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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.87 by root, Mon Oct 30 23:42:27 2006 UTC vs.
Revision 1.105 by root, Sun Jul 8 11:12:15 2007 UTC

1	/* solaris */	1	#include "xthread.h"
2	#define _POSIX_PTHREAD_SEMANTICS 1
3
4	#if __linux && !defined(_GNU_SOURCE)
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		2
11	#include <errno.h>	3	#include <errno.h>
12		4
13	#include "EXTERN.h"	5	#include "EXTERN.h"
14	#include "perl.h"	6	#include "perl.h"
15	#include "XSUB.h"	7	#include "XSUB.h"
16		8
17	#include "autoconf/config.h"
18
19	#include <pthread.h>
20
21	#include <stddef.h>	9	#include <stddef.h>
		10	#include <stdlib.h>
22	#include <errno.h>	11	#include <errno.h>
23	#include <sys/time.h>
24	#include <sys/select.h>
25	#include <sys/types.h>	12	#include <sys/types.h>
26	#include <sys/stat.h>	13	#include <sys/stat.h>
27	#include <limits.h>	14	#include <limits.h>
28	#include <unistd.h>
29	#include <fcntl.h>	15	#include <fcntl.h>
30	#include <signal.h>
31	#include <sched.h>	16	#include <sched.h>
		17
		18	#ifdef _WIN32
		19
		20	# define SIGIO 0
		21	typedef Direntry_t X_DIRENT;
		22	#undef malloc
		23	#undef free
		24
		25	// perl overrides all those nice win32 functions
		26	# undef open
		27	# undef read
		28	# undef write
		29	# undef send
		30	# undef recv
		31	# undef stat
		32	# undef fstat
		33	# define lstat stat
		34	# undef truncate
		35	# undef ftruncate
		36	# undef open
		37	# undef close
		38	# undef unlink
		39	# undef rmdir
		40	# undef rename
		41	# undef lseek
		42
		43	# define chown(a,b,c) (errno = ENOSYS, -1)
		44	# define fchown(a,b,c) (errno = ENOSYS, -1)
		45	# define fchmod(a,b) (errno = ENOSYS, -1)
		46	# define symlink(a,b) (errno = ENOSYS, -1)
		47	# define readlink(a,b,c) (errno = ENOSYS, -1)
		48	# define mknod(a,b,c) (errno = ENOSYS, -1)
		49	# define truncate(a,b) (errno = ENOSYS, -1)
		50	# define ftruncate(fd,o) chsize ((fd), (o))
		51	# define fsync(fd) _commit (fd)
		52	# define opendir(fd) (errno = ENOSYS, 0)
		53	# define readdir(fd) (errno = ENOSYS, -1)
		54	# define closedir(fd) (errno = ENOSYS, -1)
		55	# define mkdir(a,b) mkdir (a)
		56
		57	#else
		58
		59	# include "autoconf/config.h"
		60	# include <sys/time.h>
		61	# include <sys/select.h>
		62	# include <unistd.h>
		63	# include <utime.h>
		64	# include <signal.h>
		65	typedef struct dirent X_DIRENT;
		66
		67	#endif
32		68
33	#if HAVE_SENDFILE	69	#if HAVE_SENDFILE
34	# if __linux	70	# if __linux
35	# include <sys/sendfile.h>	71	# include <sys/sendfile.h>
36	# elif __freebsd	72	# elif __freebsd
…		…
51	/* used for struct dirent, AIX doesn't provide it */	87	/* used for struct dirent, AIX doesn't provide it */
52	#ifndef NAME_MAX	88	#ifndef NAME_MAX
53	# define NAME_MAX 4096	89	# define NAME_MAX 4096
54	#endif	90	#endif
55		91
56	#ifndef PTHREAD_STACK_MIN
57	/* care for broken platforms, e.g. windows */
58	# define PTHREAD_STACK_MIN 16384
59	#endif
60
61	#if __ia64
62	# define STACKSIZE 65536
63	#elif __i386 || __x86_64 /* 16k is unreasonably high :( */
64	# define STACKSIZE PTHREAD_STACK_MIN
65	#else
66	# define STACKSIZE 16384
67	#endif
68
69	/* wether word reads are potentially non-atomic.
70	* this is conservatice, likely most arches this runs
71	* on have atomic word read/writes.
72	*/
73	#ifndef WORDACCESS_UNSAFE
74	# if __i386 || __x86_64
75	# define WORDACCESS_UNSAFE 0
76	# else
77	# define WORDACCESS_UNSAFE 1
78	# endif
79	#endif
80
81	/* buffer size for various temporary buffers */	92	/* buffer size for various temporary buffers */
82	#define AIO_BUFSIZE 65536	93	#define AIO_BUFSIZE 65536
83		94
		95	/* use NV for 32 bit perls as it allows larger offsets */
		96	#if IVSIZE >= 8
		97	# define SvVAL64 SvIV
		98	#else
		99	# define SvVAL64 SvNV
		100	#endif
		101
84	#define dBUF \	102	#define dBUF \
85	char *aio_buf; \	103	char *aio_buf; \
86	LOCK (wrklock); \	104	X_LOCK (wrklock); \
87	self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \	105	self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \
88	UNLOCK (wrklock); \	106	X_UNLOCK (wrklock); \
89	if (!aio_buf) \	107	if (!aio_buf) \
90	return -1;	108	return -1;
		109
		110	typedef SV SV8; /* byte-sv, used for argument-checking */
91		111
92	enum {	112	enum {
93	REQ_QUIT,	113	REQ_QUIT,
94	REQ_OPEN, REQ_CLOSE,	114	REQ_OPEN, REQ_CLOSE,
95	REQ_READ, REQ_WRITE, REQ_READAHEAD,	115	REQ_READ, REQ_WRITE,
96	REQ_SENDFILE,	116	REQ_READAHEAD, REQ_SENDFILE,
97	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	117	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
		118	REQ_TRUNCATE, REQ_FTRUNCATE,
		119	REQ_UTIME, REQ_FUTIME,
		120	REQ_CHMOD, REQ_FCHMOD,
		121	REQ_CHOWN, REQ_FCHOWN,
98	REQ_FSYNC, REQ_FDATASYNC,	122	REQ_FSYNC, REQ_FDATASYNC,
99	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,	123	REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME,
100	REQ_MKNOD, REQ_READDIR,	124	REQ_MKNOD, REQ_READDIR,
101	REQ_LINK, REQ_SYMLINK, REQ_READLINK,	125	REQ_LINK, REQ_SYMLINK, REQ_READLINK,
102	REQ_GROUP, REQ_NOP,	126	REQ_GROUP, REQ_NOP,
103	REQ_BUSY,	127	REQ_BUSY,
104	};	128	};
…		…
108		132
109	typedef struct aio_cb	133	typedef struct aio_cb
110	{	134	{
111	struct aio_cb *volatile next;	135	struct aio_cb *volatile next;
112		136
113	SV *callback, *fh;	137	SV *callback;
114	SV *sv1, *sv2;	138	SV *sv1, *sv2;
115	void *ptr1, *ptr2;	139	void *ptr1, *ptr2;
116	off_t offs;	140	off_t offs;
117	size_t size;	141	size_t size;
118	ssize_t result;	142	ssize_t result;
		143	double nv1, nv2;
119		144
120	STRLEN stroffset;	145	STRLEN stroffset;
121	int type;	146	int type;
122	int int1, int2;	147	int int1, int2, int3;
123	int errorno;	148	int errorno;
124	mode_t mode; /* open */	149	mode_t mode; /* open */
125		150
126	unsigned char flags;	151	unsigned char flags;
127	unsigned char pri;	152	unsigned char pri;
…		…
129	SV *self; /* the perl counterpart of this request, if any */	154	SV *self; /* the perl counterpart of this request, if any */
130	struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;	155	struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;
131	} aio_cb;	156	} aio_cb;
132		157
133	enum {	158	enum {
134	FLAG_CANCELLED = 0x01,	159	FLAG_CANCELLED = 0x01, /* request was cancelled */
135	FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */	160	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
136	FLAG_PTR2_FREE = 0x80, /* need free(ptr2) */	161	FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */
137	};	162	};
138		163
139	typedef aio_cb *aio_req;	164	typedef aio_cb *aio_req;
140	typedef aio_cb *aio_req_ornot;	165	typedef aio_cb *aio_req_ornot;
141		166
…		…
158	{	183	{
159	return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS	184	return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
160	+ ((tv2->tv_usec - tv1->tv_usec) >> 10);	185	+ ((tv2->tv_usec - tv1->tv_usec) >> 10);
161	}	186	}
162		187
		188	static thread_t main_tid;
		189	static int main_sig;
		190	static int block_sig_level;
		191
		192	void block_sig ()
		193	{
		194	sigset_t ss;
		195
		196	if (block_sig_level++)
		197	return;
		198
		199	if (!main_sig)
		200	return;
		201
		202	sigemptyset (&ss);
		203	sigaddset (&ss, main_sig);
		204	pthread_sigmask (SIG_BLOCK, &ss, 0);
		205	}
		206
		207	void unblock_sig ()
		208	{
		209	sigset_t ss;
		210
		211	if (--block_sig_level)
		212	return;
		213
		214	if (!main_sig)
		215	return;
		216
		217	sigemptyset (&ss);
		218	sigaddset (&ss, main_sig);
		219	pthread_sigmask (SIG_UNBLOCK, &ss, 0);
		220	}
		221
163	static int next_pri = DEFAULT_PRI + PRI_BIAS;	222	static int next_pri = DEFAULT_PRI + PRI_BIAS;
164		223
165	static unsigned int started, idle, wanted;	224	static unsigned int started, idle, wanted;
166		225
167	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
168	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
169	#else
170	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
171	#endif
172
173	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
174	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
175
176	/* worker threads management */	226	/* worker threads management */
177	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	227	static mutex_t wrklock = X_MUTEX_INIT;
178		228
179	typedef struct worker {	229	typedef struct worker {
180	/* locked by wrklock */	230	/* locked by wrklock */
181	struct worker *prev, *next;	231	struct worker *prev, *next;
182		232
183	pthread_t tid;	233	thread_t tid;
184		234
185	/* locked by reslock, reqlock or wrklock */	235	/* locked by reslock, reqlock or wrklock */
186	aio_req req; /* currently processed request */	236	aio_req req; /* currently processed request */
187	void *dbuf;	237	void *dbuf;
188	DIR *dirp;	238	DIR *dirp;
…		…
214	}	264	}
215		265
216	static volatile unsigned int nreqs, nready, npending;	266	static volatile unsigned int nreqs, nready, npending;
217	static volatile unsigned int max_idle = 4;	267	static volatile unsigned int max_idle = 4;
218	static volatile unsigned int max_outstanding = 0xffffffff;	268	static volatile unsigned int max_outstanding = 0xffffffff;
219	static int respipe [2];	269	static int respipe [2], respipe_osf [2];
220		270
221	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	271	static mutex_t reslock = X_MUTEX_INIT;
222	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	272	static mutex_t reqlock = X_MUTEX_INIT;
223	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	273	static cond_t reqwait = X_COND_INIT;
224		274
225	#if WORDACCESS_UNSAFE	275	#if WORDACCESS_UNSAFE
226		276
227	static unsigned int get_nready ()	277	static unsigned int get_nready ()
228	{	278	{
229	unsigned int retval;	279	unsigned int retval;
230		280
231	LOCK (reqlock);	281	X_LOCK (reqlock);
232	retval = nready;	282	retval = nready;
233	UNLOCK (reqlock);	283	X_UNLOCK (reqlock);
234		284
235	return retval;	285	return retval;
236	}	286	}
237		287
238	static unsigned int get_npending ()	288	static unsigned int get_npending ()
239	{	289	{
240	unsigned int retval;	290	unsigned int retval;
241		291
242	LOCK (reslock);	292	X_LOCK (reslock);
243	retval = npending;	293	retval = npending;
244	UNLOCK (reslock);	294	X_UNLOCK (reslock);
245		295
246	return retval;	296	return retval;
247	}	297	}
248		298
249	static unsigned int get_nthreads ()	299	static unsigned int get_nthreads ()
250	{	300	{
251	unsigned int retval;	301	unsigned int retval;
252		302
253	LOCK (wrklock);	303	X_LOCK (wrklock);
254	retval = started;	304	retval = started;
255	UNLOCK (wrklock);	305	X_UNLOCK (wrklock);
256		306
257	return retval;	307	return retval;
258	}	308	}
259		309
260	#else	310	#else
…		…
318		368
319	abort ();	369	abort ();
320	}	370	}
321		371
322	static int poll_cb ();	372	static int poll_cb ();
323	static void req_invoke (aio_req req);	373	static int req_invoke (aio_req req);
324	static void req_free (aio_req req);	374	static void req_destroy (aio_req req);
325	static void req_cancel (aio_req req);	375	static void req_cancel (aio_req req);
326		376
327	/* must be called at most once */	377	/* must be called at most once */
328	static SV *req_sv (aio_req req, const char *klass)	378	static SV *req_sv (aio_req req, const char *klass)
329	{	379	{
…		…
348	return mg ? (aio_req)mg->mg_ptr : 0;	398	return mg ? (aio_req)mg->mg_ptr : 0;
349	}	399	}
350		400
351	static void aio_grp_feed (aio_req grp)	401	static void aio_grp_feed (aio_req grp)
352	{	402	{
		403	block_sig ();
		404
353	while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED))	405	while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED))
354	{	406	{
355	int old_len = grp->size;	407	int old_len = grp->size;
356		408
357	if (grp->sv2 && SvOK (grp->sv2))	409	if (grp->sv2 && SvOK (grp->sv2))
…		…
375	SvREFCNT_dec (grp->sv2);	427	SvREFCNT_dec (grp->sv2);
376	grp->sv2 = 0;	428	grp->sv2 = 0;
377	break;	429	break;
378	}	430	}
379	}	431	}
		432
		433	unblock_sig ();
380	}	434	}
381		435
382	static void aio_grp_dec (aio_req grp)	436	static void aio_grp_dec (aio_req grp)
383	{	437	{
384	--grp->size;	438	--grp->size;
…		…
387	aio_grp_feed (grp);	441	aio_grp_feed (grp);
388		442
389	/* finish, if done */	443	/* finish, if done */
390	if (!grp->size && grp->int1)	444	if (!grp->size && grp->int1)
391	{	445	{
		446	block_sig ();
		447
392	req_invoke (grp);	448	if (!req_invoke (grp))
		449	{
		450	req_destroy (grp);
		451	unblock_sig ();
		452	croak (0);
		453	}
		454
393	req_free (grp);	455	req_destroy (grp);
		456	unblock_sig ();
394	}	457	}
395	}	458	}
396		459
397	static void req_invoke (aio_req req)	460	static int req_invoke (aio_req req)
398	{	461	{
399	dSP;	462	dSP;
400		463
401	if (req->flags & FLAG_SV1_RO_OFF)	464	if (req->flags & FLAG_SV2_RO_OFF)
402	SvREADONLY_off (req->sv1);	465	SvREADONLY_off (req->sv2);
403		466
404	if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))	467	if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))
405	{	468	{
406	ENTER;	469	ENTER;
407	SAVETMPS;	470	SAVETMPS;
…		…
445	PUSHs (sv_2mortal (newSViv (req->result)));	508	PUSHs (sv_2mortal (newSViv (req->result)));
446	PUTBACK;	509	PUTBACK;
447	call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);	510	call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
448	SPAGAIN;	511	SPAGAIN;
449		512
450	fh = SvREFCNT_inc (POPs);	513	fh = POPs;
451
452	PUSHMARK (SP);	514	PUSHMARK (SP);
453	XPUSHs (sv_2mortal (fh));	515	XPUSHs (fh);
454	}	516	}
455	break;	517	break;
456		518
457	case REQ_GROUP:	519	case REQ_GROUP:
458	req->int1 = 2; /* mark group as finished */	520	req->int1 = 2; /* mark group as finished */
…		…
473	break;	535	break;
474		536
475	case REQ_READLINK:	537	case REQ_READLINK:
476	if (req->result > 0)	538	if (req->result > 0)
477	{	539	{
478	SvCUR_set (req->sv1, req->result);	540	SvCUR_set (req->sv2, req->result);
479	*SvEND (req->sv1) = 0;	541	*SvEND (req->sv2) = 0;
480	PUSHs (req->sv1);	542	PUSHs (req->sv2);
481	}	543	}
482	break;	544	break;
483		545
484	case REQ_STAT:	546	case REQ_STAT:
485	case REQ_LSTAT:	547	case REQ_LSTAT:
…		…
489	PL_statcache = *(Stat_t *)(req->ptr2);	551	PL_statcache = *(Stat_t *)(req->ptr2);
490	PUSHs (sv_2mortal (newSViv (req->result)));	552	PUSHs (sv_2mortal (newSViv (req->result)));
491	break;	553	break;
492		554
493	case REQ_READ:	555	case REQ_READ:
494	SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0));	556	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
495	*SvEND (req->sv1) = 0;	557	*SvEND (req->sv2) = 0;
496	PUSHs (sv_2mortal (newSViv (req->result)));	558	PUSHs (sv_2mortal (newSViv (req->result)));
497	break;	559	break;
498		560
499	default:	561	default:
500	PUSHs (sv_2mortal (newSViv (req->result)));	562	PUSHs (sv_2mortal (newSViv (req->result)));
…		…
523	grp->grp_first = req->grp_next;	585	grp->grp_first = req->grp_next;
524		586
525	aio_grp_dec (grp);	587	aio_grp_dec (grp);
526	}	588	}
527		589
528	if (SvTRUE (ERRSV))	590	return !SvTRUE (ERRSV);
529	{
530	req_free (req);
531	croak (0);
532	}
533	}	591	}
534		592
535	static void req_free (aio_req req)	593	static void req_destroy (aio_req req)
536	{	594	{
537	if (req->self)	595	if (req->self)
538	{	596	{
539	sv_unmagic (req->self, PERL_MAGIC_ext);	597	sv_unmagic (req->self, PERL_MAGIC_ext);
540	SvREFCNT_dec (req->self);	598	SvREFCNT_dec (req->self);
541	}	599	}
542		600
543	SvREFCNT_dec (req->fh);
544	SvREFCNT_dec (req->sv1);	601	SvREFCNT_dec (req->sv1);
545	SvREFCNT_dec (req->sv2);	602	SvREFCNT_dec (req->sv2);
546	SvREFCNT_dec (req->callback);	603	SvREFCNT_dec (req->callback);
547		604
548	if (req->flags & FLAG_PTR2_FREE)	605	if (req->flags & FLAG_PTR2_FREE)
…		…
570	req->flags |= FLAG_CANCELLED;	627	req->flags |= FLAG_CANCELLED;
571		628
572	req_cancel_subs (req);	629	req_cancel_subs (req);
573	}	630	}
574		631
575	static void *aio_proc(void *arg);	632	#ifdef USE_SOCKETS_AS_HANDLES
		633	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		634	#else
		635	# define TO_SOCKET(x) (x)
		636	#endif
		637
		638	static void
		639	create_pipe (int fd[2])
		640	{
		641	#ifdef _WIN32
		642	int arg = 1;
		643	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
		644	|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
		645	|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
		646	#else
		647	if (pipe (fd)
		648	|| fcntl (fd [0], F_SETFL, O_NONBLOCK)
		649	|| fcntl (fd [1], F_SETFL, O_NONBLOCK))
		650	#endif
		651	croak ("unable to initialize result pipe");
		652
		653	respipe_osf [0] = TO_SOCKET (respipe [0]);
		654	respipe_osf [1] = TO_SOCKET (respipe [1]);
		655	}
		656
		657	X_THREAD_PROC (aio_proc);
576		658
577	static void start_thread (void)	659	static void start_thread (void)
578	{	660	{
579	sigset_t fullsigset, oldsigset;
580	pthread_attr_t attr;
581
582	worker *wrk = calloc (1, sizeof (worker));	661	worker *wrk = calloc (1, sizeof (worker));
583		662
584	if (!wrk)	663	if (!wrk)
585	croak ("unable to allocate worker thread data");	664	croak ("unable to allocate worker thread data");
586		665
587	pthread_attr_init (&attr);
588	pthread_attr_setstacksize (&attr, STACKSIZE);
589	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
590	#ifdef PTHREAD_SCOPE_PROCESS
591	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
592	#endif
593
594	sigfillset (&fullsigset);
595
596	LOCK (wrklock);	666	X_LOCK (wrklock);
597	sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
598		667
599	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	668	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
600	{	669	{
601	wrk->prev = &wrk_first;	670	wrk->prev = &wrk_first;
602	wrk->next = wrk_first.next;	671	wrk->next = wrk_first.next;
603	wrk_first.next->prev = wrk;	672	wrk_first.next->prev = wrk;
604	wrk_first.next = wrk;	673	wrk_first.next = wrk;
605	++started;	674	++started;
606	}	675	}
607	else	676	else
608	free (wrk);	677	free (wrk);
609		678
610	sigprocmask (SIG_SETMASK, &oldsigset, 0);
611	UNLOCK (wrklock);	679	X_UNLOCK (wrklock);
612	}	680	}
613		681
614	static void maybe_start_thread ()	682	static void maybe_start_thread ()
615	{	683	{
616	if (get_nthreads () >= wanted)	684	if (get_nthreads () >= wanted)
…		…
623	start_thread ();	691	start_thread ();
624	}	692	}
625		693
626	static void req_send (aio_req req)	694	static void req_send (aio_req req)
627	{	695	{
		696	block_sig ();
		697
628	++nreqs;	698	++nreqs;
629		699
630	LOCK (reqlock);	700	X_LOCK (reqlock);
631	++nready;	701	++nready;
632	reqq_push (&req_queue, req);	702	reqq_push (&req_queue, req);
633	pthread_cond_signal (&reqwait);	703	X_COND_SIGNAL (reqwait);
634	UNLOCK (reqlock);	704	X_UNLOCK (reqlock);
		705
		706	unblock_sig ();
635		707
636	maybe_start_thread ();	708	maybe_start_thread ();
637	}	709	}
638		710
639	static void end_thread (void)	711	static void end_thread (void)
…		…
643	Newz (0, req, 1, aio_cb);	715	Newz (0, req, 1, aio_cb);
644		716
645	req->type = REQ_QUIT;	717	req->type = REQ_QUIT;
646	req->pri = PRI_MAX + PRI_BIAS;	718	req->pri = PRI_MAX + PRI_BIAS;
647		719
648	LOCK (reqlock);	720	X_LOCK (reqlock);
649	reqq_push (&req_queue, req);	721	reqq_push (&req_queue, req);
650	pthread_cond_signal (&reqwait);	722	X_COND_SIGNAL (reqwait);
651	UNLOCK (reqlock);	723	X_UNLOCK (reqlock);
652		724
653	LOCK (wrklock);	725	X_LOCK (wrklock);
654	--started;	726	--started;
655	UNLOCK (wrklock);	727	X_UNLOCK (wrklock);
656	}	728	}
657		729
658	static void set_max_idle (int nthreads)	730	static void set_max_idle (int nthreads)
659	{	731	{
660	if (WORDACCESS_UNSAFE) LOCK (reqlock);	732	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
661	max_idle = nthreads <= 0 ? 1 : nthreads;	733	max_idle = nthreads <= 0 ? 1 : nthreads;
662	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	734	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
663	}	735	}
664		736
665	static void min_parallel (int nthreads)	737	static void min_parallel (int nthreads)
666	{	738	{
667	if (wanted < nthreads)	739	if (wanted < nthreads)
…		…
682	fd_set rfd;	754	fd_set rfd;
683		755
684	while (nreqs)	756	while (nreqs)
685	{	757	{
686	int size;	758	int size;
687	if (WORDACCESS_UNSAFE) LOCK (reslock);	759	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
688	size = res_queue.size;	760	size = res_queue.size;
689	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	761	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
690		762
691	if (size)	763	if (size)
692	return;	764	return;
693		765
694	maybe_start_thread ();	766	maybe_start_thread ();
695		767
696	FD_ZERO(&rfd);	768	FD_ZERO (&rfd);
697	FD_SET(respipe [0], &rfd);	769	FD_SET (respipe [0], &rfd);
698		770
699	select (respipe [0] + 1, &rfd, 0, 0, 0);	771	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
700	}	772	}
701	}	773	}
702		774
703	static int poll_cb ()	775	static int poll_cb ()
704	{	776	{
…		…
710	aio_req req;	782	aio_req req;
711		783
712	if (max_poll_time)	784	if (max_poll_time)
713	gettimeofday (&tv_start, 0);	785	gettimeofday (&tv_start, 0);
714		786
		787	block_sig ();
		788
715	for (;;)	789	for (;;)
716	{	790	{
717	for (;;)	791	for (;;)
718	{	792	{
719	maybe_start_thread ();	793	maybe_start_thread ();
720		794
721	LOCK (reslock);	795	X_LOCK (reslock);
722	req = reqq_shift (&res_queue);	796	req = reqq_shift (&res_queue);
723		797
724	if (req)	798	if (req)
725	{	799	{
726	--npending;	800	--npending;
727		801
728	if (!res_queue.size)	802	if (!res_queue.size)
729	{	803	{
730	/* read any signals sent by the worker threads */	804	/* read any signals sent by the worker threads */
731	char buf [32];	805	char buf [4];
732	while (read (respipe [0], buf, 32) == 32)	806	while (respipe_read (respipe [0], buf, 4) == 4)
733	;	807	;
734	}	808	}
735	}	809	}
736		810
737	UNLOCK (reslock);	811	X_UNLOCK (reslock);
738		812
739	if (!req)	813	if (!req)
740	break;	814	break;
741		815
742	--nreqs;	816	--nreqs;
…		…
746	req->int1 = 1; /* mark request as delayed */	820	req->int1 = 1; /* mark request as delayed */
747	continue;	821	continue;
748	}	822	}
749	else	823	else
750	{	824	{
751	req_invoke (req);	825	if (!req_invoke (req))
		826	{
		827	req_destroy (req);
		828	unblock_sig ();
		829	croak (0);
		830	}
752		831
753	count++;	832	count++;
754	}	833	}
755		834
756	req_free (req);	835	req_destroy (req);
757		836
758	if (maxreqs && !--maxreqs)	837	if (maxreqs && !--maxreqs)
759	break;	838	break;
760		839
761	if (max_poll_time)	840	if (max_poll_time)
…		…
773	poll_wait ();	852	poll_wait ();
774		853
775	++maxreqs;	854	++maxreqs;
776	}	855	}
777		856
		857	unblock_sig ();
778	return count;	858	return count;
779	}
780
781	static void create_pipe ()
782	{
783	if (pipe (respipe))
784	croak ("unable to initialize result pipe");
785
786	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
787	croak ("cannot set result pipe to nonblocking mode");
788
789	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
790	croak ("cannot set result pipe to nonblocking mode");
791	}	859	}
792		860
793	/*****************************************************************************/	861	/*****************************************************************************/
794	/* work around various missing functions */	862	/* work around various missing functions */
795		863
…		…
800	/*	868	/*
801	* make our pread/pwrite safe against themselves, but not against	869	* make our pread/pwrite safe against themselves, but not against
802	* normal read/write by using a mutex. slows down execution a lot,	870	* normal read/write by using a mutex. slows down execution a lot,
803	* but that's your problem, not mine.	871	* but that's your problem, not mine.
804	*/	872	*/
805	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	873	static mutex_t preadwritelock = X_MUTEX_INIT;
806		874
807	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)	875	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
808	{	876	{
809	ssize_t res;	877	ssize_t res;
810	off_t ooffset;	878	off_t ooffset;
811		879
812	LOCK (preadwritelock);	880	X_LOCK (preadwritelock);
813	ooffset = lseek (fd, 0, SEEK_CUR);	881	ooffset = lseek (fd, 0, SEEK_CUR);
814	lseek (fd, offset, SEEK_SET);	882	lseek (fd, offset, SEEK_SET);
815	res = read (fd, buf, count);	883	res = read (fd, buf, count);
816	lseek (fd, ooffset, SEEK_SET);	884	lseek (fd, ooffset, SEEK_SET);
817	UNLOCK (preadwritelock);	885	X_UNLOCK (preadwritelock);
818		886
819	return res;	887	return res;
820	}	888	}
821		889
822	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)	890	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
823	{	891	{
824	ssize_t res;	892	ssize_t res;
825	off_t ooffset;	893	off_t ooffset;
826		894
827	LOCK (preadwritelock);	895	X_LOCK (preadwritelock);
828	ooffset = lseek (fd, 0, SEEK_CUR);	896	ooffset = lseek (fd, 0, SEEK_CUR);
829	lseek (fd, offset, SEEK_SET);	897	lseek (fd, offset, SEEK_SET);
830	res = write (fd, buf, count);	898	res = write (fd, buf, count);
831	lseek (fd, offset, SEEK_SET);	899	lseek (fd, offset, SEEK_SET);
832	UNLOCK (preadwritelock);	900	X_UNLOCK (preadwritelock);
833		901
834	return res;	902	return res;
835	}	903	}
		904	#endif
		905
		906	#ifndef HAVE_FUTIMES
		907
		908	# define utimes(path,times) aio_utimes (path, times)
		909	# define futimes(fd,times) aio_futimes (fd, times)
		910
		911	int aio_utimes (const char *filename, const struct timeval times[2])
		912	{
		913	if (times)
		914	{
		915	struct utimbuf buf;
		916
		917	buf.actime = times[0].tv_sec;
		918	buf.modtime = times[1].tv_sec;
		919
		920	return utime (filename, &buf);
		921	}
		922	else
		923	return utime (filename, 0);
		924	}
		925
		926	int aio_futimes (int fd, const struct timeval tv[2])
		927	{
		928	errno = ENOSYS;
		929	return -1;
		930	}
		931
836	#endif	932	#endif
837		933
838	#if !HAVE_FDATASYNC	934	#if !HAVE_FDATASYNC
839	# define fdatasync fsync	935	# define fdatasync fsync
840	#endif	936	#endif
…		…
842	#if !HAVE_READAHEAD	938	#if !HAVE_READAHEAD
843	# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)	939	# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)
844		940
845	static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self)	941	static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self)
846	{	942	{
		943	size_t todo = count;
847	dBUF;	944	dBUF;
848		945
849	while (count > 0)	946	while (todo > 0)
850	{	947	{
851	size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE;	948	size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE;
852		949
853	pread (fd, aio_buf, len, offset);	950	pread (fd, aio_buf, len, offset);
854	offset += len;	951	offset += len;
855	count -= len;	952	todo -= len;
856	}	953	}
857		954
858	errno = 0;	955	errno = 0;
		956	return count;
859	}	957	}
860		958
861	#endif	959	#endif
862		960
863	#if !HAVE_READDIR_R	961	#if !HAVE_READDIR_R
864	# define readdir_r aio_readdir_r	962	# define readdir_r aio_readdir_r
865		963
866	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	964	static mutex_t readdirlock = X_MUTEX_INIT;
867		965
868	static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)	966	static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res)
869	{	967	{
870	struct dirent *e;	968	X_DIRENT *e;
871	int errorno;	969	int errorno;
872		970
873	LOCK (readdirlock);	971	X_LOCK (readdirlock);
874		972
875	e = readdir (dirp);	973	e = readdir (dirp);
876	errorno = errno;	974	errorno = errno;
877		975
878	if (e)	976	if (e)
…		…
881	strcpy (ent->d_name, e->d_name);	979	strcpy (ent->d_name, e->d_name);
882	}	980	}
883	else	981	else
884	*res = 0;	982	*res = 0;
885		983
886	UNLOCK (readdirlock);	984	X_UNLOCK (readdirlock);
887		985
888	errno = errorno;	986	errno = errorno;
889	return e ? 0 : -1;	987	return e ? 0 : -1;
890	}	988	}
891	#endif	989	#endif
…		…
987	static void scandir_ (aio_req req, worker *self)	1085	static void scandir_ (aio_req req, worker *self)
988	{	1086	{
989	DIR *dirp;	1087	DIR *dirp;
990	union	1088	union
991	{	1089	{
992	struct dirent d;	1090	X_DIRENT d;
993	char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];	1091	char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1];
994	} *u;	1092	} *u;
995	struct dirent *entp;	1093	X_DIRENT *entp;
996	char *name, *names;	1094	char *name, *names;
997	int memlen = 4096;	1095	int memlen = 4096;
998	int memofs = 0;	1096	int memofs = 0;
999	int res = 0;	1097	int res = 0;
1000	int errorno;
1001		1098
1002	LOCK (wrklock);	1099	X_LOCK (wrklock);
1003	self->dirp = dirp = opendir (req->ptr1);	1100	self->dirp = dirp = opendir (req->ptr1);
1004	self->dbuf = u = malloc (sizeof (*u));	1101	self->dbuf = u = malloc (sizeof (*u));
1005	req->flags |= FLAG_PTR2_FREE;	1102	req->flags |= FLAG_PTR2_FREE;
1006	req->ptr2 = names = malloc (memlen);	1103	req->ptr2 = names = malloc (memlen);
1007	UNLOCK (wrklock);	1104	X_UNLOCK (wrklock);
1008		1105
1009	if (dirp && u && names)	1106	if (dirp && u && names)
1010	for (;;)	1107	for (;;)
1011	{	1108	{
1012	errno = 0;	1109	errno = 0;
…		…
1024	res++;	1121	res++;
1025		1122
1026	while (memofs + len > memlen)	1123	while (memofs + len > memlen)
1027	{	1124	{
1028	memlen *= 2;	1125	memlen *= 2;
1029	LOCK (wrklock);	1126	X_LOCK (wrklock);
1030	req->ptr2 = names = realloc (names, memlen);	1127	req->ptr2 = names = realloc (names, memlen);
1031	UNLOCK (wrklock);	1128	X_UNLOCK (wrklock);
1032		1129
1033	if (!names)	1130	if (!names)
1034	break;	1131	break;
1035	}	1132	}
1036		1133
…		…
1045	req->result = res;	1142	req->result = res;
1046	}	1143	}
1047		1144
1048	/*****************************************************************************/	1145	/*****************************************************************************/
1049		1146
1050	static void *aio_proc (void *thr_arg)	1147	X_THREAD_PROC (aio_proc)
1051	{	1148	{
		1149	{//D
1052	aio_req req;	1150	aio_req req;
1053	struct timespec ts;	1151	struct timespec ts;
1054	worker *self = (worker *)thr_arg;	1152	worker *self = (worker *)thr_arg;
1055		1153
1056	/* try to distribute timeouts somewhat evenly */	1154	/* try to distribute timeouts somewhat randomly */
1057	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	1155	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
1058	* (1000000000UL / 1024UL);
1059		1156
1060	for (;;)	1157	for (;;)
1061	{	1158	{
1062	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1159	ts.tv_sec = time (0) + IDLE_TIMEOUT;
1063		1160
1064	LOCK (reqlock);	1161	X_LOCK (reqlock);
1065		1162
1066	for (;;)	1163	for (;;)
1067	{	1164	{
1068	self->req = req = reqq_shift (&req_queue);	1165	self->req = req = reqq_shift (&req_queue);
1069		1166
1070	if (req)	1167	if (req)
1071	break;	1168	break;
1072		1169
1073	++idle;	1170	++idle;
1074		1171
1075	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	1172	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
1076	== ETIMEDOUT)	1173	== ETIMEDOUT)
1077	{	1174	{
1078	if (idle > max_idle)	1175	if (idle > max_idle)
1079	{	1176	{
1080	--idle;	1177	--idle;
1081	UNLOCK (reqlock);	1178	X_UNLOCK (reqlock);
1082	LOCK (wrklock);	1179	X_LOCK (wrklock);
1083	--started;	1180	--started;
1084	UNLOCK (wrklock);	1181	X_UNLOCK (wrklock);
1085	goto quit;	1182	goto quit;
1086	}	1183	}
1087		1184
1088	/* we are allowed to idle, so do so without any timeout */	1185	/* we are allowed to idle, so do so without any timeout */
1089	pthread_cond_wait (&reqwait, &reqlock);	1186	X_COND_WAIT (reqwait, reqlock);
1090	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1187	ts.tv_sec = time (0) + IDLE_TIMEOUT;
1091	}	1188	}
1092		1189
1093	--idle;	1190	--idle;
1094	}	1191	}
1095		1192
1096	--nready;	1193	--nready;
1097		1194
1098	UNLOCK (reqlock);	1195	X_UNLOCK (reqlock);
1099		1196
1100	errno = 0; /* strictly unnecessary */	1197	errno = 0; /* strictly unnecessary */
1101		1198
1102	if (!(req->flags & FLAG_CANCELLED))	1199	if (!(req->flags & FLAG_CANCELLED))
1103	switch (req->type)	1200	switch (req->type)
1104	{	1201	{
1105	case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break;	1202	case REQ_READ: req->result = req->offs >= 0
1106	case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break;	1203	? pread (req->int1, req->ptr1, req->size, req->offs)
		1204	: read (req->int1, req->ptr1, req->size); break;
		1205	case REQ_WRITE: req->result = req->offs >= 0
		1206	? pwrite (req->int1, req->ptr1, req->size, req->offs)
		1207	: write (req->int1, req->ptr1, req->size); break;
1107		1208
1108	case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;	1209	case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
1109	case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;	1210	case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;
1110		1211
1111	case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;	1212	case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;
1112	case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;	1213	case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;
1113	case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;	1214	case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;
		1215
		1216	case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break;
		1217	case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;
		1218	case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break;
		1219	case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break;
		1220	case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break;
		1221	case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break;
1114		1222
1115	case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;	1223	case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;
1116	case REQ_CLOSE: req->result = close (req->int1); break;	1224	case REQ_CLOSE: req->result = close (req->int1); break;
1117	case REQ_UNLINK: req->result = unlink (req->ptr1); break;	1225	case REQ_UNLINK: req->result = unlink (req->ptr1); break;
1118	case REQ_RMDIR: req->result = rmdir (req->ptr1); break;	1226	case REQ_RMDIR: req->result = rmdir (req->ptr1); break;
		1227	case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break;
1119	case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;	1228	case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;
1120	case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;	1229	case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;
1121	case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;	1230	case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;
1122	case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break;	1231	case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break;
1123	case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;	1232	case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;
…		…
1125	case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;	1234	case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;
1126	case REQ_FSYNC: req->result = fsync (req->int1); break;	1235	case REQ_FSYNC: req->result = fsync (req->int1); break;
1127	case REQ_READDIR: scandir_ (req, self); break;	1236	case REQ_READDIR: scandir_ (req, self); break;
1128		1237
1129	case REQ_BUSY:	1238	case REQ_BUSY:
		1239	#ifdef _WIN32
		1240	Sleep (req->nv1 * 1000.);
		1241	#else
1130	{	1242	{
1131	struct timeval tv;	1243	struct timeval tv;
1132		1244
1133	tv.tv_sec = req->int1;	1245	tv.tv_sec = req->nv1;
1134	tv.tv_usec = req->int2;	1246	tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.;
1135		1247
1136	req->result = select (0, 0, 0, 0, &tv);	1248	req->result = select (0, 0, 0, 0, &tv);
		1249	}
		1250	#endif
		1251	break;
		1252
		1253	case REQ_UTIME:
		1254	case REQ_FUTIME:
		1255	{
		1256	struct timeval tv[2];
		1257	struct timeval *times;
		1258
		1259	if (req->nv1 != -1. || req->nv2 != -1.)
		1260	{
		1261	tv[0].tv_sec = req->nv1;
		1262	tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.;
		1263	tv[1].tv_sec = req->nv2;
		1264	tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.;
		1265
		1266	times = tv;
		1267	}
		1268	else
		1269	times = 0;
		1270
		1271
		1272	req->result = req->type == REQ_FUTIME
		1273	? futimes (req->int1, times)
		1274	: utimes (req->ptr1, times);
1137	}	1275	}
1138		1276
1139	case REQ_GROUP:	1277	case REQ_GROUP:
1140	case REQ_NOP:	1278	case REQ_NOP:
1141	break;	1279	break;
1142		1280
1143	case REQ_QUIT:	1281	case REQ_QUIT:
1144	goto quit;	1282	goto quit;
1145		1283
1146	default:	1284	default:
1147	req->result = ENOSYS;	1285	req->result = -1;
1148	break;	1286	break;
1149	}	1287	}
1150		1288
1151	req->errorno = errno;	1289	req->errorno = errno;
1152		1290
1153	LOCK (reslock);	1291	X_LOCK (reslock);
1154		1292
1155	++npending;	1293	++npending;
1156		1294
1157	if (!reqq_push (&res_queue, req))	1295	if (!reqq_push (&res_queue, req))
		1296	{
1158	/* write a dummy byte to the pipe so fh becomes ready */	1297	/* write a dummy byte to the pipe so fh becomes ready */
1159	write (respipe [1], &respipe, 1);	1298	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
		1299
		1300	/* optionally signal the main thread asynchronously */
		1301	if (main_sig)
		1302	pthread_kill (main_tid, main_sig);
		1303	}
1160		1304
1161	self->req = 0;	1305	self->req = 0;
1162	worker_clear (self);	1306	worker_clear (self);
1163		1307
1164	UNLOCK (reslock);	1308	X_UNLOCK (reslock);
1165	}	1309	}
1166		1310
1167	quit:	1311	quit:
1168	LOCK (wrklock);	1312	X_LOCK (wrklock);
1169	worker_free (self);	1313	worker_free (self);
1170	UNLOCK (wrklock);	1314	X_UNLOCK (wrklock);
1171		1315
1172	return 0;	1316	return 0;
		1317	}//D
1173	}	1318	}
1174		1319
1175	/*****************************************************************************/	1320	/*****************************************************************************/
1176		1321
1177	static void atfork_prepare (void)	1322	static void atfork_prepare (void)
1178	{	1323	{
1179	LOCK (wrklock);	1324	X_LOCK (wrklock);
1180	LOCK (reqlock);	1325	X_LOCK (reqlock);
1181	LOCK (reslock);	1326	X_LOCK (reslock);
1182	#if !HAVE_PREADWRITE	1327	#if !HAVE_PREADWRITE
1183	LOCK (preadwritelock);	1328	X_LOCK (preadwritelock);
1184	#endif	1329	#endif
1185	#if !HAVE_READDIR_R	1330	#if !HAVE_READDIR_R
1186	LOCK (readdirlock);	1331	X_LOCK (readdirlock);
1187	#endif	1332	#endif
1188	}	1333	}
1189		1334
1190	static void atfork_parent (void)	1335	static void atfork_parent (void)
1191	{	1336	{
1192	#if !HAVE_READDIR_R	1337	#if !HAVE_READDIR_R
1193	UNLOCK (readdirlock);	1338	X_UNLOCK (readdirlock);
1194	#endif	1339	#endif
1195	#if !HAVE_PREADWRITE	1340	#if !HAVE_PREADWRITE
1196	UNLOCK (preadwritelock);	1341	X_UNLOCK (preadwritelock);
1197	#endif	1342	#endif
1198	UNLOCK (reslock);	1343	X_UNLOCK (reslock);
1199	UNLOCK (reqlock);	1344	X_UNLOCK (reqlock);
1200	UNLOCK (wrklock);	1345	X_UNLOCK (wrklock);
1201	}	1346	}
1202		1347
1203	static void atfork_child (void)	1348	static void atfork_child (void)
1204	{	1349	{
1205	aio_req prv;	1350	aio_req prv;
1206		1351
1207	while (prv = reqq_shift (&req_queue))	1352	while (prv = reqq_shift (&req_queue))
1208	req_free (prv);	1353	req_destroy (prv);
1209		1354
1210	while (prv = reqq_shift (&res_queue))	1355	while (prv = reqq_shift (&res_queue))
1211	req_free (prv);	1356	req_destroy (prv);
1212		1357
1213	while (wrk_first.next != &wrk_first)	1358	while (wrk_first.next != &wrk_first)
1214	{	1359	{
1215	worker *wrk = wrk_first.next;	1360	worker *wrk = wrk_first.next;
1216		1361
1217	if (wrk->req)	1362	if (wrk->req)
1218	req_free (wrk->req);	1363	req_destroy (wrk->req);
1219		1364
1220	worker_clear (wrk);	1365	worker_clear (wrk);
1221	worker_free (wrk);	1366	worker_free (wrk);
1222	}	1367	}
1223		1368
…		…
1225	idle = 0;	1370	idle = 0;
1226	nreqs = 0;	1371	nreqs = 0;
1227	nready = 0;	1372	nready = 0;
1228	npending = 0;	1373	npending = 0;
1229		1374
1230	close (respipe [0]);	1375	respipe_close (respipe [0]);
1231	close (respipe [1]);	1376	respipe_close (respipe [1]);
		1377
1232	create_pipe ();	1378	create_pipe (respipe);
1233		1379
1234	atfork_parent ();	1380	atfork_parent ();
1235	}	1381	}
1236		1382
1237	#define dREQ \	1383	#define dREQ \
…		…
1266	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	1412	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
1267	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	1413	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
1268	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	1414	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
1269	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	1415	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
1270	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	1416	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
		1417	#ifdef _WIN32
		1418	X_MUTEX_CHECK (wrklock);
		1419	X_MUTEX_CHECK (reslock);
		1420	X_MUTEX_CHECK (reqlock);
		1421	X_MUTEX_CHECK (reqwait);
		1422	X_MUTEX_CHECK (preadwritelock);
		1423	X_MUTEX_CHECK (readdirlock);
		1424
		1425	X_COND_CHECK (reqwait);
		1426	#else
1271	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	1427	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
		1428	newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));
		1429	#endif
1272		1430
1273	create_pipe ();	1431	create_pipe (respipe);
		1432
1274	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1433	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1275	}	1434	}
1276		1435
1277	void	1436	void
1278	max_poll_reqs (int nreqs)	1437	max_poll_reqs (int nreqs)
1279	PROTOTYPE: $	1438	PROTOTYPE: $
…		…
1308	max_outstanding = maxreqs;	1467	max_outstanding = maxreqs;
1309	OUTPUT:	1468	OUTPUT:
1310	RETVAL	1469	RETVAL
1311		1470
1312	void	1471	void
1313	aio_open (pathname,flags,mode,callback=&PL_sv_undef)	1472	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
1314	SV * pathname
1315	int flags
1316	int mode
1317	SV * callback
1318	PROTOTYPE: $$$;$	1473	PROTOTYPE: $$$;$
1319	PPCODE:	1474	PPCODE:
1320	{	1475	{
1321	dREQ;	1476	dREQ;
1322		1477
1323	req->type = REQ_OPEN;	1478	req->type = REQ_OPEN;
1324	req->sv1 = newSVsv (pathname);	1479	req->sv1 = newSVsv (pathname);
1325	req->ptr1 = SvPVbyte_nolen (pathname);	1480	req->ptr1 = SvPVbyte_nolen (req->sv1);
1326	req->int1 = flags;	1481	req->int1 = flags;
1327	req->mode = mode;	1482	req->mode = mode;
1328		1483
1329	REQ_SEND;	1484	REQ_SEND;
1330	}	1485	}
1331		1486
1332	void	1487	void
1333	aio_close (fh,callback=&PL_sv_undef)	1488	aio_close (SV *fh, SV *callback=&PL_sv_undef)
1334	SV * fh
1335	SV * callback
1336	PROTOTYPE: $;$	1489	PROTOTYPE: $;$
1337	ALIAS:	1490	ALIAS:
1338	aio_close = REQ_CLOSE	1491	aio_close = REQ_CLOSE
1339	aio_fsync = REQ_FSYNC	1492	aio_fsync = REQ_FSYNC
1340	aio_fdatasync = REQ_FDATASYNC	1493	aio_fdatasync = REQ_FDATASYNC
1341	PPCODE:	1494	PPCODE:
1342	{	1495	{
1343	dREQ;	1496	dREQ;
1344		1497
1345	req->type = ix;	1498	req->type = ix;
1346	req->fh = newSVsv (fh);	1499	req->sv1 = newSVsv (fh);
1347	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1500	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1348		1501
1349	REQ_SEND (req);	1502	REQ_SEND (req);
1350	}	1503	}
1351		1504
1352	void	1505	void
1353	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1506	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1354	SV * fh
1355	UV offset
1356	UV length
1357	SV * data
1358	UV dataoffset
1359	SV * callback
1360	ALIAS:	1507	ALIAS:
1361	aio_read = REQ_READ	1508	aio_read = REQ_READ
1362	aio_write = REQ_WRITE	1509	aio_write = REQ_WRITE
1363	PROTOTYPE: $$$$$;$	1510	PROTOTYPE: $$$$$;$
1364	PPCODE:	1511	PPCODE:
1365	{	1512	{
1366	STRLEN svlen;	1513	STRLEN svlen;
1367	char *svptr = SvPVbyte (data, svlen);	1514	char *svptr = SvPVbyte (data, svlen);
		1515	UV len = SvUV (length);
1368		1516
1369	SvUPGRADE (data, SVt_PV);	1517	SvUPGRADE (data, SVt_PV);
1370	SvPOK_on (data);	1518	SvPOK_on (data);
1371		1519
1372	if (dataoffset < 0)	1520	if (dataoffset < 0)
1373	dataoffset += svlen;	1521	dataoffset += svlen;
1374		1522
1375	if (dataoffset < 0 || dataoffset > svlen)	1523	if (dataoffset < 0 || dataoffset > svlen)
1376	croak ("data offset outside of string");	1524	croak ("dataoffset outside of data scalar");
1377		1525
1378	if (ix == REQ_WRITE)	1526	if (ix == REQ_WRITE)
1379	{	1527	{
1380	/* write: check length and adjust. */	1528	/* write: check length and adjust. */
1381	if (length < 0 || length + dataoffset > svlen)	1529	if (!SvOK (length) || len + dataoffset > svlen)
1382	length = svlen - dataoffset;	1530	len = svlen - dataoffset;
1383	}	1531	}
1384	else	1532	else
1385	{	1533	{
1386	/* read: grow scalar as necessary */	1534	/* read: grow scalar as necessary */
1387	svptr = SvGROW (data, length + dataoffset);	1535	svptr = SvGROW (data, len + dataoffset + 1);
1388	}	1536	}
1389		1537
1390	if (length < 0)	1538	if (len < 0)
1391	croak ("length must not be negative");	1539	croak ("length must not be negative");
1392		1540
1393	{	1541	{
1394	dREQ;	1542	dREQ;
1395		1543
1396	req->type = ix;	1544	req->type = ix;
1397	req->fh = newSVsv (fh);	1545	req->sv1 = newSVsv (fh);
1398	req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))	1546	req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
1399	: IoOFP (sv_2io (fh)));	1547	: IoOFP (sv_2io (fh)));
1400	req->offs = offset;	1548	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1401	req->size = length;	1549	req->size = len;
1402	req->sv1 = SvREFCNT_inc (data);	1550	req->sv2 = SvREFCNT_inc (data);
1403	req->ptr1 = (char *)svptr + dataoffset;	1551	req->ptr1 = (char *)svptr + dataoffset;
1404	req->stroffset = dataoffset;	1552	req->stroffset = dataoffset;
1405		1553
1406	if (!SvREADONLY (data))	1554	if (!SvREADONLY (data))
1407	{	1555	{
1408	SvREADONLY_on (data);	1556	SvREADONLY_on (data);
1409	req->flags |= FLAG_SV1_RO_OFF;	1557	req->flags |= FLAG_SV2_RO_OFF;
1410	}	1558	}
1411		1559
1412	REQ_SEND;	1560	REQ_SEND;
1413	}	1561	}
1414	}	1562	}
1415		1563
1416	void	1564	void
1417	aio_readlink (path,callback=&PL_sv_undef)	1565	aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
1418	SV * path
1419	SV * callback
1420	PROTOTYPE: $$;$	1566	PROTOTYPE: $$;$
1421	PPCODE:	1567	PPCODE:
1422	{	1568	{
1423	SV *data;	1569	SV *data;
1424	dREQ;	1570	dREQ;
1425		1571
1426	data = newSV (NAME_MAX);	1572	data = newSV (NAME_MAX);
1427	SvPOK_on (data);	1573	SvPOK_on (data);
1428		1574
1429	req->type = REQ_READLINK;	1575	req->type = REQ_READLINK;
1430	req->fh = newSVsv (path);	1576	req->sv1 = newSVsv (path);
1431	req->ptr2 = SvPVbyte_nolen (path);	1577	req->ptr2 = SvPVbyte_nolen (req->sv1);
1432	req->sv1 = data;	1578	req->sv2 = data;
1433	req->ptr1 = SvPVbyte_nolen (data);	1579	req->ptr1 = SvPVbyte_nolen (data);
1434		1580
1435	REQ_SEND;	1581	REQ_SEND;
1436	}	1582	}
1437		1583
1438	void	1584	void
1439	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1585	aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)
1440	SV * out_fh
1441	SV * in_fh
1442	UV in_offset
1443	UV length
1444	SV * callback
1445	PROTOTYPE: $$$$;$	1586	PROTOTYPE: $$$$;$
1446	PPCODE:	1587	PPCODE:
1447	{	1588	{
1448	dREQ;	1589	dREQ;
1449		1590
1450	req->type = REQ_SENDFILE;	1591	req->type = REQ_SENDFILE;
1451	req->fh = newSVsv (out_fh);	1592	req->sv1 = newSVsv (out_fh);
1452	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1593	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
1453	req->sv2 = newSVsv (in_fh);	1594	req->sv2 = newSVsv (in_fh);
1454	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1595	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
1455	req->offs = in_offset;	1596	req->offs = SvVAL64 (in_offset);
1456	req->size = length;	1597	req->size = length;
1457		1598
1458	REQ_SEND;	1599	REQ_SEND;
1459	}	1600	}
1460		1601
1461	void	1602	void
1462	aio_readahead (fh,offset,length,callback=&PL_sv_undef)	1603	aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)
1463	SV * fh
1464	UV offset
1465	IV length
1466	SV * callback
1467	PROTOTYPE: $$$;$	1604	PROTOTYPE: $$$;$
1468	PPCODE:	1605	PPCODE:
1469	{	1606	{
1470	dREQ;	1607	dREQ;
1471		1608
1472	req->type = REQ_READAHEAD;	1609	req->type = REQ_READAHEAD;
1473	req->fh = newSVsv (fh);	1610	req->sv1 = newSVsv (fh);
1474	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1611	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1475	req->offs = offset;	1612	req->offs = SvVAL64 (offset);
1476	req->size = length;	1613	req->size = length;
1477		1614
1478	REQ_SEND;	1615	REQ_SEND;
1479	}	1616	}
1480		1617
1481	void	1618	void
1482	aio_stat (fh_or_path,callback=&PL_sv_undef)	1619	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
1483	SV * fh_or_path
1484	SV * callback
1485	ALIAS:	1620	ALIAS:
1486	aio_stat = REQ_STAT	1621	aio_stat = REQ_STAT
1487	aio_lstat = REQ_LSTAT	1622	aio_lstat = REQ_LSTAT
1488	PPCODE:	1623	PPCODE:
1489	{	1624	{
1490	dREQ;	1625	dREQ;
1491		1626
1492	req->ptr2 = malloc (sizeof (Stat_t));	1627	req->ptr2 = malloc (sizeof (Stat_t));
1493	if (!req->ptr2)	1628	if (!req->ptr2)
1494	{	1629	{
1495	req_free (req);	1630	req_destroy (req);
1496	croak ("out of memory during aio_req statdata allocation");	1631	croak ("out of memory during aio_stat statdata allocation");
1497	}	1632	}
1498		1633
1499	req->flags |= FLAG_PTR2_FREE;	1634	req->flags |= FLAG_PTR2_FREE;
		1635	req->sv1 = newSVsv (fh_or_path);
1500		1636
1501	if (SvPOK (fh_or_path))	1637	if (SvPOK (fh_or_path))
1502	{	1638	{
1503	req->type = ix;	1639	req->type = ix;
1504	req->sv1 = newSVsv (fh_or_path);
1505	req->ptr1 = SvPVbyte_nolen (fh_or_path);	1640	req->ptr1 = SvPVbyte_nolen (req->sv1);
1506	}	1641	}
1507	else	1642	else
1508	{	1643	{
1509	req->type = REQ_FSTAT;	1644	req->type = REQ_FSTAT;
1510	req->fh = newSVsv (fh_or_path);
1511	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1645	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1512	}	1646	}
1513		1647
1514	REQ_SEND;	1648	REQ_SEND;
1515	}	1649	}
1516		1650
1517	void	1651	void
		1652	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
		1653	PPCODE:
		1654	{
		1655	dREQ;
		1656
		1657	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
		1658	req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
		1659	req->sv1 = newSVsv (fh_or_path);
		1660
		1661	if (SvPOK (fh_or_path))
		1662	{
		1663	req->type = REQ_UTIME;
		1664	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1665	}
		1666	else
		1667	{
		1668	req->type = REQ_FUTIME;
		1669	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1670	}
		1671
		1672	REQ_SEND;
		1673	}
		1674
		1675	void
		1676	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
		1677	PPCODE:
		1678	{
		1679	dREQ;
		1680
		1681	req->sv1 = newSVsv (fh_or_path);
		1682	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
		1683
		1684	if (SvPOK (fh_or_path))
		1685	{
		1686	req->type = REQ_TRUNCATE;
		1687	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1688	}
		1689	else
		1690	{
		1691	req->type = REQ_FTRUNCATE;
		1692	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1693	}
		1694
		1695	REQ_SEND;
		1696	}
		1697
		1698	void
		1699	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
		1700	PPCODE:
		1701	{
		1702	dREQ;
		1703
		1704	req->mode = mode;
		1705	req->sv1 = newSVsv (fh_or_path);
		1706
		1707	if (SvPOK (fh_or_path))
		1708	{
		1709	req->type = REQ_CHMOD;
		1710	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1711	}
		1712	else
		1713	{
		1714	req->type = REQ_FCHMOD;
		1715	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1716	}
		1717
		1718	REQ_SEND;
		1719	}
		1720
		1721	void
		1722	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)
		1723	PPCODE:
		1724	{
		1725	dREQ;
		1726
		1727	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
		1728	req->int3 = SvOK (gid) ? SvIV (gid) : -1;
		1729	req->sv1 = newSVsv (fh_or_path);
		1730
		1731	if (SvPOK (fh_or_path))
		1732	{
		1733	req->type = REQ_CHOWN;
		1734	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1735	}
		1736	else
		1737	{
		1738	req->type = REQ_FCHOWN;
		1739	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
		1740	}
		1741
		1742	REQ_SEND;
		1743	}
		1744
		1745	void
1518	aio_unlink (pathname,callback=&PL_sv_undef)	1746	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1519	SV * pathname
1520	SV * callback
1521	ALIAS:	1747	ALIAS:
1522	aio_unlink = REQ_UNLINK	1748	aio_unlink = REQ_UNLINK
1523	aio_rmdir = REQ_RMDIR	1749	aio_rmdir = REQ_RMDIR
1524	aio_readdir = REQ_READDIR	1750	aio_readdir = REQ_READDIR
1525	PPCODE:	1751	PPCODE:
1526	{	1752	{
1527	dREQ;	1753	dREQ;
1528		1754
1529	req->type = ix;	1755	req->type = ix;
1530	req->sv1 = newSVsv (pathname);	1756	req->sv1 = newSVsv (pathname);
1531	req->ptr1 = SvPVbyte_nolen (pathname);	1757	req->ptr1 = SvPVbyte_nolen (req->sv1);
1532		1758
1533	REQ_SEND;	1759	REQ_SEND;
1534	}	1760	}
1535		1761
1536	void	1762	void
		1763	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
		1764	PPCODE:
		1765	{
		1766	dREQ;
		1767
		1768	req->type = REQ_MKDIR;
		1769	req->sv1 = newSVsv (pathname);
		1770	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1771	req->mode = mode;
		1772
		1773	REQ_SEND;
		1774	}
		1775
		1776	void
1537	aio_link (oldpath,newpath,callback=&PL_sv_undef)	1777	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)
1538	SV * oldpath
1539	SV * newpath
1540	SV * callback
1541	ALIAS:	1778	ALIAS:
1542	aio_link = REQ_LINK	1779	aio_link = REQ_LINK
1543	aio_symlink = REQ_SYMLINK	1780	aio_symlink = REQ_SYMLINK
1544	aio_rename = REQ_RENAME	1781	aio_rename = REQ_RENAME
1545	PPCODE:	1782	PPCODE:
1546	{	1783	{
1547	dREQ;	1784	dREQ;
1548		1785
1549	req->type = ix;	1786	req->type = ix;
1550	req->fh = newSVsv (oldpath);	1787	req->sv2 = newSVsv (oldpath);
1551	req->ptr2 = SvPVbyte_nolen (req->fh);	1788	req->ptr2 = SvPVbyte_nolen (req->sv2);
1552	req->sv1 = newSVsv (newpath);	1789	req->sv1 = newSVsv (newpath);
1553	req->ptr1 = SvPVbyte_nolen (newpath);	1790	req->ptr1 = SvPVbyte_nolen (req->sv1);
1554		1791
1555	REQ_SEND;	1792	REQ_SEND;
1556	}	1793	}
1557		1794
1558	void	1795	void
1559	aio_mknod (pathname,mode,dev,callback=&PL_sv_undef)	1796	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)
1560	SV * pathname
1561	SV * callback
1562	UV mode
1563	UV dev
1564	PPCODE:	1797	PPCODE:
1565	{	1798	{
1566	dREQ;	1799	dREQ;
1567		1800
1568	req->type = REQ_MKNOD;	1801	req->type = REQ_MKNOD;
1569	req->sv1 = newSVsv (pathname);	1802	req->sv1 = newSVsv (pathname);
1570	req->ptr1 = SvPVbyte_nolen (pathname);	1803	req->ptr1 = SvPVbyte_nolen (req->sv1);
1571	req->mode = (mode_t)mode;	1804	req->mode = (mode_t)mode;
1572	req->offs = dev;	1805	req->offs = dev;
1573		1806
1574	REQ_SEND;	1807	REQ_SEND;
1575	}	1808	}
1576		1809
1577	void	1810	void
1578	aio_busy (delay,callback=&PL_sv_undef)	1811	aio_busy (double delay, SV *callback=&PL_sv_undef)
1579	double delay
1580	SV * callback
1581	PPCODE:	1812	PPCODE:
1582	{	1813	{
1583	dREQ;	1814	dREQ;
1584		1815
1585	req->type = REQ_BUSY;	1816	req->type = REQ_BUSY;
1586	req->int1 = delay < 0. ? 0 : delay;	1817	req->nv1 = delay < 0. ? 0. : delay;
1587	req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1);
1588		1818
1589	REQ_SEND;	1819	REQ_SEND;
1590	}	1820	}
1591		1821
1592	void	1822	void
1593	aio_group (callback=&PL_sv_undef)	1823	aio_group (SV *callback=&PL_sv_undef)
1594	SV * callback
1595	PROTOTYPE: ;$	1824	PROTOTYPE: ;$
1596	PPCODE:	1825	PPCODE:
1597	{	1826	{
1598	dREQ;	1827	dREQ;
1599		1828
…		…
1602	req_send (req);	1831	req_send (req);
1603	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1832	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1604	}	1833	}
1605		1834
1606	void	1835	void
1607	aio_nop (callback=&PL_sv_undef)	1836	aio_nop (SV *callback=&PL_sv_undef)
1608	SV * callback
1609	PPCODE:	1837	PPCODE:
1610	{	1838	{
1611	dREQ;	1839	dREQ;
1612		1840
1613	req->type = REQ_NOP;	1841	req->type = REQ_NOP;
…		…
1642	PROTOTYPE:	1870	PROTOTYPE:
1643	CODE:	1871	CODE:
1644	while (nreqs)	1872	while (nreqs)
1645	{	1873	{
1646	poll_wait ();	1874	poll_wait ();
1647	poll_cb (0);	1875	poll_cb ();
1648	}	1876	}
1649		1877
1650	void	1878	int
1651	poll()	1879	poll()
1652	PROTOTYPE:	1880	PROTOTYPE:
1653	CODE:	1881	CODE:
1654	if (nreqs)
1655	{
1656	poll_wait ();	1882	poll_wait ();
1657	poll_cb (0);	1883	RETVAL = poll_cb ();
1658	}	1884	OUTPUT:
		1885	RETVAL
1659		1886
1660	int	1887	int
1661	poll_fileno()	1888	poll_fileno()
1662	PROTOTYPE:	1889	PROTOTYPE:
1663	CODE:	1890	CODE:
…		…
1675		1902
1676	void	1903	void
1677	poll_wait()	1904	poll_wait()
1678	PROTOTYPE:	1905	PROTOTYPE:
1679	CODE:	1906	CODE:
1680	if (nreqs)
1681	poll_wait ();	1907	poll_wait ();
		1908
		1909	void
		1910	setsig (int signum = SIGIO)
		1911	PROTOTYPE: ;$
		1912	CODE:
		1913	{
		1914	if (block_sig_level)
		1915	croak ("cannot call IO::AIO::setsig from within aio_block/callback");
		1916
		1917	X_LOCK (reslock);
		1918	main_tid = pthread_self ();
		1919	main_sig = signum;
		1920	X_UNLOCK (reslock);
		1921
		1922	if (main_sig && npending)
		1923	pthread_kill (main_tid, main_sig);
		1924	}
		1925
		1926	void
		1927	aio_block (SV *cb)
		1928	PROTOTYPE: &
		1929	PPCODE:
		1930	{
		1931	int count;
		1932
		1933	block_sig ();
		1934	PUSHMARK (SP);
		1935	PUTBACK;
		1936	count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL);
		1937	SPAGAIN;
		1938	unblock_sig ();
		1939
		1940	if (SvTRUE (ERRSV))
		1941	croak (0);
		1942
		1943	XSRETURN (count);
		1944	}
1682		1945
1683	int	1946	int
1684	nreqs()	1947	nreqs()
1685	PROTOTYPE:	1948	PROTOTYPE:
1686	CODE:	1949	CODE:
…		…
1706		1969
1707	int	1970	int
1708	nthreads()	1971	nthreads()
1709	PROTOTYPE:	1972	PROTOTYPE:
1710	CODE:	1973	CODE:
1711	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1974	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1712	RETVAL = started;	1975	RETVAL = started;
1713	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1976	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1714	OUTPUT:	1977	OUTPUT:
1715	RETVAL	1978	RETVAL
1716		1979
1717	PROTOTYPES: DISABLE	1980	PROTOTYPES: DISABLE
1718		1981
…		…
1736	PPCODE:	1999	PPCODE:
1737	{	2000	{
1738	int i;	2001	int i;
1739	aio_req req;	2002	aio_req req;
1740		2003
		2004	if (main_sig && !block_sig_level)
		2005	croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use");
		2006
1741	if (grp->int1 == 2)	2007	if (grp->int1 == 2)
1742	croak ("cannot add requests to IO::AIO::GRP after the group finished");	2008	croak ("cannot add requests to IO::AIO::GRP after the group finished");
1743		2009
1744	for (i = 1; i < items; ++i )	2010	for (i = 1; i < items; ++i )
1745	{	2011	{

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