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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.224 by root, Thu Oct 11 03:20:52 2012 UTC vs.
Revision 1.228 by root, Fri Jan 24 23:46:16 2014 UTC

153#endif 153#endif
154#ifndef minor 154#ifndef minor
155# define minor(dev) ((dev) & 0xff) 155# define minor(dev) ((dev) & 0xff)
156#endif 156#endif
157 157
158#ifndef PAGESIZE 158#if PAGESIZE <= 0
159# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
160#endif 160#endif
161 161
162/*****************************************************************************/ 162/*****************************************************************************/
163 163
198 || !fiemap->fm_mapped_extents /* no more extents */ 198 || !fiemap->fm_mapped_extents /* no more extents */
199 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) 199 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200 goto done; 200 goto done;
201 201
202 /* else we have to loop - 202 /* else we have to loop -
203 * it would be tempting (atcually I tried that first) to just query the 203 * it would be tempting (actually I tried that first) to just query the
204 * number of extents needed, but linux often feels like not returning all 204 * number of extents needed, but linux often feels like not returning all
205 * extents, without telling us it left any out. this complicates 205 * extents, without telling us it left any out. this complicates
206 * this quite a bit. 206 * this quite a bit.
207 */ 207 */
208 208
220 incmap->fm_flags = fiemap->fm_flags; 220 incmap->fm_flags = fiemap->fm_flags;
221 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); 221 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222 222
223 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) 223 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224 return; 224 return;
225
226 if (!incmap->fm_mapped_extents)
227 goto done;
225 228
226 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; 229 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 230 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228 errno = ENOMEM; 231 errno = ENOMEM;
229 if (!fiemap) 232 if (!fiemap)
1613{ 1616{
1614 dREQ; 1617 dREQ;
1615 1618
1616 req->type = EIO_GROUP; 1619 req->type = EIO_GROUP;
1617 1620
1621 PUTBACK;
1618 req_submit (req); 1622 req_submit (req);
1623 SPAGAIN;
1624
1619 XPUSHs (req_sv (req, aio_grp_stash)); 1625 XPUSHs (req_sv (req, aio_grp_stash));
1620} 1626}
1621 1627
1622void 1628void
1623aio_nop (SV *callback=&PL_sv_undef) 1629aio_nop (SV *callback=&PL_sv_undef)
1865 RETVAL = tee (rfh, wfh, length, flags); 1871 RETVAL = tee (rfh, wfh, length, flags);
1866#else 1872#else
1867 RETVAL = EIO_ENOSYS (); 1873 RETVAL = EIO_ENOSYS ();
1868#endif 1874#endif
1869 OUTPUT: 1875 OUTPUT:
1876 RETVAL
1877
1878int
1879pipesize (aio_rfd rfh, int new_size = -1)
1880 PROTOTYPE: $;$
1881 CODE:
1882#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1883 if (new_size >= 0)
1884 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1885 else
1886 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1887#else
1888 errno = ENOSYS;
1889 RETVAL = -1;
1890#endif
1891 OUTPUT:
1870 RETVAL 1892 RETVAL
1871 1893
1872void _on_next_submit (SV *cb) 1894void _on_next_submit (SV *cb)
1873 CODE: 1895 CODE:
1874 SvREFCNT_dec (on_next_submit); 1896 SvREFCNT_dec (on_next_submit);

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines