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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.155 by root, Fri Jul 17 00:56:54 2009 UTC vs.
Revision 1.196 by root, Tue Sep 27 00:41:51 2011 UTC

…		…
15	#include <sys/stat.h>	15	#include <sys/stat.h>
16	#include <limits.h>	16	#include <limits.h>
17	#include <fcntl.h>	17	#include <fcntl.h>
18	#include <sched.h>	18	#include <sched.h>
19		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
20	/* perl namespace pollution */	24	/* perl namespace pollution */
21	#undef VERSION	25	#undef VERSION
22
23	#ifdef _WIN32
24
25	# define EIO_STRUCT_DIRENT Direntry_t
26	# undef malloc
27	# undef free
28
29	// perl overrides all those nice win32 functions
30	# undef open
31	# undef read
32	# undef write
33	# undef send
34	# undef recv
35	# undef stat
36	# undef fstat
37	# define lstat stat
38	# undef truncate
39	# undef ftruncate
40	# undef open
41	# undef close
42	# undef unlink
43	# undef rmdir
44	# undef rename
45	# undef lseek
46
47	# define chown(a,b,c) (errno = ENOSYS, -1)
48	# define fchown(a,b,c) (errno = ENOSYS, -1)
49	# define fchmod(a,b) (errno = ENOSYS, -1)
50	# define symlink(a,b) (errno = ENOSYS, -1)
51	# define readlink(a,b,c) (errno = ENOSYS, -1)
52	# define mknod(a,b,c) (errno = ENOSYS, -1)
53	# define truncate(a,b) (errno = ENOSYS, -1)
54	# define ftruncate(fd,o) chsize ((fd), (o))
55	# define fsync(fd) _commit (fd)
56	# define opendir(fd) (errno = ENOSYS, 0)
57	# define readdir(fd) (errno = ENOSYS, -1)
58	# define closedir(fd) (errno = ENOSYS, -1)
59	# define mkdir(a,b) mkdir (a)
60
61	#else
62
63	# include <sys/time.h>
64	# include <sys/select.h>
65	# include <unistd.h>
66	# include <utime.h>
67	# include <signal.h>
68	# define EIO_STRUCT_DIRENT struct dirent
69
70	#endif
71		26
72	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
73	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
74	#undef readdir	29	#undef readdir
75	#undef opendir	30	#undef opendir
76	#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
77		76
78	#define EIO_STRUCT_STAT Stat_t	77	#define EIO_STRUCT_STAT Stat_t
79		78
80	/* use NV for 32 bit perls as it allows larger offsets */	79	/* use NV for 32 bit perls as it allows larger offsets */
81	#if IVSIZE >= 8	80	#if IVSIZE >= 8
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	98	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	99	#define expect_true(expr) expect ((expr) != 0, 1)
101		100
102	/*****************************************************************************/	101	/*****************************************************************************/
103		102
104	static HV *stash;
105	typedef SV SV8; /* byte-sv, used for argument-checking */	103	typedef SV SV8; /* byte-sv, used for argument-checking */
106	typedef int aio_rfd; /* read file desriptor */	104	typedef int aio_rfd; /* read file desriptor */
107	typedef int aio_wfd; /* write file descriptor */	105	typedef int aio_wfd; /* write file descriptor */
108		106
109	#define AIO_REQ_KLASS "IO::AIO::REQ"	107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110	#define AIO_GRP_KLASS "IO::AIO::GRP"
111		108
112	#define EIO_REQ_MEMBERS \	109	#define EIO_REQ_MEMBERS \
113	SV *callback; \	110	SV *callback; \
114	SV *sv1, *sv2; \	111	SV *sv1, *sv2; \
		112	SV *sv3, *sv4; \
115	STRLEN stroffset; \	113	STRLEN stroffset; \
116	SV *self;	114	SV *self;
117		115
118	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
119		117
		118	#include "libeio/config.h"
120	#include "libeio/eio.h"	119	#include "libeio/eio.h"
121
122	#ifndef POSIX_FADV_NORMAL
123	# define POSIX_FADV_NORMAL 0
124	# define NO_FADVISE 1
125	#endif
126
127	#ifndef POSIX_FADV_SEQUENTIAL
128	# define POSIX_FADV_SEQUENTIAL 0
129	#endif
130
131	#ifndef POSIX_FADV_RANDOM
132	# define POSIX_FADV_RANDOM 0
133	#endif
134
135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0
137	#endif
138
139	#ifndef POSIX_FADV_WILLNEED
140	# define POSIX_FADV_WILLNEED 0
141	#endif
142
143	#ifndef POSIX_FADV_DONTNEED
144	# define POSIX_FADV_DONTNEED 0
145	#endif
146		120
147	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
148	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
149	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
150	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
151		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
152	enum {	329	enum {
153	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
154	};	331	};
155		332
156	#include "libeio/eio.c"
157
158	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
159	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
		335	typedef eio_wd aio_wd;
160		336
161	static SV *on_next_submit;	337	static SV *on_next_submit;
162	static int next_pri = EIO_PRI_DEFAULT;	338	static int next_pri = EIO_PRI_DEFAULT;
163	static int max_outstanding;	339	static int max_outstanding;
164		340
…		…
178	/* read any signals sent by the worker threads */	354	/* read any signals sent by the worker threads */
179	s_epipe_drain (&respipe);	355	s_epipe_drain (&respipe);
180	}	356	}
181		357
182	/* must be called at most once */	358	/* must be called at most once */
183	static SV *req_sv (aio_req req, const char *klass)	359	static SV *req_sv (aio_req req, HV *stash)
184	{	360	{
185	if (!req->self)	361	if (!req->self)
186	{	362	{
187	req->self = (SV *)newHV ();	363	req->self = (SV *)newHV ();
188	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	364	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189	}	365	}
190		366
191	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);
192	}	374	}
193		375
194	static aio_req SvAIO_REQ (SV *sv)	376	static aio_req SvAIO_REQ (SV *sv)
195	{	377	{
196	MAGIC *mg;	378	MAGIC *mg;
197		379
198	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")))
199	croak ("object of class " AIO_REQ_KLASS " expected");	384	croak ("object of class IO::AIO::REQ expected");
200		385
201	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	386	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202		387
203	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));
204	}	399	}
205		400
206	static void aio_grp_feed (aio_req grp)	401	static void aio_grp_feed (aio_req grp)
207	{	402	{
208	if (grp->sv2 && SvOK (grp->sv2))	403	if (grp->sv2 && SvOK (grp->sv2))
…		…
210	dSP;	405	dSP;
211		406
212	ENTER;	407	ENTER;
213	SAVETMPS;	408	SAVETMPS;
214	PUSHMARK (SP);	409	PUSHMARK (SP);
215	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	410	XPUSHs (req_sv (grp, aio_grp_stash));
216	PUTBACK;	411	PUTBACK;
217	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	412	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218	SPAGAIN;	413	SPAGAIN;
219	FREETMPS;	414	FREETMPS;
220	LEAVE;	415	LEAVE;
…		…
238	}	433	}
239	}	434	}
240		435
241	static int req_invoke (eio_req *req)	436	static int req_invoke (eio_req *req)
242	{	437	{
243	dSP;
244
245	if (req->flags & FLAG_SV2_RO_OFF)	438	if (req->flags & FLAG_SV2_RO_OFF)
246	SvREADONLY_off (req->sv2);	439	SvREADONLY_off (req->sv2);
247		440
248	if (!EIO_CANCELLED (req) && req->callback)	441	if (!EIO_CANCELLED (req) && req->callback)
249	{	442	{
		443	dSP;
		444	static SV *sv_result_cache; /* caches the result integer SV */
		445	SV *sv_result;
		446
250	ENTER;	447	ENTER;
251	SAVETMPS;	448	SAVETMPS;
252	PUSHMARK (SP);	449	PUSHMARK (SP);
253	EXTEND (SP, 1);	450	EXTEND (SP, 1);
254		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
255	switch (req->type)	465	switch (req->type)
256	{	466	{
		467	case EIO_WD_OPEN:
		468	PUSHs (sv_2mortal (newSVaio_wd (req->wd)));
		469	break;
		470
257	case EIO_READDIR:	471	case EIO_READDIR:
258	{	472	{
259	SV *rv = &PL_sv_undef;	473	SV *rv = &PL_sv_undef;
260		474
261	if (req->result >= 0)	475	if (req->result >= 0)
…		…
326	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	540	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327	char sym [64];	541	char sym [64];
328	int symlen;	542	int symlen;
329		543
330	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	544	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331	gv_init (gv, stash, sym, symlen, 0);	545	gv_init (gv, aio_stash, sym, symlen, 0);
332		546
333	symlen = snprintf (	547	symlen = snprintf (
334	sym,	548	sym,
335	sizeof (sym),	549	sizeof (sym),
336	"%s&=%d",	550	"%s&=%d",
…		…
344		558
345	PUSHs (fh);	559	PUSHs (fh);
346	}	560	}
347	break;	561	break;
348		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
349	case EIO_GROUP:	595	case EIO_GROUP:
350	req->int1 = 2; /* mark group as finished */	596	req->int1 = 2; /* mark group as finished */
351		597
352	if (req->sv1)	598	if (req->sv1)
353	{	599	{
…		…
363	case EIO_NOP:	609	case EIO_NOP:
364	case EIO_BUSY:	610	case EIO_BUSY:
365	break;	611	break;
366		612
367	case EIO_READLINK:	613	case EIO_READLINK:
		614	case EIO_REALPATH:
368	if (req->result > 0)	615	if (req->result > 0)
369	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	616	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370	break;	617	break;
371		618
372	case EIO_STAT:	619	case EIO_STAT:
373	case EIO_LSTAT:	620	case EIO_LSTAT:
374	case EIO_FSTAT:	621	case EIO_FSTAT:
375	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	622	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
376	PL_laststatval = req->result;	623	PL_laststatval = req->result;
		624	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
377	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	625	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378	PUSHs (sv_2mortal (newSViv (req->result)));	626	PUSHs (sv_result);
379	break;	627	break;
380		628
381	case EIO_READ:	629	case EIO_READ:
382	{	630	{
383	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	631	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
384	*SvEND (req->sv2) = 0;	632	*SvEND (req->sv2) = 0;
385	SvPOK_only (req->sv2);	633	SvPOK_only (req->sv2);
386	SvSETMAGIC (req->sv2);	634	SvSETMAGIC (req->sv2);
387	PUSHs (sv_2mortal (newSViv (req->result)));	635	PUSHs (sv_result);
388	}	636	}
389	break;	637	break;
390		638
391	case EIO_DUP2:	639	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
392	if (req->result > 0)	640	if (req->result > 0)
393	req->result = 0;	641	SvIV_set (sv_result, 0);
394	/* FALLTHROUGH */	642	/* FALLTHROUGH */
395		643
396	default:	644	default:
397	PUSHs (sv_2mortal (newSViv (req->result)));	645	PUSHs (sv_result);
398	break;	646	break;
399	}	647	}
400		648
401	errno = req->errorno;	649	errno = req->errorno;
402		650
403	PUTBACK;	651	PUTBACK;
404	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	652	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405	SPAGAIN;	653	SPAGAIN;
		654
		655	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		656	SvREFCNT_dec (sv_result);
		657	else
		658	sv_result_cache = sv_result;
406		659
407	FREETMPS;	660	FREETMPS;
408	LEAVE;	661	LEAVE;
409		662
410	PUTBACK;	663	PUTBACK;
…		…
421	SvREFCNT_dec (req->self);	674	SvREFCNT_dec (req->self);
422	}	675	}
423		676
424	SvREFCNT_dec (req->sv1);	677	SvREFCNT_dec (req->sv1);
425	SvREFCNT_dec (req->sv2);	678	SvREFCNT_dec (req->sv2);
		679	SvREFCNT_dec (req->sv3);
		680	SvREFCNT_dec (req->sv4);
426	SvREFCNT_dec (req->callback);	681	SvREFCNT_dec (req->callback);
427		682
428	Safefree (req);	683	Safefree (req);
429	}	684	}
430		685
431	static void req_cancel_subs (aio_req grp)	686	static void req_cancel_subs (aio_req grp)
432	{	687	{
433	aio_req sub;
434
435	if (grp->type != EIO_GROUP)	688	if (grp->type != EIO_GROUP)
436	return;	689	return;
437		690
438	SvREFCNT_dec (grp->sv2);	691	SvREFCNT_dec (grp->sv2);
439	grp->sv2 = 0;	692	grp->sv2 = 0;
440		693
441	eio_grp_cancel (grp);	694	eio_grp_cancel (grp);
442	}	695	}
443		696
444	static void
445	create_respipe (void)	697	static void create_respipe (void)
446	{	698	{
447	if (s_epipe_renew (&respipe))	699	if (s_epipe_renew (&respipe))
448	croak ("IO::AIO: unable to initialize result pipe");	700	croak ("IO::AIO: unable to initialize result pipe");
449	}	701	}
450		702
…		…
481		733
482	poll_wait ();	734	poll_wait ();
483	}	735	}
484	}	736	}
485		737
486	static void atfork_child (void)	738	static void ecb_cold
		739	reinit (void)
487	{	740	{
488	create_respipe ();	741	create_respipe ();
489	}
490		742
491	static SV *	743	if (eio_init (want_poll, done_poll) < 0)
		744	croak ("IO::AIO: unable to initialise eio library");
		745	}
		746
		747	/*****************************************************************************/
		748
		749	#if !_POSIX_MAPPED_FILES
		750	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		751	# define munmap(addr,length) (errno = ENOSYS, -1)
		752	#endif
		753
		754	#if !_POSIX_MEMORY_PROTECTION
		755	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		756	# define PROT_NONE 0
		757	# define PROT_WRITE 0
		758	# define MAP_PRIVATE 0
		759	# define MAP_SHARED 0
		760	# define MAP_FIXED 0
		761	#endif
		762
		763	#define MMAP_MAGIC PERL_MAGIC_ext
		764
		765	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		766	{
		767	int old_errno = errno;
		768	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		769	errno = old_errno;
		770
		771	mg->mg_obj = 0; /* just in case */
		772
		773	SvREADONLY_off (sv);
		774
		775	if (SvPVX (sv) != mg->mg_ptr)
		776	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		777
		778	SvCUR_set (sv, 0);
		779	SvPVX (sv) = 0;
		780	SvOK_off (sv);
		781
		782	return 0;
		783	}
		784
		785	static MGVTBL mmap_vtbl = {
		786	0, 0, 0, 0, mmap_free
		787	};
		788
		789	/*****************************************************************************/
		790
492	get_cb (SV *cb_sv)	791	static SV * get_cb (SV *cb_sv)
493	{	792	{
494	SvGETMAGIC (cb_sv);	793	SvGETMAGIC (cb_sv);
495	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
496	}	795	}
497		796
…		…
514	PUTBACK; \	813	PUTBACK; \
515	req_submit (req); \	814	req_submit (req); \
516	SPAGAIN; \	815	SPAGAIN; \
517	\	816	\
518	if (GIMME_V != G_VOID) \	817	if (GIMME_V != G_VOID) \
519	XPUSHs (req_sv (req, AIO_REQ_KLASS));	818	XPUSHs (req_sv (req, aio_req_stash));
		819
		820	static void
		821	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
		822	{
		823	if (SvROK (path))
		824	{
		825	AV *av = (AV *)SvRV (path);
		826	SV *wdob;
		827
		828	if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1)
		829	croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
		830
		831	path = AvARRAY (av)[1];
		832	wdob = AvARRAY (av)[0];
		833
		834	if (SvOK (wdob))
		835	{
		836	*wd = SvAIO_WD (wdob);
		837	*wdsv = SvREFCNT_inc_NN (SvRV (wdob));
		838	}
		839	else
		840	*wd = EIO_INVALID_WD;
		841	}
		842
		843	*pathsv = newSVsv (path);
		844	*ptr = SvPVbyte_nolen (*pathsv);
		845	}
		846
		847	static void
		848	req_set_path1 (aio_req req, SV *path)
		849	{
		850	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
		851	}
		852
		853	static void
		854	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
		855	{
		856	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
		857
		858	switch (SvTYPE (rv))
		859	{
		860	case SVt_PVIO:
		861	case SVt_PVLV:
		862	case SVt_PVGV:
		863	req->type = type_fh;
		864	req->sv1 = newSVsv (fh_or_path);
		865	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		866	break;
		867
		868	default:
		869	req->type = type_path;
		870	req_set_path1 (req, fh_or_path);
		871	break;
		872	}
		873
		874	}
520		875
521	MODULE = IO::AIO PACKAGE = IO::AIO	876	MODULE = IO::AIO PACKAGE = IO::AIO
522		877
523	PROTOTYPES: ENABLE	878	PROTOTYPES: ENABLE
524		879
…		…
526	{	881	{
527	static const struct {	882	static const struct {
528	const char *name;	883	const char *name;
529	IV iv;	884	IV iv;
530	} *civ, const_iv[] = {	885	} *civ, const_iv[] = {
531	# define const_iv(name, value) { # name, (IV) value },	886	# define const_niv(name, value) { # name, (IV) value },
		887	# define const_iv(name) { # name, (IV) name },
532	# define const_eio(name) { # name, (IV) EIO_ ## name },	888	# define const_eio(name) { # name, (IV) EIO_ ## name },
533	const_iv (EXDEV , EXDEV)	889	const_iv (EXDEV)
534	const_iv (ENOSYS , ENOSYS)	890	const_iv (ENOSYS)
535	const_iv (O_RDONLY, O_RDONLY)	891	const_iv (O_RDONLY)
536	const_iv (O_WRONLY, O_WRONLY)	892	const_iv (O_WRONLY)
		893	const_iv (O_RDWR)
537	const_iv (O_CREAT , O_CREAT)	894	const_iv (O_CREAT)
538	const_iv (O_TRUNC , O_TRUNC)	895	const_iv (O_TRUNC)
539	#ifndef _WIN32	896	const_iv (O_EXCL)
		897	const_iv (O_APPEND)
		898
		899	const_iv (O_ASYNC)
		900	const_iv (O_DIRECT)
		901	const_iv (O_NOATIME)
		902
		903	const_iv (O_CLOEXEC)
		904	const_iv (O_NOCTTY)
		905	const_iv (O_NOFOLLOW)
		906	const_iv (O_NONBLOCK)
		907	const_iv (O_EXEC)
		908	const_iv (O_SEARCH)
		909	const_iv (O_DIRECTORY)
		910	const_iv (O_DSYNC)
		911	const_iv (O_RSYNC)
		912	const_iv (O_SYNC)
		913	const_iv (O_TTY_INIT)
		914
540	const_iv (S_IFIFO , S_IFIFO)	915	const_iv (S_IFIFO)
541	#endif	916	const_iv (S_IFCHR)
		917	const_iv (S_IFBLK)
		918	const_iv (S_IFLNK)
		919	const_iv (S_IFREG)
		920	const_iv (S_IFDIR)
		921	const_iv (S_IFWHT)
		922	const_iv (S_IFSOCK)
		923	const_iv (S_IFMT)
		924
542	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	925	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
543	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	926	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
544	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	927	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
545	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	928	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
546	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	929	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
547	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	930	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		931
		932	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		933	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		934	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		935	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		936	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		937
		938	const_iv (ST_RDONLY)
		939	const_iv (ST_NOSUID)
		940	const_iv (ST_NODEV)
		941	const_iv (ST_NOEXEC)
		942	const_iv (ST_SYNCHRONOUS)
		943	const_iv (ST_MANDLOCK)
		944	const_iv (ST_WRITE)
		945	const_iv (ST_APPEND)
		946	const_iv (ST_IMMUTABLE)
		947	const_iv (ST_NOATIME)
		948	const_iv (ST_NODIRATIME)
		949	const_iv (ST_RELATIME)
		950
		951	const_iv (PROT_NONE)
		952	const_iv (PROT_EXEC)
		953	const_iv (PROT_READ)
		954	const_iv (PROT_WRITE)
		955
		956	/*const_iv (MAP_FIXED)*/
		957	const_iv (MAP_PRIVATE)
		958	const_iv (MAP_SHARED)
		959	const_iv (MAP_ANONYMOUS)
		960
		961	/* linuxish */
		962	const_iv (MAP_HUGETLB)
		963	const_iv (MAP_LOCKED)
		964	const_iv (MAP_NORESERVE)
		965	const_iv (MAP_POPULATE)
		966	const_iv (MAP_NONBLOCK)
		967
		968	const_eio (MCL_FUTURE)
		969	const_eio (MCL_CURRENT)
		970
		971	const_eio (MS_ASYNC)
		972	const_eio (MS_INVALIDATE)
		973	const_eio (MS_SYNC)
		974
		975	const_eio (MT_MODIFY)
548		976
549	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	977	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
550	const_eio (SYNC_FILE_RANGE_WRITE)	978	const_eio (SYNC_FILE_RANGE_WRITE)
551	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	979	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		980
		981	const_eio (FALLOC_FL_KEEP_SIZE)
552		982
553	const_eio (READDIR_DENTS)	983	const_eio (READDIR_DENTS)
554	const_eio (READDIR_DIRS_FIRST)	984	const_eio (READDIR_DIRS_FIRST)
555	const_eio (READDIR_STAT_ORDER)	985	const_eio (READDIR_STAT_ORDER)
556	const_eio (READDIR_FOUND_UNKNOWN)	986	const_eio (READDIR_FOUND_UNKNOWN)
…		…
564	const_eio (DT_LNK)	994	const_eio (DT_LNK)
565	const_eio (DT_SOCK)	995	const_eio (DT_SOCK)
566	const_eio (DT_WHT)	996	const_eio (DT_WHT)
567	};	997	};
568		998
569	stash = gv_stashpv ("IO::AIO", 1);	999	aio_stash = gv_stashpv ("IO::AIO" , 1);
		1000	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		1001	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		1002	aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
570		1003
571	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1004	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
572	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1005	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
573		1006
574	create_respipe ();	1007	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
575		1008
576	if (eio_init (want_poll, done_poll) < 0)	1009	reinit ();
577	croak ("IO::AIO: unable to initialise eio library");
578
579	/* atfork child called in fifo order, so before eio's handler */
580	X_THREAD_ATFORK (0, 0, atfork_child);
581	}	1010	}
582		1011
583	void	1012	void
		1013	reinit ()
		1014	PROTOTYPE:
		1015
		1016	void
584	max_poll_reqs (int nreqs)	1017	max_poll_reqs (unsigned int nreqs)
585	PROTOTYPE: $	1018	PROTOTYPE: $
586	CODE:	1019	CODE:
587	eio_set_max_poll_reqs (nreqs);	1020	eio_set_max_poll_reqs (nreqs);
588		1021
589	void	1022	void
…		…
591	PROTOTYPE: $	1024	PROTOTYPE: $
592	CODE:	1025	CODE:
593	eio_set_max_poll_time (nseconds);	1026	eio_set_max_poll_time (nseconds);
594		1027
595	void	1028	void
596	min_parallel (int nthreads)	1029	min_parallel (unsigned int nthreads)
597	PROTOTYPE: $	1030	PROTOTYPE: $
598	CODE:	1031	CODE:
599	eio_set_min_parallel (nthreads);	1032	eio_set_min_parallel (nthreads);
600		1033
601	void	1034	void
602	max_parallel (int nthreads)	1035	max_parallel (unsigned int nthreads)
603	PROTOTYPE: $	1036	PROTOTYPE: $
604	CODE:	1037	CODE:
605	eio_set_max_parallel (nthreads);	1038	eio_set_max_parallel (nthreads);
606		1039
607	void	1040	void
608	max_idle (int nthreads)	1041	max_idle (unsigned int nthreads)
609	PROTOTYPE: $	1042	PROTOTYPE: $
610	CODE:	1043	CODE:
611	eio_set_max_idle (nthreads);	1044	eio_set_max_idle (nthreads);
612		1045
613	void	1046	void
		1047	idle_timeout (unsigned int seconds)
		1048	PROTOTYPE: $
		1049	CODE:
		1050	eio_set_idle_timeout (seconds);
		1051
		1052	void
614	max_outstanding (int maxreqs)	1053	max_outstanding (unsigned int maxreqs)
615	PROTOTYPE: $	1054	PROTOTYPE: $
616	CODE:	1055	CODE:
617	max_outstanding = maxreqs;	1056	max_outstanding = maxreqs;
618		1057
619	void	1058	void
		1059	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
		1060	PPCODE:
		1061	{
		1062	dREQ;
		1063
		1064	req->type = EIO_WD_OPEN;
		1065	req_set_path1 (req, pathname);
		1066
		1067	REQ_SEND;
		1068	}
		1069
		1070	void
620	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1071	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
621	PROTOTYPE: $$$;$
622	PPCODE:	1072	PPCODE:
623	{	1073	{
624	dREQ;	1074	dREQ;
625		1075
626	req->type = EIO_OPEN;	1076	req->type = EIO_OPEN;
627	req->sv1 = newSVsv (pathname);	1077	req_set_path1 (req, pathname);
628	req->ptr1 = SvPVbyte_nolen (req->sv1);
629	req->int1 = flags;	1078	req->int1 = flags;
630	req->int2 = mode;	1079	req->int2 = mode;
631		1080
632	REQ_SEND;	1081	REQ_SEND;
633	}	1082	}
634		1083
635	void	1084	void
636	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1085	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
637	PROTOTYPE: $;$
638	ALIAS:	1086	ALIAS:
639	aio_fsync = EIO_FSYNC	1087	aio_fsync = EIO_FSYNC
640	aio_fdatasync = EIO_FDATASYNC	1088	aio_fdatasync = EIO_FDATASYNC
		1089	aio_syncfs = EIO_SYNCFS
641	PPCODE:	1090	PPCODE:
642	{	1091	{
643	int fd = s_fileno_croak (fh, 0);	1092	int fd = s_fileno_croak (fh, 0);
644	dREQ;	1093	dREQ;
645		1094
…		…
650	REQ_SEND (req);	1099	REQ_SEND (req);
651	}	1100	}
652		1101
653	void	1102	void
654	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1103	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
655	PROTOTYPE: $$$$;$
656	PPCODE:	1104	PPCODE:
657	{	1105	{
658	int fd = s_fileno_croak (fh, 0);	1106	int fd = s_fileno_croak (fh, 0);
659	dREQ;	1107	dREQ;
660		1108
…		…
667		1115
668	REQ_SEND (req);	1116	REQ_SEND (req);
669	}	1117	}
670		1118
671	void	1119	void
672	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1120	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
673	PROTOTYPE: $;$
674	PPCODE:	1121	PPCODE:
675	{	1122	{
676	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
677	int fd = s_fileno_croak (fh, 0);	1123	int fd = s_fileno_croak (fh, 0);
678	dREQ;	1124	dREQ;
679		1125
680	if (close_pipe < 0)	1126	req->type = EIO_FALLOCATE;
		1127	req->sv1 = newSVsv (fh);
		1128	req->int1 = fd;
		1129	req->int2 = mode;
		1130	req->offs = offset;
		1131	req->size = len;
		1132
		1133	REQ_SEND (req);
		1134	}
		1135
		1136	void
		1137	aio_close (SV *fh, SV *callback=&PL_sv_undef)
		1138	PPCODE:
		1139	{
		1140	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1141	int fd = s_fileno_croak (fh, 0);
		1142	dREQ;
		1143
		1144	if (expect_false (close_fd < 0))
681	{	1145	{
682	int pipefd [2];	1146	int pipefd [2];
683		1147
		1148	if (
		1149	#ifdef _WIN32
		1150	_pipe (pipefd, 1, _O_BINARY) < 0
		1151	#else
684	if (pipe (pipefd) < 0	1152	pipe (pipefd) < 0
685	|| close (pipefd [1]) < 0
686	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1153	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1154	#endif
		1155	|| close (pipefd [1]) < 0
		1156	)
687	abort (); /*D*/	1157	abort (); /*D*/
688		1158
689	close_pipe = pipefd [0];	1159	close_fd = pipefd [0];
690	}	1160	}
691		1161
692	req->type = EIO_DUP2;	1162	req->type = EIO_DUP2;
693	req->int1 = close_pipe;	1163	req->int1 = close_fd;
694	req->sv2 = newSVsv (fh);	1164	req->sv2 = newSVsv (fh);
695	req->int2 = fd;	1165	req->int2 = fd;
696		1166
697	REQ_SEND (req);	1167	REQ_SEND (req);
698	}	1168	}
…		…
700	void	1170	void
701	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1171	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
702	ALIAS:	1172	ALIAS:
703	aio_read = EIO_READ	1173	aio_read = EIO_READ
704	aio_write = EIO_WRITE	1174	aio_write = EIO_WRITE
705	PROTOTYPE: $$$$$;$
706	PPCODE:	1175	PPCODE:
707	{	1176	{
708	STRLEN svlen;	1177	STRLEN svlen;
709	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1178	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
710	char *svptr = SvPVbyte (data, svlen);	1179	char *svptr = SvPVbyte (data, svlen);
…		…
750	REQ_SEND;	1219	REQ_SEND;
751	}	1220	}
752	}	1221	}
753		1222
754	void	1223	void
755	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1224	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
756	PROTOTYPE: $$;$	1225	ALIAS:
		1226	aio_readlink = EIO_READLINK
		1227	aio_realpath = EIO_REALPATH
757	PPCODE:	1228	PPCODE:
758	{	1229	{
759	SV *data;
760	dREQ;	1230	dREQ;
761		1231
762	req->type = EIO_READLINK;	1232	req->type = ix;
763	req->sv1 = newSVsv (path);	1233	req_set_path1 (req, pathname);
764	req->ptr1 = SvPVbyte_nolen (req->sv1);
765		1234
766	REQ_SEND;	1235	REQ_SEND;
767	}	1236	}
768		1237
769	void	1238	void
770	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1239	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
771	PROTOTYPE: $$$$;$
772	PPCODE:	1240	PPCODE:
773	{	1241	{
774	int ifd = s_fileno_croak (in_fh , 0);	1242	int ifd = s_fileno_croak (in_fh , 0);
775	int ofd = s_fileno_croak (out_fh, 1);	1243	int ofd = s_fileno_croak (out_fh, 1);
776	dREQ;	1244	dREQ;
…		…
786	REQ_SEND;	1254	REQ_SEND;
787	}	1255	}
788		1256
789	void	1257	void
790	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1258	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
791	PROTOTYPE: $$$;$
792	PPCODE:	1259	PPCODE:
793	{	1260	{
794	int fd = s_fileno_croak (fh, 0);	1261	int fd = s_fileno_croak (fh, 0);
795	dREQ;	1262	dREQ;
796		1263
…		…
804	}	1271	}
805		1272
806	void	1273	void
807	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1274	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
808	ALIAS:	1275	ALIAS:
809	aio_stat = EIO_STAT	1276	aio_stat = EIO_STAT
810	aio_lstat = EIO_LSTAT	1277	aio_lstat = EIO_LSTAT
		1278	aio_statvfs = EIO_STATVFS
811	PPCODE:	1279	PPCODE:
812	{	1280	{
813	dREQ;	1281	dREQ;
814		1282
815	req->sv1 = newSVsv (fh_or_path);	1283	req->sv1 = newSVsv (fh_or_path);
816		1284	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
817	if (SvPOK (req->sv1))
818	{
819	req->type = ix;
820	req->ptr1 = SvPVbyte_nolen (req->sv1);
821	}
822	else
823	{
824	req->type = EIO_FSTAT;
825	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
826	}
827
828	REQ_SEND;	1285	REQ_SEND;
829	}	1286	}
		1287
		1288	UV
		1289	major (UV dev)
		1290	ALIAS:
		1291	minor = 1
		1292	CODE:
		1293	RETVAL = ix ? major (dev) : minor (dev);
		1294	OUTPUT:
		1295	RETVAL
		1296
		1297	UV
		1298	makedev (UV maj, UV min)
		1299	CODE:
		1300	RETVAL = makedev (maj, min);
		1301	OUTPUT:
		1302	RETVAL
830		1303
831	void	1304	void
832	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1305	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
833	PPCODE:	1306	PPCODE:
834	{	1307	{
835	dREQ;	1308	dREQ;
836		1309
837	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1310	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
838	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;	1311	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
839	req->sv1 = newSVsv (fh_or_path);	1312	req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
840
841	if (SvPOK (req->sv1))
842	{
843	req->type = EIO_UTIME;
844	req->ptr1 = SvPVbyte_nolen (req->sv1);
845	}
846	else
847	{
848	req->type = EIO_FUTIME;
849	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
850	}
851		1313
852	REQ_SEND;	1314	REQ_SEND;
853	}	1315	}
854		1316
855	void	1317	void
856	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1318	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
857	PPCODE:	1319	PPCODE:
858	{	1320	{
859	dREQ;	1321	dREQ;
860		1322
861	req->sv1 = newSVsv (fh_or_path);
862	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1323	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
863		1324	req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
864	if (SvPOK (req->sv1))
865	{
866	req->type = EIO_TRUNCATE;
867	req->ptr1 = SvPVbyte_nolen (req->sv1);
868	}
869	else
870	{
871	req->type = EIO_FTRUNCATE;
872	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
873	}
874		1325
875	REQ_SEND;	1326	REQ_SEND;
876	}	1327	}
877		1328
878	void	1329	void
…		…
883	PPCODE:	1334	PPCODE:
884	{	1335	{
885	dREQ;	1336	dREQ;
886		1337
887	req->int2 = mode;	1338	req->int2 = mode;
888	req->sv1 = newSVsv (fh_or_path);	1339	req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
889
890	if (SvPOK (req->sv1))
891	{
892	req->type = ix;
893	req->ptr1 = SvPVbyte_nolen (req->sv1);
894	}
895	else
896	{
897	req->type = EIO_FCHMOD;
898	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
899	}
900		1340
901	REQ_SEND;	1341	REQ_SEND;
902	}	1342	}
903		1343
904	void	1344	void
…		…
907	{	1347	{
908	dREQ;	1348	dREQ;
909		1349
910	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1350	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
911	req->int3 = SvOK (gid) ? SvIV (gid) : -1;	1351	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
912	req->sv1 = newSVsv (fh_or_path);	1352	req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
913
914	if (SvPOK (req->sv1))
915	{
916	req->type = EIO_CHOWN;
917	req->ptr1 = SvPVbyte_nolen (req->sv1);
918	}
919	else
920	{
921	req->type = EIO_FCHOWN;
922	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
923	}
924		1353
925	REQ_SEND;	1354	REQ_SEND;
926	}	1355	}
927		1356
928	void	1357	void
…		…
951	PPCODE:	1380	PPCODE:
952	{	1381	{
953	dREQ;	1382	dREQ;
954		1383
955	req->type = ix;	1384	req->type = ix;
956	req->sv1 = newSVsv (pathname);	1385	req_set_path1 (req, pathname);
957	req->ptr1 = SvPVbyte_nolen (req->sv1);
958		1386
959	REQ_SEND;	1387	REQ_SEND;
960	}	1388	}
961		1389
962	void	1390	void
…		…
966	aio_symlink = EIO_SYMLINK	1394	aio_symlink = EIO_SYMLINK
967	aio_rename = EIO_RENAME	1395	aio_rename = EIO_RENAME
968	PPCODE:	1396	PPCODE:
969	{	1397	{
970	dREQ;	1398	dREQ;
		1399	eio_wd wd2;
971		1400
972	req->type = ix;	1401	req->type = ix;
973	req->sv1 = newSVsv (oldpath);	1402	req_set_path1 (req, oldpath);
974	req->ptr1 = SvPVbyte_nolen (req->sv1);	1403	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
975	req->sv2 = newSVsv (newpath);	1404	req->int3 = (long)wd2;
976	req->ptr2 = SvPVbyte_nolen (req->sv2);
977		1405
978	REQ_SEND;	1406	REQ_SEND;
979	}	1407	}
980		1408
981	void	1409	void
…		…
983	PPCODE:	1411	PPCODE:
984	{	1412	{
985	dREQ;	1413	dREQ;
986		1414
987	req->type = EIO_MKNOD;	1415	req->type = EIO_MKNOD;
988	req->sv1 = newSVsv (pathname);
989	req->ptr1 = SvPVbyte_nolen (req->sv1);
990	req->int2 = (mode_t)mode;	1416	req->int2 = (mode_t)mode;
991	req->offs = dev;	1417	req->offs = dev;
		1418	req_set_path1 (req, pathname);
992		1419
993	REQ_SEND;	1420	REQ_SEND;
994	}	1421	}
995		1422
996	void	1423	void
		1424	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1425	ALIAS:
		1426	aio_mtouch = EIO_MTOUCH
		1427	aio_msync = EIO_MSYNC
		1428	PPCODE:
		1429	{
		1430	STRLEN svlen;
		1431	char *svptr = SvPVbyte (data, svlen);
		1432	UV len = SvUV (length);
		1433
		1434	if (offset < 0)
		1435	offset += svlen;
		1436
		1437	if (offset < 0 || offset > svlen)
		1438	croak ("offset outside of scalar");
		1439
		1440	if (!SvOK (length) || len + offset > svlen)
		1441	len = svlen - offset;
		1442
		1443	{
		1444	dREQ;
		1445
		1446	req->type = ix;
		1447	req->sv2 = SvREFCNT_inc (data);
		1448	req->ptr2 = (char *)svptr + offset;
		1449	req->size = len;
		1450	req->int1 = flags;
		1451
		1452	REQ_SEND;
		1453	}
		1454	}
		1455
		1456	void
		1457	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1458	PPCODE:
		1459	{
		1460	STRLEN svlen;
		1461	char *svptr = SvPVbyte (data, svlen);
		1462	UV len = SvUV (length);
		1463
		1464	if (offset < 0)
		1465	offset += svlen;
		1466
		1467	if (offset < 0 || offset > svlen)
		1468	croak ("offset outside of scalar");
		1469
		1470	if (!SvOK (length) || len + offset > svlen)
		1471	len = svlen - offset;
		1472
		1473	{
		1474	dREQ;
		1475
		1476	req->type = EIO_MLOCK;
		1477	req->sv2 = SvREFCNT_inc (data);
		1478	req->ptr2 = (char *)svptr + offset;
		1479	req->size = len;
		1480
		1481	REQ_SEND;
		1482	}
		1483	}
		1484
		1485	void
		1486	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1487	PPCODE:
		1488	{
		1489	dREQ;
		1490
		1491	req->type = EIO_MLOCKALL;
		1492	req->int1 = flags;
		1493
		1494	REQ_SEND;
		1495	}
		1496
		1497	void
997	aio_busy (double delay, SV *callback=&PL_sv_undef)	1498	aio_busy (double delay, SV *callback=&PL_sv_undef)
998	PPCODE:	1499	PPCODE:
999	{	1500	{
1000	dREQ;	1501	dREQ;
1001		1502
…		…
1005	REQ_SEND;	1506	REQ_SEND;
1006	}	1507	}
1007		1508
1008	void	1509	void
1009	aio_group (SV *callback=&PL_sv_undef)	1510	aio_group (SV *callback=&PL_sv_undef)
1010	PROTOTYPE: ;$
1011	PPCODE:	1511	PPCODE:
1012	{	1512	{
1013	dREQ;	1513	dREQ;
1014		1514
1015	req->type = EIO_GROUP;	1515	req->type = EIO_GROUP;
1016		1516
1017	req_submit (req);	1517	req_submit (req);
1018	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1518	XPUSHs (req_sv (req, aio_grp_stash));
1019	}	1519	}
1020		1520
1021	void	1521	void
1022	aio_nop (SV *callback=&PL_sv_undef)	1522	aio_nop (SV *callback=&PL_sv_undef)
1023	ALIAS:	1523	ALIAS:
…		…
1032	REQ_SEND;	1532	REQ_SEND;
1033	}	1533	}
1034		1534
1035	int	1535	int
1036	aioreq_pri (int pri = 0)	1536	aioreq_pri (int pri = 0)
1037	PROTOTYPE: ;$
1038	CODE:	1537	CODE:
1039	RETVAL = next_pri;	1538	RETVAL = next_pri;
1040	if (items > 0)	1539	if (items > 0)
1041	{	1540	{
1042	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1541	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1054	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1553	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1055	next_pri = nice;	1554	next_pri = nice;
1056		1555
1057	void	1556	void
1058	flush ()	1557	flush ()
1059	PROTOTYPE:
1060	CODE:	1558	CODE:
1061	while (eio_nreqs ())	1559	while (eio_nreqs ())
1062	{	1560	{
1063	poll_wait ();	1561	poll_wait ();
1064	poll_cb ();	1562	poll_cb ();
1065	}	1563	}
1066		1564
1067	int	1565	int
1068	poll()	1566	poll ()
1069	PROTOTYPE:
1070	CODE:	1567	CODE:
1071	poll_wait ();	1568	poll_wait ();
1072	RETVAL = poll_cb ();	1569	RETVAL = poll_cb ();
1073	OUTPUT:	1570	OUTPUT:
1074	RETVAL	1571	RETVAL
1075		1572
1076	int	1573	int
1077	poll_fileno()	1574	poll_fileno ()
1078	PROTOTYPE:
1079	CODE:	1575	CODE:
1080	RETVAL = s_epipe_fd (&respipe);	1576	RETVAL = s_epipe_fd (&respipe);
1081	OUTPUT:	1577	OUTPUT:
1082	RETVAL	1578	RETVAL
1083		1579
1084	int	1580	int
1085	poll_cb(...)	1581	poll_cb (...)
1086	PROTOTYPE:	1582	PROTOTYPE:
1087	CODE:	1583	CODE:
1088	RETVAL = poll_cb ();	1584	RETVAL = poll_cb ();
1089	OUTPUT:	1585	OUTPUT:
1090	RETVAL	1586	RETVAL
1091		1587
1092	void	1588	void
1093	poll_wait()	1589	poll_wait ()
1094	PROTOTYPE:
1095	CODE:	1590	CODE:
1096	poll_wait ();	1591	poll_wait ();
1097		1592
1098	int	1593	int
1099	nreqs()	1594	nreqs ()
1100	PROTOTYPE:
1101	CODE:	1595	CODE:
1102	RETVAL = eio_nreqs ();	1596	RETVAL = eio_nreqs ();
1103	OUTPUT:	1597	OUTPUT:
1104	RETVAL	1598	RETVAL
1105		1599
1106	int	1600	int
1107	nready()	1601	nready ()
1108	PROTOTYPE:
1109	CODE:	1602	CODE:
1110	RETVAL = eio_nready ();	1603	RETVAL = eio_nready ();
1111	OUTPUT:	1604	OUTPUT:
1112	RETVAL	1605	RETVAL
1113		1606
1114	int	1607	int
1115	npending()	1608	npending ()
1116	PROTOTYPE:
1117	CODE:	1609	CODE:
1118	RETVAL = eio_npending ();	1610	RETVAL = eio_npending ();
1119	OUTPUT:	1611	OUTPUT:
1120	RETVAL	1612	RETVAL
1121		1613
1122	int	1614	int
1123	nthreads()	1615	nthreads ()
1124	PROTOTYPE:
1125	CODE:	1616	CODE:
1126	RETVAL = eio_nthreads ();	1617	RETVAL = eio_nthreads ();
1127	OUTPUT:	1618	OUTPUT:
1128	RETVAL	1619	RETVAL
1129		1620
1130	int	1621	int
1131	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1622	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1132	PROTOTYPE: $$$$
1133	CODE:	1623	CODE:
1134	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1135	RETVAL = posix_fadvise (fh, offset, length, advice);	1624	RETVAL = posix_fadvise (fh, offset, length, advice);
1136	#else
1137	RETVAL = errno = ENOSYS;
1138	#endif
1139	OUTPUT:	1625	OUTPUT:
1140	RETVAL	1626	RETVAL
1141		1627
1142	ssize_t	1628	IV
1143	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1629	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1144	PROTOTYPE: $$$$
1145	CODE:	1630	CODE:
1146	eio_sendfile_sync (ofh, ifh, offset, count);	1631	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1632	OUTPUT:
		1633	RETVAL
		1634
		1635	void
		1636	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1637	PPCODE:
		1638	sv_unmagic (scalar, MMAP_MAGIC);
		1639	{
		1640	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1641	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1642	if (addr == (void *)-1)
		1643	XSRETURN_NO;
		1644
		1645	sv_force_normal (scalar);
		1646
		1647	/* we store the length in mg_obj, as namlen is I32 :/ */
		1648	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1649	->mg_obj = (SV *)length;
		1650
		1651	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1652
		1653	if (!(prot & PROT_WRITE))
		1654	SvREADONLY_on (scalar);
		1655
		1656	if (SvLEN (scalar))
		1657	Safefree (SvPVX (scalar));
		1658
		1659	SvPVX (scalar) = (char *)addr;
		1660	SvCUR_set (scalar, length);
		1661	SvLEN_set (scalar, 0);
		1662	SvPOK_only (scalar);
		1663
		1664	XSRETURN_YES;
		1665	}
		1666
		1667	void
		1668	munmap (SV *scalar)
		1669	CODE:
		1670	sv_unmagic (scalar, MMAP_MAGIC);
		1671
		1672	int
		1673	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1674	ALIAS:
		1675	mprotect = 1
		1676	CODE:
		1677	{
		1678	STRLEN svlen;
		1679	void *addr = SvPVbyte (scalar, svlen);
		1680	size_t len = SvUV (length);
		1681
		1682	if (offset < 0)
		1683	offset += svlen;
		1684
		1685	if (offset < 0 || offset > svlen)
		1686	croak ("offset outside of scalar");
		1687
		1688	if (!SvOK (length) || len + offset > svlen)
		1689	len = svlen - offset;
		1690
		1691	addr = (void *)(((intptr_t)addr) + offset);
		1692	eio_page_align (&addr, &len);
		1693
		1694	switch (ix)
		1695	{
		1696	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1697	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1698	}
		1699	}
		1700	OUTPUT:
		1701	RETVAL
		1702
		1703	int
		1704	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1705	CODE:
		1706	{
		1707	STRLEN svlen;
		1708	void *addr = SvPVbyte (scalar, svlen);
		1709	size_t len = SvUV (length);
		1710
		1711	if (offset < 0)
		1712	offset += svlen;
		1713
		1714	if (offset < 0 || offset > svlen)
		1715	croak ("offset outside of scalar");
		1716
		1717	if (!SvOK (length) || len + offset > svlen)
		1718	len = svlen - offset;
		1719
		1720	addr = (void *)(((intptr_t)addr) + offset);
		1721	eio_page_align (&addr, &len);
		1722	#if _POSIX_MEMLOCK_RANGE
		1723	RETVAL = munlock (addr, len);
		1724	#else
		1725	RETVAL = ((errno = ENOSYS), -1);
		1726	#endif
		1727	}
		1728	OUTPUT:
		1729	RETVAL
		1730
		1731	int
		1732	munlockall ()
		1733	CODE:
		1734	#if _POSIX_MEMLOCK
		1735	munlockall ();
		1736	#else
		1737	RETVAL = -1;
		1738	errno = ENOSYS;
		1739	#endif
		1740	OUTPUT:
		1741	RETVAL
1147		1742
1148	void _on_next_submit (SV *cb)	1743	void _on_next_submit (SV *cb)
1149	CODE:	1744	CODE:
1150	SvREFCNT_dec (on_next_submit);	1745	SvREFCNT_dec (on_next_submit);
1151	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1746	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1152		1747
1153	PROTOTYPES: DISABLE	1748	PROTOTYPES: DISABLE
		1749
		1750	MODULE = IO::AIO PACKAGE = IO::AIO::WD
		1751
		1752	BOOT:
		1753	{
		1754	newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
		1755	newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
		1756	}
		1757
		1758	void
		1759	DESTROY (SV *self)
		1760	CODE:
		1761	{
		1762	aio_wd wd = SvAIO_WD (self);
		1763	#if HAVE_AT
		1764	SV *callback = &PL_sv_undef;
		1765	dREQ; /* clobbers next_pri :/ */
		1766	req->type = EIO_WD_CLOSE;
		1767	req->wd = wd;
		1768	REQ_SEND;
		1769	#else
		1770	eio_wd_close_sync (wd);
		1771	#endif
		1772	}
1154		1773
1155	MODULE = IO::AIO PACKAGE = IO::AIO::REQ	1774	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1156		1775
1157	void	1776	void
1158	cancel (aio_req_ornot req)	1777	cancel (aio_req_ornot req)

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