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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.150 by root, Wed Jul 1 08:11:24 2009 UTC vs.
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
14	#include <limits.h>	16	#include <limits.h>
15	#include <fcntl.h>	17	#include <fcntl.h>
16	#include <sched.h>	18	#include <sched.h>
17		19
		20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		21	# include <sys/mman.h>
		22	#endif
		23
18	/* perl namespace pollution */	24	/* perl namespace pollution */
19	#undef VERSION	25	#undef VERSION
20
21	#ifdef _WIN32
22
23	# define EIO_STRUCT_DIRENT Direntry_t
24	# undef malloc
25	# undef free
26
27	// perl overrides all those nice win32 functions
28	# undef open
29	# undef read
30	# undef write
31	# undef send
32	# undef recv
33	# undef stat
34	# undef fstat
35	# define lstat stat
36	# undef truncate
37	# undef ftruncate
38	# undef open
39	# undef close
40	# undef unlink
41	# undef rmdir
42	# undef rename
43	# undef lseek
44
45	# define chown(a,b,c) (errno = ENOSYS, -1)
46	# define fchown(a,b,c) (errno = ENOSYS, -1)
47	# define fchmod(a,b) (errno = ENOSYS, -1)
48	# define symlink(a,b) (errno = ENOSYS, -1)
49	# define readlink(a,b,c) (errno = ENOSYS, -1)
50	# define mknod(a,b,c) (errno = ENOSYS, -1)
51	# define truncate(a,b) (errno = ENOSYS, -1)
52	# define ftruncate(fd,o) chsize ((fd), (o))
53	# define fsync(fd) _commit (fd)
54	# define opendir(fd) (errno = ENOSYS, 0)
55	# define readdir(fd) (errno = ENOSYS, -1)
56	# define closedir(fd) (errno = ENOSYS, -1)
57	# define mkdir(a,b) mkdir (a)
58
59	#else
60
61	# include <sys/time.h>
62	# include <sys/select.h>
63	# include <unistd.h>
64	# include <utime.h>
65	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent
67
68	#endif
69		26
70	/* perl stupidly overrides readdir and maybe others */	27	/* perl stupidly overrides readdir and maybe others */
71	/* with thread-unsafe versions, imagine that :( */	28	/* with thread-unsafe versions, imagine that :( */
72	#undef readdir	29	#undef readdir
73	#undef opendir	30	#undef opendir
74	#undef closedir	31	#undef closedir
		32
		33	#ifdef _WIN32
		34
		35	#define EIO_STRUCT_DIRENT Direntry_t
		36	#undef malloc
		37	#undef free
		38
		39	// perl overrides all those nice libc functions
		40	#undef open
		41	#undef read
		42	#undef write
		43	#undef send
		44	#undef recv
		45	#undef stat
		46	#undef lstat
		47	#undef fstat
		48	#undef truncate
		49	#undef ftruncate
		50	#undef open
		51	#undef link
		52	#undef close
		53	#undef unlink
		54	#undef mkdir
		55	#undef rmdir
		56	#undef rename
		57	#undef lseek
		58	#undef opendir
		59	#undef readdir
		60	#undef closedir
		61	#undef chmod
		62	#undef fchmod
		63	#undef dup
		64	#undef dup2
		65	#undef abort
		66	#undef pipe
		67
		68	#else
		69
		70	#include <sys/time.h>
		71	#include <sys/select.h>
		72	#include <unistd.h>
		73	#include <utime.h>
		74	#include <signal.h>
		75
		76	#endif
75		77
76	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
77		79
78	/* use NV for 32 bit perls as it allows larger offsets */	80	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	81	#if IVSIZE >= 8
…		…
97	#define expect_false(expr) expect ((expr) != 0, 0)	99	#define expect_false(expr) expect ((expr) != 0, 0)
98	#define expect_true(expr) expect ((expr) != 0, 1)	100	#define expect_true(expr) expect ((expr) != 0, 1)
99		101
100	/*****************************************************************************/	102	/*****************************************************************************/
101		103
102	static HV *stash;
103	typedef SV SV8; /* byte-sv, used for argument-checking */	104	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	105	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	106	typedef int aio_wfd; /* write file descriptor */
106		107
107	#define AIO_REQ_KLASS "IO::AIO::REQ"	108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
108	#define AIO_GRP_KLASS "IO::AIO::GRP"
109		109
110	#define EIO_REQ_MEMBERS \	110	#define EIO_REQ_MEMBERS \
111	SV *callback; \	111	SV *callback; \
112	SV *sv1, *sv2; \	112	SV *sv1, *sv2; \
113	STRLEN stroffset; \	113	STRLEN stroffset; \
114	SV *self;	114	SV *self;
115		115
116	#define EIO_NO_WRAPPERS 1	116	#define EIO_NO_WRAPPERS 1
117		117
		118	#include "libeio/config.h"
118	#include "libeio/eio.h"	119	#include "libeio/eio.h"
119
120	#ifndef POSIX_FADV_NORMAL
121	# define POSIX_FADV_NORMAL 0
122	# define NO_FADVISE 1
123	#endif
124
125	#ifndef POSIX_FADV_SEQUENTIAL
126	# define POSIX_FADV_SEQUENTIAL 0
127	#endif
128
129	#ifndef POSIX_FADV_RANDOM
130	# define POSIX_FADV_RANDOM 0
131	#endif
132
133	#ifndef POSIX_FADV_NOREUSE
134	# define POSIX_FADV_NOREUSE 0
135	#endif
136
137	#ifndef POSIX_FADV_WILLNEED
138	# define POSIX_FADV_WILLNEED 0
139	#endif
140
141	#ifndef POSIX_FADV_DONTNEED
142	# define POSIX_FADV_DONTNEED 0
143	#endif
144		120
145	static int req_invoke (eio_req *req);	121	static int req_invoke (eio_req *req);
146	#define EIO_FINISH(req) req_invoke (req)	122	#define EIO_FINISH(req) req_invoke (req)
147	static void req_destroy (eio_req *grp);	123	static void req_destroy (eio_req *grp);
148	#define EIO_DESTROY(req) req_destroy (req)	124	#define EIO_DESTROY(req) req_destroy (req)
149		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
150	enum {	329	enum {
151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	330	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152	};	331	};
153		332
154	#include "libeio/eio.c"
155
156	typedef eio_req *aio_req;	333	typedef eio_req *aio_req;
157	typedef eio_req *aio_req_ornot;	334	typedef eio_req *aio_req_ornot;
158		335
159	static SV *on_next_submit;	336	static SV *on_next_submit;
160	static int next_pri = EIO_PRI_DEFAULT;	337	static int next_pri = EIO_PRI_DEFAULT;
161	static int max_outstanding;	338	static int max_outstanding;
162		339
163	static int respipe_osf [2], respipe [2] = { -1, -1 };	340	static s_epipe respipe;
164		341
165	static void req_destroy (aio_req req);	342	static void req_destroy (aio_req req);
166	static void req_cancel (aio_req req);	343	static void req_cancel (aio_req req);
167		344
168	static void want_poll (void)	345	static void want_poll (void)
169	{	346	{
170	/* write a dummy byte to the pipe so fh becomes ready */	347	/* write a dummy byte to the pipe so fh becomes ready */
171	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	348	s_epipe_signal (&respipe);
172	}	349	}
173		350
174	static void done_poll (void)	351	static void done_poll (void)
175	{	352	{
176	/* read any signals sent by the worker threads */	353	/* read any signals sent by the worker threads */
177	char buf [4];	354	s_epipe_drain (&respipe);
178	while (respipe_read (respipe [0], buf, 4) == 4)
179	;
180	}	355	}
181		356
182	/* must be called at most once */	357	/* must be called at most once */
183	static SV *req_sv (aio_req req, const char *klass)	358	static SV *req_sv (aio_req req, HV *stash)
184	{	359	{
185	if (!req->self)	360	if (!req->self)
186	{	361	{
187	req->self = (SV *)newHV ();	362	req->self = (SV *)newHV ();
188	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	363	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189	}	364	}
190		365
191	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	366	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192	}	367	}
193		368
194	static aio_req SvAIO_REQ (SV *sv)	369	static aio_req SvAIO_REQ (SV *sv)
195	{	370	{
196	MAGIC *mg;	371	MAGIC *mg;
197		372
198	if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))	373	if (!SvROK (sv)
		374	|| (SvSTASH (SvRV (sv)) != aio_grp_stash
		375	&& SvSTASH (SvRV (sv)) != aio_req_stash
		376	&& !sv_derived_from (sv, "IO::AIO::REQ")))
199	croak ("object of class " AIO_REQ_KLASS " expected");	377	croak ("object of class IO::AIO::REQ expected");
200		378
201	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	379	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202		380
203	return mg ? (aio_req)mg->mg_ptr : 0;	381	return mg ? (aio_req)mg->mg_ptr : 0;
204	}	382	}
…		…
210	dSP;	388	dSP;
211		389
212	ENTER;	390	ENTER;
213	SAVETMPS;	391	SAVETMPS;
214	PUSHMARK (SP);	392	PUSHMARK (SP);
215	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	393	XPUSHs (req_sv (grp, aio_grp_stash));
216	PUTBACK;	394	PUTBACK;
217	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);	395	call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218	SPAGAIN;	396	SPAGAIN;
219	FREETMPS;	397	FREETMPS;
220	LEAVE;	398	LEAVE;
…		…
238	}	416	}
239	}	417	}
240		418
241	static int req_invoke (eio_req *req)	419	static int req_invoke (eio_req *req)
242	{	420	{
243	dSP;
244
245	if (req->flags & FLAG_SV2_RO_OFF)	421	if (req->flags & FLAG_SV2_RO_OFF)
246	SvREADONLY_off (req->sv2);	422	SvREADONLY_off (req->sv2);
247		423
248	if (!EIO_CANCELLED (req) && req->callback)	424	if (!EIO_CANCELLED (req) && req->callback)
249	{	425	{
		426	dSP;
		427	static SV *sv_result_cache; /* caches the result integer SV */
		428	SV *sv_result;
		429
250	ENTER;	430	ENTER;
251	SAVETMPS;	431	SAVETMPS;
252	PUSHMARK (SP);	432	PUSHMARK (SP);
253	EXTEND (SP, 1);	433	EXTEND (SP, 1);
		434
		435	/* do not recreate the result IV from scratch each time */
		436	if (expect_true (sv_result_cache))
		437	{
		438	sv_result = sv_result_cache; sv_result_cache = 0;
		439	SvIV_set (sv_result, req->result);
		440	SvIOK_only (sv_result);
		441	}
		442	else
		443	{
		444	sv_result = newSViv (req->result);
		445	SvREADONLY_on (sv_result);
		446	}
254		447
255	switch (req->type)	448	switch (req->type)
256	{	449	{
257	case EIO_READDIR:	450	case EIO_READDIR:
258	{	451	{
…		…
326	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);	519	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327	char sym [64];	520	char sym [64];
328	int symlen;	521	int symlen;
329		522
330	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	523	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331	gv_init (gv, stash, sym, symlen, 0);	524	gv_init (gv, aio_stash, sym, symlen, 0);
332		525
333	symlen = snprintf (	526	symlen = snprintf (
334	sym,	527	sym,
335	sizeof (sym),	528	sizeof (sym),
336	"%s&=%d",	529	"%s&=%d",
…		…
344		537
345	PUSHs (fh);	538	PUSHs (fh);
346	}	539	}
347	break;	540	break;
348		541
		542	case EIO_STATVFS:
		543	case EIO_FSTATVFS:
		544	{
		545	SV *rv = &PL_sv_undef;
		546
		547	#ifndef _WIN32
		548	if (req->result >= 0)
		549	{
		550	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		551	HV *hv = newHV ();
		552
		553	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		554
		555	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		556	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		557	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		558	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		559	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		560	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		561	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		562	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		563	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		564	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		565	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		566	}
		567	#endif
		568
		569	PUSHs (rv);
		570	}
		571
		572	break;
		573
349	case EIO_GROUP:	574	case EIO_GROUP:
350	req->int1 = 2; /* mark group as finished */	575	req->int1 = 2; /* mark group as finished */
351		576
352	if (req->sv1)	577	if (req->sv1)
353	{	578	{
…		…
363	case EIO_NOP:	588	case EIO_NOP:
364	case EIO_BUSY:	589	case EIO_BUSY:
365	break;	590	break;
366		591
367	case EIO_READLINK:	592	case EIO_READLINK:
		593	case EIO_REALPATH:
368	if (req->result > 0)	594	if (req->result > 0)
369	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	595	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370	break;	596	break;
371		597
372	case EIO_STAT:	598	case EIO_STAT:
373	case EIO_LSTAT:	599	case EIO_LSTAT:
374	case EIO_FSTAT:	600	case EIO_FSTAT:
375	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	601	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
376	PL_laststatval = req->result;	602	PL_laststatval = req->result;
		603	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
377	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);	604	PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378	PUSHs (sv_2mortal (newSViv (req->result)));	605	PUSHs (sv_result);
379	break;	606	break;
380		607
381	case EIO_READ:	608	case EIO_READ:
382	{	609	{
383	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	610	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
384	*SvEND (req->sv2) = 0;	611	*SvEND (req->sv2) = 0;
385	SvPOK_only (req->sv2);	612	SvPOK_only (req->sv2);
386	SvSETMAGIC (req->sv2);	613	SvSETMAGIC (req->sv2);
387	PUSHs (sv_2mortal (newSViv (req->result)));	614	PUSHs (sv_result);
388	}	615	}
389	break;	616	break;
390		617
391	case EIO_DUP2:	618	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
392	if (req->result > 0)	619	if (req->result > 0)
393	req->result = 0;	620	SvIV_set (sv_result, 0);
394	/* FALLTHROUGH */	621	/* FALLTHROUGH */
395		622
396	default:	623	default:
397	PUSHs (sv_2mortal (newSViv (req->result)));	624	PUSHs (sv_result);
398	break;	625	break;
399	}	626	}
400		627
401	errno = req->errorno;	628	errno = req->errorno;
402		629
403	PUTBACK;	630	PUTBACK;
404	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);	631	call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405	SPAGAIN;	632	SPAGAIN;
		633
		634	if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
		635	SvREFCNT_dec (sv_result);
		636	else
		637	sv_result_cache = sv_result;
406		638
407	FREETMPS;	639	FREETMPS;
408	LEAVE;	640	LEAVE;
409		641
410	PUTBACK;	642	PUTBACK;
…		…
428	Safefree (req);	660	Safefree (req);
429	}	661	}
430		662
431	static void req_cancel_subs (aio_req grp)	663	static void req_cancel_subs (aio_req grp)
432	{	664	{
433	aio_req sub;
434
435	if (grp->type != EIO_GROUP)	665	if (grp->type != EIO_GROUP)
436	return;	666	return;
437		667
438	SvREFCNT_dec (grp->sv2);	668	SvREFCNT_dec (grp->sv2);
439	grp->sv2 = 0;	669	grp->sv2 = 0;
440		670
441	eio_grp_cancel (grp);	671	eio_grp_cancel (grp);
442	}	672	}
443		673
444	#ifdef USE_SOCKETS_AS_HANDLES
445	# define TO_SOCKET(x) (win32_get_osfhandle (x))
446	#else
447	# define TO_SOCKET(x) (x)
448	#endif
449
450	static void
451	create_respipe (void)	674	static void create_respipe (void)
452	{	675	{
453	int old_readfd = respipe [0];
454
455	if (respipe [1] >= 0)
456	respipe_close (TO_SOCKET (respipe [1]));
457
458	#ifdef _WIN32
459	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460	#else
461	if (pipe (respipe))	676	if (s_epipe_renew (&respipe))
462	#endif
463	croak ("unable to initialize result pipe");	677	croak ("IO::AIO: unable to initialize result pipe");
464
465	if (old_readfd >= 0)
466	{
467	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468	croak ("unable to initialize result pipe(2)");
469
470	respipe_close (respipe [0]);
471	respipe [0] = old_readfd;
472	}
473
474	#ifdef _WIN32
475	int arg = 1;
476	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478	#else
479	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481	#endif
482	croak ("unable to initialize result pipe(3)");
483
484	respipe_osf [0] = TO_SOCKET (respipe [0]);
485	respipe_osf [1] = TO_SOCKET (respipe [1]);
486	}	678	}
487		679
488	static void poll_wait (void)	680	static void poll_wait (void)
489	{	681	{
490	fd_set rfd;
491
492	while (eio_nreqs ())	682	while (eio_nreqs ())
493	{	683	{
494	int size;	684	int size;
495		685
496	X_LOCK (reslock);	686	X_LOCK (reslock);
…		…
500	if (size)	690	if (size)
501	return;	691	return;
502		692
503	etp_maybe_start_thread ();	693	etp_maybe_start_thread ();
504		694
505	FD_ZERO (&rfd);	695	s_epipe_wait (&respipe);
506	FD_SET (respipe [0], &rfd);
507
508	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509	}	696	}
510	}	697	}
511		698
512	static int poll_cb (void)	699	static int poll_cb (void)
513	{	700	{
…		…
528	static void atfork_child (void)	715	static void atfork_child (void)
529	{	716	{
530	create_respipe ();	717	create_respipe ();
531	}	718	}
532		719
533	static SV *	720	/*****************************************************************************/
534	get_cb (SV *cb_sv)
535	{
536	HV *st;
537	GV *gvp;
538	CV *cv;
539		721
540	if (!SvOK (cb_sv))	722	#if !_POSIX_MAPPED_FILES
		723	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		724	# define munmap(addr,length) (errno = ENOSYS, -1)
		725	#endif
		726
		727	#if !_POSIX_MEMORY_PROTECTION
		728	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		729	# define PROT_NONE 0
		730	# define PROT_WRITE 0
		731	# define MAP_PRIVATE 0
		732	# define MAP_SHARED 0
		733	# define MAP_FIXED 0
		734	#endif
		735
		736	#define MMAP_MAGIC PERL_MAGIC_ext
		737
		738	static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
		739	{
		740	int old_errno = errno;
		741	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		742	errno = old_errno;
		743
		744	mg->mg_obj = 0; /* just in case */
		745
		746	SvREADONLY_off (sv);
		747
		748	if (SvPVX (sv) != mg->mg_ptr)
		749	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		750
		751	SvCUR_set (sv, 0);
		752	SvPVX (sv) = 0;
		753	SvOK_off (sv);
		754
541	return 0;	755	return 0;
		756	}
542		757
543	cv = sv_2cv (cb_sv, &st, &gvp, 0);	758	static MGVTBL mmap_vtbl = {
		759	0, 0, 0, 0, mmap_free
		760	};
544		761
545	if (!cv)	762	/*****************************************************************************/
546	croak ("IO::AIO callback must be undef or a CODE reference");
547		763
548	return (SV *)cv;	764	static SV * get_cb (SV *cb_sv)
		765	{
		766	SvGETMAGIC (cb_sv);
		767	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
549	}	768	}
550		769
551	#define dREQ \	770	#define dREQ \
552	SV *cb_cv; \	771	SV *cb_cv; \
553	aio_req req; \	772	aio_req req; \
…		…
567	PUTBACK; \	786	PUTBACK; \
568	req_submit (req); \	787	req_submit (req); \
569	SPAGAIN; \	788	SPAGAIN; \
570	\	789	\
571	if (GIMME_V != G_VOID) \	790	if (GIMME_V != G_VOID) \
572	XPUSHs (req_sv (req, AIO_REQ_KLASS));	791	XPUSHs (req_sv (req, aio_req_stash));
573
574	static int
575	extract_fd (SV *fh, int wr)
576	{
577	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
578
579	if (fd < 0)
580	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
581
582	return fd;
583	}
584		792
585	MODULE = IO::AIO PACKAGE = IO::AIO	793	MODULE = IO::AIO PACKAGE = IO::AIO
586		794
587	PROTOTYPES: ENABLE	795	PROTOTYPES: ENABLE
588		796
…		…
590	{	798	{
591	static const struct {	799	static const struct {
592	const char *name;	800	const char *name;
593	IV iv;	801	IV iv;
594	} *civ, const_iv[] = {	802	} *civ, const_iv[] = {
595	# define const_iv(name, value) { # name, (IV) value },	803	# define const_niv(name, value) { # name, (IV) value },
		804	# define const_iv(name) { # name, (IV) name },
596	# define const_eio(name) { # name, (IV) EIO_ ## name },	805	# define const_eio(name) { # name, (IV) EIO_ ## name },
597	const_iv (EXDEV , EXDEV)	806	const_iv (EXDEV)
598	const_iv (ENOSYS , ENOSYS)	807	const_iv (ENOSYS)
599	const_iv (O_RDONLY, O_RDONLY)	808	const_iv (O_RDONLY)
600	const_iv (O_WRONLY, O_WRONLY)	809	const_iv (O_WRONLY)
		810	const_iv (O_RDWR)
601	const_iv (O_CREAT , O_CREAT)	811	const_iv (O_CREAT)
602	const_iv (O_TRUNC , O_TRUNC)	812	const_iv (O_TRUNC)
603	#ifndef _WIN32	813	const_iv (O_EXCL)
		814	const_iv (O_APPEND)
		815
		816	const_iv (O_ASYNC)
		817	const_iv (O_DIRECT)
		818	const_iv (O_NOATIME)
		819
		820	const_iv (O_CLOEXEC)
		821	const_iv (O_NOCTTY)
		822	const_iv (O_NOFOLLOW)
		823	const_iv (O_NONBLOCK)
		824	const_iv (O_EXEC)
		825	const_iv (O_SEARCH)
		826	const_iv (O_DIRECTORY)
		827	const_iv (O_DSYNC)
		828	const_iv (O_RSYNC)
		829	const_iv (O_SYNC)
		830	const_iv (O_TTY_INIT)
		831
604	const_iv (S_IFIFO , S_IFIFO)	832	const_iv (S_IFIFO)
605	#endif	833	const_iv (S_IFCHR)
		834	const_iv (S_IFBLK)
		835	const_iv (S_IFLNK)
		836	const_iv (S_IFREG)
		837	const_iv (S_IFDIR)
		838	const_iv (S_IFWHT)
		839	const_iv (S_IFSOCK)
		840	const_iv (S_IFMT)
		841
606	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	842	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	843	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	844	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	845	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	846	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	847	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		848
		849	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		850	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		851	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		852	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		853	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		854
		855	const_iv (ST_RDONLY)
		856	const_iv (ST_NOSUID)
		857	const_iv (ST_NODEV)
		858	const_iv (ST_NOEXEC)
		859	const_iv (ST_SYNCHRONOUS)
		860	const_iv (ST_MANDLOCK)
		861	const_iv (ST_WRITE)
		862	const_iv (ST_APPEND)
		863	const_iv (ST_IMMUTABLE)
		864	const_iv (ST_NOATIME)
		865	const_iv (ST_NODIRATIME)
		866	const_iv (ST_RELATIME)
		867
		868	const_iv (PROT_NONE)
		869	const_iv (PROT_EXEC)
		870	const_iv (PROT_READ)
		871	const_iv (PROT_WRITE)
		872
		873	/*const_iv (MAP_FIXED)*/
		874	const_iv (MAP_PRIVATE)
		875	const_iv (MAP_SHARED)
		876	const_iv (MAP_ANONYMOUS)
		877
		878	/* linuxish */
		879	const_iv (MAP_HUGETLB)
		880	const_iv (MAP_LOCKED)
		881	const_iv (MAP_NORESERVE)
		882	const_iv (MAP_POPULATE)
		883	const_iv (MAP_NONBLOCK)
		884
		885	const_eio (MCL_FUTURE)
		886	const_eio (MCL_CURRENT)
		887
		888	const_eio (MS_ASYNC)
		889	const_eio (MS_INVALIDATE)
		890	const_eio (MS_SYNC)
		891
		892	const_eio (MT_MODIFY)
612		893
613	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	894	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614	const_eio (SYNC_FILE_RANGE_WRITE)	895	const_eio (SYNC_FILE_RANGE_WRITE)
615	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	896	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		897
		898	const_eio (FALLOC_FL_KEEP_SIZE)
616		899
617	const_eio (READDIR_DENTS)	900	const_eio (READDIR_DENTS)
618	const_eio (READDIR_DIRS_FIRST)	901	const_eio (READDIR_DIRS_FIRST)
619	const_eio (READDIR_STAT_ORDER)	902	const_eio (READDIR_STAT_ORDER)
620	const_eio (READDIR_FOUND_UNKNOWN)	903	const_eio (READDIR_FOUND_UNKNOWN)
…		…
628	const_eio (DT_LNK)	911	const_eio (DT_LNK)
629	const_eio (DT_SOCK)	912	const_eio (DT_SOCK)
630	const_eio (DT_WHT)	913	const_eio (DT_WHT)
631	};	914	};
632		915
633	stash = gv_stashpv ("IO::AIO", 1);	916	aio_stash = gv_stashpv ("IO::AIO" , 1);
		917	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		918	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
634		919
635	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	920	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
636	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	921	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		922
		923	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
637		924
638	create_respipe ();	925	create_respipe ();
639		926
640	if (eio_init (want_poll, done_poll) < 0)	927	if (eio_init (want_poll, done_poll) < 0)
641	croak ("IO::AIO: unable to initialise eio library");	928	croak ("IO::AIO: unable to initialise eio library");
…		…
643	/* atfork child called in fifo order, so before eio's handler */	930	/* atfork child called in fifo order, so before eio's handler */
644	X_THREAD_ATFORK (0, 0, atfork_child);	931	X_THREAD_ATFORK (0, 0, atfork_child);
645	}	932	}
646		933
647	void	934	void
648	max_poll_reqs (int nreqs)	935	max_poll_reqs (unsigned int nreqs)
649	PROTOTYPE: $	936	PROTOTYPE: $
650	CODE:	937	CODE:
651	eio_set_max_poll_reqs (nreqs);	938	eio_set_max_poll_reqs (nreqs);
652		939
653	void	940	void
…		…
655	PROTOTYPE: $	942	PROTOTYPE: $
656	CODE:	943	CODE:
657	eio_set_max_poll_time (nseconds);	944	eio_set_max_poll_time (nseconds);
658		945
659	void	946	void
660	min_parallel (int nthreads)	947	min_parallel (unsigned int nthreads)
661	PROTOTYPE: $	948	PROTOTYPE: $
662	CODE:	949	CODE:
663	eio_set_min_parallel (nthreads);	950	eio_set_min_parallel (nthreads);
664		951
665	void	952	void
666	max_parallel (int nthreads)	953	max_parallel (unsigned int nthreads)
667	PROTOTYPE: $	954	PROTOTYPE: $
668	CODE:	955	CODE:
669	eio_set_max_parallel (nthreads);	956	eio_set_max_parallel (nthreads);
670		957
671	void	958	void
672	max_idle (int nthreads)	959	max_idle (unsigned int nthreads)
673	PROTOTYPE: $	960	PROTOTYPE: $
674	CODE:	961	CODE:
675	eio_set_max_idle (nthreads);	962	eio_set_max_idle (nthreads);
676		963
677	void	964	void
		965	idle_timeout (unsigned int seconds)
		966	PROTOTYPE: $
		967	CODE:
		968	eio_set_idle_timeout (seconds);
		969
		970	void
678	max_outstanding (int maxreqs)	971	max_outstanding (unsigned int maxreqs)
679	PROTOTYPE: $	972	PROTOTYPE: $
680	CODE:	973	CODE:
681	max_outstanding = maxreqs;	974	max_outstanding = maxreqs;
682		975
683	void	976	void
684	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	977	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
685	PROTOTYPE: $$$;$
686	PPCODE:	978	PPCODE:
687	{	979	{
688	dREQ;	980	dREQ;
689		981
690	req->type = EIO_OPEN;	982	req->type = EIO_OPEN;
…		…
696	REQ_SEND;	988	REQ_SEND;
697	}	989	}
698		990
699	void	991	void
700	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	992	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
701	PROTOTYPE: $;$
702	ALIAS:	993	ALIAS:
703	aio_fsync = EIO_FSYNC	994	aio_fsync = EIO_FSYNC
704	aio_fdatasync = EIO_FDATASYNC	995	aio_fdatasync = EIO_FDATASYNC
705	PPCODE:	996	PPCODE:
706	{	997	{
707	int fd = extract_fd (fh, 0);	998	int fd = s_fileno_croak (fh, 0);
708	dREQ;	999	dREQ;
709		1000
710	req->type = ix;	1001	req->type = ix;
711	req->sv1 = newSVsv (fh);	1002	req->sv1 = newSVsv (fh);
712	req->int1 = fd;	1003	req->int1 = fd;
…		…
714	REQ_SEND (req);	1005	REQ_SEND (req);
715	}	1006	}
716		1007
717	void	1008	void
718	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1009	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
719	PROTOTYPE: $$$$;$
720	PPCODE:	1010	PPCODE:
721	{	1011	{
722	int fd = extract_fd (fh, 0);	1012	int fd = s_fileno_croak (fh, 0);
723	dREQ;	1013	dREQ;
724		1014
725	req->type = EIO_SYNC_FILE_RANGE;	1015	req->type = EIO_SYNC_FILE_RANGE;
726	req->sv1 = newSVsv (fh);	1016	req->sv1 = newSVsv (fh);
727	req->int1 = fd;	1017	req->int1 = fd;
…		…
731		1021
732	REQ_SEND (req);	1022	REQ_SEND (req);
733	}	1023	}
734		1024
735	void	1025	void
		1026	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
		1027	PPCODE:
		1028	{
		1029	int fd = s_fileno_croak (fh, 0);
		1030	dREQ;
		1031
		1032	req->type = EIO_FALLOCATE;
		1033	req->sv1 = newSVsv (fh);
		1034	req->int1 = fd;
		1035	req->int2 = mode;
		1036	req->offs = offset;
		1037	req->size = len;
		1038
		1039	REQ_SEND (req);
		1040	}
		1041
		1042	void
736	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1043	aio_close (SV *fh, SV *callback=&PL_sv_undef)
737	PROTOTYPE: $;$
738	PPCODE:	1044	PPCODE:
739	{	1045	{
740	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1046	static int close_fd = -1; /* dummy fd to close fds via dup2 */
741	int fd = extract_fd (fh, 0);	1047	int fd = s_fileno_croak (fh, 0);
742	dREQ;	1048	dREQ;
743		1049
744	if (close_pipe < 0)	1050	if (expect_false (close_fd < 0))
745	{	1051	{
746	int pipefd [2];	1052	int pipefd [2];
747		1053
		1054	if (
		1055	#ifdef _WIN32
		1056	_pipe (pipefd, 1, _O_BINARY) < 0
		1057	#else
748	if (pipe (pipefd) < 0	1058	pipe (pipefd) < 0
749	|| close (pipefd [1]) < 0
750	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1059	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1060	#endif
		1061	|| close (pipefd [1]) < 0
		1062	)
751	abort (); /*D*/	1063	abort (); /*D*/
752		1064
753	close_pipe = pipefd [0];	1065	close_fd = pipefd [0];
754	}	1066	}
755		1067
756	req->type = EIO_DUP2;	1068	req->type = EIO_DUP2;
757	req->int1 = close_pipe;	1069	req->int1 = close_fd;
758	req->sv2 = newSVsv (fh);	1070	req->sv2 = newSVsv (fh);
759	req->int2 = fd;	1071	req->int2 = fd;
760		1072
761	REQ_SEND (req);	1073	REQ_SEND (req);
762	}	1074	}
…		…
764	void	1076	void
765	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1077	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
766	ALIAS:	1078	ALIAS:
767	aio_read = EIO_READ	1079	aio_read = EIO_READ
768	aio_write = EIO_WRITE	1080	aio_write = EIO_WRITE
769	PROTOTYPE: $$$$$;$
770	PPCODE:	1081	PPCODE:
771	{	1082	{
772	STRLEN svlen;	1083	STRLEN svlen;
773	int fd = extract_fd (fh, ix == EIO_WRITE);	1084	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774	char *svptr = SvPVbyte (data, svlen);	1085	char *svptr = SvPVbyte (data, svlen);
775	UV len = SvUV (length);	1086	UV len = SvUV (length);
776		1087
777	if (dataoffset < 0)	1088	if (dataoffset < 0)
778	dataoffset += svlen;	1089	dataoffset += svlen;
…		…
815	}	1126	}
816	}	1127	}
817		1128
818	void	1129	void
819	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)	1130	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
820	PROTOTYPE: $$;$	1131	ALIAS:
		1132	aio_readlink = EIO_READLINK
		1133	aio_realpath = EIO_REALPATH
821	PPCODE:	1134	PPCODE:
822	{	1135	{
823	SV *data;
824	dREQ;	1136	dREQ;
825		1137
826	req->type = EIO_READLINK;	1138	req->type = ix;
827	req->sv1 = newSVsv (path);	1139	req->sv1 = newSVsv (path);
828	req->ptr1 = SvPVbyte_nolen (req->sv1);	1140	req->ptr1 = SvPVbyte_nolen (req->sv1);
829		1141
830	REQ_SEND;	1142	REQ_SEND;
831	}	1143	}
832		1144
833	void	1145	void
834	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1146	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
835	PROTOTYPE: $$$$;$
836	PPCODE:	1147	PPCODE:
837	{	1148	{
838	int ifd = extract_fd (in_fh , 0);	1149	int ifd = s_fileno_croak (in_fh , 0);
839	int ofd = extract_fd (out_fh, 0);	1150	int ofd = s_fileno_croak (out_fh, 1);
840	dREQ;	1151	dREQ;
841		1152
842	req->type = EIO_SENDFILE;	1153	req->type = EIO_SENDFILE;
843	req->sv1 = newSVsv (out_fh);	1154	req->sv1 = newSVsv (out_fh);
844	req->int1 = ofd;	1155	req->int1 = ofd;
…		…
850	REQ_SEND;	1161	REQ_SEND;
851	}	1162	}
852		1163
853	void	1164	void
854	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1165	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
855	PROTOTYPE: $$$;$
856	PPCODE:	1166	PPCODE:
857	{	1167	{
858	int fd = extract_fd (fh, 0);	1168	int fd = s_fileno_croak (fh, 0);
859	dREQ;	1169	dREQ;
860		1170
861	req->type = EIO_READAHEAD;	1171	req->type = EIO_READAHEAD;
862	req->sv1 = newSVsv (fh);	1172	req->sv1 = newSVsv (fh);
863	req->int1 = fd;	1173	req->int1 = fd;
…		…
868	}	1178	}
869		1179
870	void	1180	void
871	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1181	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
872	ALIAS:	1182	ALIAS:
873	aio_stat = EIO_STAT	1183	aio_stat = EIO_STAT
874	aio_lstat = EIO_LSTAT	1184	aio_lstat = EIO_LSTAT
		1185	aio_statvfs = EIO_STATVFS
875	PPCODE:	1186	PPCODE:
876	{	1187	{
877	dREQ;	1188	dREQ;
878		1189
879	req->sv1 = newSVsv (fh_or_path);	1190	req->sv1 = newSVsv (fh_or_path);
…		…
883	req->type = ix;	1194	req->type = ix;
884	req->ptr1 = SvPVbyte_nolen (req->sv1);	1195	req->ptr1 = SvPVbyte_nolen (req->sv1);
885	}	1196	}
886	else	1197	else
887	{	1198	{
888	req->type = EIO_FSTAT;	1199	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
889	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1200	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890	}	1201	}
891		1202
892	REQ_SEND;	1203	REQ_SEND;
893	}	1204	}
		1205
		1206	UV
		1207	major (UV dev)
		1208	ALIAS:
		1209	minor = 1
		1210	CODE:
		1211	RETVAL = ix ? major (dev) : minor (dev);
		1212	OUTPUT:
		1213	RETVAL
		1214
		1215	UV
		1216	makedev (UV maj, UV min)
		1217	CODE:
		1218	RETVAL = makedev (maj, min);
		1219	OUTPUT:
		1220	RETVAL
894		1221
895	void	1222	void
896	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1223	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
897	PPCODE:	1224	PPCODE:
898	{	1225	{
…		…
1056		1383
1057	REQ_SEND;	1384	REQ_SEND;
1058	}	1385	}
1059		1386
1060	void	1387	void
		1388	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1389	ALIAS:
		1390	aio_mtouch = EIO_MTOUCH
		1391	aio_msync = EIO_MSYNC
		1392	PPCODE:
		1393	{
		1394	STRLEN svlen;
		1395	char *svptr = SvPVbyte (data, svlen);
		1396	UV len = SvUV (length);
		1397
		1398	if (offset < 0)
		1399	offset += svlen;
		1400
		1401	if (offset < 0 || offset > svlen)
		1402	croak ("offset outside of scalar");
		1403
		1404	if (!SvOK (length) || len + offset > svlen)
		1405	len = svlen - offset;
		1406
		1407	{
		1408	dREQ;
		1409
		1410	req->type = ix;
		1411	req->sv2 = SvREFCNT_inc (data);
		1412	req->ptr2 = (char *)svptr + offset;
		1413	req->size = len;
		1414	req->int1 = flags;
		1415
		1416	REQ_SEND;
		1417	}
		1418	}
		1419
		1420	void
		1421	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1422	PPCODE:
		1423	{
		1424	STRLEN svlen;
		1425	char *svptr = SvPVbyte (data, svlen);
		1426	UV len = SvUV (length);
		1427
		1428	if (offset < 0)
		1429	offset += svlen;
		1430
		1431	if (offset < 0 || offset > svlen)
		1432	croak ("offset outside of scalar");
		1433
		1434	if (!SvOK (length) || len + offset > svlen)
		1435	len = svlen - offset;
		1436
		1437	{
		1438	dREQ;
		1439
		1440	req->type = EIO_MLOCK;
		1441	req->sv2 = SvREFCNT_inc (data);
		1442	req->ptr2 = (char *)svptr + offset;
		1443	req->size = len;
		1444
		1445	REQ_SEND;
		1446	}
		1447	}
		1448
		1449	void
		1450	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1451	PPCODE:
		1452	{
		1453	dREQ;
		1454
		1455	req->type = EIO_MLOCKALL;
		1456	req->int1 = flags;
		1457
		1458	REQ_SEND;
		1459	}
		1460
		1461	void
1061	aio_busy (double delay, SV *callback=&PL_sv_undef)	1462	aio_busy (double delay, SV *callback=&PL_sv_undef)
1062	PPCODE:	1463	PPCODE:
1063	{	1464	{
1064	dREQ;	1465	dREQ;
1065		1466
…		…
1069	REQ_SEND;	1470	REQ_SEND;
1070	}	1471	}
1071		1472
1072	void	1473	void
1073	aio_group (SV *callback=&PL_sv_undef)	1474	aio_group (SV *callback=&PL_sv_undef)
1074	PROTOTYPE: ;$
1075	PPCODE:	1475	PPCODE:
1076	{	1476	{
1077	dREQ;	1477	dREQ;
1078		1478
1079	req->type = EIO_GROUP;	1479	req->type = EIO_GROUP;
1080		1480
1081	req_submit (req);	1481	req_submit (req);
1082	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1482	XPUSHs (req_sv (req, aio_grp_stash));
1083	}	1483	}
1084		1484
1085	void	1485	void
1086	aio_nop (SV *callback=&PL_sv_undef)	1486	aio_nop (SV *callback=&PL_sv_undef)
1087	ALIAS:	1487	ALIAS:
…		…
1096	REQ_SEND;	1496	REQ_SEND;
1097	}	1497	}
1098		1498
1099	int	1499	int
1100	aioreq_pri (int pri = 0)	1500	aioreq_pri (int pri = 0)
1101	PROTOTYPE: ;$
1102	CODE:	1501	CODE:
1103	RETVAL = next_pri;	1502	RETVAL = next_pri;
1104	if (items > 0)	1503	if (items > 0)
1105	{	1504	{
1106	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1505	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1118	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1517	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1119	next_pri = nice;	1518	next_pri = nice;
1120		1519
1121	void	1520	void
1122	flush ()	1521	flush ()
1123	PROTOTYPE:
1124	CODE:	1522	CODE:
1125	while (eio_nreqs ())	1523	while (eio_nreqs ())
1126	{	1524	{
1127	poll_wait ();	1525	poll_wait ();
1128	poll_cb ();	1526	poll_cb ();
1129	}	1527	}
1130		1528
1131	int	1529	int
1132	poll()	1530	poll ()
1133	PROTOTYPE:
1134	CODE:	1531	CODE:
1135	poll_wait ();	1532	poll_wait ();
1136	RETVAL = poll_cb ();	1533	RETVAL = poll_cb ();
1137	OUTPUT:	1534	OUTPUT:
1138	RETVAL	1535	RETVAL
1139		1536
1140	int	1537	int
1141	poll_fileno()	1538	poll_fileno ()
1142	PROTOTYPE:
1143	CODE:	1539	CODE:
1144	RETVAL = respipe [0];	1540	RETVAL = s_epipe_fd (&respipe);
1145	OUTPUT:	1541	OUTPUT:
1146	RETVAL	1542	RETVAL
1147		1543
1148	int	1544	int
1149	poll_cb(...)	1545	poll_cb (...)
1150	PROTOTYPE:	1546	PROTOTYPE:
1151	CODE:	1547	CODE:
1152	RETVAL = poll_cb ();	1548	RETVAL = poll_cb ();
1153	OUTPUT:	1549	OUTPUT:
1154	RETVAL	1550	RETVAL
1155		1551
1156	void	1552	void
1157	poll_wait()	1553	poll_wait ()
1158	PROTOTYPE:
1159	CODE:	1554	CODE:
1160	poll_wait ();	1555	poll_wait ();
1161		1556
1162	int	1557	int
1163	nreqs()	1558	nreqs ()
1164	PROTOTYPE:
1165	CODE:	1559	CODE:
1166	RETVAL = eio_nreqs ();	1560	RETVAL = eio_nreqs ();
1167	OUTPUT:	1561	OUTPUT:
1168	RETVAL	1562	RETVAL
1169		1563
1170	int	1564	int
1171	nready()	1565	nready ()
1172	PROTOTYPE:
1173	CODE:	1566	CODE:
1174	RETVAL = eio_nready ();	1567	RETVAL = eio_nready ();
1175	OUTPUT:	1568	OUTPUT:
1176	RETVAL	1569	RETVAL
1177		1570
1178	int	1571	int
1179	npending()	1572	npending ()
1180	PROTOTYPE:
1181	CODE:	1573	CODE:
1182	RETVAL = eio_npending ();	1574	RETVAL = eio_npending ();
1183	OUTPUT:	1575	OUTPUT:
1184	RETVAL	1576	RETVAL
1185		1577
1186	int	1578	int
1187	nthreads()	1579	nthreads ()
1188	PROTOTYPE:
1189	CODE:	1580	CODE:
1190	RETVAL = eio_nthreads ();	1581	RETVAL = eio_nthreads ();
1191	OUTPUT:	1582	OUTPUT:
1192	RETVAL	1583	RETVAL
1193		1584
1194	int	1585	int
1195	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1586	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1196	PROTOTYPE: $$$$
1197	CODE:	1587	CODE:
1198	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1199	RETVAL = posix_fadvise (fh, offset, length, advice);	1588	RETVAL = posix_fadvise (fh, offset, length, advice);
1200	#else
1201	RETVAL = errno = ENOSYS;
1202	#endif
1203	OUTPUT:	1589	OUTPUT:
1204	RETVAL	1590	RETVAL
1205		1591
1206	ssize_t	1592	ssize_t
1207	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1593	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1208	PROTOTYPE: $$$$
1209	CODE:	1594	CODE:
1210	eio_sendfile_sync (ofh, ifh, offset, count);	1595	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1596	OUTPUT:
		1597	RETVAL
		1598
		1599	void
		1600	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
		1601	PPCODE:
		1602	sv_unmagic (scalar, MMAP_MAGIC);
		1603	{
		1604	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1605	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
		1606	if (addr == (void *)-1)
		1607	XSRETURN_NO;
		1608
		1609	sv_force_normal (scalar);
		1610
		1611	/* we store the length in mg_obj, as namlen is I32 :/ */
		1612	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1613	->mg_obj = (SV *)length;
		1614
		1615	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1616
		1617	if (!(prot & PROT_WRITE))
		1618	SvREADONLY_on (scalar);
		1619
		1620	if (SvLEN (scalar))
		1621	Safefree (SvPVX (scalar));
		1622
		1623	SvPVX (scalar) = (char *)addr;
		1624	SvCUR_set (scalar, length);
		1625	SvLEN_set (scalar, 0);
		1626	SvPOK_only (scalar);
		1627
		1628	XSRETURN_YES;
		1629	}
		1630
		1631	void
		1632	munmap (SV *scalar)
		1633	CODE:
		1634	sv_unmagic (scalar, MMAP_MAGIC);
		1635
		1636	int
		1637	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
		1638	ALIAS:
		1639	mprotect = 1
		1640	CODE:
		1641	{
		1642	STRLEN svlen;
		1643	void *addr = SvPVbyte (scalar, svlen);
		1644	size_t len = SvUV (length);
		1645
		1646	if (offset < 0)
		1647	offset += svlen;
		1648
		1649	if (offset < 0 || offset > svlen)
		1650	croak ("offset outside of scalar");
		1651
		1652	if (!SvOK (length) || len + offset > svlen)
		1653	len = svlen - offset;
		1654
		1655	addr = (void *)(((intptr_t)addr) + offset);
		1656	eio_page_align (&addr, &len);
		1657
		1658	switch (ix)
		1659	{
		1660	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1661	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1662	}
		1663	}
		1664	OUTPUT:
		1665	RETVAL
		1666
		1667	int
		1668	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
		1669	CODE:
		1670	{
		1671	STRLEN svlen;
		1672	void *addr = SvPVbyte (scalar, svlen);
		1673	size_t len = SvUV (length);
		1674
		1675	if (offset < 0)
		1676	offset += svlen;
		1677
		1678	if (offset < 0 || offset > svlen)
		1679	croak ("offset outside of scalar");
		1680
		1681	if (!SvOK (length) || len + offset > svlen)
		1682	len = svlen - offset;
		1683
		1684	addr = (void *)(((intptr_t)addr) + offset);
		1685	eio_page_align (&addr, &len);
		1686	#if _POSIX_MEMLOCK_RANGE
		1687	RETVAL = munlock (addr, len);
		1688	#else
		1689	RETVAL = ((errno = ENOSYS), -1);
		1690	#endif
		1691	}
		1692	OUTPUT:
		1693	RETVAL
		1694
		1695	int
		1696	munlockall ()
		1697	CODE:
		1698	#if _POSIX_MEMLOCK
		1699	munlockall ();
		1700	#else
		1701	RETVAL = -1;
		1702	errno = ENOSYS;
		1703	#endif
		1704	OUTPUT:
		1705	RETVAL
1211		1706
1212	void _on_next_submit (SV *cb)	1707	void _on_next_submit (SV *cb)
1213	CODE:	1708	CODE:
1214	SvREFCNT_dec (on_next_submit);	1709	SvREFCNT_dec (on_next_submit);
1215	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1710	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1230	if (GIMME_V != G_VOID)	1725	if (GIMME_V != G_VOID)
1231	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1726	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1232		1727
1233	if (items > 1)	1728	if (items > 1)
1234	{	1729	{
1235	SV *cb_cv = get_cb (callback);	1730	SV *cb_cv =get_cb (callback);
1236		1731
1237	SvREFCNT_dec (req->callback);	1732	SvREFCNT_dec (req->callback);
1238	req->callback = SvREFCNT_inc (cb_cv);	1733	req->callback = SvREFCNT_inc (cb_cv);
1239	}	1734	}
1240	}	1735	}

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