[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs.
Revision 1.189 by root, Mon Jul 18 01:27:03 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
…		…
113	STRLEN stroffset; \	112	STRLEN stroffset; \
114	SV *self;	113	SV *self;
115		114
116	#define EIO_NO_WRAPPERS 1	115	#define EIO_NO_WRAPPERS 1
117		116
		117	#include "libeio/config.h"
118	#include "libeio/eio.h"	118	#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		119
145	static int req_invoke (eio_req *req);	120	static int req_invoke (eio_req *req);
146	#define EIO_FINISH(req) req_invoke (req)	121	#define EIO_FINISH(req) req_invoke (req)
147	static void req_destroy (eio_req *grp);	122	static void req_destroy (eio_req *grp);
148	#define EIO_DESTROY(req) req_destroy (req)	123	#define EIO_DESTROY(req) req_destroy (req)
149		124
		125	#include "libeio/eio.c"
		126
		127	/* Linux/others */
		128	#ifndef O_ASYNC
		129	# define O_ASYNC 0
		130	#endif
		131	#ifndef O_DIRECT
		132	# define O_DIRECT 0
		133	#endif
		134	#ifndef O_NOATIME
		135	# define O_NOATIME 0
		136	#endif
		137
		138	/* POSIX */
		139	#ifndef O_CLOEXEC
		140	# define O_CLOEXEC 0
		141	#endif
		142	#ifndef O_NOFOLLOW
		143	# define O_NOFOLLOW 0
		144	#endif
		145	#ifndef O_NOCTTY
		146	# define O_NOCTTY 0
		147	#endif
		148	#ifndef O_NONBLOCK
		149	# define O_NONBLOCK 0
		150	#endif
		151	#ifndef O_EXEC
		152	# define O_EXEC 0
		153	#endif
		154	#ifndef O_SEARCH
		155	# define O_SEARCH 0
		156	#endif
		157	#ifndef O_DIRECTORY
		158	# define O_DIRECTORY 0
		159	#endif
		160	#ifndef O_DSYNC
		161	# define O_DSYNC 0
		162	#endif
		163	#ifndef O_RSYNC
		164	# define O_RSYNC 0
		165	#endif
		166	#ifndef O_SYNC
		167	# define O_SYNC 0
		168	#endif
		169	#ifndef O_TTY_INIT
		170	# define O_TTY_INIT 0
		171	#endif
		172
		173	#ifndef POSIX_FADV_NORMAL
		174	# define POSIX_FADV_NORMAL 0
		175	#endif
		176	#ifndef POSIX_FADV_SEQUENTIAL
		177	# define POSIX_FADV_SEQUENTIAL 0
		178	#endif
		179	#ifndef POSIX_FADV_RANDOM
		180	# define POSIX_FADV_RANDOM 0
		181	#endif
		182	#ifndef POSIX_FADV_NOREUSE
		183	# define POSIX_FADV_NOREUSE 0
		184	#endif
		185	#ifndef POSIX_FADV_WILLNEED
		186	# define POSIX_FADV_WILLNEED 0
		187	#endif
		188	#ifndef POSIX_FADV_DONTNEED
		189	# define POSIX_FADV_DONTNEED 0
		190	#endif
		191
		192	#if !HAVE_POSIX_FADVISE
		193	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		194	#endif
		195
		196	#ifndef POSIX_MADV_NORMAL
		197	# define POSIX_MADV_NORMAL 0
		198	#endif
		199	#ifndef POSIX_MADV_SEQUENTIAL
		200	# define POSIX_MADV_SEQUENTIAL 0
		201	#endif
		202	#ifndef POSIX_MADV_RANDOM
		203	# define POSIX_MADV_RANDOM 0
		204	#endif
		205	#ifndef POSIX_MADV_WILLNEED
		206	# define POSIX_MADV_WILLNEED 0
		207	#endif
		208	#ifndef POSIX_MADV_DONTNEED
		209	# define POSIX_MADV_DONTNEED 0
		210	#endif
		211
		212	#if !HAVE_POSIX_MADVISE
		213	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		214	#endif
		215
		216	#ifndef PROT_NONE
		217	# define PROT_NONE 0
		218	#endif
		219	#ifndef PROT_READ
		220	# define PROT_READ 0
		221	#endif
		222	#ifndef PROT_WRITE
		223	# define PROT_READ 0
		224	#endif
		225	#ifndef PROT_EXEC
		226	# define PROT_EXEC 0
		227	#endif
		228
		229	#ifndef ST_RDONLY
		230	# define ST_RDONLY 0
		231	#endif
		232	#ifndef ST_NOSUID
		233	# define ST_NOSUID 0
		234	#endif
		235	#ifndef ST_NODEV
		236	# define ST_NODEV 0
		237	#endif
		238	#ifndef ST_NOEXEC
		239	# define ST_NOEXEC 0
		240	#endif
		241	#ifndef ST_SYNCHRONOUS
		242	# define ST_SYNCHRONOUS 0
		243	#endif
		244	#ifndef ST_MANDLOCK
		245	# define ST_MANDLOCK 0
		246	#endif
		247	#ifndef ST_WRITE
		248	# define ST_WRITE 0
		249	#endif
		250	#ifndef ST_APPEND
		251	# define ST_APPEND 0
		252	#endif
		253	#ifndef ST_IMMUTABLE
		254	# define ST_IMMUTABLE 0
		255	#endif
		256	#ifndef ST_NOATIME
		257	# define ST_NOATIME 0
		258	#endif
		259	#ifndef ST_NODIRATIME
		260	# define ST_NODIRATIME 0
		261	#endif
		262	#ifndef ST_RELATIME
		263	# define ST_RELATIME 0
		264	#endif
		265
		266	#ifndef S_IFIFO
		267	# define S_IFIFO 0
		268	#endif
		269	#ifndef S_IFCHR
		270	# define S_IFCHR 0
		271	#endif
		272	#ifndef S_IFBLK
		273	# define S_IFBLK 0
		274	#endif
		275	#ifndef S_IFLNK
		276	# define S_IFLNK 0
		277	#endif
		278	#ifndef S_IFREG
		279	# define S_IFREG 0
		280	#endif
		281	#ifndef S_IFDIR
		282	# define S_IFDIR 0
		283	#endif
		284	#ifndef S_IFWHT
		285	# define S_IFWHT 0
		286	#endif
		287	#ifndef S_IFSOCK
		288	# define S_IFSOCK 0
		289	#endif
		290
		291	#ifndef MAP_ANONYMOUS
		292	# ifdef MAP_ANON
		293	# define MAP_ANONYMOUS MAP_ANON
		294	# else
		295	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		296	# endif
		297	#endif
		298	#ifndef MAP_HUGETLB
		299	# define MAP_HUGETLB 0
		300	#endif
		301	#ifndef MAP_LOCKED
		302	# define MAP_LOCKED 0
		303	#endif
		304	#ifndef MAP_NORESERVE
		305	# define MAP_NORESERVE 0
		306	#endif
		307	#ifndef MAP_POPULATE
		308	# define MAP_POPULATE 0
		309	#endif
		310	#ifndef MAP_NONBLOCK
		311	# define MAP_NONBLOCK 0
		312	#endif
		313
		314	#ifndef makedev
		315	# define makedev(maj,min) (((maj) << 8) \| (min))
		316	#endif
		317	#ifndef major
		318	# define major(dev) ((dev) >> 8)
		319	#endif
		320	#ifndef minor
		321	# define minor(dev) ((dev) & 0xff)
		322	#endif
		323
		324	#ifndef PAGESIZE
		325	# define PAGESIZE sysconf (_SC_PAGESIZE)
		326	#endif
		327
150	enum {	328	enum {
151	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	329	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152	};	330	};
153
154	#include "libeio/eio.c"
155		331
156	typedef eio_req *aio_req;	332	typedef eio_req *aio_req;
157	typedef eio_req *aio_req_ornot;	333	typedef eio_req *aio_req_ornot;
158		334
159	static SV *on_next_submit;	335	static SV *on_next_submit;
…		…
239	}	415	}
240	}	416	}
241		417
242	static int req_invoke (eio_req *req)	418	static int req_invoke (eio_req *req)
243	{	419	{
244	dSP;
245
246	if (req->flags & FLAG_SV2_RO_OFF)	420	if (req->flags & FLAG_SV2_RO_OFF)
247	SvREADONLY_off (req->sv2);	421	SvREADONLY_off (req->sv2);
248		422
249	if (!EIO_CANCELLED (req) && req->callback)	423	if (!EIO_CANCELLED (req) && req->callback)
250	{	424	{
		425	dSP;
		426	static SV sv_result_cache; / caches the result integer SV */
		427	SV *sv_result;
		428
251	ENTER;	429	ENTER;
252	SAVETMPS;	430	SAVETMPS;
253	PUSHMARK (SP);	431	PUSHMARK (SP);
254	EXTEND (SP, 1);	432	EXTEND (SP, 1);
		433
		434	/* do not recreate the result IV from scratch each time */
		435	if (expect_true (sv_result_cache))
		436	{
		437	sv_result = sv_result_cache; sv_result_cache = 0;
		438	SvIV_set (sv_result, req->result);
		439	SvIOK_only (sv_result);
		440	}
		441	else
		442	{
		443	sv_result = newSViv (req->result);
		444	SvREADONLY_on (sv_result);
		445	}
255		446
256	switch (req->type)	447	switch (req->type)
257	{	448	{
258	case EIO_READDIR:	449	case EIO_READDIR:
259	{	450	{
…		…
345		536
346	PUSHs (fh);	537	PUSHs (fh);
347	}	538	}
348	break;	539	break;
349		540
		541	case EIO_STATVFS:
		542	case EIO_FSTATVFS:
		543	{
		544	SV *rv = &PL_sv_undef;
		545
		546	#ifndef _WIN32
		547	if (req->result >= 0)
		548	{
		549	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		550	HV *hv = newHV ();
		551
		552	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		553
		554	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		555	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		556	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		557	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		558	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		559	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		560	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		561	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		562	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		563	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		564	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		565	}
		566	#endif
		567
		568	PUSHs (rv);
		569	}
		570
		571	break;
		572
350	case EIO_GROUP:	573	case EIO_GROUP:
351	req->int1 = 2; /* mark group as finished */	574	req->int1 = 2; /* mark group as finished */
352		575
353	if (req->sv1)	576	if (req->sv1)
354	{	577	{
…		…
364	case EIO_NOP:	587	case EIO_NOP:
365	case EIO_BUSY:	588	case EIO_BUSY:
366	break;	589	break;
367		590
368	case EIO_READLINK:	591	case EIO_READLINK:
		592	case EIO_REALPATH:
369	if (req->result > 0)	593	if (req->result > 0)
370	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	594	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371	break;	595	break;
372		596
373	case EIO_STAT:	597	case EIO_STAT:
374	case EIO_LSTAT:	598	case EIO_LSTAT:
375	case EIO_FSTAT:	599	case EIO_FSTAT:
376	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	600	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377	PL_laststatval = req->result;	601	PL_laststatval = req->result;
		602	/* if compilation fails here then perl's Stat_t is not struct _stati64 */
378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	603	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
379	PUSHs (sv_2mortal (newSViv (req->result)));	604	PUSHs (sv_result);
380	break;	605	break;
381		606
382	case EIO_READ:	607	case EIO_READ:
383	{	608	{
384	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	609	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385	*SvEND (req->sv2) = 0;	610	*SvEND (req->sv2) = 0;
386	SvPOK_only (req->sv2);	611	SvPOK_only (req->sv2);
387	SvSETMAGIC (req->sv2);	612	SvSETMAGIC (req->sv2);
388	PUSHs (sv_2mortal (newSViv (req->result)));	613	PUSHs (sv_result);
389	}	614	}
390	break;	615	break;
391		616
392	case EIO_DUP2:	617	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393	if (req->result > 0)	618	if (req->result > 0)
394	req->result = 0;	619	SvIV_set (sv_result, 0);
395	/* FALLTHROUGH */	620	/* FALLTHROUGH */
396		621
397	default:	622	default:
398	PUSHs (sv_2mortal (newSViv (req->result)));	623	PUSHs (sv_result);
399	break;	624	break;
400	}	625	}
401		626
402	errno = req->errorno;	627	errno = req->errorno;
403		628
404	PUTBACK;	629	PUTBACK;
405	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	630	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
406	SPAGAIN;	631	SPAGAIN;
		632
		633	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		634	SvREFCNT_dec (sv_result);
		635	else
		636	sv_result_cache = sv_result;
407		637
408	FREETMPS;	638	FREETMPS;
409	LEAVE;	639	LEAVE;
410		640
411	PUTBACK;	641	PUTBACK;
…		…
429	Safefree (req);	659	Safefree (req);
430	}	660	}
431		661
432	static void req_cancel_subs (aio_req grp)	662	static void req_cancel_subs (aio_req grp)
433	{	663	{
434	aio_req sub;
435
436	if (grp->type != EIO_GROUP)	664	if (grp->type != EIO_GROUP)
437	return;	665	return;
438		666
439	SvREFCNT_dec (grp->sv2);	667	SvREFCNT_dec (grp->sv2);
440	grp->sv2 = 0;	668	grp->sv2 = 0;
441		669
442	eio_grp_cancel (grp);	670	eio_grp_cancel (grp);
443	}	671	}
444		672
445	static void
446	create_respipe (void)	673	static void create_respipe (void)
447	{	674	{
448	if (s_epipe_renew (&respipe))	675	if (s_epipe_renew (&respipe))
449	croak ("IO::AIO: unable to initialize result pipe");	676	croak ("IO::AIO: unable to initialize result pipe");
450	}	677	}
451		678
…		…
482		709
483	poll_wait ();	710	poll_wait ();
484	}	711	}
485	}	712	}
486		713
		714	static void ecb_cold
487	static void atfork_child (void)	715	atfork_child (void)
488	{	716	{
489	create_respipe ();	717	create_respipe ();
490	}
491		718
492	static SV *	719	if (eio_init (want_poll, done_poll) < 0)
		720	croak ("IO::AIO: unable to initialise eio library");
		721	}
		722
		723	/*****************************************************************************/
		724
		725	#if !_POSIX_MAPPED_FILES
		726	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		727	# define munmap(addr,length) (errno = ENOSYS, -1)
		728	#endif
		729
		730	#if !_POSIX_MEMORY_PROTECTION
		731	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		732	# define PROT_NONE 0
		733	# define PROT_WRITE 0
		734	# define MAP_PRIVATE 0
		735	# define MAP_SHARED 0
		736	# define MAP_FIXED 0
		737	#endif
		738
		739	#define MMAP_MAGIC PERL_MAGIC_ext
		740
		741	static int mmap_free (pTHX_ SV sv, MAGIC mg)
		742	{
		743	int old_errno = errno;
		744	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		745	errno = old_errno;
		746
		747	mg->mg_obj = 0; /* just in case */
		748
		749	SvREADONLY_off (sv);
		750
		751	if (SvPVX (sv) != mg->mg_ptr)
		752	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		753
		754	SvCUR_set (sv, 0);
		755	SvPVX (sv) = 0;
		756	SvOK_off (sv);
		757
		758	return 0;
		759	}
		760
		761	static MGVTBL mmap_vtbl = {
		762	0, 0, 0, 0, mmap_free
		763	};
		764
		765	/*****************************************************************************/
		766
493	get_cb (SV *cb_sv)	767	static SV * get_cb (SV *cb_sv)
494	{	768	{
495	SvGETMAGIC (cb_sv);	769	SvGETMAGIC (cb_sv);
496	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	770	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
497	}	771	}
498		772
…		…
527	{	801	{
528	static const struct {	802	static const struct {
529	const char *name;	803	const char *name;
530	IV iv;	804	IV iv;
531	} *civ, const_iv[] = {	805	} *civ, const_iv[] = {
532	# define const_iv(name, value) { # name, (IV) value },	806	# define const_niv(name, value) { # name, (IV) value },
		807	# define const_iv(name) { # name, (IV) name },
533	# define const_eio(name) { # name, (IV) EIO_ ## name },	808	# define const_eio(name) { # name, (IV) EIO_ ## name },
534	const_iv (EXDEV , EXDEV)	809	const_iv (EXDEV)
535	const_iv (ENOSYS , ENOSYS)	810	const_iv (ENOSYS)
536	const_iv (O_RDONLY, O_RDONLY)	811	const_iv (O_RDONLY)
537	const_iv (O_WRONLY, O_WRONLY)	812	const_iv (O_WRONLY)
		813	const_iv (O_RDWR)
538	const_iv (O_CREAT , O_CREAT)	814	const_iv (O_CREAT)
539	const_iv (O_TRUNC , O_TRUNC)	815	const_iv (O_TRUNC)
540	#ifndef _WIN32	816	const_iv (O_EXCL)
		817	const_iv (O_APPEND)
		818
		819	const_iv (O_ASYNC)
		820	const_iv (O_DIRECT)
		821	const_iv (O_NOATIME)
		822
		823	const_iv (O_CLOEXEC)
		824	const_iv (O_NOCTTY)
		825	const_iv (O_NOFOLLOW)
		826	const_iv (O_NONBLOCK)
		827	const_iv (O_EXEC)
		828	const_iv (O_SEARCH)
		829	const_iv (O_DIRECTORY)
		830	const_iv (O_DSYNC)
		831	const_iv (O_RSYNC)
		832	const_iv (O_SYNC)
		833	const_iv (O_TTY_INIT)
		834
541	const_iv (S_IFIFO , S_IFIFO)	835	const_iv (S_IFIFO)
542	#endif	836	const_iv (S_IFCHR)
		837	const_iv (S_IFBLK)
		838	const_iv (S_IFLNK)
		839	const_iv (S_IFREG)
		840	const_iv (S_IFDIR)
		841	const_iv (S_IFWHT)
		842	const_iv (S_IFSOCK)
		843	const_iv (S_IFMT)
		844
543	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	845	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	846	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	847	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	848	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	849	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	850	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		851
		852	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		853	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		854	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		855	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		856	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		857
		858	const_iv (ST_RDONLY)
		859	const_iv (ST_NOSUID)
		860	const_iv (ST_NODEV)
		861	const_iv (ST_NOEXEC)
		862	const_iv (ST_SYNCHRONOUS)
		863	const_iv (ST_MANDLOCK)
		864	const_iv (ST_WRITE)
		865	const_iv (ST_APPEND)
		866	const_iv (ST_IMMUTABLE)
		867	const_iv (ST_NOATIME)
		868	const_iv (ST_NODIRATIME)
		869	const_iv (ST_RELATIME)
		870
		871	const_iv (PROT_NONE)
		872	const_iv (PROT_EXEC)
		873	const_iv (PROT_READ)
		874	const_iv (PROT_WRITE)
		875
		876	/const_iv (MAP_FIXED)/
		877	const_iv (MAP_PRIVATE)
		878	const_iv (MAP_SHARED)
		879	const_iv (MAP_ANONYMOUS)
		880
		881	/* linuxish */
		882	const_iv (MAP_HUGETLB)
		883	const_iv (MAP_LOCKED)
		884	const_iv (MAP_NORESERVE)
		885	const_iv (MAP_POPULATE)
		886	const_iv (MAP_NONBLOCK)
		887
		888	const_eio (MCL_FUTURE)
		889	const_eio (MCL_CURRENT)
549		890
550	const_eio (MS_ASYNC)	891	const_eio (MS_ASYNC)
551	const_eio (MS_INVALIDATE)	892	const_eio (MS_INVALIDATE)
552	const_eio (MS_SYNC)	893	const_eio (MS_SYNC)
553		894
554	const_eio (MT_MODIFY)	895	const_eio (MT_MODIFY)
555		896
556	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	897	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
557	const_eio (SYNC_FILE_RANGE_WRITE)	898	const_eio (SYNC_FILE_RANGE_WRITE)
558	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	899	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		900
		901	const_eio (FALLOC_FL_KEEP_SIZE)
559		902
560	const_eio (READDIR_DENTS)	903	const_eio (READDIR_DENTS)
561	const_eio (READDIR_DIRS_FIRST)	904	const_eio (READDIR_DIRS_FIRST)
562	const_eio (READDIR_STAT_ORDER)	905	const_eio (READDIR_STAT_ORDER)
563	const_eio (READDIR_FOUND_UNKNOWN)	906	const_eio (READDIR_FOUND_UNKNOWN)
…		…
578	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);	921	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
579		922
580	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	923	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
581	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));	924	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
582		925
583	create_respipe ();	926	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
584		927
585	if (eio_init (want_poll, done_poll) < 0)
586	croak ("IO::AIO: unable to initialise eio library");
587
588	/* atfork child called in fifo order, so before eio's handler */
589	X_THREAD_ATFORK (0, 0, atfork_child);	928	X_THREAD_ATFORK (0, 0, atfork_child);
		929	atfork_child (); /* calls create_respipe and eio_init */
590	}	930	}
591		931
592	void	932	void
593	max_poll_reqs (int nreqs)	933	max_poll_reqs (unsigned int nreqs)
594	PROTOTYPE: $	934	PROTOTYPE: $
595	CODE:	935	CODE:
596	eio_set_max_poll_reqs (nreqs);	936	eio_set_max_poll_reqs (nreqs);
597		937
598	void	938	void
…		…
600	PROTOTYPE: $	940	PROTOTYPE: $
601	CODE:	941	CODE:
602	eio_set_max_poll_time (nseconds);	942	eio_set_max_poll_time (nseconds);
603		943
604	void	944	void
605	min_parallel (int nthreads)	945	min_parallel (unsigned int nthreads)
606	PROTOTYPE: $	946	PROTOTYPE: $
607	CODE:	947	CODE:
608	eio_set_min_parallel (nthreads);	948	eio_set_min_parallel (nthreads);
609		949
610	void	950	void
611	max_parallel (int nthreads)	951	max_parallel (unsigned int nthreads)
612	PROTOTYPE: $	952	PROTOTYPE: $
613	CODE:	953	CODE:
614	eio_set_max_parallel (nthreads);	954	eio_set_max_parallel (nthreads);
615		955
616	void	956	void
617	max_idle (int nthreads)	957	max_idle (unsigned int nthreads)
618	PROTOTYPE: $	958	PROTOTYPE: $
619	CODE:	959	CODE:
620	eio_set_max_idle (nthreads);	960	eio_set_max_idle (nthreads);
621		961
622	void	962	void
		963	idle_timeout (unsigned int seconds)
		964	PROTOTYPE: $
		965	CODE:
		966	eio_set_idle_timeout (seconds);
		967
		968	void
623	max_outstanding (int maxreqs)	969	max_outstanding (unsigned int maxreqs)
624	PROTOTYPE: $	970	PROTOTYPE: $
625	CODE:	971	CODE:
626	max_outstanding = maxreqs;	972	max_outstanding = maxreqs;
627		973
628	void	974	void
629	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	975	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
630	PROTOTYPE: $$$;$
631	PPCODE:	976	PPCODE:
632	{	977	{
633	dREQ;	978	dREQ;
634		979
635	req->type = EIO_OPEN;	980	req->type = EIO_OPEN;
…		…
641	REQ_SEND;	986	REQ_SEND;
642	}	987	}
643		988
644	void	989	void
645	aio_fsync (SV fh, SV callback=&PL_sv_undef)	990	aio_fsync (SV fh, SV callback=&PL_sv_undef)
646	PROTOTYPE: $;$
647	ALIAS:	991	ALIAS:
648	aio_fsync = EIO_FSYNC	992	aio_fsync = EIO_FSYNC
649	aio_fdatasync = EIO_FDATASYNC	993	aio_fdatasync = EIO_FDATASYNC
650	PPCODE:	994	PPCODE:
651	{	995	{
…		…
659	REQ_SEND (req);	1003	REQ_SEND (req);
660	}	1004	}
661		1005
662	void	1006	void
663	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1007	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
664	PROTOTYPE: $$$$;$
665	PPCODE:	1008	PPCODE:
666	{	1009	{
667	int fd = s_fileno_croak (fh, 0);	1010	int fd = s_fileno_croak (fh, 0);
668	dREQ;	1011	dREQ;
669		1012
…		…
676		1019
677	REQ_SEND (req);	1020	REQ_SEND (req);
678	}	1021	}
679		1022
680	void	1023	void
681	aio_close (SV fh, SV callback=&PL_sv_undef)	1024	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
682	PROTOTYPE: $;$
683	PPCODE:	1025	PPCODE:
684	{	1026	{
685	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
686	int fd = s_fileno_croak (fh, 0);	1027	int fd = s_fileno_croak (fh, 0);
687	dREQ;	1028	dREQ;
688		1029
689	if (close_pipe < 0)	1030	req->type = EIO_FALLOCATE;
		1031	req->sv1 = newSVsv (fh);
		1032	req->int1 = fd;
		1033	req->int2 = mode;
		1034	req->offs = offset;
		1035	req->size = len;
		1036
		1037	REQ_SEND (req);
		1038	}
		1039
		1040	void
		1041	aio_close (SV fh, SV callback=&PL_sv_undef)
		1042	PPCODE:
		1043	{
		1044	static int close_fd = -1; /* dummy fd to close fds via dup2 */
		1045	int fd = s_fileno_croak (fh, 0);
		1046	dREQ;
		1047
		1048	if (expect_false (close_fd < 0))
690	{	1049	{
691	int pipefd [2];	1050	int pipefd [2];
692		1051
		1052	if (
		1053	#ifdef _WIN32
		1054	_pipe (pipefd, 1, _O_BINARY) < 0
		1055	#else
693	if (pipe (pipefd) < 0	1056	pipe (pipefd) < 0
694	\|\| close (pipefd [1]) < 0
695	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)	1057	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1058	#endif
		1059	\|\| close (pipefd [1]) < 0
		1060	)
696	abort (); /D/	1061	abort (); /D/
697		1062
698	close_pipe = pipefd [0];	1063	close_fd = pipefd [0];
699	}	1064	}
700		1065
701	req->type = EIO_DUP2;	1066	req->type = EIO_DUP2;
702	req->int1 = close_pipe;	1067	req->int1 = close_fd;
703	req->sv2 = newSVsv (fh);	1068	req->sv2 = newSVsv (fh);
704	req->int2 = fd;	1069	req->int2 = fd;
705		1070
706	REQ_SEND (req);	1071	REQ_SEND (req);
707	}	1072	}
…		…
709	void	1074	void
710	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1075	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
711	ALIAS:	1076	ALIAS:
712	aio_read = EIO_READ	1077	aio_read = EIO_READ
713	aio_write = EIO_WRITE	1078	aio_write = EIO_WRITE
714	PROTOTYPE: $$$$$;$
715	PPCODE:	1079	PPCODE:
716	{	1080	{
717	STRLEN svlen;	1081	STRLEN svlen;
718	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1082	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
719	char *svptr = SvPVbyte (data, svlen);	1083	char *svptr = SvPVbyte (data, svlen);
…		…
760	}	1124	}
761	}	1125	}
762		1126
763	void	1127	void
764	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1128	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
765	PROTOTYPE: $$;$	1129	ALIAS:
		1130	aio_readlink = EIO_READLINK
		1131	aio_realpath = EIO_REALPATH
766	PPCODE:	1132	PPCODE:
767	{	1133	{
768	SV *data;
769	dREQ;	1134	dREQ;
770		1135
771	req->type = EIO_READLINK;	1136	req->type = ix;
772	req->sv1 = newSVsv (path);	1137	req->sv1 = newSVsv (path);
773	req->ptr1 = SvPVbyte_nolen (req->sv1);	1138	req->ptr1 = SvPVbyte_nolen (req->sv1);
774		1139
775	REQ_SEND;	1140	REQ_SEND;
776	}	1141	}
777		1142
778	void	1143	void
779	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1144	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
780	PROTOTYPE: $$$$;$
781	PPCODE:	1145	PPCODE:
782	{	1146	{
783	int ifd = s_fileno_croak (in_fh , 0);	1147	int ifd = s_fileno_croak (in_fh , 0);
784	int ofd = s_fileno_croak (out_fh, 1);	1148	int ofd = s_fileno_croak (out_fh, 1);
785	dREQ;	1149	dREQ;
…		…
795	REQ_SEND;	1159	REQ_SEND;
796	}	1160	}
797		1161
798	void	1162	void
799	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1163	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
800	PROTOTYPE: $$$;$
801	PPCODE:	1164	PPCODE:
802	{	1165	{
803	int fd = s_fileno_croak (fh, 0);	1166	int fd = s_fileno_croak (fh, 0);
804	dREQ;	1167	dREQ;
805		1168
…		…
813	}	1176	}
814		1177
815	void	1178	void
816	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1179	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
817	ALIAS:	1180	ALIAS:
818	aio_stat = EIO_STAT	1181	aio_stat = EIO_STAT
819	aio_lstat = EIO_LSTAT	1182	aio_lstat = EIO_LSTAT
		1183	aio_statvfs = EIO_STATVFS
820	PPCODE:	1184	PPCODE:
821	{	1185	{
822	dREQ;	1186	dREQ;
823		1187
824	req->sv1 = newSVsv (fh_or_path);	1188	req->sv1 = newSVsv (fh_or_path);
…		…
828	req->type = ix;	1192	req->type = ix;
829	req->ptr1 = SvPVbyte_nolen (req->sv1);	1193	req->ptr1 = SvPVbyte_nolen (req->sv1);
830	}	1194	}
831	else	1195	else
832	{	1196	{
833	req->type = EIO_FSTAT;	1197	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
834	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1198	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
835	}	1199	}
836		1200
837	REQ_SEND;	1201	REQ_SEND;
838	}	1202	}
		1203
		1204	UV
		1205	major (UV dev)
		1206	ALIAS:
		1207	minor = 1
		1208	CODE:
		1209	RETVAL = ix ? major (dev) : minor (dev);
		1210	OUTPUT:
		1211	RETVAL
		1212
		1213	UV
		1214	makedev (UV maj, UV min)
		1215	CODE:
		1216	RETVAL = makedev (maj, min);
		1217	OUTPUT:
		1218	RETVAL
839		1219
840	void	1220	void
841	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1221	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)
842	PPCODE:	1222	PPCODE:
843	{	1223	{
…		…
1005	void	1385	void
1006	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1386	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1007	ALIAS:	1387	ALIAS:
1008	aio_mtouch = EIO_MTOUCH	1388	aio_mtouch = EIO_MTOUCH
1009	aio_msync = EIO_MSYNC	1389	aio_msync = EIO_MSYNC
1010	PROTOTYPE: $$$$;$
1011	PPCODE:	1390	PPCODE:
1012	{	1391	{
1013	STRLEN svlen;	1392	STRLEN svlen;
		1393	char *svptr = SvPVbyte (data, svlen);
1014	UV len = SvUV (length);	1394	UV len = SvUV (length);
1015	char *svptr = SvPVbyte (data, svlen);
1016		1395
1017	if (offset < 0)	1396	if (offset < 0)
1018	offset += svlen;	1397	offset += svlen;
1019		1398
1020	if (offset < 0 \|\| offset > svlen)	1399	if (offset < 0 \|\| offset > svlen)
…		…
1025		1404
1026	{	1405	{
1027	dREQ;	1406	dREQ;
1028		1407
1029	req->type = ix;	1408	req->type = ix;
1030	req->size = len;
1031	req->sv2 = SvREFCNT_inc (data);	1409	req->sv2 = SvREFCNT_inc (data);
1032	req->ptr2 = (char *)svptr + offset;	1410	req->ptr2 = (char *)svptr + offset;
		1411	req->size = len;
1033	req->int1 = flags;	1412	req->int1 = flags;
1034		1413
1035	REQ_SEND;	1414	REQ_SEND;
1036	}	1415	}
1037	}	1416	}
1038		1417
1039	void	1418	void
		1419	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1420	PPCODE:
		1421	{
		1422	STRLEN svlen;
		1423	char *svptr = SvPVbyte (data, svlen);
		1424	UV len = SvUV (length);
		1425
		1426	if (offset < 0)
		1427	offset += svlen;
		1428
		1429	if (offset < 0 \|\| offset > svlen)
		1430	croak ("offset outside of scalar");
		1431
		1432	if (!SvOK (length) \|\| len + offset > svlen)
		1433	len = svlen - offset;
		1434
		1435	{
		1436	dREQ;
		1437
		1438	req->type = EIO_MLOCK;
		1439	req->sv2 = SvREFCNT_inc (data);
		1440	req->ptr2 = (char *)svptr + offset;
		1441	req->size = len;
		1442
		1443	REQ_SEND;
		1444	}
		1445	}
		1446
		1447	void
		1448	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1449	PPCODE:
		1450	{
		1451	dREQ;
		1452
		1453	req->type = EIO_MLOCKALL;
		1454	req->int1 = flags;
		1455
		1456	REQ_SEND;
		1457	}
		1458
		1459	void
1040	aio_busy (double delay, SV *callback=&PL_sv_undef)	1460	aio_busy (double delay, SV *callback=&PL_sv_undef)
1041	PPCODE:	1461	PPCODE:
1042	{	1462	{
1043	dREQ;	1463	dREQ;
1044		1464
…		…
1048	REQ_SEND;	1468	REQ_SEND;
1049	}	1469	}
1050		1470
1051	void	1471	void
1052	aio_group (SV *callback=&PL_sv_undef)	1472	aio_group (SV *callback=&PL_sv_undef)
1053	PROTOTYPE: ;$
1054	PPCODE:	1473	PPCODE:
1055	{	1474	{
1056	dREQ;	1475	dREQ;
1057		1476
1058	req->type = EIO_GROUP;	1477	req->type = EIO_GROUP;
…		…
1075	REQ_SEND;	1494	REQ_SEND;
1076	}	1495	}
1077		1496
1078	int	1497	int
1079	aioreq_pri (int pri = 0)	1498	aioreq_pri (int pri = 0)
1080	PROTOTYPE: ;$
1081	CODE:	1499	CODE:
1082	RETVAL = next_pri;	1500	RETVAL = next_pri;
1083	if (items > 0)	1501	if (items > 0)
1084	{	1502	{
1085	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1503	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1097	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1515	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1098	next_pri = nice;	1516	next_pri = nice;
1099		1517
1100	void	1518	void
1101	flush ()	1519	flush ()
1102	PROTOTYPE:
1103	CODE:	1520	CODE:
1104	while (eio_nreqs ())	1521	while (eio_nreqs ())
1105	{	1522	{
1106	poll_wait ();	1523	poll_wait ();
1107	poll_cb ();	1524	poll_cb ();
1108	}	1525	}
1109		1526
1110	int	1527	int
1111	poll()	1528	poll ()
1112	PROTOTYPE:
1113	CODE:	1529	CODE:
1114	poll_wait ();	1530	poll_wait ();
1115	RETVAL = poll_cb ();	1531	RETVAL = poll_cb ();
1116	OUTPUT:	1532	OUTPUT:
1117	RETVAL	1533	RETVAL
1118		1534
1119	int	1535	int
1120	poll_fileno()	1536	poll_fileno ()
1121	PROTOTYPE:
1122	CODE:	1537	CODE:
1123	RETVAL = s_epipe_fd (&respipe);	1538	RETVAL = s_epipe_fd (&respipe);
1124	OUTPUT:	1539	OUTPUT:
1125	RETVAL	1540	RETVAL
1126		1541
1127	int	1542	int
1128	poll_cb(...)	1543	poll_cb (...)
1129	PROTOTYPE:	1544	PROTOTYPE:
1130	CODE:	1545	CODE:
1131	RETVAL = poll_cb ();	1546	RETVAL = poll_cb ();
1132	OUTPUT:	1547	OUTPUT:
1133	RETVAL	1548	RETVAL
1134		1549
1135	void	1550	void
1136	poll_wait()	1551	poll_wait ()
1137	PROTOTYPE:
1138	CODE:	1552	CODE:
1139	poll_wait ();	1553	poll_wait ();
1140		1554
1141	int	1555	int
1142	nreqs()	1556	nreqs ()
1143	PROTOTYPE:
1144	CODE:	1557	CODE:
1145	RETVAL = eio_nreqs ();	1558	RETVAL = eio_nreqs ();
1146	OUTPUT:	1559	OUTPUT:
1147	RETVAL	1560	RETVAL
1148		1561
1149	int	1562	int
1150	nready()	1563	nready ()
1151	PROTOTYPE:
1152	CODE:	1564	CODE:
1153	RETVAL = eio_nready ();	1565	RETVAL = eio_nready ();
1154	OUTPUT:	1566	OUTPUT:
1155	RETVAL	1567	RETVAL
1156		1568
1157	int	1569	int
1158	npending()	1570	npending ()
1159	PROTOTYPE:
1160	CODE:	1571	CODE:
1161	RETVAL = eio_npending ();	1572	RETVAL = eio_npending ();
1162	OUTPUT:	1573	OUTPUT:
1163	RETVAL	1574	RETVAL
1164		1575
1165	int	1576	int
1166	nthreads()	1577	nthreads ()
1167	PROTOTYPE:
1168	CODE:	1578	CODE:
1169	RETVAL = eio_nthreads ();	1579	RETVAL = eio_nthreads ();
1170	OUTPUT:	1580	OUTPUT:
1171	RETVAL	1581	RETVAL
1172		1582
1173	int	1583	int
1174	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1584	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1175	PROTOTYPE: $$$$
1176	CODE:	1585	CODE:
1177	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1178	RETVAL = posix_fadvise (fh, offset, length, advice);	1586	RETVAL = posix_fadvise (fh, offset, length, advice);
1179	#else
1180	RETVAL = errno = ENOSYS;
1181	#endif
1182	OUTPUT:	1587	OUTPUT:
1183	RETVAL	1588	RETVAL
1184		1589
1185	ssize_t	1590	ssize_t
1186	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1591	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1187	PROTOTYPE: $$$$
1188	CODE:	1592	CODE:
1189	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1593	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1190	OUTPUT:	1594	OUTPUT:
1191	RETVAL	1595	RETVAL
1192		1596
		1597	void
		1598	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1599	PPCODE:
		1600	sv_unmagic (scalar, MMAP_MAGIC);
		1601	{
		1602	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1603	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1604	if (addr == (void *)-1)
		1605	XSRETURN_NO;
		1606
		1607	sv_force_normal (scalar);
		1608
		1609	/* we store the length in mg_obj, as namlen is I32 :/ */
		1610	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1611	->mg_obj = (SV *)length;
		1612
		1613	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1614
		1615	if (!(prot & PROT_WRITE))
		1616	SvREADONLY_on (scalar);
		1617
		1618	if (SvLEN (scalar))
		1619	Safefree (SvPVX (scalar));
		1620
		1621	SvPVX (scalar) = (char *)addr;
		1622	SvCUR_set (scalar, length);
		1623	SvLEN_set (scalar, 0);
		1624	SvPOK_only (scalar);
		1625
		1626	XSRETURN_YES;
		1627	}
		1628
		1629	void
		1630	munmap (SV *scalar)
		1631	CODE:
		1632	sv_unmagic (scalar, MMAP_MAGIC);
		1633
		1634	int
		1635	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		1636	ALIAS:
		1637	mprotect = 1
		1638	CODE:
		1639	{
		1640	STRLEN svlen;
		1641	void *addr = SvPVbyte (scalar, svlen);
		1642	size_t len = SvUV (length);
		1643
		1644	if (offset < 0)
		1645	offset += svlen;
		1646
		1647	if (offset < 0 \|\| offset > svlen)
		1648	croak ("offset outside of scalar");
		1649
		1650	if (!SvOK (length) \|\| len + offset > svlen)
		1651	len = svlen - offset;
		1652
		1653	addr = (void *)(((intptr_t)addr) + offset);
		1654	eio_page_align (&addr, &len);
		1655
		1656	switch (ix)
		1657	{
		1658	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1659	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1660	}
		1661	}
		1662	OUTPUT:
		1663	RETVAL
		1664
		1665	int
		1666	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1667	CODE:
		1668	{
		1669	STRLEN svlen;
		1670	void *addr = SvPVbyte (scalar, svlen);
		1671	size_t len = SvUV (length);
		1672
		1673	if (offset < 0)
		1674	offset += svlen;
		1675
		1676	if (offset < 0 \|\| offset > svlen)
		1677	croak ("offset outside of scalar");
		1678
		1679	if (!SvOK (length) \|\| len + offset > svlen)
		1680	len = svlen - offset;
		1681
		1682	addr = (void *)(((intptr_t)addr) + offset);
		1683	eio_page_align (&addr, &len);
		1684	#if _POSIX_MEMLOCK_RANGE
		1685	RETVAL = munlock (addr, len);
		1686	#else
		1687	RETVAL = ((errno = ENOSYS), -1);
		1688	#endif
		1689	}
		1690	OUTPUT:
		1691	RETVAL
		1692
		1693	int
		1694	munlockall ()
		1695	CODE:
		1696	#if _POSIX_MEMLOCK
		1697	munlockall ();
		1698	#else
		1699	RETVAL = -1;
		1700	errno = ENOSYS;
		1701	#endif
		1702	OUTPUT:
		1703	RETVAL
		1704
1193	void _on_next_submit (SV *cb)	1705	void _on_next_submit (SV *cb)
1194	CODE:	1706	CODE:
1195	SvREFCNT_dec (on_next_submit);	1707	SvREFCNT_dec (on_next_submit);
1196	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1708	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1197		1709

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs. Revision 1.189 by root, Mon Jul 18 01:27:03 2011 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs.
Revision 1.189 by root, Mon Jul 18 01:27:03 2011 UTC