ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.165 by root, Sun May 9 20:42:55 2010 UTC vs.
Revision 1.239 by root, Tue Feb 23 19:42:43 2016 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	/* 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
23	#endif	35	#endif
24		36
25	/* perl namespace pollution */	37	/* perl namespace pollution */
26	#undef VERSION	38	#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		39
77	/* perl stupidly overrides readdir and maybe others */	40	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	41	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	42	#undef readdir
80	#undef opendir	43	#undef opendir
81	#undef closedir	44	#undef closedir
82		45
		46	#ifdef _WIN32
		47
		48	// perl overrides all those nice libc functions
		49
		50	#undef malloc
		51	#undef free
		52	#undef open
		53	#undef read
		54	#undef write
		55	#undef send
		56	#undef recv
		57	#undef stat
		58	#undef lstat
		59	#undef fstat
		60	#undef truncate
		61	#undef ftruncate
		62	#undef open
		63	#undef link
		64	#undef close
		65	#undef unlink
		66	#undef mkdir
		67	#undef rmdir
		68	#undef rename
		69	#undef lseek
		70	#undef opendir
		71	#undef readdir
		72	#undef closedir
		73	#undef chmod
		74	#undef fchmod
		75	#undef dup
		76	#undef dup2
		77	#undef abort
		78	#undef pipe
		79
		80	#define EIO_STRUCT_STAT struct _stati64
83	#define EIO_STRUCT_STAT Stat_t	81	#define EIO_STRUCT_STATI64
84		82
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	83	#else
91	# define VAL64 NV	84
92	# define SvVAL64 SvNV	85	#include <sys/time.h>
93	# define newSVval64 newSVnv	86	#include <sys/select.h>
		87	#include <unistd.h>
		88	#include <utime.h>
		89	#include <signal.h>
		90
		91	#define EIO_STRUCT_STAT Stat_t
		92
94	#endif	93	#endif
95		94
96	/*****************************************************************************/	95	/*****************************************************************************/
97		96
98	#if __GNUC__ >= 3	97	#if __GNUC__ >= 3
…		…
108		107
109	typedef SV SV8; /* byte-sv, used for argument-checking */	108	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	109	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	110	typedef int aio_wfd; /* write file descriptor */
112		111
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	112	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		113
115	#define EIO_REQ_MEMBERS \	114	#define EIO_REQ_MEMBERS \
116	SV *callback; \	115	SV *callback; \
117	SV *sv1, *sv2; \	116	SV *sv1, *sv2; \
		117	SV *sv3, *sv4; \
118	STRLEN stroffset; \	118	STRLEN stroffset; \
119	SV *self;	119	SV *self;
120		120
121	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
122		122
		123	#include "libeio/config.h"
123	#include "libeio/eio.h"	124	#include "libeio/eio.h"
124		125
125	#ifndef POSIX_FADV_NORMAL	126	static int req_invoke (eio_req *req);
126	# define POSIX_FADV_NORMAL 0	127	#define EIO_FINISH(req) req_invoke (req)
127	# define NO_FADVISE 1	128	static void req_destroy (eio_req *grp);
128	#endif	129	#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		130
145	#ifndef ST_NODEV	131	#include "libeio/eio.c"
146	# define ST_NODEV 0
147	#endif
148	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0
150	#endif
151	#ifndef ST_SYNCHRONOUS
152	# define ST_SYNCHRONOUS 0
153	#endif
154	#ifndef ST_MANDLOCK
155	# define ST_MANDLOCK 0
156	#endif
157	#ifndef ST_WRITE
158	# define ST_WRITE 0
159	#endif
160	#ifndef ST_APPEND
161	# define ST_APPEND 0
162	#endif
163	#ifndef ST_IMMUTABLE
164	# define ST_IMMUTABLE 0
165	#endif
166	#ifndef ST_NOATIME
167	# define ST_NOATIME 0
168	#endif
169	#ifndef ST_NODIRATIME
170	# define ST_NODIRATIME 0
171	#endif
172	#ifndef ST_RELATIME
173	# define ST_RELATIME 0
174	#endif
175		132
176	#ifndef MCL_CURRENT	133	#if !HAVE_POSIX_FADVISE
177	# define MCL_CURRENT 0	134	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178	#endif	135	#endif
179	#ifndef MCL_FUTURE	136
180	# define MCL_FUTURE 0	137	#if !HAVE_POSIX_MADVISE
		138	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181	#endif	139	#endif
182		140
183	#ifndef MAP_ANONYMOUS	141	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	142	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	143	# define MAP_ANONYMOUS MAP_ANON
186	# else	144	# else
187	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188	# endif	146	# endif
189	#endif	147	#endif
190	#ifndef MAP_HUGETLB
191	# define MAP_HUGETLB 0
192	#endif
193	#ifndef MAP_LOCKED
194	# define MAP_LOCKED 0
195	#endif
196	#ifndef MAP_NORESERVE
197	# define MAP_NORESERVE 0
198	#endif
199	#ifndef MAP_POPULATE
200	# define MAP_POPULATE 0
201	#endif
202	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0
204	#endif
205		148
206	#ifndef PAGESIZE	149	/* defines all sorts of constants to 0 unless they are already defined */
		150	/* also provides const_iv_ and const_niv_ macros for them */
		151	#include "def0.h"
		152
		153	#ifndef makedev
		154	# define makedev(maj,min) (((maj) << 8) | (min))
		155	#endif
		156	#ifndef major
		157	# define major(dev) ((dev) >> 8)
		158	#endif
		159	#ifndef minor
		160	# define minor(dev) ((dev) & 0xff)
		161	#endif
		162
		163	#if PAGESIZE <= 0
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	164	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	165	#endif
209		166
210	static int req_invoke (eio_req *req);	167	/*****************************************************************************/
211	#define EIO_FINISH(req) req_invoke (req)	168
212	static void req_destroy (eio_req *grp);	169	static void
213	#define EIO_DESTROY(req) req_destroy (req)	170	fiemap (eio_req *req)
		171	{
		172	req->result = -1;
		173
		174	#if HAVE_FIEMAP
		175	/* assume some c99 */
		176	struct fiemap *fiemap = 0;
		177	size_t end_offset;
		178	int count = req->int3;
		179
		180	req->flags |= EIO_FLAG_PTR1_FREE;
		181
		182	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		183	/* increase in 3.5kb steps */
		184	if (count < 0)
		185	count = 8;
		186
		187	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		188	errno = ENOMEM;
		189	if (!fiemap)
		190	return;
		191
		192	req->ptr1 = fiemap;
		193
		194	fiemap->fm_start = req->offs;
		195	fiemap->fm_length = req->size;
		196	fiemap->fm_flags = req->int2;
		197	fiemap->fm_extent_count = count;
		198
		199	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		200	return;
		201
		202	if (req->int3 >= 0 /* not autosizing */
		203	|| !fiemap->fm_mapped_extents /* no more extents */
		204	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		205	goto done;
		206
		207	/* else we have to loop -
		208	* it would be tempting (actually I tried that first) to just query the
		209	* number of extents needed, but linux often feels like not returning all
		210	* extents, without telling us it left any out. this complicates
		211	* this quite a bit.
		212	*/
		213
		214	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		215
		216	for (;;)
		217	{
		218	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		219	char scratch[3072];
		220	struct fiemap *incmap = (struct fiemap *)scratch;
		221
		222	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		223	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		224	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		225	incmap->fm_flags = fiemap->fm_flags;
		226	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		227
		228	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		229	return;
		230
		231	if (!incmap->fm_mapped_extents)
		232	goto done;
		233
		234	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		235	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		236	errno = ENOMEM;
		237	if (!fiemap)
		238	return;
		239
		240	req->ptr1 = fiemap;
		241
		242	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		243	{
		244	struct fiemap_extent *e = incmap->fm_extents + count;
		245
		246	if (e->fe_logical + e->fe_length >= end_offset)
		247	goto done;
		248
		249	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		250
		251	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		252	goto done;
		253
		254	}
		255	}
		256
		257	done:
		258	req->result = 0;
		259
		260	#else
		261	errno = ENOSYS;
		262	#endif
		263	}
		264
		265	/*****************************************************************************/
214		266
215	enum {	267	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	268	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	269	};
218		270
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	271	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	272	typedef eio_req *aio_req_ornot;
		273	typedef eio_wd aio_wd;
223		274
224	static SV *on_next_submit;	275	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	276	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	277	static int max_outstanding;
227		278
228	static s_epipe respipe;	279	static s_epipe respipe;
229		280
230	static void req_destroy (aio_req req);	281	static void req_destroy (aio_req req);
231	static void req_cancel (aio_req req);	282	static void req_cancel (aio_req req);
232		283
233	static void want_poll (void)	284	static void
		285	want_poll (void)
234	{	286	{
235	/* write a dummy byte to the pipe so fh becomes ready */	287	/* write a dummy byte to the pipe so fh becomes ready */
236	s_epipe_signal (&respipe);	288	s_epipe_signal (&respipe);
237	}	289	}
238		290
239	static void done_poll (void)	291	static void
		292	done_poll (void)
240	{	293	{
241	/* read any signals sent by the worker threads */	294	/* read any signals sent by the worker threads */
242	s_epipe_drain (&respipe);	295	s_epipe_drain (&respipe);
243	}	296	}
244		297
245	/* must be called at most once */	298	/* must be called at most once */
		299	static SV *
246	static SV *req_sv (aio_req req, HV *stash)	300	req_sv (aio_req req, HV *stash)
247	{	301	{
248	if (!req->self)	302	if (!req->self)
249	{	303	{
250	req->self = (SV *)newHV ();	304	req->self = (SV *)newHV ();
251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	305	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252	}	306	}
253		307
254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	308	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255	}	309	}
256		310
257	static aio_req SvAIO_REQ (SV *sv)	311	static SV *
		312	newSVaio_wd (aio_wd wd)
		313	{
		314	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		315	}
		316
		317	static aio_req
		318	SvAIO_REQ (SV *sv)
258	{	319	{
259	MAGIC *mg;	320	MAGIC *mg;
260		321
261	if (!SvROK (sv)	322	if (!SvROK (sv)
		323	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	324	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
263	&& SvSTASH (SvRV (sv)) != aio_req_stash	325	&& SvSTASH (SvRV (sv)) != aio_req_stash
264	&& !sv_derived_from (sv, "IO::AIO::REQ")))	326	&& !sv_derived_from (sv, "IO::AIO::REQ")))
265	croak ("object of class IO::AIO::REQ expected");	327	croak ("object of class IO::AIO::REQ expected");
266		328
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	329	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		330
269	return mg ? (aio_req)mg->mg_ptr : 0;	331	return mg ? (aio_req)mg->mg_ptr : 0;
270	}	332	}
271		333
		334	static aio_wd
		335	SvAIO_WD (SV *sv)
		336	{
		337	if (!SvROK (sv)
		338	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		339	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		340	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		341
		342	return (aio_wd)(long)SvIVX (SvRV (sv));
		343	}
		344
		345	static SV *
		346	newmortalFH (int fd, int flags)
		347	{
		348	if (fd < 0)
		349	return &PL_sv_undef;
		350
		351	GV *gv = (GV *)sv_newmortal ();
		352	char sym[64];
		353	int symlen;
		354
		355	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		356	gv_init (gv, aio_stash, sym, symlen, 0);
		357
		358	symlen = snprintf (
		359	sym,
		360	sizeof (sym),
		361	"%s&=%d",
		362	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		363	fd
		364	);
		365
		366	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		367	? (SV *)gv : &PL_sv_undef;
		368	}
		369
		370	static void
272	static void aio_grp_feed (aio_req grp)	371	aio_grp_feed (aio_req grp)
273	{	372	{
274	if (grp->sv2 && SvOK (grp->sv2))	373	if (grp->sv2 && SvOK (grp->sv2))
275	{	374	{
276	dSP;	375	dSP;
277		376
…		…
285	FREETMPS;	384	FREETMPS;
286	LEAVE;	385	LEAVE;
287	}	386	}
288	}	387	}
289		388
		389	static void
290	static void req_submit (eio_req *req)	390	req_submit (eio_req *req)
291	{	391	{
292	eio_submit (req);	392	eio_submit (req);
293		393
294	if (expect_false (on_next_submit))	394	if (expect_false (on_next_submit))
295	{	395	{
…		…
302	PUTBACK;	402	PUTBACK;
303	call_sv (cb, G_DISCARD | G_EVAL);	403	call_sv (cb, G_DISCARD | G_EVAL);
304	}	404	}
305	}	405	}
306		406
		407	static int
307	static int req_invoke (eio_req *req)	408	req_invoke (eio_req *req)
308	{	409	{
309	dSP;
310
311	if (req->flags & FLAG_SV2_RO_OFF)	410	if (req->flags & FLAG_SV2_RO_OFF)
312	SvREADONLY_off (req->sv2);	411	SvREADONLY_off (req->sv2);
313		412
314	if (!EIO_CANCELLED (req) && req->callback)	413	if (!EIO_CANCELLED (req) && req->callback)
315	{	414	{
		415	dSP;
316	static SV *sv_result_cache; /* caches the result integer SV */	416	static SV *sv_result_cache; /* caches the result integer SV */
317	SV *sv_result;	417	SV *sv_result;
318		418
319	ENTER;	419	ENTER;
320	SAVETMPS;	420	SAVETMPS;
…		…
324	/* do not recreate the result IV from scratch each time */	424	/* do not recreate the result IV from scratch each time */
325	if (expect_true (sv_result_cache))	425	if (expect_true (sv_result_cache))
326	{	426	{
327	sv_result = sv_result_cache; sv_result_cache = 0;	427	sv_result = sv_result_cache; sv_result_cache = 0;
328	SvIV_set (sv_result, req->result);	428	SvIV_set (sv_result, req->result);
		429	SvIOK_only (sv_result);
329	}	430	}
330	else	431	else
331	{	432	{
332	sv_result = newSViv (req->result);	433	sv_result = newSViv (req->result);
333	SvREADONLY_on (sv_result);	434	SvREADONLY_on (sv_result);
334	}	435	}
335		436
336	switch (req->type)	437	switch (req->type)
337	{	438	{
		439	case EIO_WD_OPEN:
		440	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		441	break;
		442
338	case EIO_READDIR:	443	case EIO_READDIR:
339	{	444	{
340	SV *rv = &PL_sv_undef;	445	SV *rv = &PL_sv_undef;
341		446
342	if (req->result >= 0)	447	if (req->result >= 0)
…		…
395	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	500	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
396	}	501	}
397	break;	502	break;
398		503
399	case EIO_OPEN:	504	case EIO_OPEN:
400	{	505	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
401	/* convert fd to fh */
402	SV *fh = &PL_sv_undef;
403
404	if (req->result >= 0)
405	{
406	GV *gv = (GV *)sv_newmortal ();
407	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
408	char sym [64];
409	int symlen;
410
411	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
412	gv_init (gv, aio_stash, sym, symlen, 0);
413
414	symlen = snprintf (
415	sym,
416	sizeof (sym),
417	"%s&=%d",
418	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
419	(int)req->result
420	);
421
422	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
423	fh = (SV *)gv;
424	}
425
426	PUSHs (fh);
427	}
428	break;	506	break;
429		507
430	case EIO_STATVFS:	508	case EIO_STATVFS:
431	case EIO_FSTATVFS:	509	case EIO_FSTATVFS:
432	{	510	{
433	SV *rv = &PL_sv_undef;	511	SV *rv = &PL_sv_undef;
434		512
		513	#ifndef _WIN32
435	if (req->result >= 0)	514	if (req->result >= 0)
436	{	515	{
437	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	516	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
438	HV *hv = newHV ();	517	HV *hv = newHV ();
		518	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		519	* chooses to make it a struct.
		520	*/
		521	unsigned long fsid = 0;
		522	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
439		523
440	rv = sv_2mortal (newRV_noinc ((SV *)hv));	524	rv = sv_2mortal (newRV_noinc ((SV *)hv));
441		525
442	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	526	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
443	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	527	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
445	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	529	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
446	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	530	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
447	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	531	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
448	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	532	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
449	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	533	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
450	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	534	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
451	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	535	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
452	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	536	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
453	}	537	}
		538	#endif
454		539
455	PUSHs (rv);	540	PUSHs (rv);
456	}	541	}
457		542
458	break;	543	break;
…		…
474	case EIO_NOP:	559	case EIO_NOP:
475	case EIO_BUSY:	560	case EIO_BUSY:
476	break;	561	break;
477		562
478	case EIO_READLINK:	563	case EIO_READLINK:
		564	case EIO_REALPATH:
479	if (req->result > 0)	565	if (req->result > 0)
480	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	566	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
481	break;	567	break;
482		568
483	case EIO_STAT:	569	case EIO_STAT:
484	case EIO_LSTAT:	570	case EIO_LSTAT:
485	case EIO_FSTAT:	571	case EIO_FSTAT:
486	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	572	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		573
487	PL_laststatval = req->result;	574	if (!(PL_laststatval = req->result))
		575	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
488	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	576	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		577
489	PUSHs (sv_result);	578	PUSHs (sv_result);
		579	break;
		580
		581	case EIO_SEEK:
		582	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
490	break;	583	break;
491		584
492	case EIO_READ:	585	case EIO_READ:
493	{	586	{
494	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	587	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
497	SvSETMAGIC (req->sv2);	590	SvSETMAGIC (req->sv2);
498	PUSHs (sv_result);	591	PUSHs (sv_result);
499	}	592	}
500	break;	593	break;
501		594
502	case EIO_DUP2:	595	case EIO_CUSTOM:
		596	if (req->feed == fiemap)
		597	{
		598	#if HAVE_FIEMAP
		599	if (!req->result)
		600	{
		601	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		602
		603	if (fiemap->fm_extent_count)
		604	{
		605	AV *av = newAV ();
		606	int i;
		607
		608	while (fiemap->fm_mapped_extents)
		609	{
		610	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		611	AV *ext_av = newAV ();
		612
		613	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		614	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		615	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		616	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		617
		618	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		619	}
		620
		621	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		622	}
		623	else
		624	{
		625	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		626	PUSHs (sv_result);
		627	}
		628	}
		629	#endif
		630	}
		631	else
		632	PUSHs (sv_result);
		633	break;
		634
		635	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
503	if (req->result > 0)	636	if (req->result > 0)
504	SvIV_set (sv_result, 0);	637	SvIV_set (sv_result, 0);
505	/* FALLTHROUGH */	638	/* FALLTHROUGH */
506		639
507	default:	640	default:
…		…
527	}	660	}
528		661
529	return !!SvTRUE (ERRSV);	662	return !!SvTRUE (ERRSV);
530	}	663	}
531		664
		665	static void
532	static void req_destroy (aio_req req)	666	req_destroy (aio_req req)
533	{	667	{
534	if (req->self)	668	if (req->self)
535	{	669	{
536	sv_unmagic (req->self, PERL_MAGIC_ext);	670	sv_unmagic (req->self, PERL_MAGIC_ext);
537	SvREFCNT_dec (req->self);	671	SvREFCNT_dec (req->self);
538	}	672	}
539		673
540	SvREFCNT_dec (req->sv1);	674	SvREFCNT_dec (req->sv1);
541	SvREFCNT_dec (req->sv2);	675	SvREFCNT_dec (req->sv2);
		676	SvREFCNT_dec (req->sv3);
		677	SvREFCNT_dec (req->sv4);
542	SvREFCNT_dec (req->callback);	678	SvREFCNT_dec (req->callback);
543		679
544	Safefree (req);	680	free (req);
545	}	681	}
546		682
		683	static void
547	static void req_cancel_subs (aio_req grp)	684	req_cancel_subs (aio_req grp)
548	{	685	{
549	aio_req sub;
550
551	if (grp->type != EIO_GROUP)	686	if (grp->type != EIO_GROUP)
552	return;	687	return;
553		688
554	SvREFCNT_dec (grp->sv2);	689	SvREFCNT_dec (grp->sv2);
555	grp->sv2 = 0;	690	grp->sv2 = 0;
556		691
557	eio_grp_cancel (grp);	692	eio_grp_cancel (grp);
558	}	693	}
559		694
560	static void	695	static void ecb_cold
561	create_respipe (void)	696	create_respipe (void)
562	{	697	{
563	if (s_epipe_renew (&respipe))	698	if (s_epipe_renew (&respipe))
564	croak ("IO::AIO: unable to initialize result pipe");	699	croak ("IO::AIO: unable to initialize result pipe");
565	}	700	}
566		701
567	static void poll_wait (void)	702	static void
		703	poll_wait (void)
568	{	704	{
569	while (eio_nreqs ())	705	while (eio_nreqs ())
570	{	706	{
571	int size;	707	int size;
572		708
573	X_LOCK (reslock);	709	X_LOCK (EIO_POOL->reslock);
574	size = res_queue.size;	710	size = EIO_POOL->res_queue.size;
575	X_UNLOCK (reslock);	711	X_UNLOCK (EIO_POOL->reslock);
576		712
577	if (size)	713	if (size)
578	return;	714	return;
579		715
580	etp_maybe_start_thread ();	716	etp_maybe_start_thread (EIO_POOL);
581		717
582	s_epipe_wait (&respipe);	718	s_epipe_wait (&respipe);
583	}	719	}
584	}	720	}
585		721
586	static int poll_cb (void)	722	static int
		723	poll_cb (void)
587	{	724	{
588	for (;;)	725	for (;;)
589	{	726	{
590	int res = eio_poll ();	727	int res = eio_poll ();
591		728
…		…
597		734
598	poll_wait ();	735	poll_wait ();
599	}	736	}
600	}	737	}
601		738
602	static void atfork_child (void)	739	static void ecb_cold
		740	reinit (void)
603	{	741	{
604	create_respipe ();	742	create_respipe ();
		743
		744	if (eio_init (want_poll, done_poll) < 0)
		745	croak ("IO::AIO: unable to initialise eio library");
605	}	746	}
606		747
607	/*****************************************************************************/	748	/*****************************************************************************/
608		749
609	#if !_POSIX_MAPPED_FILES	750	#if !_POSIX_MAPPED_FILES
610	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
611	# define munmap(addr,length) (errno = ENOSYS, -1)	752	# define munmap(addr,length) EIO_ENOSYS ()
		753	#endif
		754
		755	#if !_POSIX_MEMORY_PROTECTION
		756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
612	#endif	757	#endif
613		758
614	#define MMAP_MAGIC PERL_MAGIC_ext	759	#define MMAP_MAGIC PERL_MAGIC_ext
615		760
616	static int	761	static int ecb_cold
617	mmap_free (pTHX_ SV *sv, MAGIC *mg)	762	mmap_free (pTHX_ SV *sv, MAGIC *mg)
618	{	763	{
619	int old_errno = errno;	764	int old_errno = errno;
620	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
621	errno = old_errno;	766	errno = old_errno;
622		767
623	mg->mg_obj = 0; /* just in case */	768	mg->mg_obj = 0; /* just in case */
624		769
625	SvREADONLY_off (sv);	770	SvREADONLY_off (sv);
		771
		772	if (SvPVX (sv) != mg->mg_ptr)
		773	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		774
626	SvCUR_set (sv, 0);	775	SvCUR_set (sv, 0);
627	SvLEN_set (sv, 0);
628	SvPVX (sv) = 0;	776	SvPVX (sv) = 0;
629	SvOK_off (sv);	777	SvOK_off (sv);
630		778
631	return 0;	779	return 0;
632	}	780	}
…		…
642	{	790	{
643	SvGETMAGIC (cb_sv);	791	SvGETMAGIC (cb_sv);
644	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	792	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
645	}	793	}
646		794
		795	static aio_req ecb_noinline
		796	dreq (SV *callback)
		797	{
		798	SV *cb_cv;
		799	aio_req req;
		800	int req_pri = next_pri;
		801	next_pri = EIO_PRI_DEFAULT;
		802
		803	cb_cv = get_cb (callback);
		804
		805	req = calloc (sizeof (*req), 1);
		806	if (!req)
		807	croak ("out of memory during eio_req allocation");
		808
		809	req->callback = SvREFCNT_inc (cb_cv);
		810	req->pri = req_pri;
		811
		812	return req;
		813	}
		814
647	#define dREQ \	815	#define dREQ \
648	SV *cb_cv; \	816	aio_req req = dreq (callback); \
649	aio_req req; \
650	int req_pri = next_pri; \
651	next_pri = EIO_PRI_DEFAULT; \
652	\
653	cb_cv = get_cb (callback); \
654	\
655	Newz (0, req, 1, eio_req); \
656	if (!req) \
657	croak ("out of memory during eio_req allocation"); \
658	\
659	req->callback = SvREFCNT_inc (cb_cv); \
660	req->pri = req_pri
661		817
662	#define REQ_SEND \	818	#define REQ_SEND \
663	PUTBACK; \	819	PUTBACK; \
664	req_submit (req); \	820	req_submit (req); \
665	SPAGAIN; \	821	SPAGAIN; \
666	\	822	\
667	if (GIMME_V != G_VOID) \	823	if (GIMME_V != G_VOID) \
668	XPUSHs (req_sv (req, aio_req_stash));	824	XPUSHs (req_sv (req, aio_req_stash));
669		825
		826	ecb_inline void
		827	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		828	{
		829	if (expect_false (SvROK (path)))
		830	{
		831	SV *rv = SvRV (path);
		832	SV *wdob;
		833
		834	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		835	{
		836	path = AvARRAY (rv)[1];
		837	wdob = AvARRAY (rv)[0];
		838
		839	if (SvOK (wdob))
		840	{
		841	*wd = SvAIO_WD (wdob);
		842	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		843	}
		844	else
		845	*wd = EIO_INVALID_WD;
		846	}
		847	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		848	{
		849	*wd = (aio_wd)(long)SvIVX (rv);
		850	*wdsv = SvREFCNT_inc_NN (rv);
		851	*ptr = ".";
		852	return; /* path set to "." */
		853	}
		854	else
		855	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		856	}
		857
		858	*pathsv = newSVsv (path);
		859	*ptr = SvPVbyte_nolen (*pathsv);
		860	}
		861
		862	static void ecb_noinline
		863	req_set_path1 (aio_req req, SV *path)
		864	{
		865	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		866	}
		867
		868	static void ecb_noinline
		869	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		870	{
		871	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		872
		873	switch (SvTYPE (rv))
		874	{
		875	case SVt_PVIO:
		876	case SVt_PVLV:
		877	case SVt_PVGV:
		878	req->type = type_fh;
		879	req->sv1 = newSVsv (fh_or_path);
		880	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		881	break;
		882
		883	default:
		884	req->type = type_path;
		885	req_set_path1 (req, fh_or_path);
		886	break;
		887	}
		888	}
		889
		890	XS(boot_IO__AIO) ecb_cold;
		891
670	MODULE = IO::AIO PACKAGE = IO::AIO	892	MODULE = IO::AIO PACKAGE = IO::AIO
671		893
672	PROTOTYPES: ENABLE	894	PROTOTYPES: ENABLE
673		895
674	BOOT:	896	BOOT:
…		…
678	IV iv;	900	IV iv;
679	} *civ, const_iv[] = {	901	} *civ, const_iv[] = {
680	# define const_niv(name, value) { # name, (IV) value },	902	# define const_niv(name, value) { # name, (IV) value },
681	# define const_iv(name) { # name, (IV) name },	903	# define const_iv(name) { # name, (IV) name },
682	# define const_eio(name) { # name, (IV) EIO_ ## name },	904	# define const_eio(name) { # name, (IV) EIO_ ## name },
		905
		906	/* you have to re-run ./gendef0 after adding/removing any constants here */
		907	/* the first block can be undef if missing */
		908	const_iv (ENOSYS)
683	const_iv (EXDEV)	909	const_iv (EXDEV)
684	const_iv (ENOSYS)	910	const_iv (EBADR)
		911
		912	/* for lseek */
		913	const_iv (SEEK_DATA)
		914	const_iv (SEEK_HOLE)
		915
		916	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		917	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		918	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		919	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		920	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		921	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		922
		923	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		924	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		926	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		927	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		928
		929	/* the second block will be 0 when missing */
685	const_iv (O_RDONLY)	930	const_iv (O_RDONLY)
686	const_iv (O_WRONLY)	931	const_iv (O_WRONLY)
687	const_iv (O_RDWR)	932	const_iv (O_RDWR)
688	const_iv (O_CREAT)	933	const_iv (O_CREAT)
689	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
690	const_iv (O_EXCL)	935	const_iv (O_EXCL)
691	const_iv (O_APPEND)	936	const_iv (O_APPEND)
692	#ifndef _WIN32	937
		938	const_iv (O_ASYNC)
		939	const_iv (O_DIRECT)
		940	const_iv (O_NOATIME)
		941
		942	const_iv (O_CLOEXEC)
		943	const_iv (O_NOCTTY)
		944	const_iv (O_NOFOLLOW)
		945	const_iv (O_NONBLOCK)
		946	const_iv (O_EXEC)
		947	const_iv (O_SEARCH)
		948	const_iv (O_DIRECTORY)
		949	const_iv (O_DSYNC)
		950	const_iv (O_RSYNC)
		951	const_iv (O_SYNC)
		952	const_iv (O_PATH)
		953	const_iv (O_TMPFILE)
		954	const_iv (O_TTY_INIT)
		955
693	const_iv (S_IFIFO)	956	const_iv (S_IFIFO)
694	#endif	957	const_iv (S_IFCHR)
695	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	958	const_iv (S_IFBLK)
696	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	959	const_iv (S_IFLNK)
697	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	960	const_iv (S_IFREG)
698	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	961	const_iv (S_IFDIR)
699	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	962	const_iv (S_IFWHT)
700	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	963	const_iv (S_IFSOCK)
		964	const_iv (S_IFMT)
701		965
702	const_iv (ST_RDONLY)	966	const_iv (ST_RDONLY)
703	const_iv (ST_NOSUID)	967	const_iv (ST_NOSUID)
704	const_iv (ST_NODEV)	968	const_iv (ST_NODEV)
705	const_iv (ST_NOEXEC)	969	const_iv (ST_NOEXEC)
…		…
710	const_iv (ST_IMMUTABLE)	974	const_iv (ST_IMMUTABLE)
711	const_iv (ST_NOATIME)	975	const_iv (ST_NOATIME)
712	const_iv (ST_NODIRATIME)	976	const_iv (ST_NODIRATIME)
713	const_iv (ST_RELATIME)	977	const_iv (ST_RELATIME)
714		978
		979	const_iv (PROT_NONE)
715	const_iv (PROT_EXEC)	980	const_iv (PROT_EXEC)
716	const_iv (PROT_NONE)
717	const_iv (PROT_READ)	981	const_iv (PROT_READ)
718	const_iv (PROT_WRITE)	982	const_iv (PROT_WRITE)
719		983
720	/*const_iv (MAP_FIXED)*/
721	const_iv (MAP_PRIVATE)	984	const_iv (MAP_PRIVATE)
722	const_iv (MAP_SHARED)	985	const_iv (MAP_SHARED)
		986	const_iv (MAP_FIXED)
723	const_iv (MAP_ANONYMOUS)	987	const_iv (MAP_ANONYMOUS)
724		988
725	/* linuxish */	989	/* linuxish */
726	const_iv (MAP_HUGETLB)
727	const_iv (MAP_LOCKED)	990	const_iv (MAP_LOCKED)
728	const_iv (MAP_NORESERVE)	991	const_iv (MAP_NORESERVE)
729	const_iv (MAP_POPULATE)	992	const_iv (MAP_POPULATE)
730	const_iv (MAP_NONBLOCK)	993	const_iv (MAP_NONBLOCK)
		994	const_iv (MAP_GROWSDOWN)
		995	const_iv (MAP_32BIT)
		996	const_iv (MAP_HUGETLB)
		997	const_iv (MAP_STACK)
731		998
		999	const_iv (FIEMAP_FLAG_SYNC)
		1000	const_iv (FIEMAP_FLAG_XATTR)
		1001	const_iv (FIEMAP_FLAGS_COMPAT)
		1002	const_iv (FIEMAP_EXTENT_LAST)
		1003	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1004	const_iv (FIEMAP_EXTENT_DELALLOC)
		1005	const_iv (FIEMAP_EXTENT_ENCODED)
		1006	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1007	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1008	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1009	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1010	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1011	const_iv (FIEMAP_EXTENT_MERGED)
		1012	const_iv (FIEMAP_EXTENT_SHARED)
		1013
		1014	const_iv (SPLICE_F_MOVE)
		1015	const_iv (SPLICE_F_NONBLOCK)
		1016	const_iv (SPLICE_F_MORE)
		1017	const_iv (SPLICE_F_GIFT)
		1018
		1019	/* these are libeio constants, and are independent of gendef0 */
		1020	const_eio (SEEK_SET)
		1021	const_eio (SEEK_CUR)
		1022	const_eio (SEEK_END)
		1023
732	const_iv (MCL_FUTURE)	1024	const_eio (MCL_FUTURE)
733	const_iv (MCL_CURRENT)	1025	const_eio (MCL_CURRENT)
734		1026
735	const_eio (MS_ASYNC)	1027	const_eio (MS_ASYNC)
736	const_eio (MS_INVALIDATE)	1028	const_eio (MS_INVALIDATE)
737	const_eio (MS_SYNC)	1029	const_eio (MS_SYNC)
738		1030
739	const_eio (MT_MODIFY)	1031	const_eio (MT_MODIFY)
740		1032
741	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1033	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
742	const_eio (SYNC_FILE_RANGE_WRITE)	1034	const_eio (SYNC_FILE_RANGE_WRITE)
743	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1035	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1036
		1037	const_eio (FALLOC_FL_KEEP_SIZE)
		1038	const_eio (FALLOC_FL_PUNCH_HOLE)
		1039	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1040	const_eio (FALLOC_FL_ZERO_RANGE)
744		1041
745	const_eio (READDIR_DENTS)	1042	const_eio (READDIR_DENTS)
746	const_eio (READDIR_DIRS_FIRST)	1043	const_eio (READDIR_DIRS_FIRST)
747	const_eio (READDIR_STAT_ORDER)	1044	const_eio (READDIR_STAT_ORDER)
748	const_eio (READDIR_FOUND_UNKNOWN)	1045	const_eio (READDIR_FOUND_UNKNOWN)
…		…
759	};	1056	};
760		1057
761	aio_stash = gv_stashpv ("IO::AIO" , 1);	1058	aio_stash = gv_stashpv ("IO::AIO" , 1);
762	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1059	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
763	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1060	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1061	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
764		1062
765	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1063	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
766	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1064	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
767		1065
768	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1066	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
769		1067
770	create_respipe ();	1068	reinit ();
771
772	if (eio_init (want_poll, done_poll) < 0)
773	croak ("IO::AIO: unable to initialise eio library");
774
775	/* atfork child called in fifo order, so before eio's handler */
776	X_THREAD_ATFORK (0, 0, atfork_child);
777	}	1069	}
778		1070
779	void	1071	void
		1072	reinit ()
		1073	PROTOTYPE:
		1074
		1075	void
780	max_poll_reqs (int nreqs)	1076	max_poll_reqs (unsigned int nreqs)
781	PROTOTYPE: $	1077	PROTOTYPE: $
782	CODE:	1078	CODE:
783	eio_set_max_poll_reqs (nreqs);	1079	eio_set_max_poll_reqs (nreqs);
784		1080
785	void	1081	void
…		…
787	PROTOTYPE: $	1083	PROTOTYPE: $
788	CODE:	1084	CODE:
789	eio_set_max_poll_time (nseconds);	1085	eio_set_max_poll_time (nseconds);
790		1086
791	void	1087	void
792	min_parallel (int nthreads)	1088	min_parallel (unsigned int nthreads)
793	PROTOTYPE: $	1089	PROTOTYPE: $
794	CODE:	1090	CODE:
795	eio_set_min_parallel (nthreads);	1091	eio_set_min_parallel (nthreads);
796		1092
797	void	1093	void
798	max_parallel (int nthreads)	1094	max_parallel (unsigned int nthreads)
799	PROTOTYPE: $	1095	PROTOTYPE: $
800	CODE:	1096	CODE:
801	eio_set_max_parallel (nthreads);	1097	eio_set_max_parallel (nthreads);
802		1098
803	void	1099	void
804	max_idle (int nthreads)	1100	max_idle (unsigned int nthreads)
805	PROTOTYPE: $	1101	PROTOTYPE: $
806	CODE:	1102	CODE:
807	eio_set_max_idle (nthreads);	1103	eio_set_max_idle (nthreads);
808		1104
809	void	1105	void
		1106	idle_timeout (unsigned int seconds)
		1107	PROTOTYPE: $
		1108	CODE:
		1109	eio_set_idle_timeout (seconds);
		1110
		1111	void
810	max_outstanding (int maxreqs)	1112	max_outstanding (unsigned int maxreqs)
811	PROTOTYPE: $	1113	PROTOTYPE: $
812	CODE:	1114	CODE:
813	max_outstanding = maxreqs;	1115	max_outstanding = maxreqs;
814		1116
815	void	1117	void
816	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
817	PROTOTYPE: $$$;$
818	PPCODE:	1119	PPCODE:
819	{	1120	{
820	dREQ;	1121	dREQ;
821		1122
		1123	req->type = EIO_WD_OPEN;
		1124	req_set_path1 (req, pathname);
		1125
		1126	REQ_SEND;
		1127	}
		1128
		1129	void
		1130	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1131	PPCODE:
		1132	{
		1133	dREQ;
		1134
822	req->type = EIO_OPEN;	1135	req->type = EIO_OPEN;
823	req->sv1 = newSVsv (pathname);	1136	req_set_path1 (req, pathname);
824	req->ptr1 = SvPVbyte_nolen (req->sv1);
825	req->int1 = flags;	1137	req->int1 = flags;
826	req->int2 = mode;	1138	req->int2 = mode;
827		1139
828	REQ_SEND;	1140	REQ_SEND;
829	}	1141	}
830		1142
831	void	1143	void
832	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1144	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
833	PROTOTYPE: $;$
834	ALIAS:	1145	ALIAS:
835	aio_fsync = EIO_FSYNC	1146	aio_fsync = EIO_FSYNC
836	aio_fdatasync = EIO_FDATASYNC	1147	aio_fdatasync = EIO_FDATASYNC
		1148	aio_syncfs = EIO_SYNCFS
837	PPCODE:	1149	PPCODE:
838	{	1150	{
839	int fd = s_fileno_croak (fh, 0);	1151	int fd = s_fileno_croak (fh, 0);
840	dREQ;	1152	dREQ;
841		1153
842	req->type = ix;	1154	req->type = ix;
843	req->sv1 = newSVsv (fh);	1155	req->sv1 = newSVsv (fh);
844	req->int1 = fd;	1156	req->int1 = fd;
845		1157
846	REQ_SEND (req);	1158	REQ_SEND;
847	}	1159	}
848		1160
849	void	1161	void
850	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1162	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
851	PROTOTYPE: $$$$;$
852	PPCODE:	1163	PPCODE:
853	{	1164	{
854	int fd = s_fileno_croak (fh, 0);	1165	int fd = s_fileno_croak (fh, 0);
855	dREQ;	1166	dREQ;
856		1167
857	req->type = EIO_SYNC_FILE_RANGE;	1168	req->type = EIO_SYNC_FILE_RANGE;
858	req->sv1 = newSVsv (fh);	1169	req->sv1 = newSVsv (fh);
859	req->int1 = fd;	1170	req->int1 = fd;
860	req->offs = offset;	1171	req->offs = offset;
861	req->size = nbytes;	1172	req->size = nbytes;
862	req->int2 = flags;	1173	req->int2 = flags;
863		1174
864	REQ_SEND (req);	1175	REQ_SEND;
865	}	1176	}
866		1177
867	void	1178	void
868	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1179	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
869	PROTOTYPE: $;$
870	PPCODE:	1180	PPCODE:
871	{	1181	{
872	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
873	int fd = s_fileno_croak (fh, 0);	1182	int fd = s_fileno_croak (fh, 0);
874	dREQ;	1183	dREQ;
875		1184
876	if (close_pipe < 0)	1185	req->type = EIO_FALLOCATE;
		1186	req->sv1 = newSVsv (fh);
		1187	req->int1 = fd;
		1188	req->int2 = mode;
		1189	req->offs = offset;
		1190	req->size = len;
		1191
		1192	REQ_SEND;
		1193	}
		1194
		1195	void
		1196	aio_close (SV *fh, SV *callback = &PL_sv_undef)
		1197	PPCODE:
		1198	{
		1199	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1200	int fd = s_fileno_croak (fh, 0);
		1201	dREQ;
		1202
		1203	if (expect_false (close_fd < 0))
877	{	1204	{
878	int pipefd [2];	1205	int pipefd [2];
879		1206
		1207	if (
		1208	#ifdef _WIN32
		1209	_pipe (pipefd, 1, _O_BINARY) < 0
		1210	#else
880	if (pipe (pipefd) < 0	1211	pipe (pipefd) < 0
881	|| close (pipefd [1]) < 0
882	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1212	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1213	#endif
		1214	|| close (pipefd [1]) < 0
		1215	)
883	abort (); /*D*/	1216	abort (); /*D*/
884		1217
885	close_pipe = pipefd [0];	1218	close_fd = pipefd [0];
886	}	1219	}
887		1220
888	req->type = EIO_DUP2;	1221	req->type = EIO_DUP2;
889	req->int1 = close_pipe;	1222	req->int1 = close_fd;
890	req->sv2 = newSVsv (fh);	1223	req->sv2 = newSVsv (fh);
891	req->int2 = fd;	1224	req->int2 = fd;
892		1225
893	REQ_SEND (req);	1226	REQ_SEND;
894	}	1227	}
895		1228
896	void	1229	void
		1230	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1231	PPCODE:
		1232	{
		1233	int fd = s_fileno_croak (fh, 0);
		1234	dREQ;
		1235
		1236	req->type = EIO_SEEK;
		1237	req->sv1 = newSVsv (fh);
		1238	req->int1 = fd;
		1239	req->offs = SvVAL64 (offset);
		1240	req->int2 = whence;
		1241
		1242	REQ_SEND;
		1243	}
		1244
		1245	void
897	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1246	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
898	ALIAS:	1247	ALIAS:
899	aio_read = EIO_READ	1248	aio_read = EIO_READ
900	aio_write = EIO_WRITE	1249	aio_write = EIO_WRITE
901	PROTOTYPE: $$$$$;$
902	PPCODE:	1250	PPCODE:
903	{	1251	{
904	STRLEN svlen;	1252	STRLEN svlen;
905	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1253	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
906	char *svptr = SvPVbyte (data, svlen);	1254	char *svptr = SvPVbyte (data, svlen);
…		…
919	len = svlen - dataoffset;	1267	len = svlen - dataoffset;
920	}	1268	}
921	else	1269	else
922	{	1270	{
923	/* read: check type and grow scalar as necessary */	1271	/* read: check type and grow scalar as necessary */
924	SvUPGRADE (data, SVt_PV);	1272	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
925	svptr = SvGROW (data, len + dataoffset + 1);	1273	svptr = sv_grow (data, len + dataoffset + 1);
		1274	else if (SvCUR (data) < len + dataoffset)
		1275	croak ("length + dataoffset outside of scalar, and cannot grow");
926	}	1276	}
927		1277
928	{	1278	{
929	dREQ;	1279	dREQ;
930		1280
…		…
946	REQ_SEND;	1296	REQ_SEND;
947	}	1297	}
948	}	1298	}
949		1299
950	void	1300	void
951	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1301	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
952	PROTOTYPE: $$;$	1302	ALIAS:
		1303	aio_ioctl = EIO_IOCTL
		1304	aio_fcntl = EIO_FCNTL
953	PPCODE:	1305	PPCODE:
954	{	1306	{
955	SV *data;	1307	int fd = s_fileno_croak (fh, 0);
		1308	char *svptr;
		1309
		1310	if (SvPOK (arg) || !SvNIOK (arg))
		1311	{
		1312	STRLEN svlen;
		1313	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1314	#ifdef IOCPARM_LEN
		1315	STRLEN need = IOCPARM_LEN (request);
		1316	#else
		1317	STRLEN need = 256;
		1318	#endif
		1319
		1320	if (svlen < need)
		1321	svptr = SvGROW (arg, need + 1);
		1322	}
		1323	else
		1324	svptr = (char *)SvIV (arg);
		1325
		1326	{
		1327	dREQ;
		1328
		1329	req->type = ix;
		1330	req->sv1 = newSVsv (fh);
		1331	req->int1 = fd;
		1332	req->int2 = (long)request;
		1333	req->sv2 = SvREFCNT_inc (arg);
		1334	req->ptr2 = svptr;
		1335
		1336	REQ_SEND;
		1337	}
		1338	}
		1339
		1340	void
		1341	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
		1342	ALIAS:
		1343	aio_readlink = EIO_READLINK
		1344	aio_realpath = EIO_REALPATH
		1345	PPCODE:
		1346	{
956	dREQ;	1347	dREQ;
957		1348
958	req->type = EIO_READLINK;	1349	req->type = ix;
959	req->sv1 = newSVsv (path);	1350	req_set_path1 (req, pathname);
960	req->ptr1 = SvPVbyte_nolen (req->sv1);
961		1351
962	REQ_SEND;	1352	REQ_SEND;
963	}	1353	}
964		1354
965	void	1355	void
966	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1356	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
967	PROTOTYPE: $$$$;$
968	PPCODE:	1357	PPCODE:
969	{	1358	{
970	int ifd = s_fileno_croak (in_fh , 0);	1359	int ifd = s_fileno_croak (in_fh , 0);
971	int ofd = s_fileno_croak (out_fh, 1);	1360	int ofd = s_fileno_croak (out_fh, 1);
972	dREQ;	1361	dREQ;
973		1362
974	req->type = EIO_SENDFILE;	1363	req->type = EIO_SENDFILE;
975	req->sv1 = newSVsv (out_fh);	1364	req->sv1 = newSVsv (out_fh);
976	req->int1 = ofd;	1365	req->int1 = ofd;
…		…
981		1370
982	REQ_SEND;	1371	REQ_SEND;
983	}	1372	}
984		1373
985	void	1374	void
986	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1375	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
987	PROTOTYPE: $$$;$
988	PPCODE:	1376	PPCODE:
989	{	1377	{
990	int fd = s_fileno_croak (fh, 0);	1378	int fd = s_fileno_croak (fh, 0);
991	dREQ;	1379	dREQ;
992		1380
993	req->type = EIO_READAHEAD;	1381	req->type = EIO_READAHEAD;
994	req->sv1 = newSVsv (fh);	1382	req->sv1 = newSVsv (fh);
995	req->int1 = fd;	1383	req->int1 = fd;
…		…
998		1386
999	REQ_SEND;	1387	REQ_SEND;
1000	}	1388	}
1001		1389
1002	void	1390	void
1003	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1391	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1004	ALIAS:	1392	ALIAS:
1005	aio_stat = EIO_STAT	1393	aio_stat = EIO_STAT
1006	aio_lstat = EIO_LSTAT	1394	aio_lstat = EIO_LSTAT
1007	aio_statvfs = EIO_STATVFS	1395	aio_statvfs = EIO_STATVFS
1008	PPCODE:	1396	PPCODE:
1009	{	1397	{
1010	dREQ;	1398	dREQ;
1011		1399
1012	req->sv1 = newSVsv (fh_or_path);	1400	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1013
1014	if (SvPOK (req->sv1))
1015	{
1016	req->type = ix;
1017	req->ptr1 = SvPVbyte_nolen (req->sv1);
1018	}
1019	else
1020	{
1021	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1022	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1023	}
1024		1401
1025	REQ_SEND;	1402	REQ_SEND;
1026	}	1403	}
1027		1404
		1405	UV
		1406	major (UV dev)
		1407	ALIAS:
		1408	minor = 1
		1409	CODE:
		1410	RETVAL = ix ? major (dev) : minor (dev);
		1411	OUTPUT:
		1412	RETVAL
		1413
		1414	UV
		1415	makedev (UV maj, UV min)
		1416	CODE:
		1417	RETVAL = makedev (maj, min);
		1418	OUTPUT:
		1419	RETVAL
		1420
1028	void	1421	void
1029	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1422	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1030	PPCODE:	1423	PPCODE:
1031	{	1424	{
1032	dREQ;	1425	dREQ;
1033		1426
1034	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1427	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1035	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1428	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1036	req->sv1 = newSVsv (fh_or_path);	1429	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1037
1038	if (SvPOK (req->sv1))
1039	{
1040	req->type = EIO_UTIME;
1041	req->ptr1 = SvPVbyte_nolen (req->sv1);
1042	}
1043	else
1044	{
1045	req->type = EIO_FUTIME;
1046	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047	}
1048		1430
1049	REQ_SEND;	1431	REQ_SEND;
1050	}	1432	}
1051		1433
1052	void	1434	void
1053	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1435	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1054	PPCODE:	1436	PPCODE:
1055	{	1437	{
1056	dREQ;	1438	dREQ;
1057		1439
1058	req->sv1 = newSVsv (fh_or_path);
1059	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1440	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1060		1441	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1061	if (SvPOK (req->sv1))
1062	{
1063	req->type = EIO_TRUNCATE;
1064	req->ptr1 = SvPVbyte_nolen (req->sv1);
1065	}
1066	else
1067	{
1068	req->type = EIO_FTRUNCATE;
1069	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1070	}
1071		1442
1072	REQ_SEND;	1443	REQ_SEND;
1073	}	1444	}
1074		1445
1075	void	1446	void
1076	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1447	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1077	ALIAS:
1078	aio_chmod = EIO_CHMOD
1079	aio_mkdir = EIO_MKDIR
1080	PPCODE:	1448	PPCODE:
1081	{	1449	{
1082	dREQ;	1450	dREQ;
1083		1451
1084	req->int2 = mode;	1452	req->int2 = mode;
1085	req->sv1 = newSVsv (fh_or_path);	1453	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1086
1087	if (SvPOK (req->sv1))
1088	{
1089	req->type = ix;
1090	req->ptr1 = SvPVbyte_nolen (req->sv1);
1091	}
1092	else
1093	{
1094	req->type = EIO_FCHMOD;
1095	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1096	}
1097		1454
1098	REQ_SEND;	1455	REQ_SEND;
1099	}	1456	}
1100		1457
1101	void	1458	void
1102	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1459	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1103	PPCODE:	1460	PPCODE:
1104	{	1461	{
1105	dREQ;	1462	dREQ;
1106		1463
1107	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1464	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1108	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1465	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1109	req->sv1 = newSVsv (fh_or_path);	1466	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1110
1111	if (SvPOK (req->sv1))
1112	{
1113	req->type = EIO_CHOWN;
1114	req->ptr1 = SvPVbyte_nolen (req->sv1);
1115	}
1116	else
1117	{
1118	req->type = EIO_FCHOWN;
1119	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1120	}
1121		1467
1122	REQ_SEND;	1468	REQ_SEND;
1123	}	1469	}
1124		1470
1125	void	1471	void
1126	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1472	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1127	PPCODE:	1473	PPCODE:
1128	{	1474	{
1129	dREQ;	1475	dREQ;
1130		1476
1131	req->type = EIO_READDIR;	1477	req->type = EIO_READDIR;
1132	req->sv1 = newSVsv (pathname);
1133	req->ptr1 = SvPVbyte_nolen (req->sv1);
1134	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1478	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1135		1479
1136	if (flags & EIO_READDIR_DENTS)	1480	if (flags & EIO_READDIR_DENTS)
1137	req->int1 |= EIO_READDIR_CUSTOM2;	1481	req->int1 |= EIO_READDIR_CUSTOM2;
1138		1482
		1483	req_set_path1 (req, pathname);
		1484
1139	REQ_SEND;	1485	REQ_SEND;
1140	}	1486	}
1141		1487
1142	void	1488	void
		1489	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1490	PPCODE:
		1491	{
		1492	dREQ;
		1493
		1494	req->type = EIO_MKDIR;
		1495	req->int2 = mode;
		1496	req_set_path1 (req, pathname);
		1497
		1498	REQ_SEND;
		1499	}
		1500
		1501	void
1143	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1502	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1144	ALIAS:	1503	ALIAS:
1145	aio_unlink = EIO_UNLINK	1504	aio_unlink = EIO_UNLINK
1146	aio_rmdir = EIO_RMDIR	1505	aio_rmdir = EIO_RMDIR
1147	aio_readdir = EIO_READDIR	1506	aio_readdir = EIO_READDIR
1148	PPCODE:	1507	PPCODE:
1149	{	1508	{
1150	dREQ;	1509	dREQ;
1151		1510
1152	req->type = ix;	1511	req->type = ix;
1153	req->sv1 = newSVsv (pathname);	1512	req_set_path1 (req, pathname);
1154	req->ptr1 = SvPVbyte_nolen (req->sv1);
1155		1513
1156	REQ_SEND;	1514	REQ_SEND;
1157	}	1515	}
1158		1516
1159	void	1517	void
1160	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1518	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1161	ALIAS:	1519	ALIAS:
1162	aio_link = EIO_LINK	1520	aio_link = EIO_LINK
1163	aio_symlink = EIO_SYMLINK	1521	aio_symlink = EIO_SYMLINK
1164	aio_rename = EIO_RENAME	1522	aio_rename = EIO_RENAME
1165	PPCODE:	1523	PPCODE:
1166	{	1524	{
		1525	eio_wd wd2 = 0;
1167	dREQ;	1526	dREQ;
1168		1527
1169	req->type = ix;	1528	req->type = ix;
1170	req->sv1 = newSVsv (oldpath);	1529	req_set_path1 (req, oldpath);
1171	req->ptr1 = SvPVbyte_nolen (req->sv1);	1530	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1172	req->sv2 = newSVsv (newpath);	1531	req->int3 = (long)wd2;
1173	req->ptr2 = SvPVbyte_nolen (req->sv2);
1174		1532
1175	REQ_SEND;	1533	REQ_SEND;
1176	}	1534	}
1177		1535
1178	void	1536	void
1179	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1537	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1180	PPCODE:	1538	PPCODE:
1181	{	1539	{
1182	dREQ;	1540	dREQ;
1183		1541
1184	req->type = EIO_MKNOD;	1542	req->type = EIO_MKNOD;
1185	req->sv1 = newSVsv (pathname);
1186	req->ptr1 = SvPVbyte_nolen (req->sv1);
1187	req->int2 = (mode_t)mode;	1543	req->int2 = (mode_t)mode;
1188	req->offs = dev;	1544	req->offs = dev;
		1545	req_set_path1 (req, pathname);
1189		1546
1190	REQ_SEND;	1547	REQ_SEND;
1191	}	1548	}
1192		1549
1193	void	1550	void
1194	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1551	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1195	ALIAS:	1552	ALIAS:
1196	aio_mtouch = EIO_MTOUCH	1553	aio_mtouch = EIO_MTOUCH
1197	aio_msync = EIO_MSYNC	1554	aio_msync = EIO_MSYNC
1198	PROTOTYPE: $$$$;$
1199	PPCODE:	1555	PPCODE:
1200	{	1556	{
1201	STRLEN svlen;	1557	STRLEN svlen;
		1558	char *svptr = SvPVbyte (data, svlen);
1202	UV len = SvUV (length);	1559	UV len = SvUV (length);
1203	char *svptr = SvPVbyte (data, svlen);
1204		1560
1205	if (offset < 0)	1561	if (offset < 0)
1206	offset += svlen;	1562	offset += svlen;
1207		1563
1208	if (offset < 0 || offset > svlen)	1564	if (offset < 0 || offset > svlen)
…		…
1213		1569
1214	{	1570	{
1215	dREQ;	1571	dREQ;
1216		1572
1217	req->type = ix;	1573	req->type = ix;
1218	req->size = len;
1219	req->sv2 = SvREFCNT_inc (data);	1574	req->sv2 = SvREFCNT_inc (data);
1220	req->ptr2 = (char *)svptr + offset;	1575	req->ptr2 = (char *)svptr + offset;
		1576	req->size = len;
1221	req->int1 = flags;	1577	req->int1 = flags;
1222		1578
1223	REQ_SEND;	1579	REQ_SEND;
1224	}	1580	}
1225	}	1581	}
1226		1582
1227	void	1583	void
		1584	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
		1585	PPCODE:
		1586	{
		1587	STRLEN svlen;
		1588	char *svptr = SvPVbyte (data, svlen);
		1589	UV len = SvUV (length);
		1590
		1591	if (offset < 0)
		1592	offset += svlen;
		1593
		1594	if (offset < 0 || offset > svlen)
		1595	croak ("offset outside of scalar");
		1596
		1597	if (!SvOK (length) || len + offset > svlen)
		1598	len = svlen - offset;
		1599
		1600	{
		1601	dREQ;
		1602
		1603	req->type = EIO_MLOCK;
		1604	req->sv2 = SvREFCNT_inc (data);
		1605	req->ptr2 = (char *)svptr + offset;
		1606	req->size = len;
		1607
		1608	REQ_SEND;
		1609	}
		1610	}
		1611
		1612	void
		1613	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
		1614	PPCODE:
		1615	{
		1616	dREQ;
		1617
		1618	req->type = EIO_MLOCKALL;
		1619	req->int1 = flags;
		1620
		1621	REQ_SEND;
		1622	}
		1623
		1624	void
		1625	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1626	PPCODE:
		1627	{
		1628	int fd = s_fileno_croak (fh, 0);
		1629	dREQ;
		1630
		1631	req->type = EIO_CUSTOM;
		1632	req->sv1 = newSVsv (fh);
		1633	req->int1 = fd;
		1634
		1635	req->feed = fiemap;
		1636	#if HAVE_FIEMAP
		1637	/* keep our fingers crossed that the next two types are 64 bit */
		1638	req->offs = start;
		1639	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1640	req->int2 = flags;
		1641	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1642	#endif
		1643
		1644	REQ_SEND;
		1645	}
		1646
		1647	void
1228	aio_busy (double delay, SV *callback=&PL_sv_undef)	1648	aio_busy (double delay, SV *callback = &PL_sv_undef)
1229	PPCODE:	1649	PPCODE:
1230	{	1650	{
1231	dREQ;	1651	dREQ;
1232		1652
1233	req->type = EIO_BUSY;	1653	req->type = EIO_BUSY;
…		…
1235		1655
1236	REQ_SEND;	1656	REQ_SEND;
1237	}	1657	}
1238		1658
1239	void	1659	void
1240	aio_group (SV *callback=&PL_sv_undef)	1660	aio_group (SV *callback = &PL_sv_undef)
1241	PROTOTYPE: ;$
1242	PPCODE:	1661	PPCODE:
1243	{	1662	{
1244	dREQ;	1663	dREQ;
1245		1664
1246	req->type = EIO_GROUP;	1665	req->type = EIO_GROUP;
1247		1666
		1667	PUTBACK;
1248	req_submit (req);	1668	req_submit (req);
		1669	SPAGAIN;
		1670
1249	XPUSHs (req_sv (req, aio_grp_stash));	1671	XPUSHs (req_sv (req, aio_grp_stash));
1250	}	1672	}
1251		1673
1252	void	1674	void
1253	aio_nop (SV *callback=&PL_sv_undef)	1675	aio_nop (SV *callback = &PL_sv_undef)
1254	ALIAS:	1676	ALIAS:
1255	aio_nop = EIO_NOP	1677	aio_nop = EIO_NOP
1256	aio_sync = EIO_SYNC	1678	aio_sync = EIO_SYNC
1257	PPCODE:	1679	PPCODE:
1258	{	1680	{
…		…
1262		1684
1263	REQ_SEND;	1685	REQ_SEND;
1264	}	1686	}
1265		1687
1266	int	1688	int
1267	aioreq_pri (int pri = 0)	1689	aioreq_pri (int pri = NO_INIT)
1268	PROTOTYPE: ;$
1269	CODE:	1690	CODE:
1270	RETVAL = next_pri;	1691	RETVAL = next_pri;
1271	if (items > 0)	1692	if (items > 0)
1272	{	1693	{
1273	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1694	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1285	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1706	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1286	next_pri = nice;	1707	next_pri = nice;
1287		1708
1288	void	1709	void
1289	flush ()	1710	flush ()
1290	PROTOTYPE:
1291	CODE:	1711	CODE:
1292	while (eio_nreqs ())	1712	while (eio_nreqs ())
1293	{	1713	{
1294	poll_wait ();	1714	poll_wait ();
1295	poll_cb ();	1715	poll_cb ();
1296	}	1716	}
1297		1717
1298	int	1718	int
1299	poll()	1719	poll ()
1300	PROTOTYPE:
1301	CODE:	1720	CODE:
1302	poll_wait ();	1721	poll_wait ();
1303	RETVAL = poll_cb ();	1722	RETVAL = poll_cb ();
1304	OUTPUT:	1723	OUTPUT:
1305	RETVAL	1724	RETVAL
1306		1725
1307	int	1726	int
1308	poll_fileno()	1727	poll_fileno ()
1309	PROTOTYPE:
1310	CODE:	1728	CODE:
1311	RETVAL = s_epipe_fd (&respipe);	1729	RETVAL = s_epipe_fd (&respipe);
1312	OUTPUT:	1730	OUTPUT:
1313	RETVAL	1731	RETVAL
1314		1732
1315	int	1733	int
1316	poll_cb(...)	1734	poll_cb (...)
1317	PROTOTYPE:	1735	PROTOTYPE:
1318	CODE:	1736	CODE:
1319	RETVAL = poll_cb ();	1737	RETVAL = poll_cb ();
1320	OUTPUT:	1738	OUTPUT:
1321	RETVAL	1739	RETVAL
1322		1740
1323	void	1741	void
1324	poll_wait()	1742	poll_wait ()
1325	PROTOTYPE:
1326	CODE:	1743	CODE:
1327	poll_wait ();	1744	poll_wait ();
1328		1745
1329	int	1746	int
1330	nreqs()	1747	nreqs ()
1331	PROTOTYPE:
1332	CODE:	1748	CODE:
1333	RETVAL = eio_nreqs ();	1749	RETVAL = eio_nreqs ();
1334	OUTPUT:	1750	OUTPUT:
1335	RETVAL	1751	RETVAL
1336		1752
1337	int	1753	int
1338	nready()	1754	nready ()
1339	PROTOTYPE:
1340	CODE:	1755	CODE:
1341	RETVAL = eio_nready ();	1756	RETVAL = eio_nready ();
1342	OUTPUT:	1757	OUTPUT:
1343	RETVAL	1758	RETVAL
1344		1759
1345	int	1760	int
1346	npending()	1761	npending ()
1347	PROTOTYPE:
1348	CODE:	1762	CODE:
1349	RETVAL = eio_npending ();	1763	RETVAL = eio_npending ();
1350	OUTPUT:	1764	OUTPUT:
1351	RETVAL	1765	RETVAL
1352		1766
1353	int	1767	int
1354	nthreads()	1768	nthreads ()
1355	PROTOTYPE:
1356	CODE:	1769	CODE:
1357	RETVAL = eio_nthreads ();	1770	RETVAL = eio_nthreads ();
1358	OUTPUT:	1771	OUTPUT:
1359	RETVAL	1772	RETVAL
1360		1773
1361	int	1774	int
1362	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1775	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1363	PROTOTYPE: $$$$
1364	CODE:	1776	CODE:
1365	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1366	RETVAL = posix_fadvise (fh, offset, length, advice);	1777	RETVAL = posix_fadvise (fh, offset, length, advice);
1367	#else
1368	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1369	#endif
1370	OUTPUT:	1778	OUTPUT:
1371	RETVAL	1779	RETVAL
1372		1780
1373	ssize_t	1781	IV
1374	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1782	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1375	PROTOTYPE: $$$$
1376	CODE:	1783	CODE:
1377	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1784	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1378	OUTPUT:	1785	OUTPUT:
1379	RETVAL	1786	RETVAL
1380		1787
1381	void	1788	void
1382	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1789	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1383	PROTOTYPE: $$$$$;$
1384	PPCODE:	1790	PPCODE:
1385	sv_unmagic (scalar, MMAP_MAGIC);	1791	sv_unmagic (scalar, MMAP_MAGIC);
1386	{	1792	{
1387	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1793	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1388	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1794	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1389	if (addr == (void *)-1)	1795	if (addr == (void *)-1)
1390	XSRETURN_NO;	1796	XSRETURN_NO;
1391		1797
		1798	sv_force_normal (scalar);
		1799
1392	/* we store the length in mg_obj, as namlen is I32 :/ */	1800	/* we store the length in mg_obj, as namlen is I32 :/ */
1393	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1801	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1394	->mg_obj = (SV *)length;	1802	->mg_obj = (SV *)length;
1395		1803
1396	SvUPGRADE (scalar, SVt_PV); /* nop... */	1804	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1805
1397	if (!(prot & PROT_WRITE))	1806	if (!(prot & PROT_WRITE))
1398	SvREADONLY_on (scalar);	1807	SvREADONLY_on (scalar);
		1808
		1809	if (SvLEN (scalar))
		1810	Safefree (SvPVX (scalar));
1399		1811
1400	SvPVX (scalar) = (char *)addr;	1812	SvPVX (scalar) = (char *)addr;
1401	SvCUR_set (scalar, length);	1813	SvCUR_set (scalar, length);
1402	SvLEN_set (scalar, 0);	1814	SvLEN_set (scalar, 0);
1403	SvPOK_only (scalar);	1815	SvPOK_only (scalar);
…		…
1405	XSRETURN_YES;	1817	XSRETURN_YES;
1406	}	1818	}
1407		1819
1408	void	1820	void
1409	munmap (SV *scalar)	1821	munmap (SV *scalar)
1410	PROTOTYPE: $
1411	CODE:	1822	CODE:
1412	sv_unmagic (scalar, MMAP_MAGIC);	1823	sv_unmagic (scalar, MMAP_MAGIC);
1413		1824
1414	int	1825	int
1415	mlockall (int flags)	1826	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1416	PROTOTYPE: $	1827	ALIAS:
		1828	mprotect = 1
1417	CODE:	1829	CODE:
		1830	{
		1831	STRLEN svlen;
		1832	void *addr = SvPVbyte (scalar, svlen);
		1833	STRLEN len = SvUV (length);
		1834
		1835	if (offset < 0)
		1836	offset += svlen;
		1837
		1838	if (offset < 0 || offset > svlen)
		1839	croak ("offset outside of scalar");
		1840
		1841	if (!SvOK (length) || len + offset > svlen)
		1842	len = svlen - offset;
		1843
		1844	addr = (void *)(((intptr_t)addr) + offset);
		1845	eio_page_align (&addr, &len);
		1846
		1847	switch (ix)
		1848	{
		1849	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1850	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1851	}
		1852	}
		1853	OUTPUT:
		1854	RETVAL
		1855
		1856	int
		1857	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
		1858	CODE:
		1859	{
		1860	STRLEN svlen;
		1861	void *addr = SvPVbyte (scalar, svlen);
		1862	size_t len = SvUV (length);
		1863
		1864	if (offset < 0)
		1865	offset += svlen;
		1866
		1867	if (offset < 0 || offset > svlen)
		1868	croak ("offset outside of scalar");
		1869
		1870	if (!SvOK (length) || len + offset > svlen)
		1871	len = svlen - offset;
		1872
		1873	addr = (void *)(((intptr_t)addr) + offset);
		1874	eio_page_align (&addr, &len);
1418	#if _POSIX_MEMLOCK	1875	#if _POSIX_MEMLOCK_RANGE
1419	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1876	RETVAL = munlock (addr, len);
1420	extern int mallopt (int, int);
1421	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1422	#endif
1423	mlockall (flags);
1424	#else	1877	#else
1425	RETVAL = -1;	1878	RETVAL = EIO_ENOSYS ();
1426	errno = ENOSYS;
1427	#endif	1879	#endif
		1880	}
1428	OUTPUT:	1881	OUTPUT:
1429	RETVAL	1882	RETVAL
1430		1883
1431	int	1884	int
1432	munlockall ()	1885	munlockall ()
1433	PROTOTYPE:
1434	CODE:	1886	CODE:
1435	#if _POSIX_MEMLOCK	1887	#if _POSIX_MEMLOCK
1436	munlockall ();	1888	munlockall ();
1437	#else	1889	#else
1438	RETVAL = -1;	1890	RETVAL = EIO_ENOSYS ();
1439	errno = ENOSYS;
1440	#endif	1891	#endif
1441	OUTPUT:	1892	OUTPUT:
1442	RETVAL	1893	RETVAL
		1894
		1895	int
		1896	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1897	CODE:
		1898	{
		1899	#if HAVE_LINUX_SPLICE
		1900	loff_t off_in_, off_out_;
		1901	RETVAL = splice (
		1902	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1903	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1904	length, flags
		1905	);
		1906	#else
		1907	RETVAL = EIO_ENOSYS ();
		1908	#endif
		1909	}
		1910	OUTPUT:
		1911	RETVAL
		1912
		1913	int
		1914	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		1915	CODE:
		1916	#if HAVE_LINUX_SPLICE
		1917	RETVAL = tee (rfh, wfh, length, flags);
		1918	#else
		1919	RETVAL = EIO_ENOSYS ();
		1920	#endif
		1921	OUTPUT:
		1922	RETVAL
		1923
		1924	int
		1925	pipesize (aio_rfd rfh, int new_size = -1)
		1926	PROTOTYPE: $;$
		1927	CODE:
		1928	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		1929	if (new_size >= 0)
		1930	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		1931	else
		1932	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		1933	#else
		1934	errno = ENOSYS;
		1935	RETVAL = -1;
		1936	#endif
		1937	OUTPUT:
		1938	RETVAL
		1939
		1940	void
		1941	pipe2 (int flags = 0)
		1942	PROTOTYPE: ;$
		1943	PPCODE:
		1944	{
		1945	int fd[2];
		1946	int res;
		1947
		1948	if (flags)
		1949	#if HAVE_PIPE2
		1950	res = pipe2 (fd, flags);
		1951	#else
		1952	res = (errno = ENOSYS, -1);
		1953	#endif
		1954	else
		1955	res = pipe (fd);
		1956
		1957	if (!res)
		1958	{
		1959	EXTEND (SP, 2);
		1960	PUSHs (newmortalFH (fd[0], O_RDONLY));
		1961	PUSHs (newmortalFH (fd[1], O_WRONLY));
		1962	}
		1963	}
1443		1964
1444	void _on_next_submit (SV *cb)	1965	void _on_next_submit (SV *cb)
1445	CODE:	1966	CODE:
1446	SvREFCNT_dec (on_next_submit);	1967	SvREFCNT_dec (on_next_submit);
1447	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1968	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1448		1969
1449	PROTOTYPES: DISABLE	1970	PROTOTYPES: DISABLE
1450		1971
		1972	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1973
		1974	BOOT:
		1975	{
		1976	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1977	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1978	}
		1979
		1980	void
		1981	DESTROY (SV *self)
		1982	CODE:
		1983	{
		1984	aio_wd wd = SvAIO_WD (self);
		1985	#if HAVE_AT
		1986	{
		1987	SV *callback = &PL_sv_undef;
		1988	dREQ; /* clobbers next_pri :/ */
		1989	next_pri = req->pri; /* restore next_pri */
		1990	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1991	req->type = EIO_WD_CLOSE;
		1992	req->wd = wd;
		1993	REQ_SEND;
		1994	}
		1995	#else
		1996	eio_wd_close_sync (wd);
		1997	#endif
		1998	}
		1999
1451	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2000	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1452		2001
1453	void	2002	void
1454	cancel (aio_req_ornot req)	2003	cancel (aio_req_ornot req)
1455	CODE:	2004	CODE:
1456	eio_cancel (req);	2005	eio_cancel (req);
1457		2006
1458	void	2007	void
1459	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2008	cb (aio_req_ornot req, SV *callback = NO_INIT)
1460	PPCODE:	2009	PPCODE:
1461	{	2010	{
1462	if (GIMME_V != G_VOID)	2011	if (GIMME_V != G_VOID)
1463	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2012	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1464		2013
1465	if (items > 1)	2014	if (items > 1)
1466	{	2015	{
1467	SV *cb_cv =get_cb (callback);	2016	SV *cb_cv = get_cb (callback);
1468		2017
1469	SvREFCNT_dec (req->callback);	2018	SvREFCNT_dec (req->callback);
1470	req->callback = SvREFCNT_inc (cb_cv);	2019	req->callback = SvREFCNT_inc (cb_cv);
1471	}	2020	}
1472	}	2021	}
…		…
1529	limit (aio_req grp, int limit)	2078	limit (aio_req grp, int limit)
1530	CODE:	2079	CODE:
1531	eio_grp_limit (grp, limit);	2080	eio_grp_limit (grp, limit);
1532		2081
1533	void	2082	void
1534	feed (aio_req grp, SV *callback=&PL_sv_undef)	2083	feed (aio_req grp, SV *callback = &PL_sv_undef)
1535	CODE:	2084	CODE:
1536	{	2085	{
1537	SvREFCNT_dec (grp->sv2);	2086	SvREFCNT_dec (grp->sv2);
1538	grp->sv2 = newSVsv (callback);	2087	grp->sv2 = newSVsv (callback);
1539	grp->feed = aio_grp_feed;	2088	grp->feed = aio_grp_feed;

Diff Legend

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