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 1.220 by root, Mon Jul 30 16:44:12 2012 UTC vs.
Revision 1.229 by root, Fri Apr 11 05:19:40 2014 UTC

19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif 22#endif
23 23
24#if __linux__ 24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. on't complain if this fails for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25# include <linux/fs.h> 29# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP 30# ifdef FS_IOC_FIEMAP
27# include <linux/types.h> 31# include <linux/types.h>
28# include <linux/fiemap.h> 32# include <linux/fiemap.h>
29# define HAVE_FIEMAP 1 33# define HAVE_FIEMAP 1
153#endif 157#endif
154#ifndef minor 158#ifndef minor
155# define minor(dev) ((dev) & 0xff) 159# define minor(dev) ((dev) & 0xff)
156#endif 160#endif
157 161
158#ifndef PAGESIZE 162#if PAGESIZE <= 0
159# define PAGESIZE sysconf (_SC_PAGESIZE) 163# define PAGESIZE sysconf (_SC_PAGESIZE)
160#endif 164#endif
161 165
162/*****************************************************************************/ 166/*****************************************************************************/
163 167
189 fiemap->fm_start = req->offs; 193 fiemap->fm_start = req->offs;
190 fiemap->fm_length = req->size; 194 fiemap->fm_length = req->size;
191 fiemap->fm_flags = req->int2; 195 fiemap->fm_flags = req->int2;
192 fiemap->fm_extent_count = count; 196 fiemap->fm_extent_count = count;
193 197
194 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) 198 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
195 return; 199 return;
196 200
197 if (req->int3 >= 0 /* not autosizing */ 201 if (req->int3 >= 0 /* not autosizing */
198 || !fiemap->fm_mapped_extents /* no more extents */ 202 || !fiemap->fm_mapped_extents /* no more extents */
199 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) 203 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200 goto done; 204 goto done;
201 205
202 /* else we have to loop - 206 /* else we have to loop -
203 * it would be tempting (atcually I tried that first) to just query the 207 * 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 208 * number of extents needed, but linux often feels like not returning all
205 * extents, without telling us it left any out. this complicates 209 * extents, without telling us it left any out. this complicates
206 * this quite a bit. 210 * this quite a bit.
207 */ 211 */
208 212
218 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; 222 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
219 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); 223 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
220 incmap->fm_flags = fiemap->fm_flags; 224 incmap->fm_flags = fiemap->fm_flags;
221 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); 225 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222 226
223 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap)) 227 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224 return; 228 return;
229
230 if (!incmap->fm_mapped_extents)
231 goto done;
225 232
226 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; 233 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 234 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228 errno = ENOMEM; 235 errno = ENOMEM;
229 if (!fiemap) 236 if (!fiemap)
507#ifndef _WIN32 514#ifndef _WIN32
508 if (req->result >= 0) 515 if (req->result >= 0)
509 { 516 {
510 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 517 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
511 HV *hv = newHV (); 518 HV *hv = newHV ();
519 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
520 * chooses to make it a struct.
521 */
522 unsigned long fsid = 0;
523 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
512 524
513 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 525 rv = sv_2mortal (newRV_noinc ((SV *)hv));
514 526
515 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 527 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
516 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 528 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
518 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 530 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
519 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 531 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
520 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 532 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
521 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 533 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
522 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 534 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
523 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 535 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
524 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 536 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
525 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 537 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
526 } 538 }
527#endif 539#endif
528 540
1131 aio_fsync = EIO_FSYNC 1143 aio_fsync = EIO_FSYNC
1132 aio_fdatasync = EIO_FDATASYNC 1144 aio_fdatasync = EIO_FDATASYNC
1133 aio_syncfs = EIO_SYNCFS 1145 aio_syncfs = EIO_SYNCFS
1134 PPCODE: 1146 PPCODE:
1135{ 1147{
1136 int fd = s_fileno_croak (fh, 0); 1148 int fd = s_fileno_croak (fh, 0);
1137 dREQ; 1149 dREQ;
1138 1150
1139 req->type = ix; 1151 req->type = ix;
1140 req->sv1 = newSVsv (fh); 1152 req->sv1 = newSVsv (fh);
1141 req->int1 = fd; 1153 req->int1 = fd;
1145 1157
1146void 1158void
1147aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1159aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1148 PPCODE: 1160 PPCODE:
1149{ 1161{
1150 int fd = s_fileno_croak (fh, 0); 1162 int fd = s_fileno_croak (fh, 0);
1151 dREQ; 1163 dREQ;
1152 1164
1153 req->type = EIO_SYNC_FILE_RANGE; 1165 req->type = EIO_SYNC_FILE_RANGE;
1154 req->sv1 = newSVsv (fh); 1166 req->sv1 = newSVsv (fh);
1155 req->int1 = fd; 1167 req->int1 = fd;
1159 1171
1160 REQ_SEND; 1172 REQ_SEND;
1161} 1173}
1162 1174
1163void 1175void
1164aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1176aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1165 PPCODE: 1177 PPCODE:
1166{ 1178{
1167 int fd = s_fileno_croak (fh, 0); 1179 int fd = s_fileno_croak (fh, 0);
1168 dREQ; 1180 dREQ;
1169 1181
1170 req->type = EIO_FALLOCATE; 1182 req->type = EIO_FALLOCATE;
1171 req->sv1 = newSVsv (fh); 1183 req->sv1 = newSVsv (fh);
1172 req->int1 = fd; 1184 req->int1 = fd;
1180void 1192void
1181aio_close (SV *fh, SV *callback=&PL_sv_undef) 1193aio_close (SV *fh, SV *callback=&PL_sv_undef)
1182 PPCODE: 1194 PPCODE:
1183{ 1195{
1184 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1196 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1185 int fd = s_fileno_croak (fh, 0); 1197 int fd = s_fileno_croak (fh, 0);
1186 dREQ; 1198 dREQ;
1187 1199
1188 if (expect_false (close_fd < 0)) 1200 if (expect_false (close_fd < 0))
1189 { 1201 {
1190 int pipefd [2]; 1202 int pipefd [2];
1300 1312
1301void 1313void
1302aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1314aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1303 PPCODE: 1315 PPCODE:
1304{ 1316{
1305 int ifd = s_fileno_croak (in_fh , 0); 1317 int ifd = s_fileno_croak (in_fh , 0);
1306 int ofd = s_fileno_croak (out_fh, 1); 1318 int ofd = s_fileno_croak (out_fh, 1);
1307 dREQ; 1319 dREQ;
1308 1320
1309 req->type = EIO_SENDFILE; 1321 req->type = EIO_SENDFILE;
1310 req->sv1 = newSVsv (out_fh); 1322 req->sv1 = newSVsv (out_fh);
1311 req->int1 = ofd; 1323 req->int1 = ofd;
1319 1331
1320void 1332void
1321aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1333aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1322 PPCODE: 1334 PPCODE:
1323{ 1335{
1324 int fd = s_fileno_croak (fh, 0); 1336 int fd = s_fileno_croak (fh, 0);
1325 dREQ; 1337 dREQ;
1326 1338
1327 req->type = EIO_READAHEAD; 1339 req->type = EIO_READAHEAD;
1328 req->sv1 = newSVsv (fh); 1340 req->sv1 = newSVsv (fh);
1329 req->int1 = fd; 1341 req->int1 = fd;
1608{ 1620{
1609 dREQ; 1621 dREQ;
1610 1622
1611 req->type = EIO_GROUP; 1623 req->type = EIO_GROUP;
1612 1624
1625 PUTBACK;
1613 req_submit (req); 1626 req_submit (req);
1627 SPAGAIN;
1628
1614 XPUSHs (req_sv (req, aio_grp_stash)); 1629 XPUSHs (req_sv (req, aio_grp_stash));
1615} 1630}
1616 1631
1617void 1632void
1618aio_nop (SV *callback=&PL_sv_undef) 1633aio_nop (SV *callback=&PL_sv_undef)
1799int 1814int
1800munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1815munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1801 CODE: 1816 CODE:
1802{ 1817{
1803 STRLEN svlen; 1818 STRLEN svlen;
1804 void *addr = SvPVbyte (scalar, svlen); 1819 void *addr = SvPVbyte (scalar, svlen);
1805 size_t len = SvUV (length); 1820 size_t len = SvUV (length);
1806 1821
1807 if (offset < 0) 1822 if (offset < 0)
1808 offset += svlen; 1823 offset += svlen;
1809 1824
1860 RETVAL = tee (rfh, wfh, length, flags); 1875 RETVAL = tee (rfh, wfh, length, flags);
1861#else 1876#else
1862 RETVAL = EIO_ENOSYS (); 1877 RETVAL = EIO_ENOSYS ();
1863#endif 1878#endif
1864 OUTPUT: 1879 OUTPUT:
1880 RETVAL
1881
1882int
1883pipesize (aio_rfd rfh, int new_size = -1)
1884 PROTOTYPE: $;$
1885 CODE:
1886#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1887 if (new_size >= 0)
1888 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1889 else
1890 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1891#else
1892 errno = ENOSYS;
1893 RETVAL = -1;
1894#endif
1895 OUTPUT:
1865 RETVAL 1896 RETVAL
1866 1897
1867void _on_next_submit (SV *cb) 1898void _on_next_submit (SV *cb)
1868 CODE: 1899 CODE:
1869 SvREFCNT_dec (on_next_submit); 1900 SvREFCNT_dec (on_next_submit);

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines