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Comparing Linux-AIO/AIO.xs (file contents):
Revision 1.25 by root, Thu Jul 7 22:24:09 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
18// 128 seems to be enough most everywhere. alpha needs 256. 19#if __i386 || __amd64
19#define STACKSIZE (256 * sizeof (long)) 20# define STACKSIZE ( 256 * sizeof (long))
21#elif __ia64
22# define STACKSIZE (8192 * sizeof (long))
23#else
24# define STACKSIZE ( 512 * sizeof (long))
25#endif
20 26
21enum { 27enum {
22 REQ_QUIT, 28 REQ_QUIT,
23 REQ_OPEN, REQ_CLOSE, REQ_READ, REQ_WRITE, 29 REQ_OPEN, REQ_CLOSE, REQ_READ, REQ_WRITE,
24 REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK 30 REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK
… …
63 aio_thread *thr; 69 aio_thread *thr;
64 70
65 New (0, thr, 1, aio_thread); 71 New (0, thr, 1, aio_thread);
66 72
67 if (clone (aio_proc, 73 if (clone (aio_proc,
68 &(thr->stack[STACKSIZE - sizeof (long)]), 74 &(thr->stack[STACKSIZE - 16]),
69 CLONE_VM|CLONE_FS|CLONE_FILES, 75 CLONE_VM|CLONE_FS|CLONE_FILES,
70 thr) >= 0) 76 thr) >= 0)
71 started++; 77 started++;
72 else 78 else
73 Safefree (thr); 79 Safefree (thr);
… …
231 237
232static sigset_t fullsigset; 238static sigset_t fullsigset;
233 239
234#undef errno 240#undef errno
235#include <asm/unistd.h> 241#include <asm/unistd.h>
242#include <linux/types.h>
236#include <sys/prctl.h> 243#include <sys/prctl.h>
237 244
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
238#if __alpha || __ia64 || __hppa || __sparc64__ || __v850__ 251#if __alpha || __ia64 || __hppa || __v850__
239# define stat kernelstat 252# define stat kernelstat
240# define stat64 kernelstat64 253# define stat64 kernelstat64
241# include <asm/stat.h> 254# include <asm/stat.h>
242# undef stat 255# undef stat
243# undef stat64 256# undef stat64
… …
268 aio_req req; 281 aio_req req;
269 int errno; 282 int errno;
270 283
271 /* this is very much kernel-specific :(:(:( */ 284 /* this is very much kernel-specific :(:(:( */
272 /* we rely on gcc's ability to create closures. */ 285 /* we rely on gcc's ability to create closures. */
273 _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)
274 _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)
275 288
276 _syscall3(int,open,char *,pathname,int,flags,mode_t,mode) 289 _syscall3(int,open,char *,pathname,int,flags,int,mode)
277 _syscall1(int,close,int,fd) 290 _syscall1(int,close,unsigned int,fd)
278 291
279#if __NR_pread64 292#ifndef __NR_pread64
280 _syscall5(int,pread64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi) 293# define __NR_pread64 __NR_pread
281 _syscall5(int,pwrite64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi) 294# define __NR_pwrite64 __NR_write
282#elif __NR_pread
283 _syscall4(int,pread,int,fd,char *,buf,size_t,count,offset_t,offset)
284 _syscall4(int,pwrite,int,fd,char *,buf,size_t,count,offset_t,offset)
285#else
286# error "neither pread nor pread64 defined"
287#endif 295#endif
288 296 _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)
289 298
290#if __NR_stat64 299#if __NR_stat64
291 _syscall2(int,stat64, const char *, filename, struct kernelstat64 *, buf) 300 _syscall2(int,stat64, const char *, filename, struct kernelstat64 *, buf)
292 _syscall2(int,lstat64, const char *, filename, struct kernelstat64 *, buf) 301 _syscall2(int,lstat64, const char *, filename, struct kernelstat64 *, buf)
293 _syscall2(int,fstat64, int, fd, struct kernelstat64 *, buf) 302 _syscall2(int,fstat64, int, fd, struct kernelstat64 *, buf)
… …
310 req->thread = thr; 319 req->thread = thr;
311 errno = 0; /* strictly unnecessary */ 320 errno = 0; /* strictly unnecessary */
312 321
313 switch (req->type) 322 switch (req->type)
314 { 323 {
315#if __NR_pread64
316 case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); break;
317 case REQ_WRITE: req->result = pwrite64(req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); break;
318#else
319 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;
320 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,
321#endif 327 LONG_LONG_PAIR (req->offset >> 32, req->offset & 0xffffffff)); break;
322#if __NR_stat64 328#if __NR_stat64
323 struct kernelstat64 statdata; 329 struct kernelstat64 statdata;
324 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;
325 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;
326 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;

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