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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.159 by root, Thu Jan 7 18:08:21 2010 UTC vs.
Revision 1.208 by root, Sat Jan 7 18:42:43 2012 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
21	/* perl namespace pollution */	24	/* perl namespace pollution */
22	#undef VERSION	25	#undef VERSION
23
24	#ifdef _WIN32
25
26	# define EIO_STRUCT_DIRENT Direntry_t
27	# undef malloc
28	# undef free
29
30	// perl overrides all those nice win32 functions
31	# undef open
32	# undef read
33	# undef write
34	# undef send
35	# undef recv
36	# undef stat
37	# undef fstat
38	# define lstat stat
39	# undef truncate
40	# undef ftruncate
41	# undef open
42	# undef close
43	# undef unlink
44	# undef rmdir
45	# undef rename
46	# undef lseek
47
48	# define chown(a,b,c) (errno = ENOSYS, -1)
49	# define fchown(a,b,c) (errno = ENOSYS, -1)
50	# define fchmod(a,b) (errno = ENOSYS, -1)
51	# define symlink(a,b) (errno = ENOSYS, -1)
52	# define readlink(a,b,c) (errno = ENOSYS, -1)
53	# define mknod(a,b,c) (errno = ENOSYS, -1)
54	# define truncate(a,b) (errno = ENOSYS, -1)
55	# define ftruncate(fd,o) chsize ((fd), (o))
56	# define fsync(fd) _commit (fd)
57	# define opendir(fd) (errno = ENOSYS, 0)
58	# define readdir(fd) (errno = ENOSYS, -1)
59	# define closedir(fd) (errno = ENOSYS, -1)
60	# define mkdir(a,b) mkdir (a)
61
62	#else
63
64	# include <sys/time.h>
65	# include <sys/select.h>
66	# include <unistd.h>
67	# include <utime.h>
68	# include <signal.h>
69	# define EIO_STRUCT_DIRENT struct dirent
70
71	#endif
72		26
73	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
74	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
75	#undef readdir	29	#undef readdir
76	#undef opendir	30	#undef opendir
77	#undef closedir	31	#undef closedir
78		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	#define EIO_STRUCT_STAT struct _stati64
		68	#define EIO_STRUCT_STATI64
		69
		70	#else
		71
		72	#include <sys/time.h>
		73	#include <sys/select.h>
		74	#include <unistd.h>
		75	#include <utime.h>
		76	#include <signal.h>
		77
79	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
		79
		80	#endif
80		81
81	/* use NV for 32 bit perls as it allows larger offsets */	82	/* use NV for 32 bit perls as it allows larger offsets */
82	#if IVSIZE >= 8	83	#if IVSIZE >= 8
83	# define VAL64 IV	84	# define VAL64 IV
84	# define SvVAL64 SvIV	85	# define SvVAL64 SvIV
…		…
104		105
105	typedef SV SV8; /* byte-sv, used for argument-checking */	106	typedef SV SV8; /* byte-sv, used for argument-checking */
106	typedef int aio_rfd; /* read file desriptor */	107	typedef int aio_rfd; /* read file desriptor */
107	typedef int aio_wfd; /* write file descriptor */	108	typedef int aio_wfd; /* write file descriptor */
108		109
109	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	110	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110		111
111	#define EIO_REQ_MEMBERS \	112	#define EIO_REQ_MEMBERS \
112	SV *callback; \	113	SV *callback; \
113	SV *sv1, *sv2; \	114	SV *sv1, *sv2; \
		115	SV *sv3, *sv4; \
114	STRLEN stroffset; \	116	STRLEN stroffset; \
115	SV *self;	117	SV *self;
116		118
117	#define EIO_NO_WRAPPERS 1	119	#define EIO_NO_WRAPPERS 1
118		120
		121	#include "libeio/config.h"
119	#include "libeio/eio.h"	122	#include "libeio/eio.h"
120
121	#ifndef POSIX_FADV_NORMAL
122	# define POSIX_FADV_NORMAL 0
123	# define NO_FADVISE 1
124	#endif
125
126	#ifndef POSIX_FADV_SEQUENTIAL
127	# define POSIX_FADV_SEQUENTIAL 0
128	#endif
129
130	#ifndef POSIX_FADV_RANDOM
131	# define POSIX_FADV_RANDOM 0
132	#endif
133
134	#ifndef POSIX_FADV_NOREUSE
135	# define POSIX_FADV_NOREUSE 0
136	#endif
137
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141
142	#ifndef POSIX_FADV_DONTNEED
143	# define POSIX_FADV_DONTNEED 0
144	#endif
145
146	#ifndef ST_NODEV
147	# define ST_NODEV 0
148	#endif
149
150	#ifndef ST_NOEXEC
151	# define ST_NOEXEC 0
152	#endif
153
154	#ifndef ST_SYNCHRONOUS
155	# define ST_SYNCHRONOUS 0
156	#endif
157
158	#ifndef ST_MANDLOCK
159	# define ST_MANDLOCK 0
160	#endif
161
162	#ifndef ST_WRITE
163	# define ST_WRITE 0
164	#endif
165
166	#ifndef ST_APPEND
167	# define ST_APPEND 0
168	#endif
169
170	#ifndef ST_IMMUTABLE
171	# define ST_IMMUTABLE 0
172	#endif
173
174	#ifndef ST_NOATIME
175	# define ST_NOATIME 0
176	#endif
177
178	#ifndef ST_NODIRATIME
179	# define ST_NODIRATIME 0
180	#endif
181
182	#ifndef ST_RELATIME
183	# define ST_RELATIME 0
184	#endif
185		123
186	static int req_invoke (eio_req *req);	124	static int req_invoke (eio_req *req);
187	#define EIO_FINISH(req) req_invoke (req)	125	#define EIO_FINISH(req) req_invoke (req)
188	static void req_destroy (eio_req *grp);	126	static void req_destroy (eio_req *grp);
189	#define EIO_DESTROY(req) req_destroy (req)	127	#define EIO_DESTROY(req) req_destroy (req)
190		128
		129	#include "libeio/eio.c"
		130
		131	/* Linux/others */
		132	#ifndef O_ASYNC
		133	# define O_ASYNC 0
		134	#endif
		135	#ifndef O_DIRECT
		136	# define O_DIRECT 0
		137	#endif
		138	#ifndef O_NOATIME
		139	# define O_NOATIME 0
		140	#endif
		141
		142	/* POSIX */
		143	#ifndef O_CLOEXEC
		144	# define O_CLOEXEC 0
		145	#endif
		146	#ifndef O_NOFOLLOW
		147	# define O_NOFOLLOW 0
		148	#endif
		149	#ifndef O_NOCTTY
		150	# define O_NOCTTY 0
		151	#endif
		152	#ifndef O_NONBLOCK
		153	# define O_NONBLOCK 0
		154	#endif
		155	#ifndef O_EXEC
		156	# define O_EXEC 0
		157	#endif
		158	#ifndef O_SEARCH
		159	# define O_SEARCH 0
		160	#endif
		161	#ifndef O_DIRECTORY
		162	# define O_DIRECTORY 0
		163	#endif
		164	#ifndef O_DSYNC
		165	# define O_DSYNC 0
		166	#endif
		167	#ifndef O_RSYNC
		168	# define O_RSYNC 0
		169	#endif
		170	#ifndef O_SYNC
		171	# define O_SYNC 0
		172	#endif
		173	#ifndef O_TTY_INIT
		174	# define O_TTY_INIT 0
		175	#endif
		176
		177	#ifndef POSIX_FADV_NORMAL
		178	# define POSIX_FADV_NORMAL 0
		179	#endif
		180	#ifndef POSIX_FADV_SEQUENTIAL
		181	# define POSIX_FADV_SEQUENTIAL 0
		182	#endif
		183	#ifndef POSIX_FADV_RANDOM
		184	# define POSIX_FADV_RANDOM 0
		185	#endif
		186	#ifndef POSIX_FADV_NOREUSE
		187	# define POSIX_FADV_NOREUSE 0
		188	#endif
		189	#ifndef POSIX_FADV_WILLNEED
		190	# define POSIX_FADV_WILLNEED 0
		191	#endif
		192	#ifndef POSIX_FADV_DONTNEED
		193	# define POSIX_FADV_DONTNEED 0
		194	#endif
		195
		196	#if !HAVE_POSIX_FADVISE
		197	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		198	#endif
		199
		200	#ifndef POSIX_MADV_NORMAL
		201	# define POSIX_MADV_NORMAL 0
		202	#endif
		203	#ifndef POSIX_MADV_SEQUENTIAL
		204	# define POSIX_MADV_SEQUENTIAL 0
		205	#endif
		206	#ifndef POSIX_MADV_RANDOM
		207	# define POSIX_MADV_RANDOM 0
		208	#endif
		209	#ifndef POSIX_MADV_WILLNEED
		210	# define POSIX_MADV_WILLNEED 0
		211	#endif
		212	#ifndef POSIX_MADV_DONTNEED
		213	# define POSIX_MADV_DONTNEED 0
		214	#endif
		215
		216	#if !HAVE_POSIX_MADVISE
		217	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		218	#endif
		219
		220	#ifndef PROT_NONE
		221	# define PROT_NONE 0
		222	#endif
		223	#ifndef PROT_READ
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_WRITE
		227	# define PROT_READ 0
		228	#endif
		229	#ifndef PROT_EXEC
		230	# define PROT_EXEC 0
		231	#endif
		232
		233	#ifndef ST_RDONLY
		234	# define ST_RDONLY 0
		235	#endif
		236	#ifndef ST_NOSUID
		237	# define ST_NOSUID 0
		238	#endif
		239	#ifndef ST_NODEV
		240	# define ST_NODEV 0
		241	#endif
		242	#ifndef ST_NOEXEC
		243	# define ST_NOEXEC 0
		244	#endif
		245	#ifndef ST_SYNCHRONOUS
		246	# define ST_SYNCHRONOUS 0
		247	#endif
		248	#ifndef ST_MANDLOCK
		249	# define ST_MANDLOCK 0
		250	#endif
		251	#ifndef ST_WRITE
		252	# define ST_WRITE 0
		253	#endif
		254	#ifndef ST_APPEND
		255	# define ST_APPEND 0
		256	#endif
		257	#ifndef ST_IMMUTABLE
		258	# define ST_IMMUTABLE 0
		259	#endif
		260	#ifndef ST_NOATIME
		261	# define ST_NOATIME 0
		262	#endif
		263	#ifndef ST_NODIRATIME
		264	# define ST_NODIRATIME 0
		265	#endif
		266	#ifndef ST_RELATIME
		267	# define ST_RELATIME 0
		268	#endif
		269
		270	#ifndef S_IFIFO
		271	# define S_IFIFO 0
		272	#endif
		273	#ifndef S_IFCHR
		274	# define S_IFCHR 0
		275	#endif
		276	#ifndef S_IFBLK
		277	# define S_IFBLK 0
		278	#endif
		279	#ifndef S_IFLNK
		280	# define S_IFLNK 0
		281	#endif
		282	#ifndef S_IFREG
		283	# define S_IFREG 0
		284	#endif
		285	#ifndef S_IFDIR
		286	# define S_IFDIR 0
		287	#endif
		288	#ifndef S_IFWHT
		289	# define S_IFWHT 0
		290	#endif
		291	#ifndef S_IFSOCK
		292	# define S_IFSOCK 0
		293	#endif
		294
		295	#ifndef MAP_ANONYMOUS
		296	# ifdef MAP_ANON
		297	# define MAP_ANONYMOUS MAP_ANON
		298	# else
		299	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		300	# endif
		301	#endif
		302	#ifndef MAP_HUGETLB
		303	# define MAP_HUGETLB 0
		304	#endif
		305	#ifndef MAP_LOCKED
		306	# define MAP_LOCKED 0
		307	#endif
		308	#ifndef MAP_NORESERVE
		309	# define MAP_NORESERVE 0
		310	#endif
		311	#ifndef MAP_POPULATE
		312	# define MAP_POPULATE 0
		313	#endif
		314	#ifndef MAP_NONBLOCK
		315	# define MAP_NONBLOCK 0
		316	#endif
		317
		318	#ifndef makedev
		319	# define makedev(maj,min) (((maj) << 8) | (min))
		320	#endif
		321	#ifndef major
		322	# define major(dev) ((dev) >> 8)
		323	#endif
		324	#ifndef minor
		325	# define minor(dev) ((dev) & 0xff)
		326	#endif
		327
		328	#ifndef PAGESIZE
		329	# define PAGESIZE sysconf (_SC_PAGESIZE)
		330	#endif
		331
191	enum {	332	enum {
192	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	333	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
193	};	334	};
194		335
195	#include "libeio/eio.c"
196
197	typedef eio_req *aio_req;	336	typedef eio_req *aio_req;
198	typedef eio_req *aio_req_ornot;	337	typedef eio_req *aio_req_ornot;
		338	typedef eio_wd aio_wd;
199		339
200	static SV *on_next_submit;	340	static SV *on_next_submit;
201	static int next_pri = EIO_PRI_DEFAULT;	341	static int next_pri = EIO_PRI_DEFAULT;
202	static int max_outstanding;	342	static int max_outstanding;
203		343
204	static s_epipe respipe;	344	static s_epipe respipe;
205		345
206	static void req_destroy (aio_req req);	346	static void req_destroy (aio_req req);
207	static void req_cancel (aio_req req);	347	static void req_cancel (aio_req req);
208		348
209	static void want_poll (void)	349	static void
		350	want_poll (void)
210	{	351	{
211	/* write a dummy byte to the pipe so fh becomes ready */	352	/* write a dummy byte to the pipe so fh becomes ready */
212	s_epipe_signal (&respipe);	353	s_epipe_signal (&respipe);
213	}	354	}
214		355
215	static void done_poll (void)	356	static void
		357	done_poll (void)
216	{	358	{
217	/* read any signals sent by the worker threads */	359	/* read any signals sent by the worker threads */
218	s_epipe_drain (&respipe);	360	s_epipe_drain (&respipe);
219	}	361	}
220		362
221	/* must be called at most once */	363	/* must be called at most once */
		364	static SV *
222	static SV *req_sv (aio_req req, HV *stash)	365	req_sv (aio_req req, HV *stash)
223	{	366	{
224	if (!req->self)	367	if (!req->self)
225	{	368	{
226	req->self = (SV *)newHV ();	369	req->self = (SV *)newHV ();
227	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	370	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
228	}	371	}
229		372
230	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	373	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
231	}	374	}
232		375
233	static aio_req SvAIO_REQ (SV *sv)	376	static SV *
		377	newSVaio_wd (aio_wd wd)
		378	{
		379	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		380	}
		381
		382	static aio_req
		383	SvAIO_REQ (SV *sv)
234	{	384	{
235	MAGIC *mg;	385	MAGIC *mg;
236		386
237	if (!SvROK (sv)	387	if (!SvROK (sv)
		388	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
238	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	389	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
239	&& SvSTASH (SvRV (sv)) != aio_req_stash	390	&& SvSTASH (SvRV (sv)) != aio_req_stash
240	&& !sv_derived_from (sv, "IO::AIO::REQ")))	391	&& !sv_derived_from (sv, "IO::AIO::REQ")))
241	croak ("object of class IO::AIO::REQ expected");	392	croak ("object of class IO::AIO::REQ expected");
242		393
243	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	394	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
244		395
245	return mg ? (aio_req)mg->mg_ptr : 0;	396	return mg ? (aio_req)mg->mg_ptr : 0;
246	}	397	}
247		398
		399	static aio_wd
		400	SvAIO_WD (SV *sv)
		401	{
		402	if (!SvROK (sv)
		403	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		404	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		405	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		406
		407	return (aio_wd)(long)SvIVX (SvRV (sv));
		408	}
		409
		410	static void
248	static void aio_grp_feed (aio_req grp)	411	aio_grp_feed (aio_req grp)
249	{	412	{
250	if (grp->sv2 && SvOK (grp->sv2))	413	if (grp->sv2 && SvOK (grp->sv2))
251	{	414	{
252	dSP;	415	dSP;
253		416
…		…
261	FREETMPS;	424	FREETMPS;
262	LEAVE;	425	LEAVE;
263	}	426	}
264	}	427	}
265		428
		429	static void
266	static void req_submit (eio_req *req)	430	req_submit (eio_req *req)
267	{	431	{
268	eio_submit (req);	432	eio_submit (req);
269		433
270	if (expect_false (on_next_submit))	434	if (expect_false (on_next_submit))
271	{	435	{
…		…
278	PUTBACK;	442	PUTBACK;
279	call_sv (cb, G_DISCARD | G_EVAL);	443	call_sv (cb, G_DISCARD | G_EVAL);
280	}	444	}
281	}	445	}
282		446
		447	static int
283	static int req_invoke (eio_req *req)	448	req_invoke (eio_req *req)
284	{	449	{
285	dSP;
286
287	if (req->flags & FLAG_SV2_RO_OFF)	450	if (req->flags & FLAG_SV2_RO_OFF)
288	SvREADONLY_off (req->sv2);	451	SvREADONLY_off (req->sv2);
289		452
290	if (!EIO_CANCELLED (req) && req->callback)	453	if (!EIO_CANCELLED (req) && req->callback)
291	{	454	{
		455	dSP;
		456	static SV *sv_result_cache; /* caches the result integer SV */
		457	SV *sv_result;
		458
292	ENTER;	459	ENTER;
293	SAVETMPS;	460	SAVETMPS;
294	PUSHMARK (SP);	461	PUSHMARK (SP);
295	EXTEND (SP, 1);	462	EXTEND (SP, 1);
296		463
		464	/* do not recreate the result IV from scratch each time */
		465	if (expect_true (sv_result_cache))
		466	{
		467	sv_result = sv_result_cache; sv_result_cache = 0;
		468	SvIV_set (sv_result, req->result);
		469	SvIOK_only (sv_result);
		470	}
		471	else
		472	{
		473	sv_result = newSViv (req->result);
		474	SvREADONLY_on (sv_result);
		475	}
		476
297	switch (req->type)	477	switch (req->type)
298	{	478	{
		479	case EIO_WD_OPEN:
		480	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		481	break;
		482
299	case EIO_READDIR:	483	case EIO_READDIR:
300	{	484	{
301	SV *rv = &PL_sv_undef;	485	SV *rv = &PL_sv_undef;
302		486
303	if (req->result >= 0)	487	if (req->result >= 0)
…		…
391	case EIO_STATVFS:	575	case EIO_STATVFS:
392	case EIO_FSTATVFS:	576	case EIO_FSTATVFS:
393	{	577	{
394	SV *rv = &PL_sv_undef;	578	SV *rv = &PL_sv_undef;
395		579
		580	#ifndef _WIN32
396	if (req->result >= 0)	581	if (req->result >= 0)
397	{	582	{
398	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	583	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399	HV *hv = newHV ();	584	HV *hv = newHV ();
400		585
401	rv = sv_2mortal (newRV_noinc (hv));	586	rv = sv_2mortal (newRV_noinc ((SV *)hv));
402		587
403	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	588	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
404	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	589	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
405	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);	590	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
406	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	591	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
…		…
410	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	595	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
411	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	596	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
412	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	597	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
413	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	598	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
414	}	599	}
		600	#endif
415		601
416	PUSHs (rv);	602	PUSHs (rv);
417	}	603	}
418		604
419	break;	605	break;
…		…
435	case EIO_NOP:	621	case EIO_NOP:
436	case EIO_BUSY:	622	case EIO_BUSY:
437	break;	623	break;
438		624
439	case EIO_READLINK:	625	case EIO_READLINK:
		626	case EIO_REALPATH:
440	if (req->result > 0)	627	if (req->result > 0)
441	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	628	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
442	break;	629	break;
443		630
444	case EIO_STAT:	631	case EIO_STAT:
445	case EIO_LSTAT:	632	case EIO_LSTAT:
446	case EIO_FSTAT:	633	case EIO_FSTAT:
447	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	634	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		635
448	PL_laststatval = req->result;	636	if (!(PL_laststatval = req->result))
		637	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
449	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	638	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
450	PUSHs (sv_2mortal (newSViv (req->result)));	639
		640	PUSHs (sv_result);
451	break;	641	break;
452		642
453	case EIO_READ:	643	case EIO_READ:
454	{	644	{
455	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	645	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
456	*SvEND (req->sv2) = 0;	646	*SvEND (req->sv2) = 0;
457	SvPOK_only (req->sv2);	647	SvPOK_only (req->sv2);
458	SvSETMAGIC (req->sv2);	648	SvSETMAGIC (req->sv2);
459	PUSHs (sv_2mortal (newSViv (req->result)));	649	PUSHs (sv_result);
460	}	650	}
461	break;	651	break;
462		652
463	case EIO_DUP2:	653	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
464	if (req->result > 0)	654	if (req->result > 0)
465	req->result = 0;	655	SvIV_set (sv_result, 0);
466	/* FALLTHROUGH */	656	/* FALLTHROUGH */
467		657
468	default:	658	default:
469	PUSHs (sv_2mortal (newSViv (req->result)));	659	PUSHs (sv_result);
470	break;	660	break;
471	}	661	}
472		662
473	errno = req->errorno;	663	errno = req->errorno;
474		664
475	PUTBACK;	665	PUTBACK;
476	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	666	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
477	SPAGAIN;	667	SPAGAIN;
478		668
		669	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		670	SvREFCNT_dec (sv_result);
		671	else
		672	sv_result_cache = sv_result;
		673
479	FREETMPS;	674	FREETMPS;
480	LEAVE;	675	LEAVE;
481		676
482	PUTBACK;	677	PUTBACK;
483	}	678	}
484		679
485	return !!SvTRUE (ERRSV);	680	return !!SvTRUE (ERRSV);
486	}	681	}
487		682
		683	static void
488	static void req_destroy (aio_req req)	684	req_destroy (aio_req req)
489	{	685	{
490	if (req->self)	686	if (req->self)
491	{	687	{
492	sv_unmagic (req->self, PERL_MAGIC_ext);	688	sv_unmagic (req->self, PERL_MAGIC_ext);
493	SvREFCNT_dec (req->self);	689	SvREFCNT_dec (req->self);
494	}	690	}
495		691
496	SvREFCNT_dec (req->sv1);	692	SvREFCNT_dec (req->sv1);
497	SvREFCNT_dec (req->sv2);	693	SvREFCNT_dec (req->sv2);
		694	SvREFCNT_dec (req->sv3);
		695	SvREFCNT_dec (req->sv4);
498	SvREFCNT_dec (req->callback);	696	SvREFCNT_dec (req->callback);
499		697
500	Safefree (req);	698	free (req);
501	}	699	}
502		700
		701	static void
503	static void req_cancel_subs (aio_req grp)	702	req_cancel_subs (aio_req grp)
504	{	703	{
505	aio_req sub;
506
507	if (grp->type != EIO_GROUP)	704	if (grp->type != EIO_GROUP)
508	return;	705	return;
509		706
510	SvREFCNT_dec (grp->sv2);	707	SvREFCNT_dec (grp->sv2);
511	grp->sv2 = 0;	708	grp->sv2 = 0;
512		709
513	eio_grp_cancel (grp);	710	eio_grp_cancel (grp);
514	}	711	}
515		712
516	static void	713	static void ecb_cold
517	create_respipe (void)	714	create_respipe (void)
518	{	715	{
519	if (s_epipe_renew (&respipe))	716	if (s_epipe_renew (&respipe))
520	croak ("IO::AIO: unable to initialize result pipe");	717	croak ("IO::AIO: unable to initialize result pipe");
521	}	718	}
522		719
523	static void poll_wait (void)	720	static void
		721	poll_wait (void)
524	{	722	{
525	while (eio_nreqs ())	723	while (eio_nreqs ())
526	{	724	{
527	int size;	725	int size;
528		726
…		…
537		735
538	s_epipe_wait (&respipe);	736	s_epipe_wait (&respipe);
539	}	737	}
540	}	738	}
541		739
542	static int poll_cb (void)	740	static int
		741	poll_cb (void)
543	{	742	{
544	for (;;)	743	for (;;)
545	{	744	{
546	int res = eio_poll ();	745	int res = eio_poll ();
547		746
…		…
553		752
554	poll_wait ();	753	poll_wait ();
555	}	754	}
556	}	755	}
557		756
558	static void atfork_child (void)	757	static void ecb_cold
		758	reinit (void)
559	{	759	{
560	create_respipe ();	760	create_respipe ();
		761
		762	if (eio_init (want_poll, done_poll) < 0)
		763	croak ("IO::AIO: unable to initialise eio library");
561	}	764	}
		765
		766	/*****************************************************************************/
		767
		768	#if !_POSIX_MAPPED_FILES
		769	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		770	# define munmap(addr,length) (errno = ENOSYS, -1)
		771	#endif
		772
		773	#if !_POSIX_MEMORY_PROTECTION
		774	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		775	# define PROT_NONE 0
		776	# define PROT_WRITE 0
		777	# define MAP_PRIVATE 0
		778	# define MAP_SHARED 0
		779	# define MAP_FIXED 0
		780	#endif
		781
		782	#define MMAP_MAGIC PERL_MAGIC_ext
		783
		784	static int ecb_cold
		785	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		786	{
		787	int old_errno = errno;
		788	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		789	errno = old_errno;
		790
		791	mg->mg_obj = 0; /* just in case */
		792
		793	SvREADONLY_off (sv);
		794
		795	if (SvPVX (sv) != mg->mg_ptr)
		796	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		797
		798	SvCUR_set (sv, 0);
		799	SvPVX (sv) = 0;
		800	SvOK_off (sv);
		801
		802	return 0;
		803	}
		804
		805	static MGVTBL mmap_vtbl = {
		806	0, 0, 0, 0, mmap_free
		807	};
		808
		809	/*****************************************************************************/
562		810
563	static SV *	811	static SV *
564	get_cb (SV *cb_sv)	812	get_cb (SV *cb_sv)
565	{	813	{
566	SvGETMAGIC (cb_sv);	814	SvGETMAGIC (cb_sv);
567	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	815	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
568	}	816	}
569		817
		818	static aio_req ecb_noinline
		819	dreq (SV *callback)
		820	{
		821	SV *cb_cv;
		822	aio_req req;
		823	int req_pri = next_pri;
		824	next_pri = EIO_PRI_DEFAULT;
		825
		826	cb_cv = get_cb (callback);
		827
		828	req = calloc (sizeof (*req), 1);
		829	if (!req)
		830	croak ("out of memory during eio_req allocation");
		831
		832	req->callback = SvREFCNT_inc (cb_cv);
		833	req->pri = req_pri;
		834
		835	return req;
		836	}
		837
570	#define dREQ \	838	#define dREQ \
571	SV *cb_cv; \	839	aio_req req = dreq (callback); \
572	aio_req req; \
573	int req_pri = next_pri; \
574	next_pri = EIO_PRI_DEFAULT; \
575	\
576	cb_cv = get_cb (callback); \
577	\
578	Newz (0, req, 1, eio_req); \
579	if (!req) \
580	croak ("out of memory during eio_req allocation"); \
581	\
582	req->callback = SvREFCNT_inc (cb_cv); \
583	req->pri = req_pri
584		840
585	#define REQ_SEND \	841	#define REQ_SEND \
586	PUTBACK; \	842	PUTBACK; \
587	req_submit (req); \	843	req_submit (req); \
588	SPAGAIN; \	844	SPAGAIN; \
589	\	845	\
590	if (GIMME_V != G_VOID) \	846	if (GIMME_V != G_VOID) \
591	XPUSHs (req_sv (req, aio_req_stash));	847	XPUSHs (req_sv (req, aio_req_stash));
592		848
		849	ecb_inline void
		850	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		851	{
		852	if (expect_false (SvROK (path)))
		853	{
		854	SV *rv = SvRV (path);
		855	SV *wdob;
		856
		857	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		858	{
		859	path = AvARRAY (rv)[1];
		860	wdob = AvARRAY (rv)[0];
		861
		862	if (SvOK (wdob))
		863	{
		864	*wd = SvAIO_WD (wdob);
		865	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		866	}
		867	else
		868	*wd = EIO_INVALID_WD;
		869	}
		870	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		871	{
		872	*wd = (aio_wd)(long)SvIVX (rv);
		873	*wdsv = SvREFCNT_inc_NN (rv);
		874	*ptr = ".";
		875	return; /* path set to "." */
		876	}
		877	else
		878	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		879	}
		880
		881	*pathsv = newSVsv (path);
		882	*ptr = SvPVbyte_nolen (*pathsv);
		883	}
		884
		885	static void ecb_noinline
		886	req_set_path1 (aio_req req, SV *path)
		887	{
		888	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		889	}
		890
		891	static void ecb_noinline
		892	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		893	{
		894	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		895
		896	switch (SvTYPE (rv))
		897	{
		898	case SVt_PVIO:
		899	case SVt_PVLV:
		900	case SVt_PVGV:
		901	req->type = type_fh;
		902	req->sv1 = newSVsv (fh_or_path);
		903	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		904	break;
		905
		906	default:
		907	req->type = type_path;
		908	req_set_path1 (req, fh_or_path);
		909	break;
		910	}
		911	}
		912
		913	XS(boot_IO__AIO) ecb_cold;
		914
593	MODULE = IO::AIO PACKAGE = IO::AIO	915	MODULE = IO::AIO PACKAGE = IO::AIO
594		916
595	PROTOTYPES: ENABLE	917	PROTOTYPES: ENABLE
596		918
597	BOOT:	919	BOOT:
598	{	920	{
599	static const struct {	921	static const struct {
600	const char *name;	922	const char *name;
601	IV iv;	923	IV iv;
602	} *civ, const_iv[] = {	924	} *civ, const_iv[] = {
603	# define const_iv(name, value) { # name, (IV) value },	925	# define const_niv(name, value) { # name, (IV) value },
		926	# define const_iv(name) { # name, (IV) name },
604	# define const_eio(name) { # name, (IV) EIO_ ## name },	927	# define const_eio(name) { # name, (IV) EIO_ ## name },
605	const_iv (EXDEV , EXDEV)	928	const_iv (EXDEV)
606	const_iv (ENOSYS , ENOSYS)	929	const_iv (ENOSYS)
607	const_iv (O_RDONLY, O_RDONLY)	930	const_iv (O_RDONLY)
608	const_iv (O_WRONLY, O_WRONLY)	931	const_iv (O_WRONLY)
		932	const_iv (O_RDWR)
609	const_iv (O_CREAT , O_CREAT)	933	const_iv (O_CREAT)
610	const_iv (O_TRUNC , O_TRUNC)	934	const_iv (O_TRUNC)
611	#ifndef _WIN32	935	const_iv (O_EXCL)
		936	const_iv (O_APPEND)
		937
		938	const_iv (O_ASYNC)
		939	const_iv (O_DIRECT)
		940	const_iv (O_NOATIME)
		941
		942	const_iv (O_CLOEXEC)
		943	const_iv (O_NOCTTY)
		944	const_iv (O_NOFOLLOW)
		945	const_iv (O_NONBLOCK)
		946	const_iv (O_EXEC)
		947	const_iv (O_SEARCH)
		948	const_iv (O_DIRECTORY)
		949	const_iv (O_DSYNC)
		950	const_iv (O_RSYNC)
		951	const_iv (O_SYNC)
		952	const_iv (O_TTY_INIT)
		953
612	const_iv (S_IFIFO , S_IFIFO)	954	const_iv (S_IFIFO)
613	#endif	955	const_iv (S_IFCHR)
		956	const_iv (S_IFBLK)
		957	const_iv (S_IFLNK)
		958	const_iv (S_IFREG)
		959	const_iv (S_IFDIR)
		960	const_iv (S_IFWHT)
		961	const_iv (S_IFSOCK)
		962	const_iv (S_IFMT)
		963
614	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	964	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	965	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	966	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	967	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	968	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	969	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620		970
621	const_iv (ST_RDONLY , ST_RDONLY)	971	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
622	const_iv (ST_NOSUID , ST_NOSUID)	972	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
623	const_iv (ST_NODEV , ST_NODEV)	973	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
624	const_iv (ST_NOEXEC , ST_NOEXEC)	974	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		975	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		976
		977	const_iv (ST_RDONLY)
		978	const_iv (ST_NOSUID)
		979	const_iv (ST_NODEV)
		980	const_iv (ST_NOEXEC)
625	const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)	981	const_iv (ST_SYNCHRONOUS)
626	const_iv (ST_MANDLOCK , ST_MANDLOCK)	982	const_iv (ST_MANDLOCK)
627	const_iv (ST_WRITE , ST_WRITE)	983	const_iv (ST_WRITE)
628	const_iv (ST_APPEND , ST_APPEND)	984	const_iv (ST_APPEND)
629	const_iv (ST_IMMUTABLE , ST_IMMUTABLE)	985	const_iv (ST_IMMUTABLE)
630	const_iv (ST_NOATIME , ST_NOATIME)	986	const_iv (ST_NOATIME)
631	const_iv (ST_NODIRATIME , ST_NODIRATIME)	987	const_iv (ST_NODIRATIME)
632	const_iv (ST_RELATIME , ST_RELATIME)	988	const_iv (ST_RELATIME)
		989
		990	const_iv (PROT_NONE)
		991	const_iv (PROT_EXEC)
		992	const_iv (PROT_READ)
		993	const_iv (PROT_WRITE)
		994
		995	/*const_iv (MAP_FIXED)*/
		996	const_iv (MAP_PRIVATE)
		997	const_iv (MAP_SHARED)
		998	const_iv (MAP_ANONYMOUS)
		999
		1000	/* linuxish */
		1001	const_iv (MAP_HUGETLB)
		1002	const_iv (MAP_LOCKED)
		1003	const_iv (MAP_NORESERVE)
		1004	const_iv (MAP_POPULATE)
		1005	const_iv (MAP_NONBLOCK)
		1006
		1007	const_eio (MCL_FUTURE)
		1008	const_eio (MCL_CURRENT)
633		1009
634	const_eio (MS_ASYNC)	1010	const_eio (MS_ASYNC)
635	const_eio (MS_INVALIDATE)	1011	const_eio (MS_INVALIDATE)
636	const_eio (MS_SYNC)	1012	const_eio (MS_SYNC)
637		1013
638	const_eio (MT_MODIFY)	1014	const_eio (MT_MODIFY)
639		1015
640	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1016	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641	const_eio (SYNC_FILE_RANGE_WRITE)	1017	const_eio (SYNC_FILE_RANGE_WRITE)
642	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1018	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1019
		1020	const_eio (FALLOC_FL_KEEP_SIZE)
643		1021
644	const_eio (READDIR_DENTS)	1022	const_eio (READDIR_DENTS)
645	const_eio (READDIR_DIRS_FIRST)	1023	const_eio (READDIR_DIRS_FIRST)
646	const_eio (READDIR_STAT_ORDER)	1024	const_eio (READDIR_STAT_ORDER)
647	const_eio (READDIR_FOUND_UNKNOWN)	1025	const_eio (READDIR_FOUND_UNKNOWN)
…		…
658	};	1036	};
659		1037
660	aio_stash = gv_stashpv ("IO::AIO" , 1);	1038	aio_stash = gv_stashpv ("IO::AIO" , 1);
661	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1039	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1040	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1041	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
663		1042
664	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1043	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
665	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1044	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
666		1045
667	create_respipe ();	1046	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
668		1047
669	if (eio_init (want_poll, done_poll) < 0)	1048	reinit ();
670	croak ("IO::AIO: unable to initialise eio library");
671
672	/* atfork child called in fifo order, so before eio's handler */
673	X_THREAD_ATFORK (0, 0, atfork_child);
674	}	1049	}
675		1050
676	void	1051	void
		1052	reinit ()
		1053	PROTOTYPE:
		1054
		1055	void
677	max_poll_reqs (int nreqs)	1056	max_poll_reqs (unsigned int nreqs)
678	PROTOTYPE: $	1057	PROTOTYPE: $
679	CODE:	1058	CODE:
680	eio_set_max_poll_reqs (nreqs);	1059	eio_set_max_poll_reqs (nreqs);
681		1060
682	void	1061	void
…		…
684	PROTOTYPE: $	1063	PROTOTYPE: $
685	CODE:	1064	CODE:
686	eio_set_max_poll_time (nseconds);	1065	eio_set_max_poll_time (nseconds);
687		1066
688	void	1067	void
689	min_parallel (int nthreads)	1068	min_parallel (unsigned int nthreads)
690	PROTOTYPE: $	1069	PROTOTYPE: $
691	CODE:	1070	CODE:
692	eio_set_min_parallel (nthreads);	1071	eio_set_min_parallel (nthreads);
693		1072
694	void	1073	void
695	max_parallel (int nthreads)	1074	max_parallel (unsigned int nthreads)
696	PROTOTYPE: $	1075	PROTOTYPE: $
697	CODE:	1076	CODE:
698	eio_set_max_parallel (nthreads);	1077	eio_set_max_parallel (nthreads);
699		1078
700	void	1079	void
701	max_idle (int nthreads)	1080	max_idle (unsigned int nthreads)
702	PROTOTYPE: $	1081	PROTOTYPE: $
703	CODE:	1082	CODE:
704	eio_set_max_idle (nthreads);	1083	eio_set_max_idle (nthreads);
705		1084
706	void	1085	void
		1086	idle_timeout (unsigned int seconds)
		1087	PROTOTYPE: $
		1088	CODE:
		1089	eio_set_idle_timeout (seconds);
		1090
		1091	void
707	max_outstanding (int maxreqs)	1092	max_outstanding (unsigned int maxreqs)
708	PROTOTYPE: $	1093	PROTOTYPE: $
709	CODE:	1094	CODE:
710	max_outstanding = maxreqs;	1095	max_outstanding = maxreqs;
711		1096
712	void	1097	void
		1098	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1099	PPCODE:
		1100	{
		1101	dREQ;
		1102
		1103	req->type = EIO_WD_OPEN;
		1104	req_set_path1 (req, pathname);
		1105
		1106	REQ_SEND;
		1107	}
		1108
		1109	void
713	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1110	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
714	PROTOTYPE: $$$;$
715	PPCODE:	1111	PPCODE:
716	{	1112	{
717	dREQ;	1113	dREQ;
718		1114
719	req->type = EIO_OPEN;	1115	req->type = EIO_OPEN;
720	req->sv1 = newSVsv (pathname);	1116	req_set_path1 (req, pathname);
721	req->ptr1 = SvPVbyte_nolen (req->sv1);
722	req->int1 = flags;	1117	req->int1 = flags;
723	req->int2 = mode;	1118	req->int2 = mode;
724		1119
725	REQ_SEND;	1120	REQ_SEND;
726	}	1121	}
727		1122
728	void	1123	void
729	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1124	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730	PROTOTYPE: $;$
731	ALIAS:	1125	ALIAS:
732	aio_fsync = EIO_FSYNC	1126	aio_fsync = EIO_FSYNC
733	aio_fdatasync = EIO_FDATASYNC	1127	aio_fdatasync = EIO_FDATASYNC
		1128	aio_syncfs = EIO_SYNCFS
734	PPCODE:	1129	PPCODE:
735	{	1130	{
736	int fd = s_fileno_croak (fh, 0);	1131	int fd = s_fileno_croak (fh, 0);
737	dREQ;	1132	dREQ;
738		1133
…		…
743	REQ_SEND (req);	1138	REQ_SEND (req);
744	}	1139	}
745		1140
746	void	1141	void
747	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1142	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748	PROTOTYPE: $$$$;$
749	PPCODE:	1143	PPCODE:
750	{	1144	{
751	int fd = s_fileno_croak (fh, 0);	1145	int fd = s_fileno_croak (fh, 0);
752	dREQ;	1146	dREQ;
753		1147
…		…
760		1154
761	REQ_SEND (req);	1155	REQ_SEND (req);
762	}	1156	}
763		1157
764	void	1158	void
765	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1159	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
766	PROTOTYPE: $;$
767	PPCODE:	1160	PPCODE:
768	{	1161	{
769	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
771	dREQ;	1163	dREQ;
772		1164
773	if (close_pipe < 0)	1165	req->type = EIO_FALLOCATE;
		1166	req->sv1 = newSVsv (fh);
		1167	req->int1 = fd;
		1168	req->int2 = mode;
		1169	req->offs = offset;
		1170	req->size = len;
		1171
		1172	REQ_SEND (req);
		1173	}
		1174
		1175	void
		1176	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1177	PPCODE:
		1178	{
		1179	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1180	int fd = s_fileno_croak (fh, 0);
		1181	dREQ;
		1182
		1183	if (expect_false (close_fd < 0))
774	{	1184	{
775	int pipefd [2];	1185	int pipefd [2];
776		1186
		1187	if (
		1188	#ifdef _WIN32
		1189	_pipe (pipefd, 1, _O_BINARY) < 0
		1190	#else
777	if (pipe (pipefd) < 0	1191	pipe (pipefd) < 0
778	|| close (pipefd [1]) < 0
779	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1192	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1193	#endif
		1194	|| close (pipefd [1]) < 0
		1195	)
780	abort (); /*D*/	1196	abort (); /*D*/
781		1197
782	close_pipe = pipefd [0];	1198	close_fd = pipefd [0];
783	}	1199	}
784		1200
785	req->type = EIO_DUP2;	1201	req->type = EIO_DUP2;
786	req->int1 = close_pipe;	1202	req->int1 = close_fd;
787	req->sv2 = newSVsv (fh);	1203	req->sv2 = newSVsv (fh);
788	req->int2 = fd;	1204	req->int2 = fd;
789		1205
790	REQ_SEND (req);	1206	REQ_SEND (req);
791	}	1207	}
…		…
793	void	1209	void
794	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1210	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
795	ALIAS:	1211	ALIAS:
796	aio_read = EIO_READ	1212	aio_read = EIO_READ
797	aio_write = EIO_WRITE	1213	aio_write = EIO_WRITE
798	PROTOTYPE: $$$$$;$
799	PPCODE:	1214	PPCODE:
800	{	1215	{
801	STRLEN svlen;	1216	STRLEN svlen;
802	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1217	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803	char *svptr = SvPVbyte (data, svlen);	1218	char *svptr = SvPVbyte (data, svlen);
…		…
843	REQ_SEND;	1258	REQ_SEND;
844	}	1259	}
845	}	1260	}
846		1261
847	void	1262	void
848	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1263	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
849	PROTOTYPE: $$;$	1264	ALIAS:
		1265	aio_readlink = EIO_READLINK
		1266	aio_realpath = EIO_REALPATH
850	PPCODE:	1267	PPCODE:
851	{	1268	{
852	SV *data;
853	dREQ;	1269	dREQ;
854		1270
855	req->type = EIO_READLINK;	1271	req->type = ix;
856	req->sv1 = newSVsv (path);	1272	req_set_path1 (req, pathname);
857	req->ptr1 = SvPVbyte_nolen (req->sv1);
858		1273
859	REQ_SEND;	1274	REQ_SEND;
860	}	1275	}
861		1276
862	void	1277	void
863	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1278	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
864	PROTOTYPE: $$$$;$
865	PPCODE:	1279	PPCODE:
866	{	1280	{
867	int ifd = s_fileno_croak (in_fh , 0);	1281	int ifd = s_fileno_croak (in_fh , 0);
868	int ofd = s_fileno_croak (out_fh, 1);	1282	int ofd = s_fileno_croak (out_fh, 1);
869	dREQ;	1283	dREQ;
…		…
879	REQ_SEND;	1293	REQ_SEND;
880	}	1294	}
881		1295
882	void	1296	void
883	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1297	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884	PROTOTYPE: $$$;$
885	PPCODE:	1298	PPCODE:
886	{	1299	{
887	int fd = s_fileno_croak (fh, 0);	1300	int fd = s_fileno_croak (fh, 0);
888	dREQ;	1301	dREQ;
889		1302
…		…
904	aio_statvfs = EIO_STATVFS	1317	aio_statvfs = EIO_STATVFS
905	PPCODE:	1318	PPCODE:
906	{	1319	{
907	dREQ;	1320	dREQ;
908		1321
909	req->sv1 = newSVsv (fh_or_path);	1322	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
910
911	if (SvPOK (req->sv1))
912	{
913	req->type = ix;
914	req->ptr1 = SvPVbyte_nolen (req->sv1);
915	}
916	else
917	{
918	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
919	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
920	}
921		1323
922	REQ_SEND;	1324	REQ_SEND;
923	}	1325	}
		1326
		1327	UV
		1328	major (UV dev)
		1329	ALIAS:
		1330	minor = 1
		1331	CODE:
		1332	RETVAL = ix ? major (dev) : minor (dev);
		1333	OUTPUT:
		1334	RETVAL
		1335
		1336	UV
		1337	makedev (UV maj, UV min)
		1338	CODE:
		1339	RETVAL = makedev (maj, min);
		1340	OUTPUT:
		1341	RETVAL
924		1342
925	void	1343	void
926	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1344	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
927	PPCODE:	1345	PPCODE:
928	{	1346	{
929	dREQ;	1347	dREQ;
930		1348
931	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1349	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
932	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1350	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
933	req->sv1 = newSVsv (fh_or_path);	1351	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
934
935	if (SvPOK (req->sv1))
936	{
937	req->type = EIO_UTIME;
938	req->ptr1 = SvPVbyte_nolen (req->sv1);
939	}
940	else
941	{
942	req->type = EIO_FUTIME;
943	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
944	}
945		1352
946	REQ_SEND;	1353	REQ_SEND;
947	}	1354	}
948		1355
949	void	1356	void
950	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1357	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
951	PPCODE:	1358	PPCODE:
952	{	1359	{
953	dREQ;	1360	dREQ;
954		1361
955	req->sv1 = newSVsv (fh_or_path);
956	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1362	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
957		1363	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
958	if (SvPOK (req->sv1))
959	{
960	req->type = EIO_TRUNCATE;
961	req->ptr1 = SvPVbyte_nolen (req->sv1);
962	}
963	else
964	{
965	req->type = EIO_FTRUNCATE;
966	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
967	}
968		1364
969	REQ_SEND;	1365	REQ_SEND;
970	}	1366	}
971		1367
972	void	1368	void
973	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1369	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
974	ALIAS:
975	aio_chmod = EIO_CHMOD
976	aio_mkdir = EIO_MKDIR
977	PPCODE:	1370	PPCODE:
978	{	1371	{
979	dREQ;	1372	dREQ;
980		1373
981	req->int2 = mode;	1374	req->int2 = mode;
982	req->sv1 = newSVsv (fh_or_path);	1375	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
983
984	if (SvPOK (req->sv1))
985	{
986	req->type = ix;
987	req->ptr1 = SvPVbyte_nolen (req->sv1);
988	}
989	else
990	{
991	req->type = EIO_FCHMOD;
992	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
993	}
994		1376
995	REQ_SEND;	1377	REQ_SEND;
996	}	1378	}
997		1379
998	void	1380	void
…		…
1001	{	1383	{
1002	dREQ;	1384	dREQ;
1003		1385
1004	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1386	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1005	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1387	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1006	req->sv1 = newSVsv (fh_or_path);	1388	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1007
1008	if (SvPOK (req->sv1))
1009	{
1010	req->type = EIO_CHOWN;
1011	req->ptr1 = SvPVbyte_nolen (req->sv1);
1012	}
1013	else
1014	{
1015	req->type = EIO_FCHOWN;
1016	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1017	}
1018		1389
1019	REQ_SEND;	1390	REQ_SEND;
1020	}	1391	}
1021		1392
1022	void	1393	void
…		…
1024	PPCODE:	1395	PPCODE:
1025	{	1396	{
1026	dREQ;	1397	dREQ;
1027		1398
1028	req->type = EIO_READDIR;	1399	req->type = EIO_READDIR;
1029	req->sv1 = newSVsv (pathname);
1030	req->ptr1 = SvPVbyte_nolen (req->sv1);
1031	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1400	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1032		1401
1033	if (flags & EIO_READDIR_DENTS)	1402	if (flags & EIO_READDIR_DENTS)
1034	req->int1 |= EIO_READDIR_CUSTOM2;	1403	req->int1 |= EIO_READDIR_CUSTOM2;
1035		1404
		1405	req_set_path1 (req, pathname);
		1406
1036	REQ_SEND;	1407	REQ_SEND;
		1408	}
		1409
		1410	void
		1411	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1412	PPCODE:
		1413	{
		1414	dREQ;
		1415
		1416	req->type = EIO_MKDIR;
		1417	req->int2 = mode;
		1418	req_set_path1 (req, pathname);
		1419
		1420	REQ_SEND;
1037	}	1421	}
1038		1422
1039	void	1423	void
1040	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1424	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1041	ALIAS:	1425	ALIAS:
…		…
1045	PPCODE:	1429	PPCODE:
1046	{	1430	{
1047	dREQ;	1431	dREQ;
1048		1432
1049	req->type = ix;	1433	req->type = ix;
1050	req->sv1 = newSVsv (pathname);	1434	req_set_path1 (req, pathname);
1051	req->ptr1 = SvPVbyte_nolen (req->sv1);
1052		1435
1053	REQ_SEND;	1436	REQ_SEND;
1054	}	1437	}
1055		1438
1056	void	1439	void
…		…
1059	aio_link = EIO_LINK	1442	aio_link = EIO_LINK
1060	aio_symlink = EIO_SYMLINK	1443	aio_symlink = EIO_SYMLINK
1061	aio_rename = EIO_RENAME	1444	aio_rename = EIO_RENAME
1062	PPCODE:	1445	PPCODE:
1063	{	1446	{
		1447	eio_wd wd2 = 0;
1064	dREQ;	1448	dREQ;
1065		1449
1066	req->type = ix;	1450	req->type = ix;
1067	req->sv1 = newSVsv (oldpath);	1451	req_set_path1 (req, oldpath);
1068	req->ptr1 = SvPVbyte_nolen (req->sv1);	1452	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1069	req->sv2 = newSVsv (newpath);	1453	req->int3 = (long)wd2;
1070	req->ptr2 = SvPVbyte_nolen (req->sv2);
1071		1454
1072	REQ_SEND;	1455	REQ_SEND;
1073	}	1456	}
1074		1457
1075	void	1458	void
…		…
1077	PPCODE:	1460	PPCODE:
1078	{	1461	{
1079	dREQ;	1462	dREQ;
1080		1463
1081	req->type = EIO_MKNOD;	1464	req->type = EIO_MKNOD;
1082	req->sv1 = newSVsv (pathname);
1083	req->ptr1 = SvPVbyte_nolen (req->sv1);
1084	req->int2 = (mode_t)mode;	1465	req->int2 = (mode_t)mode;
1085	req->offs = dev;	1466	req->offs = dev;
		1467	req_set_path1 (req, pathname);
1086		1468
1087	REQ_SEND;	1469	REQ_SEND;
1088	}	1470	}
1089		1471
1090	void	1472	void
1091	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1473	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092	ALIAS:	1474	ALIAS:
1093	aio_mtouch = EIO_MTOUCH	1475	aio_mtouch = EIO_MTOUCH
1094	aio_msync = EIO_MSYNC	1476	aio_msync = EIO_MSYNC
1095	PROTOTYPE: $$$$;$
1096	PPCODE:	1477	PPCODE:
1097	{	1478	{
1098	STRLEN svlen;	1479	STRLEN svlen;
		1480	char *svptr = SvPVbyte (data, svlen);
1099	UV len = SvUV (length);	1481	UV len = SvUV (length);
1100	char *svptr = SvPVbyte (data, svlen);
1101		1482
1102	if (offset < 0)	1483	if (offset < 0)
1103	offset += svlen;	1484	offset += svlen;
1104		1485
1105	if (offset < 0 || offset > svlen)	1486	if (offset < 0 || offset > svlen)
…		…
1110		1491
1111	{	1492	{
1112	dREQ;	1493	dREQ;
1113		1494
1114	req->type = ix;	1495	req->type = ix;
1115	req->size = len;
1116	req->sv2 = SvREFCNT_inc (data);	1496	req->sv2 = SvREFCNT_inc (data);
1117	req->ptr2 = (char *)svptr + offset;	1497	req->ptr2 = (char *)svptr + offset;
		1498	req->size = len;
1118	req->int1 = flags;	1499	req->int1 = flags;
1119		1500
1120	REQ_SEND;	1501	REQ_SEND;
1121	}	1502	}
1122	}	1503	}
1123		1504
1124	void	1505	void
		1506	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1507	PPCODE:
		1508	{
		1509	STRLEN svlen;
		1510	char *svptr = SvPVbyte (data, svlen);
		1511	UV len = SvUV (length);
		1512
		1513	if (offset < 0)
		1514	offset += svlen;
		1515
		1516	if (offset < 0 || offset > svlen)
		1517	croak ("offset outside of scalar");
		1518
		1519	if (!SvOK (length) || len + offset > svlen)
		1520	len = svlen - offset;
		1521
		1522	{
		1523	dREQ;
		1524
		1525	req->type = EIO_MLOCK;
		1526	req->sv2 = SvREFCNT_inc (data);
		1527	req->ptr2 = (char *)svptr + offset;
		1528	req->size = len;
		1529
		1530	REQ_SEND;
		1531	}
		1532	}
		1533
		1534	void
		1535	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1536	PPCODE:
		1537	{
		1538	dREQ;
		1539
		1540	req->type = EIO_MLOCKALL;
		1541	req->int1 = flags;
		1542
		1543	REQ_SEND;
		1544	}
		1545
		1546	void
1125	aio_busy (double delay, SV *callback=&PL_sv_undef)	1547	aio_busy (double delay, SV *callback=&PL_sv_undef)
1126	PPCODE:	1548	PPCODE:
1127	{	1549	{
1128	dREQ;	1550	dREQ;
1129		1551
…		…
1133	REQ_SEND;	1555	REQ_SEND;
1134	}	1556	}
1135		1557
1136	void	1558	void
1137	aio_group (SV *callback=&PL_sv_undef)	1559	aio_group (SV *callback=&PL_sv_undef)
1138	PROTOTYPE: ;$
1139	PPCODE:	1560	PPCODE:
1140	{	1561	{
1141	dREQ;	1562	dREQ;
1142		1563
1143	req->type = EIO_GROUP;	1564	req->type = EIO_GROUP;
…		…
1160	REQ_SEND;	1581	REQ_SEND;
1161	}	1582	}
1162		1583
1163	int	1584	int
1164	aioreq_pri (int pri = 0)	1585	aioreq_pri (int pri = 0)
1165	PROTOTYPE: ;$
1166	CODE:	1586	CODE:
1167	RETVAL = next_pri;	1587	RETVAL = next_pri;
1168	if (items > 0)	1588	if (items > 0)
1169	{	1589	{
1170	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1590	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1182	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1602	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183	next_pri = nice;	1603	next_pri = nice;
1184		1604
1185	void	1605	void
1186	flush ()	1606	flush ()
1187	PROTOTYPE:
1188	CODE:	1607	CODE:
1189	while (eio_nreqs ())	1608	while (eio_nreqs ())
1190	{	1609	{
1191	poll_wait ();	1610	poll_wait ();
1192	poll_cb ();	1611	poll_cb ();
1193	}	1612	}
1194		1613
1195	int	1614	int
1196	poll()	1615	poll ()
1197	PROTOTYPE:
1198	CODE:	1616	CODE:
1199	poll_wait ();	1617	poll_wait ();
1200	RETVAL = poll_cb ();	1618	RETVAL = poll_cb ();
1201	OUTPUT:	1619	OUTPUT:
1202	RETVAL	1620	RETVAL
1203		1621
1204	int	1622	int
1205	poll_fileno()	1623	poll_fileno ()
1206	PROTOTYPE:
1207	CODE:	1624	CODE:
1208	RETVAL = s_epipe_fd (&respipe);	1625	RETVAL = s_epipe_fd (&respipe);
1209	OUTPUT:	1626	OUTPUT:
1210	RETVAL	1627	RETVAL
1211		1628
1212	int	1629	int
1213	poll_cb(...)	1630	poll_cb (...)
1214	PROTOTYPE:	1631	PROTOTYPE:
1215	CODE:	1632	CODE:
1216	RETVAL = poll_cb ();	1633	RETVAL = poll_cb ();
1217	OUTPUT:	1634	OUTPUT:
1218	RETVAL	1635	RETVAL
1219		1636
1220	void	1637	void
1221	poll_wait()	1638	poll_wait ()
1222	PROTOTYPE:
1223	CODE:	1639	CODE:
1224	poll_wait ();	1640	poll_wait ();
1225		1641
1226	int	1642	int
1227	nreqs()	1643	nreqs ()
1228	PROTOTYPE:
1229	CODE:	1644	CODE:
1230	RETVAL = eio_nreqs ();	1645	RETVAL = eio_nreqs ();
1231	OUTPUT:	1646	OUTPUT:
1232	RETVAL	1647	RETVAL
1233		1648
1234	int	1649	int
1235	nready()	1650	nready ()
1236	PROTOTYPE:
1237	CODE:	1651	CODE:
1238	RETVAL = eio_nready ();	1652	RETVAL = eio_nready ();
1239	OUTPUT:	1653	OUTPUT:
1240	RETVAL	1654	RETVAL
1241		1655
1242	int	1656	int
1243	npending()	1657	npending ()
1244	PROTOTYPE:
1245	CODE:	1658	CODE:
1246	RETVAL = eio_npending ();	1659	RETVAL = eio_npending ();
1247	OUTPUT:	1660	OUTPUT:
1248	RETVAL	1661	RETVAL
1249		1662
1250	int	1663	int
1251	nthreads()	1664	nthreads ()
1252	PROTOTYPE:
1253	CODE:	1665	CODE:
1254	RETVAL = eio_nthreads ();	1666	RETVAL = eio_nthreads ();
1255	OUTPUT:	1667	OUTPUT:
1256	RETVAL	1668	RETVAL
1257		1669
1258	int	1670	int
1259	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1671	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260	PROTOTYPE: $$$$
1261	CODE:	1672	CODE:
1262	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263	RETVAL = posix_fadvise (fh, offset, length, advice);	1673	RETVAL = posix_fadvise (fh, offset, length, advice);
1264	#else
1265	RETVAL = errno = ENOSYS;
1266	#endif
1267	OUTPUT:	1674	OUTPUT:
1268	RETVAL	1675	RETVAL
1269		1676
1270	ssize_t	1677	IV
1271	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1678	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272	PROTOTYPE: $$$$
1273	CODE:	1679	CODE:
1274	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1680	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275	OUTPUT:	1681	OUTPUT:
1276	RETVAL	1682	RETVAL
1277		1683
		1684	void
		1685	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1686	PPCODE:
		1687	sv_unmagic (scalar, MMAP_MAGIC);
		1688	{
		1689	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1690	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1691	if (addr == (void *)-1)
		1692	XSRETURN_NO;
		1693
		1694	sv_force_normal (scalar);
		1695
		1696	/* we store the length in mg_obj, as namlen is I32 :/ */
		1697	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1698	->mg_obj = (SV *)length;
		1699
		1700	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1701
		1702	if (!(prot & PROT_WRITE))
		1703	SvREADONLY_on (scalar);
		1704
		1705	if (SvLEN (scalar))
		1706	Safefree (SvPVX (scalar));
		1707
		1708	SvPVX (scalar) = (char *)addr;
		1709	SvCUR_set (scalar, length);
		1710	SvLEN_set (scalar, 0);
		1711	SvPOK_only (scalar);
		1712
		1713	XSRETURN_YES;
		1714	}
		1715
		1716	void
		1717	munmap (SV *scalar)
		1718	CODE:
		1719	sv_unmagic (scalar, MMAP_MAGIC);
		1720
		1721	int
		1722	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1723	ALIAS:
		1724	mprotect = 1
		1725	CODE:
		1726	{
		1727	STRLEN svlen;
		1728	void *addr = SvPVbyte (scalar, svlen);
		1729	size_t len = SvUV (length);
		1730
		1731	if (offset < 0)
		1732	offset += svlen;
		1733
		1734	if (offset < 0 || offset > svlen)
		1735	croak ("offset outside of scalar");
		1736
		1737	if (!SvOK (length) || len + offset > svlen)
		1738	len = svlen - offset;
		1739
		1740	addr = (void *)(((intptr_t)addr) + offset);
		1741	eio_page_align (&addr, &len);
		1742
		1743	switch (ix)
		1744	{
		1745	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1746	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1747	}
		1748	}
		1749	OUTPUT:
		1750	RETVAL
		1751
		1752	int
		1753	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1754	CODE:
		1755	{
		1756	STRLEN svlen;
		1757	void *addr = SvPVbyte (scalar, svlen);
		1758	size_t len = SvUV (length);
		1759
		1760	if (offset < 0)
		1761	offset += svlen;
		1762
		1763	if (offset < 0 || offset > svlen)
		1764	croak ("offset outside of scalar");
		1765
		1766	if (!SvOK (length) || len + offset > svlen)
		1767	len = svlen - offset;
		1768
		1769	addr = (void *)(((intptr_t)addr) + offset);
		1770	eio_page_align (&addr, &len);
		1771	#if _POSIX_MEMLOCK_RANGE
		1772	RETVAL = munlock (addr, len);
		1773	#else
		1774	RETVAL = ((errno = ENOSYS), -1);
		1775	#endif
		1776	}
		1777	OUTPUT:
		1778	RETVAL
		1779
		1780	int
		1781	munlockall ()
		1782	CODE:
		1783	#if _POSIX_MEMLOCK
		1784	munlockall ();
		1785	#else
		1786	RETVAL = -1;
		1787	errno = ENOSYS;
		1788	#endif
		1789	OUTPUT:
		1790	RETVAL
		1791
1278	void _on_next_submit (SV *cb)	1792	void _on_next_submit (SV *cb)
1279	CODE:	1793	CODE:
1280	SvREFCNT_dec (on_next_submit);	1794	SvREFCNT_dec (on_next_submit);
1281	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1795	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282		1796
1283	PROTOTYPES: DISABLE	1797	PROTOTYPES: DISABLE
1284		1798
		1799	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1800
		1801	BOOT:
		1802	{
		1803	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1804	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1805	}
		1806
		1807	void
		1808	DESTROY (SV *self)
		1809	CODE:
		1810	{
		1811	aio_wd wd = SvAIO_WD (self);
		1812	#if HAVE_AT
		1813	{
		1814	SV *callback = &PL_sv_undef;
		1815	dREQ; /* clobbers next_pri :/ */
		1816	next_pri = req->pri; /* restore next_pri */
		1817	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1818	req->type = EIO_WD_CLOSE;
		1819	req->wd = wd;
		1820	REQ_SEND;
		1821	}
		1822	#else
		1823	eio_wd_close_sync (wd);
		1824	#endif
		1825	}
		1826
1285	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1827	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1286		1828
1287	void	1829	void
1288	cancel (aio_req_ornot req)	1830	cancel (aio_req_ornot req)
1289	CODE:	1831	CODE:

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