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

Comparing Linux-AIO/AIO.xs (file contents):
Revision 1.24 by root, Sat Jul 2 13:16:33 2005 UTC vs.
Revision 1.30 by root, Sat Jul 9 23:38:07 2005 UTC

…		…
8	#include <sys/stat.h>	8	#include <sys/stat.h>
9	#include <unistd.h>	9	#include <unistd.h>
10	#include <fcntl.h>	10	#include <fcntl.h>
11	#include <signal.h>	11	#include <signal.h>
12	#include <sched.h>	12	#include <sched.h>
		13	#include <endian.h>
13		14
14	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */	15	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */
15	typedef void OutputStream; / hack, but 5.6.1 is simply toooo old ;) */	16	typedef void OutputStream; / hack, but 5.6.1 is simply toooo old ;) */
16	typedef void InOutStream; / hack, but 5.6.1 is simply toooo old ;) */	17	typedef void InOutStream; / hack, but 5.6.1 is simply toooo old ;) */
17		18
		19	#if __i386 \|\| __amd64
		20	# define STACKSIZE ( 256 * sizeof (long))
		21	#elif __ia64
18	#define STACKSIZE (128 * sizeof (long)) /* yeah */	22	# define STACKSIZE (8192 * sizeof (long))
		23	#else
		24	# define STACKSIZE ( 512 * sizeof (long))
		25	#endif
19		26
20	enum {	27	enum {
21	REQ_QUIT,	28	REQ_QUIT,
22	REQ_OPEN, REQ_CLOSE, REQ_READ, REQ_WRITE,	29	REQ_OPEN, REQ_CLOSE,
		30	REQ_READ, REQ_WRITE, REQ_READAHEAD,
23	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK	31	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,
		32	REQ_FSYNC, REQ_FDATASYNC,
24	};	33	};
25		34
26	typedef struct {	35	typedef struct {
27	char stack[STACKSIZE];	36	char stack[STACKSIZE];
28	} aio_thread;	37	} aio_thread;
…		…
62	aio_thread *thr;	71	aio_thread *thr;
63		72
64	New (0, thr, 1, aio_thread);	73	New (0, thr, 1, aio_thread);
65		74
66	if (clone (aio_proc,	75	if (clone (aio_proc,
67	&(thr->stack[STACKSIZE - sizeof (long)]),	76	&(thr->stack[STACKSIZE - 16]),
68	CLONE_VM\|CLONE_FS\|CLONE_FILES,	77	CLONE_VM\|CLONE_FS\|CLONE_FILES,
69	thr) >= 0)	78	thr) >= 0)
70	started++;	79	started++;
71	else	80	else
72	Safefree (thr);	81	Safefree (thr);
…		…
230		239
231	static sigset_t fullsigset;	240	static sigset_t fullsigset;
232		241
233	#undef errno	242	#undef errno
234	#include <asm/unistd.h>	243	#include <asm/unistd.h>
		244	#include <linux/types.h>
235	#include <sys/prctl.h>	245	#include <sys/prctl.h>
		246
		247	#if __alpha \|\| __ia64 \|\| __hppa \|\| __v850__
		248	# define stat kernelstat
		249	# define stat64 kernelstat64
		250	# include <asm/stat.h>
		251	# undef stat
		252	# undef stat64
		253	#else
		254	# define kernelstat stat
		255	# define kernelstat64 stat64
		256	#endif
236		257
237	#define COPY_STATDATA \	258	#define COPY_STATDATA \
238	req->statdata->st_dev = statdata.st_dev; \	259	req->statdata->st_dev = statdata.st_dev; \
239	req->statdata->st_ino = statdata.st_ino; \	260	req->statdata->st_ino = statdata.st_ino; \
240	req->statdata->st_mode = statdata.st_mode; \	261	req->statdata->st_mode = statdata.st_mode; \
…		…
256	aio_req req;	277	aio_req req;
257	int errno;	278	int errno;
258		279
259	/* this is very much kernel-specific :(:(:( */	280	/* this is very much kernel-specific :(:(:( */
260	/* we rely on gcc's ability to create closures. */	281	/* we rely on gcc's ability to create closures. */
261	_syscall3(int,read,int,fd,char *,buf,size_t,count)	282	_syscall3(__kernel_size_t, read , unsigned int, fd, char *, buf, __kernel_size_t, count)
262	_syscall3(int,write,int,fd,char *,buf,size_t,count)	283	_syscall3(__kernel_size_t, write, unsigned int, fd, char *, buf, __kernel_size_t, count)
263		284
264	_syscall3(int,open,char *,pathname,int,flags,mode_t,mode)	285	_syscall3(long, open, char *, pathname, int, flags, int, mode)
265	_syscall1(int,close,int,fd)	286	_syscall1(long, close, unsigned int, fd)
		287	_syscall1(long, unlink, char *, filename);
		288	_syscall1(long, fsync, unsigned int, fd);
266		289
267	#define arch64 (__ia64 \|\| __alpha)	290	#ifndef __NR_fdatasync
		291	# define __NR_fdatasync __NR_fsync
		292	#endif
		293	_syscall1(long, fdatasync, unsigned int, fd);
268		294
269	#ifdef __NR_pread64 && !arch64	295	#if BYTE_ORDER == LITTLE_ENDIAN
270	_syscall5(int,pread64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi)	296	# define LOFF_ARG(off) (off & 0xffffffff), (off >> 32)
271	_syscall5(int,pwrite64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi)	297	#elif BYTE_ORDER == BIG_ENDIAN
		298	# define LOFF_ARG(off) (off >> 32), (off & 0xffffffff)
		299	#endif
		300
272	#elif __NR_pread	301	#ifndef __NR_pread64
273	_syscall4(int,pread,int,fd,char *,buf,size_t,count,offset_t,offset)	302	# define __NR_pread64 __NR_pread
274	_syscall4(int,pwrite,int,fd,char *,buf,size_t,count,offset_t,offset)	303	# define __NR_pwrite64 __NR_write
275	#else
276	# error "neither pread nor pread64 defined"
277	#endif	304	#endif
		305	_syscall5(__kernel_ssize_t, pread64 , unsigned int, fd, char *, buf,
		306	__kernel_size_t, count, unsigned int, offset_lh, unsigned int, offset_hl)
		307	_syscall5(__kernel_ssize_t, pwrite64, unsigned int, fd, char *, buf,
		308	__kernel_size_t, count, unsigned int, offset_lh, unsigned int, offset_hl)
		309	_syscall4(long, readahead, unsigned int, fd, unsigned int, offset_lh, unsigned int, offset_hl, __kernel_size_t, count);
278		310
279		311	#if __NR_stat64
280	#ifdef __NR_stat64 && !arch64
281	_syscall2(int,stat64, const char , filename, struct stat64 , buf)	312	_syscall2(long, stat64 , const char , filename, struct kernelstat64 , buf)
282	_syscall2(int,lstat64, const char , filename, struct stat64 , buf)	313	_syscall2(long, lstat64, const char , filename, struct kernelstat64 , buf)
283	_syscall2(int,fstat64, int, fd, struct stat64 *, buf)	314	_syscall2(long, fstat64, int , fd , struct kernelstat64 *, buf)
284	#elif __NR_stat	315	#elif __NR_stat
285	_syscall2(int,stat, const char , filename, struct stat , buf)	316	_syscall2(long, stat , const char , filename, struct kernelstat , buf)
286	_syscall2(int,lstat, const char , filename, struct stat , buf)	317	_syscall2(long, lstat, const char , filename, struct kernelstat , buf)
287	_syscall2(int,fstat, int, fd, struct stat *, buf)	318	_syscall2(long, fstat, int , fd , struct kernelstat *, buf)
288	#else	319	#else
289	# error "neither stat64 nor stat defined"	320	# error "neither stat64 nor stat defined"
290	#endif	321	#endif
291		322
292	_syscall1(int,unlink, char *, filename);	323	/* the following two calls might clobber errno */
293
294	sigprocmask (SIG_SETMASK, &fullsigset, 0);	324	sigprocmask (SIG_SETMASK, &fullsigset, 0);
295	prctl (PR_SET_PDEATHSIG, SIGKILL);	325	prctl (PR_SET_PDEATHSIG, SIGKILL);
296		326
297	/* then loop */	327	/* then loop */
298	while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req))	328	while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req))
…		…
300	req->thread = thr;	330	req->thread = thr;
301	errno = 0; /* strictly unnecessary */	331	errno = 0; /* strictly unnecessary */
302		332
303	switch (req->type)	333	switch (req->type)
304	{	334	{
305	#ifdef __NR_pread64
306	case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); break;	335	case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, LOFF_ARG (req->offset)); break;
307	case REQ_WRITE: req->result = pwrite64(req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); break;	336	case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, LOFF_ARG (req->offset)); break;
		337	case REQ_READAHEAD: req->result = readahead (req->fd, LOFF_ARG (req->offset), req->length); break;
		338
		339	#if __NR_stat64
		340	struct kernelstat64 statdata;
		341	case REQ_STAT: req->result = stat64 (req->dataptr, &statdata); COPY_STATDATA; break;
		342	case REQ_LSTAT: req->result = lstat64 (req->dataptr, &statdata); COPY_STATDATA; break;
		343	case REQ_FSTAT: req->result = fstat64 (req->fd , &statdata); COPY_STATDATA; break;
308	#else	344	#else
309	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
310	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
311	#endif
312	#ifdef __NR_stat64
313	struct stat64 statdata;
314	case REQ_STAT: req->result = stat64 (req->dataptr, &statdata); COPY_STATDATA; break;
315	case REQ_LSTAT: req->result = lstat64 (req->dataptr, &statdata); COPY_STATDATA; break;
316	case REQ_FSTAT: req->result = fstat64 (req->fd, &statdata); COPY_STATDATA; break;
317	#else
318	struct stat statdata;	345	struct kernelstat statdata;
319	case REQ_STAT: req->result = stat (req->dataptr, &statdata); COPY_STATDATA; break;	346	case REQ_STAT: req->result = stat (req->dataptr, &statdata); COPY_STATDATA; break;
320	case REQ_LSTAT: req->result = lstat (req->dataptr, &statdata); COPY_STATDATA; break;	347	case REQ_LSTAT: req->result = lstat (req->dataptr, &statdata); COPY_STATDATA; break;
321	case REQ_FSTAT: req->result = fstat (req->fd, &statdata); COPY_STATDATA; break;	348	case REQ_FSTAT: req->result = fstat (req->fd , &statdata); COPY_STATDATA; break;
322	#endif	349	#endif
		350
323	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	351	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
324	case REQ_CLOSE: req->result = close (req->fd); break;	352	case REQ_CLOSE: req->result = close (req->fd); break;
325	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	353	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
		354
		355	case REQ_FSYNC: req->result = fsync (req->fd); break;
		356	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
326		357
327	case REQ_QUIT:	358	case REQ_QUIT:
328	default:
329	write (respipe[1], (void *)&req, sizeof (req));	359	write (respipe[1], (void *)&req, sizeof (req));
330	return 0;	360	return 0;
		361
		362	default:
		363	req->result = ENOSYS;
		364	break;
331	}	365	}
332		366
333	req->errorno = errno;	367	req->errorno = errno;
334	write (respipe[1], (void *)&req, sizeof (req));	368	write (respipe[1], (void *)&req, sizeof (req));
335	}	369	}
…		…
410	void	444	void
411	aio_close(fh,callback)	445	aio_close(fh,callback)
412	InputStream fh	446	InputStream fh
413	SV * callback	447	SV * callback
414	PROTOTYPE: $$	448	PROTOTYPE: $$
		449	ALIAS:
		450	aio_close = REQ_CLOSE
		451	aio_fsync = REQ_FSYNC
		452	aio_fdatasync = REQ_FDATASYNC
415	CODE:	453	CODE:
416	aio_req req;	454	aio_req req;
417		455
418	Newz (0, req, 1, aio_cb);	456	Newz (0, req, 1, aio_cb);
419		457
420	if (!req)	458	if (!req)
421	croak ("out of memory during aio_req allocation");	459	croak ("out of memory during aio_req allocation");
422		460
423	req->type = REQ_CLOSE;	461	req->type = ix;
424	req->fd = PerlIO_fileno (fh);	462	req->fd = PerlIO_fileno (fh);
425	req->callback = SvREFCNT_inc (callback);	463	req->callback = SvREFCNT_inc (callback);
426		464
427	send_req (req);	465	send_req (req);
428		466

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Comparing Linux-AIO/AIO.xs (file contents): Revision 1.24 by root, Sat Jul 2 13:16:33 2005 UTC vs. Revision 1.30 by root, Sat Jul 9 23:38:07 2005 UTC

Diff Legend

Comparing Linux-AIO/AIO.xs (file contents):
Revision 1.24 by root, Sat Jul 2 13:16:33 2005 UTC vs.
Revision 1.30 by root, Sat Jul 9 23:38:07 2005 UTC