… | |
… | |
22 | #endif |
22 | #endif |
23 | |
23 | |
24 | #if __linux__ |
24 | #if __linux__ |
25 | # include <linux/fs.h> |
25 | # include <linux/fs.h> |
26 | # ifdef FS_IOC_FIEMAP |
26 | # ifdef FS_IOC_FIEMAP |
|
|
27 | # include <linux/types.h> |
27 | # include <linux/fiemap.h> |
28 | # include <linux/fiemap.h> |
28 | # define HAVE_FIEMAP 1 |
29 | # define HAVE_FIEMAP 1 |
29 | # endif |
30 | # endif |
30 | #endif |
31 | #endif |
31 | |
32 | |
… | |
… | |
164 | fiemap (eio_req *req) |
165 | fiemap (eio_req *req) |
165 | { |
166 | { |
166 | req->result = -1; |
167 | req->result = -1; |
167 | |
168 | |
168 | #if HAVE_FIEMAP |
169 | #if HAVE_FIEMAP |
|
|
170 | int count = req->int3; |
|
|
171 | |
|
|
172 | /* heuristic: first try with 72 extents if we don't know how many, */ |
|
|
173 | /* as most files have (hopefully) fewer than this many extents */ |
|
|
174 | /* in fact, most should have <= 2, so the 72 below is probably overkill */ |
|
|
175 | if (count < 0) |
|
|
176 | count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */ |
|
|
177 | |
169 | for (;;) |
178 | for (;;) |
170 | { |
179 | { |
171 | int count = req->int3; |
|
|
172 | |
|
|
173 | if (count < 0) |
|
|
174 | { |
|
|
175 | struct fiemap fiemap; |
|
|
176 | |
|
|
177 | fiemap.fm_start = req->offs; |
|
|
178 | fiemap.fm_length = req->size; |
|
|
179 | fiemap.fm_flags = req->int2; |
|
|
180 | fiemap.fm_extent_count = 0; |
|
|
181 | |
|
|
182 | if (ioctl (req->int1, FS_IOC_FIEMAP, &fiemap)) |
|
|
183 | return; |
|
|
184 | |
|
|
185 | count = fiemap.fm_mapped_extents; |
|
|
186 | } |
|
|
187 | |
|
|
188 | struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
180 | struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
189 | errno = ENOMEM; |
181 | errno = ENOMEM; |
190 | if (!fiemap) |
182 | if (!fiemap) |
191 | return; |
183 | return; |
192 | |
184 | |
… | |
… | |
202 | return; |
194 | return; |
203 | |
195 | |
204 | if (req->int3 >= 0) |
196 | if (req->int3 >= 0) |
205 | break; /* when not autosizing we are done */ |
197 | break; /* when not autosizing we are done */ |
206 | |
198 | |
|
|
199 | if (!fiemap->fm_mapped_extents) |
|
|
200 | break; /* if file has no segments, we are done */ |
|
|
201 | |
207 | if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) |
202 | if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) |
208 | break; /* autosizing successful, we are done */ |
203 | break; /* autosizing successful, we are done */ |
|
|
204 | |
|
|
205 | fiemap->fm_flags = req->int2; |
|
|
206 | fiemap->fm_extent_count = 0; |
|
|
207 | |
|
|
208 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
|
|
209 | return; |
|
|
210 | |
|
|
211 | count = fiemap->fm_mapped_extents; |
209 | |
212 | |
210 | free (fiemap); |
213 | free (fiemap); |
211 | } |
214 | } |
212 | |
215 | |
213 | req->result = 0; |
216 | req->result = 0; |
… | |
… | |
545 | break; |
548 | break; |
546 | |
549 | |
547 | case EIO_CUSTOM: |
550 | case EIO_CUSTOM: |
548 | if (req->feed == fiemap) |
551 | if (req->feed == fiemap) |
549 | { |
552 | { |
|
|
553 | #if HAVE_FIEMAP |
550 | if (!req->result) |
554 | if (!req->result) |
551 | { |
555 | { |
552 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
556 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
553 | |
557 | |
554 | if (fiemap->fm_extent_count) |
558 | if (fiemap->fm_extent_count) |
… | |
… | |
575 | { |
579 | { |
576 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
580 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
577 | PUSHs (sv_result); |
581 | PUSHs (sv_result); |
578 | } |
582 | } |
579 | } |
583 | } |
|
|
584 | #endif |
580 | } |
585 | } |
581 | else |
586 | else |
582 | PUSHs (sv_result); |
587 | PUSHs (sv_result); |
583 | break; |
588 | break; |
584 | |
589 | |
… | |
… | |
696 | } |
701 | } |
697 | |
702 | |
698 | /*****************************************************************************/ |
703 | /*****************************************************************************/ |
699 | |
704 | |
700 | #if !_POSIX_MAPPED_FILES |
705 | #if !_POSIX_MAPPED_FILES |
701 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
706 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
702 | # define munmap(addr,length) (errno = ENOSYS, -1) |
707 | # define munmap(addr,length) EIO_ENOSYS () |
703 | #endif |
708 | #endif |
704 | |
709 | |
705 | #if !_POSIX_MEMORY_PROTECTION |
710 | #if !_POSIX_MEMORY_PROTECTION |
706 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
711 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
707 | # define PROT_NONE 0 |
712 | # define PROT_NONE 0 |
708 | # define PROT_WRITE 0 |
713 | # define PROT_WRITE 0 |
709 | # define MAP_PRIVATE 0 |
714 | # define MAP_PRIVATE 0 |
710 | # define MAP_SHARED 0 |
715 | # define MAP_SHARED 0 |
711 | # define MAP_FIXED 0 |
716 | # define MAP_FIXED 0 |
… | |
… | |
954 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
959 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
955 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
960 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
956 | const_iv (FIEMAP_EXTENT_MERGED) |
961 | const_iv (FIEMAP_EXTENT_MERGED) |
957 | const_iv (FIEMAP_EXTENT_SHARED) |
962 | const_iv (FIEMAP_EXTENT_SHARED) |
958 | |
963 | |
|
|
964 | const_iv (SPLICE_F_MOVE) |
|
|
965 | const_iv (SPLICE_F_NONBLOCK) |
|
|
966 | const_iv (SPLICE_F_MORE) |
|
|
967 | const_iv (SPLICE_F_GIFT) |
|
|
968 | |
|
|
969 | const_iv (SEEK_DATA) |
|
|
970 | const_iv (SEEK_HOLE) |
|
|
971 | |
|
|
972 | /* libeio constants */ |
959 | const_eio (SEEK_SET) |
973 | const_eio (SEEK_SET) |
960 | const_eio (SEEK_CUR) |
974 | const_eio (SEEK_CUR) |
961 | const_eio (SEEK_END) |
975 | const_eio (SEEK_END) |
962 | |
976 | |
963 | const_eio (MCL_FUTURE) |
977 | const_eio (MCL_FUTURE) |
… | |
… | |
972 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
986 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
973 | const_eio (SYNC_FILE_RANGE_WRITE) |
987 | const_eio (SYNC_FILE_RANGE_WRITE) |
974 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
988 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
975 | |
989 | |
976 | const_eio (FALLOC_FL_KEEP_SIZE) |
990 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
991 | const_eio (FALLOC_FL_PUNCH_HOLE) |
977 | |
992 | |
978 | const_eio (READDIR_DENTS) |
993 | const_eio (READDIR_DENTS) |
979 | const_eio (READDIR_DIRS_FIRST) |
994 | const_eio (READDIR_DIRS_FIRST) |
980 | const_eio (READDIR_STAT_ORDER) |
995 | const_eio (READDIR_STAT_ORDER) |
981 | const_eio (READDIR_FOUND_UNKNOWN) |
996 | const_eio (READDIR_FOUND_UNKNOWN) |
… | |
… | |
1164 | |
1179 | |
1165 | void |
1180 | void |
1166 | aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
1181 | aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
1167 | PPCODE: |
1182 | PPCODE: |
1168 | { |
1183 | { |
1169 | STRLEN svlen; |
|
|
1170 | int fd = s_fileno_croak (fh, 0); |
1184 | int fd = s_fileno_croak (fh, 0); |
1171 | dREQ; |
1185 | dREQ; |
1172 | |
1186 | |
1173 | req->type = EIO_SEEK; |
1187 | req->type = EIO_SEEK; |
1174 | req->sv1 = newSVsv (fh); |
1188 | req->sv1 = newSVsv (fh); |
… | |
… | |
1205 | } |
1219 | } |
1206 | else |
1220 | else |
1207 | { |
1221 | { |
1208 | /* read: check type and grow scalar as necessary */ |
1222 | /* read: check type and grow scalar as necessary */ |
1209 | SvUPGRADE (data, SVt_PV); |
1223 | SvUPGRADE (data, SVt_PV); |
|
|
1224 | if (SvLEN (data) >= SvCUR (data)) |
1210 | svptr = SvGROW (data, len + dataoffset + 1); |
1225 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
1226 | else if (SvCUR (data) < len + dataoffset) |
|
|
1227 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1211 | } |
1228 | } |
1212 | |
1229 | |
1213 | { |
1230 | { |
1214 | dREQ; |
1231 | dREQ; |
1215 | |
1232 | |
… | |
… | |
1518 | |
1535 | |
1519 | void |
1536 | void |
1520 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
1537 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
1521 | PPCODE: |
1538 | PPCODE: |
1522 | { |
1539 | { |
1523 | int fd = s_fileno_croak (fh, 0); |
1540 | int fd = s_fileno_croak (fh, 0); |
1524 | dREQ; |
1541 | dREQ; |
1525 | |
1542 | |
1526 | req->type = EIO_CUSTOM; |
1543 | req->type = EIO_CUSTOM; |
1527 | req->sv1 = newSVsv (fh); |
1544 | req->sv1 = newSVsv (fh); |
1528 | req->int1 = fd; |
1545 | req->int1 = fd; |
1529 | |
1546 | |
1530 | req->feed = fiemap; |
1547 | req->feed = fiemap; |
|
|
1548 | #if HAVE_FIEMAP |
1531 | /* keep our fingers crossed that the next two types are 64 bit */ |
1549 | /* keep our fingers crossed that the next two types are 64 bit */ |
1532 | req->offs = start; |
1550 | req->offs = start; |
1533 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
1551 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
1534 | req->int2 = flags; |
1552 | req->int2 = flags; |
1535 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
1553 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1554 | #endif |
1536 | |
1555 | |
1537 | REQ_SEND; |
1556 | REQ_SEND; |
1538 | } |
1557 | } |
1539 | |
1558 | |
1540 | void |
1559 | void |
… | |
… | |
1674 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1693 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1675 | OUTPUT: |
1694 | OUTPUT: |
1676 | RETVAL |
1695 | RETVAL |
1677 | |
1696 | |
1678 | void |
1697 | void |
1679 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1698 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
1680 | PPCODE: |
1699 | PPCODE: |
1681 | sv_unmagic (scalar, MMAP_MAGIC); |
1700 | sv_unmagic (scalar, MMAP_MAGIC); |
1682 | { |
1701 | { |
1683 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1702 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1684 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1703 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
… | |
… | |
1717 | ALIAS: |
1736 | ALIAS: |
1718 | mprotect = 1 |
1737 | mprotect = 1 |
1719 | CODE: |
1738 | CODE: |
1720 | { |
1739 | { |
1721 | STRLEN svlen; |
1740 | STRLEN svlen; |
1722 | void *addr = SvPVbyte (scalar, svlen); |
1741 | void *addr = SvPVbyte (scalar, svlen); |
1723 | size_t len = SvUV (length); |
1742 | size_t len = SvUV (length); |
1724 | |
1743 | |
1725 | if (offset < 0) |
1744 | if (offset < 0) |
1726 | offset += svlen; |
1745 | offset += svlen; |
1727 | |
1746 | |
… | |
… | |
1763 | addr = (void *)(((intptr_t)addr) + offset); |
1782 | addr = (void *)(((intptr_t)addr) + offset); |
1764 | eio_page_align (&addr, &len); |
1783 | eio_page_align (&addr, &len); |
1765 | #if _POSIX_MEMLOCK_RANGE |
1784 | #if _POSIX_MEMLOCK_RANGE |
1766 | RETVAL = munlock (addr, len); |
1785 | RETVAL = munlock (addr, len); |
1767 | #else |
1786 | #else |
1768 | RETVAL = ((errno = ENOSYS), -1); |
1787 | RETVAL = EIO_ENOSYS (); |
1769 | #endif |
1788 | #endif |
1770 | } |
1789 | } |
1771 | OUTPUT: |
1790 | OUTPUT: |
1772 | RETVAL |
1791 | RETVAL |
1773 | |
1792 | |
… | |
… | |
1775 | munlockall () |
1794 | munlockall () |
1776 | CODE: |
1795 | CODE: |
1777 | #if _POSIX_MEMLOCK |
1796 | #if _POSIX_MEMLOCK |
1778 | munlockall (); |
1797 | munlockall (); |
1779 | #else |
1798 | #else |
1780 | RETVAL = -1; |
1799 | RETVAL = EIO_ENOSYS (); |
1781 | errno = ENOSYS; |
|
|
1782 | #endif |
1800 | #endif |
1783 | OUTPUT: |
1801 | OUTPUT: |
|
|
1802 | RETVAL |
|
|
1803 | |
|
|
1804 | int |
|
|
1805 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1806 | CODE: |
|
|
1807 | { |
|
|
1808 | #if HAVE_LINUX_SPLICE |
|
|
1809 | loff_t off_in_, off_out_; |
|
|
1810 | RETVAL = splice ( |
|
|
1811 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1812 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1813 | length, flags |
|
|
1814 | ); |
|
|
1815 | #else |
|
|
1816 | RETVAL = EIO_ENOSYS (); |
|
|
1817 | #endif |
|
|
1818 | } |
|
|
1819 | OUTPUT: |
|
|
1820 | RETVAL |
|
|
1821 | |
|
|
1822 | int |
|
|
1823 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
1824 | CODE: |
|
|
1825 | #if HAVE_LINUX_SPLICE |
|
|
1826 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
1827 | #else |
|
|
1828 | RETVAL = EIO_ENOSYS (); |
|
|
1829 | #endif |
|
|
1830 | OUTPUT: |
1784 | RETVAL |
1831 | RETVAL |
1785 | |
1832 | |
1786 | void _on_next_submit (SV *cb) |
1833 | void _on_next_submit (SV *cb) |
1787 | CODE: |
1834 | CODE: |
1788 | SvREFCNT_dec (on_next_submit); |
1835 | SvREFCNT_dec (on_next_submit); |