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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.148 by root, Wed Jun 17 01:14:48 2009 UTC vs.
Revision 1.197 by root, Tue Sep 27 01:43:03 2011 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
17		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
18	/* perl namespace pollution */	24	/* perl namespace pollution */
19	#undef VERSION	25	#undef VERSION
20
21	#ifdef _WIN32
22
23	# define EIO_STRUCT_DIRENT Direntry_t
24	# undef malloc
25	# undef free
26
27	// perl overrides all those nice win32 functions
28	# undef open
29	# undef read
30	# undef write
31	# undef send
32	# undef recv
33	# undef stat
34	# undef fstat
35	# define lstat stat
36	# undef truncate
37	# undef ftruncate
38	# undef open
39	# undef close
40	# undef unlink
41	# undef rmdir
42	# undef rename
43	# undef lseek
44
45	# define chown(a,b,c) (errno = ENOSYS, -1)
46	# define fchown(a,b,c) (errno = ENOSYS, -1)
47	# define fchmod(a,b) (errno = ENOSYS, -1)
48	# define symlink(a,b) (errno = ENOSYS, -1)
49	# define readlink(a,b,c) (errno = ENOSYS, -1)
50	# define mknod(a,b,c) (errno = ENOSYS, -1)
51	# define truncate(a,b) (errno = ENOSYS, -1)
52	# define ftruncate(fd,o) chsize ((fd), (o))
53	# define fsync(fd) _commit (fd)
54	# define opendir(fd) (errno = ENOSYS, 0)
55	# define readdir(fd) (errno = ENOSYS, -1)
56	# define closedir(fd) (errno = ENOSYS, -1)
57	# define mkdir(a,b) mkdir (a)
58
59	#else
60
61	# include <sys/time.h>
62	# include <sys/select.h>
63	# include <unistd.h>
64	# include <utime.h>
65	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent
67
68	#endif
69		26
70	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
71	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
72	#undef readdir	29	#undef readdir
73	#undef opendir	30	#undef opendir
74	#undef closedir	31	#undef closedir
		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	#else
		68
		69	#include <sys/time.h>
		70	#include <sys/select.h>
		71	#include <unistd.h>
		72	#include <utime.h>
		73	#include <signal.h>
		74
		75	#endif
75		76
76	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
77		78
78	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	80	#if IVSIZE >= 8
…		…
97	#define expect_false(expr) expect ((expr) != 0, 0)	98	#define expect_false(expr) expect ((expr) != 0, 0)
98	#define expect_true(expr) expect ((expr) != 0, 1)	99	#define expect_true(expr) expect ((expr) != 0, 1)
99		100
100	/*****************************************************************************/	101	/*****************************************************************************/
101		102
102	static HV *stash;
103	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
106		106
107	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108	#define AIO_GRP_KLASS "IO::AIO::GRP"
109		108
110	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
111	SV *callback; \	110	SV *callback; \
112	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
113	STRLEN stroffset; \	113	STRLEN stroffset; \
114	SV *self;	114	SV *self;
115		115
116	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
117		117
		118	#include "libeio/config.h"
118	#include "libeio/eio.h"	119	#include "libeio/eio.h"
119
120	#ifndef POSIX_FADV_NORMAL
121	# define POSIX_FADV_NORMAL 0
122	#endif
123
124	#ifndef POSIX_FADV_SEQUENTIAL
125	# define POSIX_FADV_SEQUENTIAL 0
126	#endif
127
128	#ifndef POSIX_FADV_RANDOM
129	# define POSIX_FADV_RANDOM 0
130	#endif
131
132	#ifndef POSIX_FADV_NOREUSE
133	# define POSIX_FADV_NOREUSE 0
134	#endif
135
136	#ifndef POSIX_FADV_WILLNEED
137	# define POSIX_FADV_WILLNEED 0
138	#endif
139
140	#ifndef POSIX_FADV_DONTNEED
141	# define POSIX_FADV_DONTNEED 0
142	#endif
143		120
144	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
145	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
146	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
147	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
148		125
		126	#include "libeio/eio.c"
		127
		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
		194	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		195	#endif
		196
		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
		214	# 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
		291
		292	#ifndef MAP_ANONYMOUS
		293	# ifdef MAP_ANON
		294	# define MAP_ANONYMOUS MAP_ANON
		295	# else
		296	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		297	# endif
		298	#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
		315	#ifndef makedev
		316	# define makedev(maj,min) (((maj) << 8) | (min))
		317	#endif
		318	#ifndef major
		319	# define major(dev) ((dev) >> 8)
		320	#endif
		321	#ifndef minor
		322	# define minor(dev) ((dev) & 0xff)
		323	#endif
		324
		325	#ifndef PAGESIZE
		326	# define PAGESIZE sysconf (_SC_PAGESIZE)
		327	#endif
		328
149	enum {	329	enum {
150	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
151	};	331	};
152		332
153	#include "libeio/eio.c"
154
155	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
156	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
157		336
158	static SV *on_next_submit;	337	static SV *on_next_submit;
159	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
160	static int max_outstanding;	339	static int max_outstanding;
161		340
162	static int respipe_osf [2], respipe [2] = { -1, -1 };	341	static s_epipe respipe;
163		342
164	static void req_destroy (aio_req req);	343	static void req_destroy (aio_req req);
165	static void req_cancel (aio_req req);	344	static void req_cancel (aio_req req);
166		345
167	static void want_poll (void)	346	static void want_poll (void)
168	{	347	{
169	/* write a dummy byte to the pipe so fh becomes ready */	348	/* write a dummy byte to the pipe so fh becomes ready */
170	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	349	s_epipe_signal (&respipe);
171	}	350	}
172		351
173	static void done_poll (void)	352	static void done_poll (void)
174	{	353	{
175	/* read any signals sent by the worker threads */	354	/* read any signals sent by the worker threads */
176	char buf [4];	355	s_epipe_drain (&respipe);
177	while (respipe_read (respipe [0], buf, 4) == 4)
178	;
179	}	356	}
180		357
181	/* must be called at most once */	358	/* must be called at most once */
182	static SV *req_sv (aio_req req, const char *klass)	359	static SV *req_sv (aio_req req, HV *stash)
183	{	360	{
184	if (!req->self)	361	if (!req->self)
185	{	362	{
186	req->self = (SV *)newHV ();	363	req->self = (SV *)newHV ();
187	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
188	}	365	}
189		366
190	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	367	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
		368	}
		369
		370	static SV *
		371	newSVaio_wd (aio_wd wd)
		372	{
		373	return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash);
191	}	374	}
192		375
193	static aio_req SvAIO_REQ (SV *sv)	376	static aio_req SvAIO_REQ (SV *sv)
194	{	377	{
195	MAGIC *mg;	378	MAGIC *mg;
196		379
197	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	380	if (!SvROK (sv)
		381	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		382	&& SvSTASH (SvRV (sv)) != aio_req_stash
		383	&& !sv_derived_from (sv, "IO::AIO::REQ")))
198	croak ("object of class " AIO_REQ_KLASS " expected");	384	croak ("object of class IO::AIO::REQ expected");
199		385
200	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
201		387
202	return mg ? (aio_req)mg->mg_ptr : 0;	388	return mg ? (aio_req)mg->mg_ptr : 0;
		389	}
		390
		391	static aio_wd SvAIO_WD (SV *sv)
		392	{
		393	if (!SvROK (sv)
		394	|| SvSTASH (SvRV (sv)) != aio_wd_stash
		395	|| SvTYPE (SvRV (sv)) != SVt_PVMG)
		396	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
		397
		398	return (aio_wd)(long)SvIVX (SvRV (sv));
203	}	399	}
204		400
205	static void aio_grp_feed (aio_req grp)	401	static void aio_grp_feed (aio_req grp)
206	{	402	{
207	if (grp->sv2 && SvOK (grp->sv2))	403	if (grp->sv2 && SvOK (grp->sv2))
…		…
209	dSP;	405	dSP;
210		406
211	ENTER;	407	ENTER;
212	SAVETMPS;	408	SAVETMPS;
213	PUSHMARK (SP);	409	PUSHMARK (SP);
214	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	410	XPUSHs (req_sv (grp, aio_grp_stash));
215	PUTBACK;	411	PUTBACK;
216	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	412	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
217	SPAGAIN;	413	SPAGAIN;
218	FREETMPS;	414	FREETMPS;
219	LEAVE;	415	LEAVE;
…		…
237	}	433	}
238	}	434	}
239		435
240	static int req_invoke (eio_req *req)	436	static int req_invoke (eio_req *req)
241	{	437	{
242	dSP;
243
244	if (req->flags & FLAG_SV2_RO_OFF)	438	if (req->flags & FLAG_SV2_RO_OFF)
245	SvREADONLY_off (req->sv2);	439	SvREADONLY_off (req->sv2);
246		440
247	if (!EIO_CANCELLED (req) && req->callback)	441	if (!EIO_CANCELLED (req) && req->callback)
248	{	442	{
		443	dSP;
		444	static SV *sv_result_cache; /* caches the result integer SV */
		445	SV *sv_result;
		446
249	ENTER;	447	ENTER;
250	SAVETMPS;	448	SAVETMPS;
251	PUSHMARK (SP);	449	PUSHMARK (SP);
252	EXTEND (SP, 1);	450	EXTEND (SP, 1);
253		451
		452	/* do not recreate the result IV from scratch each time */
		453	if (expect_true (sv_result_cache))
		454	{
		455	sv_result = sv_result_cache; sv_result_cache = 0;
		456	SvIV_set (sv_result, req->result);
		457	SvIOK_only (sv_result);
		458	}
		459	else
		460	{
		461	sv_result = newSViv (req->result);
		462	SvREADONLY_on (sv_result);
		463	}
		464
254	switch (req->type)	465	switch (req->type)
255	{	466	{
		467	case EIO_WD_OPEN:
		468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		469	break;
		470
256	case EIO_READDIR:	471	case EIO_READDIR:
257	{	472	{
258	SV *rv = &PL_sv_undef;	473	SV *rv = &PL_sv_undef;
259		474
260	if (req->result >= 0)	475	if (req->result >= 0)
…		…
325	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	540	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
326	char sym [64];	541	char sym [64];
327	int symlen;	542	int symlen;
328		543
329	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	544	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
330	gv_init (gv, stash, sym, symlen, 0);	545	gv_init (gv, aio_stash, sym, symlen, 0);
331		546
332	symlen = snprintf (	547	symlen = snprintf (
333	sym,	548	sym,
334	sizeof (sym),	549	sizeof (sym),
335	"%s&=%d",	550	"%s&=%d",
…		…
343		558
344	PUSHs (fh);	559	PUSHs (fh);
345	}	560	}
346	break;	561	break;
347		562
		563	case EIO_STATVFS:
		564	case EIO_FSTATVFS:
		565	{
		566	SV *rv = &PL_sv_undef;
		567
		568	#ifndef _WIN32
		569	if (req->result >= 0)
		570	{
		571	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		572	HV *hv = newHV ();
		573
		574	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		575
		576	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		577	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		578	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		579	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		580	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		581	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		582	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		583	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		584	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		585	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		586	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		587	}
		588	#endif
		589
		590	PUSHs (rv);
		591	}
		592
		593	break;
		594
348	case EIO_GROUP:	595	case EIO_GROUP:
349	req->int1 = 2; /* mark group as finished */	596	req->int1 = 2; /* mark group as finished */
350		597
351	if (req->sv1)	598	if (req->sv1)
352	{	599	{
…		…
362	case EIO_NOP:	609	case EIO_NOP:
363	case EIO_BUSY:	610	case EIO_BUSY:
364	break;	611	break;
365		612
366	case EIO_READLINK:	613	case EIO_READLINK:
		614	case EIO_REALPATH:
367	if (req->result > 0)	615	if (req->result > 0)
368	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	616	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
369	break;	617	break;
370		618
371	case EIO_STAT:	619	case EIO_STAT:
372	case EIO_LSTAT:	620	case EIO_LSTAT:
373	case EIO_FSTAT:	621	case EIO_FSTAT:
374	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		623
375	PL_laststatval = req->result;	624	if (!(PL_laststatval = req->result))
		625	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
376	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	626	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
377	PUSHs (sv_2mortal (newSViv (req->result)));	627
		628	PUSHs (sv_result);
378	break;	629	break;
379		630
380	case EIO_READ:	631	case EIO_READ:
381	{	632	{
382	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	633	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
383	*SvEND (req->sv2) = 0;	634	*SvEND (req->sv2) = 0;
384	SvPOK_only (req->sv2);	635	SvPOK_only (req->sv2);
385	SvSETMAGIC (req->sv2);	636	SvSETMAGIC (req->sv2);
386	PUSHs (sv_2mortal (newSViv (req->result)));	637	PUSHs (sv_result);
387	}	638	}
388	break;	639	break;
389		640
390	case EIO_DUP2:	641	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
391	if (req->result > 0)	642	if (req->result > 0)
392	req->result = 0;	643	SvIV_set (sv_result, 0);
393	/* FALLTHROUGH */	644	/* FALLTHROUGH */
394		645
395	default:	646	default:
396	PUSHs (sv_2mortal (newSViv (req->result)));	647	PUSHs (sv_result);
397	break;	648	break;
398	}	649	}
399		650
400	errno = req->errorno;	651	errno = req->errorno;
401		652
402	PUTBACK;	653	PUTBACK;
403	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	654	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
404	SPAGAIN;	655	SPAGAIN;
		656
		657	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		658	SvREFCNT_dec (sv_result);
		659	else
		660	sv_result_cache = sv_result;
405		661
406	FREETMPS;	662	FREETMPS;
407	LEAVE;	663	LEAVE;
408		664
409	PUTBACK;	665	PUTBACK;
…		…
420	SvREFCNT_dec (req->self);	676	SvREFCNT_dec (req->self);
421	}	677	}
422		678
423	SvREFCNT_dec (req->sv1);	679	SvREFCNT_dec (req->sv1);
424	SvREFCNT_dec (req->sv2);	680	SvREFCNT_dec (req->sv2);
		681	SvREFCNT_dec (req->sv3);
		682	SvREFCNT_dec (req->sv4);
425	SvREFCNT_dec (req->callback);	683	SvREFCNT_dec (req->callback);
426		684
427	Safefree (req);	685	Safefree (req);
428	}	686	}
429		687
430	static void req_cancel_subs (aio_req grp)	688	static void req_cancel_subs (aio_req grp)
431	{	689	{
432	aio_req sub;
433
434	if (grp->type != EIO_GROUP)	690	if (grp->type != EIO_GROUP)
435	return;	691	return;
436		692
437	SvREFCNT_dec (grp->sv2);	693	SvREFCNT_dec (grp->sv2);
438	grp->sv2 = 0;	694	grp->sv2 = 0;
439		695
440	eio_grp_cancel (grp);	696	eio_grp_cancel (grp);
441	}	697	}
442		698
443	#ifdef USE_SOCKETS_AS_HANDLES
444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
445	#else
446	# define TO_SOCKET(x) (x)
447	#endif
448
449	static void
450	create_respipe (void)	699	static void create_respipe (void)
451	{	700	{
452	int old_readfd = respipe [0];
453
454	if (respipe [1] >= 0)
455	respipe_close (TO_SOCKET (respipe [1]));
456
457	#ifdef _WIN32
458	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
459	#else
460	if (pipe (respipe))	701	if (s_epipe_renew (&respipe))
461	#endif
462	croak ("unable to initialize result pipe");	702	croak ("IO::AIO: unable to initialize result pipe");
463
464	if (old_readfd >= 0)
465	{
466	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
467	croak ("unable to initialize result pipe(2)");
468
469	respipe_close (respipe [0]);
470	respipe [0] = old_readfd;
471	}
472
473	#ifdef _WIN32
474	int arg = 1;
475	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
476	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
477	#else
478	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
479	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
480	#endif
481	croak ("unable to initialize result pipe(3)");
482
483	respipe_osf [0] = TO_SOCKET (respipe [0]);
484	respipe_osf [1] = TO_SOCKET (respipe [1]);
485	}	703	}
486		704
487	static void poll_wait (void)	705	static void poll_wait (void)
488	{	706	{
489	fd_set rfd;
490
491	while (eio_nreqs ())	707	while (eio_nreqs ())
492	{	708	{
493	int size;	709	int size;
494		710
495	X_LOCK (reslock);	711	X_LOCK (reslock);
…		…
499	if (size)	715	if (size)
500	return;	716	return;
501		717
502	etp_maybe_start_thread ();	718	etp_maybe_start_thread ();
503		719
504	FD_ZERO (&rfd);	720	s_epipe_wait (&respipe);
505	FD_SET (respipe [0], &rfd);
506
507	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
508	}	721	}
509	}	722	}
510		723
511	static int poll_cb (void)	724	static int poll_cb (void)
512	{	725	{
…		…
522		735
523	poll_wait ();	736	poll_wait ();
524	}	737	}
525	}	738	}
526		739
527	static void atfork_child (void)	740	static void ecb_cold
		741	reinit (void)
528	{	742	{
529	create_respipe ();	743	create_respipe ();
530	}
531		744
532	static SV *	745	if (eio_init (want_poll, done_poll) < 0)
533	get_cb (SV *cb_sv)	746	croak ("IO::AIO: unable to initialise eio library");
534	{	747	}
535	HV *st;
536	GV *gvp;
537	CV *cv;
538		748
539	if (!SvOK (cb_sv))	749	/*****************************************************************************/
		750
		751	#if !_POSIX_MAPPED_FILES
		752	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		753	# define munmap(addr,length) (errno = ENOSYS, -1)
		754	#endif
		755
		756	#if !_POSIX_MEMORY_PROTECTION
		757	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		758	# define PROT_NONE 0
		759	# define PROT_WRITE 0
		760	# define MAP_PRIVATE 0
		761	# define MAP_SHARED 0
		762	# define MAP_FIXED 0
		763	#endif
		764
		765	#define MMAP_MAGIC PERL_MAGIC_ext
		766
		767	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		768	{
		769	int old_errno = errno;
		770	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		771	errno = old_errno;
		772
		773	mg->mg_obj = 0; /* just in case */
		774
		775	SvREADONLY_off (sv);
		776
		777	if (SvPVX (sv) != mg->mg_ptr)
		778	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		779
		780	SvCUR_set (sv, 0);
		781	SvPVX (sv) = 0;
		782	SvOK_off (sv);
		783
540	return 0;	784	return 0;
		785	}
541		786
542	cv = sv_2cv (cb_sv, &st, &gvp, 0);	787	static MGVTBL mmap_vtbl = {
		788	0, 0, 0, 0, mmap_free
		789	};
543		790
544	if (!cv)	791	/*****************************************************************************/
545	croak ("IO::AIO callback must be undef or a CODE reference");
546		792
547	return (SV *)cv;	793	static SV * get_cb (SV *cb_sv)
		794	{
		795	SvGETMAGIC (cb_sv);
		796	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
548	}	797	}
549		798
550	#define dREQ \	799	#define dREQ \
551	SV *cb_cv; \	800	SV *cb_cv; \
552	aio_req req; \	801	aio_req req; \
…		…
566	PUTBACK; \	815	PUTBACK; \
567	req_submit (req); \	816	req_submit (req); \
568	SPAGAIN; \	817	SPAGAIN; \
569	\	818	\
570	if (GIMME_V != G_VOID) \	819	if (GIMME_V != G_VOID) \
571	XPUSHs (req_sv (req, AIO_REQ_KLASS));	820	XPUSHs (req_sv (req, aio_req_stash));
572		821
573	static int	822	static void
574	extract_fd (SV *fh, int wr)	823	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
575	{	824	{
576	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));	825	if (SvROK (path))
		826	{
		827	AV *av = (AV *)SvRV (path);
		828	SV *wdob;
577		829
578	if (fd < 0)	830	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
579	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");	831	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
580		832
581	return fd;	833	path = AvARRAY (av)[1];
		834	wdob = AvARRAY (av)[0];
		835
		836	if (SvOK (wdob))
		837	{
		838	*wd = SvAIO_WD (wdob);
		839	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		840	}
		841	else
		842	*wd = EIO_INVALID_WD;
		843	}
		844
		845	*pathsv = newSVsv (path);
		846	*ptr = SvPVbyte_nolen (*pathsv);
		847	}
		848
		849	static void
		850	req_set_path1 (aio_req req, SV *path)
		851	{
		852	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		853	}
		854
		855	static void
		856	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		857	{
		858	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		859
		860	switch (SvTYPE (rv))
		861	{
		862	case SVt_PVIO:
		863	case SVt_PVLV:
		864	case SVt_PVGV:
		865	req->type = type_fh;
		866	req->sv1 = newSVsv (fh_or_path);
		867	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		868	break;
		869
		870	default:
		871	req->type = type_path;
		872	req_set_path1 (req, fh_or_path);
		873	break;
		874	}
		875
582	}	876	}
583		877
584	MODULE = IO::AIO PACKAGE = IO::AIO	878	MODULE = IO::AIO PACKAGE = IO::AIO
585		879
586	PROTOTYPES: ENABLE	880	PROTOTYPES: ENABLE
…		…
589	{	883	{
590	static const struct {	884	static const struct {
591	const char *name;	885	const char *name;
592	IV iv;	886	IV iv;
593	} *civ, const_iv[] = {	887	} *civ, const_iv[] = {
594	# define const_iv(name, value) { # name, (IV) value },	888	# define const_niv(name, value) { # name, (IV) value },
		889	# define const_iv(name) { # name, (IV) name },
595	# define const_eio(name) { # name, (IV) EIO_ ## name },	890	# define const_eio(name) { # name, (IV) EIO_ ## name },
596	const_iv (EXDEV , EXDEV)	891	const_iv (EXDEV)
597	const_iv (ENOSYS , ENOSYS)	892	const_iv (ENOSYS)
598	const_iv (O_RDONLY, O_RDONLY)	893	const_iv (O_RDONLY)
599	const_iv (O_WRONLY, O_WRONLY)	894	const_iv (O_WRONLY)
		895	const_iv (O_RDWR)
600	const_iv (O_CREAT , O_CREAT)	896	const_iv (O_CREAT)
601	const_iv (O_TRUNC , O_TRUNC)	897	const_iv (O_TRUNC)
602	#ifndef _WIN32	898	const_iv (O_EXCL)
		899	const_iv (O_APPEND)
		900
		901	const_iv (O_ASYNC)
		902	const_iv (O_DIRECT)
		903	const_iv (O_NOATIME)
		904
		905	const_iv (O_CLOEXEC)
		906	const_iv (O_NOCTTY)
		907	const_iv (O_NOFOLLOW)
		908	const_iv (O_NONBLOCK)
		909	const_iv (O_EXEC)
		910	const_iv (O_SEARCH)
		911	const_iv (O_DIRECTORY)
		912	const_iv (O_DSYNC)
		913	const_iv (O_RSYNC)
		914	const_iv (O_SYNC)
		915	const_iv (O_TTY_INIT)
		916
603	const_iv (S_IFIFO , S_IFIFO)	917	const_iv (S_IFIFO)
604	#endif	918	const_iv (S_IFCHR)
		919	const_iv (S_IFBLK)
		920	const_iv (S_IFLNK)
		921	const_iv (S_IFREG)
		922	const_iv (S_IFDIR)
		923	const_iv (S_IFWHT)
		924	const_iv (S_IFSOCK)
		925	const_iv (S_IFMT)
		926
605	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	927	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
606	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	928	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
607	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	929	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
608	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	930	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
609	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	931	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
610	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	932	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		933
		934	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		935	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		936	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		937	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		938	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		939
		940	const_iv (ST_RDONLY)
		941	const_iv (ST_NOSUID)
		942	const_iv (ST_NODEV)
		943	const_iv (ST_NOEXEC)
		944	const_iv (ST_SYNCHRONOUS)
		945	const_iv (ST_MANDLOCK)
		946	const_iv (ST_WRITE)
		947	const_iv (ST_APPEND)
		948	const_iv (ST_IMMUTABLE)
		949	const_iv (ST_NOATIME)
		950	const_iv (ST_NODIRATIME)
		951	const_iv (ST_RELATIME)
		952
		953	const_iv (PROT_NONE)
		954	const_iv (PROT_EXEC)
		955	const_iv (PROT_READ)
		956	const_iv (PROT_WRITE)
		957
		958	/*const_iv (MAP_FIXED)*/
		959	const_iv (MAP_PRIVATE)
		960	const_iv (MAP_SHARED)
		961	const_iv (MAP_ANONYMOUS)
		962
		963	/* linuxish */
		964	const_iv (MAP_HUGETLB)
		965	const_iv (MAP_LOCKED)
		966	const_iv (MAP_NORESERVE)
		967	const_iv (MAP_POPULATE)
		968	const_iv (MAP_NONBLOCK)
		969
		970	const_eio (MCL_FUTURE)
		971	const_eio (MCL_CURRENT)
		972
		973	const_eio (MS_ASYNC)
		974	const_eio (MS_INVALIDATE)
		975	const_eio (MS_SYNC)
		976
		977	const_eio (MT_MODIFY)
611		978
612	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	979	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
613	const_eio (SYNC_FILE_RANGE_WRITE)	980	const_eio (SYNC_FILE_RANGE_WRITE)
614	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	981	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		982
		983	const_eio (FALLOC_FL_KEEP_SIZE)
615		984
616	const_eio (READDIR_DENTS)	985	const_eio (READDIR_DENTS)
617	const_eio (READDIR_DIRS_FIRST)	986	const_eio (READDIR_DIRS_FIRST)
618	const_eio (READDIR_STAT_ORDER)	987	const_eio (READDIR_STAT_ORDER)
619	const_eio (READDIR_FOUND_UNKNOWN)	988	const_eio (READDIR_FOUND_UNKNOWN)
…		…
627	const_eio (DT_LNK)	996	const_eio (DT_LNK)
628	const_eio (DT_SOCK)	997	const_eio (DT_SOCK)
629	const_eio (DT_WHT)	998	const_eio (DT_WHT)
630	};	999	};
631		1000
632	stash = gv_stashpv ("IO::AIO", 1);	1001	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1002	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1003	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1004	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
633		1005
634	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1006	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
635	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1007	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
636		1008
637	create_respipe ();	1009	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
638		1010
639	if (eio_init (want_poll, done_poll) < 0)	1011	reinit ();
640	croak ("IO::AIO: unable to initialise eio library");
641
642	/* atfork child called in fifo order, so before eio's handler */
643	X_THREAD_ATFORK (0, 0, atfork_child);
644	}	1012	}
645		1013
646	void	1014	void
		1015	reinit ()
		1016	PROTOTYPE:
		1017
		1018	void
647	max_poll_reqs (int nreqs)	1019	max_poll_reqs (unsigned int nreqs)
648	PROTOTYPE: $	1020	PROTOTYPE: $
649	CODE:	1021	CODE:
650	eio_set_max_poll_reqs (nreqs);	1022	eio_set_max_poll_reqs (nreqs);
651		1023
652	void	1024	void
…		…
654	PROTOTYPE: $	1026	PROTOTYPE: $
655	CODE:	1027	CODE:
656	eio_set_max_poll_time (nseconds);	1028	eio_set_max_poll_time (nseconds);
657		1029
658	void	1030	void
659	min_parallel (int nthreads)	1031	min_parallel (unsigned int nthreads)
660	PROTOTYPE: $	1032	PROTOTYPE: $
661	CODE:	1033	CODE:
662	eio_set_min_parallel (nthreads);	1034	eio_set_min_parallel (nthreads);
663		1035
664	void	1036	void
665	max_parallel (int nthreads)	1037	max_parallel (unsigned int nthreads)
666	PROTOTYPE: $	1038	PROTOTYPE: $
667	CODE:	1039	CODE:
668	eio_set_max_parallel (nthreads);	1040	eio_set_max_parallel (nthreads);
669		1041
670	void	1042	void
671	max_idle (int nthreads)	1043	max_idle (unsigned int nthreads)
672	PROTOTYPE: $	1044	PROTOTYPE: $
673	CODE:	1045	CODE:
674	eio_set_max_idle (nthreads);	1046	eio_set_max_idle (nthreads);
675		1047
676	void	1048	void
		1049	idle_timeout (unsigned int seconds)
		1050	PROTOTYPE: $
		1051	CODE:
		1052	eio_set_idle_timeout (seconds);
		1053
		1054	void
677	max_outstanding (int maxreqs)	1055	max_outstanding (unsigned int maxreqs)
678	PROTOTYPE: $	1056	PROTOTYPE: $
679	CODE:	1057	CODE:
680	max_outstanding = maxreqs;	1058	max_outstanding = maxreqs;
681		1059
682	void	1060	void
		1061	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1062	PPCODE:
		1063	{
		1064	dREQ;
		1065
		1066	req->type = EIO_WD_OPEN;
		1067	req_set_path1 (req, pathname);
		1068
		1069	REQ_SEND;
		1070	}
		1071
		1072	void
683	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1073	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
684	PROTOTYPE: $$$;$
685	PPCODE:	1074	PPCODE:
686	{	1075	{
687	dREQ;	1076	dREQ;
688		1077
689	req->type = EIO_OPEN;	1078	req->type = EIO_OPEN;
690	req->sv1 = newSVsv (pathname);	1079	req_set_path1 (req, pathname);
691	req->ptr1 = SvPVbyte_nolen (req->sv1);
692	req->int1 = flags;	1080	req->int1 = flags;
693	req->int2 = mode;	1081	req->int2 = mode;
694		1082
695	REQ_SEND;	1083	REQ_SEND;
696	}	1084	}
697		1085
698	void	1086	void
699	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1087	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
700	PROTOTYPE: $;$
701	ALIAS:	1088	ALIAS:
702	aio_fsync = EIO_FSYNC	1089	aio_fsync = EIO_FSYNC
703	aio_fdatasync = EIO_FDATASYNC	1090	aio_fdatasync = EIO_FDATASYNC
		1091	aio_syncfs = EIO_SYNCFS
704	PPCODE:	1092	PPCODE:
705	{	1093	{
706	int fd = extract_fd (fh, 0);	1094	int fd = s_fileno_croak (fh, 0);
707	dREQ;	1095	dREQ;
708		1096
709	req->type = ix;	1097	req->type = ix;
710	req->sv1 = newSVsv (fh);	1098	req->sv1 = newSVsv (fh);
711	req->int1 = fd;	1099	req->int1 = fd;
…		…
713	REQ_SEND (req);	1101	REQ_SEND (req);
714	}	1102	}
715		1103
716	void	1104	void
717	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1105	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
718	PROTOTYPE: $$$$;$
719	PPCODE:	1106	PPCODE:
720	{	1107	{
721	int fd = extract_fd (fh, 0);	1108	int fd = s_fileno_croak (fh, 0);
722	dREQ;	1109	dREQ;
723		1110
724	req->type = EIO_SYNC_FILE_RANGE;	1111	req->type = EIO_SYNC_FILE_RANGE;
725	req->sv1 = newSVsv (fh);	1112	req->sv1 = newSVsv (fh);
726	req->int1 = fd;	1113	req->int1 = fd;
…		…
730		1117
731	REQ_SEND (req);	1118	REQ_SEND (req);
732	}	1119	}
733		1120
734	void	1121	void
		1122	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1123	PPCODE:
		1124	{
		1125	int fd = s_fileno_croak (fh, 0);
		1126	dREQ;
		1127
		1128	req->type = EIO_FALLOCATE;
		1129	req->sv1 = newSVsv (fh);
		1130	req->int1 = fd;
		1131	req->int2 = mode;
		1132	req->offs = offset;
		1133	req->size = len;
		1134
		1135	REQ_SEND (req);
		1136	}
		1137
		1138	void
735	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1139	aio_close (SV *fh, SV *callback=&PL_sv_undef)
736	PROTOTYPE: $;$
737	PPCODE:	1140	PPCODE:
738	{	1141	{
739	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1142	static int close_fd = -1; /* dummy fd to close fds via dup2 */
740	int fd = extract_fd (fh, 0);	1143	int fd = s_fileno_croak (fh, 0);
741	dREQ;	1144	dREQ;
742		1145
743	if (close_pipe < 0)	1146	if (expect_false (close_fd < 0))
744	{	1147	{
745	int pipefd [2];	1148	int pipefd [2];
746		1149
		1150	if (
		1151	#ifdef _WIN32
		1152	_pipe (pipefd, 1, _O_BINARY) < 0
		1153	#else
747	if (pipe (pipefd) < 0	1154	pipe (pipefd) < 0
748	|| close (pipefd [1]) < 0
749	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1155	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1156	#endif
		1157	|| close (pipefd [1]) < 0
		1158	)
750	abort (); /*D*/	1159	abort (); /*D*/
751		1160
752	close_pipe = pipefd [0];	1161	close_fd = pipefd [0];
753	}	1162	}
754		1163
755	req->type = EIO_DUP2;	1164	req->type = EIO_DUP2;
756	req->int1 = close_pipe;	1165	req->int1 = close_fd;
757	req->sv2 = newSVsv (fh);	1166	req->sv2 = newSVsv (fh);
758	req->int2 = fd;	1167	req->int2 = fd;
759		1168
760	REQ_SEND (req);	1169	REQ_SEND (req);
761	}	1170	}
…		…
763	void	1172	void
764	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1173	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
765	ALIAS:	1174	ALIAS:
766	aio_read = EIO_READ	1175	aio_read = EIO_READ
767	aio_write = EIO_WRITE	1176	aio_write = EIO_WRITE
768	PROTOTYPE: $$$$$;$
769	PPCODE:	1177	PPCODE:
770	{	1178	{
771	STRLEN svlen;	1179	STRLEN svlen;
772	int fd = extract_fd (fh, ix == EIO_WRITE);	1180	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
773	char *svptr = SvPVbyte (data, svlen);	1181	char *svptr = SvPVbyte (data, svlen);
774	UV len = SvUV (length);	1182	UV len = SvUV (length);
775		1183
776	if (dataoffset < 0)	1184	if (dataoffset < 0)
777	dataoffset += svlen;	1185	dataoffset += svlen;
…		…
813	REQ_SEND;	1221	REQ_SEND;
814	}	1222	}
815	}	1223	}
816		1224
817	void	1225	void
818	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1226	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
819	PROTOTYPE: $$;$	1227	ALIAS:
		1228	aio_readlink = EIO_READLINK
		1229	aio_realpath = EIO_REALPATH
820	PPCODE:	1230	PPCODE:
821	{	1231	{
822	SV *data;
823	dREQ;	1232	dREQ;
824		1233
825	req->type = EIO_READLINK;	1234	req->type = ix;
826	req->sv1 = newSVsv (path);	1235	req_set_path1 (req, pathname);
827	req->ptr1 = SvPVbyte_nolen (req->sv1);
828		1236
829	REQ_SEND;	1237	REQ_SEND;
830	}	1238	}
831		1239
832	void	1240	void
833	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1241	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
834	PROTOTYPE: $$$$;$
835	PPCODE:	1242	PPCODE:
836	{	1243	{
837	int ifd = extract_fd (in_fh , 0);	1244	int ifd = s_fileno_croak (in_fh , 0);
838	int ofd = extract_fd (out_fh, 0);	1245	int ofd = s_fileno_croak (out_fh, 1);
839	dREQ;	1246	dREQ;
840		1247
841	req->type = EIO_SENDFILE;	1248	req->type = EIO_SENDFILE;
842	req->sv1 = newSVsv (out_fh);	1249	req->sv1 = newSVsv (out_fh);
843	req->int1 = ofd;	1250	req->int1 = ofd;
…		…
849	REQ_SEND;	1256	REQ_SEND;
850	}	1257	}
851		1258
852	void	1259	void
853	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1260	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
854	PROTOTYPE: $$$;$
855	PPCODE:	1261	PPCODE:
856	{	1262	{
857	int fd = extract_fd (fh, 0);	1263	int fd = s_fileno_croak (fh, 0);
858	dREQ;	1264	dREQ;
859		1265
860	req->type = EIO_READAHEAD;	1266	req->type = EIO_READAHEAD;
861	req->sv1 = newSVsv (fh);	1267	req->sv1 = newSVsv (fh);
862	req->int1 = fd;	1268	req->int1 = fd;
…		…
867	}	1273	}
868		1274
869	void	1275	void
870	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1276	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
871	ALIAS:	1277	ALIAS:
872	aio_stat = EIO_STAT	1278	aio_stat = EIO_STAT
873	aio_lstat = EIO_LSTAT	1279	aio_lstat = EIO_LSTAT
		1280	aio_statvfs = EIO_STATVFS
874	PPCODE:	1281	PPCODE:
875	{	1282	{
876	dREQ;	1283	dREQ;
877		1284
878	req->sv1 = newSVsv (fh_or_path);	1285	req->sv1 = newSVsv (fh_or_path);
879		1286	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
880	if (SvPOK (req->sv1))
881	{
882	req->type = ix;
883	req->ptr1 = SvPVbyte_nolen (req->sv1);
884	}
885	else
886	{
887	req->type = EIO_FSTAT;
888	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
889	}
890
891	REQ_SEND;	1287	REQ_SEND;
892	}	1288	}
		1289
		1290	UV
		1291	major (UV dev)
		1292	ALIAS:
		1293	minor = 1
		1294	CODE:
		1295	RETVAL = ix ? major (dev) : minor (dev);
		1296	OUTPUT:
		1297	RETVAL
		1298
		1299	UV
		1300	makedev (UV maj, UV min)
		1301	CODE:
		1302	RETVAL = makedev (maj, min);
		1303	OUTPUT:
		1304	RETVAL
893		1305
894	void	1306	void
895	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1307	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
896	PPCODE:	1308	PPCODE:
897	{	1309	{
898	dREQ;	1310	dREQ;
899		1311
900	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1312	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
901	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1313	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
902	req->sv1 = newSVsv (fh_or_path);	1314	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
903
904	if (SvPOK (req->sv1))
905	{
906	req->type = EIO_UTIME;
907	req->ptr1 = SvPVbyte_nolen (req->sv1);
908	}
909	else
910	{
911	req->type = EIO_FUTIME;
912	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
913	}
914		1315
915	REQ_SEND;	1316	REQ_SEND;
916	}	1317	}
917		1318
918	void	1319	void
919	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1320	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
920	PPCODE:	1321	PPCODE:
921	{	1322	{
922	dREQ;	1323	dREQ;
923		1324
924	req->sv1 = newSVsv (fh_or_path);
925	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1325	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
926		1326	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
927	if (SvPOK (req->sv1))
928	{
929	req->type = EIO_TRUNCATE;
930	req->ptr1 = SvPVbyte_nolen (req->sv1);
931	}
932	else
933	{
934	req->type = EIO_FTRUNCATE;
935	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
936	}
937		1327
938	REQ_SEND;	1328	REQ_SEND;
939	}	1329	}
940		1330
941	void	1331	void
…		…
946	PPCODE:	1336	PPCODE:
947	{	1337	{
948	dREQ;	1338	dREQ;
949		1339
950	req->int2 = mode;	1340	req->int2 = mode;
951	req->sv1 = newSVsv (fh_or_path);	1341	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
952
953	if (SvPOK (req->sv1))
954	{
955	req->type = ix;
956	req->ptr1 = SvPVbyte_nolen (req->sv1);
957	}
958	else
959	{
960	req->type = EIO_FCHMOD;
961	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
962	}
963		1342
964	REQ_SEND;	1343	REQ_SEND;
965	}	1344	}
966		1345
967	void	1346	void
…		…
970	{	1349	{
971	dREQ;	1350	dREQ;
972		1351
973	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1352	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
974	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1353	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
975	req->sv1 = newSVsv (fh_or_path);	1354	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
976
977	if (SvPOK (req->sv1))
978	{
979	req->type = EIO_CHOWN;
980	req->ptr1 = SvPVbyte_nolen (req->sv1);
981	}
982	else
983	{
984	req->type = EIO_FCHOWN;
985	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
986	}
987		1355
988	REQ_SEND;	1356	REQ_SEND;
989	}	1357	}
990		1358
991	void	1359	void
…		…
993	PPCODE:	1361	PPCODE:
994	{	1362	{
995	dREQ;	1363	dREQ;
996		1364
997	req->type = EIO_READDIR;	1365	req->type = EIO_READDIR;
998	req->sv1 = newSVsv (pathname);
999	req->ptr1 = SvPVbyte_nolen (req->sv1);
1000	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;	1366	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1001		1367
1002	if (flags & EIO_READDIR_DENTS)	1368	if (flags & EIO_READDIR_DENTS)
1003	req->int1 |= EIO_READDIR_CUSTOM2;	1369	req->int1 |= EIO_READDIR_CUSTOM2;
		1370
		1371	req_set_path1 (req, pathname);
1004		1372
1005	REQ_SEND;	1373	REQ_SEND;
1006	}	1374	}
1007		1375
1008	void	1376	void
…		…
1014	PPCODE:	1382	PPCODE:
1015	{	1383	{
1016	dREQ;	1384	dREQ;
1017		1385
1018	req->type = ix;	1386	req->type = ix;
1019	req->sv1 = newSVsv (pathname);	1387	req_set_path1 (req, pathname);
1020	req->ptr1 = SvPVbyte_nolen (req->sv1);
1021		1388
1022	REQ_SEND;	1389	REQ_SEND;
1023	}	1390	}
1024		1391
1025	void	1392	void
…		…
1029	aio_symlink = EIO_SYMLINK	1396	aio_symlink = EIO_SYMLINK
1030	aio_rename = EIO_RENAME	1397	aio_rename = EIO_RENAME
1031	PPCODE:	1398	PPCODE:
1032	{	1399	{
1033	dREQ;	1400	dREQ;
		1401	eio_wd wd2;
1034		1402
1035	req->type = ix;	1403	req->type = ix;
1036	req->sv1 = newSVsv (oldpath);	1404	req_set_path1 (req, oldpath);
1037	req->ptr1 = SvPVbyte_nolen (req->sv1);	1405	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1038	req->sv2 = newSVsv (newpath);	1406	req->int3 = (long)wd2;
1039	req->ptr2 = SvPVbyte_nolen (req->sv2);
1040		1407
1041	REQ_SEND;	1408	REQ_SEND;
1042	}	1409	}
1043		1410
1044	void	1411	void
…		…
1046	PPCODE:	1413	PPCODE:
1047	{	1414	{
1048	dREQ;	1415	dREQ;
1049		1416
1050	req->type = EIO_MKNOD;	1417	req->type = EIO_MKNOD;
1051	req->sv1 = newSVsv (pathname);
1052	req->ptr1 = SvPVbyte_nolen (req->sv1);
1053	req->int2 = (mode_t)mode;	1418	req->int2 = (mode_t)mode;
1054	req->offs = dev;	1419	req->offs = dev;
		1420	req_set_path1 (req, pathname);
1055		1421
1056	REQ_SEND;	1422	REQ_SEND;
1057	}	1423	}
1058		1424
1059	void	1425	void
		1426	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1427	ALIAS:
		1428	aio_mtouch = EIO_MTOUCH
		1429	aio_msync = EIO_MSYNC
		1430	PPCODE:
		1431	{
		1432	STRLEN svlen;
		1433	char *svptr = SvPVbyte (data, svlen);
		1434	UV len = SvUV (length);
		1435
		1436	if (offset < 0)
		1437	offset += svlen;
		1438
		1439	if (offset < 0 || offset > svlen)
		1440	croak ("offset outside of scalar");
		1441
		1442	if (!SvOK (length) || len + offset > svlen)
		1443	len = svlen - offset;
		1444
		1445	{
		1446	dREQ;
		1447
		1448	req->type = ix;
		1449	req->sv2 = SvREFCNT_inc (data);
		1450	req->ptr2 = (char *)svptr + offset;
		1451	req->size = len;
		1452	req->int1 = flags;
		1453
		1454	REQ_SEND;
		1455	}
		1456	}
		1457
		1458	void
		1459	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1460	PPCODE:
		1461	{
		1462	STRLEN svlen;
		1463	char *svptr = SvPVbyte (data, svlen);
		1464	UV len = SvUV (length);
		1465
		1466	if (offset < 0)
		1467	offset += svlen;
		1468
		1469	if (offset < 0 || offset > svlen)
		1470	croak ("offset outside of scalar");
		1471
		1472	if (!SvOK (length) || len + offset > svlen)
		1473	len = svlen - offset;
		1474
		1475	{
		1476	dREQ;
		1477
		1478	req->type = EIO_MLOCK;
		1479	req->sv2 = SvREFCNT_inc (data);
		1480	req->ptr2 = (char *)svptr + offset;
		1481	req->size = len;
		1482
		1483	REQ_SEND;
		1484	}
		1485	}
		1486
		1487	void
		1488	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1489	PPCODE:
		1490	{
		1491	dREQ;
		1492
		1493	req->type = EIO_MLOCKALL;
		1494	req->int1 = flags;
		1495
		1496	REQ_SEND;
		1497	}
		1498
		1499	void
1060	aio_busy (double delay, SV *callback=&PL_sv_undef)	1500	aio_busy (double delay, SV *callback=&PL_sv_undef)
1061	PPCODE:	1501	PPCODE:
1062	{	1502	{
1063	dREQ;	1503	dREQ;
1064		1504
…		…
1068	REQ_SEND;	1508	REQ_SEND;
1069	}	1509	}
1070		1510
1071	void	1511	void
1072	aio_group (SV *callback=&PL_sv_undef)	1512	aio_group (SV *callback=&PL_sv_undef)
1073	PROTOTYPE: ;$
1074	PPCODE:	1513	PPCODE:
1075	{	1514	{
1076	dREQ;	1515	dREQ;
1077		1516
1078	req->type = EIO_GROUP;	1517	req->type = EIO_GROUP;
1079		1518
1080	req_submit (req);	1519	req_submit (req);
1081	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1520	XPUSHs (req_sv (req, aio_grp_stash));
1082	}	1521	}
1083		1522
1084	void	1523	void
1085	aio_nop (SV *callback=&PL_sv_undef)	1524	aio_nop (SV *callback=&PL_sv_undef)
1086	ALIAS:	1525	ALIAS:
…		…
1095	REQ_SEND;	1534	REQ_SEND;
1096	}	1535	}
1097		1536
1098	int	1537	int
1099	aioreq_pri (int pri = 0)	1538	aioreq_pri (int pri = 0)
1100	PROTOTYPE: ;$
1101	CODE:	1539	CODE:
1102	RETVAL = next_pri;	1540	RETVAL = next_pri;
1103	if (items > 0)	1541	if (items > 0)
1104	{	1542	{
1105	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1543	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1117	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1555	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1118	next_pri = nice;	1556	next_pri = nice;
1119		1557
1120	void	1558	void
1121	flush ()	1559	flush ()
1122	PROTOTYPE:
1123	CODE:	1560	CODE:
1124	while (eio_nreqs ())	1561	while (eio_nreqs ())
1125	{	1562	{
1126	poll_wait ();	1563	poll_wait ();
1127	poll_cb ();	1564	poll_cb ();
1128	}	1565	}
1129		1566
1130	int	1567	int
1131	poll()	1568	poll ()
1132	PROTOTYPE:
1133	CODE:	1569	CODE:
1134	poll_wait ();	1570	poll_wait ();
1135	RETVAL = poll_cb ();	1571	RETVAL = poll_cb ();
1136	OUTPUT:	1572	OUTPUT:
1137	RETVAL	1573	RETVAL
1138		1574
1139	int	1575	int
1140	poll_fileno()	1576	poll_fileno ()
1141	PROTOTYPE:
1142	CODE:	1577	CODE:
1143	RETVAL = respipe [0];	1578	RETVAL = s_epipe_fd (&respipe);
1144	OUTPUT:	1579	OUTPUT:
1145	RETVAL	1580	RETVAL
1146		1581
1147	int	1582	int
1148	poll_cb(...)	1583	poll_cb (...)
1149	PROTOTYPE:	1584	PROTOTYPE:
1150	CODE:	1585	CODE:
1151	RETVAL = poll_cb ();	1586	RETVAL = poll_cb ();
1152	OUTPUT:	1587	OUTPUT:
1153	RETVAL	1588	RETVAL
1154		1589
1155	void	1590	void
1156	poll_wait()	1591	poll_wait ()
1157	PROTOTYPE:
1158	CODE:	1592	CODE:
1159	poll_wait ();	1593	poll_wait ();
1160		1594
1161	int	1595	int
1162	nreqs()	1596	nreqs ()
1163	PROTOTYPE:
1164	CODE:	1597	CODE:
1165	RETVAL = eio_nreqs ();	1598	RETVAL = eio_nreqs ();
1166	OUTPUT:	1599	OUTPUT:
1167	RETVAL	1600	RETVAL
1168		1601
1169	int	1602	int
1170	nready()	1603	nready ()
1171	PROTOTYPE:
1172	CODE:	1604	CODE:
1173	RETVAL = eio_nready ();	1605	RETVAL = eio_nready ();
1174	OUTPUT:	1606	OUTPUT:
1175	RETVAL	1607	RETVAL
1176		1608
1177	int	1609	int
1178	npending()	1610	npending ()
1179	PROTOTYPE:
1180	CODE:	1611	CODE:
1181	RETVAL = eio_npending ();	1612	RETVAL = eio_npending ();
1182	OUTPUT:	1613	OUTPUT:
1183	RETVAL	1614	RETVAL
1184		1615
1185	int	1616	int
1186	nthreads()	1617	nthreads ()
1187	PROTOTYPE:
1188	CODE:	1618	CODE:
1189	RETVAL = eio_nthreads ();	1619	RETVAL = eio_nthreads ();
1190	OUTPUT:	1620	OUTPUT:
1191	RETVAL	1621	RETVAL
1192		1622
1193	int	1623	int
1194	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1624	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1195	PROTOTYPE: $$$$
1196	CODE:	1625	CODE:
1197	{
1198	#if _XOPEN_SOURCE >= 600
1199	RETVAL = posix_fadvise (fh, offset, length, advice);	1626	RETVAL = posix_fadvise (fh, offset, length, advice);
1200	#else
1201	RETVAL = errno = ENOSYS;
1202	#endif
1203	}
1204	OUTPUT:	1627	OUTPUT:
1205	RETVAL	1628	RETVAL
1206		1629
1207	ssize_t	1630	IV
1208	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1631	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1209	PROTOTYPE: $$$$
1210	CODE:	1632	CODE:
1211	eio_sendfile_sync (ofh, ifh, offset, count);	1633	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1634	OUTPUT:
		1635	RETVAL
		1636
		1637	void
		1638	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1639	PPCODE:
		1640	sv_unmagic (scalar, MMAP_MAGIC);
		1641	{
		1642	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1643	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1644	if (addr == (void *)-1)
		1645	XSRETURN_NO;
		1646
		1647	sv_force_normal (scalar);
		1648
		1649	/* we store the length in mg_obj, as namlen is I32 :/ */
		1650	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1651	->mg_obj = (SV *)length;
		1652
		1653	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1654
		1655	if (!(prot & PROT_WRITE))
		1656	SvREADONLY_on (scalar);
		1657
		1658	if (SvLEN (scalar))
		1659	Safefree (SvPVX (scalar));
		1660
		1661	SvPVX (scalar) = (char *)addr;
		1662	SvCUR_set (scalar, length);
		1663	SvLEN_set (scalar, 0);
		1664	SvPOK_only (scalar);
		1665
		1666	XSRETURN_YES;
		1667	}
		1668
		1669	void
		1670	munmap (SV *scalar)
		1671	CODE:
		1672	sv_unmagic (scalar, MMAP_MAGIC);
		1673
		1674	int
		1675	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1676	ALIAS:
		1677	mprotect = 1
		1678	CODE:
		1679	{
		1680	STRLEN svlen;
		1681	void *addr = SvPVbyte (scalar, svlen);
		1682	size_t len = SvUV (length);
		1683
		1684	if (offset < 0)
		1685	offset += svlen;
		1686
		1687	if (offset < 0 || offset > svlen)
		1688	croak ("offset outside of scalar");
		1689
		1690	if (!SvOK (length) || len + offset > svlen)
		1691	len = svlen - offset;
		1692
		1693	addr = (void *)(((intptr_t)addr) + offset);
		1694	eio_page_align (&addr, &len);
		1695
		1696	switch (ix)
		1697	{
		1698	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1699	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1700	}
		1701	}
		1702	OUTPUT:
		1703	RETVAL
		1704
		1705	int
		1706	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1707	CODE:
		1708	{
		1709	STRLEN svlen;
		1710	void *addr = SvPVbyte (scalar, svlen);
		1711	size_t len = SvUV (length);
		1712
		1713	if (offset < 0)
		1714	offset += svlen;
		1715
		1716	if (offset < 0 || offset > svlen)
		1717	croak ("offset outside of scalar");
		1718
		1719	if (!SvOK (length) || len + offset > svlen)
		1720	len = svlen - offset;
		1721
		1722	addr = (void *)(((intptr_t)addr) + offset);
		1723	eio_page_align (&addr, &len);
		1724	#if _POSIX_MEMLOCK_RANGE
		1725	RETVAL = munlock (addr, len);
		1726	#else
		1727	RETVAL = ((errno = ENOSYS), -1);
		1728	#endif
		1729	}
		1730	OUTPUT:
		1731	RETVAL
		1732
		1733	int
		1734	munlockall ()
		1735	CODE:
		1736	#if _POSIX_MEMLOCK
		1737	munlockall ();
		1738	#else
		1739	RETVAL = -1;
		1740	errno = ENOSYS;
		1741	#endif
		1742	OUTPUT:
		1743	RETVAL
1212		1744
1213	void _on_next_submit (SV *cb)	1745	void _on_next_submit (SV *cb)
1214	CODE:	1746	CODE:
1215	SvREFCNT_dec (on_next_submit);	1747	SvREFCNT_dec (on_next_submit);
1216	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1748	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1217		1749
1218	PROTOTYPES: DISABLE	1750	PROTOTYPES: DISABLE
1219		1751
		1752	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1753
		1754	BOOT:
		1755	{
		1756	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1757	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1758	}
		1759
		1760	void
		1761	DESTROY (SV *self)
		1762	CODE:
		1763	{
		1764	aio_wd wd = SvAIO_WD (self);
		1765	#if HAVE_AT
		1766	SV *callback = &PL_sv_undef;
		1767	dREQ; /* clobbers next_pri :/ */
		1768	req->type = EIO_WD_CLOSE;
		1769	req->wd = wd;
		1770	REQ_SEND;
		1771	#else
		1772	eio_wd_close_sync (wd);
		1773	#endif
		1774	}
		1775
1220	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1776	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1221		1777
1222	void	1778	void
1223	cancel (aio_req_ornot req)	1779	cancel (aio_req_ornot req)
1224	CODE:	1780	CODE:
…		…
1231	if (GIMME_V != G_VOID)	1787	if (GIMME_V != G_VOID)
1232	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1788	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1233		1789
1234	if (items > 1)	1790	if (items > 1)
1235	{	1791	{
1236	SV *cb_cv = get_cb (callback);	1792	SV *cb_cv =get_cb (callback);
1237		1793
1238	SvREFCNT_dec (req->callback);	1794	SvREFCNT_dec (req->callback);
1239	req->callback = SvREFCNT_inc (cb_cv);	1795	req->callback = SvREFCNT_inc (cb_cv);
1240	}	1796	}
1241	}	1797	}

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