Rework reset handler management
Convert the reset handler maintenance code to TAILQ services. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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parent
76e30d0f13
commit
55ddfe8ef5
16
vl.c
16
vl.c
@ -3442,12 +3442,13 @@ void vm_start(void)
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/* reset/shutdown handler */
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typedef struct QEMUResetEntry {
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TAILQ_ENTRY(QEMUResetEntry) entry;
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QEMUResetHandler *func;
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void *opaque;
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struct QEMUResetEntry *next;
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} QEMUResetEntry;
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static QEMUResetEntry *first_reset_entry;
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static TAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
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TAILQ_HEAD_INITIALIZER(reset_handlers);
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static int reset_requested;
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static int shutdown_requested;
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static int powerdown_requested;
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@ -3501,16 +3502,11 @@ static void do_vm_stop(int reason)
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void qemu_register_reset(QEMUResetHandler *func, void *opaque)
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{
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QEMUResetEntry **pre, *re;
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QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
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pre = &first_reset_entry;
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while (*pre != NULL)
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pre = &(*pre)->next;
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re = qemu_mallocz(sizeof(QEMUResetEntry));
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re->func = func;
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re->opaque = opaque;
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re->next = NULL;
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*pre = re;
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TAILQ_INSERT_TAIL(&reset_handlers, re, entry);
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}
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void qemu_system_reset(void)
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@ -3518,7 +3514,7 @@ void qemu_system_reset(void)
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QEMUResetEntry *re;
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/* reset all devices */
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for(re = first_reset_entry; re != NULL; re = re->next) {
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TAILQ_FOREACH(re, &reset_handlers, entry) {
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re->func(re->opaque);
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}
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}
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