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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 1.215 by root, Sun Jun 17 17:07:25 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 64 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 maybe 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_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
		200	break; /* autosizing successful, we are done */
		201
		202	fiemap->fm_flags = req->int2;
		203	fiemap->fm_extent_count = 0;
		204
		205	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		206	return;
		207
		208	count = fiemap->fm_mapped_extents;
		209
		210	free (fiemap);
		211	}
		212
		213	req->result = 0;
		214
		215	#else
		216	errno = ENOSYS;
		217	#endif
		218	}
		219
		220	/*****************************************************************************/
279		221
280	enum {	222	enum {
281	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	223	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
282	};	224	};
283		225
284	#include "libeio/eio.c"
285
286	typedef eio_req *aio_req;	226	typedef eio_req *aio_req;
287	typedef eio_req *aio_req_ornot;	227	typedef eio_req *aio_req_ornot;
		228	typedef eio_wd aio_wd;
288		229
289	static SV *on_next_submit;	230	static SV *on_next_submit;
290	static int next_pri = EIO_PRI_DEFAULT;	231	static int next_pri = EIO_PRI_DEFAULT;
291	static int max_outstanding;	232	static int max_outstanding;
292		233
293	static s_epipe respipe;	234	static s_epipe respipe;
294		235
295	static void req_destroy (aio_req req);	236	static void req_destroy (aio_req req);
296	static void req_cancel (aio_req req);	237	static void req_cancel (aio_req req);
297		238
298	static void want_poll (void)	239	static void
		240	want_poll (void)
299	{	241	{
300	/* write a dummy byte to the pipe so fh becomes ready */	242	/* write a dummy byte to the pipe so fh becomes ready */
301	s_epipe_signal (&respipe);	243	s_epipe_signal (&respipe);
302	}	244	}
303		245
304	static void done_poll (void)	246	static void
		247	done_poll (void)
305	{	248	{
306	/* read any signals sent by the worker threads */	249	/* read any signals sent by the worker threads */
307	s_epipe_drain (&respipe);	250	s_epipe_drain (&respipe);
308	}	251	}
309		252
310	/* must be called at most once */	253	/* must be called at most once */
		254	static SV *
311	static SV *req_sv (aio_req req, HV *stash)	255	req_sv (aio_req req, HV *stash)
312	{	256	{
313	if (!req->self)	257	if (!req->self)
314	{	258	{
315	req->self = (SV *)newHV ();	259	req->self = (SV *)newHV ();
316	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	260	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
317	}	261	}
318		262
319	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	263	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
320	}	264	}
321		265
322	static aio_req SvAIO_REQ (SV *sv)	266	static SV *
		267	newSVaio_wd (aio_wd wd)
		268	{
		269	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		270	}
		271
		272	static aio_req
		273	SvAIO_REQ (SV *sv)
323	{	274	{
324	MAGIC *mg;	275	MAGIC *mg;
325		276
326	if (!SvROK (sv)	277	if (!SvROK (sv)
		278	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
327	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	279	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
328	&& SvSTASH (SvRV (sv)) != aio_req_stash	280	&& SvSTASH (SvRV (sv)) != aio_req_stash
329	&& !sv_derived_from (sv, "IO::AIO::REQ")))	281	&& !sv_derived_from (sv, "IO::AIO::REQ")))
330	croak ("object of class IO::AIO::REQ expected");	282	croak ("object of class IO::AIO::REQ expected");
331		283
332	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
333		285
334	return mg ? (aio_req)mg->mg_ptr : 0;	286	return mg ? (aio_req)mg->mg_ptr : 0;
335	}	287	}
336		288
		289	static aio_wd
		290	SvAIO_WD (SV *sv)
		291	{
		292	if (!SvROK (sv)
		293	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		294	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		295	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		296
		297	return (aio_wd)(long)SvIVX (SvRV (sv));
		298	}
		299
		300	static void
337	static void aio_grp_feed (aio_req grp)	301	aio_grp_feed (aio_req grp)
338	{	302	{
339	if (grp->sv2 && SvOK (grp->sv2))	303	if (grp->sv2 && SvOK (grp->sv2))
340	{	304	{
341	dSP;	305	dSP;
342		306
…		…
350	FREETMPS;	314	FREETMPS;
351	LEAVE;	315	LEAVE;
352	}	316	}
353	}	317	}
354		318
		319	static void
355	static void req_submit (eio_req *req)	320	req_submit (eio_req *req)
356	{	321	{
357	eio_submit (req);	322	eio_submit (req);
358		323
359	if (expect_false (on_next_submit))	324	if (expect_false (on_next_submit))
360	{	325	{
…		…
367	PUTBACK;	332	PUTBACK;
368	call_sv (cb, G_DISCARD | G_EVAL);	333	call_sv (cb, G_DISCARD | G_EVAL);
369	}	334	}
370	}	335	}
371		336
		337	static int
372	static int req_invoke (eio_req *req)	338	req_invoke (eio_req *req)
373	{	339	{
374	if (req->flags & FLAG_SV2_RO_OFF)	340	if (req->flags & FLAG_SV2_RO_OFF)
375	SvREADONLY_off (req->sv2);	341	SvREADONLY_off (req->sv2);
376		342
377	if (!EIO_CANCELLED (req) && req->callback)	343	if (!EIO_CANCELLED (req) && req->callback)
…		…
398	SvREADONLY_on (sv_result);	364	SvREADONLY_on (sv_result);
399	}	365	}
400		366
401	switch (req->type)	367	switch (req->type)
402	{	368	{
		369	case EIO_WD_OPEN:
		370	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		371	break;
		372
403	case EIO_READDIR:	373	case EIO_READDIR:
404	{	374	{
405	SV *rv = &PL_sv_undef;	375	SV *rv = &PL_sv_undef;
406		376
407	if (req->result >= 0)	377	if (req->result >= 0)
…		…
495	case EIO_STATVFS:	465	case EIO_STATVFS:
496	case EIO_FSTATVFS:	466	case EIO_FSTATVFS:
497	{	467	{
498	SV *rv = &PL_sv_undef;	468	SV *rv = &PL_sv_undef;
499		469
		470	#ifndef _WIN32
500	if (req->result >= 0)	471	if (req->result >= 0)
501	{	472	{
502	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	473	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503	HV *hv = newHV ();	474	HV *hv = newHV ();
504		475
…		…
514	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	485	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);	486	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);	487	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);	488	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518	}	489	}
		490	#endif
519		491
520	PUSHs (rv);	492	PUSHs (rv);
521	}	493	}
522		494
523	break;	495	break;
…		…
539	case EIO_NOP:	511	case EIO_NOP:
540	case EIO_BUSY:	512	case EIO_BUSY:
541	break;	513	break;
542		514
543	case EIO_READLINK:	515	case EIO_READLINK:
		516	case EIO_REALPATH:
544	if (req->result > 0)	517	if (req->result > 0)
545	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	518	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
546	break;	519	break;
547		520
548	case EIO_STAT:	521	case EIO_STAT:
549	case EIO_LSTAT:	522	case EIO_LSTAT:
550	case EIO_FSTAT:	523	case EIO_FSTAT:
551	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	524	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		525
552	PL_laststatval = req->result;	526	if (!(PL_laststatval = req->result))
		527	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
553	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	528	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		529
554	PUSHs (sv_result);	530	PUSHs (sv_result);
		531	break;
		532
		533	case EIO_SEEK:
		534	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
555	break;	535	break;
556		536
557	case EIO_READ:	537	case EIO_READ:
558	{	538	{
559	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	539	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
562	SvSETMAGIC (req->sv2);	542	SvSETMAGIC (req->sv2);
563	PUSHs (sv_result);	543	PUSHs (sv_result);
564	}	544	}
565	break;	545	break;
566		546
		547	case EIO_CUSTOM:
		548	if (req->feed == fiemap)
		549	{
		550	#if HAVE_FIEMAP
		551	if (!req->result)
		552	{
		553	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		554
		555	if (fiemap->fm_extent_count)
		556	{
		557	AV *av = newAV ();
		558	int i;
		559
		560	while (fiemap->fm_mapped_extents)
		561	{
		562	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		563	AV *ext_av = newAV ();
		564
		565	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		566	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		567	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		568	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		569
		570	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		571	}
		572
		573	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		574	}
		575	else
		576	{
		577	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		578	PUSHs (sv_result);
		579	}
		580	}
		581	#endif
		582	}
		583	else
		584	PUSHs (sv_result);
		585	break;
		586
567	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	587	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
568	if (req->result > 0)	588	if (req->result > 0)
569	SvIV_set (sv_result, 0);	589	SvIV_set (sv_result, 0);
570	/* FALLTHROUGH */	590	/* FALLTHROUGH */
571		591
…		…
592	}	612	}
593		613
594	return !!SvTRUE (ERRSV);	614	return !!SvTRUE (ERRSV);
595	}	615	}
596		616
		617	static void
597	static void req_destroy (aio_req req)	618	req_destroy (aio_req req)
598	{	619	{
599	if (req->self)	620	if (req->self)
600	{	621	{
601	sv_unmagic (req->self, PERL_MAGIC_ext);	622	sv_unmagic (req->self, PERL_MAGIC_ext);
602	SvREFCNT_dec (req->self);	623	SvREFCNT_dec (req->self);
603	}	624	}
604		625
605	SvREFCNT_dec (req->sv1);	626	SvREFCNT_dec (req->sv1);
606	SvREFCNT_dec (req->sv2);	627	SvREFCNT_dec (req->sv2);
		628	SvREFCNT_dec (req->sv3);
		629	SvREFCNT_dec (req->sv4);
607	SvREFCNT_dec (req->callback);	630	SvREFCNT_dec (req->callback);
608		631
609	Safefree (req);	632	free (req);
610	}	633	}
611		634
		635	static void
612	static void req_cancel_subs (aio_req grp)	636	req_cancel_subs (aio_req grp)
613	{	637	{
614	aio_req sub;
615
616	if (grp->type != EIO_GROUP)	638	if (grp->type != EIO_GROUP)
617	return;	639	return;
618		640
619	SvREFCNT_dec (grp->sv2);	641	SvREFCNT_dec (grp->sv2);
620	grp->sv2 = 0;	642	grp->sv2 = 0;
621		643
622	eio_grp_cancel (grp);	644	eio_grp_cancel (grp);
623	}	645	}
624		646
625	static void	647	static void ecb_cold
626	create_respipe (void)	648	create_respipe (void)
627	{	649	{
628	if (s_epipe_renew (&respipe))	650	if (s_epipe_renew (&respipe))
629	croak ("IO::AIO: unable to initialize result pipe");	651	croak ("IO::AIO: unable to initialize result pipe");
630	}	652	}
631		653
632	static void poll_wait (void)	654	static void
		655	poll_wait (void)
633	{	656	{
634	while (eio_nreqs ())	657	while (eio_nreqs ())
635	{	658	{
636	int size;	659	int size;
637		660
…		…
646		669
647	s_epipe_wait (&respipe);	670	s_epipe_wait (&respipe);
648	}	671	}
649	}	672	}
650		673
651	static int poll_cb (void)	674	static int
		675	poll_cb (void)
652	{	676	{
653	for (;;)	677	for (;;)
654	{	678	{
655	int res = eio_poll ();	679	int res = eio_poll ();
656		680
…		…
662		686
663	poll_wait ();	687	poll_wait ();
664	}	688	}
665	}	689	}
666		690
667	static void atfork_child (void)	691	static void ecb_cold
		692	reinit (void)
668	{	693	{
669	create_respipe ();	694	create_respipe ();
		695
		696	if (eio_init (want_poll, done_poll) < 0)
		697	croak ("IO::AIO: unable to initialise eio library");
670	}	698	}
671		699
672	/*****************************************************************************/	700	/*****************************************************************************/
673		701
674	#if !_POSIX_MAPPED_FILES	702	#if !_POSIX_MAPPED_FILES
675	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	703	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
676	# define munmap(addr,length) (errno = ENOSYS, -1)	704	# define munmap(addr,length) EIO_ENOSYS ()
677	#endif	705	#endif
678		706
679	#if !_POSIX_MEMORY_PROTECTION	707	#if !_POSIX_MEMORY_PROTECTION
680	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	708	# define mprotect(addr,len,prot) EIO_ENOSYS ()
681	# define PROT_NONE 0	709	# define PROT_NONE 0
682	# define PROT_WRITE 0	710	# define PROT_WRITE 0
683	# define MAP_PRIVATE 0	711	# define MAP_PRIVATE 0
684	# define MAP_SHARED 0	712	# define MAP_SHARED 0
685	# define MAP_FIXED 0	713	# define MAP_FIXED 0
686	#endif	714	#endif
687		715
688	#define MMAP_MAGIC PERL_MAGIC_ext	716	#define MMAP_MAGIC PERL_MAGIC_ext
689		717
690	static int	718	static int ecb_cold
691	mmap_free (pTHX_ SV *sv, MAGIC *mg)	719	mmap_free (pTHX_ SV *sv, MAGIC *mg)
692	{	720	{
693	int old_errno = errno;	721	int old_errno = errno;
694	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	722	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695	errno = old_errno;	723	errno = old_errno;
…		…
719	{	747	{
720	SvGETMAGIC (cb_sv);	748	SvGETMAGIC (cb_sv);
721	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	749	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
722	}	750	}
723		751
		752	static aio_req ecb_noinline
		753	dreq (SV *callback)
		754	{
		755	SV *cb_cv;
		756	aio_req req;
		757	int req_pri = next_pri;
		758	next_pri = EIO_PRI_DEFAULT;
		759
		760	cb_cv = get_cb (callback);
		761
		762	req = calloc (sizeof (*req), 1);
		763	if (!req)
		764	croak ("out of memory during eio_req allocation");
		765
		766	req->callback = SvREFCNT_inc (cb_cv);
		767	req->pri = req_pri;
		768
		769	return req;
		770	}
		771
724	#define dREQ \	772	#define dREQ \
725	SV *cb_cv; \	773	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		774
739	#define REQ_SEND \	775	#define REQ_SEND \
740	PUTBACK; \	776	PUTBACK; \
741	req_submit (req); \	777	req_submit (req); \
742	SPAGAIN; \	778	SPAGAIN; \
743	\	779	\
744	if (GIMME_V != G_VOID) \	780	if (GIMME_V != G_VOID) \
745	XPUSHs (req_sv (req, aio_req_stash));	781	XPUSHs (req_sv (req, aio_req_stash));
746		782
		783	ecb_inline void
		784	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		785	{
		786	if (expect_false (SvROK (path)))
		787	{
		788	SV *rv = SvRV (path);
		789	SV *wdob;
		790
		791	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		792	{
		793	path = AvARRAY (rv)[1];
		794	wdob = AvARRAY (rv)[0];
		795
		796	if (SvOK (wdob))
		797	{
		798	*wd = SvAIO_WD (wdob);
		799	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		800	}
		801	else
		802	*wd = EIO_INVALID_WD;
		803	}
		804	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		805	{
		806	*wd = (aio_wd)(long)SvIVX (rv);
		807	*wdsv = SvREFCNT_inc_NN (rv);
		808	*ptr = ".";
		809	return; /* path set to "." */
		810	}
		811	else
		812	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		813	}
		814
		815	*pathsv = newSVsv (path);
		816	*ptr = SvPVbyte_nolen (*pathsv);
		817	}
		818
		819	static void ecb_noinline
		820	req_set_path1 (aio_req req, SV *path)
		821	{
		822	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		823	}
		824
		825	static void ecb_noinline
		826	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		827	{
		828	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		829
		830	switch (SvTYPE (rv))
		831	{
		832	case SVt_PVIO:
		833	case SVt_PVLV:
		834	case SVt_PVGV:
		835	req->type = type_fh;
		836	req->sv1 = newSVsv (fh_or_path);
		837	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		838	break;
		839
		840	default:
		841	req->type = type_path;
		842	req_set_path1 (req, fh_or_path);
		843	break;
		844	}
		845	}
		846
		847	XS(boot_IO__AIO) ecb_cold;
		848
747	MODULE = IO::AIO PACKAGE = IO::AIO	849	MODULE = IO::AIO PACKAGE = IO::AIO
748		850
749	PROTOTYPES: ENABLE	851	PROTOTYPES: ENABLE
750		852
751	BOOT:	853	BOOT:
…		…
755	IV iv;	857	IV iv;
756	} *civ, const_iv[] = {	858	} *civ, const_iv[] = {
757	# define const_niv(name, value) { # name, (IV) value },	859	# define const_niv(name, value) { # name, (IV) value },
758	# define const_iv(name) { # name, (IV) name },	860	# define const_iv(name) { # name, (IV) name },
759	# define const_eio(name) { # name, (IV) EIO_ ## name },	861	# define const_eio(name) { # name, (IV) EIO_ ## name },
		862
		863	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		864
		865	const_iv (ENOSYS)
760	const_iv (EXDEV)	866	const_iv (EXDEV)
761	const_iv (ENOSYS)	867	const_iv (EBADR)
		868
762	const_iv (O_RDONLY)	869	const_iv (O_RDONLY)
763	const_iv (O_WRONLY)	870	const_iv (O_WRONLY)
764	const_iv (O_RDWR)	871	const_iv (O_RDWR)
765	const_iv (O_CREAT)	872	const_iv (O_CREAT)
766	const_iv (O_TRUNC)	873	const_iv (O_TRUNC)
767	const_iv (O_EXCL)	874	const_iv (O_EXCL)
768	const_iv (O_APPEND)	875	const_iv (O_APPEND)
		876
		877	const_iv (O_ASYNC)
		878	const_iv (O_DIRECT)
		879	const_iv (O_NOATIME)
		880
		881	const_iv (O_CLOEXEC)
		882	const_iv (O_NOCTTY)
		883	const_iv (O_NOFOLLOW)
		884	const_iv (O_NONBLOCK)
		885	const_iv (O_EXEC)
		886	const_iv (O_SEARCH)
		887	const_iv (O_DIRECTORY)
		888	const_iv (O_DSYNC)
		889	const_iv (O_RSYNC)
		890	const_iv (O_SYNC)
		891	const_iv (O_TTY_INIT)
769		892
770	const_iv (S_IFIFO)	893	const_iv (S_IFIFO)
771	const_iv (S_IFCHR)	894	const_iv (S_IFCHR)
772	const_iv (S_IFBLK)	895	const_iv (S_IFBLK)
773	const_iv (S_IFLNK)	896	const_iv (S_IFLNK)
…		…
818	const_iv (MAP_LOCKED)	941	const_iv (MAP_LOCKED)
819	const_iv (MAP_NORESERVE)	942	const_iv (MAP_NORESERVE)
820	const_iv (MAP_POPULATE)	943	const_iv (MAP_POPULATE)
821	const_iv (MAP_NONBLOCK)	944	const_iv (MAP_NONBLOCK)
822		945
		946	const_iv (FIEMAP_FLAG_SYNC)
		947	const_iv (FIEMAP_FLAG_XATTR)
		948	const_iv (FIEMAP_FLAGS_COMPAT)
		949	const_iv (FIEMAP_EXTENT_LAST)
		950	const_iv (FIEMAP_EXTENT_UNKNOWN)
		951	const_iv (FIEMAP_EXTENT_DELALLOC)
		952	const_iv (FIEMAP_EXTENT_ENCODED)
		953	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		954	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		955	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		956	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		957	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		958	const_iv (FIEMAP_EXTENT_MERGED)
		959	const_iv (FIEMAP_EXTENT_SHARED)
		960
		961	const_iv (SPLICE_F_MOVE)
		962	const_iv (SPLICE_F_NONBLOCK)
		963	const_iv (SPLICE_F_MORE)
		964	const_iv (SPLICE_F_GIFT)
		965
		966	const_iv (SEEK_DATA)
		967	const_iv (SEEK_HOLE)
		968
		969	/* libeio constants */
		970	const_eio (SEEK_SET)
		971	const_eio (SEEK_CUR)
		972	const_eio (SEEK_END)
		973
823	const_eio (MCL_FUTURE)	974	const_eio (MCL_FUTURE)
824	const_eio (MCL_CURRENT)	975	const_eio (MCL_CURRENT)
825		976
826	const_eio (MS_ASYNC)	977	const_eio (MS_ASYNC)
827	const_eio (MS_INVALIDATE)	978	const_eio (MS_INVALIDATE)
…		…
830	const_eio (MT_MODIFY)	981	const_eio (MT_MODIFY)
831		982
832	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	983	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
833	const_eio (SYNC_FILE_RANGE_WRITE)	984	const_eio (SYNC_FILE_RANGE_WRITE)
834	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	985	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		986
		987	const_eio (FALLOC_FL_KEEP_SIZE)
835		988
836	const_eio (READDIR_DENTS)	989	const_eio (READDIR_DENTS)
837	const_eio (READDIR_DIRS_FIRST)	990	const_eio (READDIR_DIRS_FIRST)
838	const_eio (READDIR_STAT_ORDER)	991	const_eio (READDIR_STAT_ORDER)
839	const_eio (READDIR_FOUND_UNKNOWN)	992	const_eio (READDIR_FOUND_UNKNOWN)
…		…
850	};	1003	};
851		1004
852	aio_stash = gv_stashpv ("IO::AIO" , 1);	1005	aio_stash = gv_stashpv ("IO::AIO" , 1);
853	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1006	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
854	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1007	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1008	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
855		1009
856	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1010	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));	1011	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
858		1012
859	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1013	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860		1014
861	create_respipe ();	1015	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	}	1016	}
		1017
		1018	void
		1019	reinit ()
		1020	PROTOTYPE:
869		1021
870	void	1022	void
871	max_poll_reqs (unsigned int nreqs)	1023	max_poll_reqs (unsigned int nreqs)
872	PROTOTYPE: $	1024	PROTOTYPE: $
873	CODE:	1025	CODE:
…		…
908	PROTOTYPE: $	1060	PROTOTYPE: $
909	CODE:	1061	CODE:
910	max_outstanding = maxreqs;	1062	max_outstanding = maxreqs;
911		1063
912	void	1064	void
		1065	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1066	PPCODE:
		1067	{
		1068	dREQ;
		1069
		1070	req->type = EIO_WD_OPEN;
		1071	req_set_path1 (req, pathname);
		1072
		1073	REQ_SEND;
		1074	}
		1075
		1076	void
913	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1077	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
914	PPCODE:	1078	PPCODE:
915	{	1079	{
916	dREQ;	1080	dREQ;
917		1081
918	req->type = EIO_OPEN;	1082	req->type = EIO_OPEN;
919	req->sv1 = newSVsv (pathname);	1083	req_set_path1 (req, pathname);
920	req->ptr1 = SvPVbyte_nolen (req->sv1);
921	req->int1 = flags;	1084	req->int1 = flags;
922	req->int2 = mode;	1085	req->int2 = mode;
923		1086
924	REQ_SEND;	1087	REQ_SEND;
925	}	1088	}
…		…
927	void	1090	void
928	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1091	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
929	ALIAS:	1092	ALIAS:
930	aio_fsync = EIO_FSYNC	1093	aio_fsync = EIO_FSYNC
931	aio_fdatasync = EIO_FDATASYNC	1094	aio_fdatasync = EIO_FDATASYNC
		1095	aio_syncfs = EIO_SYNCFS
932	PPCODE:	1096	PPCODE:
933	{	1097	{
934	int fd = s_fileno_croak (fh, 0);	1098	int fd = s_fileno_croak (fh, 0);
935	dREQ;	1099	dREQ;
936		1100
937	req->type = ix;	1101	req->type = ix;
938	req->sv1 = newSVsv (fh);	1102	req->sv1 = newSVsv (fh);
939	req->int1 = fd;	1103	req->int1 = fd;
940		1104
941	REQ_SEND (req);	1105	REQ_SEND;
942	}	1106	}
943		1107
944	void	1108	void
945	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1109	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
946	PPCODE:	1110	PPCODE:
…		…
953	req->int1 = fd;	1117	req->int1 = fd;
954	req->offs = offset;	1118	req->offs = offset;
955	req->size = nbytes;	1119	req->size = nbytes;
956	req->int2 = flags;	1120	req->int2 = flags;
957		1121
958	REQ_SEND (req);	1122	REQ_SEND;
		1123	}
		1124
		1125	void
		1126	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1127	PPCODE:
		1128	{
		1129	int fd = s_fileno_croak (fh, 0);
		1130	dREQ;
		1131
		1132	req->type = EIO_FALLOCATE;
		1133	req->sv1 = newSVsv (fh);
		1134	req->int1 = fd;
		1135	req->int2 = mode;
		1136	req->offs = offset;
		1137	req->size = len;
		1138
		1139	REQ_SEND;
959	}	1140	}
960		1141
961	void	1142	void
962	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1143	aio_close (SV *fh, SV *callback=&PL_sv_undef)
963	PPCODE:	1144	PPCODE:
964	{	1145	{
965	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1146	static int close_fd = -1; /* dummy fd to close fds via dup2 */
966	int fd = s_fileno_croak (fh, 0);	1147	int fd = s_fileno_croak (fh, 0);
967	dREQ;	1148	dREQ;
968		1149
969	if (close_pipe < 0)	1150	if (expect_false (close_fd < 0))
970	{	1151	{
971	int pipefd [2];	1152	int pipefd [2];
972		1153
		1154	if (
		1155	#ifdef _WIN32
		1156	_pipe (pipefd, 1, _O_BINARY) < 0
		1157	#else
973	if (pipe (pipefd) < 0	1158	pipe (pipefd) < 0
974	|| close (pipefd [1]) < 0
975	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1159	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1160	#endif
		1161	|| close (pipefd [1]) < 0
		1162	)
976	abort (); /*D*/	1163	abort (); /*D*/
977		1164
978	close_pipe = pipefd [0];	1165	close_fd = pipefd [0];
979	}	1166	}
980		1167
981	req->type = EIO_DUP2;	1168	req->type = EIO_DUP2;
982	req->int1 = close_pipe;	1169	req->int1 = close_fd;
983	req->sv2 = newSVsv (fh);	1170	req->sv2 = newSVsv (fh);
984	req->int2 = fd;	1171	req->int2 = fd;
985		1172
986	REQ_SEND (req);	1173	REQ_SEND;
		1174	}
		1175
		1176	void
		1177	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1178	PPCODE:
		1179	{
		1180	int fd = s_fileno_croak (fh, 0);
		1181	dREQ;
		1182
		1183	req->type = EIO_SEEK;
		1184	req->sv1 = newSVsv (fh);
		1185	req->int1 = fd;
		1186	req->offs = SvVAL64 (offset);
		1187	req->int2 = whence;
		1188
		1189	REQ_SEND;
987	}	1190	}
988		1191
989	void	1192	void
990	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1193	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
991	ALIAS:	1194	ALIAS:
…		…
1012	}	1215	}
1013	else	1216	else
1014	{	1217	{
1015	/* read: check type and grow scalar as necessary */	1218	/* read: check type and grow scalar as necessary */
1016	SvUPGRADE (data, SVt_PV);	1219	SvUPGRADE (data, SVt_PV);
		1220	if (SvLEN (data) >= SvCUR (data))
1017	svptr = SvGROW (data, len + dataoffset + 1);	1221	svptr = SvGROW (data, len + dataoffset + 1);
		1222	else if (SvCUR (data) < len + dataoffset)
		1223	croak ("length + dataoffset outside of scalar, and cannot grow");
1018	}	1224	}
1019		1225
1020	{	1226	{
1021	dREQ;	1227	dREQ;
1022		1228
…		…
1038	REQ_SEND;	1244	REQ_SEND;
1039	}	1245	}
1040	}	1246	}
1041		1247
1042	void	1248	void
1043	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1249	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
		1250	ALIAS:
		1251	aio_readlink = EIO_READLINK
		1252	aio_realpath = EIO_REALPATH
1044	PPCODE:	1253	PPCODE:
1045	{	1254	{
1046	SV *data;
1047	dREQ;	1255	dREQ;
1048		1256
1049	req->type = EIO_READLINK;	1257	req->type = ix;
1050	req->sv1 = newSVsv (path);	1258	req_set_path1 (req, pathname);
1051	req->ptr1 = SvPVbyte_nolen (req->sv1);
1052		1259
1053	REQ_SEND;	1260	REQ_SEND;
1054	}	1261	}
1055		1262
1056	void	1263	void
…		…
1096	aio_statvfs = EIO_STATVFS	1303	aio_statvfs = EIO_STATVFS
1097	PPCODE:	1304	PPCODE:
1098	{	1305	{
1099	dREQ;	1306	dREQ;
1100		1307
1101	req->sv1 = newSVsv (fh_or_path);	1308	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		1309
1114	REQ_SEND;	1310	REQ_SEND;
1115	}	1311	}
1116		1312
1117	UV	1313	UV
…		…
1136	{	1332	{
1137	dREQ;	1333	dREQ;
1138		1334
1139	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1335	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1140	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1336	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1141	req->sv1 = newSVsv (fh_or_path);	1337	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		1338
1154	REQ_SEND;	1339	REQ_SEND;
1155	}	1340	}
1156		1341
1157	void	1342	void
1158	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1343	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1159	PPCODE:	1344	PPCODE:
1160	{	1345	{
1161	dREQ;	1346	dREQ;
1162		1347
1163	req->sv1 = newSVsv (fh_or_path);
1164	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1348	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1165		1349	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		1350
1177	REQ_SEND;	1351	REQ_SEND;
1178	}	1352	}
1179		1353
1180	void	1354	void
1181	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1355	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:	1356	PPCODE:
1186	{	1357	{
1187	dREQ;	1358	dREQ;
1188		1359
1189	req->int2 = mode;	1360	req->int2 = mode;
1190	req->sv1 = newSVsv (fh_or_path);	1361	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		1362
1203	REQ_SEND;	1363	REQ_SEND;
1204	}	1364	}
1205		1365
1206	void	1366	void
…		…
1209	{	1369	{
1210	dREQ;	1370	dREQ;
1211		1371
1212	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1372	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1213	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1373	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1214	req->sv1 = newSVsv (fh_or_path);	1374	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		1375
1227	REQ_SEND;	1376	REQ_SEND;
1228	}	1377	}
1229		1378
1230	void	1379	void
…		…
1232	PPCODE:	1381	PPCODE:
1233	{	1382	{
1234	dREQ;	1383	dREQ;
1235		1384
1236	req->type = EIO_READDIR;	1385	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;	1386	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1240		1387
1241	if (flags & EIO_READDIR_DENTS)	1388	if (flags & EIO_READDIR_DENTS)
1242	req->int1 |= EIO_READDIR_CUSTOM2;	1389	req->int1 |= EIO_READDIR_CUSTOM2;
1243		1390
		1391	req_set_path1 (req, pathname);
		1392
1244	REQ_SEND;	1393	REQ_SEND;
		1394	}
		1395
		1396	void
		1397	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1398	PPCODE:
		1399	{
		1400	dREQ;
		1401
		1402	req->type = EIO_MKDIR;
		1403	req->int2 = mode;
		1404	req_set_path1 (req, pathname);
		1405
		1406	REQ_SEND;
1245	}	1407	}
1246		1408
1247	void	1409	void
1248	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1410	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1249	ALIAS:	1411	ALIAS:
…		…
1253	PPCODE:	1415	PPCODE:
1254	{	1416	{
1255	dREQ;	1417	dREQ;
1256		1418
1257	req->type = ix;	1419	req->type = ix;
1258	req->sv1 = newSVsv (pathname);	1420	req_set_path1 (req, pathname);
1259	req->ptr1 = SvPVbyte_nolen (req->sv1);
1260		1421
1261	REQ_SEND;	1422	REQ_SEND;
1262	}	1423	}
1263		1424
1264	void	1425	void
…		…
1267	aio_link = EIO_LINK	1428	aio_link = EIO_LINK
1268	aio_symlink = EIO_SYMLINK	1429	aio_symlink = EIO_SYMLINK
1269	aio_rename = EIO_RENAME	1430	aio_rename = EIO_RENAME
1270	PPCODE:	1431	PPCODE:
1271	{	1432	{
		1433	eio_wd wd2 = 0;
1272	dREQ;	1434	dREQ;
1273		1435
1274	req->type = ix;	1436	req->type = ix;
1275	req->sv1 = newSVsv (oldpath);	1437	req_set_path1 (req, oldpath);
1276	req->ptr1 = SvPVbyte_nolen (req->sv1);	1438	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1277	req->sv2 = newSVsv (newpath);	1439	req->int3 = (long)wd2;
1278	req->ptr2 = SvPVbyte_nolen (req->sv2);
1279		1440
1280	REQ_SEND;	1441	REQ_SEND;
1281	}	1442	}
1282		1443
1283	void	1444	void
…		…
1285	PPCODE:	1446	PPCODE:
1286	{	1447	{
1287	dREQ;	1448	dREQ;
1288		1449
1289	req->type = EIO_MKNOD;	1450	req->type = EIO_MKNOD;
1290	req->sv1 = newSVsv (pathname);
1291	req->ptr1 = SvPVbyte_nolen (req->sv1);
1292	req->int2 = (mode_t)mode;	1451	req->int2 = (mode_t)mode;
1293	req->offs = dev;	1452	req->offs = dev;
		1453	req_set_path1 (req, pathname);
1294		1454
1295	REQ_SEND;	1455	REQ_SEND;
1296	}	1456	}
1297		1457
1298	void	1458	void
…		…
1365		1525
1366	req->type = EIO_MLOCKALL;	1526	req->type = EIO_MLOCKALL;
1367	req->int1 = flags;	1527	req->int1 = flags;
1368		1528
1369	REQ_SEND;	1529	REQ_SEND;
		1530	}
		1531
		1532	void
		1533	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1534	PPCODE:
		1535	{
		1536	int fd = s_fileno_croak (fh, 0);
		1537	dREQ;
		1538
		1539	req->type = EIO_CUSTOM;
		1540	req->sv1 = newSVsv (fh);
		1541	req->int1 = fd;
		1542
		1543	req->feed = fiemap;
		1544	#if HAVE_FIEMAP
		1545	/* keep our fingers crossed that the next two types are 64 bit */
		1546	req->offs = start;
		1547	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1548	req->int2 = flags;
		1549	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1550	#endif
		1551
		1552	REQ_SEND;
1370	}	1553	}
1371		1554
1372	void	1555	void
1373	aio_busy (double delay, SV *callback=&PL_sv_undef)	1556	aio_busy (double delay, SV *callback=&PL_sv_undef)
1374	PPCODE:	1557	PPCODE:
…		…
1498	CODE:	1681	CODE:
1499	RETVAL = posix_fadvise (fh, offset, length, advice);	1682	RETVAL = posix_fadvise (fh, offset, length, advice);
1500	OUTPUT:	1683	OUTPUT:
1501	RETVAL	1684	RETVAL
1502		1685
1503	ssize_t	1686	IV
1504	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1687	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1505	CODE:	1688	CODE:
1506	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1689	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1507	OUTPUT:	1690	OUTPUT:
1508	RETVAL	1691	RETVAL
1509		1692
1510	void	1693	void
1511	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1694	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1512	PPCODE:	1695	PPCODE:
1513	sv_unmagic (scalar, MMAP_MAGIC);	1696	sv_unmagic (scalar, MMAP_MAGIC);
1514	{	1697	{
1515	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1698	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1516	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1699	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1549	ALIAS:	1732	ALIAS:
1550	mprotect = 1	1733	mprotect = 1
1551	CODE:	1734	CODE:
1552	{	1735	{
1553	STRLEN svlen;	1736	STRLEN svlen;
1554	void *addr = SvPVbyte (scalar, svlen);	1737	void *addr = SvPVbyte (scalar, svlen);
1555	size_t len = SvUV (length);	1738	size_t len = SvUV (length);
1556		1739
1557	if (offset < 0)	1740	if (offset < 0)
1558	offset += svlen;	1741	offset += svlen;
1559		1742
…		…
1595	addr = (void *)(((intptr_t)addr) + offset);	1778	addr = (void *)(((intptr_t)addr) + offset);
1596	eio_page_align (&addr, &len);	1779	eio_page_align (&addr, &len);
1597	#if _POSIX_MEMLOCK_RANGE	1780	#if _POSIX_MEMLOCK_RANGE
1598	RETVAL = munlock (addr, len);	1781	RETVAL = munlock (addr, len);
1599	#else	1782	#else
1600	RETVAL = ((errno = ENOSYS), -1);	1783	RETVAL = EIO_ENOSYS ();
1601	#endif	1784	#endif
1602	}	1785	}
1603	OUTPUT:	1786	OUTPUT:
1604	RETVAL	1787	RETVAL
1605		1788
…		…
1607	munlockall ()	1790	munlockall ()
1608	CODE:	1791	CODE:
1609	#if _POSIX_MEMLOCK	1792	#if _POSIX_MEMLOCK
1610	munlockall ();	1793	munlockall ();
1611	#else	1794	#else
1612	RETVAL = -1;	1795	RETVAL = EIO_ENOSYS ();
1613	errno = ENOSYS;
1614	#endif	1796	#endif
1615	OUTPUT:	1797	OUTPUT:
		1798	RETVAL
		1799
		1800	int
		1801	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1802	CODE:
		1803	{
		1804	#if HAVE_LINUX_SPLICE
		1805	loff_t off_in_, off_out_;
		1806	RETVAL = splice (
		1807	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1808	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1809	length, flags
		1810	);
		1811	#else
		1812	RETVAL = EIO_ENOSYS ();
		1813	#endif
		1814	}
		1815	OUTPUT:
		1816	RETVAL
		1817
		1818	int
		1819	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1820	CODE:
		1821	#if HAVE_LINUX_SPLICE
		1822	RETVAL = tee (rfh, wfh, length, flags);
		1823	#else
		1824	RETVAL = EIO_ENOSYS ();
		1825	#endif
		1826	OUTPUT:
1616	RETVAL	1827	RETVAL
1617		1828
1618	void _on_next_submit (SV *cb)	1829	void _on_next_submit (SV *cb)
1619	CODE:	1830	CODE:
1620	SvREFCNT_dec (on_next_submit);	1831	SvREFCNT_dec (on_next_submit);
1621	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1832	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1622		1833
1623	PROTOTYPES: DISABLE	1834	PROTOTYPES: DISABLE
1624		1835
		1836	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1837
		1838	BOOT:
		1839	{
		1840	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1841	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1842	}
		1843
		1844	void
		1845	DESTROY (SV *self)
		1846	CODE:
		1847	{
		1848	aio_wd wd = SvAIO_WD (self);
		1849	#if HAVE_AT
		1850	{
		1851	SV *callback = &PL_sv_undef;
		1852	dREQ; /* clobbers next_pri :/ */
		1853	next_pri = req->pri; /* restore next_pri */
		1854	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1855	req->type = EIO_WD_CLOSE;
		1856	req->wd = wd;
		1857	REQ_SEND;
		1858	}
		1859	#else
		1860	eio_wd_close_sync (wd);
		1861	#endif
		1862	}
		1863
1625	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1864	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1626		1865
1627	void	1866	void
1628	cancel (aio_req_ornot req)	1867	cancel (aio_req_ornot req)
1629	CODE:	1868	CODE:

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