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[Qemu-devel] [PATCH 3/7] Rework reset handler management
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH 3/7] Rework reset handler management |
Date: |
Thu, 02 Jul 2009 00:19:02 +0200 |
User-agent: |
StGIT/0.14.3 |
Convert the reset handler maintenance code to TAILQ services.
Signed-off-by: Jan Kiszka <address@hidden>
---
vl.c | 16 ++++++----------
1 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/vl.c b/vl.c
index 9f1c9db..9d0e298 100644
--- a/vl.c
+++ b/vl.c
@@ -3655,12 +3655,13 @@ 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;
@@ -3714,16 +3715,11 @@ 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)
@@ -3731,7 +3727,7 @@ 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);
}
}
- [Qemu-devel] [PATCH 0/7] Rework -boot option, Jan Kiszka, 2009/07/01
- [Qemu-devel] [PATCH 5/7] Add boot-once support, Jan Kiszka, 2009/07/01
- [Qemu-devel] [PATCH 6/7] Add boot menu control via command line switch, Jan Kiszka, 2009/07/01
- [Qemu-devel] [PATCH 3/7] Rework reset handler management,
Jan Kiszka <=
- [Qemu-devel] [PATCH 7/7] Update boot option documentation, Jan Kiszka, 2009/07/01
- [Qemu-devel] [PATCH 4/7] Add qemu_unregister_reset, Jan Kiszka, 2009/07/01
- [Qemu-devel] [PATCH 1/7] Rework -boot option, Jan Kiszka, 2009/07/10
- [Qemu-devel] [PATCH 2/7] Move boot_set callback backend, Jan Kiszka, 2009/07/10