From b30e2f4c18ad81b04e4314fd191a5d458553773c Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Wed, 11 Apr 2012 12:59:52 +0200 Subject: move libsystemd_core.la sources into core/ --- src/core/swap.h | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 src/core/swap.h (limited to 'src/core/swap.h') diff --git a/src/core/swap.h b/src/core/swap.h new file mode 100644 index 0000000000..62d08da30b --- /dev/null +++ b/src/core/swap.h @@ -0,0 +1,128 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#ifndef fooswaphfoo +#define fooswaphfoo + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + Copyright 2010 Maarten Lankhorst + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see . +***/ + +typedef struct Swap Swap; + +#include "unit.h" + +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; + bool noauto:1; + bool nofail:1; + bool handle:1; +} SwapParameters; + +typedef enum SwapResult { + SWAP_SUCCESS, + SWAP_FAILURE_RESOURCES, + SWAP_FAILURE_TIMEOUT, + SWAP_FAILURE_EXIT_CODE, + SWAP_FAILURE_SIGNAL, + SWAP_FAILURE_CORE_DUMP, + _SWAP_RESULT_MAX, + _SWAP_RESULT_INVALID = -1 +} SwapResult; + +struct Swap { + Unit meta; + + char *what; + + SwapParameters parameters_etc_fstab; + SwapParameters parameters_proc_swaps; + SwapParameters parameters_fragment; + + bool from_etc_fstab:1; + bool from_proc_swaps:1; + bool from_fragment:1; + + /* Used while looking for swaps that vanished or got added + * from/to /proc/swaps */ + bool is_active:1; + bool just_activated:1; + + SwapResult result; + + 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 distinguish 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, 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); +int swap_fd_event(Manager *m, int events); + +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); + +const char* swap_result_to_string(SwapResult i); +SwapResult swap_result_from_string(const char *s); + +#endif -- cgit v1.2.3-54-g00ecf