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| author | Max Kellermann <max@duempel.org> | 2009-10-08 15:22:39 +0200 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2009-10-08 15:22:39 +0200 |
| commit | ecb118f1edab572a904890eddafd3b11c0a79a79 (patch) | |
| tree | 4e273cd64778fcff80250b3b33ffb050a257c981 /src/volume.h | |
| parent | 1e663b186998ffdeef9b3b9775558e9378bad342 (diff) | |
| download | mpd-ecb118f1edab572a904890eddafd3b11c0a79a79.tar.gz mpd-ecb118f1edab572a904890eddafd3b11c0a79a79.tar.xz mpd-ecb118f1edab572a904890eddafd3b11c0a79a79.zip | |
state_file: save only if something has changed
If nothing has changed since the last save, don't save the state
file. Saving will spin up the hard drive, which is undesirable on
hosts where MPD is idling in background.
Diffstat (limited to 'src/volume.h')
| -rw-r--r-- | src/volume.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/volume.h b/src/volume.h index 0db231ef6..66e7c43f0 100644 --- a/src/volume.h +++ b/src/volume.h @@ -36,4 +36,13 @@ read_sw_volume_state(const char *line); void save_sw_volume_state(FILE *fp); +/** + * Generates a hash number for the current state of the software + * volume control. This is used by timer_save_state_file() to + * determine whether the state has changed and the state file should + * be saved. + */ +unsigned +sw_volume_state_get_hash(void); + #endif |