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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.232 by root, Sat Jun 13 00:06:13 2015 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
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
23	#endif	35	#endif
24		36
25	/* perl namespace pollution */	37	/* perl namespace pollution */
26	#undef VERSION	38	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		39
77	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	42	#undef readdir
80	#undef opendir	43	#undef opendir
81	#undef closedir	44	#undef closedir
82		45
		46	#ifdef _WIN32
		47
		48	// perl overrides all those nice libc functions
		49
		50	#undef malloc
		51	#undef free
		52	#undef open
		53	#undef read
		54	#undef write
		55	#undef send
		56	#undef recv
		57	#undef stat
		58	#undef lstat
		59	#undef fstat
		60	#undef truncate
		61	#undef ftruncate
		62	#undef open
		63	#undef link
		64	#undef close
		65	#undef unlink
		66	#undef mkdir
		67	#undef rmdir
		68	#undef rename
		69	#undef lseek
		70	#undef opendir
		71	#undef readdir
		72	#undef closedir
		73	#undef chmod
		74	#undef fchmod
		75	#undef dup
		76	#undef dup2
		77	#undef abort
		78	#undef pipe
		79
		80	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
84		82
85	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8
87	# define VAL64 IV
88	# define SvVAL64 SvIV
89	# define newSVval64 newSViv
90	#else	83	#else
91	# define VAL64 NV	84
92	# define SvVAL64 SvNV	85	#include <sys/time.h>
93	# define newSVval64 newSVnv	86	#include <sys/select.h>
		87	#include <unistd.h>
		88	#include <utime.h>
		89	#include <signal.h>
		90
		91	#define EIO_STRUCT_STAT Stat_t
		92
94	#endif	93	#endif
95		94
96	/*****************************************************************************/	95	/*****************************************************************************/
97		96
98	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
108		107
109	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
112		111
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		113
115	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
116	SV *callback; \	115	SV *callback; \
117	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
118	STRLEN stroffset; \	118	STRLEN stroffset; \
119	SV *self;	119	SV *self;
120		120
121	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
122		122
		123	#include "libeio/config.h"
123	#include "libeio/eio.h"	124	#include "libeio/eio.h"
124		125
125	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	128	static void req_destroy (eio_req *grp);
128	#endif	129	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		130
145	#if _XOPEN_SOURCE < 600 || NO_FADVISE	131	#include "libeio/eio.c"
		132
		133	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	135	#endif
148		136
149	#ifndef POSIX_MADV_NORMAL	137	#if !HAVE_POSIX_MADVISE
150	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0
155	#endif
156	#ifndef POSIX_MADV_RANDOM
157	# define POSIX_MADV_RANDOM 0
158	#endif
159	#ifndef POSIX_MADV_WILLNEED
160	# define POSIX_MADV_WILLNEED 0
161	#endif
162	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0
164	#endif
165
166	#if _XOPEN_SOURCE < 600 || NO_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif
169
170	#ifndef ST_NODEV
171	# define ST_NODEV 0
172	#endif
173	#ifndef ST_NOEXEC
174	# define ST_NOEXEC 0
175	#endif
176	#ifndef ST_SYNCHRONOUS
177	# define ST_SYNCHRONOUS 0
178	#endif
179	#ifndef ST_MANDLOCK
180	# define ST_MANDLOCK 0
181	#endif
182	#ifndef ST_WRITE
183	# define ST_WRITE 0
184	#endif
185	#ifndef ST_APPEND
186	# define ST_APPEND 0
187	#endif
188	#ifndef ST_IMMUTABLE
189	# define ST_IMMUTABLE 0
190	#endif
191	#ifndef ST_NOATIME
192	# define ST_NOATIME 0
193	#endif
194	#ifndef ST_NODIRATIME
195	# define ST_NODIRATIME 0
196	#endif
197	#ifndef ST_RELATIME
198	# define ST_RELATIME 0
199	#endif
200
201	#ifndef MCL_CURRENT
202	# define MCL_CURRENT 0
203	#endif
204	#ifndef MCL_FUTURE
205	# define MCL_FUTURE 0
206	#endif	139	#endif
207		140
208	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
209	# ifdef MAP_ANON	142	# ifdef MAP_ANON
210	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
211	# else	144	# else
212	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213	# endif	146	# endif
214	#endif	147	#endif
215	#ifndef MAP_HUGETLB
216	# define MAP_HUGETLB 0
217	#endif
218	#ifndef MAP_LOCKED
219	# define MAP_LOCKED 0
220	#endif
221	#ifndef MAP_NORESERVE
222	# define MAP_NORESERVE 0
223	#endif
224	#ifndef MAP_POPULATE
225	# define MAP_POPULATE 0
226	#endif
227	#ifndef MAP_NONBLOCK
228	# define MAP_NONBLOCK 0
229	#endif
230		148
231	#ifndef PAGESIZE	149	/* defines all sorts of constants to 0 unless they are already defined */
		150	#include "def0.h"
		151
		152	#ifndef makedev
		153	# define makedev(maj,min) (((maj) << 8) | (min))
		154	#endif
		155	#ifndef major
		156	# define major(dev) ((dev) >> 8)
		157	#endif
		158	#ifndef minor
		159	# define minor(dev) ((dev) & 0xff)
		160	#endif
		161
		162	#if PAGESIZE <= 0
232	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
233	#endif	164	#endif
234		165
235	static int req_invoke (eio_req *req);	166	/*****************************************************************************/
236	#define EIO_FINISH(req) req_invoke (req)	167
237	static void req_destroy (eio_req *grp);	168	static void
238	#define EIO_DESTROY(req) req_destroy (req)	169	fiemap (eio_req *req)
		170	{
		171	req->result = -1;
		172
		173	#if HAVE_FIEMAP
		174	/* assume some c99 */
		175	struct fiemap *fiemap = 0;
		176	size_t end_offset;
		177	int count = req->int3;
		178
		179	req->flags |= EIO_FLAG_PTR1_FREE;
		180
		181	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		182	/* increase in 3.5kb steps */
		183	if (count < 0)
		184	count = 8;
		185
		186	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		187	errno = ENOMEM;
		188	if (!fiemap)
		189	return;
		190
		191	req->ptr1 = fiemap;
		192
		193	fiemap->fm_start = req->offs;
		194	fiemap->fm_length = req->size;
		195	fiemap->fm_flags = req->int2;
		196	fiemap->fm_extent_count = count;
		197
		198	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		199	return;
		200
		201	if (req->int3 >= 0 /* not autosizing */
		202	|| !fiemap->fm_mapped_extents /* no more extents */
		203	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		204	goto done;
		205
		206	/* else we have to loop -
		207	* it would be tempting (actually I tried that first) to just query the
		208	* number of extents needed, but linux often feels like not returning all
		209	* extents, without telling us it left any out. this complicates
		210	* this quite a bit.
		211	*/
		212
		213	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		214
		215	for (;;)
		216	{
		217	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		218	char scratch[3072];
		219	struct fiemap *incmap = (struct fiemap *)scratch;
		220
		221	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		222	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		223	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		224	incmap->fm_flags = fiemap->fm_flags;
		225	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		226
		227	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		228	return;
		229
		230	if (!incmap->fm_mapped_extents)
		231	goto done;
		232
		233	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		234	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		235	errno = ENOMEM;
		236	if (!fiemap)
		237	return;
		238
		239	req->ptr1 = fiemap;
		240
		241	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		242	{
		243	struct fiemap_extent *e = incmap->fm_extents + count;
		244
		245	if (e->fe_logical + e->fe_length >= end_offset)
		246	goto done;
		247
		248	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		249
		250	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		251	goto done;
		252
		253	}
		254	}
		255
		256	done:
		257	req->result = 0;
		258
		259	#else
		260	errno = ENOSYS;
		261	#endif
		262	}
		263
		264	/*****************************************************************************/
239		265
240	enum {	266	enum {
241	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242	};	268	};
243		269
244	#include "libeio/eio.c"
245
246	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
247	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
		272	typedef eio_wd aio_wd;
248		273
249	static SV *on_next_submit;	274	static SV *on_next_submit;
250	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
251	static int max_outstanding;	276	static int max_outstanding;
252		277
253	static s_epipe respipe;	278	static s_epipe respipe;
254		279
255	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
256	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
257		282
258	static void want_poll (void)	283	static void
		284	want_poll (void)
259	{	285	{
260	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
261	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
262	}	288	}
263		289
264	static void done_poll (void)	290	static void
		291	done_poll (void)
265	{	292	{
266	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
267	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
268	}	295	}
269		296
270	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
271	static SV *req_sv (aio_req req, HV *stash)	299	req_sv (aio_req req, HV *stash)
272	{	300	{
273	if (!req->self)	301	if (!req->self)
274	{	302	{
275	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
276	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277	}	305	}
278		306
279	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280	}	308	}
281		309
282	static aio_req SvAIO_REQ (SV *sv)	310	static SV *
		311	newSVaio_wd (aio_wd wd)
		312	{
		313	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		314	}
		315
		316	static aio_req
		317	SvAIO_REQ (SV *sv)
283	{	318	{
284	MAGIC *mg;	319	MAGIC *mg;
285		320
286	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
288	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
289	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
290	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
291		327
292	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293		329
294	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
295	}	331	}
296		332
		333	static aio_wd
		334	SvAIO_WD (SV *sv)
		335	{
		336	if (!SvROK (sv)
		337	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		338	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		340
		341	return (aio_wd)(long)SvIVX (SvRV (sv));
		342	}
		343
		344	static void
297	static void aio_grp_feed (aio_req grp)	345	aio_grp_feed (aio_req grp)
298	{	346	{
299	if (grp->sv2 && SvOK (grp->sv2))	347	if (grp->sv2 && SvOK (grp->sv2))
300	{	348	{
301	dSP;	349	dSP;
302		350
…		…
310	FREETMPS;	358	FREETMPS;
311	LEAVE;	359	LEAVE;
312	}	360	}
313	}	361	}
314		362
		363	static void
315	static void req_submit (eio_req *req)	364	req_submit (eio_req *req)
316	{	365	{
317	eio_submit (req);	366	eio_submit (req);
318		367
319	if (expect_false (on_next_submit))	368	if (expect_false (on_next_submit))
320	{	369	{
…		…
327	PUTBACK;	376	PUTBACK;
328	call_sv (cb, G_DISCARD | G_EVAL);	377	call_sv (cb, G_DISCARD | G_EVAL);
329	}	378	}
330	}	379	}
331		380
		381	static int
332	static int req_invoke (eio_req *req)	382	req_invoke (eio_req *req)
333	{	383	{
334	if (req->flags & FLAG_SV2_RO_OFF)	384	if (req->flags & FLAG_SV2_RO_OFF)
335	SvREADONLY_off (req->sv2);	385	SvREADONLY_off (req->sv2);
336		386
337	if (!EIO_CANCELLED (req) && req->callback)	387	if (!EIO_CANCELLED (req) && req->callback)
…		…
348	/* do not recreate the result IV from scratch each time */	398	/* do not recreate the result IV from scratch each time */
349	if (expect_true (sv_result_cache))	399	if (expect_true (sv_result_cache))
350	{	400	{
351	sv_result = sv_result_cache; sv_result_cache = 0;	401	sv_result = sv_result_cache; sv_result_cache = 0;
352	SvIV_set (sv_result, req->result);	402	SvIV_set (sv_result, req->result);
		403	SvIOK_only (sv_result);
353	}	404	}
354	else	405	else
355	{	406	{
356	sv_result = newSViv (req->result);	407	sv_result = newSViv (req->result);
357	SvREADONLY_on (sv_result);	408	SvREADONLY_on (sv_result);
358	}	409	}
359		410
360	switch (req->type)	411	switch (req->type)
361	{	412	{
		413	case EIO_WD_OPEN:
		414	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		415	break;
		416
362	case EIO_READDIR:	417	case EIO_READDIR:
363	{	418	{
364	SV *rv = &PL_sv_undef;	419	SV *rv = &PL_sv_undef;
365		420
366	if (req->result >= 0)	421	if (req->result >= 0)
…		…
454	case EIO_STATVFS:	509	case EIO_STATVFS:
455	case EIO_FSTATVFS:	510	case EIO_FSTATVFS:
456	{	511	{
457	SV *rv = &PL_sv_undef;	512	SV *rv = &PL_sv_undef;
458		513
		514	#ifndef _WIN32
459	if (req->result >= 0)	515	if (req->result >= 0)
460	{	516	{
461	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
463		524
464	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
465		526
466	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
467	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
469	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
470	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
471	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
472	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
473	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
474	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
476	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477	}	538	}
		539	#endif
478		540
479	PUSHs (rv);	541	PUSHs (rv);
480	}	542	}
481		543
482	break;	544	break;
…		…
498	case EIO_NOP:	560	case EIO_NOP:
499	case EIO_BUSY:	561	case EIO_BUSY:
500	break;	562	break;
501		563
502	case EIO_READLINK:	564	case EIO_READLINK:
		565	case EIO_REALPATH:
503	if (req->result > 0)	566	if (req->result > 0)
504	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	567	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505	break;	568	break;
506		569
507	case EIO_STAT:	570	case EIO_STAT:
508	case EIO_LSTAT:	571	case EIO_LSTAT:
509	case EIO_FSTAT:	572	case EIO_FSTAT:
510	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
511	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
		576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
512	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	577	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		578
513	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
514	break;	584	break;
515		585
516	case EIO_READ:	586	case EIO_READ:
517	{	587	{
518	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
521	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
522	PUSHs (sv_result);	592	PUSHs (sv_result);
523	}	593	}
524	break;	594	break;
525		595
		596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
526	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527	if (req->result > 0)	637	if (req->result > 0)
528	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
529	/* FALLTHROUGH */	639	/* FALLTHROUGH */
530		640
531	default:	641	default:
…		…
551	}	661	}
552		662
553	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
554	}	664	}
555		665
		666	static void
556	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
557	{	668	{
558	if (req->self)	669	if (req->self)
559	{	670	{
560	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
561	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
562	}	673	}
563		674
564	SvREFCNT_dec (req->sv1);	675	SvREFCNT_dec (req->sv1);
565	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
		677	SvREFCNT_dec (req->sv3);
		678	SvREFCNT_dec (req->sv4);
566	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
567		680
568	Safefree (req);	681	free (req);
569	}	682	}
570		683
		684	static void
571	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
572	{	686	{
573	aio_req sub;
574
575	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
576	return;	688	return;
577		689
578	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
579	grp->sv2 = 0;	691	grp->sv2 = 0;
580		692
581	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
582	}	694	}
583		695
584	static void	696	static void ecb_cold
585	create_respipe (void)	697	create_respipe (void)
586	{	698	{
587	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
588	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
589	}	701	}
590		702
591	static void poll_wait (void)	703	static void
		704	poll_wait (void)
592	{	705	{
593	while (eio_nreqs ())	706	while (eio_nreqs ())
594	{	707	{
595	int size;	708	int size;
596		709
…		…
605		718
606	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
607	}	720	}
608	}	721	}
609		722
610	static int poll_cb (void)	723	static int
		724	poll_cb (void)
611	{	725	{
612	for (;;)	726	for (;;)
613	{	727	{
614	int res = eio_poll ();	728	int res = eio_poll ();
615		729
…		…
621		735
622	poll_wait ();	736	poll_wait ();
623	}	737	}
624	}	738	}
625		739
626	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
627	{	742	{
628	create_respipe ();	743	create_respipe ();
		744
		745	if (eio_init (want_poll, done_poll) < 0)
		746	croak ("IO::AIO: unable to initialise eio library");
629	}	747	}
630		748
631	/*****************************************************************************/	749	/*****************************************************************************/
632		750
633	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
634	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
635	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		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
636	#endif	763	#endif
637		764
638	#define MMAP_MAGIC PERL_MAGIC_ext	765	#define MMAP_MAGIC PERL_MAGIC_ext
639		766
640	static int	767	static int ecb_cold
641	mmap_free (pTHX_ SV *sv, MAGIC *mg)	768	mmap_free (pTHX_ SV *sv, MAGIC *mg)
642	{	769	{
643	int old_errno = errno;	770	int old_errno = errno;
644	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	771	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645	errno = old_errno;	772	errno = old_errno;
…		…
669	{	796	{
670	SvGETMAGIC (cb_sv);	797	SvGETMAGIC (cb_sv);
671	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	798	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672	}	799	}
673		800
		801	static aio_req ecb_noinline
		802	dreq (SV *callback)
		803	{
		804	SV *cb_cv;
		805	aio_req req;
		806	int req_pri = next_pri;
		807	next_pri = EIO_PRI_DEFAULT;
		808
		809	cb_cv = get_cb (callback);
		810
		811	req = calloc (sizeof (*req), 1);
		812	if (!req)
		813	croak ("out of memory during eio_req allocation");
		814
		815	req->callback = SvREFCNT_inc (cb_cv);
		816	req->pri = req_pri;
		817
		818	return req;
		819	}
		820
674	#define dREQ \	821	#define dREQ \
675	SV *cb_cv; \	822	aio_req req = dreq (callback); \
676	aio_req req; \
677	int req_pri = next_pri; \
678	next_pri = EIO_PRI_DEFAULT; \
679	\
680	cb_cv = get_cb (callback); \
681	\
682	Newz (0, req, 1, eio_req); \
683	if (!req) \
684	croak ("out of memory during eio_req allocation"); \
685	\
686	req->callback = SvREFCNT_inc (cb_cv); \
687	req->pri = req_pri
688		823
689	#define REQ_SEND \	824	#define REQ_SEND \
690	PUTBACK; \	825	PUTBACK; \
691	req_submit (req); \	826	req_submit (req); \
692	SPAGAIN; \	827	SPAGAIN; \
693	\	828	\
694	if (GIMME_V != G_VOID) \	829	if (GIMME_V != G_VOID) \
695	XPUSHs (req_sv (req, aio_req_stash));	830	XPUSHs (req_sv (req, aio_req_stash));
696		831
		832	ecb_inline void
		833	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		834	{
		835	if (expect_false (SvROK (path)))
		836	{
		837	SV *rv = SvRV (path);
		838	SV *wdob;
		839
		840	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		841	{
		842	path = AvARRAY (rv)[1];
		843	wdob = AvARRAY (rv)[0];
		844
		845	if (SvOK (wdob))
		846	{
		847	*wd = SvAIO_WD (wdob);
		848	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		849	}
		850	else
		851	*wd = EIO_INVALID_WD;
		852	}
		853	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		854	{
		855	*wd = (aio_wd)(long)SvIVX (rv);
		856	*wdsv = SvREFCNT_inc_NN (rv);
		857	*ptr = ".";
		858	return; /* path set to "." */
		859	}
		860	else
		861	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		862	}
		863
		864	*pathsv = newSVsv (path);
		865	*ptr = SvPVbyte_nolen (*pathsv);
		866	}
		867
		868	static void ecb_noinline
		869	req_set_path1 (aio_req req, SV *path)
		870	{
		871	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		872	}
		873
		874	static void ecb_noinline
		875	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		876	{
		877	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		878
		879	switch (SvTYPE (rv))
		880	{
		881	case SVt_PVIO:
		882	case SVt_PVLV:
		883	case SVt_PVGV:
		884	req->type = type_fh;
		885	req->sv1 = newSVsv (fh_or_path);
		886	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		887	break;
		888
		889	default:
		890	req->type = type_path;
		891	req_set_path1 (req, fh_or_path);
		892	break;
		893	}
		894	}
		895
		896	XS(boot_IO__AIO) ecb_cold;
		897
697	MODULE = IO::AIO PACKAGE = IO::AIO	898	MODULE = IO::AIO PACKAGE = IO::AIO
698		899
699	PROTOTYPES: ENABLE	900	PROTOTYPES: ENABLE
700		901
701	BOOT:	902	BOOT:
…		…
705	IV iv;	906	IV iv;
706	} *civ, const_iv[] = {	907	} *civ, const_iv[] = {
707	# define const_niv(name, value) { # name, (IV) value },	908	# define const_niv(name, value) { # name, (IV) value },
708	# define const_iv(name) { # name, (IV) name },	909	# define const_iv(name) { # name, (IV) name },
709	# define const_eio(name) { # name, (IV) EIO_ ## name },	910	# define const_eio(name) { # name, (IV) EIO_ ## name },
		911
		912	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		913
		914	const_iv (ENOSYS)
710	const_iv (EXDEV)	915	const_iv (EXDEV)
711	const_iv (ENOSYS)	916	const_iv (EBADR)
		917
712	const_iv (O_RDONLY)	918	const_iv (O_RDONLY)
713	const_iv (O_WRONLY)	919	const_iv (O_WRONLY)
714	const_iv (O_RDWR)	920	const_iv (O_RDWR)
715	const_iv (O_CREAT)	921	const_iv (O_CREAT)
716	const_iv (O_TRUNC)	922	const_iv (O_TRUNC)
717	const_iv (O_EXCL)	923	const_iv (O_EXCL)
718	const_iv (O_APPEND)	924	const_iv (O_APPEND)
719	#ifndef _WIN32	925
		926	const_iv (O_ASYNC)
		927	const_iv (O_DIRECT)
		928	const_iv (O_NOATIME)
		929
		930	const_iv (O_CLOEXEC)
		931	const_iv (O_NOCTTY)
		932	const_iv (O_NOFOLLOW)
		933	const_iv (O_NONBLOCK)
		934	const_iv (O_EXEC)
		935	const_iv (O_SEARCH)
		936	const_iv (O_DIRECTORY)
		937	const_iv (O_DSYNC)
		938	const_iv (O_RSYNC)
		939	const_iv (O_SYNC)
		940	const_iv (O_TTY_INIT)
		941
720	const_iv (S_IFIFO)	942	const_iv (S_IFIFO)
721	#endif	943	const_iv (S_IFCHR)
		944	const_iv (S_IFBLK)
		945	const_iv (S_IFLNK)
		946	const_iv (S_IFREG)
		947	const_iv (S_IFDIR)
		948	const_iv (S_IFWHT)
		949	const_iv (S_IFSOCK)
		950	const_iv (S_IFMT)
		951
722	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	952	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
723	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	953	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
724	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	954	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
725	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	955	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
726	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	956	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
743	const_iv (ST_IMMUTABLE)	973	const_iv (ST_IMMUTABLE)
744	const_iv (ST_NOATIME)	974	const_iv (ST_NOATIME)
745	const_iv (ST_NODIRATIME)	975	const_iv (ST_NODIRATIME)
746	const_iv (ST_RELATIME)	976	const_iv (ST_RELATIME)
747		977
		978	const_iv (PROT_NONE)
748	const_iv (PROT_EXEC)	979	const_iv (PROT_EXEC)
749	const_iv (PROT_NONE)
750	const_iv (PROT_READ)	980	const_iv (PROT_READ)
751	const_iv (PROT_WRITE)	981	const_iv (PROT_WRITE)
752		982
753	/*const_iv (MAP_FIXED)*/	983	/*const_iv (MAP_FIXED)*/
754	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
…		…
760	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
761	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
762	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
763	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
764		994
		995	const_iv (FIEMAP_FLAG_SYNC)
		996	const_iv (FIEMAP_FLAG_XATTR)
		997	const_iv (FIEMAP_FLAGS_COMPAT)
		998	const_iv (FIEMAP_EXTENT_LAST)
		999	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1000	const_iv (FIEMAP_EXTENT_DELALLOC)
		1001	const_iv (FIEMAP_EXTENT_ENCODED)
		1002	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1003	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1004	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1005	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1006	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1007	const_iv (FIEMAP_EXTENT_MERGED)
		1008	const_iv (FIEMAP_EXTENT_SHARED)
		1009
		1010	const_iv (SPLICE_F_MOVE)
		1011	const_iv (SPLICE_F_NONBLOCK)
		1012	const_iv (SPLICE_F_MORE)
		1013	const_iv (SPLICE_F_GIFT)
		1014
		1015	const_iv (SEEK_DATA)
		1016	const_iv (SEEK_HOLE)
		1017
		1018	/* libeio constants */
		1019	const_eio (SEEK_SET)
		1020	const_eio (SEEK_CUR)
		1021	const_eio (SEEK_END)
		1022
765	const_iv (MCL_FUTURE)	1023	const_eio (MCL_FUTURE)
766	const_iv (MCL_CURRENT)	1024	const_eio (MCL_CURRENT)
767		1025
768	const_eio (MS_ASYNC)	1026	const_eio (MS_ASYNC)
769	const_eio (MS_INVALIDATE)	1027	const_eio (MS_INVALIDATE)
770	const_eio (MS_SYNC)	1028	const_eio (MS_SYNC)
771		1029
772	const_eio (MT_MODIFY)	1030	const_eio (MT_MODIFY)
773		1031
774	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1032	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775	const_eio (SYNC_FILE_RANGE_WRITE)	1033	const_eio (SYNC_FILE_RANGE_WRITE)
776	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1034	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1035
		1036	const_eio (FALLOC_FL_KEEP_SIZE)
		1037	const_eio (FALLOC_FL_PUNCH_HOLE)
		1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1039	const_eio (FALLOC_FL_ZERO_RANGE)
777		1040
778	const_eio (READDIR_DENTS)	1041	const_eio (READDIR_DENTS)
779	const_eio (READDIR_DIRS_FIRST)	1042	const_eio (READDIR_DIRS_FIRST)
780	const_eio (READDIR_STAT_ORDER)	1043	const_eio (READDIR_STAT_ORDER)
781	const_eio (READDIR_FOUND_UNKNOWN)	1044	const_eio (READDIR_FOUND_UNKNOWN)
…		…
792	};	1055	};
793		1056
794	aio_stash = gv_stashpv ("IO::AIO" , 1);	1057	aio_stash = gv_stashpv ("IO::AIO" , 1);
795	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1058	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1059	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1060	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797		1061
798	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1062	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
799	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1063	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800		1064
801	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1065	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802		1066
803	create_respipe ();	1067	reinit ();
804
805	if (eio_init (want_poll, done_poll) < 0)
806	croak ("IO::AIO: unable to initialise eio library");
807
808	/* atfork child called in fifo order, so before eio's handler */
809	X_THREAD_ATFORK (0, 0, atfork_child);
810	}	1068	}
811		1069
812	void	1070	void
		1071	reinit ()
		1072	PROTOTYPE:
		1073
		1074	void
813	max_poll_reqs (int nreqs)	1075	max_poll_reqs (unsigned int nreqs)
814	PROTOTYPE: $	1076	PROTOTYPE: $
815	CODE:	1077	CODE:
816	eio_set_max_poll_reqs (nreqs);	1078	eio_set_max_poll_reqs (nreqs);
817		1079
818	void	1080	void
…		…
820	PROTOTYPE: $	1082	PROTOTYPE: $
821	CODE:	1083	CODE:
822	eio_set_max_poll_time (nseconds);	1084	eio_set_max_poll_time (nseconds);
823		1085
824	void	1086	void
825	min_parallel (int nthreads)	1087	min_parallel (unsigned int nthreads)
826	PROTOTYPE: $	1088	PROTOTYPE: $
827	CODE:	1089	CODE:
828	eio_set_min_parallel (nthreads);	1090	eio_set_min_parallel (nthreads);
829		1091
830	void	1092	void
831	max_parallel (int nthreads)	1093	max_parallel (unsigned int nthreads)
832	PROTOTYPE: $	1094	PROTOTYPE: $
833	CODE:	1095	CODE:
834	eio_set_max_parallel (nthreads);	1096	eio_set_max_parallel (nthreads);
835		1097
836	void	1098	void
837	max_idle (int nthreads)	1099	max_idle (unsigned int nthreads)
838	PROTOTYPE: $	1100	PROTOTYPE: $
839	CODE:	1101	CODE:
840	eio_set_max_idle (nthreads);	1102	eio_set_max_idle (nthreads);
841		1103
842	void	1104	void
		1105	idle_timeout (unsigned int seconds)
		1106	PROTOTYPE: $
		1107	CODE:
		1108	eio_set_idle_timeout (seconds);
		1109
		1110	void
843	max_outstanding (int maxreqs)	1111	max_outstanding (unsigned int maxreqs)
844	PROTOTYPE: $	1112	PROTOTYPE: $
845	CODE:	1113	CODE:
846	max_outstanding = maxreqs;	1114	max_outstanding = maxreqs;
847		1115
848	void	1116	void
849	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1117	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
850	PROTOTYPE: $$$;$
851	PPCODE:	1118	PPCODE:
852	{	1119	{
853	dREQ;	1120	dREQ;
854		1121
		1122	req->type = EIO_WD_OPEN;
		1123	req_set_path1 (req, pathname);
		1124
		1125	REQ_SEND;
		1126	}
		1127
		1128	void
		1129	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1130	PPCODE:
		1131	{
		1132	dREQ;
		1133
855	req->type = EIO_OPEN;	1134	req->type = EIO_OPEN;
856	req->sv1 = newSVsv (pathname);	1135	req_set_path1 (req, pathname);
857	req->ptr1 = SvPVbyte_nolen (req->sv1);
858	req->int1 = flags;	1136	req->int1 = flags;
859	req->int2 = mode;	1137	req->int2 = mode;
860		1138
861	REQ_SEND;	1139	REQ_SEND;
862	}	1140	}
863		1141
864	void	1142	void
865	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1143	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
866	PROTOTYPE: $;$
867	ALIAS:	1144	ALIAS:
868	aio_fsync = EIO_FSYNC	1145	aio_fsync = EIO_FSYNC
869	aio_fdatasync = EIO_FDATASYNC	1146	aio_fdatasync = EIO_FDATASYNC
		1147	aio_syncfs = EIO_SYNCFS
870	PPCODE:	1148	PPCODE:
871	{	1149	{
872	int fd = s_fileno_croak (fh, 0);	1150	int fd = s_fileno_croak (fh, 0);
873	dREQ;	1151	dREQ;
874		1152
875	req->type = ix;	1153	req->type = ix;
876	req->sv1 = newSVsv (fh);	1154	req->sv1 = newSVsv (fh);
877	req->int1 = fd;	1155	req->int1 = fd;
878		1156
879	REQ_SEND (req);	1157	REQ_SEND;
880	}	1158	}
881		1159
882	void	1160	void
883	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1161	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
884	PROTOTYPE: $$$$;$
885	PPCODE:	1162	PPCODE:
886	{	1163	{
887	int fd = s_fileno_croak (fh, 0);	1164	int fd = s_fileno_croak (fh, 0);
888	dREQ;	1165	dREQ;
889		1166
890	req->type = EIO_SYNC_FILE_RANGE;	1167	req->type = EIO_SYNC_FILE_RANGE;
891	req->sv1 = newSVsv (fh);	1168	req->sv1 = newSVsv (fh);
892	req->int1 = fd;	1169	req->int1 = fd;
893	req->offs = offset;	1170	req->offs = offset;
894	req->size = nbytes;	1171	req->size = nbytes;
895	req->int2 = flags;	1172	req->int2 = flags;
896		1173
897	REQ_SEND (req);	1174	REQ_SEND;
898	}	1175	}
899		1176
900	void	1177	void
901	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1178	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
902	PROTOTYPE: $;$
903	PPCODE:	1179	PPCODE:
904	{	1180	{
905	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906	int fd = s_fileno_croak (fh, 0);	1181	int fd = s_fileno_croak (fh, 0);
907	dREQ;	1182	dREQ;
908		1183
909	if (close_pipe < 0)	1184	req->type = EIO_FALLOCATE;
		1185	req->sv1 = newSVsv (fh);
		1186	req->int1 = fd;
		1187	req->int2 = mode;
		1188	req->offs = offset;
		1189	req->size = len;
		1190
		1191	REQ_SEND;
		1192	}
		1193
		1194	void
		1195	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1196	PPCODE:
		1197	{
		1198	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1199	int fd = s_fileno_croak (fh, 0);
		1200	dREQ;
		1201
		1202	if (expect_false (close_fd < 0))
910	{	1203	{
911	int pipefd [2];	1204	int pipefd [2];
912		1205
		1206	if (
		1207	#ifdef _WIN32
		1208	_pipe (pipefd, 1, _O_BINARY) < 0
		1209	#else
913	if (pipe (pipefd) < 0	1210	pipe (pipefd) < 0
914	|| close (pipefd [1]) < 0
915	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1211	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1212	#endif
		1213	|| close (pipefd [1]) < 0
		1214	)
916	abort (); /*D*/	1215	abort (); /*D*/
917		1216
918	close_pipe = pipefd [0];	1217	close_fd = pipefd [0];
919	}	1218	}
920		1219
921	req->type = EIO_DUP2;	1220	req->type = EIO_DUP2;
922	req->int1 = close_pipe;	1221	req->int1 = close_fd;
923	req->sv2 = newSVsv (fh);	1222	req->sv2 = newSVsv (fh);
924	req->int2 = fd;	1223	req->int2 = fd;
925		1224
926	REQ_SEND (req);	1225	REQ_SEND;
927	}	1226	}
928		1227
929	void	1228	void
		1229	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1230	PPCODE:
		1231	{
		1232	int fd = s_fileno_croak (fh, 0);
		1233	dREQ;
		1234
		1235	req->type = EIO_SEEK;
		1236	req->sv1 = newSVsv (fh);
		1237	req->int1 = fd;
		1238	req->offs = SvVAL64 (offset);
		1239	req->int2 = whence;
		1240
		1241	REQ_SEND;
		1242	}
		1243
		1244	void
930	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1245	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
931	ALIAS:	1246	ALIAS:
932	aio_read = EIO_READ	1247	aio_read = EIO_READ
933	aio_write = EIO_WRITE	1248	aio_write = EIO_WRITE
934	PROTOTYPE: $$$$$;$
935	PPCODE:	1249	PPCODE:
936	{	1250	{
937	STRLEN svlen;	1251	STRLEN svlen;
938	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1252	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939	char *svptr = SvPVbyte (data, svlen);	1253	char *svptr = SvPVbyte (data, svlen);
…		…
952	len = svlen - dataoffset;	1266	len = svlen - dataoffset;
953	}	1267	}
954	else	1268	else
955	{	1269	{
956	/* read: check type and grow scalar as necessary */	1270	/* read: check type and grow scalar as necessary */
957	SvUPGRADE (data, SVt_PV);	1271	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
958	svptr = SvGROW (data, len + dataoffset + 1);	1272	svptr = sv_grow (data, len + dataoffset + 1);
		1273	else if (SvCUR (data) < len + dataoffset)
		1274	croak ("length + dataoffset outside of scalar, and cannot grow");
959	}	1275	}
960		1276
961	{	1277	{
962	dREQ;	1278	dREQ;
963		1279
…		…
979	REQ_SEND;	1295	REQ_SEND;
980	}	1296	}
981	}	1297	}
982		1298
983	void	1299	void
984	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1300	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
985	PROTOTYPE: $$;$	1301	ALIAS:
		1302	aio_readlink = EIO_READLINK
		1303	aio_realpath = EIO_REALPATH
986	PPCODE:	1304	PPCODE:
987	{	1305	{
988	SV *data;
989	dREQ;	1306	dREQ;
990		1307
991	req->type = EIO_READLINK;	1308	req->type = ix;
992	req->sv1 = newSVsv (path);	1309	req_set_path1 (req, pathname);
993	req->ptr1 = SvPVbyte_nolen (req->sv1);
994		1310
995	REQ_SEND;	1311	REQ_SEND;
996	}	1312	}
997		1313
998	void	1314	void
999	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1315	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1000	PROTOTYPE: $$$$;$
1001	PPCODE:	1316	PPCODE:
1002	{	1317	{
1003	int ifd = s_fileno_croak (in_fh , 0);	1318	int ifd = s_fileno_croak (in_fh , 0);
1004	int ofd = s_fileno_croak (out_fh, 1);	1319	int ofd = s_fileno_croak (out_fh, 1);
1005	dREQ;	1320	dREQ;
1006		1321
1007	req->type = EIO_SENDFILE;	1322	req->type = EIO_SENDFILE;
1008	req->sv1 = newSVsv (out_fh);	1323	req->sv1 = newSVsv (out_fh);
1009	req->int1 = ofd;	1324	req->int1 = ofd;
…		…
1014		1329
1015	REQ_SEND;	1330	REQ_SEND;
1016	}	1331	}
1017		1332
1018	void	1333	void
1019	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1334	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020	PROTOTYPE: $$$;$
1021	PPCODE:	1335	PPCODE:
1022	{	1336	{
1023	int fd = s_fileno_croak (fh, 0);	1337	int fd = s_fileno_croak (fh, 0);
1024	dREQ;	1338	dREQ;
1025		1339
1026	req->type = EIO_READAHEAD;	1340	req->type = EIO_READAHEAD;
1027	req->sv1 = newSVsv (fh);	1341	req->sv1 = newSVsv (fh);
1028	req->int1 = fd;	1342	req->int1 = fd;
…		…
1031		1345
1032	REQ_SEND;	1346	REQ_SEND;
1033	}	1347	}
1034		1348
1035	void	1349	void
1036	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1350	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1037	ALIAS:	1351	ALIAS:
1038	aio_stat = EIO_STAT	1352	aio_stat = EIO_STAT
1039	aio_lstat = EIO_LSTAT	1353	aio_lstat = EIO_LSTAT
1040	aio_statvfs = EIO_STATVFS	1354	aio_statvfs = EIO_STATVFS
1041	PPCODE:	1355	PPCODE:
1042	{	1356	{
1043	dREQ;	1357	dREQ;
1044		1358
1045	req->sv1 = newSVsv (fh_or_path);	1359	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1046
1047	if (SvPOK (req->sv1))
1048	{
1049	req->type = ix;
1050	req->ptr1 = SvPVbyte_nolen (req->sv1);
1051	}
1052	else
1053	{
1054	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1055	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1056	}
1057		1360
1058	REQ_SEND;	1361	REQ_SEND;
1059	}	1362	}
1060		1363
		1364	UV
		1365	major (UV dev)
		1366	ALIAS:
		1367	minor = 1
		1368	CODE:
		1369	RETVAL = ix ? major (dev) : minor (dev);
		1370	OUTPUT:
		1371	RETVAL
		1372
		1373	UV
		1374	makedev (UV maj, UV min)
		1375	CODE:
		1376	RETVAL = makedev (maj, min);
		1377	OUTPUT:
		1378	RETVAL
		1379
1061	void	1380	void
1062	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1381	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1063	PPCODE:	1382	PPCODE:
1064	{	1383	{
1065	dREQ;	1384	dREQ;
1066		1385
1067	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1386	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1387	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069	req->sv1 = newSVsv (fh_or_path);	1388	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1070
1071	if (SvPOK (req->sv1))
1072	{
1073	req->type = EIO_UTIME;
1074	req->ptr1 = SvPVbyte_nolen (req->sv1);
1075	}
1076	else
1077	{
1078	req->type = EIO_FUTIME;
1079	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1080	}
1081		1389
1082	REQ_SEND;	1390	REQ_SEND;
1083	}	1391	}
1084		1392
1085	void	1393	void
1086	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1394	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1087	PPCODE:	1395	PPCODE:
1088	{	1396	{
1089	dREQ;	1397	dREQ;
1090		1398
1091	req->sv1 = newSVsv (fh_or_path);
1092	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1399	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093		1400	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1094	if (SvPOK (req->sv1))
1095	{
1096	req->type = EIO_TRUNCATE;
1097	req->ptr1 = SvPVbyte_nolen (req->sv1);
1098	}
1099	else
1100	{
1101	req->type = EIO_FTRUNCATE;
1102	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1103	}
1104		1401
1105	REQ_SEND;	1402	REQ_SEND;
1106	}	1403	}
1107		1404
1108	void	1405	void
1109	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1406	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1110	ALIAS:
1111	aio_chmod = EIO_CHMOD
1112	aio_mkdir = EIO_MKDIR
1113	PPCODE:	1407	PPCODE:
1114	{	1408	{
1115	dREQ;	1409	dREQ;
1116		1410
1117	req->int2 = mode;	1411	req->int2 = mode;
1118	req->sv1 = newSVsv (fh_or_path);	1412	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1119
1120	if (SvPOK (req->sv1))
1121	{
1122	req->type = ix;
1123	req->ptr1 = SvPVbyte_nolen (req->sv1);
1124	}
1125	else
1126	{
1127	req->type = EIO_FCHMOD;
1128	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1129	}
1130		1413
1131	REQ_SEND;	1414	REQ_SEND;
1132	}	1415	}
1133		1416
1134	void	1417	void
1135	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1418	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1136	PPCODE:	1419	PPCODE:
1137	{	1420	{
1138	dREQ;	1421	dREQ;
1139		1422
1140	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1423	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1424	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142	req->sv1 = newSVsv (fh_or_path);	1425	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1143
1144	if (SvPOK (req->sv1))
1145	{
1146	req->type = EIO_CHOWN;
1147	req->ptr1 = SvPVbyte_nolen (req->sv1);
1148	}
1149	else
1150	{
1151	req->type = EIO_FCHOWN;
1152	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1153	}
1154		1426
1155	REQ_SEND;	1427	REQ_SEND;
1156	}	1428	}
1157		1429
1158	void	1430	void
1159	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1431	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1160	PPCODE:	1432	PPCODE:
1161	{	1433	{
1162	dREQ;	1434	dREQ;
1163		1435
1164	req->type = EIO_READDIR;	1436	req->type = EIO_READDIR;
1165	req->sv1 = newSVsv (pathname);
1166	req->ptr1 = SvPVbyte_nolen (req->sv1);
1167	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1437	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168		1438
1169	if (flags & EIO_READDIR_DENTS)	1439	if (flags & EIO_READDIR_DENTS)
1170	req->int1 |= EIO_READDIR_CUSTOM2;	1440	req->int1 |= EIO_READDIR_CUSTOM2;
1171		1441
		1442	req_set_path1 (req, pathname);
		1443
1172	REQ_SEND;	1444	REQ_SEND;
1173	}	1445	}
1174		1446
1175	void	1447	void
		1448	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1449	PPCODE:
		1450	{
		1451	dREQ;
		1452
		1453	req->type = EIO_MKDIR;
		1454	req->int2 = mode;
		1455	req_set_path1 (req, pathname);
		1456
		1457	REQ_SEND;
		1458	}
		1459
		1460	void
1176	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1461	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1177	ALIAS:	1462	ALIAS:
1178	aio_unlink = EIO_UNLINK	1463	aio_unlink = EIO_UNLINK
1179	aio_rmdir = EIO_RMDIR	1464	aio_rmdir = EIO_RMDIR
1180	aio_readdir = EIO_READDIR	1465	aio_readdir = EIO_READDIR
1181	PPCODE:	1466	PPCODE:
1182	{	1467	{
1183	dREQ;	1468	dREQ;
1184		1469
1185	req->type = ix;	1470	req->type = ix;
1186	req->sv1 = newSVsv (pathname);	1471	req_set_path1 (req, pathname);
1187	req->ptr1 = SvPVbyte_nolen (req->sv1);
1188		1472
1189	REQ_SEND;	1473	REQ_SEND;
1190	}	1474	}
1191		1475
1192	void	1476	void
1193	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1477	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1194	ALIAS:	1478	ALIAS:
1195	aio_link = EIO_LINK	1479	aio_link = EIO_LINK
1196	aio_symlink = EIO_SYMLINK	1480	aio_symlink = EIO_SYMLINK
1197	aio_rename = EIO_RENAME	1481	aio_rename = EIO_RENAME
1198	PPCODE:	1482	PPCODE:
1199	{	1483	{
		1484	eio_wd wd2 = 0;
1200	dREQ;	1485	dREQ;
1201		1486
1202	req->type = ix;	1487	req->type = ix;
1203	req->sv1 = newSVsv (oldpath);	1488	req_set_path1 (req, oldpath);
1204	req->ptr1 = SvPVbyte_nolen (req->sv1);	1489	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205	req->sv2 = newSVsv (newpath);	1490	req->int3 = (long)wd2;
1206	req->ptr2 = SvPVbyte_nolen (req->sv2);
1207		1491
1208	REQ_SEND;	1492	REQ_SEND;
1209	}	1493	}
1210		1494
1211	void	1495	void
1212	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1496	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1213	PPCODE:	1497	PPCODE:
1214	{	1498	{
1215	dREQ;	1499	dREQ;
1216		1500
1217	req->type = EIO_MKNOD;	1501	req->type = EIO_MKNOD;
1218	req->sv1 = newSVsv (pathname);
1219	req->ptr1 = SvPVbyte_nolen (req->sv1);
1220	req->int2 = (mode_t)mode;	1502	req->int2 = (mode_t)mode;
1221	req->offs = dev;	1503	req->offs = dev;
		1504	req_set_path1 (req, pathname);
1222		1505
1223	REQ_SEND;	1506	REQ_SEND;
1224	}	1507	}
1225		1508
1226	void	1509	void
1227	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1510	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1228	ALIAS:	1511	ALIAS:
1229	aio_mtouch = EIO_MTOUCH	1512	aio_mtouch = EIO_MTOUCH
1230	aio_msync = EIO_MSYNC	1513	aio_msync = EIO_MSYNC
1231	PROTOTYPE: $$$$;$
1232	PPCODE:	1514	PPCODE:
1233	{	1515	{
1234	STRLEN svlen;	1516	STRLEN svlen;
		1517	char *svptr = SvPVbyte (data, svlen);
1235	UV len = SvUV (length);	1518	UV len = SvUV (length);
1236	char *svptr = SvPVbyte (data, svlen);
1237		1519
1238	if (offset < 0)	1520	if (offset < 0)
1239	offset += svlen;	1521	offset += svlen;
1240		1522
1241	if (offset < 0 || offset > svlen)	1523	if (offset < 0 || offset > svlen)
…		…
1246		1528
1247	{	1529	{
1248	dREQ;	1530	dREQ;
1249		1531
1250	req->type = ix;	1532	req->type = ix;
1251	req->size = len;
1252	req->sv2 = SvREFCNT_inc (data);	1533	req->sv2 = SvREFCNT_inc (data);
1253	req->ptr2 = (char *)svptr + offset;	1534	req->ptr2 = (char *)svptr + offset;
		1535	req->size = len;
1254	req->int1 = flags;	1536	req->int1 = flags;
1255		1537
1256	REQ_SEND;	1538	REQ_SEND;
1257	}	1539	}
1258	}	1540	}
1259		1541
1260	void	1542	void
		1543	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1544	PPCODE:
		1545	{
		1546	STRLEN svlen;
		1547	char *svptr = SvPVbyte (data, svlen);
		1548	UV len = SvUV (length);
		1549
		1550	if (offset < 0)
		1551	offset += svlen;
		1552
		1553	if (offset < 0 || offset > svlen)
		1554	croak ("offset outside of scalar");
		1555
		1556	if (!SvOK (length) || len + offset > svlen)
		1557	len = svlen - offset;
		1558
		1559	{
		1560	dREQ;
		1561
		1562	req->type = EIO_MLOCK;
		1563	req->sv2 = SvREFCNT_inc (data);
		1564	req->ptr2 = (char *)svptr + offset;
		1565	req->size = len;
		1566
		1567	REQ_SEND;
		1568	}
		1569	}
		1570
		1571	void
		1572	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1573	PPCODE:
		1574	{
		1575	dREQ;
		1576
		1577	req->type = EIO_MLOCKALL;
		1578	req->int1 = flags;
		1579
		1580	REQ_SEND;
		1581	}
		1582
		1583	void
		1584	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1585	PPCODE:
		1586	{
		1587	int fd = s_fileno_croak (fh, 0);
		1588	dREQ;
		1589
		1590	req->type = EIO_CUSTOM;
		1591	req->sv1 = newSVsv (fh);
		1592	req->int1 = fd;
		1593
		1594	req->feed = fiemap;
		1595	#if HAVE_FIEMAP
		1596	/* keep our fingers crossed that the next two types are 64 bit */
		1597	req->offs = start;
		1598	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1599	req->int2 = flags;
		1600	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1601	#endif
		1602
		1603	REQ_SEND;
		1604	}
		1605
		1606	void
1261	aio_busy (double delay, SV *callback=&PL_sv_undef)	1607	aio_busy (double delay, SV *callback = &PL_sv_undef)
1262	PPCODE:	1608	PPCODE:
1263	{	1609	{
1264	dREQ;	1610	dREQ;
1265		1611
1266	req->type = EIO_BUSY;	1612	req->type = EIO_BUSY;
…		…
1268		1614
1269	REQ_SEND;	1615	REQ_SEND;
1270	}	1616	}
1271		1617
1272	void	1618	void
1273	aio_group (SV *callback=&PL_sv_undef)	1619	aio_group (SV *callback = &PL_sv_undef)
1274	PROTOTYPE: ;$
1275	PPCODE:	1620	PPCODE:
1276	{	1621	{
1277	dREQ;	1622	dREQ;
1278		1623
1279	req->type = EIO_GROUP;	1624	req->type = EIO_GROUP;
1280		1625
		1626	PUTBACK;
1281	req_submit (req);	1627	req_submit (req);
		1628	SPAGAIN;
		1629
1282	XPUSHs (req_sv (req, aio_grp_stash));	1630	XPUSHs (req_sv (req, aio_grp_stash));
1283	}	1631	}
1284		1632
1285	void	1633	void
1286	aio_nop (SV *callback=&PL_sv_undef)	1634	aio_nop (SV *callback = &PL_sv_undef)
1287	ALIAS:	1635	ALIAS:
1288	aio_nop = EIO_NOP	1636	aio_nop = EIO_NOP
1289	aio_sync = EIO_SYNC	1637	aio_sync = EIO_SYNC
1290	PPCODE:	1638	PPCODE:
1291	{	1639	{
…		…
1295		1643
1296	REQ_SEND;	1644	REQ_SEND;
1297	}	1645	}
1298		1646
1299	int	1647	int
1300	aioreq_pri (int pri = 0)	1648	aioreq_pri (int pri = NO_INIT)
1301	PROTOTYPE: ;$
1302	CODE:	1649	CODE:
1303	RETVAL = next_pri;	1650	RETVAL = next_pri;
1304	if (items > 0)	1651	if (items > 0)
1305	{	1652	{
1306	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1653	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1318	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1665	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319	next_pri = nice;	1666	next_pri = nice;
1320		1667
1321	void	1668	void
1322	flush ()	1669	flush ()
1323	PROTOTYPE:
1324	CODE:	1670	CODE:
1325	while (eio_nreqs ())	1671	while (eio_nreqs ())
1326	{	1672	{
1327	poll_wait ();	1673	poll_wait ();
1328	poll_cb ();	1674	poll_cb ();
1329	}	1675	}
1330		1676
1331	int	1677	int
1332	poll()	1678	poll ()
1333	PROTOTYPE:
1334	CODE:	1679	CODE:
1335	poll_wait ();	1680	poll_wait ();
1336	RETVAL = poll_cb ();	1681	RETVAL = poll_cb ();
1337	OUTPUT:	1682	OUTPUT:
1338	RETVAL	1683	RETVAL
1339		1684
1340	int	1685	int
1341	poll_fileno()	1686	poll_fileno ()
1342	PROTOTYPE:
1343	CODE:	1687	CODE:
1344	RETVAL = s_epipe_fd (&respipe);	1688	RETVAL = s_epipe_fd (&respipe);
1345	OUTPUT:	1689	OUTPUT:
1346	RETVAL	1690	RETVAL
1347		1691
1348	int	1692	int
1349	poll_cb(...)	1693	poll_cb (...)
1350	PROTOTYPE:	1694	PROTOTYPE:
1351	CODE:	1695	CODE:
1352	RETVAL = poll_cb ();	1696	RETVAL = poll_cb ();
1353	OUTPUT:	1697	OUTPUT:
1354	RETVAL	1698	RETVAL
1355		1699
1356	void	1700	void
1357	poll_wait()	1701	poll_wait ()
1358	PROTOTYPE:
1359	CODE:	1702	CODE:
1360	poll_wait ();	1703	poll_wait ();
1361		1704
1362	int	1705	int
1363	nreqs()	1706	nreqs ()
1364	PROTOTYPE:
1365	CODE:	1707	CODE:
1366	RETVAL = eio_nreqs ();	1708	RETVAL = eio_nreqs ();
1367	OUTPUT:	1709	OUTPUT:
1368	RETVAL	1710	RETVAL
1369		1711
1370	int	1712	int
1371	nready()	1713	nready ()
1372	PROTOTYPE:
1373	CODE:	1714	CODE:
1374	RETVAL = eio_nready ();	1715	RETVAL = eio_nready ();
1375	OUTPUT:	1716	OUTPUT:
1376	RETVAL	1717	RETVAL
1377		1718
1378	int	1719	int
1379	npending()	1720	npending ()
1380	PROTOTYPE:
1381	CODE:	1721	CODE:
1382	RETVAL = eio_npending ();	1722	RETVAL = eio_npending ();
1383	OUTPUT:	1723	OUTPUT:
1384	RETVAL	1724	RETVAL
1385		1725
1386	int	1726	int
1387	nthreads()	1727	nthreads ()
1388	PROTOTYPE:
1389	CODE:	1728	CODE:
1390	RETVAL = eio_nthreads ();	1729	RETVAL = eio_nthreads ();
1391	OUTPUT:	1730	OUTPUT:
1392	RETVAL	1731	RETVAL
1393		1732
1394	int	1733	int
1395	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1734	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396	PROTOTYPE: $$$$
1397	CODE:	1735	CODE:
1398	RETVAL = posix_fadvise (fh, offset, length, advice);	1736	RETVAL = posix_fadvise (fh, offset, length, advice);
1399	OUTPUT:	1737	OUTPUT:
1400	RETVAL	1738	RETVAL
1401		1739
1402	ssize_t	1740	IV
1403	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1741	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404	PROTOTYPE: $$$$
1405	CODE:	1742	CODE:
1406	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1743	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407	OUTPUT:	1744	OUTPUT:
1408	RETVAL	1745	RETVAL
1409		1746
1410	void	1747	void
1411	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1748	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412	PROTOTYPE: $$$$$;$
1413	PPCODE:	1749	PPCODE:
1414	sv_unmagic (scalar, MMAP_MAGIC);	1750	sv_unmagic (scalar, MMAP_MAGIC);
1415	{	1751	{
1416	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1753	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1440	XSRETURN_YES;	1776	XSRETURN_YES;
1441	}	1777	}
1442		1778
1443	void	1779	void
1444	munmap (SV *scalar)	1780	munmap (SV *scalar)
1445	PROTOTYPE: $
1446	CODE:	1781	CODE:
1447	sv_unmagic (scalar, MMAP_MAGIC);	1782	sv_unmagic (scalar, MMAP_MAGIC);
1448		1783
1449	int	1784	int
1450	madvise (SV *scalar, off_t offset, off_t length, IV advice)	1785	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1451	PROTOTYPE: $$$$	1786	ALIAS:
		1787	mprotect = 1
1452	CODE:	1788	CODE:
1453	{	1789	{
1454	char *addr = SvPV_nolen (scalar) + offset;	1790	STRLEN svlen;
		1791	void *addr = SvPVbyte (scalar, svlen);
		1792	STRLEN len = SvUV (length);
1455		1793
1456	if (!SvOK (ST (2)))	1794	if (offset < 0)
		1795	offset += svlen;
		1796
		1797	if (offset < 0 || offset > svlen)
		1798	croak ("offset outside of scalar");
		1799
		1800	if (!SvOK (length) || len + offset > svlen)
1457	length = SvCUR (scalar) - offset;	1801	len = svlen - offset;
1458		1802
1459	if (addr >= SvEND (scalar) || length <= 0)	1803	addr = (void *)(((intptr_t)addr) + offset);
1460	XSRETURN_EMPTY;	1804	eio_page_align (&addr, &len);
1461		1805
		1806	switch (ix)
		1807	{
1462	RETVAL = posix_madvise (addr, length, advice);	1808	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1809	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1810	}
1463	}	1811	}
1464	OUTPUT:	1812	OUTPUT:
1465	RETVAL	1813	RETVAL
1466		1814
1467	int	1815	int
1468	mlockall (int flags)	1816	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1469	PROTOTYPE: $
1470	CODE:	1817	CODE:
		1818	{
		1819	STRLEN svlen;
		1820	void *addr = SvPVbyte (scalar, svlen);
		1821	size_t len = SvUV (length);
		1822
		1823	if (offset < 0)
		1824	offset += svlen;
		1825
		1826	if (offset < 0 || offset > svlen)
		1827	croak ("offset outside of scalar");
		1828
		1829	if (!SvOK (length) || len + offset > svlen)
		1830	len = svlen - offset;
		1831
		1832	addr = (void *)(((intptr_t)addr) + offset);
		1833	eio_page_align (&addr, &len);
1471	#if _POSIX_MEMLOCK	1834	#if _POSIX_MEMLOCK_RANGE
1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1835	RETVAL = munlock (addr, len);
1473	extern int mallopt (int, int);
1474	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475	#endif
1476	mlockall (flags);
1477	#else	1836	#else
1478	RETVAL = -1;	1837	RETVAL = EIO_ENOSYS ();
1479	errno = ENOSYS;
1480	#endif	1838	#endif
		1839	}
1481	OUTPUT:	1840	OUTPUT:
1482	RETVAL	1841	RETVAL
1483		1842
1484	int	1843	int
1485	munlockall ()	1844	munlockall ()
1486	PROTOTYPE:
1487	CODE:	1845	CODE:
1488	#if _POSIX_MEMLOCK	1846	#if _POSIX_MEMLOCK
1489	munlockall ();	1847	munlockall ();
1490	#else	1848	#else
		1849	RETVAL = EIO_ENOSYS ();
		1850	#endif
		1851	OUTPUT:
		1852	RETVAL
		1853
		1854	int
		1855	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1856	CODE:
		1857	{
		1858	#if HAVE_LINUX_SPLICE
		1859	loff_t off_in_, off_out_;
		1860	RETVAL = splice (
		1861	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1862	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1863	length, flags
		1864	);
		1865	#else
		1866	RETVAL = EIO_ENOSYS ();
		1867	#endif
		1868	}
		1869	OUTPUT:
		1870	RETVAL
		1871
		1872	int
		1873	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1874	CODE:
		1875	#if HAVE_LINUX_SPLICE
		1876	RETVAL = tee (rfh, wfh, length, flags);
		1877	#else
		1878	RETVAL = EIO_ENOSYS ();
		1879	#endif
		1880	OUTPUT:
		1881	RETVAL
		1882
		1883	int
		1884	pipesize (aio_rfd rfh, int new_size = -1)
		1885	PROTOTYPE: $;$
		1886	CODE:
		1887	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1888	if (new_size >= 0)
		1889	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1890	else
		1891	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1892	#else
		1893	errno = ENOSYS;
1491	RETVAL = -1;	1894	RETVAL = -1;
1492	errno = ENOSYS;
1493	#endif	1895	#endif
1494	OUTPUT:	1896	OUTPUT:
1495	RETVAL	1897	RETVAL
1496		1898
1497	void _on_next_submit (SV *cb)	1899	void _on_next_submit (SV *cb)
…		…
1499	SvREFCNT_dec (on_next_submit);	1901	SvREFCNT_dec (on_next_submit);
1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1902	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501		1903
1502	PROTOTYPES: DISABLE	1904	PROTOTYPES: DISABLE
1503		1905
		1906	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1907
		1908	BOOT:
		1909	{
		1910	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1911	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1912	}
		1913
		1914	void
		1915	DESTROY (SV *self)
		1916	CODE:
		1917	{
		1918	aio_wd wd = SvAIO_WD (self);
		1919	#if HAVE_AT
		1920	{
		1921	SV *callback = &PL_sv_undef;
		1922	dREQ; /* clobbers next_pri :/ */
		1923	next_pri = req->pri; /* restore next_pri */
		1924	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1925	req->type = EIO_WD_CLOSE;
		1926	req->wd = wd;
		1927	REQ_SEND;
		1928	}
		1929	#else
		1930	eio_wd_close_sync (wd);
		1931	#endif
		1932	}
		1933
1504	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1934	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505		1935
1506	void	1936	void
1507	cancel (aio_req_ornot req)	1937	cancel (aio_req_ornot req)
1508	CODE:	1938	CODE:
1509	eio_cancel (req);	1939	eio_cancel (req);
1510		1940
1511	void	1941	void
1512	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1942	cb (aio_req_ornot req, SV *callback = NO_INIT)
1513	PPCODE:	1943	PPCODE:
1514	{	1944	{
1515	if (GIMME_V != G_VOID)	1945	if (GIMME_V != G_VOID)
1516	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1946	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517		1947
1518	if (items > 1)	1948	if (items > 1)
1519	{	1949	{
1520	SV *cb_cv =get_cb (callback);	1950	SV *cb_cv = get_cb (callback);
1521		1951
1522	SvREFCNT_dec (req->callback);	1952	SvREFCNT_dec (req->callback);
1523	req->callback = SvREFCNT_inc (cb_cv);	1953	req->callback = SvREFCNT_inc (cb_cv);
1524	}	1954	}
1525	}	1955	}
…		…
1582	limit (aio_req grp, int limit)	2012	limit (aio_req grp, int limit)
1583	CODE:	2013	CODE:
1584	eio_grp_limit (grp, limit);	2014	eio_grp_limit (grp, limit);
1585		2015
1586	void	2016	void
1587	feed (aio_req grp, SV *callback=&PL_sv_undef)	2017	feed (aio_req grp, SV *callback = &PL_sv_undef)
1588	CODE:	2018	CODE:
1589	{	2019	{
1590	SvREFCNT_dec (grp->sv2);	2020	SvREFCNT_dec (grp->sv2);
1591	grp->sv2 = newSVsv (callback);	2021	grp->sv2 = newSVsv (callback);
1592	grp->feed = aio_grp_feed;	2022	grp->feed = aio_grp_feed;

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