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services: do not start services before all stopped processes has been halted

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Signed-off-by: Jonas Johansson <jonas.johansson@westermo.se>
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Jonas Johansson committed 2016-05-19 14:46:59 +02:00
1 parent c1f725340d
commit c5fad8e659
3 files changed
+40 -75
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sm.h
+11 -9
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@@ -25,24 +25,26 @@
#define FINIT_SM_H_
typedef enum {
SM_BOOTSTRAP_STATE = 0,
SM_RUNNING_STATE,
SM_RUNLEVEL_CHANGE_STATE,
SM_RUNLEVEL_WAIT_STATE,
SM_RELOAD_CHANGE_STATE,
SM_RELOAD_WAIT_STATE,
SM_BOOTSTRAP_STATE = 0, /* Init state, bootstrap services */
SM_RUNNING_STATE, /* Normal state, services running */
SM_RUNLEVEL_CHANGE_STATE, /* A runlevel change has occured */
SM_RUNLEVEL_WAIT_STATE, /* Waiting for all stopped runlevel processes to be halted */
SM_RELOAD_CHANGE_STATE, /* A reload event has occured */
SM_RELOAD_WAIT_STATE, /* Waiting for all stopped reload processes to be halted */
} sm_state_t;
typedef struct sm {
sm_state_t state;
int newlevel;
int reload;
sm_state_t state; /* Running, Changed, Waiting, ... */
int newlevel; /* Set on runlevel change to new runlevel, -1 if not change */
int reload; /* Set on reload event, else 0 */
int in_teardown; /* Set when waiting for all processes to be halted */
} sm_t;
void sm_init(sm_t *sm);
void sm_step(sm_t *sm);
void sm_set_runlevel(sm_t *sm, int newlevel);
void sm_set_reload(sm_t *sm);
int sm_is_in_teardown(sm_t *sm);
#endif /* FINIT_SM_H_ */