… | |
… | |
123 | /*****************************************************************************/ |
123 | /*****************************************************************************/ |
124 | |
124 | |
125 | #define ETP_PRI_MIN EIO_PRI_MIN |
125 | #define ETP_PRI_MIN EIO_PRI_MIN |
126 | #define ETP_PRI_MAX EIO_PRI_MAX |
126 | #define ETP_PRI_MAX EIO_PRI_MAX |
127 | |
127 | |
|
|
128 | struct etp_worker; |
|
|
129 | |
128 | #define ETP_REQ eio_req |
130 | #define ETP_REQ eio_req |
129 | #define ETP_DESTROY(req) eio_destroy (req) |
131 | #define ETP_DESTROY(req) eio_destroy (req) |
130 | static int eio_finish (eio_req *req); |
132 | static int eio_finish (eio_req *req); |
131 | #define ETP_FINISH(req) eio_finish (req) |
133 | #define ETP_FINISH(req) eio_finish (req) |
|
|
134 | static void eio_execute (struct etp_worker *self, eio_req *req); |
|
|
135 | #define ETP_EXECUTE(wrk,req) eio_execute (wrk,req) |
132 | |
136 | |
133 | #define ETP_WORKER_CLEAR(req) \ |
137 | #define ETP_WORKER_CLEAR(req) \ |
134 | if (wrk->dbuf) \ |
138 | if (wrk->dbuf) \ |
135 | { \ |
139 | { \ |
136 | free (wrk->dbuf); \ |
140 | free (wrk->dbuf); \ |
… | |
… | |
310 | X_LOCK (reqlock); |
314 | X_LOCK (reqlock); |
311 | X_LOCK (reslock); |
315 | X_LOCK (reslock); |
312 | #if !HAVE_PREADWRITE |
316 | #if !HAVE_PREADWRITE |
313 | X_LOCK (preadwritelock); |
317 | X_LOCK (preadwritelock); |
314 | #endif |
318 | #endif |
315 | #if !HAVE_READDIR_R |
|
|
316 | X_LOCK (readdirlock); |
|
|
317 | #endif |
|
|
318 | } |
319 | } |
319 | |
320 | |
320 | static void etp_atfork_parent (void) |
321 | static void etp_atfork_parent (void) |
321 | { |
322 | { |
322 | #if !HAVE_READDIR_R |
|
|
323 | X_UNLOCK (readdirlock); |
|
|
324 | #endif |
|
|
325 | #if !HAVE_PREADWRITE |
323 | #if !HAVE_PREADWRITE |
326 | X_UNLOCK (preadwritelock); |
324 | X_UNLOCK (preadwritelock); |
327 | #endif |
325 | #endif |
328 | X_UNLOCK (reslock); |
326 | X_UNLOCK (reslock); |
329 | X_UNLOCK (reqlock); |
327 | X_UNLOCK (reqlock); |
… | |
… | |
797 | return count; |
795 | return count; |
798 | } |
796 | } |
799 | |
797 | |
800 | #endif |
798 | #endif |
801 | |
799 | |
802 | #if !HAVE_READDIR_R |
|
|
803 | # define readdir_r eio__readdir_r |
|
|
804 | |
|
|
805 | static mutex_t readdirlock = X_MUTEX_INIT; |
|
|
806 | |
|
|
807 | static int |
|
|
808 | eio__readdir_r (DIR *dirp, EIO_STRUCT_DIRENT *ent, EIO_STRUCT_DIRENT **res) |
|
|
809 | { |
|
|
810 | EIO_STRUCT_DIRENT *e; |
|
|
811 | int errorno; |
|
|
812 | |
|
|
813 | X_LOCK (readdirlock); |
|
|
814 | |
|
|
815 | e = readdir (dirp); |
|
|
816 | errorno = errno; |
|
|
817 | |
|
|
818 | if (e) |
|
|
819 | { |
|
|
820 | *res = ent; |
|
|
821 | strcpy (ent->d_name, e->d_name); |
|
|
822 | } |
|
|
823 | else |
|
|
824 | *res = 0; |
|
|
825 | |
|
|
826 | X_UNLOCK (readdirlock); |
|
|
827 | |
|
|
828 | errno = errorno; |
|
|
829 | return e ? 0 : -1; |
|
|
830 | } |
|
|
831 | #endif |
|
|
832 | |
|
|
833 | /* sendfile always needs emulation */ |
800 | /* sendfile always needs emulation */ |
834 | static ssize_t |
801 | static ssize_t |
835 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count, etp_worker *self) |
802 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count, etp_worker *self) |
836 | { |
803 | { |
837 | ssize_t res; |
804 | ssize_t res; |
… | |
… | |
927 | /* read a full directory */ |
894 | /* read a full directory */ |
928 | static void |
895 | static void |
929 | eio__scandir (eio_req *req, etp_worker *self) |
896 | eio__scandir (eio_req *req, etp_worker *self) |
930 | { |
897 | { |
931 | DIR *dirp; |
898 | DIR *dirp; |
932 | union |
|
|
933 | { |
|
|
934 | EIO_STRUCT_DIRENT d; |
|
|
935 | char b [offsetof (EIO_STRUCT_DIRENT, d_name) + NAME_MAX + 1]; |
|
|
936 | } *u; |
|
|
937 | EIO_STRUCT_DIRENT *entp; |
899 | EIO_STRUCT_DIRENT *entp; |
938 | char *name, *names; |
900 | char *name, *names; |
939 | int memlen = 4096; |
901 | int memlen = 4096; |
940 | int memofs = 0; |
902 | int memofs = 0; |
941 | int res = 0; |
903 | int res = 0; |
942 | |
904 | |
943 | X_LOCK (wrklock); |
905 | X_LOCK (wrklock); |
944 | self->dirp = dirp = opendir (req->ptr1); |
906 | self->dirp = dirp = opendir (req->ptr1); |
945 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
946 | req->flags |= EIO_FLAG_PTR2_FREE; |
907 | req->flags |= EIO_FLAG_PTR2_FREE; |
947 | req->ptr2 = names = malloc (memlen); |
908 | req->ptr2 = names = malloc (memlen); |
948 | X_UNLOCK (wrklock); |
909 | X_UNLOCK (wrklock); |
949 | |
910 | |
950 | if (dirp && u && names) |
911 | if (dirp && names) |
951 | for (;;) |
912 | for (;;) |
952 | { |
913 | { |
953 | errno = 0; |
914 | errno = 0; |
954 | readdir_r (dirp, &u->d, &entp); |
915 | entp = readdir (dirp); |
955 | |
916 | |
956 | if (!entp) |
917 | if (!entp) |
957 | break; |
918 | break; |
958 | |
919 | |
959 | name = entp->d_name; |
920 | name = entp->d_name; |
… | |
… | |
1047 | |
1008 | |
1048 | --nready; |
1009 | --nready; |
1049 | |
1010 | |
1050 | X_UNLOCK (reqlock); |
1011 | X_UNLOCK (reqlock); |
1051 | |
1012 | |
1052 | errno = 0; /* strictly unnecessary */ |
1013 | if (req->type < 0) |
|
|
1014 | goto quit; |
1053 | |
1015 | |
1054 | if (!EIO_CANCELLED (req)) |
1016 | if (!EIO_CANCELLED (req)) |
1055 | switch (req->type) |
1017 | ETP_EXECUTE (self, req); |
1056 | { |
|
|
1057 | case EIO_READ: ALLOC (req->size); |
|
|
1058 | req->result = req->offs >= 0 |
|
|
1059 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
|
|
1060 | : read (req->int1, req->ptr2, req->size); break; |
|
|
1061 | case EIO_WRITE: req->result = req->offs >= 0 |
|
|
1062 | ? pwrite (req->int1, req->ptr2, req->size, req->offs) |
|
|
1063 | : write (req->int1, req->ptr2, req->size); break; |
|
|
1064 | |
|
|
1065 | case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1066 | case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1067 | |
|
|
1068 | case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
|
|
1069 | req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
|
|
1070 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
|
|
1071 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
|
|
1072 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
|
|
1073 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
|
|
1074 | |
|
|
1075 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1076 | case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1077 | case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; |
|
|
1078 | case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; |
|
|
1079 | case EIO_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1080 | case EIO_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1081 | |
|
|
1082 | case EIO_OPEN: req->result = open (req->ptr1, req->int1, (mode_t)req->int2); break; |
|
|
1083 | case EIO_CLOSE: req->result = close (req->int1); break; |
|
|
1084 | case EIO_DUP2: req->result = dup2 (req->int1, req->int2); break; |
|
|
1085 | case EIO_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1086 | case EIO_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1087 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
|
|
1088 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
|
|
1089 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
|
|
1090 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
|
|
1091 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; |
|
|
1092 | |
|
|
1093 | case EIO_READLINK: ALLOC (NAME_MAX); |
|
|
1094 | req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
|
|
1095 | |
|
|
1096 | case EIO_SYNC: req->result = 0; sync (); break; |
|
|
1097 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
|
|
1098 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1099 | |
|
|
1100 | case EIO_READDIR: eio__scandir (req, self); break; |
|
|
1101 | |
|
|
1102 | case EIO_BUSY: |
|
|
1103 | #ifdef _WIN32 |
|
|
1104 | Sleep (req->nv1 * 1000.); |
|
|
1105 | #else |
|
|
1106 | { |
|
|
1107 | struct timeval tv; |
|
|
1108 | |
|
|
1109 | tv.tv_sec = req->nv1; |
|
|
1110 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
|
|
1111 | |
|
|
1112 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1113 | } |
|
|
1114 | #endif |
|
|
1115 | break; |
|
|
1116 | |
|
|
1117 | case EIO_UTIME: |
|
|
1118 | case EIO_FUTIME: |
|
|
1119 | { |
|
|
1120 | struct timeval tv[2]; |
|
|
1121 | struct timeval *times; |
|
|
1122 | |
|
|
1123 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1124 | { |
|
|
1125 | tv[0].tv_sec = req->nv1; |
|
|
1126 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1127 | tv[1].tv_sec = req->nv2; |
|
|
1128 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1129 | |
|
|
1130 | times = tv; |
|
|
1131 | } |
|
|
1132 | else |
|
|
1133 | times = 0; |
|
|
1134 | |
|
|
1135 | |
|
|
1136 | req->result = req->type == EIO_FUTIME |
|
|
1137 | ? futimes (req->int1, times) |
|
|
1138 | : utimes (req->ptr1, times); |
|
|
1139 | } |
|
|
1140 | |
|
|
1141 | case EIO_GROUP: |
|
|
1142 | case EIO_NOP: |
|
|
1143 | req->result = 0; |
|
|
1144 | break; |
|
|
1145 | |
|
|
1146 | case -1: |
|
|
1147 | goto quit; |
|
|
1148 | |
|
|
1149 | default: |
|
|
1150 | req->result = -1; |
|
|
1151 | break; |
|
|
1152 | } |
|
|
1153 | |
|
|
1154 | req->errorno = errno; |
|
|
1155 | |
1018 | |
1156 | X_LOCK (reslock); |
1019 | X_LOCK (reslock); |
1157 | |
1020 | |
1158 | ++npending; |
1021 | ++npending; |
1159 | |
1022 | |
… | |
… | |
1208 | { \ |
1071 | { \ |
1209 | eio_api_destroy (req); \ |
1072 | eio_api_destroy (req); \ |
1210 | return 0; \ |
1073 | return 0; \ |
1211 | } |
1074 | } |
1212 | |
1075 | |
|
|
1076 | static void eio_execute (etp_worker *self, eio_req *req) |
|
|
1077 | { |
|
|
1078 | errno = 0; |
|
|
1079 | |
|
|
1080 | switch (req->type) |
|
|
1081 | { |
|
|
1082 | case EIO_READ: ALLOC (req->size); |
|
|
1083 | req->result = req->offs >= 0 |
|
|
1084 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
|
|
1085 | : read (req->int1, req->ptr2, req->size); break; |
|
|
1086 | case EIO_WRITE: req->result = req->offs >= 0 |
|
|
1087 | ? pwrite (req->int1, req->ptr2, req->size, req->offs) |
|
|
1088 | : write (req->int1, req->ptr2, req->size); break; |
|
|
1089 | |
|
|
1090 | case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1091 | case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1092 | |
|
|
1093 | case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
|
|
1094 | req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
|
|
1095 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
|
|
1096 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
|
|
1097 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
|
|
1098 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
|
|
1099 | |
|
|
1100 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1101 | case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1102 | case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; |
|
|
1103 | case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; |
|
|
1104 | case EIO_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1105 | case EIO_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1106 | |
|
|
1107 | case EIO_OPEN: req->result = open (req->ptr1, req->int1, (mode_t)req->int2); break; |
|
|
1108 | case EIO_CLOSE: req->result = close (req->int1); break; |
|
|
1109 | case EIO_DUP2: req->result = dup2 (req->int1, req->int2); break; |
|
|
1110 | case EIO_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1111 | case EIO_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1112 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
|
|
1113 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
|
|
1114 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
|
|
1115 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
|
|
1116 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; |
|
|
1117 | |
|
|
1118 | case EIO_READLINK: ALLOC (NAME_MAX); |
|
|
1119 | req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
|
|
1120 | |
|
|
1121 | case EIO_SYNC: req->result = 0; sync (); break; |
|
|
1122 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
|
|
1123 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1124 | |
|
|
1125 | case EIO_READDIR: eio__scandir (req, self); break; |
|
|
1126 | |
|
|
1127 | case EIO_BUSY: |
|
|
1128 | #ifdef _WIN32 |
|
|
1129 | Sleep (req->nv1 * 1000.); |
|
|
1130 | #else |
|
|
1131 | { |
|
|
1132 | struct timeval tv; |
|
|
1133 | |
|
|
1134 | tv.tv_sec = req->nv1; |
|
|
1135 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
|
|
1136 | |
|
|
1137 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1138 | } |
|
|
1139 | #endif |
|
|
1140 | break; |
|
|
1141 | |
|
|
1142 | case EIO_UTIME: |
|
|
1143 | case EIO_FUTIME: |
|
|
1144 | { |
|
|
1145 | struct timeval tv[2]; |
|
|
1146 | struct timeval *times; |
|
|
1147 | |
|
|
1148 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1149 | { |
|
|
1150 | tv[0].tv_sec = req->nv1; |
|
|
1151 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1152 | tv[1].tv_sec = req->nv2; |
|
|
1153 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1154 | |
|
|
1155 | times = tv; |
|
|
1156 | } |
|
|
1157 | else |
|
|
1158 | times = 0; |
|
|
1159 | |
|
|
1160 | |
|
|
1161 | req->result = req->type == EIO_FUTIME |
|
|
1162 | ? futimes (req->int1, times) |
|
|
1163 | : utimes (req->ptr1, times); |
|
|
1164 | } |
|
|
1165 | |
|
|
1166 | case EIO_GROUP: |
|
|
1167 | case EIO_NOP: |
|
|
1168 | req->result = 0; |
|
|
1169 | break; |
|
|
1170 | |
|
|
1171 | case EIO_CUSTOM: |
|
|
1172 | req->feed (req); |
|
|
1173 | break; |
|
|
1174 | |
|
|
1175 | default: |
|
|
1176 | req->result = -1; |
|
|
1177 | break; |
|
|
1178 | } |
|
|
1179 | |
|
|
1180 | req->errorno = errno; |
|
|
1181 | } |
|
|
1182 | |
1213 | #ifndef EIO_NO_WRAPPERS |
1183 | #ifndef EIO_NO_WRAPPERS |
1214 | |
1184 | |
1215 | eio_req *eio_nop (int pri, eio_cb cb, void *data) |
1185 | eio_req *eio_nop (int pri, eio_cb cb, void *data) |
1216 | { |
1186 | { |
1217 | REQ (EIO_NOP); SEND; |
1187 | REQ (EIO_NOP); SEND; |
… | |
… | |
1392 | eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1362 | eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1393 | { |
1363 | { |
1394 | return eio__2path (EIO_RENAME, path, new_path, pri, cb, data); |
1364 | return eio__2path (EIO_RENAME, path, new_path, pri, cb, data); |
1395 | } |
1365 | } |
1396 | |
1366 | |
|
|
1367 | eio_req *eio_custom (eio_cb execute, int pri, eio_cb cb, void *data) |
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1368 | { |
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1369 | REQ (EIO_CUSTOM); req->feed = execute; SEND; |
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1370 | } |
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1371 | |
1397 | #endif |
1372 | #endif |
1398 | |
1373 | |
1399 | eio_req *eio_grp (eio_cb cb, void *data) |
1374 | eio_req *eio_grp (eio_cb cb, void *data) |
1400 | { |
1375 | { |
1401 | const int pri = EIO_PRI_MAX; |
1376 | const int pri = EIO_PRI_MAX; |