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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.181 by root, Tue Feb 15 03:21:41 2011 UTC vs.
Revision 1.218 by root, Fri Jul 27 17:54:40 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
21	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		23
		24	#if __linux__
		25	# include <linux/fs.h>
		26	# ifdef FS_IOC_FIEMAP
		27	# include <linux/types.h>
		28	# include <linux/fiemap.h>
		29	# define HAVE_FIEMAP 1
		30	# endif
		31	#endif
		32
25	/* perl namespace pollution */	33	/* perl namespace pollution */
26	#undef VERSION	34	#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		35
77	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	38	#undef readdir
80	#undef opendir	39	#undef opendir
81	#undef closedir	40	#undef closedir
82		41
		42	#ifdef _WIN32
		43
		44	// perl overrides all those nice libc functions
		45
		46	#undef malloc
		47	#undef free
		48	#undef open
		49	#undef read
		50	#undef write
		51	#undef send
		52	#undef recv
		53	#undef stat
		54	#undef lstat
		55	#undef fstat
		56	#undef truncate
		57	#undef ftruncate
		58	#undef open
		59	#undef link
		60	#undef close
		61	#undef unlink
		62	#undef mkdir
		63	#undef rmdir
		64	#undef rename
		65	#undef lseek
		66	#undef opendir
		67	#undef readdir
		68	#undef closedir
		69	#undef chmod
		70	#undef fchmod
		71	#undef dup
		72	#undef dup2
		73	#undef abort
		74	#undef pipe
		75
		76	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STATI64
84		78
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	79	#else
91	# define VAL64 NV	80
92	# define SvVAL64 SvNV	81	#include <sys/time.h>
93	# define newSVval64 newSVnv	82	#include <sys/select.h>
		83	#include <unistd.h>
		84	#include <utime.h>
		85	#include <signal.h>
		86
		87	#define EIO_STRUCT_STAT Stat_t
		88
94	#endif	89	#endif
95		90
96	/*****************************************************************************/	91	/*****************************************************************************/
97		92
98	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
108		103
109	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
112		107
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		109
115	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
116	SV *callback; \	111	SV *callback; \
117	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
118	STRLEN stroffset; \	114	STRLEN stroffset; \
119	SV *self;	115	SV *self;
120		116
121	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
122		118
123	#include "libeio/config.h"	119	#include "libeio/config.h"
124	#include "libeio/eio.h"	120	#include "libeio/eio.h"
125		121
126	#ifndef POSIX_FADV_NORMAL	122	static int req_invoke (eio_req *req);
127	# define POSIX_FADV_NORMAL 0	123	#define EIO_FINISH(req) req_invoke (req)
128	#endif	124	static void req_destroy (eio_req *grp);
129	#ifndef POSIX_FADV_SEQUENTIAL	125	#define EIO_DESTROY(req) req_destroy (req)
130	# define POSIX_FADV_SEQUENTIAL 0	126
131	#endif	127	#include "libeio/eio.c"
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		128
145	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	130	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147	#endif	131	#endif
148		132
149	#ifndef POSIX_MADV_NORMAL
150	# define POSIX_MADV_NORMAL 0
151	#endif
152	#ifndef POSIX_MADV_SEQUENTIAL
153	# define POSIX_MADV_SEQUENTIAL 0
154	#endif
155	#ifndef POSIX_MADV_RANDOM
156	# define POSIX_MADV_RANDOM 0
157	#endif
158	#ifndef POSIX_MADV_WILLNEED
159	# define POSIX_MADV_WILLNEED 0
160	#endif
161	#ifndef POSIX_MADV_DONTNEED
162	# define POSIX_MADV_DONTNEED 0
163	#endif
164
165	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
166	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167	#endif
168
169	#ifndef PROT_NONE
170	# define PROT_NONE 0
171	#endif
172	#ifndef PROT_READ
173	# define PROT_READ 0
174	#endif
175	#ifndef PROT_WRITE
176	# define PROT_READ 0
177	#endif
178	#ifndef PROT_EXEC
179	# define PROT_EXEC 0
180	#endif
181
182	#ifndef ST_NODEV
183	# define ST_NODEV 0
184	#endif
185	#ifndef ST_NOEXEC
186	# define ST_NOEXEC 0
187	#endif
188	#ifndef ST_SYNCHRONOUS
189	# define ST_SYNCHRONOUS 0
190	#endif
191	#ifndef ST_MANDLOCK
192	# define ST_MANDLOCK 0
193	#endif
194	#ifndef ST_WRITE
195	# define ST_WRITE 0
196	#endif
197	#ifndef ST_APPEND
198	# define ST_APPEND 0
199	#endif
200	#ifndef ST_IMMUTABLE
201	# define ST_IMMUTABLE 0
202	#endif
203	#ifndef ST_NOATIME
204	# define ST_NOATIME 0
205	#endif
206	#ifndef ST_NODIRATIME
207	# define ST_NODIRATIME 0
208	#endif
209	#ifndef ST_RELATIME
210	# define ST_RELATIME 0
211	#endif
212
213	#ifndef S_IFIFO
214	# define S_IFIFO 0
215	#endif
216	#ifndef S_IFCHR
217	# define S_IFCHR 0
218	#endif
219	#ifndef S_IFBLK
220	# define S_IFBLK 0
221	#endif
222	#ifndef S_IFLNK
223	# define S_IFLNK 0
224	#endif
225	#ifndef S_IFREG
226	# define S_IFREG 0
227	#endif
228	#ifndef S_IFDIR
229	# define S_IFDIR 0
230	#endif
231	#ifndef S_IFWHT
232	# define S_IFWHT 0
233	#endif
234	#ifndef S_IFSOCK
235	# define S_IFSOCK 0
236	#endif	135	#endif
237		136
238	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
239	# ifdef MAP_ANON	138	# ifdef MAP_ANON
240	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
241	# else	140	# else
242	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243	# endif	142	# endif
244	#endif	143	#endif
245	#ifndef MAP_HUGETLB	144
246	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
247	#endif	146	#include "def0.h"
248	#ifndef MAP_LOCKED
249	# define MAP_LOCKED 0
250	#endif
251	#ifndef MAP_NORESERVE
252	# define MAP_NORESERVE 0
253	#endif
254	#ifndef MAP_POPULATE
255	# define MAP_POPULATE 0
256	#endif
257	#ifndef MAP_NONBLOCK
258	# define MAP_NONBLOCK 0
259	#endif
260		147
261	#ifndef makedev	148	#ifndef makedev
262	# define makedev(maj,min) (((maj) << 8) | (min))	149	# define makedev(maj,min) (((maj) << 8) | (min))
263	#endif	150	#endif
264	#ifndef major	151	#ifndef major
…		…
270		157
271	#ifndef PAGESIZE	158	#ifndef PAGESIZE
272	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
273	#endif	160	#endif
274		161
275	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
276	#define EIO_FINISH(req) req_invoke (req)	163
277	static void req_destroy (eio_req *grp);	164	static void
278	#define EIO_DESTROY(req) req_destroy (req)	165	fiemap (eio_req *req)
		166	{
		167	req->result = -1;
		168
		169	#if HAVE_FIEMAP
		170	int count = req->int3;
		171
		172	/* heuristic: first try with 72 extents if we don't know how many, */
		173	/* as most files have (hopefully) fewer than this many extents */
		174	/* in fact, most should have <= 2, so the 72 below is probably overkill */
		175	if (count < 0)
		176	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
		177
		178	for (;;)
		179	{
		180	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		181	errno = ENOMEM;
		182	if (!fiemap)
		183	return;
		184
		185	req->ptr1 = fiemap;
		186	req->flags |= EIO_FLAG_PTR1_FREE;
		187
		188	fiemap->fm_start = req->offs;
		189	fiemap->fm_length = req->size;
		190	fiemap->fm_flags = req->int2;
		191	fiemap->fm_extent_count = count;
		192
		193	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		194	return;
		195
		196	if (req->int3 >= 0)
		197	break; /* when not autosizing we are done */
		198
		199	if (!fiemap->fm_mapped_extents)
		200	break; /* if file has no segments, we are done */
		201
		202	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		203	break; /* autosizing successful, we are done */
		204
		205	fiemap->fm_flags = req->int2;
		206	fiemap->fm_extent_count = 0;
		207
		208	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		209	return;
		210
		211	count = fiemap->fm_mapped_extents;
		212
		213	free (fiemap);
		214	}
		215
		216	req->result = 0;
		217
		218	#else
		219	errno = ENOSYS;
		220	#endif
		221	}
		222
		223	/*****************************************************************************/
279		224
280	enum {	225	enum {
281	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	226	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
282	};	227	};
283		228
284	#include "libeio/eio.c"
285
286	typedef eio_req *aio_req;	229	typedef eio_req *aio_req;
287	typedef eio_req *aio_req_ornot;	230	typedef eio_req *aio_req_ornot;
		231	typedef eio_wd aio_wd;
288		232
289	static SV *on_next_submit;	233	static SV *on_next_submit;
290	static int next_pri = EIO_PRI_DEFAULT;	234	static int next_pri = EIO_PRI_DEFAULT;
291	static int max_outstanding;	235	static int max_outstanding;
292		236
293	static s_epipe respipe;	237	static s_epipe respipe;
294		238
295	static void req_destroy (aio_req req);	239	static void req_destroy (aio_req req);
296	static void req_cancel (aio_req req);	240	static void req_cancel (aio_req req);
297		241
298	static void want_poll (void)	242	static void
		243	want_poll (void)
299	{	244	{
300	/* write a dummy byte to the pipe so fh becomes ready */	245	/* write a dummy byte to the pipe so fh becomes ready */
301	s_epipe_signal (&respipe);	246	s_epipe_signal (&respipe);
302	}	247	}
303		248
304	static void done_poll (void)	249	static void
		250	done_poll (void)
305	{	251	{
306	/* read any signals sent by the worker threads */	252	/* read any signals sent by the worker threads */
307	s_epipe_drain (&respipe);	253	s_epipe_drain (&respipe);
308	}	254	}
309		255
310	/* must be called at most once */	256	/* must be called at most once */
		257	static SV *
311	static SV *req_sv (aio_req req, HV *stash)	258	req_sv (aio_req req, HV *stash)
312	{	259	{
313	if (!req->self)	260	if (!req->self)
314	{	261	{
315	req->self = (SV *)newHV ();	262	req->self = (SV *)newHV ();
316	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	263	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
317	}	264	}
318		265
319	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	266	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
320	}	267	}
321		268
322	static aio_req SvAIO_REQ (SV *sv)	269	static SV *
		270	newSVaio_wd (aio_wd wd)
		271	{
		272	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		273	}
		274
		275	static aio_req
		276	SvAIO_REQ (SV *sv)
323	{	277	{
324	MAGIC *mg;	278	MAGIC *mg;
325		279
326	if (!SvROK (sv)	280	if (!SvROK (sv)
		281	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
327	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	282	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
328	&& SvSTASH (SvRV (sv)) != aio_req_stash	283	&& SvSTASH (SvRV (sv)) != aio_req_stash
329	&& !sv_derived_from (sv, "IO::AIO::REQ")))	284	&& !sv_derived_from (sv, "IO::AIO::REQ")))
330	croak ("object of class IO::AIO::REQ expected");	285	croak ("object of class IO::AIO::REQ expected");
331		286
332	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	287	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
333		288
334	return mg ? (aio_req)mg->mg_ptr : 0;	289	return mg ? (aio_req)mg->mg_ptr : 0;
335	}	290	}
336		291
		292	static aio_wd
		293	SvAIO_WD (SV *sv)
		294	{
		295	if (!SvROK (sv)
		296	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		297	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		298	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		299
		300	return (aio_wd)(long)SvIVX (SvRV (sv));
		301	}
		302
		303	static void
337	static void aio_grp_feed (aio_req grp)	304	aio_grp_feed (aio_req grp)
338	{	305	{
339	if (grp->sv2 && SvOK (grp->sv2))	306	if (grp->sv2 && SvOK (grp->sv2))
340	{	307	{
341	dSP;	308	dSP;
342		309
…		…
350	FREETMPS;	317	FREETMPS;
351	LEAVE;	318	LEAVE;
352	}	319	}
353	}	320	}
354		321
		322	static void
355	static void req_submit (eio_req *req)	323	req_submit (eio_req *req)
356	{	324	{
357	eio_submit (req);	325	eio_submit (req);
358		326
359	if (expect_false (on_next_submit))	327	if (expect_false (on_next_submit))
360	{	328	{
…		…
367	PUTBACK;	335	PUTBACK;
368	call_sv (cb, G_DISCARD | G_EVAL);	336	call_sv (cb, G_DISCARD | G_EVAL);
369	}	337	}
370	}	338	}
371		339
		340	static int
372	static int req_invoke (eio_req *req)	341	req_invoke (eio_req *req)
373	{	342	{
374	if (req->flags & FLAG_SV2_RO_OFF)	343	if (req->flags & FLAG_SV2_RO_OFF)
375	SvREADONLY_off (req->sv2);	344	SvREADONLY_off (req->sv2);
376		345
377	if (!EIO_CANCELLED (req) && req->callback)	346	if (!EIO_CANCELLED (req) && req->callback)
…		…
398	SvREADONLY_on (sv_result);	367	SvREADONLY_on (sv_result);
399	}	368	}
400		369
401	switch (req->type)	370	switch (req->type)
402	{	371	{
		372	case EIO_WD_OPEN:
		373	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		374	break;
		375
403	case EIO_READDIR:	376	case EIO_READDIR:
404	{	377	{
405	SV *rv = &PL_sv_undef;	378	SV *rv = &PL_sv_undef;
406		379
407	if (req->result >= 0)	380	if (req->result >= 0)
…		…
495	case EIO_STATVFS:	468	case EIO_STATVFS:
496	case EIO_FSTATVFS:	469	case EIO_FSTATVFS:
497	{	470	{
498	SV *rv = &PL_sv_undef;	471	SV *rv = &PL_sv_undef;
499		472
		473	#ifndef _WIN32
500	if (req->result >= 0)	474	if (req->result >= 0)
501	{	475	{
502	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	476	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503	HV *hv = newHV ();	477	HV *hv = newHV ();
504		478
…		…
514	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	488	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
515	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	489	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
516	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	490	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
517	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	491	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518	}	492	}
		493	#endif
519		494
520	PUSHs (rv);	495	PUSHs (rv);
521	}	496	}
522		497
523	break;	498	break;
…		…
539	case EIO_NOP:	514	case EIO_NOP:
540	case EIO_BUSY:	515	case EIO_BUSY:
541	break;	516	break;
542		517
543	case EIO_READLINK:	518	case EIO_READLINK:
		519	case EIO_REALPATH:
544	if (req->result > 0)	520	if (req->result > 0)
545	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	521	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
546	break;	522	break;
547		523
548	case EIO_STAT:	524	case EIO_STAT:
549	case EIO_LSTAT:	525	case EIO_LSTAT:
550	case EIO_FSTAT:	526	case EIO_FSTAT:
551	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	527	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		528
552	PL_laststatval = req->result;	529	if (!(PL_laststatval = req->result))
		530	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
553	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	531	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		532
554	PUSHs (sv_result);	533	PUSHs (sv_result);
		534	break;
		535
		536	case EIO_SEEK:
		537	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
555	break;	538	break;
556		539
557	case EIO_READ:	540	case EIO_READ:
558	{	541	{
559	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	542	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
562	SvSETMAGIC (req->sv2);	545	SvSETMAGIC (req->sv2);
563	PUSHs (sv_result);	546	PUSHs (sv_result);
564	}	547	}
565	break;	548	break;
566		549
		550	case EIO_CUSTOM:
		551	if (req->feed == fiemap)
		552	{
		553	#if HAVE_FIEMAP
		554	if (!req->result)
		555	{
		556	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		557
		558	if (fiemap->fm_extent_count)
		559	{
		560	AV *av = newAV ();
		561	int i;
		562
		563	while (fiemap->fm_mapped_extents)
		564	{
		565	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		566	AV *ext_av = newAV ();
		567
		568	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		569	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		570	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		571	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		572
		573	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		574	}
		575
		576	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		577	}
		578	else
		579	{
		580	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		581	PUSHs (sv_result);
		582	}
		583	}
		584	#endif
		585	}
		586	else
		587	PUSHs (sv_result);
		588	break;
		589
567	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	590	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
568	if (req->result > 0)	591	if (req->result > 0)
569	SvIV_set (sv_result, 0);	592	SvIV_set (sv_result, 0);
570	/* FALLTHROUGH */	593	/* FALLTHROUGH */
571		594
…		…
592	}	615	}
593		616
594	return !!SvTRUE (ERRSV);	617	return !!SvTRUE (ERRSV);
595	}	618	}
596		619
		620	static void
597	static void req_destroy (aio_req req)	621	req_destroy (aio_req req)
598	{	622	{
599	if (req->self)	623	if (req->self)
600	{	624	{
601	sv_unmagic (req->self, PERL_MAGIC_ext);	625	sv_unmagic (req->self, PERL_MAGIC_ext);
602	SvREFCNT_dec (req->self);	626	SvREFCNT_dec (req->self);
603	}	627	}
604		628
605	SvREFCNT_dec (req->sv1);	629	SvREFCNT_dec (req->sv1);
606	SvREFCNT_dec (req->sv2);	630	SvREFCNT_dec (req->sv2);
		631	SvREFCNT_dec (req->sv3);
		632	SvREFCNT_dec (req->sv4);
607	SvREFCNT_dec (req->callback);	633	SvREFCNT_dec (req->callback);
608		634
609	Safefree (req);	635	free (req);
610	}	636	}
611		637
		638	static void
612	static void req_cancel_subs (aio_req grp)	639	req_cancel_subs (aio_req grp)
613	{	640	{
614	aio_req sub;
615
616	if (grp->type != EIO_GROUP)	641	if (grp->type != EIO_GROUP)
617	return;	642	return;
618		643
619	SvREFCNT_dec (grp->sv2);	644	SvREFCNT_dec (grp->sv2);
620	grp->sv2 = 0;	645	grp->sv2 = 0;
621		646
622	eio_grp_cancel (grp);	647	eio_grp_cancel (grp);
623	}	648	}
624		649
625	static void	650	static void ecb_cold
626	create_respipe (void)	651	create_respipe (void)
627	{	652	{
628	if (s_epipe_renew (&respipe))	653	if (s_epipe_renew (&respipe))
629	croak ("IO::AIO: unable to initialize result pipe");	654	croak ("IO::AIO: unable to initialize result pipe");
630	}	655	}
631		656
632	static void poll_wait (void)	657	static void
		658	poll_wait (void)
633	{	659	{
634	while (eio_nreqs ())	660	while (eio_nreqs ())
635	{	661	{
636	int size;	662	int size;
637		663
…		…
646		672
647	s_epipe_wait (&respipe);	673	s_epipe_wait (&respipe);
648	}	674	}
649	}	675	}
650		676
651	static int poll_cb (void)	677	static int
		678	poll_cb (void)
652	{	679	{
653	for (;;)	680	for (;;)
654	{	681	{
655	int res = eio_poll ();	682	int res = eio_poll ();
656		683
…		…
662		689
663	poll_wait ();	690	poll_wait ();
664	}	691	}
665	}	692	}
666		693
667	static void atfork_child (void)	694	static void ecb_cold
		695	reinit (void)
668	{	696	{
669	create_respipe ();	697	create_respipe ();
		698
		699	if (eio_init (want_poll, done_poll) < 0)
		700	croak ("IO::AIO: unable to initialise eio library");
670	}	701	}
671		702
672	/*****************************************************************************/	703	/*****************************************************************************/
673		704
674	#if !_POSIX_MAPPED_FILES	705	#if !_POSIX_MAPPED_FILES
675	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	706	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
676	# define munmap(addr,length) (errno = ENOSYS, -1)	707	# define munmap(addr,length) EIO_ENOSYS ()
677	#endif	708	#endif
678		709
679	#if !_POSIX_MEMORY_PROTECTION	710	#if !_POSIX_MEMORY_PROTECTION
680	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	711	# define mprotect(addr,len,prot) EIO_ENOSYS ()
681	# define PROT_NONE 0	712	# define PROT_NONE 0
682	# define PROT_WRITE 0	713	# define PROT_WRITE 0
683	# define MAP_PRIVATE 0	714	# define MAP_PRIVATE 0
684	# define MAP_SHARED 0	715	# define MAP_SHARED 0
685	# define MAP_FIXED 0	716	# define MAP_FIXED 0
686	#endif	717	#endif
687		718
688	#define MMAP_MAGIC PERL_MAGIC_ext	719	#define MMAP_MAGIC PERL_MAGIC_ext
689		720
690	static int	721	static int ecb_cold
691	mmap_free (pTHX_ SV *sv, MAGIC *mg)	722	mmap_free (pTHX_ SV *sv, MAGIC *mg)
692	{	723	{
693	int old_errno = errno;	724	int old_errno = errno;
694	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	725	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695	errno = old_errno;	726	errno = old_errno;
…		…
719	{	750	{
720	SvGETMAGIC (cb_sv);	751	SvGETMAGIC (cb_sv);
721	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	752	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
722	}	753	}
723		754
		755	static aio_req ecb_noinline
		756	dreq (SV *callback)
		757	{
		758	SV *cb_cv;
		759	aio_req req;
		760	int req_pri = next_pri;
		761	next_pri = EIO_PRI_DEFAULT;
		762
		763	cb_cv = get_cb (callback);
		764
		765	req = calloc (sizeof (*req), 1);
		766	if (!req)
		767	croak ("out of memory during eio_req allocation");
		768
		769	req->callback = SvREFCNT_inc (cb_cv);
		770	req->pri = req_pri;
		771
		772	return req;
		773	}
		774
724	#define dREQ \	775	#define dREQ \
725	SV *cb_cv; \	776	aio_req req = dreq (callback); \
726	aio_req req; \
727	int req_pri = next_pri; \
728	next_pri = EIO_PRI_DEFAULT; \
729	\
730	cb_cv = get_cb (callback); \
731	\
732	Newz (0, req, 1, eio_req); \
733	if (!req) \
734	croak ("out of memory during eio_req allocation"); \
735	\
736	req->callback = SvREFCNT_inc (cb_cv); \
737	req->pri = req_pri
738		777
739	#define REQ_SEND \	778	#define REQ_SEND \
740	PUTBACK; \	779	PUTBACK; \
741	req_submit (req); \	780	req_submit (req); \
742	SPAGAIN; \	781	SPAGAIN; \
743	\	782	\
744	if (GIMME_V != G_VOID) \	783	if (GIMME_V != G_VOID) \
745	XPUSHs (req_sv (req, aio_req_stash));	784	XPUSHs (req_sv (req, aio_req_stash));
746		785
		786	ecb_inline void
		787	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		788	{
		789	if (expect_false (SvROK (path)))
		790	{
		791	SV *rv = SvRV (path);
		792	SV *wdob;
		793
		794	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		795	{
		796	path = AvARRAY (rv)[1];
		797	wdob = AvARRAY (rv)[0];
		798
		799	if (SvOK (wdob))
		800	{
		801	*wd = SvAIO_WD (wdob);
		802	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		803	}
		804	else
		805	*wd = EIO_INVALID_WD;
		806	}
		807	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		808	{
		809	*wd = (aio_wd)(long)SvIVX (rv);
		810	*wdsv = SvREFCNT_inc_NN (rv);
		811	*ptr = ".";
		812	return; /* path set to "." */
		813	}
		814	else
		815	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		816	}
		817
		818	*pathsv = newSVsv (path);
		819	*ptr = SvPVbyte_nolen (*pathsv);
		820	}
		821
		822	static void ecb_noinline
		823	req_set_path1 (aio_req req, SV *path)
		824	{
		825	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		826	}
		827
		828	static void ecb_noinline
		829	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		830	{
		831	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		832
		833	switch (SvTYPE (rv))
		834	{
		835	case SVt_PVIO:
		836	case SVt_PVLV:
		837	case SVt_PVGV:
		838	req->type = type_fh;
		839	req->sv1 = newSVsv (fh_or_path);
		840	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		841	break;
		842
		843	default:
		844	req->type = type_path;
		845	req_set_path1 (req, fh_or_path);
		846	break;
		847	}
		848	}
		849
		850	XS(boot_IO__AIO) ecb_cold;
		851
747	MODULE = IO::AIO PACKAGE = IO::AIO	852	MODULE = IO::AIO PACKAGE = IO::AIO
748		853
749	PROTOTYPES: ENABLE	854	PROTOTYPES: ENABLE
750		855
751	BOOT:	856	BOOT:
…		…
755	IV iv;	860	IV iv;
756	} *civ, const_iv[] = {	861	} *civ, const_iv[] = {
757	# define const_niv(name, value) { # name, (IV) value },	862	# define const_niv(name, value) { # name, (IV) value },
758	# define const_iv(name) { # name, (IV) name },	863	# define const_iv(name) { # name, (IV) name },
759	# define const_eio(name) { # name, (IV) EIO_ ## name },	864	# define const_eio(name) { # name, (IV) EIO_ ## name },
		865
		866	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		867
		868	const_iv (ENOSYS)
760	const_iv (EXDEV)	869	const_iv (EXDEV)
761	const_iv (ENOSYS)	870	const_iv (EBADR)
		871
762	const_iv (O_RDONLY)	872	const_iv (O_RDONLY)
763	const_iv (O_WRONLY)	873	const_iv (O_WRONLY)
764	const_iv (O_RDWR)	874	const_iv (O_RDWR)
765	const_iv (O_CREAT)	875	const_iv (O_CREAT)
766	const_iv (O_TRUNC)	876	const_iv (O_TRUNC)
767	const_iv (O_EXCL)	877	const_iv (O_EXCL)
768	const_iv (O_APPEND)	878	const_iv (O_APPEND)
		879
		880	const_iv (O_ASYNC)
		881	const_iv (O_DIRECT)
		882	const_iv (O_NOATIME)
		883
		884	const_iv (O_CLOEXEC)
		885	const_iv (O_NOCTTY)
		886	const_iv (O_NOFOLLOW)
		887	const_iv (O_NONBLOCK)
		888	const_iv (O_EXEC)
		889	const_iv (O_SEARCH)
		890	const_iv (O_DIRECTORY)
		891	const_iv (O_DSYNC)
		892	const_iv (O_RSYNC)
		893	const_iv (O_SYNC)
		894	const_iv (O_TTY_INIT)
769		895
770	const_iv (S_IFIFO)	896	const_iv (S_IFIFO)
771	const_iv (S_IFCHR)	897	const_iv (S_IFCHR)
772	const_iv (S_IFBLK)	898	const_iv (S_IFBLK)
773	const_iv (S_IFLNK)	899	const_iv (S_IFLNK)
…		…
818	const_iv (MAP_LOCKED)	944	const_iv (MAP_LOCKED)
819	const_iv (MAP_NORESERVE)	945	const_iv (MAP_NORESERVE)
820	const_iv (MAP_POPULATE)	946	const_iv (MAP_POPULATE)
821	const_iv (MAP_NONBLOCK)	947	const_iv (MAP_NONBLOCK)
822		948
		949	const_iv (FIEMAP_FLAG_SYNC)
		950	const_iv (FIEMAP_FLAG_XATTR)
		951	const_iv (FIEMAP_FLAGS_COMPAT)
		952	const_iv (FIEMAP_EXTENT_LAST)
		953	const_iv (FIEMAP_EXTENT_UNKNOWN)
		954	const_iv (FIEMAP_EXTENT_DELALLOC)
		955	const_iv (FIEMAP_EXTENT_ENCODED)
		956	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		957	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		958	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		959	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		960	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		961	const_iv (FIEMAP_EXTENT_MERGED)
		962	const_iv (FIEMAP_EXTENT_SHARED)
		963
		964	const_iv (SPLICE_F_MOVE)
		965	const_iv (SPLICE_F_NONBLOCK)
		966	const_iv (SPLICE_F_MORE)
		967	const_iv (SPLICE_F_GIFT)
		968
		969	const_iv (SEEK_DATA)
		970	const_iv (SEEK_HOLE)
		971
		972	/* libeio constants */
		973	const_eio (SEEK_SET)
		974	const_eio (SEEK_CUR)
		975	const_eio (SEEK_END)
		976
823	const_eio (MCL_FUTURE)	977	const_eio (MCL_FUTURE)
824	const_eio (MCL_CURRENT)	978	const_eio (MCL_CURRENT)
825		979
826	const_eio (MS_ASYNC)	980	const_eio (MS_ASYNC)
827	const_eio (MS_INVALIDATE)	981	const_eio (MS_INVALIDATE)
…		…
830	const_eio (MT_MODIFY)	984	const_eio (MT_MODIFY)
831		985
832	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	986	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
833	const_eio (SYNC_FILE_RANGE_WRITE)	987	const_eio (SYNC_FILE_RANGE_WRITE)
834	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	988	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		989
		990	const_eio (FALLOC_FL_KEEP_SIZE)
		991	const_eio (FALLOC_FL_PUNCH_HOLE)
835		992
836	const_eio (READDIR_DENTS)	993	const_eio (READDIR_DENTS)
837	const_eio (READDIR_DIRS_FIRST)	994	const_eio (READDIR_DIRS_FIRST)
838	const_eio (READDIR_STAT_ORDER)	995	const_eio (READDIR_STAT_ORDER)
839	const_eio (READDIR_FOUND_UNKNOWN)	996	const_eio (READDIR_FOUND_UNKNOWN)
…		…
850	};	1007	};
851		1008
852	aio_stash = gv_stashpv ("IO::AIO" , 1);	1009	aio_stash = gv_stashpv ("IO::AIO" , 1);
853	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1010	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
854	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1011	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1012	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
855		1013
856	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1014	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
857	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1015	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
858		1016
859	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1017	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860		1018
861	create_respipe ();	1019	reinit ();
862
863	if (eio_init (want_poll, done_poll) < 0)
864	croak ("IO::AIO: unable to initialise eio library");
865
866	/* atfork child called in fifo order, so before eio's handler */
867	X_THREAD_ATFORK (0, 0, atfork_child);
868	}	1020	}
		1021
		1022	void
		1023	reinit ()
		1024	PROTOTYPE:
869		1025
870	void	1026	void
871	max_poll_reqs (unsigned int nreqs)	1027	max_poll_reqs (unsigned int nreqs)
872	PROTOTYPE: $	1028	PROTOTYPE: $
873	CODE:	1029	CODE:
…		…
908	PROTOTYPE: $	1064	PROTOTYPE: $
909	CODE:	1065	CODE:
910	max_outstanding = maxreqs;	1066	max_outstanding = maxreqs;
911		1067
912	void	1068	void
		1069	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1070	PPCODE:
		1071	{
		1072	dREQ;
		1073
		1074	req->type = EIO_WD_OPEN;
		1075	req_set_path1 (req, pathname);
		1076
		1077	REQ_SEND;
		1078	}
		1079
		1080	void
913	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1081	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
914	PPCODE:	1082	PPCODE:
915	{	1083	{
916	dREQ;	1084	dREQ;
917		1085
918	req->type = EIO_OPEN;	1086	req->type = EIO_OPEN;
919	req->sv1 = newSVsv (pathname);	1087	req_set_path1 (req, pathname);
920	req->ptr1 = SvPVbyte_nolen (req->sv1);
921	req->int1 = flags;	1088	req->int1 = flags;
922	req->int2 = mode;	1089	req->int2 = mode;
923		1090
924	REQ_SEND;	1091	REQ_SEND;
925	}	1092	}
…		…
927	void	1094	void
928	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1095	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
929	ALIAS:	1096	ALIAS:
930	aio_fsync = EIO_FSYNC	1097	aio_fsync = EIO_FSYNC
931	aio_fdatasync = EIO_FDATASYNC	1098	aio_fdatasync = EIO_FDATASYNC
		1099	aio_syncfs = EIO_SYNCFS
932	PPCODE:	1100	PPCODE:
933	{	1101	{
934	int fd = s_fileno_croak (fh, 0);	1102	int fd = s_fileno_croak (fh, 0);
935	dREQ;	1103	dREQ;
936		1104
937	req->type = ix;	1105	req->type = ix;
938	req->sv1 = newSVsv (fh);	1106	req->sv1 = newSVsv (fh);
939	req->int1 = fd;	1107	req->int1 = fd;
940		1108
941	REQ_SEND (req);	1109	REQ_SEND;
942	}	1110	}
943		1111
944	void	1112	void
945	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1113	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
946	PPCODE:	1114	PPCODE:
…		…
953	req->int1 = fd;	1121	req->int1 = fd;
954	req->offs = offset;	1122	req->offs = offset;
955	req->size = nbytes;	1123	req->size = nbytes;
956	req->int2 = flags;	1124	req->int2 = flags;
957		1125
958	REQ_SEND (req);	1126	REQ_SEND;
		1127	}
		1128
		1129	void
		1130	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1131	PPCODE:
		1132	{
		1133	int fd = s_fileno_croak (fh, 0);
		1134	dREQ;
		1135
		1136	req->type = EIO_FALLOCATE;
		1137	req->sv1 = newSVsv (fh);
		1138	req->int1 = fd;
		1139	req->int2 = mode;
		1140	req->offs = offset;
		1141	req->size = len;
		1142
		1143	REQ_SEND;
959	}	1144	}
960		1145
961	void	1146	void
962	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1147	aio_close (SV *fh, SV *callback=&PL_sv_undef)
963	PPCODE:	1148	PPCODE:
964	{	1149	{
965	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1150	static int close_fd = -1; /* dummy fd to close fds via dup2 */
966	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
967	dREQ;	1152	dREQ;
968		1153
969	if (close_pipe < 0)	1154	if (expect_false (close_fd < 0))
970	{	1155	{
971	int pipefd [2];	1156	int pipefd [2];
972		1157
		1158	if (
		1159	#ifdef _WIN32
		1160	_pipe (pipefd, 1, _O_BINARY) < 0
		1161	#else
973	if (pipe (pipefd) < 0	1162	pipe (pipefd) < 0
974	|| close (pipefd [1]) < 0
975	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1163	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1164	#endif
		1165	|| close (pipefd [1]) < 0
		1166	)
976	abort (); /*D*/	1167	abort (); /*D*/
977		1168
978	close_pipe = pipefd [0];	1169	close_fd = pipefd [0];
979	}	1170	}
980		1171
981	req->type = EIO_DUP2;	1172	req->type = EIO_DUP2;
982	req->int1 = close_pipe;	1173	req->int1 = close_fd;
983	req->sv2 = newSVsv (fh);	1174	req->sv2 = newSVsv (fh);
984	req->int2 = fd;	1175	req->int2 = fd;
985		1176
986	REQ_SEND (req);	1177	REQ_SEND;
		1178	}
		1179
		1180	void
		1181	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1182	PPCODE:
		1183	{
		1184	int fd = s_fileno_croak (fh, 0);
		1185	dREQ;
		1186
		1187	req->type = EIO_SEEK;
		1188	req->sv1 = newSVsv (fh);
		1189	req->int1 = fd;
		1190	req->offs = SvVAL64 (offset);
		1191	req->int2 = whence;
		1192
		1193	REQ_SEND;
987	}	1194	}
988		1195
989	void	1196	void
990	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1197	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
991	ALIAS:	1198	ALIAS:
…		…
1012	}	1219	}
1013	else	1220	else
1014	{	1221	{
1015	/* read: check type and grow scalar as necessary */	1222	/* read: check type and grow scalar as necessary */
1016	SvUPGRADE (data, SVt_PV);	1223	SvUPGRADE (data, SVt_PV);
		1224	if (SvLEN (data) >= SvCUR (data))
1017	svptr = SvGROW (data, len + dataoffset + 1);	1225	svptr = SvGROW (data, len + dataoffset + 1);
		1226	else if (SvCUR (data) < len + dataoffset)
		1227	croak ("length + dataoffset outside of scalar, and cannot grow");
1018	}	1228	}
1019		1229
1020	{	1230	{
1021	dREQ;	1231	dREQ;
1022		1232
…		…
1038	REQ_SEND;	1248	REQ_SEND;
1039	}	1249	}
1040	}	1250	}
1041		1251
1042	void	1252	void
1043	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1253	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
		1254	ALIAS:
		1255	aio_readlink = EIO_READLINK
		1256	aio_realpath = EIO_REALPATH
1044	PPCODE:	1257	PPCODE:
1045	{	1258	{
1046	SV *data;
1047	dREQ;	1259	dREQ;
1048		1260
1049	req->type = EIO_READLINK;	1261	req->type = ix;
1050	req->sv1 = newSVsv (path);	1262	req_set_path1 (req, pathname);
1051	req->ptr1 = SvPVbyte_nolen (req->sv1);
1052		1263
1053	REQ_SEND;	1264	REQ_SEND;
1054	}	1265	}
1055		1266
1056	void	1267	void
…		…
1096	aio_statvfs = EIO_STATVFS	1307	aio_statvfs = EIO_STATVFS
1097	PPCODE:	1308	PPCODE:
1098	{	1309	{
1099	dREQ;	1310	dREQ;
1100		1311
1101	req->sv1 = newSVsv (fh_or_path);	1312	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1102
1103	if (SvPOK (req->sv1))
1104	{
1105	req->type = ix;
1106	req->ptr1 = SvPVbyte_nolen (req->sv1);
1107	}
1108	else
1109	{
1110	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1111	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1112	}
1113		1313
1114	REQ_SEND;	1314	REQ_SEND;
1115	}	1315	}
1116		1316
1117	UV	1317	UV
…		…
1136	{	1336	{
1137	dREQ;	1337	dREQ;
1138		1338
1139	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1339	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1140	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1340	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1141	req->sv1 = newSVsv (fh_or_path);	1341	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1142
1143	if (SvPOK (req->sv1))
1144	{
1145	req->type = EIO_UTIME;
1146	req->ptr1 = SvPVbyte_nolen (req->sv1);
1147	}
1148	else
1149	{
1150	req->type = EIO_FUTIME;
1151	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1152	}
1153		1342
1154	REQ_SEND;	1343	REQ_SEND;
1155	}	1344	}
1156		1345
1157	void	1346	void
1158	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1347	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1159	PPCODE:	1348	PPCODE:
1160	{	1349	{
1161	dREQ;	1350	dREQ;
1162		1351
1163	req->sv1 = newSVsv (fh_or_path);
1164	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1352	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1165		1353	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1166	if (SvPOK (req->sv1))
1167	{
1168	req->type = EIO_TRUNCATE;
1169	req->ptr1 = SvPVbyte_nolen (req->sv1);
1170	}
1171	else
1172	{
1173	req->type = EIO_FTRUNCATE;
1174	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1175	}
1176		1354
1177	REQ_SEND;	1355	REQ_SEND;
1178	}	1356	}
1179		1357
1180	void	1358	void
1181	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1359	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1182	ALIAS:
1183	aio_chmod = EIO_CHMOD
1184	aio_mkdir = EIO_MKDIR
1185	PPCODE:	1360	PPCODE:
1186	{	1361	{
1187	dREQ;	1362	dREQ;
1188		1363
1189	req->int2 = mode;	1364	req->int2 = mode;
1190	req->sv1 = newSVsv (fh_or_path);	1365	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1191
1192	if (SvPOK (req->sv1))
1193	{
1194	req->type = ix;
1195	req->ptr1 = SvPVbyte_nolen (req->sv1);
1196	}
1197	else
1198	{
1199	req->type = EIO_FCHMOD;
1200	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201	}
1202		1366
1203	REQ_SEND;	1367	REQ_SEND;
1204	}	1368	}
1205		1369
1206	void	1370	void
…		…
1209	{	1373	{
1210	dREQ;	1374	dREQ;
1211		1375
1212	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1376	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1213	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1377	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1214	req->sv1 = newSVsv (fh_or_path);	1378	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1215
1216	if (SvPOK (req->sv1))
1217	{
1218	req->type = EIO_CHOWN;
1219	req->ptr1 = SvPVbyte_nolen (req->sv1);
1220	}
1221	else
1222	{
1223	req->type = EIO_FCHOWN;
1224	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1225	}
1226		1379
1227	REQ_SEND;	1380	REQ_SEND;
1228	}	1381	}
1229		1382
1230	void	1383	void
…		…
1232	PPCODE:	1385	PPCODE:
1233	{	1386	{
1234	dREQ;	1387	dREQ;
1235		1388
1236	req->type = EIO_READDIR;	1389	req->type = EIO_READDIR;
1237	req->sv1 = newSVsv (pathname);
1238	req->ptr1 = SvPVbyte_nolen (req->sv1);
1239	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1390	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1240		1391
1241	if (flags & EIO_READDIR_DENTS)	1392	if (flags & EIO_READDIR_DENTS)
1242	req->int1 |= EIO_READDIR_CUSTOM2;	1393	req->int1 |= EIO_READDIR_CUSTOM2;
1243		1394
		1395	req_set_path1 (req, pathname);
		1396
1244	REQ_SEND;	1397	REQ_SEND;
		1398	}
		1399
		1400	void
		1401	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1402	PPCODE:
		1403	{
		1404	dREQ;
		1405
		1406	req->type = EIO_MKDIR;
		1407	req->int2 = mode;
		1408	req_set_path1 (req, pathname);
		1409
		1410	REQ_SEND;
1245	}	1411	}
1246		1412
1247	void	1413	void
1248	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1414	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1249	ALIAS:	1415	ALIAS:
…		…
1253	PPCODE:	1419	PPCODE:
1254	{	1420	{
1255	dREQ;	1421	dREQ;
1256		1422
1257	req->type = ix;	1423	req->type = ix;
1258	req->sv1 = newSVsv (pathname);	1424	req_set_path1 (req, pathname);
1259	req->ptr1 = SvPVbyte_nolen (req->sv1);
1260		1425
1261	REQ_SEND;	1426	REQ_SEND;
1262	}	1427	}
1263		1428
1264	void	1429	void
…		…
1267	aio_link = EIO_LINK	1432	aio_link = EIO_LINK
1268	aio_symlink = EIO_SYMLINK	1433	aio_symlink = EIO_SYMLINK
1269	aio_rename = EIO_RENAME	1434	aio_rename = EIO_RENAME
1270	PPCODE:	1435	PPCODE:
1271	{	1436	{
		1437	eio_wd wd2 = 0;
1272	dREQ;	1438	dREQ;
1273		1439
1274	req->type = ix;	1440	req->type = ix;
1275	req->sv1 = newSVsv (oldpath);	1441	req_set_path1 (req, oldpath);
1276	req->ptr1 = SvPVbyte_nolen (req->sv1);	1442	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1277	req->sv2 = newSVsv (newpath);	1443	req->int3 = (long)wd2;
1278	req->ptr2 = SvPVbyte_nolen (req->sv2);
1279		1444
1280	REQ_SEND;	1445	REQ_SEND;
1281	}	1446	}
1282		1447
1283	void	1448	void
…		…
1285	PPCODE:	1450	PPCODE:
1286	{	1451	{
1287	dREQ;	1452	dREQ;
1288		1453
1289	req->type = EIO_MKNOD;	1454	req->type = EIO_MKNOD;
1290	req->sv1 = newSVsv (pathname);
1291	req->ptr1 = SvPVbyte_nolen (req->sv1);
1292	req->int2 = (mode_t)mode;	1455	req->int2 = (mode_t)mode;
1293	req->offs = dev;	1456	req->offs = dev;
		1457	req_set_path1 (req, pathname);
1294		1458
1295	REQ_SEND;	1459	REQ_SEND;
1296	}	1460	}
1297		1461
1298	void	1462	void
…		…
1365		1529
1366	req->type = EIO_MLOCKALL;	1530	req->type = EIO_MLOCKALL;
1367	req->int1 = flags;	1531	req->int1 = flags;
1368		1532
1369	REQ_SEND;	1533	REQ_SEND;
		1534	}
		1535
		1536	void
		1537	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1538	PPCODE:
		1539	{
		1540	int fd = s_fileno_croak (fh, 0);
		1541	dREQ;
		1542
		1543	req->type = EIO_CUSTOM;
		1544	req->sv1 = newSVsv (fh);
		1545	req->int1 = fd;
		1546
		1547	req->feed = fiemap;
		1548	#if HAVE_FIEMAP
		1549	/* keep our fingers crossed that the next two types are 64 bit */
		1550	req->offs = start;
		1551	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1552	req->int2 = flags;
		1553	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1554	#endif
		1555
		1556	REQ_SEND;
1370	}	1557	}
1371		1558
1372	void	1559	void
1373	aio_busy (double delay, SV *callback=&PL_sv_undef)	1560	aio_busy (double delay, SV *callback=&PL_sv_undef)
1374	PPCODE:	1561	PPCODE:
…		…
1498	CODE:	1685	CODE:
1499	RETVAL = posix_fadvise (fh, offset, length, advice);	1686	RETVAL = posix_fadvise (fh, offset, length, advice);
1500	OUTPUT:	1687	OUTPUT:
1501	RETVAL	1688	RETVAL
1502		1689
1503	ssize_t	1690	IV
1504	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1691	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1505	CODE:	1692	CODE:
1506	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1693	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1507	OUTPUT:	1694	OUTPUT:
1508	RETVAL	1695	RETVAL
1509		1696
1510	void	1697	void
1511	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1698	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1512	PPCODE:	1699	PPCODE:
1513	sv_unmagic (scalar, MMAP_MAGIC);	1700	sv_unmagic (scalar, MMAP_MAGIC);
1514	{	1701	{
1515	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1702	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1516	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1703	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1549	ALIAS:	1736	ALIAS:
1550	mprotect = 1	1737	mprotect = 1
1551	CODE:	1738	CODE:
1552	{	1739	{
1553	STRLEN svlen;	1740	STRLEN svlen;
1554	void *addr = SvPVbyte (scalar, svlen);	1741	void *addr = SvPVbyte (scalar, svlen);
1555	size_t len = SvUV (length);	1742	size_t len = SvUV (length);
1556		1743
1557	if (offset < 0)	1744	if (offset < 0)
1558	offset += svlen;	1745	offset += svlen;
1559		1746
…		…
1595	addr = (void *)(((intptr_t)addr) + offset);	1782	addr = (void *)(((intptr_t)addr) + offset);
1596	eio_page_align (&addr, &len);	1783	eio_page_align (&addr, &len);
1597	#if _POSIX_MEMLOCK_RANGE	1784	#if _POSIX_MEMLOCK_RANGE
1598	RETVAL = munlock (addr, len);	1785	RETVAL = munlock (addr, len);
1599	#else	1786	#else
1600	RETVAL = ((errno = ENOSYS), -1);	1787	RETVAL = EIO_ENOSYS ();
1601	#endif	1788	#endif
1602	}	1789	}
1603	OUTPUT:	1790	OUTPUT:
1604	RETVAL	1791	RETVAL
1605		1792
…		…
1607	munlockall ()	1794	munlockall ()
1608	CODE:	1795	CODE:
1609	#if _POSIX_MEMLOCK	1796	#if _POSIX_MEMLOCK
1610	munlockall ();	1797	munlockall ();
1611	#else	1798	#else
1612	RETVAL = -1;	1799	RETVAL = EIO_ENOSYS ();
1613	errno = ENOSYS;
1614	#endif	1800	#endif
1615	OUTPUT:	1801	OUTPUT:
		1802	RETVAL
		1803
		1804	int
		1805	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1806	CODE:
		1807	{
		1808	#if HAVE_LINUX_SPLICE
		1809	loff_t off_in_, off_out_;
		1810	RETVAL = splice (
		1811	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1812	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1813	length, flags
		1814	);
		1815	#else
		1816	RETVAL = EIO_ENOSYS ();
		1817	#endif
		1818	}
		1819	OUTPUT:
		1820	RETVAL
		1821
		1822	int
		1823	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1824	CODE:
		1825	#if HAVE_LINUX_SPLICE
		1826	RETVAL = tee (rfh, wfh, length, flags);
		1827	#else
		1828	RETVAL = EIO_ENOSYS ();
		1829	#endif
		1830	OUTPUT:
1616	RETVAL	1831	RETVAL
1617		1832
1618	void _on_next_submit (SV *cb)	1833	void _on_next_submit (SV *cb)
1619	CODE:	1834	CODE:
1620	SvREFCNT_dec (on_next_submit);	1835	SvREFCNT_dec (on_next_submit);
1621	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1836	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1622		1837
1623	PROTOTYPES: DISABLE	1838	PROTOTYPES: DISABLE
1624		1839
		1840	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1841
		1842	BOOT:
		1843	{
		1844	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1845	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1846	}
		1847
		1848	void
		1849	DESTROY (SV *self)
		1850	CODE:
		1851	{
		1852	aio_wd wd = SvAIO_WD (self);
		1853	#if HAVE_AT
		1854	{
		1855	SV *callback = &PL_sv_undef;
		1856	dREQ; /* clobbers next_pri :/ */
		1857	next_pri = req->pri; /* restore next_pri */
		1858	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1859	req->type = EIO_WD_CLOSE;
		1860	req->wd = wd;
		1861	REQ_SEND;
		1862	}
		1863	#else
		1864	eio_wd_close_sync (wd);
		1865	#endif
		1866	}
		1867
1625	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1868	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1626		1869
1627	void	1870	void
1628	cancel (aio_req_ornot req)	1871	cancel (aio_req_ornot req)
1629	CODE:	1872	CODE:

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