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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.255 by root, Tue Feb 20 06:05:19 2018 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8
9	#include "schmorp.h"
10		8
11	#include <stddef.h>	9	#include <stddef.h>
12	#include <stdlib.h>	10	#include <stdlib.h>
13	#include <errno.h>	11	#include <errno.h>
14	#include <sys/types.h>	12	#include <sys/types.h>
…		…
17	#include <fcntl.h>	15	#include <fcntl.h>
18	#include <sched.h>	16	#include <sched.h>
19		17
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	18	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	19	# include <sys/mman.h>
		20	#endif
		21
		22	/* the incompetent fool that created musl keeps __linux__, refuses
		23	* to implement any linux standard apis, and also has no way to test
		24	* for his broken iplementation. don't complain to me if this fails
		25	* for you.
		26	*/
		27	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		28	# include <linux/fs.h>
		29	# ifdef FS_IOC_FIEMAP
		30	# include <linux/types.h>
		31	# include <linux/fiemap.h>
		32	# define HAVE_FIEMAP 1
		33	# endif
22	#endif	34	#endif
23		35
24	/* perl namespace pollution */	36	/* perl namespace pollution */
25	#undef VERSION	37	#undef VERSION
26		38
…		…
62	#undef dup	74	#undef dup
63	#undef dup2	75	#undef dup2
64	#undef abort	76	#undef abort
65	#undef pipe	77	#undef pipe
66		78
		79	#define EIO_STRUCT_STAT struct _stati64
		80	#define EIO_STRUCT_STATI64
		81
67	#else	82	#else
68		83
69	#include <sys/time.h>	84	#include <sys/time.h>
70	#include <sys/select.h>	85	#include <sys/select.h>
71	#include <unistd.h>	86	#include <unistd.h>
72	#include <utime.h>	87	#include <utime.h>
73	#include <signal.h>	88	#include <signal.h>
74		89
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	90	#define EIO_STRUCT_STAT Stat_t
78		91
79	/* use NV for 32 bit perls as it allows larger offsets */
80	#if IVSIZE >= 8
81	# define VAL64 IV
82	# define SvVAL64 SvIV
83	# define newSVval64 newSViv
84	#else
85	# define VAL64 NV
86	# define SvVAL64 SvNV
87	# define newSVval64 newSVnv
88	#endif	92	#endif
89		93
90	/*****************************************************************************/	94	/*****************************************************************************/
91		95
92	#if __GNUC__ >= 3	96	#if __GNUC__ >= 3
…		…
97		101
98	#define expect_false(expr) expect ((expr) != 0, 0)	102	#define expect_false(expr) expect ((expr) != 0, 0)
99	#define expect_true(expr) expect ((expr) != 0, 1)	103	#define expect_true(expr) expect ((expr) != 0, 1)
100		104
101	/*****************************************************************************/	105	/*****************************************************************************/
		106
		107	#include "libeio/config.h"
		108
		109	#include "schmorp.h"
		110
		111	#if HAVE_EVENTFD
		112	# include <sys/eventfd.h>
		113	#endif
		114
		115	#if HAVE_TIMERFD
		116	# include <sys/timerfd.h>
		117	#endif
		118
		119	#if HAVE_RLIMITS
		120	#include <sys/time.h>
		121	#include <sys/resource.h>
		122	#endif
102		123
103	typedef SV SV8; /* byte-sv, used for argument-checking */	124	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	125	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	126	typedef int aio_wfd; /* write file descriptor */
106		127
…		…
113	STRLEN stroffset; \	134	STRLEN stroffset; \
114	SV *self;	135	SV *self;
115		136
116	#define EIO_NO_WRAPPERS 1	137	#define EIO_NO_WRAPPERS 1
117		138
118	#include "libeio/config.h"
119	#include "libeio/eio.h"	139	#include "libeio/eio.h"
120		140
121	static int req_invoke (eio_req *req);	141	static int req_invoke (eio_req *req);
122	#define EIO_FINISH(req) req_invoke (req)	142	#define EIO_FINISH(req) req_invoke (req)
123	static void req_destroy (eio_req *grp);	143	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	144	#define EIO_DESTROY(req) req_destroy (req)
125		145
126	#include "libeio/eio.c"	146	#include "libeio/eio.c"
127		147
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	148	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	149	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	150	#endif
196		151
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	152	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	153	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	154	#endif
291		155
292	#ifndef MAP_ANONYMOUS	156	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	157	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	158	# define MAP_ANONYMOUS MAP_ANON
295	# else	159	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	160	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	161	# endif
298	#endif	162	#endif
299	#ifndef MAP_HUGETLB	163
300	# define MAP_HUGETLB 0	164	/* defines all sorts of constants to 0 unless they are already defined */
301	#endif	165	/* also provides const_iv_ and const_niv_ macros for them */
302	#ifndef MAP_LOCKED	166	#include "def0.h"
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		167
315	#ifndef makedev	168	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) | (min))	169	# define makedev(maj,min) (((maj) << 8) | (min))
317	#endif	170	#endif
318	#ifndef major	171	#ifndef major
…		…
320	#endif	173	#endif
321	#ifndef minor	174	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	175	# define minor(dev) ((dev) & 0xff)
323	#endif	176	#endif
324		177
325	#ifndef PAGESIZE	178	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	179	# define PAGESIZE sysconf (_SC_PAGESIZE)
327	#endif	180	#endif
		181
		182	/*****************************************************************************/
		183
		184	#if !_POSIX_MAPPED_FILES
		185	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		186	# define munmap(addr,length) EIO_ENOSYS ()
		187	#endif
		188
		189	#if !_POSIX_MEMORY_PROTECTION
		190	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		191	#endif
		192
		193	#define FOREIGN_MAGIC PERL_MAGIC_ext
		194
		195	static int ecb_cold
		196	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		197	{
		198	int old_errno = errno;
		199	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		200	errno = old_errno;
		201
		202	mg->mg_obj = 0; /* just in case */
		203
		204	SvREADONLY_off (sv);
		205
		206	if (SvPVX (sv) != mg->mg_ptr)
		207	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		208
		209	SvCUR_set (sv, 0);
		210	SvPVX (sv) = 0;
		211	SvOK_off (sv);
		212
		213	return 0;
		214	}
		215
		216	static MGVTBL mmap_vtbl = {
		217	0, 0, 0, 0, mmap_free
		218	};
		219
		220	static int ecb_cold
		221	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		222	{
		223	free (mg->mg_ptr);
		224	mg->mg_obj = 0; /* just in case */
		225
		226	SvREADONLY_off (sv);
		227
		228	if (SvPVX (sv) != mg->mg_ptr)
		229	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		230
		231	SvCUR_set (sv, 0);
		232	SvPVX (sv) = 0;
		233	SvOK_off (sv);
		234
		235	return 0;
		236	}
		237
		238	static MGVTBL sysfree_vtbl = {
		239	0, 0, 0, 0, sysfree_free
		240	};
		241
		242	/*****************************************************************************/
		243
		244	/* helper: set scalar to foreign ptr with custom free */
		245	static void
		246	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		247	{
		248	sv_force_normal (sv);
		249
		250	/* we store the length in mg_obj, as namlen is I32 :/ */
		251	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		252	->mg_obj = (SV *)length;
		253
		254	SvUPGRADE (sv, SVt_PV); /* nop... */
		255
		256	if (SvLEN (sv))
		257	Safefree (SvPVX (sv));
		258
		259	SvPVX (sv) = (char *)addr;
		260	SvCUR_set (sv, length);
		261	SvLEN_set (sv, 0);
		262	SvPOK_only (sv);
		263	}
		264
		265	static void
		266	sv_clear_foreign (SV *sv)
		267	{
		268	/* todo: iterate over magic and only free ours, but of course */
		269	/* the perl5porters will call that (correct) behaviour buggy */
		270	sv_unmagic (sv, FOREIGN_MAGIC);
		271	}
		272
		273	/*****************************************************************************/
		274
		275	static void
		276	fiemap (eio_req *req)
		277	{
		278	req->result = -1;
		279
		280	#if HAVE_FIEMAP
		281	/* assume some c99 */
		282	struct fiemap *fiemap = 0;
		283	size_t end_offset;
		284	int count = req->int3;
		285
		286	req->flags |= EIO_FLAG_PTR1_FREE;
		287
		288	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		289	/* increase in 3.5kb steps */
		290	if (count < 0)
		291	count = 8;
		292
		293	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		294	errno = ENOMEM;
		295	if (!fiemap)
		296	return;
		297
		298	req->ptr1 = fiemap;
		299
		300	fiemap->fm_start = req->offs;
		301	fiemap->fm_length = req->size;
		302	fiemap->fm_flags = req->int2;
		303	fiemap->fm_extent_count = count;
		304
		305	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		306	return;
		307
		308	if (req->int3 >= 0 /* not autosizing */
		309	|| !fiemap->fm_mapped_extents /* no more extents */
		310	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		311	goto done;
		312
		313	/* else we have to loop -
		314	* it would be tempting (actually I tried that first) to just query the
		315	* number of extents needed, but linux often feels like not returning all
		316	* extents, without telling us it left any out. this complicates
		317	* this quite a bit.
		318	*/
		319
		320	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		321
		322	for (;;)
		323	{
		324	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		325	char scratch[3072];
		326	struct fiemap *incmap = (struct fiemap *)scratch;
		327
		328	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		329	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		330	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		331	incmap->fm_flags = fiemap->fm_flags;
		332	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		333
		334	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		335	return;
		336
		337	if (!incmap->fm_mapped_extents)
		338	goto done;
		339
		340	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		341	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		342	errno = ENOMEM;
		343	if (!fiemap)
		344	return;
		345
		346	req->ptr1 = fiemap;
		347
		348	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		349	{
		350	struct fiemap_extent *e = incmap->fm_extents + count;
		351
		352	if (e->fe_logical + e->fe_length >= end_offset)
		353	goto done;
		354
		355	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		356
		357	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		358	goto done;
		359
		360	}
		361	}
		362
		363	done:
		364	req->result = 0;
		365
		366	#else
		367	errno = ENOSYS;
		368	#endif
		369	}
		370
		371	/*****************************************************************************/
328		372
329	enum {	373	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	374	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	375	};
332		376
333	typedef eio_req *aio_req;	377	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	378	typedef eio_req *aio_req_ornot;
335	typedef eio_wd *aio_wd;	379	typedef eio_wd aio_wd;
336		380
337	static SV *on_next_submit;	381	static SV *on_next_submit;
338	static int next_pri = EIO_PRI_DEFAULT;	382	static int next_pri = EIO_PRI_DEFAULT;
339	static int max_outstanding;	383	static int max_outstanding;
340		384
341	static s_epipe respipe;	385	static s_epipe respipe;
342		386
343	static void req_destroy (aio_req req);	387	static void req_destroy (aio_req req);
344	static void req_cancel (aio_req req);	388	static void req_cancel (aio_req req);
345		389
346	static void want_poll (void)	390	static void
		391	want_poll (void)
347	{	392	{
348	/* write a dummy byte to the pipe so fh becomes ready */	393	/* write a dummy byte to the pipe so fh becomes ready */
349	s_epipe_signal (&respipe);	394	s_epipe_signal (&respipe);
350	}	395	}
351		396
352	static void done_poll (void)	397	static void
		398	done_poll (void)
353	{	399	{
354	/* read any signals sent by the worker threads */	400	/* read any signals sent by the worker threads */
355	s_epipe_drain (&respipe);	401	s_epipe_drain (&respipe);
356	}	402	}
357		403
358	/* must be called at most once */	404	/* must be called at most once */
		405	static SV *
359	static SV *req_sv (aio_req req, HV *stash)	406	req_sv (aio_req req, HV *stash)
360	{	407	{
361	if (!req->self)	408	if (!req->self)
362	{	409	{
363	req->self = (SV *)newHV ();	410	req->self = (SV *)newHV ();
364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	411	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
365	}	412	}
366		413
367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	414	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
368	}	415	}
369		416
370	static aio_req SvAIO_REQ (SV *sv)	417	static SV *
		418	newSVaio_wd (aio_wd wd)
		419	{
		420	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		421	}
		422
		423	static aio_req
		424	SvAIO_REQ (SV *sv)
371	{	425	{
372	MAGIC *mg;	426	MAGIC *mg;
373		427
374	if (!SvROK (sv)	428	if (!SvROK (sv)
		429	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
375	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	430	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
376	&& SvSTASH (SvRV (sv)) != aio_req_stash	431	&& SvSTASH (SvRV (sv)) != aio_req_stash
377	&& !sv_derived_from (sv, "IO::AIO::REQ")))	432	&& !sv_derived_from (sv, "IO::AIO::REQ")))
378	croak ("object of class IO::AIO::REQ expected");	433	croak ("object of class IO::AIO::REQ expected");
379		434
380	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	435	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
381		436
382	return mg ? (aio_req)mg->mg_ptr : 0;	437	return mg ? (aio_req)mg->mg_ptr : 0;
383	}	438	}
384		439
385	static aio_wd SvAIO_WD (SV *sv)	440	static aio_wd
		441	SvAIO_WD (SV *sv)
386	{	442	{
387	if (!SvROK (sv)	443	if (!SvROK (sv)
		444	|| SvTYPE (SvRV (sv)) != SVt_PVMG
388	|| SvSTASH (SvRV (sv)) != aio_wd_stash	445	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
389	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
390	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	446	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
391		447
392	return (aio_wd)(long)SvIVX (SvRV (sv));	448	return (aio_wd)(long)SvIVX (SvRV (sv));
393	}	449	}
394		450
		451	static SV *
		452	newmortalFH (int fd, int flags)
		453	{
		454	if (fd < 0)
		455	return &PL_sv_undef;
		456
		457	GV *gv = (GV *)sv_newmortal ();
		458	char sym[64];
		459	int symlen;
		460
		461	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		462	gv_init (gv, aio_stash, sym, symlen, 0);
		463
		464	symlen = snprintf (
		465	sym,
		466	sizeof (sym),
		467	"%s&=%d",
		468	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		469	fd
		470	);
		471
		472	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		473	? (SV *)gv : &PL_sv_undef;
		474	}
		475
		476	static void
395	static void aio_grp_feed (aio_req grp)	477	aio_grp_feed (aio_req grp)
396	{	478	{
397	if (grp->sv2 && SvOK (grp->sv2))	479	if (grp->sv2 && SvOK (grp->sv2))
398	{	480	{
399	dSP;	481	dSP;
400		482
…		…
408	FREETMPS;	490	FREETMPS;
409	LEAVE;	491	LEAVE;
410	}	492	}
411	}	493	}
412		494
		495	static void
413	static void req_submit (eio_req *req)	496	req_submit (eio_req *req)
414	{	497	{
415	eio_submit (req);	498	eio_submit (req);
416		499
417	if (expect_false (on_next_submit))	500	if (expect_false (on_next_submit))
418	{	501	{
…		…
425	PUTBACK;	508	PUTBACK;
426	call_sv (cb, G_DISCARD | G_EVAL);	509	call_sv (cb, G_DISCARD | G_EVAL);
427	}	510	}
428	}	511	}
429		512
		513	static int
430	static int req_invoke (eio_req *req)	514	req_invoke (eio_req *req)
431	{	515	{
432	if (req->flags & FLAG_SV2_RO_OFF)	516	if (req->flags & FLAG_SV2_RO_OFF)
433	SvREADONLY_off (req->sv2);	517	SvREADONLY_off (req->sv2);
434		518
435	if (!EIO_CANCELLED (req) && req->callback)	519	if (!EIO_CANCELLED (req) && req->callback)
…		…
457	}	541	}
458		542
459	switch (req->type)	543	switch (req->type)
460	{	544	{
461	case EIO_WD_OPEN:	545	case EIO_WD_OPEN:
462	PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash)));	546	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
463	break;	547	break;
464		548
465	case EIO_READDIR:	549	case EIO_READDIR:
466	{	550	{
467	SV *rv = &PL_sv_undef;	551	SV *rv = &PL_sv_undef;
…		…
522	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	606	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
523	}	607	}
524	break;	608	break;
525		609
526	case EIO_OPEN:	610	case EIO_OPEN:
527	{	611	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
528	/* convert fd to fh */
529	SV *fh = &PL_sv_undef;
530
531	if (req->result >= 0)
532	{
533	GV *gv = (GV *)sv_newmortal ();
534	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
535	char sym [64];
536	int symlen;
537
538	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
539	gv_init (gv, aio_stash, sym, symlen, 0);
540
541	symlen = snprintf (
542	sym,
543	sizeof (sym),
544	"%s&=%d",
545	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
546	(int)req->result
547	);
548
549	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
550	fh = (SV *)gv;
551	}
552
553	PUSHs (fh);
554	}
555	break;	612	break;
556		613
557	case EIO_STATVFS:	614	case EIO_STATVFS:
558	case EIO_FSTATVFS:	615	case EIO_FSTATVFS:
559	{	616	{
…		…
562	#ifndef _WIN32	619	#ifndef _WIN32
563	if (req->result >= 0)	620	if (req->result >= 0)
564	{	621	{
565	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	622	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
566	HV *hv = newHV ();	623	HV *hv = newHV ();
		624	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		625	* chooses to make it a struct.
		626	*/
		627	unsigned long fsid = 0;
		628	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
567		629
568	rv = sv_2mortal (newRV_noinc ((SV *)hv));	630	rv = sv_2mortal (newRV_noinc ((SV *)hv));
569		631
570	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	632	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
571	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	633	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
573	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	635	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
574	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	636	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
575	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	637	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
576	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	638	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
577	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	639	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
578	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	640	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
579	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	641	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
580	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	642	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
581	}	643	}
582	#endif	644	#endif
583		645
…		…
611	break;	673	break;
612		674
613	case EIO_STAT:	675	case EIO_STAT:
614	case EIO_LSTAT:	676	case EIO_LSTAT:
615	case EIO_FSTAT:	677	case EIO_FSTAT:
616	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	678	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		679
617	PL_laststatval = req->result;	680	if (!(PL_laststatval = req->result))
618	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	681	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
619	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	682	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		683
620	PUSHs (sv_result);	684	PUSHs (sv_result);
		685	break;
		686
		687	case EIO_SEEK:
		688	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
621	break;	689	break;
622		690
623	case EIO_READ:	691	case EIO_READ:
624	{	692	{
625	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	693	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
628	SvSETMAGIC (req->sv2);	696	SvSETMAGIC (req->sv2);
629	PUSHs (sv_result);	697	PUSHs (sv_result);
630	}	698	}
631	break;	699	break;
632		700
		701	case EIO_SLURP:
		702	{
		703	if (req->result >= 0)
		704	{
		705	/* if length was originally not known, we steal the malloc'ed memory */
		706	if (req->flags & EIO_FLAG_PTR2_FREE)
		707	{
		708	req->flags &= ~EIO_FLAG_PTR2_FREE;
		709	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		710	}
		711	else
		712	{
		713	SvCUR_set (req->sv2, req->result);
		714	*SvEND (req->sv2) = 0;
		715	SvPOK_only (req->sv2);
		716	}
		717
		718	SvSETMAGIC (req->sv2);
		719	}
		720
		721	PUSHs (sv_result);
		722	}
		723	break;
		724
		725	case EIO_CUSTOM:
		726	if (req->feed == fiemap)
		727	{
		728	#if HAVE_FIEMAP
		729	if (!req->result)
		730	{
		731	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		732
		733	if (fiemap->fm_extent_count)
		734	{
		735	AV *av = newAV ();
		736	int i;
		737
		738	while (fiemap->fm_mapped_extents)
		739	{
		740	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		741	AV *ext_av = newAV ();
		742
		743	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		744	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		745	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		746	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		747
		748	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		749	}
		750
		751	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		752	}
		753	else
		754	{
		755	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		756	PUSHs (sv_result);
		757	}
		758	}
		759	#endif
		760	}
		761	else
		762	PUSHs (sv_result);
		763	break;
		764
633	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	765	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
634	if (req->result > 0)	766	if (req->result > 0)
635	SvIV_set (sv_result, 0);	767	SvIV_set (sv_result, 0);
636	/* FALLTHROUGH */	768	/* FALLTHROUGH */
637		769
…		…
658	}	790	}
659		791
660	return !!SvTRUE (ERRSV);	792	return !!SvTRUE (ERRSV);
661	}	793	}
662		794
		795	static void
663	static void req_destroy (aio_req req)	796	req_destroy (aio_req req)
664	{	797	{
665	if (req->self)	798	if (req->self)
666	{	799	{
667	sv_unmagic (req->self, PERL_MAGIC_ext);	800	sv_unmagic (req->self, PERL_MAGIC_ext);
668	SvREFCNT_dec (req->self);	801	SvREFCNT_dec (req->self);
…		…
672	SvREFCNT_dec (req->sv2);	805	SvREFCNT_dec (req->sv2);
673	SvREFCNT_dec (req->sv3);	806	SvREFCNT_dec (req->sv3);
674	SvREFCNT_dec (req->sv4);	807	SvREFCNT_dec (req->sv4);
675	SvREFCNT_dec (req->callback);	808	SvREFCNT_dec (req->callback);
676		809
677	Safefree (req);	810	free (req);
678	}	811	}
679		812
		813	static void
680	static void req_cancel_subs (aio_req grp)	814	req_cancel_subs (aio_req grp)
681	{	815	{
682	if (grp->type != EIO_GROUP)	816	if (grp->type != EIO_GROUP)
683	return;	817	return;
684		818
685	SvREFCNT_dec (grp->sv2);	819	SvREFCNT_dec (grp->sv2);
686	grp->sv2 = 0;	820	grp->sv2 = 0;
687		821
688	eio_grp_cancel (grp);	822	eio_grp_cancel (grp);
689	}	823	}
690		824
		825	static void ecb_cold
691	static void create_respipe (void)	826	create_respipe (void)
692	{	827	{
693	if (s_epipe_renew (&respipe))	828	if (s_epipe_renew (&respipe))
694	croak ("IO::AIO: unable to initialize result pipe");	829	croak ("IO::AIO: unable to initialize result pipe");
695	}	830	}
696		831
697	static void poll_wait (void)	832	static void
		833	poll_wait (void)
698	{	834	{
699	while (eio_nreqs ())	835	while (eio_nreqs ())
700	{	836	{
701	int size;	837	int size;
702		838
703	X_LOCK (reslock);	839	X_LOCK (EIO_POOL->reslock);
704	size = res_queue.size;	840	size = EIO_POOL->res_queue.size;
705	X_UNLOCK (reslock);	841	X_UNLOCK (EIO_POOL->reslock);
706		842
707	if (size)	843	if (size)
708	return;	844	return;
709		845
710	etp_maybe_start_thread ();	846	etp_maybe_start_thread (EIO_POOL);
711		847
712	s_epipe_wait (&respipe);	848	s_epipe_wait (&respipe);
713	}	849	}
714	}	850	}
715		851
716	static int poll_cb (void)	852	static int
		853	poll_cb (void)
717	{	854	{
718	for (;;)	855	for (;;)
719	{	856	{
720	int res = eio_poll ();	857	int res = eio_poll ();
721		858
…		…
738	croak ("IO::AIO: unable to initialise eio library");	875	croak ("IO::AIO: unable to initialise eio library");
739	}	876	}
740		877
741	/*****************************************************************************/	878	/*****************************************************************************/
742		879
743	#if !_POSIX_MAPPED_FILES	880	static SV *
744	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
745	# define munmap(addr,length) (errno = ENOSYS, -1)
746	#endif
747
748	#if !_POSIX_MEMORY_PROTECTION
749	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
750	# define PROT_NONE 0
751	# define PROT_WRITE 0
752	# define MAP_PRIVATE 0
753	# define MAP_SHARED 0
754	# define MAP_FIXED 0
755	#endif
756
757	#define MMAP_MAGIC PERL_MAGIC_ext
758
759	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
760	{
761	int old_errno = errno;
762	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
763	errno = old_errno;
764
765	mg->mg_obj = 0; /* just in case */
766
767	SvREADONLY_off (sv);
768
769	if (SvPVX (sv) != mg->mg_ptr)
770	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
771
772	SvCUR_set (sv, 0);
773	SvPVX (sv) = 0;
774	SvOK_off (sv);
775
776	return 0;
777	}
778
779	static MGVTBL mmap_vtbl = {
780	0, 0, 0, 0, mmap_free
781	};
782
783	/*****************************************************************************/
784
785	static SV * get_cb (SV *cb_sv)	881	get_cb (SV *cb_sv)
786	{	882	{
787	SvGETMAGIC (cb_sv);	883	SvGETMAGIC (cb_sv);
788	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	884	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
789	}	885	}
790		886
		887	static aio_req ecb_noinline
		888	dreq (SV *callback)
		889	{
		890	SV *cb_cv;
		891	aio_req req;
		892	int req_pri = next_pri;
		893	next_pri = EIO_PRI_DEFAULT;
		894
		895	cb_cv = get_cb (callback);
		896
		897	req = calloc (sizeof (*req), 1);
		898	if (!req)
		899	croak ("out of memory during eio_req allocation");
		900
		901	req->callback = SvREFCNT_inc (cb_cv);
		902	req->pri = req_pri;
		903
		904	return req;
		905	}
		906
791	#define dREQ \	907	#define dREQ \
792	SV *cb_cv; \	908	aio_req req = dreq (callback); \
793	aio_req req; \
794	int req_pri = next_pri; \
795	next_pri = EIO_PRI_DEFAULT; \
796	\
797	cb_cv = get_cb (callback); \
798	\
799	Newz (0, req, 1, eio_req); \
800	if (!req) \
801	croak ("out of memory during eio_req allocation"); \
802	\
803	req->callback = SvREFCNT_inc (cb_cv); \
804	req->pri = req_pri
805		909
806	#define REQ_SEND \	910	#define REQ_SEND \
807	PUTBACK; \	911	PUTBACK; \
808	req_submit (req); \	912	req_submit (req); \
809	SPAGAIN; \	913	SPAGAIN; \
810	\	914	\
811	if (GIMME_V != G_VOID) \	915	if (GIMME_V != G_VOID) \
812	XPUSHs (req_sv (req, aio_req_stash));	916	XPUSHs (req_sv (req, aio_req_stash));
813		917
814	static void	918	ecb_inline void
815	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	919	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
816	{	920	{
817	if (SvROK (path))	921	if (expect_false (SvROK (path)))
818	{	922	{
819	AV *av = (AV *)SvRV (path);	923	SV *rv = SvRV (path);
820	SV *wdob;	924	SV *wdob;
821		925
822	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)	926	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
823	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");	927	{
824
825	path = AvARRAY (av)[1];	928	path = AvARRAY (rv)[1];
826	wdob = AvARRAY (av)[0];	929	wdob = AvARRAY (rv)[0];
827		930
		931	if (SvOK (wdob))
		932	{
828	*wd = SvAIO_WD (wdob);	933	*wd = SvAIO_WD (wdob);
829	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	934	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		935	}
		936	else
		937	*wd = EIO_INVALID_WD;
		938	}
		939	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		940	{
		941	*wd = (aio_wd)(long)SvIVX (rv);
		942	*wdsv = SvREFCNT_inc_NN (rv);
		943	*ptr = ".";
		944	return; /* path set to "." */
		945	}
		946	else
		947	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
830	}	948	}
831		949
832	*pathsv = newSVsv (path);	950	*pathsv = newSVsv (path);
833	*ptr = SvPVbyte_nolen (*pathsv);	951	*ptr = SvPVbyte_nolen (*pathsv);
834	}	952	}
835		953
836	static void	954	static void ecb_noinline
837	req_set_path1 (aio_req req, SV *path)	955	req_set_path1 (aio_req req, SV *path)
838	{	956	{
839	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	957	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
840	}	958	}
841		959
842	static void	960	static void ecb_noinline
843	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	961	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
844	{	962	{
845	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	963	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
846		964
847	switch (SvTYPE (rv))	965	switch (SvTYPE (rv))
…		…
857	default:	975	default:
858	req->type = type_path;	976	req->type = type_path;
859	req_set_path1 (req, fh_or_path);	977	req_set_path1 (req, fh_or_path);
860	break;	978	break;
861	}	979	}
862
863	}	980	}
		981
		982	/*****************************************************************************/
		983
		984	static void
		985	ts_set (struct timespec *ts, NV value)
		986	{
		987	ts->tv_sec = value;
		988	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		989	}
		990
		991	static NV
		992	ts_get (const struct timespec *ts)
		993	{
		994	return ts->tv_sec + ts->tv_nsec * 1e-9;
		995	}
		996
		997	/*****************************************************************************/
		998
		999	XS(boot_IO__AIO) ecb_cold;
864		1000
865	MODULE = IO::AIO PACKAGE = IO::AIO	1001	MODULE = IO::AIO PACKAGE = IO::AIO
866		1002
867	PROTOTYPES: ENABLE	1003	PROTOTYPES: ENABLE
868		1004
…		…
873	IV iv;	1009	IV iv;
874	} *civ, const_iv[] = {	1010	} *civ, const_iv[] = {
875	# define const_niv(name, value) { # name, (IV) value },	1011	# define const_niv(name, value) { # name, (IV) value },
876	# define const_iv(name) { # name, (IV) name },	1012	# define const_iv(name) { # name, (IV) name },
877	# define const_eio(name) { # name, (IV) EIO_ ## name },	1013	# define const_eio(name) { # name, (IV) EIO_ ## name },
		1014
		1015	/* you have to re-run ./gendef0 after adding/removing any constants here */
		1016	/* the first block can be undef if missing */
		1017	const_iv (ENOSYS)
878	const_iv (EXDEV)	1018	const_iv (EXDEV)
879	const_iv (ENOSYS)	1019	const_iv (EBADR)
		1020
		1021	/* for lseek */
		1022	const_iv (SEEK_DATA)
		1023	const_iv (SEEK_HOLE)
		1024
		1025	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1026	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1027	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1028	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1029	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1030	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1031
		1032	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1033	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1034	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1035	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1036	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1037
		1038	/* the second block will be 0 when missing */
880	const_iv (O_RDONLY)	1039	const_iv (O_RDONLY)
881	const_iv (O_WRONLY)	1040	const_iv (O_WRONLY)
882	const_iv (O_RDWR)	1041	const_iv (O_RDWR)
883	const_iv (O_CREAT)	1042	const_iv (O_CREAT)
884	const_iv (O_TRUNC)	1043	const_iv (O_TRUNC)
…		…
897	const_iv (O_SEARCH)	1056	const_iv (O_SEARCH)
898	const_iv (O_DIRECTORY)	1057	const_iv (O_DIRECTORY)
899	const_iv (O_DSYNC)	1058	const_iv (O_DSYNC)
900	const_iv (O_RSYNC)	1059	const_iv (O_RSYNC)
901	const_iv (O_SYNC)	1060	const_iv (O_SYNC)
		1061	const_iv (O_PATH)
		1062	const_iv (O_TMPFILE)
902	const_iv (O_TTY_INIT)	1063	const_iv (O_TTY_INIT)
903		1064
904	const_iv (S_IFIFO)	1065	const_iv (S_IFIFO)
905	const_iv (S_IFCHR)	1066	const_iv (S_IFCHR)
906	const_iv (S_IFBLK)	1067	const_iv (S_IFBLK)
…		…
908	const_iv (S_IFREG)	1069	const_iv (S_IFREG)
909	const_iv (S_IFDIR)	1070	const_iv (S_IFDIR)
910	const_iv (S_IFWHT)	1071	const_iv (S_IFWHT)
911	const_iv (S_IFSOCK)	1072	const_iv (S_IFSOCK)
912	const_iv (S_IFMT)	1073	const_iv (S_IFMT)
913
914	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
915	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
916	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
917	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
918	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
919	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
920
921	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
922	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
923	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
924	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
925	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
926		1074
927	const_iv (ST_RDONLY)	1075	const_iv (ST_RDONLY)
928	const_iv (ST_NOSUID)	1076	const_iv (ST_NOSUID)
929	const_iv (ST_NODEV)	1077	const_iv (ST_NODEV)
930	const_iv (ST_NOEXEC)	1078	const_iv (ST_NOEXEC)
…		…
940	const_iv (PROT_NONE)	1088	const_iv (PROT_NONE)
941	const_iv (PROT_EXEC)	1089	const_iv (PROT_EXEC)
942	const_iv (PROT_READ)	1090	const_iv (PROT_READ)
943	const_iv (PROT_WRITE)	1091	const_iv (PROT_WRITE)
944		1092
945	/*const_iv (MAP_FIXED)*/
946	const_iv (MAP_PRIVATE)	1093	const_iv (MAP_PRIVATE)
947	const_iv (MAP_SHARED)	1094	const_iv (MAP_SHARED)
		1095	const_iv (MAP_FIXED)
948	const_iv (MAP_ANONYMOUS)	1096	const_iv (MAP_ANONYMOUS)
949		1097
950	/* linuxish */	1098	/* linuxish */
951	const_iv (MAP_HUGETLB)
952	const_iv (MAP_LOCKED)	1099	const_iv (MAP_LOCKED)
953	const_iv (MAP_NORESERVE)	1100	const_iv (MAP_NORESERVE)
954	const_iv (MAP_POPULATE)	1101	const_iv (MAP_POPULATE)
955	const_iv (MAP_NONBLOCK)	1102	const_iv (MAP_NONBLOCK)
		1103	const_iv (MAP_GROWSDOWN)
		1104	const_iv (MAP_32BIT)
		1105	const_iv (MAP_HUGETLB)
		1106	const_iv (MAP_STACK)
		1107
		1108	const_iv (F_DUPFD_CLOEXEC)
		1109
		1110	const_iv (F_OFD_GETLK)
		1111	const_iv (F_OFD_SETLK)
		1112	const_iv (F_OFD_GETLKW)
		1113
		1114	const_iv (FIFREEZE)
		1115	const_iv (FITHAW)
		1116	const_iv (FITRIM)
		1117	const_iv (FICLONE)
		1118	const_iv (FICLONERANGE)
		1119	const_iv (FIDEDUPERANGE)
		1120
		1121	const_iv (FS_IOC_GETFLAGS)
		1122	const_iv (FS_IOC_SETFLAGS)
		1123	const_iv (FS_IOC_GETVERSION)
		1124	const_iv (FS_IOC_SETVERSION)
		1125	const_iv (FS_IOC_FIEMAP)
		1126	const_iv (FS_IOC_FSGETXATTR)
		1127	const_iv (FS_IOC_FSSETXATTR)
		1128	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1129	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1130	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1131
		1132	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1133
		1134	const_iv (FS_SECRM_FL)
		1135	const_iv (FS_UNRM_FL)
		1136	const_iv (FS_COMPR_FL)
		1137	const_iv (FS_SYNC_FL)
		1138	const_iv (FS_IMMUTABLE_FL)
		1139	const_iv (FS_APPEND_FL)
		1140	const_iv (FS_NODUMP_FL)
		1141	const_iv (FS_NOATIME_FL)
		1142	const_iv (FS_DIRTY_FL)
		1143	const_iv (FS_COMPRBLK_FL)
		1144	const_iv (FS_NOCOMP_FL)
		1145	const_iv (FS_ENCRYPT_FL)
		1146	const_iv (FS_BTREE_FL)
		1147	const_iv (FS_INDEX_FL)
		1148	const_iv (FS_JOURNAL_DATA_FL)
		1149	const_iv (FS_NOTAIL_FL)
		1150	const_iv (FS_DIRSYNC_FL)
		1151	const_iv (FS_TOPDIR_FL)
		1152	const_iv (FS_FL_USER_MODIFIABLE)
		1153
		1154	const_iv (FS_XFLAG_REALTIME)
		1155	const_iv (FS_XFLAG_PREALLOC)
		1156	const_iv (FS_XFLAG_IMMUTABLE)
		1157	const_iv (FS_XFLAG_APPEND)
		1158	const_iv (FS_XFLAG_SYNC)
		1159	const_iv (FS_XFLAG_NOATIME)
		1160	const_iv (FS_XFLAG_NODUMP)
		1161	const_iv (FS_XFLAG_RTINHERIT)
		1162	const_iv (FS_XFLAG_PROJINHERIT)
		1163	const_iv (FS_XFLAG_NOSYMLINKS)
		1164	const_iv (FS_XFLAG_EXTSIZE)
		1165	const_iv (FS_XFLAG_EXTSZINHERIT)
		1166	const_iv (FS_XFLAG_NODEFRAG)
		1167	const_iv (FS_XFLAG_FILESTREAM)
		1168	const_iv (FS_XFLAG_DAX)
		1169	const_iv (FS_XFLAG_HASATTR)
		1170
		1171	const_iv (FIEMAP_FLAG_SYNC)
		1172	const_iv (FIEMAP_FLAG_XATTR)
		1173	const_iv (FIEMAP_FLAGS_COMPAT)
		1174	const_iv (FIEMAP_EXTENT_LAST)
		1175	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1176	const_iv (FIEMAP_EXTENT_DELALLOC)
		1177	const_iv (FIEMAP_EXTENT_ENCODED)
		1178	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1179	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1180	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1181	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1182	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1183	const_iv (FIEMAP_EXTENT_MERGED)
		1184	const_iv (FIEMAP_EXTENT_SHARED)
		1185
		1186	const_iv (SPLICE_F_MOVE)
		1187	const_iv (SPLICE_F_NONBLOCK)
		1188	const_iv (SPLICE_F_MORE)
		1189	const_iv (SPLICE_F_GIFT)
		1190
		1191	const_iv (EFD_CLOEXEC)
		1192	const_iv (EFD_NONBLOCK)
		1193	const_iv (EFD_SEMAPHORE)
		1194
		1195	const_iv (CLOCK_REALTIME)
		1196	const_iv (CLOCK_MONOTONIC)
		1197	const_iv (CLOCK_BOOTTIME)
		1198	const_iv (CLOCK_REALTIME_ALARM)
		1199	const_iv (CLOCK_BOOTTIME_ALARM)
		1200
		1201	const_iv (TFD_NONBLOCK)
		1202	const_iv (TFD_CLOEXEC)
		1203
		1204	const_iv (TFD_TIMER_ABSTIME)
		1205	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1206
		1207	/* these are libeio constants, and are independent of gendef0 */
		1208	const_eio (SEEK_SET)
		1209	const_eio (SEEK_CUR)
		1210	const_eio (SEEK_END)
956		1211
957	const_eio (MCL_FUTURE)	1212	const_eio (MCL_FUTURE)
958	const_eio (MCL_CURRENT)	1213	const_eio (MCL_CURRENT)
959		1214
960	const_eio (MS_ASYNC)	1215	const_eio (MS_ASYNC)
…		…
966	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1221	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
967	const_eio (SYNC_FILE_RANGE_WRITE)	1222	const_eio (SYNC_FILE_RANGE_WRITE)
968	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1223	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
969		1224
970	const_eio (FALLOC_FL_KEEP_SIZE)	1225	const_eio (FALLOC_FL_KEEP_SIZE)
		1226	const_eio (FALLOC_FL_PUNCH_HOLE)
		1227	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1228	const_eio (FALLOC_FL_ZERO_RANGE)
		1229	const_eio (FALLOC_FL_INSERT_RANGE)
		1230	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1231
		1232	const_eio (RENAME_NOREPLACE)
		1233	const_eio (RENAME_EXCHANGE)
		1234	const_eio (RENAME_WHITEOUT)
971		1235
972	const_eio (READDIR_DENTS)	1236	const_eio (READDIR_DENTS)
973	const_eio (READDIR_DIRS_FIRST)	1237	const_eio (READDIR_DIRS_FIRST)
974	const_eio (READDIR_STAT_ORDER)	1238	const_eio (READDIR_STAT_ORDER)
975	const_eio (READDIR_FOUND_UNKNOWN)	1239	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1043	PROTOTYPE: $	1307	PROTOTYPE: $
1044	CODE:	1308	CODE:
1045	max_outstanding = maxreqs;	1309	max_outstanding = maxreqs;
1046		1310
1047	void	1311	void
1048	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1312	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1049	PPCODE:	1313	PPCODE:
1050	{	1314	{
1051	dREQ;	1315	dREQ;
1052		1316
1053	req->type = EIO_WD_OPEN;	1317	req->type = EIO_WD_OPEN;
…		…
1055		1319
1056	REQ_SEND;	1320	REQ_SEND;
1057	}	1321	}
1058		1322
1059	void	1323	void
1060	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1324	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1061	PPCODE:	1325	PPCODE:
1062	{	1326	{
1063	dREQ;	1327	dREQ;
1064		1328
1065	req->type = EIO_OPEN;	1329	req->type = EIO_OPEN;
…		…
1069		1333
1070	REQ_SEND;	1334	REQ_SEND;
1071	}	1335	}
1072		1336
1073	void	1337	void
1074	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1338	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1075	ALIAS:	1339	ALIAS:
1076	aio_fsync = EIO_FSYNC	1340	aio_fsync = EIO_FSYNC
1077	aio_fdatasync = EIO_FDATASYNC	1341	aio_fdatasync = EIO_FDATASYNC
1078	aio_syncfs = EIO_SYNCFS	1342	aio_syncfs = EIO_SYNCFS
1079	PPCODE:	1343	PPCODE:
1080	{	1344	{
1081	int fd = s_fileno_croak (fh, 0);	1345	int fd = s_fileno_croak (fh, 0);
1082	dREQ;	1346	dREQ;
1083		1347
1084	req->type = ix;	1348	req->type = ix;
1085	req->sv1 = newSVsv (fh);	1349	req->sv1 = newSVsv (fh);
1086	req->int1 = fd;	1350	req->int1 = fd;
1087		1351
1088	REQ_SEND (req);	1352	REQ_SEND;
1089	}	1353	}
1090		1354
1091	void	1355	void
1092	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1356	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1093	PPCODE:	1357	PPCODE:
1094	{	1358	{
1095	int fd = s_fileno_croak (fh, 0);	1359	int fd = s_fileno_croak (fh, 0);
1096	dREQ;	1360	dREQ;
1097		1361
1098	req->type = EIO_SYNC_FILE_RANGE;	1362	req->type = EIO_SYNC_FILE_RANGE;
1099	req->sv1 = newSVsv (fh);	1363	req->sv1 = newSVsv (fh);
1100	req->int1 = fd;	1364	req->int1 = fd;
1101	req->offs = offset;	1365	req->offs = offset;
1102	req->size = nbytes;	1366	req->size = nbytes;
1103	req->int2 = flags;	1367	req->int2 = flags;
1104		1368
1105	REQ_SEND (req);	1369	REQ_SEND;
1106	}	1370	}
1107		1371
1108	void	1372	void
1109	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1373	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1110	PPCODE:	1374	PPCODE:
1111	{	1375	{
1112	int fd = s_fileno_croak (fh, 0);	1376	int fd = s_fileno_croak (fh, 0);
1113	dREQ;	1377	dREQ;
1114		1378
1115	req->type = EIO_FALLOCATE;	1379	req->type = EIO_FALLOCATE;
1116	req->sv1 = newSVsv (fh);	1380	req->sv1 = newSVsv (fh);
1117	req->int1 = fd;	1381	req->int1 = fd;
1118	req->int2 = mode;	1382	req->int2 = mode;
1119	req->offs = offset;	1383	req->offs = offset;
1120	req->size = len;	1384	req->size = len;
1121		1385
1122	REQ_SEND (req);	1386	REQ_SEND;
1123	}	1387	}
1124		1388
1125	void	1389	void
1126	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1390	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1127	PPCODE:	1391	PPCODE:
1128	{	1392	{
1129	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1393	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1130	int fd = s_fileno_croak (fh, 0);	1394	int fd = s_fileno_croak (fh, 0);
1131	dREQ;	1395	dREQ;
1132		1396
1133	if (expect_false (close_fd < 0))	1397	if (expect_false (close_fd < 0))
1134	{	1398	{
1135	int pipefd [2];	1399	int pipefd [2];
…		…
1151	req->type = EIO_DUP2;	1415	req->type = EIO_DUP2;
1152	req->int1 = close_fd;	1416	req->int1 = close_fd;
1153	req->sv2 = newSVsv (fh);	1417	req->sv2 = newSVsv (fh);
1154	req->int2 = fd;	1418	req->int2 = fd;
1155		1419
1156	REQ_SEND (req);	1420	REQ_SEND;
1157	}	1421	}
1158		1422
1159	void	1423	void
		1424	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1425	PPCODE:
		1426	{
		1427	int fd = s_fileno_croak (fh, 0);
		1428	dREQ;
		1429
		1430	req->type = EIO_SEEK;
		1431	req->sv1 = newSVsv (fh);
		1432	req->int1 = fd;
		1433	req->offs = SvVAL64 (offset);
		1434	req->int2 = whence;
		1435
		1436	REQ_SEND;
		1437	}
		1438
		1439	void
1160	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1440	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1161	ALIAS:	1441	ALIAS:
1162	aio_read = EIO_READ	1442	aio_read = EIO_READ
1163	aio_write = EIO_WRITE	1443	aio_write = EIO_WRITE
1164	PPCODE:	1444	PPCODE:
1165	{	1445	{
…		…
1181	len = svlen - dataoffset;	1461	len = svlen - dataoffset;
1182	}	1462	}
1183	else	1463	else
1184	{	1464	{
1185	/* read: check type and grow scalar as necessary */	1465	/* read: check type and grow scalar as necessary */
1186	SvUPGRADE (data, SVt_PV);	1466	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1187	svptr = SvGROW (data, len + dataoffset + 1);	1467	svptr = sv_grow (data, len + dataoffset + 1);
		1468	else if (SvCUR (data) < len + dataoffset)
		1469	croak ("length + dataoffset outside of scalar, and cannot grow");
1188	}	1470	}
1189		1471
1190	{	1472	{
1191	dREQ;	1473	dREQ;
1192		1474
…		…
1208	REQ_SEND;	1490	REQ_SEND;
1209	}	1491	}
1210	}	1492	}
1211		1493
1212	void	1494	void
		1495	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1496	ALIAS:
		1497	aio_ioctl = EIO_IOCTL
		1498	aio_fcntl = EIO_FCNTL
		1499	PPCODE:
		1500	{
		1501	int fd = s_fileno_croak (fh, 0);
		1502	char *svptr;
		1503
		1504	if (SvPOK (arg) || !SvNIOK (arg))
		1505	{
		1506	STRLEN svlen;
		1507	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1508	#ifdef IOCPARM_LEN
		1509	STRLEN need = IOCPARM_LEN (request);
		1510	#else
		1511	STRLEN need = 256;
		1512	#endif
		1513
		1514	if (svlen < need)
		1515	svptr = SvGROW (arg, need);
		1516	}
		1517	else
		1518	svptr = (char *)SvIV (arg);
		1519
		1520	{
		1521	dREQ;
		1522
		1523	req->type = ix;
		1524	req->sv1 = newSVsv (fh);
		1525	req->int1 = fd;
		1526	req->int2 = (long)request;
		1527	req->sv2 = SvREFCNT_inc (arg);
		1528	req->ptr2 = svptr;
		1529
		1530	REQ_SEND;
		1531	}
		1532	}
		1533
		1534	void
1213	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1535	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1214	ALIAS:	1536	ALIAS:
1215	aio_readlink = EIO_READLINK	1537	aio_readlink = EIO_READLINK
1216	aio_realpath = EIO_REALPATH	1538	aio_realpath = EIO_REALPATH
1217	PPCODE:	1539	PPCODE:
1218	{	1540	{
…		…
1223		1545
1224	REQ_SEND;	1546	REQ_SEND;
1225	}	1547	}
1226		1548
1227	void	1549	void
1228	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1550	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1229	PPCODE:	1551	PPCODE:
1230	{	1552	{
1231	int ifd = s_fileno_croak (in_fh , 0);	1553	int ifd = s_fileno_croak (in_fh , 0);
1232	int ofd = s_fileno_croak (out_fh, 1);	1554	int ofd = s_fileno_croak (out_fh, 1);
1233	dREQ;	1555	dREQ;
1234		1556
1235	req->type = EIO_SENDFILE;	1557	req->type = EIO_SENDFILE;
1236	req->sv1 = newSVsv (out_fh);	1558	req->sv1 = newSVsv (out_fh);
1237	req->int1 = ofd;	1559	req->int1 = ofd;
…		…
1242		1564
1243	REQ_SEND;	1565	REQ_SEND;
1244	}	1566	}
1245		1567
1246	void	1568	void
1247	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1569	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1248	PPCODE:	1570	PPCODE:
1249	{	1571	{
1250	int fd = s_fileno_croak (fh, 0);	1572	int fd = s_fileno_croak (fh, 0);
1251	dREQ;	1573	dREQ;
1252		1574
1253	req->type = EIO_READAHEAD;	1575	req->type = EIO_READAHEAD;
1254	req->sv1 = newSVsv (fh);	1576	req->sv1 = newSVsv (fh);
1255	req->int1 = fd;	1577	req->int1 = fd;
…		…
1258		1580
1259	REQ_SEND;	1581	REQ_SEND;
1260	}	1582	}
1261		1583
1262	void	1584	void
1263	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1585	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1264	ALIAS:	1586	ALIAS:
1265	aio_stat = EIO_STAT	1587	aio_stat = EIO_STAT
1266	aio_lstat = EIO_LSTAT	1588	aio_lstat = EIO_LSTAT
1267	aio_statvfs = EIO_STATVFS	1589	aio_statvfs = EIO_STATVFS
1268	PPCODE:	1590	PPCODE:
1269	{	1591	{
1270	dREQ;	1592	dREQ;
1271		1593
1272	req->sv1 = newSVsv (fh_or_path);
1273	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1594	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
		1595
1274	REQ_SEND;	1596	REQ_SEND;
1275	}	1597	}
1276		1598
1277	UV	1599	UV
1278	major (UV dev)	1600	major (UV dev)
1279	ALIAS:	1601	ALIAS:
1280	minor = 1	1602	minor = 1
1281	CODE:	1603	CODE:
1282	RETVAL = ix ? major (dev) : minor (dev);	1604	RETVAL = ix ? minor (dev) : major (dev);
1283	OUTPUT:	1605	OUTPUT:
1284	RETVAL	1606	RETVAL
1285		1607
1286	UV	1608	UV
1287	makedev (UV maj, UV min)	1609	makedev (UV maj, UV min)
…		…
1289	RETVAL = makedev (maj, min);	1611	RETVAL = makedev (maj, min);
1290	OUTPUT:	1612	OUTPUT:
1291	RETVAL	1613	RETVAL
1292		1614
1293	void	1615	void
1294	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1616	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1295	PPCODE:	1617	PPCODE:
1296	{	1618	{
1297	dREQ;	1619	dREQ;
1298		1620
1299	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1621	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1302		1624
1303	REQ_SEND;	1625	REQ_SEND;
1304	}	1626	}
1305		1627
1306	void	1628	void
1307	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1629	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1308	PPCODE:	1630	PPCODE:
1309	{	1631	{
1310	dREQ;	1632	dREQ;
1311		1633
1312	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1634	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1314		1636
1315	REQ_SEND;	1637	REQ_SEND;
1316	}	1638	}
1317		1639
1318	void	1640	void
1319	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1641	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1320	ALIAS:
1321	aio_chmod = EIO_CHMOD
1322	aio_mkdir = EIO_MKDIR
1323	PPCODE:	1642	PPCODE:
1324	{	1643	{
1325	dREQ;	1644	dREQ;
1326		1645
1327	req->int2 = mode;	1646	req->int2 = mode;
…		…
1329		1648
1330	REQ_SEND;	1649	REQ_SEND;
1331	}	1650	}
1332		1651
1333	void	1652	void
1334	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1653	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1335	PPCODE:	1654	PPCODE:
1336	{	1655	{
1337	dREQ;	1656	dREQ;
1338		1657
1339	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1658	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1342		1661
1343	REQ_SEND;	1662	REQ_SEND;
1344	}	1663	}
1345		1664
1346	void	1665	void
1347	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1666	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1348	PPCODE:	1667	PPCODE:
1349	{	1668	{
1350	dREQ;	1669	dREQ;
1351		1670
1352	req->type = EIO_READDIR;	1671	req->type = EIO_READDIR;
1353	req->sv1 = newSVsv (pathname);
1354	req->ptr1 = SvPVbyte_nolen (req->sv1);
1355	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1672	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1356		1673
1357	if (flags & EIO_READDIR_DENTS)	1674	if (flags & EIO_READDIR_DENTS)
1358	req->int1 |= EIO_READDIR_CUSTOM2;	1675	req->int1 |= EIO_READDIR_CUSTOM2;
1359		1676
		1677	req_set_path1 (req, pathname);
		1678
1360	REQ_SEND;	1679	REQ_SEND;
1361	}	1680	}
1362		1681
1363	void	1682	void
		1683	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1684	PPCODE:
		1685	{
		1686	dREQ;
		1687
		1688	req->type = EIO_MKDIR;
		1689	req->int2 = mode;
		1690	req_set_path1 (req, pathname);
		1691
		1692	REQ_SEND;
		1693	}
		1694
		1695	void
1364	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1696	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1365	ALIAS:	1697	ALIAS:
1366	aio_unlink = EIO_UNLINK	1698	aio_unlink = EIO_UNLINK
1367	aio_rmdir = EIO_RMDIR	1699	aio_rmdir = EIO_RMDIR
1368	aio_readdir = EIO_READDIR	1700	aio_readdir = EIO_READDIR
1369	PPCODE:	1701	PPCODE:
…		…
1375		1707
1376	REQ_SEND;	1708	REQ_SEND;
1377	}	1709	}
1378		1710
1379	void	1711	void
1380	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1712	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1381	ALIAS:	1713	ALIAS:
1382	aio_link = EIO_LINK	1714	aio_link = EIO_LINK
1383	aio_symlink = EIO_SYMLINK	1715	aio_symlink = EIO_SYMLINK
1384	aio_rename = EIO_RENAME	1716	aio_rename = EIO_RENAME
1385	PPCODE:	1717	PPCODE:
1386	{	1718	{
		1719	eio_wd wd2 = 0;
1387	dREQ;	1720	dREQ;
1388	eio_wd wd2;
1389		1721
1390	req->type = ix;	1722	req->type = ix;
1391	req_set_path1 (req, oldpath);	1723	req_set_path1 (req, oldpath);
1392	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1724	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1393	req->int3 = (long)wd2;	1725	req->int3 = (long)wd2;
1394		1726
1395	REQ_SEND;	1727	REQ_SEND;
1396	}	1728	}
1397		1729
1398	void	1730	void
		1731	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1732	PPCODE:
		1733	{
		1734	eio_wd wd2 = 0;
		1735	dREQ;
		1736
		1737	req->type = EIO_RENAME;
		1738	req_set_path1 (req, oldpath);
		1739	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1740	req->int2 = flags;
		1741	req->int3 = (long)wd2;
		1742
		1743	REQ_SEND;
		1744	}
		1745
		1746	void
1399	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1747	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1400	PPCODE:	1748	PPCODE:
1401	{	1749	{
1402	dREQ;	1750	dREQ;
1403		1751
1404	req->type = EIO_MKNOD;	1752	req->type = EIO_MKNOD;
…		…
1408		1756
1409	REQ_SEND;	1757	REQ_SEND;
1410	}	1758	}
1411		1759
1412	void	1760	void
1413	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1761	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1414	ALIAS:	1762	ALIAS:
1415	aio_mtouch = EIO_MTOUCH	1763	aio_mtouch = EIO_MTOUCH
1416	aio_msync = EIO_MSYNC	1764	aio_msync = EIO_MSYNC
1417	PPCODE:	1765	PPCODE:
1418	{	1766	{
1419	STRLEN svlen;	1767	STRLEN svlen;
1420	char *svptr = SvPVbyte (data, svlen);	1768	char *svptr = SvPVbyte (data, svlen);
1421	UV len = SvUV (length);	1769	UV len = SvUV (length);
		1770
		1771	if (flags < 0)
		1772	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1422		1773
1423	if (offset < 0)	1774	if (offset < 0)
1424	offset += svlen;	1775	offset += svlen;
1425		1776
1426	if (offset < 0 || offset > svlen)	1777	if (offset < 0 || offset > svlen)
…		…
1441	REQ_SEND;	1792	REQ_SEND;
1442	}	1793	}
1443	}	1794	}
1444		1795
1445	void	1796	void
1446	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1797	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1447	PPCODE:	1798	PPCODE:
1448	{	1799	{
1449	STRLEN svlen;	1800	STRLEN svlen;
1450	char *svptr = SvPVbyte (data, svlen);	1801	char *svptr = SvPVbyte (data, svlen);
1451	UV len = SvUV (length);	1802	UV len = SvUV (length);
…		…
1470	REQ_SEND;	1821	REQ_SEND;
1471	}	1822	}
1472	}	1823	}
1473		1824
1474	void	1825	void
1475	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1826	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1476	PPCODE:	1827	PPCODE:
1477	{	1828	{
1478	dREQ;	1829	dREQ;
1479		1830
1480	req->type = EIO_MLOCKALL;	1831	req->type = EIO_MLOCKALL;
…		…
1482		1833
1483	REQ_SEND;	1834	REQ_SEND;
1484	}	1835	}
1485		1836
1486	void	1837	void
		1838	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		1839	PPCODE:
		1840	{
		1841	int fd = s_fileno_croak (fh, 0);
		1842	dREQ;
		1843
		1844	req->type = EIO_CUSTOM;
		1845	req->sv1 = newSVsv (fh);
		1846	req->int1 = fd;
		1847
		1848	req->feed = fiemap;
		1849	#if HAVE_FIEMAP
		1850	/* keep our fingers crossed that the next two types are 64 bit */
		1851	req->offs = start;
		1852	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		1853	req->int2 = flags;
		1854	req->int3 = SvOK (count) ? SvIV (count) : -1;
		1855	#endif
		1856
		1857	REQ_SEND;
		1858	}
		1859
		1860	void
		1861	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		1862	PPCODE:
		1863	{
		1864	char *svptr = 0;
		1865
		1866	sv_clear_foreign (data);
		1867
		1868	if (length) /* known length, directly read into scalar */
		1869	{
		1870	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		1871	svptr = sv_grow (data, length + 1);
		1872	else if (SvCUR (data) < length)
		1873	croak ("length outside of scalar, and cannot grow");
		1874	else
		1875	svptr = SvPVbyte_nolen (data);
		1876	}
		1877
		1878	{
		1879	dREQ;
		1880
		1881	req->type = EIO_SLURP;
		1882	req_set_path1 (req, pathname);
		1883	req->offs = offset;
		1884	req->size = length;
		1885	req->sv2 = SvREFCNT_inc (data);
		1886	req->ptr2 = svptr;
		1887
		1888	if (!SvREADONLY (data))
		1889	{
		1890	SvREADONLY_on (data);
		1891	req->flags |= FLAG_SV2_RO_OFF;
		1892	}
		1893
		1894	REQ_SEND;
		1895	}
		1896	}
		1897
		1898	void
1487	aio_busy (double delay, SV *callback=&PL_sv_undef)	1899	aio_busy (double delay, SV *callback = &PL_sv_undef)
1488	PPCODE:	1900	PPCODE:
1489	{	1901	{
1490	dREQ;	1902	dREQ;
1491		1903
1492	req->type = EIO_BUSY;	1904	req->type = EIO_BUSY;
…		…
1494		1906
1495	REQ_SEND;	1907	REQ_SEND;
1496	}	1908	}
1497		1909
1498	void	1910	void
1499	aio_group (SV *callback=&PL_sv_undef)	1911	aio_group (SV *callback = &PL_sv_undef)
1500	PPCODE:	1912	PPCODE:
1501	{	1913	{
1502	dREQ;	1914	dREQ;
1503		1915
1504	req->type = EIO_GROUP;	1916	req->type = EIO_GROUP;
1505		1917
		1918	PUTBACK;
1506	req_submit (req);	1919	req_submit (req);
		1920	SPAGAIN;
		1921
1507	XPUSHs (req_sv (req, aio_grp_stash));	1922	XPUSHs (req_sv (req, aio_grp_stash));
1508	}	1923	}
1509		1924
1510	void	1925	void
1511	aio_nop (SV *callback=&PL_sv_undef)	1926	aio_nop (SV *callback = &PL_sv_undef)
1512	ALIAS:	1927	ALIAS:
1513	aio_nop = EIO_NOP	1928	aio_nop = EIO_NOP
1514	aio_sync = EIO_SYNC	1929	aio_sync = EIO_SYNC
1515	PPCODE:	1930	PPCODE:
1516	{	1931	{
…		…
1520		1935
1521	REQ_SEND;	1936	REQ_SEND;
1522	}	1937	}
1523		1938
1524	int	1939	int
1525	aioreq_pri (int pri = 0)	1940	aioreq_pri (int pri = NO_INIT)
1526	CODE:	1941	CODE:
1527	RETVAL = next_pri;	1942	RETVAL = next_pri;
1528	if (items > 0)	1943	if (items > 0)
1529	{	1944	{
1530	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1945	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1620	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2035	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1621	OUTPUT:	2036	OUTPUT:
1622	RETVAL	2037	RETVAL
1623		2038
1624	void	2039	void
1625	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	2040	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1626	PPCODE:	2041	PPCODE:
1627	sv_unmagic (scalar, MMAP_MAGIC);	2042	sv_clear_foreign (scalar);
1628	{	2043	{
1629	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2044	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1630	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2045	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1631	if (addr == (void *)-1)	2046	if (addr == (void *)-1)
1632	XSRETURN_NO;	2047	XSRETURN_NO;
1633		2048
1634	sv_force_normal (scalar);	2049	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1635
1636	/* we store the length in mg_obj, as namlen is I32 :/ */
1637	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1638	->mg_obj = (SV *)length;
1639
1640	SvUPGRADE (scalar, SVt_PV); /* nop... */
1641		2050
1642	if (!(prot & PROT_WRITE))	2051	if (!(prot & PROT_WRITE))
1643	SvREADONLY_on (scalar);	2052	SvREADONLY_on (scalar);
1644		2053
1645	if (SvLEN (scalar))
1646	Safefree (SvPVX (scalar));
1647
1648	SvPVX (scalar) = (char *)addr;
1649	SvCUR_set (scalar, length);
1650	SvLEN_set (scalar, 0);
1651	SvPOK_only (scalar);
1652
1653	XSRETURN_YES;	2054	XSRETURN_YES;
1654	}	2055	}
1655		2056
1656	void	2057	void
1657	munmap (SV *scalar)	2058	munmap (SV *scalar)
1658	CODE:	2059	CODE:
1659	sv_unmagic (scalar, MMAP_MAGIC);	2060	sv_clear_foreign (scalar);
1660		2061
1661	int	2062	int
1662	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2063	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1663	ALIAS:	2064	ALIAS:
1664	mprotect = 1	2065	mprotect = 1
1665	CODE:	2066	CODE:
1666	{	2067	{
1667	STRLEN svlen;	2068	STRLEN svlen;
1668	void *addr = SvPVbyte (scalar, svlen);	2069	void *addr = SvPVbyte (scalar, svlen);
1669	size_t len = SvUV (length);	2070	STRLEN len = SvUV (length);
1670		2071
1671	if (offset < 0)	2072	if (offset < 0)
1672	offset += svlen;	2073	offset += svlen;
1673		2074
1674	if (offset < 0 || offset > svlen)	2075	if (offset < 0 || offset > svlen)
…		…
1688	}	2089	}
1689	OUTPUT:	2090	OUTPUT:
1690	RETVAL	2091	RETVAL
1691		2092
1692	int	2093	int
1693	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2094	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1694	CODE:	2095	CODE:
1695	{	2096	{
1696	STRLEN svlen;	2097	STRLEN svlen;
1697	void *addr = SvPVbyte (scalar, svlen);	2098	void *addr = SvPVbyte (scalar, svlen);
1698	size_t len = SvUV (length);	2099	size_t len = SvUV (length);
1699		2100
1700	if (offset < 0)	2101	if (offset < 0)
1701	offset += svlen;	2102	offset += svlen;
1702		2103
…		…
1709	addr = (void *)(((intptr_t)addr) + offset);	2110	addr = (void *)(((intptr_t)addr) + offset);
1710	eio_page_align (&addr, &len);	2111	eio_page_align (&addr, &len);
1711	#if _POSIX_MEMLOCK_RANGE	2112	#if _POSIX_MEMLOCK_RANGE
1712	RETVAL = munlock (addr, len);	2113	RETVAL = munlock (addr, len);
1713	#else	2114	#else
1714	RETVAL = ((errno = ENOSYS), -1);	2115	RETVAL = EIO_ENOSYS ();
1715	#endif	2116	#endif
1716	}	2117	}
1717	OUTPUT:	2118	OUTPUT:
1718	RETVAL	2119	RETVAL
1719		2120
…		…
1721	munlockall ()	2122	munlockall ()
1722	CODE:	2123	CODE:
1723	#if _POSIX_MEMLOCK	2124	#if _POSIX_MEMLOCK
1724	munlockall ();	2125	munlockall ();
1725	#else	2126	#else
1726	RETVAL = -1;	2127	RETVAL = EIO_ENOSYS ();
1727	errno = ENOSYS;
1728	#endif	2128	#endif
1729	OUTPUT:	2129	OUTPUT:
1730	RETVAL	2130	RETVAL
		2131
		2132	int
		2133	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2134	CODE:
		2135	{
		2136	#if HAVE_LINUX_SPLICE
		2137	loff_t off_in_, off_out_;
		2138	RETVAL = splice (
		2139	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2140	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2141	length, flags
		2142	);
		2143	#else
		2144	RETVAL = EIO_ENOSYS ();
		2145	#endif
		2146	}
		2147	OUTPUT:
		2148	RETVAL
		2149
		2150	int
		2151	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2152	CODE:
		2153	#if HAVE_LINUX_SPLICE
		2154	RETVAL = tee (rfh, wfh, length, flags);
		2155	#else
		2156	RETVAL = EIO_ENOSYS ();
		2157	#endif
		2158	OUTPUT:
		2159	RETVAL
		2160
		2161	int
		2162	pipesize (aio_rfd rfh, int new_size = -1)
		2163	PROTOTYPE: $;$
		2164	CODE:
		2165	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2166	if (new_size >= 0)
		2167	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2168	else
		2169	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2170	#else
		2171	errno = ENOSYS;
		2172	RETVAL = -1;
		2173	#endif
		2174	OUTPUT:
		2175	RETVAL
		2176
		2177	void
		2178	pipe2 (int flags = 0)
		2179	PROTOTYPE: ;$
		2180	PPCODE:
		2181	{
		2182	int fd[2];
		2183	int res;
		2184
		2185	if (flags)
		2186	#if HAVE_PIPE2
		2187	res = pipe2 (fd, flags);
		2188	#else
		2189	res = (errno = ENOSYS, -1);
		2190	#endif
		2191	else
		2192	res = pipe (fd);
		2193
		2194	if (!res)
		2195	{
		2196	EXTEND (SP, 2);
		2197	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2198	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2199	}
		2200	}
		2201
		2202	void
		2203	eventfd (unsigned int initval = 0, int flags = 0)
		2204	PPCODE:
		2205	{
		2206	int fd;
		2207	#if HAVE_EVENTFD
		2208	fd = eventfd (initval, flags);
		2209	#else
		2210	fd = (errno = ENOSYS, -1);
		2211	#endif
		2212
		2213	XPUSHs (newmortalFH (fd, O_RDWR));
		2214	}
		2215
		2216	void
		2217	timerfd_create (int clockid, int flags = 0)
		2218	PPCODE:
		2219	{
		2220	int fd;
		2221	#if HAVE_TIMERFD
		2222	fd = timerfd_create (clockid, flags);
		2223	#else
		2224	fd = (errno = ENOSYS, -1);
		2225	#endif
		2226
		2227	XPUSHs (newmortalFH (fd, O_RDWR));
		2228	}
		2229
		2230	void
		2231	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2232	PPCODE:
		2233	{
		2234	int fd = s_fileno_croak (fh, 0);
		2235	int res;
		2236	struct itimerspec its, ots;
		2237
		2238	ts_set (&its.it_interval, interval);
		2239	ts_set (&its.it_value , value);
		2240	#if HAVE_TIMERFD
		2241	res = timerfd_settime (fd, flags, &its, &ots);
		2242	#else
		2243	res = (errno = ENOSYS, -1);
		2244	#endif
		2245
		2246	if (!res)
		2247	{
		2248	EXTEND (SP, 2);
		2249	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2250	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2251	}
		2252	}
		2253
		2254	void
		2255	timerfd_gettime (SV *fh)
		2256	PPCODE:
		2257	{
		2258	int fd = s_fileno_croak (fh, 0);
		2259	int res;
		2260	struct itimerspec ots;
		2261	#if HAVE_TIMERFD
		2262	res = timerfd_gettime (fd, &ots);
		2263	#else
		2264	res = (errno = ENOSYS, -1);
		2265	#endif
		2266
		2267	if (!res)
		2268	{
		2269	EXTEND (SP, 2);
		2270	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2271	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2272	}
		2273	}
		2274
		2275	UV
		2276	get_fdlimit ()
		2277	CODE:
		2278	#if HAVE_RLIMITS
		2279	struct rlimit rl;
		2280	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2281	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2282	#endif
		2283	XSRETURN_UNDEF;
		2284	OUTPUT:
		2285	RETVAL
		2286
		2287	void
		2288	min_fdlimit (UV limit = 0x7fffffffU)
		2289	CODE:
		2290	{
		2291	#if HAVE_RLIMITS
		2292	struct rlimit rl;
		2293	rlim_t orig_rlim_max;
		2294	UV bit;
		2295
		2296	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2297	goto fail;
		2298
		2299	if (rl.rlim_cur == RLIM_INFINITY)
		2300	XSRETURN_YES;
		2301
		2302	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2303
		2304	if (rl.rlim_cur < limit)
		2305	{
		2306	rl.rlim_cur = limit;
		2307
		2308	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2309	rl.rlim_max = rl.rlim_cur;
		2310	}
		2311
		2312	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2313	XSRETURN_YES;
		2314
		2315	if (errno == EPERM)
		2316	{
		2317	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2318	/* our limit overflows a system-wide limit */
		2319	/* try an adaptive algorithm, but do not lower the hardlimit */
		2320	rl.rlim_max = 0;
		2321	for (bit = 0x40000000U; bit; bit >>= 1)
		2322	{
		2323	rl.rlim_max |= bit;
		2324	rl.rlim_cur = rl.rlim_max;
		2325
		2326	/* nevr decrease the hard limit */
		2327	if (rl.rlim_max < orig_rlim_max)
		2328	break;
		2329
		2330	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2331	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2332	}
		2333
		2334	/* now, raise the soft limit to the max permitted */
		2335	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2336	{
		2337	rl.rlim_cur = rl.rlim_max;
		2338	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2339	errno = EPERM;
		2340	}
		2341	}
		2342	#endif
		2343	fail:
		2344	XSRETURN_UNDEF;
		2345	}
1731		2346
1732	void _on_next_submit (SV *cb)	2347	void _on_next_submit (SV *cb)
1733	CODE:	2348	CODE:
1734	SvREFCNT_dec (on_next_submit);	2349	SvREFCNT_dec (on_next_submit);
1735	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2350	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1736		2351
1737	PROTOTYPES: DISABLE	2352	PROTOTYPES: DISABLE
1738		2353
1739	MODULE = IO::AIO PACKAGE = IO::AIO::WD	2354	MODULE = IO::AIO PACKAGE = IO::AIO::WD
1740		2355
		2356	BOOT:
		2357	{
		2358	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2359	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2360	}
		2361
1741	void	2362	void
1742	DESTROY (SV *self)	2363	DESTROY (SV *self)
1743	CODE:	2364	CODE:
1744	{	2365	{
1745	aio_wd wd = SvAIO_WD (self);	2366	aio_wd wd = SvAIO_WD (self);
1746	#if HAVE_AT	2367	#if HAVE_AT
		2368	{
1747	SV *callback = &PL_sv_undef;	2369	SV *callback = &PL_sv_undef;
1748	dREQ; /* clobbers next_pri :/ */	2370	dREQ; /* clobbers next_pri :/ */
		2371	next_pri = req->pri; /* restore next_pri */
		2372	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1749	req->type = EIO_WD_CLOSE;	2373	req->type = EIO_WD_CLOSE;
1750	req->wd = wd;	2374	req->wd = wd;
1751	REQ_SEND;	2375	REQ_SEND;
		2376	}
1752	#else	2377	#else
1753	eio_wd_close_sync (wd);	2378	eio_wd_close_sync (wd);
1754	#endif	2379	#endif
1755	}	2380	}
1756		2381
…		…
1760	cancel (aio_req_ornot req)	2385	cancel (aio_req_ornot req)
1761	CODE:	2386	CODE:
1762	eio_cancel (req);	2387	eio_cancel (req);
1763		2388
1764	void	2389	void
1765	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2390	cb (aio_req_ornot req, SV *callback = NO_INIT)
1766	PPCODE:	2391	PPCODE:
1767	{	2392	{
1768	if (GIMME_V != G_VOID)	2393	if (GIMME_V != G_VOID)
1769	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2394	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1770		2395
1771	if (items > 1)	2396	if (items > 1)
1772	{	2397	{
1773	SV *cb_cv =get_cb (callback);	2398	SV *cb_cv = get_cb (callback);
1774		2399
1775	SvREFCNT_dec (req->callback);	2400	SvREFCNT_dec (req->callback);
1776	req->callback = SvREFCNT_inc (cb_cv);	2401	req->callback = SvREFCNT_inc (cb_cv);
1777	}	2402	}
1778	}	2403	}
…		…
1835	limit (aio_req grp, int limit)	2460	limit (aio_req grp, int limit)
1836	CODE:	2461	CODE:
1837	eio_grp_limit (grp, limit);	2462	eio_grp_limit (grp, limit);
1838		2463
1839	void	2464	void
1840	feed (aio_req grp, SV *callback=&PL_sv_undef)	2465	feed (aio_req grp, SV *callback = &PL_sv_undef)
1841	CODE:	2466	CODE:
1842	{	2467	{
1843	SvREFCNT_dec (grp->sv2);	2468	SvREFCNT_dec (grp->sv2);
1844	grp->sv2 = newSVsv (callback);	2469	grp->sv2 = newSVsv (callback);
1845	grp->feed = aio_grp_feed;	2470	grp->feed = aio_grp_feed;

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