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[Qemu-commits] [COMMIT 55ddfe8] Rework reset handler management
From: |
Anthony Liguori |
Subject: |
[Qemu-commits] [COMMIT 55ddfe8] Rework reset handler management |
Date: |
Thu, 16 Jul 2009 13:31:28 -0000 |
From: Jan Kiszka <address@hidden>
Convert the reset handler maintenance code to TAILQ services.
Signed-off-by: Jan Kiszka <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
diff --git a/vl.c b/vl.c
index a771450..841146a 100644
--- a/vl.c
+++ b/vl.c
@@ -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);
}
}
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