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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 1.209 by root, Sun Apr 1 17:46:02 2012 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
75		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
76	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
		79
		80	#endif
77		81
78	/* use NV for 32 bit perls as it allows larger offsets */	82	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	83	#if IVSIZE >= 8
80	# define VAL64 IV	84	# define VAL64 IV
81	# define SvVAL64 SvIV	85	# define SvVAL64 SvIV
…		…
97	#define expect_false(expr) expect ((expr) != 0, 0)	101	#define expect_false(expr) expect ((expr) != 0, 0)
98	#define expect_true(expr) expect ((expr) != 0, 1)	102	#define expect_true(expr) expect ((expr) != 0, 1)
99		103
100	/*****************************************************************************/	104	/*****************************************************************************/
101		105
102	static HV *stash;
103	typedef SV SV8; /* byte-sv, used for argument-checking */	106	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	107	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	108	typedef int aio_wfd; /* write file descriptor */
106		109
107	#define AIO_REQ_KLASS "IO::AIO::REQ"	110	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108	#define AIO_GRP_KLASS "IO::AIO::GRP"
109		111
110	#define EIO_REQ_MEMBERS \	112	#define EIO_REQ_MEMBERS \
111	SV *callback; \	113	SV *callback; \
112	SV *sv1, *sv2; \	114	SV *sv1, *sv2; \
		115	SV *sv3, *sv4; \
113	STRLEN stroffset; \	116	STRLEN stroffset; \
114	SV *self;	117	SV *self;
115		118
116	#define EIO_NO_WRAPPERS 1	119	#define EIO_NO_WRAPPERS 1
117		120
		121	#include "libeio/config.h"
118	#include "libeio/eio.h"	122	#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		123
144	static int req_invoke (eio_req *req);	124	static int req_invoke (eio_req *req);
145	#define EIO_FINISH(req) req_invoke (req)	125	#define EIO_FINISH(req) req_invoke (req)
146	static void req_destroy (eio_req *grp);	126	static void req_destroy (eio_req *grp);
147	#define EIO_DESTROY(req) req_destroy (req)	127	#define EIO_DESTROY(req) req_destroy (req)
148		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
		176
		177	#ifndef POSIX_FADV_NORMAL
		178	# define POSIX_FADV_NORMAL 0
		179	#endif
		180	#ifndef POSIX_FADV_SEQUENTIAL
		181	# define POSIX_FADV_SEQUENTIAL 0
		182	#endif
		183	#ifndef POSIX_FADV_RANDOM
		184	# define POSIX_FADV_RANDOM 0
		185	#endif
		186	#ifndef POSIX_FADV_NOREUSE
		187	# define POSIX_FADV_NOREUSE 0
		188	#endif
		189	#ifndef POSIX_FADV_WILLNEED
		190	# define POSIX_FADV_WILLNEED 0
		191	#endif
		192	#ifndef POSIX_FADV_DONTNEED
		193	# define POSIX_FADV_DONTNEED 0
		194	#endif
		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
		239	#ifndef ST_NODEV
		240	# define ST_NODEV 0
		241	#endif
		242	#ifndef ST_NOEXEC
		243	# define ST_NOEXEC 0
		244	#endif
		245	#ifndef ST_SYNCHRONOUS
		246	# define ST_SYNCHRONOUS 0
		247	#endif
		248	#ifndef ST_MANDLOCK
		249	# define ST_MANDLOCK 0
		250	#endif
		251	#ifndef ST_WRITE
		252	# define ST_WRITE 0
		253	#endif
		254	#ifndef ST_APPEND
		255	# define ST_APPEND 0
		256	#endif
		257	#ifndef ST_IMMUTABLE
		258	# define ST_IMMUTABLE 0
		259	#endif
		260	#ifndef ST_NOATIME
		261	# define ST_NOATIME 0
		262	#endif
		263	#ifndef ST_NODIRATIME
		264	# define ST_NODIRATIME 0
		265	#endif
		266	#ifndef ST_RELATIME
		267	# define ST_RELATIME 0
		268	#endif
		269
		270	#ifndef S_IFIFO
		271	# define S_IFIFO 0
		272	#endif
		273	#ifndef S_IFCHR
		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
		293	#endif
		294
		295	#ifndef MAP_ANONYMOUS
		296	# ifdef MAP_ANON
		297	# define MAP_ANONYMOUS MAP_ANON
		298	# else
		299	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		300	# endif
		301	#endif
		302	#ifndef MAP_HUGETLB
		303	# define MAP_HUGETLB 0
		304	#endif
		305	#ifndef MAP_LOCKED
		306	# define MAP_LOCKED 0
		307	#endif
		308	#ifndef MAP_NORESERVE
		309	# define MAP_NORESERVE 0
		310	#endif
		311	#ifndef MAP_POPULATE
		312	# define MAP_POPULATE 0
		313	#endif
		314	#ifndef MAP_NONBLOCK
		315	# define MAP_NONBLOCK 0
		316	#endif
		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
		328	#ifndef PAGESIZE
		329	# define PAGESIZE sysconf (_SC_PAGESIZE)
		330	#endif
		331
149	enum {	332	enum {
150	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	333	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
151	};	334	};
152		335
153	#include "libeio/eio.c"
154
155	typedef eio_req *aio_req;	336	typedef eio_req *aio_req;
156	typedef eio_req *aio_req_ornot;	337	typedef eio_req *aio_req_ornot;
		338	typedef eio_wd aio_wd;
157		339
158	static SV *on_next_submit;	340	static SV *on_next_submit;
159	static int next_pri = EIO_PRI_DEFAULT;	341	static int next_pri = EIO_PRI_DEFAULT;
160	static int max_outstanding;	342	static int max_outstanding;
161		343
162	static int respipe_osf [2], respipe [2] = { -1, -1 };	344	static s_epipe respipe;
163		345
164	static void req_destroy (aio_req req);	346	static void req_destroy (aio_req req);
165	static void req_cancel (aio_req req);	347	static void req_cancel (aio_req req);
166		348
167	static void want_poll (void)	349	static void
		350	want_poll (void)
168	{	351	{
169	/* write a dummy byte to the pipe so fh becomes ready */	352	/* write a dummy byte to the pipe so fh becomes ready */
170	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	353	s_epipe_signal (&respipe);
171	}	354	}
172		355
173	static void done_poll (void)	356	static void
		357	done_poll (void)
174	{	358	{
175	/* read any signals sent by the worker threads */	359	/* read any signals sent by the worker threads */
176	char buf [4];	360	s_epipe_drain (&respipe);
177	while (respipe_read (respipe [0], buf, 4) == 4)
178	;
179	}	361	}
180		362
181	/* must be called at most once */	363	/* must be called at most once */
182	static SV *req_sv (aio_req req, const char *klass)	364	static SV *
		365	req_sv (aio_req req, HV *stash)
183	{	366	{
184	if (!req->self)	367	if (!req->self)
185	{	368	{
186	req->self = (SV *)newHV ();	369	req->self = (SV *)newHV ();
187	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	370	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
188	}	371	}
189		372
190	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	373	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
191	}	374	}
192		375
193	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)
194	{	384	{
195	MAGIC *mg;	385	MAGIC *mg;
196		386
197	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	387	if (!SvROK (sv)
		388	/* for speed reasons, we do not verify that SvROK actually has a stash ptr */
		389	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		390	&& SvSTASH (SvRV (sv)) != aio_req_stash
		391	&& !sv_derived_from (sv, "IO::AIO::REQ")))
198	croak ("object of class " AIO_REQ_KLASS " expected");	392	croak ("object of class IO::AIO::REQ expected");
199		393
200	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	394	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
201		395
202	return mg ? (aio_req)mg->mg_ptr : 0;	396	return mg ? (aio_req)mg->mg_ptr : 0;
203	}	397	}
204		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
205	static void aio_grp_feed (aio_req grp)	411	aio_grp_feed (aio_req grp)
206	{	412	{
207	if (grp->sv2 && SvOK (grp->sv2))	413	if (grp->sv2 && SvOK (grp->sv2))
208	{	414	{
209	dSP;	415	dSP;
210		416
211	ENTER;	417	ENTER;
212	SAVETMPS;	418	SAVETMPS;
213	PUSHMARK (SP);	419	PUSHMARK (SP);
214	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	420	XPUSHs (req_sv (grp, aio_grp_stash));
215	PUTBACK;	421	PUTBACK;
216	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	422	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
217	SPAGAIN;	423	SPAGAIN;
218	FREETMPS;	424	FREETMPS;
219	LEAVE;	425	LEAVE;
220	}	426	}
221	}	427	}
222		428
		429	static void
223	static void req_submit (eio_req *req)	430	req_submit (eio_req *req)
224	{	431	{
225	eio_submit (req);	432	eio_submit (req);
226		433
227	if (expect_false (on_next_submit))	434	if (expect_false (on_next_submit))
228	{	435	{
…		…
235	PUTBACK;	442	PUTBACK;
236	call_sv (cb, G_DISCARD | G_EVAL);	443	call_sv (cb, G_DISCARD | G_EVAL);
237	}	444	}
238	}	445	}
239		446
		447	static int
240	static int req_invoke (eio_req *req)	448	req_invoke (eio_req *req)
241	{	449	{
242	dSP;
243
244	if (req->flags & FLAG_SV2_RO_OFF)	450	if (req->flags & FLAG_SV2_RO_OFF)
245	SvREADONLY_off (req->sv2);	451	SvREADONLY_off (req->sv2);
246		452
247	if (!EIO_CANCELLED (req) && req->callback)	453	if (!EIO_CANCELLED (req) && req->callback)
248	{	454	{
		455	dSP;
		456	static SV *sv_result_cache; /* caches the result integer SV */
		457	SV *sv_result;
		458
249	ENTER;	459	ENTER;
250	SAVETMPS;	460	SAVETMPS;
251	PUSHMARK (SP);	461	PUSHMARK (SP);
252	EXTEND (SP, 1);	462	EXTEND (SP, 1);
253		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
254	switch (req->type)	477	switch (req->type)
255	{	478	{
		479	case EIO_WD_OPEN:
		480	PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
		481	break;
		482
256	case EIO_READDIR:	483	case EIO_READDIR:
257	{	484	{
258	SV *rv = &PL_sv_undef;	485	SV *rv = &PL_sv_undef;
259		486
260	if (req->result >= 0)	487	if (req->result >= 0)
…		…
325	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	552	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
326	char sym [64];	553	char sym [64];
327	int symlen;	554	int symlen;
328		555
329	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	556	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
330	gv_init (gv, stash, sym, symlen, 0);	557	gv_init (gv, aio_stash, sym, symlen, 0);
331		558
332	symlen = snprintf (	559	symlen = snprintf (
333	sym,	560	sym,
334	sizeof (sym),	561	sizeof (sym),
335	"%s&=%d",	562	"%s&=%d",
…		…
343		570
344	PUSHs (fh);	571	PUSHs (fh);
345	}	572	}
346	break;	573	break;
347		574
		575	case EIO_STATVFS:
		576	case EIO_FSTATVFS:
		577	{
		578	SV *rv = &PL_sv_undef;
		579
		580	#ifndef _WIN32
		581	if (req->result >= 0)
		582	{
		583	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		584	HV *hv = newHV ();
		585
		586	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		587
		588	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		589	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		590	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		591	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		592	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		593	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		594	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		595	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		596	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		597	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		598	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		599	}
		600	#endif
		601
		602	PUSHs (rv);
		603	}
		604
		605	break;
		606
348	case EIO_GROUP:	607	case EIO_GROUP:
349	req->int1 = 2; /* mark group as finished */	608	req->int1 = 2; /* mark group as finished */
350		609
351	if (req->sv1)	610	if (req->sv1)
352	{	611	{
…		…
362	case EIO_NOP:	621	case EIO_NOP:
363	case EIO_BUSY:	622	case EIO_BUSY:
364	break;	623	break;
365		624
366	case EIO_READLINK:	625	case EIO_READLINK:
		626	case EIO_REALPATH:
367	if (req->result > 0)	627	if (req->result > 0)
368	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	628	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
369	break;	629	break;
370		630
371	case EIO_STAT:	631	case EIO_STAT:
372	case EIO_LSTAT:	632	case EIO_LSTAT:
373	case EIO_FSTAT:	633	case EIO_FSTAT:
374	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	634	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
		635
375	PL_laststatval = req->result;	636	if (!(PL_laststatval = req->result))
		637	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
376	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	638	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
377	PUSHs (sv_2mortal (newSViv (req->result)));	639
		640	PUSHs (sv_result);
		641	break;
		642
		643	case EIO_SEEK:
		644	PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
378	break;	645	break;
379		646
380	case EIO_READ:	647	case EIO_READ:
381	{	648	{
382	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	649	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
383	*SvEND (req->sv2) = 0;	650	*SvEND (req->sv2) = 0;
384	SvPOK_only (req->sv2);	651	SvPOK_only (req->sv2);
385	SvSETMAGIC (req->sv2);	652	SvSETMAGIC (req->sv2);
386	PUSHs (sv_2mortal (newSViv (req->result)));	653	PUSHs (sv_result);
387	}	654	}
388	break;	655	break;
389		656
390	case EIO_DUP2:	657	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
391	if (req->result > 0)	658	if (req->result > 0)
392	req->result = 0;	659	SvIV_set (sv_result, 0);
393	/* FALLTHROUGH */	660	/* FALLTHROUGH */
394		661
395	default:	662	default:
396	PUSHs (sv_2mortal (newSViv (req->result)));	663	PUSHs (sv_result);
397	break;	664	break;
398	}	665	}
399		666
400	errno = req->errorno;	667	errno = req->errorno;
401		668
402	PUTBACK;	669	PUTBACK;
403	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	670	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
404	SPAGAIN;	671	SPAGAIN;
405		672
		673	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		674	SvREFCNT_dec (sv_result);
		675	else
		676	sv_result_cache = sv_result;
		677
406	FREETMPS;	678	FREETMPS;
407	LEAVE;	679	LEAVE;
408		680
409	PUTBACK;	681	PUTBACK;
410	}	682	}
411		683
412	return !!SvTRUE (ERRSV);	684	return !!SvTRUE (ERRSV);
413	}	685	}
414		686
		687	static void
415	static void req_destroy (aio_req req)	688	req_destroy (aio_req req)
416	{	689	{
417	if (req->self)	690	if (req->self)
418	{	691	{
419	sv_unmagic (req->self, PERL_MAGIC_ext);	692	sv_unmagic (req->self, PERL_MAGIC_ext);
420	SvREFCNT_dec (req->self);	693	SvREFCNT_dec (req->self);
421	}	694	}
422		695
423	SvREFCNT_dec (req->sv1);	696	SvREFCNT_dec (req->sv1);
424	SvREFCNT_dec (req->sv2);	697	SvREFCNT_dec (req->sv2);
		698	SvREFCNT_dec (req->sv3);
		699	SvREFCNT_dec (req->sv4);
425	SvREFCNT_dec (req->callback);	700	SvREFCNT_dec (req->callback);
426		701
427	Safefree (req);	702	free (req);
428	}	703	}
429		704
		705	static void
430	static void req_cancel_subs (aio_req grp)	706	req_cancel_subs (aio_req grp)
431	{	707	{
432	aio_req sub;
433
434	if (grp->type != EIO_GROUP)	708	if (grp->type != EIO_GROUP)
435	return;	709	return;
436		710
437	SvREFCNT_dec (grp->sv2);	711	SvREFCNT_dec (grp->sv2);
438	grp->sv2 = 0;	712	grp->sv2 = 0;
439		713
440	eio_grp_cancel (grp);	714	eio_grp_cancel (grp);
441	}	715	}
442		716
443	#ifdef USE_SOCKETS_AS_HANDLES	717	static void ecb_cold
444	# define TO_SOCKET(x) (win32_get_osfhandle (x))	718	create_respipe (void)
445	#else	719	{
446	# define TO_SOCKET(x) (x)	720	if (s_epipe_renew (&respipe))
447	#endif	721	croak ("IO::AIO: unable to initialize result pipe");
		722	}
448		723
449	static void	724	static void
450	create_respipe (void)	725	poll_wait (void)
451	{	726	{
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))
461	#endif
462	croak ("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	}
486
487	static void poll_wait (void)
488	{
489	fd_set rfd;
490
491	while (eio_nreqs ())	727	while (eio_nreqs ())
492	{	728	{
493	int size;	729	int size;
494		730
495	X_LOCK (reslock);	731	X_LOCK (reslock);
…		…
499	if (size)	735	if (size)
500	return;	736	return;
501		737
502	etp_maybe_start_thread ();	738	etp_maybe_start_thread ();
503		739
504	FD_ZERO (&rfd);	740	s_epipe_wait (&respipe);
505	FD_SET (respipe [0], &rfd);
506
507	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
508	}	741	}
509	}	742	}
510		743
511	static int poll_cb (void)	744	static int
		745	poll_cb (void)
512	{	746	{
513	for (;;)	747	for (;;)
514	{	748	{
515	int res = eio_poll ();	749	int res = eio_poll ();
516		750
…		…
522		756
523	poll_wait ();	757	poll_wait ();
524	}	758	}
525	}	759	}
526		760
527	static void atfork_child (void)	761	static void ecb_cold
		762	reinit (void)
528	{	763	{
529	create_respipe ();	764	create_respipe ();
		765
		766	if (eio_init (want_poll, done_poll) < 0)
		767	croak ("IO::AIO: unable to initialise eio library");
530	}	768	}
		769
		770	/*****************************************************************************/
		771
		772	#if !_POSIX_MAPPED_FILES
		773	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		774	# define munmap(addr,length) (errno = ENOSYS, -1)
		775	#endif
		776
		777	#if !_POSIX_MEMORY_PROTECTION
		778	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		779	# define PROT_NONE 0
		780	# define PROT_WRITE 0
		781	# define MAP_PRIVATE 0
		782	# define MAP_SHARED 0
		783	# define MAP_FIXED 0
		784	#endif
		785
		786	#define MMAP_MAGIC PERL_MAGIC_ext
		787
		788	static int ecb_cold
		789	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		790	{
		791	int old_errno = errno;
		792	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		793	errno = old_errno;
		794
		795	mg->mg_obj = 0; /* just in case */
		796
		797	SvREADONLY_off (sv);
		798
		799	if (SvPVX (sv) != mg->mg_ptr)
		800	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		801
		802	SvCUR_set (sv, 0);
		803	SvPVX (sv) = 0;
		804	SvOK_off (sv);
		805
		806	return 0;
		807	}
		808
		809	static MGVTBL mmap_vtbl = {
		810	0, 0, 0, 0, mmap_free
		811	};
		812
		813	/*****************************************************************************/
531		814
532	static SV *	815	static SV *
533	get_cb (SV *cb_sv)	816	get_cb (SV *cb_sv)
534	{	817	{
535	HV *st;	818	SvGETMAGIC (cb_sv);
536	GV *gvp;	819	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		820	}
		821
		822	static aio_req ecb_noinline
		823	dreq (SV *callback)
		824	{
537	CV *cv;	825	SV *cb_cv;
		826	aio_req req;
		827	int req_pri = next_pri;
		828	next_pri = EIO_PRI_DEFAULT;
538		829
539	if (!SvOK (cb_sv))	830	cb_cv = get_cb (callback);
		831
		832	req = calloc (sizeof (*req), 1);
		833	if (!req)
		834	croak ("out of memory during eio_req allocation");
		835
		836	req->callback = SvREFCNT_inc (cb_cv);
		837	req->pri = req_pri;
		838
540	return 0;	839	return req;
541
542	cv = sv_2cv (cb_sv, &st, &gvp, 0);
543
544	if (!cv)
545	croak ("IO::AIO callback must be undef or a CODE reference");
546
547	return (SV *)cv;
548	}	840	}
549		841
550	#define dREQ \	842	#define dREQ \
551	SV *cb_cv; \	843	aio_req req = dreq (callback); \
552	aio_req req; \
553	int req_pri = next_pri; \
554	next_pri = EIO_PRI_DEFAULT; \
555	\
556	cb_cv = get_cb (callback); \
557	\
558	Newz (0, req, 1, eio_req); \
559	if (!req) \
560	croak ("out of memory during eio_req allocation"); \
561	\
562	req->callback = SvREFCNT_inc (cb_cv); \
563	req->pri = req_pri
564		844
565	#define REQ_SEND \	845	#define REQ_SEND \
566	PUTBACK; \	846	PUTBACK; \
567	req_submit (req); \	847	req_submit (req); \
568	SPAGAIN; \	848	SPAGAIN; \
569	\	849	\
570	if (GIMME_V != G_VOID) \	850	if (GIMME_V != G_VOID) \
571	XPUSHs (req_sv (req, AIO_REQ_KLASS));	851	XPUSHs (req_sv (req, aio_req_stash));
572		852
573	static int	853	ecb_inline void
574	extract_fd (SV *fh, int wr)	854	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
575	{	855	{
576	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));	856	if (expect_false (SvROK (path)))
		857	{
		858	SV *rv = SvRV (path);
		859	SV *wdob;
577		860
578	if (fd < 0)	861	if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
579	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");	862	{
		863	path = AvARRAY (rv)[1];
		864	wdob = AvARRAY (rv)[0];
580		865
581	return fd;	866	if (SvOK (wdob))
		867	{
		868	*wd = SvAIO_WD (wdob);
		869	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		870	}
		871	else
		872	*wd = EIO_INVALID_WD;
		873	}
		874	else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
		875	{
		876	*wd = (aio_wd)(long)SvIVX (rv);
		877	*wdsv = SvREFCNT_inc_NN (rv);
		878	*ptr = ".";
		879	return; /* path set to "." */
		880	}
		881	else
		882	croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
		883	}
		884
		885	*pathsv = newSVsv (path);
		886	*ptr = SvPVbyte_nolen (*pathsv);
582	}	887	}
		888
		889	static void ecb_noinline
		890	req_set_path1 (aio_req req, SV *path)
		891	{
		892	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		893	}
		894
		895	static void ecb_noinline
		896	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		897	{
		898	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		899
		900	switch (SvTYPE (rv))
		901	{
		902	case SVt_PVIO:
		903	case SVt_PVLV:
		904	case SVt_PVGV:
		905	req->type = type_fh;
		906	req->sv1 = newSVsv (fh_or_path);
		907	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		908	break;
		909
		910	default:
		911	req->type = type_path;
		912	req_set_path1 (req, fh_or_path);
		913	break;
		914	}
		915	}
		916
		917	XS(boot_IO__AIO) ecb_cold;
583		918
584	MODULE = IO::AIO PACKAGE = IO::AIO	919	MODULE = IO::AIO PACKAGE = IO::AIO
585		920
586	PROTOTYPES: ENABLE	921	PROTOTYPES: ENABLE
587		922
…		…
589	{	924	{
590	static const struct {	925	static const struct {
591	const char *name;	926	const char *name;
592	IV iv;	927	IV iv;
593	} *civ, const_iv[] = {	928	} *civ, const_iv[] = {
594	# define const_iv(name, value) { # name, (IV) value },	929	# define const_niv(name, value) { # name, (IV) value },
		930	# define const_iv(name) { # name, (IV) name },
595	# define const_eio(name) { # name, (IV) EIO_ ## name },	931	# define const_eio(name) { # name, (IV) EIO_ ## name },
596	const_iv (EXDEV , EXDEV)	932	const_iv (EXDEV)
597	const_iv (ENOSYS , ENOSYS)	933	const_iv (ENOSYS)
598	const_iv (O_RDONLY, O_RDONLY)	934	const_iv (O_RDONLY)
599	const_iv (O_WRONLY, O_WRONLY)	935	const_iv (O_WRONLY)
		936	const_iv (O_RDWR)
600	const_iv (O_CREAT , O_CREAT)	937	const_iv (O_CREAT)
601	const_iv (O_TRUNC , O_TRUNC)	938	const_iv (O_TRUNC)
602	#ifndef _WIN32	939	const_iv (O_EXCL)
		940	const_iv (O_APPEND)
		941
		942	const_iv (O_ASYNC)
		943	const_iv (O_DIRECT)
		944	const_iv (O_NOATIME)
		945
		946	const_iv (O_CLOEXEC)
		947	const_iv (O_NOCTTY)
		948	const_iv (O_NOFOLLOW)
		949	const_iv (O_NONBLOCK)
		950	const_iv (O_EXEC)
		951	const_iv (O_SEARCH)
		952	const_iv (O_DIRECTORY)
		953	const_iv (O_DSYNC)
		954	const_iv (O_RSYNC)
		955	const_iv (O_SYNC)
		956	const_iv (O_TTY_INIT)
		957
603	const_iv (S_IFIFO , S_IFIFO)	958	const_iv (S_IFIFO)
604	#endif	959	const_iv (S_IFCHR)
		960	const_iv (S_IFBLK)
		961	const_iv (S_IFLNK)
		962	const_iv (S_IFREG)
		963	const_iv (S_IFDIR)
		964	const_iv (S_IFWHT)
		965	const_iv (S_IFSOCK)
		966	const_iv (S_IFMT)
		967
605	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	968	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
606	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	969	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
607	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	970	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
608	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	971	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
609	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	972	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
610	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	973	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		974
		975	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		976	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		977	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		978	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		979	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		980
		981	const_iv (ST_RDONLY)
		982	const_iv (ST_NOSUID)
		983	const_iv (ST_NODEV)
		984	const_iv (ST_NOEXEC)
		985	const_iv (ST_SYNCHRONOUS)
		986	const_iv (ST_MANDLOCK)
		987	const_iv (ST_WRITE)
		988	const_iv (ST_APPEND)
		989	const_iv (ST_IMMUTABLE)
		990	const_iv (ST_NOATIME)
		991	const_iv (ST_NODIRATIME)
		992	const_iv (ST_RELATIME)
		993
		994	const_iv (PROT_NONE)
		995	const_iv (PROT_EXEC)
		996	const_iv (PROT_READ)
		997	const_iv (PROT_WRITE)
		998
		999	/*const_iv (MAP_FIXED)*/
		1000	const_iv (MAP_PRIVATE)
		1001	const_iv (MAP_SHARED)
		1002	const_iv (MAP_ANONYMOUS)
		1003
		1004	/* linuxish */
		1005	const_iv (MAP_HUGETLB)
		1006	const_iv (MAP_LOCKED)
		1007	const_iv (MAP_NORESERVE)
		1008	const_iv (MAP_POPULATE)
		1009	const_iv (MAP_NONBLOCK)
		1010
		1011	const_eio (SEEK_SET)
		1012	const_eio (SEEK_CUR)
		1013	const_eio (SEEK_END)
		1014
		1015	const_eio (MCL_FUTURE)
		1016	const_eio (MCL_CURRENT)
		1017
		1018	const_eio (MS_ASYNC)
		1019	const_eio (MS_INVALIDATE)
		1020	const_eio (MS_SYNC)
		1021
		1022	const_eio (MT_MODIFY)
611		1023
612	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1024	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
613	const_eio (SYNC_FILE_RANGE_WRITE)	1025	const_eio (SYNC_FILE_RANGE_WRITE)
614	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1026	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		1027
		1028	const_eio (FALLOC_FL_KEEP_SIZE)
615		1029
616	const_eio (READDIR_DENTS)	1030	const_eio (READDIR_DENTS)
617	const_eio (READDIR_DIRS_FIRST)	1031	const_eio (READDIR_DIRS_FIRST)
618	const_eio (READDIR_STAT_ORDER)	1032	const_eio (READDIR_STAT_ORDER)
619	const_eio (READDIR_FOUND_UNKNOWN)	1033	const_eio (READDIR_FOUND_UNKNOWN)
…		…
627	const_eio (DT_LNK)	1041	const_eio (DT_LNK)
628	const_eio (DT_SOCK)	1042	const_eio (DT_SOCK)
629	const_eio (DT_WHT)	1043	const_eio (DT_WHT)
630	};	1044	};
631		1045
632	stash = gv_stashpv ("IO::AIO", 1);	1046	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1047	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1048	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1049	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
633		1050
634	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1051	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
635	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1052	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
636		1053
637	create_respipe ();	1054	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
638		1055
639	if (eio_init (want_poll, done_poll) < 0)	1056	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	}	1057	}
645		1058
646	void	1059	void
		1060	reinit ()
		1061	PROTOTYPE:
		1062
		1063	void
647	max_poll_reqs (int nreqs)	1064	max_poll_reqs (unsigned int nreqs)
648	PROTOTYPE: $	1065	PROTOTYPE: $
649	CODE:	1066	CODE:
650	eio_set_max_poll_reqs (nreqs);	1067	eio_set_max_poll_reqs (nreqs);
651		1068
652	void	1069	void
…		…
654	PROTOTYPE: $	1071	PROTOTYPE: $
655	CODE:	1072	CODE:
656	eio_set_max_poll_time (nseconds);	1073	eio_set_max_poll_time (nseconds);
657		1074
658	void	1075	void
659	min_parallel (int nthreads)	1076	min_parallel (unsigned int nthreads)
660	PROTOTYPE: $	1077	PROTOTYPE: $
661	CODE:	1078	CODE:
662	eio_set_min_parallel (nthreads);	1079	eio_set_min_parallel (nthreads);
663		1080
664	void	1081	void
665	max_parallel (int nthreads)	1082	max_parallel (unsigned int nthreads)
666	PROTOTYPE: $	1083	PROTOTYPE: $
667	CODE:	1084	CODE:
668	eio_set_max_parallel (nthreads);	1085	eio_set_max_parallel (nthreads);
669		1086
670	void	1087	void
671	max_idle (int nthreads)	1088	max_idle (unsigned int nthreads)
672	PROTOTYPE: $	1089	PROTOTYPE: $
673	CODE:	1090	CODE:
674	eio_set_max_idle (nthreads);	1091	eio_set_max_idle (nthreads);
675		1092
676	void	1093	void
		1094	idle_timeout (unsigned int seconds)
		1095	PROTOTYPE: $
		1096	CODE:
		1097	eio_set_idle_timeout (seconds);
		1098
		1099	void
677	max_outstanding (int maxreqs)	1100	max_outstanding (unsigned int maxreqs)
678	PROTOTYPE: $	1101	PROTOTYPE: $
679	CODE:	1102	CODE:
680	max_outstanding = maxreqs;	1103	max_outstanding = maxreqs;
681		1104
682	void	1105	void
		1106	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1107	PPCODE:
		1108	{
		1109	dREQ;
		1110
		1111	req->type = EIO_WD_OPEN;
		1112	req_set_path1 (req, pathname);
		1113
		1114	REQ_SEND;
		1115	}
		1116
		1117	void
683	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1118	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
684	PROTOTYPE: $$$;$
685	PPCODE:	1119	PPCODE:
686	{	1120	{
687	dREQ;	1121	dREQ;
688		1122
689	req->type = EIO_OPEN;	1123	req->type = EIO_OPEN;
690	req->sv1 = newSVsv (pathname);	1124	req_set_path1 (req, pathname);
691	req->ptr1 = SvPVbyte_nolen (req->sv1);
692	req->int1 = flags;	1125	req->int1 = flags;
693	req->int2 = mode;	1126	req->int2 = mode;
694		1127
695	REQ_SEND;	1128	REQ_SEND;
696	}	1129	}
697		1130
698	void	1131	void
699	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1132	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
700	PROTOTYPE: $;$
701	ALIAS:	1133	ALIAS:
702	aio_fsync = EIO_FSYNC	1134	aio_fsync = EIO_FSYNC
703	aio_fdatasync = EIO_FDATASYNC	1135	aio_fdatasync = EIO_FDATASYNC
		1136	aio_syncfs = EIO_SYNCFS
704	PPCODE:	1137	PPCODE:
705	{	1138	{
706	int fd = extract_fd (fh, 0);	1139	int fd = s_fileno_croak (fh, 0);
707	dREQ;	1140	dREQ;
708		1141
709	req->type = ix;	1142	req->type = ix;
710	req->sv1 = newSVsv (fh);	1143	req->sv1 = newSVsv (fh);
711	req->int1 = fd;	1144	req->int1 = fd;
712		1145
713	REQ_SEND (req);	1146	REQ_SEND;
714	}	1147	}
715		1148
716	void	1149	void
717	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1150	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
718	PROTOTYPE: $$$$;$
719	PPCODE:	1151	PPCODE:
720	{	1152	{
721	int fd = extract_fd (fh, 0);	1153	int fd = s_fileno_croak (fh, 0);
722	dREQ;	1154	dREQ;
723		1155
724	req->type = EIO_SYNC_FILE_RANGE;	1156	req->type = EIO_SYNC_FILE_RANGE;
725	req->sv1 = newSVsv (fh);	1157	req->sv1 = newSVsv (fh);
726	req->int1 = fd;	1158	req->int1 = fd;
727	req->offs = offset;	1159	req->offs = offset;
728	req->size = nbytes;	1160	req->size = nbytes;
729	req->int2 = flags;	1161	req->int2 = flags;
730		1162
731	REQ_SEND (req);	1163	REQ_SEND;
		1164	}
		1165
		1166	void
		1167	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1168	PPCODE:
		1169	{
		1170	int fd = s_fileno_croak (fh, 0);
		1171	dREQ;
		1172
		1173	req->type = EIO_FALLOCATE;
		1174	req->sv1 = newSVsv (fh);
		1175	req->int1 = fd;
		1176	req->int2 = mode;
		1177	req->offs = offset;
		1178	req->size = len;
		1179
		1180	REQ_SEND;
732	}	1181	}
733		1182
734	void	1183	void
735	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1184	aio_close (SV *fh, SV *callback=&PL_sv_undef)
736	PROTOTYPE: $;$
737	PPCODE:	1185	PPCODE:
738	{	1186	{
739	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1187	static int close_fd = -1; /* dummy fd to close fds via dup2 */
740	int fd = extract_fd (fh, 0);	1188	int fd = s_fileno_croak (fh, 0);
741	dREQ;	1189	dREQ;
742		1190
743	if (close_pipe < 0)	1191	if (expect_false (close_fd < 0))
744	{	1192	{
745	int pipefd [2];	1193	int pipefd [2];
746		1194
		1195	if (
		1196	#ifdef _WIN32
		1197	_pipe (pipefd, 1, _O_BINARY) < 0
		1198	#else
747	if (pipe (pipefd) < 0	1199	pipe (pipefd) < 0
748	|| close (pipefd [1]) < 0
749	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1200	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1201	#endif
		1202	|| close (pipefd [1]) < 0
		1203	)
750	abort (); /*D*/	1204	abort (); /*D*/
751		1205
752	close_pipe = pipefd [0];	1206	close_fd = pipefd [0];
753	}	1207	}
754		1208
755	req->type = EIO_DUP2;	1209	req->type = EIO_DUP2;
756	req->int1 = close_pipe;	1210	req->int1 = close_fd;
757	req->sv2 = newSVsv (fh);	1211	req->sv2 = newSVsv (fh);
758	req->int2 = fd;	1212	req->int2 = fd;
759		1213
760	REQ_SEND (req);	1214	REQ_SEND;
		1215	}
		1216
		1217	void
		1218	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
		1219	PPCODE:
		1220	{
		1221	STRLEN svlen;
		1222	int fd = s_fileno_croak (fh, 0);
		1223	dREQ;
		1224
		1225	req->type = EIO_SEEK;
		1226	req->sv1 = newSVsv (fh);
		1227	req->int1 = fd;
		1228	req->offs = SvVAL64 (offset);
		1229	req->int2 = whence;
		1230
		1231	REQ_SEND;
761	}	1232	}
762		1233
763	void	1234	void
764	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1235	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
765	ALIAS:	1236	ALIAS:
766	aio_read = EIO_READ	1237	aio_read = EIO_READ
767	aio_write = EIO_WRITE	1238	aio_write = EIO_WRITE
768	PROTOTYPE: $$$$$;$
769	PPCODE:	1239	PPCODE:
770	{	1240	{
771	STRLEN svlen;	1241	STRLEN svlen;
772	int fd = extract_fd (fh, ix == EIO_WRITE);	1242	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
773	char *svptr = SvPVbyte (data, svlen);	1243	char *svptr = SvPVbyte (data, svlen);
774	UV len = SvUV (length);	1244	UV len = SvUV (length);
775		1245
776	if (dataoffset < 0)	1246	if (dataoffset < 0)
777	dataoffset += svlen;	1247	dataoffset += svlen;
…		…
813	REQ_SEND;	1283	REQ_SEND;
814	}	1284	}
815	}	1285	}
816		1286
817	void	1287	void
818	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1288	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
819	PROTOTYPE: $$;$	1289	ALIAS:
		1290	aio_readlink = EIO_READLINK
		1291	aio_realpath = EIO_REALPATH
820	PPCODE:	1292	PPCODE:
821	{	1293	{
822	SV *data;
823	dREQ;	1294	dREQ;
824		1295
825	req->type = EIO_READLINK;	1296	req->type = ix;
826	req->sv1 = newSVsv (path);	1297	req_set_path1 (req, pathname);
827	req->ptr1 = SvPVbyte_nolen (req->sv1);
828		1298
829	REQ_SEND;	1299	REQ_SEND;
830	}	1300	}
831		1301
832	void	1302	void
833	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1303	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
834	PROTOTYPE: $$$$;$
835	PPCODE:	1304	PPCODE:
836	{	1305	{
837	int ifd = extract_fd (in_fh , 0);	1306	int ifd = s_fileno_croak (in_fh , 0);
838	int ofd = extract_fd (out_fh, 0);	1307	int ofd = s_fileno_croak (out_fh, 1);
839	dREQ;	1308	dREQ;
840		1309
841	req->type = EIO_SENDFILE;	1310	req->type = EIO_SENDFILE;
842	req->sv1 = newSVsv (out_fh);	1311	req->sv1 = newSVsv (out_fh);
843	req->int1 = ofd;	1312	req->int1 = ofd;
…		…
849	REQ_SEND;	1318	REQ_SEND;
850	}	1319	}
851		1320
852	void	1321	void
853	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1322	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
854	PROTOTYPE: $$$;$
855	PPCODE:	1323	PPCODE:
856	{	1324	{
857	int fd = extract_fd (fh, 0);	1325	int fd = s_fileno_croak (fh, 0);
858	dREQ;	1326	dREQ;
859		1327
860	req->type = EIO_READAHEAD;	1328	req->type = EIO_READAHEAD;
861	req->sv1 = newSVsv (fh);	1329	req->sv1 = newSVsv (fh);
862	req->int1 = fd;	1330	req->int1 = fd;
…		…
867	}	1335	}
868		1336
869	void	1337	void
870	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1338	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
871	ALIAS:	1339	ALIAS:
872	aio_stat = EIO_STAT	1340	aio_stat = EIO_STAT
873	aio_lstat = EIO_LSTAT	1341	aio_lstat = EIO_LSTAT
		1342	aio_statvfs = EIO_STATVFS
874	PPCODE:	1343	PPCODE:
875	{	1344	{
876	dREQ;	1345	dREQ;
877		1346
878	req->sv1 = newSVsv (fh_or_path);	1347	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
879
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		1348
891	REQ_SEND;	1349	REQ_SEND;
892	}	1350	}
		1351
		1352	UV
		1353	major (UV dev)
		1354	ALIAS:
		1355	minor = 1
		1356	CODE:
		1357	RETVAL = ix ? major (dev) : minor (dev);
		1358	OUTPUT:
		1359	RETVAL
		1360
		1361	UV
		1362	makedev (UV maj, UV min)
		1363	CODE:
		1364	RETVAL = makedev (maj, min);
		1365	OUTPUT:
		1366	RETVAL
893		1367
894	void	1368	void
895	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1369	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
896	PPCODE:	1370	PPCODE:
897	{	1371	{
898	dREQ;	1372	dREQ;
899		1373
900	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1374	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
901	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1375	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
902	req->sv1 = newSVsv (fh_or_path);	1376	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		1377
915	REQ_SEND;	1378	REQ_SEND;
916	}	1379	}
917		1380
918	void	1381	void
919	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1382	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
920	PPCODE:	1383	PPCODE:
921	{	1384	{
922	dREQ;	1385	dREQ;
923		1386
924	req->sv1 = newSVsv (fh_or_path);
925	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1387	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
926		1388	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		1389
938	REQ_SEND;	1390	REQ_SEND;
939	}	1391	}
940		1392
941	void	1393	void
942	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1394	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
943	ALIAS:
944	aio_chmod = EIO_CHMOD
945	aio_mkdir = EIO_MKDIR
946	PPCODE:	1395	PPCODE:
947	{	1396	{
948	dREQ;	1397	dREQ;
949		1398
950	req->int2 = mode;	1399	req->int2 = mode;
951	req->sv1 = newSVsv (fh_or_path);	1400	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		1401
964	REQ_SEND;	1402	REQ_SEND;
965	}	1403	}
966		1404
967	void	1405	void
…		…
970	{	1408	{
971	dREQ;	1409	dREQ;
972		1410
973	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1411	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
974	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1412	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
975	req->sv1 = newSVsv (fh_or_path);	1413	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		1414
988	REQ_SEND;	1415	REQ_SEND;
989	}	1416	}
990		1417
991	void	1418	void
…		…
993	PPCODE:	1420	PPCODE:
994	{	1421	{
995	dREQ;	1422	dREQ;
996		1423
997	req->type = EIO_READDIR;	1424	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;	1425	req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1001		1426
1002	if (flags & EIO_READDIR_DENTS)	1427	if (flags & EIO_READDIR_DENTS)
1003	req->int1 |= EIO_READDIR_CUSTOM2;	1428	req->int1 |= EIO_READDIR_CUSTOM2;
1004		1429
		1430	req_set_path1 (req, pathname);
		1431
1005	REQ_SEND;	1432	REQ_SEND;
		1433	}
		1434
		1435	void
		1436	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1437	PPCODE:
		1438	{
		1439	dREQ;
		1440
		1441	req->type = EIO_MKDIR;
		1442	req->int2 = mode;
		1443	req_set_path1 (req, pathname);
		1444
		1445	REQ_SEND;
1006	}	1446	}
1007		1447
1008	void	1448	void
1009	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1449	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1010	ALIAS:	1450	ALIAS:
…		…
1014	PPCODE:	1454	PPCODE:
1015	{	1455	{
1016	dREQ;	1456	dREQ;
1017		1457
1018	req->type = ix;	1458	req->type = ix;
1019	req->sv1 = newSVsv (pathname);	1459	req_set_path1 (req, pathname);
1020	req->ptr1 = SvPVbyte_nolen (req->sv1);
1021		1460
1022	REQ_SEND;	1461	REQ_SEND;
1023	}	1462	}
1024		1463
1025	void	1464	void
…		…
1028	aio_link = EIO_LINK	1467	aio_link = EIO_LINK
1029	aio_symlink = EIO_SYMLINK	1468	aio_symlink = EIO_SYMLINK
1030	aio_rename = EIO_RENAME	1469	aio_rename = EIO_RENAME
1031	PPCODE:	1470	PPCODE:
1032	{	1471	{
		1472	eio_wd wd2 = 0;
1033	dREQ;	1473	dREQ;
1034		1474
1035	req->type = ix;	1475	req->type = ix;
1036	req->sv1 = newSVsv (oldpath);	1476	req_set_path1 (req, oldpath);
1037	req->ptr1 = SvPVbyte_nolen (req->sv1);	1477	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1038	req->sv2 = newSVsv (newpath);	1478	req->int3 = (long)wd2;
1039	req->ptr2 = SvPVbyte_nolen (req->sv2);
1040		1479
1041	REQ_SEND;	1480	REQ_SEND;
1042	}	1481	}
1043		1482
1044	void	1483	void
…		…
1046	PPCODE:	1485	PPCODE:
1047	{	1486	{
1048	dREQ;	1487	dREQ;
1049		1488
1050	req->type = EIO_MKNOD;	1489	req->type = EIO_MKNOD;
1051	req->sv1 = newSVsv (pathname);
1052	req->ptr1 = SvPVbyte_nolen (req->sv1);
1053	req->int2 = (mode_t)mode;	1490	req->int2 = (mode_t)mode;
1054	req->offs = dev;	1491	req->offs = dev;
		1492	req_set_path1 (req, pathname);
1055		1493
1056	REQ_SEND;	1494	REQ_SEND;
1057	}	1495	}
1058		1496
1059	void	1497	void
		1498	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1499	ALIAS:
		1500	aio_mtouch = EIO_MTOUCH
		1501	aio_msync = EIO_MSYNC
		1502	PPCODE:
		1503	{
		1504	STRLEN svlen;
		1505	char *svptr = SvPVbyte (data, svlen);
		1506	UV len = SvUV (length);
		1507
		1508	if (offset < 0)
		1509	offset += svlen;
		1510
		1511	if (offset < 0 || offset > svlen)
		1512	croak ("offset outside of scalar");
		1513
		1514	if (!SvOK (length) || len + offset > svlen)
		1515	len = svlen - offset;
		1516
		1517	{
		1518	dREQ;
		1519
		1520	req->type = ix;
		1521	req->sv2 = SvREFCNT_inc (data);
		1522	req->ptr2 = (char *)svptr + offset;
		1523	req->size = len;
		1524	req->int1 = flags;
		1525
		1526	REQ_SEND;
		1527	}
		1528	}
		1529
		1530	void
		1531	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1532	PPCODE:
		1533	{
		1534	STRLEN svlen;
		1535	char *svptr = SvPVbyte (data, svlen);
		1536	UV len = SvUV (length);
		1537
		1538	if (offset < 0)
		1539	offset += svlen;
		1540
		1541	if (offset < 0 || offset > svlen)
		1542	croak ("offset outside of scalar");
		1543
		1544	if (!SvOK (length) || len + offset > svlen)
		1545	len = svlen - offset;
		1546
		1547	{
		1548	dREQ;
		1549
		1550	req->type = EIO_MLOCK;
		1551	req->sv2 = SvREFCNT_inc (data);
		1552	req->ptr2 = (char *)svptr + offset;
		1553	req->size = len;
		1554
		1555	REQ_SEND;
		1556	}
		1557	}
		1558
		1559	void
		1560	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1561	PPCODE:
		1562	{
		1563	dREQ;
		1564
		1565	req->type = EIO_MLOCKALL;
		1566	req->int1 = flags;
		1567
		1568	REQ_SEND;
		1569	}
		1570
		1571	void
1060	aio_busy (double delay, SV *callback=&PL_sv_undef)	1572	aio_busy (double delay, SV *callback=&PL_sv_undef)
1061	PPCODE:	1573	PPCODE:
1062	{	1574	{
1063	dREQ;	1575	dREQ;
1064		1576
…		…
1068	REQ_SEND;	1580	REQ_SEND;
1069	}	1581	}
1070		1582
1071	void	1583	void
1072	aio_group (SV *callback=&PL_sv_undef)	1584	aio_group (SV *callback=&PL_sv_undef)
1073	PROTOTYPE: ;$
1074	PPCODE:	1585	PPCODE:
1075	{	1586	{
1076	dREQ;	1587	dREQ;
1077		1588
1078	req->type = EIO_GROUP;	1589	req->type = EIO_GROUP;
1079		1590
1080	req_submit (req);	1591	req_submit (req);
1081	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1592	XPUSHs (req_sv (req, aio_grp_stash));
1082	}	1593	}
1083		1594
1084	void	1595	void
1085	aio_nop (SV *callback=&PL_sv_undef)	1596	aio_nop (SV *callback=&PL_sv_undef)
1086	ALIAS:	1597	ALIAS:
…		…
1095	REQ_SEND;	1606	REQ_SEND;
1096	}	1607	}
1097		1608
1098	int	1609	int
1099	aioreq_pri (int pri = 0)	1610	aioreq_pri (int pri = 0)
1100	PROTOTYPE: ;$
1101	CODE:	1611	CODE:
1102	RETVAL = next_pri;	1612	RETVAL = next_pri;
1103	if (items > 0)	1613	if (items > 0)
1104	{	1614	{
1105	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1615	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1117	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1627	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1118	next_pri = nice;	1628	next_pri = nice;
1119		1629
1120	void	1630	void
1121	flush ()	1631	flush ()
1122	PROTOTYPE:
1123	CODE:	1632	CODE:
1124	while (eio_nreqs ())	1633	while (eio_nreqs ())
1125	{	1634	{
1126	poll_wait ();	1635	poll_wait ();
1127	poll_cb ();	1636	poll_cb ();
1128	}	1637	}
1129		1638
1130	int	1639	int
1131	poll()	1640	poll ()
1132	PROTOTYPE:
1133	CODE:	1641	CODE:
1134	poll_wait ();	1642	poll_wait ();
1135	RETVAL = poll_cb ();	1643	RETVAL = poll_cb ();
1136	OUTPUT:	1644	OUTPUT:
1137	RETVAL	1645	RETVAL
1138		1646
1139	int	1647	int
1140	poll_fileno()	1648	poll_fileno ()
1141	PROTOTYPE:
1142	CODE:	1649	CODE:
1143	RETVAL = respipe [0];	1650	RETVAL = s_epipe_fd (&respipe);
1144	OUTPUT:	1651	OUTPUT:
1145	RETVAL	1652	RETVAL
1146		1653
1147	int	1654	int
1148	poll_cb(...)	1655	poll_cb (...)
1149	PROTOTYPE:	1656	PROTOTYPE:
1150	CODE:	1657	CODE:
1151	RETVAL = poll_cb ();	1658	RETVAL = poll_cb ();
1152	OUTPUT:	1659	OUTPUT:
1153	RETVAL	1660	RETVAL
1154		1661
1155	void	1662	void
1156	poll_wait()	1663	poll_wait ()
1157	PROTOTYPE:
1158	CODE:	1664	CODE:
1159	poll_wait ();	1665	poll_wait ();
1160		1666
1161	int	1667	int
1162	nreqs()	1668	nreqs ()
1163	PROTOTYPE:
1164	CODE:	1669	CODE:
1165	RETVAL = eio_nreqs ();	1670	RETVAL = eio_nreqs ();
1166	OUTPUT:	1671	OUTPUT:
1167	RETVAL	1672	RETVAL
1168		1673
1169	int	1674	int
1170	nready()	1675	nready ()
1171	PROTOTYPE:
1172	CODE:	1676	CODE:
1173	RETVAL = eio_nready ();	1677	RETVAL = eio_nready ();
1174	OUTPUT:	1678	OUTPUT:
1175	RETVAL	1679	RETVAL
1176		1680
1177	int	1681	int
1178	npending()	1682	npending ()
1179	PROTOTYPE:
1180	CODE:	1683	CODE:
1181	RETVAL = eio_npending ();	1684	RETVAL = eio_npending ();
1182	OUTPUT:	1685	OUTPUT:
1183	RETVAL	1686	RETVAL
1184		1687
1185	int	1688	int
1186	nthreads()	1689	nthreads ()
1187	PROTOTYPE:
1188	CODE:	1690	CODE:
1189	RETVAL = eio_nthreads ();	1691	RETVAL = eio_nthreads ();
1190	OUTPUT:	1692	OUTPUT:
1191	RETVAL	1693	RETVAL
1192		1694
1193	int	1695	int
1194	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1696	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1195	PROTOTYPE: $$$$
1196	CODE:	1697	CODE:
1197	{
1198	#if _XOPEN_SOURCE >= 600
1199	RETVAL = posix_fadvise (fh, offset, length, advice);	1698	RETVAL = posix_fadvise (fh, offset, length, advice);
1200	#else
1201	RETVAL = errno = ENOSYS;
1202	#endif
1203	}
1204	OUTPUT:	1699	OUTPUT:
1205	RETVAL	1700	RETVAL
1206		1701
1207	ssize_t	1702	IV
1208	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1703	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1209	PROTOTYPE: $$$$
1210	CODE:	1704	CODE:
1211	eio_sendfile_sync (ofh, ifh, offset, count);	1705	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1706	OUTPUT:
		1707	RETVAL
		1708
		1709	void
		1710	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1711	PPCODE:
		1712	sv_unmagic (scalar, MMAP_MAGIC);
		1713	{
		1714	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1715	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1716	if (addr == (void *)-1)
		1717	XSRETURN_NO;
		1718
		1719	sv_force_normal (scalar);
		1720
		1721	/* we store the length in mg_obj, as namlen is I32 :/ */
		1722	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1723	->mg_obj = (SV *)length;
		1724
		1725	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1726
		1727	if (!(prot & PROT_WRITE))
		1728	SvREADONLY_on (scalar);
		1729
		1730	if (SvLEN (scalar))
		1731	Safefree (SvPVX (scalar));
		1732
		1733	SvPVX (scalar) = (char *)addr;
		1734	SvCUR_set (scalar, length);
		1735	SvLEN_set (scalar, 0);
		1736	SvPOK_only (scalar);
		1737
		1738	XSRETURN_YES;
		1739	}
		1740
		1741	void
		1742	munmap (SV *scalar)
		1743	CODE:
		1744	sv_unmagic (scalar, MMAP_MAGIC);
		1745
		1746	int
		1747	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1748	ALIAS:
		1749	mprotect = 1
		1750	CODE:
		1751	{
		1752	STRLEN svlen;
		1753	void *addr = SvPVbyte (scalar, svlen);
		1754	size_t len = SvUV (length);
		1755
		1756	if (offset < 0)
		1757	offset += svlen;
		1758
		1759	if (offset < 0 || offset > svlen)
		1760	croak ("offset outside of scalar");
		1761
		1762	if (!SvOK (length) || len + offset > svlen)
		1763	len = svlen - offset;
		1764
		1765	addr = (void *)(((intptr_t)addr) + offset);
		1766	eio_page_align (&addr, &len);
		1767
		1768	switch (ix)
		1769	{
		1770	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1771	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1772	}
		1773	}
		1774	OUTPUT:
		1775	RETVAL
		1776
		1777	int
		1778	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1779	CODE:
		1780	{
		1781	STRLEN svlen;
		1782	void *addr = SvPVbyte (scalar, svlen);
		1783	size_t len = SvUV (length);
		1784
		1785	if (offset < 0)
		1786	offset += svlen;
		1787
		1788	if (offset < 0 || offset > svlen)
		1789	croak ("offset outside of scalar");
		1790
		1791	if (!SvOK (length) || len + offset > svlen)
		1792	len = svlen - offset;
		1793
		1794	addr = (void *)(((intptr_t)addr) + offset);
		1795	eio_page_align (&addr, &len);
		1796	#if _POSIX_MEMLOCK_RANGE
		1797	RETVAL = munlock (addr, len);
		1798	#else
		1799	RETVAL = ((errno = ENOSYS), -1);
		1800	#endif
		1801	}
		1802	OUTPUT:
		1803	RETVAL
		1804
		1805	int
		1806	munlockall ()
		1807	CODE:
		1808	#if _POSIX_MEMLOCK
		1809	munlockall ();
		1810	#else
		1811	RETVAL = -1;
		1812	errno = ENOSYS;
		1813	#endif
		1814	OUTPUT:
		1815	RETVAL
1212		1816
1213	void _on_next_submit (SV *cb)	1817	void _on_next_submit (SV *cb)
1214	CODE:	1818	CODE:
1215	SvREFCNT_dec (on_next_submit);	1819	SvREFCNT_dec (on_next_submit);
1216	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1820	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1217		1821
1218	PROTOTYPES: DISABLE	1822	PROTOTYPES: DISABLE
1219		1823
		1824	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1825
		1826	BOOT:
		1827	{
		1828	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1829	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1830	}
		1831
		1832	void
		1833	DESTROY (SV *self)
		1834	CODE:
		1835	{
		1836	aio_wd wd = SvAIO_WD (self);
		1837	#if HAVE_AT
		1838	{
		1839	SV *callback = &PL_sv_undef;
		1840	dREQ; /* clobbers next_pri :/ */
		1841	next_pri = req->pri; /* restore next_pri */
		1842	req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
		1843	req->type = EIO_WD_CLOSE;
		1844	req->wd = wd;
		1845	REQ_SEND;
		1846	}
		1847	#else
		1848	eio_wd_close_sync (wd);
		1849	#endif
		1850	}
		1851
1220	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1852	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1221		1853
1222	void	1854	void
1223	cancel (aio_req_ornot req)	1855	cancel (aio_req_ornot req)
1224	CODE:	1856	CODE:
…		…
1231	if (GIMME_V != G_VOID)	1863	if (GIMME_V != G_VOID)
1232	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1864	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1233		1865
1234	if (items > 1)	1866	if (items > 1)
1235	{	1867	{
1236	SV *cb_cv = get_cb (callback);	1868	SV *cb_cv =get_cb (callback);
1237		1869
1238	SvREFCNT_dec (req->callback);	1870	SvREFCNT_dec (req->callback);
1239	req->callback = SvREFCNT_inc (cb_cv);	1871	req->callback = SvREFCNT_inc (cb_cv);
1240	}	1872	}
1241	}	1873	}

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