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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.174 by root, Mon Nov 1 22:03:43 2010 UTC vs.
Revision 1.219 by root, Fri Jul 27 18:43:25 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_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
		22	#endif
		23
		24	#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
23	#endif	31	#endif
24		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
		119	#include "libeio/config.h"
123	#include "libeio/eio.h"	120	#include "libeio/eio.h"
124		121
125	#ifndef POSIX_FADV_NORMAL	122	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	123	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	124	static void req_destroy (eio_req *grp);
128	#endif	125	#define EIO_DESTROY(req) req_destroy (req)
129	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0
131	#endif
132	#ifndef POSIX_FADV_RANDOM
133	# define POSIX_FADV_RANDOM 0
134	#endif
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138	#ifndef POSIX_FADV_WILLNEED
139	# define POSIX_FADV_WILLNEED 0
140	#endif
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		126
145	#if _XOPEN_SOURCE < 600 || NO_FADVISE	127	#include "libeio/eio.c"
		128
		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	133	#if !HAVE_POSIX_MADVISE
150	# define POSIX_MADV_NORMAL 0
151	# define NO_MADVISE 1
152	#endif
153	#ifndef POSIX_MADV_SEQUENTIAL
154	# define POSIX_MADV_SEQUENTIAL 0
155	#endif
156	#ifndef POSIX_MADV_RANDOM
157	# define POSIX_MADV_RANDOM 0
158	#endif
159	#ifndef POSIX_MADV_WILLNEED
160	# define POSIX_MADV_WILLNEED 0
161	#endif
162	#ifndef POSIX_MADV_DONTNEED
163	# define POSIX_MADV_DONTNEED 0
164	#endif
165
166	#if _XOPEN_SOURCE < 600 || NO_MADVISE
167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168	#endif
169
170	#ifndef PROT_NONE
171	# define PROT_NONE 0
172	#endif
173	#ifndef PROT_READ
174	# define PROT_READ 0
175	#endif
176	#ifndef PROT_WRITE
177	# define PROT_READ 0
178	#endif
179	#ifndef PROT_EXEC
180	# define PROT_EXEC 0
181	#endif
182
183	#ifndef ST_NODEV
184	# define ST_NODEV 0
185	#endif
186	#ifndef ST_NOEXEC
187	# define ST_NOEXEC 0
188	#endif
189	#ifndef ST_SYNCHRONOUS
190	# define ST_SYNCHRONOUS 0
191	#endif
192	#ifndef ST_MANDLOCK
193	# define ST_MANDLOCK 0
194	#endif
195	#ifndef ST_WRITE
196	# define ST_WRITE 0
197	#endif
198	#ifndef ST_APPEND
199	# define ST_APPEND 0
200	#endif
201	#ifndef ST_IMMUTABLE
202	# define ST_IMMUTABLE 0
203	#endif
204	#ifndef ST_NOATIME
205	# define ST_NOATIME 0
206	#endif
207	#ifndef ST_NODIRATIME
208	# define ST_NODIRATIME 0
209	#endif
210	#ifndef ST_RELATIME
211	# define ST_RELATIME 0
212	#endif	135	#endif
213		136
214	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
215	# ifdef MAP_ANON	138	# ifdef MAP_ANON
216	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
217	# else	140	# else
218	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
219	# endif	142	# endif
220	#endif	143	#endif
221	#ifndef MAP_HUGETLB	144
222	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
		146	#include "def0.h"
		147
		148	#ifndef makedev
		149	# define makedev(maj,min) (((maj) << 8) | (min))
223	#endif	150	#endif
224	#ifndef MAP_LOCKED	151	#ifndef major
225	# define MAP_LOCKED 0	152	# define major(dev) ((dev) >> 8)
226	#endif	153	#endif
227	#ifndef MAP_NORESERVE	154	#ifndef minor
228	# define MAP_NORESERVE 0	155	# define minor(dev) ((dev) & 0xff)
229	#endif
230	#ifndef MAP_POPULATE
231	# define MAP_POPULATE 0
232	#endif
233	#ifndef MAP_NONBLOCK
234	# define MAP_NONBLOCK 0
235	#endif	156	#endif
236		157
237	#ifndef PAGESIZE	158	#ifndef PAGESIZE
238	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
239	#endif	160	#endif
240		161
241	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
242	#define EIO_FINISH(req) req_invoke (req)	163
243	static void req_destroy (eio_req *grp);	164	static void
244	#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 < count)
		200	/* either autosizing succeeded,
		201	* or the file had no extents
		202	* or we luckily had enough space */
		203	break;
		204
		205	/* some kernels overwrite fm_length, so just reset everything */
		206	fiemap->fm_start = req->offs;
		207	fiemap->fm_length = req->size;
		208	fiemap->fm_flags = req->int2;
		209	fiemap->fm_extent_count = 0;
		210
		211	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
		212	return;
		213
		214	/* to work around a kernel bug, we allocate one more */
		215	count = fiemap->fm_mapped_extents + 1;
		216
		217	free (fiemap);
		218	}
		219
		220	req->result = 0;
		221
		222	#else
		223	errno = ENOSYS;
		224	#endif
		225	}
		226
		227	/*****************************************************************************/
245		228
246	enum {	229	enum {
247	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	230	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
248	};	231	};
249		232
250	#include "libeio/eio.c"
251
252	typedef eio_req *aio_req;	233	typedef eio_req *aio_req;
253	typedef eio_req *aio_req_ornot;	234	typedef eio_req *aio_req_ornot;
		235	typedef eio_wd aio_wd;
254		236
255	static SV *on_next_submit;	237	static SV *on_next_submit;
256	static int next_pri = EIO_PRI_DEFAULT;	238	static int next_pri = EIO_PRI_DEFAULT;
257	static int max_outstanding;	239	static int max_outstanding;
258		240
259	static s_epipe respipe;	241	static s_epipe respipe;
260		242
261	static void req_destroy (aio_req req);	243	static void req_destroy (aio_req req);
262	static void req_cancel (aio_req req);	244	static void req_cancel (aio_req req);
263		245
264	static void want_poll (void)	246	static void
		247	want_poll (void)
265	{	248	{
266	/* write a dummy byte to the pipe so fh becomes ready */	249	/* write a dummy byte to the pipe so fh becomes ready */
267	s_epipe_signal (&respipe);	250	s_epipe_signal (&respipe);
268	}	251	}
269		252
270	static void done_poll (void)	253	static void
		254	done_poll (void)
271	{	255	{
272	/* read any signals sent by the worker threads */	256	/* read any signals sent by the worker threads */
273	s_epipe_drain (&respipe);	257	s_epipe_drain (&respipe);
274	}	258	}
275		259
276	/* must be called at most once */	260	/* must be called at most once */
		261	static SV *
277	static SV *req_sv (aio_req req, HV *stash)	262	req_sv (aio_req req, HV *stash)
278	{	263	{
279	if (!req->self)	264	if (!req->self)
280	{	265	{
281	req->self = (SV *)newHV ();	266	req->self = (SV *)newHV ();
282	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	267	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
283	}	268	}
284		269
285	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	270	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
286	}	271	}
287		272
288	static aio_req SvAIO_REQ (SV *sv)	273	static SV *
		274	newSVaio_wd (aio_wd wd)
		275	{
		276	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		277	}
		278
		279	static aio_req
		280	SvAIO_REQ (SV *sv)
289	{	281	{
290	MAGIC *mg;	282	MAGIC *mg;
291		283
292	if (!SvROK (sv)	284	if (!SvROK (sv)
		285	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
293	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	286	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
294	&& SvSTASH (SvRV (sv)) != aio_req_stash	287	&& SvSTASH (SvRV (sv)) != aio_req_stash
295	&& !sv_derived_from (sv, "IO::AIO::REQ")))	288	&& !sv_derived_from (sv, "IO::AIO::REQ")))
296	croak ("object of class IO::AIO::REQ expected");	289	croak ("object of class IO::AIO::REQ expected");
297		290
298	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	291	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
299		292
300	return mg ? (aio_req)mg->mg_ptr : 0;	293	return mg ? (aio_req)mg->mg_ptr : 0;
301	}	294	}
302		295
		296	static aio_wd
		297	SvAIO_WD (SV *sv)
		298	{
		299	if (!SvROK (sv)
		300	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		301	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		302	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		303
		304	return (aio_wd)(long)SvIVX (SvRV (sv));
		305	}
		306
		307	static void
303	static void aio_grp_feed (aio_req grp)	308	aio_grp_feed (aio_req grp)
304	{	309	{
305	if (grp->sv2 && SvOK (grp->sv2))	310	if (grp->sv2 && SvOK (grp->sv2))
306	{	311	{
307	dSP;	312	dSP;
308		313
…		…
316	FREETMPS;	321	FREETMPS;
317	LEAVE;	322	LEAVE;
318	}	323	}
319	}	324	}
320		325
		326	static void
321	static void req_submit (eio_req *req)	327	req_submit (eio_req *req)
322	{	328	{
323	eio_submit (req);	329	eio_submit (req);
324		330
325	if (expect_false (on_next_submit))	331	if (expect_false (on_next_submit))
326	{	332	{
…		…
333	PUTBACK;	339	PUTBACK;
334	call_sv (cb, G_DISCARD | G_EVAL);	340	call_sv (cb, G_DISCARD | G_EVAL);
335	}	341	}
336	}	342	}
337		343
		344	static int
338	static int req_invoke (eio_req *req)	345	req_invoke (eio_req *req)
339	{	346	{
340	if (req->flags & FLAG_SV2_RO_OFF)	347	if (req->flags & FLAG_SV2_RO_OFF)
341	SvREADONLY_off (req->sv2);	348	SvREADONLY_off (req->sv2);
342		349
343	if (!EIO_CANCELLED (req) && req->callback)	350	if (!EIO_CANCELLED (req) && req->callback)
…		…
354	/* do not recreate the result IV from scratch each time */	361	/* do not recreate the result IV from scratch each time */
355	if (expect_true (sv_result_cache))	362	if (expect_true (sv_result_cache))
356	{	363	{
357	sv_result = sv_result_cache; sv_result_cache = 0;	364	sv_result = sv_result_cache; sv_result_cache = 0;
358	SvIV_set (sv_result, req->result);	365	SvIV_set (sv_result, req->result);
		366	SvIOK_only (sv_result);
359	}	367	}
360	else	368	else
361	{	369	{
362	sv_result = newSViv (req->result);	370	sv_result = newSViv (req->result);
363	SvREADONLY_on (sv_result);	371	SvREADONLY_on (sv_result);
364	}	372	}
365		373
366	switch (req->type)	374	switch (req->type)
367	{	375	{
		376	case EIO_WD_OPEN:
		377	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		378	break;
		379
368	case EIO_READDIR:	380	case EIO_READDIR:
369	{	381	{
370	SV *rv = &PL_sv_undef;	382	SV *rv = &PL_sv_undef;
371		383
372	if (req->result >= 0)	384	if (req->result >= 0)
…		…
460	case EIO_STATVFS:	472	case EIO_STATVFS:
461	case EIO_FSTATVFS:	473	case EIO_FSTATVFS:
462	{	474	{
463	SV *rv = &PL_sv_undef;	475	SV *rv = &PL_sv_undef;
464		476
		477	#ifndef _WIN32
465	if (req->result >= 0)	478	if (req->result >= 0)
466	{	479	{
467	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	480	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468	HV *hv = newHV ();	481	HV *hv = newHV ();
469		482
…		…
479	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	492	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	493	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
481	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	494	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	495	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483	}	496	}
		497	#endif
484		498
485	PUSHs (rv);	499	PUSHs (rv);
486	}	500	}
487		501
488	break;	502	break;
…		…
504	case EIO_NOP:	518	case EIO_NOP:
505	case EIO_BUSY:	519	case EIO_BUSY:
506	break;	520	break;
507		521
508	case EIO_READLINK:	522	case EIO_READLINK:
		523	case EIO_REALPATH:
509	if (req->result > 0)	524	if (req->result > 0)
510	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	525	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511	break;	526	break;
512		527
513	case EIO_STAT:	528	case EIO_STAT:
514	case EIO_LSTAT:	529	case EIO_LSTAT:
515	case EIO_FSTAT:	530	case EIO_FSTAT:
516	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	531	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		532
517	PL_laststatval = req->result;	533	if (!(PL_laststatval = req->result))
		534	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
518	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	535	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		536
519	PUSHs (sv_result);	537	PUSHs (sv_result);
		538	break;
		539
		540	case EIO_SEEK:
		541	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
520	break;	542	break;
521		543
522	case EIO_READ:	544	case EIO_READ:
523	{	545	{
524	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	546	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
527	SvSETMAGIC (req->sv2);	549	SvSETMAGIC (req->sv2);
528	PUSHs (sv_result);	550	PUSHs (sv_result);
529	}	551	}
530	break;	552	break;
531		553
		554	case EIO_CUSTOM:
		555	if (req->feed == fiemap)
		556	{
		557	#if HAVE_FIEMAP
		558	if (!req->result)
		559	{
		560	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		561
		562	if (fiemap->fm_extent_count)
		563	{
		564	AV *av = newAV ();
		565	int i;
		566
		567	while (fiemap->fm_mapped_extents)
		568	{
		569	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		570	AV *ext_av = newAV ();
		571
		572	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		573	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		574	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		575	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		576
		577	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		578	}
		579
		580	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		581	}
		582	else
		583	{
		584	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		585	PUSHs (sv_result);
		586	}
		587	}
		588	#endif
		589	}
		590	else
		591	PUSHs (sv_result);
		592	break;
		593
532	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */	594	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
533	if (req->result > 0)	595	if (req->result > 0)
534	SvIV_set (sv_result, 0);	596	SvIV_set (sv_result, 0);
535	/* FALLTHROUGH */	597	/* FALLTHROUGH */
536		598
537	default:	599	default:
…		…
557	}	619	}
558		620
559	return !!SvTRUE (ERRSV);	621	return !!SvTRUE (ERRSV);
560	}	622	}
561		623
		624	static void
562	static void req_destroy (aio_req req)	625	req_destroy (aio_req req)
563	{	626	{
564	if (req->self)	627	if (req->self)
565	{	628	{
566	sv_unmagic (req->self, PERL_MAGIC_ext);	629	sv_unmagic (req->self, PERL_MAGIC_ext);
567	SvREFCNT_dec (req->self);	630	SvREFCNT_dec (req->self);
568	}	631	}
569		632
570	SvREFCNT_dec (req->sv1);	633	SvREFCNT_dec (req->sv1);
571	SvREFCNT_dec (req->sv2);	634	SvREFCNT_dec (req->sv2);
		635	SvREFCNT_dec (req->sv3);
		636	SvREFCNT_dec (req->sv4);
572	SvREFCNT_dec (req->callback);	637	SvREFCNT_dec (req->callback);
573		638
574	Safefree (req);	639	free (req);
575	}	640	}
576		641
		642	static void
577	static void req_cancel_subs (aio_req grp)	643	req_cancel_subs (aio_req grp)
578	{	644	{
579	aio_req sub;
580
581	if (grp->type != EIO_GROUP)	645	if (grp->type != EIO_GROUP)
582	return;	646	return;
583		647
584	SvREFCNT_dec (grp->sv2);	648	SvREFCNT_dec (grp->sv2);
585	grp->sv2 = 0;	649	grp->sv2 = 0;
586		650
587	eio_grp_cancel (grp);	651	eio_grp_cancel (grp);
588	}	652	}
589		653
590	static void	654	static void ecb_cold
591	create_respipe (void)	655	create_respipe (void)
592	{	656	{
593	if (s_epipe_renew (&respipe))	657	if (s_epipe_renew (&respipe))
594	croak ("IO::AIO: unable to initialize result pipe");	658	croak ("IO::AIO: unable to initialize result pipe");
595	}	659	}
596		660
597	static void poll_wait (void)	661	static void
		662	poll_wait (void)
598	{	663	{
599	while (eio_nreqs ())	664	while (eio_nreqs ())
600	{	665	{
601	int size;	666	int size;
602		667
…		…
611		676
612	s_epipe_wait (&respipe);	677	s_epipe_wait (&respipe);
613	}	678	}
614	}	679	}
615		680
616	static int poll_cb (void)	681	static int
		682	poll_cb (void)
617	{	683	{
618	for (;;)	684	for (;;)
619	{	685	{
620	int res = eio_poll ();	686	int res = eio_poll ();
621		687
…		…
627		693
628	poll_wait ();	694	poll_wait ();
629	}	695	}
630	}	696	}
631		697
632	static void atfork_child (void)	698	static void ecb_cold
		699	reinit (void)
633	{	700	{
634	create_respipe ();	701	create_respipe ();
		702
		703	if (eio_init (want_poll, done_poll) < 0)
		704	croak ("IO::AIO: unable to initialise eio library");
635	}	705	}
636		706
637	/*****************************************************************************/	707	/*****************************************************************************/
638		708
639	#if !_POSIX_MAPPED_FILES	709	#if !_POSIX_MAPPED_FILES
640	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	710	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
641	# define munmap(addr,length) (errno = ENOSYS, -1)	711	# define munmap(addr,length) EIO_ENOSYS ()
		712	#endif
		713
		714	#if !_POSIX_MEMORY_PROTECTION
642	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	715	# define mprotect(addr,len,prot) EIO_ENOSYS ()
643	# define PROT_NONE 0	716	# define PROT_NONE 0
644	# define PROT_WRITE 0	717	# define PROT_WRITE 0
645	# define MAP_PRIVATE 0	718	# define MAP_PRIVATE 0
646	# define MAP_SHARED 0	719	# define MAP_SHARED 0
647	# define MAP_FIXED 0	720	# define MAP_FIXED 0
648	#endif	721	#endif
649		722
650	#define MMAP_MAGIC PERL_MAGIC_ext	723	#define MMAP_MAGIC PERL_MAGIC_ext
651		724
652	static int	725	static int ecb_cold
653	mmap_free (pTHX_ SV *sv, MAGIC *mg)	726	mmap_free (pTHX_ SV *sv, MAGIC *mg)
654	{	727	{
655	int old_errno = errno;	728	int old_errno = errno;
656	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	729	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
657	errno = old_errno;	730	errno = old_errno;
…		…
681	{	754	{
682	SvGETMAGIC (cb_sv);	755	SvGETMAGIC (cb_sv);
683	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	756	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
684	}	757	}
685		758
		759	static aio_req ecb_noinline
		760	dreq (SV *callback)
		761	{
		762	SV *cb_cv;
		763	aio_req req;
		764	int req_pri = next_pri;
		765	next_pri = EIO_PRI_DEFAULT;
		766
		767	cb_cv = get_cb (callback);
		768
		769	req = calloc (sizeof (*req), 1);
		770	if (!req)
		771	croak ("out of memory during eio_req allocation");
		772
		773	req->callback = SvREFCNT_inc (cb_cv);
		774	req->pri = req_pri;
		775
		776	return req;
		777	}
		778
686	#define dREQ \	779	#define dREQ \
687	SV *cb_cv; \	780	aio_req req = dreq (callback); \
688	aio_req req; \
689	int req_pri = next_pri; \
690	next_pri = EIO_PRI_DEFAULT; \
691	\
692	cb_cv = get_cb (callback); \
693	\
694	Newz (0, req, 1, eio_req); \
695	if (!req) \
696	croak ("out of memory during eio_req allocation"); \
697	\
698	req->callback = SvREFCNT_inc (cb_cv); \
699	req->pri = req_pri
700		781
701	#define REQ_SEND \	782	#define REQ_SEND \
702	PUTBACK; \	783	PUTBACK; \
703	req_submit (req); \	784	req_submit (req); \
704	SPAGAIN; \	785	SPAGAIN; \
705	\	786	\
706	if (GIMME_V != G_VOID) \	787	if (GIMME_V != G_VOID) \
707	XPUSHs (req_sv (req, aio_req_stash));	788	XPUSHs (req_sv (req, aio_req_stash));
708		789
		790	ecb_inline void
		791	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		792	{
		793	if (expect_false (SvROK (path)))
		794	{
		795	SV *rv = SvRV (path);
		796	SV *wdob;
		797
		798	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		799	{
		800	path = AvARRAY (rv)[1];
		801	wdob = AvARRAY (rv)[0];
		802
		803	if (SvOK (wdob))
		804	{
		805	*wd = SvAIO_WD (wdob);
		806	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		807	}
		808	else
		809	*wd = EIO_INVALID_WD;
		810	}
		811	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		812	{
		813	*wd = (aio_wd)(long)SvIVX (rv);
		814	*wdsv = SvREFCNT_inc_NN (rv);
		815	*ptr = ".";
		816	return; /* path set to "." */
		817	}
		818	else
		819	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		820	}
		821
		822	*pathsv = newSVsv (path);
		823	*ptr = SvPVbyte_nolen (*pathsv);
		824	}
		825
		826	static void ecb_noinline
		827	req_set_path1 (aio_req req, SV *path)
		828	{
		829	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		830	}
		831
		832	static void ecb_noinline
		833	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		834	{
		835	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		836
		837	switch (SvTYPE (rv))
		838	{
		839	case SVt_PVIO:
		840	case SVt_PVLV:
		841	case SVt_PVGV:
		842	req->type = type_fh;
		843	req->sv1 = newSVsv (fh_or_path);
		844	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		845	break;
		846
		847	default:
		848	req->type = type_path;
		849	req_set_path1 (req, fh_or_path);
		850	break;
		851	}
		852	}
		853
		854	XS(boot_IO__AIO) ecb_cold;
		855
709	MODULE = IO::AIO PACKAGE = IO::AIO	856	MODULE = IO::AIO PACKAGE = IO::AIO
710		857
711	PROTOTYPES: ENABLE	858	PROTOTYPES: ENABLE
712		859
713	BOOT:	860	BOOT:
…		…
717	IV iv;	864	IV iv;
718	} *civ, const_iv[] = {	865	} *civ, const_iv[] = {
719	# define const_niv(name, value) { # name, (IV) value },	866	# define const_niv(name, value) { # name, (IV) value },
720	# define const_iv(name) { # name, (IV) name },	867	# define const_iv(name) { # name, (IV) name },
721	# define const_eio(name) { # name, (IV) EIO_ ## name },	868	# define const_eio(name) { # name, (IV) EIO_ ## name },
		869
		870	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		871
		872	const_iv (ENOSYS)
722	const_iv (EXDEV)	873	const_iv (EXDEV)
723	const_iv (ENOSYS)	874	const_iv (EBADR)
		875
724	const_iv (O_RDONLY)	876	const_iv (O_RDONLY)
725	const_iv (O_WRONLY)	877	const_iv (O_WRONLY)
726	const_iv (O_RDWR)	878	const_iv (O_RDWR)
727	const_iv (O_CREAT)	879	const_iv (O_CREAT)
728	const_iv (O_TRUNC)	880	const_iv (O_TRUNC)
729	const_iv (O_EXCL)	881	const_iv (O_EXCL)
730	const_iv (O_APPEND)	882	const_iv (O_APPEND)
731	#ifndef _WIN32	883
		884	const_iv (O_ASYNC)
		885	const_iv (O_DIRECT)
		886	const_iv (O_NOATIME)
		887
		888	const_iv (O_CLOEXEC)
		889	const_iv (O_NOCTTY)
		890	const_iv (O_NOFOLLOW)
		891	const_iv (O_NONBLOCK)
		892	const_iv (O_EXEC)
		893	const_iv (O_SEARCH)
		894	const_iv (O_DIRECTORY)
		895	const_iv (O_DSYNC)
		896	const_iv (O_RSYNC)
		897	const_iv (O_SYNC)
		898	const_iv (O_TTY_INIT)
		899
732	const_iv (S_IFIFO)	900	const_iv (S_IFIFO)
733	#endif	901	const_iv (S_IFCHR)
		902	const_iv (S_IFBLK)
		903	const_iv (S_IFLNK)
		904	const_iv (S_IFREG)
		905	const_iv (S_IFDIR)
		906	const_iv (S_IFWHT)
		907	const_iv (S_IFSOCK)
		908	const_iv (S_IFMT)
		909
734	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	910	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
735	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	911	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
736	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	912	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
737	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	913	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
738	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	914	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
…		…
772	const_iv (MAP_LOCKED)	948	const_iv (MAP_LOCKED)
773	const_iv (MAP_NORESERVE)	949	const_iv (MAP_NORESERVE)
774	const_iv (MAP_POPULATE)	950	const_iv (MAP_POPULATE)
775	const_iv (MAP_NONBLOCK)	951	const_iv (MAP_NONBLOCK)
776		952
		953	const_iv (FIEMAP_FLAG_SYNC)
		954	const_iv (FIEMAP_FLAG_XATTR)
		955	const_iv (FIEMAP_FLAGS_COMPAT)
		956	const_iv (FIEMAP_EXTENT_LAST)
		957	const_iv (FIEMAP_EXTENT_UNKNOWN)
		958	const_iv (FIEMAP_EXTENT_DELALLOC)
		959	const_iv (FIEMAP_EXTENT_ENCODED)
		960	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		961	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		962	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		963	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		964	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		965	const_iv (FIEMAP_EXTENT_MERGED)
		966	const_iv (FIEMAP_EXTENT_SHARED)
		967
		968	const_iv (SPLICE_F_MOVE)
		969	const_iv (SPLICE_F_NONBLOCK)
		970	const_iv (SPLICE_F_MORE)
		971	const_iv (SPLICE_F_GIFT)
		972
		973	const_iv (SEEK_DATA)
		974	const_iv (SEEK_HOLE)
		975
		976	/* libeio constants */
		977	const_eio (SEEK_SET)
		978	const_eio (SEEK_CUR)
		979	const_eio (SEEK_END)
		980
777	const_eio (MCL_FUTURE)	981	const_eio (MCL_FUTURE)
778	const_eio (MCL_CURRENT)	982	const_eio (MCL_CURRENT)
779		983
780	const_eio (MS_ASYNC)	984	const_eio (MS_ASYNC)
781	const_eio (MS_INVALIDATE)	985	const_eio (MS_INVALIDATE)
…		…
784	const_eio (MT_MODIFY)	988	const_eio (MT_MODIFY)
785		989
786	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	990	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
787	const_eio (SYNC_FILE_RANGE_WRITE)	991	const_eio (SYNC_FILE_RANGE_WRITE)
788	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	992	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		993
		994	const_eio (FALLOC_FL_KEEP_SIZE)
		995	const_eio (FALLOC_FL_PUNCH_HOLE)
789		996
790	const_eio (READDIR_DENTS)	997	const_eio (READDIR_DENTS)
791	const_eio (READDIR_DIRS_FIRST)	998	const_eio (READDIR_DIRS_FIRST)
792	const_eio (READDIR_STAT_ORDER)	999	const_eio (READDIR_STAT_ORDER)
793	const_eio (READDIR_FOUND_UNKNOWN)	1000	const_eio (READDIR_FOUND_UNKNOWN)
…		…
804	};	1011	};
805		1012
806	aio_stash = gv_stashpv ("IO::AIO" , 1);	1013	aio_stash = gv_stashpv ("IO::AIO" , 1);
807	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1014	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
808	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1015	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1016	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
809		1017
810	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1018	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
811	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1019	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
812		1020
813	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1021	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
814		1022
815	create_respipe ();	1023	reinit ();
816
817	if (eio_init (want_poll, done_poll) < 0)
818	croak ("IO::AIO: unable to initialise eio library");
819
820	/* atfork child called in fifo order, so before eio's handler */
821	X_THREAD_ATFORK (0, 0, atfork_child);
822	}	1024	}
823		1025
824	void	1026	void
		1027	reinit ()
		1028	PROTOTYPE:
		1029
		1030	void
825	max_poll_reqs (int nreqs)	1031	max_poll_reqs (unsigned int nreqs)
826	PROTOTYPE: $	1032	PROTOTYPE: $
827	CODE:	1033	CODE:
828	eio_set_max_poll_reqs (nreqs);	1034	eio_set_max_poll_reqs (nreqs);
829		1035
830	void	1036	void
…		…
832	PROTOTYPE: $	1038	PROTOTYPE: $
833	CODE:	1039	CODE:
834	eio_set_max_poll_time (nseconds);	1040	eio_set_max_poll_time (nseconds);
835		1041
836	void	1042	void
837	min_parallel (int nthreads)	1043	min_parallel (unsigned int nthreads)
838	PROTOTYPE: $	1044	PROTOTYPE: $
839	CODE:	1045	CODE:
840	eio_set_min_parallel (nthreads);	1046	eio_set_min_parallel (nthreads);
841		1047
842	void	1048	void
843	max_parallel (int nthreads)	1049	max_parallel (unsigned int nthreads)
844	PROTOTYPE: $	1050	PROTOTYPE: $
845	CODE:	1051	CODE:
846	eio_set_max_parallel (nthreads);	1052	eio_set_max_parallel (nthreads);
847		1053
848	void	1054	void
849	max_idle (int nthreads)	1055	max_idle (unsigned int nthreads)
850	PROTOTYPE: $	1056	PROTOTYPE: $
851	CODE:	1057	CODE:
852	eio_set_max_idle (nthreads);	1058	eio_set_max_idle (nthreads);
853		1059
854	void	1060	void
		1061	idle_timeout (unsigned int seconds)
		1062	PROTOTYPE: $
		1063	CODE:
		1064	eio_set_idle_timeout (seconds);
		1065
		1066	void
855	max_outstanding (int maxreqs)	1067	max_outstanding (unsigned int maxreqs)
856	PROTOTYPE: $	1068	PROTOTYPE: $
857	CODE:	1069	CODE:
858	max_outstanding = maxreqs;	1070	max_outstanding = maxreqs;
859		1071
860	void	1072	void
		1073	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1074	PPCODE:
		1075	{
		1076	dREQ;
		1077
		1078	req->type = EIO_WD_OPEN;
		1079	req_set_path1 (req, pathname);
		1080
		1081	REQ_SEND;
		1082	}
		1083
		1084	void
861	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1085	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
862	PPCODE:	1086	PPCODE:
863	{	1087	{
864	dREQ;	1088	dREQ;
865		1089
866	req->type = EIO_OPEN;	1090	req->type = EIO_OPEN;
867	req->sv1 = newSVsv (pathname);	1091	req_set_path1 (req, pathname);
868	req->ptr1 = SvPVbyte_nolen (req->sv1);
869	req->int1 = flags;	1092	req->int1 = flags;
870	req->int2 = mode;	1093	req->int2 = mode;
871		1094
872	REQ_SEND;	1095	REQ_SEND;
873	}	1096	}
…		…
875	void	1098	void
876	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1099	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
877	ALIAS:	1100	ALIAS:
878	aio_fsync = EIO_FSYNC	1101	aio_fsync = EIO_FSYNC
879	aio_fdatasync = EIO_FDATASYNC	1102	aio_fdatasync = EIO_FDATASYNC
		1103	aio_syncfs = EIO_SYNCFS
880	PPCODE:	1104	PPCODE:
881	{	1105	{
882	int fd = s_fileno_croak (fh, 0);	1106	int fd = s_fileno_croak (fh, 0);
883	dREQ;	1107	dREQ;
884		1108
885	req->type = ix;	1109	req->type = ix;
886	req->sv1 = newSVsv (fh);	1110	req->sv1 = newSVsv (fh);
887	req->int1 = fd;	1111	req->int1 = fd;
888		1112
889	REQ_SEND (req);	1113	REQ_SEND;
890	}	1114	}
891		1115
892	void	1116	void
893	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1117	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
894	PPCODE:	1118	PPCODE:
…		…
901	req->int1 = fd;	1125	req->int1 = fd;
902	req->offs = offset;	1126	req->offs = offset;
903	req->size = nbytes;	1127	req->size = nbytes;
904	req->int2 = flags;	1128	req->int2 = flags;
905		1129
906	REQ_SEND (req);	1130	REQ_SEND;
		1131	}
		1132
		1133	void
		1134	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1135	PPCODE:
		1136	{
		1137	int fd = s_fileno_croak (fh, 0);
		1138	dREQ;
		1139
		1140	req->type = EIO_FALLOCATE;
		1141	req->sv1 = newSVsv (fh);
		1142	req->int1 = fd;
		1143	req->int2 = mode;
		1144	req->offs = offset;
		1145	req->size = len;
		1146
		1147	REQ_SEND;
907	}	1148	}
908		1149
909	void	1150	void
910	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1151	aio_close (SV *fh, SV *callback=&PL_sv_undef)
911	PPCODE:	1152	PPCODE:
912	{	1153	{
913	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1154	static int close_fd = -1; /* dummy fd to close fds via dup2 */
914	int fd = s_fileno_croak (fh, 0);	1155	int fd = s_fileno_croak (fh, 0);
915	dREQ;	1156	dREQ;
916		1157
917	if (close_pipe < 0)	1158	if (expect_false (close_fd < 0))
918	{	1159	{
919	int pipefd [2];	1160	int pipefd [2];
920		1161
		1162	if (
		1163	#ifdef _WIN32
		1164	_pipe (pipefd, 1, _O_BINARY) < 0
		1165	#else
921	if (pipe (pipefd) < 0	1166	pipe (pipefd) < 0
922	|| close (pipefd [1]) < 0
923	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1167	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1168	#endif
		1169	|| close (pipefd [1]) < 0
		1170	)
924	abort (); /*D*/	1171	abort (); /*D*/
925		1172
926	close_pipe = pipefd [0];	1173	close_fd = pipefd [0];
927	}	1174	}
928		1175
929	req->type = EIO_DUP2;	1176	req->type = EIO_DUP2;
930	req->int1 = close_pipe;	1177	req->int1 = close_fd;
931	req->sv2 = newSVsv (fh);	1178	req->sv2 = newSVsv (fh);
932	req->int2 = fd;	1179	req->int2 = fd;
933		1180
934	REQ_SEND (req);	1181	REQ_SEND;
		1182	}
		1183
		1184	void
		1185	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1186	PPCODE:
		1187	{
		1188	int fd = s_fileno_croak (fh, 0);
		1189	dREQ;
		1190
		1191	req->type = EIO_SEEK;
		1192	req->sv1 = newSVsv (fh);
		1193	req->int1 = fd;
		1194	req->offs = SvVAL64 (offset);
		1195	req->int2 = whence;
		1196
		1197	REQ_SEND;
935	}	1198	}
936		1199
937	void	1200	void
938	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1201	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
939	ALIAS:	1202	ALIAS:
…		…
960	}	1223	}
961	else	1224	else
962	{	1225	{
963	/* read: check type and grow scalar as necessary */	1226	/* read: check type and grow scalar as necessary */
964	SvUPGRADE (data, SVt_PV);	1227	SvUPGRADE (data, SVt_PV);
		1228	if (SvLEN (data) >= SvCUR (data))
965	svptr = SvGROW (data, len + dataoffset + 1);	1229	svptr = SvGROW (data, len + dataoffset + 1);
		1230	else if (SvCUR (data) < len + dataoffset)
		1231	croak ("length + dataoffset outside of scalar, and cannot grow");
966	}	1232	}
967		1233
968	{	1234	{
969	dREQ;	1235	dREQ;
970		1236
…		…
986	REQ_SEND;	1252	REQ_SEND;
987	}	1253	}
988	}	1254	}
989		1255
990	void	1256	void
991	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1257	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
		1258	ALIAS:
		1259	aio_readlink = EIO_READLINK
		1260	aio_realpath = EIO_REALPATH
992	PPCODE:	1261	PPCODE:
993	{	1262	{
994	SV *data;
995	dREQ;	1263	dREQ;
996		1264
997	req->type = EIO_READLINK;	1265	req->type = ix;
998	req->sv1 = newSVsv (path);	1266	req_set_path1 (req, pathname);
999	req->ptr1 = SvPVbyte_nolen (req->sv1);
1000		1267
1001	REQ_SEND;	1268	REQ_SEND;
1002	}	1269	}
1003		1270
1004	void	1271	void
…		…
1044	aio_statvfs = EIO_STATVFS	1311	aio_statvfs = EIO_STATVFS
1045	PPCODE:	1312	PPCODE:
1046	{	1313	{
1047	dREQ;	1314	dREQ;
1048		1315
1049	req->sv1 = newSVsv (fh_or_path);	1316	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1050
1051	if (SvPOK (req->sv1))
1052	{
1053	req->type = ix;
1054	req->ptr1 = SvPVbyte_nolen (req->sv1);
1055	}
1056	else
1057	{
1058	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1059	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1060	}
1061		1317
1062	REQ_SEND;	1318	REQ_SEND;
1063	}	1319	}
		1320
		1321	UV
		1322	major (UV dev)
		1323	ALIAS:
		1324	minor = 1
		1325	CODE:
		1326	RETVAL = ix ? major (dev) : minor (dev);
		1327	OUTPUT:
		1328	RETVAL
		1329
		1330	UV
		1331	makedev (UV maj, UV min)
		1332	CODE:
		1333	RETVAL = makedev (maj, min);
		1334	OUTPUT:
		1335	RETVAL
1064		1336
1065	void	1337	void
1066	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1338	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1067	PPCODE:	1339	PPCODE:
1068	{	1340	{
1069	dREQ;	1341	dREQ;
1070		1342
1071	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1343	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1072	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1344	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1073	req->sv1 = newSVsv (fh_or_path);	1345	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1074
1075	if (SvPOK (req->sv1))
1076	{
1077	req->type = EIO_UTIME;
1078	req->ptr1 = SvPVbyte_nolen (req->sv1);
1079	}
1080	else
1081	{
1082	req->type = EIO_FUTIME;
1083	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1084	}
1085		1346
1086	REQ_SEND;	1347	REQ_SEND;
1087	}	1348	}
1088		1349
1089	void	1350	void
1090	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1351	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1091	PPCODE:	1352	PPCODE:
1092	{	1353	{
1093	dREQ;	1354	dREQ;
1094		1355
1095	req->sv1 = newSVsv (fh_or_path);
1096	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1356	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1097		1357	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1098	if (SvPOK (req->sv1))
1099	{
1100	req->type = EIO_TRUNCATE;
1101	req->ptr1 = SvPVbyte_nolen (req->sv1);
1102	}
1103	else
1104	{
1105	req->type = EIO_FTRUNCATE;
1106	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1107	}
1108		1358
1109	REQ_SEND;	1359	REQ_SEND;
1110	}	1360	}
1111		1361
1112	void	1362	void
1113	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1363	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1114	ALIAS:
1115	aio_chmod = EIO_CHMOD
1116	aio_mkdir = EIO_MKDIR
1117	PPCODE:	1364	PPCODE:
1118	{	1365	{
1119	dREQ;	1366	dREQ;
1120		1367
1121	req->int2 = mode;	1368	req->int2 = mode;
1122	req->sv1 = newSVsv (fh_or_path);	1369	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1123
1124	if (SvPOK (req->sv1))
1125	{
1126	req->type = ix;
1127	req->ptr1 = SvPVbyte_nolen (req->sv1);
1128	}
1129	else
1130	{
1131	req->type = EIO_FCHMOD;
1132	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1133	}
1134		1370
1135	REQ_SEND;	1371	REQ_SEND;
1136	}	1372	}
1137		1373
1138	void	1374	void
…		…
1141	{	1377	{
1142	dREQ;	1378	dREQ;
1143		1379
1144	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1380	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1145	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1381	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1146	req->sv1 = newSVsv (fh_or_path);	1382	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1147
1148	if (SvPOK (req->sv1))
1149	{
1150	req->type = EIO_CHOWN;
1151	req->ptr1 = SvPVbyte_nolen (req->sv1);
1152	}
1153	else
1154	{
1155	req->type = EIO_FCHOWN;
1156	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1157	}
1158		1383
1159	REQ_SEND;	1384	REQ_SEND;
1160	}	1385	}
1161		1386
1162	void	1387	void
…		…
1164	PPCODE:	1389	PPCODE:
1165	{	1390	{
1166	dREQ;	1391	dREQ;
1167		1392
1168	req->type = EIO_READDIR;	1393	req->type = EIO_READDIR;
1169	req->sv1 = newSVsv (pathname);
1170	req->ptr1 = SvPVbyte_nolen (req->sv1);
1171	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1394	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1172		1395
1173	if (flags & EIO_READDIR_DENTS)	1396	if (flags & EIO_READDIR_DENTS)
1174	req->int1 |= EIO_READDIR_CUSTOM2;	1397	req->int1 |= EIO_READDIR_CUSTOM2;
1175		1398
		1399	req_set_path1 (req, pathname);
		1400
1176	REQ_SEND;	1401	REQ_SEND;
		1402	}
		1403
		1404	void
		1405	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1406	PPCODE:
		1407	{
		1408	dREQ;
		1409
		1410	req->type = EIO_MKDIR;
		1411	req->int2 = mode;
		1412	req_set_path1 (req, pathname);
		1413
		1414	REQ_SEND;
1177	}	1415	}
1178		1416
1179	void	1417	void
1180	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1418	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1181	ALIAS:	1419	ALIAS:
…		…
1185	PPCODE:	1423	PPCODE:
1186	{	1424	{
1187	dREQ;	1425	dREQ;
1188		1426
1189	req->type = ix;	1427	req->type = ix;
1190	req->sv1 = newSVsv (pathname);	1428	req_set_path1 (req, pathname);
1191	req->ptr1 = SvPVbyte_nolen (req->sv1);
1192		1429
1193	REQ_SEND;	1430	REQ_SEND;
1194	}	1431	}
1195		1432
1196	void	1433	void
…		…
1199	aio_link = EIO_LINK	1436	aio_link = EIO_LINK
1200	aio_symlink = EIO_SYMLINK	1437	aio_symlink = EIO_SYMLINK
1201	aio_rename = EIO_RENAME	1438	aio_rename = EIO_RENAME
1202	PPCODE:	1439	PPCODE:
1203	{	1440	{
		1441	eio_wd wd2 = 0;
1204	dREQ;	1442	dREQ;
1205		1443
1206	req->type = ix;	1444	req->type = ix;
1207	req->sv1 = newSVsv (oldpath);	1445	req_set_path1 (req, oldpath);
1208	req->ptr1 = SvPVbyte_nolen (req->sv1);	1446	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1209	req->sv2 = newSVsv (newpath);	1447	req->int3 = (long)wd2;
1210	req->ptr2 = SvPVbyte_nolen (req->sv2);
1211		1448
1212	REQ_SEND;	1449	REQ_SEND;
1213	}	1450	}
1214		1451
1215	void	1452	void
…		…
1217	PPCODE:	1454	PPCODE:
1218	{	1455	{
1219	dREQ;	1456	dREQ;
1220		1457
1221	req->type = EIO_MKNOD;	1458	req->type = EIO_MKNOD;
1222	req->sv1 = newSVsv (pathname);
1223	req->ptr1 = SvPVbyte_nolen (req->sv1);
1224	req->int2 = (mode_t)mode;	1459	req->int2 = (mode_t)mode;
1225	req->offs = dev;	1460	req->offs = dev;
		1461	req_set_path1 (req, pathname);
1226		1462
1227	REQ_SEND;	1463	REQ_SEND;
1228	}	1464	}
1229		1465
1230	void	1466	void
…		…
1297		1533
1298	req->type = EIO_MLOCKALL;	1534	req->type = EIO_MLOCKALL;
1299	req->int1 = flags;	1535	req->int1 = flags;
1300		1536
1301	REQ_SEND;	1537	REQ_SEND;
		1538	}
		1539
		1540	void
		1541	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
		1542	PPCODE:
		1543	{
		1544	int fd = s_fileno_croak (fh, 0);
		1545	dREQ;
		1546
		1547	req->type = EIO_CUSTOM;
		1548	req->sv1 = newSVsv (fh);
		1549	req->int1 = fd;
		1550
		1551	req->feed = fiemap;
		1552	#if HAVE_FIEMAP
		1553	/* keep our fingers crossed that the next two types are 64 bit */
		1554	req->offs = start;
		1555	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1556	req->int2 = flags;
		1557	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1558	#endif
		1559
		1560	REQ_SEND;
1302	}	1561	}
1303		1562
1304	void	1563	void
1305	aio_busy (double delay, SV *callback=&PL_sv_undef)	1564	aio_busy (double delay, SV *callback=&PL_sv_undef)
1306	PPCODE:	1565	PPCODE:
…		…
1430	CODE:	1689	CODE:
1431	RETVAL = posix_fadvise (fh, offset, length, advice);	1690	RETVAL = posix_fadvise (fh, offset, length, advice);
1432	OUTPUT:	1691	OUTPUT:
1433	RETVAL	1692	RETVAL
1434		1693
1435	ssize_t	1694	IV
1436	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1695	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1437	CODE:	1696	CODE:
1438	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1697	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1439	OUTPUT:	1698	OUTPUT:
1440	RETVAL	1699	RETVAL
1441		1700
1442	void	1701	void
1443	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1702	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1444	PPCODE:	1703	PPCODE:
1445	sv_unmagic (scalar, MMAP_MAGIC);	1704	sv_unmagic (scalar, MMAP_MAGIC);
1446	{	1705	{
1447	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1706	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1448	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1707	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1481	ALIAS:	1740	ALIAS:
1482	mprotect = 1	1741	mprotect = 1
1483	CODE:	1742	CODE:
1484	{	1743	{
1485	STRLEN svlen;	1744	STRLEN svlen;
1486	void *addr = SvPVbyte (scalar, svlen);	1745	void *addr = SvPVbyte (scalar, svlen);
1487	size_t len = SvUV (length);	1746	size_t len = SvUV (length);
1488		1747
1489	if (offset < 0)	1748	if (offset < 0)
1490	offset += svlen;	1749	offset += svlen;
1491		1750
…		…
1524	if (!SvOK (length) || len + offset > svlen)	1783	if (!SvOK (length) || len + offset > svlen)
1525	len = svlen - offset;	1784	len = svlen - offset;
1526		1785
1527	addr = (void *)(((intptr_t)addr) + offset);	1786	addr = (void *)(((intptr_t)addr) + offset);
1528	eio_page_align (&addr, &len);	1787	eio_page_align (&addr, &len);
1529	#if _POSIX_MEMLOCK	1788	#if _POSIX_MEMLOCK_RANGE
1530	RETVAL = munlock (addr, len);	1789	RETVAL = munlock (addr, len);
1531	#else	1790	#else
1532	RETVAL = ((errno = ENOSYS), -1);	1791	RETVAL = EIO_ENOSYS ();
1533	#endif	1792	#endif
1534	}	1793	}
1535	OUTPUT:	1794	OUTPUT:
1536	RETVAL	1795	RETVAL
1537		1796
…		…
1539	munlockall ()	1798	munlockall ()
1540	CODE:	1799	CODE:
1541	#if _POSIX_MEMLOCK	1800	#if _POSIX_MEMLOCK
1542	munlockall ();	1801	munlockall ();
1543	#else	1802	#else
1544	RETVAL = -1;	1803	RETVAL = EIO_ENOSYS ();
1545	errno = ENOSYS;
1546	#endif	1804	#endif
1547	OUTPUT:	1805	OUTPUT:
		1806	RETVAL
		1807
		1808	int
		1809	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1810	CODE:
		1811	{
		1812	#if HAVE_LINUX_SPLICE
		1813	loff_t off_in_, off_out_;
		1814	RETVAL = splice (
		1815	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1816	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1817	length, flags
		1818	);
		1819	#else
		1820	RETVAL = EIO_ENOSYS ();
		1821	#endif
		1822	}
		1823	OUTPUT:
		1824	RETVAL
		1825
		1826	int
		1827	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1828	CODE:
		1829	#if HAVE_LINUX_SPLICE
		1830	RETVAL = tee (rfh, wfh, length, flags);
		1831	#else
		1832	RETVAL = EIO_ENOSYS ();
		1833	#endif
		1834	OUTPUT:
1548	RETVAL	1835	RETVAL
1549		1836
1550	void _on_next_submit (SV *cb)	1837	void _on_next_submit (SV *cb)
1551	CODE:	1838	CODE:
1552	SvREFCNT_dec (on_next_submit);	1839	SvREFCNT_dec (on_next_submit);
1553	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1840	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1554		1841
1555	PROTOTYPES: DISABLE	1842	PROTOTYPES: DISABLE
1556		1843
		1844	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1845
		1846	BOOT:
		1847	{
		1848	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1849	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1850	}
		1851
		1852	void
		1853	DESTROY (SV *self)
		1854	CODE:
		1855	{
		1856	aio_wd wd = SvAIO_WD (self);
		1857	#if HAVE_AT
		1858	{
		1859	SV *callback = &PL_sv_undef;
		1860	dREQ; /* clobbers next_pri :/ */
		1861	next_pri = req->pri; /* restore next_pri */
		1862	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1863	req->type = EIO_WD_CLOSE;
		1864	req->wd = wd;
		1865	REQ_SEND;
		1866	}
		1867	#else
		1868	eio_wd_close_sync (wd);
		1869	#endif
		1870	}
		1871
1557	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1872	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1558		1873
1559	void	1874	void
1560	cancel (aio_req_ornot req)	1875	cancel (aio_req_ornot req)
1561	CODE:	1876	CODE:

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