Commit 55ddfe8e authored by Jan Kiszka's avatar Jan Kiszka Committed by Anthony Liguori
Browse files

Rework reset handler management 



Convert the reset handler maintenance code to TAILQ services.

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 76e30d0f

vl.c

+6 −10
Original line number Diff line number Diff line
@@ -3442,12 +3442,13 @@ void vm_start(void) 
/* reset/shutdown handler */



typedef struct QEMUResetEntry {

    TAILQ_ENTRY(QEMUResetEntry) entry;

    QEMUResetHandler *func;

    void *opaque;

    struct QEMUResetEntry *next;

} QEMUResetEntry;



static QEMUResetEntry *first_reset_entry;

static TAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =

    TAILQ_HEAD_INITIALIZER(reset_handlers);

static int reset_requested;

static int shutdown_requested;

static int powerdown_requested;
@@ -3501,16 +3502,11 @@ static void do_vm_stop(int reason) 


void qemu_register_reset(QEMUResetHandler *func, void *opaque)

{

    QEMUResetEntry **pre, *re;

    QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));



    pre = &first_reset_entry;

    while (*pre != NULL)

        pre = &(*pre)->next;

    re = qemu_mallocz(sizeof(QEMUResetEntry));

    re->func = func;

    re->opaque = opaque;

    re->next = NULL;

    *pre = re;

    TAILQ_INSERT_TAIL(&reset_handlers, re, entry);

}



void qemu_system_reset(void)
@@ -3518,7 +3514,7 @@ void qemu_system_reset(void) 
    QEMUResetEntry *re;



    /* reset all devices */

    for(re = first_reset_entry; re != NULL; re = re->next) {

    TAILQ_FOREACH(re, &reset_handlers, entry) {

        re->func(re->opaque);

    }

}