[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.229 by root, Fri Apr 11 05:19:40 2014 UTC

…		…
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
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
		23
		24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. on't complain if this fails for you.
		27	*/
		28	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
		29	# include <linux/fs.h>
		30	# ifdef FS_IOC_FIEMAP
		31	# include <linux/types.h>
		32	# include <linux/fiemap.h>
		33	# define HAVE_FIEMAP 1
		34	# endif
22	#endif	35	#endif
23		36
24	/* perl namespace pollution */	37	/* perl namespace pollution */
25	#undef VERSION	38	#undef VERSION
26		39
…		…
62	#undef dup	75	#undef dup
63	#undef dup2	76	#undef dup2
64	#undef abort	77	#undef abort
65	#undef pipe	78	#undef pipe
66		79
		80	#define EIO_STRUCT_STAT struct _stati64
		81	#define EIO_STRUCT_STATI64
		82
67	#else	83	#else
68		84
69	#include <sys/time.h>	85	#include <sys/time.h>
70	#include <sys/select.h>	86	#include <sys/select.h>
71	#include <unistd.h>	87	#include <unistd.h>
72	#include <utime.h>	88	#include <utime.h>
73	#include <signal.h>	89	#include <signal.h>
74		90
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	91	#define EIO_STRUCT_STAT Stat_t
78		92
79	/* use NV for 32 bit perls as it allows larger offsets */
80	#if IVSIZE >= 8
81	# define VAL64 IV
82	# define SvVAL64 SvIV
83	# define newSVval64 newSViv
84	#else
85	# define VAL64 NV
86	# define SvVAL64 SvNV
87	# define newSVval64 newSVnv
88	#endif	93	#endif
89		94
90	/*****************************************************************************/	95	/*****************************************************************************/
91		96
92	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
123	static void req_destroy (eio_req *grp);	128	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	129	#define EIO_DESTROY(req) req_destroy (req)
125		130
126	#include "libeio/eio.c"	131	#include "libeio/eio.c"
127		132
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	133	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	135	#endif
196		136
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	137	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	139	#endif
291		140
292	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	142	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
295	# else	144	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	146	# endif
298	#endif	147	#endif
299	#ifndef MAP_HUGETLB	148
300	# define MAP_HUGETLB 0	149	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	150	#include "def0.h"
302	#ifndef MAP_LOCKED
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		151
315	#ifndef makedev	152	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) \| (min))	153	# define makedev(maj,min) (((maj) << 8) \| (min))
317	#endif	154	#endif
318	#ifndef major	155	#ifndef major
…		…
320	#endif	157	#endif
321	#ifndef minor	158	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	159	# define minor(dev) ((dev) & 0xff)
323	#endif	160	#endif
324		161
325	#ifndef PAGESIZE	162	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	163	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	164	#endif
		165
		166	/*****************************************************************************/
		167
		168	static void
		169	fiemap (eio_req *req)
		170	{
		171	req->result = -1;
		172
		173	#if HAVE_FIEMAP
		174	/* assume some c99 */
		175	struct fiemap *fiemap = 0;
		176	size_t end_offset;
		177	int count = req->int3;
		178
		179	req->flags \|= EIO_FLAG_PTR1_FREE;
		180
		181	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		182	/* increase in 3.5kb steps */
		183	if (count < 0)
		184	count = 8;
		185
		186	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		187	errno = ENOMEM;
		188	if (!fiemap)
		189	return;
		190
		191	req->ptr1 = fiemap;
		192
		193	fiemap->fm_start = req->offs;
		194	fiemap->fm_length = req->size;
		195	fiemap->fm_flags = req->int2;
		196	fiemap->fm_extent_count = count;
		197
		198	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		199	return;
		200
		201	if (req->int3 >= 0 /* not autosizing */
		202	\|\| !fiemap->fm_mapped_extents /* no more extents */
		203	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		204	goto done;
		205
		206	/* else we have to loop -
		207	* it would be tempting (actually I tried that first) to just query the
		208	* number of extents needed, but linux often feels like not returning all
		209	* extents, without telling us it left any out. this complicates
		210	* this quite a bit.
		211	*/
		212
		213	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		214
		215	for (;;)
		216	{
		217	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		218	char scratch[3072];
		219	struct fiemap incmap = (struct fiemap )scratch;
		220
		221	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		222	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		223	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		224	incmap->fm_flags = fiemap->fm_flags;
		225	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		226
		227	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		228	return;
		229
		230	if (!incmap->fm_mapped_extents)
		231	goto done;
		232
		233	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		234	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		235	errno = ENOMEM;
		236	if (!fiemap)
		237	return;
		238
		239	req->ptr1 = fiemap;
		240
		241	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		242	{
		243	struct fiemap_extent *e = incmap->fm_extents + count;
		244
		245	if (e->fe_logical + e->fe_length >= end_offset)
		246	goto done;
		247
		248	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		249
		250	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		251	goto done;
		252
		253	}
		254	}
		255
		256	done:
		257	req->result = 0;
		258
		259	#else
		260	errno = ENOSYS;
		261	#endif
		262	}
		263
		264	/*****************************************************************************/
328		265
329	enum {	266	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	268	};
332		269
333	typedef eio_req *aio_req;	270	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	271	typedef eio_req *aio_req_ornot;
335	typedef eio_wd *aio_wd;	272	typedef eio_wd aio_wd;
336		273
337	static SV *on_next_submit;	274	static SV *on_next_submit;
338	static int next_pri = EIO_PRI_DEFAULT;	275	static int next_pri = EIO_PRI_DEFAULT;
339	static int max_outstanding;	276	static int max_outstanding;
340		277
341	static s_epipe respipe;	278	static s_epipe respipe;
342		279
343	static void req_destroy (aio_req req);	280	static void req_destroy (aio_req req);
344	static void req_cancel (aio_req req);	281	static void req_cancel (aio_req req);
345		282
346	static void want_poll (void)	283	static void
		284	want_poll (void)
347	{	285	{
348	/* write a dummy byte to the pipe so fh becomes ready */	286	/* write a dummy byte to the pipe so fh becomes ready */
349	s_epipe_signal (&respipe);	287	s_epipe_signal (&respipe);
350	}	288	}
351		289
352	static void done_poll (void)	290	static void
		291	done_poll (void)
353	{	292	{
354	/* read any signals sent by the worker threads */	293	/* read any signals sent by the worker threads */
355	s_epipe_drain (&respipe);	294	s_epipe_drain (&respipe);
356	}	295	}
357		296
358	/* must be called at most once */	297	/* must be called at most once */
		298	static SV *
359	static SV req_sv (aio_req req, HV stash)	299	req_sv (aio_req req, HV *stash)
360	{	300	{
361	if (!req->self)	301	if (!req->self)
362	{	302	{
363	req->self = (SV *)newHV ();	303	req->self = (SV *)newHV ();
364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	304	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
365	}	305	}
366		306
367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	307	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
368	}	308	}
369		309
370	static aio_req SvAIO_REQ (SV *sv)	310	static SV *
		311	newSVaio_wd (aio_wd wd)
		312	{
		313	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		314	}
		315
		316	static aio_req
		317	SvAIO_REQ (SV *sv)
371	{	318	{
372	MAGIC *mg;	319	MAGIC *mg;
373		320
374	if (!SvROK (sv)	321	if (!SvROK (sv)
		322	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
375	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	323	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
376	&& SvSTASH (SvRV (sv)) != aio_req_stash	324	&& SvSTASH (SvRV (sv)) != aio_req_stash
377	&& !sv_derived_from (sv, "IO::AIO::REQ")))	325	&& !sv_derived_from (sv, "IO::AIO::REQ")))
378	croak ("object of class IO::AIO::REQ expected");	326	croak ("object of class IO::AIO::REQ expected");
379		327
380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	328	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
381		329
382	return mg ? (aio_req)mg->mg_ptr : 0;	330	return mg ? (aio_req)mg->mg_ptr : 0;
383	}	331	}
384		332
385	static aio_wd SvAIO_WD (SV *sv)	333	static aio_wd
		334	SvAIO_WD (SV *sv)
386	{	335	{
387	if (!SvROK (sv)	336	if (!SvROK (sv)
		337	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
388	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash	338	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
389	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG)
390	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
391		340
392	return (aio_wd)(long)SvIVX (SvRV (sv));	341	return (aio_wd)(long)SvIVX (SvRV (sv));
393	}	342	}
394		343
		344	static void
395	static void aio_grp_feed (aio_req grp)	345	aio_grp_feed (aio_req grp)
396	{	346	{
397	if (grp->sv2 && SvOK (grp->sv2))	347	if (grp->sv2 && SvOK (grp->sv2))
398	{	348	{
399	dSP;	349	dSP;
400		350
…		…
408	FREETMPS;	358	FREETMPS;
409	LEAVE;	359	LEAVE;
410	}	360	}
411	}	361	}
412		362
		363	static void
413	static void req_submit (eio_req *req)	364	req_submit (eio_req *req)
414	{	365	{
415	eio_submit (req);	366	eio_submit (req);
416		367
417	if (expect_false (on_next_submit))	368	if (expect_false (on_next_submit))
418	{	369	{
…		…
425	PUTBACK;	376	PUTBACK;
426	call_sv (cb, G_DISCARD \| G_EVAL);	377	call_sv (cb, G_DISCARD \| G_EVAL);
427	}	378	}
428	}	379	}
429		380
		381	static int
430	static int req_invoke (eio_req *req)	382	req_invoke (eio_req *req)
431	{	383	{
432	if (req->flags & FLAG_SV2_RO_OFF)	384	if (req->flags & FLAG_SV2_RO_OFF)
433	SvREADONLY_off (req->sv2);	385	SvREADONLY_off (req->sv2);
434		386
435	if (!EIO_CANCELLED (req) && req->callback)	387	if (!EIO_CANCELLED (req) && req->callback)
…		…
457	}	409	}
458		410
459	switch (req->type)	411	switch (req->type)
460	{	412	{
461	case EIO_WD_OPEN:	413	case EIO_WD_OPEN:
462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));	414	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
463	break;	415	break;
464		416
465	case EIO_READDIR:	417	case EIO_READDIR:
466	{	418	{
467	SV *rv = &PL_sv_undef;	419	SV *rv = &PL_sv_undef;
…		…
562	#ifndef _WIN32	514	#ifndef _WIN32
563	if (req->result >= 0)	515	if (req->result >= 0)
564	{	516	{
565	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	517	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
566	HV *hv = newHV ();	518	HV *hv = newHV ();
		519	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		520	* chooses to make it a struct.
		521	*/
		522	unsigned long fsid = 0;
		523	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
567		524
568	rv = sv_2mortal (newRV_noinc ((SV *)hv));	525	rv = sv_2mortal (newRV_noinc ((SV *)hv));
569		526
570	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	527	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
571	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	528	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
573	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	530	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
574	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	531	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
575	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	532	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
576	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	533	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
577	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	534	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
578	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	535	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
579	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	536	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
580	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	537	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
581	}	538	}
582	#endif	539	#endif
583		540
…		…
611	break;	568	break;
612		569
613	case EIO_STAT:	570	case EIO_STAT:
614	case EIO_LSTAT:	571	case EIO_LSTAT:
615	case EIO_FSTAT:	572	case EIO_FSTAT:
616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	573	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		574
617	PL_laststatval = req->result;	575	if (!(PL_laststatval = req->result))
618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	576	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
619	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	577	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
		578
620	PUSHs (sv_result);	579	PUSHs (sv_result);
		580	break;
		581
		582	case EIO_SEEK:
		583	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
621	break;	584	break;
622		585
623	case EIO_READ:	586	case EIO_READ:
624	{	587	{
625	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	588	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
628	SvSETMAGIC (req->sv2);	591	SvSETMAGIC (req->sv2);
629	PUSHs (sv_result);	592	PUSHs (sv_result);
630	}	593	}
631	break;	594	break;
632		595
		596	case EIO_CUSTOM:
		597	if (req->feed == fiemap)
		598	{
		599	#if HAVE_FIEMAP
		600	if (!req->result)
		601	{
		602	struct fiemap fiemap = (struct fiemap )req->ptr1;
		603
		604	if (fiemap->fm_extent_count)
		605	{
		606	AV *av = newAV ();
		607	int i;
		608
		609	while (fiemap->fm_mapped_extents)
		610	{
		611	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		612	AV *ext_av = newAV ();
		613
		614	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		615	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		616	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		617	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		618
		619	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		620	}
		621
		622	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		623	}
		624	else
		625	{
		626	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		627	PUSHs (sv_result);
		628	}
		629	}
		630	#endif
		631	}
		632	else
		633	PUSHs (sv_result);
		634	break;
		635
633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
634	if (req->result > 0)	637	if (req->result > 0)
635	SvIV_set (sv_result, 0);	638	SvIV_set (sv_result, 0);
636	/* FALLTHROUGH */	639	/* FALLTHROUGH */
637		640
…		…
658	}	661	}
659		662
660	return !!SvTRUE (ERRSV);	663	return !!SvTRUE (ERRSV);
661	}	664	}
662		665
		666	static void
663	static void req_destroy (aio_req req)	667	req_destroy (aio_req req)
664	{	668	{
665	if (req->self)	669	if (req->self)
666	{	670	{
667	sv_unmagic (req->self, PERL_MAGIC_ext);	671	sv_unmagic (req->self, PERL_MAGIC_ext);
668	SvREFCNT_dec (req->self);	672	SvREFCNT_dec (req->self);
…		…
672	SvREFCNT_dec (req->sv2);	676	SvREFCNT_dec (req->sv2);
673	SvREFCNT_dec (req->sv3);	677	SvREFCNT_dec (req->sv3);
674	SvREFCNT_dec (req->sv4);	678	SvREFCNT_dec (req->sv4);
675	SvREFCNT_dec (req->callback);	679	SvREFCNT_dec (req->callback);
676		680
677	Safefree (req);	681	free (req);
678	}	682	}
679		683
		684	static void
680	static void req_cancel_subs (aio_req grp)	685	req_cancel_subs (aio_req grp)
681	{	686	{
682	if (grp->type != EIO_GROUP)	687	if (grp->type != EIO_GROUP)
683	return;	688	return;
684		689
685	SvREFCNT_dec (grp->sv2);	690	SvREFCNT_dec (grp->sv2);
686	grp->sv2 = 0;	691	grp->sv2 = 0;
687		692
688	eio_grp_cancel (grp);	693	eio_grp_cancel (grp);
689	}	694	}
690		695
		696	static void ecb_cold
691	static void create_respipe (void)	697	create_respipe (void)
692	{	698	{
693	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
694	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
695	}	701	}
696		702
697	static void poll_wait (void)	703	static void
		704	poll_wait (void)
698	{	705	{
699	while (eio_nreqs ())	706	while (eio_nreqs ())
700	{	707	{
701	int size;	708	int size;
702		709
…		…
711		718
712	s_epipe_wait (&respipe);	719	s_epipe_wait (&respipe);
713	}	720	}
714	}	721	}
715		722
716	static int poll_cb (void)	723	static int
		724	poll_cb (void)
717	{	725	{
718	for (;;)	726	for (;;)
719	{	727	{
720	int res = eio_poll ();	728	int res = eio_poll ();
721		729
…		…
739	}	747	}
740		748
741	/*****************************************************************************/	749	/*****************************************************************************/
742		750
743	#if !_POSIX_MAPPED_FILES	751	#if !_POSIX_MAPPED_FILES
744	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
745	# define munmap(addr,length) (errno = ENOSYS, -1)	753	# define munmap(addr,length) EIO_ENOSYS ()
746	#endif	754	#endif
747		755
748	#if !_POSIX_MEMORY_PROTECTION	756	#if !_POSIX_MEMORY_PROTECTION
749	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
750	# define PROT_NONE 0	758	# define PROT_NONE 0
751	# define PROT_WRITE 0	759	# define PROT_WRITE 0
752	# define MAP_PRIVATE 0	760	# define MAP_PRIVATE 0
753	# define MAP_SHARED 0	761	# define MAP_SHARED 0
754	# define MAP_FIXED 0	762	# define MAP_FIXED 0
755	#endif	763	#endif
756		764
757	#define MMAP_MAGIC PERL_MAGIC_ext	765	#define MMAP_MAGIC PERL_MAGIC_ext
758		766
		767	static int ecb_cold
759	static int mmap_free (pTHX_ SV sv, MAGIC mg)	768	mmap_free (pTHX_ SV sv, MAGIC mg)
760	{	769	{
761	int old_errno = errno;	770	int old_errno = errno;
762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	771	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
763	errno = old_errno;	772	errno = old_errno;
764		773
…		…
780	0, 0, 0, 0, mmap_free	789	0, 0, 0, 0, mmap_free
781	};	790	};
782		791
783	/*****************************************************************************/	792	/*****************************************************************************/
784		793
		794	static SV *
785	static SV * get_cb (SV *cb_sv)	795	get_cb (SV *cb_sv)
786	{	796	{
787	SvGETMAGIC (cb_sv);	797	SvGETMAGIC (cb_sv);
788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	798	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
789	}	799	}
790		800
		801	static aio_req ecb_noinline
		802	dreq (SV *callback)
		803	{
		804	SV *cb_cv;
		805	aio_req req;
		806	int req_pri = next_pri;
		807	next_pri = EIO_PRI_DEFAULT;
		808
		809	cb_cv = get_cb (callback);
		810
		811	req = calloc (sizeof (*req), 1);
		812	if (!req)
		813	croak ("out of memory during eio_req allocation");
		814
		815	req->callback = SvREFCNT_inc (cb_cv);
		816	req->pri = req_pri;
		817
		818	return req;
		819	}
		820
791	#define dREQ \	821	#define dREQ \
792	SV *cb_cv; \	822	aio_req req = dreq (callback); \
793	aio_req req; \
794	int req_pri = next_pri; \
795	next_pri = EIO_PRI_DEFAULT; \
796	\
797	cb_cv = get_cb (callback); \
798	\
799	Newz (0, req, 1, eio_req); \
800	if (!req) \
801	croak ("out of memory during eio_req allocation"); \
802	\
803	req->callback = SvREFCNT_inc (cb_cv); \
804	req->pri = req_pri
805		823
806	#define REQ_SEND \	824	#define REQ_SEND \
807	PUTBACK; \	825	PUTBACK; \
808	req_submit (req); \	826	req_submit (req); \
809	SPAGAIN; \	827	SPAGAIN; \
810	\	828	\
811	if (GIMME_V != G_VOID) \	829	if (GIMME_V != G_VOID) \
812	XPUSHs (req_sv (req, aio_req_stash));	830	XPUSHs (req_sv (req, aio_req_stash));
813		831
814	static void	832	ecb_inline void
815	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	833	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
816	{	834	{
817	if (SvROK (path))	835	if (expect_false (SvROK (path)))
818	{	836	{
819	AV av = (AV )SvRV (path);	837	SV *rv = SvRV (path);
820	SV *wdob;	838	SV *wdob;
821		839
822	if (SvTYPE (av) != SVt_PVAV \|\| AvFILLp (av) != 1)	840	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");	841	{
824
825	path = AvARRAY (av)[1];	842	path = AvARRAY (rv)[1];
826	wdob = AvARRAY (av)[0];	843	wdob = AvARRAY (rv)[0];
827		844
		845	if (SvOK (wdob))
		846	{
828	*wd = SvAIO_WD (wdob);	847	*wd = SvAIO_WD (wdob);
829	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	848	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		849	}
		850	else
		851	*wd = EIO_INVALID_WD;
		852	}
		853	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		854	{
		855	*wd = (aio_wd)(long)SvIVX (rv);
		856	*wdsv = SvREFCNT_inc_NN (rv);
		857	*ptr = ".";
		858	return; /* path set to "." */
		859	}
		860	else
		861	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
830	}	862	}
831		863
832	*pathsv = newSVsv (path);	864	*pathsv = newSVsv (path);
833	ptr = SvPVbyte_nolen (pathsv);	865	ptr = SvPVbyte_nolen (pathsv);
834	}	866	}
835		867
836	static void	868	static void ecb_noinline
837	req_set_path1 (aio_req req, SV *path)	869	req_set_path1 (aio_req req, SV *path)
838	{	870	{
839	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	871	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
840	}	872	}
841		873
842	static void	874	static void ecb_noinline
843	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	875	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
844	{	876	{
845	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	877	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
846		878
847	switch (SvTYPE (rv))	879	switch (SvTYPE (rv))
…		…
857	default:	889	default:
858	req->type = type_path;	890	req->type = type_path;
859	req_set_path1 (req, fh_or_path);	891	req_set_path1 (req, fh_or_path);
860	break;	892	break;
861	}	893	}
862
863	}	894	}
		895
		896	XS(boot_IO__AIO) ecb_cold;
864		897
865	MODULE = IO::AIO PACKAGE = IO::AIO	898	MODULE = IO::AIO PACKAGE = IO::AIO
866		899
867	PROTOTYPES: ENABLE	900	PROTOTYPES: ENABLE
868		901
…		…
873	IV iv;	906	IV iv;
874	} *civ, const_iv[] = {	907	} *civ, const_iv[] = {
875	# define const_niv(name, value) { # name, (IV) value },	908	# define const_niv(name, value) { # name, (IV) value },
876	# define const_iv(name) { # name, (IV) name },	909	# define const_iv(name) { # name, (IV) name },
877	# define const_eio(name) { # name, (IV) EIO_ ## name },	910	# define const_eio(name) { # name, (IV) EIO_ ## name },
		911
		912	/* you have to re-run ./gendef0 after adding/Removing any constants here */
		913
		914	const_iv (ENOSYS)
878	const_iv (EXDEV)	915	const_iv (EXDEV)
879	const_iv (ENOSYS)	916	const_iv (EBADR)
		917
880	const_iv (O_RDONLY)	918	const_iv (O_RDONLY)
881	const_iv (O_WRONLY)	919	const_iv (O_WRONLY)
882	const_iv (O_RDWR)	920	const_iv (O_RDWR)
883	const_iv (O_CREAT)	921	const_iv (O_CREAT)
884	const_iv (O_TRUNC)	922	const_iv (O_TRUNC)
…		…
952	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
953	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
954	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
955	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
956		994
		995	const_iv (FIEMAP_FLAG_SYNC)
		996	const_iv (FIEMAP_FLAG_XATTR)
		997	const_iv (FIEMAP_FLAGS_COMPAT)
		998	const_iv (FIEMAP_EXTENT_LAST)
		999	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1000	const_iv (FIEMAP_EXTENT_DELALLOC)
		1001	const_iv (FIEMAP_EXTENT_ENCODED)
		1002	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1003	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1004	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1005	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1006	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1007	const_iv (FIEMAP_EXTENT_MERGED)
		1008	const_iv (FIEMAP_EXTENT_SHARED)
		1009
		1010	const_iv (SPLICE_F_MOVE)
		1011	const_iv (SPLICE_F_NONBLOCK)
		1012	const_iv (SPLICE_F_MORE)
		1013	const_iv (SPLICE_F_GIFT)
		1014
		1015	const_iv (SEEK_DATA)
		1016	const_iv (SEEK_HOLE)
		1017
		1018	/* libeio constants */
		1019	const_eio (SEEK_SET)
		1020	const_eio (SEEK_CUR)
		1021	const_eio (SEEK_END)
		1022
957	const_eio (MCL_FUTURE)	1023	const_eio (MCL_FUTURE)
958	const_eio (MCL_CURRENT)	1024	const_eio (MCL_CURRENT)
959		1025
960	const_eio (MS_ASYNC)	1026	const_eio (MS_ASYNC)
961	const_eio (MS_INVALIDATE)	1027	const_eio (MS_INVALIDATE)
…		…
966	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1032	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
967	const_eio (SYNC_FILE_RANGE_WRITE)	1033	const_eio (SYNC_FILE_RANGE_WRITE)
968	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1034	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
969		1035
970	const_eio (FALLOC_FL_KEEP_SIZE)	1036	const_eio (FALLOC_FL_KEEP_SIZE)
		1037	const_eio (FALLOC_FL_PUNCH_HOLE)
971		1038
972	const_eio (READDIR_DENTS)	1039	const_eio (READDIR_DENTS)
973	const_eio (READDIR_DIRS_FIRST)	1040	const_eio (READDIR_DIRS_FIRST)
974	const_eio (READDIR_STAT_ORDER)	1041	const_eio (READDIR_STAT_ORDER)
975	const_eio (READDIR_FOUND_UNKNOWN)	1042	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1076	aio_fsync = EIO_FSYNC	1143	aio_fsync = EIO_FSYNC
1077	aio_fdatasync = EIO_FDATASYNC	1144	aio_fdatasync = EIO_FDATASYNC
1078	aio_syncfs = EIO_SYNCFS	1145	aio_syncfs = EIO_SYNCFS
1079	PPCODE:	1146	PPCODE:
1080	{	1147	{
1081	int fd = s_fileno_croak (fh, 0);	1148	int fd = s_fileno_croak (fh, 0);
1082	dREQ;	1149	dREQ;
1083		1150
1084	req->type = ix;	1151	req->type = ix;
1085	req->sv1 = newSVsv (fh);	1152	req->sv1 = newSVsv (fh);
1086	req->int1 = fd;	1153	req->int1 = fd;
1087		1154
1088	REQ_SEND (req);	1155	REQ_SEND;
1089	}	1156	}
1090		1157
1091	void	1158	void
1092	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1159	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
1093	PPCODE:	1160	PPCODE:
1094	{	1161	{
1095	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
1096	dREQ;	1163	dREQ;
1097		1164
1098	req->type = EIO_SYNC_FILE_RANGE;	1165	req->type = EIO_SYNC_FILE_RANGE;
1099	req->sv1 = newSVsv (fh);	1166	req->sv1 = newSVsv (fh);
1100	req->int1 = fd;	1167	req->int1 = fd;
1101	req->offs = offset;	1168	req->offs = offset;
1102	req->size = nbytes;	1169	req->size = nbytes;
1103	req->int2 = flags;	1170	req->int2 = flags;
1104		1171
1105	REQ_SEND (req);	1172	REQ_SEND;
1106	}	1173	}
1107		1174
1108	void	1175	void
1109	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1176	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
1110	PPCODE:	1177	PPCODE:
1111	{	1178	{
1112	int fd = s_fileno_croak (fh, 0);	1179	int fd = s_fileno_croak (fh, 0);
1113	dREQ;	1180	dREQ;
1114		1181
1115	req->type = EIO_FALLOCATE;	1182	req->type = EIO_FALLOCATE;
1116	req->sv1 = newSVsv (fh);	1183	req->sv1 = newSVsv (fh);
1117	req->int1 = fd;	1184	req->int1 = fd;
1118	req->int2 = mode;	1185	req->int2 = mode;
1119	req->offs = offset;	1186	req->offs = offset;
1120	req->size = len;	1187	req->size = len;
1121		1188
1122	REQ_SEND (req);	1189	REQ_SEND;
1123	}	1190	}
1124		1191
1125	void	1192	void
1126	aio_close (SV fh, SV callback=&PL_sv_undef)	1193	aio_close (SV fh, SV callback=&PL_sv_undef)
1127	PPCODE:	1194	PPCODE:
1128	{	1195	{
1129	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1196	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1130	int fd = s_fileno_croak (fh, 0);	1197	int fd = s_fileno_croak (fh, 0);
1131	dREQ;	1198	dREQ;
1132		1199
1133	if (expect_false (close_fd < 0))	1200	if (expect_false (close_fd < 0))
1134	{	1201	{
1135	int pipefd [2];	1202	int pipefd [2];
…		…
1151	req->type = EIO_DUP2;	1218	req->type = EIO_DUP2;
1152	req->int1 = close_fd;	1219	req->int1 = close_fd;
1153	req->sv2 = newSVsv (fh);	1220	req->sv2 = newSVsv (fh);
1154	req->int2 = fd;	1221	req->int2 = fd;
1155		1222
1156	REQ_SEND (req);	1223	REQ_SEND;
		1224	}
		1225
		1226	void
		1227	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)
		1228	PPCODE:
		1229	{
		1230	int fd = s_fileno_croak (fh, 0);
		1231	dREQ;
		1232
		1233	req->type = EIO_SEEK;
		1234	req->sv1 = newSVsv (fh);
		1235	req->int1 = fd;
		1236	req->offs = SvVAL64 (offset);
		1237	req->int2 = whence;
		1238
		1239	REQ_SEND;
1157	}	1240	}
1158		1241
1159	void	1242	void
1160	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1243	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
1161	ALIAS:	1244	ALIAS:
…		…
1182	}	1265	}
1183	else	1266	else
1184	{	1267	{
1185	/* read: check type and grow scalar as necessary */	1268	/* read: check type and grow scalar as necessary */
1186	SvUPGRADE (data, SVt_PV);	1269	SvUPGRADE (data, SVt_PV);
		1270	if (SvLEN (data) >= SvCUR (data))
1187	svptr = SvGROW (data, len + dataoffset + 1);	1271	svptr = SvGROW (data, len + dataoffset + 1);
		1272	else if (SvCUR (data) < len + dataoffset)
		1273	croak ("length + dataoffset outside of scalar, and cannot grow");
1188	}	1274	}
1189		1275
1190	{	1276	{
1191	dREQ;	1277	dREQ;
1192		1278
…		…
1226		1312
1227	void	1313	void
1228	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1314	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1229	PPCODE:	1315	PPCODE:
1230	{	1316	{
1231	int ifd = s_fileno_croak (in_fh , 0);	1317	int ifd = s_fileno_croak (in_fh , 0);
1232	int ofd = s_fileno_croak (out_fh, 1);	1318	int ofd = s_fileno_croak (out_fh, 1);
1233	dREQ;	1319	dREQ;
1234		1320
1235	req->type = EIO_SENDFILE;	1321	req->type = EIO_SENDFILE;
1236	req->sv1 = newSVsv (out_fh);	1322	req->sv1 = newSVsv (out_fh);
1237	req->int1 = ofd;	1323	req->int1 = ofd;
…		…
1245		1331
1246	void	1332	void
1247	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1333	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
1248	PPCODE:	1334	PPCODE:
1249	{	1335	{
1250	int fd = s_fileno_croak (fh, 0);	1336	int fd = s_fileno_croak (fh, 0);
1251	dREQ;	1337	dREQ;
1252		1338
1253	req->type = EIO_READAHEAD;	1339	req->type = EIO_READAHEAD;
1254	req->sv1 = newSVsv (fh);	1340	req->sv1 = newSVsv (fh);
1255	req->int1 = fd;	1341	req->int1 = fd;
…		…
1267	aio_statvfs = EIO_STATVFS	1353	aio_statvfs = EIO_STATVFS
1268	PPCODE:	1354	PPCODE:
1269	{	1355	{
1270	dREQ;	1356	dREQ;
1271		1357
1272	req->sv1 = newSVsv (fh_or_path);
1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1358	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1359
1274	REQ_SEND;	1360	REQ_SEND;
1275	}	1361	}
1276		1362
1277	UV	1363	UV
1278	major (UV dev)	1364	major (UV dev)
…		…
1315	REQ_SEND;	1401	REQ_SEND;
1316	}	1402	}
1317		1403
1318	void	1404	void
1319	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1405	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)
1320	ALIAS:
1321	aio_chmod = EIO_CHMOD
1322	aio_mkdir = EIO_MKDIR
1323	PPCODE:	1406	PPCODE:
1324	{	1407	{
1325	dREQ;	1408	dREQ;
1326		1409
1327	req->int2 = mode;	1410	req->int2 = mode;
…		…
1348	PPCODE:	1431	PPCODE:
1349	{	1432	{
1350	dREQ;	1433	dREQ;
1351		1434
1352	req->type = EIO_READDIR;	1435	req->type = EIO_READDIR;
1353	req->sv1 = newSVsv (pathname);
1354	req->ptr1 = SvPVbyte_nolen (req->sv1);
1355	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;	1436	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
1356		1437
1357	if (flags & EIO_READDIR_DENTS)	1438	if (flags & EIO_READDIR_DENTS)
1358	req->int1 \|= EIO_READDIR_CUSTOM2;	1439	req->int1 \|= EIO_READDIR_CUSTOM2;
1359		1440
		1441	req_set_path1 (req, pathname);
		1442
1360	REQ_SEND;	1443	REQ_SEND;
		1444	}
		1445
		1446	void
		1447	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)
		1448	PPCODE:
		1449	{
		1450	dREQ;
		1451
		1452	req->type = EIO_MKDIR;
		1453	req->int2 = mode;
		1454	req_set_path1 (req, pathname);
		1455
		1456	REQ_SEND;
1361	}	1457	}
1362		1458
1363	void	1459	void
1364	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1460	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
1365	ALIAS:	1461	ALIAS:
…		…
1382	aio_link = EIO_LINK	1478	aio_link = EIO_LINK
1383	aio_symlink = EIO_SYMLINK	1479	aio_symlink = EIO_SYMLINK
1384	aio_rename = EIO_RENAME	1480	aio_rename = EIO_RENAME
1385	PPCODE:	1481	PPCODE:
1386	{	1482	{
		1483	eio_wd wd2 = 0;
1387	dREQ;	1484	dREQ;
1388	eio_wd wd2;
1389		1485
1390	req->type = ix;	1486	req->type = ix;
1391	req_set_path1 (req, oldpath);	1487	req_set_path1 (req, oldpath);
1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1488	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1393	req->int3 = (long)wd2;	1489	req->int3 = (long)wd2;
…		…
1482		1578
1483	REQ_SEND;	1579	REQ_SEND;
1484	}	1580	}
1485		1581
1486	void	1582	void
		1583	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)
		1584	PPCODE:
		1585	{
		1586	int fd = s_fileno_croak (fh, 0);
		1587	dREQ;
		1588
		1589	req->type = EIO_CUSTOM;
		1590	req->sv1 = newSVsv (fh);
		1591	req->int1 = fd;
		1592
		1593	req->feed = fiemap;
		1594	#if HAVE_FIEMAP
		1595	/* keep our fingers crossed that the next two types are 64 bit */
		1596	req->offs = start;
		1597	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1598	req->int2 = flags;
		1599	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1600	#endif
		1601
		1602	REQ_SEND;
		1603	}
		1604
		1605	void
1487	aio_busy (double delay, SV *callback=&PL_sv_undef)	1606	aio_busy (double delay, SV *callback=&PL_sv_undef)
1488	PPCODE:	1607	PPCODE:
1489	{	1608	{
1490	dREQ;	1609	dREQ;
1491		1610
…		…
1501	{	1620	{
1502	dREQ;	1621	dREQ;
1503		1622
1504	req->type = EIO_GROUP;	1623	req->type = EIO_GROUP;
1505		1624
		1625	PUTBACK;
1506	req_submit (req);	1626	req_submit (req);
		1627	SPAGAIN;
		1628
1507	XPUSHs (req_sv (req, aio_grp_stash));	1629	XPUSHs (req_sv (req, aio_grp_stash));
1508	}	1630	}
1509		1631
1510	void	1632	void
1511	aio_nop (SV *callback=&PL_sv_undef)	1633	aio_nop (SV *callback=&PL_sv_undef)
…		…
1620	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1742	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1621	OUTPUT:	1743	OUTPUT:
1622	RETVAL	1744	RETVAL
1623		1745
1624	void	1746	void
1625	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1747	mmap (SV scalar, size_t length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1626	PPCODE:	1748	PPCODE:
1627	sv_unmagic (scalar, MMAP_MAGIC);	1749	sv_unmagic (scalar, MMAP_MAGIC);
1628	{	1750	{
1629	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1751	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1630	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1752	void addr = (void )mmap (0, length, prot, flags, fd, offset);
…		…
1663	ALIAS:	1785	ALIAS:
1664	mprotect = 1	1786	mprotect = 1
1665	CODE:	1787	CODE:
1666	{	1788	{
1667	STRLEN svlen;	1789	STRLEN svlen;
1668	void *addr = SvPVbyte (scalar, svlen);	1790	void *addr = SvPVbyte (scalar, svlen);
1669	size_t len = SvUV (length);	1791	size_t len = SvUV (length);
1670		1792
1671	if (offset < 0)	1793	if (offset < 0)
1672	offset += svlen;	1794	offset += svlen;
1673		1795
…		…
1692	int	1814	int
1693	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)	1815	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
1694	CODE:	1816	CODE:
1695	{	1817	{
1696	STRLEN svlen;	1818	STRLEN svlen;
1697	void *addr = SvPVbyte (scalar, svlen);	1819	void *addr = SvPVbyte (scalar, svlen);
1698	size_t len = SvUV (length);	1820	size_t len = SvUV (length);
1699		1821
1700	if (offset < 0)	1822	if (offset < 0)
1701	offset += svlen;	1823	offset += svlen;
1702		1824
…		…
1709	addr = (void *)(((intptr_t)addr) + offset);	1831	addr = (void *)(((intptr_t)addr) + offset);
1710	eio_page_align (&addr, &len);	1832	eio_page_align (&addr, &len);
1711	#if _POSIX_MEMLOCK_RANGE	1833	#if _POSIX_MEMLOCK_RANGE
1712	RETVAL = munlock (addr, len);	1834	RETVAL = munlock (addr, len);
1713	#else	1835	#else
1714	RETVAL = ((errno = ENOSYS), -1);	1836	RETVAL = EIO_ENOSYS ();
1715	#endif	1837	#endif
1716	}	1838	}
1717	OUTPUT:	1839	OUTPUT:
1718	RETVAL	1840	RETVAL
1719		1841
…		…
1721	munlockall ()	1843	munlockall ()
1722	CODE:	1844	CODE:
1723	#if _POSIX_MEMLOCK	1845	#if _POSIX_MEMLOCK
1724	munlockall ();	1846	munlockall ();
1725	#else	1847	#else
		1848	RETVAL = EIO_ENOSYS ();
		1849	#endif
		1850	OUTPUT:
		1851	RETVAL
		1852
		1853	int
		1854	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		1855	CODE:
		1856	{
		1857	#if HAVE_LINUX_SPLICE
		1858	loff_t off_in_, off_out_;
		1859	RETVAL = splice (
		1860	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1861	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1862	length, flags
		1863	);
		1864	#else
		1865	RETVAL = EIO_ENOSYS ();
		1866	#endif
		1867	}
		1868	OUTPUT:
		1869	RETVAL
		1870
		1871	int
		1872	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1873	CODE:
		1874	#if HAVE_LINUX_SPLICE
		1875	RETVAL = tee (rfh, wfh, length, flags);
		1876	#else
		1877	RETVAL = EIO_ENOSYS ();
		1878	#endif
		1879	OUTPUT:
		1880	RETVAL
		1881
		1882	int
		1883	pipesize (aio_rfd rfh, int new_size = -1)
		1884	PROTOTYPE: $;$
		1885	CODE:
		1886	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1887	if (new_size >= 0)
		1888	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1889	else
		1890	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1891	#else
		1892	errno = ENOSYS;
1726	RETVAL = -1;	1893	RETVAL = -1;
1727	errno = ENOSYS;
1728	#endif	1894	#endif
1729	OUTPUT:	1895	OUTPUT:
1730	RETVAL	1896	RETVAL
1731		1897
1732	void _on_next_submit (SV *cb)	1898	void _on_next_submit (SV *cb)
…		…
1736		1902
1737	PROTOTYPES: DISABLE	1903	PROTOTYPES: DISABLE
1738		1904
1739	MODULE = IO::AIO PACKAGE = IO::AIO::WD	1905	MODULE = IO::AIO PACKAGE = IO::AIO::WD
1740		1906
		1907	BOOT:
		1908	{
		1909	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1910	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1911	}
		1912
1741	void	1913	void
1742	DESTROY (SV *self)	1914	DESTROY (SV *self)
1743	CODE:	1915	CODE:
1744	{	1916	{
1745	aio_wd wd = SvAIO_WD (self);	1917	aio_wd wd = SvAIO_WD (self);
1746	#if HAVE_AT	1918	#if HAVE_AT
		1919	{
1747	SV *callback = &PL_sv_undef;	1920	SV *callback = &PL_sv_undef;
1748	dREQ; /* clobbers next_pri :/ */	1921	dREQ; /* clobbers next_pri :/ */
		1922	next_pri = req->pri; /* restore next_pri */
		1923	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1749	req->type = EIO_WD_CLOSE;	1924	req->type = EIO_WD_CLOSE;
1750	req->wd = wd;	1925	req->wd = wd;
1751	REQ_SEND;	1926	REQ_SEND;
		1927	}
1752	#else	1928	#else
1753	eio_wd_close_sync (wd);	1929	eio_wd_close_sync (wd);
1754	#endif	1930	#endif
1755	}	1931	}
1756		1932

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs. Revision 1.229 by root, Fri Apr 11 05:19:40 2014 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.229 by root, Fri Apr 11 05:19:40 2014 UTC