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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.164 by root, Tue May 4 21:14:01 2010 UTC vs.
Revision 1.208 by root, Sat Jan 7 18:42:43 2012 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <sys/statvfs.h>
17	#include <limits.h>	16	#include <limits.h>
18	#include <fcntl.h>	17	#include <fcntl.h>
19	#include <sched.h>	18	#include <sched.h>
20		19
21	#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22	# include <sys/mman.h>	21	# include <sys/mman.h>
23	#endif	22	#endif
24		23
25	/* perl namespace pollution */	24	/* perl namespace pollution */
26	#undef VERSION	25	#undef VERSION
27
28	#ifdef _WIN32
29
30	# define EIO_STRUCT_DIRENT Direntry_t
31	# undef malloc
32	# undef free
33
34	// perl overrides all those nice win32 functions
35	# undef open
36	# undef read
37	# undef write
38	# undef send
39	# undef recv
40	# undef stat
41	# undef fstat
42	# define lstat stat
43	# undef truncate
44	# undef ftruncate
45	# undef open
46	# undef close
47	# undef unlink
48	# undef rmdir
49	# undef rename
50	# undef lseek
51
52	# define chown(a,b,c) (errno = ENOSYS, -1)
53	# define fchown(a,b,c) (errno = ENOSYS, -1)
54	# define fchmod(a,b) (errno = ENOSYS, -1)
55	# define symlink(a,b) (errno = ENOSYS, -1)
56	# define readlink(a,b,c) (errno = ENOSYS, -1)
57	# define mknod(a,b,c) (errno = ENOSYS, -1)
58	# define truncate(a,b) (errno = ENOSYS, -1)
59	# define ftruncate(fd,o) chsize ((fd), (o))
60	# define fsync(fd) _commit (fd)
61	# define opendir(fd) (errno = ENOSYS, 0)
62	# define readdir(fd) (errno = ENOSYS, -1)
63	# define closedir(fd) (errno = ENOSYS, -1)
64	# define mkdir(a,b) mkdir (a)
65
66	#else
67
68	# include <sys/time.h>
69	# include <sys/select.h>
70	# include <unistd.h>
71	# include <utime.h>
72	# include <signal.h>
73	# define EIO_STRUCT_DIRENT struct dirent
74
75	#endif
76		26
77	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
78	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
79	#undef readdir	29	#undef readdir
80	#undef opendir	30	#undef opendir
81	#undef closedir	31	#undef closedir
82		32
		33	#ifdef _WIN32
		34
		35	// perl overrides all those nice libc functions
		36
		37	#undef malloc
		38	#undef free
		39	#undef open
		40	#undef read
		41	#undef write
		42	#undef send
		43	#undef recv
		44	#undef stat
		45	#undef lstat
		46	#undef fstat
		47	#undef truncate
		48	#undef ftruncate
		49	#undef open
		50	#undef link
		51	#undef close
		52	#undef unlink
		53	#undef mkdir
		54	#undef rmdir
		55	#undef rename
		56	#undef lseek
		57	#undef opendir
		58	#undef readdir
		59	#undef closedir
		60	#undef chmod
		61	#undef fchmod
		62	#undef dup
		63	#undef dup2
		64	#undef abort
		65	#undef pipe
		66
		67	#define EIO_STRUCT_STAT struct _stati64
		68	#define EIO_STRUCT_STATI64
		69
		70	#else
		71
		72	#include <sys/time.h>
		73	#include <sys/select.h>
		74	#include <unistd.h>
		75	#include <utime.h>
		76	#include <signal.h>
		77
83	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
		79
		80	#endif
84		81
85	/* use NV for 32 bit perls as it allows larger offsets */	82	/* use NV for 32 bit perls as it allows larger offsets */
86	#if IVSIZE >= 8	83	#if IVSIZE >= 8
87	# define VAL64 IV	84	# define VAL64 IV
88	# define SvVAL64 SvIV	85	# define SvVAL64 SvIV
…		…
108		105
109	typedef SV SV8; /* byte-sv, used for argument-checking */	106	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	107	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	108	typedef int aio_wfd; /* write file descriptor */
112		109
113	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;	110	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114		111
115	#define EIO_REQ_MEMBERS \	112	#define EIO_REQ_MEMBERS \
116	SV *callback; \	113	SV *callback; \
117	SV *sv1, *sv2; \	114	SV *sv1, *sv2; \
		115	SV *sv3, *sv4; \
118	STRLEN stroffset; \	116	STRLEN stroffset; \
119	SV *self;	117	SV *self;
120		118
121	#define EIO_NO_WRAPPERS 1	119	#define EIO_NO_WRAPPERS 1
122		120
		121	#include "libeio/config.h"
123	#include "libeio/eio.h"	122	#include "libeio/eio.h"
		123
		124	static int req_invoke (eio_req *req);
		125	#define EIO_FINISH(req) req_invoke (req)
		126	static void req_destroy (eio_req *grp);
		127	#define EIO_DESTROY(req) req_destroy (req)
		128
		129	#include "libeio/eio.c"
		130
		131	/* Linux/others */
		132	#ifndef O_ASYNC
		133	# define O_ASYNC 0
		134	#endif
		135	#ifndef O_DIRECT
		136	# define O_DIRECT 0
		137	#endif
		138	#ifndef O_NOATIME
		139	# define O_NOATIME 0
		140	#endif
		141
		142	/* POSIX */
		143	#ifndef O_CLOEXEC
		144	# define O_CLOEXEC 0
		145	#endif
		146	#ifndef O_NOFOLLOW
		147	# define O_NOFOLLOW 0
		148	#endif
		149	#ifndef O_NOCTTY
		150	# define O_NOCTTY 0
		151	#endif
		152	#ifndef O_NONBLOCK
		153	# define O_NONBLOCK 0
		154	#endif
		155	#ifndef O_EXEC
		156	# define O_EXEC 0
		157	#endif
		158	#ifndef O_SEARCH
		159	# define O_SEARCH 0
		160	#endif
		161	#ifndef O_DIRECTORY
		162	# define O_DIRECTORY 0
		163	#endif
		164	#ifndef O_DSYNC
		165	# define O_DSYNC 0
		166	#endif
		167	#ifndef O_RSYNC
		168	# define O_RSYNC 0
		169	#endif
		170	#ifndef O_SYNC
		171	# define O_SYNC 0
		172	#endif
		173	#ifndef O_TTY_INIT
		174	# define O_TTY_INIT 0
		175	#endif
124		176
125	#ifndef POSIX_FADV_NORMAL	177	#ifndef POSIX_FADV_NORMAL
126	# define POSIX_FADV_NORMAL 0	178	# define POSIX_FADV_NORMAL 0
127	# define NO_FADVISE 1
128	#endif	179	#endif
129	#ifndef POSIX_FADV_SEQUENTIAL	180	#ifndef POSIX_FADV_SEQUENTIAL
130	# define POSIX_FADV_SEQUENTIAL 0	181	# define POSIX_FADV_SEQUENTIAL 0
131	#endif	182	#endif
132	#ifndef POSIX_FADV_RANDOM	183	#ifndef POSIX_FADV_RANDOM
…		…
140	#endif	191	#endif
141	#ifndef POSIX_FADV_DONTNEED	192	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0	193	# define POSIX_FADV_DONTNEED 0
143	#endif	194	#endif
144		195
		196	#if !HAVE_POSIX_FADVISE
		197	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		198	#endif
		199
		200	#ifndef POSIX_MADV_NORMAL
		201	# define POSIX_MADV_NORMAL 0
		202	#endif
		203	#ifndef POSIX_MADV_SEQUENTIAL
		204	# define POSIX_MADV_SEQUENTIAL 0
		205	#endif
		206	#ifndef POSIX_MADV_RANDOM
		207	# define POSIX_MADV_RANDOM 0
		208	#endif
		209	#ifndef POSIX_MADV_WILLNEED
		210	# define POSIX_MADV_WILLNEED 0
		211	#endif
		212	#ifndef POSIX_MADV_DONTNEED
		213	# define POSIX_MADV_DONTNEED 0
		214	#endif
		215
		216	#if !HAVE_POSIX_MADVISE
		217	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		218	#endif
		219
		220	#ifndef PROT_NONE
		221	# define PROT_NONE 0
		222	#endif
		223	#ifndef PROT_READ
		224	# define PROT_READ 0
		225	#endif
		226	#ifndef PROT_WRITE
		227	# define PROT_READ 0
		228	#endif
		229	#ifndef PROT_EXEC
		230	# define PROT_EXEC 0
		231	#endif
		232
		233	#ifndef ST_RDONLY
		234	# define ST_RDONLY 0
		235	#endif
		236	#ifndef ST_NOSUID
		237	# define ST_NOSUID 0
		238	#endif
145	#ifndef ST_NODEV	239	#ifndef ST_NODEV
146	# define ST_NODEV 0	240	# define ST_NODEV 0
147	#endif	241	#endif
148	#ifndef ST_NOEXEC	242	#ifndef ST_NOEXEC
149	# define ST_NOEXEC 0	243	# define ST_NOEXEC 0
…		…
171	#endif	265	#endif
172	#ifndef ST_RELATIME	266	#ifndef ST_RELATIME
173	# define ST_RELATIME 0	267	# define ST_RELATIME 0
174	#endif	268	#endif
175		269
176	#ifndef MCL_CURRENT	270	#ifndef S_IFIFO
177	# define MCL_CURRENT 0	271	# define S_IFIFO 0
178	#endif	272	#endif
179	#ifndef MCL_FUTURE	273	#ifndef S_IFCHR
180	# define MCL_FUTURE 0	274	# define S_IFCHR 0
		275	#endif
		276	#ifndef S_IFBLK
		277	# define S_IFBLK 0
		278	#endif
		279	#ifndef S_IFLNK
		280	# define S_IFLNK 0
		281	#endif
		282	#ifndef S_IFREG
		283	# define S_IFREG 0
		284	#endif
		285	#ifndef S_IFDIR
		286	# define S_IFDIR 0
		287	#endif
		288	#ifndef S_IFWHT
		289	# define S_IFWHT 0
		290	#endif
		291	#ifndef S_IFSOCK
		292	# define S_IFSOCK 0
181	#endif	293	#endif
182		294
183	#ifndef MAP_ANONYMOUS	295	#ifndef MAP_ANONYMOUS
184	# ifdef MAP_ANON	296	# ifdef MAP_ANON
185	# define MAP_ANONYMOUS MAP_ANON	297	# define MAP_ANONYMOUS MAP_ANON
…		…
201	#endif	313	#endif
202	#ifndef MAP_NONBLOCK	314	#ifndef MAP_NONBLOCK
203	# define MAP_NONBLOCK 0	315	# define MAP_NONBLOCK 0
204	#endif	316	#endif
205		317
		318	#ifndef makedev
		319	# define makedev(maj,min) (((maj) << 8) | (min))
		320	#endif
		321	#ifndef major
		322	# define major(dev) ((dev) >> 8)
		323	#endif
		324	#ifndef minor
		325	# define minor(dev) ((dev) & 0xff)
		326	#endif
		327
206	#ifndef PAGESIZE	328	#ifndef PAGESIZE
207	# define PAGESIZE sysconf (_SC_PAGESIZE)	329	# define PAGESIZE sysconf (_SC_PAGESIZE)
208	#endif	330	#endif
209
210	static int req_invoke (eio_req *req);
211	#define EIO_FINISH(req) req_invoke (req)
212	static void req_destroy (eio_req *grp);
213	#define EIO_DESTROY(req) req_destroy (req)
214		331
215	enum {	332	enum {
216	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	333	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217	};	334	};
218		335
219	#include "libeio/eio.c"
220
221	typedef eio_req *aio_req;	336	typedef eio_req *aio_req;
222	typedef eio_req *aio_req_ornot;	337	typedef eio_req *aio_req_ornot;
		338	typedef eio_wd aio_wd;
223		339
224	static SV *on_next_submit;	340	static SV *on_next_submit;
225	static int next_pri = EIO_PRI_DEFAULT;	341	static int next_pri = EIO_PRI_DEFAULT;
226	static int max_outstanding;	342	static int max_outstanding;
227		343
228	static s_epipe respipe;	344	static s_epipe respipe;
229		345
230	static void req_destroy (aio_req req);	346	static void req_destroy (aio_req req);
231	static void req_cancel (aio_req req);	347	static void req_cancel (aio_req req);
232		348
233	static void want_poll (void)	349	static void
		350	want_poll (void)
234	{	351	{
235	/* write a dummy byte to the pipe so fh becomes ready */	352	/* write a dummy byte to the pipe so fh becomes ready */
236	s_epipe_signal (&respipe);	353	s_epipe_signal (&respipe);
237	}	354	}
238		355
239	static void done_poll (void)	356	static void
		357	done_poll (void)
240	{	358	{
241	/* read any signals sent by the worker threads */	359	/* read any signals sent by the worker threads */
242	s_epipe_drain (&respipe);	360	s_epipe_drain (&respipe);
243	}	361	}
244		362
245	/* must be called at most once */	363	/* must be called at most once */
		364	static SV *
246	static SV *req_sv (aio_req req, HV *stash)	365	req_sv (aio_req req, HV *stash)
247	{	366	{
248	if (!req->self)	367	if (!req->self)
249	{	368	{
250	req->self = (SV *)newHV ();	369	req->self = (SV *)newHV ();
251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	370	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252	}	371	}
253		372
254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));	373	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255	}	374	}
256		375
257	static aio_req SvAIO_REQ (SV *sv)	376	static SV *
		377	newSVaio_wd (aio_wd wd)
		378	{
		379	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
		380	}
		381
		382	static aio_req
		383	SvAIO_REQ (SV *sv)
258	{	384	{
259	MAGIC *mg;	385	MAGIC *mg;
260		386
261	if (!SvROK (sv)	387	if (!SvROK (sv)
		388	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262	|| (SvSTASH (SvRV (sv)) != aio_grp_stash	389	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
263	&& SvSTASH (SvRV (sv)) != aio_req_stash	390	&& SvSTASH (SvRV (sv)) != aio_req_stash
264	&& !sv_derived_from (sv, "IO::AIO::REQ")))	391	&& !sv_derived_from (sv, "IO::AIO::REQ")))
265	croak ("object of class IO::AIO::REQ expected");	392	croak ("object of class IO::AIO::REQ expected");
266		393
267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	394	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268		395
269	return mg ? (aio_req)mg->mg_ptr : 0;	396	return mg ? (aio_req)mg->mg_ptr : 0;
270	}	397	}
271		398
		399	static aio_wd
		400	SvAIO_WD (SV *sv)
		401	{
		402	if (!SvROK (sv)
		403	|| SvTYPE (SvRV (sv)) != SVt_PVMG
		404	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
		405	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		406
		407	return (aio_wd)(long)SvIVX (SvRV (sv));
		408	}
		409
		410	static void
272	static void aio_grp_feed (aio_req grp)	411	aio_grp_feed (aio_req grp)
273	{	412	{
274	if (grp->sv2 && SvOK (grp->sv2))	413	if (grp->sv2 && SvOK (grp->sv2))
275	{	414	{
276	dSP;	415	dSP;
277		416
…		…
285	FREETMPS;	424	FREETMPS;
286	LEAVE;	425	LEAVE;
287	}	426	}
288	}	427	}
289		428
		429	static void
290	static void req_submit (eio_req *req)	430	req_submit (eio_req *req)
291	{	431	{
292	eio_submit (req);	432	eio_submit (req);
293		433
294	if (expect_false (on_next_submit))	434	if (expect_false (on_next_submit))
295	{	435	{
…		…
302	PUTBACK;	442	PUTBACK;
303	call_sv (cb, G_DISCARD | G_EVAL);	443	call_sv (cb, G_DISCARD | G_EVAL);
304	}	444	}
305	}	445	}
306		446
		447	static int
307	static int req_invoke (eio_req *req)	448	req_invoke (eio_req *req)
308	{	449	{
309	dSP;
310
311	if (req->flags & FLAG_SV2_RO_OFF)	450	if (req->flags & FLAG_SV2_RO_OFF)
312	SvREADONLY_off (req->sv2);	451	SvREADONLY_off (req->sv2);
313		452
314	if (!EIO_CANCELLED (req) && req->callback)	453	if (!EIO_CANCELLED (req) && req->callback)
315	{	454	{
		455	dSP;
		456	static SV *sv_result_cache; /* caches the result integer SV */
		457	SV *sv_result;
		458
316	ENTER;	459	ENTER;
317	SAVETMPS;	460	SAVETMPS;
318	PUSHMARK (SP);	461	PUSHMARK (SP);
319	EXTEND (SP, 1);	462	EXTEND (SP, 1);
320		463
		464	/* do not recreate the result IV from scratch each time */
		465	if (expect_true (sv_result_cache))
		466	{
		467	sv_result = sv_result_cache; sv_result_cache = 0;
		468	SvIV_set (sv_result, req->result);
		469	SvIOK_only (sv_result);
		470	}
		471	else
		472	{
		473	sv_result = newSViv (req->result);
		474	SvREADONLY_on (sv_result);
		475	}
		476
321	switch (req->type)	477	switch (req->type)
322	{	478	{
		479	case EIO_WD_OPEN:
		480	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		481	break;
		482
323	case EIO_READDIR:	483	case EIO_READDIR:
324	{	484	{
325	SV *rv = &PL_sv_undef;	485	SV *rv = &PL_sv_undef;
326		486
327	if (req->result >= 0)	487	if (req->result >= 0)
…		…
415	case EIO_STATVFS:	575	case EIO_STATVFS:
416	case EIO_FSTATVFS:	576	case EIO_FSTATVFS:
417	{	577	{
418	SV *rv = &PL_sv_undef;	578	SV *rv = &PL_sv_undef;
419		579
		580	#ifndef _WIN32
420	if (req->result >= 0)	581	if (req->result >= 0)
421	{	582	{
422	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	583	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
423	HV *hv = newHV ();	584	HV *hv = newHV ();
424		585
…		…
434	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	595	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
435	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	596	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
436	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	597	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
437	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	598	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
438	}	599	}
		600	#endif
439		601
440	PUSHs (rv);	602	PUSHs (rv);
441	}	603	}
442		604
443	break;	605	break;
…		…
459	case EIO_NOP:	621	case EIO_NOP:
460	case EIO_BUSY:	622	case EIO_BUSY:
461	break;	623	break;
462		624
463	case EIO_READLINK:	625	case EIO_READLINK:
		626	case EIO_REALPATH:
464	if (req->result > 0)	627	if (req->result > 0)
465	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	628	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
466	break;	629	break;
467		630
468	case EIO_STAT:	631	case EIO_STAT:
469	case EIO_LSTAT:	632	case EIO_LSTAT:
470	case EIO_FSTAT:	633	case EIO_FSTAT:
471	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	634	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		635
472	PL_laststatval = req->result;	636	if (!(PL_laststatval = req->result))
		637	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
473	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	638	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474	PUSHs (sv_2mortal (newSViv (req->result)));	639
		640	PUSHs (sv_result);
475	break;	641	break;
476		642
477	case EIO_READ:	643	case EIO_READ:
478	{	644	{
479	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	645	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
480	*SvEND (req->sv2) = 0;	646	*SvEND (req->sv2) = 0;
481	SvPOK_only (req->sv2);	647	SvPOK_only (req->sv2);
482	SvSETMAGIC (req->sv2);	648	SvSETMAGIC (req->sv2);
483	PUSHs (sv_2mortal (newSViv (req->result)));	649	PUSHs (sv_result);
484	}	650	}
485	break;	651	break;
486		652
487	case EIO_DUP2:	653	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488	if (req->result > 0)	654	if (req->result > 0)
489	req->result = 0;	655	SvIV_set (sv_result, 0);
490	/* FALLTHROUGH */	656	/* FALLTHROUGH */
491		657
492	default:	658	default:
493	PUSHs (sv_2mortal (newSViv (req->result)));	659	PUSHs (sv_result);
494	break;	660	break;
495	}	661	}
496		662
497	errno = req->errorno;	663	errno = req->errorno;
498		664
499	PUTBACK;	665	PUTBACK;
500	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	666	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501	SPAGAIN;	667	SPAGAIN;
502		668
		669	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		670	SvREFCNT_dec (sv_result);
		671	else
		672	sv_result_cache = sv_result;
		673
503	FREETMPS;	674	FREETMPS;
504	LEAVE;	675	LEAVE;
505		676
506	PUTBACK;	677	PUTBACK;
507	}	678	}
508		679
509	return !!SvTRUE (ERRSV);	680	return !!SvTRUE (ERRSV);
510	}	681	}
511		682
		683	static void
512	static void req_destroy (aio_req req)	684	req_destroy (aio_req req)
513	{	685	{
514	if (req->self)	686	if (req->self)
515	{	687	{
516	sv_unmagic (req->self, PERL_MAGIC_ext);	688	sv_unmagic (req->self, PERL_MAGIC_ext);
517	SvREFCNT_dec (req->self);	689	SvREFCNT_dec (req->self);
518	}	690	}
519		691
520	SvREFCNT_dec (req->sv1);	692	SvREFCNT_dec (req->sv1);
521	SvREFCNT_dec (req->sv2);	693	SvREFCNT_dec (req->sv2);
		694	SvREFCNT_dec (req->sv3);
		695	SvREFCNT_dec (req->sv4);
522	SvREFCNT_dec (req->callback);	696	SvREFCNT_dec (req->callback);
523		697
524	Safefree (req);	698	free (req);
525	}	699	}
526		700
		701	static void
527	static void req_cancel_subs (aio_req grp)	702	req_cancel_subs (aio_req grp)
528	{	703	{
529	aio_req sub;
530
531	if (grp->type != EIO_GROUP)	704	if (grp->type != EIO_GROUP)
532	return;	705	return;
533		706
534	SvREFCNT_dec (grp->sv2);	707	SvREFCNT_dec (grp->sv2);
535	grp->sv2 = 0;	708	grp->sv2 = 0;
536		709
537	eio_grp_cancel (grp);	710	eio_grp_cancel (grp);
538	}	711	}
539		712
540	static void	713	static void ecb_cold
541	create_respipe (void)	714	create_respipe (void)
542	{	715	{
543	if (s_epipe_renew (&respipe))	716	if (s_epipe_renew (&respipe))
544	croak ("IO::AIO: unable to initialize result pipe");	717	croak ("IO::AIO: unable to initialize result pipe");
545	}	718	}
546		719
547	static void poll_wait (void)	720	static void
		721	poll_wait (void)
548	{	722	{
549	while (eio_nreqs ())	723	while (eio_nreqs ())
550	{	724	{
551	int size;	725	int size;
552		726
…		…
561		735
562	s_epipe_wait (&respipe);	736	s_epipe_wait (&respipe);
563	}	737	}
564	}	738	}
565		739
566	static int poll_cb (void)	740	static int
		741	poll_cb (void)
567	{	742	{
568	for (;;)	743	for (;;)
569	{	744	{
570	int res = eio_poll ();	745	int res = eio_poll ();
571		746
…		…
577		752
578	poll_wait ();	753	poll_wait ();
579	}	754	}
580	}	755	}
581		756
582	static void atfork_child (void)	757	static void ecb_cold
		758	reinit (void)
583	{	759	{
584	create_respipe ();	760	create_respipe ();
		761
		762	if (eio_init (want_poll, done_poll) < 0)
		763	croak ("IO::AIO: unable to initialise eio library");
585	}	764	}
586		765
587	/*****************************************************************************/	766	/*****************************************************************************/
588		767
589	#if !_POSIX_MAPPED_FILES	768	#if !_POSIX_MAPPED_FILES
590	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)	769	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591	# define munmap(addr,length) (errno = ENOSYS, -1)	770	# define munmap(addr,length) (errno = ENOSYS, -1)
592	#endif	771	#endif
593		772
		773	#if !_POSIX_MEMORY_PROTECTION
		774	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		775	# define PROT_NONE 0
		776	# define PROT_WRITE 0
		777	# define MAP_PRIVATE 0
		778	# define MAP_SHARED 0
		779	# define MAP_FIXED 0
		780	#endif
		781
594	#define MMAP_MAGIC PERL_MAGIC_ext	782	#define MMAP_MAGIC PERL_MAGIC_ext
595		783
596	static int	784	static int ecb_cold
597	mmap_free (pTHX_ SV *sv, MAGIC *mg)	785	mmap_free (pTHX_ SV *sv, MAGIC *mg)
598	{	786	{
599	int old_errno = errno;	787	int old_errno = errno;
600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);	788	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601	errno = old_errno;	789	errno = old_errno;
602		790
603	mg->mg_obj = 0; /* just in case */	791	mg->mg_obj = 0; /* just in case */
604		792
605	SvREADONLY_off (sv);	793	SvREADONLY_off (sv);
		794
		795	if (SvPVX (sv) != mg->mg_ptr)
		796	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		797
606	SvCUR_set (sv, 0);	798	SvCUR_set (sv, 0);
607	SvLEN_set (sv, 0);
608	SvPVX (sv) = 0;	799	SvPVX (sv) = 0;
609	SvOK_off (sv);	800	SvOK_off (sv);
610		801
611	return 0;	802	return 0;
612	}	803	}
…		…
622	{	813	{
623	SvGETMAGIC (cb_sv);	814	SvGETMAGIC (cb_sv);
624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	815	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625	}	816	}
626		817
		818	static aio_req ecb_noinline
		819	dreq (SV *callback)
		820	{
		821	SV *cb_cv;
		822	aio_req req;
		823	int req_pri = next_pri;
		824	next_pri = EIO_PRI_DEFAULT;
		825
		826	cb_cv = get_cb (callback);
		827
		828	req = calloc (sizeof (*req), 1);
		829	if (!req)
		830	croak ("out of memory during eio_req allocation");
		831
		832	req->callback = SvREFCNT_inc (cb_cv);
		833	req->pri = req_pri;
		834
		835	return req;
		836	}
		837
627	#define dREQ \	838	#define dREQ \
628	SV *cb_cv; \	839	aio_req req = dreq (callback); \
629	aio_req req; \
630	int req_pri = next_pri; \
631	next_pri = EIO_PRI_DEFAULT; \
632	\
633	cb_cv = get_cb (callback); \
634	\
635	Newz (0, req, 1, eio_req); \
636	if (!req) \
637	croak ("out of memory during eio_req allocation"); \
638	\
639	req->callback = SvREFCNT_inc (cb_cv); \
640	req->pri = req_pri
641		840
642	#define REQ_SEND \	841	#define REQ_SEND \
643	PUTBACK; \	842	PUTBACK; \
644	req_submit (req); \	843	req_submit (req); \
645	SPAGAIN; \	844	SPAGAIN; \
646	\	845	\
647	if (GIMME_V != G_VOID) \	846	if (GIMME_V != G_VOID) \
648	XPUSHs (req_sv (req, aio_req_stash));	847	XPUSHs (req_sv (req, aio_req_stash));
		848
		849	ecb_inline void
		850	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		851	{
		852	if (expect_false (SvROK (path)))
		853	{
		854	SV *rv = SvRV (path);
		855	SV *wdob;
		856
		857	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
		858	{
		859	path = AvARRAY (rv)[1];
		860	wdob = AvARRAY (rv)[0];
		861
		862	if (SvOK (wdob))
		863	{
		864	*wd = SvAIO_WD (wdob);
		865	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		866	}
		867	else
		868	*wd = EIO_INVALID_WD;
		869	}
		870	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		871	{
		872	*wd = (aio_wd)(long)SvIVX (rv);
		873	*wdsv = SvREFCNT_inc_NN (rv);
		874	*ptr = ".";
		875	return; /* path set to "." */
		876	}
		877	else
		878	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		879	}
		880
		881	*pathsv = newSVsv (path);
		882	*ptr = SvPVbyte_nolen (*pathsv);
		883	}
		884
		885	static void ecb_noinline
		886	req_set_path1 (aio_req req, SV *path)
		887	{
		888	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		889	}
		890
		891	static void ecb_noinline
		892	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		893	{
		894	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		895
		896	switch (SvTYPE (rv))
		897	{
		898	case SVt_PVIO:
		899	case SVt_PVLV:
		900	case SVt_PVGV:
		901	req->type = type_fh;
		902	req->sv1 = newSVsv (fh_or_path);
		903	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		904	break;
		905
		906	default:
		907	req->type = type_path;
		908	req_set_path1 (req, fh_or_path);
		909	break;
		910	}
		911	}
		912
		913	XS(boot_IO__AIO) ecb_cold;
649		914
650	MODULE = IO::AIO PACKAGE = IO::AIO	915	MODULE = IO::AIO PACKAGE = IO::AIO
651		916
652	PROTOTYPES: ENABLE	917	PROTOTYPES: ENABLE
653		918
…		…
667	const_iv (O_RDWR)	932	const_iv (O_RDWR)
668	const_iv (O_CREAT)	933	const_iv (O_CREAT)
669	const_iv (O_TRUNC)	934	const_iv (O_TRUNC)
670	const_iv (O_EXCL)	935	const_iv (O_EXCL)
671	const_iv (O_APPEND)	936	const_iv (O_APPEND)
672	#ifndef _WIN32	937
		938	const_iv (O_ASYNC)
		939	const_iv (O_DIRECT)
		940	const_iv (O_NOATIME)
		941
		942	const_iv (O_CLOEXEC)
		943	const_iv (O_NOCTTY)
		944	const_iv (O_NOFOLLOW)
		945	const_iv (O_NONBLOCK)
		946	const_iv (O_EXEC)
		947	const_iv (O_SEARCH)
		948	const_iv (O_DIRECTORY)
		949	const_iv (O_DSYNC)
		950	const_iv (O_RSYNC)
		951	const_iv (O_SYNC)
		952	const_iv (O_TTY_INIT)
		953
673	const_iv (S_IFIFO)	954	const_iv (S_IFIFO)
674	#endif	955	const_iv (S_IFCHR)
		956	const_iv (S_IFBLK)
		957	const_iv (S_IFLNK)
		958	const_iv (S_IFREG)
		959	const_iv (S_IFDIR)
		960	const_iv (S_IFWHT)
		961	const_iv (S_IFSOCK)
		962	const_iv (S_IFMT)
		963
675	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)	964	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
676	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	965	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
677	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)	966	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
678	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	967	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
679	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	968	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
680	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	969	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		970
		971	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		972	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		973	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		974	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		975	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
681		976
682	const_iv (ST_RDONLY)	977	const_iv (ST_RDONLY)
683	const_iv (ST_NOSUID)	978	const_iv (ST_NOSUID)
684	const_iv (ST_NODEV)	979	const_iv (ST_NODEV)
685	const_iv (ST_NOEXEC)	980	const_iv (ST_NOEXEC)
…		…
690	const_iv (ST_IMMUTABLE)	985	const_iv (ST_IMMUTABLE)
691	const_iv (ST_NOATIME)	986	const_iv (ST_NOATIME)
692	const_iv (ST_NODIRATIME)	987	const_iv (ST_NODIRATIME)
693	const_iv (ST_RELATIME)	988	const_iv (ST_RELATIME)
694		989
		990	const_iv (PROT_NONE)
695	const_iv (PROT_EXEC)	991	const_iv (PROT_EXEC)
696	const_iv (PROT_NONE)
697	const_iv (PROT_READ)	992	const_iv (PROT_READ)
698	const_iv (PROT_WRITE)	993	const_iv (PROT_WRITE)
699		994
700	/*const_iv (MAP_FIXED)*/	995	/*const_iv (MAP_FIXED)*/
701	const_iv (MAP_PRIVATE)	996	const_iv (MAP_PRIVATE)
…		…
707	const_iv (MAP_LOCKED)	1002	const_iv (MAP_LOCKED)
708	const_iv (MAP_NORESERVE)	1003	const_iv (MAP_NORESERVE)
709	const_iv (MAP_POPULATE)	1004	const_iv (MAP_POPULATE)
710	const_iv (MAP_NONBLOCK)	1005	const_iv (MAP_NONBLOCK)
711		1006
712	const_iv (MCL_FUTURE)	1007	const_eio (MCL_FUTURE)
713	const_iv (MCL_CURRENT)	1008	const_eio (MCL_CURRENT)
714		1009
715	const_eio (MS_ASYNC)	1010	const_eio (MS_ASYNC)
716	const_eio (MS_INVALIDATE)	1011	const_eio (MS_INVALIDATE)
717	const_eio (MS_SYNC)	1012	const_eio (MS_SYNC)
718		1013
719	const_eio (MT_MODIFY)	1014	const_eio (MT_MODIFY)
720		1015
721	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1016	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
722	const_eio (SYNC_FILE_RANGE_WRITE)	1017	const_eio (SYNC_FILE_RANGE_WRITE)
723	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1018	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1019
		1020	const_eio (FALLOC_FL_KEEP_SIZE)
724		1021
725	const_eio (READDIR_DENTS)	1022	const_eio (READDIR_DENTS)
726	const_eio (READDIR_DIRS_FIRST)	1023	const_eio (READDIR_DIRS_FIRST)
727	const_eio (READDIR_STAT_ORDER)	1024	const_eio (READDIR_STAT_ORDER)
728	const_eio (READDIR_FOUND_UNKNOWN)	1025	const_eio (READDIR_FOUND_UNKNOWN)
…		…
739	};	1036	};
740		1037
741	aio_stash = gv_stashpv ("IO::AIO" , 1);	1038	aio_stash = gv_stashpv ("IO::AIO" , 1);
742	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);	1039	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
743	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	1040	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1041	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
744		1042
745	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1043	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
746	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	1044	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
747		1045
748	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1046	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
749		1047
750	create_respipe ();	1048	reinit ();
751
752	if (eio_init (want_poll, done_poll) < 0)
753	croak ("IO::AIO: unable to initialise eio library");
754
755	/* atfork child called in fifo order, so before eio's handler */
756	X_THREAD_ATFORK (0, 0, atfork_child);
757	}	1049	}
758		1050
759	void	1051	void
		1052	reinit ()
		1053	PROTOTYPE:
		1054
		1055	void
760	max_poll_reqs (int nreqs)	1056	max_poll_reqs (unsigned int nreqs)
761	PROTOTYPE: $	1057	PROTOTYPE: $
762	CODE:	1058	CODE:
763	eio_set_max_poll_reqs (nreqs);	1059	eio_set_max_poll_reqs (nreqs);
764		1060
765	void	1061	void
…		…
767	PROTOTYPE: $	1063	PROTOTYPE: $
768	CODE:	1064	CODE:
769	eio_set_max_poll_time (nseconds);	1065	eio_set_max_poll_time (nseconds);
770		1066
771	void	1067	void
772	min_parallel (int nthreads)	1068	min_parallel (unsigned int nthreads)
773	PROTOTYPE: $	1069	PROTOTYPE: $
774	CODE:	1070	CODE:
775	eio_set_min_parallel (nthreads);	1071	eio_set_min_parallel (nthreads);
776		1072
777	void	1073	void
778	max_parallel (int nthreads)	1074	max_parallel (unsigned int nthreads)
779	PROTOTYPE: $	1075	PROTOTYPE: $
780	CODE:	1076	CODE:
781	eio_set_max_parallel (nthreads);	1077	eio_set_max_parallel (nthreads);
782		1078
783	void	1079	void
784	max_idle (int nthreads)	1080	max_idle (unsigned int nthreads)
785	PROTOTYPE: $	1081	PROTOTYPE: $
786	CODE:	1082	CODE:
787	eio_set_max_idle (nthreads);	1083	eio_set_max_idle (nthreads);
788		1084
789	void	1085	void
		1086	idle_timeout (unsigned int seconds)
		1087	PROTOTYPE: $
		1088	CODE:
		1089	eio_set_idle_timeout (seconds);
		1090
		1091	void
790	max_outstanding (int maxreqs)	1092	max_outstanding (unsigned int maxreqs)
791	PROTOTYPE: $	1093	PROTOTYPE: $
792	CODE:	1094	CODE:
793	max_outstanding = maxreqs;	1095	max_outstanding = maxreqs;
794		1096
795	void	1097	void
		1098	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1099	PPCODE:
		1100	{
		1101	dREQ;
		1102
		1103	req->type = EIO_WD_OPEN;
		1104	req_set_path1 (req, pathname);
		1105
		1106	REQ_SEND;
		1107	}
		1108
		1109	void
796	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1110	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
797	PROTOTYPE: $$$;$
798	PPCODE:	1111	PPCODE:
799	{	1112	{
800	dREQ;	1113	dREQ;
801		1114
802	req->type = EIO_OPEN;	1115	req->type = EIO_OPEN;
803	req->sv1 = newSVsv (pathname);	1116	req_set_path1 (req, pathname);
804	req->ptr1 = SvPVbyte_nolen (req->sv1);
805	req->int1 = flags;	1117	req->int1 = flags;
806	req->int2 = mode;	1118	req->int2 = mode;
807		1119
808	REQ_SEND;	1120	REQ_SEND;
809	}	1121	}
810		1122
811	void	1123	void
812	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1124	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
813	PROTOTYPE: $;$
814	ALIAS:	1125	ALIAS:
815	aio_fsync = EIO_FSYNC	1126	aio_fsync = EIO_FSYNC
816	aio_fdatasync = EIO_FDATASYNC	1127	aio_fdatasync = EIO_FDATASYNC
		1128	aio_syncfs = EIO_SYNCFS
817	PPCODE:	1129	PPCODE:
818	{	1130	{
819	int fd = s_fileno_croak (fh, 0);	1131	int fd = s_fileno_croak (fh, 0);
820	dREQ;	1132	dREQ;
821		1133
…		…
826	REQ_SEND (req);	1138	REQ_SEND (req);
827	}	1139	}
828		1140
829	void	1141	void
830	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1142	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
831	PROTOTYPE: $$$$;$
832	PPCODE:	1143	PPCODE:
833	{	1144	{
834	int fd = s_fileno_croak (fh, 0);	1145	int fd = s_fileno_croak (fh, 0);
835	dREQ;	1146	dREQ;
836		1147
…		…
843		1154
844	REQ_SEND (req);	1155	REQ_SEND (req);
845	}	1156	}
846		1157
847	void	1158	void
848	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1159	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
849	PROTOTYPE: $;$
850	PPCODE:	1160	PPCODE:
851	{	1161	{
852	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
853	int fd = s_fileno_croak (fh, 0);	1162	int fd = s_fileno_croak (fh, 0);
854	dREQ;	1163	dREQ;
855		1164
856	if (close_pipe < 0)	1165	req->type = EIO_FALLOCATE;
		1166	req->sv1 = newSVsv (fh);
		1167	req->int1 = fd;
		1168	req->int2 = mode;
		1169	req->offs = offset;
		1170	req->size = len;
		1171
		1172	REQ_SEND (req);
		1173	}
		1174
		1175	void
		1176	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1177	PPCODE:
		1178	{
		1179	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1180	int fd = s_fileno_croak (fh, 0);
		1181	dREQ;
		1182
		1183	if (expect_false (close_fd < 0))
857	{	1184	{
858	int pipefd [2];	1185	int pipefd [2];
859		1186
		1187	if (
		1188	#ifdef _WIN32
		1189	_pipe (pipefd, 1, _O_BINARY) < 0
		1190	#else
860	if (pipe (pipefd) < 0	1191	pipe (pipefd) < 0
861	|| close (pipefd [1]) < 0
862	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1192	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1193	#endif
		1194	|| close (pipefd [1]) < 0
		1195	)
863	abort (); /*D*/	1196	abort (); /*D*/
864		1197
865	close_pipe = pipefd [0];	1198	close_fd = pipefd [0];
866	}	1199	}
867		1200
868	req->type = EIO_DUP2;	1201	req->type = EIO_DUP2;
869	req->int1 = close_pipe;	1202	req->int1 = close_fd;
870	req->sv2 = newSVsv (fh);	1203	req->sv2 = newSVsv (fh);
871	req->int2 = fd;	1204	req->int2 = fd;
872		1205
873	REQ_SEND (req);	1206	REQ_SEND (req);
874	}	1207	}
…		…
876	void	1209	void
877	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1210	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
878	ALIAS:	1211	ALIAS:
879	aio_read = EIO_READ	1212	aio_read = EIO_READ
880	aio_write = EIO_WRITE	1213	aio_write = EIO_WRITE
881	PROTOTYPE: $$$$$;$
882	PPCODE:	1214	PPCODE:
883	{	1215	{
884	STRLEN svlen;	1216	STRLEN svlen;
885	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1217	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
886	char *svptr = SvPVbyte (data, svlen);	1218	char *svptr = SvPVbyte (data, svlen);
…		…
926	REQ_SEND;	1258	REQ_SEND;
927	}	1259	}
928	}	1260	}
929		1261
930	void	1262	void
931	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1263	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
932	PROTOTYPE: $$;$	1264	ALIAS:
		1265	aio_readlink = EIO_READLINK
		1266	aio_realpath = EIO_REALPATH
933	PPCODE:	1267	PPCODE:
934	{	1268	{
935	SV *data;
936	dREQ;	1269	dREQ;
937		1270
938	req->type = EIO_READLINK;	1271	req->type = ix;
939	req->sv1 = newSVsv (path);	1272	req_set_path1 (req, pathname);
940	req->ptr1 = SvPVbyte_nolen (req->sv1);
941		1273
942	REQ_SEND;	1274	REQ_SEND;
943	}	1275	}
944		1276
945	void	1277	void
946	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1278	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
947	PROTOTYPE: $$$$;$
948	PPCODE:	1279	PPCODE:
949	{	1280	{
950	int ifd = s_fileno_croak (in_fh , 0);	1281	int ifd = s_fileno_croak (in_fh , 0);
951	int ofd = s_fileno_croak (out_fh, 1);	1282	int ofd = s_fileno_croak (out_fh, 1);
952	dREQ;	1283	dREQ;
…		…
962	REQ_SEND;	1293	REQ_SEND;
963	}	1294	}
964		1295
965	void	1296	void
966	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1297	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
967	PROTOTYPE: $$$;$
968	PPCODE:	1298	PPCODE:
969	{	1299	{
970	int fd = s_fileno_croak (fh, 0);	1300	int fd = s_fileno_croak (fh, 0);
971	dREQ;	1301	dREQ;
972		1302
…		…
987	aio_statvfs = EIO_STATVFS	1317	aio_statvfs = EIO_STATVFS
988	PPCODE:	1318	PPCODE:
989	{	1319	{
990	dREQ;	1320	dREQ;
991		1321
992	req->sv1 = newSVsv (fh_or_path);	1322	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
993
994	if (SvPOK (req->sv1))
995	{
996	req->type = ix;
997	req->ptr1 = SvPVbyte_nolen (req->sv1);
998	}
999	else
1000	{
1001	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1002	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1003	}
1004		1323
1005	REQ_SEND;	1324	REQ_SEND;
1006	}	1325	}
		1326
		1327	UV
		1328	major (UV dev)
		1329	ALIAS:
		1330	minor = 1
		1331	CODE:
		1332	RETVAL = ix ? major (dev) : minor (dev);
		1333	OUTPUT:
		1334	RETVAL
		1335
		1336	UV
		1337	makedev (UV maj, UV min)
		1338	CODE:
		1339	RETVAL = makedev (maj, min);
		1340	OUTPUT:
		1341	RETVAL
1007		1342
1008	void	1343	void
1009	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1344	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1010	PPCODE:	1345	PPCODE:
1011	{	1346	{
1012	dREQ;	1347	dREQ;
1013		1348
1014	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1349	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1015	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1350	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1016	req->sv1 = newSVsv (fh_or_path);	1351	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1017
1018	if (SvPOK (req->sv1))
1019	{
1020	req->type = EIO_UTIME;
1021	req->ptr1 = SvPVbyte_nolen (req->sv1);
1022	}
1023	else
1024	{
1025	req->type = EIO_FUTIME;
1026	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1027	}
1028		1352
1029	REQ_SEND;	1353	REQ_SEND;
1030	}	1354	}
1031		1355
1032	void	1356	void
1033	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1357	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1034	PPCODE:	1358	PPCODE:
1035	{	1359	{
1036	dREQ;	1360	dREQ;
1037		1361
1038	req->sv1 = newSVsv (fh_or_path);
1039	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1362	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1040		1363	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1041	if (SvPOK (req->sv1))
1042	{
1043	req->type = EIO_TRUNCATE;
1044	req->ptr1 = SvPVbyte_nolen (req->sv1);
1045	}
1046	else
1047	{
1048	req->type = EIO_FTRUNCATE;
1049	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1050	}
1051		1364
1052	REQ_SEND;	1365	REQ_SEND;
1053	}	1366	}
1054		1367
1055	void	1368	void
1056	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1369	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1057	ALIAS:
1058	aio_chmod = EIO_CHMOD
1059	aio_mkdir = EIO_MKDIR
1060	PPCODE:	1370	PPCODE:
1061	{	1371	{
1062	dREQ;	1372	dREQ;
1063		1373
1064	req->int2 = mode;	1374	req->int2 = mode;
1065	req->sv1 = newSVsv (fh_or_path);	1375	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1066
1067	if (SvPOK (req->sv1))
1068	{
1069	req->type = ix;
1070	req->ptr1 = SvPVbyte_nolen (req->sv1);
1071	}
1072	else
1073	{
1074	req->type = EIO_FCHMOD;
1075	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1076	}
1077		1376
1078	REQ_SEND;	1377	REQ_SEND;
1079	}	1378	}
1080		1379
1081	void	1380	void
…		…
1084	{	1383	{
1085	dREQ;	1384	dREQ;
1086		1385
1087	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1386	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1088	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1387	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1089	req->sv1 = newSVsv (fh_or_path);	1388	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1090
1091	if (SvPOK (req->sv1))
1092	{
1093	req->type = EIO_CHOWN;
1094	req->ptr1 = SvPVbyte_nolen (req->sv1);
1095	}
1096	else
1097	{
1098	req->type = EIO_FCHOWN;
1099	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1100	}
1101		1389
1102	REQ_SEND;	1390	REQ_SEND;
1103	}	1391	}
1104		1392
1105	void	1393	void
…		…
1107	PPCODE:	1395	PPCODE:
1108	{	1396	{
1109	dREQ;	1397	dREQ;
1110		1398
1111	req->type = EIO_READDIR;	1399	req->type = EIO_READDIR;
1112	req->sv1 = newSVsv (pathname);
1113	req->ptr1 = SvPVbyte_nolen (req->sv1);
1114	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1400	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1115		1401
1116	if (flags & EIO_READDIR_DENTS)	1402	if (flags & EIO_READDIR_DENTS)
1117	req->int1 |= EIO_READDIR_CUSTOM2;	1403	req->int1 |= EIO_READDIR_CUSTOM2;
1118		1404
		1405	req_set_path1 (req, pathname);
		1406
1119	REQ_SEND;	1407	REQ_SEND;
		1408	}
		1409
		1410	void
		1411	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1412	PPCODE:
		1413	{
		1414	dREQ;
		1415
		1416	req->type = EIO_MKDIR;
		1417	req->int2 = mode;
		1418	req_set_path1 (req, pathname);
		1419
		1420	REQ_SEND;
1120	}	1421	}
1121		1422
1122	void	1423	void
1123	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1424	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1124	ALIAS:	1425	ALIAS:
…		…
1128	PPCODE:	1429	PPCODE:
1129	{	1430	{
1130	dREQ;	1431	dREQ;
1131		1432
1132	req->type = ix;	1433	req->type = ix;
1133	req->sv1 = newSVsv (pathname);	1434	req_set_path1 (req, pathname);
1134	req->ptr1 = SvPVbyte_nolen (req->sv1);
1135		1435
1136	REQ_SEND;	1436	REQ_SEND;
1137	}	1437	}
1138		1438
1139	void	1439	void
…		…
1142	aio_link = EIO_LINK	1442	aio_link = EIO_LINK
1143	aio_symlink = EIO_SYMLINK	1443	aio_symlink = EIO_SYMLINK
1144	aio_rename = EIO_RENAME	1444	aio_rename = EIO_RENAME
1145	PPCODE:	1445	PPCODE:
1146	{	1446	{
		1447	eio_wd wd2 = 0;
1147	dREQ;	1448	dREQ;
1148		1449
1149	req->type = ix;	1450	req->type = ix;
1150	req->sv1 = newSVsv (oldpath);	1451	req_set_path1 (req, oldpath);
1151	req->ptr1 = SvPVbyte_nolen (req->sv1);	1452	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1152	req->sv2 = newSVsv (newpath);	1453	req->int3 = (long)wd2;
1153	req->ptr2 = SvPVbyte_nolen (req->sv2);
1154		1454
1155	REQ_SEND;	1455	REQ_SEND;
1156	}	1456	}
1157		1457
1158	void	1458	void
…		…
1160	PPCODE:	1460	PPCODE:
1161	{	1461	{
1162	dREQ;	1462	dREQ;
1163		1463
1164	req->type = EIO_MKNOD;	1464	req->type = EIO_MKNOD;
1165	req->sv1 = newSVsv (pathname);
1166	req->ptr1 = SvPVbyte_nolen (req->sv1);
1167	req->int2 = (mode_t)mode;	1465	req->int2 = (mode_t)mode;
1168	req->offs = dev;	1466	req->offs = dev;
		1467	req_set_path1 (req, pathname);
1169		1468
1170	REQ_SEND;	1469	REQ_SEND;
1171	}	1470	}
1172		1471
1173	void	1472	void
1174	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1473	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1175	ALIAS:	1474	ALIAS:
1176	aio_mtouch = EIO_MTOUCH	1475	aio_mtouch = EIO_MTOUCH
1177	aio_msync = EIO_MSYNC	1476	aio_msync = EIO_MSYNC
1178	PROTOTYPE: $$$$;$
1179	PPCODE:	1477	PPCODE:
1180	{	1478	{
1181	STRLEN svlen;	1479	STRLEN svlen;
		1480	char *svptr = SvPVbyte (data, svlen);
1182	UV len = SvUV (length);	1481	UV len = SvUV (length);
1183	char *svptr = SvPVbyte (data, svlen);
1184		1482
1185	if (offset < 0)	1483	if (offset < 0)
1186	offset += svlen;	1484	offset += svlen;
1187		1485
1188	if (offset < 0 || offset > svlen)	1486	if (offset < 0 || offset > svlen)
…		…
1193		1491
1194	{	1492	{
1195	dREQ;	1493	dREQ;
1196		1494
1197	req->type = ix;	1495	req->type = ix;
1198	req->size = len;
1199	req->sv2 = SvREFCNT_inc (data);	1496	req->sv2 = SvREFCNT_inc (data);
1200	req->ptr2 = (char *)svptr + offset;	1497	req->ptr2 = (char *)svptr + offset;
		1498	req->size = len;
1201	req->int1 = flags;	1499	req->int1 = flags;
1202		1500
1203	REQ_SEND;	1501	REQ_SEND;
1204	}	1502	}
1205	}	1503	}
1206		1504
1207	void	1505	void
		1506	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1507	PPCODE:
		1508	{
		1509	STRLEN svlen;
		1510	char *svptr = SvPVbyte (data, svlen);
		1511	UV len = SvUV (length);
		1512
		1513	if (offset < 0)
		1514	offset += svlen;
		1515
		1516	if (offset < 0 || offset > svlen)
		1517	croak ("offset outside of scalar");
		1518
		1519	if (!SvOK (length) || len + offset > svlen)
		1520	len = svlen - offset;
		1521
		1522	{
		1523	dREQ;
		1524
		1525	req->type = EIO_MLOCK;
		1526	req->sv2 = SvREFCNT_inc (data);
		1527	req->ptr2 = (char *)svptr + offset;
		1528	req->size = len;
		1529
		1530	REQ_SEND;
		1531	}
		1532	}
		1533
		1534	void
		1535	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1536	PPCODE:
		1537	{
		1538	dREQ;
		1539
		1540	req->type = EIO_MLOCKALL;
		1541	req->int1 = flags;
		1542
		1543	REQ_SEND;
		1544	}
		1545
		1546	void
1208	aio_busy (double delay, SV *callback=&PL_sv_undef)	1547	aio_busy (double delay, SV *callback=&PL_sv_undef)
1209	PPCODE:	1548	PPCODE:
1210	{	1549	{
1211	dREQ;	1550	dREQ;
1212		1551
…		…
1216	REQ_SEND;	1555	REQ_SEND;
1217	}	1556	}
1218		1557
1219	void	1558	void
1220	aio_group (SV *callback=&PL_sv_undef)	1559	aio_group (SV *callback=&PL_sv_undef)
1221	PROTOTYPE: ;$
1222	PPCODE:	1560	PPCODE:
1223	{	1561	{
1224	dREQ;	1562	dREQ;
1225		1563
1226	req->type = EIO_GROUP;	1564	req->type = EIO_GROUP;
…		…
1243	REQ_SEND;	1581	REQ_SEND;
1244	}	1582	}
1245		1583
1246	int	1584	int
1247	aioreq_pri (int pri = 0)	1585	aioreq_pri (int pri = 0)
1248	PROTOTYPE: ;$
1249	CODE:	1586	CODE:
1250	RETVAL = next_pri;	1587	RETVAL = next_pri;
1251	if (items > 0)	1588	if (items > 0)
1252	{	1589	{
1253	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1590	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1265	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1602	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1266	next_pri = nice;	1603	next_pri = nice;
1267		1604
1268	void	1605	void
1269	flush ()	1606	flush ()
1270	PROTOTYPE:
1271	CODE:	1607	CODE:
1272	while (eio_nreqs ())	1608	while (eio_nreqs ())
1273	{	1609	{
1274	poll_wait ();	1610	poll_wait ();
1275	poll_cb ();	1611	poll_cb ();
1276	}	1612	}
1277		1613
1278	int	1614	int
1279	poll()	1615	poll ()
1280	PROTOTYPE:
1281	CODE:	1616	CODE:
1282	poll_wait ();	1617	poll_wait ();
1283	RETVAL = poll_cb ();	1618	RETVAL = poll_cb ();
1284	OUTPUT:	1619	OUTPUT:
1285	RETVAL	1620	RETVAL
1286		1621
1287	int	1622	int
1288	poll_fileno()	1623	poll_fileno ()
1289	PROTOTYPE:
1290	CODE:	1624	CODE:
1291	RETVAL = s_epipe_fd (&respipe);	1625	RETVAL = s_epipe_fd (&respipe);
1292	OUTPUT:	1626	OUTPUT:
1293	RETVAL	1627	RETVAL
1294		1628
1295	int	1629	int
1296	poll_cb(...)	1630	poll_cb (...)
1297	PROTOTYPE:	1631	PROTOTYPE:
1298	CODE:	1632	CODE:
1299	RETVAL = poll_cb ();	1633	RETVAL = poll_cb ();
1300	OUTPUT:	1634	OUTPUT:
1301	RETVAL	1635	RETVAL
1302		1636
1303	void	1637	void
1304	poll_wait()	1638	poll_wait ()
1305	PROTOTYPE:
1306	CODE:	1639	CODE:
1307	poll_wait ();	1640	poll_wait ();
1308		1641
1309	int	1642	int
1310	nreqs()	1643	nreqs ()
1311	PROTOTYPE:
1312	CODE:	1644	CODE:
1313	RETVAL = eio_nreqs ();	1645	RETVAL = eio_nreqs ();
1314	OUTPUT:	1646	OUTPUT:
1315	RETVAL	1647	RETVAL
1316		1648
1317	int	1649	int
1318	nready()	1650	nready ()
1319	PROTOTYPE:
1320	CODE:	1651	CODE:
1321	RETVAL = eio_nready ();	1652	RETVAL = eio_nready ();
1322	OUTPUT:	1653	OUTPUT:
1323	RETVAL	1654	RETVAL
1324		1655
1325	int	1656	int
1326	npending()	1657	npending ()
1327	PROTOTYPE:
1328	CODE:	1658	CODE:
1329	RETVAL = eio_npending ();	1659	RETVAL = eio_npending ();
1330	OUTPUT:	1660	OUTPUT:
1331	RETVAL	1661	RETVAL
1332		1662
1333	int	1663	int
1334	nthreads()	1664	nthreads ()
1335	PROTOTYPE:
1336	CODE:	1665	CODE:
1337	RETVAL = eio_nthreads ();	1666	RETVAL = eio_nthreads ();
1338	OUTPUT:	1667	OUTPUT:
1339	RETVAL	1668	RETVAL
1340		1669
1341	int	1670	int
1342	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1671	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1343	PROTOTYPE: $$$$
1344	CODE:	1672	CODE:
1345	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1346	RETVAL = posix_fadvise (fh, offset, length, advice);	1673	RETVAL = posix_fadvise (fh, offset, length, advice);
1347	#else
1348	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1349	#endif
1350	OUTPUT:	1674	OUTPUT:
1351	RETVAL	1675	RETVAL
1352		1676
1353	ssize_t	1677	IV
1354	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1678	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1355	PROTOTYPE: $$$$
1356	CODE:	1679	CODE:
1357	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1680	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1358	OUTPUT:	1681	OUTPUT:
1359	RETVAL	1682	RETVAL
1360		1683
1361	void	1684	void
1362	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1685	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1363	PROTOTYPE: $$$$$;$
1364	PPCODE:	1686	PPCODE:
1365	sv_unmagic (scalar, MMAP_MAGIC);	1687	sv_unmagic (scalar, MMAP_MAGIC);
1366	{	1688	{
1367	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1689	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1368	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1690	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1369	if (addr == (void *)-1)	1691	if (addr == (void *)-1)
1370	XSRETURN_NO;	1692	XSRETURN_NO;
1371		1693
		1694	sv_force_normal (scalar);
		1695
1372	/* we store the length in mg_obj, as namlen is I32 :/ */	1696	/* we store the length in mg_obj, as namlen is I32 :/ */
1373	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)	1697	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1374	->mg_obj = (SV *)length;	1698	->mg_obj = (SV *)length;
1375		1699
1376	SvUPGRADE (scalar, SVt_PV); /* nop... */	1700	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1701
1377	if (!(prot & PROT_WRITE))	1702	if (!(prot & PROT_WRITE))
1378	SvREADONLY_on (scalar);	1703	SvREADONLY_on (scalar);
		1704
		1705	if (SvLEN (scalar))
		1706	Safefree (SvPVX (scalar));
1379		1707
1380	SvPVX (scalar) = (char *)addr;	1708	SvPVX (scalar) = (char *)addr;
1381	SvCUR_set (scalar, length);	1709	SvCUR_set (scalar, length);
1382	SvLEN_set (scalar, 0);	1710	SvLEN_set (scalar, 0);
1383	SvPOK_only (scalar);	1711	SvPOK_only (scalar);
…		…
1385	XSRETURN_YES;	1713	XSRETURN_YES;
1386	}	1714	}
1387		1715
1388	void	1716	void
1389	munmap (SV *scalar)	1717	munmap (SV *scalar)
1390	PROTOTYPE: $
1391	CODE:	1718	CODE:
1392	sv_unmagic (scalar, MMAP_MAGIC);	1719	sv_unmagic (scalar, MMAP_MAGIC);
1393		1720
1394	int	1721	int
1395	mlockall (int flags)	1722	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1396	PROTOTYPE: $	1723	ALIAS:
		1724	mprotect = 1
1397	CODE:	1725	CODE:
		1726	{
		1727	STRLEN svlen;
		1728	void *addr = SvPVbyte (scalar, svlen);
		1729	size_t len = SvUV (length);
		1730
		1731	if (offset < 0)
		1732	offset += svlen;
		1733
		1734	if (offset < 0 || offset > svlen)
		1735	croak ("offset outside of scalar");
		1736
		1737	if (!SvOK (length) || len + offset > svlen)
		1738	len = svlen - offset;
		1739
		1740	addr = (void *)(((intptr_t)addr) + offset);
		1741	eio_page_align (&addr, &len);
		1742
		1743	switch (ix)
		1744	{
		1745	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1746	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1747	}
		1748	}
		1749	OUTPUT:
		1750	RETVAL
		1751
		1752	int
		1753	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1754	CODE:
		1755	{
		1756	STRLEN svlen;
		1757	void *addr = SvPVbyte (scalar, svlen);
		1758	size_t len = SvUV (length);
		1759
		1760	if (offset < 0)
		1761	offset += svlen;
		1762
		1763	if (offset < 0 || offset > svlen)
		1764	croak ("offset outside of scalar");
		1765
		1766	if (!SvOK (length) || len + offset > svlen)
		1767	len = svlen - offset;
		1768
		1769	addr = (void *)(((intptr_t)addr) + offset);
		1770	eio_page_align (&addr, &len);
1398	#if _POSIX_MEMLOCK	1771	#if _POSIX_MEMLOCK_RANGE
1399	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7	1772	RETVAL = munlock (addr, len);
1400	extern int mallopt (int, int);
1401	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1402	#endif
1403	mlockall (flags);
1404	#else	1773	#else
1405	RETVAL = -1;	1774	RETVAL = ((errno = ENOSYS), -1);
1406	errno = ENOSYS;
1407	#endif	1775	#endif
		1776	}
1408	OUTPUT:	1777	OUTPUT:
1409	RETVAL	1778	RETVAL
1410		1779
1411	int	1780	int
1412	munlockall ()	1781	munlockall ()
1413	PROTOTYPE:
1414	CODE:	1782	CODE:
1415	#if _POSIX_MEMLOCK	1783	#if _POSIX_MEMLOCK
1416	munlockall ();	1784	munlockall ();
1417	#else	1785	#else
1418	RETVAL = -1;	1786	RETVAL = -1;
…		…
1426	SvREFCNT_dec (on_next_submit);	1794	SvREFCNT_dec (on_next_submit);
1427	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1795	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1428		1796
1429	PROTOTYPES: DISABLE	1797	PROTOTYPES: DISABLE
1430		1798
		1799	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1800
		1801	BOOT:
		1802	{
		1803	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1804	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1805	}
		1806
		1807	void
		1808	DESTROY (SV *self)
		1809	CODE:
		1810	{
		1811	aio_wd wd = SvAIO_WD (self);
		1812	#if HAVE_AT
		1813	{
		1814	SV *callback = &PL_sv_undef;
		1815	dREQ; /* clobbers next_pri :/ */
		1816	next_pri = req->pri; /* restore next_pri */
		1817	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1818	req->type = EIO_WD_CLOSE;
		1819	req->wd = wd;
		1820	REQ_SEND;
		1821	}
		1822	#else
		1823	eio_wd_close_sync (wd);
		1824	#endif
		1825	}
		1826
1431	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1827	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1432		1828
1433	void	1829	void
1434	cancel (aio_req_ornot req)	1830	cancel (aio_req_ornot req)
1435	CODE:	1831	CODE:

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