| … | |
… | |
| 193 | use strict 'vars'; |
193 | use strict 'vars'; |
| 194 | |
194 | |
| 195 | use base 'Exporter'; |
195 | use base 'Exporter'; |
| 196 | |
196 | |
| 197 | BEGIN { |
197 | BEGIN { |
| 198 | our $VERSION = '3.1'; |
198 | our $VERSION = '3.16'; |
| 199 | |
199 | |
| 200 | our @AIO_REQ = qw(aio_sendfile aio_read aio_write aio_open aio_close |
200 | our @AIO_REQ = qw(aio_sendfile aio_read aio_write aio_open aio_close |
| 201 | aio_stat aio_lstat aio_unlink aio_rmdir aio_readdir |
201 | aio_stat aio_lstat aio_unlink aio_rmdir aio_readdir |
| 202 | aio_scandir aio_symlink aio_readlink aio_sync aio_fsync |
202 | aio_scandir aio_symlink aio_readlink aio_sync aio_fsync |
| 203 | aio_fdatasync aio_pathsync aio_readahead |
203 | aio_fdatasync aio_pathsync aio_readahead |
| … | |
… | |
| 1060 | =item feed $grp $callback->($grp) |
1060 | =item feed $grp $callback->($grp) |
| 1061 | |
1061 | |
| 1062 | Sets a feeder/generator on this group: every group can have an attached |
1062 | Sets a feeder/generator on this group: every group can have an attached |
| 1063 | generator that generates requests if idle. The idea behind this is that, |
1063 | generator that generates requests if idle. The idea behind this is that, |
| 1064 | although you could just queue as many requests as you want in a group, |
1064 | although you could just queue as many requests as you want in a group, |
| 1065 | this might starve other requests for a potentially long time. For |
1065 | this might starve other requests for a potentially long time. For example, |
| 1066 | example, C<aio_scandir> might generate hundreds of thousands C<aio_stat> |
1066 | C<aio_scandir> might generate hundreds of thousands C<aio_stat> requests, |
| 1067 | requests, delaying any later requests for a long time. |
1067 | delaying any later requests for a long time. |
| 1068 | |
1068 | |
| 1069 | To avoid this, and allow incremental generation of requests, you can |
1069 | To avoid this, and allow incremental generation of requests, you can |
| 1070 | instead a group and set a feeder on it that generates those requests. The |
1070 | instead a group and set a feeder on it that generates those requests. The |
| 1071 | feed callback will be called whenever there are few enough (see C<limit>, |
1071 | feed callback will be called whenever there are few enough (see C<limit>, |
| 1072 | below) requests active in the group itself and is expected to queue more |
1072 | below) requests active in the group itself and is expected to queue more |
