Commit dda9b29f authored by Jan Kiszka's avatar Jan Kiszka Committed by Anthony Liguori
Browse files

Add qemu_unregister_reset 



Will be used by '-boot once=...', and should also help in other use
cases.

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 55ddfe8e

hw/hw.h

+1 −0
Original line number Diff line number Diff line
@@ -261,6 +261,7 @@ void unregister_savevm(const char *idstr, void *opaque); 
typedef void QEMUResetHandler(void *opaque);



void qemu_register_reset(QEMUResetHandler *func, void *opaque);

void qemu_unregister_reset(QEMUResetHandler *func, void *opaque);



/* handler to set the boot_device order for a specific type of QEMUMachine */

/* return 0 if success */

vl.c

+15 −2
Original line number Diff line number Diff line
@@ -3509,12 +3509,25 @@ void qemu_register_reset(QEMUResetHandler *func, void *opaque) 
    TAILQ_INSERT_TAIL(&reset_handlers, re, entry);

}



void qemu_system_reset(void)

void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)

{

    QEMUResetEntry *re;



    /* reset all devices */

    TAILQ_FOREACH(re, &reset_handlers, entry) {

        if (re->func == func && re->opaque == opaque) {

            TAILQ_REMOVE(&reset_handlers, re, entry);

            qemu_free(re);

            return;

        }

    }

}



void qemu_system_reset(void)

{

    QEMUResetEntry *re, *nre;



    /* reset all devices */

    TAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {

        re->func(re->opaque);

    }

}