	if (grp->int2 <= 0)	1866	if (grp->int2 <= 0)
1089	grp->int2 = 2;	1867	grp->int2 = 2;
1090		1868
1091	eio_grp_limit (grp, grp->int2);	1869	eio_grp_limit (grp, grp->int2);

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