Commit 5e0f1940 authored by Juan Quintela's avatar Juan Quintela
Browse files

runstate: Add runstate store 



This allows us to store the current state to send it through migration.

Signed-off-by: default avatarJuan Quintela <quintela@redhat.com>
Reviewed-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
parent ff14e817

include/sysemu/sysemu.h

+1 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ bool runstate_check(RunState state); 
void runstate_set(RunState new_state);

int runstate_is_running(void);

bool runstate_needs_reset(void);

bool runstate_store(char *str, size_t size);

typedef struct vm_change_state_entry VMChangeStateEntry;

typedef void VMChangeStateHandler(void *opaque, int running, RunState state);

vl.c

+12 −0
Original line number Diff line number Diff line
@@ -634,6 +634,18 @@ bool runstate_check(RunState state) 
    return current_run_state == state;

}



bool runstate_store(char *str, size_t size)

{

    const char *state = RunState_lookup[current_run_state];

    size_t len = strlen(state) + 1;



    if (len > size) {

        return false;

    }

    memcpy(str, state, len);

    return true;

}



static void runstate_init(void)

{

    const RunStateTransition *p;