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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.118 by root, Sun May 11 00:01:03 2008 UTC vs.
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
17		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
18	/* perl namespace pollution */	24	/* perl namespace pollution */
19	#undef VERSION	25	#undef VERSION
20		26
		27	/* perl stupidly overrides readdir and maybe others */
		28	/* with thread-unsafe versions, imagine that :( */
		29	#undef readdir
		30	#undef opendir
		31	#undef closedir
		32
21	#ifdef _WIN32	33	#ifdef _WIN32
22		34
23	# define EIO_STRUCT_DIRENT Direntry_t
24	# undef malloc
25	# undef free
26
27	// perl overrides all those nice win32 functions	35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
28	# undef open	39	#undef open
29	# undef read	40	#undef read
30	# undef write	41	#undef write
31	# undef send	42	#undef send
32	# undef recv	43	#undef recv
33	# undef stat	44	#undef stat
		45	#undef lstat
34	# undef fstat	46	#undef fstat
35	# define lstat stat
36	# undef truncate	47	#undef truncate
37	# undef ftruncate	48	#undef ftruncate
38	# undef open	49	#undef open
		50	#undef link
39	# undef close	51	#undef close
40	# undef unlink	52	#undef unlink
		53	#undef mkdir
41	# undef rmdir	54	#undef rmdir
42	# undef rename	55	#undef rename
43	# undef lseek	56	#undef lseek
44		57	#undef opendir
45	# define chown(a,b,c) (errno = ENOSYS, -1)	58	#undef readdir
46	# define fchown(a,b,c) (errno = ENOSYS, -1)	59	#undef closedir
47	# define fchmod(a,b) (errno = ENOSYS, -1)	60	#undef chmod
48	# define symlink(a,b) (errno = ENOSYS, -1)	61	#undef fchmod
49	# define readlink(a,b,c) (errno = ENOSYS, -1)	62	#undef dup
50	# define mknod(a,b,c) (errno = ENOSYS, -1)	63	#undef dup2
51	# define truncate(a,b) (errno = ENOSYS, -1)	64	#undef abort
52	# define ftruncate(fd,o) chsize ((fd), (o))	65	#undef pipe
53	# define fsync(fd) _commit (fd)
54	# define opendir(fd) (errno = ENOSYS, 0)
55	# define readdir(fd) (errno = ENOSYS, -1)
56	# define closedir(fd) (errno = ENOSYS, -1)
57	# define mkdir(a,b) mkdir (a)
58		66
59	#else	67	#else
60		68
61	# include <sys/time.h>	69	#include <sys/time.h>
62	# include <sys/select.h>	70	#include <sys/select.h>
63	# include <unistd.h>	71	#include <unistd.h>
64	# include <utime.h>	72	#include <utime.h>
65	# include <signal.h>	73	#include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent
67		74
68	#endif	75	#endif
69		76
70	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
71		78
72	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
73	#if IVSIZE >= 8	80	#if IVSIZE >= 8
		81	# define VAL64 IV
74	# define SvVAL64 SvIV	82	# define SvVAL64 SvIV
		83	# define newSVval64 newSViv
75	#else	84	#else
		85	# define VAL64 NV
76	# define SvVAL64 SvNV	86	# define SvVAL64 SvNV
		87	# define newSVval64 newSVnv
77	#endif	88	#endif
78		89
79	static HV *stash;	90	/*****************************************************************************/
		91
		92	#if __GNUC__ >= 3
		93	# define expect(expr,value) __builtin_expect ((expr),(value))
		94	#else
		95	# define expect(expr,value) (expr)
		96	#endif
		97
		98	#define expect_false(expr) expect ((expr) != 0, 0)
		99	#define expect_true(expr) expect ((expr) != 0, 1)
		100
		101	/*****************************************************************************/
		102
80	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
		104	typedef int aio_rfd; /* read file desriptor */
		105	typedef int aio_wfd; /* write file descriptor */
81		106
82	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
83	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		108
85	#define EIO_COMMON \	109	#define EIO_REQ_MEMBERS \
86	SV *callback; \	110	SV *callback; \
87	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
88	STRLEN stroffset; \	113	STRLEN stroffset; \
89	SV *self	114	SV *self;
90		115
		116	#define EIO_NO_WRAPPERS 1
		117
		118	#include "libeio/config.h"
91	#include "libeio/eio.h"	119	#include "libeio/eio.h"
92		120
93	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
94	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
95	static void aio_grp_feed (eio_req *grp);
96	#define EIO_FEED(req) aio_grp_feed (req)
97	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
98	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
		125
		126	#include "libeio/eio.c"
		127
		128	/* Linux/others */
		129	#ifndef O_ASYNC
		130	# define O_ASYNC 0
		131	#endif
		132	#ifndef O_DIRECT
		133	# define O_DIRECT 0
		134	#endif
		135	#ifndef O_NOATIME
		136	# define O_NOATIME 0
		137	#endif
		138
		139	/* POSIX */
		140	#ifndef O_CLOEXEC
		141	# define O_CLOEXEC 0
		142	#endif
		143	#ifndef O_NOFOLLOW
		144	# define O_NOFOLLOW 0
		145	#endif
		146	#ifndef O_NOCTTY
		147	# define O_NOCTTY 0
		148	#endif
		149	#ifndef O_NONBLOCK
		150	# define O_NONBLOCK 0
		151	#endif
		152	#ifndef O_EXEC
		153	# define O_EXEC 0
		154	#endif
		155	#ifndef O_SEARCH
		156	# define O_SEARCH 0
		157	#endif
		158	#ifndef O_DIRECTORY
		159	# define O_DIRECTORY 0
		160	#endif
		161	#ifndef O_DSYNC
		162	# define O_DSYNC 0
		163	#endif
		164	#ifndef O_RSYNC
		165	# define O_RSYNC 0
		166	#endif
		167	#ifndef O_SYNC
		168	# define O_SYNC 0
		169	#endif
		170	#ifndef O_TTY_INIT
		171	# define O_TTY_INIT 0
		172	#endif
		173
		174	#ifndef POSIX_FADV_NORMAL
		175	# define POSIX_FADV_NORMAL 0
		176	#endif
		177	#ifndef POSIX_FADV_SEQUENTIAL
		178	# define POSIX_FADV_SEQUENTIAL 0
		179	#endif
		180	#ifndef POSIX_FADV_RANDOM
		181	# define POSIX_FADV_RANDOM 0
		182	#endif
		183	#ifndef POSIX_FADV_NOREUSE
		184	# define POSIX_FADV_NOREUSE 0
		185	#endif
		186	#ifndef POSIX_FADV_WILLNEED
		187	# define POSIX_FADV_WILLNEED 0
		188	#endif
		189	#ifndef POSIX_FADV_DONTNEED
		190	# define POSIX_FADV_DONTNEED 0
		191	#endif
		192
		193	#if !HAVE_POSIX_FADVISE
		194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		195	#endif
		196
		197	#ifndef POSIX_MADV_NORMAL
		198	# define POSIX_MADV_NORMAL 0
		199	#endif
		200	#ifndef POSIX_MADV_SEQUENTIAL
		201	# define POSIX_MADV_SEQUENTIAL 0
		202	#endif
		203	#ifndef POSIX_MADV_RANDOM
		204	# define POSIX_MADV_RANDOM 0
		205	#endif
		206	#ifndef POSIX_MADV_WILLNEED
		207	# define POSIX_MADV_WILLNEED 0
		208	#endif
		209	#ifndef POSIX_MADV_DONTNEED
		210	# define POSIX_MADV_DONTNEED 0
		211	#endif
		212
		213	#if !HAVE_POSIX_MADVISE
		214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		215	#endif
		216
		217	#ifndef PROT_NONE
		218	# define PROT_NONE 0
		219	#endif
		220	#ifndef PROT_READ
		221	# define PROT_READ 0
		222	#endif
		223	#ifndef PROT_WRITE
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_EXEC
		227	# define PROT_EXEC 0
		228	#endif
		229
		230	#ifndef ST_RDONLY
		231	# define ST_RDONLY 0
		232	#endif
		233	#ifndef ST_NOSUID
		234	# define ST_NOSUID 0
		235	#endif
		236	#ifndef ST_NODEV
		237	# define ST_NODEV 0
		238	#endif
		239	#ifndef ST_NOEXEC
		240	# define ST_NOEXEC 0
		241	#endif
		242	#ifndef ST_SYNCHRONOUS
		243	# define ST_SYNCHRONOUS 0
		244	#endif
		245	#ifndef ST_MANDLOCK
		246	# define ST_MANDLOCK 0
		247	#endif
		248	#ifndef ST_WRITE
		249	# define ST_WRITE 0
		250	#endif
		251	#ifndef ST_APPEND
		252	# define ST_APPEND 0
		253	#endif
		254	#ifndef ST_IMMUTABLE
		255	# define ST_IMMUTABLE 0
		256	#endif
		257	#ifndef ST_NOATIME
		258	# define ST_NOATIME 0
		259	#endif
		260	#ifndef ST_NODIRATIME
		261	# define ST_NODIRATIME 0
		262	#endif
		263	#ifndef ST_RELATIME
		264	# define ST_RELATIME 0
		265	#endif
		266
		267	#ifndef S_IFIFO
		268	# define S_IFIFO 0
		269	#endif
		270	#ifndef S_IFCHR
		271	# define S_IFCHR 0
		272	#endif
		273	#ifndef S_IFBLK
		274	# define S_IFBLK 0
		275	#endif
		276	#ifndef S_IFLNK
		277	# define S_IFLNK 0
		278	#endif
		279	#ifndef S_IFREG
		280	# define S_IFREG 0
		281	#endif
		282	#ifndef S_IFDIR
		283	# define S_IFDIR 0
		284	#endif
		285	#ifndef S_IFWHT
		286	# define S_IFWHT 0
		287	#endif
		288	#ifndef S_IFSOCK
		289	# define S_IFSOCK 0
		290	#endif
		291
		292	#ifndef MAP_ANONYMOUS
		293	# ifdef MAP_ANON
		294	# define MAP_ANONYMOUS MAP_ANON
		295	# else
		296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		297	# endif
		298	#endif
		299	#ifndef MAP_HUGETLB
		300	# define MAP_HUGETLB 0
		301	#endif
		302	#ifndef MAP_LOCKED
		303	# define MAP_LOCKED 0
		304	#endif
		305	#ifndef MAP_NORESERVE
		306	# define MAP_NORESERVE 0
		307	#endif
		308	#ifndef MAP_POPULATE
		309	# define MAP_POPULATE 0
		310	#endif
		311	#ifndef MAP_NONBLOCK
		312	# define MAP_NONBLOCK 0
		313	#endif
		314
		315	#ifndef makedev
		316	# define makedev(maj,min) (((maj) << 8) | (min))
		317	#endif
		318	#ifndef major
		319	# define major(dev) ((dev) >> 8)
		320	#endif
		321	#ifndef minor
		322	# define minor(dev) ((dev) & 0xff)
		323	#endif
		324
		325	#ifndef PAGESIZE
		326	# define PAGESIZE sysconf (_SC_PAGESIZE)
		327	#endif
99		328
100	enum {	329	enum {
101	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
102	};	331	};
103		332
104	#include "libeio/eio.c"
105
106	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
107	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd *aio_wd;
108		336
109	static SV *on_next_submit;	337	static SV *on_next_submit;
110	static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS;	338	static int next_pri = EIO_PRI_DEFAULT;
111	static int max_outstanding;	339	static int max_outstanding;
112		340
113	static int respipe_osf [2], respipe [2] = { -1, -1 };	341	static s_epipe respipe;
114		342
115	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
116	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
117		345
118	static void want_poll (void)	346	static void want_poll (void)
119	{	347	{
120	/* write a dummy byte to the pipe so fh becomes ready */	348	/* write a dummy byte to the pipe so fh becomes ready */
121	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	349	s_epipe_signal (&respipe);
122	}	350	}
123		351
124	static void done_poll (void)	352	static void done_poll (void)
125	{	353	{
126	/* read any signals sent by the worker threads */	354	/* read any signals sent by the worker threads */
127	char buf [4];	355	s_epipe_drain (&respipe);
128	while (respipe_read (respipe [0], buf, 4) == 4)
129	;
130	}	356	}
131		357
132	/* must be called at most once */	358	/* must be called at most once */
133	static SV *req_sv (aio_req req, const char *klass)	359	static SV *req_sv (aio_req req, HV *stash)
134	{	360	{
135	if (!req->self)	361	if (!req->self)
136	{	362	{
137	req->self = (SV *)newHV ();	363	req->self = (SV *)newHV ();
138	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
139	}	365	}
140		366
141	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
142	}	368	}
143		369
144	static aio_req SvAIO_REQ (SV *sv)	370	static aio_req SvAIO_REQ (SV *sv)
145	{	371	{
146	MAGIC *mg;	372	MAGIC *mg;
147		373
148	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	374	if (!SvROK (sv)
		375	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		376	&& SvSTASH (SvRV (sv)) != aio_req_stash
		377	&& !sv_derived_from (sv, "IO::AIO::REQ")))
149	croak ("object of class " AIO_REQ_KLASS " expected");	378	croak ("object of class IO::AIO::REQ expected");
150		379
151	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
152		381
153	return mg ? (aio_req)mg->mg_ptr : 0;	382	return mg ? (aio_req)mg->mg_ptr : 0;
		383	}
		384
		385	static aio_wd SvAIO_WD (SV *sv)
		386	{
		387	if (!SvROK (sv)
		388	|| SvSTASH (SvRV (sv)) != aio_wd_stash
		389	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
		390	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		391
		392	return (aio_wd)(long)SvIVX (SvRV (sv));
154	}	393	}
155		394
156	static void aio_grp_feed (aio_req grp)	395	static void aio_grp_feed (aio_req grp)
157	{	396	{
158	if (grp->sv2 && SvOK (grp->sv2))	397	if (grp->sv2 && SvOK (grp->sv2))
…		…
160	dSP;	399	dSP;
161		400
162	ENTER;	401	ENTER;
163	SAVETMPS;	402	SAVETMPS;
164	PUSHMARK (SP);	403	PUSHMARK (SP);
165	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	404	XPUSHs (req_sv (grp, aio_grp_stash));
166	PUTBACK;	405	PUTBACK;
167	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	406	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
168	SPAGAIN;	407	SPAGAIN;
169	FREETMPS;	408	FREETMPS;
170	LEAVE;	409	LEAVE;
…		…
173		412
174	static void req_submit (eio_req *req)	413	static void req_submit (eio_req *req)
175	{	414	{
176	eio_submit (req);	415	eio_submit (req);
177		416
178	if (on_next_submit)	417	if (expect_false (on_next_submit))
179	{	418	{
180	dSP;	419	dSP;
181	SV *cb = sv_2mortal (on_next_submit);	420	SV *cb = sv_2mortal (on_next_submit);
182		421
183	on_next_submit = 0;	422	on_next_submit = 0;
…		…
188	}	427	}
189	}	428	}
190		429
191	static int req_invoke (eio_req *req)	430	static int req_invoke (eio_req *req)
192	{	431	{
193	dSP;
194
195	if (req->flags & FLAG_SV2_RO_OFF)	432	if (req->flags & FLAG_SV2_RO_OFF)
196	SvREADONLY_off (req->sv2);	433	SvREADONLY_off (req->sv2);
197		434
198	if (!EIO_CANCELLED (req) && SvOK (req->callback))	435	if (!EIO_CANCELLED (req) && req->callback)
199	{	436	{
		437	dSP;
		438	static SV *sv_result_cache; /* caches the result integer SV */
		439	SV *sv_result;
		440
200	ENTER;	441	ENTER;
201	SAVETMPS;	442	SAVETMPS;
202	PUSHMARK (SP);	443	PUSHMARK (SP);
203	EXTEND (SP, 1);	444	EXTEND (SP, 1);
204		445
		446	/* do not recreate the result IV from scratch each time */
		447	if (expect_true (sv_result_cache))
		448	{
		449	sv_result = sv_result_cache; sv_result_cache = 0;
		450	SvIV_set (sv_result, req->result);
		451	SvIOK_only (sv_result);
		452	}
		453	else
		454	{
		455	sv_result = newSViv (req->result);
		456	SvREADONLY_on (sv_result);
		457	}
		458
205	switch (req->type)	459	switch (req->type)
206	{	460	{
		461	case EIO_WD_OPEN:
		462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));
		463	break;
		464
207	case EIO_READDIR:	465	case EIO_READDIR:
208	{	466	{
209	SV *rv = &PL_sv_undef;	467	SV *rv = &PL_sv_undef;
210		468
211	if (req->result >= 0)	469	if (req->result >= 0)
212	{	470	{
213	int i;	471	int i;
214	char *buf = req->ptr2;	472	char *names = (char *)req->ptr2;
		473	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
215	AV *av = newAV ();	474	AV *av = newAV ();
216		475
217	av_extend (av, req->result - 1);	476	av_extend (av, req->result - 1);
218		477
219	for (i = 0; i < req->result; ++i)	478	for (i = 0; i < req->result; ++i)
220	{	479	{
221	SV *sv = newSVpv (buf, 0);	480	if (req->int1 & EIO_READDIR_DENTS)
		481	{
		482	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
222		483
		484	if (req->int1 & EIO_READDIR_CUSTOM2)
		485	{
		486	static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
		487	AV *avent = newAV ();
		488
		489	av_extend (avent, 2);
		490
		491	if (!sv_type [ent->type])
		492	{
		493	sv_type [ent->type] = newSViv (ent->type);
		494	SvREADONLY_on (sv_type [ent->type]);
		495	}
		496
		497	av_store (avent, 0, namesv);
		498	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		499	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		500
		501	av_store (av, i, newRV_noinc ((SV *)avent));
		502	}
		503	else
223	av_store (av, i, sv);	504	av_store (av, i, namesv);
		505
		506	++ent;
		507	}
		508	else
		509	{
		510	SV *name = newSVpv (names, 0);
		511	av_store (av, i, name);
224	buf += SvCUR (sv) + 1;	512	names += SvCUR (name) + 1;
		513	}
225	}	514	}
226		515
227	rv = sv_2mortal (newRV_noinc ((SV *)av));	516	rv = sv_2mortal (newRV_noinc ((SV *)av));
228	}	517	}
229		518
230	PUSHs (rv);	519	PUSHs (rv);
		520
		521	if (req->int1 & EIO_READDIR_CUSTOM1)
		522	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
231	}	523	}
232	break;	524	break;
233		525
234	case EIO_OPEN:	526	case EIO_OPEN:
235	{	527	{
…		…
241	GV *gv = (GV *)sv_newmortal ();	533	GV *gv = (GV *)sv_newmortal ();
242	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	534	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
243	char sym [64];	535	char sym [64];
244	int symlen;	536	int symlen;
245		537
246	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	538	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
247	gv_init (gv, stash, sym, symlen, 0);	539	gv_init (gv, aio_stash, sym, symlen, 0);
248		540
249	symlen = snprintf (	541	symlen = snprintf (
250	sym,	542	sym,
251	sizeof (sym),	543	sizeof (sym),
252	"%s&=%d",	544	"%s&=%d",
253	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	545	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
254	req->result	546	(int)req->result
255	);	547	);
256		548
257	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	549	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
258	fh = (SV *)gv;	550	fh = (SV *)gv;
259	}	551	}
260		552
261	PUSHs (fh);	553	PUSHs (fh);
262	}	554	}
		555	break;
		556
		557	case EIO_STATVFS:
		558	case EIO_FSTATVFS:
		559	{
		560	SV *rv = &PL_sv_undef;
		561
		562	#ifndef _WIN32
		563	if (req->result >= 0)
		564	{
		565	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		566	HV *hv = newHV ();
		567
		568	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		569
		570	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		571	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		572	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		573	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		574	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		575	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		576	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		577	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		578	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		579	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		580	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		581	}
		582	#endif
		583
		584	PUSHs (rv);
		585	}
		586
263	break;	587	break;
264		588
265	case EIO_GROUP:	589	case EIO_GROUP:
266	req->int1 = 2; /* mark group as finished */	590	req->int1 = 2; /* mark group as finished */
267		591
…		…
279	case EIO_NOP:	603	case EIO_NOP:
280	case EIO_BUSY:	604	case EIO_BUSY:
281	break;	605	break;
282		606
283	case EIO_READLINK:	607	case EIO_READLINK:
		608	case EIO_REALPATH:
284	if (req->result > 0)	609	if (req->result > 0)
285	{	610	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
286	SvCUR_set (req->sv2, req->result);
287	*SvEND (req->sv2) = 0;
288	PUSHs (req->sv2);
289	}
290	break;	611	break;
291		612
292	case EIO_STAT:	613	case EIO_STAT:
293	case EIO_LSTAT:	614	case EIO_LSTAT:
294	case EIO_FSTAT:	615	case EIO_FSTAT:
295	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
296	PL_laststatval = req->result;	617	PL_laststatval = req->result;
		618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
297	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	619	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
298	PUSHs (sv_2mortal (newSViv (req->result)));	620	PUSHs (sv_result);
299	break;	621	break;
300		622
301	case EIO_READ:	623	case EIO_READ:
		624	{
302	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	625	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
303	*SvEND (req->sv2) = 0;	626	*SvEND (req->sv2) = 0;
304	PUSHs (sv_2mortal (newSViv (req->result)));	627	SvPOK_only (req->sv2);
		628	SvSETMAGIC (req->sv2);
		629	PUSHs (sv_result);
		630	}
305	break;	631	break;
306		632
307	case EIO_DUP2:	633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
308	if (req->result > 0)	634	if (req->result > 0)
309	req->result = 0;	635	SvIV_set (sv_result, 0);
310	/* FALLTHROUGH */	636	/* FALLTHROUGH */
311		637
312	default:	638	default:
313	PUSHs (sv_2mortal (newSViv (req->result)));	639	PUSHs (sv_result);
314	break;	640	break;
315	}	641	}
316		642
317	errno = req->errorno;	643	errno = req->errorno;
318		644
319	PUTBACK;	645	PUTBACK;
320	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	646	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
321	SPAGAIN;	647	SPAGAIN;
		648
		649	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		650	SvREFCNT_dec (sv_result);
		651	else
		652	sv_result_cache = sv_result;
322		653
323	FREETMPS;	654	FREETMPS;
324	LEAVE;	655	LEAVE;
325		656
326	PUTBACK;	657	PUTBACK;
…		…
337	SvREFCNT_dec (req->self);	668	SvREFCNT_dec (req->self);
338	}	669	}
339		670
340	SvREFCNT_dec (req->sv1);	671	SvREFCNT_dec (req->sv1);
341	SvREFCNT_dec (req->sv2);	672	SvREFCNT_dec (req->sv2);
		673	SvREFCNT_dec (req->sv3);
		674	SvREFCNT_dec (req->sv4);
342	SvREFCNT_dec (req->callback);	675	SvREFCNT_dec (req->callback);
343		676
344	Safefree (req);	677	Safefree (req);
345	}	678	}
346		679
347	static void req_cancel_subs (aio_req grp)	680	static void req_cancel_subs (aio_req grp)
348	{	681	{
349	aio_req sub;
350
351	if (grp->type != EIO_GROUP)	682	if (grp->type != EIO_GROUP)
352	return;	683	return;
353		684
354	SvREFCNT_dec (grp->sv2);	685	SvREFCNT_dec (grp->sv2);
355	grp->sv2 = 0;	686	grp->sv2 = 0;
356		687
357	eio_grp_cancel (grp);	688	eio_grp_cancel (grp);
358	}	689	}
359		690
360	#ifdef USE_SOCKETS_AS_HANDLES
361	# define TO_SOCKET(x) (win32_get_osfhandle (x))
362	#else
363	# define TO_SOCKET(x) (x)
364	#endif
365
366	static void
367	create_respipe (void)	691	static void create_respipe (void)
368	{	692	{
369	int old_readfd = respipe [0];
370
371	if (respipe [1] >= 0)
372	respipe_close (TO_SOCKET (respipe [1]));
373
374	#ifdef _WIN32
375	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
376	#else
377	if (pipe (respipe))	693	if (s_epipe_renew (&respipe))
378	#endif
379	croak ("unable to initialize result pipe");	694	croak ("IO::AIO: unable to initialize result pipe");
380
381	if (old_readfd >= 0)
382	{
383	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
384	croak ("unable to initialize result pipe(2)");
385
386	respipe_close (respipe [0]);
387	respipe [0] = old_readfd;
388	}
389
390	#ifdef _WIN32
391	int arg = 1;
392	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
393	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
394	#else
395	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
396	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
397	#endif
398	croak ("unable to initialize result pipe(3)");
399
400	respipe_osf [0] = TO_SOCKET (respipe [0]);
401	respipe_osf [1] = TO_SOCKET (respipe [1]);
402	}	695	}
403		696
404	static void poll_wait (void)	697	static void poll_wait (void)
405	{	698	{
406	fd_set rfd;
407
408	while (eio_nreqs ())	699	while (eio_nreqs ())
409	{	700	{
410	int size;	701	int size;
411		702
412	X_LOCK (reslock);	703	X_LOCK (reslock);
…		…
414	X_UNLOCK (reslock);	705	X_UNLOCK (reslock);
415		706
416	if (size)	707	if (size)
417	return;	708	return;
418		709
419	maybe_start_thread ();	710	etp_maybe_start_thread ();
420		711
421	FD_ZERO (&rfd);	712	s_epipe_wait (&respipe);
422	FD_SET (respipe [0], &rfd);
423
424	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
425	}	713	}
426	}	714	}
427		715
428	static int poll_cb (void)	716	static int poll_cb (void)
429	{	717	{
430	int res;	718	for (;;)
431
432	do
433	{	719	{
434	res = eio_poll ();	720	int res = eio_poll ();
435		721
436	if (res > 0)	722	if (res > 0)
437	croak (0);	723	croak (0);
		724
		725	if (!max_outstanding || max_outstanding > eio_nreqs ())
		726	return res;
		727
		728	poll_wait ();
438	}	729	}
439	while (max_outstanding && max_outstanding <= eio_nreqs ());
440
441	return res;
442	}	730	}
443		731
444	static void atfork_child (void)	732	static void ecb_cold
		733	reinit (void)
445	{	734	{
446	create_respipe ();	735	create_respipe ();
		736
		737	if (eio_init (want_poll, done_poll) < 0)
		738	croak ("IO::AIO: unable to initialise eio library");
		739	}
		740
		741	/*****************************************************************************/
		742
		743	#if !_POSIX_MAPPED_FILES
		744	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		745	# define munmap(addr,length) (errno = ENOSYS, -1)
		746	#endif
		747
		748	#if !_POSIX_MEMORY_PROTECTION
		749	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		750	# define PROT_NONE 0
		751	# define PROT_WRITE 0
		752	# define MAP_PRIVATE 0
		753	# define MAP_SHARED 0
		754	# define MAP_FIXED 0
		755	#endif
		756
		757	#define MMAP_MAGIC PERL_MAGIC_ext
		758
		759	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		760	{
		761	int old_errno = errno;
		762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		763	errno = old_errno;
		764
		765	mg->mg_obj = 0; /* just in case */
		766
		767	SvREADONLY_off (sv);
		768
		769	if (SvPVX (sv) != mg->mg_ptr)
		770	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		771
		772	SvCUR_set (sv, 0);
		773	SvPVX (sv) = 0;
		774	SvOK_off (sv);
		775
		776	return 0;
		777	}
		778
		779	static MGVTBL mmap_vtbl = {
		780	0, 0, 0, 0, mmap_free
		781	};
		782
		783	/*****************************************************************************/
		784
		785	static SV * get_cb (SV *cb_sv)
		786	{
		787	SvGETMAGIC (cb_sv);
		788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
447	}	789	}
448		790
449	#define dREQ \	791	#define dREQ \
		792	SV *cb_cv; \
450	aio_req req; \	793	aio_req req; \
451	int req_pri = next_pri; \	794	int req_pri = next_pri; \
452	next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \	795	next_pri = EIO_PRI_DEFAULT; \
453	\	796	\
454	if (SvOK (callback) && !SvROK (callback)) \	797	cb_cv = get_cb (callback); \
455	croak ("callback must be undef or of reference type"); \
456	\	798	\
457	Newz (0, req, 1, eio_req); \	799	Newz (0, req, 1, eio_req); \
458	if (!req) \	800	if (!req) \
459	croak ("out of memory during eio_req allocation"); \	801	croak ("out of memory during eio_req allocation"); \
460	\	802	\
461	req->callback = newSVsv (callback); \	803	req->callback = SvREFCNT_inc (cb_cv); \
462	req->pri = req_pri	804	req->pri = req_pri
463		805
464	#define REQ_SEND \	806	#define REQ_SEND \
		807	PUTBACK; \
465	req_submit (req); \	808	req_submit (req); \
		809	SPAGAIN; \
466	\	810	\
467	if (GIMME_V != G_VOID) \	811	if (GIMME_V != G_VOID) \
468	XPUSHs (req_sv (req, AIO_REQ_KLASS));	812	XPUSHs (req_sv (req, aio_req_stash));
469		813
		814	static void
		815	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		816	{
		817	if (SvROK (path))
		818	{
		819	AV *av = (AV *)SvRV (path);
		820	SV *wdob;
		821
		822	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		824
		825	path = AvARRAY (av)[1];
		826	wdob = AvARRAY (av)[0];
		827
		828	*wd = SvAIO_WD (wdob);
		829	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		830	}
		831
		832	*pathsv = newSVsv (path);
		833	*ptr = SvPVbyte_nolen (*pathsv);
		834	}
		835
		836	static void
		837	req_set_path1 (aio_req req, SV *path)
		838	{
		839	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		840	}
		841
		842	static void
		843	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		844	{
		845	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		846
		847	switch (SvTYPE (rv))
		848	{
		849	case SVt_PVIO:
		850	case SVt_PVLV:
		851	case SVt_PVGV:
		852	req->type = type_fh;
		853	req->sv1 = newSVsv (fh_or_path);
		854	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		855	break;
		856
		857	default:
		858	req->type = type_path;
		859	req_set_path1 (req, fh_or_path);
		860	break;
		861	}
		862
		863	}
		864
470	MODULE = IO::AIO PACKAGE = IO::AIO	865	MODULE = IO::AIO PACKAGE = IO::AIO
471		866
472	PROTOTYPES: ENABLE	867	PROTOTYPES: ENABLE
473		868
474	BOOT:	869	BOOT:
475	{	870	{
		871	static const struct {
		872	const char *name;
		873	IV iv;
		874	} *civ, const_iv[] = {
		875	# define const_niv(name, value) { # name, (IV) value },
		876	# define const_iv(name) { # name, (IV) name },
		877	# define const_eio(name) { # name, (IV) EIO_ ## name },
		878	const_iv (EXDEV)
		879	const_iv (ENOSYS)
		880	const_iv (O_RDONLY)
		881	const_iv (O_WRONLY)
		882	const_iv (O_RDWR)
		883	const_iv (O_CREAT)
		884	const_iv (O_TRUNC)
		885	const_iv (O_EXCL)
		886	const_iv (O_APPEND)
		887
		888	const_iv (O_ASYNC)
		889	const_iv (O_DIRECT)
		890	const_iv (O_NOATIME)
		891
		892	const_iv (O_CLOEXEC)
		893	const_iv (O_NOCTTY)
		894	const_iv (O_NOFOLLOW)
		895	const_iv (O_NONBLOCK)
		896	const_iv (O_EXEC)
		897	const_iv (O_SEARCH)
		898	const_iv (O_DIRECTORY)
		899	const_iv (O_DSYNC)
		900	const_iv (O_RSYNC)
		901	const_iv (O_SYNC)
		902	const_iv (O_TTY_INIT)
		903
		904	const_iv (S_IFIFO)
		905	const_iv (S_IFCHR)
		906	const_iv (S_IFBLK)
		907	const_iv (S_IFLNK)
		908	const_iv (S_IFREG)
		909	const_iv (S_IFDIR)
		910	const_iv (S_IFWHT)
		911	const_iv (S_IFSOCK)
		912	const_iv (S_IFMT)
		913
		914	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		915	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		916	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		917	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		918	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		919	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		920
		921	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		922	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		923	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		924	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		925	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		926
		927	const_iv (ST_RDONLY)
		928	const_iv (ST_NOSUID)
		929	const_iv (ST_NODEV)
		930	const_iv (ST_NOEXEC)
		931	const_iv (ST_SYNCHRONOUS)
		932	const_iv (ST_MANDLOCK)
		933	const_iv (ST_WRITE)
		934	const_iv (ST_APPEND)
		935	const_iv (ST_IMMUTABLE)
		936	const_iv (ST_NOATIME)
		937	const_iv (ST_NODIRATIME)
		938	const_iv (ST_RELATIME)
		939
		940	const_iv (PROT_NONE)
		941	const_iv (PROT_EXEC)
		942	const_iv (PROT_READ)
		943	const_iv (PROT_WRITE)
		944
		945	/*const_iv (MAP_FIXED)*/
		946	const_iv (MAP_PRIVATE)
		947	const_iv (MAP_SHARED)
		948	const_iv (MAP_ANONYMOUS)
		949
		950	/* linuxish */
		951	const_iv (MAP_HUGETLB)
		952	const_iv (MAP_LOCKED)
		953	const_iv (MAP_NORESERVE)
		954	const_iv (MAP_POPULATE)
		955	const_iv (MAP_NONBLOCK)
		956
		957	const_eio (MCL_FUTURE)
		958	const_eio (MCL_CURRENT)
		959
		960	const_eio (MS_ASYNC)
		961	const_eio (MS_INVALIDATE)
		962	const_eio (MS_SYNC)
		963
		964	const_eio (MT_MODIFY)
		965
		966	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		967	const_eio (SYNC_FILE_RANGE_WRITE)
		968	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		969
		970	const_eio (FALLOC_FL_KEEP_SIZE)
		971
		972	const_eio (READDIR_DENTS)
		973	const_eio (READDIR_DIRS_FIRST)
		974	const_eio (READDIR_STAT_ORDER)
		975	const_eio (READDIR_FOUND_UNKNOWN)
		976
		977	const_eio (DT_UNKNOWN)
		978	const_eio (DT_FIFO)
		979	const_eio (DT_CHR)
		980	const_eio (DT_DIR)
		981	const_eio (DT_BLK)
		982	const_eio (DT_REG)
		983	const_eio (DT_LNK)
		984	const_eio (DT_SOCK)
		985	const_eio (DT_WHT)
		986	};
		987
476	stash = gv_stashpv ("IO::AIO", 1);	988	aio_stash = gv_stashpv ("IO::AIO" , 1);
		989	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		990	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		991	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
477		992
478	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	993	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
479	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	994	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
480	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
481	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
482	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
483	#ifdef _WIN32
484	X_MUTEX_CHECK (wrklock);
485	X_MUTEX_CHECK (reslock);
486	X_MUTEX_CHECK (reqlock);
487	X_MUTEX_CHECK (reqwait);
488	X_MUTEX_CHECK (preadwritelock);
489	X_MUTEX_CHECK (readdirlock);
490		995
491	X_COND_CHECK (reqwait);	996	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
492	#else
493	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
494	#endif
495		997
496	create_respipe ();	998	reinit ();
497
498	if (eio_init (want_poll, done_poll) < 0)
499	croak ("IO::AIO: unable to initialise eio library");
500
501	/* atfork child called in fifo order, so before eio's handler */
502	X_THREAD_ATFORK (0, 0, atfork_child);
503	}	999	}
504		1000
505	void	1001	void
		1002	reinit ()
		1003	PROTOTYPE:
		1004
		1005	void
506	max_poll_reqs (int nreqs)	1006	max_poll_reqs (unsigned int nreqs)
507	PROTOTYPE: $	1007	PROTOTYPE: $
508	CODE:	1008	CODE:
509	eio_set_max_poll_reqs (nreqs);	1009	eio_set_max_poll_reqs (nreqs);
510		1010
511	void	1011	void
…		…
513	PROTOTYPE: $	1013	PROTOTYPE: $
514	CODE:	1014	CODE:
515	eio_set_max_poll_time (nseconds);	1015	eio_set_max_poll_time (nseconds);
516		1016
517	void	1017	void
518	min_parallel (int nthreads)	1018	min_parallel (unsigned int nthreads)
519	PROTOTYPE: $	1019	PROTOTYPE: $
520	CODE:	1020	CODE:
521	eio_set_min_parallel (nthreads);	1021	eio_set_min_parallel (nthreads);
522		1022
523	void	1023	void
524	max_parallel (int nthreads)	1024	max_parallel (unsigned int nthreads)
525	PROTOTYPE: $	1025	PROTOTYPE: $
526	CODE:	1026	CODE:
527	eio_set_max_parallel (nthreads);	1027	eio_set_max_parallel (nthreads);
528		1028
529	void	1029	void
530	max_idle (int nthreads)	1030	max_idle (unsigned int nthreads)
531	PROTOTYPE: $	1031	PROTOTYPE: $
532	CODE:	1032	CODE:
533	eio_set_max_idle (nthreads);	1033	eio_set_max_idle (nthreads);
534		1034
535	void	1035	void
		1036	idle_timeout (unsigned int seconds)
		1037	PROTOTYPE: $
		1038	CODE:
		1039	eio_set_idle_timeout (seconds);
		1040
		1041	void
536	max_outstanding (int maxreqs)	1042	max_outstanding (unsigned int maxreqs)
537	PROTOTYPE: $	1043	PROTOTYPE: $
538	CODE:	1044	CODE:
539	max_outstanding = maxreqs;	1045	max_outstanding = maxreqs;
540		1046
541	void	1047	void
		1048	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1049	PPCODE:
		1050	{
		1051	dREQ;
		1052
		1053	req->type = EIO_WD_OPEN;
		1054	req_set_path1 (req, pathname);
		1055
		1056	REQ_SEND;
		1057	}
		1058
		1059	void
542	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1060	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
543	PROTOTYPE: $$$;$
544	PPCODE:	1061	PPCODE:
545	{	1062	{
546	dREQ;	1063	dREQ;
547		1064
548	req->type = EIO_OPEN;	1065	req->type = EIO_OPEN;
549	req->sv1 = newSVsv (pathname);	1066	req_set_path1 (req, pathname);
550	req->ptr1 = SvPVbyte_nolen (req->sv1);
551	req->int1 = flags;	1067	req->int1 = flags;
552	req->int2 = mode;	1068	req->int2 = mode;
553		1069
554	REQ_SEND;	1070	REQ_SEND;
555	}	1071	}
556		1072
557	void	1073	void
558	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1074	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
559	PROTOTYPE: $;$
560	ALIAS:	1075	ALIAS:
561	aio_fsync = EIO_FSYNC	1076	aio_fsync = EIO_FSYNC
562	aio_fdatasync = EIO_FDATASYNC	1077	aio_fdatasync = EIO_FDATASYNC
		1078	aio_syncfs = EIO_SYNCFS
563	PPCODE:	1079	PPCODE:
564	{	1080	{
		1081	int fd = s_fileno_croak (fh, 0);
565	dREQ;	1082	dREQ;
566		1083
567	req->type = ix;	1084	req->type = ix;
568	req->sv1 = newSVsv (fh);	1085	req->sv1 = newSVsv (fh);
569	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1086	req->int1 = fd;
570		1087
571	REQ_SEND (req);	1088	REQ_SEND (req);
572	}	1089	}
573		1090
574	void	1091	void
		1092	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
		1093	PPCODE:
		1094	{
		1095	int fd = s_fileno_croak (fh, 0);
		1096	dREQ;
		1097
		1098	req->type = EIO_SYNC_FILE_RANGE;
		1099	req->sv1 = newSVsv (fh);
		1100	req->int1 = fd;
		1101	req->offs = offset;
		1102	req->size = nbytes;
		1103	req->int2 = flags;
		1104
		1105	REQ_SEND (req);
		1106	}
		1107
		1108	void
		1109	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1110	PPCODE:
		1111	{
		1112	int fd = s_fileno_croak (fh, 0);
		1113	dREQ;
		1114
		1115	req->type = EIO_FALLOCATE;
		1116	req->sv1 = newSVsv (fh);
		1117	req->int1 = fd;
		1118	req->int2 = mode;
		1119	req->offs = offset;
		1120	req->size = len;
		1121
		1122	REQ_SEND (req);
		1123	}
		1124
		1125	void
575	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1126	aio_close (SV *fh, SV *callback=&PL_sv_undef)
576	PROTOTYPE: $;$
577	PPCODE:	1127	PPCODE:
578	{	1128	{
579	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1129	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1130	int fd = s_fileno_croak (fh, 0);
580	dREQ;	1131	dREQ;
581		1132
582	if (close_pipe < 0)	1133	if (expect_false (close_fd < 0))
583	{	1134	{
584	int pipefd [2];	1135	int pipefd [2];
585		1136
		1137	if (
		1138	#ifdef _WIN32
		1139	_pipe (pipefd, 1, _O_BINARY) < 0
		1140	#else
586	if (pipe (pipefd) < 0	1141	pipe (pipefd) < 0
587	|| close (pipefd [1]) < 0
588	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1142	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1143	#endif
		1144	|| close (pipefd [1]) < 0
		1145	)
589	abort (); /*D*/	1146	abort (); /*D*/
590		1147
591	close_pipe = pipefd [0];	1148	close_fd = pipefd [0];
592	}	1149	}
593		1150
594	req->type = EIO_DUP2;	1151	req->type = EIO_DUP2;
595	req->int1 = close_pipe;	1152	req->int1 = close_fd;
596	req->sv2 = newSVsv (fh);	1153	req->sv2 = newSVsv (fh);
597	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1154	req->int2 = fd;
598		1155
599	REQ_SEND (req);	1156	REQ_SEND (req);
600	}	1157	}
601		1158
602	void	1159	void
603	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1160	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
604	ALIAS:	1161	ALIAS:
605	aio_read = EIO_READ	1162	aio_read = EIO_READ
606	aio_write = EIO_WRITE	1163	aio_write = EIO_WRITE
607	PROTOTYPE: $$$$$;$
608	PPCODE:	1164	PPCODE:
609	{	1165	{
610	STRLEN svlen;	1166	STRLEN svlen;
		1167	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
611	char *svptr = SvPVbyte (data, svlen);	1168	char *svptr = SvPVbyte (data, svlen);
612	UV len = SvUV (length);	1169	UV len = SvUV (length);
613
614	SvUPGRADE (data, SVt_PV);
615	SvPOK_on (data);
616		1170
617	if (dataoffset < 0)	1171	if (dataoffset < 0)
618	dataoffset += svlen;	1172	dataoffset += svlen;
619		1173
620	if (dataoffset < 0 || dataoffset > svlen)	1174	if (dataoffset < 0 || dataoffset > svlen)
…		…
626	if (!SvOK (length) || len + dataoffset > svlen)	1180	if (!SvOK (length) || len + dataoffset > svlen)
627	len = svlen - dataoffset;	1181	len = svlen - dataoffset;
628	}	1182	}
629	else	1183	else
630	{	1184	{
631	/* read: grow scalar as necessary */	1185	/* read: check type and grow scalar as necessary */
		1186	SvUPGRADE (data, SVt_PV);
632	svptr = SvGROW (data, len + dataoffset + 1);	1187	svptr = SvGROW (data, len + dataoffset + 1);
633	}	1188	}
634		1189
635	if (len < 0)
636	croak ("length must not be negative");
637
638	{	1190	{
639	dREQ;	1191	dREQ;
640		1192
641	req->type = ix;	1193	req->type = ix;
642	req->sv1 = newSVsv (fh);	1194	req->sv1 = newSVsv (fh);
643	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	1195	req->int1 = fd;
644	: IoOFP (sv_2io (fh)));
645	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1196	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
646	req->size = len;	1197	req->size = len;
647	req->sv2 = SvREFCNT_inc (data);	1198	req->sv2 = SvREFCNT_inc (data);
648	req->ptr2 = (char *)svptr + dataoffset;	1199	req->ptr2 = (char *)svptr + dataoffset;
649	req->stroffset = dataoffset;	1200	req->stroffset = dataoffset;
…		…
657	REQ_SEND;	1208	REQ_SEND;
658	}	1209	}
659	}	1210	}
660		1211
661	void	1212	void
662	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1213	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
663	PROTOTYPE: $$;$	1214	ALIAS:
		1215	aio_readlink = EIO_READLINK
		1216	aio_realpath = EIO_REALPATH
664	PPCODE:	1217	PPCODE:
665	{	1218	{
666	SV *data;
667	dREQ;	1219	dREQ;
668		1220
669	data = newSV (NAME_MAX);
670	SvPOK_on (data);
671
672	req->type = EIO_READLINK;	1221	req->type = ix;
673	req->sv1 = newSVsv (path);	1222	req_set_path1 (req, pathname);
674	req->ptr1 = SvPVbyte_nolen (req->sv1);
675	req->sv2 = data;
676	req->ptr2 = SvPVbyte_nolen (data);
677		1223
678	REQ_SEND;	1224	REQ_SEND;
679	}	1225	}
680		1226
681	void	1227	void
682	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1228	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
683	PROTOTYPE: $$$$;$
684	PPCODE:	1229	PPCODE:
685	{	1230	{
		1231	int ifd = s_fileno_croak (in_fh , 0);
		1232	int ofd = s_fileno_croak (out_fh, 1);
686	dREQ;	1233	dREQ;
687		1234
688	req->type = EIO_SENDFILE;	1235	req->type = EIO_SENDFILE;
689	req->sv1 = newSVsv (out_fh);	1236	req->sv1 = newSVsv (out_fh);
690	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1237	req->int1 = ofd;
691	req->sv2 = newSVsv (in_fh);	1238	req->sv2 = newSVsv (in_fh);
692	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1239	req->int2 = ifd;
693	req->offs = SvVAL64 (in_offset);	1240	req->offs = in_offset;
694	req->size = length;	1241	req->size = length;
695		1242
696	REQ_SEND;	1243	REQ_SEND;
697	}	1244	}
698		1245
699	void	1246	void
700	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1247	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
701	PROTOTYPE: $$$;$
702	PPCODE:	1248	PPCODE:
703	{	1249	{
		1250	int fd = s_fileno_croak (fh, 0);
704	dREQ;	1251	dREQ;
705		1252
706	req->type = EIO_READAHEAD;	1253	req->type = EIO_READAHEAD;
707	req->sv1 = newSVsv (fh);	1254	req->sv1 = newSVsv (fh);
708	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1255	req->int1 = fd;
709	req->offs = SvVAL64 (offset);	1256	req->offs = offset;
710	req->size = length;	1257	req->size = length;
711		1258
712	REQ_SEND;	1259	REQ_SEND;
713	}	1260	}
714		1261
715	void	1262	void
716	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1263	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
717	ALIAS:	1264	ALIAS:
718	aio_stat = EIO_STAT	1265	aio_stat = EIO_STAT
719	aio_lstat = EIO_LSTAT	1266	aio_lstat = EIO_LSTAT
		1267	aio_statvfs = EIO_STATVFS
720	PPCODE:	1268	PPCODE:
721	{	1269	{
722	dREQ;	1270	dREQ;
723		1271
724	req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
725	if (!req->ptr2)
726	{
727	req_destroy (req);
728	croak ("out of memory during aio_stat statdata allocation");
729	}
730
731	req->flags |= EIO_FLAG_PTR2_FREE;
732	req->sv1 = newSVsv (fh_or_path);	1272	req->sv1 = newSVsv (fh_or_path);
733		1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
734	if (SvPOK (fh_or_path))
735	{
736	req->type = ix;
737	req->ptr1 = SvPVbyte_nolen (req->sv1);
738	}
739	else
740	{
741	req->type = EIO_FSTAT;
742	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
743	}
744
745	REQ_SEND;	1274	REQ_SEND;
746	}	1275	}
		1276
		1277	UV
		1278	major (UV dev)
		1279	ALIAS:
		1280	minor = 1
		1281	CODE:
		1282	RETVAL = ix ? major (dev) : minor (dev);
		1283	OUTPUT:
		1284	RETVAL
		1285
		1286	UV
		1287	makedev (UV maj, UV min)
		1288	CODE:
		1289	RETVAL = makedev (maj, min);
		1290	OUTPUT:
		1291	RETVAL
747		1292
748	void	1293	void
749	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1294	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
750	PPCODE:	1295	PPCODE:
751	{	1296	{
752	dREQ;	1297	dREQ;
753		1298
754	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1299	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
755	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1300	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
756	req->sv1 = newSVsv (fh_or_path);	1301	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
757
758	if (SvPOK (fh_or_path))
759	{
760	req->type = EIO_UTIME;
761	req->ptr1 = SvPVbyte_nolen (req->sv1);
762	}
763	else
764	{
765	req->type = EIO_FUTIME;
766	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
767	}
768		1302
769	REQ_SEND;	1303	REQ_SEND;
770	}	1304	}
771		1305
772	void	1306	void
773	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1307	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
774	PPCODE:	1308	PPCODE:
775	{	1309	{
776	dREQ;	1310	dREQ;
777		1311
778	req->sv1 = newSVsv (fh_or_path);
779	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1312	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
780		1313	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
781	if (SvPOK (fh_or_path))
782	{
783	req->type = EIO_TRUNCATE;
784	req->ptr1 = SvPVbyte_nolen (req->sv1);
785	}
786	else
787	{
788	req->type = EIO_FTRUNCATE;
789	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
790	}
791		1314
792	REQ_SEND;	1315	REQ_SEND;
793	}	1316	}
794		1317
795	void	1318	void
796	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1319	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
797	ALIAS:	1320	ALIAS:
798	aio_chmod = EIO_CHMOD	1321	aio_chmod = EIO_CHMOD
799	aio_fchmod = EIO_FCHMOD
800	aio_mkdir = EIO_MKDIR	1322	aio_mkdir = EIO_MKDIR
801	PPCODE:	1323	PPCODE:
802	{	1324	{
803	dREQ;	1325	dREQ;
804		1326
805	req->type = ix;
806	req->int2 = mode;	1327	req->int2 = mode;
807	req->sv1 = newSVsv (fh_or_path);	1328	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
808
809	if (ix == EIO_FCHMOD)
810	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
811	else
812	req->ptr1 = SvPVbyte_nolen (req->sv1);
813		1329
814	REQ_SEND;	1330	REQ_SEND;
815	}	1331	}
816		1332
817	void	1333	void
…		…
820	{	1336	{
821	dREQ;	1337	dREQ;
822		1338
823	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1339	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
824	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1340	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
825	req->sv1 = newSVsv (fh_or_path);	1341	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
826
827	if (SvPOK (fh_or_path))
828	{
829	req->type = EIO_CHOWN;
830	req->ptr1 = SvPVbyte_nolen (req->sv1);
831	}
832	else
833	{
834	req->type = EIO_FCHOWN;
835	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
836	}
837		1342
838	REQ_SEND;	1343	REQ_SEND;
		1344	}
		1345
		1346	void
		1347	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1348	PPCODE:
		1349	{
		1350	dREQ;
		1351
		1352	req->type = EIO_READDIR;
		1353	req->sv1 = newSVsv (pathname);
		1354	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1355	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1356
		1357	if (flags & EIO_READDIR_DENTS)
		1358	req->int1 |= EIO_READDIR_CUSTOM2;
		1359
		1360	REQ_SEND;
839	}	1361	}
840		1362
841	void	1363	void
842	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1364	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
843	ALIAS:	1365	ALIAS:
…		…
847	PPCODE:	1369	PPCODE:
848	{	1370	{
849	dREQ;	1371	dREQ;
850		1372
851	req->type = ix;	1373	req->type = ix;
852	req->sv1 = newSVsv (pathname);	1374	req_set_path1 (req, pathname);
853	req->ptr1 = SvPVbyte_nolen (req->sv1);
854		1375
855	REQ_SEND;	1376	REQ_SEND;
856	}	1377	}
857		1378
858	void	1379	void
…		…
862	aio_symlink = EIO_SYMLINK	1383	aio_symlink = EIO_SYMLINK
863	aio_rename = EIO_RENAME	1384	aio_rename = EIO_RENAME
864	PPCODE:	1385	PPCODE:
865	{	1386	{
866	dREQ;	1387	dREQ;
		1388	eio_wd wd2;
867		1389
868	req->type = ix;	1390	req->type = ix;
869	req->sv1 = newSVsv (oldpath);	1391	req_set_path1 (req, oldpath);
870	req->ptr1 = SvPVbyte_nolen (req->sv1);	1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
871	req->sv2 = newSVsv (newpath);	1393	req->int3 = (long)wd2;
872	req->ptr2 = SvPVbyte_nolen (req->sv2);
873		1394
874	REQ_SEND;	1395	REQ_SEND;
875	}	1396	}
876		1397
877	void	1398	void
…		…
879	PPCODE:	1400	PPCODE:
880	{	1401	{
881	dREQ;	1402	dREQ;
882		1403
883	req->type = EIO_MKNOD;	1404	req->type = EIO_MKNOD;
884	req->sv1 = newSVsv (pathname);
885	req->ptr1 = SvPVbyte_nolen (req->sv1);
886	req->int2 = (mode_t)mode;	1405	req->int2 = (mode_t)mode;
887	req->offs = dev;	1406	req->offs = dev;
		1407	req_set_path1 (req, pathname);
888		1408
889	REQ_SEND;	1409	REQ_SEND;
890	}	1410	}
891		1411
892	void	1412	void
		1413	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1414	ALIAS:
		1415	aio_mtouch = EIO_MTOUCH
		1416	aio_msync = EIO_MSYNC
		1417	PPCODE:
		1418	{
		1419	STRLEN svlen;
		1420	char *svptr = SvPVbyte (data, svlen);
		1421	UV len = SvUV (length);
		1422
		1423	if (offset < 0)
		1424	offset += svlen;
		1425
		1426	if (offset < 0 || offset > svlen)
		1427	croak ("offset outside of scalar");
		1428
		1429	if (!SvOK (length) || len + offset > svlen)
		1430	len = svlen - offset;
		1431
		1432	{
		1433	dREQ;
		1434
		1435	req->type = ix;
		1436	req->sv2 = SvREFCNT_inc (data);
		1437	req->ptr2 = (char *)svptr + offset;
		1438	req->size = len;
		1439	req->int1 = flags;
		1440
		1441	REQ_SEND;
		1442	}
		1443	}
		1444
		1445	void
		1446	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1447	PPCODE:
		1448	{
		1449	STRLEN svlen;
		1450	char *svptr = SvPVbyte (data, svlen);
		1451	UV len = SvUV (length);
		1452
		1453	if (offset < 0)
		1454	offset += svlen;
		1455
		1456	if (offset < 0 || offset > svlen)
		1457	croak ("offset outside of scalar");
		1458
		1459	if (!SvOK (length) || len + offset > svlen)
		1460	len = svlen - offset;
		1461
		1462	{
		1463	dREQ;
		1464
		1465	req->type = EIO_MLOCK;
		1466	req->sv2 = SvREFCNT_inc (data);
		1467	req->ptr2 = (char *)svptr + offset;
		1468	req->size = len;
		1469
		1470	REQ_SEND;
		1471	}
		1472	}
		1473
		1474	void
		1475	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1476	PPCODE:
		1477	{
		1478	dREQ;
		1479
		1480	req->type = EIO_MLOCKALL;
		1481	req->int1 = flags;
		1482
		1483	REQ_SEND;
		1484	}
		1485
		1486	void
893	aio_busy (double delay, SV *callback=&PL_sv_undef)	1487	aio_busy (double delay, SV *callback=&PL_sv_undef)
894	PPCODE:	1488	PPCODE:
895	{	1489	{
896	dREQ;	1490	dREQ;
897		1491
…		…
901	REQ_SEND;	1495	REQ_SEND;
902	}	1496	}
903		1497
904	void	1498	void
905	aio_group (SV *callback=&PL_sv_undef)	1499	aio_group (SV *callback=&PL_sv_undef)
906	PROTOTYPE: ;$
907	PPCODE:	1500	PPCODE:
908	{	1501	{
909	dREQ;	1502	dREQ;
910		1503
911	req->type = EIO_GROUP;	1504	req->type = EIO_GROUP;
912		1505
913	eio_submit (req);	1506	req_submit (req);
914	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1507	XPUSHs (req_sv (req, aio_grp_stash));
915	}	1508	}
916		1509
917	void	1510	void
918	aio_nop (SV *callback=&PL_sv_undef)	1511	aio_nop (SV *callback=&PL_sv_undef)
919	ALIAS:	1512	ALIAS:
…		…
928	REQ_SEND;	1521	REQ_SEND;
929	}	1522	}
930		1523
931	int	1524	int
932	aioreq_pri (int pri = 0)	1525	aioreq_pri (int pri = 0)
933	PROTOTYPE: ;$
934	CODE:	1526	CODE:
935	RETVAL = next_pri - EIO_PRI_BIAS;	1527	RETVAL = next_pri;
936	if (items > 0)	1528	if (items > 0)
937	{	1529	{
938	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1530	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
939	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;	1531	if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
940	next_pri = pri + EIO_PRI_BIAS;	1532	next_pri = pri;
941	}	1533	}
942	OUTPUT:	1534	OUTPUT:
943	RETVAL	1535	RETVAL
944		1536
945	void	1537	void
946	aioreq_nice (int nice = 0)	1538	aioreq_nice (int nice = 0)
947	CODE:	1539	CODE:
948	nice = next_pri - nice;	1540	nice = next_pri - nice;
949	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;	1541	if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
950	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1542	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
951	next_pri = nice + EIO_PRI_BIAS;	1543	next_pri = nice;
952		1544
953	void	1545	void
954	flush ()	1546	flush ()
955	PROTOTYPE:
956	CODE:	1547	CODE:
957	while (eio_nreqs ())	1548	while (eio_nreqs ())
958	{	1549	{
959	poll_wait ();	1550	poll_wait ();
960	poll_cb ();	1551	poll_cb ();
961	}	1552	}
962		1553
963	int	1554	int
964	poll()	1555	poll ()
965	PROTOTYPE:
966	CODE:	1556	CODE:
967	poll_wait ();	1557	poll_wait ();
968	RETVAL = poll_cb ();	1558	RETVAL = poll_cb ();
969	OUTPUT:	1559	OUTPUT:
970	RETVAL	1560	RETVAL
971		1561
972	int	1562	int
973	poll_fileno()	1563	poll_fileno ()
974	PROTOTYPE:
975	CODE:	1564	CODE:
976	RETVAL = respipe [0];	1565	RETVAL = s_epipe_fd (&respipe);
977	OUTPUT:	1566	OUTPUT:
978	RETVAL	1567	RETVAL
979		1568
980	int	1569	int
981	poll_cb(...)	1570	poll_cb (...)
982	PROTOTYPE:	1571	PROTOTYPE:
983	CODE:	1572	CODE:
984	RETVAL = poll_cb ();	1573	RETVAL = poll_cb ();
985	OUTPUT:	1574	OUTPUT:
986	RETVAL	1575	RETVAL
987		1576
988	void	1577	void
989	poll_wait()	1578	poll_wait ()
990	PROTOTYPE:
991	CODE:	1579	CODE:
992	poll_wait ();	1580	poll_wait ();
993		1581
994	int	1582	int
995	nreqs()	1583	nreqs ()
996	PROTOTYPE:
997	CODE:	1584	CODE:
998	RETVAL = eio_nreqs ();	1585	RETVAL = eio_nreqs ();
999	OUTPUT:	1586	OUTPUT:
1000	RETVAL	1587	RETVAL
1001		1588
1002	int	1589	int
1003	nready()	1590	nready ()
1004	PROTOTYPE:
1005	CODE:	1591	CODE:
1006	RETVAL = eio_nready ();	1592	RETVAL = eio_nready ();
1007	OUTPUT:	1593	OUTPUT:
1008	RETVAL	1594	RETVAL
1009		1595
1010	int	1596	int
1011	npending()	1597	npending ()
1012	PROTOTYPE:
1013	CODE:	1598	CODE:
1014	RETVAL = eio_npending ();	1599	RETVAL = eio_npending ();
1015	OUTPUT:	1600	OUTPUT:
1016	RETVAL	1601	RETVAL
1017		1602
1018	int	1603	int
1019	nthreads()	1604	nthreads ()
1020	PROTOTYPE:
1021	CODE:	1605	CODE:
1022	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1606	RETVAL = eio_nthreads ();
1023	RETVAL = started;
1024	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1025	OUTPUT:	1607	OUTPUT:
1026	RETVAL	1608	RETVAL
1027		1609
		1610	int
		1611	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1612	CODE:
		1613	RETVAL = posix_fadvise (fh, offset, length, advice);
		1614	OUTPUT:
		1615	RETVAL
		1616
		1617	IV
		1618	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1619	CODE:
		1620	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1621	OUTPUT:
		1622	RETVAL
		1623
		1624	void
		1625	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1626	PPCODE:
		1627	sv_unmagic (scalar, MMAP_MAGIC);
		1628	{
		1629	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1630	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1631	if (addr == (void *)-1)
		1632	XSRETURN_NO;
		1633
		1634	sv_force_normal (scalar);
		1635
		1636	/* we store the length in mg_obj, as namlen is I32 :/ */
		1637	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1638	->mg_obj = (SV *)length;
		1639
		1640	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1641
		1642	if (!(prot & PROT_WRITE))
		1643	SvREADONLY_on (scalar);
		1644
		1645	if (SvLEN (scalar))
		1646	Safefree (SvPVX (scalar));
		1647
		1648	SvPVX (scalar) = (char *)addr;
		1649	SvCUR_set (scalar, length);
		1650	SvLEN_set (scalar, 0);
		1651	SvPOK_only (scalar);
		1652
		1653	XSRETURN_YES;
		1654	}
		1655
		1656	void
		1657	munmap (SV *scalar)
		1658	CODE:
		1659	sv_unmagic (scalar, MMAP_MAGIC);
		1660
		1661	int
		1662	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1663	ALIAS:
		1664	mprotect = 1
		1665	CODE:
		1666	{
		1667	STRLEN svlen;
		1668	void *addr = SvPVbyte (scalar, svlen);
		1669	size_t len = SvUV (length);
		1670
		1671	if (offset < 0)
		1672	offset += svlen;
		1673
		1674	if (offset < 0 || offset > svlen)
		1675	croak ("offset outside of scalar");
		1676
		1677	if (!SvOK (length) || len + offset > svlen)
		1678	len = svlen - offset;
		1679
		1680	addr = (void *)(((intptr_t)addr) + offset);
		1681	eio_page_align (&addr, &len);
		1682
		1683	switch (ix)
		1684	{
		1685	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1686	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1687	}
		1688	}
		1689	OUTPUT:
		1690	RETVAL
		1691
		1692	int
		1693	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1694	CODE:
		1695	{
		1696	STRLEN svlen;
		1697	void *addr = SvPVbyte (scalar, svlen);
		1698	size_t len = SvUV (length);
		1699
		1700	if (offset < 0)
		1701	offset += svlen;
		1702
		1703	if (offset < 0 || offset > svlen)
		1704	croak ("offset outside of scalar");
		1705
		1706	if (!SvOK (length) || len + offset > svlen)
		1707	len = svlen - offset;
		1708
		1709	addr = (void *)(((intptr_t)addr) + offset);
		1710	eio_page_align (&addr, &len);
		1711	#if _POSIX_MEMLOCK_RANGE
		1712	RETVAL = munlock (addr, len);
		1713	#else
		1714	RETVAL = ((errno = ENOSYS), -1);
		1715	#endif
		1716	}
		1717	OUTPUT:
		1718	RETVAL
		1719
		1720	int
		1721	munlockall ()
		1722	CODE:
		1723	#if _POSIX_MEMLOCK
		1724	munlockall ();
		1725	#else
		1726	RETVAL = -1;
		1727	errno = ENOSYS;
		1728	#endif
		1729	OUTPUT:
		1730	RETVAL
		1731
1028	void _on_next_submit (SV *cb)	1732	void _on_next_submit (SV *cb)
1029	CODE:	1733	CODE:
1030	SvREFCNT_dec (on_next_submit);	1734	SvREFCNT_dec (on_next_submit);
1031	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1735	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1032		1736
1033	PROTOTYPES: DISABLE	1737	PROTOTYPES: DISABLE
1034		1738
		1739	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1740
		1741	void
		1742	DESTROY (SV *self)
		1743	CODE:
		1744	{
		1745	aio_wd wd = SvAIO_WD (self);
		1746	#if HAVE_AT
		1747	SV *callback = &PL_sv_undef;
		1748	dREQ; /* clobbers next_pri :/ */
		1749	req->type = EIO_WD_CLOSE;
		1750	req->wd = wd;
		1751	REQ_SEND;
		1752	#else
		1753	eio_wd_close_sync (wd);
		1754	#endif
		1755	}
		1756
1035	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1757	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1036		1758
1037	void	1759	void
1038	cancel (aio_req_ornot req)	1760	cancel (aio_req_ornot req)
1039	CODE:	1761	CODE:
1040	eio_cancel (req);	1762	eio_cancel (req);
1041		1763
1042	void	1764	void
1043	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1765	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1044	CODE:	1766	PPCODE:
		1767	{
		1768	if (GIMME_V != G_VOID)
		1769	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1770
		1771	if (items > 1)
		1772	{
		1773	SV *cb_cv =get_cb (callback);
		1774
1045	SvREFCNT_dec (req->callback);	1775	SvREFCNT_dec (req->callback);
1046	req->callback = newSVsv (callback);	1776	req->callback = SvREFCNT_inc (cb_cv);
		1777	}
		1778	}
1047		1779
1048	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1780	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1049		1781
1050	void	1782	void
1051	add (aio_req grp, ...)	1783	add (aio_req grp, ...)
…		…
1083	AV *av;	1815	AV *av;
1084		1816
1085	grp->errorno = errno;	1817	grp->errorno = errno;
1086		1818
1087	av = newAV ();	1819	av = newAV ();
		1820	av_extend (av, items - 1);
1088		1821
1089	for (i = 1; i < items; ++i )	1822	for (i = 1; i < items; ++i )
1090	av_push (av, newSVsv (ST (i)));	1823	av_push (av, newSVsv (ST (i)));
1091		1824
1092	SvREFCNT_dec (grp->sv1);	1825	SvREFCNT_dec (grp->sv1);
…		…
1106	void	1839	void
1107	feed (aio_req grp, SV *callback=&PL_sv_undef)	1840	feed (aio_req grp, SV *callback=&PL_sv_undef)
1108	CODE:	1841	CODE:
1109	{	1842	{
1110	SvREFCNT_dec (grp->sv2);	1843	SvREFCNT_dec (grp->sv2);
1111	grp->sv2 = newSVsv (callback);	1844	grp->sv2 = newSVsv (callback);
		1845	grp->feed = aio_grp_feed;
1112		1846
1113	if (grp->int2 <= 0)	1847	if (grp->int2 <= 0)
1114	grp->int2 = 2;	1848	grp->int2 = 2;
1115		1849
1116	eio_grp_limit (grp, grp->int2);	1850	eio_grp_limit (grp, grp->int2);

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