… | |
… | |
16 | #include <sys/statvfs.h> |
16 | #include <sys/statvfs.h> |
17 | #include <limits.h> |
17 | #include <limits.h> |
18 | #include <fcntl.h> |
18 | #include <fcntl.h> |
19 | #include <sched.h> |
19 | #include <sched.h> |
20 | |
20 | |
21 | #if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES |
21 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
22 | # include <sys/mman.h> |
22 | # include <sys/mman.h> |
23 | #endif |
23 | #endif |
24 | |
24 | |
25 | /* perl namespace pollution */ |
25 | /* perl namespace pollution */ |
26 | #undef VERSION |
26 | #undef VERSION |
… | |
… | |
118 | STRLEN stroffset; \ |
118 | STRLEN stroffset; \ |
119 | SV *self; |
119 | SV *self; |
120 | |
120 | |
121 | #define EIO_NO_WRAPPERS 1 |
121 | #define EIO_NO_WRAPPERS 1 |
122 | |
122 | |
|
|
123 | #include "libeio/config.h" |
123 | #include "libeio/eio.h" |
124 | #include "libeio/eio.h" |
124 | |
125 | |
125 | #ifndef POSIX_FADV_NORMAL |
126 | #ifndef POSIX_FADV_NORMAL |
126 | # define POSIX_FADV_NORMAL 0 |
127 | # define POSIX_FADV_NORMAL 0 |
127 | # define NO_FADVISE 1 |
|
|
128 | #endif |
128 | #endif |
129 | #ifndef POSIX_FADV_SEQUENTIAL |
129 | #ifndef POSIX_FADV_SEQUENTIAL |
130 | # define POSIX_FADV_SEQUENTIAL 0 |
130 | # define POSIX_FADV_SEQUENTIAL 0 |
131 | #endif |
131 | #endif |
132 | #ifndef POSIX_FADV_RANDOM |
132 | #ifndef POSIX_FADV_RANDOM |
… | |
… | |
140 | #endif |
140 | #endif |
141 | #ifndef POSIX_FADV_DONTNEED |
141 | #ifndef POSIX_FADV_DONTNEED |
142 | # define POSIX_FADV_DONTNEED 0 |
142 | # define POSIX_FADV_DONTNEED 0 |
143 | #endif |
143 | #endif |
144 | |
144 | |
|
|
145 | #if !HAVE_POSIX_FADVISE |
|
|
146 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
|
|
147 | #endif |
|
|
148 | |
|
|
149 | #ifndef POSIX_MADV_NORMAL |
|
|
150 | # define POSIX_MADV_NORMAL 0 |
|
|
151 | #endif |
|
|
152 | #ifndef POSIX_MADV_SEQUENTIAL |
|
|
153 | # define POSIX_MADV_SEQUENTIAL 0 |
|
|
154 | #endif |
|
|
155 | #ifndef POSIX_MADV_RANDOM |
|
|
156 | # define POSIX_MADV_RANDOM 0 |
|
|
157 | #endif |
|
|
158 | #ifndef POSIX_MADV_WILLNEED |
|
|
159 | # define POSIX_MADV_WILLNEED 0 |
|
|
160 | #endif |
|
|
161 | #ifndef POSIX_MADV_DONTNEED |
|
|
162 | # define POSIX_MADV_DONTNEED 0 |
|
|
163 | #endif |
|
|
164 | |
|
|
165 | #if !HAVE_POSIX_MADVISE |
|
|
166 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
|
|
167 | #endif |
|
|
168 | |
|
|
169 | #ifndef PROT_NONE |
|
|
170 | # define PROT_NONE 0 |
|
|
171 | #endif |
|
|
172 | #ifndef PROT_READ |
|
|
173 | # define PROT_READ 0 |
|
|
174 | #endif |
|
|
175 | #ifndef PROT_WRITE |
|
|
176 | # define PROT_READ 0 |
|
|
177 | #endif |
|
|
178 | #ifndef PROT_EXEC |
|
|
179 | # define PROT_EXEC 0 |
|
|
180 | #endif |
|
|
181 | |
145 | #ifndef ST_NODEV |
182 | #ifndef ST_NODEV |
146 | # define ST_NODEV 0 |
183 | # define ST_NODEV 0 |
147 | #endif |
184 | #endif |
148 | #ifndef ST_NOEXEC |
185 | #ifndef ST_NOEXEC |
149 | # define ST_NOEXEC 0 |
186 | # define ST_NOEXEC 0 |
… | |
… | |
169 | #ifndef ST_NODIRATIME |
206 | #ifndef ST_NODIRATIME |
170 | # define ST_NODIRATIME 0 |
207 | # define ST_NODIRATIME 0 |
171 | #endif |
208 | #endif |
172 | #ifndef ST_RELATIME |
209 | #ifndef ST_RELATIME |
173 | # define ST_RELATIME 0 |
210 | # define ST_RELATIME 0 |
174 | #endif |
|
|
175 | |
|
|
176 | #ifndef MCL_CURRENT |
|
|
177 | # define MCL_CURRENT 0 |
|
|
178 | #endif |
|
|
179 | #ifndef MCL_FUTURE |
|
|
180 | # define MCL_FUTURE 0 |
|
|
181 | #endif |
211 | #endif |
182 | |
212 | |
183 | #ifndef MAP_ANONYMOUS |
213 | #ifndef MAP_ANONYMOUS |
184 | # ifdef MAP_ANON |
214 | # ifdef MAP_ANON |
185 | # define MAP_ANONYMOUS MAP_ANON |
215 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
323 | /* do not recreate the result IV from scratch each time */ |
353 | /* do not recreate the result IV from scratch each time */ |
324 | if (expect_true (sv_result_cache)) |
354 | if (expect_true (sv_result_cache)) |
325 | { |
355 | { |
326 | sv_result = sv_result_cache; sv_result_cache = 0; |
356 | sv_result = sv_result_cache; sv_result_cache = 0; |
327 | SvIV_set (sv_result, req->result); |
357 | SvIV_set (sv_result, req->result); |
|
|
358 | SvIOK_only (sv_result); |
328 | } |
359 | } |
329 | else |
360 | else |
330 | { |
361 | { |
331 | sv_result = newSViv (req->result); |
362 | sv_result = newSViv (req->result); |
332 | SvREADONLY_on (sv_result); |
363 | SvREADONLY_on (sv_result); |
… | |
… | |
496 | SvSETMAGIC (req->sv2); |
527 | SvSETMAGIC (req->sv2); |
497 | PUSHs (sv_result); |
528 | PUSHs (sv_result); |
498 | } |
529 | } |
499 | break; |
530 | break; |
500 | |
531 | |
501 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
532 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
502 | if (req->result > 0) |
533 | if (req->result > 0) |
503 | SvIV_set (sv_result, 0); |
534 | SvIV_set (sv_result, 0); |
504 | /* FALLTHROUGH */ |
535 | /* FALLTHROUGH */ |
505 | |
536 | |
506 | default: |
537 | default: |
… | |
… | |
608 | #if !_POSIX_MAPPED_FILES |
639 | #if !_POSIX_MAPPED_FILES |
609 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
640 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
610 | # define munmap(addr,length) (errno = ENOSYS, -1) |
641 | # define munmap(addr,length) (errno = ENOSYS, -1) |
611 | #endif |
642 | #endif |
612 | |
643 | |
|
|
644 | #if !_POSIX_MEMORY_PROTECTION |
|
|
645 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
646 | # define PROT_NONE 0 |
|
|
647 | # define PROT_WRITE 0 |
|
|
648 | # define MAP_PRIVATE 0 |
|
|
649 | # define MAP_SHARED 0 |
|
|
650 | # define MAP_FIXED 0 |
|
|
651 | #endif |
|
|
652 | |
613 | #define MMAP_MAGIC PERL_MAGIC_ext |
653 | #define MMAP_MAGIC PERL_MAGIC_ext |
614 | |
654 | |
615 | static int |
655 | static int |
616 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
656 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
617 | { |
657 | { |
… | |
… | |
620 | errno = old_errno; |
660 | errno = old_errno; |
621 | |
661 | |
622 | mg->mg_obj = 0; /* just in case */ |
662 | mg->mg_obj = 0; /* just in case */ |
623 | |
663 | |
624 | SvREADONLY_off (sv); |
664 | SvREADONLY_off (sv); |
|
|
665 | |
|
|
666 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
667 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
668 | |
625 | SvCUR_set (sv, 0); |
669 | SvCUR_set (sv, 0); |
626 | SvLEN_set (sv, 0); |
|
|
627 | SvPVX (sv) = 0; |
670 | SvPVX (sv) = 0; |
628 | SvOK_off (sv); |
671 | SvOK_off (sv); |
629 | |
672 | |
630 | return 0; |
673 | return 0; |
631 | } |
674 | } |
… | |
… | |
696 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
739 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
697 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
740 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
698 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
741 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
699 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
742 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
700 | |
743 | |
|
|
744 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
745 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
746 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
747 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
748 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
749 | |
701 | const_iv (ST_RDONLY) |
750 | const_iv (ST_RDONLY) |
702 | const_iv (ST_NOSUID) |
751 | const_iv (ST_NOSUID) |
703 | const_iv (ST_NODEV) |
752 | const_iv (ST_NODEV) |
704 | const_iv (ST_NOEXEC) |
753 | const_iv (ST_NOEXEC) |
705 | const_iv (ST_SYNCHRONOUS) |
754 | const_iv (ST_SYNCHRONOUS) |
… | |
… | |
709 | const_iv (ST_IMMUTABLE) |
758 | const_iv (ST_IMMUTABLE) |
710 | const_iv (ST_NOATIME) |
759 | const_iv (ST_NOATIME) |
711 | const_iv (ST_NODIRATIME) |
760 | const_iv (ST_NODIRATIME) |
712 | const_iv (ST_RELATIME) |
761 | const_iv (ST_RELATIME) |
713 | |
762 | |
|
|
763 | const_iv (PROT_NONE) |
714 | const_iv (PROT_EXEC) |
764 | const_iv (PROT_EXEC) |
715 | const_iv (PROT_NONE) |
|
|
716 | const_iv (PROT_READ) |
765 | const_iv (PROT_READ) |
717 | const_iv (PROT_WRITE) |
766 | const_iv (PROT_WRITE) |
718 | |
767 | |
719 | /*const_iv (MAP_FIXED)*/ |
768 | /*const_iv (MAP_FIXED)*/ |
720 | const_iv (MAP_PRIVATE) |
769 | const_iv (MAP_PRIVATE) |
… | |
… | |
726 | const_iv (MAP_LOCKED) |
775 | const_iv (MAP_LOCKED) |
727 | const_iv (MAP_NORESERVE) |
776 | const_iv (MAP_NORESERVE) |
728 | const_iv (MAP_POPULATE) |
777 | const_iv (MAP_POPULATE) |
729 | const_iv (MAP_NONBLOCK) |
778 | const_iv (MAP_NONBLOCK) |
730 | |
779 | |
731 | const_iv (MCL_FUTURE) |
780 | const_eio (MCL_FUTURE) |
732 | const_iv (MCL_CURRENT) |
781 | const_eio (MCL_CURRENT) |
733 | |
782 | |
734 | const_eio (MS_ASYNC) |
783 | const_eio (MS_ASYNC) |
735 | const_eio (MS_INVALIDATE) |
784 | const_eio (MS_INVALIDATE) |
736 | const_eio (MS_SYNC) |
785 | const_eio (MS_SYNC) |
737 | |
786 | |
… | |
… | |
811 | CODE: |
860 | CODE: |
812 | max_outstanding = maxreqs; |
861 | max_outstanding = maxreqs; |
813 | |
862 | |
814 | void |
863 | void |
815 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
864 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
816 | PROTOTYPE: $$$;$ |
|
|
817 | PPCODE: |
865 | PPCODE: |
818 | { |
866 | { |
819 | dREQ; |
867 | dREQ; |
820 | |
868 | |
821 | req->type = EIO_OPEN; |
869 | req->type = EIO_OPEN; |
… | |
… | |
827 | REQ_SEND; |
875 | REQ_SEND; |
828 | } |
876 | } |
829 | |
877 | |
830 | void |
878 | void |
831 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
879 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
832 | PROTOTYPE: $;$ |
|
|
833 | ALIAS: |
880 | ALIAS: |
834 | aio_fsync = EIO_FSYNC |
881 | aio_fsync = EIO_FSYNC |
835 | aio_fdatasync = EIO_FDATASYNC |
882 | aio_fdatasync = EIO_FDATASYNC |
836 | PPCODE: |
883 | PPCODE: |
837 | { |
884 | { |
… | |
… | |
845 | REQ_SEND (req); |
892 | REQ_SEND (req); |
846 | } |
893 | } |
847 | |
894 | |
848 | void |
895 | void |
849 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
896 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
850 | PROTOTYPE: $$$$;$ |
|
|
851 | PPCODE: |
897 | PPCODE: |
852 | { |
898 | { |
853 | int fd = s_fileno_croak (fh, 0); |
899 | int fd = s_fileno_croak (fh, 0); |
854 | dREQ; |
900 | dREQ; |
855 | |
901 | |
… | |
… | |
863 | REQ_SEND (req); |
909 | REQ_SEND (req); |
864 | } |
910 | } |
865 | |
911 | |
866 | void |
912 | void |
867 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
913 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
868 | PROTOTYPE: $;$ |
|
|
869 | PPCODE: |
914 | PPCODE: |
870 | { |
915 | { |
871 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
916 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
872 | int fd = s_fileno_croak (fh, 0); |
917 | int fd = s_fileno_croak (fh, 0); |
873 | dREQ; |
918 | dREQ; |
… | |
… | |
895 | void |
940 | void |
896 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
941 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
897 | ALIAS: |
942 | ALIAS: |
898 | aio_read = EIO_READ |
943 | aio_read = EIO_READ |
899 | aio_write = EIO_WRITE |
944 | aio_write = EIO_WRITE |
900 | PROTOTYPE: $$$$$;$ |
|
|
901 | PPCODE: |
945 | PPCODE: |
902 | { |
946 | { |
903 | STRLEN svlen; |
947 | STRLEN svlen; |
904 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
948 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
905 | char *svptr = SvPVbyte (data, svlen); |
949 | char *svptr = SvPVbyte (data, svlen); |
… | |
… | |
946 | } |
990 | } |
947 | } |
991 | } |
948 | |
992 | |
949 | void |
993 | void |
950 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
994 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
951 | PROTOTYPE: $$;$ |
|
|
952 | PPCODE: |
995 | PPCODE: |
953 | { |
996 | { |
954 | SV *data; |
997 | SV *data; |
955 | dREQ; |
998 | dREQ; |
956 | |
999 | |
… | |
… | |
961 | REQ_SEND; |
1004 | REQ_SEND; |
962 | } |
1005 | } |
963 | |
1006 | |
964 | void |
1007 | void |
965 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1008 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
966 | PROTOTYPE: $$$$;$ |
|
|
967 | PPCODE: |
1009 | PPCODE: |
968 | { |
1010 | { |
969 | int ifd = s_fileno_croak (in_fh , 0); |
1011 | int ifd = s_fileno_croak (in_fh , 0); |
970 | int ofd = s_fileno_croak (out_fh, 1); |
1012 | int ofd = s_fileno_croak (out_fh, 1); |
971 | dREQ; |
1013 | dREQ; |
… | |
… | |
981 | REQ_SEND; |
1023 | REQ_SEND; |
982 | } |
1024 | } |
983 | |
1025 | |
984 | void |
1026 | void |
985 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1027 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
986 | PROTOTYPE: $$$;$ |
|
|
987 | PPCODE: |
1028 | PPCODE: |
988 | { |
1029 | { |
989 | int fd = s_fileno_croak (fh, 0); |
1030 | int fd = s_fileno_croak (fh, 0); |
990 | dREQ; |
1031 | dREQ; |
991 | |
1032 | |
… | |
… | |
1192 | void |
1233 | void |
1193 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1234 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1194 | ALIAS: |
1235 | ALIAS: |
1195 | aio_mtouch = EIO_MTOUCH |
1236 | aio_mtouch = EIO_MTOUCH |
1196 | aio_msync = EIO_MSYNC |
1237 | aio_msync = EIO_MSYNC |
1197 | PROTOTYPE: $$$$;$ |
|
|
1198 | PPCODE: |
1238 | PPCODE: |
1199 | { |
1239 | { |
1200 | STRLEN svlen; |
1240 | STRLEN svlen; |
|
|
1241 | char *svptr = SvPVbyte (data, svlen); |
1201 | UV len = SvUV (length); |
1242 | UV len = SvUV (length); |
1202 | char *svptr = SvPVbyte (data, svlen); |
|
|
1203 | |
1243 | |
1204 | if (offset < 0) |
1244 | if (offset < 0) |
1205 | offset += svlen; |
1245 | offset += svlen; |
1206 | |
1246 | |
1207 | if (offset < 0 || offset > svlen) |
1247 | if (offset < 0 || offset > svlen) |
… | |
… | |
1212 | |
1252 | |
1213 | { |
1253 | { |
1214 | dREQ; |
1254 | dREQ; |
1215 | |
1255 | |
1216 | req->type = ix; |
1256 | req->type = ix; |
1217 | req->size = len; |
|
|
1218 | req->sv2 = SvREFCNT_inc (data); |
1257 | req->sv2 = SvREFCNT_inc (data); |
1219 | req->ptr2 = (char *)svptr + offset; |
1258 | req->ptr2 = (char *)svptr + offset; |
|
|
1259 | req->size = len; |
1220 | req->int1 = flags; |
1260 | req->int1 = flags; |
1221 | |
1261 | |
1222 | REQ_SEND; |
1262 | REQ_SEND; |
1223 | } |
1263 | } |
1224 | } |
1264 | } |
1225 | |
1265 | |
1226 | void |
1266 | void |
|
|
1267 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1268 | PPCODE: |
|
|
1269 | { |
|
|
1270 | STRLEN svlen; |
|
|
1271 | char *svptr = SvPVbyte (data, svlen); |
|
|
1272 | UV len = SvUV (length); |
|
|
1273 | |
|
|
1274 | if (offset < 0) |
|
|
1275 | offset += svlen; |
|
|
1276 | |
|
|
1277 | if (offset < 0 || offset > svlen) |
|
|
1278 | croak ("offset outside of scalar"); |
|
|
1279 | |
|
|
1280 | if (!SvOK (length) || len + offset > svlen) |
|
|
1281 | len = svlen - offset; |
|
|
1282 | |
|
|
1283 | { |
|
|
1284 | dREQ; |
|
|
1285 | |
|
|
1286 | req->type = EIO_MLOCK; |
|
|
1287 | req->sv2 = SvREFCNT_inc (data); |
|
|
1288 | req->ptr2 = (char *)svptr + offset; |
|
|
1289 | req->size = len; |
|
|
1290 | |
|
|
1291 | REQ_SEND; |
|
|
1292 | } |
|
|
1293 | } |
|
|
1294 | |
|
|
1295 | void |
|
|
1296 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1297 | PPCODE: |
|
|
1298 | { |
|
|
1299 | dREQ; |
|
|
1300 | |
|
|
1301 | req->type = EIO_MLOCKALL; |
|
|
1302 | req->int1 = flags; |
|
|
1303 | |
|
|
1304 | REQ_SEND; |
|
|
1305 | } |
|
|
1306 | |
|
|
1307 | void |
1227 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1308 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1228 | PPCODE: |
1309 | PPCODE: |
1229 | { |
1310 | { |
1230 | dREQ; |
1311 | dREQ; |
1231 | |
1312 | |
… | |
… | |
1235 | REQ_SEND; |
1316 | REQ_SEND; |
1236 | } |
1317 | } |
1237 | |
1318 | |
1238 | void |
1319 | void |
1239 | aio_group (SV *callback=&PL_sv_undef) |
1320 | aio_group (SV *callback=&PL_sv_undef) |
1240 | PROTOTYPE: ;$ |
|
|
1241 | PPCODE: |
1321 | PPCODE: |
1242 | { |
1322 | { |
1243 | dREQ; |
1323 | dREQ; |
1244 | |
1324 | |
1245 | req->type = EIO_GROUP; |
1325 | req->type = EIO_GROUP; |
… | |
… | |
1262 | REQ_SEND; |
1342 | REQ_SEND; |
1263 | } |
1343 | } |
1264 | |
1344 | |
1265 | int |
1345 | int |
1266 | aioreq_pri (int pri = 0) |
1346 | aioreq_pri (int pri = 0) |
1267 | PROTOTYPE: ;$ |
|
|
1268 | CODE: |
1347 | CODE: |
1269 | RETVAL = next_pri; |
1348 | RETVAL = next_pri; |
1270 | if (items > 0) |
1349 | if (items > 0) |
1271 | { |
1350 | { |
1272 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1351 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
… | |
… | |
1284 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1363 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1285 | next_pri = nice; |
1364 | next_pri = nice; |
1286 | |
1365 | |
1287 | void |
1366 | void |
1288 | flush () |
1367 | flush () |
1289 | PROTOTYPE: |
|
|
1290 | CODE: |
1368 | CODE: |
1291 | while (eio_nreqs ()) |
1369 | while (eio_nreqs ()) |
1292 | { |
1370 | { |
1293 | poll_wait (); |
1371 | poll_wait (); |
1294 | poll_cb (); |
1372 | poll_cb (); |
1295 | } |
1373 | } |
1296 | |
1374 | |
1297 | int |
1375 | int |
1298 | poll() |
1376 | poll () |
1299 | PROTOTYPE: |
|
|
1300 | CODE: |
1377 | CODE: |
1301 | poll_wait (); |
1378 | poll_wait (); |
1302 | RETVAL = poll_cb (); |
1379 | RETVAL = poll_cb (); |
1303 | OUTPUT: |
1380 | OUTPUT: |
1304 | RETVAL |
1381 | RETVAL |
1305 | |
1382 | |
1306 | int |
1383 | int |
1307 | poll_fileno() |
1384 | poll_fileno () |
1308 | PROTOTYPE: |
|
|
1309 | CODE: |
1385 | CODE: |
1310 | RETVAL = s_epipe_fd (&respipe); |
1386 | RETVAL = s_epipe_fd (&respipe); |
1311 | OUTPUT: |
1387 | OUTPUT: |
1312 | RETVAL |
1388 | RETVAL |
1313 | |
1389 | |
1314 | int |
1390 | int |
1315 | poll_cb(...) |
1391 | poll_cb (...) |
1316 | PROTOTYPE: |
1392 | PROTOTYPE: |
1317 | CODE: |
1393 | CODE: |
1318 | RETVAL = poll_cb (); |
1394 | RETVAL = poll_cb (); |
1319 | OUTPUT: |
1395 | OUTPUT: |
1320 | RETVAL |
1396 | RETVAL |
1321 | |
1397 | |
1322 | void |
1398 | void |
1323 | poll_wait() |
1399 | poll_wait () |
1324 | PROTOTYPE: |
|
|
1325 | CODE: |
1400 | CODE: |
1326 | poll_wait (); |
1401 | poll_wait (); |
1327 | |
1402 | |
1328 | int |
1403 | int |
1329 | nreqs() |
1404 | nreqs () |
1330 | PROTOTYPE: |
|
|
1331 | CODE: |
1405 | CODE: |
1332 | RETVAL = eio_nreqs (); |
1406 | RETVAL = eio_nreqs (); |
1333 | OUTPUT: |
1407 | OUTPUT: |
1334 | RETVAL |
1408 | RETVAL |
1335 | |
1409 | |
1336 | int |
1410 | int |
1337 | nready() |
1411 | nready () |
1338 | PROTOTYPE: |
|
|
1339 | CODE: |
1412 | CODE: |
1340 | RETVAL = eio_nready (); |
1413 | RETVAL = eio_nready (); |
1341 | OUTPUT: |
1414 | OUTPUT: |
1342 | RETVAL |
1415 | RETVAL |
1343 | |
1416 | |
1344 | int |
1417 | int |
1345 | npending() |
1418 | npending () |
1346 | PROTOTYPE: |
|
|
1347 | CODE: |
1419 | CODE: |
1348 | RETVAL = eio_npending (); |
1420 | RETVAL = eio_npending (); |
1349 | OUTPUT: |
1421 | OUTPUT: |
1350 | RETVAL |
1422 | RETVAL |
1351 | |
1423 | |
1352 | int |
1424 | int |
1353 | nthreads() |
1425 | nthreads () |
1354 | PROTOTYPE: |
|
|
1355 | CODE: |
1426 | CODE: |
1356 | RETVAL = eio_nthreads (); |
1427 | RETVAL = eio_nthreads (); |
1357 | OUTPUT: |
1428 | OUTPUT: |
1358 | RETVAL |
1429 | RETVAL |
1359 | |
1430 | |
1360 | int |
1431 | int |
1361 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1432 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1362 | PROTOTYPE: $$$$ |
|
|
1363 | CODE: |
1433 | CODE: |
1364 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1365 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1434 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1366 | #else |
|
|
1367 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
|
|
1368 | #endif |
|
|
1369 | OUTPUT: |
1435 | OUTPUT: |
1370 | RETVAL |
1436 | RETVAL |
1371 | |
1437 | |
1372 | ssize_t |
1438 | ssize_t |
1373 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1439 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1374 | PROTOTYPE: $$$$ |
|
|
1375 | CODE: |
1440 | CODE: |
1376 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1441 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1377 | OUTPUT: |
1442 | OUTPUT: |
1378 | RETVAL |
1443 | RETVAL |
1379 | |
1444 | |
1380 | void |
1445 | void |
1381 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1446 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1382 | PROTOTYPE: $$$$$;$ |
|
|
1383 | PPCODE: |
1447 | PPCODE: |
1384 | sv_unmagic (scalar, MMAP_MAGIC); |
1448 | sv_unmagic (scalar, MMAP_MAGIC); |
1385 | { |
1449 | { |
1386 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1450 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1387 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1451 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1388 | if (addr == (void *)-1) |
1452 | if (addr == (void *)-1) |
1389 | XSRETURN_NO; |
1453 | XSRETURN_NO; |
1390 | |
1454 | |
|
|
1455 | sv_force_normal (scalar); |
|
|
1456 | |
1391 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
1457 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
1392 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1458 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1393 | ->mg_obj = (SV *)length; |
1459 | ->mg_obj = (SV *)length; |
1394 | |
1460 | |
1395 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
1461 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1462 | |
1396 | if (!(prot & PROT_WRITE)) |
1463 | if (!(prot & PROT_WRITE)) |
1397 | SvREADONLY_on (scalar); |
1464 | SvREADONLY_on (scalar); |
|
|
1465 | |
|
|
1466 | if (SvLEN (scalar)) |
|
|
1467 | Safefree (SvPVX (scalar)); |
1398 | |
1468 | |
1399 | SvPVX (scalar) = (char *)addr; |
1469 | SvPVX (scalar) = (char *)addr; |
1400 | SvCUR_set (scalar, length); |
1470 | SvCUR_set (scalar, length); |
1401 | SvLEN_set (scalar, 0); |
1471 | SvLEN_set (scalar, 0); |
1402 | SvPOK_only (scalar); |
1472 | SvPOK_only (scalar); |
… | |
… | |
1404 | XSRETURN_YES; |
1474 | XSRETURN_YES; |
1405 | } |
1475 | } |
1406 | |
1476 | |
1407 | void |
1477 | void |
1408 | munmap (SV *scalar) |
1478 | munmap (SV *scalar) |
1409 | PROTOTYPE: $ |
|
|
1410 | CODE: |
1479 | CODE: |
1411 | sv_unmagic (scalar, MMAP_MAGIC); |
1480 | sv_unmagic (scalar, MMAP_MAGIC); |
1412 | |
1481 | |
1413 | int |
1482 | int |
1414 | mlockall (int flags) |
1483 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
1415 | PROTOTYPE: $ |
1484 | ALIAS: |
|
|
1485 | mprotect = 1 |
1416 | CODE: |
1486 | CODE: |
|
|
1487 | { |
|
|
1488 | STRLEN svlen; |
|
|
1489 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1490 | size_t len = SvUV (length); |
|
|
1491 | |
|
|
1492 | if (offset < 0) |
|
|
1493 | offset += svlen; |
|
|
1494 | |
|
|
1495 | if (offset < 0 || offset > svlen) |
|
|
1496 | croak ("offset outside of scalar"); |
|
|
1497 | |
|
|
1498 | if (!SvOK (length) || len + offset > svlen) |
|
|
1499 | len = svlen - offset; |
|
|
1500 | |
|
|
1501 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1502 | eio_page_align (&addr, &len); |
|
|
1503 | |
|
|
1504 | switch (ix) |
|
|
1505 | { |
|
|
1506 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1507 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1508 | } |
|
|
1509 | } |
|
|
1510 | OUTPUT: |
|
|
1511 | RETVAL |
|
|
1512 | |
|
|
1513 | int |
|
|
1514 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1515 | CODE: |
|
|
1516 | { |
|
|
1517 | STRLEN svlen; |
|
|
1518 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1519 | size_t len = SvUV (length); |
|
|
1520 | |
|
|
1521 | if (offset < 0) |
|
|
1522 | offset += svlen; |
|
|
1523 | |
|
|
1524 | if (offset < 0 || offset > svlen) |
|
|
1525 | croak ("offset outside of scalar"); |
|
|
1526 | |
|
|
1527 | if (!SvOK (length) || len + offset > svlen) |
|
|
1528 | len = svlen - offset; |
|
|
1529 | |
|
|
1530 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1531 | eio_page_align (&addr, &len); |
1417 | #if _POSIX_MEMLOCK |
1532 | #if _POSIX_MEMLOCK_RANGE |
1418 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
1533 | RETVAL = munlock (addr, len); |
1419 | extern int mallopt (int, int); |
|
|
1420 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1421 | #endif |
|
|
1422 | mlockall (flags); |
|
|
1423 | #else |
1534 | #else |
1424 | RETVAL = -1; |
1535 | RETVAL = ((errno = ENOSYS), -1); |
1425 | errno = ENOSYS; |
|
|
1426 | #endif |
1536 | #endif |
|
|
1537 | } |
1427 | OUTPUT: |
1538 | OUTPUT: |
1428 | RETVAL |
1539 | RETVAL |
1429 | |
1540 | |
1430 | int |
1541 | int |
1431 | munlockall () |
1542 | munlockall () |
1432 | PROTOTYPE: |
|
|
1433 | CODE: |
1543 | CODE: |
1434 | #if _POSIX_MEMLOCK |
1544 | #if _POSIX_MEMLOCK |
1435 | munlockall (); |
1545 | munlockall (); |
1436 | #else |
1546 | #else |
1437 | RETVAL = -1; |
1547 | RETVAL = -1; |