X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fswap.h;h=8a604169004e10d53dc6d6b83eeb727a20ae668f;hp=9c249ca43cd93f5d5d3bdf4f984c8e66421c04e8;hb=e04aad61bb5eff117e51631727a3ef2807c75d6b;hpb=60b912f6b1c6bce67ec4a979594981f6a3b13987 diff --git a/src/swap.h b/src/swap.h index 9c249ca43..8a6041690 100644 --- a/src/swap.h +++ b/src/swap.h @@ -29,12 +29,25 @@ typedef struct Swap Swap; typedef enum SwapState { SWAP_DEAD, + SWAP_ACTIVATING, SWAP_ACTIVE, + SWAP_DEACTIVATING, + SWAP_ACTIVATING_SIGTERM, + SWAP_ACTIVATING_SIGKILL, + SWAP_DEACTIVATING_SIGTERM, + SWAP_DEACTIVATING_SIGKILL, SWAP_FAILED, _SWAP_STATE_MAX, _SWAP_STATE_INVALID = -1 } SwapState; +typedef enum SwapExecCommand { + SWAP_EXEC_ACTIVATE, + SWAP_EXEC_DEACTIVATE, + _SWAP_EXEC_COMMAND_MAX, + _SWAP_EXEC_COMMAND_INVALID = -1 +} SwapExecCommand; + typedef struct SwapParameters { char *what; int priority; @@ -46,27 +59,55 @@ typedef struct SwapParameters { struct Swap { Meta meta; + char *what; + SwapParameters parameters_etc_fstab; SwapParameters parameters_proc_swaps; SwapParameters parameters_fragment; - char *what; - - SwapState state, deserialized_state; - bool from_etc_fstab:1; bool from_proc_swaps:1; bool from_fragment:1; + + bool failure:1; + + /* Used while looking for swaps that vanished or got added + * from/to /proc/swaps */ + bool is_active:1; + bool just_activated:1; + + usec_t timeout_usec; + + ExecCommand exec_command[_SWAP_EXEC_COMMAND_MAX]; + ExecContext exec_context; + + SwapState state, deserialized_state; + + ExecCommand* control_command; + SwapExecCommand control_command_id; + pid_t control_pid; + + Watch timer_watch; + + /* In order to be able to distuingish dependencies on + different device nodes we might end up creating multiple + devices for the same swap. We chain them up here. */ + + LIST_FIELDS(struct Swap, same_proc_swaps); }; extern const UnitVTable swap_vtable; -int swap_add_one(Manager *m, const char *what, int prio, bool no_auto, bool no_fail, bool handle, bool from_proc_swap); +int swap_add_one(Manager *m, const char *what, const char *what_proc_swaps, int prio, bool no_auto, bool no_fail, bool handle, bool set_flags); int swap_add_one_mount_link(Swap *s, Mount *m); +int swap_dispatch_reload(Manager *m); + const char* swap_state_to_string(SwapState i); SwapState swap_state_from_string(const char *s); +const char* swap_exec_command_to_string(SwapExecCommand i); +SwapExecCommand swap_exec_command_from_string(const char *s); #endif