… | |
… | |
950 | res = -1; |
950 | res = -1; |
951 | |
951 | |
952 | req->result = res; |
952 | req->result = res; |
953 | } |
953 | } |
954 | |
954 | |
|
|
955 | #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) |
|
|
956 | # define msync(a,b,c) ENOSYS |
|
|
957 | #endif |
|
|
958 | |
|
|
959 | int |
|
|
960 | eio__mtouch (void *mem, size_t len, int flags) |
|
|
961 | { |
|
|
962 | intptr_t addr = (intptr_t)mem; |
|
|
963 | intptr_t end = addr + len; |
|
|
964 | #ifdef PAGESIZE |
|
|
965 | const intptr_t page = PAGESIZE; |
|
|
966 | #else |
|
|
967 | static intptr_t page; |
|
|
968 | |
|
|
969 | if (!page) |
|
|
970 | page = sysconf (_SC_PAGESIZE); |
|
|
971 | #endif |
|
|
972 | |
|
|
973 | addr &= ~(page - 1); /* assume page size is always a power of two */ |
|
|
974 | |
|
|
975 | if (addr < end) |
|
|
976 | if (flags) /* modify */ |
|
|
977 | do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len); |
|
|
978 | else |
|
|
979 | do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len); |
|
|
980 | |
|
|
981 | return 0; |
|
|
982 | } |
|
|
983 | |
955 | /*****************************************************************************/ |
984 | /*****************************************************************************/ |
956 | |
985 | |
957 | #define ALLOC(len) \ |
986 | #define ALLOC(len) \ |
958 | if (!req->ptr2) \ |
987 | if (!req->ptr2) \ |
959 | { \ |
988 | { \ |
… | |
… | |
1124 | req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
1153 | req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
1125 | |
1154 | |
1126 | case EIO_SYNC: req->result = 0; sync (); break; |
1155 | case EIO_SYNC: req->result = 0; sync (); break; |
1127 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1156 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1128 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1157 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1158 | case EIO_MSYNC: req->result = msync (req->ptr2, req->size, req->int1); break; |
|
|
1159 | case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break; |
1129 | |
1160 | |
1130 | case EIO_READDIR: eio__scandir (req, self); break; |
1161 | case EIO_READDIR: eio__scandir (req, self); break; |
1131 | |
1162 | |
1132 | case EIO_BUSY: |
1163 | case EIO_BUSY: |
1133 | #ifdef _WIN32 |
1164 | #ifdef _WIN32 |
… | |
… | |
1172 | case EIO_NOP: |
1203 | case EIO_NOP: |
1173 | req->result = 0; |
1204 | req->result = 0; |
1174 | break; |
1205 | break; |
1175 | |
1206 | |
1176 | case EIO_CUSTOM: |
1207 | case EIO_CUSTOM: |
1177 | req->feed (req); |
1208 | ((void (*)(eio_req *))req->feed) (req); |
1178 | break; |
1209 | break; |
1179 | |
1210 | |
1180 | default: |
1211 | default: |
1181 | req->result = -1; |
1212 | req->result = -1; |
1182 | break; |
1213 | break; |
… | |
… | |
1203 | } |
1234 | } |
1204 | |
1235 | |
1205 | eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data) |
1236 | eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data) |
1206 | { |
1237 | { |
1207 | REQ (EIO_FSYNC); req->int1 = fd; SEND; |
1238 | REQ (EIO_FSYNC); req->int1 = fd; SEND; |
|
|
1239 | } |
|
|
1240 | |
|
|
1241 | eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
|
|
1242 | { |
|
|
1243 | REQ (EIO_MSYNC); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
|
|
1244 | } |
|
|
1245 | |
|
|
1246 | eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) |
|
|
1247 | { |
|
|
1248 | REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; |
1208 | } |
1249 | } |
1209 | |
1250 | |
1210 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
1251 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
1211 | { |
1252 | { |
1212 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
1253 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
… | |
… | |
1369 | return eio__2path (EIO_RENAME, path, new_path, pri, cb, data); |
1410 | return eio__2path (EIO_RENAME, path, new_path, pri, cb, data); |
1370 | } |
1411 | } |
1371 | |
1412 | |
1372 | eio_req *eio_custom (eio_cb execute, int pri, eio_cb cb, void *data) |
1413 | eio_req *eio_custom (eio_cb execute, int pri, eio_cb cb, void *data) |
1373 | { |
1414 | { |
1374 | REQ (EIO_CUSTOM); req->feed = execute; SEND; |
1415 | REQ (EIO_CUSTOM); req->feed = (void (*)(eio_req *))execute; SEND; |
1375 | } |
1416 | } |
1376 | |
1417 | |
1377 | #endif |
1418 | #endif |
1378 | |
1419 | |
1379 | eio_req *eio_grp (eio_cb cb, void *data) |
1420 | eio_req *eio_grp (eio_cb cb, void *data) |