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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.11 by root, Wed Jul 20 21:55:27 2005 UTC vs.
Revision 1.16 by root, Sun Jul 31 18:20:07 2005 UTC

…		…
1	#define _XOPEN_SOURCE 500
2
3	#include "EXTERN.h"	1	#include "EXTERN.h"
4	#include "perl.h"	2	#include "perl.h"
5	#include "XSUB.h"	3	#include "XSUB.h"
		4
		5	#include "autoconf/config.h"
6		6
7	#include <sys/types.h>	7	#include <sys/types.h>
8	#include <sys/stat.h>	8	#include <sys/stat.h>
9		9
10	#include <unistd.h>	10	#include <unistd.h>
11	#include <fcntl.h>	11	#include <fcntl.h>
12	#include <signal.h>	12	#include <signal.h>
13	#include <sched.h>	13	#include <sched.h>
14	#if __linux
15	#include <sys/syscall.h>
16	#endif
17		14
18	#include <pthread.h>	15	#include <pthread.h>
19		16
20	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */	17	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */
21	typedef void OutputStream; / hack, but 5.6.1 is simply toooo old ;) */	18	typedef void OutputStream; / hack, but 5.6.1 is simply toooo old ;) */
44	off_t offset;	41	off_t offset;
45	size_t length;	42	size_t length;
46	ssize_t result;	43	ssize_t result;
47	mode_t mode; /* open */	44	mode_t mode; /* open */
48	int errorno;	45	int errorno;
49	SV data, callback;	46	SV data, callback, *fh;
50	void *dataptr;	47	void *dataptr;
51	STRLEN dataoffset;	48	STRLEN dataoffset;
52		49
53	Stat_t *statdata;	50	Stat_t *statdata;
54	} aio_cb;	51	} aio_cb;
…		…
84	poll_cb ()	81	poll_cb ()
85	{	82	{
86	dSP;	83	dSP;
87	int count = 0;	84	int count = 0;
88	aio_req req, prv;	85	aio_req req, prv;
89
90	static int rl;//D
91	//printf ("%d ENTER\n", ++rl);//D
92		86
93	pthread_mutex_lock (&reslock);	87	pthread_mutex_lock (&reslock);
94		88
95	{	89	{
96	/* read any signals sent by the worker threads */	90	/* read any signals sent by the worker threads */
…		…
105	pthread_mutex_unlock (&reslock);	99	pthread_mutex_unlock (&reslock);
106		100
107	while (req)	101	while (req)
108	{	102	{
109	nreqs--;	103	nreqs--;
110	//printf ("%d count %d %p->%p\n", rl, count, req, req->next);//D
111		104
112	if (req->type == REQ_QUIT)	105	if (req->type == REQ_QUIT)
113	started--;	106	started--;
114	else	107	else
115	{	108	{
…		…
121	+ req->result > 0 ? req->result : 0);	114	+ req->result > 0 ? req->result : 0);
122		115
123	if (req->data)	116	if (req->data)
124	SvREFCNT_dec (req->data);	117	SvREFCNT_dec (req->data);
125		118
		119	if (req->fh)
		120	SvREFCNT_dec (req->fh);
		121
126	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)	122	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
127	{	123	{
128	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	124	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
129	PL_laststatval = req->result;	125	PL_laststatval = req->result;
130	PL_statcache = *(req->statdata);	126	PL_statcache = *(req->statdata);
131		127
132	Safefree (req->statdata);	128	Safefree (req->statdata);
133	}	129	}
134		130
		131	ENTER;
135	PUSHMARK (SP);	132	PUSHMARK (SP);
136	XPUSHs (sv_2mortal (newSViv (req->result)));	133	XPUSHs (sv_2mortal (newSViv (req->result)));
137		134
138	if (req->type == REQ_OPEN)	135	if (req->type == REQ_OPEN)
139	{	136	{
…		…
142		139
143	PUTBACK;	140	PUTBACK;
144	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);	141	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
145	SPAGAIN;	142	SPAGAIN;
146		143
147	fh = POPs;	144	fh = SvREFCNT_inc (POPs);
148		145
149	PUSHMARK (SP);	146	PUSHMARK (SP);
150	XPUSHs (fh);	147	XPUSHs (sv_2mortal (fh));
151	}	148	}
152		149
153	if (SvOK (req->callback))	150	if (SvOK (req->callback))
154	{	151	{
155	PUTBACK;	152	PUTBACK;
156	call_sv (req->callback, G_VOID \| G_EVAL);	153	call_sv (req->callback, G_VOID \| G_EVAL);
157	SPAGAIN;	154	SPAGAIN;
158	}	155	}
		156
		157	LEAVE;
159		158
160	if (req->callback)	159	if (req->callback)
161	SvREFCNT_dec (req->callback);	160	SvREFCNT_dec (req->callback);
162		161
163	errno = errorno;	162	errno = errorno;
…		…
169	Safefree (prv);	168	Safefree (prv);
170		169
171	/* TODO: croak on errors? */	170	/* TODO: croak on errors? */
172	}	171	}
173		172
174	//printf ("%d LEAVE %p %p\n", rl--, ress, rese);//D
175	return count;	173	return count;
176	}	174	}
177		175
178	static void aio_proc(void arg);	176	static void aio_proc(void arg);
179		177
…		…
232	req->type = REQ_QUIT;	230	req->type = REQ_QUIT;
233		231
234	send_req (req);	232	send_req (req);
235	}	233	}
236		234
237	static void
238	read_write (int dowrite, int fd, off_t offset, size_t length,
239	SV data, STRLEN dataoffset, SV callback)
240	{
241	aio_req req;
242	STRLEN svlen;
243	char *svptr = SvPV (data, svlen);
244
245	SvUPGRADE (data, SVt_PV);
246	SvPOK_on (data);
247
248	if (dataoffset < 0)
249	dataoffset += svlen;
250
251	if (dataoffset < 0 \|\| dataoffset > svlen)
252	croak ("data offset outside of string");
253
254	if (dowrite)
255	{
256	/* write: check length and adjust. */
257	if (length < 0 \|\| length + dataoffset > svlen)
258	length = svlen - dataoffset;
259	}
260	else
261	{
262	/* read: grow scalar as necessary */
263	svptr = SvGROW (data, length + dataoffset);
264	}
265
266	if (length < 0)
267	croak ("length must not be negative");
268
269	Newz (0, req, 1, aio_cb);
270
271	if (!req)
272	croak ("out of memory during aio_req allocation");
273
274	req->type = dowrite ? REQ_WRITE : REQ_READ;
275	req->fd = fd;
276	req->offset = offset;
277	req->length = length;
278	req->data = SvREFCNT_inc (data);
279	req->dataptr = (char *)svptr + dataoffset;
280	req->callback = SvREFCNT_inc (callback);
281
282	send_req (req);
283	}
284
285	static void *	235	static void *
286	aio_proc (void *thr_arg)	236	aio_proc (void *thr_arg)
287	{	237	{
288	aio_req req;	238	aio_req req;
289	int type;	239	int type;
…		…
314		264
315	type = req->type;	265	type = req->type;
316		266
317	switch (type)	267	switch (type)
318	{	268	{
		269	#if HAVE_PREADWRITE
319	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	270	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
320	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	271	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
321	#if SYS_readahead	272	#else
		273	# error "pread/pwrite cannot be emulated, fix your os"
		274	#endif
		275
		276	#if HAVE_READAHEAD
322	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	277	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
323	#else	278	#else
		279	// TODO: emulate
324	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;	280	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
325	#endif	281	#endif
326		282
327	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	283	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
328	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	284	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
…		…
330		286
331	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	287	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
332	case REQ_CLOSE: req->result = close (req->fd); break;	288	case REQ_CLOSE: req->result = close (req->fd); break;
333	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	289	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
334		290
		291	case REQ_FDATASYNC:
		292	#if HAVE_FDATASYNC
		293	req->result = fdatasync (req->fd); break;
		294	#endif
335	case REQ_FSYNC: req->result = fsync (req->fd); break;	295	case REQ_FSYNC: req->result = fsync (req->fd); break;
336	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
337		296
338	case REQ_QUIT:	297	case REQ_QUIT:
339	break;	298	break;
340		299
341	default:	300	default:
…		…
447	send_req (req);	406	send_req (req);
448	}	407	}
449		408
450	void	409	void
451	aio_close(fh,callback=&PL_sv_undef)	410	aio_close(fh,callback=&PL_sv_undef)
452	InputStream fh	411	SV * fh
453	SV * callback	412	SV * callback
454	PROTOTYPE: $;$	413	PROTOTYPE: $;$
455	ALIAS:	414	ALIAS:
456	aio_close = REQ_CLOSE	415	aio_close = REQ_CLOSE
457	aio_fsync = REQ_FSYNC	416	aio_fsync = REQ_FSYNC
458	aio_fdatasync = REQ_FDATASYNC	417	aio_fdatasync = REQ_FDATASYNC
…		…
464		423
465	if (!req)	424	if (!req)
466	croak ("out of memory during aio_req allocation");	425	croak ("out of memory during aio_req allocation");
467		426
468	req->type = ix;	427	req->type = ix;
		428	req->fh = newSVsv (fh);
469	req->fd = PerlIO_fileno (fh);	429	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
470	req->callback = SvREFCNT_inc (callback);	430	req->callback = SvREFCNT_inc (callback);
471		431
472	send_req (req);	432	send_req (req);
473	}	433	}
474		434
475	void	435	void
476	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	436	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
477	InputStream fh	437	SV * fh
478	UV offset	438	UV offset
479	IV length	439	IV length
480	SV * data	440	SV * data
481	IV dataoffset	441	IV dataoffset
482	SV * callback	442	SV * callback
		443	ALIAS:
		444	aio_read = REQ_READ
		445	aio_write = REQ_WRITE
483	PROTOTYPE: $$$$$;$	446	PROTOTYPE: $$$$$;$
484	CODE:	447	CODE:
485	read_write (0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);	448	{
		449	aio_req req;
		450	STRLEN svlen;
		451	char *svptr = SvPV (data, svlen);
486		452
487	void	453	SvUPGRADE (data, SVt_PV);
488	aio_write(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	454	SvPOK_on (data);
489	OutputStream fh	455
490	UV offset	456	if (dataoffset < 0)
491	IV length	457	dataoffset += svlen;
492	SV * data	458
493	IV dataoffset	459	if (dataoffset < 0 \|\| dataoffset > svlen)
494	SV * callback	460	croak ("data offset outside of string");
495	PROTOTYPE: $$$$$;$	461
496	CODE:	462	if (ix == REQ_WRITE)
497	read_write (1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);	463	{
		464	/* write: check length and adjust. */
		465	if (length < 0 \|\| length + dataoffset > svlen)
		466	length = svlen - dataoffset;
		467	}
		468	else
		469	{
		470	/* read: grow scalar as necessary */
		471	svptr = SvGROW (data, length + dataoffset);
		472	}
		473
		474	if (length < 0)
		475	croak ("length must not be negative");
		476
		477	Newz (0, req, 1, aio_cb);
		478
		479	if (!req)
		480	croak ("out of memory during aio_req allocation");
		481
		482	req->type = ix;
		483	req->fh = newSVsv (fh);
		484	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
		485	: IoOFP (sv_2io (fh)));
		486	req->offset = offset;
		487	req->length = length;
		488	req->data = SvREFCNT_inc (data);
		489	req->dataptr = (char *)svptr + dataoffset;
		490	req->callback = SvREFCNT_inc (callback);
		491
		492	send_req (req);
		493	}
498		494
499	void	495	void
500	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	496	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
501	InputStream fh	497	SV * fh
502	UV offset	498	UV offset
503	IV length	499	IV length
504	SV * callback	500	SV * callback
505	PROTOTYPE: $$$;$	501	PROTOTYPE: $$$;$
506	CODE:	502	CODE:
507	{	503	{
508	aio_req req;	504	aio_req req;
509		505
…		…
514		510
515	if (!req)	511	if (!req)
516	croak ("out of memory during aio_req allocation");	512	croak ("out of memory during aio_req allocation");
517		513
518	req->type = REQ_READAHEAD;	514	req->type = REQ_READAHEAD;
		515	req->fh = newSVsv (fh);
519	req->fd = PerlIO_fileno (fh);	516	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
520	req->offset = offset;	517	req->offset = offset;
521	req->length = length;	518	req->length = length;
522	req->callback = SvREFCNT_inc (callback);	519	req->callback = SvREFCNT_inc (callback);
523		520
524	send_req (req);	521	send_req (req);
…		…
552	req->dataptr = SvPV_nolen (req->data);	549	req->dataptr = SvPV_nolen (req->data);
553	}	550	}
554	else	551	else
555	{	552	{
556	req->type = REQ_FSTAT;	553	req->type = REQ_FSTAT;
		554	req->fh = newSVsv (fh_or_path);
557	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	555	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
558	}	556	}
559		557
560	req->callback = SvREFCNT_inc (callback);	558	req->callback = SvREFCNT_inc (callback);
561		559

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.11 by root, Wed Jul 20 21:55:27 2005 UTC vs. Revision 1.16 by root, Sun Jul 31 18:20:07 2005 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.11 by root, Wed Jul 20 21:55:27 2005 UTC vs.
Revision 1.16 by root, Sun Jul 31 18:20:07 2005 UTC