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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.203 by root, Thu Sep 29 23:06:24 2011 UTC vs.
Revision 1.276 by root, Wed Apr 3 03:03:53 2019 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	#include "perliol.h"
8		9
9	#include "schmorp.h"	10	#if !defined mg_findext
		11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		12	#endif
10		13
11	#include <stddef.h>	14	#include <stddef.h>
12	#include <stdlib.h>	15	#include <stdlib.h>
13	#include <errno.h>	16	#include <errno.h>
14	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
15	#include <sys/stat.h>	19	#include <sys/stat.h>
16	#include <limits.h>	20	#include <limits.h>
17	#include <fcntl.h>	21	#include <fcntl.h>
18	#include <sched.h>	22	#include <sched.h>
19		23
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES	24	/* the incompetent fool that created musl keeps __linux__, refuses
21	# include <sys/mman.h>	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
…		…
61	#undef fchmod	75	#undef fchmod
62	#undef dup	76	#undef dup
63	#undef dup2	77	#undef dup2
64	#undef abort	78	#undef abort
65	#undef pipe	79	#undef pipe
		80	#undef utime
		81
		82	#define EIO_STRUCT_STAT struct _stati64
		83	#define EIO_STRUCT_STATI64
66		84
67	#else	85	#else
68		86
69	#include <sys/time.h>	87	#include <sys/time.h>
70	#include <sys/select.h>	88	#include <sys/select.h>
71	#include <unistd.h>	89	#include <unistd.h>
72	#include <utime.h>	90	#include <utime.h>
73	#include <signal.h>	91	#include <signal.h>
74		92
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	93	#define EIO_STRUCT_STAT Stat_t
78		94
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	95	#endif
89		96
90	/*****************************************************************************/	97	/*****************************************************************************/
91		98
92	#if __GNUC__ >= 3	99	#if __GNUC__ >= 3
…		…
97		104
98	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
99	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
100		107
101	/*****************************************************************************/	108	/*****************************************************************************/
		109
		110	#include "config.h"
		111
		112	#if HAVE_SYS_MKDEV_H
		113	# include <sys/mkdev.h>
		114	#elif HAVE_SYS_SYSMACROS_H
		115	# include <sys/sysmacros.h>
		116	#endif
		117
		118	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
		119	# include <sys/mman.h>
		120	#endif
		121
		122	#if HAVE_SYS_UIO_H
		123	# include <sys/uio.h>
		124	#endif
		125
		126	#if HAVE_ST_XTIMENSEC
		127	# define ATIMENSEC PL_statcache.st_atimensec
		128	# define MTIMENSEC PL_statcache.st_mtimensec
		129	# define CTIMENSEC PL_statcache.st_ctimensec
		130	#elif HAVE_ST_XTIMESPEC
		131	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		132	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		133	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		134	#else
		135	# define ATIMENSEC 0
		136	# define MTIMENSEC 0
		137	# define CTIMENSEC 0
		138	#endif
		139
		140	#if HAVE_ST_BIRTHTIMENSEC
		141	# define BTIMESEC PL_statcache.st_birthtime
		142	# define BTIMENSEC PL_statcache.st_birthtimensec
		143	#elif HAVE_ST_BIRTHTIMESPEC
		144	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		145	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		146	#else
		147	# define BTIMESEC 0
		148	# define BTIMENSEC 0
		149	#endif
		150
		151	#if HAVE_ST_GEN
		152	# define ST_GEN PL_statcache.st_gen
		153	#else
		154	# define ST_GEN 0
		155	#endif
		156
		157	#include "schmorp.h"
		158
		159	#if HAVE_EVENTFD
		160	# include <sys/eventfd.h>
		161	#endif
		162
		163	#if HAVE_TIMERFD
		164	# include <sys/timerfd.h>
		165	#endif
		166
		167	#if HAVE_RLIMITS
		168	#include <sys/time.h>
		169	#include <sys/resource.h>
		170	#endif
102		171
103	typedef SV SV8; /* byte-sv, used for argument-checking */	172	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	173	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	174	typedef int aio_wfd; /* write file descriptor */
106		175
…		…
113	STRLEN stroffset; \	182	STRLEN stroffset; \
114	SV *self;	183	SV *self;
115		184
116	#define EIO_NO_WRAPPERS 1	185	#define EIO_NO_WRAPPERS 1
117		186
118	#include "libeio/config.h"
119	#include "libeio/eio.h"	187	#include "libeio/eio.h"
120		188
121	static int req_invoke (eio_req *req);	189	static int req_invoke (eio_req *req);
122	#define EIO_FINISH(req) req_invoke (req)	190	#define EIO_FINISH(req) req_invoke (req)
123	static void req_destroy (eio_req *grp);	191	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	192	#define EIO_DESTROY(req) req_destroy (req)
125		193
126	#include "libeio/eio.c"	194	#include "libeio/eio.c"
127		195
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	196	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	197	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	198	#endif
196		199
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	200	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	201	# 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	202	#endif
291		203
292	#ifndef MAP_ANONYMOUS	204	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	205	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	206	# define MAP_ANONYMOUS MAP_ANON
295	# else	207	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	208	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	209	# endif
298	#endif	210	#endif
299	#ifndef MAP_HUGETLB
300	# define MAP_HUGETLB 0
301	#endif
302	#ifndef MAP_LOCKED
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		211
315	#ifndef makedev	212	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) \| (min))	213	# define makedev(maj,min) (((maj) << 8) \| (min))
317	#endif	214	#endif
318	#ifndef major	215	#ifndef major
…		…
320	#endif	217	#endif
321	#ifndef minor	218	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	219	# define minor(dev) ((dev) & 0xff)
323	#endif	220	#endif
324		221
		222	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		223	#ifdef __sun
325	#ifndef PAGESIZE	224	# undef PAGESIZE
		225	#endif
		226
		227	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	228	# define PAGESIZE sysconf (_SC_PAGESIZE)
		229	#endif
		230
		231	/*****************************************************************************/
		232
		233	#if !_POSIX_MAPPED_FILES
		234	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		235	# define munmap(addr,length) EIO_ENOSYS ()
		236	#endif
		237
		238	#if !_POSIX_MEMORY_PROTECTION
		239	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		240	#endif
		241
		242	#if !MREMAP_MAYMOVE
		243	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		244	#endif
		245
		246	#define FOREIGN_MAGIC PERL_MAGIC_ext
		247
		248	static int ecb_cold
		249	mmap_free (pTHX_ SV sv, MAGIC mg)
		250	{
		251	int old_errno = errno;
		252	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		253	errno = old_errno;
		254
		255	mg->mg_obj = 0; /* just in case */
		256
		257	SvREADONLY_off (sv);
		258
		259	if (SvPVX (sv) != mg->mg_ptr)
		260	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		261
		262	SvCUR_set (sv, 0);
		263	SvPVX (sv) = 0;
		264	SvOK_off (sv);
		265
		266	return 0;
		267	}
		268
		269	static MGVTBL mmap_vtbl = {
		270	0, 0, 0, 0, mmap_free
		271	};
		272
		273	static int ecb_cold
		274	sysfree_free (pTHX_ SV sv, MAGIC mg)
		275	{
		276	free (mg->mg_ptr);
		277	mg->mg_obj = 0; /* just in case */
		278
		279	SvREADONLY_off (sv);
		280
		281	if (SvPVX (sv) != mg->mg_ptr)
		282	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		283
		284	SvCUR_set (sv, 0);
		285	SvPVX (sv) = 0;
		286	SvOK_off (sv);
		287
		288	return 0;
		289	}
		290
		291	static MGVTBL sysfree_vtbl = {
		292	0, 0, 0, 0, sysfree_free
		293	};
		294
		295	/*****************************************************************************/
		296
		297	/* helper: set scalar to foreign ptr with custom free */
		298	ecb_noinline
		299	static void
		300	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		301	{
		302	sv_force_normal (sv);
		303
		304	/* we store the length in mg_obj, as namlen is I32 :/ */
		305	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		306	->mg_obj = (SV *)length;
		307
		308	SvUPGRADE (sv, SVt_PV); /* nop... */
		309
		310	if (SvLEN (sv))
		311	Safefree (SvPVX (sv));
		312
		313	SvPVX (sv) = (char *)addr;
		314	SvCUR_set (sv, length);
		315	SvLEN_set (sv, 0);
		316	SvPOK_only (sv);
		317	}
		318
		319	static void
		320	sv_clear_foreign (SV *sv)
		321	{
		322	/* todo: iterate over magic and only free ours, but of course */
		323	/* the perl5porters will call that (correct) behaviour buggy */
		324	sv_unmagic (sv, FOREIGN_MAGIC);
		325	}
		326
		327	/*****************************************************************************/
		328
		329	/* defines all sorts of constants to 0 unless they are already defined */
		330	/* also provides const_iv_ and const_niv_ macros for them */
		331	#include "def0.h"
		332
		333	/*****************************************************************************/
		334
		335	static void
		336	fiemap (eio_req *req)
		337	{
		338	req->result = -1;
		339
		340	#if HAVE_FIEMAP
		341	/* assume some c99 */
		342	struct fiemap *fiemap = 0;
		343	size_t end_offset;
		344	int count = req->int3;
		345
		346	req->flags \|= EIO_FLAG_PTR1_FREE;
		347
		348	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		349	/* increase in 3.5kb steps */
		350	if (count < 0)
		351	count = 8;
		352
		353	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		354	errno = ENOMEM;
		355	if (!fiemap)
		356	return;
		357
		358	req->ptr1 = fiemap;
		359
		360	fiemap->fm_start = req->offs;
		361	fiemap->fm_length = req->size;
		362	fiemap->fm_flags = req->int2;
		363	fiemap->fm_extent_count = count;
		364
		365	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		366	return;
		367
		368	if (req->int3 >= 0 /* not autosizing */
		369	\|\| !fiemap->fm_mapped_extents /* no more extents */
		370	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		371	goto done;
		372
		373	/* else we have to loop -
		374	* it would be tempting (actually I tried that first) to just query the
		375	* number of extents needed, but linux often feels like not returning all
		376	* extents, without telling us it left any out. this complicates
		377	* this quite a bit.
		378	*/
		379
		380	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		381
		382	for (;;)
		383	{
		384	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		385	char scratch[3072];
		386	struct fiemap incmap = (struct fiemap )scratch;
		387
		388	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		389	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		390	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		391	incmap->fm_flags = fiemap->fm_flags;
		392	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		393
		394	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		395	return;
		396
		397	if (!incmap->fm_mapped_extents)
		398	goto done;
		399
		400	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		401	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		402	errno = ENOMEM;
		403	if (!fiemap)
		404	return;
		405
		406	req->ptr1 = fiemap;
		407
		408	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		409	{
		410	struct fiemap_extent *e = incmap->fm_extents + count;
		411
		412	if (e->fe_logical + e->fe_length >= end_offset)
		413	goto done;
		414
		415	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		416
		417	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		418	goto done;
		419
		420	}
		421	}
		422
		423	done:
		424	req->result = 0;
		425
		426	#else
		427	errno = ENOSYS;
		428	#endif
		429	}
		430
		431	/*****************************************************************************/
		432
		433	static int close_fd; /* dummy fd to close fds via dup2 */
		434
		435	#if HAVE_STATX
		436	static struct statx stx;
		437	#define statx_offsetof(member) offsetof (struct statx, member)
		438	#define eio__statx statx
		439	#else
		440	#define statx_offsetof(member) 0
		441	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
327	#endif	442	#endif
328		443
329	enum {	444	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	445	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	446	};
…		…
356	/* read any signals sent by the worker threads */	471	/* read any signals sent by the worker threads */
357	s_epipe_drain (&respipe);	472	s_epipe_drain (&respipe);
358	}	473	}
359		474
360	/* must be called at most once */	475	/* must be called at most once */
		476	ecb_noinline
361	static SV *	477	static SV *
362	req_sv (aio_req req, HV *stash)	478	req_sv (aio_req req, HV *stash)
363	{	479	{
364	if (!req->self)	480	if (!req->self)
365	{	481	{
…		…
371	}	487	}
372		488
373	static SV *	489	static SV *
374	newSVaio_wd (aio_wd wd)	490	newSVaio_wd (aio_wd wd)
375	{	491	{
376	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	492	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
377	}	493	}
378		494
		495	ecb_noinline
379	static aio_req	496	static aio_req
380	SvAIO_REQ (SV *sv)	497	SvAIO_REQ (SV *sv)
381	{	498	{
382	MAGIC *mg;	499	MAGIC *mg;
383		500
384	if (!SvROK (sv)	501	if (!SvROK (sv)
		502	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash	503	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
386	&& SvSTASH (SvRV (sv)) != aio_req_stash	504	&& SvSTASH (SvRV (sv)) != aio_req_stash
387	&& !sv_derived_from (sv, "IO::AIO::REQ")))	505	&& !sv_derived_from (sv, "IO::AIO::REQ")))
388	croak ("object of class IO::AIO::REQ expected");	506	croak ("object of class IO::AIO::REQ expected");
389		507
…		…
394		512
395	static aio_wd	513	static aio_wd
396	SvAIO_WD (SV *sv)	514	SvAIO_WD (SV *sv)
397	{	515	{
398	if (!SvROK (sv)	516	if (!SvROK (sv)
		517	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
399	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash	518	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
400	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG)
401	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	519	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402		520
403	return (aio_wd)(long)SvIVX (SvRV (sv));	521	return (aio_wd)(long)SvIVX (SvRV (sv));
		522	}
		523
		524	static SV *
		525	newmortalFH (int fd, int flags)
		526	{
		527	if (fd < 0)
		528	return &PL_sv_undef;
		529
		530	GV gv = (GV )sv_newmortal ();
		531	char sym[64];
		532	int symlen;
		533
		534	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		535	gv_init (gv, aio_stash, sym, symlen, 0);
		536
		537	symlen = snprintf (
		538	sym,
		539	sizeof (sym),
		540	"%s&=%d",
		541	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		542	fd
		543	);
		544
		545	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		546	? (SV *)gv : &PL_sv_undef;
404	}	547	}
405		548
406	static void	549	static void
407	aio_grp_feed (aio_req grp)	550	aio_grp_feed (aio_req grp)
408	{	551	{
…		…
420	FREETMPS;	563	FREETMPS;
421	LEAVE;	564	LEAVE;
422	}	565	}
423	}	566	}
424		567
		568	ecb_noinline
425	static void	569	static void
426	req_submit (eio_req *req)	570	req_submit (eio_req *req)
427	{	571	{
428	eio_submit (req);	572	eio_submit (req);
429		573
…		…
536	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	680	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
537	}	681	}
538	break;	682	break;
539		683
540	case EIO_OPEN:	684	case EIO_OPEN:
541	{	685	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR)));
542	/* convert fd to fh */
543	SV *fh = &PL_sv_undef;
544
545	if (req->result >= 0)
546	{
547	GV gv = (GV )sv_newmortal ();
548	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
549	char sym [64];
550	int symlen;
551
552	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
553	gv_init (gv, aio_stash, sym, symlen, 0);
554
555	symlen = snprintf (
556	sym,
557	sizeof (sym),
558	"%s&=%d",
559	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
560	(int)req->result
561	);
562
563	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
564	fh = (SV *)gv;
565	}
566
567	PUSHs (fh);
568	}
569	break;	686	break;
570		687
571	case EIO_STATVFS:	688	case EIO_STATVFS:
572	case EIO_FSTATVFS:	689	case EIO_FSTATVFS:
573	{	690	{
…		…
576	#ifndef _WIN32	693	#ifndef _WIN32
577	if (req->result >= 0)	694	if (req->result >= 0)
578	{	695	{
579	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	696	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
580	HV *hv = newHV ();	697	HV *hv = newHV ();
		698	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		699	* chooses to make it a struct.
		700	*/
		701	unsigned long fsid = 0;
		702	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
581		703
582	rv = sv_2mortal (newRV_noinc ((SV *)hv));	704	rv = sv_2mortal (newRV_noinc ((SV *)hv));
583		705
584	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	706	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
585	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	707	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
587	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	709	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
588	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	710	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
589	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	711	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
590	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	712	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
591	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	713	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
592	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	714	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
593	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	715	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
594	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	716	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
595	}	717	}
596	#endif	718	#endif
597		719
…		…
632	if (!(PL_laststatval = req->result))	754	if (!(PL_laststatval = req->result))
633	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	755	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
634	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	756	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
635		757
636	PUSHs (sv_result);	758	PUSHs (sv_result);
		759	break;
		760
		761	case EIO_SEEK:
		762	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
637	break;	763	break;
638		764
639	case EIO_READ:	765	case EIO_READ:
640	{	766	{
641	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	767	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
644	SvSETMAGIC (req->sv2);	770	SvSETMAGIC (req->sv2);
645	PUSHs (sv_result);	771	PUSHs (sv_result);
646	}	772	}
647	break;	773	break;
648		774
		775	case EIO_SLURP:
		776	{
		777	if (req->result >= 0)
		778	{
		779	/* if length was originally not known, we steal the malloc'ed memory */
		780	if (req->flags & EIO_FLAG_PTR2_FREE)
		781	{
		782	req->flags &= ~EIO_FLAG_PTR2_FREE;
		783	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		784	}
		785	else
		786	{
		787	SvCUR_set (req->sv2, req->result);
		788	*SvEND (req->sv2) = 0;
		789	SvPOK_only (req->sv2);
		790	}
		791
		792	SvSETMAGIC (req->sv2);
		793	}
		794
		795	PUSHs (sv_result);
		796	}
		797	break;
		798
		799	case EIO_CUSTOM:
		800	if (req->feed == fiemap)
		801	{
		802	#if HAVE_FIEMAP
		803	if (!req->result)
		804	{
		805	struct fiemap fiemap = (struct fiemap )req->ptr1;
		806
		807	if (fiemap->fm_extent_count)
		808	{
		809	AV *av = newAV ();
		810	int i;
		811
		812	while (fiemap->fm_mapped_extents)
		813	{
		814	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		815	AV *ext_av = newAV ();
		816
		817	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		818	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		819	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		820	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		821
		822	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		823	}
		824
		825	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		826	}
		827	else
		828	{
		829	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		830	PUSHs (sv_result);
		831	}
		832	}
		833	#endif
		834	}
		835	else
		836	PUSHs (sv_result);
		837	break;
		838
		839	#if 0
		840	case EIO_CLOSE:
		841	PerlIOUnix_refcnt_dec (req->int1);
		842	break;
		843	#endif
		844
649	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	845	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650	if (req->result > 0)	846	if (req->result > 0)
651	SvIV_set (sv_result, 0);	847	SvIV_set (sv_result, 0);
652	/* FALLTHROUGH */	848	/* FALLTHROUGH */
653		849
…		…
689	SvREFCNT_dec (req->sv2);	885	SvREFCNT_dec (req->sv2);
690	SvREFCNT_dec (req->sv3);	886	SvREFCNT_dec (req->sv3);
691	SvREFCNT_dec (req->sv4);	887	SvREFCNT_dec (req->sv4);
692	SvREFCNT_dec (req->callback);	888	SvREFCNT_dec (req->callback);
693		889
694	Safefree (req);	890	free (req);
695	}	891	}
696		892
697	static void	893	static void
698	req_cancel_subs (aio_req grp)	894	req_cancel_subs (aio_req grp)
699	{	895	{
…		…
704	grp->sv2 = 0;	900	grp->sv2 = 0;
705		901
706	eio_grp_cancel (grp);	902	eio_grp_cancel (grp);
707	}	903	}
708		904
709	static void ecb_cold	905	ecb_cold
		906	static void
710	create_respipe (void)	907	create_respipe (void)
711	{	908	{
712	if (s_epipe_renew (&respipe))	909	if (s_epipe_renew (&respipe))
713	croak ("IO::AIO: unable to initialize result pipe");	910	croak ("IO::AIO: unable to initialize result pipe");
714	}	911	}
…		…
718	{	915	{
719	while (eio_nreqs ())	916	while (eio_nreqs ())
720	{	917	{
721	int size;	918	int size;
722		919
723	X_LOCK (reslock);	920	X_LOCK (EIO_POOL->reslock);
724	size = res_queue.size;	921	size = EIO_POOL->res_queue.size;
725	X_UNLOCK (reslock);	922	X_UNLOCK (EIO_POOL->reslock);
726		923
727	if (size)	924	if (size)
728	return;	925	return;
729		926
730	etp_maybe_start_thread ();	927	etp_maybe_start_thread (EIO_POOL);
731		928
732	s_epipe_wait (&respipe);	929	s_epipe_wait (&respipe);
733	}	930	}
734	}	931	}
735		932
…		…
748		945
749	poll_wait ();	946	poll_wait ();
750	}	947	}
751	}	948	}
752		949
753	static void ecb_cold	950	ecb_cold
		951	static void
754	reinit (void)	952	reinit (void)
755	{	953	{
756	create_respipe ();	954	create_respipe ();
757		955
758	if (eio_init (want_poll, done_poll) < 0)	956	if (eio_init (want_poll, done_poll) < 0)
759	croak ("IO::AIO: unable to initialise eio library");	957	croak ("IO::AIO: unable to initialise eio library");
760	}	958	}
761		959
762	/*****************************************************************************/	960	/*****************************************************************************/
763		961
764	#if !_POSIX_MAPPED_FILES
765	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
766	# define munmap(addr,length) (errno = ENOSYS, -1)
767	#endif
768
769	#if !_POSIX_MEMORY_PROTECTION
770	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
771	# define PROT_NONE 0
772	# define PROT_WRITE 0
773	# define MAP_PRIVATE 0
774	# define MAP_SHARED 0
775	# define MAP_FIXED 0
776	#endif
777
778	#define MMAP_MAGIC PERL_MAGIC_ext
779
780	static int ecb_cold
781	mmap_free (pTHX_ SV sv, MAGIC mg)
782	{
783	int old_errno = errno;
784	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
785	errno = old_errno;
786
787	mg->mg_obj = 0; /* just in case */
788
789	SvREADONLY_off (sv);
790
791	if (SvPVX (sv) != mg->mg_ptr)
792	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
793
794	SvCUR_set (sv, 0);
795	SvPVX (sv) = 0;
796	SvOK_off (sv);
797
798	return 0;
799	}
800
801	static MGVTBL mmap_vtbl = {
802	0, 0, 0, 0, mmap_free
803	};
804
805	/*****************************************************************************/
806
807	static SV *	962	static SV *
808	get_cb (SV *cb_sv)	963	get_cb (SV *cb_sv)
809	{	964	{
810	SvGETMAGIC (cb_sv);	965	SvGETMAGIC (cb_sv);
811	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	966	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
812	}	967	}
813		968
		969	ecb_noinline
814	static aio_req ecb_noinline	970	static aio_req ecb_noinline
815	dreq (SV *callback)	971	dreq (SV *callback)
816	{	972	{
817	SV *cb_cv;	973	SV *cb_cv;
818	aio_req req;	974	aio_req req;
819	int req_pri = next_pri;	975	int req_pri = next_pri;
820	next_pri = EIO_PRI_DEFAULT;	976	next_pri = EIO_PRI_DEFAULT;
821		977
822	cb_cv = get_cb (callback);	978	cb_cv = get_cb (callback);
823		979
824	Newz (0, req, 1, eio_req);	980	req = calloc (sizeof (*req), 1);
825	if (!req)	981	if (!req)
826	croak ("out of memory during eio_req allocation");	982	croak ("out of memory during eio_req allocation");
827		983
828	req->callback = SvREFCNT_inc (cb_cv);	984	req->callback = SvREFCNT_inc (cb_cv);
829	req->pri = req_pri;	985	req->pri = req_pri;
…		…
840	SPAGAIN; \	996	SPAGAIN; \
841	\	997	\
842	if (GIMME_V != G_VOID) \	998	if (GIMME_V != G_VOID) \
843	XPUSHs (req_sv (req, aio_req_stash));	999	XPUSHs (req_sv (req, aio_req_stash));
844		1000
		1001	/* wdsv, pathsv, wd and ptr must be 0-initialized */
845	ecb_inline void	1002	ecb_inline
		1003	void
846	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	1004	req_set_path (SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
847	{	1005	{
848	if (expect_false (SvROK (path)))	1006	if (expect_false (SvROK (path)))
849	{	1007	{
850	AV av = (AV )SvRV (path);	1008	SV *rv = SvRV (path);
851	SV *wdob;	1009	SV *wdob;
852		1010
853	if (SvTYPE (av) != SVt_PVAV \|\| AvFILLp (av) != 1)	1011	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
854	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
855
856	path = AvARRAY (av)[1];
857	wdob = AvARRAY (av)[0];
858
859	if (SvOK (wdob))
860	{	1012	{
		1013	path = AvARRAY (rv)[1];
		1014	wdob = AvARRAY (rv)[0];
		1015
		1016	if (SvOK (wdob))
		1017	{
861	*wd = SvAIO_WD (wdob);	1018	*wd = SvAIO_WD (wdob);
862	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));	1019	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		1020	}
		1021	else
		1022	*wd = EIO_INVALID_WD;
		1023	}
		1024	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		1025	{
		1026	*wd = (aio_wd)(long)SvIVX (rv);
		1027	*wdsv = SvREFCNT_inc_NN (rv);
		1028	*ptr = ".";
		1029	return; /* path set to "." */
863	}	1030	}
864	else	1031	else
865	*wd = EIO_INVALID_WD;	1032	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
866	}	1033	}
867		1034
868	*pathsv = newSVsv (path);	1035	*pathsv = newSVsv (path);
869	ptr = SvPVbyte_nolen (pathsv);	1036	ptr = SvPVbyte_nolen (pathsv);
870	}	1037	}
871		1038
872	static void ecb_noinline	1039	ecb_noinline
		1040	static void
873	req_set_path1 (aio_req req, SV *path)	1041	req_set_path1 (aio_req req, SV *path)
874	{	1042	{
875	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1043	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
876	}	1044	}
877		1045
878	static void ecb_noinline	1046	ecb_noinline
		1047	static void
879	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1048	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
880	{	1049	{
881	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1050	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
882		1051
883	switch (SvTYPE (rv))	1052	switch (SvTYPE (rv))
…		…
895	req_set_path1 (req, fh_or_path);	1064	req_set_path1 (req, fh_or_path);
896	break;	1065	break;
897	}	1066	}
898	}	1067	}
899		1068
		1069	/*****************************************************************************/
		1070
		1071	static void
		1072	ts_set (struct timespec *ts, NV value)
		1073	{
		1074	ts->tv_sec = value;
		1075	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1076	}
		1077
		1078	static NV
		1079	ts_get (const struct timespec *ts)
		1080	{
		1081	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1082	}
		1083
		1084	/*****************************************************************************/
		1085
900	XS(boot_IO__AIO) ecb_cold;	1086	XS(boot_IO__AIO) ecb_cold;
901		1087
902	MODULE = IO::AIO PACKAGE = IO::AIO	1088	MODULE = IO::AIO PACKAGE = IO::AIO
903		1089
904	PROTOTYPES: ENABLE	1090	PROTOTYPES: ENABLE
…		…
910	IV iv;	1096	IV iv;
911	} *civ, const_iv[] = {	1097	} *civ, const_iv[] = {
912	# define const_niv(name, value) { # name, (IV) value },	1098	# define const_niv(name, value) { # name, (IV) value },
913	# define const_iv(name) { # name, (IV) name },	1099	# define const_iv(name) { # name, (IV) name },
914	# define const_eio(name) { # name, (IV) EIO_ ## name },	1100	# define const_eio(name) { # name, (IV) EIO_ ## name },
		1101
		1102	/* you have to re-run ./gendef0 after adding/removing any constants here */
		1103	/* the first block can be undef if missing */
		1104	const_iv (ENOSYS)
915	const_iv (EXDEV)	1105	const_iv (EXDEV)
916	const_iv (ENOSYS)	1106	const_iv (EBADR)
		1107
		1108	/* for lseek */
		1109	const_iv (SEEK_DATA)
		1110	const_iv (SEEK_HOLE)
		1111
		1112	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1113	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1114	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1115	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1116	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1117	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1118
		1119	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1120	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1121	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1122	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1123	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1124
		1125	/* the second block will be 0 when missing */
		1126	const_iv (O_ACCMODE)
		1127
917	const_iv (O_RDONLY)	1128	const_iv (O_RDONLY)
918	const_iv (O_WRONLY)	1129	const_iv (O_WRONLY)
919	const_iv (O_RDWR)	1130	const_iv (O_RDWR)
920	const_iv (O_CREAT)	1131	const_iv (O_CREAT)
921	const_iv (O_TRUNC)	1132	const_iv (O_TRUNC)
…		…
934	const_iv (O_SEARCH)	1145	const_iv (O_SEARCH)
935	const_iv (O_DIRECTORY)	1146	const_iv (O_DIRECTORY)
936	const_iv (O_DSYNC)	1147	const_iv (O_DSYNC)
937	const_iv (O_RSYNC)	1148	const_iv (O_RSYNC)
938	const_iv (O_SYNC)	1149	const_iv (O_SYNC)
		1150	const_iv (O_PATH)
		1151	const_iv (O_TMPFILE)
939	const_iv (O_TTY_INIT)	1152	const_iv (O_TTY_INIT)
940		1153
941	const_iv (S_IFIFO)	1154	const_iv (S_IFIFO)
942	const_iv (S_IFCHR)	1155	const_iv (S_IFCHR)
943	const_iv (S_IFBLK)	1156	const_iv (S_IFBLK)
…		…
945	const_iv (S_IFREG)	1158	const_iv (S_IFREG)
946	const_iv (S_IFDIR)	1159	const_iv (S_IFDIR)
947	const_iv (S_IFWHT)	1160	const_iv (S_IFWHT)
948	const_iv (S_IFSOCK)	1161	const_iv (S_IFSOCK)
949	const_iv (S_IFMT)	1162	const_iv (S_IFMT)
950
951	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
952	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
953	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
954	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
955	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
956	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
957
958	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
959	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
960	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
961	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
962	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
963		1163
964	const_iv (ST_RDONLY)	1164	const_iv (ST_RDONLY)
965	const_iv (ST_NOSUID)	1165	const_iv (ST_NOSUID)
966	const_iv (ST_NODEV)	1166	const_iv (ST_NODEV)
967	const_iv (ST_NOEXEC)	1167	const_iv (ST_NOEXEC)
…		…
977	const_iv (PROT_NONE)	1177	const_iv (PROT_NONE)
978	const_iv (PROT_EXEC)	1178	const_iv (PROT_EXEC)
979	const_iv (PROT_READ)	1179	const_iv (PROT_READ)
980	const_iv (PROT_WRITE)	1180	const_iv (PROT_WRITE)
981		1181
982	/const_iv (MAP_FIXED)/
983	const_iv (MAP_PRIVATE)	1182	const_iv (MAP_PRIVATE)
984	const_iv (MAP_SHARED)	1183	const_iv (MAP_SHARED)
		1184	const_iv (MAP_FIXED)
985	const_iv (MAP_ANONYMOUS)	1185	const_iv (MAP_ANONYMOUS)
986		1186
987	/* linuxish */	1187	/* linuxish */
988	const_iv (MAP_HUGETLB)
989	const_iv (MAP_LOCKED)	1188	const_iv (MAP_LOCKED)
990	const_iv (MAP_NORESERVE)	1189	const_iv (MAP_NORESERVE)
991	const_iv (MAP_POPULATE)	1190	const_iv (MAP_POPULATE)
992	const_iv (MAP_NONBLOCK)	1191	const_iv (MAP_NONBLOCK)
		1192	const_iv (MAP_GROWSDOWN)
		1193	const_iv (MAP_32BIT)
		1194	const_iv (MAP_HUGETLB)
		1195	const_iv (MAP_STACK)
		1196
		1197	const_iv (MREMAP_MAYMOVE)
		1198	const_iv (MREMAP_FIXED)
		1199
		1200	const_iv (F_DUPFD_CLOEXEC)
		1201
		1202	const_iv (MSG_CMSG_CLOEXEC)
		1203	const_iv (SOCK_CLOEXEC)
		1204
		1205	const_iv (F_OFD_GETLK)
		1206	const_iv (F_OFD_SETLK)
		1207	const_iv (F_OFD_GETLKW)
		1208
		1209	const_iv (FIFREEZE)
		1210	const_iv (FITHAW)
		1211	const_iv (FITRIM)
		1212	const_iv (FICLONE)
		1213	const_iv (FICLONERANGE)
		1214	const_iv (FIDEDUPERANGE)
		1215
		1216	const_iv (FS_IOC_GETFLAGS)
		1217	const_iv (FS_IOC_SETFLAGS)
		1218	const_iv (FS_IOC_GETVERSION)
		1219	const_iv (FS_IOC_SETVERSION)
		1220	const_iv (FS_IOC_FIEMAP)
		1221	const_iv (FS_IOC_FSGETXATTR)
		1222	const_iv (FS_IOC_FSSETXATTR)
		1223	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1224	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1225	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1226
		1227	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1228
		1229	const_iv (FS_SECRM_FL)
		1230	const_iv (FS_UNRM_FL)
		1231	const_iv (FS_COMPR_FL)
		1232	const_iv (FS_SYNC_FL)
		1233	const_iv (FS_IMMUTABLE_FL)
		1234	const_iv (FS_APPEND_FL)
		1235	const_iv (FS_NODUMP_FL)
		1236	const_iv (FS_NOATIME_FL)
		1237	const_iv (FS_DIRTY_FL)
		1238	const_iv (FS_COMPRBLK_FL)
		1239	const_iv (FS_NOCOMP_FL)
		1240	const_iv (FS_ENCRYPT_FL)
		1241	const_iv (FS_BTREE_FL)
		1242	const_iv (FS_INDEX_FL)
		1243	const_iv (FS_JOURNAL_DATA_FL)
		1244	const_iv (FS_NOTAIL_FL)
		1245	const_iv (FS_DIRSYNC_FL)
		1246	const_iv (FS_TOPDIR_FL)
		1247	const_iv (FS_FL_USER_MODIFIABLE)
		1248
		1249	const_iv (FS_XFLAG_REALTIME)
		1250	const_iv (FS_XFLAG_PREALLOC)
		1251	const_iv (FS_XFLAG_IMMUTABLE)
		1252	const_iv (FS_XFLAG_APPEND)
		1253	const_iv (FS_XFLAG_SYNC)
		1254	const_iv (FS_XFLAG_NOATIME)
		1255	const_iv (FS_XFLAG_NODUMP)
		1256	const_iv (FS_XFLAG_RTINHERIT)
		1257	const_iv (FS_XFLAG_PROJINHERIT)
		1258	const_iv (FS_XFLAG_NOSYMLINKS)
		1259	const_iv (FS_XFLAG_EXTSIZE)
		1260	const_iv (FS_XFLAG_EXTSZINHERIT)
		1261	const_iv (FS_XFLAG_NODEFRAG)
		1262	const_iv (FS_XFLAG_FILESTREAM)
		1263	const_iv (FS_XFLAG_DAX)
		1264	const_iv (FS_XFLAG_HASATTR)
		1265
		1266	const_iv (FIEMAP_FLAG_SYNC)
		1267	const_iv (FIEMAP_FLAG_XATTR)
		1268	const_iv (FIEMAP_FLAGS_COMPAT)
		1269	const_iv (FIEMAP_EXTENT_LAST)
		1270	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1271	const_iv (FIEMAP_EXTENT_DELALLOC)
		1272	const_iv (FIEMAP_EXTENT_ENCODED)
		1273	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1274	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1275	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1276	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1277	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1278	const_iv (FIEMAP_EXTENT_MERGED)
		1279	const_iv (FIEMAP_EXTENT_SHARED)
		1280
		1281	const_iv (SPLICE_F_MOVE)
		1282	const_iv (SPLICE_F_NONBLOCK)
		1283	const_iv (SPLICE_F_MORE)
		1284	const_iv (SPLICE_F_GIFT)
		1285
		1286	const_iv (EFD_CLOEXEC)
		1287	const_iv (EFD_NONBLOCK)
		1288	const_iv (EFD_SEMAPHORE)
		1289
		1290	const_iv (MFD_CLOEXEC)
		1291	const_iv (MFD_ALLOW_SEALING)
		1292	const_iv (MFD_HUGETLB)
		1293
		1294	const_iv (CLOCK_REALTIME)
		1295	const_iv (CLOCK_MONOTONIC)
		1296	const_iv (CLOCK_BOOTTIME)
		1297	const_iv (CLOCK_REALTIME_ALARM)
		1298	const_iv (CLOCK_BOOTTIME_ALARM)
		1299
		1300	const_iv (TFD_NONBLOCK)
		1301	const_iv (TFD_CLOEXEC)
		1302
		1303	const_iv (TFD_TIMER_ABSTIME)
		1304	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1305
		1306	const_iv (STATX_TYPE)
		1307	const_iv (STATX_MODE)
		1308	const_iv (STATX_NLINK)
		1309	const_iv (STATX_UID)
		1310	const_iv (STATX_GID)
		1311	const_iv (STATX_ATIME)
		1312	const_iv (STATX_MTIME)
		1313	const_iv (STATX_CTIME)
		1314	const_iv (STATX_INO)
		1315	const_iv (STATX_SIZE)
		1316	const_iv (STATX_BLOCKS)
		1317	const_iv (STATX_BASIC_STATS)
		1318	const_iv (STATX_ALL)
		1319	const_iv (STATX_BTIME)
		1320	const_iv (STATX_ATTR_COMPRESSED)
		1321	const_iv (STATX_ATTR_IMMUTABLE)
		1322	const_iv (STATX_ATTR_APPEND)
		1323	const_iv (STATX_ATTR_NODUMP)
		1324	const_iv (STATX_ATTR_ENCRYPTED)
		1325	const_iv (STATX_ATTR_AUTOMOUNT)
		1326
		1327	/* these are libeio constants, and are independent of gendef0 */
		1328	const_eio (SEEK_SET)
		1329	const_eio (SEEK_CUR)
		1330	const_eio (SEEK_END)
993		1331
994	const_eio (MCL_FUTURE)	1332	const_eio (MCL_FUTURE)
995	const_eio (MCL_CURRENT)	1333	const_eio (MCL_CURRENT)
		1334	const_eio (MCL_ONFAULT)
996		1335
997	const_eio (MS_ASYNC)	1336	const_eio (MS_ASYNC)
998	const_eio (MS_INVALIDATE)	1337	const_eio (MS_INVALIDATE)
999	const_eio (MS_SYNC)	1338	const_eio (MS_SYNC)
1000		1339
…		…
1003	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1342	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1004	const_eio (SYNC_FILE_RANGE_WRITE)	1343	const_eio (SYNC_FILE_RANGE_WRITE)
1005	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1344	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1006		1345
1007	const_eio (FALLOC_FL_KEEP_SIZE)	1346	const_eio (FALLOC_FL_KEEP_SIZE)
		1347	const_eio (FALLOC_FL_PUNCH_HOLE)
		1348	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1349	const_eio (FALLOC_FL_ZERO_RANGE)
		1350	const_eio (FALLOC_FL_INSERT_RANGE)
		1351	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1352
		1353	const_eio (RENAME_NOREPLACE)
		1354	const_eio (RENAME_EXCHANGE)
		1355	const_eio (RENAME_WHITEOUT)
1008		1356
1009	const_eio (READDIR_DENTS)	1357	const_eio (READDIR_DENTS)
1010	const_eio (READDIR_DIRS_FIRST)	1358	const_eio (READDIR_DIRS_FIRST)
1011	const_eio (READDIR_STAT_ORDER)	1359	const_eio (READDIR_STAT_ORDER)
1012	const_eio (READDIR_FOUND_UNKNOWN)	1360	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1030	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1378	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1031	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1379	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1032		1380
1033	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1381	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1034		1382
		1383	/* allocate dummy pipe fd for aio_close */
		1384	{
		1385	int pipefd [2];
		1386
		1387	if (
		1388	#ifdef _WIN32
		1389	_pipe (pipefd, 1, _O_BINARY) < 0
		1390	#else
		1391	pipe (pipefd) < 0
		1392	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1393	#endif
		1394	\|\| close (pipefd [1]) < 0
		1395	)
		1396	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1397
		1398	close_fd = pipefd [0];
		1399	}
		1400
1035	reinit ();	1401	reinit ();
1036	}	1402	}
1037		1403
1038	void	1404	void
1039	reinit ()	1405	reinit ()
…		…
1080	PROTOTYPE: $	1446	PROTOTYPE: $
1081	CODE:	1447	CODE:
1082	max_outstanding = maxreqs;	1448	max_outstanding = maxreqs;
1083		1449
1084	void	1450	void
1085	aio_wd (SV8 pathname, SV callback=&PL_sv_undef)	1451	aio_wd (SV8 pathname, SV callback = &PL_sv_undef)
1086	PPCODE:	1452	PPCODE:
1087	{	1453	{
1088	dREQ;	1454	dREQ;
1089		1455
1090	req->type = EIO_WD_OPEN;	1456	req->type = EIO_WD_OPEN;
…		…
1092		1458
1093	REQ_SEND;	1459	REQ_SEND;
1094	}	1460	}
1095		1461
1096	void	1462	void
1097	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	1463	aio_open (SV8 pathname, int flags, int mode, SV callback = &PL_sv_undef)
1098	PPCODE:	1464	PPCODE:
1099	{	1465	{
1100	dREQ;	1466	dREQ;
1101		1467
1102	req->type = EIO_OPEN;	1468	req->type = EIO_OPEN;
…		…
1106		1472
1107	REQ_SEND;	1473	REQ_SEND;
1108	}	1474	}
1109		1475
1110	void	1476	void
1111	aio_fsync (SV fh, SV callback=&PL_sv_undef)	1477	aio_fsync (SV fh, SV callback = &PL_sv_undef)
1112	ALIAS:	1478	ALIAS:
1113	aio_fsync = EIO_FSYNC	1479	aio_fsync = EIO_FSYNC
1114	aio_fdatasync = EIO_FDATASYNC	1480	aio_fdatasync = EIO_FDATASYNC
1115	aio_syncfs = EIO_SYNCFS	1481	aio_syncfs = EIO_SYNCFS
1116	PPCODE:	1482	PPCODE:
1117	{	1483	{
1118	int fd = s_fileno_croak (fh, 0);	1484	int fd = s_fileno_croak (fh, 0);
1119	dREQ;	1485	dREQ;
1120		1486
1121	req->type = ix;	1487	req->type = ix;
1122	req->sv1 = newSVsv (fh);	1488	req->sv1 = newSVsv (fh);
1123	req->int1 = fd;	1489	req->int1 = fd;
1124		1490
1125	REQ_SEND (req);	1491	REQ_SEND;
1126	}	1492	}
1127		1493
1128	void	1494	void
1129	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1495	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback = &PL_sv_undef)
1130	PPCODE:	1496	PPCODE:
1131	{	1497	{
1132	int fd = s_fileno_croak (fh, 0);	1498	int fd = s_fileno_croak (fh, 0);
1133	dREQ;	1499	dREQ;
1134		1500
1135	req->type = EIO_SYNC_FILE_RANGE;	1501	req->type = EIO_SYNC_FILE_RANGE;
1136	req->sv1 = newSVsv (fh);	1502	req->sv1 = newSVsv (fh);
1137	req->int1 = fd;	1503	req->int1 = fd;
1138	req->offs = offset;	1504	req->offs = offset;
1139	req->size = nbytes;	1505	req->size = nbytes;
1140	req->int2 = flags;	1506	req->int2 = flags;
1141		1507
1142	REQ_SEND (req);	1508	REQ_SEND;
1143	}	1509	}
1144		1510
1145	void	1511	void
1146	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1512	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback = &PL_sv_undef)
1147	PPCODE:	1513	PPCODE:
1148	{	1514	{
1149	int fd = s_fileno_croak (fh, 0);	1515	int fd = s_fileno_croak (fh, 0);
1150	dREQ;	1516	dREQ;
1151		1517
1152	req->type = EIO_FALLOCATE;	1518	req->type = EIO_FALLOCATE;
1153	req->sv1 = newSVsv (fh);	1519	req->sv1 = newSVsv (fh);
1154	req->int1 = fd;	1520	req->int1 = fd;
1155	req->int2 = mode;	1521	req->int2 = mode;
1156	req->offs = offset;	1522	req->offs = offset;
1157	req->size = len;	1523	req->size = len;
1158		1524
1159	REQ_SEND (req);	1525	REQ_SEND;
1160	}	1526	}
1161		1527
1162	void	1528	void
1163	aio_close (SV fh, SV callback=&PL_sv_undef)	1529	aio_close (SV fh, SV callback = &PL_sv_undef)
1164	PPCODE:	1530	PPCODE:
1165	{	1531	{
1166	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1167	int fd = s_fileno_croak (fh, 0);	1532	int fd = s_fileno_croak (fh, 0);
1168	dREQ;	1533	dREQ;
		1534	#if 0
		1535	/* partially duplicate logic in s_fileno */
		1536	SvGETMAGIC (fh);
1169		1537
1170	if (expect_false (close_fd < 0))	1538	if (SvROK (fh))
		1539	{
		1540	fh = SvRV (fh);
		1541	SvGETMAGIC (fh);
		1542	}
		1543
		1544	if (SvTYPE (fh) == SVt_PVGV)
1171	{	1545	{
1172	int pipefd [2];	1546	/* perl filehandle */
		1547	PerlIOUnix_refcnt_inc (fd);
		1548	do_close ((GV *)fh, 1);
1173		1549
1174	if (	1550	req->type = EIO_CLOSE;
1175	#ifdef _WIN32	1551	req->int1 = fd;
1176	_pipe (pipefd, 1, _O_BINARY) < 0	1552	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
1177	#else
1178	pipe (pipefd) < 0
1179	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1180	#endif
1181	\|\| close (pipefd [1]) < 0
1182	)
1183	abort (); /D/
1184
1185	close_fd = pipefd [0];
1186	}	1553	}
1187		1554	else
		1555	#endif
		1556	{
		1557	/* fd number */
1188	req->type = EIO_DUP2;	1558	req->type = EIO_DUP2;
1189	req->int1 = close_fd;	1559	req->int1 = close_fd;
		1560	req->sv2 = newSVsv (fh);
		1561	req->int2 = fd;
		1562	}
		1563
		1564	REQ_SEND;
		1565	}
		1566
		1567	void
		1568	aio_seek (SV fh, SV offset, int whence, SV *callback = &PL_sv_undef)
		1569	PPCODE:
		1570	{
		1571	int fd = s_fileno_croak (fh, 0);
		1572	dREQ;
		1573
		1574	req->type = EIO_SEEK;
1190	req->sv2 = newSVsv (fh);	1575	req->sv1 = newSVsv (fh);
1191	req->int2 = fd;	1576	req->int1 = fd;
		1577	req->offs = SvVAL64 (offset);
		1578	req->int2 = whence;
1192		1579
1193	REQ_SEND (req);	1580	REQ_SEND;
1194	}	1581	}
1195		1582
1196	void	1583	void
1197	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1584	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback = &PL_sv_undef)
1198	ALIAS:	1585	ALIAS:
1199	aio_read = EIO_READ	1586	aio_read = EIO_READ
1200	aio_write = EIO_WRITE	1587	aio_write = EIO_WRITE
1201	PPCODE:	1588	PPCODE:
1202	{	1589	{
…		…
1218	len = svlen - dataoffset;	1605	len = svlen - dataoffset;
1219	}	1606	}
1220	else	1607	else
1221	{	1608	{
1222	/* read: check type and grow scalar as necessary */	1609	/* read: check type and grow scalar as necessary */
1223	SvUPGRADE (data, SVt_PV);	1610	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1224	svptr = SvGROW (data, len + dataoffset + 1);	1611	svptr = sv_grow (data, len + dataoffset + 1);
		1612	else if (SvCUR (data) < len + dataoffset)
		1613	croak ("length + dataoffset outside of scalar, and cannot grow");
1225	}	1614	}
1226		1615
1227	{	1616	{
1228	dREQ;	1617	dREQ;
1229		1618
…		…
1245	REQ_SEND;	1634	REQ_SEND;
1246	}	1635	}
1247	}	1636	}
1248		1637
1249	void	1638	void
		1639	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1640	ALIAS:
		1641	aio_ioctl = EIO_IOCTL
		1642	aio_fcntl = EIO_FCNTL
		1643	PPCODE:
		1644	{
		1645	int fd = s_fileno_croak (fh, 0);
		1646	char *svptr;
		1647
		1648	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1649	{
		1650	STRLEN svlen;
		1651	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1652	#ifdef IOCPARM_LEN
		1653	STRLEN need = IOCPARM_LEN (request);
		1654	#else
		1655	STRLEN need = 256;
		1656	#endif
		1657
		1658	if (svlen < need)
		1659	svptr = SvGROW (arg, need);
		1660	}
		1661	else
		1662	svptr = (char *)SvIV (arg);
		1663
		1664	{
		1665	dREQ;
		1666
		1667	req->type = ix;
		1668	req->sv1 = newSVsv (fh);
		1669	req->int1 = fd;
		1670	req->int2 = (long)request;
		1671	req->sv2 = SvREFCNT_inc (arg);
		1672	req->ptr2 = svptr;
		1673
		1674	REQ_SEND;
		1675	}
		1676	}
		1677
		1678	void
1250	aio_readlink (SV8 pathname, SV callback=&PL_sv_undef)	1679	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1251	ALIAS:	1680	ALIAS:
1252	aio_readlink = EIO_READLINK	1681	aio_readlink = EIO_READLINK
1253	aio_realpath = EIO_REALPATH	1682	aio_realpath = EIO_REALPATH
1254	PPCODE:	1683	PPCODE:
1255	{	1684	{
…		…
1260		1689
1261	REQ_SEND;	1690	REQ_SEND;
1262	}	1691	}
1263		1692
1264	void	1693	void
1265	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1694	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1266	PPCODE:	1695	PPCODE:
1267	{	1696	{
1268	int ifd = s_fileno_croak (in_fh , 0);	1697	int ifd = s_fileno_croak (in_fh , 0);
1269	int ofd = s_fileno_croak (out_fh, 1);	1698	int ofd = s_fileno_croak (out_fh, 1);
1270	dREQ;	1699	dREQ;
1271		1700
1272	req->type = EIO_SENDFILE;	1701	req->type = EIO_SENDFILE;
1273	req->sv1 = newSVsv (out_fh);	1702	req->sv1 = newSVsv (out_fh);
1274	req->int1 = ofd;	1703	req->int1 = ofd;
…		…
1279		1708
1280	REQ_SEND;	1709	REQ_SEND;
1281	}	1710	}
1282		1711
1283	void	1712	void
1284	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1713	aio_readahead (SV fh, off_t offset, size_t length, SV callback = &PL_sv_undef)
1285	PPCODE:	1714	PPCODE:
1286	{	1715	{
1287	int fd = s_fileno_croak (fh, 0);	1716	int fd = s_fileno_croak (fh, 0);
1288	dREQ;	1717	dREQ;
1289		1718
1290	req->type = EIO_READAHEAD;	1719	req->type = EIO_READAHEAD;
1291	req->sv1 = newSVsv (fh);	1720	req->sv1 = newSVsv (fh);
1292	req->int1 = fd;	1721	req->int1 = fd;
…		…
1295		1724
1296	REQ_SEND;	1725	REQ_SEND;
1297	}	1726	}
1298		1727
1299	void	1728	void
1300	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1729	aio_stat (SV8 fh_or_path, SV callback = &PL_sv_undef)
1301	ALIAS:	1730	ALIAS:
1302	aio_stat = EIO_STAT	1731	aio_stat = EIO_STAT
1303	aio_lstat = EIO_LSTAT	1732	aio_lstat = EIO_LSTAT
1304	aio_statvfs = EIO_STATVFS	1733	aio_statvfs = EIO_STATVFS
1305	PPCODE:	1734	PPCODE:
…		…
1309	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1738	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1310		1739
1311	REQ_SEND;	1740	REQ_SEND;
1312	}	1741	}
1313		1742
		1743	void
		1744	st_xtime ()
		1745	ALIAS:
		1746	st_atime = 0x01
		1747	st_mtime = 0x02
		1748	st_ctime = 0x04
		1749	st_btime = 0x08
		1750	st_xtime = 0x0f
		1751	PPCODE:
		1752	EXTEND (SP, 4);
		1753	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1754	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1755	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1756	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1757
		1758	void
		1759	st_xtimensec ()
		1760	ALIAS:
		1761	st_atimensec = 0x01
		1762	st_mtimensec = 0x02
		1763	st_ctimensec = 0x04
		1764	st_btimensec = 0x08
		1765	st_xtimensec = 0x0f
		1766	st_btimesec = 0x10
		1767	st_gen = 0x20
		1768	PPCODE:
		1769	EXTEND (SP, 4);
		1770	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1771	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1772	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1773	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1774	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1775	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1776
1314	UV	1777	UV
1315	major (UV dev)	1778	major (UV dev)
1316	ALIAS:	1779	ALIAS:
1317	minor = 1	1780	minor = 1
1318	CODE:	1781	CODE:
1319	RETVAL = ix ? major (dev) : minor (dev);	1782	RETVAL = ix ? minor (dev) : major (dev);
1320	OUTPUT:	1783	OUTPUT:
1321	RETVAL	1784	RETVAL
1322		1785
1323	UV	1786	UV
1324	makedev (UV maj, UV min)	1787	makedev (UV maj, UV min)
…		…
1326	RETVAL = makedev (maj, min);	1789	RETVAL = makedev (maj, min);
1327	OUTPUT:	1790	OUTPUT:
1328	RETVAL	1791	RETVAL
1329		1792
1330	void	1793	void
1331	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1794	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback = &PL_sv_undef)
1332	PPCODE:	1795	PPCODE:
1333	{	1796	{
1334	dREQ;	1797	dREQ;
1335		1798
1336	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1799	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1339		1802
1340	REQ_SEND;	1803	REQ_SEND;
1341	}	1804	}
1342		1805
1343	void	1806	void
1344	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)	1807	aio_truncate (SV8 fh_or_path, SV offset, SV *callback = &PL_sv_undef)
1345	PPCODE:	1808	PPCODE:
1346	{	1809	{
1347	dREQ;	1810	dREQ;
1348		1811
1349	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1812	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1351		1814
1352	REQ_SEND;	1815	REQ_SEND;
1353	}	1816	}
1354		1817
1355	void	1818	void
1356	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1819	aio_chmod (SV8 fh_or_path, int mode, SV callback = &PL_sv_undef)
1357	PPCODE:	1820	PPCODE:
1358	{	1821	{
1359	dREQ;	1822	dREQ;
1360		1823
1361	req->int2 = mode;	1824	req->int2 = mode;
…		…
1363		1826
1364	REQ_SEND;	1827	REQ_SEND;
1365	}	1828	}
1366		1829
1367	void	1830	void
1368	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)	1831	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback = &PL_sv_undef)
1369	PPCODE:	1832	PPCODE:
1370	{	1833	{
1371	dREQ;	1834	dREQ;
1372		1835
1373	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1836	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1376		1839
1377	REQ_SEND;	1840	REQ_SEND;
1378	}	1841	}
1379		1842
1380	void	1843	void
1381	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)	1844	aio_readdirx (SV8 pathname, IV flags, SV callback = &PL_sv_undef)
1382	PPCODE:	1845	PPCODE:
1383	{	1846	{
1384	dREQ;	1847	dREQ;
1385		1848
1386	req->type = EIO_READDIR;	1849	req->type = EIO_READDIR;
…		…
1393		1856
1394	REQ_SEND;	1857	REQ_SEND;
1395	}	1858	}
1396		1859
1397	void	1860	void
1398	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)	1861	aio_mkdir (SV8 pathname, int mode, SV callback = &PL_sv_undef)
1399	PPCODE:	1862	PPCODE:
1400	{	1863	{
1401	dREQ;	1864	dREQ;
1402		1865
1403	req->type = EIO_MKDIR;	1866	req->type = EIO_MKDIR;
…		…
1406		1869
1407	REQ_SEND;	1870	REQ_SEND;
1408	}	1871	}
1409		1872
1410	void	1873	void
1411	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1874	aio_unlink (SV8 pathname, SV callback = &PL_sv_undef)
1412	ALIAS:	1875	ALIAS:
1413	aio_unlink = EIO_UNLINK	1876	aio_unlink = EIO_UNLINK
1414	aio_rmdir = EIO_RMDIR	1877	aio_rmdir = EIO_RMDIR
1415	aio_readdir = EIO_READDIR	1878	aio_readdir = EIO_READDIR
1416	PPCODE:	1879	PPCODE:
…		…
1422		1885
1423	REQ_SEND;	1886	REQ_SEND;
1424	}	1887	}
1425		1888
1426	void	1889	void
1427	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)	1890	aio_link (SV8 oldpath, SV8 newpath, SV *callback = &PL_sv_undef)
1428	ALIAS:	1891	ALIAS:
1429	aio_link = EIO_LINK	1892	aio_link = EIO_LINK
1430	aio_symlink = EIO_SYMLINK	1893	aio_symlink = EIO_SYMLINK
1431	aio_rename = EIO_RENAME	1894	aio_rename = EIO_RENAME
1432	PPCODE:	1895	PPCODE:
1433	{	1896	{
		1897	eio_wd wd2 = 0;
1434	dREQ;	1898	dREQ;
1435	eio_wd wd2 = 0;
1436		1899
1437	req->type = ix;	1900	req->type = ix;
1438	req_set_path1 (req, oldpath);	1901	req_set_path1 (req, oldpath);
1439	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1902	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1440	req->int3 = (long)wd2;	1903	req->int3 = (long)wd2;
1441		1904
1442	REQ_SEND;	1905	REQ_SEND;
1443	}	1906	}
1444		1907
1445	void	1908	void
		1909	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1910	PPCODE:
		1911	{
		1912	eio_wd wd2 = 0;
		1913	dREQ;
		1914
		1915	req->type = EIO_RENAME;
		1916	req_set_path1 (req, oldpath);
		1917	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1918	req->int2 = flags;
		1919	req->int3 = (long)wd2;
		1920
		1921	REQ_SEND;
		1922	}
		1923
		1924	void
1446	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)	1925	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1447	PPCODE:	1926	PPCODE:
1448	{	1927	{
1449	dREQ;	1928	dREQ;
1450		1929
1451	req->type = EIO_MKNOD;	1930	req->type = EIO_MKNOD;
…		…
1455		1934
1456	REQ_SEND;	1935	REQ_SEND;
1457	}	1936	}
1458		1937
1459	void	1938	void
1460	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1939	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1461	ALIAS:	1940	ALIAS:
1462	aio_mtouch = EIO_MTOUCH	1941	aio_mtouch = EIO_MTOUCH
1463	aio_msync = EIO_MSYNC	1942	aio_msync = EIO_MSYNC
1464	PPCODE:	1943	PPCODE:
1465	{	1944	{
1466	STRLEN svlen;	1945	STRLEN svlen;
1467	char *svptr = SvPVbyte (data, svlen);	1946	char *svptr = SvPVbyte (data, svlen);
1468	UV len = SvUV (length);	1947	UV len = SvUV (length);
		1948
		1949	if (flags < 0)
		1950	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1469		1951
1470	if (offset < 0)	1952	if (offset < 0)
1471	offset += svlen;	1953	offset += svlen;
1472		1954
1473	if (offset < 0 \|\| offset > svlen)	1955	if (offset < 0 \|\| offset > svlen)
…		…
1488	REQ_SEND;	1970	REQ_SEND;
1489	}	1971	}
1490	}	1972	}
1491		1973
1492	void	1974	void
1493	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1975	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1494	PPCODE:	1976	PPCODE:
1495	{	1977	{
1496	STRLEN svlen;	1978	STRLEN svlen;
1497	char *svptr = SvPVbyte (data, svlen);	1979	char *svptr = SvPVbyte (data, svlen);
1498	UV len = SvUV (length);	1980	UV len = SvUV (length);
…		…
1517	REQ_SEND;	1999	REQ_SEND;
1518	}	2000	}
1519	}	2001	}
1520		2002
1521	void	2003	void
1522	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2004	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1523	PPCODE:	2005	PPCODE:
1524	{	2006	{
1525	dREQ;	2007	dREQ;
1526		2008
1527	req->type = EIO_MLOCKALL;	2009	req->type = EIO_MLOCKALL;
…		…
1529		2011
1530	REQ_SEND;	2012	REQ_SEND;
1531	}	2013	}
1532		2014
1533	void	2015	void
		2016	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback = &PL_sv_undef)
		2017	PPCODE:
		2018	{
		2019	int fd = s_fileno_croak (fh, 0);
		2020	dREQ;
		2021
		2022	req->type = EIO_CUSTOM;
		2023	req->sv1 = newSVsv (fh);
		2024	req->int1 = fd;
		2025
		2026	req->feed = fiemap;
		2027	#if HAVE_FIEMAP
		2028	/* keep our fingers crossed that the next two types are 64 bit */
		2029	req->offs = start;
		2030	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		2031	req->int2 = flags;
		2032	req->int3 = SvOK (count) ? SvIV (count) : -1;
		2033	#endif
		2034
		2035	REQ_SEND;
		2036	}
		2037
		2038	void
		2039	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		2040	PPCODE:
		2041	{
		2042	char *svptr = 0;
		2043
		2044	sv_clear_foreign (data);
		2045
		2046	if (length) /* known length, directly read into scalar */
		2047	{
		2048	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		2049	svptr = sv_grow (data, length + 1);
		2050	else if (SvCUR (data) < length)
		2051	croak ("length outside of scalar, and cannot grow");
		2052	else
		2053	svptr = SvPVbyte_nolen (data);
		2054	}
		2055
		2056	{
		2057	dREQ;
		2058
		2059	req->type = EIO_SLURP;
		2060	req_set_path1 (req, pathname);
		2061	req->offs = offset;
		2062	req->size = length;
		2063	req->sv2 = SvREFCNT_inc (data);
		2064	req->ptr2 = svptr;
		2065
		2066	if (!SvREADONLY (data))
		2067	{
		2068	SvREADONLY_on (data);
		2069	req->flags \|= FLAG_SV2_RO_OFF;
		2070	}
		2071
		2072	REQ_SEND;
		2073	}
		2074	}
		2075
		2076	void
1534	aio_busy (double delay, SV *callback=&PL_sv_undef)	2077	aio_busy (double delay, SV *callback = &PL_sv_undef)
1535	PPCODE:	2078	PPCODE:
1536	{	2079	{
1537	dREQ;	2080	dREQ;
1538		2081
1539	req->type = EIO_BUSY;	2082	req->type = EIO_BUSY;
…		…
1541		2084
1542	REQ_SEND;	2085	REQ_SEND;
1543	}	2086	}
1544		2087
1545	void	2088	void
1546	aio_group (SV *callback=&PL_sv_undef)	2089	aio_group (SV *callback = &PL_sv_undef)
1547	PPCODE:	2090	PPCODE:
1548	{	2091	{
1549	dREQ;	2092	dREQ;
1550		2093
1551	req->type = EIO_GROUP;	2094	req->type = EIO_GROUP;
1552		2095
		2096	PUTBACK;
1553	req_submit (req);	2097	req_submit (req);
		2098	SPAGAIN;
		2099
1554	XPUSHs (req_sv (req, aio_grp_stash));	2100	XPUSHs (req_sv (req, aio_grp_stash));
1555	}	2101	}
1556		2102
1557	void	2103	void
1558	aio_nop (SV *callback=&PL_sv_undef)	2104	aio_nop (SV *callback = &PL_sv_undef)
1559	ALIAS:	2105	ALIAS:
1560	aio_nop = EIO_NOP	2106	aio_nop = EIO_NOP
1561	aio_sync = EIO_SYNC	2107	aio_sync = EIO_SYNC
1562	PPCODE:	2108	PPCODE:
1563	{	2109	{
…		…
1567		2113
1568	REQ_SEND;	2114	REQ_SEND;
1569	}	2115	}
1570		2116
1571	int	2117	int
1572	aioreq_pri (int pri = 0)	2118	aioreq_pri (int pri = NO_INIT)
1573	CODE:	2119	CODE:
1574	RETVAL = next_pri;	2120	RETVAL = next_pri;
1575	if (items > 0)	2121	if (items > 0)
1576	{	2122	{
1577	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2123	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1667	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2213	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1668	OUTPUT:	2214	OUTPUT:
1669	RETVAL	2215	RETVAL
1670		2216
1671	void	2217	void
1672	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	2218	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1673	PPCODE:	2219	PPCODE:
1674	sv_unmagic (scalar, MMAP_MAGIC);	2220	sv_clear_foreign (scalar);
1675	{	2221	{
1676	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2222	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1677	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2223	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1678	if (addr == (void *)-1)	2224	if (addr == (void *)-1)
1679	XSRETURN_NO;	2225	XSRETURN_NO;
1680		2226
1681	sv_force_normal (scalar);	2227	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1682
1683	/* we store the length in mg_obj, as namlen is I32 :/ */
1684	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1685	->mg_obj = (SV *)length;
1686
1687	SvUPGRADE (scalar, SVt_PV); /* nop... */
1688		2228
1689	if (!(prot & PROT_WRITE))	2229	if (!(prot & PROT_WRITE))
1690	SvREADONLY_on (scalar);	2230	SvREADONLY_on (scalar);
1691		2231
1692	if (SvLEN (scalar))
1693	Safefree (SvPVX (scalar));
1694
1695	SvPVX (scalar) = (char *)addr;
1696	SvCUR_set (scalar, length);
1697	SvLEN_set (scalar, 0);
1698	SvPOK_only (scalar);
1699
1700	XSRETURN_YES;	2232	XSRETURN_YES;
1701	}	2233	}
1702		2234
1703	void	2235	void
1704	munmap (SV *scalar)	2236	munmap (SV *scalar)
1705	CODE:	2237	CODE:
1706	sv_unmagic (scalar, MMAP_MAGIC);	2238	sv_clear_foreign (scalar);
		2239
		2240	SV *
		2241	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2242	CODE:
		2243	{
		2244	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2245	void *new;
		2246
		2247	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2248	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2249
		2250	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2251
		2252	RETVAL = &PL_sv_no;
		2253
		2254	if (new != (void *)-1)
		2255	{
		2256	RETVAL = new == (void *)mg->mg_ptr
		2257	? newSVpvn ("0 but true", 10)
		2258	: &PL_sv_yes;
		2259
		2260	mg->mg_ptr = (char *)new;
		2261	mg->mg_obj = (SV *)new_length;
		2262
		2263	SvPVX (scalar) = mg->mg_ptr;
		2264	SvCUR_set (scalar, new_length);
		2265	}
		2266	}
		2267	OUTPUT:
		2268	RETVAL
1707		2269
1708	int	2270	int
1709	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2271	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1710	ALIAS:	2272	ALIAS:
1711	mprotect = 1	2273	mprotect = 1
1712	CODE:	2274	CODE:
1713	{	2275	{
1714	STRLEN svlen;	2276	STRLEN svlen;
1715	void *addr = SvPVbyte (scalar, svlen);	2277	void *addr = SvPVbyte (scalar, svlen);
1716	size_t len = SvUV (length);	2278	STRLEN len = SvUV (length);
1717		2279
1718	if (offset < 0)	2280	if (offset < 0)
1719	offset += svlen;	2281	offset += svlen;
1720		2282
1721	if (offset < 0 \|\| offset > svlen)	2283	if (offset < 0 \|\| offset > svlen)
…		…
1735	}	2297	}
1736	OUTPUT:	2298	OUTPUT:
1737	RETVAL	2299	RETVAL
1738		2300
1739	int	2301	int
1740	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)	2302	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1741	CODE:	2303	CODE:
1742	{	2304	{
1743	STRLEN svlen;	2305	STRLEN svlen;
1744	void *addr = SvPVbyte (scalar, svlen);	2306	void *addr = SvPVbyte (scalar, svlen);
1745	size_t len = SvUV (length);	2307	size_t len = SvUV (length);
1746		2308
1747	if (offset < 0)	2309	if (offset < 0)
1748	offset += svlen;	2310	offset += svlen;
1749		2311
…		…
1756	addr = (void *)(((intptr_t)addr) + offset);	2318	addr = (void *)(((intptr_t)addr) + offset);
1757	eio_page_align (&addr, &len);	2319	eio_page_align (&addr, &len);
1758	#if _POSIX_MEMLOCK_RANGE	2320	#if _POSIX_MEMLOCK_RANGE
1759	RETVAL = munlock (addr, len);	2321	RETVAL = munlock (addr, len);
1760	#else	2322	#else
1761	RETVAL = ((errno = ENOSYS), -1);	2323	RETVAL = EIO_ENOSYS ();
1762	#endif	2324	#endif
1763	}	2325	}
1764	OUTPUT:	2326	OUTPUT:
		2327	RETVAL
		2328
		2329	int
		2330	mlockall (int flags)
		2331	PROTOTYPE: $;
		2332	CODE:
		2333	RETVAL = eio_mlockall_sync (flags);
		2334	OUTPUT:
1765	RETVAL	2335	RETVAL
1766		2336
1767	int	2337	int
1768	munlockall ()	2338	munlockall ()
1769	CODE:	2339	CODE:
1770	#if _POSIX_MEMLOCK	2340	#if _POSIX_MEMLOCK
1771	munlockall ();	2341	munlockall ();
1772	#else	2342	#else
1773	RETVAL = -1;	2343	RETVAL = EIO_ENOSYS ();
1774	errno = ENOSYS;
1775	#endif	2344	#endif
1776	OUTPUT:	2345	OUTPUT:
1777	RETVAL	2346	RETVAL
		2347
		2348	int
		2349	statx (SV8 *pathname, int flags, UV mask)
		2350	CODE:
		2351	{
		2352	/* undocumented, and might go away, and anyway, should use eio_statx */
		2353	SV *wdsv = 0;
		2354	SV *pathsv = 0;
		2355	eio_wd wd = EIO_CWD;
		2356	void *ptr;
		2357	int res;
		2358
		2359	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2360	RETVAL = eio__statx (!wd \|\| wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2361
		2362	SvREFCNT_dec (pathsv);
		2363	SvREFCNT_dec (wdsv);
		2364	}
		2365	OUTPUT:
		2366	RETVAL
		2367
		2368	U32
		2369	stx_mode ()
		2370	PROTOTYPE:
		2371	CODE:
		2372	#if HAVE_STATX
		2373	RETVAL = stx.stx_mode;
		2374	#else
		2375	XSRETURN_UNDEF;
		2376	#endif
		2377	OUTPUT:
		2378	RETVAL
		2379
		2380	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2381	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2382	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2383	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2384	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2385	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2386	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2387	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2388	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2389	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2390	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2391	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2392	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2393	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2394	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2395	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2396	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2397	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2398
		2399	U32
		2400	stx_mask ()
		2401	PROTOTYPE:
		2402	ALIAS:
		2403	stx_mask = STATX_OFFSET_mask
		2404	stx_blksize = STATX_OFFSET_blksize
		2405	stx_nlink = STATX_OFFSET_nlink
		2406	stx_uid = STATX_OFFSET_uid
		2407	stx_gid = STATX_OFFSET_gid
		2408	stx_rdev_major = STATX_OFFSET_rdev_major
		2409	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2410	stx_dev_major = STATX_OFFSET_dev_major
		2411	stx_dev_minor = STATX_OFFSET_dev_minor
		2412	CODE:
		2413	#if HAVE_STATX
		2414	RETVAL = (__u32 )((char *)&stx + ix);
		2415	#else
		2416	XSRETURN_UNDEF;
		2417	#endif
		2418	OUTPUT:
		2419	RETVAL
		2420
		2421	VAL64
		2422	stx_attributes ()
		2423	PROTOTYPE:
		2424	ALIAS:
		2425	stx_attributes = STATX_OFFSET_attributes
		2426	stx_ino = STATX_OFFSET_ino
		2427	stx_size = STATX_OFFSET_size
		2428	stx_blocks = STATX_OFFSET_blocks
		2429	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2430	CODE:
		2431	#if HAVE_STATX
		2432	RETVAL = (__u64 )((char *)&stx + ix);
		2433	#else
		2434	XSRETURN_UNDEF;
		2435	#endif
		2436	OUTPUT:
		2437	RETVAL
		2438
		2439	NV
		2440	stx_atime ()
		2441	PROTOTYPE:
		2442	ALIAS:
		2443	stx_atime = STATX_OFFSET_atime
		2444	stx_btime = STATX_OFFSET_btime
		2445	stx_ctime = STATX_OFFSET_ctime
		2446	stx_mtime = STATX_OFFSET_mtime
		2447	CODE:
		2448	#if HAVE_STATX
		2449	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2450	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2451	#else
		2452	XSRETURN_UNDEF;
		2453	#endif
		2454	OUTPUT:
		2455	RETVAL
		2456
		2457	VAL64
		2458	stx_atimesec ()
		2459	PROTOTYPE:
		2460	ALIAS:
		2461	stx_atimesec = STATX_OFFSET_atime
		2462	stx_btimesec = STATX_OFFSET_btime
		2463	stx_ctimesec = STATX_OFFSET_ctime
		2464	stx_mtimesec = STATX_OFFSET_mtime
		2465	CODE:
		2466	#if HAVE_STATX
		2467	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2468	RETVAL = ts->tv_sec;
		2469	#else
		2470	XSRETURN_UNDEF;
		2471	#endif
		2472	OUTPUT:
		2473	RETVAL
		2474
		2475	U32
		2476	stx_atimensec ()
		2477	PROTOTYPE:
		2478	ALIAS:
		2479	stx_atimensec = STATX_OFFSET_atime
		2480	stx_btimensec = STATX_OFFSET_btime
		2481	stx_ctimensec = STATX_OFFSET_ctime
		2482	stx_mtimensec = STATX_OFFSET_mtime
		2483	CODE:
		2484	#if HAVE_STATX
		2485	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2486	RETVAL = ts->tv_nsec;
		2487	#else
		2488	RETVAL = 0;
		2489	#endif
		2490	OUTPUT:
		2491	RETVAL
		2492
		2493	int
		2494	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
		2495	CODE:
		2496	{
		2497	#if HAVE_LINUX_SPLICE
		2498	loff_t off_in_, off_out_;
		2499	RETVAL = splice (
		2500	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2501	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2502	length, flags
		2503	);
		2504	#else
		2505	RETVAL = EIO_ENOSYS ();
		2506	#endif
		2507	}
		2508	OUTPUT:
		2509	RETVAL
		2510
		2511	int
		2512	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2513	CODE:
		2514	#if HAVE_LINUX_SPLICE
		2515	RETVAL = tee (rfh, wfh, length, flags);
		2516	#else
		2517	RETVAL = EIO_ENOSYS ();
		2518	#endif
		2519	OUTPUT:
		2520	RETVAL
		2521
		2522	int
		2523	pipesize (aio_rfd rfh, int new_size = -1)
		2524	PROTOTYPE: $;$
		2525	CODE:
		2526	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2527	if (new_size >= 0)
		2528	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2529	else
		2530	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2531	#else
		2532	errno = ENOSYS;
		2533	RETVAL = -1;
		2534	#endif
		2535	OUTPUT:
		2536	RETVAL
		2537
		2538	void
		2539	pipe2 (int flags = 0)
		2540	PROTOTYPE: ;$
		2541	PPCODE:
		2542	{
		2543	int fd[2];
		2544	int res;
		2545
		2546	if (flags)
		2547	#if HAVE_PIPE2
		2548	res = pipe2 (fd, flags);
		2549	#else
		2550	res = (errno = ENOSYS, -1);
		2551	#endif
		2552	else
		2553	res = pipe (fd);
		2554
		2555	if (!res)
		2556	{
		2557	EXTEND (SP, 2);
		2558	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2559	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2560	}
		2561	}
		2562
		2563	void
		2564	eventfd (unsigned int initval = 0, int flags = 0)
		2565	PPCODE:
		2566	{
		2567	int fd;
		2568	#if HAVE_EVENTFD
		2569	fd = eventfd (initval, flags);
		2570	#else
		2571	fd = (errno = ENOSYS, -1);
		2572	#endif
		2573
		2574	XPUSHs (newmortalFH (fd, O_RDWR));
		2575	}
		2576
		2577	void
		2578	timerfd_create (int clockid, int flags = 0)
		2579	PPCODE:
		2580	{
		2581	int fd;
		2582	#if HAVE_TIMERFD
		2583	fd = timerfd_create (clockid, flags);
		2584	#else
		2585	fd = (errno = ENOSYS, -1);
		2586	#endif
		2587
		2588	XPUSHs (newmortalFH (fd, O_RDWR));
		2589	}
		2590
		2591	void
		2592	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2593	PPCODE:
		2594	{
		2595	int fd = s_fileno_croak (fh, 0);
		2596	#if HAVE_TIMERFD
		2597	int res;
		2598	struct itimerspec its, ots;
		2599
		2600	ts_set (&its.it_interval, interval);
		2601	ts_set (&its.it_value , value);
		2602	res = timerfd_settime (fd, flags, &its, &ots);
		2603
		2604	if (!res)
		2605	{
		2606	EXTEND (SP, 2);
		2607	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2608	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2609	}
		2610	#else
		2611	errno = ENOSYS;
		2612	#endif
		2613	}
		2614
		2615	void
		2616	timerfd_gettime (SV *fh)
		2617	PPCODE:
		2618	{
		2619	int fd = s_fileno_croak (fh, 0);
		2620	#if HAVE_TIMERFD
		2621	int res;
		2622	struct itimerspec ots;
		2623	res = timerfd_gettime (fd, &ots);
		2624
		2625	if (!res)
		2626	{
		2627	EXTEND (SP, 2);
		2628	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2629	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2630	}
		2631	#else
		2632	errno = ENOSYS;
		2633	#endif
		2634	}
		2635
		2636	void
		2637	memfd_create (SV8 *pathname, int flags = 0)
		2638	PPCODE:
		2639	{
		2640	int fd;
		2641	#if HAVE_MEMFD_CREATE
		2642	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2643	#else
		2644	fd = (errno = ENOSYS, -1);
		2645	#endif
		2646
		2647	XPUSHs (newmortalFH (fd, O_RDWR));
		2648	}
		2649
		2650	UV
		2651	get_fdlimit ()
		2652	CODE:
		2653	#if HAVE_RLIMITS
		2654	struct rlimit rl;
		2655	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2656	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2657	#endif
		2658	XSRETURN_UNDEF;
		2659	OUTPUT:
		2660	RETVAL
		2661
		2662	void
		2663	min_fdlimit (UV limit = 0x7fffffffU)
		2664	CODE:
		2665	{
		2666	#if HAVE_RLIMITS
		2667	struct rlimit rl;
		2668	rlim_t orig_rlim_max;
		2669	UV bit;
		2670
		2671	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2672	goto fail;
		2673
		2674	if (rl.rlim_cur == RLIM_INFINITY)
		2675	XSRETURN_YES;
		2676
		2677	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2678
		2679	if (rl.rlim_cur < limit)
		2680	{
		2681	rl.rlim_cur = limit;
		2682
		2683	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2684	rl.rlim_max = rl.rlim_cur;
		2685	}
		2686
		2687	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2688	XSRETURN_YES;
		2689
		2690	if (errno == EPERM)
		2691	{
		2692	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2693	/* our limit overflows a system-wide limit */
		2694	/* try an adaptive algorithm, but do not lower the hardlimit */
		2695	rl.rlim_max = 0;
		2696	for (bit = 0x40000000U; bit; bit >>= 1)
		2697	{
		2698	rl.rlim_max \|= bit;
		2699	rl.rlim_cur = rl.rlim_max;
		2700
		2701	/* nevr decrease the hard limit */
		2702	if (rl.rlim_max < orig_rlim_max)
		2703	break;
		2704
		2705	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2706	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2707	}
		2708
		2709	/* now, raise the soft limit to the max permitted */
		2710	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2711	{
		2712	rl.rlim_cur = rl.rlim_max;
		2713	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2714	errno = EPERM;
		2715	}
		2716	}
		2717	#endif
		2718	fail:
		2719	XSRETURN_UNDEF;
		2720	}
1778		2721
1779	void _on_next_submit (SV *cb)	2722	void _on_next_submit (SV *cb)
1780	CODE:	2723	CODE:
1781	SvREFCNT_dec (on_next_submit);	2724	SvREFCNT_dec (on_next_submit);
1782	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2725	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1817	cancel (aio_req_ornot req)	2760	cancel (aio_req_ornot req)
1818	CODE:	2761	CODE:
1819	eio_cancel (req);	2762	eio_cancel (req);
1820		2763
1821	void	2764	void
1822	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2765	cb (aio_req_ornot req, SV *callback = NO_INIT)
1823	PPCODE:	2766	PPCODE:
1824	{	2767	{
1825	if (GIMME_V != G_VOID)	2768	if (GIMME_V != G_VOID)
1826	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2769	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1827		2770
1828	if (items > 1)	2771	if (items > 1)
1829	{	2772	{
1830	SV *cb_cv =get_cb (callback);	2773	SV *cb_cv = get_cb (callback);
1831		2774
1832	SvREFCNT_dec (req->callback);	2775	SvREFCNT_dec (req->callback);
1833	req->callback = SvREFCNT_inc (cb_cv);	2776	req->callback = SvREFCNT_inc (cb_cv);
1834	}	2777	}
1835	}	2778	}
…		…
1892	limit (aio_req grp, int limit)	2835	limit (aio_req grp, int limit)
1893	CODE:	2836	CODE:
1894	eio_grp_limit (grp, limit);	2837	eio_grp_limit (grp, limit);
1895		2838
1896	void	2839	void
1897	feed (aio_req grp, SV *callback=&PL_sv_undef)	2840	feed (aio_req grp, SV *callback = &PL_sv_undef)
1898	CODE:	2841	CODE:
1899	{	2842	{
1900	SvREFCNT_dec (grp->sv2);	2843	SvREFCNT_dec (grp->sv2);
1901	grp->sv2 = newSVsv (callback);	2844	grp->sv2 = newSVsv (callback);
1902	grp->feed = aio_grp_feed;	2845	grp->feed = aio_grp_feed;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.203 by root, Thu Sep 29 23:06:24 2011 UTC vs. Revision 1.276 by root, Wed Apr 3 03:03:53 2019 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.203 by root, Thu Sep 29 23:06:24 2011 UTC vs.
Revision 1.276 by root, Wed Apr 3 03:03:53 2019 UTC