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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC vs.
Revision 1.285 by root, Tue Dec 29 15:16:28 2020 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8	#include "perliol.h"
8		9
9	#include "schmorp.h"	10	#if !defined mg_findext
		11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		12	#endif
10		13
11	#include <stddef.h>	14	#include <stddef.h>
12	#include <stdlib.h>	15	#include <stdlib.h>
13	#include <errno.h>	16	#include <errno.h>
14	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
15	#include <sys/stat.h>	19	#include <sys/stat.h>
16	#include <limits.h>	20	#include <limits.h>
17	#include <fcntl.h>	21	#include <fcntl.h>
18	#include <sched.h>	22	#include <sched.h>
19		23
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	24	/* the incompetent fool that created musl keeps __linux__, refuses
21	# include <sys/mman.h>	25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
		30	# include <linux/fs.h>
		31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
		33	# include <linux/fiemap.h>
		34	# define HAVE_FIEMAP 1
		35	# endif
22	#endif	36	#endif
23		37
24	/* perl namespace pollution */	38	/* perl namespace pollution */
25	#undef VERSION	39	#undef VERSION
26		40
…		…
30	#undef opendir	44	#undef opendir
31	#undef closedir	45	#undef closedir
32		46
33	#ifdef _WIN32	47	#ifdef _WIN32
34		48
35	#define EIO_STRUCT_DIRENT Direntry_t	49	// perl overrides all those nice libc functions
		50
36	#undef malloc	51	#undef malloc
37	#undef free	52	#undef free
38
39	// perl overrides all those nice libc functions
40	#undef open	53	#undef open
41	#undef read	54	#undef read
42	#undef write	55	#undef write
43	#undef send	56	#undef send
44	#undef recv	57	#undef recv
…		…
62	#undef fchmod	75	#undef fchmod
63	#undef dup	76	#undef dup
64	#undef dup2	77	#undef dup2
65	#undef abort	78	#undef abort
66	#undef pipe	79	#undef pipe
		80	#undef utime
		81
		82	#define EIO_STRUCT_STAT struct _stati64
		83	#define EIO_STRUCT_STATI64
67		84
68	#else	85	#else
69		86
70	#include <sys/time.h>	87	#include <sys/time.h>
71	#include <sys/select.h>	88	#include <sys/select.h>
72	#include <unistd.h>	89	#include <unistd.h>
73	#include <utime.h>	90	#include <utime.h>
74	#include <signal.h>	91	#include <signal.h>
75		92
76	#endif
77
78	#define EIO_STRUCT_STAT Stat_t	93	#define EIO_STRUCT_STAT Stat_t
79		94
80	/* use NV for 32 bit perls as it allows larger offsets */
81	#if IVSIZE >= 8
82	# define VAL64 IV
83	# define SvVAL64 SvIV
84	# define newSVval64 newSViv
85	#else
86	# define VAL64 NV
87	# define SvVAL64 SvNV
88	# define newSVval64 newSVnv
89	#endif	95	#endif
90		96
91	/*****************************************************************************/	97	/*****************************************************************************/
92		98
93	#if __GNUC__ >= 3	99	#if __GNUC__ >= 3
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
101		107
102	/*****************************************************************************/	108	/*****************************************************************************/
103		109
		110	#include "config.h"
		111
		112	#if HAVE_SYS_MKDEV_H
		113	# include <sys/mkdev.h>
		114	#elif HAVE_SYS_SYSMACROS_H
		115	# include <sys/sysmacros.h>
		116	#endif
		117
		118	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		119	# include <sys/mman.h>
		120	#endif
		121
		122	#if HAVE_SYS_UIO_H
		123	# include <sys/uio.h>
		124	#endif
		125
		126	#if HAVE_ST_XTIMENSEC
		127	# define ATIMENSEC PL_statcache.st_atimensec
		128	# define MTIMENSEC PL_statcache.st_mtimensec
		129	# define CTIMENSEC PL_statcache.st_ctimensec
		130	#elif HAVE_ST_XTIMESPEC
		131	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		132	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		133	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		134	#else
		135	# define ATIMENSEC 0
		136	# define MTIMENSEC 0
		137	# define CTIMENSEC 0
		138	#endif
		139
		140	#if HAVE_ST_BIRTHTIMENSEC
		141	# define BTIMESEC PL_statcache.st_birthtime
		142	# define BTIMENSEC PL_statcache.st_birthtimensec
		143	#elif HAVE_ST_BIRTHTIMESPEC
		144	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		145	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		146	#else
		147	# define BTIMESEC 0
		148	# define BTIMENSEC 0
		149	#endif
		150
		151	#if HAVE_ST_GEN
		152	# define ST_GEN PL_statcache.st_gen
		153	#else
		154	# define ST_GEN 0
		155	#endif
		156
		157	#include "schmorp.h"
		158
		159	#if HAVE_EVENTFD
		160	# include <sys/eventfd.h>
		161	#endif
		162
		163	#if HAVE_TIMERFD
		164	# include <sys/timerfd.h>
		165	#endif
		166
		167	#if HAVE_RLIMITS
		168	#include <sys/time.h>
		169	#include <sys/resource.h>
		170	#endif
		171
104	typedef SV SV8; /* byte-sv, used for argument-checking */	172	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	173	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	174	typedef int aio_wfd; /* write file descriptor */
107		175
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	176	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109		177
110	#define EIO_REQ_MEMBERS \	178	#define EIO_REQ_MEMBERS \
111	SV *callback; \	179	SV *callback; \
112	SV *sv1, *sv2; \	180	SV *sv1, *sv2; \
		181	SV *sv3, *sv4; \
113	STRLEN stroffset; \	182	STRLEN stroffset; \
114	SV *self;	183	SV *self;
115		184
116	#define EIO_NO_WRAPPERS 1	185	#define EIO_NO_WRAPPERS 1
117		186
118	#include "libeio/config.h"
119	#include "libeio/eio.h"	187	#include "libeio/eio.h"
120		188
121	static int req_invoke (eio_req *req);	189	static int req_invoke (eio_req *req);
122	#define EIO_FINISH(req) req_invoke (req)	190	#define EIO_FINISH(req) req_invoke (req)
123	static void req_destroy (eio_req *grp);	191	static void req_destroy (eio_req *grp);
124	#define EIO_DESTROY(req) req_destroy (req)	192	#define EIO_DESTROY(req) req_destroy (req)
125		193
126	#include "libeio/eio.c"	194	#include "libeio/eio.c"
127		195
128	/* Linux/others */
129	#ifndef O_ASYNC
130	# define O_ASYNC 0
131	#endif
132	#ifndef O_DIRECT
133	# define O_DIRECT 0
134	#endif
135	#ifndef O_NOATIME
136	# define O_NOATIME 0
137	#endif
138
139	/* POSIX */
140	#ifndef O_CLOEXEC
141	# define O_CLOEXEC 0
142	#endif
143	#ifndef O_NOFOLLOW
144	# define O_NOFOLLOW 0
145	#endif
146	#ifndef O_NOCTTY
147	# define O_NOCTTY 0
148	#endif
149	#ifndef O_NONBLOCK
150	# define O_NONBLOCK 0
151	#endif
152	#ifndef O_EXEC
153	# define O_EXEC 0
154	#endif
155	#ifndef O_SEARCH
156	# define O_SEARCH 0
157	#endif
158	#ifndef O_DIRECTORY
159	# define O_DIRECTORY 0
160	#endif
161	#ifndef O_DSYNC
162	# define O_DSYNC 0
163	#endif
164	#ifndef O_RSYNC
165	# define O_RSYNC 0
166	#endif
167	#ifndef O_SYNC
168	# define O_SYNC 0
169	#endif
170	#ifndef O_TTY_INIT
171	# define O_TTY_INIT 0
172	#endif
173
174	#ifndef POSIX_FADV_NORMAL
175	# define POSIX_FADV_NORMAL 0
176	#endif
177	#ifndef POSIX_FADV_SEQUENTIAL
178	# define POSIX_FADV_SEQUENTIAL 0
179	#endif
180	#ifndef POSIX_FADV_RANDOM
181	# define POSIX_FADV_RANDOM 0
182	#endif
183	#ifndef POSIX_FADV_NOREUSE
184	# define POSIX_FADV_NOREUSE 0
185	#endif
186	#ifndef POSIX_FADV_WILLNEED
187	# define POSIX_FADV_WILLNEED 0
188	#endif
189	#ifndef POSIX_FADV_DONTNEED
190	# define POSIX_FADV_DONTNEED 0
191	#endif
192
193	#if !HAVE_POSIX_FADVISE	196	#if !HAVE_POSIX_FADVISE
194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */	197	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195	#endif	198	#endif
196		199
197	#ifndef POSIX_MADV_NORMAL
198	# define POSIX_MADV_NORMAL 0
199	#endif
200	#ifndef POSIX_MADV_SEQUENTIAL
201	# define POSIX_MADV_SEQUENTIAL 0
202	#endif
203	#ifndef POSIX_MADV_RANDOM
204	# define POSIX_MADV_RANDOM 0
205	#endif
206	#ifndef POSIX_MADV_WILLNEED
207	# define POSIX_MADV_WILLNEED 0
208	#endif
209	#ifndef POSIX_MADV_DONTNEED
210	# define POSIX_MADV_DONTNEED 0
211	#endif
212
213	#if !HAVE_POSIX_MADVISE	200	#if !HAVE_POSIX_MADVISE
214	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */	201	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215	#endif
216
217	#ifndef PROT_NONE
218	# define PROT_NONE 0
219	#endif
220	#ifndef PROT_READ
221	# define PROT_READ 0
222	#endif
223	#ifndef PROT_WRITE
224	# define PROT_READ 0
225	#endif
226	#ifndef PROT_EXEC
227	# define PROT_EXEC 0
228	#endif
229
230	#ifndef ST_RDONLY
231	# define ST_RDONLY 0
232	#endif
233	#ifndef ST_NOSUID
234	# define ST_NOSUID 0
235	#endif
236	#ifndef ST_NODEV
237	# define ST_NODEV 0
238	#endif
239	#ifndef ST_NOEXEC
240	# define ST_NOEXEC 0
241	#endif
242	#ifndef ST_SYNCHRONOUS
243	# define ST_SYNCHRONOUS 0
244	#endif
245	#ifndef ST_MANDLOCK
246	# define ST_MANDLOCK 0
247	#endif
248	#ifndef ST_WRITE
249	# define ST_WRITE 0
250	#endif
251	#ifndef ST_APPEND
252	# define ST_APPEND 0
253	#endif
254	#ifndef ST_IMMUTABLE
255	# define ST_IMMUTABLE 0
256	#endif
257	#ifndef ST_NOATIME
258	# define ST_NOATIME 0
259	#endif
260	#ifndef ST_NODIRATIME
261	# define ST_NODIRATIME 0
262	#endif
263	#ifndef ST_RELATIME
264	# define ST_RELATIME 0
265	#endif
266
267	#ifndef S_IFIFO
268	# define S_IFIFO 0
269	#endif
270	#ifndef S_IFCHR
271	# define S_IFCHR 0
272	#endif
273	#ifndef S_IFBLK
274	# define S_IFBLK 0
275	#endif
276	#ifndef S_IFLNK
277	# define S_IFLNK 0
278	#endif
279	#ifndef S_IFREG
280	# define S_IFREG 0
281	#endif
282	#ifndef S_IFDIR
283	# define S_IFDIR 0
284	#endif
285	#ifndef S_IFWHT
286	# define S_IFWHT 0
287	#endif
288	#ifndef S_IFSOCK
289	# define S_IFSOCK 0
290	#endif	202	#endif
291		203
292	#ifndef MAP_ANONYMOUS	204	#ifndef MAP_ANONYMOUS
293	# ifdef MAP_ANON	205	# ifdef MAP_ANON
294	# define MAP_ANONYMOUS MAP_ANON	206	# define MAP_ANONYMOUS MAP_ANON
295	# else	207	# else
296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	208	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297	# endif	209	# endif
298	#endif	210	#endif
299	#ifndef MAP_HUGETLB
300	# define MAP_HUGETLB 0
301	#endif
302	#ifndef MAP_LOCKED
303	# define MAP_LOCKED 0
304	#endif
305	#ifndef MAP_NORESERVE
306	# define MAP_NORESERVE 0
307	#endif
308	#ifndef MAP_POPULATE
309	# define MAP_POPULATE 0
310	#endif
311	#ifndef MAP_NONBLOCK
312	# define MAP_NONBLOCK 0
313	#endif
314		211
315	#ifndef makedev	212	#ifndef makedev
316	# define makedev(maj,min) (((maj) << 8) | (min))	213	# define makedev(maj,min) (((maj) << 8) | (min))
317	#endif	214	#endif
318	#ifndef major	215	#ifndef major
…		…
320	#endif	217	#endif
321	#ifndef minor	218	#ifndef minor
322	# define minor(dev) ((dev) & 0xff)	219	# define minor(dev) ((dev) & 0xff)
323	#endif	220	#endif
324		221
		222	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		223	#ifdef __sun
325	#ifndef PAGESIZE	224	# undef PAGESIZE
		225	#endif
		226
		227	#if PAGESIZE <= 0
326	# define PAGESIZE sysconf (_SC_PAGESIZE)	228	# define PAGESIZE sysconf (_SC_PAGESIZE)
		229	#endif
		230
		231	#if HAVE_SYSCALL
		232	#include <sys/syscall.h>
		233	#else
		234	# define syscall(nr,...) (errno = ENOSYS, -1)
		235	#endif
		236
		237	/*****************************************************************************/
		238
		239	#if !_POSIX_MAPPED_FILES
		240	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		241	# define munmap(addr,length) EIO_ENOSYS ()
		242	#endif
		243
		244	#if !_POSIX_MEMORY_PROTECTION
		245	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		246	#endif
		247
		248	#if !MREMAP_MAYMOVE
		249	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		250	#endif
		251
		252	#define FOREIGN_MAGIC PERL_MAGIC_ext
		253
		254	static int ecb_cold
		255	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		256	{
		257	int old_errno = errno;
		258	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		259	errno = old_errno;
		260
		261	mg->mg_obj = 0; /* just in case */
		262
		263	SvREADONLY_off (sv);
		264
		265	if (SvPVX (sv) != mg->mg_ptr)
		266	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		267
		268	SvCUR_set (sv, 0);
		269	SvPVX (sv) = 0;
		270	SvOK_off (sv);
		271
		272	return 0;
		273	}
		274
		275	static MGVTBL mmap_vtbl = {
		276	0, 0, 0, 0, mmap_free
		277	};
		278
		279	static int ecb_cold
		280	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		281	{
		282	free (mg->mg_ptr);
		283	mg->mg_obj = 0; /* just in case */
		284
		285	SvREADONLY_off (sv);
		286
		287	if (SvPVX (sv) != mg->mg_ptr)
		288	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		289
		290	SvCUR_set (sv, 0);
		291	SvPVX (sv) = 0;
		292	SvOK_off (sv);
		293
		294	return 0;
		295	}
		296
		297	static MGVTBL sysfree_vtbl = {
		298	0, 0, 0, 0, sysfree_free
		299	};
		300
		301	/*****************************************************************************/
		302
		303	/* helper: set scalar to foreign ptr with custom free */
		304	ecb_noinline
		305	static void
		306	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		307	{
		308	sv_force_normal (sv);
		309
		310	/* we store the length in mg_obj, as namlen is I32 :/ */
		311	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		312	->mg_obj = (SV *)length;
		313
		314	SvUPGRADE (sv, SVt_PV); /* nop... */
		315
		316	if (SvLEN (sv))
		317	Safefree (SvPVX (sv));
		318
		319	SvPVX (sv) = (char *)addr;
		320	SvCUR_set (sv, length);
		321	SvLEN_set (sv, 0);
		322	SvPOK_only (sv);
		323	}
		324
		325	static void
		326	sv_clear_foreign (SV *sv)
		327	{
		328	/* todo: iterate over magic and only free ours, but of course */
		329	/* the perl5porters will call that (correct) behaviour buggy */
		330	sv_unmagic (sv, FOREIGN_MAGIC);
		331	}
		332
		333	/*****************************************************************************/
		334
		335	/* defines all sorts of constants to 0 unless they are already defined */
		336	/* also provides const_iv_ and const_niv_ macros for them */
		337	#include "def0.h"
		338
		339	/*****************************************************************************/
		340
		341	static void
		342	fiemap (eio_req *req)
		343	{
		344	req->result = -1;
		345
		346	#if HAVE_FIEMAP
		347	/* assume some c99 */
		348	struct fiemap *fiemap = 0;
		349	size_t end_offset;
		350	int count = req->int3;
		351
		352	req->flags |= EIO_FLAG_PTR1_FREE;
		353
		354	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		355	/* increase in fixed steps */
		356	if (count < 0)
		357	count = 8;
		358
		359	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		360	errno = ENOMEM;
		361	if (!fiemap)
		362	return;
		363
		364	req->ptr1 = fiemap;
		365
		366	fiemap->fm_start = req->offs;
		367	fiemap->fm_length = req->size;
		368	fiemap->fm_flags = req->int2;
		369	fiemap->fm_extent_count = count;
		370
		371	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		372	return;
		373
		374	if (req->int3 >= 0 /* not autosizing */
		375	|| !fiemap->fm_mapped_extents /* no more extents */
		376	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		377	goto done;
		378
		379	/* else we have to loop -
		380	* it would be tempting (actually I tried that first) to just query the
		381	* number of extents needed, but linux often feels like not returning all
		382	* extents, without telling us it left any out. this complicates
		383	* this quite a bit.
		384	*/
		385
		386	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		387
		388	for (;;)
		389	{
		390	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		391	char scratch[3072];
		392	struct fiemap *incmap = (struct fiemap *)scratch;
		393
		394	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		395	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		396	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		397	incmap->fm_flags = fiemap->fm_flags;
		398	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		399
		400	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		401	return;
		402
		403	if (!incmap->fm_mapped_extents)
		404	goto done;
		405
		406	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
		407	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		408	errno = ENOMEM;
		409	if (!fiemap)
		410	return;
		411
		412	req->ptr1 = fiemap;
		413
		414	for (count = 0; count < incmap->fm_mapped_extents; ++count)
		415	{
		416	struct fiemap_extent *e = incmap->fm_extents + count;
		417
		418	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		419
		420	if (e->fe_logical >= end_offset)
		421	goto done;
		422
		423	if (e->fe_flags & FIEMAP_EXTENT_LAST)
		424	goto done;
		425
		426	}
		427	}
		428
		429	done:
		430	req->result = 0;
		431
		432	#else
		433	errno = ENOSYS;
		434	#endif
		435	}
		436
		437	/*****************************************************************************/
		438
		439	static int close_fd; /* dummy fd to close fds via dup2 */
		440
		441	#if HAVE_STATX
		442	static struct statx stx;
		443	#define statx_offsetof(member) offsetof (struct statx, member)
		444	#define eio__statx statx
		445	#else
		446	#define statx_offsetof(member) 0
		447	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
327	#endif	448	#endif
328		449
329	enum {	450	enum {
330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	451	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331	};	452	};
332		453
333	typedef eio_req *aio_req;	454	typedef eio_req *aio_req;
334	typedef eio_req *aio_req_ornot;	455	typedef eio_req *aio_req_ornot;
		456	typedef eio_wd aio_wd;
335		457
336	static SV *on_next_submit;	458	static SV *on_next_submit;
337	static int next_pri = EIO_PRI_DEFAULT;	459	static int next_pri = EIO_PRI_DEFAULT;
338	static int max_outstanding;	460	static int max_outstanding;
339		461
340	static s_epipe respipe;	462	static s_epipe respipe;
341		463
342	static void req_destroy (aio_req req);	464	static void req_destroy (aio_req req);
343	static void req_cancel (aio_req req);	465	static void req_cancel (aio_req req);
344		466
345	static void want_poll (void)	467	static void
		468	want_poll (void)
346	{	469	{
347	/* write a dummy byte to the pipe so fh becomes ready */	470	/* write a dummy byte to the pipe so fh becomes ready */
348	s_epipe_signal (&respipe);	471	s_epipe_signal (&respipe);
349	}	472	}
350		473
351	static void done_poll (void)	474	static void
		475	done_poll (void)
352	{	476	{
353	/* read any signals sent by the worker threads */	477	/* read any signals sent by the worker threads */
354	s_epipe_drain (&respipe);	478	s_epipe_drain (&respipe);
355	}	479	}
356		480
357	/* must be called at most once */	481	/* must be called at most once */
		482	ecb_noinline
		483	static SV *
358	static SV *req_sv (aio_req req, HV *stash)	484	req_sv (aio_req req, HV *stash)
359	{	485	{
360	if (!req->self)	486	if (!req->self)
361	{	487	{
362	req->self = (SV *)newHV ();	488	req->self = (SV *)newHV ();
363	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	489	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364	}	490	}
365		491
366	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	492	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367	}	493	}
368		494
369	static aio_req SvAIO_REQ (SV *sv)	495	static SV *
		496	newSVaio_wd (aio_wd wd)
		497	{
		498	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
		499	}
		500
		501	ecb_noinline
		502	static aio_req
		503	SvAIO_REQ (SV *sv)
370	{	504	{
371	MAGIC *mg;	505	MAGIC *mg;
372		506
373	if (!SvROK (sv)	507	if (!SvROK (sv)
		508	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	509	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
375	&& SvSTASH (SvRV (sv)) != aio_req_stash	510	&& SvSTASH (SvRV (sv)) != aio_req_stash
376	&& !sv_derived_from (sv, "IO::AIO::REQ")))	511	&& !sv_derived_from (sv, "IO::AIO::REQ")))
377	croak ("object of class IO::AIO::REQ expected");	512	croak ("object of class IO::AIO::REQ expected");
378		513
379	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	514	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380		515
381	return mg ? (aio_req)mg->mg_ptr : 0;	516	return mg ? (aio_req)mg->mg_ptr : 0;
382	}	517	}
383		518
		519	static aio_wd
		520	SvAIO_WD (SV *sv)
		521	{
		522	if (!SvROK (sv)
		523	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		524	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		525	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		526
		527	return (aio_wd)(long)SvIVX (SvRV (sv));
		528	}
		529
		530	static SV *
		531	newmortalFH (int fd, int flags)
		532	{
		533	if (fd < 0)
		534	return &PL_sv_undef;
		535
		536	GV *gv = (GV *)sv_newmortal ();
		537	char sym[64];
		538	int symlen;
		539
		540	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		541	gv_init (gv, aio_stash, sym, symlen, 0);
		542
		543	symlen = snprintf (
		544	sym,
		545	sizeof (sym),
		546	"%s&=%d",
		547	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		548	fd
		549	);
		550
		551	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		552	? (SV *)gv : &PL_sv_undef;
		553	}
		554
		555	static void
384	static void aio_grp_feed (aio_req grp)	556	aio_grp_feed (aio_req grp)
385	{	557	{
386	if (grp->sv2 && SvOK (grp->sv2))	558	if (grp->sv2 && SvOK (grp->sv2))
387	{	559	{
388	dSP;	560	dSP;
389		561
…		…
397	FREETMPS;	569	FREETMPS;
398	LEAVE;	570	LEAVE;
399	}	571	}
400	}	572	}
401		573
		574	ecb_noinline
		575	static void
402	static void req_submit (eio_req *req)	576	req_submit (eio_req *req)
403	{	577	{
404	eio_submit (req);	578	eio_submit (req);
405		579
406	if (expect_false (on_next_submit))	580	if (expect_false (on_next_submit))
407	{	581	{
…		…
414	PUTBACK;	588	PUTBACK;
415	call_sv (cb, G_DISCARD | G_EVAL);	589	call_sv (cb, G_DISCARD | G_EVAL);
416	}	590	}
417	}	591	}
418		592
		593	static int
419	static int req_invoke (eio_req *req)	594	req_invoke (eio_req *req)
420	{	595	{
421	if (req->flags & FLAG_SV2_RO_OFF)	596	if (req->flags & FLAG_SV2_RO_OFF)
422	SvREADONLY_off (req->sv2);	597	SvREADONLY_off (req->sv2);
423		598
424	if (!EIO_CANCELLED (req) && req->callback)	599	if (!EIO_CANCELLED (req) && req->callback)
…		…
445	SvREADONLY_on (sv_result);	620	SvREADONLY_on (sv_result);
446	}	621	}
447		622
448	switch (req->type)	623	switch (req->type)
449	{	624	{
		625	case EIO_WD_OPEN:
		626	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		627	break;
		628
450	case EIO_READDIR:	629	case EIO_READDIR:
451	{	630	{
452	SV *rv = &PL_sv_undef;	631	SV *rv = &PL_sv_undef;
453		632
454	if (req->result >= 0)	633	if (req->result >= 0)
…		…
507	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	686	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
508	}	687	}
509	break;	688	break;
510		689
511	case EIO_OPEN:	690	case EIO_OPEN:
512	{	691	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
513	/* convert fd to fh */
514	SV *fh = &PL_sv_undef;
515
516	if (req->result >= 0)
517	{
518	GV *gv = (GV *)sv_newmortal ();
519	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
520	char sym [64];
521	int symlen;
522
523	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
524	gv_init (gv, aio_stash, sym, symlen, 0);
525
526	symlen = snprintf (
527	sym,
528	sizeof (sym),
529	"%s&=%d",
530	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
531	(int)req->result
532	);
533
534	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
535	fh = (SV *)gv;
536	}
537
538	PUSHs (fh);
539	}
540	break;	692	break;
541		693
542	case EIO_STATVFS:	694	case EIO_STATVFS:
543	case EIO_FSTATVFS:	695	case EIO_FSTATVFS:
544	{	696	{
…		…
547	#ifndef _WIN32	699	#ifndef _WIN32
548	if (req->result >= 0)	700	if (req->result >= 0)
549	{	701	{
550	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	702	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
551	HV *hv = newHV ();	703	HV *hv = newHV ();
		704	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		705	* chooses to make it a struct.
		706	*/
		707	unsigned long fsid = 0;
		708	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
552		709
553	rv = sv_2mortal (newRV_noinc ((SV *)hv));	710	rv = sv_2mortal (newRV_noinc ((SV *)hv));
554		711
555	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	712	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
556	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	713	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
558	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	715	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
559	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	716	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
560	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	717	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
561	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	718	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
562	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	719	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
563	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	720	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
564	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	721	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
565	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	722	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
566	}	723	}
567	#endif	724	#endif
568		725
…		…
596	break;	753	break;
597		754
598	case EIO_STAT:	755	case EIO_STAT:
599	case EIO_LSTAT:	756	case EIO_LSTAT:
600	case EIO_FSTAT:	757	case EIO_FSTAT:
601	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	758	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		759
602	PL_laststatval = req->result;	760	if (!(PL_laststatval = req->result))
603	/* if compilation fails here then perl's Stat_t is not struct _stati64 */	761	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
604	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	762	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
		763
605	PUSHs (sv_result);	764	PUSHs (sv_result);
		765	break;
		766
		767	case EIO_SEEK:
		768	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
606	break;	769	break;
607		770
608	case EIO_READ:	771	case EIO_READ:
609	{	772	{
610	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	773	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
…		…
613	SvSETMAGIC (req->sv2);	776	SvSETMAGIC (req->sv2);
614	PUSHs (sv_result);	777	PUSHs (sv_result);
615	}	778	}
616	break;	779	break;
617		780
		781	case EIO_SLURP:
		782	{
		783	if (req->result >= 0)
		784	{
		785	/* if length was originally not known, we steal the malloc'ed memory */
		786	if (req->flags & EIO_FLAG_PTR2_FREE)
		787	{
		788	req->flags &= ~EIO_FLAG_PTR2_FREE;
		789	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		790	}
		791	else
		792	{
		793	SvCUR_set (req->sv2, req->result);
		794	*SvEND (req->sv2) = 0;
		795	SvPOK_only (req->sv2);
		796	}
		797
		798	SvSETMAGIC (req->sv2);
		799	}
		800
		801	PUSHs (sv_result);
		802	}
		803	break;
		804
		805	case EIO_CUSTOM:
		806	if (req->feed == fiemap)
		807	{
		808	#if HAVE_FIEMAP
		809	if (!req->result)
		810	{
		811	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
		812
		813	if (fiemap->fm_extent_count)
		814	{
		815	AV *av = newAV ();
		816	int i;
		817
		818	while (fiemap->fm_mapped_extents)
		819	{
		820	struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
		821	AV *ext_av = newAV ();
		822
		823	av_store (ext_av, 3, newSVuv (extent->fe_flags));
		824	av_store (ext_av, 2, newSVval64 (extent->fe_length));
		825	av_store (ext_av, 1, newSVval64 (extent->fe_physical));
		826	av_store (ext_av, 0, newSVval64 (extent->fe_logical));
		827
		828	av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
		829	}
		830
		831	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		832	}
		833	else
		834	{
		835	SvIV_set (sv_result, fiemap->fm_mapped_extents);
		836	PUSHs (sv_result);
		837	}
		838	}
		839	#endif
		840	}
		841	else
		842	PUSHs (sv_result);
		843	break;
		844
		845	#if 0
		846	case EIO_CLOSE:
		847	PerlIOUnix_refcnt_dec (req->int1);
		848	break;
		849	#endif
		850
618	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	851	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
619	if (req->result > 0)	852	if (req->result > 0)
620	SvIV_set (sv_result, 0);	853	SvIV_set (sv_result, 0);
621	/* FALLTHROUGH */	854	/* FALLTHROUGH */
622		855
…		…
643	}	876	}
644		877
645	return !!SvTRUE (ERRSV);	878	return !!SvTRUE (ERRSV);
646	}	879	}
647		880
		881	static void
648	static void req_destroy (aio_req req)	882	req_destroy (aio_req req)
649	{	883	{
650	if (req->self)	884	if (req->self)
651	{	885	{
652	sv_unmagic (req->self, PERL_MAGIC_ext);	886	sv_unmagic (req->self, PERL_MAGIC_ext);
653	SvREFCNT_dec (req->self);	887	SvREFCNT_dec (req->self);
654	}	888	}
655		889
656	SvREFCNT_dec (req->sv1);	890	SvREFCNT_dec (req->sv1);
657	SvREFCNT_dec (req->sv2);	891	SvREFCNT_dec (req->sv2);
		892	SvREFCNT_dec (req->sv3);
		893	SvREFCNT_dec (req->sv4);
658	SvREFCNT_dec (req->callback);	894	SvREFCNT_dec (req->callback);
659		895
660	Safefree (req);	896	free (req);
661	}	897	}
662		898
		899	static void
663	static void req_cancel_subs (aio_req grp)	900	req_cancel_subs (aio_req grp)
664	{	901	{
665	if (grp->type != EIO_GROUP)	902	if (grp->type != EIO_GROUP)
666	return;	903	return;
667		904
668	SvREFCNT_dec (grp->sv2);	905	SvREFCNT_dec (grp->sv2);
669	grp->sv2 = 0;	906	grp->sv2 = 0;
670		907
671	eio_grp_cancel (grp);	908	eio_grp_cancel (grp);
672	}	909	}
673		910
		911	ecb_cold
		912	static void
674	static void create_respipe (void)	913	create_respipe (void)
675	{	914	{
676	if (s_epipe_renew (&respipe))	915	if (s_epipe_renew (&respipe))
677	croak ("IO::AIO: unable to initialize result pipe");	916	croak ("IO::AIO: unable to initialize result pipe");
678	}	917	}
679		918
680	static void poll_wait (void)	919	static void
		920	poll_wait (void)
681	{	921	{
682	while (eio_nreqs ())	922	while (eio_nreqs ())
683	{	923	{
684	int size;	924	int size;
685		925
686	X_LOCK (reslock);	926	X_LOCK (EIO_POOL->reslock);
687	size = res_queue.size;	927	size = EIO_POOL->res_queue.size;
688	X_UNLOCK (reslock);	928	X_UNLOCK (EIO_POOL->reslock);
689		929
690	if (size)	930	if (size)
691	return;	931	return;
692		932
693	etp_maybe_start_thread ();	933	etp_maybe_start_thread (EIO_POOL);
694		934
695	s_epipe_wait (&respipe);	935	s_epipe_wait (&respipe);
696	}	936	}
697	}	937	}
698		938
699	static int poll_cb (void)	939	static int
		940	poll_cb (void)
700	{	941	{
701	for (;;)	942	for (;;)
702	{	943	{
703	int res = eio_poll ();	944	int res = eio_poll ();
704		945
…		…
710		951
711	poll_wait ();	952	poll_wait ();
712	}	953	}
713	}	954	}
714		955
715	static void atfork_child (void)	956	ecb_cold
		957	static void
		958	reinit (void)
716	{	959	{
717	create_respipe ();	960	create_respipe ();
		961
		962	if (eio_init (want_poll, done_poll) < 0)
		963	croak ("IO::AIO: unable to initialise eio library");
718	}	964	}
719		965
720	/*****************************************************************************/	966	/*****************************************************************************/
721		967
722	#if !_POSIX_MAPPED_FILES	968	static SV *
723	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
724	# define munmap(addr,length) (errno = ENOSYS, -1)
725	#endif
726
727	#if !_POSIX_MEMORY_PROTECTION
728	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
729	# define PROT_NONE 0
730	# define PROT_WRITE 0
731	# define MAP_PRIVATE 0
732	# define MAP_SHARED 0
733	# define MAP_FIXED 0
734	#endif
735
736	#define MMAP_MAGIC PERL_MAGIC_ext
737
738	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
739	{
740	int old_errno = errno;
741	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742	errno = old_errno;
743
744	mg->mg_obj = 0; /* just in case */
745
746	SvREADONLY_off (sv);
747
748	if (SvPVX (sv) != mg->mg_ptr)
749	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
751	SvCUR_set (sv, 0);
752	SvPVX (sv) = 0;
753	SvOK_off (sv);
754
755	return 0;
756	}
757
758	static MGVTBL mmap_vtbl = {
759	0, 0, 0, 0, mmap_free
760	};
761
762	/*****************************************************************************/
763
764	static SV * get_cb (SV *cb_sv)	969	get_cb (SV *cb_sv)
765	{	970	{
766	SvGETMAGIC (cb_sv);	971	SvGETMAGIC (cb_sv);
767	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	972	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768	}	973	}
769		974
		975	ecb_noinline
		976	static aio_req ecb_noinline
		977	dreq (SV *callback)
		978	{
		979	SV *cb_cv;
		980	aio_req req;
		981	int req_pri = next_pri;
		982	next_pri = EIO_PRI_DEFAULT;
		983
		984	cb_cv = get_cb (callback);
		985
		986	req = calloc (sizeof (*req), 1);
		987	if (!req)
		988	croak ("out of memory during eio_req allocation");
		989
		990	req->callback = SvREFCNT_inc (cb_cv);
		991	req->pri = req_pri;
		992
		993	return req;
		994	}
		995
770	#define dREQ \	996	#define dREQ \
771	SV *cb_cv; \	997	aio_req req = dreq (callback); \
772	aio_req req; \
773	int req_pri = next_pri; \
774	next_pri = EIO_PRI_DEFAULT; \
775	\
776	cb_cv = get_cb (callback); \
777	\
778	Newz (0, req, 1, eio_req); \
779	if (!req) \
780	croak ("out of memory during eio_req allocation"); \
781	\
782	req->callback = SvREFCNT_inc (cb_cv); \
783	req->pri = req_pri
784		998
785	#define REQ_SEND \	999	#define REQ_SEND \
786	PUTBACK; \	1000	PUTBACK; \
787	req_submit (req); \	1001	req_submit (req); \
788	SPAGAIN; \	1002	SPAGAIN; \
789	\	1003	\
790	if (GIMME_V != G_VOID) \	1004	if (GIMME_V != G_VOID) \
791	XPUSHs (req_sv (req, aio_req_stash));	1005	XPUSHs (req_sv (req, aio_req_stash));
792		1006
		1007	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
		1008	ecb_inline
		1009	void
		1010	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		1011	{
		1012	if (expect_false (SvROK (path)))
		1013	{
		1014	SV *rv = SvRV (path);
		1015	SV *wdob;
		1016
		1017	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		1018	{
		1019	path = AvARRAY (rv)[1];
		1020	wdob = AvARRAY (rv)[0];
		1021
		1022	if (SvOK (wdob))
		1023	{
		1024	*wd = SvAIO_WD (wdob);
		1025	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		1026	}
		1027	else
		1028	*wd = EIO_INVALID_WD;
		1029	}
		1030	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		1031	{
		1032	*wd = (aio_wd)(long)SvIVX (rv);
		1033	*wdsv = SvREFCNT_inc_NN (rv);
		1034	*ptr = ".";
		1035	return; /* path set to "." */
		1036	}
		1037	else
		1038	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		1039	}
		1040
		1041	*pathsv = newSVsv (path);
		1042	*ptr = SvPVbyte_nolen (*pathsv);
		1043	}
		1044
		1045	ecb_noinline
		1046	static void
		1047	req_set_path1 (aio_req req, SV *path)
		1048	{
		1049	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		1050	}
		1051
		1052	ecb_noinline
		1053	static void
		1054	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		1055	{
		1056	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		1057
		1058	switch (SvTYPE (rv))
		1059	{
		1060	case SVt_PVIO:
		1061	case SVt_PVLV:
		1062	case SVt_PVGV:
		1063	req->type = type_fh;
		1064	req->sv1 = newSVsv (fh_or_path);
		1065	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1066	break;
		1067
		1068	default:
		1069	req->type = type_path;
		1070	req_set_path1 (req, fh_or_path);
		1071	break;
		1072	}
		1073	}
		1074
		1075	/*****************************************************************************/
		1076
		1077	static void
		1078	ts_set (struct timespec *ts, NV value)
		1079	{
		1080	ts->tv_sec = value;
		1081	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1082	}
		1083
		1084	static NV
		1085	ts_get (const struct timespec *ts)
		1086	{
		1087	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1088	}
		1089
		1090	/*****************************************************************************/
		1091
		1092	XS(boot_IO__AIO) ecb_cold;
		1093
793	MODULE = IO::AIO PACKAGE = IO::AIO	1094	MODULE = IO::AIO PACKAGE = IO::AIO
794		1095
795	PROTOTYPES: ENABLE	1096	PROTOTYPES: ENABLE
796		1097
797	BOOT:	1098	BOOT:
…		…
801	IV iv;	1102	IV iv;
802	} *civ, const_iv[] = {	1103	} *civ, const_iv[] = {
803	# define const_niv(name, value) { # name, (IV) value },	1104	# define const_niv(name, value) { # name, (IV) value },
804	# define const_iv(name) { # name, (IV) name },	1105	# define const_iv(name) { # name, (IV) name },
805	# define const_eio(name) { # name, (IV) EIO_ ## name },	1106	# define const_eio(name) { # name, (IV) EIO_ ## name },
		1107
		1108	/* you have to re-run ./gendef0 after adding/removing any constants here */
		1109	/* the first block can be undef if missing */
		1110	const_iv (ENOSYS)
806	const_iv (EXDEV)	1111	const_iv (EXDEV)
807	const_iv (ENOSYS)	1112	const_iv (EBADR)
		1113
		1114	/* for lseek */
		1115	const_iv (SEEK_DATA)
		1116	const_iv (SEEK_HOLE)
		1117
		1118	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1119	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1120	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1121	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1122	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1123	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1124
		1125	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1126	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1127	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1128	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1129	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1130
		1131	/* the second block will be 0 when missing */
		1132	const_iv (O_ACCMODE)
		1133
808	const_iv (O_RDONLY)	1134	const_iv (O_RDONLY)
809	const_iv (O_WRONLY)	1135	const_iv (O_WRONLY)
810	const_iv (O_RDWR)	1136	const_iv (O_RDWR)
811	const_iv (O_CREAT)	1137	const_iv (O_CREAT)
812	const_iv (O_TRUNC)	1138	const_iv (O_TRUNC)
…		…
825	const_iv (O_SEARCH)	1151	const_iv (O_SEARCH)
826	const_iv (O_DIRECTORY)	1152	const_iv (O_DIRECTORY)
827	const_iv (O_DSYNC)	1153	const_iv (O_DSYNC)
828	const_iv (O_RSYNC)	1154	const_iv (O_RSYNC)
829	const_iv (O_SYNC)	1155	const_iv (O_SYNC)
		1156	const_iv (O_PATH)
		1157	const_iv (O_TMPFILE)
830	const_iv (O_TTY_INIT)	1158	const_iv (O_TTY_INIT)
831		1159
832	const_iv (S_IFIFO)	1160	const_iv (S_IFIFO)
833	const_iv (S_IFCHR)	1161	const_iv (S_IFCHR)
834	const_iv (S_IFBLK)	1162	const_iv (S_IFBLK)
…		…
836	const_iv (S_IFREG)	1164	const_iv (S_IFREG)
837	const_iv (S_IFDIR)	1165	const_iv (S_IFDIR)
838	const_iv (S_IFWHT)	1166	const_iv (S_IFWHT)
839	const_iv (S_IFSOCK)	1167	const_iv (S_IFSOCK)
840	const_iv (S_IFMT)	1168	const_iv (S_IFMT)
841
842	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
843	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
844	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
845	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
846	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
847	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
854		1169
855	const_iv (ST_RDONLY)	1170	const_iv (ST_RDONLY)
856	const_iv (ST_NOSUID)	1171	const_iv (ST_NOSUID)
857	const_iv (ST_NODEV)	1172	const_iv (ST_NODEV)
858	const_iv (ST_NOEXEC)	1173	const_iv (ST_NOEXEC)
…		…
868	const_iv (PROT_NONE)	1183	const_iv (PROT_NONE)
869	const_iv (PROT_EXEC)	1184	const_iv (PROT_EXEC)
870	const_iv (PROT_READ)	1185	const_iv (PROT_READ)
871	const_iv (PROT_WRITE)	1186	const_iv (PROT_WRITE)
872		1187
873	/*const_iv (MAP_FIXED)*/
874	const_iv (MAP_PRIVATE)	1188	const_iv (MAP_PRIVATE)
875	const_iv (MAP_SHARED)	1189	const_iv (MAP_SHARED)
		1190	const_iv (MAP_FIXED)
876	const_iv (MAP_ANONYMOUS)	1191	const_iv (MAP_ANONYMOUS)
877		1192
878	/* linuxish */	1193	/* linuxish */
879	const_iv (MAP_HUGETLB)
880	const_iv (MAP_LOCKED)	1194	const_iv (MAP_LOCKED)
881	const_iv (MAP_NORESERVE)	1195	const_iv (MAP_NORESERVE)
882	const_iv (MAP_POPULATE)	1196	const_iv (MAP_POPULATE)
883	const_iv (MAP_NONBLOCK)	1197	const_iv (MAP_NONBLOCK)
		1198	const_iv (MAP_GROWSDOWN)
		1199	const_iv (MAP_32BIT)
		1200	const_iv (MAP_HUGETLB)
		1201	const_iv (MAP_STACK)
		1202
		1203	const_iv (MREMAP_MAYMOVE)
		1204	const_iv (MREMAP_FIXED)
		1205
		1206	const_iv (MSG_CMSG_CLOEXEC)
		1207	const_iv (SOCK_CLOEXEC)
		1208
		1209	const_iv (F_DUPFD_CLOEXEC)
		1210
		1211	const_iv (F_ADD_SEALS)
		1212	const_iv (F_GET_SEALS)
		1213	const_iv (F_SEAL_SEAL)
		1214	const_iv (F_SEAL_SHRINK)
		1215	const_iv (F_SEAL_GROW)
		1216	const_iv (F_SEAL_WRITE)
		1217
		1218	const_iv (F_OFD_GETLK)
		1219	const_iv (F_OFD_SETLK)
		1220	const_iv (F_OFD_GETLKW)
		1221
		1222	const_iv (FIFREEZE)
		1223	const_iv (FITHAW)
		1224	const_iv (FITRIM)
		1225	const_iv (FICLONE)
		1226	const_iv (FICLONERANGE)
		1227	const_iv (FIDEDUPERANGE)
		1228
		1229	const_iv (FS_IOC_GETFLAGS)
		1230	const_iv (FS_IOC_SETFLAGS)
		1231	const_iv (FS_IOC_GETVERSION)
		1232	const_iv (FS_IOC_SETVERSION)
		1233	const_iv (FS_IOC_FIEMAP)
		1234	const_iv (FS_IOC_FSGETXATTR)
		1235	const_iv (FS_IOC_FSSETXATTR)
		1236	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1237	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1238	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1239
		1240	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1241
		1242	const_iv (FS_SECRM_FL)
		1243	const_iv (FS_UNRM_FL)
		1244	const_iv (FS_COMPR_FL)
		1245	const_iv (FS_SYNC_FL)
		1246	const_iv (FS_IMMUTABLE_FL)
		1247	const_iv (FS_APPEND_FL)
		1248	const_iv (FS_NODUMP_FL)
		1249	const_iv (FS_NOATIME_FL)
		1250	const_iv (FS_DIRTY_FL)
		1251	const_iv (FS_COMPRBLK_FL)
		1252	const_iv (FS_NOCOMP_FL)
		1253	const_iv (FS_ENCRYPT_FL)
		1254	const_iv (FS_BTREE_FL)
		1255	const_iv (FS_INDEX_FL)
		1256	const_iv (FS_JOURNAL_DATA_FL)
		1257	const_iv (FS_NOTAIL_FL)
		1258	const_iv (FS_DIRSYNC_FL)
		1259	const_iv (FS_TOPDIR_FL)
		1260	const_iv (FS_FL_USER_MODIFIABLE)
		1261
		1262	const_iv (FS_XFLAG_REALTIME)
		1263	const_iv (FS_XFLAG_PREALLOC)
		1264	const_iv (FS_XFLAG_IMMUTABLE)
		1265	const_iv (FS_XFLAG_APPEND)
		1266	const_iv (FS_XFLAG_SYNC)
		1267	const_iv (FS_XFLAG_NOATIME)
		1268	const_iv (FS_XFLAG_NODUMP)
		1269	const_iv (FS_XFLAG_RTINHERIT)
		1270	const_iv (FS_XFLAG_PROJINHERIT)
		1271	const_iv (FS_XFLAG_NOSYMLINKS)
		1272	const_iv (FS_XFLAG_EXTSIZE)
		1273	const_iv (FS_XFLAG_EXTSZINHERIT)
		1274	const_iv (FS_XFLAG_NODEFRAG)
		1275	const_iv (FS_XFLAG_FILESTREAM)
		1276	const_iv (FS_XFLAG_DAX)
		1277	const_iv (FS_XFLAG_HASATTR)
		1278
		1279	const_iv (FIEMAP_FLAG_SYNC)
		1280	const_iv (FIEMAP_FLAG_XATTR)
		1281	const_iv (FIEMAP_FLAGS_COMPAT)
		1282	const_iv (FIEMAP_EXTENT_LAST)
		1283	const_iv (FIEMAP_EXTENT_UNKNOWN)
		1284	const_iv (FIEMAP_EXTENT_DELALLOC)
		1285	const_iv (FIEMAP_EXTENT_ENCODED)
		1286	const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
		1287	const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
		1288	const_iv (FIEMAP_EXTENT_DATA_INLINE)
		1289	const_iv (FIEMAP_EXTENT_DATA_TAIL)
		1290	const_iv (FIEMAP_EXTENT_UNWRITTEN)
		1291	const_iv (FIEMAP_EXTENT_MERGED)
		1292	const_iv (FIEMAP_EXTENT_SHARED)
		1293
		1294	const_iv (SPLICE_F_MOVE)
		1295	const_iv (SPLICE_F_NONBLOCK)
		1296	const_iv (SPLICE_F_MORE)
		1297	const_iv (SPLICE_F_GIFT)
		1298
		1299	const_iv (EFD_CLOEXEC)
		1300	const_iv (EFD_NONBLOCK)
		1301	const_iv (EFD_SEMAPHORE)
		1302
		1303	const_iv (MFD_CLOEXEC)
		1304	const_iv (MFD_ALLOW_SEALING)
		1305	const_iv (MFD_HUGETLB)
		1306
		1307	const_iv (CLOCK_REALTIME)
		1308	const_iv (CLOCK_MONOTONIC)
		1309	const_iv (CLOCK_BOOTTIME)
		1310	const_iv (CLOCK_REALTIME_ALARM)
		1311	const_iv (CLOCK_BOOTTIME_ALARM)
		1312
		1313	const_iv (TFD_NONBLOCK)
		1314	const_iv (TFD_CLOEXEC)
		1315
		1316	const_iv (TFD_TIMER_ABSTIME)
		1317	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1318
		1319	const_iv (STATX_TYPE)
		1320	const_iv (STATX_MODE)
		1321	const_iv (STATX_NLINK)
		1322	const_iv (STATX_UID)
		1323	const_iv (STATX_GID)
		1324	const_iv (STATX_ATIME)
		1325	const_iv (STATX_MTIME)
		1326	const_iv (STATX_CTIME)
		1327	const_iv (STATX_INO)
		1328	const_iv (STATX_SIZE)
		1329	const_iv (STATX_BLOCKS)
		1330	const_iv (STATX_BASIC_STATS)
		1331	const_iv (STATX_ALL)
		1332	const_iv (STATX_BTIME)
		1333	const_iv (STATX_ATTR_COMPRESSED)
		1334	const_iv (STATX_ATTR_IMMUTABLE)
		1335	const_iv (STATX_ATTR_APPEND)
		1336	const_iv (STATX_ATTR_NODUMP)
		1337	const_iv (STATX_ATTR_ENCRYPTED)
		1338	const_iv (STATX_ATTR_AUTOMOUNT)
		1339
		1340	const_iv (AT_FDCWD)
		1341	const_iv (AT_SYMLINK_NOFOLLOW)
		1342	const_iv (AT_EACCESS)
		1343	const_iv (AT_REMOVEDIR)
		1344	const_iv (AT_SYMLINK_FOLLOW)
		1345	const_iv (AT_NO_AUTOMOUNT)
		1346	const_iv (AT_EMPTY_PATH)
		1347	const_iv (AT_STATX_SYNC_TYPE)
		1348	const_iv (AT_STATX_AS_STAT)
		1349	const_iv (AT_STATX_FORCE_SYNC)
		1350	const_iv (AT_STATX_DONT_SYNC)
		1351	const_iv (AT_RECURSIVE)
		1352
		1353	const_iv (OPEN_TREE_CLONE)
		1354
		1355	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1356	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1357	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1358	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1359	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1360	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1361
		1362	/* these are libeio constants, and are independent of gendef0 */
		1363	const_eio (SEEK_SET)
		1364	const_eio (SEEK_CUR)
		1365	const_eio (SEEK_END)
884		1366
885	const_eio (MCL_FUTURE)	1367	const_eio (MCL_FUTURE)
886	const_eio (MCL_CURRENT)	1368	const_eio (MCL_CURRENT)
		1369	const_eio (MCL_ONFAULT)
887		1370
888	const_eio (MS_ASYNC)	1371	const_eio (MS_ASYNC)
889	const_eio (MS_INVALIDATE)	1372	const_eio (MS_INVALIDATE)
890	const_eio (MS_SYNC)	1373	const_eio (MS_SYNC)
891		1374
…		…
894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1377	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895	const_eio (SYNC_FILE_RANGE_WRITE)	1378	const_eio (SYNC_FILE_RANGE_WRITE)
896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1379	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897		1380
898	const_eio (FALLOC_FL_KEEP_SIZE)	1381	const_eio (FALLOC_FL_KEEP_SIZE)
		1382	const_eio (FALLOC_FL_PUNCH_HOLE)
		1383	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1384	const_eio (FALLOC_FL_ZERO_RANGE)
		1385	const_eio (FALLOC_FL_INSERT_RANGE)
		1386	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1387
		1388	const_eio (RENAME_NOREPLACE)
		1389	const_eio (RENAME_EXCHANGE)
		1390	const_eio (RENAME_WHITEOUT)
899		1391
900	const_eio (READDIR_DENTS)	1392	const_eio (READDIR_DENTS)
901	const_eio (READDIR_DIRS_FIRST)	1393	const_eio (READDIR_DIRS_FIRST)
902	const_eio (READDIR_STAT_ORDER)	1394	const_eio (READDIR_STAT_ORDER)
903	const_eio (READDIR_FOUND_UNKNOWN)	1395	const_eio (READDIR_FOUND_UNKNOWN)
…		…
914	};	1406	};
915		1407
916	aio_stash = gv_stashpv ("IO::AIO" , 1);	1408	aio_stash = gv_stashpv ("IO::AIO" , 1);
917	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1409	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1410	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1411	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
919		1412
920	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1413	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
921	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1414	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922		1415
923	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1416	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924		1417
925	create_respipe ();	1418	/* allocate dummy pipe fd for aio_close */
		1419	{
		1420	int pipefd [2];
926		1421
927	if (eio_init (want_poll, done_poll) < 0)	1422	if (
928	croak ("IO::AIO: unable to initialise eio library");	1423	#ifdef _WIN32
		1424	_pipe (pipefd, 1, _O_BINARY) < 0
		1425	#else
		1426	pipe (pipefd) < 0
		1427	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1428	#endif
		1429	|| close (pipefd [1]) < 0
		1430	)
		1431	croak ("IO::AIO: unable to create dummy pipe for aio_close");
929		1432
930	/* atfork child called in fifo order, so before eio's handler */	1433	close_fd = pipefd [0];
931	X_THREAD_ATFORK (0, 0, atfork_child);	1434	}
		1435
		1436	reinit ();
932	}	1437	}
		1438
		1439	void
		1440	reinit ()
		1441	PROTOTYPE:
933		1442
934	void	1443	void
935	max_poll_reqs (unsigned int nreqs)	1444	max_poll_reqs (unsigned int nreqs)
936	PROTOTYPE: $	1445	PROTOTYPE: $
937	CODE:	1446	CODE:
…		…
972	PROTOTYPE: $	1481	PROTOTYPE: $
973	CODE:	1482	CODE:
974	max_outstanding = maxreqs;	1483	max_outstanding = maxreqs;
975		1484
976	void	1485	void
977	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1486	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
978	PPCODE:	1487	PPCODE:
979	{	1488	{
980	dREQ;	1489	dREQ;
981		1490
		1491	req->type = EIO_WD_OPEN;
		1492	req_set_path1 (req, pathname);
		1493
		1494	REQ_SEND;
		1495	}
		1496
		1497	void
		1498	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
		1499	PPCODE:
		1500	{
		1501	dREQ;
		1502
982	req->type = EIO_OPEN;	1503	req->type = EIO_OPEN;
983	req->sv1 = newSVsv (pathname);	1504	req_set_path1 (req, pathname);
984	req->ptr1 = SvPVbyte_nolen (req->sv1);
985	req->int1 = flags;	1505	req->int1 = flags;
986	req->int2 = mode;	1506	req->int2 = mode;
987		1507
988	REQ_SEND;	1508	REQ_SEND;
989	}	1509	}
990		1510
991	void	1511	void
992	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1512	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
993	ALIAS:	1513	ALIAS:
994	aio_fsync = EIO_FSYNC	1514	aio_fsync = EIO_FSYNC
995	aio_fdatasync = EIO_FDATASYNC	1515	aio_fdatasync = EIO_FDATASYNC
		1516	aio_syncfs = EIO_SYNCFS
996	PPCODE:	1517	PPCODE:
997	{	1518	{
998	int fd = s_fileno_croak (fh, 0);	1519	int fd = s_fileno_croak (fh, 0);
999	dREQ;	1520	dREQ;
1000		1521
1001	req->type = ix;	1522	req->type = ix;
1002	req->sv1 = newSVsv (fh);	1523	req->sv1 = newSVsv (fh);
1003	req->int1 = fd;	1524	req->int1 = fd;
1004		1525
1005	REQ_SEND (req);	1526	REQ_SEND;
1006	}	1527	}
1007		1528
1008	void	1529	void
1009	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1530	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1010	PPCODE:	1531	PPCODE:
1011	{	1532	{
1012	int fd = s_fileno_croak (fh, 0);	1533	int fd = s_fileno_croak (fh, 0);
1013	dREQ;	1534	dREQ;
1014		1535
1015	req->type = EIO_SYNC_FILE_RANGE;	1536	req->type = EIO_SYNC_FILE_RANGE;
1016	req->sv1 = newSVsv (fh);	1537	req->sv1 = newSVsv (fh);
1017	req->int1 = fd;	1538	req->int1 = fd;
1018	req->offs = offset;	1539	req->offs = offset;
1019	req->size = nbytes;	1540	req->size = nbytes;
1020	req->int2 = flags;	1541	req->int2 = flags;
1021		1542
1022	REQ_SEND (req);	1543	REQ_SEND;
1023	}	1544	}
1024		1545
1025	void	1546	void
1026	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1547	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1027	PPCODE:	1548	PPCODE:
1028	{	1549	{
1029	int fd = s_fileno_croak (fh, 0);	1550	int fd = s_fileno_croak (fh, 0);
1030	dREQ;	1551	dREQ;
1031		1552
1032	req->type = EIO_FALLOCATE;	1553	req->type = EIO_FALLOCATE;
1033	req->sv1 = newSVsv (fh);	1554	req->sv1 = newSVsv (fh);
1034	req->int1 = fd;	1555	req->int1 = fd;
1035	req->int2 = mode;	1556	req->int2 = mode;
1036	req->offs = offset;	1557	req->offs = offset;
1037	req->size = len;	1558	req->size = len;
1038		1559
1039	REQ_SEND (req);	1560	REQ_SEND;
1040	}	1561	}
1041		1562
1042	void	1563	void
1043	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1564	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1044	PPCODE:	1565	PPCODE:
1045	{	1566	{
1046	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1047	int fd = s_fileno_croak (fh, 0);	1567	int fd = s_fileno_croak (fh, 0);
1048	dREQ;	1568	dREQ;
		1569	#if 0
		1570	/* partially duplicate logic in s_fileno */
		1571	SvGETMAGIC (fh);
1049		1572
1050	if (expect_false (close_fd < 0))	1573	if (SvROK (fh))
		1574	{
		1575	fh = SvRV (fh);
		1576	SvGETMAGIC (fh);
		1577	}
		1578
		1579	if (SvTYPE (fh) == SVt_PVGV)
1051	{	1580	{
1052	int pipefd [2];	1581	/* perl filehandle */
		1582	PerlIOUnix_refcnt_inc (fd);
		1583	do_close ((GV *)fh, 1);
1053		1584
1054	if (	1585	req->type = EIO_CLOSE;
1055	#ifdef _WIN32	1586	req->int1 = fd;
1056	_pipe (pipefd, 1, _O_BINARY) < 0	1587	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1057	#else
1058	pipe (pipefd) < 0
1059	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1060	#endif
1061	|| close (pipefd [1]) < 0
1062	)
1063	abort (); /*D*/
1064
1065	close_fd = pipefd [0];
1066	}	1588	}
1067		1589	else
		1590	#endif
		1591	{
		1592	/* fd number */
1068	req->type = EIO_DUP2;	1593	req->type = EIO_DUP2;
1069	req->int1 = close_fd;	1594	req->int1 = close_fd;
		1595	req->sv2 = newSVsv (fh);
		1596	req->int2 = fd;
		1597	}
		1598
		1599	REQ_SEND;
		1600	}
		1601
		1602	void
		1603	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
		1604	PPCODE:
		1605	{
		1606	int fd = s_fileno_croak (fh, 0);
		1607	dREQ;
		1608
		1609	req->type = EIO_SEEK;
1070	req->sv2 = newSVsv (fh);	1610	req->sv1 = newSVsv (fh);
1071	req->int2 = fd;	1611	req->int1 = fd;
		1612	req->offs = SvVAL64 (offset);
		1613	req->int2 = whence;
1072		1614
1073	REQ_SEND (req);	1615	REQ_SEND;
1074	}	1616	}
1075		1617
1076	void	1618	void
1077	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1619	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1078	ALIAS:	1620	ALIAS:
1079	aio_read = EIO_READ	1621	aio_read = EIO_READ
1080	aio_write = EIO_WRITE	1622	aio_write = EIO_WRITE
1081	PPCODE:	1623	PPCODE:
1082	{	1624	{
…		…
1098	len = svlen - dataoffset;	1640	len = svlen - dataoffset;
1099	}	1641	}
1100	else	1642	else
1101	{	1643	{
1102	/* read: check type and grow scalar as necessary */	1644	/* read: check type and grow scalar as necessary */
1103	SvUPGRADE (data, SVt_PV);	1645	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1104	svptr = SvGROW (data, len + dataoffset + 1);	1646	svptr = sv_grow (data, len + dataoffset + 1);
		1647	else if (SvCUR (data) < len + dataoffset)
		1648	croak ("length + dataoffset outside of scalar, and cannot grow");
1105	}	1649	}
1106		1650
1107	{	1651	{
1108	dREQ;	1652	dREQ;
1109		1653
…		…
1125	REQ_SEND;	1669	REQ_SEND;
1126	}	1670	}
1127	}	1671	}
1128		1672
1129	void	1673	void
		1674	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1675	ALIAS:
		1676	aio_ioctl = EIO_IOCTL
		1677	aio_fcntl = EIO_FCNTL
		1678	PPCODE:
		1679	{
		1680	int fd = s_fileno_croak (fh, 0);
		1681	char *svptr;
		1682
		1683	if (SvPOK (arg) || !SvNIOK (arg))
		1684	{
		1685	STRLEN svlen;
		1686	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1687	#ifdef IOCPARM_LEN
		1688	STRLEN need = IOCPARM_LEN (request);
		1689	#else
		1690	STRLEN need = 256;
		1691	#endif
		1692
		1693	if (svlen < need)
		1694	svptr = SvGROW (arg, need);
		1695	}
		1696	else
		1697	svptr = (char *)SvIV (arg);
		1698
		1699	{
		1700	dREQ;
		1701
		1702	req->type = ix;
		1703	req->sv1 = newSVsv (fh);
		1704	req->int1 = fd;
		1705	req->int2 = (long)request;
		1706	req->sv2 = SvREFCNT_inc (arg);
		1707	req->ptr2 = svptr;
		1708
		1709	REQ_SEND;
		1710	}
		1711	}
		1712
		1713	void
1130	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1714	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1131	ALIAS:	1715	ALIAS:
1132	aio_readlink = EIO_READLINK	1716	aio_readlink = EIO_READLINK
1133	aio_realpath = EIO_REALPATH	1717	aio_realpath = EIO_REALPATH
1134	PPCODE:	1718	PPCODE:
1135	{	1719	{
1136	dREQ;	1720	dREQ;
1137		1721
1138	req->type = ix;	1722	req->type = ix;
1139	req->sv1 = newSVsv (path);	1723	req_set_path1 (req, pathname);
1140	req->ptr1 = SvPVbyte_nolen (req->sv1);
1141		1724
1142	REQ_SEND;	1725	REQ_SEND;
1143	}	1726	}
1144		1727
1145	void	1728	void
1146	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1729	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1147	PPCODE:	1730	PPCODE:
1148	{	1731	{
1149	int ifd = s_fileno_croak (in_fh , 0);	1732	int ifd = s_fileno_croak (in_fh , 0);
1150	int ofd = s_fileno_croak (out_fh, 1);	1733	int ofd = s_fileno_croak (out_fh, 1);
1151	dREQ;	1734	dREQ;
1152		1735
1153	req->type = EIO_SENDFILE;	1736	req->type = EIO_SENDFILE;
1154	req->sv1 = newSVsv (out_fh);	1737	req->sv1 = newSVsv (out_fh);
1155	req->int1 = ofd;	1738	req->int1 = ofd;
…		…
1160		1743
1161	REQ_SEND;	1744	REQ_SEND;
1162	}	1745	}
1163		1746
1164	void	1747	void
1165	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1748	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1166	PPCODE:	1749	PPCODE:
1167	{	1750	{
1168	int fd = s_fileno_croak (fh, 0);	1751	int fd = s_fileno_croak (fh, 0);
1169	dREQ;	1752	dREQ;
1170		1753
1171	req->type = EIO_READAHEAD;	1754	req->type = EIO_READAHEAD;
1172	req->sv1 = newSVsv (fh);	1755	req->sv1 = newSVsv (fh);
1173	req->int1 = fd;	1756	req->int1 = fd;
…		…
1176		1759
1177	REQ_SEND;	1760	REQ_SEND;
1178	}	1761	}
1179		1762
1180	void	1763	void
1181	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1764	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1182	ALIAS:	1765	ALIAS:
1183	aio_stat = EIO_STAT	1766	aio_stat = EIO_STAT
1184	aio_lstat = EIO_LSTAT	1767	aio_lstat = EIO_LSTAT
1185	aio_statvfs = EIO_STATVFS	1768	aio_statvfs = EIO_STATVFS
1186	PPCODE:	1769	PPCODE:
1187	{	1770	{
1188	dREQ;	1771	dREQ;
1189		1772
1190	req->sv1 = newSVsv (fh_or_path);	1773	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1191
1192	if (SvPOK (req->sv1))
1193	{
1194	req->type = ix;
1195	req->ptr1 = SvPVbyte_nolen (req->sv1);
1196	}
1197	else
1198	{
1199	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1200	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201	}
1202		1774
1203	REQ_SEND;	1775	REQ_SEND;
1204	}	1776	}
		1777
		1778	void
		1779	st_xtime ()
		1780	ALIAS:
		1781	st_atime = 0x01
		1782	st_mtime = 0x02
		1783	st_ctime = 0x04
		1784	st_btime = 0x08
		1785	st_xtime = 0x0f
		1786	PPCODE:
		1787	EXTEND (SP, 4);
		1788	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1789	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1790	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1791	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1792
		1793	void
		1794	st_xtimensec ()
		1795	ALIAS:
		1796	st_atimensec = 0x01
		1797	st_mtimensec = 0x02
		1798	st_ctimensec = 0x04
		1799	st_btimensec = 0x08
		1800	st_xtimensec = 0x0f
		1801	st_btimesec = 0x10
		1802	st_gen = 0x20
		1803	PPCODE:
		1804	EXTEND (SP, 4);
		1805	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1806	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1807	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1808	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1809	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1810	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1205		1811
1206	UV	1812	UV
1207	major (UV dev)	1813	major (UV dev)
1208	ALIAS:	1814	ALIAS:
1209	minor = 1	1815	minor = 1
1210	CODE:	1816	CODE:
1211	RETVAL = ix ? major (dev) : minor (dev);	1817	RETVAL = ix ? minor (dev) : major (dev);
1212	OUTPUT:	1818	OUTPUT:
1213	RETVAL	1819	RETVAL
1214		1820
1215	UV	1821	UV
1216	makedev (UV maj, UV min)	1822	makedev (UV maj, UV min)
…		…
1218	RETVAL = makedev (maj, min);	1824	RETVAL = makedev (maj, min);
1219	OUTPUT:	1825	OUTPUT:
1220	RETVAL	1826	RETVAL
1221		1827
1222	void	1828	void
1223	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1829	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1224	PPCODE:	1830	PPCODE:
1225	{	1831	{
1226	dREQ;	1832	dREQ;
1227		1833
1228	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1834	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1835	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230	req->sv1 = newSVsv (fh_or_path);	1836	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1231
1232	if (SvPOK (req->sv1))
1233	{
1234	req->type = EIO_UTIME;
1235	req->ptr1 = SvPVbyte_nolen (req->sv1);
1236	}
1237	else
1238	{
1239	req->type = EIO_FUTIME;
1240	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241	}
1242		1837
1243	REQ_SEND;	1838	REQ_SEND;
1244	}	1839	}
1245		1840
1246	void	1841	void
1247	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1842	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1248	PPCODE:	1843	PPCODE:
1249	{	1844	{
1250	dREQ;	1845	dREQ;
1251		1846
1252	req->sv1 = newSVsv (fh_or_path);
1253	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1847	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254		1848	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1255	if (SvPOK (req->sv1))
1256	{
1257	req->type = EIO_TRUNCATE;
1258	req->ptr1 = SvPVbyte_nolen (req->sv1);
1259	}
1260	else
1261	{
1262	req->type = EIO_FTRUNCATE;
1263	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1264	}
1265		1849
1266	REQ_SEND;	1850	REQ_SEND;
1267	}	1851	}
1268		1852
1269	void	1853	void
1270	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1854	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1271	ALIAS:
1272	aio_chmod = EIO_CHMOD
1273	aio_mkdir = EIO_MKDIR
1274	PPCODE:	1855	PPCODE:
1275	{	1856	{
1276	dREQ;	1857	dREQ;
1277		1858
1278	req->int2 = mode;	1859	req->int2 = mode;
1279	req->sv1 = newSVsv (fh_or_path);	1860	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1280
1281	if (SvPOK (req->sv1))
1282	{
1283	req->type = ix;
1284	req->ptr1 = SvPVbyte_nolen (req->sv1);
1285	}
1286	else
1287	{
1288	req->type = EIO_FCHMOD;
1289	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1290	}
1291		1861
1292	REQ_SEND;	1862	REQ_SEND;
1293	}	1863	}
1294		1864
1295	void	1865	void
1296	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1866	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1297	PPCODE:	1867	PPCODE:
1298	{	1868	{
1299	dREQ;	1869	dREQ;
1300		1870
1301	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1871	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1872	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303	req->sv1 = newSVsv (fh_or_path);	1873	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1304
1305	if (SvPOK (req->sv1))
1306	{
1307	req->type = EIO_CHOWN;
1308	req->ptr1 = SvPVbyte_nolen (req->sv1);
1309	}
1310	else
1311	{
1312	req->type = EIO_FCHOWN;
1313	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1314	}
1315		1874
1316	REQ_SEND;	1875	REQ_SEND;
1317	}	1876	}
1318		1877
1319	void	1878	void
1320	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1879	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1321	PPCODE:	1880	PPCODE:
1322	{	1881	{
1323	dREQ;	1882	dREQ;
1324		1883
1325	req->type = EIO_READDIR;	1884	req->type = EIO_READDIR;
1326	req->sv1 = newSVsv (pathname);
1327	req->ptr1 = SvPVbyte_nolen (req->sv1);
1328	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1885	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329		1886
1330	if (flags & EIO_READDIR_DENTS)	1887	if (flags & EIO_READDIR_DENTS)
1331	req->int1 |= EIO_READDIR_CUSTOM2;	1888	req->int1 |= EIO_READDIR_CUSTOM2;
1332		1889
		1890	req_set_path1 (req, pathname);
		1891
1333	REQ_SEND;	1892	REQ_SEND;
1334	}	1893	}
1335		1894
1336	void	1895	void
		1896	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
		1897	PPCODE:
		1898	{
		1899	dREQ;
		1900
		1901	req->type = EIO_MKDIR;
		1902	req->int2 = mode;
		1903	req_set_path1 (req, pathname);
		1904
		1905	REQ_SEND;
		1906	}
		1907
		1908	void
1337	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1909	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1338	ALIAS:	1910	ALIAS:
1339	aio_unlink = EIO_UNLINK	1911	aio_unlink = EIO_UNLINK
1340	aio_rmdir = EIO_RMDIR	1912	aio_rmdir = EIO_RMDIR
1341	aio_readdir = EIO_READDIR	1913	aio_readdir = EIO_READDIR
1342	PPCODE:	1914	PPCODE:
1343	{	1915	{
1344	dREQ;	1916	dREQ;
1345		1917
1346	req->type = ix;	1918	req->type = ix;
1347	req->sv1 = newSVsv (pathname);	1919	req_set_path1 (req, pathname);
1348	req->ptr1 = SvPVbyte_nolen (req->sv1);
1349		1920
1350	REQ_SEND;	1921	REQ_SEND;
1351	}	1922	}
1352		1923
1353	void	1924	void
1354	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1925	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1355	ALIAS:	1926	ALIAS:
1356	aio_link = EIO_LINK	1927	aio_link = EIO_LINK
1357	aio_symlink = EIO_SYMLINK	1928	aio_symlink = EIO_SYMLINK
1358	aio_rename = EIO_RENAME	1929	aio_rename = EIO_RENAME
1359	PPCODE:	1930	PPCODE:
1360	{	1931	{
		1932	eio_wd wd2 = 0;
1361	dREQ;	1933	dREQ;
1362		1934
1363	req->type = ix;	1935	req->type = ix;
1364	req->sv1 = newSVsv (oldpath);	1936	req_set_path1 (req, oldpath);
1365	req->ptr1 = SvPVbyte_nolen (req->sv1);	1937	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366	req->sv2 = newSVsv (newpath);	1938	req->int3 = (long)wd2;
1367	req->ptr2 = SvPVbyte_nolen (req->sv2);
1368		1939
1369	REQ_SEND;	1940	REQ_SEND;
1370	}	1941	}
1371		1942
1372	void	1943	void
		1944	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1945	PPCODE:
		1946	{
		1947	eio_wd wd2 = 0;
		1948	dREQ;
		1949
		1950	req->type = EIO_RENAME;
		1951	req_set_path1 (req, oldpath);
		1952	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1953	req->int2 = flags;
		1954	req->int3 = (long)wd2;
		1955
		1956	REQ_SEND;
		1957	}
		1958
		1959	void
1373	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1960	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1374	PPCODE:	1961	PPCODE:
1375	{	1962	{
1376	dREQ;	1963	dREQ;
1377		1964
1378	req->type = EIO_MKNOD;	1965	req->type = EIO_MKNOD;
1379	req->sv1 = newSVsv (pathname);
1380	req->ptr1 = SvPVbyte_nolen (req->sv1);
1381	req->int2 = (mode_t)mode;	1966	req->int2 = (mode_t)mode;
1382	req->offs = dev;	1967	req->offs = dev;
		1968	req_set_path1 (req, pathname);
1383		1969
1384	REQ_SEND;	1970	REQ_SEND;
1385	}	1971	}
1386		1972
1387	void	1973	void
1388	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1974	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1389	ALIAS:	1975	ALIAS:
1390	aio_mtouch = EIO_MTOUCH	1976	aio_mtouch = EIO_MTOUCH
1391	aio_msync = EIO_MSYNC	1977	aio_msync = EIO_MSYNC
1392	PPCODE:	1978	PPCODE:
1393	{	1979	{
1394	STRLEN svlen;	1980	STRLEN svlen;
1395	char *svptr = SvPVbyte (data, svlen);	1981	char *svptr = SvPVbyte (data, svlen);
1396	UV len = SvUV (length);	1982	UV len = SvUV (length);
		1983
		1984	if (flags < 0)
		1985	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1397		1986
1398	if (offset < 0)	1987	if (offset < 0)
1399	offset += svlen;	1988	offset += svlen;
1400		1989
1401	if (offset < 0 || offset > svlen)	1990	if (offset < 0 || offset > svlen)
…		…
1416	REQ_SEND;	2005	REQ_SEND;
1417	}	2006	}
1418	}	2007	}
1419		2008
1420	void	2009	void
1421	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	2010	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1422	PPCODE:	2011	PPCODE:
1423	{	2012	{
1424	STRLEN svlen;	2013	STRLEN svlen;
1425	char *svptr = SvPVbyte (data, svlen);	2014	char *svptr = SvPVbyte (data, svlen);
1426	UV len = SvUV (length);	2015	UV len = SvUV (length);
…		…
1445	REQ_SEND;	2034	REQ_SEND;
1446	}	2035	}
1447	}	2036	}
1448		2037
1449	void	2038	void
1450	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2039	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1451	PPCODE:	2040	PPCODE:
1452	{	2041	{
1453	dREQ;	2042	dREQ;
1454		2043
1455	req->type = EIO_MLOCKALL;	2044	req->type = EIO_MLOCKALL;
…		…
1457		2046
1458	REQ_SEND;	2047	REQ_SEND;
1459	}	2048	}
1460		2049
1461	void	2050	void
		2051	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
		2052	PPCODE:
		2053	{
		2054	int fd = s_fileno_croak (fh, 0);
		2055	dREQ;
		2056
		2057	req->type = EIO_CUSTOM;
		2058	req->sv1 = newSVsv (fh);
		2059	req->int1 = fd;
		2060
		2061	req->feed = fiemap;
		2062	#if HAVE_FIEMAP
		2063	/* keep our fingers crossed that the next two types are 64 bit */
		2064	req->offs = start;
		2065	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
		2066	req->int2 = flags;
		2067	req->int3 = SvOK (count) ? SvIV (count) : -1;
		2068	#endif
		2069
		2070	REQ_SEND;
		2071	}
		2072
		2073	void
		2074	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2075	PPCODE:
		2076	{
		2077	char *svptr = 0;
		2078
		2079	sv_clear_foreign (data);
		2080
		2081	if (length) /* known length, directly read into scalar */
		2082	{
		2083	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2084	svptr = sv_grow (data, length + 1);
		2085	else if (SvCUR (data) < length)
		2086	croak ("length outside of scalar, and cannot grow");
		2087	else
		2088	svptr = SvPVbyte_nolen (data);
		2089	}
		2090
		2091	{
		2092	dREQ;
		2093
		2094	req->type = EIO_SLURP;
		2095	req_set_path1 (req, pathname);
		2096	req->offs = offset;
		2097	req->size = length;
		2098	req->sv2 = SvREFCNT_inc (data);
		2099	req->ptr2 = svptr;
		2100
		2101	if (!SvREADONLY (data))
		2102	{
		2103	SvREADONLY_on (data);
		2104	req->flags |= FLAG_SV2_RO_OFF;
		2105	}
		2106
		2107	REQ_SEND;
		2108	}
		2109	}
		2110
		2111	void
1462	aio_busy (double delay, SV *callback=&PL_sv_undef)	2112	aio_busy (double delay, SV *callback = &PL_sv_undef)
1463	PPCODE:	2113	PPCODE:
1464	{	2114	{
1465	dREQ;	2115	dREQ;
1466		2116
1467	req->type = EIO_BUSY;	2117	req->type = EIO_BUSY;
…		…
1469		2119
1470	REQ_SEND;	2120	REQ_SEND;
1471	}	2121	}
1472		2122
1473	void	2123	void
1474	aio_group (SV *callback=&PL_sv_undef)	2124	aio_group (SV *callback = &PL_sv_undef)
1475	PPCODE:	2125	PPCODE:
1476	{	2126	{
1477	dREQ;	2127	dREQ;
1478		2128
1479	req->type = EIO_GROUP;	2129	req->type = EIO_GROUP;
1480		2130
		2131	PUTBACK;
1481	req_submit (req);	2132	req_submit (req);
		2133	SPAGAIN;
		2134
1482	XPUSHs (req_sv (req, aio_grp_stash));	2135	XPUSHs (req_sv (req, aio_grp_stash));
1483	}	2136	}
1484		2137
1485	void	2138	void
1486	aio_nop (SV *callback=&PL_sv_undef)	2139	aio_nop (SV *callback = &PL_sv_undef)
1487	ALIAS:	2140	ALIAS:
1488	aio_nop = EIO_NOP	2141	aio_nop = EIO_NOP
1489	aio_sync = EIO_SYNC	2142	aio_sync = EIO_SYNC
1490	PPCODE:	2143	PPCODE:
1491	{	2144	{
…		…
1495		2148
1496	REQ_SEND;	2149	REQ_SEND;
1497	}	2150	}
1498		2151
1499	int	2152	int
1500	aioreq_pri (int pri = 0)	2153	aioreq_pri (int pri = NO_INIT)
1501	CODE:	2154	CODE:
1502	RETVAL = next_pri;	2155	RETVAL = next_pri;
1503	if (items > 0)	2156	if (items > 0)
1504	{	2157	{
1505	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2158	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1587	CODE:	2240	CODE:
1588	RETVAL = posix_fadvise (fh, offset, length, advice);	2241	RETVAL = posix_fadvise (fh, offset, length, advice);
1589	OUTPUT:	2242	OUTPUT:
1590	RETVAL	2243	RETVAL
1591		2244
1592	ssize_t	2245	IV
1593	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	2246	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594	CODE:	2247	CODE:
1595	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2248	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596	OUTPUT:	2249	OUTPUT:
1597	RETVAL	2250	RETVAL
1598		2251
1599	void	2252	void
1600	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	2253	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1601	PPCODE:	2254	PPCODE:
1602	sv_unmagic (scalar, MMAP_MAGIC);	2255	sv_clear_foreign (scalar);
1603	{	2256	{
1604	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2257	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1605	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2258	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1606	if (addr == (void *)-1)	2259	if (addr == (void *)-1)
1607	XSRETURN_NO;	2260	XSRETURN_NO;
1608		2261
1609	sv_force_normal (scalar);	2262	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1610
1611	/* we store the length in mg_obj, as namlen is I32 :/ */
1612	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1613	->mg_obj = (SV *)length;
1614
1615	SvUPGRADE (scalar, SVt_PV); /* nop... */
1616		2263
1617	if (!(prot & PROT_WRITE))	2264	if (!(prot & PROT_WRITE))
1618	SvREADONLY_on (scalar);	2265	SvREADONLY_on (scalar);
1619		2266
1620	if (SvLEN (scalar))
1621	Safefree (SvPVX (scalar));
1622
1623	SvPVX (scalar) = (char *)addr;
1624	SvCUR_set (scalar, length);
1625	SvLEN_set (scalar, 0);
1626	SvPOK_only (scalar);
1627
1628	XSRETURN_YES;	2267	XSRETURN_YES;
1629	}	2268	}
1630		2269
1631	void	2270	void
1632	munmap (SV *scalar)	2271	munmap (SV *scalar)
1633	CODE:	2272	CODE:
1634	sv_unmagic (scalar, MMAP_MAGIC);	2273	sv_clear_foreign (scalar);
		2274
		2275	SV *
		2276	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2277	CODE:
		2278	{
		2279	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2280	void *new;
		2281
		2282	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2283	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2284
		2285	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2286
		2287	RETVAL = &PL_sv_no;
		2288
		2289	if (new != (void *)-1)
		2290	{
		2291	RETVAL = new == (void *)mg->mg_ptr
		2292	? newSVpvn ("0 but true", 10)
		2293	: &PL_sv_yes;
		2294
		2295	mg->mg_ptr = (char *)new;
		2296	mg->mg_obj = (SV *)new_length;
		2297
		2298	SvPVX (scalar) = mg->mg_ptr;
		2299	SvCUR_set (scalar, new_length);
		2300	}
		2301	}
		2302	OUTPUT:
		2303	RETVAL
1635		2304
1636	int	2305	int
1637	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2306	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1638	ALIAS:	2307	ALIAS:
1639	mprotect = 1	2308	mprotect = 1
1640	CODE:	2309	CODE:
1641	{	2310	{
1642	STRLEN svlen;	2311	STRLEN svlen;
1643	void *addr = SvPVbyte (scalar, svlen);	2312	void *addr = SvPVbyte (scalar, svlen);
1644	size_t len = SvUV (length);	2313	STRLEN len = SvUV (length);
1645		2314
1646	if (offset < 0)	2315	if (offset < 0)
1647	offset += svlen;	2316	offset += svlen;
1648		2317
1649	if (offset < 0 || offset > svlen)	2318	if (offset < 0 || offset > svlen)
…		…
1663	}	2332	}
1664	OUTPUT:	2333	OUTPUT:
1665	RETVAL	2334	RETVAL
1666		2335
1667	int	2336	int
1668	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2337	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1669	CODE:	2338	CODE:
1670	{	2339	{
1671	STRLEN svlen;	2340	STRLEN svlen;
1672	void *addr = SvPVbyte (scalar, svlen);	2341	void *addr = SvPVbyte (scalar, svlen);
1673	size_t len = SvUV (length);	2342	size_t len = SvUV (length);
1674		2343
1675	if (offset < 0)	2344	if (offset < 0)
1676	offset += svlen;	2345	offset += svlen;
1677		2346
…		…
1684	addr = (void *)(((intptr_t)addr) + offset);	2353	addr = (void *)(((intptr_t)addr) + offset);
1685	eio_page_align (&addr, &len);	2354	eio_page_align (&addr, &len);
1686	#if _POSIX_MEMLOCK_RANGE	2355	#if _POSIX_MEMLOCK_RANGE
1687	RETVAL = munlock (addr, len);	2356	RETVAL = munlock (addr, len);
1688	#else	2357	#else
1689	RETVAL = ((errno = ENOSYS), -1);	2358	RETVAL = EIO_ENOSYS ();
1690	#endif	2359	#endif
1691	}	2360	}
1692	OUTPUT:	2361	OUTPUT:
		2362	RETVAL
		2363
		2364	int
		2365	mlockall (int flags)
		2366	PROTOTYPE: $;
		2367	CODE:
		2368	RETVAL = eio_mlockall_sync (flags);
		2369	OUTPUT:
1693	RETVAL	2370	RETVAL
1694		2371
1695	int	2372	int
1696	munlockall ()	2373	munlockall ()
1697	CODE:	2374	CODE:
1698	#if _POSIX_MEMLOCK	2375	#if _POSIX_MEMLOCK
1699	munlockall ();	2376	munlockall ();
1700	#else	2377	#else
1701	RETVAL = -1;	2378	RETVAL = EIO_ENOSYS ();
1702	errno = ENOSYS;
1703	#endif	2379	#endif
1704	OUTPUT:	2380	OUTPUT:
1705	RETVAL	2381	RETVAL
		2382
		2383	int
		2384	statx (SV8 *pathname, int flags, UV mask)
		2385	CODE:
		2386	{
		2387	/* undocumented, and might go away, and anyway, should use eio_statx */
		2388	SV *wdsv = 0;
		2389	SV *pathsv = 0;
		2390	eio_wd wd = EIO_CWD;
		2391	void *ptr;
		2392	int res;
		2393
		2394	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2395	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2396
		2397	SvREFCNT_dec (pathsv);
		2398	SvREFCNT_dec (wdsv);
		2399	}
		2400	OUTPUT:
		2401	RETVAL
		2402
		2403	U32
		2404	stx_mode ()
		2405	PROTOTYPE:
		2406	CODE:
		2407	#if HAVE_STATX
		2408	RETVAL = stx.stx_mode;
		2409	#else
		2410	XSRETURN_UNDEF;
		2411	#endif
		2412	OUTPUT:
		2413	RETVAL
		2414
		2415	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2416	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2417	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2418	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2419	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2420	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2421	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2422	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2423	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2424	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2425	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2426	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2427	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2428	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2429	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2430	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2431	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2432	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2433
		2434	U32
		2435	stx_mask ()
		2436	PROTOTYPE:
		2437	ALIAS:
		2438	stx_mask = STATX_OFFSET_mask
		2439	stx_blksize = STATX_OFFSET_blksize
		2440	stx_nlink = STATX_OFFSET_nlink
		2441	stx_uid = STATX_OFFSET_uid
		2442	stx_gid = STATX_OFFSET_gid
		2443	stx_rdev_major = STATX_OFFSET_rdev_major
		2444	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2445	stx_dev_major = STATX_OFFSET_dev_major
		2446	stx_dev_minor = STATX_OFFSET_dev_minor
		2447	CODE:
		2448	#if HAVE_STATX
		2449	RETVAL = *(__u32 *)((char *)&stx + ix);
		2450	#else
		2451	XSRETURN_UNDEF;
		2452	#endif
		2453	OUTPUT:
		2454	RETVAL
		2455
		2456	VAL64
		2457	stx_attributes ()
		2458	PROTOTYPE:
		2459	ALIAS:
		2460	stx_attributes = STATX_OFFSET_attributes
		2461	stx_ino = STATX_OFFSET_ino
		2462	stx_size = STATX_OFFSET_size
		2463	stx_blocks = STATX_OFFSET_blocks
		2464	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2465	CODE:
		2466	#if HAVE_STATX
		2467	RETVAL = *(__u64 *)((char *)&stx + ix);
		2468	#else
		2469	XSRETURN_UNDEF;
		2470	#endif
		2471	OUTPUT:
		2472	RETVAL
		2473
		2474	NV
		2475	stx_atime ()
		2476	PROTOTYPE:
		2477	ALIAS:
		2478	stx_atime = STATX_OFFSET_atime
		2479	stx_btime = STATX_OFFSET_btime
		2480	stx_ctime = STATX_OFFSET_ctime
		2481	stx_mtime = STATX_OFFSET_mtime
		2482	CODE:
		2483	#if HAVE_STATX
		2484	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2485	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2486	#else
		2487	XSRETURN_UNDEF;
		2488	#endif
		2489	OUTPUT:
		2490	RETVAL
		2491
		2492	VAL64
		2493	stx_atimesec ()
		2494	PROTOTYPE:
		2495	ALIAS:
		2496	stx_atimesec = STATX_OFFSET_atime
		2497	stx_btimesec = STATX_OFFSET_btime
		2498	stx_ctimesec = STATX_OFFSET_ctime
		2499	stx_mtimesec = STATX_OFFSET_mtime
		2500	CODE:
		2501	#if HAVE_STATX
		2502	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2503	RETVAL = ts->tv_sec;
		2504	#else
		2505	XSRETURN_UNDEF;
		2506	#endif
		2507	OUTPUT:
		2508	RETVAL
		2509
		2510	U32
		2511	stx_atimensec ()
		2512	PROTOTYPE:
		2513	ALIAS:
		2514	stx_atimensec = STATX_OFFSET_atime
		2515	stx_btimensec = STATX_OFFSET_btime
		2516	stx_ctimensec = STATX_OFFSET_ctime
		2517	stx_mtimensec = STATX_OFFSET_mtime
		2518	CODE:
		2519	#if HAVE_STATX
		2520	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2521	RETVAL = ts->tv_nsec;
		2522	#else
		2523	RETVAL = 0;
		2524	#endif
		2525	OUTPUT:
		2526	RETVAL
		2527
		2528	void
		2529	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2530	PPCODE:
		2531	{
		2532	SV *retval;
		2533	#if HAVE_ACCEPT4
		2534	socklen_t salen_ = salen ? salen + 1 : 0;
		2535
		2536	if (salen)
		2537	{
		2538	sv_upgrade (sockaddr, SVt_PV);
		2539	sv_grow (sockaddr, salen_);
		2540	}
		2541
		2542	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2543
		2544	retval = newmortalFH (res, O_RDWR);
		2545
		2546	if (res >= 0 && salen > 0)
		2547	{
		2548	if (salen_ > salen + 1)
		2549	salen_ = salen + 1;
		2550
		2551	SvPOK_only (sockaddr);
		2552	SvCUR_set (sockaddr, salen_);
		2553	}
		2554	#else
		2555	errno = ENOSYS;
		2556	retval = &PL_sv_undef;
		2557	#endif
		2558	XPUSHs (retval);
		2559	}
		2560
		2561	ssize_t
		2562	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2563	CODE:
		2564	{
		2565	#if HAVE_LINUX_SPLICE
		2566	loff_t off_in_, off_out_;
		2567	RETVAL = splice (
		2568	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2569	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2570	length, flags
		2571	);
		2572	#else
		2573	RETVAL = EIO_ENOSYS ();
		2574	#endif
		2575	}
		2576	OUTPUT:
		2577	RETVAL
		2578
		2579	ssize_t
		2580	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2581	CODE:
		2582	#if HAVE_LINUX_SPLICE
		2583	RETVAL = tee (rfh, wfh, length, flags);
		2584	#else
		2585	RETVAL = EIO_ENOSYS ();
		2586	#endif
		2587	OUTPUT:
		2588	RETVAL
		2589
		2590	int
		2591	pipesize (aio_rfd rfh, int new_size = -1)
		2592	PROTOTYPE: $;$
		2593	CODE:
		2594	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2595	if (new_size >= 0)
		2596	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2597	else
		2598	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2599	#else
		2600	errno = ENOSYS;
		2601	RETVAL = -1;
		2602	#endif
		2603	OUTPUT:
		2604	RETVAL
		2605
		2606	void
		2607	pipe2 (int flags = 0)
		2608	PROTOTYPE: ;$
		2609	PPCODE:
		2610	{
		2611	int fd[2];
		2612	int res;
		2613
		2614	if (flags)
		2615	#if HAVE_PIPE2
		2616	res = pipe2 (fd, flags);
		2617	#else
		2618	res = (errno = ENOSYS, -1);
		2619	#endif
		2620	else
		2621	res = pipe (fd);
		2622
		2623	if (!res)
		2624	{
		2625	EXTEND (SP, 2);
		2626	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2627	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2628	}
		2629	}
		2630
		2631	void
		2632	pidfd_open (int pid, unsigned int flags = 0)
		2633	PPCODE:
		2634	{
		2635	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2636	int fd = syscall (SYS_pidfd_open, pid, flags);
		2637	XPUSHs (newmortalFH (fd, O_RDWR));
		2638	}
		2639
		2640	int
		2641	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2642	PPCODE:
		2643	{
		2644	int res;
		2645	siginfo_t si = { 0 };
		2646
		2647	if (SvOK (siginfo))
		2648	{
		2649	HV *hv;
		2650	SV **svp;
		2651
		2652	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2653	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2654
		2655	hv = (HV *)SvRV (siginfo);
		2656
		2657	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2658	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2659	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2660	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2661	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2662	}
		2663
		2664	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2665	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2666
		2667	XPUSHs (sv_2mortal (newSViv (res)));
		2668	}
		2669
		2670	void
		2671	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2672	PPCODE:
		2673	{
		2674	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2675	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2676	XPUSHs (newmortalFH (fd, O_RDWR));
		2677	}
		2678
		2679	void
		2680	eventfd (unsigned int initval = 0, int flags = 0)
		2681	PPCODE:
		2682	{
		2683	int fd;
		2684	#if HAVE_EVENTFD
		2685	fd = eventfd (initval, flags);
		2686	#else
		2687	fd = (errno = ENOSYS, -1);
		2688	#endif
		2689
		2690	XPUSHs (newmortalFH (fd, O_RDWR));
		2691	}
		2692
		2693	void
		2694	timerfd_create (int clockid, int flags = 0)
		2695	PPCODE:
		2696	{
		2697	int fd;
		2698	#if HAVE_TIMERFD
		2699	fd = timerfd_create (clockid, flags);
		2700	#else
		2701	fd = (errno = ENOSYS, -1);
		2702	#endif
		2703
		2704	XPUSHs (newmortalFH (fd, O_RDWR));
		2705	}
		2706
		2707	void
		2708	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2709	PPCODE:
		2710	{
		2711	int fd = s_fileno_croak (fh, 0);
		2712	#if HAVE_TIMERFD
		2713	int res;
		2714	struct itimerspec its, ots;
		2715
		2716	ts_set (&its.it_interval, interval);
		2717	ts_set (&its.it_value , value);
		2718	res = timerfd_settime (fd, flags, &its, &ots);
		2719
		2720	if (!res)
		2721	{
		2722	EXTEND (SP, 2);
		2723	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2724	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2725	}
		2726	#else
		2727	errno = ENOSYS;
		2728	#endif
		2729	}
		2730
		2731	void
		2732	timerfd_gettime (SV *fh)
		2733	PPCODE:
		2734	{
		2735	int fd = s_fileno_croak (fh, 0);
		2736	#if HAVE_TIMERFD
		2737	int res;
		2738	struct itimerspec ots;
		2739	res = timerfd_gettime (fd, &ots);
		2740
		2741	if (!res)
		2742	{
		2743	EXTEND (SP, 2);
		2744	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2745	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2746	}
		2747	#else
		2748	errno = ENOSYS;
		2749	#endif
		2750	}
		2751
		2752	void
		2753	memfd_create (SV8 *pathname, int flags = 0)
		2754	PPCODE:
		2755	{
		2756	int fd;
		2757	#if HAVE_MEMFD_CREATE
		2758	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2759	#else
		2760	fd = (errno = ENOSYS, -1);
		2761	#endif
		2762
		2763	XPUSHs (newmortalFH (fd, O_RDWR));
		2764	}
		2765
		2766	UV
		2767	get_fdlimit ()
		2768	CODE:
		2769	#if HAVE_RLIMITS
		2770	struct rlimit rl;
		2771	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2772	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2773	#endif
		2774	XSRETURN_UNDEF;
		2775	OUTPUT:
		2776	RETVAL
		2777
		2778	void
		2779	min_fdlimit (UV limit = 0x7fffffffU)
		2780	CODE:
		2781	{
		2782	#if HAVE_RLIMITS
		2783	struct rlimit rl;
		2784	rlim_t orig_rlim_max;
		2785	UV bit;
		2786
		2787	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2788	goto fail;
		2789
		2790	if (rl.rlim_cur == RLIM_INFINITY)
		2791	XSRETURN_YES;
		2792
		2793	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2794
		2795	if (rl.rlim_cur < limit)
		2796	{
		2797	rl.rlim_cur = limit;
		2798
		2799	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2800	rl.rlim_max = rl.rlim_cur;
		2801	}
		2802
		2803	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2804	XSRETURN_YES;
		2805
		2806	if (errno == EPERM)
		2807	{
		2808	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2809	/* our limit overflows a system-wide limit */
		2810	/* try an adaptive algorithm, but do not lower the hardlimit */
		2811	rl.rlim_max = 0;
		2812	for (bit = 0x40000000U; bit; bit >>= 1)
		2813	{
		2814	rl.rlim_max |= bit;
		2815	rl.rlim_cur = rl.rlim_max;
		2816
		2817	/* never decrease the hard limit */
		2818	if (rl.rlim_max < orig_rlim_max)
		2819	break;
		2820
		2821	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2822	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2823	}
		2824
		2825	/* now, raise the soft limit to the max permitted */
		2826	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2827	{
		2828	rl.rlim_cur = rl.rlim_max;
		2829	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2830	errno = EPERM;
		2831	}
		2832	}
		2833	#endif
		2834	fail:
		2835	XSRETURN_UNDEF;
		2836	}
1706		2837
1707	void _on_next_submit (SV *cb)	2838	void _on_next_submit (SV *cb)
1708	CODE:	2839	CODE:
1709	SvREFCNT_dec (on_next_submit);	2840	SvREFCNT_dec (on_next_submit);
1710	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2841	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711		2842
1712	PROTOTYPES: DISABLE	2843	PROTOTYPES: DISABLE
1713		2844
		2845	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		2846
		2847	BOOT:
		2848	{
		2849	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		2850	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		2851	}
		2852
		2853	void
		2854	DESTROY (SV *self)
		2855	CODE:
		2856	{
		2857	aio_wd wd = SvAIO_WD (self);
		2858	#if HAVE_AT
		2859	{
		2860	SV *callback = &PL_sv_undef;
		2861	dREQ; /* clobbers next_pri :/ */
		2862	next_pri = req->pri; /* restore next_pri */
		2863	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		2864	req->type = EIO_WD_CLOSE;
		2865	req->wd = wd;
		2866	REQ_SEND;
		2867	}
		2868	#else
		2869	eio_wd_close_sync (wd);
		2870	#endif
		2871	}
		2872
1714	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	2873	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715		2874
1716	void	2875	void
1717	cancel (aio_req_ornot req)	2876	cancel (aio_req_ornot req)
1718	CODE:	2877	CODE:
1719	eio_cancel (req);	2878	eio_cancel (req);
1720		2879
1721	void	2880	void
1722	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2881	cb (aio_req_ornot req, SV *callback = NO_INIT)
1723	PPCODE:	2882	PPCODE:
1724	{	2883	{
1725	if (GIMME_V != G_VOID)	2884	if (GIMME_V != G_VOID)
1726	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2885	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1727		2886
1728	if (items > 1)	2887	if (items > 1)
1729	{	2888	{
1730	SV *cb_cv =get_cb (callback);	2889	SV *cb_cv = get_cb (callback);
1731		2890
1732	SvREFCNT_dec (req->callback);	2891	SvREFCNT_dec (req->callback);
1733	req->callback = SvREFCNT_inc (cb_cv);	2892	req->callback = SvREFCNT_inc (cb_cv);
1734	}	2893	}
1735	}	2894	}
…		…
1792	limit (aio_req grp, int limit)	2951	limit (aio_req grp, int limit)
1793	CODE:	2952	CODE:
1794	eio_grp_limit (grp, limit);	2953	eio_grp_limit (grp, limit);
1795		2954
1796	void	2955	void
1797	feed (aio_req grp, SV *callback=&PL_sv_undef)	2956	feed (aio_req grp, SV *callback = &PL_sv_undef)
1798	CODE:	2957	CODE:
1799	{	2958	{
1800	SvREFCNT_dec (grp->sv2);	2959	SvREFCNT_dec (grp->sv2);
1801	grp->sv2 = newSVsv (callback);	2960	grp->sv2 = newSVsv (callback);
1802	grp->feed = aio_grp_feed;	2961	grp->feed = aio_grp_feed;

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