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 1.27 by root, Fri Jul 8 03:10:00 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);
… …
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>
235#include <sys/prctl.h> 242#include <sys/prctl.h>
243
244#if BYTE_ORDER == LITTLE_ENDIAN
245# define LONG_LONG_PAIR(HI, LO) LO, HI
246#elif BYTE_ORDER == BIG_ENDIAN
247# define LONG_LONG_PAIR(HI, LO) HI, LO
248#endif
249
250#if __alpha || __ia64 || __hppa || __v850__
251# define stat kernelstat
252# define stat64 kernelstat64
253# include <asm/stat.h>
254# undef stat
255# undef stat64
256#else
257# define kernelstat stat
258# define kernelstat64 stat64
259#endif
236 260
237#define COPY_STATDATA \ 261#define COPY_STATDATA \
238 req->statdata->st_dev = statdata.st_dev; \ 262 req->statdata->st_dev = statdata.st_dev; \
239 req->statdata->st_ino = statdata.st_ino; \ 263 req->statdata->st_ino = statdata.st_ino; \
240 req->statdata->st_mode = statdata.st_mode; \ 264 req->statdata->st_mode = statdata.st_mode; \
… …
262 _syscall3(int,write,int,fd,char *,buf,size_t,count) 286 _syscall3(int,write,int,fd,char *,buf,size_t,count)
263 287
264 _syscall3(int,open,char *,pathname,int,flags,mode_t,mode) 288 _syscall3(int,open,char *,pathname,int,flags,mode_t,mode)
265 _syscall1(int,close,int,fd) 289 _syscall1(int,close,int,fd)
266 290
267#ifdef __NR_pread64 291#if __NR_pread64
268 _syscall5(int,pread64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi) 292 _syscall5(int,pread64,int,fd,char *,buf,size_t,count,unsigned int,offset_lh,unsigned int,offset_hl)
269 _syscall5(int,pwrite64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi) 293 _syscall5(int,pwrite64,int,fd,char *,buf,size_t,count,unsigned int,offset_lh,unsigned int,offset_hl)
270#elif __NR_pread 294#elif __NR_pread
271 _syscall4(int,pread,int,fd,char *,buf,size_t,count,offset_t,offset) 295 _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) 296 _syscall4(int,pwrite,int,fd,char *,buf,size_t,count,offset_t,offset)
273#else 297#else
274# error "neither pread nor pread64 defined" 298# error "neither pread nor pread64 defined"
275#endif 299#endif
276 300
277 301
278#ifdef __NR_stat64 302#if __NR_stat64
279 _syscall2(int,stat64, const char *, filename, struct stat64 *, buf) 303 _syscall2(int,stat64, const char *, filename, struct kernelstat64 *, buf)
280 _syscall2(int,lstat64, const char *, filename, struct stat64 *, buf) 304 _syscall2(int,lstat64, const char *, filename, struct kernelstat64 *, buf)
281 _syscall2(int,fstat64, int, fd, struct stat64 *, buf) 305 _syscall2(int,fstat64, int, fd, struct kernelstat64 *, buf)
282#elif __NR_stat 306#elif __NR_stat
283 _syscall2(int,stat, const char *, filename, struct stat *, buf) 307 _syscall2(int,stat, const char *, filename, struct kernelstat *, buf)
284 _syscall2(int,lstat, const char *, filename, struct stat *, buf) 308 _syscall2(int,lstat, const char *, filename, struct kernelstat *, buf)
285 _syscall2(int,fstat, int, fd, struct stat *, buf) 309 _syscall2(int,fstat, int, fd, struct kernelstat *, buf)
286#else 310#else
287# error "neither stat64 nor stat defined" 311# error "neither stat64 nor stat defined"
288#endif 312#endif
289 313
290 _syscall1(int,unlink, char *, filename); 314 _syscall1(int,unlink, char *, filename);
… …
298 req->thread = thr; 322 req->thread = thr;
299 errno = 0; /* strictly unnecessary */ 323 errno = 0; /* strictly unnecessary */
300 324
301 switch (req->type) 325 switch (req->type)
302 { 326 {
303#ifdef __NR_pread64 327#if __NR_pread64
304 case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); break; 328 case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length,
329 LONG_LONG_PAIR (req->offset >> 32, req->offset & 0xffffffff)); break;
305 case REQ_WRITE: req->result = pwrite64(req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); break; 330 case REQ_WRITE: req->result = pwrite64(req->fd, req->dataptr, req->length,
331 LONG_LONG_PAIR (req->offset >> 32, req->offset & 0xffffffff)); break;
306#else 332#else
307 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; 333 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
308 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; 334 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
309#endif 335#endif
310#ifdef __NR_stat64 336#if __NR_stat64
311 struct stat64 statdata; 337 struct kernelstat64 statdata;
312 case REQ_STAT: req->result = stat64 (req->dataptr, &statdata); COPY_STATDATA; break; 338 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; 339 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; 340 case REQ_FSTAT: req->result = fstat64 (req->fd, &statdata); COPY_STATDATA; break;
315#else 341#else
316 struct stat statdata; 342 struct kernelstat statdata;
317 case REQ_STAT: req->result = stat (req->dataptr, &statdata); COPY_STATDATA; break; 343 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; 344 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; 345 case REQ_FSTAT: req->result = fstat (req->fd, &statdata); COPY_STATDATA; break;
320#endif 346#endif
321 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; 347 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;

Diff Legend

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