-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
#pragma once
/***
typedef struct UnitRef UnitRef;
typedef struct UnitStatusMessageFormats UnitStatusMessageFormats;
-#include "list.h"
#include "condition.h"
+#include "failure-action.h"
#include "install.h"
+#include "list.h"
#include "unit-name.h"
-#include "failure-action.h"
typedef enum KillOperation {
KILL_TERMINATE,
+ KILL_TERMINATE_AND_LOG,
KILL_KILL,
KILL_ABORT,
_KILL_OPERATION_MAX,
usec_t source_mtime;
usec_t dropin_mtime;
+ /* If this is a transient unit we are currently writing, this is where we are writing it to */
+ FILE *transient_file;
+
/* If there is something to do with this unit, then this is the installed job for it */
Job *job;
dual_timestamp condition_timestamp;
dual_timestamp assert_timestamp;
+ /* Updated whenever the low-level state changes */
+ dual_timestamp state_change_timestamp;
+
+ /* Updated whenever the (high-level) active state enters or leaves the active or inactive states */
dual_timestamp inactive_exit_timestamp;
dual_timestamp active_enter_timestamp;
dual_timestamp active_exit_timestamp;
* process SIGCHLD for */
Set *pids;
+ /* Used in sigchld event invocation to avoid repeat events being invoked */
+ uint64_t sigchldgen;
+
/* Used during GC sweeps */
unsigned gc_marker;
/* Error code when we didn't manage to load the unit (negative) */
int load_error;
+ /* Put a ratelimit on unit starting */
+ RateLimit start_limit;
+ FailureAction start_limit_action;
+ char *reboot_arg;
+
/* Make sure we never enter endless loops with the check unneeded logic, or the BindsTo= logic */
RateLimit auto_stop_ratelimit;
/* Counterparts in the cgroup filesystem */
char *cgroup_path;
CGroupMask cgroup_realized_mask;
+ CGroupMask cgroup_enabled_mask;
CGroupMask cgroup_subtree_mask;
CGroupMask cgroup_members_mask;
int cgroup_inotify_wd;
/* Ignore this unit when isolating */
bool ignore_on_isolate;
- /* Ignore this unit when snapshotting */
- bool ignore_on_snapshot;
-
/* Did the last condition check succeed? */
bool condition_result;
bool assert_result;
bool cgroup_members_mask_valid:1;
bool cgroup_subtree_mask_valid:1;
+ bool start_limit_hit:1;
+
/* Did we already invoke unit_coldplug() for this unit? */
bool coldplugged:1;
};
UNIT_PERSISTENT = 2,
} UnitSetPropertiesMode;
-#include "socket.h"
+#include "automount.h"
#include "busname.h"
-#include "target.h"
-#include "snapshot.h"
#include "device.h"
-#include "automount.h"
-#include "swap.h"
-#include "timer.h"
-#include "slice.h"
#include "path.h"
#include "scope.h"
+#include "slice.h"
+#include "socket.h"
+#include "swap.h"
+#include "target.h"
+#include "timer.h"
struct UnitVTable {
/* How much memory does an object of this unit type need */
* that */
size_t exec_runtime_offset;
+ /* If greater than 0, the offset into the object where the pointer to DynamicCreds is found, if the unit type
+ * has that. */
+ size_t dynamic_creds_offset;
+
/* The name of the configuration file section with the private settings of this unit */
const char *private_section;
int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds);
/* Try to match up fds with what we need for this unit */
- int (*distribute_fds)(Unit *u, FDSet *fds);
+ void (*distribute_fds)(Unit *u, FDSet *fds);
/* Boils down the more complex internal state of this unit to
* a simpler one that the engine can understand */
* shall release its runtime resources */
void (*release_resources)(Unit *u);
- /* Return true when this unit is suitable for snapshotting */
- bool (*check_snapshot)(Unit *u);
-
/* Invoked on every child that died */
void (*sigchld_event)(Unit *u, pid_t pid, int code, int status);
/* Called whenever CLOCK_REALTIME made a jump */
void (*time_change)(Unit *u);
- int (*get_timeout)(Unit *u, uint64_t *timeout);
+ /* Returns the next timeout of a unit */
+ int (*get_timeout)(Unit *u, usec_t *timeout);
+
+ /* Returns the main PID if there is any defined, or 0. */
+ pid_t (*main_pid)(Unit *u);
+
+ /* Returns the main PID if there is any defined, or 0. */
+ pid_t (*control_pid)(Unit *u);
/* This is called for each unit type and should be used to
* enumerate existing devices and load them. However,
* everything that is loaded here should still stay in
* inactive state. It is the job of the coldplug() call above
* to put the units into the initial state. */
- int (*enumerate)(Manager *m);
+ void (*enumerate)(Manager *m);
/* Type specific cleanups. */
void (*shutdown)(Manager *m);
/* The strings to print in status messages */
UnitStatusMessageFormats status_message_formats;
- /* Can units of this type have multiple names? */
- bool no_alias:1;
-
- /* Instances make no sense for this type */
- bool no_instances:1;
-
- /* Exclude from automatic gc */
- bool no_gc:1;
-
/* True if transient units of this type are OK */
bool can_transient:1;
};
DEFINE_CAST(SOCKET, Socket);
DEFINE_CAST(BUSNAME, BusName);
DEFINE_CAST(TARGET, Target);
-DEFINE_CAST(SNAPSHOT, Snapshot);
DEFINE_CAST(DEVICE, Device);
DEFINE_CAST(MOUNT, Mount);
DEFINE_CAST(AUTOMOUNT, Automount);
int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference);
int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference);
-int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference);
-int unit_add_two_dependencies_by_name_inverse(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference);
-
int unit_add_exec_dependencies(Unit *u, ExecContext *c);
int unit_choose_id(Unit *u, const char *name);
void unit_tidy_watch_pids(Unit *u, pid_t except1, pid_t except2);
-int unit_install_bus_match(sd_bus *bus, Unit *u, const char *name);
+int unit_install_bus_match(Unit *u, sd_bus *bus, const char *name);
int unit_watch_bus_name(Unit *u, const char *name);
void unit_unwatch_bus_name(Unit *u, const char *name);
int unit_serialize_item_fd(Unit *u, FILE *f, FDSet *fds, const char *key, int fd);
void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_(4,5);
-int unit_add_node_link(Unit *u, const char *what, bool wants);
+int unit_add_node_link(Unit *u, const char *what, bool wants, UnitDependency d);
int unit_coldplug(Unit *u);
ExecRuntime *unit_get_exec_runtime(Unit *u) _pure_;
int unit_setup_exec_runtime(Unit *u);
+int unit_setup_dynamic_creds(Unit *u);
int unit_write_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data);
int unit_write_drop_in_format(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *format, ...) _printf_(4,5);
int unit_write_drop_in_private(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data);
int unit_write_drop_in_private_format(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *format, ...) _printf_(4,5);
-int unit_remove_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name);
-
int unit_kill_context(Unit *u, KillContext *c, KillOperation k, pid_t main_pid, pid_t control_pid, bool main_pid_alien);
int unit_make_transient(Unit *u);
bool unit_type_supported(UnitType t);
+bool unit_is_pristine(Unit *u);
+
+pid_t unit_control_pid(Unit *u);
+pid_t unit_main_pid(Unit *u);
+
static inline bool unit_supported(Unit *u) {
return unit_type_supported(u->type);
}
void unit_warn_if_dir_nonempty(Unit *u, const char* where);
int unit_fail_if_symlink(Unit *u, const char* where);
+int unit_start_limit_test(Unit *u);
+
/* Macros which append UNIT= or USER_UNIT= to the message */
#define log_unit_full(unit, level, error, ...) \