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vl: add qemu_add_vm_change_state_handler_prio()

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Add an API for registering vm change state handlers with a well-defined
ordering.  This is necessary when handlers depend on each other.

Small coding style fixes are included to make checkpatch.pl happy.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2019-06-20 18:37:07 +01:00 • committed by Kevin Wolf
parent df34fe314b
commit 60dbc5a1c5
2 changed files with 52 additions and 15 deletions
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2
include/sysemu/sysemu.h
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@ -29,6 +29,8 @@ typedef void VMChangeStateHandler(void *opaque, int running, RunState state);
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
void *opaque);
VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
VMChangeStateHandler *cb, void *opaque, int priority);
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
void vm_state_notify(int running, RunState state);