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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.140 by root, Wed Jun 3 12:24:49 2009 UTC vs.
Revision 1.200 by root, Thu Sep 29 09:51:24 2011 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
17		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
18	/* perl namespace pollution */	24	/* perl namespace pollution */
19	#undef VERSION	25	#undef VERSION
20
21	#ifdef _WIN32
22
23	# define EIO_STRUCT_DIRENT Direntry_t
24	# undef malloc
25	# undef free
26
27	// perl overrides all those nice win32 functions
28	# undef open
29	# undef read
30	# undef write
31	# undef send
32	# undef recv
33	# undef stat
34	# undef fstat
35	# define lstat stat
36	# undef truncate
37	# undef ftruncate
38	# undef open
39	# undef close
40	# undef unlink
41	# undef rmdir
42	# undef rename
43	# undef lseek
44
45	# define chown(a,b,c) (errno = ENOSYS, -1)
46	# define fchown(a,b,c) (errno = ENOSYS, -1)
47	# define fchmod(a,b) (errno = ENOSYS, -1)
48	# define symlink(a,b) (errno = ENOSYS, -1)
49	# define readlink(a,b,c) (errno = ENOSYS, -1)
50	# define mknod(a,b,c) (errno = ENOSYS, -1)
51	# define truncate(a,b) (errno = ENOSYS, -1)
52	# define ftruncate(fd,o) chsize ((fd), (o))
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
59	#else
60
61	# include <sys/time.h>
62	# include <sys/select.h>
63	# include <unistd.h>
64	# include <utime.h>
65	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent
67
68	#endif
69		26
70	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
71	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
72	#undef readdir	29	#undef readdir
73	#undef opendir	30	#undef opendir
74	#undef closedir	31	#undef closedir
75		32
		33	#ifdef _WIN32
		34
		35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
		39	#undef open
		40	#undef read
		41	#undef write
		42	#undef send
		43	#undef recv
		44	#undef stat
		45	#undef lstat
		46	#undef fstat
		47	#undef truncate
		48	#undef ftruncate
		49	#undef open
		50	#undef link
		51	#undef close
		52	#undef unlink
		53	#undef mkdir
		54	#undef rmdir
		55	#undef rename
		56	#undef lseek
		57	#undef opendir
		58	#undef readdir
		59	#undef closedir
		60	#undef chmod
		61	#undef fchmod
		62	#undef dup
		63	#undef dup2
		64	#undef abort
		65	#undef pipe
		66
		67	#else
		68
		69	#include <sys/time.h>
		70	#include <sys/select.h>
		71	#include <unistd.h>
		72	#include <utime.h>
		73	#include <signal.h>
		74
		75	#endif
		76
76	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
77		78
78	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	80	#if IVSIZE >= 8
		81	# define VAL64 IV
80	# define SvVAL64 SvIV	82	# define SvVAL64 SvIV
		83	# define newSVval64 newSViv
81	#else	84	#else
		85	# define VAL64 NV
82	# define SvVAL64 SvNV	86	# define SvVAL64 SvNV
		87	# define newSVval64 newSVnv
83	#endif	88	#endif
84		89
85	/*****************************************************************************/	90	/*****************************************************************************/
86		91
87	#if __GNUC__ >= 3	92	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	98	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	99	#define expect_true(expr) expect ((expr) != 0, 1)
95		100
96	/*****************************************************************************/	101	/*****************************************************************************/
97		102
98	static HV *stash;
99	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 */
100		106
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		108
104	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
105	SV *callback; \	110	SV *callback; \
106	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
107	STRLEN stroffset; \	113	STRLEN stroffset; \
108	SV *self;	114	SV *self;
109		115
110	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
111		117
		118	#include "libeio/config.h"
112	#include "libeio/eio.h"	119	#include "libeio/eio.h"
113		120
114	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
118		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
		328
119	enum {	329	enum {
120	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121	};	331	};
122		332
123	#include "libeio/eio.c"
124
125	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
126	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
127		336
128	static SV *on_next_submit;	337	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	339	static int max_outstanding;
131		340
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	341	static s_epipe respipe;
133		342
134	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
136		345
137	static void want_poll (void)	346	static void want_poll (void)
138	{	347	{
139	/* write a dummy byte to the pipe so fh becomes ready */	348	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	349	s_epipe_signal (&respipe);
141	}	350	}
142		351
143	static void done_poll (void)	352	static void done_poll (void)
144	{	353	{
145	/* read any signals sent by the worker threads */	354	/* read any signals sent by the worker threads */
146	char buf [4];	355	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	356	}
150		357
151	/* must be called at most once */	358	/* must be called at most once */
152	static SV *req_sv (aio_req req, const char *klass)	359	static SV *req_sv (aio_req req, HV *stash)
153	{	360	{
154	if (!req->self)	361	if (!req->self)
155	{	362	{
156	req->self = (SV *)newHV ();	363	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	365	}
159		366
160	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);
161	}	374	}
162		375
163	static aio_req SvAIO_REQ (SV *sv)	376	static aio_req SvAIO_REQ (SV *sv)
164	{	377	{
165	MAGIC *mg;	378	MAGIC *mg;
166		379
167	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")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	384	croak ("object of class IO::AIO::REQ expected");
169		385
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		387
172	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));
173	}	399	}
174		400
175	static void aio_grp_feed (aio_req grp)	401	static void aio_grp_feed (aio_req grp)
176	{	402	{
177	if (grp->sv2 && SvOK (grp->sv2))	403	if (grp->sv2 && SvOK (grp->sv2))
…		…
179	dSP;	405	dSP;
180		406
181	ENTER;	407	ENTER;
182	SAVETMPS;	408	SAVETMPS;
183	PUSHMARK (SP);	409	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	410	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	411	PUTBACK;
186	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	412	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187	SPAGAIN;	413	SPAGAIN;
188	FREETMPS;	414	FREETMPS;
189	LEAVE;	415	LEAVE;
…		…
207	}	433	}
208	}	434	}
209		435
210	static int req_invoke (eio_req *req)	436	static int req_invoke (eio_req *req)
211	{	437	{
212	dSP;
213
214	if (req->flags & FLAG_SV2_RO_OFF)	438	if (req->flags & FLAG_SV2_RO_OFF)
215	SvREADONLY_off (req->sv2);	439	SvREADONLY_off (req->sv2);
216		440
217	if (!EIO_CANCELLED (req) && req->callback)	441	if (!EIO_CANCELLED (req) && req->callback)
218	{	442	{
		443	dSP;
		444	static SV *sv_result_cache; /* caches the result integer SV */
		445	SV *sv_result;
		446
219	ENTER;	447	ENTER;
220	SAVETMPS;	448	SAVETMPS;
221	PUSHMARK (SP);	449	PUSHMARK (SP);
222	EXTEND (SP, 1);	450	EXTEND (SP, 1);
223		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
224	switch (req->type)	465	switch (req->type)
225	{	466	{
		467	case EIO_WD_OPEN:
		468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		469	break;
		470
226	case EIO_READDIR:	471	case EIO_READDIR:
227	{	472	{
228	SV *rv = &PL_sv_undef;	473	SV *rv = &PL_sv_undef;
229		474
230	if (req->result >= 0)	475	if (req->result >= 0)
231	{	476	{
232	int i;	477	int i;
233	char *buf = req->ptr2;	478	char *names = (char *)req->ptr2;
		479	eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234	AV *av = newAV ();	480	AV *av = newAV ();
235		481
236	av_extend (av, req->result - 1);	482	av_extend (av, req->result - 1);
237		483
238	for (i = 0; i < req->result; ++i)	484	for (i = 0; i < req->result; ++i)
239	{	485	{
240	SV *sv = newSVpv (buf, 0);	486	if (req->int1 & EIO_READDIR_DENTS)
		487	{
		488	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		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
242	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);
243	buf += SvCUR (sv) + 1;	518	names += SvCUR (name) + 1;
		519	}
244	}	520	}
245		521
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	522	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	523	}
248		524
249	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))));
250	}	529	}
251	break;	530	break;
252		531
253	case EIO_OPEN:	532	case EIO_OPEN:
254	{	533	{
…		…
260	GV *gv = (GV *)sv_newmortal ();	539	GV *gv = (GV *)sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	540	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
262	char sym [64];	541	char sym [64];
263	int symlen;	542	int symlen;
264		543
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	544	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	545	gv_init (gv, aio_stash, sym, symlen, 0);
267		546
268	symlen = snprintf (	547	symlen = snprintf (
269	sym,	548	sym,
270	sizeof (sym),	549	sizeof (sym),
271	"%s&=%d",	550	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	551	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	552	(int)req->result
274	);	553	);
275		554
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	555	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	556	fh = (SV *)gv;
278	}	557	}
279		558
280	PUSHs (fh);	559	PUSHs (fh);
281	}	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
282	break;	593	break;
283		594
284	case EIO_GROUP:	595	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	596	req->int1 = 2; /* mark group as finished */
286		597
…		…
298	case EIO_NOP:	609	case EIO_NOP:
299	case EIO_BUSY:	610	case EIO_BUSY:
300	break;	611	break;
301		612
302	case EIO_READLINK:	613	case EIO_READLINK:
		614	case EIO_REALPATH:
303	if (req->result > 0)	615	if (req->result > 0)
304	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	616	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
305	break;	617	break;
306		618
307	case EIO_STAT:	619	case EIO_STAT:
308	case EIO_LSTAT:	620	case EIO_LSTAT:
309	case EIO_FSTAT:	621	case EIO_FSTAT:
310	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		623
311	PL_laststatval = req->result;	624	if (!(PL_laststatval = req->result))
		625	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
312	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	626	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
313	PUSHs (sv_2mortal (newSViv (req->result)));	627
		628	PUSHs (sv_result);
314	break;	629	break;
315		630
316	case EIO_READ:	631	case EIO_READ:
317	{	632	{
318	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	633	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
319	*SvEND (req->sv2) = 0;	634	*SvEND (req->sv2) = 0;
320	SvPOK_only (req->sv2);	635	SvPOK_only (req->sv2);
321	SvSETMAGIC (req->sv2);	636	SvSETMAGIC (req->sv2);
322	PUSHs (sv_2mortal (newSViv (req->result)));	637	PUSHs (sv_result);
323	}	638	}
324	break;	639	break;
325		640
326	case EIO_DUP2:	641	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
327	if (req->result > 0)	642	if (req->result > 0)
328	req->result = 0;	643	SvIV_set (sv_result, 0);
329	/* FALLTHROUGH */	644	/* FALLTHROUGH */
330		645
331	default:	646	default:
332	PUSHs (sv_2mortal (newSViv (req->result)));	647	PUSHs (sv_result);
333	break;	648	break;
334	}	649	}
335		650
336	errno = req->errorno;	651	errno = req->errorno;
337		652
338	PUTBACK;	653	PUTBACK;
339	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	654	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
340	SPAGAIN;	655	SPAGAIN;
		656
		657	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		658	SvREFCNT_dec (sv_result);
		659	else
		660	sv_result_cache = sv_result;
341		661
342	FREETMPS;	662	FREETMPS;
343	LEAVE;	663	LEAVE;
344		664
345	PUTBACK;	665	PUTBACK;
…		…
356	SvREFCNT_dec (req->self);	676	SvREFCNT_dec (req->self);
357	}	677	}
358		678
359	SvREFCNT_dec (req->sv1);	679	SvREFCNT_dec (req->sv1);
360	SvREFCNT_dec (req->sv2);	680	SvREFCNT_dec (req->sv2);
		681	SvREFCNT_dec (req->sv3);
		682	SvREFCNT_dec (req->sv4);
361	SvREFCNT_dec (req->callback);	683	SvREFCNT_dec (req->callback);
362		684
363	Safefree (req);	685	Safefree (req);
364	}	686	}
365		687
366	static void req_cancel_subs (aio_req grp)	688	static void req_cancel_subs (aio_req grp)
367	{	689	{
368	aio_req sub;
369
370	if (grp->type != EIO_GROUP)	690	if (grp->type != EIO_GROUP)
371	return;	691	return;
372		692
373	SvREFCNT_dec (grp->sv2);	693	SvREFCNT_dec (grp->sv2);
374	grp->sv2 = 0;	694	grp->sv2 = 0;
375		695
376	eio_grp_cancel (grp);	696	eio_grp_cancel (grp);
377	}	697	}
378		698
379	#ifdef USE_SOCKETS_AS_HANDLES
380	# define TO_SOCKET(x) (win32_get_osfhandle (x))
381	#else
382	# define TO_SOCKET(x) (x)
383	#endif
384
385	static void
386	create_respipe (void)	699	static void create_respipe (void)
387	{	700	{
388	int old_readfd = respipe [0];
389
390	if (respipe [1] >= 0)
391	respipe_close (TO_SOCKET (respipe [1]));
392
393	#ifdef _WIN32
394	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
395	#else
396	if (pipe (respipe))	701	if (s_epipe_renew (&respipe))
397	#endif
398	croak ("unable to initialize result pipe");	702	croak ("IO::AIO: unable to initialize result pipe");
399
400	if (old_readfd >= 0)
401	{
402	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
403	croak ("unable to initialize result pipe(2)");
404
405	respipe_close (respipe [0]);
406	respipe [0] = old_readfd;
407	}
408
409	#ifdef _WIN32
410	int arg = 1;
411	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
412	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
413	#else
414	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
415	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
416	#endif
417	croak ("unable to initialize result pipe(3)");
418
419	respipe_osf [0] = TO_SOCKET (respipe [0]);
420	respipe_osf [1] = TO_SOCKET (respipe [1]);
421	}	703	}
422		704
423	static void poll_wait (void)	705	static void poll_wait (void)
424	{	706	{
425	fd_set rfd;
426
427	while (eio_nreqs ())	707	while (eio_nreqs ())
428	{	708	{
429	int size;	709	int size;
430		710
431	X_LOCK (reslock);	711	X_LOCK (reslock);
…		…
435	if (size)	715	if (size)
436	return;	716	return;
437		717
438	etp_maybe_start_thread ();	718	etp_maybe_start_thread ();
439		719
440	FD_ZERO (&rfd);	720	s_epipe_wait (&respipe);
441	FD_SET (respipe [0], &rfd);
442
443	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
444	}	721	}
445	}	722	}
446		723
447	static int poll_cb (void)	724	static int poll_cb (void)
448	{	725	{
…		…
458		735
459	poll_wait ();	736	poll_wait ();
460	}	737	}
461	}	738	}
462		739
463	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
464	{	742	{
465	create_respipe ();	743	create_respipe ();
466	}
467		744
468	static SV *	745	if (eio_init (want_poll, done_poll) < 0)
469	get_cb (SV *cb_sv)	746	croak ("IO::AIO: unable to initialise eio library");
470	{	747	}
471	HV *st;
472	GV *gvp;
473	CV *cv;
474		748
475	if (!SvOK (cb_sv))	749	/*****************************************************************************/
		750
		751	#if !_POSIX_MAPPED_FILES
		752	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		753	# define munmap(addr,length) (errno = ENOSYS, -1)
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		758	# define PROT_NONE 0
		759	# define PROT_WRITE 0
		760	# define MAP_PRIVATE 0
		761	# define MAP_SHARED 0
		762	# define MAP_FIXED 0
		763	#endif
		764
		765	#define MMAP_MAGIC PERL_MAGIC_ext
		766
		767	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		768	{
		769	int old_errno = errno;
		770	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		771	errno = old_errno;
		772
		773	mg->mg_obj = 0; /* just in case */
		774
		775	SvREADONLY_off (sv);
		776
		777	if (SvPVX (sv) != mg->mg_ptr)
		778	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		779
		780	SvCUR_set (sv, 0);
		781	SvPVX (sv) = 0;
		782	SvOK_off (sv);
		783
476	return 0;	784	return 0;
		785	}
477		786
478	cv = sv_2cv (cb_sv, &st, &gvp, 0);	787	static MGVTBL mmap_vtbl = {
		788	0, 0, 0, 0, mmap_free
		789	};
479		790
480	if (!cv)	791	/*****************************************************************************/
481	croak ("IO::AIO callback must be undef or a CODE reference");
482		792
483	return (SV *)cv;	793	static SV * get_cb (SV *cb_sv)
		794	{
		795	SvGETMAGIC (cb_sv);
		796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
484	}	797	}
485		798
486	#define dREQ \	799	#define dREQ \
487	SV *cb_cv; \	800	SV *cb_cv; \
488	aio_req req; \	801	aio_req req; \
…		…
502	PUTBACK; \	815	PUTBACK; \
503	req_submit (req); \	816	req_submit (req); \
504	SPAGAIN; \	817	SPAGAIN; \
505	\	818	\
506	if (GIMME_V != G_VOID) \	819	if (GIMME_V != G_VOID) \
507	XPUSHs (req_sv (req, AIO_REQ_KLASS));	820	XPUSHs (req_sv (req, aio_req_stash));
508		821
509	static int	822	static void
510	extract_fd (SV *fh, int wr)	823	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
511	{	824	{
512	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));	825	if (expect_false (SvROK (path)))
		826	{
		827	AV *av = (AV *)SvRV (path);
		828	SV *wdob;
513		829
514	if (fd < 0)	830	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
515	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");	831	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
516		832
517	return fd;	833	path = AvARRAY (av)[1];
		834	wdob = AvARRAY (av)[0];
		835
		836	if (SvOK (wdob))
		837	{
		838	*wd = SvAIO_WD (wdob);
		839	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		840	}
		841	else
		842	*wd = EIO_INVALID_WD;
		843	}
		844
		845	*pathsv = newSVsv (path);
		846	*ptr = SvPVbyte_nolen (*pathsv);
		847	}
		848
		849	static void
		850	req_set_path1 (aio_req req, SV *path)
		851	{
		852	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		853	}
		854
		855	static void
		856	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		857	{
		858	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		859
		860	switch (SvTYPE (rv))
		861	{
		862	case SVt_PVIO:
		863	case SVt_PVLV:
		864	case SVt_PVGV:
		865	req->type = type_fh;
		866	req->sv1 = newSVsv (fh_or_path);
		867	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		868	break;
		869
		870	default:
		871	req->type = type_path;
		872	req_set_path1 (req, fh_or_path);
		873	break;
		874	}
		875
518	}	876	}
519		877
520	MODULE = IO::AIO PACKAGE = IO::AIO	878	MODULE = IO::AIO PACKAGE = IO::AIO
521		879
522	PROTOTYPES: ENABLE	880	PROTOTYPES: ENABLE
523		881
524	BOOT:	882	BOOT:
525	{	883	{
		884	static const struct {
		885	const char *name;
		886	IV iv;
		887	} *civ, const_iv[] = {
		888	# define const_niv(name, value) { # name, (IV) value },
		889	# define const_iv(name) { # name, (IV) name },
		890	# define const_eio(name) { # name, (IV) EIO_ ## name },
		891	const_iv (EXDEV)
		892	const_iv (ENOSYS)
		893	const_iv (O_RDONLY)
		894	const_iv (O_WRONLY)
		895	const_iv (O_RDWR)
		896	const_iv (O_CREAT)
		897	const_iv (O_TRUNC)
		898	const_iv (O_EXCL)
		899	const_iv (O_APPEND)
		900
		901	const_iv (O_ASYNC)
		902	const_iv (O_DIRECT)
		903	const_iv (O_NOATIME)
		904
		905	const_iv (O_CLOEXEC)
		906	const_iv (O_NOCTTY)
		907	const_iv (O_NOFOLLOW)
		908	const_iv (O_NONBLOCK)
		909	const_iv (O_EXEC)
		910	const_iv (O_SEARCH)
		911	const_iv (O_DIRECTORY)
		912	const_iv (O_DSYNC)
		913	const_iv (O_RSYNC)
		914	const_iv (O_SYNC)
		915	const_iv (O_TTY_INIT)
		916
		917	const_iv (S_IFIFO)
		918	const_iv (S_IFCHR)
		919	const_iv (S_IFBLK)
		920	const_iv (S_IFLNK)
		921	const_iv (S_IFREG)
		922	const_iv (S_IFDIR)
		923	const_iv (S_IFWHT)
		924	const_iv (S_IFSOCK)
		925	const_iv (S_IFMT)
		926
		927	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		928	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		929	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		930	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		931	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		932	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		933
		934	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		935	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		936	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		937	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		938	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		939
		940	const_iv (ST_RDONLY)
		941	const_iv (ST_NOSUID)
		942	const_iv (ST_NODEV)
		943	const_iv (ST_NOEXEC)
		944	const_iv (ST_SYNCHRONOUS)
		945	const_iv (ST_MANDLOCK)
		946	const_iv (ST_WRITE)
		947	const_iv (ST_APPEND)
		948	const_iv (ST_IMMUTABLE)
		949	const_iv (ST_NOATIME)
		950	const_iv (ST_NODIRATIME)
		951	const_iv (ST_RELATIME)
		952
		953	const_iv (PROT_NONE)
		954	const_iv (PROT_EXEC)
		955	const_iv (PROT_READ)
		956	const_iv (PROT_WRITE)
		957
		958	/*const_iv (MAP_FIXED)*/
		959	const_iv (MAP_PRIVATE)
		960	const_iv (MAP_SHARED)
		961	const_iv (MAP_ANONYMOUS)
		962
		963	/* linuxish */
		964	const_iv (MAP_HUGETLB)
		965	const_iv (MAP_LOCKED)
		966	const_iv (MAP_NORESERVE)
		967	const_iv (MAP_POPULATE)
		968	const_iv (MAP_NONBLOCK)
		969
		970	const_eio (MCL_FUTURE)
		971	const_eio (MCL_CURRENT)
		972
		973	const_eio (MS_ASYNC)
		974	const_eio (MS_INVALIDATE)
		975	const_eio (MS_SYNC)
		976
		977	const_eio (MT_MODIFY)
		978
		979	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		980	const_eio (SYNC_FILE_RANGE_WRITE)
		981	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		982
		983	const_eio (FALLOC_FL_KEEP_SIZE)
		984
		985	const_eio (READDIR_DENTS)
		986	const_eio (READDIR_DIRS_FIRST)
		987	const_eio (READDIR_STAT_ORDER)
		988	const_eio (READDIR_FOUND_UNKNOWN)
		989
		990	const_eio (DT_UNKNOWN)
		991	const_eio (DT_FIFO)
		992	const_eio (DT_CHR)
		993	const_eio (DT_DIR)
		994	const_eio (DT_BLK)
		995	const_eio (DT_REG)
		996	const_eio (DT_LNK)
		997	const_eio (DT_SOCK)
		998	const_eio (DT_WHT)
		999	};
		1000
526	stash = gv_stashpv ("IO::AIO", 1);	1001	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1002	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1003	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1004	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
527		1005
528	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1006	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
529	newCONSTSUB (stash, "ENOSYS", newSViv (ENOSYS));	1007	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
530	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
531	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
532	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
533	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
534	#ifndef _WIN32
535	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
536	#endif
537	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
538	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));
539	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));
540	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));
541		1008
542	create_respipe ();	1009	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
543		1010
544	if (eio_init (want_poll, done_poll) < 0)	1011	reinit ();
545	croak ("IO::AIO: unable to initialise eio library");
546
547	/* atfork child called in fifo order, so before eio's handler */
548	X_THREAD_ATFORK (0, 0, atfork_child);
549	}	1012	}
550		1013
551	void	1014	void
		1015	reinit ()
		1016	PROTOTYPE:
		1017
		1018	void
552	max_poll_reqs (int nreqs)	1019	max_poll_reqs (unsigned int nreqs)
553	PROTOTYPE: $	1020	PROTOTYPE: $
554	CODE:	1021	CODE:
555	eio_set_max_poll_reqs (nreqs);	1022	eio_set_max_poll_reqs (nreqs);
556		1023
557	void	1024	void
…		…
559	PROTOTYPE: $	1026	PROTOTYPE: $
560	CODE:	1027	CODE:
561	eio_set_max_poll_time (nseconds);	1028	eio_set_max_poll_time (nseconds);
562		1029
563	void	1030	void
564	min_parallel (int nthreads)	1031	min_parallel (unsigned int nthreads)
565	PROTOTYPE: $	1032	PROTOTYPE: $
566	CODE:	1033	CODE:
567	eio_set_min_parallel (nthreads);	1034	eio_set_min_parallel (nthreads);
568		1035
569	void	1036	void
570	max_parallel (int nthreads)	1037	max_parallel (unsigned int nthreads)
571	PROTOTYPE: $	1038	PROTOTYPE: $
572	CODE:	1039	CODE:
573	eio_set_max_parallel (nthreads);	1040	eio_set_max_parallel (nthreads);
574		1041
575	void	1042	void
576	max_idle (int nthreads)	1043	max_idle (unsigned int nthreads)
577	PROTOTYPE: $	1044	PROTOTYPE: $
578	CODE:	1045	CODE:
579	eio_set_max_idle (nthreads);	1046	eio_set_max_idle (nthreads);
580		1047
581	void	1048	void
		1049	idle_timeout (unsigned int seconds)
		1050	PROTOTYPE: $
		1051	CODE:
		1052	eio_set_idle_timeout (seconds);
		1053
		1054	void
582	max_outstanding (int maxreqs)	1055	max_outstanding (unsigned int maxreqs)
583	PROTOTYPE: $	1056	PROTOTYPE: $
584	CODE:	1057	CODE:
585	max_outstanding = maxreqs;	1058	max_outstanding = maxreqs;
586		1059
587	void	1060	void
		1061	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1062	PPCODE:
		1063	{
		1064	dREQ;
		1065
		1066	req->type = EIO_WD_OPEN;
		1067	req_set_path1 (req, pathname);
		1068
		1069	REQ_SEND;
		1070	}
		1071
		1072	void
588	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1073	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
589	PROTOTYPE: $$$;$
590	PPCODE:	1074	PPCODE:
591	{	1075	{
592	dREQ;	1076	dREQ;
593		1077
594	req->type = EIO_OPEN;	1078	req->type = EIO_OPEN;
595	req->sv1 = newSVsv (pathname);	1079	req_set_path1 (req, pathname);
596	req->ptr1 = SvPVbyte_nolen (req->sv1);
597	req->int1 = flags;	1080	req->int1 = flags;
598	req->int2 = mode;	1081	req->int2 = mode;
599		1082
600	REQ_SEND;	1083	REQ_SEND;
601	}	1084	}
602		1085
603	void	1086	void
604	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1087	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
605	PROTOTYPE: $;$
606	ALIAS:	1088	ALIAS:
607	aio_fsync = EIO_FSYNC	1089	aio_fsync = EIO_FSYNC
608	aio_fdatasync = EIO_FDATASYNC	1090	aio_fdatasync = EIO_FDATASYNC
		1091	aio_syncfs = EIO_SYNCFS
609	PPCODE:	1092	PPCODE:
610	{	1093	{
611	int fd = extract_fd (fh, 0);	1094	int fd = s_fileno_croak (fh, 0);
612	dREQ;	1095	dREQ;
613		1096
614	req->type = ix;	1097	req->type = ix;
615	req->sv1 = newSVsv (fh);	1098	req->sv1 = newSVsv (fh);
616	req->int1 = fd;	1099	req->int1 = fd;
617		1100
618	REQ_SEND (req);	1101	REQ_SEND (req);
619	}	1102	}
620		1103
621	void	1104	void
622	aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef)	1105	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
623	PROTOTYPE: $$$$;$
624	PPCODE:	1106	PPCODE:
625	{	1107	{
626	int fd = extract_fd (fh, 0);	1108	int fd = s_fileno_croak (fh, 0);
627	dREQ;	1109	dREQ;
628		1110
629	req->type = EIO_SYNC_FILE_RANGE;	1111	req->type = EIO_SYNC_FILE_RANGE;
630	req->sv1 = newSVsv (fh);	1112	req->sv1 = newSVsv (fh);
631	req->int1 = fd;	1113	req->int1 = fd;
632	req->offs = SvVAL64 (offset);	1114	req->offs = offset;
633	req->size = SvVAL64 (nbytes);	1115	req->size = nbytes;
634	req->int2 = flags;	1116	req->int2 = flags;
635		1117
636	REQ_SEND (req);	1118	REQ_SEND (req);
637	}	1119	}
638		1120
639	void	1121	void
		1122	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1123	PPCODE:
		1124	{
		1125	int fd = s_fileno_croak (fh, 0);
		1126	dREQ;
		1127
		1128	req->type = EIO_FALLOCATE;
		1129	req->sv1 = newSVsv (fh);
		1130	req->int1 = fd;
		1131	req->int2 = mode;
		1132	req->offs = offset;
		1133	req->size = len;
		1134
		1135	REQ_SEND (req);
		1136	}
		1137
		1138	void
640	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1139	aio_close (SV *fh, SV *callback=&PL_sv_undef)
641	PROTOTYPE: $;$
642	PPCODE:	1140	PPCODE:
643	{	1141	{
644	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1142	static int close_fd = -1; /* dummy fd to close fds via dup2 */
645	int fd = extract_fd (fh, 0);	1143	int fd = s_fileno_croak (fh, 0);
646	dREQ;	1144	dREQ;
647		1145
648	if (close_pipe < 0)	1146	if (expect_false (close_fd < 0))
649	{	1147	{
650	int pipefd [2];	1148	int pipefd [2];
651		1149
		1150	if (
		1151	#ifdef _WIN32
		1152	_pipe (pipefd, 1, _O_BINARY) < 0
		1153	#else
652	if (pipe (pipefd) < 0	1154	pipe (pipefd) < 0
653	|| close (pipefd [1]) < 0
654	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1155	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1156	#endif
		1157	|| close (pipefd [1]) < 0
		1158	)
655	abort (); /*D*/	1159	abort (); /*D*/
656		1160
657	close_pipe = pipefd [0];	1161	close_fd = pipefd [0];
658	}	1162	}
659		1163
660	req->type = EIO_DUP2;	1164	req->type = EIO_DUP2;
661	req->int1 = close_pipe;	1165	req->int1 = close_fd;
662	req->sv2 = newSVsv (fh);	1166	req->sv2 = newSVsv (fh);
663	req->int2 = fd;	1167	req->int2 = fd;
664		1168
665	REQ_SEND (req);	1169	REQ_SEND (req);
666	}	1170	}
…		…
668	void	1172	void
669	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1173	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
670	ALIAS:	1174	ALIAS:
671	aio_read = EIO_READ	1175	aio_read = EIO_READ
672	aio_write = EIO_WRITE	1176	aio_write = EIO_WRITE
673	PROTOTYPE: $$$$$;$
674	PPCODE:	1177	PPCODE:
675	{	1178	{
676	STRLEN svlen;	1179	STRLEN svlen;
677	int fd = extract_fd (fh, ix == EIO_WRITE);	1180	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
678	char *svptr = SvPVbyte (data, svlen);	1181	char *svptr = SvPVbyte (data, svlen);
679	UV len = SvUV (length);	1182	UV len = SvUV (length);
680		1183
681	if (dataoffset < 0)	1184	if (dataoffset < 0)
682	dataoffset += svlen;	1185	dataoffset += svlen;
…		…
718	REQ_SEND;	1221	REQ_SEND;
719	}	1222	}
720	}	1223	}
721		1224
722	void	1225	void
723	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1226	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
724	PROTOTYPE: $$;$	1227	ALIAS:
		1228	aio_readlink = EIO_READLINK
		1229	aio_realpath = EIO_REALPATH
725	PPCODE:	1230	PPCODE:
726	{	1231	{
727	SV *data;
728	dREQ;	1232	dREQ;
729		1233
730	req->type = EIO_READLINK;	1234	req->type = ix;
731	req->sv1 = newSVsv (path);	1235	req_set_path1 (req, pathname);
732	req->ptr1 = SvPVbyte_nolen (req->sv1);
733		1236
734	REQ_SEND;	1237	REQ_SEND;
735	}	1238	}
736		1239
737	void	1240	void
738	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)	1241	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
739	PROTOTYPE: $$$$;$
740	PPCODE:	1242	PPCODE:
741	{	1243	{
742	int ifd = extract_fd (in_fh , 0);	1244	int ifd = s_fileno_croak (in_fh , 0);
743	int ofd = extract_fd (out_fh, 0);	1245	int ofd = s_fileno_croak (out_fh, 1);
744	dREQ;	1246	dREQ;
745		1247
746	req->type = EIO_SENDFILE;	1248	req->type = EIO_SENDFILE;
747	req->sv1 = newSVsv (out_fh);	1249	req->sv1 = newSVsv (out_fh);
748	req->int1 = ofd;	1250	req->int1 = ofd;
749	req->sv2 = newSVsv (in_fh);	1251	req->sv2 = newSVsv (in_fh);
750	req->int2 = ifd;	1252	req->int2 = ifd;
751	req->offs = SvVAL64 (in_offset);	1253	req->offs = in_offset;
752	req->size = length;	1254	req->size = length;
753		1255
754	REQ_SEND;	1256	REQ_SEND;
755	}	1257	}
756		1258
757	void	1259	void
758	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)	1260	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
759	PROTOTYPE: $$$;$
760	PPCODE:	1261	PPCODE:
761	{	1262	{
762	int fd = extract_fd (fh, 0);	1263	int fd = s_fileno_croak (fh, 0);
763	dREQ;	1264	dREQ;
764		1265
765	req->type = EIO_READAHEAD;	1266	req->type = EIO_READAHEAD;
766	req->sv1 = newSVsv (fh);	1267	req->sv1 = newSVsv (fh);
767	req->int1 = fd;	1268	req->int1 = fd;
768	req->offs = SvVAL64 (offset);	1269	req->offs = offset;
769	req->size = length;	1270	req->size = length;
770		1271
771	REQ_SEND;	1272	REQ_SEND;
772	}	1273	}
773		1274
774	void	1275	void
775	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1276	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
776	ALIAS:	1277	ALIAS:
777	aio_stat = EIO_STAT	1278	aio_stat = EIO_STAT
778	aio_lstat = EIO_LSTAT	1279	aio_lstat = EIO_LSTAT
		1280	aio_statvfs = EIO_STATVFS
779	PPCODE:	1281	PPCODE:
780	{	1282	{
781	dREQ;	1283	dREQ;
782		1284
783	req->sv1 = newSVsv (fh_or_path);	1285	req->sv1 = newSVsv (fh_or_path);
784		1286	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
785	if (SvPOK (req->sv1))
786	{
787	req->type = ix;
788	req->ptr1 = SvPVbyte_nolen (req->sv1);
789	}
790	else
791	{
792	req->type = EIO_FSTAT;
793	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
794	}
795
796	REQ_SEND;	1287	REQ_SEND;
797	}	1288	}
		1289
		1290	UV
		1291	major (UV dev)
		1292	ALIAS:
		1293	minor = 1
		1294	CODE:
		1295	RETVAL = ix ? major (dev) : minor (dev);
		1296	OUTPUT:
		1297	RETVAL
		1298
		1299	UV
		1300	makedev (UV maj, UV min)
		1301	CODE:
		1302	RETVAL = makedev (maj, min);
		1303	OUTPUT:
		1304	RETVAL
798		1305
799	void	1306	void
800	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1307	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
801	PPCODE:	1308	PPCODE:
802	{	1309	{
803	dREQ;	1310	dREQ;
804		1311
805	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1312	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
806	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1313	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
807	req->sv1 = newSVsv (fh_or_path);	1314	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
808
809	if (SvPOK (req->sv1))
810	{
811	req->type = EIO_UTIME;
812	req->ptr1 = SvPVbyte_nolen (req->sv1);
813	}
814	else
815	{
816	req->type = EIO_FUTIME;
817	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
818	}
819		1315
820	REQ_SEND;	1316	REQ_SEND;
821	}	1317	}
822		1318
823	void	1319	void
824	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1320	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
825	PPCODE:	1321	PPCODE:
826	{	1322	{
827	dREQ;	1323	dREQ;
828		1324
829	req->sv1 = newSVsv (fh_or_path);
830	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1325	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
831		1326	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
832	if (SvPOK (req->sv1))
833	{
834	req->type = EIO_TRUNCATE;
835	req->ptr1 = SvPVbyte_nolen (req->sv1);
836	}
837	else
838	{
839	req->type = EIO_FTRUNCATE;
840	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
841	}
842		1327
843	REQ_SEND;	1328	REQ_SEND;
844	}	1329	}
845		1330
846	void	1331	void
847	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1332	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
848	ALIAS:
849	aio_chmod = EIO_CHMOD
850	aio_mkdir = EIO_MKDIR
851	PPCODE:	1333	PPCODE:
852	{	1334	{
853	dREQ;	1335	dREQ;
854		1336
855	req->int2 = mode;	1337	req->int2 = mode;
856	req->sv1 = newSVsv (fh_or_path);	1338	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
857
858	if (SvPOK (req->sv1))
859	{
860	req->type = ix;
861	req->ptr1 = SvPVbyte_nolen (req->sv1);
862	}
863	else
864	{
865	req->type = EIO_FCHMOD;
866	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
867	}
868		1339
869	REQ_SEND;	1340	REQ_SEND;
870	}	1341	}
871		1342
872	void	1343	void
…		…
875	{	1346	{
876	dREQ;	1347	dREQ;
877		1348
878	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1349	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
879	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1350	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
880	req->sv1 = newSVsv (fh_or_path);	1351	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
881		1352
882	if (SvPOK (req->sv1))	1353	REQ_SEND;
883	{	1354	}
		1355
		1356	void
		1357	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
		1358	PPCODE:
		1359	{
		1360	dREQ;
		1361
		1362	req->type = EIO_READDIR;
		1363	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
		1364
		1365	if (flags & EIO_READDIR_DENTS)
		1366	req->int1 |= EIO_READDIR_CUSTOM2;
		1367
		1368	req_set_path1 (req, pathname);
		1369
		1370	REQ_SEND;
		1371	}
		1372
		1373	void
		1374	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1375	PPCODE:
		1376	{
		1377	dREQ;
		1378
884	req->type = EIO_CHOWN;	1379	req->type = EIO_MKDIR;
885	req->ptr1 = SvPVbyte_nolen (req->sv1);	1380	req->int2 = mode;
886	}	1381	req_set_path1 (req, pathname);
887	else
888	{
889	req->type = EIO_FCHOWN;
890	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
891	}
892		1382
893	REQ_SEND;	1383	REQ_SEND;
894	}	1384	}
895		1385
896	void	1386	void
…		…
902	PPCODE:	1392	PPCODE:
903	{	1393	{
904	dREQ;	1394	dREQ;
905		1395
906	req->type = ix;	1396	req->type = ix;
907	req->sv1 = newSVsv (pathname);	1397	req_set_path1 (req, pathname);
908	req->ptr1 = SvPVbyte_nolen (req->sv1);
909		1398
910	REQ_SEND;	1399	REQ_SEND;
911	}	1400	}
912		1401
913	void	1402	void
…		…
917	aio_symlink = EIO_SYMLINK	1406	aio_symlink = EIO_SYMLINK
918	aio_rename = EIO_RENAME	1407	aio_rename = EIO_RENAME
919	PPCODE:	1408	PPCODE:
920	{	1409	{
921	dREQ;	1410	dREQ;
		1411	eio_wd wd2 = 0;
922		1412
923	req->type = ix;	1413	req->type = ix;
924	req->sv1 = newSVsv (oldpath);	1414	req_set_path1 (req, oldpath);
925	req->ptr1 = SvPVbyte_nolen (req->sv1);	1415	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
926	req->sv2 = newSVsv (newpath);	1416	req->int3 = (long)wd2;
927	req->ptr2 = SvPVbyte_nolen (req->sv2);
928		1417
929	REQ_SEND;	1418	REQ_SEND;
930	}	1419	}
931		1420
932	void	1421	void
…		…
934	PPCODE:	1423	PPCODE:
935	{	1424	{
936	dREQ;	1425	dREQ;
937		1426
938	req->type = EIO_MKNOD;	1427	req->type = EIO_MKNOD;
939	req->sv1 = newSVsv (pathname);
940	req->ptr1 = SvPVbyte_nolen (req->sv1);
941	req->int2 = (mode_t)mode;	1428	req->int2 = (mode_t)mode;
942	req->offs = dev;	1429	req->offs = dev;
		1430	req_set_path1 (req, pathname);
943		1431
944	REQ_SEND;	1432	REQ_SEND;
945	}	1433	}
946		1434
947	void	1435	void
		1436	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1437	ALIAS:
		1438	aio_mtouch = EIO_MTOUCH
		1439	aio_msync = EIO_MSYNC
		1440	PPCODE:
		1441	{
		1442	STRLEN svlen;
		1443	char *svptr = SvPVbyte (data, svlen);
		1444	UV len = SvUV (length);
		1445
		1446	if (offset < 0)
		1447	offset += svlen;
		1448
		1449	if (offset < 0 || offset > svlen)
		1450	croak ("offset outside of scalar");
		1451
		1452	if (!SvOK (length) || len + offset > svlen)
		1453	len = svlen - offset;
		1454
		1455	{
		1456	dREQ;
		1457
		1458	req->type = ix;
		1459	req->sv2 = SvREFCNT_inc (data);
		1460	req->ptr2 = (char *)svptr + offset;
		1461	req->size = len;
		1462	req->int1 = flags;
		1463
		1464	REQ_SEND;
		1465	}
		1466	}
		1467
		1468	void
		1469	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1470	PPCODE:
		1471	{
		1472	STRLEN svlen;
		1473	char *svptr = SvPVbyte (data, svlen);
		1474	UV len = SvUV (length);
		1475
		1476	if (offset < 0)
		1477	offset += svlen;
		1478
		1479	if (offset < 0 || offset > svlen)
		1480	croak ("offset outside of scalar");
		1481
		1482	if (!SvOK (length) || len + offset > svlen)
		1483	len = svlen - offset;
		1484
		1485	{
		1486	dREQ;
		1487
		1488	req->type = EIO_MLOCK;
		1489	req->sv2 = SvREFCNT_inc (data);
		1490	req->ptr2 = (char *)svptr + offset;
		1491	req->size = len;
		1492
		1493	REQ_SEND;
		1494	}
		1495	}
		1496
		1497	void
		1498	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1499	PPCODE:
		1500	{
		1501	dREQ;
		1502
		1503	req->type = EIO_MLOCKALL;
		1504	req->int1 = flags;
		1505
		1506	REQ_SEND;
		1507	}
		1508
		1509	void
948	aio_busy (double delay, SV *callback=&PL_sv_undef)	1510	aio_busy (double delay, SV *callback=&PL_sv_undef)
949	PPCODE:	1511	PPCODE:
950	{	1512	{
951	dREQ;	1513	dREQ;
952		1514
…		…
956	REQ_SEND;	1518	REQ_SEND;
957	}	1519	}
958		1520
959	void	1521	void
960	aio_group (SV *callback=&PL_sv_undef)	1522	aio_group (SV *callback=&PL_sv_undef)
961	PROTOTYPE: ;$
962	PPCODE:	1523	PPCODE:
963	{	1524	{
964	dREQ;	1525	dREQ;
965		1526
966	req->type = EIO_GROUP;	1527	req->type = EIO_GROUP;
967		1528
968	req_submit (req);	1529	req_submit (req);
969	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1530	XPUSHs (req_sv (req, aio_grp_stash));
970	}	1531	}
971		1532
972	void	1533	void
973	aio_nop (SV *callback=&PL_sv_undef)	1534	aio_nop (SV *callback=&PL_sv_undef)
974	ALIAS:	1535	ALIAS:
…		…
983	REQ_SEND;	1544	REQ_SEND;
984	}	1545	}
985		1546
986	int	1547	int
987	aioreq_pri (int pri = 0)	1548	aioreq_pri (int pri = 0)
988	PROTOTYPE: ;$
989	CODE:	1549	CODE:
990	RETVAL = next_pri;	1550	RETVAL = next_pri;
991	if (items > 0)	1551	if (items > 0)
992	{	1552	{
993	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1553	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1005	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1565	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1006	next_pri = nice;	1566	next_pri = nice;
1007		1567
1008	void	1568	void
1009	flush ()	1569	flush ()
1010	PROTOTYPE:
1011	CODE:	1570	CODE:
1012	while (eio_nreqs ())	1571	while (eio_nreqs ())
1013	{	1572	{
1014	poll_wait ();	1573	poll_wait ();
1015	poll_cb ();	1574	poll_cb ();
1016	}	1575	}
1017		1576
1018	int	1577	int
1019	poll()	1578	poll ()
1020	PROTOTYPE:
1021	CODE:	1579	CODE:
1022	poll_wait ();	1580	poll_wait ();
1023	RETVAL = poll_cb ();	1581	RETVAL = poll_cb ();
1024	OUTPUT:	1582	OUTPUT:
1025	RETVAL	1583	RETVAL
1026		1584
1027	int	1585	int
1028	poll_fileno()	1586	poll_fileno ()
1029	PROTOTYPE:
1030	CODE:	1587	CODE:
1031	RETVAL = respipe [0];	1588	RETVAL = s_epipe_fd (&respipe);
1032	OUTPUT:	1589	OUTPUT:
1033	RETVAL	1590	RETVAL
1034		1591
1035	int	1592	int
1036	poll_cb(...)	1593	poll_cb (...)
1037	PROTOTYPE:	1594	PROTOTYPE:
1038	CODE:	1595	CODE:
1039	RETVAL = poll_cb ();	1596	RETVAL = poll_cb ();
1040	OUTPUT:	1597	OUTPUT:
1041	RETVAL	1598	RETVAL
1042		1599
1043	void	1600	void
1044	poll_wait()	1601	poll_wait ()
1045	PROTOTYPE:
1046	CODE:	1602	CODE:
1047	poll_wait ();	1603	poll_wait ();
1048		1604
1049	int	1605	int
1050	nreqs()	1606	nreqs ()
1051	PROTOTYPE:
1052	CODE:	1607	CODE:
1053	RETVAL = eio_nreqs ();	1608	RETVAL = eio_nreqs ();
1054	OUTPUT:	1609	OUTPUT:
1055	RETVAL	1610	RETVAL
1056		1611
1057	int	1612	int
1058	nready()	1613	nready ()
1059	PROTOTYPE:
1060	CODE:	1614	CODE:
1061	RETVAL = eio_nready ();	1615	RETVAL = eio_nready ();
1062	OUTPUT:	1616	OUTPUT:
1063	RETVAL	1617	RETVAL
1064		1618
1065	int	1619	int
1066	npending()	1620	npending ()
1067	PROTOTYPE:
1068	CODE:	1621	CODE:
1069	RETVAL = eio_npending ();	1622	RETVAL = eio_npending ();
1070	OUTPUT:	1623	OUTPUT:
1071	RETVAL	1624	RETVAL
1072		1625
1073	int	1626	int
1074	nthreads()	1627	nthreads ()
1075	PROTOTYPE:
1076	CODE:	1628	CODE:
1077	RETVAL = eio_nthreads ();	1629	RETVAL = eio_nthreads ();
1078	OUTPUT:	1630	OUTPUT:
1079	RETVAL	1631	RETVAL
1080		1632
		1633	int
		1634	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1635	CODE:
		1636	RETVAL = posix_fadvise (fh, offset, length, advice);
		1637	OUTPUT:
		1638	RETVAL
		1639
		1640	IV
		1641	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1642	CODE:
		1643	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1644	OUTPUT:
		1645	RETVAL
		1646
		1647	void
		1648	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1649	PPCODE:
		1650	sv_unmagic (scalar, MMAP_MAGIC);
		1651	{
		1652	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1653	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1654	if (addr == (void *)-1)
		1655	XSRETURN_NO;
		1656
		1657	sv_force_normal (scalar);
		1658
		1659	/* we store the length in mg_obj, as namlen is I32 :/ */
		1660	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1661	->mg_obj = (SV *)length;
		1662
		1663	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1664
		1665	if (!(prot & PROT_WRITE))
		1666	SvREADONLY_on (scalar);
		1667
		1668	if (SvLEN (scalar))
		1669	Safefree (SvPVX (scalar));
		1670
		1671	SvPVX (scalar) = (char *)addr;
		1672	SvCUR_set (scalar, length);
		1673	SvLEN_set (scalar, 0);
		1674	SvPOK_only (scalar);
		1675
		1676	XSRETURN_YES;
		1677	}
		1678
		1679	void
		1680	munmap (SV *scalar)
		1681	CODE:
		1682	sv_unmagic (scalar, MMAP_MAGIC);
		1683
		1684	int
		1685	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1686	ALIAS:
		1687	mprotect = 1
		1688	CODE:
		1689	{
		1690	STRLEN svlen;
		1691	void *addr = SvPVbyte (scalar, svlen);
		1692	size_t len = SvUV (length);
		1693
		1694	if (offset < 0)
		1695	offset += svlen;
		1696
		1697	if (offset < 0 || offset > svlen)
		1698	croak ("offset outside of scalar");
		1699
		1700	if (!SvOK (length) || len + offset > svlen)
		1701	len = svlen - offset;
		1702
		1703	addr = (void *)(((intptr_t)addr) + offset);
		1704	eio_page_align (&addr, &len);
		1705
		1706	switch (ix)
		1707	{
		1708	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1709	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1710	}
		1711	}
		1712	OUTPUT:
		1713	RETVAL
		1714
		1715	int
		1716	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1717	CODE:
		1718	{
		1719	STRLEN svlen;
		1720	void *addr = SvPVbyte (scalar, svlen);
		1721	size_t len = SvUV (length);
		1722
		1723	if (offset < 0)
		1724	offset += svlen;
		1725
		1726	if (offset < 0 || offset > svlen)
		1727	croak ("offset outside of scalar");
		1728
		1729	if (!SvOK (length) || len + offset > svlen)
		1730	len = svlen - offset;
		1731
		1732	addr = (void *)(((intptr_t)addr) + offset);
		1733	eio_page_align (&addr, &len);
		1734	#if _POSIX_MEMLOCK_RANGE
		1735	RETVAL = munlock (addr, len);
		1736	#else
		1737	RETVAL = ((errno = ENOSYS), -1);
		1738	#endif
		1739	}
		1740	OUTPUT:
		1741	RETVAL
		1742
		1743	int
		1744	munlockall ()
		1745	CODE:
		1746	#if _POSIX_MEMLOCK
		1747	munlockall ();
		1748	#else
		1749	RETVAL = -1;
		1750	errno = ENOSYS;
		1751	#endif
		1752	OUTPUT:
		1753	RETVAL
		1754
1081	void _on_next_submit (SV *cb)	1755	void _on_next_submit (SV *cb)
1082	CODE:	1756	CODE:
1083	SvREFCNT_dec (on_next_submit);	1757	SvREFCNT_dec (on_next_submit);
1084	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1758	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1085		1759
1086	PROTOTYPES: DISABLE	1760	PROTOTYPES: DISABLE
1087		1761
		1762	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1763
		1764	BOOT:
		1765	{
		1766	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1767	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1768	}
		1769
		1770	void
		1771	DESTROY (SV *self)
		1772	CODE:
		1773	{
		1774	aio_wd wd = SvAIO_WD (self);
		1775	#if HAVE_AT
		1776	SV *callback = &PL_sv_undef;
		1777	dREQ; /* clobbers next_pri :/ */
		1778	req->type = EIO_WD_CLOSE;
		1779	req->wd = wd;
		1780	REQ_SEND;
		1781	#else
		1782	eio_wd_close_sync (wd);
		1783	#endif
		1784	}
		1785
1088	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1786	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1089		1787
1090	void	1788	void
1091	cancel (aio_req_ornot req)	1789	cancel (aio_req_ornot req)
1092	CODE:	1790	CODE:
…		…
1099	if (GIMME_V != G_VOID)	1797	if (GIMME_V != G_VOID)
1100	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1798	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1101		1799
1102	if (items > 1)	1800	if (items > 1)
1103	{	1801	{
1104	SV *cb_cv = get_cb (callback);	1802	SV *cb_cv =get_cb (callback);
1105		1803
1106	SvREFCNT_dec (req->callback);	1804	SvREFCNT_dec (req->callback);
1107	req->callback = SvREFCNT_inc (cb_cv);	1805	req->callback = SvREFCNT_inc (cb_cv);
1108	}	1806	}
1109	}	1807	}
…		…
1146	AV *av;	1844	AV *av;
1147		1845
1148	grp->errorno = errno;	1846	grp->errorno = errno;
1149		1847
1150	av = newAV ();	1848	av = newAV ();
		1849	av_extend (av, items - 1);
1151		1850
1152	for (i = 1; i < items; ++i )	1851	for (i = 1; i < items; ++i )
1153	av_push (av, newSVsv (ST (i)));	1852	av_push (av, newSVsv (ST (i)));
1154		1853
1155	SvREFCNT_dec (grp->sv1);	1854	SvREFCNT_dec (grp->sv1);

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