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RunState: Add additional states

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Currently, only vm_start() and vm_stop() change the VM state.
That's, the state is only changed when starting or stopping the VM.

This commit adds the runstate_set() function, which makes it possible
to also do state transitions when the VM is stopped or running.

Additional states are also added and the current state is stored.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Luiz Capitulino 2011-07-29 15:04:45 -03:00
parent 1dfb4dd993
commit f5bbfba1eb
4 changed files with 35 additions and 2 deletions
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8
sysemu.h
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@ -13,15 +13,19 @@
typedef enum {
RSTATE_NO_STATE,
RSTATE_DEBUG, /* qemu is running under gdb */
RSTATE_IN_MIGRATE, /* paused waiting for an incoming migration */
RSTATE_PANICKED, /* paused due to an internal error */
RSTATE_IO_ERROR, /* paused due to an I/O error */
RSTATE_PAUSED, /* paused by the user (ie. the 'stop' command) */
RSTATE_POST_MIGRATE, /* paused following a successful migration */
RSTATE_PRE_LAUNCH, /* qemu was started with -S and haven't started */
RSTATE_PRE_MIGRATE, /* paused preparing to finish migrate */
RSTATE_RESTORE, /* paused restoring the VM state */
RSTATE_RUNNING, /* qemu is running */
RSTATE_SAVEVM, /* paused saving VM state */
RSTATE_SHUTDOWN, /* guest shut down and -no-shutdown is in use */
RSTATE_WATCHDOG /* watchdog fired and qemu is configured to pause */
RSTATE_WATCHDOG, /* watchdog fired and qemu is configured to pause */
RSTATE_MAX
} RunState;
extern const char *bios_name;
@ -32,6 +36,8 @@ extern uint8_t qemu_uuid[];
int qemu_uuid_parse(const char *str, uint8_t *uuid);
#define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
bool runstate_check(RunState state);
void runstate_set(RunState new_state);
typedef struct vm_change_state_entry VMChangeStateEntry;
typedef void VMChangeStateHandler(void *opaque, int running, RunState state);