diff options
Diffstat (limited to 'src/core/special.h')
| -rw-r--r-- | src/core/special.h | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/src/core/special.h b/src/core/special.h index e3004a518d..ef72260ecd 100644 --- a/src/core/special.h +++ b/src/core/special.h @@ -37,6 +37,7 @@ #define SPECIAL_EXIT_TARGET "exit.target" #define SPECIAL_SUSPEND_TARGET "suspend.target" #define SPECIAL_HIBERNATE_TARGET "hibernate.target" +#define SPECIAL_HYBRID_SLEEP_TARGET "hybrid-sleep.target" /* Special boot targets */ #define SPECIAL_RESCUE_TARGET "rescue.target" @@ -58,9 +59,34 @@ #define SPECIAL_RPCBIND_TARGET "rpcbind.target" /* LSB's $portmap */ #define SPECIAL_SYSLOG_TARGET "syslog.target" /* LSB's $syslog */ #define SPECIAL_TIME_SYNC_TARGET "time-sync.target" /* LSB's $time */ -#define SPECIAL_DISPLAY_MANAGER_SERVICE "display-manager.service" /* Debian's $x-display-manager */ -#define SPECIAL_MAIL_TRANSFER_AGENT_TARGET "mail-transfer-agent.target" /* Debian's $mail-{transport|transfer-agent */ -#define SPECIAL_HTTP_DAEMON_TARGET "http-daemon.target" +#define SPECIAL_DISPLAY_MANAGER_SERVICE "display-manager.service" /* Common extension of LSB */ +#define SPECIAL_MAIL_TRANSFER_AGENT_TARGET "mail-transfer-agent.target" /* Common extension of LSB */ + +/* + * Rules regarding adding further high level targets like the above: + * + * - Be conservative, only add more of these when we really need + * them. We need strong usecases for further additions. + * + * - When there can be multiple implementations running side-by-side, + * it needs to be a .target unit which can pull in all + * implementations. + * + * - If something can be implemented with socket activation, and + * without, it needs to be a .target unit, so that it can pull in + * the appropriate unit. + * + * - Otherwise, it should be a .service unit. + * + * - In some cases it is OK to have both a .service and a .target + * unit, i.e. if there can be multiple parallel implementations, but + * only one is the "system" one. Example: syslog. + * + * Or to put this in other words: .service symlinks can be used to + * arbitrate between multiple implementations if there can be only one + * of a kind. .target units can be used to support multiple + * implementations that can run side-by-side. + */ /* Magic early boot services */ #define SPECIAL_FSCK_SERVICE "systemd-fsck@.service" |