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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.190 by root, Mon Jul 18 02:02:26 2011 UTC vs.
Revision 1.298 by root, Sun Sep 25 16:35:51 2022 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
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>
22	#endif
23		23
24	/* perl namespace pollution */	24	/* perl namespace pollution */
25	#undef VERSION	25	#undef VERSION
26		26
27	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
…		…
61	#undef fchmod	61	#undef fchmod
62	#undef dup	62	#undef dup
63	#undef dup2	63	#undef dup2
64	#undef abort	64	#undef abort
65	#undef pipe	65	#undef pipe
		66	#undef utime
		67
		68	#define EIO_STRUCT_STAT struct _stati64
		69	#define EIO_STRUCT_STATI64
66		70
67	#else	71	#else
68		72
69	#include <sys/time.h>	73	#include <sys/time.h>
70	#include <sys/select.h>	74	#include <sys/select.h>
		75	#include <sys/wait.h>
71	#include <unistd.h>	76	#include <unistd.h>
72	#include <utime.h>	77	#include <utime.h>
73	#include <signal.h>	78	#include <signal.h>
74		79
75	#endif
76
77	#define EIO_STRUCT_STAT Stat_t	80	#define EIO_STRUCT_STAT Stat_t
78		81
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	82	#endif
89		83
90	/*****************************************************************************/	84	/*****************************************************************************/
91		85
92	#if __GNUC__ >= 3	86	#if __GNUC__ >= 3
…		…
98	#define expect_false(expr) expect ((expr) != 0, 0)	92	#define expect_false(expr) expect ((expr) != 0, 0)
99	#define expect_true(expr) expect ((expr) != 0, 1)	93	#define expect_true(expr) expect ((expr) != 0, 1)
100		94
101	/*****************************************************************************/	95	/*****************************************************************************/
102		96
		97	#include "config.h"
		98
		99	#if HAVE_SYS_MKDEV_H
		100	# include <sys/mkdev.h>
		101	#elif HAVE_SYS_SYSMACROS_H
		102	# include <sys/sysmacros.h>
		103	#endif
		104
		105	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		106	# include <sys/mman.h>
		107	#endif
		108
		109	#if HAVE_SYS_UIO_H
		110	# include <sys/uio.h>
		111	#endif
		112
		113	/* MUST be included before linux/fs.h, as the latter includes
		114	* linux/mount.h, which is incompatible to sys/mount.h
		115	*/
		116	#if HAVE_SYS_MOUNT_H
		117	# include <sys/mount.h>
		118	#endif
		119
		120	/* the incompetent fool that created musl keeps __linux__, refuses
		121	* to implement any linux standard apis, and also has no way to test
		122	* for his broken implementation. don't complain to me if this fails
		123	* for you.
		124	*/
		125	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		126	# include <linux/fs.h> /* MUST be included after sys/mount.h */
		127	# ifdef FS_IOC_FIEMAP
		128	# include <linux/types.h>
		129	# include <linux/fiemap.h>
		130	# undef HAVE_FIEMAP
		131	# define HAVE_FIEMAP 1
		132	# endif
		133	#endif
		134
		135	#if HAVE_ST_XTIMENSEC
		136	# define ATIMENSEC PL_statcache.st_atimensec
		137	# define MTIMENSEC PL_statcache.st_mtimensec
		138	# define CTIMENSEC PL_statcache.st_ctimensec
		139	#elif HAVE_ST_XTIMESPEC
		140	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		141	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		142	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		143	#else
		144	# define ATIMENSEC 0
		145	# define MTIMENSEC 0
		146	# define CTIMENSEC 0
		147	#endif
		148
		149	#if HAVE_ST_BIRTHTIMENSEC
		150	# define BTIMESEC PL_statcache.st_birthtime
		151	# define BTIMENSEC PL_statcache.st_birthtimensec
		152	#elif HAVE_ST_BIRTHTIMESPEC
		153	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		154	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		155	#else
		156	# define BTIMESEC 0
		157	# define BTIMENSEC 0
		158	#endif
		159
		160	#if HAVE_ST_GEN
		161	# define ST_GEN PL_statcache.st_gen
		162	#else
		163	# define ST_GEN 0
		164	#endif
		165
		166	#include "schmorp.h"
		167
		168	#if HAVE_EVENTFD
		169	# include <sys/eventfd.h>
		170	#endif
		171
		172	#if HAVE_TIMERFD
		173	# include <sys/timerfd.h>
		174	#endif
		175
		176	#if HAVE_RLIMITS
		177	#include <sys/time.h>
		178	#include <sys/resource.h>
		179	#endif
		180
103	typedef SV SV8; /* byte-sv, used for argument-checking */	181	typedef SV SV8; /* byte-sv, used for argument-checking */
		182	typedef char *octet_string;
		183	typedef char *octet_string_ornull;
104	typedef int aio_rfd; /* read file desriptor */	184	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	185	typedef int aio_wfd; /* write file descriptor */
106		186
107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	187	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108		188
109	#define EIO_REQ_MEMBERS \	189	#define EIO_REQ_MEMBERS \
110	SV *callback; \	190	SV *callback; \
111	SV *sv1, *sv2; \	191	SV *sv1, *sv2; \
		192	SV *sv3, *sv4; \
112	STRLEN stroffset; \	193	STRLEN stroffset; \
113	SV *self;	194	SV *self;
114		195
115	#define EIO_NO_WRAPPERS 1	196	#define EIO_NO_WRAPPERS 1
116		197
117	#include "libeio/config.h"
118	#include "libeio/eio.h"	198	#include "libeio/eio.h"
119		199
120	static int req_invoke (eio_req *req);	200	static int req_invoke (eio_req *req);
121	#define EIO_FINISH(req) req_invoke (req)	201	#define EIO_FINISH(req) req_invoke (req)
122	static void req_destroy (eio_req *grp);	202	static void req_destroy (eio_req *grp);
123	#define EIO_DESTROY(req) req_destroy (req)	203	#define EIO_DESTROY(req) req_destroy (req)
124		204
125	#include "libeio/eio.c"	205	#include "libeio/eio.c"
126		206
127	/* Linux/others */
128	#ifndef O_ASYNC
129	# define O_ASYNC 0
130	#endif
131	#ifndef O_DIRECT
132	# define O_DIRECT 0
133	#endif
134	#ifndef O_NOATIME
135	# define O_NOATIME 0
136	#endif
137
138	/* POSIX */
139	#ifndef O_CLOEXEC
140	# define O_CLOEXEC 0
141	#endif
142	#ifndef O_NOFOLLOW
143	# define O_NOFOLLOW 0
144	#endif
145	#ifndef O_NOCTTY
146	# define O_NOCTTY 0
147	#endif
148	#ifndef O_NONBLOCK
149	# define O_NONBLOCK 0
150	#endif
151	#ifndef O_EXEC
152	# define O_EXEC 0
153	#endif
154	#ifndef O_SEARCH
155	# define O_SEARCH 0
156	#endif
157	#ifndef O_DIRECTORY
158	# define O_DIRECTORY 0
159	#endif
160	#ifndef O_DSYNC
161	# define O_DSYNC 0
162	#endif
163	#ifndef O_RSYNC
164	# define O_RSYNC 0
165	#endif
166	#ifndef O_SYNC
167	# define O_SYNC 0
168	#endif
169	#ifndef O_TTY_INIT
170	# define O_TTY_INIT 0
171	#endif
172
173	#ifndef POSIX_FADV_NORMAL
174	# define POSIX_FADV_NORMAL 0
175	#endif
176	#ifndef POSIX_FADV_SEQUENTIAL
177	# define POSIX_FADV_SEQUENTIAL 0
178	#endif
179	#ifndef POSIX_FADV_RANDOM
180	# define POSIX_FADV_RANDOM 0
181	#endif
182	#ifndef POSIX_FADV_NOREUSE
183	# define POSIX_FADV_NOREUSE 0
184	#endif
185	#ifndef POSIX_FADV_WILLNEED
186	# define POSIX_FADV_WILLNEED 0
187	#endif
188	#ifndef POSIX_FADV_DONTNEED
189	# define POSIX_FADV_DONTNEED 0
190	#endif
191
192	#if !HAVE_POSIX_FADVISE	207	#if !HAVE_POSIX_FADVISE
193	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	208	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
194	#endif	209	#endif
195		210
196	#ifndef POSIX_MADV_NORMAL
197	# define POSIX_MADV_NORMAL 0
198	#endif
199	#ifndef POSIX_MADV_SEQUENTIAL
200	# define POSIX_MADV_SEQUENTIAL 0
201	#endif
202	#ifndef POSIX_MADV_RANDOM
203	# define POSIX_MADV_RANDOM 0
204	#endif
205	#ifndef POSIX_MADV_WILLNEED
206	# define POSIX_MADV_WILLNEED 0
207	#endif
208	#ifndef POSIX_MADV_DONTNEED
209	# define POSIX_MADV_DONTNEED 0
210	#endif
211
212	#if !HAVE_POSIX_MADVISE	211	#if !HAVE_POSIX_MADVISE
213	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	212	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
214	#endif
215
216	#ifndef PROT_NONE
217	# define PROT_NONE 0
218	#endif
219	#ifndef PROT_READ
220	# define PROT_READ 0
221	#endif
222	#ifndef PROT_WRITE
223	# define PROT_READ 0
224	#endif
225	#ifndef PROT_EXEC
226	# define PROT_EXEC 0
227	#endif
228
229	#ifndef ST_RDONLY
230	# define ST_RDONLY 0
231	#endif
232	#ifndef ST_NOSUID
233	# define ST_NOSUID 0
234	#endif
235	#ifndef ST_NODEV
236	# define ST_NODEV 0
237	#endif
238	#ifndef ST_NOEXEC
239	# define ST_NOEXEC 0
240	#endif
241	#ifndef ST_SYNCHRONOUS
242	# define ST_SYNCHRONOUS 0
243	#endif
244	#ifndef ST_MANDLOCK
245	# define ST_MANDLOCK 0
246	#endif
247	#ifndef ST_WRITE
248	# define ST_WRITE 0
249	#endif
250	#ifndef ST_APPEND
251	# define ST_APPEND 0
252	#endif
253	#ifndef ST_IMMUTABLE
254	# define ST_IMMUTABLE 0
255	#endif
256	#ifndef ST_NOATIME
257	# define ST_NOATIME 0
258	#endif
259	#ifndef ST_NODIRATIME
260	# define ST_NODIRATIME 0
261	#endif
262	#ifndef ST_RELATIME
263	# define ST_RELATIME 0
264	#endif
265
266	#ifndef S_IFIFO
267	# define S_IFIFO 0
268	#endif
269	#ifndef S_IFCHR
270	# define S_IFCHR 0
271	#endif
272	#ifndef S_IFBLK
273	# define S_IFBLK 0
274	#endif
275	#ifndef S_IFLNK
276	# define S_IFLNK 0
277	#endif
278	#ifndef S_IFREG
279	# define S_IFREG 0
280	#endif
281	#ifndef S_IFDIR
282	# define S_IFDIR 0
283	#endif
284	#ifndef S_IFWHT
285	# define S_IFWHT 0
286	#endif
287	#ifndef S_IFSOCK
288	# define S_IFSOCK 0
289	#endif	213	#endif
290		214
291	#ifndef MAP_ANONYMOUS	215	#ifndef MAP_ANONYMOUS
292	# ifdef MAP_ANON	216	# ifdef MAP_ANON
293	# define MAP_ANONYMOUS MAP_ANON	217	# define MAP_ANONYMOUS MAP_ANON
294	# else	218	# else
295	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	219	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
296	# endif	220	# endif
297	#endif	221	#endif
298	#ifndef MAP_HUGETLB
299	# define MAP_HUGETLB 0
300	#endif
301	#ifndef MAP_LOCKED
302	# define MAP_LOCKED 0
303	#endif
304	#ifndef MAP_NORESERVE
305	# define MAP_NORESERVE 0
306	#endif
307	#ifndef MAP_POPULATE
308	# define MAP_POPULATE 0
309	#endif
310	#ifndef MAP_NONBLOCK
311	# define MAP_NONBLOCK 0
312	#endif
313		222
314	#ifndef makedev	223	#ifndef makedev
315	# define makedev(maj,min) (((maj) << 8) | (min))	224	# define makedev(maj,min) (((maj) << 8) | (min))
316	#endif	225	#endif
317	#ifndef major	226	#ifndef major
…		…
319	#endif	228	#endif
320	#ifndef minor	229	#ifndef minor
321	# define minor(dev) ((dev) & 0xff)	230	# define minor(dev) ((dev) & 0xff)
322	#endif	231	#endif
323		232
		233	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		234	#ifdef __sun
324	#ifndef PAGESIZE	235	# undef PAGESIZE
		236	#endif
		237
		238	#if PAGESIZE <= 0
325	# define PAGESIZE sysconf (_SC_PAGESIZE)	239	# define PAGESIZE sysconf (_SC_PAGESIZE)
		240	#endif
		241
		242	/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
		243	#ifdef __sun
		244	# undef HAVE_SYSCALL
		245	#endif
		246
		247	#if HAVE_SYSCALL
		248	#include <sys/syscall.h>
		249	#else
		250	# define syscall(nr,...) (errno = ENOSYS, -1)
		251	#endif
		252
		253	/*****************************************************************************/
		254
		255	#if !_POSIX_MAPPED_FILES
		256	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		257	# define munmap(addr,length) EIO_ENOSYS ()
		258	#endif
		259
		260	#if !_POSIX_MEMORY_PROTECTION
		261	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		262	#endif
		263
		264	#if !MREMAP_MAYMOVE
		265	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		266	#endif
		267
		268	#define FOREIGN_MAGIC PERL_MAGIC_ext
		269
		270	static int ecb_cold
		271	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		272	{
		273	int old_errno = errno;
		274	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		275	errno = old_errno;
		276
		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::mmap-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 mmap_vtbl = {
		292	0, 0, 0, 0, mmap_free
		293	};
		294
		295	static int ecb_cold
		296	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		297	{
		298	free (mg->mg_ptr);
		299	mg->mg_obj = 0; /* just in case */
		300
		301	SvREADONLY_off (sv);
		302
		303	if (SvPVX (sv) != mg->mg_ptr)
		304	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		305
		306	SvCUR_set (sv, 0);
		307	SvPVX (sv) = 0;
		308	SvOK_off (sv);
		309
		310	return 0;
		311	}
		312
		313	static MGVTBL sysfree_vtbl = {
		314	0, 0, 0, 0, sysfree_free
		315	};
		316
		317	/*****************************************************************************/
		318
		319	/* helper: set scalar to foreign ptr with custom free */
		320	ecb_noinline
		321	static void
		322	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		323	{
		324	sv_force_normal (sv);
		325
		326	/* we store the length in mg_obj, as namlen is I32 :/ */
		327	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		328	->mg_obj = (SV *)length;
		329
		330	SvUPGRADE (sv, SVt_PV); /* nop... */
		331
		332	if (SvLEN (sv))
		333	Safefree (SvPVX (sv));
		334
		335	SvPVX (sv) = (char *)addr;
		336	SvCUR_set (sv, length);
		337	SvLEN_set (sv, 0);
		338	SvPOK_only (sv);
		339	}
		340
		341	static void
		342	sv_clear_foreign (SV *sv)
		343	{
		344	/* todo: iterate over magic and only free ours, but of course */
		345	/* the perl5porters will call that (correct) behaviour buggy */
		346	sv_unmagic (sv, FOREIGN_MAGIC);
		347	}
		348
		349	/*****************************************************************************/
		350
		351	/* defines all sorts of constants to 0 unless they are already defined */
		352	/* also provides const_iv_ and const_niv_ macros for them */
		353	#include "def0.h"
		354
		355	/*****************************************************************************/
		356
		357	static void
		358	fiemap (eio_req *req)
		359	{
		360	req->result = -1;
		361
		362	#if HAVE_FIEMAP
		363	/* assume some c99 */
		364	struct fiemap *fiemap = 0;
		365	size_t end_offset;
		366	int count = req->int3;
		367
		368	req->flags |= EIO_FLAG_PTR1_FREE;
		369
		370	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		371	/* increase in fixed steps */
		372	if (count < 0)
		373	count = 8;
		374
		375	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		376	errno = ENOMEM;
		377	if (!fiemap)
		378	return;
		379
		380	req->ptr1 = fiemap;
		381
		382	fiemap->fm_start = req->offs;
		383	fiemap->fm_length = req->size;
		384	fiemap->fm_flags = req->int2;
		385	fiemap->fm_extent_count = count;
		386
		387	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		388	return;
		389
		390	if (req->int3 >= 0 /* not autosizing */
		391	|| !fiemap->fm_mapped_extents /* no more extents */
		392	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		393	goto done;
		394
		395	/* else we have to loop -
		396	* it would be tempting (actually I tried that first) to just query the
		397	* number of extents needed, but linux often feels like not returning all
		398	* extents, without telling us it left any out. this complicates
		399	* this quite a bit.
		400	*/
		401
		402	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		403
		404	for (;;)
		405	{
		406	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		407	char scratch[3072];
		408	struct fiemap *incmap = (struct fiemap *)scratch;
		409
		410	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		411	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		412	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		413	incmap->fm_flags = fiemap->fm_flags;
		414	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		415
		416	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		417	return;
		418
		419	if (!incmap->fm_mapped_extents)
		420	goto done;
		421
		422	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		423	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		424	errno = ENOMEM;
		425	if (!fiemap)
		426	return;
		427
		428	req->ptr1 = fiemap;
		429
		430	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		431	{
		432	struct fiemap_extent *e = incmap->fm_extents + count;
		433
		434	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		435
		436	if (e->fe_logical >= end_offset)
		437	goto done;
		438
		439	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		440	goto done;
		441
		442	}
		443	}
		444
		445	done:
		446	req->result = 0;
		447
		448	#else
		449	errno = ENOSYS;
		450	#endif
		451	}
		452
		453	/*****************************************************************************/
		454
		455	static int close_fd; /* dummy fd to close fds via dup2 */
		456
		457	#if HAVE_STATX
		458	static struct statx stx;
		459	#define statx_offsetof(member) offsetof (struct statx, member)
		460	#define eio__statx statx
		461	#else
		462	#define statx_offsetof(member) 0
		463	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
326	#endif	464	#endif
327		465
328	enum {	466	enum {
329	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	467	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
330	};	468	};
331		469
332	typedef eio_req *aio_req;	470	typedef eio_req *aio_req;
333	typedef eio_req *aio_req_ornot;	471	typedef eio_req *aio_req_ornot;
		472	typedef eio_wd aio_wd;
334		473
335	static SV *on_next_submit;	474	static SV *on_next_submit;
336	static int next_pri = EIO_PRI_DEFAULT;	475	static int next_pri = EIO_PRI_DEFAULT;
337	static int max_outstanding;	476	static int max_outstanding;
338		477
339	static s_epipe respipe;	478	static s_epipe respipe;
340		479
341	static void req_destroy (aio_req req);	480	static void req_destroy (aio_req req);
342	static void req_cancel (aio_req req);	481	static void req_cancel (aio_req req);
343		482
344	static void want_poll (void)	483	static void
		484	want_poll (void)
345	{	485	{
346	/* write a dummy byte to the pipe so fh becomes ready */	486	/* write a dummy byte to the pipe so fh becomes ready */
347	s_epipe_signal (&respipe);	487	s_epipe_signal (&respipe);
348	}	488	}
349		489
350	static void done_poll (void)	490	static void
		491	done_poll (void)
351	{	492	{
352	/* read any signals sent by the worker threads */	493	/* read any signals sent by the worker threads */
353	s_epipe_drain (&respipe);	494	s_epipe_drain (&respipe);
354	}	495	}
355		496
356	/* must be called at most once */	497	/* must be called at most once */
		498	ecb_noinline
		499	static SV *
357	static SV *req_sv (aio_req req, HV *stash)	500	req_sv (aio_req req, HV *stash)
358	{	501	{
359	if (!req->self)	502	if (!req->self)
360	{	503	{
361	req->self = (SV *)newHV ();	504	req->self = (SV *)newHV ();
362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	505	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363	}	506	}
364		507
365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	508	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366	}	509	}
367		510
368	static aio_req SvAIO_REQ (SV *sv)	511	static SV *
		512	newSVaio_wd (aio_wd wd)
		513	{
		514	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		515	}
		516
		517	ecb_noinline
		518	static aio_req
		519	SvAIO_REQ (SV *sv)
369	{	520	{
370	MAGIC *mg;	521	MAGIC *mg;
371		522
372	if (!SvROK (sv)	523	if (!SvROK (sv)
		524	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	525	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
374	&& SvSTASH (SvRV (sv)) != aio_req_stash	526	&& SvSTASH (SvRV (sv)) != aio_req_stash
375	&& !sv_derived_from (sv, "IO::AIO::REQ")))	527	&& !sv_derived_from (sv, "IO::AIO::REQ")))
376	croak ("object of class IO::AIO::REQ expected");	528	croak ("object of class IO::AIO::REQ expected");
377		529
378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	530	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379		531
380	return mg ? (aio_req)mg->mg_ptr : 0;	532	return mg ? (aio_req)mg->mg_ptr : 0;
381	}	533	}
382		534
		535	static aio_wd
		536	SvAIO_WD (SV *sv)
		537	{
		538	if (!SvROK (sv)
		539	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		540	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		541	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		542
		543	return (aio_wd)(long)SvIVX (SvRV (sv));
		544	}
		545
		546	static SV *
		547	newmortalFH (int fd, int flags)
		548	{
		549	if (fd < 0)
		550	return &PL_sv_undef;
		551
		552	GV *gv = (GV *)sv_newmortal ();
		553	char sym[64];
		554	int symlen;
		555
		556	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		557	gv_init (gv, aio_stash, sym, symlen, 0);
		558
		559	symlen = snprintf (
		560	sym,
		561	sizeof (sym),
		562	"%s&=%d",
		563	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		564	fd
		565	);
		566
		567	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		568	? (SV *)gv : &PL_sv_undef;
		569	}
		570
		571	static void
383	static void aio_grp_feed (aio_req grp)	572	aio_grp_feed (aio_req grp)
384	{	573	{
385	if (grp->sv2 && SvOK (grp->sv2))	574	if (grp->sv2 && SvOK (grp->sv2))
386	{	575	{
387	dSP;	576	dSP;
388		577
…		…
396	FREETMPS;	585	FREETMPS;
397	LEAVE;	586	LEAVE;
398	}	587	}
399	}	588	}
400		589
		590	ecb_noinline
		591	static void
401	static void req_submit (eio_req *req)	592	req_submit (eio_req *req)
402	{	593	{
403	eio_submit (req);	594	eio_submit (req);
404		595
405	if (expect_false (on_next_submit))	596	if (expect_false (on_next_submit))
406	{	597	{
…		…
413	PUTBACK;	604	PUTBACK;
414	call_sv (cb, G_DISCARD | G_EVAL);	605	call_sv (cb, G_DISCARD | G_EVAL);
415	}	606	}
416	}	607	}
417		608
		609	static int
418	static int req_invoke (eio_req *req)	610	req_invoke (eio_req *req)
419	{	611	{
420	if (req->flags & FLAG_SV2_RO_OFF)	612	if (req->flags & FLAG_SV2_RO_OFF)
421	SvREADONLY_off (req->sv2);	613	SvREADONLY_off (req->sv2);
422		614
423	if (!EIO_CANCELLED (req) && req->callback)	615	if (!EIO_CANCELLED (req) && req->callback)
…		…
444	SvREADONLY_on (sv_result);	636	SvREADONLY_on (sv_result);
445	}	637	}
446		638
447	switch (req->type)	639	switch (req->type)
448	{	640	{
		641	case EIO_WD_OPEN:
		642	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		643	break;
		644
449	case EIO_READDIR:	645	case EIO_READDIR:
450	{	646	{
451	SV *rv = &PL_sv_undef;	647	SV *rv = &PL_sv_undef;
452		648
453	if (req->result >= 0)	649	if (req->result >= 0)
…		…
506	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	702	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
507	}	703	}
508	break;	704	break;
509		705
510	case EIO_OPEN:	706	case EIO_OPEN:
511	{	707	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
512	/* convert fd to fh */
513	SV *fh = &PL_sv_undef;
514
515	if (req->result >= 0)
516	{
517	GV *gv = (GV *)sv_newmortal ();
518	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
519	char sym [64];
520	int symlen;
521
522	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
523	gv_init (gv, aio_stash, sym, symlen, 0);
524
525	symlen = snprintf (
526	sym,
527	sizeof (sym),
528	"%s&=%d",
529	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
530	(int)req->result
531	);
532
533	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
534	fh = (SV *)gv;
535	}
536
537	PUSHs (fh);
538	}
539	break;	708	break;
540		709
541	case EIO_STATVFS:	710	case EIO_STATVFS:
542	case EIO_FSTATVFS:	711	case EIO_FSTATVFS:
543	{	712	{
…		…
546	#ifndef _WIN32	715	#ifndef _WIN32
547	if (req->result >= 0)	716	if (req->result >= 0)
548	{	717	{
549	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	718	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
550	HV *hv = newHV ();	719	HV *hv = newHV ();
		720	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		721	* chooses to make it a struct.
		722	*/
		723	unsigned long fsid = 0;
		724	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
551		725
552	rv = sv_2mortal (newRV_noinc ((SV *)hv));	726	rv = sv_2mortal (newRV_noinc ((SV *)hv));
553		727
554	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	728	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
555	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	729	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
557	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	731	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
558	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	732	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
559	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	733	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
560	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	734	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
561	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	735	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
562	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	736	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
563	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	737	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
564	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	738	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
565	}	739	}
566	#endif	740	#endif
567		741
…		…
595	break;	769	break;
596		770
597	case EIO_STAT:	771	case EIO_STAT:
598	case EIO_LSTAT:	772	case EIO_LSTAT:
599	case EIO_FSTAT:	773	case EIO_FSTAT:
600	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	774	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		775
601	PL_laststatval = req->result;	776	if (!(PL_laststatval = req->result))
602	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	777	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
603	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	778	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		779
604	PUSHs (sv_result);	780	PUSHs (sv_result);
		781	break;
		782
		783	case EIO_SEEK:
		784	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
605	break;	785	break;
606		786
607	case EIO_READ:	787	case EIO_READ:
608	{	788	{
609	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	789	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
612	SvSETMAGIC (req->sv2);	792	SvSETMAGIC (req->sv2);
613	PUSHs (sv_result);	793	PUSHs (sv_result);
614	}	794	}
615	break;	795	break;
616		796
		797	case EIO_SLURP:
		798	{
		799	if (req->result >= 0)
		800	{
		801	/* if length was originally not known, we steal the malloc'ed memory */
		802	if (req->flags & EIO_FLAG_PTR2_FREE)
		803	{
		804	req->flags &= ~EIO_FLAG_PTR2_FREE;
		805	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		806	}
		807	else
		808	{
		809	SvCUR_set (req->sv2, req->result);
		810	*SvEND (req->sv2) = 0;
		811	SvPOK_only (req->sv2);
		812	}
		813
		814	SvSETMAGIC (req->sv2);
		815	}
		816
		817	PUSHs (sv_result);
		818	}
		819	break;
		820
		821	case EIO_CUSTOM:
		822	if (req->feed == fiemap)
		823	{
		824	#if HAVE_FIEMAP
		825	if (!req->result)
		826	{
		827	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		828
		829	if (fiemap->fm_extent_count)
		830	{
		831	AV *av = newAV ();
		832	int i;
		833
		834	while (fiemap->fm_mapped_extents)
		835	{
		836	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		837	AV *ext_av = newAV ();
		838
		839	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		840	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		841	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		842	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		843
		844	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		845	}
		846
		847	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		848	}
		849	else
		850	{
		851	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		852	PUSHs (sv_result);
		853	}
		854	}
		855	#endif
		856	}
		857	else
		858	PUSHs (sv_result);
		859	break;
		860
		861	#if 0
		862	case EIO_CLOSE:
		863	PerlIOUnix_refcnt_dec (req->int1);
		864	break;
		865	#endif
		866
617	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	867	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
618	if (req->result > 0)	868	if (req->result > 0)
619	SvIV_set (sv_result, 0);	869	SvIV_set (sv_result, 0);
620	/* FALLTHROUGH */	870	/* FALLTHROUGH */
621		871
…		…
642	}	892	}
643		893
644	return !!SvTRUE (ERRSV);	894	return !!SvTRUE (ERRSV);
645	}	895	}
646		896
		897	static void
647	static void req_destroy (aio_req req)	898	req_destroy (aio_req req)
648	{	899	{
649	if (req->self)	900	if (req->self)
650	{	901	{
651	sv_unmagic (req->self, PERL_MAGIC_ext);	902	sv_unmagic (req->self, PERL_MAGIC_ext);
652	SvREFCNT_dec (req->self);	903	SvREFCNT_dec (req->self);
653	}	904	}
654		905
655	SvREFCNT_dec (req->sv1);	906	SvREFCNT_dec (req->sv1);
656	SvREFCNT_dec (req->sv2);	907	SvREFCNT_dec (req->sv2);
		908	SvREFCNT_dec (req->sv3);
		909	SvREFCNT_dec (req->sv4);
657	SvREFCNT_dec (req->callback);	910	SvREFCNT_dec (req->callback);
658		911
659	Safefree (req);	912	free (req);
660	}	913	}
661		914
		915	static void
662	static void req_cancel_subs (aio_req grp)	916	req_cancel_subs (aio_req grp)
663	{	917	{
664	if (grp->type != EIO_GROUP)	918	if (grp->type != EIO_GROUP)
665	return;	919	return;
666		920
667	SvREFCNT_dec (grp->sv2);	921	SvREFCNT_dec (grp->sv2);
668	grp->sv2 = 0;	922	grp->sv2 = 0;
669		923
670	eio_grp_cancel (grp);	924	eio_grp_cancel (grp);
671	}	925	}
672		926
		927	ecb_cold
		928	static void
673	static void create_respipe (void)	929	create_respipe (void)
674	{	930	{
675	if (s_epipe_renew (&respipe))	931	if (s_epipe_renew (&respipe))
676	croak ("IO::AIO: unable to initialize result pipe");	932	croak ("IO::AIO: unable to initialize result pipe");
677	}	933	}
678		934
679	static void poll_wait (void)	935	static void
		936	poll_wait (void)
680	{	937	{
681	while (eio_nreqs ())	938	while (eio_nreqs ())
682	{	939	{
683	int size;	940	int size;
684		941
685	X_LOCK (reslock);	942	X_LOCK (EIO_POOL->reslock);
686	size = res_queue.size;	943	size = EIO_POOL->res_queue.size;
687	X_UNLOCK (reslock);	944	X_UNLOCK (EIO_POOL->reslock);
688		945
689	if (size)	946	if (size)
690	return;	947	return;
691		948
692	etp_maybe_start_thread ();	949	etp_maybe_start_thread (EIO_POOL);
693		950
694	s_epipe_wait (&respipe);	951	s_epipe_wait (&respipe);
695	}	952	}
696	}	953	}
697		954
698	static int poll_cb (void)	955	static int
		956	poll_cb (void)
699	{	957	{
700	for (;;)	958	for (;;)
701	{	959	{
702	int res = eio_poll ();	960	int res = eio_poll ();
703		961
…		…
709		967
710	poll_wait ();	968	poll_wait ();
711	}	969	}
712	}	970	}
713		971
714	static void ecb_cold	972	ecb_cold
		973	static void
715	reinit (void)	974	reinit (void)
716	{	975	{
717	create_respipe ();	976	create_respipe ();
718		977
719	if (eio_init (want_poll, done_poll) < 0)	978	if (eio_init (want_poll, done_poll) < 0)
720	croak ("IO::AIO: unable to initialise eio library");	979	croak ("IO::AIO: unable to initialise eio library");
721	}	980	}
722		981
723	/*****************************************************************************/	982	/*****************************************************************************/
724		983
725	#if !_POSIX_MAPPED_FILES	984	static SV *
726	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
727	# define munmap(addr,length) (errno = ENOSYS, -1)
728	#endif
729
730	#if !_POSIX_MEMORY_PROTECTION
731	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
732	# define PROT_NONE 0
733	# define PROT_WRITE 0
734	# define MAP_PRIVATE 0
735	# define MAP_SHARED 0
736	# define MAP_FIXED 0
737	#endif
738
739	#define MMAP_MAGIC PERL_MAGIC_ext
740
741	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
742	{
743	int old_errno = errno;
744	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
745	errno = old_errno;
746
747	mg->mg_obj = 0; /* just in case */
748
749	SvREADONLY_off (sv);
750
751	if (SvPVX (sv) != mg->mg_ptr)
752	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
753
754	SvCUR_set (sv, 0);
755	SvPVX (sv) = 0;
756	SvOK_off (sv);
757
758	return 0;
759	}
760
761	static MGVTBL mmap_vtbl = {
762	0, 0, 0, 0, mmap_free
763	};
764
765	/*****************************************************************************/
766
767	static SV * get_cb (SV *cb_sv)	985	get_cb (SV *cb_sv)
768	{	986	{
769	SvGETMAGIC (cb_sv);	987	SvGETMAGIC (cb_sv);
770	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	988	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
771	}	989	}
772		990
		991	ecb_noinline
		992	static aio_req ecb_noinline
		993	dreq (SV *callback)
		994	{
		995	SV *cb_cv;
		996	aio_req req;
		997	int req_pri = next_pri;
		998	next_pri = EIO_PRI_DEFAULT;
		999
		1000	cb_cv = get_cb (callback);
		1001
		1002	req = calloc (sizeof (*req), 1);
		1003	if (!req)
		1004	croak ("out of memory during eio_req allocation");
		1005
		1006	req->callback = SvREFCNT_inc (cb_cv);
		1007	req->pri = req_pri;
		1008
		1009	return req;
		1010	}
		1011
773	#define dREQ \	1012	#define dREQ \
774	SV *cb_cv; \	1013	aio_req req = dreq (callback); \
775	aio_req req; \
776	int req_pri = next_pri; \
777	next_pri = EIO_PRI_DEFAULT; \
778	\
779	cb_cv = get_cb (callback); \
780	\
781	Newz (0, req, 1, eio_req); \
782	if (!req) \
783	croak ("out of memory during eio_req allocation"); \
784	\
785	req->callback = SvREFCNT_inc (cb_cv); \
786	req->pri = req_pri
787		1014
788	#define REQ_SEND \	1015	#define REQ_SEND \
789	PUTBACK; \	1016	PUTBACK; \
790	req_submit (req); \	1017	req_submit (req); \
791	SPAGAIN; \	1018	SPAGAIN; \
792	\	1019	\
793	if (GIMME_V != G_VOID) \	1020	if (GIMME_V != G_VOID) \
794	XPUSHs (req_sv (req, aio_req_stash));	1021	XPUSHs (req_sv (req, aio_req_stash));
795		1022
		1023	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
		1024	ecb_inline
		1025	void
		1026	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		1027	{
		1028	if (expect_false (SvROK (path)))
		1029	{
		1030	SV *rv = SvRV (path);
		1031	SV *wdob;
		1032
		1033	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		1034	{
		1035	path = AvARRAY (rv)[1];
		1036	wdob = AvARRAY (rv)[0];
		1037
		1038	if (SvOK (wdob))
		1039	{
		1040	*wd = SvAIO_WD (wdob);
		1041	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		1042	}
		1043	else
		1044	*wd = EIO_INVALID_WD;
		1045	}
		1046	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		1047	{
		1048	*wd = (aio_wd)(long)SvIVX (rv);
		1049	*wdsv = SvREFCNT_inc_NN (rv);
		1050	*ptr = ".";
		1051	return; /* path set to "." */
		1052	}
		1053	else
		1054	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		1055	}
		1056
		1057	*pathsv = newSVsv (path);
		1058	*ptr = SvPVbyte_nolen (*pathsv);
		1059	}
		1060
		1061	ecb_noinline
		1062	static void
		1063	req_set_path1 (aio_req req, SV *path)
		1064	{
		1065	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		1066	}
		1067
		1068	ecb_noinline
		1069	static void
		1070	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		1071	{
		1072	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		1073
		1074	switch (SvTYPE (rv))
		1075	{
		1076	case SVt_PVIO:
		1077	case SVt_PVLV:
		1078	case SVt_PVGV:
		1079	req->type = type_fh;
		1080	req->sv1 = newSVsv (fh_or_path);
		1081	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1082	break;
		1083
		1084	default:
		1085	req->type = type_path;
		1086	req_set_path1 (req, fh_or_path);
		1087	break;
		1088	}
		1089	}
		1090
		1091	/*****************************************************************************/
		1092
		1093	static void
		1094	ts_set (struct timespec *ts, NV value)
		1095	{
		1096	ts->tv_sec = value;
		1097	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1098	}
		1099
		1100	static NV
		1101	ts_get (const struct timespec *ts)
		1102	{
		1103	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1104	}
		1105
		1106	/*****************************************************************************/
		1107
		1108	/* extract a ref-to-array of strings into a temporary c style string vector */
		1109	static char **
		1110	extract_stringvec (SV *sv, const char *croakmsg)
		1111	{
		1112	if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
		1113	croak ("%s", croakmsg);
		1114
		1115	AV *av = (AV *)SvRV (sv);
		1116	int i, nelem = av_len (av) + 1;
		1117	char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
		1118
		1119	for (i = 0; i < nelem; ++i)
		1120	{
		1121	SV **e = av_fetch (av, i, 0);
		1122
		1123	if (e && *e)
		1124	vecp[i] = SvPVbyte_nolen (*e);
		1125	else
		1126	vecp[i] = "";
		1127	}
		1128
		1129	vecp[nelem] = 0;
		1130
		1131	return vecp;
		1132	}
		1133
		1134	/*****************************************************************************/
		1135
		1136	XS(boot_IO__AIO) ecb_cold;
		1137
796	MODULE = IO::AIO PACKAGE = IO::AIO	1138	MODULE = IO::AIO PACKAGE = IO::AIO
797		1139
798	PROTOTYPES: ENABLE	1140	PROTOTYPES: ENABLE
799		1141
800	BOOT:	1142	BOOT:
…		…
804	IV iv;	1146	IV iv;
805	} *civ, const_iv[] = {	1147	} *civ, const_iv[] = {
806	# define const_niv(name, value) { # name, (IV) value },	1148	# define const_niv(name, value) { # name, (IV) value },
807	# define const_iv(name) { # name, (IV) name },	1149	# define const_iv(name) { # name, (IV) name },
808	# define const_eio(name) { # name, (IV) EIO_ ## name },	1150	# define const_eio(name) { # name, (IV) EIO_ ## name },
		1151
		1152	/* you have to re-run ./gendef0 after adding/removing any constants here */
		1153	/* the first block can be undef if missing */
		1154	const_iv (ENOSYS)
809	const_iv (EXDEV)	1155	const_iv (EXDEV)
810	const_iv (ENOSYS)	1156	const_iv (EBADR)
		1157
		1158	/* for lseek */
		1159	const_iv (SEEK_DATA)
		1160	const_iv (SEEK_HOLE)
		1161
		1162	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1163	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1164	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1165	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1166	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1167	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1168
		1169	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1170	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1171	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1172	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1173	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1174
		1175	/* the second block will be 0 when missing */
		1176	const_iv (O_ACCMODE)
		1177
811	const_iv (O_RDONLY)	1178	const_iv (O_RDONLY)
812	const_iv (O_WRONLY)	1179	const_iv (O_WRONLY)
813	const_iv (O_RDWR)	1180	const_iv (O_RDWR)
814	const_iv (O_CREAT)	1181	const_iv (O_CREAT)
815	const_iv (O_TRUNC)	1182	const_iv (O_TRUNC)
…		…
828	const_iv (O_SEARCH)	1195	const_iv (O_SEARCH)
829	const_iv (O_DIRECTORY)	1196	const_iv (O_DIRECTORY)
830	const_iv (O_DSYNC)	1197	const_iv (O_DSYNC)
831	const_iv (O_RSYNC)	1198	const_iv (O_RSYNC)
832	const_iv (O_SYNC)	1199	const_iv (O_SYNC)
		1200	const_iv (O_PATH)
		1201	const_iv (O_TMPFILE)
833	const_iv (O_TTY_INIT)	1202	const_iv (O_TTY_INIT)
834		1203
835	const_iv (S_IFIFO)	1204	const_iv (S_IFIFO)
836	const_iv (S_IFCHR)	1205	const_iv (S_IFCHR)
837	const_iv (S_IFBLK)	1206	const_iv (S_IFBLK)
…		…
839	const_iv (S_IFREG)	1208	const_iv (S_IFREG)
840	const_iv (S_IFDIR)	1209	const_iv (S_IFDIR)
841	const_iv (S_IFWHT)	1210	const_iv (S_IFWHT)
842	const_iv (S_IFSOCK)	1211	const_iv (S_IFSOCK)
843	const_iv (S_IFMT)	1212	const_iv (S_IFMT)
844
845	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
846	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
847	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
848	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
849	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
850	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
851
852	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
853	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
854	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
855	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
856	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
857		1213
858	const_iv (ST_RDONLY)	1214	const_iv (ST_RDONLY)
859	const_iv (ST_NOSUID)	1215	const_iv (ST_NOSUID)
860	const_iv (ST_NODEV)	1216	const_iv (ST_NODEV)
861	const_iv (ST_NOEXEC)	1217	const_iv (ST_NOEXEC)
…		…
871	const_iv (PROT_NONE)	1227	const_iv (PROT_NONE)
872	const_iv (PROT_EXEC)	1228	const_iv (PROT_EXEC)
873	const_iv (PROT_READ)	1229	const_iv (PROT_READ)
874	const_iv (PROT_WRITE)	1230	const_iv (PROT_WRITE)
875		1231
876	/*const_iv (MAP_FIXED)*/
877	const_iv (MAP_PRIVATE)	1232	const_iv (MAP_PRIVATE)
878	const_iv (MAP_SHARED)	1233	const_iv (MAP_SHARED)
		1234	const_iv (MAP_FIXED)
879	const_iv (MAP_ANONYMOUS)	1235	const_iv (MAP_ANONYMOUS)
880		1236
881	/* linuxish */	1237	/* linuxish */
882	const_iv (MAP_HUGETLB)
883	const_iv (MAP_LOCKED)	1238	const_iv (MAP_LOCKED)
884	const_iv (MAP_NORESERVE)	1239	const_iv (MAP_NORESERVE)
885	const_iv (MAP_POPULATE)	1240	const_iv (MAP_POPULATE)
886	const_iv (MAP_NONBLOCK)	1241	const_iv (MAP_NONBLOCK)
		1242	const_iv (MAP_GROWSDOWN)
		1243	const_iv (MAP_32BIT)
		1244	const_iv (MAP_HUGETLB)
		1245	const_iv (MAP_STACK)
		1246	const_iv (MAP_FIXED_NOREPLACE)
		1247	const_iv (MAP_SHARED_VALIDATE)
		1248	const_iv (MAP_SYNC)
		1249	const_iv (MAP_UNINITIALIZED)
		1250
		1251	const_iv (MREMAP_MAYMOVE)
		1252	const_iv (MREMAP_FIXED)
		1253
		1254	const_iv (MSG_CMSG_CLOEXEC)
		1255	const_iv (SOCK_CLOEXEC)
		1256
		1257	const_iv (F_DUPFD_CLOEXEC)
		1258
		1259	const_iv (F_ADD_SEALS)
		1260	const_iv (F_GET_SEALS)
		1261	const_iv (F_SEAL_SEAL)
		1262	const_iv (F_SEAL_SHRINK)
		1263	const_iv (F_SEAL_GROW)
		1264	const_iv (F_SEAL_WRITE)
		1265
		1266	const_iv (F_OFD_GETLK)
		1267	const_iv (F_OFD_SETLK)
		1268	const_iv (F_OFD_GETLKW)
		1269
		1270	const_iv (FIFREEZE)
		1271	const_iv (FITHAW)
		1272	const_iv (FITRIM)
		1273	const_iv (FICLONE)
		1274	const_iv (FICLONERANGE)
		1275	const_iv (FIDEDUPERANGE)
		1276
		1277	const_iv (FS_IOC_GETFLAGS)
		1278	const_iv (FS_IOC_SETFLAGS)
		1279	const_iv (FS_IOC_GETVERSION)
		1280	const_iv (FS_IOC_SETVERSION)
		1281	const_iv (FS_IOC_FIEMAP)
		1282	const_iv (FS_IOC_FSGETXATTR)
		1283	const_iv (FS_IOC_FSSETXATTR)
		1284	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1285	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1286	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1287
		1288	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1289
		1290	const_iv (FS_SECRM_FL)
		1291	const_iv (FS_UNRM_FL)
		1292	const_iv (FS_COMPR_FL)
		1293	const_iv (FS_SYNC_FL)
		1294	const_iv (FS_IMMUTABLE_FL)
		1295	const_iv (FS_APPEND_FL)
		1296	const_iv (FS_NODUMP_FL)
		1297	const_iv (FS_NOATIME_FL)
		1298	const_iv (FS_DIRTY_FL)
		1299	const_iv (FS_COMPRBLK_FL)
		1300	const_iv (FS_NOCOMP_FL)
		1301	const_iv (FS_ENCRYPT_FL)
		1302	const_iv (FS_BTREE_FL)
		1303	const_iv (FS_INDEX_FL)
		1304	const_iv (FS_JOURNAL_DATA_FL)
		1305	const_iv (FS_NOTAIL_FL)
		1306	const_iv (FS_DIRSYNC_FL)
		1307	const_iv (FS_TOPDIR_FL)
		1308	const_iv (FS_FL_USER_MODIFIABLE)
		1309
		1310	const_iv (FS_XFLAG_REALTIME)
		1311	const_iv (FS_XFLAG_PREALLOC)
		1312	const_iv (FS_XFLAG_IMMUTABLE)
		1313	const_iv (FS_XFLAG_APPEND)
		1314	const_iv (FS_XFLAG_SYNC)
		1315	const_iv (FS_XFLAG_NOATIME)
		1316	const_iv (FS_XFLAG_NODUMP)
		1317	const_iv (FS_XFLAG_RTINHERIT)
		1318	const_iv (FS_XFLAG_PROJINHERIT)
		1319	const_iv (FS_XFLAG_NOSYMLINKS)
		1320	const_iv (FS_XFLAG_EXTSIZE)
		1321	const_iv (FS_XFLAG_EXTSZINHERIT)
		1322	const_iv (FS_XFLAG_NODEFRAG)
		1323	const_iv (FS_XFLAG_FILESTREAM)
		1324	const_iv (FS_XFLAG_DAX)
		1325	const_iv (FS_XFLAG_HASATTR)
		1326
		1327	const_iv (FIEMAP_FLAG_SYNC)
		1328	const_iv (FIEMAP_FLAG_XATTR)
		1329	const_iv (FIEMAP_FLAGS_COMPAT)
		1330	const_iv (FIEMAP_EXTENT_LAST)
		1331	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1332	const_iv (FIEMAP_EXTENT_DELALLOC)
		1333	const_iv (FIEMAP_EXTENT_ENCODED)
		1334	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1335	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1336	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1337	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1338	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1339	const_iv (FIEMAP_EXTENT_MERGED)
		1340	const_iv (FIEMAP_EXTENT_SHARED)
		1341
		1342	const_iv (SPLICE_F_MOVE)
		1343	const_iv (SPLICE_F_NONBLOCK)
		1344	const_iv (SPLICE_F_MORE)
		1345	const_iv (SPLICE_F_GIFT)
		1346
		1347	const_iv (EFD_CLOEXEC)
		1348	const_iv (EFD_NONBLOCK)
		1349	const_iv (EFD_SEMAPHORE)
		1350
		1351	const_iv (MFD_CLOEXEC)
		1352	const_iv (MFD_ALLOW_SEALING)
		1353	const_iv (MFD_HUGETLB)
		1354	const_iv (MFD_HUGETLB_2MB)
		1355	const_iv (MFD_HUGETLB_1GB)
		1356
		1357	const_iv (CLOCK_REALTIME)
		1358	const_iv (CLOCK_MONOTONIC)
		1359	const_iv (CLOCK_BOOTTIME)
		1360	const_iv (CLOCK_REALTIME_ALARM)
		1361	const_iv (CLOCK_BOOTTIME_ALARM)
		1362
		1363	const_iv (TFD_NONBLOCK)
		1364	const_iv (TFD_CLOEXEC)
		1365
		1366	const_iv (TFD_TIMER_ABSTIME)
		1367	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1368
		1369	const_iv (STATX_TYPE)
		1370	const_iv (STATX_MODE)
		1371	const_iv (STATX_NLINK)
		1372	const_iv (STATX_UID)
		1373	const_iv (STATX_GID)
		1374	const_iv (STATX_ATIME)
		1375	const_iv (STATX_MTIME)
		1376	const_iv (STATX_CTIME)
		1377	const_iv (STATX_INO)
		1378	const_iv (STATX_SIZE)
		1379	const_iv (STATX_BLOCKS)
		1380	const_iv (STATX_BASIC_STATS)
		1381	const_iv (STATX_ALL)
		1382	const_iv (STATX_BTIME)
		1383	const_iv (STATX_ATTR_COMPRESSED)
		1384	const_iv (STATX_ATTR_IMMUTABLE)
		1385	const_iv (STATX_ATTR_APPEND)
		1386	const_iv (STATX_ATTR_NODUMP)
		1387	const_iv (STATX_ATTR_ENCRYPTED)
		1388	const_iv (STATX_ATTR_AUTOMOUNT)
		1389
		1390	const_iv (AT_FDCWD)
		1391	const_iv (AT_SYMLINK_NOFOLLOW)
		1392	const_iv (AT_EACCESS)
		1393	const_iv (AT_REMOVEDIR)
		1394	const_iv (AT_SYMLINK_FOLLOW)
		1395	const_iv (AT_NO_AUTOMOUNT)
		1396	const_iv (AT_EMPTY_PATH)
		1397	const_iv (AT_STATX_SYNC_TYPE)
		1398	const_iv (AT_STATX_AS_STAT)
		1399	const_iv (AT_STATX_FORCE_SYNC)
		1400	const_iv (AT_STATX_DONT_SYNC)
		1401	const_iv (AT_RECURSIVE)
		1402
		1403	const_iv (OPEN_TREE_CLONE)
		1404
		1405	const_iv (FSOPEN_CLOEXEC)
		1406
		1407	const_iv (FSPICK_CLOEXEC)
		1408	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1409	const_iv (FSPICK_NO_AUTOMOUNT)
		1410	const_iv (FSPICK_EMPTY_PATH)
		1411
		1412	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1413	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1414	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1415	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1416	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1417	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1418
		1419	/* waitid */
		1420	const_iv (P_PID)
		1421	const_iv (P_PIDFD)
		1422	const_iv (P_PGID)
		1423	const_iv (P_ALL)
		1424
		1425	const_iv (FSCONFIG_SET_FLAG)
		1426	const_iv (FSCONFIG_SET_STRING)
		1427	const_iv (FSCONFIG_SET_BINARY)
		1428	const_iv (FSCONFIG_SET_PATH)
		1429	const_iv (FSCONFIG_SET_PATH_EMPTY)
		1430	const_iv (FSCONFIG_SET_FD)
		1431	const_iv (FSCONFIG_CMD_CREATE)
		1432	const_iv (FSCONFIG_CMD_RECONFIGURE)
		1433
		1434	const_iv (MOUNT_ATTR_RDONLY)
		1435	const_iv (MOUNT_ATTR_NOSUID)
		1436	const_iv (MOUNT_ATTR_NODEV)
		1437	const_iv (MOUNT_ATTR_NOEXEC)
		1438	const_iv (MOUNT_ATTR__ATIME)
		1439	const_iv (MOUNT_ATTR_RELATIME)
		1440	const_iv (MOUNT_ATTR_NOATIME)
		1441	const_iv (MOUNT_ATTR_STRICTATIME)
		1442	const_iv (MOUNT_ATTR_NODIRATIME)
		1443
		1444	/* sys/mount.h */
		1445	const_iv (MS_RDONLY)
		1446	const_iv (MS_NOSUID)
		1447	const_iv (MS_NODEV)
		1448	const_iv (MS_NOEXEC)
		1449	const_iv (MS_SYNCHRONOUS)
		1450	const_iv (MS_REMOUNT)
		1451	const_iv (MS_MANDLOCK)
		1452	const_iv (MS_DIRSYNC)
		1453	const_iv (MS_NOATIME)
		1454	const_iv (MS_NODIRATIME)
		1455	const_iv (MS_BIND)
		1456	const_iv (MS_MOVE)
		1457	const_iv (MS_REC)
		1458	const_iv (MS_SILENT)
		1459	const_iv (MS_POSIXACL)
		1460	const_iv (MS_UNBINDABLE)
		1461	const_iv (MS_PRIVATE)
		1462	const_iv (MS_SLAVE)
		1463	const_iv (MS_SHARED)
		1464	const_iv (MS_RELATIME)
		1465	const_iv (MS_KERNMOUNT)
		1466	const_iv (MS_I_VERSION)
		1467	const_iv (MS_STRICTATIME)
		1468	const_iv (MS_LAZYTIME)
		1469	const_iv (MS_ACTIVE)
		1470	const_iv (MS_NOUSER)
		1471	const_iv (MS_RMT_MASK)
		1472	const_iv (MS_MGC_VAL)
		1473	const_iv (MS_MGC_MSK)
		1474
		1475	const_iv (MNT_FORCE)
		1476	const_iv (MNT_DETACH)
		1477	const_iv (MNT_EXPIRE)
		1478	const_iv (UMOUNT_NOFOLLOW)
		1479
		1480	const_iv (BLKROSET)
		1481	const_iv (BLKROGET)
		1482	const_iv (BLKRRPART)
		1483	const_iv (BLKGETSIZE)
		1484	const_iv (BLKFLSBUF)
		1485	const_iv (BLKRASET)
		1486	const_iv (BLKRAGET)
		1487	const_iv (BLKFRASET)
		1488	const_iv (BLKFRAGET)
		1489	const_iv (BLKSECTSET)
		1490	const_iv (BLKSECTGET)
		1491	const_iv (BLKSSZGET)
		1492	const_iv (BLKBSZGET)
		1493	const_iv (BLKBSZSET)
		1494	const_iv (BLKGETSIZE64)
		1495
		1496	/* these are libeio constants, and are independent of gendef0 */
		1497	const_eio (SEEK_SET)
		1498	const_eio (SEEK_CUR)
		1499	const_eio (SEEK_END)
887		1500
888	const_eio (MCL_FUTURE)	1501	const_eio (MCL_FUTURE)
889	const_eio (MCL_CURRENT)	1502	const_eio (MCL_CURRENT)
		1503	const_eio (MCL_ONFAULT)
890		1504
891	const_eio (MS_ASYNC)	1505	const_eio (MS_ASYNC)
892	const_eio (MS_INVALIDATE)	1506	const_eio (MS_INVALIDATE)
893	const_eio (MS_SYNC)	1507	const_eio (MS_SYNC)
894		1508
…		…
897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1511	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
898	const_eio (SYNC_FILE_RANGE_WRITE)	1512	const_eio (SYNC_FILE_RANGE_WRITE)
899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1513	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
900		1514
901	const_eio (FALLOC_FL_KEEP_SIZE)	1515	const_eio (FALLOC_FL_KEEP_SIZE)
		1516	const_eio (FALLOC_FL_PUNCH_HOLE)
		1517	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1518	const_eio (FALLOC_FL_ZERO_RANGE)
		1519	const_eio (FALLOC_FL_INSERT_RANGE)
		1520	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1521
		1522	const_eio (RENAME_NOREPLACE)
		1523	const_eio (RENAME_EXCHANGE)
		1524	const_eio (RENAME_WHITEOUT)
902		1525
903	const_eio (READDIR_DENTS)	1526	const_eio (READDIR_DENTS)
904	const_eio (READDIR_DIRS_FIRST)	1527	const_eio (READDIR_DIRS_FIRST)
905	const_eio (READDIR_STAT_ORDER)	1528	const_eio (READDIR_STAT_ORDER)
906	const_eio (READDIR_FOUND_UNKNOWN)	1529	const_eio (READDIR_FOUND_UNKNOWN)
…		…
917	};	1540	};
918		1541
919	aio_stash = gv_stashpv ("IO::AIO" , 1);	1542	aio_stash = gv_stashpv ("IO::AIO" , 1);
920	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1543	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
921	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1544	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1545	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
922		1546
923	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1547	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
924	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1548	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
925		1549
926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1550	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		1551
		1552	/* allocate dummy pipe fd for aio_close */
		1553	{
		1554	int pipefd [2];
		1555
		1556	if (
		1557	#ifdef _WIN32
		1558	_pipe (pipefd, 1, _O_BINARY) < 0
		1559	#else
		1560	pipe (pipefd) < 0
		1561	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1562	#endif
		1563	|| close (pipefd [1]) < 0
		1564	)
		1565	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1566
		1567	close_fd = pipefd [0];
		1568	}
927		1569
928	reinit ();	1570	reinit ();
929	}	1571	}
930		1572
931	void	1573	void
932	reinit ()	1574	reinit ()
933	PROTOTYPE:	1575	PROTOTYPE:
934	CODE:
935	reinit ();
936		1576
937	void	1577	void
938	max_poll_reqs (unsigned int nreqs)	1578	max_poll_reqs (unsigned int nreqs)
939	PROTOTYPE: $	1579	PROTOTYPE: $
940	CODE:	1580	CODE:
…		…
975	PROTOTYPE: $	1615	PROTOTYPE: $
976	CODE:	1616	CODE:
977	max_outstanding = maxreqs;	1617	max_outstanding = maxreqs;
978		1618
979	void	1619	void
980	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1620	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
981	PPCODE:	1621	PPCODE:
982	{	1622	{
983	dREQ;	1623	dREQ;
984		1624
		1625	req->type = EIO_WD_OPEN;
		1626	req_set_path1 (req, pathname);
		1627
		1628	REQ_SEND;
		1629	}
		1630
		1631	void
		1632	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1633	PPCODE:
		1634	{
		1635	dREQ;
		1636
985	req->type = EIO_OPEN;	1637	req->type = EIO_OPEN;
986	req->sv1 = newSVsv (pathname);	1638	req_set_path1 (req, pathname);
987	req->ptr1 = SvPVbyte_nolen (req->sv1);
988	req->int1 = flags;	1639	req->int1 = flags;
989	req->int2 = mode;	1640	req->int2 = mode;
990		1641
991	REQ_SEND;	1642	REQ_SEND;
992	}	1643	}
993		1644
994	void	1645	void
995	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1646	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
996	ALIAS:	1647	ALIAS:
997	aio_fsync = EIO_FSYNC	1648	aio_fsync = EIO_FSYNC
998	aio_fdatasync = EIO_FDATASYNC	1649	aio_fdatasync = EIO_FDATASYNC
		1650	aio_syncfs = EIO_SYNCFS
999	PPCODE:	1651	PPCODE:
1000	{	1652	{
1001	int fd = s_fileno_croak (fh, 0);	1653	int fd = s_fileno_croak (fh, 0);
1002	dREQ;	1654	dREQ;
1003		1655
1004	req->type = ix;	1656	req->type = ix;
1005	req->sv1 = newSVsv (fh);	1657	req->sv1 = newSVsv (fh);
1006	req->int1 = fd;	1658	req->int1 = fd;
1007		1659
1008	REQ_SEND (req);	1660	REQ_SEND;
1009	}	1661	}
1010		1662
1011	void	1663	void
1012	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1664	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1013	PPCODE:	1665	PPCODE:
1014	{	1666	{
1015	int fd = s_fileno_croak (fh, 0);	1667	int fd = s_fileno_croak (fh, 0);
1016	dREQ;	1668	dREQ;
1017		1669
1018	req->type = EIO_SYNC_FILE_RANGE;	1670	req->type = EIO_SYNC_FILE_RANGE;
1019	req->sv1 = newSVsv (fh);	1671	req->sv1 = newSVsv (fh);
1020	req->int1 = fd;	1672	req->int1 = fd;
1021	req->offs = offset;	1673	req->offs = offset;
1022	req->size = nbytes;	1674	req->size = nbytes;
1023	req->int2 = flags;	1675	req->int2 = flags;
1024		1676
1025	REQ_SEND (req);	1677	REQ_SEND;
1026	}	1678	}
1027		1679
1028	void	1680	void
1029	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1681	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1030	PPCODE:	1682	PPCODE:
1031	{	1683	{
1032	int fd = s_fileno_croak (fh, 0);	1684	int fd = s_fileno_croak (fh, 0);
1033	dREQ;	1685	dREQ;
1034		1686
1035	req->type = EIO_FALLOCATE;	1687	req->type = EIO_FALLOCATE;
1036	req->sv1 = newSVsv (fh);	1688	req->sv1 = newSVsv (fh);
1037	req->int1 = fd;	1689	req->int1 = fd;
1038	req->int2 = mode;	1690	req->int2 = mode;
1039	req->offs = offset;	1691	req->offs = offset;
1040	req->size = len;	1692	req->size = len;
1041		1693
1042	REQ_SEND (req);	1694	REQ_SEND;
1043	}	1695	}
1044		1696
1045	void	1697	void
1046	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1698	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1047	PPCODE:	1699	PPCODE:
1048	{	1700	{
1049	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1050	int fd = s_fileno_croak (fh, 0);	1701	int fd = s_fileno_croak (fh, 0);
1051	dREQ;	1702	dREQ;
		1703	#if 0
		1704	/* partially duplicate logic in s_fileno */
		1705	SvGETMAGIC (fh);
1052		1706
1053	if (expect_false (close_fd < 0))	1707	if (SvROK (fh))
		1708	{
		1709	fh = SvRV (fh);
		1710	SvGETMAGIC (fh);
		1711	}
		1712
		1713	if (SvTYPE (fh) == SVt_PVGV)
1054	{	1714	{
1055	int pipefd [2];	1715	/* perl filehandle */
		1716	PerlIOUnix_refcnt_inc (fd);
		1717	do_close ((GV *)fh, 1);
1056		1718
1057	if (	1719	req->type = EIO_CLOSE;
1058	#ifdef _WIN32	1720	req->int1 = fd;
1059	_pipe (pipefd, 1, _O_BINARY) < 0	1721	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1060	#else
1061	pipe (pipefd) < 0
1062	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1063	#endif
1064	|| close (pipefd [1]) < 0
1065	)
1066	abort (); /*D*/
1067
1068	close_fd = pipefd [0];
1069	}	1722	}
1070		1723	else
		1724	#endif
		1725	{
		1726	/* fd number */
1071	req->type = EIO_DUP2;	1727	req->type = EIO_DUP2;
1072	req->int1 = close_fd;	1728	req->int1 = close_fd;
		1729	req->sv2 = newSVsv (fh);
		1730	req->int2 = fd;
		1731	}
		1732
		1733	REQ_SEND;
		1734	}
		1735
		1736	void
		1737	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1738	PPCODE:
		1739	{
		1740	int fd = s_fileno_croak (fh, 0);
		1741	dREQ;
		1742
		1743	req->type = EIO_SEEK;
1073	req->sv2 = newSVsv (fh);	1744	req->sv1 = newSVsv (fh);
1074	req->int2 = fd;	1745	req->int1 = fd;
		1746	req->offs = SvVAL64 (offset);
		1747	req->int2 = whence;
1075		1748
1076	REQ_SEND (req);	1749	REQ_SEND;
1077	}	1750	}
1078		1751
1079	void	1752	void
1080	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1753	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1081	ALIAS:	1754	ALIAS:
1082	aio_read = EIO_READ	1755	aio_read = EIO_READ
1083	aio_write = EIO_WRITE	1756	aio_write = EIO_WRITE
1084	PPCODE:	1757	PPCODE:
1085	{	1758	{
…		…
1101	len = svlen - dataoffset;	1774	len = svlen - dataoffset;
1102	}	1775	}
1103	else	1776	else
1104	{	1777	{
1105	/* read: check type and grow scalar as necessary */	1778	/* read: check type and grow scalar as necessary */
1106	SvUPGRADE (data, SVt_PV);	1779	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1107	svptr = SvGROW (data, len + dataoffset + 1);	1780	svptr = sv_grow (data, len + dataoffset + 1);
		1781	else if (SvCUR (data) < len + dataoffset)
		1782	croak ("length + dataoffset outside of scalar, and cannot grow");
1108	}	1783	}
1109		1784
1110	{	1785	{
1111	dREQ;	1786	dREQ;
1112		1787
…		…
1128	REQ_SEND;	1803	REQ_SEND;
1129	}	1804	}
1130	}	1805	}
1131		1806
1132	void	1807	void
		1808	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1809	ALIAS:
		1810	aio_ioctl = EIO_IOCTL
		1811	aio_fcntl = EIO_FCNTL
		1812	PPCODE:
		1813	{
		1814	int fd = s_fileno_croak (fh, 0);
		1815	char *svptr;
		1816
		1817	if (SvPOK (arg) || !SvNIOK (arg))
		1818	{
		1819	STRLEN svlen;
		1820	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1821	#ifdef IOCPARM_LEN
		1822	STRLEN need = IOCPARM_LEN (request);
		1823	#else
		1824	STRLEN need = 256;
		1825	#endif
		1826
		1827	if (svlen < need)
		1828	svptr = SvGROW (arg, need);
		1829	}
		1830	else
		1831	svptr = (char *)SvIV (arg);
		1832
		1833	{
		1834	dREQ;
		1835
		1836	req->type = ix;
		1837	req->sv1 = newSVsv (fh);
		1838	req->int1 = fd;
		1839	req->int2 = (long)request;
		1840	req->sv2 = SvREFCNT_inc (arg);
		1841	req->ptr2 = svptr;
		1842
		1843	REQ_SEND;
		1844	}
		1845	}
		1846
		1847	void
1133	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1848	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1134	ALIAS:	1849	ALIAS:
1135	aio_readlink = EIO_READLINK	1850	aio_readlink = EIO_READLINK
1136	aio_realpath = EIO_REALPATH	1851	aio_realpath = EIO_REALPATH
1137	PPCODE:	1852	PPCODE:
1138	{	1853	{
1139	dREQ;	1854	dREQ;
1140		1855
1141	req->type = ix;	1856	req->type = ix;
1142	req->sv1 = newSVsv (path);	1857	req_set_path1 (req, pathname);
1143	req->ptr1 = SvPVbyte_nolen (req->sv1);
1144		1858
1145	REQ_SEND;	1859	REQ_SEND;
1146	}	1860	}
1147		1861
1148	void	1862	void
1149	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1863	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1150	PPCODE:	1864	PPCODE:
1151	{	1865	{
1152	int ifd = s_fileno_croak (in_fh , 0);	1866	int ifd = s_fileno_croak (in_fh , 0);
1153	int ofd = s_fileno_croak (out_fh, 1);	1867	int ofd = s_fileno_croak (out_fh, 1);
1154	dREQ;	1868	dREQ;
1155		1869
1156	req->type = EIO_SENDFILE;	1870	req->type = EIO_SENDFILE;
1157	req->sv1 = newSVsv (out_fh);	1871	req->sv1 = newSVsv (out_fh);
1158	req->int1 = ofd;	1872	req->int1 = ofd;
…		…
1163		1877
1164	REQ_SEND;	1878	REQ_SEND;
1165	}	1879	}
1166		1880
1167	void	1881	void
1168	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1882	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1169	PPCODE:	1883	PPCODE:
1170	{	1884	{
1171	int fd = s_fileno_croak (fh, 0);	1885	int fd = s_fileno_croak (fh, 0);
1172	dREQ;	1886	dREQ;
1173		1887
1174	req->type = EIO_READAHEAD;	1888	req->type = EIO_READAHEAD;
1175	req->sv1 = newSVsv (fh);	1889	req->sv1 = newSVsv (fh);
1176	req->int1 = fd;	1890	req->int1 = fd;
…		…
1179		1893
1180	REQ_SEND;	1894	REQ_SEND;
1181	}	1895	}
1182		1896
1183	void	1897	void
1184	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1898	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1185	ALIAS:	1899	ALIAS:
1186	aio_stat = EIO_STAT	1900	aio_stat = EIO_STAT
1187	aio_lstat = EIO_LSTAT	1901	aio_lstat = EIO_LSTAT
1188	aio_statvfs = EIO_STATVFS	1902	aio_statvfs = EIO_STATVFS
1189	PPCODE:	1903	PPCODE:
1190	{	1904	{
1191	dREQ;	1905	dREQ;
1192		1906
1193	req->sv1 = newSVsv (fh_or_path);	1907	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1194
1195	if (SvPOK (req->sv1))
1196	{
1197	req->type = ix;
1198	req->ptr1 = SvPVbyte_nolen (req->sv1);
1199	}
1200	else
1201	{
1202	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1203	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1204	}
1205		1908
1206	REQ_SEND;	1909	REQ_SEND;
1207	}	1910	}
		1911
		1912	void
		1913	st_xtime ()
		1914	ALIAS:
		1915	st_atime = 0x01
		1916	st_mtime = 0x02
		1917	st_ctime = 0x04
		1918	st_btime = 0x08
		1919	st_xtime = 0x0f
		1920	PPCODE:
		1921	EXTEND (SP, 4);
		1922	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1923	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1924	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1925	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1926
		1927	void
		1928	st_xtimensec ()
		1929	ALIAS:
		1930	st_atimensec = 0x01
		1931	st_mtimensec = 0x02
		1932	st_ctimensec = 0x04
		1933	st_btimensec = 0x08
		1934	st_xtimensec = 0x0f
		1935	st_btimesec = 0x10
		1936	st_gen = 0x20
		1937	PPCODE:
		1938	EXTEND (SP, 4);
		1939	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1940	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1941	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1942	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1943	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1944	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1208		1945
1209	UV	1946	UV
1210	major (UV dev)	1947	major (UV dev)
1211	ALIAS:	1948	ALIAS:
1212	minor = 1	1949	minor = 1
1213	CODE:	1950	CODE:
1214	RETVAL = ix ? major (dev) : minor (dev);	1951	RETVAL = ix ? minor (dev) : major (dev);
1215	OUTPUT:	1952	OUTPUT:
1216	RETVAL	1953	RETVAL
1217		1954
1218	UV	1955	UV
1219	makedev (UV maj, UV min)	1956	makedev (UV maj, UV min)
…		…
1221	RETVAL = makedev (maj, min);	1958	RETVAL = makedev (maj, min);
1222	OUTPUT:	1959	OUTPUT:
1223	RETVAL	1960	RETVAL
1224		1961
1225	void	1962	void
1226	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1963	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1227	PPCODE:	1964	PPCODE:
1228	{	1965	{
1229	dREQ;	1966	dREQ;
1230		1967
1231	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1968	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1232	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1969	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1233	req->sv1 = newSVsv (fh_or_path);	1970	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1234
1235	if (SvPOK (req->sv1))
1236	{
1237	req->type = EIO_UTIME;
1238	req->ptr1 = SvPVbyte_nolen (req->sv1);
1239	}
1240	else
1241	{
1242	req->type = EIO_FUTIME;
1243	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1244	}
1245		1971
1246	REQ_SEND;	1972	REQ_SEND;
1247	}	1973	}
1248		1974
1249	void	1975	void
1250	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1976	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1251	PPCODE:	1977	PPCODE:
1252	{	1978	{
1253	dREQ;	1979	dREQ;
1254		1980
1255	req->sv1 = newSVsv (fh_or_path);
1256	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1981	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1257		1982	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1258	if (SvPOK (req->sv1))
1259	{
1260	req->type = EIO_TRUNCATE;
1261	req->ptr1 = SvPVbyte_nolen (req->sv1);
1262	}
1263	else
1264	{
1265	req->type = EIO_FTRUNCATE;
1266	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1267	}
1268		1983
1269	REQ_SEND;	1984	REQ_SEND;
1270	}	1985	}
1271		1986
1272	void	1987	void
1273	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1988	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1274	ALIAS:
1275	aio_chmod = EIO_CHMOD
1276	aio_mkdir = EIO_MKDIR
1277	PPCODE:	1989	PPCODE:
1278	{	1990	{
1279	dREQ;	1991	dREQ;
1280		1992
1281	req->int2 = mode;	1993	req->int2 = mode;
1282	req->sv1 = newSVsv (fh_or_path);	1994	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1283
1284	if (SvPOK (req->sv1))
1285	{
1286	req->type = ix;
1287	req->ptr1 = SvPVbyte_nolen (req->sv1);
1288	}
1289	else
1290	{
1291	req->type = EIO_FCHMOD;
1292	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1293	}
1294		1995
1295	REQ_SEND;	1996	REQ_SEND;
1296	}	1997	}
1297		1998
1298	void	1999	void
1299	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	2000	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1300	PPCODE:	2001	PPCODE:
1301	{	2002	{
1302	dREQ;	2003	dREQ;
1303		2004
1304	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	2005	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1305	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	2006	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1306	req->sv1 = newSVsv (fh_or_path);	2007	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1307
1308	if (SvPOK (req->sv1))
1309	{
1310	req->type = EIO_CHOWN;
1311	req->ptr1 = SvPVbyte_nolen (req->sv1);
1312	}
1313	else
1314	{
1315	req->type = EIO_FCHOWN;
1316	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1317	}
1318		2008
1319	REQ_SEND;	2009	REQ_SEND;
1320	}	2010	}
1321		2011
1322	void	2012	void
1323	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	2013	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1324	PPCODE:	2014	PPCODE:
1325	{	2015	{
1326	dREQ;	2016	dREQ;
1327		2017
1328	req->type = EIO_READDIR;	2018	req->type = EIO_READDIR;
1329	req->sv1 = newSVsv (pathname);
1330	req->ptr1 = SvPVbyte_nolen (req->sv1);
1331	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	2019	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1332		2020
1333	if (flags & EIO_READDIR_DENTS)	2021	if (flags & EIO_READDIR_DENTS)
1334	req->int1 |= EIO_READDIR_CUSTOM2;	2022	req->int1 |= EIO_READDIR_CUSTOM2;
1335		2023
		2024	req_set_path1 (req, pathname);
		2025
1336	REQ_SEND;	2026	REQ_SEND;
1337	}	2027	}
1338		2028
1339	void	2029	void
		2030	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		2031	PPCODE:
		2032	{
		2033	dREQ;
		2034
		2035	req->type = EIO_MKDIR;
		2036	req->int2 = mode;
		2037	req_set_path1 (req, pathname);
		2038
		2039	REQ_SEND;
		2040	}
		2041
		2042	void
1340	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	2043	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1341	ALIAS:	2044	ALIAS:
1342	aio_unlink = EIO_UNLINK	2045	aio_unlink = EIO_UNLINK
1343	aio_rmdir = EIO_RMDIR	2046	aio_rmdir = EIO_RMDIR
1344	aio_readdir = EIO_READDIR	2047	aio_readdir = EIO_READDIR
1345	PPCODE:	2048	PPCODE:
1346	{	2049	{
1347	dREQ;	2050	dREQ;
1348		2051
1349	req->type = ix;	2052	req->type = ix;
1350	req->sv1 = newSVsv (pathname);	2053	req_set_path1 (req, pathname);
1351	req->ptr1 = SvPVbyte_nolen (req->sv1);
1352		2054
1353	REQ_SEND;	2055	REQ_SEND;
1354	}	2056	}
1355		2057
1356	void	2058	void
1357	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	2059	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1358	ALIAS:	2060	ALIAS:
1359	aio_link = EIO_LINK	2061	aio_link = EIO_LINK
1360	aio_symlink = EIO_SYMLINK	2062	aio_symlink = EIO_SYMLINK
1361	aio_rename = EIO_RENAME	2063	aio_rename = EIO_RENAME
1362	PPCODE:	2064	PPCODE:
1363	{	2065	{
		2066	eio_wd wd2 = 0;
1364	dREQ;	2067	dREQ;
1365		2068
1366	req->type = ix;	2069	req->type = ix;
1367	req->sv1 = newSVsv (oldpath);	2070	req_set_path1 (req, oldpath);
1368	req->ptr1 = SvPVbyte_nolen (req->sv1);	2071	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1369	req->sv2 = newSVsv (newpath);	2072	req->int3 = (long)wd2;
1370	req->ptr2 = SvPVbyte_nolen (req->sv2);
1371		2073
1372	REQ_SEND;	2074	REQ_SEND;
1373	}	2075	}
1374		2076
1375	void	2077	void
		2078	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		2079	PPCODE:
		2080	{
		2081	eio_wd wd2 = 0;
		2082	dREQ;
		2083
		2084	req->type = EIO_RENAME;
		2085	req_set_path1 (req, oldpath);
		2086	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		2087	req->int2 = flags;
		2088	req->int3 = (long)wd2;
		2089
		2090	REQ_SEND;
		2091	}
		2092
		2093	void
1376	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	2094	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1377	PPCODE:	2095	PPCODE:
1378	{	2096	{
1379	dREQ;	2097	dREQ;
1380		2098
1381	req->type = EIO_MKNOD;	2099	req->type = EIO_MKNOD;
1382	req->sv1 = newSVsv (pathname);
1383	req->ptr1 = SvPVbyte_nolen (req->sv1);
1384	req->int2 = (mode_t)mode;	2100	req->int2 = (mode_t)mode;
1385	req->offs = dev;	2101	req->offs = dev;
		2102	req_set_path1 (req, pathname);
1386		2103
1387	REQ_SEND;	2104	REQ_SEND;
1388	}	2105	}
1389		2106
1390	void	2107	void
1391	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	2108	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1392	ALIAS:	2109	ALIAS:
1393	aio_mtouch = EIO_MTOUCH	2110	aio_mtouch = EIO_MTOUCH
1394	aio_msync = EIO_MSYNC	2111	aio_msync = EIO_MSYNC
1395	PPCODE:	2112	PPCODE:
1396	{	2113	{
1397	STRLEN svlen;	2114	STRLEN svlen;
1398	char *svptr = SvPVbyte (data, svlen);	2115	char *svptr = SvPVbyte (data, svlen);
1399	UV len = SvUV (length);	2116	UV len = SvUV (length);
		2117
		2118	if (flags < 0)
		2119	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1400		2120
1401	if (offset < 0)	2121	if (offset < 0)
1402	offset += svlen;	2122	offset += svlen;
1403		2123
1404	if (offset < 0 || offset > svlen)	2124	if (offset < 0 || offset > svlen)
…		…
1419	REQ_SEND;	2139	REQ_SEND;
1420	}	2140	}
1421	}	2141	}
1422		2142
1423	void	2143	void
1424	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	2144	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1425	PPCODE:	2145	PPCODE:
1426	{	2146	{
1427	STRLEN svlen;	2147	STRLEN svlen;
1428	char *svptr = SvPVbyte (data, svlen);	2148	char *svptr = SvPVbyte (data, svlen);
1429	UV len = SvUV (length);	2149	UV len = SvUV (length);
…		…
1448	REQ_SEND;	2168	REQ_SEND;
1449	}	2169	}
1450	}	2170	}
1451		2171
1452	void	2172	void
1453	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2173	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1454	PPCODE:	2174	PPCODE:
1455	{	2175	{
1456	dREQ;	2176	dREQ;
1457		2177
1458	req->type = EIO_MLOCKALL;	2178	req->type = EIO_MLOCKALL;
…		…
1460		2180
1461	REQ_SEND;	2181	REQ_SEND;
1462	}	2182	}
1463		2183
1464	void	2184	void
		2185	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		2186	PPCODE:
		2187	{
		2188	int fd = s_fileno_croak (fh, 0);
		2189	dREQ;
		2190
		2191	req->type = EIO_CUSTOM;
		2192	req->sv1 = newSVsv (fh);
		2193	req->int1 = fd;
		2194
		2195	req->feed = fiemap;
		2196	#if HAVE_FIEMAP
		2197	/* keep our fingers crossed that the next two types are 64 bit */
		2198	req->offs = start;
		2199	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		2200	req->int2 = flags;
		2201	req->int3 = SvOK (count) ? SvIV (count) : -1;
		2202	#endif
		2203
		2204	REQ_SEND;
		2205	}
		2206
		2207	void
		2208	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2209	PPCODE:
		2210	{
		2211	char *svptr = 0;
		2212
		2213	sv_clear_foreign (data);
		2214
		2215	if (length) /* known length, directly read into scalar */
		2216	{
		2217	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2218	svptr = sv_grow (data, length + 1);
		2219	else if (SvCUR (data) < length)
		2220	croak ("length outside of scalar, and cannot grow");
		2221	else
		2222	svptr = SvPVbyte_nolen (data);
		2223	}
		2224
		2225	{
		2226	dREQ;
		2227
		2228	req->type = EIO_SLURP;
		2229	req_set_path1 (req, pathname);
		2230	req->offs = offset;
		2231	req->size = length;
		2232	req->sv2 = SvREFCNT_inc (data);
		2233	req->ptr2 = svptr;
		2234
		2235	if (!SvREADONLY (data))
		2236	{
		2237	SvREADONLY_on (data);
		2238	req->flags |= FLAG_SV2_RO_OFF;
		2239	}
		2240
		2241	REQ_SEND;
		2242	}
		2243	}
		2244
		2245	void
1465	aio_busy (double delay, SV *callback=&PL_sv_undef)	2246	aio_busy (double delay, SV *callback = &PL_sv_undef)
1466	PPCODE:	2247	PPCODE:
1467	{	2248	{
1468	dREQ;	2249	dREQ;
1469		2250
1470	req->type = EIO_BUSY;	2251	req->type = EIO_BUSY;
…		…
1472		2253
1473	REQ_SEND;	2254	REQ_SEND;
1474	}	2255	}
1475		2256
1476	void	2257	void
1477	aio_group (SV *callback=&PL_sv_undef)	2258	aio_group (SV *callback = &PL_sv_undef)
1478	PPCODE:	2259	PPCODE:
1479	{	2260	{
1480	dREQ;	2261	dREQ;
1481		2262
1482	req->type = EIO_GROUP;	2263	req->type = EIO_GROUP;
1483		2264
		2265	PUTBACK;
1484	req_submit (req);	2266	req_submit (req);
		2267	SPAGAIN;
		2268
1485	XPUSHs (req_sv (req, aio_grp_stash));	2269	XPUSHs (req_sv (req, aio_grp_stash));
1486	}	2270	}
1487		2271
1488	void	2272	void
1489	aio_nop (SV *callback=&PL_sv_undef)	2273	aio_nop (SV *callback = &PL_sv_undef)
1490	ALIAS:	2274	ALIAS:
1491	aio_nop = EIO_NOP	2275	aio_nop = EIO_NOP
1492	aio_sync = EIO_SYNC	2276	aio_sync = EIO_SYNC
1493	PPCODE:	2277	PPCODE:
1494	{	2278	{
…		…
1498		2282
1499	REQ_SEND;	2283	REQ_SEND;
1500	}	2284	}
1501		2285
1502	int	2286	int
1503	aioreq_pri (int pri = 0)	2287	aioreq_pri (int pri = NO_INIT)
1504	CODE:	2288	CODE:
1505	RETVAL = next_pri;	2289	RETVAL = next_pri;
1506	if (items > 0)	2290	if (items > 0)
1507	{	2291	{
1508	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2292	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1590	CODE:	2374	CODE:
1591	RETVAL = posix_fadvise (fh, offset, length, advice);	2375	RETVAL = posix_fadvise (fh, offset, length, advice);
1592	OUTPUT:	2376	OUTPUT:
1593	RETVAL	2377	RETVAL
1594		2378
1595	ssize_t	2379	IV
1596	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	2380	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1597	CODE:	2381	CODE:
1598	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2382	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1599	OUTPUT:	2383	OUTPUT:
1600	RETVAL	2384	RETVAL
1601		2385
1602	void	2386	void
1603	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	2387	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1604	PPCODE:	2388	PPCODE:
1605	sv_unmagic (scalar, MMAP_MAGIC);	2389	sv_clear_foreign (scalar);
1606	{	2390	{
1607	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2391	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1608	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2392	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1609	if (addr == (void *)-1)	2393	if (addr == (void *)-1)
1610	XSRETURN_NO;	2394	XSRETURN_NO;
1611		2395
1612	sv_force_normal (scalar);	2396	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1613
1614	/* we store the length in mg_obj, as namlen is I32 :/ */
1615	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1616	->mg_obj = (SV *)length;
1617
1618	SvUPGRADE (scalar, SVt_PV); /* nop... */
1619		2397
1620	if (!(prot & PROT_WRITE))	2398	if (!(prot & PROT_WRITE))
1621	SvREADONLY_on (scalar);	2399	SvREADONLY_on (scalar);
1622		2400
1623	if (SvLEN (scalar))
1624	Safefree (SvPVX (scalar));
1625
1626	SvPVX (scalar) = (char *)addr;
1627	SvCUR_set (scalar, length);
1628	SvLEN_set (scalar, 0);
1629	SvPOK_only (scalar);
1630
1631	XSRETURN_YES;	2401	XSRETURN_YES;
1632	}	2402	}
1633		2403
1634	void	2404	void
1635	munmap (SV *scalar)	2405	munmap (SV *scalar)
1636	CODE:	2406	CODE:
1637	sv_unmagic (scalar, MMAP_MAGIC);	2407	sv_clear_foreign (scalar);
		2408
		2409	SV *
		2410	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2411	CODE:
		2412	{
		2413	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2414	void *new;
		2415
		2416	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2417	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2418
		2419	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2420
		2421	RETVAL = &PL_sv_no;
		2422
		2423	if (new != (void *)-1)
		2424	{
		2425	RETVAL = new == (void *)mg->mg_ptr
		2426	? newSVpvn ("0 but true", 10)
		2427	: &PL_sv_yes;
		2428
		2429	mg->mg_ptr = (char *)new;
		2430	mg->mg_obj = (SV *)new_length;
		2431
		2432	SvPVX (scalar) = mg->mg_ptr;
		2433	SvCUR_set (scalar, new_length);
		2434	}
		2435	}
		2436	OUTPUT:
		2437	RETVAL
1638		2438
1639	int	2439	int
1640	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2440	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1641	ALIAS:	2441	ALIAS:
1642	mprotect = 1	2442	mprotect = 1
1643	CODE:	2443	CODE:
1644	{	2444	{
1645	STRLEN svlen;	2445	STRLEN svlen;
1646	void *addr = SvPVbyte (scalar, svlen);	2446	void *addr = SvPVbyte (scalar, svlen);
1647	size_t len = SvUV (length);	2447	STRLEN len = SvUV (length);
1648		2448
1649	if (offset < 0)	2449	if (offset < 0)
1650	offset += svlen;	2450	offset += svlen;
1651		2451
1652	if (offset < 0 || offset > svlen)	2452	if (offset < 0 || offset > svlen)
…		…
1666	}	2466	}
1667	OUTPUT:	2467	OUTPUT:
1668	RETVAL	2468	RETVAL
1669		2469
1670	int	2470	int
1671	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2471	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1672	CODE:	2472	CODE:
1673	{	2473	{
1674	STRLEN svlen;	2474	STRLEN svlen;
1675	void *addr = SvPVbyte (scalar, svlen);	2475	void *addr = SvPVbyte (scalar, svlen);
1676	size_t len = SvUV (length);	2476	size_t len = SvUV (length);
1677		2477
1678	if (offset < 0)	2478	if (offset < 0)
1679	offset += svlen;	2479	offset += svlen;
1680		2480
…		…
1687	addr = (void *)(((intptr_t)addr) + offset);	2487	addr = (void *)(((intptr_t)addr) + offset);
1688	eio_page_align (&addr, &len);	2488	eio_page_align (&addr, &len);
1689	#if _POSIX_MEMLOCK_RANGE	2489	#if _POSIX_MEMLOCK_RANGE
1690	RETVAL = munlock (addr, len);	2490	RETVAL = munlock (addr, len);
1691	#else	2491	#else
1692	RETVAL = ((errno = ENOSYS), -1);	2492	RETVAL = EIO_ENOSYS ();
1693	#endif	2493	#endif
1694	}	2494	}
1695	OUTPUT:	2495	OUTPUT:
		2496	RETVAL
		2497
		2498	int
		2499	mlockall (int flags)
		2500	PROTOTYPE: $;
		2501	CODE:
		2502	RETVAL = eio_mlockall_sync (flags);
		2503	OUTPUT:
1696	RETVAL	2504	RETVAL
1697		2505
1698	int	2506	int
1699	munlockall ()	2507	munlockall ()
1700	CODE:	2508	CODE:
1701	#if _POSIX_MEMLOCK	2509	#if _POSIX_MEMLOCK
1702	munlockall ();	2510	munlockall ();
1703	#else	2511	#else
1704	RETVAL = -1;	2512	RETVAL = EIO_ENOSYS ();
1705	errno = ENOSYS;
1706	#endif	2513	#endif
1707	OUTPUT:	2514	OUTPUT:
1708	RETVAL	2515	RETVAL
		2516
		2517	int
		2518	statx (SV8 *pathname, int flags, UV mask)
		2519	CODE:
		2520	{
		2521	/* undocumented, and might go away, and anyway, should use eio_statx */
		2522	SV *wdsv = 0;
		2523	SV *pathsv = 0;
		2524	eio_wd wd = EIO_CWD;
		2525	void *ptr;
		2526	int res;
		2527
		2528	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2529	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2530
		2531	SvREFCNT_dec (pathsv);
		2532	SvREFCNT_dec (wdsv);
		2533	}
		2534	OUTPUT:
		2535	RETVAL
		2536
		2537	U32
		2538	stx_mode ()
		2539	PROTOTYPE:
		2540	CODE:
		2541	#if HAVE_STATX
		2542	RETVAL = stx.stx_mode;
		2543	#else
		2544	XSRETURN_UNDEF;
		2545	#endif
		2546	OUTPUT:
		2547	RETVAL
		2548
		2549	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2550	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2551	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2552	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2553	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2554	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2555	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2556	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2557	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2558	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2559	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2560	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2561	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2562	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2563	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2564	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2565	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2566	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2567
		2568	U32
		2569	stx_mask ()
		2570	PROTOTYPE:
		2571	ALIAS:
		2572	stx_mask = STATX_OFFSET_mask
		2573	stx_blksize = STATX_OFFSET_blksize
		2574	stx_nlink = STATX_OFFSET_nlink
		2575	stx_uid = STATX_OFFSET_uid
		2576	stx_gid = STATX_OFFSET_gid
		2577	stx_rdev_major = STATX_OFFSET_rdev_major
		2578	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2579	stx_dev_major = STATX_OFFSET_dev_major
		2580	stx_dev_minor = STATX_OFFSET_dev_minor
		2581	CODE:
		2582	#if HAVE_STATX
		2583	RETVAL = *(__u32 *)((char *)&stx + ix);
		2584	#else
		2585	XSRETURN_UNDEF;
		2586	#endif
		2587	OUTPUT:
		2588	RETVAL
		2589
		2590	VAL64
		2591	stx_attributes ()
		2592	PROTOTYPE:
		2593	ALIAS:
		2594	stx_attributes = STATX_OFFSET_attributes
		2595	stx_ino = STATX_OFFSET_ino
		2596	stx_size = STATX_OFFSET_size
		2597	stx_blocks = STATX_OFFSET_blocks
		2598	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2599	CODE:
		2600	#if HAVE_STATX
		2601	RETVAL = *(__u64 *)((char *)&stx + ix);
		2602	#else
		2603	XSRETURN_UNDEF;
		2604	#endif
		2605	OUTPUT:
		2606	RETVAL
		2607
		2608	NV
		2609	stx_atime ()
		2610	PROTOTYPE:
		2611	ALIAS:
		2612	stx_atime = STATX_OFFSET_atime
		2613	stx_btime = STATX_OFFSET_btime
		2614	stx_ctime = STATX_OFFSET_ctime
		2615	stx_mtime = STATX_OFFSET_mtime
		2616	CODE:
		2617	#if HAVE_STATX
		2618	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2619	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2620	#else
		2621	XSRETURN_UNDEF;
		2622	#endif
		2623	OUTPUT:
		2624	RETVAL
		2625
		2626	VAL64
		2627	stx_atimesec ()
		2628	PROTOTYPE:
		2629	ALIAS:
		2630	stx_atimesec = STATX_OFFSET_atime
		2631	stx_btimesec = STATX_OFFSET_btime
		2632	stx_ctimesec = STATX_OFFSET_ctime
		2633	stx_mtimesec = STATX_OFFSET_mtime
		2634	CODE:
		2635	#if HAVE_STATX
		2636	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2637	RETVAL = ts->tv_sec;
		2638	#else
		2639	XSRETURN_UNDEF;
		2640	#endif
		2641	OUTPUT:
		2642	RETVAL
		2643
		2644	U32
		2645	stx_atimensec ()
		2646	PROTOTYPE:
		2647	ALIAS:
		2648	stx_atimensec = STATX_OFFSET_atime
		2649	stx_btimensec = STATX_OFFSET_btime
		2650	stx_ctimensec = STATX_OFFSET_ctime
		2651	stx_mtimensec = STATX_OFFSET_mtime
		2652	CODE:
		2653	#if HAVE_STATX
		2654	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2655	RETVAL = ts->tv_nsec;
		2656	#else
		2657	RETVAL = 0;
		2658	#endif
		2659	OUTPUT:
		2660	RETVAL
		2661
		2662	void
		2663	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2664	PPCODE:
		2665	{
		2666	SV *retval;
		2667	#if HAVE_ACCEPT4
		2668	socklen_t salen_ = salen ? salen + 1 : 0;
		2669
		2670	if (salen)
		2671	{
		2672	sv_upgrade (sockaddr, SVt_PV);
		2673	sv_grow (sockaddr, salen_);
		2674	}
		2675
		2676	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2677
		2678	retval = newmortalFH (res, O_RDWR);
		2679
		2680	if (res >= 0 && salen > 0)
		2681	{
		2682	if (salen_ > salen + 1)
		2683	salen_ = salen + 1;
		2684
		2685	SvPOK_only (sockaddr);
		2686	SvCUR_set (sockaddr, salen_);
		2687	}
		2688	#else
		2689	errno = ENOSYS;
		2690	retval = &PL_sv_undef;
		2691	#endif
		2692	XPUSHs (retval);
		2693	}
		2694
		2695	ssize_t
		2696	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2697	CODE:
		2698	{
		2699	#if HAVE_LINUX_SPLICE
		2700	loff_t off_in_, off_out_;
		2701	RETVAL = splice (
		2702	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2703	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2704	length, flags
		2705	);
		2706	#else
		2707	RETVAL = EIO_ENOSYS ();
		2708	#endif
		2709	}
		2710	OUTPUT:
		2711	RETVAL
		2712
		2713	ssize_t
		2714	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2715	CODE:
		2716	#if HAVE_LINUX_SPLICE
		2717	RETVAL = tee (rfh, wfh, length, flags);
		2718	#else
		2719	RETVAL = EIO_ENOSYS ();
		2720	#endif
		2721	OUTPUT:
		2722	RETVAL
		2723
		2724	int
		2725	pipesize (aio_rfd rfh, int new_size = -1)
		2726	PROTOTYPE: $;$
		2727	CODE:
		2728	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2729	if (new_size >= 0)
		2730	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2731	else
		2732	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2733	#else
		2734	errno = ENOSYS;
		2735	RETVAL = -1;
		2736	#endif
		2737	OUTPUT:
		2738	RETVAL
		2739
		2740	void
		2741	pipe2 (int flags = 0)
		2742	PROTOTYPE: ;$
		2743	PPCODE:
		2744	{
		2745	int fd[2];
		2746	int res;
		2747
		2748	if (flags)
		2749	#if HAVE_PIPE2
		2750	res = pipe2 (fd, flags);
		2751	#else
		2752	res = (errno = ENOSYS, -1);
		2753	#endif
		2754	else
		2755	res = pipe (fd);
		2756
		2757	if (!res)
		2758	{
		2759	EXTEND (SP, 2);
		2760	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2761	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2762	}
		2763	}
		2764
		2765	void
		2766	pidfd_open (int pid, unsigned int flags = 0)
		2767	PPCODE:
		2768	{
		2769	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2770	int fd = syscall (SYS_pidfd_open, pid, flags);
		2771	XPUSHs (newmortalFH (fd, O_RDWR));
		2772	}
		2773
		2774	int
		2775	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2776	PPCODE:
		2777	{
		2778	int res;
		2779	#if HAVE_SIGINFO_T
		2780	siginfo_t si = { 0 };
		2781
		2782	if (SvOK (siginfo))
		2783	{
		2784	HV *hv;
		2785	SV **svp;
		2786
		2787	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2788	croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
		2789
		2790	hv = (HV *)SvRV (siginfo);
		2791
		2792	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2793	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2794	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2795	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2796	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2797	}
		2798
		2799	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2800	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2801	#else
		2802	res = (errno = ENOSYS, -1);
		2803	#endif
		2804
		2805	XPUSHs (sv_2mortal (newSViv (res)));
		2806	}
		2807
		2808	void
		2809	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2810	PPCODE:
		2811	{
		2812	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2813	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2814	XPUSHs (newmortalFH (fd, O_RDWR));
		2815	}
		2816
		2817	void
		2818	eventfd (unsigned int initval = 0, int flags = 0)
		2819	PPCODE:
		2820	{
		2821	int fd;
		2822	#if HAVE_EVENTFD
		2823	fd = eventfd (initval, flags);
		2824	#else
		2825	fd = (errno = ENOSYS, -1);
		2826	#endif
		2827
		2828	XPUSHs (newmortalFH (fd, O_RDWR));
		2829	}
		2830
		2831	void
		2832	timerfd_create (int clockid, int flags = 0)
		2833	PPCODE:
		2834	{
		2835	int fd;
		2836	#if HAVE_TIMERFD
		2837	fd = timerfd_create (clockid, flags);
		2838	#else
		2839	fd = (errno = ENOSYS, -1);
		2840	#endif
		2841
		2842	XPUSHs (newmortalFH (fd, O_RDWR));
		2843	}
		2844
		2845	void
		2846	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2847	PPCODE:
		2848	{
		2849	int fd = s_fileno_croak (fh, 0);
		2850	#if HAVE_TIMERFD
		2851	int res;
		2852	struct itimerspec its, ots;
		2853
		2854	ts_set (&its.it_interval, interval);
		2855	ts_set (&its.it_value , value);
		2856	res = timerfd_settime (fd, flags, &its, &ots);
		2857
		2858	if (!res)
		2859	{
		2860	EXTEND (SP, 2);
		2861	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2862	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2863	}
		2864	#else
		2865	errno = ENOSYS;
		2866	#endif
		2867	}
		2868
		2869	void
		2870	timerfd_gettime (SV *fh)
		2871	PPCODE:
		2872	{
		2873	int fd = s_fileno_croak (fh, 0);
		2874	#if HAVE_TIMERFD
		2875	int res;
		2876	struct itimerspec ots;
		2877	res = timerfd_gettime (fd, &ots);
		2878
		2879	if (!res)
		2880	{
		2881	EXTEND (SP, 2);
		2882	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2883	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2884	}
		2885	#else
		2886	errno = ENOSYS;
		2887	#endif
		2888	}
		2889
		2890	void
		2891	memfd_create (octet_string pathname, int flags = 0)
		2892	PPCODE:
		2893	{
		2894	int fd;
		2895	#if HAVE_MEMFD_CREATE
		2896	fd = memfd_create (pathname, flags);
		2897	#else
		2898	fd = (errno = ENOSYS, -1);
		2899	#endif
		2900
		2901	XPUSHs (newmortalFH (fd, O_RDWR));
		2902	}
		2903
		2904	int
		2905	fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
		2906	CODE:
		2907	{
		2908	int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
		2909	char **envp, **argv;
		2910	argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
		2911	if (!SvOK (envs))
		2912	{
		2913	extern char **environ;
		2914	envp = environ;
		2915	}
		2916	else
		2917	envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
		2918	#if _POSIX_VERSION >= 200809L
		2919	RETVAL = fexecve (fd, argv, envp);
		2920	#else
		2921	RETVAL = (errno = ENOSYS, -1);
		2922	#endif
		2923	}
		2924	OUTPUT: RETVAL
		2925
		2926	int
		2927	mount (octet_string special, octet_string path, octet_string fstype, UV flags = 0, octet_string_ornull data = 0)
		2928	CODE:
		2929	#if HAVE_MOUNT
		2930	RETVAL = mount (special, path, fstype, flags, data);
		2931	#else
		2932	RETVAL = (errno = ENOSYS, -1);
		2933	#endif
		2934	OUTPUT: RETVAL
		2935
		2936	int
		2937	umount (octet_string path, int flags = 0)
		2938	CODE:
		2939	if (flags)
		2940	#if HAVE_UMOUNT2
		2941	RETVAL = umount2 (path, flags);
		2942	#else
		2943	RETVAL = (errno = ENOSYS, -1);
		2944	#endif
		2945	else
		2946	#if HAVE_UMOUNT
		2947	RETVAL = umount (path);
		2948	#else
		2949	RETVAL = (errno = ENOSYS, -1);
		2950	#endif
		2951	OUTPUT: RETVAL
		2952
		2953	UV
		2954	get_fdlimit ()
		2955	CODE:
		2956	#if HAVE_RLIMITS
		2957	struct rlimit rl;
		2958	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2959	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2960	#endif
		2961	XSRETURN_UNDEF;
		2962	OUTPUT:
		2963	RETVAL
		2964
		2965	void
		2966	min_fdlimit (UV limit = 0x7fffffffU)
		2967	CODE:
		2968	{
		2969	#if HAVE_RLIMITS
		2970	struct rlimit rl;
		2971	rlim_t orig_rlim_max;
		2972	UV bit;
		2973
		2974	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2975	goto fail;
		2976
		2977	if (rl.rlim_cur == RLIM_INFINITY)
		2978	XSRETURN_YES;
		2979
		2980	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2981
		2982	if (rl.rlim_cur < limit)
		2983	{
		2984	rl.rlim_cur = limit;
		2985
		2986	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2987	rl.rlim_max = rl.rlim_cur;
		2988	}
		2989
		2990	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2991	XSRETURN_YES;
		2992
		2993	if (errno == EPERM)
		2994	{
		2995	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2996	/* our limit overflows a system-wide limit */
		2997	/* try an adaptive algorithm, but do not lower the hardlimit */
		2998	rl.rlim_max = 0;
		2999	for (bit = 0x40000000U; bit; bit >>= 1)
		3000	{
		3001	rl.rlim_max |= bit;
		3002	rl.rlim_cur = rl.rlim_max;
		3003
		3004	/* never decrease the hard limit */
		3005	if (rl.rlim_max < orig_rlim_max)
		3006	break;
		3007
		3008	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		3009	rl.rlim_max &= ~bit; /* too high, remove bit again */
		3010	}
		3011
		3012	/* now, raise the soft limit to the max permitted */
		3013	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		3014	{
		3015	rl.rlim_cur = rl.rlim_max;
		3016	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		3017	errno = EPERM;
		3018	}
		3019	}
		3020	#endif
		3021	fail:
		3022	XSRETURN_UNDEF;
		3023	}
1709		3024
1710	void _on_next_submit (SV *cb)	3025	void _on_next_submit (SV *cb)
1711	CODE:	3026	CODE:
1712	SvREFCNT_dec (on_next_submit);	3027	SvREFCNT_dec (on_next_submit);
1713	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	3028	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1714		3029
1715	PROTOTYPES: DISABLE	3030	PROTOTYPES: DISABLE
1716		3031
		3032	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		3033
		3034	BOOT:
		3035	{
		3036	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		3037	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		3038	}
		3039
		3040	void
		3041	DESTROY (SV *self)
		3042	CODE:
		3043	{
		3044	aio_wd wd = SvAIO_WD (self);
		3045	#if HAVE_AT
		3046	{
		3047	SV *callback = &PL_sv_undef;
		3048	dREQ; /* clobbers next_pri :/ */
		3049	next_pri = req->pri; /* restore next_pri */
		3050	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		3051	req->type = EIO_WD_CLOSE;
		3052	req->wd = wd;
		3053	REQ_SEND;
		3054	}
		3055	#else
		3056	eio_wd_close_sync (wd);
		3057	#endif
		3058	}
		3059
1717	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	3060	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1718		3061
1719	void	3062	void
1720	cancel (aio_req_ornot req)	3063	cancel (aio_req_ornot req)
1721	CODE:	3064	CODE:
1722	eio_cancel (req);	3065	eio_cancel (req);
1723		3066
1724	void	3067	void
1725	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	3068	cb (aio_req_ornot req, SV *callback = NO_INIT)
1726	PPCODE:	3069	PPCODE:
1727	{	3070	{
1728	if (GIMME_V != G_VOID)	3071	if (GIMME_V != G_VOID)
1729	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	3072	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1730		3073
1731	if (items > 1)	3074	if (items > 1)
1732	{	3075	{
1733	SV *cb_cv =get_cb (callback);	3076	SV *cb_cv = get_cb (callback);
1734		3077
1735	SvREFCNT_dec (req->callback);	3078	SvREFCNT_dec (req->callback);
1736	req->callback = SvREFCNT_inc (cb_cv);	3079	req->callback = SvREFCNT_inc (cb_cv);
1737	}	3080	}
1738	}	3081	}
…		…
1795	limit (aio_req grp, int limit)	3138	limit (aio_req grp, int limit)
1796	CODE:	3139	CODE:
1797	eio_grp_limit (grp, limit);	3140	eio_grp_limit (grp, limit);
1798		3141
1799	void	3142	void
1800	feed (aio_req grp, SV *callback=&PL_sv_undef)	3143	feed (aio_req grp, SV *callback = &PL_sv_undef)
1801	CODE:	3144	CODE:
1802	{	3145	{
1803	SvREFCNT_dec (grp->sv2);	3146	SvREFCNT_dec (grp->sv2);
1804	grp->sv2 = newSVsv (callback);	3147	grp->sv2 = newSVsv (callback);
1805	grp->feed = aio_grp_feed;	3148	grp->feed = aio_grp_feed;

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