ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.187 by root, Sat Jul 16 16:46:10 2011 UTC vs.
Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		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
24	/* perl namespace pollution */	33	/* perl namespace pollution */
25	#undef VERSION	34	#undef VERSION
26		35
27	/* perl stupidly overrides readdir and maybe others */	36	/* perl stupidly overrides readdir and maybe others */
28	/* with thread-unsafe versions, imagine that :( */	37	/* with thread-unsafe versions, imagine that :( */
…		…
30	#undef opendir	39	#undef opendir
31	#undef closedir	40	#undef closedir
32		41
33	#ifdef _WIN32	42	#ifdef _WIN32
34		43
35	# define EIO_STRUCT_DIRENT Direntry_t
36	# undef malloc
37	# undef free
38
39	// perl overrides all those nice win32 functions	44	// perl overrides all those nice libc functions
		45
		46	#undef malloc
		47	#undef free
40	# undef open	48	#undef open
41	# undef read	49	#undef read
42	# undef write	50	#undef write
43	# undef send	51	#undef send
44	# undef recv	52	#undef recv
		53	#undef stat
45	# undef lstat	54	#undef lstat
		55	#undef fstat
46	# undef truncate	56	#undef truncate
47	# undef ftruncate	57	#undef ftruncate
48	# undef open	58	#undef open
49	# undef link	59	#undef link
50	# undef close	60	#undef close
51	# undef unlink	61	#undef unlink
52	# undef mkdir	62	#undef mkdir
53	# undef rmdir	63	#undef rmdir
54	# undef rename	64	#undef rename
55	# undef lseek	65	#undef lseek
56	# undef opendir	66	#undef opendir
57	# undef readdir	67	#undef readdir
58	# undef closedir	68	#undef closedir
59	# undef chmod	69	#undef chmod
60	# undef fchmod	70	#undef fchmod
		71	#undef dup
		72	#undef dup2
		73	#undef abort
		74	#undef pipe
61		75
62	# define opendir(fd) EIO_ERRNO (ENOSYS, 0)	76	#define EIO_STRUCT_STAT struct _stati64
63	# define readdir(fd) EIO_ENOSYS ()	77	#define EIO_STRUCT_STATI64
64	# define closedir(fd) EIO_ENOSYS ()
65		78
66	#else	79	#else
67		80
68	# include <sys/time.h>	81	#include <sys/time.h>
69	# include <sys/select.h>	82	#include <sys/select.h>
70	# include <unistd.h>	83	#include <unistd.h>
71	# include <utime.h>	84	#include <utime.h>
72	# include <signal.h>	85	#include <signal.h>
73		86
74	#endif
75
76	#define EIO_STRUCT_STAT Stat_t	87	#define EIO_STRUCT_STAT Stat_t
77		88
78	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8
80	# define VAL64 IV
81	# define SvVAL64 SvIV
82	# define newSVval64 newSViv
83	#else
84	# define VAL64 NV
85	# define SvVAL64 SvNV
86	# define newSVval64 newSVnv
87	#endif	89	#endif
88		90
89	/*****************************************************************************/	91	/*****************************************************************************/
90		92
91	#if __GNUC__ >= 3	93	#if __GNUC__ >= 3
…		…
101		103
102	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
103	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
104	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
105		107
106	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
107		109
108	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
109	SV *callback; \	111	SV *callback; \
110	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
		113	SV *sv3, *sv4; \
111	STRLEN stroffset; \	114	STRLEN stroffset; \
112	SV *self;	115	SV *self;
113		116
114	#define EIO_NO_WRAPPERS 1	117	#define EIO_NO_WRAPPERS 1
115		118
116	#include "libeio/config.h"	119	#include "libeio/config.h"
117	#include "libeio/eio.h"	120	#include "libeio/eio.h"
118		121
119	/* Linux/others */	122	static int req_invoke (eio_req *req);
120	#ifndef O_ASYNC	123	#define EIO_FINISH(req) req_invoke (req)
121	# define O_ASYNC 0	124	static void req_destroy (eio_req *grp);
122	#endif	125	#define EIO_DESTROY(req) req_destroy (req)
123	#ifndef O_DIRECT
124	# define O_DIRECT 0
125	#endif
126	#ifndef O_NOATIME
127	# define O_NOATIME 0
128	#endif
129		126
130	/* POSIX */	127	#include "libeio/eio.c"
131	#ifndef O_CLOEXEC
132	# define O_CLOEXEC 0
133	#endif
134	#ifndef O_NOFOLLOW
135	# define O_NOFOLLOW 0
136	#endif
137	#ifndef O_NOCTTY
138	# define O_NOCTTY 0
139	#endif
140	#ifndef O_NONBLOCK
141	# define O_NONBLOCK 0
142	#endif
143	#ifndef O_EXEC
144	# define O_EXEC 0
145	#endif
146	#ifndef O_SEARCH
147	# define O_SEARCH 0
148	#endif
149	#ifndef O_DIRECTORY
150	# define O_DIRECTORY 0
151	#endif
152	#ifndef O_DSYNC
153	# define O_DSYNC 0
154	#endif
155	#ifndef O_RSYNC
156	# define O_RSYNC 0
157	#endif
158	#ifndef O_SYNC
159	# define O_SYNC 0
160	#endif
161	#ifndef O_TTY_INIT
162	# define O_TTY_INIT 0
163	#endif
164
165	#ifndef POSIX_FADV_NORMAL
166	# define POSIX_FADV_NORMAL 0
167	#endif
168	#ifndef POSIX_FADV_SEQUENTIAL
169	# define POSIX_FADV_SEQUENTIAL 0
170	#endif
171	#ifndef POSIX_FADV_RANDOM
172	# define POSIX_FADV_RANDOM 0
173	#endif
174	#ifndef POSIX_FADV_NOREUSE
175	# define POSIX_FADV_NOREUSE 0
176	#endif
177	#ifndef POSIX_FADV_WILLNEED
178	# define POSIX_FADV_WILLNEED 0
179	#endif
180	#ifndef POSIX_FADV_DONTNEED
181	# define POSIX_FADV_DONTNEED 0
182	#endif
183		128
184	#if !HAVE_POSIX_FADVISE	129	#if !HAVE_POSIX_FADVISE
185	# 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 */
186	#endif	131	#endif
187		132
188	#ifndef POSIX_MADV_NORMAL
189	# define POSIX_MADV_NORMAL 0
190	#endif
191	#ifndef POSIX_MADV_SEQUENTIAL
192	# define POSIX_MADV_SEQUENTIAL 0
193	#endif
194	#ifndef POSIX_MADV_RANDOM
195	# define POSIX_MADV_RANDOM 0
196	#endif
197	#ifndef POSIX_MADV_WILLNEED
198	# define POSIX_MADV_WILLNEED 0
199	#endif
200	#ifndef POSIX_MADV_DONTNEED
201	# define POSIX_MADV_DONTNEED 0
202	#endif
203
204	#if !HAVE_POSIX_MADVISE	133	#if !HAVE_POSIX_MADVISE
205	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	134	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
206	#endif
207
208	#ifndef PROT_NONE
209	# define PROT_NONE 0
210	#endif
211	#ifndef PROT_READ
212	# define PROT_READ 0
213	#endif
214	#ifndef PROT_WRITE
215	# define PROT_READ 0
216	#endif
217	#ifndef PROT_EXEC
218	# define PROT_EXEC 0
219	#endif
220
221	#ifndef ST_RDONLY
222	# define ST_RDONLY 0
223	#endif
224	#ifndef ST_NOSUID
225	# define ST_NOSUID 0
226	#endif
227	#ifndef ST_NODEV
228	# define ST_NODEV 0
229	#endif
230	#ifndef ST_NOEXEC
231	# define ST_NOEXEC 0
232	#endif
233	#ifndef ST_SYNCHRONOUS
234	# define ST_SYNCHRONOUS 0
235	#endif
236	#ifndef ST_MANDLOCK
237	# define ST_MANDLOCK 0
238	#endif
239	#ifndef ST_WRITE
240	# define ST_WRITE 0
241	#endif
242	#ifndef ST_APPEND
243	# define ST_APPEND 0
244	#endif
245	#ifndef ST_IMMUTABLE
246	# define ST_IMMUTABLE 0
247	#endif
248	#ifndef ST_NOATIME
249	# define ST_NOATIME 0
250	#endif
251	#ifndef ST_NODIRATIME
252	# define ST_NODIRATIME 0
253	#endif
254	#ifndef ST_RELATIME
255	# define ST_RELATIME 0
256	#endif
257
258	#ifndef S_IFIFO
259	# define S_IFIFO 0
260	#endif
261	#ifndef S_IFCHR
262	# define S_IFCHR 0
263	#endif
264	#ifndef S_IFBLK
265	# define S_IFBLK 0
266	#endif
267	#ifndef S_IFLNK
268	# define S_IFLNK 0
269	#endif
270	#ifndef S_IFREG
271	# define S_IFREG 0
272	#endif
273	#ifndef S_IFDIR
274	# define S_IFDIR 0
275	#endif
276	#ifndef S_IFWHT
277	# define S_IFWHT 0
278	#endif
279	#ifndef S_IFSOCK
280	# define S_IFSOCK 0
281	#endif	135	#endif
282		136
283	#ifndef MAP_ANONYMOUS	137	#ifndef MAP_ANONYMOUS
284	# ifdef MAP_ANON	138	# ifdef MAP_ANON
285	# define MAP_ANONYMOUS MAP_ANON	139	# define MAP_ANONYMOUS MAP_ANON
286	# else	140	# else
287	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
288	# endif	142	# endif
289	#endif	143	#endif
290	#ifndef MAP_HUGETLB	144
291	# define MAP_HUGETLB 0	145	/* defines all sorts of constants to 0 unless they are already defined */
292	#endif	146	#include "def0.h"
293	#ifndef MAP_LOCKED
294	# define MAP_LOCKED 0
295	#endif
296	#ifndef MAP_NORESERVE
297	# define MAP_NORESERVE 0
298	#endif
299	#ifndef MAP_POPULATE
300	# define MAP_POPULATE 0
301	#endif
302	#ifndef MAP_NONBLOCK
303	# define MAP_NONBLOCK 0
304	#endif
305		147
306	#ifndef makedev	148	#ifndef makedev
307	# define makedev(maj,min) (((maj) << 8) | (min))	149	# define makedev(maj,min) (((maj) << 8) | (min))
308	#endif	150	#endif
309	#ifndef major	151	#ifndef major
…		…
315		157
316	#ifndef PAGESIZE	158	#ifndef PAGESIZE
317	# define PAGESIZE sysconf (_SC_PAGESIZE)	159	# define PAGESIZE sysconf (_SC_PAGESIZE)
318	#endif	160	#endif
319		161
320	static int req_invoke (eio_req *req);	162	/*****************************************************************************/
321	#define EIO_FINISH(req) req_invoke (req)	163
322	static void req_destroy (eio_req *grp);	164	static void
323	#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	/*****************************************************************************/
324		228
325	enum {	229	enum {
326	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	230	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
327	};	231	};
328		232
329	#include "libeio/eio.c"
330
331	typedef eio_req *aio_req;	233	typedef eio_req *aio_req;
332	typedef eio_req *aio_req_ornot;	234	typedef eio_req *aio_req_ornot;
		235	typedef eio_wd aio_wd;
333		236
334	static SV *on_next_submit;	237	static SV *on_next_submit;
335	static int next_pri = EIO_PRI_DEFAULT;	238	static int next_pri = EIO_PRI_DEFAULT;
336	static int max_outstanding;	239	static int max_outstanding;
337		240
338	static s_epipe respipe;	241	static s_epipe respipe;
339		242
340	static void req_destroy (aio_req req);	243	static void req_destroy (aio_req req);
341	static void req_cancel (aio_req req);	244	static void req_cancel (aio_req req);
342		245
343	static void want_poll (void)	246	static void
		247	want_poll (void)
344	{	248	{
345	/* write a dummy byte to the pipe so fh becomes ready */	249	/* write a dummy byte to the pipe so fh becomes ready */
346	s_epipe_signal (&respipe);	250	s_epipe_signal (&respipe);
347	}	251	}
348		252
349	static void done_poll (void)	253	static void
		254	done_poll (void)
350	{	255	{
351	/* read any signals sent by the worker threads */	256	/* read any signals sent by the worker threads */
352	s_epipe_drain (&respipe);	257	s_epipe_drain (&respipe);
353	}	258	}
354		259
355	/* must be called at most once */	260	/* must be called at most once */
		261	static SV *
356	static SV *req_sv (aio_req req, HV *stash)	262	req_sv (aio_req req, HV *stash)
357	{	263	{
358	if (!req->self)	264	if (!req->self)
359	{	265	{
360	req->self = (SV *)newHV ();	266	req->self = (SV *)newHV ();
361	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	267	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
362	}	268	}
363		269
364	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	270	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
365	}	271	}
366		272
367	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)
368	{	281	{
369	MAGIC *mg;	282	MAGIC *mg;
370		283
371	if (!SvROK (sv)	284	if (!SvROK (sv)
		285	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
372	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	286	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
373	&& SvSTASH (SvRV (sv)) != aio_req_stash	287	&& SvSTASH (SvRV (sv)) != aio_req_stash
374	&& !sv_derived_from (sv, "IO::AIO::REQ")))	288	&& !sv_derived_from (sv, "IO::AIO::REQ")))
375	croak ("object of class IO::AIO::REQ expected");	289	croak ("object of class IO::AIO::REQ expected");
376		290
377	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	291	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
378		292
379	return mg ? (aio_req)mg->mg_ptr : 0;	293	return mg ? (aio_req)mg->mg_ptr : 0;
380	}	294	}
381		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
382	static void aio_grp_feed (aio_req grp)	308	aio_grp_feed (aio_req grp)
383	{	309	{
384	if (grp->sv2 && SvOK (grp->sv2))	310	if (grp->sv2 && SvOK (grp->sv2))
385	{	311	{
386	dSP;	312	dSP;
387		313
…		…
395	FREETMPS;	321	FREETMPS;
396	LEAVE;	322	LEAVE;
397	}	323	}
398	}	324	}
399		325
		326	static void
400	static void req_submit (eio_req *req)	327	req_submit (eio_req *req)
401	{	328	{
402	eio_submit (req);	329	eio_submit (req);
403		330
404	if (expect_false (on_next_submit))	331	if (expect_false (on_next_submit))
405	{	332	{
…		…
412	PUTBACK;	339	PUTBACK;
413	call_sv (cb, G_DISCARD | G_EVAL);	340	call_sv (cb, G_DISCARD | G_EVAL);
414	}	341	}
415	}	342	}
416		343
		344	static int
417	static int req_invoke (eio_req *req)	345	req_invoke (eio_req *req)
418	{	346	{
419	if (req->flags & FLAG_SV2_RO_OFF)	347	if (req->flags & FLAG_SV2_RO_OFF)
420	SvREADONLY_off (req->sv2);	348	SvREADONLY_off (req->sv2);
421		349
422	if (!EIO_CANCELLED (req) && req->callback)	350	if (!EIO_CANCELLED (req) && req->callback)
…		…
443	SvREADONLY_on (sv_result);	371	SvREADONLY_on (sv_result);
444	}	372	}
445		373
446	switch (req->type)	374	switch (req->type)
447	{	375	{
		376	case EIO_WD_OPEN:
		377	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		378	break;
		379
448	case EIO_READDIR:	380	case EIO_READDIR:
449	{	381	{
450	SV *rv = &PL_sv_undef;	382	SV *rv = &PL_sv_undef;
451		383
452	if (req->result >= 0)	384	if (req->result >= 0)
…		…
594	break;	526	break;
595		527
596	case EIO_STAT:	528	case EIO_STAT:
597	case EIO_LSTAT:	529	case EIO_LSTAT:
598	case EIO_FSTAT:	530	case EIO_FSTAT:
599	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	531	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		532
600	PL_laststatval = req->result;	533	if (!(PL_laststatval = req->result))
		534	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
601	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	535	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		536
602	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)));
603	break;	542	break;
604		543
605	case EIO_READ:	544	case EIO_READ:
606	{	545	{
607	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));
…		…
610	SvSETMAGIC (req->sv2);	549	SvSETMAGIC (req->sv2);
611	PUSHs (sv_result);	550	PUSHs (sv_result);
612	}	551	}
613	break;	552	break;
614		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
615	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	594	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
616	if (req->result > 0)	595	if (req->result > 0)
617	SvIV_set (sv_result, 0);	596	SvIV_set (sv_result, 0);
618	/* FALLTHROUGH */	597	/* FALLTHROUGH */
619		598
…		…
640	}	619	}
641		620
642	return !!SvTRUE (ERRSV);	621	return !!SvTRUE (ERRSV);
643	}	622	}
644		623
		624	static void
645	static void req_destroy (aio_req req)	625	req_destroy (aio_req req)
646	{	626	{
647	if (req->self)	627	if (req->self)
648	{	628	{
649	sv_unmagic (req->self, PERL_MAGIC_ext);	629	sv_unmagic (req->self, PERL_MAGIC_ext);
650	SvREFCNT_dec (req->self);	630	SvREFCNT_dec (req->self);
651	}	631	}
652		632
653	SvREFCNT_dec (req->sv1);	633	SvREFCNT_dec (req->sv1);
654	SvREFCNT_dec (req->sv2);	634	SvREFCNT_dec (req->sv2);
		635	SvREFCNT_dec (req->sv3);
		636	SvREFCNT_dec (req->sv4);
655	SvREFCNT_dec (req->callback);	637	SvREFCNT_dec (req->callback);
656		638
657	Safefree (req);	639	free (req);
658	}	640	}
659		641
		642	static void
660	static void req_cancel_subs (aio_req grp)	643	req_cancel_subs (aio_req grp)
661	{	644	{
662	aio_req sub;
663
664	if (grp->type != EIO_GROUP)	645	if (grp->type != EIO_GROUP)
665	return;	646	return;
666		647
667	SvREFCNT_dec (grp->sv2);	648	SvREFCNT_dec (grp->sv2);
668	grp->sv2 = 0;	649	grp->sv2 = 0;
669		650
670	eio_grp_cancel (grp);	651	eio_grp_cancel (grp);
671	}	652	}
672		653
		654	static void ecb_cold
673	static void create_respipe (void)	655	create_respipe (void)
674	{	656	{
675	if (s_epipe_renew (&respipe))	657	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	658	croak ("IO::AIO: unable to initialize result pipe");
677	}	659	}
678		660
679	static void poll_wait (void)	661	static void
		662	poll_wait (void)
680	{	663	{
681	while (eio_nreqs ())	664	while (eio_nreqs ())
682	{	665	{
683	int size;	666	int size;
684		667
…		…
693		676
694	s_epipe_wait (&respipe);	677	s_epipe_wait (&respipe);
695	}	678	}
696	}	679	}
697		680
698	static int poll_cb (void)	681	static int
		682	poll_cb (void)
699	{	683	{
700	for (;;)	684	for (;;)
701	{	685	{
702	int res = eio_poll ();	686	int res = eio_poll ();
703		687
…		…
709		693
710	poll_wait ();	694	poll_wait ();
711	}	695	}
712	}	696	}
713		697
714	static void atfork_child (void)	698	static void ecb_cold
		699	reinit (void)
715	{	700	{
716	create_respipe ();	701	create_respipe ();
		702
		703	if (eio_init (want_poll, done_poll) < 0)
		704	croak ("IO::AIO: unable to initialise eio library");
717	}	705	}
718		706
719	/*****************************************************************************/	707	/*****************************************************************************/
720		708
721	#if !_POSIX_MAPPED_FILES	709	#if !_POSIX_MAPPED_FILES
722	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	710	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
723	# define munmap(addr,length) (errno = ENOSYS, -1)	711	# define munmap(addr,length) EIO_ENOSYS ()
724	#endif	712	#endif
725		713
726	#if !_POSIX_MEMORY_PROTECTION	714	#if !_POSIX_MEMORY_PROTECTION
727	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	715	# define mprotect(addr,len,prot) EIO_ENOSYS ()
728	# define PROT_NONE 0	716	# define PROT_NONE 0
729	# define PROT_WRITE 0	717	# define PROT_WRITE 0
730	# define MAP_PRIVATE 0	718	# define MAP_PRIVATE 0
731	# define MAP_SHARED 0	719	# define MAP_SHARED 0
732	# define MAP_FIXED 0	720	# define MAP_FIXED 0
733	#endif	721	#endif
734		722
735	#define MMAP_MAGIC PERL_MAGIC_ext	723	#define MMAP_MAGIC PERL_MAGIC_ext
736		724
		725	static int ecb_cold
737	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)	726	mmap_free (pTHX_ SV *sv, MAGIC *mg)
738	{	727	{
739	int old_errno = errno;	728	int old_errno = errno;
740	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	729	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741	errno = old_errno;	730	errno = old_errno;
742		731
…		…
758	0, 0, 0, 0, mmap_free	747	0, 0, 0, 0, mmap_free
759	};	748	};
760		749
761	/*****************************************************************************/	750	/*****************************************************************************/
762		751
		752	static SV *
763	static SV * get_cb (SV *cb_sv)	753	get_cb (SV *cb_sv)
764	{	754	{
765	SvGETMAGIC (cb_sv);	755	SvGETMAGIC (cb_sv);
766	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	756	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
767	}	757	}
768		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
769	#define dREQ \	779	#define dREQ \
770	SV *cb_cv; \	780	aio_req req = dreq (callback); \
771	aio_req req; \
772	int req_pri = next_pri; \
773	next_pri = EIO_PRI_DEFAULT; \
774	\
775	cb_cv = get_cb (callback); \
776	\
777	Newz (0, req, 1, eio_req); \
778	if (!req) \
779	croak ("out of memory during eio_req allocation"); \
780	\
781	req->callback = SvREFCNT_inc (cb_cv); \
782	req->pri = req_pri
783		781
784	#define REQ_SEND \	782	#define REQ_SEND \
785	PUTBACK; \	783	PUTBACK; \
786	req_submit (req); \	784	req_submit (req); \
787	SPAGAIN; \	785	SPAGAIN; \
788	\	786	\
789	if (GIMME_V != G_VOID) \	787	if (GIMME_V != G_VOID) \
790	XPUSHs (req_sv (req, aio_req_stash));	788	XPUSHs (req_sv (req, aio_req_stash));
791		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
792	MODULE = IO::AIO PACKAGE = IO::AIO	856	MODULE = IO::AIO PACKAGE = IO::AIO
793		857
794	PROTOTYPES: ENABLE	858	PROTOTYPES: ENABLE
795		859
796	BOOT:	860	BOOT:
…		…
800	IV iv;	864	IV iv;
801	} *civ, const_iv[] = {	865	} *civ, const_iv[] = {
802	# define const_niv(name, value) { # name, (IV) value },	866	# define const_niv(name, value) { # name, (IV) value },
803	# define const_iv(name) { # name, (IV) name },	867	# define const_iv(name) { # name, (IV) name },
804	# 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)
805	const_iv (EXDEV)	873	const_iv (EXDEV)
806	const_iv (ENOSYS)	874	const_iv (EBADR)
		875
807	const_iv (O_RDONLY)	876	const_iv (O_RDONLY)
808	const_iv (O_WRONLY)	877	const_iv (O_WRONLY)
809	const_iv (O_RDWR)	878	const_iv (O_RDWR)
810	const_iv (O_CREAT)	879	const_iv (O_CREAT)
811	const_iv (O_TRUNC)	880	const_iv (O_TRUNC)
…		…
879	const_iv (MAP_LOCKED)	948	const_iv (MAP_LOCKED)
880	const_iv (MAP_NORESERVE)	949	const_iv (MAP_NORESERVE)
881	const_iv (MAP_POPULATE)	950	const_iv (MAP_POPULATE)
882	const_iv (MAP_NONBLOCK)	951	const_iv (MAP_NONBLOCK)
883		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
884	const_eio (MCL_FUTURE)	981	const_eio (MCL_FUTURE)
885	const_eio (MCL_CURRENT)	982	const_eio (MCL_CURRENT)
886		983
887	const_eio (MS_ASYNC)	984	const_eio (MS_ASYNC)
888	const_eio (MS_INVALIDATE)	985	const_eio (MS_INVALIDATE)
…		…
893	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	990	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
894	const_eio (SYNC_FILE_RANGE_WRITE)	991	const_eio (SYNC_FILE_RANGE_WRITE)
895	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	992	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
896		993
897	const_eio (FALLOC_FL_KEEP_SIZE)	994	const_eio (FALLOC_FL_KEEP_SIZE)
		995	const_eio (FALLOC_FL_PUNCH_HOLE)
898		996
899	const_eio (READDIR_DENTS)	997	const_eio (READDIR_DENTS)
900	const_eio (READDIR_DIRS_FIRST)	998	const_eio (READDIR_DIRS_FIRST)
901	const_eio (READDIR_STAT_ORDER)	999	const_eio (READDIR_STAT_ORDER)
902	const_eio (READDIR_FOUND_UNKNOWN)	1000	const_eio (READDIR_FOUND_UNKNOWN)
…		…
913	};	1011	};
914		1012
915	aio_stash = gv_stashpv ("IO::AIO" , 1);	1013	aio_stash = gv_stashpv ("IO::AIO" , 1);
916	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1014	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917	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);
918		1017
919	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--)
920	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1019	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921		1020
922	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1021	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923		1022
924	create_respipe ();	1023	reinit ();
925
926	if (eio_init (want_poll, done_poll) < 0)
927	croak ("IO::AIO: unable to initialise eio library");
928
929	/* atfork child called in fifo order, so before eio's handler */
930	X_THREAD_ATFORK (0, 0, atfork_child);
931	}	1024	}
		1025
		1026	void
		1027	reinit ()
		1028	PROTOTYPE:
932		1029
933	void	1030	void
934	max_poll_reqs (unsigned int nreqs)	1031	max_poll_reqs (unsigned int nreqs)
935	PROTOTYPE: $	1032	PROTOTYPE: $
936	CODE:	1033	CODE:
…		…
971	PROTOTYPE: $	1068	PROTOTYPE: $
972	CODE:	1069	CODE:
973	max_outstanding = maxreqs;	1070	max_outstanding = maxreqs;
974		1071
975	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
976	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)
977	PPCODE:	1086	PPCODE:
978	{	1087	{
979	dREQ;	1088	dREQ;
980		1089
981	req->type = EIO_OPEN;	1090	req->type = EIO_OPEN;
982	req->sv1 = newSVsv (pathname);	1091	req_set_path1 (req, pathname);
983	req->ptr1 = SvPVbyte_nolen (req->sv1);
984	req->int1 = flags;	1092	req->int1 = flags;
985	req->int2 = mode;	1093	req->int2 = mode;
986		1094
987	REQ_SEND;	1095	REQ_SEND;
988	}	1096	}
…		…
990	void	1098	void
991	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1099	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
992	ALIAS:	1100	ALIAS:
993	aio_fsync = EIO_FSYNC	1101	aio_fsync = EIO_FSYNC
994	aio_fdatasync = EIO_FDATASYNC	1102	aio_fdatasync = EIO_FDATASYNC
		1103	aio_syncfs = EIO_SYNCFS
995	PPCODE:	1104	PPCODE:
996	{	1105	{
997	int fd = s_fileno_croak (fh, 0);	1106	int fd = s_fileno_croak (fh, 0);
998	dREQ;	1107	dREQ;
999		1108
1000	req->type = ix;	1109	req->type = ix;
1001	req->sv1 = newSVsv (fh);	1110	req->sv1 = newSVsv (fh);
1002	req->int1 = fd;	1111	req->int1 = fd;
1003		1112
1004	REQ_SEND (req);	1113	REQ_SEND;
1005	}	1114	}
1006		1115
1007	void	1116	void
1008	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)
1009	PPCODE:	1118	PPCODE:
…		…
1016	req->int1 = fd;	1125	req->int1 = fd;
1017	req->offs = offset;	1126	req->offs = offset;
1018	req->size = nbytes;	1127	req->size = nbytes;
1019	req->int2 = flags;	1128	req->int2 = flags;
1020		1129
1021	REQ_SEND (req);	1130	REQ_SEND;
1022	}	1131	}
1023		1132
1024	void	1133	void
1025	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1134	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1026	PPCODE:	1135	PPCODE:
…		…
1033	req->int1 = fd;	1142	req->int1 = fd;
1034	req->int2 = mode;	1143	req->int2 = mode;
1035	req->offs = offset;	1144	req->offs = offset;
1036	req->size = len;	1145	req->size = len;
1037		1146
1038	REQ_SEND (req);	1147	REQ_SEND;
1039	}	1148	}
1040		1149
1041	void	1150	void
1042	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1151	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1043	PPCODE:	1152	PPCODE:
…		…
1046	int fd = s_fileno_croak (fh, 0);	1155	int fd = s_fileno_croak (fh, 0);
1047	dREQ;	1156	dREQ;
1048		1157
1049	if (expect_false (close_fd < 0))	1158	if (expect_false (close_fd < 0))
1050	{	1159	{
		1160	int pipefd [2];
		1161
		1162	if (
1051	#ifdef _WIN32	1163	#ifdef _WIN32
1052	close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0);	1164	_pipe (pipefd, 1, _O_BINARY) < 0
1053	#else	1165	#else
1054	int pipefd [2];
1055
1056	if (pipe (pipefd) < 0	1166	pipe (pipefd) < 0
1057	|| close (pipefd [1]) < 0
1058	|| 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	)
1059	abort (); /*D*/	1171	abort (); /*D*/
1060		1172
1061	close_fd = pipefd [0];	1173	close_fd = pipefd [0];
1062	#endif
1063	}	1174	}
1064		1175
1065	req->type = EIO_DUP2;	1176	req->type = EIO_DUP2;
1066	req->int1 = close_fd;	1177	req->int1 = close_fd;
1067	req->sv2 = newSVsv (fh);	1178	req->sv2 = newSVsv (fh);
1068	req->int2 = fd;	1179	req->int2 = fd;
1069		1180
1070	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;
1071	}	1198	}
1072		1199
1073	void	1200	void
1074	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)
1075	ALIAS:	1202	ALIAS:
…		…
1096	}	1223	}
1097	else	1224	else
1098	{	1225	{
1099	/* read: check type and grow scalar as necessary */	1226	/* read: check type and grow scalar as necessary */
1100	SvUPGRADE (data, SVt_PV);	1227	SvUPGRADE (data, SVt_PV);
		1228	if (SvLEN (data) >= SvCUR (data))
1101	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");
1102	}	1232	}
1103		1233
1104	{	1234	{
1105	dREQ;	1235	dREQ;
1106		1236
…		…
1122	REQ_SEND;	1252	REQ_SEND;
1123	}	1253	}
1124	}	1254	}
1125		1255
1126	void	1256	void
1127	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1257	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1128	ALIAS:	1258	ALIAS:
1129	aio_readlink = EIO_READLINK	1259	aio_readlink = EIO_READLINK
1130	aio_realpath = EIO_REALPATH	1260	aio_realpath = EIO_REALPATH
1131	PPCODE:	1261	PPCODE:
1132	{	1262	{
1133	SV *data;
1134	dREQ;	1263	dREQ;
1135		1264
1136	req->type = ix;	1265	req->type = ix;
1137	req->sv1 = newSVsv (path);	1266	req_set_path1 (req, pathname);
1138	req->ptr1 = SvPVbyte_nolen (req->sv1);
1139		1267
1140	REQ_SEND;	1268	REQ_SEND;
1141	}	1269	}
1142		1270
1143	void	1271	void
…		…
1183	aio_statvfs = EIO_STATVFS	1311	aio_statvfs = EIO_STATVFS
1184	PPCODE:	1312	PPCODE:
1185	{	1313	{
1186	dREQ;	1314	dREQ;
1187		1315
1188	req->sv1 = newSVsv (fh_or_path);	1316	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1189
1190	if (SvPOK (req->sv1))
1191	{
1192	req->type = ix;
1193	req->ptr1 = SvPVbyte_nolen (req->sv1);
1194	}
1195	else
1196	{
1197	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1198	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1199	}
1200		1317
1201	REQ_SEND;	1318	REQ_SEND;
1202	}	1319	}
1203		1320
1204	UV	1321	UV
…		…
1223	{	1340	{
1224	dREQ;	1341	dREQ;
1225		1342
1226	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1343	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1227	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1344	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1228	req->sv1 = newSVsv (fh_or_path);	1345	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1229
1230	if (SvPOK (req->sv1))
1231	{
1232	req->type = EIO_UTIME;
1233	req->ptr1 = SvPVbyte_nolen (req->sv1);
1234	}
1235	else
1236	{
1237	req->type = EIO_FUTIME;
1238	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1239	}
1240		1346
1241	REQ_SEND;	1347	REQ_SEND;
1242	}	1348	}
1243		1349
1244	void	1350	void
1245	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)
1246	PPCODE:	1352	PPCODE:
1247	{	1353	{
1248	dREQ;	1354	dREQ;
1249		1355
1250	req->sv1 = newSVsv (fh_or_path);
1251	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1356	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1252		1357	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1253	if (SvPOK (req->sv1))
1254	{
1255	req->type = EIO_TRUNCATE;
1256	req->ptr1 = SvPVbyte_nolen (req->sv1);
1257	}
1258	else
1259	{
1260	req->type = EIO_FTRUNCATE;
1261	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1262	}
1263		1358
1264	REQ_SEND;	1359	REQ_SEND;
1265	}	1360	}
1266		1361
1267	void	1362	void
1268	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)
1269	ALIAS:
1270	aio_chmod = EIO_CHMOD
1271	aio_mkdir = EIO_MKDIR
1272	PPCODE:	1364	PPCODE:
1273	{	1365	{
1274	dREQ;	1366	dREQ;
1275		1367
1276	req->int2 = mode;	1368	req->int2 = mode;
1277	req->sv1 = newSVsv (fh_or_path);	1369	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1278
1279	if (SvPOK (req->sv1))
1280	{
1281	req->type = ix;
1282	req->ptr1 = SvPVbyte_nolen (req->sv1);
1283	}
1284	else
1285	{
1286	req->type = EIO_FCHMOD;
1287	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1288	}
1289		1370
1290	REQ_SEND;	1371	REQ_SEND;
1291	}	1372	}
1292		1373
1293	void	1374	void
…		…
1296	{	1377	{
1297	dREQ;	1378	dREQ;
1298		1379
1299	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1380	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1300	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1381	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1301	req->sv1 = newSVsv (fh_or_path);	1382	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1302
1303	if (SvPOK (req->sv1))
1304	{
1305	req->type = EIO_CHOWN;
1306	req->ptr1 = SvPVbyte_nolen (req->sv1);
1307	}
1308	else
1309	{
1310	req->type = EIO_FCHOWN;
1311	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1312	}
1313		1383
1314	REQ_SEND;	1384	REQ_SEND;
1315	}	1385	}
1316		1386
1317	void	1387	void
…		…
1319	PPCODE:	1389	PPCODE:
1320	{	1390	{
1321	dREQ;	1391	dREQ;
1322		1392
1323	req->type = EIO_READDIR;	1393	req->type = EIO_READDIR;
1324	req->sv1 = newSVsv (pathname);
1325	req->ptr1 = SvPVbyte_nolen (req->sv1);
1326	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1394	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1327		1395
1328	if (flags & EIO_READDIR_DENTS)	1396	if (flags & EIO_READDIR_DENTS)
1329	req->int1 |= EIO_READDIR_CUSTOM2;	1397	req->int1 |= EIO_READDIR_CUSTOM2;
1330		1398
		1399	req_set_path1 (req, pathname);
		1400
1331	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;
1332	}	1415	}
1333		1416
1334	void	1417	void
1335	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1418	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1336	ALIAS:	1419	ALIAS:
…		…
1340	PPCODE:	1423	PPCODE:
1341	{	1424	{
1342	dREQ;	1425	dREQ;
1343		1426
1344	req->type = ix;	1427	req->type = ix;
1345	req->sv1 = newSVsv (pathname);	1428	req_set_path1 (req, pathname);
1346	req->ptr1 = SvPVbyte_nolen (req->sv1);
1347		1429
1348	REQ_SEND;	1430	REQ_SEND;
1349	}	1431	}
1350		1432
1351	void	1433	void
…		…
1354	aio_link = EIO_LINK	1436	aio_link = EIO_LINK
1355	aio_symlink = EIO_SYMLINK	1437	aio_symlink = EIO_SYMLINK
1356	aio_rename = EIO_RENAME	1438	aio_rename = EIO_RENAME
1357	PPCODE:	1439	PPCODE:
1358	{	1440	{
		1441	eio_wd wd2 = 0;
1359	dREQ;	1442	dREQ;
1360		1443
1361	req->type = ix;	1444	req->type = ix;
1362	req->sv1 = newSVsv (oldpath);	1445	req_set_path1 (req, oldpath);
1363	req->ptr1 = SvPVbyte_nolen (req->sv1);	1446	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1364	req->sv2 = newSVsv (newpath);	1447	req->int3 = (long)wd2;
1365	req->ptr2 = SvPVbyte_nolen (req->sv2);
1366		1448
1367	REQ_SEND;	1449	REQ_SEND;
1368	}	1450	}
1369		1451
1370	void	1452	void
…		…
1372	PPCODE:	1454	PPCODE:
1373	{	1455	{
1374	dREQ;	1456	dREQ;
1375		1457
1376	req->type = EIO_MKNOD;	1458	req->type = EIO_MKNOD;
1377	req->sv1 = newSVsv (pathname);
1378	req->ptr1 = SvPVbyte_nolen (req->sv1);
1379	req->int2 = (mode_t)mode;	1459	req->int2 = (mode_t)mode;
1380	req->offs = dev;	1460	req->offs = dev;
		1461	req_set_path1 (req, pathname);
1381		1462
1382	REQ_SEND;	1463	REQ_SEND;
1383	}	1464	}
1384		1465
1385	void	1466	void
…		…
1452		1533
1453	req->type = EIO_MLOCKALL;	1534	req->type = EIO_MLOCKALL;
1454	req->int1 = flags;	1535	req->int1 = flags;
1455		1536
1456	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;
1457	}	1561	}
1458		1562
1459	void	1563	void
1460	aio_busy (double delay, SV *callback=&PL_sv_undef)	1564	aio_busy (double delay, SV *callback=&PL_sv_undef)
1461	PPCODE:	1565	PPCODE:
…		…
1585	CODE:	1689	CODE:
1586	RETVAL = posix_fadvise (fh, offset, length, advice);	1690	RETVAL = posix_fadvise (fh, offset, length, advice);
1587	OUTPUT:	1691	OUTPUT:
1588	RETVAL	1692	RETVAL
1589		1693
1590	ssize_t	1694	IV
1591	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)
1592	CODE:	1696	CODE:
1593	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1697	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1594	OUTPUT:	1698	OUTPUT:
1595	RETVAL	1699	RETVAL
1596		1700
1597	void	1701	void
1598	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)
1599	PPCODE:	1703	PPCODE:
1600	sv_unmagic (scalar, MMAP_MAGIC);	1704	sv_unmagic (scalar, MMAP_MAGIC);
1601	{	1705	{
1602	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;
1603	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1707	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1636	ALIAS:	1740	ALIAS:
1637	mprotect = 1	1741	mprotect = 1
1638	CODE:	1742	CODE:
1639	{	1743	{
1640	STRLEN svlen;	1744	STRLEN svlen;
1641	void *addr = SvPVbyte (scalar, svlen);	1745	void *addr = SvPVbyte (scalar, svlen);
1642	size_t len = SvUV (length);	1746	size_t len = SvUV (length);
1643		1747
1644	if (offset < 0)	1748	if (offset < 0)
1645	offset += svlen;	1749	offset += svlen;
1646		1750
…		…
1682	addr = (void *)(((intptr_t)addr) + offset);	1786	addr = (void *)(((intptr_t)addr) + offset);
1683	eio_page_align (&addr, &len);	1787	eio_page_align (&addr, &len);
1684	#if _POSIX_MEMLOCK_RANGE	1788	#if _POSIX_MEMLOCK_RANGE
1685	RETVAL = munlock (addr, len);	1789	RETVAL = munlock (addr, len);
1686	#else	1790	#else
1687	RETVAL = ((errno = ENOSYS), -1);	1791	RETVAL = EIO_ENOSYS ();
1688	#endif	1792	#endif
1689	}	1793	}
1690	OUTPUT:	1794	OUTPUT:
1691	RETVAL	1795	RETVAL
1692		1796
…		…
1694	munlockall ()	1798	munlockall ()
1695	CODE:	1799	CODE:
1696	#if _POSIX_MEMLOCK	1800	#if _POSIX_MEMLOCK
1697	munlockall ();	1801	munlockall ();
1698	#else	1802	#else
1699	RETVAL = -1;	1803	RETVAL = EIO_ENOSYS ();
1700	errno = ENOSYS;
1701	#endif	1804	#endif
1702	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:
1703	RETVAL	1835	RETVAL
1704		1836
1705	void _on_next_submit (SV *cb)	1837	void _on_next_submit (SV *cb)
1706	CODE:	1838	CODE:
1707	SvREFCNT_dec (on_next_submit);	1839	SvREFCNT_dec (on_next_submit);
1708	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1840	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1709		1841
1710	PROTOTYPES: DISABLE	1842	PROTOTYPES: DISABLE
1711		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
1712	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1872	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1713		1873
1714	void	1874	void
1715	cancel (aio_req_ornot req)	1875	cancel (aio_req_ornot req)
1716	CODE:	1876	CODE:

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines