ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Linux-AIO/AIO.xs
(Generate patch)

Comparing Linux-AIO/AIO.xs (file contents):
Revision 1.23 by root, Wed Jun 29 15:28:14 2005 UTC vs.
Revision 1.28 by root, Sat Jul 9 04:02:54 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
14typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ 15typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */
15typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ 16typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */
16typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ 17typedef 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
20enum { 27enum {
21 REQ_QUIT, 28 REQ_QUIT,
22 REQ_OPEN, REQ_CLOSE, REQ_READ, REQ_WRITE, 29 REQ_OPEN, REQ_CLOSE, REQ_READ, REQ_WRITE,
23 REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK 30 REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK
… …
62 aio_thread *thr; 69 aio_thread *thr;
63 70
64 New (0, thr, 1, aio_thread); 71 New (0, thr, 1, aio_thread);
65 72
66 if (clone (aio_proc, 73 if (clone (aio_proc,
67 &(thr->stack[STACKSIZE - sizeof (long)]), 74 &(thr->stack[STACKSIZE - 16]),
68 CLONE_VM|CLONE_FS|CLONE_FILES, 75 CLONE_VM|CLONE_FS|CLONE_FILES,
69 thr) >= 0) 76 thr) >= 0)
70 started++; 77 started++;
71 else 78 else
72 Safefree (thr); 79 Safefree (thr);
… …
230 237
231static sigset_t fullsigset; 238static sigset_t fullsigset;
232 239
233#undef errno 240#undef errno
234#include <asm/unistd.h> 241#include <asm/unistd.h>
242#include <linux/types.h>
235#include <sys/prctl.h> 243#include <sys/prctl.h>
244
245#if BYTE_ORDER == LITTLE_ENDIAN
246# define LONG_LONG_PAIR(HI, LO) LO, HI
247#elif BYTE_ORDER == BIG_ENDIAN
248# define LONG_LONG_PAIR(HI, LO) HI, LO
249#endif
250
251#if __alpha || __ia64 || __hppa || __v850__
252# define stat kernelstat
253# define stat64 kernelstat64
254# include <asm/stat.h>
255# undef stat
256# undef stat64
257#else
258# define kernelstat stat
259# define kernelstat64 stat64
260#endif
236 261
237#define COPY_STATDATA \ 262#define COPY_STATDATA \
238 req->statdata->st_dev = statdata.st_dev; \ 263 req->statdata->st_dev = statdata.st_dev; \
239 req->statdata->st_ino = statdata.st_ino; \ 264 req->statdata->st_ino = statdata.st_ino; \
240 req->statdata->st_mode = statdata.st_mode; \ 265 req->statdata->st_mode = statdata.st_mode; \
… …
256 aio_req req; 281 aio_req req;
257 int errno; 282 int errno;
258 283
259 /* this is very much kernel-specific :(:(:( */ 284 /* this is very much kernel-specific :(:(:( */
260 /* we rely on gcc's ability to create closures. */ 285 /* we rely on gcc's ability to create closures. */
261 _syscall3(int,read,int,fd,char *,buf,size_t,count) 286 _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) 287 _syscall3(__kernel_size_t,write,unsigned int,fd,char *,buf,__kernel_size_t,count)
263 288
264 _syscall3(int,open,char *,pathname,int,flags,mode_t,mode) 289 _syscall3(int,open,char *,pathname,int,flags,int,mode)
265 _syscall1(int,close,int,fd) 290 _syscall1(int,close,unsigned int,fd)
266 291
267#ifdef __NR_pread64 292#ifndef __NR_pread64
268 _syscall5(int,pread64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi) 293# define __NR_pread64 __NR_pread
269 _syscall5(int,pwrite64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi) 294# define __NR_pwrite64 __NR_write
270#elif __NR_pread
271 _syscall4(int,pread,int,fd,char *,buf,size_t,count,offset_t,offset)
272 _syscall4(int,pwrite,int,fd,char *,buf,size_t,count,offset_t,offset)
273#else
274# error "neither pread nor pread64 defined"
275#endif 295#endif
296 _syscall5(__kernel_ssize_t,pread64,unsigned int,fd,char *,buf,__kernel_size_t,count,unsigned int,offset_lh,unsigned int,offset_hl)
297 _syscall5(__kernel_ssize_t,pwrite64,unsigned int,fd,char *,buf,__kernel_size_t,count,unsigned int,offset_lh,unsigned int,offset_hl)
276 298
277
278#ifdef __NR_stat64 299#if __NR_stat64
279 _syscall2(int,stat64, const char *, filename, struct stat64 *, buf) 300 _syscall2(int,stat64, const char *, filename, struct kernelstat64 *, buf)
280 _syscall2(int,lstat64, const char *, filename, struct stat64 *, buf) 301 _syscall2(int,lstat64, const char *, filename, struct kernelstat64 *, buf)
281 _syscall2(int,fstat64, int, fd, struct stat64 *, buf) 302 _syscall2(int,fstat64, int, fd, struct kernelstat64 *, buf)
282#elif __NR_stat 303#elif __NR_stat
283 _syscall2(int,stat, const char *, filename, struct stat *, buf) 304 _syscall2(int,stat, const char *, filename, struct kernelstat *, buf)
284 _syscall2(int,lstat, const char *, filename, struct stat *, buf) 305 _syscall2(int,lstat, const char *, filename, struct kernelstat *, buf)
285 _syscall2(int,fstat, int, fd, struct stat *, buf) 306 _syscall2(int,fstat, int, fd, struct kernelstat *, buf)
286#else 307#else
287# error "neither stat64 nor stat defined" 308# error "neither stat64 nor stat defined"
288#endif 309#endif
289 310
290 _syscall1(int,unlink, char *, filename); 311 _syscall1(int,unlink, char *, filename);
… …
298 req->thread = thr; 319 req->thread = thr;
299 errno = 0; /* strictly unnecessary */ 320 errno = 0; /* strictly unnecessary */
300 321
301 switch (req->type) 322 switch (req->type)
302 { 323 {
303#ifdef __NR_pread64
304 case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); break;
305 case REQ_WRITE: req->result = pwrite64(req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); break;
306#else
307 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; 324 case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length,
325 LONG_LONG_PAIR (req->offset >> 32, req->offset & 0xffffffff)); break;
308 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; 326 case REQ_WRITE: req->result = pwrite64(req->fd, req->dataptr, req->length,
309#endif 327 LONG_LONG_PAIR (req->offset >> 32, req->offset & 0xffffffff)); break;
310#ifdef __NR_stat64 328#if __NR_stat64
311 struct stat64 statdata; 329 struct kernelstat64 statdata;
312 case REQ_STAT: req->result = stat64 (req->dataptr, &statdata); COPY_STATDATA; break; 330 case REQ_STAT: req->result = stat64 (req->dataptr, &statdata); COPY_STATDATA; break;
313 case REQ_LSTAT: req->result = lstat64 (req->dataptr, &statdata); COPY_STATDATA; break; 331 case REQ_LSTAT: req->result = lstat64 (req->dataptr, &statdata); COPY_STATDATA; break;
314 case REQ_FSTAT: req->result = fstat64 (req->fd, &statdata); COPY_STATDATA; break; 332 case REQ_FSTAT: req->result = fstat64 (req->fd, &statdata); COPY_STATDATA; break;
315#else 333#else
316 struct stat statdata; 334 struct kernelstat statdata;
317 case REQ_STAT: req->result = stat (req->dataptr, &statdata); COPY_STATDATA; break; 335 case REQ_STAT: req->result = stat (req->dataptr, &statdata); COPY_STATDATA; break;
318 case REQ_LSTAT: req->result = lstat (req->dataptr, &statdata); COPY_STATDATA; break; 336 case REQ_LSTAT: req->result = lstat (req->dataptr, &statdata); COPY_STATDATA; break;
319 case REQ_FSTAT: req->result = fstat (req->fd, &statdata); COPY_STATDATA; break; 337 case REQ_FSTAT: req->result = fstat (req->fd, &statdata); COPY_STATDATA; break;
320#endif 338#endif
321 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; 339 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines