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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs.
Revision 1.196 by root, Tue Sep 27 00:41:51 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
106	static SV *on_next_submit;	337	static SV *on_next_submit;
107	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	338	static int next_pri = EIO_PRI_DEFAULT;
108	static int max_outstanding;	339	static int max_outstanding;
109		340
110	static int respipe_osf [2], respipe [2] = { -1, -1 };	341	static s_epipe respipe;
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;
…		…
170		418
171	static void req_submit (eio_req *req)	419	static void req_submit (eio_req *req)
172	{	420	{
173	eio_submit (req);	421	eio_submit (req);
174		422
175	if (on_next_submit)	423	if (expect_false (on_next_submit))
176	{	424	{
177	dSP;	425	dSP;
178	SV *cb = sv_2mortal (on_next_submit);	426	SV *cb = sv_2mortal (on_next_submit);
179		427
180	on_next_submit = 0;	428	on_next_submit = 0;
…		…
185	}	433	}
186	}	434	}
187		435
188	static int req_invoke (eio_req *req)	436	static int req_invoke (eio_req *req)
189	{	437	{
190	dSP;
191
192	if (req->flags & FLAG_SV2_RO_OFF)	438	if (req->flags & FLAG_SV2_RO_OFF)
193	SvREADONLY_off (req->sv2);	439	SvREADONLY_off (req->sv2);
194		440
195	if (!EIO_CANCELLED (req) && SvOK (req->callback))	441	if (!EIO_CANCELLED (req) && req->callback)
196	{	442	{
		443	dSP;
		444	static SV *sv_result_cache; /* caches the result integer SV */
		445	SV *sv_result;
		446
197	ENTER;	447	ENTER;
198	SAVETMPS;	448	SAVETMPS;
199	PUSHMARK (SP);	449	PUSHMARK (SP);
200	EXTEND (SP, 1);	450	EXTEND (SP, 1);
201		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
202	switch (req->type)	465	switch (req->type)
203	{	466	{
		467	case EIO_WD_OPEN:
		468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		469	break;
		470
204	case EIO_READDIR:	471	case EIO_READDIR:
205	{	472	{
206	SV *rv = &PL_sv_undef;	473	SV *rv = &PL_sv_undef;
207		474
208	if (req->result >= 0)	475	if (req->result >= 0)
209	{	476	{
210	int i;	477	int i;
211	char *buf = req->ptr2;	478	char *names = (char *)req->ptr2;
		479	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
212	AV *av = newAV ();	480	AV *av = newAV ();
213		481
214	av_extend (av, req->result - 1);	482	av_extend (av, req->result - 1);
215		483
216	for (i = 0; i < req->result; ++i)	484	for (i = 0; i < req->result; ++i)
217	{	485	{
218	SV *sv = newSVpv (buf, 0);	486	if (req->int1 & EIO_READDIR_DENTS)
		487	{
		488	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
219		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
220	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);
221	buf += SvCUR (sv) + 1;	518	names += SvCUR (name) + 1;
		519	}
222	}	520	}
223		521
224	rv = sv_2mortal (newRV_noinc ((SV *)av));	522	rv = sv_2mortal (newRV_noinc ((SV *)av));
225	}	523	}
226		524
227	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))));
228	}	529	}
229	break;	530	break;
230		531
231	case EIO_OPEN:	532	case EIO_OPEN:
232	{	533	{
…		…
238	GV *gv = (GV *)sv_newmortal ();	539	GV *gv = (GV *)sv_newmortal ();
239	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	540	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
240	char sym [64];	541	char sym [64];
241	int symlen;	542	int symlen;
242		543
243	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	544	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
244	gv_init (gv, stash, sym, symlen, 0);	545	gv_init (gv, aio_stash, sym, symlen, 0);
245		546
246	symlen = snprintf (	547	symlen = snprintf (
247	sym,	548	sym,
248	sizeof (sym),	549	sizeof (sym),
249	"%s&=%d",	550	"%s&=%d",
250	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	551	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
251	req->result	552	(int)req->result
252	);	553	);
253		554
254	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	555	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
255	fh = (SV *)gv;	556	fh = (SV *)gv;
256	}	557	}
257		558
258	PUSHs (fh);	559	PUSHs (fh);
259	}	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
260	break;	593	break;
261		594
262	case EIO_GROUP:	595	case EIO_GROUP:
263	req->int1 = 2; /* mark group as finished */	596	req->int1 = 2; /* mark group as finished */
264		597
…		…
276	case EIO_NOP:	609	case EIO_NOP:
277	case EIO_BUSY:	610	case EIO_BUSY:
278	break;	611	break;
279		612
280	case EIO_READLINK:	613	case EIO_READLINK:
		614	case EIO_REALPATH:
281	if (req->result > 0)	615	if (req->result > 0)
282	{	616	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
283	SvCUR_set (req->sv2, req->result);
284	*SvEND (req->sv2) = 0;
285	PUSHs (req->sv2);
286	}
287	break;	617	break;
288		618
289	case EIO_STAT:	619	case EIO_STAT:
290	case EIO_LSTAT:	620	case EIO_LSTAT:
291	case EIO_FSTAT:	621	case EIO_FSTAT:
292	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
293	PL_laststatval = req->result;	623	PL_laststatval = req->result;
		624	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
294	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	625	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
295	PUSHs (sv_2mortal (newSViv (req->result)));	626	PUSHs (sv_result);
296	break;	627	break;
297		628
298	case EIO_READ:	629	case EIO_READ:
		630	{
299	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	631	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
300	*SvEND (req->sv2) = 0;	632	*SvEND (req->sv2) = 0;
301	PUSHs (sv_2mortal (newSViv (req->result)));	633	SvPOK_only (req->sv2);
		634	SvSETMAGIC (req->sv2);
		635	PUSHs (sv_result);
		636	}
302	break;	637	break;
303		638
304	case EIO_DUP2:	639	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
305	if (req->result > 0)	640	if (req->result > 0)
306	req->result = 0;	641	SvIV_set (sv_result, 0);
307	/* FALLTHROUGH */	642	/* FALLTHROUGH */
308		643
309	default:	644	default:
310	PUSHs (sv_2mortal (newSViv (req->result)));	645	PUSHs (sv_result);
311	break;	646	break;
312	}	647	}
313		648
314	errno = req->errorno;	649	errno = req->errorno;
315		650
316	PUTBACK;	651	PUTBACK;
317	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	652	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
318	SPAGAIN;	653	SPAGAIN;
		654
		655	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		656	SvREFCNT_dec (sv_result);
		657	else
		658	sv_result_cache = sv_result;
319		659
320	FREETMPS;	660	FREETMPS;
321	LEAVE;	661	LEAVE;
322		662
323	PUTBACK;	663	PUTBACK;
…		…
334	SvREFCNT_dec (req->self);	674	SvREFCNT_dec (req->self);
335	}	675	}
336		676
337	SvREFCNT_dec (req->sv1);	677	SvREFCNT_dec (req->sv1);
338	SvREFCNT_dec (req->sv2);	678	SvREFCNT_dec (req->sv2);
		679	SvREFCNT_dec (req->sv3);
		680	SvREFCNT_dec (req->sv4);
339	SvREFCNT_dec (req->callback);	681	SvREFCNT_dec (req->callback);
340		682
341	Safefree (req);	683	Safefree (req);
342	}	684	}
343		685
344	static void req_cancel_subs (aio_req grp)	686	static void req_cancel_subs (aio_req grp)
345	{	687	{
346	aio_req sub;
347
348	if (grp->type != EIO_GROUP)	688	if (grp->type != EIO_GROUP)
349	return;	689	return;
350		690
351	SvREFCNT_dec (grp->sv2);	691	SvREFCNT_dec (grp->sv2);
352	grp->sv2 = 0;	692	grp->sv2 = 0;
353		693
354	eio_grp_cancel (grp);	694	eio_grp_cancel (grp);
355	}	695	}
356		696
357	#ifdef USE_SOCKETS_AS_HANDLES
358	# define TO_SOCKET(x) (win32_get_osfhandle (x))
359	#else
360	# define TO_SOCKET(x) (x)
361	#endif
362
363	static void
364	create_respipe (void)	697	static void create_respipe (void)
365	{	698	{
366	int old_readfd = respipe [0];
367
368	if (respipe [1] >= 0)
369	respipe_close (TO_SOCKET (respipe [1]));
370
371	#ifdef _WIN32
372	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
373	#else
374	if (pipe (respipe))	699	if (s_epipe_renew (&respipe))
375	#endif
376	croak ("unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
377
378	if (old_readfd >= 0)
379	{
380	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
381	croak ("unable to initialize result pipe(2)");
382
383	respipe_close (respipe [0]);
384	respipe [0] = old_readfd;
385	}
386
387	#ifdef _WIN32
388	int arg = 1;
389	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
390	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
391	#else
392	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
393	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
394	#endif
395	croak ("unable to initialize result pipe(3)");
396
397	respipe_osf [0] = TO_SOCKET (respipe [0]);
398	respipe_osf [1] = TO_SOCKET (respipe [1]);
399	}	701	}
400		702
401	static void poll_wait (void)	703	static void poll_wait (void)
402	{	704	{
403	fd_set rfd;
404
405	while (eio_nreqs ())	705	while (eio_nreqs ())
406	{	706	{
407	int size;	707	int size;
408		708
409	X_LOCK (reslock);	709	X_LOCK (reslock);
…		…
411	X_UNLOCK (reslock);	711	X_UNLOCK (reslock);
412		712
413	if (size)	713	if (size)
414	return;	714	return;
415		715
416	maybe_start_thread ();	716	etp_maybe_start_thread ();
417		717
418	FD_ZERO (&rfd);	718	s_epipe_wait (&respipe);
419	FD_SET (respipe [0], &rfd);
420
421	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
422	}	719	}
423	}	720	}
424		721
425	static int poll_cb (void)	722	static int poll_cb (void)
426	{	723	{
427	int res;	724	for (;;)
428
429	do
430	{	725	{
431	res = eio_poll ();	726	int res = eio_poll ();
432		727
433	if (res > 0)	728	if (res > 0)
434	croak (0);	729	croak (0);
		730
		731	if (!max_outstanding || max_outstanding > eio_nreqs ())
		732	return res;
		733
		734	poll_wait ();
435	}	735	}
436	while (max_outstanding && max_outstanding <= eio_nreqs ());
437
438	return res;
439	}	736	}
440		737
441	static void atfork_child (void)	738	static void ecb_cold
		739	reinit (void)
442	{	740	{
443	create_respipe ();	741	create_respipe ();
		742
		743	if (eio_init (want_poll, done_poll) < 0)
		744	croak ("IO::AIO: unable to initialise eio library");
		745	}
		746
		747	/*****************************************************************************/
		748
		749	#if !_POSIX_MAPPED_FILES
		750	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		751	# define munmap(addr,length) (errno = ENOSYS, -1)
		752	#endif
		753
		754	#if !_POSIX_MEMORY_PROTECTION
		755	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		756	# define PROT_NONE 0
		757	# define PROT_WRITE 0
		758	# define MAP_PRIVATE 0
		759	# define MAP_SHARED 0
		760	# define MAP_FIXED 0
		761	#endif
		762
		763	#define MMAP_MAGIC PERL_MAGIC_ext
		764
		765	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		766	{
		767	int old_errno = errno;
		768	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		769	errno = old_errno;
		770
		771	mg->mg_obj = 0; /* just in case */
		772
		773	SvREADONLY_off (sv);
		774
		775	if (SvPVX (sv) != mg->mg_ptr)
		776	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		777
		778	SvCUR_set (sv, 0);
		779	SvPVX (sv) = 0;
		780	SvOK_off (sv);
		781
		782	return 0;
		783	}
		784
		785	static MGVTBL mmap_vtbl = {
		786	0, 0, 0, 0, mmap_free
		787	};
		788
		789	/*****************************************************************************/
		790
		791	static SV * get_cb (SV *cb_sv)
		792	{
		793	SvGETMAGIC (cb_sv);
		794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
444	}	795	}
445		796
446	#define dREQ \	797	#define dREQ \
		798	SV *cb_cv; \
447	aio_req req; \	799	aio_req req; \
448	int req_pri = next_pri; \	800	int req_pri = next_pri; \
449	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	801	next_pri = EIO_PRI_DEFAULT; \
450	\	802	\
451	if (SvOK (callback) && !SvROK (callback)) \	803	cb_cv = get_cb (callback); \
452	croak ("callback must be undef or of reference type"); \
453	\	804	\
454	Newz (0, req, 1, eio_req); \	805	Newz (0, req, 1, eio_req); \
455	if (!req) \	806	if (!req) \
456	croak ("out of memory during eio_req allocation"); \	807	croak ("out of memory during eio_req allocation"); \
457	\	808	\
458	req->callback = newSVsv (callback); \	809	req->callback = SvREFCNT_inc (cb_cv); \
459	req->pri = req_pri	810	req->pri = req_pri
460		811
461	#define REQ_SEND \	812	#define REQ_SEND \
		813	PUTBACK; \
462	req_submit (req); \	814	req_submit (req); \
		815	SPAGAIN; \
463	\	816	\
464	if (GIMME_V != G_VOID) \	817	if (GIMME_V != G_VOID) \
465	XPUSHs (req_sv (req, AIO_REQ_KLASS));	818	XPUSHs (req_sv (req, aio_req_stash));
466		819
		820	static void
		821	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		822	{
		823	if (SvROK (path))
		824	{
		825	AV *av = (AV *)SvRV (path);
		826	SV *wdob;
		827
		828	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		829	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		830
		831	path = AvARRAY (av)[1];
		832	wdob = AvARRAY (av)[0];
		833
		834	if (SvOK (wdob))
		835	{
		836	*wd = SvAIO_WD (wdob);
		837	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		838	}
		839	else
		840	*wd = EIO_INVALID_WD;
		841	}
		842
		843	*pathsv = newSVsv (path);
		844	*ptr = SvPVbyte_nolen (*pathsv);
		845	}
		846
		847	static void
		848	req_set_path1 (aio_req req, SV *path)
		849	{
		850	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		851	}
		852
		853	static void
		854	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		855	{
		856	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		857
		858	switch (SvTYPE (rv))
		859	{
		860	case SVt_PVIO:
		861	case SVt_PVLV:
		862	case SVt_PVGV:
		863	req->type = type_fh;
		864	req->sv1 = newSVsv (fh_or_path);
		865	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		866	break;
		867
		868	default:
		869	req->type = type_path;
		870	req_set_path1 (req, fh_or_path);
		871	break;
		872	}
		873
		874	}
		875
467	MODULE = IO::AIO PACKAGE = IO::AIO	876	MODULE = IO::AIO PACKAGE = IO::AIO
468		877
469	PROTOTYPES: ENABLE	878	PROTOTYPES: ENABLE
470		879
471	BOOT:	880	BOOT:
472	{	881	{
		882	static const struct {
		883	const char *name;
		884	IV iv;
		885	} *civ, const_iv[] = {
		886	# define const_niv(name, value) { # name, (IV) value },
		887	# define const_iv(name) { # name, (IV) name },
		888	# define const_eio(name) { # name, (IV) EIO_ ## name },
		889	const_iv (EXDEV)
		890	const_iv (ENOSYS)
		891	const_iv (O_RDONLY)
		892	const_iv (O_WRONLY)
		893	const_iv (O_RDWR)
		894	const_iv (O_CREAT)
		895	const_iv (O_TRUNC)
		896	const_iv (O_EXCL)
		897	const_iv (O_APPEND)
		898
		899	const_iv (O_ASYNC)
		900	const_iv (O_DIRECT)
		901	const_iv (O_NOATIME)
		902
		903	const_iv (O_CLOEXEC)
		904	const_iv (O_NOCTTY)
		905	const_iv (O_NOFOLLOW)
		906	const_iv (O_NONBLOCK)
		907	const_iv (O_EXEC)
		908	const_iv (O_SEARCH)
		909	const_iv (O_DIRECTORY)
		910	const_iv (O_DSYNC)
		911	const_iv (O_RSYNC)
		912	const_iv (O_SYNC)
		913	const_iv (O_TTY_INIT)
		914
		915	const_iv (S_IFIFO)
		916	const_iv (S_IFCHR)
		917	const_iv (S_IFBLK)
		918	const_iv (S_IFLNK)
		919	const_iv (S_IFREG)
		920	const_iv (S_IFDIR)
		921	const_iv (S_IFWHT)
		922	const_iv (S_IFSOCK)
		923	const_iv (S_IFMT)
		924
		925	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		926	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		927	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		928	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		929	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		930	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		931
		932	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		933	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		934	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		935	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		936	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		937
		938	const_iv (ST_RDONLY)
		939	const_iv (ST_NOSUID)
		940	const_iv (ST_NODEV)
		941	const_iv (ST_NOEXEC)
		942	const_iv (ST_SYNCHRONOUS)
		943	const_iv (ST_MANDLOCK)
		944	const_iv (ST_WRITE)
		945	const_iv (ST_APPEND)
		946	const_iv (ST_IMMUTABLE)
		947	const_iv (ST_NOATIME)
		948	const_iv (ST_NODIRATIME)
		949	const_iv (ST_RELATIME)
		950
		951	const_iv (PROT_NONE)
		952	const_iv (PROT_EXEC)
		953	const_iv (PROT_READ)
		954	const_iv (PROT_WRITE)
		955
		956	/*const_iv (MAP_FIXED)*/
		957	const_iv (MAP_PRIVATE)
		958	const_iv (MAP_SHARED)
		959	const_iv (MAP_ANONYMOUS)
		960
		961	/* linuxish */
		962	const_iv (MAP_HUGETLB)
		963	const_iv (MAP_LOCKED)
		964	const_iv (MAP_NORESERVE)
		965	const_iv (MAP_POPULATE)
		966	const_iv (MAP_NONBLOCK)
		967
		968	const_eio (MCL_FUTURE)
		969	const_eio (MCL_CURRENT)
		970
		971	const_eio (MS_ASYNC)
		972	const_eio (MS_INVALIDATE)
		973	const_eio (MS_SYNC)
		974
		975	const_eio (MT_MODIFY)
		976
		977	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		978	const_eio (SYNC_FILE_RANGE_WRITE)
		979	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		980
		981	const_eio (FALLOC_FL_KEEP_SIZE)
		982
		983	const_eio (READDIR_DENTS)
		984	const_eio (READDIR_DIRS_FIRST)
		985	const_eio (READDIR_STAT_ORDER)
		986	const_eio (READDIR_FOUND_UNKNOWN)
		987
		988	const_eio (DT_UNKNOWN)
		989	const_eio (DT_FIFO)
		990	const_eio (DT_CHR)
		991	const_eio (DT_DIR)
		992	const_eio (DT_BLK)
		993	const_eio (DT_REG)
		994	const_eio (DT_LNK)
		995	const_eio (DT_SOCK)
		996	const_eio (DT_WHT)
		997	};
		998
473	stash = gv_stashpv ("IO::AIO", 1);	999	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1000	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1001	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1002	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
474		1003
475	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1004	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
476	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1005	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
477	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
478	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
479	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
480	#ifdef _WIN32
481	X_MUTEX_CHECK (wrklock);
482	X_MUTEX_CHECK (reslock);
483	X_MUTEX_CHECK (reqlock);
484	X_MUTEX_CHECK (reqwait);
485	X_MUTEX_CHECK (preadwritelock);
486	X_MUTEX_CHECK (readdirlock);
487		1006
488	X_COND_CHECK (reqwait);	1007	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
489	#else
490	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
491	#endif
492		1008
493	create_respipe ();	1009	reinit ();
494
495	if (eio_init (want_poll, done_poll) < 0)
496	croak ("IO::AIO: unable to initialise eio library");
497
498	/* atfork child called in fifo order, so before eio's handler */
499	X_THREAD_ATFORK (0, 0, atfork_child);
500	}	1010	}
501		1011
502	void	1012	void
		1013	reinit ()
		1014	PROTOTYPE:
		1015
		1016	void
503	max_poll_reqs (int nreqs)	1017	max_poll_reqs (unsigned int nreqs)
504	PROTOTYPE: $	1018	PROTOTYPE: $
505	CODE:	1019	CODE:
506	eio_set_max_poll_reqs (nreqs);	1020	eio_set_max_poll_reqs (nreqs);
507		1021
508	void	1022	void
…		…
510	PROTOTYPE: $	1024	PROTOTYPE: $
511	CODE:	1025	CODE:
512	eio_set_max_poll_time (nseconds);	1026	eio_set_max_poll_time (nseconds);
513		1027
514	void	1028	void
515	min_parallel (int nthreads)	1029	min_parallel (unsigned int nthreads)
516	PROTOTYPE: $	1030	PROTOTYPE: $
517	CODE:	1031	CODE:
518	eio_set_min_parallel (nthreads);	1032	eio_set_min_parallel (nthreads);
519		1033
520	void	1034	void
521	max_parallel (int nthreads)	1035	max_parallel (unsigned int nthreads)
522	PROTOTYPE: $	1036	PROTOTYPE: $
523	CODE:	1037	CODE:
524	eio_set_max_parallel (nthreads);	1038	eio_set_max_parallel (nthreads);
525		1039
526	void	1040	void
527	max_idle (int nthreads)	1041	max_idle (unsigned int nthreads)
528	PROTOTYPE: $	1042	PROTOTYPE: $
529	CODE:	1043	CODE:
530	eio_set_max_idle (nthreads);	1044	eio_set_max_idle (nthreads);
531		1045
532	void	1046	void
		1047	idle_timeout (unsigned int seconds)
		1048	PROTOTYPE: $
		1049	CODE:
		1050	eio_set_idle_timeout (seconds);
		1051
		1052	void
533	max_outstanding (int maxreqs)	1053	max_outstanding (unsigned int maxreqs)
534	PROTOTYPE: $	1054	PROTOTYPE: $
535	CODE:	1055	CODE:
536	max_outstanding = maxreqs;	1056	max_outstanding = maxreqs;
537		1057
538	void	1058	void
		1059	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1060	PPCODE:
		1061	{
		1062	dREQ;
		1063
		1064	req->type = EIO_WD_OPEN;
		1065	req_set_path1 (req, pathname);
		1066
		1067	REQ_SEND;
		1068	}
		1069
		1070	void
539	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1071	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
540	PROTOTYPE: $$$;$
541	PPCODE:	1072	PPCODE:
542	{	1073	{
543	dREQ;	1074	dREQ;
544		1075
545	req->type = EIO_OPEN;	1076	req->type = EIO_OPEN;
546	req->sv1 = newSVsv (pathname);	1077	req_set_path1 (req, pathname);
547	req->ptr1 = SvPVbyte_nolen (req->sv1);
548	req->int1 = flags;	1078	req->int1 = flags;
549	req->int2 = mode;	1079	req->int2 = mode;
550		1080
551	REQ_SEND;	1081	REQ_SEND;
552	}	1082	}
553		1083
554	void	1084	void
555	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1085	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
556	PROTOTYPE: $;$
557	ALIAS:	1086	ALIAS:
558	aio_fsync = EIO_FSYNC	1087	aio_fsync = EIO_FSYNC
559	aio_fdatasync = EIO_FDATASYNC	1088	aio_fdatasync = EIO_FDATASYNC
		1089	aio_syncfs = EIO_SYNCFS
560	PPCODE:	1090	PPCODE:
561	{	1091	{
		1092	int fd = s_fileno_croak (fh, 0);
562	dREQ;	1093	dREQ;
563		1094
564	req->type = ix;	1095	req->type = ix;
565	req->sv1 = newSVsv (fh);	1096	req->sv1 = newSVsv (fh);
566	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1097	req->int1 = fd;
567		1098
568	REQ_SEND (req);	1099	REQ_SEND (req);
569	}	1100	}
570		1101
571	void	1102	void
		1103	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1104	PPCODE:
		1105	{
		1106	int fd = s_fileno_croak (fh, 0);
		1107	dREQ;
		1108
		1109	req->type = EIO_SYNC_FILE_RANGE;
		1110	req->sv1 = newSVsv (fh);
		1111	req->int1 = fd;
		1112	req->offs = offset;
		1113	req->size = nbytes;
		1114	req->int2 = flags;
		1115
		1116	REQ_SEND (req);
		1117	}
		1118
		1119	void
		1120	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1121	PPCODE:
		1122	{
		1123	int fd = s_fileno_croak (fh, 0);
		1124	dREQ;
		1125
		1126	req->type = EIO_FALLOCATE;
		1127	req->sv1 = newSVsv (fh);
		1128	req->int1 = fd;
		1129	req->int2 = mode;
		1130	req->offs = offset;
		1131	req->size = len;
		1132
		1133	REQ_SEND (req);
		1134	}
		1135
		1136	void
572	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1137	aio_close (SV *fh, SV *callback=&PL_sv_undef)
573	PROTOTYPE: $;$
574	PPCODE:	1138	PPCODE:
575	{	1139	{
576	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1140	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1141	int fd = s_fileno_croak (fh, 0);
577	dREQ;	1142	dREQ;
578		1143
579	if (close_pipe < 0)	1144	if (expect_false (close_fd < 0))
580	{	1145	{
581	int pipefd [2];	1146	int pipefd [2];
582		1147
		1148	if (
		1149	#ifdef _WIN32
		1150	_pipe (pipefd, 1, _O_BINARY) < 0
		1151	#else
583	if (pipe (pipefd) < 0	1152	pipe (pipefd) < 0
584	|| close (pipefd [1]) < 0
585	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1153	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1154	#endif
		1155	|| close (pipefd [1]) < 0
		1156	)
586	abort (); /*D*/	1157	abort (); /*D*/
587		1158
588	close_pipe = pipefd [0];	1159	close_fd = pipefd [0];
589	}	1160	}
590		1161
591	req->type = EIO_DUP2;	1162	req->type = EIO_DUP2;
592	req->int1 = close_pipe;	1163	req->int1 = close_fd;
593	req->sv2 = newSVsv (fh);	1164	req->sv2 = newSVsv (fh);
594	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1165	req->int2 = fd;
595		1166
596	REQ_SEND (req);	1167	REQ_SEND (req);
597	}	1168	}
598		1169
599	void	1170	void
600	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1171	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
601	ALIAS:	1172	ALIAS:
602	aio_read = EIO_READ	1173	aio_read = EIO_READ
603	aio_write = EIO_WRITE	1174	aio_write = EIO_WRITE
604	PROTOTYPE: $$$$$;$
605	PPCODE:	1175	PPCODE:
606	{	1176	{
607	STRLEN svlen;	1177	STRLEN svlen;
		1178	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
608	char *svptr = SvPVbyte (data, svlen);	1179	char *svptr = SvPVbyte (data, svlen);
609	UV len = SvUV (length);	1180	UV len = SvUV (length);
610
611	SvUPGRADE (data, SVt_PV);
612	SvPOK_on (data);
613		1181
614	if (dataoffset < 0)	1182	if (dataoffset < 0)
615	dataoffset += svlen;	1183	dataoffset += svlen;
616		1184
617	if (dataoffset < 0 || dataoffset > svlen)	1185	if (dataoffset < 0 || dataoffset > svlen)
…		…
623	if (!SvOK (length) || len + dataoffset > svlen)	1191	if (!SvOK (length) || len + dataoffset > svlen)
624	len = svlen - dataoffset;	1192	len = svlen - dataoffset;
625	}	1193	}
626	else	1194	else
627	{	1195	{
628	/* read: grow scalar as necessary */	1196	/* read: check type and grow scalar as necessary */
		1197	SvUPGRADE (data, SVt_PV);
629	svptr = SvGROW (data, len + dataoffset + 1);	1198	svptr = SvGROW (data, len + dataoffset + 1);
630	}	1199	}
631		1200
632	if (len < 0)
633	croak ("length must not be negative");
634
635	{	1201	{
636	dREQ;	1202	dREQ;
637		1203
638	req->type = ix;	1204	req->type = ix;
639	req->sv1 = newSVsv (fh);	1205	req->sv1 = newSVsv (fh);
640	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1206	req->int1 = fd;
641	: IoOFP (sv_2io (fh)));
642	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1207	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
643	req->size = len;	1208	req->size = len;
644	req->sv2 = SvREFCNT_inc (data);	1209	req->sv2 = SvREFCNT_inc (data);
645	req->ptr2 = (char *)svptr + dataoffset;	1210	req->ptr2 = (char *)svptr + dataoffset;
646	req->stroffset = dataoffset;	1211	req->stroffset = dataoffset;
…		…
654	REQ_SEND;	1219	REQ_SEND;
655	}	1220	}
656	}	1221	}
657		1222
658	void	1223	void
659	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1224	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
660	PROTOTYPE: $$;$	1225	ALIAS:
		1226	aio_readlink = EIO_READLINK
		1227	aio_realpath = EIO_REALPATH
661	PPCODE:	1228	PPCODE:
662	{	1229	{
663	SV *data;
664	dREQ;	1230	dREQ;
665		1231
666	data = newSV (NAME_MAX);
667	SvPOK_on (data);
668
669	req->type = EIO_READLINK;	1232	req->type = ix;
670	req->sv1 = newSVsv (path);	1233	req_set_path1 (req, pathname);
671	req->ptr1 = SvPVbyte_nolen (req->sv1);
672	req->sv2 = data;
673	req->ptr2 = SvPVbyte_nolen (data);
674		1234
675	REQ_SEND;	1235	REQ_SEND;
676	}	1236	}
677		1237
678	void	1238	void
679	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1239	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
680	PROTOTYPE: $$$$;$
681	PPCODE:	1240	PPCODE:
682	{	1241	{
		1242	int ifd = s_fileno_croak (in_fh , 0);
		1243	int ofd = s_fileno_croak (out_fh, 1);
683	dREQ;	1244	dREQ;
684		1245
685	req->type = EIO_SENDFILE;	1246	req->type = EIO_SENDFILE;
686	req->sv1 = newSVsv (out_fh);	1247	req->sv1 = newSVsv (out_fh);
687	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1248	req->int1 = ofd;
688	req->sv2 = newSVsv (in_fh);	1249	req->sv2 = newSVsv (in_fh);
689	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1250	req->int2 = ifd;
690	req->offs = SvVAL64 (in_offset);	1251	req->offs = in_offset;
691	req->size = length;	1252	req->size = length;
692		1253
693	REQ_SEND;	1254	REQ_SEND;
694	}	1255	}
695		1256
696	void	1257	void
697	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1258	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
698	PROTOTYPE: $$$;$
699	PPCODE:	1259	PPCODE:
700	{	1260	{
		1261	int fd = s_fileno_croak (fh, 0);
701	dREQ;	1262	dREQ;
702		1263
703	req->type = EIO_READAHEAD;	1264	req->type = EIO_READAHEAD;
704	req->sv1 = newSVsv (fh);	1265	req->sv1 = newSVsv (fh);
705	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1266	req->int1 = fd;
706	req->offs = SvVAL64 (offset);	1267	req->offs = offset;
707	req->size = length;	1268	req->size = length;
708		1269
709	REQ_SEND;	1270	REQ_SEND;
710	}	1271	}
711		1272
712	void	1273	void
713	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1274	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
714	ALIAS:	1275	ALIAS:
715	aio_stat = EIO_STAT	1276	aio_stat = EIO_STAT
716	aio_lstat = EIO_LSTAT	1277	aio_lstat = EIO_LSTAT
		1278	aio_statvfs = EIO_STATVFS
717	PPCODE:	1279	PPCODE:
718	{	1280	{
719	dREQ;	1281	dREQ;
720		1282
721	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
722	if (!req->ptr2)
723	{
724	req_destroy (req);
725	croak ("out of memory during aio_stat statdata allocation");
726	}
727
728	req->flags |= EIO_FLAG_PTR2_FREE;
729	req->sv1 = newSVsv (fh_or_path);	1283	req->sv1 = newSVsv (fh_or_path);
730		1284	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
731	if (SvPOK (fh_or_path))
732	{
733	req->type = ix;
734	req->ptr1 = SvPVbyte_nolen (req->sv1);
735	}
736	else
737	{
738	req->type = EIO_FSTAT;
739	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
740	}
741
742	REQ_SEND;	1285	REQ_SEND;
743	}	1286	}
		1287
		1288	UV
		1289	major (UV dev)
		1290	ALIAS:
		1291	minor = 1
		1292	CODE:
		1293	RETVAL = ix ? major (dev) : minor (dev);
		1294	OUTPUT:
		1295	RETVAL
		1296
		1297	UV
		1298	makedev (UV maj, UV min)
		1299	CODE:
		1300	RETVAL = makedev (maj, min);
		1301	OUTPUT:
		1302	RETVAL
744		1303
745	void	1304	void
746	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1305	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
747	PPCODE:	1306	PPCODE:
748	{	1307	{
749	dREQ;	1308	dREQ;
750		1309
751	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1310	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
752	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1311	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
753	req->sv1 = newSVsv (fh_or_path);	1312	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
754
755	if (SvPOK (fh_or_path))
756	{
757	req->type = EIO_UTIME;
758	req->ptr1 = SvPVbyte_nolen (req->sv1);
759	}
760	else
761	{
762	req->type = EIO_FUTIME;
763	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
764	}
765		1313
766	REQ_SEND;	1314	REQ_SEND;
767	}	1315	}
768		1316
769	void	1317	void
770	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1318	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
771	PPCODE:	1319	PPCODE:
772	{	1320	{
773	dREQ;	1321	dREQ;
774		1322
775	req->sv1 = newSVsv (fh_or_path);
776	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1323	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
777		1324	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
778	if (SvPOK (fh_or_path))
779	{
780	req->type = EIO_TRUNCATE;
781	req->ptr1 = SvPVbyte_nolen (req->sv1);
782	}
783	else
784	{
785	req->type = EIO_FTRUNCATE;
786	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
787	}
788		1325
789	REQ_SEND;	1326	REQ_SEND;
790	}	1327	}
791		1328
792	void	1329	void
793	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1330	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
794	ALIAS:	1331	ALIAS:
795	aio_chmod = EIO_CHMOD	1332	aio_chmod = EIO_CHMOD
796	aio_fchmod = EIO_FCHMOD
797	aio_mkdir = EIO_MKDIR	1333	aio_mkdir = EIO_MKDIR
798	PPCODE:	1334	PPCODE:
799	{	1335	{
800	dREQ;	1336	dREQ;
801		1337
802	req->type = ix;
803	req->int2 = mode;	1338	req->int2 = mode;
804	req->sv1 = newSVsv (fh_or_path);	1339	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
805
806	if (ix == EIO_FCHMOD)
807	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
808	else
809	req->ptr1 = SvPVbyte_nolen (req->sv1);
810		1340
811	REQ_SEND;	1341	REQ_SEND;
812	}	1342	}
813		1343
814	void	1344	void
…		…
817	{	1347	{
818	dREQ;	1348	dREQ;
819		1349
820	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1350	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
821	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1351	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
822	req->sv1 = newSVsv (fh_or_path);	1352	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
823
824	if (SvPOK (fh_or_path))
825	{
826	req->type = EIO_CHOWN;
827	req->ptr1 = SvPVbyte_nolen (req->sv1);
828	}
829	else
830	{
831	req->type = EIO_FCHOWN;
832	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
833	}
834		1353
835	REQ_SEND;	1354	REQ_SEND;
		1355	}
		1356
		1357	void
		1358	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1359	PPCODE:
		1360	{
		1361	dREQ;
		1362
		1363	req->type = EIO_READDIR;
		1364	req->sv1 = newSVsv (pathname);
		1365	req->ptr1 = SvPVbyte_nolen (req->sv1);
		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_SEND;
836	}	1372	}
837		1373
838	void	1374	void
839	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1375	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
840	ALIAS:	1376	ALIAS:
…		…
844	PPCODE:	1380	PPCODE:
845	{	1381	{
846	dREQ;	1382	dREQ;
847		1383
848	req->type = ix;	1384	req->type = ix;
849	req->sv1 = newSVsv (pathname);	1385	req_set_path1 (req, pathname);
850	req->ptr1 = SvPVbyte_nolen (req->sv1);
851		1386
852	REQ_SEND;	1387	REQ_SEND;
853	}	1388	}
854		1389
855	void	1390	void
…		…
859	aio_symlink = EIO_SYMLINK	1394	aio_symlink = EIO_SYMLINK
860	aio_rename = EIO_RENAME	1395	aio_rename = EIO_RENAME
861	PPCODE:	1396	PPCODE:
862	{	1397	{
863	dREQ;	1398	dREQ;
		1399	eio_wd wd2;
864		1400
865	req->type = ix;	1401	req->type = ix;
866	req->sv1 = newSVsv (oldpath);	1402	req_set_path1 (req, oldpath);
867	req->ptr1 = SvPVbyte_nolen (req->sv1);	1403	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
868	req->sv2 = newSVsv (newpath);	1404	req->int3 = (long)wd2;
869	req->ptr2 = SvPVbyte_nolen (req->sv2);
870		1405
871	REQ_SEND;	1406	REQ_SEND;
872	}	1407	}
873		1408
874	void	1409	void
…		…
876	PPCODE:	1411	PPCODE:
877	{	1412	{
878	dREQ;	1413	dREQ;
879		1414
880	req->type = EIO_MKNOD;	1415	req->type = EIO_MKNOD;
881	req->sv1 = newSVsv (pathname);
882	req->ptr1 = SvPVbyte_nolen (req->sv1);
883	req->int2 = (mode_t)mode;	1416	req->int2 = (mode_t)mode;
884	req->offs = dev;	1417	req->offs = dev;
		1418	req_set_path1 (req, pathname);
885		1419
886	REQ_SEND;	1420	REQ_SEND;
887	}	1421	}
888		1422
889	void	1423	void
		1424	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1425	ALIAS:
		1426	aio_mtouch = EIO_MTOUCH
		1427	aio_msync = EIO_MSYNC
		1428	PPCODE:
		1429	{
		1430	STRLEN svlen;
		1431	char *svptr = SvPVbyte (data, svlen);
		1432	UV len = SvUV (length);
		1433
		1434	if (offset < 0)
		1435	offset += svlen;
		1436
		1437	if (offset < 0 || offset > svlen)
		1438	croak ("offset outside of scalar");
		1439
		1440	if (!SvOK (length) || len + offset > svlen)
		1441	len = svlen - offset;
		1442
		1443	{
		1444	dREQ;
		1445
		1446	req->type = ix;
		1447	req->sv2 = SvREFCNT_inc (data);
		1448	req->ptr2 = (char *)svptr + offset;
		1449	req->size = len;
		1450	req->int1 = flags;
		1451
		1452	REQ_SEND;
		1453	}
		1454	}
		1455
		1456	void
		1457	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1458	PPCODE:
		1459	{
		1460	STRLEN svlen;
		1461	char *svptr = SvPVbyte (data, svlen);
		1462	UV len = SvUV (length);
		1463
		1464	if (offset < 0)
		1465	offset += svlen;
		1466
		1467	if (offset < 0 || offset > svlen)
		1468	croak ("offset outside of scalar");
		1469
		1470	if (!SvOK (length) || len + offset > svlen)
		1471	len = svlen - offset;
		1472
		1473	{
		1474	dREQ;
		1475
		1476	req->type = EIO_MLOCK;
		1477	req->sv2 = SvREFCNT_inc (data);
		1478	req->ptr2 = (char *)svptr + offset;
		1479	req->size = len;
		1480
		1481	REQ_SEND;
		1482	}
		1483	}
		1484
		1485	void
		1486	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1487	PPCODE:
		1488	{
		1489	dREQ;
		1490
		1491	req->type = EIO_MLOCKALL;
		1492	req->int1 = flags;
		1493
		1494	REQ_SEND;
		1495	}
		1496
		1497	void
890	aio_busy (double delay, SV *callback=&PL_sv_undef)	1498	aio_busy (double delay, SV *callback=&PL_sv_undef)
891	PPCODE:	1499	PPCODE:
892	{	1500	{
893	dREQ;	1501	dREQ;
894		1502
…		…
898	REQ_SEND;	1506	REQ_SEND;
899	}	1507	}
900		1508
901	void	1509	void
902	aio_group (SV *callback=&PL_sv_undef)	1510	aio_group (SV *callback=&PL_sv_undef)
903	PROTOTYPE: ;$
904	PPCODE:	1511	PPCODE:
905	{	1512	{
906	dREQ;	1513	dREQ;
907		1514
908	req->type = EIO_GROUP;	1515	req->type = EIO_GROUP;
909		1516
910	eio_submit (req);	1517	req_submit (req);
911	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1518	XPUSHs (req_sv (req, aio_grp_stash));
912	}	1519	}
913		1520
914	void	1521	void
915	aio_nop (SV *callback=&PL_sv_undef)	1522	aio_nop (SV *callback=&PL_sv_undef)
916	ALIAS:	1523	ALIAS:
…		…
925	REQ_SEND;	1532	REQ_SEND;
926	}	1533	}
927		1534
928	int	1535	int
929	aioreq_pri (int pri = 0)	1536	aioreq_pri (int pri = 0)
930	PROTOTYPE: ;$
931	CODE:	1537	CODE:
932	RETVAL = next_pri - EIO_PRI_BIAS;	1538	RETVAL = next_pri;
933	if (items > 0)	1539	if (items > 0)
934	{	1540	{
935	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1541	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
936	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1542	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
937	next_pri = pri + EIO_PRI_BIAS;	1543	next_pri = pri;
938	}	1544	}
939	OUTPUT:	1545	OUTPUT:
940	RETVAL	1546	RETVAL
941		1547
942	void	1548	void
943	aioreq_nice (int nice = 0)	1549	aioreq_nice (int nice = 0)
944	CODE:	1550	CODE:
945	nice = next_pri - nice;	1551	nice = next_pri - nice;
946	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1552	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
947	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1553	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
948	next_pri = nice + EIO_PRI_BIAS;	1554	next_pri = nice;
949		1555
950	void	1556	void
951	flush ()	1557	flush ()
952	PROTOTYPE:
953	CODE:	1558	CODE:
954	while (eio_nreqs ())	1559	while (eio_nreqs ())
955	{	1560	{
956	poll_wait ();	1561	poll_wait ();
957	poll_cb ();	1562	poll_cb ();
958	}	1563	}
959		1564
960	int	1565	int
961	poll()	1566	poll ()
962	PROTOTYPE:
963	CODE:	1567	CODE:
964	poll_wait ();	1568	poll_wait ();
965	RETVAL = poll_cb ();	1569	RETVAL = poll_cb ();
966	OUTPUT:	1570	OUTPUT:
967	RETVAL	1571	RETVAL
968		1572
969	int	1573	int
970	poll_fileno()	1574	poll_fileno ()
971	PROTOTYPE:
972	CODE:	1575	CODE:
973	RETVAL = respipe [0];	1576	RETVAL = s_epipe_fd (&respipe);
974	OUTPUT:	1577	OUTPUT:
975	RETVAL	1578	RETVAL
976		1579
977	int	1580	int
978	poll_cb(...)	1581	poll_cb (...)
979	PROTOTYPE:	1582	PROTOTYPE:
980	CODE:	1583	CODE:
981	RETVAL = poll_cb ();	1584	RETVAL = poll_cb ();
982	OUTPUT:	1585	OUTPUT:
983	RETVAL	1586	RETVAL
984		1587
985	void	1588	void
986	poll_wait()	1589	poll_wait ()
987	PROTOTYPE:
988	CODE:	1590	CODE:
989	poll_wait ();	1591	poll_wait ();
990		1592
991	int	1593	int
992	nreqs()	1594	nreqs ()
993	PROTOTYPE:
994	CODE:	1595	CODE:
995	RETVAL = eio_nreqs ();	1596	RETVAL = eio_nreqs ();
996	OUTPUT:	1597	OUTPUT:
997	RETVAL	1598	RETVAL
998		1599
999	int	1600	int
1000	nready()	1601	nready ()
1001	PROTOTYPE:
1002	CODE:	1602	CODE:
1003	RETVAL = eio_nready ();	1603	RETVAL = eio_nready ();
1004	OUTPUT:	1604	OUTPUT:
1005	RETVAL	1605	RETVAL
1006		1606
1007	int	1607	int
1008	npending()	1608	npending ()
1009	PROTOTYPE:
1010	CODE:	1609	CODE:
1011	RETVAL = eio_npending ();	1610	RETVAL = eio_npending ();
1012	OUTPUT:	1611	OUTPUT:
1013	RETVAL	1612	RETVAL
1014		1613
1015	int	1614	int
1016	nthreads()	1615	nthreads ()
1017	PROTOTYPE:
1018	CODE:	1616	CODE:
1019	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1617	RETVAL = eio_nthreads ();
1020	RETVAL = started;
1021	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1022	OUTPUT:	1618	OUTPUT:
1023	RETVAL	1619	RETVAL
1024		1620
		1621	int
		1622	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1623	CODE:
		1624	RETVAL = posix_fadvise (fh, offset, length, advice);
		1625	OUTPUT:
		1626	RETVAL
		1627
		1628	IV
		1629	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1630	CODE:
		1631	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1632	OUTPUT:
		1633	RETVAL
		1634
		1635	void
		1636	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1637	PPCODE:
		1638	sv_unmagic (scalar, MMAP_MAGIC);
		1639	{
		1640	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1641	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1642	if (addr == (void *)-1)
		1643	XSRETURN_NO;
		1644
		1645	sv_force_normal (scalar);
		1646
		1647	/* we store the length in mg_obj, as namlen is I32 :/ */
		1648	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1649	->mg_obj = (SV *)length;
		1650
		1651	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1652
		1653	if (!(prot & PROT_WRITE))
		1654	SvREADONLY_on (scalar);
		1655
		1656	if (SvLEN (scalar))
		1657	Safefree (SvPVX (scalar));
		1658
		1659	SvPVX (scalar) = (char *)addr;
		1660	SvCUR_set (scalar, length);
		1661	SvLEN_set (scalar, 0);
		1662	SvPOK_only (scalar);
		1663
		1664	XSRETURN_YES;
		1665	}
		1666
		1667	void
		1668	munmap (SV *scalar)
		1669	CODE:
		1670	sv_unmagic (scalar, MMAP_MAGIC);
		1671
		1672	int
		1673	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1674	ALIAS:
		1675	mprotect = 1
		1676	CODE:
		1677	{
		1678	STRLEN svlen;
		1679	void *addr = SvPVbyte (scalar, svlen);
		1680	size_t len = SvUV (length);
		1681
		1682	if (offset < 0)
		1683	offset += svlen;
		1684
		1685	if (offset < 0 || offset > svlen)
		1686	croak ("offset outside of scalar");
		1687
		1688	if (!SvOK (length) || len + offset > svlen)
		1689	len = svlen - offset;
		1690
		1691	addr = (void *)(((intptr_t)addr) + offset);
		1692	eio_page_align (&addr, &len);
		1693
		1694	switch (ix)
		1695	{
		1696	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1697	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1698	}
		1699	}
		1700	OUTPUT:
		1701	RETVAL
		1702
		1703	int
		1704	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1705	CODE:
		1706	{
		1707	STRLEN svlen;
		1708	void *addr = SvPVbyte (scalar, svlen);
		1709	size_t len = SvUV (length);
		1710
		1711	if (offset < 0)
		1712	offset += svlen;
		1713
		1714	if (offset < 0 || offset > svlen)
		1715	croak ("offset outside of scalar");
		1716
		1717	if (!SvOK (length) || len + offset > svlen)
		1718	len = svlen - offset;
		1719
		1720	addr = (void *)(((intptr_t)addr) + offset);
		1721	eio_page_align (&addr, &len);
		1722	#if _POSIX_MEMLOCK_RANGE
		1723	RETVAL = munlock (addr, len);
		1724	#else
		1725	RETVAL = ((errno = ENOSYS), -1);
		1726	#endif
		1727	}
		1728	OUTPUT:
		1729	RETVAL
		1730
		1731	int
		1732	munlockall ()
		1733	CODE:
		1734	#if _POSIX_MEMLOCK
		1735	munlockall ();
		1736	#else
		1737	RETVAL = -1;
		1738	errno = ENOSYS;
		1739	#endif
		1740	OUTPUT:
		1741	RETVAL
		1742
1025	void _on_next_submit (SV *cb)	1743	void _on_next_submit (SV *cb)
1026	CODE:	1744	CODE:
1027	SvREFCNT_dec (on_next_submit);	1745	SvREFCNT_dec (on_next_submit);
1028	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1746	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1029		1747
1030	PROTOTYPES: DISABLE	1748	PROTOTYPES: DISABLE
1031		1749
		1750	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1751
		1752	BOOT:
		1753	{
		1754	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1755	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1756	}
		1757
		1758	void
		1759	DESTROY (SV *self)
		1760	CODE:
		1761	{
		1762	aio_wd wd = SvAIO_WD (self);
		1763	#if HAVE_AT
		1764	SV *callback = &PL_sv_undef;
		1765	dREQ; /* clobbers next_pri :/ */
		1766	req->type = EIO_WD_CLOSE;
		1767	req->wd = wd;
		1768	REQ_SEND;
		1769	#else
		1770	eio_wd_close_sync (wd);
		1771	#endif
		1772	}
		1773
1032	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1774	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1033		1775
1034	void	1776	void
1035	cancel (aio_req_ornot req)	1777	cancel (aio_req_ornot req)
1036	CODE:	1778	CODE:
1037	eio_cancel (req);	1779	eio_cancel (req);
1038		1780
1039	void	1781	void
1040	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1782	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1041	CODE:	1783	PPCODE:
		1784	{
		1785	if (GIMME_V != G_VOID)
		1786	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1787
		1788	if (items > 1)
		1789	{
		1790	SV *cb_cv =get_cb (callback);
		1791
1042	SvREFCNT_dec (req->callback);	1792	SvREFCNT_dec (req->callback);
1043	req->callback = newSVsv (callback);	1793	req->callback = SvREFCNT_inc (cb_cv);
		1794	}
		1795	}
1044		1796
1045	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1797	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1046		1798
1047	void	1799	void
1048	add (aio_req grp, ...)	1800	add (aio_req grp, ...)
…		…
1080	AV *av;	1832	AV *av;
1081		1833
1082	grp->errorno = errno;	1834	grp->errorno = errno;
1083		1835
1084	av = newAV ();	1836	av = newAV ();
		1837	av_extend (av, items - 1);
1085		1838
1086	for (i = 1; i < items; ++i )	1839	for (i = 1; i < items; ++i )
1087	av_push (av, newSVsv (ST (i)));	1840	av_push (av, newSVsv (ST (i)));
1088		1841
1089	SvREFCNT_dec (grp->sv1);	1842	SvREFCNT_dec (grp->sv1);
…		…
1103	void	1856	void
1104	feed (aio_req grp, SV *callback=&PL_sv_undef)	1857	feed (aio_req grp, SV *callback=&PL_sv_undef)
1105	CODE:	1858	CODE:
1106	{	1859	{
1107	SvREFCNT_dec (grp->sv2);	1860	SvREFCNT_dec (grp->sv2);
1108	grp->sv2 = newSVsv (callback);	1861	grp->sv2 = newSVsv (callback);
		1862	grp->feed = aio_grp_feed;
1109		1863
1110	if (grp->int2 <= 0)	1864	if (grp->int2 <= 0)
1111	grp->int2 = 2;	1865	grp->int2 = 2;
1112		1866
1113	eio_grp_limit (grp, grp->int2);	1867	eio_grp_limit (grp, grp->int2);

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