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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.209 by root, Sun Apr 1 17:46:02 2012 UTC vs.
Revision 1.250 by root, Fri Sep 22 05:20:39 2017 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. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		30	# include <linux/fs.h>
		31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
		33	# include <linux/fiemap.h>
		34	# define HAVE_FIEMAP 1
		35	# endif
22	#endif	36	#endif
23		37
24	/* perl namespace pollution */	38	/* perl namespace pollution */
25	#undef VERSION	39	#undef VERSION
26		40
…		…
77		91
78	#define EIO_STRUCT_STAT Stat_t	92	#define EIO_STRUCT_STAT Stat_t
79		93
80	#endif	94	#endif
81		95
82	/* use NV for 32 bit perls as it allows larger offsets */
83	#if IVSIZE >= 8
84	# define VAL64 IV
85	# define SvVAL64 SvIV
86	# define newSVval64 newSViv
87	#else
88	# define VAL64 NV
89	# define SvVAL64 SvNV
90	# define newSVval64 newSVnv
91	#endif
92
93	/*****************************************************************************/	96	/*****************************************************************************/
94		97
95	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
96	# define expect(expr,value) __builtin_expect ((expr),(value))	99	# define expect(expr,value) __builtin_expect ((expr),(value))
97	#else	100	#else
…		…
100		103
101	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
102	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
103		106
104	/*****************************************************************************/	107	/*****************************************************************************/
		108
		109	#include "libeio/config.h"
		110
		111	#if HAVE_RLIMITS
		112	#include <sys/time.h>
		113	#include <sys/resource.h>
		114	#endif
105		115
106	typedef SV SV8; /* byte-sv, used for argument-checking */	116	typedef SV SV8; /* byte-sv, used for argument-checking */
107	typedef int aio_rfd; /* read file desriptor */	117	typedef int aio_rfd; /* read file desriptor */
108	typedef int aio_wfd; /* write file descriptor */	118	typedef int aio_wfd; /* write file descriptor */
109		119
…		…
116	STRLEN stroffset; \	126	STRLEN stroffset; \
117	SV *self;	127	SV *self;
118		128
119	#define EIO_NO_WRAPPERS 1	129	#define EIO_NO_WRAPPERS 1
120		130
121	#include "libeio/config.h"
122	#include "libeio/eio.h"	131	#include "libeio/eio.h"
123		132
124	static int req_invoke (eio_req *req);	133	static int req_invoke (eio_req *req);
125	#define EIO_FINISH(req) req_invoke (req)	134	#define EIO_FINISH(req) req_invoke (req)
126	static void req_destroy (eio_req *grp);	135	static void req_destroy (eio_req *grp);
127	#define EIO_DESTROY(req) req_destroy (req)	136	#define EIO_DESTROY(req) req_destroy (req)
128		137
129	#include "libeio/eio.c"	138	#include "libeio/eio.c"
130		139
131	/* Linux/others */
132	#ifndef O_ASYNC
133	# define O_ASYNC 0
134	#endif
135	#ifndef O_DIRECT
136	# define O_DIRECT 0
137	#endif
138	#ifndef O_NOATIME
139	# define O_NOATIME 0
140	#endif
141
142	/* POSIX */
143	#ifndef O_CLOEXEC
144	# define O_CLOEXEC 0
145	#endif
146	#ifndef O_NOFOLLOW
147	# define O_NOFOLLOW 0
148	#endif
149	#ifndef O_NOCTTY
150	# define O_NOCTTY 0
151	#endif
152	#ifndef O_NONBLOCK
153	# define O_NONBLOCK 0
154	#endif
155	#ifndef O_EXEC
156	# define O_EXEC 0
157	#endif
158	#ifndef O_SEARCH
159	# define O_SEARCH 0
160	#endif
161	#ifndef O_DIRECTORY
162	# define O_DIRECTORY 0
163	#endif
164	#ifndef O_DSYNC
165	# define O_DSYNC 0
166	#endif
167	#ifndef O_RSYNC
168	# define O_RSYNC 0
169	#endif
170	#ifndef O_SYNC
171	# define O_SYNC 0
172	#endif
173	#ifndef O_TTY_INIT
174	# define O_TTY_INIT 0
175	#endif
176
177	#ifndef POSIX_FADV_NORMAL
178	# define POSIX_FADV_NORMAL 0
179	#endif
180	#ifndef POSIX_FADV_SEQUENTIAL
181	# define POSIX_FADV_SEQUENTIAL 0
182	#endif
183	#ifndef POSIX_FADV_RANDOM
184	# define POSIX_FADV_RANDOM 0
185	#endif
186	#ifndef POSIX_FADV_NOREUSE
187	# define POSIX_FADV_NOREUSE 0
188	#endif
189	#ifndef POSIX_FADV_WILLNEED
190	# define POSIX_FADV_WILLNEED 0
191	#endif
192	#ifndef POSIX_FADV_DONTNEED
193	# define POSIX_FADV_DONTNEED 0
194	#endif
195
196	#if !HAVE_POSIX_FADVISE	140	#if !HAVE_POSIX_FADVISE
197	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	141	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
198	#endif	142	#endif
199		143
200	#ifndef POSIX_MADV_NORMAL
201	# define POSIX_MADV_NORMAL 0
202	#endif
203	#ifndef POSIX_MADV_SEQUENTIAL
204	# define POSIX_MADV_SEQUENTIAL 0
205	#endif
206	#ifndef POSIX_MADV_RANDOM
207	# define POSIX_MADV_RANDOM 0
208	#endif
209	#ifndef POSIX_MADV_WILLNEED
210	# define POSIX_MADV_WILLNEED 0
211	#endif
212	#ifndef POSIX_MADV_DONTNEED
213	# define POSIX_MADV_DONTNEED 0
214	#endif
215
216	#if !HAVE_POSIX_MADVISE	144	#if !HAVE_POSIX_MADVISE
217	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	145	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
218	#endif
219
220	#ifndef PROT_NONE
221	# define PROT_NONE 0
222	#endif
223	#ifndef PROT_READ
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_WRITE
227	# define PROT_READ 0
228	#endif
229	#ifndef PROT_EXEC
230	# define PROT_EXEC 0
231	#endif
232
233	#ifndef ST_RDONLY
234	# define ST_RDONLY 0
235	#endif
236	#ifndef ST_NOSUID
237	# define ST_NOSUID 0
238	#endif
239	#ifndef ST_NODEV
240	# define ST_NODEV 0
241	#endif
242	#ifndef ST_NOEXEC
243	# define ST_NOEXEC 0
244	#endif
245	#ifndef ST_SYNCHRONOUS
246	# define ST_SYNCHRONOUS 0
247	#endif
248	#ifndef ST_MANDLOCK
249	# define ST_MANDLOCK 0
250	#endif
251	#ifndef ST_WRITE
252	# define ST_WRITE 0
253	#endif
254	#ifndef ST_APPEND
255	# define ST_APPEND 0
256	#endif
257	#ifndef ST_IMMUTABLE
258	# define ST_IMMUTABLE 0
259	#endif
260	#ifndef ST_NOATIME
261	# define ST_NOATIME 0
262	#endif
263	#ifndef ST_NODIRATIME
264	# define ST_NODIRATIME 0
265	#endif
266	#ifndef ST_RELATIME
267	# define ST_RELATIME 0
268	#endif
269
270	#ifndef S_IFIFO
271	# define S_IFIFO 0
272	#endif
273	#ifndef S_IFCHR
274	# define S_IFCHR 0
275	#endif
276	#ifndef S_IFBLK
277	# define S_IFBLK 0
278	#endif
279	#ifndef S_IFLNK
280	# define S_IFLNK 0
281	#endif
282	#ifndef S_IFREG
283	# define S_IFREG 0
284	#endif
285	#ifndef S_IFDIR
286	# define S_IFDIR 0
287	#endif
288	#ifndef S_IFWHT
289	# define S_IFWHT 0
290	#endif
291	#ifndef S_IFSOCK
292	# define S_IFSOCK 0
293	#endif	146	#endif
294		147
295	#ifndef MAP_ANONYMOUS	148	#ifndef MAP_ANONYMOUS
296	# ifdef MAP_ANON	149	# ifdef MAP_ANON
297	# define MAP_ANONYMOUS MAP_ANON	150	# define MAP_ANONYMOUS MAP_ANON
298	# else	151	# else
299	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
300	# endif	153	# endif
301	#endif	154	#endif
302	#ifndef MAP_HUGETLB	155
303	# define MAP_HUGETLB 0	156	/* defines all sorts of constants to 0 unless they are already defined */
304	#endif	157	/* also provides const_iv_ and const_niv_ macros for them */
305	#ifndef MAP_LOCKED	158	#include "def0.h"
306	# define MAP_LOCKED 0
307	#endif
308	#ifndef MAP_NORESERVE
309	# define MAP_NORESERVE 0
310	#endif
311	#ifndef MAP_POPULATE
312	# define MAP_POPULATE 0
313	#endif
314	#ifndef MAP_NONBLOCK
315	# define MAP_NONBLOCK 0
316	#endif
317		159
318	#ifndef makedev	160	#ifndef makedev
319	# define makedev(maj,min) (((maj) << 8) | (min))	161	# define makedev(maj,min) (((maj) << 8) | (min))
320	#endif	162	#endif
321	#ifndef major	163	#ifndef major
…		…
323	#endif	165	#endif
324	#ifndef minor	166	#ifndef minor
325	# define minor(dev) ((dev) & 0xff)	167	# define minor(dev) ((dev) & 0xff)
326	#endif	168	#endif
327		169
328	#ifndef PAGESIZE	170	#if PAGESIZE <= 0
329	# define PAGESIZE sysconf (_SC_PAGESIZE)	171	# define PAGESIZE sysconf (_SC_PAGESIZE)
330	#endif	172	#endif
		173
		174	/*****************************************************************************/
		175
		176	static void
		177	fiemap (eio_req *req)
		178	{
		179	req->result = -1;
		180
		181	#if HAVE_FIEMAP
		182	/* assume some c99 */
		183	struct fiemap *fiemap = 0;
		184	size_t end_offset;
		185	int count = req->int3;
		186
		187	req->flags |= EIO_FLAG_PTR1_FREE;
		188
		189	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		190	/* increase in 3.5kb steps */
		191	if (count < 0)
		192	count = 8;
		193
		194	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		195	errno = ENOMEM;
		196	if (!fiemap)
		197	return;
		198
		199	req->ptr1 = fiemap;
		200
		201	fiemap->fm_start = req->offs;
		202	fiemap->fm_length = req->size;
		203	fiemap->fm_flags = req->int2;
		204	fiemap->fm_extent_count = count;
		205
		206	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		207	return;
		208
		209	if (req->int3 >= 0 /* not autosizing */
		210	|| !fiemap->fm_mapped_extents /* no more extents */
		211	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		212	goto done;
		213
		214	/* else we have to loop -
		215	* it would be tempting (actually I tried that first) to just query the
		216	* number of extents needed, but linux often feels like not returning all
		217	* extents, without telling us it left any out. this complicates
		218	* this quite a bit.
		219	*/
		220
		221	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		222
		223	for (;;)
		224	{
		225	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		226	char scratch[3072];
		227	struct fiemap *incmap = (struct fiemap *)scratch;
		228
		229	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		230	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		231	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		232	incmap->fm_flags = fiemap->fm_flags;
		233	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		234
		235	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		236	return;
		237
		238	if (!incmap->fm_mapped_extents)
		239	goto done;
		240
		241	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		242	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		243	errno = ENOMEM;
		244	if (!fiemap)
		245	return;
		246
		247	req->ptr1 = fiemap;
		248
		249	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		250	{
		251	struct fiemap_extent *e = incmap->fm_extents + count;
		252
		253	if (e->fe_logical + e->fe_length >= end_offset)
		254	goto done;
		255
		256	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		257
		258	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		259	goto done;
		260
		261	}
		262	}
		263
		264	done:
		265	req->result = 0;
		266
		267	#else
		268	errno = ENOSYS;
		269	#endif
		270	}
		271
		272	/*****************************************************************************/
331		273
332	enum {	274	enum {
333	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	275	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
334	};	276	};
335		277
…		…
374	}	316	}
375		317
376	static SV *	318	static SV *
377	newSVaio_wd (aio_wd wd)	319	newSVaio_wd (aio_wd wd)
378	{	320	{
379	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	321	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
380	}	322	}
381		323
382	static aio_req	324	static aio_req
383	SvAIO_REQ (SV *sv)	325	SvAIO_REQ (SV *sv)
384	{	326	{
…		…
403	|| SvTYPE (SvRV (sv)) != SVt_PVMG	345	|| SvTYPE (SvRV (sv)) != SVt_PVMG
404	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	346	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
405	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	347	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
406		348
407	return (aio_wd)(long)SvIVX (SvRV (sv));	349	return (aio_wd)(long)SvIVX (SvRV (sv));
		350	}
		351
		352	static SV *
		353	newmortalFH (int fd, int flags)
		354	{
		355	if (fd < 0)
		356	return &PL_sv_undef;
		357
		358	GV *gv = (GV *)sv_newmortal ();
		359	char sym[64];
		360	int symlen;
		361
		362	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		363	gv_init (gv, aio_stash, sym, symlen, 0);
		364
		365	symlen = snprintf (
		366	sym,
		367	sizeof (sym),
		368	"%s&=%d",
		369	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		370	fd
		371	);
		372
		373	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		374	? (SV *)gv : &PL_sv_undef;
408	}	375	}
409		376
410	static void	377	static void
411	aio_grp_feed (aio_req grp)	378	aio_grp_feed (aio_req grp)
412	{	379	{
…		…
540	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	507	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
541	}	508	}
542	break;	509	break;
543		510
544	case EIO_OPEN:	511	case EIO_OPEN:
545	{	512	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
546	/* convert fd to fh */
547	SV *fh = &PL_sv_undef;
548
549	if (req->result >= 0)
550	{
551	GV *gv = (GV *)sv_newmortal ();
552	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
553	char sym [64];
554	int symlen;
555
556	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
557	gv_init (gv, aio_stash, sym, symlen, 0);
558
559	symlen = snprintf (
560	sym,
561	sizeof (sym),
562	"%s&=%d",
563	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
564	(int)req->result
565	);
566
567	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
568	fh = (SV *)gv;
569	}
570
571	PUSHs (fh);
572	}
573	break;	513	break;
574		514
575	case EIO_STATVFS:	515	case EIO_STATVFS:
576	case EIO_FSTATVFS:	516	case EIO_FSTATVFS:
577	{	517	{
…		…
580	#ifndef _WIN32	520	#ifndef _WIN32
581	if (req->result >= 0)	521	if (req->result >= 0)
582	{	522	{
583	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	523	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
584	HV *hv = newHV ();	524	HV *hv = newHV ();
		525	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		526	* chooses to make it a struct.
		527	*/
		528	unsigned long fsid = 0;
		529	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
585		530
586	rv = sv_2mortal (newRV_noinc ((SV *)hv));	531	rv = sv_2mortal (newRV_noinc ((SV *)hv));
587		532
588	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	533	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
589	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	534	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
591	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	536	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
592	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	537	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
593	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	538	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
594	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	539	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
595	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	540	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
596	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	541	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
597	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	542	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
598	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	543	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
599	}	544	}
600	#endif	545	#endif
601		546
…		…
652	SvSETMAGIC (req->sv2);	597	SvSETMAGIC (req->sv2);
653	PUSHs (sv_result);	598	PUSHs (sv_result);
654	}	599	}
655	break;	600	break;
656		601
		602	case EIO_CUSTOM:
		603	if (req->feed == fiemap)
		604	{
		605	#if HAVE_FIEMAP
		606	if (!req->result)
		607	{
		608	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		609
		610	if (fiemap->fm_extent_count)
		611	{
		612	AV *av = newAV ();
		613	int i;
		614
		615	while (fiemap->fm_mapped_extents)
		616	{
		617	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		618	AV *ext_av = newAV ();
		619
		620	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		621	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		622	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		623	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		624
		625	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		626	}
		627
		628	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		629	}
		630	else
		631	{
		632	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		633	PUSHs (sv_result);
		634	}
		635	}
		636	#endif
		637	}
		638	else
		639	PUSHs (sv_result);
		640	break;
		641
657	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	642	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
658	if (req->result > 0)	643	if (req->result > 0)
659	SvIV_set (sv_result, 0);	644	SvIV_set (sv_result, 0);
660	/* FALLTHROUGH */	645	/* FALLTHROUGH */
661		646
…		…
726	{	711	{
727	while (eio_nreqs ())	712	while (eio_nreqs ())
728	{	713	{
729	int size;	714	int size;
730		715
731	X_LOCK (reslock);	716	X_LOCK (EIO_POOL->reslock);
732	size = res_queue.size;	717	size = EIO_POOL->res_queue.size;
733	X_UNLOCK (reslock);	718	X_UNLOCK (EIO_POOL->reslock);
734		719
735	if (size)	720	if (size)
736	return;	721	return;
737		722
738	etp_maybe_start_thread ();	723	etp_maybe_start_thread (EIO_POOL);
739		724
740	s_epipe_wait (&respipe);	725	s_epipe_wait (&respipe);
741	}	726	}
742	}	727	}
743		728
…		…
768	}	753	}
769		754
770	/*****************************************************************************/	755	/*****************************************************************************/
771		756
772	#if !_POSIX_MAPPED_FILES	757	#if !_POSIX_MAPPED_FILES
773	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	758	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
774	# define munmap(addr,length) (errno = ENOSYS, -1)	759	# define munmap(addr,length) EIO_ENOSYS ()
775	#endif	760	#endif
776		761
777	#if !_POSIX_MEMORY_PROTECTION	762	#if !_POSIX_MEMORY_PROTECTION
778	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)	763	# define mprotect(addr,len,prot) EIO_ENOSYS ()
779	# define PROT_NONE 0
780	# define PROT_WRITE 0
781	# define MAP_PRIVATE 0
782	# define MAP_SHARED 0
783	# define MAP_FIXED 0
784	#endif	764	#endif
785		765
786	#define MMAP_MAGIC PERL_MAGIC_ext	766	#define MMAP_MAGIC PERL_MAGIC_ext
787		767
788	static int ecb_cold	768	static int ecb_cold
…		…
927	IV iv;	907	IV iv;
928	} *civ, const_iv[] = {	908	} *civ, const_iv[] = {
929	# define const_niv(name, value) { # name, (IV) value },	909	# define const_niv(name, value) { # name, (IV) value },
930	# define const_iv(name) { # name, (IV) name },	910	# define const_iv(name) { # name, (IV) name },
931	# define const_eio(name) { # name, (IV) EIO_ ## name },	911	# define const_eio(name) { # name, (IV) EIO_ ## name },
		912
		913	/* you have to re-run ./gendef0 after adding/removing any constants here */
		914	/* the first block can be undef if missing */
		915	const_iv (ENOSYS)
932	const_iv (EXDEV)	916	const_iv (EXDEV)
933	const_iv (ENOSYS)	917	const_iv (EBADR)
		918
		919	/* for lseek */
		920	const_iv (SEEK_DATA)
		921	const_iv (SEEK_HOLE)
		922
		923	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		924	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		925	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		926	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		927	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		928	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		929
		930	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		931	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		932	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		933	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		934	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		935
		936	/* the second block will be 0 when missing */
934	const_iv (O_RDONLY)	937	const_iv (O_RDONLY)
935	const_iv (O_WRONLY)	938	const_iv (O_WRONLY)
936	const_iv (O_RDWR)	939	const_iv (O_RDWR)
937	const_iv (O_CREAT)	940	const_iv (O_CREAT)
938	const_iv (O_TRUNC)	941	const_iv (O_TRUNC)
…		…
951	const_iv (O_SEARCH)	954	const_iv (O_SEARCH)
952	const_iv (O_DIRECTORY)	955	const_iv (O_DIRECTORY)
953	const_iv (O_DSYNC)	956	const_iv (O_DSYNC)
954	const_iv (O_RSYNC)	957	const_iv (O_RSYNC)
955	const_iv (O_SYNC)	958	const_iv (O_SYNC)
		959	const_iv (O_PATH)
		960	const_iv (O_TMPFILE)
956	const_iv (O_TTY_INIT)	961	const_iv (O_TTY_INIT)
957		962
958	const_iv (S_IFIFO)	963	const_iv (S_IFIFO)
959	const_iv (S_IFCHR)	964	const_iv (S_IFCHR)
960	const_iv (S_IFBLK)	965	const_iv (S_IFBLK)
…		…
962	const_iv (S_IFREG)	967	const_iv (S_IFREG)
963	const_iv (S_IFDIR)	968	const_iv (S_IFDIR)
964	const_iv (S_IFWHT)	969	const_iv (S_IFWHT)
965	const_iv (S_IFSOCK)	970	const_iv (S_IFSOCK)
966	const_iv (S_IFMT)	971	const_iv (S_IFMT)
967
968	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
969	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
970	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
971	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
972	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
973	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
974
975	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
976	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
977	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
978	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
979	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
980		972
981	const_iv (ST_RDONLY)	973	const_iv (ST_RDONLY)
982	const_iv (ST_NOSUID)	974	const_iv (ST_NOSUID)
983	const_iv (ST_NODEV)	975	const_iv (ST_NODEV)
984	const_iv (ST_NOEXEC)	976	const_iv (ST_NOEXEC)
…		…
994	const_iv (PROT_NONE)	986	const_iv (PROT_NONE)
995	const_iv (PROT_EXEC)	987	const_iv (PROT_EXEC)
996	const_iv (PROT_READ)	988	const_iv (PROT_READ)
997	const_iv (PROT_WRITE)	989	const_iv (PROT_WRITE)
998		990
999	/*const_iv (MAP_FIXED)*/
1000	const_iv (MAP_PRIVATE)	991	const_iv (MAP_PRIVATE)
1001	const_iv (MAP_SHARED)	992	const_iv (MAP_SHARED)
		993	const_iv (MAP_FIXED)
1002	const_iv (MAP_ANONYMOUS)	994	const_iv (MAP_ANONYMOUS)
1003		995
1004	/* linuxish */	996	/* linuxish */
1005	const_iv (MAP_HUGETLB)
1006	const_iv (MAP_LOCKED)	997	const_iv (MAP_LOCKED)
1007	const_iv (MAP_NORESERVE)	998	const_iv (MAP_NORESERVE)
1008	const_iv (MAP_POPULATE)	999	const_iv (MAP_POPULATE)
1009	const_iv (MAP_NONBLOCK)	1000	const_iv (MAP_NONBLOCK)
		1001	const_iv (MAP_GROWSDOWN)
		1002	const_iv (MAP_32BIT)
		1003	const_iv (MAP_HUGETLB)
		1004	const_iv (MAP_STACK)
1010		1005
		1006	const_iv (F_DUPFD_CLOEXEC)
		1007
		1008	const_iv (F_OFD_GETLK)
		1009	const_iv (F_OFD_SETLK)
		1010	const_iv (F_OFD_GETLKW)
		1011
		1012	const_iv (FIFREEZE)
		1013	const_iv (FITHAW)
		1014	const_iv (FITRIM)
		1015	const_iv (FICLONE)
		1016	const_iv (FICLONERANGE)
		1017	const_iv (FIDEDUPERANGE)
		1018
		1019	const_iv (FS_IOC_GETFLAGS)
		1020	const_iv (FS_IOC_SETFLAGS)
		1021	const_iv (FS_IOC_GETVERSION)
		1022	const_iv (FS_IOC_SETVERSION)
		1023	const_iv (FS_IOC_FIEMAP)
		1024	const_iv (FS_IOC_FSGETXATTR)
		1025	const_iv (FS_IOC_FSSETXATTR)
		1026	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1027	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1028	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1029
		1030	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1031
		1032	const_iv (FS_SECRM_FL)
		1033	const_iv (FS_UNRM_FL)
		1034	const_iv (FS_COMPR_FL)
		1035	const_iv (FS_SYNC_FL)
		1036	const_iv (FS_IMMUTABLE_FL)
		1037	const_iv (FS_APPEND_FL)
		1038	const_iv (FS_NODUMP_FL)
		1039	const_iv (FS_NOATIME_FL)
		1040	const_iv (FS_DIRTY_FL)
		1041	const_iv (FS_COMPRBLK_FL)
		1042	const_iv (FS_NOCOMP_FL)
		1043	const_iv (FS_ENCRYPT_FL)
		1044	const_iv (FS_BTREE_FL)
		1045	const_iv (FS_INDEX_FL)
		1046	const_iv (FS_JOURNAL_DATA_FL)
		1047	const_iv (FS_NOTAIL_FL)
		1048	const_iv (FS_DIRSYNC_FL)
		1049	const_iv (FS_TOPDIR_FL)
		1050	const_iv (FS_FL_USER_MODIFIABLE)
		1051
		1052	const_iv (FS_XFLAG_REALTIME)
		1053	const_iv (FS_XFLAG_PREALLOC)
		1054	const_iv (FS_XFLAG_IMMUTABLE)
		1055	const_iv (FS_XFLAG_APPEND)
		1056	const_iv (FS_XFLAG_SYNC)
		1057	const_iv (FS_XFLAG_NOATIME)
		1058	const_iv (FS_XFLAG_NODUMP)
		1059	const_iv (FS_XFLAG_RTINHERIT)
		1060	const_iv (FS_XFLAG_PROJINHERIT)
		1061	const_iv (FS_XFLAG_NOSYMLINKS)
		1062	const_iv (FS_XFLAG_EXTSIZE)
		1063	const_iv (FS_XFLAG_EXTSZINHERIT)
		1064	const_iv (FS_XFLAG_NODEFRAG)
		1065	const_iv (FS_XFLAG_FILESTREAM)
		1066	const_iv (FS_XFLAG_DAX)
		1067	const_iv (FS_XFLAG_HASATTR)
		1068
		1069	const_iv (FIEMAP_FLAG_SYNC)
		1070	const_iv (FIEMAP_FLAG_XATTR)
		1071	const_iv (FIEMAP_FLAGS_COMPAT)
		1072	const_iv (FIEMAP_EXTENT_LAST)
		1073	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1074	const_iv (FIEMAP_EXTENT_DELALLOC)
		1075	const_iv (FIEMAP_EXTENT_ENCODED)
		1076	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1077	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1078	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1079	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1080	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1081	const_iv (FIEMAP_EXTENT_MERGED)
		1082	const_iv (FIEMAP_EXTENT_SHARED)
		1083
		1084	const_iv (SPLICE_F_MOVE)
		1085	const_iv (SPLICE_F_NONBLOCK)
		1086	const_iv (SPLICE_F_MORE)
		1087	const_iv (SPLICE_F_GIFT)
		1088
		1089	/* these are libeio constants, and are independent of gendef0 */
1011	const_eio (SEEK_SET)	1090	const_eio (SEEK_SET)
1012	const_eio (SEEK_CUR)	1091	const_eio (SEEK_CUR)
1013	const_eio (SEEK_END)	1092	const_eio (SEEK_END)
1014		1093
1015	const_eio (MCL_FUTURE)	1094	const_eio (MCL_FUTURE)
…		…
1024	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1103	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1025	const_eio (SYNC_FILE_RANGE_WRITE)	1104	const_eio (SYNC_FILE_RANGE_WRITE)
1026	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1105	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1027		1106
1028	const_eio (FALLOC_FL_KEEP_SIZE)	1107	const_eio (FALLOC_FL_KEEP_SIZE)
		1108	const_eio (FALLOC_FL_PUNCH_HOLE)
		1109	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1110	const_eio (FALLOC_FL_ZERO_RANGE)
		1111	const_eio (FALLOC_FL_INSERT_RANGE)
		1112	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1113
		1114	const_eio (RENAME_NOREPLACE)
		1115	const_eio (RENAME_EXCHANGE)
		1116	const_eio (RENAME_WHITEOUT)
1029		1117
1030	const_eio (READDIR_DENTS)	1118	const_eio (READDIR_DENTS)
1031	const_eio (READDIR_DIRS_FIRST)	1119	const_eio (READDIR_DIRS_FIRST)
1032	const_eio (READDIR_STAT_ORDER)	1120	const_eio (READDIR_STAT_ORDER)
1033	const_eio (READDIR_FOUND_UNKNOWN)	1121	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1101	PROTOTYPE: $	1189	PROTOTYPE: $
1102	CODE:	1190	CODE:
1103	max_outstanding = maxreqs;	1191	max_outstanding = maxreqs;
1104		1192
1105	void	1193	void
1106	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1194	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1107	PPCODE:	1195	PPCODE:
1108	{	1196	{
1109	dREQ;	1197	dREQ;
1110		1198
1111	req->type = EIO_WD_OPEN;	1199	req->type = EIO_WD_OPEN;
…		…
1113		1201
1114	REQ_SEND;	1202	REQ_SEND;
1115	}	1203	}
1116		1204
1117	void	1205	void
1118	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1206	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1119	PPCODE:	1207	PPCODE:
1120	{	1208	{
1121	dREQ;	1209	dREQ;
1122		1210
1123	req->type = EIO_OPEN;	1211	req->type = EIO_OPEN;
…		…
1127		1215
1128	REQ_SEND;	1216	REQ_SEND;
1129	}	1217	}
1130		1218
1131	void	1219	void
1132	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1220	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1133	ALIAS:	1221	ALIAS:
1134	aio_fsync = EIO_FSYNC	1222	aio_fsync = EIO_FSYNC
1135	aio_fdatasync = EIO_FDATASYNC	1223	aio_fdatasync = EIO_FDATASYNC
1136	aio_syncfs = EIO_SYNCFS	1224	aio_syncfs = EIO_SYNCFS
1137	PPCODE:	1225	PPCODE:
1138	{	1226	{
1139	int fd = s_fileno_croak (fh, 0);	1227	int fd = s_fileno_croak (fh, 0);
1140	dREQ;	1228	dREQ;
1141		1229
1142	req->type = ix;	1230	req->type = ix;
1143	req->sv1 = newSVsv (fh);	1231	req->sv1 = newSVsv (fh);
1144	req->int1 = fd;	1232	req->int1 = fd;
1145		1233
1146	REQ_SEND;	1234	REQ_SEND;
1147	}	1235	}
1148		1236
1149	void	1237	void
1150	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1238	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1151	PPCODE:	1239	PPCODE:
1152	{	1240	{
1153	int fd = s_fileno_croak (fh, 0);	1241	int fd = s_fileno_croak (fh, 0);
1154	dREQ;	1242	dREQ;
1155		1243
1156	req->type = EIO_SYNC_FILE_RANGE;	1244	req->type = EIO_SYNC_FILE_RANGE;
1157	req->sv1 = newSVsv (fh);	1245	req->sv1 = newSVsv (fh);
1158	req->int1 = fd;	1246	req->int1 = fd;
…		…
1162		1250
1163	REQ_SEND;	1251	REQ_SEND;
1164	}	1252	}
1165		1253
1166	void	1254	void
1167	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1255	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1168	PPCODE:	1256	PPCODE:
1169	{	1257	{
1170	int fd = s_fileno_croak (fh, 0);	1258	int fd = s_fileno_croak (fh, 0);
1171	dREQ;	1259	dREQ;
1172		1260
1173	req->type = EIO_FALLOCATE;	1261	req->type = EIO_FALLOCATE;
1174	req->sv1 = newSVsv (fh);	1262	req->sv1 = newSVsv (fh);
1175	req->int1 = fd;	1263	req->int1 = fd;
…		…
1179		1267
1180	REQ_SEND;	1268	REQ_SEND;
1181	}	1269	}
1182		1270
1183	void	1271	void
1184	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1272	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1185	PPCODE:	1273	PPCODE:
1186	{	1274	{
1187	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1275	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1188	int fd = s_fileno_croak (fh, 0);	1276	int fd = s_fileno_croak (fh, 0);
1189	dREQ;	1277	dREQ;
1190		1278
1191	if (expect_false (close_fd < 0))	1279	if (expect_false (close_fd < 0))
1192	{	1280	{
1193	int pipefd [2];	1281	int pipefd [2];
…		…
1213		1301
1214	REQ_SEND;	1302	REQ_SEND;
1215	}	1303	}
1216		1304
1217	void	1305	void
1218	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1306	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1219	PPCODE:	1307	PPCODE:
1220	{	1308	{
1221	STRLEN svlen;
1222	int fd = s_fileno_croak (fh, 0);	1309	int fd = s_fileno_croak (fh, 0);
1223	dREQ;	1310	dREQ;
1224		1311
1225	req->type = EIO_SEEK;	1312	req->type = EIO_SEEK;
1226	req->sv1 = newSVsv (fh);	1313	req->sv1 = newSVsv (fh);
…		…
1230		1317
1231	REQ_SEND;	1318	REQ_SEND;
1232	}	1319	}
1233		1320
1234	void	1321	void
1235	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1322	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1236	ALIAS:	1323	ALIAS:
1237	aio_read = EIO_READ	1324	aio_read = EIO_READ
1238	aio_write = EIO_WRITE	1325	aio_write = EIO_WRITE
1239	PPCODE:	1326	PPCODE:
1240	{	1327	{
…		…
1256	len = svlen - dataoffset;	1343	len = svlen - dataoffset;
1257	}	1344	}
1258	else	1345	else
1259	{	1346	{
1260	/* read: check type and grow scalar as necessary */	1347	/* read: check type and grow scalar as necessary */
1261	SvUPGRADE (data, SVt_PV);	1348	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1262	svptr = SvGROW (data, len + dataoffset + 1);	1349	svptr = sv_grow (data, len + dataoffset + 1);
		1350	else if (SvCUR (data) < len + dataoffset)
		1351	croak ("length + dataoffset outside of scalar, and cannot grow");
1263	}	1352	}
1264		1353
1265	{	1354	{
1266	dREQ;	1355	dREQ;
1267		1356
…		…
1283	REQ_SEND;	1372	REQ_SEND;
1284	}	1373	}
1285	}	1374	}
1286		1375
1287	void	1376	void
		1377	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1378	ALIAS:
		1379	aio_ioctl = EIO_IOCTL
		1380	aio_fcntl = EIO_FCNTL
		1381	PPCODE:
		1382	{
		1383	int fd = s_fileno_croak (fh, 0);
		1384	char *svptr;
		1385
		1386	if (SvPOK (arg) || !SvNIOK (arg))
		1387	{
		1388	STRLEN svlen;
		1389	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1390	#ifdef IOCPARM_LEN
		1391	STRLEN need = IOCPARM_LEN (request);
		1392	#else
		1393	STRLEN need = 256;
		1394	#endif
		1395
		1396	if (svlen < need)
		1397	svptr = SvGROW (arg, need);
		1398	}
		1399	else
		1400	svptr = (char *)SvIV (arg);
		1401
		1402	{
		1403	dREQ;
		1404
		1405	req->type = ix;
		1406	req->sv1 = newSVsv (fh);
		1407	req->int1 = fd;
		1408	req->int2 = (long)request;
		1409	req->sv2 = SvREFCNT_inc (arg);
		1410	req->ptr2 = svptr;
		1411
		1412	REQ_SEND;
		1413	}
		1414	}
		1415
		1416	void
1288	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1417	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1289	ALIAS:	1418	ALIAS:
1290	aio_readlink = EIO_READLINK	1419	aio_readlink = EIO_READLINK
1291	aio_realpath = EIO_REALPATH	1420	aio_realpath = EIO_REALPATH
1292	PPCODE:	1421	PPCODE:
1293	{	1422	{
…		…
1298		1427
1299	REQ_SEND;	1428	REQ_SEND;
1300	}	1429	}
1301		1430
1302	void	1431	void
1303	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1432	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1304	PPCODE:	1433	PPCODE:
1305	{	1434	{
1306	int ifd = s_fileno_croak (in_fh , 0);	1435	int ifd = s_fileno_croak (in_fh , 0);
1307	int ofd = s_fileno_croak (out_fh, 1);	1436	int ofd = s_fileno_croak (out_fh, 1);
1308	dREQ;	1437	dREQ;
1309		1438
1310	req->type = EIO_SENDFILE;	1439	req->type = EIO_SENDFILE;
1311	req->sv1 = newSVsv (out_fh);	1440	req->sv1 = newSVsv (out_fh);
1312	req->int1 = ofd;	1441	req->int1 = ofd;
…		…
1317		1446
1318	REQ_SEND;	1447	REQ_SEND;
1319	}	1448	}
1320		1449
1321	void	1450	void
1322	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1451	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1323	PPCODE:	1452	PPCODE:
1324	{	1453	{
1325	int fd = s_fileno_croak (fh, 0);	1454	int fd = s_fileno_croak (fh, 0);
1326	dREQ;	1455	dREQ;
1327		1456
1328	req->type = EIO_READAHEAD;	1457	req->type = EIO_READAHEAD;
1329	req->sv1 = newSVsv (fh);	1458	req->sv1 = newSVsv (fh);
1330	req->int1 = fd;	1459	req->int1 = fd;
…		…
1333		1462
1334	REQ_SEND;	1463	REQ_SEND;
1335	}	1464	}
1336		1465
1337	void	1466	void
1338	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1467	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1339	ALIAS:	1468	ALIAS:
1340	aio_stat = EIO_STAT	1469	aio_stat = EIO_STAT
1341	aio_lstat = EIO_LSTAT	1470	aio_lstat = EIO_LSTAT
1342	aio_statvfs = EIO_STATVFS	1471	aio_statvfs = EIO_STATVFS
1343	PPCODE:	1472	PPCODE:
…		…
1352	UV	1481	UV
1353	major (UV dev)	1482	major (UV dev)
1354	ALIAS:	1483	ALIAS:
1355	minor = 1	1484	minor = 1
1356	CODE:	1485	CODE:
1357	RETVAL = ix ? major (dev) : minor (dev);	1486	RETVAL = ix ? minor (dev) : major (dev);
1358	OUTPUT:	1487	OUTPUT:
1359	RETVAL	1488	RETVAL
1360		1489
1361	UV	1490	UV
1362	makedev (UV maj, UV min)	1491	makedev (UV maj, UV min)
…		…
1364	RETVAL = makedev (maj, min);	1493	RETVAL = makedev (maj, min);
1365	OUTPUT:	1494	OUTPUT:
1366	RETVAL	1495	RETVAL
1367		1496
1368	void	1497	void
1369	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1498	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1370	PPCODE:	1499	PPCODE:
1371	{	1500	{
1372	dREQ;	1501	dREQ;
1373		1502
1374	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1503	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1377		1506
1378	REQ_SEND;	1507	REQ_SEND;
1379	}	1508	}
1380		1509
1381	void	1510	void
1382	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1511	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1383	PPCODE:	1512	PPCODE:
1384	{	1513	{
1385	dREQ;	1514	dREQ;
1386		1515
1387	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1516	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1389		1518
1390	REQ_SEND;	1519	REQ_SEND;
1391	}	1520	}
1392		1521
1393	void	1522	void
1394	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1523	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1395	PPCODE:	1524	PPCODE:
1396	{	1525	{
1397	dREQ;	1526	dREQ;
1398		1527
1399	req->int2 = mode;	1528	req->int2 = mode;
…		…
1401		1530
1402	REQ_SEND;	1531	REQ_SEND;
1403	}	1532	}
1404		1533
1405	void	1534	void
1406	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1535	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1407	PPCODE:	1536	PPCODE:
1408	{	1537	{
1409	dREQ;	1538	dREQ;
1410		1539
1411	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1540	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1414		1543
1415	REQ_SEND;	1544	REQ_SEND;
1416	}	1545	}
1417		1546
1418	void	1547	void
1419	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1548	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1420	PPCODE:	1549	PPCODE:
1421	{	1550	{
1422	dREQ;	1551	dREQ;
1423		1552
1424	req->type = EIO_READDIR;	1553	req->type = EIO_READDIR;
…		…
1431		1560
1432	REQ_SEND;	1561	REQ_SEND;
1433	}	1562	}
1434		1563
1435	void	1564	void
1436	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1565	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1437	PPCODE:	1566	PPCODE:
1438	{	1567	{
1439	dREQ;	1568	dREQ;
1440		1569
1441	req->type = EIO_MKDIR;	1570	req->type = EIO_MKDIR;
…		…
1444		1573
1445	REQ_SEND;	1574	REQ_SEND;
1446	}	1575	}
1447		1576
1448	void	1577	void
1449	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1578	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1450	ALIAS:	1579	ALIAS:
1451	aio_unlink = EIO_UNLINK	1580	aio_unlink = EIO_UNLINK
1452	aio_rmdir = EIO_RMDIR	1581	aio_rmdir = EIO_RMDIR
1453	aio_readdir = EIO_READDIR	1582	aio_readdir = EIO_READDIR
1454	PPCODE:	1583	PPCODE:
…		…
1460		1589
1461	REQ_SEND;	1590	REQ_SEND;
1462	}	1591	}
1463		1592
1464	void	1593	void
1465	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1594	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1466	ALIAS:	1595	ALIAS:
1467	aio_link = EIO_LINK	1596	aio_link = EIO_LINK
1468	aio_symlink = EIO_SYMLINK	1597	aio_symlink = EIO_SYMLINK
1469	aio_rename = EIO_RENAME	1598	aio_rename = EIO_RENAME
1470	PPCODE:	1599	PPCODE:
…		…
1479		1608
1480	REQ_SEND;	1609	REQ_SEND;
1481	}	1610	}
1482		1611
1483	void	1612	void
		1613	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1614	PPCODE:
		1615	{
		1616	eio_wd wd2 = 0;
		1617	dREQ;
		1618
		1619	req->type = EIO_RENAME;
		1620	req_set_path1 (req, oldpath);
		1621	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1622	req->int2 = flags;
		1623	req->int3 = (long)wd2;
		1624
		1625	REQ_SEND;
		1626	}
		1627
		1628	void
1484	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1629	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1485	PPCODE:	1630	PPCODE:
1486	{	1631	{
1487	dREQ;	1632	dREQ;
1488		1633
1489	req->type = EIO_MKNOD;	1634	req->type = EIO_MKNOD;
…		…
1493		1638
1494	REQ_SEND;	1639	REQ_SEND;
1495	}	1640	}
1496		1641
1497	void	1642	void
1498	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1643	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1499	ALIAS:	1644	ALIAS:
1500	aio_mtouch = EIO_MTOUCH	1645	aio_mtouch = EIO_MTOUCH
1501	aio_msync = EIO_MSYNC	1646	aio_msync = EIO_MSYNC
1502	PPCODE:	1647	PPCODE:
1503	{	1648	{
1504	STRLEN svlen;	1649	STRLEN svlen;
1505	char *svptr = SvPVbyte (data, svlen);	1650	char *svptr = SvPVbyte (data, svlen);
1506	UV len = SvUV (length);	1651	UV len = SvUV (length);
		1652
		1653	if (flags < 0)
		1654	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1507		1655
1508	if (offset < 0)	1656	if (offset < 0)
1509	offset += svlen;	1657	offset += svlen;
1510		1658
1511	if (offset < 0 || offset > svlen)	1659	if (offset < 0 || offset > svlen)
…		…
1526	REQ_SEND;	1674	REQ_SEND;
1527	}	1675	}
1528	}	1676	}
1529		1677
1530	void	1678	void
1531	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1679	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1532	PPCODE:	1680	PPCODE:
1533	{	1681	{
1534	STRLEN svlen;	1682	STRLEN svlen;
1535	char *svptr = SvPVbyte (data, svlen);	1683	char *svptr = SvPVbyte (data, svlen);
1536	UV len = SvUV (length);	1684	UV len = SvUV (length);
…		…
1555	REQ_SEND;	1703	REQ_SEND;
1556	}	1704	}
1557	}	1705	}
1558		1706
1559	void	1707	void
1560	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1708	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1561	PPCODE:	1709	PPCODE:
1562	{	1710	{
1563	dREQ;	1711	dREQ;
1564		1712
1565	req->type = EIO_MLOCKALL;	1713	req->type = EIO_MLOCKALL;
…		…
1567		1715
1568	REQ_SEND;	1716	REQ_SEND;
1569	}	1717	}
1570		1718
1571	void	1719	void
		1720	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1721	PPCODE:
		1722	{
		1723	int fd = s_fileno_croak (fh, 0);
		1724	dREQ;
		1725
		1726	req->type = EIO_CUSTOM;
		1727	req->sv1 = newSVsv (fh);
		1728	req->int1 = fd;
		1729
		1730	req->feed = fiemap;
		1731	#if HAVE_FIEMAP
		1732	/* keep our fingers crossed that the next two types are 64 bit */
		1733	req->offs = start;
		1734	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1735	req->int2 = flags;
		1736	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1737	#endif
		1738
		1739	REQ_SEND;
		1740	}
		1741
		1742	void
1572	aio_busy (double delay, SV *callback=&PL_sv_undef)	1743	aio_busy (double delay, SV *callback = &PL_sv_undef)
1573	PPCODE:	1744	PPCODE:
1574	{	1745	{
1575	dREQ;	1746	dREQ;
1576		1747
1577	req->type = EIO_BUSY;	1748	req->type = EIO_BUSY;
…		…
1579		1750
1580	REQ_SEND;	1751	REQ_SEND;
1581	}	1752	}
1582		1753
1583	void	1754	void
1584	aio_group (SV *callback=&PL_sv_undef)	1755	aio_group (SV *callback = &PL_sv_undef)
1585	PPCODE:	1756	PPCODE:
1586	{	1757	{
1587	dREQ;	1758	dREQ;
1588		1759
1589	req->type = EIO_GROUP;	1760	req->type = EIO_GROUP;
1590		1761
		1762	PUTBACK;
1591	req_submit (req);	1763	req_submit (req);
		1764	SPAGAIN;
		1765
1592	XPUSHs (req_sv (req, aio_grp_stash));	1766	XPUSHs (req_sv (req, aio_grp_stash));
1593	}	1767	}
1594		1768
1595	void	1769	void
1596	aio_nop (SV *callback=&PL_sv_undef)	1770	aio_nop (SV *callback = &PL_sv_undef)
1597	ALIAS:	1771	ALIAS:
1598	aio_nop = EIO_NOP	1772	aio_nop = EIO_NOP
1599	aio_sync = EIO_SYNC	1773	aio_sync = EIO_SYNC
1600	PPCODE:	1774	PPCODE:
1601	{	1775	{
…		…
1605		1779
1606	REQ_SEND;	1780	REQ_SEND;
1607	}	1781	}
1608		1782
1609	int	1783	int
1610	aioreq_pri (int pri = 0)	1784	aioreq_pri (int pri = NO_INIT)
1611	CODE:	1785	CODE:
1612	RETVAL = next_pri;	1786	RETVAL = next_pri;
1613	if (items > 0)	1787	if (items > 0)
1614	{	1788	{
1615	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1789	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1705	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1879	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1706	OUTPUT:	1880	OUTPUT:
1707	RETVAL	1881	RETVAL
1708		1882
1709	void	1883	void
1710	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1884	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1711	PPCODE:	1885	PPCODE:
1712	sv_unmagic (scalar, MMAP_MAGIC);	1886	sv_unmagic (scalar, MMAP_MAGIC);
1713	{	1887	{
1714	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1888	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1715	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1889	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
…		…
1742	munmap (SV *scalar)	1916	munmap (SV *scalar)
1743	CODE:	1917	CODE:
1744	sv_unmagic (scalar, MMAP_MAGIC);	1918	sv_unmagic (scalar, MMAP_MAGIC);
1745		1919
1746	int	1920	int
1747	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	1921	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1748	ALIAS:	1922	ALIAS:
1749	mprotect = 1	1923	mprotect = 1
1750	CODE:	1924	CODE:
1751	{	1925	{
1752	STRLEN svlen;	1926	STRLEN svlen;
1753	void *addr = SvPVbyte (scalar, svlen);	1927	void *addr = SvPVbyte (scalar, svlen);
1754	size_t len = SvUV (length);	1928	STRLEN len = SvUV (length);
1755		1929
1756	if (offset < 0)	1930	if (offset < 0)
1757	offset += svlen;	1931	offset += svlen;
1758		1932
1759	if (offset < 0 || offset > svlen)	1933	if (offset < 0 || offset > svlen)
…		…
1773	}	1947	}
1774	OUTPUT:	1948	OUTPUT:
1775	RETVAL	1949	RETVAL
1776		1950
1777	int	1951	int
1778	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	1952	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1779	CODE:	1953	CODE:
1780	{	1954	{
1781	STRLEN svlen;	1955	STRLEN svlen;
1782	void *addr = SvPVbyte (scalar, svlen);	1956	void *addr = SvPVbyte (scalar, svlen);
1783	size_t len = SvUV (length);	1957	size_t len = SvUV (length);
1784		1958
1785	if (offset < 0)	1959	if (offset < 0)
1786	offset += svlen;	1960	offset += svlen;
1787		1961
…		…
1794	addr = (void *)(((intptr_t)addr) + offset);	1968	addr = (void *)(((intptr_t)addr) + offset);
1795	eio_page_align (&addr, &len);	1969	eio_page_align (&addr, &len);
1796	#if _POSIX_MEMLOCK_RANGE	1970	#if _POSIX_MEMLOCK_RANGE
1797	RETVAL = munlock (addr, len);	1971	RETVAL = munlock (addr, len);
1798	#else	1972	#else
1799	RETVAL = ((errno = ENOSYS), -1);	1973	RETVAL = EIO_ENOSYS ();
1800	#endif	1974	#endif
1801	}	1975	}
1802	OUTPUT:	1976	OUTPUT:
1803	RETVAL	1977	RETVAL
1804		1978
…		…
1806	munlockall ()	1980	munlockall ()
1807	CODE:	1981	CODE:
1808	#if _POSIX_MEMLOCK	1982	#if _POSIX_MEMLOCK
1809	munlockall ();	1983	munlockall ();
1810	#else	1984	#else
1811	RETVAL = -1;	1985	RETVAL = EIO_ENOSYS ();
1812	errno = ENOSYS;
1813	#endif	1986	#endif
1814	OUTPUT:	1987	OUTPUT:
1815	RETVAL	1988	RETVAL
		1989
		1990	int
		1991	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		1992	CODE:
		1993	{
		1994	#if HAVE_LINUX_SPLICE
		1995	loff_t off_in_, off_out_;
		1996	RETVAL = splice (
		1997	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		1998	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		1999	length, flags
		2000	);
		2001	#else
		2002	RETVAL = EIO_ENOSYS ();
		2003	#endif
		2004	}
		2005	OUTPUT:
		2006	RETVAL
		2007
		2008	int
		2009	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2010	CODE:
		2011	#if HAVE_LINUX_SPLICE
		2012	RETVAL = tee (rfh, wfh, length, flags);
		2013	#else
		2014	RETVAL = EIO_ENOSYS ();
		2015	#endif
		2016	OUTPUT:
		2017	RETVAL
		2018
		2019	int
		2020	pipesize (aio_rfd rfh, int new_size = -1)
		2021	PROTOTYPE: $;$
		2022	CODE:
		2023	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2024	if (new_size >= 0)
		2025	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2026	else
		2027	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2028	#else
		2029	errno = ENOSYS;
		2030	RETVAL = -1;
		2031	#endif
		2032	OUTPUT:
		2033	RETVAL
		2034
		2035	void
		2036	pipe2 (int flags = 0)
		2037	PROTOTYPE: ;$
		2038	PPCODE:
		2039	{
		2040	int fd[2];
		2041	int res;
		2042
		2043	if (flags)
		2044	#if HAVE_PIPE2
		2045	res = pipe2 (fd, flags);
		2046	#else
		2047	res = (errno = ENOSYS, -1);
		2048	#endif
		2049	else
		2050	res = pipe (fd);
		2051
		2052	if (!res)
		2053	{
		2054	EXTEND (SP, 2);
		2055	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2056	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2057	}
		2058	}
		2059
		2060	UV
		2061	get_fdlimit ()
		2062	CODE:
		2063	#if HAVE_RLIMITS
		2064	struct rlimit rl;
		2065	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2066	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2067	#endif
		2068	XSRETURN_UNDEF;
		2069	OUTPUT:
		2070	RETVAL
		2071
		2072	void
		2073	min_fdlimit (UV limit = 0x7fffffffU)
		2074	CODE:
		2075	{
		2076	#if HAVE_RLIMITS
		2077	struct rlimit rl;
		2078	rlim_t orig_rlim_max;
		2079	UV bit;
		2080
		2081	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2082	goto fail;
		2083
		2084	if (rl.rlim_cur == RLIM_INFINITY)
		2085	XSRETURN_YES;
		2086
		2087	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2088
		2089	if (rl.rlim_cur < limit)
		2090	{
		2091	rl.rlim_cur = limit;
		2092
		2093	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2094	rl.rlim_max = rl.rlim_cur;
		2095	}
		2096
		2097	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2098	XSRETURN_YES;
		2099
		2100	if (errno == EPERM)
		2101	{
		2102	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2103	/* our limit overflows a system-wide limit */
		2104	/* try an adaptive algorithm, but do not lower the hardlimit */
		2105	rl.rlim_max = 0;
		2106	for (bit = 0x40000000U; bit; bit >>= 1)
		2107	{
		2108	rl.rlim_max |= bit;
		2109	rl.rlim_cur = rl.rlim_max;
		2110
		2111	/* nevr decrease the hard limit */
		2112	if (rl.rlim_max < orig_rlim_max)
		2113	break;
		2114
		2115	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2116	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2117	}
		2118
		2119	/* now, raise the soft limit to the max permitted */
		2120	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2121	{
		2122	rl.rlim_cur = rl.rlim_max;
		2123	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2124	errno = EPERM;
		2125	}
		2126	}
		2127	#endif
		2128	fail:
		2129	XSRETURN_UNDEF;
		2130	}
1816		2131
1817	void _on_next_submit (SV *cb)	2132	void _on_next_submit (SV *cb)
1818	CODE:	2133	CODE:
1819	SvREFCNT_dec (on_next_submit);	2134	SvREFCNT_dec (on_next_submit);
1820	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2135	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1855	cancel (aio_req_ornot req)	2170	cancel (aio_req_ornot req)
1856	CODE:	2171	CODE:
1857	eio_cancel (req);	2172	eio_cancel (req);
1858		2173
1859	void	2174	void
1860	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2175	cb (aio_req_ornot req, SV *callback = NO_INIT)
1861	PPCODE:	2176	PPCODE:
1862	{	2177	{
1863	if (GIMME_V != G_VOID)	2178	if (GIMME_V != G_VOID)
1864	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2179	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1865		2180
1866	if (items > 1)	2181	if (items > 1)
1867	{	2182	{
1868	SV *cb_cv =get_cb (callback);	2183	SV *cb_cv = get_cb (callback);
1869		2184
1870	SvREFCNT_dec (req->callback);	2185	SvREFCNT_dec (req->callback);
1871	req->callback = SvREFCNT_inc (cb_cv);	2186	req->callback = SvREFCNT_inc (cb_cv);
1872	}	2187	}
1873	}	2188	}
…		…
1930	limit (aio_req grp, int limit)	2245	limit (aio_req grp, int limit)
1931	CODE:	2246	CODE:
1932	eio_grp_limit (grp, limit);	2247	eio_grp_limit (grp, limit);
1933		2248
1934	void	2249	void
1935	feed (aio_req grp, SV *callback=&PL_sv_undef)	2250	feed (aio_req grp, SV *callback = &PL_sv_undef)
1936	CODE:	2251	CODE:
1937	{	2252	{
1938	SvREFCNT_dec (grp->sv2);	2253	SvREFCNT_dec (grp->sv2);
1939	grp->sv2 = newSVsv (callback);	2254	grp->sv2 = newSVsv (callback);
1940	grp->feed = aio_grp_feed;	2255	grp->feed = aio_grp_feed;

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